CN221557396U - New energy automobile power battery accurate quick extinguishing device based on perfluoro-hexanone - Google Patents

Abstract

The utility model relates to a new energy automobile power battery accurate and rapid fire extinguishing device based on perfluoro-hexanone, which can effectively solve the problem that the device can not automatically extinguish fire when the fire occurs due to a certain failure rate of the existing electrical equipment used for monitoring the fire, and the technical proposal is that a metal pipeline is arranged in a new energy automobile battery box body, a plurality of fire detection pipes are connected on the metal pipeline and are fixed in the battery box body through a limiter, the metal pipeline is connected with the perfluorinated hexanone fire extinguisher through the hose, the hose is connected with the perfluorinated hexanone fire extinguisher through the quick connector, the pressure valve is arranged on the quick connector, the fire detecting pipe can realize automatic detection and can be used as a transportation pipeline, the fire detection tube arrangement is designed according to different vehicle types and battery positions, and the later-stage continuous fire extinguishment is realized through the reserved continuous fire extinguishment rescue rapid interface, so that the fire detection tube arrangement is an innovation on a power battery fire extinguishing device of a new energy automobile.

Description

A precise and rapid fire extinguishing device for new energy vehicle power batteries based on perfluorohexanone

Technical Field

The utility model relates to a new energy vehicle power battery, in particular to a precise and rapid fire extinguishing device for a new energy vehicle power battery based on perfluorohexanone.

Background Art

The fire detection tube fire extinguishing system can realize automatic monitoring, alarm and start-up without the presence of electrical equipment. The existing power electrical fire extinguishing system still has some shortcomings when in use: the electrical equipment used to monitor fire has a certain failure rate, the device cannot automatically extinguish the fire when a fire occurs, and the fire extinguishing agent is very harmful to the battery. Therefore, it is imperative to invent a fire extinguishing device that is harmless to the battery and can be accurate and fast.

Summary of the invention

In view of the above situation, in order to solve the defects of the prior art, the purpose of the utility model is to provide a precise and rapid fire extinguishing device for new energy vehicle power batteries based on perfluorohexanone, which can effectively solve the problems that the existing electrical equipment used for monitoring fires has a certain failure rate, the device cannot automatically extinguish the fire when a fire occurs, and the fire extinguishing agent causes great damage to the battery.

The technical solution solved by the utility model is that it includes a battery box, a fire detection tube and a fire extinguisher. A metal pipe is installed in the battery box of the new energy vehicle, and a plurality of fire detection tubes are connected to the metal pipe. The fire detection tube is fixed in the battery box through a limiter. The metal pipe is connected to the perfluorohexanone fire extinguisher through a hose. The hose and the perfluorohexanone fire extinguisher are connected through a quick interface, and a pressure valve is arranged on the quick interface.

The utility model uses perfluorohexanone as a fire extinguishing agent, which is safer and more efficient. The fire detection tube can realize automatic detection and can be used as a transportation pipeline. The fire detection tube arrangement is designed according to different vehicle models and battery positions. The later continuous fire extinguishing is realized through the reserved continuous fire extinguishing and rescue quick interface. The use effect is good, and it is an innovation in the fire extinguishing device of new energy vehicle power batteries.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the utility model.

DETAILED DESCRIPTION

The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

As shown in Figure 1, the utility model includes a battery box, a fire detection tube and a fire extinguisher. A metal pipe 3 is installed in the battery box 6 of the new energy vehicle. A plurality of fire detection tubes 2 are connected to the metal pipe 3. The fire detection tube 2 is fixed in the battery box 6 via a limiter 1. The metal pipe 3 is connected to the perfluorohexanone fire extinguisher 5 via a hose 7. The hose 7 and the perfluorohexanone fire extinguisher 5 are connected via a quick interface 4, and a pressure valve is provided on the quick interface 4.

In order to ensure the use effect, the pressure valve is a three-phase valve.

At least four fire detection tubes 2 are provided.

The fire detection tubes 2 are arranged in the battery box 6 at equal intervals.

The fire detection tube 2 is arranged just above the power battery in the battery box 6 .

The metal pipe 3 is arranged in the upper middle part of the battery box 6 .

The front and rear ends of the metal pipe 3 are both provided with threads.

The perfluorohexanone fire extinguisher 5 is provided with a shell, which is fixed in the trunk of the car by screws, and the shell and the perfluorohexanone fire extinguisher 5 are fixed by a limiter.

The fire detection tube 2 is fixed on the top wall of the battery box 6 via the stopper 1, the fire detection tube 2 is embedded in the stopper 1, and the stopper 1 is fixed on the top wall of the battery box 6 via screws.

The use of the utility model is that the limiter 1 is fixed to the upper part of the battery box by screws, and the fire detection tube 2 is embedded in the limiter, and is evenly and reasonably arranged above the power battery in the battery box 6 through a series of arrangement methods. The front fire detection tube 2 is connected to the rear fire extinguisher through a metal pipe 3, and the fire detection tube installed in the battery box is fixed by a limiter fixedly installed on the upper wall of the battery, and the fire detection tube is accurately arranged inside the power battery in a certain way. A fixed perfluorohexanone fire extinguisher is installed in the trunk of the car, and the fire extinguisher is filled with pressurized liquefied perfluorohexanone. A pressure valve is installed at the interface. When the fire detection tube ruptures, the perfluorohexanone is automatically released, and the hose 7 can transport the perfluorohexanone stored in the perfluorohexanone fire extinguisher 5 to the battery box 6. In addition, when the perfluorohexanone in the perfluorohexanone fire extinguisher 5 is released but the fire has not been controlled, the emergency rescue quick interface 4 can be used to connect to the fire hose, and the interface of the fire extinguisher is a three-phase valve to ensure the subsequent continuous fire extinguishing operation.

Specifically, the fire detection tube is placed near or above the most likely place for fire to occur, and detection is carried out by relying on many detection points along the fire detection tube. Once a fire occurs, the fire detection tube is softened and exploded at the highest temperature, releasing the fire extinguishing medium into the protected area through the fire detection tube itself. Among them, the fire detection tube combines long-term leak resistance, flexibility and effective temperature sensitivity. It explodes within a certain temperature range to spray fire extinguishing media or transmit fire signals. Perfluorohexanone is used as a fire extinguishing agent. Perfluorohexanone is liquid at room temperature, easy to vaporize and exist in gaseous state. It mainly relies on chemical inhibition and cooling to achieve the effect of fire extinguishing. In terms of environmental protection, perfluorohexanone is a veritable green and environmentally friendly fire extinguishing agent. The fire extinguishing concentration of perfluorohexanone is 4-6%, and the safety margin is relatively high. It is safer for the human body when used. It can be safely stored and transported in ordinary containers under normal pressure, unlike other alternatives that require pressure containers for storage and transportation. The perfluorohexanone fire extinguishing system can achieve the effect of rapid spraying. In addition to using it for chemical fire extinguishing, because the changes in temperature and pressure can liquefy and absorb part of the heat, it is more in line with the use scenario of the device. Therefore, perfluorohexanone is used as a fire extinguishing agent after comprehensive consideration.

The working principle of the utility model is to reduce the concentration of combustible mixtures in the battery box, reduce the oxidation reaction rate, inhibit the chain reaction of the battery so that the combustion no longer expands, and at the same time effectively prevent the combustion of surrounding batteries and reduce the emission of toxic and harmful substances. Therefore, installing a fire detector in the battery box of a new energy vehicle and using perfluorohexanone fire extinguishing agent to directly pass into the battery pack can effectively improve the fire protection capability of the power battery, thereby achieving active fire prevention and fire extinguishing; it can also automatically transport the fire extinguishing agent and release it to the battery box with abnormal temperature, which will cause less damage to the battery pack, reduce the contact between personnel and the fire point, and be safer and more efficient. According to the structure of the battery box and the characteristics of the battery fire, it is chosen to submerge it to reduce the temperature and achieve the effect of early fire extinguishing. The gas tank containing perfluorohexanone is fixedly installed in the trunk of the new energy vehicle, and the gas tank storing perfluorohexanone is adopted Using a 3.5mm steel cylinder, it will not leak when placed normally, the fire extinguishing agent can be stored for a longer time, and the cost of use is reduced. When the system needs to work, the perfluorohexanone fire extinguishing agent is automatically sprayed into the battery pack through the pipe to extinguish the fire, and the sprayed perfluorohexanone causes little damage to the battery, which can reduce the loss of the car owner. By utilizing the properties of the fire detection tube, the functions of automatic monitoring and automatic fire extinguishing are realized in the absence of electrical equipment. Through the design of the pressure valve, safety can be guaranteed when there is no fire, and the fire can be automatically extinguished when a fire occurs. When the fire is large in the later stage of the fire, the fire hose can be quickly connected through the valve interface to achieve continuous fire extinguishing in the later stage.

The utility model can reduce the harm caused by fire to personnel and damage to the environment, can realize accurate and rapid fire extinguishing in the early stage of fire, and can convert the original fire extinguishing operation that requires a lot of time into releasing all the perfluorohexanone in the device to the position where the battery temperature is abnormal within 60 seconds. In addition, when the early fire extinguishing system of the device fails to achieve the ideal effect after completion, the firefighters can connect with the fire hose through the quick interface, and then release the water accurately to the place with abnormal temperature through the metal pipe, so as to realize sustainable accurate and rapid fire extinguishing in the later stage. The utility model is safe, clean and efficient, and can realize the fire extinguishing operation of new energy vehicle battery fire at a certain distance from the fire scene. It is an innovation in the fire extinguishing device of new energy vehicle power battery, and has good economic and social benefits.

It should be pointed out that the above is only a preferred embodiment of the utility model, and does not impose any form of limitation on the utility model. Any technician familiar with the profession can use the technical content disclosed above to make changes or modify it into an equivalent embodiment with equivalent changes without departing from the technical solution of the utility model, which all fall within the protection scope of the utility model.

Claims (5)

1. The utility model provides a new energy automobile power battery accurate quick extinguishing device based on perfluoro hexanone, including battery box, fire probe pipe and fire extinguisher, characterized in that, install metal pipeline (3) in new energy automobile battery box (6), be connected with a plurality of fire probe pipe (2) on metal pipeline (3), fire probe pipe (2) are fixed in battery box (6) through stopper (1), metal pipeline (3) are connected with perfluoro hexanone fire extinguisher (5) through hose (7), be connected through quick interface (4) between hose (7) and the perfluoro hexanone fire extinguisher (5), be provided with the pressure valve on quick interface (4); the fire detection tubes (2) are arranged in the battery box body (6) at equal intervals; the fire detection tube (2) is arranged right above the power battery in the battery box body (6); the metal pipeline (3) is arranged at the middle upper part in the battery box body (6); the fire probe tube (2) is fixed on the top wall in the battery box body (6) through the limiter (1), the fire probe tube (2) is embedded into the limiter (1), and the limiter (1) is fixed on the top wall of the battery box body (6) through screws.

2. The new energy automobile power battery accurate and rapid fire extinguishing device based on perfluorinated hexanone according to claim 1, wherein the pressure valve is a three-phase valve.

3. The new energy automobile power battery accurate and rapid fire extinguishing device based on perfluorinated hexanone according to claim 1, wherein at least 4 fire detecting tubes (2) are arranged.

4. The perfluoro-hexanone-based accurate and rapid fire extinguishing device for the power battery of the new energy automobile, which is disclosed in claim 1, is characterized in that the front end and the rear end of the metal pipeline (3) are provided with threads.

5. The novel power battery accurate and rapid fire extinguishing device based on the perfluorinated hexanone is characterized in that a shell is arranged outside the perfluorinated hexanone fire extinguisher (5), the shell is fixedly arranged in a trunk of an automobile through screws, and the shell is fixed with the perfluorinated hexanone fire extinguisher (5) through a limiter.