CN214672886U - Battery lead connecting structure and battery - Google Patents
Battery lead connecting structure and battery Download PDFInfo
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- CN214672886U CN214672886U CN202120580749.3U CN202120580749U CN214672886U CN 214672886 U CN214672886 U CN 214672886U CN 202120580749 U CN202120580749 U CN 202120580749U CN 214672886 U CN214672886 U CN 214672886U
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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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Abstract
The utility model belongs to the technical field of energy storage equipment, especially, relate to a battery lead connection structure and battery, this battery lead connection structure be used for with electric core electric connection in the battery, battery lead connection structure include the lead wire and be used for with electric core electric connection's electricity connection piece, the lead wire with electricity connection piece pressfitting is connected, and can with electric energy in the electric core is drawn forth. The battery lead connecting structure adopts a press connection mode, compared with tin wire spot welding, the operation is simple, the labor cost is low, the production efficiency is high, in addition, the press connection mode is easy to realize mechanical production, the labor cost can be further reduced, and the production efficiency is improved; and moreover, the lead and the electric connecting sheet are pressed into a part, and the part can be directly adopted and then directly connected with the battery core when the battery is manufactured, so that the manufacturing steps of the battery can be greatly reduced, the generation efficiency is improved, and the labor cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of energy storage equipment, especially, relate to a battery lead connection structure and battery.
Background
At present, with the continuous improvement of people's material culture living standard and the rapid development of electronic product market, the requirements of the improvement of the performance of various digital electronic products such as smart phones, digital cameras, electronic bracelets, DVs, mobile phones of the old people and the like and the manufacturing cost of factory production lines are more and more strict, wherein, the battery is used as the energy source of the electronic products, and higher requirements are provided for the manufacturing cost and the production efficiency of the battery. However, in the conventional battery, the lead and the nickel plate of the battery are manually connected by soldering with a tin wire, and then the lead and the nickel plate are connected with the battery core by spot welding to complete the assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery lead wire connection structure and battery aims at solving among the prior art the lead wire of battery and the low technical problem of the operation cost height of being connected of electric core and production efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: a battery lead connection structure is used for being electrically connected with an electric core in a battery, and comprises a lead and an electric connection sheet which is used for being electrically connected with the electric core, wherein the lead is in press fit connection with the electric connection sheet and can lead out electric energy in the electric core.
Furthermore, a connecting groove is formed in the end face of the lead, and the electric connecting sheet is fixedly inserted into the connecting groove.
Further, the connecting groove penetrates through the lead wire in the radial direction, and the electric connecting sheets extend out of the peripheral wall of the lead wire along two opposite sides of the lead wire in the radial direction.
Further, the electric connection sheet is a nickel sheet.
Further, the electric connection sheet and the battery cell are connected by spot welding.
The utility model provides an above-mentioned one or more technical scheme in the battery lead wire connection structure have one of following technological effect at least: in the manufacturing process of the battery, the lead wire and the electric connecting sheet are firstly pressed, and then the electric connecting sheet is arranged on the battery cell, so that the electric connection between the lead wire and the battery cell is realized, and the manufacturing of the battery is finished; the battery lead connecting structure adopts a press connection mode, compared with tin wire spot welding, the operation is simple, the labor cost is low, the production efficiency is high, in addition, the press connection mode is easy to realize mechanical production, the labor cost can be further reduced, and the production efficiency is improved; and moreover, the lead and the electric connecting sheet are pressed into a part, and the part can be directly adopted and then directly connected with the battery core when the battery is manufactured, so that the manufacturing steps of the battery can be greatly reduced, the generation efficiency is improved, and the labor cost is reduced.
The utility model adopts another technical proposal that: a battery comprises a shell, an electric core and the battery lead connecting structure, wherein the electric connecting sheet is electrically connected with the electric core, and the shell is coated outside the electric core.
Further, the number of the battery lead connecting structures is two, wherein the lead and the electric connecting sheet in one battery lead structure are a positive lead and a positive electric connecting sheet; the lead and the electric connecting sheet in the other battery lead structure are a negative lead and a negative electric connecting sheet;
the positive connecting sheet is electrically connected with the positive electrode of the battery cell, and the negative connecting sheet is electrically connected with the negative electrode of the battery cell.
Further, the battery also comprises a first insulating pad, the first insulating pad is clamped and fixed between the positive electrode of the battery cell and the shell, and the positive connecting piece is positioned between the first insulating pad and the positive electrode of the battery cell;
the battery also comprises a second insulating pad, the second insulating pad is clamped and fixed between the negative electrode of the battery core and the shell, and the negative electricity connecting sheet is positioned between the second insulating pad and the negative electrode of the battery core.
Further, the battery further comprises a third insulating pad, the third insulating pad is located between the positive connecting sheet and the battery core, and an avoiding hole for avoiding the positive electrode of the battery core is formed in the middle of the battery core.
Further, the shell is a PVC heat-shrinkable sleeve.
The battery of the utility model adopts the battery lead wire connection structure, namely, the lead wire and the electric connecting sheet are connected by pressing, compared with the tin wire spot welding, the battery has the advantages of simple operation, low labor cost and high production efficiency, in addition, the pressing connection mode is easy to realize the mechanical production, the labor cost of the battery can be further reduced, and the production efficiency is improved; and moreover, the lead and the electric connection sheet are pressed into a part, and the part can be directly adopted (for example, purchased) and then directly connected with the battery core when the battery is manufactured, so that the manufacturing steps of the battery can be greatly reduced, the generation efficiency is improved, and the labor cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a battery lead connection structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a battery according to an embodiment of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a partially enlarged view of C in fig. 3.
Fig. 6 is an exploded view of the battery shown in fig. 2.
Fig. 7 is a schematic structural diagram of a battery lead connection structure connected to the negative electrode of the cell of the battery in fig. 6.
Fig. 8 is a schematic structural diagram of a battery lead connection structure connected at the cell positive electrode of the battery in fig. 6.
Wherein, in the figures, the respective reference numerals:
10-battery lead connection structure 11-electric connection piece 12-lead
20-cell 30-shell 31-peripheral part
41-first insulating pad 42-second insulating pad 43-third insulating pad
50-labeling 111-positive electric connecting sheet 112-negative electric connecting sheet
121-positive lead 122-negative lead 431-relief hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 8, in an embodiment of the present invention, a battery lead connecting structure 10 is provided for electrically connecting to a battery cell 20 in a battery; the battery lead connection structure 10 includes a lead 12 and an electrical connection sheet 11 for electrically connecting the battery cell 20, wherein the lead 12 is press-fit connected with the electrical connection sheet 11, and can lead out electrical energy in the battery cell 20. Wherein, the lead 12 is a wire; one end of the lead 12 is electrically connected with an external component, and the other end of the lead 12 is connected with the electric connection sheet 11 in a pressing manner, so that the external component is electrically conducted with the battery cell 20, and power is supplied to the external component; the battery lead connection structure 10 is suitable for batteries such as cylindrical batteries and square batteries, wherein the battery with the battery lead connection structure 10 can be applied to various digital electronic products such as smart phones, digital cameras, electronic bracelets, DVs and mobile phones for the aged.
Specifically, in the battery lead connection structure 10 of the embodiment of the present invention, in the manufacturing process of the battery, the lead 12 and the electrical connection sheet 11 are firstly pressed together, and then the electrical connection sheet 11 is installed on the electrical core 20, so as to realize the electrical connection between the lead 12 and the electrical core 20, and thus, the manufacturing of the battery is completed; the battery lead connecting structure 10 adopts a press-fit connection mode, compared with tin wire spot welding, the operation is simple, the labor cost is low, the production efficiency is high, in addition, the press-fit connection mode is easy to realize mechanical production, the labor cost can be further reduced, and the production efficiency is improved; in addition, the lead 12 and the electric connecting sheet 11 are pressed into a part, and the part can be directly adopted and then directly connected with the battery core 20 when the battery is manufactured, so that the manufacturing steps of the battery can be greatly reduced, the generation efficiency is improved, and the labor cost is reduced.
In another embodiment of the present invention, a connecting groove (not shown) is formed on an end surface of the lead 12 of the battery lead connecting structure 10, and the electrical connecting piece 11 is inserted into the connecting groove and clamped and fixed in the connecting groove. When the specific manufacturing, only need to open the connecting groove on the terminal surface of lead wire 12, then, insert electric connection piece 11 back again, thereby the tip of extrusion lead wire 12 presss from both sides electric connection piece 11 tightly, and it connects easy operation, and production efficiency is high.
In another embodiment of the present invention, the connecting groove of the battery lead connecting structure 10 is provided to penetrate the lead 12 in the radial direction, and the electrical connecting sheet 11 extends out of the peripheral wall of the lead 12 along both opposite sides of the lead 12 in the radial direction. Therefore, the width of the electric connection sheet 11 is larger than the diameter of the lead 12, the area of the electric connection sheet 11 is large, and the electric core 20 has good electric connection reliability and good conductive stability and reliability.
In another embodiment of the present invention, the electrical connection tab 11 of the battery lead connection structure 10 is provided as a nickel tab. The electric connection sheet 11 is made of a nickel sheet, has excellent electric conductivity and is beneficial to improving the performance of the battery.
In another embodiment of the present invention, the electrical connection sheet 11 of the battery lead connection structure 10 is provided to be connected to the battery cell 20 by spot welding. The electric connecting sheet 11 is connected with the battery core 20 through spot welding, so that the connection reliability is good, and the use reliability and safety of the battery are ensured.
In another embodiment of the present invention, referring to fig. 2, fig. 3 and fig. 6, a battery is provided, which includes a housing 30, a battery cell 20 and the battery lead connecting structure 10, wherein the electrical connecting sheet 11 is electrically connected to the battery cell 20, and the housing 30 is wrapped outside the battery cell 20.
Specifically, the battery of the embodiment of the present invention, due to the adoption of the battery lead connection structure 10, i.e. the manner of press-fit connection between the lead 12 and the electrical connection sheet 11, is simple in operation, low in labor cost and high in production efficiency, compared with the tin wire spot welding, and in addition, the press-fit connection manner is easy to realize mechanical production, so that the labor cost of the battery can be further reduced, and the production efficiency can be improved; moreover, the lead 12 and the electrical connection sheet 11 are pressed into a part, and the part can be directly adopted (for example, purchased) during battery manufacturing and then directly connected with the battery core 20, so that the manufacturing steps of the battery can be greatly reduced, the generation efficiency is improved, and the labor cost is reduced.
It should be noted that, one battery employs one battery lead connection structure 10, that is, the positive electrode of the battery cell 20 is led out through the battery lead connection structure 10, and the negative electrode of the battery cell 20 is led out through the connection manner of the lead 12 and the electrical connection sheet 11 by the solder wire spot welding, or the negative electrode of the battery cell 20 is led out through the battery lead connection structure 10, and the positive electrode of the battery cell 20 is led out through the connection manner of the lead 12 and the electrical connection sheet 11 by the solder wire spot welding. Alternatively, referring to fig. 2 to 6, the negative electrode and the positive electrode of the battery cell 20 of one battery adopting two battery lead connection structures 10 are both led out through the battery lead connection structure 10, which is specifically as follows: referring specifically to fig. 6 and 8, the lead 12 and the electrical connection tab 11 of one of the cell lead 12 structures are a positive lead 121 and a positive electrical connection tab 111; referring specifically to fig. 6 and 8, the lead 12 and the electrical connection tab 11 in another battery lead 12 configuration are a negative lead 122 and a negative electrical connection tab 112; the positive connecting tab 111 is electrically connected to the positive electrode of the battery cell 20, and the negative connecting tab 112 is electrically connected to the negative electrode of the battery cell 20. Therefore, the battery is simpler to manufacture and higher in production efficiency.
The following is an example of a cylindrical battery:
in another embodiment of the present invention, referring to fig. 3, 4 and 5, the battery further comprises a first insulating pad 41, the first insulating pad 41 is clamped and fixed between the positive electrode of the battery cell 20 and the housing 30, and the positive connecting piece 111 is located between the first insulating pad 41 and the positive electrode of the battery cell 20; the battery further includes a second insulating pad 42, the second insulating pad 42 being clamped between the negative electrode of the cell 20 and the casing 30, and a negative electrical connection tab 112 being located between the second insulating pad 42 and the negative electrode of the cell 20. The first insulating pad 41 and the second insulating pad 42 insulate the electricity from the case 30, thereby ensuring safe reliability of the battery; specifically, shell 30 and electric core 20 all are cylindricly, shell 30 cladding is outside shell 30, shell 30's both ends are equipped with the peripheral portion 31 that extends inwards, positive electricity connection piece 111 and negative electrode piece spot welding respectively are on the positive pole and the negative electrode of electric core 20, first insulating pad 41 and second insulating pad 42 cover respectively in positive electricity connection piece 111 and negative electrode piece, the peripheral portion 31 at shell 30 both ends compresses tightly respectively in the edge of first insulating pad 41 and the edge of second insulating pad 42 to it is fixed with first insulating pad 41 and second insulating pad 42, thereby realize insulating effect. More specifically, the first insulating pad 41 and the second insulating pad 42 are both highland barley paper insulating pads.
In another embodiment of the present invention, referring to fig. 3, fig. 4 and fig. 6, the provided battery further includes a third insulating pad 43, the third insulating pad 43 is located between the positive connecting sheet 111 and the electric core 20, and the middle portion of the electric core 20 is provided with a avoiding hole 431 avoiding the positive electrode of the electric core 20. The third insulating pad 43 insulates the positive connection sheet 111 from the housing 30 of the battery cell 20, so as to avoid short circuit of the battery, and the avoidance hole 431 is used for avoiding the positive electrode of the battery, so that the positive connection sheet 111 can be connected with the positive electrode of the battery cell 20, and thus electric conduction is realized; specifically, the third insulating pad 43 is annular and is adapted to the cylindrical electrical shape.
In another embodiment of the present invention, the battery housing 30 is provided as a PVC heat shrink sleeve. Specifically, when the battery is used, the battery core 20 can be tightly wrapped by only sleeving the PVC heat-shrinkable sleeve outside the battery core 20 and then utilizing the hot-air PVC heat-shrinkable sleeve, so that the manufacturing method is simple, the manufacturing cost is low, and the production efficiency is high. Note that the positive lead 121 and the negative lead 122 need to be led out from the inside of the case 30 to be connected to external components.
In another embodiment of the present invention, a label 50 is pasted on the outer surface of the housing 30 of the battery, so as to facilitate the identification and differentiation of the battery, and facilitate tracing and production.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a battery lead wire connection structure, be used for with electric core electric connection in the battery, its characterized in that: the battery lead connection structure includes:
the electric connecting sheet is used for being electrically connected with the battery cell; and
and the lead is in press fit connection with the electric connecting sheet and can lead out electric energy in the electric core.
2. The battery lead connection structure according to claim 1, wherein: the end face of the lead is provided with a connecting groove, and the electric connecting sheet is fixedly inserted in the connecting groove.
3. The battery lead connection structure according to claim 2, wherein: the connecting groove radially penetrates through the lead, and the electric connecting sheets extend out of the peripheral wall of the lead along the two opposite sides of the lead in the radial direction.
4. The battery lead connection structure according to any one of claims 1 to 3, wherein: the electric connection sheet is a nickel sheet.
5. The battery lead connection structure according to any one of claims 1 to 3, wherein: the electric connection sheet is connected with the battery cell through spot welding.
6. A battery, characterized by: the battery lead connecting structure comprises a shell, a battery cell and the battery lead connecting structure as claimed in any one of claims 1 to 5, wherein the electric connecting sheet is electrically connected with the battery cell, and the shell is coated outside the battery cell.
7. The battery of claim 6, wherein: the number of the battery lead connecting structures is two, wherein the lead and the electric connecting sheet in one battery lead structure are a positive lead and a positive electric connecting sheet; the lead and the electric connecting sheet in the other battery lead structure are a negative lead and a negative electric connecting sheet;
the positive connecting sheet is electrically connected with the positive electrode of the battery cell, and the negative connecting sheet is electrically connected with the negative electrode of the battery cell.
8. The battery of claim 7, wherein: the battery also comprises a first insulating pad, the first insulating pad is clamped and fixed between the positive electrode of the battery cell and the shell, and the positive connecting piece is positioned between the first insulating pad and the positive electrode of the battery cell;
the battery also comprises a second insulating pad, the second insulating pad is clamped and fixed between the negative electrode of the battery core and the shell, and the negative electricity connecting sheet is positioned between the second insulating pad and the negative electrode of the battery core.
9. The battery of claim 8, wherein: the battery further comprises a third insulating pad, the third insulating pad is located between the positive connecting sheet and the battery core, and a avoidance hole for avoiding the positive electrode of the battery core is formed in the middle of the battery core.
10. The battery of claim 6, wherein: the shell is a PVC thermal shrinkage sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580749.3U CN214672886U (en) | 2021-03-22 | 2021-03-22 | Battery lead connecting structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580749.3U CN214672886U (en) | 2021-03-22 | 2021-03-22 | Battery lead connecting structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672886U true CN214672886U (en) | 2021-11-09 |
Family
ID=78454757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580749.3U Active CN214672886U (en) | 2021-03-22 | 2021-03-22 | Battery lead connecting structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672886U (en) |
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2021
- 2021-03-22 CN CN202120580749.3U patent/CN214672886U/en active Active
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