CN203547279U - Electromagnetic lock for high-voltage switch gear - Google Patents
Electromagnetic lock for high-voltage switch gear Download PDFInfo
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- CN203547279U CN203547279U CN201420006410.2U CN201420006410U CN203547279U CN 203547279 U CN203547279 U CN 203547279U CN 201420006410 U CN201420006410 U CN 201420006410U CN 203547279 U CN203547279 U CN 203547279U
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Abstract
The utility model discloses an electromagnetic lock for a high-voltage switch gear. The electromagnetic lock for the high-voltage switch gear comprises a magnetic field sensor arranged in a high-voltage switch cabinet, a control circuit connected with the magnetic field sensor, a lock shell, a movable lock bolt penetrating through the lock shell, a rotating ring connected with the movable lock bolt, a handle fixedly connected with the rotating ring, an unlocking assembly, a spring bolt, an electromagnetic assembly, a switch button connected with the control circuit and a display screen connected with the control circuit. The unlocking assembly comprises a key and a key base arranged on the connection portion between the rotating ring and the movable lock bolt. One end of the spring bolt is arranged on the key base in a sleeved mode and is meshed with the key base. The electromagnetic assembly comprises a body, an electromagnetic coil, a suction body arranged in the electromagnetic coil, a second spring, an ejector pillar, an electromagnet pillar body and a rotating rod. The electromagnetic coil is connected with the control circuit. One end of the ejector pillar is connected with the second spring. The other end of the ejector pillar is hinged to the rotating rod. The electromagnetic lock for the high-voltage switch gear has the advantages of being simple in structure, convenient to operate and capable of improving the control precision.
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: the indicator lamp on electromagnetic lock panel is bright, shows that the high-tension switch cabinet of high-voltage switch gear setting stops normal operation, there is no high-tension electricity in high voltage switchgear equipment, can open cabinet door; Indicator lamp on electromagnetic lock panel is not bright, and 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, electromagnetic lock for high-tension switch gear comprises: lock housing, the active lock bolt assembly that runs through lock housing, the electromagnetic assembly being connected with active lock bolt assembly, the travel switch, the unlock component being connected with electromagnetic assembly that are electrically connected to electromagnetic assembly and the assembly of unblanking being connected with active lock bolt assembly, when 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, the movable locking bolt that runs through lock housing, tie with active lock the rotating ring connecing, the handle being fixedly connected with rotating ring, be arranged at the unlock component of the junction of rotating ring and movable locking bolt, dead bolt, electromagnetic assembly, the shift knob being connected with control circuit and the display screen being connected with control circuit, one end of described movable locking bolt is flexibly connected with lock housing by the first spring, described unlock component comprises key and is movably set in rotating ring and the key holder of active lock bolt junction, on described key holder, be provided with the keyhole matching with key, one end of described dead bolt is placed on key holder and with key holder and meshes, on described dead bolt, be provided with groove, described electromagnetic assembly comprises the body being placed in lock housing, be arranged at intrinsic electromagnetic coil, be arranged at the adhesive body in electromagnetic coil, be arranged at the second spring in adhesive body, fore-set, electromagnet cylinder and the dwang being rotationally connected with lock housing, described electromagnetic coil is connected with control circuit, one end of described fore-set is connected with the second spring, one end hinge-connection of the other end of described fore-set and dwang and through electromagnet cylinder, on the other end of described dwang, be provided with roller, described roller and dwang form block button hole.
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 resistance and the triode being connected with the output of single-chip microcomputer, 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.
The beneficial effects of the utility model: when magnetic field sensor does not detect high-tension electricity, under the control of control circuit, display screen demonstrates high-tension switch cabinet does not have high-tension electricity, now can open cabinet door, now electromagnetic assembly is communicated with power supply by shift knob, only need Push switch button, to control circuit input low level signal, just can be so that single-chip microcomputer sends high level signal, make the triode conducting of on-off circuit, electromagnetic coil energising, effect lower electromagnet cylinder at electromagnetic coil moves, fore-set moves thereupon and compresses the second spring, fore-set makes dwang rotate around the second hinge, the dead bolt being originally stuck in block button hole is slided around roller, final dead bolt departs from block button hole, move again handle, rotating ring is rotated, rotating ring drives active lock bolt to move, the first spring is compressed, electromagnetic lock is opened, thereby realized the normal unlatching of high-tension switch cabinet.When magnetic field sensor detect when the high-tension electricity, under the control of control circuit, display screen demonstrates high-tension switch cabinet high-tension electricity, now can not open cabinet door, electromagnetic coil is disconnected, even Push switch button, electromagnetic coil is still in off-position, can not work, if while needing emergency opening cabinet door to keep in repair, maintenance man need ask for instructions from one's superior and obtain key, key is inserted to key holder, screw key seat, dead bolt is rotated thereupon, the free end of dead bolt rotates in block button hole, final dead bolt and block button hole depart from, rotating handles more now, can open cabinet door keeps in repair, thereby realized energency-unlocking process.Finally, this apparatus structure is simple, easy to use, and improve control accuracy.
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 that the utility model is for the structural representation of the electromagnetic lock of high voltage switchgear equipment.
Fig. 2 is circuit block diagram of the present utility model.
Fig. 3 is the enlarged drawing at A place in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment: as shown in Figure 1 to Figure 3, a kind of electromagnetic lock for high voltage switchgear equipment comprises: be arranged at the magnetic field sensor 11 in high-tension switch cabinet, control circuit 6, the lock housing 1 connected with magnetic field sensor 11, the movable locking bolt 2 that runs through lock housing 1, the rotating ring 3 being connected with movable locking bolt 2, the handle 4 being fixedly connected with rotating ring 3, be arranged at rotating ring 3 and unlock component 5, dead bolt 7, electromagnetic assembly 8, the shift knob 9 being connected with control circuit 6 of the junction of movable locking bolt 2 and the display screen 10 being connected with control circuit 6.One end of described movable locking bolt 2 is flexibly connected with lock housing 1 by the first spring 20.In described lock housing 1, be provided with the first hinge 13 and the second hinge 12, described rotating ring 3 movable sleeves are placed on the first hinge 13.
The key holder 50 that described unlock component 5 comprises key and is movably set in rotating ring 3 and movable locking bolt 2 junctions, is provided with the keyhole matching with key on described key holder 50.
One end of described dead bolt 7 is placed on key holder 50 and with key holder 50 and meshes, and on described dead bolt 7, is provided with groove 70.
Described electromagnetic assembly 8 comprises the body 80 being placed in lock housing 1, be arranged at the electromagnetic coil 81 in body 80, be arranged at the adhesive body 83 in electromagnetic coil 81, be arranged at the second spring 82 in adhesive body 83, fore-set 84, electromagnet cylinder 85 and the dwang 86 being rotationally connected with lock housing 1, described dwang 86 and the second hinge 12 are rotationally connected, described electromagnetic coil 81 is connected with control circuit 6, one end of described fore-set 84 is connected with the second spring 82, one end hinge-connection of the other end of described fore-set 84 and dwang 86 and through electromagnet cylinder 85, on the other end of described dwang 86, be provided with roller 87, the shape of the shape of described roller 87 and groove 70 matches, described roller 87 forms block button hole with dwang 86.
Described control circuit 6 comprises the A/D converter 60 being connected with magnetic field sensor 11, 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 10, described on-off circuit 62 is connected with power supply with after electromagnetic coil 81 series connection, one end of described shift knob 9 is connected with the input of single-chip microcomputer 61, the other end ground connection of described shift knob 9.
Described on-off circuit 62 comprises resistance 620 and the triode 621 being connected with the output of single-chip microcomputer 61, 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 81, and described electromagnetic coil 81 connects power supply.
Operating principle of the present utility model: when magnetic field sensor 11 does not detect high-tension electricity, under the control of control circuit 6, display screen 10 demonstrates high-tension switch cabinet does not have high-tension electricity, now can open cabinet door, now electromagnetic assembly 8 is communicated with power supply by shift knob 9, only need Push switch button 9, to control circuit 6 input low level signals, just can be so that single-chip microcomputer 61 sends high level signal, make triode 621 conductings of on-off circuit 62, electromagnetic coil 81 energisings, effect lower electromagnet cylinder 85 at electromagnetic coil 81 moves, fore-set 84 moves thereupon and compresses the second spring 82, fore-set 84 makes dwang 86 rotate around the second hinge 12, the dead bolt 7 that makes to be originally stuck in block button hole slides around roller 87, final dead bolt 7 departs from block button hole, move again handle 4, rotating ring 3 is rotated, rotating ring 3 drive activity locking bolts 2 move, the first spring 20 is compressed, electromagnetic lock is opened.When magnetic field sensor 11 detect when the high-tension electricity, under the control of control circuit 6, display screen 10 demonstrates high-tension switch cabinet high-tension electricity, now can not open cabinet door, electromagnetic coil 81 is disconnected, even Push switch button 9, electromagnetic coil 81 is still in off-position, can not work, if while needing emergency opening cabinet door to keep in repair, maintenance man need ask for instructions from one's superior and obtain key, key is inserted to key holder 50, screw key seat 50, dead bolt 7 is rotated thereupon, the free end of dead bolt 7 rotates in block button hole, final dead bolt 7 departs from block button hole, rotating handles 4 more now, can open cabinet door keeps 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 (3)
1. for an 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, the movable locking bolt that runs through lock housing, tie with active lock the rotating ring connecing, the handle being fixedly connected with rotating ring, be arranged at the unlock component of the junction of rotating ring and movable locking bolt, dead bolt, electromagnetic assembly, the shift knob being connected with control circuit and the display screen being connected with control circuit, one end of described movable locking bolt is flexibly connected with lock housing by the first spring, described unlock component comprises key and is movably set in rotating ring and the key holder of active lock bolt junction, on described key holder, be provided with the keyhole matching with key, one end of described dead bolt is placed on key holder and with key holder and meshes, on described dead bolt, be provided with groove, described electromagnetic assembly comprises the body being placed in lock housing, be arranged at intrinsic electromagnetic coil, be arranged at the adhesive body in electromagnetic coil, be arranged at the second spring in adhesive body, fore-set, electromagnet cylinder and the dwang being rotationally connected with lock housing, described electromagnetic coil is connected with control circuit, one end of described fore-set is connected with the second spring, one end hinge-connection of the other end of described fore-set and dwang and through electromagnet cylinder, on the other end of described dwang, be provided with roller, described roller and dwang form block button hole.
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 resistance and the triode being 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006410.2U CN203547279U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high-voltage switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006410.2U CN203547279U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high-voltage switch gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547279U true CN203547279U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006410.2U Expired - Fee Related CN203547279U (en) | 2014-01-06 | 2014-01-06 | Electromagnetic lock for high-voltage switch gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547279U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257107A (en) * | 2015-10-30 | 2016-01-20 | 邓云汉 | Combined lock |
| CN107795196A (en) * | 2016-08-30 | 2018-03-13 | 鸿富锦精密工业(武汉)有限公司 | Smart lock |
| CN109281544A (en) * | 2017-07-21 | 2019-01-29 | 同方泰德国际科技(北京)有限公司 | A kind of electromagnetic lock for rail transportation half-height safety door |
| CN110429503A (en) * | 2019-08-29 | 2019-11-08 | 珠海优特电力科技股份有限公司 | Pressing plate blocking device |
| CN110630104A (en) * | 2018-06-22 | 2019-12-31 | 比特龙有限公司 | Door lock device |
| CN114467236A (en) * | 2019-10-11 | 2022-05-10 | 里塔尔有限责任两合公司 | Switch cabinet with closing element pretensioned into open position |
-
2014
- 2014-01-06 CN CN201420006410.2U patent/CN203547279U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257107A (en) * | 2015-10-30 | 2016-01-20 | 邓云汉 | Combined lock |
| CN107795196A (en) * | 2016-08-30 | 2018-03-13 | 鸿富锦精密工业(武汉)有限公司 | Smart lock |
| CN109281544A (en) * | 2017-07-21 | 2019-01-29 | 同方泰德国际科技(北京)有限公司 | A kind of electromagnetic lock for rail transportation half-height safety door |
| CN110630104A (en) * | 2018-06-22 | 2019-12-31 | 比特龙有限公司 | Door lock device |
| CN110630104B (en) * | 2018-06-22 | 2022-05-27 | 比特龙有限公司 | Door lock device |
| CN110429503A (en) * | 2019-08-29 | 2019-11-08 | 珠海优特电力科技股份有限公司 | Pressing plate blocking device |
| CN114467236A (en) * | 2019-10-11 | 2022-05-10 | 里塔尔有限责任两合公司 | Switch cabinet with closing element pretensioned into open position |
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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: 20140416 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |