CN205051238U - Solid insulation PT cabinet - Google Patents
Solid insulation PT cabinet Download PDFInfo
- Publication number
- CN205051238U CN205051238U CN201520822133.7U CN201520822133U CN205051238U CN 205051238 U CN205051238 U CN 205051238U CN 201520822133 U CN201520822133 U CN 201520822133U CN 205051238 U CN205051238 U CN 205051238U
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- China
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- transmission
- crank arm
- galianconism
- operating axis
- room
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Abstract
The utility model discloses a solid insulation PT cabinet, including bus -bar room, switch gear room, transmission room, PT room and cable chamber, its characterized in that: be provided with A, B, C three -phase mutually independent insulator in the switch gear room, the insulator internal stability seals the vacuum interrupter who has as isolator, this product green has reduced harmful gas's emission to compact structure, arc extinguishing performance, insulating properties are superior, safe and reliable more, and the security performance obtains improving.
Description
Technical field
The utility model relates to power switch field, particularly relates to a kind of solid insulation PT cabinet.
Background technology
Due to SF6 switch arc extinction performance and insulation property superior, have the advantages such as structure is simple, handling safety, volume are little, price is low, at present in the switchgear of China 10kV, SF6 switch is in occupation of mainstream market.But the impact of SF6 unimolecule on greenhouse effect is 2.2 ten thousand times of CO2 molecule, its in an atmosphere RT be 3200, be one of the 6 kinds of greenhouse gas being prohibited in Kyoto Protocol to discharge.From the angle of environmental protection, everybody is devoted to find the product that certain can substitute SF6 switchgear.And also there is the danger of this partial discharge in current PT cabinet, the Electrical Safety for operating personnel exists hidden danger.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing equipment, the utility model provides one to utilize vacuum interrupter to carry out arc extinguishing, and is insulated by epoxy resin sealing, and insulation property are superior, environmental protection, more safe and reliable solid insulation PT cabinet.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of solid insulation PT cabinet, comprises bus-bar room, switch gear room, Transmission Room, PT room and cable vault, is provided with the insulator that A, B, C three-phase is separate in described switch gear room, be sealed with the vacuum interrupter as isolating switch in described insulator.
As the further improvement of such scheme, described insulator outside surface is coated with metal coating, and outer surface passes through wired earth.
Wherein, man-operating mechanism is provided with in described Transmission Room, isolating switch transmission component and earthed switch transmission component, described man-operating mechanism comprises isolator operation axle, to turn left arm, left spring, earthed switch operating axis, to turn right arm, right spring, described man-operating mechanism is by isolator operation axle, isolator operation axle is arranged and left spring sheathed on arm of turning left controls the action of isolating switch transmission component, described man-operating mechanism is by earthed switch operating axis, on turn right arm and arm of turning right on earthed switch operating axis, sheathed right spring controls the action of earthed switch transmission component, insulated tension pole and ground connection guide rod is provided with in described insulator, described insulated tension pole upper end is connected with isolating switch transmission component, described ground connection guide rod upper end is connected with earthed switch transmission component.
Wherein, described isolating switch transmission component comprises the first galianconism pushing drawing rod, second galianconism pushing drawing rod, 3rd galianconism pushing drawing rod, first transmission crank arm, second transmission crank arm, 3rd transmission crank arm, transmission connecting plate one, transmission connecting plate two and operating axis connecting lever one, described first galianconism pushing drawing rod, second galianconism pushing drawing rod, the lower end of the 3rd galianconism pushing drawing rod respectively with A, B, each insulated tension pole upper end of C three-phase connects, described first galianconism pushing drawing rod upper end is connected with the first transmission crank arm end, second galianconism pushing drawing rod upper end is connected with second transmission crank arm one end, 3rd galianconism pushing drawing rod upper end is connected with the 3rd transmission crank arm one end, the intermediate point of described each transmission crank arm one is all fixed on transmission case, the described first transmission crank arm other end is connected with transmission connecting plate one, the described second transmission crank arm other end is connected with transmission connecting plate two and transmission connecting plate one, the described 3rd transmission crank arm other end is connected with transmission connecting plate two, described operating axis connecting lever one is fixed on isolator operation axle, described transmission connecting plate one is connected with isolator operation axle by operating axis connecting lever one with transmission connecting plate two.
Wherein, described earthed switch transmission component comprises kinematic link, rotating shaft and operating axis connecting lever two, described rotating shaft is connected with the upper end of each ground connection guide rod of A, B, C three-phase, described kinematic link one end is connected with rotating shaft one end, described operating axis connecting lever two is fixed on earthed switch operating axis, and the described kinematic link other end is connected with earthed switch operating axis by operating axis connecting lever two.
As the further improvement of such scheme, be provided with voltage transformer in described PT room, described voltage transformer and insulator adopt direct insertion docking, use silicone rubber seal between the two.
As the further improvement of such scheme, described voltage transformer surface metallization coating or employing metal-back parcel, described metal coating or metal-back pass through wired earth.
As the further improvement of such scheme, be sealed with copper busbar in described insulator, described vacuum interrupter realizes being connected by being flexible coupling with copper busbar.
As the further improvement of such scheme, described PT indoor are provided with PT end of incoming cables, described PT end of incoming cables spring and copper busbar conducting.
As the further improvement of such scheme, described copper busbar lower circumferential place is provided with sensor sensing net.
The beneficial effects of the utility model:
A kind of solid insulation PT of the utility model cabinet, the insulator that its three-phase is independently arranged, adopts vacuum interrupter to make isolating switch, environmental protection more, decreases the discharge of pernicious gas, and make compact conformation, arc extinction performance, insulation property superior; Use silicon rubber as cushioning, sealing between the voltage transformer of described PT cabinet and insulator, and adopt direct insertion connection, assemble more convenient; Described insulator and voltage transformer surface all metallizing coatings, and by wired earth, make its surface not charged, more safe and reliable, security performance is improved.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model solid insulation PT cabinet front view.
Accompanying drawing 2 is the utility model solid insulation PT cabinet cutaway views.
Accompanying drawing 3 is the utility model three phase isolated body scheme of installations side by side.
Accompanying drawing 4 is the utility model insulator structure cutaway views.
Accompanying drawing 5 is drive mechanism sectional front views of the utility model isolating switch.
Accompanying drawing 6 is drive mechanism cross-sectional rear view of the utility model earthed switch.
Accompanying drawing 7 is that enlarged diagram is docked with insulator in the utility model PT end of incoming cables.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment of the present utility model, the utility model is described further:
Referring to figs. 1 through Fig. 7, a kind of solid insulation PT cabinet, comprise bus-bar room 1, switch gear room 2, Transmission Room 3, PT room 4 and cable vault 5, it is characterized in that: in described switch gear room 2, be provided with the separate insulator of A, B, C three-phase 20, vacuum interrupter 21 is sealed with as isolating switch in described insulator 20, described insulator 20 outer surface has metal coating, and passes through wired earth.Utilize vacuum interrupter 21 to carry out arc extinguishing environmental protection, the metal level ground connection of black alkene battery outer surface improves the insulation property of product.
Man-operating mechanism is provided with in described Transmission Room 3, isolating switch transmission component and earthed switch transmission component, described man-operating mechanism comprises isolator operation axle 351, to turn left arm 301, left spring 303, earthed switch operating axis 352, to turn right arm 302, right spring 304, described man-operating mechanism is by isolator operation axle 351, isolator operation axle 351 is arranged and sheathed left spring 303 on arm 301 of turning left controls the action of isolating switch transmission component, described man-operating mechanism is by earthed switch operating axis 352, on turn right arm 302 and arm 302 of turning right on earthed switch operating axis 352, sheathed right spring 304 controls the action of earthed switch transmission component, insulated tension pole 22 and ground connection guide rod 37 is provided with in described insulator 20, described insulated tension pole 22 upper end is connected with isolating switch transmission component, described ground connection guide rod upper end 37 is connected with earthed switch transmission component.
Described isolating switch transmission component comprises the first galianconism pushing drawing rod 311, second galianconism pushing drawing rod 312, 3rd galianconism pushing drawing rod 313, first transmission crank arm 321, second transmission crank arm 322, 3rd transmission crank arm 323, transmission connecting plate 1, transmission connecting plate 2 34 and operating axis connecting lever 1, described first galianconism pushing drawing rod 311, second galianconism pushing drawing rod 312, the lower end of the 3rd galianconism pushing drawing rod 313 respectively with A, B, each insulated tension pole 22 upper end of C three-phase connects, described first galianconism pushing drawing rod 311 upper end is connected with first transmission crank arm 321 one end, second galianconism pushing drawing rod 312 upper end is connected with second transmission crank arm 322 one end, 3rd galianconism pushing drawing rod 313 upper end is connected with the 3rd transmission crank arm 323 one end, the intermediate point of described each transmission crank arm one is all fixed on transmission case, described first transmission crank arm 321 other end is connected with transmission connecting plate 1, described second transmission crank arm 322 other end is connected with transmission connecting plate 2 34 and transmission connecting plate 1, described 3rd transmission crank arm 323 other end is connected with transmission connecting plate 2 34, described operating axis connecting lever 1 is fixed on isolator operation axle 351, described transmission connecting plate 1 is connected with isolator operation axle 351 by operating axis connecting lever 1 with transmission connecting plate 2 34.
Described earthed switch transmission component comprises kinematic link 39, rotating shaft 38 and operating axis connecting lever 2 362, described rotating shaft 38 is connected with the upper end of each ground connection guide rod 37 of A, B, C three-phase, described kinematic link 39 one end is connected with rotating shaft 38 one end, described operating axis connecting lever 2 362 is fixed on earthed switch operating axis 352, and described kinematic link 39 other end is connected with earthed switch operating axis 352 by operating axis connecting lever 2 362.
Be provided with voltage transformer 40 in described PT room 4, described voltage transformer 40 adopts direct insertion docking with insulator 20, uses silicon rubber 42 as resilient coating between the two, plays sealing function simultaneously.Described voltage transformer 40 surface metallization coating or employing metal-back parcel, described metal coating or metal-back, by wired earth, make its surface not charged, more safe and reliable.Be provided with copper busbar 24 in described insulator, described vacuum interrupter 21 realizes being connected by being flexible coupling with copper busbar 24.PT end of incoming cables is provided with, described PT end of incoming cables spring 41 and copper busbar 24 conducting in described PT room 4.Described copper busbar 24 lower circumferential place is provided with sensor sensing net 25, when copper busbar 24 is charged, can induce voltage, makes the charged display device indicator light external with sensor sensing net 25 glittering, is used to indicate PT charged, improves security warning.
When isolating switch is in open position, earthed switch can action, and the mechanical process of earthed switch and isolating switch is as follows:
1) when isolating switch closes a floodgate: the isolator operation axle 351 on the left side that turns clockwise, left spring 303 is by compressed energy-storage, when arm 301 of turning left rotates past lowermost end, left spring 303 is by maximum compression, now spring starts to reply, promotion turns left arm 301, isolator operation axle 351 together along the continuation rotation of former direction, make to be fixed on operating axis connecting lever 1 above isolator operation axle 351 also along with rotation, operating axis connecting lever 1 promote transmission win in succession 1 and transmission win 2 34 in succession to left movement, because transmission wins one 33 in succession, transmission is won in succession and 2 34 is connected to the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 long-armed, and the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 intermediate point are fixed on transmission case, therefore the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 rotate around intermediate point, respectively with the first transmission crank arm 321, the first galianconism pushing drawing rod 311 that second transmission crank arm 322 is connected with the 3rd transmission crank arm 323, the insulated tension pole 22 that second galianconism pushing drawing rod 312 and the 3rd galianconism pushing drawing rod 313 promote each phase of ABC moves downward, vacuum interrupter 21 moving contact and fixed contact are closed, 23 are led by being flexible coupling, copper busbar 24, spring 41 conducting is to voltage transformer 40, it is made normally to work.
2) during isolating switch separating brake: the isolator operation axle 351 being rotated counterclockwise the left side, left spring 303 is by compressed energy-storage, when arm 301 of turning left rotates past lowermost end, left spring 303 is by maximum compression, now spring starts to reply, turn left arm 301, isolator operation axle 351 of promotion continues along former direction to rotate together, makes to be fixed on connecting lever 361 above isolator operation axle 351 also along with rotation, operating axis connecting lever 1 promote transmission win in succession 1 and transmission win in succession and 2 34 to move right, because transmission wins one 33 in succession, transmission is won in succession and 2 34 is connected to the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 long-armed, and the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 intermediate point are fixed on transmission case, therefore the first transmission crank arm 321, second transmission crank arm 322 and the 3rd transmission crank arm 323 rotate around intermediate point, respectively with the first transmission crank arm 321, the first galianconism pushing drawing rod 311 that second transmission crank arm 322 is connected with the 3rd transmission crank arm 323, the insulated tension pole 22 that second galianconism pushing drawing rod 312 and the 3rd galianconism pushing drawing rod 313 promote each phase of ABC moves upward, the moving contact of vacuum interrupter 21 is separated with fixed contact, voltage transformer 40 power-off is quit work.
3) earthed switch closes a floodgate: the earthed switch operating axis 352 on the right that turns clockwise, right spring 304 compressed energy-storage, when arm 302 of turning right rotates past lowermost end, right spring 304 is by maximum compression, now right spring 304 starts to reply, promotion is turned right arm 302, earthed switch operating axis 352 continues to rotate along former direction together, make to be fixed on connecting lever 362 above earthed switch operating axis 352 also along with rotation, promote kinematic link 39 to move downward, the rotating shaft 38 be connected with kinematic link 39 is rotated, promote ground connection guide rod 37 to move downward, contact copper busbar 24, voltage transformer 40 and cabinet are connected, be grounded.
4) grounding switch tripping: the earthed switch operating axis 352 being rotated counterclockwise the right, right spring 304 compressed energy-storage, when arm 302 of turning right rotates past lowermost end, right spring 304 is by maximum compression, now right spring 304 starts to reply, promotion is turned right arm 302, ground switching manipulation axle 352 continues to rotate along former direction together, make to be fixed on connecting lever 362 above earthed switch operating axis 352 also along with rotation, kinematic link 39 is pulled to move upward, the rotating shaft 38 be connected with kinematic link 39 is rotated, ground connection guide rod 37 is pulled to move upward, away from copper busbar 24, voltage transformer 40 and cabinet are disconnected, ground connection separating brake.
More than that preferred embodiment of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. a solid insulation PT cabinet, comprise bus-bar room (1), switch gear room (2), Transmission Room (3), PT room (4) and cable vault (5), it is characterized in that: in described switch gear room (2), be provided with the separate insulator of A, B, C three-phase (20), in described insulator (20), be sealed with the vacuum interrupter (21) as isolating switch.
2. a kind of solid insulation PT cabinet according to claim 1, is characterized in that: described insulator (20) outer surface has metal coating, and outer surface passes through wired earth.
3. a kind of solid insulation PT cabinet according to claim 1, it is characterized in that: described Transmission Room is provided with man-operating mechanism in (3), isolating switch transmission component and earthed switch transmission component, described man-operating mechanism comprises isolator operation axle (351), to turn left arm (301), left spring (303), earthed switch operating axis (352), to turn right arm (302), right spring (304), described man-operating mechanism is by isolator operation axle (351), the upper action that is that arrange and arm (301) of turning left upper sheathed left spring (303) control isolating switch transmission component of isolator operation axle (351), described man-operating mechanism is by earthed switch operating axis (352), arm of turning right (302) on earthed switch operating axis (352) and the upper sheathed right spring (304) of arm of turning right (302) control the action of earthed switch transmission component, insulated tension pole (22) and ground connection guide rod (37) is provided with in described insulator (20), described insulated tension pole (22) upper end is connected with isolating switch transmission component, described ground connection guide rod (37) upper end is connected with earthed switch transmission component.
4. a kind of solid insulation PT cabinet according to claim 3, it is characterized in that: described isolating switch transmission component comprises the first galianconism pushing drawing rod (311), second galianconism pushing drawing rod (312), 3rd galianconism pushing drawing rod (313), first transmission crank arm (321), second transmission crank arm (322), 3rd transmission crank arm (323), transmission connecting plate one (33), transmission connecting plate two (34) and operating axis connecting lever one (361), described first galianconism pushing drawing rod (311), second galianconism pushing drawing rod (312), the lower end of the 3rd galianconism pushing drawing rod (313) respectively with A, B, each insulated tension pole (22) upper end of C three-phase connects, described first galianconism pushing drawing rod (311) upper end is connected with the first transmission crank arm (321) one end, second galianconism pushing drawing rod (312) upper end is connected with the second transmission crank arm (322) one end, 3rd galianconism pushing drawing rod (313) upper end is connected with the 3rd transmission crank arm (323) one end, the intermediate point of described each transmission crank arm one is all fixed on transmission case, described first transmission crank arm (321) other end is connected with transmission connecting plate one (33), described second transmission crank arm (322) other end is connected with transmission connecting plate two (34) and transmission connecting plate one (33), described 3rd transmission crank arm (323) other end is connected with transmission connecting plate two (34), described operating axis connecting lever one (361) is fixed on isolator operation axle (351), described transmission connecting plate one (33) is connected with isolator operation axle (351) by operating axis connecting lever one (361) with transmission connecting plate two (34).
5. a kind of solid insulation PT cabinet according to claim 3, it is characterized in that: described earthed switch transmission component comprises kinematic link (39), rotating shaft (38) and operating axis connecting lever two (362), described rotating shaft (38) is connected with the upper end of each ground connection guide rod (37) of A, B, C three-phase, described kinematic link (39) one end is connected with rotating shaft (38), described operating axis connecting lever two (362) is fixed on earthed switch operating axis (352), and described kinematic link (39) other end is connected with earthed switch operating axis (352) by operating axis connecting lever two (362).
6. a kind of solid insulation PT cabinet according to claim 1, it is characterized in that: in described PT room (4), be provided with voltage transformer (40), described voltage transformer (40) adopts direct insertion docking with insulator (20), uses silicon rubber (42) to seal between the two.
7. a kind of solid insulation PT cabinet according to claim 6, is characterized in that: described voltage transformer (40) surface metallization coating or employing metal-back parcel, described metal coating or metal-back pass through wired earth.
8. a kind of solid insulation PT cabinet according to claim 1, it is characterized in that: be sealed with copper busbar (24) in described insulator, described vacuum interrupter (21) realizes being connected by being flexible coupling with copper busbar (24).
9. a kind of solid insulation PT cabinet according to claim 8, is characterized in that: be provided with PT end of incoming cables in described PT room (4), described PT end of incoming cables spring (41) and copper busbar (24) conducting.
10. a kind of solid insulation PT cabinet according to claim 8, is characterized in that: described copper busbar (24) lower circumferential place is provided with sensor sensing net (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822133.7U CN205051238U (en) | 2015-10-20 | 2015-10-20 | Solid insulation PT cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822133.7U CN205051238U (en) | 2015-10-20 | 2015-10-20 | Solid insulation PT cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051238U true CN205051238U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520822133.7U Expired - Fee Related CN205051238U (en) | 2015-10-20 | 2015-10-20 | Solid insulation PT cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051238U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810500A (en) * | 2016-06-08 | 2016-07-27 | 罗浩 | Vacuum circuit breaker with good insulating property |
| CN106848867A (en) * | 2017-03-09 | 2017-06-13 | 泰豪科技股份有限公司 | A kind of solid insulation isolates PT cabinets |
| CN108258608A (en) * | 2017-12-15 | 2018-07-06 | 北京双杰电气股份有限公司 | A kind of solid insulation metering cabinet |
| CN108306208A (en) * | 2017-12-14 | 2018-07-20 | 北京双杰电气股份有限公司 | A kind of solid insulation PT cabinets |
-
2015
- 2015-10-20 CN CN201520822133.7U patent/CN205051238U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810500A (en) * | 2016-06-08 | 2016-07-27 | 罗浩 | Vacuum circuit breaker with good insulating property |
| CN106848867A (en) * | 2017-03-09 | 2017-06-13 | 泰豪科技股份有限公司 | A kind of solid insulation isolates PT cabinets |
| CN108306208A (en) * | 2017-12-14 | 2018-07-20 | 北京双杰电气股份有限公司 | A kind of solid insulation PT cabinets |
| CN108258608A (en) * | 2017-12-15 | 2018-07-06 | 北京双杰电气股份有限公司 | A kind of solid insulation metering cabinet |
| CN108258608B (en) * | 2017-12-15 | 2020-08-04 | 北京双杰电气股份有限公司 | Solid insulation measurement cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20201020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |