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Vehicle and collision detection device thereof

A detection device and vehicle collision technology, applied in the field of vehicles, can solve problems such as bus fault signal delay, achieve the effects of preventing fault or signal delay, improving safety, and improving system reliability

Inactive Publication Date: 2019-11-22
宝能(广州)汽车研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem with related technologies is that there is a risk of bus failure or signal delay

Method used

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  • Vehicle and collision detection device thereof
  • Vehicle and collision detection device thereof
  • Vehicle and collision detection device thereof

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0025] A vehicle and a collision detection device thereof according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0026] figure 1 It is a schematic block diagram of a vehicle collision detection device according to an embodiment of the present invention. Such as figure 1 As shown, the vehicle collision detection device according to the embodiment of the present invention includes a signal conditioning circuit 10 , a latch circuit 20 and a driving unit 30 .

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PUM

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Abstract

The invention provides a vehicle and a collision detection device thereof, and the device comprises a signal conditioning circuit which is used for receiving a collision detection signal outputted bythe collision detection device, and carrying out the conditioning of the collision detection signal, so as to output a collision protection signal when a collision happens; a latch circuit which is connected with the signal conditioning circuit, and used for entering a latch state when the collision protection signal is received and continuously outputting a first turn-off signal; and a driving unit which is connected with the latch circuit, and used for driving a high-voltage contactor of the vehicle to be turned off according to the first turn-off signal. Therefore, by means of the collisiondetection device, the high-voltage contactor can be controlled without operating the collision detection signal by the controller, so that faults or signal delay can be prevented, the high-voltage contactor can be quickly disconnected when collision occurs, the safety is improved, the system response time is shortened, and the system reliability is improved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a vehicle collision detection device and a vehicle. Background technique [0002] In related technologies, when a vehicle collides, the collision signal is sent to the battery management system or the vehicle controller through the bus or hard wire, and the battery management system or the vehicle controller controls the high-voltage contactor to lower the high voltage according to the collision signal. However, the related art has a problem in that there is a risk of bus failure or signal delay. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first object of the present invention is to provide a vehicle collision detection device, which can control the high-voltage contactor without the need for the controller to perform calculation processing on the ...

Claims

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Application Information

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IPC IPC(8): B60L3/00B60L3/04
CPCB60L3/0023B60L3/04
Inventor 曾勇
Owner 宝能(广州)汽车研究院有限公司