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CN113381110A - Battery pack - Google Patents

Battery pack Download PDF

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Publication number
CN113381110A
CN113381110A CN202110784482.4A CN202110784482A CN113381110A CN 113381110 A CN113381110 A CN 113381110A CN 202110784482 A CN202110784482 A CN 202110784482A CN 113381110 A CN113381110 A CN 113381110A
Authority
CN
China
Prior art keywords
cell
battery
battery pack
shell
cell support
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
CN202110784482.4A
Other languages
Chinese (zh)
Inventor
林正为
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.)
Shenzhen Aricharge Technolog Co ltd
Original Assignee
Shenzhen Aricharge Technolog 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 Shenzhen Aricharge Technolog Co ltd filed Critical Shenzhen Aricharge Technolog Co ltd
Priority to CN202110784482.4A priority Critical patent/CN113381110A/en
Publication of CN113381110A publication Critical patent/CN113381110A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • H01M10/6555Rods or plates arranged between the cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/657Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571Resistive heaters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; 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
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention provides a battery pack, and belongs to the technical field of batteries. The battery pack includes: the battery pack comprises an upper shell, a side shell and a bottom shell, wherein the upper shell, the side shell and the bottom shell form a containing cavity, a first sealing element is arranged among the upper shell, the side shell and the bottom shell, a plurality of cable joints are arranged on the upper shell, a second sealing element is arranged at the joint of the cable joints and the upper shell, the cable joints adopt waterproof cable joints, a plurality of battery cells are arranged in the containing cavity, and a plurality of heating elements are arranged among the battery cells at intervals, so that the technical problem that the battery pack often breaks down when working in high-altitude operation equipment in the prior art is solved.

Description

Battery pack
Technical Field
The invention relates to the technical field of batteries, in particular to a battery pack.
Background
The aerial work vehicle is a special vehicle for conveying workers and equipment to a site and carrying out aerial work, the workers or the equipment are generally arranged on a platform, the platform is lifted to a certain height by the aerial work vehicle, the equipment is controlled to be used on the platform by using an electric control system in a part of the aerial work vehicle, a battery pack is generally arranged on the platform in order to provide electric energy for the electric control system and the equipment, and the problem that the battery is easily damaged due to water inflow or low temperature in the conventional battery pack is solved in the severe environment of aerial work.
Disclosure of Invention
The embodiment of the invention provides a battery pack, which solves the technical problems in the prior art.
In view of the above problems, an embodiment of the present invention provides a battery pack including:
the cable connector comprises an upper shell, a side shell and a bottom shell, wherein the upper shell, the side shell and the bottom shell form a containing cavity, first sealing elements are arranged among the upper shell, the side shell and the bottom shell, a plurality of cable connectors are arranged on the upper shell, second sealing elements are arranged at the joints of the cable connectors and the upper shell, the cable connectors adopt waterproof cable connectors, a plurality of battery cores are arranged in the containing cavity, and a plurality of heating elements are arranged among the battery cores at intervals.
In one embodiment, the battery pack further includes: the battery cell support, a plurality of battery cells with the heating member all is fixed in on the battery cell support.
In one embodiment, a plurality of electric core group units are arranged in the accommodating cavity, each electric core group unit comprises four electric cores and two heating members, one heating member is arranged between two electric cores in each electric core group unit, and the electric core support is arranged on each electric core group unit.
In one embodiment, a first side surface of the cell support is provided with a cell limiting groove and a heating member limiting groove, the cell and the heating member are respectively arranged in the cell limiting groove and the heating member limiting groove, and a second side surface of the cell support is provided with a copper sheet which is in screw connection with the cell so as to fix the cell to the cell support.
In one embodiment, the battery pack further includes a battery cell support cover, the second side surface of the battery cell support is provided with a plurality of slots, the battery cell support cover is provided with protrusions matched with the slots, and the protrusions are used for being inserted into the slots so that the battery cell support cover is fixed to the second side surface of the battery cell support.
In one embodiment, a battery management system is disposed in the accommodating cavity, and the battery management system is electrically connected to the battery core.
In one embodiment, the upper housing is provided with a recess, and the cable connector is provided in the recess.
In one embodiment, the recess is provided at a connection of the upper housing and the side housing.
In one embodiment, the upper shell is provided with a through hole for waterproof testing, a waterproof testing hole plug is arranged at the through hole, and the waterproof testing hole plug plugs the waterproof testing through hole.
In one embodiment, the battery cell is a lithium battery cell.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects: firstly, the shell of group battery divide into the casing, side casing and end casing, when the assembly, go up the casing, side casing and end casing compress tightly respectively and locate the first sealing member between each other, reach sealed effect, battery input and delivery outlet have adopted waterproof cable joint to waterproof simultaneously, compress tightly when being connected with last casing and locate the second sealing member between cable joint and the last casing and further guaranteed sealed effect, waterproof performance is better, in addition, when the battery is ultra-low temperature, the interval is provided with a plurality of heating members between a plurality of electric cores, heating member heats for electric core, when making ambient temperature zero degree when lower, electric core still can normal operating.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is an exploded view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic overall structure diagram according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery cell and a heating element in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cell support and a cell support cover in an embodiment of the present invention;
fig. 5 is a schematic diagram of a first side of a cell support cover according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram illustrating an assembly of a cell support cover and a cell according to an embodiment of the present invention.
Description of reference numerals: 100. an upper housing; 110. a recessed portion; 120. a waterproof test plug; 200. a side housing; 300. a bottom housing; 310. a first seal member; 400. a cable joint; 410. a second seal member; 500. an electric core; 600. a heating member; 700. a battery cell bracket; 710. a battery cell limiting groove; 720. a heating element limiting groove; 730. a cell support cover; 740. a slot; 750. a boss portion; 800. a battery management system; 900. a copper sheet.
Detailed Description
The technical scheme provided by the invention has the following general idea:
the battery pack includes: the upper shell 100, the side shell 200 and the bottom shell 300, the upper shell 100, the side shell 200 and the bottom shell 300 form a containing cavity, wherein a first sealing element 310 is arranged between the upper shell 100, the side shell 200 and the bottom shell 300, the upper shell 100 is provided with a plurality of cable connectors 400, a second sealing element 410 is arranged at the joint of the cable connectors 400 and the upper shell 100, the cable connectors 400 adopt waterproof cable connectors, a plurality of battery cells 500 are arranged in the containing cavity, and a plurality of heating elements 600 are arranged among the battery cells 500 at intervals, firstly, the shell of the battery pack is divided into the upper shell 100, the side shell 200 and the bottom shell 300, when the assembly is carried out, the upper shell 100, the side shell 200 and the bottom shell 300 respectively compress the first sealing elements 310 arranged among the first sealing elements to achieve the sealing effect, meanwhile, the waterproof cable connectors 400 are adopted for waterproof at the battery input and output ports, and the second sealing elements 410 arranged between the cable connectors 400 and the upper shell 100 are compressed when the cable connectors 400 are connected with the upper shell 100, so that the sealing effect is further ensured The effect, waterproof performance is better, can understand, first sealing member 310 and second sealing member 410 are flexible glue waterproof sealing ring, like rubber seal and silica gel sealing ring etc., in addition, when the battery is ultra-low temperature, the interval is provided with a plurality of heating members 600 between a plurality of electric cores 500, heating member 600 heats for electric core 500, when making the zero degree when ambient temperature is lower, electric core 500 still can normal operating, it is preferred, electric core adopts the lithium cell, can understand, the lithium cell is one kind by lithium metal or lithium alloy for positive/negative pole material, use the battery of non-aqueous electrolyte solution, it is higher to have the energy, long service life and the high advantage of rated voltage.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 4 to 6, the battery pack further includes: on electric core support 700, a plurality of electric cores 500 all were fixed in electric core support 700 with heating member 600, electric core support 700 was used for fixed electric core 500, prevented that electric core 500 from damaging because of the displacement collision in holding the cavity.
Referring to fig. 3 and 6, a plurality of electric core assembly units are disposed in the accommodating cavity, each electric core assembly unit includes four electric cores 500 and two heating members 600, wherein a heating member 600 is provided between two electric cores 500 in the electric core assembly unit, the electric core support 700 is provided on the electric core assembly unit, and since a heating member 600 is provided between two electric cores 500, that is, one heating element 600 heats two electric cores 500 at the same time, so that the number of the heating element 600 is reduced to the maximum extent, the volume of the whole battery pack is reduced, a battery pack unit is formed by four battery cells 500 and two heating elements 600, a plurality of groups of electric core group units can be arranged in the accommodating cavity, when the battery group is in failure or one electric core 500 needs to be replaced, only one group of cell group units need to be taken out, and all the cells 500 do not need to be taken out simultaneously, so that the cells 500 are prevented from being damaged due to the fact that all the cells 500 are taken out during maintenance.
Referring to fig. 4 to 6, a first side surface of the battery cell support 700 is provided with a battery cell limiting groove 710 and a heating member limiting groove 720, wherein the battery cell 500 and the heating member 600 are respectively disposed in the battery cell limiting groove 710 and the heating member limiting groove 720, a second side surface of the battery cell support 700 is provided with a copper sheet 900, the copper sheet 900 is in screw connection with the battery cell 500 so as to fix the battery cell 500 to the battery cell support 700, the battery cell 500 and the heating member 600 are limited and fixed by the battery cell limiting groove 710 and the heating member limiting groove 720, specifically, the battery cell support 700 and the copper sheet 900 are provided with through holes for screws to pass through, the battery cell 500 is provided with threaded through holes for being connected with screws, the screws sequentially pass through the copper sheet 900, the battery cell support 700 is in threaded connection with the battery cell 500, and the copper sheet 900 plays a role in fixing and also achieves an electric connection function of connecting a plurality of battery cells in series and parallel.
Referring to fig. 4, the battery pack further includes a cell support cover 730, a plurality of slots 740 are formed in a second side surface of the cell support 700, a protrusion 750 is formed in the cell support cover 730 and matches the slots 740, the protrusion 750 is inserted into the slot 740 to fix the cell support cover 730 to the second side surface of the cell support 700, the cell support cover 730 is used to cover the second side surface of the cell support 700, since the conductive members, such as cables, of the cell 500 and the heating member 600 generally pass through the cell support 700 and are disposed on the second side surface of the cell support 700, the cell support cover 730 covers the second side surface of the cell support 700 to cover the conductive members of the cell 500 and the heating member 600, so as to prevent water droplets from dropping into the cell 500 and the heating member 600 to cause damage during maintenance or installation, and in addition, the cell support cover 730 prevents an operator from touching the conductive members by mistake to get an electric shock or scald.
Referring to fig. 1, a battery management system 800 is disposed in the accommodating cavity, and the battery management system 800 is electrically connected to the battery cell 500, specifically, the battery management system 800 is a BMS battery system, commonly called a battery caregiver or a battery manager, and is mainly used for intelligently managing and maintaining each battery unit, preventing overcharge and overdischarge of the battery, prolonging the service life of the battery, and monitoring the state of the battery.
Referring to fig. 1, the upper housing 100 is provided with a recess 110, and the cable connector 400 is disposed in the recess 110, and specifically, referring to fig. 2, the recess 110 is disposed at a connection position between the upper housing 100 and the side housing 200, that is, the recess 110 is formed by inwardly recessing one side of the upper housing 100 connected to the side housing 200, and the cable connector 400 is designed in the recess 110 to better protect the cable connector 400 and prevent the cable connector 400 from being damaged by collision of foreign objects on the cable connector 400.
Referring to fig. 2, the upper case 100 is provided with a through hole for a waterproof test, a waterproof test plug 120 is provided at the through hole, the waterproof test plug 120 plugs the waterproof test through hole, and in order to ensure the sealing performance of the battery pack, a through hole for a waterproof test is provided, the through hole is in an open state during the waterproof test, and the through hole is plugged by the waterproof test plug 120 after the waterproof test is completed, so as to ensure the sealing performance of the battery pack, wherein the waterproof test plug 120 and the through hole may be connected by interference fit.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims (10)

1. A battery pack, comprising: the cable connector comprises an upper shell, a side shell and a bottom shell, wherein the upper shell, the side shell and the bottom shell form a containing cavity, first sealing elements are arranged among the upper shell, the side shell and the bottom shell, a plurality of cable connectors are arranged on the upper shell, second sealing elements are arranged at the joints of the cable connectors and the upper shell, the cable connectors adopt waterproof cable connectors, a plurality of battery cores are arranged in the containing cavity, and a plurality of heating elements are arranged among the battery cores at intervals.
2. The battery pack of claim 1, further comprising: the battery cell support, a plurality of battery cells with the heating member all is fixed in on the battery cell support.
3. The battery pack according to claim 2, wherein a plurality of cell pack units are disposed in the accommodating cavity, the cell pack units comprise four cells and two heating members, one heating member is disposed between two cells in the cell pack unit, and the cell supports are disposed on the cell pack unit.
4. The battery pack according to any one of claims 2-3, wherein a first side surface of the cell support is provided with a cell spacing groove and a heating member spacing groove, wherein the cell and the heating member are respectively disposed in the cell spacing groove and the heating member spacing groove, and a second side surface of the cell support is provided with a copper sheet, and the copper sheet is in screw connection with the cell so as to fix the cell to the cell support.
5. The battery pack according to claim 4, further comprising a cell support cover, wherein the second side surface of the cell support cover is provided with a plurality of slots, the cell support cover is provided with protrusions matching with the slots, and the protrusions are used for being inserted into the slots to fix the cell support cover to the second side surface of the cell support.
6. The battery pack of claim 1, wherein a battery management system is disposed within the receiving cavity, the battery management system being electrically connected to the cells.
7. The battery pack according to claim 1, wherein the upper case is provided with a recess, and the cable connector is provided in the recess.
8. The battery pack as claimed in claim 7, wherein said recess is provided at a connection of said upper case and said side case.
9. The battery pack according to claim 1, wherein the upper case is provided with a through hole for waterproof testing, and a waterproof testing hole plug is provided at the through hole to plug the waterproof testing through hole.
10. The battery pack according to claim 1, wherein the battery cells are lithium battery cells.
CN202110784482.4A 2021-07-12 2021-07-12 Battery pack Pending CN113381110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110784482.4A CN113381110A (en) 2021-07-12 2021-07-12 Battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110784482.4A CN113381110A (en) 2021-07-12 2021-07-12 Battery pack

Publications (1)

Publication Number Publication Date
CN113381110A true CN113381110A (en) 2021-09-10

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ID=77581759

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110784482.4A Pending CN113381110A (en) 2021-07-12 2021-07-12 Battery pack

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Country Link
CN (1) CN113381110A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829332A (en) * 1971-07-06 1974-08-13 Kohkoku Chemical Ind Co Waterproof battery case
CN206370453U (en) * 2016-12-16 2017-08-01 山东精工电子科技有限公司 Portable pump lithium battery group
CN207320175U (en) * 2017-09-08 2018-05-04 东莞市德尔能新能源股份有限公司 A kind of new waterproof battery structure
CN208819953U (en) * 2018-10-24 2019-05-03 东莞亿动智能科技有限公司 A kind of Waterproof battery
CN110323385A (en) * 2019-07-08 2019-10-11 北京新能源汽车股份有限公司 Battery module, battery pack and vehicle
CN209607885U (en) * 2018-12-29 2019-11-08 张伟 A kind of low temperature self-heating battery
CN213636160U (en) * 2020-12-21 2021-07-06 江西迪比科股份有限公司 Battery panel beating shell waterproof construction
CN215184273U (en) * 2021-07-12 2021-12-14 深圳前海云充科技有限公司 Battery pack

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829332A (en) * 1971-07-06 1974-08-13 Kohkoku Chemical Ind Co Waterproof battery case
CN206370453U (en) * 2016-12-16 2017-08-01 山东精工电子科技有限公司 Portable pump lithium battery group
CN207320175U (en) * 2017-09-08 2018-05-04 东莞市德尔能新能源股份有限公司 A kind of new waterproof battery structure
CN208819953U (en) * 2018-10-24 2019-05-03 东莞亿动智能科技有限公司 A kind of Waterproof battery
CN209607885U (en) * 2018-12-29 2019-11-08 张伟 A kind of low temperature self-heating battery
CN110323385A (en) * 2019-07-08 2019-10-11 北京新能源汽车股份有限公司 Battery module, battery pack and vehicle
CN213636160U (en) * 2020-12-21 2021-07-06 江西迪比科股份有限公司 Battery panel beating shell waterproof construction
CN215184273U (en) * 2021-07-12 2021-12-14 深圳前海云充科技有限公司 Battery pack

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