CN108462091A - Intelligent rotary isolated vacuum load switch ring main unit - Google Patents
Intelligent rotary isolated vacuum load switch ring main unit Download PDFInfo
- Publication number
- CN108462091A CN108462091A CN201810281912.9A CN201810281912A CN108462091A CN 108462091 A CN108462091 A CN 108462091A CN 201810281912 A CN201810281912 A CN 201810281912A CN 108462091 A CN108462091 A CN 108462091A
- Authority
- CN
- China
- Prior art keywords
- fixed
- plate
- groove
- pedestal
- support insulator
- 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.)
- Withdrawn
Links
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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention proposes a kind of intelligent rotary isolated vacuum load switch ring main unit, including cabinet, disconnecting switch is equipped in cabinet, several cavitys are divided by horizontal splitter plate and vertical separating plate below disconnecting switch, are used for mounting related components, disconnecting switch, including pedestal, pedestal side is equipped with several first support insulators, and the other side of pedestal is equipped with several second support insulators, and the second support insulator of the first support insulator corresponding thereto is staggered；The connecting pin of first support insulator is equipped with static contact, and contact knife one end is rotatably fixed on the connecting pin of the second support insulator, and the other end plug-in type of contact knife is connected with static contact to realize connection, and stability of the present invention is good, and safety is good.
Description
Technical field
The present invention relates to a kind of ring main unit more particularly to a kind of intelligent rotary isolated vacuum load switch ring main units.
Background technology
China topography Xi Gaodong is low, and mountainous region accounts for about 33%, and high altitude localities accounts for about 26%, Qinghai-Tibet mean sea level
4000m or more, to the north of and to the east of immense plateau and basin be mostly height above sea level 1000m to 2000m, high altitude localities weather is complicated
It is various, when invaded by humidity, condensation, salt fog and typhoon, in addition after development of the West Regions, increasingly flourishing industry and friendship
Lead to, power network switch equipment is also made easily to generate filthy and corrode, the conventional air insulated switching installation used on power distribution network, by
The limitation of this environmental condition has been unable to meet requirement, starts progressive updating and regenerates.
Disconnecting switch ring main unit can adapt to most of environment, is used by various large-scale power stations, keeps apart cyclization
Net cabinet includes disconnecting switch ring main unit ontology, has been bolted cabinet plate on disconnecting switch ring main unit ontology, has worked as disconnecting switch
It when ring main unit internal element needs repairing, needs to back-out bolt and removes cabinet plate, still, back-out bolt rear bolt and be easy to fall,
It is not easy to find out after such as falling on disconnecting switch ring main unit bottom, and since there may be high pressure, metal objects for disconnecting switch ring main unit
There are security risks after product are fallen into.
At the same time, disconnecting switch is one of important composition component of ring main unit.Just at present, outdoor high-voltage direct current every
Mostly collapsible from construction of switch, collapsible direct-current isolating switch can generate insulator larger cross force when closing a floodgate, absolutely
It will produce larger offset at the top of edge, and then influence the reliability and stability that direct-current isolating switch closes a floodgate.
Invention content
The present invention proposes a kind of intelligent rotary isolated vacuum load switch ring main unit, stability regarding to the issue above
Good, safety is good.
Specific technical solution is as follows：
Intelligent rotary isolated vacuum load switch ring main unit, including cabinet, cabinet is interior to be equipped with disconnecting switch, keeps apart
It closes lower section and several cavitys is divided by horizontal splitter plate and vertical separating plate, be used for mounting related components；
Be symmetrically provided with an inserting groove on two madial walls of cabinet, inserting groove by grafting opening with it is interior in vivo
It is connected；The both sides of horizontal splitter plate are respectively perpendicular upward setting, and there are one inserting terminals, and inserting terminal is through grafting opening insertion
In inserting groove, horizontal splitter plate bottom is set there are two locating slot, and vertical separating plate one end is fixed on bottom of cabinet bulk, other end support
It is fixed in the locating slot of horizontal splitter plate；
Vertical separating plate includes upper demarcation strip and lower demarcation strip, and the guide groove of opening upwards is equipped in lower demarcation strip, upper to divide
Partition board is movably disposed in guide groove, and what lower demarcation strip was connected with bottom of cabinet bulk set, and there are one the first groove and two the
Two grooves, the second groove are symmetrically arranged in the both sides of the first groove, the bottom of upper demarcation strip set there are two with the second groove phase
The bottom of corresponding second guide rod, the second guide rod is movably disposed in the second groove, recessed with first on upper demarcation strip
Slot is corresponding to be equipped with the first guide rod, and the bottom of the first guide rod is movably disposed in the first groove, the first guide rod
Outer wall be equipped with external screw thread, the outside for being linked in the first guide rod of internal thread lantern ring screw-thread fit, internal thread lantern ring can turn
Between the guiding cell wall of dynamic lower demarcation strip, rotation internal thread lantern ring can realize that demarcation strip moves in the vertical direction, to
Horizontal splitter plate is held out against and is fixed in cabinet；
Intelligent isolation switch includes pedestal, and pedestal side is equipped with several first support insulators, and the other side of pedestal is equipped with
Several second support insulators, the second support insulator of the first support insulator corresponding thereto are staggered；
Pedestal is fixed on by pedestal supporting rack in cabinet, on pedestal supporting rack vertically upward be equipped with have it is externally threaded
Mandril, mandril pass through pedestal and are locked by nut, spring are equipped with outside mandril, spring supporting is in pedestal supporting rack
Between pedestal；
The first support insulator set in a row is equipped with the first upper mounted plate, the connecting pin of each first support insulator
It is each passed through the first upper mounted plate to be positioned above, the second support insulator set in a row is equipped with the second upper mounted plate, often
The connecting pin of a second support insulator is positioned above across the second upper mounted plate, the first upper mounted plate and the second upper mounted plate
Between be fixedly connected by upper junction plate, the first upper mounted plate and the second upper mounted plate are equipped with protective cover, the first pillar
The connecting pin of insulator is equipped with static contact, and contact knife one end is rotatably fixed on the connecting pin of the second support insulator, touches
The other end plug-in type of knife is connected with static contact to realize connection；
The side that contact knife is connected with the second support insulator is arc-shaped structure, which is provided with latch, and the second pillar is exhausted
Latch on edge is meshed with first gear, and first gear is rotatably fixed on the second upper mounted plate, is set in a row
First gear is meshed with the second rack, the second rack can left and right horizontal movement be fixed on adjustable plate, the both ends of adjustable plate
It is fixed respectively by one group of regulating mechanism；
Regulating mechanism includes third guide rod and leading screw, and third guide rod passes through adjustable plate, its both ends to be separately fixed at two
In a fixed seat, leading screw is located at the top of third guide rod, and threads of lead screw cooperation passes through adjustable plate, its both ends difference rotatable
Setting in two fixed seats, the second sector gear, the second sector gear and third sector gear phase are fixed in one end of leading screw
Engagement, third sector gear are rotatably fixed on protective cover, and the first in command passes through protective cover fan-shaped with third from top to bottom
Gear is fixedly connected, and drives lead screw to rotate by rotating the first in command, to control to adjust the horizontal shifting of plate；
The center of first gear is equipped with fixed block, and fixed block is equipped with the fixed jack that section is regular pentagon structure,
Second handle is top-down to pass through protective cover is plug-type to be arranged in fixed jack, and the first tooth is rotated by second handle
Wheel.
Above-mentioned intelligent rotary isolated vacuum load switch ring main unit, wherein the lower section of the contact knife is equipped with positioning column,
Connecting plate is equipped with the arc track slot mutually agreed with positioning column, and positioning column is movably disposed in track groove.
Above-mentioned intelligent rotary isolated vacuum load switch ring main unit, wherein the end of the track groove is equipped with circle
Bulb, bulb is opposite with the junction of track groove to be set there are two limited block, and the section of limited block is isosceles triangle
Structure, cushion chamber is equipped in limited block, and bulb is used for stationary positioned column.
Above-mentioned intelligent rotary isolated vacuum load switch ring main unit, wherein first support insulator and second
Two group of first full skirt group and the second full skirt group are alternately equipped on support insulator, the first full skirt group includes two the first umbrellas
Skirt, the second full skirt group include three the second full skirts, and the height of the second full skirt is twice of the height of the first full skirt, the first full skirt
Bottom thickness is identical as the bottom thickness of the second full skirt.
Beneficial effects of the present invention are：
The disconnecting switch of the present invention controls the folding of disconnecting switch by the direction of rotation, and linkage open and close
It can carry out individually operated；
If you need to combined operation, then adjustable plate is moved by regulating mechanism, so that the second rack is meshed with first gear, pass through
The rotation of second handle, which drives wherein any one first gear rotation and interlocks with the rotation to controlling all contact knifes, carries out folding behaviour
Make；
If you need to individually operated, then adjustable plate is moved by regulating mechanism, so that the second rack is separated with first gear, pass through
Second handle individually controls corresponding contact knife switching action；
In conclusion the present invention, which rotates horizontally, realizes folding, at the same time, pass through horizontal splitter plate and vertical separating plate point
The space in cabinet is cut, easy to assembly, stability is good, and safety is good, reduces cost.
Description of the drawings
Fig. 1 is sectional view of the present invention.
Fig. 2 is C portion enlarged drawing in Fig. 1.
Fig. 3 is D sectional views in Fig. 1.
Fig. 4 is disconnecting switch vertical view.
Fig. 5 is disconnecting switch side view.
Fig. 6 is part A enlarged drawing in Fig. 4.
Fig. 7 is part B enlarged drawing in Fig. 4.
Fig. 8 is contact knife and fixed contact connection structure figure.
Fig. 9 is second handle upward view.
Specific implementation mode
Clear to make technical scheme of the present invention be more clear, the present invention is described further below in conjunction with the accompanying drawings,
Any technical characteristic to technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Reference numeral
Cabinet 1, disconnecting switch 2, horizontal splitter plate 3, vertical separating plate 4, inserting groove 5, grafting opening 6, inserting terminal 7,
Upper demarcation strip 8, lower demarcation strip 9, guide groove 10, the first groove 11, the second groove 12, the second guide rod 13, the first guide rod 14,
Internal thread lantern ring 15, pedestal supporting rack 16, mandril 17, nut 18, spring 19, pedestal 21, the first support insulator 22, second
Column insulator 23, the first upper mounted plate 24, the second upper mounted plate 25, protective cover 26, static contact 27, contact knife 28, latch 29, first
Gear 210, the second rack 211, adjustable plate 212, regulating mechanism 213, leading screw 214, the second sector gear 215, third sector
Wheel 216, the first in command 217, fixed block 218, second handle 219, track groove 221, bulb 222, limited block 223, the first umbrella
Skirt 224, the second full skirt 225.
A kind of intelligent rotary isolated vacuum load switch ring main unit as shown in the figure, including cabinet 1, be equipped in cabinet every
Pass 2 is left, disconnecting switch lower section is divided into several cavitys by horizontal splitter plate 3 and vertical separating plate 4, for installing first device
Part；
Be symmetrically provided with an inserting groove 5 on two madial walls of cabinet, inserting groove by grafting opening 6 with it is interior
It is connected in vivo；The both sides of horizontal splitter plate are respectively perpendicular upward setting, and there are one inserting terminals 7, and inserting terminal is open through grafting
It is inserted into inserting groove, horizontal splitter plate bottom is set there are two locating slot, and vertical separating plate one end is fixed on bottom of cabinet bulk, the other end
It is supported and fixed in the locating slot of horizontal splitter plate；
Vertical separating plate includes upper demarcation strip 8 and lower demarcation strip 9, and the guide groove 10 of opening upwards is equipped in lower demarcation strip,
Upper demarcation strip is movably disposed in guide groove, what lower demarcation strip was connected with bottom of cabinet bulk set there are one the first groove 11 and
Two the second grooves 12, the second groove are symmetrically arranged in the both sides of the first groove, and the bottom of upper demarcation strip sets that there are two with the
Corresponding second guide rod 13 of two grooves, the bottom of the second guide rod are movably disposed in the second groove, upper demarcation strip
Above corresponding with the first groove to be equipped with the first guide rod 14, the bottom of the first guide rod is movably disposed at the first groove
In, the outer wall of the first guide rod is equipped with external screw thread, the outside for being linked in the first guide rod of 15 screw-thread fit of internal thread lantern ring,
Internal thread lantern ring rotatably descends between the guiding cell wall of demarcation strip, and rotation internal thread lantern ring can realize demarcation strip in vertical side
It moves up, is fixed in cabinet to hold out against horizontal splitter plate；
Disconnecting switch includes pedestal 21, and pedestal side is equipped with several first support insulators 22, and the other side of pedestal is equipped with
Several second support insulators 23, the second support insulator of the first support insulator corresponding thereto are staggered；
Pedestal is fixed on by pedestal supporting rack 16 in cabinet, on pedestal supporting rack vertically upward be equipped with have external screw thread
Mandril 17, mandril passes through and pedestal and is locked by nut 18, spring 19 is equipped with outside mandril, spring supporting is the bottom of at
Between seat supports frame and pedestal；
The first support insulator set in a row is equipped with the first upper mounted plate 24, the connection of each first support insulator
End is each passed through the first upper mounted plate and is positioned above, and the second support insulator set in a row is equipped with the second upper mounted plate
25, the connecting pin of each second support insulator is positioned above across the second upper mounted plate, on the first upper mounted plate and second
It being fixedly connected by upper junction plate between fixed plate, the first upper mounted plate and the second upper mounted plate are equipped with protective cover 26,
The connecting pin of first support insulator is equipped with static contact 27, and 28 one end of contact knife is rotatably fixed on the second support insulator
Connecting pin on, the other end plug-in type of contact knife be connected with static contact with realize connection；
The side that contact knife is connected with the second support insulator is arc-shaped structure, which is provided with latch 29, the second pillar
Latch on insulator is meshed with first gear 210, and first gear is rotatably fixed on the second upper mounted plate, is in a row set
The first gear set is meshed with the second rack 211, the second rack can left and right horizontal movement be fixed on adjustable plate 212, adjust
The both ends of section plate are fixed by one group of regulating mechanism 213 respectively；
Regulating mechanism includes third guide rod and leading screw 214, and third guide rod passes through adjustable plate, its both ends to be separately fixed at
In two fixed seats, leading screw is located at the top of third guide rod, and threads of lead screw cooperation passes through adjustable plate, its both ends that can turn respectively
Dynamic setting is in two fixed seats, and the second sector gear 215 is fixed in one end of leading screw, and the second sector gear is fan-shaped with third
Gear 216 is meshed, and third sector gear is rotatably fixed on protective cover, and the first in command 217 passes through protection from top to bottom
Cover is fixedly connected with third sector gear, drives lead screw to rotate by rotating the first in command, to control to adjust the front and back water of plate
Translation is dynamic；
The center of first gear is equipped with fixed block 218, and fixed block is equipped with the fixation that section is regular pentagon structure and inserts
Hole, second handle 219 is top-down to pass through protective cover is plug-type to be arranged in fixed jack, passes through second handle rotation the
One gear.
The lower section of the contact knife is equipped with positioning column, and connecting plate is equipped with the arc track slot 221 mutually agreed with positioning column,
Positioning column is movably disposed in track groove.
The end of the track groove is equipped with circular bulb 222, and bulb is opposite with the junction of track groove to be equipped with
The section of two limited blocks 223, limited block is isosceles triangular structure, cushion chamber is equipped in limited block, bulb is for fixing
Positioning column.
Two group of first full skirt group and second are alternately equipped on first support insulator and the second support insulator
Full skirt group, the first full skirt group include two the first full skirts 224, and the second full skirt group includes three the second full skirts 225, the second full skirt
Height be twice of height of the first full skirt, the bottom thickness of the first full skirt is identical as the bottom thickness of the second full skirt.
The present invention controls the folding of disconnecting switch by the direction of rotation, and linkage carries out folding and can also carry out list
Solely operation；
If you need to combined operation, then adjustable plate is moved by regulating mechanism, so that the second rack is meshed with first gear, pass through
The rotation of second handle, which drives wherein any one first gear rotation and interlocks with the rotation to controlling all contact knifes, carries out folding behaviour
Make；
If you need to individually operated, then adjustable plate is moved by regulating mechanism, so that the second rack is separated with first gear, pass through
Second handle individually controls corresponding contact knife switching action.
Claims (4)
1. intelligent rotary isolated vacuum load switch ring main unit, it is characterized in that, including cabinet is equipped in cabinet and keeps apart
It closes, several cavitys is divided by horizontal splitter plate and vertical separating plate below disconnecting switch, be used for mounting related components；
An inserting groove is symmetrically provided on two madial walls of cabinet, inserting groove is open by grafting to be connected in vivo with interior
It is logical；The both sides of horizontal splitter plate are respectively perpendicular upward setting, and there are one inserting terminals, and inserting terminal is through grafting opening insertion grafting
In slot, horizontal splitter plate bottom is set there are two locating slot, and vertical separating plate one end is fixed on bottom of cabinet bulk, other end support is fixed
In the locating slot of horizontal splitter plate；
Vertical separating plate includes upper demarcation strip and lower demarcation strip, and the guide groove of opening upwards, upper demarcation strip are equipped in lower demarcation strip
It is movably disposed in guide groove, what lower demarcation strip was connected with bottom of cabinet bulk set, and there are one the first groove and two are second recessed
Slot, the second groove are symmetrically arranged in the both sides of the first groove, and the bottom of upper demarcation strip sets that there are two corresponding with the second groove
The second guide rod, the bottom of the second guide rod is movably disposed in the second groove, on upper demarcation strip with the first groove phase
Corresponding to be equipped with the first guide rod, the bottom of the first guide rod is movably disposed in the first groove, outside the first guide rod
Wall is equipped with external screw thread, and the outside for being linked in the first guide rod of internal thread lantern ring screw-thread fit, internal thread lantern ring is rotatable
Between the guiding cell wall of lower demarcation strip, rotation internal thread lantern ring can realize that demarcation strip moves in the vertical direction, thus by water
Divide partition board equally and hold out against and is fixed in cabinet；
Intelligent isolation switch includes pedestal, and pedestal side is equipped with several first support insulators, and the other side of pedestal is equipped with several
Second support insulator, the second support insulator of the first support insulator corresponding thereto are staggered；
Pedestal is fixed on by pedestal supporting rack in cabinet, on pedestal supporting rack vertically upward be equipped with have externally threaded top
Bar, mandril are passed through and pedestal and are locked by nut, are equipped with spring outside mandril, spring supporting pedestal supporting rack with
Between pedestal；
The first support insulator set in a row is equipped with the first upper mounted plate, and the connecting pin of each first support insulator is distinguished
It is positioned above across the first upper mounted plate, the second support insulator set in a row is equipped with the second upper mounted plate, Mei Ge
The connecting pin of two support insulators is positioned above across the second upper mounted plate, between the first upper mounted plate and the second upper mounted plate
It is fixedly connected by upper junction plate, the first upper mounted plate and the second upper mounted plate are equipped with protective cover, the first post insulator
The connecting pin of son is equipped with static contact, and contact knife one end is rotatably fixed on the connecting pin of the second support insulator, contact knife
Other end plug-in type is connected with static contact to realize connection；
The side that contact knife is connected with the second support insulator is arc-shaped structure, which is provided with latch, the second support insulator
On latch be meshed with first gear, first gear is rotatably fixed on the second upper mounted plate, first set in a row
Gear is meshed with the second rack, the second rack can left and right horizontal movement be fixed on adjustable plate, the both ends of adjustable plate difference
It is fixed by one group of regulating mechanism；
Regulating mechanism includes third guide rod and leading screw, and third guide rod passes through adjustable plate, its both ends to be separately fixed at two admittedly
In reservation, leading screw is located at the top of third guide rod, and threads of lead screw cooperation passes through adjustable plate, its both ends rotatably to set respectively
It sets in two fixed seats, the second sector gear is fixed in one end of leading screw, and the second sector gear is meshed with third sector gear,
Third sector gear is rotatably fixed on protective cover, and the first in command passes through protective cover solid with third sector gear from top to bottom
Fixed connection drives lead screw to rotate, to control to adjust the horizontal shifting of plate by rotating the first in command；
The center of first gear be equipped with fixed block, fixed block be equipped with section be regular pentagon structure fixed jack, second
Handle is top-down to pass through protective cover is plug-type to be arranged in fixed jack, and first gear is rotated by second handle.
2. intelligent rotary isolated vacuum load switch ring main unit as described in claim 1, it is characterized in that, the contact knife
Lower section is equipped with positioning column, and connecting plate is equipped with the arc track slot mutually agreed with positioning column, and positioning column is movably disposed at rail
In road slot.
3. intelligent rotary isolated vacuum load switch ring main unit as described in claim 1, it is characterized in that, the track groove
End be equipped with circular bulb, bulb is opposite with the junction of track groove to be set there are two limited block, and limited block is cut
Face is isosceles triangular structure, and cushion chamber is equipped in limited block, and bulb is used for stationary positioned column.
4. intelligent rotary isolated vacuum load switch ring main unit as described in claim 1, it is characterized in that, described first
Two group of first full skirt group and the second full skirt group, the first full skirt group packet are alternately equipped on column insulator and the second support insulator
Two the first full skirts are included, the second full skirt group includes three the second full skirts, and the height of the second full skirt is the two of the height of the first full skirt
Times, the bottom thickness of the first full skirt is identical as the bottom thickness of the second full skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281912.9A CN108462091A (en) | 2018-04-02 | 2018-04-02 | Intelligent rotary isolated vacuum load switch ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281912.9A CN108462091A (en) | 2018-04-02 | 2018-04-02 | Intelligent rotary isolated vacuum load switch ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108462091A true CN108462091A (en) | 2018-08-28 |
Family
ID=63237886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810281912.9A Withdrawn CN108462091A (en) | 2018-04-02 | 2018-04-02 | Intelligent rotary isolated vacuum load switch ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108462091A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117662A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Power grid regulation and control operation integrated device based on artificial intelligence |
-
2018
- 2018-04-02 CN CN201810281912.9A patent/CN108462091A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117662A (en) * | 2020-09-18 | 2020-12-22 | 贵州电网有限责任公司 | Power grid regulation and control operation integrated device based on artificial intelligence |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215933471U (en) | Circuit breaker main loop | |
| CN104269766A (en) | Miniaturized switch cabinet of handcart type | |
| CN108462091A (en) | Intelligent rotary isolated vacuum load switch ring main unit | |
| CN202019159U (en) | Intellectualized solid sealing insulation fixed type high-voltage switch cabinet | |
| CN208385996U (en) | Intelligent rotary isolated vacuum load switch ring network cabinet | |
| CN105551877B (en) | A kind of fixed side dress breaker | |
| CN102227059A (en) | Intelligent solid closed insulating fixed-type high voltage switchgear | |
| CN218242648U (en) | Dampproofing waterproof distribution switch controlgear | |
| CN201663383U (en) | Railway electrification gas insulated switch cabinet | |
| CN211456271U (en) | Armored impact-resistant switch cabinet | |
| CN205282915U (en) | Complete switch cabinet | |
| CN206353669U (en) | Air insulation switch cubicle | |
| CN206401841U (en) | A kind of high voltage power supply inlet wire case with separation function | |
| CN209860412U (en) | Switch cabinet | |
| CN106486914A (en) | Air insulation switch cubicle | |
| CN201674138U (en) | Box type fixed high-tension ring network switchgear | |
| CN105680362B (en) | A kind of permanent magnet type vacuum circuit-breaker | |
| CN2427910Y (en) | Novel high voltage switching cabinet having breaker | |
| CN205595681U (en) | Take intelligent low -voltage switchgear of little bus -bar room | |
| CN205810662U (en) | A kind of outdoor high-voltage heavy current disconnecting switches | |
| CN204349229U (en) | A kind of switch cubicle earthed switch | |
| CN104659698A (en) | Carbon fiber low-voltage drawer-type switch cabinet | |
| CN207368452U (en) | A kind of ring main unit with case linear quadratic control room altogether | |
| CN219348948U (en) | Partial discharge detection device for high-low voltage switch cabinet | |
| CN220652634U (en) | Power inlet wire 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180828 |