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Collision power failure protection device

A technology of power-off protection device and ignition device, which is applied in the direction of circuits, electric switches, electrical components, etc., can solve problems such as fuse blown, current increase, and fire in the car, and achieves low cost, simple structure, and small appearance. Effect

Active Publication Date: 2017-07-07
EAST JOY LONG MOTOR AIRBAG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional quick power-off device is generally designed with fuse resistance, so that when there is an abnormal state in the car, such as a collision, the current in the car will increase, but the heat generated by the current is not enough to blow the fuse, so the current in the car Continue to increase and generate heat, causing fire in the car or electric shock accidents, which means that the response of the power-off device is insufficient

Method used

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Examples

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with specific examples.

[0028] see figure 1 , a collision power-off protection device of the present invention includes a casing 1 and a safety piece 2 fixed in the casing 1, the casing 1 can be made of plastic material, and the two ends of the safety piece 2 extend out of the casing 1 A connecting end 21 is formed, and the connecting end 21 is connected to an external circuit to be protected. The insurance sheet 2 can be punched and formed by copper sheet or aluminum sheet.

[0029] see image 3 , also includes an ignition device 3 and an energy transmission part 4; the ignition device 3 is fixed on the first end of the housing 1; Break the fuse 2. After the ignition device 3 is detonated, there is enough energy to push the energy transfer member 4 for energy transfer. Under the action force and reaction force, the energy transfer member 4 is separated from the ignition device 3 and acts in two ...

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PUM

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Abstract

The invention discloses a collision protection device for power failure, which comprises a casing and a safety piece fixed in the casing, and the two ends of the safety piece extend out of the casing to form connection ends, and the connection ends are connected to The circuit to be protected externally; also includes an ignition device and an energy transmission part; the ignition device is fixed at the first end of the housing; the energy transmission part is arranged between the ignition device and the insurance plate , used to transfer the energy of the ignition device to break the safety plate. Due to the adoption of the collision power-off protection device of the present invention, it has the advantages of simple structure, low cost, rapid power-off, and safety and reliability.

Description

technical field [0001] The invention relates to a power-off protection device, in particular to a collision power-off protection device. Background technique [0002] With the development of science and technology, more and more electric power generation vehicles are widely used by people, such as electric vehicles, cars, trucks, buses, airplanes, helicopters, ships, etc. When these electric vehicles have accidents or short circuits, etc. It will cause the internal current of the car to be too large, which is prone to accidents such as fire or electric shock. Therefore, a device that can quickly cut off the power in an emergency can ensure the safety of passengers in the car and the safety of people in public places. [0003] The traditional quick power-off device is generally designed with fuse resistance, so that when there is an abnormal state in the car, such as a collision, the current in the car will increase, but the heat generated by the current is not enough to blow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H35/14
Inventor 李红娟刘忠王海洋耿会角杜科
Owner EAST JOY LONG MOTOR AIRBAG
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