CN216750969U - Gas insulation switch equipment - Google Patents

Gas insulation switch equipment Download PDF

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Publication number
CN216750969U
CN216750969U CN202220043986.0U CN202220043986U CN216750969U CN 216750969 U CN216750969 U CN 216750969U CN 202220043986 U CN202220043986 U CN 202220043986U CN 216750969 U CN216750969 U CN 216750969U
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CN
China
Prior art keywords
chamber
circuit breaker
room
isolator
transmission
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Application number
CN202220043986.0U
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Chinese (zh)
Inventor
王丽杰
杨勇
邓雨
周作彬
胡建
曾思远
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.)
Sichuan Electric Appliance Group Middle And Low Voltage Intelligent Distribution Co ltd
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Sichuan Electric Appliance Group Middle And Low Voltage Intelligent Distribution Co ltd
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Priority to CN202220043986.0U priority Critical patent/CN216750969U/en
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Abstract

The utility model discloses a gas insulation switch device, which comprises a cabinet body frame, wherein an insulation sealing chamber is arranged on the cabinet body frame, an instrument chamber is arranged at the upper side of a mechanism chamber, a cable chamber is arranged at the lower side of the mechanism chamber, the insulation sealing chamber is connected with the mechanism chamber, a circuit breaker transmission assembly and an isolating switch are arranged in the insulation sealing chamber, the circuit breaker transmission assembly is connected with the isolating switch, nitrogen is filled in the insulation sealing chamber, the circuit breaker mechanism assembly and the isolating mechanism assembly are arranged in the mechanism chamber, the circuit breaker mechanism assembly is used for driving the circuit breaker transmission assembly to move, the isolating mechanism assembly is used for controlling the isolating switch to realize switching, a cable sleeve is arranged between the insulation sealing chamber and the cable chamber in a sealing mode, and the cable sleeve is connected with the output end of the isolating switch through a second conductive bus. In the equipment, the insulating sealing chamber is filled with nitrogen, so that the equipment can ensure very good huge insulating property after being miniaturized. The gas insulated switchgear has compact structure and small floor area.

Description

Gas insulation switch equipment
Technical Field
The utility model relates to the technical field of power transmission equipment, in particular to gas insulated switchgear.
Background
With the continuous development of social economy, engineering construction becomes more and more complex, and users have higher and higher requirements on miniaturization, maintenance-free and intellectualization of switch equipment. The conventional switch equipment has large volume and heavy weight, and does not meet the use requirements under severe environmental conditions of high altitude, humidity, filth and the like. In this context, gas-insulated switches are produced as follows. At present, SF6 gas is adopted by most gas insulation ring main units as an insulation or breaking medium of a high-voltage charged part, although SF6 gas has excellent insulation performance, the life of the gas in the atmosphere reaches 3200 years, and the GWP is 23900 times that of CO2, so that the selection of a healthy and environment-friendly gas to replace SF6 as the insulation medium of the gas insulation ring main unit is urgent.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to overcome the disadvantages of the prior art and to provide a gas-insulated switchgear. The gas insulated switchgear using nitrogen as an insulating medium in the scheme not only realizes intellectualization and miniaturization, but also has very good insulating performance.
The purpose of the utility model is realized by the following technical scheme:
a gas insulation switch device comprises a cabinet body frame, wherein an instrument chamber, a mechanism chamber, a cable chamber and an insulation sealing chamber are arranged on the cabinet body frame, the instrument chamber is arranged on the upper side of the mechanism chamber, the cable chamber is arranged on the lower side of the mechanism chamber, the insulation sealing chamber is connected with the mechanism chamber, a circuit breaker transmission assembly and a disconnecting switch are arranged in the insulation sealing chamber, the output end of the circuit breaker transmission assembly is connected with the input end of the disconnecting switch, the circuit breaker transmission assembly and the disconnecting switch are both connected with the inner wall of the insulation sealing chamber in a sealing mode, nitrogen is filled in the insulation sealing chamber, a circuit breaker mechanism assembly and an isolating mechanism assembly are arranged in the mechanism chamber, the circuit breaker mechanism assembly is used for driving the circuit breaker transmission assembly to move, and the isolating mechanism assembly is used for controlling the disconnecting switch to be realized by the disconnecting switch, and a cable sleeve is hermetically arranged between the insulating sealing chamber and the cable chamber, and the cable sleeve is connected with the output end of the isolating switch through a second conductive busbar.
Further, the circuit breaker transmission assembly comprises a circuit breaker transmission main shaft, a circuit breaker transmission connecting arm, an arc extinguish chamber transmission component, a vacuum arc extinguish chamber, a connection busbar, an isolation static contact and an arc extinguish chamber transmission spring, the lower end of the connection busbar passes through the vacuum arc extinguish chamber and the arc extinguish chamber transmission component and then is connected with the circuit breaker transmission connecting arm, the circuit breaker transmission connecting arm is fixedly arranged on the circuit breaker transmission main shaft, the circuit breaker transmission main shaft is connected with the circuit breaker mechanism assembly, the circuit breaker transmission connecting arm is matched with the isolation static contact, the arc extinguish chamber transmission spring is arranged on the outer side of the arc extinguish chamber transmission component, and the isolation static contact is matched with the isolation switch.
Furthermore, the upper end of the connecting busbar is connected with a first conductive busbar, both ends of the first conductive busbar are provided with insulated bus sleeves, and the bus sleeves are arranged on the side wall of the insulated sealing chamber in a sealing manner.
Further, isolator includes isolator main shaft, isolator turning arm, connecting plate, isolation sword and ground contact, the one end of isolator main shaft with the one end of isolator turning arm is connected, the other end of isolator turning arm passes through the connecting plate with the one end of isolation sword is connected, the other end of isolation sword respectively with the second electrically conductive female arranging ground contact cooperation, the second electrically conductive female arranging with cable sleeve links to each other, the isolator main shaft with the isolation mechanism subassembly links to each other.
Further, a grounding busbar is arranged at the bottom of the cable chamber.
Further, a controller is arranged in the instrument room.
Further, a sleeve support is arranged on the cabinet body frame, and the bus sleeve and the cable sleeve are arranged on the sleeve support.
Further, the bus sleeve and the cable sleeve are both epoxy sleeves.
Furthermore, a skirt edge for increasing the arc climbing distance is arranged on the epoxy resin sleeve.
The beneficial effects of the utility model are:
1) in the apparatus, the insulating seal chamber is filled with nitrogen gas, so that the apparatus can ensure excellent insulating performance after being miniaturized. The gas insulated switchgear has compact structure and small floor space.
2) The controller realizes switching-on and switching-off command control on the circuit breaker and the isolating switch, and displays and monitors the working states of the circuit breaker and the isolating switch in real time.
3) The sleeve pipe support has improved bus sleeve and cable sleeve's support intensity, still improves switchgear's insulating level.
Drawings
FIG. 1 is a front view structural diagram of the internal connection of the switchgear;
FIG. 2 is a side view structural diagram of the internal connection of the switchgear;
FIG. 3 is a side view structural diagram of the circuit breaker drive assembly connection;
FIG. 4 is a side view of the isolating switch;
in the figure, 1-cabinet frame, 2-instrument room, 3-mechanism room, 4-cable room, 5-bus sleeve, 6-first conductive bus bar, 7-breaker transmission component, 8-isolating switch, 9-cable sleeve, 10-grounding bus bar, 11-controller, 12-sleeve bracket, 13-breaker mechanism component, 14-isolating mechanism component, 61-second conductive bus bar, 71-breaker transmission main shaft, 72-breaker transmission crank arm, 73-arc extinguish chamber transmission component, 74-vacuum arc extinguish chamber, 75-connecting bus bar, 76-isolating static contact, 77-arc extinguish chamber transmission spring, 81-isolating switch main shaft, 82-isolating switch crank arm, 83-connecting plate, 84-isolating knife, 85-ground contact.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a gas insulation switch device comprises a cabinet body frame 1, an instrument room 2, a mechanism room 3, a cable room 4 and an insulation sealing room are arranged on the cabinet body frame 1, the instrument room 2 is arranged on the upper side of the mechanism room 3, the cable room 4 is arranged on the lower side of the mechanism room 3, the insulation sealing room is connected with the mechanism room 3, a circuit breaker transmission assembly 7 and an isolation switch 8 are arranged in the insulation sealing room, the output end of the circuit breaker transmission assembly 7 is connected with the input end of the isolation switch 8, the circuit breaker transmission assembly 7 and the isolation switch 8 are both connected with the inner wall of the insulation sealing room in a sealing mode, nitrogen is filled in the insulation sealing room, a circuit breaker mechanism assembly 13 and an isolation mechanism assembly 14 are arranged in the mechanism room 3, the circuit breaker mechanism assembly 13 is used for driving the circuit breaker transmission assembly 7 to move, the isolation mechanism assembly 14 is used for controlling the isolation switch 8 to realize switching, a cable sleeve 9 is arranged between the insulation sealing room and the cable room 4, the cable sleeve 9 is connected with the output end of the isolating switch 8 through a second conductive bus bar 61. The bottom of the cable chamber 4 is provided with a grounding busbar 10. The instrument room 2 is provided with a controller 11. A circuit breaker mechanism assembly 13 and an isolation mechanism assembly 14 are arranged in the mechanism chamber 3, one end of the isolation mechanism assembly 14 is connected with one end of an isolation switch main shaft 81 of the isolation switch 8, and the isolation mechanism assembly 14 is operated to drive the isolation switch 8 to act; one end of the breaker mechanism assembly 13 is connected to one end of the breaker transmission main shaft 71, and the breaker mechanism assembly 13 is operated to drive the breaker transmission assembly 7 to operate. Wherein, the circuit breaker mechanism assembly 13 and the isolation mechanism assembly 14 are both prior art. The grounding busbar 10 enables each cable to be grounded, and the danger that people can get an electric shock is prevented.
In some embodiments, the circuit breaker transmission assembly 7 includes a circuit breaker transmission spindle 71, a circuit breaker transmission connecting lever 72, an arc extinguish chamber transmission part 73, a vacuum arc extinguish chamber 74, a connecting bus bar 75, an isolation stationary contact 76 and an arc extinguish chamber transmission spring 77, the lower end of the connecting bus bar 75 is connected to the circuit breaker transmission connecting lever 72 after passing through the vacuum arc extinguish chamber 74 and the arc extinguish chamber transmission part 73, the circuit breaker transmission connecting lever 72 is fixedly disposed on the circuit breaker transmission spindle 71, the circuit breaker transmission spindle 71 is connected to the circuit breaker mechanism assembly 13, the circuit breaker transmission connecting lever 72 is matched with the isolation stationary contact 76, the arc extinguish chamber transmission spring 77 is disposed outside the arc extinguish chamber transmission part 73, and the isolation stationary contact 76 is matched with the isolation switch 8. The upper end of the connecting busbar 75 is connected with the first conductive busbar 6, the two ends of the first conductive busbar 6 are provided with insulated bus sleeves 5, and the bus sleeves 5 are arranged on the side wall of the insulated sealing chamber in a sealing manner. The cabinet frame 1 is provided with a sleeve support 12, and the bus sleeve 5 and the cable sleeve 9 are both arranged on the sleeve support 12. The bus bar sleeve 5 and the cable sleeve 9 are both epoxy resin sleeves. And a skirt edge for increasing the arc climbing distance is arranged on the epoxy resin sleeve. The cabinet frame 1 is provided with a sleeve support 12, and the bus sleeve 5 and the cable sleeve 9 are both arranged on the sleeve support 12.
In some embodiments, the disconnecting switch 8 includes a disconnecting switch spindle 81, a disconnecting switch crank arm 82, a connecting plate 83, a disconnecting knife 84 and a ground contact 85, one end of the disconnecting switch spindle 81 is connected with one end of the disconnecting switch crank arm 82, the other end of the disconnecting switch crank arm 82 is connected with one end of the disconnecting knife 84 through the connecting plate 83, the other end of the disconnecting knife 84 is respectively matched with the second conductive busbar 61 and the ground contact 85, the second conductive busbar 61 is connected with the cable sleeve 9, and the disconnecting switch spindle 81 is connected with the disconnecting mechanism assembly 14. In the present device, the isolation blade 84 is rotatable, and can be connected to the second conductive bus bar 61 for power supply, and can be connected to the ground contact 85 after being separated for preventing electric shock.
The working process of the switch device comprises the following steps:
when power is supplied, firstly, the isolation mechanism assembly 14 is operated to drive the isolation switch main shaft 81 of the isolation switch 8 to rotate, the isolation knife 84 is driven to move, the isolation knife 84 is lapped with the isolation static contact 76, and the isolation switch 8 is switched on; then energy is stored for the breaker mechanism assembly 13: a closing button on the circuit breaker mechanism assembly 13 is pressed to enable the circuit breaker mechanism assembly 13 to act, the circuit breaker transmission main shaft 71 is driven to rotate, the circuit breaker transmission connecting lever 72 and the arc extinguish chamber transmission part 73 are further driven to move, a moving contact in the vacuum arc extinguish chamber 74 is connected with a fixed contact, the circuit breaker transmission assembly 7 completes closing, and the power transmission process is completed; when the power is cut off or maintained, the transmission assembly 7 of the breaker needs to be opened firstly, then the isolating switch 8 needs to be opened, and the grounding is carried out. The controller 11 carries out switching-on and switching-off instructions on the circuit breaker transmission assembly 7 and the isolating switch 8, and displays and monitors the working states of the circuit breaker transmission assembly 7 and the isolating switch 8 in real time.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. A gas-insulated switchgear device, characterized in that: the intelligent cabinet comprises a cabinet body frame (1), an instrument room (2), a mechanism room (3), a cable room (4) and an insulating and sealing room are arranged on the cabinet body frame (1), the instrument room (2) is arranged on the upper side of the mechanism room (3), the cable room (4) is arranged on the lower side of the mechanism room (3), the insulating and sealing room is connected with the mechanism room (3), a circuit breaker transmission assembly (7) and a disconnecting switch (8) are arranged in the insulating and sealing room, the output end of the circuit breaker transmission assembly (7) is connected with the input end of the disconnecting switch (8), the circuit breaker transmission assembly (7) and the disconnecting switch (8) are both connected with the inner wall of the insulating and sealing room in a sealing way, nitrogen is filled in the insulating and sealing room, a circuit breaker mechanism assembly (13) and an isolating mechanism assembly (14) are arranged in the mechanism room (3), breaker mechanism subassembly (13) are used for the drive breaker transmission assembly (7) motion, isolator mechanism subassembly (14) are used for control isolator (8) realize the switch, insulating seal chamber with it is provided with cable sleeve (9) to seal between cable chamber (4), cable sleeve (9) through the second electrically conductive female arranging (61) with isolator (8)'s output links to each other.
2. A gas-insulated switchgear device as claimed in claim 1, characterized in that: the circuit breaker transmission assembly (7) comprises a circuit breaker transmission main shaft (71), a circuit breaker transmission crank arm (72), an arc extinguish chamber transmission part (73), a vacuum arc extinguish chamber (74), a connecting bus bar (75), an isolation static contact (76) and an arc extinguish chamber transmission spring (77), the lower end of the connecting bus bar (75) is connected with the breaker transmission crank arm (72) through the vacuum arc-extinguishing chamber (74) and the arc-extinguishing chamber transmission component (73), the breaker transmission crank arm (72) is fixedly arranged on the breaker transmission main shaft (71), the breaker transmission main shaft (71) is connected with the breaker mechanism assembly (13), the transmission crank arm (72) of the circuit breaker is matched with the isolation static contact (76), the arc extinguish chamber transmission part (73) is provided with the arc extinguish chamber transmission spring (77) on the outer side, and the isolation static contact (76) is matched with the isolating switch (8).
3. A gas-insulated switchgear device as claimed in claim 2, characterized in that: the upper end of connecting female arranging (75) links to each other with first electrically conductive female arranging (6), the both ends of first electrically conductive female arranging (6) all are provided with insulating bus-bar bushing (5), bus-bar bushing (5) seal the setting on the lateral wall of insulating seal room.
4. A gas-insulated switchgear device as claimed in claim 2 or 3, characterized in that: isolator (8) include isolator main shaft (81), isolator turning arm (82), connecting plate (83), isolation sword (84) and ground contact (85), the one end of isolator main shaft (81) with the one end of isolator turning arm (82) is connected, the other end of isolator turning arm (82) passes through connecting plate (83) with the one end of isolation sword (84) is connected, the other end of isolation sword (84) respectively with the second electrically conductive female arranging (61) ground contact (85) cooperation, the second electrically conductive female arranging (61) with cable sleeve (9) link to each other, isolator main shaft (81) with isolator mechanism subassembly (14) link to each other.
5. A gas-insulated switchgear device as claimed in claim 1, 2 or 3, characterized in that: and a grounding busbar (10) is arranged at the bottom of the cable chamber (4).
6. A gas-insulated switchgear device as claimed in claim 1, 2 or 3, characterized in that: the instrument room (2) is internally provided with a controller (11).
7. A gas-insulated switchgear device as claimed in claim 3, characterized in that: the cabinet body frame (1) is provided with a sleeve support (12), and the bus sleeve (5) and the cable sleeve (9) are arranged on the sleeve support (12).
8. A gas insulated switchgear device according to claim 3 or 7, characterized in that: the bus sleeve (5) and the cable sleeve (9) are both epoxy resin sleeves.
9. A gas-insulated switchgear device as claimed in claim 8, characterized in that: and the epoxy resin sleeve is provided with a skirt edge for increasing the arc climbing distance.
CN202220043986.0U 2022-01-10 2022-01-10 Gas insulation switch equipment Active CN216750969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220043986.0U CN216750969U (en) 2022-01-10 2022-01-10 Gas insulation switch equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220043986.0U CN216750969U (en) 2022-01-10 2022-01-10 Gas insulation switch equipment

Publications (1)

Publication Number Publication Date
CN216750969U true CN216750969U (en) 2022-06-14

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ID=81912492

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220043986.0U Active CN216750969U (en) 2022-01-10 2022-01-10 Gas insulation switch equipment

Country Status (1)

Country Link
CN (1) CN216750969U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117277129A (en) * 2023-09-20 2023-12-22 珠海盈源电气有限公司 Air insulation cabinet
CN117578254A (en) * 2024-01-19 2024-02-20 四川电器集团中低压智能配电有限公司 Intelligent box-type heavy-current environment-friendly gas-insulated switchgear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117277129A (en) * 2023-09-20 2023-12-22 珠海盈源电气有限公司 Air insulation cabinet
CN117277129B (en) * 2023-09-20 2024-03-19 珠海盈源电气有限公司 Air insulation cabinet
CN117578254A (en) * 2024-01-19 2024-02-20 四川电器集团中低压智能配电有限公司 Intelligent box-type heavy-current environment-friendly gas-insulated switchgear
CN117578254B (en) * 2024-01-19 2024-03-29 四川电器集团中低压智能配电有限公司 Intelligent box-type heavy-current environment-friendly gas-insulated switchgear

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