CN108281311A - The blocking device of the anti-hot line job of high-tension switch cabinet - Google Patents
The blocking device of the anti-hot line job of high-tension switch cabinet Download PDFInfo
- Publication number
- CN108281311A CN108281311A CN201810248657.8A CN201810248657A CN108281311A CN 108281311 A CN108281311 A CN 108281311A CN 201810248657 A CN201810248657 A CN 201810248657A CN 108281311 A CN108281311 A CN 108281311A
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- China
- Prior art keywords
- locking
- key
- shell
- locking bar
- switch cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 72
- BKUKXOMYGPYFJJ-UHFFFAOYSA-N 2-ethylsulfanyl-1h-benzimidazole;hydrobromide Chemical compound Br.C1=CC=C2NC(SCC)=NC2=C1 BKUKXOMYGPYFJJ-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 241000282414 Homo sapiens Species 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims 8
- 238000010586 diagram Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
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- Lock And Its Accessories (AREA)
Abstract
The present invention relates to a kind of blocking device of the anti-hot line job of high-tension switch cabinet, it is latched on shell and signal processing module, motor and executing agency is installed and are equipped with lockhole, electrode hole and anti-dead man hole；The position signal of signal processing module receiving voltage signal, control signal and working power, output drive signal control motor is unlocked operation when in the lockout condition without high-voltage signal, and output drive signal control motor carries out automatic blocking operation when having high-voltage signal in the unlocked state；Executing agency includes motor, locking bar and locking key slide plate, be latched key slide plate be mounted on locking bar on and with locking bar synchronizing moving, it is latched key slide plate and is equipped with jack and locked groove, it includes key shell and the battery in key shell to unlock key, it is fixed with power electrode, coordination electrode and the anti-dead man of stretching on key shell, button is also equipped on key shell.The configuration of the present invention is simple, can be safe according to the unlock of high pressure block signal and automatic blocking.
Description
Technical field
The present invention relates to a kind of blocking device of the anti-hot line job of high-tension switch cabinet, belongs to and relate to ring main unit anti-electrification conjunction ground
Knife, band establish the anti-misoperation locking technical field of the faulty operations such as cabinet door by cable.
Background technology
Outdoor ring main unit is simple and reliable, is largely used in urban electricity supply network.Outdoor ring main unit has the anti-error of machinery
Blocking device, under the conditions of ring main unit power supply upper incoming line, this anti-misoperation locking device can prevent electrification conjunction earthing knife-switch, band from establishing cabinet by cable
The maloperations such as door occur.Due to the hand-in-hand network connection mode of ring network power supply, ring main unit there are under power supply the case where inlet wire, this
When ring main unit itself mechanical anti-misoperation locking device cannot prevent electrification from closing the hair that earthing knife-switch, band establish the pernicious maloperation such as cabinet door by cable
It is raw.The blocking device of existing anti-hot line job uses the blocking mechanism and portable power being mounted on switchgear, portable electric
Working power for it is improved in source after being connect with blocking mechanism, is passed from high pressure by the detection of electrified detection circuit in blocking mechanism
The signal of sensor, when testing result is to have high pressure, the electromagnetic lock in blocking mechanism does not unlock；Testing result for no high pressure when,
Electrified detection circuit driving electromagnetic lock unlock in blocking mechanism, can improve reliable operation, easy to use.But it is existing anti-error to close
The equal electromagnetic lock of locking device is unlocked and is latched, but electromagnetic lock needs hand-reset after unlock, such as suddenly encounters ring main unit height
Pressure powers on, and electromagnetic lock cannot reset and realize locking in time automatically, therefore still there is some potential safety problems.
Invention content
It the object of the present invention is to provide a kind of simple in structure, can be unlocked and automatic blocking, be improved according to high pressure block signal
The blocking device of the anti-hot line job of high-tension switch cabinet of safety.
The technical solution of the present invention in order to achieve the above objectives is：A kind of blocking device of the anti-hot line job of high-tension switch cabinet,
Include the blocking mechanism on high-tension switch cabinet, the solution lock key for being connect with blocking mechanism and for showing high pressure
Switchgear carries the electrification display of working voltage, it is characterised in that：
The blocking mechanism includes that locking shell, signal processing module and executing agency, the locking shell are equipped with
The lockhole and power electrode, coordination electrode and anti-dead man pass through corresponding electrode hole on the key for being inserted into unlock that locking bar is pierced by
With anti-dead man hole, and signal processing module, motor and executing agency be mounted on locking shell in；
The signal processing module is used to receive the voltage signal of electrification display output, receives solution lock key output
It controls signal and working power, receive position signal of the position sensor acquisition locking bar in unlock and locked position of coupler, at signal
Manage module to each signal processing of reception after, in the lockout condition without high-voltage signal when output drive signal control motor solved
Lock operation, output drive signal control motor carries out automatic blocking operation when having high-voltage signal in the unlocked state；
The executing agency includes motor, locking bar and locking key slide plate, the outlet side connection of locking bar and motor and band
Dynamic locking bar is stretched out or is retracted, and ground connection handle hole to net cabinet or the cabinet door of high-tension switch cabinet is latched or is unlocked, described
Be latched key slide plate be mounted on locking bar and with locking bar synchronizing moving, and be latched key slide plate and be equipped with the jack that passes through of anti-dead man
And the locked groove communicated with jack, the locked groove solves the dial-out of lock key for anti-dead man in addition to locked position of coupler, and position passes
Sensor is mounted on locking shell or signal processing module；
The unlock key includes key shell and the battery in key shell, is fixed with and stretches on key shell
Power electrode, coordination electrode and the anti-dead man gone out, and button is also equipped on key shell when unlock, unlocks electricity on the key
Source electrode and coordination electrode be plugged on respectively in the corresponding electrode hole of locking shell and with it is corresponding on signal processing module
Interface connects, and anti-dead man is plugged on the anti-dead man hole of locking shell and is latched in the jack of key slide plate.
The blocking device of the present invention uses blocking mechanism on high-tension switch cabinet, for being connect with blocking mechanism
Solution lock key and for showing that high-tension switch cabinet carries the electrification display of working voltage, by electrification display to locking
Mechanism exports high pressure locking or the voltage signal without high pressure unlock, and work is provided to blocking mechanism by solving the power supply in lock key
Power supply, it is easy to operate, when power electrode, coordination electrode and the anti-dead man of unlock on the key are inserted into the corresponding hole of blocking mechanism
Interior, the button that operating personnel operate solution lock key sends out operational order to blocking mechanism, if switchgear electrification in high voltage, even if sending out
Operational order, signal processing module control motor will not act, can not open cabinet door or control stick cannot be inserted to the ground connection of net cabinet
Handle hole is operated, and blocking device of the present invention is made to keep blocking.Only under switchgear high pressure non-charged state, electrification
Display is exported to signal processing module without high pressure unlocking signal, and signal processing module output signal makes motor that locking bar be driven to move back
It returns, executes unlock operation and have and open cabinet door or the ground connection handle hole of net cabinet can be operated, can guarantee operating personnel's
Personal safety.The present invention is equipped with locking key slide plate on locking bar, and can be with locking bar synchronizing moving, and is latched on key slide plate
The jack passed through equipped with anti-dead man and the locked groove communicated with jack are only inserted into corresponding electrode hole, terminal hole in solution lock key
With the anti-dead man hole on locking key slide plate, it can be just unlocked operation, and after unlock, since locking key slide plate is same with locking bar
Moved further, therefore by carrying out self-locking to anti-dead man in the locked groove on locking key slide plate, make locking key slide plate and solution key
Spoon is used cooperatively, and is ensured that under unlocked state solution lock key cannot be extracted, could only be extracted solution lock key in the lockout condition, but
In the unlocked state, when high pressure powers on, lock operation will be executed automatically, be avoided leaving security risk, be further increased safety
Property.The present invention uses position sensor, can guarantee that locking bar operates in place every time in locked position of coupler and unlocked position, unlock is facilitated to grasp
Make.The blocking device of the present invention has electrical verification, automatic blocking, artificial unlocking function, safe and reliable.
Description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is one of the block diagram of blocking device of the anti-hot line job of high-tension switch cabinet of the present invention.
Fig. 2 is the two of the block diagram of the blocking device of the anti-hot line job of high-tension switch cabinet of the present invention.
Fig. 3 is the schematic diagram of high-voltage signal conversion circuit of the present invention
Fig. 4 is a kind of structural schematic diagram of the blocking mechanism of the present invention in unlocked state.
Fig. 5 is the A of Fig. 4 to structural schematic diagram.
Fig. 6 is the structural schematic diagram that Fig. 4 removes cover board and signal processing module.
Fig. 7 is structural schematic diagrams of the Fig. 6 in blocking.
Fig. 8 is structural schematic diagram of another blocking mechanism of the invention in unlocked state.
Fig. 9 is the B of Fig. 8 to structural schematic diagram.
Figure 10 is that Fig. 9 opens cover board and removes the structural schematic diagram of signal processing module.
Figure 11 is structural schematic diagrams of the Figure 10 in blocking.
Figure 12 is the configuration diagram of present invention solution lock key.
Figure 13 is the schematic diagram of electric power management circuit of the present invention.
Wherein：1-high-voltage capacitance sensor, 2-electrification displays, 3-position sensors, 4-blocking mechanisms, 5-hold
Row mechanism, 5-1-locking bar, 5-2-locking key slide plate, 5-21-jack, 5-22-locked groove, 5-3-motor, 5-4-motor
Holder, 5-5-briquetting, 5-6-block, 6-signal processing modules, 7-solution lock keys, 7-1-button, 7-2-power electrode,
The anti-dead mans of 7-3-, 7-4-coordination electrode, 7-5-indicator light, 8-locking shells, 8-1-case, 8-11-through-hole, 8-2-
Lockhole, the anti-dead man hole 8-3-power electrode hole, 8-4-, 8-5-coordination electrode hole, 8-6-installation notch, 8-7-cover board, 8-
71-arc panels, 8-8-handle hole, 8-9-upper mounting seat.
Specific implementation mode
See Fig. 1, shown in 2, the blocking device of the anti-hot line job of high-tension switch cabinet of the invention, including it is mounted on high-voltage switch gear
Blocking mechanism 4 on cabinet, the solution lock key 7 for being connect with blocking mechanism 4 and the electrification for showing high-tension switch cabinet band
The electrification display 2 of state, electrification display 2 of the invention as shown in Figure 1 can be pacified electrification display 2 using commercial product
On high-voltage switch gear cabinet, electrification display 2 is set to be connect with signal processing module 6 by conducting wire, it also can be by electrification display 2
It is mounted on high-voltage switch gear cabinet again in blocking mechanism 4, by the way that the high-voltage capacitance sensor 1 in high-tension switch cabinet is arranged
Electrification in high voltage situation is acquired, by the electriferous state of the electrification indicating circuit real-time display high-tension switch cabinet of electrification display 2, together
When as shown in Figure 3, by high-voltage signal conversion circuit by acquire electrification in high voltage signal change into voltage signal output, give blocking mechanism
4 provide unlock/block signal, and under electrification in high voltage state, blocking mechanism 4 cannot unlock, and keep blocking, only in nothing
Under high pressure electricity condition, blocking mechanism 4 could unlock, and meet five-defence block operation and require.
See shown in Fig. 1,2 and Fig. 4~11, blocking mechanism 4 of the invention includes locking shell 8, signal processing module 6
With executing agency 5.See shown in Fig. 4~11, locking shell 8 is equipped with the lockhole 8-2 that locking bar 5-1 is pierced by and for being inserted into unlock
Power electrode 7-2, coordination electrode 7-4 and anti-dead man 7-3 pass through corresponding electrode hole and anti-dead man hole 8-4 on key 7, and believe
Number processing module 6, motor 5-3 and executing agency 5 are mounted in locking shell 8.
See Fig. 1, shown in 2, signal processing module 6 of the invention receives the voltage signal that electrification display 2 exports, receives solution
The control signal and working power that lock key 7 exports receive position sensor 3 and acquire locking bar 5-1 in unlock and locked position of coupler
Position signal, after signal processing module 6 is to each signal processing of reception, in the lockout condition without high-voltage signal when output driving
Signal control motor 5-3 is unlocked operation, when having high-voltage signal in the unlocked state output drive signal control motor 5-3 into
Row automatic blocking operates.The present invention provides work electricity by solving the battery in lock key 7 to signal processing module 6 and motor 5-3
Source, signal processing module 6 handle the voltage signal and control signal of reception, and judgement has sends on operation solution lock key 7
Control signal and under high pressure electroless state, signal processing module 6 gives motor 5-3 to provide power supply by driving circuit, makes electricity
Machine 5-3 work drives locking bar 5-1 to retract and unlock；In blocking, judgement has sends control signal on operation solution lock key 7
And in the case where height is pressed with electricity condition, signal processing module 6 does not send out drive signal to driving circuit, and continues to keep blocking,
Therefore it is not controlled by button 7-1；But in the unlocked state, once high pressure powers on, signal processing module 6 receives electrification display and send
When going out band power information, judges to have electrification in high voltage and be solved under the control signal condition sent out on lock key 7 without operation, signal processing mould
Block 6 gives motor 5-3 to provide power supply by driving circuit, and motor 5-3 work is made to drive locking bar 5-1 auto-extendings and automatic blocking,
And be latched and controlled by position sensor 3 with unlocked position, it ensure that processing safety.
Microprocessor can be used in the signal processing module 6 of the present invention, and microprocessor can be by being latched multiple pillars in shell 8
In locking shell 8, signal processing module 6 of the invention uses existing microprocessor, and microprocessor, which has, receives band
The ports I/O of electric display output voltage signal, the power end for receiving working power control signal and position for receiving
The ports I/O of signal, the voltage signal output end of electrification display and the output end of position sensor 3 respectively with microprocessor
The connection of the ports I/O, power interface and control signal end interface connect with microprocessor corresponding power end and the ports I/O respectively,
Power interface and control signal end interface are fixed on locking shell 8 or microprocessor, the power supply of driving circuit and motor 5-3
The ports I/O of end connection, driving circuit and microprocessor connect, and microprocessor has power down store function, memory last
Mode of operation.
To see shown in Fig. 4~11, executing agency 5 of the invention includes motor 5-3, locking bar 5-1 and locking key slide plate 5-2,
Locking bar 5-1 connect with the outlet side of motor 5-3 and locking bar 5-1 is driven to stretch out or retract, and motor 5-3 is miniature DC motor,
The executing agency 5 of the present invention is used for the ground connection handle hole to net cabinet or the cabinet door of high-tension switch cabinet is latched or is unlocked.See
Fig. 6,7 and 10, shown in 11, locking key slide plate 5-2 of the invention is mounted on that locking bar 5-1 is upper and synchronous with locking bar 5-1 shifting
Dynamic, locking key slide plate 5-2 carries flanging, and is mounted on locking bar 5-1 by fastener, is latched on key slide plate 5-2 and sets
There are the jack 5-21 that anti-dead man 7-3 the is passed through and locked groove 5-22 communicated with jack 5-21, locked groove 5-22 to be used for anti-dead man 7-3
The dial-out of lock key 7 is solved in addition to locked position of coupler.Fig. 6,7 and 10 are seen, shown in 11, on locking key slide plate 5-2 of the invention
Locked groove 5-22 width be less than jack 5-21 width, and the one or both sides of anti-dead man 7-3 be equipped with indent notch, after unlock
Anti- dead man 7-3 be arranged in the locked groove 5-22 on locking key slide plate 5-2, and the notch on anti-dead man 7-3 is connected to locking
On key slide plate 5-2, solution lock key 7 cannot be transferred to, reasonable for structure, easy to operate, by being latched key slide plate 5-2 and solution key
Spoon 7 is used cooperatively, it is ensured that cannot extract solution lock key 7 in unlocked position, lock key 7 is only solved in locked position of coupler
It can be extracted from the jack 5-21 on locking key slide plate 5-2, prevent from arbitrarily extracting solution lock key 7 in unlocked position, and into
One step improves processing safety.
See Figure 10, shown in 11, position sensor 3 of the invention is mounted on locking shell 8 or signal processing module 6, is led to
Position sensor 3 is crossed to export locking bar 5-1 in unlocked position and the position signal of locked position of coupler.The position sensor 3 of the present invention
Two Hall sensors can be used, and be fixed with permanent magnetic strip on locking bar 5-1, and permanent magnetic strip can be moved with locking bar 5-1
It is dynamic, send out signal to signal processing module 6 by two Hall sensors, to locking bar 5-1 unlocked position and locked position of coupler into
Row limits, and locking bar 5-1 is enable to stretch in certain distance, ensures that locked position of coupler operates in place every time.The present invention is in order to prevent suddenly
That faulty sensor causes damage miniature DC motor, the present invention that motor for preventing Lock protective circuit also can be used, the motor block-proof
Rotation protection circuit uses existing current-limiting circuit or time timing circuit, the current-limiting circuit combined by Hall sensor or combination
Time timing circuit and realize control.Existing other forms also can be used in the position sensor 3 of the present invention.
See shown in Fig. 4~7, one end of a kind of blocking mechanism 4 of structure of the present invention, locking shell 8 is equipped with circular lockhole
8-2, lockhole 8-2 are equipped with protrusion, and circular locking bar 5-1 is equipped with corresponding groove, or is equipped in one end of locking shell 8
The lockhole 8-2 of polygon, locking bar 5-1 are corresponding polygon, can prevent the rotation of locking bar 5-1, make locking bar 5-1 that can only stretch
Contracting movement carries out locking or unlock to cabinet door, and when locking enables locking bar 5-1 to be fitted in cabinet door.See shown in Fig. 4~7, the present invention
Blocking mechanism 4 it is box shaped, locking shell 8 include assembling case 8-1 and cover board 8-7, electrification display 2 do not reside at locking
In shell 8, case 8-1 is equipped with electrode hole and anti-dead man hole 8-4 on panel, can set two power electrode hole 8-3, a control
Electrode hole 8-5 and an anti-dead man hole 8-4, case 8-1 are additionally provided with the indicator light of display working condition, motor 5-3 on panel
It is mounted in case 8-1 by electric machine support 5-4, U-bracket can be used, motor 5-3 is mounted in case 8-1, case 8-1
It is inside also equipped with to being latched the fixed briquetting 5-5 of key slide plate 5-2, locking key slide plate 5-2 is reliably mounted at locking shell
On body 8.See shown in Fig. 4~7, the present invention the both sides of case 8-1 be equipped with installation notch 8-6, can connector be connected to the installation
In notch 8-6 on the cabinet by the installation of blocking mechanism 4.
See shown in Fig. 8~11, be the blocking mechanism 4 of another structure of the invention, locking shell 8 is passed through equipped with control stick
Handle hole 8-8, and be latched shell 8 and be equipped with the lockhole 8-2 that is communicated with handle hole 8-8, locking bar 5-1 stretchings when locking are located at
In handle hole 8-8.See Fig. 9, shown in 10, locking shell 8 includes that the case 8-1 of assembling and the top cover board 8-7, case 8-1 are equipped with
A parts of the through-hole 8-11 as handle hole 8-8, and cover board 8-7 is equipped with the handle hole 8-8 of the open part in top, and cover board
There is 8-7 the arc panel 8-71 inwardly stretched, cover board 8-7 to be mounted on case 8-1, and arc panel 8-71 shelters from the tops case 8-1
And formation operation hole 8-8, and arc panel 8-71 is equipped with lockhole 8-2, and locking bar 5-1 is made to stretch out or retract by lockhole 8-2.See figure
Shown in 8~11, motor 5-3 of the invention is mounted on by electric machine support 5-4 in case 8-1, bands of the locking bar 5-1 in motor 5-3
Dynamic lower stretch out is latched operation hole 8-8, and locking bar 5-1 is retracted and realized unlock to handle hole 8-8.See Figure 10, shown in 11,
And be also equipped in shell to being latched the fixed briquetting 5-5 of key slide plate 5-2, briquetting 5-5 settings are in locking key slide plate 5-2
The other side, will locking key slide plate 5-2 be reliably mounted in case 8-1.The present invention is to increase blocking for handle hole 8-8
Area, the ends locking bar 5-1 are equipped with block 5-6, and block 5-6 is L-shaped, the length of block 5-6 be operate bore dia 0.5~
0.9 times, if the length of block 5-6 is operate bore dia 0.6 times or 0.75 times, to increase the impact force of locking bar 5-1 external force resistances,
It is also equipped with upper mounting seat 8-9 on the top of locking shell 8, U-bracket can be used in same upper mounting seat 8-9, by locking bar 5-1
It is arranged in U-lag and the further rows of locking bar 5-1 is limited.See shown in Fig. 8~11, electrification display 2 of the invention is mounted on locking
In shell 8, case 8-1 is not only provided with electrode hole and anti-dead man hole 8-4 on panel, that is, sets two power electrode hole 8-3 and one
An a coordination electrode hole 8-5 and anti-dead man hole 8-4, there are no nuclear power jack and corresponding indicator lights, and case 8-1 is on panel
It is additionally provided with the indicator light of display working condition.
See Figure 12, shown in 13, solution lock key 7 of the invention includes key shell and the battery in key shell,
It is fixed with power electrode 7-2, the coordination electrode 7-4 of stretching and anti-dead man 7-3 on key shell, and is also equipped on key shell
Two electrodes and a coordination electrode 7-4 can be used in button 7-1, and power electrode 7-2 is connect with battery, and button 7-1 and control
Electrode 7-4 processed is corresponded to, and is pushed button 7-1 and is sent out control signal, power electrode 7-2 and coordination electrode 7- by coordination electrode 7-4
4 interface connections corresponding on signal processing module 6, signal processing module 6 is supplied to by power supply and control signal.The present invention
Power electrode 7-2 and the ends coordination electrode 7-4 be the metalized lamp halter with spring leaf, can be reliably by power electrode 7-2
And coordination electrode 7-4 is connected with from each corresponding interface.When unlock, the power electrode 7-2 on lock key 7 and coordination electrode will be solved
7-4 is plugged in locking 8 corresponding electrode hole of shell and is connect with corresponding interface on signal processing module 6 respectively, together
When anti-dead man 7-3 be plugged in the jack 5-21 of anti-dead man hole 8-4 and locking key slide plate 5-2 of locking shell 8, in no high pressure
When signal, button 7-1 is clicked, motor 5-3 actions drive locking bar 5-1 to retract and unlock, cabinet door are closed after operation, then
Button 7-1 is clicked, motor 5-3 actions drive locking bar 5-1 to stretch out and be latched.And when there is electricity, even if clicking button 7-1,
Motor 5-3 does not also work, and locking bar 5-1 will not be retracted, and executing agency 5 cannot not unlocked by button 7-1 controls when Ji You electricity, but
When having high-voltage signal after unlock, the motor 5-3 actions of executing agency 5 drive locking bar 5-1 auto-extendings and are latched.
As shown in Figure 12, the anti-dead man 7-3 length on solution lock key 7 of the invention is more than power electrode 7-2 and control electricity
The length of pole 7-4, power electrode 7-2 and coordination electrode 7-4 are isometric, and the anti-dead man 7-3 solved on lock key 7 is reliably inserted into locking
In the jack 5-21 of key slide plate 5-2, in unlocked state, locking key slide plate 5-2 is moved together with locking bar 5-1, passes through lock
Anti- dead man 7-3 is limited and cannot be extracted solution lock key 7 by slot 5-22；If high pressure powers at this time, even without control signal, letter
Number processing module 6 exports block signal, motor 5-3 actions and execute lock operation automatically, only can just be pulled out in locked position of coupler
Go out to solve lock key 7, ensure that the personal safety of operating personnel.
As shown in Figure 13, the battery management circuit for judging battery capacity, cell tube are additionally provided on solution lock key 7 of the invention
Manage circuit mainly include power management chip Ic, and be connected on the corresponding function feet of power management chip Ic resistance R4, R5,
Key shell is arranged in the peripheral circuit of R6, inductance L1, L2 and L3 and capacitance C1, C2 and indicator light 7-5 compositions, indicator light 7-5
On, judge that solution 7 internal cell electricity abundance of lock key can be continuing in battery management circuit, solves the instruction on lock key 7
Lamp 7-5 is that green light length is bright, if red lamp flass or red light brightness are substantially reduced, the battery capacity for showing to solve in lock key 7 is insufficient, needs
Replace solution lock key 7.The solution lock key 7 of the present invention can solve the problems, such as to power to blocking device, while solving lock key 7 and can lead to
For all installations operation is unlocked with the high-tension switch cabinet of model blocking device.
See shown in Fig. 1~12, when the present invention works, can self-test first be carried out to the electricity on solution lock key 7, press solution key
" locking/unlock " button 7-1 on spoon 7, if green light length is bright to show that solving 7 internal cell electricity abundance of lock key can continue to make
With, if red lamp flass or red light brightness are substantially reduced, show that solution 7 battery capacity deficiency of lock key needs replacing and solve lock key 7, guarantor
Demonstrate,prove the reliability of operation.Three electrodes on lock key 7 and the counter electrode hole on anti-dead man 7-3 alignment blocking mechanisms will be solved
In anti-dead man hole 8-4, make power electrode 7-2 on solution lock key 7 and coordination electrode 7-4 respectively on signal processing module 6
Corresponding interface connection, while anti-dead man 7-3 is plugged in the jack 5-21 of locking key slide plate 5-2, presses solution key
Button 7-1 on spoon 7, signal processing module 6 receive the voltage signal that electrification display 2 exports and control signal, believe in no high pressure
Number when output drive signal, when control motor 5-3 action makes locking bar 5-1 be retracted into unlocked position, 3 output position of position sensor
Signal is stopped to signal processing module 6, motor 5-3, completes unlock operation, and cabinet door is closed after operation or takes out behaviour
Vertical pole, then the button 7-1 on solution lock key 7 is pressed, when control motor 5-3 makes locking bar 5-1 stretch out and reaches locked position of coupler, position
To signal processing module 6, motor 5-3's 3 output position signal of sensor is stopped, and completes lock operation, repeatedly.When having
When high-voltage signal, the button 7-1 on solution lock key 7 is clicked, motor 5-3 is failure to actuate and cannot unlock.When due to unlocked state
Solution lock key 7 cannot be extracted, if high pressure powers at this time, signal processing module 6 receives electrification display 2 and sends out electrification in high voltage
Signal, even without control signal, motor 5-3 work makes locking bar 5-1 stretch out and carries out an automatic blocking, due to microprocessor
Utensil has power down store function, remembers last mode of operation, and safe operation is reliable, and solution lock key 7 is extracted after completing locking.
Claims (10)
1. a kind of blocking device of the anti-hot line job of high-tension switch cabinet, include blocking mechanism (4) on high-tension switch cabinet,
Solution lock key (7) for being connect with blocking mechanism (4) and for showing that electrification of the high-tension switch cabinet with working voltage is aobvious
Show device (2), it is characterised in that：
The blocking mechanism (4) includes locking shell (8), signal processing module (6) and executing agency (5), the locking shell
Body (8) is equipped with the lockhole (8-2) that locking bar (5-1) is pierced by and for being inserted into power electrode (7-2) on solution lock key (7), control
Electrode (7-4) processed and anti-dead man (7-3) pass through corresponding electrode hole and anti-dead man hole (8-4), and signal processing module (6), electricity
Machine (5-3) and executing agency (5) are mounted in locking shell (8)；
The signal processing module (6) is used to receive the voltage signal of electrification display (2) output, receives solution lock key (7)
The control signal and working power of output receive position of position sensor (3) the acquisition locking bar (5-1) in unlock and locked position of coupler
Confidence number, after signal processing module (6) is to each signal processing of reception, in the lockout condition without high-voltage signal when output driving believe
Number control motor (5-3) is unlocked operation, output drive signal control motor (5-3) when having high-voltage signal in the unlocked state
Carry out automatic blocking operation；
The executing agency (5) include motor (5-3), locking bar (5-1) and locking key slide plate (5-2), locking bar (5-1) with electricity
The outlet side of machine (5-3) connects and locking bar (5-1) is driven to stretch out or retract, ground connection handle hole to net cabinet or to high-tension switch cabinet
Cabinet door be latched or unlocked, the locking key slide plate (5-2) is mounted on locking bar (5-1) and same with locking bar (5-1)
Moved further, and be latched key slide plate (5-2) and be equipped with the jack (5-21) and communicated with jack (5-21) that anti-dead man (7-3) passes through
Locked groove (5-22), the locked groove (5-22) solves the dial-outs of lock key (7) for anti-dead man (7-3) in addition to locked position of coupler,
And position sensor (3) is mounted on locking shell (8) or signal processing module (6)；
The solution lock key (7) includes key shell and the battery in key shell, is fixed with and stretches on key shell
Power electrode (7-2), coordination electrode (7-4) and the anti-dead man (7-3) gone out, and button (7-1) is also equipped on key shell, it solves
When lock, solves power electrode (7-2) and coordination electrode (7-4) on lock key (7) and be plugged on the corresponding electricity of locking shell (8) respectively
It is connect in the hole of pole and with corresponding interface on signal processing module (6), and anti-dead man (7-3) is plugged on locking shell (8)
Anti- dead man hole (8-4) and locking key slide plate (5-2) jack (5-21) in.
2. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The locking
Locked groove (5-22) width on key slide plate (5-2) is less than the width of jack (5-21), and the one or both sides of anti-dead man (7-3)
Notch equipped with indent, locked groove (5-22) of anti-dead man (7-3) setting on locking key slide plate (5-2) after unlock is interior, and
Notch on anti-dead man (7-3) is connected on locking key slide plate (5-2).
3. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The locking shell
Body (8) one end is equipped with circular lockhole (8-2), and lockhole (8-2) is equipped with protrusion, and circular locking bar (5-1) is equipped with corresponding
Groove；Or locking shell (8) one end is equipped with the lockhole (8-2) of polygon, locking bar (5-1) is corresponding polygon.
4. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The locking
Shell (8) is equipped with the handle hole (8-8) that control stick passes through, and is latched shell (8) and is equipped with the lock communicated with handle hole (8-8)
Hole (8-2), the locking bar (5-1) when locking stretch out and in handle holes (8-8).
5. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 4, it is characterised in that：The locking bar
The end (5-1) is equipped with block (5-6), and the block (5-6) is L-shaped, and the length of block (5-6) is that handle hole (8-8) is straight
0.5~0.9 times of diameter, locking shell (8) is interior to be also equipped with the upper mounting seat (8-9) limited to locking bar (5-1).
6. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 4, it is characterised in that：The locking
Shell (8) includes assembling case (8-1) and cover board (8-7), and the top case (8-1) is equipped with one of through-hole (8-11) as handle hole
Part, and cover board (8-7) is equipped with the open part operation hole in top, and cover board (8-7) has the arc panel (8- inwardly stretched
71), cover board (8-7) is mounted on case (8-1), and arc panel (8-71) shelters from the case top (8-1) and formation operation hole (8-
8), and arc panel (8-71) is equipped with lockhole (8-2).
7. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The locking
Shell (8) includes assembling case (8-1) and cover board (8-7), and the motor (5-3) is mounted on cover by electric machine support (5-4)
In shell (8-1), and the briquetting (5-5) that locking key slide plate (5-2) is fixed is also equipped in case (8-1).
8. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The solution key
Anti- dead man (7-3) length on spoon (7) is more than the length of power electrode (7-2) and coordination electrode (7-4), solves on lock key (7)
It is additionally provided with the battery management circuit for judging battery capacity.
9. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The motor
(5-3) is miniature DC motor.
10. the blocking device of the anti-hot line job of high-tension switch cabinet according to claim 1, it is characterised in that：The letter
Number processing module (6) uses microprocessor, and microprocessor, which has, to be received the ports I/O of electrification display output voltage signal, uses
Power end in reception working power, the ports I/O for receiving control signal and position signal, the voltage letter of electrification display
The output end of number output end and position sensor (3) is connect with the ports I/O of microprocessor respectively, and power interface and control are believed
Number end interface is connect with microprocessor corresponding power end and the ports I/O respectively, the power end connection of driving circuit and motor, driving
The ports I/O of circuit and microprocessor connect, and microprocessor has power down store function, remember last mode of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248657.8A CN108281311B (en) | 2018-03-24 | 2018-03-24 | Blocking device for preventing live operation of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248657.8A CN108281311B (en) | 2018-03-24 | 2018-03-24 | Blocking device for preventing live operation of high-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281311A true CN108281311A (en) | 2018-07-13 |
| CN108281311B CN108281311B (en) | 2023-09-26 |
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ID=62810346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810248657.8A Active CN108281311B (en) | 2018-03-24 | 2018-03-24 | Blocking device for preventing live operation of high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108281311B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105488872A (en) * | 2014-09-19 | 2016-04-13 | 珠海优特电力科技股份有限公司 | Switch cabinet misoperation-preventive locking device and working method thereof |
| CN105610079A (en) * | 2016-02-18 | 2016-05-25 | 国家电网公司 | Microcomputer anti-misoperation locking system and method for high-voltage switch cabinet of substation |
| CN207925349U (en) * | 2018-03-24 | 2018-09-28 | 常州帕斯菲克自动化技术股份有限公司 | A kind of blocking device of the anti-hot line job of high-tension switch cabinet |
-
2018
- 2018-03-24 CN CN201810248657.8A patent/CN108281311B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105488872A (en) * | 2014-09-19 | 2016-04-13 | 珠海优特电力科技股份有限公司 | Switch cabinet misoperation-preventive locking device and working method thereof |
| CN105610079A (en) * | 2016-02-18 | 2016-05-25 | 国家电网公司 | Microcomputer anti-misoperation locking system and method for high-voltage switch cabinet of substation |
| CN207925349U (en) * | 2018-03-24 | 2018-09-28 | 常州帕斯菲克自动化技术股份有限公司 | A kind of blocking device of the anti-hot line job of high-tension switch cabinet |
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| Publication number | Publication date |
|---|---|
| CN108281311B (en) | 2023-09-26 |
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