CN220306120U - Electromagnetic driving type double-power switch - Google Patents
Electromagnetic driving type double-power switch Download PDFInfo
- Publication number
- CN220306120U CN220306120U CN202220210993.5U CN202220210993U CN220306120U CN 220306120 U CN220306120 U CN 220306120U CN 202220210993 U CN202220210993 U CN 202220210993U CN 220306120 U CN220306120 U CN 220306120U
- Authority
- CN
- China
- Prior art keywords
- iron core
- switch
- push
- control handle
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 110
- 230000003068 static effect Effects 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Electromagnets (AREA)
Abstract
The utility model belongs to the technical field of dual-power switches, and relates to an electromagnetic drive type dual-power switch which comprises a switch main body, wherein the switch main body comprises a first switch mechanism and a second switch mechanism, the first switch mechanism and the second switch mechanism are respectively connected with a first control handle and a second control handle, the first control handle and the second control handle are both connected with a switch driving mechanism, and the switch driving mechanism is a bidirectional electromagnet. The utility model has simple structure, high closing speed, reasonable and compact arrangement and small volume.
Description
Technical Field
The utility model relates to an electromagnetic drive type dual-power switch, and belongs to the technical field of dual-power switches.
Background
The double-power-supply switching technology is widely applied to important places where power failure is not allowed, and generally comprises a controller, a switching mechanism and a double-switch mechanism body, wherein the controller is used for detecting power signals and outputting control signals, controlling switching between the double switches, the switching mechanism comprises a driving unit and a transmission unit, breaking and switching on of the double-switch mechanism body are achieved, the double-switch mechanism body comprises a dynamic contact, a switching mechanism and an arc extinguishing cover, and the controller is used for achieving breaking and switching on of the double-switch mechanism body through controlling the driving unit and the transmission unit. Most of the existing dual-power switch driving units are motor type, and therefore reliability is poor and conversion speed is low.
Disclosure of Invention
The utility model aims to solve the technical problems that: the electromagnetic driving type dual-power switch is simple in structure, high in reliability and low in conversion speed.
The electromagnetic drive type dual-power switch comprises a switch main body, wherein the switch main body comprises a first switch mechanism and a second switch mechanism, the first switch mechanism and the second switch mechanism are respectively connected with a first control handle and a second control handle, the first control handle and the second control handle are both connected with a switch driving mechanism, and the switch driving mechanism is a bidirectional electromagnet.
In the working process, the bidirectional electromagnet controls the first switching mechanism and the second switching mechanism to switch the power supply.
Preferably, the bidirectional electromagnet comprises an outer frame, a middle partition plate is arranged in the middle of the outer frame, the inner space of the outer frame is divided into an upper coil chamber and a lower coil chamber by the middle partition plate, a guide sleeve is further arranged in the outer frame and penetrates through the middle partition plate, a first coil is arranged on the periphery of the guide sleeve in the upper coil chamber, a second coil is arranged on the periphery of the guide sleeve in the lower coil chamber, a movable iron core is arranged in the guide sleeve, a first static iron core and a second static iron core are respectively arranged at two ends in the guide sleeve, the movable iron core is in clearance fit with the inner wall of the guide sleeve, a first push-pull rod and a second push-pull rod are respectively connected at two ends of the movable iron core, and the first push-pull rod and the second push-pull rod are respectively connected with a first control handle and a second control handle.
The first coil and the second coil are connected with a control circuit, the control circuit is controlled by a control unit, and the control unit controls the first coil or the second coil through the control circuit, so that the first coil or the second coil is controlled to be powered on and powered off. The first static iron core and the second static iron core are respectively close to the first coil and the second coil.
When the power is not on, the movable iron core is in a free state; when the first coil is electrified and the second coil is in power failure, the movable iron core moves in the guide sleeve towards the first static iron core, and the movable iron core is attracted with the first static iron core at the moment of electrifying; the second coil is electrified, the first coil is powered off, the movable iron core moves in the guide sleeve towards the second static iron core, and the movable iron core is attracted with the second static iron core at the moment of electrifying. The moving iron core is controlled to move towards two directions by controlling the on-off condition of the first coil and the second coil, so that the switching-on of the first switching mechanism and the second switching mechanism is controlled conveniently.
When the detection unit of the switch main body detects that the common power supply can normally supply power, the control unit controls the first coil to be electrified, the second coil is powered off, the movable iron core moves to drive the second push-pull rod to pull the second control handle, so that the standby power supply is disconnected, and meanwhile, the movable iron core drives the first push-pull rod to push the first control handle to enable the first switch mechanism to complete switching on, and the common power supply is connected; when the detection unit of the switch main body detects that the common power supply is in a problem, the control unit controls the coil II to be electrified, the coil I is powered off, the movable iron core drives the push-pull rod I to control the disconnection of the common power supply, meanwhile, the movable iron core drives the push-pull rod II to push the control handle II to enable the switch mechanism II to finish closing to be connected with the standby power supply, after the common power supply is maintained, the control circuit controls the coil I to be connected, the movable iron core drives the push-pull rod II to pull the control handle II to realize the disconnection of the standby power supply, and meanwhile, the movable iron core drives the push-pull rod I to push the control handle I to enable the switch mechanism I to close, and the common power supply is connected again. The arrangement of the bidirectional electromagnet ensures that the structural arrangement of each part in the switch main body is more compact and the volume is small; and the movable iron core of the bidirectional electromagnet has quick linear motion response, and the common power supply and the standby power supply are quickly switched.
Preferably, the outer frame comprises a U-shaped frame, a capping plate is arranged at the opening end of the U-shaped frame, and the first static iron core and the second static iron core are respectively fixed with the capping plate and the U-shaped frame bottom; the push-pull rod I and the push-pull rod II respectively penetrate through the top sealing flat plate and the U-shaped frame bottom. The U-shaped frame is formed by bending an iron plate, the structure and the forming process are simple, the manufacturing cost is low, and the U-shaped frame is square in shape and is convenient to place and fix in the circuit breaker. The capping flat plate is fixed at the opening end of the U-shaped frame in a welding mode and the like, and the fixing mode is simpler.
Preferably, two ends of the movable iron core are respectively in a frustum shape, and one ends of the first static iron core and the second static iron core, which are matched with the movable iron core, are respectively provided with a frustum-shaped groove. The movable iron core is respectively inserted into the frustum-shaped groove of the first static iron core or the second static iron core in the process of the back and forth movement of the movable iron core, and the movable iron core is more reliably matched with the first static iron core and the second static iron core.
Preferably, the bottoms of the frustum-shaped grooves of the first and second static iron cores are respectively provided with a first magnetic isolation plate and a second magnetic isolation plate. The arrangement of the first magnetic isolation plate and the second magnetic isolation plate reduces or eliminates the magnetic influence of the external magnetic circuit on the movable iron core.
Preferably, two sides of one side wall of the U-shaped frame are additionally provided with fixing lugs, and fixing holes are formed in the fixing lugs. The fixing lugs are convenient for fixing the U-shaped frame and other parts of the switch main body.
Preferably, the connection part of the first push-pull rod and the first control handle and the connection part of the second push-pull rod and the second control handle are respectively provided with a U-shaped handle sleeve, the opening end of the U-shaped handle sleeve is connected with the first control handle or the second control handle through a rotating shaft, the closed end of the U-shaped handle sleeve is provided with a through hole, the two ends of the first push-pull rod and the second push-pull rod are respectively provided with a limiting annular groove, and the limiting annular grooves are clamped in the through holes of the closed end of the U-shaped handle sleeve. The first push-pull rod is conveniently switched on or off with the first control handle, and the second push-pull rod is conveniently switched on or off with the second control handle.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model has simple structure, reasonable design, compact arrangement and small volume; and the movable iron core of the bidirectional electromagnet has quick linear motion response, and the common power supply and the standby power supply are quickly switched.
Drawings
FIG. 1 is a front view of an electromagnetically driven dual power switch;
FIG. 2 is a top view of an electromagnetically driven dual power switch;
FIG. 3 is a front view of a bi-directional electromagnet;
FIG. 4 is a left side view of the bi-directional electromagnet;
FIG. 5 is a schematic view of the structure of the outer frame;
FIG. 6 is a schematic diagram of the cooperation structure of the limiting annular groove and the U-shaped handle sleeve;
FIG. 7 is a schematic diagram of the device being wired to a utility power source and a backup power source.
In the figure: 1. a switch main body; 2. a first control handle; 3. a second control handle; 4. a bi-directional electromagnet; 5. a wire; 6. a push-pull rod I; 7. a push-pull rod II; 8. a static iron core II; 9. an outer frame; 10. guide sleeve; 11. a first coil; 12. a capping plate; 13. a first magnetism isolating plate; 14. a static iron core I; 15. a movable iron core; 16. a middle partition plate; 17. a second coil; 18. a frustum-shaped groove; 19. a second magnetism isolating plate; 20. a fixing hole; 21. a fixed ear; 22. a U-shaped frame; 23. a U-shaped handle sleeve; 24. a limit annular groove; 25. a common power supply; 26. and a standby power supply.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-7, the electromagnetic drive type dual-power switch of the utility model comprises a switch main body 1, wherein the switch main body 1 comprises a first switch mechanism and a second switch mechanism, the first switch mechanism and the second switch mechanism are respectively connected with a first control handle 2 and a second control handle 3, the first control handle 2 and the second control handle 3 are both connected with a switch driving mechanism, and the switch driving mechanism is a bidirectional electromagnet 4.
In this embodiment:
the bidirectional electromagnet 4 comprises an outer frame 9, an intermediate baffle 16 is arranged in the middle of the outer frame 9, the intermediate baffle 16 divides the inner space of the outer frame 9 into an upper coil chamber and a lower coil chamber, a guide sleeve 10 is further arranged in the outer frame 9, the guide sleeve 10 penetrates through the intermediate baffle 16, a first coil 11 is arranged on the periphery of the guide sleeve 10 in the upper coil chamber, a second coil 17 is arranged on the periphery of the guide sleeve 10 in the lower coil chamber, a movable iron core 15 is arranged in the guide sleeve 10, a first static iron core 14 and a second static iron core 8 are respectively arranged at two ends of the guide sleeve 10, the movable iron core 15 is in clearance fit with the inner wall of the guide sleeve 10, a first push-pull rod 6 and a second push-pull rod 7 are respectively connected at two ends of the movable iron core 15, and the first push-pull rod 6 and the second push-pull rod 7 are respectively connected with a first control handle 2 and a second control handle 3.
The outer frame 9 comprises a U-shaped frame 22, a capping flat plate 12 is arranged at the opening end of the U-shaped frame 22, and a first static iron core 14 and a second static iron core 8 are respectively fixed with the capping flat plate 12 and the bottom of the U-shaped frame 22; the first push-pull rod 6 and the second push-pull rod 7 respectively penetrate through the top sealing flat plate 12 and the bottom of the U-shaped frame 22. The U-shaped frame 22 is formed by bending an iron plate, the structure and the forming process are simple, the manufacturing cost is low, and the U-shaped frame 22 is square in shape and is convenient to place and fix in the circuit breaker. The capping plate 12 is fixed to the open end of the U-shaped frame 22 by welding or the like, and the fixing method is also relatively simple.
The two ends of the movable iron core 15 are respectively in a frustum shape, and the ends of the first static iron core 14 and the second static iron core 8 matched with the movable iron core 15 are respectively provided with a frustum-shaped groove 18. The movable iron core 15 is respectively inserted into the frustum-shaped groove 18 of the first static iron core 14 or the second static iron core 8 in the process of moving back and forth, and the movable iron core 15 is more reliably matched with the first static iron core 14 and the second static iron core 8.
The bottoms of the frustum-shaped grooves 18 of the first static iron core 14 and the second static iron core 8 are respectively provided with a first magnetic isolation plate 13 and a second magnetic isolation plate 19. The arrangement of the first magnetic isolation plate 13 and the second magnetic isolation plate 19 reduces or eliminates the influence of the external magnetic circuit on the magnetic force of the movable iron core 15.
Fixing lugs 21 are additionally arranged on two sides of one side wall of the U-shaped frame 22, and fixing holes 20 are formed in the fixing lugs 21. The fixing lugs 21 are arranged to facilitate the fixing of the U-shaped frame 22 and other parts of the switch main body 1.
The connection part of the push-pull rod I6 and the control handle I2 and the connection part of the push-pull rod II 7 and the control handle II 3 are respectively provided with a U-shaped handle sleeve 23, the opening end of the U-shaped handle sleeve 19 is connected with the control handle I2 or the control handle II 3 through a rotating shaft, the closed end of the U-shaped handle sleeve 19 is provided with a through hole, the end parts of the push-pull rod I6 and the push-pull rod II 7 are respectively provided with a limiting annular groove 24, and the limiting annular grooves 24 are clamped in the through holes of the closed end of the U-shaped handle sleeve 19.
The first coil 11 and the second coil 17 are connected with a control circuit through a lead 5, the first coil 11 and the second coil 17 are controlled to be switched through the control circuit, the control circuit is controlled by a control unit, and the control unit controls the first coil 11 or the second coil 17 through the control circuit, so that the on-off of the first coil 11 or the second coil 17 is controlled. The first stationary core 14 and the second stationary core 8 are respectively close to the first coil 11 and the second coil 17.
When not energized, the movable iron core 15 is in a free state; when the first coil 11 is electrified and the second coil 17 is powered off, the movable iron core 15 moves in the guide sleeve 10 towards the first static iron core 14, and the movable iron core and the first static iron core are attracted at the moment of electrifying; the second coil 17 is electrified, the first coil 11 is powered off, the movable iron core 15 moves in the guide sleeve 10 towards the second static iron core 8, and the movable iron core and the second static iron core are attracted at the moment of electrifying. The movable iron core 15 can be controlled to move towards two directions by controlling the on-off condition of the first coil 11 and the second coil 17, so that the switching-on of the first switching mechanism and the second switching mechanism is controlled conveniently.
The outer frame 9 corresponds to an outer magnetic circuit, the middle partition plate 16 and the outer magnetic circuit form a closed loop magnetic circuit, the first coil 11 and the second coil 17 are excitation coils, and two magnetic fields with opposite directions are respectively generated through input voltage; when the control unit controls the first coil 11 to be electrified and the second coil 17 to be not electrified, the first coil 11 forms a closed loop magnetic circuit through the first static iron core 14, the movable iron core 15, the middle partition plate 16 and the outer frame 9, the first static iron core 14 generates magnetic attraction to the movable iron core 15, the movable iron core moves towards the first static iron core 14, and the first magnetic isolation plate 13 reduces or eliminates the magnetic influence of the outer magnetic circuit on the movable iron core 15; similarly, when the control unit controls the second coil 17 to be electrified and the first coil 11 to be not electrified, the second coil 17 forms a closed-loop magnetic circuit through the second static iron core 8, the movable iron core 15, the middle partition plate 16 and the outer frame 9, the second static iron core 8 generates magnetic attraction to the movable iron core 15, the movable iron core 15 moves towards the second static iron core 8, and the second magnetic isolation plate 19 reduces or eliminates the magnetic influence of the outer magnetic circuit on the movable iron core 15.
When the detection unit of the switch main body 1 detects that the common power supply 25 can normally supply power, the control unit controls the first coil 11 to be electrified, the second coil 17 is powered off, the movable iron core 15 drives the first push-pull rod 7 to pull the control handle 2 to switch off the standby power supply 26, meanwhile, the movable iron core 15 drives the first push-pull rod 6 to push the control handle 2 to switch on the first switching mechanism, when the detection unit of the switch main body 1 detects that the common power supply 25 has a problem, the control unit controls the second coil 17 to be electrified, the first coil 11 is powered off, the movable iron core 15 drives the first push-pull rod 6 to control and switch off the common power supply 25, meanwhile, the movable iron core 15 drives the second push-pull rod 7 to push the control handle 3 to switch on the second switching mechanism to switch on the standby power supply 26, after the common power supply 25 is maintained, the control circuit controls the first coil 11 to switch on, the movable iron core 15 drives the second push-pull rod 7 to pull the control handle 3 to switch off the standby power supply 26, and meanwhile, the first push the first control handle 6 to switch on the first switching mechanism 2 to switch on, and the common power supply 25 is switched on again. The arrangement of the bidirectional electromagnet 4 ensures that the structural arrangement of each part in the switch main body 1 is more compact and the volume is small; and the movable iron core 15 of the bidirectional electromagnet 4 has quick linear motion response, and the common power supply 25 and the standby power supply 26 are quickly switched.
Claims (6)
1. The utility model provides an electromagnetic drive formula dual supply switch, includes switch main part (1), and switch main part (1) include switch mechanism one and switch mechanism two, and switch mechanism one and switch mechanism two connect control handle one (2) and control handle two (3) respectively, and switch actuating mechanism, its characterized in that are all connected to control handle one (2) and control handle two (3): the switch driving mechanism is a bidirectional electromagnet (4);
the bidirectional electromagnet (4) comprises an outer frame (9), a middle partition plate (16) is arranged in the middle of the outer frame (9), the inner space of the outer frame (9) is divided into an upper coil chamber and a lower coil chamber by the middle partition plate (16), a guide sleeve (10) is further arranged in the outer frame (9), the guide sleeve (10) penetrates through the middle partition plate (16), a first coil (11) is arranged on the periphery of the guide sleeve (10) in the upper coil chamber, a second coil (17) is arranged on the periphery of the guide sleeve (10) in the lower coil chamber, a movable iron core (15) is arranged in the guide sleeve (10), a first static iron core (14) and a second static iron core (8) are respectively arranged at two ends in the guide sleeve (10), the movable iron core (15) is in clearance fit with the inner wall of the guide sleeve (10), the two ends of the movable iron core (15) are respectively connected with a first push-pull rod (6) and a second push-pull rod (7), and the first push-pull rod (6) and the second push-pull rod (7) are respectively connected with a first control handle (2) and a second control handle (3).
2. The electromagnetically driven dual power switch as claimed in claim 1, wherein: the outer frame (9) comprises a U-shaped frame (22), a top sealing flat plate (12) is arranged at the opening end of the U-shaped frame (22), and a first static iron core (14) and a second static iron core (8) are respectively fixed with the top sealing flat plate (12) and the bottom of the U-shaped frame (22); the push-pull rod I (6) and the push-pull rod II (7) respectively penetrate through the bottoms of the top sealing flat plate (12) and the U-shaped frame (22).
3. The electromagnetically driven dual power switch as claimed in claim 1, wherein: both ends of the movable iron core (15) are respectively in a frustum shape, and one ends of the first static iron core (14) and the second static iron core (8) matched with the movable iron core (15) are respectively provided with a frustum-shaped groove (18).
4. The electromagnetically driven dual power switch as claimed in claim 1, wherein: the bottoms of the frustum-shaped grooves (18) of the first static iron core (14) and the second static iron core (8) are respectively provided with a first magnetic isolation plate (13) and a second magnetic isolation plate (19).
5. The electromagnetically driven dual power switch as claimed in claim 1, wherein: fixing lugs (21) are additionally arranged on two sides of one side wall of the U-shaped frame (22), and fixing holes (20) are formed in the fixing lugs (21).
6. The electromagnetically driven dual power switch as claimed in claim 1, wherein: the connecting part of the push-pull rod I (6) and the control handle I (2) and the connecting part of the push-pull rod II (7) and the control handle II (3) are respectively provided with a U-shaped handle sleeve (23), the opening end of the U-shaped handle sleeve (19) is connected with the control handle I (2) or the control handle II (3) through a rotating shaft, the closed end of the U-shaped handle sleeve (19) is provided with a through hole, the end parts of the push-pull rod I (6) and the push-pull rod II (7) are respectively provided with a limiting annular groove (24), and the limiting annular grooves (24) are clamped in the through holes of the closed end of the U-shaped handle sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210993.5U CN220306120U (en) | 2022-01-25 | 2022-01-25 | Electromagnetic driving type double-power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210993.5U CN220306120U (en) | 2022-01-25 | 2022-01-25 | Electromagnetic driving type double-power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306120U true CN220306120U (en) | 2024-01-05 |
Family
ID=89346644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220210993.5U Active CN220306120U (en) | 2022-01-25 | 2022-01-25 | Electromagnetic driving type double-power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306120U (en) |
-
2022
- 2022-01-25 CN CN202220210993.5U patent/CN220306120U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2851920B1 (en) | Operation mechanism and power switch device provided with same | |
| KR20010030646A (en) | Solenoid valve with permanent magnet | |
| JP2002124158A (en) | Switch device | |
| CN212648164U (en) | Novel permanent magnet operating mechanism and vacuum circuit breaker | |
| CN102758951B (en) | Dual-power electromagnetic head | |
| CN104851740B (en) | A kind of long-stroke permanent magnet operating mechanism of the high-pressure vacuum breaker with ancillary coil | |
| CN220306120U (en) | Electromagnetic driving type double-power switch | |
| KR20140131924A (en) | Drive unit for a step switch | |
| CN216120678U (en) | Microwave switch | |
| CN101266893A (en) | Operation mechanism with motive contactor of line inductance electromotor driving high-voltage breaker | |
| CN112820577B (en) | Operating mechanism for quick circuit breaking and circuit breaker | |
| CN110853946B (en) | Double-magnetic-circuit direct-acting low-power-consumption permanent magnet brake-separating power-assisted electromagnetic mechanism | |
| CN214624784U (en) | Operating mechanism and circuit breaker for quickly cutting off circuit | |
| CN220306193U (en) | Electromagnet for driving circuit breaker | |
| CN110085487B (en) | Novel permanent-magnet electromagnetic relay | |
| CN210925927U (en) | Excitation type switch operating device | |
| CN116092888A (en) | Double-control electromagnetic circuit breaker | |
| CN2653683Y (en) | Magnetic electric type contactor | |
| CN114446731A (en) | Electromagnet for driving circuit breaker | |
| CN201038081Y (en) | Polarized permanent-magnet vacuum AC contactor | |
| CN217768262U (en) | Double-control electromagnetic circuit breaker | |
| CN111564277A (en) | Energy-saving bistable permanent magnet holding electromagnet | |
| CN104979108A (en) | Operating mechanism and locomotive using same | |
| KR101692714B1 (en) | Magnetic contactor driven permament magnet and two-coil | |
| CN2743953Y (en) | Operating controlling mechanism for electrical switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |