With Thermal Condition Detection Patents (Class 320/150)
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Patent number: 11258272Abstract: A battery pack charger includes a first circuit region, a second circuit region, an input voltage measuring circuit, a temperature measurement device, and a controller. The controller is configured to measure an input voltage to the charger using the input voltage measuring circuit, measure a temperature of the second circuit region using the temperature measurement device, and estimate a temperature of the first circuit region based on the input voltage to the charger and the measured temperature of the second circuit region. The controller is further configured to select one of a plurality of correlations between the temperature of the second circuit region and the temperature of the first circuit region based on the input voltage to the charger to estimate the temperature of the first circuit region. After the temperature of the first circuit region has been estimated, one or more control operations associated with the charger can be performed.Type: GrantFiled: December 17, 2019Date of Patent: February 22, 2022Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Donald J. Truettner, Allen Lukowitz, Vasil Zhmendak
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Patent number: 11251473Abstract: A secondary battery system includes an assembled battery that includes a plurality of blocks that are connected in series to one another. Each of the plurality of the blocks includes same number of cells that are connected in parallel to one another. A control device is configured to calculate an internal resistance ratio and a protection current. The internal resistance ratio is a value obtained by dividing the higher one of internal resistances by the lower one of the internal resistances of two of the plurality of the blocks. The protection current is a value obtained by multiplying the internal resistance ratio by a current value of the assembled battery detected by a current sensor. The control device is configured to perform the charge-discharge control based on the protection current.Type: GrantFiled: November 30, 2018Date of Patent: February 15, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Kiyohito Machida, Hiroki Tashiro, Yoshihiro Uchida, Nobuyuki Tanaka, Masaki Uchiyama
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Patent number: 11226671Abstract: An apparatus includes a power management integrated circuit (PMIC) and a power translator component coupled to the PMIC. The power translator component supplies power to the PMIC. The power translator component can further receive, from the PMIC, an indication that the PMIC has experienced a thermal event and responsive to receipt of the indication that the PMIC has experienced the thermal event, prevent powering of the PMIC.Type: GrantFiled: February 27, 2019Date of Patent: January 18, 2022Assignee: Micron Technology, Inc.Inventor: Matthew D. Rowley
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Patent number: 11223215Abstract: A charging apparatus includes a plurality of batteries, a changeover relay that can be changed over between a first state where the plurality of the batteries are connected in series to one another and a second state where the plurality of the batteries are connected in parallel to one another, an electric storage device, a main relay that is provided between the electric storage device and an electric load of a vehicle, and a control device that controls the opening/closing of the changeover relay. The control device renders the changeover relay in the first state when the main relay is in an open state.Type: GrantFiled: December 13, 2018Date of Patent: January 11, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihiko Hiroe, Tomoya Ono, Hidetoshi Kusumi
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Patent number: 11211868Abstract: Provided is a DC power supply device If an electrical tool (81) of a rated voltage of 36 V is connected to the DC power supply device (1) (if the voltage of a lower positive terminal indicates the presence of a short bar), a microcomputer (30) performs control so as to switch a switching element (Q1) on and output a DC voltage of 36 V between an upper positive terminal and the upper negative terminal. If an electrical tool (81) of a rated voltage of 18 V is connected to the DC power supply device (1) (if the voltage of the lower positive terminal indicates the absence of a short bar), the microcomputer (30) performs control so as to switch a switching element (Q2) on and output a DC voltage of 18 V between the upper positive terminal and the upper negative terminal.Type: GrantFiled: October 31, 2018Date of Patent: December 28, 2021Assignee: Koki Holdings Co., Ltd.Inventors: Takuya Yoshinari, Yuji Kishima
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Patent number: 11161420Abstract: A vehicle power supply apparatus includes first and second power supply devices, an electrical conduction path, an accumulator, an electric device, and a power supply controller. In switching to a state with electric power supplied from the second power supply device to the electric device, the power supply controller determines whether a discharge state of the accumulator is normal, with a target voltage of the second power supply device lower than an inferior voltage, and with a target voltage of the first power supply device between the inferior voltage and a superior voltage. After determining that the discharge state of the accumulator is normal, the power supply controller allows the target voltage of the first power supply device to be lower than the inferior voltage, and allows the target voltage of the second power supply device to be higher than the superior voltage.Type: GrantFiled: April 1, 2020Date of Patent: November 2, 2021Assignee: SUBARU CORPORATIONInventors: Fumiyuki Moriya, Hirofumi Yabe, Yusuke Komatsu
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Patent number: 11161423Abstract: A method for charging an electric vehicle may include (a) a step of determining, by a vehicle-side controller, whether to exchange cooling fluid between the vehicle and electric vehicle service equipment (EVSE), when a charge port of the vehicle and a connector of the electric vehicle service equipment are connected together, (b) a step of providing, by the vehicle-side controller, a signal for requesting the exchange of the cooling fluid to a charger-side controller when determining to exchange the cooling fluid, and (c) a step of controlling, by the vehicle-side controller, a cooling line of the vehicle through which cooling fluid of the vehicle circulates, to cause the cooling fluid of the vehicle to flow into a cooling line of the electric vehicle service equipment through the charge port.Type: GrantFiled: March 4, 2019Date of Patent: November 2, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Kyu Beom Ko
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Patent number: 11152805Abstract: A system, an electrical combination and a method for powering a load device. The combination may include a burst circuit configured to provide power to the load device to perform a burst operation, the burst circuit including a supercapacitor, a first switch between a power source and the supercapacitor and operable to control whether power is provided from the power source to charge the supercapacitor, and a second switch between the supercapacitor and the load device and operable to control whether power is provided from the supercapacitor to the load device, and an electronic processor configured to control the first switch and the second switch based at least in part on a voltage of the supercapacitor.Type: GrantFiled: January 27, 2020Date of Patent: October 19, 2021Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Kevin Minnickel, Brian Carrillo, Ryan B. Jipp, Samuel Sheeks, Cameron R. Schulz, Aditya Subramanian, Martin Guerrero, Izael Zapata, Jorge Michael Chavez
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Patent number: 11133543Abstract: A thermal management device and a battery pack are provided. The thermal management device applied in a battery pack. The battery pack includes a case and a plurality of cells received in the case. The thermal management device includes: a thermal management loop attached to each cell and at least partially covering a part of a vent of each cell; a heat exchange member communicating with the thermal management loop; and a power component connected between the thermal management loop and the heat exchange member. A heat exchange medium with a fire-extinguishing function is provided within the thermal management loop. The thermal management loop is broken in a condition where at least one cell is subjected to thermal runaway such that the heat exchange medium flows into an explosion-proof port of the at least one cell.Type: GrantFiled: November 20, 2019Date of Patent: September 28, 2021Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Xingyuan Wu, Xingxing Li, Minjie Zheng, Haiqi Yang
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Patent number: 11117477Abstract: A device for charging an energy storage device includes a controller to initiate a charging operation for the energy storage device and control, during a first stage of the charging operation, a thermal control system to direct a first volume of the thermal mass along a first flow path to heat the energy storage device to a first desired temperature. The controller controls, during a second stage of the charging operation, the thermal control system to direct a second volume of the thermal mass along a second flow path to cool the energy storage device from the first desired temperature towards a second desired temperature.Type: GrantFiled: March 29, 2018Date of Patent: September 14, 2021Assignee: NIO USA, Inc.Inventors: Alexander J. Smith, Rick Rajaie
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Patent number: 11084398Abstract: A method controlling a battery management system is provided. The method may include commanding by a controller a heat exchanger of a vehicle to pre-cool a traction battery of the vehicle key-off responsive to the vehicle being within a predetermined range of a predicted parking location, a current temperature of the traction battery being less than a temperature threshold, and a predicted parked temperature for the traction battery being greater than the temperature threshold.Type: GrantFiled: January 15, 2018Date of Patent: August 10, 2021Assignee: Ford Global Technologies, LLCInventors: James Matthew Marcicki, Devang Bhalchandra Dave, Xiao Guang Yang, Pratima Addepalli
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Patent number: 11081895Abstract: A charging apparatus includes a plurality of batteries, a changeover relay that can be changed over between a first state where the plurality of the batteries are connected in series to one another and a second state where the plurality of the batteries are connected in parallel to one another, an electric storage device, a main relay that is provided between the electric storage device and an electric load of a vehicle, and a control device that controls the opening/closing of the changeover relay. The control device renders the changeover relay in the first state when the main relay is in an open state.Type: GrantFiled: December 13, 2018Date of Patent: August 3, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yoshihiko Hiroe, Tomoya Ono, Hidetoshi Kusumi
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Patent number: 11081742Abstract: The invention relates to a method for thermal conditioning of a battery pack (4), wherein said battery pack (1) comprises a plurality of battery cells (4a, 4b, 4c, . . . ) and forms part of an electric storage system (15), said method comprising a step of executing a ready-to-run function for optimizing the performance of said battery pack (4) during use. Furthermore, the method comprises the steps of: calculating a setpoint temperature (Ts) for the battery pack (4) to reach in order to provide a sufficient level of performance without further thermal conditioning during a predetermined time period (t); and thermally conditioning said battery pack (4) so as to reach said setpoint temperature (Ts). The invention also relates to an arrangement for such a thermal conditioning.Type: GrantFiled: May 31, 2016Date of Patent: August 3, 2021Assignee: VOLVO TRUCK CORPORATIONInventor: Niklas Legnedahl
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Patent number: 11070074Abstract: Disclosed is an electronic device including a battery; a temperature sensor; a charging circuit configured to charge the battery; a coil antenna; and at least one processor configured to measure a temperature corresponding to at least a part of the electronic device by using the temperature sensor; charge the battery depending on a first charging characteristic by using the charging circuit and supply a current to the coil antenna to allow the coil antenna to emit heat, when the temperature satisfies a first specified condition; and charge the battery depending on a second charging characteristic by using the charging circuit, when the temperature satisfies a second specified condition, after the current is supplied.Type: GrantFiled: March 9, 2018Date of Patent: July 20, 2021Inventors: Yong Seung Yi, Du Hyun Kim, Hyun Seok Kim, Ho Yeong Lim, Dong II Son
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Patent number: 11062078Abstract: Provided are an insulation coordination method and system for a series compensation apparatus, a storage medium and an electronic device.Type: GrantFiled: July 25, 2019Date of Patent: July 13, 2021Assignees: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE CO., LTD., STATE GRID CORPORATION OF CHINAInventors: Jing Ge, Zhengang Lu, Guoliang Zhao, Linhai Cai, Haijun Liu
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Patent number: 11056732Abstract: A battery management apparatus includes a master BMS and a plurality of slave BMSs connected to the master BMS by means of communication. The master BMS includes a master controller configured to generate operation order information of the plurality of slave BMSs based on state-of-charge information of each of a plurality of battery modules respectively connected to the plurality of slave BMSs.Type: GrantFiled: July 27, 2018Date of Patent: July 6, 2021Assignee: LG CHEM, LTD.Inventors: Ji-Eun Kim, Sang-Hoon Lee, Yean-Sik Choi
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Patent number: 11034251Abstract: Embodiments of a method for monitoring a charging process at a charging station are provided herein. In the method, the end of a charging process with an electric vehicle at the charging station is determined. In order to determine whether a vehicle is permanently connected to a charging station, without charging, it is proposed to carry out a charging readiness test with the electric vehicle at the charging station after the end of the charging process with this electric vehicle has been determined and to produce a signal at the charging station when charging readiness has been determined.Type: GrantFiled: November 2, 2017Date of Patent: June 15, 2021Assignee: innogy SEInventor: Stephan Hell
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Patent number: 11035904Abstract: In a method for detecting an internal short of a battery, the method includes: measuring a voltage of a battery a plurality of times; and determining whether or not the internal short of the battery occurs based on a difference between a first voltage value of the battery during a first time period and a second voltage value of the battery during a second time period when the battery is in constant current charging, wherein the second time period is a time period after the first time period.Type: GrantFiled: July 19, 2019Date of Patent: June 15, 2021Assignee: Samsung SDI Co., Ltd.Inventors: Young Shin Cho, Yoonphil Eo
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Patent number: 11037435Abstract: A communication device includes a main controller configured to control an RF communication of the communication device, and an antenna coupled to the main controller and driven by the main controller with modulated carrier signal. The communication device includes a detector coupled to the main controller and configured to detect a presence of an external communication device and to initiate a wake-up of the main controller in response to the detection. The communication device further includes one or more temperature sensors coupled to the detector and configured to detect temperature information of external or nearby circuits of the communication device. The detector is configured not to initiate the wake-up of the main controller if a difference between a first temperature measurement and a second temperature measurement is above a first temperature threshold or below a second temperature threshold.Type: GrantFiled: November 18, 2019Date of Patent: June 15, 2021Assignee: NXP B.V.Inventors: Markus Wobak, Stefan Tretnjak
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Patent number: 11031788Abstract: An electronic device is disclosed, and includes a battery supplying power to the electronic device, a charging circuit charging the battery, and a processor. The processor is configured to obtain context information associated with charging of the battery, if the context information satisfies a first specified condition, to set a timer associated with a charging time of the charging circuit to a first time, if the context information satisfies a second specified condition, to set the timer to a second time different from the first time, and to charge the battery by using the charging circuit during the first time corresponding to the first specified condition or the second time corresponding to the second specified condition.Type: GrantFiled: December 20, 2017Date of Patent: June 8, 2021Inventors: Chul Woo Park, Sang Hyun Ryu, Ku Chul Jung, Se Young Jang, Chi Hyun Cho
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Patent number: 11016138Abstract: A diagnostic system for a power conversion apparatus including a semiconductor device and performing a switching operation for carrying and interrupting a main current to a main current is disclosed. This system includes a trigger circuit that acquires reference time for the switching operation; and a delay time calculation circuit that acquires first time at which the main current takes a first main current set value and second time at which the main current takes a second main current set value, and that detects numerical data about a difference between the first time and the reference time and numerical data about a difference between the second time and the reference time.Type: GrantFiled: May 9, 2016Date of Patent: May 25, 2021Assignee: Hitachi, Ltd.Inventors: Yoshinobu Kimura, Junichi Sakano, Kimihisa Furukawa, Takashi Ogawa, Renichi Yamada
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Patent number: 11010989Abstract: An electronic device performs an emergency call operation using a secondary battery as a power source, and includes a temperature sensor which detects a temperature of the secondary battery, an intermittent emergency call processing unit which performs the emergency call operation intermittently when the temperature detected by the temperature sensor is in a low-temperature state lower than a predetermined value, and a continuous emergency call processing unit which performs the emergency call operation continuously when the temperature detected by the temperature sensor is higher than the predetermined value.Type: GrantFiled: September 12, 2019Date of Patent: May 18, 2021Assignee: ALPINE ELECTRONICS, INC.Inventor: Koichi Narita
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Patent number: 10983779Abstract: A system upgrade assessment method based on system parameter correlation coefficients is provided. The problem that the existing system upgrade assessment method cannot accurately assess an upgraded system is solved. For such a purpose, the system upgrade assessment method comprises the following steps: acquiring first data for a plurality of parameters before system upgrade (S110); acquiring second data for the plurality of parameters after the system upgrade (S120); calculating first correlation coefficients of the first data and second correlation coefficients of the second data (S130); calculating third correlation coefficients between the first data and the corresponding second data (S140); and determining, based on the magnitudes of the first correlation coefficients, the second correlation coefficients and the third correlation coefficients, whether the system upgrade succeeds (S150).Type: GrantFiled: July 31, 2017Date of Patent: April 20, 2021Assignee: NIO CO., LTD.Inventors: Haitao Du, Yicheng Wu, Chongkui Jin
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Patent number: 10985590Abstract: A battery charging method includes: charging a battery with a charging current; and changing the charging current in response to a current change event occurring during the charging of the battery, wherein the current change event occurs when the battery reaches a threshold voltage at which an anode potential of the battery reaches a reference value.Type: GrantFiled: October 12, 2017Date of Patent: April 20, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Ju Wan Lim, Jin Duk Oh, Myunghoon Kim
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Patent number: 10985589Abstract: A method for operating a traction battery in a motor vehicle, wherein the traction battery is charged in a charging operating state with a fast-charging device. A quantity of energy to be recharged at the fast-charging device is specified. An anticipated heating of the traction battery is determined depending on a charging capacity, which, taking into consideration a predeterminable maximum charging time, is determined from the quantity of energy that is to be recharged. A starting temperature (Tstart) for the battery charging is determined in such a way that, after the charging operation has been carried out at the fast-charging device, a battery operating temperature (Tbatt) of the traction battery does not exceed an upper limit (Thi) for the battery operating temperature. The battery operating temperature (Tbatt) is recorded during a driving operating state of the motor vehicle.Type: GrantFiled: May 15, 2018Date of Patent: April 20, 2021Assignee: AUDI AGInventor: Wei Zhou
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Patent number: 10967750Abstract: A system and method for charging a plug-in hybrid vehicle can improve the on-board charging efficiency of the plug-in hybrid vehicle by adjusting a frequency of operation of a cooler when cooling an on-board charger (OBC) by circulating coolant when the temperature of the OBC rises while a high-voltage battery is being charged. The operations of a water pump and a radiator fan are controlled by determining whether the voltage of the high-voltage battery is within or out of a reference voltage range in which the on-board charging of the high-voltage battery is performed. This consequently prevents power from being unnecessarily consumed by operation of the cooler, such that the efficiency of charging is improved and the OBC is properly cooled.Type: GrantFiled: May 21, 2019Date of Patent: April 6, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jang Hyo Lee, Kyu Jin Lee, Sang Hoon Yoo, Chun Hyuk Lee
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Patent number: 10965144Abstract: An apparatus and a method for controlling wireless charging are provided. A wireless charging mode is performed. In response to the performance of the wireless charging mode, an input sensing condition of the touch screen is changed from a first condition to a second condition different from the first condition.Type: GrantFiled: April 15, 2019Date of Patent: March 30, 2021Inventors: Hun-Cheol Oh, Soo-Hyung Kim
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Patent number: 10958093Abstract: The present disclosure relates to a power management system. The power management system comprises a first power supply device, a second power supply device, a power supply control device, a data processing device and a load. The power supply control device is connected to the first power supply device. The data processing device is connected to the first power supply device, the second power supply device and the power supply control device. The load is connected to the first power supply device and the second power supply device. The power supply control device is configured to, when activated, provide a first signal to the data processing device. The data processing device is configured to select the first power supply device or the second power supply device to provide power to the load according to the first signal.Type: GrantFiled: March 18, 2020Date of Patent: March 23, 2021Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Tau-Jing Yang, Kuo-Feng Huang, Chih Lung Hung
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Patent number: 10947945Abstract: Methods and systems are disclosed for remotely and/or automatically controlling electronic components. The electronic components may be elements/systems of a vehicle (e.g., heating elements). In an aspect, a controller may receive a temperature value from a sensor. The controller may activate a heater based on the temperature value of the sensor. In an aspect, the heater is coupled to one or more parts of an engine.Type: GrantFiled: October 22, 2018Date of Patent: March 16, 2021Inventor: Lee J. Santoro
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Patent number: 10945331Abstract: Embodiments of the disclosure relate to the technical field of display, and in particular, to a mobile display device, comprising: a housing; a battery and a circuit board both provided within the housing, the battery being interposed between the circuit board and the housing, or alternatively, the battery and the circuit board being arranged side by side; a chip provided on the circuit board; a heat dissipation unit which is also provided on the circuit board and is configured to dissipate heat from the chip; and a first thermally-conductive connector which connects the heat dissipation unit with the housing.Type: GrantFiled: May 10, 2017Date of Patent: March 9, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongda Ma, Yong Qiao, Jianbo Xian
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Patent number: 10933933Abstract: An autonomous vehicle guidance system enables a partially assembled battery-electric vehicle (BEV) to be guided through an assembly process with the temporary addition of a sensor skid. The partially assembled BEV includes a vehicle body, a vehicle controller coupled to the vehicle body, a battery electrically coupled to the vehicle controller, a sensor skid configured to be coupled under the vehicle body of the BEV. The sensor skid is configured to guide the BEV through an assembly process. The sensor skid includes a skid body configured to be coupled under the vehicle body of the BEV and a plurality of sensors coupled to the skid body. The sensor skid includes a skid controller in communication with the sensors and the vehicle controller. The skid controller is coupled to the sensor skid.Type: GrantFiled: November 2, 2018Date of Patent: March 2, 2021Assignee: GM Global Technology Operations LLCInventors: James W. Wells, Neil D. McKay, Seog-Chan Oh
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Patent number: 10930905Abstract: The invention relates to a battery module having a plurality of battery cells, in particular lithium-ion battery cells, having a plurality of partitions (4), wherein a battery cell (2) is arranged between two partitions (4), and a spring element (6) is furthermore arranged between two partitions (4) adjacent to a battery cell (2), in particular a tension and/or compression spring element, which is arranged in a manner contacting and/or connected to the two partitions (4) such that a value of a deformation constant (12) of the spring element (6) determines a force transmitted by the two partitions (4) to the battery cell (2).Type: GrantFiled: January 4, 2017Date of Patent: February 23, 2021Assignee: Robert Bosch GmbHInventors: Christian Wagner, Daniel Bernd Greiner, Matthias Riedmann, Peter Kohn, Robert Hafenbrak
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Patent number: 10923934Abstract: A first temperature detector detects a temperature in a high-temperature area and a temperature in a low-temperature area of a power storage unit based on an output value of a first temperature detection element provided at a first position in the high-temperature area and an output value of a temperature detection element provided at a predetermined position in the low-temperature area. A main controller controls charge and discharge based on the temperatures by the first temperature detector. A second temperature detector detects a temperature in the high-temperature area based on an output value of a second temperature detection element provided at a second position in the high-temperature area. A sub-controller controls charge and discharge based on the temperature detected by the second temperature detector during occurrence of an abnormality in the main controller.Type: GrantFiled: May 9, 2017Date of Patent: February 16, 2021Assignee: SANYO Electric Co., Ltd.Inventor: Masayuki Yoshinaga
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Patent number: 10897147Abstract: A power charging module includes a controller, a charging port, and a temperature sensor. The charging port delivers power to an external device plugged into the charging port. The temperature sensor provides a sensed temperature to the controller. A standard maximum power output is delivered to the charging port if the sensed temperature is categorized in a nominal thermal condition range, a modified maximum power output is delivered to the charging port if the sensed temperature is categorized in an intermediate thermal condition range, and power output to the charging port is discontinued if the sensed temperature is categorized in a critical thermal condition range.Type: GrantFiled: November 15, 2016Date of Patent: January 19, 2021Assignee: Molex, LLCInventors: Joseph D. Stenger, Gregory Bella, Jeffrey Ciarlette
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Patent number: 10882413Abstract: A charging system for electrical accumulator vehicle batteries, comprising a charging station principally designed to generate a charging current for the batteries, a system for thermally conditioning the batteries, by the circulation of a heat transfer fluid. A vehicle-mounted segment comprises a component for measuring the battery temperatures, a system for measuring the state of charge of the batteries, and a heat transfer fluid distribution circuit. A non-vehicle-mounted segment comprises a ground module of the thermal conditioning system for generating a flux of a heat transfer fluid, a control-command module designed to determine, during charging, as a function of the states of charge of the batteries and the battery temperatures, the flow rates and temperatures of the heat transfer fluid and a charging current required to achieve a target final state, characterized by a target temperature and a target charge at the end of a given charging time.Type: GrantFiled: June 13, 2018Date of Patent: January 5, 2021Assignee: AIRBUS SASInventors: Benoit Ferran, Emmanuel Joubert, Clément Dinel
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Patent number: 10879715Abstract: The invention provides a method for improving temperature management of a battery pack. The battery pack may comprise a battery cell charged via at least one supply trace of a PCB (printed circuit board), a protection circuit module mounted on the PCB and coupled to the at least one supply trace, and a plurality of temperature sensors respectively reflecting a temperature of the battery cell and a temperature of the PCB. The method may comprise: measuring a cell temperature and a PCB temperature by the temperature sensors; when charging the battery cell by a charging current and a charging voltage, controlling the charging voltage and the charging current according to the cell temperature, and adjusting the charging current further according to the PCB temperature, so as to constrain the temperature of the PCB.Type: GrantFiled: December 22, 2017Date of Patent: December 29, 2020Assignee: MEDIATEK INC.Inventors: Chih-Yuan Hsu, Chi-Ming Lee, Shih-Ming Chen
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Patent number: 10862084Abstract: The invention relates to a battery module having a plurality of battery cells, in particular lithium ion battery cells, comprising a plurality of separating walls (3), wherein a battery cell (2) is arranged between two separating walls (3) and a first compensating element (7) is arranged between a first battery cell (2) and a separating wall (3) adjacent to the first battery cell (2) and a second compensating element (7) is arranged between a second battery cell (2) and a separating wall (3) adjacent to the second battery cell (2), characterized in that the first compensating element (7) and the second compensating element (7) have a different value (9) of a deformation constant.Type: GrantFiled: January 4, 2017Date of Patent: December 8, 2020Assignee: Robert Bosch GmbHInventors: Christian Wagner, Daniel Bernd Greiner, Matthias Riedmann, Peter Kohn, Robert Hafenbrak
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Patent number: 10809049Abstract: Disclosed are methods and systems for measuring and managing swelling of rechargeable batteries in situ. Some implementations involve using capacity fade or state of health of rechargeable batteries to estimate swelling of the rechargeable batteries. Some implementations provide methods and systems for measuring battery swelling based on inductive or capacitive coupling between sensors and the battery. Some implementations provide means to manage or reduce swelling of rechargeable batteries by applying adaptive charging with consideration of battery swelling.Type: GrantFiled: January 24, 2018Date of Patent: October 20, 2020Assignee: Qnovo Inc.Inventors: Dania Ghantous, Allison Pinoli, Lawrence S. Pan, David J. Coakley, Bryan McLaughlin
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Patent number: 10811910Abstract: An apparatus and a method for are provided for a wireless power receiver.Type: GrantFiled: April 11, 2019Date of Patent: October 20, 2020Assignee: Samsung Electronics Co., LtdInventors: Woo-Ram Lee, Yu-Su Kim, Se-Ho Park, Seung-Woo Han
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Patent number: 10800284Abstract: A vehicle includes a traction battery and a controller in communication with the battery and programmed to control battery charging in response to a user-selected one of a plurality of charging strategies having different charging rates based on detection of lithium plating in the battery. The charging strategies may include options for faster charging with an urgent or emergency charging strategy selectable a limited number of times to mitigate battery performance degradation associated with lithium plating. A method implemented by a vehicle controller in a vehicle having a traction battery, may include controlling, by the controller, battery charging in response to a user-selected charging strategy selected from one of a plurality of available charging strategies each having a different charging rate and displayed on a user interface in response to detection of lithium plating in the traction battery, at least one charging strategy associated with additional lithium plating if selected.Type: GrantFiled: January 20, 2016Date of Patent: October 13, 2020Assignee: Ford Global Technologies, LLCInventors: Chuan He, Feng Li, Ruiqi Mao
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Patent number: 10797364Abstract: A power supply system includes: a first battery; a second battery; a heater; a power circuit in which the first battery and the second battery and the heater are provided; a first external charging unit supplying electric power external to a vehicle to the power circuit; and an electronic control unit controlling the power circuit and the first external charging unit. During execution of heater heating control that heats the first battery with the heater by driving the heater with the electric power supplied from the first external charging unit, the electronic control unit executes discharging heating control that heats the first battery by discharging electric power from the first battery to the second battery, and charges the first battery with the electric power supplied from the first external charging unit after a temperature of the first battery becomes equal to or higher than a heating determination temperature.Type: GrantFiled: March 29, 2019Date of Patent: October 6, 2020Assignee: Honda Motor Co., Ltd.Inventor: Hirokazu Oguma
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Patent number: 10778018Abstract: Embodiments of the present invention provide a charging protection method, including: measuring a charging voltage, a charging current, and a temperature rise of a charging interface of a charged device; detecting whether the charging voltage falls beyond a preset voltage range, detecting whether the charging current is less than a preset current threshold, and detecting whether the temperature rise is greater than a preset temperature rise threshold; and if a detection result of any one or more of the three items is yes, disconnecting a charging circuit of a charger. Correspondingly, the embodiments of the present invention further provide a charging protection apparatus, which can disconnect a charging circuit in a timely manner when a charging exception occurs, thereby avoiding damage to a charging interface.Type: GrantFiled: February 1, 2019Date of Patent: September 15, 2020Assignee: Huawei Technologies Co., Ltd.Inventor: Chong Wen
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Patent number: 10734829Abstract: There is provided an electronic apparatus including: a heating section; a heat storage section; a detection section configured to detect a heat storage amount of the heat storage section; and a control section configured to control operation of the heating section, based on the heat storage amount detected by the detection section.Type: GrantFiled: August 26, 2019Date of Patent: August 4, 2020Assignee: Sony CorporationInventors: Masakazu Yajima, Kiminobu Ichimura, Yuichi Ishida, Yutaka Sugiyama, Yoshio Muraoka
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Patent number: 10727550Abstract: An end of train (EOT) system includes monitoring equipment with a sensor to monitor a pressure of air in a brake mechanism in a railcar, and a power supply having battery cells and a temperature control system for the battery cells. The temperature control system includes a heat sink in heat transference contact with the battery cells, and an electronically controlled heater for the battery cells. The temperature control system includes a temperature sensor, and a control device coupled with the temperature sensor and the electronically controlled heater to vary an output of the heater based on an output of the temperature sensor.Type: GrantFiled: November 13, 2017Date of Patent: July 28, 2020Assignee: Progress Rail Services CorporationInventor: George Toth
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Patent number: 10727551Abstract: A liquid temperature controlling system is used to circulate a temperature controlled liquid between the liquid temperature controlling system and a battery to produce a temperature controlled battery. The battery and the liquid temperature controlling system are detachably coupled at least while the temperature controlled liquid is circulated. The temperature controlled liquid is removed from the temperature controlled battery. The battery and the liquid temperature controlling system are decoupled after the temperature controlled liquid is removed. A charger is used to charge the temperature controlled battery.Type: GrantFiled: October 29, 2019Date of Patent: July 28, 2020Assignee: WISK AERO LLCInventors: Thomas P. Muniz, John Melack
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Patent number: 10714943Abstract: Embodiments of the present invention provide a power management method, an electronic device and a power adapter, capable of improving the charge safety. The method is executed in an electronic device charged by a power adapter via a charge cable. The method includes: determining a temperature of a charging interface, in which the charging interface includes at least one of an interface of the power adapter for electric connection with the charging cable, an interface of the charging cable for electric connection with the power adapter, an interface of the charging cable for electric connection with the electronic device, and an interface of the electronic device for electric connection with the charging cable; and managing power of the electronic device according to the temperature of the charging interface.Type: GrantFiled: March 27, 2015Date of Patent: July 14, 2020Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: Jialiang Zhang
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Patent number: 10712396Abstract: Disclosed herein are methods, systems, and devices for determining a state-of-health (SOH) of battery systems over extended temperatures. According to one embodiment, a computer implemented method includes (1) receiving measured temperature data and measured ohmic value data associated with a battery cell; (2) determining an estimated battery cell electrolyte temperature based on the measured temperature data; (3) determining a normalized ohmic value based on the measured ohmic value data and the estimated battery cell electrolyte temperature, wherein the normalized ohmic value is related to a normalized temperature; and (4) transmitting, to at least one of a graphical user interface (GUI) and a battery log, an indication of an SOH of the battery cell based upon the normalized ohmic value being greater than a normalized maximum ohmic value, wherein the normalized maximum ohmic value is indicative of an abnormal SOH of the battery cell for the normalized temperature.Type: GrantFiled: May 14, 2019Date of Patent: July 14, 2020Assignee: NDSL, Inc.Inventors: David Robert Battle, Sumner Michael Smith, Dat Tan Chau, Mark Allen Wille
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Patent number: 10700391Abstract: A device for monitoring a battery system and a method having the steps of determining information about a comparison profile for an incremental capacity of a battery cell of the battery system, determining information about a deviation of the comparison profile from a reference profile, and determining a temperature of the battery cell as a function of the information about the deviation.Type: GrantFiled: February 6, 2018Date of Patent: June 30, 2020Assignee: Dr. Ing. h.c.F. Porsche AktiengesellschaftInventors: Dominik Schwichtenhövel, Florian Kaumanns, Steffen Frei
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Patent number: 10670469Abstract: Various embodiments of the present invention relate to an apparatus and a method for controlling battery charging in an electronic device. The electronic device comprises a plurality of temperature sensors disposed at different positions, a battery, a memory, at least one processor, and a charging module for controlling charging of the battery, wherein the charging module may be configured to identify a charging type of the battery, to select at least one temperature sensor among the plurality of the temperature sensors based on the charging type of the battery, and to control a charging current of the battery based on a temperature measured through the at least one temperature sensor. Other embodiments may be possible.Type: GrantFiled: February 17, 2017Date of Patent: June 2, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sanghyun Ryu, Ku-Chul Jung, Kangjun Ko, Hyundeok Seo, Minjeong Lee
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Patent number: 10673262Abstract: An electric device according to the present invention includes: a first power source which supplies electric power to a predetermined load unit; a second power source which supplies electric power from an outside power source to the load unit; a switching unit which switches the first power source and the second power source which supply electric power to the predetermined load unit; a time measuring unit which measures the time; a voltage measuring unit which measures terminal voltage of the first power source; a storage unit which stores the terminal voltage of the first power source measured by the measuring unit and the time when the terminal voltage of the first power source is measured based on the time measuring unit; a time change rate calculating unit which calculates a time change rate of the terminal voltage of the first power source stored in the storage unit; and an informing unit which performs informing operation with respect to a residual capacity of the first power source in accordance with tType: GrantFiled: September 9, 2016Date of Patent: June 2, 2020Assignee: Fanuc CorporationInventors: Yoshito Miyazaki, Yasumichi Sakoda