A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Motor driving circuit of automobile electric door
The invention discloses a motor driving circuit of an automobile electric door, which comprises a main control chip, a pre-driving chip, a first H-bridge driving module, a second H-bridge driving module and a current acquisition module, and is characterized in that the pre-driving chip is respectively connected with the first H-bridge driving module, the second H-bridge driving module and the current acquisition module; the current acquisition module is connected to a common end of the first H-bridge driving module and the second H-bridge driving module, the first H-bridge driving module is used for driving a first motor, the second H-bridge driving module is used for driving a second motor, and the main control chip is connected with the pre-driving chip through an SPI interface. The configuration module is used for configuring a time sequence relation between a first PWM signal for driving a first motor and a second PWM signal for driving a second motor through an SPI interface, and the current acquisition module is used for acquiring motor current at an intermediate time point of the first PWM signal and an intermediate time point of the second PWM signal respectively. According to the scheme, the complexity and the cost of the multi-motor driving circuit can be reduced.
本发明公开了一种汽车电动车门的电机驱动电路，包括：主控芯片、预驱芯片、第一H桥驱动模块、第二H桥驱动模块、电流采集模块，预驱芯片分别连接第一H桥驱动模块、第二H桥驱动模块、电流采集模块，电流采集模块连接在第一H桥驱动模块、第二H桥驱动模块的公共端，第一H桥驱动模块用于驱动第一电机，第二H桥驱动模块用于驱动第二电机，主控芯片通过SPI接口连接预驱芯片，用于通过SPI接口配置驱动第一电机的第一PWM信号和驱动第二电机的第二PWM信号之间的时序关系，电流采集模块用于分别在第一PWM信号的中间时间点和第二PWM信号的中间时间点采集电机电流。本方案能够降低多电机驱动电路的复杂度和成本。
Motor driving circuit of automobile electric door
The invention discloses a motor driving circuit of an automobile electric door, which comprises a main control chip, a pre-driving chip, a first H-bridge driving module, a second H-bridge driving module and a current acquisition module, and is characterized in that the pre-driving chip is respectively connected with the first H-bridge driving module, the second H-bridge driving module and the current acquisition module; the current acquisition module is connected to a common end of the first H-bridge driving module and the second H-bridge driving module, the first H-bridge driving module is used for driving a first motor, the second H-bridge driving module is used for driving a second motor, and the main control chip is connected with the pre-driving chip through an SPI interface. The configuration module is used for configuring a time sequence relation between a first PWM signal for driving a first motor and a second PWM signal for driving a second motor through an SPI interface, and the current acquisition module is used for acquiring motor current at an intermediate time point of the first PWM signal and an intermediate time point of the second PWM signal respectively. According to the scheme, the complexity and the cost of the multi-motor driving circuit can be reduced.
本发明公开了一种汽车电动车门的电机驱动电路，包括：主控芯片、预驱芯片、第一H桥驱动模块、第二H桥驱动模块、电流采集模块，预驱芯片分别连接第一H桥驱动模块、第二H桥驱动模块、电流采集模块，电流采集模块连接在第一H桥驱动模块、第二H桥驱动模块的公共端，第一H桥驱动模块用于驱动第一电机，第二H桥驱动模块用于驱动第二电机，主控芯片通过SPI接口连接预驱芯片，用于通过SPI接口配置驱动第一电机的第一PWM信号和驱动第二电机的第二PWM信号之间的时序关系，电流采集模块用于分别在第一PWM信号的中间时间点和第二PWM信号的中间时间点采集电机电流。本方案能够降低多电机驱动电路的复杂度和成本。
Motor driving circuit of automobile electric door
一种汽车电动车门的电机驱动电路
CHEN CHANGSHENG (author) / MA ALEI (author) / JIANG YAHAO (author)
2024-07-30
Patent
Electronic Resource
Chinese
IPC:
H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS
,
Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern
/
B60J
WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES
,
Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge
/
B60R
Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen
,
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
/
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
Automobile electric door lock control method, control circuit and automobile electric door
| European Patent Office | 2023
Automobile electric door opening driving mechanism and automobile comprising same
| European Patent Office | 2024