CN215195151U - Distributed energy storage fire-fighting system - Google Patents
Distributed energy storage fire-fighting system Download PDFInfo
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- CN215195151U CN215195151U CN202121346805.3U CN202121346805U CN215195151U CN 215195151 U CN215195151 U CN 215195151U CN 202121346805 U CN202121346805 U CN 202121346805U CN 215195151 U CN215195151 U CN 215195151U
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Abstract
The utility model discloses a distributing type energy storage fire extinguishing systems, it includes: the fire-fighting host is connected with an external audible and visual alarm, an air-bleeding mistaken-entering indicating lamp and a user switch; a plurality of fire control units set up respectively in the top that corresponds the battery cluster, and every fire control unit is connected with the fire control host computer respectively, and wherein every fire control unit includes: a box body; the composite detector is arranged below the box body, is electrically connected with the fire-fighting host and is in data connection with a battery management system corresponding to the battery cluster; the fire-fighting tank is arranged in the box body and internally provided with a fire extinguishing agent; the fire fighting tank electromagnetic valve is arranged in the box body, is electrically connected with the fire fighting host, and is respectively connected to the outlet of the fire fighting tank and a top fire fighting pipe; the water pipe electromagnetic valve is arranged in the box body, is electrically connected with the fire-fighting host, and is respectively connected to an external fire-fighting water source and an internal water pipe; and the audible and visual alarm is arranged below the box body and is electrically connected with the fire-fighting host.
Description
Technical Field
The utility model relates to an energy storage fire control technical field particularly, relates to a distributed energy storage fire control system.
Background
In recent years, due to the increasing demand for energy storage, the position of a lithium ion battery energy storage system in a power system becomes 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, a new energy grid connection and a microgrid. With the large-scale application of battery energy storage power stations, the safety performance of energy storage systems draws extensive attention.
At present, a fire-fighting system applied to energy storage usually adopts full-submerged heptafluoropropane to extinguish fire, the running condition of the energy storage system is monitored by arranging a plurality of temperature-sensitive and smoke-sensitive detectors, and when the detectors monitor fire signals, the condition of battery damage is actually serious; the fire extinguishing system sprays the heptafluoropropane fire extinguishing agent according to the detected fire signal, so that the fire extinguishing agent fills the whole space within a certain time, and the fire area and the part without fire are not effectively isolated, so that the fire is easy to spread. In addition, the fire extinguishing agent is sprayed to the whole energy storage system, but not to the partial area where the fire breaks out, so that the fire extinguishing effect is not ideal, and the fire cannot be quickly, efficiently and safely extinguished; furthermore, thermal runaway of a battery is a chain reaction, and although fire can be temporarily suppressed by extinguishing a fire with heptafluoropropane, the temperature inside the thermal runaway battery may be in a high state after the fire is extinguished, and thus there is a risk of secondary reignition. Once a secondary reburning occurs, there is no effective means for the energy storage system to continue to prevent the spread of the fire because the fire suppressant has been completely injected, and this can have even more serious consequences.
Therefore, a distributed energy storage fire fighting system needs to be designed, fire fighting management and control can be independently carried out on each battery cluster, and meanwhile, under extreme conditions, if all fire extinguishing agents are completely sprayed out, the battery can still have a re-combustion risk, and continuous cooling and fire extinguishing can be realized by introducing other fire fighting measures, so that the safety of the energy storage system and related personnel is ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a distributed energy storage fire extinguishing system, it can independently carry out the fire control management and control to each battery cluster, uses the container to optimize as the design thinking of basic fire unit with the tradition, has introduced the design theory that gaseous putting out a fire and liquid put out a fire and combine together simultaneously, can decompose the isolation with safe risk, avoids the expansion of conflagration risk. Meanwhile, each fire-fighting unit adopts a standardized design, the problems of complexity and difficulty in installation of a traditional water fire-fighting pipeline are solved, and the fire safety of the energy storage system can be comprehensively ensured.
In order to achieve the above object, the utility model provides a distributed energy storage fire extinguishing system, it includes:
the fire-fighting host is connected with an outside audible and visual alarm, an air-bleeding mistaken-entry indicating lamp and a user switch;
a plurality of fire control units set up respectively in the top that corresponds the battery cluster, every fire control unit respectively with the fire control host computer is connected, and wherein every fire control unit includes:
a box body;
the composite detector is arranged below the box body and electrically connected with the fire fighting host, and is also in data connection with a battery management system corresponding to the battery cluster;
the fire-fighting tank is arranged in the box body and internally provided with a fire extinguishing agent;
the fire fighting tank electromagnetic valve is arranged in the box body and is electrically connected with the fire fighting host, and pipelines of the fire fighting tank electromagnetic valve are respectively connected to an outlet of the fire fighting tank and a top fire fighting pipe and are used for forming an internal fire fighting gas passage;
the water pipe electromagnetic valve is arranged in the box body and electrically connected with the fire-fighting host, and pipelines of the water pipe electromagnetic valve are respectively connected to an external fire-fighting water source and an internal water pipe and are used for forming a fire-fighting liquid internal passage and introducing the external fire-fighting water source for cooling and fire extinguishing when the fire-fighting liquid internal passage is opened; and
and the acousto-optic alarm in the station is arranged below the box body and is electrically connected with the fire fighting host.
In an embodiment of the present invention, wherein the fire extinguishing agent disposed in the fire-fighting tank includes: heptafluoropropane, perfluorohexanone, or an aerosol.
The utility model discloses an in the embodiment, wherein, still include a plurality of fire control pipes of establishing ties and a plurality of middle fire control pipe, wherein:
each middle fire fighting pipe is arranged at the top of each battery box in the corresponding battery cluster;
the plurality of fire fighting pipes in series connection are arranged at the front parts of the corresponding battery clusters, and each fire fighting pipe in series connection with each middle fire fighting pipe in sequence to form a battery cluster fire fighting gas-liquid external passage;
and two ends of the battery pack fire-fighting gas-liquid external passage are respectively connected to the top fire-fighting pipe and the internal water pipe. In an embodiment of the present invention, wherein the content detected by the composite detector includes: CO, hydrogen, VOC flue gas and temperature.
Compared with the energy storage fire-fighting system in the prior art, the utility model has the advantages that:
1) each fire fighting unit can independently control fire fighting of each battery cluster;
2) the design concept of combining gas fire extinguishing with liquid fire extinguishing is introduced, and a fire-fighting pipeline is shared;
3) every fire unit adopts standardized design, has solved the problem that traditional water fire control pipeline is complicated, the installation is difficult.
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 diagram of a fire fighting system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a fire fighting unit according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a battery cluster of a fire fighting unit to which an embodiment of the present invention is applied;
fig. 4 is a schematic view of a battery box of a fire fighting unit to which the present invention is applied.
Description of reference numerals: 101-a fire-fighting host; 102-a fire fighting unit; 111-an outside station audible and visual alarm; 112-deflation false entry indicator light; 113-user switch; 121-a composite detector; 122-fire fighting tank solenoid valve; 123-audible and visual alarm in the station; 124-water pipe electromagnetic valve; 125-fire-fighting tank; 126-battery management system; 201-fire-fighting tank; 202-fire fighting tank solenoid valve; 203-internal water pipe; 204-water pipe solenoid valve; 205-audible and visual alarm in station; 206-composite detector; 207-box body; 208-top fire hose; 301-a fire fighting unit; 302-a battery holder; 303-battery box; 304-fire hose in series; 401-battery case; 402-a battery module; 403-middle fire hose; 404-a connector; 405-a fan.
Detailed Description
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 any creative effort belong to the protection scope of the present invention.
Example one
Fig. 1 is the fire extinguishing system architecture diagram of an embodiment of the present invention, as shown in fig. 1, this embodiment provides a distributed energy storage fire extinguishing system, which includes:
the fire-fighting host (101), the fire-fighting host (101) is connected with an outdoor audible and visual alarm (111), an air-bleeding mistaken-entering indicating lamp (112) and a user switch (113);
a plurality of fire control units (102), set up respectively in the top that corresponds the battery cluster, every fire control unit (102) is connected with fire control host computer (101) respectively, and wherein every fire control unit (102) includes:
a case (not shown);
the composite detector (121) is arranged below the box body, is electrically connected with the fire-fighting host (101) and is used for detecting CO (carbon monoxide), hydrogen, temperature, VOC (volatile organic compounds) smoke and the like in the corresponding battery cluster, and the composite detector (121) is also in data connection with battery management systems (BMS1) (126) of the corresponding battery cluster and is used for data communication;
a fire-fighting tank (125) arranged in the box body and internally provided with a fire extinguishing agent;
the fire fighting tank electromagnetic valve (122) is arranged in the box body and is electrically connected with the fire fighting host (101), and pipelines of the fire fighting tank electromagnetic valve (122) are respectively connected to an outlet of the fire fighting tank (125) and a top fire fighting pipe (not shown in figure 1) and are used for forming an internal fire fighting gas passage and enabling fire extinguishing agents in the fire fighting tank (125) to enter the top fire fighting pipe when the fire fighting tank electromagnetic valve is opened;
the water pipe electromagnetic valve (124) is arranged inside the box body and electrically connected with the fire-fighting host (101), and the pipeline of the water pipe electromagnetic valve (123) is also respectively connected to an external fire-fighting water source (not shown in figure 1) and an internal water pipe (not shown in figure 1) for forming an internal fire-fighting liquid passage and introducing the external fire-fighting water source for cooling and fire extinguishing when the water pipe electromagnetic valve is opened; and
and the acousto-optic alarm (123) in the station is arranged below the box body and is electrically connected with the fire-fighting host (101).
In the embodiment, the fire extinguishing agent contained in the fire fighting tank (125) comprises: heptafluoropropane, perfluorohexanone, aerosol, and the like.
Fig. 2 is a schematic structural diagram of a fire fighting unit in an embodiment of the present invention, as shown in fig. 2, in this embodiment, components inside a box (207) of each fire fighting unit are connected as follows:
the pipeline of the fire-fighting tank (201), the pipeline of the fire-fighting tank battery valve (202) and the top fire-fighting pipe (208) are sequentially connected in series to form a fire-fighting gas internal passage corresponding to a battery cluster, wherein one end, which is not connected with the fire-fighting tank battery valve (202), of the top fire-fighting pipe (208) serves as an output end, and the fire-fighting tank battery valve (202) is electrically connected with a fire-fighting host, so that the fire-fighting host can control the fire-fighting tank battery valve (202) to be opened, and then a fire extinguishing agent in the fire-fighting tank flows into the pipeline in the corresponding battery cluster through the output end of the top fire-fighting pipe (208);
an external fire-fighting water source (not shown), a pipeline of the water pipe electromagnetic valve (204) and the internal water pipe (203) are sequentially connected in series to form a fire-fighting liquid internal passage corresponding to the battery cluster, wherein one end, which is not connected with the water pipe electromagnetic valve (204), of the internal water pipe (203) is used as an output end, and the water pipe electromagnetic valve (204) is electrically connected with a fire-fighting host, so that the fire-fighting host can control the water pipe electromagnetic valve (204) to be opened after the fire extinguishing agent is sprayed, and then the external fire-fighting water source is connected to flow into the internal water pipe (203) to cool and extinguish fire;
the in-station audible and visual alarm (205) is arranged below the box body, and is electrically connected with the fire-fighting host, so that when in-station alarming is needed, the fire-fighting host controls the in-station audible and visual alarm (205) to be started to send out audible and visual alarm;
composite detector (206) sets up in the box below, because it is electric connection with the fire control host computer, consequently when it detects situations such as combustible gas, flue gas or temperature variation and exists, can send alarm information to the fire control host computer.
Fig. 3 is a schematic diagram of a battery cluster of a fire fighting unit to which the present invention is applied, and as shown in fig. 3, the battery cluster in this embodiment includes:
a battery holder (302);
a plurality of battery boxes (303) which are arranged on the battery rack (302) and are locked by screws;
the plurality of fire fighting pipes (304) are arranged at the front part of the battery cluster, and each fire fighting pipe (304) is connected with the middle fire fighting pipe in each battery box (303) in series in sequence to form a fire fighting gas-liquid external passage of the battery cluster;
a fire-fighting unit (301) is arranged at the top of the battery cluster, a top fire-fighting pipe (208 in figure 2) of the fire-fighting unit (301) is connected to one end of the battery cluster fire-fighting gas-liquid external passage, and an internal water pipe (203 in figure 2) of the fire-fighting unit (301) is connected to the other end of the battery cluster fire-fighting gas-liquid external passage, so that a loop (which can be regarded as a U-shaped loop) is formed.
For the sake of clarity, the connection modes of the top fire fighting pipe, the internal water pipe, the plurality of fire fighting pipes connected in series and the middle fire fighting pipe in each battery box are as follows: the top fire control pipe is connected to the one end of first series connection fire control pipe, the middle fire control pipe in the first battery box is connected to the other end, the other end of the middle fire control pipe in the first battery box is connected to the one end of the fire control pipe of second series connection, the other end of the fire control pipe of second series connection is connected to the middle fire control pipe in the second battery box, the other end of the middle fire control pipe in the second battery box is connected to the one end of the fire control pipe of third series connection, so on, the one end that last series connection fire control pipe is not connected to inside water pipe with middle fire control union coupling. By the connection mode, after the battery valve of the fire-fighting tank is opened, the fire extinguishing agent in the fire-fighting tank enters a passage formed by the plurality of fire-fighting pipes connected in series and the middle fire-fighting pipe of each battery box through the top fire-fighting pipe so as to be sprayed; after the water pipe electromagnetic valve is opened, an external fire fighting water source enters a passage formed by the plurality of fire fighting pipes connected in series and the middle fire fighting pipe of each battery box through the internal water pipe so as to cool and extinguish fire in the water passage.
Fig. 4 is a schematic diagram of a battery box of a fire fighting unit to which the present invention is applied, as shown in fig. 4, in this embodiment, each battery box in a battery cluster includes:
a battery case (401);
a battery module (402) fixed inside the battery case (401);
the middle fire fighting pipe (403) is fixed at the top of the battery box body (401) and is communicated with the output end of the corresponding series fire fighting pipe (304) at the front part of the battery cluster;
a connector (404) which is arranged on the front panel of the battery box body (401) and is used as a positive and negative electrode connecting end of the battery module (402) to be connected with other battery modules;
the fan (405) is arranged on the front panel of the battery box body (401) and used for providing circulating air for the battery box so as to reduce the heat of the battery box;
the battery module (402) includes a plurality of cells, and each cell includes an explosion-proof valve (the existing cell structure is not described herein).
In this embodiment, referring to fig. 2 to 3, the top fire fighting pipe of the fire fighting unit is further communicated with the middle fire fighting pipe of each battery box in the corresponding battery cluster through a plurality of fire fighting pipes connected in series on the corresponding battery cluster, and is used for spraying fire extinguishing agent when needed.
The distributed energy storage fire extinguishing system of this embodiment can independently carry out the fire control management and control to each battery cluster, optimizes the design idea that uses the container to be basic fire unit with the tradition, has introduced the design theory that gaseous putting out a fire and liquid put out a fire and combine together simultaneously, can decompose the isolation with safe risk, avoids the risk to enlarge. Meanwhile, each fire-fighting unit adopts a standardized design, and the problems of complexity and difficulty in installation of the traditional water fire-fighting pipeline are solved.
Example two
Referring to fig. 1 to 4, in this embodiment, a specific implementation manner of the distributed energy storage fire fighting system is as follows:
1. when a certain battery cell in any battery module in any battery cluster is out of control due to heat, the temperature of the certain battery cell rises sharply, at the moment, an explosion-proof valve of the battery cell is opened and sprays a large amount of high-temperature gas, and meanwhile, a BMS sends a shutdown instruction after detecting a fault, so that an energy storage system is shut down;
2. when high temperature continues to occur, and after the middle fire fighting pipe fixed at the top of the corresponding battery module is subjected to high temperature, the pipe wall of the middle fire fighting pipe is broken, the fire fighting host controls the battery valve of the fire fighting tank to be opened, the fire extinguishing agent enters the middle fire fighting pipe through the top fire fighting pipe and the series fire fighting pipe and starts to spray the fire extinguishing agent to the broken part, the spraying process can be carried out at intervals, the interval time can be preset in the fire fighting host, and the main purpose is to prevent re-combustion; meanwhile, the composite detector sends alarm information to the fire-fighting host after detecting gas or temperature and the like, the fire-fighting host controls the audible and visual alarm in the station to start to send audible and visual alarm according to the received alarm signal, and controls the audible and visual alarm outside the station and the air release non-entering indicator lamp to start;
3. if the fire situation is further upgraded, and after the fire extinguishing agents in the fire fighting tank are all sprayed, the composite detector can still detect a large amount of combustible gas, and meanwhile, the BMS also detects the over-temperature of other electric cores, the thermal runaway in the energy storage system is proved to be spread, and at the moment, the fire fighting host controls the opening of the water pipe electromagnetic valve, and an external fire fighting water source is introduced into the internal water pipe to cool and extinguish the thermal runaway point;
4. if an extreme condition occurs, namely the fire of a single battery cluster is uncontrollable and begins to spread to the surrounding, the fire-fighting host can actively control to open the fire-fighting tank battery valve at the top of other battery clusters (such as adjacent battery clusters) so as to spray fire extinguishing agent, thereby extinguishing the fire of the whole container.
In addition, in the utility model discloses in other embodiments, also can set up to several adjacent battery cluster sharing one fire control jar, the inside water pipe of a plurality of battery clusters also can be the intercommunication, and concrete setting mode can set up according to the scale of battery cluster, but its connected mode is the same with embodiment one.
In this embodiment, the content detected by the composite detector includes: CO, hydrogen, VOC flue gas and temperature etc, consequently, the compound detector is surveyed and is also selected the form of thalposis + smoke sensation, the utility model discloses do not restrict the concrete type of compound detector.
Compare with current energy storage fire extinguishing systems, the utility model discloses an advantage includes: 1) each fire fighting unit can independently control fire fighting of each battery cluster; 2) the design concept of combining gas fire extinguishing with liquid fire extinguishing is introduced, and a fire-fighting pipeline is shared; 3) every fire unit adopts standardized design, has solved the problem that traditional water fire control pipeline is complicated, the installation is difficult.
Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. A distributed energy storage fire fighting system, comprising:
the fire-fighting host is connected with an outside audible and visual alarm, an air-bleeding mistaken-entry indicating lamp and a user switch;
a plurality of fire control units set up respectively in the top that corresponds the battery cluster, every fire control unit respectively with the fire control host computer is connected, and wherein every fire control unit includes:
a box body;
the composite detector is arranged below the box body and electrically connected with the fire fighting host, and is also in data connection with a battery management system corresponding to the battery cluster;
the fire-fighting tank is arranged in the box body and internally provided with a fire extinguishing agent;
the fire fighting tank electromagnetic valve is arranged in the box body and is electrically connected with the fire fighting host, and pipelines of the fire fighting tank electromagnetic valve are respectively connected to an outlet of the fire fighting tank and a top fire fighting pipe and are used for forming an internal fire fighting gas passage;
the water pipe electromagnetic valve is arranged in the box body and electrically connected with the fire-fighting host, and pipelines of the water pipe electromagnetic valve are respectively connected to an external fire-fighting water source and an internal water pipe and are used for forming a fire-fighting liquid internal passage and introducing the external fire-fighting water source for cooling and fire extinguishing when the fire-fighting liquid internal passage is opened; and
and the acousto-optic alarm in the station is arranged below the box body and is electrically connected with the fire fighting host.
2. The distributed energy storage fire fighting system of claim 1, wherein the fire suppressant disposed within the fire fighting tank comprises: heptafluoropropane, perfluorohexanone, or an aerosol.
3. The distributed energy storage fire fighting system of claim 1, further comprising a plurality of fire fighting pipes in series and a plurality of intermediate fire fighting pipes, wherein:
each middle fire fighting pipe is arranged at the top of each battery box in the corresponding battery cluster;
the plurality of fire fighting pipes in series connection are arranged at the front parts of the corresponding battery clusters, and each fire fighting pipe in series connection with each middle fire fighting pipe in sequence to form a battery cluster fire fighting gas-liquid external passage;
and two ends of the battery pack fire-fighting gas-liquid external passage are respectively connected to the top fire-fighting pipe and the internal water pipe.
4. The distributed energy storage fire fighting system according to claim 1, wherein the content detected by the composite detector includes: CO, hydrogen, VOC flue gas and temperature.
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| CN202121346805.3U CN215195151U (en) | 2021-06-17 | 2021-06-17 | Distributed energy storage fire-fighting system |
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| CN202121346805.3U CN215195151U (en) | 2021-06-17 | 2021-06-17 | Distributed energy storage fire-fighting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115154958A (en) * | 2022-04-21 | 2022-10-11 | 山东德晋新能源科技有限公司 | Energy storage container with multiple fire-fighting systems and fire-fighting method thereof |
| CN115382131A (en) * | 2022-08-25 | 2022-11-25 | 兴数能源科技有限公司 | Fire fighting system and method for light storage micro-grid scene |
| CN115920275A (en) * | 2022-10-09 | 2023-04-07 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capacity and expandable energy storage system |
-
2021
- 2021-06-17 CN CN202121346805.3U patent/CN215195151U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115154958A (en) * | 2022-04-21 | 2022-10-11 | 山东德晋新能源科技有限公司 | Energy storage container with multiple fire-fighting systems and fire-fighting method thereof |
| CN115382131A (en) * | 2022-08-25 | 2022-11-25 | 兴数能源科技有限公司 | Fire fighting system and method for light storage micro-grid scene |
| CN115920275A (en) * | 2022-10-09 | 2023-04-07 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capacity and expandable energy storage system |
| CN115920275B (en) * | 2022-10-09 | 2024-03-01 | 浙江南都能源科技有限公司 | Gas-liquid combined fire-fighting system with multiple fire-extinguishing capability and expandable energy storage system |
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