CN209748042U - Gas-insulated metal-enclosed switchgear with upper and lower gas box structures - Google Patents
Gas-insulated metal-enclosed switchgear with upper and lower gas box structures Download PDFInfo
- Publication number
- CN209748042U CN209748042U CN201920575580.5U CN201920575580U CN209748042U CN 209748042 U CN209748042 U CN 209748042U CN 201920575580 U CN201920575580 U CN 201920575580U CN 209748042 U CN209748042 U CN 209748042U
- Authority
- CN
- China
- Prior art keywords
- chamber
- box
- gas
- circuit breaker
- air box
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 62
- 238000000034 method Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
the utility model discloses a gas insulated metal enclosed switchgear with upper and lower gas box structure, comprising a gas box and a cabinet body; the air box is separated by a partition plate in the horizontal direction and is divided into an isolating switch chamber air box and a breaker chamber air box from top to bottom; forming an upper air box structure and a lower air box structure; a three-position isolating switch is arranged in the isolating switch chamber air box; a circuit breaker assembly is installed in the circuit breaker chamber gas tank; a rear seal pressure relief flange is arranged on the rear side surface of the gas box of the circuit breaker chamber; a primary cable chamber, a reserved compartment, a mechanism operating chamber and a secondary instrument box are arranged in the cabinet body; the mechanism operating chamber is positioned at the front part of the air box, and an isolation operating mechanism and a circuit breaker operating mechanism are arranged in the mechanism operating chamber; the isolation operating mechanism and the circuit breaker operating mechanism are arranged up and down; the primary cable chamber and the reserved compartment are positioned at the bottom of the air box; the circuit breaker assembly is connected with the outgoing line copper bar, penetrates out of the gas box of the circuit breaker chamber through the outgoing line connector and then enters the primary cable chamber; the secondary instrument box is arranged on the air box.
Description
Technical Field
the utility model belongs to the technical field of power transmission and distribution equipment of electric power system makes, concretely relates to gas insulated metal enclosed switchgear of gas tank structure from top to bottom.
background
In the traditional medium voltage network system in China, especially in the high voltage level of 40.5kV, the traditional switch equipment has fatal problems, such as: the contact box and the wall-through conduit are easy to generate corona discharge, and at present, various manufacturers adopt a shielding method to solve the problem. The secondary plug of some handcart is on the left side of the handcart, so that the handcart is inconvenient to use, and the hose can be damaged after being rubbed for many times when the handcart body is pushed in. The contact box and the wall-through conduit are easy to generate corona discharge, and at present, various manufacturers adopt a shielding method to solve the problem. The secondary plug of some handcart is on the left side of the handcart, so that the handcart is inconvenient to use, and the hose can be damaged after being rubbed for many times when the handcart body is pushed in. The contact box and the wall-through conduit are easy to generate corona discharge, and at present, various manufacturers adopt a shielding method to solve the problem. The secondary plug of some handcart is on the left side of the handcart, so that the handcart is inconvenient to use, and the hose can be damaged after being rubbed for many times when the handcart body is pushed in.
in order to improve the power supply reliability, along with the rapid development of modern social economy and modern industrial technology, the power demand is continuously increased in various industries, particularly a medium-voltage distribution system plays a role of 'starting and stopping' in the whole distribution system and occupies a very important position, so that the performance of medium-voltage distribution equipment is good and important for the safe and continuous operation of the whole power grid. The gas insulated metal enclosed switchgear, called C-GIS for short, is a power distribution equipment developed at the end of the last century and specially applied to a medium-voltage system, and the outstanding safety and reliability enable the power distribution equipment to be rapidly developed at the beginning of the century, so that the C-GIS manufacturing industry is rapidly developed, and the manufacturing technology is rapidly advanced.
SUMMERY OF THE UTILITY MODEL
The purpose is as follows: in order to overcome the defects existing in the prior art, the utility model provides a gas insulated metal enclosed switchgear of upper and lower gas tank structure.
A gas-insulated metal-enclosed switchgear with upper and lower gas box structure comprises a gas box and a cabinet body,
The air box is separated by a partition plate in the horizontal direction and is divided into an isolating switch chamber air box and a breaker chamber air box; the isolating switch chamber gas box is arranged above the breaker chamber gas box to form an upper gas box and a lower gas box structure;
The three-position isolating switch is mounted in the isolating switch chamber air box; a circuit breaker assembly is mounted in the circuit breaker chamber gas box;
A rear seal pressure relief flange is arranged on the rear side surface of the gas box of the circuit breaker chamber;
A primary cable chamber, a reserved compartment, a mechanism operating chamber and a secondary instrument box are arranged in the cabinet body;
the mechanism operating chamber is positioned at the front part of the air box, and an isolation operating mechanism and a circuit breaker operating mechanism are arranged in the mechanism operating chamber; the isolation operating mechanism and the circuit breaker operating mechanism are arranged up and down;
The primary cable chamber and the reserved compartment are positioned at the bottom of the air box;
The circuit breaker assembly is connected with the outgoing line copper bar, penetrates out of the air box through the outgoing line connector and then enters the primary cable chamber;
The secondary instrument box is installed on the air box.
preferably, the gas-insulated metal-enclosed switchgear with upper and lower gas box structures,
The three-station isolating switch comprises a grounding contact electrically connected with a grounding loop, a main knife contact electrically connected with a bus, a moving knife blade, a moving knife support, a moving knife crank arm, an insulating pull rod, a transmission crank arm, a worm wheel and a worm;
The movable knife blade is hinged on the movable knife support and can rotate around a hinged point; one end of the movable cutter crank arm is fixedly connected to the movable cutter blade, the other end of the movable cutter crank arm is connected with one end of an insulating pull rod, the other end of the insulating pull rod is connected with a transmission crank arm, and the transmission crank arm is fixedly connected with a central rotating shaft of the worm wheel;
The worm wheel is meshed with the worm, and the worm is connected with the isolation operating mechanism;
The grounding contact is positioned above the movable cutter blade, and the main cutter contact is positioned behind the movable cutter blade;
Under the active action force of the isolation operating mechanism, the worm moves back and forth to drive the worm wheel to rotate through the mutual matching and action of the worm and the worm wheel, the movable cutter blade is driven to rotate around a hinge point through the transmission connecting lever, the insulating pull rod and the movable cutter connecting lever in sequence, and the contact of the movable cutter blade rotates between the main cutter contact and the grounding contact to realize rotary switching-off, switching-on or grounding.
furthermore, the transmission crank arm is fixedly connected with the central rotating shaft of the worm wheel through a spline.
As a preferred scheme, the movable blade support of the three-station isolating switch is fixed on a partition plate of the gas tank;
and the partition plate is provided with an outlet connecting sleeve for the arrangement and the penetration of a connecting wire of the movable knife blade and the breaker assembly.
As a preferred scheme, the gas insulated metal enclosed switchgear with the upper and lower gas box structures is characterized in that a transmission part of the breaker assembly is connected with a breaker operating mechanism, and the breaker operating mechanism is operated to realize the on-off of a vacuum arc extinguish chamber in the breaker assembly.
Preferably, the gas-insulated metal-enclosed switchgear with upper and lower gas box structures,
the outlet connector is positioned at the bottom of the gas box of the circuit breaker chamber; the circuit breaker assembly penetrates out of the air box through the wire outlet connector and enters the primary cable chamber after being connected with the wire outlet copper bar.
as a preferred scheme, the gas insulated metal enclosed switchgear with the upper and lower gas box structures, wherein the gas box of the isolating switch chamber is also provided with a bus extension sleeve; the bus extension sleeve comprises an A-phase bus extension sleeve, a B-phase bus extension sleeve and a C-phase bus extension sleeve; the bus extension sleeve is installed at the top of the gas box of the isolating switch chamber. And the three-phase bus in the gas box of the isolating switch room penetrates out of the gas box of the isolating switch room through bus extension sleeves respectively.
Preferably, the gas-insulated metal-enclosed switchgear with the upper and lower gas tank structures further comprises a bearing plate, wherein the bearing plate is used for assembling and supporting the central rotating shaft of the worm gear; the support plate is fixed on the inner wall of the gas tank of the isolating switch chamber.
as a preferred scheme, the cabinet body adopts a stainless steel plate welding structure.
In addition, the circuit breaker component is made of epoxy resin or composite insulating materials, vacuum bubbles can be sealed in a fixed mode or can be installed in the epoxy resin or the composite insulating materials in a later period, the exposed electrified part adopts modes of a circular voltage-sharing piece, an oblate feeder line and the like, the electric field of the electrified part is improved, and the corresponding insulation level can be achieved even under normal atmospheric pressure.
Has the advantages that: the utility model provides a gas insulated metal enclosed switchgear of upper and lower gas tank structure has following advantage:
1. the air box is separated by a partition board arranged in the horizontal direction and is divided into an isolating switch chamber air box and a breaker chamber air box; the isolating switch chamber gas box is arranged above the breaker chamber gas box to form an upper gas box and a lower gas box structure; the layout is reasonable, and the installation is convenient.
2. The upper and lower structures of the isolation air box and the breaker air box are mutually independent and do not influence each other, and the air leakage or the fault of a certain air chamber does not influence another air chamber.
3. The isolating switch adopts a round copper knife switch type, so that the insulating capacity of a fracture is increased. The isolating switch adopts a rotary knife switch type, and the knife switch is fixed on the air box partition plate and is electrically connected with the breaker component through a connecting sleeve arranged on the partition plate.
4. The rear side surface of the air box is provided with a pressure relief flange which is provided with a pressure relief channel.
5. the circuit breaker assembly can be installed in a later period or a pre-sealed vacuum bulb, is flexible to select and use, and meets the requirements of different users.
6. the utility model discloses simple structure, easily production tissue, non-maintaining.
Drawings
fig. 1 is a front view of a gas insulated metal enclosed switchgear of an upper and lower gas box structure of an embodiment;
fig. 2 is a front view of the gas insulated metal enclosed switchgear of the upper and lower gas box structure of the embodiment;
FIG. 3 is a schematic diagram of a three-position isolator in an isolator room enclosure according to an embodiment;
In the figure: the three-station isolating switch comprises a three-station isolating switch 1, a circuit breaker assembly 2, an air box 3, an isolating operation mechanism 4, a circuit breaker operation mechanism 5, a primary cable chamber 6, a reserved compartment 7, a mechanism operation chamber 8 and a secondary instrument box 9;
an outlet copper bar 201 and an outlet connector 202;
An isolating switch chamber air box 301, a breaker chamber air box 302, a partition plate 303, a bus expansion sleeve 304, an outlet connecting sleeve 305, a supporting plate 306 and a rear seal pressure relief flange 307;
The device comprises a ground contact 101, a main knife contact 102, a movable knife blade 103, a movable knife support 104, a movable knife crank arm 105, an insulating pull rod 106, a transmission crank arm 107, a worm gear 108 and a worm 109.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example 1
As shown in fig. 1, 2 and 3, a gas insulated metal-enclosed switchgear with upper and lower gas tank structures comprises a gas tank 3 and a cabinet body,
The air box 3 is separated in the horizontal direction by a partition plate 303 and is divided into an isolating switch chamber air box 301 and a breaker chamber air box 302; the isolating switch chamber air box 301 is arranged above the breaker chamber air box 302 to form an upper air box structure and a lower air box structure;
Wherein, a three-position isolating switch 1 is arranged in the isolating switch chamber air box 301; a circuit breaker assembly 2 is installed in the circuit breaker chamber air box 302;
a rear seal pressure relief flange 307 is arranged on the rear side surface of the breaker chamber air box 302;
a primary cable chamber 6, a reserved compartment 7, a mechanism operating chamber 8 and a secondary instrument box 9 are arranged in the cabinet body;
The mechanism operation chamber 8 is positioned at the front part of the air box 3, and the isolation operation mechanism 4 and the circuit breaker operation mechanism 5 are arranged in the mechanism operation chamber 8; the isolation operating mechanism 4 and the circuit breaker operating mechanism 5 are arranged up and down;
The primary cable chamber 6 and the reserved compartment 7 are positioned at the bottom of the air box;
the circuit breaker assembly 2 is connected with the outgoing line copper bar 201, penetrates out of the circuit breaker chamber air box 302 through the outgoing line connector 202 and then enters the primary cable chamber;
the secondary instrument box 9 is mounted on the air box.
the gas tank 301 of the isolating switch room is further provided with a bus extension sleeve 304, and a three-phase bus in the gas tank 301 of the isolating switch room penetrates out of the gas tank 301 of the isolating switch room through the bus extension sleeve 304.
In some embodiments, as shown in fig. 3, the three-position disconnector 1 comprises: the grounding contact 101 is electrically connected with a grounding loop, the main knife contact 102 is electrically connected with a bus, the movable knife blade 103, the movable knife support 104, the movable knife crank arm 105, the insulating pull rod 106, the transmission crank arm 107, the worm gear 108 and the worm 109;
The movable knife blade 103 is hinged on the movable knife support 104 and can rotate around a hinge point; one end of the moving blade crank arm 105 is fixedly connected to the moving blade 103, the other end of the moving blade crank arm is connected with one end of an insulating pull rod 106 through a bolt and a nut, the other end of the insulating pull rod 106 is connected with a transmission crank arm 107 through a pin shaft, and the transmission crank arm 107 is fixedly connected with a central rotating shaft of a worm gear 108;
the worm wheel 108 is meshed with a worm 109, and the worm 109 is connected with the isolation operating mechanism 4;
the grounding contact 101 is positioned above the movable blade 103, and the main blade contact 102 is positioned behind the movable blade 103;
Under the active action force of the isolation operating mechanism 4, through the mutual matching and action of the worm 109 and the worm wheel 108, the worm 109 moves back and forth to drive the worm wheel 108 to rotate, and then the movable blade 103 is driven to rotate around a hinge point through the transmission connecting lever 107, the insulation pull rod 106 and the movable connecting lever 105 in sequence, so that the contact of the movable blade 103 rotates between the main blade contact 102 and the grounding contact 101 to realize rotary opening, closing or grounding. The three-position isolating switch 1 adopts a rotary type and is driven by the worm 109 and the worm gear 108, so that the whole operation is more convenient and faster.
Further, the transmission crank arm 107 is fixedly connected with the central rotating shaft of the worm gear 108 through a spline.
as a preferred scheme, in the gas insulated metal-enclosed switchgear with the upper and lower gas tank structures, the moving blade support 104 of the three-station isolating switch is fixed on a partition plate 303 of the gas tank; the moving blade support 104 functions to support the moving blade for rotation and is used to communicate with the circuit breaker assembly.
An outlet connecting sleeve 305 is arranged on the partition plate 303 and used for a connecting wire of the movable knife blade 103 and the breaker assembly 2 to pass through.
as a preferred scheme, the circuit breaker assembly 2 is fixed by the front plate of the air box, the movable knife support 104 and the outgoing line copper bar 201 together, so that the strength of the circuit breaker assembly is guaranteed during opening and closing actions; the outgoing line connector 202 is arranged on the bottom plate of the air box, and can use a primary cable as an outgoing line conductor; the reserved compartment 7 is arranged right below the air box 3 and the mechanism operating room 8 and can be used as secondary equipment expansion space.
The transmission part of the circuit breaker assembly 2 is connected with the circuit breaker operating mechanism 5, and the circuit breaker operating mechanism 5 is operated to realize the on-off of a vacuum arc extinguish chamber in the circuit breaker assembly.
Preferably, the gas-insulated metal-enclosed switchgear with upper and lower gas box structures,
The outlet connector 202 is positioned at the bottom of the gas box 302 of the breaker chamber; the circuit breaker assembly 2 is connected with the outgoing line copper bar 201 and then penetrates out of the air box through the outgoing line connector 202 to enter the primary cable chamber.
preferably, in the gas insulated metal-enclosed switchgear with the upper and lower gas box structures, a bus extension sleeve 304 is further installed on the gas box 3; the bus extension sleeve comprises an A-phase bus extension sleeve, a B-phase bus extension sleeve and a C-phase bus extension sleeve which are respectively arranged at the back, the middle and the front; the bus extension sleeve is mounted on top of the isolator cabinet air box 301.
preferably, the gas-insulated metal-enclosed switchgear with upper and lower gas box structures further comprises a support plate 306, wherein the support plate 306 is used for assembling and supporting the central rotating shaft of the worm gear 108; the support plate 306 is fixed to the inner wall of the disconnecting switch chamber air box 301.
The utility model provides a gas insulated metal enclosed switchgear of upper and lower gas tank structure, three station isolator 1 adopts rotatory knife switch formula, move the knife switch and move the knife support through fixing at the circuit breaker subassembly rear end, circuit breaker utmost point post adopts epoxy or composite insulation material, the vacuum bubble can seal admittedly also can the later stage install in epoxy or composite insulation material, naked electrified part adopts the circular shape equalizer, modes such as oblate feeder improve electrified part electric field, even also can reach corresponding insulation level under normal atmospheric pressure.
2. the load switch transmission adopts a mode that a turbine main shaft is directly driven, and the movable knife blade is rotated through transmission.
3. the insulating gas may be dry air, high purity nitrogen, or an insulating gas such as SF 6.
4. The sealed air box adopts a laser welding form, the change of the internal environment is monitored by adopting modes such as a barometer, a humidity indicator and the like, and the high reliability of insulation is ensured.
6. The rear part of the air box 3 is provided with a rear sealing pressure relief flange 307.
the utility model discloses a gas insulated metal enclosed switchgear of upper and lower gas tank structure, gas tank structure are upper and lower structure, adopt corrosion resistant plate welded structure, adopt laser welding technique, synchronous evacuation and inflation technique, SF6 gas leak hunting technique, adopt neotype solid interface insulation grafting technique, be applied to between each air chamber, between the cabinet body and the connection of external high voltage components such as voltage transformer, arrester, insulating medium can adopt insulating gas such as compressed air, N2 and SF 6. The explosion-proof membrane and the pressure release channel are designed in the design and production process of the equipment, so that the probability of injury of maintenance personnel caused by accidents is almost reduced to zero. The totally enclosed cabinet body structure keeps apart conductor and some high-voltage component with external environment completely to influence such as damp and hot, condensation, air pollution caused by weather, environmental change has been avoided, the application of laser welding technology, novel solid insulation interface grafting technique and silica gel material, the mechanical gear cooperation of worm gear that the transmission part adopts the reliability is high.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a gas insulated metal enclosed switchgear of upper and lower gas tank structure, includes gas tank and the cabinet body, its characterized in that:
the air box is separated by a partition plate in the horizontal direction and is divided into an isolating switch chamber air box and a breaker chamber air box; the isolating switch chamber gas box is arranged above the breaker chamber gas box to form an upper gas box and a lower gas box structure;
the three-position isolating switch is mounted in the isolating switch chamber air box; a circuit breaker assembly is mounted in the circuit breaker chamber gas box;
a rear seal pressure relief flange is arranged on the rear side surface of the gas box of the circuit breaker chamber;
A primary cable chamber, a reserved compartment, a mechanism operating chamber and a secondary instrument box are arranged in the cabinet body;
The mechanism operating chamber is positioned at the front part of the air box, and an isolation operating mechanism and a circuit breaker operating mechanism are arranged in the mechanism operating chamber; the isolation operating mechanism and the circuit breaker operating mechanism are arranged up and down;
the primary cable chamber and the reserved compartment are positioned at the bottom of the air box;
The circuit breaker assembly is connected with the outgoing line copper bar, penetrates out of the gas box of the circuit breaker chamber through the outgoing line connector and then enters the primary cable chamber;
the secondary instrument box is installed on the air box.
2. a gas insulated metal enclosed switchgear of upper and lower gas box structure according to claim 1,
the three-station isolating switch comprises a grounding contact electrically connected with a grounding loop, a main knife contact electrically connected with a bus, a moving knife blade, a moving knife support, a moving knife crank arm, an insulating pull rod, a transmission crank arm, a worm wheel and a worm;
The movable knife blade is hinged on the movable knife support and can rotate around a hinged point; one end of the movable cutter crank arm is fixedly connected to the movable cutter blade, the other end of the movable cutter crank arm is connected with one end of an insulating pull rod, the other end of the insulating pull rod is connected with a transmission crank arm, and the transmission crank arm is fixedly connected with a central rotating shaft of the worm wheel;
the worm wheel is meshed with the worm, and the worm is connected with the isolation operating mechanism;
The grounding contact is positioned above the movable cutter blade, and the main cutter contact is positioned behind the movable cutter blade;
Under the active action force of the isolation operating mechanism, the worm moves back and forth to drive the worm wheel to rotate through the mutual matching and action of the worm and the worm wheel, the movable cutter blade is driven to rotate around a hinge point through the transmission connecting lever, the insulating pull rod and the movable cutter connecting lever in sequence, and the contact of the movable cutter blade rotates between the main cutter contact and the grounding contact to realize rotary switching-off, switching-on or grounding.
3. the gas insulated metal enclosed switchgear of upper and lower gas box structures as claimed in claim 2, wherein said transmission crank arm is fixedly connected with the central rotation shaft of the worm wheel through a spline.
4. the gas insulated metal enclosed switchgear of upper and lower gas box structures according to claim 2, wherein the moving blade support of said three-position disconnecting switch is fixed on the partition plate of the gas box.
5. the gas insulated metal enclosed switchgear of upper and lower gas tank structures according to claim 4, wherein the partition plate is provided with an outlet connecting sleeve at a position corresponding to the moving blade support for the moving blade to pass through with the connecting wire of the breaker assembly.
6. the gas insulated metal enclosed switchgear of upper and lower gas box structures as claimed in claim 2, further comprising a support plate for assembling and supporting said worm wheel central rotating shaft; the support plate is fixed on the inner wall of the gas tank of the isolating switch chamber.
7. The gas insulated metal enclosed switchgear of upper and lower gas box structures as claimed in claim 1, wherein said transmission part of the circuit breaker assembly is connected with a circuit breaker operating mechanism, and the opening and closing of the vacuum interrupter in the circuit breaker assembly is realized by operating the circuit breaker operating mechanism.
8. The gas insulated metal enclosed switchgear of upper and lower gas box structure as claimed in claim 1, wherein said outlet connector is located at the bottom of the gas box of the breaker chamber; the circuit breaker assembly penetrates out of the circuit breaker chamber air box through the wire outlet connector and enters the primary cable chamber after being connected with the wire outlet copper bar.
9. the gas insulated metal enclosed switchgear of upper and lower gas box structure according to claim 1, wherein said isolator cubicle gas box is further provided with a bus bar extension sleeve; the bus extension sleeve comprises an A-phase bus extension sleeve, a B-phase bus extension sleeve and a C-phase bus extension sleeve; the bus extension sleeve is arranged at the top of the gas box of the isolating switch chamber; and the three-phase bus in the gas box of the isolating switch room penetrates out of the gas box of the isolating switch room through bus extension sleeves respectively.
10. The gas insulated metal enclosed switchgear of upper and lower gas box structures as claimed in claim 1, wherein said cabinet body is of stainless steel plate welded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920575580.5U CN209748042U (en) | 2019-04-25 | 2019-04-25 | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920575580.5U CN209748042U (en) | 2019-04-25 | 2019-04-25 | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748042U true CN209748042U (en) | 2019-12-06 |
Family
ID=68721857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920575580.5U Active CN209748042U (en) | 2019-04-25 | 2019-04-25 | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950825A (en) * | 2019-04-25 | 2019-06-28 | 上海巴佩开关设备有限公司 | A gas-insulated metal-enclosed switchgear with an upper and lower air box structure |
-
2019
- 2019-04-25 CN CN201920575580.5U patent/CN209748042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950825A (en) * | 2019-04-25 | 2019-06-28 | 上海巴佩开关设备有限公司 | A gas-insulated metal-enclosed switchgear with an upper and lower air box structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207474334U (en) | A kind of isolation circuit breakers for dry air insulation ring main unit | |
| CN102916362B (en) | A kind of Intelligent inflatable high-voltage vacuum switch cabinet for metros | |
| CN106848909A (en) | One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative | |
| CN109962426A (en) | A gas-insulated metal-enclosed switchgear | |
| CN207183915U (en) | A kind of environmentally friendly gas-insulated inflatable ring main unit | |
| CN219086659U (en) | Gas-insulated switchgear | |
| CN202159923U (en) | Intelligent inflatable high-voltage vacuum switch cabinet for metros | |
| CN106602452A (en) | Isolation circuit breaker insulated by adopting environmental gas | |
| CN209748046U (en) | Three-station isolating switch and gas tank of gas insulated metal-enclosed switchgear | |
| CN110492379A (en) | A kind of novel environment friendly gas-insulated ring network cabinet | |
| CN109962427A (en) | A three-position isolating switch and gas-insulated metal-enclosed switchgear gas box | |
| CN201113292Y (en) | A gas-insulated vacuum ring network switchgear | |
| CN206195231U (en) | Adopt environmental protection gas -insulated's isolation breaker | |
| CN101728781A (en) | Solid isolated vacuum ring main unit | |
| CN101521360A (en) | Insulation mode for metal closed combined electrical appliance | |
| CN202167787U (en) | Environment-protection air-type solid-insulation high-voltage vacuum switch cabinet | |
| CN209748045U (en) | Gas-insulated metal-enclosed switchgear | |
| CN114284099A (en) | Five station switches of environmental protection gas insulation looped netowrk cabinet with isolating on | |
| CN209748042U (en) | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures | |
| CN102957107A (en) | Solid insulated high-voltage vacuum switch cabinet utilizing environment-friendly gas | |
| CN202159922U (en) | Solid insulation high-temperature vacuum switch cabinet using environmentally-friendly gas | |
| CN109950825A (en) | A gas-insulated metal-enclosed switchgear with an upper and lower air box structure | |
| CN221688115U (en) | A circuit breaker isolating knife integrated ring network cabinet | |
| CN106848908A (en) | One kind is without bin static contact non-SF 6 gas insulative switchgear | |
| CN206640195U (en) | One kind is without isolated switchgear under bin static contact non-SF 6 gas insulative |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |