CN113101565B - An intelligent fire extinguishing system for car fires at charging stations - Google Patents
An intelligent fire extinguishing system for car fires at charging stations Download PDFInfo
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- CN113101565B CN113101565B CN202110335026.1A CN202110335026A CN113101565B CN 113101565 B CN113101565 B CN 113101565B CN 202110335026 A CN202110335026 A CN 202110335026A CN 113101565 B CN113101565 B CN 113101565B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000007921 spray Substances 0.000 claims abstract description 67
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims description 34
- 239000003595 mist Substances 0.000 claims description 21
- 238000001931 thermography Methods 0.000 claims description 16
- 239000005357 flat glass Substances 0.000 claims description 3
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/08—Water curtains
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a charging station car conflagration intelligent fire extinguishing system, including flame detection monitored control system, spray fire extinguishing system and control management platform, spray fire extinguishing system includes water tank, water pipe, high-pressure water pump and is used for producing the shower nozzle of thin water smoke, the water inlet end of water pipe with the water tank is connected, high-pressure water pump locates on the water pipe, the shower nozzle with the water outlet end of water pipe is connected, the shower nozzle is including the shower nozzle group that is used for spraying the sun car body and the ground shower nozzle that is used for spraying sun car bottom group battery, a plurality of the shower nozzle group is located on the parking stall ceiling respectively, the shower nozzle group is equipped with a plurality of spray angle, spray pressure adjustable nozzle, a plurality of ground shower nozzle is located the parking stall subaerial respectively. The fire disaster damage control system can be used for extinguishing open fire or delaying the expansion of fire, preventing the fire from spreading to other vehicles or facilities, controlling the fire disaster damage to the minimum level and striving for valuable time for the arrival of fire rescue vehicles.
Description
Technical Field
The disclosure relates to the technical field of fire protection, in particular to an intelligent fire extinguishing system for a charging station automobile fire disaster.
Background
With the rapid increase of the number of electric vehicles, the fire disaster caused by the electric vehicles is also continuously rising. The battery pack of the pure electric vehicle is easy to cause spontaneous combustion accidents due to faults in the charging process. During charging, electric car fires may be initiated due to battery pack aging, damage, and short circuits. The ignition of the electric automobile is basically thermal runaway of a battery pack, namely, the battery short circuit firstly causes severe chemical reaction, heat accumulates in a narrow battery compartment to enable the battery to be heated and decomposed gas, so that the battery sealing pressure rises and rapidly expands and bursts, combustible gas and toxic gas are generated, the temperature reaches more than 1500 ℃, the battery compartment is immediately covered by burst, and after burst, the battery liquid, high-temperature air flow and oxygen meet to rapidly ignite inflammables in the automobile to form deflagration, and the whole automobile is ignited. The fire caused by the battery of the electric (car) vehicle works like a heating source, and continuously releases heat.
The exothermic reaction of the thermal runaway of the battery can be carried out without depending on oxygen, and the open flame is the fact that the reaction temperature of the battery ignites the surrounding inflammables. Therefore, the key point of suppressing the fire of the electric automobile is to thoroughly cool down the chemical reaction heat of the short circuit of the battery, cut off the temperature which is the key point element of the three elements (combustible, combustion supporting and temperature) of the fire, and cut off the oxygen of the combustion supporting to prevent the high temperature ignition. Therefore, the fire spread can be effectively controlled only by cutting off the two elements.
In the prior art, a common dry powder and CO2 fire extinguisher can only cut off the supply of oxygen, and has shorter spraying time, and once the spraying is finished, the fire disaster is reburned immediately because the exothermic reaction of the battery is still in progress and is still being heated. In view of the above, the inventor researches and designs an intelligent fire extinguishing system for a charging station automobile fire disaster.
Disclosure of Invention
The utility model provides a charging station car conflagration intelligent fire extinguishing system reaches the purpose of putting out a fire to the electric automobile of charging station fast through spraying a large amount of water mist.
According to one aspect of the disclosure, a charging station automobile fire intelligent fire extinguishing system comprises a flame detection monitoring system, a spray fire extinguishing system and a control management platform, wherein the flame detection monitoring system and the spray fire extinguishing system are respectively connected with the control management platform, when the flame detection monitoring system monitors a fire condition, signals are converted and then transmitted to the control management platform, the control management platform sends instructions to the spray fire extinguishing system to extinguish the fire, the spray fire extinguishing system comprises a water tank, a water pipe, a high-pressure water pump and a spray head for generating fine water mist, the water inlet end of the water pipe is connected with the water tank, the high-pressure water pump is arranged on the water pipe, the spray head is connected with the water outlet end of the water pipe, the spray head comprises a spray head group for spraying an automobile body and a ground spray head for spraying an automobile bottom battery pack, a plurality of spray head groups are respectively arranged on a parking space ceiling, and the spray head group is provided with a plurality of spray nozzles with adjustable spray angles and spray pressures, and a plurality of ground spray heads are respectively arranged on the parking space.
According to at least one embodiment of the present disclosure, the spray head group is provided with a first nozzle, a second nozzle and a third nozzle which are arranged from top to bottom, wherein the first nozzle is used for spraying a vehicle tail, the second nozzle is used in a spraying vehicle, and the third nozzle is used for spraying the vehicle tail, so as to form a fan-shaped water wall.
According to at least one embodiment of the disclosure, the flame detection monitoring system comprises a flame detector for identifying the ignition position, a data acquisition terminal for identifying the characteristics of a vehicle and a data intelligent analysis module, wherein the flame detector and the data acquisition terminal are connected with the control management platform through the data intelligent analysis module, a plurality of flame detectors are distributed on a parking space ceiling, the data acquisition terminal identifies whether the parking space is stopped or not and identifies the length, width, height and position information of the vehicle, the data intelligent analysis module analyzes the ignition position and the characteristics of the vehicle, the spray direction, pressure and distance of a spray head are calculated and adjusted, fine spray is formed for a long time as much as possible under the condition of limited water quantity, the fire is controlled not to spread, not to deteriorate and not to spread, and valuable time is strived for waiting for the arrival of a professional fire fighter.
According to at least one embodiment of the present disclosure, the intelligent fire extinguishing system further comprises an electrical fire monitoring system, the electrical fire monitoring system comprises an electrical fire monitoring detector for monitoring current and voltage, a residual current transformer and a temperature sensor, and the electrical fire monitoring detector, the residual current transformer and the temperature sensor are respectively connected with the control management platform.
According to at least one embodiment of the present disclosure, the intelligent fire extinguishing system further comprises a thermal imaging monitoring system, the thermal imaging monitoring system comprises infrared thermal imaging cameras, two infrared thermal imaging cameras are respectively installed on two sides of a parking space ceiling, and the infrared thermal imaging cameras are connected with the control management platform.
According to at least one embodiment of the present disclosure, the spray fire extinguishing system further comprises a hand-held water mist breaking and breaking penetration spray gun for breaking a vehicle window glass, and spraying fire extinguishing is performed in a vehicle.
According to at least one embodiment of the present disclosure, the spray head sprays fine water mist having a particle size dv0.99 of 200-400 microns.
According to at least one embodiment of the present disclosure, the control management platform includes a server, an operation host, and a user terminal, where the operation host and the user terminal are respectively connected to the server.
According to at least one embodiment of the present disclosure, the water tank is provided with a water level controller, and water is automatically replenished when the water storage capacity of the water tank is insufficient.
After adopting above-mentioned technical scheme, this disclosure has following beneficial effect:
According to the fire disaster prevention device, a large amount of fine water mist is sprayed, and the fine water mist can achieve the effects of rapidly cooling, blocking oxygen by water vapor to control open fire and shielding heat radiation under the triple effects of cooling, choking and heat radiation isolation, so that the fire disaster is prevented from spreading. The water mist spraying fire extinguishing system has the dual functions and advantages of water spraying and gas fire extinguishing, and is superior to the cooling function of the water spraying system and the continuous choking function of the gas fire extinguishing system, so that the comprehensive fire extinguishing effect is greatly superior to other fire extinguishing modes.
The fire disaster damage control system can be used for extinguishing open fire or delaying the expansion of fire, preventing the fire from spreading to other vehicles or facilities, controlling the fire disaster damage to the minimum level and striving for valuable time for the arrival of fire rescue vehicles.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram of the structure of the monitoring system of the present disclosure.
Fig. 2 is a schematic structural view of the sprinkler system of the present disclosure.
Detailed Description
The present disclosure is described in further detail below with reference to the drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant content and not limiting of the present disclosure. It should be further noted that, for convenience of description, only a portion relevant to the present disclosure is shown in the drawings.
In addition, embodiments of the present disclosure and features of the embodiments may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, the disclosure discloses a charging station vehicle fire intelligent fire extinguishing system, including flame detection monitoring system 1, spray fire extinguishing system 2 and control management platform, flame detection monitoring system 1 with spray fire extinguishing system 2 respectively with control management platform is connected, works as when flame detection monitoring system 1 monitors the condition of having a fire, transmits the signal after the conversion to control management platform, control management platform sends the instruction for spray fire extinguishing system 2 carries out the fire extinguishing, spray fire extinguishing system 2 includes water tank 21, water pipe 22, high-pressure water pump 23 and is used for producing thin shower nozzle 24 of water smoke, the water inlet end of water pipe 22 with water tank 21 is connected, high-pressure water pump 23 locates on water pipe 22, shower nozzle 24 with the water outlet end of water pipe 22 is connected, shower nozzle 24 includes and is used for spraying automobile body's shower nozzle group 241 and is used for spraying automobile bottom battery group's ground shower nozzle 242, a plurality of shower nozzle groups 241 are located respectively on ceiling 200, shower nozzle group 241 is equipped with a plurality of spray angle, spray pressure adjustable shower nozzle 242 is located respectively on ground parking stall 300.
According to at least one embodiment of the present disclosure, the nozzle set 241 is provided with a first nozzle 2411, a second nozzle 2412 and a third nozzle 2413 disposed from top to bottom, where the first nozzle is used for spraying the tail of the vehicle, the second nozzle is used in a spraying vehicle and the third nozzle is used for spraying the tail of the vehicle, so as to form a fan-shaped water wall, and realize full coverage spraying on the vehicle body. The nozzle group 241 further includes a solenoid valve for adjusting the injection angle and the injection pressure of the nozzle.
According to at least one embodiment of the present disclosure, the flame detection monitoring system 1 includes a flame detector 11 for identifying a fire position, a data acquisition terminal for identifying characteristics of a vehicle, and a data intelligent analysis module, wherein the flame detector 11 and the data acquisition terminal are connected with the control management platform through the data intelligent analysis module, a plurality of flame detectors 11 are distributed on a parking space ceiling, the data acquisition terminal identifies whether a vehicle is parked on the parking space and identifies length, width, height and position information of the vehicle, and the data intelligent analysis module analyzes the fire position and the characteristics of the vehicle, calculates and adjusts the spray direction, pressure and distance of a spray head, forms fine spray for a long time as long as possible under the condition of limited water quantity, controls the fire to not spread, not worsen and not spread, and strives for valuable time to wait for the arrival of a professional fire fighter.
According to at least one embodiment of the present disclosure, the thermal imaging monitoring system 3 includes an infrared thermal imaging camera 31, and one infrared thermal imaging camera is respectively installed at two sides of the parking space ceiling 200, and the infrared thermal imaging camera is connected with the control management platform.
The infrared thermal imaging camera 31 is used for assisting in monitoring the temperature of each charging pile, and alarming at the first time when the on-site flame temperature exceeds a fire early-warning value. Meanwhile, by combining the flame detection monitoring system, double pre-warning of each charging pile is realized, and when two devices, namely an infrared thermal imaging camera and a flame detector, are used for simultaneously warning fire information, the system can be directly linked with a spraying fire extinguishing system to realize fire extinguishing actions and reduce fire loss to the minimum.
According to at least one embodiment of the present disclosure, the electrical fire monitoring system includes an electrical fire monitoring detector for monitoring current and voltage, a residual current transformer, and a temperature sensor, which are respectively connected with the control management platform.
The electric fire monitoring detector is arranged on the secondary power distribution cabinet of each charging pile power supply system, so that the state monitoring of the electric circuit is realized, the fire accident caused by the electric circuit fault is prevented, the effective management of the charging station is realized, and the daily management level of fire control is improved.
According to at least one embodiment of the present disclosure, the spray fire extinguishing system further comprises a hand-held water mist breaking and breaking penetration spray gun for breaking a vehicle window glass, and spraying fire extinguishing is performed in a vehicle.
The manual breaking and disassembling function is adopted to break and disassemble the vehicle window by the water mist breaking and disassembling piercing spray gun and pierce the vehicle window to the battery bin to extinguish fire. The fine water mist is quickly evaporated after encountering high temperature, a large amount of heat is taken away, and meanwhile, a large amount of generated water vapor locally forms positive pressure to effectively prevent the supply of oxygen, so that the comprehensive effect (cooling and blocking the oxygen) can effectively extinguish the electric automobile on fire. The fine water mist is conveyed into the ignition space by breaking and disassembling (window breaking, perforation and tearing) important parts of the vehicle body, and the fine water mist is penetrated into the battery bin part by matching with the fine water mist breaking and disassembling piercing spray gun to directly support against the high temperature region of the thermal reaction of the battery. After the open fire is extinguished, the fine water mist is continuously sprayed, and all combustible materials and closed cabins (including a battery compartment, a trunk and a front chassis) in the vehicle are sprayed wet, so that the risk of re-ignition is effectively reduced. The combination of the equipment has good fire extinguishing effect on the fire disaster in the airtight space of the electric automobile and can not be reburned.
According to at least one embodiment of the present disclosure, the present disclosure further provides an equipment cabinet 4, where the equipment cabinet 4 is disposed beside the charging piles 100, a fire alarm host, a data storage device, a network transmission device and the like are disposed in the equipment cabinet, and an installation position of the equipment cabinet is a hollow position between two charging piles, and a cement foundation needs to be poured.
According to at least one embodiment of the present disclosure, the nozzle sprays fine water mist having a particle size dv0.99 of 200-400 microns. The flow rate of the nozzle is 6-10L/min, the angle of the jet umbrella is 40-90 degrees, and the penetrating distance is 5-9 meters.
According to at least one embodiment of the present disclosure, the control management platform includes a server, an operation host, and a user terminal, where the operation host and the user terminal are respectively connected to the server.
The user terminal provides real, effective and real-time alarming, fault and running information for users at all levels, realizes the organic combination of civil air defense and technical defense, and comprehensively improves the technological means of fire supervision and management. Different authorized users can conveniently check various system information such as water level of a water tank, pressure of a water pipe, fire-fighting equipment state, alarm information, on-duty conditions of on-duty personnel and the like after entering the platform.
According to at least one embodiment of the present disclosure, the water tank is provided with a water level controller, and water is automatically replenished when the water storage capacity of the water tank is insufficient.
The system is started under the action of flame or a temperature sensor signal, a charging power supply is firstly disconnected, a high-pressure pump set works, water mist is sprayed in a covering mode to accident vehicles to inhibit fire spreading, the accident vehicles are prevented from being spread to other vehicles, and after a person arrives in place, a hand-held water mist is used for breaking, tearing and puncturing a spray gun to break a car window, and puncturing to a battery bin to extinguish the fire.
The water spray fire-fighting system is different from the traditional water spray fire-fighting system, and if the water spray system is understood to be a two-dimensional fire-fighting system, namely the water spray system only statically covers one area from top to bottom, the water spray system is a dynamic three-dimensional fire-fighting system, namely the water spray system adopts a lateral and ground water spray technical scheme and simultaneously covers a vehicle body. When the combustion heat is encountered, the water mist flows along the direction of the hot flow field and participates in the heat convection circulation, the heat causes the water droplets to evaporate to generate steam, the droplets absorb heat vigorously under the action of vaporization latent heat at the moment of evaporation, and the temperature of the fire field and the steam are reduced and oxygen choking combustion is blocked at the same time.
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.
Claims (8)
1. The intelligent fire extinguishing system for the automobile fire at the charging station is characterized by comprising a flame detection monitoring system, a spray extinguishing system and a control management platform, wherein the flame detection monitoring system and the spray extinguishing system are respectively connected with the control management platform, when the flame detection monitoring system monitors a fire condition, signals are converted and then transmitted to the control management platform, the control management platform sends a command to the spray extinguishing system to extinguish the fire, the spraying fire extinguishing system comprises a water tank, a water pipe, a high-pressure water pump and spray heads for generating fine water mist, wherein the water inlet end of the water pipe is connected with the water tank, the high-pressure water pump is arranged on the water pipe, the spray heads are connected with the water outlet end of the water pipe, each spray head comprises a spray head group for spraying a vehicle body and a ground spray head for spraying a battery pack at the bottom of the vehicle, a plurality of spray head groups are respectively arranged on a parking space ceiling, each spray head group is provided with a plurality of spray nozzles with adjustable spray angles and spray pressures, and a plurality of ground spray heads are respectively arranged on the ground of the parking space;
The flame detection monitoring system comprises a flame detector for identifying the ignition position, a data acquisition terminal for identifying the characteristics of the vehicle and a data intelligent analysis module, wherein the flame detector and the data acquisition terminal are connected with the control management platform through the data intelligent analysis module, a plurality of flame detectors are distributed on a parking space ceiling, the data acquisition terminal identifies whether the parking space is stopped or not and identifies the length, width, height and position information of the vehicle, and the data intelligent analysis module is used for analyzing the ignition position and the characteristics of the vehicle and calculating and adjusting the jet direction, pressure and distance of the jet head.
2. The fire suppression system of claim 1, wherein the nozzle block is provided with a first nozzle, a second nozzle and a third nozzle disposed from top to bottom, the first nozzle being for spraying the tail, the second nozzle being for use in a spraying vehicle and the third nozzle being for use in spraying the tail to form a fan-shaped water wall.
3. The fire suppression system of claim 1, wherein the intelligent fire suppression system further comprises an electrical fire monitoring system comprising an electrical fire monitoring detector for monitoring current and voltage, a residual current transformer, and a temperature sensor, the electrical fire monitoring detector, the residual current transformer, and the temperature sensor being respectively connected to the control and management platform.
4. The fire suppression system of claim 1, wherein the intelligent fire suppression system further comprises a thermal imaging monitoring system, the thermal imaging monitoring system comprises infrared thermal imaging cameras, one infrared thermal imaging camera is arranged on each of two sides of a parking space ceiling, and the infrared thermal imaging cameras are connected with the control management platform.
5. The fire suppression system of claim 1, further comprising a hand-held fine mist break-open puncture spray gun for breaking a vehicle window glass to spray fire into a vehicle.
6. The fire suppression system of claim 1, wherein the spray head sprays fine water mist having a particle size dv0.99 of 200-400 microns.
7. The fire suppression system of claim 1, wherein the control and management platform comprises a server, an operation host, and a user terminal, the operation host and the user terminal being respectively connected to the server.
8. The fire suppression system of claim 1, wherein the water tank is provided with a water level controller to automatically replenish water when the water tank is under-stored.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110335026.1A CN113101565B (en) | 2021-03-29 | 2021-03-29 | An intelligent fire extinguishing system for car fires at charging stations |
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| CN202110335026.1A CN113101565B (en) | 2021-03-29 | 2021-03-29 | An intelligent fire extinguishing system for car fires at charging stations |
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| CN113101565B true CN113101565B (en) | 2025-01-10 |
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Families Citing this family (2)
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| CN114733111B (en) * | 2022-05-07 | 2023-08-15 | 深圳市智城创投新能源有限公司 | Electric scooter charging place fire extinguishing device |
| CN114954061B (en) * | 2022-06-29 | 2025-05-13 | 长沙理工大学 | A smart charging station that allows charging vehicles to leave risk areas |
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| CN208017988U (en) * | 2017-12-22 | 2018-10-30 | 重庆宝时得科技有限公司 | A kind of fire plant and charging station of new energy power station |
| CN211124290U (en) * | 2019-07-02 | 2020-07-28 | 河南瑞孚沃科技有限公司 | Intelligent full-parameter electrical fire monitoring and inhibiting system |
| CN112356697A (en) * | 2020-11-30 | 2021-02-12 | 华晨鑫源重庆汽车有限公司 | Charging station with fire protection function |
| CN215537951U (en) * | 2021-03-29 | 2022-01-18 | 重庆市元商科技发展有限公司 | Intelligent fire extinguishing system for automobile fire of charging station |
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| CN113101565A (en) | 2021-07-13 |
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