CN220138133U - Capacitor and extraction electrode mounting structure thereof - Google Patents
Capacitor and extraction electrode mounting structure thereof Download PDFInfo
- Publication number
- CN220138133U CN220138133U CN202321000599.XU CN202321000599U CN220138133U CN 220138133 U CN220138133 U CN 220138133U CN 202321000599 U CN202321000599 U CN 202321000599U CN 220138133 U CN220138133 U CN 220138133U
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- Prior art keywords
- capacitor
- lead
- electrode
- mounting structure
- extraction electrode
- Prior art date
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- 238000000605 extraction Methods 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000004806 packaging method and process Methods 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a lead-out electrode mounting structure of a capacitor, which comprises a packaging shell and an insulating piece; a containing cavity with one side open is formed in the packaging shell, a capacitor core is arranged in the containing cavity, filling resin is filled in a sealing mode, and a notch which is communicated with the opening is formed in one side wall of the packaging shell adjacent to the opening; the insulating part is arranged in the notch, the insulating part is in sealing connection with the side wall of the packaging shell, a through hole for the extraction electrode to extend out is formed in the insulating part, and the insulating part is in sealing connection with the extraction electrode. The utility model can lead the lead-out electrode out from the side of the non-filling resin, has good sealing effect, and has small loop inductance without bending the lead-out electrode.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to a capacitor and an extraction electrode mounting structure thereof.
Background
In the related art, a film capacitor generally includes a capacitor core, an extraction electrode, a package case, and a filling resin; the capacitor core is accommodated in the packaging shell, filling resin is filled in the packaging shell, and the extraction electrode is connected with the capacitor core and extracted from the packaging shell. The capacitor core comprises a polar plate, a medium and metal layers sprayed on two end surfaces; the extraction electrode is generally a lead wire, a soldering lug or a busbar; the filler resin is typically an epoxy resin.
In the film capacitor with the conventional structure, since the package housing needs to be filled with liquid resin, one side of the package housing can only be opened for filling the resin, and the other side needs to be sealed in an insulating manner, so that the extraction electrode of the film capacitor can only be extracted from the side filled with the resin. However, in some applications of thin film capacitors, the extraction electrode is required to be extracted from the non-filled resin side, and the existing solutions are: firstly, the lead-out electrode is directly led out from a notch formed on one side of the packaging shell, which is not filled with resin, and the defect is that the resin flows out due to the notch, so that the packaging shell cannot be sealed. Secondly, the extraction electrode is bent to the non-filling resin side after being extracted from the filling resin side, and the defect is that the bending path of the extraction electrode is long, so that the loop inductance is large.
Disclosure of Invention
The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, an object of the present utility model is to provide a structure for mounting a lead-out electrode of a capacitor, which leads out the lead-out electrode from a non-filled resin side, has a good sealing effect, and has a small loop inductance without bending the lead-out electrode.
A second object of the utility model is to propose a capacitor.
To achieve the above object, an embodiment of a first aspect of the present utility model provides a lead electrode mounting structure of a capacitor, including:
the packaging shell is internally provided with an accommodating cavity with an opening at one side, a capacitor core is arranged in the accommodating cavity, filling resin is filled in a sealing mode, and a notch which is communicated with the opening is formed in one side wall of the packaging shell adjacent to the opening;
the insulation piece, the insulation piece sets up in the opening, the insulation piece with encapsulation shell's lateral wall sealing connection, be provided with the perforation that supplies the extraction electrode to stretch out on the insulation piece, the insulation piece with sealing connection between the extraction electrode.
According to the lead-out electrode mounting structure of the capacitor, as the opening communicated with the opening is formed in one side wall of the packaging shell adjacent to the opening, the insulating piece is arranged in the opening and is in sealing connection with the side wall of the packaging shell, the insulating piece is provided with the through hole for the lead-out electrode to extend out, and the insulating piece is in sealing connection with the lead-out electrode, the lead-out electrode can be led out from one side of the non-filled resin, the sealing effect is good, the lead-out electrode does not need to be bent, the loop inductance is small, and therefore different application occasions of the capacitor are met.
In addition, the lead-out electrode mounting structure of the capacitor according to the above embodiment of the present utility model may further have the following additional technical features:
optionally, a clamping groove is formed at the end of the opening of the packaging shell, and the edge of the insulating piece is clamped into the clamping groove, so that the insulating piece is arranged in the opening.
Optionally, the insulating member is a plastic member.
Specifically, the working of plastics includes connecting seat and mount pad, the connecting seat with the crossing setting of mount pad, the connecting seat with encapsulation shell's lateral wall sealing connection, be provided with the perforation that supplies the extraction electrode to stretch out on the mount pad, the mount pad with sealing connection between the extraction electrode.
Further, the connecting seat is sealed with the side wall of the packaging shell in a gluing mode, and the mounting seat is sealed with the extraction electrode in a gluing mode.
Further, the connecting seat and the mounting seat are mutually perpendicular.
In order to achieve the above object, a second aspect of the present utility model provides a capacitor including a lead electrode mounting structure.
According to the capacitor provided by the embodiment of the utility model, the capacitor comprises the extraction electrode mounting structure, as the opening communicated with the opening is arranged on one side wall of the packaging shell adjacent to the opening, the insulating piece is arranged in the opening, the insulating piece is in sealing connection with the side wall of the packaging shell, the insulating piece is provided with the through hole for the extraction electrode to extend out, and the insulating piece is in sealing connection with the extraction electrode, so that the extraction electrode can be extracted from one side of the non-filled resin, the sealing effect is good, the extraction electrode does not need to be bent, the loop inductance is small, and different application occasions of the capacitor are met.
Drawings
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic view of a partial structure of an embodiment of the present utility model;
fig. 3 is a schematic diagram of an internal structure of an embodiment of the present utility model.
Description of the reference numerals
The packaging shell 1, the accommodating cavity 11, the notch 12, the clamping groove 13, the insulator 2, the through hole 21, the connecting seat 22, the mounting seat 23, the capacitor core 3 and the extraction electrode 4.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may 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.
As shown in fig. 1 to 3, a lead-out electrode mounting structure of a capacitor according to an embodiment of the present utility model includes a package case 1 and an insulating member 2.
The packaging shell 1 is internally provided with a containing cavity 11 with one side open, the containing cavity 11 is internally provided with a capacitor core 3, filling resin is filled in a sealing mode, and a notch 12 communicated with the opening is formed in one side wall of the packaging shell 1 adjacent to the opening.
The insulator 2 is arranged in the notch 12, the insulator 2 is connected with the side wall of the packaging shell 1 in a sealing way, a through hole 21 for the extraction electrode 4 to extend out is arranged on the insulator 2, and the insulator 2 is connected with the extraction electrode 4 in a sealing way.
To facilitate assembly of the insulating member 2 with the package housing 1, optionally, a clamping groove 13 is provided at an end of the opening 12 of the package housing 1, and an edge of the insulating member 2 is clamped into the clamping groove 13, so that the insulating member 2 is disposed in the opening 12.
Optionally, the insulating member 2 is a plastic member, and the material of the plastic member includes, but is not limited to, PPS (polyphenylene sulfide) or PC (polycarbonate). Specifically, the plastic member 2 includes a connection base 22 and a mount base 23, and the connection base 22 and the mount base 23 are disposed so as to intersect, preferably, the connection base 22 and the mount base 23 are disposed so as to be perpendicular to each other, so that the extraction electrode 4 is extracted from the non-filled resin side.
The connecting seat 22 is connected with the side wall of the packaging shell 1 in a sealing way, a through hole 21 for the extraction electrode 4 to extend out is arranged on the mounting seat 22, and the mounting seat 22 is connected with the extraction electrode 4 in a sealing way. Further, the connection base 22 is glued and sealed with the side wall of the package housing 1, and the mounting base 22 is glued and sealed with the extraction electrode 4, and the sealant includes, but is not limited to, soft glue such as silica gel and epoxy gel.
Because be equipped with on the adjacent one of them lateral wall of encapsulation shell 1 and opening with opening through-going opening 12, insulating part 2 sets up in opening 12, insulating part 2 and encapsulation shell 1's lateral wall sealing connection is provided with the perforation 21 that supplies extraction electrode 4 to stretch out on the insulating part 2 for sealing connection between insulating part 2 and the extraction electrode 4, make extraction electrode 4 can follow non-filling resin one side and draw forth, and sealed effectual, extraction electrode need not to bend and return circuit inductance is little, thereby satisfies the different application scenario of condenser.
As shown in fig. 1 to 3, a capacitor according to an embodiment of the present utility model has a lead electrode mounting structure including a package case 1 and an insulating member 2. The packaging shell 1 is internally provided with a containing cavity 11 with one side open, the containing cavity 11 is internally provided with a capacitor core 3, filling resin is filled in a sealing mode, and a notch 12 communicated with the opening is formed in one side wall of the packaging shell 1 adjacent to the opening. The insulator 2 is arranged in the notch 12, the insulator 2 is connected with the side wall of the packaging shell 1 in a sealing way, a through hole 21 for the extraction electrode 4 to extend out is arranged on the insulator 2, and the insulator 2 is connected with the extraction electrode 4 in a sealing way.
The capacitor comprises an extraction electrode mounting structure, as the opening 12 communicated with the opening is arranged on one side wall of the packaging shell 1 adjacent to the opening, the insulating piece 2 is arranged in the opening 12, the insulating piece 2 is in sealing connection with the side wall of the packaging shell 1, the insulating piece 2 is provided with a through hole 21 for the extraction electrode 4 to extend out, the insulating piece 2 is in sealing connection with the extraction electrode 4, the extraction electrode 4 can be extracted from one side of the non-filled resin, the sealing effect is good, the extraction electrode does not need to be bent, the loop inductance is small, and therefore different application occasions of the capacitor are met.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present 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 the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; 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.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some 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 present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (7)
1. A lead-out electrode mounting structure of a capacitor, comprising:
the packaging shell is internally provided with an accommodating cavity with an opening at one side, a capacitor core is arranged in the accommodating cavity, filling resin is filled in a sealing mode, and a notch which is communicated with the opening is formed in one side wall of the packaging shell adjacent to the opening;
the insulation piece, the insulation piece sets up in the opening, the insulation piece with encapsulation shell's lateral wall sealing connection, be provided with the perforation that supplies the extraction electrode to stretch out on the insulation piece, the insulation piece with sealing connection between the extraction electrode.
2. The lead-out electrode mounting structure of a capacitor according to claim 1, wherein a notch end portion of said package case is provided with a catching groove, and an edge of said insulating member is caught in said catching groove so that said insulating member is disposed in said notch.
3. A lead electrode mounting structure of a capacitor as set forth in claim 1, wherein said insulating member is a plastic member.
4. The lead-out electrode mounting structure of a capacitor according to claim 3, wherein the plastic member comprises a connecting seat and a mounting seat, the connecting seat is arranged intersecting with the mounting seat, the connecting seat is in sealing connection with the side wall of the package shell, the mounting seat is provided with a through hole for extending out the lead-out electrode, and the mounting seat is in sealing connection with the lead-out electrode.
5. The capacitor lead electrode mounting structure of claim 4, wherein said connection base is sealed with said package housing by glue, and said mounting base is sealed with said lead electrode by glue.
6. The capacitor lead electrode mounting structure of claim 4, wherein said connector and said mounting base are disposed perpendicular to each other.
7. A capacitor comprising the extraction electrode mounting structure according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000599.XU CN220138133U (en) | 2023-04-27 | 2023-04-27 | Capacitor and extraction electrode mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000599.XU CN220138133U (en) | 2023-04-27 | 2023-04-27 | Capacitor and extraction electrode mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138133U true CN220138133U (en) | 2023-12-05 |
Family
ID=88957976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321000599.XU Active CN220138133U (en) | 2023-04-27 | 2023-04-27 | Capacitor and extraction electrode mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138133U (en) |
-
2023
- 2023-04-27 CN CN202321000599.XU patent/CN220138133U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |