KR102637926B1 - Fire extinguishing system of electric vehicle for car repair station - Google Patents

Abstract

The present invention relates to a system installed in a vehicle repair shop to extinguish electric vehicle fires. More specifically, the present invention relates to a system installed in a vehicle repair shop where electric vehicles are maintained so that a fire extinguishing member can be extinguished by immersing an electric vehicle in fire extinguishing water. By doing so, not only can vehicle fires caused by electric vehicle batteries that occur during vehicle maintenance be extinguished quickly and efficiently, but also monitoring and extinguishing fires in electric vehicles at an early stage can prevent large-scale fires, serial fires, and casualties from fires. It is designed to effectively block the outflow and spread of harmful combustion gases caused by fire.

Description

{ Fire extinguishing system of electric vehicle for car repair station }

The present invention relates to a system installed in a vehicle repair shop to extinguish electric vehicle fires. In particular, it is designed to move an electric vehicle in a fire and immerse it in injected fire extinguishing water, thereby preventing damage from electric vehicle batteries, etc., generated during vehicle maintenance. Not only can vehicle fires be extinguished quickly and effectively, but fires in electric vehicles can be monitored and extinguished at an early stage to prevent large-scale fires and casualties from fires.

In general, electric vehicles, or electric vehicles, are eco-friendly vehicles that use electricity as a power source, and supply electrical energy generated from a charged high-voltage battery to an electric motor to generate driving force to drive the vehicle.

Compared to existing vehicles using internal combustion engines powered by gasoline or diesel, these electric vehicles have advantages such as no vibration and no exhaust gas pollution, and have recently become a trend in the global automobile industry, manufacturing and manufacturing them. Sales are rapidly increasing, and it is expected that it will become a car of the future.

The above-mentioned electric vehicles are essentially equipped with secondary batteries, that is, batteries, which enable the use of electricity as power. In order to increase the driving range of electric vehicles and popularize them, research and development, such as battery capacity and voltage strength, and investment are being made. It is progressing actively.

However, if the battery of such an electric vehicle receives a shock to the battery cell due to an accident, etc., a fire occurs. A chain reaction leads to continuous fire suppression for a long time, and a fire extinguishing method that sprays a large amount of fire extinguishing agent and water is used. It is difficult to effectively extinguish and extinguish electric vehicle battery fires due to suffocation fire extinguishing methods that block the supply of oxygen, and there is currently no suitable fire extinguishing method. Recently, electric vehicles in a fire are immersed in a water tank filled with fire extinguishing water. Technologies for cooling fire extinguishing methods are being researched and attempted.

The prior art literature related to the fire extinguishing system for extinguishing fires in electric vehicles includes the title of the invention in Republic of Korea Patent Publication No. 10-2431466, 'A cooling tank for stabilizing a battery in the event of an electric vehicle fire and an electric vehicle using the same. There are ways to make batteries safer.

The above-described conventional invention aims to provide a cooling tank for battery stabilization work that allows stabilization work on the battery to be carried out quickly and smoothly in the event of a fire in an electric vehicle.

And as another conventional prior art document, the title of the invention in Republic of Korea Patent Publication No. 10-2475355, 'floating water tank type electric vehicle fire suppression device', is that an electric vehicle in a fire can be installed quickly and easily in a water tank-shaped structure. It is designed to provide an effective means of extinguishing fire through cooling and suffocation by injecting fire extinguishing water into a tank-shaped structure.

However, the above-described conventional fire extinguishing technology for extinguishing electric vehicle fires mainly involves equipping a movable water tank, etc., and injecting fire extinguishing water into the water tank to immerse the electric vehicle in order to extinguish fires in electric vehicles that occur while driving on the road. As a result, there has been almost no research or attempt on technologies and systems for suppressing and extinguishing fires that occur during the maintenance process of electric vehicles.

In addition, vehicle repair shops store a large amount of flammable materials such as various oils, and are often located in dense urban areas, so fires in parked electric vehicles are detected early and quickly extinguished. There was an urgent need for systems and technologies to prevent large-scale fires or large casualties, and to effectively block toxic gases generated during fires.

In order to solve the above problems, the present invention is designed to extinguish an electric vehicle in which a fire occurs in a fire extinguishing member installed in a vehicle repair shop where electric vehicles are maintained by immersing it in fire extinguishing water, thereby extinguishing the vehicle by immersing it in fire extinguishing water. Not only can fires be extinguished quickly and efficiently, but fires in electric vehicles can be monitored and extinguished at an early stage to prevent large-scale fires, serial fires, and casualties from fires, and harmful combustion gases, etc. The purpose is to effectively block the spread of .

The present invention includes a lift member that is equipped to raise and lower an electric vehicle, and has a detector on the top that can detect the initial fire of the electric vehicle, and a control unit that is driven by the operation of the detector;

A fire extinguishing member formed with a recessed submerged portion to immerse the electric vehicle in which a fire occurs, and a smoke shutter portion that opens and closes the upper part of the submerged portion;

A water storage member forming a water tank for storing fire extinguishing water, a pump driving to transfer the fire extinguishing water in the water tank to the immersion portion, and a transfer pipe connecting the water tank and the inlet of the immersion portion;

It is characterized by being composed of.

As explained above, the present invention is designed to extinguish an electric vehicle with a fire extinguishing member installed in a vehicle repair shop where electric vehicles are maintained by immersing it in fire extinguishing water, thereby preventing vehicle fires caused by electric vehicle batteries, etc., which occur during the vehicle maintenance process. Not only can it be extinguished quickly and efficiently, but it can also monitor fires in electric vehicles and extinguish them at an early stage to prevent large-scale fires, chain fires, and casualties from fires, and the leakage of harmful combustion gases due to fires. It is a beneficial invention that effectively blocks the spread of the disease.

Figure 1 is a front view showing an electric vehicle fire extinguishing system for a vehicle repair shop of the present invention, Figure 2 is a side view showing an electric vehicle fire extinguishing system for a vehicle repair shop of the present invention, Figure 3 is a front view showing an embodiment of the present invention, and Figure 4 is a front view showing an embodiment of the present invention. It is a side view showing an embodiment of the present invention, Figure 5 is a front view showing the use state of the present invention, Figure 6 is a use state diagram showing a part of the fire extinguishing member of the present invention, and Figure 7 is a plan view showing the present invention.
First, when adding reference numerals to components in each drawing, it should be noted that identical components are given the same reference numerals as much as possible even if they are shown in different drawings.
Additionally, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

Hereinafter, the configuration and effects according to the present invention will be described in detail with reference to the attached drawings.

As shown in Figures 1 to 7, the electric vehicle fire extinguishing system for a vehicle repair shop of the present invention includes a lift member 100 for raising and lowering an electric vehicle, and cooling with fire extinguishing water injected by moving the vehicle in which a fire occurs. It consists of a fire extinguishing member 200 that extinguishes the fire, and a water storage member 300 that stores fire extinguishing water injected into the fire extinguishing member 200.

The lift member 100 is formed to raise and lower the electric vehicle, and has a detector 110 at the top that detects the initial fire of the electric vehicle, and a control unit 120 that is driven by the operation of the detector 110. Be sure to provide.

The detector 110 is preferably a detector operated by temperature or smoke, and is preferably provided with a separate acoustic alarm 130 linked to the detector 110, but this is not necessarily limited. .

The control unit 120 allows the system to be automatically driven by a signal detected by the detector 110, or manually operates the system according to a warning sound generated by the acoustic alarm 130 linked to the detector 110. It is a desirable embodiment to allow this.

The fire extinguishing member 200 forms a recessed immersion part 210 to immerse the electric vehicle in which a fire occurs, and a smoke prevention shutter part 220 that opens and closes the upper part of the immersion part 210.

The immersion portion 210 forms an inlet 211 through which fire extinguishing water is injected, and an outlet 212 through which high-temperature water injected to cool the fire vehicle is discharged.

The inlet 211 discharges the fire extinguishing water supplied from the water storage member 300, and the outlet 212 is provided on the bottom of the immersion portion 210, so that high temperature fire extinguishing water and the vehicle due to cooling of the fire vehicle It is desirable to discharge foreign substances and sludge caused by combustion, so that fire extinguishing water at room temperature or low temperature is injected into the immersion part 210, and after a certain period of time, the high temperature fire extinguishing water is drained and replaced.

The immersion part 210 is provided with a spray head 213 that sprays the fire extinguishing water supplied to both sides of the upper part in a fine spray, so that the cooling of the non-immersed upper part of the fire vehicle and the cooling of the fire extinguishing water of the fire vehicle occur. Minimize leakage of high-temperature steam and combustion gases.

It is desirable to ensure that the cumulative volume distribution of 99% of the water particles sprayed from the spray head 213 of the immersion unit 210 is finely sprayed to less than 400 micrometers, making it suitable for general fires, oil fires, and electrical fires. This is an example.

The immersion part 210 is equipped with a separate exhaust pipe 214 and an exhaust fan 215 at the top to discharge harmful combustion gases and high-temperature steam generated from a fire vehicle, thereby removing high-temperature steam and harmful vapors from the vehicle repair shop. This helps prevent the spread of gas.

The smoke prevention shutter unit 220 forms a caterpillar 221 that moves to both sides to open and close the upper part of the immersion unit 210, and a motorizing unit 222 that moves the caterpillar 221.

When the smoke prevention shutter unit 220 is normally closed, workers can pass through it, and when it is open, the immersion unit 210 can be used as a space for maintenance work on the lower part of the vehicle.

The caterpillar 222 is formed to be equipped with a pad made of non-combustible or flame-retardant material, and the surface of the pad is provided with protrusions to prevent slipping, so that workers can prevent slipping in a normal closed state and during traffic and maintenance work. Ensure that there are no obstacles, and in the event of a fire, prevent deformation and damage to the caterpillar pad due to the high temperature generated in the immersion area.

The water storage member 300 includes a water tank 310 for storing fire extinguishing water, a pump 320 that drives the fire extinguishing water in the water tank to be transferred to the immersion portion 210, and the water tank 310 and immersion portion 210. A transfer pipe 330 is formed to connect the injection port 211.

The water storage member 300 is provided with a separate cooler 340 to cool the fire extinguishing water, so as to cool the high temperature fire extinguishing water discharged from the outlet 212 of the immersion portion 210 to a predetermined temperature. It is desirable to supply cooled fire extinguishing water to the water tank 310 to circulate the fire extinguishing water, but this is not necessarily limited.

The unexplained symbol C is an electric vehicle, and W is fire extinguishing water.

Hereinafter, the operations and effects according to the configuration of the present invention will be described in detail with reference to the attached drawings.

As shown in Figures 1 to 7, the electric vehicle fire extinguishing system for a vehicle repair shop of the present invention is a maintenance process for an electric vehicle (C) parked on the lift member 100 on the upper part of the fire extinguishing member 200 installed in the vehicle repair shop. If a fire occurs in a battery, etc., the sensor 110 provided on the upper part of the lift member 100 detects combustion heat and smoke due to the fire, and transmits the detected signal to the control unit 120 to detect the electric vehicle fire. Since the fire extinguishing system can be operated automatically, it is possible to extinguish and extinguish electric vehicle fires in cases such as at night or during out hours when there are no workers in the vehicle repair shop.

At this time, when a separate acoustic alarm 130 linked to the detector 110 generates a fire warning sound according to the detection signal, workers in the vehicle repair shop, etc. manually operate or stop the fire extinguishing system through the control unit 120. This not only makes it possible to quickly extinguish fires in vehicle repair shops where large quantities of combustibles are stored, but also prevents damage caused by sensor malfunctions.

As shown in FIGS. 3 and 4, the fire extinguishing member 200 operates according to the driving signal from the control unit 120, and the electric motor 222 provided on both sides of the smoke prevention shutter unit 220 operates, As the caterpillars 221 move to both sides, the upper part of the submerged portion 210 of the fire extinguishing member 200 can be opened.

Then, the electric vehicle (C) mounted on the lift member 100 is lowered and positioned to recess into the immersion portion 210. When the descent of the electric vehicle into the immersion portion 210 is completed, the smoke prevention shutter unit 220 is When driven again, the electric drive unit 222 and the caterpillar 221 operate in the reverse direction, thereby closing the upper part of the immersion unit 210, thereby blocking external outflow of combustion heat and combustion gas from the electric vehicle in which a fire occurs. Therefore, it is possible to fundamentally prevent secondary fires or chain fires and casualties caused by toxic gases.

As shown in Figure 5, when the immersion part 210 is sealed by the smoke prevention shutter part 220, the pump 320 of the water storage member 300 is driven, and the fire extinguishing water stored in the water tank 310 ( W) is discharged through the inlet 211 along the transfer pipe 330 to quickly immerse the high-temperature electric vehicle (C) in which the fire occurred to cool and extinguish it.

At this time, as shown in FIG. 6, when fine mist of water particles is sprayed from the spray nozzles 213 provided on both sides of the upper part of the immersion unit 210, the water exposed to the fire extinguishing water at the top of the electric vehicle where the fire occurs Not only can the part be cooled, but harmful substances in the form of fine particles such as various fine dust and dust contained in the high-temperature steam and combustion gas generated when an electric vehicle fire is extinguished combine with the atomized water and fall downward. It can minimize and block the outflow and spread of fire heat and smoke.

As shown in FIG. 7, by providing a separate cooler 340 to cool the fire extinguishing water (W) in the water storage member 300, the high temperature fire extinguishing water discharged from the outlet 212 of the immersion portion 210 is cooled. Because it cools and circulates to the appropriate level of temperature required for cooling and extinguishing, it is possible to quickly and efficiently cool and extinguish a high-temperature electric vehicle in which a fire occurs.

In addition, as shown in FIG. 7, a separate exhaust pipe 214 and an exhaust fan 215 are provided at the top of the immersion unit 210 to quickly remove harmful combustion gases and high-temperature vapor generated from the fire vehicle to the outside. Since it can be discharged to the vehicle maintenance shop, it blocks the spread of harmful and toxic gases caused by high-temperature steam and combustion within the vehicle repair shop, prevents casualties, and safely extinguishes electric vehicle fires.

The above description is merely an illustrative explanation of the technical idea of the present invention, and various modifications and variations will be possible to those skilled in the art without departing from the essential characteristics of the present invention.

Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but are for illustrative purposes, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of protection of the present invention shall be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope shall be construed as being included in the scope of rights of the present invention.

Explanation of symbols for main parts of the drawing
100: lift member 110: sensor
120: Control unit 130: Sound alarm
200: fire extinguishing member 210: immersion unit
211: inlet 212: outlet
213: spray head 214: exhaust pipe
215: exhaust fan 220: smoke prevention shutter unit
221: Caterpillar 222: Electrical part
300: water storage member 310: water tank
320: pump 330: transfer pipe
340: Cooler

Claims (7)

A lift member (100) is equipped to raise and lower an electric vehicle, and has a detector (110) on the top that detects the initial fire of the electric vehicle, and a control unit (120) that is driven by the operation of the detector (110). )and;
A fire extinguishing member 200 formed with a submerged portion 210 that is recessed to submerge the electric vehicle in which a fire occurs, and a smoke shutter portion 220 that opens and closes the upper part of the submerged portion 210;
A water tank 310 that stores fire extinguishing water, a pump 320 that drives the fire extinguishing water in the water tank to be transferred to the immersion part 210, and the water tank 310 and the inlet 211 of the immersion part 210 are connected. A water storage member 300 forming a transfer pipe 330 to do so;
It consists of,
The sensor 110 of the lift member 100 is,
A separate acoustic alarm 130 is provided to operate the system automatically and manually by the control unit 120 through the warning sound generated;
The immersion portion 210 of the fire extinguishing member 200 is,
An inlet 211 through which fire extinguishing water is injected, and an outlet 212 through which high-temperature water injected to cool the fire vehicle is discharged,
It is provided with a spray head 213 that sprays the fire extinguishing water supplied to both sides of the upper part in a fine spray,
A separate exhaust pipe 214 and an exhaust fan 215 are provided at the top to discharge combustion gas and high-temperature steam inside the immersion unit to the outside;
The smoke prevention shutter part 220 of the fire extinguishing member 200 is,
Forming a caterpillar 221 that moves to both sides to open and close the upper part of the immersion part 210, and a transmission part 222 that moves the caterpillar 221;
The water storage member 300 is,
An electric vehicle fire extinguishing system for a vehicle repair shop, characterized in that it is provided with a separate cooler (340) to cool the fire extinguishing water, and is configured to cool and circulate the high temperature fire extinguishing water discharged from the outlet (212).
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