CN112908701A - Laminated bonding type bus terminal board of aluminum electrolytic capacitor module - Google Patents
Laminated bonding type bus terminal board of aluminum electrolytic capacitor module Download PDFInfo
- Publication number
- CN112908701A CN112908701A CN202110195101.9A CN202110195101A CN112908701A CN 112908701 A CN112908701 A CN 112908701A CN 202110195101 A CN202110195101 A CN 202110195101A CN 112908701 A CN112908701 A CN 112908701A
- Authority
- CN
- China
- Prior art keywords
- aluminum electrolytic
- electrolytic capacitor
- capacitor module
- laminated
- conductive copper
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 66
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 65
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000002950 deficient Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/28—Terminal boards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention provides an overall design of a laminated and bonded bus terminal board of an aluminum electrolytic capacitor module, which comprises a conductive copper bar, insulating paper and an injection molding structural part, and specifically comprises the following steps: the internal vertical small-sized aluminum electrolytic capacitor in the aluminum electrolytic capacitor module forms a series, parallel or multistage series-parallel circuit conductive copper bar structure, each conductive copper bar is isolated and insulated by insulating paper, two sides of the exterior of a conductive copper bar structure body are laminated and coated by injection molding structural parts, all the conductive copper bar structures are integrated and independent bus terminal blocks in a bonding mode, and the bus terminal blocks are integrally designed and manufactured in a laminated bonding mode, so that the number of parts manufactured by the aluminum electrolytic capacitor module is reduced; the number of defective products in the manufacturing process of the product is reduced, the insulation manufacturing process of the aluminum electrolytic capacitor module is simplified, and the manufacturing time of the aluminum electrolytic capacitor module is shortened; the use safety and the insulation reliability of the aluminum electrolytic capacitor module product are improved.
Description
The technical field is as follows:
the invention relates to an integrated structure mode of an aluminum electrolytic capacitor module, in particular to an integrated structure mode for designing and manufacturing a plurality of combined parts of positive and negative electrode copper bars and insulating paper of the aluminum electrolytic capacitor integrated module into independent integral parts.
Background art:
generally, aluminum electrolytic capacitors are discrete structures, including lead wires, soldering lugs, bolts and other leading-out products, and users need to perform series-parallel connection combination on the products, integrate various performance parameters to adapt to indexes of the products such as voltage, power, ripple current, correction frequency, temperature coefficient and the like, so that the capacitor combination is formed and applied to industrial equipment and various electronic products.
The discrete aluminum electrolytic capacitor is integrated into the integral aluminum electrolytic capacitor module, so that the heat dissipation capability can be enhanced, and the electrical performance can be optimized, for example, the product of the small aluminum electrolytic capacitor integrated module disclosed in patent application 202011082745.9 or 202011082897.9, the ripple current capability, the high-frequency characteristic, the long service life and the like are greatly improved.
In the process of manufacturing the aluminum electrolytic capacitor module product, the positive electrode lead wire, the negative electrode lead wire or the soldering lug terminal of all the discrete aluminum electrolytic capacitors and the positive electrode conductive copper bar and the negative electrode conductive copper bar of the aluminum electrolytic capacitor module need to be precisely electrically connected and welded, insulation safety needs to be made between the positive electrode conductive copper bar and the negative electrode conductive copper bar of the aluminum electrolytic capacitor module, and the positive electrode conductive copper bar and the negative electrode conductive copper bar need to be close to each other as much as possible for reducing inductance due to the close distance between the positive electrode and the negative electrode of the small aluminum electrolytic capacitor, so that the manufacturing; the process insulation difficulty is high; the quality consistency is poor; the use failure rate is high.
Therefore, a process design with high reliability needs to be adopted to avoid the above problems and improve the quality.
The invention content is as follows:
the invention provides an overall design of a laminated and bonded bus terminal board of an aluminum electrolytic capacitor module, which comprises a conductive copper bar, insulating paper and an injection molding structural part, and specifically comprises the following steps: the aluminum electrolytic capacitor module is internally divided into small aluminum electrolytic capacitors which form conductive copper bars of a series, parallel or multi-stage series-parallel circuit structure, the conductive copper bars are isolated and insulated by insulating paper, the outer sides of the conductive copper bars are integrally laminated and coated by injection molding structural parts, all functional structural parts form an integral laminated bus terminal board in a bonding mode, and the injection molding structural parts are bonded and kept away at the welding positions of positive and negative electrode leads or soldering lugs and the conductive copper bars of the discrete aluminum electrolytic capacitors and the external electric connection terminal positions of the aluminum electrolytic capacitor module; welding position clearance of a voltage-sharing resistor or other circuit necessary components can be arranged on the laminated bonding type bus terminal board injection molding body structural member of the multistage series-parallel circuit structure; the laminated and bonded bus terminal board can be adaptively changed in shape according to the structural shape of the aluminum electrolytic capacitor module and the installation position, angle, distance and the like of the electric connection terminal.
Before the aluminum electrolytic capacitor module is integrally manufactured, complex processes which need to be combined and manufactured on site by multiple parts are integrated and manufactured into an integral laminated bonding type bus terminal board part in advance, so that the number of parts manufactured on site by the aluminum electrolytic capacitor module is reduced; the yield in the manufacturing process of the product is improved, the insulation manufacturing process of the aluminum electrolytic capacitor module on the manufacturing site is simplified, and the manufacturing time of the aluminum electrolytic capacitor module is shortened; the use safety and the insulation reliability of the aluminum electrolytic capacitor module product are improved.
Description of the drawings:
the above and other features of the present invention will be presented in the following description with reference to the accompanying drawings;
FIG. 1: the schematic diagram of the structural installation of the aluminum electrolytic capacitor module adopting the discrete conductive copper bar and the insulating paper is shown;
FIG. 2: the installation schematic diagram of the aluminum electrolytic capacitor module structure adopting the integral laminated bonding type bus terminal board;
the figures in the drawings represent the following:
1-outer side cover
11-case cover terminal guard board
2-positive electrode bus bar
21-upper positive electrode bus bar
211-upper positive bus bar terminal
22-lower positive electrode busbar
221-lower positive bus bar terminal
3-negative electrode bus bar
31-upper negative electrode bus bar
311-upper negative electrode bus bar terminal
32-lower negative electrode bus bar
321-lower negative electrode bus bar terminal
4-insulating paper
5-limiting groove rack
51-spacing groove frame terminal guard board
6-discrete aluminum electrolytic capacitor
61-discrete lead wire of aluminum electrolytic capacitor
7-aluminium electrolytic capacitor module
8-laminated adhesive type integral bus terminal board
Terminal leading-out board of 81-bus terminal board
82-injection molding body structural part vacancy avoidance position
83-laminated bonding type bus terminal board injection molding body structural part
9-insulating paster
The specific implementation mode is as follows:
preferred embodiments of the following:
the present invention will be described in further detail with reference to the following detailed description and accompanying drawings. In the following embodiments, numerous details are set forth in order to provide a better understanding of the present invention. However, those skilled in the art will readily recognize that some of the features may be replaced or omitted by other materials, methods, or the like in various circumstances. In some cases, related operations are not shown or described in the specification, so as to avoid obscuring the core of the present application from excessive description, and to enable those skilled in the art to fully understand the related operations from the description in the specification and the general knowledge in the art.
The following are preferred embodiments:
referring to fig. 1, an aluminum electrolytic capacitor module with a cellular structure is formed by discrete conductive copper bars and insulating paper, wherein an upper negative busbar 31 and a lower negative busbar 32 are firstly placed in a limiting cell frame 5 and are respectively and electrically connected with leads 61 corresponding to the discrete aluminum electrolytic capacitors 6 in a welding manner, an outgoing terminal 311 of the upper negative busbar 31 and an outgoing terminal 321 of the lower negative busbar 32 extend out along a limiting cell frame outgoing terminal guard plate 51 towards the outer side of the aluminum electrolytic capacitor module, then the insulating paper 4 is placed in the limiting cell frame 5, an upper positive busbar 21 and a lower positive busbar 22 are then placed in the limiting cell 5 and are respectively and electrically connected with the leads 61 corresponding to the discrete aluminum electrolytic capacitors 6 in a welding manner, an outgoing terminal 211 of the upper positive busbar 21 and an outgoing terminal 221 of the lower positive busbar 22 extend out along the limiting cell frame outgoing terminal guard plate 51 towards the outer side of the aluminum electrolytic capacitor module and correspond to the outgoing terminal 311 of the upper negative busbar 31 and the outgoing terminal 321 of the lower, and finally, placing the outer shell cover 1 into the limiting groove 5 to ensure external insulation, and correspondingly assembling the shell cover terminal guard plate 11 and the limiting groove frame 5 terminal guard plate 51 to form a complete aluminum electrolytic capacitor module bus and leading-out terminal insulation leading-out structure.
Because the number of parts assembled by the laminated bus terminal of the aluminum electrolytic capacitor module is large, and the surface structures of the parts are complex, particularly, the lead 61 corresponding to the discrete aluminum electrolytic capacitor 6 passes through the through hole of the negative busbar 3 and the through hole of the insulating paper 4 to be precisely welded with the positive busbar 2, the insulation risk can be caused by the error of field operation, and the error rate is high.
As shown in fig. 2, the aluminum electrolytic capacitor module using the integral laminated bonding type bus bar terminal block, the laminated bonding type bus bar terminal block 8 is completely placed in the aluminum electrolytic capacitor without a limit tank rack, the lead 61 of the discrete aluminum electrolytic capacitor 6 is respectively and precisely welded with the welding position clearance 82 of the corresponding laminated bonding type bus bar terminal block 8, the injection molded structural members at the front side and the rear side of the laminated bonding type bus bar terminal block 8 are used for laminating, bonding and coating the positive conductive copper bar 2, the negative conductive copper bar 3 and the insulation value 4 into a whole, ensuring the accuracy of the positions of each part and a through hole, ensuring the reliable insulation safety between the welding positions of the lead 61 of the discrete aluminum electrolytic capacitor 6, and simultaneously ensuring the outward insulation safety of the terminal leading-out plate 81 of the bus bar terminal block of the terminal leading-out extension part among the leading-out. And then, pasting the corresponding position of the insulation paster 9 replacing the outer shell cover 1 to the outer side surface of the laminated adhesive type bus terminal board 8, ensuring the insulation safety of the welding vacancy-avoiding part 82 of the injection molded structural part at the outer side of the laminated adhesive type bus terminal board 8, and completing the assembly welding of the laminated adhesive type bus terminal board of the aluminum electrolytic capacitor module.
The invention has been described above using specific examples, which are only intended to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (8)
1. The laminated bonding type bus terminal board of the aluminum electrolytic capacitor module comprises a conductive copper bar, insulating paper and an injection molding structure member, wherein the conductive copper bar is a conductive copper bar of a serial, parallel or multistage serial-parallel circuit structure formed by discrete aluminum electrolytic capacitors in the aluminum electrolytic capacitor module, the insulating paper is arranged between the conductive copper bars for isolation and insulation, the injection molding structure member is an injection molding insulating material integrally laminated and coated on the outer side of the conductive copper bar, and the conductive copper bar, the insulating paper and the injection molding structure member are laminated and combined to form an integral part in a bonding mode.
2. The laminated and bonded bus bar terminal plate for aluminum electrolytic capacitor module as claimed in claim 1, wherein the insulating paper is any of chemical synthetic films or paper products for insulation.
3. The laminated and bonded bus bar terminal board of the aluminum electrolytic capacitor module as claimed in claim 1, wherein the injection molded structure is bonded to the position of the external electrical connection terminal of the aluminum electrolytic capacitor module and the position of the welding position of the positive and negative electrode leads or the soldering lug of the discrete aluminum electrolytic capacitor and the conductive copper bar for avoiding voids.
4. The laminated and bonded bus bar terminal board of the aluminum electrolytic capacitor module as claimed in claim 1, wherein the injection molded structure of the bus bar terminal board with the multi-stage series and parallel circuit structure can be provided with a welding position clearance of a voltage-sharing resistor or other necessary circuit components.
5. The laminated and bonded bus bar terminal block for an aluminum electrolytic capacitor module according to claim 1, wherein the laminated and bonded bus bar terminal block can be changed in shape according to the structure, shape, and mounting position, angle, distance, etc. of the electrical connection terminal of the aluminum electrolytic capacitor module.
6. The laminated and bonded bus bar terminal block for an aluminum electrolytic capacitor module as claimed in claim 1, wherein one laminated and bonded bus bar terminal block has one or more sets of positive and negative electrode bus circuits.
7. The laminated and bonded bus bar terminal board of the aluminum electrolytic capacitor module as claimed in claim 1, wherein the outer shell cover and part or all of the inner limiting slot plates of the aluminum electrolytic capacitor module can be eliminated by additionally arranging limiting slot plates on the surface of the injection molded structure of the bus bar terminal board, so that the aluminum electrolytic capacitor module can be directly welded with the limiting clamp of the discrete aluminum electrolytic capacitor.
8. The laminated and bonded bus bar terminal block of the aluminum electrolytic capacitor module as claimed in claim 1, wherein the injection molded structure of the laminated and bonded bus bar terminal block can be integrally coated with a front laminated sheet and a rear laminated sheet, or can be integrally coated with a plurality of laminated sheets.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195101.9A CN112908701A (en) | 2021-02-19 | 2021-02-19 | Laminated bonding type bus terminal board of aluminum electrolytic capacitor module |
| EP21918122.9A EP4280241A1 (en) | 2021-01-15 | 2021-12-15 | Aluminum electrolytic capacitor integrated module |
| PCT/CN2021/138356 WO2022151899A1 (en) | 2021-01-15 | 2021-12-15 | Aluminum electrolytic capacitor integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195101.9A CN112908701A (en) | 2021-02-19 | 2021-02-19 | Laminated bonding type bus terminal board of aluminum electrolytic capacitor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112908701A true CN112908701A (en) | 2021-06-04 |
Family
ID=76124259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110195101.9A Pending CN112908701A (en) | 2021-01-15 | 2021-02-19 | Laminated bonding type bus terminal board of aluminum electrolytic capacitor module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112908701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151899A1 (en) * | 2021-01-15 | 2022-07-21 | 周旺龙 | Aluminum electrolytic capacitor integrated module |
-
2021
- 2021-02-19 CN CN202110195101.9A patent/CN112908701A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151899A1 (en) * | 2021-01-15 | 2022-07-21 | 周旺龙 | Aluminum electrolytic capacitor integrated module |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room B306, Dalai Apartment, Phase 1, Shajing Xinqiao Auto Parts City, Bao'an District, Shenzhen City, Guangdong Province, 518125 Applicant after: Zhou Wanglong Address before: 518125 1st floor, 323 East Ring Road, Shajing Xinqiao street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Zhou Wanglong |
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