CN103928245A - Bi-stability permanent magnetic mechanism and application method thereof - Google Patents
Bi-stability permanent magnetic mechanism and application method thereof Download PDFInfo
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- CN103928245A CN103928245A CN201410145667.0A CN201410145667A CN103928245A CN 103928245 A CN103928245 A CN 103928245A CN 201410145667 A CN201410145667 A CN 201410145667A CN 103928245 A CN103928245 A CN 103928245A
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- magnetic core
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Abstract
The invention provides a bi-stability permanent magnetic mechanism which comprises a magnetic core (3), energy storage devices (2), a magnetic control device, limiting devices (6) and operating rods (7). The two ends of the magnetic core (3) are provided with the operating rods (7) respectively. The magnetic core (3) is arranged in the magnetic control device. The operating rods (7) extend out of the magnetic control device. The tail ends of the operating rods (7) are provided with the limiting devices (6). The portions, between the limiting devices (6) and the magnetic control device, of the operating rods (7) are provided with the energy storage devices (2). According to the bi-stability permanent magnetic mechanism, compared with a permanent magnetic mechanism in the prior art, the stroke is increased while the size of the mechanism is not increased, and therefore the starting currents are reduced in the opening-closing process and the starting time is shortened; the final speed of opening-closing operation of the permanent magnetic operating mechanism is reduced, and therefore closing bounce can be reduced and the mechanical life of the permanent magnetic operating mechanism is prolonged; the purposes of opening and closing can be achieved without electrifying an opening coil and a closing coil, an energy storage circuit is simplified, the cost is lowered greatly, and the application range of the permanent magnetic mechanism is expanded.
Description
Technical field
The present invention relates to the technical field of switch operation mechanism, especially relate to a kind of bistable-state permanent magnet mechanism and application process thereof.
Background technology
At present, the application of permanent-magnet manipulating mechanism in switch is more and more, for large stroke is provided to switch, often by operating coil number of turns is increased, wire diameter increases the methods such as thick, exciting current increase that high-intensity magnetic field is provided, for switch folding provides power.Thereby such permanent-magnet manipulating mechanism is often very high very large, respective switch volume is also larger, and cost is corresponding to be increased.And often need when bistable-state permanent magnet mechanism switch separating brake, closing operation respectively to switching winding, closing coil energising, during divide-shut brake, starting current is larger, and also more complicated of corresponding accumulator, and cost is higher.
Summary of the invention
The object of the invention is to design a kind of bistable-state permanent magnet mechanism and application process thereof, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A bistable-state permanent magnet mechanism, comprises magnetic core 3, energy storage device 2, magnetic control means, stopping means 6 and actuating bar 7; Described magnetic core 3 two ends are equipped with described actuating bar 7; Described magnetic core 3 is arranged in described magnetic control means, and described actuating bar 7 leans out outside described magnetic control means; Described actuating bar 7 ends are provided with described stopping means 6; Described actuating bar 7 between described stopping means 6 and described magnetic control means is provided with described energy storage device 2.
Preferably, described magnetic control means comprises operating coil 1, permanent magnet 4 and yoke 5; In described yoke 5, be provided with described operating coil 1 and described permanent magnet 4; Described operating coil 1 is arranged on the end positions of described magnetic core 3; Described permanent magnet 4 is centered around around described magnetic core 3.
Preferably, described operating coil 1 comprises two groups of operating coils 1 that go between from beginning to end and join.
Preferably, described energy storage device 2 is spring; Being enclosed within on described actuating bar 7 of described spring symmetry.
An application process for bistable-state permanent magnet mechanism, comprises the steps:
Step M1 arranges two groups of operating coils (1) that lead-out wire is end to end in magnetic control means;
When two groups of described operating coils (1) of joining of going between from beginning to end do not pass into power supply, the position at magnetic core in magnetic control means (3) place is reset condition;
When two groups of described operating coils 1 of joining of going between from beginning to end pass into power supply, described magnetic control means produces the magnetic fields power that overcomes described permanent magnetic; The described energy storage device (2) of described magnetic fields power and magnetic control means one end produces with the pulling force acting in conjunction of permanent magnetic opposite direction and produces superposed force, and described superposed force drives described magnetic core (3) to the action direction motion of power, forms the first state;
Step M2, when the end to end operating coil (1) of described two groups of lead-out wires oppositely passes into power supply, described magnetic core (3) returns to reset condition; Realize the application of described bistable-state permanent magnet mechanism.
Preferably, in step M1, the concrete methods of realizing that forms the first state is:
In described magnetic core 3 motion processes, the described energy storage device 2 of the described magnetic control means other end starts energy storage and produces damping force, slow down the movement velocity of described magnetic core 3, when described magnetic core 3 moves to the position of stopping means 6 restrictions, the described permanent magnetic that described permanent magnet produces is greater than the opposition that described energy storage device produces, and described magnetic core 3 is remained on to the first state.
Preferably, described magnetic core 3 is length-adjustable magnetic core; By adjusting the length of described magnetic core 3 and the coefficient of elasticity of described spring, can also realize affiliated reset condition to the stroke distances of described the first state.
Beneficial effect of the present invention can be summarized as follows:
By invention, compare with permanent magnet mechanism of the prior art, do not increase stroke when enlarging mechanism volume, in the time of can making divide-shut brake, starting current reduces, and shorten start-up time; The in the situation that of same starting current, the just-off speed while improving separating brake; Reduce the end speed of permanent-magnet manipulating mechanism breaking-closing operating, thereby reduce closing rebound, improve the mechanical endurance of permanent-magnet manipulating mechanism; By invention, do not need to switch on respectively and can reach the object of separating brake, combined floodgate to switching winding, closing coil, simplified accumulator, greatly reduce cost, expanded permanent magnet mechanism range of application.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
1-operating coil, 2-energy storage device, 3-magnetic core, 4-permanent magnet, 5-yoke, 6-stopping means, 7-actuating bar.
Fig. 2 is the structure connection diagram of operating coil of the present invention.
1a, first group of operating coil lead-out wire of 1b-; 2a, second group of operating coil lead-out wire of 2b-.
Fig. 3 is magnetic core motion structure contrast schematic diagram of the present invention.
L represents the distance of magnetic core motion.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of bistable-state permanent magnet mechanism as shown in Figure 1, comprises magnetic core 3, energy storage device 2, magnetic control means, stopping means 6 and actuating bar 7; Energy storage device 2 is spring; Being enclosed within on actuating bar 7 of spring symmetry; Magnetic core 3 two ends are equipped with actuating bar 7; Magnetic core 3 is arranged in magnetic control means; Magnetic control means comprises operating coil 1, permanent magnet 4 and yoke 5; In yoke 5, be provided with operating coil 1 and permanent magnet 4; Operating coil 1 is arranged on the end positions of magnetic core 3; Permanent magnet 4 is centered around around magnetic core 3; Operating coil 1 comprises two groups of operating coils that go between from beginning to end and join; Magnetic core 3 is length-adjustable magnetic core, wherein magnetic core can be the iron core of scalable adjustment length, maybe can be convenient to the magnetic core of changing, by changing the length of magnetic core, realize the object that this device changes stroke, stroke is larger, it is larger that magnetic core starts required magnetic field force, and producing electric current that equal magnetic force twin coil passes into simultaneously, obviously than single coil, to pass into electric current little, and due to the use of energy-stored spring, it is less that magnetic core starts required magnetic field force, and the electric current that passes into that passes into coil can be less; Little owing to passing into electric current, variable thin, the number of turn of coil wire diameter can reduce, and corresponding volume can dwindle, thereby realizes the design of integrated model Miniaturizable.Actuating bar 7 leans out outside magnetic control means; Actuating bar 7 ends are provided with stopping means 6;
As shown in Figure 2, arrow represents coil-winding direction.First group of operating coil lead-out wire is defined as 1a, 1b, and second group of operating coil lead-out wire is defined as 2a, 2b, and two groups of operating coil lead-out wires are end to end;
An application process for bistable-state permanent magnet mechanism, comprises the steps:
Step M1 arranges two groups of operating coils 1 that lead-out wire is end to end in magnetic control means;
When two groups of described operating coils 1 of joining of going between from beginning to end do not pass into power supply, the position at magnetic core in magnetic control means (3) place is reset condition;
When two groups of described operating coils 1 of joining of going between from beginning to end pass into power supply, described magnetic control means produces the magnetic fields power that overcomes described permanent magnetic; The described energy storage device 2 of described magnetic fields power and magnetic control means one end produces with the pulling force acting in conjunction of permanent magnetic opposite direction and produces superposed force, and described superposed force drives described magnetic core 3 to the action direction motion of power, forms the first state; Described magnetic core 3 is length-adjustable magnetic core; By adjusting the length of described magnetic core 3 and the coefficient of elasticity of described spring, adjust the former stroke distances of coming described the first state of described reset condition.
In step M1, the concrete methods of realizing that forms the first state is:
In magnetic core 3 motion processes, the energy storage device 2 of the magnetic control means other end starts energy storage and produces damping force, slow down the movement velocity of magnetic core 3, when magnetic core 3 moves to the position of stopping means 6 restrictions, the permanent magnetic that permanent magnet produces is greater than the opposition that energy storage device produces, and magnetic core 3 is remained on to the first state.
Step M2, when two groups of end to end operating coils 1 of lead-out wire oppositely pass into power supply, magnetic core 3 returns to reset condition; Realize the application of bistable-state permanent magnet mechanism.
As shown in Figure 3, when sub-gate position, the spring in left side, in compressed energy-storage state, passes into forward dc electricity between 1a, 2b, and two groups of operating coils are simultaneously charged, the magnetic field superposition forming together, produce the consistent magnetic fields power of direction, for example magnetic fields power is to the right time, and left side spring discharges simultaneously, magnetic fields power and left side spring thrust jointly order about the attraction that magnetic core 3 overcomes permanent magnet 4 and start rapidly, to the separating brake of setting or the motion of closing position direction.In motion process, the spring on right side starts energy storage, produce damping force simultaneously, slow down the speed that moves right of magnetic core 3, the end speed of moving, magnetic core 3 moves to the position of initial combined floodgate or separating brake, the permanent-magnet attractive power that permanent magnet produces is greater than the thrust that right side spring produces, magnetic core 3 is remained on and closed a floodgate or open position, and also energy storage is complete for the spring on right side simultaneously, for action next time divide/is closed a floodgate ready.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (7)
1. a bistable-state permanent magnet mechanism, is characterized in that: comprise magnetic core (3), energy storage device (2), magnetic control means, stopping means (6) and actuating bar (7); Described magnetic core (3) two ends are equipped with described actuating bar (7); Described magnetic core (3) is arranged in described magnetic control means, and described actuating bar (7) leans out outside described magnetic control means; Described actuating bar (7) end is provided with described stopping means (6); Described actuating bar (7) between described stopping means (6) and described magnetic control means is provided with described energy storage device (2).
2. bistable-state permanent magnet mechanism according to claim 1, is characterized in that: described magnetic control means comprises operating coil (1), permanent magnet (4) and yoke (5); In described yoke (5), be provided with described operating coil (1) and described permanent magnet (4); Described operating coil (1) is arranged on the end positions of described magnetic core (3); Described permanent magnet (4) is centered around described magnetic core (3) around.
3. bistable-state permanent magnet mechanism according to claim 2, is characterized in that: described operating coil (1) comprises two groups of operating coils (1) that go between from beginning to end and join.
4. bistable-state permanent magnet mechanism according to claim 1, is characterized in that: described energy storage device (2) is spring; Being enclosed within on described actuating bar (7) of described spring symmetry.
5. an application process for bistable-state permanent magnet mechanism, is characterized in that, comprises the steps:
Step M1 arranges two groups of operating coils (1) that lead-out wire is end to end in magnetic control means;
When two groups of described operating coils (1) of joining of going between from beginning to end do not pass into power supply, the position at magnetic core in magnetic control means (3) place is reset condition;
When two groups of described operating coils (1) of joining of going between from beginning to end pass into power supply, described magnetic control means produces the magnetic fields power that overcomes described permanent magnetic; The described energy storage device (2) of described magnetic fields power and magnetic control means one end produces with the pulling force acting in conjunction of permanent magnetic opposite direction and produces superposed force, and described superposed force drives described magnetic core (3) to the action direction motion of power, forms the first state;
Step M2, when the end to end operating coil (1) of described two groups of lead-out wires oppositely passes into power supply, described magnetic core (3) returns to reset condition; Realize the application of described bistable-state permanent magnet mechanism.
6. the application process of bistable-state permanent magnet mechanism according to claim 5, is characterized in that,
In step M1, the concrete methods of realizing that forms the first state is:
In described magnetic core (3) motion process, the described energy storage device (2) of the described magnetic control means other end starts energy storage and produces damping force, slow down the movement velocity of described magnetic core (3), when described magnetic core (3) moves to the position of stopping means (6) restriction, the described permanent magnetic that described permanent magnet produces is greater than the opposition that described energy storage device produces, and described magnetic core (3) is remained on to the first state.
7. bistable-state permanent magnet mechanism according to claim 5, is characterized in that: described magnetic core (3) is length-adjustable magnetic core; Described energy storage device (2) is spring, by adjusting the length of described magnetic core (3) and the coefficient of elasticity of described spring, adjusts described reset condition to the stroke distances of described the first state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145667.0A CN103928245A (en) | 2014-04-11 | 2014-04-11 | Bi-stability permanent magnetic mechanism and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410145667.0A CN103928245A (en) | 2014-04-11 | 2014-04-11 | Bi-stability permanent magnetic mechanism and application method thereof |
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| CN103928245A true CN103928245A (en) | 2014-07-16 |
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| CN201410145667.0A Pending CN103928245A (en) | 2014-04-11 | 2014-04-11 | Bi-stability permanent magnetic mechanism and application method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10146899A1 (en) * | 2001-09-24 | 2003-04-10 | Abb Patent Gmbh | Electromagnetic actuator, in particular electromagnetic drive for a switching device |
| CN101847528A (en) * | 2010-05-14 | 2010-09-29 | 中国科学技术大学 | Permanent-magnet operating mechanism for circuit breaker |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN102306562A (en) * | 2011-05-31 | 2012-01-04 | 北京博瑞莱智能科技有限公司 | New type permanent magnetic mechanism switch |
| CN203799894U (en) * | 2014-04-11 | 2014-08-27 | 北京博瑞莱智能科技集团有限公司 | Bistable state permanent magnetic mechanism |
-
2014
- 2014-04-11 CN CN201410145667.0A patent/CN103928245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10146899A1 (en) * | 2001-09-24 | 2003-04-10 | Abb Patent Gmbh | Electromagnetic actuator, in particular electromagnetic drive for a switching device |
| CN101847528A (en) * | 2010-05-14 | 2010-09-29 | 中国科学技术大学 | Permanent-magnet operating mechanism for circuit breaker |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN102306562A (en) * | 2011-05-31 | 2012-01-04 | 北京博瑞莱智能科技有限公司 | New type permanent magnetic mechanism switch |
| CN203799894U (en) * | 2014-04-11 | 2014-08-27 | 北京博瑞莱智能科技集团有限公司 | Bistable state permanent magnetic mechanism |
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Application publication date: 20140716 |
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