CN111029517A - Battery protection board and mobile phone battery - Google Patents
Battery protection board and mobile phone battery Download PDFInfo
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- CN111029517A CN111029517A CN201911101841.0A CN201911101841A CN111029517A CN 111029517 A CN111029517 A CN 111029517A CN 201911101841 A CN201911101841 A CN 201911101841A CN 111029517 A CN111029517 A CN 111029517A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery protection board and a mobile phone battery, which comprise a flexible board area, a cloth area, a film covering area and an extension area, wherein the flexible board area is provided with a connector; the soft board area is a strip shape with a bend, and the cloth area is a strip shape; one end of the soft board area is provided with a connector, and the other end of the soft board area is connected with the short edge of the cloth piece area; a first extension area and a second extension area are arranged on the long edge of the piece distribution area on the inner side of the bend, and a preset distance is formed between the first extension area and the second extension area; the connection positions of the two extension areas and the cloth area are provided with a film covering area, and the extension areas can be bent by taking the film covering area as an axis; the distance between the two extension regions is the same as the cell distance of the battery; the first extension area is connected with the positive electrode of the battery cell, and the second extension area is connected with the negative electrode of the battery cell. According to the battery protection board, the two extension areas are arranged to be connected with the battery core, and the switching nickel sheets do not need to be arranged in the piece distribution area, so that the piece distribution space of the piece distribution area is increased, the working heat productivity of the battery protection board is reduced, the production cost is effectively reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of mobile phone batteries, in particular to a battery protection plate and a mobile phone battery.
Background
The front or the back in the present trade cell-phone lithium battery protection board cloth piece region all need paste the switching nickel piece and just can be connected with electric core utmost point ear, and because battery protection board structure is little, after pasting the switching nickel piece, cloth piece region becomes very narrow and small, needs the multilayer design just can satisfy the heavy current and fills soon for battery protection board cost increases very much, and multilayer design battery protection board often adopts little blind buried via technology (HDI), and production technology is loaded down with trivial details, and is with high costs, and production efficiency is low.
Disclosure of Invention
The invention mainly aims to provide a battery protection plate, and aims to solve the problems that the battery protection plate needs a multi-layer design to meet the requirement of high-current quick charging and the battery protection plate is complicated in production process, so that the production cost is high and the production efficiency is low.
In order to achieve the above object, the present invention provides a battery protection plate, which includes a connector, a flexible plate region, a cloth region, a film covering region and an extension region;
the flexible board area is a strip shape with a bend, and the cloth area is a strip shape;
the connector is arranged at one end of the flexible board area, and the other end of the flexible board area is connected with the short edge of the cloth piece area;
the long edge of the cloth piece area on the same side as the bending side of the flexible board area is provided with two extension areas and two film covering areas, the extension areas are a first extension area and a second extension area respectively, and the film covering areas are a first film covering area and a second film covering area respectively;
the first extension area is connected with the cloth piece area through the first film covering area, the second extension area is connected with the cloth piece area through the second extension area, and a preset distance is arranged between the first extension area and the second extension area; the two extension areas are respectively bent by taking the corresponding film covering areas as axes;
the distance between the two extension areas is the same as the distance between the battery cell tabs of the battery; the first extension area is used for being connected with the positive electrode of the battery cell, and the second extension area is used for being connected with the negative electrode of the battery cell.
Further, the soft board area is made of an FPC soft board, and the cloth area is made of an FPC soft board or an FPC reinforcing board.
Further, the first extension region and the second extension region are made of copper.
Further, the connection mode of the first extension area and the positive electrode of the battery cell and the connection mode of the second extension area and the negative electrode of the battery cell are laser welding.
Furthermore, the flexible board area is of a sheet structure and is of an L-shaped structure, chamfers are arranged at two ends of the flexible board area and at the bending position of the L-shaped structure, and the bending angle of the bending position of the L-shaped structure is 45-135 degrees.
Furthermore, the cloth piece area is of a sheet structure, the cloth piece area is rectangular, chamfers are arranged at all corners of the rectangle, and the width of one end, connected with the cloth piece area, of the soft board area is the same as the width of the short edge of the cloth piece area.
Furthermore, the soft board area and the cloth area are integrally formed into an FPC soft board.
Furthermore, a notch is arranged at the joint of the cloth part area and the extension area, the notch is larger than or equal to the width of the extension area, and a chamfer is arranged at the edge of the notch.
Furthermore, an extension plate and a third film covering region are arranged on the cloth region and located on the opposite side of the first extension region and the second extension region, the extension plate is fixedly connected with the long side of the cloth region through the third film covering region, and the extension plate is bent by taking the third film covering region as an axis.
The invention also provides a mobile phone battery, which comprises any one of the battery protection plates.
The invention discloses a battery protection board and a mobile phone battery, wherein the battery protection board comprises a connector, a flexible board area, a cloth area, a film covering area and an extension area; the flexible board area is a strip shape with a bend, and the cloth area is a strip shape; the connector is arranged at one end of the flexible board area, and the other end of the flexible board area is connected with the short edge of the cloth piece area; the long edge of the cloth piece area on the same side as the bending side of the flexible board area is provided with two extension areas and two film covering areas, the extension areas are a first extension area and a second extension area respectively, and the film covering areas are a first film covering area and a second film covering area respectively; the first extension area is connected with the cloth piece area through the first film covering area, the second extension area is connected with the cloth piece area through the second extension area, and a preset distance is arranged between the first extension area and the second extension area; the two extension areas are respectively bent by taking the corresponding film covering areas as axes; the distance between the two extension areas is the same as the distance between the battery cell tabs of the battery; the first extension area is used for being connected with the positive electrode of the battery cell, and the second extension area is used for being connected with the negative electrode of the battery cell. According to the battery protection plate, the first extension area and the second extension area are connected with the battery core, and the switching nickel sheet does not need to be arranged in the piece distribution area, so that the piece distribution space of the piece distribution area is increased, the situation that the battery protection plate needs to be designed in multiple layers to meet the requirement of high-current quick charging is avoided, the working heat productivity of the battery protection plate is reduced, the production cost is effectively reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a battery protection plate according to the present invention;
fig. 2 is a schematic structural view of a battery protection plate according to the prior art.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a battery protection plate, which includes a connector 3, a flexible plate region 1, a cloth region 2, a film covering region and an extension region; the flexible board area 1 is a strip with a bend, and the cloth area 2 is a strip; one end of the flexible board area 1 is provided with the connector 3, and the other end of the flexible board area 1 is connected with the short edge of the cloth piece area 2; the long edge of the cloth piece area 2 on the same side as the bending side of the flexible board area 1 is provided with two extension areas and two film covering areas, the extension areas are a first extension area 4 and a second extension area 5 respectively, and the film covering areas are a first film covering area 6 and a second film covering area 7 respectively; the first extension area 4 is connected with the cloth area 2 through the first film covering area 6, the second extension area 5 is connected with the cloth area 2 through the second extension area 5, and a preset distance is arranged between the first extension area 4 and the second extension area 5; the two extension areas are respectively bent by taking the corresponding film covering areas as axes; the distance between the two extension areas is the same as the distance between the battery cell tabs of the battery; the first extension region 4 is used for being connected with the positive electrode of the battery cell, and the second extension region 5 is used for being connected with the negative electrode of the battery cell.
In this embodiment, the battery protection board may be a protection board for a mobile phone battery, or may be a protection board for other electronic devices, and the flexible board region 1 has a bent strip shape, and the strip shape may be a rectangular shape or a shape similar to a rectangular shape. The bend may be at any angle. The connector 3 may be a header type connector 3 or a leaf spring type connector 3. The long or short side refers to a side having a longer or shorter length with respect to the same board region 1 or cloth region 2. The two extension areas are spatially isolated and provided with a space; the film coating area is treated by a film coating process, so that the toughness of the film coating area is increased, and the film coating area cannot be broken after being bent and deformed. Because the first extension region 4 and the second extension region 5 are arranged to be connected with the battery core, compared with the traditional battery protection board (refer to fig. 2), the battery protection board does not need to be provided with the switching nickel sheet in the piece distribution region 2, the piece distribution space of the piece distribution region 2 is increased, the area is relatively increased, the sufficient space avoids the situation that the battery protection board needs multilayer design to meet the requirement of high-current quick charging, and because the multilayer design is not needed, the working heat productivity of the battery protection board is reduced, the service life of the battery protection board is prolonged, the production cost is effectively reduced, and the production efficiency is improved.
In one embodiment, the flexible board area 1 is made of an FPC flexible board, and the cloth part area 2 is made of an FPC flexible board or an FPC reinforcing board.
In the present embodiment, the FPC flexible board is preferably a double-layer flexible board, and the flexible board of the double-layer flexible board is a flexible board of the simplest structure. The process for etching the circuit on the double-layer soft board is simple, and compared with a PCB (printed circuit board) used in the conventional battery protection board technology and a multi-layer soft board, the micro-blind buried hole technology is not needed, so that the production cost is effectively reduced, and the production efficiency is improved.
In one embodiment, the first and second extensions 4, 5 are made of copper.
In the present embodiment, copper has the characteristics of high conductivity, corrosion resistance, suitable strength, easy forming, relatively low cost, easy welding, etc. compared with other metals, and what is needed for the first extension region 4 and the second extension region 5 is a material with high conductivity, corrosion resistance, suitable strength, easy forming, etc. In addition, nickel, aluminum, platinum, and the like are also possible.
In one embodiment, the connection manner of the first extension region 4 and the cell positive electrode and the connection manner of the second extension region 5 and the cell negative electrode are laser welding.
In one embodiment, the flexible board area 1 is a sheet-shaped structure and is in an "L" shape, chamfers are arranged at two ends of the flexible board area 1 and at a bending position of the "L" shape, and a bending angle of the bending position of the "L" shape is 45-135 degrees.
In the present embodiment, the flexible board region 1 is provided in a sheet structure, and is preferably provided in an "L" shape according to the installation space of the battery protection board.
In one embodiment, the cloth area 2 is a sheet-shaped structure, and the cloth area 2 is rectangular, and each corner of the rectangle is provided with a chamfer.
In this embodiment, set up the chamfer with each angle in flexible board district 1 and cloth 2 district, easy to assemble improves production efficiency to because the damage that causes of colliding with when reducing production.
In one embodiment, the flexible board area 1 and the cloth area 2 are an integrally formed FPC flexible board.
In one embodiment, the cloth part area 2 is provided with a gap at the connection part with the extension area, the gap is greater than or equal to the width of the extension area, and the edge of the gap is provided with a chamfer.
In this embodiment, the setting of breach, easy to assemble improves production efficiency, and the chamfer of setting is equally easy to assemble, improves production efficiency to because the damage that causes of colliding with when reducing production.
In one embodiment, an extension plate and a third film covering region are arranged on the cloth region 2 at the opposite side of the first extension region 4 and the second extension region 5, the extension plate is fixedly connected with the long side of the cloth region 2 through the third film covering region, and the extension plate is bent by taking the third film covering region as an axis.
In this embodiment, the cloth piece region 2 is provided with an extension plate at the opposite side of the first extension region 4 and the second extension region 5, and the extension plate only needs to be shaped to match the connection edge with the cloth piece region 2. The extension plate can be a heat dissipation part and is only used for dissipating heat, so that the heat dissipation effect of the battery protection plate is improved. The extension board can also be a copper foil, and the copper foil is used for increasing the cloth area of cloth district 2, and then increases the electric current and walks the line area, can also play the effect that reduces the temperature rise simultaneously.
The invention also provides a mobile phone battery, which comprises any one of the battery protection plates.
The invention discloses a battery protection board and a mobile phone battery, wherein the battery protection board comprises a connector 3, a flexible board area 1, a cloth area 2, a film covering area and an extension area; the flexible board area 1 is a strip with a bend, and the cloth area 2 is a strip; one end of the flexible board area 1 is provided with the connector 3, and the other end of the flexible board area 1 is connected with the short edge of the cloth piece area 2; the long edge of the cloth piece area 2 on the same side as the bending side of the flexible board area 1 is provided with two extension areas and two film covering areas, the extension areas are a first extension area 4 and a second extension area 5 respectively, and the film covering areas are a first film covering area 6 and a second film covering area 7 respectively; the first extension area 4 is connected with the cloth area 2 through the first film covering area 6, the second extension area 5 is connected with the cloth area 2 through the second extension area 5, and a preset distance is arranged between the first extension area 4 and the second extension area 5; the two extension areas are respectively bent by taking the corresponding film covering areas as axes; the distance between the two extension areas is the same as the distance between the battery cell tabs of the battery; the first extension region 4 is used for being connected with the positive electrode of the battery cell, and the second extension region 5 is used for being connected with the negative electrode of the battery cell. According to the invention, the first extension area 4 and the second extension area 5 are connected with the battery core, and the switching nickel sheet is not required to be arranged in the piece distribution area 2, so that the piece distribution space of the piece distribution area 2 is increased, the requirement of a multi-layer design for a battery protection plate on high-current quick charge is avoided, the heat productivity of the battery protection plate in work is reduced, the production cost is effectively reduced, and the production efficiency is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A battery protection plate is characterized by comprising a connector, a soft plate area, a cloth piece area, a film covering area and an extension area;
the flexible board area is a strip shape with a bend, and the cloth area is a strip shape;
the connector is arranged at one end of the flexible board area, and the other end of the flexible board area is connected with the short edge of the cloth piece area;
the long edge of the cloth piece area on the same side as the bending side of the flexible board area is provided with two extension areas and two film covering areas, the extension areas are a first extension area and a second extension area respectively, and the film covering areas are a first film covering area and a second film covering area respectively;
the first extension area is connected with the cloth piece area through the first film covering area, the second extension area is connected with the cloth piece area through the second extension area, and a preset distance is arranged between the first extension area and the second extension area; the two extension areas are respectively bent by taking the corresponding film covering areas as axes;
the distance between the two extension areas is the same as the distance between the battery cell tabs of the battery; the first extension area is used for being connected with the positive electrode of the battery cell, and the second extension area is used for being connected with the negative electrode of the battery cell.
2. The battery protection board according to claim 1, wherein the flexible board region is made of a flexible FPC board, and the cloth member region is made of a flexible FPC board or a reinforcing FPC board.
3. The battery protection plate as claimed in claim 1, wherein the first and second extension regions are made of copper.
4. The battery protection plate of claim 3, wherein the connection manner of the first extending region and the cell positive electrode and the connection manner of the second extending region and the cell negative electrode are laser welding.
5. The battery protection plate as claimed in claim 1, wherein the flexible board region has a sheet structure and an "L" shape, the two ends of the flexible board region and the bent portion of the "L" shape are provided with chamfers, and the bent portion of the "L" shape has a bending angle of 45-135 degrees.
6. The battery protection sheet as claimed in claim 1, wherein the cloth member region has a sheet-like structure, and the cloth member region has a rectangular shape, and each corner of the rectangular shape is provided with a chamfer.
7. The battery protection board as claimed in claim 1, wherein the flexible board region and the cloth region are an integrally molded FPC flexible board.
8. The battery protection plate according to claim 1, wherein the cloth member region is provided with a notch at a connection with the extension region, the notch is greater than or equal to a width of the extension region, and edges of the notch are provided with chamfers.
9. The battery protection plate according to claim 1, wherein an extension plate and a third film covering region are disposed on the cloth region at opposite sides of the first extension region and the second extension region, the extension plate is fixedly connected to a long side of the cloth region through the third film covering region, and the extension plate is bent around the third film covering region.
10. A battery for cellular phones, characterized by comprising the battery protection sheet according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101841.0A CN111029517A (en) | 2019-11-12 | 2019-11-12 | Battery protection board and mobile phone battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101841.0A CN111029517A (en) | 2019-11-12 | 2019-11-12 | Battery protection board and mobile phone battery |
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| Publication Number | Publication Date |
|---|---|
| CN111029517A true CN111029517A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911101841.0A Pending CN111029517A (en) | 2019-11-12 | 2019-11-12 | Battery protection board and mobile phone battery |
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| Country | Link |
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| CN (1) | CN111029517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854424A (en) * | 2019-11-13 | 2020-02-28 | 惠州市华阳多媒体电子有限公司 | Automatic production line and automatic production process for battery protection board of smart phone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110016706A1 (en) * | 2006-04-19 | 2011-01-27 | Exa Energy Technology Co., Ltd. | Rechargeable battery fabrication method |
| CN207184097U (en) * | 2017-08-25 | 2018-04-03 | 欣旺达电子股份有限公司 | Battery fast charge soft board and its protection board |
| CN207602672U (en) * | 2017-12-18 | 2018-07-10 | 惠州Tcl金能电池有限公司 | Internal battery structure and the intelligent terminal equipped with it |
| CN208423037U (en) * | 2018-08-13 | 2019-01-22 | Oppo广东移动通信有限公司 | Built-in battery and electronic equipment with it |
-
2019
- 2019-11-12 CN CN201911101841.0A patent/CN111029517A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110016706A1 (en) * | 2006-04-19 | 2011-01-27 | Exa Energy Technology Co., Ltd. | Rechargeable battery fabrication method |
| CN207184097U (en) * | 2017-08-25 | 2018-04-03 | 欣旺达电子股份有限公司 | Battery fast charge soft board and its protection board |
| CN207602672U (en) * | 2017-12-18 | 2018-07-10 | 惠州Tcl金能电池有限公司 | Internal battery structure and the intelligent terminal equipped with it |
| CN208423037U (en) * | 2018-08-13 | 2019-01-22 | Oppo广东移动通信有限公司 | Built-in battery and electronic equipment with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854424A (en) * | 2019-11-13 | 2020-02-28 | 惠州市华阳多媒体电子有限公司 | Automatic production line and automatic production process for battery protection board of smart phone |
| CN110854424B (en) * | 2019-11-13 | 2021-01-05 | 惠州市华阳多媒体电子有限公司 | Automatic production line and automatic production process for battery protection board of smart phone |
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Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |