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High-voltage power distribution control method and system

A technology of high-voltage power distribution and control methods, which is applied in the direction of electric vehicles, electrical devices, electric vehicle charging technology, etc., can solve problems such as endangering the normal driving of vehicles, personal injury of users, failure of power distribution system, etc., and achieve the goal of reducing personal injury probability, early detection, and ease of maintenance

Inactive Publication Date: 2019-03-19
SHENZHEN PINCHUAN ENERGY ELECTRIC CO LTD
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  • Claims
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Problems solved by technology

[0004] The above existing technical solutions have the following defects: when the contactors are stuck, it is easy to cause the power distribution system to fail, thereby endangering the normal driving of the vehicle and causing personal injury to the user; when the user illegally opens the power distribution system of the car to check When the power distribution system is in a high voltage state, it is easy to cause personal injury to the user

Method used

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  • High-voltage power distribution control method and system
  • High-voltage power distribution control method and system

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Embodiment Construction

[0064] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0065] refer to figure 1 , is a high-voltage power distribution control method disclosed in the present invention, comprising:

[0066] S1: Communicate with the outside world to determine how the circuit works. The working mode information transmitted from the outside is received through the CAN bus. Since the transmitted data is encoded, it needs to analyze the data to obtain the working mode information, and determine the working mode of the circuit through the working mode information.

[0067] S2: Check the operation of the circuit. Before the circuit runs normally, apply a small current to the circuit, and make the circuit work according to the working mode information while applying the small current, so as to simulate the normal working state, and determine whether there is a problem in the operation of the circuit through the working structure of th...

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Abstract

The invention relates to the field of power distribution control, and discloses a high-voltage power distribution control method and system. The method comprises the steps that S1, communication withthe outside is conducted to determine a working mode of a circuit; S2, the running conditions of the circuit are detected; S3, states of elements and devices of the circuit are detected; S4, the running conditions and the states of the elements and the devices are acquired, and the elements and devices with faults are determined; S5, the elements and devices of the circuit are controlled accordingto the work mode, and power distribution operation is achieved; S6, the environment temperature of the circuit, the temperature of the elements and the devices and the temperature of junction pointsare detected; S7, current conditions of the circuit are detected; S8, the operation conditions of a user are determined for processing. The system comprises a bus communication unit, a self-inspectionunit, an element-device monitoring unit, a processing unit, a circuit control unit, a temperature detecting unit and a high-voltage interlocking unit. The method and system have the advantage that the personal injury phenomenon is reduced.

Description

technical field [0001] The invention relates to the technical field of power distribution control, in particular to a high-voltage power distribution control method and system thereof. Background technique [0002] At present, an electric vehicle refers to a vehicle powered by a vehicle-mounted power battery and driven by a motor to drive the wheels. The power battery provides electric energy for the driving motor of the electric vehicle, and the electric motor converts the electric energy of the power battery into mechanical energy, and drives the wheels and working devices through the transmission or directly. In an electric vehicle, there are far more electrical devices than in conventional vehicles. Therefore, in addition to the low-voltage control system, there is also a high-voltage transmission system in the vehicle. The operating voltage of many devices in electric vehicles is as high as hundreds of volts, and the current is as high as tens of amps, or even hundred...

Claims

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Application Information

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IPC IPC(8): B60L3/00B60L3/04
CPCB60L3/0023B60L3/04Y02T90/16
Inventor 朱红锋景育王文蕊
Owner SHENZHEN PINCHUAN ENERGY ELECTRIC CO LTD
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