CN219208802U - Electrochemical energy storage battery cluster fire protection system - Google Patents
Electrochemical energy storage battery cluster fire protection system Download PDFInfo
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- CN219208802U CN219208802U CN202223403211.9U CN202223403211U CN219208802U CN 219208802 U CN219208802 U CN 219208802U CN 202223403211 U CN202223403211 U CN 202223403211U CN 219208802 U CN219208802 U CN 219208802U
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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 fire protection system of an electrochemical energy storage battery cluster, which belongs to the field of perfluorinated hexanone fire protection and comprises a fire extinguishing agent storage component, a driving component, an energy storage component, a spray head, a composite detector, a detection controller and a data processing unit; the fire extinguishing agent storage component, the driving component, the energy storage component and the spray head pipeline are connected and provided with an overflow loop; the data processing unit is respectively communicated with the fire extinguishing agent storage component, the driving component, the energy storage component and the detection controller; the detection controller is communicated with the composite detector and the electromagnetic valve. The electrochemical energy storage battery cluster fire protection system can control the opening and closing of the electromagnetic valve (normally closed) to determine whether the state of the system is a dormant state or an operating state, so that the point spraying or strategy spraying of the system can be realized by strategically controlling the opening and closing of the electromagnetic valve (normally closed).
Description
Technical Field
The utility model relates to the field of perfluoro-hexanone fire protection, in particular to a fire protection system for an electrochemical energy storage battery cluster.
Background
In recent years, the position of the lithium ion battery energy storage system in the power system is more and more important, and the lithium ion battery energy storage system is widely applied to various fields such as a user side, a power grid side, a power generation side, new energy grid connection, a micro-grid and the like. With the large-scale application of battery energy storage power stations, the safety performance of the energy storage system is widely concerned, and the lithium ion battery may generate thermal runaway for chemical reaction or external influence in the charging and discharging process, so that the safety of the energy storage power station is seriously influenced. Fire hazards of lithium ion battery energy storage power stations can be divided into two categories: one type is an electrically initiated fire; the other type is fire disaster caused by a battery, the fire safety of the energy storage system is monitored in a full period and early warned, and fire measures are timely warned and intervened in the sprouting stage of the occurrence of fire symptoms, so that the overall safety of the energy storage power station is ensured. How to ensure the fire safety of the energy storage power station, and the energy storage industry needs to solve the problem when the energy storage power station runs safely.
At present, an energy storage fire-fighting system usually adopts total submerged heptafluoropropane to extinguish fire, a plurality of fire detectors of different types are arranged to monitor the running condition of the energy storage system, when the battery is out of control, the temperature of the battery body can rise rapidly, and when the detectors detect fire signals, the battery damage is serious; after a fire disaster is detected, heptafluoropropane fire extinguishing agent is sprayed, the whole space is filled with the fire extinguishing agent within a certain time, the fire disaster area is not effectively isolated from the part where the fire disaster does not occur, the fire disaster is easy to spread, the fire extinguishing agent is sprayed to the whole energy storage system, the fire is not extinguished to the part where the fire disaster occurs, the fire extinguishing effect is not ideal, and quick, efficient and safe fire extinguishing cannot be realized.
Disclosure of Invention
In view of the above-mentioned problems, it is an object of the present utility model to provide a fire protection system for an electrochemical energy storage battery cluster, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an electrochemical energy storage battery cluster fire protection system comprises a fire extinguishing agent storage component, a driving component, an energy storage component, a spray head, a composite detector, a detection controller and a data processing unit; the fire extinguishing agent storage component, the driving component, the energy storage component and the spray head pipeline are connected and provided with an overflow loop; the data processing unit is respectively communicated with the fire extinguishing agent storage component, the driving component, the energy storage component and the detection controller; the detection controller is communicated with the composite detector and the electromagnetic valve.
As a further scheme of the utility model: the fire extinguishing agent storage component comprises a perfluorinated hexanone fire extinguishing agent, a perfluorinated hexanone storage container and a liquid level meter; the perfluorinated hexanone is stored in a perfluorinated hexanone storage container in a liquid state under normal pressure, and the liquid level meter is arranged in the perfluorinated hexanone storage container.
As a further scheme of the utility model: the driving assembly comprises a driving pump and an overflow valve; the driving pump is connected with the fire extinguishing agent storage component through an inlet pipeline, the fire extinguishing agent storage component is connected with an outlet pipeline, and an overflow valve pipeline is arranged between the outlet and the energy storage component and is connected with the fire extinguishing agent storage component to form an overflow loop.
As a further scheme of the utility model: the energy storage component comprises a first one-way valve, a pressure switch, an energy accumulator and an electromagnetic valve which are connected in sequence through pipelines; the electromagnetic valves are provided with a plurality of groups, the electromagnetic valves are connected with the spray head pipelines in a one-to-one correspondence manner, and the energy accumulator is provided with one.
As a further scheme of the utility model: the energy storage component comprises a first one-way valve, a pressure switch, a second one-way valve, an energy accumulator and an electromagnetic valve which are sequentially connected through pipelines, the electromagnetic valve is connected with the pipeline of the spray head in a one-to-one correspondence manner, a plurality of groups of the second one-way valve, the energy accumulator, the electromagnetic valve and the spray head are arranged, and the second one-way valve, the energy accumulator, the electromagnetic valve and the spray head are formed and arranged in a one-to-one correspondence manner with an electrochemical energy storage battery cluster.
Compared with the prior art; the beneficial effects of the utility model are as follows: the electrochemical energy storage battery cluster fire protection system can control the opening and closing of the electromagnetic valve (normally closed) to determine whether the state of the system is a dormant state or an operating state, so that the point spraying or strategy spraying of the system can be realized by strategically controlling the opening and closing of the electromagnetic valve (normally closed).
Drawings
Fig. 1 is a schematic structural diagram of an electrochemical energy storage battery cluster fire protection system.
Fig. 2 is a schematic structural view of another embodiment of an electrochemical energy storage battery cluster fire protection system.
In the figure: 1. a fire suppressant storage assembly; 2. a drive assembly; 3. an energy storage assembly; 4. a spray head; 5. a composite detector; 6. a detection controller; 7. a data processing unit; 101. a perfluoro hexanone storage container; 102. a liquid level gauge; 201. driving a pump; 202. an overflow valve; 301. a first one-way valve; 302. a pressure switch; 303. an accumulator; 304. an electromagnetic valve; 305. and a second one-way valve.
Description of the embodiments
The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present utility model; but not all embodiments. Based on the embodiments in the present utility model; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "provided," "connected," and "connected" are to be construed broadly; for example, the connection may be fixed connection, detachable connection, or integral connection, mechanical connection, electrical connection, direct connection, indirect connection via an intermediate medium, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
An electrochemical energy storage battery cluster fire protection system comprises a fire extinguishing agent storage component 1, a driving component 2, an energy storage component 3, a spray head 4, a composite detector 5, a detection controller 6 and a data processing unit 7; the fire extinguishing agent storage component 1, the driving component 2, the energy storage component 3 and the spray head 4 are connected through pipelines and are provided with overflow loops; the data processing unit 7 is respectively communicated with the fire extinguishing agent storage component 1, the driving component 2, the energy storage component 3 and the detection controller 6; the detection controller 6 communicates with the composite detector 5 and the solenoid valve 304 (normally closed).
In this embodiment, the fire extinguishing agent storage assembly 1 is used for storing fire extinguishing agent and providing fire extinguishing agent source for the system;
the driving component 2 is used for driving the pressurized fire extinguishing agent to the energy storage component 3 for storage and can also continuously drive the fire extinguishing agent to be sprayed to the target environment;
the energy storage component 3 is used for temporarily storing the fire extinguishing agent pressurized and conveyed by the driving component;
the spray head 4 is used for releasing the fire extinguishing agent stored by the spray energy storage assembly 3 or driven by the driving assembly 2;
the composite detector 5 is used for detecting environmental information in a pack box in a battery cluster;
the detection controller 6 is used for controlling the opening and closing of the electromagnetic valve 304 (normally closed) and communicating fire information with the data processing unit 7;
embodiment one: as shown in fig. 1, specifically, the fire extinguishing agent storage assembly 1 includes a perfluorinated hexanone fire extinguishing agent, a perfluorinated hexanone storage container 101, and a level gauge 102; the perfluorohexanone is stored in a perfluorohexanone storage container 101 in a normal pressure liquid state, and the liquid level meter 102 is arranged in the perfluorohexanone storage container 101.
As shown in fig. 1, in particular, the drive assembly 2 includes a drive pump 201 and an overflow valve 202; the driving pump 201 is connected with the fire extinguishing agent storage component 1 through an inlet pipeline, the energy storage component 3 is connected with an outlet pipeline, and an overflow valve 202 is arranged between the outlet and the energy storage component 3 and connected with the fire extinguishing agent storage component 1 through a pipeline to form an overflow loop.
As shown in fig. 1, specifically, the energy storage assembly 3 includes a first check valve 301, a pressure switch 302, an energy storage 303, and an electromagnetic valve 304 (normally closed) connected in a pipeline in order; the electromagnetic valves 304 (normally closed) are provided with a plurality of groups, the electromagnetic valves 304 (normally closed) are connected with the pipelines of the spray heads 4 in a one-to-one correspondence manner, one energy accumulator 303 is arranged, one energy accumulator 303 protects a plurality of electrochemical energy storage battery clusters, the safety is guaranteed, and the device is convenient to use.
Embodiment two: as shown in fig. 2, specifically, the energy storage component 3 comprises a first one-way valve 301, a pressure switch 302, a second one-way valve 305, an energy storage device 303 and an electromagnetic valve 304 (normally closed) which are sequentially connected in a pipeline way, the electromagnetic valve 304 (normally closed) is connected with the pipeline of the spray head 4 in a one-to-one correspondence way, a plurality of groups of the second one-way valve 305, the energy storage device 303, the electromagnetic valve 304 (normally closed) and the spray head 4 are arranged, the second one-way valve 305, the energy storage device 303, the electromagnetic valve 304 (normally closed) and the spray head 4 are formed and are arranged in a one-to-one correspondence way and are arranged in an electrochemical energy storage battery cluster,
the detection controller 6 is in signal communication with the solenoid valve 304 (normally closed) (start signal 1, close signal 1), and specifically includes:
when the composite detector 5 detects a fire, the detection controller 6 sends a start signal 1 to the solenoid valve 304 (normally closed);
when the composite detector 5 does not detect a fire, the detection controller 6 sends a closing signal 1 to the solenoid valve 304 (normally closed).
The liquid level meter 102 is in liquid level signal communication with the data processing unit 7 for the remaining amount of fire extinguishing agent, and specifically includes:
when the fire extinguishing agent allowance reaches the safety limit (liquid level signal 1), the system operates normally;
when the fire extinguishing agent level does not reach the safety boundary (level signal 0), the system sends out an alarm signal of the lack of fire extinguishing agent.
The pressure switch 302 is in signal communication with the data processing unit 7 (start signal 3, shut down signal 3).
It should be noted that, the data processing unit 7 is in signal communication with the driving pump 201 (start signal 2, close signal 2), and the relief valve 202 is used for releasing the abnormal pressure protection related components in the main pipeline, and specifically includes:
when the system is started and the liquid level signal is the liquid level signal 0, the data processing unit 7 sends a closing signal 2 to the driving pump 201 no matter the pressure switch 302 and the detection controller 6 send any signal;
when the system is started, the data processing unit 7 sends a start signal 2 to the drive pump 201 no matter any signal is sent by the detection controller 6 when the liquid level signal is a liquid level signal 1 and the pressure switch 302 signal is a start signal 3;
when the system is started, the data processing unit 7 sends a shut-off signal 2 to the drive pump 201 whenever the detection controller 6 sends any signal when the level signal is level signal 1 and the pressure switch 302 signal is shut-off signal 3.
According to the electrochemical energy storage battery cluster fire protection system provided by the utility model, the system is self-checked in operation, the battery cluster is in a normal state, the electromagnetic valve 304 (normally closed) is in a closed state, the pressure switch 302 is a starting signal 3, the liquid level signal is a liquid level signal 1, the data processing unit 7 sends the starting signal 2 to the driving component 2, the driving pump 201 is operated, so that the fire extinguishing agent is pressurized and is beaten to the energy storage component 3, when the fire extinguishing agent storage pressure in the energy storage component 3 reaches a preset pressure, the pressure switch 302 is a closing signal 3, the data processing unit 7 sends the closing signal 2 to the driving pump 201 according to the closing signal 3, and the driving pump 201 is stopped; the first check valve 301 will close the seal under the pressure in the energy storage component, so that the pressure in the energy storage component 3 is maintained, and the system enters a dormant state.
According to the electrochemical energy storage battery cluster fire protection system provided by the utility model, in a dormant state of the system, when a fire condition is detected, the detection controller 6 sends a starting signal 1 to the electromagnetic valve 304 (normally closed), the electromagnetic valve 304 (normally closed) is opened to quickly release the fire extinguishing agent in the pressure maintaining state in the energy storage component 3 to a target environment, when the fire extinguishing agent in the energy storage component 3 is continuously released to the pressure switch 302 to be used as the starting signal 3, the data processing unit 7 receives the starting signal 3 and sends the starting signal 2 to the driving pump 201, the driving pump 201 continuously works until the fire extinguishing agent liquid level signal reaches the liquid level signal 0, and the system stops working.
According to the electrochemical energy storage battery cluster fire protection system provided by the utility model, the detection controller 6 can control the opening and closing of the electromagnetic valve 304 (normally closed) to determine whether the state of the system is a dormant state or an operating state, so that the point spraying or strategy spraying of the system can be realized by strategically controlling the opening and closing of the electromagnetic valve 304 (normally closed).
As would be apparent to one skilled in the art; it is obvious that the utility model is not limited to the details of the above-described exemplary embodiments; and without departing from the spirit or essential characteristics of the utility model; the utility model can be embodied in other specific forms. Thus, the method comprises the steps of; from either point of view; the embodiments should be considered as exemplary; and is non-limiting; the scope of the utility model is indicated by the appended claims rather than by the foregoing description; it is therefore intended to include within the utility model all changes that fall within the meaning and range of equivalency of the claims. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it is provided that; it should be understood that; although the present description describes embodiments; but not every embodiment contains only one independent technical solution; this manner of description is for clarity only; the skilled artisan should recognize the specification as a whole; the technical solutions in the embodiments may also be combined appropriately; forming other embodiments as will be appreciated by those skilled in the art.
Claims (5)
1. The fire protection system of the electrochemical energy storage battery cluster is characterized by comprising a fire extinguishing agent storage component (1), a driving component (2), an energy storage component (3), a spray head (4), a composite detector (5), a detection controller (6) and a data processing unit (7); the fire extinguishing agent storage component (1), the driving component (2), the energy storage component (3) and the spray head (4) are connected through pipelines and are provided with overflow loops; the data processing unit (7) is respectively communicated with the fire extinguishing agent storage component (1), the driving component (2), the energy storage component (3) and the detection controller (6); the detection controller (6) is communicated with the composite detector (5) and the electromagnetic valve (304).
2. The fire protection system of the electrochemical energy storage battery cluster according to claim 1, wherein the fire extinguishing agent storage component (1) comprises a perfluorinated hexanone fire extinguishing agent, a perfluorinated hexanone storage container (101) and a liquid level meter (102); the perfluorinated hexanone is stored in a perfluorinated hexanone storage container (101) in a liquid state under normal pressure, and the liquid level meter (102) is arranged in the perfluorinated hexanone storage container (101).
3. The electrochemical energy storage cell cluster fire protection system of claim 2, wherein the drive assembly (2) comprises a drive pump (201) and a spill valve (202); the driving pump (201) is connected with the fire extinguishing agent storage component (1) through an inlet pipeline, the fire extinguishing agent storage component (3) is connected with an outlet pipeline, and an overflow valve (202) is arranged between the outlet and the energy storage component (3) and connected with the fire extinguishing agent storage component (1) through a pipeline to form an overflow loop.
4. The fire protection system of an electrochemical energy storage battery cluster according to claim 3, wherein the energy storage component (3) comprises a first one-way valve (301), a pressure switch (302), an energy storage device (303) and an electromagnetic valve (304) which are connected in sequence through pipelines; the electromagnetic valves (304) are provided with a plurality of groups, the electromagnetic valves (304) are connected with the pipelines of the spray heads (4) in a one-to-one correspondence manner, and the energy accumulator (303) is provided with one.
5. The fire protection system of the electrochemical energy storage battery cluster according to claim 4, wherein the energy storage component (3) comprises a first one-way valve (301), a pressure switch (302), a second one-way valve (305), an energy accumulator (303) and an electromagnetic valve (304) which are sequentially connected in a pipeline mode, the electromagnetic valve (304) is connected with the pipeline of the spray head (4) in a one-to-one correspondence mode, a plurality of groups of the second one-way valve (305), the energy accumulator (303), the electromagnetic valve (304) and the spray head (4) are arranged, and the second one-way valve (305), the energy accumulator (303), the electromagnetic valve (304) and the spray head (4) are formed and arranged in a one-to-one correspondence mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403211.9U CN219208802U (en) | 2022-12-19 | 2022-12-19 | Electrochemical energy storage battery cluster fire protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223403211.9U CN219208802U (en) | 2022-12-19 | 2022-12-19 | Electrochemical energy storage battery cluster fire protection system |
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| CN219208802U true CN219208802U (en) | 2023-06-20 |
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| CN202223403211.9U Active CN219208802U (en) | 2022-12-19 | 2022-12-19 | Electrochemical energy storage battery cluster fire protection system |
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- 2022-12-19 CN CN202223403211.9U patent/CN219208802U/en active Active
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