Patents by Inventor Ruigang Zhang
Ruigang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11287156Abstract: To solve the problem that a resonance phenomenon occurs between an outdoor unit and a compressor of existing air conditioners, embodiments include a compressor and a pipeline connected to the compressor. A control method includes obtaining a vibration displacement of the pipeline during the operation of the air conditioner and recording it as a first vibration displacement; obtaining the vibration displacement of the pipeline again after time has elapsed and recording it as a second vibration displacement; and selectively adjusting operating parameters of the compressor according to the first vibration displacement and the second vibration displacement. The vibration condition of the outdoor unit is determined through the real-time vibration condition and the vibration change condition of the pipeline so the air conditioner can selectively change the operating parameters of the compressor according to the vibration condition. Thus the vibration condition of the compressor is changed to avoid pipeline damage.Type: GrantFiled: August 12, 2019Date of Patent: March 29, 2022Assignees: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Baitian Zhuo, Bin Shi, Xiuge Li, Shaojiang Cheng, Ruigang Zhang, Jun Wang
-
Publication number: 20220029860Abstract: The present application relates to a method for communication detection. The method comprises: determining a length level of a communication link according to a time length of pulse data during transmission of data over the communication link, and determining a detection time point according to the length level of the communication link. The length level of the communication link is determined according to the time length of pulse data during transmission of data over the communication link, and then the detection time point of the data is confirmed, thereby realizing dynamic determination of the detection time point of data according to the time length of the pulse data, and data waveform attenuation caused by an excessively long distance is avoided by means of automatic adjustment of the detection time point, so that the correctness of data detection is ensured, and the stability of long-distance homebus communication is improved.Type: ApplicationFiled: May 15, 2020Publication date: January 27, 2022Inventors: Shaojiang CHENG, Defang GUO, Bin SHI, Baitian ZHUO, Jun WANG, Ruigang ZHANG
-
Publication number: 20220021564Abstract: The present disclosure relates to a method for controlling communication compensation, comprising: determining a length class of a communication link according to a time length of pulse data transmitted on the communication link; and determining a compensation scheme for communication compensation according to the length class of the communication link. In the invention, a length class of a communication link determined according to a time length of pulse data transmitted on the communication link is used to determine a compensation scheme for communication compensation so as to perform time compensation on data, thereby preventing attenuation caused by an excessively long communication distance, and improving the stability of long-distance communication performed by means of Homebus. Also disclosed are an apparatus for controlling communication compensation, and an air conditioner.Type: ApplicationFiled: May 15, 2020Publication date: January 20, 2022Inventors: Shaojiang CHENG, Defang GUO, Bin SHI, Baitian ZHUO, Ruigang ZHANG
-
Patent number: 11190483Abstract: An address competition method of a multi-connection type control system, intended to solve the problem of how to increase the efficiency of indoor air-conditioner unit address configuration where, according to the order in which a first slave control device initiates an address request, a relay device allocates, in sequence, temporary addresses to all first slave control devices, and according to the temporary addresses, initiates address requests in sequence to a master control device; according to the order in which a second slave control device initiates an address request, the master control device allocates, in sequence, official addresses to all second slave control devices; according to the temporary addresses, the relay device allocates the official addresses to the corresponding first slave control devices. The method can efficiently allocate an address to an indoor air-conditioner unit, and ensures that the address of each indoor air-conditioner unit is unique.Type: GrantFiled: March 13, 2019Date of Patent: November 30, 2021Assignees: Qingdao Haier Airconditioning Electronic Co., Ltd, Haier Smart Home CO., LTDInventors: Baitian Zhuo, Bin Shi, Shaojiang Cheng, Ruigang Zhang, Jun Wang
-
Patent number: 11181288Abstract: A comfort degree balance control system and method for multi-split air conditioner disclosed the present invention includes: obtaining a real-time ambient temperature and a target ambient temperature of each of rooms where an indoor unit provided is working; calculating a comfort degree deviation of each of the working indoor units; obtaining the maximum value offsetMAX and the minimum value offsetMIN among the comfort degree deviations of indoor units and calculating the difference ?=offsetMAX?offsetMIN between the two; calculating an average comfort degree deviation; adjusting the amount of refrigerant flowing into working indoor units according to the difference ? and the average comfort degree deviation, so as to reduce the difference ? and balance the performance of the multi-split system.Type: GrantFiled: July 19, 2018Date of Patent: November 23, 2021Assignee: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.Inventors: Baitian Zhuo, Bin Shi, Shaojiang Cheng, Ruigang Zhang, Jun Wang
-
Publication number: 20210295029Abstract: An embodiment of the present invention provides an information processing apparatus for detecting an attribute indicated in different tables in common and generating information about the attribute. An information processing apparatus as an embodiment of the present invention includes a detector and an information generator. The detector detects a common attribute indicated in a first table and a second table. The information generator generates information about the common attribute based on contents of the first table and the second table.Type: ApplicationFiled: September 8, 2020Publication date: September 23, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinichi NAGANO, Ruigang ZHANG, Mikito IWAMASA
-
Publication number: 20210268932Abstract: A system for determining a state of health (SOH) of an energy storage device comprises a controller configured to be coupled to the energy storage device. The controller is configured to determine a current value drawn by or supplied to the energy storage device over a predefined period of time. In response to the current value not satisfying a current threshold, the controller determines a current gain factor and determines an adjusted current value from the determined current value based on the current gain factor. The controller is configured to determine an estimated SOH of the energy storage device based on the adjusted current value, and indicate the estimated SOH on a user interface.Type: ApplicationFiled: May 17, 2021Publication date: September 2, 2021Inventors: Ruigang Zhang, Guodong Fan, Richard A. Booth
-
Publication number: 20210264100Abstract: An embodiment of the present invention provides an information processing apparatus capable of complementarily adding an attribute not included in a table in order to detect tables having a corresponding relationship. An information processing apparatus as an embodiment of the present invention includes a complementer. The complementer complementarily adds an attribute not included in a first table based on a content of at least one of the first table and an electronic document including the first table.Type: ApplicationFiled: September 7, 2020Publication date: August 26, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ruigang ZHANG, Shinichi NAGANO
-
Publication number: 20210239352Abstract: To control operating parameters of the compressor and ensure stable operation of the air conditioning system, a cooling medium control method for a multi-connected air conditioning system includes: acquiring current operating values of target parameters of the compressor during the operation of the compressor; calculating deviation degrees of the target parameters of the compressor according to the current operating values of the target parameters of the compressor and standard operating ranges of the target parameters of the compressor; and selectively adjusting an opening degree of the outdoor expansion valve or the indoor expansion valve based on the deviation degrees; where the standard operating ranges of the target parameters are operating ranges of the target parameters specified by a normal operating state of the compressor. Here the opening degree of the indoor expansion valve or the outdoor expansion valve is adjusted in real time according to parameters of the compressor.Type: ApplicationFiled: May 21, 2019Publication date: August 5, 2021Applicants: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Baitian ZHUO, Bin SHI, Shaojiang CHENG, Ruigang ZHANG, Jun WANG
-
Publication number: 20210215371Abstract: To solve the problem that a resonance phenomenon occurs between an outdoor unit and a compressor of existing air conditioners, embodiments include a compressor and a pipeline connected to the compressor. A control method includes obtaining a vibration displacement of the pipeline during the operation of the air conditioner and recording it as a first vibration displacement; obtaining the vibration displacement of the pipeline again after time has elapsed and recording it as a second vibration displacement; and selectively adjusting operating parameters of the compressor according to the first vibration displacement and the second vibration displacement. The vibration condition of the outdoor unit is determined through the real-time vibration condition and the vibration change condition of the pipeline so the air conditioner can selectively change the operating parameters of the compressor according to the vibration condition. Thus the vibration condition of the compressor is changed to avoid pipeline damage.Type: ApplicationFiled: August 12, 2019Publication date: July 15, 2021Applicants: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Baitian ZHUO, Bin SHI, Xiuge LI, Shaojiang CHENG, Ruigang ZHANG, Jun WANG
-
Publication number: 20210190867Abstract: A system is provided for performing a power estimation process for an electric vehicle using a controller. The controller estimates an inner state of an energy storage supply of the electric vehicle. The inner state represents a state-of-charge (SOC) and/or a state-of-health (SOH) of the energy storage supply. The controller also estimates an SOC value and/or an SOH value of the energy storage supply based on at least one of: a present current level, a present voltage level, a present temperature, and time-based information. The controller further estimates a bounded SOC value based on the SOC value, a first upper bound, a the first lower bound, and/or estimates a bounded SOH value based on the SOH value, a second upper bound, and a second lower bound. The controller then controls an electrification process of the electric vehicle based on the bounded SOC and/or SOH values.Type: ApplicationFiled: March 5, 2021Publication date: June 24, 2021Inventors: Guodong Fan, Ruigang Zhang, Jordan Loos, Aleksey Yezerets
-
Publication number: 20210167990Abstract: A relay device and a multi-split control system that achieve reliable communication between an outdoor air conditioning unit and multiple indoor units under the condition that the length of a communication bus is limited. The system expands the communication distance by a cascade path formed by a plurality of relay devices. The cascade path transmits control signals sent by a master control device/a specific slave control device (i.e. a slave control device communicating with the master control device or certain relay device) to corresponding slave control devices one by one, and the corresponding slave control devices transmit the signals to the master control device/specific slave control device according to a response signal fed back by the control signal, where the relay devices may respectively communicate with a source node device and a destination node device on the basis of the master-slave type communication mode.Type: ApplicationFiled: January 21, 2019Publication date: June 3, 2021Applicants: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Defang GUO, Benhai YUAN, Ruigang ZHANG, Bin SHI, Baitian ZHUO, Shaojiang CHENG, Jun WANG
-
Publication number: 20210126895Abstract: An address competition method of a multi-connected type control system. The method aims at solving the problem of how to set an indoor machine communication address in the multi-connected type air conditioner system efficiently. For the purpose, a primary control device (such as an air conditioner outdoor machine) performs broadcasting on each address in a preset address section in sequence. A slave control device (such as the air conditioner indoor machine) responds to the primary control device on the basis of preset responding time and the number of currently broadcasting times of the primary control device. The primary control device to which a communication address is distributed temporarily is responded so as to finish address competition rapidly. Meanwhile, the primary control device can perform continuous broadcasting on one address for repeatedly, so that the competition success rate of the address is increased.Type: ApplicationFiled: January 21, 2019Publication date: April 29, 2021Applicants: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Baitian ZHUO, Bin SHI, Shaojiang CHENG, Ruigang ZHANG, Jun WANG, Wenjun SHAO
-
Publication number: 20210099418Abstract: An address competition method of a multi-connection type control system, intended to solve the problem of how to increase the efficiency of indoor air-conditioner unit address configuration where, according to the order in which a first slave control device initiates an address request, a relay device allocates, in sequence, temporary addresses to all first slave control devices, and according to the temporary addresses, initiates address requests in sequence to a master control device; according to the order in which a second slave control device initiates an address request, the master control device allocates, in sequence, official addresses to all second slave control devices; according to the temporary addresses, the relay device allocates the official addresses to the corresponding first slave control devices. The method can efficiently allocate an address to an indoor air-conditioner unit, and ensures that the address of each indoor air-conditioner unit is unique.Type: ApplicationFiled: March 13, 2019Publication date: April 1, 2021Applicants: Qingdao Haier Air-conditioning Electronic Co., Ltd, Haier Smart Home Co., Ltd.Inventors: Baitian ZHUO, Bin SHI, Shaojiang CHENG, Ruigang ZHANG, Jun WANG
-
Publication number: 20210041148Abstract: An oil return control method for a multi-split air conditioner and a system accomplishing the same includes: calculating an average exhaust pressure within an oil return period Pd_AVG; determining whether the average exhaust pressure Pd_AVG?the set threshold Pdthreshold; if Pd_AVG?Pdthreshold, maintaining the multi-split air conditioner working in heating mode to ensure an acceptable oil return performance without affecting the air conditioning effect of indoor unit in heating mode; if Pd_AVG<Pdthreshold, switching the multi-split air conditioner to cooling mode, stopping a fan within those power-on indoor units and entering into a cooling oil return process and switching the multi-split air conditioner back to heating mode until the cooling oil return process ends.Type: ApplicationFiled: January 28, 2019Publication date: February 11, 2021Applicants: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD., HAIER SMART HOME CO., LTD.Inventors: DEFANG GUO, BAITIAN ZHUO, BIN SHI, SHAOJIANG CHENG, RUIGANG ZHANG, JUN WANG
-
Patent number: 10903487Abstract: An electrochemical cell includes a metal containing anode M? capturing and releasing cations, a metal containing cathode M? and an electrolyte including an anion X? and a cation M?+. During the charge process, the electrolyte allows reversible reactions wherein the anion dissociates from the electrolyte and reacts with the metal cathode forming M?Xy. At the same time, cations M?+ from the electrolyte deposit on the anode side. The reverse process happens during the discharge process.Type: GrantFiled: April 25, 2013Date of Patent: January 26, 2021Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Ruigang Zhang, Chen Ling, Fuminori Mizuno
-
Publication number: 20200274187Abstract: 3-D magnesium voltaic cells have a magnesium anode coated on multiple opposing surfaces with a continuous protective/electrolyte layer that is ionically conductive and electronically insulating. The resulting protected 3-D magnesium anode is coated on multiple opposing surfaces with a continuous cathode layer that is electronically and ionically conductive, and includes a magnesium storage medium. Suitable magnesium anodes, in particular, magnesium foam anodes, can be made by pulsed galvanostatic deposition of magnesium on a copper substrate. The protective layer can be formed by electropolymerization of a suitable methylacrylate ester. The continuous cathode layer can be a slurry cathode having powders of an electronic conductor and a reversible magnesium storage component suspended in a magnesium electrolyte solution.Type: ApplicationFiled: May 14, 2020Publication date: August 27, 2020Inventors: Fuminori Mizuno, Rana Mohtadi, Oscar Tutusaus, Nikhilendra Singh, Timothy S. Arthur, Ruidong Yang, Kensuke Takechi, Chen Ling, Ruigang Zhang
-
Publication number: 20200256573Abstract: A comfort degree balance control system and method for multi-split air conditioner disclosed the present invention includes: obtaining a real-time ambient temperature and a target ambient temperature of each of rooms where an indoor unit provided is working; calculating a comfort degree deviation of each of the working indoor units; obtaining the maximum value offsetMAX and the minimum value offsetMIN among the comfort degree deviations of indoor units and calculating the difference A=offsetMAX?offsetMIN between the two; calculating an average comfort degree deviation; adjusting the amount of refrigerant flowing into working indoor units according to the difference A and the average comfort degree deviation, so as to reduce the difference A and balance the performance of the multi-split system.Type: ApplicationFiled: July 19, 2018Publication date: August 13, 2020Inventors: BAITIAN ZHUO, BIN SHI, SHAOJIANG CHENG, RUIGANG ZHANG, JUN WANG
-
Publication number: 20200208890Abstract: A defrosting control method for a multi-split system is provided. A multi-split system comprises an outdoor unit and multiple indoor units. An expansion valve is provided on a connecting pipeline between each of the indoor units and the outdoor unit. When the expansion valve of each activated indoor unit is closed and the degree of opening of the expansion valve of each off-state indoor unit is less than or equal to a maximum set degree of opening, the system satisfies a defrosting requirement, and as a result the method controls the expansion valve of each activated indoor unit to remain closed, thereby resolving the issue of a dramatic temperature drop in a room having an activated indoor unit during defrosting and improving user satisfaction. The degree of opening of the expansion valve of a off-state indoor unit is Off_PLS, and is controlled such that Off_PLS=ALL_HP*Avg_PLS/Off_HP.Type: ApplicationFiled: June 21, 2018Publication date: July 2, 2020Inventors: BAITIAN ZHUO, BIN SHI, SHAOJIANG CHENG, RUIGANG ZHANG, WANYING ZHANG
-
Publication number: 20200191430Abstract: The present disclosure discloses a method and a device for controlling an expansion valve. The method includes: when a first specified number of indoor units are in a non-working state, turning off expansion valves corresponding to all the indoor units in the non-working state; and turning on expansion valves corresponding to a second specified number of indoor units in the non-working state in turn according to a predetermined cycle.Type: ApplicationFiled: February 3, 2020Publication date: June 18, 2020Inventors: Jun Wang, Shaojiang Cheng, Baitian Zhuo, Ruigang Zhang, Wenjun Shao, Wanying Zhang, Bin Shi