CN207398252U - Battery structure - Google Patents
Battery structure Download PDFInfo
- Publication number
- CN207398252U CN207398252U CN201721579565.5U CN201721579565U CN207398252U CN 207398252 U CN207398252 U CN 207398252U CN 201721579565 U CN201721579565 U CN 201721579565U CN 207398252 U CN207398252 U CN 207398252U
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- CN
- China
- Prior art keywords
- busbar
- printed circuit
- circuit board
- board assembly
- heat
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- 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.)
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model is related to a kind of battery structure, including battery core；The busbar being electrically connected with the battery core；The printed circuit board assembly being electrically connected with the busbar；And it is connected to the groups of springs between the printed circuit board assembly and the busbar.The beneficial effects of the utility model are：Conducting wire is replaced using printed circuit board, so as to reduce battery manufacture cost and make battery easy for installation, and busbar and printed circuit board assembly are connected so as to carry out voltage signal acquisition by groups of springs, utilize the electric conductivity and thermal conductivity of spring, while making busbar and printed circuit board assembly electrical connection, it can play the role of buffering when battery core expands, prevent larger connection stress.
Description
Technical field
The utility model is related to battery technology fields, refer in particular to a kind of battery structure.
Background technology
Battery generally includes battery core, stent, busbar and functional circuit.Previous way is by thin wire and a variety of
Functional circuit needed for function element composition battery, however manufacture that battery cost is higher, battery is cumbersome for installation with such scheme.
And cause inside battery connection stress increase since battery core easily expands when in use, voltage and temperature may finally be caused to believe
Number acquisition circuit be damaged.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, a kind of battery structure is provided, conducting wire can be solved
Connect the problem of expansion of cumbersome and of high cost and battery core causes to connect stress increase.
Realizing the technical solution of above-mentioned purpose is：
The utility model provides a kind of battery structure, including：
Battery core；
The busbar being electrically connected with the battery core；
The printed circuit board assembly being electrically connected with the busbar；And
The groups of springs being connected between the printed circuit board assembly and the busbar.
The beneficial effects of the utility model are, conducting wire is replaced using printed circuit board, so as to reduce battery manufacture cost, simultaneously
Make battery easy for installation, and busbar and printed circuit board assembly are connected so as to carry out voltage signal acquisition by groups of springs, profit
With the electric conductivity and thermal conductivity of spring, while making busbar and printed circuit board assembly electrical connection, can be risen when battery core expands
To the effect of buffering, larger connection stress is prevented.
The utility model battery structure further improvement lies in that, further include a conductive sheet, the conductive sheet is fixed on institute
The one side of busbar is stated, the busbar is arranged side by side with the printed circuit board assembly, and the conductive sheet has a joint face,
The connection is up and positioned at the lower section of the printed circuit board assembly；
The groups of springs includes the first spring, joint face and the printing of first spring supporting in the conductive sheet
Between the lower surface of circuit board assemblies, by first spring and the conductive sheet make the printed circuit board assembly with it is described
Busbar is electrically connected.
The utility model battery structure further improvement lies in that, further include on the battery core and for described in installation
The stent of busbar and the printed circuit board assembly, the stent are located under the printed circuit board assembly close to the remittance
The first recess portion is formed at stream item, it is empty that a connection for installing the conductive sheet and the first spring is formed in first recess portion
Between.
The utility model battery structure further improvement lies in that, conductive sheet bending is in zigzag, including opposite the
One linkage section and the second linkage section, first linkage section are fixed on the upper surface of the busbar, and second linkage section is put
In the bottom of the connection space and the surface of first recess portion is attached at, the joint face is located at second linkage section
On.
The utility model battery structure further improvement lies in that, the conductive sheet be copper sheet.
The utility model battery structure further improvement lies in that, on the printed circuit board assembly have a heat-sensitive sensor
Device, one end of the busbar are formed with a heat transfer sheet, and the busbar is arranged side by side with the printed circuit board assembly, described
Heat transfer sheet has a heat-transfer area, and the heat transfer is up and positioned at the lower section of the heat-sensitive sensor；
The groups of springs includes second spring, and the second spring is supported in the heat-transfer area of the heat transfer sheet and the temperature-sensitive
Between the lower surface of sensor, by the second spring and the heat transfer sheet by the heat transfer on the busbar to described
Heat-sensitive sensor.
The utility model battery structure further improvement lies in that, the battery structure is further included arranged on the heat-sensitive sensor
The heat conduction protective cover of device lower surface, the heat conduction protective cover cover at the outside of the second spring.
The utility model battery structure further improvement lies in that, further include on the battery core and for described in installation
The stent of busbar and printed circuit board assembly, the stent are located under the heat-sensitive sensor close to shape at the busbar
Into there is the second recess portion, one is formed in second recess portion for the installation heat conduction protective cover and the installation space of second spring.
The utility model battery structure further improvement lies in that, heat transfer sheet bending is L-shaped and forms a heat transfer segment,
The heat transfer segment is placed in the bottom of the installation space and is attached at the surface of second recess portion, and the heat-transfer area is located at described
In heat transfer segment.
Description of the drawings
Fig. 1 is the structure diagram of the utility model battery structure.
Fig. 2 is the detonation configuration figure of the utility model battery structure.
Fig. 3 is the structure diagram at the B of A-A sections in Fig. 1.
Fig. 4 is the structure diagram at the D of C-C sections in Fig. 1.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Refering to Fig. 1 to Fig. 4, the utility model provides a kind of battery structure, not only simple installation, at low cost, and effectively
The connection stress generated due to battery core expansion is buffered, voltage and temperature signal collection circuit is prevented to be damaged.It is right below in conjunction with the accompanying drawings
The utility model battery structure illustrates.
As shown in Figures 1 to 4, the utility model battery structure includes battery core 10, the stent 20 on battery core 10, peace
Loaded on the busbar 30 in stent 20 and printed circuit board assembly 40, it is electrically connected the busbar 30 and the printed circuit board group
The connection structure 50 of part 40 and heat transfer structure 60.
Wherein, busbar 30 is electrically connected by welding with battery core 10, and for collecting the voltage of battery core 10, stent 20 is used for will
Busbar 30 and printed circuit board assembly 40 are installed to battery core 10, and the both sides of the stent have busbar mounting groove, the branch
The center of frame has printed circuit board assembly mounting groove, and busbar 30 is embedded in the busbar mounting groove, printed circuit board assembly
The 40 insertion printed circuit board assembly mounting grooves, are installed so as to fulfill busbar 30 and printed circuit board assembly 40 to stent 20
And it is arranged side by side.Functional circuit is printed on printed circuit board assembly 40, connection structure 50 is used for the voltage on busbar 30
It is forwarded to printed circuit board assembly 40.It needs to tie connection according to the position of functional circuit on printed circuit board assembly 40 and design
Structure 50 is arranged on desired position, is arranged on heat transfer structure 60 according to the position of heat-sensitive sensor on printed circuit board assembly 40 required
Position.
As shown in figure 3, busbar 30 and the junction of printed circuit board assembly 40 are equipped with connection structure 50.Busbar 30
Be placed in printed circuit board assembly 40 on stent 20, and be located on stent 20 busbar 30 and printed circuit board assembly 40 it
Between be installed with a gap 21, stent 20 is located under the printed circuit board assembly 40 at busbar 30 that be formed with first recessed
Portion, a connection space for mounting connection structure 50 is formed in first recess portion, and the connection space is connected with gap 21.
Connection structure 50 includes being fixed on the conductive sheet 51 of 30 one end of busbar, be supported under printed circuit board assembly 40
The first spring 52 and branch between surface and the upper surface of conductive sheet 51 are arranged on the spring(-supported) mount 53 around the first spring 52.Its
In, the bending of conductive sheet 51 is in zigzag, described in being sticked and being fixed on the first linkage section 511 of 30 upper surface of busbar, be placed in
The bottom of connection space and be attached at first recess surface the second linkage section 512 and through gap 21 and connect first
3rd linkage section 513 of 511 and second linkage section 512 of linkage section, the 3rd linkage section 513 can obliquely or vertically be set with the need,
It is preferred that it is vertically arranged.The upper surface of second linkage section 512 is formed with a joint face, and the connection is up and positioned at printing electricity
The lower section of road plate component 40, the lower end of the first spring 52 are fixedly arranged on the joint face.Preferably, conductive sheet 51 is copper sheet, due to
Copper sheet is not oxidizable, does not easily cause contact resistance.Spring(-supported) mount 53 is used for the first spring of /V 52, prevents spring 52 from bending or shifting
And buffering connection stress can not be played the role of, and the height of the spring(-supported) mount 53 is less than the height of the first spring 52, so as to the
One spring 52, which stays, sets extendable room to buffer connection stress, prevent connection stress generation make wiring circuit contact bad, cause voltage and
Temperature signal collection circuit is damaged.
The voltage for coming together in busbar 30 is transferred to the first linkage section 511, the 3rd linkage section 513, the second linkage section successively
512 and first spring 52, and it is finally transmitted to printed circuit board assembly 40.
As shown in figure 4, having a heat-sensitive sensor on printed circuit board assembly 40, heat transfer structure 60 is used to produce battery core 10
Raw heat transfer is monitored the temperature of battery core 10 by heat-sensitive sensor, prevents that battery core temperature is excessively high to the heat-sensitive sensor
It is damaged voltage and temperature signal collection circuit.Busbar 30 and printed circuit board assembly 40 are placed on stent 20, and are propped up
A gap 22 is installed on frame 20 between busbar 30 and heat-sensitive sensor, stent 20 is located under the heat-sensitive sensor
The second recess portion is formed at busbar 30, an installation sky for installation heat transfer structure 60 is formed in second recess portion
Between, the installation space is connected with gap 22.
Heat transfer structure 60 is included arranged on the heat conduction protective cover 62 of heat-sensitive sensor lower surface and in heat conduction protective cover 62
Second spring 61.Heat conduction protective cover 62 is fixed on the lower surface of heat-sensitive sensor and passing through dispensing makes heat-conducting glue be protected full of heat conduction
Shield 62 makes the thermistor on heat transfer to the heat-sensitive sensor of heat conduction protective cover 62, while playing prevents moisture from entering
So as to protect the effect of thermistor.Heat conduction protective cover 62 ensures the water proofing property at dispensing for making dispensing abundant, rises simultaneously
To the effect of /V second spring 61, prevent second spring 61 from bending or shifting and buffering connection stress can not be played the role of,
Preferably, the shape of heat conduction protective cover 62 is adapted to second spring 61, cylindrical.The one side of busbar 30 corresponds to the temperature-sensitive
A heat transfer sheet 31 is formed at sensor, the heat transfer sheet 31 bending l-shaped, end forms a heat transfer segment, and the heat transfer segment is worn
It crosses gap 22 to be placed in the bottom of the installation space and be attached at the surface of second recess portion, the upper surface shape of the heat transfer segment
Cheng Youyi heat-transfer areas.Second spring 61 is supported between the heat-transfer area of heat transfer sheet 31 and the lower surface of the heat-sensitive sensor, and
By being fixedly welded on heat transfer sheet 31, by second spring 61 and heat conduction protective cover 62 by the heat transfer of busbar 30 to temperature-sensitive
Sensor.
First spring 52 and second spring 61 form groups of springs, groups of springs be connected to the printed circuit board assembly with it is described
Between busbar.
The utility model battery structure has the beneficial effect that：
Spring electric conductivity is make use of, by setting conductive sheet and the first spring so that busbar and printed circuit board assembly electricity
Connection, conductive sheet is not oxidizable, can solve the problems, such as to cause contact resistance using aluminum flake surface is oxidizable in the prior art；It utilizes
The thermal conductivity of spring connects busbar and heat conduction protective cover by second spring, makes the heat-sensitive sensor on printed circuit board assembly
Device, so as to monitor the temperature of battery core, prevents battery core temperature is excessively high from making voltage and temperature by heat conduction protective cover and second spring heat conduction
Signal acquisition circuit is damaged.Due to the characteristic of spring, battery core expansion is also solved while it realizes conduction, heat conduction function and is led
Connection stress is caused to lead to the problem of, cell deformation or explosion is prevented, increases the security of battery.
The utility model is described in detail above in association with attached drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be using the scopes that the appended claims define as the scope of protection of the utility model.
Claims (9)
1. a kind of battery structure, which is characterized in that including：
Battery core；
The busbar being electrically connected with the battery core；
The printed circuit board assembly being electrically connected with the busbar；And
The groups of springs being connected between the printed circuit board assembly and the busbar.
2. battery structure as described in claim 1, which is characterized in that further include a conductive sheet, the conductive sheet is fixed on institute
The one side of busbar is stated, the busbar is arranged side by side with the printed circuit board assembly, and the conductive sheet has a joint face,
The connection is up and positioned at the lower section of the printed circuit board assembly；
The groups of springs includes the first spring, joint face and the printed circuit of first spring supporting in the conductive sheet
Between the lower surface of plate component, the printed circuit board assembly and the confluence are made by first spring and the conductive sheet
Item is electrically connected.
3. battery structure as claimed in claim 2, which is characterized in that further include on the battery core and for described in installation
The stent of busbar and the printed circuit board assembly, the stent are located under the printed circuit board assembly and close to described
The first recess portion is formed at busbar, a connection for the installation conductive sheet and the first spring is formed in first recess portion
Space.
4. battery structure as claimed in claim 3, which is characterized in that conductive sheet bending is in zigzag, including opposite the
One linkage section and the second linkage section, first linkage section are fixed on the upper surface of the busbar, and second linkage section is put
In the bottom of the connection space and the surface of first recess portion is attached at, the joint face is located at second linkage section
On.
5. battery structure as claimed in claim 2, which is characterized in that the conductive sheet is copper sheet.
6. battery structure as described in claim 1, which is characterized in that there is a heat-sensitive sensor on the printed circuit board assembly
Device, one end of the busbar are formed with a heat transfer sheet, and the busbar is arranged side by side with the printed circuit board assembly, described
Heat transfer sheet has a heat-transfer area, and the heat transfer is up and positioned at the lower section of the heat-sensitive sensor；
The groups of springs includes second spring, and the second spring is supported in the heat-transfer area of the heat transfer sheet and the heat-sensitive sensor
Between the lower surface of device, by the second spring and the heat transfer sheet by the heat transfer on the busbar to the temperature-sensitive
Sensor.
7. battery structure as claimed in claim 6, which is characterized in that the battery structure is further included arranged on the heat-sensitive sensor
The heat conduction protective cover of device lower surface, the heat conduction protective cover cover at the outside of the second spring.
8. battery structure as claimed in claim 7, which is characterized in that further include on the battery core and for described in installation
The stent of busbar and printed circuit board assembly, the stent are located under the heat-sensitive sensor close to shape at the busbar
Into there is the second recess portion, one is formed in second recess portion for the installation heat conduction protective cover and the installation space of second spring.
9. battery structure as claimed in claim 8, which is characterized in that the heat transfer sheet bending is L-shaped and forms a heat transfer segment,
The heat transfer segment is placed in the bottom of the installation space and is attached at the surface of second recess portion, and the heat-transfer area is located at described
In heat transfer segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579565.5U CN207398252U (en) | 2017-11-22 | 2017-11-22 | Battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579565.5U CN207398252U (en) | 2017-11-22 | 2017-11-22 | Battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398252U true CN207398252U (en) | 2018-05-22 |
Family
ID=62324222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721579565.5U Active CN207398252U (en) | 2017-11-22 | 2017-11-22 | Battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749453A (en) * | 2017-11-22 | 2018-03-02 | 安费诺(常州)连接系统有限公司 | Battery structure |
| WO2021129149A1 (en) * | 2019-12-27 | 2021-07-01 | 宁德时代新能源科技股份有限公司 | Separator plate component, battery module, battery pack, device, and manufacturing method |
-
2017
- 2017-11-22 CN CN201721579565.5U patent/CN207398252U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749453A (en) * | 2017-11-22 | 2018-03-02 | 安费诺(常州)连接系统有限公司 | Battery structure |
| CN107749453B (en) * | 2017-11-22 | 2024-04-26 | 安费诺(常州)连接系统有限公司 | Battery structure |
| WO2021129149A1 (en) * | 2019-12-27 | 2021-07-01 | 宁德时代新能源科技股份有限公司 | Separator plate component, battery module, battery pack, device, and manufacturing method |
| US11605865B2 (en) | 2019-12-27 | 2023-03-14 | Contemporary Amperex Technology Co., Limited | Separator assembly, battery module, battery pack, apparatus and manufacturing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |