CN110772732A - Container type lithium battery energy storage system with fire-fighting function and fire-fighting device thereof - Google Patents
Container type lithium battery energy storage system with fire-fighting function and fire-fighting device thereof Download PDFInfo
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- CN110772732A CN110772732A CN201911009166.9A CN201911009166A CN110772732A CN 110772732 A CN110772732 A CN 110772732A CN 201911009166 A CN201911009166 A CN 201911009166A CN 110772732 A CN110772732 A CN 110772732A
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- 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
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a container type lithium battery energy storage system with a fire-fighting function and a fire-fighting device thereof, and relates to the field of energy storage systems, wherein the fire-fighting device comprises a pipeline system, a detection device and a control system, wherein the pipeline system comprises a main pipeline, a branch pipeline, a ball valve, a connecting hose and a nozzle; the main branch pipe is connected with the cooling medium and the branch pipe, the branch pipe is sequentially connected with the connecting hose and the spray head, and the ball valve is arranged on the branch pipe; the detection device comprises a sensor; the control system comprises a main control unit, a slave control unit and a relay assembly, wherein the relay assembly is connected with the ball valve; the invention also provides an energy storage system comprising the fire fighting device, wherein the spray head is arranged on the battery box and communicated with the inside of the battery box, and the slave control unit and the sensor are arranged in the battery box. The fire fighting device has the advantages of quick response, high fire extinguishing efficiency, point-to-point coverage and no misjudgment and misoperation; the internal temperature of the box body can be effectively controlled, and the loss of lives and properties is reduced.
Description
Technical Field
The invention relates to the field of energy storage systems, in particular to the field of fire safety of energy storage systems, and specifically relates to a container type lithium battery energy storage system with a fire protection function and a fire protection device thereof.
Background
At present, with the development of lithium battery energy storage, the energy storage system is gradually developed into a high-capacity container cabinet energy storage system, but the energy storage safety and fire fighting measures of the high-capacity container cabinet energy storage system cannot be ignored; in the prior art, heptafluoropropane is generally used for fire safety application, the principle is that oxygen is isolated to extinguish fire, but when open fire occurs in a battery pack, the fire extinguishing efficiency is low.
Therefore need urgent research and development a fire control unit suitable for container formula lithium cell energy storage system, this fire control unit can in time put out a fire to energy storage system to the inside temperature of effective control box.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art: a container type lithium battery energy storage system with a fire-fighting function and a fire-fighting device thereof are provided.
The technical solution of the invention is as follows:
the invention provides a fire fighting device, which comprises a pipeline system, a detection device and a control system, wherein the pipeline system is provided with a pipeline;
the pipeline system comprises a main pipeline, a branch pipeline, a ball valve, a connecting hose and a nozzle; the spray head is arranged on a battery box of the lithium battery energy storage system and is communicated with the interior of the battery box; the outlet end of the connecting hose is communicated with the spray head, and the inlet end of the connecting hose is communicated with the branch pipe; the outlet end of the main pipeline is communicated with the branch pipeline, and the inlet end of the main pipeline is communicated with the cooling medium; the ball valve is arranged on the branch pipe;
the detection device comprises a sensor, wherein the sensor is arranged in the battery box and is used for detecting the fire condition in the battery box;
the control system comprises a master control unit, a slave control unit and a relay assembly, wherein the master control unit is in communication connection with the slave control unit; the slave control unit is arranged in the battery box, is in communication connection with the sensor and is used for transmitting the sensor detection signal to the master control unit; the main control unit is in communication connection with the relay assembly and is used for controlling the on-off of the relay assembly according to the detection signal of the sensor; the relay assembly is connected with the ball valve and used for controlling the opening and closing of the ball valve.
Further, be equipped with the ball valve connecting rod on the ball valve, including relay control connecting rod on the relay subassembly, relay control connecting rod with the ball valve connecting rod is connected.
Furthermore, the pipeline system also comprises an elbow and a flange plate, wherein the outlet end of the elbow is communicated with the spray head, and the inlet end of the elbow is communicated with the connecting hose; the sprayer is arranged on the battery box through the flange plate, and the flange plate is provided with a mounting hole; and one end of the spray head, which is positioned in the battery box, is provided with a spraying hole.
Further, the elbow is connected with the connecting hose through a first clamp ring and a first clamp.
Furthermore, one end of the main path pipe is communicated with the cooling medium, the other end of the main path pipe is provided with a seal head, and the side wall of the main path pipe is provided with an outlet communicated with the branch path pipe; the branch pipe is a plurality of.
Further, the branch pipe is connected with the connecting hose through a second clamp ring and a second clamp.
Further, the sensor is a temperature sensor and/or a smoke sensor and/or a gas sensor.
The invention provides a container type lithium battery energy storage system with a fire-fighting function, which comprises the fire-fighting device as claimed in any one of claims and a battery box, wherein the battery box comprises a module, a box body and a box cover matched with the box body, and the module is arranged in the box body; the spray head is installed on the box cover in a penetrating mode.
Furthermore, a spray head through hole and a spray head fixing screw are arranged on the box cover, the spray head penetrates through the spray head through hole and is arranged on the box cover, and a spray hole is formed in one end, located in the battery box, of the spray head; the spray head fixing screw is matched and fixed with the mounting hole.
Furthermore, the bottom of the box body is provided with a liquid leakage hole.
The invention has the beneficial effects that:
1. the fire fighting device disclosed by the invention is rapid in reaction and high in fire extinguishing efficiency, and can be suitable for different container type lithium battery energy storage systems.
2. According to the fire fighting device, the slave control unit is arranged in the battery box, the slave control unit is in communication connection with the master control unit through the CAN, and the master control unit is in signal connection with the relay assembly on each battery box, so that when a certain battery box catches fire, the master control unit CAN accurately judge the fire catching position and control the corresponding relay assembly to be opened for fire extinguishing.
3. The container type lithium battery energy storage system has a fire-fighting function, and the cooling liquid in the fire extinguishing device disclosed by the invention is sprayed through the spray head, so that a large area of modules in the battery box can be covered, the battery box can be extinguished in time, the internal temperature of the box body is effectively controlled, and the loss of lives and properties is reduced.
Drawings
FIG. 1 is a schematic illustration of an explosive structure of the present application;
FIG. 2 is a first schematic diagram of a piping system according to the present application;
FIG. 3 is a second schematic structural diagram of a piping system according to the present application;
FIG. 4 is a schematic view of a portion of the piping system of the present application;
FIG. 5 is a schematic diagram of a relay assembly of the present application;
fig. 6 is a schematic structural view of a battery box of the present application;
FIG. 7 is a schematic view of a battery case cover according to the present application;
FIG. 8 is a diagram of a battery case of the present application;
the following are marked in the figure: 100. a battery box; 101. a box body; 1011. a weep hole; 102. a box cover; 1021. a nozzle through hole; 1022. a nozzle fixing screw; 103. a module; 201. a main pipe; 2011. sealing the end; 202. a branch pipe; 2021. a second clamp ring; 2022. a second clamp; 203. a ball valve; 2031. a ball valve connecting rod; 204. a connecting hose; 205. a spray head; 2051. spraying holes; 206. a flange plate; 2061. mounting holes; 207. bending the pipe; 2071. a first clamp ring; 2072. a first clamp; 301. a main control unit; 302. a slave control unit; 303. a relay assembly; 3031. the relay controls the link.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
As shown in fig. 1 to 5, the fire fighting device for the container type lithium battery energy storage system comprises a pipeline system, a detection device and a control system;
the pipeline system comprises a main pipeline 201, a branch pipeline 202, a ball valve 203, a connecting hose 204, a spray head 205, an elbow 207 and a flange 206; the spray head 205 is installed on the battery box 100 of the lithium battery energy storage system and is communicated with the interior of the battery box 100; in this embodiment, the spray nozzle 205 is installed through the upper wall of the battery box 100, and one end of the spray nozzle 205 located in the battery box 100 is provided with a spray hole 2051; the nozzle 205 is fixedly mounted on the battery box 100 through the flange 206, specifically, the flange 206 is provided with mounting holes 2061, and the flange 206 can be fixed on the battery box 100 by matching with the mounting holes 2061 through screws or bolts. The outlet end of the elbow 207 is communicated with the spray head 205, and the inlet end is communicated with the connecting hose 204; the outlet end of the connecting hose 204 is communicated with the elbow 207, and the inlet end is communicated with the branch pipe 202; the outlet end of the main pipeline 201 is communicated with the branch pipeline 202, and the inlet end is communicated with the cooling medium; the ball valve 203 is installed on the branch pipe 202 and used for controlling the on-off of the branch pipe.
The detection device comprises a sensor, wherein the sensor is arranged in the battery box 100 and is used for detecting the fire condition in the battery box 100; in this embodiment, the sensor is one or more of a temperature sensor, a smoke sensor, and a gas sensor, and is respectively configured to detect an abnormality of temperature, smoke, volatile gas, and the like in the battery box 100, and the duration of the abnormality exceeds an early warning threshold; when the continuous high temperature in the battery box is overtime, the concentration of smoke and electrolyte in the battery box can exceed the standard, so that the temperature, the smoke, the volatile gas and the like can be detected through the sensor.
The control system comprises a master control unit 301, a slave control unit 302 and a relay assembly 303, wherein the master control unit 301 is in communication connection with the slave control unit 302, specifically, in communication transmission connection through a CAN; the slave control unit 302 is disposed in the battery box 100, is in communication connection with the sensors, and is configured to receive transmission data of the sensors in each battery box 100 and transmit the transmission data of the sensors to the master control unit 301; the main control unit 301 is in communication connection with the relay assembly 303 and is used for controlling the opening and closing of the relay assembly 303 on the corresponding battery box 100 according to data transmitted by the slave control unit; the relay assembly 303 is connected to the ball valve 203 and is used for controlling the opening and closing of the ball valve 203. In this embodiment, the main control unit 301 is a BMS battery management system.
In this embodiment, the ball valve 203 is provided with a ball valve link 2031, the relay assembly 303 includes a relay control link 3031, and the relay control link 3031 is connected to the ball valve link 2031, so that when the relay assembly 303 is opened and the relay control link 3031 is actuated, it is connected to the ball valve link 2031, and the ball valve link 2031 is actuated to push the ball valve 203 to open.
The principle of the invention is as follows: when a sensor arranged in the battery box 100 of the container type lithium battery energy storage system detects that the temperature, the smoke, the volatile gas and the like in the battery box 100 are abnormal and the duration time exceeds an early warning threshold value; a slave control unit 302 arranged in the battery box 100 transmits the sensor alarm information to a master control unit 301 through CAN communication; the main control unit 301 opens the relay assembly 303 of the corresponding channel according to the position of the battery box 100, and makes the relay control link 3031 operate, which is connected to the ball link 2031, so that the ball link 2031 operates to push the ball 203 to open. The cooling liquid in the main pipe 201 rapidly flows through the branch pipe 202 and the connection hose 204 at this position, and the cooling liquid with a certain pressure is sprayed into the battery box 100 through the spraying holes 2051 on the spraying head 205 to extinguish the fire.
Example 2
As shown in fig. 2 to 3, this embodiment is an improvement on the basis of embodiment 1, specifically, one end of the main pipe 201 is communicated with the cooling medium, and the other end of the main pipe 201 is provided with a sealing head 2011, and an outlet communicated with the branch pipe 202 is provided on a side wall of the main pipe 201, the number of the branch pipes 202 is a plurality, and the plurality of the branch pipes 202 are respectively communicated with a plurality of different battery boxes 100 in the container type lithium battery energy storage system, so as to extinguish a fire of the plurality of battery boxes 100 at the same time. Meanwhile, the master control unit 301 is in communication connection with the slave control unit 302 through CAN communication, so that when a certain battery box 100 catches fire, the slave control unit 302 in the battery box transmits a signal to the master control unit 301, and the master control unit 301 controls the branch pipes on the battery box 100 to be communicated, so that the coolant CAN extinguish the fire of the battery box 100.
Example 3
As shown in fig. 1 to 2, the present embodiment is an improvement of embodiment 1, and specifically, the branch pipe 202 and the connection hose 204 are connected by a second clamp ring 2021 and a second clamp 2022. The second clamp ring 2021 is clamped by the second clamp 2022 to fix the connection hose 204 on the branch pipe 202, and functions as a bridge connecting the connection hose 204 and the branch pipe 202, and the second clamp ring 2021 and the second clamp 2022 can bear certain water pressure without falling off and can withstand long-time cracking deformation under the environment of 50 ℃.
Example 4
As shown in fig. 1 and 4, this embodiment is an improvement of embodiment 1, and specifically, the elbow 207 is connected to the connection hose 204 through a first clamp ring 2071 and a first clamp 2072. The first clamp ring 2071 is clamped by the first clamp ring 2072 to fix the connection hose 204 on the 1035 elbow, which acts as a bridge between the connection hose 204 and the elbow 207, and the first clamp ring 2072 and the first clamp ring 2071 can withstand a certain water pressure without falling off and can withstand long-term cracking deformation under an environment of 50 ℃.
Example 5
As shown in fig. 1 and 6 to 8, the container type lithium battery energy storage system with a fire-fighting function in the invention comprises the fire-fighting device according to any one of embodiments 1 to 4, and further comprises a battery box 100, specifically, the battery box 100 comprises a module 103, a box body 101, and a box cover 102 matched with the box body 101, wherein the module 103 is arranged inside the box body 101; the slave control unit 302 and the sensor are arranged inside the box body 101; the spray head 205 is penetratingly mounted on the box cover 102; specifically, a sprayer through hole 1021 and a sprayer fixing screw 1022 are arranged on the box cover 102, the sprayer 205 penetrates through the sprayer through hole 1021 and is arranged on the box cover 102, and a spraying hole 2051 is formed in one end of the sprayer 205 located in the battery box 100; the nozzle fixing screw 1022 is fixed to the mounting hole 2061. The bottom of the box body 101 is provided with a liquid leakage hole 1011.
This container formula lithium battery energy storage system extinguishment with fire control function's principle is: a sensor positioned in the box body 101 detects that the temperature, the smoke, the volatile gas and the like in the battery box 100 are abnormal and the duration time exceeds an early warning threshold; a slave control unit 302 arranged in the box body 101 transmits the sensor alarm information to a master control unit 301 through CAN communication; the main control unit 301 opens the relay assembly 303 of the corresponding channel according to the position of the battery box 100, and makes the relay control link 3031 operate, which is connected to the ball link 2031, so that the ball link 2031 operates to push the ball 203 to open. The cooling liquid in the main pipe 201 rapidly flows through the branch pipe 202 and the connection hose 204, and the cooling liquid with a certain pressure passes through the spraying holes 2051 on the spraying head 205 to spray the upper surface of the module 103 and flows out through the liquid leakage hole 1011 at the bottom of the box 101.
The above are merely characteristic embodiments of the present invention, and do not limit the scope of the present invention in any way. All technical solutions formed by equivalent exchanges or equivalent substitutions fall within the protection scope of the present invention.
Claims (10)
1. A fire fighting device, characterized in that: comprises a pipeline system, a detection device and a control system;
the pipeline system comprises a main pipeline (201), a branch pipeline (202), a ball valve (203), a connecting hose (204) and a spray head (205); the spray head (205) is arranged on a battery box (100) of the lithium battery energy storage system and is communicated with the interior of the battery box (100); the outlet end of the connecting hose (204) is communicated with the spray head (205), and the inlet end of the connecting hose is communicated with the branch pipe (202); the outlet end of the main pipeline (201) is communicated with the branch pipeline (202), and the inlet end of the main pipeline is communicated with a cooling medium; the ball valve (203) is mounted on the branch pipe (202);
the detection device comprises a sensor, wherein the sensor is arranged in the battery box (100) and is used for detecting the fire condition in the battery box (100);
the control system comprises a master control unit (301), a slave control unit (302) and a relay assembly (303), wherein the master control unit (301) is in communication connection with the slave control unit (302); the slave control unit (302) is arranged in the battery box (100), is in communication connection with the sensor, and is used for transmitting the sensor detection signal to the master control unit (301); the main control unit (301) is in communication connection with the relay assembly (303) and is used for controlling the opening and closing of the relay assembly (303) according to a detection signal of the sensor; the relay assembly (303) is connected with the ball valve (203) and is used for controlling the opening and closing of the ball valve (203).
2. A fire fighting device as defined in claim 1, characterized in that: the ball valve (203) is provided with a ball valve connecting rod (2031), the relay assembly (303) comprises a relay control connecting rod (3031), and the relay control connecting rod (3031) is connected with the ball valve connecting rod (2031).
3. A fire fighting device as defined in claim 1, characterized in that: the pipeline system also comprises an elbow (207) and a flange plate (206), wherein the outlet end of the elbow (207) is communicated with the spray head (205), and the inlet end of the elbow is communicated with the connecting hose (204); the spray head (205) is mounted on the battery box (100) through the flange plate (206), and a mounting hole (2061) is formed in the flange plate (206); and one end of the spray head (205) positioned in the battery box (100) is provided with a spray hole (2051).
4. A fire fighting device as defined in claim 3, characterized in that: the elbow (207) is connected to the connecting hose (204) via a first clamp ring (2071) and a first clamp (2072).
5. A fire fighting device as defined in claim 1, characterized in that: one end of the main pipeline (201) is communicated with a cooling medium, the other end of the main pipeline is provided with a seal head (2011), and the side wall of the main pipeline (201) is provided with an outlet communicated with the branch pipeline (202); the number of the branch pipes (202) is several.
6. A fire fighting device as defined in claim 1, characterized in that: the branch pipe (202) is connected with the connecting hose (204) through a second clamp ring (2021) and a second clamp (2022).
7. A fire fighting device as defined in claim 1, characterized in that: the sensor is a temperature sensor and/or a smoke sensor and/or a gas sensor.
8. Container formula lithium cell energy storage system with fire control function, its characterized in that: the fire fighting device comprises the fire fighting device according to any one of claims 1 to 7, and further comprises a battery box (100), wherein the battery box (100) comprises a module (103), a box body (101) and a box cover (102) matched with the box body (101), and the module (103) is arranged in the box body (101); the spray head (205) is penetratingly mounted on the box cover (102).
9. The container type lithium battery energy storage system with the fire-fighting function according to claim 8, wherein: a spray head through hole (1021) and a spray head fixing screw (1022) are arranged on the box cover (102), the spray head (205) penetrates through the spray head through hole (1021) and is arranged on the box cover (102), and a spray hole (2051) is formed in one end, located in the battery box (100), of the spray head (205); the spray head fixing screw (1022) is matched and fixed with the mounting hole (2061).
10. The container type lithium battery energy storage system with the fire-fighting function according to claim 8, wherein: and the bottom of the box body (101) is provided with a liquid leakage hole (1011).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911009166.9A CN110772732A (en) | 2019-10-23 | 2019-10-23 | Container type lithium battery energy storage system with fire-fighting function and fire-fighting device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911009166.9A CN110772732A (en) | 2019-10-23 | 2019-10-23 | Container type lithium battery energy storage system with fire-fighting function and fire-fighting device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111437544A (en) * | 2020-03-02 | 2020-07-24 | 浙江杭可科技股份有限公司 | Fire control drainage system based on cylinder lithium cell safety control |
| CN114335873A (en) * | 2021-12-31 | 2022-04-12 | 安徽汉星综合能源有限公司 | Partitioned isolation type energy storage battery box |
| JP2022536482A (en) * | 2020-03-04 | 2022-08-17 | エルジー エナジー ソリューション リミテッド | Battery modules, battery racks containing same and power storage devices containing battery racks |
| WO2023128382A1 (en) * | 2021-12-28 | 2023-07-06 | 주식회사 엘지에너지솔루션 | Battery pack comprising firefighting water storage tank |
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