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1. 发明申请

US20230052138A1 ENVIRONMENT TEMPERATURE DETERMINATION METHOD, MOTOR CONTROL UNIT, CONTROL SYSTEM, AND STORAGE MEDIUM 有权
公开(公告)号：US20230052138A1
公开(公告)日：2023-02-16
申请号：US17758242
申请日：2021-04-08
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Zhe JIANG , Xinran DONG , Fuqiang XU , Yushan LI
IPC分类号： B60L1/08 , B60L58/10
摘要： A motor control unit, a control system, and a storage medium. The method of the present invention is applied to the motor control unit and comprises: when a vehicle is in a high-voltage power-on state, obtaining a plurality of effective temperature values for the same motor system; determining a corresponding initial temperature value according to each effective temperature value; determining the minimum value among all calculated initial temperature values as an initial environment temperature; when the vehicle is in a driving state and each initial temperature value is less than or equal to respective corresponding threshold, and the current temperature of a motor no longer rises, calculating differences between the current temperature of the motor and the corresponding initial temperature value and between the current temperature of a cooling liquid and the corresponding initial temperature value; calculating a temperature calibrate amount for the environment temperature according to the calculated differences.

2. 发明申请

US20230035893A1 METHOD AND DEVICE FOR CONTROLLING DCDC CONVERTER 有权
公开(公告)号：US20230035893A1
公开(公告)日：2023-02-02
申请号：US17789863
申请日：2021-01-08
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Zhaolue SUN , Zepeng LI , Chao QIAN , Haijun SONG
IPC分类号： H02M1/00 , H02J7/00 , B60L15/20
摘要： A method and device for controlling a DCDC converter, used for a hybrid electric vehicle and relating to the technical field of vehicle control. The method comprises: according to an output end current limit value and an actual voltage value, acquiring a first preset value corresponding to an input end power; according to the maximum discharge power of a high-voltage battery and the actual discharge power of an electric motor, acquiring a second preset value corresponding to the input end power; and determining the minimum value in the first preset value and the second preset value as an input end target power limit value. Multiple combination working conditions of sufficient or insufficient power sources at the input end are considered.

3. 发明申请

US20230006486A1 MOTOR COOLING STRUCTURE, DRIVE ASSEMBLY AND VEHICLE 有权
公开(公告)号：US20230006486A1
公开(公告)日：2023-01-05
申请号：US17765584
申请日：2020-12-22
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Pingyuan LUO , Liang XIONG , Yadong WANG
IPC分类号： H02K1/20 , H02K5/20
摘要： A motor cooling structure, a drive assembly and a vehicle. The motor cooling structure includes: branch flow-channels (100), shell flow-channels (200), end cover flow-channels (300), a liquid inlet (201) and a liquid outlet (202). A plurality of the branch flow-channels (100) are circumferentially arranged on a stator (1) of a motor around an axis of the motor. The shell flow-channels (200) includes a liquid inlet flow-channel (211), shell long flow-channels and a liquid outlet flow-channel (212). The liquid inlet flow-channel (211), the plurality of shell long flow-channels and the liquid outlet flow-channel (212) are circumferentially arranged on a reducer shell (2) around the axis of the motor. The end cover flow-channels (300) includes end-cover long flow-channels, and a plurality of the end-cover long flow-channels are circumferentially arranged on a motor end cover (3) around the axis of the motor. The shell flow-channels (200), the plurality of branch flow-channels (100) and the end cover flow-channels (300) form a continuous total flow-channel. The liquid inlet (201) is disposed on the reducer shell (2), and is in communication with the liquid inlet flow-channel (211). The liquid outlet (202) is disposed on the reducer shell (2), and is in communication with the liquid outlet flow-channel (212). The motor cooling structure realizes immersion cooling of the motor and improves the cooling efficiency of the motor.

4. 发明申请

US20220397087A1 METHOD AND DEVICE FOR START-STOP CONTROLLING OF VEHICLE, VEHICLE AND ELECTRONIC APPARATUS 有权
公开(公告)号：US20220397087A1
公开(公告)日：2022-12-15
申请号：US17765582
申请日：2020-11-04
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Yunfei Li , Qilin CHEN
IPC分类号： F02N11/08
摘要： The present application disclosed a a method and a device for controlling start-stop of a vehicle, a vehicle and an electronic apparatus. The method includes steps of: acquiring a first start-stop instruction, and determining a first start-stop type of the vehicle according to the first start-stop instruction; acquiring a second start-stop instruction, and determining a second start-stop type of the vehicle according to the second start-stop instruction; and performing start-stop controlling on an engine according to priorities of the first start-stop type and the second start-stop type. Therefore, the method can actively control the start-stop of the engine according to the priority of the start-stop type, which can well respond to the driving intention of the driver, the driving experience is improved, the start-stop time of the engine is saved, and the fuel consumption of the vehicle is greatly reduced, and the driving safety of the vehicle and the personal safety of the driver and passengers are guaranteed.

5. 发明申请

US20220340126A1 INTELLIGENT PARKING METHOD AND APPARATUS 有权
公开(公告)号：US20220340126A1
公开(公告)日：2022-10-27
申请号：US17765164
申请日：2020-11-27
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Tong GAO , Teng GUO , Xingyu QI , Peng HAO
IPC分类号： B60W30/06 , B60W40/105 , B60W50/14 , G06V20/58
摘要： Provided are an intelligent parking method and apparatus, relating to the technical field of vehicles. The method comprises: determining a target parking route from at least one pre-stored parking route; determining a target position point in the target parking route closest to a vehicle; sending a prompt message for driving the vehicle to the target position point to a driver of the vehicle when a current position point of the vehicle and the target position point satisfy a proximity matching condition; and when the vehicle drives to the target position point, controlling the vehicle to park according to the target parking route from the target position point. Thus, the driver merely needs to drive the vehicle to a vicinity of the target parking route, and the vehicle may perform intelligent parking and may complete intelligent parking at a longer distance.

6. 发明申请

US20220340009A1 VEHICLE CONTROL DEVICE, VEHICLE CONTROL SYSTEM AND VEHICLE 有权
公开(公告)号：US20220340009A1
公开(公告)日：2022-10-27
申请号：US17640614
申请日：2020-09-09
申请人： Great Wall Motor Company Limited
发明人： Tengfei Guo , Zelin Gao , Wei Meng , Pengfei Xing , Chao Zhao
IPC分类号： B60L3/00 , B60R21/0136
摘要： A vehicle control device, a vehicle control system and a vehicle are provided in the embodiments of the present disclosure, the vehicle control device includes a first resistor circuit, a comparator, a control switch, and a second resistor circuit; the comparator is configured to receive a first voltage from the air bag module and output a high level signal to the control switch to enable the control switch to be switched on according to the high level signal, enable a battery management system to be grounded after the control switch is switched on, and enable the battery management system to be powered off after the battery management system is grounded, where the first voltage is sent out by the air bag module when a vehicle collision event is detected.

7. 发明授权

US11448105B2 Valve mechanism, engine and vehicle 有权
公开(公告)号：US11448105B2
公开(公告)日：2022-09-20
申请号：US16620603
申请日：2018-06-07
申请人： GREAT WALL MOTOR COMPANY LIMITED
发明人： Tao Liu , Ji Yin , Luping Liu , Liming Xu , Jiajia Hu , Fabao Yang , Song Zhang , Yanlong Fang , Lei Wang
IPC分类号： F01L31/12 , F01L1/22 , F01L1/46
摘要： A valve mechanism includes a valve, a camshaft, an intermediate swing arm located between a cam and the valve, a lift regulating mechanism and a roller assembly. The cam drives the valve to move by means of the intermediate swing arm. The roller assembly is supported by the cam, an eccentric wheel of the lift regulating mechanism and an intermediate swing arm roller. A peripheral surface of the eccentric wheel includes a lift regulating section having a start point and an end point, a maximum lift point of the lift regulating section is located between the start point and the end point, and the lift regulating section is divided into a first section which is convex and a second section having at least a part thereof concave.

8. 发明授权

US11256929B2 Image-based road cone recognition method and apparatus, storage medium, and vehicle 有权
公开(公告)号：US11256929B2
公开(公告)日：2022-02-22
申请号：US16966360
申请日：2019-01-30
申请人： Great Wall Motor Company Limited
发明人： Shunji Miyahara
IPC分类号： G06K9/00 , G06T7/155 , G06K9/46
摘要： An image-based road cone recognition method, apparatus, storage medium, and vehicle. Said method comprises: acquiring, during vehicle driving, an image of an object to be recognized; performing differential processing of the image, so as to acquire an image on which the differential processing has been performed, and performing, according to a preset threshold, ternary processing of the image on which the differential processing has been performed, so as to acquire a ternary image comprising forward boundary pixels and negative boundary pixels; acquiring, according to the forward boundary pixels and the negative boundary pixels, a forward straight line segment and a negative straight line segment which represent the trend of the boundaries of the object to be recognized; when position information of the forward and negative straight line segments matches boundary position information of a known road cone, determining that the object to be recognized is a road cone.

9. 发明申请

US20210405175A1 METHOD AND DEVICE FOR TRACKING MOVABLE TARGET 有权
公开(公告)号：US20210405175A1
公开(公告)日：2021-12-30
申请号：US16763164
申请日：2018-11-09
申请人： Great Wall Motor Company Limited
发明人： Shunji Miyahara
IPC分类号： G01S13/52 , G01S13/06 , G01S7/41
摘要： A method and device for tracking a movable target, relating to the technical field of tracking. In the situation where a tracked movable target travels at a low speed or stops traveling, whether the target is a stationary object or a tracked movable target can still be identified. The method for tracking a movable target comprises: acquiring radar monitoring data of all radar monitoring targets; extracting lateral position data of each radar monitoring target from the radar monitoring data; determining a lateral position change of each radar monitoring target according to the extracted lateral position data; and when the lateral position change of one or more radar monitoring targets from among all the radar monitoring targets is greater than a pre-set threshold value, determining that the one or more radar monitoring targets are tracked movable targets.

10. 发明授权

US11195305B2 Method and device for identifying stereoscopic object, and vehicle and storage medium 有权
公开(公告)号：US11195305B2
公开(公告)日：2021-12-07
申请号：US16762404
申请日：2018-11-07
申请人： Great Wall Motor Company Limited
发明人： Shunji Miyahara
IPC分类号： G06T7/00 , G06T7/579 , G06K9/00
摘要： A method and device for identifying a stereoscopic object, and a vehicle and a storage medium are described. They are used for solving the problem that a monocular camera cannot determine whether an object to be identified is a stereoscopic object. The method is applied to a vehicle, and the method comprises: during driving, photographing an object to be identified by means of a monocular camera on the vehicle, so as to obtain a plurality of images (S11); determining, according to the plurality of images, an imaging change rule of the object to be identified that is projected onto an imaging plane of the monocular camera, wherein the imaging changes along with a change in the distance between the object to be identified and the vehicle (S12); and if the imaging change rule matches a quadratic curve, determining that the object to be identified is a stereoscopic object (S13).

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