CN101867159B - Device for preventing high-voltage switch cabinet from being locked by mistake - Google Patents
Device for preventing high-voltage switch cabinet from being locked by mistake Download PDFInfo
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- CN101867159B CN101867159B CN2009100306158A CN200910030615A CN101867159B CN 101867159 B CN101867159 B CN 101867159B CN 2009100306158 A CN2009100306158 A CN 2009100306158A CN 200910030615 A CN200910030615 A CN 200910030615A CN 101867159 B CN101867159 B CN 101867159B
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Abstract
The invention relates to a device for preventing a high-voltage switch cabinet from being locked by mistake. The device comprises a main mechanism, a portable mechanism and a live detection circuit, wherein the main mechanism comprising an electromagnetic lock can be mounted on the high-voltage switch cabinet, and a high-voltage sensor has signal access to the main mechanism; the portable mechanism comprising a DC (direct current) power source is connected with the main mechanism via a connector; and the live detection circuit is arranged in the main mechanism and the portable mechanism and used for detecting the signal from the high-voltage sensor, the electromagnetic lock is not unlocked if high voltage is detected according to the detection results, and the electromagnetic lock is driven by the live detection circuit to be unlocked if no high voltage is detected, thus locking the operating handle and a cabinet door of the switch cabinet in a forced manner. Based on the combination of the main mechanism and the portable mechanism, the invention can solve the problem that the device for preventing a ring-network cabinet from being locked by mistake cannot be powered if no low-voltage power source is available around the ring-network cabinet and achieve the testing and unlocking processes at one step.
Description
Technical field
The present invention relates to a kind of high-tension switch cabinet anti-incorrect manipulation deadlock device, relate in particular to anti-charged ground cutter, the charged anti-misoperation locking device of opening faulty operation such as cabinet door of closing of a kind of ring main unit.
Background technology
Outdoor ring main unit is simple and reliable, in the urban electricity supply network, uses in a large number.Outdoor ring main unit has the anti-misoperation locking device of machinery, and under the enterprising lines spare of ring main unit power supply, this anti-misoperation locking device can prevent chargedly to close the ground cutter, chargedly open misoperation such as cabinet door and take place.Because the hand-in-hand network connection mode of ring network power supply, there is the situation of inlet wire under the power supply in ring main unit, and this moment, the mechanical anti-misoperation locking device of ring main unit itself just can not prevent charged close ground cutter, charged generation of opening pernicious misoperations such as cabinet door.
To this situation, one of solution route is to adopt high-voltage electriferous display locking device, detects the electrification in high voltage situation through high pressure sensor, allows to open electromagnetic lock according to having or not high pressure to determine whether.High-voltage electriferous display locking device needs working power, and the working power of present most of high voltage display device adopts the 220V power of alterating and direct current, and the scheme of the secondary 100V power supply that adopts voltage transformer is also arranged.
Chinese patent ZL02283589.X discloses a kind of " the charged demonstration locking device of induction-type high-voltage ", and this locking device needs external 220V power supply, and this locking device is not suitable near the ring main unit that does not have low-tension supply those.
Chinese patent ZL200420114302.3 discloses a kind of " the charged demonstration locking device of built-in power induction-type high-voltage "; This device is provided with battery in inner bonnet be the locking device power supply; Remove the problem of external power supply from, but brought maintenance, the replacing problem of battery; If device quantity is many, then use a lot of batteries, maintenance workload also increases.
The disclosed electrification in high voltage locking device of aforementioned two patents all is to detect the electrification in high voltage situation, will reflect result's output of electrification in high voltage situation again, and device itself does not comprise blocking mechanism.Accomplish electrification in high voltage and detect blocking function; Need special equipment to obtain the uncharged information of high pressure from the electrification in high voltage locking device; Carry out the release of corresponding blocking mechanism again, electrical verification and release can not once be accomplished, and bring charged information and release mechanism corresponding relation problem; More loaded down with trivial details, also there is potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of anti-misoperation locking device, this device can overcome the deficiency of present anti-misoperation locking device, needn't the locking device working power be set for each high-tension switch cabinet, and electrification in high voltage detects and anti-misoperation locking is once accomplished.Apparatus structure is compact, reliable operation, and easy to use, maintenance workload is little.
In order to achieve the above object, technical scheme of the present invention is: anti-misoperation locking device comprises main body mechanism, and main body mechanism can be installed in high-voltage switch gear cashier's office in a shop, and the signal of high pressure sensor inserts main body mechanism, comprises electromagnetic lock in the main body mechanism; Anti-misoperation locking device comprises portable body, comprises DC power supply in the portable body, is connected through plug connector between portable body and the main body mechanism; Anti-misoperation locking device also comprises charged testing circuit, and charged testing circuit can be arranged in main body mechanism and the portable body; Charged testing circuit detects the signal from high pressure sensor, and testing result is not release of electromagnetic lock when high pressure is arranged, testing result charged testing circuit driving electromagnetic lock unlock during for no high pressure.
Main body mechanism comprises handle hole, can carry out the operation of switch cubicle through handle hole; Electromagnetic lock comprises the shield sheet, but translation of shield sheet or rotation are blocked or exposed handle hole; Electromagnetic lock comprises electromagnet, and electromagnet can drive shielding plate translation or rotation; During the electromagnetic lock locking, the shield sheet blocks handle hole; Behind the electromagnetic lock unlock, the shield sheet is removed and is no longer blocked handle hole.
Electromagnetic lock also comprises drop in leaf, and drop in leaf can rotate around the axis; When the electromagnetic lock locking, the shield sheet blocks the part of handle hole, and the shield sheet also withstands drop in leaf, and shielding plate and drop in leaf block handle hole jointly; Behind electromagnetic lock unlock, shielding plate is removed and is no longer blocked handle hole, and drop in leaf also can freely stir around the shaft, and handle hole is in operable state.
Drop in leaf has a forward position, and when the electromagnetic lock locking, the forward position keeps off in the upper edge of shielding plate, avoids artificially shielding plate being moved on to unlocked position.
Main body mechanism comprises handle hole, can carry out the operation of switch cubicle through handle hole; Electromagnetic lock comprises the shield sheet, but translation of shield sheet or rotation, thus realize blocking or exposing said handle hole; Electromagnetic lock comprises block, but block translation or rotation; But block locking or unclamp shielding plate; Electromagnetic lock comprises an electromagnet, and electromagnet can drive block translation or rotation; During the electromagnetic lock locking, the shield sheet blocks handle hole, block locking shield sheet; Behind the electromagnetic lock unlock, block unclamps shielding plate, but shield sheet people is translation or rotation, can make shielding plate no longer block said handle hole.
Electromagnetic lock comprises a block, but block translation or rotation; But block locking or unclamp the door lock of high-tension switch cabinet; Electromagnetic lock comprises an electromagnet, and electromagnet can drive block translation or rotation; During the electromagnetic lock locking, the door lock of block locking high-tension switch cabinet; Behind the electromagnetic lock unlock, block unclamps, but the door lock people of high-tension switch cabinet is for opening.
Electromagnetic lock comprises a block, the removable or rotation of block; But block locking or unclamp the cabinet door of high-tension switch cabinet; Electromagnetic lock comprises an electromagnet, and electromagnet can drive block translation or rotation; During the electromagnetic lock locking, the cabinet door of block locking high-tension switch cabinet; Behind the electromagnetic lock unlock, block unclamps, but the cabinet door people of high-tension switch cabinet is for opening.
Electromagnet is a bistable electro-magnet, and electrification in high voltage testing circuit testing result is during for no high pressure, and the electrification in high voltage testing circuit drives bistable electro-magnet and moves, electromagnetic lock unlock.
Electromagnetic lock comprises electric contact, and electric contact is serially connected between charged testing circuit and the bistable electro-magnet, and this electric contact breaks off with the bistable electro-magnet action, i.e. no longer power consumption after the action of assurance bistable electro-magnet.
Charged testing circuit comprises a regularly power-on circuit, and regularly power-on circuit is connected in short-term to bistable electro-magnet and switched on when carrying out the electromagnetic lock unlock instruction.
Electromagnetic lock also comprises a locking component, and after portable body and main body mechanism were in inserting state, if said electromagnetic lock unlock, locking component made portable body and main body mechanism keep inserting state not separate; After electromagnetic lock resetted, locking component resetted thereupon, and portable body and main body mechanism can separate.
Anti-misoperation locking device also comprises push-button switch, and push-button switch is serially connected in DC power supply on the circuit of charged testing circuit power supply.
DC power supply is rechargeable battery or dry cell.
Anti-misoperation locking device also comprises charged display circuit, and charged display circuit detects the signal of high pressure sensor, shows the electrification in high voltage situation.
Be further described in conjunction with accompanying drawing
Fig. 1, anti-misoperation locking device principle schematic.
The locking device operation principle sketch map of Fig. 2, band handle hole and shielding plate
The locking device operation principle sketch map of Fig. 3, band handle hole, shielding plate and drop in leaf
The locking device sketch map of Fig. 4, band handle hole, rotatable shielding plate and shielding plate lockable mechanism
The locking device sketch map of Fig. 5, band handle hole, removable shielding plate and shielding plate lockable mechanism
Fig. 6, high-voltage switch gear cabinet door lock locking device sketch map
Fig. 7, high-tension switch cabinet cabinet door latch apparatus sketch map
Bayonet fitting parts and electric contact operation principle sketch map between Fig. 8, main body mechanism and the portable body;
Fig. 9, have high-tension electricity electricity display circuit, the principle schematic of the anti-misoperation locking device of power-on circuit and push-button switch regularly
One of Figure 10, embodiment
Two of Figure 11, embodiment
Fig. 1 is an anti-misoperation locking assembling device principle schematic of the present invention; Error-preventing locking mechanism comprises main body mechanism 1 and portable body 2, and main body mechanism 1 comprises electromagnetic lock 5, and portable body 2 comprises DC power supply 6; Charged testing circuit 4 is arranged in main body mechanism 1 and portable body 2.DC power supply 6 is to 4 power supplies of charged testing circuit, is connected by connector 7 between portable body 2 and the main body mechanism 1.Charged testing circuit 4 detects the signal of high pressure sensors 3, and testing result does not drive electromagnetic lock 5 releases when high pressure is arranged; Testing result is 5 releases of driving electromagnetic lock during for no high pressure.
Fig. 2 is the locking device operation principle sketch map of band handle hole of the present invention and shielding plate; Anti-misoperation locking device comprises a handle hole 8, can carry out the operation of switch cubicle through handle hole 8, for example closes operations such as ground cutter; Electromagnet 10 in the electromagnetic lock 5 drives a shield sheet 9.During locking, shield sheet 9 retainings stop the operation to switch cubicle in handle hole 8 back; During release, shielding plate 9 is removed and is no longer blocked handle hole 8, at this moment allows the operation to switch cubicle.
Fig. 3 is the locking device operation principle sketch map of band handle hole of the present invention, shielding plate and drop in leaf; Anti-misoperation locking device comprises a handle hole 8, can carry out the operation of switch cubicle through handle hole 8; Electromagnet 10 in the electromagnetic lock 5 drives a shield sheet 9, and the top of handle hole 8 also has a drop in leaf 11, and drop in leaf 11 can 12 rotate around the shaft.During electromagnetic lock 5 lockings, shield sheet 9 blocks the part of handle hole 8, and shield sheet 9 withstands drop in leaf 11, and drop in leaf 11 can not be rotated, and at this moment, shielding plate 9 blocks handle hole 8 jointly with drop in leaf 11; After electromagnetic lock 5 releases, electromagnet 10 drive shielding plates 9 are removed and are no longer blocked handle hole 8, and at this moment drop in leaf 11 can 12 freely stir around the shaft, and handle hole 8 is in operable state.Drop in leaf 11 has a forward position 13, and when electromagnetic lock 5 lockings, these forward position 13 retainings are avoided artificially shielding plate 9 being moved on to unlocked position in the upper edge of shielding plate 9, can avoid the generation of violation operation.
Fig. 4 is the locking device sketch map of band handle hole of the present invention, rotatable shielding plate and shielding plate lockable mechanism; A handle hole 8 is arranged on the anti-misoperation locking device, on the rotatable shielding plate 9 handle hole 8 is arranged also, two handle holes 8 are overlapped through rotating shielding plate 9; After two handle holes overlap, can carry out the operation of switch cubicle; Electromagnet 10 in the electromagnetic lock 5 drives a block 14, but this block 14 lockings or unclamp shielding plate 9; During locking, the handle hole 8 on the shielding plate 9 with the device on handle hole 8 do not overlap, block 14 locking shielding plates 9, shielding plate 9 can not artificially rotate; During release, when block 14 unclamped shielding plate 9, shielding plate can artificially rotate, and rotatable shielding plate overlaps two handle holes.
Fig. 5 is the locking device sketch map of band handle hole of the present invention, removable shielding plate and shielding plate lockable mechanism; A handle hole 8 and a removable shielding plate 9 are arranged on the anti-misoperation locking device, and electromagnet in the electromagnetic lock 5 10 drives a block 14, but this block 14 lockings or unclamp removable shielding plate 9; During locking, removable catch 9 retainings are in the back of handle hole 8, and block 10 pins shielding plate 9 and can not move; After the release, but shielding plate 9 people move to the position of not blocking handle hole 8.
Fig. 6 is a high-voltage switch gear cabinet door lock locking device sketch map of the present invention; Baffle plate 16 is arranged on the door lock lock shaft 15, and baffle plate 16 is used to limit opening of cabinet door; Electromagnet 10 in the electromagnetic lock 5 drives a block 14; During locking, baffle plate 16 pins the cabinet door, and block 14 pins lock shaft 15, can not rotate lock shaft 15 and open the cabinet door; During release, block 14 withdrawals can artificially be rotated lock shaft 15 and can be opened the cabinet door.Adopt the structure of Fig. 4, Fig. 5, Fig. 6, can reduce the stroke of bistable electro-magnet, thereby reduce the volume and the power consumption of device.
Fig. 7 is a high-tension switch cabinet cabinet door latch apparatus sketch map of the present invention; Electromagnet 10 in the electromagnetic lock 5 drives a block 14; Block 14 stretches out and then pins the cabinet door, and block 11 withdrawals then can be opened the cabinet door.
Bayonet fitting parts and electric contact operation principle sketch map between Fig. 8 main body mechanism and the portable body; Comprise bistable electro-magnet 17 in the main body mechanism 1, portable body 2 is connected with main body mechanism 1 through plug connector 7.Also comprise a locking component 20 in main body mechanism 1 and the portable body 2, after being in inserting state between main body mechanism 1 and the portable body 2, as if electromagnetic lock 5 releases, locking component 20 will make main body mechanism 1 and portable body 2 be in inserting state can not to separate; After electromagnetic lock 5 resetted (locking), locking component 20 resetted thereupon, and main body mechanism 1 could separate with portable body 2.Electromagnetic lock 5 also comprises an electric contact 18; Electric contact 18 can be serially connected between charged testing circuit 4 and the bistable electro-magnet 17; This electric contact breaks off with bistable electro-magnet 17 actions; After making bistable electro-magnet 17 actions, electric contact 18 breaks off thereupon, and charged testing circuit 4 is no longer supplied power to bistable electro-magnet immediately.
Fig. 9 is the principle schematic that has the electrification in high voltage display circuit and the anti-misoperation locking device of timing power-on circuit of the present invention; Charged testing circuit 4 comprises a regularly power-on circuit 19, and regularly power-on circuit 19 is connected bistable electro-magnet 17 in short-term when carrying out bistable electro-magnet 17 unlock commands, makes bistable electro-magnet 17 action of switch in short-term, subsequently with regard to no longer power consumption.Charged display circuit 22 detects the signal of high pressure sensor 3; Show the electrification in high voltage situation; The induced electricity of charged display circuit high pressure sensor 3 capable of using is as power supply; Also can luminously show without 6 power supplies of the DC power supply of portable body 1, can be before unlocking operation the charged situation of first facilities for observation, be that operation increases a basis for estimation.On the circuit of charged testing circuit 4 power supplies, a push-button switch 21 is arranged at DC power supply 6, press when push-button switch 21, anti-misoperation locking device is just started working, and does not work at ordinary times, can reduce power consumption like this.
Figure 10 is one of embodiment of anti-misoperation locking device of the present invention, and its course of work brief introduction is following: charged testing circuit 4 and electromagnetic lock 5 are arranged in the main body mechanism 1, DC power supply 6 is arranged in the portable body 2; High pressure sensor 3 signals insert charged testing circuit 4, and charged testing circuit 4 detects and demonstration electrification in high voltage situation.Main body mechanism 1 is connected through plug connector 7 with portable body 2, also has a locking component 20 also together to peg graft between the two.Under electromagnetic lock locking situation, shielding plate 9 upwards withstands drop in leaf 11, and shielding plate 9 blocks handle hole 8 jointly with drop in leaf 11, and this moment can't be through the operation of handle hole 8 enforcements to high-tension switch cabinet.When charged testing circuit 4 work, detect the electrification in high voltage situation, testing result does not then drive bistable electro-magnet 17 actions for high pressure is arranged, and keeps blocking; If testing result is no high pressure; Then drive bistable electro-magnet 17 actions; Shielding plate 9 glides and no longer blocks handle hole 8, and drop in leaf 11 can freely overturn, and this moment can be through the operation of handle hole 8 enforcements to high-tension switch cabinet; The action of bistable electro-magnet simultaneously can make locking component 16 locked, and main body mechanism 1 can not separate with portable body 2.Completion can upwards push away the push rod 23 that resets after high-voltage switch gear work cashier's office in a shop, bistable electro-magnet 17 is resetted, and electromagnetic lock 5 recovers lockings, removes the locking state of locking component 20 simultaneously, can separate between main body mechanism 1 and the portable body 2.
Figure 11 be anti-misoperation locking device of the present invention embodiment two, its course of work brief introduction is following: charged display circuit 22, electromagnetic lock 5 are arranged in the subject mechanism, charged testing circuit 4 and DC power supply 6 are arranged in the portable body 2; High pressure sensor 3 signals insert main body mechanism 1, send charged display circuit 22; Main body mechanism 1 is connected with cable 24 through plug connector 7 with portable body 2.Also have a locking component 20 also together to peg graft between the two.Through plug connector 7 the high pressure sensor signal is inserted the charged testing circuit 4 in the portable body, charged testing circuit 4 detects the electrification in high voltage situation; Simultaneously through the output drive signal access bistable electro-magnet 17 of plug connector 7 with charged testing circuit 4.Under electromagnetic lock locking situation, shielding plate 9 upwards withstands drop in leaf 11, and shielding plate 9 blocks handle hole 8 jointly with drop in leaf 11, and this moment can't be through the operation of handle hole 8 enforcements to high-tension switch cabinet.When charged testing circuit 4 work, detect the electrification in high voltage situation, testing result does not then drive bistable electro-magnet 17 actions for high pressure is arranged, and keeps blocking; If testing result is no high pressure; Then drive bistable electro-magnet 17 actions; Shielding plate 9 glides and no longer blocks handle hole 8, and drop in leaf 11 can freely overturn, and this moment can be through the operation of handle hole 8 enforcements to high-tension switch cabinet; The action of bistable electro-magnet simultaneously can make locking component 16 locked, and main body mechanism 1 can not separate with portable body 2.Completion can upwards push away the push rod 23 that resets after high-voltage switch gear work cashier's office in a shop, bistable electro-magnet 17 is resetted, and electromagnetic lock 5 recovers lockings, removes the locking state of locking component 20 simultaneously, can separate between main body mechanism 1 and the portable body 2.
Portable body 2 can be carried by operating personnel, and a portable body 2 can be common to all high-tension switch cabinets that the same model anti-misoperation locking device is installed and carry out the electrical verification release.Need portable body 2 and respective switch main body mechanism 1 be cashier's office in a shop pegged graft in certain switch cubicle operation, can carry out high voltage testing and unlocking operation.
Anti-misoperation locking device of the present invention can reach following effect:
1, adopts the anti-misoperation locking device of main body mechanism and portable body compound mode, do not have the powerup issue of the ring main unit anti-misoperation locking device of low-tension supply near having solved.Electromagnetic lock adopts bistable electro-magnet, and power consumption is extremely low, and rechargeable battery fills once electricity or changes one group of dry cell and can accomplish unlocking operation hundreds of times.
2, electrical verification and release are once accomplished.Portable body only need click switch with after main body mechanism is connected, and can accomplish electrical verification and release, and is easy and simple to handle.
3, considered the reset issues behind the unlocking operation, after maintenance finished, if device is not resetted (locking), portable body just can't be taken off, and avoids staying potential safety hazard.
4, the mode that locking device adopts electrification in high voltage to show and electrification in high voltage detection locking two cover systems work alone can be observed high-voltage charge display device earlier and confirmed no high pressure, detects the locking device release through electrification in high voltage again, thereby has further improved fail safe.
5, applied range.Because anti-misoperation locking device reliable operation of the present invention is easy to use, be not suitable for the occasion of the reliable low-tension supplies of difficult acquisition such as ring main unit, also can be used on other various high voltage testing locking places that need; Also can be used on the equipment of existing mechanical interlocking device in case of necessity, with further raising fail safe.
The cited implementation of presents is nonrestrictive; To one skilled in the art; Actual device can carry out various improvement and variation; So long as use portable body to cooperate with main body mechanism, portable body is supplied power to main body mechanism through inserting mode, thereby the method that realizes integrated electrical verification and release all is protection scope of the present invention.
Claims (15)
1. high-tension switch cabinet anti-misoperation locking device is characterized in that:
Anti-misoperation locking device comprises main body mechanism (1), and main body mechanism (1) is installed in high-voltage switch gear cashier's office in a shop, and the signal of high pressure sensor (3) inserts main body mechanism (1), comprises electromagnetic lock (5) in the main body mechanism (1);
Anti-misoperation locking device comprises portable body (2), comprises DC power supply (6) in the portable body (2), is connected through plug connector (7) between portable body (2) and the main body mechanism (1);
Anti-misoperation locking device also comprises charged testing circuit (4), and charged testing circuit (4) is arranged in main body mechanism (1) and the portable body (2);
Charged testing circuit (4) detects the signal from high pressure sensor (3), and testing result is not release of electromagnetic lock (5) when high pressure is arranged, and testing result is the release of charged testing circuit (4) driving electromagnetic lock (5) during for no high pressure.
2. according to the said anti-misoperation locking device of claim 1, it is characterized in that:
Main body mechanism (1) comprises handle hole (8), can carry out the operation of switch cubicle through handle hole (8);
Electromagnetic lock (5) comprises shielding plate (9), shielding plate (9) but translation or rotation are blocked or are exposed handle hole (8);
Electromagnetic lock (5) comprises electromagnet (10), and electromagnet (10) can drive shielding plate (9) translation or rotation;
During electromagnetic lock (5) locking, shielding plate (9) blocks handle hole (8); After electromagnetic lock (5) release, shielding plate (9) is removed and is no longer blocked handle hole (8).
3. according to the said anti-misoperation locking device of claim 2, it is characterized in that: electromagnetic lock (5) also comprises drop in leaf (11), and drop in leaf (11) (12) around the shaft rotates; When electromagnetic lock (5) locking, shielding plate (9) blocks the part of handle hole (8), and shielding plate (9) also withstands drop in leaf (11), and shielding plate (9) and drop in leaf (11) block handle hole (8) jointly; After electromagnetic lock (5) release, shielding plate (9) is removed and is no longer blocked handle hole (8), drop in leaf (11) also around the shaft (12) freely stir, handle hole (8) is in operable state.
4. according to the said anti-misoperation locking device of claim 3, it is characterized in that: drop in leaf (11) has a forward position (13), and when electromagnetic lock (5) locking, forward position (13) keep off in the upper edge of shielding plate (9), avoid artificially shielding plate (9) being moved on to unlocked position.
5. according to the said anti-misoperation locking device of claim 1, it is characterized in that:
Main body mechanism (1) comprises handle hole (8), can carry out the operation of switch cubicle through handle hole (8);
Electromagnetic lock (5) comprises shielding plate (9), shielding plate (9) but translation or rotation, thereby realize blocking or exposing said handle hole (8);
Electromagnetic lock (5) comprises block (14), block (14) but translation or rotation; Block (14) but locking or unclamp shielding plate (9);
Electromagnetic lock (5) comprises an electromagnet (10), and electromagnet (10) can drive block (14) translation or rotation;
During electromagnetic lock (5) locking, shielding plate (9) blocks handle hole (8), block (14) locking shielding plate (9); After electromagnetic lock (5) release, block (14) unclamps shielding plate (9), shielding plate (9) but the people is translation or rotation, can make shielding plate (9) no longer block said handle hole (8).
6. according to the said anti-misoperation locking device of claim 1, it is characterized in that:
Electromagnetic lock (5) comprises a block (14), block (14) but translation or rotation; Block (14) but locking or unclamp the door lock of high-tension switch cabinet;
Electromagnetic lock (5) comprises an electromagnet (10), and electromagnet (10) can drive block (14) translation or rotation;
During electromagnetic lock (5) locking, the door lock of block (14) locking high-tension switch cabinet; After electromagnetic lock (5) release, block (14) unclamps, but the door lock people of high-tension switch cabinet is for opening.
7. according to the said anti-misoperation locking device of claim 1, it is characterized in that:
Electromagnetic lock (5) comprises a block (14), the removable or rotation of block (14); Block (14) but locking or unclamp the cabinet door of high-tension switch cabinet;
Electromagnetic lock (5) comprises an electromagnet (10), and electromagnet (10) can drive block (14) translation or rotation;
During electromagnetic lock (5) locking, the cabinet door of block (14) locking high-tension switch cabinet; After electromagnetic lock (5) release, block (14) unclamps, but the cabinet door people of high-tension switch cabinet is for opening.
8. according to described any one anti-misoperation locking device of claim 2～7; It is characterized in that: electromagnet (10) is a bistable electro-magnet (17); Electrification in high voltage testing circuit (4) testing result is during for no high pressure; Electrification in high voltage testing circuit (4) drives bistable electro-magnet (17) action, electromagnetic lock (5) release.
9. anti-misoperation locking device according to claim 8; It is characterized in that: electromagnetic lock (5) comprises electric contact (18); Electric contact (18) is serially connected between charged testing circuit (4) and the bistable electro-magnet (17); This electric contact breaks off with bistable electro-magnet (17) action, i.e. no longer power consumption after assurance bistable electro-magnet (17) action.
10. anti-misoperation locking device according to claim 8 is characterized in that: charged testing circuit (4) comprises a regularly power-on circuit (19), and regularly power-on circuit (19) is connected in short-term to bistable electro-magnet (17) and switched on when carrying out electromagnetic lock (5) unlock command.
11. according to described any one anti-misoperation locking device of claim 1～7; It is characterized in that: electromagnetic lock (5) also comprises a locking component (20); After portable body (2) is in inserting state with main body mechanism (1); If said electromagnetic lock (5) release, locking component (20) make portable body (2) and main body mechanism (1) keep inserting state not separate; After electromagnetic lock (5) resetted, locking component (20) resetted thereupon, and portable body (2) and main body mechanism (1) can separate.
12. according to described any one anti-misoperation locking device of claim 1～7, it is characterized in that: anti-misoperation locking device also comprises push-button switch (21), push-button switch (21) is serially connected in DC power supply (6) on the circuit of charged testing circuit (4) power supply.
13. according to described any one anti-misoperation locking device of claim 1～7, it is characterized in that: DC power supply (6) is a rechargeable battery.
14. according to described any one anti-misoperation locking device of claim 1～7, it is characterized in that: DC power supply (6) is a dry cell.
15. according to described any one anti-misoperation locking device of claim 1～7, it is characterized in that: anti-misoperation locking device also comprises charged display circuit (22), charged display circuit (22) detects the signal of high pressure sensor (3), shows the electrification in high voltage situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100306158A CN101867159B (en) | 2009-04-17 | 2009-04-17 | Device for preventing high-voltage switch cabinet from being locked by mistake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100306158A CN101867159B (en) | 2009-04-17 | 2009-04-17 | Device for preventing high-voltage switch cabinet from being locked by mistake |
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| Publication Number | Publication Date |
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| CN101867159A CN101867159A (en) | 2010-10-20 |
| CN101867159B true CN101867159B (en) | 2012-05-30 |
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| CN2009100306158A Active CN101867159B (en) | 2009-04-17 | 2009-04-17 | Device for preventing high-voltage switch cabinet from being locked by mistake |
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| CN109300718B (en) * | 2018-09-13 | 2019-10-11 | 广东求精电气有限公司 | A kind of switchgear anti-misoperation locking device |
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|---|---|
| CN101867159A (en) | 2010-10-20 |
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