CN219418788U - Film capacitor - Google Patents
Film capacitor Download PDFInfo
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- CN219418788U CN219418788U CN202223513053.2U CN202223513053U CN219418788U CN 219418788 U CN219418788 U CN 219418788U CN 202223513053 U CN202223513053 U CN 202223513053U CN 219418788 U CN219418788 U CN 219418788U
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- metal contact
- mounting block
- terminal
- shell
- film
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model discloses a film capacitor, which comprises an end cover, a shell and a film core, wherein the end cover is fixedly arranged on the shell, a sealing ring is arranged at the installation joint of the end cover and the shell, the film core is arranged in the shell, the end cover comprises a body, a first terminal and a second terminal, a first partition board is arranged on one side of the body far away from the shell, a first installation area is arranged on one side of the first partition board, and a second installation area is arranged on the other side of the first partition board. The utility model discloses a film capacitor, which can work in high temperature and high humidity environment through a sealing ring and a heat dissipation convex strip, and can fasten and position a film core arranged in a shell through a positioning sleeve, so that the film capacitor can still work normally under the shaking condition, and has the advantages of high temperature resistance, high humidity resistance, shaking resistance and the like.
Description
Technical Field
The utility model belongs to the technical field of capacitors, and particularly relates to a thin film capacitor.
Background
The film capacitor is a capacitor having a cylindrical structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene or polycarbonate from both ends, and then wound. And are also called as a polyethylene capacitor (also called as a Mylar capacitor), a polypropylene capacitor (also called as a PP capacitor), a polystyrene capacitor (also called as a PS capacitor) and a polycarbonate capacitor, respectively, depending on the kind of the plastic film.
Some capacitors are used in high temperature and high humidity environments, so that the capacitor needs to have high temperature resistance and moisture resistance, and the medium needs to be fixedly arranged inside a shell of the capacitor, and the medium is loosened due to severe shaking, so that the positioning of the medium is also critical.
Therefore, the above problems are further improved.
Disclosure of Invention
The utility model mainly aims to provide a film capacitor, which firstly enables the capacitor to work in high-temperature and high-humidity environments through a sealing ring and a heat dissipation convex strip, and secondly enables a film core arranged in a shell to be fastened and positioned through a positioning sleeve, so that the film capacitor can still work normally under shaking conditions, and has the advantages of high temperature resistance, high humidity resistance, shaking resistance and the like.
In order to achieve the above object, the present utility model provides a film capacitor, comprising an (explosion-proof) end cap, a housing and a film core, wherein the end cap is fixedly mounted on the housing, a sealing ring (waterproof and moisture-proof) is arranged at the mounting connection part of the end cap and the housing, and the film core is internally arranged in the housing, wherein:
the end cover comprises a body, a first terminal and a second terminal, wherein a first partition board is arranged on one side, far away from the shell, of the body, a first installation area is arranged on one side of the first partition board, a second installation area is arranged on the other side of the first partition board, the first terminal is installed in the first installation area, the second terminal is installed in the second installation area, a second partition board is arranged on one side, close to the shell, of the body, a third installation area is arranged on one side of the second partition board, a fourth installation area is arranged on the other side of the second partition board, and a first extension column and a second extension column are arranged on the second partition board;
the outer surface of the shell is provided with a heat radiation convex strip (which is favorable for heat radiation and high temperature resistance and can still continuously run at high temperature) and the inside of the shell is provided with a positioning sleeve, the positioning sleeve comprises a first component and a second component which are integrally formed, the first component is positioned at one side close to the body, the second component is positioned at one side, far away from the body, of the first component, the first component is provided with a first positioning groove and a second positioning groove, the first extending column is inserted into the first positioning groove, the second extending column is inserted into the second positioning groove (so that the positioning sleeve is used for limiting and stabilizing the position of the end cover positioned at the shell, looseness and rotation are not easy to occur, and the positioning sleeve is also favorable for limiting a medium arranged in the shell at a preset position);
the film core comprises a first metal contact end, a second metal contact end, a first medium film, a second medium film, a first electrode and a second electrode, wherein the first electrode, the first medium film, the second electrode and the second medium film are sequentially and periodically arranged between the first metal contact end and the second metal contact end, a first port is tightly adhered to one side, far away from the second metal contact end, of the first metal contact end, a second port is tightly adhered to one side, far away from the first metal contact end, of the second metal contact end, the first port is electrically connected with the first terminal, the second port is electrically connected with the second terminal (the first electrode is led out from the first metal contact end, the second electrode is led out from the second metal contact end, and a medium film is arranged between the first electrode and the second electrode).
As a further preferable technical solution of the above technical solution, the first installation area is provided with a first installation block, a second installation block and a third installation block, wherein:
the first installation piece is hugged closely one side of first baffle, the second installation piece with the third installation piece respectively with be equipped with the distance between the first installation piece, first terminal install in first installation piece the second installation piece with the installation region that the third installation piece formed (all carries out spacing fixedly with four angles of first terminal to make first terminal install more steadily in the body).
As a further preferable technical solution of the above technical solution, the second mounting area is provided with a fourth mounting block, a fifth mounting block and a sixth mounting block, wherein:
the fourth installation piece is hugged closely the opposite side of first baffle (keep away from one side of first installation piece), the fifth installation piece with the sixth installation piece respectively with be equipped with the distance between the fourth installation piece, the second terminal install in the fourth installation piece the fifth installation piece with the installation region that the sixth installation piece formed (all carries out spacing fixed with four angles of second terminal, thereby make the second terminal install more steadily in the body).
As a further preferable technical solution of the above technical solution, the first mounting area and the third mounting area are communicated through a first through hole, and the second mounting area and the fourth mounting area are communicated through a second through hole (so as to facilitate wiring connection, thereby enabling the first terminal and the second terminal to be connected with the film core inside the housing).
As a further preferable technical scheme of the above technical scheme, the positioning sleeve is provided with a containing cavity (the orientation of the containing cavity is opposite to the orientation of the opening of the shell) facing away from the end cover direction, so that the film core is limited and positioned in the shell up and down, looseness is not easy to occur, and quality is improved).
As a further preferable technical scheme of the technical scheme, a plurality of positioning blocks are arranged in the second assembly (the built-in film cores are compacted and positioned through the positioning blocks, so that the film cores are not easy to loosen).
As a further preferable technical scheme of the above technical scheme, one end of the first electrode and one end of the first dielectric film are respectively embedded in the first metal contact end, a distance is arranged between the other end of the first electrode and the second metal contact end, and the other end of the first dielectric film is tightly attached to the second metal contact end;
one end of the second electrode and one end of the second dielectric film are respectively embedded in the second metal contact end, a distance is arranged between the other end of the second electrode and the first metal contact end, and the other end of the second dielectric film is tightly attached to the first metal contact end.
As a further preferable technical scheme of the above technical scheme, a protective layer is further arranged between the first metal contact end and the second metal contact end, and a packaging coating is arranged around the first terminal, the second terminal, the first metal contact end, the second metal contact end and the protective layer.
Drawings
Fig. 1 is a schematic structural view of a thin film capacitor of the present utility model.
Fig. 2 is a schematic structural view of a thin film capacitor according to the present utility model.
Fig. 3 is a cross-sectional view taken along the AA direction of fig. 2.
Fig. 4A is a schematic structural view of an end cap of a film capacitor according to the present utility model.
Fig. 4B is a schematic structural view of an end cap of a film capacitor according to the present utility model.
Fig. 5A is a schematic structural view of a positioning sleeve of a film capacitor according to the present utility model.
Fig. 5B is a schematic structural view of a positioning sleeve of a thin film capacitor according to the present utility model.
Fig. 6 is a schematic structural view of a film core of a film capacitor according to the present utility model.
The reference numerals include: 100. an end cap; 110. a body; 111. a first separator; 112. a first mounting area; 1121. a first mounting block; 1122. a second mounting block; 1123. a third mounting block; 113. a second mounting area; 1131. a fourth mounting block; 1132. a fifth mounting block; 1133. a sixth mounting block; 114. a second separator; 1141. a first extension column; 1142. a second extension column; 115. a third mounting area; 116. a fourth mounting area; 117. a first through hole; 118. a second through hole; 120. a first terminal; 130. a second terminal; 200. a housing; 210. radiating convex strips; 220. a positioning sleeve; 221. a first component; 2211. a first positioning groove; 2212. a second positioning groove; 222. a second component; 2221. a receiving chamber; 2222. a positioning block; 300. a seal ring; 400. a film core; 401. a first metal contact terminal; 402. a second metal contact terminal; 403. a first dielectric film; 404. a second dielectric film; 405. a first electrode; 406. a second electrode; 407. a first port; 408. a second port; 409. a protective layer; 410. and (5) encapsulating the coating.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The present utility model discloses a thin film capacitor, and specific embodiments of the utility model are further described below in connection with preferred embodiments.
In embodiments of the present utility model, those skilled in the art will note that the media and the like to which the present utility model relates may be regarded as prior art.
Preferred embodiments.
As shown in fig. 1 to 6, the present utility model discloses a film capacitor, comprising an (explosion-proof) end cap 100, a housing 200 and a film core 400, wherein the end cap 100 is fixedly mounted on the housing 200, and a sealing ring 300 (waterproof and moisture-proof) is provided at the mounting connection of the end cap 100 and the housing 200, wherein:
the end cover 100 comprises a body 110, a first terminal 120 and a second terminal 130, wherein a first partition 111 is arranged on one side of the body 110 away from the shell 200, a first mounting area 112 is arranged on one side of the first partition 111, a second mounting area 113 is arranged on the other side of the first partition 111, the first terminal 120 is mounted on the first mounting area 112, the second terminal 130 is mounted on the second mounting area 113, a second partition 114 is arranged on one side of the body 110 close to the shell 200, a third mounting area 115 is arranged on one side of the second partition 114, a fourth mounting area 116 is arranged on the other side of the second partition 114, and a first extension column 1141 and a second extension column 1142 are arranged on the second partition 114;
the outer surface of the housing 200 is provided with a heat dissipating raised line 210 (which is good for heat dissipation and high temperature resistance, and can still continue to operate at high temperature) and the interior of the housing 200 is provided with a positioning sleeve 220, the positioning sleeve 220 comprises a first component 221 and a second component 222 which are integrally formed, the first component 221 is positioned at one side close to the body 110, the second component 222 is positioned at one side of the first component 221 away from the body 110, the first component 221 is provided with a first positioning groove 2211 and a second positioning groove 2212, the first extending column 1141 is inserted into the first positioning groove 2211 and the second extending column 1142 is inserted into the second positioning groove 2212 (so that the positioning sleeve is used for limiting and stabilizing the position of the end cover at the housing, loosening and rotation are not easy to occur, and the positioning sleeve is also good for limiting the film core 400 which is arranged inside the housing at a preset position);
specifically, the film core 400 includes a first metal contact end 401, a second metal contact end 402, a first dielectric film 403, a second dielectric film 404, a first electrode 405 and a second electrode 406, where the first electrode 405, the first dielectric film 403, the second electrode 406 and the second dielectric film 404 are sequentially and periodically arranged between the first metal contact end 401 and the second metal contact end 402, a first port 407 is closely attached to a side of the first metal contact end 401 away from the second metal contact end 402, and a second port 408 is closely attached to a side of the second metal contact end 402 away from the first metal contact end 401, and the first port 407 is electrically connected to the first terminal 120 and the second port 408 is electrically connected to the second terminal 130.
Specifically, the first mounting area 112 is provided with a first mounting block 1121, a second mounting block 1122, and a third mounting block 1123, wherein:
the first mounting block 1121 is tightly attached to one side of the first partition 111, a distance is provided between the second mounting block 1122 and the third mounting block 1123 and the first mounting block 1121, and the first terminal 120 is mounted in a mounting area formed by the first mounting block 1121, the second mounting block 1122 and the third mounting block 1123 (four corners of the first terminal are all fixed in a limiting manner, so that the first terminal is mounted on the body more stably).
More specifically, the second mounting area 113 is provided with a fourth mounting block 1131, a fifth mounting block 1132 and a sixth mounting block 1133, wherein:
the fourth mounting block 1131 is tightly attached to the other side (the side far away from the first mounting block) of the first partition 111, a distance is provided between the fifth mounting block 1132 and the sixth mounting block 1133 and the fourth mounting block 1131, and the second terminal 130 is mounted in a mounting area formed by the fourth mounting block 1131, the fifth mounting block 1132 and the sixth mounting block 1133 (the four corners of the second terminal are all limited and fixed, so that the second terminal is mounted on the body more stably).
Further, the first mounting area 112 and the third mounting area 115 are communicated 117 through a first through hole, and the second mounting area 113 and the fourth mounting area 116 are communicated 118 through a second through hole (which facilitates wiring connection, so that the first terminal and the second terminal are connected with the first port and the second port of the film core inside the housing).
Furthermore, the positioning sleeve 220 is provided with a receiving cavity 2221 facing away from the end cover (the direction of the receiving cavity is opposite to the direction of the opening of the housing, so that the film core is limited to be positioned inside the housing up and down, and loosening is not easy to occur, thereby improving the quality).
Preferably, a plurality of positioning blocks 2222 are provided in the second assembly 222 (the built-in film core is compacted and positioned by the positioning blocks, so that the film core is not easy to loose).
Preferably, one end of the first electrode 405 and one end (on the same side as the first electrode) of the first dielectric film 403 are respectively embedded in the first metal contact end 401, a distance is provided between the other end of the first electrode 405 and the second metal contact end 402, and the other end of the first dielectric film 403 is closely attached to the second metal contact end 402;
one end of the second electrode 406 and one end (opposite to the first electrode) of the second dielectric film 404 are respectively embedded in the second metal contact end 402, a distance is provided between the other end of the second electrode 406 and the first metal contact end 401, and the other end of the second dielectric film 404 is tightly attached to the first metal contact end 401.
Preferably, a protective layer 409 is further disposed between the first metal contact end 401 and the second metal contact end 402, and an encapsulation coating 410 is disposed around the first terminal 407, the second terminal 408, the first metal contact end 401, the second metal contact end 402, and the protective layer 409.
It should be noted that technical features such as media related to the present application should be considered as the prior art, and specific structures, working principles, and control manners and spatial arrangements related to the technical features may be conventional in the art, and should not be considered as the point of the present application, which is not further specifically described in detail herein.
Modifications of the embodiments described above, or equivalents of some of the features may be made by those skilled in the art, and any modifications, equivalents, improvements or etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Claims (8)
1. The utility model provides a film capacitor, its characterized in that includes end cover, shell and film core, end cover fixed mounting in the shell and the end cover with the installation junction of shell is equipped with the sealing washer, the film core is built-in the shell, wherein:
the end cover comprises a body, a first terminal and a second terminal, wherein a first partition board is arranged on one side, far away from the shell, of the body, a first installation area is arranged on one side of the first partition board, a second installation area is arranged on the other side of the first partition board, the first terminal is installed in the first installation area, the second terminal is installed in the second installation area, a second partition board is arranged on one side, close to the shell, of the body, a third installation area is arranged on one side of the second partition board, a fourth installation area is arranged on the other side of the second partition board, and a first extension column and a second extension column are arranged on the second partition board;
the outer surface of the shell is provided with a heat radiation convex strip, the inside of the shell is provided with a positioning sleeve, the positioning sleeve comprises a first component and a second component which are integrally formed, the first component is positioned at one side close to the body, the second component is positioned at one side, far away from the body, of the first component, the first component is provided with a first positioning groove and a second positioning groove, and the first extension column is inserted into the first positioning groove and the second extension column is inserted into the second positioning groove;
the film core comprises a first metal contact end, a second metal contact end, a first medium film, a second medium film, a first electrode and a second electrode, wherein the first electrode, the first medium film, the second electrode and the second medium film are sequentially and periodically arranged between the first metal contact end and the second metal contact end, a first port is tightly adhered to one side, far away from the second metal contact end, of the first metal contact end, a second port is tightly adhered to one side, far away from the first metal contact end, of the second metal contact end, the first port is electrically connected with the first terminal, and the second port is electrically connected with the second terminal.
2. The film capacitor of claim 1, wherein the first mounting area is provided with a first mounting block, a second mounting block, and a third mounting block, wherein:
the first mounting block is clung to one side of the first partition board, a distance is arranged between the second mounting block and the third mounting block and the first mounting block respectively, and the first terminal is mounted in a mounting area formed by the first mounting block, the second mounting block and the third mounting block.
3. The film capacitor of claim 2, wherein the second mounting area is provided with a fourth mounting block, a fifth mounting block, and a sixth mounting block, wherein:
the fourth mounting block is clung to the other side of the first partition board, a distance is arranged between the fifth mounting block and the sixth mounting block and the fourth mounting block respectively, and the second terminal is mounted in a mounting area formed by the fourth mounting block, the fifth mounting block and the sixth mounting block.
4. A film capacitor according to claim 3, wherein said first mounting region and said third mounting region are in communication via a first through hole, and said second mounting region and said fourth mounting region are in communication via a second through hole.
5. A film capacitor according to claim 4, wherein the positioning sleeve is provided with a receiving cavity facing away from the end cap.
6. The thin film capacitor of claim 5, wherein a plurality of positioning blocks are provided inside the second component.
7. The thin film capacitor of claim 6, wherein one end of the first electrode and one end of the first dielectric thin film are respectively embedded in the first metal contact end, a distance is arranged between the other end of the first electrode and the second metal contact end, and the other end of the first dielectric thin film is closely attached to the second metal contact end;
one end of the second electrode and one end of the second dielectric film are respectively embedded in the second metal contact end, a distance is arranged between the other end of the second electrode and the first metal contact end, and the other end of the second dielectric film is tightly attached to the first metal contact end.
8. The thin film capacitor of claim 7, wherein a protective layer is further disposed between the first metal contact and the second metal contact, and wherein an encapsulation coating is disposed around the first terminal, the second terminal, the first metal contact, the second metal contact, and the protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223513053.2U CN219418788U (en) | 2022-12-26 | 2022-12-26 | Film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223513053.2U CN219418788U (en) | 2022-12-26 | 2022-12-26 | Film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219418788U true CN219418788U (en) | 2023-07-25 |
Family
ID=87205537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223513053.2U Active CN219418788U (en) | 2022-12-26 | 2022-12-26 | Film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219418788U (en) |
-
2022
- 2022-12-26 CN CN202223513053.2U patent/CN219418788U/en active Active
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