Battery and electric device
By designing the surface connection method between the first and second plates, the problems of high difficulty in forming the battery casing and low sealing performance were solved, achieving the effects of simplified processing, reduced costs, and improved sealing performance.
Patent Information
- Application Number
- CN202421335077.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-06-12
AI Technical Summary
In existing battery casing structures, the second plate is difficult to form and has low sealing performance, resulting in complex processing and high cost.
The design employs a surface-mount design with first and second plates, which are connected by integral molding or welding to form a cavity to accommodate the battery cell, simplifying the manufacturing process and improving sealing.
It reduces the processing cost of the battery casing, improves sealing and stability in use, and enhances the hardness and lifespan of the battery.
Smart Images
Figure CN223527276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of battery and the electric device using the battery. BACKGROUND
[0002] Battery is widely applied in various wearable, wireless communication products and the like due to the advantages of compact design, high energy density, better stability, high safety and the like, with length and width from 5mm to 300mm, and thickness from 0.8mm to 20mm; square hard shell cell is widely applied in various electronic devices and emergency power supply, such as mobile phone, watch, tablet computer, wireless communication device, electric tool, electric vehicle and the like.
[0003] Battery has very broad application prospect, and is usually sealed using shell + lamination / winding. Shell structure includes two plate members, and the plate members are simple in machining process and high in sealing reliability. The accommodating cavity formed by the two plate members is used for accommodating bare cell, and one of the plate members contains pole.
[0004] Please refer to Figure 1 , the shell structure of battery includes first plate member 1, second plate member 2 and third plate member 4, the accommodating cavity formed by the first plate member 1 and the second plate member 2 is used for accommodating bare cell 3, the second plate member 2 has two openings respectively forming sealed cavity with the first plate member 1 and the third plate member 4, and the second plate member 2 is connected at least at one end. On the one hand, the forming process of the second plate member 2 is difficult, and on the other hand, the sealing rate between the first plate member 1 and the second plate member 2 and between the third plate member 4 and the second plate member 2 is low. SUMMARY
[0005] The utility model discloses a kind of battery and the electric device using the battery to solve the above technical problem.
[0006] To achieve the above object, the utility model adopts the following technical scheme:
[0007] Firstly, the utility model provides a kind of battery, including shell structure and the cell in the shell structure, the shell structure includes first plate member and second plate member, the shell structure is provided with pole, the first plate member has first face body, second face body and third face body, second plate member has fourth face body, fifth face body and sixth face body, the first plate member and the second plate member are connected to form accommodating cavity, and the cell is arranged in the accommodating cavity.
[0008] Further, along the first direction, the first face body and the third face body are oppositely arranged, and the first face body, the second face body and the third face body are sequentially connected.
[0009] Further, along the second direction, the fourth and fifth tetrahedrons are oppositely arranged, and the fourth, sixth and fifth tetrahedrons are sequentially connected.
[0010] Further, the first, second and third tetrahedrons are integrally formed, or the first, second and third tetrahedrons are sequentially welded.
[0011] Further, the fourth, sixth and fifth tetrahedrons are integrally formed, or the fourth, sixth and fifth tetrahedrons are sequentially welded.
[0012] Further, the first and second plate members are welded.
[0013] Further, the first and second plate members have a thickness ranging from 0.03 mm to 0.5 mm.
[0014] Further, the first and second plate members have a thickness ranging from 0.05 mm to 0.35 mm.
[0015] Further, the first plate member is provided with a pole, and the thickness of the first plate member is greater than that of the second plate member.
[0016] In a second aspect, the utility model also provides a kind of electric device, and the electric device includes the battery as defined in any one of the preceding embodiments.
[0017] To sum up, the utility model has the beneficial effects that:
[0018] The battery and electric device of the utility model, the shell structure includes first plate member and second plate member, the first plate member is provided with first tetrahedron, second tetrahedron, third tetrahedron, the second plate member has fourth tetrahedron, fifth tetrahedron, sixth tetrahedron, the first plate member, second plate member are provided with the connecting place connected with tetrahedron, and the first plate member, second plate member connecting place are mutually connected to form the accommodation cavity and accommodate bare cell.The first plate member, second plate member are simple in processing technology, low in cost and easy to seal.
[0019] The battery and electric device of the utility model, the processing technology of each component of the shell structure only needs to be bent, without metal stamping, stretching and other actions, and the required mold is simple, which greatly reduces the cost. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the explosion diagram of prior battery;
[0021] Figure 2 It is the explosion diagram of the battery of the utility model;
[0022] Figure 3 It is Figure 2 It is the structure schematic view of the first plate member of the battery shown.
[0023] Figure 4 For Figure 2 A second plate structure diagram of the battery is shown.
[0024] The drawings
[0025] The first plate 1, the second plate 2, the battery cell 3, the third plate 4, the first face body 101, the second face body 102, the third face body 103, the first connecting place 201, the second connecting place 202, the third connecting place 203, the fourth connecting place 204, the fifth connecting place 205, the sixth connecting place 206, the seventh connecting place 207, the eighth connecting place 208, the fourth face body 301, the fifth face body 302, the sixth face body 303, the ninth connecting place 401, the tenth connecting place 402, the eleventh connecting place 403, the twelfth connecting place 404, the thirteenth connecting place 405, the fourteenth connecting place 406, the fifteenth connecting place 407, and the sixteenth connecting place 408. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 2-4 The utility model provides a kind of battery, including shell structure and be located in the battery cell 3 of shell structure, the shell structure includes first plate 1 and second plate 2, the shell structure is provided with pole, the first plate has first face body 101, second face body 102 and third face body 103, second plate has fourth face body 301, fifth face body 302 and sixth face body 303, the first plate and the second plate are provided with the connecting place connected with face body, and the connecting place of the first plate and the second plate is connected with each other and forms containing cavity the battery cell is located in the containing cavity.In one embodiment, along first direction, the first face body and the third face body are oppositely arranged, and the first face body, second face body and third face body are sequentially connected.
[0028] In one embodiment, along second direction, the fourth face body and the fifth face body are oppositely arranged, and the fourth face body, sixth face body and fifth face body are sequentially connected.
[0029] It can be understood that the first direction is that the shell structure is placed on plane, parallel to the direction of horizontal plane, and the second direction is perpendicular to the first direction.
[0030] Specifically, the first and third faces are respectively located on both sides of the second face, the first face 101 comprises a first connecting portion 201, a second connecting portion 202 and a third connecting portion 203, the second face 102 comprises a fourth connecting portion 204 and a fifth connecting portion 205, and the third face 103 comprises a sixth connecting portion 206, a seventh connecting portion 207 and an eighth connecting portion 208.
[0031] In an embodiment, the fourth and fifth faces are respectively located on the upper and lower sides of the sixth face, the fourth face 301 comprises a tenth connecting portion 402, a twelfth connecting portion 404 and a fourteenth connecting portion 406, the fifth face 302 comprises an eleventh connecting portion 403, a thirteenth connecting portion 405 and a fifteenth connecting portion 407, and the sixth face 303 comprises a ninth connecting portion 401 and a sixteenth connecting portion 408.
[0032] In an embodiment, the first, second and third faces are integrally formed, or the first, second and third faces are sequentially welded.
[0033] In an embodiment, the fourth, sixth and fifth faces are integrally formed, or the fourth, sixth and fifth faces are sequentially welded.
[0034] In an embodiment, the first and second plate members are welded.
[0035] It can be understood that the integrally formed or welded between different faces and different plate bodies can improve the hardness of the shell structure, and thus improve the use stability and life of the battery.
[0036] In an embodiment, the thickness of the first and second plate members ranges from 0.03 mm to 0.5 mm, which can ensure that the shell does not deform when subjected to external impact or when the battery falls. For example, the thickness of the first and second plate members is 0.3 mm. It can be understood that the thickness of the first and second plate members can also be other values, such as 0.03 mm, 0.05 mm, 0.07 mm, 0.1 mm, 0.15 mm, 0.2 mm, 0.25 mm, 0.3 mm, 0.35 mm, 0.4 mm, 0.45 mm, 0.5 mm, etc., as long as the value is within the range of 0.03 mm to 0.5 mm.
[0037] In one embodiment, the thickness of the first plate and the second plate ranges from 0.05mm to 0.35mm, which can ensure that the shell is not deformed when subjected to external force impact or when the battery falls, and can maximize the space of the accommodating cavity, which accommodates more positions of the bare cell. For example, the thickness of the first plate and the second plate is 0.25mm. It can be understood that the thickness of the first plate and the second plate can also be other values, such as 0.05mm, 0.07mm, 0.09mm, 0.12mm, 0.15mm, 0.17mm, 0.2mm, 0.3mm, 0.35mm, etc., as long as the value is within the range of 0.05mm to 0.35mm.
[0038] In one embodiment, the first plate is provided with a pole, and the thickness of the first plate is greater than that of the second plate. Since the pole needs to be machined on the shell to provide a hole for mounting the pole, the shell provided with the pole is preferably thicker. Under the condition that the volume of the accommodating cavity can meet the requirement of energy density, thickening the thickness of the first plate can prevent the deformation of the shell caused by machining the hole and enhance the strength of the shell.
[0039] In a second aspect, the utility model also provides a kind of electric device, and the electric device includes the battery as defined in any one of the preceding embodiments.
[0040] The battery and electric device of the utility model, the shell structure includes first plate and second plate, the first plate is provided with first face body, second face body, third face body, the second plate has fourth face body, fifth face body, sixth face body, the first plate, second plate is provided with the connecting place connected with face body, and the first plate, second plate connecting place is mutually connected to form the accommodating cavity accommodating bare cell.The first plate, second plate processing technology is simple, cost is lower and easy to seal.
[0041] The battery and electric device of the utility model, the processing technology of each component of the shell structure only needs to be bent, without metal stamping, stretching and other actions, the required mold is simple, which greatly reduces the cost.
[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.
Claims
1. A battery, characterized by, The battery comprises a shell structure and an electric core arranged in the shell structure, the shell structure comprises a first plate and a second plate, the shell structure is provided with a pole, the first plate has a first face body, a second face body and a third face body, the second plate has a fourth face body, a fifth face body and a sixth face body, the first plate and the second plate are connected to form a containing cavity, and the electric core is arranged in the containing cavity; along a first direction, the first face body and the third face body are oppositely arranged, and the first face body, the second face body and the third face body are sequentially connected; along a second direction, the fourth face body and the fifth face body are oppositely arranged, and the fourth face body, the sixth face body and the fifth face body are sequentially connected; the first face body, the second face body and the third face body are integrally formed, or the first face body, the second face body and the third face body are sequentially welded; the fourth face body, the sixth face body and the fifth face body are integrally formed, or the fourth face body, the sixth face body and the fifth face body are sequentially welded; the first plate and the second plate are welded; the thickness of the first plate and the second plate ranges from 0.03 mm to 0.5 mm; the first plate is provided with a pole, and the thickness of the first plate is greater than that of the second plate.
2. An electrical device, characterized by The battery comprises the battery as claimed in claim 1.