CN203367841U - Solid insulating ring main unit - Google Patents
Solid insulating ring main unit Download PDFInfo
- Publication number
- CN203367841U CN203367841U CN 201320371498 CN201320371498U CN203367841U CN 203367841 U CN203367841 U CN 203367841U CN 201320371498 CN201320371498 CN 201320371498 CN 201320371498 U CN201320371498 U CN 201320371498U CN 203367841 U CN203367841 U CN 203367841U
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- Prior art keywords
- insulation
- switch
- vacuum
- switch tube
- cavity
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- Expired - Fee Related
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- 239000007787 solid Substances 0.000 title claims abstract description 35
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 135
- 238000002955 isolation Methods 0.000 claims description 73
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 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
- 239000011810 insulating material Substances 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
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Abstract
The utility model discloses a solid insulating ring main unit which comprises a high-voltage switch unit. The high-voltage switch unit comprises a vacuum arc-extinguishing chamber and an insulating grounding switch device. The insulating grounding switch device comprises an insulating chamber. The insulating chamber is provided with the following components: a wire outlet end, a grounding end and a wire inlet end which is electrically connected with a movable conductive rod. A vacuum switch tube for grounding is fixedly arranged inside or outside the insulating chamber. The static contact of the vacuum switch tube for grounding is electrically connected with the grounding end, and a moving contact is provided with a grounding wiring part. The moving contact of the vacuum switch tube for grounding is transmissively connected with a grounding operation mechanism. The insulating chamber is also internally provided with an insulating switch. One end of the insulating switch is a hinging end which is hinged with the wire outlet end, and the other end is a contact end. The insulating switch is transmissively connected with a driving mechanism. Through controlling swinging of the insulating switch and on-off state of the moving contact and the static contact in the vacuum switch tube for grounding, different conditions of the insulating grounding switch device are realized.
Description
Technical field
The utility model 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 three kinds of forms of solid insulation, wherein, solid insulation switch is to adopt the switchgear of solid insulating material as the main insulation medium, it is little that solid insulation switch has a volume, dielectric strength is high, the characteristics such as environmentally friendly are the mains direction of studying of isolated switchgear later.
In the Chinese invention patent application Publication Specification that is CN102110956A at application publication number, a kind of solid insulation switch is disclosed, comprise the insulation shell of being made by solid insulating material, insulation shell is provided with the bus terminals, in the inner chamber of insulation shell, vacuum interrupter is installed, the static conductive rod of vacuum interrupter and bus terminals are electrically connected, and the moving conductive rod of vacuum interrupter is driven to move up and down by operating mechanism and contacts, disconnects with static conductive rod.Also be furnished with the isolation earthing switch device in the inner chamber of insulation shell, the isolation earthing switch device comprises the insulation cavity, the top of insulation cavity is installed with the end of incoming cables that the moving conductive rod with vacuum interrupter is electrically connected, middle part is installed with outlet casing tube, bottom is installed with earth terminal, the bottom of insulation cavity 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, insulation is furnished with the conductive moving contact that is flexible coupling and is electrically connected with outlet casing tube by copper bar in cavity, conductive moving contact is driven and is moved along the vertical direction in isolated chambers by straight moving drive unit, straight moving 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 mobile along the vertical direction power-driven mechanism of insulated tension pole, conductive moving contact is electrically connected with end of incoming cables moving up after putting in place, conductive moving contact is electrically connected with the moving contact of earthy vacuum switch tube moving down after putting in place.
During use, after moving conductive rod and static conductive rod connection, directly on moving drive unit, carry insulated tension pole, 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 disconnection, directly moving 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 the movable contact of earthy vacuum switch tube to move down with the static contact seat with earthy vacuum switch tube and be electrically connected, leading-out terminal and earth terminal are electrically connected, and solid insulation switch is in ground state.
In above-mentioned isolation earthing switch device, need by driving along the vertical direction conductive moving contact respectively three station work and then realize three different conditions of isolation earthing switch device, but this control mode that three stations are set respectively at straight line is had relatively high expectations to the mobile accuracy of conductive moving contact, easily occur causing misoperation because conductive moving contact crosses station after moving or do not arrive correct station and cause operation failure in the working control process, all can affect the normal operation of isolation earthing switch device.
The utility model content
The purpose of this utility model is to provide a kind of solid insulation ring main unit, to solve in prior art, uses straight moving drive unit to drive conductive moving contact to move at straight line the technical problem that different stations causes easily occurring misoperation.
For achieving the above object, the technical scheme of solid insulation ring main unit provided by the utility model is: solid insulation ring main unit, comprise the high-voltage switch gear unit, the high-voltage switch gear unit comprises vacuum interrupter and the isolation earthing switch device with moving conductive rod, the isolation earthing switch device comprises the insulation cavity, the insulation cavity is provided with leading-out terminal, earth terminal and the end of incoming cables be electrically connected with described moving conductive rod, in described insulation cavity or the outside is installed with the earthy vacuum switch tube with moving contact and fixed contact, the fixed contact of earthy vacuum switch tube and described earth terminal are electrically connected, its moving contact has the ground connection wire connecting portion, the moving contact upper driving of earthy vacuum switch tube is connected with for driving the ground connection operating mechanism of moving contact and fixed contact break-make, also be provided with isolation switch in the insulation cavity, one end of isolation switch is the hinged end be hinged on described leading-out terminal, the other end is contact jaw, the isolation switch upper driving be connected with for the driving isolation disconnecting link set on stroke swing so that 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 that rotation is located on the insulation cavity and the rotation axis coaxially arranged with the hinged central axis of isolation switch, an end that penetrates the insulation cavity of rotation axis is the clutch end be in transmission connection with isolation switch, and an end that passes the insulation cavity of rotation axis is power intake.
Described leading-out terminal is arranged on the lower end of insulation cavity, and described earth terminal and end of incoming cables are positioned at the upper end of insulation cavity.
On described insulation cavity, corresponding described earth terminal offers the vacuum switch tube jack, the described earthy vacuum switch tube that is arranged at the external side of insulated cavity is installed in vacuum switch tube jack place, periphery at earthy vacuum switch tube is coated with insulation grafting cover, 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 peg graft lower end passed for fixed contact of cover of insulation has that extend along fixed contact and insulation inserting section described vacuum switch tube jack sealing inserting.
On described insulation cavity, corresponding described end of incoming cables offers the vacuum interrupter jack, described vacuum interrupter is installed in the 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, there is that extend along moving conductive rod and insulation inserting section described vacuum interrupter jack sealing inserting in the lower end passed for moving conductive rod of insulation inserting cover, mobile being equipped with along the axially extended insulated tension pole of moving conductive rod in described insulation cavity, an end that penetrates the insulation cavity of insulated tension pole is the clutch end be in transmission connection with moving conductive rod, the other end is power intake.
The outer surface that described insulation cavity, the described insulation that is coated on earthy vacuum switch tube periphery are pegged graft cover and be coated on the insulation inserting cover of vacuum interrupter periphery all is covered with conductive shielding layer or the semiconductive screen for ground connection.
Described insulation inside cavity is provided with the transducer for detection of gas-condition in the inner chamber of insulation cavity.
On described insulation cavity, offer for observing the observation window of isolation switch position.
Usefulness of the present utility model is: the earth terminal in the isolation earthing switch device in solid insulation ring main unit provided by the utility model and the fixed contact of earthy vacuum switch tube are electrically connected, the isolation switch of insulation in cavity by driving mechanism drive lay out line end in the insulation cavity, swing with respectively with end of incoming cables, the earth terminal conductive contact, when isolation switch turns to the station that the contact jaw of isolation switch contacts with end of incoming cables, end of incoming cables and leading-out terminal conducting, the isolation earthing switch device is in "on" position, and when isolation switch turns to the station that the contact jaw of isolation switch contacts with earth terminal, end of incoming cables and earth terminal conducting, now, when the ground connection operating mechanism is controlled the moving of earthy vacuum switch tube, fixed contact is when open position, the isolation earthing switch device is in the separating brake isolation, control the moving of earthy vacuum switch tube and work as the ground connection operating mechanism, during the fixed contact conducting, isolation switch device is in ground state.In swing by controlling isolation switch and earthy vacuum switch tube, the on off operating mode of dynamic and static contact, realize that the isolation earthing switch device is in different operating modes.The course of work from 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, isolation switch only has two stations like this, according to the oscillating stroke of the set positions isolation switch of two stations so that two stations of isolation switch are just in time corresponding with two ends of oscillating stroke, when swinging to the end of setting stroke, driving mechanism driving isolation disconnecting link just in time make isolation switch on suitable station, control precision to driving mechanism and isolation switch requires lower, be not easy to occur misoperation, and then can effectively guarantee the normal operation of isolation earthing switch device and high-voltage switch gear unit.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of solid insulation ring main unit provided by the utility model;
Fig. 2 is the structural representation of high-voltage switch gear unit in the separating brake isolation in solid insulation ring main unit shown in Fig. 1;
Fig. 3 is the structural representation of high-voltage switch gear unit in ground state in solid insulation ring main unit shown in Fig. 1.
Embodiment
As shown in Figure 1, a kind of embodiment of solid insulation ring main unit, the solid insulation switch in this embodiment comprises the high-voltage switch gear unit, the high-voltage switch gear unit comprises isolation earthing switch device and vacuum interrupter 3.1.
The isolation earthing switch device comprises the insulation cavity 100 of being made by solid insulating material, solid insulating material herein is epoxy resin, insulation cavity 100 comprises that lower end is the upper cavity 1 of opening and is fixed together and forms the lower shrouding 2 of closed cavity with upper cavity, is provided with hermetically-sealed construction isolated with the inner chamber and the external environment condition that realize the insulation cavity between lower shrouding 2 and upper cavity 1.
Be respectively equipped with vacuum interrupter jack 1.1 for assembling vacuum interrupter in the upper end of upper cavity 1 of insulation cavity 100 and for assembling the vacuum switch tube jack 1.2 of earthy vacuum switch tube 4.1, two jacks all extend towards the inner chamber of insulation cavity 100, be installed with end of incoming cables 1.3 in the lower end of vacuum interrupter jack 1.1, in the lower end of vacuum switch tube jack 1.2, be provided with earth terminal 1.4.Be installed with outlet conductor 2.3 on the lower shrouding 2 of insulation cavity 100, inner chamber one end that extends into insulation cavity 100 of outlet conductor 2.3 is leading-out terminal 2.2, and this is in and lays out line end 2.2 in leading-out terminal 2.2 outer rings on lower seal plate 2 and be provided with full skirt 2.4.Be hinged with isolation switch 2.1 on the leading-out terminal 2.2 of outlet conductor 2.3, isolation switch 2.1 is arranged in the inner chamber of insulation cavity 100, one end of isolation switch 2.1 is the hinged end be hinged 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 drivings be connected with for the driving isolation disconnecting link setting on stroke swing so that 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 contacts, when isolation switch 2.1 turns to two end of setting stroke just in time respectively with end of incoming cables 1.3 and earth terminal 1.4 conductive contacts.Driving mechanism comprises that rotation is located on the insulation cavity and the rotation axis coaxially arranged with the hinged central axis of isolation isolation switch, an end that penetrates the insulation cavity of rotation axis is for being in transmission connection with the clutch end of driving isolation disconnecting link swing with isolation switch 2.1, and an end that passes the insulation cavity of rotation axis is power intake.
The isolation earthing device also comprises the earthy vacuum switch tube 4.1 that is installed in vacuum switch tube jack 1.2 places, 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 connection section for ground connection, and these moving contact 4.2 upper drivings are connected with for driving the ground connection operating mechanism of 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 be filled with resilient coating 4.4 between earthy vacuum switch tube 4.1 and insulation grafting cover 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, the lower end passed for fixed contact at insulation grafting cover 4.5 has the insulation inserting section 4.6 of extending along fixed contact, this insulation inserting section 4.6 and the 1.2 sealing insertings of vacuum switch tube jack, earthy vacuum switch tube 4.1 is installed on insulation cavity 100 by insulation inserting section 4.6 and the inserting of vacuum switch tube jack 1.2.The outside at insulation grafting cover 4.5 is covered with ground shield.
Vacuum interrupter jack 1.1 places at upper cavity 1 are equipped with vacuum interrupter 3.1, vacuum interrupter 3.1 is installed in outside insulation cavity 100, the periphery of vacuum interrupter 3.1 is coated with the insulation inserting cover 3.3 of solid, outer surface at insulation inserting cover 3.3 is covered with earthy screen, and be filled with resilient coating 3.2 between vacuum interrupter 3.1 and insulation inserting cover 3.3, two ends up and down at insulation inserting cover 3.3 and resilient coating 3.2 are respectively equipped with the moving conductive rod 3.8 for vacuum interrupter 3.1, the perforation that static conductive rod 3.7 passes, the static conductive rod 3.7 of vacuum interrupter 3.1 passes with plug-in type bus 5 and is electrically connected, the moving conductive rod 3.8 of vacuum interrupter 3.1 penetrates in vacuum interrupter jack 1.1 to be electrically connected with end of incoming cables 1.3, lower end at the moving conductive rod 3.8 of the corresponding vacuum interrupter 3.1 of insulation inserting cover 3.3 has the insulation inserting section 3.5 of along this moving conductive rod 3.8 jack sealing that extend and described, pegging graft and coordinating, vacuum interrupter 3.1 is installed on insulation cavity 100 by insulation inserting section 3.5 and the sealing inserting of vacuum interrupter jack 1.1.Mobile being equipped with along the axially extended insulated tension pole 3.6 of the moving conductive rod 3.8 of vacuum interrupter 3.1 in insulation cavity 100, an end that penetrates insulation cavity 100 of insulated tension pole 3.6 is that clutch end, the other end be in transmission connection with moving conductive rod 3.8 is power intake, and the power intake of insulated tension pole is connected with the vacuum interrupter operating mechanism.Offer the handle hole 2.5 passed for insulated tension pole 3.6 on lower shrouding 2, between handle hole 2.5 and insulated tension pole 3.6, be provided with hermetically-sealed construction.
Above-mentioned plug-in type bus 5 adopts the solid material coated insulations, 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 the solid material coated insulation, surface is provided with earthy screen, outlet conductor 2.3 on outlet switching conductor 6 one ends 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, the outer surface of in insulation cavity 100, the insulation that is coated on earthy vacuum switch tube 4.1 peripheries, pegging graft cover 4.5 and being coated on the insulation inserting cover 3.3 of vacuum interrupter 3.1 all is covered with the screen for ground connection, 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 assurance, can effectively guarantee maintainer's personal safety.
In the present embodiment, the transducer 1.5 of gas-condition in insulation cavity 100 inside are provided with for detection of the inner chamber of insulation cavity.And offer observation window 1.9 on insulation cavity 100, 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 guarantee each parts in solid insulation switch be not subject to external environment condition effectively, make solid insulation switch can be under filthy and environmental condition that condensation is more serious reliably working.
Be illustrated in figure 1 the isolation earthing switch device in "on" position, under this state, the dynamic and static contact that the ground connection operating mechanism is controlled 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 and turns to and end of incoming cables 1.3 conductive contacts, plug-in type bus 5 is connected with leading-out terminal 2.2 by quiet, moving conductive rod and the end of incoming cables 1.3 of vacuum interrupter 3.1, now, the isolation earthing switch device is in "on" position.
Be illustrated in figure 2 isolation earthing switch in gate-dividing state, under this state, the dynamic and static contact that the ground connection operating mechanism is controlled 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 brakes, and rotation axis drives isolation switch 2.1 and turns to and earth terminal 1.4 conductive contacts, end of incoming cables 1.3 disconnects with leading-out terminal 2.2, leading-out terminal 2.2 and earth terminal 1.4 conductings, now, the isolation earthing switch device is in gate-dividing state.
Be illustrated in figure 3 isolation earthing switch in ground state, under this state, the ground connection operating mechanism is controlled 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 brakes, and rotation axis drives isolation switch 2.1 and turns to and earth terminal 1.4 conductive contacts, end of incoming cables 1.3 disconnects with leading-out terminal 2.2, leading-out terminal 2.2 and earth terminal 1.4 conductings, now, the isolation earthing switch device is in ground state.
In other embodiment of the present utility model, the driving mechanism that the 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 the high-voltage switch gear unit, the high-voltage switch gear unit comprises vacuum interrupter and the isolation earthing switch device with moving conductive rod, the isolation earthing switch device comprises the insulation cavity, the insulation cavity 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 insulation cavity or the outside is installed with the earthy vacuum switch tube with moving contact and fixed contact, the fixed contact of earthy vacuum switch tube and described earth terminal are electrically connected, its moving contact has the ground connection wire connecting portion, the moving contact upper driving of earthy vacuum switch tube is connected with for driving the ground connection operating mechanism of moving contact and fixed contact break-make, also be provided with isolation switch in the insulation cavity, one end of isolation switch is the hinged end be hinged on described leading-out terminal, the other end is contact jaw, the isolation switch upper driving be connected with for the driving isolation disconnecting link set on stroke swing so that 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 that rotation is located on the insulation cavity and the rotation axis coaxially arranged with the hinged central axis of isolation switch, an end that penetrates the insulation cavity of rotation axis is the clutch end be in transmission connection with isolation switch, and an end that passes the insulation cavity 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 insulation cavity, and described earth terminal and end of incoming cables are positioned at the upper end of insulation cavity.
4. according to claim 1 or 2 or 3 described solid insulation ring main units, it is characterized in that: on described insulation cavity, corresponding described earth terminal offers the vacuum switch tube jack, the described earthy vacuum switch tube that is arranged at the external side of insulated cavity is installed in vacuum switch tube jack place, periphery at earthy vacuum switch tube is coated with insulation grafting cover, 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 peg graft lower end passed for fixed contact of cover of insulation has that extend along fixed contact and insulation inserting section described vacuum switch tube jack sealing inserting.
5. solid insulation ring main unit according to claim 4, it is characterized in that: on described insulation cavity, corresponding described end of incoming cables offers the vacuum interrupter jack, described vacuum interrupter is installed in the 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, there is that extend along moving conductive rod and insulation inserting section described vacuum interrupter jack sealing inserting in the lower end passed for moving conductive rod of insulation inserting cover, mobile being equipped with along the axially extended insulated tension pole of moving conductive rod in described insulation cavity, an end that penetrates the insulation cavity 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: the outer surface that described insulation cavity, the described insulation that is coated on earthy vacuum switch tube periphery are pegged graft cover and be coated on the insulation inserting cover of vacuum interrupter periphery all is covered with conductive shielding layer or the semiconductive screen for ground connection.
7. according to claim 1 or 2 or 3 described solid insulation ring main units, it is characterized in that: described insulation inside cavity is provided with the transducer for detection of gas-condition in the inner chamber of insulation cavity.
8. according to claim 1 or 2 or 3 described solid insulation ring main units, it is characterized in that: on described insulation cavity, offer for observing the observation window of isolation switch position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320371498 CN203367841U (en) | 2013-06-26 | 2013-06-26 | Solid insulating ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320371498 CN203367841U (en) | 2013-06-26 | 2013-06-26 | Solid insulating ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367841U true CN203367841U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320371498 Expired - Fee Related CN203367841U (en) | 2013-06-26 | 2013-06-26 | Solid insulating ring main unit |
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| Country | Link |
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| CN (1) | CN203367841U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368096A (en) * | 2013-06-26 | 2013-10-23 | 国家电网公司 | Solid insulation ring main unit |
| CN105789924A (en) * | 2014-12-15 | 2016-07-20 | 西门子公司 | Compensation module of high-voltage switch and high-voltage switch |
| CN108155040A (en) * | 2018-02-09 | 2018-06-12 | 浙江华仪电器科技有限公司 | A kind of ring main unit with three-station |
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
| CN108258610A (en) * | 2018-03-16 | 2018-07-06 | 厦门业盛电气有限公司 | Three-phase solid insulation shell |
| CN108321692A (en) * | 2018-03-16 | 2018-07-24 | 厦门业盛电气有限公司 | Entrance bushing |
-
2013
- 2013-06-26 CN CN 201320371498 patent/CN203367841U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368096A (en) * | 2013-06-26 | 2013-10-23 | 国家电网公司 | Solid insulation ring main unit |
| CN103368096B (en) * | 2013-06-26 | 2016-02-17 | 国家电网公司 | Solid insulation ring main unit |
| CN105789924A (en) * | 2014-12-15 | 2016-07-20 | 西门子公司 | Compensation module of high-voltage switch and high-voltage switch |
| CN108155040A (en) * | 2018-02-09 | 2018-06-12 | 浙江华仪电器科技有限公司 | A kind of ring main unit with three-station |
| 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 |
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
| CN108258610A (en) * | 2018-03-16 | 2018-07-06 | 厦门业盛电气有限公司 | Three-phase solid insulation shell |
| CN108321692A (en) * | 2018-03-16 | 2018-07-24 | 厦门业盛电气有限公司 | Entrance bushing |
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| 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: 20131225 Termination date: 20160626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |