CN219873174U - Metal cover plate of aluminum electrolytic capacitor - Google Patents
Metal cover plate of aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN219873174U CN219873174U CN202321053814.2U CN202321053814U CN219873174U CN 219873174 U CN219873174 U CN 219873174U CN 202321053814 U CN202321053814 U CN 202321053814U CN 219873174 U CN219873174 U CN 219873174U
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- CN
- China
- Prior art keywords
- cover plate
- metal cover
- metal
- terminal assembly
- electrolytic capacitor
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 117
- 239000002184 metal Substances 0.000 title claims abstract description 117
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003990 capacitor Substances 0.000 title claims abstract description 38
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000013256 coordination polymer Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a metal cover plate of an aluminum electrolytic capacitor, which comprises a metal cover plate main body and a terminal assembly arranged on the metal cover plate main body; the metal cover plate main body is provided with a groove, and a terminal assembly mounting hole is formed in the bottom surface of the groove; the terminal assembly comprises an outgoing metal guide pin, an insulating rubber seat and a metal sleeve; the insulating rubber seat is arranged between the lead-out metal guide pin and the metal sleeve, and the metal sleeve is welded at the terminal assembly mounting hole, so that the terminal assembly is mounted and fixed on the metal cover plate main body. The metal cover plate of the aluminum electrolytic capacitor has a firm structure, and can greatly improve the performance of the aluminum electrolytic capacitor after encapsulation.
Description
Technical Field
The utility model belongs to the technical field of capacitors, and particularly relates to a metal cover plate of an aluminum electrolytic capacitor.
Background
With the continuous improvement of capacitor performance, aluminum electrolytic capacitors have been widely used in consumer electronics, communication products, computers and peripheral products, new energy, automation control, automotive industry, photovoltaic products, high-speed railway and aviation and military equipment, etc. In the technical field of consumer electronics, the application of the aluminum electrolytic capacitor has the characteristics of small volume, large stored electric quantity and high cost performance along with structural transformation and technical progress, and the aluminum electrolytic capacitor is expanded in various emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like, and has wider application range.
At present, an aluminum electrolytic capacitor is generally composed of a core bag formed by winding positive and negative aluminum foils and electrolytic paper, a cylindrical aluminum shell and a sealing cover plate with positive and negative wiring terminals, wherein positive and negative terminal lead-out holes are formed in the cover plate, and positive and negative terminals are arranged on the cover plate through the through holes. The cover plate of most aluminum electrolytic capacitors is generally made by compounding high-temperature-resistant rubber and a phenolic resin substrate, the performance of the cover plate has great influence on the performance of the capacitors, however, the packaging cover plate of the current aluminum electrolytic capacitors has a plurality of defects, and is not firm enough and not firm enough after packaging.
It is thus seen that there is a need in the art for a solution to provide a robust aluminum electrolytic capacitor metal cover plate.
The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present utility model and is not necessarily prior art to the present application and is not intended to be used as an aid in the evaluation of the novelty and creativity of the present utility model in the event that no clear evidence indicates that such is already disclosed at the date of filing of the present application.
Disclosure of Invention
The utility model aims to provide a metal cover plate of an aluminum electrolytic capacitor, which solves at least one of the problems in the background technology.
In order to achieve the above object, the technical solution of the embodiment of the present utility model is as follows:
a metal cover plate of an aluminum electrolytic capacitor comprises a metal cover plate main body and a terminal assembly arranged on the metal cover plate main body; the metal cover plate main body is provided with a groove, and a terminal assembly mounting hole is formed in the bottom surface of the groove; the terminal assembly comprises an outgoing metal guide pin, an insulating rubber seat and a metal sleeve; the insulating rubber seat is arranged between the lead-out metal guide pin and the metal sleeve, and the metal sleeve is welded at the terminal assembly mounting hole, so that the terminal assembly is mounted and fixed on the metal cover plate main body.
In some embodiments, the opening edge of the recess of the metal cover body is provided in an arc shape, thereby forming an inwardly inclined arc-shaped opening.
In some embodiments, the recess of the metal cover body is an elongated square.
In some embodiments, the metal cover body has a rectangular shape, and the outer surface of the metal cover body is provided with an arc shape at the connection position of each adjacent two sides.
In some embodiments, the depth of the groove is less than the height of the metal sleeve of the terminal assembly.
In some embodiments, the outer diameter of the metal sleeve is adapted to the terminal assembly mounting hole.
In some embodiments, the insulating rubber mount of the terminal assembly includes a cylindrical sleeve and a circular base plate having an outer diameter that is larger than the bore diameter of the terminal assembly mounting hole.
In some embodiments, there are two terminal assembly mounting holes for mounting positive and negative terminal assemblies; the two terminal assembly mounting holes are symmetrically or asymmetrically arranged on the metal cover plate main body.
In some embodiments, the insulating rubber mount of the terminal assembly is disposed between the outgoing metal lead and the metal sleeve to insulate the outgoing metal lead from the metal sleeve.
In some embodiments, the lead-out metal lead comprises a CP lead, an aluminum stem and a welded base.
The technical scheme of the utility model has the beneficial effects that:
compared with the prior art, the metal cover plate of the aluminum electrolytic capacitor has a firm structure, and can greatly improve the performance of the aluminum electrolytic capacitor after encapsulation.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view showing a metal cover plate of an aluminum electrolytic capacitor according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a terminal assembly of a metal cover plate of an aluminum electrolytic capacitor according to one embodiment of the present utility model;
FIG. 3 is another angular view of a metal cover plate of an aluminum electrolytic capacitor according to an embodiment of the present utility model;
FIG. 4 is a partially exploded view of a metal cover plate of an aluminum electrolytic capacitor according to an embodiment of the present utility model;
fig. 5 is a cut-away view of a metal cover plate of an aluminum electrolytic capacitor according to an embodiment of the present utility model.
Detailed Description
In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present utility model more clear and make those skilled in the art better understand the solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for a fixing function or for a circuit communication function.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In describing embodiments of the present utility model, unless explicitly stated and limited otherwise, the meaning of "plurality" is two or more, and the terms "mounted," "connected," "secured," etc. are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or as a unit; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-5, as an embodiment of the present utility model, an aluminum electrolytic capacitor metal cover 300 is provided, and as shown in fig. 1 and 2, the aluminum electrolytic capacitor cover 300 of the present utility model includes a metal cover body 30, and a terminal assembly 400 disposed on the metal cover body 30; wherein, the metal cover body 30 is provided with a groove 31, and a terminal assembly mounting hole 310 is arranged on the bottom surface of the groove 31; the terminal assembly 400 comprises a lead-out metal guide pin 40, an insulating rubber seat 41 and a metal sleeve 42; the insulating rubber seat 41 is disposed between the lead-out metal pins 40 and the metal sleeve 42, and the metal sleeve 42 is welded to the terminal assembly mounting hole 310, so that the terminal assembly 400 is mounted and fixed on the metal cover body 30.
Referring to fig. 3, 4 and 5, the opening edge of the groove 31 of the metal cover body 30 is provided in an arc shape, thereby forming an arc-shaped opening inclined inward; the junction of the bottom surface and the peripheral side surfaces of the groove 31 is provided with an arc transition. In the embodiment of the utility model, the groove 31 of the metal cover body 30 is a rectangular shape. In some embodiments, the metal cover body 30 has a rectangular shape, and the outer surface of the metal cover body 30 is provided with an arc shape at the connection between each two adjacent surfaces.
It should be noted that, in other embodiments, the metal cover body 30 and/or the groove 31 of the metal cover body 30 may be configured in other shapes, and no matter what shape is configured, the metal cover body and the groove should fall within the protection scope of the present utility model.
In some embodiments, the depth of the recess 31 is less than the height of the metal sleeve 42 of the terminal assembly 400; the outer diameter of the metal sleeve 42 is adapted to the terminal assembly mounting hole 310; the insulating rubber seat 41 of the terminal assembly comprises a cylindrical sleeve 410 and a circular chassis 411, wherein the outer diameter of the circular chassis 411 is larger than the aperture of the terminal assembly mounting hole 310.
In some embodiments, the terminal assembly mounting holes 310 are two for mounting the positive and negative terminal assemblies. The two terminal assembly mounting holes 310 are symmetrically or asymmetrically provided on the metal cap body 30.
Referring to fig. 2 and 5, an insulating rubber seat 41 of the terminal assembly is disposed between the lead-out metal lead 40 and the metal sleeve 42 so as to insulate the lead-out metal lead 40 from the metal sleeve 42; the lead-out metal guide pin 40 comprises a CP lead 401, an aluminum stem 402 and a welding base 403.
In the embodiment of the present utility model, the CP lead 401 from which the metal lead 40 is led out and the aluminum stem 402 are in a circular strip shape, wherein the diameter of the aluminum stem 402 is greater than the diameter of the CP lead 401, and the length of the CP lead 401 is greater than the length of the aluminum stem 402; the welding base 403 is disc-shaped, and is welded to the cell of the aluminum electrolytic capacitor through the welding base 403.
The insulating rubber seat 41 comprises a cylindrical sleeve 410 and a circular chassis 411, a through hole 412 matched with the aluminum stem 402 for leading out the metal guide pin is arranged in the center of the insulating rubber seat 41, and the outer diameter of the aluminum stem 402 is matched with the inner diameter of the through hole 412, so that the aluminum stem 402 can be tightly sleeved in the through hole 412. In some embodiments, the length of the through hole 412 is greater than the length of the aluminum stem 402. In some embodiments, the diameter of the cylindrical sleeve 410 is less than the diameter of the circular chassis 411. The circular chassis 411 of the insulating rubber mount 41 is abutted against the welding base 403 from which the metal lead 40 is led out.
The metal sleeve 42 is sleeved on the surface of the cylindrical sleeve 410 of the insulating rubber seat 41, and corresponds to the cylindrical sleeve 410, the metal sleeve 42 is cylindrical, the inner diameter of the metal sleeve 42 is matched with the outer diameter of the cylindrical sleeve 410, the length of the metal sleeve 42 is greater than that of the cylindrical sleeve 410, the metal sleeve 42 is sleeved on the surface of the cylindrical sleeve 410 to be bunched, one end of the metal sleeve 42 is connected with the circular chassis 411 of the insulating rubber seat 41 in a low mode, and the other end of the metal sleeve 42 is buckled with the cylindrical sleeve 410 of the insulating rubber seat 41 through a curled edge. In some implementations, the metal sleeve 42 is an aluminum tube.
In some embodiments, the welding base 403 of the lead-out metal pin 40 is provided with a circular protruding strip 404 on the upper surface, and an annular groove 405 is formed between the circular protruding strip 404 and the bottom of the aluminum stem; so designed, when the metal sleeve 42 is in a girdling state, the insulating rubber seat 41 is extruded, the circular chassis 411 of the insulating rubber seat 41 is partially extruded and embedded into the annular groove 405, and meanwhile, the circular protruding strip 404 is extruded and embedded into the circular chassis 411 of the insulating rubber seat 41, so that the insulating rubber seat 41 and the lead-out metal guide pin 40 are tightly combined together.
It should be understood that, in some embodiments, the lead-out metal pins 40 may be in the shape of strips with other irregular patterns, and the shapes of the lead-out metal pins are not particularly limited in this embodiment, and any pattern should be included in the protection scope of the present utility model as long as the pattern does not deviate from the gist of the present utility model.
It is to be understood that the foregoing is a further detailed description of the present utility model in connection with the specific/preferred embodiments, and that no particular implementation of the present utility model is to be considered limited to such description. It will be apparent to those skilled in the art to which the present utility model pertains that many substitutions and modifications of these described embodiments may be made without departing from the inventive concepts herein, and these substitutions and modifications are intended to be within the scope of this patent. In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "preferred embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction. Although the embodiments of the present utility model and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope as defined by the appended claims.
Furthermore, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, manufacture, composition of matter, means, methods and steps described in the specification. Those of ordinary skill in the art will readily appreciate that the above-described disclosures, procedures, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps.
Claims (10)
1. An aluminum electrolytic capacitor metal cover plate is characterized in that: the metal cover plate comprises a metal cover plate body and a terminal assembly arranged on the metal cover plate body; the metal cover plate main body is provided with a groove, and a terminal assembly mounting hole is formed in the bottom surface of the groove; the terminal assembly comprises an outgoing metal guide pin, an insulating rubber seat and a metal sleeve; the insulating rubber seat is arranged between the lead-out metal guide pin and the metal sleeve, and the metal sleeve is welded at the terminal assembly mounting hole, so that the terminal assembly is mounted and fixed on the metal cover plate main body.
2. The aluminum electrolytic capacitor metal cover plate as recited in claim 1, wherein: the opening edge of the groove of the metal cover plate main body is arranged to be arc-shaped, so that an inward inclined arc-shaped opening is formed.
3. The aluminum electrolytic capacitor metal cover plate as recited in claim 1, wherein: the groove of the metal cover plate main body is in a long square shape.
4. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the metal cover plate main body is rectangular, and the outer surface of the metal cover plate main body is arc-shaped at the joint of every two adjacent surfaces.
5. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the depth of the groove is less than the height of the metal sleeve of the terminal assembly.
6. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the outer diameter of the metal sleeve is matched with the terminal assembly mounting hole.
7. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the insulating rubber seat of the terminal assembly comprises a cylindrical sleeve and a circular chassis, and the outer diameter of the circular chassis is larger than the aperture of the terminal assembly mounting hole.
8. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the terminal assembly mounting holes are two in number and are used for mounting the positive terminal assembly and the negative terminal assembly; the two terminal assembly mounting holes are symmetrically or asymmetrically arranged on the metal cover plate main body.
9. The aluminum electrolytic capacitor metal cover plate as recited in claim 1 or 2, wherein: the insulating rubber seat of the terminal assembly is arranged between the lead-out metal guide pin and the metal sleeve, so that the lead-out metal guide pin is insulated from the metal sleeve.
10. The aluminum electrolytic capacitor metal cover plate as recited in claim 9, wherein: the lead-out metal guide pin comprises a CP lead, an aluminum stem and a welding base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053814.2U CN219873174U (en) | 2023-05-05 | 2023-05-05 | Metal cover plate of aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053814.2U CN219873174U (en) | 2023-05-05 | 2023-05-05 | Metal cover plate of aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873174U true CN219873174U (en) | 2023-10-20 |
Family
ID=88325609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321053814.2U Active CN219873174U (en) | 2023-05-05 | 2023-05-05 | Metal cover plate of aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873174U (en) |
-
2023
- 2023-05-05 CN CN202321053814.2U patent/CN219873174U/en active Active
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