CN108598549B - Storage battery and preparation method thereof - Google Patents

Storage battery and preparation method thereof Download PDF

Info

Publication number
CN108598549B
CN108598549B CN201810752072.XA CN201810752072A CN108598549B CN 108598549 B CN108598549 B CN 108598549B CN 201810752072 A CN201810752072 A CN 201810752072A CN 108598549 B CN108598549 B CN 108598549B
Authority
CN
China
Prior art keywords
sided
double
bracket
conductive
plate
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.)
Active
Application number
CN201810752072.XA
Other languages
Chinese (zh)
Other versions
CN108598549A (en
Inventor
刘娇英
梁华智
梁坎清
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.)
Dongguan Renwoxing Energy Technology Co ltd
Original Assignee
Dongguan Renwoxing Energy Technology 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 Dongguan Renwoxing Energy Technology Co ltd filed Critical Dongguan Renwoxing Energy Technology Co ltd
Priority to CN201810752072.XA priority Critical patent/CN108598549B/en
Publication of CN108598549A publication Critical patent/CN108598549A/en
Application granted granted Critical
Publication of CN108598549B publication Critical patent/CN108598549B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01M10/04—Construction or manufacture in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention discloses a storage battery and a preparation method thereof. The storage battery includes: a first insulating plate; a first conductive bus bar connected to the first insulating plate; the first single-sided bracket is connected with the first conductive busbar, and is provided with a first double-sided conductive elastic sheet; the double-sided bracket is provided with a second double-sided conductive elastic sheet; the positive electrode end of the first group of electric cores is arranged on the first single-sided bracket and is abutted against the first double-sided conductive elastic sheet, and the negative electrode end of the first group of electric cores is arranged on the double-sided bracket and is abutted against the second double-sided conductive elastic sheet; the second single-sided bracket is provided with a third double-sided conductive elastic sheet; the positive electrode end of the second group of electric cores is arranged on the double-sided bracket and is abutted against the second double-sided conductive elastic sheet, and the negative electrode end of the second group of electric cores is arranged on the second single-sided bracket and is abutted against the third double-sided conductive elastic sheet; a second conductive bus bar; the second insulating board is connected with the second conductive bus bar. The preparation method of the storage battery has the advantages of simple and convenient process and labor cost saving; the manufactured battery cell is convenient to replace, and the cost of the battery is reduced.

Description

Storage battery and preparation method thereof
Technical Field
The invention relates to the technical field of storage batteries, in particular to a storage battery and a preparation method thereof.
Background
A storage battery is a device for directly converting chemical energy into electric energy, is a battery designed to be rechargeable, and recharging is achieved through a reversible chemical reaction, and is usually referred to as a lead-acid storage battery, which is one of the batteries and belongs to a secondary battery. Its working principle is: the internal active substances are regenerated by external electric energy during charging, the electric energy is stored as chemical energy, and the chemical energy is converted into electric energy again for output when discharging is needed, such as a mobile phone battery commonly used in life.
Currently used batteries generally require several cells to be connected together to achieve the required amount of electricity. The method used at present is that a plurality of electric cores are connected together front and back through elastic sheets and then welded and connected, so that the structure is ensured to be stable. The method has complex manufacturing process, special technicians are required for welding, and the battery core cannot be reused or replaced, so that the cost of the storage battery is increased.
Disclosure of Invention
Based on the above, the invention needs to provide a preparation method of the storage battery, which has simple and convenient process, does not need professional technicians, and saves labor cost; the battery core is convenient to replace, and can be reused, so that the cost of the storage battery is reduced.
The invention also needs to provide a storage battery which has a simple structure, is convenient to replace the battery core and can be reused.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a method of manufacturing a battery comprising at least two sets of cells, the method comprising the steps of:
mounting a first conductive bus bar on one side of a first insulating plate;
mounting a first single-sided bracket on the other side of the first conductive bus bar;
mounting a first double-sided conductive elastic sheet on the first single-sided bracket, wherein one side of the first double-sided conductive elastic sheet is abutted against the first conductive bus bar;
a first group of electric cores are arranged on the first single-sided bracket, and the positive electrode ends of the first group of electric cores are abutted against the other side of the first double-sided conductive elastic sheet;
installing a double-sided bracket at the negative electrode end of the first group of electric cores, and installing a second double-sided conductive elastic sheet on the double-sided bracket; or the second double-sided conductive elastic sheet is firstly arranged on the double-sided bracket, and then the double-sided bracket is arranged at the negative electrode end of the first group of electric cores; the negative electrode end of the first group of electric cores is abutted against the second double-sided conductive elastic sheet;
A second group of electric cores are arranged on the double-sided bracket, and the positive electrode ends of the second group of electric cores are abutted against the second double-sided conductive elastic sheets;
the third double-sided conductive elastic sheet is arranged on the second single-sided bracket;
mounting a second group of electric cores on a second single-sided bracket, wherein the negative electrode ends of the second group of electric cores are abutted against the third double-sided conductive elastic sheets;
mounting a second conductive bus bar on one side of a second single-sided bracket;
a second insulating plate is mounted on the other side of the second conductive bus bar.
According to the storage battery preparation method, the double-sided support and the double-sided conductive elastic sheet are arranged, so that the battery cell group is connected and electrically connected, the assembly of the battery cell can be completed without welding, the preparation process is simple and convenient due to the structural design, the installation can be performed without professional technicians, and the labor cost is saved; the structure design makes the battery core convenient to replace, can be used for the second time, and reduces the cost of the storage battery.
In some embodiments, when the battery includes multiple sets of cells, the method includes the steps of:
mounting a first conductive bus bar on one side of a first insulating plate;
mounting a first single-sided bracket on one side of the first conductive bus bar;
Mounting a first double-sided conductive elastic sheet on the first single-sided bracket, wherein one side of the first double-sided conductive elastic sheet is abutted against the first conductive bus bar;
a first group of electric cores are arranged on the first single-sided bracket, and the positive electrode ends of the first group of electric cores are abutted against the other side of the first double-sided conductive elastic sheet;
a first double-sided bracket is arranged at the negative electrode end of the first group of electric cores, and a second double-sided conductive elastic sheet is arranged on the first double-sided bracket; or the second double-sided conductive elastic sheet is firstly arranged on the first double-sided bracket, and then the first double-sided bracket is arranged at the negative electrode end of the first group of electric cells; the negative electrode end of the first group of electric cores is abutted against the second double-sided conductive elastic sheet;
a second group of electric cores are arranged on the first double-sided bracket, and the positive electrode ends of the second group of electric cores are abutted against the second double-sided conductive elastic sheets;
mounting a second double-sided bracket at the negative electrode end of the second group of electric cores, and mounting a fourth double-sided conductive elastic sheet on the second double-sided bracket; or the fourth double-sided conductive elastic sheet is firstly arranged on the second double-sided bracket, and then the second double-sided bracket is arranged at the negative electrode end of the second group of electric cells; the negative electrode end of the second group of electric cores is abutted against the fourth double-sided conductive elastic sheet;
Repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets;
the third double-sided conductive elastic sheet is arranged on the second single-sided bracket, the N group of electric cores are arranged on the second single-sided bracket, and the negative electrode end of the N group of electric cores is abutted against the third double-sided conductive elastic sheet;
mounting a second conductive bus bar on one side of a second single-sided bracket;
a second insulating plate is mounted on the other side of the second conductive bus bar.
In some embodiments, the method for preparing a storage battery further includes the following steps:
and connecting the first conductive bus bar, the first insulating plate, the first single-sided bracket, the first group of electric cores, the double-sided bracket, the second group of electric cores, the second single-sided bracket, the second conductive bus bar and the second insulating plate together.
In some embodiments, the method for preparing the storage battery comprises the following steps:
providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring plate, a first group of electric cores, a double-sided bracket, a second double-sided conductive spring plate, a second group of electric cores, a second double-sided conductive spring plate and a third double-sided conductive spring plate; the double-sided bracket comprises a bracket plate, wherein a plurality of spring piece mounting holes are formed in the bracket plate, a plurality of battery cell bearing cavities are respectively formed in the opposite two sides of the bracket plate, and each battery cell bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first double-sided conductive spring plate, the second double-sided conductive spring plate and the third double-sided conductive spring plate comprise spring plate, a plurality of spring plate holes and positioning holes are formed in the spring plate, a plurality of spring plate strips extending towards the center of the spring plate holes are arranged at the inner edges of the spring plate holes, wherein a plurality of spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface, opposite to the first surface, of the spring plate;
Mounting the first conductive bus bar on one side of the first insulating plate;
abutting one surface of the first single-sided bracket, which is flat, against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of the first double-sided conductive spring plate on a support plate of the first single-sided support, positioning a spring plate strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring plate strip inclined towards the first surface of the support plate of the first single-sided support by the first double-sided conductive spring plate;
the positive electrode end of the first group of electric cores is arranged in an electric core bearing cavity of the first single-sided bracket, and the first end is abutted against an elastic piece strip of the first double-sided conductive elastic piece, which is inclined towards the second surface of the bracket plate of the first single-sided bracket;
positioning the negative electrode end of the first group of electric cores in an electric core bearing cavity of the first surface of the double-sided bracket, positioning an elastic sheet plate of the second double-sided conductive elastic sheet on a bracket plate of the double-sided bracket, positioning an elastic sheet strip of the second double-sided conductive elastic sheet in an elastic sheet mounting hole of the double-sided bracket, and abutting the elastic sheet strip inclined towards the first surface of the bracket plate of the double-sided bracket against the negative electrode end of the first group of electric cores;
The positive electrode ends of the second group of electric cores are arranged in an electric core bearing cavity of the second face of the double-face bracket, and the positive electrode ends of the second group of electric cores are abutted against spring piece strips of the second double-face conductive spring pieces, which incline towards the second face of the bracket plate of the double-face bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode end of the second group of electric cores is arranged in an electric core bearing cavity of the first surface of the second single-sided bracket, and the negative electrode end of the second group of electric cores is abutted against an elastic piece strip of the third double-sided conductive elastic piece, which is inclined towards the first surface of the bracket plate of the second single-sided bracket;
the second conductive bus bar is arranged on one surface of the second single-sided bracket, which is flat, and the second conductive bus bar is abutted against the spring piece strip of the third double-sided conductive spring piece, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
the second insulating plate is mounted on the other side of the second conductive bus bar.
In some embodiments, the method for preparing the storage battery comprises the following steps:
Providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring piece, a second double-sided conductive spring piece, a third double-sided conductive spring piece, a fourth double-sided conductive spring piece, a first group of electric cores, a second group of electric cores, a first double-sided bracket and a second double-sided bracket, wherein the first double-sided conductive spring piece is up to an N+1th double-sided conductive spring piece, the first group of electric cores, the second group of electric cores are up to an N group of electric cores, and the second double-sided bracket is up to an N-1th double-sided bracket; the first double-sided bracket and the second double-sided bracket all comprise bracket plates until the N-1 th double-sided bracket, a plurality of spring piece mounting holes are formed in the bracket plates, a plurality of battery core bearing cavities are respectively formed in opposite sides of the bracket plates, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first double-sided conductive spring plate, the second double-sided conductive spring plate, the third double-sided conductive spring plate and the fourth double-sided conductive spring plate all comprise spring plate, a plurality of spring plate holes and positioning holes are formed in the spring plate, a plurality of spring plate strips extending towards the center of the spring plate holes are arranged at the inner edges of the spring plate holes, wherein a plurality of spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface, opposite to the first surface, of the spring plate;
Mounting the first conductive bus bar on one side of a first insulating plate;
abutting one surface of the first single-sided bracket, which is flat, against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of the first double-sided conductive spring plate on a support plate of the first single-sided support, positioning a spring plate strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring plate strip inclined towards the first surface of the support plate of the first single-sided support by the first double-sided conductive spring plate;
the positive electrode end of the first group of electric cores is arranged in an electric core bearing cavity of the first single-sided bracket, and the first end is abutted against an elastic piece strip of the first double-sided conductive elastic piece, which is inclined towards the second surface of the bracket plate of the first single-sided bracket;
positioning the negative electrode end of the first group of electric cores in an electric core bearing cavity of the first surface of the first double-sided bracket, positioning the spring plate of the second double-sided conductive spring plate on the bracket plate of the first double-sided bracket, positioning the spring plate strip of the second double-sided conductive spring plate in the spring plate mounting hole of the first double-sided bracket, and abutting the spring plate strip inclined towards the first surface of the bracket plate of the first double-sided bracket with the negative electrode end of the first group of electric cores;
The positive electrode end of the second group of electric cores is arranged in an electric core bearing cavity of the second face of the first double-face bracket, and the positive electrode end of the second group of electric cores is abutted against an elastic piece strip of the second double-face conductive elastic piece, which is inclined towards the second face of the bracket plate of the first double-face bracket;
the second double-sided bracket is arranged at the negative electrode end of the second group of electric cells, the fourth double-sided conductive elastic sheet is arranged on the second double-sided bracket, and the negative electrode end of the second group of electric cells is abutted against the fourth double-sided conductive elastic sheet;
repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets until the positive electrode of the N group of electric cores is installed on the N-1 double-sided bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode end of the nth group of electric cores is arranged in an electric core bearing cavity of the first face of the second single-face bracket, and the negative electrode end of the nth group of electric cores is abutted against an elastic piece strip of the third double-face conductive elastic piece, which is inclined towards the first face of the bracket plate of the second single-face bracket;
The second conductive bus bar is arranged on one surface of the second single-sided bracket, which is flat, and the second conductive bus bar is abutted against the spring piece strip of the third double-sided conductive spring piece, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
the second insulating plate is mounted on the other side of the second conductive bus bar.
The invention also provides a storage battery, which at least comprises:
a first insulating plate;
a first conductive bus bar connected to the first insulating plate;
the first single-sided bracket is connected with the first conductive busbar, a first double-sided conductive elastic sheet is arranged on the first single-sided bracket, and the first conductive busbar is abutted against one side of the first double-sided conductive elastic sheet;
the double-sided bracket is provided with a second double-sided conductive elastic sheet;
the first group of electric cores are arranged between the first single-sided bracket and the double-sided bracket, the positive electrode ends of the first group of electric cores are arranged on the first single-sided bracket and are abutted against the other side of the first double-sided conductive elastic sheet, and the negative electrode ends of the first group of electric cores are arranged on the double-sided bracket and are abutted against one side of the second double-sided conductive elastic sheet;
The second single-sided bracket is provided with a third double-sided conductive elastic sheet;
the second group of electric cores are arranged between the double-sided bracket and the second single-sided bracket, the positive electrode ends of the second group of electric cores are arranged on the double-sided bracket and are abutted against the other side of the second double-sided conductive elastic sheet, and the negative electrode ends of the second group of electric cores are arranged on the second single-sided bracket and are abutted against one side of the third double-sided conductive elastic sheet;
the second conductive bus bar is connected with the second single-sided bracket and abuts against the other side of the third double-sided conductive elastic sheet;
and the second insulating plate is connected with the second conductive bus bar.
In some embodiments, the storage battery comprises N groups of electric cores, the N groups of electric cores are sequentially and respectively arranged on the N-1 groups of double-sided supports according to positive electrodes and negative electrodes, and the N-1 groups of double-sided supports are respectively provided with a double-sided conductive elastic sheet with the same structure as the first double-sided conductive elastic sheet, the second double-sided conductive elastic sheet and the third double-sided conductive elastic sheet.
In some embodiments, the first conductive bus bar, the first insulating plate, the first single-sided support, the first set of cells, the double-sided support, the second set of cells, the second single-sided support, the second conductive bus bar, and the second insulating plate are connected by a connecting piece.
In some embodiments, the double-sided bracket comprises a bracket plate, a plurality of spring plate mounting holes are formed in the bracket plate, a plurality of battery core bearing cavities are respectively formed in opposite sides of the bracket plate, and each battery core bearing cavity corresponds to one spring plate mounting hole.
In some embodiments, the support plate is provided with a plurality of support protrusions between the spring plate mounting holes, and the four adjacent support protrusions form the battery core support cavity together; and a spring plate mounting position is arranged between two adjacent bearing bulges.
In some embodiments, the first and second groups of cells each include a plurality of cells, and a gap is formed between the cells; wherein, a plurality of the supporting bulges are protruded out of the support plate, and connecting piece holes are formed in the supporting bulges.
In some embodiments, the first double-sided conductive spring plate, the second double-sided conductive spring plate and the third double-sided conductive spring plate each comprise a spring plate, a plurality of spring plate holes and positioning holes are formed in the spring plate, a plurality of spring plate strips extending towards the center of the spring plate holes are arranged at the inner edges of the spring plate holes, wherein a plurality of spring plate strips incline towards the first face of the spring plate, and the rest spring plate strips incline towards the second face, opposite to the first face, of the spring plate.
Drawings
Fig. 1 is a schematic view of a battery according to an embodiment of the present invention;
FIG. 2 is a schematic view of the battery of FIG. 1 from another perspective;
FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;
fig. 4 is an enlarged view at a in fig. 3;
fig. 5 is an enlarged view at B in fig. 3;
fig. 6 is a schematic structural view of one side of a double-sided bracket or a first single-sided bracket and a second single-sided bracket of the storage battery shown in fig. 1;
FIG. 7 is a schematic view of the other side of the double-sided bracket of FIG. 6;
fig. 8 is a schematic structural view of a double-sided conductive spring of the battery of fig. 1;
fig. 9 is a schematic structural diagram of the double-sided bracket of the battery shown in fig. 1 mated with a second double-sided conductive spring plate.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 9, the present invention provides a method for preparing a storage battery, the storage battery includes at least two groups of cells, the method includes the following steps:
mounting the first conductive bus bar 10 on one side of the first insulating plate 20;
mounting the first single-sided bracket 30 on the other side of the first conductive bus bar 10;
mounting a first double-sided conductive elastic sheet 31 on the first single-sided bracket 30, wherein one side of the first double-sided conductive elastic sheet 31 is abutted against the first conductive busbar 10;
the first group of electric cores 50 are arranged on the first single-sided bracket 30, and the positive ends of the first group of electric cores 50 are abutted against the other side of the first double-sided conductive elastic sheet 31;
mounting the double-sided bracket 40 on the negative end of the first group of battery cells 50, and then mounting the second double-sided conductive elastic sheet 41 on the double-sided bracket 40; or the second double-sided conductive spring piece 41 is firstly arranged on the double-sided bracket 40, and then the double-sided bracket 40 is arranged at the negative end of the first group of battery cells 50; the negative terminal of the first group of battery cells 50 is abutted against the second double-sided conductive spring piece 41;
mounting a second group of electric cores 70 on the double-sided bracket 40, wherein the positive ends of the second group of electric cores 70 are abutted against the second double-sided conductive elastic sheets 41;
mounting a third double-sided conductive dome 61 on the second single-sided bracket 60;
Mounting a second group of electric cores 70 on the second single-sided bracket 60, wherein the negative electrode ends of the second group of electric cores 70 are abutted against the third double-sided conductive elastic sheets 61;
mounting a second conductive buss bar 80 on one side of the second single-sided bracket 60;
a second insulating plate 90 is mounted on the other side of the second conductive bus bar 80.
In order to make the above-mentioned battery structure more stable, the above-mentioned method further includes a step of connecting the first conductive bus bar 10, the first insulating plate 20, the first single-sided bracket 30, the first group of battery cells 50, the double-sided bracket 40, the second group of battery cells 70, the second single-sided bracket 60, the second conductive bus bar 80 and the second insulating plate 90 together. Specifically, the first conductive bus bar 10, the first insulating plate 20, the first single-sided bracket 30, the first group of electric cells 50, the double-sided bracket 40, the second group of electric cells 70, the second single-sided bracket 60, the second conductive bus bar 80 and the second insulating plate 90 are sequentially arranged through a connecting piece. For example, the first conductive bus bar 10, the first insulating plate 20, the first single-sided support 30, the first group of electric cells 50, the double-sided support 40, the second group of electric cells 70, the second single-sided support 60, the second conductive bus bar 80 and the second insulating plate 90 are sequentially penetrated through one or several screws 101, two ends of each screw 101 are respectively provided with a gasket 102 and a nut 103, the gaskets 102 are respectively abutted against the first insulating plate 20 and the second insulating plate 90, and the nuts 103 are turned to lock the screws 101.
When the storage battery comprises a plurality of groups of cells, the method comprises the following steps:
mounting the first conductive bus bar 10 on one side of the first insulating plate 20;
mounting the first single-sided bracket 30 on the other side of the first conductive bus bar 10;
mounting a first double-sided conductive elastic sheet 31 on the first single-sided bracket 30, wherein one side of the first double-sided conductive elastic sheet 31 is abutted against the first conductive busbar 10;
the first group of electric cores 50 are arranged on the first single-sided bracket 30, and the positive ends of the first group of electric cores 50 are abutted against the other side of the first double-sided conductive elastic sheet 31;
the first double-sided bracket 40 is arranged at the negative end of the first group of battery cells 50, and the second double-sided conductive elastic sheet 41 is arranged on the first double-sided bracket 40; or the second double-sided conductive spring piece 41 is firstly arranged on the first double-sided bracket 40, and then the first double-sided bracket 40 is arranged at the negative end of the first group of battery cells 50; the negative terminal of the first group of battery cells 50 is abutted against the second double-sided conductive spring piece 41;
the second group of electric cores 70 are arranged on the first double-sided bracket 40, and the positive ends of the second group of electric cores 70 are abutted against the second double-sided conductive elastic sheets 41;
a second double-sided bracket 104 is arranged at the negative end of the second group of battery cells 70, and a fourth double-sided conductive elastic sheet 105 is arranged on the second double-sided bracket 104; or the fourth double-sided conductive spring sheet 105 is firstly arranged on the second double-sided bracket 104, and then the second double-sided bracket 104 is arranged at the negative end of the second group of battery cells 70; the negative terminal of the second set of battery cells 70 abuts the fourth double-sided conductive spring 61;
Repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets;
the N+1th double-sided conductive elastic sheet is installed on the second single-sided bracket 60, the positive electrode end of the N group of electric cores is abutted with the N+1th double-sided conductive elastic sheet, and the negative electrode end of the N group of electric cores is abutted with the third double-sided conductive elastic sheet;
mounting a second conductive buss bar 80 on one side of the second single-sided bracket 60;
a second insulating plate 90 is mounted on the other side of the second conductive bus bar 80.
That is, when the cells are in multiple groups, the positive electrode terminal of the second group of cells 70 is mounted on the first double-sided bracket 40, the second double-sided bracket 104 is mounted on the second end of the second group of cells 50, then the first end of the third group of cells 106 is mounted on the second double-sided bracket 104, the third double-sided bracket 107 is mounted on the other end of the third group of cells 106, and so on, until the nth group of cells 108 is mounted, and then the second single-sided bracket 60, the second conductive bus bar 80 and the second insulating plate 90 are mounted.
The preparation method of the storage battery specifically comprises the following steps:
providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring plate, a first group of electric cores, a double-sided bracket, a second double-sided conductive spring plate, a second group of electric cores, a second double-sided conductive spring plate and a third double-sided conductive spring plate; the double-sided bracket comprises a bracket plate, wherein a plurality of spring piece mounting holes are formed in the bracket plate, a plurality of battery core bearing cavities are respectively formed in the opposite two sides of the bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first double-sided conductive spring plate, the second double-sided conductive spring plate and the third double-sided conductive spring plate comprise spring plate, a plurality of spring plate holes and positioning holes are formed in the spring plate, a plurality of spring plate strips extending towards the center of the spring plate holes are arranged at the inner edges of the spring plate holes, wherein the spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface, opposite to the first surface, of the spring plate;
Mounting a first conductive bus bar on one side of a first insulating plate;
abutting one flat-shaped surface of the first single-sided bracket against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of a first double-sided conductive spring plate on a support plate of a first single-sided support, positioning a spring strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring strip inclined towards the first surface of the support plate of the first single-sided support with a first conductive busbar;
the positive electrode ends of the first group of electric cores are arranged in an electric core bearing cavity of the first single-sided bracket, and the first ends are abutted against spring piece strips of the first double-sided conductive spring pieces, which incline towards the second surface of the bracket plate of the first single-sided bracket;
the negative electrode end of the first group of electric cores is positioned in the electric core supporting cavity of the first surface of the double-sided bracket, then the elastic sheet plate of the second double-sided conductive elastic sheet is positioned on the bracket plate of the double-sided bracket, the elastic sheet strip of the second double-sided conductive elastic sheet is positioned in the elastic sheet mounting hole of the double-sided bracket, and the elastic sheet strip of the second double-sided conductive elastic sheet, which is inclined towards the first surface of the bracket plate of the double-sided bracket, is abutted against the negative electrode end of the first group of electric cores;
The positive electrode ends of the second group of electric cores are arranged in the electric core bearing cavity of the second face of the double-face bracket, and the positive electrode ends of the second group of electric cores are abutted against the elastic sheet strips of the second double-face conductive elastic sheet, which are inclined towards the second face of the bracket plate of the double-face bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode ends of the second group of electric cores are arranged in the electric core bearing cavity of the first surface of the second single-sided bracket, and the negative electrode ends of the second group of electric cores are abutted against the elastic sheet strips of the third double-sided conductive elastic sheet, which are inclined towards the first surface of the bracket plate of the second single-sided bracket;
the second conductive bus bar is arranged on one surface of the second single-sided bracket in a flat plate shape, and the second conductive bus bar is abutted against the elastic sheet bar of the third double-sided conductive elastic sheet, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
a second insulating plate is mounted on the other side of the second conductive bus bar.
When the battery cells are in a plurality of groups, the preparation method of the storage battery comprises the following steps:
providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring piece, a second double-sided conductive spring piece, a third double-sided conductive spring piece, a fourth double-sided conductive spring piece, a first group of electric cores, a second group of electric cores, a first double-sided bracket and a second double-sided bracket, wherein the first double-sided conductive spring piece is up to an N+1th double-sided conductive spring piece, the first group of electric cores, the second group of electric cores are up to an N group of electric cores, and the second double-sided bracket is up to an N-1th double-sided bracket; the first double-sided bracket and the second double-sided bracket all comprise bracket plates until the N-1 th double-sided bracket, a plurality of spring piece mounting holes are formed in the bracket plates, a plurality of battery core bearing cavities are respectively formed in the opposite sides of the bracket plates, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first double-sided conductive spring plate, the second double-sided conductive spring plate, the third double-sided conductive spring plate and the fourth double-sided conductive spring plate all comprise spring plate, a plurality of spring plate holes and positioning holes are formed in the spring plate, a plurality of spring plate strips extending towards the center of the spring plate holes are arranged at the inner edges of the spring plate holes, wherein the spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface, opposite to the first surface, of the spring plate;
Mounting a first conductive bus bar on one side of a first insulating plate;
abutting one flat-shaped surface of the first single-sided bracket against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of a first double-sided conductive spring plate on a support plate of a first single-sided support, positioning a spring strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring strip inclined towards the first surface of the support plate of the first single-sided support with a first conductive busbar;
the positive electrode ends of the first group of electric cores are arranged in an electric core bearing cavity of the first single-sided bracket, and the first ends are abutted against spring piece strips of the first double-sided conductive spring pieces, which incline towards the second surface of the bracket plate of the first single-sided bracket;
the negative electrode end of the first group of electric cores is positioned in the electric core bearing cavity of the first surface of the first double-sided bracket, then the spring plate of the second double-sided conductive spring plate is positioned on the bracket plate of the first double-sided bracket, the spring plate strip of the second double-sided conductive spring plate is positioned in the spring plate mounting hole of the first double-sided bracket, and the spring plate strip of the second double-sided conductive spring plate, which is inclined towards the first surface of the bracket plate of the first double-sided bracket, is abutted against the negative electrode end of the first group of electric cores;
The positive electrode ends of the second group of electric cores are arranged in the electric core bearing cavity of the second face of the first double-face bracket, and the positive electrode ends of the second group of electric cores are abutted against the elastic sheet strips of the second double-face conductive elastic sheets, which are inclined towards the second face of the bracket plate of the first double-face bracket;
with reference to the method for installing the battery cells, the second double-sided bracket is installed at the negative electrode end of the second group of battery cells, and then the fourth double-sided conductive elastic sheet is installed on the second double-sided bracket, and the negative electrode end of the second group of battery cells is abutted against the fourth double-sided conductive elastic sheet;
repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets until the positive electrode end of the N group of electric cores is installed on the N-1 double-sided bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode end of the nth group of electric cores is arranged in an electric core bearing cavity of the first face of the second single-face bracket, and the negative electrode end of the nth group of electric cores is abutted against an elastic sheet strip of the third double-face conductive elastic sheet, which is inclined towards the first face of the bracket plate of the second single-face bracket;
the second conductive bus bar is arranged on one surface of the second single-sided bracket in a flat plate shape, and the second conductive bus bar is abutted against the elastic sheet bar of the third double-sided conductive elastic sheet, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
A second insulating plate is mounted on the other side of the second conductive bus bar.
Referring to fig. 1 to 9, the storage battery prepared by the method at least includes: the first conductive bus bar 10 is connected with the first insulating plate 20, the first single-sided bracket 30 is connected with the first conductive bus bar 10, the first double-sided conductive elastic sheet 31 is arranged on the first single-sided bracket 30, the double-sided bracket 40, the second double-sided conductive elastic sheet 41, the first group of electric cores 50, the second single-sided bracket 60, the second group of electric cores 70, the second conductive bus bar 80 and the second insulating plate 90, the first conductive bus bar 10 is connected with the first insulating plate 20, the first single-sided bracket 30 is connected with the first conductive bus bar 10, the first double-sided conductive elastic sheet 31 is arranged on the first single-sided bracket 30, and the first conductive bus bar 10 is abutted against one side of the first double-sided conductive elastic sheet 31; the second double-sided conductive elastic sheet 41 is mounted on the double-sided bracket 40, the first group of electric cores 50 is mounted between the first single-sided bracket 30 and the double-sided bracket 40, the positive electrode end of the first group of electric cores 50 is mounted on the first single-sided bracket 30 and is abutted against the other side of the first double-sided conductive elastic sheet 31, and the negative electrode end of the first group of electric cores 50 is mounted on the double-sided bracket 40 and is abutted against one side of the second double-sided conductive elastic sheet 41; the third double-sided conductive elastic sheet 61 is mounted on the second single-sided bracket 60, the second group of electric cores 70 is mounted between the double-sided bracket 40 and the second single-sided bracket 60, the positive electrode end of the second group of electric cores 70 is mounted on the double-sided bracket 40 and is abutted against the other side of the second double-sided conductive elastic sheet 41, and the negative electrode end of the second group of electric cores 70 is mounted on the second single-sided bracket 60 and is abutted against one side of the third double-sided conductive elastic sheet 61; the second conductive bus bar 80 is connected to the second single-sided bracket 60 and abuts against the other side of the third double-sided conductive spring 61, and the second insulating plate 90 is connected to the second conductive bus bar 80.
When the electric cores are in multiple groups, the electric core has n+1 double-sided brackets, the positive electrode end of the second group of electric cores 70 is installed on the first double-sided bracket 40, the second double-sided bracket 104 is installed on the second end of the second group of electric cores 50, the first end of the third group of electric cores is installed on the second double-sided bracket 104, the third double-sided bracket is installed on the other end of the third group of electric cores, and the above steps are repeated until the N groups of electric cores are connected, and the second end of the N group of electric cores 70 is installed on the second single-sided bracket 60 and is abutted against one side of the third double-sided conductive elastic sheet 61.
The first insulating plate 20 and the second insulating plate 90 are respectively provided with an insulating plate hole for penetrating the connecting piece. The first conductive bus bar 10 and the second conductive bus bar 80 are provided with second conductive bus bar holes for penetrating the connecting pieces.
The first group of electric cores 50, the second group of electric cores 70 and the nth group of electric cores all comprise a plurality of electric cores, gaps 51 are arranged between the electric cores, and the gaps 51 are used for penetrating through connecting pieces.
Referring to fig. 6 and 7, the first double-sided bracket 40, the second double-sided bracket 104 and the third double-sided bracket have the same structure and each include a bracket plate 42, a plurality of spring plate mounting holes 43 are formed in the bracket plates 42, a plurality of battery cell supporting cavities 44 are respectively formed in opposite sides of the bracket plates 42, each battery cell supporting cavity 44 corresponds to one spring plate mounting hole 43, the double-sided conductive spring plates are mounted in the spring plate mounting holes 43, and the battery cell ends are mounted in the battery cell supporting cavities 44 and abut against the double-sided conductive spring plates in the spring plate mounting holes 43, thereby realizing circuit conduction.
In one embodiment, a plurality of supporting protrusions 45 are disposed on one surface of the support plate 42 between the spring mounting holes 43, and the four adjacent supporting protrusions 45 together form the above-mentioned cell supporting cavity 44. A spring plate mounting location 46 is provided between two adjacent bearing protrusions 45.
The other side of the support plate 42 is provided with integrated supporting protrusions 45 between the spring plate mounting holes 43, and the positions of the supporting protrusions 45 relative to the spring plate mounting holes 43 form a battery cell supporting cavity 44.
Referring to fig. 6, in the present embodiment, several supporting protrusions 45 are protruded from the support plate 42, connecting member holes 47 are formed in the supporting protrusions 45, and after the battery cells are mounted, the supporting protrusions 45 are located in the gaps 51 between the battery cells, and the connecting members penetrate through the connecting member holes 47 to connect the double-sided support with other components.
Referring to fig. 7, when the supporting protrusion 45 is integrally disposed, several parts of the supporting protrusion 45 extend out of the protrusion extension 48, and the protrusion extension 48 is provided with a connector hole 47.
One side of the first single-sided bracket 30 and the second single-sided bracket 60 has the same structure as the first double-sided bracket 40, the second double-sided bracket 104 and the third double-sided bracket, and the other side is not treated, and is planar so as to be connected with the conductive bus bar. That is, the first single-sided bracket 30 and the second single-sided bracket 60 each comprise a bracket plate, a plurality of spring plate mounting holes are formed in the bracket plates, one surface of each bracket plate is a plane, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring plate mounting hole. One surface of the support plate is provided with a plurality of bearing bulges between the spring plate mounting holes, and the four adjacent bearing bulges jointly form the battery core bearing cavity. And a spring plate mounting position is arranged between two adjacent bearing bulges. The support bulges are arranged protruding from the support plate, connecting piece holes are formed in the support bulges, after the battery cell is installed, the support bulges are positioned in gaps between the battery cells, and the connecting pieces penetrate through the connecting piece holes to connect the double-sided support with other parts.
Referring to fig. 8, the first double-sided conductive spring 31, the second double-sided conductive spring 41 and the third double-sided conductive spring all include a spring plate 32, a plurality of spring holes 33 and positioning holes 34 are formed in the spring plate 32, a plurality of spring strips 35 extending toward the center of the spring holes 33 are disposed at the inner edge of the spring holes 33, wherein the plurality of spring strips 35 incline toward the first surface of the spring plate 32, and the remaining spring strips 35 incline toward the second surface of the spring plate 32 opposite to the first surface, thereby forming double-sided springs. The spring plate 32 is mounted on the bracket plate 42 at spring plate mounting locations 46, thereby securing the double sided conductive spring to the double sided bracket. The positioning hole 34 is used for penetrating the connecting piece, so that the double-sided conductive spring sheet is connected with the double-sided bracket and other components.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (12)

1. A method of manufacturing a battery comprising at least two sets of cells, the method comprising the steps of:
mounting a first conductive bus bar on one side of a first insulating plate;
mounting a first single-sided bracket on the other side of the first conductive bus bar;
mounting a first double-sided conductive elastic sheet on the first single-sided bracket, wherein one side of the first double-sided conductive elastic sheet is abutted against the first conductive bus bar;
a first group of electric cores are arranged on the first single-sided bracket, and the positive electrode ends of the first group of electric cores are abutted against the other side of the first double-sided conductive elastic sheet;
installing a double-sided bracket at the negative electrode end of the first group of electric cores, and installing a second double-sided conductive elastic sheet on the double-sided bracket; or the second double-sided conductive elastic sheet is firstly arranged on the double-sided bracket, and then the double-sided bracket is arranged at the negative electrode end of the first group of electric cores; the negative electrode end of the first group of electric cores is abutted against the second double-sided conductive elastic sheet;
a second group of electric cores are arranged on the double-sided bracket, and the positive electrode ends of the second group of electric cores are abutted against the second double-sided conductive elastic sheets;
the third double-sided conductive elastic sheet is arranged on the second single-sided bracket;
Mounting a second group of electric cores on a second single-sided bracket, wherein the negative electrode ends of the second group of electric cores are abutted against the third double-sided conductive elastic sheets;
mounting a second conductive bus bar on one side of a second single-sided bracket;
mounting a second insulating plate on the other side of the second conductive bus bar;
the double-sided bracket comprises a bracket plate, and a plurality of spring piece mounting holes are formed in the bracket plate; a plurality of bearing bulges are arranged between the elastic sheet mounting holes of the support plate;
the first double-sided conductive spring plate, the second double-sided conductive spring plate and the third double-sided conductive spring plate comprise spring plate plates, a plurality of spring plate holes and positioning holes are formed in the spring plate plates, and the positioning holes are used for penetrating the supporting protrusions; the inner edge of the spring plate hole is provided with a plurality of spring plate strips extending towards the center of the spring plate hole, wherein a plurality of spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface of the spring plate opposite to the first surface.
2. The method of manufacturing a battery according to claim 1, wherein when the battery includes a plurality of groups of cells, the method comprises the steps of:
mounting a first conductive bus bar on one side of a first insulating plate;
Mounting a first single-sided bracket on one side of the first conductive bus bar;
mounting a first double-sided conductive elastic sheet on the first single-sided bracket, wherein one side of the first double-sided conductive elastic sheet is abutted against the first conductive bus bar;
a first group of electric cores are arranged on the first single-sided bracket, and the positive electrode ends of the first group of electric cores are abutted against the other side of the first double-sided conductive elastic sheet;
a first double-sided bracket is arranged at the negative electrode end of the first group of electric cores, and a second double-sided conductive elastic sheet is arranged on the first double-sided bracket; or the second double-sided conductive elastic sheet is firstly arranged on the first double-sided bracket, and then the first double-sided bracket is arranged at the negative electrode end of the first group of electric cells; the negative electrode end of the first group of electric cores is abutted against the second double-sided conductive elastic sheet;
a second group of electric cores are arranged on the first double-sided bracket, and the positive electrode ends of the second group of electric cores are abutted against the second double-sided conductive elastic sheets;
mounting a second double-sided bracket at the negative electrode end of the second group of electric cores, and mounting a fourth double-sided conductive elastic sheet on the second double-sided bracket; or the fourth double-sided conductive elastic sheet is firstly arranged on the second double-sided bracket, and then the second double-sided bracket is arranged at the negative electrode end of the second group of electric cells; the negative electrode end of the second group of electric cores is abutted against the fourth double-sided conductive elastic sheet;
Repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets;
the third double-sided conductive elastic sheet is arranged on the second single-sided bracket, the N group of electric cores are arranged on the second single-sided bracket, and the negative electrode end of the N group of electric cores is abutted against the third double-sided conductive elastic sheet;
mounting a second conductive bus bar on one side of a second single-sided bracket;
a second insulating plate is mounted on the other side of the second conductive bus bar.
3. The method of manufacturing a battery according to claim 1, further comprising the steps of:
and connecting the first conductive bus bar, the first insulating plate, the first single-sided bracket, the first group of electric cores, the double-sided bracket, the second group of electric cores, the second single-sided bracket, the second conductive bus bar and the second insulating plate together.
4. The method for manufacturing a secondary battery according to claim 1, comprising the steps of:
providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring plate, a first group of electric cores, a double-sided bracket, a second double-sided conductive spring plate, a second group of electric cores, a second double-sided conductive spring plate and a third double-sided conductive spring plate; a plurality of battery core bearing cavities are respectively formed in the opposite two sides of the support plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole;
Mounting the first conductive bus bar on one side of the first insulating plate;
abutting one surface of the first single-sided bracket, which is flat, against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of the first double-sided conductive spring plate on a support plate of the first single-sided support, positioning a spring plate strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring plate strip inclined towards the first surface of the support plate of the first single-sided support by the first double-sided conductive spring plate;
the positive electrode end of the first group of electric cores is arranged in an electric core bearing cavity of the first single-sided bracket, and the first end is abutted against an elastic piece strip of the first double-sided conductive elastic piece, which is inclined towards the second surface of the bracket plate of the first single-sided bracket;
positioning the negative electrode end of the first group of electric cores in an electric core bearing cavity of the first surface of the double-sided bracket, positioning an elastic sheet plate of the second double-sided conductive elastic sheet on a bracket plate of the double-sided bracket, positioning an elastic sheet strip of the second double-sided conductive elastic sheet in an elastic sheet mounting hole of the double-sided bracket, and abutting the elastic sheet strip inclined towards the first surface of the bracket plate of the double-sided bracket against the negative electrode end of the first group of electric cores;
The positive electrode ends of the second group of electric cores are arranged in an electric core bearing cavity of the second face of the double-face bracket, and the positive electrode ends of the second group of electric cores are abutted against spring piece strips of the second double-face conductive spring pieces, which incline towards the second face of the bracket plate of the double-face bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode end of the second group of electric cores is arranged in an electric core bearing cavity of the first surface of the second single-sided bracket, and the negative electrode end of the second group of electric cores is abutted against an elastic piece strip of the third double-sided conductive elastic piece, which is inclined towards the first surface of the bracket plate of the second single-sided bracket;
the second conductive bus bar is arranged on one surface of the second single-sided bracket, which is flat, and the second conductive bus bar is abutted against the spring piece strip of the third double-sided conductive spring piece, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
the second insulating plate is mounted on the other side of the second conductive bus bar.
5. The method for manufacturing a storage battery according to claim 4, wherein:
Providing a first insulating plate, a second insulating plate, a first conductive bus bar, a second conductive bus bar, a first single-sided bracket, a second single-sided bracket, a first double-sided conductive spring piece, a second double-sided conductive spring piece, a third double-sided conductive spring piece, a fourth double-sided conductive spring piece, a first group of electric cores, a second group of electric cores, a first double-sided bracket and a second double-sided bracket, wherein the first double-sided conductive spring piece is up to an N+1th double-sided conductive spring piece, the first group of electric cores, the second group of electric cores are up to an N group of electric cores, and the second double-sided bracket is up to an N-1th double-sided bracket; the first double-sided bracket and the second double-sided bracket all comprise bracket plates until the N-1 th double-sided bracket, a plurality of spring piece mounting holes are formed in the bracket plates, a plurality of battery core bearing cavities are respectively formed in opposite sides of the bracket plates, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first single-sided bracket and the second single-sided bracket comprise bracket plates, a plurality of spring piece mounting holes are formed in the bracket plates, one surface of each bracket plate is in a flat plate shape, a plurality of battery core bearing cavities are formed in the other surface of each bracket plate, and each battery core bearing cavity corresponds to one spring piece mounting hole; the first double-sided conductive spring plate, the second double-sided conductive spring plate, the third double-sided conductive spring plate and the fourth double-sided conductive spring plate all comprise spring plate plates;
Mounting the first conductive bus bar on one side of a first insulating plate;
abutting one surface of the first single-sided bracket, which is flat, against the first conductive bus bar so that the first single-sided bracket is arranged on the other side of the first conductive bus bar;
positioning a spring plate of the first double-sided conductive spring plate on a support plate of the first single-sided support, positioning a spring plate strip of the first double-sided conductive spring plate in a spring plate mounting hole of the first single-sided support, and abutting the spring plate strip inclined towards the first surface of the support plate of the first single-sided support by the first double-sided conductive spring plate;
the positive electrode end of the first group of electric cores is arranged in an electric core bearing cavity of the first single-sided bracket, and the first end is abutted against an elastic piece strip of the first double-sided conductive elastic piece, which is inclined towards the second surface of the bracket plate of the first single-sided bracket;
positioning the negative electrode end of the first group of electric cores in an electric core bearing cavity of the first surface of the first double-sided bracket, positioning the spring plate of the second double-sided conductive spring plate on the bracket plate of the first double-sided bracket, positioning the spring plate strip of the second double-sided conductive spring plate in the spring plate mounting hole of the first double-sided bracket, and abutting the spring plate strip inclined towards the first surface of the bracket plate of the first double-sided bracket with the negative electrode end of the first group of electric cores;
The positive electrode end of the second group of electric cores is arranged in an electric core bearing cavity of the second face of the first double-face bracket, and the positive electrode end of the second group of electric cores is abutted against an elastic piece strip of the second double-face conductive elastic piece, which is inclined towards the second face of the bracket plate of the first double-face bracket;
the second double-sided bracket is arranged at the negative electrode end of the second group of electric cells, the fourth double-sided conductive elastic sheet is arranged on the second double-sided bracket, and the negative electrode end of the second group of electric cells is abutted against the fourth double-sided conductive elastic sheet;
repeatedly installing N groups of electric cores through N-1 double-sided brackets, and respectively installing a double-sided conductive elastic sheet on the N-1 double-sided brackets until the positive electrode of the N group of electric cores is installed on the N-1 double-sided bracket;
positioning the spring plate of the third double-sided conductive spring plate on the support plate of the second single-sided support, positioning the spring plate strip of the third double-sided conductive spring plate in the spring plate mounting hole of the second single-sided support,
the negative electrode end of the nth group of electric cores is arranged in an electric core bearing cavity of the first face of the second single-face bracket, and the negative electrode end of the nth group of electric cores is abutted against an elastic piece strip of the third double-face conductive elastic piece, which is inclined towards the first face of the bracket plate of the second single-face bracket;
The second conductive bus bar is arranged on one surface of the second single-sided bracket, which is flat, and the second conductive bus bar is abutted against the spring piece strip of the third double-sided conductive spring piece, which is inclined towards the second surface of the bracket plate of the second single-sided bracket;
the second insulating plate is mounted on the other side of the second conductive bus bar.
6. A storage battery, characterized by comprising at least:
a first insulating plate;
a first conductive bus bar connected to the first insulating plate;
the first single-sided bracket is connected with the first conductive busbar, a first double-sided conductive elastic sheet is arranged on the first single-sided bracket, and the first conductive busbar is abutted against one side of the first double-sided conductive elastic sheet;
the double-sided bracket is provided with a second double-sided conductive elastic sheet;
the first group of electric cores are arranged between the first single-sided bracket and the double-sided bracket, the positive electrode ends of the first group of electric cores are arranged on the first single-sided bracket and are abutted against the other side of the first double-sided conductive elastic sheet, and the negative electrode ends of the first group of electric cores are arranged on the double-sided bracket and are abutted against one side of the second double-sided conductive elastic sheet;
The second single-sided bracket is provided with a third double-sided conductive elastic sheet;
the second group of electric cores are arranged between the double-sided bracket and the second single-sided bracket, the positive electrode ends of the second group of electric cores are arranged on the double-sided bracket and are abutted against the other side of the second double-sided conductive elastic sheet, and the negative electrode ends of the second group of electric cores are arranged on the second single-sided bracket and are abutted against one side of the third double-sided conductive elastic sheet;
the second conductive bus bar is connected with the second single-sided bracket and abuts against the other side of the third double-sided conductive elastic sheet;
a second insulating plate connected to the second conductive bus bar;
the double-sided bracket comprises a bracket plate, and a plurality of spring piece mounting holes are formed in the bracket plate; a plurality of bearing bulges are arranged between the elastic sheet mounting holes of the support plate;
the first double-sided conductive spring plate, the second double-sided conductive spring plate and the third double-sided conductive spring plate comprise spring plate plates, a plurality of spring plate holes and positioning holes are formed in the spring plate plates, and the positioning holes are used for penetrating the supporting protrusions; the inner edge of the spring plate hole is provided with a plurality of spring plate strips extending towards the center of the spring plate hole, wherein a plurality of spring plate strips incline towards the first surface of the spring plate, and the rest spring plate strips incline towards the second surface of the spring plate opposite to the first surface.
7. The battery of claim 6, wherein the battery comprises N groups of cells, the N groups of cells are sequentially and respectively mounted on N-1 groups of the double-sided supports according to positive and negative poles, and a double-sided conductive spring piece with the same structure as the first double-sided conductive spring piece, the second double-sided conductive spring piece and the third double-sided conductive spring piece is respectively mounted on the N-1 groups of the double-sided supports.
8. The battery of claim 6 or 7, wherein the first conductive buss bar, the first insulating plate, the first single-sided support, the first set of cells, the double-sided support, the second set of cells, the second single-sided support, the second conductive buss bar, and the second insulating plate are connected by a connector.
9. The battery according to claim 6 or 7, wherein a plurality of cell support cavities are respectively formed on opposite sides of the support plate, and each cell support cavity corresponds to one of the spring plate mounting holes.
10. The battery of claim 9, wherein the support plate is provided with a plurality of support protrusions between the spring mounting holes, and four adjacent support protrusions together form the battery cell support cavity; and a spring plate mounting position is arranged between two adjacent bearing bulges.
11. The battery of claim 10, wherein the first and second groups of cells each comprise a plurality of cells with a space therebetween; wherein, a plurality of the supporting bulges are protruded out of the support plate, and connecting piece holes are formed in the supporting bulges.
12. The battery of claim 10, wherein the spring plate is mounted to the bracket plate at a spring plate mounting location.
CN201810752072.XA 2018-07-10 2018-07-10 Storage battery and preparation method thereof Active CN108598549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810752072.XA CN108598549B (en) 2018-07-10 2018-07-10 Storage battery and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810752072.XA CN108598549B (en) 2018-07-10 2018-07-10 Storage battery and preparation method thereof

Publications (2)

Publication Number Publication Date
CN108598549A CN108598549A (en) 2018-09-28
CN108598549B true CN108598549B (en) 2023-09-29

Family

ID=63618094

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810752072.XA Active CN108598549B (en) 2018-07-10 2018-07-10 Storage battery and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108598549B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767167A (en) * 2018-08-03 2018-11-06 梁坎清 Accumulator and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2809945Y (en) * 2005-07-08 2006-08-23 普立尔科技股份有限公司 A battery spring structure
CN104037372A (en) * 2014-06-30 2014-09-10 惠州亿纬锂能股份有限公司 Battery connection structure assembly and storage battery pack provided with same
CN205248355U (en) * 2015-12-27 2016-05-18 深圳市沃特玛电池有限公司 A shell fragment for group battery series board
CN205944223U (en) * 2016-07-26 2017-02-08 赛恩斯能源科技有限公司 Device that battery is connected
CN206602137U (en) * 2017-04-02 2017-10-31 河南锂想动力科技有限公司 A kind of mounting structure for battery modules
CN206673014U (en) * 2017-03-21 2017-11-24 河南锂想动力科技有限公司 A kind of eight pawl shell fragments for battery series-parallel connection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2809945Y (en) * 2005-07-08 2006-08-23 普立尔科技股份有限公司 A battery spring structure
CN104037372A (en) * 2014-06-30 2014-09-10 惠州亿纬锂能股份有限公司 Battery connection structure assembly and storage battery pack provided with same
CN205248355U (en) * 2015-12-27 2016-05-18 深圳市沃特玛电池有限公司 A shell fragment for group battery series board
CN205944223U (en) * 2016-07-26 2017-02-08 赛恩斯能源科技有限公司 Device that battery is connected
CN206673014U (en) * 2017-03-21 2017-11-24 河南锂想动力科技有限公司 A kind of eight pawl shell fragments for battery series-parallel connection
CN206602137U (en) * 2017-04-02 2017-10-31 河南锂想动力科技有限公司 A kind of mounting structure for battery modules

Also Published As

Publication number Publication date
CN108598549A (en) 2018-09-28

Similar Documents

Publication Publication Date Title
CN102263301B (en) Battery module
KR101341474B1 (en) Electric energy storage device assembly and fabricating method thereof
KR20070014676A (en) Secondary battery module
US20130244091A1 (en) Battery Cell, Battery Cell Module, Method for Producing a Battery Cell Module and Motor Vehicle
CN108598549B (en) Storage battery and preparation method thereof
KR101490054B1 (en) Ultracapacitor Module Using PCB assembly And The Manufacturing Method of it
KR20120022220A (en) High-voltage battery with integrated battery connector
CN219873871U (en) Lithium battery module installation component
CN210429949U (en) Battery pack and electric bicycle
CN219457891U (en) Battery assembly
CN117438717A (en) Heat conduction structure battery shell, battery top cover, battery cell and battery module
KR20060118798A (en) Secondary battery module
CN215816264U (en) Battery module and electronic equipment
EP4365921A1 (en) Capacitor module and motor inverter
CN213845422U (en) Lithium ion battery module
CN111785885B (en) Battery pack and electric device
CN210136944U (en) Battery pack connecting and fixing device
CN212907959U (en) Battery module and electric automobile
CN218975677U (en) Battery module
CN218300145U (en) Battery device
CN211125799U (en) Arrange board of assembly battery
CN219246859U (en) Battery module and battery pack
CN216288787U (en) Mounting structure and vehicle of battery package
CN221379624U (en) Energy storage device and electric equipment
CN217507575U (en) Battery connector group, battery and electric device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant