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Cooling and fire extinguishing device

A technology for a fire extinguishing device and a mounting hole, which is applied in the field of new energy vehicle protection devices, can solve the problems of temperature rise, inconvenience of hand-held fire extinguishers, uncontrollable fire, etc., and achieves the effect of reducing possibility and avoiding uncontrollable fire.

Inactive Publication Date: 2021-03-02
HUBEI UNIV OF ARTS & SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In response to saving fossil resources and protecting the natural environment, new energy vehicles have been launched in many regions. New energy vehicles move by converting electrical energy into mechanical kinetic energy. Therefore, it is necessary to install a power supply on the new energy vehicle. Each battery pack is composed of multiple small lithium battery packs. During long-term use, the temperature of the lithium battery may rise or even cause the power supply to catch fire. Since the battery pack is located close to the chassis of the car, Therefore, it is inconvenient to use a hand-held fire extinguisher to extinguish the fire, and when the people in the car perceive an open fire, the fire is often out of control

Method used

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  • Cooling and fire extinguishing device
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  • Cooling and fire extinguishing device

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses a cooling and fire extinguishing device. The cooling and fire extinguishing device comprises a shell, a first fire extinguishing assembly and a second fire extinguishing assembly, wherein the shell is used for placing a lithium battery pack, the first fire extinguishing assembly comprises a liquid conveying pipe and a spraying head communicating with the liquid conveying pipe, the liquid conveying pipe is used for circulating cooling liquid, a plurality of installing holes are formed in the outer wall face of the liquid conveying pipe in a penetrating mode, the second fire extinguishing assembly comprises a gas conveying pipe arranged in the liquid conveying pipe in a sleeve mode, the gas conveying pipe is used for circulating inert gas, and the second fire extinguishing assembly further comprises exhaust pipes which are correspondingly installed in the multiple installation holes in a sealed mode and communicate with the gas conveying pipe. The temperature of the lithium battery pack is too high, the cooling liquid of the liquid conveying pipe cools the inert gas circulating in the gas conveying pipe, the temperature of the inert gas blown to the lithium battery pack is lower, cooling of the lithium battery pack is achieved, the oxygen concentration in the shell is reduced, the possibility that the lithium battery pack is on fire is reduced, when the lithium battery pack is on fire, the spraying head sprays the cooling liquid to extinguish open fire, the high-temperature lithium battery is cooled, the open fire is found in time, fire extinguishmentis conducted, and uncontrollable fire is avoided.

Description

technical field [0001] The invention relates to the technical field of protection devices for new energy vehicles, in particular to a cooling and fire extinguishing device. Background technique [0002] In response to saving fossil resources and protecting the natural environment, new energy vehicles have been launched in many regions. New energy vehicles move by converting electrical energy into mechanical kinetic energy. Therefore, it is necessary to install a power supply on the new energy vehicle. Each battery pack is composed of multiple small lithium battery packs. During long-term use, the temperature of the lithium battery may rise or even cause the power supply to catch fire. Since the battery pack is located close to the chassis of the car, Therefore, it is inconvenient to carry out fire extinguishing by hand-held fire extinguishers, and when the personnel in the car perceives an open fire, the situation of the fire is often uncontrollable. Therefore, need badly a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62C3/07A62C3/16A62C31/00A62C37/40
CPCA62C3/07A62C3/16A62C31/005A62C37/40
Inventor 吴华伟赵千李正雷宇刘祯程清思钱伟吴红静
Owner HUBEI UNIV OF ARTS & SCI
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