CN215731860U - High security module partition type energy storage system - Google Patents
High security module partition type energy storage system Download PDFInfo
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- CN215731860U CN215731860U CN202121930500.7U CN202121930500U CN215731860U CN 215731860 U CN215731860 U CN 215731860U CN 202121930500 U CN202121930500 U CN 202121930500U CN 215731860 U CN215731860 U CN 215731860U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a high-safety module partitioned energy storage system, and belongs to the technical field of energy storage batteries. The fire monitoring system comprises a battery module, a temperature sensor, a battery module cooling system, a fire monitoring device, a fire extinguishing system, an isolation bin and a smoke exhaust system; the battery module comprises a plurality of battery monomers, and each battery module is independently arranged in one sealed isolation bin; the temperature sensor, the battery module cooling system, the fire monitoring device and the fire extinguishing system are arranged inside the isolation bin, and the smoke exhausting system is connected with the isolation bin. The utility model can ensure that the battery module in the energy storage system works at a proper temperature, greatly improves the fire emergency capacity when the battery in the energy storage system has local problems, avoids the spreading accident caused by the local safety problem of the energy storage system, and has good application prospect.
Description
Technical Field
The utility model belongs to the technical field of energy storage batteries, and particularly relates to a high-safety module partition type energy storage system.
Background
With the rapid development of renewable energy, a large-scale energy storage system is required to support the pressure of relieving peak load and frequency modulation of a power grid, and the consumption capability of new energy is improved. At present, an electrochemical energy storage system is one of the most rapidly developed energy storage modes, and the safety problem of the electrochemical energy storage system cannot be ignored along with the large-scale application of the electrochemical energy storage system. Because the batteries contain a large amount of organic electrolyte, the battery energy storage system has certain safety risk, when the temperature uniformity among the batteries is poor or the batteries are overcharged and over-discharged, the local part of the batteries can be subjected to smoking or ignition, and if the batteries are not properly treated, the whole energy storage power station can be ignited or even explode, so that huge personal injuries and deaths and property losses are caused.
The safety protection of present battery energy storage system mainly is the protection to whole energy storage container, and direct mount fire sprinkler usually will spray water to whole energy storage system when energy storage system local position goes wrong and put out a fire, not only can cause great loss like this, produces a large amount of poisonous and harmful combustible gases in whole container in addition easily and produces secondary hazard, and the further extensive application of energy storage system can't be supported in extensive fire control management.
Disclosure of Invention
In order to solve the existing problems, the utility model aims to provide a high-safety module-isolated energy storage system, which can ensure that a battery module in the energy storage system works at an appropriate temperature, greatly improve the fire emergency capacity when the battery in the energy storage system has local problems, and prevent the occurrence of spreading accidents caused by the local safety problems of the energy storage system.
The utility model is realized by the following technical scheme:
the utility model discloses a high-safety module isolating type energy storage system which comprises a battery module, a temperature sensor, a battery module cooling system, a fire monitoring device, a fire extinguishing system, an isolation bin and a smoke exhaust system, wherein the battery module is arranged in the isolation bin;
the battery module comprises a plurality of battery monomers, and each battery module is independently arranged in one sealed isolation bin; the temperature sensor, the battery module cooling system, the fire monitoring device and the fire extinguishing system are arranged inside the isolation bin, and the smoke exhausting system is connected with the isolation bin.
Preferably, battery module cooling system includes the inside circuitous liquid cooling pipe that sets up in isolation storehouse, is equipped with liquid cooling pipeline valve on the liquid cooling pipe, and liquid cooling pipe is connected to coolant liquid circulation system.
Further preferably, the cooling liquid circulation system comprises a cooling liquid storage device, a liquid cooling main pipe and a liquid return main pipe, the liquid cooling main pipe is connected with a water outlet of the cooling liquid storage device, a main valve and a pump are arranged on the liquid cooling main pipe, two ends of each liquid cooling pipe are respectively connected with the liquid cooling main pipe and the liquid return main pipe, the liquid return main pipe is connected with a water return port of the cooling liquid storage device, and each liquid cooling pipe is provided with a branch valve.
Preferably, the isolation bin is made of fireproof and explosion-proof materials.
Preferably, the fire monitoring means comprises a smoke alarm and an open fire alarm operating in tandem.
Preferably, the smoke exhaust system comprises smoke exhaust pipelines, each isolation bin is provided with a smoke exhaust port, the smoke exhaust ports are connected with smoke exhaust branch pipes, the smoke exhaust branch pipes are provided with signal valves, all the smoke exhaust branch pipes are connected to the smoke exhaust pipelines, and the smoke exhaust pipelines are connected with the smoke treatment system through smoke treatment outlets.
Preferably, the temperature sensors are distributed in the isolation bin uniformly.
Preferably, the fire extinguishing system comprises a plurality of fire extinguishing agent spray guns, the fire extinguishing agent spray guns are distributed in the isolation bin, and the overlapped spraying range of the fire extinguishing agent spray guns covers the whole isolation bin.
Preferably, each battery module is connected with one DC-DC module, and each DC-DC module is connected to the battery management system.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the high-safety module partition type energy storage system disclosed by the utility model, the working temperature of the battery module in the isolation bin can be monitored through the temperature sensor, when an accident happens, an alarm can be given in time through the fire monitoring device, and when a fire is extinguished through the fire extinguishing system, smoke is discharged through the smoke discharging system. The safety of the energy storage system can be effectively improved by isolating the battery modules in the independent isolation bin, and the adjacent modules cannot be influenced even if the accidents of combustion and even explosion occur in time; the gas after the accident is generated is automatically discharged through an exhaust system, so that the dangerous gas is prevented from being accumulated in a closed space, and the occurrence of a secondary accident is prevented; the mode of isolating the battery module alone can reduce the loss after the energy storage accident to the utmost extent. The utility model greatly improves the fire emergency capacity when the battery in the energy storage system has local problems, and avoids the spreading accident caused by the local safety problem of the energy storage system.
Furthermore, the whole system is cooled in a liquid cooling mode and keeps the temperature constant, so that the high-efficiency temperature operation of the whole energy storage system can be ensured even in a closed operation environment.
Furthermore, the water circulation pipeline is connected with each isolation bin in a parallel mode by arranging the liquid cooling main pipe and the liquid return main pipe, each branch is relatively independent, the heat transfer efficiency of the system is high, the stability is good, and the system is suitable for large-scale energy storage systems with high requirements on temperature control accuracy.
Furthermore, the fire-proof and explosion-proof material is adopted for the separation bin, so that when a single battery module breaks down and burns or explodes, the battery modules in the separation bin around can not be influenced, and the safety of the whole energy storage system is improved.
Furthermore, the fire monitoring device comprises a smoke alarm and an open fire alarm which work in a cooperative mode, so that the accuracy of fire alarm can be improved, and economic loss caused by misjudgment is avoided.
Furthermore, a plurality of temperature sensors are uniformly distributed in the isolation bin respectively, so that the temperature in the isolation bin can be comprehensively monitored.
Furthermore, the fire extinguishing system comprises a plurality of fire extinguishing agent spray guns, the overlapped spraying range covers the inside of the whole isolation bin, and the fire can be quickly extinguished after the fire breaks out.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the system comprises a battery module 1, a temperature sensor 2, a liquid cooling pipeline valve 3, a liquid cooling pipe 4, a fire monitoring device 5, a fire extinguishing system 6, an isolation bin 7, a signal valve 8, a smoke exhaust pipeline 9 and a smoke treatment outlet 10.
Detailed Description
The utility model will now be described in further detail with reference to the following drawings and specific examples, which are intended to be illustrative and not limiting:
referring to fig. 1, the isolated energy storage system with high safety modules of the present invention includes a battery module 1, a temperature sensor 2, a battery module cooling system, a fire monitoring device 5, a fire extinguishing system 6, an isolation bin 7, and a smoke evacuation system.
The battery module 1 comprises a plurality of battery monomers, each battery module 1 is connected with one DC-DC module, and each DC-DC module is connected to the battery management system. Each battery module 1 is independently arranged in a closed isolation bin 7; the temperature sensor 2, the battery module cooling system, the fire monitoring device 5 and the fire extinguishing system 6 are arranged inside the isolation bin 7, and the smoke exhausting system is connected with the isolation bin 7.
In a preferred embodiment of the present invention, the battery module cooling system includes a liquid cooling pipe 4 that is arranged inside the isolation bin 7 in a winding way, the liquid cooling pipe 4 is provided with a liquid cooling pipeline valve 3, and the liquid cooling pipe 4 is connected to the cooling liquid circulation system. Preferably, the liquid-cooled tube 4 may directly pass through the battery module 1. Preferably, the cooling liquid circulation system comprises a cooling liquid storage device, a liquid cooling main pipe and a liquid return main pipe, the liquid cooling main pipe is connected with a water outlet of the cooling liquid storage device, a main valve and a pump are arranged on the liquid cooling main pipe, two ends of each liquid cooling pipe 4 are respectively connected with the liquid cooling main pipe and the liquid return main pipe, the liquid return main pipe is connected with a water return port of the cooling liquid storage device, and each liquid cooling pipe 4 is provided with a branch valve.
In a preferred embodiment of the present invention, the isolation chamber 7 is made of fireproof and explosion-proof material.
In a preferred embodiment of the utility model, the fire monitoring device 5 comprises a smoke alarm and an open fire alarm working in conjunction.
In a preferred embodiment of the utility model, the smoke exhaust system comprises smoke exhaust pipes 9, each isolation bin 7 is provided with a smoke exhaust port, the smoke exhaust ports are connected with smoke exhaust branch pipes, the smoke exhaust branch pipes are provided with signal valves 8, all the smoke exhaust branch pipes are connected to the smoke exhaust pipes 9, and the smoke exhaust pipes 9 are connected with the smoke treatment system through smoke treatment outlets 10. Preferably, the exhaust duct 9 is provided with an exhaust fan, so that the exhaust of the smoke can be ensured as soon as possible.
In a preferred embodiment of the present invention, a plurality of temperature sensors 2 are uniformly distributed in the isolation bin 7.
In a preferred embodiment of the utility model, the fire extinguishing system 6 comprises a plurality of fire extinguishing agent spray guns, the fire extinguishing agent spray guns are distributed in the isolation bin 7, and the overlapped spraying range of the fire extinguishing agent spray guns covers the whole isolation bin 7.
The working method of the high-safety module isolating type energy storage system comprises the following steps:
the temperature sensor 2 monitors the temperature in the isolation bin 7, and the normal working temperature of the battery module 1 is ensured by using a battery module cooling system; when the fire monitoring device 5 monitors that the battery module 1 is on fire, the battery module 1 cuts out the whole energy storage system, the fire extinguishing system 6 is started to extinguish the fire, and the smoke exhausting system is started to exhaust smoke.
The utility model is further illustrated by the following specific examples:
the single battery in the battery module 1 in the energy storage system is a lithium ion battery, the capacity of the energy storage system is 2MW/2MWh, the capacity of each battery module 1 is 125kW/125kWh, the lithium ion battery energy storage system is composed of 16 battery modules 1, each battery module 1 is independently placed in an isolation bin 7, each isolation bin 7 is a closed environment, and the isolation bin 7 and other isolation bins 7 are not affected mutually. The isolation bin material 7 of the battery module 1 can prevent fire and explosion, and when the batteries in the isolation bin 7 of the energy storage system are burnt or exploded, the batteries in the surrounding isolation bins cannot be influenced.
An independent fire alarm system, an independent fire extinguishing system 6 and an independent exhaust system are arranged in each battery module 1 isolation bin 7. For example, when an overcharge fault occurs in one battery module 1 of the lithium ion battery energy storage system, the battery module 1 starts to smoke and gradually starts to generate sparks. At the moment, the fire monitoring device 5 in the fire alarm system arranged in the isolation bin 7 of the battery module 1 can detect signals to alarm, and simultaneously, the signals are quickly transmitted to the control system, so that the connection between the fault battery module 1 and the energy storage system is cut off. And meanwhile, the fire extinguishing system 6 is linked, the fire extinguishing system 6 is automatically started after the alarm system gives an alarm, and the fire extinguishing agent is sprayed to the fault battery module 1 to extinguish the fire. When fire extinguishing system 6 is putting out a fire to trouble battery module 1, exhaust system's signal valve 8 is opened through control system is automatic, discharges after the flue gas processing that produces battery module 1 in isolation storehouse 7. After the state of the battery module 1 is stable, the battery module 1 with the fault is opened to properly process, and a new battery module 1 is replaced, so that the energy storage system can normally operate again.
Each battery module 1 is connected with a battery management system through an independent DC-DC, and is independently controlled by the battery management system. A liquid cooling pipe 4 penetrates between the battery modules 1, the temperature sensors 2 are placed between the batteries, and the batteries in the sealed isolation bin are cooled through the liquid cooling pipe 4 while the temperature consistency between the battery modules 1 is kept.
In the embodiments provided in the present application, the technical content disclosed mainly aims at a high-safety module-partitioned energy storage system, and the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application, or equivalent structures or equivalent flow changes made by using the content of the present specification and the drawings, or directly or indirectly applied to other related technical fields, shall be covered within the scope of the present invention.
Claims (9)
1. A high-safety module partition type energy storage system is characterized by comprising a battery module (1), a temperature sensor (2), a battery module cooling system, a fire monitoring device (5), a fire extinguishing system (6), an isolation bin (7) and a smoke exhaust system;
the battery module (1) comprises a plurality of battery monomers, and each battery module (1) is independently arranged in a closed isolation bin (7); the temperature sensor (2), the battery module cooling system, the fire monitoring device (5) and the fire extinguishing system (6) are arranged inside the isolation bin (7), and the smoke exhausting system is connected with the isolation bin (7).
2. The high-safety module partitioned energy storage system according to claim 1, wherein the battery module cooling system comprises a liquid cooling pipe (4) which is arranged inside the isolation bin (7) in a winding manner, a liquid cooling pipeline valve (3) is arranged on the liquid cooling pipe (4), and the liquid cooling pipe (4) is connected to a cooling liquid circulation system.
3. The high-safety modular partitioned energy storage system according to claim 2, wherein the cooling liquid circulation system comprises a cooling liquid storage device, a liquid cooling main pipe and a liquid return main pipe, the liquid cooling main pipe is connected to a water outlet of the cooling liquid storage device, a main valve and a pump are arranged on the liquid cooling main pipe, two ends of each liquid cooling pipe (4) are respectively connected to the liquid cooling main pipe and the liquid return main pipe, the liquid return main pipe is connected to a water return port of the cooling liquid storage device, and a branch valve is arranged on each liquid cooling pipe (4).
4. The high-safety module-partitioned energy storage system according to claim 1, wherein the isolation bin (7) is made of fireproof and explosion-proof material.
5. The high-safety modular partitioned energy storage system of claim 1, wherein the fire monitoring device (5) comprises a smoke alarm and an open fire alarm working in cooperation.
6. The isolated energy storage system of claim 1, wherein the smoke exhaust system comprises smoke exhaust pipes (9), each isolated bin (7) is provided with a smoke exhaust port, the smoke exhaust port is connected with a smoke exhaust branch pipe, the smoke exhaust branch pipes are provided with signal valves (8), all the smoke exhaust branch pipes are connected to the smoke exhaust pipes (9), and the smoke exhaust pipes (9) are connected with the smoke treatment system through smoke treatment outlets (10).
7. The isolated energy storage system of claim 1, wherein the plurality of temperature sensors (2) are uniformly distributed in the isolation chamber (7).
8. The high-safety module partitioned energy storage system according to claim 1, wherein the fire extinguishing system (6) comprises a plurality of fire extinguishing agent spray guns, the fire extinguishing agent spray guns are distributed inside the isolation bin (7), and the overlapped spraying range of the fire extinguishing agent spray guns covers the whole isolation bin (7).
9. The high-safety module-blocked energy storage system according to claim 1, wherein each battery module (1) is connected to a respective DC-DC module, each DC-DC module being connected to a respective battery management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930500.7U CN215731860U (en) | 2021-08-16 | 2021-08-16 | High security module partition type energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121930500.7U CN215731860U (en) | 2021-08-16 | 2021-08-16 | High security module partition type energy storage system |
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| Publication Number | Publication Date |
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| CN215731860U true CN215731860U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121930500.7U Active CN215731860U (en) | 2021-08-16 | 2021-08-16 | High security module partition type energy storage system |
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| CN (1) | CN215731860U (en) |
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- 2021-08-16 CN CN202121930500.7U patent/CN215731860U/en active Active
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