CN114300773A - Automatic protection system of lithium battery energy storage cabinet - Google Patents
Automatic protection system of lithium battery energy storage cabinet Download PDFInfo
- Publication number
- CN114300773A CN114300773A CN202210078786.3A CN202210078786A CN114300773A CN 114300773 A CN114300773 A CN 114300773A CN 202210078786 A CN202210078786 A CN 202210078786A CN 114300773 A CN114300773 A CN 114300773A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- energy storage
- storage cabinet
- battery energy
- cabinet body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an automatic protection system of a lithium battery energy storage cabinet, which comprises a carbon dioxide storage tank and a lithium battery energy storage cabinet body, wherein the outlet of the carbon dioxide storage tank is connected with a main air pipe through a first air pipe, a first electric ball valve and a compressor are installed on the pipe section of the first air pipe, the first air pipe is connected with a second air pipe in parallel, a second electric ball valve is installed on the pipe section of the second air pipe, the main air pipe is connected with a plurality of unit pipes, the unit pipes are connected with rubber pipes, the rubber pipes are connected with a shell, the shell is fixed on the inner wall of the lithium battery energy storage cabinet body, and a plurality of spray heads are arranged on the side edge of the shell. The invention can ventilate and radiate the interior of the lithium battery energy storage cabinet body, can detect in real time, has good detection effect, and can discharge the combustible gas in the lithium battery energy storage cabinet body through the exhaust pipe; the low-temperature carbon dioxide is used for cooling and extinguishing fire, and the protective effect is good.
Description
Technical Field
The invention relates to the technical field of lithium battery energy storage cabinets, in particular to an automatic protection system of a lithium battery energy storage cabinet.
Background
The lithium battery has the advantages of high energy ratio, long service life, high rated voltage, high power bearing capacity, low self-discharge rate, light weight, strong adaptability to high and low temperature, environmental protection, no water consumption in production and the like, and is widely applied in life. Lithium cell energy storage cabinet is used for depositing the lithium cell, and we all know, and the lithium cell can generate heat in charging or use, and along with live time's process and ageing, the leakage of combustible gas or electrolyte can take place for some lithium cells simultaneously, causes the incident, and artifical passive protection inefficiency just untimely, consequently need initiatively protect, we provide a lithium cell energy storage cabinet automatic protection system to such problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic protection system for a lithium battery energy storage cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic protection system of a lithium battery energy storage cabinet comprises a carbon dioxide storage tank and a lithium battery energy storage cabinet body, wherein an outlet of the carbon dioxide storage tank is connected with a main air pipe through a first air pipe, a first electric ball valve and a compressor are installed on a pipe section of the first air pipe, the first air pipe is connected with a second air pipe in parallel, a second electric ball valve is installed on a pipe section of the second air pipe, the main air pipe is connected with a plurality of unit pipes, the unit pipes are connected with rubber pipes, the rubber pipes are connected with a shell, the shell is fixed on the inner wall of the lithium battery energy storage cabinet body, a plurality of spray heads are arranged on the side edge of the shell, a temperature sensor is installed on the inner wall of the top of the lithium battery energy storage cabinet body, a mounting hole is formed in the top of the lithium battery energy storage cabinet body, a fan is installed in the mounting hole, and an air outlet of the fan is connected with the shell through a third air pipe, smoke filter is installed to the air inlet of fan, the blast pipe has been run through at the top of lithium cell energy storage cabinet body, the internally mounted of blast pipe has explosion-proof detection device.
Preferably, the first electric ball valve is connected with the compressor in series, and the second electric ball valve is connected with the first electric ball valve and the compressor in parallel.
Preferably, a plurality of lithium battery placing plates which are arranged in parallel are fixed on the inner wall of the lithium battery energy storage cabinet body, and the lithium battery placing plates are fixed on the shell.
Preferably, the explosion-proof detection device comprises a combustible gas detector, a smoke detector and a lithium battery electrolyte leakage detector.
Preferably, a dust screen is installed at a port of the exhaust pipe.
Preferably, the top of lithium battery energy storage cabinet body has protective baffle through the support mounting.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the fan operates, the fan sucks external cold air into the shell, the cold air is guided into the shell through the third air pipe and then is sprayed out through the spray head, gas in the lithium battery energy storage cabinet body is discharged through the exhaust pipe, the interior of the lithium battery energy storage cabinet body can be ventilated and cooled, meanwhile, as the combustible gas detector, the smoke detector and the lithium battery electrolyte leakage detector are arranged in the exhaust pipe, whether combustible gas, electrolyte and the like exist in the gas can be effectively detected through the combustible gas detector, the smoke detector and the lithium battery electrolyte leakage detector, an explosion-proof detection device is not required to be arranged for each lithium battery, the structure is simplified, real-time detection can be realized through air circulation, the detection effect is good, and the arranged temperature sensor can detect the temperature in the lithium battery energy storage cabinet body.
According to the invention, after flammable and explosive gas is detected from the exhaust pipe, the second electric ball valve and the third electric ball valve corresponding to the lithium battery energy storage cabinet body are both opened, carbon dioxide gas is sprayed into the lithium battery energy storage cabinet body from the carbon dioxide storage tank through the second air pipe, the main air pipe, the unit pipes, the rubber pipes and the shell in sequence and the sprayer, and the sprayed carbon dioxide accounts for 30-70% of the internal volume of the lithium battery energy storage cabinet body, so that the flammable gas in the lithium battery energy storage cabinet body can be exhausted from the exhaust pipe; when detecting inside high temperature, first electric ball valve, compressor, all open with the corresponding third electric ball valve of lithium cell energy storage cabinet body, the carbon dioxide pressurizes once more for high pressure, passes through first trachea, main trachea, cell tube, rubber tube, casing and spouts the inside of lithium cell energy storage cabinet body through the shower nozzle in proper order this moment, and the volume of the carbon dioxide of spouting accounts for 40% -80% of lithium cell energy storage cabinet body internal volume, utilizes low temperature carbon dioxide to cool down and put out a fire.
According to the invention, the main gas pipe is connected with the plurality of unit pipes, and the third electric ball valve is arranged on each unit pipe, so that the carbon dioxide pipeline realizes zone control, one carbon dioxide storage tank supplies gas to the plurality of lithium battery energy storage cabinet bodies, and the inlet end of each lithium battery energy storage cabinet body is provided with one section of rubber pipe, so that electricity can be effectively prevented from being conducted to other lithium battery energy storage cabinet bodies or the carbon dioxide storage tank through the steel pipe, and a good protection effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an automatic protection system for a lithium battery energy storage cabinet according to the present invention;
fig. 2 is a cross-sectional view of a lithium battery energy storage cabinet body of the automatic protection system for the lithium battery energy storage cabinet provided by the invention.
In the figure: the device comprises a carbon dioxide storage tank 1, a first air pipe 2, a first electric ball valve 3, a compressor 4, a second electric ball valve 5, a second air pipe 6, a main air pipe 7, a unit pipe 8, a third electric ball valve 9, a rubber pipe 10, a lithium battery energy storage cabinet body 11, a shell 12, a sprayer 13, a lithium battery placing plate 14, a third air pipe 15, a fan 16, a smoke filter 17, a combustible gas detector 18, a smoke detector 19, an exhaust pipe 20, a lithium battery electrolyte leakage detector 21, a temperature sensor 22, a support 23, a protective baffle 24 and a dustproof net 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an automatic protection system for a lithium battery energy storage cabinet comprises a carbon dioxide storage tank 1 and a lithium battery energy storage cabinet body 11, wherein an outlet of the carbon dioxide storage tank 1 is connected with a main air pipe 7 through a first air pipe 2, a first electric ball valve 3 and a compressor 4 are installed on a pipe section of the first air pipe 2, the first air pipe 2 is connected with a second air pipe 6 in parallel, a second electric ball valve 5 is installed on a pipe section of the second air pipe 6, the main air pipe 7 is connected with a plurality of unit pipes 8, the unit pipes 8 are connected with a rubber pipe 10, the rubber pipe 10 is connected with a shell 12, the shell 12 is fixed on the inner wall of the lithium battery energy storage cabinet body 11, a plurality of nozzles 13 are arranged on the side edge of the shell 12, a temperature sensor 22 is installed on the inner wall of the top of the lithium battery energy storage cabinet body 11, a mounting hole is formed in the top of the lithium battery energy storage cabinet body 11, and a fan 16 is installed in the mounting hole, the air outlet of the fan 16 is connected with the shell 12 through the third air pipe 15, the smoke filter 17 is installed at the air inlet of the fan 16, the exhaust pipe 20 penetrates through the top of the lithium battery energy storage cabinet body 11, and the explosion-proof detection device is installed inside the exhaust pipe 20.
The first electric ball valve 3 and the compressor 4 are connected in series, and the second electric ball valve 5 is connected with the first electric ball valve 3 and the compressor 4 in parallel.
A plurality of lithium battery placing plates 14 which are arranged in parallel are fixed on the inner wall of the lithium battery energy storage cabinet body 11, and the lithium battery placing plates 14 are fixed on the shell 12.
The explosion-proof detection device comprises a combustible gas detector 18, a smoke detector 19 and a lithium battery electrolyte leakage detector 21.
A dust screen 25 is attached to a port of the exhaust pipe 20.
The top of the lithium battery energy storage cabinet body 11 is provided with a protective baffle 24 through a bracket 23.
The working principle is as follows: in the present invention, the fan 16 is operated, the fan 16 draws in the external cold air and guides the same into the case 12 through the third air duct 15, then the gas is sprayed out through the spray head 13, the gas in the lithium battery energy storage cabinet body 11 is discharged through the exhaust pipe 20, the inside of the lithium battery energy storage cabinet body 11 can be ventilated and radiated, and simultaneously, since the combustible gas detector 18, the smoke detector 19 and the lithium battery electrolyte leakage detector 21 are disposed in the exhaust duct 20, the combustible gas detector 18, the smoke detector 19 and the lithium battery electrolyte leakage detector 21 can effectively detect whether combustible gas, electrolyte and the like exist in the gas, an explosion-proof detection device is not required to be arranged for each lithium battery, the structure is simplified, and through wind circulation, but real-time detection, detection effect is good, and the temperature sensor 22 of setting can be surveyed the inside temperature of lithium cell energy storage cabinet body 11.
In the invention, after flammable and explosive gases are detected from the exhaust pipe 20, the second electric ball valve 5 and the third electric ball valve 9 corresponding to the lithium battery energy storage cabinet body 11 are both opened, carbon dioxide gas passes through the second air pipe 6, the main air pipe 7, the unit pipe 8, the rubber pipe 10 and the shell 12 from the carbon dioxide storage tank 1 in sequence and is sprayed into the lithium battery energy storage cabinet body 11 through the spray head 13, and the sprayed carbon dioxide accounts for 30-70% of the internal volume of the lithium battery energy storage cabinet body 11, so that the flammable gases in the lithium battery energy storage cabinet body 11 can be exhausted from the exhaust pipe 20; when detecting inside high temperature, first electric ball valve 3, compressor 4, all open with the corresponding third electric ball valve 9 of lithium cell energy storage cabinet body 11, carbon dioxide pressurizes once more for high pressure, at this moment in proper order through first trachea 2, main trachea 7, cell tube 8, rubber tube 10, casing 12 and spout the inside into lithium cell energy storage cabinet body 11 through shower nozzle 13, and the amount of the carbon dioxide of spouting accounts for 40% -80% of 11 inside volumes of lithium cell energy storage cabinet body, utilize low temperature carbon dioxide to cool down and put out a fire.
According to the invention, the main gas pipe 7 is connected with the plurality of unit pipes 8, and the third electric ball valve 9 is arranged on each unit pipe 8, so that the carbon dioxide pipeline realizes zone control, gas is supplied to the plurality of lithium battery energy storage cabinet bodies 11 from one carbon dioxide storage tank 1, and the inlet end of each lithium battery energy storage cabinet body 11 is provided with one section of rubber pipe 10, so that electricity can be effectively prevented from being transmitted to other lithium battery energy storage cabinet bodies 11 or the carbon dioxide storage tanks 1 through the steel pipes, and a good protection effect is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The automatic protection system of the lithium battery energy storage cabinet comprises a carbon dioxide storage tank (1) and a lithium battery energy storage cabinet body (11), and is characterized in that an outlet of the carbon dioxide storage tank (1) is connected with a main air pipe (7) through a first air pipe (2), a first electric ball valve (3) and a compressor (4) are installed on a pipe section of the first air pipe (2), the first air pipe (2) is connected with a second air pipe (6) in parallel, a second electric ball valve (5) is installed on a pipe section of the second air pipe (6), the main air pipe (7) is connected with a plurality of unit pipes (8), the unit pipes (8) are connected with rubber pipes (10), the rubber pipes (10) are connected with a shell (12), the shell (12) is fixed on the inner wall of the lithium battery energy storage cabinet body (11), a plurality of spray heads (13) are arranged on the side edge of the shell (12), install temperature sensor (22) on the top inner wall of lithium cell energy storage cabinet body (11), the mounting hole has been seted up at the top of lithium cell energy storage cabinet body (11), install fan (16) in the mounting hole, the gas outlet of fan (16) is connected with casing (12) through third trachea (15), smoke filter (17) are installed to the air inlet of fan (16), blast pipe (20) have been run through at the top of lithium cell energy storage cabinet body (11), the internally mounted of blast pipe (20) has explosion-proof detection device.
2. The automatic protection system of the lithium battery energy storage cabinet according to claim 1, wherein the first electric ball valve (3) is connected with the compressor (4) in series, and the second electric ball valve (5) is connected with the first electric ball valve (3) and the compressor (4) in parallel.
3. The automatic protection system of the lithium battery energy storage cabinet as claimed in claim 1, wherein a plurality of lithium battery placing plates (14) arranged in parallel are fixed on the inner wall of the lithium battery energy storage cabinet body (11), and the lithium battery placing plates (14) are fixed on the shell (12).
4. The automatic protection system of the lithium battery energy storage cabinet according to claim 1, wherein the explosion-proof detection device comprises a combustible gas detector (18), a smoke detector (19) and a lithium battery electrolyte leakage detector (21).
5. The automatic protection system for the lithium battery energy storage cabinet as claimed in claim 1, wherein a dust screen (25) is installed at a port of the exhaust pipe (20).
6. The automatic protection system of the lithium battery energy storage cabinet as claimed in claim 1, wherein a protection baffle (24) is installed on the top of the lithium battery energy storage cabinet body (11) through a bracket (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078786.3A CN114300773A (en) | 2022-01-24 | 2022-01-24 | Automatic protection system of lithium battery energy storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078786.3A CN114300773A (en) | 2022-01-24 | 2022-01-24 | Automatic protection system of lithium battery energy storage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114300773A true CN114300773A (en) | 2022-04-08 |
Family
ID=80976873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210078786.3A Pending CN114300773A (en) | 2022-01-24 | 2022-01-24 | Automatic protection system of lithium battery energy storage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114300773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199574A (en) * | 2023-11-03 | 2023-12-08 | 宁德时代新能源科技股份有限公司 | Energy storage protection system, energy storage protection method and electricity utilization device |
-
2022
- 2022-01-24 CN CN202210078786.3A patent/CN114300773A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199574A (en) * | 2023-11-03 | 2023-12-08 | 宁德时代新能源科技股份有限公司 | Energy storage protection system, energy storage protection method and electricity utilization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109893802A (en) | It is a kind of to be equipped for electrochemical energy storage shelter heat management and the system of fire-fighting | |
| WO2022016765A1 (en) | Fire prevention and control system for lithium ion battery prefabricated container and control method therefor | |
| CN110165110A (en) | Lithium battery energy storage battery container and its fire prevention partition method with fire prevention isolation features | |
| CN206295526U (en) | A kind of electrokinetic cell bag with extinguishing device | |
| CN205069780U (en) | Take extinguishing device's lithium ion battery group | |
| CN110227224A (en) | A kind of container-type lithium ion battery energy storage system sprays fire extinguisher coupled structure design | |
| CN114300773A (en) | Automatic protection system of lithium battery energy storage cabinet | |
| CN201163745Y (en) | Thermal power exchange and equipment cooling apparatus of high voltage frequency convertor | |
| WO2023093233A1 (en) | Energy storage device | |
| CN114053632A (en) | Energy storage device and control method thereof | |
| CN116979581B (en) | Energy storage system capable of reducing light rejection and operation method thereof | |
| CN219937163U (en) | Energy storage container and energy storage equipment | |
| CN217062254U (en) | Automatic protection system of lithium battery energy storage cabinet | |
| CN209933885U (en) | System equipment for thermal management and fire control of electrochemical energy storage shelter | |
| CN116899148A (en) | Intelligent multi-redundancy fire-fighting system and fire-fighting method for liquid-cooled energy storage container | |
| CN209068604U (en) | A kind of coating purification air-conditioning unit of electrolytic seawater hydrogen manufacturing driving burning | |
| CN114204178A (en) | Collect air conditioner ventilation and fire control and discharge fume in marine lithium cell cabinet of an organic whole | |
| CN210273193U (en) | Transformer substation CT secondary junction box solar moisture-removing box | |
| CN208767436U (en) | A kind of intelligence energy storage integrating device | |
| CN208485089U (en) | A kind of cooling chemical storage tank | |
| CN221530080U (en) | Battery testing device | |
| CN217187559U (en) | Carbon dioxide inerting device | |
| CN218939940U (en) | Battery plug box and energy storage power station of integrated immersed fire control structure | |
| CN216629485U (en) | Energy storage device | |
| CN219884703U (en) | Explosion-proof breather valve for petroleum storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |