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Vehicle Collision Protection System

A protection system and vehicle collision technology, applied in the fields of energy storage power stations and electric vehicle control, can solve problems such as the inability to guarantee vehicle safety, and achieve the effect of preventing secondary collisions

Inactive Publication Date: 2016-12-07
东莞钜威软件科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore the collision protection system of electric vehicle also arises at the historic moment, and the collision protection system of prior art can only cut off the output of high-voltage electric power (for example, the voltage output of battery pack) after collis

Method used

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] see figure 1 , figure 1 It is a schematic diagram of the connection structure of the first embodiment of the vehicle collision protection system of the present invention. In this embodiment, the vehicle collision protection system 100 preferably includes: a battery pack 10, an acceleration sensing unit 11, an embedded processing unit 12, an overcurrent protection unit 13, an LED indication unit 14, a short circuit protection unit 15 and a current acquisition unit 16 .

[0020] The embedded processing unit 12 is connected with the acceleration sensing unit 11 . In this embodiment, the acceleration sensing unit 11 is preferably connected to the interrupt pin INT of the embedded processing unit 12 . The acceleration sensing unit 11 is used to detect the acceleration of the vehicle and send a collision signal to the embedded processing unit 12 ...

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Abstract

The invention discloses a vehicle collision protection system which comprises an acceleration speed induction unit and an embedded processing unit. The embedded processing unit is connected with the acceleration speed induction unit, the acceleration speed induction unit is used for detecting the acceleration speed of a vehicle and sending collision signals to the embedded processing unit when the acceleration speed of the vehicle is larger than or equal to a preset acceleration speed protection threshold value, and the embedded processing unit is used for controlling input and/or output of high-voltage power of the system to be cut off when receiving the collision signals. Through the mode, the vehicle can be prevented from being threatened by the high-voltage power after a collision happens in the running and/or charging process, and therefore personal safety can be guaranteed.

Description

technical field [0001] The invention relates to the field of energy storage power station and electric vehicle control, in particular to a vehicle collision protection system. Background technique [0002] With the establishment and implementation of the national new energy vehicle development strategy, my country's new energy vehicle power system technology platform with independent intellectual property rights is gradually being established. An important feature of electric vehicles is that there is a high-voltage power circuit inside the vehicle, and the voltage of the power battery pack exceeds the safe voltage, which can threaten personal safety. In addition, since the addition of a power battery pack increases the weight of the vehicle itself and thus increases the energy in a collision, the collision safety of electric vehicles has higher requirements. Therefore the collision protection system of electric vehicle also arises at the historic moment, and the collision ...

Claims

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Application Information

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IPC IPC(8): B60L3/00
Inventor 林田生
Owner 东莞钜威软件科技有限公司
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