CN108721808B - Fire extinguishing box and fire extinguishing method - Google Patents
Fire extinguishing box and fire extinguishing method Download PDFInfo
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- CN108721808B CN108721808B CN201810879007.3A CN201810879007A CN108721808B CN 108721808 B CN108721808 B CN 108721808B CN 201810879007 A CN201810879007 A CN 201810879007A CN 108721808 B CN108721808 B CN 108721808B
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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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- Business, Economics & Management (AREA)
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a fire extinguishing box which comprises an upper layer box body and a lower layer box body, wherein a partition plate is arranged between the upper layer box body and the lower layer box body, fire extinguishing liquid is contained in the upper layer box body, a plurality of liquid outlets are formed in the partition plate, a switch is installed at each liquid outlet, a plurality of sensors are arranged on one side, facing the lower layer box body, of the partition plate, the sensors are used for detecting whether a device to be extinguished burns or not and transmitting signals to a control device, the bottom of the lower layer box body is open, a pressure relief opening is formed in the side wall of the lower layer box body, the lower layer box body is placed at the top of the device to be extinguished, and a; the control device is electrically connected with the sensor and the switch, and the control device controls the switch to be turned on or off according to signals transmitted by the sensor. The fire extinguishing box has the advantages of high fire extinguishing efficiency, high water utilization rate and safer fire extinguishing process.
Description
Technical Field
The invention relates to a fire extinguishing device, in particular to a fire extinguishing box.
Background
The lithium ion battery has the following characteristics when in ignition and combustion: the combustion is violent, high temperature and high pressure are generated, the control is difficult, and deflagration and explosion sometimes occur; the combustion duration is long; the flowing fire occurs; a large amount of dense smoke and dust are generated, and secondary explosion danger exists; the product is complex and difficult to quantitatively analyze; oxygen is separated out during combustion, the oxygen reacts in the battery pack, continuous combustion can be realized without external oxygen supply, and the fire extinguishment failure is realized by an isolation method and a suffocation method.
At present, the adoption of a large amount of water is generally considered to be the most effective method for extinguishing the fire of the lithium ion battery, but how the water enters the battery pack becomes a difficult problem. If an automatic water spraying system is adopted, a large amount of water cannot be accurately and effectively sprayed to the holes, a large amount of dense smoke and dust can only be discharged by a smoke exhaust fan, and the fire extinguishing efficiency is also very low. If adopt manual fire extinguishing's mode, can be with the comparatively accurate spout of water in the squirt to flame department, but in the battery of security personnel discovery burn through the battery package shell, begin to connect the hosepipe immediately, erect the squirt, go out the water and put out a fire, in the time that the security personnel began to spray water is burnt through to the battery package shell, the battery can spout the flame of high temperature and a large amount of dense smoke and dust, endangers security personnel self safety. Simultaneously, because the hole of burning through is less, the battery burning duration can be longer, and only few partial hydroenergy gets into the battery package from the hole of burning through and plays the effect of cooling battery and dilution reactant, and a large amount of water can cause the water stain loss, all is under the environment of electrical equipment around especially, and the water stain loss can be bigger, and the rate of utilization of water is very low.
Disclosure of Invention
The invention aims to solve the problems of low fire extinguishing efficiency and water utilization rate of the conventional fire extinguishing device and the problems that the safety of operators is damaged in the fire extinguishing process, and the like of the conventional fire extinguishing device, improve the fire extinguishing efficiency and the water utilization rate and ensure safer fire extinguishing process.
The object of the present invention and the technical problem to be solved are achieved by the following technical means. The fire extinguishing box provided by the invention comprises
An upper layer box body and a lower layer box body, a clapboard is arranged between the upper layer box body and the lower layer box body,
the upper layer box body is filled with fire extinguishing liquid,
the clapboard is provided with a plurality of liquid outlets, each liquid outlet is provided with a switch, one side of the clapboard facing the lower layer box body is provided with a plurality of sensors, the sensors are used for detecting whether the device to be extinguished burns or not and transmitting signals to the control device,
the bottom of the lower layer box body is open, the side wall of the lower layer box body is provided with a pressure relief opening, the lower layer box body is placed at the top of the device to be extinguished, a closed space is formed between the lower layer box body and the top of the device to be extinguished,
and the control device is electrically connected with the sensor and the switch, and controls the switch to be turned on or off according to the signal transmitted by the sensor.
In the fire extinguishing box, the switch is an electromagnetic valve.
The fire extinguishing box, wherein the sensor is a temperature sensor or a smoke sensor.
The bottom of the lower-layer box side wall is used for fixing the top of the fire extinguishing device to the bottom, and the bottom of the lower-layer box side wall is provided with the sealing strip used for sealing the top of the fire extinguishing device to the bottom.
In the fire extinguishing box, the area of the bottom surface of the lower-layer box body is smaller than or equal to the area of the top surface of the fire extinguishing device, the bottom of the side wall of the lower-layer box body is provided with the turned edges, and the sealing strips are arranged at the turned edges.
In the fire extinguishing box, the top of the fire extinguishing device is provided with the connecting end, the bottom area of the lower-layer box body is larger than the top area of the connecting end, the lower-layer box body bottom is sleeved on the connecting end, and the sealing strips are arranged at the bottom of each side wall of the lower-layer box body.
In the fire extinguishing box, the pressure relief port is located on any side wall of the lower box body close to the partition plate.
In the fire extinguishing box, the device to be extinguished is a battery pack.
The invention relates to a fire extinguishing method, which comprises the following steps:
after the fire extinguishing device is on fire, the top of the fire extinguishing device is burnt through,
the signal of burning through of the side wall of the device to be extinguished is detected and then transmitted to the control device,
the control device controls the switch at the liquid outlet on the partition plate of the lower fire extinguishing box to be opened, and the fire extinguishing liquid flows into the lower box body from the upper box body of the fire extinguishing box and then enters the device to be extinguished through the hole formed by burning through the side wall of the device to be extinguished.
The fire extinguishing method, wherein the fire extinguishing liquid is water.
According to the fire extinguishing method, after the device to be extinguished fires, the pressure relief port of the device to be extinguished sprays dense smoke, and after the smoke sensor knows that the smoke exhaust fan is started.
The fire extinguishing method is characterized in that the device to be extinguished is a battery pack.
By the technical scheme, the invention at least has the following advantages and beneficial effects:
(1) the fire extinguishing box comprises the upper layer box body and the lower layer box body, fire extinguishing liquid is contained in the upper layer box body, the sensor is installed on the partition plate, the pressure relief opening is formed in the lower layer box body, when a battery pack burns, the battery pack is combined with the fire extinguishing box, the fire extinguishing liquid in the upper layer box body enters the lower layer box body and flows into the battery pack through a hole formed by burning through the battery pack, the battery is directly cooled, and reactants are directly diluted.
Drawings
FIG. 1 is a schematic view of a fire extinguishing box of the present invention in a split structure;
FIG. 2 is a schematic view of the overall construction of the fire suppression box of the present invention;
fig. 3 is a structural schematic diagram of the fire extinguishing box of the invention in a use state.
[ notation ] to show
10: upper case 20: lower layer box
30: the partition plate 21: pressure relief port
31: liquid outlet 22: crimping
32: the sensor 40: battery pack
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, features and effects of the fire extinguishing box according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, 2 and 3, the fire extinguishing box of the present invention comprises an upper box 10, a lower box 20 and a control device, wherein a partition 30 is disposed between the upper box 10 and the lower box 20, the upper box 10 contains fire extinguishing liquid, the partition 30 is provided with a plurality of liquid outlets 31, each of which is provided with a switch, one side of the partition 30 facing the lower box 20 is provided with one or more sensors 32, the sensor 32 is used for detecting whether a battery pack is burned or not, and transmits the signal to the control device, the bottom of the lower layer box 20 is open, the side wall of the lower layer box 20 is provided with a pressure relief opening 21, the lower layer box 20 is placed on the top of the device to be extinguished, taking the device to be extinguished as a battery for a vehicle as an example, when the fire extinguishing box is placed on the top of the battery 40, a closed space is formed between the lower box body 20 and the top of the battery 40, the control device is electrically connected with the sensors 32 and the switches, and the control device controls the switches to be turned on or off according to signals transmitted by the sensors 32. Specifically, the partition 30 is welded to the upper case 10 and the lower case 20, and instead, the partition 30 may be integrally formed with the upper case 10 and the lower case 20 or fixed to each other by other methods. The sensor 32 may be a temperature sensor, a smoke sensor, or other sensor capable of sensing whether the battery is burning or not. The switch adopts an electromagnetic valve, and other valves which can be controlled by the control device can be adopted as the switch instead. The fire extinguishing liquid is water, and other fire extinguishing liquids with better fire extinguishing effect can be adopted instead.
When a battery in the power station or the warehouse is burnt, a certain amount of dense smoke can be sprayed out of the battery pressure relief opening, the smoke sensor close to the battery pressure relief opening in the power station or the warehouse is informed, and the smoke exhaust fan is started. At the moment, the battery pack is tightly combined with the fire extinguishing box, and after the battery pack burns and burns through the upper surface, heat, electrolyte and reaction products are sprayed out from the burnt holes. The sensor at the bottom of the partition board 30 detects the signal and transmits the signal to the control device, the switch at the liquid outlet is opened under the control of the control device, and the fire extinguishing liquid in the upper layer box body of the fire extinguishing box flows into the lower layer box body from the liquid outlet. Fire extinguishing liquid is accumulated in a lower box body, and because the burning of the battery pack does not completely and uniformly spray at a constant pressure when the burning products and a small amount of reactants are sprayed outwards through the burnt holes, the fire extinguishing liquid flows out through the pressure relief port to enter the battery pack, and the reaction is diluted, cooled and burnt, so that the reaction rate is rapidly reduced until the reaction is terminated. The fire extinguishing box disclosed by the invention is used for extinguishing fire, the fire is quickly and timely extinguished, the fire cannot spread, a large amount of dense smoke cannot be ejected, no open fire, no thermal radiation and no water damage exist, a plurality of battery packs can completely share one fire extinguishing box, and when the battery packs have fire hazards, the battery packs and the fire extinguishing box are combined according to specific facilities in a warehouse. The fire extinguishing box and the battery pack are combined: the self weight of the fire extinguishing box is utilized, and if a single battery pack is used, the fire extinguishing box can be placed on the battery pack. If the number of the battery packs is multiple, the fire extinguishing box can be fixed, and the battery packs are lifted to the lower part of the fire extinguishing box by using a specific facility to be combined with the fire extinguishing box.
In one embodiment, the bottom of the side wall of the lower housing 20 is used to fix the top of the device to be extinguished, and the bottom of each side wall of the lower housing 20 is provided with a sealing strip for sealing with the top of the device to be extinguished. When the fire extinguishing box is placed on the top of the battery pack, the bottom of each side wall of the lower box body 20 and the top of the battery pack are sealed with each other.
In one embodiment, the lower housing 20 has a bottom surface area smaller than the top surface area of the device to be extinguished, and the bottom of each sidewall of the lower housing 20 is provided with a bead 22, and each of the sealing strips is disposed at each bead 22.
In one embodiment, the top of the device to be extinguished is provided with the connection end, the bottom surface area of the lower tank 20 is larger than the top surface area of the connection end, the bottom of the lower tank 20 is used for being sleeved on the connection end, and the bottom of each side wall of the lower tank 20 is provided with a sealing strip for sealing the connection end with each other. When the fire extinguishing box is placed on the top of the battery pack, the bottom and the connecting ends of the side walls of the lower box body 20 are sealed with each other.
In one embodiment, the pressure relief vent 21 is disposed on either side wall of the lower housing 20 adjacent to the partition 30.
The invention also relates to a fire extinguishing method, comprising the following steps:
after the fire extinguishing device is on fire, the top of the fire extinguishing device is burnt through,
the signal of burning through the top of the device to be extinguished is detected and then transmitted to the control device,
the switch at the liquid outlet on the baffle plate of the fire extinguishing box is opened under the control of the control device, fire extinguishing liquid flows into the lower box body from the upper box body of the fire extinguishing box, and then enters the fire extinguishing device through the hole on the side wall of the fire extinguishing device after being burnt through until the fire is extinguished.
In one embodiment, after the device to be extinguished fires, the pressure relief port of the device to be extinguished sprays dense smoke, and the smoke exhaust fan is started after the smoke sensor knows the dense smoke.
In one embodiment, the device to be extinguished is a battery pack.
Specifically, the fire extinguishing liquid adopts water or other fire extinguishing liquid with good fire extinguishing effect and low cost.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (16)
1. A fire extinguishing box is characterized in that: comprises that
An upper layer box body (10) and a lower layer box body (20), a clapboard (30) is arranged between the upper layer box body (10) and the lower layer box body (20),
the upper layer box body (10) is filled with fire extinguishing liquid,
a plurality of liquid outlets are arranged on the clapboard (30), a switch is arranged at each liquid outlet,
the bottom of the lower layer box body (20) is open, the lower layer box body (20) is placed at the top of the device to be extinguished, a closed space is formed between the lower layer box body (20) and the top of the device to be extinguished,
right treat the extinguishing device fire extinguishing process, fire extinguishing liquid flows into lower floor's box (20) and treats that the extinguishing device top forms airtight space from fire extinguishing box upper box (10), and the hole entering after treating the extinguishing device top and burning through puts out a fire in treating the extinguishing device again.
2. A fire suppression box according to claim 1, wherein: the side wall of the lower layer box body (20) is provided with a pressure relief opening (21).
3. A fire suppression box according to claim 1, wherein: one side of the partition plate (30) facing the lower-layer box body (20) is provided with one or more sensors, the sensors are used for detecting whether the device to be extinguished burns or not and transmitting signals to a control device, the control device is electrically connected with the sensors and a switch, and the control device controls the switch to be turned on or turned off according to the signals transmitted by the sensors.
4. A fire suppression box according to claim 1, wherein: the switch is an electromagnetic valve.
5. A fire suppression box according to claim 1, wherein: the fire extinguishing liquid is water.
6. A fire box according to claim 3, wherein: the sensor is a temperature sensor or a smoke sensor.
7. A fire suppression box according to claim 1, wherein: a smoke sensor is arranged at a pressure relief opening of the device to be extinguished.
8. A fire suppression box according to claim 1, wherein: the bottom of lower floor's box (20) lateral wall is used for and waits that the extinguishing device top is fixed each other, the bottom of lower floor's box (20) lateral wall sets up and is used for and waits that the extinguishing device top mutual sealed sealing strip.
9. The fire box of claim 8, wherein: the area of the bottom surface of the lower-layer box body (20) is smaller than or equal to the area of the top surface of the device to be extinguished, the bottom of the side wall of the lower-layer box body (20) is provided with a turned edge (22), and the sealing strips are arranged at the turned edges (22).
10. The fire box of claim 8, wherein: the top of the device to be put out a fire is provided with a connecting end, the bottom surface area of the lower layer box body (20) is larger than the top surface area of the connecting end, the bottom of the lower layer box body (20) is sleeved on the connecting end, and each sealing strip is arranged at the bottom of each side wall of the lower layer box body (20).
11. A fire suppression box according to claim 2, wherein: the pressure relief port (21) is positioned at one side or a plurality of sides of the lower-layer box body (20) close to the partition plate (30).
12. A fire suppression box according to claim 1, wherein: the device to be extinguished is a battery pack (40).
13. A fire extinguishing method of a fire extinguishing chamber according to claim 1, characterized in that:
after the fire extinguishing device is on fire, the top of the fire extinguishing device is burnt through,
the signal of burning through the top of the device to be extinguished is detected and then transmitted to the control device,
the control device controls the switch at the liquid outlet of the lower fire extinguishing box partition plate to be opened, and the fire extinguishing liquid flows into the lower box body from the upper box body of the fire extinguishing box and then enters the fire extinguishing device through the hole formed in the top of the fire extinguishing device after being burnt through.
14. A method of extinguishing a fire in a fire box according to claim 13, wherein:
the fire extinguishing liquid is water.
15. A method of extinguishing a fire in a fire box according to claim 13, wherein:
after the fire extinguishing device fires, dense smoke is sprayed out of a pressure relief opening of the fire extinguishing device, and after the dense smoke is known by a smoke sensor, a smoke exhaust fan is started.
16. A method of extinguishing a fire in a fire box according to claim 13, wherein:
the device to be extinguished is a battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810879007.3A CN108721808B (en) | 2018-08-03 | 2018-08-03 | Fire extinguishing box and fire extinguishing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810879007.3A CN108721808B (en) | 2018-08-03 | 2018-08-03 | Fire extinguishing box and fire extinguishing method |
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| CN108721808A CN108721808A (en) | 2018-11-02 |
| CN108721808B true CN108721808B (en) | 2021-01-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112138306B (en) * | 2019-06-26 | 2022-08-09 | 湖北德普智能装备有限公司 | Truss-like battery package automatic fire extinguishing device |
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| JP2014090782A (en) * | 2012-11-01 | 2014-05-19 | Hochiki Corp | Electric power storage system |
| CN104309968A (en) * | 2014-10-11 | 2015-01-28 | 中山市福瑞特科技产业有限公司 | Fireproof garbage can |
| CN104361975A (en) * | 2014-11-05 | 2015-02-18 | 国家电网公司 | Transformer fire extinguishing protection device |
| CN105457206A (en) * | 2015-12-30 | 2016-04-06 | 西安必施恩能源科技有限公司 | Top cover type fire extinguishing device for equipment cabinet |
| CN206179936U (en) * | 2016-10-20 | 2017-05-17 | 上海方德尚动新能源科技有限公司 | A fire prevention case for power battery |
| CN208852287U (en) * | 2018-08-03 | 2019-05-14 | 蔚来汽车有限公司 | Fire extinguishing box |
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2018
- 2018-08-03 CN CN201810879007.3A patent/CN108721808B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014090782A (en) * | 2012-11-01 | 2014-05-19 | Hochiki Corp | Electric power storage system |
| CN104309968A (en) * | 2014-10-11 | 2015-01-28 | 中山市福瑞特科技产业有限公司 | Fireproof garbage can |
| CN104361975A (en) * | 2014-11-05 | 2015-02-18 | 国家电网公司 | Transformer fire extinguishing protection device |
| CN105457206A (en) * | 2015-12-30 | 2016-04-06 | 西安必施恩能源科技有限公司 | Top cover type fire extinguishing device for equipment cabinet |
| CN206179936U (en) * | 2016-10-20 | 2017-05-17 | 上海方德尚动新能源科技有限公司 | A fire prevention case for power battery |
| CN208852287U (en) * | 2018-08-03 | 2019-05-14 | 蔚来汽车有限公司 | Fire extinguishing box |
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| CN108721808A (en) | 2018-11-02 |
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