CN203654926U - Electromagnetic lock for high voltage switchgear - Google Patents
Electromagnetic lock for high voltage switchgear Download PDFInfo
- Publication number
- CN203654926U CN203654926U CN201420006139.2U CN201420006139U CN203654926U CN 203654926 U CN203654926 U CN 203654926U CN 201420006139 U CN201420006139 U CN 201420006139U CN 203654926 U CN203654926 U CN 203654926U
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- electromagnetic
- gear
- lock
- control circuit
- electromagnetic coil
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Abstract
The utility model discloses an electromagnetic lock for high voltage switchgear. The electromagnetic lock comprises a magnetic filed sensor, a control circuit, a lock case, a movable lock bolt, a first gear, a second gear, an electromagnetic component, a display screen and a switch button, wherein the magnetic field sensor is arranged in a high-tension switch cabinet, the control circuit is connected with the magnetic filed sensor, the movable lock bolt penetrates through the lock case, the first gear is connected with the movable lock bolt and the second gear is engaged with the first gear, and the display screen and the switch button are connected with the control circuit; the electromagnetic component comprises an electromagnetic coil connected with the control circuit, a suction body, an electromagnet, a bumping post, a return spring and a body, wherein the electromagnetic magnet is arranged adjacent to the suction body, the bumping post penetrates through the body and is propped against the limit step of the movable bolt, and the lock shell is provided with a first central spindle and a second central spindle in a protruding way, the first gear is sleeved on the first central spindle, the second gear is sleeved on the second central spindle, and a torsional spring is arranged between the second gear and the second central spindle in a rolling way. The electromagnetic lock provided by the utility model is simple in structure, convenient to operate, and improves the control precision simultaneously.
Description
Technical field
The utility model relates to a kind of electromagnetic lock, particularly relates to a kind of electromagnetic lock for high voltage switchgear equipment.
Background technology
High voltage switchgear equipment refer to voltage 3kV and more than, the indoor and outdoor AC switchgear moving in frequency 50Hz and following power system.The operation of high voltage switchgear equipment has strict operation sequence: prevent mistake drawing switch, prevent on-load drawing isolation switch, prevent mistakenly entering charged chamber, prevent live ground wiring, prevent " the five anti-requirements " of switching on earth wire.Electromagnetic lock safety operation: bright when the indicator lamp on electromagnetic lock panel, show that the high-tension switch cabinet of high-voltage switch gear setting stops normal operation, in high voltage switchgear equipment, there is no high-tension electricity, can open cabinet door; Not bright when the indicator lamp on electromagnetic lock panel, the high-tension switch cabinet of surface high pressure switchgear normally moves, in high voltage switchgear equipment with high-tension electricity, operator can not open high-voltage switch cabinet door, now if desired open cabinet door and check, just need to ask for key release, just can open cabinet door.In prior art, comprise for the electromagnetic lock of high-tension switch gear: lock housing, run through the active lock bolt assembly of lock housing, the electromagnetic assembly that is connected with active lock bolt assembly, with travel switch, the unlock component being connected with electromagnetic assembly of electromagnetic assembly electrical connection and the assembly of unblanking being connected with active lock bolt assembly, in the time that electromagnetic assembly is opened with the assembly of unblanking simultaneously, electromagnetic lock just can be opened.But the complex structure of this device, control accuracy is not high, and the cooperation of unlock component and electromagnetic assembly and the assembly of unblanking exists defect, causes control accuracy not high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electromagnetic lock for high voltage switchgear equipment, simple in structure, easy to operate, has improved control accuracy simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electromagnetic lock for high voltage switchgear equipment is provided, comprise the magnetic field sensor being arranged in high-tension switch cabinet, the control circuit being connected with magnetic field sensor, lock housing, run through the movable locking bolt of lock housing, the first gear being connected with movable locking bolt, the second gear engaging with the first gear, electromagnetic assembly, the display screen being connected with control circuit and the shift knob being connected with control circuit, described electromagnetic assembly comprises the electromagnetic coil being connected with control circuit, be arranged at the adhesive body at electromagnetic coil center, be arranged at the electromagnet at electromagnetic coil center, run through the bumping post of electromagnet, be arranged at return spring and body in adhesive body, described electromagnet arranges near adhesive body, one end of described return spring is fixedly connected with body, the other end of described return spring is connected with bumping post, on described movable locking bolt, be provided with spacing rank, described bumping post is inconsistent through body and spacing rank, outstanding the first axle core and the second axle core of being provided with in described lock housing, described the first geared sleeve is placed on the first axle core, described the second geared sleeve is placed on the second axle core, between described the second gear and the second axle core, also package has torsion spring.
Further, described control circuit comprises the A/D converter being connected with magnetic field sensor, the single-chip microcomputer being connected with A/D converter and the on-off circuit being connected with single-chip microcomputer, described single-chip microcomputer is connected with display screen, described on-off circuit is connected with power supply with after electromagnetic coil series connection, one end of described shift knob is connected with the input of single-chip microcomputer, the other end ground connection of described shift knob.
Further, described on-off circuit comprises the resistance and the triode that are connected with single-chip microcomputer output, and the base stage of described triode is connected with resistance, the grounded emitter of described triode, the colelctor electrode of described triode is connected with electromagnetic coil, and described electromagnetic coil connects power supply.
Further, it is characterized in that, described display screen is a touch-screen.
The beneficial effects of the utility model: the magnetic field that adopts magnetic field sensor to produce when detecting electric wire energising in high-tension switch cabinet, thus detect in real time in high-tension switch cabinet, whether have high-tension electricity.Described control circuit receives the voltage signal of magnetic field sensor output, described display screen is a touch-screen, described display screen is for showing the charged state in high-tension switch cabinet, prompting could be opened cabinet door, maintain the safe handling of electromagnetic lock, thereby control circuit is according to the operation of the input control electromagnetic assembly of the input of voltage signal, shift knob and display screen.Adopt the movable locking bolt of the first gear and the second gear mesh unblank or close, under the effect of torsion spring, movable locking bolt can also be got back to original position.Thereby this device, without tripper is set again, in the time of needs energency-unlocking, only need, by display screen to single-chip microcomputer input energency-unlocking password, just can carry out emergency release, simple in structure, easy to use, has improved control accuracy simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
Fig. 1 is the structural representation of the utility model for the electromagnetic lock of high voltage switchgear equipment.
Fig. 2 is circuit block diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment: as shown in Figure 1 and Figure 2, a kind of electromagnetic lock for high voltage switchgear equipment comprises: be arranged at magnetic field sensor 9 in high-tension switch cabinet, control circuit 6, the lock housing 1 connected with magnetic field sensor 9, run through the movable locking bolt 2 of lock housing 1, the first gear 3, the first gear 4 engaging with the first gear 3, electromagnetic assembly 5, the display screen 7 being connected with control circuit 6 being connected with movable locking bolt 2 and the shift knob 8 being connected with control circuit 6.In the utility model, the magnetic field that adopts magnetic field sensor 9 to produce when detecting electric wire energising, thus detect in real time in high-tension switch cabinet, whether have high-tension electricity.Described control circuit 6 receives the voltage signal that magnetic field sensor 9 is exported, described display screen 7 is a touch-screen, described display screen 7 is for showing the charged state in high-tension switch cabinet, prompting could be opened cabinet door, maintain the safe handling of electromagnetic lock, thereby control circuit 6 is according to the operation of the input control electromagnetic assembly 5 of the input of voltage signal, shift knob 8 and display screen 7.
Particularly, described electromagnetic assembly 5 comprises the electromagnetic coil 50 being connected with control circuit 6, be arranged at the adhesive body 51 at electromagnetic coil 50 centers, be arranged at the electromagnet 52 at electromagnetic coil 50 centers, run through the bumping post 53 of electromagnet 52, be arranged at return spring 54 and body 55 in adhesive body 51, described electromagnet 52 arranges near adhesive body 51, one end of described return spring 54 is fixedly connected with body 55, the other end of described return spring 54 is connected with bumping post 53, on described movable locking bolt 2, be provided with spacing rank 20, described bumping post 53 is inconsistent through body 55 and spacing rank 20.
In described lock housing 1, give prominence to and be provided with the first axle core 30 and the second axle core 40, described the first gear 3 is placed on the first axle core 30, and described the first gear 4 is placed on the second axle core 40, and between described the first gear 4 and the second axle core 40, also package has torsion spring 41.
Described control circuit 6 comprises the A/D converter 60 being connected with magnetic field sensor 9, the single-chip microcomputer 61 being connected with A/D converter 60 and the on-off circuit 62 being connected with single-chip microcomputer 61, described single-chip microcomputer 61 is connected with display screen 7, described on-off circuit 62 is connected with power supply with after electromagnetic coil 50 series connection, one end of described shift knob 8 is connected with the input of single-chip microcomputer 61, the other end ground connection of described shift knob 8.
Described on-off circuit 62 comprises the resistance 620 and the triode 621 that are connected with single-chip microcomputer 61 outputs, the base stage of described triode 621 is connected with resistance 620, the grounded emitter of described triode 621, the colelctor electrode of described triode 621 is connected with electromagnetic coil 50, and described electromagnetic coil 50 connects power supply.
Operating principle of the present utility model: in the time that magnetic field sensor 9 does not detect high-tension electricity, under the control of control circuit 6, display screen 7 demonstrates high-tension switch cabinet does not have high-tension electricity, now can open cabinet door, electromagnetic assembly 5 just can start without outer cipher under the control of control circuit 6, only need Push switch button 8, to control circuit 6 input low level signals, just can make single-chip microcomputer 61 send high level signal, make triode 621 conductings of on-off circuit 62, electromagnetic coil 50 is switched on, effect lower electromagnet 52 at electromagnetic coil 50 moves, bumping post 53 moves and compression retracteding position spring 54 thereupon, the spacing rank 20 of bumping post 53 disengaging activity locking bolts 2, rotate again the first gear 4, the first gear 3 is along with the first gear 4 rotates and rotates, the locking bolt of drive activity simultaneously 2 moves, electromagnetic lock is opened.When magnetic field sensor 9 detect when the high-tension electricity, under the control of control circuit 6, display screen 7 demonstrates high-tension switch cabinet high-tension electricity, now can not open cabinet door, if while needing emergency opening cabinet door to keep in repair, need maintenance man's energency-unlocking password that need ask for instructions from one's superior, input after energency-unlocking password by display screen 7, the single-chip microcomputer 61 of control circuit 6 is exported high level signal, on-off circuit 62 is opened automatically, electromagnetic coil 50 is switched on, electromagnetic assembly 5 is opened, and at this moment rotates the first gear 4 again, just can open cabinet door and keep in repair.
These are only embodiment of the present utility model; not thereby limit the scope of the claims of the present invention; every equivalent structure that utilizes the utility model manual and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner within scope of patent protection of the present utility model.
Claims (4)
1. the electromagnetic lock for high voltage switchgear equipment, it is characterized in that, comprise the magnetic field sensor being arranged in high-tension switch cabinet, the control circuit being connected with magnetic field sensor, lock housing, run through the movable locking bolt of lock housing, the first gear being connected with movable locking bolt, the second gear engaging with the first gear, electromagnetic assembly, the display screen being connected with control circuit and the shift knob being connected with control circuit, described electromagnetic assembly comprises the electromagnetic coil being connected with control circuit, be arranged at the adhesive body at electromagnetic coil center, be arranged at the electromagnet at electromagnetic coil center, run through the bumping post of electromagnet, be arranged at return spring and body in adhesive body, described electromagnet arranges near adhesive body, one end of described return spring is fixedly connected with body, the other end of described return spring is connected with bumping post, on described movable locking bolt, be provided with spacing rank, described bumping post is inconsistent through body and spacing rank, outstanding the first axle core and the second axle core of being provided with in described lock housing, described the first geared sleeve is placed on the first axle core, described the second geared sleeve is placed on the second axle core, between described the second gear and the second axle core, also package has torsion spring.
2. the electromagnetic lock for high voltage switchgear equipment according to claim 1, it is characterized in that, described control circuit comprises the A/D converter being connected with magnetic field sensor, the single-chip microcomputer being connected with A/D converter and the on-off circuit being connected with single-chip microcomputer, described single-chip microcomputer is connected with display screen, described on-off circuit is connected with power supply with after electromagnetic coil series connection, one end of described shift knob is connected with the input of single-chip microcomputer, the other end ground connection of described shift knob.
3. the electromagnetic lock for high voltage switchgear equipment according to claim 2, it is characterized in that, described on-off circuit comprises the resistance and the triode that are connected with the output of single-chip microcomputer, the base stage of described triode is connected with resistance, the grounded emitter of described triode, the colelctor electrode of described triode is connected with electromagnetic coil, and described electromagnetic coil connects power supply.
4. the electromagnetic lock for high voltage switchgear equipment according to claim 1, is characterized in that, described display screen is a touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006139.2U CN203654926U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006139.2U CN203654926U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654926U true CN203654926U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006139.2U Expired - Fee Related CN203654926U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high voltage switchgear |
Country Status (1)
| Country | Link |
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| CN (1) | CN203654926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627646A (en) * | 2020-12-05 | 2021-04-09 | 阜阳万瑞斯电子锁业有限公司 | Encrypted file cabinet lock with multiple protection performance |
-
2014
- 2014-01-06 CN CN201420006139.2U patent/CN203654926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627646A (en) * | 2020-12-05 | 2021-04-09 | 阜阳万瑞斯电子锁业有限公司 | Encrypted file cabinet lock with multiple protection performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |