CN221041284U - Bag-level immersed overflow type temperature-eliminating integrated energy storage system - Google Patents
Bag-level immersed overflow type temperature-eliminating integrated energy storage system Download PDFInfo
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- CN221041284U CN221041284U CN202322636564.1U CN202322636564U CN221041284U CN 221041284 U CN221041284 U CN 221041284U CN 202322636564 U CN202322636564 U CN 202322636564U CN 221041284 U CN221041284 U CN 221041284U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 149
- 239000007788 liquid Substances 0.000 claims abstract description 198
- 239000002699 waste material Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 210000000352 storage cell Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a bag-level immersed overflow type temperature-elimination integrated energy storage system, which comprises a temperature control unit, a fire-fighting unit and at least one energy storage cluster, wherein the temperature control unit is connected with the fire-fighting unit; the energy storage cluster comprises an overflow liquid storage tank and an energy storage bag, and the energy storage bag is provided with a liquid inlet and an overflow port; the temperature control unit is connected with a temperature control liquid inlet main pipe and a temperature control liquid return main pipe, a cluster-level temperature control liquid inlet pipe is correspondingly arranged between the temperature control liquid inlet main pipe and the energy storage clusters, a package-level temperature control liquid inlet pipe is correspondingly arranged between the cluster-level temperature control liquid inlet pipe and the energy storage package one by one, and the package-level temperature control liquid inlet pipe is connected with a liquid inlet of the corresponding energy storage package; the overflow liquid storage tank is used for receiving the temperature control medium overflowed from the energy storage bag; a circulating pump is arranged in the overflow liquid storage tank, a liquid outlet of the circulating pump is connected with a cluster-level temperature-equalizing liquid inlet pipe and a cluster-level temperature-control liquid return pipe, and packet-level temperature-equalizing liquid inlet pipes are respectively arranged between the cluster-level temperature-equalizing liquid inlet pipe and all energy storage packets belonging to the same energy storage cluster; the cluster-level temperature control liquid return pipe is provided with a liquid return control valve, and is connected with a temperature control liquid return main pipe.
Description
Technical Field
The utility model belongs to the technical field of electric energy storage, and particularly relates to a bag-level immersed overflow type temperature-elimination integrated energy storage system.
Background
Thermal runaway of lithium batteries is caused by the fact that the rate of heat generation of the battery is much higher than the rate of heat dissipation, and heat is accumulated in large amounts and not dissipated in time. Thermal runaway of lithium batteries is an energy positive feedback cycle process: the elevated temperature causes the system to heat up, which in turn causes the system to become hotter. There are many causes of thermal runaway of lithium batteries, and there are mainly the following points.
1) Overcharge triggered lithium battery thermal runaway: the battery itself has overshoot protection, but in the event of a problem failure of such overshoot protection, continued charging of the battery can result in battery overshoot triggering thermal runaway. Along with the continuous use of the battery, the aging phenomenon of the battery is serious gradually, the consistency of the battery pack is poorer and worse, and the battery is easy to have thermal safety problem if overcharged.
2) Overheat triggering lithium battery thermal runaway: in normal use of the lithium battery, when the battery is discharged at a high speed or meets a limit working condition, high-current discharge is required to be continued, at the moment, the temperature inside the battery is gradually increased, and when a large amount of heat of the battery is accumulated, if the discharge current of the battery is not limited in time, the thermal runaway phenomenon of the lithium battery is most likely to be caused.
3) Mechanical triggering lithium battery thermal runaway: the thermal runaway of the battery can be caused by impact deformation of the lithium battery pack, internal short circuit of the battery pack, and other damage to the battery pack.
In addition to the above reasons, overdischarge of the battery, internal short circuits of the battery, and the like may also cause thermal runaway of the battery. Particularly, in the thermal runaway explosion stage of the battery, the electrolyte reacts with oxygen generated by the positive electrode reaction to react vigorously, the battery fires, and the damage such as fire and explosion is caused, so that the life and property safety of people is greatly threatened.
Disclosure of Invention
Therefore, the utility model aims to provide a pack-level immersed overflow type temperature-elimination integrated energy storage system which can realize uniform temperature control and temperature control under normal operation conditions, so that the temperature is kept within a set temperature range; when thermal runaway occurs, fire fighting submersion can be achieved to reduce the thermal runaway impact range.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A bag-level immersed overflow type temperature-elimination integrated energy storage system comprises a temperature control unit, a fire-fighting unit and at least one energy storage cluster; the energy storage cluster comprises an overflow liquid storage tank and at least one energy storage bag positioned above the overflow liquid storage tank, and a liquid inlet and an overflow port are formed in the energy storage bag;
The temperature control unit is connected with a temperature control liquid inlet main pipe and a temperature control liquid return main pipe, the temperature control liquid inlet main pipe is provided with cluster-level temperature control liquid inlet pipes corresponding to the energy storage clusters, the cluster-level temperature control liquid inlet pipes are provided with package-level temperature control liquid inlet pipes corresponding to the energy storage packages belonging to the same energy storage cluster one by one, the package-level temperature control liquid inlet pipes are connected with liquid inlet openings corresponding to the energy storage packages, and the cluster-level temperature control liquid inlet pipes and/or the package-level temperature control liquid inlet pipes are provided with temperature control valves;
The overflow liquid storage tank is used for receiving temperature control medium overflowed from the energy storage bag; a circulating pump is arranged in the overflow liquid storage tank, a liquid outlet of the circulating pump is connected with a cluster-level temperature-equalizing liquid inlet pipe and a cluster-level temperature-control liquid return pipe, and packet-level temperature-equalizing liquid inlet pipes are respectively arranged between the cluster-level temperature-equalizing liquid inlet pipe and all energy storage packets belonging to the same energy storage cluster; the cluster-stage temperature-equalizing liquid inlet pipe and/or the bag-stage temperature-equalizing liquid inlet pipe are provided with temperature-equalizing control valves; the cluster-level temperature control liquid return pipe is provided with a liquid return control valve, and is connected with the temperature control liquid return main pipe.
Further, the energy storage package includes a package housing and an energy storage assembly located within the package housing, the energy storage assembly including at least one energy storage cell.
Further, the overflow port is located above the energy storage assembly.
Further, the bag shell adopts a closed structure, the liquid inlet is arranged at the bottom of the bag shell, and the overflow port is arranged at the top of the bag shell.
Further, the bag shell adopts an open structure with an opening at the top, and the liquid inlet is arranged at the bottom of the bag shell; the top opening of the ladle housing is used as the overflow port, or the overflow port is arranged on the top side wall of the ladle housing.
Further, the energy storage bag is arranged above the overflow liquid storage tank along the vertical direction; the overflow liquid storage tank is positioned under the overflow port so that temperature control medium overflowed in the energy storage bag falls into the overflow liquid storage tank.
Further, the overflow port is connected with an overflow pipe connected with the overflow liquid storage tank; or, a drainage component for draining the temperature control medium overflowed from the overflow port into the overflow liquid storage tank is arranged in the energy storage cluster.
Further, a fire-fighting liquid inlet main pipe is connected to the fire-fighting unit, and fire-fighting liquid inlet pipes used for injecting or spraying fire-fighting media into the energy storage bags are arranged in one-to-one correspondence with the energy storage bags.
Further, the package shell adopts a closed structure, and the fire-fighting liquid inlet pipe is connected with the energy storage package so as to inject or spray fire-fighting medium into the energy storage package; or, the bag shell adopts an open structure with an opening at the top, and the fire-fighting liquid inlet pipe is positioned above the energy storage bag and is used for injecting or spraying fire-fighting medium into the energy storage bag through the opening at the top of the bag shell.
Further, the liquid inlet of the circulating pump is connected with the bottom of the overflow liquid storage tank.
Further, the device also comprises a waste liquid storage box, wherein an overflow pipe is arranged on the overflow liquid storage box, and the overflow pipe is connected with the waste liquid storage box.
Further, a one-way valve is arranged at the liquid inlet of the waste liquid storage box.
The utility model has the beneficial effects that:
According to the bag-level immersed overflow type temperature-elimination integrated energy storage system, the liquid inlet and the overflow port are formed in the energy storage bag, and the liquid inlet is connected with the temperature control unit through the bag-level temperature control liquid inlet pipe, the cluster-level temperature control liquid inlet pipe and the temperature control liquid inlet main pipe, so that the technical purpose of injecting temperature control medium into the energy storage bag is achieved; when the temperature control medium in the energy storage bag exceeds the overflow height of the overflow port, the temperature control medium flows out through the overflow port and enters the overflow liquid storage tank; when the temperature equalization control is needed, the circulating pump is connected with the energy storage bags through the cluster-level temperature equalization liquid inlet pipe and the bag-level temperature equalization liquid inlet pipe, so that the temperature equalization control can be carried out on all or part of the energy storage bags belonging to the same energy storage cluster; when liquid cooling control is needed, the temperature control unit injects cooled temperature control medium into the energy storage bags through the cluster-level temperature control liquid inlet pipe and the bag-level temperature control liquid inlet pipe, so that liquid cooling control can be carried out on all or part of the energy storage bags belonging to the same energy storage cluster; when the liquid level of the temperature control medium in the overflow liquid storage tank exceeds a set threshold value or the temperature of the temperature control medium in the overflow liquid storage tank exceeds a set threshold value, the circulating pump is connected with the temperature control liquid return main pipe through the cluster-level temperature control liquid return pipe, so that the temperature control medium flows back into the temperature control unit, and the temperature control unit is used for controlling the temperature of the temperature control medium; when the energy storage bag is in thermal runaway, the fire-fighting medium is injected or sprayed into the energy storage bag by the fire-fighting unit, so that the thermal runaway is prevented from spreading. In conclusion, the package-level immersed overflow type temperature-elimination integrated energy storage system can realize uniform temperature control and temperature control under normal operation conditions, so that the temperature is kept within a set temperature range; when thermal runaway occurs, fire fighting submersion can be achieved to reduce the thermal runaway impact range.
In addition, through set up inlet and overflow mouth on the energy storage package, adopt the package level submergence promptly, can make the inlet pressure of every energy storage package more balanced, the inlet pressure of every energy storage package equals the liquid pressure between the control by temperature change medium overflow height in inlet and the energy storage package promptly, so, can make the control by temperature change medium inflow volume of every energy storage package more balanced, can avoid the inflow volume that leads to because of the inlet pressure is unequal to appear the difference, finally lead to the problem that partial energy storage package temperature control performance reduces.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic diagram of an embodiment of a ladle-to-ladle immersion overflow type energy storage system;
FIG. 2 is a schematic structural view of an open-structured energy storage pack;
fig. 3 is a schematic structural view of an energy storage pack of a closed structure.
Reference numerals illustrate:
10-a temperature control unit; 11-a temperature control liquid inlet main pipe; 12-a temperature control liquid return main pipe; 13-a cluster-level temperature control liquid inlet pipe; 14-packaging a temperature control liquid inlet pipe; 15-a temperature control valve; 16-cluster-level temperature control liquid return pipe; 17-a liquid return control valve;
20-fire-fighting units; 21-a fire control liquid inlet main pipe; 22-a fire-fighting liquid inlet pipe; 23-overflow pipe; 24-a waste liquid storage tank;
31-an energy storage pack; 31 a-a packet shell; 31 b-an energy storage assembly; 32-a liquid inlet; 33-overflow port; 34-overflow tank; 35-a circulation pump; 36-cluster-level uniform-temperature liquid inlet pipe; 37-wrapping the level temperature equalizing liquid inlet pipe; 38-a temperature equalizing control valve; 39-dashed line.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model, so that those skilled in the art may better understand the utility model and practice it.
As shown in fig. 1, the package-level immersion overflow type temperature-elimination integrated energy storage system of the present embodiment includes a temperature control unit 10, a fire-fighting unit 20 and at least one energy storage cluster. The energy storage cluster of this embodiment includes overflow liquid storage tank 34 and is located at least one energy storage package 31 of overflow liquid storage tank top, is equipped with inlet 32 and overflow mouth 33 on the energy storage package 31.
The temperature control unit 10 of the embodiment is connected with a temperature control liquid inlet main pipe 11 and a temperature control liquid return main pipe 12, the temperature control liquid inlet main pipe 11 is provided with a cluster-level temperature control liquid inlet pipe 13 corresponding to an energy storage cluster, the cluster-level temperature control liquid inlet pipe 13 is provided with a package-level temperature control liquid inlet pipe 14 corresponding to an energy storage package 31 belonging to the same energy storage cluster one by one, the package-level temperature control liquid inlet pipe 14 is connected with a liquid inlet 32 of the corresponding energy storage package 31, and the cluster-level temperature control liquid inlet pipe 13 and/or the package-level temperature control liquid inlet pipe 14 are provided with a temperature control valve 15. When the temperature control valve 15 is arranged on the cluster-level temperature control liquid inlet pipe 13, all energy storage bags 31 belonging to the same energy storage cluster can be simultaneously controlled to be connected or disconnected with the temperature control liquid inlet main pipe 11; when the bag-level temperature control liquid inlet pipe 14 is provided with the temperature control valve 15, the connection or disconnection between each energy storage bag 31 and the temperature control liquid inlet main pipe 11 can be independently controlled. In this embodiment, the temperature control valve 15 is disposed on the bag-level temperature control liquid inlet pipe 14, and can independently control the connection or disconnection between each energy storage bag 31 and the temperature control liquid inlet main pipe 11. Of course, in other embodiments, the temperature control valve 15 may be disposed on the cluster-level temperature control liquid inlet pipe 13, so as to control the connection or disconnection between all the energy storage bags 31 belonging to the same energy storage cluster and the temperature control liquid inlet main pipe 11. Of course, in other embodiments, the temperature control valves 15 may be disposed on the cluster-level temperature control liquid inlet pipe 13 and the bag-level liquid inlet pipe 14, which will not be described herein. Of course, the opening degree of the temperature control valve 15 may be controlled in addition to the on-off control, and the flow rate of the temperature control medium in the cluster-level temperature control liquid inlet pipe 13 and the bag-level temperature control liquid inlet pipe 14 may be further adjusted by adjusting the opening degree of the temperature control valve 15.
The overflow tank 34 is used for receiving the temperature control medium overflowed from the energy storage bag 31. Specifically, a circulating pump 35 is disposed in the overflow liquid storage tank 34 in this embodiment, a cluster-level temperature-equalizing liquid inlet pipe 36 and a cluster-level temperature-controlling liquid return pipe 16 are connected to a liquid outlet of the circulating pump 35, and a packet-level temperature-equalizing Wen Jinye pipe 37 is disposed between the cluster-level temperature-equalizing liquid inlet pipe 36 and all the energy storage packets 31 belonging to the same energy storage cluster. The cluster-stage temperature-equalizing liquid inlet pipe 36 and/or the bag-stage temperature-equalizing Wen Jinye pipe 37 are provided with temperature-equalizing control valves 38. When the temperature equalizing control valve 38 is only arranged on the cluster-level temperature equalizing liquid inlet pipe 36, all the energy storage bags 31 belonging to the same energy storage cluster can be simultaneously controlled to be connected or disconnected with the circulating pump 35; when the bag-level uniform Wen Jinye pipe 37 is provided with the uniform temperature control valve 38, each energy storage bag 31 belonging to the same energy storage cluster can be respectively and independently controlled to be connected or disconnected with the circulating pump 35. In this embodiment, the temperature equalizing control valve 38 is disposed in the packet-level homogenizing Wen Jinye pipe 37 to independently control the connection or disconnection of each energy storage packet 31 belonging to the same energy storage cluster and the circulation pump 35, respectively. Of course, in other embodiments, the temperature equalization control valve 38 may be disposed on the packet level common Wen Jinye pipe 37 to control the connection or disconnection of all the storage packets 31 belonging to the same storage cluster to the circulation pump 35. Of course, in other embodiments, the cluster-level temperature equalizing inlet pipe 36 and the bag-level temperature equalizing Wen Jinye pipe 37 may be provided with the temperature equalizing control valve 38, which is not described herein. Of course, the temperature control valve 38 may be controlled in opening degree in addition to on-off control. The opening of the temperature-equalizing control valve 38 is adjusted to adjust the flow rate of the temperature-controlling medium in the cluster-stage temperature-equalizing liquid inlet pipe 36 and the bag-stage temperature-equalizing Wen Jinye pipe 37.
In this embodiment, a liquid return control valve 17 is disposed on the cluster-level temperature control liquid return pipe 16, and the cluster-level temperature control liquid return pipe 16 is connected to the temperature control liquid return main pipe 12. In this way, the temperature control medium entering overflow reservoir 34 by way of overflow can be returned to the temperature control unit via cluster-level temperature control return line 16 and temperature control return manifold 12.
In a preferred implementation of the present embodiment, the storage bag 31 is arranged vertically above the overflow tank 34; the overflow tank 34 is located just below the overflow port 33 so that the temperature control medium overflowed in the energy storage bag 31 falls into the overflow tank 34. The temperature control medium overflowed from the overflow port 33 can enter the overflow liquid storage tank 34 in various modes, and in this embodiment, the overflow liquid storage tank 34 is arranged right below the overflow port 33, and the overflowed temperature control medium falls into the overflow liquid storage tank 34 under the action of gravity. Specifically, dashed line 39 in FIG. 1 represents an indication of the path of the overflowed temperature-controlled medium falling into overflow reservoir 34 under the force of gravity. Of course, in other embodiments, an overflow pipe connected to the overflow tank 34 may be connected to the overflow port 33, and the overflow pipe may be used to drain the temperature control medium overflowed from the overflow port 33 into the overflow tank 34, where the overflow tank 34 does not need to be disposed directly below the overflow port 33. In other embodiments, a drainage assembly for draining the temperature control medium overflowing from the overflow port 33 into the overflow liquid storage tank 34 may be further arranged in the energy storage cluster, and the temperature control medium overflowing from the overflow port 33 is drained into the overflow liquid storage tank 34 by using the drainage assembly, so that the overflow liquid storage tank 34 is not required to be arranged right below the overflow port 33.
The fire-fighting unit 20 of the embodiment is connected with a fire-fighting liquid inlet main pipe 21, and the fire-fighting liquid inlet main pipe 21 and the energy storage bags 32 are provided with fire-fighting liquid inlet pipes 22 for injecting or spraying fire-fighting media into the energy storage bags 32 in a one-to-one correspondence. A fire control inlet valve (not shown) may be provided on the fire control inlet pipe 22. Specifically, in this embodiment, different liquid materials are used for the fire-fighting medium and the temperature-controlling medium, and the fire-fighting medium and the temperature-controlling medium are not compatible, and the density of the fire-fighting medium is less than that of the temperature-controlling medium. Thus, the liquid inlet of the circulation pump 35 of the present embodiment is connected to the bottom of the overflow liquid storage tank 34, the overflow liquid storage tank 34 is provided with the overflow pipe 23, and the overflow pipe 23 is connected to the waste liquid storage tank 24. Specifically, the circulation pump 35 of the present embodiment is installed in the overflow liquid tank 34, and the temperature control medium in the overflow liquid tank 34 is used to cool the circulation pump 35. After the fire-fighting unit 20 injects or sprays the fire-fighting medium into the energy storage bag 31, the fire-fighting medium overflows into the overflow liquid storage tank 34 through the overflow port 33, and the fire-fighting medium can be drained into the waste liquid storage tank 24 by using the overflow pipe 23 arranged on the overflow liquid storage tank 34, so that the fire-fighting medium is prevented from entering the temperature control unit 10. Of course, in other embodiments, the temperature control medium and the fire fighting medium may be the same liquid medium, which is not described herein. In the preferred embodiment of this example, a one-way valve 25 is provided at the inlet of the waste reservoir 24 to prevent liquid in the waste reservoir 24 from flowing back into the overflow reservoir 34 through the overflow tube 23. In this embodiment, after the fire-fighting medium is injected or sprayed into the corresponding energy storage bag 31, the fire-fighting medium also flows out of the corresponding energy storage bag 31 through the overflow port 33 and is received by the overflow liquid storage tank 34.
As shown in fig. 2-3, in the present embodiment, the energy storage pack 31 includes a pack case 31a and an energy storage assembly 31b located in the pack case 31a, and the energy storage assembly 31b includes at least one energy storage cell. In the preferred implementation of this embodiment, the overflow port 33 is located above the energy storage component 31b, that is, the overflow height in the energy storage bag 31 is higher than the top surface height of the energy storage component 31b, so that the energy storage component 31b can be immersed in the whole, and the temperature control performance of the energy storage component 31b is improved.
As shown in fig. 2, the ladle housing 31a of the present embodiment adopts an open structure having an opening at the top, and the liquid inlet 32 is provided at the bottom of the ladle housing 31a, and the top opening of the ladle housing 31a serves as the overflow port 33. Specifically, in other embodiments, the overflow port 33 may be disposed on the top side wall of the package housing 31a, and the principle thereof is equivalent and will not be described again. When the pack case 31a adopts an open structure with an opening at the top, the fire-fighting liquid inlet pipe 22 is positioned above the energy storage pack 31 and injects or sprays fire-fighting medium into the energy storage pack 31 through the opening at the top of the pack case 13 a.
As shown in fig. 3, in other embodiments, the package shell 31a may also adopt a closed structure, the liquid inlet 12 is disposed at the bottom of the package shell 31a, the overflow port 33 is disposed at the top of the package shell 31a, and the technical purpose of immersing the energy storage component 31b installed in the energy storage package 31 may also be achieved. When the pack case 31a may also have a closed type structure, the fire fighting liquid inlet pipe 22 is connected to the energy storage pack 31 to inject or spray the fire fighting medium into the energy storage pack 31.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (12)
1. The utility model provides a package level submergence overflow formula integrative energy storage system that disappears which characterized in that: the fire control system comprises a temperature control unit, a fire control unit and at least one energy storage cluster; the energy storage cluster comprises an overflow liquid storage tank and at least one energy storage bag positioned above the overflow liquid storage tank, and a liquid inlet and an overflow port are formed in the energy storage bag;
The temperature control unit is connected with a temperature control liquid inlet main pipe and a temperature control liquid return main pipe, the temperature control liquid inlet main pipe is provided with cluster-level temperature control liquid inlet pipes corresponding to the energy storage clusters, the cluster-level temperature control liquid inlet pipes are provided with package-level temperature control liquid inlet pipes corresponding to the energy storage packages belonging to the same energy storage cluster one by one, the package-level temperature control liquid inlet pipes are connected with liquid inlet openings corresponding to the energy storage packages, and the cluster-level temperature control liquid inlet pipes and/or the package-level temperature control liquid inlet pipes are provided with temperature control valves;
The overflow liquid storage tank is used for receiving temperature control medium overflowed from the energy storage bag; a circulating pump is arranged in the overflow liquid storage tank, a liquid outlet of the circulating pump is connected with a cluster-level temperature-equalizing liquid inlet pipe and a cluster-level temperature-control liquid return pipe, and packet-level temperature-equalizing liquid inlet pipes are respectively arranged between the cluster-level temperature-equalizing liquid inlet pipe and all energy storage packets belonging to the same energy storage cluster; the cluster-stage temperature-equalizing liquid inlet pipe and/or the bag-stage temperature-equalizing liquid inlet pipe are provided with temperature-equalizing control valves; the cluster-level temperature control liquid return pipe is provided with a liquid return control valve, and is connected with the temperature control liquid return main pipe.
2. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 1, wherein: the energy storage package includes a package shell and is located energy storage subassembly in the package shell, energy storage subassembly includes at least one energy storage monomer.
3. The pack-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 2, wherein: the overflow port is located above the energy storage assembly.
4. The pack-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 2, wherein: the ladle shell adopts a closed structure, the liquid inlet is arranged at the bottom of the ladle shell, and the overflow port is arranged at the top of the ladle shell.
5. The pack-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 2, wherein: the bag shell adopts an open structure with an opening at the top, and the liquid inlet is arranged at the bottom of the bag shell; the top opening of the ladle housing is used as the overflow port, or the overflow port is arranged on the top side wall of the ladle housing.
6. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 1, wherein: the energy storage bag is arranged above the overflow liquid storage tank along the vertical direction; the overflow liquid storage tank is positioned under the overflow port so that temperature control medium overflowed in the energy storage bag falls into the overflow liquid storage tank.
7. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 1, wherein: the overflow port is connected with an overflow pipe connected with the overflow liquid storage tank; or, a drainage component for draining the temperature control medium overflowed from the overflow port into the overflow liquid storage tank is arranged in the energy storage cluster.
8. The pack-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 2, wherein: the fire-fighting unit is connected with a fire-fighting liquid inlet main pipe, and the fire-fighting liquid inlet main pipe and the energy storage bags are provided with fire-fighting liquid inlet pipes which are used for injecting or spraying fire-fighting media into the energy storage bags in a one-to-one correspondence manner.
9. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 8, wherein: the package shell adopts a closed structure, and the fire-fighting liquid inlet pipe is connected with the energy storage package to inject or spray fire-fighting medium into the energy storage package; or, the bag shell adopts an open structure with an opening at the top, and the fire-fighting liquid inlet pipe is positioned above the energy storage bag and is used for injecting or spraying fire-fighting medium into the energy storage bag through the opening at the top of the bag shell.
10. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 1, wherein: and a liquid inlet of the circulating pump is connected with the bottom of the overflow liquid storage tank.
11. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 10, wherein: still include the waste liquid storage box, be equipped with the overflow pipe on the overflow liquid storage box, the overflow pipe with the waste liquid storage box links to each other.
12. The package-level submerged overflow type temperature-extinguishing integrated energy storage system according to claim 11, wherein: and a one-way valve is arranged at the liquid inlet of the waste liquid storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636564.1U CN221041284U (en) | 2023-09-27 | 2023-09-27 | Bag-level immersed overflow type temperature-eliminating integrated energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636564.1U CN221041284U (en) | 2023-09-27 | 2023-09-27 | Bag-level immersed overflow type temperature-eliminating integrated energy storage system |
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| CN221041284U true CN221041284U (en) | 2024-05-28 |
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| CN202322636564.1U Active CN221041284U (en) | 2023-09-27 | 2023-09-27 | Bag-level immersed overflow type temperature-eliminating integrated energy storage system |
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| CN (1) | CN221041284U (en) |
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- 2023-09-27 CN CN202322636564.1U patent/CN221041284U/en active Active
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