CN110120313A - A kind of low-tension switch cabinet divide-shut brake remote control linkage mechanism - Google Patents
A kind of low-tension switch cabinet divide-shut brake remote control linkage mechanism Download PDFInfo
- Publication number
- CN110120313A CN110120313A CN201910378986.9A CN201910378986A CN110120313A CN 110120313 A CN110120313 A CN 110120313A CN 201910378986 A CN201910378986 A CN 201910378986A CN 110120313 A CN110120313 A CN 110120313A
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- China
- Prior art keywords
- sleeve
- switch
- touch
- steel column
- low
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
- H01H2013/026—Light-emitting indicators with two or more independent lighting elements located inside the push button switch that illuminate separate zones of push buttons
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of low-tension switch cabinet divide-shut brakes to be remotely controlled linkage mechanism, and including steel column and the sleeve being set on the outside of steel column, the upper surface and lower end surface of the sleeve are respectively arranged with limiting device and move in the vertical direction for limiting the sleeve.Low-tension switch cabinet divide-shut brake of the invention is remotely controlled linkage mechanism, it can be moved downward to when it is displaced bottom in steel column and press the first touch-switch, to make the first indicator light light, and it is moved upward to when it is displaced the top in steel column and presses second touch-switch, to make the second indicator light light, it is shown by the working condition that the first indicator light can be remotely controlled executing agency to low-tension switch cabinet divide-shut brake with the second indicator light, when the first indicator light or the second indicator light light, it can be intuitively to observing whether current low-tension switch cabinet divide-shut brake remote control executing agency is touching killer switch button.
Description
The application is the Chinese invention patent (applying date: 08 month 2018 31 that number of patent application is 2018110107145
Day, patent name: a kind of low-tension switch cabinet divide-shut brake is remotely controlled executing agency) divisional application.
Technical field
The present invention relates to power distribution automation installations and facilities technical fields more particularly to a kind of low-tension switch cabinet divide-shut brake to be remotely controlled
Linkage mechanism.
Background technique
With the propulsion of the third time industrial revolution, electric power will occupy increasing specific gravity in energy consumption mix.By
In the scarcity of power Transmission resource, electric system has natural monopoly, and electric system has the characteristics that many exclusive.Electricity
Force system is one of artificial industrial network system most complicated in the world.Relative to telecommunications enterprise, electric system coverage area is more
Extensively, possess more accessing users.Big and small equipment, household electrical appliances access electricity by each voltage class in all kinds of power consumers
Net.Therefore, power grid has potentiality and possesses most true, widest data.
Compared with traditional mass data, big data have " 3V " feature, i.e. Variety (data type diversity),
Volume (data magnanimity) and Velocity (data processing speed requires high).The big data of electric system not only has big data
" 3V " feature, also there are other " 2V " features: Veracity (accuracy is high), Value (value is high).
It is further pushed away with urbanization, the raising of the level of IT application and novel Urbanization Construction with advances in technology
Into smart home, intelligent building, intelligent Community, intelligent city all will be as developing direction from now on, family distributed hairs
Electricity, electric car, intelligent appliance etc. will also promote and apply.In smart grid, intelligent power plant, intelligent substation and smart home
Digitizer integrated level is higher, compatibility is stronger, the data volume for generating it in operational process is bigger, data precision more
Height, to equipment operation maintenance work, more stringent requirements are proposed for this, and traditional data analytical model is no longer satisfied intelligent electricity
Digitizer mass data processing demand in net.
Substation (Substation) is that some equipment are assembled, to be switched off or on, change or adjust electricity
Pressure, in the power system, substation is the assembly place of transmission and disttrbution.And low-tension switch cabinet is indispensable one in substation
Kind distribution switchgear, transmission and control for electric energy.Generally, the behaviour for the master switch facility being equipped with inside low-tension switch cabinet
Make to realize the movement of switch using electric operation button, for example, on the cabinet face of 380V switchgear with operating breaker separating brake,
The switch button component of combined floodgate.The divide-shut brake of low-tension switch cabinet is to carry out people to scene by operation maintenance personnel in standing in substation at present
The mode of work operation, which need the professional ability of personnel strong, are familiar with electric wiring, and human cost is higher, work
Low efficiency, automatization level are low.It is more and more various that automation means are introduced with the development of Distribution Automation Technology, in substation
Change, study carefully its purpose is to mitigate the action of manpower, save human cost, use is more scientific, and more professional automation means are real
Show the unattended target of substation, and the automation control data of substation are included in the data processing system of smart grid.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of low-tension switch cabinet divide-shut brakes to be remotely controlled linkage mechanism.
Therefore, low-tension switch cabinet divide-shut brake provided by the invention is remotely controlled linkage mechanism, including the set being set on the outside of steel column
Cylinder, the upper surface and lower end surface of the sleeve are respectively arranged with limiting device and move in the vertical direction for limiting the sleeve
It is dynamic；Offer guide groove on the lateral wall of the steel column, the guide groove include the first vertical groove portion, the second vertical groove portion,
First chute portion and the second chute portion, the first vertical groove portion and the second vertical groove location on the shaft section of the steel column simultaneously
And it is located at the axis two sides of steel column, wherein the first vertical groove location, in the top of the second vertical groove portion, first chute portion connects
It is connected between the lower end of the first vertical groove portion and the lower end of the second vertical groove portion, it is perpendicular that second chute portion is connected to described first
Between the upper end in straight trough portion and the upper end of the second vertical groove portion；Convex block is provided on the inner sidewall of the sleeve, the convex block is inserted
Enter into the guide groove and can be moved along the guide groove；It is provided with lug boss on the lateral wall of the sleeve, first
Touch-switch, the second touch-switch are separately positioned on the left and right sides of the sleeve, with the rotation of the sleeve protrusion
Portion can press first touch-switch, the second touch-switch respectively.
First touch-switch and the second touch-switch include contact button and spring pressuring plate, and the spring pressuring plate is used
In can touch the contact button after the extruding by the lug boss, and returned after the extruding for being detached from the lug boss
Bullet simultaneously leaves the contact button.
The limiting device is plane bearing.
By adopting the above technical scheme, low-tension switch cabinet divide-shut brake of the invention is remotely controlled linkage mechanism, can be downward in steel column
It is moved to when it is displaced bottom and presses the first touch-switch, so that the first indicator light be made to light, and moved up in steel column
Second touch-switch is pressed when being displaced the top to it, so that the second indicator light be made to light, passes through the first indicator light and the
The working condition that two indicator lights can be remotely controlled executing agency to low-tension switch cabinet divide-shut brake be shown, when the first indicator light or the
It, can be intuitively to observing whether current low-tension switch cabinet divide-shut brake remote control executing agency is touching when two indicator lights light
Killer switch button.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that low-tension switch cabinet divide-shut brake is remotely controlled executing agency.
Fig. 2 is another angle schematic diagram of Fig. 1.
Fig. 3 is the decomposition diagram of Fig. 1.
Fig. 4 is another angle schematic diagram of Fig. 3.
Fig. 5 is the scheme of installation of sleeve, steel column, mandril and electromagnet.
Fig. 6 is the scheme of installation of the sleeve and steel column in embodiment one.
Fig. 7 is the cut-away diagram of Fig. 6.
Fig. 8 is the structural schematic diagram of steel column and mandril.
Fig. 9 is another angle schematic diagram of Fig. 8.
Figure 10 is the main view of steel column.
Figure 11 is the left view of steel column.
Figure 12 is the rearview of steel column.
Figure 13 is the right view of steel column.
Figure 14 is the scheme of installation of the steel column and sleeve in embodiment two, and middle sleeve is in and splits state.
Figure 15 is the structural schematic diagram of the steel column in embodiment two.
Figure 16 is the schematic view of the mounting position of the lug boss and the first touch-switch and the second touch-switch in embodiment two.
Figure 17 is the top view of Figure 16.
Figure 18 is the structural schematic diagram of switching switch.
Figure 19 is the decomposition diagram of Figure 18.
Figure 20 is the portion the A partial enlarged view in Figure 19.
Figure 21 is the structural schematic diagram of shaft and the second ratchet part, square plate and leaf spring.
Figure 22 is the structural schematic diagram of adjusting rod.
Figure 23 is the scheme of installation of mandril and guide tube.
Figure 24 is the circuit diagram that low-tension switch cabinet divide-shut brake is remotely controlled linkage mechanism.
Specific embodiment
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, 2, low-tension switch cabinet divide-shut brake of the invention is remotely controlled executing agency, including box body 10 and is located at box
Actuating mechanism assembly 20 in body 10.Cable-through hole 101 is offered in the lower part of the box body 10 and is worn for what mandril was pierced by
Portal 102.
As shown in Fig. 3,4,5, actuating mechanism assembly 20 includes electromagnet 21, the mandril for touching killer switch button
22, positioned at 22 upper end of mandril steel column 23 and cover reset spring 24 in the outside of mandril 22；The mandril 22 is set to described
On the axis of electromagnet 21 and the electromagnet 21 is passed through, the electromagnet 21 can start and adsorb under the control of the controller
To close to the movement of the direction of electromagnet 21, the reset spring 24 is withstood on the steel column 23 to always to institute the steel column 23
State 23 1 power far from the electromagnet 21 of steel column.
When needing to touch killer switch button, pulse in 1~2 second is conveyed to electromagnet 21 by long-range controller
Signal, so that electromagnet 21 be made to start 1~2 second, after electromagnet starting, absorption steel column 23 makes it drive mandril 22 to breaker
The movement of switch button direction is touched, and after pulse signal, steel column 23 loses the absorption of electromagnet, so that reset spring 24 makes
Steel column 23 resets.
Meanwhile low-tension switch cabinet divide-shut brake remote control executing agency further include the first indicator light 31, the second indicator light 32,
For control the first touch-switch 33 of the first indicator light 31, the second touch-switch 34 for controlling the second indicator light 32 and
Linkage mechanism, the linkage mechanism, which is used to be moved downward to when it is displaced bottom in steel column 23, presses first touch-switch
33, so that the first indicator light 32 be made to light, and for being moved upward to when it is displaced the top in steel column 23 press described the
Two touch-switch 34, so that the second indicator light 32 be made to light.It can be to low pressure by the first indicator light 31 and the second indicator light 32
The working condition of switchgear divide-shut brake remote control executing agency is shown, when the first indicator light 31 or the second indicator light 32 light
When, can intuitively to observe current low-tension switch cabinet divide-shut brake remote control executing agency whether touching killer switch by
Button.
As embodiment one, the linkage mechanism includes the sleeve 25 for being set in 23 outside of steel column, the sleeve 25
Upper surface and lower end surface be respectively arranged with limiting device and moved in the vertical direction for limiting the sleeve 25, the limit
Device is plane bearing 250；Guide groove is offered on the lateral wall of the steel column 23, the guide groove includes the first vertical slots
Portion 231, the second vertical groove portion 232, the first chute portion 233 and the second chute portion 234, the first vertical groove portion 231 and second
Vertical groove portion 232 is located at the axis two sides on the shaft section of the steel column and being located at steel column, wherein the first vertical groove portion 231
In the top of the second vertical groove portion 121, first chute portion 233 is connected to the lower end of the first vertical groove portion 231 and second and erects
Between the lower end in straight trough portion 232, second chute portion 234 is connected to the upper end of the described first vertical groove portion 231 and second and erects
Between the upper end in straight trough portion 232；Convex block 251 is provided on the inner sidewall of the sleeve 25, the convex block 251 is inserted into described lead
It can move into slot and along the guide groove；Lug boss 252 is provided on the lateral wall of the sleeve 25, described first is light
Touching switch 33, the second touch-switch 34 are separately positioned on the left and right sides of the sleeve 25, with the rotation institute of the sleeve 25
First touch-switch 33, the second touch-switch 34 can be pressed respectively by stating lug boss 252.
When steel column 23 is located at the top of its displacement, the convex block 251 is located at the upper of the described first vertical groove portion 231
End, lug boss 232 presses the second touch-switch 34, so that the second indicator light 32 be made to light；It is convex when steel column 23 starts to move down
Block 251 is moved down in the first vertical groove portion 231 until when entering the first chute portion 233, and sleeve 25 starts to rotate；Work as steel column
23 when moving to the bottom of its displacement, and convex block 251 is moved to the lower end of the second vertical groove portion 232, the pressing of lug boss 232 first
Touch-switch 33, so that the first indicator light 31 be made to light；When steel column starts to move up, convex block 251 is in the second vertical groove portion 232
When being inside move upwardly until into the second chute portion 234, sleeve 25 starts to continue to rotate according to original direction of rotation；Work as steel column
23 move to its displacement the top when, convex block 251 is moved to the upper end of the first vertical groove portion 231, completes a period of motion.
The purpose that the first vertical groove portion 231 and the second vertical groove portion 232 is arranged is: when the beginning of steel column 23 is moved downward or upward,
So that convex block 251 is can smoothly enter into corresponding first chute portion 233 or the second chute portion 234, makes steel column 23 always to a side
To rotation, while the case where while also avoiding moving to highest order on steel column 23 after electromagnet is closed continues rotation because of inertia, from
And avoid the flashing of the second indicator light 32.
As shown in figure 23, it is provided with spline 221 on the mandril 22, be internally provided in the electromagnet 21 for institute
The guide tube 211 that mandril 22 passes through is stated, offers the spline matched with the spline 221 on the inner sidewall of the guide tube 211.
First touch-switch 33 and the second touch-switch 34 include contact button and spring pressuring plate, the spring pressure
Piece is being detached from the lug boss 252 for that can touch the contact button after the extruding by the lug boss 252
Extruding after spring back and leave the contact button.
As shown in figures 14-17, as embodiment two, the linkage mechanism includes the set for being set in 23 outside of steel column
Cylinder 25, the upper surface and lower end surface of the sleeve 25 are respectively arranged with limiting device for limiting the sleeve 25 in vertical direction
Upper movement；Third chute portion 235 is offered on the lateral wall of the steel column 23, is provided on the inner sidewall of the sleeve 25 convex
Block 251, the convex block 251 are inserted into the third chute portion 235 and can move along the third chute portion 235；Institute
It states and is provided with lug boss 252 on the lateral wall of sleeve 25, first touch-switch 33, the second touch-switch 34 are separately positioned on
The outside of the sleeve 25 is touched out as the rotation of the sleeve 25 lug boss 252 can press described first respectively
Close the 33, second touch-switch 34.
Radian of the starting point 235a to clearing end 235b of the third chute portion 235 in the circumferential direction of the steel column is α,
To make the lug boss 252 rotate in the angle of α.The radian measure alpha is less than 60 °, such as preferably equal to 30 °, to make institute
The second touch-switch 34 can be touched after being detached from the first touch-switch 33 within a short period of time by stating lug boss 252.
Low-tension switch cabinet divide-shut brake remote control executing agency further includes switching switch 40, as shown in figure 18, the switching
Switch 40 includes reversing mechanism and third touch-switch 43 and the 4th touch-switch 44, and the third touch-switch 43 is for controlling
Third indicator light 42 processed, the 4th touch-switch 44 are used to control the on-off of the electromagnet power supply, and the reversing mechanism is used
In switching between third touch-switch and the 4th touch-switch.It can be realized by reversing mechanism to low-tension switch cabinet divide-shut brake
It is remotely controlled opening or closing for the remote control function of executing agency, and current to low-tension switch cabinet divide-shut brake remote control executing agency
It is shown in distance control mode or MANUAL CONTROL mode by third indicator light 42.
The switching switch 40 includes shell 41, and the reversing mechanism includes the shaft 45 being arranged in the shell 41,
The shaft 45 is installed on a wind spring 46；A briquetting 451 is provided on the lateral wall of the shaft 45, the third is touched
Switch 43 and the 4th touch-switch 44 are located at the briquetting 451 around the shaft on the rotational trajectory of 45 axis, to work as the briquetting
451 can trigger the third touch-switch 43 or the 4th touch-switch when being located at the starting point of the rotational trajectory or clearing end
44。
As shown in figure 20, it is separately provided for stopping the briquetting in the starting point of the rotational trajectory and clearing end
451 block 451a.
It offers in one end of the shaft 45 along its axially extending through-hole 453, the through-hole 453 is positive including section
Rectangular square hole portion 453a and diameter are less than or equal to the circular hole portion 453b of the square side length；In the remote of the shaft 45
One end from the square hole portion 453a is provided with the first ratchet part 452, and first ratchet part 452 withstands on one second ratchet part
On 461, second ratchet part 461 is fixed on a square plate 462, and the square plate 462 is withstood on a leaf spring 47, described rectangular
Plate 462 is located in a rectangular sliding slot 411；Switching switch further includes an adjusting rod 48, the side of the adjusting rod 48 be with
The square bar portion 481 that the square hole portion 453a is matched, the other side are the round bar portion 482 matched with the circular hole portion 453b.
The setting of above structure can prevent the maloperation of switching switch 40.When needing using switching switch 40, will adjust
The square bar portion 481 of pole 48 is inserted into square hole portion 453a, then rotates the adjusting rod 48, rotates shaft 45, to press
Block 451 is detached from third touch-switch 43 and squeezes the 4th touch-switch 44, extracts square bar portion 481, the second spine after adjusting out
Teeth portion 461 turn round the first ratchet part 452 can not；When needing to turn round the shaft 45, the round bar portion of adjusting rod 48 is used
482 are inserted into through-hole 453, and withstand square plate 462 after passing through the circular hole portion 453b and move backward it, to make the
Two ratchet parts 461 are detached from the first ratchet part 452, shaft 45 by wind spring 46 effect to turning round, so that briquetting 451 is detached from the
Four touch-switch 44 and squeeze third touch-switch 43.
Obviously, above-described embodiment is only intended to clearly illustrate example, and does not limit the embodiments.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (3)
1. a kind of low-tension switch cabinet divide-shut brake is remotely controlled linkage mechanism, it is characterised in that: including steel column and be set on the outside of steel column
Sleeve, the upper surface and lower end surface of the sleeve are respectively arranged with limiting device for limiting the sleeve in the vertical direction
It is mobile；Guide groove is offered on the lateral wall of the steel column, the guide groove includes the first vertical groove portion, the second vertical slots
Portion, the first chute portion and the second chute portion, the first vertical groove portion and the second vertical groove location in the two sides of the steel column,
In the first vertical groove location in the top of the second vertical groove portion, first chute portion be connected to the lower end of the first vertical groove portion with
Between the lower end of second vertical groove portion, second chute portion is connected to upper end and the second vertical slots of the described first vertical groove portion
Between the upper end in portion；Convex block is provided on the inner sidewall of the sleeve, the convex block is inserted into the guide groove and being capable of edge
The guide groove it is mobile；Lug boss, the first touch-switch, the second touch-switch difference are provided on the lateral wall of the sleeve
The left and right sides of the sleeve is set, as the rotation of the sleeve lug boss can press first touch-switch
Or second touch-switch.
2. low-tension switch cabinet divide-shut brake as described in claim 1 is remotely controlled linkage mechanism, it is characterised in that: described first touches out
Closing with the second touch-switch includes contact button and spring pressuring plate, and the spring pressuring plate by the lug boss for being squeezed
The contact button is touched after pressure, and is sprung back and resetted after the lug boss leaves.
3. low-tension switch cabinet divide-shut brake as claimed in claim 1 or 2 is remotely controlled linkage mechanism, it is characterised in that: the limit dress
It is set to plane bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378986.9A CN110120313B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake remote control link gear |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010714.5A CN109103042B (en) | 2018-08-31 | 2018-08-31 | A kind of low-tension switch cabinet divide-shut brake remote control executing agency |
| CN201910378986.9A CN110120313B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake remote control link gear |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010714.5A Division CN109103042B (en) | 2018-08-31 | 2018-08-31 | A kind of low-tension switch cabinet divide-shut brake remote control executing agency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110120313A true CN110120313A (en) | 2019-08-13 |
| CN110120313B CN110120313B (en) | 2020-08-11 |
Family
ID=64864524
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378975.0A Active CN110120312B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake change over switch |
| CN201811010714.5A Active CN109103042B (en) | 2018-08-31 | 2018-08-31 | A kind of low-tension switch cabinet divide-shut brake remote control executing agency |
| CN201910378987.3A Active CN110033971B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear linkage mechanism |
| CN201910378986.9A Active CN110120313B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake remote control link gear |
| CN201910378989.2A Active CN110120314B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake remote control actuating mechanism |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378975.0A Active CN110120312B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake change over switch |
| CN201811010714.5A Active CN109103042B (en) | 2018-08-31 | 2018-08-31 | A kind of low-tension switch cabinet divide-shut brake remote control executing agency |
| CN201910378987.3A Active CN110033971B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear linkage mechanism |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378989.2A Active CN110120314B (en) | 2018-08-31 | 2018-08-31 | Low-voltage switchgear divide-shut brake remote control actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN110120312B (en) |
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- 2018-08-31 CN CN201910378975.0A patent/CN110120312B/en active Active
- 2018-08-31 CN CN201811010714.5A patent/CN109103042B/en active Active
- 2018-08-31 CN CN201910378987.3A patent/CN110033971B/en active Active
- 2018-08-31 CN CN201910378986.9A patent/CN110120313B/en active Active
- 2018-08-31 CN CN201910378989.2A patent/CN110120314B/en active Active
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| CN101251141A (en) * | 2008-04-10 | 2008-08-27 | 中国科学院长春光学精密机械与物理研究所 | Quick positioning locking mechanism |
| WO2014102468A1 (en) * | 2012-12-27 | 2014-07-03 | Valeo Systemes Thermiques | Control device having a key |
| CN204464835U (en) * | 2015-02-17 | 2015-07-08 | 四川省南充晶塔变压器有限公司 | A kind of cabinet door interlocking device of switch cabinet |
| CN106098424A (en) * | 2016-08-05 | 2016-11-09 | 佛山市威格特电气设备有限公司 | Portable high-pressure opens cabinet safety telecontrol device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109103042B (en) | 2019-06-21 |
| CN110120314B (en) | 2020-12-11 |
| CN110120312B (en) | 2021-01-01 |
| CN110033971B (en) | 2020-08-11 |
| CN110120312A (en) | 2019-08-13 |
| CN110120313B (en) | 2020-08-11 |
| CN110120314A (en) | 2019-08-13 |
| CN110033971A (en) | 2019-07-19 |
| CN109103042A (en) | 2018-12-28 |
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