CN102761074B - Anti-explosive type insulating gas looped network switch cabinet - Google Patents
Anti-explosive type insulating gas looped network switch cabinet Download PDFInfo
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- CN102761074B CN102761074B CN201210259054.0A CN201210259054A CN102761074B CN 102761074 B CN102761074 B CN 102761074B CN 201210259054 A CN201210259054 A CN 201210259054A CN 102761074 B CN102761074 B CN 102761074B
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- insulating
- rotating shaft
- operating mechanism
- sleeve
- limiting plate
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- 239000002360 explosive Substances 0.000 title abstract 8
- 239000007789 gas Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract 3
- 238000007789 sealing Methods 0.000 abstract 2
- 238000003491 array Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to improvement of power distribution equipment of power grids, and provides an anti-explosive type insulating gas looped network switch cabinet. The anti-explosive type insulating gas looped network switch cabinet comprises a cabinet body, a protective module, a disconnecting switch, an operating mechanism and an insulating sleeve, and is characterized in that an anti-explosive valve is arranged in an anti-explosive chamber; butterfly type skirt-shaped edges are arranged on two sleeves on each insulating box of the protective box; an input terminal, an output terminal and a grounding terminal are arranged on the housing wall of each insulating cover of the disconnecting switch respectively; a disconnecting switch operating mechanism is provided with an operating rotating shaft, a positioning plate and a plug pin, wherein three positioning holes are formed in the positioning plate; one end of the insulating sleeve is structured as a bent tube; and the end of the insulating sleeve, structured as the bent tube, is arranged in a sealing chamber. The anti-explosive type insulating gas looped network switch cabinet mainly solves the problems of current insulating gas looped network switch cabinet that the wiring terminal of the protective module has low insulating safety coefficient, the disconnecting sleeve has no grounding function, the disconnecting switch operating mechanism is unstable in positioning, the spacing of the arranged conductive arrays of the wire inlet insulating sleeve is small, and the sealing chamber of the switch cabinet has poor anti-explosive performance; and the anti-explosive type insulating gas looped network switch cabinet is mainly applied to improving the current insulating gas looped network switch cabinets.
Description
(i) technical field: the present invention relates to the improvement of electrical network controller switching equipment, is a kind of explosion-proof type insulating gas loop-network switch cabinet.
(ii) background technology: the existing high-voltage ring network switch cabinet of China is mainly to adopt sulphur hexafluoride (SF
6) insulating gas loop-network switch cabinet, prior art insulating gas loop-network switch cabinet is mainly by cabinet, overcurrent short circuit protection module, isolating switch, killer switch, operating mechanism and sulphur hexafluoride (SF
6) filling insulating gas composition; The problem that prior art insulating gas loop-network switch cabinet exists is: overcurrent short circuit protection module binding post insulation safety coefficient is low, the no ground function of isolating switch, that isolator operating mechanism location is unstable, insulating sleeve connects electricity electricity row's installing space explosion-proof performance little and switch cubicle closed chamber is poor.
(iii) summary of the invention: object of the present invention be exactly to solve that the existing protection module binding post of existing insulating gas loop-network switch cabinet insulation safety coefficient is low, the no ground function of isolating switch, isolator operating mechanism location are unstable, insulating sleeve connects the problem that electricity electricity row installing space is little and switch cubicle closed chamber explosion-proof performance is poor, and a kind of explosion-proof type insulating gas loop-network switch cabinet is provided.
Concrete scheme of the present invention is: a kind of explosion-proof type insulating gas loop-network switch cabinet, it is provided with cabinet, cabinet is to adopt dividing plate to form respectively to have explosion-proof cell, closed chamber, control room, operating room and cable vault, and wherein, control room, operating room and cable vault are equipped with and seal up a door; In closed chamber, be filled with nitrogen (N
2), in closed chamber, being separately installed with protection module and isolating switch, protection module is provided with three insulation booths, is respectively equipped with two sleeve pipes on each insulation booth, and isolating switch is provided with three insulating covers, is separately installed with input terminal and lead-out terminal on each insulating cover; Instrument is installed in control room, is separately installed with operating mechanism and isolator operating mechanism in operating room, operating mechanism and isolator operating mechanism are respectively to coordinate installation with protection module and isolating switch in closed chamber; Several insulating sleeves are installed in cable vault, and one end of each insulating sleeve is circumscribed with cable, and the other end of each insulating sleeve is to extend to be arranged in closed chamber, and adopts busbar to be connected with the input of protection module and the output of isolating switch respectively; It is characterized in that: on the dividing plate between closed chamber and explosion-proof cell, explosion-proof valve is installed; On two sleeve pipes on each insulation booth of protection module, be equipped with butterfly shirt rim; On the shell wall of each insulating cover of isolating switch, be respectively equipped with two rib looped networks and an earth terminal, the input terminal on each insulating cover of isolating switch and lead-out terminal are in two rib looped networks that are arranged on respectively on each insulating cover; Isolator operating mechanism is provided with operation rotating shaft, location-plate and latch, location-plate is provided with three location holes, when the operation rotating shaft in isolator operating mechanism is in one of them position, three installation sites, latch is to be inserted on location-plate three location holes wherein in corresponding location hole; One end of insulating sleeve is to be bend pipe structure, and insulating sleeve is that the one end of constructing with bend pipe is arranged in closed chamber.
Between the output of protection module of the present invention and the input of isolating switch, be to adopt the soft busbar that connects to connect.
Isolating switch of the present invention is comprised of a deciliter blade, input terminal, insulating cover, rotating shaft, earth terminal, limiting plate, support and lead-out terminal, rotating shaft is mounted in the inner side of support, three insulating covers are to be sleeved in rotating shaft, three deciliters blades are to be arranged in three corresponding insulating covers, and three deciliters blades are to adopt screw and rotating shaft to form to install; Two rib looped networks are to be located at respectively on the shell wall up and down of each insulating cover, and earth terminal is provided in a side of on the front side shell wall of each insulating cover, and input terminal, lead-out terminal and earth terminal are to extend to be arranged in the shell wall of each insulating cover; Two limiting plates are mounted in the two ends of rotating shaft, are equipped with two ribs on every limiting plate, and when rotating shaft and three deciliters blades are in two limit installation sites, two ribs on every limiting plate are to contact with the base plate of support respectively.
Isolator operating mechanism of the present invention is by bearing support, locating piece, cam limiting plate, operation rotating shaft, axle sleeve, post rod mechanism, latch, tensioning spring and handle form, one end of operation rotating shaft is provided with wedge-shaped slot, operation rotating shaft is to adopt two axle sleeves to be arranged on bearing support, cam limiting plate is to adopt locking key to be arranged in operation rotating shaft, three location holes and two backing pins are provided in a side of on the plate face of cam limiting plate, two locating pieces are to be arranged in bearing support to be positioned at the operation both sides up and down of rotating shaft and a side of cam limiting plate, post rod mechanism is mounted in the below that bearing support is positioned at cam limiting plate outline, latch is mounted in bearing support and is positioned at the operation rear side of rotating shaft and a side of cam limiting plate, handle is mounted in the outer end of latch, tensioning spring is to be sleeved on latch, one end of tensioning spring is to contact with the support plate of bearing support, the other end of tensioning spring is to contact with the back-up ring being fixed on latch, described isolator operating mechanism is to operate rotating shaft to be connected with the rotating shaft formation in isolating switch with one end of wedge-shaped slot, when the operation rotating shaft in described isolator operating mechanism and cam limiting plate are in two limit installation sites, two backing pins on cam limiting plate are to contact with two locating pieces on bearing support respectively.
Insulating sleeve of the present invention is comprised of sleeve pipe and electric conductor, and the two ends of electric conductor are respectively equipped with two connecting holes, and electric conductor is mounted in sleeve pipe, and sleeve pipe is provided with connecting plate, and one end that sleeve pipe is positioned at bend pipe structure is provided with butterfly shirt rim.
The present invention compares with existing insulating gas loop-network switch cabinet, and the present invention is provided with explosion-proof valve on the dividing plate between closed chamber and explosion-proof cell; On the line sleeve pipe of each insulation booth of protection module, be provided with butterfly shirt rim; Input terminal and lead-out terminal place at each insulating cover of isolating switch are provided with rib looped network structure, and have additional earth terminal on each insulating cover; On the cam limiting plate of isolator operating mechanism, have additional three location holes, and have additional fastening screw in a side of cam limiting plate; The one end that switch cubicle is passed in and out to line insulating sleeve is designed to bend pipe structure, and one end of bend pipe structure is arranged in closed chamber; The present invention is through improvement to former knot, solved that the existing protection module binding post of original structure insulation safety coefficient is low, the no ground function of loop networks switch, loop networks switch operating mechanism location are unstable, insulating sleeve connects the problem that electricity electricity row installing space is little and switch cubicle closed chamber explosion-proof performance is poor; Compact conformation of the present invention, effect is remarkable, easy to operate, coefficient of safety is high; The present invention preferably resolves that the existing protection module binding post of existing insulating gas loop-network switch cabinet insulation safety coefficient is low, the no ground function of isolating switch, isolator operating mechanism location are unstable, inlet wire insulating sleeve connects the problem that electricity electricity row installing space is little and switch cubicle closed chamber explosion-proof performance is poor.
(iv) accompanying drawing explanation:
Fig. 1: structural front view of the present invention;
Fig. 2: isolating switch structural front view;
Fig. 3: isolating switch structure vertical view;
Fig. 4: limiting plate structural front view;
Fig. 5: insulation booth structural front view;
Fig. 6: isolator operating mechanism structural front view;
Fig. 7: isolator operating mechanism structure vertical view;
Fig. 8: cam limiting plate structural front view;
Fig. 9: insulating sleeve structure front view;
In figure: 1-explosion-proof cell, 2-explosion-proof valve, 3-busbar, 4-isolating switch, 5-soft the busbar that connects, 6-protection module, 7-closed chamber, 8-cabinet, 9-nitrogen, 10-insulation booth, 11-instrument, 12-control room, 13-operating mechanism, 14-operating room, 15-isolator operating mechanism, 16-seal up a door, 17-external cable, 18-insulating sleeve, 19-cable vault, 20-deciliter blade, 21-input terminal, 22--rib looped network, 23--insulating cover, 24--rotating shaft, 25--earth terminal, 26--limiting plate, 27--support, 28--lead-out terminal, 29--rib, 30--sleeve pipe, 31--butterfly shirt rim, 32-bearing support, 33-locating piece, 34-cam limiting plate, 35-location hole, 36-wedge-shaped slot, 37-operation rotating shaft, 38-axle sleeve, 39-backing pin, 40-post rod mechanism, 41-latch, 42-tensioning spring, 43-handle, 44-sleeve pipe, 45-electric conductor, 46-connecting plate, 47-connecting hole, 48-butterfly shirt rim.
(v) embodiment:
Embodiment: (referring to Fig. 1) a kind of explosion-proof type insulating gas loop-network switch cabinet, it is provided with cabinet 8, cabinet 8 be adopt dividing plate to form respectively to have explosion-proof cell 1, closed chamber 7, control room 12, operating room 14Ji cable vault 19, wherein, control room 12, operating room 14Ji cable vault 19 are equipped with and seal up a door 16; In closed chamber 7, be filled with nitrogen 9(N
2), in closed chamber 7, be separately installed with protection module 6 and isolating switch 4, protection module 6 is provided with three insulation booths 10, on each insulation booth 10, be respectively equipped with two sleeve pipe 30(and refer to Fig. 5), isolating switch 4 is provided with three insulating cover 23(and refers to Fig. 2), on each insulating cover 23, be separately installed with input terminal 21 and lead-out terminal 28; Instrument 11 is installed in control room 12, is separately installed with operating mechanism 13 and isolator operating mechanism 15 in operating room 14, operating mechanism 13 and isolator operating mechanism 15 are respectively to coordinate installation with protection module 6 and isolating switch 4 in closed chamber 7; The present embodiment is provided with six insulating sleeves 18 in cable vault 19, one end of each insulating sleeve 18 is circumscribed with cable 17, the other end of each insulating sleeve 18 is to extend to be arranged in closed chamber 7, and adopts busbar 3 to be connected with the input of protection module 6 and the output of isolating switch 4 respectively; Particularly: on the dividing plate between closed chamber 7 and explosion-proof cell 1, explosion-proof valve 2 is installed; On two sleeve pipes 30 on protection module 6 each insulation booth 10, be equipped with butterfly shirt rim 31(and refer to Fig. 5); On the shell wall of isolating switch 4 each insulating cover 23, be respectively equipped with two rib looped networks 22 and an earth terminal 25(refers to Fig. 2, Fig. 3), the input terminal 21 on isolating switch 4 each insulating cover 23 and lead-out terminal 28 are in two rib looped networks 22 that are arranged on respectively on each insulating cover 23; Isolator operating mechanism 15 is provided with operation rotating shaft 37, location-plate 34 and latch 41(and refers to Fig. 6, Fig. 7, Fig. 8), location-plate 34 is provided with three location holes 35, when the operation rotating shaft 37 in isolator operating mechanism 15 is in one of them position, three installation sites, latch 41 is to be inserted on location-plate 34 three location holes 35 wherein in corresponding location hole 35; One end of insulating sleeve 18 is to be bend pipe structure (referring to Fig. 9), and insulating sleeve 18 is that the one end of constructing with bend pipe is arranged in closed chamber 7.
Between the output of the protection module 6 described in the present embodiment and the input of isolating switch 4, be to adopt the soft busbar 5 that connects to connect.
Isolating switch 4 described in the present embodiment forms (referring to Fig. 2, Fig. 3, Fig. 4) by deciliter blade 20, input terminal 21, insulating cover 23, rotating shaft 24, earth terminal 25, limiting plate 26, support 27 and lead-out terminal 28, rotating shaft 24 is mounted in the inner side of support 27, three insulating covers 23 are to be sleeved in rotating shaft 24, three deciliters blades 20 are to be arranged in three corresponding insulating covers 23, and three deciliters blades 20 are to adopt screw and rotating shaft 24 to form to install; Two rib looped networks 22 are to be located at respectively on the shell wall up and down of each insulating cover 23, and earth terminal 25 is provided in a side of on the front side shell wall of each insulating cover 23, and input terminal 21, lead-out terminal 28 and earth terminal 25 are to extend to be arranged in the shell wall of each insulating cover 23; Two limiting plates 26 are mounted in the two ends of rotating shaft 24, on every limiting plate 26, be equipped with two ribs 29, when rotating shaft 24 and three deciliters blades 20 are in two limit installation sites, two ribs 29 on every limiting plate 26 are to contact with the base plate of support 27 respectively.
Isolator operating mechanism 15 described in the present embodiment is by bearing support 32, locating piece 33, cam limiting plate 34, operation rotating shaft 37, axle sleeve 38, post rod mechanism 40, latch 41, tensioning spring 42 and handle 43 compositions (refer to Fig. 6, Fig. 7, Fig. 8), one end of operation rotating shaft 37 is provided with wedge-shaped slot 36, operation rotating shaft 37 is to adopt two axle sleeves 38 to be arranged on bearing support 32, cam limiting plate 34 is to adopt locking key to be arranged in operation rotating shaft 37, three location holes 35 and two backing pins 39 are provided in a side of on the plate face of cam limiting plate 34, two locating pieces 33 are to be arranged in bearing support 32 to be positioned at the operation both sides up and down of rotating shaft 37 and a side of cam limiting plate 34, post rod mechanism 40 is mounted in the below that bearing support 32 is positioned at cam limiting plate 34 outlines, latch 41 is mounted in bearing support 32 and is positioned at the operation rear side of rotating shaft 37 and a side of cam limiting plate 34, handle 43 is mounted in the outer end of latch 41, tensioning spring 42 is to be sleeved on latch 41, one end of tensioning spring 42 is to contact with the support plate of bearing support 32, the other end of tensioning spring 42 is to contact with the back-up ring being fixed on latch 41, described isolator operating mechanism 15 is to operate rotating shaft 37 to be connected with rotating shaft 24 formations in isolating switch 4 with one end of wedge-shaped slot 36, when the operation rotating shaft 37 in described isolator operating mechanism 15 and cam limiting plate 34 are in two limit installation sites, two backing pins 39 on cam limiting plate 34 are to contact with two locating pieces 33 on bearing support 32 respectively.
Insulating sleeve 18 described in the present embodiment forms (referring to Fig. 9) by sleeve pipe 44 and electric conductor 45, the two ends of electric conductor 45 are respectively equipped with two connecting holes 47, electric conductor 45 is mounted in sleeve pipe 44, sleeve pipe 44 is provided with connecting plate 46, and one end that sleeve pipe 44 is positioned at bend pipe structure is provided with butterfly shirt rim 48.
Claims (4)
1. an explosion-proof type insulating gas loop-network switch cabinet, it is provided with cabinet, and cabinet is to adopt dividing plate to form respectively to have explosion-proof cell, closed chamber, control room, operating room and cable vault, and wherein, control room, operating room and cable vault are equipped with and seal up a door; In closed chamber, be filled with nitrogen, in closed chamber, be separately installed with protection module and isolating switch, protection module is provided with three insulation booths, is respectively equipped with two sleeve pipes on each insulation booth, isolating switch is provided with three insulating covers, is separately installed with input terminal and lead-out terminal on each insulating cover; Instrument is installed in control room, is separately installed with operating mechanism and isolator operating mechanism in operating room, operating mechanism and isolator operating mechanism are respectively to coordinate installation with protection module and isolating switch in closed chamber; Several insulating sleeves are installed in cable vault, and one end of each insulating sleeve is circumscribed with cable, and the other end of each insulating sleeve is to extend to be arranged in closed chamber, and adopts busbar to be connected with the input of protection module and the output of isolating switch respectively; It is characterized in that: on the dividing plate between closed chamber and explosion-proof cell, explosion-proof valve is installed; On two sleeve pipes on each insulation booth of protection module, be equipped with butterfly shirt rim; On the shell wall of each insulating cover of isolating switch, be respectively equipped with two rib looped networks and an earth terminal, the input terminal on each insulating cover of isolating switch and lead-out terminal are in two rib looped networks that are arranged on respectively on each insulating cover; Isolator operating mechanism is provided with operation rotating shaft, location-plate and latch, location-plate is provided with three location holes, when the operation rotating shaft in isolator operating mechanism is in one of them position, three installation sites, latch is to be inserted on location-plate three location holes wherein in corresponding location hole; One end of insulating sleeve is to be bend pipe structure, and insulating sleeve is that the one end of constructing with bend pipe is arranged in closed chamber; Described isolating switch is comprised of a deciliter blade, input terminal, insulating cover, rotating shaft, earth terminal, limiting plate, support and lead-out terminal, rotating shaft is mounted in the inner side of support, three insulating covers are to be sleeved in rotating shaft, three deciliters blades are to be arranged in three corresponding insulating covers, and three deciliters blades are to adopt screw and rotating shaft to form to install; Two rib looped networks are to be located at respectively on the shell wall up and down of each insulating cover, and earth terminal is provided in a side of on the front side shell wall of each insulating cover, and input terminal, lead-out terminal and earth terminal are to extend to be arranged in the shell wall of each insulating cover; Two limiting plates are mounted in the two ends of rotating shaft, are equipped with two ribs on every limiting plate, and when rotating shaft and three deciliters blades are in two limit installation sites, two ribs on every limiting plate are to contact with the base plate of support respectively.
2. a kind of explosion-proof type insulating gas loop-network switch cabinet according to claim 1, is characterized in that: between the output of described protection module and the input of isolating switch, be to adopt the soft busbar that connects to connect.
3. a kind of explosion-proof type insulating gas loop-network switch cabinet according to claim 1, it is characterized in that: described isolator operating mechanism is by bearing support, locating piece, cam limiting plate, operation rotating shaft, axle sleeve, post rod mechanism, latch, tensioning spring and handle form, one end of operation rotating shaft is provided with wedge-shaped slot, operation rotating shaft is to adopt two axle sleeves to be arranged on bearing support, cam limiting plate is to adopt locking key to be arranged in operation rotating shaft, three location holes and two backing pins are provided in a side of on the plate face of cam limiting plate, two locating pieces are to be arranged in bearing support to be positioned at the operation both sides up and down of rotating shaft and a side of cam limiting plate, post rod mechanism is mounted in the below that bearing support is positioned at cam limiting plate outline, latch is mounted in bearing support and is positioned at the operation rear side of rotating shaft and a side of cam limiting plate, handle is mounted in the outer end of latch, tensioning spring is to be sleeved on latch, one end of tensioning spring is to contact with the support plate of bearing support, the other end of tensioning spring is to contact with the back-up ring being fixed on latch, described isolator operating mechanism is to operate rotating shaft to be connected with the rotating shaft formation in isolating switch with one end of wedge-shaped slot, when the operation rotating shaft in described isolator operating mechanism and cam limiting plate are in two limit installation sites, two backing pins on cam limiting plate are to contact with two locating pieces on bearing support respectively.
4. a kind of explosion-proof type insulating gas loop-network switch cabinet according to claim 1, it is characterized in that: described insulating sleeve is comprised of sleeve pipe and electric conductor, the two ends of electric conductor are respectively equipped with two connecting holes, electric conductor is mounted in sleeve pipe, sleeve pipe is provided with connecting plate, and one end that sleeve pipe is positioned at bend pipe structure is provided with butterfly shirt rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210259054.0A CN102761074B (en) | 2012-07-25 | 2012-07-25 | Anti-explosive type insulating gas looped network switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210259054.0A CN102761074B (en) | 2012-07-25 | 2012-07-25 | Anti-explosive type insulating gas looped network switch cabinet |
Publications (2)
| Publication Number | Publication Date |
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| CN102761074A CN102761074A (en) | 2012-10-31 |
| CN102761074B true CN102761074B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210259054.0A Active CN102761074B (en) | 2012-07-25 | 2012-07-25 | Anti-explosive type insulating gas looped network switch cabinet |
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| CN (1) | CN102761074B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914639B (en) * | 2016-06-14 | 2018-01-05 | 河北箱变电器有限公司 | A kind of solid insulation ring main unit |
| CN116148514B (en) * | 2023-04-23 | 2023-06-30 | 江苏盛德电子仪表有限公司 | Explosion-proof electric energy meter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118136Y (en) * | 2007-11-01 | 2008-09-17 | 天水长城开关厂有限公司 | Stationary type metal closed electrical distribution switch cabinet |
| CN201877340U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Isolating switch control device of switch cabinet |
| CN202712736U (en) * | 2012-07-25 | 2013-01-30 | 湖北网安科技有限公司 | Anti-explosion type insulating gas looped network switch cabinet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005304200A (en) * | 2004-04-13 | 2005-10-27 | Nissin Electric Co Ltd | Gas insulated switchgear |
| WO2010111808A1 (en) * | 2009-04-03 | 2010-10-07 | Abb Technology Ltd. | Bushing for connecting gas insulated switchgear with air insulated switchgear |
-
2012
- 2012-07-25 CN CN201210259054.0A patent/CN102761074B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118136Y (en) * | 2007-11-01 | 2008-09-17 | 天水长城开关厂有限公司 | Stationary type metal closed electrical distribution switch cabinet |
| CN201877340U (en) * | 2010-12-10 | 2011-06-22 | 福州天一同益电气有限公司 | Isolating switch control device of switch cabinet |
| CN202712736U (en) * | 2012-07-25 | 2013-01-30 | 湖北网安科技有限公司 | Anti-explosion type insulating gas looped network switch cabinet |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-304200A 2005.10.27 * |
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| CN102761074A (en) | 2012-10-31 |
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Denomination of invention: Anti-explosive type insulating gas looped network switch cabinet Effective date of registration: 20180913 Granted publication date: 20141105 Pledgee: CITIC Bank Limited by Share Ltd. Huangshi branch Pledgor: HUBEI WANGAN TECHNOLOGY Co.,Ltd. Registration number: 2018420000048 |
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Granted publication date: 20141105 Pledgee: CITIC Bank Limited by Share Ltd. Huangshi branch Pledgor: HUBEI WANGAN TECHNOLOGY Co.,Ltd. Registration number: 2018420000048 |