CN103441050B - A kind of striker for oil fuse - Google Patents
A kind of striker for oil fuse Download PDFInfo
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- CN103441050B CN103441050B CN201310428449.3A CN201310428449A CN103441050B CN 103441050 B CN103441050 B CN 103441050B CN 201310428449 A CN201310428449 A CN 201310428449A CN 103441050 B CN103441050 B CN 103441050B
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- fuse
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- metal sleeve
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- spring
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Abstract
The invention discloses a kind of striker for oil fuse, comprise metal sleeve, striker, energy-stored spring, spring bearer plate and fuse.Metal sleeve is arranged on the fuse member of fuse; Striker is that one end open has the barrel-shaped of outward flanging and is arranged in the rear portion endoporus of metal sleeve in opening mode forward; Spring bearer plate is located at the inner chamber of striker; Energy-stored spring is located at after the inner chamber of striker is inserted in metal sleeve and one end and withstands on spring bearer plate, and the other end of this energy-stored spring withstands on the front port of metal sleeve; One end of fuse is fixed on spring bearer plate, and the central authorities and that the other end of this fuse inserts energy-stored spring successively are coaxially connected to the metal tube outside the front port of metal sleeve, by metal tube described in distortion, fuse is fixed and energy-stored spring is compressed.Striker of the present invention can eject in time when fuse action and triggering signal output device output signal, so that can fix a breakdown in time in circuit supervision station.
Description
Technical field
The present invention relates to a kind of striker for oil fuse.
Background technology
At present, American Unit Substation is because of its compact conformation, cheap and to be widely used in wind in electricity generation system, main employing oil-immersed and high-voltage fuse in American Unit Substation, but because of the function that it does not output signal, cause remote monitoring very inconvenient, when not finding in time after fuse action, cause circuit meeting phase-deficient operation and produce security risk.In intelligentized today, for oil fuse adds that striker makes it have signal output function, ensure that the system Intellectualized monitoring of circuit is even more important.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of striker for oil fuse is provided, it can eject in time when fuse action and triggering signal output device output signal, so that can fix a breakdown in time in circuit supervision station, ensure that the security of operation of circuit.
The object of the present invention is achieved like this: a kind of striker for oil fuse, described fuse comprises the cylinder base of unidirectional opening and the fusing carrier be successively set on from base openings direction in base and fuse member, described fuse member comprises fusion tube, be sleeved on the front-end and back-end of fusion tube correspondingly and there is the forward and backward attachment cap of projective table type contact; Described striker comprises metal sleeve, striker, spring bearer plate, energy-stored spring, metal tube and fuse, and wherein, described metal sleeve is installed in the inner chamber of attachment cap in the rear; Described striker is that one end open has the barrel-shaped of outward flanging and is arranged in the rear portion endoporus of described metal sleeve in opening mode forward; Described spring bearer plate is located at the inner chamber of described striker; Described energy-stored spring is located in described metal sleeve and one end and withstands on after inserting the inner chamber of described striker on described spring bearer plate, and the other end of this energy-stored spring withstands on the front port of described metal sleeve; Described metal tube is coaxially connected to outside the front port of described metal sleeve; One end of described fuse is fixed on described spring bearer plate, the other end of this fuse is inserted in described metal tube through the central authorities of described energy-stored spring and the front port of described metal sleeve successively, this metal tube of distortion, makes described fuse fix and is electrically connected with the secondary melt on the described fuse member inserted in this metal tube.
The above-mentioned striker for oil fuse, wherein, described metal sleeve is the cylinder that the little and bore of front port in large, an anterior aperture, aperture, rear portion is less than anterior aperture, and this metal sleeve is arranged in the mode of the endoporus of the projective table type contact of described rear attachment cap and is fixed the inner chamber of attachment cap in the rear by the packing ring that is sleeved on its anterior outer peripheral face and plum blossom back-up ring with its rear portion.
The above-mentioned striker for oil fuse, wherein, the front port of described metal sleeve is provided with an insulation upper shield; The other end of described energy-stored spring is enclosed within this insulating case and covers; Described metal tube is connected on the front end face of this insulation upper shield by silica gel; The other end of described fuse is inserted in described metal tube through after the perforation of this insulation upper shield again.
The above-mentioned striker for oil fuse, wherein, the rear port of described metal sleeve fixes a trim ring, and the internal diameter of this trim ring is greater than the external diameter of described striker, is less than the external diameter of the flange of striker.
The above-mentioned striker for oil fuse, wherein, the described fuse being positioned at described energy-stored spring central authorities is also set with an insulated tube.
The technical scheme of the striker for oil fuse of the present invention, coordinate signal output apparatus, can eject in time when fuse action, and then triggering signal output device output signal, so that can fix a breakdown in time in circuit supervision station, ensure that the security of operation of circuit.The position that striker of the present invention ejects is accurate, and be swift in motion, fail safe is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the striker for oil fuse of the present invention;
Fig. 2 is the scheme of installation of the striker for oil fuse of the present invention;
Fig. 3 is the enlarged drawing at the I position in Fig. 2.
Embodiment
In order to understand technical scheme of the present invention better, be also described in detail by reference to the accompanying drawings below by specific embodiment.
Refer to Fig. 1, the striker for oil fuse of the present invention, is arranged on the fuse member 1 of fuse.This striker comprises metal sleeve 27, striker 25, energy-stored spring 23, spring bearer plate 22, fuse 24, trim ring 21, insulated tube 26, insulation upper shield 28 and metal tube 29; Wherein:
Metal sleeve 27 is the cylinder that the little and bore of front port in large, an anterior aperture, aperture, rear portion is less than anterior aperture;
Insulation upper shield 28 is located at the front port of metal sleeve 27, and the making material of this insulation upper shield 28 is nylon;
The outer face that metal tube 29 and metal sleeve 27 are connected to the upper shield 28 that insulate coaxially is fixed by silica gel;
Striker 25 has the barrel-shaped of outward flanging for one end open and is arranged in 27 rear portion endoporus of metal sleeve in opening mode forward;
Spring bearer plate 22 is located at the inner chamber of striker 25, and this spring bearer plate 22 is butterfly plate;
Energy-stored spring 23 is located at after the inner chamber of striker 25 is inserted in metal sleeve 27 and one end and withstands on spring bearer plate 22, and the other end of this energy-stored spring 23 is enclosed within insulation upper shield 28 and withstands on the front port of metal sleeve 27;
One end of fuse 24 to hook on spring bearer plate on 22, and the other end of this fuse 24 is successively through the central authorities of energy-stored spring 23, insulation upper shield 28 be inserted in metal tube 29;
Insulated tube 26 be enclosed within be positioned at energy-stored spring 23 central authorities fuse 24 on, the making material of this insulated tube 26 is silicone glass, and insulated tube 26 can when fuse action to both sides arc blow-out, blow-out;
Trim ring 21 is fixed on the rear port of metal sleeve 27 by spot welding, and the internal diameter of this trim ring 21 is greater than the external diameter of striker 25, is less than the external diameter of the flange of striker 25, plays guide effect and can not depart from metal sleeve 27 when striker 25 is ejected.
Refer to Fig. 2 and Fig. 3 again, the fuse member 1 of oil fuse comprises fusion tube 10, the skeleton 11 be located in fusion tube 10, the main melt 12 be wrapped on skeleton 11, be applied in skeleton 11 inner chamber and the secondary melt 13 in parallel with main melt 12, be sleeved on the forward and backward attachment cap 14,15 of the front-end and back-end of fusion tube 10 correspondingly, the outer end of forward and backward attachment cap 14,15 is respectively with projective table type contact
Striker 2 of the present invention is arranged in rear attachment cap 14, namely the rear portion of the metal sleeve 27 of striker 2 is arranged in the endoporus of the contact of rear attachment cap 15, the rear end of secondary melt 13 is also inserted in metal tube 29, twisted metal pipe 29, makes fuse 24 fixing and be electrically connected with secondary melt 13.The anterior outer peripheral face of metal sleeve 27 is set with large washer 16 and a plum blossom back-up ring 17, metal sleeve 27 is made to be stuck in the inner chamber of rear attachment cap 14, and at the gap filled silicon rubber 18 that large washer 16, metal sleeve 27 and rear attachment cap 15 are formed, ensure that striker 2 can be positioned at the contact central authorities of rear attachment cap 14 exactly.The making material of plum blossom back-up ring 17 is cold-rolling stainless steel.
Striker for oil fuse of the present invention, when there is overload or short circuit in circuit, after the main melt 12 of fuse member fuses, fuse 24 in the secondary melt 13 in parallel with main melt 12 and striker 2 also disconnects instantaneously, and now, energy-stored spring 23 loses pressure and discharges, and make striker 25 eject metal sleeve 27 by spring bearer plate 22, the striker 25 ejected will output signal by triggering signal output device, so that can fix a breakdown in time in circuit supervision station, ensure that the security of operation of circuit.The position that striker of the present invention ejects is accurate, and be swift in motion, fail safe is high.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (2)
1. the striker for oil fuse, described fuse comprises the cylinder base of unidirectional opening and the fusing carrier be successively set on from base openings direction in base and fuse member, described fuse member comprises fusion tube, be sleeved on the front-end and back-end of fusion tube correspondingly and there is the forward and backward attachment cap of projective table type contact; It is characterized in that, described striker comprises metal sleeve, striker, spring bearer plate, energy-stored spring, metal tube and fuse, wherein,
Described metal sleeve is installed in the inner chamber of attachment cap in the rear; Described striker is that one end open has the barrel-shaped of outward flanging and is arranged in the rear portion endoporus of described metal sleeve in opening mode forward; Described spring bearer plate is located at the inner chamber of described striker; Described energy-stored spring is located in described metal sleeve and one end and withstands on after inserting the inner chamber of described striker on described spring bearer plate, and the other end of this energy-stored spring withstands on the front port of described metal sleeve; Described metal tube is coaxially connected to outside the front port of described metal sleeve; One end of described fuse is fixed on described spring bearer plate, the other end of this fuse is inserted in described metal tube through the central authorities of described energy-stored spring and the front port of described metal sleeve successively, this metal tube of distortion, makes described fuse fix and is electrically connected with the secondary melt on the described fuse member inserted in this metal tube;
Described metal sleeve is the cylinder that the little and bore of front port in large, an anterior aperture, aperture, rear portion is less than anterior aperture, and this metal sleeve is arranged in the mode of the endoporus of the projective table type contact of described rear attachment cap and is fixed the inner chamber of attachment cap in the rear by the packing ring that is sleeved on its anterior outer peripheral face and plum blossom back-up ring with its rear portion;
The front port of described metal sleeve is provided with an insulation upper shield; The other end of described energy-stored spring is enclosed within this insulating case and covers; Described metal tube is connected on the front end face of this insulation upper shield by silica gel; The other end of described fuse through being inserted in described metal tube again after the perforation of this insulation upper shield,
The rear port of described metal sleeve fixes a trim ring, and the internal diameter of this trim ring is greater than the external diameter of described striker, is less than the external diameter of the flange of striker.
2. the striker for oil fuse according to claim 1, is characterized in that, the described fuse being positioned at described energy-stored spring central authorities is also set with an insulated tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428449.3A CN103441050B (en) | 2013-09-18 | 2013-09-18 | A kind of striker for oil fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428449.3A CN103441050B (en) | 2013-09-18 | 2013-09-18 | A kind of striker for oil fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441050A CN103441050A (en) | 2013-12-11 |
| CN103441050B true CN103441050B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310428449.3A Active CN103441050B (en) | 2013-09-18 | 2013-09-18 | A kind of striker for oil fuse |
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| Country | Link |
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| CN (1) | CN103441050B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304427A (en) * | 2015-11-04 | 2016-02-03 | 成都聚智工业设计有限公司 | High-voltage fuse |
| CN108717925A (en) * | 2018-07-17 | 2018-10-30 | 西安苏熔电器有限公司 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
| CN108847380A (en) * | 2018-09-14 | 2018-11-20 | 扬州国电华欣电气设备有限公司 | A kind of high-voltage and current-limitation fuse |
| CN108987213B (en) * | 2018-09-14 | 2023-06-06 | 扬州国电华欣电气设备有限公司 | High-voltage current-limiting fuse with signaling device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655725U (en) * | 2010-03-18 | 2010-11-24 | 陕西振力电力科技有限公司 | High voltage current limiting fuse with fusing indication function |
| CN102842472A (en) * | 2012-09-11 | 2012-12-26 | 陕西振力电力科技有限公司 | Special high pressure current-limiting fuse in closed cabinet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1369890A1 (en) * | 2002-06-07 | 2003-12-10 | Abb Research Ltd. | Indicator striker device for high voltage fuse |
| US7724122B2 (en) * | 2006-11-22 | 2010-05-25 | Thomas & Betts International, Inc. | Fuse providing circuit isolation and visual interruption indication |
-
2013
- 2013-09-18 CN CN201310428449.3A patent/CN103441050B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655725U (en) * | 2010-03-18 | 2010-11-24 | 陕西振力电力科技有限公司 | High voltage current limiting fuse with fusing indication function |
| CN102842472A (en) * | 2012-09-11 | 2012-12-26 | 陕西振力电力科技有限公司 | Special high pressure current-limiting fuse in closed cabinet |
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| Publication number | Publication date |
|---|---|
| CN103441050A (en) | 2013-12-11 |
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Effective date of registration: 20151120 Address after: 200071 Shanghai city Zhabei District Qingyun Road No. 517 Applicant after: Shanghai Electric Ceramic Works Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200071 Shanghai city Zhabei District Qingyun Road No. 517 Applicant before: Shanghai Electric Ceramic Works Co., Ltd. |
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