CN207925349U - A kind of blocking device of the anti-hot line job of high-tension switch cabinet - Google Patents

Abstract

The utility model is related 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 utility model is simple in structure, can be safe according to the unlock of high pressure block signal and automatic blocking.

Description

A kind of blocking device of the anti-hot line job of high-tension switch cabinet

Technical field

The utility model is related to a kind of blocking device of the anti-hot line job of high-tension switch cabinet, belongs to and relate to the anti-electrification conjunction of ring main unit Earthing knife-switch, 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

The purpose of this utility model is to provide a kind of simple in structure, can be unlocked according to high pressure block signal and automatic blocking, Improve the blocking device of the anti-hot line job of high-tension switch cabinet of safety.

The technical solution of the utility model in order to achieve the above objectives is：A kind of locking dress of the anti-hot line job of high-tension switch cabinet It sets, includes the blocking mechanism on high-tension switch cabinet, the solution lock key for being connect with blocking mechanism and for showing High-tension switch cabinet 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 utility model uses blocking mechanism on high-tension switch cabinet, is used for and blocking mechanism The solution lock key of connection and for show high-tension switch cabinet carry working voltage electrification display, by electrification display to Blocking mechanism exports high pressure locking or the voltage signal without high pressure unlock, is provided to blocking mechanism by solving the power supply in lock key Working power, it is easy to operate, when to be inserted into blocking mechanism corresponding for unlock power electrode, coordination electrode and anti-dead man on the key In hole, the button that operating personnel operate solution lock key sends out operational order to blocking mechanism, if switchgear electrification in high voltage, even if hair Go out operational order, signal processing module control motor will not act, can not open cabinet door or control stick cannot be inserted to connecing for net cabinet Ground handle hole is operated, and the utility model blocking device is made to keep blocking.Only in switchgear high pressure non-charged state Under, electrification display is exported to signal processing module without high pressure unlocking signal, and signal processing module output signal makes motor drive Locking bar is retracted, and executes unlock operation and has and open cabinet door or can be operated to the ground connection handle hole of net cabinet, can guarantee operation The personal safety of personnel.The utility model is equipped with locking key slide plate on locking bar, and can be with locking bar synchronizing moving, and is latched Key slide plate is equipped with the anti-dead man jack passed through and the locked groove communicated with jack, is only inserted into corresponding electrode in solution lock key Anti- dead man hole on hole, terminal hole and locking key slide plate, can just be unlocked operation, and after unlock, since locking key is slided Plate makes locking key slide with locking bar synchronizing moving, therefore by carrying out self-locking to anti-dead man in the locked groove on locking key slide plate Plate is used cooperatively with solution lock key, is ensured that under unlocked state solution lock key cannot be extracted, could only be extracted in the lockout condition Lock key is solved, but in the unlocked state, when high pressure powers on, lock operation will be executed automatically, avoid leaving security risk, into one Step improves safety.The utility model uses position sensor, can guarantee that locking bar operates every time in locked position of coupler and unlocked position In place, easy to unlock.The blocking device of the utility model has electrical verification, automatic blocking, artificial unlocking function, safe to use Reliably.

Description of the drawings

The embodiments of the present invention are 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 the utility model high-tension switch cabinet.

Fig. 2 is the two of the block diagram of the blocking device of the anti-hot line job of the utility model high-tension switch cabinet.

Fig. 3 is the schematic diagram of the utility model high-voltage signal conversion circuit

Fig. 4 is a kind of structural schematic diagram of the blocking mechanism of the utility model 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 the utility model another kind blocking mechanism 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 the utility model solution lock key.

Figure 13 is the schematic diagram of the utility model electric power management circuit.

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 utility model, including it is mounted on high pressure Blocking mechanism 4 on switchgear, the solution lock key 7 for being connect with blocking mechanism 4 and for showing high-tension switch cabinet band The electrification display 2 of the electrification display 2 of electriferous state, the utility model can will be charged as shown in Figure 1 using commercial product Display 2 is mounted on high-voltage switch gear cabinet, so that electrification display 2 is connect with signal processing module 6 by conducting wire, also can be by band Electric display 2 is mounted in blocking mechanism 4 and is mounted on high-voltage switch gear cabinet again, by the way that the high-voltage electricity in high-tension switch cabinet is arranged Hold sensor 1 and acquire electrification in high voltage situation, passes through the band of the electrification indicating circuit real-time display high-tension switch cabinet of electrification display 2 Electricity condition, while as shown in Figure 3, electrification in high voltage signal will be acquired by high-voltage signal conversion circuit and change into voltage signal output, Unlock/block signal is provided to blocking mechanism 4, under electrification in high voltage state, blocking mechanism 4 cannot unlock, and keep latch like State, only under no 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, the blocking mechanism 4 of the utility model includes locking shell 8, signal processing mould Block 6 and 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 It solves power electrode 7-2, coordination electrode 7-4 and anti-dead man 7-3 on lock key 7 and passes through corresponding electrode hole and anti-dead man hole 8-4, and Signal processing module 6, motor 5-3 and executing agency 5 are mounted in locking shell 8.

See Fig. 1, shown in 2, the signal processing module 6 of the utility model receives the voltage signal that electrification display 2 exports, connects The control signal and working power that solution lock key 7 exports are received, the acquisition locking bar 5-1 of position sensor 3 is received and is unlocking and be latched position Position signal when setting, after signal processing module 6 is to each signal processing of reception, in the lockout condition without high-voltage signal when export Drive signal control motor 5-3 is unlocked operation, and output drive signal controls motor when having high-voltage signal in the unlocked state 5-3 carries out automatic blocking operation.The utility model is by solving the battery in lock key 7 to signal processing module 6 and motor 5-3 Working power is provided, signal processing module 6 handles the voltage signal and control signal of reception, and judgement has operation solution key The control signal sent and under high pressure electroless state on spoon 7, signal processing module 6 gives motor 5-3 to provide by driving circuit Power supply makes motor 5-3 work that locking bar 5-1 be driven to retract and unlock；In blocking, judgement has sends on operation solution lock key 7 It controls signal 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 continue to keep closing Lock status, therefore do not controlled by button 7-1；But in the unlocked state, once high pressure powers on, signal processing module 6 receives electrification When display sends 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 module 6 provides power supply by driving circuit to motor 5-3, 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 utility model, and microprocessor can be multiple in shell 8 by being latched Pillar is mounted in locking shell 8, and the signal processing module 6 of the utility model uses existing microprocessor, microprocessor utensil There are the ports I/O for receiving electrification display output voltage signal, the power end for receiving working power, for receiving control letter Number and position signal the ports I/O, the voltage signal output end of electrification display and the output end of position sensor 3 respectively with The ports I/O of microprocessor connect, power interface and control signal end interface respectively with microprocessor corresponding power end and I/O Port connects, and power interface and control signal end interface are fixed on locking shell 8 or microprocessor, driving circuit and motor 5- The ports I/O of 3 power end connection, driving circuit and microprocessor connect, and microprocessor has power down store function, memory Last mode of operation.

See shown in Fig. 4~11, the executing agency 5 of the utility model 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 are driven to stretch out or retract, and motor 5-3 is micro DC Machine, the executing agency 5 of the utility model be used for the ground connection handle hole of net cabinet or the cabinet door of high-tension switch cabinet be latched or Unlock.See Fig. 6,7 and 10, shown in 11, it is upper simultaneously and locking bar that the locking key slide plate 5-2 of the utility model is mounted on locking bar 5-1 5-1 synchronizing movings, locking key slide plate 5-2 carries flanging, and is mounted on locking bar 5-1 by fastener, and locking key is slided Plate 5-2 is equipped with anti-dead man 7-3 the jack 5-21 passed through and the locked groove 5-22 communicated with jack 5-21, and locked groove 5-22 is used for Anti- dead man 7-3 solves the dial-out of lock key 7 in addition to locked position of coupler.See Fig. 6,7 and 10, shown in 11, the locking of the utility model 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 are equipped with indent Notch, the anti-dead man 7-3 after unlock is arranged in the locked groove 5-22 on locking key slide plate 5-2, and on anti-dead man 7-3 Notch is connected on locking key slide plate 5-2, and solution lock key 7 cannot be transferred to, reasonable for structure, easy to operate, by being latched key Slide plate 5-2 is used cooperatively with solution lock key 7, it is ensured that solution lock key 7 cannot be extracted in unlocked position, only in locking position Lock key 7 is solved when setting to be extracted from the jack 5-21 on locking key slide plate 5-2, prevent from arbitrarily pulling out in unlocked position Go out to solve lock key 7, and further increases processing safety.

See Figure 10, shown in 11, the position sensor 3 of the utility model is mounted on locking shell 8 or signal processing module 6 On, locking bar 5-1 is exported in unlocked position and the position signal of locked position of coupler by position sensor 3.The position of the utility model It sets sensor 3 and two Hall sensors can be used, and be fixed with permanent magnetic strip on locking bar 5-1, and permanent magnetic strip can be with locking bar 5-1 is moved together, and is sent out signal to signal processing module 6 by two Hall sensors, in unlocked position and is closed to locking bar 5-1 Lock position is defined, and locking bar 5-1 is enable to stretch in certain distance, ensures that locked position of coupler operates in place every time.This practicality is new Type Hall sensor failure in order to prevent causes damage miniature DC motor, the utility model that motor for preventing stall guarantor also can be used Protection circuit, the motor for preventing Lock protective circuit use existing current-limiting circuit or time timing circuit, pass through Hall sensor knot Current-limiting circuit or the binding time timing circuit of conjunction and realize control.The position sensor 3 of the utility model also can be used existing Other forms.

See shown in Fig. 4~7, a kind of blocking mechanism 4 of structure of the utility model, one end of 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 the one of locking shell 8 Lockhole 8-2 of the end equipped with polygon, locking bar 5-1 are corresponding polygon, can prevent the rotation of locking bar 5-1, make locking bar 5-1 can only Make stretching motion and locking or unlock carried out to cabinet door, when locking enables locking bar 5-1 to be fitted in cabinet door.See shown in Fig. 4~7, this The blocking mechanism 4 of utility model is box shaped, and locking shell 8 includes the case 8-1 and cover board 8-7 of assembling, and electrification display 2 is uneasy Mounted in locking shell 8 in, case 8-1 on panel be equipped with electrode hole and anti-dead man hole 8-4, can set two power electrode hole 8-3, One coordination 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 on panel, Motor 5-3 is mounted on by electric machine support 5-4 in case 8-1, U shapes holder can be used, motor 5-3 is mounted in case 8-1, It is also equipped in case 8-1 to being latched the fixed briquetting 5-5 of key slide plate 5-2, locking key slide plate 5-2 is reliably mounted at It is latched on shell 8.See shown in Fig. 4~7, the utility model is equipped with installation notch 8-6 in the both sides of case 8-1, can connector card It is connected on the installation of blocking mechanism 4 in installation notch 8-6 on the cabinet.

See shown in Fig. 8~11, be the blocking mechanism 4 of the utility model another kind structure, locking shell 8 is equipped with control stick The handle hole 8-8 passed through, 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 when locking stretch Go out to be located in handle hole 8-8.See Fig. 9, shown in 10, locking shell 8 includes on the case 8-1 and cover board 8-7, case 8-1 of assembling Portion is 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 there is cover board 8-7 the arc panel 8-71 inwardly stretched, cover board 8-7 to be mounted on case 8-1, arc panel 8-71 shelters from case 8- 1 top 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 move back by lockhole 8-2 It returns.See shown in Fig. 8~11, the motor 5-3 of the utility model is mounted on by electric machine support 5-4 in case 8-1, and locking bar 5-1 exists It is stretched out under the drive of motor 5-3 and operation hole 8-8 is latched, and locking bar 5-1 is retracted and is realized unlock to handle hole 8-8.See figure 10, it is also equipped with shown in 11, and in shell to being latched the fixed briquetting 5-5 of key slide plate 5-2, briquetting 5-5 settings are in locking key Locking key slide plate 5-2 is reliably mounted in case 8-1 by the other side of spoon slide plate 5-2.The utility model is to increase to grasp Make the shielded area of hole 8-8, the ends locking bar 5-1 are equipped with block 5-6, and block 5-6 is L-shaped, and the length of block 5-6 is handle hole 0.5~0.9 times of diameter, it is anti-to increase locking bar 5-1 if the length of block 5-6 is operate bore dia 0.6 times or 0.75 times The impact force of external force is also equipped with upper mounting seat 8-9 on the top of locking shell 8, and U-shaped can be used in same upper mounting seat 8-9 Holder will limit the further rows of locking bar 5-1 in locking bar 5-1 setting U-lags.See shown in Fig. 8~11, the band of the utility model Electric display 2 is mounted in locking shell 8, and case 8-1 is not only provided with electrode hole and anti-dead man hole 8-4 on panel, that is, sets two An an a power electrode hole 8-3 and coordination electrode hole 8-5 and anti-dead man hole 8-4, there are no nuclear power jack and corresponding fingers Show that lamp, case 8-1 are additionally provided with the indicator light of display working condition on panel.

See Figure 12, shown in 13, the solution lock key 7 of the utility model includes key shell and the electricity in key shell Pond is fixed with power electrode 7-2, the coordination electrode 7-4 of stretching and anti-dead man 7-3 on key shell, and also pacifies on key shell Equipped with button 7-1, two electrodes and a coordination electrode 7-4 can be used, power electrode 7-2 is connect with battery, and button 7-1 with Coordination electrode 7-4 is corresponded to, and is pushed button 7-1 and is sent out control signal, power electrode 7-2 and coordination electrode by coordination electrode 7-4 7-4 interface connections corresponding on signal processing module 6, signal processing module 6 is supplied to by power supply and control signal.This reality It is the metalized lamp halter with spring leaf with novel power electrode 7-2 and the ends coordination electrode 7-4, it can be reliably by power supply electricity Pole 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 control will be solved Electrode 7-4 processed is plugged in locking 8 corresponding electrode hole of shell and connects with corresponding interface on signal processing module 6 respectively It connects, while anti-dead man 7-3 is plugged in the jack 5-21 of anti-dead man hole 8-4 and locking key slide plate 5-2 of locking shell 8, When without high-voltage signal, button 7-1 is clicked, motor 5-3 actions drive locking bar 5-1 to retract and unlock, cabinet is closed after operation Door, 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 click by Key 7-1, motor 5-3 also do not work, and locking bar 5-1 will not be retracted, and executing agency 5 cannot not by button 7-1 controls when Ji You electricity Unlock, but when having after unlock high-voltage signal, 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 the solution lock key 7 of the utility model is more than power electrode 7-2 and control The length of electrode 7-4 processed, 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 In the jack 5-21 for entering to be latched key slide plate 5-2, in unlocked state, locking key slide plate 5-2 is moved together with locking bar 5-1, By locked groove 5-22 limits anti-dead man 7-3 cannot extract solution lock key 7；If high pressure powers at this time, even without control Signal, signal processing module 6 export block signal, and motor 5-3 is acted and executed lock operation automatically, only in locked position of coupler Solution lock key 7 could be extracted, ensure that the personal safety of operating personnel.

As shown in Figure 13, it is additionally provided with the battery management circuit for judging battery capacity on the solution lock key 7 of the utility model, electricity Pond manage circuit mainly include power management chip Ic, and be connected on the corresponding function feet of power management chip Ic resistance R4, Key is arranged in the peripheral circuit of R5, R6, inductance L1, L2 and L3 and capacitance C1, C2 and indicator light 7-5 compositions, indicator light 7-5 On shell, judges that solution 7 internal cell electricity abundance of lock key can be continuing in battery management circuit, solve on lock key 7 Indicator light 7-5 be green light grow it is bright, if red lamp flass or red light brightness are substantially reduced, show solve lock key 7 in battery capacity not Foot needs replacing solution lock key 7.The solution lock key 7 of the utility model can solve the problems, such as to power to blocking device, unlock simultaneously Key 7 can be universally used in all installations and be unlocked operation with the high-tension switch cabinet of model blocking device.

See shown in Fig. 1~12, when utility model works, can self-test first be carried out to the electricity on solution lock key 7, press solution " locking/unlock " button 7-1 on lock key 7, if green light length is bright to show that solving 7 internal cell electricity abundance of lock key can continue It uses, if red lamp flass or red light brightness are substantially reduced, shows that solving 7 battery capacity deficiency of lock key needs replacing solution lock key 7, Ensure the reliability of operation.Three electrodes on lock key 7 and the counter electrode on anti-dead man 7-3 alignment blocking mechanisms will be solved In hole and anti-dead man hole 8-4, make power electrode 7-2 on solution lock key 7 and coordination electrode 7-4 respectively with signal processing module 6 Upper corresponding interface connection, while anti-dead man 7-3 is plugged in the jack 5-21 of locking key slide plate 5-2, presses unlock Button 7-1 on key 7, signal processing module 6 receives the voltage signal that electrification display 2 exports and control signal, in no high pressure Output drive signal when signal, when the 5-3 actions of control motor make locking bar 5-1 be retracted into unlocked position, 3 carry-out bit of position sensor Confidence number gives signal processing module 6, motor 5-3 to be stopped, and completes unlock operation, cabinet door or taking-up are closed after operation Control stick, 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 3 output position signal of sensor is set to signal processing module 6, motor 5-3 is stopped, and completes lock operation, repeatedly.When When having high-voltage signal, the button 7-1 on solution lock key 7 is clicked, motor 5-3 is failure to actuate and cannot unlock.Due to unlocked state Shi Buneng extracts solution lock key 7, if high pressure powers at this time, signal processing module 6 receives electrification display 2 and sends out high pressure belt Electric signal, even without control signal, motor 5-3 work makes locking bar 5-1 stretch out and carries out an automatic blocking, due to micro- place Reason 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.