CN117258186A - Lithium ion battery energy storage cabin PACK-level gas fire-fighting system and method - Google Patents
Lithium ion battery energy storage cabin PACK-level gas fire-fighting system and method Download PDFInfo
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- CN117258186A CN117258186A CN202311345758.4A CN202311345758A CN117258186A CN 117258186 A CN117258186 A CN 117258186A CN 202311345758 A CN202311345758 A CN 202311345758A CN 117258186 A CN117258186 A CN 117258186A
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- gas pipeline
- battery energy
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- 238000004146 energy storage Methods 0.000 title claims abstract description 49
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 5
- 206010068065 Burning mouth syndrome Diseases 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 201000000046 Beckwith-Wiedemann syndrome Diseases 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101150063504 CAN2 gene Proteins 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a PACK-level gas fire-fighting system and method for a lithium ion battery energy storage cabin, comprising a battery energy storage cabin main body, wherein a gas fire-fighting bracket is arranged in the battery energy storage cabin main body, a 6KG gas storage tank and a control box are erected on the gas fire-fighting bracket, and the 6KG gas storage tank is communicated with the control box and is communicated with a PACK-level gas pipeline through the control box; the PACK first-level gas pipeline is divided into two paths to be communicated with the PACK second-level gas pipeline, and each PACK second-level gas pipeline is divided into multiple paths to be communicated with the PACK third-level gas pipeline; electromagnetic valves of a control box are arranged on the PACK secondary gas pipeline and the PACK tertiary gas pipeline. According to the invention, the PACK-level gas detection linkage BMS is used for realizing rapid fire extinguishment through the gas extinguishing medium spray head configured by the energy storage system, and fire spreading is prevented in time.
Description
Technical Field
The invention relates to a fire-fighting system of a lithium ion battery energy storage cabin, in particular to a PACK-level gas fire-fighting system and method of the lithium ion battery energy storage cabin.
Background
The energy storage safety of the lithium ion battery energy storage cabin is a systematic engineering, and the lithium ion battery energy storage cabin is subjected to multi-dimensional overall planning such as battery cell, structure, temperature control, fire protection, BMS and the like, and fire protection is subjected to combined force generation in four directions of pre-early warning, system linkage, accurate fire protection and afterburning prevention, which is also the general direction of the innovation of the electrochemical energy storage safety technology. The prior art has the following problems:
1. the traditional air-cooled energy storage cabin does not relate to a PACK-level gas fire-fighting system, so that the safety cannot be ensured;
2. the liquid-cooled energy storage cabin in the market only depends on the water, the energy storage cooling liquid is mostly consumed by various additives to solve the problems of glycol oxidation and acidification, the service life is short, the conditions of corrosion, deposition and the like of a liquid cooling system pipeline are caused by the fact that the additives are consumed too fast in the later period of use, the temperature control liquid is easy to block or leak, and therefore a battery is damaged or a system short circuit is caused, and potential safety hazards of an energy storage power station are caused.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a PACK-level gas fire-fighting system and method for a lithium ion battery energy storage cabin.
In order to solve the technical problems, the invention adopts the following technical scheme: the lithium ion battery energy storage cabin PACK-level gas fire-fighting system comprises a battery energy storage cabin main body, wherein a gas fire-fighting bracket is arranged in the battery energy storage cabin main body, a 6KG gas storage tank and a control box are erected on the gas fire-fighting bracket, and the 6KG gas storage tank is communicated with the control box and is communicated with a PACK-level gas pipeline through the control box;
the PACK first-level gas pipeline is divided into two paths to be communicated with the PACK second-level gas pipeline, and each PACK second-level gas pipeline is divided into multiple paths to be communicated with the PACK third-level gas pipeline;
electromagnetic valves of a control box are arranged on the PACK secondary gas pipeline and the PACK tertiary gas pipeline.
The PACK primary gas pipeline is vertically arranged in the battery energy storage cabin body, and the PACK secondary gas pipeline comprises a conveying pipe body which is transversely communicated with the upper end of the PACK primary gas pipeline in two paths, and a plurality of connecting pipe bodies which are vertically communicated with the conveying pipe body, wherein each connecting pipe body is connected with a plurality of PACK tertiary gas pipelines.
The plurality of connecting pipe bodies are arranged on the conveying pipe body at uniform intervals along the transverse direction, and the plurality of PACK three-level gas pipelines are arranged on the connecting pipe bodies at uniform intervals along the vertical direction.
And a battery PACK of a battery energy storage cabin body is arranged between two adjacent connecting pipe bodies on the same conveying pipe body and at the position of a PACK three-level gas pipeline of the same connecting pipe body, and a spray head of the battery PACK is spliced with the PACK three-level gas pipeline at the adjacent position.
The control box is in communication connection with the battery management system through a controller area network bus.
The PACK primary gas pipeline, the PACK secondary gas pipeline and the PACK tertiary gas pipeline are flexible corrugated pipes.
The battery packs on the same layer are connected through a three-way joint.
A gas detection module is arranged in the battery pack to detect VOC and CO concentrations.
The fire control method of the lithium ion battery energy storage cabin PACK level gas fire control system comprises the steps that when thermal runaway occurs, a secondary BWS of a battery management system sends a message to a tertiary BMS, the tertiary BMS actively sends a message for opening a valve of a 6KG gas storage tank to a control box, the tertiary BMS sends a command for opening a main valve and a corresponding sub valve of a cluster where a corresponding battery PACK where the thermal runaway occurs, a secondary BMS control electromagnetic valve module is executed to install a gas injection logic strategy, the secondary BMS reports a thermal runaway alarm state to the tertiary BMS through the message, and the tertiary BMS executes a current process under the fault to record the fault battery PACK where the thermal runaway occurs.
Further, the two-stage BMS control solenoid valve module installs a gas injection logic strategy of: closing the valve after the first valve opening injection time is 45s, and injecting the dose of 1.65L;
the valve is closed after the valve is opened for the second time after the interval of 10min, the injection dosage is 0.11L, the valve is closed after the valve is opened for 3s after the interval of 10min is continuously executed, the injection dosage is 0.11L, and the repeated execution is carried out for 4 times, so that the total valve opening injection is 60s, the valve opening is 6 times, and the valve closing is 6 times.
The invention discloses a PACK-level gas fire-fighting system and a method for a lithium ion battery energy storage cabin. Through set up independent solenoid valve system on PACK second grade gas line and PACK tertiary gas line, can accomplish PACK electricity core level, battery cluster level is protection unit, through predetermineeing the detector in every PACK battery package, detect the change of the inside chemical composition of lithium cell in real time, carry out analysis and calculation by the chip to the change condition of various parameters, when the thermal runaway sign appears in the inside battery cell of this cluster battery box, the subregion control valve of this package or cluster is immediately started, carry out the early suppression prevention and control of effectual conflagration, quick inerting suppression to the electric core in the battery box, the effectual thermal runaway expansion of reduction lithium cell and the risk of energy storage cabinet explosion. And the program-controlled working logic of the control box is 6 times of package-level point spraying, once the combustible gas, smoke, electrolyte or temperature reaches a threshold value, the composite detector in the battery package immediately transmits a signal to the data concentrator, and the corresponding pipeline selection valve is opened. After the control box host receives the signals of the concentrator, the inhibition device and related linkage are started, fire extinguishing agent in the air storage tank is sprayed to a thermal runaway PACK package through a preset pipe network and an opened valve, and the thermal runaway PACK package is preset according to programming logic, continuously sprayed for multiple times, continuously cooled and effectively resistant to reburning.
Drawings
FIG. 1 is a schematic diagram of the PACK grade gas fire protection system of the present invention.
FIG. 2 is a flow chart of the PACK fire protection system strategy of the present invention.
FIG. 3 is a schematic diagram of the PACK fire-fighting single cluster system of the present invention.
In the figure: 1. a battery energy storage compartment body; 2. a gas fire-fighting bracket; 3. a 6KG gas storage tank; 4. a control box; 5. a PACK primary gas pipeline; 6. a PACK secondary gas line; 7. a PACK three-stage gas pipeline; 8. an electromagnetic valve; 9. a battery pack; 6a, conveying pipe bodies; 6b, connecting the pipe body.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The lithium ion battery energy storage cabin PACK-level gas fire-fighting system shown in FIG. 1 comprises a battery energy storage cabin main body 1, wherein a gas fire-fighting bracket 2 is arranged in the battery energy storage cabin main body 1, the gas fire-fighting bracket 2 is a vertical sheet metal welding bracket body, and nuts are arranged on the bracket body to meet the installation requirement of equipment, so that a 6KG gas storage tank 3 is arranged on the top surface of the gas fire-fighting bracket 2, and a control box 4,6KG gas storage tank 3 is arranged on the side surface of the gas fire-fighting bracket 2 and is communicated with a control box 4 and is communicated with a PACK-level gas pipeline 5 through the control box 4; the PACK primary gas pipeline 5 is divided into two paths to be communicated with the PACK secondary gas pipeline 6, and each PACK secondary gas pipeline 6 is divided into multiple paths to be communicated with the PACK tertiary gas pipeline 7;
the PACK primary gas pipeline 5 is vertically arranged in the battery energy storage cabin body 1, and the PACK secondary gas pipeline 6 comprises a conveying pipe body 6a which is transversely communicated with the upper end of the PACK primary gas pipeline 5 in two ways, and a plurality of connecting pipe bodies 6b which are vertically communicated with the conveying pipe body 6a, wherein each connecting pipe body 6b is connected with a plurality of PACK tertiary gas pipelines 7. The plurality of connection pipe bodies 6b are arranged on the conveying pipe body 6a at uniform intervals in the transverse direction, and the plurality of PACK three-level gas pipelines 7 are arranged on the connection pipe bodies 6b at uniform intervals in the vertical direction.
As shown in FIG. 3, between two adjacent connecting pipes 6b on the same conveying pipe 6a, a battery PACK 9 of a battery energy storage cabin body is arranged at the position of a PACK three-level gas pipeline 7 of the same connecting pipe 6b, a spray head of the battery PACK 9 is spliced with the PACK three-level gas pipeline 7 at the adjacent position, an SAE1582 quick connector is adopted, the PACK one-level gas pipeline 5, the PACK two-level gas pipeline 6 and the PACK three-level gas pipeline 7 are flexible corrugated pipes, the wall thickness is 1.5mm, the outer diameter of the air pipe is 17mm, and the inner surface and the outer surface of the corrugated pipes are smooth and convenient to install. The battery packs 9 on the same layer are connected through a three-way joint, and the inner diameter of the three-way joint is 14mm.
The electromagnetic valves 8 of the control box 4 are arranged on the PACK secondary gas pipeline 6 and the PACK tertiary gas pipeline 7, the control box 4 is in bus communication connection with the battery management system through a controller local area network, independent electromagnetic valves are arranged on the PACK tertiary gas pipeline and the PACK secondary gas pipeline and used as control valves, air inlet of a single cluster and a single package can be efficiently controlled, and a gas detection module is arranged in the battery package 9 so as to detect VOC and CO concentrations.
The above scheme forms a fire control method of a lithium ion battery energy storage cabin PACK-level gas fire-fighting system, as shown in fig. 2, in the fire control method, when thermal runaway occurs, a secondary BWS of a battery management system sends a tertiary BMS through a message to generate a thermal runaway fault, and the secondary BMS reports a thermal runaway alarm state to the tertiary BMS through the message. The three-stage BMS actively transmits a message for opening the valve of the air storage tank to the control box, the three-stage BMS communicates with a host computer of the control box through CAN2, and transmits a valve opening instruction, and the host computer feeds back the valve opening and closing states through the message. The three-level BMS issues instructions to open a main valve and a corresponding sub valve of a cluster where a battery pack corresponding to thermal runaway is located, a two-level BMS control electromagnetic valve module is executed to install a gas injection logic strategy, the two-level BMS reports a thermal runaway alarm state to the three-level BMS through a message, the three-level execution of a current path under a fault is performed, and the fault battery pack of the thermal runaway is recorded.
Wherein, the second grade BMS control solenoid valve module installs gas injection logic strategy and is: closing the valve after the first valve opening injection time is 45s, and injecting the dose of 1.65L; the valve is closed after the valve is opened for the second time after the interval of 10min, the injection dosage is 0.11L, the valve is closed after the valve is opened for 3s after the interval of 10min is continuously executed, the injection dosage is 0.11L, and the repeated execution is carried out for 4 times, so that the total valve opening injection is 60s, the valve opening is 6 times, and the valve closing is 6 times.
According to the invention, the PACK-level gas detection linkage BMS is adopted, meanwhile, the gas detection module is additionally arranged in the battery PACK, and the VOC and CO concentration is detected with high sensitivity by combining the voltage and the temperature change rate of the battery PACK, so that the problem that the single battery is out of control due to overcharging, overdischarging and the like is solved, and the rapid fire extinguishing is realized through the gas extinguishing medium spray head configured by the energy storage system, so that the fire spreading is prevented in time. Through set up independent solenoid valve system on PACK second grade gas line and PACK tertiary gas line, can accomplish PACK electricity core level, battery cluster level is protection unit, through predetermineeing the detector in every PACK battery package, detect the change of the inside chemical composition of lithium cell in real time, carry out analysis and calculation by the chip to the change condition of various parameters, when the thermal runaway sign appears in the inside battery cell of this cluster battery box, the subregion control valve of this package or cluster is immediately started, carry out the early suppression prevention and control of effectual conflagration, quick inerting suppression to the electric core in the battery box, the effectual thermal runaway expansion of reduction lithium cell and the risk of energy storage cabinet explosion.
And the program-controlled working logic of the control box is 6 times of package-level point spraying, once the combustible gas, smoke, electrolyte or temperature reaches a threshold value, the composite detector in the battery package immediately transmits a signal to the data concentrator, and the corresponding pipeline selection valve is opened. After the control box host receives the signals of the concentrator, the inhibition device and related linkage are started, fire extinguishing agent in the air storage tank is sprayed to a thermal runaway PACK package through a preset pipe network and an opened valve, and the thermal runaway PACK package is preset according to programming logic, continuously sprayed for multiple times, continuously cooled and effectively resistant to reburning.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (10)
1. A PACK-level gas fire-fighting system of a lithium ion battery energy storage cabin is characterized in that: the intelligent energy storage system comprises a battery energy storage cabin main body (1), wherein a gas fire-fighting bracket (2) is arranged in the battery energy storage cabin main body (1), a 6KG gas storage tank (3) and a control box (4) are arranged on the gas fire-fighting bracket (2), and the 6KG gas storage tank (3) is communicated with the control box (4) and is communicated with a PACK primary gas pipeline (5) through the control box (4);
the PACK primary gas pipeline (5) is divided into two paths which are communicated with the PACK secondary gas pipeline (6), and each PACK secondary gas pipeline (6) is divided into a plurality of paths which are communicated with the PACK tertiary gas pipeline (7);
electromagnetic valves (8) of the control box (4) are arranged on the PACK secondary gas pipeline (6) and the PACK tertiary gas pipeline (7).
2. The lithium ion battery energy storage compartment PACK level gas fire protection system of claim 1, wherein: the utility model discloses a PACK energy storage cabin is characterized in that a PACK primary gas pipeline (5) is vertically arranged in a battery energy storage cabin main body (1), and a PACK secondary gas pipeline (6) comprises a conveying pipe body (6 a) which is transversely communicated with the upper end of the PACK primary gas pipeline (5) in two paths, a plurality of connecting pipe bodies (6 b) which are vertically communicated with the conveying pipe body (6 a), and a plurality of PACK tertiary gas pipelines (7) are connected to each connecting pipe body (6 b).
3. The lithium ion battery energy storage compartment PACK level gas fire protection system of claim 2, wherein: the connecting pipe bodies (6 b) are arranged on the conveying pipe body (6 a) at equal intervals in the transverse direction, and the PACK three-level gas pipelines (7) are arranged on the connecting pipe body (6 b) at equal intervals in the vertical direction.
4. A lithium ion battery energy storage compartment PACK level gas fire protection system according to claim 3, characterized in that: and a battery PACK (9) of a battery energy storage cabin main body (1) is arranged between two adjacent connecting pipes (6 b) on the same conveying pipe (6 a) and at the position of a PACK three-level gas pipeline (7) of the same connecting pipe (6 b), and a spray head of the battery PACK (9) is spliced with the PACK three-level gas pipeline (7) at the adjacent position.
5. The lithium ion battery energy storage compartment PACK level gas fire protection system of claim 4, wherein: the control box (4) is in communication connection with the battery management system through a controller area network bus.
6. The lithium ion battery energy storage compartment PACK level gas fire protection system of any one of claims 1-5, wherein: the PACK primary gas pipeline (5), the PACK secondary gas pipeline (6) and the PACK tertiary gas pipeline (7) are flexible corrugated pipes.
7. The lithium ion battery energy storage compartment PACK level gas fire protection system of any one of claims 1-5, wherein: the battery packs (9) on the same layer are connected through a three-way joint.
8. The lithium ion battery energy storage compartment PACK level gas fire protection system of any one of claims 1-5, wherein: a gas detection module is arranged in the battery pack (9) to detect VOC and CO concentrations.
9. The fire control method of the lithium ion battery energy storage cabin PACK-level gas fire control system according to claim 5, wherein the fire control method comprises the following steps: when thermal runaway occurs, the secondary BWS of the battery management system sends a message to the tertiary BMS to generate a thermal runaway fault, the tertiary BMS actively sends a message for opening a valve of a 6KG gas storage tank to the control box, the tertiary BMS sends a command for opening a main valve and a corresponding sub valve of a cluster where a corresponding battery pack which is in thermal runaway occurs, the secondary BMS controls the electromagnetic valve module to install a gas injection logic strategy, the secondary BMS reports a thermal runaway alarm state to the tertiary BMS through the message, the tertiary BMS executes a current process under the fault, and the fault battery pack which is in thermal runaway is recorded.
10. The fire protection method of a lithium ion battery energy storage bin PACK level gas fire protection system according to claim 9, wherein: the secondary BMS control solenoid valve module is provided with a gas injection logic strategy: closing the valve after the first valve opening injection time is 45s, and injecting the dose of 1.65L;
the valve is closed after the valve is opened for the second time after the interval of 10min, the injection dosage is 0.11L, the valve is closed after the valve is opened for 3s after the interval of 10min is continuously executed, the injection dosage is 0.11L, and the repeated execution is carried out for 4 times, so that the total valve opening injection is 60s, the valve opening is 6 times, and the valve closing is 6 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311345758.4A CN117258186A (en) | 2023-10-17 | 2023-10-17 | Lithium ion battery energy storage cabin PACK-level gas fire-fighting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311345758.4A CN117258186A (en) | 2023-10-17 | 2023-10-17 | Lithium ion battery energy storage cabin PACK-level gas fire-fighting system and method |
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| Publication Number | Publication Date |
|---|---|
| CN117258186A true CN117258186A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311345758.4A Pending CN117258186A (en) | 2023-10-17 | 2023-10-17 | Lithium ion battery energy storage cabin PACK-level gas fire-fighting system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117878481A (en) * | 2024-01-22 | 2024-04-12 | 清安储能技术(重庆)有限公司 | Pipeline harness layout structure and layout method of energy storage container |
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2023
- 2023-10-17 CN CN202311345758.4A patent/CN117258186A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117878481A (en) * | 2024-01-22 | 2024-04-12 | 清安储能技术(重庆)有限公司 | Pipeline harness layout structure and layout method of energy storage container |
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