CN218123548U - Passive electric core fire extinguishing system - Google Patents
Passive electric core fire extinguishing system Download PDFInfo
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- CN218123548U CN218123548U CN202222140342.6U CN202222140342U CN218123548U CN 218123548 U CN218123548 U CN 218123548U CN 202222140342 U CN202222140342 U CN 202222140342U CN 218123548 U CN218123548 U CN 218123548U
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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
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Abstract
The utility model discloses a passive electric core fire extinguishing system, which comprises a module, wherein the module comprises electric cores which are equidistantly arranged in a frame, a water delivery pipe communicated with the electric cores is arranged on the module, and the water delivery pipe is connected with a water supply pipe; the battery cell comprises a shell with a pole piece mounted therein, the top of the shell is connected with a cover plate, the cover plate is provided with a pole column and an explosion-proof valve, a mounting sleeve is fixed on the cover plate above the explosion-proof valve, an air pressure sensor is mounted in the mounting sleeve, a fire-fighting pipe communicated with a water delivery pipe is connected to the mounting sleeve, a fire-fighting valve is mounted on the fire-fighting pipe, and an exhaust structure is further arranged in the mounting sleeve. The utility model discloses can lock the thermal runaway source at power battery's minimum unit-electric core rank, directly put out a fire to the electric core that takes place the thermal runaway and handle, avoid spraying the module on a large scale, reduce the waste of resource, reduce extinguishing device's working cost.
Description
Technical Field
The utility model relates to a power battery technical field specifically indicates a passive form electricity core fire extinguishing systems.
Background
The power battery can generate heat in work, and the battery can be ignited and the battery core can be damaged by keeping a high-temperature state for a long time. Therefore, the temperature of the power battery needs to be reduced. Among the prior art, the power battery trade mainly adopts the mode of taking away the heat from the surface to handle the thermal runaway of lithium cell, after the thermal runaway takes place for the lithium cell in the energy storage box, the deactivation device that power battery has sprays cooling medium (mostly water) at the lithium cell surface that takes place the thermal runaway, mainly utilize the great medium of specific heat capacity, absorb the heat from the battery outside, but the thermal runaway mainly takes place inside the lithium cell, this kind of processing method fails fundamentally to restrain the thermal runaway reaction of relevant lithium cell, can not carry out effective processing to the thermal runaway.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a passive form electricity core fire extinguishing systems, it can be directly from the reaction of electric core rank effective handling thermal runaway, handles more fast to reduce the waste of water resource.
The utility model adopts the following technical scheme: a passive cell fire extinguishing system comprises a passive cell fire extinguishing system and a module, wherein the module comprises cells which are equidistantly arranged in a frame, a water delivery pipe communicated with the cells is arranged on the module, and the water delivery pipe is connected with a water supply pipe;
the battery cell comprises a shell with a pole piece mounted therein, the top of the shell is connected with a cover plate, the cover plate is provided with a pole column and an explosion-proof valve, a mounting sleeve is fixed on the cover plate above the explosion-proof valve, an air pressure sensor is mounted in the mounting sleeve, a fire-fighting pipe communicated with a water delivery pipe is connected to the mounting sleeve, a fire-fighting valve is mounted on the fire-fighting pipe, and an exhaust structure is further arranged in the mounting sleeve.
Furthermore, a standby pipe is arranged at one end, far away from the water supply pipe, of the water delivery pipe, and the water delivery pipe is connected with the standby pipe. Therefore, when the water supply pipe has a problem, the standby pipe can be started to supply water, and the influence on the normal work of the system is avoided.
Further, the modules are arranged side by side, the water supply pipe is evenly provided with joints, and the water delivery pipe is connected with the joints.
Further, the top end of the mounting sleeve is provided with a sealing ring which is tightly matched with the fire fighting pipe.
Further, the exhaust structure is including setting up in the ventilative waterproof circle of installation cover bottom, set up the gas pocket on the installation cover in the ventilative waterproof circle outside.
Furthermore, the bottom end of the mounting sleeve is provided with a mounting groove matched with the breathable waterproof ring, and the air holes are uniformly formed in the circumferential direction of the mounting groove.
As a preferred item, the top end of the fire fighting pipe is connected with the water pipe through a rotary joint, and the fire fighting pipe is in threaded connection with the installation sleeve. Like this, utilize threaded connection, it is convenient to dismantle, and utilizes rotary joint, makes the connected state of fire control pipe and raceway not receive the pivoted influence.
The utility model has the advantages that:
1) Set up the fire control pipe through the explosion-proof valve top at every electric core, and control the break-make of fire control pipe through installing the fire control valve on the fire control pipe, thereby make the water in the fire control pipe spout at the exact opportunity, water in the cooperation fire control pipe, from the explosion-proof valve that has exploded to electric core inside injection, on the one hand, water can restrain the chemical reaction of electrolyte, prevent electric core continuous operation, effectively reduce the work heat production from the source, on the other hand, water can absorb the heat of electrolyte release, effectively cool off electric core, furthermore, water can also play fire-retardant effect to the electric core that catches fire because of thermal runaway, carry out the processing of putting out a fire from the source of getting on fire, improve the work safety performance of electric core, and compare in present most extinguishing device, the utility model discloses can lock thermal runaway source on power battery's minimum unit-electric core level, directly take place the processing of putting out a fire to the electric core of thermal runaway, avoid large-scale to spray the module, the waste of resource has been reduced extinguishing device's working cost.
2) Through setting up the sealing washer, seal between fire control pipe and the installation cover, prevent that spun water from installing the port outflow of cover, further reduce the waste of water.
3) Through set up exhaust structure on the installation cover, utilize ventilative waterproof circle and gas pocket, constructed an exhaust passage for make inside air current discharge explosion-proof valve and installation cover rapidly when explosion-proof valve explodes, prevent that the installation cover short time internal gas pressure increase and lead to the unable normal transport of rivers, thereby guarantee the normal work of fire control pipe.
Drawings
Fig. 1 is a schematic diagram of a system structure of a passive cell fire extinguishing system provided by the present invention;
fig. 2 is a schematic structural diagram of an electric core of a passive electric core fire extinguishing system provided by the present invention;
fig. 3 is a schematic view of an internal structure of an installation sleeve of a passive cell fire extinguishing system provided by the present invention;
fig. 4 is an enlarged schematic view of a in fig. 3.
In the figure: frame 1, electric core 2, shell 21, apron 22, utmost point post 23, explosion-proof valve 24, raceway 3, delivery pipe 4, joint 5, spare pipe 6, fire control pipe 7, fire control valve 8, installation cover 9, sealing washer 10, baroceptor 11, install recess 12, ventilative waterproof circle 13, gas pocket 14.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a passive cell fire extinguishing system according to the present invention will be described in detail with reference to the accompanying drawings.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, the passive cell fire extinguishing system provided by the present invention comprises a module, wherein the module comprises cells 2 equidistantly disposed in a frame 1, the module is provided with a water pipe 3 communicated with the cells 2, and the water pipe 3 is connected with a water supply pipe 4; the water supply pipe 4 is responsible for main fire-fighting water supply, and the water delivery pipe 3 is used for delivering water in the water supply pipe 4 to different electric cores 2;
the modules are arranged side by side, the water supply pipe 4 is uniformly provided with a joint 5, and the water delivery pipe 3 is connected with the joint 5; a plurality of modules are generally arranged in the energy storage box, and each module corresponds to one water delivery pipe 3, so that fire-fighting water is obtained;
one end of the water delivery pipe 3, which is far away from the water supply pipe 4, is provided with a standby pipe 6, and the water delivery pipe 3 is connected with the standby pipe 6; when the water supply pipe 4 serving as a main source of fire-fighting water supply has a problem, the standby pipe 6 can be started to supply water, so that the normal work of the system is prevented from being influenced;
the battery cell 2 comprises a shell 21 internally provided with a pole piece and the like, the top of the shell 21 is connected with a cover plate 22, the cover plate 22 is provided with a pole column 23 and an explosion-proof valve 24, the cover plate 22 above the explosion-proof valve 24 is fixed with a mounting sleeve 9, an air pressure sensor 11 is arranged in the mounting sleeve 9, the mounting sleeve 9 is connected with a fire-fighting pipe 7 communicated with the water delivery pipe 3, and the fire-fighting pipe 7 is provided with a fire-fighting valve 8; the air pressure sensor 11 is used for detecting real-time air pressure in the mounting sleeve 9, when the explosion-proof valve 24 is exploded, the air pressure in the mounting sleeve 9 is instantly increased, at the moment, the corresponding fire-fighting valve 8 on the fire-fighting pipe 7 is opened, cooling water is supplied to the interior of the electric core 2, and therefore thermal runaway is treated at a fixed point;
the top end of the fire fighting pipe 7 is connected with the water delivery pipe 3 through a rotary joint, and the fire fighting pipe 7 is in threaded connection with the mounting sleeve 9; the fire fighting pipe 7 is connected with the water delivery pipe 3 by screw threads, so that the disassembly is convenient, and the connection state of the fire fighting pipe 7 and the water delivery pipe 3 is not influenced by rotation by using a rotary joint;
the top end of the mounting sleeve 9 is provided with a sealing ring 10 which is tightly matched with the fire fighting pipe 7;
through setting up sealing washer 10, seal between fire control pipe 7 and the installation cover 9, prevent that spun water from installing the port outflow of cover 9, further reduce the waste of water.
The utility model discloses a set up fire control pipe 7 in explosion-proof valve 24 top of every electric core 2, and come through installation fire control valve 8 on fire control pipe 7, the break-make of control fire control pipe 7, thereby make the water in fire control pipe 7 spout at the exact opportunity, water in the cooperation fire control pipe 7, from exploding explosion-proof valve 24 to 2 inside sprays of electric core, on the one hand, water can restrain the chemical reaction of electrolyte, prevent 2 continuous work of electric core, effectively reduce the work heat production from the source, on the other hand, water can absorb the heat that the electrolyte in electric core 2 released, effectively cool off electric core 2, furthermore, water can also play fire-retardant effect to electric core 2 that catches fire because of thermal runaway, put out a fire from the source of catching a fire and handle, improve the work safety performance of electric core 2, and compare in present majority extinguishing device, the utility model discloses can lock the thermal source on electric core 2 at power battery's minimum unit-electric core 2 level, directly take place the processing of putting out a fire to the electric core 2 of thermal runaway, avoid spraying the large-scale module, the waste of resources is reduced, the work cost of extinguishing device out a fire is out of control.
An exhaust structure is also arranged in the mounting sleeve 9; airflow for rapidly discharging the battery cell 2;
the exhaust structure comprises a breathable waterproof ring 13 arranged at the bottom end of the mounting sleeve 9, and an air hole 14 is formed in the mounting sleeve 9 on the outer side of the breathable waterproof ring 13; the breathable waterproof ring 13 is utilized, so that not only can water be prevented, but also air flow can penetrate through the breathable waterproof ring;
the bottom end of the mounting sleeve 9 is provided with a mounting groove 12 matched with the breathable waterproof ring 13, and the air holes 14 are uniformly arranged on the mounting groove 12 in the circumferential direction;
through set up exhaust structure on installation cover 9, utilize ventilative waterproof circle 13 and gas pocket 14, constructed an exhaust passage for make inside air current discharge explosion-proof valve 24 and installation cover 9 rapidly when explosion-proof valve 24 explodes, prevent that the increase of installation cover 9 short time internal gas pressure from resulting in the unable normal transport of rivers, thereby guarantee fire control pipe 7 and normally work.
The mounting sleeve 9 is made of semi-aromatic nylon; because the temperature of the thermal runaway electric core 2 is high, and the mounting sleeve 9 on the cover plate 22 needs to bear high temperature, in order to prevent thermal deformation, the mounting sleeve 9 needs to be set as a thermal stable material, so that the thermal stability of the semi-aromatic nylon is good, the mechanical property is also good, and the service life is long.
It should be understood by those skilled in the art that the specific embodiments herein are merely illustrative of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a passive form electricity core fire extinguishing systems which characterized in that: the battery pack comprises a module, wherein the module comprises battery cores (2) which are arranged in a frame (1) at equal intervals, a water conveying pipe (3) communicated with the battery cores (2) is arranged on the module, and the water conveying pipe (3) is connected with a water supply pipe (4);
electric core (2) installs shell (21) of pole piece including interior, shell (21) top is connected with apron (22), be equipped with utmost point post (23) and explosion-proof valve (24) on apron (22), be fixed with installation cover (9) on apron (22) of explosion-proof valve (24) top, install baroceptor (11) in installation cover (9), and be connected with fire control pipe (7) with raceway (3) intercommunication on installation cover (9), install fire control valve (8) on fire control pipe (7), still be equipped with exhaust structure in installation cover (9).
2. The passive cell fire suppression system of claim 1, wherein: one end of the water conveying pipe (3) far away from the water supply pipe (4) is provided with a standby pipe (6), and the water conveying pipe (3) is connected with the standby pipe (6).
3. The passive cell fire suppression system of claim 1, wherein: the modules are arranged side by side, the water supply pipe (4) is uniformly provided with a connector (5), and the water delivery pipe (3) is connected with the connector (5).
4. The passive cell fire suppression system of claim 1, wherein: and a sealing ring (10) which is tightly matched with the fire fighting pipe (7) is arranged at the top end of the mounting sleeve (9).
5. The passive cell fire suppression system of claim 1, wherein: the exhaust structure comprises a breathable waterproof ring (13) arranged at the bottom end of the mounting sleeve (9), and an air hole (14) is formed in the mounting sleeve (9) on the outer side of the breathable waterproof ring (13).
6. The passive cell fire suppression system of claim 5, wherein: the bottom end of the mounting sleeve (9) is provided with a mounting groove (12) matched with the breathable waterproof ring (13), and the air holes (14) are uniformly arranged on the mounting groove (12) in the circumferential direction.
7. A passive cell fire suppression system according to any of claim 1, wherein: the top end of the fire-fighting pipe (7) is connected with the water delivery pipe (3) through a rotary joint, and the fire-fighting pipe (7) is in threaded connection with the installation sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222140342.6U CN218123548U (en) | 2022-08-15 | 2022-08-15 | Passive electric core fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222140342.6U CN218123548U (en) | 2022-08-15 | 2022-08-15 | Passive electric core fire extinguishing system |
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| Publication Number | Publication Date |
|---|---|
| CN218123548U true CN218123548U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222140342.6U Active CN218123548U (en) | 2022-08-15 | 2022-08-15 | Passive electric core fire extinguishing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505185A (en) * | 2023-06-27 | 2023-07-28 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
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2022
- 2022-08-15 CN CN202222140342.6U patent/CN218123548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116505185A (en) * | 2023-06-27 | 2023-07-28 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
| CN116505185B (en) * | 2023-06-27 | 2023-10-03 | 楚能新能源股份有限公司 | Immersion valve assembly and immersion type secondary battery device with same |
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