CN110391602A - Automatic switch cabinet - Google Patents
Automatic switch cabinet Download PDFInfo
- Publication number
- CN110391602A CN110391602A CN201910810221.8A CN201910810221A CN110391602A CN 110391602 A CN110391602 A CN 110391602A CN 201910810221 A CN201910810221 A CN 201910810221A CN 110391602 A CN110391602 A CN 110391602A
- Authority
- CN
- China
- Prior art keywords
- trolley
- switch
- grounding switch
- linear motor
- transmission mechanism
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- 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
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The present embodiments relate to power supply and distribution technical fields, more particularly to one kind present applicant proposes a kind of automatic switch cabinet, the switchgear includes: vacuum circuit breaker, trolley, grounding switch, control unit, trolley transmission mechanism and grounding switch transmission mechanism and locking linkage mechanism；Described control unit, for receiving the control instruction of distal end；And control instruction is sent to the switch drive, trolley transmission mechanism and grounding switch transmission mechanism according to the control instruction, with control switch, the division of trolley (disconnecting switch) and grounding switch；To realize the conversion of the working condition of the switchgear.The application has been changed to manual operation and has been automatically brought into operation；The automatization level for improving switchgear avoids the security risk as caused by manual operation in the prior art, improves safety, reliability, save human cost, has huge practical value and economic benefit.
Description
Technical field
The present embodiments relate to power supply and distribution technical fields, and in particular to a kind of automatic switch cabinet.
Background technique
The behaviour of operation in existing distribution complete set of equipments, such as trolley, that is, disconnecting switch, electrical verification and grounding switch
Make, needs that O&M operator is notified to be manually operated on the spot to distribution scene is become.Need great human cost, and efficiency
It is low, and accidentally drawing, accidentally closing, be strayed into the major safety risks such as interval.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of automatic switch cabinet, to improve automatization level.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, present applicant proposes a kind of automatic switch cabinet, the switchgear includes:
Vacuum circuit breaker, trolley, grounding switch, control unit, trolley transmission mechanism and grounding switch transmission mechanism and locking gear
Structure；
The trolley transmission mechanism is promoted or is retreated for driving trolley to realize；
The grounding switch transmission mechanism, for driving the grounding switch to close a floodgate or separating brake；
Described control unit, for receiving the control instruction of distal end；And it is disconnected to the vacuum according to the control instruction
Road device, trolley transmission mechanism and grounding switch transmission mechanism send control instruction, to control vacuum circuit breaker, trolley and earthing
The division of lock；To realize the conversion of the working condition of the switchgear.
Further, the working condition of the automatic switch cabinet includes: operation, stand-by heat, cold standby and maintenance；
When the working condition is operation, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker closes
It closes；
When the working condition is stand-by heat, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker
It disconnects；
When the working condition is cold standby, the grounding switch separating brake；Trolley is located at the second position；Vacuum circuit breaker
It disconnects；
When the working condition is maintenance, grounding switch closes a floodgate, trolley is located at the second position；Vacuum circuit breaker disconnects.
Further, the trolley transmission mechanism includes: driving motor；
When the driving motor of the trolley rotates in the forward direction, driving trolley advances；
When the driving motor of the trolley reversely rotates, driving trolley is retreated.
Further, the trolley transmission mechanism further include: clutch；
When the clutch is in gearing state, the trolley transmission mechanism is in distance control mode；
When the clutch, which is in, does not interlock state, the trolley transmission mechanism is in manual operation mode.
Further, the driving motor is decelerating motor.
Further, the grounding switch transmission mechanism includes:
Linear motor and linear motor push rod；One end of the linear motor push rod is connected with transmission chain by oscillating bearing
The first end of extension bar；The second end of the driving connecting rod connects the grounding switch；When the linear motor is powered to first
When direction moves, the linear motor push rod is driven to move to the direction far from the grounding switch, the linear motor push rod
The transmission chain extension bar is pulled, the driving connecting rod pulls the grounding switch to close a floodgate；
When the linear motor is moved to second direction, drive the linear motor push rod to close to the grounding switch
Direction movement, the linear motor push rod pushes the transmission chain extension bar, and the driving connecting rod pushes the grounding switch,
The grounding switch separating brake.
It further, further include exiting limit switch and push-in limit switch；
It is described to exit limit switch and be pushed into the power supply that limit switch has been separately connected the linear motor, for controlling
State linear motor power on/off；When it is described exit limit switch or push-in limit switch closure when, the linear motor is powered, and works as institute
It states and exits limit switch or when push-in limit switch disconnects, linear motor power-off；
The other end of the linear motor push rod is provided with stroke detent rail；
The position of limit switch is exited described in moving to when the stroke detent rail, exits limit switch by closing described in triggering
Conjunction is gone off；So that linear motor powers off；
When the stroke detent rail moves to the position of the push-in limit switch, limit switch is exited by closing described in triggering
Conjunction is gone off；So that linear motor powers off.
Further, further include monitoring device, carry out status monitoring for grounding switch, the trolley to inside switch cabinet；
And the result of monitoring is sent to distal end.
Further, the monitoring device is infrared wide-angle camera, to detect the fever and folding of grounding switch
Lock state；And the position of trolley；And image detection and dsc data are sent to remote control terminal.
The present invention has the advantage that
1. not by signal interference complete independently whole operation process after receiving instruction；
2. operation signal instruction is concise, monitor on duty need to only issue single operation instruction, and switchgear is completed immediately
All operationss task；
It accidentally draws as caused by manual operation, accidentally close, being strayed into the serious accidents such as interval 3. avoiding；
4. reducing transmission or not operating time (transmission or not operation can be completed in 1 minute)；
Safety, reliability are improved, human cost is saved, there is huge practical value and economic benefit.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is a kind of structural schematic diagram of automatic switch cabinet provided in an embodiment of the present invention；
Fig. 2 is a kind of automatic switch cabinet operating status structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of automatic switch cabinet inspecting state structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of front view of automatic switch cabinet provided in an embodiment of the present invention；
Fig. 5 is a kind of control principle drawing provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The essential characteristic of intelligent power grid technology is the informationization of switchgear, automation and interactive, but it is existing in
Pressure or high voltage power distribution complete set of equipments integrated automation level are low, and the operation such as disconnecting switch, electrical verification and grounding switch will notify to transport
Dimension operator is manually operated on the spot to distribution scene is become.Efficiency is reduced, and increases human cost.Inside high-tension switch cabinet
Essential electrical original part be vacuum circuit breaker, the original part of auxiliary includes grounding switch, trolley, that is, disconnecting switch；Earthing
Lock includes closing a floodgate and disconnecting two states；Trolley includes insertion disconnecting switch and extraction disconnecting switch two states；When route event
Barrier when needing switchgear entering inspecting state, can only notify maintenance personnel to feel scene in existing medium-voltage distribution equipment and technology,
It is completed by manpower to live manual operations.Personnel, which are on the scene, to waste time, and debugs by hand, and that there are considerable safeties is hidden for operation
Suffer from, efficiency is also low.
Based on this, present applicant proposes a kind of automatic switch cabinets, the structural representation of automatic switch cabinet referring to figure 1
Figure, the switchgear include: that vacuum circuit breaker, trolley, grounding switch, control unit, trolley transmission mechanism and grounding switch pass
Motivation structure and locking linkage mechanism；
The trolley transmission mechanism is promoted or is retreated for driving trolley to realize；
The grounding switch transmission mechanism, for driving the grounding switch to close a floodgate or separating brake；
Described control unit, for receiving the control instruction of distal end；And it is disconnected to the vacuum according to the control instruction
Road device, trolley transmission mechanism and grounding switch transmission mechanism send control instruction, to control vacuum circuit breaker, trolley and earthing
The division of lock；To realize the conversion of the working condition of the switchgear.
Wherein, earthing switch can select JN15-12 type earthing switch.
The switchgear of the application, has been changed to manual operation and has been automatically brought into operation；It avoids and is drawn in the prior art by manual operation
The security risk risen, improves safety, reliability, saves human cost, has huge practical value and economic benefit.
The automatic switch cabinet of the application can be used in intelligent substation, unattended substation and industrial and mining enterprises' electric power system power distribution,
The effects of on-off, control or protection.
Wherein, the working condition of the automatic switch cabinet includes: operation, stand-by heat, cold standby and maintenance；
When the working condition is operation, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker closes
It closes；
When the working condition is stand-by heat, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker
It disconnects；
When the working condition is cold standby, the grounding switch separating brake；Trolley is located at the second position；Vacuum circuit breaker
It disconnects；
When the working condition is maintenance, grounding switch closes a floodgate, trolley is located at the second position；Vacuum circuit breaker disconnects.
The sequence of working condition are as follows: operation, stand-by heat, cold standby, maintenance.
It can control the mutual conversion of two adjacent working conditions, for example use cold standby from hot standby, or from cold standby
Use stand-by heat.From maintenance to operation, or from run to maintenance.Using mechanical+electrical between two adjacent working conditions
Double lockings are to carry out, to improve safety.It realizes switchgear full-automatic operation, that is, is automatically performed: 4 kinds of working conditions, 12 kinds of works
The conversion operation of operation mode.
Referring to the schematic diagram of attached inspecting state shown in Fig. 3 and the schematic diagram of attached operating status shown in Fig. 2,
The trolley transmission mechanism includes: driving motor；
When the driving motor of the trolley rotates in the forward direction, driving trolley advances；Trolley proceeds to first position, such as Fig. 2 institute
The position shown；
When the driving motor of the trolley reversely rotates, driving trolley is retreated；Trolley backs to the second position, such as Fig. 3 institute
The position shown.
The trolley transmission mechanism further include: clutch；
When the clutch is in gearing state, the trolley transmission mechanism is in distance control mode；
When the clutch, which is in, does not interlock state, the trolley transmission mechanism is in manual operation mode.
The state of clutch can be set, so that realizing both of which free switching.
Preferably, the driving motor is decelerating motor.
Wherein, toothed gearing electric motor saves space, reliability and durability, bears overload capacity height, low energy consumption, and superior performance subtracts
Fast engine efficiency is up to 95% or more；High-quality section of Steel material manufacture, ferrosteel cabinet, gear surface are heat-treated by high frequency；Through
Precision machined approved product is crossed, the service life is long.
Referring to attached drawing 3, the grounding switch transmission mechanism includes: linear motor and linear motor push rod；The straight-line electric
One end of machine push rod is connected with the first end of transmission chain extension bar by oscillating bearing；The second end of the driving connecting rod connects institute
State grounding switch；When the linear motor, which is powered, to be moved to first direction, drive the linear motor push rod to far from described
The direction of grounding switch moves, the linear motor push rod pulling transmission chain extension bar, described in the driving connecting rod pulling
Grounding switch closes a floodgate；
When the linear motor is moved to second direction, drive the linear motor push rod to close to the grounding switch
Direction movement, the linear motor push rod pushes the transmission chain extension bar, and the driving connecting rod pushes the grounding switch,
The grounding switch separating brake.
It further include exiting limit switch and push-in limit switch；
It is described to exit limit switch and be pushed into the power supply that limit switch has been separately connected the linear motor, for controlling
State linear motor power on/off；When it is described exit limit switch or push-in limit switch closure when, the linear motor is powered, and works as institute
It states and exits limit switch or when push-in limit switch disconnects, linear motor power-off；
The other end of the linear motor push rod is provided with stroke detent rail；
The position of limit switch is exited described in moving to when the stroke detent rail, exits limit switch by closing described in triggering
Conjunction is gone off；So that linear motor powers off；
When the stroke detent rail moves to the position of the push-in limit switch, limit switch is exited by closing described in triggering
Conjunction is gone off；So that linear motor powers off.
Further include monitoring device, carries out status monitoring for grounding switch, the trolley to inside switch cabinet；And it will monitoring
Result be sent to distal end.
Preferably, the monitoring device is infrared wide-angle camera, to detect fever and the earthing of grounding switch
The switching state of lock；And the location drawing picture of trolley；The image and dsc data that detect are sent to remote control terminal.
Fig. 4 is front view, and switchgear further includes blocking device.Blocking device includes linear bearing, locking chain bar.In cabinet body
Outer surface is also provided with the indicator light of multiple operating statuses；It is also provided with multi-functional ammeter, comprehensive self-shield device and band
Photodetector.
The control unit of following the application is described below, referring to attached control principle drawing shown in fig. 5；
Control unit includes: receiving unit and state cell；The receiving unit is connected with state cell；
Receiving unit, the signal instruction sent for receiving distal end；
State cell, it is described to realize for controlling vacuum circuit breaker, trolley and grounding switch according to the signal instruction
The switching of the working condition of switchgear；The state of the switchgear includes: operation, stand-by heat, cold standby and maintenance.
State cell includes one or more below: running unit, stand-by heat unit, cold standby unit and maintenance are single
Member；
The receiving unit includes the first receiving unit, the second receiving unit, third receiving unit and the 4th receiving unit；
First receiving unit connects the running unit；Wherein, including endpoint 1,2；
Second receiving unit connects the stand-by heat unit；Wherein, including endpoint 3,4；
The third receiving unit connects the cold standby unit；Wherein, including endpoint 5,6；
4th receiving unit connects the maintenance unit.Wherein, including endpoint 7,8；
The running unit includes at least: operation keeps circuit and closing circuit；
The operation keeps circuit to include concatenated operation relay K1, run the normally opened contact K1-2 of relay K1 and small
The normally-closed contact QF1-1 in interior portion；
When the operation relay K1 obtains electric, normally opened contact K1-2 becomes being closed from disconnection, the normally closed touching of car interior
When point QF1-1 is remained closed, operation keeps circuit enabled；
The closing circuit include the closing coil of concatenated vacuum circuit breaker, grounding switch normally-closed contact GD1-3 and
The normally-closed contact SQ1-2 of limit switch；
When the normally-closed contact GD1-3 of the grounding switch, the normally-closed contact SQ1-2 of the limit switch and vacuum circuit breaker
Closing coil electrification when, closing circuit is enabled, and the vacuum circuit breaker closes a floodgate.
The stand-by heat unit includes at least: stand-by heat keeps circuit and sub-gate circuit；
It includes concatenated that the stand-by heat, which keeps circuit: the normally opened contact of stand-by heat relay K2, stand-by heat relay K2
Normally opened contact QF1-2 in K2-2 and trolley；
When the stand-by heat relay K2 obtains electric, the normally opened contact K2-2 of stand-by heat relay K2 becomes being closed from disconnection
When and trolley in normally opened contact QF1-2 closure when, stand-by heat keeps circuit enabled；
The sub-gate circuit includes the opening coil and the first parallel units group of concatenated vacuum circuit breaker；
The parallel units group includes normally opened contact K2-4, the cold standby relay K3 of stand-by heat relay K2 in parallel
The normally opened contact K4-4 of the normally opened contact K3-4 and maintenance relay K4 and normally opened contact KM2-2 for exiting relay；
Appointing when the opening coil of the vacuum circuit breaker obtains electric and in described K2-4, K3-4, K4-4 and KM2-2
When what closure, the sub-gate circuit is enabled, the vacuum circuit breaker separating brake.
The cold standby unit includes at least: trolley exits circuit, trolley driving motor circuit and trolley and promotes circuit；
Trolley driving motor circuit includes that the normally opened of relay KM 2 is exited in trolley driving motor M1, positive control
The normally opened contact of the propulsion relay KM1 of contact and Reverse Turning Control；
When the normally opened contact closure for exiting relay KM 2, the motor is reversely rotated；Driving trolley exits；
When the normally opened contact closure for promoting relay KM 1, the motor is rotated in the forward direction, and driving trolley promotes；
It includes concatenated that the trolley, which exits circuit: trolley drive motor exit relay KM 2, limit switch it is normal
Normally opened contact QF1-5, the second parallel units group in closed contact SQ2-1, trolley；
The second parallel units group includes: the normally opened contact K3-6 and maintenance relay of cold standby relay K3 in parallel
The normally opened contact K4-6 of K4；
When the normally-closed contact SQ2-1 of the limit switch is remained closed, the normally opened contact QF1-5 in trolley becomes from opening
Closure；And in the normally opened contact K3-6 and normally opened contact K4-6 when any one closure, so that exiting relay KM
2 coil obtain it is electric, so that trolley be driven to be withdrawn into first position；
It includes concatenated that trolley, which promotes circuit: being promoted in relay KM 1, the normally-closed contact of limit switch SQ1-1, trolley
Normally-closed contact QF1-3, grounding switch normally-closed contact GD1-5, third parallel units；
The third parallel units include the normal of the normally opened contact K1-6 for running relay and cold standby relay in parallel
Open contact K2-8；
When any one in the normally opened contact K1-6 of the operation relay and the normally opened contact K2-8 of cold standby relay
When closure, the propulsion circuit conducting so that KM1 obtain it is electric so that trolley promote.
The maintenance unit includes at least:
Maintenance keeps circuit, grounding switch sub-gate circuit, grounding switch driving motor circuit and grounding switch closing circuit；
It is described maintenance keep circuit include concatenated: maintenance relay K4, overhaul relay K4 normally opened contact K4-2 and
Grounding switch normally-closed contact GD1-1；
When the maintenance relay obtain it is electric, overhaul relay K4 normally opened contact K4-2 from disconnection become closure when, it is described
Maintenance keeps circuit enabled；
Grounding switch sub-gate circuit includes concatenated: the normally-closed contact for promoting relay KM4, limit switch of driving motor
SQ4-1 and the 4th parallel units；
4th parallel units include normally opened contact K1-6, the stand-by heat relay normally open of operation relay K1 in parallel
The normally opened contact K3-8 of contact K2-8 and cold standby relay；
When normally opened contact K1-6, stand-by heat relay normally open contact K2-8 and the cold standby relay of the operation relay K1
In the normally opened contact K3-8 of device when any one closure, the propulsion relay KM4 of the driving motor obtains electric, driving motor turn
It is dynamic, grounding switch separating brake；
Grounding switch driving motor circuit, including concatenated: grounding switch driving motor M2's and separating brake relay KM4 is normal
Open the normally opened contact of contact and closing relay KM3；
When the normally opened contact of separating brake relay KM4 closure, the grounding switch driving motor is rotated in the forward direction, driving
Grounding switch separating brake；
When the normally opened contact of closing relay KM3 closure, the grounding switch driving motor is reversely rotated, driving
Grounding switch closes a floodgate；
Grounding switch closing circuit includes at least concatenated: the normally closed touching in the maintenance normally opened contact of relay K4, trolley
Point QF1-7, the normally-closed contact SQ2-3 of limit switch, the normally-closed contact SQ3-1 of limit switch, normally-closed contact DXN-1, close a floodgate after
Electric appliance KM3；
When the normally opened contact closure of the maintenance relay K4, when closing relay KM3 obtains electric, grounding switch closes a floodgate.
State cell further includes power supply unit, and the receiving unit further includes the 5th receiving unit；The power supply unit connects
Connect the 5th receiving unit.
The process of state conversion is introduced in citing below:
It is transported and is gone by stand-by heat: when 3,4 receive the signal that distal end is sent, high level is connected, so that K1 relay connects
It receives instruction closure → normally opened contact K1-2 closure → DG1-3 → QS1-2 → RQ closing coil starting → QF1-1 to disconnect, K1 decompression
Reset → closing success enters operating status；
It is transported and is gone by cold standby: when 3,4 receive the signal that distal end is sent, high level is connected, so that K1 relay connects
It receives instruction closure → normally opened contact K1-2 closure → normally opened contact K1-4 closure → KM1 closure → M1 Positive work and enters stand-by heat
→ SQ1-1 disconnection → DG1-3 → QS1-2 → RQ closing coil starting → QF1-1 disconnects, relay K1 decompression reset → combined floodgate at
Function enters operating status；
By maintenance transhipment row: when 3,4 receive the signal that distal end is sent, high level is connected, so that K1 relay receives
Instruct closure → normally opened contact K1-2 closure → normally opened contact K1-6 closure → relay C4 contact closure → M2 antiport
Enter stand-by heat → SQ1-1 disconnection → DG1-3 → QS1- into cold standby → relay KM1 contact closure → M1 Positive work
2 → RQ closing coil starting → QF1-1 is disconnected, K1 decompression reset → closing success, into operating status；
Stand-by heat is turned by operation: when 5,6 receive the signal that distal end is sent, high level is connected, so that K2 relay connects
It receives instruction closure → normally opened contact K2-2 closure → normally opened contact K2-4 closure → TQ opening coil starting → QF1-2 to disconnect, K2
Decompression reset → separating brake is successfully entered hot stand-by duty；
Cold standby is turned by operation: when 7,8 receive the signal that distal end is sent, high level is connected, so that K3 relay connects
Receive instruction closure → normally opened contact K3-2 closure → normally opened contact K3-4 closure → TQ opening coil starting → normally opened contact K3-6
Closure → relay KM2 contact closure → motor M1 antiport switch cart retrogressing → QS1-3 disconnection → K3 decompression resets
→ trolley retreats enters cold standby state in place；
Maintenance is turned by operation: when 9,10 receive the signal that distal end is sent, high level is connected, so that K4 relay receives
Instruction closure → normally opened contact K4-2 closure → normally opened contact K4-4 closure → TQ opening coil starting → normally opened contact K4-6 is closed
Conjunction → relay KM2 contact closure → M1 antiport enters cold standby → normally opened contact K4-8 closure → relay KM3
Contact closure → M2 motor Positive work, grounding switch combined floodgate → GD1-1 disconnection → relay K4 decompression reset, into maintenance shape
State.
Products characteristics:
Automatic safety device
Switchgear is provided with safe and reliable interlock, meets five anti-requirements.Equipped with suggestive on control room's door
Electrification display prompts high tension loop to charge situation；
When vacuum switch closes a floodgate with it is mechanical+electrically lock trolley (disconnecting switch) transmission mechanism, locked earthing switch
Linear motor drive rod prevents on-load malfunction trolley from move trolley can not；
The locking of trolley (disconnecting switch) transmission mechanism is released after separating brake, when switch is transferred to cold standby state operation, releasing is connect
Ground switchs linear motor transmission locking；When vacuum switch is in separating brake, trolley (disconnecting switch) is in cold standby, at cable outlet
Charged display device, which is tested, releases earthing switch electric blocking without pressure, and earthing switch just can be carried out closing operation；Prevent electrification from accidentally closing
Earthing switch and trolley is accidentally pushed into stand-by heat position when earthing switch being prevented to be in closed state；Only closed when earthing switch is in
When gate position, sealing plate is safeguarded after could opening；
It is transferred to after inspecting state the control power supply that can remotely disconnect inspection switch when line fault, prevents any improper feelings
Mistake conjunction under condition, nonaction；
It installs infrared high-definition camera additional, is mounted near grounding switch, process monitoring is carried out to equipment, and image is sent
To monitoring backstage；Infrared camera can be with the dsc data of sample devices, such as grounding switch position, pile crown overheat and trolley travelling
Position etc..
Switch cabinet equipment technical data sheet:
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of automatic switch cabinet, which is characterized in that the switchgear includes: vacuum circuit breaker, trolley, grounding switch, control
Unit, trolley transmission mechanism and grounding switch transmission mechanism and locking linkage mechanism；
The trolley transmission mechanism is promoted or is retreated for driving trolley to realize；
The grounding switch transmission mechanism, for driving the grounding switch to close a floodgate or separating brake；
Described control unit, for receiving the control instruction of distal end；And according to the control instruction to the vacuum circuit breaker,
Trolley transmission mechanism and grounding switch transmission mechanism send control instruction, to control vacuum circuit breaker, trolley and grounding switch
Division；To realize the conversion of the working condition of the switchgear.
2. automatic switch cabinet as described in claim 1, which is characterized in that the working condition of the automatic switch cabinet includes: fortune
Row, stand-by heat, cold standby and maintenance；
When the working condition is operation, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker closure；
When the working condition is stand-by heat, the grounding switch separating brake；Trolley is located at first position；Vacuum circuit breaker is disconnected
It opens；
When the working condition is cold standby, the grounding switch separating brake；Trolley is located at the second position；Vacuum circuit breaker is disconnected
It opens；
When the working condition is maintenance, grounding switch closes a floodgate, trolley is located at the second position；Vacuum circuit breaker disconnects.
3. automatic switch cabinet as described in claim 1, which is characterized in that the trolley transmission mechanism includes: driving motor；
When the driving motor of the trolley rotates in the forward direction, driving trolley advances；
When the driving motor of the trolley reversely rotates, driving trolley is retreated.
4. automatic switch cabinet as described in claim 1, which is characterized in that the trolley transmission mechanism further include: clutch；
When the clutch is in gearing state, the trolley transmission mechanism is in distance control mode；
When the clutch, which is in, does not interlock state, the trolley transmission mechanism is in manual operation mode.
5. automatic switch cabinet as claimed in claim 3, which is characterized in that the driving motor is decelerating motor.
6. automatic switch cabinet as described in claim 1, which is characterized in that the grounding switch transmission mechanism includes:
Linear motor and linear motor push rod；One end of the linear motor push rod is connected with transmission chain extension bar by oscillating bearing
First end；The second end of the driving connecting rod connects the grounding switch；When the linear motor is powered to first direction
When movement, the linear motor push rod is driven to move to the direction far from the grounding switch, the linear motor push rod pulls
The transmission chain extension bar, the driving connecting rod pull the grounding switch to close a floodgate；
When the linear motor is moved to second direction, drive the linear motor push rod to the side close to the grounding switch
To movement, the linear motor push rod pushes the transmission chain extension bar, and the driving connecting rod pushes the grounding switch, described
Grounding switch separating brake.
7. automatic switch cabinet as claimed in claim 6, which is characterized in that further include exiting limit switch and being pushed into limit to open
It closes；
It is described to exit limit switch and be pushed into the power supply that limit switch has been separately connected the linear motor, it is described straight for controlling
Line motor power on/off；When it is described exit limit switch or push-in limit switch closure when, the linear motor is powered, and moves back when described
When limit switch or push-in limit switch disconnect out, the linear motor power-off；
The other end of the linear motor push rod is provided with stroke detent rail；
The position of limit switch is exited described in moving to when the stroke detent rail, and limit switch is exited described in triggering and is become by closure
To disconnect；So that linear motor powers off；
When the stroke detent rail moves to the position of the push-in limit switch, limit switch is exited described in triggering and is become by closure
To disconnect；So that linear motor powers off.
8. automatic switch cabinet as described in claim 1, which is characterized in that further include monitoring device, for inside switch cabinet
Grounding switch, trolley carry out status monitoring；And the result of monitoring is sent to distal end.
9. automatic switch cabinet as claimed in claim 8, which is characterized in that the monitoring device is infrared wide-angle camera, is used
To detect the fever and switching state of grounding switch；And the position of trolley；And image and dsc data hair detection
Give remote control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810221.8A CN110391602A (en) | 2019-08-29 | 2019-08-29 | Automatic switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810221.8A CN110391602A (en) | 2019-08-29 | 2019-08-29 | Automatic switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110391602A true CN110391602A (en) | 2019-10-29 |
Family
ID=68289641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810221.8A Pending CN110391602A (en) | 2019-08-29 | 2019-08-29 | Automatic switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110391602A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017412A (en) * | 2020-08-07 | 2020-12-01 | 东莞市顺磊电子科技有限公司 | GSM remote control switch |
| CN112736749A (en) * | 2021-01-22 | 2021-04-30 | 福建船政交通职业学院 | KYN high tension switchgear intelligence control system |
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| CN104466528A (en) * | 2014-12-24 | 2015-03-25 | 成都运达科技股份有限公司 | High-voltage overhead line system grounding device |
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| CN102222868A (en) * | 2011-06-22 | 2011-10-19 | 西安西能电器新技术发展有限公司 | Solid insulating vacuum ring network cabinet |
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| CN112736749A (en) * | 2021-01-22 | 2021-04-30 | 福建船政交通职业学院 | KYN high tension switchgear intelligence control system |
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