Patents by Inventor Xingchi Wu
Xingchi Wu 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).
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Patent number: 11527789Abstract: The present disclosure discloses a temperature adjustment method and a temperature adjustment system for a vehicle. The temperature adjustment method includes the following steps: obtaining a required power used for performing temperature adjustment on a battery; obtaining an actual power used for performing temperature adjustment on the battery; and adjusting an opening degree of an intra-vehicle cooling branch and an opening degree of a battery cooling branch according to the required power, the actual power, an intra-vehicle temperature, and an air conditioner set temperature.Type: GrantFiled: September 29, 2018Date of Patent: December 13, 2022Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Jigang Tan, Hongjun Wang
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Patent number: 11440373Abstract: A temperature regulating system of an in-vehicle battery is disclosed in the present disclosure. The system includes: a heat exchanger; an in-vehicle air conditioner, where the in-vehicle air conditioner is provided with an air conditioner vent, a first air duct is formed between the air conditioner vent and the heat exchanger, a semiconductor heat exchange module, where a second air duct is formed between a cooling end of the semiconductor heat exchange module and the first fan, and a third air duct is formed between the cooling end of the semiconductor heat exchange module and a compartment; a battery thermal management module, where the battery thermal management module is connected to the heat exchanger to form a heat exchange flow path; and a controller, connected to the semiconductor heat exchange module, the battery thermal management module, and the in-vehicle air conditioner.Type: GrantFiled: September 29, 2018Date of Patent: September 13, 2022Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Jigang Tan, Hongjun Wang
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Patent number: 11271261Abstract: The present disclosure discloses a temperature adjustment method including: obtaining a required power for temperature adjustment on a battery; obtaining an actual power for temperature adjustment on the battery; and adjusting a temperature of the battery according to the required power for temperature adjustment and the actual power for temperature adjustment. The present disclosure may precisely control a temperature adjustment time of the battery, and the actual power for temperature adjustment on the battery is adjustable in real time, so that a heating power and a cooling power of the vehicle-mounted battery may be precisely controlled according to an actual status of the vehicle-mounted battery, thereby adjusting the temperature of the vehicle-mounted battery when the temperature is excessively high or excessively low, maintaining the temperature of the vehicle-mounted battery within a preset range, and avoiding a case of affecting performance of the vehicle-mounted battery because of the temperature.Type: GrantFiled: September 29, 2018Date of Patent: March 8, 2022Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Jigang Tan, Hongjun Wang
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Publication number: 20200313255Abstract: The present disclosure discloses a temperature adjustment method and a temperature adjustment system for a vehicle-mounted battery. The temperature adjustment method includes the following steps: obtaining a required power for temperature adjustment on a battery; obtaining an actual power for temperature adjustment on the battery; and adjusting a temperature of the battery according to the required power for temperature adjustment and the actual power for temperature adjustment.Type: ApplicationFiled: September 29, 2018Publication date: October 1, 2020Inventors: Xingchi WU, Jigang TAN, Hongjun WANG
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Publication number: 20200259229Abstract: The present disclosure discloses a temperature adjustment method and a temperature adjustment system for a vehicle. The temperature adjustment method includes the following steps: obtaining a required power used for performing temperature adjustment on a battery; obtaining an actual power used for performing temperature adjustment on the battery; and adjusting an opening degree of an intra-vehicle cooling branch and an opening degree of a battery cooling branch according to the required power, the actual power, an intra-vehicle temperature, and an air conditioner set temperature.Type: ApplicationFiled: September 29, 2018Publication date: August 13, 2020Inventors: Xingchi WU, Jigang TAN, Hongjun WANG
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Publication number: 20200238788Abstract: A temperature regulating system of an in-vehicle battery is disclosed in the present disclosure. The system includes: a heat exchanger; an in-vehicle air conditioner, where the in-vehicle air conditioner is provided with an air conditioner vent, a first air duct is formed between the air conditioner vent and the heat exchanger, a semiconductor heat exchange module, where a second air duct is formed between a cooling end of the semiconductor heat exchange module and the first fan, and a third air duct is formed between the cooling end of the semiconductor heat exchange module and a compartment; a battery thermal management module, where the battery thermal management module is connected to the heat exchanger to form a heat exchange flow path; and a controller, connected to the semiconductor heat exchange module, the battery thermal management module, and the in-vehicle air conditioner.Type: ApplicationFiled: September 29, 2018Publication date: July 30, 2020Inventors: Xingchi WU, Jigang TAN, Hongjun WANG
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Patent number: 10232733Abstract: A power system of an electric vehicle, an electric vehicle including the same, and a method for heating a battery group of the electric vehicle are provided. The power system includes: a battery group; a battery heater connected with the battery group; a battery management device, configured to control the battery heater to heat the battery group when a temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a running electric quantity threshold, to obtain a current throttle depth change rate of an electric vehicle in real time, and to control the battery heater to stop heating the battery group when the current throttle depth change rate reaches a preset throttle depth change rate threshold; an electric distribution box; a motor; a motor controller; and an isolation inductor.Type: GrantFiled: May 22, 2013Date of Patent: March 19, 2019Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Patent number: 9963166Abstract: A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck DC-DC converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost DC-DC converter, configured to convert the second voltage into the first voltage. When the high voltage system has an abnormal power failure, the boost DC-DC converter converts the second voltage outputted from the low voltage storage battery into the first voltage for being supplied to the steering motor controller.Type: GrantFiled: November 13, 2015Date of Patent: May 8, 2018Assignee: BYD Company LimitedInventors: Jinze Xu, Xingchi Wu, Wengang Luo, Chao Zhang, Hongjun Wang, Zhenpai Luan
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Publication number: 20170106899Abstract: A steering power system for an electric vehicle and a method for controlling same are provided. The steering power system includes: a steering motor; a steering motor controller, configured to control the steering motor; a high voltage power battery, configured to output a first voltage; a low voltage storage battery, configured to output a second voltage; a buck DC-DC converter, configured to convert the first voltage into the second voltage for being supplied to the low voltage storage battery when a high voltage system works; and a boost DC-DC converter, configured to convert the second voltage into the first voltage. When the high voltage system has an abnormal power failure, the boost DC-DC converter converts the second voltage outputted from the low voltage storage battery into the first voltage for being supplied to the steering motor controller.Type: ApplicationFiled: November 13, 2015Publication date: April 20, 2017Applicant: BYD COMPANY LIMITEDInventors: Jinze Xu, Xingchi WU, Wengang Luo, Chao Zhang, Hongjun Wang, Zhenpai Luan
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Patent number: 9463711Abstract: A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group; a battery heater, in which the battery heater comprises a output power adjusting module configure to adjust a heating power of the battery heater by adjusting a charge current and/or a discharge current; a battery management device configured to control the output power adjusting module to adjust the heating power of the battery heater to heat the battery group according to a temperature of the battery group when the temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor.Type: GrantFiled: May 22, 2013Date of Patent: October 11, 2016Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Patent number: 9308828Abstract: A power system of an electric vehicle, an electric vehicle including the power system and a method for heating a battery group of the electric vehicle are provided. The power system of the electric vehicle includes: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater (102) to heat the battery group intermittently when a temperature of the battery group is lower than a first temperature threshold and a residual electric quantity of the battery group is larger than an electric quantity threshold; an electric distribution box; a motor; a motor controller connected with the motor and the electric distribution box respectively; and an isolation inductor.Type: GrantFiled: May 22, 2013Date of Patent: April 12, 2016Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Patent number: 9156371Abstract: A power system of an electric vehicle, an electric vehicle including the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater to heat the battery group in a running heating mode or in a parking heating mode according to a temperature and a residual electric quantity of the battery group when the temperature of the battery group is lower than a first heating threshold and the residual electric quantity of the battery group is larger than a parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor (L2).Type: GrantFiled: May 22, 2013Date of Patent: October 13, 2015Assignee: BYD COMPANY LIMITEDInventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Publication number: 20150142237Abstract: A power system of an electric vehicle, an electric vehicle including the power system and a method for heating a battery group of the electric vehicle are provided. The power system of the electric vehicle includes: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater (102) to heat the battery group intermittently when a temperature of the battery group is lower than a first temperature threshold and a residual electric quantity of the battery group is larger than an electric quantity threshold; an electric distribution box; a motor; a motor controller connected with the motor and the electric distribution box respectively; and an isolation inductor.Type: ApplicationFiled: May 22, 2013Publication date: May 21, 2015Inventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Publication number: 20150105956Abstract: A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group; a battery heater, in which the battery heater comprises a output power adjusting module configure to adjust a heating power of the battery heater by adjusting a charge current and/or a discharge current; a battery management device configured to control the output power adjusting module to adjust the heating power of the battery heater to heat the battery group according to a temperature of the battery group when the temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor.Type: ApplicationFiled: May 22, 2013Publication date: April 16, 2015Inventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Publication number: 20150104682Abstract: A power system of an electric vehicle, an electric vehicle including the same, and a method for heating a battery group of the electric vehicle are provided. The power system includes: a battery group; a battery heater connected with the battery group; a battery management device, configured to control the battery heater to heat the battery group when a temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a running electric quantity threshold, to obtain a current throttle depth change rate of an electric vehicle in real time, and to control the battery heater to stop heating the battery group when the current throttle depth change rate reaches a preset throttle depth change rate threshold; an electric distribution box; a motor; a motor controller; and an isolation inductor.Type: ApplicationFiled: May 22, 2013Publication date: April 16, 2015Inventors: Xingchi Wu, Hongjun Wang, Shibin Xie
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Publication number: 20150105955Abstract: A power system of an electric vehicle, an electric vehicle including the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater to heat the battery group in a running heating mode or in a parking heating mode according to a temperature and a residual electric quantity of the battery group when the temperature of the battery group is lower than a first heating threshold and the residual electric quantity of the battery group is larger than a parking electric quantity threshold; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor (L2).Type: ApplicationFiled: May 22, 2013Publication date: April 16, 2015Inventors: Xingchi Wu, Hongjun Wang, Shibin Xie