CN116613438A - Battery pack - Google Patents

Battery pack Download PDF

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Publication number
CN116613438A
CN116613438A CN202310565829.5A CN202310565829A CN116613438A CN 116613438 A CN116613438 A CN 116613438A CN 202310565829 A CN202310565829 A CN 202310565829A CN 116613438 A CN116613438 A CN 116613438A
Authority
CN
China
Prior art keywords
side plate
support
fire
fuse
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310565829.5A
Other languages
Chinese (zh)
Inventor
杨强
李德胜
冯守旺
李明尧
梅若愚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qing'an Energy Storage Technology Chongqing Co ltd
Original Assignee
Qing'an Energy Storage Technology Chongqing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qing'an Energy Storage Technology Chongqing Co ltd filed Critical Qing'an Energy Storage Technology Chongqing Co ltd
Priority to CN202310565829.5A priority Critical patent/CN116613438A/en
Publication of CN116613438A publication Critical patent/CN116613438A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H01M50/242—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 against vibrations, collision impact or swelling
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/47—Means for cooling
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
    • 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
    • H01M50/256—Carrying devices, e.g. belts
    • 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
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • 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
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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 application relates to the technical field of electrochemical energy storage and discloses a battery pack, which comprises a battery box and a battery core mounting structure positioned in the battery box, wherein the battery box comprises an upper cover, an annular side plate connected with the upper cover and a bottom plate connected with the end face of the annular side plate, the battery core mounting structure comprises a plurality of battery core groups, end plates positioned at two ends of the battery core groups, a fire-fighting support and a fuse support connected with the end plates, the battery core groups are connected with the bottom plate, the end plates comprise fixing pieces and an output electrode support connected with the fixing pieces, the battery core groups comprise a plurality of output electrode connecting pieces which are connected with the output electrode support and positioned at the same side, and the fire-fighting support, the fuse support and the output electrode connecting pieces are positioned at the same side. The application solves the problem of increasing the installation workload caused by unreasonable layout in the prior art, and is suitable for improving the installation efficiency of the battery pack.

Description

Battery pack
Technical Field
The application relates to the technical field of electrochemical energy storage, in particular to a battery pack.
Background
The energy storage battery mainly refers to a battery pack for storing energy, and the battery pack comprises a battery box, a battery core mounting structure, a fuse, a fire-fighting device, an acquisition module, an electronic device, an explosion-proof pressure release valve and a gas-liquid two-phase spray head, wherein the battery core mounting structure is positioned in the battery box, the fuse and the fire-fighting device are positioned in the battery box, the electronic device and the explosion-proof pressure release valve are positioned on the battery box and are connected with the acquisition module through a wire harness.
But in the actual installation, fuse, fire control unit and collection module scatter-mount in the battery package, distribute around electric core mounting structure, need multi-angle adjustment installation fuse, fire control unit and collection module during the installation, have the problem that increases installation work load.
Disclosure of Invention
In order to overcome the defects of the prior art, the application aims to provide a battery pack, which can reasonably arrange all components in the battery pack and reduce the installation workload.
The technical scheme adopted by the application is as follows:
the utility model provides a battery package, includes battery box and is located electric core mounting structure in the battery box, its characterized in that: the battery box comprises an upper cover, an annular side plate connected with the upper cover and a bottom plate connected with the end face of the annular side plate, wherein the battery core mounting structure comprises a plurality of battery core groups, end plates located at two ends of the battery core groups, a fire-fighting support connected with the end plates and a fuse support, the battery core groups are connected with the bottom plate, the end plates comprise fixing pieces and output electrode supports connected with the fixing pieces, the battery core groups comprise a plurality of output electrode connecting pieces connected with the output electrode supports and located on the same side, and the fire-fighting support, the fuse support and the output electrode connecting pieces are all located on the same side.
Compared with the prior art, the application has the beneficial effects that:
according to the application, the output pole connecting pieces, the fire protection bracket and the fuse bracket are arranged on the same side, so that other parts except the battery cell group are arranged on the same side, the inside of the battery pack is reasonably distributed, the installation workload is reduced, no other parts are arranged between the surface of the battery cell group opposite to the annular side plate and the annular side plate, the connection of all parts in the battery pack is compact, clear and distinct, the problem of wire safety is reduced, and the whole size of the battery box is optimized.
As a preferred embodiment of the present application, the ring-shaped side plate includes a first side plate, a second side plate opposite to the first side plate, a third side plate connected to the first side plate and the second side plate, and a fourth side plate opposite to the third side plate, the bottom plate is connected with a first cross beam adjacent to the third side plate and connected to the fixing member, and a second cross beam adjacent to the fourth side plate and connected to the fixing member, the fire fighting bracket and the fuse bracket are located between the third side plate and the first cross beam, the fire fighting bracket is adjacent to the second side plate, and the fuse bracket is adjacent to the fire fighting bracket.
The beneficial effect of this scheme: the mounting is connected with first crossbeam and second crossbeam respectively, can strengthen the stability that electric core group and battery box are connected, and fire control support and fuse support are placed in proper order between third curb plate and first crossbeam, space in the battery package can make full use of, rational in infrastructure, can leave more spaces between third curb plate and the first crossbeam and place other parts.
As a preferred embodiment of the application, the fuse support comprises a support frame and a cover connected with the support frame, the support frame is provided with a plurality of grooves, the side walls of the grooves are provided with first U-shaped grooves, the battery cell group is connected with a fuse serial-connection sheet, the fuse serial-connection sheet is connected with a fuse positioned on the fuse support, the fuse serial-connection sheet and the fuse are both placed on the side walls of the first U-shaped grooves, and the fuse serial-connection sheet and the fuse are both connected with the fuse support.
The beneficial effect of this scheme: the fuse can be convenient for dispel the heat at the during operation in a plurality of recesses, and first U type groove lateral wall can play the supporting role to the fuse, and first U type groove and recess combined action simultaneously can reduce the area of contact with the fuse, and then strengthen the radiating effect of fuse, reduce the use of plastic material, ensure sufficient insulated electrical equipment clearance.
As a preferred embodiment of the application, the third side plate is connected with an explosion-proof pressure release valve and a gas-liquid two-phase spray head which are detachably arranged on the third side plate and are close to the second side plate, the gas-liquid two-phase spray head is positioned right above the explosion-proof pressure release valve, the fire-fighting support is connected with a smoke sensor and an aerosol fire extinguisher which are detachably arranged on the fire-fighting support, the aerosol fire extinguisher is close to the smoke sensor, and the smoke sensor and the explosion-proof pressure release valve are close to each other and are opposite to each other.
The beneficial effect of this scheme: the explosion-proof pressure release valve and the gas-liquid two-phase spray head are both positioned on the third side plate, so that the explosion-proof pressure release valve, the gas-liquid two-phase spray head and the fire-fighting bracket are positioned on the same side, and the reasonable layout of the battery pack can be improved; the explosion-proof pressure release valve is arranged on the third side plate, when the battery pack is in a normal working state, gas in the battery pack box body flows to the outside through the explosion-proof pressure release valve, and the smoke sensor is close to the explosion-proof pressure release valve and faces the explosion-proof pressure release valve, so that the smoke sensor is just positioned on a flow path of the gas in the battery pack box body flowing to the explosion-proof pressure release valve, and the gas has certain fluidity, so that compared with other positions in the battery pack box body, the real-time detection of the smoke sensor can be ensured to be more reliable and stable, and the current gas concentration and the component conditions in the battery pack box body can be reflected integrally; when the abnormality occurs in the battery pack box body, the gas is rapidly increased, so that a large amount of gas is leaked through the explosion-proof pressure release valve, in the process, the smoke sensor is close to the explosion-proof pressure release valve and is designed to be opposite to the explosion-proof pressure release valve, so that the increase of the gas concentration and the change of the gas composition can be timely detected, countermeasures are timely taken to avoid the aggravation of abnormal conditions, and the design has the effect of timely and efficient detection.
As a preferred embodiment of the present application, the fixing member is connected to an adjacent fixing member through a first bracket.
The beneficial effect of this scheme: the first support can be connected with the fixing piece and the adjacent fixing piece, so that the relative sliding does not occur when the battery module is fixed with the adjacent battery module in position in the transportation process, and the transportation safety is ensured.
As a preferred embodiment of the application, one end of the fixing piece, which is close to the first side plate and the second side plate, is provided with a second bracket connected with the first bracket, the first bracket is connected with the second bracket through a connecting rod, the surface, which is parallel to the outer side surface of the fixing piece, of the connecting rod is provided with a plurality of clamping columns used for connecting a fire-fighting bracket, the fire-fighting bracket is connected with a smoke sensor and an aerosol fire extinguisher, and the upper part of the fire-fighting bracket is provided with a strip-shaped hole which is clamped on the clamping columns.
The beneficial effect of this scheme: the first support, second support and connecting rod combined action can be convenient for set up the card post, through the design of card post cooperation joint that sets up on bar hole and the connecting rod, during the equipment, directly will install the fire control support card of smoke transducer and aerosol fire extinguisher and go into the card post and can realize the fast-assembling to the design in bar hole, after the card goes into the spliced pole, the position of fire control support can carry out self-adaptation as required and adjust.
As a preferred embodiment of the application, the fixing piece is provided with through grooves penetrating through the upper end face and the lower end face of the fixing piece, the outer side face of the fixing piece is symmetrically provided with mounting holes communicated with the through grooves, the fire-fighting bracket is connected with the smoke sensor and the aerosol fire extinguisher, and the positions of the mounting holes can be opposite to the positions of the hollowed-out parts.
The beneficial effect of this scheme: 1. in the scheme, the fire-fighting bracket is positioned at the smoke sensor and the aerosol fire extinguisher and is provided with the mounting holes corresponding to the hollowed-out parts, so that the weight of the whole fire-fighting bracket and the mounting part is reduced, and the fire-fighting bracket is more convenient to transport, mount and dismount; 2. on the other hand, when the inside of the battery box is in a normal state, the transverse position of the whole fire-fighting support is not right opposite to the mounting hole or the position of the fire-fighting support is just opposite to the mounting hole, so that the normal detection of the smoke sensor is not affected, the dust prevention and water prevention effects are not affected due to excessive exposure of the inside of the battery core, when the inside of the battery core is abnormal, if thermal runaway occurs, the internal gas is rapidly increased, a large amount of gas flows to the mounting hole at the fixing part through the inside of the battery core, and then flows to the hollow of the fire-fighting support through the mounting hole, and when the fire-fighting support is matched with the clamping column of the connecting rod through the strip-shaped hole, the floating type connection mode with adjustable transverse position is adopted, so that a large amount of rapidly increased gas can force the whole fire-fighting support to generate trace transverse movement, thereby enabling the right area of the hollow of the fire-fighting support and the mounting hole of the fixing part to be larger, enabling direct gas flow channels to be formed between the inside of each battery core and the smoke sensor and the explosion-proof pressure release valve, compared with other gas flow channels, the gas flow paths can be greatly shortened, the gas flow paths can be rapidly and rapidly through the inside of the battery core to the mounting hole to the fixing part and the mounting hole, and the explosion-proof pressure release valve, and the fire-fighting pressure sensor can also be more effectively detected, and the fire-fighting pressure release valve.
In a preferred embodiment of the present application, the upper end surface of the fixing member is provided with a second U-shaped groove communicated with the through groove, the through groove is provided with a plurality of connecting portions connecting two opposite inner side walls of the through groove, and the output pole support is symmetrically provided with supporting portions protruding along the width direction of the output pole support and capable of being attached to the connecting portions and the second U-shaped groove at the same time.
In the scheme, before the elastic piece is clamped into the clamping groove, the elastic piece is pressed firstly, so that the elastic piece moves towards a central shaft close to the width direction of the output pole bracket, after the supporting part is attached to the connecting part and the second U-shaped groove, the elastic piece moves to the clamping groove along the length direction of the through groove in the through groove, the elastic piece is released, part of the elastic piece is clamped into the clamping groove, and part of the elastic piece is positioned between the output pole bracket and the second U-shaped groove; the elastic sheet is taken out from the clamping groove, and the part, between the output pole support and the second U-shaped groove, of the elastic sheet is pressed firstly, so that the elastic sheet moves towards the central shaft close to the width direction of the output pole support, the part, in the clamping groove, of the elastic sheet is clamped into the clamping groove, is withdrawn from the clamping groove, and then the output pole support is directly taken upwards, so that the output pole support and the fixing piece are detached.
The beneficial effect of this scheme: the connecting portion can strengthen the supporting strength of mounting, and connecting portion and second U type groove combined action can provide the support for the supporting part, and the second U type groove can also provide the direction for the supporting part when output pole support and mounting are connected, and the supporting part can make output pole support and second U type groove have the interval, can be convenient for operate the shell fragment, and then can make the shell fragment card go into the draw-in groove fast.
As a preferred embodiment of the application, the first side plate and the second side plate both comprise a fixing part and a reinforcing part which are connected with the third side plate and the fourth side plate, the fixing part is parallel to the reinforcing part and has a gap, and the outer side surface of the reinforcing part is provided with a plurality of lifting holes through which inverted T-shaped lifting hooks can pass.
The beneficial effect of this scheme: the battery box is characterized in that a gap is reserved between the fixing part and the reinforcing part, so that the bearing performance of the battery box can be improved, the heat insulation effect of the battery box can be improved, the influence of external temperature on the inside of the battery box is delayed, noise caused by operation of devices in the battery box can be isolated, the explosion-proof capacity of the battery box can be enhanced when abnormal conditions occur in the battery box, the battery box can be conveniently grabbed through the lifting hole, the fixing part and the reinforcing part are provided with gaps, the lifting hook can penetrate through the lifting hole and is positioned between the fixing part and the reinforcing part, the battery box can be conveniently and stably grabbed through the lifting hook, the battery box can be easily grabbed when a closed space is ensured, the lifting hole is of an inverted-T shape, a contact point can be provided for the lifting hook when the battery box is grabbed, and the lifting hook is fixed in the lifting hole and can be stably grabbed.
In a preferred embodiment of the present application, an insulating sheet is connected to a surface of the fixing portion, which surface is close to the battery cell group, and an insulating sheet is connected to a surface of the fourth side plate, which surface is close to the end plate.
The beneficial effect of this scheme: the terminal surface that the electric core is close to the fourth curb plate is connected with the series connection piece, and the insulating piece can effectively prevent the electric core group short circuit that electric core group and first curb plate and second curb plate contact lead to in installation and transportation, and the electric core group short circuit that the series connection piece and fourth curb plate contact lead to.
Drawings
Fig. 1 is a schematic view of the structure of a battery pack of the present application;
FIG. 2 is a schematic view showing the structure of the battery pack according to the present application;
FIG. 3 is a schematic view of the structure of the application at position A;
fig. 4 is a schematic view showing a partial structure of a battery pack according to the present application;
FIG. 5 is a schematic view of the structure of the fuse holder of the present application;
FIG. 6 is a schematic structural view of embodiment 2 of the present application;
FIG. 7 is a schematic view showing the structure of embodiment 3 of the present application;
fig. 8 is a schematic view of the structure of the present application at the position B.
Detailed Description
Exemplary embodiments that embody features and advantages of the present application will be set forth in detail in the following description. It will be understood that the application is capable of various modifications in various embodiments, all without departing from the scope of the application, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the application.
In the description of the present application, the orientation or positional relationship indicated by the terms "first", "second", "one side", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The reference numerals include:
the power supply device comprises a fixing piece 101, an output electrode bracket 102, a through groove 103, a second U-shaped groove 106, a connecting part 107, a supporting part 108, a mounting hole 110, an output electrode connecting sheet 112, an end plate 113, a battery cell group 114, a first bracket 119 and a battery cell mounting structure 120;
the device comprises an annular side plate 301, a bottom plate 302, an upper cover 303, a fixing part 305, a reinforcing part 306, a lifting hole 307, a first beam 308, a second beam 309, a fire-fighting bracket 310, a second bracket 314, a connecting rod 315, a clamping column 316, a strip-shaped hole 319 and a battery box 322;
a fuse holder 401, a first side plate 402, a second side plate 403, a third side plate 404, a fourth side plate 405, a supporting frame 406, a cover 407, a groove 408, a first U-shaped groove 409, a fuse serial piece 410, a fuse 411, and an insulating piece 412;
the gas-liquid two-phase spray head 502, the explosion-proof pressure release valve 503, the aerosol fire extinguisher 504, the smoke sensor 505, the hollow 5061, the guide groove 509 and the first electromagnet 5091;
the standby gas-liquid two-phase spray head 601, the mounting seat 602, the guide rail 603, the mounting plate 604, the sliding block 605, the second electromagnet 606 and the magnet 607.
Example 1
Referring to fig. 1 and 2, a battery pack includes a battery case 322 and a battery cell mounting structure 120 located in the battery case 322, the battery case 322 includes an upper cover 303, an annular side plate 301 screwed with the upper cover 303, and a bottom plate 302 welded to an end surface of the annular side plate 301, the annular side plate 301 includes a first side plate 402, a second side plate 403 opposite to the first side plate 402, a third side plate 404 connected to the first side plate 402 and the second side plate 403, and a fourth side plate 405 opposite to the third side plate 404.
The first side plate 402 and the second side plate 403 both comprise a fixing portion 305 and a reinforcing portion 306 which are connected with a third side plate 404 and a fourth side plate 405, the fixing portion 305 is parallel to the reinforcing portion 306 and has a gap, the outer side surface of the reinforcing portion 306 is provided with a plurality of hanging holes 307 which can be penetrated by inverted T-shaped hanging hooks, the surface of the fixing portion 305, which is close to the battery cell group 114, is connected with an insulating sheet 412, the third side plate 404 is connected with an explosion-proof pressure relief valve 503 which is detachably arranged on the third side plate 404 and is close to the second side plate 403, and a gas-liquid two-phase spray head 502, the gas-liquid two-phase spray head 502 is positioned right above the explosion-proof pressure relief valve 503, the surface of the fourth side plate 405, which is close to the end plate 113, is connected with the insulating sheet 412, and the bottom plate 302 is connected with a first cross beam 308, which is close to the third side plate 404 and is connected with the fixing member 101, and a second cross beam 309, which is close to the fourth side plate 405 and is connected with the fixing member 101.
In this embodiment, the fixing portion 305 and the reinforcing portion 306 are welded to the third side plate 404, the fourth side plate 405 and the bottom plate 302, and the third side plate 404 is further connected with a charge-discharge interface near the first side plate 402 and an electronic device located at the center of the third side plate 404.
In this embodiment, an annular first sealing strip is welded on the end surface of the connection between the annular side plate 301 and the upper cover 303, an annular second sealing strip with an L-shaped cross section is welded on the end surface of the connection between the upper cover 303 and the annular side plate 301, the inner side surface of the second sealing strip perpendicular to the bottom plate 302 is attached to the outer side surface of the first sealing strip, a plurality of first connecting holes are formed in the first sealing strip, and a plurality of second connecting holes communicated with the first connecting holes are formed in the second sealing strip.
The cell mounting structure 120 includes a plurality of cell groups 114, end plates 113 located at two ends of the cell groups 114, a fire-fighting bracket 310 and a fuse bracket 401 connected with the end plates 113, one end surface of the cell groups 114 is adhered to the bottom plate 302, the other end surface is adhered to a CCS component attached to the inner side surface of the upper cover 303, and the end plates 113 include a fixing member 101 threadably connected with the first beam 308 and the second beam 309, and an output electrode bracket 102 connected with the fixing member 101.
As shown in fig. 3 and 4, the fixing member 101 is provided with a through groove 103 penetrating through the upper end surface and the lower end surface of the fixing member 101, the upper end surface of the fixing member 101 is provided with a clamping groove communicated with the through groove 103, the output electrode bracket 102 is connected with a spring piece capable of being clamped into the clamping groove, the upper end surface of the fixing member 101 is provided with a second U-shaped groove 106 communicated with the first through groove 103, the through groove 103 is connected with a plurality of connecting portions 107 connecting two opposite inner side walls of the through groove 103, the bottom of the output electrode bracket 102 is symmetrically connected with a supporting portion 108 protruding and attached to the connecting portion 107 and the bottom of the second U-shaped groove, the connecting portion 107 plays a supporting role on the supporting portion 108, the outer side surface of the fixing member 101 is symmetrically provided with a mounting hole 110 communicated with the through groove 103, the fire-fighting bracket 310 is connected with a smoke sensor 505 and an aerosol fire extinguisher 504, and the mounting hole 110 can be opposite to the position of the hollowed-out portion.
The battery pack 114 includes a plurality of output pole connection tabs 112 connected to the output pole support 102 and located on the same side, a fire-fighting support 310 and a fuse support 401 are located between the third side plate 404 and the first beam 308, the fire-fighting support 310 is adjacent to the second side plate 403, the fuse support 401 is adjacent to the fire-fighting support 310, and the fire-fighting support 310, the fuse support 401 and the output pole connection tabs 112 are all located on the same side.
In this embodiment, the battery module is formed by the battery cell group 114 and the end plate 113, the battery cell group 114 is formed by a plurality of battery cells, a heat insulation member is connected between the battery cells, an insulating cover is connected between the fixing member 101 and the battery cell group 114, the insulating cover is concave, the insulating cover covers the battery cell part, the heat insulation member is adhered to the parallel surfaces of the battery cells and the third side plate 404, the fixing member 101, the insulating cover, the heat insulation member and the battery cell group 114 are connected through a binding belt, and the output electrode connecting sheet 112 is connected with a battery cell electrode post.
As shown in fig. 5, the fuse holder 401 includes a support 406 and a cover 407 connected with the support 406, the support 406 is provided with a plurality of grooves 408, the side walls of the grooves 408 are provided with a first U-shaped groove 409, the battery cell group 114 is connected with a fuse serial piece 410, the fuse serial piece 410 is connected with a fuse 411 located on the fuse holder 401, the fuse serial piece 410 and the fuse 411 are placed on the side walls of the first U-shaped groove 409, and the fuse serial piece 410 and the fuse 411 are connected with the fuse holder 401.
In this embodiment, the support 406 is further provided with a clamping groove, the cover 407 is fixedly connected with a spring sheet that can be clamped into the clamping groove, the bottom of the first U-shaped groove 409 opposite to the center of the inner side surface of the fuse is on the same horizontal plane with the bottom of the groove 408, so that the fuse 411 is more stably placed in the support 406, the first U-shaped groove 409 located at two ends of the inner side surface of the fuse 411 is connected with a connecting column with a threaded hole, the fuse 411, the fuse serial connection sheet 410 and the connecting column are in threaded connection, the surface of the fuse support 401, which is close to the bottom plate 302, is connected with a plurality of wedges, the wedges are attached to the bottom plate 302, and the fuse support 401 is in threaded connection with the bottom plate 302.
As shown in fig. 4, the fixing pieces 101 are connected with adjacent fixing pieces 101 through a first bracket 119, the first bracket 119 is L-shaped, the inner side surface of the first bracket 119 is attached to the outer surface of the fixing piece 101, the first bracket 119 is connected with the surface of the output pole bracket 102 by screw threads, the surface of the fixing piece 101 connected with the output pole bracket 102 is connected with a second bracket 314 by screw threads, the first bracket 119 is connected with the second bracket 314 through a connecting rod 315, the connecting rod 315 is attached to the outer side surface of the fixing piece 101, the parallel surfaces of the connecting rod 315 and the outer side surface of the fixing piece 101 are both connected with a clamping column 316 for connecting the fire-fighting bracket 310, and the upper part of the fire-fighting bracket 310 is provided with a strip-shaped hole 319 which is clamped on the clamping column 316.
The mounting piece 101 is provided with through grooves 103 penetrating through two end faces of the mounting piece 101, the outer side face of the mounting piece 101 is symmetrically provided with mounting holes 110 which are convenient for placing the battery core mounting structure 120 into the battery box 322 and are communicated with the through grooves 103, the fire-fighting support 310 is located at the positions of the smoke sensor 505 and the aerosol fire extinguisher 504 and is hollowed out, and the positions of the mounting holes 110 can be opposite to the positions of the hollowed-out positions.
The third side plate 404 is connected with an explosion-proof pressure release valve 503 and a gas-liquid two-phase spray head 502 which are detachably arranged on the third side plate 404 and are close to the second side plate 403, the gas-liquid two-phase spray head 502 is positioned right above the explosion-proof pressure release valve 503, the fire-fighting bracket 310 is connected with a smoke sensor 505 and an aerosol fire extinguisher 504 which are detachably arranged on the fire-fighting bracket 310, the aerosol fire extinguisher 504 is close to the smoke sensor 505, and the smoke sensor 505 and the explosion-proof pressure release valve 503 are close to each other and are opposite to each other.
Example 2
As shown in fig. 6, the difference between the present embodiment and embodiment 1 is that the fire protection device of the battery pack of the present embodiment further discloses a connection mode between the smoke sensor 505 and the fire protection bracket 310, in this embodiment, two guide slots 509 along the vertical direction are provided on two sides of the fire protection bracket 310 located at the hollow 5061 and the position, where the cross section of the guide slots 509 is dovetail-shaped, and the lower part of the guide slots extends downward beyond the hollow 5061, a first electromagnet 5091 is provided at the position of the bottom of the guide slots opposite to the explosion-proof pressure release valve, two sliding blocks (not shown in the figure) slidingly engaged with the guide slots 509 are provided on the inner side surface of the smoke sensor 505, metal sheets capable of being absorbed by the first electromagnet 5091 are provided at the bottom of the sliding blocks, and the on-off of the first electromagnet 5091 is controlled by a controller provided in the battery pack.
When the battery pack works normally, the electromagnet is electrified, so that the smoke sensor is adsorbed, the smoke sensor faces the explosion-proof pressure release valve, a large amount of gas is generated in the battery pack, and the smoke sensor timely detects that the smoke concentration is increased, and simultaneously, the pressure of the large amount of gas is released through the explosion-proof pressure release valve. If after the explosion-proof pressure release valve and the outside of the battery pack form a free gas channel, the smoke sensor is still in a right position with the explosion-proof pressure release valve, and the smoke concentration at the position is lower than the smoke concentration at other positions of the battery pack due to the rapid circulation of gas at the explosion-proof pressure release valve, so that the smoke concentration detected by the smoke sensor is inaccurate.
The embodiment further discloses fire control early warning method of battery package, still includes smoke transducer position adjustment step, and after explosion-proof relief valve was released the pressure, the electro-magnet outage was controlled to the controller to make smoke transducer slide to the position that is close to battery package bottom along the guide way under self gravity effect, thereby no longer just right with explosion-proof relief valve.
Example 3
As shown in fig. 7 and 8, the present embodiment is different from embodiment 1 in that: in this embodiment, the air-liquid dual-phase spray nozzle further comprises a standby air-liquid dual-phase spray nozzle 601, a through hole is formed in the battery box 322, the standby air-liquid dual-phase spray nozzle 601 horizontally penetrates through the through hole, one end of a nozzle of the standby air-liquid dual-phase spray nozzle faces the inside of the battery box 322, an installation seat 602 is arranged outside the battery box 322, a guide rail 603 is arranged on the upper portion of the installation seat 602, one end, far away from the nozzle, of the standby air-liquid dual-phase spray nozzle 601 is provided with an installation plate 604, two sides of the lower portion of the installation plate 604 are respectively provided with a sliding block 605, the sliding block 605 is in sliding fit with the guide rail 603, a second electromagnet 606 is arranged at the end, close to the battery box 322, of the installation seat 602, on one side, close to the battery box 322, of the sliding block 605 is provided with a magnet 607 which can be adsorbed or repelled by the second electromagnet 606, and the polarity of the second electromagnet 606 is controlled by a controller according to the temperature collected in the battery box 322 and the temperature condition collected in the energy storage container.
The use scene and principle of this scheme lie in: in the electrochemical energy storage technology, a battery pack is a basic energy storage unit and is formed by installing a plurality of groups of battery modules inside a battery box, each group of battery modules comprises a plurality of battery cores which are arranged in a row, a temperature sensor is arranged on each battery core, the temperature inside the battery box is measured by the highest value of the temperature collected in each battery core, the plurality of battery packs form an energy storage container, the temperatures outside the battery box and inside the shell of the energy storage container are collected through the temperature sensors inside the energy storage container, and in addition, smoke sensors are also arranged inside and outside the battery box.
Description: in the application, in a normal initial state, the second electromagnet is electrified to enable the polarity of the second electromagnet to be different from that of the magnet, so that the magnet is adsorbed, a nozzle of the standby gas-liquid two-phase spray head faces the inside of the battery box, the standby gas-liquid two-phase spray head is always connected with a fire-fighting pipeline, and a valve is arranged on the fire-fighting pipeline.
The application is provided with the standby gas-liquid two-phase spray head, and has the following advantages: when the temperature inside a certain battery box is too high and the gas concentration is too high and exceeds the warning value to approach the dangerous value, the controller can control the valve on the fire-fighting pipeline to be opened at the moment, so that the standby gas-liquid two-phase spray head is started to extinguish the fire inside the battery box.
When the temperature sensor in the energy storage container collects the temperature in the whole energy storage container to be too high, the smoke sensor in the energy storage container collects smoke concentration to be too high, the fact that open fire is generated is required to extinguish fire, and when the temperature and the smoke concentration in the single battery box are not close to dangerous values, the controller can control the second electromagnet to be electrified with reverse current, so that the polarities of the second electromagnet and the magnets are the same, and the second electromagnet repels each other, the sliding blocks positioned on two sides of the lower portion of the mounting plate slide along the guide rail under the repulsive force effect, so that the standby gas-liquid two-phase spray head is driven to gradually withdraw from the through hole of the battery box until the nozzle of the gas-liquid two-phase spray head is completely positioned between the outside of the battery box and the shell of the energy storage container, then the controller controls the valve to be opened, the standby gas-liquid two-phase spray head is started to extinguish fire, meanwhile, after the standby gas-liquid two-phase spray head withdraws from the through hole, the battery box and the inner space of the energy storage container are communicated, so that the internal gas flow inside the battery box or the inner space of the energy storage container is better, and the explosion danger caused by mass aggregation of gas in the internal gas flow of the battery box or the gas flow difference inside the energy storage container is avoided, and the design has more outstanding technical effects.
The above embodiments are only preferred embodiments of the present application, and the scope of the present application is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present application are intended to be within the scope of the present application as claimed.

Claims (10)

1. The utility model provides a battery package, includes battery box and is located electric core mounting structure in the battery box, its characterized in that: the battery box comprises an upper cover, an annular side plate connected with the upper cover and a bottom plate connected with the end face of the annular side plate, wherein the battery core mounting structure comprises a plurality of battery core groups, end plates located at two ends of the battery core groups, a fire-fighting support connected with the end plates and a fuse support, the battery core groups are connected with the bottom plate, the end plates comprise fixing pieces and output electrode supports connected with the fixing pieces, the battery core groups comprise a plurality of output electrode connecting pieces connected with the output electrode supports and located on the same side, and the fire-fighting support, the fuse support and the output electrode connecting pieces are all located on the same side.
2. The battery pack according to claim 1, wherein: the annular side plate comprises a first side plate, a second side plate opposite to the first side plate, a third side plate connected with the first side plate and the second side plate, and a fourth side plate opposite to the third side plate, wherein the bottom plate is connected with a first cross beam which is close to the third side plate and connected with a fixing piece and a second cross beam which is close to the fourth side plate and connected with the fixing piece, the fire-fighting support and the fuse support are located between the third side plate and the first cross beam, the fire-fighting support is close to the second side plate, and the fuse support is close to the fire-fighting support.
3. The battery pack according to claim 1, wherein: the fuse support comprises a support frame and a cover connected with the support frame, wherein the support frame is provided with a plurality of grooves, the side walls of the grooves are provided with first U-shaped grooves, the battery cell group is connected with a fuse serial connection sheet, the fuse serial connection sheet is connected with a fuse located on the fuse support, the fuse serial connection sheet and the fuse are placed on the side walls of the first U-shaped grooves, and the fuse serial connection sheet and the fuse are connected with the fuse support.
4. The battery pack according to claim 2, wherein: the fire-fighting support is connected with a smoke sensor and an aerosol fire extinguisher which are detachably mounted on the fire-fighting support, the aerosol fire extinguisher is close to the smoke sensor, and the smoke sensor and the explosion-proof pressure release valve are close to each other and are opposite to each other.
5. The battery pack according to claim 1, wherein: the fixing piece is connected with the adjacent fixing piece through a first bracket.
6. The battery pack according to claim 5, wherein: the fire-fighting fire extinguisher is characterized in that one end of the fixing piece, which is close to the first side plate and the second side plate, is provided with a second support connected with the first support, the first support is connected with the second support through a connecting rod, a plurality of clamping columns used for connecting the fire-fighting support are arranged on the surface parallel to the outer side surface of the fixing piece, the fire-fighting support is connected with a smoke sensor and an aerosol fire extinguisher, and the upper part of the fire-fighting support is provided with a strip-shaped hole which is clamped on the clamping columns.
7. The battery pack according to claim 6, wherein: the mounting is equipped with the logical groove that runs through both ends face about the mounting, mounting lateral surface symmetry be equipped with logical groove intercommunication's mounting hole, fire control leg joint has smoke transducer and aerosol fire extinguisher department all fretwork, the mounting hole can be relative with fretwork department position.
8. The battery pack according to claim 1, wherein: the mounting up end be equipped with the second U type groove of logical groove intercommunication, lead to the groove and be equipped with the connecting portion of two inside walls that a plurality of connection connect the groove are relative, output pole support is equipped with outstanding and can laminate with connecting portion, second U type groove simultaneously along output pole support width direction symmetry.
9. The battery pack according to claim 2, wherein: the first side plate and the second side plate comprise a fixing part and a reinforcing part which are connected with the third side plate and the fourth side plate, the fixing part is parallel to the reinforcing part and is provided with a gap, and the outer side surface of the reinforcing part is provided with a plurality of lifting holes through which inverted T-shaped lifting hooks can pass.
10. The battery pack according to claim 9, wherein: the surface of the fixing part, which is close to the battery cell group, is connected with an insulating sheet, and the surface of the fourth side plate, which is close to the end plate, is connected with an insulating sheet.
CN202310565829.5A 2023-05-19 2023-05-19 Battery pack Pending CN116613438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202310565829.5A CN116613438A (en) 2023-05-19 2023-05-19 Battery pack

Publications (1)

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CN217587638U (en) * 2022-03-07 2022-10-14 国安达股份有限公司 Battery cluster detection device for battery cabinet
CN218827565U (en) * 2022-08-09 2023-04-07 中车株洲电力机车研究所有限公司 Fireproof energy storage battery pack
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