Patents by Inventor Xianyin Li
Xianyin Li 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).
-
Publication number: 20220209823Abstract: A method includes a gateway node that obtains a data transmission parameter between a first-level node and each node in a first node set, where the first-level node is located on a first-level power distribution device in a power distribution grid, and the first node set includes a node located on a power distribution device at another level in the power distribution grid other than the first-level power distribution device; determines a second-level node directly coupled to the first-level node from the first node set based on the data transmission parameter between the first-level node and each node in the first node set; and generates a physical network topology of the power distribution grid.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Inventors: Xiquan Zhang, Xianyin Li, Jiahong Wei, Yu Li
-
Patent number: 9263778Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises a heating circuit coupled with an in-vehicle battery and configured to heat the in-vehicle battery. The vehicle running control system further comprises a load capacitor and a first current storage element. The first current storage element may be coupled with the load capacitor and the heating circuit respectively configured to reduce interference between the heating circuit and the load capacitor.Type: GrantFiled: July 18, 2014Date of Patent: February 16, 2016Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITEDInventors: Yaochuan Han, Wei Feng, Qinyao Yang, Xianyin Li
-
Patent number: 9160041Abstract: According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit 11, a second switch unit 12, a third switch unit 13, a fourth switch unit 14, a switching control module 100, a damping component R1, a current storage component L1, and a charge storage component C1; the damping component R1 and the current storage component L1 are configured to connect with the battery in series to form a branch; the first switch unit 11 and the second switch unit 12 are connected in series with each other and then connected in parallel with the branch; the third switch unit 13 and the fourth switch unit 14 are connected in series with each other and then connected in parallel with the branch.Type: GrantFiled: June 1, 2012Date of Patent: October 13, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Patent number: 9126499Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).Type: GrantFiled: January 18, 2013Date of Patent: September 8, 2015Assignees: Shenzhen BYD Auto R&D Company Limited, BYD Company LimitedInventors: Yaochuan Han, Wei Feng, Qinyao Yang, Xianyin Li
-
Patent number: 9120394Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units 1, a switching control module 100, a damping component R1, an energy storage circuit, and a polarity inversion unit 101, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 are connected with the plurality of switch units 1 in series in one-to-one correspondence to form a plurality of branches; the plurality of branches is connected in parallel with each other and then connected with the current storage component L1 and damping component R1 in series; the switching control module 100 is connected with the switch units 1, and is configured to control ON/OFF of the switch units 1.Type: GrantFiled: May 7, 2012Date of Patent: September 1, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Patent number: 9093414Abstract: Under one aspect, a heating circuit for a battery includes a plurality of switch units, a switching control module, a damping component, an energy storage circuit, and a polarity inversion unit. The energy storage circuit is connected with the battery, and includes a current storage component and a plurality of charge storage components that respectively are connected with the plurality of switch units in series to form a plurality of branches that are connected in parallel with each other and in series with the current storage and damping components. The switching control module controls switching on and off of the switch units, so that energy flows back-and-forth between the battery and the energy storage circuit when the switch units switch on. The polarity inversion unit is connected with the energy storage circuit inverts a voltage polarity of the plurality of charge storage components after the switch units switch off.Type: GrantFiled: July 18, 2011Date of Patent: July 28, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Patent number: 9082740Abstract: Under one aspect, a battery heating circuit includes damping and current storage components connected with the battery to form a first part of a first loop. First and second switch units are connected with the first part of the first loop. Third and fourth switch units are connected with the first part of the first loop to form a second loop. A charge storage component is connected across the first and second loops. The first and third switch units and charge storage component form branches transferring energy between the battery and charge storage component, and the fourth and second switch units and charge storage component form branches transferring energy between the battery and charge storage component. The switching control module switches on and off the first through fourth switch units to control energy flow between the battery and charge storage component.Type: GrantFiled: July 19, 2011Date of Patent: July 14, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Patent number: 8994332Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component R1, an energy storage circuit, and an energy superposition unit; the energy storage circuit is configured to connect with the battery to form a loop, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and is configured to control ON/OFF of the switch unit 1, so as to control the energy flowing between the battery and the energy storage circuit.Type: GrantFiled: January 23, 2013Date of Patent: March 31, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Patent number: 8975872Abstract: A circuit for heating a battery includes a switch unit, control module, damping component, energy storage circuit, and superposition unit. The energy storage circuit forms a loop with the battery, and includes current and charge storage components. The damping component, switch unit, current storage component, and charge storage component connect in series. The control module switches on the switch unit so current flows between the battery and energy storage circuit and switches off the switch unit to stop current flow. The superposition unit superposes energy in the energy storage circuit with energy in the battery after the switch unit switches on and off. The control module switches the switch unit off after the first positive half cycle of current flow through the switch unit after the switch unit switches on. Voltage applied to the switch unit when the switch unit switches off is lower than the switch unit's voltage rating.Type: GrantFiled: July 20, 2011Date of Patent: March 10, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Patent number: 8970172Abstract: Circuit and method for heating a battery. The circuit includes the battery with damping component, a switch unit, a switching control module, an energy storage circuit, a freewheeling circuit, and an energy superposition unit. The energy storage circuit connects with the battery to form a loop, and includes current and charge storage components. The damping component, switch unit, current storage component, and charge storage component connect in series. The switching control module turns on the switch unit such that current flows between the battery and energy storage circuit. The energy superposition unit superposes the energy in the energy storage circuit with the energy in the battery after the switch unit switches on and then off. The freewheeling circuit forms a serial loop with the battery and the current storage component to sustain current flow in the battery after the switch unit switches on and then off.Type: GrantFiled: July 21, 2011Date of Patent: March 3, 2015Assignee: BYD Company LimitedInventors: Yaochuan Han, Wenhui Xu, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Patent number: 8947049Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit 1, a switching control module 100, a damping component R1, an energy storage circuit, a freewheeling circuit 20, and an energy superposition unit; the energy storage circuit is configured to connect with the battery to form a loop, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit 1, the current storage component L1, and the charge storage component C1 are connected in series; the switching control module 100 is connected with the switch unit 1, and is configured to control ON/OFF of the switch unit 1, so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit.Type: GrantFiled: January 24, 2013Date of Patent: February 3, 2015Assignee: BYD Company LimitedInventors: Yaochuan Han, Wenhui Xu, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Patent number: 8937458Abstract: A circuit for heating a battery includes a switch unit, control module, damping component, energy storage circuit, and superposition unit. The energy storage circuit forms a loop with the battery, and includes current and charge storage components. The damping component, switch unit, current storage component, and charge storage component connect in series. The control module switches on the switch unit so current flows between the battery and energy storage circuit and switches off the switch unit to stop current flow. The superposition unit superposes energy in the energy storage circuit with energy in the battery after the switch unit switches on and off. The control module switches the switch unit off after the first positive half cycle of current flow through the switch unit after the switch unit switches on. Voltage applied to the switch unit when the switch unit switches off is lower than the switch unit's voltage rating.Type: GrantFiled: July 20, 2011Date of Patent: January 20, 2015Assignee: BYD Company LimitedInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Publication number: 20150001927Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).Type: ApplicationFiled: January 18, 2013Publication date: January 1, 2015Applicant: BYD Company LimitedInventors: Yaochuan Han, Wei Feng, Qinyao Yang, Xianyin Li
-
Publication number: 20140329113Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises a heating circuit coupled with an in-vehicle battery and configured to heat the in-vehicle battery. The vehicle running control system further comprises a load capacitor and a first current storage element. The first current storage element may be coupled with the load capacitor and the heating circuit respectively configured to reduce interference between the heating circuit and the load capacitor.Type: ApplicationFiled: July 18, 2014Publication date: November 6, 2014Inventors: Yaochuan Han, Wei FENG, Qinyao Yang, Xianyin Li
-
Publication number: 20120279951Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units 1, a switching control module 100, a damping component R1, an energy storage circuit, and a polarity inversion unit 101, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 are connected with the plurality of switch units 1 in series in one-to-one correspondence to form a plurality of branches; the plurality of branches is connected in parallel with each other and then connected with the current storage component L1 and damping component R1 in series; the switching control module 100 is connected with the switch units 1, and is configured to control ON/OFF of the switch units 1.Type: ApplicationFiled: May 7, 2012Publication date: November 8, 2012Applicant: BYD COMPANY LIMITEDInventors: Wenhui XU, Yaochuan HAN, Wei FENG, Qinyao YANG, Wenjin XIA, Shibin MA, Xianyin LI
-
Publication number: 20120280659Abstract: According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit 11, a second switch unit 12, a third switch unit 13, a fourth switch unit 14, a switching control module 100, a damping component R1, a current storage component L1, and a charge storage component C1; the damping component R1 and the current storage component L1 are configured to connect with the battery in series to form a branch; the first switch unit 11 and the second switch unit 12 are connected in series with each other and then connected in parallel with the branch; the third switch unit 13 and the fourth switch unit 14 are connected in series with each other and then connected in parallel with the branch.Type: ApplicationFiled: June 1, 2012Publication date: November 8, 2012Applicant: BYD COMPANCY LIMITEDInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Publication number: 20120032642Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping component R1, an energy storage circuit, and an energy superposition unit, the energy storage circuit is configured to connect with the battery to form a loop, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit (1), the current storage component L1, and the charge storage component C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is configured to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit, and is configured to superpose the energy in the energy storage circuit with the energy in the battery when the switch unit (1) switches on and then switches off; the switching control modulType: ApplicationFiled: July 20, 2011Publication date: February 9, 2012Applicant: BYD COMPANY LIMITEDInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Publication number: 20120031890Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping component R1, an energy storage circuit, a freewheeling circuit (20), and an energy superposition unit, the energy storage circuit is configured to connect with the battery to form a loop, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit (1), the current storage component L1, and the charge storage component C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is configured to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit, and is configured to superpose the energy in the energy storage circuit with the energy in the battery when the switch unit (1) switches on and then switches offType: ApplicationFiled: July 21, 2011Publication date: February 9, 2012Applicant: BYD COMPANY LIMITEDInventors: Yaochuan Han, Wenhui Xu, Wei Feng, Qinyao Yang, Wenjin Xia, Xianyin Li
-
Publication number: 20120025781Abstract: Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units (1), a switching control module (100), a damping component R1, an energy storage circuit, and a polarity inversion unit (101), wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 are connected with the plurality of switch units (1) in series in one-to-one correspondence to form a plurality of branches; the plurality of branches are connected in parallel with each other and then connected with the current storage component L1 and damping component R1 in series; the switching control module (100) is connected with the switch units (1), and is configured to control ON/OFF of the switch units (1), so that the energy flows back-and-forth between the battery and the energy storage circuit when the switch units (1) switch on; the polarity inversioType: ApplicationFiled: July 18, 2011Publication date: February 2, 2012Applicant: BYD COMPANY LIMITEDInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li
-
Publication number: 20120025782Abstract: According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit (11), a second switch unit (12), a third switch unit (13), a fourth switch unit (14), a switching control module (100), a damping component R1, a current storage component L1, and a charge storage component C1; the damping component R1 and current storage component L1 are configured to connect with the battery in series to form a branch; the first switch unit (11) and second switch unit (12) are connected in series with each other and then connected in parallel with the branch; the third switch unit (13) and fourth switch unit (14) are connected in series with each other and then connected in parallel with the branch; the charge storage component C1 is connected in series between the junction point of the first switch unit (11) and second switch unit (11) and the junction point of the third switch unit (13) and fourth switch unit (14), so that the first switch unit (11), charge storage component C1, and thiType: ApplicationFiled: July 19, 2011Publication date: February 2, 2012Applicant: BYD COMPANY LIMITEDInventors: Wenhui Xu, Yaochuan Han, Wei Feng, Qinyao Yang, Wenjin Xia, Shibin Ma, Xianyin Li