CN216908967U - Energy storage cabinet automatic fire extinguishing device - Google Patents
Energy storage cabinet automatic fire extinguishing device Download PDFInfo
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- CN216908967U CN216908967U CN202220134832.2U CN202220134832U CN216908967U CN 216908967 U CN216908967 U CN 216908967U CN 202220134832 U CN202220134832 U CN 202220134832U CN 216908967 U CN216908967 U CN 216908967U
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- fire extinguishing
- cabinet body
- detection assembly
- extinguishing agent
- cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses an automatic fire extinguishing device for an energy storage cabinet, and belongs to the technical field of fire fighting. The fire extinguishing agent storage assembly is arranged on the outer side of the cabinet body, the detection assembly is arranged on the inner wall of the cabinet body, and at least two groups of pressure detection assemblies are respectively arranged at the output end and the input end of the detection assembly; the internal hollow casing of cabinet for hold the lithium iron phosphate battery, fire extinguishing agent storage assembly fixes on the lateral wall of the cabinet body, survey the subassembly communicate in fire extinguishing agent storage assembly, survey the subassembly lay in the internal wall of cabinet, the pressure measurement subassembly is used for detecting and feedback detection subassembly internal pressure. When the temperature of a local fire in the cabinet body is increased, the detection assembly explodes under the action of external high temperature and internal pressure to form a nozzle to spray extinguishing agent, so that the temperature of the high-temperature area can be quickly reduced.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to an automatic fire extinguishing device for an energy storage cabinet.
Background
The lithium iron phosphate storage battery has the characteristics of small volume, light weight, high energy density, good sealing, no leakage, no memory effect, high discharge performance, low self-discharge rate, quick charging, long cycle life, wide working environment temperature range, environmental protection and the like, and at present, cabinets and energy storage cabinets containing iron phosphate lithium batteries are widely applied to communication center machine rooms, base stations, high-voltage direct current and UPS indoor distribution systems. And current rack fire-extinguishing apparatus on the market adopts after detecting smog, the independent signal of temperature more, and the fire control facility sprays gaseous fire extinguishing agent to whole application environment through predetermined shower nozzle, rather than spraying to the internal ignition point of cabinet or to the battery module that thermal runaway appears, though this type of fire-extinguishing apparatus has the effect of good putting out electric fire, can't last the cooling to the quick going on of the lithium iron phosphate battery that generates heat locally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic fire extinguishing device for an energy storage cabinet, aiming at overcoming the defects in the prior art and solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an automatic fire extinguishing device for an energy storage cabinet comprises a cabinet body; the cabinet body is internally provided with a hollow shell for containing a lithium iron phosphate battery;
the fire extinguishing agent storage assembly is arranged on the outer side of the cabinet body and fixed on the side wall of the cabinet body;
the detection assembly is arranged on the inner wall of the cabinet body and is communicated with the fire extinguishing agent storage assembly; the detection assembly is paved on the inner wall of the cabinet body; when the temperature of a local fire in the cabinet body is increased, the detection assembly in the high-temperature area is exploded to form a nozzle to spray extinguishing agent under the action of external high temperature and internal pressure;
the at least two groups of pressure detection assemblies are respectively arranged at the output end and the input end of the detection assembly; the pressure detection assembly is used for detecting and feeding back the internal pressure of the detection assembly.
Adopt above-mentioned technical scheme: the detection subassembly is tiled on the inside of the cabinet body, and under the control of pressure detection subassembly, make the inside specific pressure range that is in all the time of detection subassembly, when the internal certain lithium iron phosphate battery of cabinet is overheated, when the spontaneous combustion even, the detection subassembly is under the interact of temperature and pressure, it forms the jet to detect the subassembly blasting, spray fire extinguishing agent to the region that the internal temperature of cabinet rises, cool down the processing to the region that the temperature rises, the detection subassembly need not with the help of sensors such as aerosol sprayer or temperature controller, the region that the internal temperature of cabinet that can be quick rises cools down the temperature and handles, avoid chain reaction to arouse the conflagration.
Preferably, after the detection assembly is exploded, the protection range of the nozzle spraying the fire extinguishing agent is as follows: v ═ W × S/C
W: actual fire extinguishing agent usage; s: specific volume; c: design concentration uses different fire extinguishing agents according to the rack type of difference, and the regional cooling that rises to the temperature in the rack that can be quick is handled, simultaneously reduce cost.
Preferably, the detection assembly comprises:
the fixing buckles are arranged in the cabinet body;
the pipeline is arranged on the inner wall of the cabinet body through a fixing buckle; the pipeline is the S type and paves full the internal wall of cabinet, with the pipeline tiling on the inner wall of the cabinet body, when a certain lithium iron phosphate battery leads to the temperature to rise owing to circumstances such as overcharge in the rack, the temperature can be quick transmit to nearest pipeline around, the pipeline is under the interact of temperature and pressure, the blasting forms the blast hole, and the regional injection fire extinguishing agent that rises to the temperature cools down.
Preferably, the pipeline is made of a polyurethane composite material; when the pipeline is in the environment of 150-170 ℃, the pressure in the pipeline is 1.5-3.MPa, and the pipeline is exploded within 10-15 s to form the nozzle to spray the extinguishing agent.
Preferably, the lithium iron phosphate battery protection system further comprises an environment control system, wherein the environment control system is respectively in communication connection with the pressure detection assembly and the lithium iron phosphate battery, the pressure detection assembly is used for feeding back a pressure signal, tripping and power-off of the lithium iron phosphate battery are achieved, and unnecessary damage to other lithium iron phosphate batteries is avoided.
Has the advantages that: adopt fire extinguishing agent storage assembly to store fire extinguishing agent, and will survey the unit mount on the inner wall of the cabinet body, utilize detection subassembly and fire extinguishing agent storage assembly intercommunication, make and be full of fire extinguishing agent in the detection subassembly, the input and the output of detection subassembly install pressure detection subassembly respectively, ensure that the internal pressure of detection subassembly is in specific pressure range all the time, when the internal local temperature of cabinet risees, the quick blasting of detection subassembly under the interact of temperature and pressure, form the explosion vent of specific shape, the regional fire extinguishing agent that sprays of internal temperature rising of cabinet, need not under the condition with the help of any sensor, the spraying fire extinguishing agent of express delivery is cooled down the region that the cabinet body temperature rose.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a right side view of the present invention;
fig. 4 is a structural diagram in the blasting state of the present invention.
The reference numerals in fig. 1 to 4 are: cabinet body 1, fire extinguishing agent storage assembly 2, detection subassembly 3, pressure measurement subassembly 4, lithium cell 5, fixed 31, the pipeline 32 of detaining.
Detailed Description
In practical applications, the applicant has found that: the lithium iron phosphate storage battery has the characteristics of small volume, light weight, high energy density, good sealing, no leakage, no memory effect, high discharge performance, low self-discharge rate, quick charging, long cycle life, wide working environment temperature range, environmental protection and the like, and at present, cabinets and energy storage cabinets containing iron phosphate lithium batteries are widely applied to communication center machine rooms, base stations, high-voltage direct current and UPS indoor distribution systems. And current rack fire extinguishing apparatus on the market, adopt to detect smog more, behind the independent signal of temperature, fire control facility sprays gaseous fire extinguishing agent to whole application environment through predetermined shower nozzle, rather than spraying to the internal ignition point of cabinet or to the thermal runaway battery module that appears, this kind of fire extinguishing apparatus though has good effect of putting out electric fire, nevertheless can't last the cooling to the quick going on of the lithium iron phosphate battery that generates heat locally, to these problems, so invented an energy storage cabinet automatic fire extinguishing device, can effectually solve above-mentioned problem.
Referring to fig. 1 to 4, the present invention provides a technical solution: an automatic fire extinguishing device for an energy storage cabinet comprises a cabinet body 1, a fire extinguishing agent storage assembly 2, a detection assembly 3 and at least two groups of pressure detection assemblies 4, wherein the two groups of pressure detection assemblies 4 are adopted in the embodiment, and a hollow shell is arranged in the cabinet body 1 and used for containing a lithium iron phosphate battery 5;
a fire extinguishing agent storage component 2 is arranged on the outer side of the cabinet body 1, and the fire extinguishing agent storage component 2 is fixed on the side wall of the cabinet body 1 through a bottle hoop;
the detection assembly 3 is mounted on the inner wall of the cabinet body 1, the detection assembly 3 is communicated with the fire extinguishing agent storage assembly 2, so that the detection assembly 3 is filled with the fire extinguishing agent, and the detection assembly 3 is paved on the inner wall of the cabinet body 1; the two ends of the detection component 3 are respectively provided with a pressure detection component 4, namely one pressure detection component 4 is positioned between the fire extinguishing agent storage component 2 and the detection component 3, the other pressure detection component 4 is positioned at the other end of the detection component 3, the pressure inside the detection component 3 is detected by utilizing the pressure detection component 4, the pressure inside the detection component 3 is ensured to be always in a specific range, when a certain lithium iron phosphate battery 5 in the cabinet body 1 is overheated and even spontaneously combusted, the detection assembly 3 is exploded to form a jet orifice under the interaction of temperature and pressure, the fire extinguishing agent is sprayed to the area with the increased temperature in the cabinet body 1, the area with the increased temperature is cooled, the detection component 3 does not need to use a smoke sprayer or a temperature controller or other sensors, the temperature rising region in the cabinet body 1 can be quickly cooled, and the fire caused by chain reaction is avoided.
In a further embodiment, the detection assembly 3 comprises a plurality of fixing buckles 31 and a pipeline 32, and the pipeline 32 is mounted on the inner wall of the cabinet 1 through the plurality of fixing buckles 31; the pipeline 32 is S-shaped and is paved on the inner wall of the cabinet body 1, the pipeline 32 is paved on the inner wall of the cabinet body 1, and the pipeline 32 is made of a polyurethane composite material; when the pipeline 32 is in an environment of 150-170 ℃, the pressure in the pipeline is 1.5-3.MPa, the pipeline is exploded within 10-15 s to form a nozzle with a specific shape, fire extinguishing agents are sprayed to the area with the increased temperature in the cabinet body 1, when the temperature of a certain lithium iron phosphate battery 5 in the cabinet is increased due to overcharge and other conditions, the temperature can be rapidly transmitted to the periphery of the nearest pipeline 32, the pipeline 32 is exploded to form an explosion opening under the interaction of the temperature and the pressure, and the fire extinguishing agents are sprayed to the area with the increased temperature to cool.
Because the type of rack is different, the position of placing lithium iron phosphate battery 5 in the rack is also different, leads to when the 5 temperature rising of lithium cell in the rack even when the conflagration breaks out, the regional scope that need spray fire extinguishing agent in the rack is also different, in order to cool down the fire extinguishing treatment to lithium cell 5 in the different regional scope, detection subassembly 3 is after the blasting, and the spout sprays the protection scope of fire extinguishing agent: v ═ W × S/C
Wherein: w: actual fire extinguishing agent usage; s: specific volume; c: design concentration uses different fire extinguishing agents according to the rack type of difference, and the regional cooling that rises to the temperature in the rack that can be quick is handled, simultaneously reduce cost.
Because the temperature of part of lithium batteries 5 rises and needs to be cooled, but the lithium batteries 5 in other areas are still in a working state, and when the detection assembly 3 explodes to spray the fire extinguishing agent, the internal pressure of the detection assembly 3 continuously reduces, if the temperature of the lithium batteries 5 in other areas rises at this moment, the detection assembly 3 cannot timely cool the areas, so that the temperature of the lithium batteries 5 in the areas rises to cause fire, in order to avoid the situation of the fire, in a further embodiment, the system further comprises an environment control system, the environment control system is respectively in communication connection with the pressure detection assembly 4 and the lithium iron phosphate batteries 5, and the pressure detection assembly 4 is utilized to feed back pressure signals to the environment control system, so that all the lithium iron phosphate batteries 5 in the cabinet body 1 trip and are powered off, and unnecessary damage to other lithium iron phosphate batteries 5 is avoided.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.
Claims (5)
1. An energy storage cabinet automatic fire extinguishing device, its characterized in that includes:
a cabinet body; the cabinet body is internally provided with a hollow shell for containing a lithium iron phosphate battery;
the fire extinguishing agent storage assembly is arranged on the outer side of the cabinet body and fixed on the side wall of the cabinet body;
the detection assembly is arranged on the inner wall of the cabinet body and is communicated with the fire extinguishing agent storage assembly; the detection assembly is paved on the inner wall of the cabinet body; when the temperature of a local fire in the cabinet body is increased, the detection assembly in the high-temperature area is exploded to form a nozzle to spray extinguishing agent under the action of external high temperature and internal pressure;
the at least two groups of pressure detection assemblies are respectively arranged at the output end and the input end of the detection assembly; the pressure detection assembly is used for detecting and feeding back the internal pressure of the detection assembly.
2. An energy storage cabinet automatic fire extinguishing device according to claim 1, characterized in that: after the detection assembly is exploded, the protection range of the fire extinguishing agent sprayed by the nozzle is as follows: v ═ W × S/C
W: actual fire extinguishing agent usage; s: specific volume; c: the concentration is designed.
3. The automatic fire extinguishing device for the energy storage cabinet as claimed in claim 1, wherein: the detection assembly includes:
the fixing buckles are arranged in the cabinet body;
the pipeline is arranged on the inner wall of the cabinet body through a fixing buckle; the pipeline is S-shaped and is paved on the inner wall of the cabinet body.
4. An energy storage cabinet automatic fire extinguishing device according to claim 3, characterized in that: the pipeline is made of a polyurethane composite material; when the pipeline is in an environment of 150-170 ℃, the pressure in the pipeline is 1.5-3.MPa, and the pipeline is exploded within 10-15 s to form a nozzle to spray the fire extinguishing agent.
5. The automatic fire extinguishing device for the energy storage cabinet as claimed in claim 1, wherein: the lithium iron phosphate battery protection system is characterized by further comprising an environment control system, wherein the environment control system is respectively in communication connection with the pressure detection assembly and the lithium iron phosphate battery, and the pressure detection assembly is used for feeding back a pressure signal to the environment control system so as to realize tripping and power-off of the lithium iron phosphate battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134832.2U CN216908967U (en) | 2022-01-19 | 2022-01-19 | Energy storage cabinet automatic fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220134832.2U CN216908967U (en) | 2022-01-19 | 2022-01-19 | Energy storage cabinet automatic fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908967U true CN216908967U (en) | 2022-07-08 |
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ID=82263005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220134832.2U Active CN216908967U (en) | 2022-01-19 | 2022-01-19 | Energy storage cabinet automatic fire extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216908967U (en) |
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2022
- 2022-01-19 CN CN202220134832.2U patent/CN216908967U/en active Active
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