CN216629483U - Acoustic, optical, electric and thermal comprehensive fire-fighting system applicable to electrochemical energy storage scene - Google Patents
Acoustic, optical, electric and thermal comprehensive fire-fighting system applicable to electrochemical energy storage scene Download PDFInfo
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- CN216629483U CN216629483U CN202121801447.0U CN202121801447U CN216629483U CN 216629483 U CN216629483 U CN 216629483U CN 202121801447 U CN202121801447 U CN 202121801447U CN 216629483 U CN216629483 U CN 216629483U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to the technical field of fire fighting, in particular to an acousto-optic-electric-thermal comprehensive fire fighting system suitable for an electrochemical energy storage scene, which comprises: the temperature probes are arranged at the connection part of the connector and on each battery cell aluminum row, and the gas nozzles are connected with the fire probe pipes; the gas nozzle and the fire detection pipe extend into each module of the electrochemical energy storage system, and the fire detection pipe is communicated with the gas storage tank through a gas pipeline and is provided with an electromagnetic valve; the fire probe pipe and the gas pipeline are both temperature sensitive and melt and break when the temperature exceeds a specific temperature; and the linkage battery management system is connected with the temperature probe and the electromagnetic valve. Through the combination of an active fire-fighting mechanism and a passive fire-fighting mechanism, the fire-fighting operation can still be completed under the condition that the fire-fighting system has an unexpected fault, and the risk of disaster enlargement is greatly reduced. Temperature probe sets up in the inside of battery module to and the tertiary protection mechanism's of BMS setting, discovery hidden danger that can be earlier, send the early warning, take corresponding measure, can prevent in advance, reduce the risk.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to a fire fighting technology used in an electrochemical energy storage scene.
Background
At present, fire fighting facilities of an electrochemical energy storage station generally adopt a smoke sensor for monitoring fire, alarming, and then automatically extinguishing fire by depending on heptafluoropropane and water spraying according to an alarm signal or starting a fire extinguishing device by a person, and belongs to an active fire extinguishing mode after receiving a specific alarm signal.
Such fire fighting equipment has the following problems:
because the smoke sensor gives an alarm when sensing smoke, and the disaster is already in a sprouting or developing state when giving an alarm, the alarm mode has lagged time, and the fire hazard cannot be pre-warned.
The fire control is implemented and is installed in the battery module outside, and the battery is inside to appear unusual back, receives mounted position and the opportunity of putting out a fire to and the influence of signal interference factor, if alarm signal receives the unable normal start fire extinguishing systems of interference or other unexpected troubles, whole energy storage system battery is on fire or even the explosion can't in time put out a fire, endangers personnel life safety, and the risk is huge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an acousto-optic-electro-thermal comprehensive fire-fighting system suitable for an electrochemical energy storage scene, and solves the problem that the conventional fire-fighting system has relatively lagged alarm and has the risk that fire-fighting facilities cannot be started due to unexpected faults in an active fire-fighting mode.
In order to solve the above problems, the present invention provides the following technical solutions.
An acousto-optic electro-thermal comprehensive fire-fighting system suitable for an electrochemical energy storage scene comprises:
the temperature probes are arranged at the connection part of the socket connector and on each battery cell aluminum bar and are used for acquiring the temperature of the battery cell and the temperature of the socket connector in real time;
the gas nozzle is connected with the fire detection pipe; the gas nozzle and the fire detection pipe extend into each module of the electrochemical energy storage system, and the fire detection pipe is communicated with the gas storage tank through a gas pipeline and is provided with an electromagnetic valve; the fire probe pipe and the gas pipeline are both temperature sensitive and melt and break when exceeding a specific temperature;
and the linkage battery management system is connected with the temperature probe and the electromagnetic valve.
The configuration can complete the matching of an active fire-fighting mechanism and a passive fire-fighting mechanism. Under the normal condition, the start-up of linkage battery management system control index and control solenoid valve, when unexpected trouble appearing, when uncontrolled, fire probe pipe, gas pipeline melt and break, release fire extinguishing gas surpassing specific temperature.
The linkage battery management system sets a three-level protection mechanism of level 1 warning, level 2 protection and level 3 prohibition according to system voltage and temperature current parameters; and a red, yellow and green three-color alarm lamp is arranged by matching with a three-level protection mechanism of the linkage battery management system, and field personnel are reminded to take corresponding measures according to the alarm signal.
The further improvement is that a buzzer is arranged by matching with a three-level alarm mechanism of the linkage battery management system; under the condition that the protection level alarm is triggered in the operation process of the energy storage system, the buzzer can make a sound intermittently, and under the condition that the prohibition level alarm is triggered in the operation process of the energy storage system, the buzzer makes a sound continuously to remind field personnel to take corresponding measures according to the alarm signal.
In a further improvement, the electromagnetic valve is in a closed state under a normal working state;
under the condition that the forbidden level alarm is triggered in the operation process of the energy storage system, the electromagnetic valve relay is closed, the electromagnetic valve is conducted, and the valve is in an open state.
In a further refinement, the warning light is configured to: under normal conditions, a green light is on, the early warning of level 1 is yellow, the protection of level 2 and the prohibition of level 3 are red.
In a further improvement, the fire detection pipe is communicated with the gas storage tank through a main pipeline, and the electromagnetic valve is arranged on a gas pipeline at an outlet of the gas storage tank.
In a further improvement, the fire extinguishing gas stored in the gas storage tank is heptafluoropropane.
In a further improvement, the fire probe pipe and the gas pipeline can automatically melt and break in a temperature area exceeding 170 ℃.
Compared with the prior art, the utility model has the beneficial effects that:
(1) this device still can accomplish the operation of putting out a fire under the condition that fire extinguishing system accident trouble takes place through the combination of initiative fire control mechanism and passive fire extinguishing mechanism, very big reduction the risk that the disaster enlarges.
(2) The temperature probe sets up in the inside of battery module to and the tertiary protection mechanism's of BMS setting, discovery hidden danger that can be earlier, send the early warning, take corresponding measure, can prevent in advance, reduce the loss.
(3) Temperature probe, gas nozzle, fire probe stretch into the inside of every module of electrochemistry energy storage system, can put out a fire fast, accurately to for going out the gas usage of practicing thrift from the outside.
(4) The early warning combining sound, light and electricity enables workers to receive early warning information from multiple directions and multiple senses, and the capability of the workers for rapidly responding to a treatment site is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a front view of an energy storage fire protection system provided by the present invention;
FIG. 2 is a rear view of the energy storage fire protection system provided by the present invention;
fig. 3 is an internal structural view of a battery module according to the present invention.
In the figure, the position of the upper end of the main shaft,
1 is a 3-color warning lamp;
2 is a buzzer alarm;
3 is a signal transmission line;
4 is a cabinet;
5 is a battery management system;
6 is a battery module;
7 is an electromagnetic valve;
8 is a gas pipeline;
9 is a heptafluoropropane gas tank;
10 is a fire-fighting pipeline through hole;
11 is a fire detection pipe;
12 is a main fire-fighting gas pipeline;
13 is a nozzle;
14 is a temperature probe;
and 15 is a voltage acquisition terminal.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As described in the background art, the existing electrochemical energy storage station fire-fighting equipment is arranged outside the battery module, and an active fire-fighting mode is adopted, so that the time of the alarm mode is relatively delayed, and the risk that the fire-fighting device cannot be normally started when an accident occurs exists. In order to solve the above problem, the embodiment provides an acousto-optic electro-thermal comprehensive fire-fighting system suitable for an electrochemical energy storage scene.
The structural arrangement of the apparatus is described below.
As shown in fig. 1-2, the heptafluoropropane gas storage tank 9 is arranged on one side of the battery module, the battery module comprises a plurality of battery modules 6, 5 battery modules are shown in the figure, the upper end of each battery module is a battery management system 5(BMS), and the top end of the cabinet 4 is provided with a 3-color warning lamp 1 and a buzzer alarm 2 which are connected with the battery management system 5.
An outlet of a heptafluoropropane gas storage tank 9 is connected with a gas pipeline 8 and is provided with a normally closed solenoid valve 7. The gas pipeline 8 penetrates through a fire fighting pipeline through hole 10 of the cabinet 4 and is communicated with a fire fighting gas main pipeline 12 inside the battery module.
As shown in fig. 3, a main fire fighting gas pipe 12 is connected to a fire detection pipe 11 inside the battery module, the fire detection pipe 11 is bent and coiled on the core of the battery module, and a plurality of nozzles 13 are provided on the fire detection pipe 11 to face the core of the battery module.
The temperature probes 14 are disposed at the connector junction and on each cell aluminum row for real-time temperature acquisition of the cell temperature and the connector. The voltage acquisition terminal 15 is arranged on the battery cell for acquiring voltage signals. The temperature probe 14 and the voltage acquisition terminal 15 are connected to the battery management system 5 through the signal transmission line 3.
The operation mechanism of the apparatus is described below.
Generally, the operation mechanism of the device is divided into two conditions, wherein the active fire extinguishing mechanism when the fire extinguishing system operates normally is triggered, and the passive fire extinguishing mechanism when other accidents such as power failure occur is triggered.
1. And actively triggering a fire-fighting mechanism.
When the fire fighting system operates normally, the battery management system 5 determines the early warning level through the voltage and temperature signals collected by the temperature probe 14 and the voltage collecting terminal 15 and the current signal detected by the system, and controls the 3-color warning lamp 1, the buzzer alarm 2 and the normally closed solenoid valve to be opened and closed.
Acoustics aspect-fire extinguishing systems add buzzers.
Under the condition that a 2-level alarm mechanism is triggered in the running process of the energy storage system, a buzzer is triggered to intermittently make a sound to remind field personnel and timely troubleshoot a fault system;
under the condition that a 3-level alarm mechanism is triggered in the running process of the energy storage system, a buzzer is triggered to continuously make a sound to remind field personnel to evacuate the system field in time.
Optics aspect-fire protection systems incorporate tri-color warning lights.
The system sets up red yellow green three-colour warning light, and the suggestion that light was sent out one's face is made to the tertiary protection mechanism of cooperation BMS.
Green represents that the energy storage system works normally;
yellow represents that the energy storage system is abnormal and needs related personnel to check faults;
and red represents that the energy storage system has fire risk, and related personnel are reminded of timely evacuating from a working site.
In the aspect of electric power, (1) -the fire fighting system adopts an electromagnetic valve to control the on-off of a fire fighting pipeline.
The heptafluoropropane pipeline valve controls the on-off of the electromagnetic valve through a relay.
Under the normal working state, the battery valve is in a closed state, and no fire extinguishing gas exists in the pipeline;
under the condition that a 3-level alarm mechanism is triggered in the operation process of the energy storage system, the relay is closed, the electromagnetic valve is conducted, and the heptafluoropropane gas is sprayed to the abnormal position of the battery through the pipeline, so that the purpose of extinguishing the fire is achieved.
In the aspect of electric power, (2) -the fire-fighting system adopts a high-precision temperature probe to monitor the temperature condition of the energy storage system in real time.
The high-precision temperature probes are arranged at the connection part of the high-precision temperature probes and the connector assembly and on each battery cell aluminum bar, and real-time temperature acquisition is carried out on the temperature of the battery cell and the reliability of the connector assembly. At the moment that the temperature is abnormal, the temperature is transmitted to the BMS system, so that the system fault can be judged in advance, and hidden dangers can be eliminated in time.
Power aspect (3) -fire protection system linkage Battery Management System (BMS).
BMS system tertiary protection mechanism. And the parameters such as system voltage, temperature and current are subjected to triple settings of warning, protection and prohibition, the state of a battery core in the energy storage system is pre-judged, and abnormal conditions are processed in advance.
Structural aspects- -optimization of gas nozzle location.
Inside gas nozzle stretched into every module of energy storage system, when triggering fire extinguishing systems, can be fast accurate send the module inside heptafluoropropane is gaseous, play rapid cooling's effect of putting out a fire.
The BMS tertiary protection mechanism is as follows.
Parameter table of BMS three-level protection mechanism
The parameter xx is only an example, and can be determined according to actual conditions in actual production.
2. A passive fire extinguishing mechanism.
The heptafluoropropane pipeline adopts the fire detection pipe sensitive to temperature, when a passive fire-fighting system fails (such as system power failure or failure of an electromagnetic valve) and cannot work normally, the fire detection pipe and the gas pipeline are automatically melted and broken in an area exceeding 170 ℃, and heptafluoropropane gas is automatically sprayed out from the broken part, so that the rapid and accurate fire extinguishing effect is achieved.
Through the two mechanisms, the device can still complete the fire extinguishing operation under the condition that the fire extinguishing system has unexpected faults through the combination of the active fire extinguishing mechanism and the passive fire extinguishing mechanism, and the risk of loss expansion is greatly reduced.
The temperature probe sets up in the inside of battery module to and the tertiary protection mechanism's of BMS setting, discovery hidden danger that can be earlier, send the early warning, take corresponding measure, can prevent in advance, reduce the loss.
Temperature probe, gas nozzle, fire probe stretch into the inside of every module of electrochemistry energy storage system, can put out a fire fast, accurately to for the gaseous use amount of the follow external festival of going out.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides an acoustooptic optoelectrical thermal synthesizes fire extinguishing system suitable for electrochemistry energy storage scene is used which characterized in that includes:
the temperature probes are arranged at the connector connection part and on each battery cell aluminum bar;
the gas nozzle is connected with the fire detection pipe; the gas nozzle and the fire detection pipe extend into each module of the electrochemical energy storage system, and the fire detection pipe is communicated with the gas storage tank through a gas pipeline and is provided with an electromagnetic valve; the fire probe pipe and the gas pipeline are both temperature sensitive and melt and break when exceeding a specific temperature;
and the linkage battery management system is connected with the temperature probe and the electromagnetic valve.
2. The comprehensive acousto-optic-electro-thermal fire-fighting system suitable for electrochemical energy storage scenes as claimed in claim 1,
the linkage battery management system sets a three-level protection mechanism of level 1 warning, level 2 protection and level 3 prohibition according to system voltage and temperature current parameters;
and a red, yellow and green three-color alarm lamp is arranged by matching with a three-level protection mechanism of the linkage battery management system.
3. The comprehensive acousto-optic-electro-thermal fire-fighting system suitable for electrochemical energy storage scenes as claimed in claim 2,
a buzzer is arranged in cooperation with a three-level alarm mechanism of the linkage battery management system;
the buzzer can make an intermittent sound under the condition that the protection level alarm is triggered in the operation process of the energy storage system, and the buzzer makes a continuous sound under the condition that the prohibition level alarm is triggered in the operation process of the energy storage system.
4. The comprehensive acousto-optic-electro-thermal fire-fighting system suitable for electrochemical energy storage scenes as claimed in claim 2,
the electromagnetic valve is in a closed state under a normal working state;
under the condition that the forbidden level alarm is triggered in the operation process of the energy storage system, the electromagnetic valve relay is closed, the electromagnetic valve is conducted, and the valve is in an open state.
5. An acousto-optic electro-thermal integrated fire fighting system adapted for use in an electrochemical energy storage scenario, according to claim 2, wherein the alarm light is configured to: under normal conditions, the green light is on, the level 1 early warning is yellow, the level 2 protection is carried out, and the level 3 protection is forbidden to be red.
6. The acousto-optic-electro-thermal integrated fire fighting system suitable for electrochemical energy storage scenes as claimed in claim 2, characterized in that the fire detection pipe is communicated with the gas storage tank through a main pipe, and the electromagnetic valve is arranged in a gas pipe at the outlet of the gas storage tank.
7. An acousto-optic electro-thermal integrated fire protection system adapted for use in an electrochemical energy storage scenario according to any one of claims 1 to 6, characterised in that the fire suppressing gas stored in the gas tank is heptafluoropropane.
8. An acousto-optic-electro-thermal integrated fire fighting system according to any one of claims 1 to 6, characterized in that the fire probe and the gas pipeline are capable of melting and breaking automatically in a temperature region exceeding 170 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121801447.0U CN216629483U (en) | 2021-08-03 | 2021-08-03 | Acoustic, optical, electric and thermal comprehensive fire-fighting system applicable to electrochemical energy storage scene |
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| CN202121801447.0U CN216629483U (en) | 2021-08-03 | 2021-08-03 | Acoustic, optical, electric and thermal comprehensive fire-fighting system applicable to electrochemical energy storage scene |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976427A (en) * | 2022-06-16 | 2022-08-30 | 东风时代(武汉)电池系统有限公司 | Design and method of battery box with active fire extinguishing function |
| CN115944869A (en) * | 2022-11-25 | 2023-04-11 | 浙江南都能源科技有限公司 | Fire-fighting system of energy storage cabinet and control method thereof |
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2021
- 2021-08-03 CN CN202121801447.0U patent/CN216629483U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976427A (en) * | 2022-06-16 | 2022-08-30 | 东风时代(武汉)电池系统有限公司 | Design and method of battery box with active fire extinguishing function |
| CN115944869A (en) * | 2022-11-25 | 2023-04-11 | 浙江南都能源科技有限公司 | Fire-fighting system of energy storage cabinet and control method thereof |
| CN115944869B (en) * | 2022-11-25 | 2024-06-18 | 浙江南都能源科技有限公司 | Fire protection system of energy storage cabinet and control method thereof |
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