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Power-on and power-off control system of pure electric heavy truck

An electric control and pure electric technology, which is applied in the field of power on and off control systems for pure electric heavy trucks, can solve the problems that the controller cannot receive signals normally, and achieve the effect of avoiding accidental power failure and saving the development cycle

Active Publication Date: 2020-08-14
BEIBEN TRUCKS GRP
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This invention provides a power-on and power-on control system for pure electric heavy trucks. The technical problem to be solved is: the problem that the signal cannot be received normally due to the power-off of the controller

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  • Power-on and power-off control system of pure electric heavy truck

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Embodiment Construction

[0008] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below.

[0009] The power-on and power-on control system of a pure electric heavy truck proposed by the present invention is characterized in that it includes a vehicle controller (VCU), a key switch, a main switch, a relay, a motor controller (MCU), and a high-voltage power distribution box (BMS) and four-in-one controller;

[0010] The motor controller is used to supply power to the wheel drive motor, the high-voltage power distribution box provides high-voltage power for the motor controller and the four-in-one controller, and the four-in-one controller is used to control the power supply of high-voltage components;

[0011] The battery and the main switch supply power to the chassis power distribution box and cab power distribution box respectively;

[0012] The chassis power distribu...

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Abstract

The invention relates to a power-on and power-off control system of a pure electric heavy truck. The power-on and power-off control system comprises a chassis distribution box, a cab distribution box,a vehicle control unit, a key switch, a main switch, relays, a motor controller, a high-voltage distribution box and a four-in-one controller. In a whole vehicle power-on process, power-on of all high-voltage controllers is managed by the vehicle control unit in a unified mode, time sequence judgment of all the controllers is not needed, and an effect that the vehicle control unit serves as a whole vehicle brain is achieved. In the power-off process of the whole vehicle, a low-voltage power supply is controlled in the mode that the vehicle control unit controls the relays, and normal work before the relays in all the high-voltage controllers are disconnected is guaranteed. A problem that each high-voltage controller has no low-voltage power supply and cannot communicate after a key door is closed is avoided; and when an ON gear of the key door is suddenly powered off, the situation that each high-voltage controller is accidentally powered off is avoided, and a development period of the controller is shortened.

Description

technical field [0001] The invention belongs to the field of power on and off control, in particular to a power on and off control system for pure electric heavy trucks. Background technique [0002] At present, there are many high-voltage controllers for pure electric vehicles, and each high-voltage controller is different from traditional low-voltage controllers, and there is a logical mutual judgment in power-on and power-off control. Complicated, there is a risk of power-on and power-off delays. In order to uniformly meet the power-on and power-on judgment and timing requirements of each high-voltage controller, a method of powering on and off the high-voltage controller is provided by a VCU hard-wired drive relay. [0003] There are complex logical judgments for power on and off between high-voltage controllers. In order to ensure the normal operation of each high-voltage controller, each high-voltage controller needs to implement a delayed power-off function, which re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00
CPCB60L3/00Y02T10/72
Inventor 卜军军安平樊东升张文博
Owner BEIBEN TRUCKS GRP
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