CN206893745U - Battery module with power balance structure - Google Patents
Battery module with power balance structure Download PDFInfo
- Publication number
- CN206893745U CN206893745U CN201720514249.3U CN201720514249U CN206893745U CN 206893745 U CN206893745 U CN 206893745U CN 201720514249 U CN201720514249 U CN 201720514249U CN 206893745 U CN206893745 U CN 206893745U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery module
- balance
- conductive
- power
- 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.)
- Expired - Fee Related
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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
Landscapes
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
A kind of battery module with power balance structure, it includes：Multiple battery units, the both ends of these battery units are respectively an electrode tip；And an at least cell connector, there is multiple conductive parts and multiple balance elements, these conductive parts correspondingly connect for the electrode tip of these battery units, also, each two conductive part is connected through an at least balance element, and these balance elements are formed as a conductive path；Wherein, the battery module mainly utilizes the setting of these balance elements; so that these battery units are in electric discharge; the electric current of the battery unit of tool high voltage actively divides the battery unit to low voltage equally; so that these battery units are balanced electric discharge; so as to the service life up to extension battery unit, so as to have balanced protection battery module and preferable power supply expandability and security.
Description
Technical field
The utility model is relevant with a kind of battery module, particularly relates to a kind of battery module with power balance structure.
Background technology
Press, with load equipment evolution, size heterogeneity is increasing, when load needs amplification, the capacity of power of script
May be insufficient, or the requirement more and more higher with reliability, by power system design into modularization, there are in parallel and redundancy need
It is also inevitable trend to ask.
Furthermore in order to provide the capacity of the convenience used and power supply, many power systems are all made using rechargeable battery
For the source of electric power；Wherein, the charged lithium cells using lighium polymer as primary raw material, lithium battery are tools in current rechargeable battery
There is the matured product of high capacity density, and possess good performance and high security, but still battery core must be avoided to overcharge, mistake
Put or the situation of excess temperature occurs, for the safety for extending the life-span of battery with protecting user, it is necessary to construction battery management system
(BMS) battery operation is ensured in the scope of safety, the substantially major function of battery management system is measures single battery core
Voltage is simultaneously protected.
So in series-connected cell, battery battery core has the inconsistent situation of battery core voltage because of internal resistance or the difference of processing procedure
Occur, it is such the problem of can cause series-connected cell and put because certain battery core is overcharged or crossed ahead of time, significantly influence the use of battery pack
Efficiency and life-span.
But in fact the internal resistance of each battery core will be with charge and discharge cycles time there is narrow difference, this otherness with capacity
Number is gradually increased, if lacking management will be expanded between battery module and module from the otherness between battery core so that battery module
Between can not be in consistent state.
Overcharge ahead of time however, the inconsistency between each battery still can cause, cross the problem of putting, therefore between battery not
Uniformity, which all must be transmitted through appropriate balance correction, could play the efficiency of lithium Fe battery completely, in addition, when battery core energy not
When balance can betide one of battery core and reach specified high voltage, now charging device can stop charging to battery core, with
The energy (i.e. cell voltage) in each battery core is caused to differ.
Therefore this case creator is observing above-mentioned missing, there is generation of the present utility model then.
Utility model content
Main purpose of the present utility model is to provide a kind of battery module with power balance structure, the battery module
Through power balance structure, enable the battery unit equilibrium discharge of battery module, so as to up to the service life for extending battery unit,
So as to have balanced protection battery module and preferable power supply expandability and security.
Secondary objective of the present utility model is to provide a kind of battery module with power balance structure, and it utilizes electric power
The setting of balanced structure, it may achieve and save setup cost, be advantageous to volume production, avoid cell voltage too high and reduce power consumption
Purpose.
For the above-mentioned purpose, the battery module provided by the utility model with power balance structure, it includes：It is more
Individual battery unit, the both ends of these battery units are respectively an electrode tip；And an at least cell connector, it has multiple conductions
Portion and multiple balance elements, these conductive parts correspondingly connect for the electrode tip of these battery units, also, each two conductive part is provided with extremely
A few balance element, these balance elements have two connection ends, and these connection ends connect these conductive parts, and these balance elements respectively
Be formed as a conductive path.
It is preferred that wherein these conductive parts of the cell connector are formed in one with these balance elements.
It is preferred that wherein these balance elements are in strip demihull shape.
It is preferred that the electrode tip at the wherein battery unit both ends is respectively a positive terminal and a negative pole end, also, each conduction
Portion is electrically connected with the positive terminal of a battery unit and the negative pole end of a battery unit.
It is preferred that each of which conductive part has a positive pole bonding pad and a negative pole bonding pad, the positive pole bonding pad is electrical
The positive terminal of a battery unit is connected, and the negative pole bonding pad is electrically connected with the negative pole end of a battery unit.
It is preferred that wherein these battery units are rechargeable battery.
It is preferred that wherein these battery units are selected from nickel-cadmium cell, Ni-MH battery, lithium ion battery, lighium polymer electricity
One of pond and lead-acid battery.
It is preferred that wherein the cell connector is provided with a power transmission part, the power transmission part is connected to a wherein conductive part.
It is preferred that wherein the power transmission part has an extension and a clinch, one end of the extension connects this and led
Electric portion, and the other end connects the clinch, and the extension has pliability, and be in strip demihull shape.
Battery module provided by the utility model with power balance structure, its main setting using these balance elements
Put, so that these battery units are when electric discharge, the electric current for having the battery unit of high voltage is actively divided equally using the conductive path
To the battery unit of low voltage, so that these battery units are balanced electric discharge.Whereby, the utility model can solve above-mentioned elder generation
The problem of preceding technology has, and the service life for extending battery unit can be reached, so as to balanced protection battery module and
Preferable power supply expandability and security.
Brief description of the drawings
Fig. 1 is the stereogram of first embodiment of the present utility model.
Fig. 2 is the combination stereogram of first embodiment of the present utility model.
Fig. 3 is the exploded perspective view of first embodiment of the present utility model, to show that the power supply with the battery module supplies
That answers device assembles relation.
Fig. 4 is the use schematic diagram of first embodiment of the present utility model.
Fig. 5 is the stereogram of second embodiment of the present utility model.
Description of reference numerals：
100 battery modules
10 battery units
11 electrode tips
111 positive terminals
112 negative pole ends
20 cell connectors
21 conductive parts
211 positive pole bonding pads
212 negative pole bonding pads
22 balance elements
221 connection ends
222 conductive paths
23 power transmission parts
231 extensions
232 clinch
30 upper cover bodies
31 power output parts
40 lower houses
50 circuit boards
Embodiment
Refer to shown in Fig. 1 and Fig. 2, be the stereogram and combination stereogram of first embodiment of the present utility model, it is taken off
Dew has a kind of battery module 100 with power balance structure, should include with the battery module 100 of power balance structure：
Multiple battery units 10, the both ends of these battery units 10 are respectively an electrode tip 11, also, 10 liang of the battery unit
The electrode tip 11 at end is respectively a positive terminal 111 and a negative pole end 112.In the present embodiment, these battery units 10 are charging
Battery, and these battery units 10 are selected from nickel-cadmium cell, Ni-MH battery, lithium ion battery, lithium polymer battery and plumbic acid electricity
One of pond.
An at least cell connector 20, it has multiple conductive parts 21 and multiple balance elements 22, these correspondences of conductive part 21
Connected for the electrode tip 11 of these battery units 10, also, each two conductive part 21 is provided with least one balance for being in strip demihull shape
Part 22, these balance elements 22 have two connection ends 221, and these connection ends 221 connect these conductive parts 21 respectively, and these are flat
Weighing apparatus part 22 is formed as a conductive path 222；In the present embodiment, these conductive parts 21 of the cell connector 20 are flat with these
Weighing apparatus part 22 is formed in one, and each conductive part 21 has a positive pole bonding pad 211 and a negative pole bonding pad 212, and the positive pole connects
The positive terminal 111 that area 211 is electrically connected with a battery unit 10 is connect, and the negative pole bonding pad 212 is electrically connected with a battery unit 10
Negative pole end 112.
In addition, in the present embodiment, as shown in Figures 1 and 2, the cell connector 20 is provided with a power transmission part 23, the electricity
Power Transmission Part 23 is connected to a wherein conductive part 21, and the power transmission part 23 has an extension 231 and a clinch 232, should
One end of extension 231 connects the conductive part 21, and the other end connects the clinch 232, and the extension 231 is with flexible
Property, and be in strip demihull shape.
Please also refer to shown in Fig. 3, being the exploded perspective view of first embodiment of the present utility model, having with display should
The power supply device of battery module 100 assembles relation.Wherein, the utility model has further included a upper cover body 30, a lower casing
The circuit board 50 of body 40 and one, and the cell connector 20 further connects the electricity using the clinch 232 of the power transmission part 23
Road plate 50, also, these battery units 10, the cell connector 20 and the circuit board 50 are arranged in the lower house 40, and on this
Lid 30 is covered on the lower house 40, so as to forming a power supply device.In the present embodiment, the upper cover body 30 has two
Power output part 31, these power output parts 31 are electrically connected with the circuit board 50, the cell connector 20 and these battery units
10。
To supply to further appreciate that construction feature, application technology means and desired the effect of reaching of the present utility model, hereby
Occupation mode of the present utility model is described, it is believed that when can have therefrom to the utility model deeper into and it is specific
Solution, as described below：
Please continue to refer to Fig. 2 and Fig. 3, and coordinate shown in Fig. 4, be that the combination of first embodiment of the present utility model is three-dimensional
Figure, exploded perspective view and use schematic diagram.In use state, the utility model mainly utilizes the setting of these balance elements 22,
So that these battery units 10 are in electric discharge, the electric current for having the battery unit 10 of high voltage utilizes the active of conductive path 222
Divide the battery unit 10 to low voltage equally, so that these battery units 10 are balanced electric discharge.It is further illustrated, if
A wherein conductive part 21 by electric current be 1.1 amperes, and the conductive part 21 of side side be then by electric current be 0.9 ampere, institute
0.1 ampere is flowed to side side using the conductive path 222 that can pass through the balance element 22 as 1.1 amperes of conductive part 21 by electric current
Conductive part 21, so as to making two conductive parts 21 by electric current be all 1.0 amperes, be balanced these battery units 10 and put
Electricity.
Whereby, the utility model can solve the problems, such as that above-mentioned prior art is had, and can reach and extend battery unit 10
Service life, so as to balanced protection battery module 100 and preferable power supply expandability and security.
Referring again to shown in Fig. 5, it is the stereogram of second embodiment of the present utility model.The present embodiment and first is implemented
Example is compared, and its difference is the both ends of the conductive part 21 respectively into round sheet, circular piece of the conductive part 21 at both ends
There is the positive pole bonding pad 211 and the negative pole bonding pad 212 respectively at shape, also, the interlude of the conductive part 21 is in strip sheet,
And the balance element 22 connects the outside of the wherein one end of conductive part 21.More in detail and it, the difference of the present embodiment and first embodiment
Place is only that the aspect of the conductive part 21 is different, therefore, the present embodiment can equally reach implementation effect such as first embodiment.
It is noted that the utility model setting using cell connector 20 can be learnt by said structure and operation instruction
Put, can solve the problems, such as that the inconsistency between each battery unit 10 still can cause and overcharge ahead of time, cross and put, and the battery connects
Piece 20 have it is simple in construction with easily fabricated, therefore, the utility model may achieve saving setup cost, be advantageous to volume production, avoid electricity
Cell voltage is too high and reduces the effectiveness of power consumption.
It is worth being mentioned that again, with the circuit board 50 in assembling, electric power outflow part can pass through the power transmission part 23
The extension 231 has pliability, and in the structure setting of strip demihull shape, to prevent the clinch of the power transmission part 23
232 with the recurring structure of lower house 40 on interference.
Hereby, then by feature of the present utility model and its attainable expected effect it is presented below：
Battery module 100 of the present utility model with power balance structure, its main setting using these balance elements 22
Put, so that these battery units 10 are in electric discharge, the electric current for having the battery unit 10 of high voltage is led using the conductive path 222
The dynamic battery unit 10 divided equally to low voltage, so that these battery units 10 are balanced electric discharge.Whereby, because the battery connects
Contact pin 20 have it is simple in construction with easily fabricated, therefore, the utility model may achieve saving setup cost, be advantageous to volume production, avoid
Cell voltage is too high and reduces the effectiveness of power consumption, the service life for extending battery unit 10 can be more reached in addition, so as to have
Balanced protection battery module 100 and preferably power supply expandability and security.
In summary, the utility model has its splendid progress practicality in fact in like product, while domestic and international all over looking into
Also find no identical construction on the technical data of this class formation, in document to exist formerly, therefore the utility model is real
Possesses new patent important document, whence is filed an application in accordance with the law.
Only, as described above, is only preferably possible embodiments of the present utility model, therefore apply the utility model such as
Equivalent structure change carried out by specification and claim, ought to be included in the scope of the claims of the present utility model.
Claims (9)
1. a kind of battery module with power balance structure, it is characterised in that include：
Multiple battery units, the both ends of these battery units are respectively an electrode tip；And
An at least cell connector, has multiple conductive parts and multiple balance elements, and these conductive parts correspondingly supply these battery units
Electrode tip connection, also, each two conductive part is provided with an at least balance element, these balance elements have two connection ends, these connect
Connect end and connect these conductive parts respectively, and these balance elements are formed as a conductive path；
Wherein, the battery module mainly utilizes the setting of these balance elements, so that these battery units are when electric discharge, has higher electricity
The electric current of the battery unit of pressure actively divides the battery unit to low voltage equally, so that these battery units are balanced electric discharge.
2. the battery module according to claim 1 with power balance structure, it is characterised in that the cell connector
These conductive parts are formed in one with these balance elements.
3. there is the battery module of power balance structure according to claim 2, it is characterised in that these balance elements are in strip
Demihull shape.
4. the battery module according to claim 1 with power balance structure, it is characterised in that the battery unit both ends
Electrode tip be respectively a positive terminal and a negative pole end, also, each conductive part is electrically connected with the positive terminal and one of a battery unit
The negative pole end of battery unit.
5. the battery module according to claim 4 with power balance structure, it is characterised in that each conductive part has
One positive pole bonding pad and a negative pole bonding pad, the positive pole bonding pad is electrically connected with the positive terminal of a battery unit, and the negative pole connects
Connect the negative pole end that area is electrically connected with a battery unit.
6. the battery module according to claim 1 with power balance structure, it is characterised in that these battery units are
Rechargeable battery.
7. the battery module according to claim 6 with power balance structure, it is characterised in that these battery units are
Selected from one of nickel-cadmium cell, Ni-MH battery, lithium ion battery, lithium polymer battery and lead-acid battery.
8. the battery module according to claim 1 with power balance structure, it is characterised in that the cell connector is set
There is a power transmission part, the power transmission part is connected to a wherein conductive part.
9. the battery module according to claim 8 with power balance structure, it is characterised in that the power transmission part has
There are an extension and a clinch, one end of the extension connects the conductive part, and the other end connects the clinch, and the extension
Part has pliability, and is in strip demihull shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514249.3U CN206893745U (en) | 2017-05-10 | 2017-05-10 | Battery module with power balance structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514249.3U CN206893745U (en) | 2017-05-10 | 2017-05-10 | Battery module with power balance structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206893745U true CN206893745U (en) | 2018-01-16 |
Family
ID=61340745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514249.3U Expired - Fee Related CN206893745U (en) | 2017-05-10 | 2017-05-10 | Battery module with power balance structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206893745U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3800691A1 (en) * | 2019-10-03 | 2021-04-07 | Siemens Aktiengesellschaft | Current collector, battery module with a current collector and usage thereof |
| WO2021129492A1 (en) * | 2019-12-24 | 2021-07-01 | Oppo广东移动通信有限公司 | Battery assembly for use in terminal device, and terminal device having same |
| CN114696041A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Battery module, packaging method of battery module and terminal equipment |
-
2017
- 2017-05-10 CN CN201720514249.3U patent/CN206893745U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3800691A1 (en) * | 2019-10-03 | 2021-04-07 | Siemens Aktiengesellschaft | Current collector, battery module with a current collector and usage thereof |
| WO2021129492A1 (en) * | 2019-12-24 | 2021-07-01 | Oppo广东移动通信有限公司 | Battery assembly for use in terminal device, and terminal device having same |
| CN114696041A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Battery module, packaging method of battery module and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20190510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |