CN111330190A - Energy storage device and fire extinguishing method of energy storage device - Google Patents
Energy storage device and fire extinguishing method of energy storage device Download PDFInfo
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- CN111330190A CN111330190A CN202010264826.4A CN202010264826A CN111330190A CN 111330190 A CN111330190 A CN 111330190A CN 202010264826 A CN202010264826 A CN 202010264826A CN 111330190 A CN111330190 A CN 111330190A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 258
- 230000007246 mechanism Effects 0.000 claims abstract description 145
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 124
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 124
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 230000002159 abnormal effect Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 28
- 239000000779 smoke Substances 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000011550 stock solution Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 206010024796 Logorrhoea Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- 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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- 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)
- Battery Mounting, Suspending (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
An energy storage device and a fire extinguishing method of the energy storage device, the energy storage device comprises: the fire extinguishing system comprises a main cabinet body, a lithium battery unit arranged in the main cabinet body, a shunt mechanism arranged above the lithium battery unit, a first liquid storage mechanism used for storing fire extinguishing liquid, a liquid supply mechanism used for supplying the fire extinguishing liquid to the shunt mechanism, a detection module used for detecting the abnormal temperature condition in the main cabinet body and a main control module used for controlling the liquid supply mechanism; the shunting mechanism is used for dispersedly spraying the fire extinguishing liquid to the surface of the lithium battery unit; the first liquid storage mechanism is also used for recovering fire extinguishing liquid which is poured and sprayed on the lithium battery unit; the liquid supply mechanism supplies the fire extinguishing liquid in the first liquid storage mechanism to the flow dividing mechanism; the main control module starts the liquid supply mechanism according to the feedback of the detection module; therefore, the lithium battery unit can be continuously extinguished or cooled for a long time, until the electric quantity of the lithium battery unit is exhausted, the lithium battery unit stops discharging and heating, and the lithium battery unit is prevented from re-burning after being extinguished.
Description
Technical Field
The invention relates to an electric energy storage device, in particular to an energy storage device and a fire extinguishing method of the energy storage device.
Background
With the development of science and technology, the application of lithium batteries is more and more common. Due to various unforeseen factors, the lithium battery charging causes fire events that also start their volts. The part possesses energy storage equipment of charge-discharge function utilizes the lithium cell as main electric energy storage element, and in order to deal with the unexpected condition that the lithium cell burns on fire, and the inside storage of current energy storage equipment has aerial fog formulation fire extinguishing material, like heptafluoropropane, aerosol etc. and aerial fog formulation fire extinguishing material memory space is limited, and volatilizees easily outside the energy storage equipment.
Because the lithium battery is ignited by energy type discharge ignition, the lithium battery has certain time delay or longer discharge heating time, and after the limited aerosol fire extinguishing material is stored and sprayed, the energy of the lithium battery is not discharged completely, so the discharge heating still exists in the lithium battery, and the lithium battery does not burn by open fire on the surface under the condition that oxygen is isolated by the aerosol fire extinguishing material. However, as the aerosol fire extinguishing material volatilizes, oxygen is slowly recovered, secondary combustion of the lithium battery occurs, and finally a serious fire is caused.
Disclosure of Invention
In view of the above, it is necessary to provide an energy storage device and a fire extinguishing method for the energy storage device, in order to solve the problem that the sustained discharge heat release characteristics of the lithium battery cause re-burning after the fire extinguishing material is completely sprayed.
An energy storage device, comprising: the fire extinguishing system comprises a main cabinet body, a lithium battery unit arranged in the main cabinet body, a shunting mechanism arranged above the lithium battery unit, a first liquid storage mechanism used for storing fire extinguishing liquid, a liquid supply mechanism used for providing the fire extinguishing liquid for the shunting mechanism, a detection module used for detecting the abnormal temperature condition in the main cabinet body and a main control module used for controlling the liquid supply mechanism; the shunting mechanism is used for dispersedly spraying the fire extinguishing liquid to the surface of the lithium battery unit; the first liquid storage mechanism is also used for recovering fire extinguishing liquid which is poured and sprinkled on the lithium battery unit; the liquid supply mechanism supplies the fire extinguishing liquid in the first liquid storage mechanism to the flow dividing mechanism; and the main control module starts the liquid supply mechanism according to the feedback of the detection module.
Above-mentioned energy memory, through when lithium electricity unit produces the temperature anomaly, the main control module starts the operation that supplies liquid mechanism according to the feedback that detects the module, let the fire-extinguishing fluid of storage in the first stock solution mechanism be carried to reposition of redundant personnel mechanism, and spout lithium electricity unit surface through reposition of redundant personnel mechanism, thereby play the effect of putting out a fire to lithium electricity unit, in addition, because the fire-extinguishing fluid that drenches lithium electricity unit is retrieved and is saved by first stock solution mechanism, thereby sustainable or put out a fire or cool down lithium electricity unit in a longer time, until the electric quantity of lithium electricity unit exhausts, stop discharge and generate heat, prevent that lithium electricity unit from being reburning once more after being put out a fire.
In one embodiment, the first liquid storage mechanism comprises a liquid collection box arranged in the main cabinet body, a drainage assembly connected with the liquid collection box, and a first liquid storage tank arranged on the lower side of the liquid collection box; the lithium battery unit is accommodated in the liquid collection box; the drainage assembly is used for guiding fire extinguishing liquid in the liquid collecting box to the first liquid storage tank; the liquid supply mechanism sucks extinguishing liquid from the first liquid storage tank; thereby let the fire extinguishing liquid among the energy memory by cyclic utilization, conveniently realize spraying continuously to lithium cell and exhaust until the electric quantity, avoid lithium cell to reburn once more after putting out a fire.
In one embodiment, the detection module comprises a temperature detection unit arranged near the liquid collecting tank; the temperature detection unit outputs a temperature alarm signal to the main control module under a preset temperature condition; after receiving the temperature alarm signal, the main control module starts the operation of the liquid supply mechanism to enable the liquid supply mechanism to suck the fire extinguishing liquid from the first liquid storage tank; the energy storage device further comprises a charge and discharge module connected with the lithium battery unit; the charging and discharging module is used for inputting charging current to the lithium battery unit or outputting electric energy of the lithium battery unit to the outside; the detection module further comprises a smoke detection unit arranged near the liquid collecting tank; the smoke detection unit outputs a smoke alarm signal to the main control module under a preset smoke condition; after the master control module receives the temperature alarm signal, the charging circuit or the discharging circuit of the lithium battery unit is cut off through the charging and discharging module; therefore, continuous circulating spraying can be automatically started when abnormal high temperature occurs, and the influence on external power supply equipment or external electric equipment caused by the abnormality of the lithium battery unit is effectively reduced.
In one embodiment, the liquid supply mechanism comprises a water pump for pumping the fire extinguishing liquid from the first liquid storage mechanism and a liquid supply pipeline communicated with an output port of the water pump; the shunting mechanism obtains fire extinguishing liquid from the liquid conveying pipeline; thereby can set up the reposition of redundant personnel mechanism in lithium electrical unit's top, conveniently let reposition of redundant personnel mechanism realize great spraying scope.
In one embodiment, the liquid supply mechanism further comprises a second liquid storage tank arranged above the flow dividing mechanism, and a lower liquid pipeline communicated between the second liquid storage tank and the flow dividing mechanism; one end of the liquid conveying pipeline extends into the second liquid storage tank; when the water pump or the power supply of the water pump breaks down or the liquid conveying pipeline is blocked, the fire extinguishing liquid stored in the second liquid storage tank flows to the shunting mechanism under the action of gravity, so that the lithium battery unit with high temperature or combustion is sprayed timely, and the key buffering preparation time is provided for the maintenance and treatment of a user.
In one embodiment, the flow diversion mechanism comprises at least one spray header; a self-breaking temperature detection piece is arranged in the spray head; when high temperature is unusual near lithium electrical unit appearing, from garrulous formula temperature-detecting piece under the inflation of inside material and break and make the spraying opening expose, the fire extinguishing liquid in the second liquid storage tank flows from the spraying opening to under the dispersion of the dish that dabbles of shower head, spray evenly on lithium electrical unit.
In one embodiment, the detection module comprises a first water level detection unit arranged in the second liquid storage tank; the first water level detection unit is used for sending a first water level prompt signal to the main control module when the height of the fire extinguishing liquid in the second liquid storage tank is smaller than a first preset height value; the main control module controls the water pump to start and operate according to the first water level prompt signal; through the degree of depth that detects the fire extinguishing fluid in the second liquid storage tank, when the liquid level was crossed low in the second liquid storage tank, in time started the water pump and annotate the liquid to the second liquid storage tank to can guarantee the emergent ability of second liquid storage tank, improve holistic security level.
In one embodiment, the flow dividing mechanism is connected with the end part of the liquid conveying pipeline; thereby the fire extinguishing liquid output by the water pump can flow out of the flow dividing mechanism.
In one embodiment, the energy storage device is a charging cabinet, a power exchange cabinet or an energy storage cabinet.
A method of extinguishing a fire in an energy storage device, comprising the steps of:
detecting the abnormal temperature condition in the main cabinet body;
delivering the fire extinguishing liquid in the first liquid storage mechanism to the shunting mechanism;
the shunting mechanism sprays the lithium battery units with abnormal temperature;
recovering the fire extinguishing liquid flowing through the lithium battery unit to the first liquid storage mechanism; through when lithium electrical unit produces the temperature anomaly, let the fire extinguishing liquid of storage in the first stock solution mechanism be carried to reposition of redundant personnel mechanism according to detecting the feedback, and spout lithium electrical unit surface through reposition of redundant personnel mechanism, thereby play the effect of putting out a fire to lithium electrical unit, in addition, because the fire extinguishing liquid that drenches lithium electrical unit of watering is retrieved and is saved by first stock solution mechanism, thereby sustainable or put out a fire or lower the temperature to lithium electrical unit in a long time, until the electric quantity of lithium electrical unit exhausts, stop discharging and generate heat, prevent that lithium electrical unit from being reignited once more after being put out a fire.
In one embodiment, the detecting the abnormal temperature condition in the main cabinet comprises: if the temperature anomaly or the smoke is detected in the main cabinet body, a charge-discharge loop of the lithium battery unit is cut off, and a remote maintenance notice is sent to a user; spraying the lithium battery unit with abnormal temperature in the shunting mechanism, wherein the spraying process comprises the following steps; the method comprises the following steps: the shunting mechanism obtains fire extinguishing liquid from a second liquid storage tank positioned above the shunting mechanism.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage device according to a first embodiment of the invention;
fig. 2 is a schematic structural diagram of an energy storage device according to a second embodiment of the invention;
fig. 3 is a schematic flow chart of a fire extinguishing method of the energy storage device according to the invention.
The corresponding relation between each reference number and each meaning in the drawings is as follows:
100a, an energy storage device; 100b, an energy storage device; 20. a lithium battery cell; 30. a flow dividing mechanism; 40. a first liquid storage mechanism; 41. a liquid collection tank; 42. a drainage assembly; 421. a drainer; 422. a liquid return pipeline; 43. a first reservoir; 50. a liquid supply mechanism; 51. a water pump; 52. a liquid delivery pipeline; 53. a second reservoir; 54. a liquid discharge pipeline; 61. a temperature detection unit; 62. a smoke detection unit; 63. a first water level detection unit; 64. a second water level detection unit; 70. a master control module; 80. and a communication module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 and 2, an energy storage device 100a according to an embodiment of the present invention is used for storing and releasing electric energy, and has an internal fire fighting function. The energy storage device 100a comprises a main cabinet body, a lithium battery unit 20 arranged in the main cabinet body, a shunt mechanism 30 arranged above the lithium battery unit 20, a first liquid storage mechanism 40 used for storing fire extinguishing liquid, a liquid supply mechanism 50 used for supplying the fire extinguishing liquid to the shunt mechanism 30, a detection module used for detecting the abnormal temperature condition in the main cabinet body, and a main control module 70 used for controlling the liquid supply mechanism 50; the shunting mechanism 30 is used for dispersedly spraying the fire extinguishing liquid to the surface of the lithium battery unit 20; the first liquid storage mechanism 40 is also used for recovering fire extinguishing liquid which is poured on the lithium battery unit 20; the liquid supply mechanism 50 supplies the fire extinguishing liquid in the first liquid storage mechanism 40 to the flow dividing mechanism 30; the main control module 70 starts the liquid supply mechanism 50 according to the feedback of the detection module.
Through when lithium cell 20 produces the temperature anomaly, main control module 70 starts the operation that supplies liquid mechanism 50 according to the feedback that detects the module, let the fire-extinguishing fluid of storage in the first stock solution mechanism 40 be carried to reposition of redundant personnel mechanism 30, and spout lithium cell 20 surface through reposition of redundant personnel mechanism 30, thereby play the effect of putting out a fire to lithium cell 20, in addition, because the fire-extinguishing fluid of watering lithium cell 20 is retrieved and is saved by first stock solution mechanism 40, thereby sustainable or put out a fire or cool down lithium cell 20 in the longer time, until lithium cell 20's electric quantity exhausts, stop discharge and generate heat, prevent that lithium cell 20 from being after putting out a fire again after the after reburning again.
Specifically, the fire extinguishing liquid is water or other liquid which can be cooled, is flame retardant, is not easy to volatilize and is nontoxic.
In one embodiment, the first liquid storage mechanism 40 comprises a liquid collection tank 41 arranged in the main cabinet body, a drainage assembly 42 connected with the liquid collection tank 41, and a first liquid storage tank 43 arranged at the lower side of the liquid collection tank 41; the lithium battery cell 20 is accommodated in the liquid collection tank 41; the drainage assembly 42 is used for guiding the fire extinguishing liquid in the liquid collecting tank 41 to the first liquid storage tank 43; the liquid supply mechanism 50 sucks the fire extinguishing liquid from the first liquid reservoir 43. Because lithium cell 20 holds in the collection liquid tank 41, in the temperature exception handling process, the fire extinguishing fluid that sprays lithium cell 20 can flow in collection liquid tank 41, in addition, the fire extinguishing fluid in collection liquid tank 41 flows to first liquid storage tank 43 through drainage subassembly 42, supply liquid mechanism 50 after absorbing the fire extinguishing fluid from first liquid storage tank 43, let the fire extinguishing fluid spray lithium cell 20 once more through reposition of redundant personnel mechanism 30, thereby let the fire extinguishing fluid in energy memory 100a by cyclic utilization, conveniently realize continuously spraying until the electric quantity to lithium cell 20 and exhaust, avoid lithium cell 20 to reburn once more after putting out a fire.
Alternatively, the header tank 41 may be an open arrangement with the diversion mechanism 30 on the open side of the header tank 41; the liquid collecting box 41 may also be closed to prevent fire extinguishing liquid from splashing out of the liquid collecting box 41 or evaporating, the flow dividing mechanism 30 is accommodated in the closed liquid collecting box 41, and an air flow inlet and outlet for adjusting air pressure is reserved at the upper part of the liquid collecting box 41.
Specifically, in order to guide the fire extinguishing fluid at the bottom of the liquid collecting tank 41 to the first liquid storage tank 43, a liquid outlet is arranged at the bottom of the liquid collecting tank 41, and the guide assembly 42 comprises a drainer 421 connected with the liquid collecting tank 41 and a liquid return pipeline 422 communicated with the drainer 421; the drainer 421 is disposed near the drain port, and the liquid return pipe 422 extends to above the opening of the first reservoir 43 or extends into the first reservoir 43. Further, in order to reduce the accumulated water at the bottom of the liquid collecting tank 41 and make the fire extinguishing liquid at the bottom of the liquid collecting tank 41 fully flow into the drainer 421, the bottom surface of the liquid collecting tank 41 is deformed to be concave with the drain opening as the lowest point, so that the fire extinguishing liquid at the bottom of the liquid collecting tank 41 is fully drained to the drain opening.
Further, in order to prevent the lithium battery unit 20 from being effectively sprayed with sufficient fire extinguishing liquid after a large amount of fire extinguishing liquid evaporates out of the main cabinet body, and the fire extinguishing effect is affected, the first liquid storage mechanism 40 further comprises a liquid injection pipe extending into the first liquid storage tank 43, and the liquid injection pipe is communicated to external liquid supply equipment so as to supplement the evaporated fire extinguishing liquid to the first liquid storage tank 43 in time; in the present embodiment, the liquid pouring pipe pours tap water into the first reservoir 43.
In the present embodiment, in order to ensure the weight balance of the main cabinet to ensure the liquid storage amount, the first liquid storage tank 43 is provided below the liquid collection tank 41; in other embodiments, in order to save space, the first liquid storage tank 43 may be omitted, and the liquid supply mechanism 50 may directly suck the fire extinguishing liquid sprayed through the lithium electric unit 20 from the bottom of the liquid collection tank 41.
In one embodiment, the detection module comprises a temperature detection unit 61 disposed near the header tank 41; the temperature detection unit 61 outputs a temperature alarm signal to the main control module 70 under a preset temperature condition; after receiving the temperature alarm signal, the main control module 70 starts the operation of the liquid supply mechanism 50, so that the liquid supply mechanism 50 sucks the fire extinguishing liquid from the first liquid storage tank 43;
the energy storage device 100a further includes a charge and discharge module connected to the lithium battery unit 20; the charge and discharge module is used for inputting a charge current to the lithium battery unit 20 or outputting electric energy of the lithium battery unit 20 to the outside; the detection module further comprises a smoke detection unit 62 arranged near the header tank 41; the smoke detection unit 62 outputs a smoke alarm signal to the main control module 70 under a predetermined smoke condition; the main control module 70 cuts off the charging loop or the discharging loop of the lithium battery unit 20 through the charging and discharging module after receiving the temperature alarm signal.
Through the temperature detection function of the temperature detection unit 61, the continuous circulating spraying can be automatically started under the control of the main control module 70 when abnormal high temperature occurs until the manual stop or the spraying reaches the preset time.
Compared with high temperature, the smoke generated when the lithium battery unit 20 just starts to burn can reflect the abnormal condition of the lithium battery unit 20 earlier, the charging loop or the discharging loop is cut off in time when the smoke detection unit 62 detects the smoke condition, the influence of the abnormal condition of the lithium battery unit 20 on external power supply equipment or external power utilization equipment can be effectively reduced, and the further spread of the burning of the lithium battery unit 20 is avoided.
Specifically, when the temperature of the lithium battery cell 20 is greater than 68 ℃, that is, a predetermined temperature condition is reached; alternatively, the temperature detection unit 61 may be disposed inside or outside the header tank 41, when the temperature detection unit 61 is disposed outside the header tank 41, the detection accuracy of the temperature detection unit 61 may be prevented from being affected by the spraying of the fire extinguishing liquid, and when the temperature detection unit 61 is disposed inside the header tank 41, the effect of the wall of the header tank 41 on the temperature transmission may be reduced; further, can also be with temperature detecting element 61 setting in the inboard of collection liquid tank 41, with temperature detecting element 61 holding in waterproof cap or holding in lithium electric unit 20's cap simultaneously to can guarantee the accuracy of temperature detection, also can avoid receiving the influence that the fire extinguishing liquid sprayed. Specifically, the temperature detection unit 61 may perform temperature detection using an infrared, thermocouple, or the like.
Specifically, the smoke detecting unit 62 is provided in the header tank 41 when the header tank 41 is in the closed arrangement, and the smoke detecting unit 62 may be provided above the opening of the header tank 41 when the header tank 41 is in the open arrangement.
Further, in order to improve the processing capability of the main control module 70, the main control module 70 has various types of data interfaces, such as a DI input interface, a DO output interface, an RS232, an RS485, a CAN, an HDMI, or a USB interface, so as to interface with different electrical devices; further, in order to timely notify a user of maintaining the energy storage device 100a when an abnormality occurs, the energy storage device 70 further includes a controller for sending a notification signal to the outside for the main control module 70, the communication module 80 may be a wireless routing module or a LAN interface network module, when a high temperature or smoke occurs, the main control module 70 firstly cuts off a charge and discharge loop, and if the high temperature is abnormal, the main control module 70 further starts a liquid supply mechanism to spray the lithium battery unit 20; meanwhile, the main control module 70 remotely notifies the user to perform maintenance processing in time through the communication module 80, and specifically, the wireless routing module may be a 5G router, a 4G router, a 3G router, a 2G router, or other wireless communication products.
In one embodiment, the liquid supply mechanism 50 comprises a water pump 51 for pumping the fire extinguishing liquid from the first liquid storage mechanism 40, and a liquid supply pipeline 52 communicated with an output port of the water pump 51; the diversion mechanism 30 takes fire extinguishing fluid from the fluid delivery conduit 52.
Thereby can make the fire extinguishing liquid overcome gravity and the lifting through the suction of water pump 51, therefore can set up reposition of redundant personnel mechanism 30 in the top of lithium electrical unit 20, conveniently let reposition of redundant personnel mechanism 30 realize great spraying scope.
Specifically, a liquid suction port of the water pump 51 sucks the fire extinguishing liquid from the first reservoir 43.
In one embodiment, the liquid supply mechanism 50 further comprises a second liquid storage tank 53 disposed above the flow dividing mechanism 30, and a lower liquid pipe 54 communicating between the second liquid storage tank 53 and the flow dividing mechanism 30; one end of the liquid feeding pipe 52 extends into the second reservoir 53.
The water pump 51 or its power supply that provides the fire extinguishing fluid for reposition of redundant personnel mechanism 30 may break down in the critical situation, lead to just can't utilize the fire extinguishing fluid to spray lithium electrical unit 20 when high temperature is unusual beginning to appear, cause the condition of a fire to stretch fast, after adding the second liquid storage tank 53 that is in reposition of redundant personnel mechanism 30 top, when water pump 51 or its power supply trouble, or when the liquid delivery pipeline 52 blocks up again, the fire extinguishing fluid of the deposit in the second liquid storage tank 53 flows to reposition of redundant personnel mechanism 30 under the effect of gravity, lithium electrical unit 20 that appears high temperature or burning has provided timely spraying, the maintenance for the user provides crucial buffering preparation time.
Specifically, a liquid outlet is provided at the bottom side of the second liquid reservoir 53, the upper end of the lower liquid conduit 54 is communicated to the liquid outlet, and the lower end of the lower liquid conduit is communicated to the flow dividing mechanism 30.
In one embodiment, the diversion mechanism 30 includes at least one showerhead; a self-breaking temperature detection piece is arranged in the spray header. When the state of the lithium battery unit 20 is normal, the self-breaking temperature detection piece blocks the spraying opening of the spraying head, so that the fire extinguishing liquid in the second liquid storage tank 53 is prevented from leaking; when the lithium cell 20 is near the appearance high temperature unusual, from garrulous formula temperature-detecting piece under the inflation of inside material and break and make the spraying opening expose, the fire-extinguishing liquid in the second liquid storage tank 53 flows from the spraying opening to under the dispersion of the dish that splashes water of shower head, spray evenly on the lithium cell 20. Further, since the diversion mechanism 30 mechanically starts spraying the lithium battery cell 20, it is possible to prevent the fire extinguishing fluid from being unable to be sprayed due to an electrical failure.
Optionally, the self-fragmenting temperature detector fragments in the range of 68 ℃ to 98 ℃. Specifically, the number of the shower heads may be single, and in other embodiments, the number correspondence between the shower heads and the lithium battery cells 20 may be adjusted according to the number, the density, or the volume of the lithium battery cells 20. In particular, the shower head may also be replaced by other components having a jet diverging action.
In one embodiment, the detection module includes a first water level detection unit 63 disposed in the second reservoir 53; the first water level detection unit 63 is configured to send a first water level prompt signal to the main control module 70 when the height of the fire extinguishing liquid level in the second liquid storage tank 53 is smaller than a first predetermined height value; the main control module 70 controls the water pump 51 to start according to the first water level prompt signal. Because the fire extinguishing liquid in the second liquid storage tank 53 needs to be used for emergency treatment, if the fire extinguishing liquid deposit in the second liquid storage tank 53 is insufficient, then can make the second liquid storage tank 53 can't play the effect of putting out a fire at the key moment, through the degree of depth that detects the liquid of putting out a fire in the second liquid storage tank 53, when the liquid level was low excessively in the second liquid storage tank 53, in time start-up water pump 51 annotates liquid to the second liquid storage tank 53 to can guarantee the emergency capacity of second liquid storage tank 53, improve holistic security level.
Specifically, the first water level detecting unit 63 may generate a first water level prompt signal by triggering a corresponding switch through a lever when the floating body falls to a first predetermined height value, or may monitor the liquid level height through an infrared device. Further, in order to timely supplement the fire extinguishing fluid to the first liquid storage tank by using the liquid injection pipe after the fire extinguishing fluid in the first liquid storage tank 43 is excessively evaporated, the detection module further comprises a second water level detection unit 64 arranged in the first liquid storage tank 43; the second water level detection unit 64 is used for sending a second water level prompt signal to the main control module 70 when the height of the fire extinguishing liquid level in the first liquid storage tank 43 is smaller than a second preset height value; the main control module 70 controls the valve of the liquid injection pipe to open according to the second water level prompt signal.
Referring to fig. 2, in the energy storage device 100b of the second embodiment, the flow dividing mechanism 30 is connected to an end of the liquid feeding pipe 52. So that the fire extinguishing fluid output from the water pump 51 can be discharged from the flow dividing mechanism 30.
Specifically, the energy storage device 100a may be a charging cabinet, a power exchange cabinet, or an energy storage cabinet.
Referring to fig. 3, the present invention further provides a fire extinguishing method for an energy storage device, including the following steps:
s10: detecting the abnormal temperature condition in the main cabinet body;
s20: delivering the fire extinguishing fluid in the first fluid storage mechanism 40 to the flow dividing mechanism 30;
s30: the shunting mechanism 30 sprays the lithium battery unit 20 with abnormal temperature;
s40: the fire extinguishing fluid flowing through the lithium electric unit 20 is recovered to the first reservoir mechanism 40.
Through when lithium cell 20 produces the temperature anomaly, let the fire extinguishing fluid of storage in the first stock solution mechanism 40 be carried to reposition of redundant personnel mechanism 30 according to the detection feedback, and spout lithium cell 20 surface through reposition of redundant personnel mechanism 30, thereby play the effect of putting out a fire to lithium cell 20, in addition, because pour the fire extinguishing fluid that drenches lithium cell 20 and retrieve and store by first stock solution mechanism 40, thereby it is sustainable or put out a fire or cool down lithium cell 20 in the longer time, until lithium cell 20's electric quantity exhausts, stop discharge and generate heat, prevent that lithium cell 20 from being reburning once more after being put out a fire.
In one embodiment, the step S10 of detecting the abnormal temperature condition in the main cabinet includes: if the temperature abnormality or the smoke is detected in the main cabinet, the charge and discharge circuit of the lithium battery unit 20 is cut off, and a remote maintenance notification is sent to the user.
In step S30, the diversion mechanism 30 performs the shower of the lithium battery cell 20 having the temperature abnormality, and includes: the flow dividing mechanism 30 takes fire extinguishing liquid from a second reservoir 53 located above the flow dividing mechanism 30.
In this embodiment, through when lithium cell 20 produces the temperature anomaly, main control module 70 starts the operation that supplies liquid mechanism 50 according to the feedback that detects the module, let the fire-extinguishing fluid of storage in the first stock solution mechanism 40 be carried to reposition of redundant personnel mechanism 30, and spout lithium cell 20 surface through reposition of redundant personnel mechanism 30, thereby play the effect of putting out a fire to lithium cell 20, in addition, because the fire-extinguishing fluid of watering lithium cell 20 is retrieved and is stored by first stock solution mechanism 40, thereby sustainable or put out a fire or cool down lithium cell 20 in the longer time, until lithium cell 20's electric quantity exhausts, stop discharge and generate heat, prevent that lithium cell 20 from being after being put out a fire again after the afterburning.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An energy storage device, comprising: the fire extinguishing system comprises a main cabinet body, a lithium battery unit arranged in the main cabinet body, a shunting mechanism arranged above the lithium battery unit, a first liquid storage mechanism used for storing fire extinguishing liquid, a liquid supply mechanism used for providing the fire extinguishing liquid for the shunting mechanism, a detection module used for detecting the abnormal temperature condition in the main cabinet body and a main control module used for controlling the liquid supply mechanism; the shunting mechanism is used for dispersedly spraying the fire extinguishing liquid to the surface of the lithium battery unit; the first liquid storage mechanism is also used for recovering fire extinguishing liquid which is poured and sprinkled on the lithium battery unit; the liquid supply mechanism supplies the fire extinguishing liquid in the first liquid storage mechanism to the flow dividing mechanism; and the main control module starts the liquid supply mechanism according to the feedback of the detection module.
2. The energy storage device according to claim 1, wherein the first liquid storage mechanism comprises a liquid collection tank arranged in the main cabinet body, a drainage assembly connected with the liquid collection tank, and a first liquid storage tank arranged on the lower side of the liquid collection tank; the lithium battery unit is accommodated in the liquid collection box; the drainage assembly is used for guiding fire extinguishing liquid in the liquid collecting box to the first liquid storage tank; the liquid supply mechanism sucks fire extinguishing liquid from the first liquid storage tank.
3. The energy storage device of claim 2, further comprising at least one of:
the detection module comprises a temperature detection unit arranged near the liquid collecting tank; the temperature detection unit is used for outputting a temperature alarm signal to the main control module under a preset temperature condition; the main control module is used for starting the operation of the liquid supply mechanism after receiving the temperature alarm signal;
the energy storage device further comprises a charge and discharge module connected with the lithium battery unit; the charging and discharging module is used for inputting charging current to the lithium battery unit or outputting electric energy of the lithium battery unit to the outside; the detection module further comprises a smoke detection unit arranged near the liquid collecting tank; the smoke detection unit is used for outputting a smoke alarm signal to the main control module under a preset smoke condition; the main control module cuts off a charging loop or a discharging loop of the lithium battery unit through the charging and discharging module.
4. The energy storage device according to claim 1, wherein the liquid supply mechanism comprises a water pump for pumping the fire extinguishing liquid from the first liquid storage mechanism, and a liquid supply pipeline communicated with an output port of the water pump; the shunting mechanism obtains fire extinguishing liquid from the liquid conveying pipeline.
5. The energy storage device as defined in claim 4, wherein the liquid supply mechanism further comprises a second liquid storage tank arranged above the flow dividing mechanism, and a lower liquid pipeline communicated between the second liquid storage tank and the flow dividing mechanism; one end of the liquid conveying pipeline extends into the second liquid storage tank.
6. The energy storage device of claim 5, wherein said flow diversion mechanism comprises at least one shower head; and a self-breaking temperature detection piece is arranged in the spray header.
7. The energy storage device according to claim 5, wherein the detection module comprises a first water level detection unit disposed in the second reservoir; the first water level detection unit is used for sending a first water level prompt signal to the main control module when the height of the fire extinguishing liquid in the second liquid storage tank is smaller than a first preset height value; and the main control module controls the water pump to start and operate according to the first water level prompt signal.
8. The energy storage device of claim 4, wherein said flow diversion mechanism is connected to an end of said fluid delivery conduit.
9. The energy storage device according to any one of claims 1 to 8, wherein the energy storage device is a charging cabinet, a power exchange cabinet, or an energy storage cabinet.
10. A method of extinguishing a fire in an energy storage device, comprising the steps of:
detecting the abnormal temperature condition in the main cabinet body;
delivering the fire extinguishing liquid in the first liquid storage mechanism to the shunting mechanism;
the shunting mechanism sprays the lithium battery units with abnormal temperature;
and recovering the fire extinguishing liquid flowing through the lithium battery unit to the first liquid storage mechanism.
11. The method of suppressing a fire in an energy storage device according to claim 10,
in the detecting of the abnormal temperature condition in the main cabinet body, the method comprises the following steps: if the temperature anomaly or the smoke is detected in the main cabinet body, a charge-discharge loop of the lithium battery unit is cut off, and a remote maintenance notice is sent to a user;
spraying the lithium battery unit with abnormal temperature in the shunting mechanism, wherein the spraying process comprises the following steps; the method comprises the following steps: the shunting mechanism obtains fire extinguishing liquid from a second liquid storage tank positioned above the shunting mechanism.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023304A (en) * | 2020-11-09 | 2020-12-04 | 国网江苏省电力有限公司经济技术研究院 | Energy storage power station fire-fighting system and control method thereof |
| EP4385581A1 (en) * | 2022-12-17 | 2024-06-19 | Kidde Technologies Inc. | Battery fire suppression system |
| EP4385583A1 (en) * | 2022-12-17 | 2024-06-19 | Kidde Technologies, Inc. | Emergency fire suppression system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384036A (en) * | 2014-10-24 | 2015-03-04 | 天能电池(芜湖)有限公司 | Plate grid humidifying box |
| CN206820260U (en) * | 2017-05-17 | 2017-12-29 | 中科天工电气控股有限公司 | A kind of power distribution cabinet with automatic fire-extinguishing function |
| CN108853848A (en) * | 2018-08-24 | 2018-11-23 | 东莞骑士换电电子科技有限公司 | A kind of fire water circulation utilization method, system and the device of rechargeable battery cabinet |
| CN109173118A (en) * | 2018-11-12 | 2019-01-11 | 东莞骑士换电电子科技有限公司 | A kind of charging cabinet fire plant |
| CN109331367A (en) * | 2018-11-09 | 2019-02-15 | 东莞骑士换电电子科技有限公司 | A kind of charging cabinet fire-fighting system and charging cabinet |
| CN109432634A (en) * | 2018-10-08 | 2019-03-08 | 中国科学技术大学 | A kind of fire-fighting method of container-type lithium ion battery energy storage system |
| CN110279963A (en) * | 2019-06-27 | 2019-09-27 | 西安奇点能源技术有限公司 | A kind of lithium battery energy storage battery system cabinet automatic fire extinguisher and system |
| CN212466891U (en) * | 2020-04-07 | 2021-02-05 | 易事特集团股份有限公司 | Energy storage device |
-
2020
- 2020-04-07 CN CN202010264826.4A patent/CN111330190A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384036A (en) * | 2014-10-24 | 2015-03-04 | 天能电池(芜湖)有限公司 | Plate grid humidifying box |
| CN206820260U (en) * | 2017-05-17 | 2017-12-29 | 中科天工电气控股有限公司 | A kind of power distribution cabinet with automatic fire-extinguishing function |
| CN108853848A (en) * | 2018-08-24 | 2018-11-23 | 东莞骑士换电电子科技有限公司 | A kind of fire water circulation utilization method, system and the device of rechargeable battery cabinet |
| CN109432634A (en) * | 2018-10-08 | 2019-03-08 | 中国科学技术大学 | A kind of fire-fighting method of container-type lithium ion battery energy storage system |
| CN109331367A (en) * | 2018-11-09 | 2019-02-15 | 东莞骑士换电电子科技有限公司 | A kind of charging cabinet fire-fighting system and charging cabinet |
| CN109173118A (en) * | 2018-11-12 | 2019-01-11 | 东莞骑士换电电子科技有限公司 | A kind of charging cabinet fire plant |
| CN110279963A (en) * | 2019-06-27 | 2019-09-27 | 西安奇点能源技术有限公司 | A kind of lithium battery energy storage battery system cabinet automatic fire extinguisher and system |
| CN212466891U (en) * | 2020-04-07 | 2021-02-05 | 易事特集团股份有限公司 | Energy storage device |
Non-Patent Citations (1)
| Title |
|---|
| 李悦等: "水灭火系统详解", 30 April 2014, 中国建筑工业出版社, pages: 44 - 45 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023304A (en) * | 2020-11-09 | 2020-12-04 | 国网江苏省电力有限公司经济技术研究院 | Energy storage power station fire-fighting system and control method thereof |
| EP4385581A1 (en) * | 2022-12-17 | 2024-06-19 | Kidde Technologies Inc. | Battery fire suppression system |
| EP4385583A1 (en) * | 2022-12-17 | 2024-06-19 | Kidde Technologies, Inc. | Emergency fire suppression system |
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