CN217472612U - Fire-fighting system of energy storage power station - Google Patents
Fire-fighting system of energy storage power station Download PDFInfo
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- CN217472612U CN217472612U CN202123388727.6U CN202123388727U CN217472612U CN 217472612 U CN217472612 U CN 217472612U CN 202123388727 U CN202123388727 U CN 202123388727U CN 217472612 U CN217472612 U CN 217472612U
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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 an energy storage power station fire extinguishing system, including battery box and battery fire control pipeline, be provided with a plurality of battery modules in the battery box. A first temperature detector is arranged in the battery box body, and the first temperature detector is arranged on the battery module and used for detecting the temperature of the battery core. The outlet end of the battery fire-fighting pipeline is arranged in the battery box body. An electromagnetic switch valve is arranged on the battery fire-fighting pipeline. And the first temperature detector and the electromagnetic switch valve are both in communication connection with the controller. The controller is used for controlling the opening and closing of the electromagnetic switch valve. The utility model discloses an energy storage power station fire extinguishing system has shortened the time delay to the judgement that electric core catches fire, avoids missing best conflagration control time, has reduced the loss of water fire control.
Description
Technical Field
The utility model relates to an energy storage power station fire control technical field, in particular to energy storage power station fire extinguishing system.
Background
Energy storage power stations are produced along with the development of electric power, and the safety problem of the energy storage power stations is also widely concerned by the whole society. The current fire control scheme of prefabricated cabin formula lithium cell energy storage power station (hereinafter referred to as prefabricated cabin formula energy storage power station) mainly has two kinds, and one kind is gaseous fire extinguishing systems, and another kind is water mist fire extinguishing systems.
In the prior art, the two fire extinguishing systems rely on a smoke detector and a temperature detector for detecting a fire, the smoke detector and the temperature detector are used for detecting the environment in an energy storage power station, a certain time delay is provided for judging whether a battery core is on fire, the time delay can cause the optimal fire control time to be missed, and the fire can possibly spread and spread outwards through a group of battery boxes. Meanwhile, the existing fire fighting modes are all full-submerged fire fighting, and the fire can not be locally controlled. Particularly, once the water mist fire extinguishing system is started, a fire-fighting accident happens to one battery box, and the batteries around and even in the whole energy storage power station are all involved, so that the accident is spread, and the loss is enlarged.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an energy storage power station fire extinguishing system has shortened the time delay to the judgement that electric core catches fire, avoids missing the best conflagration control time, has reduced the loss of water fire control.
In order to achieve the above object, the utility model provides a following technical scheme:
an energy storage power station fire protection system comprising:
the battery box body is internally provided with a plurality of battery modules;
the first temperature detector is arranged on the battery module and used for detecting the temperature of the battery core;
the outlet end of the battery fire-fighting pipeline is arranged in the battery box body, and an electromagnetic switch valve is arranged on the battery fire-fighting pipeline;
and the first temperature detector and the electromagnetic switch valve are in communication connection with the controller.
Optionally, the battery box body is a sealed box body, a liquid level sensor for detecting a liquid level in the battery box body is arranged in the box body, and the liquid level sensor is in communication connection with the controller.
Optionally, the lateral wall of the battery box body is provided with waterproof air holes, the setting positions of the waterproof air holes are higher than the fire-fighting water level height in the battery box body, and the fire-fighting water level height is higher than the height of the battery module.
Optionally, the waterproof air holes are provided with a plurality of holes, and the plurality of waterproof air holes are uniformly distributed on the side wall of the battery box body.
Optionally, a water cooling device used for cooling the battery module is arranged in the battery box body, the water cooling device is communicated with a water cooling system outside the battery box body, a cold water cavity communicated with the water cooling system is arranged in the water cooling device, and the cold water cavity and the water cooling system form a circulation loop.
Optionally, the battery fire-fighting pipeline is arranged in the battery box body and is communicated with the cold water cavity in the water cooling device.
Optionally, the battery fire fighting pipeline is arranged outside the battery box body and is communicated with the water cooling system.
Optionally, the water cooling device is a cold water plate, the cold water plate is arranged on the bottom surface of the battery box body, and the battery module is placed on the cold water plate.
Optionally, the water cooling system is including the cooling water wet return, water tank, first cooling water outlet pipe, electric water pump and the second cooling water outlet pipe that communicate the setting in proper order, the cooling water wet return with the delivery port intercommunication of cold water board, the second cooling water outlet pipe with the water inlet intercommunication of cold water board.
Optionally, an exhaust pipe is arranged on the cooling water return pipe.
According to the above technical scheme, the utility model provides an energy storage power station fire extinguishing system through set up first temperature detect ware in the battery box, first temperature detect ware is used for detecting the temperature of electric core in the battery box, uses the temperature data that electric core temperature gathered the point as the fire alarm foundation, has shortened the time delay to the judgement that electric core catches fire, avoids missing best fire control time, avoids the conflagration to be outwards stretchd the diffusion by a set of battery box. Simultaneously, the exit end setting of battery fire control pipeline is in the battery box, detect as the controller the electric core temperature that first temperature detector gathered surpasss the settlement threshold value, and when lasting rising, judge by the controller that electric core is on fire, and according to the temperature acquisition point serial number locking position of on fire, the electromagnetic switch valve in the corresponding battery box of control is opened, by battery fire control pipeline to the unusual battery box input fire water of electric core temperature, be used for carrying out the water fire control to this battery box, other battery boxes on every side and inside battery can not receive the tie-up, the loss has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fire fighting system of an energy storage power station according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fire fighting system of an energy storage power station according to another embodiment of the present invention.
Wherein:
1. the battery box, 2, waterproof bleeder vent, 3, blast pipe, 4, water tank, 5, first cooling water outlet pipe, 6, controller, 7, electric water pump, 8, second cooling water outlet pipe, 9, second valve, 10, cold water board, 11, electromagnetic switch valve, 12, battery fire control pipeline, 13, battery module, 14, level sensor, 15, cooling water wet return, 16, first valve.
Detailed Description
The utility model discloses an energy storage power station fire extinguishing system has shortened the time delay to the judgement that electric core catches fire, avoids missing best conflagration control time, has reduced the loss of water fire control.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the fire fighting system of the energy storage power station of the present invention includes a battery box 1 and a fire fighting pipeline 12, and a plurality of battery modules 13 are disposed in the battery box 1. A first temperature detector is arranged in the battery box body 1 and arranged on the battery module 13 and used for detecting the temperature of the battery core. The outlet end of the battery fire fighting pipe 12 is arranged in the battery box 1 for introducing fire fighting water into the battery box 1 on fire. In order to control the on-off of the battery fire-fighting pipeline 12 conveniently, an electromagnetic switch valve 11 is arranged on the battery fire-fighting pipeline 12. The first temperature detector and the electromagnetic switch valve 11 are both in communication connection with the controller 6. The controller 6 controls the opening and closing of the electromagnetic opening/closing valve 11, and the electromagnetic opening/closing valve 11 is normally in a normally closed state.
The battery module 13 is formed by connecting the single battery cells of the energy storage battery in series and parallel, the BMS is added after the battery module 13 is connected in series and parallel and is arranged in the sealed battery box body 1 to form a battery box, and the battery box is arranged on the energy storage battery bracket to form a battery cluster. The BMS is commonly called a battery caregiver or a battery manager, and is mainly used for intelligently managing and maintaining each battery cell, preventing overcharge and overdischarge of the battery, prolonging the service life of the battery, and monitoring the state of the battery. The first temperature detector is arranged at a battery core temperature acquisition point. The controller 6 is a controller of a battery management system. The battery management system is a battery management system in the prior art, and is not described herein again. The first temperature detector is welded on a bus bar of the battery module 13, and the bus bar is welded on the battery core. The battery module 13 is a battery module in the prior art, and is not described herein again.
The utility model discloses an energy storage power station fire extinguishing system, through set up first temperature detect ware in battery box 1, first temperature detect ware is used for detecting the temperature of battery cell in the battery box 1, uses the temperature data that electric core temperature acquisition point gathered as the fire alarm foundation, has shortened the time delay to the judgement that electric core catches fire, avoids missing best fire control time, avoids the conflagration to be outwards stretchd the diffusion by a set of battery box. Meanwhile, the exit end of the battery fire-fighting pipeline 12 is arranged in the battery box body 1, when the controller 6 detects that the temperature of the electric core collected by the first temperature detector exceeds a set threshold value, and continuously rises, the controller 6 judges that the electric core is on fire, the fire-lighting position is locked according to the temperature collection point number, the electromagnetic switch valve 11 in the corresponding battery box body 1 is controlled to be opened, fire-fighting water is input into the battery box body 1 with abnormal temperature of the electric core through the battery fire-fighting pipeline 12, the fire-fighting water is used for carrying out water fire-fighting on the battery box body 1, other battery boxes on the periphery and batteries inside the battery boxes cannot be involved, and the loss of water fire-fighting is reduced.
In order to avoid the influence of the overflow of fire water in the battery box body 1 on other battery boxes, the battery box body 1 is a sealed box body, a liquid level sensor 14 for detecting the liquid level in the battery box body 1 is arranged in the box body, and the liquid level sensor 14 is in communication connection with the controller 6. The sealing grade of the battery case 1 of the battery case needs to reach IP 67.
In order to discharge the gas in the battery box body 1 to the outside and ensure the balance of the internal and external pressure of the battery box body 1, the side wall of the battery box body 1 is provided with a waterproof vent hole 2. The setting position of the waterproof air hole 2 is higher than the fire-fighting water level in the battery box body 1, so that the fire-fighting water in the battery box body 1 is prevented from leaking through the waterproof air hole 2. In order to guarantee that the battery module 13 can be soaked to the fire water in the battery box 1, the fire-fighting water level is higher than the height of the battery module 13, thereby guaranteeing the fire-fighting effect of fire-fighting water. The fire fighting water level is seen in the dashed line inside the battery box 1, as shown in fig. 1 and 2.
Specifically, waterproof bleeder vent 2 is provided with a plurality of, and the gaseous emission that forms in the battery box 1 of being convenient for is given in the lateral wall of battery box 1 to a plurality of waterproof bleeder vent 2 equipartitions.
In one embodiment, a water cooling device for cooling the battery module 13 is provided in the battery case 1. The water cooling device is communicated with a water cooling system outside the battery box body 1, a cold water cavity communicated with the water cooling device is arranged in the water cooling device, and the cold water cavity and the water cooling system form a circulation loop. The water cooling device is used for cooling the battery module 13 in the working process. The battery fire-fighting pipeline 12 is arranged in the battery box body 1 and is communicated with the cold water cavity in the water cooling device.
In another embodiment, the battery fire-fighting pipe 12 is arranged outside the battery box 1 and is communicated with the water cooling system.
Above two embodiments, all realized that fire extinguishing system and battery cooling system combine, fire water directly quotes battery module 13's cooling system's pure water, need not set up fire control drainage pipeline alone, the cost is reduced.
Further, the water cooling device is a cold water plate 10, the cold water plate 10 is arranged on the bottom surface of the battery box body 1, and the battery module 13 is placed on the cold water plate 10.
Specifically, the water cooling system includes cooling water wet return 15, water tank 4, first cooling water outlet pipe 5, electric water pump 7 and the second cooling water outlet pipe 8 that communicate the setting in proper order, cooling water wet return 15 and the delivery port intercommunication of cold water board 10, second cooling water outlet pipe 8 and the water inlet intercommunication of cold water board 10. The water outlet of the cold water plate 10 and the water inlet of the cold water plate 10 are both communicated with a cold water cavity in the cold water plate 10. The cold water cavity can be a cavity structure or a bent pipeline structure, and is not limited here.
In order to exhaust the water vapor in the cooling system and avoid the excessive pressure in the cooling system, the cooling water return pipe 15 is provided with an exhaust pipe 3. It is understood that the exhaust pipe 3 is disposed at the highest point of the cooling water return pipe 15, where the highest point refers to the position farthest from the ground. A first valve 16 is arranged on the cooling water return pipe 15, and a second valve 9 is arranged on the second cooling water outlet pipe 8. Specifically, the first valve 16 and the second valve 9 are both electrically controlled valves, and the first valve 16 and the second valve 9 are both controlled by the controller 6. The manner in which the controller 6 controls the valves is conventional in the art.
The utility model discloses a fire extinguishing system of energy storage power station, smoke detector and second temperature detect ware that set up in the energy storage power station among the prior art still include foretell energy storage power station fire extinguishing system, battery box fire extinguishing system promptly.
The utility model discloses an energy storage power station fire extinguishing system during operation works as the electric core temperature that first temperature detect exceeded the settlement threshold value to when continuously rising, judge by battery management system and make electric core on fire, because in the battery box 1 of difference first temperature detect corresponds different temperature acquisition point serial numbers, and battery management system locks the position on fire according to temperature acquisition point serial numbers. The battery management system controls to cut off all the battery clusters and main relays externally output in the clusters, and starts a fire emergency power supply which only supplies power to the electric water pump 7 and the controller 6. At this moment, the controller 6 controls the electromagnetic switch valve 11 and the second valve 9 to be opened, the electric water pump 7 continuously pumps pure water into the battery box body 1, the water level in the battery box body 1 rises all the time because the battery box body 1 is a box body with sealing requirements until the water level reaches the fire-fighting water level height of the battery box body 1, and at the moment, the liquid level sensor 14 transmits a signal to the controller 6. At this time, the controller 6 sends an instruction to the electric water pump 7, the electric water pump 7 stops working, and at this time, pure water submerges all the battery modules 13 in the battery box 1, thereby extinguishing a fire. After the fire hazard is eliminated, the pipeline can be disassembled from the valve, and maintenance and replacement are realized.
In the description of the present solution, it is to be understood that the terms "upper", "lower", "vertical", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present solution.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An energy storage power station fire protection system, comprising:
the battery box body (1), wherein a plurality of battery modules (13) are arranged in the battery box body (1);
the first temperature detector is arranged on the battery module (13) and used for detecting the temperature of the battery core;
the outlet end of the battery fire-fighting pipeline (12) is arranged in the battery box body (1), and the battery fire-fighting pipeline (12) is provided with an electromagnetic switch valve (11);
the first temperature detector and the electromagnetic switch valve (11) are in communication connection with the controller (6).
2. The energy storage power station fire protection system according to claim 1, characterized in that the battery box body (1) is a sealed box body, a liquid level sensor (14) for detecting a liquid level in the battery box body (1) is arranged in the box body, and the liquid level sensor (14) is in communication connection with the controller (6).
3. The energy storage power station fire fighting system according to claim 1, characterized in that the side wall of the battery box body (1) is provided with waterproof air vents (2), the waterproof air vents (2) are arranged at a position higher than the fire water level in the battery box body (1), and the fire water level is higher than the height of the battery module (13).
4. The energy storage power station fire fighting system according to claim 3, characterized in that the number of the waterproof air vents (2) is several, and the plurality of the waterproof air vents (2) are uniformly distributed on the side wall of the battery box body (1).
5. The energy storage power station fire protection system according to claim 1, characterized in that a water cooling device for cooling the battery module (13) is arranged in the battery box body (1), the water cooling device is communicated with a water cooling system outside the battery box body (1), a cold water cavity communicated with the water cooling system is arranged in the water cooling device, and the cold water cavity and the water cooling system form a circulation loop.
6. The energy storage power station fire protection system of claim 5, wherein the battery fire protection piping (12) is disposed within the battery box (1) in communication with the cold water cavity within the water cooling device.
7. The energy storage power station fire protection system of claim 5, characterized in that the battery fire protection pipe (12) is arranged outside the battery box (1) and is in communication with the water cooling system.
8. The energy storage power station fire fighting system according to claim 5, characterized in that the water cooling device is a cold water plate (10), the cold water plate (10) is disposed on the bottom surface of the battery box body (1), and the battery module (13) is placed on the cold water plate (10).
9. The energy storage power station fire-fighting system according to claim 8, characterized in that the water cooling system comprises a cooling water return pipe (15), a water tank (4), a first cooling water outlet pipe (5), an electric water pump (7) and a second cooling water outlet pipe (8) which are sequentially communicated, the cooling water return pipe (15) is communicated with a water outlet of the cold water plate (10), and the second cooling water outlet pipe (8) is communicated with a water inlet of the cold water plate (10).
10. Energy storage power station fire protection system according to claim 9, characterized in that an exhaust pipe (3) is arranged on the cooling water return pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388727.6U CN217472612U (en) | 2021-12-29 | 2021-12-29 | Fire-fighting system of energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388727.6U CN217472612U (en) | 2021-12-29 | 2021-12-29 | Fire-fighting system of energy storage power station |
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| Publication Number | Publication Date |
|---|---|
| CN217472612U true CN217472612U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123388727.6U Active CN217472612U (en) | 2021-12-29 | 2021-12-29 | Fire-fighting system of energy storage power station |
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| Country | Link |
|---|---|
| CN (1) | CN217472612U (en) |
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2021
- 2021-12-29 CN CN202123388727.6U patent/CN217472612U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Weichai New Energy Power Technology Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Patentee before: Weichai New Energy Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |