CN216450512U - Capacitor and assembly mistake-proofing structure thereof - Google Patents
Capacitor and assembly mistake-proofing structure thereof Download PDFInfo
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- CN216450512U CN216450512U CN202122518253.6U CN202122518253U CN216450512U CN 216450512 U CN216450512 U CN 216450512U CN 202122518253 U CN202122518253 U CN 202122518253U CN 216450512 U CN216450512 U CN 216450512U
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Abstract
The utility model discloses a capacitor and an assembly mistake-proofing structure thereof, wherein the assembly mistake-proofing structure of the capacitor comprises an explosion-proof cover and an explosion-proof block; the explosion-proof cover is provided with a first surface and a second surface opposite to the first surface, the first surface of the explosion-proof cover is provided with an electrode seat, and the electrode seat is provided with an electrode plate; a lining plate is arranged on the second surface of the explosion-proof cover, and a boss is arranged on the outer periphery of the lining plate; the explosion-proof block is arranged on one side of the second surface of the explosion-proof cover, a groove matched with the boss of the lining plate is formed in the explosion-proof block, and the boss is inserted into the groove. The utility model can prevent the capacitor from being damaged due to errors in the assembly process of the capacitor, namely, the public end is prevented from being arranged on the wiring end with the external mark as the leading-out electrode in the installation process of the explosion-proof cover of the capacitor.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to a capacitor and an assembly mistake-proofing structure thereof.
Background
The capacitor can be divided into a single-phase capacitor and a three-phase capacitor, wherein the three-phase capacitor has a delta connection method and a star connection method. The connection mode that three capacitors are connected end to end and each end-to-end connection part is used as an extraction electrode is a triangular connection method; as shown in fig. 1, the connection mode in which one end of each of the three capacitors is connected together (i.e., common terminal N) and the other end of each capacitor is used as an extraction electrode (A, B, C) is a star connection. The capacities of the three capacitors in a three-phase capacitor are all the same, and in a three-phase system, the three phases are in a loop.
In the prior art, the star connection type explosion-proof capacitor is not provided with a mistake-proof and fool-proof structure in the installation process of the aluminum cover assembly, so that a public end N and a wiring end of an external identification leading-out electrode can be connected together, and the capacitor is damaged and scrapped.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. To this end, an object of the present invention is to provide an assembly mistake-proofing structure of a capacitor for preventing damage to the capacitor due to a mistake in the assembly process of the capacitor, that is, preventing a common terminal from being mounted on a terminal externally identified as a lead-out electrode in the mounting process of an explosion-proof cover of the capacitor.
A second object of the present invention is to provide a capacitor.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides an assembly mistake-proofing structure of a capacitor, which is assembled on a housing of the capacitor, and in which a core assembly is installed, including:
the anti-explosion cover is provided with a first surface and a second surface opposite to the first surface, the first surface of the anti-explosion cover is provided with an electrode seat, and the electrode seat is provided with an electrode plate; a lining plate is arranged on the second surface of the explosion-proof cover, and a boss is arranged on the outer periphery of the lining plate;
the explosion-proof block is arranged on one side of the second surface of the explosion-proof cover, a groove matched with the boss of the lining plate is formed in the explosion-proof block, and the boss is inserted into the groove.
According to the assembly mistake-proofing structure of the capacitor, the lining plate is arranged on the second surface of the explosion-proof cover, the boss is arranged on the outer periphery of the lining plate, the groove matched with the boss of the lining plate is formed in the explosion-proof block, and the boss is inserted into the groove. When assembling the lining plate and the explosion-proof block, the boss can be clamped into the groove of the explosion-proof block, if the boss does not correspond to the groove, the lining plate can interfere with the explosion-proof block when being matched, and the explosion-proof cover can not be assembled at the moment, so that the explosion-proof cover can only be assembled in a unique mode, and the purpose of preventing the public end from being connected to the wiring end with the external identifier as the leading-out electrode in the installation process of the explosion-proof cover is achieved.
In addition, the assembly mistake-proofing structure of the capacitor proposed by the above embodiment of the present invention may further have the following additional technical features:
optionally, a sealing ring is arranged between the electrode holder and the first surface of the explosion-proof cover, and the hollow rivet sequentially penetrates through the lining plate, the explosion-proof cover, the sealing ring, the electrode holder and the electrode plate and fixes the lining plate, the explosion-proof cover, the sealing ring, the electrode holder and the electrode plate together.
Optionally, four electrode holders are arranged on the first surface of the explosion-proof cover, each electrode holder is provided with an electrode plate, the electrode plates of the three electrode holders are used as leading-out electrodes, and the electrode plate of the other electrode holder is used as a common end.
Specifically, three electrode holders provided with the extraction electrodes are provided with extraction electrode protective sleeves, and one electrode holder provided with the public end is provided with a public end protective sleeve.
Furthermore, the leading-out electrode protective sleeve and the public end protective sleeve are plastic pieces.
Optionally, the explosion-proof cover is an aluminum cover.
In order to achieve the above object, a capacitor according to a second embodiment of the present invention includes the above assembly error-proofing structure.
According to the capacitor provided by the embodiment of the utility model, the capacitor comprises an assembly mistake-proofing structure, the lining plate is arranged on the second surface of the explosion-proofing cover, the boss is arranged on the outer periphery of the lining plate, the groove matched with the boss of the lining plate is arranged on the explosion-proofing block, and the boss is inserted into the groove. When assembling the lining plate and the explosion-proof block, the boss can be clamped into the groove of the explosion-proof block, if the boss does not correspond to the groove, the lining plate can interfere with the explosion-proof block when being matched, and the explosion-proof cover can not be assembled at the moment, so that the explosion-proof cover can only be assembled in a unique mode, and the purpose of preventing the public end from being connected to the wiring end with the external identifier as the leading-out electrode in the installation process of the explosion-proof cover is achieved.
Drawings
FIG. 1 is a schematic diagram of a three-phase capacitor star connection circuit;
FIG. 2 is a perspective assembly view according to an embodiment of the present invention;
FIG. 3 is a top view of an embodiment in accordance with the utility model;
FIG. 4 is a schematic diagram of a front view structure according to an embodiment of the present invention;
FIG. 5 is a schematic front view of an explosion-proof cover according to an embodiment of the utility model;
FIG. 6 is a schematic structural view of a boss of a liner plate according to an embodiment of the present invention;
FIG. 7 is a schematic bottom view of a boss of a liner plate according to an embodiment of the present invention;
fig. 8 is a schematic top view of a cavity of an explosion proof block according to an embodiment of the utility model.
Description of the reference symbols
Electrode plate 14 lining plate 15
Hollow rivet 17 leading-out electrode protective sleeve 18
Public end protective sleeve 19 explosion-proof block 2
A recess 21.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
The second surface of the explosion-proof cover is provided with the lining plate, the outer periphery of the lining plate is provided with the boss, the explosion-proof block is provided with the groove matched with the boss of the lining plate, and the groove is used for inserting the boss. When assembling the lining plate and the explosion-proof block, the boss can be clamped into the groove of the explosion-proof block, if the boss does not correspond to the groove, the lining plate can interfere with the explosion-proof block when being matched, and the explosion-proof cover can not be assembled at the moment, so that the explosion-proof cover can only be assembled in a unique mode, and the purpose of preventing the public end from being connected to the wiring end with the external identifier as the leading-out electrode in the installation process of the explosion-proof cover is achieved.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 2 to 8, the assembly mistake-proofing structure of the capacitor according to the embodiment of the utility model is assembled on a shell of the capacitor, and a core group is installed in the shell and comprises an explosion-proof cover 1 and an explosion-proof block 2.
The explosion-proof cover 1 is provided with a first surface 11 and a second surface 12 opposite to the first surface 11, the first surface 11 of the explosion-proof cover 1 is provided with an electrode seat 13, and the electrode seat 13 is provided with an electrode plate 14. The second surface 12 of the explosion-proof cover 1 is provided with a lining plate 15, and the outer periphery of the lining plate 15 is provided with a boss 151.
Optionally, a sealing ring 16 is arranged between the electrode holder 13 and the first surface 11 of the explosion-proof cover 1, and a hollow rivet 17 sequentially penetrates through the lining plate 15, the explosion-proof cover 1, the sealing ring 16, the electrode holder 13 and the electrode plate 14 and fixes the two together. The hollow structure of the pop rivet 17 is connected to the core pack electrode of the capacitor.
Optionally, four electrode holders 13 are arranged on the first surface 11 of the explosion-proof cover 1, each electrode holder 13 is provided with one electrode sheet 14, the electrode sheets 14 of three electrode holders 13 are used as lead-out electrodes, and the electrode sheet 14 of the other electrode holder 13 is used as a common terminal.
Specifically, the three electrode holders 13 provided with the extraction electrodes are provided with extraction electrode protection sleeves 18, each electrode holder 13 may be provided with an extraction electrode protection sleeve 18, or the three electrode holders 13 may be integrally provided with an extraction electrode protection sleeve 18, and one electrode holder 13 provided with the common end is provided with a common end protection sleeve 19. Further, the leading-out electrode protecting sleeve 18 and the common end protecting sleeve 19 are both plastic pieces. Optionally, the explosion proof cover is an aluminium cover.
The explosion-proof block 2 is arranged on one side of the second surface 12 of the explosion-proof cover 1, a groove 21 matched with the boss 151 of the lining plate 15 is arranged on the explosion-proof block 2, and the boss 151 is inserted into the groove 21. Optionally, the boss 151 is located at a non-central position of the lining plate 15 to form an asymmetric structure, the explosion-proof block 2 is composed of a plastic part and a metal part, the plastic part is partially provided with the groove 21, and in the embodiment, the groove 21 and the boss 151 are both located beside the public end channel.
According to the assembly mistake-proofing structure of the capacitor, the lining plate 15 is arranged on the second surface 12 of the explosion-proof cover 1, the boss 151 is arranged on the outer periphery of the lining plate 15, the groove 21 matched with the boss 151 of the lining plate 15 is arranged on the explosion-proof block 2, and the boss 151 is inserted into the groove 21. When the lining plate 15 and the explosion-proof block 2 are assembled, the boss 151 can be clamped into the groove 21 of the explosion-proof block 2, if the boss 151 does not correspond to the groove 21, the lining plate 15 and the explosion-proof block 2 can interfere when being matched, and the explosion-proof cover 1 cannot be assembled at the moment, so that the explosion-proof cover 1 can be assembled only in a unique mode, and the purpose of preventing the public end from being connected to the wiring end with the external identification as the leading-out electrode in the installation process of the explosion-proof cover 1 is achieved.
As shown in fig. 2 to 8, a capacitor according to an embodiment of the present invention includes an assembly error-proofing structure including an explosion-proof cover 1 and an explosion-proof block 2; the explosion-proof cover 1 is provided with a first surface 11 and a second surface 12 opposite to the first surface 11, the first surface 11 of the explosion-proof cover 1 is provided with an electrode seat 13, and the electrode seat 13 is provided with an electrode plate 14. The second surface 12 of the explosion-proof cover 1 is provided with a lining plate 15, and the outer periphery of the lining plate 15 is provided with a boss 151. The explosion-proof block 2 is arranged on one side of the second surface 12 of the explosion-proof cover 1, a groove 21 matched with the boss 151 of the lining plate 15 is arranged on the explosion-proof block 2, and the boss 151 is inserted into the groove 21.
According to the capacitor provided by the embodiment of the utility model, the capacitor comprises an assembly mistake-proofing structure, as the lining plate 15 is arranged on the second surface 12 of the explosion-proof cover 1, the boss 151 is arranged on the outer periphery of the lining plate 15, the groove 21 matched with the boss 151 of the lining plate 15 is arranged on the explosion-proof block 2, and the boss 151 is inserted into the groove 21. When the lining plate 15 and the explosion-proof block 2 are assembled, the boss 151 can be clamped into the groove 21 of the explosion-proof block 2, if the boss 151 does not correspond to the groove 21, the lining plate 15 and the explosion-proof block 2 can interfere when being matched, and the explosion-proof cover 1 can not be assembled at the moment, so that the explosion-proof cover 1 can only be assembled in a unique mode, and the purpose of preventing a public end from being connected to a wiring end with an external mark as a leading-out electrode in the installation process of the explosion-proof cover 1 is achieved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The utility model provides an assembly mistake proofing structure of condenser, assembles on the casing of condenser, installs core group in the casing, its characterized in that includes:
the anti-explosion cover is provided with a first surface and a second surface opposite to the first surface, the first surface of the anti-explosion cover is provided with an electrode seat, and the electrode seat is provided with an electrode plate; a lining plate is arranged on the second surface of the explosion-proof cover, and a boss is arranged on the outer periphery of the lining plate;
the explosion-proof block is arranged on one side of the second surface of the explosion-proof cover, a groove matched with the boss of the lining plate is formed in the explosion-proof block, and the boss is inserted into the groove.
2. An assembly mistake proofing structure of a capacitor as claimed in claim 1, wherein a sealing ring is provided between the electrode holder and the first surface of the explosion proof cover, and a blind rivet is sequentially passed through the lining plate, the explosion proof cover, the sealing ring, the electrode holder and the electrode tab and fixes them together.
3. An assembly mistake proofing structure of a capacitor as claimed in claim 1, wherein the first surface of the explosion proof cover is provided with four electrode holders, each of the electrode holders is provided with an electrode tab, the electrode tabs of three of the electrode holders are used as lead-out electrodes, and the electrode tab of the other electrode holder is used as a common terminal.
4. An assembly mistake proofing structure of a capacitor as claimed in claim 3, wherein three of said electrode holders provided with said lead-out electrodes are provided with lead-out electrode protecting sleeves, and one of said electrode holders provided with said common terminal is provided with a common terminal protecting sleeve.
5. The error proofing structure for assembling capacitor as claimed in claim 4, wherein said lead-out electrode protecting case and common terminal protecting case are made of plastic.
6. An assembly mistake proofing structure of a capacitor as claimed in claim 1, wherein the explosion proof cover is an aluminum cover.
7. A capacitor comprising the misassembly prevention structure as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518253.6U CN216450512U (en) | 2021-10-19 | 2021-10-19 | Capacitor and assembly mistake-proofing structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518253.6U CN216450512U (en) | 2021-10-19 | 2021-10-19 | Capacitor and assembly mistake-proofing structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216450512U true CN216450512U (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518253.6U Active CN216450512U (en) | 2021-10-19 | 2021-10-19 | Capacitor and assembly mistake-proofing structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN216450512U (en) |
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2021
- 2021-10-19 CN CN202122518253.6U patent/CN216450512U/en active Active
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