CN218676803U - High-temperature-resistant long-life large-scale aluminum electrolytic capacitor - Google Patents
High-temperature-resistant long-life large-scale aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN218676803U CN218676803U CN202223118180.2U CN202223118180U CN218676803U CN 218676803 U CN218676803 U CN 218676803U CN 202223118180 U CN202223118180 U CN 202223118180U CN 218676803 U CN218676803 U CN 218676803U
- Authority
- CN
- China
- Prior art keywords
- terminal
- aluminum
- anode
- cathode
- foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a high temperature resistant and long-life large-scale aluminum electrolytic capacitor, which belongs to the technical field of aluminum electrolytic capacitors and comprises an aluminum shell, a prime element, an anode terminal and a cathode terminal, wherein a top cover is arranged at the top of the aluminum shell, the prime element is arranged inside the aluminum shell, the bottom of the prime element is provided with the anode terminal and the cathode terminal, and the anode terminal and the cathode terminal penetrate through to the bottom of the aluminum shell; according to the technical scheme, the disc, the fixing bolt and the contact terminal structure are arranged at the bottom ends of the anode terminal and the cathode terminal, when the anode terminal and the cathode terminal are correspondingly connected with the anode and the cathode of the external component, the contact terminal can be directly jacked on the anode and the cathode of the external component, the fixing bolt on the disc is screwed into the external component to be fixed, corresponding connection of the anode terminal and the cathode terminal with the anode and the cathode of the external component is achieved, the traditional welding connection mode is replaced, and the large aluminum electrolytic capacitor is more convenient to mount and dismount with the external component through the mode.
Description
Technical Field
The utility model relates to an aluminum electrolytic capacitor technical field, more specifically say, relate to a high temperature resistant, long-life large-scale aluminum electrolytic capacitor.
Background
The aluminum electrolytic capacitor is a general electrolytic capacitor which is made of aluminum materials and has good electrical performance, wide application range and high reliability, and is mainly divided into elements, aluminum shells and terminals, wherein the application number is CN202022755039.8, the aluminum electrolytic capacitor cover plate and the aluminum electrolytic capacitor are disclosed, the problem that a large-capacity capacitor in the prior art needs a lead frame is solved, each capacitor unit comprises an insulating part, the capacitor structure is complex, and various defects which are not beneficial to integrated installation are solved, and further retrieval shows that the aluminum electrolytic capacitor disclosed by the application number of CN 2020227953.2 has a pressure-resistant aluminum electrolytic capacitor which is arranged through a specific technical structure, so that the internal structure of the aluminum electrolytic capacitor is simple and the aluminum electrolytic capacity of the aluminum capacitor is low, so that the aluminum electrolytic capacitor is easy to damage when being extruded, and technical defects such as incapability are caused, but the aluminum electrolytic capacitor with a similar structure has defects when being actually used, such as: it can produce high temperature when using, and the heat-sinking capability of outside aluminum hull is limited to cause large-scale aluminum electrolytic capacitor to appear overheated phenomenon very easily, thereby can great shortening large-scale aluminum electrolytic capacitor's life, simultaneously, large-scale aluminum electrolytic capacitor's installation generally is direct to correspond welded fastening with the positive and negative of terminal and external component, and this kind of mounting means is convenient inadequately, and also difficult the change of taking off after damaging in addition. In view of this, we propose a large-scale aluminum electrolytic capacitor with high temperature resistance and long service life.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model aims to provide a large-scale aluminum electrolytic capacitor with high temperature resistance and long service life, which aims to solve the problems in the prior art.
2. Technical scheme
A high-temperature-resistant and long-service-life large aluminum electrolytic capacitor comprises an aluminum shell, an element, an anode terminal and a cathode terminal, wherein a top cover is installed at the top of the aluminum shell, the element is installed inside the aluminum shell, the bottom of the element is provided with the anode terminal and the cathode terminal, and the anode terminal and the cathode terminal penetrate through the bottom of the aluminum shell;
an aluminum shell is welded on the outer side of the aluminum shell, cooling liquid is filled in the aluminum shell, and heat dissipation fins are welded on the surface of the aluminum shell and have concave-convex surfaces;
the bottom of positive pole terminal and negative pole terminal all welds there is contact terminal, and contact terminal's a week welding has the disc, and the fixing bolt of at least two sets of equidistance is installed to a week of disc.
As an alternative solution of the technical solution of the present application, the element includes a first electrolytic paper, a cathode foil, a second electrolytic paper and an anode foil, and the anode terminal is fixedly connected to the anode foil, and the cathode terminal is electrically connected to the cathode foil, and the anode terminal and the cathode terminal are installed in a staggered manner.
As an alternative of this application technical scheme, first electrolytic paper, cathode foil, second electrolytic paper and positive pole foil laminating are in the same place, the outside of positive pole foil is second electrolytic paper, and the outside of second electrolytic paper is the cathode foil, the outside of cathode foil is first electrolytic paper, and first electrolytic paper, cathode foil, second electrolytic paper and positive pole foil roll-up coiling.
As an alternative of the technical scheme of the application, the surface of the anode foil is concave-convex, and the surface of the anode foil is oxidized.
As an alternative scheme of the technical scheme, one side of the top of the aluminum shell is provided with a top opening, and the top of the top opening is provided with a sealing cover.
As an alternative scheme of the technical scheme of the application, the bottom of the aluminum shell is provided with through holes at positions corresponding to the anode terminal and the cathode terminal, and sealing rubber rings are arranged inside the through holes.
As an alternative scheme of this application technical scheme, the uncovered screw thread mouth that is equipped with in aluminum hull top, and the interior bottom of screw thread mouth is equipped with seal ring, the bottom of top cap is equipped with the welding piece.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
1. this application technical scheme can improve large-scale aluminum electrolytic capacitor's rate of heat dissipation through setting up aluminum hull and the cooling fin in the aluminum hull outside, the inside coolant liquid that fills of aluminum hull, work as large-scale aluminum electrolytic capacitor produces high temperature, high temperature transmits the inside coolant liquid of aluminum hull through the aluminum hull, the temperature absorbs for the coolant liquid, thereby reach the effect of quick cooling, and follow-up heat also can transmit its surperficial cooling fin through the aluminum hull, cooling fin gives off the heat to the external world fast, further improve large-scale aluminum electrolytic capacitor's rate of heat dissipation, consequently, can greatly avoid large-scale aluminum electrolytic capacitor to appear overheat phenomenon, make large-scale aluminum electrolytic capacitor possess high temperature resistant effect, can effectual extension large-scale aluminum electrolytic capacitor's life.
2. According to the technical scheme, the disc, the fixing bolt and the contact terminal structure are arranged at the bottom ends of the anode terminal and the cathode terminal, when the anode terminal and the cathode terminal are correspondingly connected with the anode and the cathode of the external component, the contact terminal can be directly jacked on the anode and the cathode of the external component, the fixing bolt on the disc is screwed into the external component to be fixed, corresponding connection of the anode terminal and the cathode terminal with the anode and the cathode of the external component is achieved, the traditional welding connection mode is replaced, and the large aluminum electrolytic capacitor is more convenient to mount and dismount with the external component through the mode.
Drawings
FIG. 1 is a front view of a large high temperature resistant, long life aluminum electrolytic capacitor as disclosed in an embodiment of the present application;
FIG. 2 is a front cross-sectional view of a large high temperature resistant, long life aluminum electrolytic capacitor as disclosed in an example of the present application;
FIG. 3 is a schematic diagram of the structure of a large aluminum electrolytic capacitor with high temperature resistance and long service life disclosed in the examples of the present application;
fig. 4 is an enlarged structural view of a part a of a large aluminum electrolytic capacitor having high temperature resistance and long life disclosed in the example of the present application.
The reference numbers in the figures illustrate: 1. an aluminum shell; 101. a threaded opening; 102. a sealing gasket; 103. perforating; 104. sealing the rubber ring; 2. a top cover; 201. welding the blocks; 3. a prime; 301. a first electrolytic paper; 302. a cathode foil; 303. a second electrolytic paper; 304. an anode foil; 4. an anode terminal; 5. a cathode terminal; 6. a disc; 601. fixing the bolt; 602. a contact terminal; 7. an aluminum housing; 701. heat dissipation fins; 702. a top opening; 703. and (7) sealing the cover.
Detailed Description
The utility model provides a technical scheme:
as shown in fig. 1, 2, 3 and 4, a large aluminum electrolytic capacitor with high temperature resistance and long service life comprises an aluminum shell 1, an element 3, an anode terminal 4 and a cathode terminal 5, wherein the element 3 is used as a capacitor assembly, the anode terminal 4 is used as an anode, the cathode terminal 5 is used as a cathode, the aluminum shell 1 is used as a shell and has good heat dissipation performance, a top cover 2 is installed at the top of the aluminum shell 1, a threaded opening 101 is formed in the top of the aluminum shell 1, a sealing gasket 102 is arranged at the inner bottom of the threaded opening 101, a welding block 201 is arranged at the bottom of the top cover 2, the welding block 201 and the bottom of the aluminum shell are both circular, a thread is arranged outside the welding block 201, the welding block 201 at the bottom of the top cover 2 is screwed into the threaded opening 101 at the top of the aluminum shell 1, so as to seal the opening of the aluminum shell 1, the sealing gasket 102 ensures the sealing performance of the top cover 2 for the opening of the shell 1, the element 3 is installed inside the aluminum shell 1, an anode terminal 4 and a cathode terminal 5 are arranged at the bottom of the element 3, the anode terminal 4 and the cathode terminal 5 penetrate through the bottom of the aluminum shell 1, the element 3 is soaked in electrolyte, then the electrolyte is placed into the aluminum shell 1 from the top opening of the aluminum shell 1, then the top cover 2 is screwed on to seal the aluminum shell 1, at the moment, the anode terminal 4 and the cathode terminal 5 are correspondingly connected with the positive and negative electrodes of an external component, so that a large-scale aluminum electrolytic capacitor is formed, a through hole 103 is arranged at the position of the bottom of the aluminum shell 1 corresponding to the anode terminal 4 and the cathode terminal 5, the through hole 103 facilitates the anode terminal 4 and the cathode terminal 5 to penetrate through the aluminum shell 1, a sealing rubber ring 104 is arranged inside the through hole 103, the sealing rubber ring 104 ensures the sealing performance of the anode terminal 4 and the cathode terminal 5 penetrating through the aluminum shell 1, the element 3 comprises first electrolytic paper 301, a cathode foil 302, a second electrolytic paper 303 and an anode foil 304, after the element 3 is soaked in the electrolyte, the electrolyte is present among the first electrolytic paper 301, the cathode foil 302, the second electrolytic paper 303 and the anode foil 304, the anode terminal 4 is fixedly connected with the anode foil 304, the cathode terminal 5 is electrically connected with the cathode foil 302, the anode terminal 4 and the cathode terminal 5 are installed in a staggered manner, the first electrolytic paper 301, the cathode foil 302, the second electrolytic paper 303 and the anode foil 304 are adhered together, the second electrolytic paper 303 is arranged outside the anode foil 304, the cathode foil 302 is arranged outside the second electrolytic paper 303, the first electrolytic paper 301 is arranged outside the cathode foil 302, the first electrolytic paper 301, the cathode foil 302, the second electrolytic paper 303 and the anode foil 304 are wound into a roll, the surface of the anode foil 304 is concave-convex, the surface of the anode foil 304 is oxidized, and the anode foil 304 is used as a positive conductive electrode plate, the electrolyte and the cathode foil 302 form a cathode conductive plate, the surface of the anode foil 304 is oxidized to form an alumina film and an alumina insulating layer, the alumina film is compact, the thickness of the oxide layer is in direct proportion to the withstand voltage, the higher the withstand voltage value is, the greater the thickness requirement of the oxide film is, the anode foil 304 forming the oxide film is a metal with rectification property in the electrolyte, the electrolyte is an ion conductive liquid and is a true cathode which is directly contacted with the alumina of the insulating layer, the electrolyte has the advantage of no pores and can be fully contacted with an intermediate medium as one polar plate of a capacitor, and the first electrolytic paper 301 and the second electrolytic paper 303 mainly play a role in balancing the distribution of the electrolyte and keeping the cathode foil 302 and the anode foil 304 spaced;
in this embodiment, the large-scale aluminum electrolytic capacitor is formed by immersing the element 3 in the electrolyte, placing the element into the aluminum case 1 from the top of the aluminum case 1, screwing the top cover 2 to seal the aluminum case 1, and connecting the anode terminal 4 and the cathode terminal 5 to the anode and the cathode of the external component through the bottom of the aluminum case 1, so as to form the large-scale aluminum electrolytic capacitor, wherein the anode terminal 4 and the cathode terminal 5 are used as the anode and the cathode to be correspondingly connected to the anode and the cathode of the external component, and the large-scale aluminum electrolytic capacitor can be used in cooperation with the external component.
As shown in fig. 1 and 2, an aluminum shell 7 is welded on the outer side of an aluminum shell 1, the aluminum shell 1 penetrates through the center of the aluminum shell 7, a top opening 702 is formed in one side of the top of the aluminum shell 7, the top opening 702 facilitates a person to fill cooling liquid into the aluminum shell 7, a sealing cover 703 is installed on the top of the top opening 702, the sealing cover 703 is screwed on the top opening 702 through a threaded structure for sealing, the cooling liquid is filled in the aluminum shell 7, the cooling liquid can absorb heat generated during the operation of a large aluminum electrolytic capacitor, and has an effect of quickly cooling, a heat dissipation fin 701 is welded on the surface of the aluminum shell 7, subsequent heat can be transferred to a heat dissipation fin 701 on the surface through the aluminum shell 7, the heat dissipation fin 701 quickly dissipates the heat to the outside, the surface of the heat dissipation fin 701 is concave-convex, the surface area of the concave-convex heat dissipation fin 701 is large, and the heat dissipation efficiency of the heat dissipation fin 701 can be improved;
in this embodiment, when large-scale aluminum electrolytic capacitor during operation, large-scale aluminum electrolytic capacitor during operation can be absorbed to the inside coolant liquid of aluminum casing 7, play rapid cooling's effect, follow-up heat also can transmit the radiating fin 701 on its surface through aluminum casing 7, radiating fin 701 gives off the heat to the external world fast, large-scale aluminum electrolytic capacitor's rate of heat dissipation is further improved, consequently, large-scale aluminum electrolytic capacitor can greatly be avoided overheating phenomenon to appear, make large-scale aluminum electrolytic capacitor possess high temperature resistant effect, can effectual extension large-scale aluminum electrolytic capacitor's life.
As shown in fig. 2 and 4, the bottom ends of the anode terminal 4 and the cathode terminal 5 are welded with contact terminals 602, the contact terminals 602 are made of metal with good conductivity, a circle of the contact terminals 602 is welded with a disc 6, and at least two sets of equidistant fixing bolts 601 are installed on a circle of the disc 6
In this embodiment, when the anode terminal 4 and the cathode terminal 5 are connected and mounted with the positive electrode and the negative electrode of the external component, the contact terminal 602 can be directly pushed against the positive electrode and the negative electrode of the external component, and the fixing bolt 601 on the disk 6 is screwed into the external component for fixing, so that the corresponding connection between the anode terminal 4 and the cathode terminal 5 and the positive electrode and the negative electrode of the external component is realized, the traditional welding connection mode is replaced, and the large-scale aluminum electrolytic capacitor is more convenient to mount and dismount with the external component through the mode.
Claims (7)
1. The utility model provides a high temperature resistant, long-life large-scale aluminum electrolytic capacitor, includes aluminum hull (1), plain son (3), anode terminal (4) and cathode terminal (5), its characterized in that: the top cover (2) is installed at the top of the aluminum shell (1), the element (3) is installed inside the aluminum shell (1), the bottom of the element (3) is provided with an anode terminal (4) and a cathode terminal (5), and the anode terminal (4) and the cathode terminal (5) penetrate through the bottom of the aluminum shell (1);
an aluminum shell (7) is welded on the outer side of the aluminum shell (1), cooling liquid is filled in the aluminum shell (7), heat dissipation fins (701) are welded on the surface of the aluminum shell (7), and the surfaces of the heat dissipation fins (701) are concave-convex;
contact terminal (602) are all welded to the bottom of positive pole terminal (4) and negative pole terminal (5), and the welding of a week of contact terminal (602) has disc (6), and the fixing bolt (601) of at least two sets of equidistance are installed to a week of disc (6).
2. The large high temperature resistant, long life aluminum electrolytic capacitor of claim 1 wherein: the element (3) comprises first electrolytic paper (301), cathode foil (302), second electrolytic paper (303) and anode foil (304), an anode terminal (4) is fixedly connected with the anode foil (304), a cathode terminal (5) is electrically connected with the cathode foil (302), and the anode terminal (4) and the cathode terminal (5) are installed in a staggered mode.
3. The large high temperature resistant, long life aluminum electrolytic capacitor of claim 2 wherein: first electrolytic paper (301), cathode foil (302), second electrolytic paper (303) and positive pole foil (304) are laminated together, the outside of positive pole foil (304) is second electrolytic paper (303), and the outside of second electrolytic paper (303) is negative pole foil (302), the outside of negative pole foil (302) is first electrolytic paper (301), and first electrolytic paper (301), negative pole foil (302), second electrolytic paper (303) and positive pole foil (304) roll up the volume.
4. The large aluminum electrolytic capacitor of claim 2, which is resistant to high temperature and has a long life, characterized in that: the surface of the anode foil (304) is concave-convex, and the surface of the anode foil (304) is oxidized.
5. The large high temperature resistant, long life aluminum electrolytic capacitor of claim 1 wherein: one side at the top of the aluminum shell (7) is provided with a top opening (702), and the top of the top opening (702) is provided with a sealing cover (703).
6. The large high temperature resistant, long life aluminum electrolytic capacitor of claim 1 wherein: the bottom of the aluminum shell (1) is provided with a through hole (103) at the position corresponding to the anode terminal (4) and the cathode terminal (5), and a sealing rubber ring (104) is arranged inside the through hole (103).
7. The large high temperature resistant, long life aluminum electrolytic capacitor of claim 1 wherein: uncovered screw thread mouth (101) that is equipped with in aluminum hull (1) top, and the interior bottom of screw thread mouth (101) is equipped with seal ring (102), the bottom of top cap (2) is equipped with welding piece (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223118180.2U CN218676803U (en) | 2022-11-23 | 2022-11-23 | High-temperature-resistant long-life large-scale aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223118180.2U CN218676803U (en) | 2022-11-23 | 2022-11-23 | High-temperature-resistant long-life large-scale aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676803U true CN218676803U (en) | 2023-03-21 |
Family
ID=85540564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223118180.2U Active CN218676803U (en) | 2022-11-23 | 2022-11-23 | High-temperature-resistant long-life large-scale aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676803U (en) |
-
2022
- 2022-11-23 CN CN202223118180.2U patent/CN218676803U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206585025U (en) | Cylindrical lithium ion battery with hollow pole | |
| CN202651222U (en) | Cover plate assembly, single battery comprising cover plate assembly and battery pack | |
| CN208797120U (en) | The end face weld battery of excellent heat radiation performance | |
| CN218676803U (en) | High-temperature-resistant long-life large-scale aluminum electrolytic capacitor | |
| CN214152717U (en) | Explosion-proof type ultracapacitor system | |
| CN211376415U (en) | Farad-grade aluminium electrolytic capacitor with improved structure | |
| US20220344107A1 (en) | Electrochemical Energy Storage Device | |
| CN210668613U (en) | Mechanism for quickly radiating battery core | |
| CN212062193U (en) | High-temperature-resistant electrolytic capacitor for vehicle-mounted equipment | |
| CN212783091U (en) | Electrolytic capacitor with heat dissipation structure | |
| CN114447534A (en) | Battery top cap and battery | |
| CN218676804U (en) | High-voltage aluminum electrolytic capacitor | |
| CN209843515U (en) | Bolt type solid-liquid mixed aluminum electrolytic capacitor | |
| CN215731343U (en) | Aluminium electrolytic capacitor for GaN power adapter | |
| CN209785759U (en) | Long-life aluminum electrolytic capacitor | |
| CN218957872U (en) | Power type energy storage device with positive and negative electrode same-side structure | |
| CN213242661U (en) | Lithium cell dispels heat fast | |
| CN212542194U (en) | Film capacitor applied to large current of electric tool | |
| CN219998053U (en) | Thin-layer aluminum electrolytic capacitor | |
| CN110544804A (en) | Mechanism for rapidly radiating heat of battery cell and processing method thereof | |
| CN219393534U (en) | Cover plate structure of lithium ion battery and lithium ion battery | |
| CN218826658U (en) | Vertical paster electric capacity | |
| CN219832429U (en) | Heat dissipation type aluminum electrolytic capacitor | |
| CN216980340U (en) | High-voltage aluminum electrolytic capacitor | |
| CN213042806U (en) | Wide temperature patch type solid capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |