CN111384341A - A kind of lithium battery box with fireproof function and using method thereof - Google Patents
A kind of lithium battery box with fireproof function and using method thereof Download PDFInfo
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 63
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 230000002265 prevention Effects 0.000 claims abstract 3
- 239000000779 smoke Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000000112 cooling gas Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 27
- 239000007924 injection Substances 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- 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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- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
本发明公开了一种具有防火功能的锂电池箱及其使用方法,该锂电池箱包括：箱体，所述箱体侧面设有消防剂投放口、制冷剂投放口；箱体背面设有排气阀、单通阀、防爆阀；所述消防剂投放口和制冷剂投放口分别连接箱体内的消防剂输送管路和制冷剂输送管路，通过输送管路向锂电池箱内投放消防剂和制冷剂。本发明采用通过自动控制阀门投放制冷剂的方法，有效解决了利用风冷、液冷等传统冷却方式无法快速降温的问题，当出现极端着火情况时，通过自动控制阀门投放消防剂，解决了锂电池箱的灭火问题，同时能有效防止火势蔓延到相邻电池箱，提高了锂电池***的安全性。
The invention discloses a lithium battery box with fire prevention function and a method of using the same. The lithium battery box comprises: a box body, a fire-fighting agent injection port and a refrigerant injection port are arranged on the side of the box body; Air valve, one-way valve, explosion-proof valve; the fire-fighting agent injection port and the refrigerant injection port are respectively connected to the fire-fighting agent conveying pipeline and the refrigerant conveying pipeline in the box, and the fire-fighting agent and the refrigerant are injected into the lithium battery box through the conveying pipeline. The refrigerant. The invention adopts the method of injecting refrigerant through automatic control valve, which effectively solves the problem that the temperature cannot be quickly cooled by traditional cooling methods such as air cooling and liquid cooling. At the same time, it can effectively prevent the fire from spreading to adjacent battery boxes, and improve the safety of the lithium battery system.
Description
技术领域technical field
本发明涉及储能技术领域，尤其涉及一种具有防火功能的锂电池箱及其使用方法。The invention relates to the technical field of energy storage, in particular to a lithium battery box with a fireproof function and a method for using the same.
背景技术Background technique
大规模电力储能是能源互联网的重要支撑技术，其中，电池储能由于具有选址容易、配置灵活等特点，已经开始应用于电力***的新能源平滑、需求响应、功率支撑以及削峰填谷等领域。锂电池兼具了较高的功率密度和能量密度，已经在电动汽车用动力电池、电网储能及离网电源得到大量应用。现有的锂电池箱设计考虑了电池箱的散热、消防剂的浸入等功能，但防火能力不强，当锂电池热失控燃烧时会影响消防剂的有效投入，还会引起火势蔓延到相邻电池箱，导致整个***燃烧***。Large-scale power energy storage is an important supporting technology for the Energy Internet. Among them, battery energy storage has been applied to new energy smoothing, demand response, power support, and peak shaving and valley filling in the power system due to its easy location selection and flexible configuration. and other fields. Lithium batteries have both high power density and energy density, and have been widely used in power batteries for electric vehicles, grid energy storage and off-grid power supplies. The existing lithium battery box design takes into account the functions of the battery box for heat dissipation and the immersion of fire-fighting agents, but the fire protection capability is not strong. The battery box caused the entire system to burn and explode.
专利20160175972.3公开的一种车辆用电池温控***及其使用方法，是包括依次串联成冷却回路的水泵、散热器、电池包，在散热器、电池包之间增设有附加加热装置的液液换热器，使用时，散热器根据其进、出水口的即时温度控制散热功率以对电池包降温。专利201310745986.0公开的电池温控装置，是包括电池模块、还包括第一换热器、与电池模块交换热量的第二换热器，以及抽导热介质的泵，采用半导体制冷器与热管组合控制多个单体电池温度。两种方法均需配置泵、换热器等辅助电器，增加了***能耗。专利201410053242.7公开的一种带灭火装置的锂电池，壳体内部由隔层分为两个腔体，外腔体内设置有触发式灭火装置，触发部被触发，发生器将灭火材料就喷洒出来起到灭火作用，防止电池***着火。此方法针对单个锂电池进行灭火，由于设置了内外腔体，增大了锂电池成组体积，应用于大容量锂电池储能***会降低***的功率密度。专利201711474949.5公开的一种动力锂电池防火壳体，包括防火壳体和防火盖板，防火壳体和防火盖板内设有降温装置，通过充气装置向电池安装层内充惰性气体，降低电池组的工作温度，在电池模组之间设置防火隔板，在电池燃烧时，通过移动杆带动隔板主体从转轴上展开，防止火源扩散造成更大的损失。该方法采用防火隔板防止火源扩散，但未提供灭火方法。Patent 20160175972.3 discloses a vehicle battery temperature control system and its use method, which include a water pump, a radiator, and a battery pack that are connected in series to form a cooling circuit, and an additional heating device is added between the radiator and the battery pack. When in use, the radiator controls the cooling power according to the instant temperature of its inlet and outlet to cool the battery pack. The battery temperature control device disclosed in Patent No. 201310745986.0 includes a battery module, a first heat exchanger, a second heat exchanger for exchanging heat with the battery module, and a pump for pumping the thermal medium. temperature of a single cell. Both methods need to be equipped with auxiliary electrical appliances such as pumps and heat exchangers, which increases the energy consumption of the system. Patent 201410053242.7 discloses a lithium battery with a fire extinguishing device. The inside of the casing is divided into two cavities by a partition. A triggering fire extinguishing device is arranged in the outer cavity. When the triggering part is triggered, the generator sprays the fire extinguishing material. To extinguish the fire, to prevent the battery from exploding and catching fire. This method is aimed at extinguishing a single lithium battery. Due to the internal and external cavities, the volume of the lithium battery group is increased. When applied to a large-capacity lithium battery energy storage system, the power density of the system will be reduced. Patent 201711474949.5 discloses a power lithium battery fireproof casing, including a fireproof casing and a fireproof cover plate. The fireproof casing and the fireproof cover plate are provided with a cooling device, and the battery installation layer is filled with an inert gas through an inflatable device to reduce the battery pack. When the battery is burning, the main body of the separator is driven from the rotating shaft by the moving rod to prevent the spread of the fire source from causing greater losses. This method uses fire baffles to prevent the spread of fire sources, but does not provide fire extinguishing methods.
锂电池应用于大规模电力储能，尤其是高功率密度锂电池在大倍率充放电工况下，对锂电池组的安全性提出更高要求，因此需要设计具有防火功能的锂电池箱，解决传统冷却方式无法快速降温的问题，同时减少泵、空调、热交换器等其他辅助电器的使用，降低冷却能耗，还需要对电池箱的消防进行优化设计，防止极端情况下相邻电池箱间由于火势蔓延造成的火灾甚至***，提高锂电池***的安全性。Lithium batteries are used in large-scale power storage, especially high-power density lithium batteries under high-rate charge and discharge conditions, which place higher requirements on the safety of lithium battery packs. Therefore, it is necessary to design lithium battery boxes with fire protection functions to solve the problem. The problem that traditional cooling methods cannot quickly cool down, while reducing the use of pumps, air conditioners, heat exchangers and other auxiliary appliances, and reducing cooling energy consumption, it is also necessary to optimize the fire protection design of battery boxes to prevent adjacent battery boxes in extreme cases. Improve the safety of lithium battery systems due to fires and even explosions caused by fire spread.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题在于针对现有技术中的缺陷，提供一种具有防火功能的锂电池箱及其使用方法。The technical problem to be solved by the present invention is to provide a lithium battery box with a fireproof function and a method for using the same in view of the defects in the prior art.
本发明解决其技术问题所采用的技术方案是：一种具有防火功能的锂电池箱,包括：箱体，所述箱体侧面设有消防剂投放口、制冷剂投放口；箱体背面设有用于排出箱体内冷却气体的排气阀、用于维持箱体内外气压平衡的单通阀、用于极端着火情况下箱体内卸压的防爆阀；The technical solution adopted by the present invention to solve the technical problem is as follows: a lithium battery box with fireproof function, comprising: a box body, a fire-fighting agent injection port and a refrigerant injection port are arranged on the side of the box body; Exhaust valve for discharging cooling gas inside the box, one-way valve for maintaining the air pressure balance inside and outside the box, explosion-proof valve for releasing pressure inside the box under extreme fire conditions;
所述消防剂投放口和制冷剂投放口分别连接箱体内的消防剂输送管路和制冷剂输送管路，通过输送管路向锂电池箱内投放消防剂和制冷剂。The fire-fighting agent injection port and the refrigerant injection port are respectively connected to the fire-fighting agent transportation pipeline and the refrigerant transportation pipeline in the box, and the fire-fighting agent and the refrigerant are injected into the lithium battery box through the transportation pipeline.
按上述方案，所述消防剂投放口和制冷剂投放口设置在箱体侧面顶部。According to the above scheme, the fire-fighting agent injection port and the refrigerant injection port are arranged on the top of the side of the box.
按上述方案，所述消防剂输送管路包含一根横管和多根垂直管，所述横管前端和消防剂投放口连通，所述多根垂直管分别通过横管管壁的通孔和横管连通，每根垂直管上均设置数个喷头，通过喷头向电池箱内喷淋消防剂。According to the above solution, the fire-fighting agent conveying pipeline includes a horizontal pipe and a plurality of vertical pipes, the front end of the horizontal pipe is connected with the fire-fighting agent injection port, and the plurality of vertical pipes pass through the through holes and holes of the horizontal pipe wall respectively. The horizontal pipes are connected, and several nozzles are arranged on each vertical pipe, and the fire-fighting agent is sprayed into the battery box through the nozzles.
按上述方案，所述制冷剂输送管路包含一根横管和多根垂直管，所述横管前端和制冷剂投放口连通，所述多根垂直管分别通过横管管壁的通孔和横管连通，每根垂直管上均设置数个喷头，通过喷头向电池箱内喷淋制冷剂。According to the above solution, the refrigerant conveying pipeline includes a horizontal pipe and a plurality of vertical pipes, the front end of the horizontal pipe is connected with the refrigerant injection port, and the plurality of vertical pipes pass through the through holes and The horizontal pipes are connected, and each vertical pipe is provided with several nozzles, and the refrigerant is sprayed into the battery box through the nozzles.
按上述方案，所述消防剂输送管路和制冷剂输送管路的垂直管在电池箱顶部交错排列。According to the above solution, the vertical pipes of the fire-fighting agent delivery pipeline and the refrigerant delivery pipeline are staggered at the top of the battery box.
按上述方案，所述消防剂投放口和制冷剂投放口分别设置消防剂自动控制阀门和制冷剂自动控制阀门。According to the above scheme, the fire-fighting agent injection port and the refrigerant injection port are respectively provided with a fire-fighting agent automatic control valve and a refrigerant automatic control valve.
按上述方案，所述消防剂投放口和制冷剂投放口分别设置消防剂自动控制阀门和制冷剂自动控制阀门，均通过管道连接外部的消防剂储罐和制冷剂储罐。According to the above scheme, the fire-fighting agent injection port and the refrigerant injection port are respectively provided with fire-fighting agent automatic control valve and refrigerant automatic control valve, both of which are connected to external fire-fighting agent storage tanks and refrigerant storage tanks through pipes.
按上述方案，所述排气阀内径为10～20mm，所述单通阀内径为8～10mm，所述防爆阀内径为15～25mm。According to the above solution, the inner diameter of the exhaust valve is 10-20 mm, the inner diameter of the one-way valve is 8-10 mm, and the inner diameter of the explosion-proof valve is 15-25 mm.
按上述方案，所述箱体为长方体箱体。According to the above solution, the box is a cuboid box.
按上述方案，所述锂电池箱还包括放有连接相邻锂电池箱的功率线的一次线槽、放有连接相邻锂电池箱的控制线的二次线槽和用于监测箱体内锂电池温度传感器和烟雾传感器信号的电池管理单元。According to the above scheme, the lithium battery box also includes a primary wire slot for connecting the power lines of the adjacent lithium battery boxes, a secondary wire slot for the control wires connected to the adjacent lithium battery boxes, and a battery for monitoring the lithium battery in the box. Battery management unit for battery temperature sensor and smoke sensor signals.
一种具有防火功能的锂电池箱使用方法，包括以下步骤：A method for using a lithium battery box with a fireproof function, comprising the following steps:
将一定数量的锂电池密封在所述电池箱内，当电池管理单元监测到锂电池温度超过设定温度时发出温控指令，控制制冷剂投放口上的制冷剂自动控制阀门开启，通过制冷剂输送管路中带有多个喷头的垂直管向电池箱内投放制冷剂进行降温；A certain number of lithium batteries are sealed in the battery box, and when the battery management unit monitors that the temperature of the lithium battery exceeds the set temperature, a temperature control command is issued to control the refrigerant on the refrigerant injection port to automatically control the valve to open, and the refrigerant is transported through it. The vertical pipe with multiple nozzles in the pipeline puts refrigerant into the battery box to cool down;
当电池管理单元监测到烟雾信号时发出灭火指令，控制消防剂投放口上的消防剂自动控制阀门开启，通过消防剂输送管路中的多个喷头向电池箱内投放消防剂进行灭火。When the battery management unit detects the smoke signal, it sends out a fire extinguishing command, controls the fire agent on the fire agent injection port to automatically control the valve to open, and puts fire agent into the battery box through multiple nozzles in the fire agent delivery pipeline to put out the fire.
按上述方案，所述电池管理单元监测烟雾信号时，同时控制制冷剂投放口上的制冷剂自动控制阀门开启，同时投放灭火剂和制冷剂。According to the above solution, when monitoring the smoke signal, the battery management unit simultaneously controls the refrigerant automatic control valve on the refrigerant injection port to open, and simultaneously injects the fire extinguishing agent and the refrigerant.
按上述方案，所述设定温度根据不同类型锂电池的安全运行温度进行设定。According to the above solution, the set temperature is set according to the safe operating temperature of different types of lithium batteries.
本发明产生的有益效果是：本发明提供的一种具有防火功能的锂电池箱及其使用方法，在电池箱上设置制冷剂和消防剂投放口，当电池管理单元监测到锂电池温度超过设定温度时，采用制冷剂自动控制阀门投放制冷剂，有效解决利用风冷、液冷等传统冷却方式无法快速降温的问题，并且替代泵、空调等其他辅助电器，降低冷却能耗，提高了锂电池***的效率，当出现极端着火情况时，通过消防剂自动控制阀门投放消防剂，对锂电池箱进行灭火，同时能有效防止火势蔓延到相邻电池箱，提高了锂电池***的安全性。The beneficial effects of the present invention are as follows: the present invention provides a lithium battery box with a fireproof function and a method of using the same, wherein a refrigerant and fire-fighting agent injection port is arranged on the battery box, and when the battery management unit monitors that the temperature of the lithium battery exceeds the set temperature When the temperature is fixed, the refrigerant is used to automatically control the valve to put in the refrigerant, which effectively solves the problem that the traditional cooling methods such as air cooling and liquid cooling cannot quickly cool down, and replaces other auxiliary electrical appliances such as pumps and air conditioners to reduce cooling energy consumption and improve lithium ion. The efficiency of the battery system, when there is an extreme fire situation, the fire-fighting agent is automatically controlled by the valve to put the fire-fighting agent to put out the lithium battery box, and at the same time, it can effectively prevent the fire from spreading to the adjacent battery box, and improve the safety of the lithium battery system.
附图说明Description of drawings
下面将结合附图及实施例对本发明作进一步说明，附图中：The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:
图1是本发明具有防火功能的锂电池箱结构示意图。FIG. 1 is a schematic structural diagram of the lithium battery box with fireproof function of the present invention.
图2是本发明具有防火功能的锂电池箱俯视的结构示意图。FIG. 2 is a schematic top view of the structure of the lithium battery box with fireproof function according to the present invention.
图3是本发明的内部管路布置示意图。Fig. 3 is a schematic diagram of the internal piping arrangement of the present invention.
图4是本发明的外部管路连接示意图。Figure 4 is a schematic diagram of the external pipeline connection of the present invention.
图中：1、电池箱；2、一次线槽；3、电池管理单元；4、二次线槽；5、消防剂投放口；6、制冷剂投放口；7、排气阀、8、单通阀；9、防爆阀；10、消防剂自动控制阀门；11、制冷剂自动控制阀门；12、消防剂输送管路；13、制冷剂输送管路；14、喷头；15、锂电池；16、消防剂储罐；17、制冷剂储罐。In the picture: 1. Battery box; 2. Primary wire slot; 3. Battery management unit; 4. Secondary wire slot; 5. Fire agent injection port; 6. Refrigerant injection port; 7. Exhaust valve, 8. Single Through valve; 9. Explosion-proof valve; 10. Automatic control valve for fire-fighting agent; 11. Automatic control valve for refrigerant; 12. Fire-fighting agent delivery pipeline; 13. Refrigerant delivery pipeline; , Fire agent storage tank; 17. Refrigerant storage tank.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
如图1和图2所示，本发明提供一种具有防火功能的锂电池箱，包括长方体箱体1、锂电池15、一次线槽2、电池管理单元3、二次线槽4，一次线槽2放有连接相邻锂电池箱的功率线，二次线槽放有连接相邻锂电池箱的控制线、电源线，该锂电池箱在箱体侧设有消防剂投放口5、制冷剂投放口6、排气阀7、单通阀8、防爆阀9，所述消防剂投放口5和制冷剂投放口6分别连接消防剂输送管路12和制冷剂输送管路13，消防剂输送管路12和制冷剂输送管路13在电池箱1顶部交错排列，如图3,消防剂输送管路12和制冷剂输送管路13分别包含一根横管和数根垂直管，每根垂直管上均设置数个喷头14，通过喷头14向电池箱1内喷淋消防剂和制冷剂，消防剂输送管路12和制冷剂输送管路13分别通过多组并联方式共用一组消防剂储罐16和制冷剂储罐17，如图4。As shown in FIG. 1 and FIG. 2 , the present invention provides a lithium battery box with fireproof function, including a
本发明的工作原理是：将一定数量的锂电池15密封在电池箱1内，在电池运行过程中，当电池管理单元3监测到锂电池15温度超过设定值时，发出温控指令，控制制冷剂投放口6上的制冷剂自动控制阀门11开启，通过制冷剂输送管路12中带有多个喷头15的横管向电池箱1内投放制冷剂进行降温，当电池管理单元3监测到电池箱1内着火时，发出灭火指令，控制消防剂投放口5上的消防剂自动控制阀门10开启，通过消防剂输送管路12中带有多个喷头15的横管向电池箱1内投放消防剂进行灭火。The working principle of the present invention is as follows: a certain number of
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present invention.
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