CN210136944U - Battery pack connecting and fixing device - Google Patents
Battery pack connecting and fixing device Download PDFInfo
- Publication number
- CN210136944U CN210136944U CN201921406351.7U CN201921406351U CN210136944U CN 210136944 U CN210136944 U CN 210136944U CN 201921406351 U CN201921406351 U CN 201921406351U CN 210136944 U CN210136944 U CN 210136944U
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- battery
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- battery pack
- pcb
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery pack connecting and fixing device, which comprises a conductive connecting component and a battery fixing component; the conductive connection assembly comprises a double-battery connection piece and a single-battery connection piece, the battery fixing assembly comprises battery fixing pieces fixed at two ends of the battery pack, and limiting columns attached to the outer peripheral surfaces of two adjacent batteries are arranged between the two corresponding adjacent batteries. The battery pack connecting and fixing device can connect the battery packs consisting of a plurality of batteries in series for electrification and fix the battery packs so as to improve the conductive stability and the installation firmness of the battery packs. Spacing post card on the battery stationary blade prevents that the battery from shifting between adjacent battery, improves the stability of whole group battery installation.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to fixing device is connected to group battery.
Background
The battery is used as an energy source, can obtain current with stable voltage and stable current, stably supplies power for a long time and is slightly influenced by the outside, has simple structure, convenient carrying, simple and easy charging and discharging operation, is not influenced by the outside climate and temperature, has stable and reliable performance, plays an important role in various aspects of modern social life, and occupies a large proportion in the use of electric energy.
In order to realize the mass production of the battery, people often need to install and connect a plurality of module batteries together; in order to achieve the required voltage or current. The module battery is usually designed in a three-dimensional shape, and the positive and negative electrodes thereof are respectively arranged at the diagonal positions of the bottom surface or the upper surface. Usually, the positive and negative electrodes of the battery are connected with the battery pole piece through a connecting sheet and are used as leading-out terminals to play a role in conduction. For high power batteries, a battery tab set is required. In the prior art, after the battery pack is used for a long time, the structure is unstable, the conductivity of a battery connecting sheet for conducting is poor, and the normal power supply of the battery is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a battery pack connecting and fixing device which can improve the stability and firmness of the series connection of the battery packs; the specific technical scheme is as follows:
a battery pack connecting and fixing device comprises a conductive connecting component and a battery fixing component; the conductive connecting assembly comprises a double-battery connecting sheet and a single-battery connecting sheet, double connecting parts connected with battery electrodes are arranged at two ends of the double-battery connecting sheet, and a first conductive part extending outwards is arranged at the edge of the double connecting part at one end of the double-battery connecting sheet; the single connecting part is arranged on the single cell connecting sheet, the edge of the single connecting part is provided with a second conductive part extending outwards, and a plurality of conductive contacts are uniformly arranged on the surfaces of the double connecting part and the single connecting part; the battery fixing component comprises battery fixing pieces fixed at two ends of the battery pack, and limiting columns attached to the outer peripheral surfaces of the two adjacent batteries are arranged between the two adjacent batteries corresponding to the battery fixing pieces.
Among this technical scheme, fixing device is connected to the group battery can carry out the circular telegram of establishing ties and fix the group battery with the group battery that a plurality of batteries constitute to improve the fastness of group battery conductive stability and installation. The conductive connecting assembly can be electrically connected with the electrodes of the batteries, the double connecting parts at two ends of the double-battery connecting sheet can be fixed at the end part of a corresponding battery, and the conductive contacts arranged on the double connecting parts are electrically connected with the electrodes of the batteries; similarly, the single connection part on the monocell connection plate can also be fixed at the end part of the cell and electrically connected with the electrode of the cell through the conductive contact, and the double cell connection plate and the monocell connection plate can be fixed at the end part of the cell in a welding mode when being installed.
After each battery of group battery passes through the double cell connection piece or the monocell connection piece is established ties, the whole group battery can be fixed to the battery stationary blade that sets up at the group battery both ends, and spacing post card on the battery stationary blade prevents that the battery from shifting between adjacent battery, improves the stability of whole group battery installation.
Preferably, the double connection part of the double cell connection sheet and the single connection part of the single cell connection sheet are provided with relief grooves.
The preferable technical scheme is characterized in that a PCB (printed circuit board) conducting plate is further fixed on the outer surface of the battery fixing piece arranged at one end of the battery pack, and a first conducting part of the double-battery connecting piece and a second conducting part of the single-battery connecting piece which are arranged at the same side of the PCB conducting plate are both electrically connected with the PCB conducting plate.
The preferable technical scheme is characterized in that a mounting groove for the first conductive part and the second conductive part to pass through is formed in the surface, where the PCB conductive plate is mounted, of the battery fixing piece, and the first conductive part and the second conductive part are electrically connected with the PCB conductive plate after passing through the mounting groove.
The preferable technical scheme is characterized in that the PCB is provided with a conductive chuck.
The preferable technical scheme is characterized in that a plurality of positioning columns are arranged on the surface edge of the battery fixing piece provided with the PCB conducting plate, and a positioning hole matched with the corresponding positioning column in an inserting mode is formed in the PCB conducting plate.
The preferable technical scheme is characterized in that the double-battery connecting sheet and the single-battery connecting sheet are formed by punching and molding nickel sheets. Because the material that uses is pure nickel, the chemical property of nickel strap is stable, and is able to bear the oxidation in the air, and the battery connection piece after cutting the nickel strap punching press can use spot welder spot welding, and safe pleasing to the eye and efficient, and battery connection piece product is generally after spot welding is gone to the battery, and occupation space is little but the surface contact face is wide.
The utility model has the advantages that: the battery pack connecting and fixing device can connect the battery packs consisting of a plurality of batteries in series for electrification and fix the battery packs, and improves the conductive stability and mounting firmness of the battery packs. The conductive connection assembly can be electrically connected with the electrodes of the batteries, and after each battery of the battery pack is connected in series through the double-battery connecting sheet or the single-battery connecting sheet, the battery fixing sheet can fix the whole battery pack, so that the battery is prevented from shifting, and the installation stability of the whole battery pack is improved. The utility model discloses rational in infrastructure, electrically conductive stability is high, has higher practical value.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is an exploded view of a battery pack connection fixing device according to an embodiment.
Fig. 2 is a perspective view of a battery pack connection and fixation device according to an embodiment.
The meanings indicated by the respective reference numerals are as follows; the battery comprises a double-battery connecting sheet 100, a first conductive part 110, a single-battery connecting sheet 200, a second conductive part 210, a conductive contact 300, a material reducing groove 400, a battery fixing sheet 500, a positioning column 600, a limiting column 700, a PCB conductive plate 800, a positioning hole 810, a conductive chuck 900, a battery pack 1000 and a conductive wire 1100.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.
As shown in fig. 1 and fig. 2, in an embodiment, the present invention provides a battery pack connecting and fixing device, which mainly includes a conductive connecting assembly and a battery fixing assembly; the battery pack connection fixing device can connect the battery pack 1000 composed of a plurality of batteries in series and electrify the battery pack 1000 and fix the battery pack 1000, so that the conductive stability and the installation firmness of the battery pack 1000 are improved. The conductive connection assembly comprises a double-battery connection sheet 100 and a single-battery connection sheet 200, wherein double connection parts connected with battery electrodes are arranged at two ends of the double-battery connection sheet 100, and a first conductive part 110 extending outwards is arranged at the edge of the double connection part at one end of the double-battery connection sheet 100; the single connecting part is arranged on the single cell connecting sheet 200, the edge of the single connecting part is provided with a second conductive part 210 extending outwards, and a plurality of conductive contacts 300 are uniformly arranged on the surfaces of the double connecting part and the single connecting part; the conductive connection assembly may be electrically connected with electrodes of the batteries, the double connection parts at both ends of the dual battery connection tab 100 may be fixed at the end of a corresponding one of the batteries, and the conductive contacts 300 disposed on the double connection parts are electrically connected with the electrodes of the batteries; similarly, the single connection part of the single cell connecting plate 200 may be fixed to the end of the cell and electrically connected to the electrode of the cell through the conductive contact 300, in an embodiment, the battery pack 1000 includes three cells arranged in parallel, and the double cell connecting plates 100 and the single cell connecting plates 200 at both ends of the battery pack 1000 are fixed to the end of the cell by welding.
As shown in fig. 1 and 2, the battery fixing assembly includes a battery fixing plate 500 fixed at both ends of the battery pack 1000, and a stopper 700 attached to the outer circumferential surfaces of two adjacent batteries is provided between the battery fixing plate 500 and the two adjacent batteries. After the batteries of the battery pack 1000 are connected in series through the dual battery connection sheet 100 or the single battery connection sheet 200, the battery fixing sheets 500 arranged at the two ends of the battery pack 1000 can fix the whole battery pack 1000, and the limiting columns 700 on the battery fixing sheets 500 are clamped between the adjacent batteries to prevent the batteries from shifting, thereby improving the installation stability of the whole battery pack 1000.
In this embodiment, the relief groove 400 is provided at the double connection portion of the double cell connection tab 100 and the single connection portion of the single cell connection tab 200. The material reducing groove 400 can form a notch on the double-connection part and the single-connection part, so that the flexibility of the double-connection part and the single-connection part is improved, and welding and fixing are facilitated. The material reducing groove 400 has another function of preventing the battery connecting sheet from blocking the electrode terminal exhaust hole of the battery, the material reducing groove 400 reduces the area of the contact surface of the battery connecting sheet and the electrode terminal exhaust hole of the battery, and the battery connecting sheet is prevented from blocking the hole of the electrode terminal, so that the exhaust is smooth, and the battery pack 1000 is normally used.
As shown in fig. 1 and 2, in order to connect a plurality of battery packs 1000 in series as needed when the battery pack 1000 is used, in the present embodiment, a PCB conductive plate 800 is further fixed to an outer surface of a battery fixing piece 500 provided at one end of the battery pack 1000, and both a first conductive part 110 of a dual battery connection tab 100 and a second conductive part 210 of a single battery connection tab 200 disposed on the same side as the PCB conductive plate 800 are electrically connected to the PCB conductive plate 800. The PCB is electrically connected to the first conductive part 110 and the second conductive part 210, so that each battery pack 1000 can be connected in series for use, in order to ensure that the first conductive part 110 and the second conductive part 210 are electrically connected to the PCB after penetrating through the battery fixing sheet 500, a mounting groove for the first conductive part and the second conductive part 210 to penetrate through is formed in the surface of the battery fixing sheet 500 where the PCB conductive plate 800 is mounted, and the first conductive part and the second conductive part 210 are electrically connected to the PCB conductive plate 800 after penetrating through the mounting groove. In the connection technique of the battery pack 1000, the battery pack 1000 is close to one end of the PCB conductive plate 800 and is electrically connected to the PCB by the first conductive part 110 and the second conductive part 210, and a battery connection tab at one end of the battery pack 1000 away from the PCB conductive plate 800 may be connected to the PCB conductive plate 800 by a conductive wire. Further, a conductive clip 900 is provided on the PCB. When a plurality of battery packs 1000 are connected in series for use, the connection can be performed through the conductive clip 900, thereby improving the convenience of the series connection of the battery packs 1000.
As shown in fig. 1 and 2, in order to improve the stability of the installation of the PCB conductive plate 800, a plurality of positioning posts 600 are disposed on the edge of the surface of the battery fixing plate 500 where the PCB conductive plate 800 is installed, and a positioning hole 810 inserted and matched with a corresponding one of the positioning posts 600 is disposed on the PCB conductive plate 800. Thus, after the PCB conductive plate 800 is fixed on the battery fixing plate, the positioning column 600 is in butt-joint fit with the positioning hole 810, so that the PCB conductive plate 800 is prevented from deviating.
As shown in fig. 1 and 2, the dual cell connection tab 100 and the single cell connection tab 200 are electrically connected to the battery electrode, and it is necessary to ensure good lead effect, chemical stability, and oxidation resistance, so the dual cell connection tab 100 and the single cell connection tab 200 are preferably formed by stamping using nickel sheets. The chemical property of nickel is stable, and is able to resist oxidation in the air, and spot welding can be used to punch the single cell connecting sheet 200 and the double cell connecting sheet 100, so it is safe, beautiful and efficient, the occupied space is small and the surface contact surface is wide, and the conductive stability can be improved.
In the specification of the present invention, a large number of specific details are explained. It can be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a fixing device is connected to group battery which characterized in that: comprises that
The conductive connection assembly comprises a double-battery connection sheet (100) and a single-battery connection sheet (200), double connection parts connected with battery electrodes are arranged at two ends of the double-battery connection sheet (100), and a first conductive part (110) extending outwards is arranged at the edge of the double connection part at one end of the double-battery connection sheet (100); a single connecting part is arranged on the single cell connecting sheet (200), a second conductive part (210) extending outwards is arranged at the edge of the single connecting part, and a plurality of conductive contacts (300) are uniformly arranged on the surfaces of the double connecting part and the single connecting part;
a battery securing assembly; the battery fixing assembly comprises battery fixing pieces (500) fixed at two ends of the battery pack (1000), and limiting columns (700) attached to the outer peripheral surfaces of two adjacent batteries are arranged between the corresponding adjacent two batteries of the battery fixing pieces (500).
2. The battery pack attachment fixture of claim 1, wherein: and the double connecting parts of the double-battery connecting pieces (100) and the single connecting parts of the single-battery connecting pieces (200) are provided with relief grooves (400).
3. The battery pack attachment fixture of claim 1, wherein: and a PCB (printed circuit board) conductive plate (800) is further fixed on the outer surface of the battery fixing piece (500) arranged at one end of the battery pack (1000), and a first conductive part (110) of the double-battery connecting piece (100) and a second conductive part (210) of the single-battery connecting piece (200) which are arranged at the same side of the PCB conductive plate (800) are electrically connected with the PCB conductive plate (800).
4. The battery pack attachment fixture of claim 3, wherein: the surface that PCB conductive plate (800) is installed to battery fixing piece (500) is equipped with the mounting groove that supplies first electrically conductive portion (110) and second electrically conductive portion (210) to pass, first electrically conductive portion (110) and second electrically conductive portion (210) pass behind the mounting groove and are connected with PCB conductive plate (800) electricity.
5. The battery pack attachment fixture of claim 3, wherein: and the PCB is provided with a conductive chuck (900).
6. The battery pack attachment fixture of claim 3, wherein: the battery fixing piece (500) is provided with a plurality of positioning columns (600) on the surface edge of the PCB conducting plate (800), and the PCB conducting plate (800) is provided with a positioning hole (810) which is in plug-in fit with one corresponding positioning column (600).
7. The battery pack attachment fixture of claim 1, wherein: the double-battery connecting piece (100) and the single-battery connecting piece (200) are formed by punching nickel sheets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921406351.7U CN210136944U (en) | 2019-08-28 | 2019-08-28 | Battery pack connecting and fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921406351.7U CN210136944U (en) | 2019-08-28 | 2019-08-28 | Battery pack connecting and fixing device |
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CN210136944U true CN210136944U (en) | 2020-03-10 |
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CN201921406351.7U Active CN210136944U (en) | 2019-08-28 | 2019-08-28 | Battery pack connecting and fixing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115133193A (en) * | 2021-03-26 | 2022-09-30 | 米沃奇电动工具公司 | Battery cell separator |
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2019
- 2019-08-28 CN CN201921406351.7U patent/CN210136944U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115133193A (en) * | 2021-03-26 | 2022-09-30 | 米沃奇电动工具公司 | Battery cell separator |
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