CN207303819U - A kind of compact type environment-protection gas inflated ring main unit - Google Patents
A kind of compact type environment-protection gas inflated ring main unit Download PDFInfo
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- CN207303819U CN207303819U CN201721236008.3U CN201721236008U CN207303819U CN 207303819 U CN207303819 U CN 207303819U CN 201721236008 U CN201721236008 U CN 201721236008U CN 207303819 U CN207303819 U CN 207303819U
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Abstract
A kind of compact type environment-protection gas inflated ring main unit, with cabinet, several closed gas tanks are equipped with cabinet, each gas tank is equipped with three-phase into and out of thread casing, three station breakers and tri-station isolating switch are housed in gas tank, circuit breaker operation mechanism and isolator operating mechanism are housed on front side of gas tank；Three station breakers include three-phase pole and interlinked mechanism, insulation booth and enterprising/outlet pole and lower entry/exit line pole are respectively provided with per phase pole, the upper end and front end of insulation booth are in uncovered structure, creeping-increasing skirt is equipped with the madial wall of insulation booth upper/lower terminal, its left and right side walls is equipped with extends and be used for realization the wing edge of split-phase isolation to its front side；Tri-station isolating switch includes mechanism box and isolator operation axis, isolator operation axis with thirdly the external sheath of station conductive arm has insulating layer；The utility model is compact-sized, clean environment firendly, multiple gas tanks can be carried out integral type assembly in cabinet, realizes and controls multichannel power grid to carry out reliably distribution operation operation at the same time.
Description
Technical field
A kind of ring main unit is the utility model is related to, it is especially a kind of to be suitable for three-phase alternating current 50Hz, rated voltage 12kV electricity
Force system, and for the compact type environment-protection gas inflated ring main unit of town and country all types of user transformation and distribution system.
Background technology
Currently, the ring main unit used in domestic and international electric system is various in style, and majority is using sulfur hexafluoride gas as exhausted
Edge medium, sulfur hexafluoride gas is a kind of gas damaged to earth atmosphere, very not environmentally and of high cost,
Future will be eliminated.It is used to take up switchgear in ring main unit（Three station breakers and tri-station isolating switch）Gas tank body
Product is big, it is impossible to realizes modularization mounting design, and is difficult to extend, i.e., more set switchgears generally is installed on a gas
In case, when switchgear is relatively more（More than 3 sets）When, not only switchgear is difficult to install, but also is difficult to ensure that the airtight of gas tank
Property and overall mechanical strength, this is also carried out at the same time multichannel power distribution to ring main unit and brings detrimental effect；At the same time, it is existing
For three station breakers mainly using the conceptual design as described in Patent No. ZL201620259166.X, this breaker could not be right
Entry/exit line pole per the upper and lower side of phase pole accomplishes preferable split-phase isolation, also could not be to division is conducted and carried out as electric power
The interlinked mechanism of lock action accomplishes preferable split-phase isolation, so that the volume of the breaker is bigger, wherein phase spacing is protected
Hold in 165mm（The phase spacing of common air insulation breaker is maintained at 210mm）, and then in order to keep safe distribution of electric power, and it is necessary
Correspondingly increase the volume of gas tank.
In conclusion in the case where current environmental regulation is increasingly tighter, uses using environmentally friendly gas and be used as dielectric
Gas tank, while ensuring that ring main unit is carried out at the same time multichannel power distribution, and can reduce the volume of ring main unit as much as possible, this is current
Urgent problem.
The content of the invention
The purpose of this utility model seeks to solve the above problem present in existing ring main unit, provides for this kind of tight
Type ring of gathering protects gas inflated ring main unit, and this ring main unit is small, compact-sized, of low cost, clean environment firendly, and can be real
Multichannel power grid is now controlled to carry out reliably distribution operation operation at the same time.
The concrete scheme of the utility model is：A kind of compact type environment-protection gas inflated ring main unit, has cabinet, its feature
It is：Several closed gas tanks being arranged side by side are equipped with cabinet, three-phase is equipped with each gas tank into and out of thread casing, gas tank
Three station breakers and tri-station isolating switch be inside housed, and on front side of gas tank equipped with respectively with three station breakers and three stations
The circuit breaker operation mechanism and isolator operating mechanism that disconnecting switch matches；Three station breakers include three-phase pole and company
Motivation structure, interlinked mechanism are driven by circuit breaker operation mechanism, and dynamic and static contact in vacuum extinction room in realizing manipulation per phase pole
Contact with separating；Insulation booth for installing vacuum interrupter and corresponding with vacuum interrupter is respectively provided with per phase pole
Entry/exit line pole and lower entry/exit line pole, the upper end and front end of insulation booth are in uncovered structure, in insulation booth upper/lower terminal
Creeping-increasing skirt is equipped with side wall, the wherein creeping-increasing skirt of upper and lower ends is corresponding with upper and lower entry/exit line pole respectively, insulation booth
Left and right side walls are equipped with extends and is used for realization the wing edge of split-phase isolation to its front side；Tri-station isolating switch include mechanism box and
It is rotatablely installed in the isolator operation axis in mechanism box, three station conductive arms and three stations is housed on isolator operation axis
Wiring contact, is equipped with three station grounding contacts of corresponding three station conductive arms arrangement, in isolator operation on the inside of mechanism box
Axis and three station conductive arms are coated with the insulating layer of integral type；The three-phase entrance bushing connects upper on three-phase pole respectively
Entry/exit line pole, three station wiring contacts connect three-phase outlet casing tube respectively, the three-phase entrance bushing on adjacent two gas tanks
Correspondence is connected.
The quantity of gas tank described in the utility model is set to 1-4；Inflating port and pressure relief device, gas tank are equipped with gas tank
Inside it has been filled with dry air or nitrogen；The protection class of gas tank is IP67；Each gas tank can along left and right sides spread, and with
This assembly is integrated.
Interlinked mechanism described in the utility model includes a breaker operator axis and three groups opposite with three-phase pole respectively
The swing arm answered, insulated tension pole, interlocking lever；Three swing arms are separately mounted on breaker operator axis, the swinging end of each swing arm with
One end of insulated tension pole is hinged, and the other end of insulated tension pole is hinged one end of interlocking lever, is rotatably installed in the middle part of interlocking lever
In one fixing axle, the other end of interlocking lever is used to control in vacuum extinction room contact of the moving contact with static contact with separating.
The wing on front side of insulation booth described in the utility model along the lower end in single stepped construction, wing edge be used for realization by with
Split-phase isolation is carried out per the corresponding insulated tension pole of phase pole, interlocking lever；In the three stations breaker between three-phase pole
Phase spacing in phase spacing and tri-station isolating switch between three station conductive arms is 150mm.
The left and right lateral wall of insulation booth described in the utility model is equipped with the reinforcing rib arranged vertically.
The isolation channel for being used for realization split-phase isolation is equipped with the utility model on three-phase outlet casing tube, in isolation channel
Madial wall is equipped with creeping-increasing skirt；Outlet casing tube is set to separate structure or integral structure with isolation channel.
Insulation booth described in the utility model uses epoxide resin material moulding by casting；The isolator operation axis and three
The insulation system of station conductive arm outer layer is made of glass fiber reinforced polycarbonate material.
The utility model has the following advantages：
(1) the utility model is small, compact-sized, of low cost, multiple gas tanks can be carried out integral type in cabinet
Assembly, realizes and controls multichannel power grid to carry out reliably distribution operation operation at the same time；
(2) each gas tank uses environmentally friendly gas as dielectric in the utility model, and three stations open circuit in gas tank
Device and tri-station isolating switch are isolated using split-phase, so that phase spacing is decreased to 150mm, and then are ensuring the open circuit of three stations
In the case that device and tri-station isolating switch are normally carried out switch motion, the volume of gas tank is greatly reduced；
(3) the utility model the enter line side of three-phase entrance bushing and the outgoing line side of three-phase outlet casing tube are carried out split-phase every
From protection, and the tri-station isolating switch of the insulating layer equipped with glass fiber reinforced polycarbonate material is configured, on the whole really
Ring main unit distribution reliability of operation is protected.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the peace for two gas tanks for being mounted with three station breakers and tri-station isolating switch in the utility model respectively
Assembling structure schematic diagram；
Fig. 3 is the backsight structural representation of the utility model；
Fig. 4 is the side structure schematic view of the utility model；
Fig. 5 is the dimensional structure diagram of three station breakers in the utility model；
Fig. 6 is the main structure diagram of three station breakers in the utility model；
Fig. 7 is the side structure schematic view of three station breakers in the utility model；
Fig. 8 is the dimensional structure diagram of tri-station isolating switch in the utility model；
Fig. 9 is tri-station isolating switch in the overlooking the structure diagram in ground state；
Figure 10 is tri-station isolating switch in the side structure schematic view in ground state.
In figure：1-cabinet, 2-gas tank, 2a-skeleton, 2b-sealing plate, 3-entrance bushing, 4-outlet casing tube, 5-
Three station breakers, 6-tri-station isolating switch, 7-circuit breaker operation mechanism, 8-isolator operating mechanism, 9-vacuum
Arc-chutes, 10-insulation booth, 11-enterprising/outlet pole, 12-lower entry/exit line pole, 13-creeping-increasing skirt, 14-wing edge,
15-mechanism box, 16-isolator operation axis, 17-conductive arm, 18-wiring contact, 19-grounding contact, 20-insulation
Layer, 21-branch bus, 22-main bus-bar, 23-pressure relief device, 24-breaker operator axis, 25-swing arm, 26-insulated tension pole,
27-interlocking lever, 28-fixing axle, 29-reinforcing rib, 30-isolation channel.
Embodiment
Referring to Fig. 1-10, a kind of compact type environment-protection gas inflated ring main unit, has cabinet 1, and two are equipped with cabinet 1 simultaneously
The closed gas tank 2 that arrangement is put, three-phase entrance bushing 3 and three-phase outlet casing tube 4 are equipped with each gas tank 2, three are equipped with gas tank 2
Station breaker 5 and tri-station isolating switch 6, and be equipped with the front side of gas tank 2 and isolate respectively with three station breakers 5 and three stations
The circuit breaker operation mechanism 7 and isolator operating mechanism 8 that switch 6 matches；Three station breakers 5 include three-phase pole and company
Motivation structure, interlinked mechanism are driven by circuit breaker operation mechanism 7, and realize dynamic and static in vacuum interrupter 9 in the every phase pole of manipulation touch
The contact of head is with separating；Insulation booth 10 for installing vacuum interrupter 9 and opposite with vacuum interrupter 9 is respectively provided with per phase pole
Enterprising/outlet the pole 11 and lower entry/exit line pole 12 answered, the upper end and front end of insulation booth 10 are in uncovered structure, in insulation booth
Be equipped with creeping-increasing skirt 13 on the madial wall of 10 upper/lower terminals, wherein the creeping-increasing skirt 13 of upper and lower ends respectively with upper and lower entry/exit line
Pole 11,12 is corresponding, and the left and right side walls of insulation booth 10 are equipped with extends and be used for realization the wing edge of split-phase isolation to its front side
14；Tri-station isolating switch 6 includes mechanism box 15 and rotational installation in the isolator operation axis 16 in mechanism box 15, is isolating
Three station conductive arms 17 and three station wiring contacts 18 are housed on switching manipulation axis 16, corresponding three works are equipped with the inner side of mechanism box 15
The three station grounding contacts 19 that position conductive arm 17 is arranged, one is coated with 16 and three station conductive arm 17 of isolator operation axis
The insulating layer 20 of body formula；The three-phase entrance bushing 3 connects enterprising/outlet pole 11 on three-phase pole respectively, and three stations connect
Line contact 19 connects three-phase outlet casing tube 4 by branch bus 21 respectively, and the three-phase entrance bushing 3 on adjacent two gas tanks 2 is logical
Cross main bus-bar 22 and correspond to and be connected
When tri-station isolating switch 6 is in "on" position, under three station conductive arms 17 correspondence and three station breakers 5
Entry/exit line pole 12 is connected；When tri-station isolating switch 6 is in gate-dividing state, three station conductive arms 17 are with disconnecting switch
Operating shaft 16 rotates 45 ° and is separated with the lower entry/exit line pole 12 of three station breakers 5, as shown in Figure 8；When three stations are isolated
When switch 6 is in ground state, three station conductive arms 17 rotate 45 ° with isolator operation axis 16 and are connect with three stations again
Ground contact 19 is connected, referring to Fig. 9, Figure 10.
In the present embodiment, inflating port and pressure relief device 23 are equipped with gas tank 2, dry air or nitrogen have been filled with gas tank 2
Gas or other feature of environmental protection gaseous state dielectrics；The protection class of gas tank 2 is IP67；Each gas tank 2 can freely expand along the left and right sides
Exhibition, and is integrated with this assembly, as shown in Fig. 2, skeleton 2a and the sealing plate that with skeleton 2a matches of the gas tank 2 by case structure
2b is welded by robot sealing and formed, and can carry out phase to skeleton structure according to the quantity of the gas tank 2 of actually required installation
Should ground extension.
Referring to Fig. 5, Fig. 6, Fig. 7, interlinked mechanism described in the present embodiment includes 24 and three component of breaker operator axis
Swing arm 25 not corresponding with three-phase pole, insulated tension pole 26, interlocking lever 27；Three swing arms 25 are separately mounted to breaker operator
On axis 24, one end of the swinging end and insulated tension pole 26 of each swing arm 25 is hinged, and the other end of insulated tension pole 26 hingedly interlocks
One end of bar 27, the middle part of interlocking lever 27 are rotatably installed in a fixing axle 28, and the other end of interlocking lever 27 is used to control vacuum
Contact of the moving contact with static contact is with separating in arc-chutes 9.
Referring to Fig. 7, the wing on front side of insulation booth 10 described in the present embodiment along 14 in single stepped construction, lower end of the wing along 14
It is used for realization and insulated tension pole 26 corresponding with every phase pole, interlocking lever 27 is carried out split-phase and isolated；The three stations breaker 5
Phase spacing in phase spacing and tri-station isolating switch 6 between middle three-phase pole between three station conductive arms 17 is 150mm.
The left and right lateral wall of insulation booth 10 described in the present embodiment is equipped with the reinforcing rib 29 arranged vertically.
The isolation channel 30 for being used for realization split-phase isolation is equipped with the present embodiment on three-phase outlet casing tube 4, in isolation channel
30 madial wall is equipped with creeping-increasing skirt 13；Outlet casing tube 4 is set to separate structure or integral structure with isolation channel 30.
Insulation booth 10 described in the present embodiment uses epoxide resin material moulding by casting；16 He of isolator operation axis
The insulating layer 20 of three station conductive arms, 17 outer layer is made of glass fiber reinforced polycarbonate material.
Claims (7)
1. a kind of compact type environment-protection gas inflated ring main unit, has cabinet, it is characterized in that：Several are equipped with cabinet and is arranged
The closed gas tank put, is equipped with three-phase into and out of thread casing on each gas tank, in gas tank equipped with three station breakers and three stations every
Pass is left, and equipped with the breaker operator machine to match respectively with three station breakers and tri-station isolating switch on front side of gas tank
Structure and isolator operating mechanism；Three station breakers include three-phase pole and interlinked mechanism, and interlinked mechanism is by breaker operator
Mechanism drives, and realizes the contact of dynamic and static contact in vacuum extinction room in the every phase pole of manipulation with separating；It is respectively provided with per phase pole
For installing the insulation booth and enterprising/outlet pole corresponding with vacuum interrupter and lower entry/exit line pole of vacuum interrupter,
The upper end and front end of insulation booth are in uncovered structure, and creeping-increasing skirt is equipped with the madial wall of insulation booth upper/lower terminal, wherein up and down
The creeping-increasing skirt at both ends is corresponding with upper and lower entry/exit line pole respectively, and the left and right side walls of insulation booth are equipped with to its front side extension simultaneously
It is used for realization the wing edge of split-phase isolation；Tri-station isolating switch includes mechanism box and rotational installation in the disconnecting switch in mechanism box
Operating shaft, is equipped with three station conductive arms and three station wiring contacts on isolator operation axis, on the inside of mechanism box be equipped with pair
The three station grounding contacts for answering three station conductive arms to arrange, one is coated with isolator operation axis and three station conductive arms
The insulating layer of formula；The three-phase entrance bushing connects enterprising/outlet pole on three-phase pole, three station wiring contacts point respectively
Not Lian Jie three-phase outlet casing tube, the three-phase entrance bushing on adjacent two gas tanks, which corresponds to, to be connected.
2. a kind of compact type environment-protection gas inflated ring main unit according to claim 1, it is characterized in that：The quantity of the gas tank
It is set to 1-4；Inflating port and pressure relief device are equipped with gas tank, dry air or nitrogen have been filled with gas tank；The protection of gas tank
Grade is IP67；Each gas tank can be integrated along left and right sides spread, and with this assembly.
3. a kind of compact type environment-protection gas inflated ring main unit according to claim 1, it is characterized in that：The interlinked mechanism bag
Include a breaker operator axis and three groups swing arm corresponding with three-phase pole, insulated tension pole, interlocking lever respectively；Three swing arms point
An Zhuan not be on breaker operator axis, the swinging end of each swing arm and one end of insulated tension pole are hinged, insulated tension pole it is another
End is hinged one end of interlocking lever, is rotatably installed in the middle part of interlocking lever in a fixing axle, and the other end of interlocking lever is used to control true
Contact of the moving contact with static contact is with separating in empty arc-chutes.
4. a kind of compact type environment-protection gas inflated ring main unit according to claim 3, it is characterized in that：On front side of the insulation booth
The wing along the lower end in single stepped construction, wing edge be used for realization by insulated tension pole corresponding with every phase pole, interlocking lever into
Row split-phase is isolated；Three stations are conductive in phase spacing and tri-station isolating switch in the three stations breaker between three-phase pole
Phase spacing between arm is 150mm.
5. a kind of compact type environment-protection gas inflated ring main unit according to claim 1, it is characterized in that：The insulation booth
Left and right lateral wall is equipped with the reinforcing rib arranged vertically.
6. a kind of compact type environment-protection gas inflated ring main unit according to claim 1, it is characterized in that：In three-phase outlet casing tube
On be equipped be used for realization split-phase isolation isolation channel, creeping-increasing skirt is equipped with the madial wall of isolation channel；Outlet casing tube is with isolating
Groove is set to separate structure or integral structure.
7. a kind of compact type environment-protection gas inflated ring main unit according to any one claim in claim 1 to 6, its
It is characterized in：The insulation booth uses epoxide resin material moulding by casting；Outside the isolator operation axis and three station conductive arms
The insulation system of layer is made of glass fiber reinforced polycarbonate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236008.3U CN207303819U (en) | 2017-09-26 | 2017-09-26 | A kind of compact type environment-protection gas inflated ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236008.3U CN207303819U (en) | 2017-09-26 | 2017-09-26 | A kind of compact type environment-protection gas inflated ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207303819U true CN207303819U (en) | 2018-05-01 |
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ID=62439468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721236008.3U Active CN207303819U (en) | 2017-09-26 | 2017-09-26 | A kind of compact type environment-protection gas inflated ring main unit |
Country Status (1)
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| CN (1) | CN207303819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
| CN114389193A (en) * | 2021-12-01 | 2022-04-22 | 平高集团有限公司 | Inflatable overhead incoming line cabinet |
-
2017
- 2017-09-26 CN CN201721236008.3U patent/CN207303819U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
| CN114389193A (en) * | 2021-12-01 | 2022-04-22 | 平高集团有限公司 | Inflatable overhead incoming line cabinet |
| CN114389193B (en) * | 2021-12-01 | 2023-12-15 | 平高集团有限公司 | Inflatable overhead wire inlet cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Compact type environment-friendly gas filling RUM (ring main unit) Effective date of registration: 20180913 Granted publication date: 20180501 Pledgee: CITIC Bank Limited by Share Ltd Huangshi branch Pledgor: Hubei Wangan Technology Co., Ltd. Registration number: 2018420000048 |