CN203966838U - Self-recovery low-voltage parallel capacitor - Google Patents
Self-recovery low-voltage parallel capacitor Download PDFInfo
- Publication number
- CN203966838U CN203966838U CN201420427193.4U CN201420427193U CN203966838U CN 203966838 U CN203966838 U CN 203966838U CN 201420427193 U CN201420427193 U CN 201420427193U CN 203966838 U CN203966838 U CN 203966838U
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- CN
- China
- Prior art keywords
- explosive
- capacitor
- proof
- end cover
- proof protector
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of self-recovery low-voltage parallel capacitor, comprise capacitor case and cover assembly, in capacitor case, be provided with collets, three capacitor elements, intermediate insulation piece and lower collets; Described cover assembly comprises the upper end cover that is provided with outlet box; three internal wiring ends of outlet box are connected to respectively explosive-proof protector line; be provided with explosion-proof cushion block in upper end cover one side; described explosive-proof protector line is respectively through explosion-proof cushion block; three capacitor element corner connections are between three explosive-proof protector lines; between every two explosive-proof protector lines, be connected to discharge resistance, the component lead of capacitor element and the lead-in wire of discharge resistance and explosive-proof protector wire bonding also make explosion-proof cushion block be close to upper end cover surface.Beneficial effect is: product area of dissipation is large, perfect heat-dissipating, and the heat that can make the meritorious consumption of capacitor produce distributes fast, thereby has improved operational reliability.Can realize overcurrent, excess pressure explosive-proof protector, safe and reliable.Completed knocked down products operation is simple, time saving and energy saving.
Description
Technical field
The utility model relates to a kind of capacitor, particularly a kind of self-recovery low-voltage parallel capacitor.
Background technology
At present, the unfailing performance of the cylindrical self-recovery low-voltage parallel capacitor of domestic production, depends on the meritorious consumption of product itself and the heat dispersion of product; After capacitor key component capacitor element is produced, its meritorious consumption is definite, and the reliability of its product depends on the heat dispersion of product completely, the namely structure of product, product structure rationally, heat dispersion is good, can increase substantially product reliability of operation.Existing product, between capacitor element and shell, all wrapping insulating paper, insulating paper all wraps capacitor element, between the inner each element of insulating paper, is also provided with collets, collets height all, in 30-50mm left and right, also accompanies polypropylene film etc. between some insulating papers.The cylindrical self-recovery low-voltage parallel capacitor of this structure, the non-constant of product heat dispersion, has had a strong impact on the unfailing performance of product.
Summary of the invention
The purpose of this utility model is to provide a kind of rational in infrastructure, and product area of dissipation is large, perfect heat-dissipating, reliable self-recovery low-voltage parallel capacitor.
For achieving the above object, the utility model adopts following technical scheme:
A kind of self-recovery low-voltage parallel capacitor, comprise capacitor case, collets on being from top to bottom provided with successively in capacitor case, three capacitor elements, intermediate insulation piece and lower collets between adjacent two capacitor elements, be provided with cover assembly in capacitor case upper end; Described cover assembly comprises a upper end cover; on upper end cover, be fixed with outlet box; three internal wiring ends of outlet box are connected to respectively explosive-proof protector line; be positioned at capacitor case one side at upper end cover and be provided with explosion-proof cushion block; described explosive-proof protector line is respectively through explosion-proof cushion block; described three capacitor element corner connections are between three explosive-proof protector lines; between every two explosive-proof protector lines, be connected to respectively a discharge resistance, the component lead of capacitor element and the lead-in wire of discharge resistance and explosive-proof protector wire bonding also make explosion-proof cushion block be close to upper end cover surface.
Preferably, the height of described upper and lower collets and intermediate insulation piece is 10-15mm, further to improve radiating effect.
Preferably, described capacitor case and upper end cover are by sealing machine crimping.
Preferably; described outlet box is to be made up of junction block and the protective cover being stuck on junction block; the terminals of described outlet box are positioned on junction block, and junction block is fixed on upper end cover by screwing in the screw of described three internal wiring ends, and described explosive-proof protector line upper end is welded on screw.
Preferably, be provided with groove in explosion-proof cushion block upper surface and be provided with side by side three perforation at groove middle part, described explosive-proof protector line respectively by corresponding perforation through.
Preferably, be fixed with a construction bolt at place of capacitor case bottom center, so that install.
The beneficial effects of the utility model are:
1, this self-recovery low-voltage parallel capacitor has been cancelled the parcel of insulating paper and film in capacitor element outside, effectively increase the naked leakage area between capacitor element and capacitor case, product area of dissipation is large, perfect heat-dissipating, the heat that can make the meritorious consumption of capacitor produce distributes fast, thereby has improved operational reliability.
2, owing to being provided with explosive-proof protector line and explosion-proof cushion block in capacitor case, can realize overcurrent explosive-proof protector by the diameter of controlling explosive-proof protector line, through explosion-proof cushion block, can realize excess pressure explosive-proof protector by explosive-proof protector line, therefore safe and reliable.
3, owing to having cancelled the parcel of insulating paper and film, when completed knocked down products, operation is simple, time saving and energy saving, and packaging efficiency is high.
Brief description of the drawings
Fig. 1 is connection diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the A-A cutaway view of Fig. 1.
In figure: outlet box 1, protective cover 101, junction block 102, explosive-proof protector line 2, explosion-proof cushion block 3, groove 301; upper collets 4, discharge resistance 5, capacitor case 6, intermediate insulation piece 7, capacitor element 8; lower collets 9, construction bolt 10, upper end cover 11, component lead 12, screw 13.
Embodiment
As depicted in figs. 1 and 2, a kind of self-recovery low-voltage parallel capacitor that the utility model is related, comprise barrel-shaped capacitor case 6, in capacitor case 6, be provided with successively collets 4, three capacitor elements 8, intermediate insulation piece 7 and lower collets 9 between adjacent two capacitor elements 8 from top to bottom.Described upper collets 4 and lower collets 9 are the reeded bowl cover shape of one end band, described intermediate insulation piece 7 is provided with the cylindrical shape of symmetrical grooves for two ends, and described three capacitor elements 8 are clamped in respectively between upper collets 4 and intermediate insulation piece 7, two intermediate insulation pieces 7 and intermediate insulation piece 7 and lower collets 9.As preferably, the height of described upper and lower collets and intermediate insulation piece 7 is 10-15mm, further to improve radiating effect.
Be provided with cover assembly in capacitor case 6 upper ends; described cover assembly comprises a upper end cover 11; on upper end cover 11, be fixed with outlet box 1; three internal wiring ends of outlet box 1 are connected to respectively explosive-proof protector line 2; be positioned at capacitor case 6 one sides at upper end cover 11 and be provided with explosion-proof cushion block 3; be provided with circular groove 301 and be provided with side by side three perforation at groove 301 middle parts in explosion-proof cushion block 3 upper surfaces; described explosion-proof cushion block 3 profiles are thin column and on its outer wall, are symmetrily processed with the plane communicating with groove 301, so that the inside and outside isostasy of the groove of explosion-proof cushion block 3.Described explosive-proof protector line 2 respectively by corresponding perforation through explosion-proof cushion block 3, described explosion-proof cushion block 3 is to be made up of insulating material.Described outlet box 1 is to be made up of junction block 102 and the protective cover 101 being stuck on junction block 102; the terminals of described outlet box 1 are positioned on junction block 102; junction block 102 is fixed on upper end cover 11 by screwing in the screw 13 of described three internal wiring ends, and described explosive-proof protector line 2 upper ends are welded on respectively on the nut of corresponding screw 13.On described junction block 102 both sides and protective cover 101, be respectively equipped with draw-in groove and the card edge of matching, to realize clamping.
Described three capacitor element 8 corner connections are between three explosive-proof protector lines 2; three capacitor element 8 head and the tail are connected successively; between every two explosive-proof protector lines 2, be connected to respectively a discharge resistance 5, the component lead 12 of described capacitor element 8 and the two ends of discharge resistance 5 lead-in wire are welded on respectively the lower end of corresponding explosive-proof protector line 2 and make explosion-proof cushion block 3 be close to upper end cover 11 surfaces.
As preferably, described capacitor case 6 seal crimping with upper end cover 11 by sealing machine, and at capacitor case, 6 places of bottom center are fixed with a construction bolt 10, so that installation.
In use procedure, in the time that inflow current is excessive, first explosive-proof protector line 2 is blown, thereby capacitor element 8 is realized to overcurrent explosive-proof protector; In the time that the internal pressure of capacitor case 6 is excessive, can be arched upward in upper end cover 11 middle parts, because explosive-proof protector line 2 lower ends are stuck on explosion-proof cushion block 3 by solder joint, therefore explosive-proof protector line 2 can be broken along with upper end cover 11 arches upward, thereby play excess pressure explosive-proof protector.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (6)
1. a self-recovery low-voltage parallel capacitor, comprise capacitor case, it is characterized in that: in capacitor case, be provided with successively collets, three capacitor elements, intermediate insulation piece and lower collets between adjacent two capacitor elements from top to bottom, be provided with cover assembly in capacitor case upper end; Described cover assembly comprises a upper end cover; on upper end cover, be fixed with outlet box; three internal wiring ends of outlet box are connected to respectively explosive-proof protector line; be positioned at capacitor case one side at upper end cover and be provided with explosion-proof cushion block; described explosive-proof protector line is respectively through explosion-proof cushion block; described three capacitor element corner connections are between three explosive-proof protector lines; between every two explosive-proof protector lines, be connected to respectively a discharge resistance, the component lead of capacitor element and the lead-in wire of discharge resistance and explosive-proof protector wire bonding also make explosion-proof cushion block be close to upper end cover surface.
2. a kind of self-recovery low-voltage parallel capacitor according to claim 1, is characterized in that: the height of described upper and lower collets and intermediate insulation piece is 10-15mm.
3. a kind of self-recovery low-voltage parallel capacitor according to claim 1, is characterized in that: described capacitor case and upper end cover are by sealing machine crimping.
4. a kind of self-recovery low-voltage parallel capacitor according to claim 1; it is characterized in that: described outlet box is to be made up of junction block and the protective cover being stuck on junction block; the terminals of described outlet box are positioned on junction block; junction block is fixed on upper end cover by screwing in the screw of described three internal wiring ends, and described explosive-proof protector line upper end is welded on screw.
5. a kind of self-recovery low-voltage parallel capacitor according to claim 1, is characterized in that: be provided with groove in explosion-proof cushion block upper surface and be provided with side by side three perforation at groove middle part, described explosive-proof protector line respectively by corresponding perforation through.
6. a kind of self-recovery low-voltage parallel capacitor according to claim 1, is characterized in that: be fixed with a construction bolt at place of capacitor case bottom center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427193.4U CN203966838U (en) | 2014-07-30 | 2014-07-30 | Self-recovery low-voltage parallel capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427193.4U CN203966838U (en) | 2014-07-30 | 2014-07-30 | Self-recovery low-voltage parallel capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966838U true CN203966838U (en) | 2014-11-26 |
Family
ID=51927391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427193.4U Expired - Fee Related CN203966838U (en) | 2014-07-30 | 2014-07-30 | Self-recovery low-voltage parallel capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216030A (en) * | 2017-07-04 | 2019-01-15 | 卓英社有限公司 | Composite function clement |
| CN110767458A (en) * | 2019-10-30 | 2020-02-07 | 江苏图腾电气科技有限公司 | Self-healing low-voltage parallel capacitor |
-
2014
- 2014-07-30 CN CN201420427193.4U patent/CN203966838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216030A (en) * | 2017-07-04 | 2019-01-15 | 卓英社有限公司 | Composite function clement |
| CN109216030B (en) * | 2017-07-04 | 2020-09-11 | 卓英社有限公司 | Composite functional element |
| CN110767458A (en) * | 2019-10-30 | 2020-02-07 | 江苏图腾电气科技有限公司 | Self-healing low-voltage parallel capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |