Battery protection board, battery and electronic equipment

Abstract

The utility model provides a battery protection board, a battery and electronic equipment, and relates to the technical field of battery protection boards. According to the battery protection board provided by the invention, the power circuit is arranged on the printed circuit board, and the signal line is arranged on the line concentration component, so that the wiring of the signal line does not occupy the space on the printed circuit board. Therefore, according to the battery protection board provided by the invention, an enough space for arranging the power circuit is provided on the printed circuit board, the number of board layers of the printed circuit board is reduced, and the board length and the board width of the printed circuit board are reduced. According to the battery protection board provided by the invention, the side, back to the printed circuit board, of the line concentration component is coated by the coating component, so that the line concentration component is effectively protected by the coating component, and interference damage between the line concentration component and an external structure is favorably avoided to a certain extent.

Description

Technical Field

[0001] This application relates to the field of battery protection board technology, and in particular to a battery protection board, battery, and electronic device. Background Technology

[0002] In existing battery protection board technology, PCB (Printed Circuit Board) traces are typically located on inner or outer layers. With a large number of traces, this can lead to increased PCB space, reducing the available power copper area. When space is insufficient, adding more layers is necessary to increase trace space; otherwise, the PCB's current-carrying capacity will decrease. However, adding more layers also increases the PCB thickness, resulting in a larger battery protection board size. Utility Model Content

[0003] In view of this, this application provides a battery protection board, a battery, and an electronic device, with the aim of solving the above-mentioned technical problems to a certain extent.

[0004] A first aspect of this application provides a battery protection board, the battery protection board comprising:

[0005] A printed circuit board, wherein the printed circuit board is provided with a power circuit;

[0006] A hub component is provided with signal lines, the hub component is attached to the printed circuit board, and the signal lines are electrically connected to the power circuit;

[0007] A covering member is provided, which covers the outside of the hub member to shield the side of the hub member that is away from the printed circuit board.

[0008] Optionally, the printed circuit board includes a board body and a through hole penetrating the board body, and the printed circuit board further includes a filler and an electroplating portion;

[0009] The filler is filled into the through hole, and the electroplating part is plated on the outside of the filler;

[0010] The hub component has a first pad that is electrically connected to the signal line. The first pad is soldered to the electroplated part so that the signal line is electrically connected to the power circuit.

[0011] Optionally, the hub component has a first pad electrically connected to the signal line, and the printed circuit board has a second pad corresponding to the position of the first pad. The first pad and the second pad are soldered to each other so that the signal line is electrically connected to the power circuit.

[0012] Optionally, the covering component includes a covering film that also completely covers the side of the printed circuit board that is attached to the hub component.

[0013] Optionally, the hub component is configured as a flexible structure with less stiffness than the printed circuit board;

[0014] And / or, the thickness of the hub component is 0.01mm-0.3mm.

[0015] Optionally, the printed circuit board has a soldering portion, and the hub has a first pad electrically connected to the signal line, the first pad being soldered to the soldering portion so that the signal line is electrically connected to the power circuit;

[0016] The power circuit is located on the side of the printed circuit board opposite to the side where the soldering part is located.

[0017] Optionally, the battery protection board further includes an adhesive layer disposed between the printed circuit board and the hub component;

[0018] The adhesive layer is located in the area outside the welded portion and the first solder pad.

[0019] Optionally, the first pads are arranged in pairs, and the signal line includes a line portion connected between each pair of first pads;

[0020] The battery protection board includes multiple pairs of first pads spaced apart along a first direction, with adjacent pairs of first pads intersecting each other in a second direction, and the second direction intersecting the first direction.

[0021] A second aspect of this application provides a battery that includes a battery protection board as described above.

[0022] A third aspect of this application provides an electronic device comprising the battery described above.

[0023] According to the battery protection board provided in this application, the power circuit is placed on the printed circuit board, and the signal lines are placed on the hub components, so that the signal lines do not occupy space on the printed circuit board. Therefore, the battery protection board provided in this application provides sufficient space on the printed circuit board for arranging the power circuit, which helps to reduce the number of layers on the printed circuit board and reduce the length and width of the printed circuit board.

[0024] According to the battery protection board provided in this application, by covering the side of the hub component facing away from the printed circuit board with the covering component, the hub component is effectively protected by the covering component, which to a certain extent helps to avoid interference damage between the hub component and the external structure.

[0025] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 A schematic diagram of a two-dimensional view of a battery protection board provided according to an embodiment of this application is shown;

[0028] Figure 2 A schematic diagram of yet another two-dimensional view of a battery protection board provided according to an embodiment of this application is shown;

[0029] Figure 3 A schematic diagram of a two-dimensional printed circuit board of a solar panel provided according to an embodiment of this application is shown.

[0030] Figure 4 A schematic diagram of a two-dimensional view of a hub component of a solar panel provided according to an embodiment of this application is shown.

[0031] Figure label:

[0032] 10-Printed circuit board; 11-Board body; 12-Soldering part; 20-Bucking component; 21-First pad; 22-Circuit part; 30-Covering component; 40-First direction; 50-Second direction. Detailed Implementation

[0033] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0037] According to a first aspect of the embodiments of this application, a battery protection board is provided, which will be described below in conjunction with... Figures 1 to 4 Describe in detail the structure and working principle of the battery protection board.

[0038] According to the embodiments of this application, the battery protection board includes a printed circuit board 10, a hub component 20, and a covering component 30. In the embodiments, the printed circuit board 10 is provided with a power circuit, the hub component 20 is provided with signal lines, the hub component 20 is attached to the printed circuit board 10, and the signal lines are electrically connected to the power circuit.

[0039] In one embodiment, the covering member 30 covers the outside of the hub member 20 to shield the side of the hub member 20 that is away from the printed circuit board 10.

[0040] Thus, according to the battery protection board provided in the embodiments of this application, the power circuit is disposed on the printed circuit board 10, and the signal lines are disposed on the hub component 20, so that the routing of the signal lines does not occupy space on the printed circuit board 10. Therefore, the battery protection board provided in the embodiments of this application provides sufficient space on the printed circuit board 10 for arranging the power circuit, which is beneficial to reducing the number of layers of the printed circuit board 10 and reducing the length and width of the printed circuit board 10.

[0041] In the embodiments, the battery protection board provided according to the embodiments of this application covers the side of the hub component 20 facing away from the printed circuit board 10 by the covering component 30. The hub component 20 is effectively protected by the covering component 30, which to a certain extent helps to avoid interference damage between the hub component 20 and the external structure.

[0042] In this embodiment, the printed circuit board 10 may be, for example, a PCB, or Printed Circuit Board. As an example, the hub component 20 may be, for example, a flexible printed circuit board, or FPC, or Flexible Printed Circuit.

[0043] According to the battery protection board provided in the embodiments of this application, the printed circuit board 10 may include a board body 11 and a through hole penetrating the board body 11. The printed circuit board 10 may also include a filler and an electroplated portion. In the embodiments, the filler fills the through hole, and the electroplated portion is plated on the outside of the filler.

[0044] Based on this, in an embodiment, the hub component 20 may have a first pad 21 electrically connected to the signal line, and the first pad 21 may be soldered to the electroplating part so that the signal line is electrically connected to the power circuit.

[0045] According to the battery protection board provided in the embodiments of this application, through holes can be formed on the main body 11 of the printed circuit board 10, and then the through holes can be filled with a filler. An electroplated portion is then plated on the outside of the filler. In the embodiments, the electroplated portion is used to electrically connect signal lines and power circuits; in other words, the electroplated portion is electrically connected to both the power circuit and the signal lines.

[0046] In the embodiments, the form of the filler and electroplating part mentioned in the above examples is essentially the electroplating cap process used in the prior art, and will not be described again here.

[0047] According to the battery protection board provided in the embodiments of this application, the hub component 20 may have a first pad 21 electrically connected to the signal line, and the printed circuit board 10 may have a second pad corresponding to the position of the first pad 21. The first pad 21 and the second pad are soldered to make the signal line electrically connected to the power circuit.

[0048] Similar to the electroplated cap used above, the battery protection board provided according to the embodiments of this application can also directly provide a first pad 21 on the printed circuit board 10. The first pad 21 can be electrically connected to the power circuit. Thus, the power circuit and the signal line are electrically connected by soldering the first pad 21 and the second pad together.

[0049] According to the battery protection board provided in the embodiments of this application, the covering component 30 may include a covering film, which may also completely cover the side of the printed circuit board 10 that is attached to the hub component 20.

[0050] According to the battery protection board provided in the embodiments of this application, the battery protection board and the hub component 20 are configured as a flexible structure with a stiffness less than that of the printed circuit board 10, so as to facilitate the adjustment of the position of the hub component 20 when soldering to the printed circuit board 10.

[0051] According to the battery protection board provided in the embodiments of this application, as an alternative or additional example, the thickness of the hub member 20 can be, for example, 0.01mm-0.3mm, such as 0.05mm-0.3mm. In the embodiments, if the hub member 20 is too thin, it may be easily damaged; if the hub member 20 is too thick, the battery protection board may occupy too much space. In the embodiments, the thickness of the hub member 20 can be, for example, 0.05 mm, 0.1 mm, 0.15 mm, 0.2 mm, or 0.25 mm.

[0052] According to the battery protection board provided in the embodiments of this application, in the embodiments, the power circuit can be arranged on the side of the printed circuit board 10 opposite to the side where the soldering part 12 is located, so as to make full use of the space on the printed circuit board 10.

[0053] According to the battery protection board provided in the embodiments of this application, the battery protection board may further include an adhesive layer. The adhesive layer may be disposed between the printed circuit board 10 and the hub component 20, and the adhesive layer may be located in an area other than the solder portion 12 and the first solder pad 21. The adhesive layer may be, for example, AD adhesive; in other words, the non-soldering areas of the hub component 20 and the printed circuit board 10 may be bonded using AD adhesive. Furthermore, the soldering between the hub component 20 and the printed circuit board 10 may be performed using laser soldering or tin soldering.

[0054] According to the battery protection board provided in the embodiments of this application, as an example, the first pads 21 are arranged in pairs, and the signal lines may include a line section 22 connected between each pair of first pads 21 for transmitting signals.

[0055] The battery protection board includes multiple pairs of first pads 21 spaced apart along a first direction 40 (e.g., the width direction of the battery protection board), and adjacent pairs of first pads 21 are staggered with each other in a second direction 50 (e.g., the first direction 40 perpendicular to the width direction of the battery protection board).

[0056] According to a second aspect of the embodiments of this application, a battery protection board is provided. The battery includes the battery protection board as described above and also has the above-mentioned beneficial effects, which will not be repeated here. The battery may include, for example, pouch cells.

[0057] According to a third aspect of the embodiments of this application, an electronic device is provided. The electronic device includes the battery as described above and also has the beneficial effects as described above, which will not be repeated here. The electronic device may be, for example, a portable mobile communication device, such as a mobile phone, or a laptop computer.

[0058] The above are merely preferred embodiments of this application and do not limit the scope of protection of this application. Any equivalent structural transformations made based on the innovative concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the scope of protection of this application.

Claims

1. A battery protection plate, characterized in that, The battery protection board includes: A printed circuit board, wherein the printed circuit board is provided with a power circuit; A hub component is provided with signal lines, the hub component is attached to the printed circuit board, and the signal lines are electrically connected to the power circuit; A covering member is provided, which covers the outside of the hub member to shield the side of the hub member that is away from the printed circuit board.

2. The battery protection plate of claim 1, wherein, The printed circuit board includes a board body and a through hole penetrating the board body; the printed circuit board also includes filler and electroplating portion. The filler is filled into the through hole, and the electroplating part is plated on the outside of the filler; The hub component has a first pad that is electrically connected to the signal line. The first pad is soldered to the electroplated part so that the signal line is electrically connected to the power circuit.

3. The battery protection board according to claim 1, characterized in that, The hub component has a first pad that is electrically connected to the signal line, and the printed circuit board has a second pad that corresponds to the position of the first pad. The first pad and the second pad are soldered together so that the signal line is electrically connected to the power circuit.

4. The battery protection board according to claim 1, characterized in that, The covering component includes a covering film, which also completely covers the side of the printed circuit board that is attached to the hub component.

5. The battery protection board according to claim 1, characterized in that, The hub component is configured as a flexible structure with less stiffness than the printed circuit board; And / or, the thickness of the hub component is 0.01mm-0.3mm.

6. The battery protection board according to claim 1, characterized in that, The printed circuit board has a soldering portion, and the hub has a first pad that is electrically connected to the signal line. The first pad is soldered to the soldering portion so that the signal line is electrically connected to the power circuit. The power circuit is located on the side of the printed circuit board opposite to the side where the soldering part is located.

7. The battery protection board according to claim 6, characterized in that, The battery protection board also includes an adhesive layer, which is disposed between the printed circuit board and the wiring component; The adhesive layer is located in the area outside the welded portion and the first solder pad.

8. The battery protection board according to claim 6, characterized in that, The first pads are arranged in pairs, and the signal line includes a line portion connecting each pair of first pads; The battery protection board includes multiple pairs of first pads spaced apart along a first direction, with adjacent pairs of first pads intersecting each other in a second direction, and the second direction intersecting the first direction.

9. A battery, characterized in that, The battery includes a battery protection board as described in any one of claims 1 to 8.

10. An electronic device, characterized in that, The electronic device includes the battery as described in claim 9.

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