CN218783169U - Electrochemical energy storage fireproof safety system - Google Patents
Electrochemical energy storage fireproof safety system Download PDFInfo
- Publication number
- CN218783169U CN218783169U CN202223186159.6U CN202223186159U CN218783169U CN 218783169 U CN218783169 U CN 218783169U CN 202223186159 U CN202223186159 U CN 202223186159U CN 218783169 U CN218783169 U CN 218783169U
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- Prior art keywords
- battery
- fire
- battery package
- nitrogen
- oxygen concentration
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- 238000012983 electrochemical energy storage Methods 0.000 title claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 89
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000001301 oxygen Substances 0.000 claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 35
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 20
- 238000004146 energy storage Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005518 electrochemistry Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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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- Battery Mounting, Suspending (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides an electrochemical energy storage fireproof safety system, which comprises a battery frame and a battery pack, wherein the battery pack is placed on the battery frame, one side of the battery pack is provided with a fire nozzle, and the fire nozzle is connected with a nitrogen conveying pipe; the fire control mouth that passes through the pipeline with nitrogen gas in the nitrogen generator and inserts the battery package, in nitrogen gas gets into the battery package, oxygen detector can monitor the oxygen concentration in the battery package, when oxygen concentration is higher than the oxygen concentration value that causes the ignition of fire source in the battery package, the controller can make control valve automatic opening, nitrogen generator injects nitrogen gas into the battery package once more, make the interior oxygen concentration of battery package be less than the concentration value that catches fire often, thereby reach the effect that prevents the battery burning of catching fire, when the inside short circuit of battery, electric core explosion-proof valve open or other performance inefficacys, because of battery package portion oxygen concentration is less than the ignition, consequently can effectively prevent the dangerous emergence of burning of catching fire, thereby guarantee the safety of battery and other equipment and personnel, avoid property loss.
Description
Technical Field
The utility model relates to a lithium ion battery field especially relates to an electrochemistry energy storage fire prevention safety coefficient.
Background
At present, energy storage is an important component and key technology of a smart grid, a renewable energy system and an energy internet, and a micro-grid energy storage solution can be applied to the aspects of peak shaving and frequency modulation of an energy storage power station, or utilization of a echelon battery, emergency power supply occasions, commercial application of peak clipping and valley filling and the like.
The existing energy storage system is in operation, the short circuit phenomenon easily occurs after a single battery core is used for a long time, when the internal short circuit of the single battery core, an explosion-proof valve is opened or other performances fail, the fire disaster often occurs, the loss is heavy, the occurrence of the fire disaster can not be effectively prevented in the prior art, the battery pack is a special sealing box, the internal oxygen concentration can not be lower than the ignition point, the ignition of the battery can not be prevented, the fire disaster of the energy storage system can not be prevented, and the safety of the battery, equipment and the person can not be guaranteed.
To this end, we propose an electrochemical energy storage fire safety system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an electrochemical energy storage fireproof safety system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electrochemical energy storage fireproof safety system comprises a battery frame and a battery pack, wherein the battery pack is placed on the battery frame, the battery frame is made of stainless steel materials, the battery frame is formed by welding and assembling a plurality of stainless steel pipes or stainless steel plates, the inside of the battery frame is of a hollow structure, the battery pack is made of aluminum alloy materials, and the battery pack is fixed with the battery frame in a bolt or welding mode;
one side of the battery pack is provided with a fire nozzle, the fire nozzle is connected with a nitrogen conveying pipe, the nitrogen conveying pipe is connected with a nitrogen making machine, the nitrogen conveying pipe is made of polyethylene, and the nitrogen conveying pipe, the nitrogen making machine and the fire nozzle are fixed through trapping of thin steel wires;
the control valve is a one-way valve, wire holes are formed in the lower portion of the fire nozzle and connected with connecting wires, the connecting wires are divided into buses and sub-wires, the sub-wires are connected with oxygen detectors in each battery pack, one end of each connecting wire is connected with the controller, the oxygen detectors are arranged in the battery packs, and the oxygen detectors are connected with the controller through the connecting wires.
Further preferably, the control valve is arranged between the oxygen detector and the controller, the control valve is connected with the controller through a connecting wire, and the controller can automatically open and close the control valve.
Further preferably, the distance between each battery pack is consistent, and the distance between each fire nozzle is consistent.
Preferably, the nitrogen conveying pipe is provided with a plurality of branch pipes, and each fire nozzle is connected with one branch pipe.
Further preferably, a sealing structure is arranged at the joint of the wire hole and the connecting wire, the sealing structure can be a sealing ring or a sealing gasket, and the preferred material is insulating rubber.
Further preferably, the fire-fighting nozzle is fixed with the battery pack through a bolt, and a filter screen is arranged in the fire-fighting nozzle.
Compared with the prior art, the beneficial effects of the utility model are that:
the fire control mouth that passes through the pipeline with nitrogen gas in the nitrogen generator and inserts the battery package, in nitrogen gas gets into the battery package, oxygen detector can monitor the oxygen concentration in the battery package, when oxygen concentration is higher than the oxygen concentration value that causes the ignition of fire source in the battery package, the controller can make control valve automatic opening, nitrogen generator injects nitrogen gas into the battery package once more, make the interior oxygen concentration of battery package be less than the concentration value that catches fire often, thereby reach the effect that prevents the battery burning of catching fire, when the inside short circuit of battery, electric core explosion-proof valve open or other performance inefficacys, because of battery package portion oxygen concentration is less than the ignition, consequently can effectively prevent the dangerous emergence of burning of catching fire, thereby guarantee the safety of battery and other equipment and personnel, avoid property loss.
Drawings
Fig. 1 is a schematic view of an electrochemical energy storage fireproof safety system provided by the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic diagram of the internal structure of the battery pack.
In the figure: 1. a battery holder; 2. a battery pack; 3. a control valve; 4. a controller; 5. a nitrogen making machine; 6. a nitrogen conveying pipe; 7. connecting a lead; 8. a fire nozzle; 9. a wire guide hole; 10. an oxygen detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an electrochemistry energy storage fire prevention safety coefficient, including battery frame and battery package, the battery package is placed on the battery frame, the battery frame is stainless steel material, and the battery frame is assembled for many stainless steel pipes or the welding of corrosion resistant plate, stainless steel material is corrosion-resistant high temperature resistant, all has longer life under high temperature or low temperature environment, can select the not unidimensional rust steel pipe of equidimensional or the welding of stainless steel plate simultaneously according to the size of battery package, can be applicable to not unidimensional battery package, and the battery frame is inside to be hollow structure, hollow structure's battery frame bulk strength is better and the quality is lighter, can effectively reduce the weight of energy storage battery cabinet, convenient transport.
The material of battery package is aluminum alloy material, the battery package can produce a large amount of heats after long-term the use, aluminum alloy material has good high temperature resistance can, can effectually resist the high temperature that the battery package produced after long-term the use, aluminum alloy material has the advantage that intensity high density is little simultaneously, still have lighter quality when having higher intensity, the battery package passes through bolt or welded mode and battery frame is fixed, the first-selected laser welding of welding mode, laser welding is difficult to damage battery package inner structure for ultrasonic bonding.
One side of battery package all is equipped with the fire control mouth, fire control mouth and nitrogen gas duct connection, the nitrogen gas conveyer pipe is connected with the nitrogen making machine, and the theory of operation of nitrogen making machine is for rejecting all impurities beyond the nitrogen gas through absorbing the air, and the suction inlet department of nitrogen making machine can be equipped with the filter screen of impurity among the filtered air for impurity such as filtering PM2.5 can prevent that too much impurity from causing the influence to the nitrogen making process.
The nitrogen conveying pipe is made of polyethylene, the polyethylene has strong acid and alkali corrosion resistance and is low in cost, the nitrogen conveying pipe, the nitrogen making machine and the fire nozzle are fixed through the thin steel wires, and when the nitrogen conveying pipe needs to be replaced, the thin steel wires can be directly taken down to replace the nitrogen conveying pipe;
the control valve is arranged between the nitrogen conveying pipe and the nitrogen making machine and is a one-way valve, the nitrogen making machine in the nitrogen making machine can be conveyed into the battery pack through the nitrogen conveying pipe by opening and closing the control valve, wire holes are formed in the lower portion of the fire nozzle and are connected with connecting wires, the connecting wires penetrate through the wire holes and are connected with the controller, the control valve and the oxygen detector, the connecting wires are divided into buses and sub-wires, the sub-wires are connected with the oxygen detector in each battery pack, one end of each connecting wire is connected with the controller, the oxygen detector is arranged in the battery pack, the oxygen detector is connected with the controller through the connecting wires, the oxygen detector detects the oxygen concentration in the battery pack in real time, and when the oxygen concentration reaches a critical value, the controller can open the control valve to enable nitrogen to rush into the battery pack.
The fire control mouth that passes through the pipeline access battery package with nitrogen gas in the nitrogen generator, in nitrogen gas gets into the battery package, oxygen detector can monitor the oxygen concentration in the battery package, when oxygen concentration is higher than the oxygen concentration value that causes the burning of a fire source to catch fire in the battery package, the controller can make control valve automatic opening, nitrogen generator injects nitrogen gas into the battery package once more, make the oxygen concentration in the battery package be less than the concentration value that catches fire often, thereby reach the effect that prevents the burning of battery catching fire, when the inside short circuit of battery, electric core explosion-proof valve is opened or other performance inefficacy, because of battery package portion oxygen concentration is less than the ignition, consequently, can effectively prevent the dangerous emergence of burning of catching fire, thereby guarantee battery and other equipment and personal safety, avoid property loss.
Every the interval between the battery package is all unanimous, every interval between the fire control mouth is unanimous to enable nitrogen gas conveyer pipe even fill the battery package with nitrogen gas in, atmospheric pressure in the nitrogen gas conveyer pipe can keep unanimous, and the life of nitrogen gas conveyer pipe can obtain effectual extension.
The wire hole with the connecting wire junction is equipped with seal structure, and seal structure can be sealing washer or sealed pad, and preferred material is insulating rubber, and the sealing washer can prevent that the gas in the battery package from exchanging with the outside air, can prevent effectively that oxygen among the outside air from getting into the battery package inside, can effectually prevent that the battery package from burning on fire, and insulating rubber's material can prevent that electric leakage creepage phenomenon from taking place, promotes maintainer's security.
The fire control mouth pass through the bolt with the battery package is fixed, and then can conveniently maintain or change the fire control mouth, be equipped with the filter screen in the fire control mouth, the aperture of this filter screen can be controlled in comparatively little within range, can carry out secondary filter to the nitrogen gas of nitrogen generator transport, can prevent that other impurity from causing the interference to oxygen detector's work.
Claims (6)
1. The utility model provides an electrochemistry energy storage fire prevention safety coefficient, includes battery frame and battery package, the battery package is placed on the battery frame, its characterized in that, one side of battery package all is equipped with the fire control mouth, fire control mouth and nitrogen gas duct connection, the nitrogen gas conveyer pipe is connected with system nitrogen machine, the nitrogen gas conveyer pipe with be equipped with the control valve between the system nitrogen machine, the below of fire control mouth all is equipped with the wire guide, the wire guide is connected with connecting wire, connecting wire one end is connected with the controller, the inside oxygen detector that is equipped with of battery package, oxygen detector with the controller passes through connecting wire and connects.
2. An electrochemical energy storage fire safety system according to claim 1, wherein the control valve is disposed between the oxygen detector and the controller, and the control valve and the controller are connected by a connecting wire.
3. An electrochemical energy storage fire safety system as in claim 1, wherein the spacing between each battery pack is consistent and the spacing between each fire fighting nozzle is consistent.
4. The electrochemical energy-storage fire-protection safety system according to claim 1, wherein a plurality of branch pipes are arranged on the nitrogen delivery pipe, and each fire-fighting nozzle is connected with one branch pipe.
5. An electrochemical energy-storing fireproof safety system according to claim 1, wherein a sealing structure is provided at the connection of the wire hole and the connecting wire.
6. The electrochemical energy-storage fire-protection safety system according to claim 1, wherein the fire-fighting nozzle is fixed with the battery pack through a bolt, and a filter screen is arranged in the fire-fighting nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186159.6U CN218783169U (en) | 2022-11-30 | 2022-11-30 | Electrochemical energy storage fireproof safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223186159.6U CN218783169U (en) | 2022-11-30 | 2022-11-30 | Electrochemical energy storage fireproof safety system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218783169U true CN218783169U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223186159.6U Active CN218783169U (en) | 2022-11-30 | 2022-11-30 | Electrochemical energy storage fireproof safety system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218783169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116259871A (en) * | 2023-05-10 | 2023-06-13 | 宁德时代新能源科技股份有限公司 | Battery compartment, battery compartment control method, storage medium and battery management system |
-
2022
- 2022-11-30 CN CN202223186159.6U patent/CN218783169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116259871A (en) * | 2023-05-10 | 2023-06-13 | 宁德时代新能源科技股份有限公司 | Battery compartment, battery compartment control method, storage medium and battery management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electrochemical energy storage fire safety system Effective date of registration: 20231222 Granted publication date: 20230331 Pledgee: Bank of China Limited Xinyu branch Pledgor: Jiangxi Ganfeng lithium battery technology Co.,Ltd. Registration number: Y2023980073472 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |