CN105422915A - Electromagnetic control valve - Google Patents
Electromagnetic control valve Download PDFInfo
- Publication number
- CN105422915A CN105422915A CN201410479494.6A CN201410479494A CN105422915A CN 105422915 A CN105422915 A CN 105422915A CN 201410479494 A CN201410479494 A CN 201410479494A CN 105422915 A CN105422915 A CN 105422915A
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- outlet
- salient poles
- spool
- 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.)
- Pending
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
An electromagnetic control valve comprises a valve body, a valve element and a rotor component. The electromagnetic control valve comprises an inlet and at least one outlet. The inlet is communicated with an inner cavity directly, and communication of the outlets and the inner cavity can be controlled through actions of the electromagnetic control valve. A rotor of the rotor component comprises a rotor body part and an even number of rotor salient poles. A stator of a stator component comprises a stator body part and an even number of stator salient poles. A winding is wound on each stator salient pole. The stator salient poles are close to the rotor salient poles relative to the stator body part, and the rotor salient poles are close to the stator salient poles relative to the rotor body part. When the electromagnetic control valve acts, the windings of the stator component are powered on in a certain sequence, so that the rotor component is rotated, and the valve element is driven to rotate to enable the outlets and the inner cavity to be communicated or not to be communicated or not to be communicated completely. In this way, the rotor of the rotor component does not need to be made of permanent magnet materials; besides, by the adoption of the stator component and the rotor component of the structure, the rotor component can be positioned more accurately when rotating.
Description
[technical field]
The present invention relates to a kind of fluid control elements, be specifically related to a kind of solenoid electric valve, for controlling the break-make exported or the valve distributing fluid flow between multiple outlet.
[background technique]
Solenoid electric valve often will use in system, and as switch type solenoid electric valve or the solenoid electric valve etc. for distributing multiple rate of discharge, switch type solenoid electric valve is for controlling the break-make of fluid; And the solenoid electric valve distributing multiple rate of discharge is the element controlling fluid on-off switching or uninterrupted in stream, concrete as may be used in freezing, heterothermic refrigerator, the switching of refrigerant flow during for controlling multichannel refrigerant flow, or for the distribution etc. with refrigerant during multichannel.General solenoid electric valve often adopts electromagnetic core reciprocal action to carry out the control opened or closed, but switch type solenoid valve is due to the problem of electromagnetic force, circulation bore can not be too large, and some larger solenoid electric valves will adopt leading type structure, this spline structure relative complex; And the solenoid valve being generally used for flow rate distribution or control flow in addition often adopts stepper motor to carry out the control of the rotation of spool, rotor part generally adopts permanent-magnet materials make and process through magnetizing, and permanent-magnet material is relatively crisp, and cost is higher.May be there is the action such as step-out or leapfrog when valve rotates in stepper motor in addition.
[summary of the invention]
The object of the present invention is to provide a kind of solenoid electric valve of new structure, structure is simple, can be used for multiple use, and without the need to using the rotor part comprising permanent-magnet material and make, for this reason, the present invention adopts following technological scheme:
A kind of solenoid electric valve, comprise valve body parts and stator component, valve body parts comprises valve body, spool, rotor part, and described rotor part, spool are arranged in the inner chamber of described valve body parts; Described solenoid electric valve comprises import and at least one outlet, and described import is directly communicated with described inner chamber; Described spool is provided with conductive channel, described outlet is communicated with optionally through described spool with described inner chamber, or described spool is equipped with conductive channel with valve body, described outlet is communicated with optionally through described spool and valve body with described inner chamber; Described rotor part comprises the rotor and rotating shaft that are fixedly installed, and described rotor comprises rotor body portion and even number of rotor salient pole; Described stator component comprises stator and multiple winding, described stator comprises stator body portion and even number stator salient poles, each stator salient poles is wound with winding, and described stator salient poles relative stator main body portion is near rotor with salient pole, and rotor with salient pole relative rotor main body portion is near described stator salient poles; When described Electromagnetic Control valve events, multiple windings of stator component are energized in certain sequence respectively, and have at least two windings be oppositely arranged to be energized during energising simultaneously, and described rotor part is rotated, drive described spool to rotate together during rotor part rotational action thus control the outlet of described solenoid electric valve whether selectivity is communicated with the passage be communicated with by spool between described inner chamber.Such rotor part can not need the rotor using permanent magnet material to make, and location when adopting the stator component of this structure and rotor part that rotor part can be made to rotate more accurately, thus makes the distribution of valve accurate.
Described valve body is provided with tabular surface, tabular surface is towards described inner chamber, the tabular surface of described spool and described valve body is fitted and is arranged, described valve body is provided with described outlet at described tabular surface, described spool is provided with lack part as conductive channel, and it is by described conductive channel and intracavity inter-connection that described outlet is communicated with the selectivity of inner chamber; And described import is also arranged on described valve body.
Described spool comprises a through hole, and described valve body parts also comprises elastic element, balance pad; Described elastic element, balance pad, spool are sheathed in described rotating shaft movably, described elastic element one end abuts described rotor part, the other end abuts described balance pad, and described balance pad is adjacent with described spool, the elastic force of elastic element is made to act on described spool relatively uniformly and the tabular surface of described spool and described valve body is fitted.
Described valve body parts also comprises sleeve pipe, and described sleeve pipe is stainless steel material, and described sleeve pipe and described valve body are fixed by welded seal and form described inner chamber in inside, and described rotor part is arranged in the inner chamber that described valve body parts inside is formed; Described rotor is positioned at the inner side of the sleeve pipe of described valve body parts, and described stator is positioned at described outside of sleeve, and described rotor with salient pole and described stator salient poles lay respectively at the inside and outside both sides of described sleeve pipe and relatively to arrange near sleeve pipe.
Described stator component comprises three groups of stator salient poles, often organize stator salient poles and at least comprise four stator salient poles arranged symmetrically and evenly, each stator salient poles is respectively wound with a winding, four windings often organizing stator salient poles are serial or parallel connection or arrange with another two winding parallels after connecting between two again, when Electromagnetic Control valve events, in this group stator salient poles, the winding of coiling is energized simultaneously.
Described stator component comprises at least three group stator salient poles, often organize stator salient poles and comprise symmetrically arranged two stator salient poles, each stator salient poles is respectively wound with a winding, two windings often organizing stator salient poles are that serial or parallel connection is arranged, when Electromagnetic Control valve events, in this group stator salient poles, the winding of coiling is energized simultaneously.
Described solenoid electric valve comprises at least two outlets; The material of described rotor does not comprise permanent magnet material, described rotor, stator be silicon steel sheet through punch process and through riveted joint hasp connect or be welded and fixed formation, described stator salient poles and rotor with salient pole are all radially evenly arranged, and the quantity of described stator salient poles is greater than the quantity of rotor with salient pole; Described rotor part is also fixed with driving component, and described spool is provided with the transmission unit of matching with described rotor part, drives described valve core rotation action when rotor part rotational action by the contact of described driving component and transmission unit.
Described solenoid electric valve comprises three outlet: B outlets, C outlet, D outlet; At least one driving described valve core rotation to make in described outlet when described rotor part rotational action is communicated with between described inner chamber; Described outlet by conductive channel and intracavity inter-connection, described conductive channel can make one of them outlet or two outlet and intracavity inter-connection; When described spool rotates along with rotor part, the conductive channel of described spool can realize four kinds of different mode of communicating respectively, thus the mode of operation that realization at least four kinds is different, comprising: the first mode of operation: B outlet is communicated with conductive channel, C, D outlet is not communicated with conductive channel; Second mode of operation: B, C outlet is communicated with conductive channel, D outlet is not communicated with conductive channel; 3rd mode of operation: C, D outlet is communicated with conductive channel, B outlet is not communicated with conductive channel; 4th mode of operation: D outlet is communicated with conductive channel, and B, C outlet is not communicated with conductive channel.
Described solenoid electric valve is switch type solenoid valve, and described outlet is one, and described spool is provided with the part of lack part as conductive channel or conductive channel, and described outlet can by described lack part with inner space or be not communicated with.The open and close of solenoid electric valve realize by controlling rotor part rotation, when the bore of valve is relatively large, electromagnetic force required for solenoid electric valve rotates is relatively less than reciprocating electromagnetism control valve, the bore of electromagnetic force valve same like this can be relatively large, particularly when the mouth of valve increases further, what increase needed for electromagnetic force is relatively much smaller, thus realizes energy-conservation object.
The described outlet of described solenoid electric valve is two, described spool is provided with the part of lack part as conductive channel or conductive channel, described outlet by described lack part with inner space or be not communicated with, can realize the switching that is opened four prevailing operating state such as a pass, two standard-sized sheets, two complete shut-downs by controlling the rotation of described rotor part in making two to export.
The valve body parts of described solenoid electric valve also comprises position-limit mechanism, position-limit mechanism comprise the retainer that is fixedly installed with described rotor part and with described valve body parts maintain static the bounding means that partial fixing arranges, when rotor part turns to a certain degree, described retainer can be conflicted described bounding means.
Described bounding means comprises spacing core, noise abatement part, and spacing core is that metallic material makes and arranges with the fixed partial fixing of described valve body parts, and described noise abatement part is sheathed on described spacing core, and described noise abatement part is that nonmetallic material make; And described spool adopts PPS or PTFE material to make.So namely, ensure that the intensity of bounding means, turn reduce contact and action noise.。
[accompanying drawing explanation]
Fig. 1 is the cross-sectional schematic of a mode of execution of solenoid electric valve of the present invention;
Fig. 2 is the schematic diagram that solenoid electric valve shown in Fig. 1 is analysed and observe along A-A direction, and wherein windings section does not draw concrete structure;
Fig. 3 is the schematic diagram that the spool of solenoid electric valve shown in Fig. 1 is looked up;
Fig. 4 is the cross-sectional schematic of the valve body parts of solenoid electric valve of the present invention;
Fig. 5 is the schematic diagram that B-B direction of valve body parts shown in Fig. 4 is analysed and observe;
Fig. 6 is the schematic diagram of valve body parts four working positions of solenoid electric valve shown in Fig. 4;
Fig. 7 is the schematic diagram of several positions of the electrical power action of solenoid electric valve of the present invention;
Fig. 8 is the cross-sectional schematic of the other mode of execution of solenoid electric valve of the present invention;
Fig. 9 is the cross-sectional schematic of the another mode of execution of solenoid electric valve of the present invention;
Figure 10 is the schematic diagram that Fig. 9 spool is looked up.
Assembly in figure is not necessarily drawn in proportion, and emphasis is the principle for illustrating described embodiment.In the accompanying drawings, same label represents identical or corresponding parts in each view.
[embodiment]
Below in conjunction with the drawings and specific embodiments, the invention will be further described.First introduce a kind of for distributing multiple rate of discharge in other words for controlling the solenoid electric valve of multiple rate of discharge below, as shown in Figure 1-Figure 3, the solenoid electric valve of the present embodiment is a kind of distributing valve with a multiple outlet of import, and solenoid electric valve comprises valve body parts 1 and stator component 2.Valve body parts 1 comprises valve body 50, sleeve pipe 55, spool 56, rotor part 3, and valve body 50 seals setting with sleeve pipe 55 by welding, and in valve body parts, form inner chamber 10, and rotor part 3, spool 56 are arranged in inner chamber 10 movably; Stator component 2 is sheathed on the sleeve pipe 55 of valve body parts and relatively fixing by limit stoper.Valve body parts 1 is provided with entrance sleeve 504 and at least two discharge connections 505, entrance sleeve 504 is communicated with the inner chamber 10 of valve body parts by import 502, discharge connection 505 is communicated with inner chamber 10 selectivity respectively by the conductive channel that the outlet of corresponding quantity, spool 56 are arranged, and discharge connection 505 also can be communicated with inner chamber 10 selectivity with the conductive channel that valve body is formed respectively by the outlet of corresponding quantity, spool 56 in addition.As when the outlet 503 of correspondence is communicated with the conductive channel of spool 56, this outlet is communicated with completely with inner chamber 10; And when the outlet of correspondence is not communicated with the conductive channel of spool 56, this outlet and inner chamber 10 are not communicated with this outlet i.e. substantially not to be had flow or be just partly communicated with namely to ensure that this outlet has a bare flow substantially, specifically can arrange according to the needs of system.Outlet can be specifically 2,3 or 4 etc., and quantity needs according to system equally and arranges, and namely needs the quantity of flow rate distribution according to system and determines.
Valve body parts 1 also comprises axle sleeve 51, elastic element 53, balance pad 54.Valve body 50 is provided with a tabular surface 501, and tabular surface 501 is towards inner chamber setting in other words in the one end near inner chamber 10, and spool 56 and tabular surface 501 are fitted and arranged; Rotor part 3 comprises rotor 31, rotating shaft 32, driving component 33, and rotor 31, rotating shaft 32 are relatively fixing by the mode such as close-fitting or welding, and driving component 33 is fixed on rotor 31; Rotating shaft 32 is limited in sleeve pipe 55 away from one end of valve body rotationally by axle sleeve 51, and the other end of rotating shaft 32 is limited in valve body 50 rotationally, thus makes rotor part 3 relatively fixing rotationally.Rotating shaft 32 near one end of valve body successively through balance pad 54, spool 56 and make its end stretch into the spacing hole of valve body 50, elastic element 53 is also provided with between balance pad 54 and rotor part 3, the present embodiment elastic element 53 is compression helical spring, one end is connected to balance pad 54, the other end is connected in a plane of rotor part, balance pad 54 and spool 56 abut against, thus are applied to spool 56 with making the elastic force relative equilibrium of elastic element 53.Driving component 33 one end of rotor part 3 is fixed in rotor or rotating shaft, the other end then stretches into spool 56 or is arranged in the recess of spool 56, when rotor part rotates, the position that spool contacts with driving component 33 or recess are namely as transmission unit, when rotor part 3 rotates, along with the transmission unit of spool 56 and the contact of driving component, make spool 56 along with rotor part rotation, thus realize the switching of conducting between multiple outlet, thus realize the distribution of flow between each outlet.In order to ensure the accurate of each exit position, rotor part particularly can be made to reset when system has exception, in the present embodiment, valve body parts also comprises position-limit mechanism, position-limit mechanism comprises the retainer 58 be fixedly installed with rotor part 3 and the bounding means 57 be fixedly installed with valve body 50, rotor part is rotated and retainer 58 is conflicted to arrive bounding means 57, thus realize the reset of rotor part, thus ensure the accuracy of rotor part position.In order to the contact sound making retainer 58 conflict when arriving bounding means 57 is relatively little, bounding means 57 can comprise spacing core 571, spacing core 571 is that Structural Hardware and valve body close-fitting are arranged, spacing core 571 also can be fixed by modes such as welding in addition, then at the outer sheathed noise abatement part 572 again of spacing core 571, noise abatement part is that nonmetallic material make as plastic materials etc., so namely ensure that the intensity of bounding means, turn reduces contact noise.Spool can adopt PPS or PTFE material to make.
Rotor 31 comprises rotor body portion 310 and multiple rotor with salient pole along rotor body portion 310 evagination, and namely rotor with salient pole protrudes along rotor body portion 310 to stator component direction or can be described as and radially protrudes; Rotor with salient pole is radially evenly arranged, in the present embodiment, motor is the reluctance motor of four phases (8/6) structure, rotor 31 comprises 6 outwardly rotor with salient pole namely protruded to stator direction: 311,312,313,314,315,316, two rotor with salient pole be wherein oppositely arranged form a group rotor salient pole: as rotor with salient pole 312 and the rotor with salient pole 315 be oppositely arranged, rotor with salient pole 311 is respectively three group rotor salient poles with the rotor with salient pole 314 be oppositely arranged, rotor with salient pole 313 with the rotor with salient pole 316 be oppositely arranged.Rotor joint 317 and rotating shaft 32 closely cooperate fixing, as by being tightly fixed, also can be undertaken reinforcing or by crimping, one being out of shape and fixing further by welding in addition.In order to ensure that rotor can not corrosion through the surface of punching press, rotor can use and spray paint or the mode anti-corrosion treatment such as electrophoresis, makes surface form anticorrosive coat.Equally, stator surface also can use electrophoresis or the anti-corrosion treatment such as to spray paint.
Stator component 2 is positioned at outside valve body parts, and be specifically that to be positioned at the sleeve pipe 55 of valve body parts outer and fix with valve body parts in the present embodiment, stator component 2 comprises stator 21, external insulation layer 22, many group windings 23.Motor in the present embodiment is the reluctance motor of four phases (8/6) structure, wherein stator comprises stator base portion 210 and four groups of stator salient poles: first group of stator salient poles 211,211 ', second group of stator salient poles 212,212 ', 3rd group of stator salient poles 213,213 ', 4th group of stator salient poles 214,214 ', i.e. 8 stator salient poles; Stator salient poles is for arrange symmetrically, and namely stator salient poles is inwardly protruded to rotor direction from stator base stage; Stator salient poles adopts silicon steel sheet to fix through rivet after punching press, or it is firm through bending after end arranges cramp groove after punching press, or namely the position " hasp " fallen in next punching at the position that a punching protrudes forms hasp and is connected, in addition also can through being welded and fixed after punching press together; Stator and rotor can also adopt the powder metallurgy of soft magnetic material to process.Often organize stator salient poles be symmetrical arranged and be wound with winding, each stator salient poles respectively has a winding, often organizes two windings of stator salient poles in being arranged in series; Also can be connected respectively to two windings by circuit in addition, such two windings are arranged in parallel exactly.The stator of coiling many groups winding forms external insulation layer 22 with circuit components such as protective winding through injection moulding; In addition also can outside a sheathed insulating bush with electrical parts such as protective winding.In the present embodiment, be first at each group of sheathed inner insulating layer 24 of stator salient poles, inner insulating layer 24 can be the insulated plastic materials and parts formed through injection moulding; Then coiling winding on inner insulating layer, winding is drawn through connecting line; The winding technique often organized connects together or after separating coiling again.External insulation layer 22 can the lateral part of radial direction of a covering stator and winding and the outside of axis fill each group of space between stator salient poles and winding, but the not radial madial wall near sleeve pipe of covering stator parts 2, gap when can reduce each phase place like this between stator salient poles madial wall 215 and the outer side wall 318 of rotor 31, and improve the power of motor.In addition, also stator component 2 radial direction the injection molded layers of layer can be covered on the madial wall of sleeve pipe when injection moulding, as between 0.2 ~ 0.7mm, more suitable, between 0.3 ~ 0.5mm, so both ensure that stator madial wall is covered by isolation layer, and the gap between the outer side wall 318 of stator salient poles madial wall 215 and rotor 31 also can not increase too much.In addition, sleeve pipe can select stainless steel material, and the wall thickness of such sleeve pipe can be relatively thin, the distance between the end that is can reduce two magnetic conductions of stator salient poles and rotor with salient pole, thus reduces magnetic resistance.The distance of stator component between the internal face and the outer wall of described sleeve pipe of stator salient poles is less than or equal to 0.2mm, magnetic resistance can be made so relatively little, when having the coatings such as electrophoresis or injection molded layers on stator salient poles surface, the stator salient poles that the distance between the outer wall of stator salient poles and described sleeve pipe here refers to band coating or injection molded layers is near the distance between the outer wall and the outer wall of sleeve pipe of the stator salient poles of the distance between the cambered surface and the outer wall of sleeve pipe in sleeve outer wall portion and band coating or injection molded layers; Equally, distance between the outside wall portions of rotor part at rotor with salient pole position and the inwall of described sleeve pipe is less than or equal to 0.3mm, same to reduce magnetic resistance, and distance same finger the here between rotor with salient pole and the inwall of described sleeve pipe be with the rotor with salient pole of layer of paint or electrophoresis layer near the distance between the cambered surface and internal surface of sleeve pipe in internal surface of sleeve pipe portion.
In the present embodiment, spool 56 comprises transmission unit 561 for coordinating with the driving component 33 of rotor part 3, conductive channel 562, through hole 563.Transmission unit 561 is a lack part, and after having assembled, driving component 33 part is arranged in transmission unit 561, and when rotor part 3 rotates, and is rotated by parts such as the contact zones movable valve plugs of driving component 33 and transmission unit 561.The spacing hole of valve body 50 is inserted in the rotating shaft 32 of rotor part 3 by through hole 563 towards one end of valve body 50 in addition, and spool 56 is contacted towards the tabular surface of valve body 50 with the tabular surface of valve body 50 towards the surface of inner chamber 10, meanwhile, corresponding conducting portion 541 is also provided with at the position of the relative spool conductive channel of balance pad 54, conductive channel 562 is also a lack part, outlet 503 (B, C, D) in the tabular surface 501 on such valve body 50 surface is if it is in conductive channel 562 place corresponding position, then namely this outlet is communicated with inner chamber 10 by the conducting portion 541 of conductive channel 562, balance pad 54, and import 502 is also communicated with inner chamber 10, namely this outlet is connected with import like this, then directly cannot be communicated with inner chamber by other outlets that the plane of spool 56 covers, thus realize closing or semi-closed situation, namely substantially to close if the rate of discharge making these close is relatively very little, spool 56 can be made between the two to be all that namely gap is very little namely substantially fits for plane towards the tabular surface of the bottom plane of valve body 50 and the tabular surface on valve body 50 surface, even and if if these outlets will be made still to retain when closing certain bare flow exports is be in semi-closed situation, spool 56 then can be made to export position towards the tabular surface on the tabular surface of valve body 50 and valve body 50 surface one recess is set being in, and make this recess and intracavity inter-connection, recess can be arranged on the tabular surface of spool 56 towards valve body 50, also can be arranged in the tabular surface on valve body 50 surface and outlet 503 (B is set, C, D) position, and small channel is set again recess is communicated with inner chamber, even if this outlet is not by conductive channel and inlet communication like this, still can keep certain bare flow, even if namely some outlet is not when having selectivity conducting, still certain bare flow can be kept.In addition, aforesaid way middle outlet is that the conductive channel by spool 56 being arranged similar nicked form realizes, and conductive channel can also be other forms, as arranged the groove of inwardly annular in the bottom plane of spool 56 towards valve body 50 and make groove side and inner chamber arrange the breach of conducting, the same like this object that can realize control conducting, and balance pad just can not arrange conducting portion.
Introduce a concrete mode of execution below, as shown in Fig. 4, Fig. 5, Fig. 6.The solenoid electric valve of this embodiment is specially one and enters three distributing valves gone out, solenoid electric valve comprises entrance sleeve 504 and three discharge connections 505 (B, C, D), entrance sleeve 504 is communicated with inner chamber 10 by import 502, and three discharge connections 505 (B, C, D) are respectively by the conductive channel selectivity communication with cavity 10 of respective outlet 503 (B, C, D) and spool.Valve body 50 is being provided with three outlet 503 (B, C, D) towards inner chamber 10 place, three discharge connections 505 (B, C, D) are communicated with these three outlets respectively, when spool 56 rotates along with rotor part, the conductive channel 562 of spool 56 can realize four different mode of communicating respectively, thus realizing four kinds of different mode of operations: the first working position: B outlet is communicated with conductive channel, and C, D export and be not communicated with conductive channel; Second working position: B, C outlet is communicated with conductive channel, D outlet is not communicated with conductive channel; 3rd working position: C, D outlet is communicated with conductive channel, B outlet is not communicated with conductive channel; 4th working position: D outlet is communicated with conductive channel, and B, C outlet is not communicated with conductive channel.And other aspects of this embodiment are with embodiment is similar above, no longer repeat here to introduce.
Above in several embodiment, mode please refer to the drawing 7 that solenoid electric valve rotates.Fig. 7 is successively to the schematic diagram of rotor part each position during the A → D of stator → C → B phase winding energising; Using the relative position of stator, rotor in scheming as initial position, under a phase place A-A ' wherein, stator A-A ' excitation, winding energising in stator salient poles 213,213 ', now rotor with salient pole 313,316 and stator salient poles 213,213 ' attracting and position is relative fixing, now magnetic resistance is relatively minimum; Subsequent, winding power-off in stator salient poles 213,213 ' degaussing, winding energising in stator salient poles 212,212 ', and stator D-D ' excitation, now rotor rotates counterclockwise about 15 °, makes rotor with salient pole 312,315 and stator salient poles 213,213 ' relative attracting and position is relatively fixing; Then, winding power-off in stator salient poles 212,212 ' degaussing, the winding energising in stator salient poles 211,211 ', stator C-C ' excitation, now rotor rotates counterclockwise about 15 °, rotor with salient pole 311,314 and stator salient poles 211,211 ' relative attracting and position is relatively fixing; Then, winding power-off in stator salient poles 211,211 ' also makes stator degaussing, winding energising in stator salient poles 214,214 ', stator B-B ' excitation, now rotor rotates about 15 ° counterclockwise again, rotor with salient pole 316,313 and stator salient poles 214,214 ' relative attracting and position is relatively fixing; Like this, rotor just achieves and rotates counterclockwise.Contrary, if stator is that then rotor is just by relatively rotating corresponding angle clockwise by A → B → C → D phase winding energising.Namely the rotational action direction of solenoid electric valve rotor part only needs the excitation order changing winding energising, and has nothing to do with the current direction of winding.If need to rotate how many angles, then carry out energising respective numbers by excitation order to winding.And solenoid electric valve can realize the rotation of both direction, and due to the interaction in stator component, rotor part between salient pole, the location of rotor part can be more accurate, thus guarantee the normal operation of solenoid electric valve.
In embodiment presented hereinbefore, motor is the reluctance motor of four phases (8/6) structure, and wherein stator salient poles is not identical with the quantity of rotor with salient pole, and namely stator salient poles is 8, and rotor with salient pole is 6.Motor can also be the reluctance motor of three-phase (12/8) structure in addition, namely stator salient poles is 12, and rotor with salient pole is 8, at this moment, often organizing stator salient poles is 4, be 4 windings during energising during each excitation phase to be energized, 4 windings can be arranged by serial or parallel connection simultaneously, connect and then are arranged in parallel in addition also can be relative two; Can be the reluctance motor of three-phase (6/4) structure in addition, namely stator salient poles be 6, and rotor with salient pole is 4, and similarly, every two stator salient poles are one group.Also can find out that stator salient poles is not identical with the quantity of rotor with salient pole from upper.
Introduce another one embodiment below, shown in please refer to the drawing 8.In the present embodiment, stator 21a and the inner insulating layer between winding of stator component 2a be stator corresponding on this position of coiling winding, be coated with a layer insulating as epoxy coated layer 24a, and then carry out the coiling of winding, like this, the thickness of inner insulating layer can be relatively thin.In addition, the insulation between winding and stator can also carry out insulation isolation etc. by arranging insulating paper.Other please refer to other embodiments presented hereinbefore.
And when outlet is two, solenoid electric valve of the present invention can realize the control of function that one of them opens a pass, two standard-sized sheets, two complete shut-downs, embodiment can with reference to embodiment presented hereinbefore, if as by one of them outlet in Fig. 5, Fig. 6 scheme as outlet B or outlet D cancels; If system does not need two outlets open or close in addition simultaneously simultaneously, the outlet C of corresponding centre can be cancelled, also can realize by conductive channel is shortened in addition; Thus can find out that the solenoid electric valve of embodiments of the invention can realize the demand of multiple various combination, be applicable to different purposes as distributing valve, switch valve or switching valve use etc., and manufacture and design relatively simple.
Embodiment presented hereinbefore is for the solenoid electric valve having two or more to export, and can also be only have a solenoid electric valve exported in addition, namely by rotating the switch type solenoid electric valve realizing switch control rule, as shown in Figure 9, Figure 10.Solenoid electric valve comprises valve body parts 1 and stator component 2a.Valve body parts 1 comprises valve body 50, sleeve pipe 55, spool 56a, rotor part 3, valve body 50 seals setting with sleeve pipe 55 by welding, and in valve body parts, form inner chamber 10, rotor part 3, spool 56a are arranged in inner chamber 10 rotationally, and rotor part 3, spool 56 can rotate or rotate corresponding angle under the electromagnetic force of solenoid electric valve in other words; Stator component 2 is sheathed on the sleeve pipe 55 of valve body parts and relatively fixing by limit stoper.Valve body parts 1 is provided with entrance sleeve 504 and discharge connection 505, and entrance sleeve 504, discharge connection 505 and valve body 50 are by being welded and fixed; Entrance sleeve 504 is communicated with the inner chamber 10 of valve body parts by import 502, discharge connection 505 is communicated with inner chamber 10 selectivity by the conductive channel 562a that outlet 503a, spool 56a are arranged, when the conductive channel 562a of spool 56a is communicated with outlet 503a, solenoid electric valve is opened, when the conductive channel 562a of spool 56a is not communicated with outlet 503a, the position, cover outlet 503a place, bottom plane of spool, solenoid electric valve cuts out.This structure goes for the relatively large solenoid valve of bore, and owing to adopting the electromagnetic drive mode of this structure, required electromagnetism power consumption is relatively less.The structure of rotor part and stator component with reference to embodiment above, no longer can be repeated here.This spline structure can also be used for two outlets in addition, as long as the main distinction increases an outlet on valve body, and the conductive channel of spool is adjusted as required; Solenoid electric valve just controlling of selectivity connection can be carried out, as long as can realize one by the rotation of the rotating band movable valve plug of control rotor part in making two to export open four prevailing operating state such as a pass, two standard-sized sheets, two complete shut-downs between such two outlets.
The present invention can not adopt permanent magnet as a part for rotor part, namely the use can cancelling permanent magnet material realizes the function of solenoid electric valve regulable control, and same scheme of the invention can realize multi-purpose control valve, control valve design manufactures relatively easy relatively, go in multi-purpose system, specifically can need to carry out combination adjustment according to system; Adopt technological scheme of the present invention, the heating value of solenoid electric valve is relatively little, and the occasion being more suitable for environmental conditions rather harsh uses; And the accuracy that location relative between rotor with salient pole with stator salient poles makes rotor part locate is relatively high, and ensure break-make control flow control or assignment of traffic time position accuracy.
It should be noted that: above embodiment is only for illustration of the present invention and unrestricted technological scheme described in the invention, although this specification reference the above embodiments are to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, person of ordinary skill in the field still can modify to the present invention or equivalent replacement, and all do not depart from technological scheme and the improvement thereof of the spirit and scope of the present invention, all should be encompassed in right of the present invention.
Claims (12)
1. a solenoid electric valve, comprises valve body parts and stator component, and valve body parts comprises valve body, spool, rotor part, and described rotor part, spool are arranged in the inner chamber of described valve body parts; Described solenoid electric valve comprises import and at least one outlet, and described import is directly communicated with described inner chamber; Described spool is provided with conductive channel and described outlet is communicated with optionally through described spool with described inner chamber, or described spool is equipped with conductive channel with valve body and described outlet is communicated with optionally through described spool and valve body with described inner chamber; Described rotor part comprises the rotor and rotating shaft that are fixedly installed, and described rotor comprises rotor body portion and even number of rotor salient pole; Described stator component comprises stator and multiple winding, described stator comprises stator body portion and even number stator salient poles, each stator salient poles is wound with winding, and described stator salient poles relative stator main body portion is near rotor with salient pole, and rotor with salient pole relative rotor main body portion is near described stator salient poles; When described Electromagnetic Control valve events, multiple windings of stator component are energized in certain sequence respectively, and have at least two windings be oppositely arranged to be energized during energising simultaneously, and described rotor part is rotated, drive described spool to rotate together during rotor part rotational action thus control the outlet of described solenoid electric valve whether selectivity is communicated with the passage be communicated with by spool between described inner chamber.
2. solenoid electric valve as claimed in claim 1, it is characterized in that, described valve body is provided with tabular surface, tabular surface is towards described inner chamber, the tabular surface of described spool and described valve body is fitted and is arranged, described valve body is provided with described outlet at described tabular surface, and described spool is provided with lack part as conductive channel, and it is by described conductive channel and intracavity inter-connection that described outlet is communicated with the selectivity of inner chamber; And described import is also arranged on described valve body.
3. solenoid electric valve as claimed in claim 2, it is characterized in that, described spool comprises a through hole, and described valve body parts also comprises elastic element, balance pad; Described elastic element, balance pad, spool are sheathed in described rotating shaft movably, described elastic element one end abuts described rotor part, the other end abuts described balance pad, and described balance pad is adjacent with described spool, the elastic force of elastic element is made to act on described spool relatively uniformly and the tabular surface of described spool and described valve body is fitted.
4. solenoid electric valve as claimed in claim 3, it is characterized in that, described valve body parts also comprises sleeve pipe, described sleeve pipe is stainless steel material, described sleeve pipe and described valve body are fixed by welded seal and form described inner chamber in inside, and described rotor part is arranged in the inner chamber that described valve body parts inside is formed; Described rotor is positioned at the inner side of the sleeve pipe of described valve body parts, and described stator is positioned at described outside of sleeve, and described rotor with salient pole and described stator salient poles lay respectively at the inside and outside both sides of described sleeve pipe and relatively to arrange near sleeve pipe.
5. the solenoid electric valve as described in as arbitrary in claim 1-4, it is characterized in that, described stator component comprises three groups of stator salient poles, often organize stator salient poles and at least comprise four stator salient poles arranged symmetrically and evenly, each stator salient poles is respectively wound with a winding, four windings often organizing stator salient poles are serial or parallel connection or arrange with another two winding parallels after connecting between two again, and when Electromagnetic Control valve events, in this group stator salient poles, the winding of coiling is energized simultaneously.
6. the solenoid electric valve as described in as arbitrary in claim 1-4, it is characterized in that, described stator component comprises at least three group stator salient poles, often organize stator salient poles and comprise symmetrically arranged two stator salient poles, each stator salient poles is respectively wound with a winding, two windings often organizing stator salient poles are that serial or parallel connection is arranged, and when Electromagnetic Control valve events, in this group stator salient poles, the winding of coiling is energized simultaneously.
7. the solenoid electric valve as described in as arbitrary in the claims, it is characterized in that, described solenoid electric valve comprises at least two outlets; The material of described rotor does not comprise permanent magnet material, described rotor, stator be silicon steel sheet through punch process and through riveted joint hasp connect or be welded and fixed formation, described stator salient poles and rotor with salient pole are all radially evenly arranged, and the quantity of described stator salient poles is greater than the quantity of rotor with salient pole; Described rotor part is also fixed with driving component, and described spool is provided with the transmission unit of matching with described rotor part, drives described valve core rotation action when rotor part rotational action by the contact of described driving component and transmission unit.
8. the solenoid electric valve as described in as arbitrary in the claims, is characterized in that, described solenoid electric valve comprises that three outlet: B export, C outlet, D outlet; At least one driving described valve core rotation to make in described outlet when described rotor part rotational action is communicated with between described inner chamber; Described outlet by conductive channel and intracavity inter-connection, described conductive channel can make one of them outlet or two outlet and intracavity inter-connection; When described spool rotates along with rotor part, the conductive channel of described spool can realize four kinds of different mode of communicating respectively, thus the mode of operation that realization at least four kinds is different, comprising: the first mode of operation: B outlet is communicated with conductive channel, C, D outlet is not communicated with conductive channel; Second mode of operation: B, C outlet is communicated with conductive channel, D outlet is not communicated with conductive channel; 3rd mode of operation: C, D outlet is communicated with conductive channel, B outlet is not communicated with conductive channel; 4th mode of operation: D outlet is communicated with conductive channel, and B, C outlet is not communicated with conductive channel.
9. the solenoid electric valve as described in as wherein arbitrary in the claims 1-6, it is characterized in that, described solenoid electric valve is switch type solenoid valve, described outlet is one, described spool is provided with the part of lack part as conductive channel or conductive channel, and described outlet can by described lack part with inner space or be not communicated with.
10. the solenoid electric valve as described in as wherein arbitrary in the claims 1-6, it is characterized in that, the described outlet of described solenoid electric valve is two, described spool is provided with the part of lack part as conductive channel or conductive channel, described outlet by described lack part with inner space or be not communicated with, can realize the switching that is opened four prevailing operating state such as a pass, two standard-sized sheets, two complete shut-downs by controlling the rotation of described rotor part in making two to export.
11. as arbitrary in the claims as described in solenoid electric valve, it is characterized in that, the valve body parts of described solenoid electric valve also comprises position-limit mechanism, position-limit mechanism comprise the retainer that is fixedly installed with described rotor part and with described valve body parts maintain static the bounding means that partial fixing arranges, when rotor part turns to a certain degree, described retainer can be conflicted described bounding means.
12. solenoid electric valves as claimed in claim 11, it is characterized in that, described bounding means comprises spacing core, noise abatement part, spacing core is that metallic material makes and arranges with the fixed partial fixing of described valve body parts, described noise abatement part is sheathed on described spacing core, and described noise abatement part is that nonmetallic material make; And described spool adopts PPS or PTFE material to make.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210425275.4A CN115163876A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
| CN201410479494.6A CN105422915A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410479494.6A CN105422915A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210425275.4A Division CN115163876A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422915A true CN105422915A (en) | 2016-03-23 |
Family
ID=55501348
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410479494.6A Pending CN105422915A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
| CN202210425275.4A Pending CN115163876A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210425275.4A Pending CN115163876A (en) | 2014-09-18 | 2014-09-18 | Electromagnetic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105422915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256874A (en) * | 2017-07-13 | 2019-01-22 | 杭州三花研究院有限公司 | Stepper motor and valve gear with the stepper motor |
| CN114352768A (en) * | 2020-09-28 | 2022-04-15 | 青岛海尔电冰箱有限公司 | Electric switching valve, refrigerating system and refrigerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928408A (en) * | 2005-09-07 | 2007-03-14 | 浙江三花制冷集团有限公司 | Electric change-over valve |
| CN201045751Y (en) * | 2007-04-09 | 2008-04-09 | 刘新广 | Totally-enclosed driving device |
| CN101230928A (en) * | 2007-01-26 | 2008-07-30 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator refrigerating cycle device |
| CN101270826A (en) * | 2007-03-19 | 2008-09-24 | 浙江三花制冷集团有限公司 | Electric switching valve |
| US20080236193A1 (en) * | 2007-03-29 | 2008-10-02 | Zhejiang Sanhua Climate & Appliance Controls Group Co., Ltd. | Motor-operated selector valve and refrigeration cycle device for refrigerators |
| CN102116382A (en) * | 2009-12-31 | 2011-07-06 | 浙江三花股份有限公司 | Magnetic rotor structure and power-driven switching valve |
| CN202065504U (en) * | 2011-05-19 | 2011-12-07 | 浙江三花制冷集团有限公司 | Electric switch valve and refrigerator using same |
-
2014
- 2014-09-18 CN CN201410479494.6A patent/CN105422915A/en active Pending
- 2014-09-18 CN CN202210425275.4A patent/CN115163876A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928408A (en) * | 2005-09-07 | 2007-03-14 | 浙江三花制冷集团有限公司 | Electric change-over valve |
| CN101230928A (en) * | 2007-01-26 | 2008-07-30 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator refrigerating cycle device |
| CN101270826A (en) * | 2007-03-19 | 2008-09-24 | 浙江三花制冷集团有限公司 | Electric switching valve |
| US20080236193A1 (en) * | 2007-03-29 | 2008-10-02 | Zhejiang Sanhua Climate & Appliance Controls Group Co., Ltd. | Motor-operated selector valve and refrigeration cycle device for refrigerators |
| CN201045751Y (en) * | 2007-04-09 | 2008-04-09 | 刘新广 | Totally-enclosed driving device |
| CN102116382A (en) * | 2009-12-31 | 2011-07-06 | 浙江三花股份有限公司 | Magnetic rotor structure and power-driven switching valve |
| CN202065504U (en) * | 2011-05-19 | 2011-12-07 | 浙江三花制冷集团有限公司 | Electric switch valve and refrigerator using same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256874A (en) * | 2017-07-13 | 2019-01-22 | 杭州三花研究院有限公司 | Stepper motor and valve gear with the stepper motor |
| CN114352768A (en) * | 2020-09-28 | 2022-04-15 | 青岛海尔电冰箱有限公司 | Electric switching valve, refrigerating system and refrigerator |
| CN114352768B (en) * | 2020-09-28 | 2024-01-05 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115163876A (en) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105333203B (en) | Electric expansion valve | |
| US20090294713A1 (en) | Flow rate control valve | |
| US2860850A (en) | Solenoid valve | |
| US7049722B2 (en) | Motor core construction | |
| JP2004523126A (en) | Encapsulation of solenoid valve actuator | |
| CN104081097B (en) | Be suitable to the solenoid pilot valve of the hydraulic valve of household electrical appliance | |
| CN105422915A (en) | Electromagnetic control valve | |
| CN102568739A (en) | Solenoid for a direct acting valve having stepped guide tube | |
| US20100019179A1 (en) | Solenoid for a Pilot Operated Water Valve Having Reduced Copper and Increased Thermal Efficiency | |
| CN102109056A (en) | Bistable state electromagnetic valve | |
| EP2215388B1 (en) | On-off flow valve | |
| CN109538810A (en) | A kind of small-size light-weight solenoid valve | |
| KR101431552B1 (en) | Butterfly valve with coil | |
| WO2014037024A1 (en) | Disc resolver and brushless direct current motor including the same | |
| CN209217811U (en) | Motor | |
| CN106787333B (en) | Loop construction, coil module and brushless motor | |
| CN106499836A (en) | A kind of turning valve core type magnetic slide valve | |
| US4290579A (en) | O-ring solenoid valves | |
| CN101682247B (en) | Linear motor for linear compressor | |
| CN110350685A (en) | Motor | |
| JPH07226324A (en) | Transformer | |
| US20120112103A1 (en) | Seal assembly for metering valve | |
| KR19990011653A (en) | Insulation structure of linear motor | |
| JP6701029B2 (en) | Open/close type solenoid | |
| CN208845838U (en) | A kind of solenoid valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |