CN1126215C - Fuse connection system for compact substations - Google Patents
Fuse connection system for compact substations Download PDFInfo
- Publication number
- CN1126215C CN1126215C CN97109925A CN97109925A CN1126215C CN 1126215 C CN1126215 C CN 1126215C CN 97109925 A CN97109925 A CN 97109925A CN 97109925 A CN97109925 A CN 97109925A CN 1126215 C CN1126215 C CN 1126215C
- Authority
- CN
- China
- Prior art keywords
- fuse
- connection system
- plug
- boss
- shell
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/0208—Tools for inserting and removing fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
Landscapes
- Fuses (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The safety connection system, for a compact transformer substation has passages and a safety plug, one of the passages has a contact piece which is used for the transformer cable. A conical opening (9) at the passage (5) towards the transformer cable. The safety plug (3) at the passage (5) has a conical shoulder (10), while the shoulder (10) is longer than the opening (9). The shoulder (10) has a passage opening (12) through it to the safety zone (11) of the safety encapsulation (2). A contact element (13) which leads to the safety zone is mounted in the said passage opening. A swing holding clip (16) at the passage (5) is to press the shoulder into the opening (9), to be fixed in place with electrical insulation.
Description
Technical field
The present invention relates to a kind of fuse connection system of small-sized transformer station, it is especially for the high pressure-high rupturing capacity-fuse box (HH-connector boxlike fuse) of small-sized transformer station band shell, in particular for the transformer station of sulphur hexafluoride isolation.
Background technology
Cicada is used for the fuse connection system of small-sized transformer station.In DE4210773A1, narrated SF6 (sulphur hexafluoride) switching device band metal shell, that compressed air is isolated, with a cylinder manifold device (compact transformer station), dress on the wall with a contact and an insulating sleeve that is used for the fuse connection system of transformer station.Fuse connection system has a fuse plug that is used for insulating sleeve that is made on the plug-in fuse shell, and one of them fuse plug is furnished with the transformer cable jockey.
By the known a kind of fuse connection system that is used to the medium-voltage switchgear of shell of DE 3244424 A1, it is contained on the switching device wall with one at least, be used for the insulating sleeve of outgoing cable heart yearn and with a square caoutchouc elasticity connector that is contained on the insulating sleeve.For with plug fuse with simple and seldom instrument in this wise in the charging apparatus, make change plug fuse can be very convenient, connector has a hole, plug fuse can insert this hole with its end.The other end with it inserts on another caoutchouc elasticity connector that is connected cable end piece.
The two ends of HH connector fuse box link to each other with the cable core of drawing or with cable end piece by contact element.The square connector has an inner chamber with a lot of holes, and one of them hole taper in this wise enlarges, and it can be inserted on the upper conical constriction of insulating sleeve.The contact element of cover by the shape connecting plate of squaring up that contact of cable core and connector fuse box links to each other, and wherein connecting plate and cable core are screwed together.
The structure of connector causes the rising of HH connector fuse box renewal cost in by the content of DE 3244424 A1.Because the big external profile surface of insulating sleeve appearance profile tool also brings certain difficulty inevitably when extracting the square plug, also be the same even use slip cream.Insulating sleeve shell surface and socket aperture must be spread grease carefully.
This purpose is by being further developed aspect operation and the relevant voltage strength when changing HH plug fuse box about installing according to EP0159515 A2.By wrapping up HH plug fuse box with a plastic tube with a determining deviation, just plastic tube moves on on the caoutchouc elasticity connector about the voltage strength problem, and is being insulated by plastic tube and connector on corresponding surface aspect the voltage.
Do the electrical switchgear of shell by the known a kind of insulating material of DE-GM1941745, with built-in plug fuse box, it is contained within the insulating material part of making fuse plug separately with its end and the metal device that is contained in the there, has a cone boss perpendicular to the taper hole of the insulating material part plug fuse box, that be used for switching device one side.In boss and insulating material part, webge contact is housed.The insulating material part of fuse one side can be coated conductive paint in the inboard.
Secondly learn a kind of jockey that is used for switching on and off cable connectors and is contained in the cover (insulating sleeve) on the electric device by DE3730613A1.This jockey comprises a so-called saddle type shell, it can link to each other with cable connectors, and can promote by a so-called bullet(s) alloy rod, also comprise can link to each other on sleeve pipe next door with electric device, be used for the saddle type outer casing supporting and releasably be fixed on a plurality of locational device on device next door, it is pressed onto on the sleeve pipe or from the sleeve pipe extrusion by its cable connectors with the leverage of an operation saddle type shell.
Learn a kind of medium-voltage switchgear of gas barrier at last by DE 3004856 A1, with an aeration vessel that contains the band grafting joint of high-voltage fuse.Container intracavity, thereby also have fuse to get involved from the outside by a seal cover of opening easily, wherein container is surrounded by a canister that is full of insulating gas other, have contact guide pin bushing (insulating sleeve) in container intracavity except that the seal cover part.The seal cover of internal container has a handle, is used as the operating parts that promotes fuse.
Summary of the invention
The object of the present invention is to provide a kind of fuse connection system of small-sized transformer station, this fuse connection system can make the installation of HH one plug fuse box and replacing become simple and convenient.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of fuse connection system of small-sized transformer station, band can be contained in the insulating sleeve on each transformer station's wall, with a contact be made in a fuse plug that is used for insulating sleeve on the fuse shell that can patch, one in the fuse plug has a jockey that is used for transformer cable, it is characterized in that: the insulating sleeve of transformer cable has a taper hole around contact dorsad, while has a cone boss that is used for the hole of making perpendicular to the fuse shell with the fuse plug that insulating sleeve matches, wherein boss is longer than taper hole, boss is provided with a hole that connects with the fuse cavity of fuse shell, in its inside a contact element that leads to the contact of fuse cavity is housed, a fixed card that can forward to above the fuse plug is housed on insulating sleeve, can be pressed in the hole by its boss, and electric insulation be fixed together.
Dorsad the insulating sleeve of transformer cable have one be contained in transformer station in the contact that is connected of electric device and a taper hole that surrounds it, the fuse plug that is subordinated to this hole simultaneously has one and makes perpendicular to the cone boss fuse shell, that match with taper hole, wherein boss is longer than taper hole, and is provided with a hole that communicate, that hold contact of the fuse cavity with the fuse shell.The contact element that leads to the fuse cavity is housed in the hole that this communicates.A fixed card that can forward on the fuse plug is housed on this external insulating sleeve, can be pressed in the taper hole, and the hole can be fixed electric insulation by its boss.
Can pull out this structure by fuse connection system after damper brake upwards rotates from insulating sleeve, the installation of HH plug fuse device and replacing can be carried out with simple mode and low expense.
Surround the fixed card of insulating sleeve and fuse plug and can make U-shaped, the end of arm at it has a compression spring separately, its bearing is made in the end of each arm, another bearing is made on the mounting flange of insulating sleeve, it to fixed card together with the tabula (with therefore also comprising fuse plug) of the arm that connects it in direction pressurization towards insulating sleeve, wherein the fixed card applied pressure can pre-determine by selection pressure spring suitably.
Bearing by a seal face and one be made in above it, form with the guiding pin of this supporting and locking, the end of each compression spring is enclosed within simple method has benefit above it.
Fixed card is by the locking of latch elements under operation conditions, and it is made in the fuse shell dorsad on the one side of boss.
The surf zone of doing an inclination on the end face of fixed card arm separately is beneficial, when it allows fixed card with this inclined-plane to be in non-operating state, that is to say leaving on the wall that is attached to transformer station on the position of fuse plug under the effect at spring force, and be fixed on this position in simple mode.
Can adorn a handle in order to operate fixed card fuse plug one side, it makes easy to operate.
Fuse plug can be made by silicon rubber, and is made of one with boss, and it has advantage from technology and mounting technology aspect.
Being contained in contact element on the boss of fuse plug, to make a contact sleeve be favourable, and it can be provided with a steam vent that leads to the fuse cavity, with convenient for assembly and unloading process.
Fuse plug can be made the sleeve pipe that holds each fuse device in fuse shell one side, and the outside bonds together with the pipe of making the fuse shell.It can be made on the fuse plug of transformer cable one side, and it can releasably be pegged graft under the effect of pretightning force, and this helps convenient and assembling fast.Wherein pipe has sliding coating on its inner surface of insertion portion, and perhaps the fuse plug of transformer cable one side has sliding coating on respective outer surfaces.
Description of drawings
By means of an embodiment the present invention is done an explanation below, and represent with three accompanying drawings.They are:
Fig. 1 is contained in the general view by the fuse connection system with a fuse shell and two fuse plugs of the present invention in the compact transformer station,
Fig. 2 is the cutaway view of the fuse plug of pressing the present invention's manufacturing of the fuse plug of cable one side dorsad,
The fuse plug of Fig. 3 cable one side.
Embodiment
Fig. 1 represents a fuse connection system 1, be contained in above it with a plug-in fuse shell 2 and two, by the fuse plug that is used for insulating sleeve 5 and 6 34 that silicon rubber is made, a wherein following fuse plug 4 has the jockey of a transformer cable 7.Above insulating sleeve 5 to be provided with a tapering in fuse shell one side be 1: 10 taper hole 9, a contact plug 8 is adorned in the inside, hole, it leads to the pressure on-load switch that does not draw and that is arranged in transformer station inside, and is formed with a convex shoulder (8a) in the fuse shell side.Being equipped with one in hole 9, to be made in tapering on the fuse plug 3 integratedly perpendicular to fuse shell 2 be 1: 10 cone boss 10, and its length is greater than taper hole.This boss 10 has a cylindrical hole 12 that leads to the fuse cavity 11 of fuse shell 2, in its inside a contact sleeve 13 that is used for contact plug 8 is housed regularly, and it is with a steam vent 14 that leads to fuse cavity 11.The internal diameter of contact sleeve 13 is corresponding to the external diameter of contact plug 8 at fuse shell one side stage rank 8a.On the mounting flange 15 of insulating sleeve 5, be equipped with one the band handle 17 fixed card (Haltebiigel) 16, it can forward to fuse plug 3 above.
Fixed card 16 is made U-shaped, is fixed on pivotally on the mounting flange 15 by a compression spring 19 respectively at its free end position (can only see one of them in Fig. 1 and Fig. 2) of arm 18.For this reason respectively at the bearing on the free end that is made in arm 18 20 be made between the bearing 21 on the mounting flange 15 compression spring 19 is housed. Bearing 20 and 21 is made up of bearing-surface 22 and the guiding pin 23 that is installed on above it respectively, and they limit compression spring 19, simultaneously with its fixing fixed card 16.The end face of arm 18 has a surf zone 25 that is inclined to 25 ° of angles, on can be in a Fig. 2 represented position that leaves fuse plug of its fixed card 16, owing to the elastic force of spring 19 is locked on the wall of transformer station, promptly is in stop position.
It at first inserts in the fuse shell 2 that can remove from transformer station in the box-packed timing of HH (HV HRC) plug fuse, then is inserted under the fuse on the plug 4 in transformer cable one side.Here HH-plug fuse box is fixed in two plugs 3 and 4, contacts with 31 conductions with contact element 13.Then fuse plug 3 is pressed in the hole 9 of insulating sleeve 5 with its boss 10, rotates under the spring pressure effect that produces in compression spring 19 compressions from its stop position by fixed card 16 to be fixed between two projectioies 26,27.Contact plug 8 inserts contact sleeve 13 (carrying out easily owing to there is steam vent 14 to become) in this process, and boss 10 is pressed in the hole, thereby realizes electric insulation.Another measure that makes boss 10 easy patchholes 9 is that boss has the sliding coating 30a that is made up of a kind of nonhygroscopic talcum powder.
Claims (15)
1. the fuse connection system of a small-sized transformer station, band can be contained in the insulating sleeve (5) on each transformer station's wall, with a contact (8) be made in a fuse plug that is used for insulating sleeve (5) (3) on the fuse shell that can patch, one in the fuse plug has a jockey that is used for transformer cable (7), it is characterized in that: the insulating sleeve of transformer cable (5) has a taper hole (9) around contact (8) dorsad, while has a cone boss that is used for hole (9) (10) of making perpendicular to fuse shell (2) with the fuse plug (3) that insulating sleeve (5) matches, wherein boss (10) is longer than taper hole (9), boss (10) is provided with a hole (12) that connects with the fuse cavity (1) of fuse shell (2), in its inside a contact element (13) that leads to the contact (8) of fuse cavity (11) is housed, a fixed card (16) that can forward to above the fuse plug (3) is housed on insulating sleeve (5), can be pressed in the hole (9) by its boss (10), and electric insulation be fixed together.
2. press the fuse connection system of claim 1, it is characterized in that: switchblade knife (16) takes the shape of the letter U, and has a compression spring (19) that loads towards transformer station's direction separately in its free end zone of arm (18), its bearing (20) is made on each arm (18), and another bearing (21) is made on the mounting flange (15) of insulating sleeve (5).
3. by the fuse connection system of claim 2, it is characterized in that: bearing (20; 21) have a seal face (22) and a guiding pin (12) that is made in above it separately, with supporting and lock pressure spring (19).
4. by the fuse connection system of claim 1, it is characterized in that: fuse plug (3) is shaped on the latch elements (26 of switchblade knife (16) dorsad on the side of boss (10); 27).
5. by claim 2,3 or 4 each fuse connection system, it is characterized in that: arm (18) has an oblique surface portion (25) on the end face (16) of its shell of fuse dorsad (2), is used for being fitted on the wall of transformer station on a position that leaves fuse plug (3).
6. by the fuse connection system of claim 2 or 3, it is characterized in that: switchblade knife (16) is provided with a handle (17).
7. by the fuse connection system of claim 1, it is characterized in that: boss (10) and hole (9) have the tapering of 1:10.
8. by each fuse connection system in the claim 1 to 4, it is characterized in that: fuse plug (3) and boss (10) are made of one, and are made by silicon rubber.
9. by the fuse connection system of claim 1, it is characterized in that: contact (8) is a pin, and contact element (13) is a cover.
10. by the fuse connection system of claim 9, it is characterized in that: contact sleeve has a steam vent (14) that leads to fuse cavity (11).
11. by the fuse connection system of claim 1 or 4, it is characterized in that: fuse plug (3) has a sleeve (28) that is used for supporting the fuse device in fuse shell one side, it bonds together with the pipe (29) that constitutes fuse shell (2).
12. by the fuse connection system of claim 11, it is characterized in that: pipe (29) is on the fuse plug (4) that can removably be inserted in transformer cable one side under the effect of pretightning force.
13. by the fuse connection system of claim 12, it is characterized in that: the fuse plug 4 of transformer cable one side has a sliding coating in the coupling part with pipe (29).
14. by the fuse connection system of claim 13, it is characterized in that: sliding coating (30) is made by silicon varnish.
15. by the fuse connection system of claim 1 or 7, it is characterized in that: boss (10) is furnished with a kind of sliding coating of being made by non-hygroscopic material (30a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19612535.9 | 1996-03-29 | ||
| DE19612535A DE19612535C1 (en) | 1996-03-29 | 1996-03-29 | Fuse connection device for compact network stations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1169048A CN1169048A (en) | 1997-12-31 |
| CN1126215C true CN1126215C (en) | 2003-10-29 |
Family
ID=7789846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97109925A Expired - Lifetime CN1126215C (en) | 1996-03-29 | 1997-03-28 | Fuse connection system for compact substations |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0798757B1 (en) |
| CN (1) | CN1126215C (en) |
| AT (1) | ATE289116T1 (en) |
| DE (2) | DE19612535C1 (en) |
| ES (1) | ES2237781T3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079355B (en) * | 2005-06-20 | 2012-04-25 | 力特保险丝有限公司 | Water resistant in-line fuse holder |
| DE102007041963B3 (en) * | 2007-09-03 | 2009-03-05 | Siemens Ag | Assembly of a switchgear assembly and a fuse assembly |
| CN103617933A (en) * | 2013-11-25 | 2014-03-05 | 希格玛电气(珠海)有限公司 | Switch cabinet fuse unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307137A (en) * | 1965-05-27 | 1967-02-28 | Mc Graw Edison Co | Conductor termination |
| DE1941745U (en) * | 1966-04-26 | 1966-07-07 | Continental Elektro Ind Ag | INSULATED ELECTRIC SWITCHGEAR. |
| US3512118A (en) * | 1968-02-02 | 1970-05-12 | Westinghouse Electric Corp | High voltage electrical connector |
| DE1941745A1 (en) * | 1968-08-22 | 1970-07-09 | Walter Clews | Device for controlling and stabilizing the direction of travel of road vehicle trailers |
| DE3004856A1 (en) * | 1980-02-09 | 1981-08-20 | Fritz Driescher Spezialfabrik für Elektrizitätswerksbedarf, 5144 Wegberg | Gas-insulated HV switching cell - has fuse retained between tube sections and suspended from insulator inside gas-filled casing |
| DE3244424A1 (en) * | 1982-12-01 | 1984-06-20 | Felten & Guilleaume Energietechnik GmbH, 5000 Köln | FUSE CONNECTING DEVICE FOR ENCLOSED MEDIUM VOLTAGE SYSTEMS |
| DE3415047A1 (en) * | 1984-04-21 | 1985-10-31 | Felten & Guilleaume Energietechnik GmbH, 5000 Köln | FUSE CONNECTING DEVICE FOR ENCLOSED MEDIUM VOLTAGE SWITCHGEAR |
| FR2607330A1 (en) * | 1986-01-21 | 1988-05-27 | Guetrelle Claude | Insulation device for HRC medium-voltage fuses |
| GB2195210B (en) * | 1986-09-12 | 1991-01-09 | Rte Corp | Connection mechanism for connecting a cable connector to a bushing |
| DE4210773C2 (en) * | 1992-04-01 | 1995-11-02 | Felten & Guilleaume Energie | Metal-enclosed, compressed gas-insulated SF¶6¶ switchgear with a busbar arrangement |
-
1996
- 1996-03-29 DE DE19612535A patent/DE19612535C1/en not_active Expired - Fee Related
-
1997
- 1997-03-11 DE DE59712192T patent/DE59712192D1/en not_active Expired - Lifetime
- 1997-03-11 EP EP97104005A patent/EP0798757B1/en not_active Expired - Lifetime
- 1997-03-11 ES ES97104005T patent/ES2237781T3/en not_active Expired - Lifetime
- 1997-03-11 AT AT97104005T patent/ATE289116T1/en not_active IP Right Cessation
- 1997-03-28 CN CN97109925A patent/CN1126215C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE289116T1 (en) | 2005-02-15 |
| EP0798757B1 (en) | 2005-02-09 |
| ES2237781T3 (en) | 2005-08-01 |
| DE59712192D1 (en) | 2005-03-17 |
| EP0798757A2 (en) | 1997-10-01 |
| EP0798757A3 (en) | 1999-02-10 |
| DE19612535C1 (en) | 1997-10-16 |
| CN1169048A (en) | 1997-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Felten & Guilleaume Energietechnic AG Applicant before: Felten and Guilleaume Energietechnik AG |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: FELTEN AND GUILLEAUME ENERGIETECHNIK AG TO: FELTEN A GUILLEAUME CO., LTD. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: OMAR SARWAR EQUIPMENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FELTEN A GUILLEAUME CO., LTD. Effective date: 20060519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060519 Address after: German Clay Field Patentee after: Ormazabal Equipment Technology S A Address before: Cologne, Germany Patentee before: Felten & Guilleaume Energietechnic AG |