CN108574224A - A kind of indoor armored AC metal closed switch cabinet - Google Patents
A kind of indoor armored AC metal closed switch cabinet Download PDFInfo
- Publication number
- CN108574224A CN108574224A CN201711300999.1A CN201711300999A CN108574224A CN 108574224 A CN108574224 A CN 108574224A CN 201711300999 A CN201711300999 A CN 201711300999A CN 108574224 A CN108574224 A CN 108574224A
- Authority
- CN
- China
- Prior art keywords
- room
- circuit breaker
- bus
- breaker cart
- contact head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000007689 inspection Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of indoor armored AC metal closed switch cabinets, including shell, it is provided with pressure relief device at the top of the shell, circuit breaker cart room, bus-bar room, cable vault and relay control room are divided on the inside of the shell, it is provided with heating device in the circuit breaker cart room, the side of the heating device is provided with circuit breaker cart, the side of the circuit breaker cart is provided with withdrawable horizontal baffle, it is equipped with stationary contact head cartridge in the bus-bar room, static contact head device is provided on the stationary contact head cartridge.The indoor armored AC metal closed switch cabinet of the present invention; the effects that for playing break-make, control or protection in electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption; various handcarts are all made of worm screw and shake propulsion and exit; it operates light, flexible; entire handcart is small; inspection and maintenance is convenient, and there are device in place in handcart testing position and operating position in cabinet, to ensure that mechanical interlocking is reliable.
Description
Technical field
The present invention relates to switchgear technical field, specially a kind of indoor armored AC metal closed switch cabinet.
Background technology
Switchgear（switch cabinet）It is a kind of electrical equipment, the main function of switchgear is carried out in electric system
During power generation, transmission of electricity, distribution and electric energy are converted, electrical equipment is opened and closed, controlled and is protected, the component master in switchgear
It is made of, is primarily adapted for use in breaker, disconnecting switch, on-load switch, operating mechanism, mutual inductor and various protective devices etc.
Power plant, substation, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and residential quarters, skyscraper etc. are various not
Same occasion, existing switchgear inspection and maintenance is inconvenient, and operates not light.
Invention content
The purpose of the present invention is to provide a kind of indoor armored AC metal closed switch cabinets, and operation is light and flexible,
Inspection and maintenance is convenient, solves the problems of the prior art.
To achieve the above object, the present invention provides the following technical solutions：A kind of AC metal closed switch of indoor armored
Cabinet, including shell are provided with pressure relief device at the top of the shell, circuit breaker cart room, mother are divided on the inside of the shell
Line room, cable vault and relay control room are provided with heating device, the side of the heating device in the circuit breaker cart room
It is provided with circuit breaker cart, the side of the circuit breaker cart is provided with withdrawable horizontal baffle, is equipped in the bus-bar room
Stationary contact head cartridge is provided with static contact head device on the stationary contact head cartridge, the small busbar of branch is connected on the static contact head device, described
The small busbar of branch is connected with main bus-bar, and the main bus-bar is mounted on bus casing, and earthing switch is additionally provided in the bus-bar room,
The earthing switch is connected on earthing switch operating mechanism, and the side of the earthing switch is provided with cable, the cable position
In in cable vault, being provided with bottom plate on cable vault's bottom inside wall, the bottom plate is equipped with earthing main bus, the cable
Side be provided with current transformer, the lower section of the current transformer is equipped with lightning rod, and the side of the lightning rod is equipped with control
Make small wire casing.
Preferably, the circuit breaker cart room is separated with bus-bar room by loading and unloading type partition board, is set on the loading and unloading type partition board
There is partition board.
Preferably, the shell is assembled through the multiple bending and forming of machine tooling using bolt by covering aluminium zinc steel plate.
Preferably, the circuit breaker cart is connected with secondary plug by nylon corrugated tube.
Compared with prior art, beneficial effects of the present invention are as follows：
The indoor armored AC metal closed switch cabinet of the present invention, converted for electric system power generation, transmission of electricity, distribution, electric energy and
The effects that break-make, control or protection are played in consumption, various handcarts are all made of worm screw and shake propulsion and exit, and operation is light, flexible,
Entire handcart is small, and inspection and maintenance is convenient, and there are device in place in handcart testing position and operating position in cabinet, to protect
It is reliable to demonstrate,prove mechanical interlocking.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1 shell, the small busbar of 2 branches, 3 bus casings, 4 main bus-bars, 5 static contact head devices, 6 stationary contact head cartridges, 7 electric currents
Mutual inductor, 8 earthing switches, 9 cables, 10 lightning rods, 11 earthing main bus, 12 loading and unloading type partition boards, 13 partition boards, 14 secondary plugs,
15 circuit breaker carts, 16 heating devices, 17 withdrawable horizontal baffles, 18 earthing switch operating mechanisms, 19 bottom plates, 20 pressure releases dress
Set, 21 circuit breaker cart rooms, 22 bus-bar rooms, 23 cable vaults, 24 relay control rooms, the 25 small wire casings of control.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of indoor armored AC metal closed switch cabinet, including shell 1, shell 1 is by covering aluminium zinc steel
Plate is assembled through the multiple bending and forming of machine tooling using bolt, is had very high mechanical strength, is effectively guaranteed switch
Cabinet it is neat and beautiful, cabinet door is coated using plastic-spraying, has stronger shock resistance and corrosion resistance, switch board housing has
IP4X grades of degree of protection, cabinet use modular construction, are formed with rivet joint, and the processing period is short, universal component
Property it is strong, floor space is small, is produced convenient for tissue, and the top of shell 1 is provided with pressure relief device 20, in circuit breaker cart room 21, female
The top of line room 22 and cable vault 23 is equipped with pressure relief device 20, when Internal faults arc occurs, with the generation of electric arc, opens
It closes cabinet air pressure inside to increase, the special sealing circle being installed on door before cabinet being closed, the pressure release metallic plate of top equipment
It will be automatically switched on, release stress and vented gasses, to ensure that the safety of operating personnel and switchgear, the inside of shell 1 divide
For circuit breaker cart room 21, bus-bar room 22, cable vault 23 and relay control room 24, relay can be installed in relay control room 24
Protection element, instrument, charged display device and other secondary devices, control line are laid in wire casing, left side wire casing be for
The extraction for controlling small line is reserved, and there is a metal raceway isolation in when control line crossing high-pressure room, cabinet be divided into circuit breaker cart room 21,
Bus-bar room 22, the individual compartment in cable vault 23 and 24 4, relay control room, it is anti-between each cell and when circuit breaker chamber door is opened
Shield grade is IP2X, and in addition to relay control room 24, other three compartments have separate pressure release passage, as a result of in
Formula structure is set, 23 position of cable vault greatly increases, and either selects which kind of breaker, bare conductor air insulation distance that can protect
Card is more than 125mm, and compound inslation is more than 60mm, and breaker all has the long-life, and high parameter is few to safeguard, small uniqueness
Advantage, circuit breaker cart room 21 are separated with bus-bar room 22 by loading and unloading type partition board 12, and loading and unloading type partition board 12 is equipped with partition board 13, are broken
Heating device 16 is provided in road device handcart room 21,21 both sides of circuit breaker cart room are mounted with track, for handcart by dividing in cabinet
It is moved to operating position from/testing position, stationary contact head cartridge 6 and partition board 13 are mounted on the rear wall of circuit breaker cart room 21, work as hand
During separation/testing position is moved to operating position, upper and lower valve automatically opens vehicle with handcart linkage, when negative direction moves
Partition board 13 is automatically closed when dynamic, until handcart retreats to certain position and covers all stationary contact head cartridge 6, formation is effectively isolated, by
It does not link in upper and lower valve, in maintenance, lockable charges side valve, ensures that repair and maintenance personnel do not touch electrical body, disconnected
When road device room door is closed, handcart can equally be operated, and by middle door observation window, can observe handcart present position in compartment, close,
Separating brake and energy storage situation, main bus-bar 4 are that every splicing is cut through connection, main bus-bar 4 and interbus for rectangle between each cabinet
The copper bar in face is combined into when for high current load using double joint busbar, and branch bus is bolted to stationary contact head cartridge 6 and main mother
Between line 4, for special requirement, busbar can use heat-shrinkable T bush, insulation sleeve to cover, adjacent cabinet busbar compartment wall bushing point
Every when such as there is Internal faults arc, capable of preventing it from running through, effectively accident be limited in compartment without climing to other cabinets
Prolong, the side of heating device 16 is provided with circuit breaker cart 15, and circuit breaker cart 15 is connected with secondary-plug by nylon corrugated tube
First 14, various handcarts are all made of worm screw and shake propulsion and exit, and operation is light, flexible, and entire handcart is small, check and tie up
It repaiies conveniently, there are device in place in handcart testing position and operating position in cabinet, to ensure that mechanical interlocking is reliable, breaker hand
15 skeleton of vehicle is assembled using sheet metal after numerically-controlled machine tool is processed, and handcart is accurate, mobile flexible with cabinet cooperation, machinery connection
Lock safe and reliable, the connection of the secondary line of switchgear and the secondary line of circuit breaker cart 15 is by manual secondary plug connector
Come what is realized, secondary plug 14 is connected by nylon corrugated tube with circuit breaker cart 15, and Secondary socket is installed in switch cabinet handcart
Secondary plug 14, breaker just can be plugged and be extracted to the upper right side of room, circuit breaker cart 15 only in separation/testing position,
When handcart 15 is in operating position, secondary plug 14 is locked, cannot extract, when added with dead electricity blocking coil, breaker hand
By locked with electromagnet, circuit breaker cart 15 is only capable of being divided manually the switching-on mechanism of vehicle 15 before secondary plug 14 is not powered on
Lock, and closing by hand cannot be carried out, the side of circuit breaker cart 15 is provided with withdrawable horizontal baffle 17, is set in bus-bar room 22
There is stationary contact head cartridge 6, static contact head device 5 is provided on stationary contact head cartridge 6, the small busbar 2 of branch, branch are connected on static contact head device 5
Small busbar 2 is connected with main bus-bar 4, and main bus-bar 4 is mounted on bus casing 3, and earthing switch 8 is additionally provided in bus-bar room 22, is switched
The main switch of cabinet can configure the VD4 type vacuum circuit breakers of ABB AB's production, the fixed on-load switch of C3 series, while can also match
Set a variety of domestic serial vacuum circuit breakers（Such as VS1, VH1, VK, ZN28）, to replace same kind of products at abroad, earthing switch 8 to connect
On earthing switch operating mechanism 18, the side of earthing switch 8 is provided with cable 9, and cable 9 is located in cable vault 23, switchgear
Using middle, thus 23 space of cable vault is larger, and current transformer 7, earthing switch 8 and lightning rod 10 can be installed in compartment,
Per mutually can and connect 1~3 single-core cable in cable vault 23, when necessary per mutually can and connect 6 single-core cables, cable compartment bottom is matched
The detachable sealing plate to crack to be made, bottom plate 19 is provided on 23 bottom inside wall of cable vault, bottom plate 19 is equipped with earthing main bus 11,
The side of cable 9 is provided with current transformer 7, and the lower section of current transformer 7 is equipped with lightning rod 10, and the side of lightning rod 10 is equipped with
Control small wire casing 25, the indoor armored AC metal closed switch cabinet of the present invention, for electric system power generation, transmission of electricity, distribution, electricity
The effects that capable of converting and be risen in consuming break-make, control or protection, various handcarts are all made of worm screw and shake propulsion and exit, and operation is light
Just, flexibly, entire handcart is small, and inspection and maintenance is convenient, and handcart testing position and operating position in cabinet have in place
Device, to ensure that mechanical interlocking is reliable.
In summary：The indoor armored AC metal closed switch cabinet of the present invention, generates electricity for electric system, transmits electricity, matches
The effects that playing break-make, control or protection in electricity, electric energy conversion and consumption, various handcarts are all made of worm screw shake and promote and exit,
Operate light, flexible, entire handcart is small, and inspection and maintenance is convenient, and testing position and operating position be all in cabinet for handcart
There is device in place, to ensure that mechanical interlocking is reliable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of indoor armored AC metal closed switch cabinet, including shell（1）, it is characterised in that：The shell（1）Top
Portion is provided with pressure relief device（20）, the shell（1）Inside be divided into circuit breaker cart room（21）, bus-bar room（22）, cable
Room（23）With relay control room（24）, the circuit breaker cart room（21）Inside it is provided with heating device（16）, the heating dress
It sets（16）Side be provided with circuit breaker cart（15）, the circuit breaker cart（15）Side be provided with it is withdrawable it is horizontal every
Plate（17）, the bus-bar room（22）It is interior to be equipped with stationary contact head cartridge（6）, the stationary contact head cartridge（6）On be provided with static contact head device（5）,
The static contact head device（5）On be connected with the small busbar of branch（2）, the small busbar of branch（2）It is connected with main bus-bar（4）, described
Main bus-bar（4）Mounted on bus casing（3）On, the bus-bar room（22）Inside it is additionally provided with earthing switch（8）, the earthing switch
（8）It is connected to earthing switch operating mechanism（18）On, the earthing switch（8）Side be provided with cable（9）, the cable
（9）Positioned at cable vault（23）It is interior, the cable vault（23）It is provided with bottom plate on bottom inside wall（19）, the bottom plate（19）On set
There is earthing main bus（11）, the cable（9）Side be provided with current transformer（7）, the current transformer（7）Lower section
Equipped with lightning rod（10）, the lightning rod（10）Side be equipped with and control small wire casing（25）.
2. a kind of indoor armored AC metal closed switch cabinet according to claim 1, it is characterised in that：The open circuit
Device handcart room（21）With bus-bar room（22）Pass through loading and unloading type partition board（12）It separates, the loading and unloading type partition board（12）It is equipped with partition board
（13）.
3. a kind of indoor armored AC metal closed switch cabinet according to claim 1, it is characterised in that：The shell
（1）Assembled using bolt through the multiple bending and forming of machine tooling by covering aluminium zinc steel plate.
4. a kind of indoor armored AC metal closed switch cabinet according to claim 1, it is characterised in that：The open circuit
Device handcart（15）It is connected with secondary plug by nylon corrugated tube（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300999.1A CN108574224A (en) | 2017-12-10 | 2017-12-10 | A kind of indoor armored AC metal closed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300999.1A CN108574224A (en) | 2017-12-10 | 2017-12-10 | A kind of indoor armored AC metal closed switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108574224A true CN108574224A (en) | 2018-09-25 |
Family
ID=63576642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711300999.1A Pending CN108574224A (en) | 2017-12-10 | 2017-12-10 | A kind of indoor armored AC metal closed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108574224A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103776A (en) * | 2018-10-29 | 2018-12-28 | 镇江上电电气有限公司 | A kind of packet type switch cabinet |
| CN113196602A (en) * | 2018-12-19 | 2021-07-30 | Abb瑞士股份有限公司 | Three-phase switchgear using single-phase devices in a single enclosure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008080288A1 (en) * | 2006-12-30 | 2008-07-10 | Yongbo Zhu | A full-insulative waterproof switch cabinet |
| CN201699343U (en) * | 2010-06-13 | 2011-01-05 | 中煤电气有限公司 | Indoor metal armouring draw-out switchgear |
| CN102738726A (en) * | 2012-07-17 | 2012-10-17 | 遵义长征电器设备有限责任公司 | Indoor high-voltage switch cabinet |
| CN205377147U (en) * | 2016-02-23 | 2016-07-06 | 宁波天仑电气有限公司 | Put formula of puing aside switchgear among indoor interchange metal armor |
| CN207530421U (en) * | 2017-12-10 | 2018-06-22 | 人民电器集团上海有限公司 | A kind of indoor armored AC metal closed switch cabinet |
-
2017
- 2017-12-10 CN CN201711300999.1A patent/CN108574224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008080288A1 (en) * | 2006-12-30 | 2008-07-10 | Yongbo Zhu | A full-insulative waterproof switch cabinet |
| CN201699343U (en) * | 2010-06-13 | 2011-01-05 | 中煤电气有限公司 | Indoor metal armouring draw-out switchgear |
| CN102738726A (en) * | 2012-07-17 | 2012-10-17 | 遵义长征电器设备有限责任公司 | Indoor high-voltage switch cabinet |
| CN205377147U (en) * | 2016-02-23 | 2016-07-06 | 宁波天仑电气有限公司 | Put formula of puing aside switchgear among indoor interchange metal armor |
| CN207530421U (en) * | 2017-12-10 | 2018-06-22 | 人民电器集团上海有限公司 | A kind of indoor armored AC metal closed switch cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103776A (en) * | 2018-10-29 | 2018-12-28 | 镇江上电电气有限公司 | A kind of packet type switch cabinet |
| CN113196602A (en) * | 2018-12-19 | 2021-07-30 | Abb瑞士股份有限公司 | Three-phase switchgear using single-phase devices in a single enclosure |
| CN113196602B (en) * | 2018-12-19 | 2023-12-29 | Abb瑞士股份有限公司 | Three-phase switching device using single-phase device in single housing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202084825U (en) | Indoor high-voltage switch cabinet | |
| CN203504044U (en) | Armoured central-positioned switch cabinet | |
| CN102738726A (en) | Indoor high-voltage switch cabinet | |
| CN202026018U (en) | Handcart interlocking centrally-installed switch cabinet | |
| CN101345398A (en) | Central-positioned switch cabinet | |
| CN2836283Y (en) | Armored central enclosed AC metal switch apparatus | |
| CN106159787A (en) | A kind of closed gas insulated switch cabinet | |
| CN103872610A (en) | Metal armored intermediate withdrawable switch cabinet | |
| CN205377147U (en) | Put formula of puing aside switchgear among indoor interchange metal armor | |
| CN207530421U (en) | A kind of indoor armored AC metal closed switch cabinet | |
| CN201877691U (en) | Switch cabinet | |
| CN203553648U (en) | High-voltage switch cabinet | |
| CN108574224A (en) | A kind of indoor armored AC metal closed switch cabinet | |
| CN205670647U (en) | A kind of KYN 40.5kV Intelligent high voltage switch cabinet | |
| CN204517258U (en) | A kind of novel high-pressure ac metal closing switch gear | |
| CN204517256U (en) | A kind of metal armouring middle disposed withdrawn type switchgear | |
| CN106159777A (en) | A kind of shelter-clad removal switch cabinet | |
| CN202737372U (en) | Indoor high voltage switch cabinet | |
| CN204793799U (en) | In put formula cubical switchboard | |
| CN203747282U (en) | Armored moved type AC metal enclosed switchgear | |
| CN204258132U (en) | The AC metal closed armored type switch cubicle of withdraw-type with pressure relief device | |
| CN204633201U (en) | A kind of totally-enclosed all insulation compact Inflatable ring main unit | |
| CN106159776A (en) | A kind of HMS12 shelter-clad removal switch cabinet | |
| CN201142296Y (en) | Indoor amour fixing type metal closed switch apparatus | |
| CN201243170Y (en) | Central-positioned switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180925 |