CN203859090U - Oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation - Google Patents
Oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation Download PDFInfo
- Publication number
- CN203859090U CN203859090U CN201420187932.7U CN201420187932U CN203859090U CN 203859090 U CN203859090 U CN 203859090U CN 201420187932 U CN201420187932 U CN 201420187932U CN 203859090 U CN203859090 U CN 203859090U
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- Prior art keywords
- cap
- prong
- melt
- fuse
- lid
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- 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 - Lifetime
Links
- 230000009466 transformation Effects 0.000 title abstract 2
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 230000004927 fusion Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model discloses an oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation. The fuse comprises a support casing part, a fuse carrying part and a fuse body part, wherein the fuse body part comprises a fuse body unit, a joint, a first external cap, a second external cap, a first internal cap, a second internal cap and a fuse tube housing of a hollow structure; the fuse carrying part comprises an insulating connection rod, a pressure spring, a front conducting strip, a support, a front electrode cap, a lining cover and a cover; and the support casing part comprises a front electrode, a rear conductive ring, a rear electrode slice, a front wiring terminal, a shielding layer, a rear wring terminal, a support casing and a gland. The fuse of the utility model is long in service life.
Description
Technical field
The utility model belongs to high-tension fuse field, is specifically related to a kind of wind and becomes special oil immersed type gamut protection high-voltage and current-limitation fuse.
Background technology
Fuse is the most frequently used protective device, and it is mainly used in ultra-high-tension power transmission line, power transformer, and the overload of the electric equipments such as voltage transformer and short-circuit protection, it selects dissimilar high-tension fuse by protection device and purposes.
In American-type box becomes, use a kind of oil-immersed limiting fuse being dipped in casing transformer oil, this fuse is very high to seal request.In prior art, its structure is the hollow cylindrical shell that has been wound around the unidirectional opening of one deck epoxy glass fiber material in the appearance of aluminium alloy pedestal and two aluminium alloy conducting rings, its weak point is: 1) build is long, thereby has strengthened fuel tank size, has increased production cost; 2) aluminium alloy pedestal and two conducting rings and epoxy glass fiber material, both difference of linear expansions are large, and (aluminium alloy linear expansion coefficient is 1.62～2.47 × 10
-5, epoxy glass is 3.0～6.0 × 10
-5).Be not difficult to find out thus, differ the linear expansion coefficient of a times, year in and year out, the microdisplacement of bi-material faying face, causes poor sealing and oil impregnate phenomenon happens occasionally, thereby has shortened life of product.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of wind to become special oil immersed type gamut protection high-voltage and current-limitation fuse, this fuse long service life.
For achieving the above object, wind described in the utility model becomes special oil immersed type gamut protection high-voltage and current-limitation fuse and comprises support case member, carries melt parts and fuse-link parts;
Described fuse-link parts comprise the fusion tube shell of melt parts, joint, the first outer cap, the second outer cap, the first interior cap, the second interior cap and hollow structure, melt parts are arranged in fusion tube shell, the first interior cap and the second interior cap are socketed on respectively the two ends of melt parts, the first outer cap sleeve is connected to the side of the first interior cap and the side of fusion tube shell one end, the second outer cap sleeve is connected to the side of the second interior cap and the side of the fusion tube shell other end, and joint is fixed on the outside of the second outer tube;
Within described year, melt parts comprise insulated connecting rod, stage clip, front conducting strip, support, front electrode cap, lining lid and lid, one end of insulated connecting rod is connected with lining lid, the side of the insulated connecting rod other end is provided with groove, the bottom of groove is fixed in one end of stage clip, the other end of stage clip contacts with the inner side of front conducting strip, the outside of front conducting strip is connected with the inner side of front electrode cap, and front conducting strip and front electrode cap are fixed on the end of insulated connecting rod by support;
Described support case member comprises front electrode, rear conducting ring, rear electrode sheet, front binding post, screen, rear binding post, support shell and gland, carrying melt parts and fuse-link parts is all arranged in support shell, one end of rear conducting ring is connected with the first outer cap by rear electrode sheet, the other end of rear conducting ring is connected with rear binding post, one end of rear conducting ring and support shell is tightly connected, the other end of support shell is connected with gland, joint is connected with insulated connecting rod one end through support, the other end of insulated connecting rod is connected with a side of lining lid, the opposite side of lining lid is connected with lid, lining lid and lid are connected with the inner wall sealing of support shell, one end of front electrode contacts with front electrode cap through the side of support shell, front binding post is socketed on the side of the described front electrode other end, screen is socketed on front binding post.
Described melt parts comprise ten prong posts, seven-star pillar, the first melt, the second melt, the first arc-extinguishing tube, the second arc-extinguishing tube, the 10 prong styletable face, the 20 prong styletable lid, the first seven-star pillar end cap, the second seven-star pillar end cap, pad, brace, the two ends of ten prong posts are connected with the 10 prong styletable face and the 20 prong styletable face respectively, the two ends of seven-star pillar 25 are connected with the first seven-star pillar end cap and the second seven-star pillar end cap respectively, the first melt 17 is wound on seven-star pillar, the two ends of the first melt are individually fixed in the first seven-star pillar end cap and the second seven-star post ends covers, the second melt is wound on ten prong posts, the two ends of the second melt are individually fixed on the 10 prong styletable face and the 20 prong styletable face, seven-star pillar is socketed in ten prong posts, the first seven-star pillar end cap is socketed in the 10 prong styletable lid, the second seven-star pillar end cap is socketed in the 20 prong styletable lid, the 10 prong styletable lid and the first seven-star pillar end cap are connected with the first interior cap, the 20 prong styletable lid and the second seven-star pillar end cap are connected with the second interior cap, between ten prong posts and fusion tube shell, fill oily inserts, the first arc-extinguishing tube is socketed on one end of the first melt, the second arc-extinguishing tube is socketed on one end of the second melt, the first arc-extinguishing tube and the second arc-extinguishing tube are connected with the second seven-star pillar end cap and the 20 prong styletable lid respectively, pad is between the first outer cap and the first interior cap, brace is between the second seven-star pillar end cap and the second interior cap.
Described rear electrode sheet is connected by taper stage clip and rear conductive cap with the first outer cap.
Described rear conducting ring and support shell are by flat arc sealing ring and the sealing of 0 shape sealing ring.
Between described lining lid and support shell, pass through seal ring seal.
Between described the first interior cap and the first outer cap and between the second interior cap and the second outer cap, be equipped with back-up ring 27;
Between described the first seven-star pillar end cap and the first interior cap and between the second seven-star pillar end cap and the second interior cap, be all connected by brace;
Between described joint and the second outer cap, be connected by collar nut;
Between described the first outer cap and fusion tube shell, be provided with rectangular seal.
The utlity model has following beneficial effect:
Wind described in the utility model becomes special oil immersed type gamut protection high-voltage and current-limitation fuse and comprises support case member, carry melt parts and fuse-link parts, in the course of the work, be connected with circuit by the front binding post on support case member and rear binding post, lining lid on fuse-link parts and lid are connected with the inner wall sealing of support case member upper bracket shell, rear conducting ring on support case member and one end of support shell are tightly connected, sealing property is high, thereby effectively raise wind described in the utility model and become the life-span of special oil immersed type gamut protection high-voltage and current-limitation fuse.
In addition, the melt parts on described fuse-link parts comprise ten prong posts, seven-star pillar, the first melt and the second melt, thereby meet the requirement of the load of large electric current.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model medium-height trestle case member 1;
Fig. 3 is the structural representation of fuse-link parts 2 in the utility model;
Fig. 4 is the structural representation that carries melt parts 3 in the utility model.
Wherein, 1 is support case member, 2 is fuse-link parts, 3 for carrying melt parts, 4 is rear conducting ring, 5 is rear electrode sheet 5, 6 is taper stage clip, 7 is rear conductive cap, 8 is front binding post, 9 is screen, 10 is 0 shape sealing ring, 11 is front electrode, 12 is support shell, 13 is rear binding post, 14 is gland, 15 is flat arc sealing ring, 16 is joint, 17 is the first melt, 18 is collar nut, 19 is the first arc-extinguishing tube, 20 is rectangular seal, 21 is the second melt, 22 is fusion tube shell, 23 is inserts, 24 is ten prong posts, 25 is seven-star pillar, 26 is the second arc-extinguishing tube, 27 is back-up ring, 28 is brace, 29 is support, 30 is front conducting strip, 31 is stage clip, 32 is front electrode cap, 33 is insulated connecting rod, 34 is lining lid, 35 is sealing ring, 36 is lid, 37 is handgrip, 38 is special type screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, wind described in the utility model becomes special oil immersed type gamut protection high-voltage and current-limitation fuse and comprises support case member 1, carry melt parts 3 and fuse-link parts 2, fuse-link parts 2 comprise melt parts, joint 16, the first outer cap, the second outer cap, the first interior cap, the fusion tube shell 22 of the second interior cap and hollow structure, melt parts are arranged in fusion tube shell 22, the first interior cap and the second interior cap are socketed on respectively the two ends of melt parts, the first outer cap sleeve is connected to the side of the first interior cap and the side of fusion tube shell 22 one end, the second outer cap sleeve is connected to the side of the second interior cap and the side of fusion tube shell 22 other ends, joint 16 is fixed on the outside of the second outer tube, within described year, melt parts 3 comprise insulated connecting rod 33, stage clip 31, front conducting strip 30, support 29, front electrode cap 32, lining covers 34 and lid 36, one end of insulated connecting rod 33 is covered 34 with lining and is connected, the side of insulated connecting rod 33 other ends is provided with groove, the bottom of groove is fixed in one end of stage clip 31, the other end of stage clip 31 contacts with the inner side of front conducting strip 30, the outside of front conducting strip 30 is connected with the inner side of front electrode cap 32, front conducting strip 30 and front electrode cap 32 are fixed on the other end of insulated connecting rod 33 by support 29, described support case member 1 comprises front electrode 11, rear conducting ring 4, rear electrode sheet 5, front binding post 8, screen 9, rear binding post 13, support shell 12 and gland 14, carrying melt parts 3 and fuse-link parts 2 is all arranged in support shell 12, one end of rear conducting ring 4 is connected with the first outer cap by rear electrode sheet 5, the other end of rear conducting ring 4 is connected with rear binding post 13, rear conducting ring 4 is tightly connected with one end of support shell 12, the other end of support shell 12 is connected with gland 14, joint 16 is connected with insulated connecting rod 33 one end through support 29, the other end of insulated connecting rod 33 covers a side of 34 with lining and is connected, lining covers 34 opposite side and is connected with lid 36, lining cover 34 and lid 36 be connected with the inner wall sealing of support shell 12, one end of front electrode 11 contacts with front electrode cap 32 through the side of support shell 12, front binding post 8 is socketed on the side of described front electrode 11 other ends, screen 9 is socketed on front binding post 8.
It should be noted that, described melt parts comprise ten prong posts 24, seven-star pillar 25, the first melt 17, the second melt 21, the first arc-extinguishing tube 19, the second arc-extinguishing tube 26, the 10 prong styletable face, the 20 prong styletable lid, the first seven-star pillar end cap, the second seven-star pillar end cap, pad, brace 28, the two ends of ten prong posts 24 are connected with the 10 prong styletable face and the 20 prong styletable face respectively, the two ends of seven-star pillar 25 are connected with the first seven-star pillar end cap and the second seven-star pillar end cap respectively, the first melt 17 is wound on seven-star pillar 25, the two ends of the first melt 17 are individually fixed in the first seven-star pillar end cap and the second seven-star post ends covers, the second melt 21 is wound on ten prong posts 24, the two ends of the second melt 21 are individually fixed on the 10 prong styletable face and the 20 prong styletable face, seven-star pillar 25 is socketed in ten prong posts 24, the first seven-star pillar end cap is socketed in the 10 prong styletable lid, the second seven-star pillar end cap is socketed in the 20 prong styletable lid, the 10 prong styletable lid and the first seven-star pillar end cap are connected with the first interior cap, the 20 prong styletable lid and the second seven-star pillar end cap are connected with the second interior cap, between ten prong posts 24 and fusion tube shell 22, fill oily inserts 23, the first arc-extinguishing tube 19 is socketed on one end of the first melt 17, the second arc-extinguishing tube 26 is socketed on one end of the second melt 21, the first arc-extinguishing tube 19 and the second arc-extinguishing tube 26 are connected with the second seven-star pillar end cap and the 20 prong styletable lid respectively, pad is between the first outer cap and the first interior cap, brace 28 is between the second seven-star pillar end cap and the second interior cap, rear electrode sheet 5 is connected by taper stage clip 6 and rear conductive cap 7 with the first outer cap, rear conducting ring 4 seals by flat arc sealing ring 15 and 0 shape sealing ring 10 with support shell 12, lining cover 34 and support shell 12 between seal by sealing ring 35, between the first interior cap and the first outer cap and between the second interior cap and the second outer cap, be equipped with back-up ring 27, between described the first seven-star pillar end cap and the first interior cap and between the second seven-star pillar end cap and the second interior cap, be all connected by brace 28, between described joint 16 and the second outer cap, be connected by collar nut 18, between described the first outer cap and fusion tube shell 22, be provided with rectangular seal 20.
Wind described in the utility model becomes special oil immersed type gamut protection high-voltage and current-limitation fuse in the time of general assembly, first the joint in fuse-link parts 2 16 is screwed in the rear end centre bore of insulated connecting rod 33, screw errorless after, form the large parts of entirety that unite two into one.Then large this entirety parts are injected by the cylinder oral area of support case member 1 taking fuse member as head, in the time that fuse member top touches the rear conductive cap 7 of support shell 12 rear ends, the now elastic cylindrical pin to Positive rack case member 1 upper press cover 14 two ends by the handgrip 37 spanner mouths in year melt parts 3, firmly further be pressed into lid 36, now, conductive cap 7 compresses taper stage clip 6, and handle 37 turns clockwise 90 along special type screw 38., make to be enclosed within lining cover 34 with lid 36 cone angles on sealing ring 35 tightly kill on support shell 12 cylinder end faces, and join with cylinder inner wall is close, make to seal completely in pipe, protected fuse member to move being dried, in pure environment.
Claims (6)
1. wind becomes a special oil immersed type gamut protection high-voltage and current-limitation fuse, it is characterized in that, comprises support case member (1), carries melt parts (3) and fuse-link parts (2);
Described fuse-link parts (2) comprise the fusion tube shell (22) of melt parts, joint (16), the first outer cap, the second outer cap, the first interior cap, the second interior cap and hollow structure, melt parts are arranged in fusion tube shell (22), the first interior cap and the second interior cap are socketed on respectively the two ends of melt parts, the first outer cap sleeve is connected to the side of the first interior cap and the side of fusion tube shell (22) one end, the second outer cap sleeve is connected to the side of the second interior cap and the side of fusion tube shell (22) other end, and joint (16) is fixed on the outside of the second outer tube;
Described year melt parts (3) comprise insulated connecting rod (33), stage clip (31), front conducting strip (30), support (29), front electrode cap (32), lining lid (34) and lid (36), one end of insulated connecting rod (33) is connected with lining lid (34), the side of insulated connecting rod (33) other end is provided with groove, the bottom of groove is fixed in one end of stage clip (31), the other end of stage clip (31) contacts with the inner side of front conducting strip (30), the outside of front conducting strip (30) is connected with the inner side of front electrode cap (32), front conducting strip (30) and front electrode cap (32) are fixed on the end of insulated connecting rod (33) by support (29),
Described support case member (1) comprises front electrode (11), rear conducting ring (4), rear electrode sheet (5), front binding post (8), screen (9), rear binding post (13), support shell (12) and gland (14), carrying melt parts (3) and fuse-link parts (2) is all arranged in support shell (12), one end of rear conducting ring (4) is connected with the first outer cap by rear electrode sheet (5), the other end of rear conducting ring (4) is connected with rear binding post (13), rear conducting ring (4) is tightly connected with one end of support shell (12), the other end of support shell (12) is connected with gland (14), joint (16) is connected with insulated connecting rod (33) one end through support (29), the other end of insulated connecting rod (33) is connected with a side of lining lid (34), the opposite side of lining lid (34) is connected with lid (36), lining lid (34) and lid (36) are connected with the inner wall sealing of support shell (12), one end of front electrode (11) contacts with front electrode cap (32) through the side of support shell (12), front binding post (8) is socketed on the side of described front electrode (11) other end, screen (9) is socketed on front binding post (8).
2. wind according to claim 1 becomes special oil immersed type gamut protection high-voltage and current-limitation fuse, it is characterized in that, described melt parts comprise ten prong posts (24), seven-star pillar (25), the first melt (17), the second melt (21), the first arc-extinguishing tube (19), the second arc-extinguishing tube (26), the 10 prong styletable face, the 20 prong styletable lid, the first seven-star pillar end cap, the second seven-star pillar end cap, pad, brace (28), the two ends of ten prong posts (24) are connected with the 10 prong styletable face and the 20 prong styletable face respectively, the two ends of seven-star pillar (25) are connected with the first seven-star pillar end cap and the second seven-star pillar end cap respectively, the first melt (17) is wound on seven-star pillar (25), the two ends of the first melt (17) are individually fixed in the first seven-star pillar end cap and the second seven-star post ends covers, the second melt (21) is wound on ten prong posts (24), the two ends of the second melt (21) are individually fixed on the 10 prong styletable face and the 20 prong styletable face, seven-star pillar (25) is socketed in ten prong posts (24), the first seven-star pillar end cap is socketed in the 10 prong styletable lid, the second seven-star pillar end cap is socketed in the 20 prong styletable lid, the 10 prong styletable lid and the first seven-star pillar end cap are connected with the first interior cap, the 20 prong styletable lid and the second seven-star pillar end cap are connected with the second interior cap, between ten prong posts (24) and fusion tube shell (22), fill oily inserts (23), the first arc-extinguishing tube (19) is socketed on one end of the first melt (17), the second arc-extinguishing tube (26) is socketed on one end of the second melt (21), the first arc-extinguishing tube (19) and the second arc-extinguishing tube (26) are connected with the second seven-star pillar end cap and the 20 prong styletable lid respectively, pad is between the first outer cap and the first interior cap, brace (28) is between the second seven-star pillar end cap and the second interior cap.
3. wind according to claim 1 becomes special oil immersed type gamut protection high-voltage and current-limitation fuse, it is characterized in that, described rear electrode sheet (5) is connected by taper stage clip (6) and rear conductive cap (7) with the first outer cap.
4. wind according to claim 1 becomes special oil immersed type gamut protection high-voltage and current-limitation fuse; it is characterized in that, described rear conducting ring (4) seals by flat arc sealing ring (15) and 0 shape sealing ring (10) with support shell (12).
5. wind according to claim 1 becomes special oil immersed type gamut protection high-voltage and current-limitation fuse, it is characterized in that, between described lining lid (34) and support shell (12), seals by sealing ring (35).
6. wind according to claim 2 becomes special oil immersed type gamut protection high-voltage and current-limitation fuse, it is characterized in that, between described the first interior cap and the first outer cap and between the second interior cap and the second outer cap, is equipped with back-up ring (27);
Between described the first seven-star pillar end cap and the first interior cap and between the second seven-star pillar end cap and the second interior cap, be all connected by brace (28);
Between described joint (16) and the second outer cap, be connected by collar nut (18);
Between described the first outer cap and fusion tube shell (22), be provided with rectangular seal (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187932.7U CN203859090U (en) | 2014-04-17 | 2014-04-17 | Oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187932.7U CN203859090U (en) | 2014-04-17 | 2014-04-17 | Oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859090U true CN203859090U (en) | 2014-10-01 |
Family
ID=51608932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187932.7U Expired - Lifetime CN203859090U (en) | 2014-04-17 | 2014-04-17 | Oil-immersed high-voltage current limiting fuse with total range protection specially used for wind power transformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409298A (en) * | 2014-11-14 | 2015-03-11 | 桐乡天泽电气有限公司 | Outer sleeve for oil immersed high-voltage current-limiting fuse |
-
2014
- 2014-04-17 CN CN201420187932.7U patent/CN203859090U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409298A (en) * | 2014-11-14 | 2015-03-11 | 桐乡天泽电气有限公司 | Outer sleeve for oil immersed high-voltage current-limiting fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |