CN101645350B - High-capacity non-explosive capacitor - Google Patents
High-capacity non-explosive capacitor Download PDFInfo
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- CN101645350B CN101645350B CN2009100660636A CN200910066063A CN101645350B CN 101645350 B CN101645350 B CN 101645350B CN 2009100660636 A CN2009100660636 A CN 2009100660636A CN 200910066063 A CN200910066063 A CN 200910066063A CN 101645350 B CN101645350 B CN 101645350B
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Abstract
The invention relates to a high-capacity non-explosive capacitor comprising a core, a cylindrical shell and impregnating liquid filled airtightly between the core and the cylindrical shell, wherein the cylindrical shell above the core is provided with at least two layers of annular concave compression tanks, an upper insulating fixed cover is fixed between the lowest layer of the annular concave compression tank and the core, two conductive poles are respectively arranged in two conductive pole through holes in the upper end surface of the upper insulating fixed cover, the lower end of each conductive pole is electrically connected with a core lead wire, the middle of at least one conductive pole contains a narrow breakable section, the lower end of the conductive pole is provided with an anti-skid mechanism, an insulating cylindrical shell cover is airtightly fixed between the inner hem on the upper edge of the cylindrical shell and the upmost layer of the annular concave compression tank, the end surface penetrating through the insulating cylindrical shell cover is provided with two hollow conductive post heads, and the conductive poles penetrate through the conductive post heads and are airtightly welded with each other by soldering tin. The invention provides a high-capacity non-explosive capacitor having the advantages of high capacity and favorable non-explosive performance.
Description
(1), technical field: the present invention relates to a kind of capacitor, particularly relate to a kind of high-capacity non-explosive capacitor.
(2), background technology: generally be filled with steeping liq in the AC capacitor, mostly these steeping liqs are inflammable, break down as capacitor, and explosion takes place, the maceration extract pollution machinery equipment that can leak, and the danger that waits on fire is arranged.At present, the blast resistance construction of most AC capacitor is: explosion-proof of inner dress plastics, with being arranged between the metal cap, a bit of lead-in wire links to each other, the inner generation expanded during condenser failure, cap is outward bulge slightly, break lead-in wire, electric capacity outage open circuit, reach explosion-proof purpose, this structure is used for the following cylindrical electric capacity of diameter 65mm, because the connecting line between explosion-proof and cap is thinner, the electric current that is passed through is limited, can only be used for the less relatively capacitor of capacity, how find a kind of explosion-proof method of suitable large value capacitor, be a urgent problem.
(3), summary of the invention:
The technical problem to be solved in the present invention is: at the prior art deficiency, provide the high-capacity non-explosive capacitor that a kind of capacity is big, explosion-proof performance is good.
Technical scheme of the present invention:
A kind of high-capacity non-explosive capacitor, contain core body and barrel shell, sealing is filled with steeping liq between core body and the barrel shell, be provided with the recessed compression groove of two-layer at least annular on the barrel shell on be positioned at the core body height, in barrel shell and between recessed compression groove of undermost annular and core body, be fixed with the fixed cap that insulate on, the upper surface of last insulation fixed cap is provided with two conductive pole through holes, be respectively equipped with two vertical conductive poles in two conductive pole through holes, the lower end of two conductive poles is electrically connected with the two ends lead-out wire of core body respectively, narrow easy fracture section is contained at the middle part of at least one conductive pole, the lower end of containing the conductive pole of narrow easy fracture section is provided with anti-skid mechanism, the lower end that the conductive pole of narrow easy fracture section will be contained in anti-skid mechanism is fixed under the conductive pole through hole of insulation fixed cap, the upper edge of barrel shell is interior flanging, sealing and fixing has the insulating cylinder cap in barrel shell and between the annular recessed compression groove of the interior flanging and the superiors, the upper surface that penetrates the insulating cylinder cap is provided with two hollow conductive connectors, two conductive poles pierce in two hollow conductive connectors respectively and the upper end of conductive pole and hollow conductive connector by the scolding tin seal welding together.
Narrow easy fracture section is the cut length that the cutting groove that is oppositely arranged is contained in one section both sides at conductive pole middle part, and conductive pole is the copper post; Anti-skid mechanism is the L shaped horizontal bending of a section of conductive pole lower end, or is one section inverted T-shaped structure of conductive pole lower end, or is one section pyramidal structure of conductive pole lower end, or the nut of installing for the conductive pole lower end.
Narrow easy fracture section is the cut length that symmetrically arranged cutting groove is contained in one section both sides at conductive pole middle part.
Cutting groove is a V-shaped groove, or for falling dovetail groove, or be U-lag, or be rectangular channel, or be deep-slotted chip breaker; Cutting groove is a level trough, or is oblique slot; The sectional area of narrow easy fracture section middle section least part is 20%～40% of a conductive pole sectional area.
The number of plies of the recessed compression groove of annular is two-layer; The conductive pole that is electrically connected with the upper end lead-out wire of core body is provided with narrow easy fracture section, and does not have narrow easy fracture section on the conductive pole that the lower end lead-out wire of core body is electrically connected, and the bottom of core body is provided with down the insulation fixed cap.
The upper surface of last insulation fixed cap is provided with the positioning convex post, the lower surface of last insulation fixed cap is provided with the positioning convex piece, the lower surface of insulating cylinder cap is provided with the positioning convex piece, these positioning convex posts or positioning convex piece make each parts in the barrel shell have fixing position, can not be moved; Contain external screw thread on the hollow conductive connection outer surface of column.
The lower end lead-out wire of core body is with insulating sleeve outward, and the outer bottom of barrel shell is provided with one section set bolt, and conductive pole through hole one side that contains the conductive pole place of narrow easy fracture section is provided with a sign projection.
The material of barrel shell is an aluminium, on insulate fixed cap, the insulate material of fixed cap, insulating cylinder cap is plastics down.
During this high-capacity non-explosive capacitor of processing, two ends lead-out wire and two conductive poles with core body weld together earlier, to go up the insulation fixed cap then, the fixed cap that insulate down covers is putting into barrel shell (conductive pole will pass from the conductive pole through hole on the last insulation fixed cap) behind the core body two ends, then on adjacent, roll out the twice cannelure on the barrel shell above the insulation fixed cap, on the cannelure of upper strata, install insulating cylinder cap (conductive pole will pass the hollow conductive connector from the insulating cylinder cap) again, with folding brake with the upper edge invagination of barrel shell so that insulating cylinder cap sealing and fixing in barrel shell, at last, barrel shell is carried out vertical punching press, make the twice cannelure be compressed into annular recessed compression groove, again steeping liq is poured into from conductive connector hollow, then conductive connector and conductive pole are got final product with the scolding tin seal welding together.
Beneficial effect of the present invention:
1, barrel shell of the present invention is provided with the recessed compression groove of two-layer at least annular, the insulation fixed cap of going up in the barrel shell is provided with two vertical conductive poles, the lower end of conductive pole is electrically connected with the two ends lead-out wire of core body respectively, the middle part of at least one conductive pole is provided with narrow easy fracture section, hollow conductive connector on the upper end of conductive pole and the insulating cylinder cap by the scolding tin seal welding together, during actual the use, in case capacitor breaks down, the maceration extract of capacitor inside is known from experience heating and is expanded, cause annular recessed compression groove to trail, thereby the narrow easy fracture section at conductive pole middle part is broken, reach the purpose of cutting off capacitor power, prevent that capacitor from further expanding, blast, therefore explosion-proof effect of the present invention is better.
2, narrow easy fracture section of the present invention is the cut length that the cutting groove that is oppositely arranged is contained in one section both sides on the conductive pole, and conductive pole is the copper post; The structure of narrow easy fracture section makes it, and not only intensity is less, fracture easily, and have bigger conductive cross-sectional area, add the satisfactory electrical conductivity of copper, make the resistance of narrow easy fracture section less, on conductive pole, can pass through bigger electric current, therefore, the present invention is highly suitable for jumbo electric capacity.Especially for containing symmetrically arranged V-shaped groove or falling the narrow easy fracture section of dovetail groove, its resistance is littler, and more easy fracture also is easier to processing.
3, narrow easy fracture section of the present invention can adopt cutting machine directly to process on the copper post, makes simple, convenient.
(4), description of drawings:
Fig. 1 is the structural representation of high-capacity non-explosive capacitor;
Fig. 2 is the structural representation of last insulation fixed cap;
Fig. 3 is the backsight structural representation of Fig. 2;
Fig. 4 is the structural representation of last insulating cylinder cap;
Fig. 5 is the backsight structural representation of Fig. 4;
Fig. 6 is one of the structure for amplifying schematic diagram that contains the conductive pole of narrow easy fracture section;
Fig. 7 be contain narrow easy fracture section conductive pole the structure for amplifying schematic diagram two;
Fig. 8 be contain narrow easy fracture section conductive pole the structure for amplifying schematic diagram three;
Fig. 9 be contain narrow easy fracture section conductive pole the structure for amplifying schematic diagram four;
Figure 10 be contain narrow easy fracture section conductive pole the structure for amplifying schematic diagram five;
Figure 11 is the left TV structure schematic diagram of Figure 10;
Figure 12 is the backsight structural representation of Figure 10.
(5), embodiment:
Embodiment one: referring to Fig. 1～Fig. 6, among the figure, high-capacity non-explosive capacitor contains core body 4 barrel shells 3, sealing is filled with steeping liq between core body 4 and the barrel shell 3, be provided with the recessed compression groove 8 of two-layer annular on the barrel shell 3 on be positioned at core body 4 height, 21, in barrel shell 3 and between recessed compression groove 8 of undermost annular and core body 4, be fixed with insulation fixed cap 17 on, the upper surface of last insulation fixed cap 17 is provided with two conductive pole through holes 30,7, two conductive pole through holes 30, be respectively equipped with two vertical conductive poles 14 in 7,12, two conductive poles 14,12 lower end respectively with the two ends lead-out wire 19 of core body 4,20 are electrically connected, narrow easy fracture section is contained at the middle part of the conductive pole 14 that is electrically connected with the upper end lead-out wire 19 of core body 4, the lower end of conductive pole 14 is provided with anti-skid mechanism, the lower end that the conductive pole 14 of narrow easy fracture section will be contained in anti-skid mechanism is fixed on the conductive pole through hole 30 times of insulation fixed cap 17, the upper edge of barrel shell 3 is interior flanging, sealing and fixing has insulating cylinder cap 9 in barrel shell 3 and between the annular recessed compression groove 21 of the interior flanging and the superiors, the upper surface that penetrates insulating cylinder cap 9 is provided with 10, two conductive poles 14 of two hollow conductive connectors, 12 pierce in two hollow conductive connectors 10 respectively and conductive pole 14,12 upper end and hollow conductive connector 10 are by scolding tin 11 seal weldings together.
Narrow easy fracture section is the cut length that symmetrically arranged cutting groove 15 is contained in one section both sides at conductive pole 14 middle parts, and conductive pole 14,12 is the copper post; Anti-skid mechanism is one section L shaped horizontal bending 29 of bending formation again after the lower end of conductive pole 14 is crushed.
The bottom of core body 4 is provided with down insulation fixed cap 2; The upper surface of last insulation fixed cap 17 is provided with 3 positioning convex posts 6, the lower surface of last insulation fixed cap 17 is provided with 4 positioning convex pieces 18, the lower surface of insulating cylinder cap 9 is provided with positioning convex piece 16,13, these positioning convex posts or positioning convex piece make each parts in the barrel shell 3 have fixing position, can not be moved; Contain external screw thread on hollow conductive connector 10 outer surfaces.
The lower end lead-out wire 20 outer insulating sleeves that are with of core body 4, the outer bottom of barrel shell 3 is provided with one section set bolt 1, conductive pole through hole 30 1 sides that contain conductive pole 14 places of narrow easy fracture section are provided with a sign projection 5, and sign projection 5 plays a mark effect.
The material of barrel shell 3 is an aluminium, on insulate fixed cap 17, the insulate material of fixed cap 2, insulating cylinder cap 9 is plastics down.
During this high-capacity non-explosive capacitor of processing, elder generation is with the two ends lead-out wire 19 of core body 4,20 and two conductive poles 14,12 weld together, to go up insulation fixed cap 17 then, under the fixed cap 2 that insulate cover and behind core body 4 two ends, put into barrel shell 3 (conductive pole 14,12 will be from the conductive pole through hole 30 on the last insulation fixed cap 17, pass in 7), then on adjacent, roll out twice cannelure 8 on the barrel shell 3 above the insulation fixed cap 17,21, on upper strata cannelure 21, install insulating cylinder cap 9 (conductive pole 14 again, 12 will pass the hollow conductive connector 10 from insulating cylinder cap 9), with folding brake with the upper edge invagination of barrel shell 3 so that insulating cylinder cap 9 sealing and fixing in barrel shell 3, at last, barrel shell 3 is carried out vertical punching press, make the twice cannelure be compressed into annular recessed compression groove 8,21, again steeping liq is poured into from conductive connector 10 hollow, then with conductive connector 10 and conductive pole 14,12 usefulness scolding tin, 11 seal weldings get final product together.
Embodiment two: referring to Fig. 1～Fig. 5, Fig. 7, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: narrow easy fracture section is the cut length that symmetrically arranged cutting groove 24 is contained in one section both sides at conductive pole 14 middle parts, and cutting groove 24 is for falling dovetail groove; Anti-skid mechanism is one section inverted T-shaped structure 28 of conductive pole 14 lower ends.
Embodiment three: referring to Fig. 1～Fig. 5, Fig. 8, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: narrow easy fracture section is the cut length that the cutting groove 22 that is oppositely arranged is contained in one section both sides at conductive pole 14 middle parts, and cutting groove 22 is a rectangular channel, and the cutting groove 22 on both sides is asymmetric; Anti-skid mechanism is one section pyramidal structure 27 of conductive pole 14 lower ends.
Embodiment four: referring to Fig. 1～Fig. 5, Fig. 9, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: narrow easy fracture section is the cut length that symmetrically arranged cutting groove 25 is contained in one section both sides at conductive pole 14 middle parts, and cutting groove 25 is a deep-slotted chip breaker; Anti-skid mechanism is the nut 26 that install conductive pole 14 lower ends.
Embodiment five: referring to Fig. 1～Fig. 5, Figure 10～Figure 12, among the figure, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, and something in common does not repeat, and difference is: narrow easy fracture section is the cut length that symmetrically arranged cutting groove 23 is contained in one section both sides at conductive pole 14 middle parts, cutting groove 23 is a rectangular channel, and cutting groove 23 is an oblique slot.
Claims (8)
1. high-capacity non-explosive capacitor, contain core body and barrel shell, sealing is filled with steeping liq between core body and the barrel shell, be provided with the recessed compression groove of two-layer at least annular on the barrel shell on be positioned at the core body height, it is characterized in that: in barrel shell and between recessed compression groove of undermost annular and core body, be fixed with the fixed cap that insulate on, the upper surface of last insulation fixed cap is provided with two conductive pole through holes, be respectively equipped with two vertical conductive poles in two conductive pole through holes, the lower end of two conductive poles is electrically connected with the two ends lead-out wire of core body respectively, narrow easy fracture section is contained at the middle part of at least one conductive pole, the lower end of containing the conductive pole of narrow easy fracture section is provided with anti-skid mechanism, the lower end that the conductive pole of narrow easy fracture section will be contained in anti-skid mechanism is fixed under the conductive pole through hole of insulation fixed cap, the upper edge of barrel shell is interior flanging, sealing and fixing has the insulating cylinder cap in barrel shell and between the annular recessed compression groove of the interior flanging and the superiors, the upper surface that penetrates the insulating cylinder cap is provided with two hollow conductive connectors, two conductive poles pierce in two hollow conductive connectors respectively and the upper end of conductive pole and hollow conductive connector by the scolding tin seal welding together.
2. high-capacity non-explosive capacitor according to claim 1 is characterized in that: described narrow easy fracture section is the cut length that the cutting groove that is oppositely arranged is contained in one section both sides at conductive pole middle part, and conductive pole is the copper post; Described anti-skid mechanism is the L shaped horizontal bending of a section of conductive pole lower end, or is one section inverted T-shaped structure of conductive pole lower end, or is one section pyramidal structure of conductive pole lower end, or the nut of installing for the conductive pole lower end.
3. high-capacity non-explosive capacitor according to claim 2 is characterized in that: described narrow easy fracture section is the cut length that symmetrically arranged cutting groove is contained in one section both sides at conductive pole middle part.
4. according to claim 2 or 3 described high-capacity non-explosive capacitors, it is characterized in that: described cutting groove is a V-shaped groove, or for falling dovetail groove, or be U-lag, or be rectangular channel, or be deep-slotted chip breaker; Described cutting groove is a level trough, or is oblique slot; The sectional area of described narrow easy fracture section middle section least part is 20%～40% of a conductive pole sectional area.
5. high-capacity non-explosive capacitor according to claim 4 is characterized in that: the number of plies of the recessed compression groove of described annular is two-layer; The conductive pole that is electrically connected with the upper end lead-out wire of core body is provided with narrow easy fracture section, and does not have narrow easy fracture section on the conductive pole that the lower end lead-out wire of core body is electrically connected, and the bottom of described core body is provided with down the insulation fixed cap.
6. high-capacity non-explosive capacitor according to claim 5, it is characterized in that: described upper surface of going up the insulation fixed cap is provided with the positioning convex post, the lower surface of last insulation fixed cap is provided with the positioning convex piece, the lower surface of described insulating cylinder cap is provided with the positioning convex piece, contains external screw thread on the described hollow conductive connection outer surface of column.
7. high-capacity non-explosive capacitor according to claim 6, it is characterized in that: the lower end lead-out wire of described core body is with insulating sleeve outward, the outer bottom of described barrel shell is provided with one section set bolt, and described conductive pole through hole one side that contains the conductive pole place of narrow easy fracture section is provided with a sign projection.
8. high-capacity non-explosive capacitor according to claim 7 is characterized in that: the material of described barrel shell is an aluminium, describedly goes up the insulation fixed cap, the insulate material of fixed cap, insulating cylinder cap is plastics down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100660636A CN101645350B (en) | 2009-09-07 | 2009-09-07 | High-capacity non-explosive capacitor |
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| CN2009100660636A CN101645350B (en) | 2009-09-07 | 2009-09-07 | High-capacity non-explosive capacitor |
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| CN101645350A CN101645350A (en) | 2010-02-10 |
| CN101645350B true CN101645350B (en) | 2011-06-15 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101825262B (en) * | 2010-03-04 | 2012-12-19 | 海洋王照明科技股份有限公司 | Antislip insert structure |
| CN101819878B (en) * | 2010-04-15 | 2012-05-09 | 佛山市顺德区胜业电力能源技术有限公司 | Combined capacitor with safeguard device |
| CN102509607B (en) * | 2011-11-02 | 2013-04-10 | 常熟市天银机电股份有限公司 | Anti-fire mechanism for alternating current capacitor |
| CN104051151A (en) * | 2013-03-11 | 2014-09-17 | 苏州三星电子有限公司 | Explosion-proof capacitor with novel structure |
| CN103426630B (en) * | 2013-08-23 | 2016-03-02 | 温州威斯康工业有限公司 | cylindrical explosion-proof capacitor |
| CN105529183A (en) * | 2016-01-25 | 2016-04-27 | 池州市容大电气有限公司 | Explosion-proof capacitor |
| CN106098367B (en) * | 2016-07-26 | 2018-07-27 | 长兴立峰电子有限公司 | Compound direct current capacitors |
| CN108281278B (en) * | 2017-12-29 | 2019-11-12 | 安徽瀚宇电气有限公司 | A kind of locomotive capacitor with anti-extrusion, high radiating shell |
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| CN2177991Y (en) * | 1993-12-20 | 1994-09-21 | 顺德市北滘华达电器厂 | Capacitor for air-conditioner |
| CN201167031Y (en) * | 2008-02-03 | 2008-12-17 | 宁国市大荣电器有限公司 | Trislot explosion-proof environment protection capacitor |
| CN101369489A (en) * | 2007-08-14 | 2009-02-18 | 上海皓月电气有限公司 | Safe metalizing film capacitor |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
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2009
- 2009-09-07 CN CN2009100660636A patent/CN101645350B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177991Y (en) * | 1993-12-20 | 1994-09-21 | 顺德市北滘华达电器厂 | Capacitor for air-conditioner |
| CN101369489A (en) * | 2007-08-14 | 2009-02-18 | 上海皓月电气有限公司 | Safe metalizing film capacitor |
| CN201167031Y (en) * | 2008-02-03 | 2008-12-17 | 宁国市大荣电器有限公司 | Trislot explosion-proof environment protection capacitor |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
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Effective date of registration: 20180611 Address after: 101400 32 Yan Qi street, Yan Qi Economic Development Zone, Huairou District, Beijing Patentee after: Beijing China Electric Beiyuan Electronic Technology Co., Ltd. Address before: No. 1, nautical West Road, Zhongyuan District, Zhengzhou, Henan Province Patentee before: Zhengzhou Weihua Electronic Technology Co., Ltd. |