CN110649190B - Fire model and fire simulation method for lithium iron phosphate energy storage power station - Google Patents
Fire model and fire simulation method for lithium iron phosphate energy storage power station Download PDFInfo
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- CN110649190B CN110649190B CN201910760133.1A CN201910760133A CN110649190B CN 110649190 B CN110649190 B CN 110649190B CN 201910760133 A CN201910760133 A CN 201910760133A CN 110649190 B CN110649190 B CN 110649190B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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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
Abstract
The invention belongs to the field of fire protection of new energy lithium iron phosphate energy storage power stations, and particularly relates to a fire model and a fire simulation method of a lithium iron phosphate energy storage power station, which comprise a battery module prefabricated cabin; the battery module frame is arranged in the battery module prefabricated cabin; the battery module is arranged in the battery module frame; the overcharging equipment is positioned outside the prefabricated cabin of the battery module and is connected with the battery module; the short-circuit equipment is positioned outside the prefabricated cabin of the battery module and is connected with the battery module; wherein, the number of the battery modules is 1 or 5 or more than 5, and all the battery modules are in a full charge state; defining 1 battery module as a module-level battery module; defining 5 and more than 5 battery modules as cluster-level battery modules; wherein, the module level battery module is directly arranged in the battery module frame; 5 battery modules in the cluster-level battery modules are arranged in a cross shape, and the rest battery modules are randomly arranged. The fire model and the fire simulation method can truly and effectively simulate the real working condition of the energy storage power station when a fire disaster occurs.
Description
Technical Field
The invention belongs to the field of fire protection of new energy lithium iron phosphate energy storage power stations, and particularly relates to a fire model and a fire simulation method of a lithium iron phosphate energy storage power station.
Background
The lithium iron phosphate battery has the advantages of high energy density, high output voltage, long cycle life, small environmental pollution and the like, and is widely used in various electronic equipment, electric automobiles and electrochemical energy storage. The accumulated loading capacity of the lithium iron phosphate energy storage power station is steadily increased, the loading capacity exceeds 2000MW by 2020, the annual growth rate is close to 70%, once a fire disaster occurs, the reliability and safety of power supply are seriously damaged, and the social influence and harm are great. At present, no fire extinguishing method capable of effectively extinguishing fire disasters of the battery prefabricated cabin of the lithium iron phosphate energy storage power station exists in the world, and a large number of internal and external energy storage power station battery prefabricated cabin fire disasters are proved well.
At present, no fire model capable of reflecting the entity fire of the lithium iron phosphate energy storage power station exists in domestic and foreign research and experiment institutions. The effectiveness of the fire extinguishing system is verified only by using the single battery fire as a fire model, which is unreasonable and has great hidden danger, and the main problems are as follows:
1) and does not reflect the actual fire size. Because the energy storage power station is small and then comprises several prefabricated battery cabins, is big and then comprises dozens of prefabricated battery cabins, and every prefabricated battery cabin of battery installs several hundred battery modules, and every battery module contains dozens of battery cells, according to the Battery Management System (BMS) control principle in prefabricated battery cabin of battery, dozens of battery modules form a cluster. In case of fire, a battery module level fire, even a cluster level fire or a whole battery prefabricated compartment fire may occur. The fire scale is much larger than that of a single battery. Therefore, the fire extinguishing performance of the fire extinguishing system cannot be verified by the single battery fire model.
2) The real propagation process of the thermal runaway of the lithium battery cannot be reflected. If only one single battery exists, the problem of propagation of thermal runaway does not exist; in practice, dozens of single batteries are put together to form a battery module, and dozens of battery modules form a cluster. If a single battery is out of control, the thermal runaway of the whole battery module can be propagated, and then the thermal runaway is propagated among the battery modules, so that the thermal runaway of a cluster is caused, and finally the thermal runaway of the whole prefabricated cabin is caused. Therefore, the single battery fire model cannot verify the cooling and thermal runaway inhibiting performance of the fire extinguishing system.
Disclosure of Invention
The invention provides a fire model and a fire simulation method for a lithium iron phosphate energy storage power station, which can truly and effectively simulate the real working condition of the energy storage power station when a fire breaks out.
In order to achieve the technical purpose, the technical scheme adopted by the application is that the fire disaster model of the lithium iron phosphate energy storage power station comprises
The battery module prefabricated cabin is used for carrying out a fire simulation experiment;
the battery module frame is arranged in the battery module prefabricated cabin;
the battery module is arranged in the battery module frame;
the overcharge equipment is positioned outside the prefabricated cabin of the battery module, is connected with the battery module and promotes the lithium iron phosphate energy storage power station to generate a fire disaster in an overcharge mode;
the short-circuit equipment is positioned outside the prefabricated cabin of the battery module, is connected with the battery module and promotes the lithium iron phosphate energy storage power station to generate a fire disaster in a short-circuit mode;
wherein, the number of the battery modules is 1 or 5 or more than 5, and all the battery modules are in a full charge state; defining 1 battery module as a module-level battery module; defining 5 and more than 5 battery modules as cluster-level battery modules;
when the fire disaster model is used for the module-level battery module, the module-level battery module is directly arranged in the battery module frame, and the overcharge equipment or the short-circuit equipment is directly connected with the battery module;
when the fire disaster model is used for the cluster-level battery modules, 5 battery modules in the cluster-level battery modules are arranged in a cross shape, and the rest battery modules are randomly arranged; the overcharging equipment or the short-circuit equipment is directly connected with the battery modules at the center of the cluster-level battery modules which are distributed in a cross shape.
As the improved technical scheme of the application, the upper part of the battery module prefabricated cabin on the surface opposite to the battery module frame is provided with the pressure relief port.
As the improved technical scheme of this application, the prefabricated cabin of battery module is equipped with the observation window on the one side relative with the battery module frame, and the position of observation window corresponds to the battery module in the battery module frame.
As this application modified technical scheme, the prefabricated cabin of battery module is equipped with a plurality of gas detection wares in the one side of placing the battery module frame.
As the improved technical scheme of the application, a plurality of explosion-proof lamps are uniformly distributed at the top of the prefabricated cabin of the battery module.
According to the technical scheme, a plurality of common cameras are arranged above one surface, opposite to a battery module frame, of the battery module prefabricated cabin, the common cameras are uniformly distributed, and the straight line shooting range of the common cameras located in the middle section corresponds to the battery module; the battery module prefabricated cabin is still equipped with a high definition digtal camera and an infrared camera in the top of the relative one side with battery module frame, and a high definition digtal camera all corresponds to the battery module with an infrared camera's sharp shooting scope.
As an improved technical scheme of the application, the battery module frame can only be used for placing one battery module in the horizontal direction of the battery module prefabricated cabin, and can be used for placing a plurality of battery modules in the height direction; namely, when the frame is used for a module-level battery module, a battery module frame is adopted; when the battery module frame is used for a cluster-level battery module, at least three battery module frames are adopted and are arranged in parallel.
Another objective of the present application is to provide a fire simulation method for a fire model of a lithium iron phosphate energy storage power station, which includes the following steps:
setting an external power supply, and continuously charging the battery module by the power supply through overcharging equipment until the battery module is out of control due to heat and is burnt in case of fire; or the power supply adopts short-circuit equipment to enable the battery module to generate thermal runaway until the battery module is ignited and burnt;
a temperature and gas monitoring system is arranged, connected with the thermocouple and the gas detector and used for monitoring and acquiring temperature data, gas concentration data and the change rule of temperature and gas;
and a monitoring area is arranged and used for acquiring image information monitored by a common camera, a high-definition camera and an infrared camera, acquiring data information processed by a temperature and gas monitoring system and displaying related information.
Advantageous effects
The fire model created by the invention can fully reflect the real working condition of the fire of the battery prefabricated cabin of the lithium iron phosphate energy storage power station, and provides powerful guarantee for verifying the effectiveness of various fire extinguishing systems in extinguishing the fire of the battery prefabricated cabin of the lithium iron phosphate station. The problem of among the prior art lithium iron phosphate energy storage power station conflagration model can not fully embody the real operating mode when the conflagration breaks out in lithium iron phosphate energy storage power station to whether effectual serious problem of fire extinguishing system to lithium iron phosphate energy storage power station conflagration can not effectively be verified is solved.
In conclusion, the fire model provides technical support for researching fire-fighting products and standard specifications of the lithium iron phosphate energy storage power station, and also provides technical support for fire safety of the power industry in China.
Drawings
FIG. 1 illustrates a fire model for a lithium iron phosphate energy storage power station under a single battery module;
FIG. 2 shows a fire model of a lithium iron phosphate energy storage power station under 5 battery modules;
FIG. 3 is a schematic diagram of a system for testing a fire model according to the present invention.
In the figure: 1. a battery module prefabricating cabin; 2. prefabricating a cabin door; 3. a battery module; 4. a battery module frame; 5. a gas detector; 6. an explosion-proof lamp; 7. an observation window; 8. a pressure relief port; 9. a common camera; 10. an infrared camera; 11. a high-definition camera; 12. a short-circuiting device; 13. an overcharge device; 14. a power source; 15. a monitoring area; 16. temperature, gas monitoring system.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in figures 1-2, a fire model of a lithium iron phosphate energy storage power station comprises
The battery module prefabrication cabin 1 is provided with prefabrication cabin doors 2 symmetrically at two ends of the length direction and used for carrying out fire simulation experiments. Defining: the battery module prefabricated cabin 1 is installed on the ground, and the surface is the horizontal plane, and the direction that is on a parallel with the horizontal plane is the horizontal direction, and the perpendicular to horizontal direction is the direction of height.
The battery module frame 4 is arranged in the battery module prefabricated cabin 1; in order to save space, a battery module frame 4 of this application is pressed close to the installation of a lateral wall of the prefabricated cabin of battery module 1, and for the accuracy of simulation experiment, battery module frame 4 is located the interlude of the prefabricated cabin of battery module 1.
The battery modules 3 are arranged in the battery module frame 4, the number of the battery modules is 1 or 5 or more than 5, and all the battery modules are in a full charge state; defining 1 battery module as a module-level battery module; defining 5 and more than 5 battery modules as cluster-level battery modules. The module-level battery module is directly arranged in the battery module frame; when the fire disaster model is used for the module-level battery module, the module-level battery module is directly arranged in the battery module frame, and the overcharging equipment or the short-circuit equipment is directly connected with the battery module. 5 battery modules in the cluster-level battery modules are arranged in a cross shape, and the rest battery modules are randomly arranged. When the fire disaster model is used for the cluster-level battery modules, 5 battery modules in the cluster-level battery modules are arranged in a cross shape, and the rest battery modules are randomly arranged; the overcharging equipment or the short-circuit equipment is directly connected with the battery modules at the center of the cluster-level battery modules which are distributed in a cross shape. In order to facilitate monitoring of the combustion situation, a thermocouple is provided on the cell membrane module 3 connected to the overcharge apparatus or the short-circuit apparatus.
The battery module frame can be used for placing only one battery module in the horizontal direction of the battery module prefabricated cabin, and a plurality of battery modules in the height direction; namely, when the frame is used for a module-level battery module, a battery module frame is adopted; when the battery module frame is used for a cluster-level battery module, at least three battery module frames are adopted and arranged in parallel.
The battery module prefabricated cabin 1 is provided with a pressure relief opening 8 on the surface opposite to the battery module frame 4 so as to realize safety prevention and control.
The battery module prefabricated cabin 1 is provided with an observation window 7 corresponding to the lithium battery module on one surface opposite to the battery module frame 4 (herein, the lithium battery module is selected as the battery module, and of course, batteries of other types can be selected as the battery module).
The battery module prefabricated cabin 1 is equipped with a plurality of gas detector 5 in the one side of placing the battery module frame, and a plurality of gas detector 5 evenly lay in the both sides and the opposite of battery module frame, chooses 3 gas detector for use in this embodiment, and wherein two gas detector divide and locate the both sides of battery module frame, and another sets up in the another side of battery module frame corresponding to wherein arbitrary gas detector.
The top surface of the battery module prefabricated cabin 1 is provided with a plurality of explosion-proof lamps 6; 3 explosion-proof lamps are selected for use in this embodiment, and the top in prefabricated cabin 1 of battery module is located to 2 explosion-proof lamps equidistant.
A plurality of common cameras 9 are uniformly distributed from one end to the other end above one surface of the battery module prefabricated cabin 1 opposite to the battery module frame, and a high-definition camera 11 and an infrared camera 10 are arranged in the middle of the battery module prefabricated cabin; in the embodiment, 3 common cameras 9 are selected, and the 3 common cameras are respectively arranged on the right opposite side and two sides of the battery module frame; 3 common cameras are arranged to ensure that the dynamic change of the battery module is comprehensively observed without dead angles; wherein high definition digtal camera 11 is located the positive opposite face of battery module frame with infrared camera 10 for observe the infrared change of battery module.
In order to ensure the authenticity of the simulation, the battery module prefabricated cabin 1, the battery module frame 4 and the battery module 3 are the same as those adopted in the actual engineering.
The battery module prefabricating cabin is characterized by further comprising overcharging equipment 13 or short-circuit equipment 12, wherein the overcharging equipment or the short-circuit equipment is located outside the battery module prefabricating cabin and connected with the battery module; the external power supply 14 adopts overcharge equipment or short-circuit equipment, so that the battery module arranged in the battery module frame is subjected to thermal runaway and violent thermal runaway until the battery module is burnt in a fire, and the pre-burning time is the response time of the fire extinguishing system.
A fire simulation method for a module-level battery fire model, comprising the steps of: setting an external power supply, and continuously charging the single battery module by the power supply through overcharging equipment until the battery module is out of control due to heat and is burnt in case of fire; or the power supply adopts short-circuit equipment to enable the battery module to generate thermal runaway until the battery module is ignited and burnt;
setting a temperature and gas monitoring system for acquiring monitored data information of the gas detector;
a monitoring area 15 is arranged and used for acquiring image information monitored by a common camera, a high-definition camera and an infrared camera, acquiring data information processed by a temperature and gas monitoring system and feeding back the data information to a temperature and gas monitoring system 16; the temperature and gas monitoring system is any system capable of achieving the monitoring purpose in the prior art, and details are not given in the present application.
A fire simulation method for a cluster-level battery fire model comprises the following steps: setting an external power supply, and continuously charging the plurality of battery modules by the power supply through overcharging equipment until the battery modules are out of control due to heat and are burnt in case of fire; or the power supply adopts short-circuit equipment to enable the middle battery module in the cross structure in the plurality of battery modules to generate thermal runaway until the battery modules are ignited and burnt;
a temperature and gas monitoring system is arranged, is connected with the thermocouple and the gas detector and is used for monitoring and acquiring temperature data, gas concentration data and the change rule of temperature and gas;
a monitoring area 15 is arranged and used for acquiring image information monitored by a common camera, a high-definition camera and an infrared camera, acquiring data information processed by a temperature and gas monitoring system and displaying related information; the temperature and gas monitoring system is any system capable of achieving the monitoring purpose in the prior art, and is not detailed in the application; the monitoring area can be any display or processor with a display screen which can realize monitoring and observation in the prior art, and the monitoring area is not an innovative point of the application and is not described in detail.
When verifying whether effective fire extinguishing test is carried out on lithium iron phosphate energy storage power station conflagration to fire extinguishing system, the conflagration model that can embody lithium iron phosphate energy storage power station entity conflagration needs. Through research and a large number of experiments, a fire model capable of reflecting the entity fire of the lithium iron phosphate energy storage power station is determined.
One group of a large number of examples adopts constant current of 0.5C (172A) to carry out overcharge for 16min, safety valves on the single batteries are opened sequentially, electrolyte, various combustible gases and solid particles are sprayed out, wherein the content of H2 can be detected, dense smoke appears after 22min, open fire appears after 27min, the strong combustion is carried out, and the combustion time lasts for 1H.
In conclusion, the problem that the current fire model of the lithium iron phosphate energy storage power station cannot fully reflect the real working condition of the lithium iron phosphate energy storage power station when the fire breaks out, and therefore whether the fire extinguishing system is effective or not on the fire of the lithium iron phosphate energy storage power station can not be effectively verified is solved.
The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (5)
1. A fire simulation method for a fire model of a lithium iron phosphate energy storage power station is characterized in that the fire model of the lithium iron phosphate energy storage power station comprises the following steps:
the battery module prefabricated cabin is used for carrying out a fire simulation experiment;
the battery module frame is arranged in the battery module prefabricated cabin; the battery module frame is arranged close to one side wall of the battery module prefabricated cabin and is positioned in the middle section of the battery module prefabricated cabin; the battery module frame can be used for placing only one battery module in the horizontal direction of the battery module prefabricated cabin, and a plurality of battery modules in the height direction;
the battery module is arranged in the battery module frame; 1 or 5 or more than 5 battery modules are provided, and all the battery modules are in a full charge state; defining 1 battery module as a module-level battery module; defining 5 and more than 5 battery modules as cluster-level battery modules;
the overcharge equipment is positioned outside the prefabricated cabin of the battery module, is connected with the battery module and promotes the lithium iron phosphate energy storage power station to generate a fire disaster in an overcharge mode;
the short-circuit equipment is positioned outside the prefabricated cabin of the battery module, is connected with the battery module and promotes the lithium iron phosphate energy storage power station to generate a fire disaster in a short-circuit mode;
the battery module prefabricating cabin is provided with a plurality of common cameras above one surface opposite to the battery module frame, the common cameras are uniformly distributed, and the straight line shooting range of the common cameras positioned in the middle section corresponds to the battery module; the battery module prefabricating cabin is also provided with a high-definition camera and an infrared camera which are positioned right opposite to the battery module frame above one surface opposite to the battery module frame, and the straight line shooting ranges of the high-definition camera and the infrared camera correspond to the battery module;
when the battery module frame is used for a fire model of a module-level battery module, adopting the battery module frame, directly placing the module-level battery module in the battery module frame, directly connecting overcharging equipment or short-circuit equipment to the battery module, and arranging a thermocouple on the battery module connected to the overcharging equipment or the short-circuit equipment;
when the battery module frame is used for a fire model of a cluster-level battery module, at least three battery module frames are adopted, at least three battery module frames are arranged in parallel, 5 battery modules in the cluster-level battery module are arranged in a cross manner, the rest battery modules are randomly arranged, overcharge equipment or short-circuit equipment is directly connected to the battery module at the central position of the cluster-level battery module arranged in the cross manner, and a thermocouple is arranged on the battery module connected to the overcharge equipment or the short-circuit equipment;
the fire simulation method comprises a fire simulation method for a module-level battery fire model and a fire simulation method for a cluster-level battery fire model;
the fire simulation method for the module-level battery fire model comprises the following steps of:
setting an external power supply, and continuously charging the single battery module by the power supply through overcharging equipment until the battery module is out of control due to heat and is burnt in case of fire; or the power supply adopts short-circuit equipment to enable the battery module to generate thermal runaway until the battery module is ignited and burnt;
a temperature and gas monitoring system is arranged, is connected with the thermocouple and the gas detector and is used for monitoring and acquiring temperature data, gas concentration data and the change rule of temperature and gas;
setting a monitoring area, wherein the monitoring area is used for acquiring image information monitored by a common camera, a high-definition camera and an infrared camera, acquiring data information processed by a temperature and gas monitoring system and displaying related information;
the fire simulation method for the cluster-level battery fire model comprises the following steps of:
setting an external power supply, and continuously charging the plurality of battery modules by the power supply through overcharging equipment until the battery modules are out of control due to heat and are burnt in case of fire; or the power supply adopts short-circuit equipment to enable the middle battery module in the cross structure in the plurality of battery modules to generate thermal runaway until the battery modules are ignited and burnt;
a temperature and gas monitoring system is arranged, is connected with the thermocouple and the gas detector and is used for monitoring and acquiring temperature data, gas concentration data and the change rule of temperature and gas;
and a monitoring area is arranged and used for acquiring image information monitored by a common camera, a high-definition camera and an infrared camera, acquiring data information processed by a temperature and gas monitoring system and displaying related information.
2. The fire simulation method for the fire model of the lithium iron phosphate energy storage power station as claimed in claim 1, wherein the prefabricated cabin of the battery module is provided with a pressure relief opening at the upper part of the surface opposite to the frame of the battery module.
3. The fire simulation method for the fire model of the lithium iron phosphate energy storage power station as claimed in claim 1, wherein the battery module prefabricated cabin is provided with an observation window on a surface opposite to the battery module frame, and the observation window is positioned corresponding to the battery module in the battery module frame.
4. The fire simulation method for the fire model of the lithium iron phosphate energy storage power station as claimed in claim 1, wherein a plurality of gas detectors are arranged on one side of the battery module prefabricated cabin where the battery module frame is placed.
5. The fire simulation method for the fire model of the lithium iron phosphate energy storage power station as claimed in claim 1, wherein a plurality of explosion-proof lamps are uniformly distributed on the top of the prefabricated cabin of the battery module.
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| CN114050378B (en) * | 2021-11-02 | 2023-06-02 | 国网湖北省电力有限公司宜昌供电公司 | Cartridge clip type direct current storage battery module |
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