CN217984266U - Environment-friendly gas ring main unit - Google Patents

Environment-friendly gas ring main unit Download PDF

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Publication number
CN217984266U
CN217984266U CN202222089841.7U CN202222089841U CN217984266U CN 217984266 U CN217984266 U CN 217984266U CN 202222089841 U CN202222089841 U CN 202222089841U CN 217984266 U CN217984266 U CN 217984266U
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China
Prior art keywords
circuit breaker
subassembly
transmission shaft
isolator
box
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CN202222089841.7U
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Chinese (zh)
Inventor
李海兵
陈志浩
周维银
张乐娥
陈柯
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Huanghua Group Co ltd
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Huanghua Group Co ltd
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Abstract

The utility model relates to an environmental protection gas looped netowrk cabinet, including box, isolator assembly mechanism, circuit breaker assembly mechanism, isolator assembly mechanism includes isolation transmission shaft, multiunit isolator subassembly, and circuit breaker assembly mechanism includes circuit breaker transmission shaft, multiunit circuit breaker subassembly, be provided with in the box and be confined switch chamber, and each isolator subassembly and the circuit breaker subassembly that corresponds establish ties, isolation transmission shaft and circuit breaker transmission shaft rotate respectively and install in the box, the break-make of each isolator subassembly of isolation transmission shaft control, the break-make of each circuit breaker subassembly of circuit breaker transmission shaft control, be provided with first insulation baffle, its characterized in that between circuit breaker subassembly and the box: the first insulating partition board is provided with a plurality of bar-shaped ribs towards the side of the circuit breaker assembly. Adopt above-mentioned scheme, provide one kind and improve the insulating properties's of first insulation barrier gaseous looped netowrk cabinet of environmental protection through the setting that carries out a large amount of ribs on first insulation barrier.

Description

Environment-friendly gas ring main unit
Technical Field
The utility model relates to a gaseous looped netowrk cabinet of environmental protection.
Background
The Ring Main Unit (Ring Main Unit) is a group of transmission and distribution electrical equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into electrical equipment of an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts an isolating switch and a circuit breaker, so that the Ring Main Unit has the advantages of simple structure, small size, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
Conventional looped netowrk cabinet includes the box usually, the isolation drive shaft, the circuit breaker transmission shaft, multiunit isolator subassembly and multiunit circuit breaker subassembly, be provided with the switch room in the box, each isolator subassembly sets up respectively in the switch room with each circuit breaker subassembly, and each isolator subassembly establishes ties with the circuit breaker subassembly that corresponds, furthermore, the isolation drive shaft rotates respectively with the circuit breaker transmission shaft and installs in the box, and the break-make of each isolator subassembly of isolation drive shaft control, the break-make of each circuit breaker subassembly of circuit breaker transmission shaft control, furthermore, need set up insulating barrier between circuit breaker subassembly and box, make to realize under insulating barrier's effect that it guarantees the security of using to form solid insulation between circuit breaker subassembly and the box.
The gas ring main unit seals the switch chamber, and insulating gas such as nitrogen, sulfur hexafluoride and the like is introduced into the switch chamber to improve the insulating property of the switch chamber, so that the whole volume of the ring main unit is reduced under the condition of ensuring the safety performance.
Wherein, the insulating barrier surface that current gaseous looped netowrk cabinet adopted is the plane setting usually, and insulating properties is general, consequently, how to improve insulating barrier's insulating properties and further improve the security performance of looped netowrk cabinet or carry out the whole volume reduction of looped netowrk cabinet under the circumstances of guaranteeing security performance.
Disclosure of Invention
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a through carry out the setting of a large amount of ribs on first insulation baffle to improve the gaseous looped netowrk cabinet of environmental protection of insulating properties of first insulation baffle.
In order to achieve the above purpose, the utility model provides a following technical scheme: including box, isolator assembly machine structure, circuit breaker assembly machine structure, isolator assembly machine structure includes isolation drive shaft, multiunit isolator subassembly, and circuit breaker assembly machine constructs including circuit breaker transmission shaft, multiunit circuit breaker subassembly, be provided with in the box and be confined switch chamber, each isolator subassembly sets up respectively in the switch chamber with each circuit breaker subassembly, and each isolator subassembly establishes ties with the circuit breaker subassembly that corresponds, isolation drive shaft and circuit breaker transmission shaft rotate respectively and install in the box, and the break-make of each isolator subassembly of isolation drive shaft control, the break-make of each circuit breaker subassembly of circuit breaker transmission shaft control, be provided with first insulation baffle, its characterized in that between circuit breaker subassembly and the box: first insulating barrier is provided with a plurality of ribs that are the bar towards circuit breaker subassembly side.
The utility model discloses further set up to: each circuit breaker subassembly is arranged along the axial interval of circuit breaker transmission shaft and is set up, the quantity of first insulating barrier is 2, sets up respectively in the perpendicular axial both sides of circuit breaker transmission shaft, each be provided with the second insulating barrier between the circuit breaker subassembly, each first insulating barrier corresponds each second insulating barrier and is provided with the installation slot respectively.
The utility model discloses further set up to: each circuit breaker subassembly includes vacuum bubble, connecting rod and driving piece, each vacuum bubble fixed mounting is in the box, the stiff end of each vacuum bubble is connected with corresponding isolator subassembly, each the slip end of vacuum bubble is connected with corresponding connecting rod, each the driving piece is installed in the circuit breaker transmission shaft, each the driving piece is provided with the drive slide rail, each the connecting rod is provided with inserts the connection inserted block of locating in the drive slide rail that corresponds, each the drive slide rail is provided with and opens position and closed position, when connecting the inserted block and being located and opening the position, the vacuum bubble switches on, when connecting the inserted block and being located the closed position, the vacuum bubble breaks off.
The utility model discloses further set up to: each driving piece that the circuit breaker subassembly corresponds is 2, and sets up in the axial both sides of connecting rod along the circuit breaker transmission shaft that corresponds.
The utility model discloses further set up to: the circuit breaker transmission shaft is located and is provided with first insulating bush between 2 connecting rods.
The utility model discloses further set up to: each isolating switch assembly is arranged along the axial interval of the isolating transmission shaft and comprises conducting pieces and conducting rods, each conducting piece is fixedly installed on the box body, each conducting rod is fixedly installed on the isolating transmission shaft, and each conducting piece is located on the rotating track of each conducting rod.
The utility model discloses further set up to: and a grounding rod is arranged in the switch chamber and is positioned on the rotating track of each conducting rod.
The utility model discloses further set up to: each isolating switch assembly further comprises elastic metal pieces, each elastic metal piece is connected with the corresponding circuit breaker assembly, and each conducting rod is provided with a conducting arc surface which is in extrusion contact with the corresponding elastic metal piece.
The utility model discloses further set up to: the quantity of isolator subassembly and circuit breaker subassembly is 3, each the isolator subassembly is arranged along the fore-and-aft direction with each circuit breaker subassembly jun and is set up, each the isolator subassembly is located the circuit breaker subassembly top that corresponds, the box is located each isolator subassembly top and is provided with the first wiring end of being connected with the isolator subassembly that corresponds, each first wiring end is arranged along the fore-and-aft direction and is set up, the box is located each circuit breaker subassembly below front side and is provided with the second wiring end of being connected with the circuit breaker subassembly that corresponds, each the second wiring end is arranged along the left right direction and is set up.
Through adopting above-mentioned technical scheme, the setting of rib on the first insulation baffle for reinforcing first insulation baffle's arc extinguishing ability, thereby improving first insulation baffle's insulating ability, thereby improve the security performance of looped netowrk cabinet or carry out the whole volume reduction of looped netowrk cabinet under the circumstances of guaranteeing the security performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an assembly view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an assembly view of the embodiment of the present invention with a portion of the housing removed;
FIG. 4 is an assembly view of a portion of the structure of an embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is an enlarged view of B in FIG. 4;
fig. 7 is an enlarged view of C in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1-7, the utility model discloses an environmental protection gas looped netowrk cabinet, including being square box 1, isolation transmission shaft 2, circuit breaker transmission shaft 3, 3 isolator subassemblies 4 and 3 circuit breaker subassembly 5 of organizing, be provided with in the box 1 and be confined switch room 11, let in nitrogen gas as inert protective gas in the switch room 11, each isolator subassembly 4 sets up respectively in switch room 11 with each circuit breaker subassembly 5, and each isolator subassembly 4 establishes ties with corresponding circuit breaker subassembly 5, isolation transmission shaft 2 rotates respectively with circuit breaker transmission shaft 3 and installs in box 1, the break-make of each isolator subassembly 4 of isolation transmission shaft 2 control, the break-make of each circuit breaker subassembly 5 of circuit breaker transmission shaft 3 control, in addition, be provided with first insulation baffle 61, preferred between circuit breaker subassembly 5 and the box 1, first insulation baffle 61 is provided with the rib 611 that a plurality of bars are towards circuit breaker subassembly 5 side.
Therefore, the arrangement of the ribs 611 on the first insulating partition plate 61 enhances the arc extinguishing capability of the first insulating partition plate 61, thereby improving the insulating capability of the first insulating partition plate 61, and therefore, the safety performance of the ring main unit is improved or the whole volume of the ring main unit is reduced under the condition of ensuring the safety performance, and the strength is increased.
The axial direction of the transmission shaft 3 of the circuit breaker in this embodiment is along the front-back direction, each of the circuit breaker assemblies 5 is arranged along the axial direction of the transmission shaft 3 of the circuit breaker at intervals, preferably, the number of the first insulating partition plates 61 is 2, and the first insulating partition plates are respectively arranged on the left side and the right side of the transmission shaft 3 of the circuit breaker, in addition, a second insulating partition plate 62 is arranged between each of the circuit breaker assemblies 5, and each of the first insulating partition plates 61 is respectively provided with an installation slot corresponding to each of the second insulating partition plates 62, so that 1.2 first insulating partition plates 61 realize insulation with the left side and the right side of the box body 1 on the left side and the right side of the circuit breaker assembly 5, and when the circuit breaker assembly 5 is disconnected, high-voltage electric arc is generated to electrify the box body 1 to influence safe use; 2. the second insulating partition plate 62 realizes insulation between the adjacent circuit breaker assemblies 5 in a fixed insulation manner, so that interference between the adjacent circuit breaker assemblies 5 is prevented when the circuit breaker assemblies 5 are disconnected; 3. the arrangement of the installation slot realizes that each second insulating partition plate 62 is more conveniently installed on the first insulating partition plate 61.
And under the effect of the above advantages 1 and 2, the safety performance of the ring main unit can be improved or the whole volume of the ring main unit can be reduced under the condition of ensuring the safety performance.
Each of the circuit breaker assemblies 5 includes a vacuum bulb 51, a connecting rod 52 and a driving member 53 (made of an insulating material), a first mounting plate 63 and a second mounting plate 64 are vertically arranged between the first insulating partition plates 61 corresponding to the circuit breaker assemblies 5, each of the first mounting plates 63 and the second mounting plates 64 is fixedly mounted with the first insulating partition plates 61 in a manner of bolt or clamping, each of the vacuum bulbs 51 is clamped between the corresponding first mounting plate 63 and the corresponding second mounting plate 64 to realize fixed mounting, a fixed end of each of the vacuum bulbs 51 upwardly penetrates the first mounting plate 63 and is locked by a nut to realize fixation, wherein the fixed end of each of the vacuum bulbs 51 is connected with the corresponding disconnecting switch assembly 4, furthermore, a sliding end of each of the vacuum bulbs 51 is fixedly connected with the corresponding connecting rod 52 in a threaded manner, each of the driving member 53 is mounted by being sleeved on the outer periphery of the circuit breaker transmission shaft 3, the outer periphery of the circuit breaker transmission shaft 3 is in a hexagonal prism shape, so that the driving member 53 is driven to rotate under the rotation of the circuit breaker 3, wherein each of the driving member 53 is provided with a driving slide rail 531, a driving block 533 inserted in the corresponding to be connected with the corresponding connecting rail 521, and when the vacuum bulb is opened, and the vacuum bulb is connected with the vacuum bulb 521, and the vacuum bulb is provided with the vacuum bulb 521.
Therefore, 1, the circuit breaker assembly 5 drives the driving part 53 to rotate by adopting the rotation of the circuit breaker transmission shaft 3, so that the through end of the vacuum bubble 51 is performed under the matching action of the driving slide rail 531 and the connecting plug 521, and the through end of the circuit breaker assembly 5 is realized; 2. the arrangement of the vacuum bubbles 51 enables the performance of high-efficiency arc extinction of the vacuum bubbles 51 to be utilized to improve the insulating performance of the circuit breaker assembly 5, so that the safety performance of the ring main unit can be improved or the whole volume of the ring main unit is reduced under the condition of ensuring the safety performance.
In addition, the first insulating partition 61 in this embodiment is fixedly provided with a conduction plate 54 corresponding to each breaker assembly 5, and further, the outer periphery of each connection rod 52 is sleeved with a compressed conduction spring 55, the upper end of the conduction spring 55 abuts against the conduction plate 54, and the lower end abuts against the connection rod 52, so that the connection piece which can guarantee sliding under the action of the conduction spring 55 is effectively communicated with the conduction plate 54, and output is realized through the fixed conduction plate 54.
Preferably, in this embodiment, each driving member 53 corresponding to each circuit breaker assembly 5 is 2, and is disposed on two sides of the corresponding connecting rod 52 along the axial direction of the circuit breaker transmission shaft 3, and the connecting insertion block 521 is inserted into the driving slide rail 531 corresponding to each driving member 53, so as to achieve smoother rotation.
Preferably, the circuit breaker transmission shaft 3 in the embodiment is provided with a first insulating sleeve 65 between the 2 connecting rods 52, so that the adjacent circuit breaker assembly 5 is further insulated and protected by the first insulating sleeve 65.
Preferably, the isolating transmission shaft 2 in this embodiment is made of an insulating material, the axial direction of the isolating transmission shaft 2 is along the front-rear direction, each isolating switch assembly 4 is arranged along the axial direction of the isolating transmission shaft 2 at intervals, each isolating switch assembly 4 includes a conducting member 41 and a conducting rod 42, the box body 1 is respectively provided with an insulating half ring 66 corresponding to each isolating switch assembly 4, each conducting member 41 is fixedly installed on the corresponding insulating half ring 66, in addition, each conducting rod 42 is sleeved on the periphery of the isolating transmission shaft 2 and fixed with the conducting rod 42 in a plug-in manner, and each conducting member 41 is located on a rotation track of the conducting rod 42, wherein the conducting rod 42 is vertically upward to be in contact with the conducting member 41, so that the isolating switch assembly 4 drives the conducting rod 42 to rotate by using the isolating transmission shaft 2, so that the conducting rod 42 is in contact with the conducting member 41, and the conducting rod 42 is disconnected when the conducting rod 42 is not in contact with the conducting member 41.
In addition, be provided with the earthed pole 67 in the switch room 11 in this embodiment, the earthed pole 67 is located each conduction rod 42's rotation orbit, consequently, when needs carry out the inside maintenance of looped netowrk cabinet, accessible conduction rod 42 rotates contact earthed pole 67 and realizes ground connection for overhaul more safety.
Preferably, each of the disconnecting switch assemblies 4 in this embodiment further includes a V-shaped elastic metal member 43, each of the elastic metal members 43 is pressed by the nut to be connected to the fixed end of the corresponding vacuum bulb 51, and each of the conducting rods 42 is provided with a conducting arc 421 in pressing contact with the corresponding elastic metal member 43, so that the conducting stability is ensured by the matching between the conducting arc 421 and the elastic metal member 43 during the rotation of the conducting rod 42.
Each of the disconnecting switch assemblies 4 in this embodiment is located above the corresponding circuit breaker assembly 5, the box body 1 is located above each of the disconnecting switch assemblies 4 and is provided with a first terminal 12 connected with the corresponding disconnecting switch assembly 4, each of the first terminals 12 is arranged in the front-back direction, the front side of the box body 1 below each of the circuit breaker assemblies 5 is provided with a second terminal 13 connected with the corresponding circuit breaker assembly 5, and each of the second terminals 13 is arranged in the left-right direction, so that power is supplied by connecting the first terminal 12 with a power supply, and output is performed through the second terminal 13, and the arrangement of the first terminal 12 in the front-back direction corresponds to the disconnecting switch assemblies 4 and the circuit breaker switches, thereby achieving compact and orderly optimization of the structure, and the convenience of output insertion is achieved if the second terminals 13 are arranged forward and left-right.
In addition, the front side of the box body 1 in the embodiment is provided with an operation and control structure 14, the isolation transmission shaft 2 and the breaker transmission shaft 3 penetrate out of the box body 1 upwards, and the isolation transmission shaft 2 and the breaker transmission shaft 3 are connected with the operation and control structure 14, so that an operator can control the rotation of the isolation transmission shaft 2 and the breaker transmission shaft 3 to control the on-off of the isolation switch assembly 4 and the breaker assembly 5.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides an environmental protection gas ring main unit, includes box, isolator always adorns mechanism, circuit breaker always adorns mechanism, isolator always adorns mechanism and includes isolation drive shaft, multiunit isolator subassembly, and circuit breaker always adorns mechanism and includes circuit breaker transmission shaft, multiunit circuit breaker subassembly, be provided with in the box and be confined switch chamber, each isolator subassembly sets up respectively in the switch chamber with each circuit breaker subassembly, and each isolator subassembly and the circuit breaker subassembly that corresponds establish ties, isolation drive shaft rotates respectively with the circuit breaker transmission shaft and installs in the box, the break-make of each isolator subassembly of isolation drive shaft control, the break-make of each circuit breaker subassembly of circuit breaker transmission shaft control, be provided with first insulation barrier, its characterized in that between circuit breaker subassembly and the box: the first insulating partition board is provided with a plurality of bar-shaped ribs towards the side of the circuit breaker assembly.
2. The environmentally friendly gas ring main unit as claimed in claim 1, wherein: each the circuit breaker subassembly is arranged along the axial interval of circuit breaker transmission shaft and is set up, the quantity of first insulating barrier is 2, sets up respectively in the perpendicular axial both sides of circuit breaker transmission shaft, each be provided with second insulating barrier between the circuit breaker subassembly, each first insulating barrier corresponds each second insulating barrier and is provided with the installation slot respectively.
3. The environmentally friendly gas ring main unit as claimed in claim 2, wherein: each circuit breaker subassembly includes vacuum bubble, connecting rod and driving piece, each vacuum bubble fixed mounting is in the box, the stiff end of each vacuum bubble is connected with corresponding isolator subassembly, each the slip end of vacuum bubble is connected with corresponding connecting rod, each the driving piece is installed in the circuit breaker transmission shaft, each the driving piece is provided with the drive slide rail, each the connecting rod is provided with inserts the connection inserted block of locating in the drive slide rail that corresponds, each the drive slide rail is provided with and opens position and closed position, when connecting the inserted block and being located and opening the position, the vacuum bubble switches on, when connecting the inserted block and being located the closed position, the vacuum bubble breaks off.
4. The environmentally friendly gas ring main unit as claimed in claim 3, wherein: each the driving piece that the circuit breaker subassembly corresponds is 2, and sets up in the axial both sides of connecting rod along the circuit breaker transmission shaft that corresponds.
5. The environmentally friendly gas ring main unit as claimed in claim 3, wherein: the circuit breaker transmission shaft is located and is provided with first insulating bush between 2 connecting rods.
6. The ring main unit as claimed in claim 1, wherein: each isolation switch assembly is arranged along the axial interval of the isolation transmission shaft and comprises conducting pieces and conducting rods, each conducting piece is fixedly installed on the box body, each conducting rod is fixedly installed on the isolation transmission shaft, and each conducting piece is located on the rotating track of each conducting rod.
7. The ring main unit as claimed in claim 6, wherein: and the switch chamber is internally provided with a grounding rod which is positioned on the rotating track of each conducting rod.
8. The environmentally friendly gas ring main unit as claimed in claim 6, wherein: each isolating switch assembly further comprises elastic metal pieces, each elastic metal piece is connected with the corresponding circuit breaker assembly, and each conducting rod is provided with a conducting arc surface which is in extrusion contact with the corresponding elastic metal piece.
9. The environmentally friendly gas ring main unit as claimed in claim 1, wherein: the quantity of isolator subassembly and circuit breaker subassembly is 3, each the isolator subassembly sets up with each circuit breaker subassembly jun along the fore-and-aft direction arrangement, each the isolator subassembly is located the circuit breaker subassembly top that corresponds, the box is located each isolator subassembly top and is provided with the first wiring end of being connected with the isolator subassembly that corresponds, each first wiring end sets up along the fore-and-aft direction arrangement, the box is located each circuit breaker subassembly below front side and is provided with the second wiring end of being connected with the circuit breaker subassembly that corresponds, each the second wiring end sets up along controlling the direction arrangement.
CN202222089841.7U 2022-08-09 2022-08-09 Environment-friendly gas ring main unit Active CN217984266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222089841.7U CN217984266U (en) 2022-08-09 2022-08-09 Environment-friendly gas ring main unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222089841.7U CN217984266U (en) 2022-08-09 2022-08-09 Environment-friendly gas ring main unit

Publications (1)

Publication Number Publication Date
CN217984266U true CN217984266U (en) 2022-12-06

Family

ID=84259071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222089841.7U Active CN217984266U (en) 2022-08-09 2022-08-09 Environment-friendly gas ring main unit

Country Status (1)

Country Link
CN (1) CN217984266U (en)

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