Capsule endoscope battery

Abstract

The utility model discloses a capsule endoscope battery, the capsule endoscope battery comprises a tab, a skirt and a battery main body, the battery main body further comprises a battery roll core, the battery roll core is formed by winding a positive plate, a negative plate and a diaphragm, the outer diameter of the capsule endoscope battery is 8-10mm, the height of the capsule endoscope battery is 4-6mm, and the outer diameter of the capsule endoscope battery is 4-6mm. The battery main body comprises a positive plate and a negative plate, a positive electrode material component in the positive plate is any one or a mixture of two of lithium cobalt oxide and nickel cobalt lithium manganate in any proportion, a negative electrode material component in the negative plate is at least one of artificial graphite and silicon carbon, the battery main body further comprises an air bag, and the air bag is used for collecting formed battery gas. Positive and negative tabs led out from the battery roll core are respectively welded on the positive and negative electrodes in the shell; and insulators are arranged on the end surfaces of the positive and negative electrodes to prevent short circuit. According to the capsule endoscope battery, the pulse discharging capacity of the battery is high, the battery appearance is regular, the weight is controllable, the overall gravity center of the capsule is convenient to control, and the capsule is more convenient to assemble.

Description

Technical Field

[0001] The invention relates to the field of medical devices, and in particular to a capsule endoscope battery. Background Art

[0002] Existing capsule endoscope batteries generally use cylindrical lithium manganese batteries, silver oxide batteries or cylindrical polymer lithium ion batteries. Among them, the cylindrical lithium manganese batteries are heavy overall, which is not conducive to the lightweight design of the capsule, and the large current pulse discharge performance is poor; the silver oxide battery requires 2-3 batteries to be used in series, which makes the battery weight relatively large, and the silver oxide battery has weak large current pulse capability, which is not conducive to the selection of internal chips of the capsule endoscope and increases the overall production cost of the capsule endoscope; the cylindrical polymer lithium ion battery is generally designed with side sealing edges, so the actual shape is an irregular ellipse, which is not conducive to the overall center of gravity control of the capsule.

[0003] Chinese Patent No. 2022211118007 discloses a lithium battery for a capsule endoscope, wherein a cover plate assembly of the lithium battery for the capsule endoscope includes a cover plate, a connector and a seal. The cover plate assembly can realize the connection between the positive electrode sheet and the external circuit through the connector, and the seal can ensure good sealing between the cover plate and the connector. This lithium battery itself has a large weight, which is not conducive to the center of gravity control of the capsule endoscope.

[0004] Chinese patent application No. 2023107401539 discloses a solid-state battery for a capsule endoscope. The solid-state battery adopts a cylindrical structure design. The cylindrical solid-state battery of this capsule endoscope can only be made into an elliptical shape in actual process, which is not conducive to the overall center of gravity control of the capsule.

[0005] Therefore, it is necessary to improve the existing capsule endoscope battery process. Utility Model Content

[0006] In order to solve the shortcomings of the prior art, the present invention provides a capsule endoscope battery, which includes a pole ear, a skirt and a battery body. The battery body further includes a battery core, and the battery core is wound by a positive electrode sheet, a negative electrode sheet and a diaphragm. The outer diameter of the capsule endoscope battery is 8mm-10mm, and the height is 4mm-6mm.

[0007] Furthermore, the positive electrode material component in the positive electrode sheet is at least one of lithium cobalt oxide or lithium nickel cobalt manganese oxide, and the negative electrode material component in the negative electrode sheet is at least one of artificial graphite and silicon carbon.

[0008] Furthermore, the battery body further comprises an air bag, and the air bag is used to collect battery gas after formation.

[0009] Furthermore, the positive and negative electrode tabs led out of the battery coil core are respectively welded to the positive and negative electrodes inside the shell, and insulators are provided on the end faces of the positive and negative electrodes to prevent short circuits.

[0010] The capsule endoscope battery of the present invention has strong pulse discharge capability, regular battery shape, controllable weight and convenient control of the overall center of gravity of the capsule, making it more convenient to assemble the capsule. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 : Schematic diagram of the soft-pack button battery structure of the first embodiment.

[0012] Figure 2 : Schematic diagram of the assembly of the soft-pack button battery of the first embodiment.

[0013] Figure 3 : Cross-sectional view of the soft-pack button battery of the first embodiment.

[0014] Figure 4 : Schematic diagram of the steel shell button battery structure of the second embodiment.

[0015] The serial numbers and their corresponding names are: tab 10 , skirt 11 , battery body 12 , air bag 13 , diaphragm 14 , negative electrode 15 , positive electrode 16 , insulator 17 . DETAILED DESCRIPTION

[0016] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0017] Please refer to Figure 1 A schematic diagram of the structure of a soft-pack button battery in the first embodiment of the present invention, wherein the soft-pack button battery of the present invention is suitable for a capsule endoscope with a lightweight design, wherein the outer diameter of the soft-pack button battery is 8mm-10mm, and the height is 4mm-6mm, wherein the soft-pack button battery comprises a tab 10, a skirt 11, and a battery body 12, wherein the interior of the battery body 12 comprises a battery core (not shown in the figure), wherein the battery core is wound by a positive electrode sheet (including a positive tab), a negative electrode sheet (including a negative tab), and a separator 14, wherein the main component of the positive electrode material in the positive electrode sheet is any one of lithium cobalt oxide or lithium nickel cobalt manganese oxide, or a mixture of the two in any proportion, and the main component of the negative electrode material in the negative electrode sheet is at least one of artificial graphite and silicon carbon.

[0018] refer to Figure 2 Schematic diagram of the assembly of the soft-pack button-type battery of the first embodiment of the present invention and Figure 3A cross-sectional view of a soft-pack button battery according to a first embodiment of the present invention, wherein the battery body further comprises an air bag 13, and the air bag 13 is used to collect battery gas after formation, and at the same time, the vacuuming effect during secondary sealing of the battery will be better, thereby avoiding unclean vacuuming and gas entering the battery body, which will affect the final performance of the battery.

[0019] The specific assembly process is as follows: the separator 14, the negative electrode 15 and the positive electrode 16 are arranged in sequence and wound into a core, which is vertically loaded into the battery housing, and then the two sides are sealed. The soft-pack button battery is sealed after the liquid is injected, and the battery body is fully sealed. After the formation is completed and charged, vacuum is drawn and sealed again, and the surrounding of the battery body is completely sealed, and further cut to a suitable size through a mold. At this time Figure 1 The skirt 11 in the flat state is then folded by the mold to bend the flat skirt 11 into Figure 1 As shown in the state, it is fitted with the battery body 12.

[0020] refer to Figure 4 A schematic diagram of the structure of a steel shell button type battery according to the second embodiment of the present invention, wherein the steel shell button type battery is suitable for capsule endoscopes that do not require high weight, and the internal structure of the main body is similar to that of the soft-pack button type battery according to the first embodiment. Unlike the soft-pack button type, the steel shell button type battery has no exposed pole ears, and the positive and negative pole ears led out of the battery core are welded to the positive and negative poles inside the shell, respectively, and appear to be positive and negative on the outside. When the battery is filled with liquid and sealed, when the pole ears of the battery core are welded to the steel shell, both the positive and negative end surfaces need to be protected by insulators 17 to avoid direct contact between the positive and negative electrode sheets and the steel shell, which may cause internal short circuit problems.

[0021] The capsule endoscope battery of the present invention has strong pulse discharge capability, regular battery shape, controllable weight and convenient control of the overall center of gravity of the capsule, making it more convenient to assemble the capsule.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A capsule endoscope battery, characterized in that: The capsule endoscope battery includes a pole ear, a skirt and a battery body. The battery body further includes a battery core. The battery core is wound by a positive electrode sheet, a negative electrode sheet and a diaphragm. The outer diameter of the capsule endoscope battery is 8mm-10mm and the height is 4mm-6mm.

2. The capsule endoscope battery according to claim 1, characterized in that: The positive electrode material component of the positive electrode sheet is at least one of lithium cobalt oxide or lithium nickel cobalt manganese oxide, and the negative electrode material component of the negative electrode sheet is at least one of artificial graphite and silicon carbon.

3. The capsule endoscope battery according to claim 1, characterized in that: The battery body further comprises an air bag, and the air bag is used to collect battery gas after formation.

4. The capsule endoscope battery according to claim 1, characterized in that: The positive and negative electrode tabs led out of the battery coil core are respectively welded to the positive and negative electrodes inside the shell, and insulators are provided on the end faces of the positive and negative electrodes to prevent short circuit.

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