Battery pack and electronic equipment

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery pack and electronic equipment. The battery pack comprises a shell assembly, a battery pack, a main board and a conductive assembly, the shell assembly comprises a first shell and a second shell, the opposite sides of the first shell and the second shell are provided with openings so as to be spliced to form an accommodating cavity, and the opposite sides of the first shell and the second shell are provided with a plurality of through holes; the battery pack is arranged in the accommodating cavity and comprises a plurality of battery blocks which are in one-to-one correspondence with the through holes; the mainboard is arranged on the side, away from the second shell, of the first shell. The battery pack is electrically connected with the mainboard. The conductive assembly comprises a first conductive sheet and a second conductive sheet, the first conductive sheet is arranged between the first shell and the mainboard, and the second conductive sheet is arranged on the side, away from the first shell, of the second shell; and the first conducting strip and the second conducting strip are electrically connected with the two ends of the battery block through the through holes respectively, and the positive electrode and the negative electrode of the battery pack are integrated on the outer side of the first shell or the outer side of the second shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a battery pack and electronic equipment. BACKGROUND

[0002] Based on the use demand of portability, more and more electronic equipment adopts battery pack as power source currently.

[0003] In prior art, the battery in battery pack is mostly split design and abuts and leans on each other. Since multiple batteries only abut and lean, the structural strength is low, if battery pack falls or is impacted, it is easy to make the gap between batteries and thus disconnect. And since the battery is impacted, it can also leak and cause short circuit, and there is a security risk. SUMMARY

[0004] The utility model discloses a battery pack and electronic equipment to solve the problem that the structural strength of the battery pack in prior art is low, the gap between batteries is easy to appear and thus disconnect. And it can leak and cause short circuit, and there is a security risk.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] On the one hand, a battery pack is provided, comprising:

[0007] A shell assembly comprises a first shell and a second shell, and the first shell and the second shell are provided with openings on opposite sides to splice to form a containing cavity. The first shell and the second shell are provided with a plurality of through holes on the side away from each other.

[0008] A battery pack is placed in the containing cavity and comprises a plurality of battery blocks, and the battery blocks correspond one-to-one to the through holes.

[0009] A mainboard is arranged on the side of the first shell away from the second shell, and the battery pack is electrically connected to the mainboard.

[0010] A conductive assembly comprises a first conductive sheet and a second conductive sheet. The first conductive sheet is arranged between the first shell and the mainboard, and the second conductive sheet is arranged on the side of the second shell away from the first shell. The first conductive sheet and the second conductive sheet are electrically connected to both ends of the battery block through the through hole, and the positive and negative poles of the battery pack are integrated on the outside of the first shell or the second shell.

[0011] As an optional technical scheme of the battery pack, the first conductive sheet and the second conductive sheet are both arranged as nickel sheets.

[0012] As an optional technical solution of the battery pack, the first conductive sheet comprises a bending part, the bending part can be welded with the main plate after being bent, and the second conductive sheet comprises a connecting part, the connecting part extends towards the main plate and is welded with the main plate.

[0013] As an optional technical solution of the battery pack, the first shell and / or the second shell are provided with a limiting ring, the connecting part passes through the limiting ring and is welded with the main plate.

[0014] As an optional technical solution of the battery pack, the first conductive sheet and the second conductive sheet are provided with a first cutting line, the first cutting line is an arc line, a side of the first cutting line is concave to form a tab, and the tab can be welded with the battery block after being deformed.

[0015] As an optional technical solution of the battery pack, the tab corresponds to the battery block one by one.

[0016] As an optional technical solution of the battery pack, the first conductive sheet and the second conductive sheet are provided with a second cutting line, the second cutting line is a straight line and cuts the tab along the midpoint of the first cutting line, so that the tab can be bent at a right angle.

[0017] As an optional technical solution of the battery pack, the first conductive sheet and the second conductive sheet are both multiple.

[0018] As an optional technical solution of the battery pack, the first shell and the second shell are provided with threaded holes, the threaded holes are one-to-one corresponding, and a fastener passes through two threaded holes to connect the first shell and the second shell.

[0019] In another aspect, an electronic device is provided, comprising the above battery pack.

[0020] The utility model discloses beneficial effects are:

[0021] This application discloses a battery pack and an electronic device. The battery pack includes a housing assembly, a battery pack, a motherboard, and a conductive component. The housing assembly includes a first housing and a second housing. Both the first housing and the second housing have openings on opposite sides to form a receiving cavity. Both the first housing and the second housing have multiple through holes on their opposite sides. The battery pack is placed in the receiving cavity and includes multiple battery blocks, with each battery block corresponding to one of the through holes. The motherboard is located on the side of the first housing opposite to the second housing, and the battery pack is electrically connected to the motherboard. The conductive component includes a first conductive sheet and a second conductive sheet. The first conductive sheet is located between the first housing and the motherboard, and the second conductive sheet is located on the side of the second housing opposite to the first housing. The first conductive sheet and the second conductive sheet are electrically connected to the two ends of the battery blocks through the through holes, and the positive and negative terminals of the battery pack are integrated on the outside of the first housing or the outside of the second housing. The battery blocks are placed inside the accommodating cavity, so that the first and second housings provide physical protection for the battery pack, improving the overall integrity and structural strength of the battery pack. Multiple battery blocks are welded to the first and second conductive plates to place the total positive and total negative terminals of the battery pack on one side, improving the safety of the battery pack. Furthermore, the battery pack can be repaired and replaced as a whole, improving the convenience of maintenance. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the battery pack provided in an embodiment of the present invention;

[0024] Figure 2 This is a first schematic diagram of a portion of the structure of the battery pack provided in this embodiment of the present utility model;

[0025] Figure 3 This is a second schematic diagram showing a partial structure of the battery pack provided in this embodiment of the present invention;

[0026] Figure 4 This is a third schematic diagram showing a partial structure of the battery pack provided in this embodiment of the present invention.

[0027] In the picture:

[0028] 10. Housing assembly; 11. First housing; 12. Second housing; 13. Limiting ring; 14. Threaded hole;

[0029] 20. Battery pack;

[0030] 30. Motherboard;

[0031] 40, electrically conductive assembly; 41, first electrically conductive sheet; 411, bent portion; 42, second electrically conductive sheet; 421, connecting portion; 43, cantilever. DETAILED DESCRIPTION

[0032] The utility model will be described in further detail below in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] In the description of the embodiment, the terms "upper", "lower", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0036] In the prior art, most of the batteries in the battery pack are designed as separate bodies and abut against each other. Since the multiple batteries only abut against each other, the structural strength is low, and if the battery pack falls or is impacted, gaps between the batteries are likely to occur, thereby causing disconnection; and since the batteries are impacted, liquid leakage is likely to occur, causing short circuit, which exists a safety hazard.

[0037] To solve the above problems, the embodiment provides an electronic device comprising a battery pack. Wherein, referring to Figures 1-4 The battery pack comprises a shell assembly 10, a battery pack 20, a mainboard 30 and a conductive assembly 40.

[0038] The shell assembly 10 comprises a first shell 11 and a second shell 12, and the first shell 11 and the second shell 12 are provided with openings on opposite sides to splice to form a receiving cavity, and the first shell 11 and the second shell 12 are provided with a plurality of through holes on the side away from each other. In the embodiment, the first shell 11 and the second shell 12 are provided with threaded holes 14, and the threaded holes 14 are one-to-one corresponding, and the fasteners pass through the two threaded holes 14 to connect the first shell 11 and the second shell 12. Specifically, the fasteners include studs, screws and the like. In other embodiments, a latch hole can be provided on the first shell 11 and the second shell 12 and connected by a latch. In other embodiments, one of the first shell 11 and the second shell 12 can be provided with a latch hole, and the other can be provided with a threaded hole 14.

[0039] Further, the battery pack 20 is placed in the receiving cavity and comprises a plurality of battery blocks, and the battery blocks correspond one-to-one to the through holes. In the embodiment, the battery blocks are provided as cylinders.

[0040] Further, the mainboard 30 is arranged on the side of the first shell 11 away from the second shell 12, and the battery pack 20 is electrically connected to the mainboard 30. Specifically, the mainboard 30 is connected to the first shell 11 by the fasteners, which is not easy to loosen and deform.

[0041] Further, the conductive assembly 40 comprises a first conductive sheet 41 and a second conductive sheet 42, the first conductive sheet 41 is arranged between the first shell 11 and the mainboard 30, and the second conductive sheet 42 is arranged on the side of the second shell 12 away from the first shell 11, the first conductive sheet 41 and the second conductive sheet 42 are respectively electrically connected to both ends of the battery blocks through the through holes and integrate the positive and negative electrodes of the battery pack 20 on the outside of the first shell 11 or the second shell 12. In the embodiment, the first conductive sheet 41 and the second conductive sheet 42 are both provided as nickel sheets.

[0042] Further, a PC insulating sheet is arranged between the mainboard 30 and the first conductive sheet 41, and a PC insulating sheet is arranged on the outside of the second conductive sheet 42. Specifically, the PC insulating sheet is pasted to the first conductive sheet 41 and the second conductive sheet 42 by back adhesive to avoid abnormal discharge of the battery pack 20. Specifically, the thickness of the PC insulating sheet is 0.1mm, and the thickness of the back adhesive is 0.1mm.

[0043] Specifically, the first conductive sheet 41 comprises a bending portion 411 capable of being welded to the main plate 30 after being bent, and the second conductive sheet 42 comprises a connecting portion 421 extending towards the main plate 30 and welded to the main plate 30. The first conductive sheet 41 is welded to the main plate 30 through the bending portion 411, and the second conductive sheet 42 is welded to the main plate 30 through the connecting portion 421, so as to realize the conduction between the first conductive sheet 41 and the second conductive sheet 42. In the embodiment, the first shell 11 and / or the second shell 12 are provided with a limiting ring 13, and the connecting portion 421 passes through the limiting ring 13 and is welded to the main plate 30. The connecting portion 421 passes through the limiting ring 13, which not only can position the connecting portion 421, but also can avoid the position deviation or breakage of the connecting portion 421 caused by impact.

[0044] Further, the first conductive sheet 41 and the second conductive sheet 42 are both provided with a first cutting line, the first cutting line is an arc line, and a tab 43 is formed on the concave side of the first cutting line, which can be deformed and welded to the battery block. Specifically, the first conductive sheet 41 and the second conductive sheet 42 are both provided with a second cutting line, the second cutting line is a straight line and cuts the tab 43 along the midpoint of the first cutting line, so that the tab 43 can be bent at right angles. In the embodiment, the tab 43 corresponds to one battery block. The tab 43 is welded to each battery block separately, and then the whole is fixed by the first conductive sheet 41 and the second conductive sheet 42, which improves the integrity of the battery pack 20.

[0045] Further, the first conductive sheet 41 and the second conductive sheet 42 are both multiple. The shapes of all the first conductive sheets 41 and the second conductive sheets 42 and the number of the tabs 43 can be different, which improves the degree of freedom of the first conductive sheet 41 and the second conductive sheet 42.

[0046] In the embodiment, the battery blocks are arranged in the accommodating cavity, the first shell 11 and the second shell 12 physically protect the battery pack 20, the integrity and the structural strength of the battery pack 20 are improved, the multiple battery blocks are welded to the first conductive sheet 41 and the second conductive sheet 42, so as to arrange the total positive electrode and the total negative electrode of the battery pack 20 on one side, improve the safety of the battery pack 20, and the battery pack 20 can be repaired and replaced as a whole, which improves the convenience of repair.

[0047] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A battery pack, characterized by, The application relates to a battery pack. The battery pack comprises a shell assembly (10), a battery group (20), a mainboard (30) and a conductive assembly (40). The shell assembly (10) comprises a first shell (11) and a second shell (12), and the first shell (11) and the second shell (12) are provided with openings on opposite sides to form a containing cavity. The battery group (20) is arranged in the containing cavity and comprises a plurality of battery blocks corresponding to the through holes. The mainboard (30) is arranged on the side of the first shell (11) away from the second shell (12), and the battery group (20) is electrically connected with the mainboard (30).

2. The battery pack of claim 1, wherein, The conductive assembly (40) comprises a first conductive sheet (41) and a second conductive sheet (42), the first conductive sheet (41) is arranged between the first shell (11) and the mainboard (30), the second conductive sheet (42) is arranged on the side of the second shell (12) away from the first shell (11), and the first conductive sheet (41) and the second conductive sheet (42) are electrically connected with the two ends of the battery blocks through the through holes and integrate the positive electrode and the negative electrode of the battery group (20) on the outside of the first shell (11) or the second shell (12).

3. The battery pack of claim 1, wherein, The first conductive sheet (41) and the second conductive sheet (42) are both nickel sheets.

4. The battery pack of claim 3, wherein, The first conductive sheet (41) comprises a bending part (411) capable of being welded with the mainboard (30) after being bent, and the second conductive sheet (42) comprises a connecting part (421) extending towards the mainboard (30) and welded with the mainboard (30).

5. The battery pack of claim 1, wherein, The first shell (11) and / or the second shell (12) are provided with a limiting ring (13), the connecting part (421) passes through the limiting ring (13) and is welded with the mainboard (30).

6. The battery pack of claim 5, wherein, The first conductive sheet (41) and the second conductive sheet (42) are both provided with a first cutting line, the first cutting line is an arc line, a side of the first cutting line is concave to form a flange (43), and the flange (43) can be welded with the battery block after being deformed.

7. The battery pack of claim 5, wherein, The flange (43) corresponds to the battery block.

8. The battery pack of claim 1, wherein, The first conductive sheet (41) and the second conductive sheet (42) are both provided with a second cutting line, the second cutting line is a straight line and cuts the flange (43) along the midpoint of the first cutting line, so that the flange (43) can be bent at right angles.

9. The battery pack of any one of claims 1-8, wherein, The first conductive sheet (41) and the second conductive sheet (42) are both multiple.

10. An electronic device, comprising: The first shell (11) and the second shell (12) are both provided with threaded holes (14) corresponding in position, and a fastener passes through the two threaded holes (14) to connect the first shell (11) and the second shell (12). The application further relates to a battery pack comprising any one of the battery packs according to claims 1-9.

Images