CN211962859U - Local total flooding cooperative fire extinguishing device - Google Patents
Local total flooding cooperative fire extinguishing device Download PDFInfo
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- CN211962859U CN211962859U CN201921504718.9U CN201921504718U CN211962859U CN 211962859 U CN211962859 U CN 211962859U CN 201921504718 U CN201921504718 U CN 201921504718U CN 211962859 U CN211962859 U CN 211962859U
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Abstract
The utility model discloses a local fire extinguishing device who floods protection in coordination entirely to lithium cell container energy storage fire extinguishing systems is for the object, including energy storage container, locate the lithium cell module in the energy storage container, locate induction system in the container and the fire extinguishing device who is connected with induction system, a serial communication port, induction system includes the fire detection pipe, fire extinguishing device includes fire extinguisher bottle group, and the fire detection pipe is one kind and reaches the hose that the breach can appear of settlement temperature, and balanced pipe termination is on the container valve, and another termination communicates with hose coupling assembling I, hose coupling assembling II department respectively through the tee bend, and after the installation of fire extinguishing device, the fire detection pipe, balanced intraductal can be filled with certain pressure, makes fire extinguishing agent container valve, distribution valve reach certain balanced state, lower part, upper portion and lateral part are equipped with cavity A respectively in the container valve, Cavity B, cavity C.
Description
Technical Field
The utility model relates to a extinguishing device field relates to a local fire extinguishing device in coordination that floods entirely.
Background
With the development of science and technology and the progress of times, the technical innovation of the application field of the lithium battery is also changing day by day, the lithium battery in the existing market has the advantages of large energy density, high output power, long charging and discharging service life and the like, is widely applied to the fields of traffic power, electric power energy storage, mobile communication and the like, and is developed to become a part of the energy strategic emerging industry of China. However, with the deep application of lithium batteries in engineering, the fire safety problem is increasingly prominent, and since lithium batteries are energetic substances, especially when the lithium batteries are overheated, short-circuited, extruded and the like, a large amount of heat is generated to initiate chain reaction of internal electrode materials and electrolyte, so that thermal runaway occurs and large-scale fire and explosion accidents are developed.
At present, to lithium battery energy storage system's fire control safety design, lack the characteristic to the lithium battery conflagration to carry out the analysis, lack the overall arrangement characteristic of fire extinguishing systems design and energy storage system and combine together, mostly still adopted traditional electric fire to design, adopt cabinet type gas extinguishing device and direct type to visit firetube extinguishing device. Through engineering application investigation and fire extinguishing test analysis, the existing device is found to have the following obvious defects: the cabinet type fire extinguishing device is basically arranged at the door opening corner of a container, aiming at the long and narrow occasions of energy storage of a lithium battery container, if the width of a 40-foot energy storage container is 2.4 meters, the length of the container is 12 meters, the length of the container is seriously beyond the protection radius of the cabinet type fire extinguishing device, a protection dead angle exists, and a heptafluoropropane fire extinguishing agent sprayed by the cabinet type fire extinguishing device belongs to a gas fire extinguishing agent, cannot be applied to local spraying, is difficult to reach a pack box in time during fire extinguishing, and is not beneficial to controlling fire at the first time; direct fire detection tube extinguishing device, through many times of experimental tests, it can reach extinguishing agent concentration of putting out a fire fast in local minizone, and fire control effect is good, but because of the influence of its arrangement of release pipe, pipe diameter etc. can not be fine carry out all-round protection to whole energy storage cabinet, and fire detection tube often needs the conflagration to last 3 ~ 5 seconds the breach just can appear, and response speed is slower, but lithium cell conflagration spreads rapidly, very easily causes large tracts of land conflagration, therefore is unfavorable for whole fire protection.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a local totally-submerged cooperative extinguishing device, one kind can be quick effectual implement local point-to-point quick fire extinguishing, can be to the battery conflagration again and stretch to other energy storage cabinet when regional, implement the novel extinguishing device of totally-submerged protection.
The following technical scheme is provided for solving the problem: a fire extinguishing device with local total flooding cooperative protection is an object of a lithium battery container energy storage fire extinguishing system, and comprises an energy storage container, a lithium battery module arranged in the energy storage container, a sensing device arranged in the container and a fire extinguishing device connected with the sensing device, and is characterized in that the sensing device comprises a fire detecting pipe, the fire extinguishing device comprises a fire extinguisher bottle group, the fire detecting pipe is a hose with a broken opening when reaching a set temperature, one end of the fire detecting pipe is arranged along the periphery of the module, a leak detection device is arranged at the tail end of the fire detecting pipe, the other end of the fire detecting pipe is connected with a hose connecting component of a distribution valve, a spray pipeline is arranged at the top of the container, one end of the spray pipeline is provided with a nozzle, the other end of the spray pipeline is connected with a connecting valve seat of the fire extinguisher bottle group, one end of a balance, after the fire extinguishing device is installed, the fire detecting pipe and the balance pipe are filled with certain pressure, so that the fire extinguishing agent container valve and the distribution valve reach a certain balance state, and the lower part, the upper part and the lateral part in the container valve are respectively provided with a cavity A, a cavity B and a cavity C. When a battery module breaks out a fire, the fire detecting pipe can take the lead of the occurrence of the breach discharge pressure at the highest temperature position, the gas in the cavity B on the container valve flows to the cavity C together with the gas in the cavity D through the balance pipe, and the pressure is relieved through the breach, so that the container valve cavity A and the cavity B are unbalanced and the valve core is started, the fire extinguishing agent in the cavity A flows to the cavity C, and when the cavity D is decompressed, the limiting pin in the limiting device is separated from the sealing plug under the action of the spring, the limiting effect is cancelled, the sealing plug is separated from the sealing surface under the action of the pressure of the fire extinguishing agent in the cavity B, thereby one part of the fire extinguishing agent in the cavity C is locally protected from the flow of the fire detecting pipe to the breach, the other part of the fire extinguishing agent is widely protected through the flow of the spraying pipeline to the nozzle.
As an improvement, the distribution valve on be equipped with a plurality of hose coupling assembling and end cap, can be as required, install many simultaneously and visit firetube for protect a plurality of battery module simultaneously, be equipped with the check valve between cavity C and the hose coupling assembling. The one-way valve controls the gas to flow to the cavity C only from the balance pipe and can not flow backwards.
As an improvement, one end of a pipeline connecting piece connected with the valve seat is connected with the distribution valve, the other end of the pipeline connecting piece is connected with a spraying pipeline, a sealing plug is arranged in the connecting valve seat, one end of the sealing plug is provided with a sealing piece to realize radial sealing with the pipeline connecting piece, the sealing performance of the fire extinguishing device in a standby working state is ensured, the other end of the pipeline connecting piece is in clearance fit with the pipeline connecting piece, an opening is formed in the end face of the pipeline connecting piece, the fire extinguishing device can be smoothly separated from the sealing face under the action force of a cavity C when being sprayed.
As an improvement, be provided with stop device (11) on connecting pipe subassembly I, stop device one end be connected with the pipeline connecting piece, the other end is connected with the hose connection spare, be provided with cavity D in the stop device, cavity D export is provided with the compression spring of spacer pin and connection spacer pin. Normally wait man-hour, atmospheric pressure in the cavity D acts on the spacer pin, and compression spring makes the spacer pin pass pipeline connecting piece wall hole, and the restriction sealing plug removes, and when the pressure in the cavity D was released, the spacer pin was thrown off with the sealing plug under the effect of spring, cancellation limiting displacement.
The technical scheme that this patent adopted, its beneficial effect lies in: to lithium battery energy storage system conflagration characteristic, the utility model discloses the scheme provides a pair of can be quick effectual implement local point-to-point quick fire extinguishing, can be to the battery conflagration again when stretching to other energy storage cabinet regions, implement the novel extinguishing device of total flooding protection, to all-round protection lithium battery energy storage system, promote its market scale and use crucial, the meaning is far away.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of the present apparatus in an installed state;
FIG. 2 is a schematic diagram of the present apparatus;
FIG. 3 is a schematic view of the construction of a container valve;
FIG. 4 is a schematic view of the structure of the dispensing valve;
fig. 5 is a schematic view of the sealing plug.
Description of the drawings: energy storage container (1), lithium cell module (2), the pipeline (3) are put in the blowout, visit firetube (4), fire extinguishing agent bottle group (5), container valve (10), be equipped with distributing valve (7) on container valve (10), tee bend (8), balance pipe (9), be equipped with on distributing valve (7) tube coupling spare (71), sealing plug (72), hose coupling spare (73), end cap (74) to and some sealing members commonly used.
Detailed Description
As shown in figures 1-5, a fire extinguishing apparatus with local total flooding cooperative protection, which takes a lithium battery container energy storage fire extinguishing system as an object, comprises an energy storage container 1, a lithium battery module 2 arranged in the energy storage container, an induction device arranged in the container and a fire extinguishing apparatus connected with the induction device, wherein the induction device comprises a fire detecting tube 4, the fire extinguishing apparatus comprises a fire extinguisher bottle group 5, the fire detecting tube 4 is a hose which can generate a breach 41 when reaching a set temperature, one end of the fire detecting tube is arranged along the periphery of the module 2, the tail end of the fire detecting tube is provided with a leak detection device 6, the other end of the fire detecting tube is connected with a hose connecting component I731 of a distribution valve 7, a spraying pipeline 3 is arranged at the top of the container, one end of the fire detecting tube is provided with a nozzle 31, the other end of the fire detecting tube is connected with a connecting valve seat 71 of the fire extinguisher bottle, The hose connecting assembly II 732 is communicated, after the fire extinguishing apparatus is installed, the fire detecting pipe 4 and the balance pipe 9 are filled with certain pressure, so that the fire extinguishing agent container valve 10 and the distribution valve 7 reach a certain balance state, and the lower part, the upper part and the side part in the container valve are respectively provided with a cavity A, a cavity B and a cavity C. When a fire disaster occurs to the battery module 2, the fire detecting pipe 4 can firstly generate the pressure released from the break 41 at the highest temperature, the gas in the cavity B on the container valve 9 flows to the cavity C together with the gas in the cavity D through the balance pipe 9, and is decompressed through the break 41, so that the container valve cavity a and the cavity B are unbalanced, the valve core is started, the fire extinguishing agent in the cavity a flows to the cavity C, and when the cavity D is decompressed, the limiting pin 111 in the limiting device 11 is separated from the sealing plug 72 under the action of the spring 112, the limiting effect is cancelled, the sealing plug 111 is separated from the sealing surface under the action of the pressure of the fire extinguishing agent in the cavity B, so that one part of the fire extinguishing agent in the cavity C flows to the break 41 from the fire detecting pipe 4 to perform local protection, the other part flows to the nozzle 31 through the blowing pipeline 3 to perform large-range protection, and is rapidly blown to the protection area.
In this embodiment, the distribution valve 7 is provided with a plurality of hose connecting assemblies 73 and plugs 74, and a plurality of fire detecting pipes 4 can be installed simultaneously as required to protect a plurality of battery modules 2 simultaneously, and a check valve 75 is provided between the cavity C and the hose connecting assemblies 73. The check valve 75 controls the gas to flow only from the balance tube 9 to the chamber C, but not to flow backwards.
In this embodiment, one end of the pipeline connecting piece of the connecting valve seat 71 is connected with the distribution valve 7, the other end of the pipeline connecting piece is connected with the spraying pipeline 3, a sealing plug 72 is arranged in the connecting valve seat, one end of the sealing plug 72 is provided with a sealing piece to realize radial sealing with the pipeline connecting piece, so that the sealing performance of the fire extinguishing device in a standby working state is ensured, the other end of the pipeline connecting piece is in clearance fit with the pipeline connecting piece, an opening is formed in the end face of the pipeline connecting piece, so that the fire extinguishing device can be smoothly separated from the sealing face under the action force of the cavity.
In this embodiment, one end of the limiting device 11 is connected to the pipeline connector 71, and the other end is connected to the hose connector 732, a cavity D is disposed in the limiting device, and a limiting pin 111 and a compression spring 112 connected to the limiting pin are disposed at an outlet of the cavity D. When normal work is done, atmospheric pressure in the cavity D acts on the spacer pin 111, compresses the spring 112, makes the spacer pin 111 pass the pipeline connecting piece wall hole, and restriction sealing plug 72 removes, and when the pressure in the cavity D was released, the spacer pin 111 was disengaged with the sealing plug 72 under the effect of spring 112, cancelled limiting displacement.
In addition to the preferred embodiments described above, other embodiments of the present invention can be devised by those skilled in the art, and various changes and modifications can be made without departing from the spirit of the present invention.
Claims (4)
1. A fire extinguishing device with local total flooding coordination is aimed at a lithium battery container energy storage fire extinguishing system and comprises an energy storage container (1), a lithium battery module (2) arranged in the energy storage container, an induction device arranged in the container and a fire extinguishing device connected with the induction device, and is characterized in that the induction device comprises a fire detecting pipe (4), the fire extinguishing device comprises a fire extinguisher bottle group (5), the fire detecting pipe (4) is a hose with a rupture (41) when reaching a set temperature, one end of the fire detecting pipe is arranged along the periphery of the module (2), a leak detection device (6) is arranged at the tail end of the fire detecting pipe, the other end of the fire detecting pipe is connected with a hose connecting component I (731) of a distribution valve (7), a spraying pipeline (3) is arranged at the top of the container, one end of the fire detecting pipe is provided with a nozzle (31), and the other end of the fire, one end of the balance pipe (9) is connected to the container valve (10), the other end of the balance pipe is communicated with the hose connecting component I (731) and the hose connecting component II (732) through a tee joint (8), after the fire extinguishing device is installed, certain pressure can be filled in the fire detecting pipe (4) and the balance pipe (9), the fire extinguishing agent container valve (10) and the distribution valve (7) are enabled to reach a certain balance state, and the lower portion, the upper portion and the lateral portion in the container valve are respectively provided with a cavity A, a cavity B and a cavity C.
2. A localized total flooding synergistic fire suppression apparatus as claimed in claim 1, wherein: the distribution valve (7) is provided with a hose connecting assembly (73) and a plug (74), a plurality of fire detecting pipes (4) can be installed simultaneously according to needs to protect a plurality of battery modules (2) simultaneously, and a check valve (75) is arranged between the cavity C and the hose connecting assembly (73).
3. A localized total flooding synergistic fire suppression apparatus as claimed in claim 1, wherein: the pipeline connecting piece one end of connecting disk seat (71) is connected with distributing valve (7), and the other end is connected and is spouted pipeline (3), establishes sealing plug (72) in the connecting disk seat, sealing plug (72) one end is equipped with the sealing member and realizes radial seal with the pipeline connecting piece, ensures extinguishing device is in the leakproofness of treating under the operating condition, and the other end passes through clearance fit with the pipeline connecting piece to be equipped with the trompil at the terminal surface, ensure when spouting, receive under the circumstances of cavity C's effort, can break away from sealed face smoothly, fire agent circulates in pipeline (3).
4. A localized total flooding synergistic fire suppression apparatus as claimed in claim 1, wherein: be provided with stop device (11) on hose coupling assembling I, stop device (11) one end is connected with hose coupling assembling I (731), and the other end is connected with hose coupling assembling II (732), be provided with cavity D in the stop device, cavity D export is provided with gag pin (111) and compression spring (112) of connecting the gag pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504718.9U CN211962859U (en) | 2019-09-10 | 2019-09-10 | Local total flooding cooperative fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921504718.9U CN211962859U (en) | 2019-09-10 | 2019-09-10 | Local total flooding cooperative fire extinguishing device |
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| CN211962859U true CN211962859U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921504718.9U Active CN211962859U (en) | 2019-09-10 | 2019-09-10 | Local total flooding cooperative fire extinguishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
-
2019
- 2019-09-10 CN CN201921504718.9U patent/CN211962859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
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