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公开(公告)号：US20250027820A1
公开(公告)日：2025-01-23
申请号：US18714857
申请日：2022-11-23
Inventor： Chao WANG , Chunpeng LI
Abstract: A new energy vehicle, a vehicle-mounted charging device, a temperature measurement circuit, and a temperature measurement method. The circuit comprises: a first temperature sensor (TH1), which acquires a first analog quantity temperature signal of a positive electrode connection terminal; a second temperature sensor (TH2), which acquires a second analog quantity temperature signal of a negative electrode connection terminal; a third temperature sensor (TFH), which is provided in a housing of the vehicle-mounted charging device of the new energy vehicle and acquires an analog quantity ambient temperature signal of the vehicle-mounted charging device of the new energy vehicle; an analog-to-digital conversion module (10), which correspondingly converts the first analog quantity temperature signal, the second analog quantity temperature signal, and the analog quantity ambient temperature signal into a first digital quantity temperature signal, a second digital quantity temperature signal, and a digital quantity ambient temperature signal; and a micro-control unit (20), which corrects the first digital quantity temperature signal and the second digital quantity temperature signal according to the digital quantity ambient temperature signal. The accuracy of measuring the charging temperature of the vehicle-mounted charging device of the new energy vehicle can be improved.
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公开(公告)号：US20250023498A1
公开(公告)日：2025-01-16
申请号：US18714451
申请日：2022-11-23
Inventor： Chao WANG , Chunpeng LI
Abstract: The present disclosure provides a new energy electronic lock and a feedback control circuit thereof, and a control method and a new energy automobile, applied to a new energy automobile, comprising: a driving module for receiving a locking signal and generating a lock driving signal, and driving an electronic lock to be locked through the lock driving signal; a control unit which is connected to a feedback pin of the driving module and is configured to obtain first driving current during the locking process of the electronic lock and to determine a locking state of the electronic lock according to the first driving current. The disclosure achieves to inform the user of the new energy automobile of the locking of the charging plug, so as to avoid the virtual connection of the charging plug, and ensure the charging quality of the new energy automobile.
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公开(公告)号：US20240405574A1
公开(公告)日：2024-12-05
申请号：US18695625
申请日：2022-09-28
Inventor： Chao WANG , Chunpeng LI
Abstract: The present disclosure relates to the technical field of charging guidance signal acquisition for new energy vehicles, and provides a charging guidance signal acquisition circuit, a new energy vehicle-mounted charging socket and a charging pile. The charging guidance signal acquisition circuit includes: a signal amplification and filtering circuit configured to receive a charging guidance signal, and amplify and filter the received charging guidance signal; and a voltage divider circuit, an input end of which is connected to an output end of the signal amplification and filtering circuit, and configured to adjust the charging guidance signal processed by the signal amplification and filtering circuit to a target value, which is a voltage that meets electrical requirements of a charging guidance signal input pin of a vehicle-mounted charging controller; the voltage divider circuit includes at least two adjustable resistors connected in series, and resistances values of the adjustable resistors are adjustable according to the electrical requirements of the charging guidance signal input pin. The embodiments of the present disclosure can overcome or alleviate the problem that it is difficult to charge the new energy vehicle normally due to the lack of uniformity charging guidance signal standards.
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