CN108988191B - Gas-insulated metal-enclosed switchgear - Google Patents
Gas-insulated metal-enclosed switchgear Download PDFInfo
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- CN108988191B CN108988191B CN201811157337.8A CN201811157337A CN108988191B CN 108988191 B CN108988191 B CN 108988191B CN 201811157337 A CN201811157337 A CN 201811157337A CN 108988191 B CN108988191 B CN 108988191B
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- partition plate
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- plate
- middle position
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- 238000005192 partition Methods 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims abstract description 32
- 230000008030 elimination Effects 0.000 claims abstract description 18
- 238000003379 elimination reaction Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000010891 electric arc Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Abstract
The invention provides novel environment-friendly gas-insulated metal-enclosed switchgear which comprises a cabinet, a longitudinal partition plate, a transverse partition plate, a fixed plate, a power gate valve, a vacuum separation elimination exhaust plate structure, a protection fixed connection box structure, a connection static elimination line structure, a breaker, a wiring cone, a box door, a door handle, a power-off operation table, a breaker, an instrument room and an installation door, wherein the longitudinal partition plate is longitudinally connected with the middle position of the left side of the inner wall of the cabinet through bolts. The arrangement of the L-shaped partition plate, the connecting rod, the fixing column, the arc cone and the cabinet is beneficial to eliminating the arc in a vacuum state and preventing the arc from injuring staff; the arrangement of the cable box and the rubber ring is beneficial to protecting the cable and preventing the cable box from damaging the cable and affecting the cable work; the fixed ring, fixing bolt, quiet connecting wire, go-between and connecting bolt's setting is favorable to eliminating the static that equipment carried, prevents that static from injuring the staff.
Description
Technical Field
The invention belongs to the technical field of metal-enclosed switchgear, and particularly relates to gas-insulated metal-enclosed switchgear.
Background
According to the national standard requirements and the requirements of users: the IAC rating level (internal fault current magnitude and short circuit duration) should be used as a key indicator for switchgear design and the internal fault arc allowable duration should be no less than 0.5 seconds. The breaker chamber, the bus chamber and the cable chamber should be provided with independent pressure release channels and pressure release devices, and the nozzle of the pressure release devices should be directed to avoid inspection channels and other devices. Since the switchgear is only accessible to authorized personnel, who may reach the front, rear and sides of the switchgear, the interior arc protection level (IAC level) of the switchgear is preferably selected for AFLR, since the front, rear and sides of the switchgear are all provided with operation or maintenance channels. The metal-enclosed switchgear and the control device should in principle be able to prevent internal faults from occurring, and the appropriate switchgear should be selected according to the characteristics of the power network, the operating regulations and the conditions of use; the switchgear should be installed, operated and maintained according to the manufacturer's instructions. Internal faults may be caused by defects of the high-voltage switch cabinet, abnormal working conditions, misoperation and the like, so that internal electric arcs may be caused; when an internal arc is generated, people are not hurt, and the operation of the adjacent high-voltage switch cabinets is not influenced; meanwhile, the influence of other operation compartments in the cabinet is reduced to the greatest extent. The design and structure of the metal-enclosed switchgear and the control equipment must consider the technology of anti-internal fault protection, the breaker chamber, the bus bar chamber and the cable chamber are provided with independent pressure release channels, and if an internal fault arc is generated, the gas can release the pressure through the exhaust channels; and necessary protective measures are needed to ensure personal safety. In the existing gas-insulated metal-enclosed switchgear, a pressure release window A facing the rear of a cabinet body is arranged in a bus chamber, a pressure release window B facing the upper part of the cabinet body is arranged in a breaker chamber, the pressure release windows A and B are directly communicated with an upward pressure release channel arranged at the rear of the cabinet body, and the pressure release channel is communicated with the atmosphere through a top cover pressure release hole at the top of the cabinet body; the cable chamber is not provided with a pressure relief channel extending into the top of the cabinet.
The Chinese patent publication No. CN105826854A, the invention creates a gas-insulated metal-enclosed switchgear, including bus-bar chamber, breaker chamber and cable chamber, the said bus-bar chamber has bus-bar chamber pressure relief window (A), breaker chamber has breaker pressure relief window (B), the relief window (A and B) all communicates an upward pressure relief channel, the pressure relief channel communicates the atmosphere through the top cap pressure relief hole on the top of the cabinet body; the method is characterized in that: the bus chamber, the breaker chamber and the cable chamber are mutually independent and are not influenced by each other by directly adopting a separation device or by mutually matching with a sealing device. However, the existing gas-insulated metal-enclosed switchgear also has the problems that vacuum arc elimination work cannot be performed, cable protection is inconvenient, and static electricity elimination of the equipment is inconvenient.
Therefore, it is necessary to invent a novel environment-friendly gas-insulated metal-enclosed switchgear.
Disclosure of Invention
In order to solve the technical problems, the invention provides gas-insulated metal-enclosed switchgear to solve the problems that the existing gas-insulated metal-enclosed switchgear cannot perform vacuum arc elimination work, and is inconvenient to protect cables and to eliminate static electricity of the equipment. The gas-insulated metal-enclosed switchgear comprises a cabinet, a longitudinal partition plate, a transverse partition plate, a fixed plate, a power gate valve, a vacuum partition elimination exhaust plate structure, a protection fixed connection box structure, a connection static elimination line structure, a breaker, a wiring cone, a box door, a door handle, a power-off operation table, a circuit breaker, an instrument room and an installation door, wherein the longitudinal partition plate is longitudinally connected with the middle position of the left side of the inner wall of the cabinet through bolts; one end of the transverse partition plate is connected to the right lower part of the longitudinal partition plate through bolts; the other end of the transverse partition plate is connected to the lower part of the right inner wall of the cabinet through bolts; the fixing plate is connected with the middle position of the upper part of the front surface of the cabinet through bolts; the power gate valve is connected to the middle position of the upper part of the front surface of the cabinet through bolts; the vacuum separation elimination exhaust plate structure is arranged at the right upper corner position of the front surface of the cabinet; the protection fixed connection box structure is arranged at the right lower corner of the box cabinet; the connecting static eliminating line structure is arranged at the lower part of the left side of the front surface of the cabinet; the breaker is connected to the upper part of the right side of the longitudinal partition plate through bolts; the wiring cone is sequentially connected with the upper end of the transverse partition plate by bolts from left to right; the box door is hinged to the lower right side of the box cabinet; the door handle screw is connected to the middle position of the left side of the door; the power-off operation table is arranged at the upper part of the left side of the longitudinal separation plate; the instrument room is arranged at the upper left corner position of the upper end of the cabinet; the mounting door hinge is connected to the middle position of the right side of the cabinet; the vacuum separation elimination exhaust plate structure comprises an L-shaped partition plate, a connecting rod, a fixing column, an arc cone, an exhaust pipe and a sealing cap, wherein the L-shaped partition plate is welded at the upper right corner of the cabinet; one end of the connecting rod is welded at the lower part of the left side of the L-shaped partition plate, and the other end of the connecting rod is connected with the right side of the power gate valve through bolts; the fixing columns are sequentially welded on the right side of the L-shaped partition plate from top to bottom; the arc cone bolt is connected to the right side of the fixed column; the exhaust pipe is welded at the middle position of the lower part of the L-shaped partition plate, and the L-shaped partition plate is communicated with the exhaust pipe; the sealing cap is in threaded connection with the outer wall of the lower end of the exhaust pipe.
Preferably, the protection fixed connection box structure comprises a cable box, a binding post, a binding bolt, a rubber ring, a box cover and a cover handle, wherein the binding post is welded at the top end of the cable box in sequence from left to right; the wiring bolt is in threaded connection with the middle position of the lower end of the wiring post; the rubber ring is glued on the inner wall of a through hole formed in the lower part of the front surface of the cable box; the box cover hinge is connected to the right side of the cable box; the cover is connected with the screw at the middle position of the right side of the cover.
Preferably, the connecting static eliminating line structure comprises a fixed ring, a fixed bolt, a static connecting line, a connecting ring, a connecting bolt and a conducting plate, wherein the fixed bolt penetrates through the middle position inside the fixed ring; one end of the static connecting wire is welded on the outer wall of the lower end of the fixed ring; the other end of the electrostatic connecting wire is welded at the middle position of the upper end of the connecting ring; the connecting bolt penetrates through the middle position inside the connecting ring; the connecting bolt penetrates through a through hole formed in the middle position inside the conducting plate.
Preferably, the sealing cap is a copper cap with a rubber pad glued inside.
Preferably, a rubber pad with a thickness of three millimeters to five millimeters is arranged between the box cover and the cable box.
Preferably, the cable box is connected to the right lower corner of the box through bolts; the lower part of the right side of the cabinet is provided with a through hole; the through hole formed in the lower right side of the cabinet is arranged corresponding to the through hole formed in the lower front surface of the cable box.
Preferably, the conductive plate is a cuboid copper plate with a through hole inside; the electrostatic connecting wire is braided by copper wires.
Preferably, the fixing bolt is in threaded connection with the lower left side of the front surface of the cabinet.
Preferably, the power gate valve specifically adopts a knife gate with the model HD 11F-200; the breaker specifically adopts a leakage protector with the model of DZ15 LE-100; the circuit breaker specifically adopts a circuit breaker with the model of NM 10-100.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arrangement of the L-shaped partition plate, the connecting rod, the fixing column, the arc cone and the cabinet can form a vacuum space between the L-shaped partition plate and the cabinet, so that the arc can be eliminated in a vacuum state, and the arc is prevented from injuring staff.
2. In the invention, the arrangement of the cable box and the rubber ring is beneficial to protecting the cable and preventing the cable box from damaging the cable and affecting the cable work.
3. In the invention, the arrangement of the fixing ring, the fixing bolt, the statically determinate connecting wire, the connecting ring and the connecting bolt is beneficial to eliminating static electricity carried by equipment and preventing the static electricity from injuring staff.
4. In the invention, the static connecting wire, the connecting ring, the connecting bolt and the conducting plate are arranged, which is favorable for increasing the static eliminating mode and is convenient for carrying out static eliminating work at different positions.
5. According to the invention, the arrangement of the breaker and the breaker is beneficial to automatic power-off work when the cable is leaked, so that the injury to workers is prevented.
6. In the invention, the cable box, the binding post and the binding bolt are arranged, which is favorable for cable installation work and is convenient for fixing cables.
7. According to the cable box, the box cover and the cover handle, the cable box, the box cover and the cover handle are arranged, so that the connection condition of cables can be checked regularly, and the cables can be prevented from loosening after long-time use.
8. In the invention, the arrangement of the cabinet and the mounting door is beneficial to mounting electrical equipment and is convenient for maintaining and maintaining the electrical equipment.
9. In the invention, the arrangement of the L-shaped partition plate, the connecting rod, the fixing column, the arc cone, the exhaust pipe and the sealing cap is beneficial to preventing the formation of harmful gas in the external air of the arc electrolysis equipment, thereby playing a role in protecting the environment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the vacuum separation elimination exhaust plate structure of the present invention.
Fig. 3 is a schematic structural view of the structure of the protection fixing connection box of the present invention.
Fig. 4 is a schematic structural view of the structure of the connecting static electricity eliminating wire of the present invention.
In the figure: 1. a cabinet; 2. a longitudinal dividing plate; 3. a transverse dividing plate; 4. a fixing plate; 5. a power gate valve; 6. vacuum separation eliminates the exhaust plate structure; 61. an L-shaped partition plate; 62. a connecting rod; 63. fixing the column; 64. an arc cone; 65. an exhaust pipe; 66. a sealing cap; 7. a protective fixed connection box structure; 71. a cable box; 72. binding posts; 73. a wiring bolt; 74. a rubber ring; 75. a case cover; 76. a cover handle; 8. connecting an electrostatic eliminating wire structure; 81. a fixing ring; 82. a fixing bolt; 83. an electrostatic connection line; 84. a connecting ring; 85. a connecting bolt; 86. a conductive plate; 9. a circuit breaker; 10. a wiring cone; 11. a door; 12. a door handle; 13. a power-off operation table; 14. a circuit breaker; 15. an instrument room; 16. and installing a door.
Detailed Description
The invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a gas-insulated metal-enclosed switchgear comprises a cabinet 1, a longitudinal partition plate 2, a transverse partition plate 3, a fixed plate 4, a power gate valve 5, a vacuum separation elimination exhaust plate structure 6, a protection fixed connection box structure 7, a connection static elimination line structure 8, a breaker 9, a connection cone 10, a box door 11, a door handle 12, a power-off operation table 13, a breaker 14, an instrument room 15 and an installation door 16, wherein the longitudinal partition plate 2 is longitudinally connected with the middle position on the left side of the inner wall of the cabinet 1 through bolts; one end of the transverse partition plate 3 is connected with the right lower part of the longitudinal partition plate 2 through bolts; the other end of the transverse partition plate 3 is connected to the lower part of the right inner wall of the cabinet 1 through bolts; the fixing plate 4 is connected to the middle position of the upper part of the front surface of the cabinet 1 through bolts; the power gate valve 5 is connected to the middle position of the upper part of the front surface of the cabinet 1 through bolts; the vacuum separation elimination exhaust plate structure 6 is arranged at the right upper corner position of the front surface of the cabinet 1; the protection fixed connection box structure 7 is arranged at the right lower corner of the box 1; the connecting static eliminating line structure 8 is arranged at the lower part of the left side of the front surface of the cabinet 1; the breaker 9 is connected to the upper right side of the longitudinal partition plate 2 through bolts; the wiring cone 10 is sequentially connected with the upper end of the transverse partition plate 3 by bolts from left to right; the box door 11 is connected to the lower right side of the box 1 in a hinge manner; the door handle 12 is connected with the left middle position of the box door 11 through a screw; the power-off operation table 13 is arranged at the upper left side of the longitudinal separation plate 2; the instrument room 15 is arranged at the upper left corner position of the upper end of the cabinet 1; the mounting door 16 is connected to the middle position of the right side of the cabinet 1 in a hinge manner; the vacuum separation elimination exhaust plate structure 6 comprises an L-shaped partition plate 61, a connecting rod 62, a fixing column 63, an arc cone 64, an exhaust pipe 65 and a sealing cap 66, wherein the L-shaped partition plate 61 is welded at the upper right corner of the cabinet 1; one end of the connecting rod 62 is welded at the lower left side of the L-shaped partition plate 61, and the other end is connected with the right side of the power gate valve 5 through bolts; the fixing columns 63 are welded on the right side of the L-shaped partition plate 61 from top to bottom in sequence; the arc cone 64 is connected to the right side of the fixed column 63 through bolts; the exhaust pipe 65 is welded at the middle position of the lower part of the L-shaped partition plate 61, and the L-shaped partition plate 61 and the exhaust pipe 65 are communicated; the sealing cap 66 is in threaded connection with the outer wall of the lower end of the exhaust pipe 65; when the electric arc cleaning machine is used, one end of the connecting rod 62 is connected to one side of the power gate valve 5, the sealing cap 66 is rotated, air between the L-shaped partition plate 61 and the cabinet 1 is sucked away by using an external air suction machine, a vacuum state is formed between the L-shaped partition plate 61 and the cabinet 1, an electric arc generated by electric equipment is eliminated in the vacuum state through the electric arc cone 64, and the electric arc is prevented from injuring maintenance personnel.
In this embodiment, referring to fig. 3, the protective and fixed connection box structure 7 includes a cable box 71, a binding post 72, a binding bolt 73, a rubber ring 74, a box cover 75 and a cover handle 76, and the binding post 72 is welded on the top end of the cable box 71 in sequence from left to right; the wiring bolt 73 is in threaded connection with the middle position of the lower end of the wiring post 72; the rubber ring 74 is glued on the inner wall of the through hole formed in the lower part of the front surface of the cable box 71; the box cover 75 is connected to the right side of the cable box 71 in a hinge manner; the cover handle 76 is connected with the right middle position of the box cover 75 through screws; through holes formed in the lower right side of the cabinet 1 are penetrated through by the cables, the cables penetrate through the rubber ring 74, the connection bolts 73 are loosened, the cables are wound on the lower portions of the outer walls of the connection bolts 73 respectively, the connection bolts 73 are screwed down, the connection bolts 73 and the connection posts 72 compress the cables to work, the cables are protected through the rubber ring 74, and the cable box 71 is prevented from damaging the cables to affect the cable work.
In this embodiment, as shown in fig. 4, the connecting static eliminating wire structure 8 includes a fixing ring 81, a fixing bolt 82, a static connecting wire 83, a connecting ring 84, a connecting bolt 85 and a conductive plate 86, wherein the fixing bolt 82 penetrates through an inner middle position of the fixing ring 81; one end of the static connecting wire 83 is welded on the outer wall of the lower end of the fixed ring 81; the other end of the static connecting wire 83 is welded at the middle position of the upper end of the connecting ring 84; the connecting bolt 85 penetrates through the middle position inside the connecting ring 84; the connecting bolt 85 penetrates through a through hole formed in the middle position inside the conductive plate 86; the fixing bolt 82 is connected to the lower left side of the front surface of the cabinet 1, the connecting bolt 85 and the conductive plate 86 are connected to static electricity eliminating equipment, static electricity eliminating work is performed, and if necessary, the connecting bolt 85 and the conductive plate 86 are buried in proper positions on proper ground to prevent static electricity from injuring workers.
In this embodiment, the sealing cap 66 is a copper cap with a rubber pad glued inside.
In this embodiment, specifically, a rubber pad having a thickness of three to five millimeters is provided between the cover 75 and the cable box 71.
In this embodiment, specifically, the cable box 71 is bolted to the lower right corner of the cabinet 1; the lower part of the right side of the cabinet 1 is provided with a through hole; the through holes formed in the lower right side of the cabinet 1 are arranged corresponding to the through holes formed in the lower front surface of the cable box 71.
In this embodiment, specifically, the conductive plate 86 is a rectangular copper plate with a through hole therein; the electrostatic connecting wire 83 is braided by copper wires.
In this embodiment, specifically, the fixing bolt 82 is screwed to the lower left side of the front surface of the cabinet 1.
In this embodiment, specifically, the power gate valve 5 specifically adopts a knife switch with model HD 11F-200; the breaker 9 is a leakage protector with the model of DZ15 LE-100; the breaker 14 is specifically a type of NM10-100 breaker.
Principle of operation
In the invention, when in use, one end of the connecting rod 62 is connected to one side of the power gate valve 5, the sealing cap 66 is rotated, the air between the L-shaped partition plate 61 and the cabinet 1 is sucked away by using an external air suction machine, a vacuum state is formed between the L-shaped partition plate 61 and the cabinet 1, an electric arc generated by electric appliances is eliminated through the electric arc cone 64 in the vacuum state, the electric arc is prevented from injuring maintenance personnel, a cable penetrates through a through hole formed in the lower right side of the cabinet 1, the cable penetrates through the inside of the rubber ring 74, the connecting bolt 73 is loosened, the cable wind is wound on the lower part of the outer wall of the connecting bolt 73, the connecting bolt 73 is screwed, the cable is tightly pressed by the connecting bolt 73 and the binding post 72, the cable is protected by the rubber ring 74, the cable is prevented from being damaged by the cable box 71, the fixing bolt 82 is connected to the lower left side of the front surface of the cabinet 1, the connecting bolt 85 and the conductive plate 86 are connected to the static eliminating equipment, and when necessary, the connecting bolt 85 and the conductive plate 86 are buried in a proper position on the proper ground, and the static electricity is prevented from injuring the personnel.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
Claims (8)
1. A gas insulated metal enclosed switchgear characterized by: the gas-insulated metal-enclosed switchgear comprises a cabinet (1), a longitudinal separation plate (2), a transverse separation plate (3), a fixing plate (4), a power gate valve (5), a vacuum separation elimination exhaust plate structure (6), a protection fixed connection box structure (7), a connection static elimination line structure (8), a breaker (9), a wiring cone (10), a box door (11), a door handle (12), a power-off operation table (13), a breaker (14), an instrument room (15) and an installation door (16), wherein the longitudinal separation plate (2) is longitudinally connected to the middle position of the left side of the inner wall of the cabinet (1) through bolts; one end of the transverse partition plate (3) is connected with the right lower part of the longitudinal partition plate (2) through bolts; the other end of the transverse partition plate (3) is connected to the lower part of the right inner wall of the cabinet (1) through bolts; the fixing plate (4) is connected to the middle position of the upper part of the front surface of the cabinet (1) through bolts; the power gate valve (5) is connected to the middle position of the upper part of the front surface of the cabinet (1) through bolts; the vacuum separation elimination exhaust plate structure (6) is arranged at the right upper corner position of the front surface of the cabinet (1); the protection fixed connection box structure (7) is arranged at the right lower corner of the box cabinet (1); the connecting static eliminating line structure (8) is arranged at the lower part of the left side of the front surface of the cabinet (1); the breaker (9) is connected to the upper right side of the longitudinal partition plate (2) through bolts; the wiring cone (10) is sequentially connected with the upper end of the transverse partition plate (3) through bolts from left to right; the box door (11) is connected to the lower right side of the box cabinet (1) through a hinge; the door handle (12) is connected with the left middle position of the box door (11) through screws; the power-off operation table (13) is arranged at the upper left side of the longitudinal partition plate (2); the instrument room (15) is arranged at the upper left corner position of the upper end of the cabinet (1); the mounting door (16) is connected to the middle position of the right side of the cabinet (1) in a hinge manner; the vacuum separation and elimination exhaust plate structure (6) comprises an L-shaped partition plate (61), a connecting rod (62), a fixing column (63), an arc cone (64), an exhaust pipe (65) and a sealing cap (66), wherein the L-shaped partition plate (61) is welded at the upper right corner of the cabinet (1); one end of the connecting rod (62) is welded at the lower left side of the L-shaped partition plate (61), and the other end of the connecting rod is connected with the right side of the power gate valve (5) through bolts; the fixing columns (63) are welded on the right side of the L-shaped partition plate (61) from top to bottom in sequence; the arc cone (64) is connected to the right side of the fixed column (63) through bolts; the exhaust pipe (65) is welded at the middle position of the lower part of the L-shaped partition plate (61), and the L-shaped partition plate (61) is communicated with the exhaust pipe (65); the sealing cap (66) is in threaded connection with the outer wall of the lower end of the exhaust pipe (65); one end of a connecting rod (62) is connected to one side of a power gate valve (5), a sealing cap (66) is rotated, air between an L-shaped partition plate (61) and a cabinet (1) is sucked away by using an external air suction machine, a vacuum state is formed between the L-shaped partition plate (61) and the cabinet (1), and an electric arc generated by electric equipment is eliminated in the vacuum state through an electric arc cone (64).
2. The gas-insulated metal-enclosed switchgear according to claim 1, wherein the protective fixed connection box structure (7) comprises a cable box (71), a binding post (72), a binding bolt (73), a rubber ring (74), a box cover (75) and a cover handle (76), wherein the binding post (72) is welded at the top end of the cable box (71) in sequence from left to right; the wiring bolt (73) is in threaded connection with the middle position of the lower end of the wiring post (72); the rubber ring (74) is glued on the inner wall of the through hole formed in the lower part of the front surface of the cable box (71); the box cover (75) is connected to the right side of the cable box (71) through a hinge; the cover handle (76) is connected with the right middle position of the box cover (75) through screws.
3. The gas-insulated metal-enclosed switchgear as claimed in claim 1, wherein said connecting static electricity eliminating wire structure (8) comprises a fixing ring (81), a fixing bolt (82), a static electricity connecting wire (83), a connecting ring (84), a connecting bolt (85) and a conductive plate (86), said fixing bolt (82) penetrating through an inner intermediate position of the fixing ring (81); one end of the static connecting wire (83) is welded on the outer wall of the lower end of the fixed ring (81); the other end of the electrostatic connecting wire (83) is welded at the middle position of the upper end of the connecting ring (84); the connecting bolt (85) penetrates through the inner middle position of the connecting ring (84); the connecting bolt (85) penetrates through a through hole formed in the middle position inside the conducting plate (86).
4. A gas insulated metal-enclosed switchgear as claimed in claim 1, wherein the sealing cap (66) is a copper cap with rubber pads glued inside.
5. A gas insulated metal enclosed switchgear according to claim 2, wherein a rubber pad having a thickness of three to five millimeters is provided between the cover (75) and the cable box (71).
6. A gas insulated metal-enclosed switchgear device according to claim 2, characterized in that the cable box (71) is bolted in the lower right-hand corner position of the cabinet (1); the lower part of the right side of the cabinet (1) is provided with a through hole; the through hole formed in the lower portion of the right side of the cabinet (1) is arranged corresponding to the through hole formed in the lower portion of the front surface of the cable box (71).
7. A gas-insulated metal-enclosed switchgear as claimed in claim 3, wherein said conductive plate (86) is a rectangular parallelepiped copper plate having a through hole formed therein; the electrostatic connecting wire (83) is braided by copper wires.
8. A gas insulated metal-enclosed switchgear according to claim 3, wherein said fixing bolt (82) is screwed to the right-hand lower position of the front surface of the cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157337.8A CN108988191B (en) | 2018-09-30 | 2018-09-30 | Gas-insulated metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157337.8A CN108988191B (en) | 2018-09-30 | 2018-09-30 | Gas-insulated metal-enclosed switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108988191A CN108988191A (en) | 2018-12-11 |
| CN108988191B true CN108988191B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811157337.8A Active CN108988191B (en) | 2018-09-30 | 2018-09-30 | Gas-insulated metal-enclosed switchgear |
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| CN102255258A (en) * | 2011-07-19 | 2011-11-23 | 沈阳华利能源设备制造有限公司 | 126-kV cabinet type gas-insulated metal-closed switching equipment |
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| CN202084876U (en) * | 2011-01-26 | 2011-12-21 | 曹志阳 | Cable fixing device for power distribution room |
| JP5638726B1 (en) * | 2014-04-29 | 2014-12-10 | 三菱電機株式会社 | Gas insulated switchgear |
| CN105826854B (en) * | 2016-03-22 | 2018-04-17 | 广州白云电器设备股份有限公司 | A kind of Cubicle Gas-Insulated Switchgear |
| CN206727437U (en) * | 2016-12-13 | 2017-12-08 | 北京金风科创风电设备有限公司 | Power distribution cabinet inlet-outlet line sealing structure, power distribution cabinet |
| CN107565397A (en) * | 2017-08-16 | 2018-01-09 | 安徽长龙电气集团有限公司 | A kind of electrostatic proof safety type low-voltage distribution cabinet |
| CN207234212U (en) * | 2017-09-28 | 2018-04-13 | 西门子中压开关技术（无锡）有限公司 | Cabinet |
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| CN102255258A (en) * | 2011-07-19 | 2011-11-23 | 沈阳华利能源设备制造有限公司 | 126-kV cabinet type gas-insulated metal-closed switching equipment |
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