CN103368096B - Solid insulation ring main unit - Google Patents
Solid insulation ring main unit Download PDFInfo
- Publication number
- CN103368096B CN103368096B CN201310259116.2A CN201310259116A CN103368096B CN 103368096 B CN103368096 B CN 103368096B CN 201310259116 A CN201310259116 A CN 201310259116A CN 103368096 B CN103368096 B CN 103368096B
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- dielectric chamber
- isolation
- switch
- vacuum
- switch tube
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- 238000009413 insulation Methods 0.000 title claims abstract description 77
- 239000007787 solid Substances 0.000 title claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 80
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 9
- 230000005283 ground state Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The invention discloses a kind of solid insulation ring main unit, comprise high voltage switch unit, high voltage switch unit comprises vacuum interrupter and isolation earthing switch device, isolation earthing switch device comprises dielectric chamber, dielectric chamber is provided with leading-out terminal, earth terminal and the end of incoming cables be electrically connected with described moving conductive rod, in dielectric chamber or outside is installed with earthy vacuum switch tube, fixed contact and the earth terminal of earthy vacuum switch tube are electrically connected, its moving contact has ground connection wire connecting portion, the moving contact upper driving of earthy vacuum switch tube is connected with ground connection operating mechanism, also isolation switch is provided with in dielectric chamber, one end of isolation switch is the hinged end be hinged on leading-out terminal, the other end is contact jaw, isolation switch upper driving is connected with driving mechanism.By controlling the on off operating mode of dynamic and static contact in the swing of isolation switch and earthy vacuum switch tube, realizing isolation earthing switch device and being in different operating modes.
Description
Technical field
The present invention relates to a kind of solid insulation ring main unit.
Background technology
The insulation mode of the isolated switchgear on existing ring main unit high-voltage switch unit mainly contains air insulation, gas-insulated and solid insulation three kinds of forms, wherein, solid insulation switch adopts solid insulating material as the switchgear of main insulation medium, it is little that solid insulation switch has volume, dielectric strength is high, the feature such as environmentally friendly is the main direction of studying of isolated switchgear later.
Be disclose a kind of solid insulation switch in the Chinese invention patent application Publication Specification of CN102110956A at application publication number, comprise the insulation shell be made up of solid insulating material, insulation shell is provided with bus terminals, in the inner chamber of insulation shell, vacuum interrupter is installed, static conductive rod and the bus terminals of vacuum interrupter are electrically connected, and the moving conductive rod of vacuum interrupter is driven to move up and down by operating mechanism and to contact with static conductive rod, disconnect.Isolation earthing switch device is also furnished with in the inner chamber of insulation shell, isolation earthing switch device comprises dielectric chamber, the top of dielectric chamber is installed with the end of incoming cables be electrically connected with the moving conductive rod of vacuum interrupter, middle part is installed with outlet casing tube, bottom is installed with earth terminal, the bottom of dielectric chamber is provided with earthy vacuum switch tube, the static contact seat be electrically connected with earth terminal that earthy vacuum switch tube comprises the moving contact on top and bottom, be furnished with in dielectric chamber and be flexible coupling the conductive moving contact be electrically connected with outlet casing tube by copper bar, conductive moving contact is driven by direct acting drive unit and moves along the vertical direction in isolated chambers, direct acting drive unit comprises the insulated tension pole extended along the vertical direction that is in transmission connection with conductive moving contact and for driving the power-driven mechanism of insulated tension pole movement along the vertical direction, conductive moving contact move up put in place after be electrically connected with end of incoming cables, conductive moving contact move down put in place after be electrically connected with the moving contact of earthy vacuum switch tube.
During use, after moving conductive rod and static conductive rod are connected, insulated tension pole carried by direct acting drive unit, conductive moving contact and end of incoming cables are electrically connected, and bus terminals and leading-out terminal are electrically connected, and solid insulation switch is in connected state.After moving conductive rod and static conductive rod disconnect, direct acting drive unit presses down insulated tension pole, and the moving contact of conductive moving contact and earthy switch is electrically connected, and now earthy vacuum switch tube is in off-state, and solid insulation switch is in isolation.Continue to press down insulated tension pole, force dynamic the touching of earthy vacuum switch tube to move down to be electrically connected with the static contact seat of earthy vacuum switch tube, leading-out terminal and earth terminal are electrically connected, and solid insulation switch is in ground state.
Need by driving conductive moving contact along the vertical direction respectively at three station work and then three different conditions realizing isolation earthing switch device in above-mentioned isolation earthing switch device, but this mobile accuracy of control mode to conductive moving contact arranging three stations at straight line respectively requires higher, easily occur because conductive moving contact crosses station after moving in working control process and cause misoperation or do not arrive correct station and cause operation failure, all can affect the normal work of isolation earthing switch device.
Summary of the invention
The object of this invention is to provide a kind of solid insulation ring main unit, use direct acting drive unit to drive conductive moving contact to move at straight line the technical problem that different stations causes easily occurring misoperation to solve in prior art.
For achieving the above object, the technical scheme of solid insulation ring main unit provided by the present invention is: solid insulation ring main unit, comprise high voltage switch unit, high voltage switch unit comprises the vacuum interrupter and isolation earthing switch device with moving conductive rod, isolation earthing switch device comprises dielectric chamber, dielectric chamber is provided with leading-out terminal, earth terminal and the end of incoming cables be electrically connected with described moving conductive rod, in described dielectric chamber or outside is installed with the earthy vacuum switch tube with moving contact and fixed contact, fixed contact and the described earth terminal of earthy vacuum switch tube are electrically connected, its moving contact has ground connection wire connecting portion, the moving contact upper driving of earthy vacuum switch tube is connected with the ground connection operating mechanism for driving moving contact and fixed contact break-make, also isolation switch is provided with in dielectric chamber, one end of isolation switch is be hinged on the hinged end on described leading-out terminal, the other end is contact jaw, isolation switch upper driving be connected with for driving isolation disconnecting link setting stroke on swing to make the contact jaw of isolation switch respectively with described end of incoming cables, the driving mechanism of earth terminal conductive contact.
Described driving mechanism comprises rotation and is located in the rotation axis arranged on dielectric chamber and with the hinged central axis coaxial of isolation switch, one end penetrating dielectric chamber of rotation axis is the clutch end be in transmission connection with isolation switch, and one end passing dielectric chamber of rotation axis is power intake.
Described leading-out terminal is arranged on the lower end of dielectric chamber, and described earth terminal and end of incoming cables are positioned at the upper end of dielectric chamber.
On described dielectric chamber, corresponding described earth terminal offers vacuum switch tube jack, the described earthy vacuum switch tube be arranged at outside dielectric chamber is installed in vacuum switch tube jack place, insulation grafting cover is coated with in the periphery of earthy vacuum switch tube, the two ends up and down of insulation grafting cover are respectively equipped with moving for earthy vacuum switch tube, the perforation that fixed contact passes, the fixed contact of earthy vacuum switch tube penetrates in described vacuum switch tube jack to be electrically connected with described earth terminal, the lower end passed for fixed contact of insulation grafting cover have extend along fixed contact seal the insulation inserting section of inserting with described vacuum switch tube jack.
On described dielectric chamber, corresponding described end of incoming cables offers vacuum interrupter jack, described vacuum interrupter is installed in vacuum interrupter jack, the periphery of vacuum interrupter is coated with insulation inserting cover, the two ends up and down of insulation inserting cover are respectively equipped with moving for vacuum interrupter, the perforation that static conductive rod passes, the static conductive rod of vacuum interrupter is powered with bus, the moving conductive rod of vacuum interrupter penetrates in described vacuum interrupter jack to be electrically connected with described end of incoming cables, have in the lower end passed for moving conductive rod of insulation inserting cover extend along moving conductive rod seal the insulation inserting section of inserting with described vacuum interrupter jack, moving in described dielectric chamber is equipped with along the axially extended insulated tension pole of moving conductive rod, one end penetrating dielectric chamber of insulated tension pole is the clutch end be in transmission connection with moving conductive rod, the other end is power intake.
Described dielectric chamber, described in be coated on earthy vacuum switch tube periphery insulation grafting cover and the outer surface of the insulation inserting cover that is coated on vacuum interrupter periphery be all covered with conductive shielding layer for ground connection or semiconductive screen.
Described dielectric chamber inside is provided with the transducer of gas-condition in the inner chamber for detecting dielectric chamber.
Described dielectric chamber offers the observation window for observing isolation switch position.
Usefulness of the present invention is: the earth terminal in the isolation earthing switch device in solid insulation ring main unit provided by the present invention and the fixed contact of earthy vacuum switch tube are electrically connected, isolation switch in dielectric chamber by driving mechanism drive lay out line end swing in dielectric chamber with respectively with end of incoming cables, earth terminal conductive contact, when the station that the contact jaw that isolation switch turns to isolation switch contacts with end of incoming cables, end of incoming cables and leading-out terminal conducting, isolation earthing switch device is in "on" position, and when the station that the contact jaw that isolation switch turns to isolation switch contacts with earth terminal, end of incoming cables and earth terminal conducting, now, when ground connection operating mechanism controls the dynamic of earthy vacuum switch tube, when fixed contact is in open position, isolation earthing switch device is in separating brake isolation, and when ground connection operating mechanism controls the dynamic of earthy vacuum switch tube, during fixed contact conducting, isolation switch device is then in ground state.By controlling the on off operating mode of dynamic and static contact in the swing of isolation switch and earthy vacuum switch tube, realizing isolation earthing switch device and being in different operating modes.From the course of work of above-mentioned isolation earthing switch device, isolation switch has a station contacted with end of incoming cables and a station contacted with earth terminal in swing process, such isolation switch only has two stations, the oscillating stroke of isolation switch is set to make two stations of isolation switch just in time corresponding with two ends of oscillating stroke according to the position of two stations, isolation switch is just in time made to be on suitable station when driving mechanism driving isolation disconnecting link swings to the end of setting stroke, require lower to the control precision of driving mechanism and isolation switch, be not easy to occur misoperation, and then effectively can ensure the normal work of isolation earthing switch device and high voltage switch unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of solid insulation ring main unit provided by the present invention;
Fig. 2 is the structural representation that high voltage switch unit in solid insulation ring main unit shown in Fig. 1 is in separating brake isolation;
Fig. 3 is the structural representation that high voltage switch unit in solid insulation ring main unit shown in Fig. 1 is in ground state.
Embodiment
As shown in Figure 1, a kind of embodiment of solid insulation ring main unit, the solid insulation switch in this embodiment comprises high voltage switch unit, and high voltage switch unit comprises isolation earthing switch device and vacuum interrupter 3.1.
Isolation earthing switch device comprises the dielectric chamber 100 be made up of solid insulating material, solid insulating material is herein epoxy resin, dielectric chamber 100 comprises upper cavity 1 that lower end is opening and is fixed together with upper cavity and forms the lower shrouding 2 of closed cavity, is provided with hermetically-sealed construction to realize inner chamber and the external environs of dielectric chamber between lower shrouding 2 and upper cavity 1.
The vacuum interrupter jack 1.1 for assembling vacuum interrupter and the vacuum switch tube jack 1.2 for assembling earthy vacuum switch tube 4.1 is respectively equipped with in the upper end of the upper cavity 1 of dielectric chamber 100, two jacks all extend towards the inner chamber of dielectric chamber 100, be installed with end of incoming cables 1.3 in the lower end of vacuum interrupter jack 1.1, the lower end of vacuum switch tube jack 1.2 is provided with earth terminal 1.4.The lower shrouding 2 of dielectric chamber 100 is installed with outlet conductor 2.3, and inner chamber one end extending into dielectric chamber 100 of outlet conductor 2.3 is leading-out terminal 2.2, and this is in and lower shrouding 2 lays out line end 2.2 in leading-out terminal 2.2 outer ring is provided with full skirt 2.4.The leading-out terminal 2.2 of outlet conductor 2.3 is hinged with isolation switch 2.1, isolation switch 2.1 is arranged in the inner chamber of dielectric chamber 100, one end of isolation switch 2.1 is be hinged on the hinged end on the leading-out terminal 2.2 of outlet conductor 2.3, the other end is the contact jaw 2.10 for being electrically connected with end of incoming cables and earth terminal, isolation switch 2.1 upper driving be connected with for driving isolation disconnecting link setting stroke on swing to make the contact jaw 2.10 of isolation switch respectively with described end of incoming cables 1.3, the driving mechanism of earth terminal 1.4 conductive contact, when isolation switch 2.1 turn to setting stroke two ends time just in time respectively with end of incoming cables 1.3 and earth terminal 1.4 conductive contact.Driving mechanism comprises rotating and to be located on dielectric chamber and the rotation axis arranged with the hinged central axis coaxial of isolation isolation switch, one end penetrating dielectric chamber of rotation axis is the clutch end swung with driving isolation disconnecting link that is in transmission connection with isolation switch 2.1, and one end passing dielectric chamber of rotation axis is power intake.
Isolation earthing device also comprises the earthy vacuum switch tube 4.1 being installed in vacuum switch tube jack 1.2 place, earthy vacuum switch tube 4.1 has moving contact 4.2 and the fixed contact 4.3 for being electrically connected with earth terminal, wherein, moving contact 4.2 has the grounding points for ground connection, and this moving contact 4.2 upper driving is connected with the ground connection operating mechanism for driving moving contact and fixed contact break-make, the periphery of earthy vacuum switch tube 4.1 is coated with insulation grafting cover 4.5, and resilient coating 4.4 is filled with between earthy vacuum switch tube 4.1 and insulation grafting overlap 4.5, the two ends up and down of insulation grafting cover 4.5 and resilient coating 4.4 are respectively equipped with moving for earthy vacuum switch tube, the perforation that fixed contact passes, the fixed contact 4.3 of earthy vacuum switch tube 4.1 penetrates in described vacuum switch tube jack 1.2 to be electrically connected with described earth terminal 1.4, in the lower end supplying fixed contact to pass of insulation grafting cover 4.5, there is the insulation inserting section 4.6 extended along fixed contact, this insulation inserting section 4.6 seals inserting with vacuum switch tube jack 1.2, earthy vacuum switch tube 4.1 is installed on dielectric chamber 100 with the inserting of vacuum switch tube jack 1.2 by insulation inserting section 4.6.Ground shield is covered with in the outside of insulation grafting cover 4.5.
Vacuum interrupter 3.1 is equipped with at vacuum interrupter jack 1.1 place of upper cavity 1, vacuum interrupter 3.1 is installed in outside dielectric chamber 100, the periphery of vacuum interrupter 3.1 is coated with the insulation inserting cover 3.3 of solid, earthy screen is covered with at the outer surface of insulation inserting cover 3.3, and resilient coating 3.2 is filled with between vacuum interrupter 3.1 and insulation inserting overlap 3.3, the moving conductive rod 3.8 supplying vacuum interrupter 3.1 is respectively equipped with at the two ends up and down of insulation inserting cover 3.3 and resilient coating 3.2, the perforation that static conductive rod 3.7 passes, the static conductive rod 3.7 of vacuum interrupter 3.1 passes and is electrically connected with plug-in type bus 5, the moving conductive rod 3.8 of vacuum interrupter 3.1 then penetrates in vacuum interrupter jack 1.1 to be electrically connected with end of incoming cables 1.3, have in the lower end of moving conductive rod 3.8 of the corresponding vacuum interrupter 3.1 of insulation inserting cover 3.3 extend along this moving conductive rod 3.8 seal with described jack the insulation inserting section 3.5 that grafting coordinates, vacuum interrupter 3.1 is installed on dielectric chamber 100 with the sealing inserting of vacuum interrupter jack 1.1 by insulation inserting section 3.5.The mobile axially extended insulated tension pole 3.6 of moving conductive rod 3.8 be equipped with along vacuum interrupter 3.1 in dielectric chamber 100, one end penetrating dielectric chamber 100 of insulated tension pole 3.6 is the clutch end, the other end that are in transmission connection with moving conductive rod 3.8 is power intake, and the power intake of insulated tension pole is connected with vacuum interrupter operating mechanism.Lower shrouding 2 offers the handle hole 2.5 passed for insulated tension pole 3.6, between handle hole 2.5 and insulated tension pole 3.6, is provided with hermetically-sealed construction.
Above-mentioned plug-in type bus 5 adopts solid material coated insulation, and surface is provided with earthy screen, and is provided with inserted joint casing, being electrically connected of the static conductive rod 3.7 of plug-in type bus 5 and vacuum interrupter.
Above-mentioned outlet conductor 2.3 is powered with outlet switching conductor 6, this outlet switching conductor 6 adopts solid material coated insulation, surface is provided with earthy screen, the outlet conductor 2.3 that outlet is transferred on conductor 6 one end and lower shrouding 2 is electrically connected, the other end is provided with cable connection termination 6.2, realizes connecting with service cable.
In the present embodiment, screen for ground connection is all covered with at the outer surface of dielectric chamber 100, the insulation grafting cover 4.5 being coated on earthy vacuum switch tube 4.1 periphery and the insulation inserting cover 3.3 that is coated on vacuum interrupter 3.1, the screen of this ground connection is conductive shielding layer or semiconductive shielding layer, conductive shielding layer or semiconductive shielding layer reliable ground after connection, palp position reliable ground is recognized in guarantee, effectively can ensure the personal safety of maintainer.
In the present embodiment, the transducer 1.5 of gas-condition in the inner chamber that dielectric chamber 100 inside is provided with for detecting dielectric chamber.And on dielectric chamber 100, offer observation window 1.9, so that operating personnel observe the position of isolation switch.
The inner chamber of the insulation shell 1 provided in the present embodiment is near closed hollow ring, can ensure effective not by external environment condition of each parts in solid insulation switch, make solid insulation switch can under filthy and that condensation is more serious environmental condition reliably working.
Be illustrated in figure 1 isolation earthing switch device and be in "on" position, in this condition, the dynamic and static contact that ground connection operating mechanism controls in earthy vacuum switch tube 4.1 disconnects, the moving conductive rod of vacuum interrupter 3.1 contacts with static conductive rod, vacuum interrupter 3.1 closes a floodgate, rotation axis drives isolation switch 2.1 to turn to and end of incoming cables 1.3 conductive contact, plug-in type bus 5 is connected with leading-out terminal 2.2 by quiet, the moving conductive rod of vacuum interrupter 3.1 and end of incoming cables 1.3, now, isolation earthing switch device is in "on" position.
Be illustrated in figure 2 isolation earthing switch and be in gate-dividing state, in this condition, the dynamic and static contact that ground connection operating mechanism controls in earthy vacuum switch tube 4.1 disconnects, the moving conductive rod of vacuum interrupter 3.1 and static conductive rod disconnect, vacuum interrupter 3.1 separating brake, and rotation axis drives isolation switch 2.1 to turn to and earth terminal 1.4 conductive contact, end of incoming cables 1.3 and leading-out terminal 2.2 disconnect, leading-out terminal 2.2 and earth terminal 1.4 conducting, now, isolation earthing switch device is in gate-dividing state.
Be illustrated in figure 3 isolation earthing switch and be in ground state, in this condition, ground connection operating mechanism controls the dynamic and static contact conducting in earthy vacuum switch tube 4.1, the moving conductive rod of vacuum interrupter 3.1 and static conductive rod disconnect, vacuum interrupter 3.1 separating brake, and rotation axis drives isolation switch 2.1 to turn to and earth terminal 1.4 conductive contact, end of incoming cables 1.3 and leading-out terminal 2.2 disconnect, leading-out terminal 2.2 and earth terminal 1.4 conducting, now, isolation earthing switch device is in ground state.
In other embodiments of the invention, the driving mechanism that driving isolation disconnecting link rotates can also adopt drag link transmission mechanism of the prior art.
Claims (8)
1. solid insulation ring main unit, comprise high voltage switch unit, high voltage switch unit comprises the vacuum interrupter and isolation earthing switch device with moving conductive rod, isolation earthing switch device comprises the dielectric chamber be made up of solid insulating material, dielectric chamber is provided with leading-out terminal, earth terminal and the end of incoming cables be electrically connected with described moving conductive rod, it is characterized in that: in described dielectric chamber or outside is installed with the earthy vacuum switch tube with moving contact and fixed contact, fixed contact and the described earth terminal of earthy vacuum switch tube are electrically connected, its moving contact has ground connection wire connecting portion, the moving contact upper driving of earthy vacuum switch tube is connected with the ground connection operating mechanism for driving moving contact and fixed contact break-make, also isolation switch is provided with in dielectric chamber, one end of isolation switch is be hinged on the hinged end on described leading-out terminal, the other end is contact jaw, isolation switch upper driving be connected with for driving isolation disconnecting link setting stroke on swing to make the contact jaw of isolation switch respectively with described end of incoming cables, the driving mechanism of earth terminal conductive contact.
2. solid insulation ring main unit according to claim 1, it is characterized in that: described driving mechanism comprises rotation and is located in the rotation axis arranged on dielectric chamber and with the hinged central axis coaxial of isolation switch, one end penetrating dielectric chamber of rotation axis is the clutch end be in transmission connection with isolation switch, and one end passing dielectric chamber of rotation axis is power intake.
3. solid insulation ring main unit according to claim 2, is characterized in that: described leading-out terminal is arranged on the lower end of dielectric chamber, and described earth terminal and end of incoming cables are positioned at the upper end of dielectric chamber.
4. the solid insulation ring main unit according to claim 1 or 2 or 3, it is characterized in that: on described dielectric chamber, corresponding described earth terminal offers vacuum switch tube jack, the described earthy vacuum switch tube be arranged at outside dielectric chamber is installed in vacuum switch tube jack place, insulation grafting cover is coated with in the periphery of earthy vacuum switch tube, the two ends up and down of insulation grafting cover are respectively equipped with moving for earthy vacuum switch tube, the perforation that fixed contact passes, the fixed contact of earthy vacuum switch tube penetrates in described vacuum switch tube jack to be electrically connected with described earth terminal, the lower end passed for fixed contact of insulation grafting cover have extend along fixed contact seal the insulation inserting section of inserting with described vacuum switch tube jack.
5. solid insulation ring main unit according to claim 4, it is characterized in that: on described dielectric chamber, corresponding described end of incoming cables offers vacuum interrupter jack, described vacuum interrupter is installed in vacuum interrupter jack, the periphery of vacuum interrupter is coated with insulation inserting cover, the two ends up and down of insulation inserting cover are respectively equipped with moving for vacuum interrupter, the perforation that static conductive rod passes, the static conductive rod of vacuum interrupter is powered with bus, the moving conductive rod of vacuum interrupter penetrates in described vacuum interrupter jack to be electrically connected with described end of incoming cables, have in the lower end passed for moving conductive rod of insulation inserting cover extend along moving conductive rod seal the insulation inserting section of inserting with described vacuum interrupter jack, moving in described dielectric chamber is equipped with along the axially extended insulated tension pole of moving conductive rod, one end penetrating dielectric chamber of insulated tension pole is the clutch end be in transmission connection with moving conductive rod, the other end is power intake.
6. solid insulation ring main unit according to claim 5, is characterized in that: described dielectric chamber, described in be coated on earthy vacuum switch tube periphery insulation grafting cover and the outer surface of the insulation inserting cover that is coated on vacuum interrupter periphery be all covered with conductive shielding layer for ground connection or semiconductive screen.
7. the solid insulation ring main unit according to claim 1 or 2 or 3, is characterized in that: described dielectric chamber inside is provided with the transducer of gas-condition in the inner chamber for detecting dielectric chamber.
8. the solid insulation ring main unit according to claim 1 or 2 or 3, is characterized in that: described dielectric chamber offers the observation window for observing isolation switch position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259116.2A CN103368096B (en) | 2013-06-26 | 2013-06-26 | Solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259116.2A CN103368096B (en) | 2013-06-26 | 2013-06-26 | Solid insulation ring main unit |
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| Publication Number | Publication Date |
|---|---|
| CN103368096A CN103368096A (en) | 2013-10-23 |
| CN103368096B true CN103368096B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310259116.2A Active CN103368096B (en) | 2013-06-26 | 2013-06-26 | Solid insulation ring main unit |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681092B (en) * | 2013-11-29 | 2016-05-25 | 国家电网公司 | Solid insulation isolation earthing switch device and sealing unit thereof |
| CN104319167B (en) * | 2014-11-11 | 2016-08-17 | 厦门理工学院 | The double vacuum interrupter of epoxy resin sealing |
| CN104917095B (en) * | 2015-06-26 | 2017-11-14 | 协成科技股份有限公司 | The full station isolation circuit breakers of clad type three |
| CN105305284A (en) * | 2015-12-01 | 2016-02-03 | 高亮敏 | Solid ring main unit |
| CN106786115B (en) * | 2017-02-05 | 2018-08-07 | 常州太平洋电力设备(集团)有限公司 | Solid insulation switch cabinet structure |
| CN108321001B (en) * | 2018-02-09 | 2023-11-07 | 浙江华仪电器科技有限公司 | Three-station switch |
| CN108321002B (en) * | 2018-02-09 | 2023-11-07 | 浙江华仪电器科技有限公司 | Three station mechanisms of isolated ground |
| CN108155040B (en) * | 2018-02-09 | 2023-11-14 | 浙江华仪电器科技有限公司 | Ring main unit with three-station switch |
| CN111917016B (en) * | 2020-08-12 | 2022-05-27 | 杭州万禾电力科技有限公司 | Large capacity looped netowrk cabinet of insulating mode of environment-friendly |
| CN112397339A (en) * | 2020-10-15 | 2021-02-23 | 江苏超越新能源科技集团股份有限公司 | Circuit breaking device and novel outdoor vacuum circuit breaker |
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| CN201498869U (en) * | 2009-09-02 | 2010-06-02 | 江苏帝一集团有限公司 | Vacuum ring main unit |
| CN102110956A (en) * | 2010-12-14 | 2011-06-29 | 北京清畅电力技术股份有限公司 | Novel solid insulated switch |
| CN202696040U (en) * | 2012-06-18 | 2013-01-23 | 扬州科宇电力有限公司 | Solid insulating vacuum ring main unit |
| CN203367841U (en) * | 2013-06-26 | 2013-12-25 | 国家电网公司 | Solid insulating ring main unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201498869U (en) * | 2009-09-02 | 2010-06-02 | 江苏帝一集团有限公司 | Vacuum ring main unit |
| CN102110956A (en) * | 2010-12-14 | 2011-06-29 | 北京清畅电力技术股份有限公司 | Novel solid insulated switch |
| CN202696040U (en) * | 2012-06-18 | 2013-01-23 | 扬州科宇电力有限公司 | Solid insulating vacuum ring main unit |
| CN203367841U (en) * | 2013-06-26 | 2013-12-25 | 国家电网公司 | Solid insulating ring main unit |
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| CN103368096A (en) | 2013-10-23 |
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Address after: 100017 Beijing Xicheng District West Chang'an Avenue 86 Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. |