CN107257100A - A kind of low-voltage switch cabinet of drawer - Google Patents
A kind of low-voltage switch cabinet of drawer Download PDFInfo
- Publication number
- CN107257100A CN107257100A CN201710534711.0A CN201710534711A CN107257100A CN 107257100 A CN107257100 A CN 107257100A CN 201710534711 A CN201710534711 A CN 201710534711A CN 107257100 A CN107257100 A CN 107257100A
- Authority
- CN
- China
- Prior art keywords
- drawer
- cabinet
- plug
- gear
- socket
- 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.)
- Granted
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
- 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
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a kind of low-voltage switch cabinet of drawer, it is related to a kind of switch cubicle.It solves the problem of drawer can not stablize pull in the prior art.This low-voltage switch cabinet of drawer, including cabinet and can relative cabinet pull drawer, electrical equipment and active conductors are provided with drawer, separable electric connection structure is provided between drawer and cabinet, it is characterized in that, separable electric connection structure includes the socket being arranged on cabinet, it is arranged on the plug in drawer, the plug connects through guide rail slide block mechanism and is connected with the first rack, the guide rail slide block mechanism includes two vertical guide rails, sliding block is combined with each guide rail, two sliding blocks are connected by connecting rod link, one of sliding block and plug hinge connection, another sliding block and the first rack hinge connection.The present invention can realize the pull that drawer is realized while main switch folding, while ensureing the synchronous progress of two actions, and be moved during guarantee drawer pull along route is stable.
Description
Technical field
The invention belongs to technical field of electric equipment, it is related to a kind of switch cubicle, particularly a kind of low-voltage switch cabinet of drawer.
Background technology
Switch cubicle（switch cabinet）A kind of electrical equipment, main function be generated electricity in power system, it is defeated
During electricity, distribution and electric energy conversion, folding, control and protection electrical equipment are carried out.Part in switch cubicle mainly has disconnected
Road device, disconnecting switch, on-load switch, operating mechanism, transformer and various protection devices etc. are constituted.Drawer-type switch cabinet is to adopt
Closure is made of steel plate, the electric elements for passing in and out line loop are all arranged in the drawer that can be extracted out, and composition can complete a certain
Class is powered the functional unit of task.The switch cubicle produced at present, majority is drawer-type switch cabinet.They are applied to require that power supply can
By the higher industrial and mining enterprises of property, skyscraper, central controlled distribution center is used as.
Set and main switch between drawer and cabinet, the plug-in connection being electrically connected generally by plug generally exists
Main switch is disconnected before pulling out drawer, main switch is closed after feeding drawer.Generally all it is to utilize to be arranged on shaking the hand outside drawer
Handle controls the folding of main switch plug-in connection by controlling organization, but needing to realize while main switch folding again sometimes takes out
The pull of drawer, this will keep main switch plug process not influenceed by drawout cubicle pulling motion, because the rolling of drawer pull
Deflection when easily causing main switch connection-peg plug is moved, so as to bending or damage, so to ensure that both are synchronously carried out, and to ensure to take out
Moved during drawer pull along route is stable.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of low-voltage switch cabinet of drawer, this
Low-voltage switch cabinet of drawer can realize the pull that drawer is realized while main switch folding, while ensureing the synchronization of two actions
Carry out, and ensure moving along route stabilization during drawer pull.
The purpose of the present invention can be realized by following technical proposal：A kind of low-voltage switch cabinet of drawer, including cabinet and can
With respect to the drawer of cabinet pull, electrical equipment and active conductors are provided with drawer, are provided between drawer and cabinet separable
Electric connection structure, i.e. main switch.Socket that separable electric connection structure includes being arranged on cabinet, it is arranged on inserting in drawer
Head, the plug connects through guide rail slide block mechanism and is connected with the first rack, the guide rail slide block mechanism include two it is vertical
Sliding block is combined with guide rail, each guide rail, two sliding blocks are connected by connecting rod link, one of sliding block and plug hinge
Connection, another sliding block and the first rack hinge connection, the first rack are driven by first gear, first gear axle and arbor of shaking the hand
Connection, is fixed with guide pad, the cooperation that drawer is slided is on guide pad, and the guide pad passes through another guide rail slide block on cabinet
Mechanism is connected with the second rack, and the second rack is driven by second gear, and the 3rd gear is engaged with second gear, the 3rd gear and
One gear is coaxial so that first gear is opposite with the rotation direction of second gear.
The operation principle of this low-voltage switch cabinet of drawer is such：Shake crank handle and pass through pinion and rack controller plug
It is flexible, realize the folding of separation electric connection structure, drawer is oppositely oriented block and is slided while crank handle is shaken, from
And realize motion of the drawer with respect to cabinet while separation electric connection structure folding is realized.By the guide effect with guide pad,
It ensure that moving along route stabilization during drawer pull.
In above-mentioned low-voltage switch cabinet of drawer, telescopic spiral conducting line, spiral shell are connected between the socket and cabinet
Rotation wire one end is connected other end connection socket with the bus on cabinet, and the support of support socket is connected between socket and cabinet
Spring, the support spring is that the support spring is two-way shape memory alloy spring, and spiral conducting line is located in support spring,
It is provided with the first conductive jack, the second conductive jack on socket, one end of the first conductive jack and support spring passes through stretchable
Elastic wire electrical connection, the second conductive jack electrically connects with the other end of support spring, is provided with the plug pluggable
The second binding post of pluggable second conductive jack, first are provided with first binding post of the first conductive jack, the plug
Binding post is connected the two poles of the earth of control power supply with the second binding post, and the controlling switch of control power supply is located on the handle panel of drawer.
Operation principle is such：If still to keep the connection of main switch in the case where extracting drawer out, control can be closed
Switching to be powered to support spring makes spring generate heat, when reaching the phase transition temperature of support spring memory alloy material, spring elongation
So that socket can be moved with plug, ensure the connection of plug and socket when drawer is extracted out, when needing to send drawer
When returning cabinet, as long as disconnecting controlling switch, drawer can be sent back to after the temperature reduction of support spring；When need not be taken out in extraction
When the connection of main switch is kept in the case of drawer, only with not being powered to support spring, support spring is maintained for contraction state, at this moment
Crank handle is actionable to extract plug.
In above-mentioned low-voltage switch cabinet of drawer, the support spring is one-way shape memory alloy spring, and first is conductive
Jack is through hole, and the elastic wire is to be arranged on the conductive pole that the first conductive jack is can be inserted on cabinet, at support spring
When contraction state, conductive pole is electrically connected with the first conductive jack, when support spring is in elongation state, conductive pole and first
Conductive jack electrical connection disconnects, and at this moment shrink support spring can only lean on the pressure of drawer.
It is described to control power supply to be the current transformer being arranged in drawer, electric current in above-mentioned low-voltage switch cabinet of drawer
Transformer is connected with the active conductors in drawer, i.e., the induced current by the use of current transformer is used as the electricity for controlling support spring
Source.
Compared with prior art, this low-voltage switch cabinet of drawer has advantages below：
Of the invention to utilize the mechanism controls such as slide block connecting rod, it is that drawer edge is slided to drive plug separation simultaneously when crank handle is shaken
The movement of rail, it is ensured that the synchronous progress of two actions, and ensure moving along route stabilization during drawer pull.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the partial schematic diagram of embodiment one；
Fig. 3 is the schematic diagram of embodiment two；
Fig. 4 is the schematic diagram of the powered extraction drawer of embodiment two；
Fig. 5 is the schematic diagram of embodiment three；
Fig. 6 is the schematic diagram of the powered extraction drawer of embodiment three.
In figure, drawer 1, socket 2, plug 3, guide pad 4, cabinet 5, the 3rd gear 6, spiral conducting line 7, support spring 8,
One conductive jack 9, the second conductive jack 10, arbor 11 of shaking the hand, second gear 12, first gear 13, the second rack 14, the first tooth
Bar 15, sliding block 16, connecting rod 17, sliding block 18, elastic wire 19, the first binding post 20, the second binding post 21, control power supply 22, control
System switch 23, conductive pole 24.
Embodiment
The following is the specific embodiment of the present invention, and technical scheme is further described with reference to accompanying drawing,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1, 2, a kind of low-voltage switch cabinet of drawer, including cabinet 5 and can with respect to cabinet pull drawer 1, set in drawer
Electrical equipment and active conductors are equipped with, separable electric connection structure, i.e. main switch are provided between drawer and cabinet.Separable electricity
Attachment structure includes the socket 2 being arranged on cabinet, the plug 3 being arranged in drawer, and the plug connects through guide rail slide block
Mechanism is connected with the first rack 15, and the guide rail slide block mechanism includes being combined with two vertical guide rails, each guide rail
Sliding block 16, sliding block 18, two sliding blocks pass through the hinge connection of connecting rod 17, one of sliding block and plug hinge connection, another cunning
Block and the first rack hinge connection, the first rack are driven by first gear 13, and first gear axle is connected with arbor 11 of shaking the hand, in cabinet
It is fixed with guide pad 4 on body, the cooperation that drawer is slided is on guide pad, and the guide pad passes through another guide rail slide block mechanism and the
Two racks 14 are connected, and the second rack is driven by second gear 12, and the 3rd gear is engaged with second gear, the 3rd gear 6 and first
Gear is coaxial so that first gear is opposite with the rotation direction of second gear.
The operation principle of this low-voltage switch cabinet of drawer is such：Shake crank handle and pass through pinion and rack controller plug
It is flexible, realize the folding of separation electric connection structure, drawer is oppositely oriented block and is slided while crank handle is shaken, from
And realize motion of the drawer with respect to cabinet while separation electric connection structure folding is realized.By the guide effect with guide pad,
It ensure that moving along route stabilization during drawer pull.
Embodiment two
As shown in Figure 3,4, it is unlike the embodiments above, it is connected with telescopic spiral conducting line between the socket and cabinet
7, spiral conducting line one end is connected with the bus on cabinet, other end connection socket, and support socket is connected between socket and cabinet
Support spring 8, the support spring is that the support spring is two-way shape memory alloy spring, and spiral conducting line is located at support
One end of the first conductive jack 9, the second conductive jack 10, the first conductive jack and support spring is provided with spring, on socket
Electrically connected by stretchable elastic wire 19, such as spiral helicine scalable wire, the second conductive jack and support spring it is another
One end is electrically connected, and is provided with that be provided with the first binding post of pluggable first conductive jack, the plug can on the plug
The second binding post of the second conductive jack is inserted, the first binding post 20 is connected the two poles of the earth of control power supply 22 with the second binding post 21,
The controlling switch 23 of power supply is controlled to be located on the handle panel of drawer.Operation principle is such：If extracting the feelings of drawer out
Still the connection of main switch is kept under condition, then can close controlling switch and be powered to support spring makes spring generate heat, when reaching
During the phase transition temperature of support spring memory alloy material, spring is extended so that socket can be moved with plug, in drawer
Ensure the connection of plug and socket during extraction, when needing to send drawer back to cabinet, as long as disconnecting controlling switch, support spring
Drawer can be sent back to after temperature reduction；When the connection of main switch need not be being kept in the case of extracting drawer out, only with not
It is powered to support spring, support spring is maintained for contraction state, and at this moment crank handle is actionable extracts plug.
It is described to control power supply to be the current transformer being arranged in drawer, electric current in above-mentioned low-voltage switch cabinet of drawer
Transformer is connected with the active conductors in drawer, i.e., the induced current by the use of current transformer is used as the electricity for controlling support spring
Source.
Embodiment three
As shown in Figure 5,6, unlike the embodiments above, the support spring is one-way shape memory alloy spring, first
Conductive jack is through hole, and the elastic wire is to be arranged on the conductive pole 24 that the first conductive jack is can be inserted on cabinet, works as support
When spring is in contraction state, conductive pole is electrically connected with the first conductive jack, when support spring is in elongation state, conductive pole
Disconnection is electrically connected with the first conductive jack, at this moment shrink support spring can only lean on the pressure of drawer.
Although more having used some terms herein, the possibility using other terms is not precluded from.Use these
Term is used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional limitation all
Disagreed with spirit of the present invention.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (4)
1. a kind of low-voltage switch cabinet of drawer, including cabinet and can with respect to cabinet pull drawer, be provided with electrical equipment in drawer
And active conductors, separable electric connection structure is provided between drawer and cabinet, it is characterised in that separable electric connection structure bag
The socket being arranged on cabinet, the plug being arranged in drawer are included, the plug connects through guide rail slide block mechanism and the first tooth
Bar is connected, and the guide rail slide block mechanism includes being combined with sliding block on two vertical guide rails, each guide rail, and two sliding blocks lead to
Cross connecting rod link connection, one of sliding block and plug hinge connection, another sliding block and the first rack hinge connection, the first tooth
Bar is driven by first gear, and first gear axle is connected with arbor of shaking the hand, and guide pad, the cooperation that drawer is slided are fixed with cabinet
On guide pad, the guide pad is connected by another guide rail slide block mechanism with the second rack, and the second rack is driven by second gear
Dynamic, the 3rd gear is engaged with second gear, and the 3rd gear and first gear are coaxial.
2. low-voltage switch cabinet of drawer according to claim 1, it is characterised in that being connected between the socket and cabinet can
Flexible spiral conducting line, spiral conducting line one end is connected other end connection socket with the bus on cabinet, connects between socket and cabinet
The support spring of support socket is connected to, the support spring is two-way shape memory alloy spring, and spiral conducting line is located at support bullet
It is provided with the first conductive jack, the second conductive jack in spring, on socket, one end of the first conductive jack and support spring is by can
The elastic wire electrical connection of stretching, the second conductive jack is electrically connected with the other end of support spring, and being provided with the plug can
The second binding post that pluggable second conductive jack is provided with the first binding post of the first conductive jack, the plug is inserted,
First binding post is connected the two poles of the earth of control power supply with the second binding post, and the controlling switch of control power supply is located at the handle panel of drawer
On.
3. low-voltage switch cabinet of drawer according to claim 2, it is characterised in that the support spring is one-way shape memory
Alloy spring, the first conductive jack is through hole, and the conductive pole of pluggable first conductive jack is provided with cabinet.
4. low-voltage switch cabinet of drawer according to claim 1, it is characterised in that described to control power supply to be arranged in drawer
Current transformer, current transformer is connected with the active conductors in drawer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534711.0A CN107257100B (en) | 2017-07-03 | 2017-07-03 | A kind of low-voltage switch cabinet of drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534711.0A CN107257100B (en) | 2017-07-03 | 2017-07-03 | A kind of low-voltage switch cabinet of drawer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107257100A true CN107257100A (en) | 2017-10-17 |
| CN107257100B CN107257100B (en) | 2018-12-11 |
Family
ID=60025447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710534711.0A Active CN107257100B (en) | 2017-07-03 | 2017-07-03 | A kind of low-voltage switch cabinet of drawer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107257100B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196173A1 (en) * | 2018-04-08 | 2019-10-17 | 大全集团有限公司 | Alternative propulsion mechanism for drawer |
| CN110767510A (en) * | 2019-10-31 | 2020-02-07 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Hot-line plugging fixing base for circuit breaker |
| CN111550973A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550968A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550970A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550967A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550971A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550965A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550969A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550972A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550966A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111817193A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Switch cabinet convenient to open and close |
| CN111917043A (en) * | 2020-06-23 | 2020-11-10 | 祥兴电气有限公司 | Drawer type capacitance compensation cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408599Y (en) * | 2000-02-22 | 2000-11-29 | 梁恒云 | Drawer of low voltage distribution cabinet |
| CN102361243A (en) * | 2011-06-29 | 2012-02-22 | 博耳(宜兴)电力成套有限公司 | Handcart mechanism of circuit breaker |
| CN105745800A (en) * | 2013-11-22 | 2016-07-06 | 伊顿工业(荷兰)有限公司 | Switching gear |
-
2017
- 2017-07-03 CN CN201710534711.0A patent/CN107257100B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408599Y (en) * | 2000-02-22 | 2000-11-29 | 梁恒云 | Drawer of low voltage distribution cabinet |
| CN102361243A (en) * | 2011-06-29 | 2012-02-22 | 博耳(宜兴)电力成套有限公司 | Handcart mechanism of circuit breaker |
| CN105745800A (en) * | 2013-11-22 | 2016-07-06 | 伊顿工业(荷兰)有限公司 | Switching gear |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196173A1 (en) * | 2018-04-08 | 2019-10-17 | 大全集团有限公司 | Alternative propulsion mechanism for drawer |
| CN111550971B (en) * | 2019-02-12 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Wiring mechanism and refrigerator with same |
| CN111550969B (en) * | 2019-02-12 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550966B (en) * | 2019-02-12 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550970A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550967A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550971A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550965A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550969A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550972A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550972B (en) * | 2019-02-12 | 2023-03-17 | 海尔智家股份有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550968A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550973A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550966A (en) * | 2019-02-12 | 2020-08-18 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550967B (en) * | 2019-02-12 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Wiring mechanism and refrigerator with same |
| CN111550970B (en) * | 2019-02-12 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550973B (en) * | 2019-02-12 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN111550965B (en) * | 2019-02-12 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Wiring mechanism and refrigerator with same |
| CN111550968B (en) * | 2019-02-12 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Walk line mechanism and have this refrigerator of walking line mechanism |
| CN110767510A (en) * | 2019-10-31 | 2020-02-07 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Hot-line plugging fixing base for circuit breaker |
| CN111917043B (en) * | 2020-06-23 | 2022-05-31 | 祥兴电气有限公司 | Drawer type capacitance compensation cabinet |
| CN111917043A (en) * | 2020-06-23 | 2020-11-10 | 祥兴电气有限公司 | Drawer type capacitance compensation cabinet |
| CN111817193B (en) * | 2020-06-27 | 2022-03-22 | 湖南东方电器有限公司 | Switch cabinet convenient to open and close |
| CN111817193A (en) * | 2020-06-27 | 2020-10-23 | 合肥伏安科技有限公司 | Switch cabinet convenient to open and close |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107257100B (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107257100A (en) | A kind of low-voltage switch cabinet of drawer | |
| CN107591717A (en) | A kind of horizontal unscrewing type switchboard assembly | |
| CN206041241U (en) | Novel switching cabinet | |
| CN102769407A (en) | Pulse power source based on LTD (Laser Target Designator) self-synchronizing switch | |
| CN207368455U (en) | A kind of low-tension switch cabinet of convenient maintenance | |
| CN206003689U (en) | Side-mounted high-pressure vacuum breaker | |
| CN205666151U (en) | Contact tight type circuit breaker | |
| CN209401985U (en) | For getting in touch with the connection bus of cabinet | |
| CN104934889B (en) | A kind of busbar connecting portion can breakaway-element switch cubicle | |
| CN206542074U (en) | A kind of high security high-voltage switch gear complete set of equipments cabinet door interlocking mechanism | |
| CN208938879U (en) | A kind of the two poles of the earth 10kV permanent magnetic vacuum breaker | |
| CN208257250U (en) | Pull-out type low-voltage distribution system | |
| CN209497234U (en) | A kind of routing device of double power supply automatic transfer switch | |
| CN201638736U (en) | Single-pole two-step action-type earthing switch | |
| CN207602457U (en) | There is the high voltage isolator of ice-melt short circuit and conventional func switching | |
| CN206774973U (en) | Intensive dual-power transfer switch | |
| CN206820342U (en) | A kind of high-low pressure cabinet drawer | |
| CN206364385U (en) | A kind of low-tension switch cabinet | |
| CN204088994U (en) | A kind of new design moveable high-voltage switchgear | |
| CN204102777U (en) | A kind of outdoor high-voltage heavy current disconnecting switches device | |
| CN105788979B (en) | Breaker unit and distribution switchgear cabinet | |
| CN208174313U (en) | A kind of authority recognition smart circuit control anti-theft type mobile power source | |
| CN204155820U (en) | Auxiliary isolating switch | |
| CN208479174U (en) | A kind of generator breaker device | |
| CN202737782U (en) | Pulse power source based on LTD self-synchronizing switch |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |