CN201820825U - Parallel connection structure of battery and battery pack provided with same - Google Patents
Parallel connection structure of battery and battery pack provided with same Download PDFInfo
- Publication number
- CN201820825U CN201820825U CN201020566234XU CN201020566234U CN201820825U CN 201820825 U CN201820825 U CN 201820825U CN 201020566234X U CN201020566234X U CN 201020566234XU CN 201020566234 U CN201020566234 U CN 201020566234U CN 201820825 U CN201820825 U CN 201820825U
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- hole
- battery
- parallel
- connection structure
- negative electrode
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- 239000002184 metal Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000007769 metal material Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Classifications
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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 provides a parallel connection structure of a battery and a battery pack provided with the structure. The parallel connection structure of the battery is used for connecting a plurality of battery units in parallel into the battery pack; each battery unit is provided with a positive electrode guide connecting hole and a negative electrode guide connecting hole; the parallel connection structure comprises electrical conductive connecting sheets, two flexible metallic braid tapes and electrical conductive locking components, wherein, a through-hole and a fastening part are arranged on each electrical conductive connecting sheet; the electrical conductive locking components pass through the through-holes and are locked in the positive electrode guide connecting hole or the negative electrode guide connecting hole; and the two flexible metallic braid tapes are respectively and continuously positioned at the fastening parts of the electrical conductive connecting sheets on the positive electrode guide connecting hole and the negative electrode guide connecting hole in a penetrating manner, so that the two flexible metallic braid tapes can be respectively and electrically connected in parallel with the plurality of battery units. As the flexible metallic braid tapes have low impedance and high flexibility and can be easily assembled, the electrical conduction efficiency and the shock resistance of the battery pack can be improved. Furthermore, the utility model provides the battery pack provided with the parallel connection structure.
Description
Technical field
The utility model relates to a kind of battery, relates in particular to a kind of parallel-connection structure of battery and has the battery pack of this structure.
Background technology
Along with making rapid progress of science and technology, increasing electronic mobile apparatus is developed, these electronic mobile apparatus all are equipped with a battery with the supply required electric power, and therefore, the manufacturer of electronic mobile apparatus actively develops the battery with high-capacitance and electric power longer duration invariably.
For instance, midget plant such as mobile phone can be from the capacitance of single battery unit and the effective times of this battery unit of output estimation.As for large-scale plant such as laptop computer or electric motor car etc., just must rely on high electric current output and could supply required electric power than the battery pack of high capacitance, this battery pack is to comprise that a plurality of battery units are one another in series and/or the battery structure of parallel connection.
Traditionally, utilize screw that a plurality of metallic conduction braces are locked on the positive electrode plate and negative electrode plate of battery, and reach electrical series connection and/or effect in parallel; But, because electrical path discontinuous, and cause whole impedance higher between screw, metallic conduction brace and positive electrode plate or the negative electrode plate, in case impedance raises, then certainly will consume the voltage and the electric current of battery; And if arbitrary surperficial Yin Gaowen of screw, metallic conduction brace and positive electrode plate or negative electrode plate or moisture and oxidation corrosion, then the impedance of whole electrical path more can significantly increase.
On the other hand, because the metallic conduction brace is flexible little,, cooperate otherwise be not easy assembling so when positive electrode that connects battery and negative electrode, the precision size degree between the three is had relatively high expectations; In addition, also,, even can make originally that being electrically connected of each battery unit gets loose phenomenon so when shaking if whole battery group is subjected to ectocine, the shock resistance of metallic conduction sheet is relatively poor because the metallic conduction brace does not have flexiblely.
Therefore, how to solve the above problems a little, promptly become the improved target of the utility model.
The utility model content
A purpose of the present utility model is to provide a kind of parallel-connection structure of battery, and its impedance is low, flexible good, shock resistance is excellent and easy assembling.
Another purpose of the present utility model is to provide a kind of battery pack, and its impedance is low, flexible good, shock resistance is excellent and easy assembling.
To achieve the above object, the utility model provides a kind of parallel-connection structure of battery, and in order to a plurality of battery units and be unified into a battery pack, each described battery unit has that a positive electrode connects the hole and a negative electrode connects the hole, it is characterized in that this parallel-connection structure comprises:
A plurality of conductive connecting pieces respectively form a through hole and a fastening part, and these a plurality of conductive connecting pieces align respectively and are arranged at that described positive electrode connects the hole and described negative electrode connects on the hole;
Two flexible metal braid over braids, continuously serial connection is positioned at described positive electrode and connects a plurality of fastening parts that hole and described negative electrode connect these a plurality of conductive connecting pieces on the hole respectively; And
A plurality of conduction locked assemblies, a plurality of through holes of cross-under and be locked in that described positive electrode connects the hole and described negative electrode connects in the hole respectively are so that this two flexible metals braid over braid electrical described battery unit in parallel respectively.
The parallel-connection structure of above-mentioned battery, wherein, each this conductive connecting piece is respectively conductive metallic material spare and comprises a lamellar body, this through hole and this fastening part take shape on this lamellar body, this fastening part comprises from this lamellar body and bends a block wall of extension and two press strips that bend in opposite directions from these block wall both sides up, and this flexible metal braid over braid is by between this block wall and this two press strip and fastening by this two press strips institute.
The parallel-connection structure of above-mentioned battery, wherein, this flexible metal braid over braid is that many copper conductors form with netted interlace mode braiding.
The parallel-connection structure of above-mentioned battery, wherein, described positive electrode connects the hole and this negative electrode connects the inner bolt hole that the hole is respectively conductive metallic material spare.
The parallel-connection structure of above-mentioned battery, wherein, each conduction locked assembly is respectively conductive metallic material spare, and comprise and connect hole or this negative electrode with this positive electrode and connect a external thread part that the hole is spirally connected mutually, and be connected a top board of this external thread part, the diameter of this top board is greater than the diameter of this external thread part, and this top board forms electrically conducting by this lamellar body that presses this conductive metal sheet.
In order to achieve the above object, the utility model also provides a kind of battery pack with parallel-connection structure, comprising:
A plurality of battery units, each this battery unit have that a positive electrode connects the hole and a negative electrode connects the hole; And
Connect structure in the lump, this parallel-connection structure further comprises:
A plurality of conductive connecting pieces respectively form a through hole and a fastening part, and these a plurality of conductive connecting pieces align respectively and are arranged at these a plurality of positive electrodes and connect hole and these a plurality of negative electrodes and connect on the hole;
Two flexible metal braid over braids, continuously serial connection is positioned at these a plurality of positive electrodes and connects a plurality of fastening parts that hole and this a plurality of negative electrodes connect these a plurality of conductive connecting pieces on the hole respectively; And
A plurality of conduction locked assemblies, a plurality of through holes of cross-under and be locked in that described positive electrode connects the hole and described negative electrode connects in the hole respectively are so that this two flexible metals braid over braid these a plurality of battery units electrically in parallel respectively.
Above-mentioned battery pack with parallel-connection structure, wherein, each this battery unit comprises a shell, this positive electrode connects the hole and this negative electrode connects the end face that the hole is separately positioned on this shell, this positive electrode connects the hole and this negative electrode connects the inner bolt hole that the hole is conductive metallic material spare, and each this conductive connecting piece aligns that this positive electrode connects that hole or this negative electrode connect the hole and this outer casing top surface of being arranged on this battery unit with this through hole respectively.
Above-mentioned battery pack with parallel-connection structure, wherein, each this conductive connecting piece is respectively conductive metallic material spare and comprises a lamellar body, this through hole and this fastening part take shape on this lamellar body, this fastening part comprises from this lamellar body and bends a block wall of extension and two press strips that bend in opposite directions from these block wall both sides up, and this flexible metal braid over braid is by between this block wall and this two press strip and fastening by this two press strips institute.
The above-mentioned battery pack with parallel-connection structure, wherein, this flexible metal braid over braid is that many copper conductors form with netted interlace mode braiding.
Above-mentioned battery pack with parallel-connection structure, wherein, each this conduction locked assembly is respectively conductive metallic material spare, and comprise and connect hole or this negative electrode with this positive electrode and connect a external thread part that the hole is spirally connected mutually, and be connected a top board of this external thread part, the diameter of this top board is greater than the diameter of this external thread part, and this top board forms electrically conducting by this lamellar body that presses this conductive metal sheet.
Compared to prior art, the utlity model has following effect:
Because the utility model utilizes the flexible metal braid over braid to connect the positive electrode and the negative electrode of a plurality of battery units in the mode of continuous serial connection, so does not interrupt in the electrical conductivity path between these battery units, this flexible metal braid over braid is to be formed with netted interlace mode braiding by many copper conductors, its surface can Yin Gaowen or moisture and oxidation corrosion, so impedance phase is when low and conductivity is improved; Therefore, utilize the continuous serial connection of flexible metal braid over braid, these battery units can reach the effect in parallel of Low ESR, high conduction.
In addition, because the flexible metal braid over braid has good flexible, to connect the installation nargin of size between the hole and position bigger so the positive electrode of adjacent cell connects hole and negative electrode, so install easily, and can be according to the actual needs of environment and deflection flexible metal braid over braid makes the structure of whole battery group reach changeable voltinism and high-adaptability.
In addition, because the flexible metal braid over braid has good flexible, so its shock resistance is good, even a plurality of battery units in the battery pack are subjected to external force and produce vibrations, flexible metal braid over braid flexible can shock-absorbing and eliminate the skew that is produced because of vibrations between the battery unit or get loose, and guarantees the continuity and stability of electrical path by this.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the exploded perspective view of single battery pack of the present utility model;
Fig. 2 is the schematic diagram of flexible metal braid over braid of the present utility model;
Fig. 3 is the thin portion enlarged drawing of flexible metal braid over braid of the present utility model;
Fig. 4 is the combination stereogram of the utility model with the battery pack that single battery unit was constituted;
Fig. 5 is the combination stereogram of the utility model with two row's battery pack that battery unit was constituted.
Wherein, Reference numeral
1 parallel-connection structure
10 conductive connecting pieces
11 lamellar bodies
12 through holes
13 fastening parts
131 block walls
132 press strips
20 flexible metal braid over braids
30 conduction locked assemblies
31 external thread parts
32 top boards
100 battery units
110 shells
120 positive electrodes connect the hole
130 negative electrodes connect the hole
200 battery pack
Embodiment
Relevant detailed description of the present utility model and technology contents will cooperate graphic being described as follows, yet appended graphic only purposes as an illustration is not to be used to limit to the utility model.
Please refer to Fig. 1, be three-dimensional exploded view of the present utility model, the utility model provides a kind of parallel-connection structure (being designated hereinafter simply as " parallel-connection structure 1 ") of battery, in order to a plurality of battery units 100 and be unified into a battery pack 200, each battery unit 100 comprises a shell 110, include a plurality of battery (not shown)s that are together in series in stacked or arranged side by side mode in the inside of shell 110, have at the end face of the shell 110 of battery unit 100 that a positive electrode connects hole 120 and a negative electrode connects hole 130, in embodiment of the present utility model, positive electrode connects hole 120 and negative electrode and connects hole 130 and be all the inner bolt hole that conductive metallic material is made.
Parallel-connection structure 1 of the present utility model comprises: a plurality of conductive connecting pieces 10, two flexible metal braid over braids 20 and a plurality of conduction locked assembly 30.
Each conductive connecting piece 10 all is to be made by conductive metallic material, and comprise a lamellar body 11, take shape in this lamellar body 11 a through hole 12, and bend a fastening part 13 of extension up from these lamellar body 11 1 sides; In the embodiment shown in fig. 1, fastening part 13 comprises from this lamellar body 11 and bends a block wall 131 that extends and two press strips 132 that bend in opposite directions from these block wall 131 both sides up, and flexible metal braid over braid 20 is by between this block wall 131 and this two press strip 132 and fastening by 132 of this two press strips; These conductive connecting pieces 10 are aligned in that positive electrode connects that hole 120 or negative electrode connect hole 130 and shell 110 end faces that are arranged on battery unit 100 with its through hole 12 respectively.
Flexible metal braid over braid 20 respectively continuously serial connection be positioned at positive electrode and connect the fastening part 13 that hole 120 and negative electrode connect the conductive connecting piece 10 on the hole 130, more particularly, as shown in Figure 1, flexible metal braid over braid 20 has flexible and is bent into wavy, pass the fastening part 13 of each conductive connecting piece 10 by this, and these conductive connecting pieces 10 are connected in series continuously.With reference to figure 2 and Fig. 3, flexible metal braid over braid 20 is to be formed with the braiding of netted interlace mode by many copper conductors, and its surface can Yin Gaowen or moisture and oxidation corrosion, so impedance phase is when low and its conductivity is improved.
Refer again to Fig. 1, each conduction locked assembly 30 all is to be made by conductive metallic material, and these a plurality of through holes 12 of cross-under and be locked in that positive electrode connects hole 120 and described negative electrode connects in the hole 130 respectively; More particularly, each conduction locked assembly 30 comprises and connects hole 120 or this negative electrode with this positive electrode and connect an external thread part 31 that hole 130 is spirally connected mutually and a top board 32 that is connected this external thread part 31, and rounded and its diameter of this top board 32 is greater than the diameter of external thread part 31; Be locked in positive electrode when the through hole 12 of the external thread part 31 cross-under conductive connecting pieces 10 of conduction locked assembly 30 and connect hole 120 or negative electrode when connecting in the hole 130 in, the top board 32 of locked assembly 30 of conducting electricity forms electrically conducting in order to the lamellar body 11 that presses conductive metal sheet 10.
With reference to figure 4, it shows the battery pack 200 that single battery unit 100 is constituted; The electric power of the battery of each battery unit 100 inside connects the external thread part 31 (figure does not show) that hole 120 conducts to conduction locked assembly 30 by the positive electrode that is positioned at the figure below, top board 32 by conduction locked assembly 30 conducts on the lamellar body 11 of conductive connecting piece 10 then, and the fastening part 13 by conductive connecting piece 10 conducts on the flexible metal braid over braid 20 at last; In like manner, the negative electrode that the is positioned at figure top electrical conductivity mode that connects hole 130 also as above-mentioned reaches by conduction locked assembly 30, conductive connecting piece 10 and flexible metal braid over braid 20; With this configuration mode, can utilize two flexible metal braid over braids 20 these battery units 100 electrically in parallel respectively, and form this battery pack 200.
With reference to figure 5, it shows the battery pack 200 that two row's battery units 100 are constituted; If the positive pole of each battery unit 100 and negative pole are arranged as distinguishing as shown in the figure, the connected mode of flexible metal braid over braid 20 has a variety of situations, can't narrate one by one at this, the distribution personnel can arbitrary decision battery unit 100 quantity in parallel, to need batteries in parallel connection unit 100 parts to be connected in series continuously with flexible metal braid over braid 20, need to keep and then to cut off flexible metal braid over braid 20 as the contact part and get final product, formation has the battery pack 200 of the high capacitance more or the magnitude of current by this.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. the parallel-connection structure of a battery, in order to a plurality of battery units and be unified into a battery pack, each described battery unit has that a positive electrode connects the hole and a negative electrode connects the hole, it is characterized in that this parallel-connection structure comprises:
A plurality of conductive connecting pieces respectively form a through hole and a fastening part, and these a plurality of conductive connecting pieces align respectively and are arranged at that described positive electrode connects the hole and described negative electrode connects on the hole;
Two flexible metal braid over braids, continuously serial connection is positioned at described positive electrode and connects a plurality of fastening parts that hole and described negative electrode connect these a plurality of conductive connecting pieces on the hole respectively; And
A plurality of conduction locked assemblies, a plurality of through holes of cross-under and be locked in that described positive electrode connects the hole and described negative electrode connects in the hole respectively are so that this two flexible metals braid over braid electrical described battery unit in parallel respectively.
2. the parallel-connection structure of battery according to claim 1, it is characterized in that, each this conductive connecting piece is respectively conductive metallic material spare and comprises a lamellar body, this through hole and this fastening part take shape on this lamellar body, this fastening part comprises from this lamellar body and bends a block wall of extension and two press strips that bend in opposite directions from these block wall both sides up, and this flexible metal braid over braid is by between this block wall and this two press strip and fastening by this two press strips institute.
3. the parallel-connection structure of battery according to claim 2 is characterized in that, this flexible metal braid over braid is that many copper conductors form with netted interlace mode braiding.
4. the parallel-connection structure of battery according to claim 3 is characterized in that, described positive electrode connects the hole and this negative electrode connects the inner bolt hole that the hole is respectively conductive metallic material spare.
5. the parallel-connection structure of battery according to claim 4, it is characterized in that, each conduction locked assembly is respectively conductive metallic material spare, and comprise and connect hole or this negative electrode with this positive electrode and connect a external thread part that the hole is spirally connected mutually, and be connected a top board of this external thread part, the diameter of this top board is greater than the diameter of this external thread part, and this top board forms electrically conducting by this lamellar body that presses this conductive metal sheet.
6. the battery pack with parallel-connection structure is characterized in that, comprising:
A plurality of battery units, each this battery unit have that a positive electrode connects the hole and a negative electrode connects the hole; And
Connect structure in the lump, this parallel-connection structure further comprises:
A plurality of conductive connecting pieces respectively form a through hole and a fastening part, and these a plurality of conductive connecting pieces align respectively and are arranged at these a plurality of positive electrodes and connect hole and these a plurality of negative electrodes and connect on the hole;
Two flexible metal braid over braids, continuously serial connection is positioned at these a plurality of positive electrodes and connects a plurality of fastening parts that hole and this a plurality of negative electrodes connect these a plurality of conductive connecting pieces on the hole respectively; And
A plurality of conduction locked assemblies, a plurality of through holes of cross-under and be locked in that described positive electrode connects the hole and described negative electrode connects in the hole respectively are so that this two flexible metals braid over braid these a plurality of battery units electrically in parallel respectively.
7. the battery pack with parallel-connection structure according to claim 6, it is characterized in that, each this battery unit comprises a shell, this positive electrode connects the hole and this negative electrode connects the end face that the hole is separately positioned on this shell, this positive electrode connects the hole and this negative electrode connects the inner bolt hole that the hole is conductive metallic material spare, and each this conductive connecting piece aligns that this positive electrode connects that hole or this negative electrode connect the hole and this outer casing top surface of being arranged on this battery unit with this through hole respectively.
8. the battery pack with parallel-connection structure according to claim 7, it is characterized in that, each this conductive connecting piece is respectively conductive metallic material spare and comprises a lamellar body, this through hole and this fastening part take shape on this lamellar body, this fastening part comprises from this lamellar body and bends a block wall of extension and two press strips that bend in opposite directions from these block wall both sides up, and this flexible metal braid over braid is by between this block wall and this two press strip and fastening by this two press strips institute.
9. the battery pack with parallel-connection structure according to claim 8 is characterized in that, this flexible metal braid over braid is that many copper conductors form with netted interlace mode braiding.
10. the battery pack with parallel-connection structure according to claim 9, it is characterized in that, each this conduction locked assembly is respectively conductive metallic material spare, and comprise and connect hole or this negative electrode with this positive electrode and connect a external thread part that the hole is spirally connected mutually, and be connected a top board of this external thread part, the diameter of this top board is greater than the diameter of this external thread part, and this top board forms electrically conducting by this lamellar body that presses this conductive metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020566234XU CN201820825U (en) | 2010-10-12 | 2010-10-12 | Parallel connection structure of battery and battery pack provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020566234XU CN201820825U (en) | 2010-10-12 | 2010-10-12 | Parallel connection structure of battery and battery pack provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820825U true CN201820825U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020566234XU Expired - Fee Related CN201820825U (en) | 2010-10-12 | 2010-10-12 | Parallel connection structure of battery and battery pack provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867980A (en) * | 2011-07-04 | 2013-01-09 | 台达电子工业股份有限公司 | Battery module |
-
2010
- 2010-10-12 CN CN201020566234XU patent/CN201820825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867980A (en) * | 2011-07-04 | 2013-01-09 | 台达电子工业股份有限公司 | Battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20141012 |
|
| EXPY | Termination of patent right or utility model |