Battery cell capable of being mounted on surface

Abstract

The utility model belongs to the field of new energy, and in particular relates to a surface-mountable battery cell, which comprises a shell, a battery cell, a battery module and a battery module, and is characterized in that the shell is provided with an accommodating cavity; the battery cell assembly is arranged in the accommodating cavity, and a first current collector and a second current collector are arranged on the battery cell assembly; one end of the first patch pin penetrates through the shell to be connected with the first current collector, and the other end of the first patch pin is exposed out of the shell; one end of the second patch pin penetrates through the shell to be connected with the second current collector, and the other end of the second patch pin is exposed out of the shell. According to the utility model, whether the battery cell is independently mounted on the mounting surface or a plurality of battery cells are mounted on the mounting surface in series or in parallel, the operation is relatively convenient and simple, so that when the battery cell goes wrong, the maintenance and replacement difficulty is lower.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of new energy sources, and particularly relates to a surface mountable battery cell. BACKGROUND

[0002] Battery cells are classified into three types: aluminum shell battery cells, soft package battery cells (also known as "polymer battery cells"), and cylindrical battery cells, which differ in specifications. The process of assembling them on a circuit board and then connecting them in series or parallel is relatively complicated, and it is difficult to repair and replace them.

[0003] A prior art patent discloses a cladding structure, a battery cell, and a battery (application number CN202122982187.8). The cladding structure is used to clad a battery cell. The battery cell includes a battery cell body, an anode contact portion, and a cathode contact portion. The battery cell body includes a first end and a second end opposite to each other. The anode contact portion is arranged at the first end, and the cathode contact portion is arranged at the second end. The cladding structure includes a first cladding portion, a second cladding portion, and a third cladding portion. The first cladding portion clads the outer side of the portion of the battery cell body between the first end and the second end. The second cladding portion clads the first end. The second cladding portion is arranged to expose the anode contact portion. The third cladding portion clads the second end. The third cladding portion is arranged to expose the cathode contact portion. In the battery cell structure disclosed in the prior art patent, whether a single battery cell is assembled on a circuit board or multiple battery cells are assembled on a circuit board to be connected in series or parallel, the operation is relatively complicated, making it difficult to repair and replace the battery cell when a problem occurs. SUMMARY

[0004] To solve the above problems, the purpose of the utility model is to provide a surface mountable battery cell. Whether a single battery cell is assembled on a circuit board or multiple battery cells are assembled on a circuit board to be connected in series or parallel, the operation is relatively simple and convenient, making it easier to repair and replace the battery cell when a problem occurs.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows.

[0006] A surface mountable battery cell, characterized in that it comprises:

[0007] A shell having a receiving cavity;

[0008] A battery cell assembly arranged in the receiving cavity, and first and second current collectors arranged on the battery cell assembly;

[0009] A first patch pin, one end of which extends into the receiving cavity and is connected to the first current collector, and the other end of which is exposed outside the shell;

[0010] The second patch pin has one end extending into the accommodating cavity and connected with the second current collector, and the other end exposed outside the shell.

[0011] In the electric core, the other end of the first patch pin and the other end of the second patch pin are respectively used as the positive and negative poles of the electric core, and when the electric core is separately attached, the first bottom patch part and the second bottom patch part are respectively aligned with the positive and negative poles at the mounting positions of the circuit board, and then the electric core is directly attached to the circuit board; when multiple electric cores are attached in series or in parallel, the multiple electric cores are directly attached to the corresponding mounting positions of the circuit board in the above manner, and then the series or parallel connection can be realized through the circuit of the circuit board; that is, whether the electric core is separately attached to the mounting surface or multiple electric cores are attached in series or in parallel to the mounting surface, the operation is relatively convenient and simple, and when the electric core has a problem, the difficulty of maintenance and replacement is smaller.

[0012] Further, the shell comprises a first side, a second side and a bottom surface;

[0013] The first patch pin comprises a first connecting part, a first side patch part and a first bottom patch part, the first connecting part is connected with the first current collector, one end of the first side patch part is connected with the first connecting part and then is bent to be arranged on the first side, and the first bottom patch part is connected with the other end of the first side patch part and then is bent to be arranged on the bottom surface;

[0014] The second patch pin comprises a second connecting part, a second side patch part and a second bottom patch part, the second connecting part is connected with the second current collector, one end of the second side patch part is connected with the second connecting part and then is bent to be arranged on the second side, and the second bottom patch part is connected with the other end of the second side patch part and then is bent to be arranged on the bottom surface. The first bottom patch part and the second bottom patch part are respectively used as the positive and negative poles of the electric core, and when the electric core is separately attached, the first bottom patch part and the second bottom patch part are respectively aligned with the positive and negative poles at the mounting positions of the circuit board, and then the electric core is directly attached to the circuit board; when multiple electric cores are attached in series or in parallel, the multiple electric cores are directly attached to the corresponding mounting positions of the circuit board in the above manner, and then the series or parallel connection can be realized through the circuit of the circuit board; that is, whether the electric core is separately attached to the mounting surface or multiple electric cores are attached in series or in parallel to the mounting surface, the operation is relatively convenient and simple, and when the electric core has a problem, the difficulty of maintenance and replacement is smaller.

[0015] Further, the first side patch part is arranged on the first side, the second side patch part is arranged on the second side, and the first bottom patch part and the second bottom patch part are both arranged on the bottom surface.

[0016] Further, the first side and the second side are oppositely arranged on the shell.

[0017] Further, the first patch pin and the second patch pin are symmetrically arranged.

[0018] Further, the first side is provided with a first channel penetrating to the accommodating cavity, and the second side is provided with a second channel penetrating to the accommodating cavity; the first connecting part is attached to the first current collector, and one end of the first connecting part is bent to pass through the first channel and is connected to one end of the first side attaching part; the second connecting part is attached to the second current collector, and one end of the second connecting part is bent to pass through the second channel and is connected to one end of the second side attaching part.

[0019] Further, the shell comprises an upper shell and a lower shell, the upper shell is fixedly arranged on the lower shell, the accommodating cavity is formed between the upper shell and the lower shell, and the first channel and the second channel are formed at the joint of the upper shell and the lower shell.

[0020] Further, the first side attaching part is bent by 90 degrees after being connected to the first connecting part and is arranged on the first side, and the first bottom attaching part is bent by 90 degrees after being connected to the other end of the first side attaching part and is arranged on the bottom.

[0021] Further, the second side attaching part is bent by 90 degrees after being connected to the second connecting part and is arranged on the second side, and the second bottom attaching part is bent by 90 degrees after being connected to the other end of the second side attaching part and is arranged on the bottom.

[0022] Further, the battery cell assembly is a lithium ion battery cell.

[0023] In the utility model, the first bottom attaching part and the second bottom attaching part are respectively used as the positive and negative poles of the battery cell, when the battery cell is separately attached, the first bottom attaching part and the second bottom attaching part can be respectively aligned with the positive and negative poles at the mounting positions of the circuit board, and then the battery cell can be directly attached to the circuit board; when a plurality of battery cells are connected in series or in parallel and attached, the plurality of battery cells can be directly attached to the corresponding mounting positions of the circuit board in the above manner, and the series connection or parallel connection can be realized through the circuit board; that is, whether the battery cell is separately attached to the mounting surface or a plurality of battery cells are connected in series or in parallel and attached to the mounting surface, the operation is relatively convenient and simple, and when the battery cell has a problem, the difficulty of maintenance and replacement is smaller. ACCURACY OF DRAWINGS

[0024] Fig. 1 It is a structural schematic view of the utility model.

[0025] Fig. 2 It is a sectional view of the utility model.

[0026] Fig. 3 It is a structural schematic view of the hidden shell of the utility model.

[0027] 1, shell; 11, first side; 111, first channel; 12, second side; 121, second channel; 13, bottom; 14, accommodating cavity; 15, upper shell; 16, lower shell;

[0028] 2. an electric core assembly; 21. a first current collector; 22. a second current collector;

[0029] 3. a first patch pin; 31. a first connecting part; 32. a first side patch part; 33. a first bottom patch part;

[0030] 4. a second patch pin; 41. a second connecting part; 42. a second side patch part; 43. a second bottom patch part. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0032] Referring to Figs. 1-3 A surface mountable electric core, which can be mounted on a circuit board, comprising:

[0033] A shell 1 having a receiving cavity 14;

[0034] An electric core assembly 2, which is arranged in the receiving cavity 14, and the electric core assembly 2 is provided with a first current collector 21 and a second current collector 22;

[0035] A first patch pin 3, one end of which extends into the receiving cavity 14 and is connected with the first current collector 21, and the other end is exposed outside the shell 1;

[0036] A second patch pin 4, one end of which extends into the receiving cavity 14 and is connected with the second current collector 22, and the other end is exposed outside the shell 1.

[0037] In this embodiment, the shell 1 includes a first side 11, a second side 12 and a bottom surface 13, and the first side 11 and the second side 12 are the side surfaces of the shell, i.e. the front, rear, left and right side surfaces;

[0038] The first patch pin 3 includes a first connecting part 31, a first side patch part 32 and a first bottom patch part 33, the first connecting part 31 is connected with the first current collector 21, one end of the first side patch part 32 is connected with the first connecting part 31 and then is bent to be arranged on the first side 11, and the first bottom patch part 33 is connected with the other end of the first side patch part 32 and then is bent to be arranged on the bottom surface 13.

[0039] The second patch pin 4 comprises a second connecting portion 41, a second side patch portion 42 and a second bottom patch portion 43. The second connecting portion 41 is connected with the second current collector 22. One end of the second side patch portion 42 is connected with the second connecting portion 41 and then is bent to be arranged on the second side surface 12. The second bottom patch portion 43 is connected with the other end of the second side patch portion 42 and then is bent to be arranged on the bottom surface 13.

[0040] In the embodiment, the first side patch portion 32 is arranged on the first side surface 11, the second side patch portion 42 is arranged on the second side surface 12, and the first bottom patch portion 33 and the second bottom patch portion 43 are both arranged on the bottom surface 13.

[0041] In the embodiment, the first side surface 11 and the second side surface 12 are oppositely arranged on the shell 1, and the first current collector 21 and the second current collector 22 are also oppositely arranged. That is, the first side surface 11 and the second side surface 12 can be the left side and the right side of the shell 1, or the front side and the back side.

[0042] In the embodiment, the first patch pin 3 and the second patch pin 4 are symmetrically arranged.

[0043] In the embodiment, the first side surface 11 is provided with a first channel 111 penetrating to the accommodating cavity 14, and the second side surface 12 is provided with a second channel 121 penetrating to the accommodating cavity 14. The first connecting portion 31 is connected with the first current collector 21, and one end of the first connecting portion 31 is bent by 90 degrees and then passes through the first channel 111 to be connected with one end of the first side patch portion 32. The second connecting portion 41 is connected with the second current collector 22, and one end of the second connecting portion 41 is bent by 90 degrees and then passes through the second channel 121 to be connected with one end of the second side patch portion 42. The first patch pin 3 and the second patch pin 4 are integrally formed by a metal conductive material.

[0044] In the embodiment, the shell 1 comprises an upper shell 15 and a lower shell 16. The upper shell 15 is fixedly arranged on the lower shell. The accommodating cavity 14 is formed between the upper shell 15 and the lower shell 16, and the first channel 111 and the second channel 121 are formed at the joint of the upper shell 15 and the lower shell 16.

[0045] In the embodiment, one end of the first side patch portion 32 is connected with the first connecting portion 31 and then is bent by 90 degrees to be arranged on the first side surface 11. The first bottom patch portion 33 is connected with the other end of the first side patch portion 32 and then is bent by 90 degrees to be arranged on the bottom surface 13.

[0046] In the embodiment, one end of the second side patch portion 42 is connected with the second connecting portion 41 and then is bent by 90 degrees to be arranged on the second side surface 12. The second bottom patch portion 43 is connected with the other end of the second side patch portion 42 and then is bent by 90 degrees to be arranged on the bottom surface 13.

[0047] In the embodiment, the battery cell assembly 2 is a lithium ion battery cell. Specifically, the positive and negative electrode materials inside the lithium ion battery cell are arranged according to the prior art; in other modes, the battery cell assembly 2 can also be a battery cell structure composed of other prior positive and negative electrode materials.

[0048] In the embodiment, it should be noted that:

[0049] 1. Regardless of the material (not limited to lithium ion battery cells, including any material used for power storage, such as sodium ion battery cells, etc.), any form (solid and liquid) of the battery cell assembly is within the protection scope of the utility model;

[0050] 2. Regardless of the structure of the pin, as long as it can achieve surface mount packaging, it is within the protection scope of the utility model; specifically, the structure of the first surface mount pin and the second surface mount pin is the preferred implementation mode of the utility model, but it should be noted that any pin that can achieve surface mount packaging should be within the protection scope of the utility model.

[0051] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification, equivalent replacement, and improvement within the spirit and principles of the utility model should be included within the protection scope of the utility model.

Claims

1. A surface mountable electrical core, characterized by, The application relates to a battery cell module. The battery cell module comprises: a housing with a receiving cavity; a battery cell assembly arranged in the receiving cavity, and a first current collector and a second current collector arranged on the battery cell assembly; a first patch pin, one end of which extends into the receiving cavity and is connected with the first current collector, and the other end of which is exposed outside the housing; 2. The surface mountable chip of claim 1, wherein, a second patch pin, one end of which extends into the receiving cavity and is connected with the second current collector, and the other end of which is exposed outside the housing. The housing comprises a first side, a second side and a bottom surface. The first patch pin comprises a first connecting portion, a first side patch portion and a first bottom patch portion, the first connecting portion is connected with the first current collector, one end of the first side patch portion is connected with the first connecting portion and is bent to be arranged on the first side, and the first bottom patch portion is connected with the other end of the first side patch portion and is bent to be arranged on the bottom surface.

3. The surface mountable chip of claim 2, wherein, The second patch pin comprises a second connecting portion, a second side patch portion and a second bottom patch portion, the second connecting portion is connected with the second current collector, one end of the second side patch portion is connected with the second connecting portion and is bent to be arranged on the second side, and the second bottom patch portion is connected with the other end of the second side patch portion and is bent to be arranged on the bottom surface.

4. The surface mountable chip of claim 3, wherein, The first side patch portion is arranged on the first side, the second side patch portion is arranged on the second side, and the first bottom patch portion and the second bottom patch portion are both arranged on the bottom surface.

5. The surface mountable chip of claim 4, wherein, The first side and the second side are oppositely arranged on the housing.

6. The surface mountable chip of claim 2, wherein, The first patch pin and the second patch pin are symmetrically arranged.

7. The surface mountable chip of claim 6, wherein, The first side is provided with a first channel penetrating into the receiving cavity, the second side is provided with a second channel penetrating into the receiving cavity, the first connecting portion is connected with the first current collector, and one end of the first connecting portion is bent to pass through the first channel and is connected with one end of the first side patch portion, the second connecting portion is connected with the second current collector, and one end of the second connecting portion is bent to pass through the second channel and is connected with one end of the second side patch portion.

8. The surface mountable chip of claim 2, wherein, The housing comprises an upper housing and a lower housing, the upper housing is fixedly arranged on the lower housing, the receiving cavity is formed between the upper housing and the lower housing, and the first channel and the second channel are formed at the joint of the upper housing and the lower housing.

9. The surface mountable chip of claim 2, wherein, One end of the first side patch portion is connected with the first connecting portion and is bent by 90 degrees to be arranged on the first side, and the first bottom patch portion is connected with the other end of the first side patch portion and is bent by 90 degrees to be arranged on the bottom surface.

10. The surface-mountable power supply of any of claims 1-9, wherein the surface-mountable power supply is configured to be mounted on a surface of a device. One end of the second side patch portion is connected with the second connecting portion and is bent by 90 degrees to be arranged on the second side, and the second bottom patch portion is connected with the other end of the second side patch portion and is bent by 90 degrees to be arranged on the bottom surface. The battery cell assembly is a lithium ion battery cell.

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