Extraction electrode for capacitor and capacitor with extraction electrode

Abstract

The utility model discloses an extraction electrode for a capacitor, and the electrode comprises an electrode main body which is used for being connected with the end face of a capacitor core; one end of the leading-out terminal is connected to the electrode main body, and the other end of the leading-out terminal penetrates out of the surface of the potting material to be connected with a circuit; and the part of the leading-out terminal, which penetrates out of the potting material, is provided with a buffer part. According to the technical scheme of the embodiment of the utility model, the fracture risk of the slender terminal and the cracking risk of the potting material can be reduced, and the service life of the capacitor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a lead-out electrode for a capacitor and a capacitor having the same. Background Art

[0002] Capacitors are important passive components and are widely used in the industrial field. In common capacitors, the core is placed in a shell, the space between the core and the shell is filled with potting material, and the lead electrodes are slender terminals that pass through the potting material. However, the slender terminals that pass through the potting material are prone to breakage during the process of connecting to the outside, or the potting material and the terminal are prone to cracking under the action of external forces. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems in the above-mentioned technology to a certain extent. To this end, the purpose of the utility model is to provide a lead-out electrode for a capacitor and a capacitor having the same, so as to reduce the risk of breakage of the slender terminal and the risk of cracking of the potting material, and extend the service life of the capacitor.

[0004] To achieve the above object, an embodiment of the utility model provides a lead-out electrode for a capacitor, comprising:

[0005] The electrode body is used to connect with the end surface of the capacitor core;

[0006] At least one lead terminal, one end of which is connected to the electrode body, and the other end of which passes through the surface of the potting material for circuit connection; the portion of the lead terminal passing through the potting material has a buffer portion.

[0007] According to the lead-out electrode of the embodiment of the utility model, one end of the lead-out terminal is connected to the electrode body, and the other end passes through the surface of the potting material for circuit connection, and the part of the lead-out terminal passing through the potting material has a buffer portion, which improves the toughness of the lead-out terminal. When subjected to external force, it can act as a buffer to absorb a certain force, thereby reducing the risk of breakage of the lead-out terminal and the risk of cracking of the potting material, thereby extending the service life of the capacitor.

[0008] In addition, the lead-out electrode for a capacitor according to the above embodiment of the utility model may also have the following additional technical features:

[0009] Optionally, the buffer portion includes at least one of a bent structure, an arc structure, a wave structure, a sawtooth structure, a spiral structure and an irregular structure.

[0010] Optionally, a reinforcing portion is provided at a position where the lead terminal is connected to the electrode body, and a width of the reinforcing portion is greater than a width of other positions of the lead terminal.

[0011] Optionally, the lead terminal is vertically arranged between the electrode body, and the lead terminal is connected to the edge of the electrode body.

[0012] Optionally, the lead terminal and the electrode body are integrally formed.

[0013] An embodiment of the utility model further provides a capacitor, comprising the lead-out electrode as described in any of the above embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic structural diagram of a lead-out electrode for a capacitor according to an embodiment of the utility model.

[0015] Explanation of reference numerals: electrode body 100 , lead terminal 200 , buffer portion 210 , reinforcement portion 220 . DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0017] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0018] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Please refer to Figure 1 An embodiment of the utility model provides a lead electrode for a capacitor, the lead electrode comprising an electrode body 100 and at least one lead terminal 200 .

[0020] Specifically, the electrode body 100 is used to connect with the end face of the capacitor core, and the production personnel can weld it to the corresponding end face of the capacitor core to ensure the effectiveness of the connection between the two. The electrode body 100 can be a plate-like structure, which can be any shape, such as square, circular, semicircular, and irregular shapes.

[0021] The lead terminal 200 is generally in the shape of a long strip, one end of which is connected to the electrode body 100, and the other end extends to the outside of the outer shell of the capacitor, passing through the surface of the potting material for circuit connection. In addition, the part of the lead terminal 200 passing through the potting material has a buffer structure, so that it can absorb a certain force when subjected to external force, avoiding the lead terminal 200 from directly breaking or causing the surface of the potting material to crack, thereby extending the service life of the capacitor.

[0022] In one example, the number of the lead terminals 200 may be one; in other examples, the number of the lead terminals 200 may be two or any number above two. Those skilled in the art may determine the number of the lead terminals 200 according to actual implementation requirements, and there is no special limitation on this.

[0023] In one embodiment of the present invention, the buffer portion 210 includes at least one of a bent structure, an arc structure, a wave structure, a sawtooth structure, a spiral structure and an irregular structure. It should be noted that the above structure can make the lead terminal 200 form a three-dimensional structure. Compared with the flat lead terminal 200, the above structure can absorb a certain force when the lead terminal 200 is subjected to an external force, thereby reducing the risk of direct fracture of the exposed part of the lead terminal 200 or cracking of the surface of the potting material.

[0024] It is worth noting that the "at least one" mentioned in the present application means that the buffer portion 210 can be any one of the above structures, or a combination of any two or more of the above structures in any number. Furthermore, when the buffer portion 210 includes multiple structures, the different structures can be arranged at intervals or connected to each other, and there is no special limitation on this.

[0025] Of course, those skilled in the art may also adopt other existing structures as the buffer portion 210 , and this is not particularly limited.

[0026] In one embodiment of the utility model, a reinforcing portion 220 is provided at the position where the lead terminal 200 is connected to the electrode body 100, and the width of the reinforcing portion 220 is greater than the width of other positions of the lead terminal 200. That is, one end of the reinforcing portion 220 is connected to the electrode body 100, and the other end extends outward along the lead terminal 200 to a certain length, thereby ensuring the connection strength between the lead terminal 200 and the electrode body 100 and preventing the lead terminal 200 and the electrode body 100 from breaking at the connection.

[0027] In one embodiment of the utility model, the lead terminal 200 is vertically arranged between the electrode body 100, and the lead terminal 200 is connected to the edge of the electrode body 100, thereby facilitating the connection between the electrode body 100 and the end face of the capacitor core, and when there are multiple lead terminals 200, it is also convenient to set the lead terminals 200 to avoid mutual influence between the lead terminals 200.

[0028] In one embodiment, the lead terminal 200 and the electrode body 100 may be integrally formed to further ensure the connection strength between the two.

[0029] An embodiment of the utility model further provides a capacitor, comprising the lead-out electrode provided by any of the aforementioned embodiments.

[0030] Therefore, through the setting of the above-mentioned lead-out electrode, one end of the lead-out terminal 200 is connected to the electrode body 100, and the other end passes through the surface of the potting material for circuit connection, and the part of the lead-out terminal 200 passing through the potting material has a buffer portion 210. The buffer portion 210 improves the toughness of the lead-out terminal 200. When subjected to external force, it can act as a buffer and absorb a certain force, thereby reducing the risk of breakage of the lead-out terminal 200 and the risk of cracking of the potting material, thereby extending the service life of the capacitor.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A lead electrode for a capacitor, characterized in that: include: The electrode body is used to connect with the end surface of the capacitor core; At least one lead terminal, one end of which is connected to the electrode body, and the other end of which passes through the surface of the potting material for circuit connection; the portion of the lead terminal passing through the potting material has a buffer portion.

2. The extraction electrode according to claim 1, characterized in that: The buffer portion includes at least one of a bent structure, an arc structure, a wave structure, a sawtooth structure, a spiral structure and an irregular structure.

3. The extraction electrode according to claim 1, characterized in that: A reinforcing portion is provided at a position where the lead terminal is connected to the electrode body, and a width of the reinforcing portion is greater than a width of other positions of the lead terminal.

4. The extraction electrode according to claim 1, characterized in that: The lead-out terminal is vertically arranged between the electrode body, and the lead-out terminal is connected to the edge of the electrode body.

5. The extraction electrode according to any one of claims 1 to 4, characterized in that: The lead terminal and the electrode body are integrally formed.

6. A capacitor, characterized in that: It comprises the extraction electrode as claimed in any one of claims 1 to 5.

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