CN115501521A - Energy storage system - Google Patents
Energy storage system Download PDFInfo
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- CN115501521A CN115501521A CN202211280310.4A CN202211280310A CN115501521A CN 115501521 A CN115501521 A CN 115501521A CN 202211280310 A CN202211280310 A CN 202211280310A CN 115501521 A CN115501521 A CN 115501521A
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- Prior art keywords
- fire
- fighting
- gas
- pipeline
- energy storage
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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
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
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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
Abstract
The invention relates to the technical field of energy storage, in particular to an energy storage system. The invention provides an energy storage system which comprises a box body, a battery system and a fire fighting system, wherein the battery system and the fire fighting system are both positioned in the box body, the battery system comprises a plurality of groups of battery clusters which are arranged at intervals, each group of battery clusters comprises a plurality of plug-in boxes which are sequentially stacked, the fire fighting system comprises a fire fighting host, a fire fighting pipeline and a gas-liquid two-phase flow sprayer which are sequentially communicated, and the fire fighting pipeline is communicated with a plurality of gas-liquid two-phase flow sprayers, so that each plug-in box is correspondingly provided with one gas-liquid two-phase flow sprayer, thereby realizing plug-in box level sealing fire fighting in the energy storage system, avoiding the damage of high-temperature inflammable and explosive gas and high-temperature liquid sprayed from a combustion plug-in box to other plug-in boxes, preventing peripheral articles from generating fire due to the fire of the box body, causing economic loss and personal injury, and improving the safety of the energy storage system.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to an energy storage system.
Background
The energy storage system is a device with high integration inside, and a plurality of groups of battery clusters are placed inside the box body, so that the energy storage system has the characteristics of high integration level, small occupied area, flexible installation, good mobility and expansibility and the like. When the internal temperature of the energy storage system is too high, a fire caused by temperature runaway is easy to occur. Current energy storage system carries out the fire control generally to whole box and sprays, and some can carry out the fire control to every group battery cluster and spray, can't carry out the fire control to every subrack in the battery cluster and spray, greatly reduced to energy storage system's fire control spray effect, can't effectively guarantee energy storage system's fire control safety. When a fire disaster occurs, high-temperature inflammable and explosive gas and high-temperature liquid are sprayed out from the plug boxes to the periphery, so that the peripheral plug boxes are damaged or even burnt, a series of plug boxes are damaged or even burnt, the whole energy storage system is burnt and stopped, even peripheral objects are caused to cause the fire disaster, and economic loss and personnel injury are caused.
Therefore, it is desirable to invent an energy storage system to solve the above problems.
Disclosure of Invention
The invention aims to provide an energy storage system, which is used for realizing plug box-level sealing fire control in the energy storage system and improving the safety of the energy storage system.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy storage system, comprising:
a box body;
the battery system is positioned in the box body and comprises a plurality of groups of battery clusters which are arranged at intervals, and each group of battery clusters comprises a plurality of plug-in boxes which are sequentially stacked; and
the fire fighting system is positioned in the box body and comprises a fire fighting host, a fire fighting pipeline and a gas-liquid two-phase flow sprayer which are sequentially communicated, and the fire fighting pipeline is communicated with a plurality of the gas-liquid two-phase flow sprayers so that each plug-in box is correspondingly provided with one gas-liquid two-phase flow sprayer.
As a preferred scheme, a fire extinguishing agent bottle group is arranged inside the fire-fighting main machine, the fire extinguishing agent bottle group is communicated with the fire-fighting pipeline, and the fire extinguishing agent bottle group is used for independently containing fire extinguishing liquid and fire extinguishing gas, so that the fire extinguishing liquid and the fire extinguishing gas flowing out of the fire-fighting pipeline are compatible in the gas-liquid two-phase flow nozzle to form aerosol and then are sprayed into the corresponding plug-in box.
Preferably, the fire extinguishing liquid is perfluorohexanone or heptafluoropropane.
Preferably, the fire fighting system further comprises:
and the external water replenishing pipeline is communicated with the fire extinguishing agent bottle group so as to replenish fire water in the external water replenishing pipeline into the fire extinguishing agent bottle group.
Preferably, the fire fighting pipeline comprises:
the fire-fighting primary pipeline is communicated with the fire-fighting host;
each group of battery clusters is correspondingly provided with the fire-fighting secondary pipelines, and the input end of each fire-fighting secondary pipeline is communicated with the fire-fighting primary pipeline; and
each fire-fighting three-stage pipeline is communicated with one gas-liquid two-phase flow spray head, and the input end of each fire-fighting three-stage pipeline is communicated with the corresponding fire-fighting two-stage pipeline.
Preferably, the fire fighting system further comprises:
the inserting box gas detection assembly is connected to the fire fighting pipeline, one inserting box gas detection assembly is correspondingly arranged on each group of battery clusters, each inserting box gas detection assembly is used for sucking gas corresponding to each inserting box in each battery cluster through the fire fighting pipeline at regular time and detecting whether the sucked gas contains inflammable and explosive gas or not, and therefore the gas-liquid two-phase flow sprayer conducts fire spraying on the inserting boxes according to detection information of the inserting box gas detection assemblies.
As a preferred scheme, a chemical reaction treatment bottle is arranged in the fire-fighting host; the energy storage system further comprises a pressure relief system, the pressure relief system comprising:
each subrack is provided with one unidirectional pressure relief valve; and
and the pressure relief pipeline is communicated with the chemical reaction treatment bottle, and the one-way pressure relief valves are communicated with the pressure relief pipeline.
Preferably, the chemical reaction treatment bottle is filled with a reaction reagent so as to convert inflammable and explosive gas and harmful liquid discharged from the insert box into harmless gas, harmless liquid and harmless solid.
Preferably, the box body is provided with an exhaust member for exhausting the harmless gas exhausted from the anti-chemical treatment bottle out of the box body.
As a preferred scheme, the inside of box is provided with the division board, the division board will the box is divided into battery compartment and electrical storehouse, battery system is located in the battery compartment, the fire engine is located in the electrical storehouse.
Preferably, the energy storage system further includes:
a compartment gas detection assembly disposed within the battery compartment configured to detect whether combustible gas is present within the battery compartment; and
and the exhaust assembly is used for exhausting the combustible gas out of the box body according to the detection information of the bin gas detection assembly.
As a preferred scheme, an explosion-proof pressure relief valve is arranged on the battery cabin.
Preferably, a smoke detection assembly, a temperature detection assembly and an atomization nozzle are arranged in the electric cabin, the atomization nozzle is communicated with the fire-fighting host, and the atomization nozzle is used for spraying fire extinguishing agents in the fire-fighting host into the electric cabin through the atomization nozzle according to detection values of the smoke detection assembly and/or the temperature detection assembly.
The invention has the beneficial effects that:
according to the energy storage system provided by the invention, the plurality of gas-liquid two-phase flow spray heads are communicated on the fire fighting pipeline, so that each plug box is correspondingly provided with one gas-liquid two-phase flow spray head, thus plug box-level sealed fire fighting in the energy storage system is realized, the damage of high-temperature inflammable and explosive gas and high-temperature liquid sprayed out from the combustion plug box to other plug boxes is avoided, surrounding objects caused by the fire of the box body are prevented from being fired, the fire fighting effect on the energy storage system is improved, and the safety of the energy storage system is also improved.
Drawings
Fig. 1 is a front view of an energy storage system provided by an embodiment of the invention;
FIG. 2 is a side view of an energy storage system provided by an embodiment of the invention;
fig. 3 is a top view of an energy storage system provided by an embodiment of the invention.
In the figure:
1. a box body; 11. a partition plate; 12. a battery compartment; 121. an explosion-proof pressure relief valve; 13. an electric bin; 131. an exhaust member; 1311. a first row of fans; 1312. a second exhaust fan; 132. a smoke detection component; 133. a temperature detection assembly; 134. an atomizing spray head;
2. a battery system; 21. a battery cluster; 211. inserting a box;
3. a fire protection system; 31. a fire-fighting host; 311. a fire extinguishing agent bottle group; 312. performing reverse treatment on the bottle; 32. a fire-fighting pipeline; 321. a first-level pipeline for fire protection; 322. a fire-fighting secondary pipeline; 3221. a fire-fighting secondary liquid pipe; 3222. a fire-fighting secondary air pipe; 323. a fire-fighting tertiary pipeline; 33. a gas-liquid two-phase flow nozzle; 34. an external water supplementing pipeline; 35. a box gas detection assembly;
4. a pressure relief system; 41. a one-way pressure relief valve; 42. a pressure relief pipeline; 421. a pressure relief primary pipeline; 422. a pressure relief secondary pipeline; 423. a pressure relief three-stage pipeline;
5. a bin gas detection assembly; 6. an air exhaust assembly; 61. an active exhaust fan; 62. a forced-ventilated fan; 7. a warning component; 8. a scram switch button; 9. a display screen.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides an energy storage system, and mainly relates to an energy storage system of a lithium iron phosphate battery. But not limited to, the energy storage system may be other forms of energy storage systems. Specifically, as shown in fig. 1, the energy storage system provided in this embodiment mainly includes a box 1, a battery system 2, and a fire protection system 3, where the battery system 2 and the fire protection system 3 are both located inside the box 1, and the box 1 has a protective support effect on the battery system 2 and the fire protection system 3. The battery system 2 comprises a plurality of groups of battery clusters 21 which are arranged at intervals, each group of battery clusters 21 comprises a plurality of plug-in boxes 211 which are sequentially stacked in the vertical direction, the fire-fighting system 3 comprises a fire-fighting host 31, a fire-fighting pipeline 32 and a gas-liquid two-phase flow sprayer 33 which are sequentially communicated, the fire-fighting pipeline 32 is communicated with the plurality of gas-liquid two-phase flow sprayers 33, so that one gas-liquid two-phase flow sprayer 33 is correspondingly arranged on each plug-in box 211, thereby realizing the sealed fire fighting of the plug-in boxes 211 in the energy storage system, avoiding the damage of high-temperature combustible explosive gas and high-temperature liquid sprayed by the burning plug-in boxes 211 to other plug-in boxes 211, preventing the fire of the box body 1 from causing peripheral articles to fire, improving the fire fighting effect on the energy storage system, and also improving the safety of the energy storage system.
Preferably, as shown in fig. 1, a fire extinguishing agent bottle group 311 is disposed inside the fire-fighting main unit 31, the fire extinguishing agent bottle group 311 is communicated with the fire-fighting pipeline 32, and the fire extinguishing liquid and the fire extinguishing gas are independently contained in the fire extinguishing agent bottle group 311, so that the fire extinguishing liquid and the fire extinguishing gas flowing out of the fire-fighting pipeline 32 are mixed in the gas-liquid two-phase flow nozzle 33 to form aerosol and then are sprayed into the corresponding insert box 211. The aerosol is formed in the gas-liquid two-phase flow nozzle 33 to carry out fire-fighting spraying on the plug-in box 211, so that the fire-fighting area and the fire-fighting effect of the plug-in box 211 are improved. In particular, the extinguishing liquid may be perfluorohexanone or heptafluoropropane, and the extinguishing gas may be ordinary air.
The concrete structure of the fire-fighting pipeline 32 is described with reference to fig. 1, as shown in fig. 1, the fire-fighting pipeline 32 includes a first-level pipeline 321, a plurality of second-level pipelines 322 and a plurality of third-level pipelines 323, wherein the first-level pipeline 321 is connected with the fire extinguishing agent bottle group 311, each battery cluster 21 is correspondingly provided with a second-level pipeline 322, the input end of each second-level pipeline 322 is connected with the first-level pipeline 321, each third-level pipeline 323 is connected with a gas-liquid two-phase flow nozzle 33, and the input end of each third-level pipeline 323 is connected with the corresponding second-level pipeline 322. When fire-fighting spraying is needed to be carried out on the plug box 211, fire-fighting liquid and fire-fighting gas in the fire-fighting agent bottle group 311 can independently enter each fire-fighting secondary pipeline 322 through the fire-fighting primary pipeline 321, and finally aerosol formed by compatibility of the fire-fighting liquid and the fire-fighting gas is sprayed into the corresponding plug box 211 through the gas-liquid two-phase flow spray nozzle 33 after entering each fire-fighting tertiary pipeline 323 through the fire-fighting secondary pipeline 322.
Specifically, as shown in fig. 1, each secondary fire protection pipeline 322 includes a secondary fire protection liquid pipe 3221 and a secondary fire protection gas pipe 3222, an air inlet of the primary fire protection pipeline 321 is communicated with an air outlet of the fire extinguishing agent bottle group 311, an air inlet of the secondary fire protection pipe 3222 is communicated with an air outlet of the primary fire protection pipeline 321, a middle portion of each tertiary fire protection pipeline 323 is communicated with a two-phase gas-liquid flow nozzle 33, one end of the tertiary fire protection pipeline 323 is communicated with an air outlet of the secondary fire protection pipe 3222, and the other end of the tertiary fire protection pipeline 323 is communicated with an air outlet of the secondary fire protection liquid pipe 3221, so as to ensure that the fire protection gas flowing out from the secondary fire protection pipe 3222 and the fire protection liquid flowing out from the secondary fire protection pipe 3221 respectively flow from both ends of the tertiary fire protection pipe 323 and then flow into the two-phase gas-liquid flow nozzle 33 to form aerosol. In addition, it should be noted that the pipelines can be communicated with each other through two-way or three-way connecting pipes which are correspondingly matched with each other. And fire control first grade pipeline 321, fire control second grade pipeline 322 and fire control tertiary pipeline 323 all can adopt hose TPEE or copper pipe, and hose TPEE and copper pipe have flame retardant efficiency good, the advantage of the installation of being convenient for.
As shown in fig. 2, the fire fighting system 3 further includes an external water supply line 34, and the external water supply line 34 can communicate with the fire extinguishing agent bottle group 311 so that fire extinguishing water in the external water supply line 34 can be supplied to the fire extinguishing agent bottle group 311. After the fire extinguishing liquid in the fire extinguishing agent bottle group 311 is used, the fire can not be effectively extinguished, the fire water supplemented by the external water supplementing pipeline 34 can be sprayed into the corresponding plug box 211 from the gas-liquid two-phase flow nozzle 33 through the liquid outlet of the fire extinguishing agent bottle group 311 in sequence through the first-stage fire-fighting pipeline 321, the second-stage fire-fighting liquid pipe 3221 and the third-stage fire-fighting pipeline 323 until the plug box 211 completely extinguishes the fire, and the submerged fire fighting of the plug box 211 is realized.
In this embodiment, as shown in fig. 1, the fire fighting system 3 further includes a plug box gas detection assembly 35, the plug box gas detection assembly 35 is connected to the first-stage fire fighting pipeline 321, and each group of battery clusters 21 is correspondingly provided with one plug box gas detection assembly 35, a liquid inlet of the second-stage fire fighting liquid pipe 3221 is connected to a liquid outlet of the first-stage fire fighting pipeline 321 after being inserted into a liquid interface of the plug box gas detection assembly 35, a gas inlet of the second-stage fire fighting gas pipe 3222 is connected to a gas outlet of the first-stage fire fighting pipeline 321 after being inserted into a gas interface of the first-stage fire fighting gas detection assembly 35, and each plug box gas detection assembly 35 can suck gas in each plug box 211 of the corresponding battery cluster 21 through the corresponding second-stage fire fighting gas pipe 3222 at regular time and detect whether the sucked gas contains flammable and explosive gas, so that the gas-liquid two-phase flow nozzle 33 performs fire-fighting spraying on the plug box 211 according to detection information of the plug box gas detection assembly 35. Specifically, when the gas detection subassembly 35 of subrack detects that the gas of suction contains flammable and explosive gas, the gaseous detection subassembly 35 of subrack can give fire engine 31 with the signal transmission who corresponds, and at this moment, the inside fire extinguishing agent bottle group 311 of fire engine 31 will put out a fire liquid and put out a fire gaseous through corresponding pipeline inflow and detect out in each subrack 211 in the battery cluster 21 of flammable and explosive gas, realize the pertinence fire control and spray. It should be noted that the box gas detection assembly 35 is an air-breathing fire detector, and the air-breathing fire detector has the advantages of convenience in installation and sensitivity in detection.
When the battery module in subrack 211 is in the course of the work, the battery module is outwards carminative easily, in order to guarantee that the inside atmospheric pressure of subrack 211 is stable, as shown in fig. 1, energy storage system still includes pressure relief system 4, and the inside of fire control host 31 is provided with change anti-processing bottle 312, pressure relief system 4 includes one-way relief valve 41 and pressure release pipeline 42, all install one-way relief valve 41 on every subrack 211, pressure release pipeline 42 is linked together with changing anti-processing bottle 312, and a plurality of one-way relief valves 41 all are linked together with pressure release pipeline 42. When the pressure value inside the subrack 211 reaches the preset value of the one-way pressure release valve 41, the one-way pressure release valve 41 is opened in one way, so that flammable and explosive gas and harmful liquid inside the subrack 211 sequentially pass through the one-way pressure release valve 41 and the pressure release pipeline 42 to flow into the chemical reaction treatment bottle 312, the automatic pressure release process of each subrack 211 is realized, the danger of explosion of the subrack 211 is avoided, and the safety and the reliability of the working of the subrack 211 are improved.
Preferably, when one-way relief valve 41 reached the preset pressure value and opened, one-way relief valve 41 can give fire control host computer 31 with corresponding signal transmission for air pump on the fire control host computer 31 carries out suction work, thereby the air pump passes through pressure release pipeline 42 and increases the suction effect to subrack 211, has further improved the pressure release effect to subrack 211, avoids subrack 211 to take place conflagration and explosion.
Explain pressure release pipeline 42's concrete structure in combination with fig. 1, as shown in fig. 1, pressure release pipeline 42 includes pressure release one-level pipeline 421, a plurality of pressure release second grade pipelines 422 and a plurality of pressure release third grade pipelines 423, wherein, pressure release one-level pipeline 421 is linked together with change anti-processing bottle 312, every group battery cluster 21 all corresponds and is provided with a pressure release second grade pipeline 422, every pressure release second grade pipeline 422 all is linked together with pressure release one-level pipeline 421, every subrack 211 all corresponds and is provided with a pressure release third grade pipeline 423, pressure release third grade pipeline 423 is linked together with one-way pressure release valve 41, and pressure release third grade pipeline 423 is linked together with the pressure release second grade pipeline 422 that corresponds. After flammable and explosive gas and harmful liquid inside the subrack 211 flow into the pressure relief tertiary pipeline 423 through the one-way pressure relief valve 41, the pressure relief tertiary pipeline 423 is converged into the pressure relief primary pipeline 421 through the corresponding pressure relief secondary pipeline 422, and finally flows into the chemical reaction treatment bottle 312. It should be noted that, the pressure relief primary pipeline 421, the pressure relief secondary pipeline 422, and the pressure relief tertiary pipeline 423 can all adopt a hose TPEE or a copper pipe, and the hose TPEE and the copper pipe have the advantages of good flame retardant effect and convenient installation. And all pipelines can be communicated through corresponding matched two-way or three-way connecting pipes.
Preferably, the anti-chemical treatment bottle 312 is filled with a reaction reagent, and the reaction reagent can chemically react with the flammable and explosive gas and the harmful liquid discharged from the insert box 211, so that the flammable and explosive gas and the harmful liquid discharged from the insert box 211 are converted into harmless gas, harmless liquid and harmless solid, and the environmental protection is improved. In this embodiment, the reaction reagent may be activated carbon or other reaction reagents, and the specific form of the reaction reagent is not particularly limited in this embodiment.
Preferably, as shown in fig. 2, a gas discharging member 131 is provided on the housing 1 to discharge the harmless gas discharged from the chemical reaction treatment bottle 312 to the outside of the housing 1. In addition, the harmless liquid and harmless solid converted by the chemical reaction treatment bottle 312 can be cleaned and transported away by the maintenance personnel regularly.
Specifically, the exhaust member 131 includes a first exhaust fan 1311 and a second exhaust fan 1312 which are independently provided, wherein the second exhaust fan 1312 is an automatic louver which is automatically opened when the pressure inside the cabinet 1 reaches a preset value, thereby facilitating the discharge of the harmless gas inside the cabinet 1 outside the cabinet 1. First exhaust fan 1311 is electronic shutter, and when automatic shutter broke down or automatic shutter not exhausted air in time, electronic shutter can start to open, further improves the exhaust effect to harmless gas, guarantees that the atmospheric pressure in the box 1 is stable.
In the present embodiment, as shown in fig. 1, a partition plate 11 is provided inside the cabinet 1, the partition plate 11 divides the cabinet 1 into a battery compartment 12 and an electric compartment 13, wherein the battery system 2 is located in the battery compartment 12, the fire engine 31 is located in the electric compartment 13, and the first exhaust fan 1311 and the second exhaust fan 1312 are both installed in the electric compartment 13, thereby facilitating the discharge of the harmless gas converted in the electric compartment 13 out of the cabinet 1.
In addition, as shown in fig. 3, energy storage system still includes the gaseous detecting component of storehouse 5, and the gaseous detecting component 5 of storehouse sets up in battery compartment 12, and the gaseous detecting component 5 of storehouse is used for detecting whether there is combustible gas in the battery compartment 12, and the subassembly 6 of airing exhaust sets up in battery compartment 12, and the subassembly 6 of airing exhaust can be outside the box 1 with the combustible gas discharge in the battery compartment 12 according to the detection information of the gaseous detecting component 5 of storehouse to the realization is to the fire control of battery compartment 12.
Specifically, gaseous determine module 5 of bin is the combustible gas detector, the combustible gas detector surveys the gas in the battery compartment 12 in real time, the subassembly 6 of airing exhaust includes initiative exhaust fan 61 and forced-ventilated fan 62 that the interval was arranged, when gaseous determine module 5 of bin detected CO or combustible gas, open initiative exhaust fan 61 earlier and exhaust battery compartment 12, when initiative exhaust fan 61 does not act or can not effectively exhaust, open forced-ventilated fan 62 and exhaust, the exhaust effect to battery compartment 12 has further been improved. In addition, it should be noted that the chamber gas detection assembly 5 can also transmit the detected signal to the fire-fighting main unit 31, so that the fire extinguishing agent bottle group 311 in the fire-fighting main unit 31 can perform fire-fighting spraying on the plug box 211 in the battery chamber 12 through the fire-fighting pipeline 32.
Preferably, as shown in fig. 2, the battery compartment 12 is further provided with an explosion-proof pressure relief valve 121, and when the pressure in the battery compartment 12 suddenly rises and neither the active exhaust fan 61 nor the forced exhaust fan 62 can exhaust air in time, the explosion-proof pressure relief valve 121 can be automatically started to perform pressure reduction of the exhaust air.
In addition, as shown in fig. 3, a smoke detection component 132, a temperature detection component 133 and an atomizing nozzle 134 are disposed inside the electrical bin 13, wherein the atomizing nozzle 134 is communicated with the fire extinguishing agent bottle set 311, and the atomizing nozzle 134 can spray the fire extinguishing agent in the fire extinguishing agent bottle set 311 into the electrical bin 13 through the atomizing nozzle 134 according to a detection value of the smoke detection component 132 or a detection value of the temperature detection component 133. Specifically, when the smoke detection component 132 detects that smoke exists in the electrical bin 13 or when the temperature detection component 133 detects that the temperature value of the electrical bin 13 reaches a preset value, the fire extinguishing agent in the fire extinguishing agent bottle group 311 can be sprayed into the electrical bin 13 through the atomizing nozzle 134 according to corresponding information, and at this time, the first exhaust fan 1311 and the second exhaust fan 1312 can be controlled to be opened, so that ventilation of the electrical bin 13 is realized, and fire protection of the electrical bin 13 is realized. It should be noted that the smoke detecting component 132 may be a smoke sensor, and the temperature detecting component 133 may be a temperature sensor.
In addition, as shown in fig. 2, install warning subassembly 7 on the box 1, warning subassembly 7 can be audible-visual annunciator and gassing pilot lamp, when fire-fighting pipeline 32 carries out fire spray or atomizer 134 to electrical storage 13 and atomizes and spray to subrack 211, audible-visual annunciator opens, when subrack 211 carries out the exhaust pressure release, the gassing pilot lamp lights to be convenient for warn personnel, make personnel in time keep away from energy storage system. Since the specific connection relationship and the operation principle of the warning device 7 belong to the prior art, the detailed description thereof is omitted.
In addition, still install scram shift knob 8 and display screen 9 on the box 1, wherein, scram shift knob 8 can start and close fire extinguishing system 3, is convenient for the manual work to carry out emergency operation. The display screen 9 can display the state of the energy storage system in real time, and is convenient for operators to observe and control. Since the specific structures and working principles of the emergency stop switch button 8 and the display screen 9 belong to the prior art, they are not described in detail herein.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. An energy storage system, comprising:
a box body (1);
the battery system (2) is positioned in the box body (1), the battery system (2) comprises a plurality of groups of battery clusters (21) which are arranged at intervals, and each group of battery clusters (21) comprises a plurality of plug-in boxes (211) which are stacked in sequence; and
the fire fighting system (3) is located in the box body (1), the fire fighting system (3) comprises a fire fighting host (31), a fire fighting pipeline (32) and a gas-liquid two-phase flow sprayer (33) which are sequentially communicated, the fire fighting pipeline (32) is communicated with a plurality of gas-liquid two-phase flow sprayers (33), and therefore each plug box (211) is correspondingly provided with one gas-liquid two-phase flow sprayer (33).
2. The energy storage system according to claim 1, wherein a fire extinguishing agent bottle group (311) is arranged inside the fire fighting main machine (31), the fire extinguishing agent bottle group (311) is communicated with the fire fighting pipeline (32), and the fire extinguishing agent bottle group (311) is used for independently containing fire extinguishing liquid and fire extinguishing gas, so that the fire extinguishing liquid and the fire extinguishing gas flowing out of the fire fighting pipeline (32) are compatible in the gas-liquid two-phase flow nozzle (33) to form aerosol and then are sprayed into the corresponding plug box (211).
3. The energy storage system of claim 2, wherein the fire-extinguishing liquid is perfluorohexanone or heptafluoropropane.
4. The energy storage system of claim 2, wherein the fire fighting system (3) further comprises:
and the external water replenishing pipeline (34) is communicated with the fire extinguishing agent bottle group (311) so that fire water in the external water replenishing pipeline (34) is replenished into the fire extinguishing agent bottle group (311).
5. The energy storage system of any of claims 1-4, wherein the fire fighting pipeline (32) comprises:
the fire-fighting primary pipeline (321) is communicated with the fire-fighting host (31);
the battery clusters (21) are correspondingly provided with the fire-fighting secondary pipelines (322), and the input end of each fire-fighting secondary pipeline (322) is communicated with the fire-fighting primary pipeline (321); and
the system comprises a plurality of fire-fighting three-stage pipelines (323), wherein each fire-fighting three-stage pipeline (323) is communicated with one gas-liquid two-phase flow spray head (33), and the input end of each fire-fighting three-stage pipeline (323) is communicated with the corresponding fire-fighting two-stage pipeline (322).
6. Energy storage system according to any of claims 1 to 4, characterized in that the fire fighting system (3) further comprises:
the plug box gas detection assembly (35) is connected to the fire fighting pipeline (32), each group of battery cluster (21) is correspondingly provided with one plug box gas detection assembly (35), each plug box gas detection assembly (35) is sucked through the fire fighting pipeline (32) at regular time and corresponds to each gas in the plug box (211) in the battery cluster (21), whether flammable and explosive gas is contained in the gas or not is detected, and accordingly the gas-liquid two-phase flow sprayer (33) conducts fire spraying on the plug box (211) according to the detection information of the plug box gas detection assembly (35).
7. The energy storage system according to any one of claims 1 to 4, wherein a chemical reaction treatment bottle (312) is arranged inside the fire-fighting host (31); the energy storage system further comprises a pressure relief system (4), the pressure relief system (4) comprising:
each plug-in box (211) is provided with one-way pressure relief valve (41); and
and the pressure relief pipeline (42) is communicated with the chemical reaction treatment bottle (312), and the one-way pressure relief valves (41) are communicated with the pressure relief pipeline (42).
8. The energy storage system of claim 7, wherein the anti-chemical treatment bottle (312) is filled with a reaction agent to convert flammable and explosive gases and harmful liquids discharged from the insert box (211) into harmless gases, harmless liquids and harmless solids.
9. The energy storage system according to claim 8, characterized in that a vent (131) is arranged on the tank body (1) to discharge the harmless gas discharged from the chemical reaction treatment bottle (312) out of the tank body (1).
10. The energy storage system according to any one of claims 1 to 4, wherein a partition plate (11) is arranged inside the box body (1), the partition plate (11) divides the box body (1) into a battery bin (12) and an electrical bin (13), the battery system (2) is located in the battery bin (12), and the fire-fighting host (31) is located in the electrical bin (13).
11. The energy storage system of claim 10, further comprising:
a compartment gas detection assembly (5), the compartment gas detection assembly (5) disposed within the battery compartment (12) configured to detect whether a combustible gas is present within the battery compartment (12); and
and the exhaust assembly (6), the exhaust assembly (6) is used for exhausting the combustible gas out of the box body (1) according to the detection information of the bin gas detection assembly (5).
12. The energy storage system according to claim 10, characterized in that an explosion-proof pressure relief valve (121) is arranged on the battery compartment (12).
13. The energy storage system of claim 10, wherein a smoke detection assembly (132), a temperature detection assembly (133) and an atomizing nozzle (134) are arranged inside the electrical cabin (13), the atomizing nozzle (134) is communicated with the fire-fighting main machine (31), and the atomizing nozzle (134) is used for spraying fire extinguishing agent in the fire-fighting main machine (31) into the electrical cabin (13) through the atomizing nozzle (134) according to a detection value of the smoke detection assembly (132) and/or a detection value of the temperature detection assembly (133).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280310.4A CN115501521A (en) | 2022-10-19 | 2022-10-19 | Energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280310.4A CN115501521A (en) | 2022-10-19 | 2022-10-19 | Energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115501521A true CN115501521A (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211280310.4A Pending CN115501521A (en) | 2022-10-19 | 2022-10-19 | Energy storage system |
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| CN (1) | CN115501521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758692A (en) * | 2023-05-19 | 2023-09-15 | 清安储能技术(重庆)有限公司 | Battery pack fire-fighting early warning method and device and readable storage medium |
-
2022
- 2022-10-19 CN CN202211280310.4A patent/CN115501521A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758692A (en) * | 2023-05-19 | 2023-09-15 | 清安储能技术(重庆)有限公司 | Battery pack fire-fighting early warning method and device and readable storage medium |
| CN116758692B (en) * | 2023-05-19 | 2024-02-23 | 清安储能技术(重庆)有限公司 | Battery pack fire-fighting early warning method and device and readable storage medium |
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