CN206921701U - Switch operation mechanism case - Google Patents
Switch operation mechanism case Download PDFInfo
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- CN206921701U CN206921701U CN201720164338.XU CN201720164338U CN206921701U CN 206921701 U CN206921701 U CN 206921701U CN 201720164338 U CN201720164338 U CN 201720164338U CN 206921701 U CN206921701 U CN 206921701U
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- Prior art keywords
- signal
- disconnecting link
- separating brake
- control
- drive device
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Abstract
The utility model provides a kind of switch operation mechanism case, including：Communication module, control module, disconnecting link drive device, and the power module powered for the communication module and control module；The communication module, which is used to receive, orders, and signal corresponding to receiving order is uploaded to the control module, the control module, which is used to export to close a floodgate, allows signal, feed motion signal, separating brake to allow one or more of signal, separating brake action signal signal, each signal cooperates or the independent control disconnecting link drive device, so that disconnecting link drive device control switch mechanism performs combined floodgate or separating brake action.The secondary control loop that the utility model solves conventional switch mechanism at present separates with operating mechanism box body, and signal causes the problem of switch mechanism reliability reduces, installation and operation maintenance efficiency is low by a large amount of cable transmissions.
Description
Technical field
It the utility model is related to electric device technical field, more particularly to a kind of switch operation mechanism case.
Background technology
Power industry is to support the infrastructural industries and public utilities of national economy and social development, is passed through as China is national
The fast development of Ji and the continuous improvement of living standards of the people, to the degree of dependence of electric power also more and more higher.In order to realize power network
Reliable, safety, economy, numerous benefits such as efficiently, it is current so that the master of Future Power System to build intelligent grid energetically
Want developing direction.Disconnecting switch is widely applied with earthed switch in transformer station, and its intelligent intellectuality to whole power network rises
Promotion effect.
Disconnecting link is the general designation to the switch without division load current and short circuit current in power system, including is kept apart
Close, earthed switch etc..Disconnecting switch plays a part of some equipment and isolated from power, earthed switch being used in primary circuit
Ensureing some equipment reliable ground, both are largely used due to simple in construction in power system, therefore to its reliability requirement very
It is high；Both functions in power system are although incomplete same, but the control mechanism of its control box is identical, therefore it is grasped
Same method can be used by making the intellectuality of mechanism.
Conventional switch operation mechanism case at present, mainly include motor forward direction, the mechanism loop of antiport, and
Indicate the position of the switch auxiliary switch, travel switch, by cable reception from convergence control cabinet point, close control command.Due to setting
The standby and limitation of Personal Safety, the operation of disconnecting link has many limitations, because disconnecting link is unable to division electric current, division isolation switch
It must be carried out in the case where breaker is opened, isolation switch can not be closed in the case of equipment ground, when closing grounding switch
Adjacent disconnecting switch is switched on, and these are required for realizing by joining locked loop.Therefore need by a large amount of cables
The signals such as the auxiliary switch for indicating the position of the switch are sent to convergence control cabinet, the connection for opening a sluice gate position instruction and switch operation closes
Lock.
During whole control and signal feedback, the transmission of signal can pass through substantial amounts of cable, terminal, relay
Deng component, the reliability of disconnecting link control have impact on.The in-plant debugging of quantity various cable knife brake apparatus, transformer station connect
Operation maintenance of the line with debugging and in the future is very inconvenient.
At present, the research for disconnecting link is concentrated mainly on the mechanical structure to switch mechanism, in terms of drive method, Yi Jicong
Material, performance etc. optimize to the performance of disconnecting link, reliability, cost, but lack network service, processor etc.
Technology is organically combined with disconnecting link, realizes intelligentized control, facilitates the research in terms of disconnecting link production, debugging, operation maintenance.
Therefore, urgently occur a kind of novel intelligent switch operation mechanism case at present, by the secondary control loop of disconnecting link with
Computer Control Technology, the network communications technology are organically combined, the secondary electrical control loop to simplify the internal structure of an organization in case, so as to
The reliability of disconnecting link is improved, lifts the convenience of its operation maintenance.
Utility model content
The utility model provides a kind of novel intelligent switch operation mechanism case, and its object is to solve current conventional knife
The secondary control loop of lock separates with operating mechanism box body, signal by a large amount of cable transmissions, cause disconnecting link reliability to reduce,
The problem of installation and operation maintenance efficiency is low.
The utility model embodiment provides a kind of switch operation mechanism case, including：Communication module, control module, disconnecting link drive
Dynamic device, and the power module powered for the communication module and control module；
The communication module, which is used to receive, is ordered, and signal corresponding to reception order is uploaded into the control module, institute
State control module be used for export close a floodgate allow signal, feed motion signal, separating brake permission signal, one in separating brake action signal
Or multiple signals, each signal cooperates or the independent control disconnecting link drive device, so that the disconnecting link drive device
Switch mechanism is controlled to perform combined floodgate or separating brake action.
Alternatively, the communication module includes N number of communication interface, and the N is natural number.
Alternatively, the control module includes M processor, and the M is natural number.
Alternatively, any one processor in M described processor can be connected to appointing in N number of communication interface
One or more interface.
Alternatively, the disconnecting link drive device is used to receive 1 to x separating brake permission signal that the M processor is sent
Or separating brake action signal, allow signal or separating brake action signal to do logical AND processing described 1 to x separating brake, when described 1 to x
When individual separating brake permission signal and separating brake action signal export effective status, the separating brake driving circuit in the disconnecting link drive device
Conducting, and then control the switch mechanism to perform separating brake action, the x is natural number.
Alternatively, the disconnecting link drive device is used to receive 1 to y permission signal that closes a floodgate that the M processor is sent
Or feed motion signal, described 1 to y, which is closed a floodgate, allows signal or feed motion signal to do logical AND processing, when described 1 to y
When individual combined floodgate permission signal and feed motion signal export effective status, the combined floodgate driving circuit in the disconnecting link drive device
Conducting, and then control the switch mechanism to perform feed motion, the y is natural number.
Alternatively, in addition to disconnecting link position indicator, described disconnecting link position indicator are used to indicate switch mechanism
Disconnecting link current state, and send the disconnecting link status signal to control module；
The control module is used for the disconnecting link status signal sent according to the disconnecting link position indicator and described logical
Believe that the signal that module is sent carries out signal output.
The technical solution of the utility model has advantages below：By switch mechanism operation needed for various information, by mounted in
The processor of switch operation mechanism case is directly handled, and switch mechanism just can be independently performed by switch operation mechanism case respectively
Item control function, and switch board and a large amount of cables independent of outside, this will simplify the secondary control loop of disconnecting link structure, carry
The high reliability and security of switch mechanism.Meanwhile the installation and debugging process for whole switch mechanism can also become simple,
Plug and play can be realized, because switch operation mechanism case has very high intelligent, outside need not be connected during installation and debugging
A large amount of wiring, greatly improve the efficiency of debugging and installation, debugging in transformer station in factory.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments described in the utility model embodiment, for those of ordinary skill in the art, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the schematic diagram of the utility model switch operation mechanism case；
Fig. 2 a and Fig. 2 b are two kinds of embodiment schematic diagrams of the utility model communication interface；
Fig. 3 is the embodiment schematic diagram of the utility model signal redundancy processing scheme；
Fig. 4 signals between the utility model control module and disconnecting link drive device connect embodiment schematic diagram；
Fig. 5 is the utility model point/embodiment schematic diagram of combined floodgate driving circuit one；
Fig. 6 is the utility model point/another embodiment schematic diagram of combined floodgate driving circuit；
Fig. 7 a and Fig. 7 b are the utility model point/combined floodgate driving circuit another embodiment schematic diagram；
Fig. 8 a and Fig. 8 b are the utility model point/another embodiment schematic diagram of combined floodgate driving circuit；
Fig. 9 is the utility model disconnecting link drive device embodiment schematic diagram.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, below in conjunction with this
Accompanying drawing in utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows
So, described embodiment is only the utility model embodiment part of the embodiment, rather than whole embodiments.Based on this reality
The every other embodiment obtained with the embodiment in new embodiment, those of ordinary skill in the art, it should all belong to this
The scope of utility model embodiment protection.
Further illustrate that the utility model embodiment implements with reference to the utility model embodiment accompanying drawing.
Referring to Fig. 1, the utility model embodiment provides a kind of switch operation mechanism case, including：Communication module A1, control mould
Block A2, disconnecting link drive device A3, and the power module powered for the communication module A1 and control module A2；
The communication module A1, which is used to receive, to be ordered, and signal corresponding to reception order is uploaded into the control module
A2, the control module A2, which are used to export to close a floodgate, allows signal, feed motion signal, separating brake to allow signal, separating brake action signal
One or more of signal, each signal cooperates or the independent control disconnecting link drive device A3, so that the knife
Lock drive device A3 control switch mechanisms perform combined floodgate or separating brake action.
It should be noted that order is sent by the operation terminal of outside, such as close a floodgate order or separating brake order, communicate mould
Block A1 receives the order sent from outside and uploads to control module A2.
Communication module A1 described in the utility model includes the communication interface of N number of redundancy, and the N is natural number.The communication
Interface can use electric communication interface, such as RS485, RS422,10/100/1000Base-T network interface；Or optical fiber leads to
Believe interface, such as 10/100/1000Base-Fx fiber optic Ethernets interface.External signal can be total by electric bus or optical fiber
Line accesses the communication interface of the communication module A1, while the signal in the mechanism case can also pass through the communication interface pair
Outer transmission.
Fig. 2 a and Fig. 2 b are two kinds of embodiment schematic diagrams of the utility model communication interface.Referring to Fig. 2 a, the communication mould
The n communication interface that block A1 includes redundancy corresponds with communication media.Referring to Fig. 2 b, the communication module A1 includes redundancy
N communication interface shared communication medium, after signal of communication access mechanism case, each communication is electrically connected to simultaneously and is connect
Mouthful.
Control module A2 described in the utility model includes the processor of M redundancy, and the M is natural number.Referring to Fig. 1, institute
State N number of communication interface and be connected to the M processor.When the communication interface is 1, M processor shares 1 communication and connect
Mouthful；When communication interface is multiple, the M processor is connected with wherein any (one or more) communication interface respectively.
Referring to Fig. 3, embodiments of the communication module A1 containing the scheme of 2 communication interfaces, control module A2 containing 2 processors.2
Individual communication interface each provides data to corresponding processor, and processor each provides independent order output to follow-up control
Loop, disconnecting link position instruction move device A4 and provide the disconnecting link status signal of monitoring to processor.In this embodiment, mould is controlled
Block A2 moves the disconnecting link status signal of device A4 transmissions according to disconnecting link position instruction and the signal of communication module A1 transmissions carries out letter
Number output.
It should be noted that disconnecting link current states of the dynamic device A4 of disconnecting link position instruction for indicating switch mechanism, and to
Control module A2 sends the disconnecting link status signal.Disconnecting link current state is in "on" position including disconnecting link or disconnecting link is in separating brake
State, correspondingly, disconnecting link status signal include disconnecting link "on" position signal or disconnecting link gate-dividing state signal.
Referring to Fig. 4, control module A2 M processor of bag, the M processor is arbitrarily connected to 1 in N number of communication interface
It is individual or multiple, realize communication interface and the redundancy of processor.The M processor passes through connected communication interface reception point
Lock or order of closing a floodgate, gather one or more in the status signal that the interior element offer of the mechanism such as device A4 is provided by disconnecting link position instruction
Individual signal.Through M processor handle respectively it is comprehensive after, each processor can export combined floodgate allow signal, feed motion signal,
Separating brake allows one or more of signal, separating brake action signal signal, and each signal can cooperate or independent control institute
Separating brake driving circuit in switch operation mechanism case, the break-make of combined floodgate driving circuit are stated, so as to control switch mechanism to perform combined floodgate
Or separating brake action.
Specifically, what disconnecting link drive device A3 was sent by 1 to M processor 1 allows signal or separating brake to act letter to x separating brakes
Number control, separating brake action completed by separating brake driving circuit.Multiple separating brakes allow signal or separating brake action signal at 1 to M
One or more of device processor is managed, when these separating brakes allow signal and separating brake action signal to be in effective status, point
Lock driving circuit turns on, the contactor action of driving separating brake, and then realizes that switch mechanism performs separating brake action, and so-called effective status is
Represent that disconnecting link separating brake driving circuit needs to act when corresponding processor drive signal is in the state.
Specifically, 1 to the y combined floodgate that disconnecting link drive device A3 is sent by 1 to M processor allows signal or feed motion to believe
Number control, feed motion completed by combined floodgate driving circuit.Multiple close a floodgate allows signal or feed motion signal at 1 to M
One or more of device processor is managed, when these combined floodgates allow signal and feed motion signal to be in effective status, is closed
Lock driving circuit turns on, driving closing contactor action, and then realizes that switch mechanism performs feed motion, and so-called effective status is
Represent that disconnecting link driving circuit needs to act when corresponding processor drive signal is in the state.
The disconnecting link position indicator A4 of the utility model embodiment and the connection signal of other parts is also presented in Fig. 4.
Disconnecting link position indicator A4 coordinates with switch mechanism, and it is generally realized by the auxiliary switch of disconnecting link, can be intuitively outside
Portion expresses the status information of disconnecting link, while the positional information of disconnecting link can also be provided to its built-in function mechanism case, i.e., to place
Manage device and send the outside transmission of disconnecting link positional information or as calculation condition, or connect and form logic blocking into secondary control loop
Software.Disconnecting link position indicator A4 is not limited to the auxiliary switch of disconnecting link, also includes the row for being able to record motor A7 rotation processes
Cheng Kaiguan.Point/closing contactor coil control circuit in the auxiliary switch that seals in, can also be substituted with travel switch.
In a kind of possible implementation, disconnecting link drive device includes：Combined floodgate driving circuit, separating brake driving circuit, electricity
Machine control loop.Wherein, combined floodgate driving circuit be used for according to the break-make of disconnecting link energization control signal controlled motor control loop with
Rotate forward motor control loop controlled motor；Separating brake driving circuit is used to be controlled back according to disconnecting link separating brake control signal controlled motor
The break-make on road is so that motor control loop control electricity reversion；Motor control loop is used for controlled motor forward or reverse.And then work as
When motor rotates forward, feed motion is performed with the switch mechanism of motor drive connection, when motor reversal, with motor drive connection
Switch mechanism performs separating brake action.Wherein, disconnecting link energization control signal, which includes closing a floodgate, allows signal and feed motion signal；Disconnecting link
Separating brake control signal, which includes separating brake, allows signal and separating brake action signal.
Fig. 5 is the utility model point/embodiment schematic diagram of combined floodgate driving circuit one；Fig. 6 is the utility model point/drive of closing a floodgate
The dynamic another embodiment schematic diagram in loop；Fig. 7 a and Fig. 7 b are the utility model point/combined floodgate driving circuit another embodiment schematic diagram；
Fig. 8 a and Fig. 8 b are the utility model point/another embodiment schematic diagram of combined floodgate driving circuit.
Embodiment illustrated in fig. 5, controlled by two signals by conducting of the "AND" logic to separating brake or combined floodgate driving circuit
System, two signals may come from 1 processor, can be from two processors.Its specific implementation method is：Signal
Wherein, 1st, signal 2 (signal 1 and signal 2 can be two separating brake permission/action signals or combined floodgate permission/action signal) drives
Each independent relay (or electronic switch loop), (or electronic switch loop is defeated for the auxiliary contact of in check relay
Go out loop) series connection, when two separating brake permission/action signals or effective combined floodgate permission/action signal, where relay coil
Circuit behavior, loop conducting where separating brake/closing contactor, disconnecting link drive device A3 control switch mechanisms perform separating brake or conjunction
Lock.
Embodiment illustrated in fig. 6, (wherein, signal 1 and signal 2 can be two separating brake permission/action signals for signal 1, signal 2
Or combined floodgate permission/action signal) positive supply of same relay (or electronic switch loop) and leading for negative supply are controlled respectively
Logical, the auxiliary contact (or the output loop in electronic switch loop) of in check relay where separating brake/closing contactor with returning
Road is connected, when two separating brake permission/action signals or effective combined floodgate permission/action signal, loop where relay coil
Action, loop conducting where separating brake/closing contactor, disconnecting link drive device A3 control switch mechanisms perform separating brake or closed a floodgate dynamic
Make.
Fig. 7 a and Fig. 7 b, Fig. 8 a and Fig. 8 b illustrated embodiments, on the basis of Fig. 5, embodiment illustrated in fig. 6, connect in separating brake
The coil of tentaculum seals in the normally closed auxiliary contact of disconnecting link "on" position, loop where the coil in closing contactor in the loop
In seal in the normally closed auxiliary contact of disconnecting link gate-dividing state.When disconnecting link separating brake or in-place closing, disconnecting link "on" position it is normally closed auxiliary
The normally closed auxiliary contact of contact or disconnecting link gate-dividing state is helped to disconnect, so as to disconnect the coil of separating brake contactor place loop or combined floodgate
The electric current in loop where the coil of contactor, the auxiliary contact of the relay shown in the protection implement example, in order to avoid arcing cause after
The auxiliary contact scaling loss of electrical equipment.
It should be noted that the relay in the accompanying drawing such as Fig. 5, Fig. 6, Fig. 7 a, Fig. 7 b, Fig. 8 a, Fig. 8 b, including relay
The normally opened auxiliary contact of coil and relay, the loop where the coil of relay turn under the control of signal 1 or signal 2,
Loop where the normally opened auxiliary contact of relay be used for the coil or separating brake contactor for controlling closing contactor coil whether
Obtain electric.
Generally, for combined floodgate driving circuit, separating brake driving circuit, no less than 2 signals of selection, which coordinate, to be controlled
System.Each processor can computing export one or more of above-mentioned control signal signal, this is specific with processor
Function distribution is related, in the scope of protection of the utility model.Alternative embodiment is：Separating brake allows signal, closing a floodgate allows
Signal is a shared signal, referred to as enabling signal, other processors output point/feed motion signal, is only starting letter
In the case of number effective, point/output of feed motion signal can just work, the embodiment is also in protection of the present utility model
Scope.
Fig. 9 is the schematic diagram of the disconnecting link drive device of the utility model embodiment, when the coil of closing contactor obtains electric, electricity
The normally opened contact closure of closing contactor in machine A7 control loops, loop conductings of the motor A7 through closing contactor, motor A7 is just
Turn, under motor A7 drive, switch mechanism performs feed motion.Similarly, when the coil of separating brake contactor is powered, motor A7 is returned
The normally opened contact closure of separating brake contactor in road, loop conductings of the motor A7 through separating brake contactor, motor A7 reversions, in motor A7
Drive under, switch mechanism perform separating brake action.
It should be noted that the VCC in the accompanying drawing such as Fig. 5, Fig. 6, Fig. 7 a, Fig. 7 b, Fig. 8 a, Fig. 8 b, Fig. 9 represents work electricity
Source, VCC working powers can by the present embodiment power module provide, can also external working power, the utility model is not
It is limited.Meanwhile the operation power in above-mentioned accompanying drawing also illustrates that working power, operation power can be by the power supply in the present embodiment
Module provides, can also external working power, the utility model is not limited.In addition, the motor power in Fig. 9 can be by this reality
Power module in example is applied to provide, can also external working power, the utility model is not limited.
Certainly, implementing any technical scheme of the utility model embodiment must be not necessarily required to reach all of the above simultaneously
Advantage.
(set it will be understood by those skilled in the art that the embodiment of the utility model embodiment can be provided as method, apparatus
It is standby) or computer program product.Therefore, the utility model embodiment can use complete hardware embodiment, complete software to implement
The form of embodiment in terms of example or combination software and hardware.Moreover, the utility model embodiment can be used in one or more
The computer-usable storage medium for wherein including computer usable program code (includes but is not limited to magnetic disk storage, CD-
ROM, optical memory etc.) on the form of computer program product implemented.
The utility model embodiment is with reference to the method, apparatus (equipment) and computer journey according to the utility model embodiment
The flow chart and/or block diagram of sequence product describes.It should be understood that can be by computer program instructions implementation process figure and/or square frame
Each flow and/or square frame in figure and the flow in flow chart and/or block diagram and/or the combination of square frame.This can be provided
A little computer program instructions are to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices
Processor to produce a machine so that pass through computer or the finger of the computing device of other programmable data processing devices
Order, which produces, to be used to realize what is specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device of function.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model embodiment scope.Obviously, this area
Technical staff can carry out the essence of various changes and modification without departing from the utility model embodiment to the utility model embodiment
God and scope.So, if these modifications and variations of the utility model embodiment belong to the utility model embodiment right and wanted
Ask and its equivalent technologies within the scope of, then the utility model embodiment be also intended to comprising these change and modification including.
Claims (6)
- A kind of 1. switch operation mechanism case, it is characterised in that including：Communication module, control module, disconnecting link drive device, and The power module powered for the communication module and control module；The communication module, which is used to receive, is ordered, and signal corresponding to reception order is uploaded into the control module, the control Molding block, which is used to export to close a floodgate, allows signal, feed motion signal, separating brake to allow one or more in signal, separating brake action signal Individual signal, each signal cooperates or the independent control disconnecting link drive device, so that the disconnecting link drive device controls Switch mechanism performs combined floodgate or separating brake action；The switch operation mechanism case also includes disconnecting link position indicator, and described disconnecting link position indicator is used to indicate knife The disconnecting link current state of brake mechanism, and send the disconnecting link status signal to control module；The control module is used for the disconnecting link status signal sent according to the disconnecting link position indicator and the communication mould The signal that block is sent carries out signal output.
- 2. operating mechanism box according to claim 1, it is characterised in that the communication module includes N number of communication interface, institute It is natural number to state N.
- 3. operating mechanism box according to claim 2, it is characterised in that the control module includes M processor, described M is natural number.
- 4. operating mechanism box according to claim 3, it is characterised in that any one processing in M described processor Device can be connected to any one or multiple interfaces in N number of communication interface.
- 5. operating mechanism box according to claim 4, it is characterised in that the disconnecting link drive device is used to receive the M 1 to x separating brake that individual processor is sent allows signal or separating brake action signal, allows signal or separating brake to described 1 to x separating brake Action signal does logical AND processing, when described 1 to x separating brake allows signal and separating brake action signal to export effective status, Separating brake driving circuit conducting in the disconnecting link drive device, and then control the switch mechanism to perform separating brake action, the x is Natural number.
- 6. operating mechanism box according to claim 4, it is characterised in that the disconnecting link drive device is used to receive the M 1 to y close a floodgate permission signal or the feed motion signal that individual processor is sent, described 1 to y, which is closed a floodgate, allows signal or combined floodgate Action signal does logical AND processing, when described 1 to y, which is closed a floodgate, allows signal and feed motion signal to export effective status, Combined floodgate driving circuit conducting in the disconnecting link drive device, and then control the switch mechanism to perform feed motion, the y For natural number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164338.XU CN206921701U (en) | 2017-02-23 | 2017-02-23 | Switch operation mechanism case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164338.XU CN206921701U (en) | 2017-02-23 | 2017-02-23 | Switch operation mechanism case |
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| Publication Number | Publication Date |
|---|---|
| CN206921701U true CN206921701U (en) | 2018-01-23 |
Family
ID=61310478
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| CN201720164338.XU Active CN206921701U (en) | 2017-02-23 | 2017-02-23 | Switch operation mechanism case |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653420A (en) * | 2017-02-23 | 2017-05-10 | 苏州云电电力科技有限公司 | Disconnecting link operation mechanism box |
| CN112039199A (en) * | 2020-07-27 | 2020-12-04 | 深圳供电局有限公司 | Remote control system and method for disconnecting link of transformer substation |
-
2017
- 2017-02-23 CN CN201720164338.XU patent/CN206921701U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653420A (en) * | 2017-02-23 | 2017-05-10 | 苏州云电电力科技有限公司 | Disconnecting link operation mechanism box |
| CN112039199A (en) * | 2020-07-27 | 2020-12-04 | 深圳供电局有限公司 | Remote control system and method for disconnecting link of transformer substation |
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