A disposable 3v high current button cell

Abstract

The application discloses a disposable 3V high-current button cell, which comprises a button cell, wherein the button cell comprises a base shell, a battery body installed in the inner cavity of the base shell, a connecting top cover used for pressing down the battery body and electrically connected with the battery body, and a fixing ring used for fixing the connecting top cover, the fixing ring is fixedly connected with the base shell, a positive manganese dioxide sheet, a diaphragm and a negative lithium strip are wound in the shell of the battery body in a thin film winding mode, a limiting installation part used for avoiding installation deviation is arranged on the connecting top cover, and the limiting installation part comprises a long slot integrally formed on the top surface of the connecting top cover and a circular slot arranged on the bottom wall of the long slot. The disposable 3V high-current button cell is stably installed through the button cell of the positive manganese dioxide sheet, the diaphragm and the negative lithium strip, and the high-current stability of the button cell is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of button cell, and particularly relates to a disposable 3V high-current button cell. BACKGROUND

[0002] Button cell, also known as button cell, refers to a battery with the size of a small button. Generally, the diameter is large, and the thickness is thin (relative to the cylindrical battery such as the No. 5 AA battery in the market). Button cell is divided according to the shape of the battery. The corresponding battery classification has cylindrical battery, square battery and special-shaped battery. Button cell is small in size and has been widely used in various miniature electronic products, such as computer mainboard, electronic watch, electronic dictionary, electronic scale and remote controller.

[0003] Button cell is divided into chemical battery and physical battery. The chemical battery is most widely used. They are composed of anode (positive electrode), cathode (negative electrode) and electrolyte. The surface area of the metal ion of the current button cell is small, and the current is reduced when used. At the same time, the clamping deviation of the battery body causes unstable electrical connection, which directly leads to poor stability of the current of the battery body. SUMMARY

[0004] The purpose of the application is to provide a disposable 3V high-current button cell to solve the problems in the background art.

[0005] In order to achieve the above purpose, the application provides the following technical scheme: a disposable 3V high-current button cell, comprising a button cell, the button cell comprising a base shell, a battery body installed in the inner cavity of the base shell, a connecting top cover for pressing the battery body and electrically connected with the battery body, and a fixing ring for fixing the connecting top cover, the fixing ring is fixedly connected with the base shell, the positive manganese dioxide sheet, the diaphragm and the negative lithium strip are wound in the shell of the battery body by adopting the thin film winding mode, and the limiting installation part for avoiding installation deviation is arranged on the connecting top cover.

[0006] Preferably, the limiting installation part comprises a long slot integrally formed on the top surface of the connecting top cover and a circular slot arranged on the bottom wall of the long slot, and the long slot and the circular slot are used for clamping the connecting chip.

[0007] Preferably, the battery body is connected with the base shell through a clamping positioning assembly, and the clamping positioning assembly comprises a positioning clamping block and a positioning clamping groove.

[0008] Preferably, the positioning clamping blocks are symmetrically arranged on the inner cavity bottom wall of the base shell, the positioning clamping grooves are symmetrically arranged on the bottom surface of the battery body, and the positioning clamping block and the positioning clamping groove are matched.

[0009] Preferably, the connecting top cover is connected with the fixed collar through a sealing waterproof and dustproof assembly, and the sealing waterproof and dustproof assembly is in frictional contact with the connecting top cover and the fixed collar.

[0010] Preferably, the sealing waterproof and dustproof assembly comprises a rubber sealing ring and a sealing glue solution for bonding the rubber sealing ring.

[0011] Preferably, the connecting top cover is provided with a clamping convex ring, and the upper portion of the battery body cavity is provided with a clamping ring groove connected with the clamping convex ring.

[0012] The technical effect and advantages of the present application: the one-time 3V high-current button cell, the positive manganese dioxide sheet, the diaphragm and the negative lithium strip are connected in a winding mode, and the metal ion surface area is increased by at least two turns or more. The larger the metal ion surface area is, the larger the current and zinc powder particle area are. At the same time, the limiting installation part stably installs the button cell with the positive manganese dioxide sheet, the diaphragm and the negative lithium strip, prevents unstable connection of the positive manganese dioxide sheet, the diaphragm and the negative lithium strip, and facilitates to improve the high-current stability of the button cell.

[0013] The rubber sealing ring is installed between the connecting top cover and the fixed collar through the sealing glue solution, waterproof and dustproof is performed on the inner cavity of the battery body and the base shell, and the service life of the battery body and the precise connection of the electrical property are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present application;

[0015] Figure 2 It is a split structural schematic diagram of the base shell and the fixed collar of the present application;

[0016] Figure 3 It is a partial sectional view structural diagram of the battery body of the present application;

[0017] Figure 4 It is an enlarged structural schematic diagram of position A in the present application; Figure 2

[0018] Figure 5 It is an enlarged structural schematic diagram of position B in the present application; Figure 2

[0019] Figure 6 It is a structural schematic diagram of the battery body of the present application.

[0020] ​​In the figure: 1, button cell; 2, base shell; 3, fixed collar; 4, connecting top cover; 5, limiting installation component; 6, battery body; 7, long strip-shaped groove; 8, circular groove; 9, rubber sealing ring; 10, positioning clamping block; 11, clamping ring groove; 12, clamping convex ring; 13, positioning clamping groove; 14, negative lithium strip; 15, diaphragm; 16, positive manganese dioxide sheet. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0022] Please refer to the accompanying Figure 1 and the accompanying Figure 3 , a disposable 3V high-current button cell includes a button cell 1, the button cell 1 includes a base shell 2, a battery body 6 installed in the inner cavity of the base shell 2, a connecting top cover 4 for pressing down the battery body 6 and electrically connected with the battery body 6, and a fixed collar 3 for fixing the connecting top cover 4, the fixed collar 3 is fixedly connected with the base shell 2, the positive manganese dioxide sheet 16, the diaphragm 15 and the negative lithium strip 14 are wound in the shell of the battery body 6 in a thin film winding manner, the connecting top cover 4 is provided with a limiting installation component 5 for avoiding installation deviation, the current amount is related to the metal ion surface area, the larger the metal ion surface area, the greater the current, and the zinc powder particle area is large, and when the metal ion surface area is a sheet, the current amount and the zinc powder particle area are relatively small, so the winding manner is used, at least two or more turns are increased, the area is increased, and the molecules are arranged into a sheet, the positive manganese dioxide sheet 16, the negative lithium strip 14 and the intermediate diaphragm 15 are wound to increase the area.

[0023] Please refer to the accompanying Figure 1 and the accompanying Figure 2 , the limiting installation component 5 includes a long strip-shaped groove 7 integrally formed on the top surface of the connecting top cover 4 and a circular groove 8 arranged on the bottom wall of the long strip-shaped groove 7, the long strip-shaped groove 7 and the circular groove 8 are used for electrically clamping with the connecting chip limiting part, the long strip-shaped groove 7 and the circular groove 8 are used for connecting the metal chip of the external power supply, whether the metal chip is long strip-shaped or convex, the positioning can be performed, and the loosening and deviation movement are prevented.

[0024] Please refer to the accompanying Figure 2 and the accompanying Figure 6The battery body 6 is connected with the base shell 2 through a clamping positioning assembly, the clamping positioning assembly comprises positioning clamping blocks 10 and positioning clamping grooves 13, the positioning clamping blocks 10 are symmetrically arranged on the inner cavity bottom wall of the base shell 2, the positioning clamping grooves 13 are symmetrically arranged on the bottom surface of the battery body 6, the positioning clamping blocks 10 are matched with the positioning clamping grooves 13, and the clamping positioning assembly limits the battery body 6 in the base shell 2.

[0025] Please refer to the accompanying drawings Figure 2 The connecting top cover 4 is connected with the fixed clamping ring 3 through a sealing waterproof and dustproof assembly, the sealing waterproof and dustproof assembly is in frictional contact with the connecting top cover 4 and the fixed clamping ring 3, the sealing waterproof and dustproof assembly comprises a rubber sealing ring 9 and sealing glue liquid for bonding the rubber sealing ring 9, and the rubber sealing ring 9 prevents the battery body 6 and the inner cavity of the base shell 2 from being waterproof and dustproof.

[0026] Please refer to the accompanying drawings Figure 2 , the accompanying drawings Figure 4 and the accompanying drawings Figure 5 The connecting top cover 4 is provided with a clamping convex ring 12, the inner cavity of the battery body 6 is provided with a clamping ring groove 11 connected with the clamping convex ring 12, the clamping ring groove 11 is clamped in the clamping convex ring 12, and the connection stability of the connecting top cover 4 can be improved.

[0027] Working principle, the current of the battery body 6 in the one-time 3V high-current button cell is related to the metal ion surface area, the larger the metal ion surface area is, the greater the current is, the zinc powder particle area is large, and when the metal ion surface area is a piece, the current and the zinc powder particle area are small, so the winding mode is used, at least two turns or more are increased, the area is increased, the molecules are arranged into a piece, the positive manganese dioxide piece 16, the negative lithium strip piece 14 and the intermediate separation film 15 are wound to increase the area, at the same time, the long groove 7 and the circular groove 8 are used for connecting the external power metal chip, whether the metal chip is long or convex, the metal chip can be positioned, the loosening and deviation are prevented, and the electrical connection stability of the positive manganese dioxide piece 16, the negative lithium strip piece 14 and the separation film 15 is improved.

[0028] The above is only a preferred specific embodiment of the application, but the protection scope of the application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A disposable 3V high-current button cell battery, comprising a button cell (1), characterized in that: The button battery (1) includes a base shell (2), a battery body (6) installed in the inner cavity of the base shell (2), a connecting top cover (4) for pressing down the battery body (6) and electrically connected to the battery body (6), and a fixing ring (3) for fixing the connecting top cover (4). The fixing ring (3) is fixedly connected to the base shell (2). The battery body (6) has a positive electrode manganese dioxide sheet (16), a separator (15) and a negative electrode lithium strip (14) wound in a rotating manner. The connecting top cover (4) is provided with a limiting installation component (5) to avoid installation offset. The limiting installation component (5) includes an elongated groove (7) integrally formed on the top surface of the connecting top cover (4) and a circular groove (8) placed on the bottom wall of the elongated groove (7). The elongated groove (7) and the circular groove (8) are used to engage with the connecting chip. The battery body (6) is connected to the base shell (2) via a snap-fit ​​positioning component, which includes a positioning block (10) and a positioning slot (13). The positioning blocks (10) are symmetrically arranged on the inner cavity bottom wall of the base shell (2), and the positioning slots (13) are symmetrically arranged on the bottom surface of the battery body (6). The positioning blocks (10) and the positioning slots (13) are adapted to each other. The connecting top cover (4) is connected to the fixing ring (3) through a sealing waterproof and dustproof component, and the sealing waterproof and dustproof component is in frictional contact with the connecting top cover (4) and the fixing ring (3); the connecting top cover (4) is provided with a snap-fit ​​protrusion (12), and the upper part of the inner cavity of the battery body (6) is provided with a snap-fit ​​ring groove (11) connected to the snap-fit ​​protrusion (12).

2. The disposable 3V high-current coin cell battery according to claim 1, characterized in that: The sealing, waterproofing, and dustproofing assembly includes a rubber sealing ring (9) and a sealant for bonding the rubber sealing ring (9).

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