CN109962427A - A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank - Google Patents

A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank Download PDF

Info

Publication number
CN109962427A
CN109962427A CN201910338693.8A CN201910338693A CN109962427A CN 109962427 A CN109962427 A CN 109962427A CN 201910338693 A CN201910338693 A CN 201910338693A CN 109962427 A CN109962427 A CN 109962427A
Authority
CN
China
Prior art keywords
gas tank
moving knife
gas
knife blade
worm gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910338693.8A
Other languages
Chinese (zh)
Inventor
唐冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Bapei Switching Equipment Co Ltd
Original Assignee
Shanghai Bapei Switching Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Bapei Switching Equipment Co Ltd filed Critical Shanghai Bapei Switching Equipment Co Ltd
Priority to CN201910338693.8A priority Critical patent/CN109962427A/en
Publication of CN109962427A publication Critical patent/CN109962427A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/045Details of casing, e.g. gas tightness

Abstract

The invention discloses a kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank, moving knife blade is hingedly mounted on moving knife support, can be around hinge joint rotary motion;Moving knife connecting lever one end is fixedly connected on moving knife blade, and the other end is connect with insulated pull rod one end, and the insulated pull rod other end is connect with transmission crank arm, and the central rotating shaft of transmission crank arm and worm gear is affixed;Worm gear engages connection with worm screw, and the worm screw connect with isolated operation mechanism;Operator contact is located above moving knife blade, and grounding contact is located at moving knife blade rear;Under the active role power of isolated operation mechanism, working in coordination and acting by worm screw and worm gear, worm screw, which is moved forward and backward, drives worm gear rotation, passing sequentially through transmission crank arm, insulated pull rod, moving knife connecting lever drives moving knife blade around hinge joint rotary motion, and the contact of moving knife blade is made to pass through the rotary separating brake of rotation realization, combined floodgate or ground connection between operator contact and grounding contact.

Description

A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank
Technical field
The invention belongs to electric system equipment for power transmission and distribution manufacturing technology fields, and in particular to a kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank.
Background technique
In the existing power supply network system in China, to improve power supply reliability, with contemporary society's economy, modern industry The rapid development of technology, electricity needs are all increasing in every profession and trade, especially intermediate distribution system, in entire power distribution system The effect that " forming a connecting link " is played in system, occupies very important status, thus the performance quality of medium-voltage distribution equipment for The safety continuous operation of entire power grid is very important.Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch, Abbreviation C-GIS, C-GIS equipment is the controller switching equipment of the specialized application that grows up last century end in medium voltage network, outstanding Safety, reliability grow rapidly it in the beginning of this century, keep C-GIS manufacturing rapidly growing, and manufacturing technology is prominent Fly to push ahead vigorously.
Before and after 2000, middle pressure C-GIS equipment has a rapid development, new technology, structure, technique, equipment etc. into Enter the popularization and use stage.The technical parameter of product, reliability are further enhanced, and size further decreases.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of tri-station isolating switch and gas Insulated metal closed switch equipment gas tank.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of tri-station isolating switch, comprising: the grounding contact being electrically connected with earth-return circuit, the operator touching being electrically connected with bus Head, moving knife blade, moving knife support, moving knife connecting lever, insulated pull rod, transmission crank arm, worm gear, worm screw;
The moving knife blade is hingedly mounted on moving knife support, can be around hinge joint rotary motion;Moving knife connecting lever one end is solid Surely it is connected on moving knife blade, the other end is connect with insulated pull rod one end, and the insulated pull rod other end is connect with transmission crank arm, described The central rotating shaft of transmission crank arm and worm gear is affixed;
The worm gear engages connection with worm screw, and the worm screw connect with isolated operation mechanism;
The operator contact is located above moving knife blade, and the grounding contact is located at moving knife blade rear;
Under the active role power of isolated operation mechanism, working in coordination and acting by worm screw and worm gear, worm screw is moved forward and backward Worm gear rotation is driven, transmission crank arm, insulated pull rod, moving knife connecting lever is passed sequentially through and drives moving knife blade around hinge joint rotary motion, The contact of moving knife blade is set to pass through the rotary separating brake of rotation realization, combined floodgate or ground connection between operator contact and grounding contact.
Preferably, the central rotating shaft of the tri-station isolating switch, the transmission crank arm and worm gear passes through flower Key is fixedly connected.
On the other hand, the present invention also provides a kind of Cubicle Gas-Insulated Switchgear gas tank, including gas tank cabinet, The gas tank cabinet is provided with above-mentioned tri-station isolating switch and breaker;
Isolated operation mechanism and circuit breaker operation mechanism are installed in gas tank cabinet front;Isolated operation mechanism and breaker Operating mechanism is arranged up and down;
The moving knife support of the tri-station isolating switch is fixed on the rear end of circuit breaker polar;
Every phase circuit breaker polar lower end has the support of pole supporting insulator to fix respectively;
The worm screw of the tri-station isolating switch connect with isolated operation mechanism, is realized by operation isolation operating mechanism rotary Divide-shut brake or ground connection;
The running part of the breaker is connect with circuit breaker operation mechanism, realizes breaker by operating breaker operating mechanism Middle vacuum interrupter is cut-off.
Further, the Cubicle Gas-Insulated Switchgear gas tank, further includes outlet casing tube, the lead collar Pipe is located at gas tank cabinet front, left, center, right arrangement;Breaker by outlet casing tube is pierced by gas tank cabinet after connecting with outlet copper bar.
It preferably, further include grounded part, the grounded part is located at the intracorporal rear portion of gas tank case, grounded part Upper end is fixedly connected with grounding contact, and grounded part lower end is guided to earth current outside gas tank cabinet by ground connection copper billet.
Preferably, bus extension casing is also equipped on the gas tank cabinet;The bus extension casing includes A Phase bus extends casing, B phase bus extension casing, C phase bus and extends casing.
Further, A phase bus extension casing, B phase bus extension casing, C phase bus extension casing are loaded on gas tank cabinet Top, or be mounted in gas tank cabinet side.
Preferably, the gas tank bottom of box is provided with gas tank pressure relief flange.
Preferably, gas tank cabinet front is equipped with isolation fracture observation window, observes isolation for operator Situation.
Preferably, the Cubicle Gas-Insulated Switchgear gas tank, further includes support plate, the bearing Plate supports the worm gear central rotating shaft for assembling;The support plate is fixed on the gas tank cabinet wall.
Further, the gas tank cabinet is metal material.
The utility model has the advantages that Cubicle Gas-Insulated Switchgear gas tank provided by the invention and tri-station isolating switch, tool It has the advantage that
1, tri-station isolating switch selects circle copper tool lock formula, increases fracture insulating capacity.Disconnecting switch is using rotation disconnecting link formula, knife Switch is fixed on circuit breaker polar rear end.
2, circuit breaker polar can sealing vacuum bubbles also install by the later period in advance, flexibly selects, meets the requirement of different user.
3, gas tank bottom is equipped with pressure relief flange, and pressure relief flange uses thin plate, the most weak place of cabinet body is located at gas tank bottom Portion, release channel are dedicated and and are environmentally isolated.
4, circuit breaker polar can sealing vacuum bubbles also install by the later period in advance, flexibly selects, meets the requirement of different user. Breaker mechanism is various informative, can spring also permanent magnetism.
5, gas tank is equipped with the safety measure of multiple protective operator, such as three station isolated location observation windows, pressure relief flange Deng.
6, pressure relief flange uses thin plate, and the most weak place of cabinet body is located at gas tank bottom, release channel be it is dedicated and Be environmentally isolated.
Detailed description of the invention
Fig. 1 is the main view of the Cubicle Gas-Insulated Switchgear gas tank of embodiment;
Fig. 2 is the front view of the Cubicle Gas-Insulated Switchgear gas tank of embodiment;
Fig. 3 is the bottom view of the Cubicle Gas-Insulated Switchgear gas tank of embodiment;
Fig. 4, Fig. 5 are the structural schematic diagram of the tri-station isolating switch of embodiment;
Fig. 6 is the ground connection schematic diagram of embodiment tri-station isolating switch;
Fig. 7 is the combined floodgate schematic diagram of embodiment tri-station isolating switch;
In figure: tri-station isolating switch 1, circuit breaker polar 2, gas tank cabinet 3, isolated operation mechanism 4, circuit breaker operation mechanism 5;
Grounding contact 101, operator contact 102, moving knife blade 103, moving knife support 104, moving knife connecting lever 105, insulated pull rod 106, Transmission crank arm 107, worm gear 108, worm screw 109;Pole supporting insulator 201, outlet copper bar 202, outlet casing tube 301, grounding parts Divide 302, ground connection copper billet 303;Bus extends casing 304, gas tank pressure relief flange 305, isolation fracture observation window 306, support plate 307;Gas chamber clapboard 701.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.
Embodiment 1
As shown in Figure 4, Figure 5, a kind of tri-station isolating switch 1, comprising: the grounding contact 101 being electrically connected with earth-return circuit and mother The operator contact 102 of line electrical connection, moving knife blade 103, moving knife support 104, moving knife connecting lever 105, insulated pull rod 106, transmission are turned Arm 107, worm gear 108, worm screw 109;
The moving knife blade 103 is hingedly mounted on moving knife support 104, can be around hinge joint rotary motion;The moving knife connecting lever 105 one end are fixedly connected on moving knife blade 103, and the other end is connect with 106 one end of insulated pull rod by bolt and nut, and insulation is drawn 106 other end of bar is connect with transmission crank arm 107 by pin shaft, and the transmission crank arm 107 and the central rotating shaft of worm gear 108 are affixed;
As shown in figure 5, the worm gear 108 engages connection with worm screw 109, the worm screw 109 connect with isolated operation mechanism 4;
The operator contact 102 is located at 103 top of moving knife blade, and the grounding contact 101 is located at 103 rear of moving knife blade;
Under the active role power of isolated operation mechanism 4, working in coordination and acting by worm screw 109 and worm gear 108, worm screw 109 are moved forward and backward worm gears 108 are driven to rotate, pass sequentially through transmission crank arm 107, insulated pull rod 106, moving knife connecting lever 105 drive it is dynamic Knife blade 103 around hinge joint rotary motion, make the contact of moving knife blade 103 by operator contact 102 and grounding contact 101 it Between rotation realize rotary separating brake, combined floodgate or ground connection.Tri-station isolating switch 1 passes through worm screw 109 and worm gear using rotatably 108 transmissions, integrated operation are more convenient.
As shown in fig. 6, the contact of moving knife blade 103 is contacted with grounding contact 101, so that the tri-station isolating switch 1 Positioned at earthing position.
As shown in fig. 7, the contact of moving knife blade 103 is contacted with operator contact 102, so that the tri-station isolating switch 1 Positioned at closing position.
Preferably, in some embodiments, as shown in figure 4, the center of the transmission crank arm 107 and worm gear 108 Shaft is fixedly connected by spline.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of Cubicle Gas-Insulated Switchgear gas tank, including gas tank cabinet 3, in institute State the tri-station isolating switch 1 and breaker that gas tank cabinet 3 is provided in above-described embodiment;
Isolated operation mechanism 4 and circuit breaker operation mechanism 5 are installed in 3 front of gas tank cabinet;Isolated operation mechanism 4 and disconnected About 5 road device operating mechanism is arranged;Structure as breaker under upper isolation;
The moving knife support 104 of the tri-station isolating switch is fixed on the rear end of circuit breaker polar 2;
Every 2 lower end of phase circuit breaker polar has the support of pole supporting insulator 201 to fix respectively;For guaranteeing disconnecting switch and open circuit The intensity of device.
The worm screw 109 of the tri-station isolating switch 1 connect with isolated operation mechanism 4, passes through operation isolation operating mechanism 4 Realize rotary divide-shut brake or ground connection;
The running part of the breaker is connect with circuit breaker operation mechanism 5, realizes open circuit by operating breaker operating mechanism 5 Vacuum interrupter cut-offs in device pole 2.
In some embodiments, as shown in Figure 1, the Cubicle Gas-Insulated Switchgear gas tank, further includes Thread casing 301, the outlet casing tube 301 are located at 3 front of gas tank cabinet, left, center, right arrangement;Breaker is connect with outlet copper bar 202 Gas tank cabinet 3 is pierced by by outlet casing tube 301 afterwards.
The Cubicle Gas-Insulated Switchgear gas tank further includes grounded part 302, the grounded part 302 Rear portion in gas tank cabinet 3,302 upper end of grounded part are fixedly connected with grounding contact 101, and 302 lower end of grounded part passes through Ground connection copper billet 303 is guided to earth current outside gas tank cabinet 3.
In some embodiments, as shown in Figure 1, being also equipped with bus extension casing 304 on the gas tank cabinet 3;It is described It includes A phase bus extension casing, B phase bus extension casing, C phase bus extension casing that bus, which extends casing 304,.A phase bus expands The top that casing, B phase bus extension casing, C phase bus extension casing can be loaded on gas tank cabinet 3 is opened up, gas tank cabinet 3 can also be mounted in Side.
In some embodiments, as shown in Figure 1,3 bottom of gas tank cabinet is provided with gas tank pressure relief flange 305.
In some embodiments, it as shown in Figure 1,3 front of gas tank cabinet is equipped with isolation fracture observation window 306, is used for Operator observes isolated location situation.
In some embodiments, as shown in Figure 1, shown in Figure 5, the Cubicle Gas-Insulated Switchgear gas tank, is also wrapped Support plate 307 is included, the support plate 307 supports 108 central rotating shaft of worm gear for assembling;The support plate 307 is fixed on On 3 inner wall of gas tank cabinet.
Preferably, the gas tank cabinet 3 is metal material.
Cubicle Gas-Insulated Switchgear gas tank provided by the invention, wherein tri-station isolating switch 1 is using rotation Disconnecting link formula, knife-like switch are fixed on 2 rear end of circuit breaker polar, and circuit breaker polar 2 uses epoxy resin or composite insulating material, vacuum Bubble can sealing also the later period is mounted in epoxy resin or composite insulating material, exposed live part is pressed using circular Part, the modes such as oblate feeder line improve live part electric field, and corresponding insulation water can be reached at normal atmospheric pressure It is flat.
2. on-load switch transmission is directly driven using main shaft, in such a way that transmission rotates moving knife blade.
3. insulating gas can dry air, high-purity nitrogen or SF6Equal insulating gas.
4. bus wire phase sequence be before in after, outlet phase sequence using left, center, right arrange.
5. 3 bottom of gas tank cabinet is equipped with gas tank pressure relief flange 305, for being connected to pressure release passage.7. high-tension cable room 6 and letting out Special gas chamber clapboard 701 is equipped between pressure passageway room 7 to separate.
It can also be permanent magnetism form 6. breaker mechanism can operate for spring.
7. gas tank is equipped with three station isolation fracture observation windows, operation and service personnel can understand the real-time position of three stations at any time It sets.
8. using insulated pull rod between moving knife connecting lever and transmission crank arm, guarantee has enough electrical distances.
9. isolated operation mechanism acts on worm gear and worm screw, by the cooperation between worm gear and worm screw, make moving knife blade point Other places are in divide-shut brake, earthing position.
Cubicle Gas-Insulated Switchgear gas tank of the invention, using stainless steel plate welding structure, using Laser Welding Connection technology is synchronized to vacuumize and be answered with inflation technology, SF6 gas leak detection technology using novel solid interface insulation piugging technology For between each gas chamber, between cabinet body and pressure can be used in the connection of the external high voltage device such as voltage transformer, arrester, dielectric The insulating gas such as contracting air, N2 and SF6.Equipment, which uses rupture pressure disc in design production process and devises pressure release, leads to Road makes maintenance personnel be almost reduced to zero by the probability of accident injury.Running part is cooperated using the mechanical gear of high reliablity.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of tri-station isolating switch characterized by comprising grounding contact and the bus electricity being electrically connected with earth-return circuit Operator contact, moving knife blade, moving knife support, moving knife connecting lever, insulated pull rod, transmission crank arm, the worm gear, worm screw of connection;
The moving knife blade is hingedly mounted on moving knife support, can be around hinge joint rotary motion;Moving knife connecting lever one end is solid Surely it is connected on moving knife blade, the other end is connect with insulated pull rod one end, and the insulated pull rod other end is connect with transmission crank arm, described The central rotating shaft of transmission crank arm and worm gear is affixed;
The worm gear engages connection with worm screw, and the worm screw connect with isolated operation mechanism;
The operator contact is located above moving knife blade, and the grounding contact is located at moving knife blade rear;
Under the active role power of isolated operation mechanism, working in coordination and acting by worm screw and worm gear, worm screw is moved forward and backward Worm gear rotation is driven, transmission crank arm, insulated pull rod, moving knife connecting lever is passed sequentially through and drives moving knife blade around hinge joint rotary motion, The contact of moving knife blade is set to pass through the rotary separating brake of rotation realization, combined floodgate or ground connection between operator contact and grounding contact.
2. tri-station isolating switch according to claim 1, which is characterized in that the center of the transmission crank arm and worm gear turns Axis is fixedly connected by spline.
3. a kind of Cubicle Gas-Insulated Switchgear gas tank, which is characterized in that including gas tank cabinet, which is characterized in that The gas tank cabinet is provided with tri-station isolating switch and breaker of any of claims 1 or 2;
Isolated operation mechanism and circuit breaker operation mechanism are installed in gas tank cabinet front;Isolated operation mechanism and breaker Operating mechanism is arranged up and down;
The moving knife support of the tri-station isolating switch is fixed on the rear end of circuit breaker polar;
Every phase circuit breaker polar lower end has the support of pole supporting insulator to fix respectively;
The worm screw of the tri-station isolating switch connect with isolated operation mechanism, is realized by operation isolation operating mechanism rotary Divide-shut brake or ground connection;
The running part of the breaker is connect with circuit breaker operation mechanism, realizes breaker by operating breaker operating mechanism Middle vacuum interrupter is cut-off.
4. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that further include lead collar Pipe, the outlet casing tube are located at gas tank cabinet front, left, center, right arrangement;Breaker connect with outlet copper bar after by outlet casing tube It is pierced by gas tank cabinet.
5. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that further include grounding parts Point, the grounded part is located at the intracorporal rear portion of gas tank case, and grounded part upper end is fixedly connected with grounding contact, grounded part lower end Earth current is guided to outside gas tank cabinet by ground connection copper billet.
6. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that the gas tank cabinet On be also equipped with bus extension casing;The bus extension casing includes A phase bus extension casing, B phase bus extension casing, C Phase bus extends casing.
7. Cubicle Gas-Insulated Switchgear gas tank according to claim 6, which is characterized in that the extension of A phase bus Casing, B phase bus extension casing, C phase bus extension casing are loaded on the top of gas tank cabinet, or are mounted in gas tank cabinet side.
8. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that the gas tank cabinet Bottom is provided with gas tank pressure relief flange.
9. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that gas tank cabinet front Equipped with isolation fracture observation window, isolated location situation is observed for operator.
10. Cubicle Gas-Insulated Switchgear gas tank according to claim 3, which is characterized in that further include bearing Plate, the support plate support the worm gear central rotating shaft for assembling;The support plate is fixed on the gas tank cabinet wall.
CN201910338693.8A 2019-04-25 2019-04-25 A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank Pending CN109962427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910338693.8A CN109962427A (en) 2019-04-25 2019-04-25 A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910338693.8A CN109962427A (en) 2019-04-25 2019-04-25 A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank

Publications (1)

Publication Number Publication Date
CN109962427A true CN109962427A (en) 2019-07-02

Family

ID=67026477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910338693.8A Pending CN109962427A (en) 2019-04-25 2019-04-25 A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank

Country Status (1)

Country Link
CN (1) CN109962427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114994527A (en) * 2022-07-15 2022-09-02 中国电力科学研究院有限公司 Perfluoroisobutyronitrile insulated metal enclosed switchgear grounding closing test device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202339871U (en) * 2011-12-16 2012-07-18 川开电气股份有限公司 Gas-insulated three-station isolating switch
CN202434408U (en) * 2011-12-29 2012-09-12 仪征市电瓷电器有限责任公司 Medium-voltage gas insulation isolation switch
CN106654966A (en) * 2017-03-15 2017-05-10 广东阿尔派电力科技股份有限公司 Environment-friendly gas-insulated ring main unit
CN106848909A (en) * 2017-04-24 2017-06-13 江苏大全长江电器股份有限公司 One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative
CN108539651A (en) * 2018-06-19 2018-09-14 青岛特锐德电气股份有限公司 A kind of medium pressure gas insulated metal closed switch equipment
CN209748046U (en) * 2019-04-25 2019-12-06 上海巴佩开关设备有限公司 Three-station isolating switch and gas tank of gas insulated metal-enclosed switchgear

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202339871U (en) * 2011-12-16 2012-07-18 川开电气股份有限公司 Gas-insulated three-station isolating switch
CN202434408U (en) * 2011-12-29 2012-09-12 仪征市电瓷电器有限责任公司 Medium-voltage gas insulation isolation switch
CN106654966A (en) * 2017-03-15 2017-05-10 广东阿尔派电力科技股份有限公司 Environment-friendly gas-insulated ring main unit
CN106848909A (en) * 2017-04-24 2017-06-13 江苏大全长江电器股份有限公司 One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative
CN108539651A (en) * 2018-06-19 2018-09-14 青岛特锐德电气股份有限公司 A kind of medium pressure gas insulated metal closed switch equipment
CN209748046U (en) * 2019-04-25 2019-12-06 上海巴佩开关设备有限公司 Three-station isolating switch and gas tank of gas insulated metal-enclosed switchgear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114994527A (en) * 2022-07-15 2022-09-02 中国电力科学研究院有限公司 Perfluoroisobutyronitrile insulated metal enclosed switchgear grounding closing test device and method

Similar Documents

Publication Publication Date Title
CN102037534B (en) Circuit breaker with high speed mechanically-interlocked grounding switch
CN105490199B (en) Withdrawable air insulation ring main unit
CN106848909A (en) One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative
CN207474334U (en) A kind of isolation circuit breakers for dry air insulation ring main unit
CN203134677U (en) Insulating cylinder and main loop structure adopting same
WO2015043460A1 (en) High-speed grounding switch and grounding switch assembly unit composed thereof
CN109962426A (en) A kind of Cubicle Gas-Insulated Switchgear
CN109962427A (en) A kind of tri-station isolating switch and Cubicle Gas-Insulated Switchgear gas tank
CN202167787U (en) Environment-protection air-type solid-insulation high-voltage vacuum switch cabinet
CN209748046U (en) Three-station isolating switch and gas tank of gas insulated metal-enclosed switchgear
CN109950825A (en) A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down
CN209748045U (en) Gas-insulated metal-enclosed switchgear
CN209748042U (en) Gas-insulated metal-enclosed switchgear with upper and lower gas box structures
CN104112999A (en) Solid insulation ring main unit
CN201263054Y (en) Epoxy pouring solid insulation dual-isolation switch
CN106848908A (en) One kind is without bin static contact non-SF 6 gas insulative switchgear
CN209748043U (en) rotary propelling type gas tank of gas insulated metal-enclosed switchgear and three-station isolating switch
CN208460641U (en) Earthed system is isolated in three pole traction rectifier transformers
CN208781770U (en) A kind of operating mechanism device of solid-state insulated switchgear
CN209217565U (en) A kind of insulated switching installation
CN110011213A (en) Rotating propulsion type Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch
CN203301033U (en) Modularized solid insulating ring main unit
CN206640195U (en) One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative
CN202384691U (en) Isolated sealed electrode pillar and switch cabinet
CN201758099U (en) Switch device with isolated and grounded vacuum circuit breaker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination