Capacitor connecting sheet structure and capacitor

Abstract

The utility model belongs to the field of capacitors, and discloses a capacitor connecting sheet structure and a capacitor. A capacitor connecting piece structure comprises a first connecting piece, and the first connecting piece comprises a first extending end and a second extending end. The capacitor comprises the capacitor core and the capacitor connecting sheet structure, and the first connecting sheet is in limited elastic connection with the capacitor core through the bending part of the first connecting sheet. The capacitor connecting sheet structure can realize limited elastic connection with the capacitor core, avoids stress concentration at the position, and prolongs the service life. The capacitor is reasonable in structural design, elastic connection between the capacitor and the capacitor core is achieved through the bending portion of the first extending end, stress concentration at the position is avoided, the service life is prolonged, meanwhile, the second extending end limits the first extending end, the capacitor connecting piece structure swings by a small amplitude relative to the capacitor core, and the service life is prolonged. Therefore, limiting type elastic connection is formed, and the installation precision of the first connector is improved.

Description

Technical Field

[0001] The utility model relates to the field of capacitors, in particular to a capacitor connecting sheet structure and a capacitor. Background Art

[0002] Capacitors are components that store electrical charge and electrical energy (potential energy). Capacitors play an important role in circuits such as tuning, bypassing, coupling, and filtering.

[0003] The connectors on existing capacitors are generally fixedly connected to the capacitor core. As a result, stress concentration is easily generated between the connectors and the capacitor core during installation and use, and the connectors and the capacitor core are easily broken after long-term use.

[0004] In order to solve this technical problem, Chinese patent CN218647783U discloses a thin film capacitor connection structure with flexible switching of electrodes to connect positive and negative poles, wherein the second copper sheet is located outside the first copper sheet, and the fourth copper sheet is located outside the third copper sheet, the lower part of the first copper sheet is welded to the upper end face of the first capacitor core through a first welding point, and its upper part is connected to the second joint, the lower part of the second copper sheet is welded to the lower end face of the second capacitor core through a second welding point, and its upper part is connected to the first copper sheet, the lower part of the third copper sheet is welded to the lower end face of the first capacitor core through a third welding point, and its upper part is connected to the fourth copper sheet, the lower part of the fourth copper sheet is welded to the upper end face of the second capacitor core through a fourth welding point, and its upper part is connected to the first joint.

[0005] In this technical solution, the second copper sheet and the first copper sheet are overlapped, and the fourth copper sheet and the third copper sheet are overlapped, and the connection with the capacitor core has a certain degree of operational difficulty; and when the first connector and the second connector are connected to an external device, under the action of external force, the first connector together with the upper part of the fourth copper sheet swings significantly, and the second connector together with the upper part of the first copper sheet swings significantly. When the external force is large enough, the swing amplitude may exceed 90°. The above structure can realize the elastic connection between the first connector and the second connector and the capacitor core, but the part where the upper part of the first copper sheet is connected to the second connector and the part where the upper part of the fourth copper sheet is connected to the first connector lacks a limiting structure, which reduces the installation accuracy of the first connector and the second connector. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a capacitor connecting plate structure, in which the first protruding end and the second protruding end are offset and staggered from each other to facilitate connection with the capacitor core, and the bent portion of the first protruding end constitutes an elastic structure, and the second protruding end restricts the first protruding end. The capacitor connecting plate structure can be used to achieve a restricted elastic connection with the capacitor core, thereby avoiding stress concentration at this location and extending the service life.

[0007] The second purpose of the utility model is to provide a capacitor, wherein a first extension end and a second extension end are offset and staggered from each other, a bent portion of the first extension end and an end of the second extension end are fixedly connected to the same end face of a capacitor core, and a first joint is arranged between the first extension end and the second extension end; in this way, an elastic connection between the first extension end and the capacitor core is realized by utilizing the bent portion of the first extension end to avoid stress concentration therein and extend the service life, and at the same time, the second extension end restricts the first extension end, so that the capacitor connecting plate structure swings relatively small relative to the capacitor core, thereby constituting a restricted elastic connection and improving the installation accuracy of the first joint.

[0008] One of the purposes of the utility model is achieved by the following technical solution:

[0009] A capacitor connecting plate structure includes a first connecting plate, the first connecting plate includes a first extending end and a second extending end, the first extending end is extended along a first direction, the second extending end is extended along a second direction, the first extending end and the second extending end are offset and misaligned with each other, and the end of the first extending end has a bending portion.

[0010] In a preferred embodiment, the bent portion on the first extending end is extended along the third direction;

[0011] There is an angle a between the first direction and the second direction, and the value range of a is 60°-120°;

[0012] The first direction and the third direction are parallel to each other.

[0013] In a preferred embodiment, the projections of the first protruding end and the second protruding end on the plane where the largest surface of the first connecting piece is located are offset and staggered with each other.

[0014] In a preferred embodiment, the capacitor connecting plate structure further includes a first joint, which is arranged on the first connecting plate and between the first protruding end and the second protruding end.

[0015] In a preferred embodiment, the first connecting piece further includes a third extending end, and the third extending end is extended along the fourth direction.

[0016] The second purpose of the utility model is achieved by the following technical solution:

[0017] A capacitor comprises a capacitor core and the above-mentioned capacitor connecting sheet structure, wherein the bent portion of the first extending end and the end of the second extending end are fixedly connected to the capacitor core, so that the first connecting sheet forms a restrictive elastic connection with the capacitor core through its bent portion.

[0018] In a preferred embodiment, the capacitor connecting plate structure is a first connecting plate structure, and further includes a second connecting plate structure and an extending plate structure;

[0019] The second connecting piece structure includes a second connecting piece and a second joint, the second connecting piece includes a fourth extending end and a fifth extending end, the second joint is arranged on the second connecting piece, and the second joint is arranged between the fourth extending end and the fifth extending end;

[0020] The extending piece structure includes a first extending piece, a second extending piece and a third extending piece.

[0021] In a preferred embodiment, at least two capacitor cores are provided, wherein the two capacitor cores are a first capacitor core and a second capacitor core, and the first capacitor core and the second capacitor core are sequentially stacked along the axial direction;

[0022] The first connecting plate structure and the second connecting plate structure are both arranged on the upper end surface of the first capacitor core;

[0023] One end of the first extension piece and the second extension end are connected to the upper end surface of the first capacitor core, and the other end of the first extension piece is connected to the lower end surface of the second capacitor core;

[0024] One end of the second extension piece is connected to the upper end surface of the first capacitor core together with the fourth extension end, and the other end of the second extension piece is connected to the lower end surface of the first capacitor core;

[0025] One end of the third extending piece is connected to the upper end surface of the first capacitor core together with the fifth extending end, and the other end of the third extending piece is connected to the upper end surface of the second capacitor core.

[0026] In a preferred embodiment, the extension piece structure further includes a fourth extension piece and a fifth extension piece;

[0027] The second connecting piece also includes a sixth protruding end.

[0028] In a preferred embodiment, three capacitor cores are provided, further comprising a third capacitor core, and the first capacitor core, the second capacitor core and the third capacitor core are stacked sequentially along the axial direction;

[0029] One end of the fourth extension piece is connected to the upper end surface of the first capacitor core together with the third extension end, and the other end of the fourth extension piece is connected to the upper end surface of the third capacitor core;

[0030] One end of the fifth extension piece is connected to the upper end surface of the first capacitor core together with the sixth extension end, and the other end of the fifth extension piece is connected to the lower end surface of the third capacitor core.

[0031] In summary, the utility model has the following technical effects:

[0032] 1. In the capacitor connecting sheet structure of the utility model, the first extending end and the second extending end are offset and staggered from each other to facilitate connection with the capacitor core, and the bent portion of the first extending end constitutes an elastic structure, and the second extending end restricts the first extending end. The capacitor connecting sheet structure can be used to achieve a restricted elastic connection with the capacitor core, thereby avoiding stress concentration at this location and extending the service life.

[0033] 2. The capacitor structure of the utility model is reasonably designed. The first extension end and the second extension end are offset and staggered with each other. The bent portion of the first extension end and the end of the second extension end are fixedly connected to the same end face of the capacitor core, and the first joint is arranged between the first extension end and the second extension end. In this way, the bent portion of the first extension end is used to realize an elastic connection with the capacitor core, thereby avoiding stress concentration at this location and extending the service life. At the same time, the second extension end restricts the first extension end, so that the capacitor connecting plate structure swings relatively small relative to the capacitor core, thereby forming a restricted elastic connection and improving the installation accuracy of the first joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural schematic diagram of the capacitor connecting sheet structure from a first viewing angle of Example 1 of the utility model;

[0035] Figure 2 This is a structural schematic diagram of the capacitor connecting sheet structure from a second viewing angle of Example 1 of the utility model;

[0036] Figure 3 This is a schematic structural diagram of a capacitor from a first viewing angle according to Embodiment 1 of the present utility model;

[0037] Figure 4 This is a structural schematic diagram of a capacitor from a second viewing angle according to Embodiment 1 of the present utility model;

[0038] Figure 5 It is a structural schematic diagram of the capacitor of Embodiment 1 of the utility model from a third viewing angle;

[0039] Figure 6 It is a structural schematic diagram of the first joint of the capacitor of Example 1 of the utility model when it is subjected to tension from a third viewing angle;

[0040] Figure 7 This is a schematic diagram of the steps of the capacitor assembly process of Example 1 of the utility model;

[0041] Figure 8 This is a structural schematic diagram of the capacitor connecting sheet structure from a first viewing angle of Example 2 of the utility model;

[0042] Fig. 9 This is a structural schematic diagram of the capacitor connecting sheet structure from a second viewing angle of Example 2 of the utility model;

[0043] Fig.10 This is a schematic structural diagram of a capacitor from a first viewing angle according to Embodiment 2 of the present utility model;

[0044] Fig.11 This is a structural schematic diagram of a capacitor from a second viewing angle of Example 2 of the utility model;

[0045] Fig.12 It is a structural schematic diagram of the capacitor of Embodiment 2 of the utility model from a third viewing angle;

[0046] Fig.13 This is a schematic structural diagram of the third viewing angle when the first joint of the capacitor of Example 2 of the utility model is subjected to tension.

[0047] The meanings of the reference numerals are as follows:

[0048] 10. First connecting piece, 101. First extending end, 102. Second extending end, 103. Bend portion, 104. Third extending end, 20. First connector, 30. Second connecting piece, 301. Fourth extending end, 302. Fifth extending end, 303. Sixth extending end, 40. Second connector, 50. First extending piece, 60. Second extending piece, 70. Third extending piece, 80. First capacitor core, 90. Second capacitor core, 100. Insulating piece, 110. Fourth extending piece, 120. Fifth extending piece, 130. Third capacitor core. DETAILED DESCRIPTION

[0049] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0050] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0052] Example 1

[0053] See also Figure 1-Figure 2The utility model discloses a capacitor connecting sheet structure, including a first connecting sheet 10, the first connecting sheet 10 includes a first extending end 101 and a second extending end 102, the first extending end 101 is extended along a first direction, the second extending end 102 is extended along a second direction, the first extending end 101 and the second extending end 102 are offset and misaligned with each other, and the end of the first extending end 101 has a bending portion 103.

[0054] Based on the above structure, in the capacitor connecting plate structure of the utility model, the first extending end 101 and the second extending end 102 are offset and staggered from each other to facilitate connection with the capacitor core, and the bending portion 103 of the first extending end 101 constitutes an elastic structure, and the second extending end 102 restricts the first extending end 101. The capacitor connecting plate structure can be used to achieve a restricted elastic connection with the capacitor core, thereby avoiding stress concentration and extending the service life.

[0055] Specifically, the first connecting sheet 10 is a metal sheet, such as a copper sheet, and has the characteristics of a spring sheet.

[0056] In the embodiment of the utility model, the bending portion 103 on the first extending end 101 extends along the third direction; there is an angle a between the first direction and the second direction, and the value range of a is 60°-120°; the first direction and the third direction are parallel to each other.

[0057] It should be noted that the second extension end 102 limits the swing amplitude of the first extension end 101 from its setting direction, the bending portion 103 is set at one end of the first extension end 101, and the second extension end 102 is set at the other end of the first extension end 101.

[0058] Preferably, the first direction and the second direction are perpendicular to each other, and angle a is 90°, so that the first connecting piece 10 can swing relative to the capacitor core, but the swing amplitude will not be too large. It can be seen that the size of the angle a depends on the actual application scenario and is not limited to this.

[0059] In the embodiment of the present invention, the projections of the first protruding end 101 and the second protruding end 102 on the plane where the largest surface of the first connecting piece 10 is located are offset and staggered with each other.

[0060] In the embodiment of the utility model, the capacitor connecting plate structure further includes a first joint 20 , which is disposed on the first connecting plate 10 , and the first joint 20 is disposed between the first extending end 101 and the second extending end 102 .

[0061] See also Figure 1-Figure 6The utility model discloses a capacitor, including a capacitor core and the above-mentioned capacitor connecting sheet structure, the bent portion 103 of the first extending end 101 and the end of the second extending end 102 are fixedly connected to the capacitor core, so that the first connecting sheet 10 forms a restrictive elastic connection with the capacitor core through its bent portion 103.

[0062] Based on the above structure, the capacitor structure of the utility model is reasonably designed, the first extension end 101 and the second extension end 102 are offset and staggered with each other, the bent portion 103 of the first extension end 101 and the end of the second extension end 102 are fixedly connected to the same end face of the capacitor core, and the first joint 20 is arranged between the first extension end 101 and the second extension end 102; in this way, the elastic connection between the bent portion 103 of the first extension end 101 and the capacitor core is utilized to avoid stress concentration and extend the service life, and at the same time, the second extension end 102 restricts the first extension end 101, so that the capacitor connecting plate structure swings relatively small relative to the capacitor core, thereby forming a restrictive elastic connection, thereby improving the installation accuracy of the first joint 20.

[0063] Preferably, in order to ensure the installation accuracy of the first joint 20, the first extending end 101 is bent only once, the first extending end 101 is in a "U" shape as a whole, and the first connecting piece 10 is in an "L" shape as a whole.

[0064] Specifically, by controlling the size and position of the first protruding end 101 and the second protruding end 102 , the swing amplitude of the first connecting piece structure relative to the capacitor core is between 5° and 30°.

[0065] In an embodiment of the utility model, the capacitor connecting plate structure is a first connecting plate structure, and also includes a second connecting plate structure and an extension plate structure; the second connecting plate structure includes a second connecting plate 30 and a second joint 40, the second connecting plate 30 includes a fourth extension end 301 and a fifth extension end 302, the second joint 40 is arranged on the second connecting plate 30, and the second joint 40 is arranged between the fourth extension end 301 and the fifth extension end 302; the extension plate structure includes a first extension plate 50, a second extension plate 60 and a third extension plate 70.

[0066] Specifically, the second connecting plate 30 is a metal sheet, such as a copper sheet, and the second connecting plate 30 is in a straight line shape as a whole.

[0067] In an embodiment of the utility model, two capacitor cores are provided, wherein the two capacitor cores are respectively a first capacitor core 80 and a second capacitor core 90, and the first capacitor core 80 and the second capacitor core 90 are stacked in sequence along the axial direction; the first connecting plate structure and the second connecting plate structure are both arranged on the upper end surface of the first capacitor core 80; one end of the first extension plate 50 is connected to the upper end surface of the first capacitor core 80 together with the second extension end 102, and the other end of the first extension plate 50 is connected to the lower end surface of the second capacitor core 90; one end of the second extension plate 60 is connected to the upper end surface of the first capacitor core 80 together with the fourth extension end 301, and the other end of the second extension plate 60 is connected to the lower end surface of the first capacitor core 80; one end of the third extension plate 70 is connected to the upper end surface of the first capacitor core 80 together with the fifth extension end 302, and the other end of the third extension plate 70 is connected to the upper end surface of the second capacitor core 90.

[0068] Specifically, the first joint 20 and the second joint 40 are both nuts. The specific structures of the first joint 20 and the second joint 40 are based on the ability to realize the operation of the capacitor, and are not limited thereto.

[0069] Specifically, the first extension piece 50, the second extension piece 60 and the third extension piece 70 are all "U" shaped; the first extension piece 50, the second extension piece 60 and the third extension piece 70 are bent into a "U" shape during the installation process, or can be directly produced into a "U" shape, depending on actual conditions and is not limited to this.

[0070] More specifically, the first extension sheet 50 , the second extension sheet 60 and the third extension sheet 70 are all copper sheets, and the specific materials of the first extension sheet 50 , the second extension sheet 60 and the third extension sheet 70 are based on the ability to realize the operation of the capacitor, and are not limited thereto.

[0071] In the embodiment of the present invention, the capacitor further includes an insulating sheet 100 , which is disposed between the second connecting sheet structure and the first capacitor core 80 .

[0072] Specifically, the insulating sheet 100 is a plastic sheet or a silicone sheet.

[0073] Specifically, the insulating sheet 100 is also arranged between the second extension sheet 60 and the first capacitor core 80, and the insulating sheet 100 is also arranged between the third extension sheet 70 and the second capacitor core 90. The second extension sheet 60 and the first capacitor core 80 and the third extension sheet 70 and the second capacitor core 90 are insulated by the insulating sheet 100.

[0074] See also Figure 7 The processing steps of the capacitor assembly process of the utility model are as follows:

[0075] S1: Connect one end of the first extension piece 50 to the lower end surface of the second capacitor core 90, connect one end of the second extension piece 60 to the lower end surface of the first capacitor core 80, and connect one end of the third extension piece 70 to the upper end surface of the second capacitor core 90;

[0076] S2: stacking the first capacitor core 80 and the second capacitor core 90 along the axial direction;

[0077] S3: Place the first connecting plate structure and the second connecting plate structure on the upper end surface of the first capacitor core 80, connect the bent portion 103 of the first extension end 101 to the upper end surface of the first capacitor core 80, connect the other end of the first extension plate 50 together with the second extension end 102 to the upper end surface of the first capacitor core 80, connect the other end of the second extension plate 60 together with the fourth extension end 301 to the upper end surface of the first capacitor core 80, and connect the other end of the third extension plate 70 together with the fifth extension end 302 to the upper end surface of the first capacitor core 80.

[0078] Based on the above steps, the assembly process of the capacitor of the utility model is simple. Since the capacitor is provided with an extension sheet structure, the connection between one end of each extension sheet and the corresponding capacitor core has been completed before each capacitor core is stacked. After the stacking of each capacitor core is completed, it is only necessary to complete the first connecting sheet structure, the second connecting sheet structure, and the other end of each extension sheet and the first capacitor core 80 on the upper end surface of the first capacitor core 80 to avoid affecting the bending portion 103 of the first protruding end 101. The operation is unobstructed, easy to position and assemble and connect, which is beneficial to improving the assembly efficiency of the capacitor and facilitating the semi-automatic and automated development of the capacitor.

[0079] Specifically, the above-mentioned components are connected by welding.

[0080] More specifically, in step S1, one end of the first extension piece 50 is welded to the lower end surface of the second capacitor core 90, one end of the second extension piece 60 is welded to the lower end surface of the first capacitor core 80, and one end of the third extension piece 70 is welded to the upper end surface of the second capacitor core 90; in step S3, the first connecting piece structure and the second connecting piece structure are placed on the upper end surface of the first capacitor core 80, the bent portion 103 of the first protruding end 101 is welded to the upper end surface of the first capacitor core 80, the other end of the first extension piece 50 is welded together with the second protruding end 102 to the upper end surface of the first capacitor core 80, the other end of the second extension piece 60 is welded together with the fourth protruding end 301 to the upper end surface of the first capacitor core 80, and the other end of the third extension piece 70 is welded together with the fifth protruding end 302 to the upper end surface of the first capacitor core 80.

[0081] Example 2

[0082] See also Figure 8-Figure 13Different from Example 1, in the embodiment of the utility model, the first connecting piece 10 not only includes a first extending end 101 and a second extending end 102, but also includes a third extending end 104, and the third extending end 104 is extended along the fourth direction.

[0083] Specifically, the second direction and the fourth direction are parallel to each other.

[0084] Specifically, the first connecting piece 10 and the second connecting piece 30 are both in a “T” shape as a whole.

[0085] More specifically, by controlling the setting sizes and setting positions of the first extension end 101, the second extension end 102 and the third extension end 104, the swing amplitude of the first connecting plate structure relative to the capacitor core is between 5°-15°; it can be seen that the third extension end 104 further restricts the first extension end 101. Compared with Example 1, the first connecting plate structure in this embodiment swings with a smaller amplitude relative to the capacitor core, and the installation accuracy of the first connector 20 is higher.

[0086] In the embodiment of the utility model, the extension piece structure not only includes the first extension piece 50, the second extension piece 60, and the third extension piece 70, but also includes the fourth extension piece 110 and the fifth extension piece 120; the second connecting piece 30 not only includes the fourth extension end 301 and the fifth extension end 302, but also includes the sixth extension end 303.

[0087] Specifically, the first joint 20 is disposed between the first protruding end 101 , the second protruding end 102 and the third protruding end 104 , and the second joint 40 is disposed between the fourth protruding end 301 , the fifth protruding end 302 and the sixth protruding end 303 .

[0088] Specifically, the fourth extension piece 110 and the fifth extension piece 120 are both "U"-shaped; the fourth extension piece 110 and the fifth extension piece 120 can be bent into a "U" shape during the installation process, or can be directly produced into a "U" shape, depending on actual conditions and is not limited to this.

[0089] In an embodiment of the utility model, three capacitor cores are provided, namely a first capacitor core 80, a second capacitor core 90 and a third capacitor core 130, which are stacked in sequence along the axial direction; one end of the fourth extension piece 110 is connected to the upper end surface of the first capacitor core 80 together with the third extension end 104, and the other end of the fourth extension piece 110 is connected to the upper end surface of the third capacitor core 130; one end of the fifth extension piece 120 is connected to the upper end surface of the first capacitor core 80 together with the sixth extension end 303, and the other end of the fifth extension piece 120 is connected to the lower end surface of the third capacitor core 130.

[0090] It should be noted that the connection method of the first extension end 101, the second extension end 102, the fourth extension end 301, the fifth extension end 302, the first extension piece 50, the second extension piece 60 and the third extension piece 70 is the same as that of embodiment 1 and will not be repeated here.

[0091] In this way, in an application scenario where three capacitor cores need to be set up, it can be achieved directly by adding protruding ends and extension sheets on the basis of setting up two capacitor cores, without changing the original basis, thus avoiding waste of production resources.

[0092] The processing steps of the capacitor assembly process of the utility model are as follows:

[0093] S1: Connect one end of the first extension piece 50 to the lower end surface of the second capacitor core 90, connect one end of the second extension piece 60 to the lower end surface of the first capacitor core 80, connect one end of the third extension piece 70 to the upper end surface of the second capacitor core 90, connect the fourth extension piece 110 to the upper end surface of the third capacitor core 130, and connect the fifth extension piece 120 to the lower end surface of the third capacitor core 130;

[0094] S2: stacking the first capacitor core 80, the second capacitor core 90 and the third capacitor core 130 along the axial direction;

[0095] S3: Place the first connecting plate structure and the second connecting plate structure on the upper end surface of the first capacitor core 80, connect the bent portion 103 of the first extension end 101 to the upper end surface of the first capacitor core 80, connect the other end of the first extension plate 50 together with the second extension end 102 to the upper end surface of the first capacitor core 80, connect the other end of the second extension plate 60 together with the fourth extension end 301 to the upper end surface of the first capacitor core 80, connect the other end of the third extension plate 70 together with the fifth extension end 302 to the upper end surface of the first capacitor core 80, connect the other end of the fourth extension plate 110 together with the third extension end 104 to the upper end surface of the first capacitor core 80, and connect the other end of the fifth extension plate 120 together with the sixth extension end 303 to the upper end surface of the first capacitor core 80.

[0096] More specifically, in step S1, one end of the first extension piece 50 is welded to the lower end surface of the second capacitor core 90, one end of the second extension piece 60 is welded to the lower end surface of the first capacitor core 80, one end of the third extension piece 70 is welded to the upper end surface of the second capacitor core 90, the fourth extension piece 110 is welded to the upper end surface of the third capacitor core 130, and the fifth extension piece 120 is welded to the lower end surface of the third capacitor core 130; in step S3, the first connecting piece structure and the second connecting piece structure are placed on the upper end surface of the first capacitor core 80, and the end of the first extension end 101 is connected to the first capacitor core 80. 0, weld the other end of the first extension piece 50 together with the second extension end 102 on the upper end surface of the first capacitor core 80, weld the other end of the second extension piece 60 together with the fourth extension end 301 on the upper end surface of the first capacitor core 80, weld the other end of the third extension piece 70 together with the fifth extension end 302 on the upper end surface of the first capacitor core 80, weld the other end of the fourth extension piece 110 together with the third extension end 104 on the upper end surface of the first capacitor core 80, and weld the other end of the fifth extension piece 120 together with the sixth extension end 303 on the upper end surface of the first capacitor core 80.

[0097] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A capacitor connecting sheet structure, characterized in that: It includes a first connecting piece, which includes a first extending end and a second extending end. The first extending end is extended along a first direction, and the second extending end is extended along a second direction. The first extending end and the second extending end are offset and misaligned with each other, and the end of the first extending end has a bending portion.

2. The capacitor connecting sheet structure according to claim 1, characterized in that: The bent portion on the first extending end is extended along a third direction; There is an angle a between the first direction and the second direction, and the value range of a is 60°-120°; The first direction and the third direction are parallel to each other.

3. The capacitor connecting sheet structure according to claim 1, characterized in that: The projections of the first extending end and the second extending end on the plane where the largest surface of the first connecting piece is located are offset and staggered with each other.

4. The capacitor connecting sheet structure according to claim 1, wherein: It also includes a first joint, which is arranged on the first connecting piece and between the first extending end and the second extending end.

5. The capacitor connecting sheet structure according to claim 4, characterized in that: The first connecting piece further includes a third extending end, and the third extending end is extended along a fourth direction.

6. A capacitor, characterized in that: It includes a capacitor core and a capacitor connecting plate structure as described in claim 5, wherein the bent portion of the first extending end and the end of the second extending end are fixedly connected to the capacitor core, so that the first connecting plate forms a restrictive elastic connection with the capacitor core through its bent portion.

7. The capacitor according to claim 6, characterized in that: The capacitor connecting plate structure is a first connecting plate structure, and further includes a second connecting plate structure and an extending plate structure; The second connecting piece structure includes a second connecting piece and a second joint, the second connecting piece includes a fourth extending end and a fifth extending end, the second joint is arranged on the second connecting piece, and the second joint is arranged between the fourth extending end and the fifth extending end; The extending piece structure includes a first extending piece, a second extending piece and a third extending piece.

8. The capacitor according to claim 7, characterized in that: At least two capacitor cores are provided, wherein the two capacitor cores are a first capacitor core and a second capacitor core, and the first capacitor core and the second capacitor core are sequentially stacked along the axial direction; The first connecting sheet structure and the second connecting sheet structure are both arranged on the upper end surface of the first capacitor core; One end of the first extension piece and the second extension end are connected to the upper end surface of the first capacitor core, and the other end of the first extension piece is connected to the lower end surface of the second capacitor core; One end of the second extension piece is connected to the upper end surface of the first capacitor core together with the fourth extension end, and the other end of the second extension piece is connected to the lower end surface of the first capacitor core; One end of the third extending piece is connected to the upper end surface of the first capacitor core together with the fifth protruding end, and the other end of the third extending piece is connected to the upper end surface of the second capacitor core.

9. The capacitor according to claim 8, characterized in that: The extension piece structure further includes a fourth extension piece and a fifth extension piece; The second connecting piece further includes a sixth protruding end.

10. The capacitor according to claim 9, characterized in that: The capacitor cores are provided with three, and further include a third capacitor core, wherein the first capacitor core, the second capacitor core and the third capacitor core are sequentially stacked along the axial direction; One end of the fourth extension piece is connected to the upper end surface of the first capacitor core together with the third extension end, and the other end of the fourth extension piece is connected to the upper end surface of the third capacitor core; One end of the fifth extension piece is connected to the upper end surface of the first capacitor core together with the sixth extension end, and the other end of the fifth extension piece is connected to the lower end surface of the third capacitor core.

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