CN109962426A - A kind of Cubicle Gas-Insulated Switchgear - Google Patents
A kind of Cubicle Gas-Insulated Switchgear Download PDFInfo
- Publication number
- CN109962426A CN109962426A CN201910338484.3A CN201910338484A CN109962426A CN 109962426 A CN109962426 A CN 109962426A CN 201910338484 A CN201910338484 A CN 201910338484A CN 109962426 A CN109962426 A CN 109962426A
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- Prior art keywords
- gas tank
- room
- gas
- cabinet
- moving knife
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 73
- 238000005516 engineering process Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of Cubicle Gas-Insulated Switchgear, bus-bar room, gas tank, gas tank pressure relief flange, pressure release passage room, high-tension cable room, secondary meter case, mechanism operating room are provided in cabinet body；Tri-station isolating switch and breaker are installed in gas tank；Mechanism operating room is located at gas tank cabinet front, and mechanism operates indoor location isolated operation mechanism, circuit breaker operation mechanism；High-tension cable room and pressure release passage room are located at the gas tank bottom of box, and high-tension cable room and pressure release passage room are provided with gas chamber clapboard and are separated；Gas tank pressure relief flange is loaded on the bottom of gas tank cabinet, and is connected with pressure release passage room；Enter high-tension cable room after breaker is connect with outlet copper bar in gas tank after outlet casing tube is pierced by gas tank cabinet；Secondary meter case is mounted on gas tank cabinet；Bus-bar room is located at the top or side of gas tank cabinet；Bus in gas tank is extended after casing passes through gas tank cabinet by bus to be set in the bus-bar room.
Description
Technical field
The invention belongs to electric system equipment for power transmission and distribution manufacturing technology fields, and in particular to a kind of gas-insulated metal-enclosed
Switchgear.
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, abbreviation C-GIS, C-GIS equipment are
Controller switching equipment of the specialized application that last century end grows up in medium voltage network, safety outstanding, reliability make it at this
Beginning of the century is grown rapidly, and keeps C-GIS manufacturing rapidly growing, manufacturing technology is advanced by leaps and bounds.
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 gas-insulated metal enclosed switchgear
Equipment.
A kind of Cubicle Gas-Insulated Switchgear, including cabinet body are provided with bus-bar room, gas tank, gas in the cabinet body
Case pressure relief flange, pressure release passage room, high-tension cable room, secondary meter case, mechanism operating room；
Tri-station isolating switch and breaker are installed in the gas tank；
The mechanism operating room is located at gas tank cabinet front, and mechanism operates indoor location isolated operation mechanism, breaker operator machine
Structure；Isolated operation mechanism and circuit breaker operation mechanism are arranged up and down；
The high-tension cable room and pressure release passage room are located at the gas tank bottom of box, and high-tension cable room and pressure release passage room are provided with gas
Room partition is separated；
The gas tank pressure relief flange is loaded on the bottom of gas tank cabinet, and is connected with pressure release passage room；
Enter high-tension cable room after breaker is connect with outlet copper bar in the gas tank after outlet casing tube is pierced by gas tank cabinet；
The secondary meter case is mounted on gas tank cabinet；
The bus-bar room is located at the top or side of gas tank cabinet；Bus in the gas tank extends casing by bus and passes through gas
It is set to after box body in the bus-bar room.
Preferably, the tri-station isolating switch includes the grounding contact and bus 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 electrical 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.
Further, the Cubicle Gas-Insulated Switchgear, the central rotating shaft of the transmission crank arm and worm gear
It is fixedly connected by spline.
Preferably, the gas tank includes gas tank cabinet, is provided with tri-station isolating switch in the gas tank cabinet
And breaker；
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.
Preferably, the outlet casing tube is located at gas tank cabinet front, left, center, right arrangement；Breaker and outlet copper bar
Gas tank cabinet is pierced by by outlet casing tube after connection.
Preferably, the Cubicle Gas-Insulated Switchgear further includes grounded part, the grounding parts
For quartile in the intracorporal rear portion of gas tank case, grounded part upper end is fixedly connected with grounding contact, and grounded part lower end passes through ground connection copper billet
Earth current is guided to outside gas tank cabinet.
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.
Preferably, gas tank cabinet front is equipped with isolation fracture observation window, observes isolation for operator
Situation.
Preferably, the Cubicle Gas-Insulated Switchgear further includes support plate, and the support plate is used
The worm gear central rotating shaft is supported in assembly；The support plate is fixed on the gas tank cabinet wall.
Preferably, the cabinet body uses stainless steel plate welding structure.
In addition, circuit breaker polar use epoxy resin or composite insulating material, vacuum bubbles can sealing also the later period is mounted on
In epoxy resin or composite insulating material, exposed live part uses circular equal casting die, and the modes such as oblate feeder line change
Kind live part electric field, can reach corresponding dielectric level at normal atmospheric pressure.
The utility model has the advantages that Cubicle Gas-Insulated Switchgear provided by the invention, has the advantage that
1, disconnecting switch selects circle copper tool lock formula, increases fracture insulating capacity.For disconnecting switch using rotation disconnecting link formula, knife-like switch is solid
It is scheduled on circuit breaker polar rear end.
2, 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.Cabinet body is equipped with special pressure release passage, and final gas will enter cable duct.
Special partition is equipped between cable vault and pressure release passage to separate.
3, the expansion of cabinet body top can be used in bus extension casing, can also be in such a way that cabinet body side is expanded.The present invention is using a variety of
Pressure and insulating means, can be realized miniaturization.
4, circuit breaker polar can sealing vacuum bubbles also install by the later period in advance, flexibly selects, meets the requirement of different user.
5, the configuration of the present invention is simple is readily produced tissue, non-maintaining.
Detailed description of the invention
Fig. 1 is the main view of the Cubicle Gas-Insulated Switchgear of embodiment；
Fig. 2 is the front view of the Cubicle Gas-Insulated Switchgear of embodiment；
Fig. 3 is the bottom view of the Cubicle Gas-Insulated Switchgear of embodiment；
Fig. 4 is the top view of the Cubicle Gas-Insulated Switchgear of embodiment；
Fig. 5 to Fig. 7 is the structural schematic diagram of gas tank in embodiment；
Fig. 8, Fig. 9 are the structural schematic diagram of tri-station isolating switch in embodiment gas tank；
Figure 10 is the ground connection schematic diagram of embodiment tri-station isolating switch；
Figure 11 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,
High-tension cable room 6, pressure release passage room 7, secondary meter case 8, mechanism operating room 9, bus-bar room 10；
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 1, Figure 2, Figure 3, Figure 4, a kind of Cubicle Gas-Insulated Switchgear, including cabinet body are set in the cabinet body
It is equipped with bus-bar room 10, gas tank, pressure release passage room 7, high-tension cable room 6, secondary meter case 8, mechanism operating room 9；
The gas tank cabinet is provided with tri-station isolating switch 1 and breaker；
Isolated operation mechanism 4, circuit breaker operation mechanism 5 are installed in the mechanism operating room 9；Isolated operation mechanism 4 and breaker
About 5 operating mechanism is arranged；
The high-tension cable room 6 is located at 3 bottom of gas tank cabinet with pressure release passage room 7, and high-tension cable room 6 and pressure release passage room 7 are set
Gas chamber clapboard 701 is equipped with to be separated；
The gas tank pressure relief flange 305 is loaded on the bottom of gas tank cabinet 3, and is connected with pressure release passage room 7；
Enter high pressure after breaker is connect with outlet copper bar 202 in the gas tank after outlet casing tube 301 is pierced by gas tank cabinet 3
Cable vault 6；
The secondary meter case 8 is mounted on gas tank cabinet 3；
The bus-bar room 10 is located at the top or side of gas tank cabinet 3；Bus in the gas tank extends casing 304 by bus
It is set to after gas tank cabinet 3 in the bus-bar room 10.
In some embodiments, as shown in Figures 5 to 7, the gas tank includes gas tank cabinet 3, in the gas tank cabinet 3
Equipped with tri-station isolating switch 1 and breaker；
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；
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.
In some embodiments, as shown in Figure 8, Figure 9, a kind of tri-station isolating switch 1, comprising: be electrically connected with earth-return circuit
The grounding contact 101 connect, the operator contact 102, moving knife blade 103, moving knife support 104, the moving knife connecting lever that are electrically connected with bus
105, insulated pull rod 106, transmission crank 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, and the transmission crank arm 107 and the central rotating shaft of worm gear 108 are affixed；
As shown in figure 9, 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 Figure 10, 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 figure 11, 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 8, the center of the transmission crank arm 107 and worm gear 108
Shaft is fixedly connected by spline.
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, grounded part 302 are located at the rear portion in gas tank cabinet 3,
302 upper end of grounded part is fixedly connected with grounding contact 101, and earth current is drawn by being grounded copper billet 303 in 302 lower end of grounded part
To outside gas tank cabinet 3.
In some embodiments, as shown in figure 5, 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.The bus-bar room 10 extends the installation site of casing according to bus to use the mode that cabinet body top is expanded or cabinet body side is expanded.
In some embodiments, as shown in figure 5,3 bottom of gas tank cabinet is provided with gas tank pressure relief flange 305.
In some embodiments, it as shown in figure 5,3 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 Fig. 5, Fig. 8, Fig. 9, the Cubicle Gas-Insulated Switchgear gas tank,
It further include support plate 307, the support plate 307 supports 108 central rotating shaft of worm gear for assembling；The support plate 307 is solid
It is scheduled on 3 inner wall of gas tank cabinet.
Preferably, the cabinet body is stainless steel plate welding structure.
Cubicle Gas-Insulated Switchgear provided by the invention, tri-station isolating switch 1 are moved using rotation disconnecting link formula
Knife-like switch moving knife support uses epoxy resin or composite insulating material, vacuum by being fixed on breaker rear end, circuit breaker polar 2
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. the gas tank cabinet of sealing uses laser welding form, the variation of internal environment uses air gauge, humidity indicator
Etc. modes be monitored, guarantee insulation high reliability.
5. the expansion of cabinet body top can be used in bus extension casing 304, can also be in such a way that cabinet body side is expanded.
6. 3 bottom of gas tank cabinet is equipped with gas tank pressure relief flange 305, cabinet body is equipped with special pressure release passage room 7, final gas
Cable duct will be entered.
7. being equipped with special gas chamber clapboard 701 between high-tension cable room 6 and pressure release passage room 7 to separate.
Cubicle Gas-Insulated Switchgear of the invention, using stainless steel plate welding structure, using laser welding skill
Art is synchronized and is vacuumized and inflation technology, SF6Gas leak detection technology is applied to using novel solid interface insulation piugging technology
Between each gas chamber, between cabinet body and the connection of the external high voltage device such as voltage transformer, arrester, it is empty that compression can be used in dielectric
Gas, N2And SF6Equal insulating gas.Equipment uses rupture pressure disc in design production process and devises pressure relief channels, makes to tie up
Shield personnel are almost reduced to zero by the probability of accident injury.Hermetically sealed cabinet body structure, by conductor and some high voltage devices completely with
External environment isolation, influences, laser welding so as to avoid damp and hot, condensation, air pollution etc. as caused by weather, environmental change
The application of technique, novel solid insulator interface piugging technology and silica gel material makes between each gas chamber of cabinet body, cabinet body and external environment
Sealing performance and cabinet body intensity etc. are greatly improved.
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 Cubicle Gas-Insulated Switchgear, including cabinet body, which is characterized in that be provided with bus in the cabinet body
Room, gas tank, gas tank pressure relief flange, pressure release passage room, high-tension cable room, secondary meter case, mechanism operating room；
Tri-station isolating switch and breaker are installed in the gas tank；
The mechanism operating room is located at gas tank cabinet front, and mechanism operates indoor location isolated operation mechanism, breaker operator machine
Structure；Isolated operation mechanism and circuit breaker operation mechanism are arranged up and down；
The high-tension cable room and pressure release passage room are located at the gas tank bottom of box, and high-tension cable room and pressure release passage room are provided with gas
Room partition is separated；
The gas tank pressure relief flange is loaded on the bottom of gas tank cabinet, and is connected with pressure release passage room；
Enter high-tension cable room after breaker is connect with outlet copper bar in the gas tank after outlet casing tube is pierced by gas tank cabinet；
The secondary meter case is mounted on gas tank cabinet；
The bus-bar room is located at the top or side of gas tank cabinet；Bus in the gas tank extends casing by bus and passes through gas
It is set to after box body in the bus-bar room.
2. Cubicle Gas-Insulated Switchgear according to claim 1, which is characterized in that
The tri-station isolating switch include the grounding contact being electrically connected with earth-return circuit, the operator contact being electrically connected with bus,
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.
3. Cubicle Gas-Insulated Switchgear according to claim 2, which is characterized in that
The transmission crank arm is fixedly connected with the central rotating shaft of worm gear by spline.
4. Cubicle Gas-Insulated Switchgear according to claim 2, which is characterized in that
The gas tank includes gas tank cabinet, is provided with tri-station isolating switch and breaker in the gas tank cabinet；
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.
5. Cubicle Gas-Insulated Switchgear according to claim 4, which is characterized in that
The outlet casing tube is located at gas tank cabinet front, left, center, right arrangement；Breaker connect with outlet copper bar after by lead collar
Pipe is pierced by gas tank cabinet.
6. Cubicle Gas-Insulated Switchgear according to claim 4, which is characterized in that it further include grounded part,
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, and grounded part lower end is logical
Ground connection copper billet is crossed to guide to outside gas tank cabinet earth current.
7. Cubicle Gas-Insulated Switchgear according to claim 1, which is characterized in that on the gas tank cabinet also
Bus extension casing is installed；The bus extension casing includes A phase bus extension casing, B phase bus extension casing, C phase mother
Line extends casing.
8. Cubicle Gas-Insulated Switchgear according to claim 4, which is characterized in that gas tank cabinet front
Equipped with isolation fracture observation window, isolated location situation is observed for operator.
9. Cubicle Gas-Insulated Switchgear according to claim 4, which is characterized in that it further include support plate, institute
State support plate for assemble the support worm gear central rotating shaft；The support plate is fixed on the gas tank cabinet wall.
10. Cubicle Gas-Insulated Switchgear according to claim 4, which is characterized in that the cabinet body is not using
Become rusty welded-steel plate construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338484.3A CN109962426A (en) | 2019-04-25 | 2019-04-25 | A kind of Cubicle Gas-Insulated Switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338484.3A CN109962426A (en) | 2019-04-25 | 2019-04-25 | A kind of Cubicle Gas-Insulated Switchgear |
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| Publication Number | Publication Date |
|---|---|
| CN109962426A true CN109962426A (en) | 2019-07-02 |
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|---|---|---|---|
| CN201910338484.3A Pending CN109962426A (en) | 2019-04-25 | 2019-04-25 | A kind of Cubicle Gas-Insulated Switchgear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943393A (en) * | 2019-11-29 | 2020-03-31 | 河南平高通用电气有限公司 | Gas insulation looped netowrk cabinet |
| CN112531546A (en) * | 2020-12-07 | 2021-03-19 | 北京双杰电气股份有限公司 | Hybrid insulated switchgear |
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| CN102543555A (en) * | 2011-12-29 | 2012-07-04 | 仪征市电瓷电器有限责任公司 | Medium voltage type gas insulation disconnecting switch |
| CN205159899U (en) * | 2015-11-17 | 2016-04-13 | 中天电气技术有限公司 | Cabinet is aerifyd in totally enclosed environmental protection |
| 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 |
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| CN110943393A (en) * | 2019-11-29 | 2020-03-31 | 河南平高通用电气有限公司 | Gas insulation looped netowrk cabinet |
| CN110943393B (en) * | 2019-11-29 | 2021-08-27 | 河南平高通用电气有限公司 | Gas insulation looped netowrk cabinet |
| CN112531546A (en) * | 2020-12-07 | 2021-03-19 | 北京双杰电气股份有限公司 | Hybrid insulated switchgear |
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