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Power distribution box for electric car

A technology of power distribution box and battery, which is applied in the direction of electric vehicles, electrical devices, vehicle components, etc., to achieve the effect of reducing costs and reducing wiring harnesses

Active Publication Date: 2017-05-31
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the power distribution box needs to be connected to the outside through a large number of wire harnesses, the embodiment of the present invention provides a power distribution box for electric vehicles

Method used

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  • Power distribution box for electric car
  • Power distribution box for electric car
  • Power distribution box for electric car

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Embodiment

[0033] An embodiment of the present invention provides a power distribution box for an electric vehicle, such as figure 1 As shown, the power distribution box includes a casing 100 and an electronic system disposed in the casing. The casing 100 is used to load and protect the electronic system, and the power distribution box realizes the distribution of electric energy output by the battery through the electronic system.

[0034] figure 2 For a circuit diagram of the electronic system, see figure 2 , in this embodiment, the electronic system includes a high-voltage discharge circuit 1, a charging circuit 2, a control module 3 and a battery connector 8 for connecting the battery of an electric vehicle, and the high-voltage discharge circuit 1 includes a motor controller circuit 11, a DC conversion The device circuit 12, the heater circuit 13 and the AC power circuit 14, the motor controller circuit 11, the DC converter circuit 12, the heater circuit 13 and the AC power circu...

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Abstract

The invention discloses a power distribution box for an electric car, which belongs to the field of electric car circuits. The power distribution box comprises a shell and an electronic system arranged in the shell, wherein the electronic system comprises a high-voltage discharging circuit, a charging circuit, a control module and a battery connector assembly for being connected with a battery of the electric car, the high-voltage discharging circuit comprises a motor controller circuit, a direct current converter circuit, a heater circuit and an alternating current power supply circuit, and the motor controller circuit, the direct current converter circuit, the heater circuit and the alternating current power supply circuit are all connected with the battery connector assembly; the charging circuit comprises a quick charging circuit and a slow charging circuit, and both the quick charging circuit and the slow charging circuit are connected with the battery connector assembly; and the control module is used for control the connection and disconnection between at least one of the motor controller circuit, the DC converter circuit, the heater circuit, the AC power supply circuit, the quick charging circuit and the slow charging circuit and the battery connector assembly. By adopting the power distribution box, the cost of the whole car is decreased.

Description

technical field [0001] The invention belongs to the field of electric vehicle circuits, in particular to a power distribution box for electric vehicles. Background technique [0002] An electric vehicle is a new type of vehicle that is driven by a battery, and the electric energy output by the battery is introduced into the various electrical appliances of the electric vehicle through the power distribution box. [0003] A common power distribution box mainly includes a housing and an electronic system arranged in the housing. The electronic system includes multiple circuits corresponding to electrical appliances, and each circuit is connected to the battery, so that the electric energy output by the battery can be imported into the corresponding circuit through each circuit. electrical appliances. Generally speaking, the on-off of the above-mentioned circuits is generally controlled by BMS (BATTERY MANAGEMENT SYSTEM, battery management system) or VCU (Vehicle Control Unit,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00
CPCB60L3/00
Inventor 李东沙文瀚王飞刘琳曾羽飞姚意汪涛倪绍勇
Owner CHERY AUTOMOBILE CO LTD
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