Battery and button battery

Abstract

The utility model relates to the technical field of batteries, in particular to a battery and a button battery. The battery comprises a battery cell body, a flexible circuit board and a connector, the flexible circuit board is arranged at one end of the battery cell body, a first switching piece and a second switching piece which are electrically connected are respectively arranged on the flexible circuit board, the first switching piece is electrically connected with a positive electrode of the battery cell body, the second switching piece is electrically connected with a negative electrode of the battery cell body, and a part of the flexible circuit board protrudes out of the side surface of the battery cell body; the connector is arranged on the part, protruding out of the battery cell body, of the flexible circuit board, is electrically connected with the flexible circuit board and is used for being connected with an electronic product in an inserting manner. In the use process of the battery provided by the embodiment, the detachable connection between the battery and an electronic product can be realized only by inserting the connector into the electronic product, when the battery of the electronic product needs to be replaced, the battery can be quickly disassembled, the replacement is simple, and the service life of the electronic product is further prolonged.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a battery and a button battery. Background Technology

[0002] Button batteries are small, round batteries that are small in size and light in weight, and are widely used in small electronic products such as watches, scales, and calculators.

[0003] Button batteries are typically attached to electronic products by soldering. The soldering method makes it difficult to remove the button battery from the electronic product when replacing the battery, resulting in a difficult replacement and shortening the service life of the electronic product. Utility Model Content

[0004] The technical problem to be solved by this utility model embodiment is to provide a battery and a button battery to solve the problem that in the prior art, when replacing batteries, the welding method is relatively strong, which makes it inconvenient to remove the button battery from the electronic product, resulting in difficulty in replacement and shortening the service life of the electronic product.

[0005] This utility model discloses a battery, including: a battery cell body, a flexible circuit board, and a connector; the flexible circuit board is disposed at one end of the battery cell body, and a first adapter piece and a second adapter piece are respectively disposed on the flexible circuit board for electrical connection, the first adapter piece being electrically connected to the positive electrode of the battery cell body, and the second adapter piece being electrically connected to the negative electrode of the battery cell body, a portion of the flexible circuit board protruding from the side of the battery cell body; the connector is disposed on the portion of the flexible circuit board protruding from the battery cell body and is electrically connected to the flexible circuit board, the connector being used for insertion into electronic products.

[0006] Optionally, the flexible circuit board includes an annular portion and a connecting portion electrically connected to each other. A notch is formed in the center of the annular portion. The first adapter piece is disposed on the side of the annular portion facing the battery cell body. The first adapter piece includes a first connecting portion, a second connecting portion and a third connecting portion connected in sequence. The second connecting portion is located in the notch and forms a gap with the annular portion. The second connecting portion is electrically connected to the positive electrode of the battery cell body. The first connecting portion and the third connecting portion are respectively electrically connected to the annular portion.

[0007] Optionally, the second adapter piece is disposed on the outer ring of the annular portion and is attached to the side wall of the cell body and electrically connected to the negative electrode of the cell body; the connecting portion protrudes from the cell body, and the connector is disposed on the side of the connecting portion facing the cell body.

[0008] Optionally, the second connecting portion is welded to the positive electrode of the battery cell body, the first connecting portion and the third connecting portion are welded to the annular portion, and the second adapter piece is welded to the annular portion and the negative electrode of the battery cell body, respectively.

[0009] Optionally, an annular insulating member is provided between the annular portion and the cell body, the annular insulating member being used to isolate the negative electrode of the cell body from the first connecting portion and the second connecting portion.

[0010] Optionally, a first insulating member is provided on the outer periphery of the battery cell body, and a second insulating member is provided at the end of the battery cell body away from the flexible circuit board. The first insulating member wraps around the second adapter piece and the outer periphery of the battery cell body, and the second insulating member covers the bottom of the battery cell body.

[0011] Optionally, a third insulating member is provided at the end of the annular portion away from the cell body, and the third insulating member covers the second connecting portion and the annular portion.

[0012] Optionally, the annular insulating element, the first insulating element, the second insulating element, and the third insulating element are all made of insulating adhesive paper.

[0013] Optionally, the side of the first insulating member closest to the second insulating member abuts against the second insulating member.

[0014] This utility model also discloses a button battery, the same as the battery described above.

[0015] Compared with the prior art, the beneficial effects of the battery and button battery provided by this utility model embodiment are as follows: A flexible circuit board is provided at one end of the cell body, and a first adapter piece and a second adapter piece for electrical connection are provided on the flexible circuit board. The first adapter piece is electrically connected to the positive electrode of the cell body, and the second adapter piece is electrically connected to the negative electrode of the cell body. The positive and negative electrodes of the cell body are led out through the flexible circuit board, and a portion of the flexible circuit board protrudes from the side of the cell body. A connector is provided on the portion of the flexible circuit board protruding from the cell body, and the cell body is electrically connected to the electronic product by plugging in the connector. In the use of the battery and button battery of this embodiment, the battery and electronic product can be detachably connected by simply plugging in the connector. When the electronic product needs to replace the battery, it can be quickly removed and replaced easily, thereby improving the service life of the electronic product. Attached Figure Description

[0016] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0017] Figure 1This is one of the exploded views of the battery provided in this embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the battery provided in this embodiment of the utility model;

[0019] Figure 3 This is the second exploded view of the battery provided in this embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the flexible circuit board, the first adapter piece, and the second adapter piece provided in this embodiment of the utility model.

[0021] The labels for the attached figures are as follows:

[0022] 10. Battery cell body; 110. Positive electrode; 120. Negative electrode; 20. Flexible circuit board; 210. Ring-shaped part; 2101. Notch; 220. Connecting part; 30. First adapter piece; 310. First connecting part; 320. Second connecting part; 330. Third connecting part; 40. Second adapter piece; 50. Connector; 60. Ring-shaped insulating component; 70. First insulating component; 80. Second insulating component; 90. Third insulating component. Detailed Implementation

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0024] This utility model embodiment provides a battery, such as Figures 1 to 4 As shown, the device includes a battery cell body 10, a flexible circuit board 20, and a connector 50. The flexible circuit board 20 is located at one end of the battery cell body 10. The flexible circuit board 20 is provided with a first adapter piece 30 and a second adapter piece 40 for electrical connection. The first adapter piece 30 is electrically connected to the positive electrode 110 of the battery cell body 10, and the second adapter piece 40 is electrically connected to the negative electrode 120 of the battery cell body 10. A portion of the flexible circuit board 20 protrudes from the side of the battery cell body 10. The connector 50 is located on the portion of the flexible circuit board 20 that protrudes from the battery cell body 10 and is electrically connected to the flexible circuit board 20. The connector 50 is used for insertion into electronic products.

[0025] In this embodiment, a flexible circuit board 20 is provided at one end of the battery cell body 10. A first adapter piece 30 and a second adapter piece 40 are provided on the flexible circuit board 20 for electrical connection. The first adapter piece 30 is electrically connected to the positive electrode 110 of the battery cell body 10, and the second adapter piece 40 is electrically connected to the negative electrode 120 of the battery cell body 10. The positive and negative electrodes of the battery cell body 10 are led out through the flexible circuit board, and a portion of the flexible circuit board 20 protrudes from the side of the battery cell body 10. A connector 50 is provided on the protruding portion of the flexible circuit board 20, allowing for electrical connection between the battery cell body 10 and an electronic product through insertion of the connector 50. During use, the battery in this embodiment only needs to be inserted into the electronic product via the connector 50 to achieve a detachable connection. When the battery needs to be replaced, it can be quickly removed, making replacement simple and thus extending the lifespan of the electronic product.

[0026] In this embodiment, the first adapter piece 30 and the second adapter piece 40 can be nickel sheets. Nickel sheets have good conductivity and can effectively transfer current, which helps to improve the conductivity and performance of the battery.

[0027] As a preferred embodiment, refer to Figure 3 and Figure 4 The flexible circuit board 20 includes an annular portion 210 and a connecting portion 220 that are electrically connected to each other. A notch 2101 is formed in the center of the annular portion 210. A first adapter piece 30 is disposed on the side of the annular portion 210 facing the battery cell body 10. The first adapter piece 30 includes a first connecting portion 310, a second connecting portion 320 and a third connecting portion 330 connected in sequence. The second connecting portion 320 is located in the notch 2101 and is electrically connected to the positive electrode 110 of the battery cell body 10. The first connecting portion 310 and the third connecting portion 330 are respectively electrically connected to the flexible circuit board 20.

[0028] The flexible circuit board 20 mainly consists of an annular portion 210 and a connecting portion 220 that are electrically connected. A notch 2101 is formed in the center of the annular portion 210. A first adapter piece 30 is disposed on the side of the annular portion 210 facing the battery cell body 10. The second connecting portion 320 of the first adapter piece 30 is located inside the notch 2101 and forms a gap with the annular portion 210. The first adapter piece 30 is electrically connected to the annular portion 210 through the first connecting portion 310 and the third connecting portion 330, thereby realizing the electrical connection between the first adapter piece 30 and the annular portion 210. The gap between the second connecting portion 320 and the annular portion 210 prevents a short circuit between the second connecting portion 320 and the annular portion 210.

[0029] As a preferred embodiment, refer to Figure 1 , Figure 3 and Figure 4The second adapter piece 40 is disposed on the outer ring of the annular portion 210 and is attached to the side wall of the cell body 10 and electrically connected to the negative terminal 120 of the cell body 10. The connecting portion 220 protrudes from the cell body 10, and the connector 50 is disposed on the side of the connecting portion 220 facing the cell body 10.

[0030] In this embodiment, the second adapter piece 40 is disposed on the outer ring of the annular portion 210 so that the second adapter piece 40 can fit against the outer periphery of the cell body 10, thereby electrically connecting the second adapter piece 40 to the outer periphery of the cell body 10, realizing the electrical connection between the second adapter piece 40 and the negative electrode 120 of the cell body 10. Referring to... Figure 1 The positive electrode 110 of the battery cell body 10 is located at the center of its top, while the other parts of the surface of the battery cell body 10 are its negative electrodes 120. The connector 50 is provided on the connecting part 220 to facilitate the connection between the connector 50 and electronic products, improve the installation convenience of the battery and electronic devices, and facilitate battery replacement.

[0031] As a preferred embodiment, the second connecting part 320 is welded to the positive electrode 110 of the battery cell body 10, the first connecting part 310 and the third connecting part 330 are welded to the annular part 210, and the second adapter piece 40 is welded to the annular part 210 and the negative electrode 120 of the battery cell body 10 respectively.

[0032] The second connecting part 320 is electrically connected to the positive electrode 110 of the battery cell body 10 by welding. The first connecting part 310 and the third connecting part 330 are electrically connected to the annular part 210. The second adapter piece 40 is electrically connected to the annular part 210 and the negative electrode 120 of the battery cell body 10, respectively. Welding can produce a very strong connection. Welded joints usually have high strength and durability and can withstand large loads and stresses.

[0033] As a preferred embodiment, refer to Figure 1 and Figure 3 An annular insulating member 60 is provided between the annular portion 210 and the cell body 10. The annular insulating member 60 is used to isolate the negative electrode 120 of the cell body 10 from the first connecting portion 310 and the second connecting portion 320.

[0034] The annular insulating member 60 is provided to isolate the negative electrode 120 of the cell body 10 from the first connecting part 310 and the second connecting part 320, so as to prevent the first adapter piece 30 from being connected to the negative electrode 120 of the cell body 10 and causing a short circuit, thereby improving the stability and service life of the battery.

[0035] As a preferred embodiment, refer to Figures 1 to 3The outer periphery of the cell body 10 is also provided with a first insulating member 70, and the end of the cell body 10 away from the flexible circuit board 20 is provided with a second insulating member 80. The first insulating member 70 wraps the second adapter piece 40 and the outer periphery of the cell body 10, and the second insulating member 80 covers the bottom of the cell body 10.

[0036] The first insulating component 70 and the second insulating component 80 can enclose the negative electrode 120 of the battery cell body 10, preventing short circuits caused by contact between the negative electrode 120 of the battery cell body 10 and electronic products during battery use. Furthermore, the first insulating component 70 and the second insulating component 80 also protect the battery cell body 10, preventing damage to its outer periphery. This improves the battery's lifespan.

[0037] As a preferred embodiment, refer to Figures 1 to 3 A third insulating element 90 is also provided at one end of the annular portion 210 away from the battery cell body 10. The third insulating element 90 covers the second connecting portion 320 and the annular portion 210.

[0038] The third insulating member 90 covers the second connecting portion 320, preventing short circuits caused by contact between the second connecting portion 320 and electronic products during battery use. Furthermore, the third insulating member 90 covers both the second connecting portion 320 and the annular portion 210, preventing damage to these components and thus extending battery life.

[0039] As a preferred embodiment, the annular insulating member 60, the first insulating member 70, the second insulating member 80 and the third insulating member 90 are all made of insulating adhesive paper.

[0040] The use of insulating tape enables the ring-shaped insulating component 60, the first insulating component 70, and the second insulating component 80 to be quickly attached to the surface of the battery cell body 10, and the third insulating component 90 to be attached to the ring portion. This method is convenient and ensures the firmness and reliability of the connection between the ring-shaped insulating component 60, the first insulating component 70, the second insulating component 80 and the battery cell body 10, and between the third insulating component 90 and the ring portion.

[0041] As a preferred embodiment, the side of the first insulating member 70 closest to the second insulating member 80 abuts against the second insulating member 80.

[0042] The connection between the first insulating member 70 and the second insulating member 80 further prevents the negative electrode 120 of the battery cell body 10 from being exposed during use, thus preventing short circuits and improving battery safety and performance.

[0043] This application also discloses a button battery, including the battery described in the foregoing embodiments. This button battery has the same structure and beneficial effects as the battery described in the foregoing embodiments. The structure and beneficial effects of the battery have been described in detail in the foregoing embodiments and will not be repeated here.

[0044] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.

Claims

1. A battery, characterized by, The battery comprises: a battery body; a flexible circuit board arranged at one end of the battery body, the flexible circuit board being provided with a first adapter tab and a second adapter tab electrically connected respectively, the first adapter tab being electrically connected with a positive electrode of the battery body, the second adapter tab being electrically connected with a negative electrode of the battery body, and a part of the flexible circuit board protruding from a side surface of the battery body; a connector arranged on the part of the flexible circuit board protruding from the battery body and electrically connected with the flexible circuit board, the connector being used for plugging with an electronic product.

2. The battery of claim 1, wherein, The flexible circuit board comprises a ring-shaped portion and a connecting portion electrically connected with each other, a center of the ring-shaped portion being formed with a gap, the first adapter tab being arranged at one side of the ring-shaped portion facing the battery body, the first adapter tab comprising a first connecting portion, a second connecting portion and a third connecting portion connected in sequence, the second connecting portion being located in the gap and being formed with a gap between the ring-shaped portion, the second connecting portion being electrically connected with the positive electrode of the battery body, and the first connecting portion and the third connecting portion being electrically connected with the ring-shaped portion respectively.

3. The battery of claim 2, wherein, The second adapter tab is arranged at an outer ring of the ring-shaped portion and is attached to a side wall of the battery body and electrically connected with the negative electrode of the battery body. The connecting portion protrudes from the battery body, and the connector is arranged at one side of the connecting portion facing the battery body.

4. The battery of claim 3, wherein, The second connecting portion is welded with the positive electrode of the battery body, the first connecting portion and the third connecting portion are welded with the ring-shaped portion, and the second adapter tab is welded with the ring-shaped portion and the negative electrode of the battery body respectively.

5. The battery of claim 3, wherein, An annular insulating member is arranged between the ring-shaped portion and the battery body, and is used for isolating the negative electrode of the battery body from the first connecting portion and the second connecting portion.

6. The battery of claim 5, wherein, A first insulating member is further arranged at an outer periphery of the battery body, a second insulating member is arranged at an end of the battery body away from the flexible circuit board, the first insulating member wrapping the second adapter tab and the outer periphery of the battery body, and the second insulating member covering a bottom of the battery body.

7. The battery of claim 6, wherein, A third insulating member is further arranged at an end of the ring-shaped portion away from the battery body, and the third insulating member covers the second connecting portion and the ring-shaped portion.

8. The battery of claim 7, wherein, The annular insulating member, the first insulating member, the second insulating member and the third insulating member are all made of insulating adhesive paper.

9. The battery of claim 8, wherein, One side of the first insulating member close to the second insulating member abuts against the second insulating member.

10. A coin cell battery characterized by, The battery comprises the battery as claimed in any one of claims 1 to 9.

Images