CN103176501B - A kind of valve that can control magnetic flux - Google Patents
A kind of valve that can control magnetic flux Download PDFInfo
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- CN103176501B CN103176501B CN201310076477.3A CN201310076477A CN103176501B CN 103176501 B CN103176501 B CN 103176501B CN 201310076477 A CN201310076477 A CN 201310076477A CN 103176501 B CN103176501 B CN 103176501B
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- valve
- magnetic
- spool
- diamagnetism
- valve plate
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Abstract
The present invention relates to a kind of valve that can control magnetic flux, comprise valve pocket, valve seat and spool, it is characterized in that: described valve is serially connected in magnetic element soft magnetic quality magnetic core by valve pocket and valve seat, the valve shaft of described spool is vertical with by the magnetic element magnetic core main flux direction of described Valve controlling, described spool by insulate and the butterfly-shaped valve plate of diamagnetism and soft magnetic quality valve plate press from both sides and form, insulation and the butterfly-shaped valve plate of diamagnetism and soft magnetic quality valve plate folder all can do continuous print angular displacement and location, angle around valve shaft in valve seat.The present invention on magnetic element without interpole coil, air-gap-free, by changing insulation in spool and the angle in the normal line vector of the butterfly-shaped board plane of diamagnetism and magnetic element magnetic core main flux direction comes directly and changes the magnetic resistance size of valve continuously, presents the valve closing and opening that can control magnetic flux; Conventional tunable magnetic element can be overcome can not regulate continuously, need secondary power electric switch, need power converter and the shortcoming such as noise is large simultaneously.
Description
Technical field
The present invention relates to power electronics, electric and electric system.The present invention relates to a kind of valve that can control magnetic flux, be applicable to being applied to the situation requiring to continuously change magnetic circuit reluctance size or Flux switch state.
Background technology
Magnetic element has in power electronics, electrician and electric system to be applied, very widely as the arc suppression coil etc. in the passive filter in inverter, the inductor in electrician and electric system.In practical application, often need the size changing magnetic element magnetic resistance, under load-carrying condition, sometimes even will change the size of magnetic resistance continuous stepless.But, due to still do not have at present to regulate directly, continuously and on a large scale the switch of magnetic resistance size, the major measure so far magnetic circuit regulated and shortcoming have:
Measure 1: at magnetic element actual motion coil turn, by switch-mode regulation inductance value.
Shortcoming: the number of turn changing magnetic element actual motion coil, although can regulate the inductance value of magnetic element, can not regulate by continuous stepless, needs again external switching electric switch, and very high at the electric switch cost of high-voltage great-current circuit.
Measure 2: separately add control coil on magnetic element, and by DC current in control coil, with the magnetic resistance regulating the way of magnetic element core sataration degree to change magnetic element main magnetic circuit.
Shortcoming: the loss that can increase power inductance component after core sataration, the noise of increasing power inductance element.
Measure 3: separately add control coil and filter coil on magnetic element, control coil connects the thyristor of a pair reverse parallel connection, the way carrying out regulable control coil current with the conduction angle changing thyristor changes power inductance component main magnetic circuit magnetic flux, forms passive filter filtering with the capacitor-inductor in filter coil loop.
Shortcoming: passive filter can only filter out the harmonic wave of specific order, the harmonic wave of residue order can cause severe jamming.
Measure 4: several controlled winding additional on magnetic element, with special inverter to a controlled winding input controllable AC electric current, residue controlled winding connects thyristor and the current-limiting inductor thereof that inverter connects a pair reverse parallel connection respectively, changes the inductance value of magnetic element by the way that the conduction angle of each thyristor matches with inverter controllable AC electric current.
Shortcoming: too complicated, hidden failure point is too many.
Measure 5: regulate magnetic element magnetic core air gap to change the magnetic resistance of main magnetic circuit.
Shortcoming: iron core air gap is difficult to accurate control, can effectively regulate the yardstick of air gap very little, and continuous stepless regulates and is difficult to accomplish, powerful magnetic element air gap is along with noise, vibration and electromagnetic interference (EMI).
Therefore, how overcoming above-mentioned shortcoming, carry out directly magnetic resistance, regulating continuously and is on a large scale object of the present invention.
Summary of the invention
The object of the invention is a kind of valve that can control magnetic flux, in an embodiment of the present invention can directly, continuously and on a large scale control valve magnetic resistance, present the unlatching of valve or the closure state of valve.
Solution of the present invention is: a kind of valve that can control magnetic flux, comprise valve pocket, valve seat and spool, it is characterized in that: described valve is serially connected in magnetic element soft magnetic quality magnetic core by valve pocket and described valve seat, the valve shaft of described spool is vertical with magnetic element magnetic core main flux direction, described spool by insulate and the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality press from both sides jointly form, the valve base chamber of described spool and soft magnetic quality is transition fit, insulation and the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality folder all can around valve shaft do in the valve seat of soft magnetic quality continuous print angular displacement and angle location.Technical characterstic of the present invention is insulation and the butterfly-shaped valve plate of diamagnetism can provide the maximum magnetic flux resistance of valve to form the closed condition of valve, the opening that can form valve for the minimum reluctance value of valve put forward by the valve plate clamping plate of soft magnetic quality, change insulation in spool and the angle in the normal line vector of the butterfly-shaped valve plate plane of diamagnetism and magnetic element magnetic core main flux direction just can directly and continuously change valve magnetic resistance size, present the valve closing and opening that can control magnetic flux.
The advantage of the embodiment of the present invention is: the magnetic flux that the present invention does not need coil tap, interpole coil and interlock circuit thereof just can control through valve, realize the step-less adjustment of magnetic resistance size, the opening and closing of by-pass valve control place magnetic branch road, overcome the shortcomings such as power circuit, arc extinguishing and the cost that adding electric change-over switch brings; Air-gap-free in magnetic circuit of the present invention, do not need to change the magnetic flux that the size of air gap can control through valve, realize the step-less adjustment of magnetic resistance size, the opening and closing of by-pass valve control place magnetic branch road, overcome noise that magnetic core air gap brings, vibration and electromagnetic interference (EMI) etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention
Fig. 2 is the sectional view of Fig. 1
Fig. 3 is the sectional view of Fig. 1
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further elaborated.
As shown in the figure, a kind of valve that can control magnetic flux of the present invention, be connected on the magnetic core 1 of magnetic element soft magnetic quality, comprise the valve pocket 2 of fixing described valve, described valve pocket is positioned at the screw 3 on magnetic core, insulate and the butterfly-shaped valve plate 4 of diamagnetism, the valve plate folder 5 of soft magnetic quality, the valve seat 6 of soft magnetic quality, the valve shaft steady arm 7 of fixing described valve opening degree, can input the moment input shaft 8 that moment of face handles described valve.
Be interference fit between the soft magnetic quality magnetic core of above-mentioned soft magnetic quality valve seat and magnetic element, above-mentioned valve shaft is vertical with magnetic element magnetic core main flux direction, insulate and the rotating spool of the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality folder formation, be transition fit between described spool and soft magnetic quality magnetic support, described spool can do angular displacement and location, angle around valve shaft in soft magnetic quality magnetic support.
The present invention is serially connected in the soft magnetic quality magnetic core of magnetic element, and spool can do angular displacement and location, angle around valve shaft in valve seat.The magnetic core of magnetic element soft magnetic quality and the valve base chamber of soft magnetic quality are interference fit, and the contact magnetic resistance of described valve and place magnetic circuit can be ignored; Insulation and the valve base chamber of the common spool that forms of the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality folder and soft magnetic quality is transition fit, both can to have ignored the contact magnetic resistance of spool and valve base chamber, and to have made again spool can do angular displacement in valve seat, realize the step-less adjustment of described valve magnetic resistance.Insulation and the valve plate of the soft magnetic quality on the butterfly-shaped valve plate of diamagnetism and both sides thereof folder coaxially rotate and jointly form spool in valve seat: when insulating and the normal line vector of the butterfly-shaped valve plate plane of diamagnetism is parallel with magnetic element magnetic core main flux direction, all main fluxs all have to pass through insulation and the butterfly-shaped valve plate of diamagnetism, due to insulation and the magnetic permeability of diamagnetism material is far smaller than the magnetic permeability of soft magnetic quality magnetic core, the magnetic resistance of described valve is maximal value, is in closed condition; When insulating and the normal line vector of the butterfly-shaped valve plate plane of diamagnetism is vertical with magnetic element magnetic core main flux direction, the all direct folder of the soft magnetic quality valve plate through butterfly-shaped valve plate both sides of main flux of the overwhelming majority, because of valve plate folder, to be its magnetic permeability of soft magnetic material large and close with magnetic core, therefore the magnetic resistance of described valve is minimum value, is in opening.Insulation and the normal line vector of the butterfly-shaped valve plate plane of diamagnetism and the angle in magnetic element magnetic core main flux direction can change arbitrarily, magnetic element magnetic core main magnetic circuit magnetic resistance can regulate arbitrarily between a minimum value and a maximum value, input moment of face from valve shaft and change the angular displacement of spool relative to valve seat, valve shaft steady arm can maintain the angular displacement of spool in valve seat.Form the insulation of spool and the valve plate of the soft magnetic quality on the butterfly-shaped valve plate of diamagnetism and both sides thereof also can be subject to moment effect under being clipped in the effect of core flux, valve pocket, valve shaft steady arm can limit this moment and produce extra angular displacement to spool.For stopping the magnetic circuit interference effect of valve pocket to spool and valve seat, valve pocket adopts diamagnetism material; In order to stop to produce short-circuit current in valve pocket, valve pocket adopts insulating material.For reducing the eddy current loss of described valve, butterfly-shaped valve plate adopt insulation and the valve seat of the valve plate of the material of diamagnetism, soft magnetic quality folder and soft magnetic quality by layer insulation lamination or the grain pattern by mutually insulated.By insulation and the thickness of the butterfly-shaped valve plate of diamagnetism can determine the maximum magnetic flux resistance of described valve; The minimum reluctance value of described valve can be determined by the selection of valve plate folder soft magnetic material.
Valve pocket of the present invention adopts insulation and the epoxy resin fiberglass insulcrete of diamagnetism, but is not limited thereto, and also can adopt other insulation and the material of diamagnetism formation;
Valve plate folder of the present invention adopts cold-reduced silicon sheet, but is not limited thereto, and also can adopt other soft magnetic material;
The butterfly-shaped valve plate of insulation of the present invention and diamagnetism adopts glass-epoxy insulcrete, but is not limited thereto, and also can adopt other insulation and the material of diamagnetism;
Valve plate folder of the present invention adopts cold-reduced silicon sheet, but is not limited thereto, and also can adopt other soft magnetic material;
On the sectional view of the present invention along valve shaft, spool and valve seat are all rectangles, but are not limited thereto, and also can present other shape, but magnetic core and valve base chamber gapless, be transition fit;
Spool angular displacement of the present invention adopts axle center lever input torque, but is not limited thereto, and also can adopt other form;
Valve positioner of the present invention adopts steady arm screw, but is not limited thereto, and also can adopt other form;
Spool of the present invention is right cylinder, but is not limited thereto, and also can adopt other solid, but magnetic core and valve base chamber gapless, be transition fit;
The valve that can control magnetic flux of the present invention may be used for power inductor, transformer and multiple-channel output integrated inductor.
Claims (4)
1. one kind can control the valve of magnetic flux, comprise valve pocket, valve seat and spool, it is characterized in that: described valve is serially connected in magnetic element soft magnetic quality magnetic core by valve pocket and valve seat, the valve shaft of described spool is vertical with by the magnetic element magnetic core main flux direction of described Valve controlling, described spool by insulate and the butterfly-shaped valve plate of diamagnetism and soft magnetic quality valve plate press from both sides and form, insulation and the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality folder all can do continuous print angular displacement and location, angle around valve shaft in valve seat.
2. the valve that can control magnetic flux according to claim 1, it is characterized in that: on the cross section vertical with the valve shaft of described spool, described spool is circle, described valve seat is the circular arc that two radiuses are equal, described insulation and the butterfly-shaped valve plate of diamagnetism and the common spool that forms of soft magnetic quality valve plate folder and soft magnetic quality valve base chamber are transition fit in whole valve working interval, both can to have ignored the magnetic resistance of spool and soft magnetic quality valve base chamber, and to have made again spool can do angular displacement and location, angle in valve seat, realize the step-less adjustment of described valve magnetic resistance resistance.
3. the valve that can control magnetic flux according to claim 1, it is characterized in that: described spool by insulate and the valve plate of the butterfly-shaped valve plate of diamagnetism and soft magnetic quality press from both sides jointly form, by changing insulation in advance and the thickness of the butterfly-shaped valve plate of diamagnetism can determine the maximum magnetic flux resistance of described valve, determined the minimum reluctance value of described valve by the valve plate folder soft magnetic material selecting magnetoconductivity different in advance.
4. the valve that can control magnetic flux according to claim 1, it is characterized in that: insulation and the normal line vector of the butterfly-shaped valve plate plane of diamagnetism and the angle in magnetic element magnetic core main flux direction can do random angle displacement, magnetic element magnetic core main magnetic circuit magnetic resistance can regulate arbitrarily between a minimum value and a maximum value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310076477.3A CN103176501B (en) | 2013-03-11 | 2013-03-11 | A kind of valve that can control magnetic flux |
Applications Claiming Priority (1)
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CN201310076477.3A CN103176501B (en) | 2013-03-11 | 2013-03-11 | A kind of valve that can control magnetic flux |
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CN103176501A CN103176501A (en) | 2013-06-26 |
CN103176501B true CN103176501B (en) | 2015-09-09 |
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CN201310076477.3A Expired - Fee Related CN103176501B (en) | 2013-03-11 | 2013-03-11 | A kind of valve that can control magnetic flux |
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Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86102880A (en) * | 1986-04-18 | 1987-10-28 | 陈竞哲 | Multipath magnetic flow ratio control method and application thereof |
US4840163A (en) * | 1987-01-08 | 1989-06-20 | Colt Industries Inc. | Electromagnet, valve assembly and fuel metering apparatus |
CN2128688Y (en) * | 1992-05-09 | 1993-03-24 | 王德祥 | Double-pressure direction solenoid valve |
CN1242063A (en) * | 1996-12-30 | 2000-01-19 | 马洛塔科学管理股份有限公司 | Magnetostrictively actuated valve |
US5915665A (en) * | 1997-10-27 | 1999-06-29 | Kohler Co. | Latching solenoid valve |
JP2001102213A (en) * | 1999-09-28 | 2001-04-13 | Honda Motor Co Ltd | Actuator controller |
CN2695502Y (en) * | 2004-04-12 | 2005-04-27 | 黄明 | Miniature and micro-consumption precision electromagnetic valve controlling valve B |
CN2706525Y (en) * | 2004-04-12 | 2005-06-29 | 黄明 | Double micro-precise electromagnetic valve controlled valve |
JP2007071186A (en) * | 2005-09-09 | 2007-03-22 | Toyota Motor Corp | Solenoid-driven valve |
CN101278457B (en) * | 2005-09-29 | 2012-06-06 | Abb研究有限公司 | Induction regulator for controlling energy flow used in alternating current transmission network, and method for controlling the network |
US8485498B2 (en) * | 2010-06-30 | 2013-07-16 | Denso Corporation | Valve control apparatus |
CN202612779U (en) * | 2011-06-30 | 2012-12-19 | 上海空间推进研究所 | Electromagnetic valve |
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2013
- 2013-03-11 CN CN201310076477.3A patent/CN103176501B/en not_active Expired - Fee Related
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