CN214590183U - Solid insulation switch cabinet - Google Patents

Solid insulation switch cabinet Download PDF

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Publication number
CN214590183U
CN214590183U CN202021903196.2U CN202021903196U CN214590183U CN 214590183 U CN214590183 U CN 214590183U CN 202021903196 U CN202021903196 U CN 202021903196U CN 214590183 U CN214590183 U CN 214590183U
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China
Prior art keywords
chamber
bus
rectangular cavity
cable
sleeve
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CN202021903196.2U
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Chinese (zh)
Inventor
王晓智
王爱武
陈再玉
王伟
张建国
唐晓鹏
孙龙
王伟平
李婷婷
郭美那
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Offshore Oil Engineering Co Ltd
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Offshore Oil Engineering Co Ltd
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Priority to CN202021903196.2U priority Critical patent/CN214590183U/en
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  • Gas-Insulated Switchgears (AREA)

Abstract

The utility model discloses a solid insulation cubical switchboard, include: the intelligent cabinet comprises a cabinet body, wherein a bus chamber, a switch chamber, a mechanism chamber and a cable chamber are arranged in the cabinet body; three bus portions disposed within the bus chamber; the switch part is arranged in the switch chamber and is fixedly sealed by epoxy resin; the internal operating mechanism is arranged in the mechanism chamber and is fixedly sealed by epoxy resin; and the current transformer is arranged in the cable chamber. The utility model discloses the effectual insulating distance that has reduced between the electrically conductive piece to the size of the cabinet body has just need not fill into sulfur hexafluoride gas and has insulated, has avoided the production of toxic gas, has also avoided the pollution of environment, can also effectually prevent the production of dust and condensation after sealing admittedly, and each compartment is the modularized design in the cabinet body, has still promoted the convenience of product assembly, transportation and maintenance.

Description

Solid insulation switch cabinet
Technical Field
The utility model relates to a switchgear technical field especially relates to a solid insulation cubical switchboard.
Background
The existing widely used switch equipment in the ocean oil and gas field is an air-insulated middle-placed switch cabinet and a sulfur hexafluoride-insulated gas-filled switch cabinet, wherein the air-insulated middle-placed switch cabinet mainly uses air as an insulating medium, so that the insulating distance between conductive pieces in the power distribution equipment is large, the power distribution cabinet is large in size and large in relative occupied area, and the application of the switch equipment is greatly limited for oil and gas field platforms with small soil and gold.
The sulfur hexafluoride gas-filled cabinet is formed by centralizing and sealing electric components such as a bus, a circuit breaker, an isolating switch and the like in a gas chamber filled with sulfur hexafluoride gas, however, the potential value of the greenhouse effect of the sulfur hexafluoride gas is 23900 times that of carbon dioxide, and most of decomposed substances are toxic gas. If the sulfur hexafluoride gas-filled cabinet is leaked and improperly recovered, the sulfur hexafluoride gas is inevitably discharged in use, so that the environmental pollution is serious.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that current switchgear is not only bulky, and pollute seriously.
In order to solve the technical problem, the utility model provides a solid insulation switch cabinet, include:
the cabinet body, the internal generating line room, switch chamber, mechanism room and the cable chamber of being provided with of cabinet.
Three generating line portion, it is three generating line portion sets up it is indoor to generate line, generating line portion includes: the device comprises two three-way silicone rubber sleeves, a straight bus in the same direction, and a rear plug, wherein the straight bus is horizontally inserted into the two three-way silicone rubber sleeves, and the rear plug is arranged at one end of each three-way silicone rubber sleeve.
Switch portion, switch portion sets up in the switch chamber just seals admittedly through epoxy, switch portion includes: rectangle cavity, with the generating line bushing of rectangle cavity one end intercommunication, pour first cast conductor in the generating line bushing, set up the wedge stationary blade of generating line bushing one end, pour ground connection stationary blade in the rectangle cavity, set up the rectangle cavity is inside and rotatable extremely isolation switch on the stationary blade of ground connection, set up the vacuum interrupter of rectangle cavity one end, with the cable wire bushing that vacuum interrupter is connected and pour second cast conductor in the cable wire bushing, the generating line bushing with tee bend silicon rubber sleeve connects.
The internal operating mechanism is arranged in the mechanism chamber and is fixedly sealed through epoxy resin, and the internal operating mechanism is connected with one side of the rectangular cavity.
The current transformer is arranged in the cable chamber and is connected with the cable outlet sleeve through an outlet cable.
Furthermore, the bus outgoing line sleeve and the cable outgoing line sleeve are of L-shaped structures.
Furthermore, the outer wall of the rectangular cavity is provided with a reinforcing rib connected with the cable outlet sleeve.
Furthermore, a plurality of first threaded inserts are arranged on the reinforcing rib, and the rectangular cavity is connected with the cabinet body through the plurality of first threaded inserts.
Furthermore, one side of the rectangular cavity is provided with a plurality of second threaded inserts, and the rectangular cavity is connected with the internal operating mechanism through the plurality of second threaded inserts.
Furthermore, one side of the rectangular cavity corresponding to the second threaded insert is provided with a sealing groove.
Furthermore, the switch part is of a three-phase split-phase structure, and the three-phase bus outgoing line sleeve is distributed in an oblique line in a plane.
Still further, the outer surface of the rectangular cavity is provided with a conductive metal coating that prevents static electricity and induced charges.
Furthermore, the three-way silicon rubber sleeve is connected with the bus outlet sleeve through a double-end bolt.
Furthermore, a first pressure relief channel and a second pressure relief channel are arranged in the cabinet body, the bus chamber is communicated with the first pressure relief channel, and the cable chamber is communicated with the second pressure relief channel.
The technical effects of the utility model reside in that: the switch part and the internal operating mechanism are sealed and insulated through excellent insulating property of the epoxy resin, so that the insulating distance between the conductive pieces is effectively reduced, the size of the cabinet body is further reduced, sulfur hexafluoride gas is not required to be filled for insulation, toxic gas is avoided, environmental pollution is avoided, dust and condensation can be effectively prevented after sealing, all compartments in the cabinet body are designed in a modularized mode, and convenience in product assembly, transportation and maintenance is improved. Further pour first cast type conductor in bus outlet sleeve, pour second cast type conductor in cable outlet sleeve to can guarantee the effective sectional area of through-flow conductor, the circulation of the inside air of equipment can effectively be improved to the cast structure, with the temperature that reduces equipment.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a solid insulated switchgear provided in an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a switch portion in a solid insulated switchgear provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of a switch installation side in a solid insulated switchgear provided in an embodiment of the present invention;
fig. 4 is a schematic view illustrating a connection between a switch portion and an internal operating mechanism in a solid insulated switchgear according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a cabinet combination connection of a bus bar portion in a solid insulated switchgear according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a first side of a bus bar portion in a solid insulated switchgear according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a second side of a bus bar portion in a solid insulated switchgear according to an embodiment of the present invention;
fig. 8 is a front view of a solid insulated switchgear according to an embodiment of the present invention.
Fig. 9 is a rear view of a solid insulated switchgear according to an embodiment of the present invention.
Wherein, 1, a cabinet body; 10. a bus chamber; 11. a switch chamber; 12. a mechanism chamber; 120. a square mechanism box; 13. a cable chamber; 14. an explosion-proof window; 2. a switch section; 20. a rectangular cavity; 21. a bus outgoing sleeve; 22. A wedge-shaped stationary blade; 23. isolating the disconnecting link; 24. a grounded stationary blade; 25. a vacuum arc-extinguishing chamber; 26. a cable outlet sleeve; 27. an outgoing cable; 28. a current transformer; 29. reinforcing ribs; 210. a first threaded insert; 211. sealing the groove; 212. a second threaded insert; 3. a bus portion; 30. a three-way silicone rubber sleeve; 31. A straight bus in the same direction; 32. and (5) plugging.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The embodiment of the utility model provides a solid insulation switch cabinet, as shown in figure 1, include: the cabinet comprises a cabinet body 1, three bus portions 3 arranged in the cabinet body 1, a switch portion 2, an internal operating mechanism and a current transformer 28.
Specifically, as shown in fig. 1, a bus bar room 10, a switch room 11, a mechanism room 12, and a cable room 13 are provided in the cabinet 1.
As shown in fig. 8, various adjusting buttons are provided at the front end of the cabinet 1 for adjusting the internal mechanism.
Specifically, as shown in fig. 1, 5, 6 and 7, three bus bar portions 3 are disposed in the bus bar chamber 10, and each bus bar portion 3 includes: the three-way silicone rubber sleeve comprises two three-way silicone rubber sleeves 30, a straight bus 31 in the same direction, and a rear plug 32, wherein the straight bus 31 is horizontally inserted into the two three-way silicone rubber sleeves 30, and the rear plug is arranged at one end of each three-way silicone rubber sleeve 30.
Wherein, the equidirectional straight bus 31 is inserted into the horizontal openings of the two three-way silicone rubber sleeves 30, and one end of the equidirectional straight bus 31 is inserted into the horizontal opening of the rubber sleeve (silicone rubber material) assembled with the switch cabinet combined with the cabinet body 1.
The cross section of the homodromous straight bus bar 31 is a cylindrical structure of concentric circles and is mainly used for introducing current into the switching section 2.
Specifically, as shown in fig. 1 and 2, the number of the switch portions 2 is the same as that of the bus portions 3, and corresponds to one another. Switch portion 2 sets up in switch room 11 and seals admittedly through epoxy, and switch portion 2 includes: the bus outgoing line device comprises a rectangular cavity 20, a bus outgoing line sleeve 21 communicated with one end of the rectangular cavity 20, a first tubular conductor (not shown in the figure) poured in the bus outgoing line sleeve 21, a wedge-shaped static blade 22 arranged at one end of the bus outgoing line sleeve 21, a grounding static blade 24 poured in the rectangular cavity 20, an isolation disconnecting link 23 arranged in the rectangular cavity 20 and capable of rotating to the grounding static blade 24, a vacuum arc-extinguishing chamber 25 arranged at one end of the rectangular cavity 20, a cable outgoing line sleeve 26 connected with the vacuum arc-extinguishing chamber 25, and a second tubular conductor (not shown in the figure) poured in the cable outgoing line sleeve 26, wherein the bus outgoing line sleeve 21 is connected with one end of a three-way silicone rubber sleeve 30.
The other end of the equidirectional straight bus 31 passes through the three-way silicone rubber sleeve 30 and is inserted into one end of the bus outgoing line sleeve 21 (i.e. the first tubular conductor), and the wedge-shaped static blade 22 is inserted into the other end of the bus outgoing line sleeve 21 (i.e. the first tubular conductor), which is equivalent to that the wedge-shaped static blade 22 is indirectly connected with the equidirectional straight bus 31 through the first tubular conductor.
The cross sections of the first tubular conductor and the second tubular conductor are concentric circles.
When the device power device is used, when the isolation switch 23 is driven by the device power device to rotate to the grounding static blade 24, the main loop is conducted, current enters the vacuum arc-extinguishing chamber 25 through the isolation switch 23 and then enters the cable outgoing sleeve 26, the cable outgoing sleeve 26 is connected with the outgoing cable 27, and the outgoing cable 27 passes through the current transformer 28, so that the outgoing of the whole switch part 2 is completed; when the power device of the device drives the isolation switch 23 to rotate to the grounding static blade 24, the main loop is grounded and disconnected with the wedge-shaped static blade 22, and at the moment, the switch part 2 can be overhauled and maintained.
Specifically, as shown in fig. 4, the internal operating mechanism is disposed in the mechanism chamber 12 and sealed by epoxy resin, and the internal operating mechanism is connected to one side of the rectangular cavity 20.
Wherein the internal operating mechanism is disposed within a profile housing 120.
Specifically, as shown in fig. 1, a current transformer 28 is disposed in the cable chamber 13, and the current transformer 28 is connected to the cable outlet sleeve 26 through an outlet cable 27.
The outgoing cable 27 is inserted into one end of the cable outgoing sleeve 26 (i.e., the second tubular conductor), one end of the vacuum interrupter 25 is inserted into the other end of the cable outgoing sleeve 26 (i.e., the second tubular conductor) through a conductor, and the outgoing cable 27 is indirectly connected with the grounding stationary blade 24 through the second tubular conductor and the vacuum interrupter 25 in sequence.
Specifically, this solid insulated switchgear all adopts the sealed insulating part of aluminizing zinc sheet, and the connected mode of the cabinet body 1 and internal switch carries the nail for the panel beating, and the nut is fixed to realize that 1 surface of the cabinet body is pore-free, thereby promote the protection level.
This embodiment seals admittedly switch portion 2 and inside operating mechanism through the excellent insulating properties of epoxy and insulates to the effectual insulating distance that reduces between the electrically conductive piece, and then the size of the cabinet body 1 has been reduced, and need not fill sulfur hexafluoride gas and insulate, the production of toxic gas has been avoided, the pollution of environment has also been avoided, can also effectually prevent the production of dust and condensation after sealing admittedly, and each compartment is the modularized design in the cabinet body 1, the convenience of product assembly, transportation and maintenance has still been promoted. Further, the first tubular conductor is poured in the bus outgoing line sleeve 21, and the second tubular conductor is poured in the cable outgoing line sleeve 26, so that the effective sectional area of the current conductor can be ensured, meanwhile, the circulation of air inside the equipment can be effectively improved through the tubular structure, and the temperature of the equipment can be reduced.
As another alternative embodiment of the present invention, as shown in fig. 2, the bus bar outgoing line sleeve 21 and the cable outgoing line sleeve 26 are L-shaped structures.
In the present embodiment, the bus outgoing line sleeve 21 is configured to be L-shaped, so that the bus outgoing line sleeve can be conveniently connected to the three-way silicone rubber sleeve 30, and the cable outgoing line sleeve 26 is configured to be L-shaped, so that the cable outgoing line sleeve can be conveniently inserted into the outgoing line cable 27.
As another alternative embodiment of the present invention, as shown in fig. 2, the outer wall of the rectangular cavity 20 is provided with a reinforcing rib 29 connected with the cable outlet sleeve 26.
In the embodiment, the reinforcing rib 29 for connecting the outer wall of the rectangular cavity 20 and the cable outgoing line sleeve 26 is arranged, so that the cable outgoing line sleeve 26 can be prevented from cracking due to over-weak strength.
As another optional embodiment of the present invention, as shown in fig. 3, a plurality of first threaded inserts 210 are provided on the reinforcing rib 29, and the rectangular cavity 20 is connected to the cabinet 1 through the plurality of first threaded inserts 210.
Specifically, the reinforcing ribs 29 are of a plate structure.
Specifically, six first threaded inserts 210 are arranged on the reinforcing rib 29, and the rectangular cavity 20 is connected with the cabinet 1 through the six first threaded inserts 210. Of course, four, five, six, eight, etc. first threaded inserts 210 on the ribs 29 may be provided, depending on the actual requirements.
This embodiment is through setting up a plurality of first threaded inserts 210 on strengthening rib 29 to be connected with the cabinet body 1 through first threaded inserts 210, can promote the steadiness that rectangular cavity 20 and cabinet body 1 are connected like this, and the dismouting maintenance of being convenient for.
As another alternative embodiment of the present invention, as shown in fig. 3, one side of the rectangular cavity 20 is provided with a plurality of second threaded inserts 212, and the rectangular cavity 20 is connected to the square mechanism box 120 outside the internal operating mechanism through the plurality of second threaded inserts 212.
Specifically, ten second threaded inserts 212 are disposed on one side of one rectangular cavity 20, and the rectangular cavity 20 is connected to the square mechanism case 120 outside the internal operating mechanism through the ten second threaded inserts 212. Of course, the second threaded insert 212 on the rectangular cavity 20 may also be provided with seven, eight, eleven, twelve, etc. depending on the actual requirements.
In this embodiment, the plurality of second threaded inserts 212 are disposed on the rectangular cavity 20 and connected to the internal operating mechanism through the second threaded inserts 212, so that the stability of the connection between the rectangular cavity 20 and the internal operating mechanism can be improved, and the assembly, disassembly and maintenance are facilitated.
Further, as shown in fig. 3, a sealing groove 211 is formed in the rectangular cavity 20 corresponding to one side of the second threaded insert 212.
Specifically, a sealing groove 211 is provided at the edge of the rectangular cavity 20, and a sealing ring may be provided in the sealing groove 211.
In this embodiment, the sealing groove 211 is formed in the edge of one side of the rectangular cavity 20, so that a sealing ring can be disposed in the sealing groove 211, and the sealing performance between the rectangular cavity 20 and the internal operating mechanism is further improved.
As another alternative embodiment of the present invention, as shown in fig. 4, the switch part 2 is a three-phase split-phase structure, and the three-phase bus outgoing line casing 21 is distributed in a slant line in a plane.
This embodiment sets up the switch portion 2 to three-phase-splitting formula structure to make three-phase bus outgoing line sleeve 21 be the slash distribution in the plane, thereby can be convenient for workman's installation maintenance.
As another alternative embodiment of the present invention, the outer surface of the rectangular cavity 20 is provided with a conductive metal coating (not shown in the figures) that prevents static electricity and induced charges.
Specifically, the conductive metal coating is a silver, copper, nickel, zinc-carbon series metal coating.
This embodiment can realize its surface ground connection through set up the electrically conductive metal coating at the surface of rectangular cavity 20, and can reach the touchable effect in surface.
As another optional embodiment of the present invention, the three-way silicone rubber sleeve 30 is connected to the bus outgoing line sleeve 21 by a stud bolt.
Specifically, the three-way silicone rubber sleeve 30, the straight bus 31 in the same direction, and the bus outgoing line sleeve 21 are all connected by the stud bolts.
The three-way silicone rubber sleeve 30, the straight bus 31 in the same direction and the bus outgoing line sleeve 21 in the embodiment are all connected through the stud bolts, so that the connection stability can be improved.
As another optional embodiment of the present invention, a first pressure relief channel and a second pressure relief channel (not shown in the figure) are provided in the cabinet body 1, the bus bar room 10 is communicated with the first pressure relief channel, and the cable room 13 is communicated with the second pressure relief channel.
This embodiment is through being provided with first pressure release passageway and second pressure release passageway in cabinet body 1 to can be respectively for generating line room 10 and cable chamber 13 carry out the pressure release, with guarantee personnel's safety that can furthest under the condition of trouble.
As another optional embodiment of the present invention, as shown in fig. 9, the cabinet body 1 is provided with an explosion-proof window 14 on both the upper half and the lower half for observing the internal condition of the cabinet body 1.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A solid insulation switch cabinet is characterized in that: the method comprises the following steps:
the intelligent cabinet comprises a cabinet body, wherein a bus chamber, a switch chamber, a mechanism chamber and a cable chamber are arranged in the cabinet body;
three generating line portion, it is three generating line portion sets up it is indoor to generate line, generating line portion includes: the device comprises two three-way silicone rubber sleeves, a straight bus in the same direction, and a rear plug, wherein the straight bus is horizontally inserted into the two three-way silicone rubber sleeves;
switch portion, switch portion sets up in the switch chamber just seals admittedly through epoxy, switch portion includes: the bus outgoing line device comprises a rectangular cavity, a bus outgoing line sleeve communicated with one end of the rectangular cavity, a first tubular conductor poured in the bus outgoing line sleeve, a wedge-shaped static blade arranged at one end of the bus outgoing line sleeve, a grounding static blade poured in the rectangular cavity, an isolation disconnecting link arranged in the rectangular cavity and capable of rotating to the grounding static blade, a vacuum arc extinguish chamber arranged at one end of the rectangular cavity, a cable outgoing line sleeve connected with the vacuum arc extinguish chamber, and a second tubular conductor poured in the cable outgoing line sleeve, wherein the bus outgoing line sleeve is connected with a three-way silicon rubber sleeve;
the internal operating mechanism is arranged in the mechanism chamber and is fixedly sealed through epoxy resin, and the internal operating mechanism is connected with one side of the rectangular cavity;
the current transformer is arranged in the cable chamber and is connected with the cable outlet sleeve through an outlet cable.
2. The solid insulated switchgear of claim 1, wherein: the bus outgoing line sleeve and the cable outgoing line sleeve are of L-shaped structures.
3. The solid insulated switchgear of claim 1, wherein: and the outer wall of the rectangular cavity is provided with a reinforcing rib connected with the cable outlet sleeve.
4. The solid insulated switchgear of claim 3, wherein: the reinforcing rib is provided with a plurality of first threaded inserts, and the rectangular cavity is connected with the cabinet body through a plurality of first threaded inserts.
5. The solid insulated switchgear of claim 1, wherein: and one side of the rectangular cavity is provided with a plurality of second threaded inserts, and the rectangular cavity is connected with the internal operating mechanism through the plurality of second threaded inserts.
6. The solid insulated switchgear of claim 5, wherein: and a sealing groove is formed in one side of the rectangular cavity corresponding to the second threaded insert.
7. The solid insulated switchgear of claim 1, wherein: the switch part is of a three-phase split-phase structure, and the three phases of bus outgoing line sleeves are distributed in a diagonal manner in a plane.
8. The solid insulated switchgear of claim 1, wherein: the outer surface of the rectangular cavity is provided with a conductive metal coating for preventing static electricity and induced charges.
9. The solid insulated switchgear of claim 1, wherein: the three-way silicone rubber sleeve is connected with the bus outlet sleeve through a double-end bolt.
10. The solid insulated switchgear of claim 1, wherein: the cabinet is internally provided with a first pressure relief channel and a second pressure relief channel, the bus chamber is communicated with the first pressure relief channel, and the cable chamber is communicated with the second pressure relief channel.
CN202021903196.2U 2020-09-03 2020-09-03 Solid insulation switch cabinet Active CN214590183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021903196.2U CN214590183U (en) 2020-09-03 2020-09-03 Solid insulation switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021903196.2U CN214590183U (en) 2020-09-03 2020-09-03 Solid insulation switch cabinet

Publications (1)

Publication Number Publication Date
CN214590183U true CN214590183U (en) 2021-11-02

Family

ID=78313370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021903196.2U Active CN214590183U (en) 2020-09-03 2020-09-03 Solid insulation switch cabinet

Country Status (1)

Country Link
CN (1) CN214590183U (en)

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