CN100487289C - Electric valve - Google Patents
Electric valve Download PDFInfo
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- CN100487289C CN100487289C CNB031600719A CN03160071A CN100487289C CN 100487289 C CN100487289 C CN 100487289C CN B031600719 A CNB031600719 A CN B031600719A CN 03160071 A CN03160071 A CN 03160071A CN 100487289 C CN100487289 C CN 100487289C
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- valve body
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- throttle orifice
- valve
- intercommunicating pore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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- Multiple-Way Valves (AREA)
- Sliding Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
This motor-operated valve comprises a valve body 900 for adjusting coolant passing flow by a valve element 200, and a can 400 containing a rotor 300 for operating the valve element. A first communication hole 910 and a second communication hole 920 are drilled in the valve body. The valve element is provided to this motor-operated valve and can rotate and move between a position where any of the first communication hole and second communication hole is selectively closed and a position where either of the first communication hole and second communication hole is not closed. Two orifice formed parts whereinto orifices 224 are drilled are formed on the valve element. Porous members 226, 223 are arranged on the respective orifice formed parts such that the coolant having passed through the respective porous members joins at the flowout side.
Description
Technical field
The present invention relates to be contained in the middle mortor operated valves that use such as air conditioner, mortor operated valve of the present invention can reduce the noise that refrigeration agent is produced by mortor operated valve the time.
Background technique
Past, this mortor operated valve that uses in the refrigeration systems such as air conditioner, refrigerating machine that is contained in is the parts that are used to regulate the flow of fluids such as refrigeration agent, usually has the valve body that constitutes by valve chest and valve seat and by the cover that the round-ended cylinder shape is arranged of bead shape partial fixing on above-mentioned valve body top, rotor is loaded in this cover, and stator is then inlayed the outside that is placed in this cover.Can enumerate patent documentation 1 described later as the example that discloses such prior art.(the 0036-0039 section of TOHKEMY 2002-206657 communique and Fig. 7-Fig. 8)
Below, use Fig. 8 to Figure 10 of present specification that the mortor operated valve described in the patent documentation 1 is described.What Fig. 8 and Figure 10 represented is the little situation of flow, and what Fig. 9 represented is the big situation of flow.Under the situation that specifically is used for freeze cycle, Fig. 8 represents is the valve body position during dehumidifying in the refrigeration cycle, the valve body position that Fig. 9 represents when being refrigeration pyrogenicity, the valve body position that Figure 10 represents when being the dehumidifying of pyrogenicity circuit.
Two runners that this mortor operated valve 40 will constitute discrepancy pipeline 2a, the 2b of refrigeration agent are made with the running shaft parallel longitudinal of valve body 43 and are arranged, and make refrigeration agent, thereby realize owing to the leakage that pressure produced of the refrigeration agent that is subjected to from the 1st runner 2a and the 2nd runner 2b is identical
The flow of the 1st → the 2nd flow==the 2 → the 1st.
The feature of this mortor operated valve 40, be following each point as shown in Figure 8: the upper end portion that discoid valve body 42 is arranged on the 1st runner 2a and the 2nd runner 2b, and on this valve body 42, form 2 holes, promptly the 1st intercommunicating pore 42a and the 2nd intercommunicating pore 42b be in order to connecting and above-mentioned runner is installed, and roughly 180 valve bodies of being made by synthetic resin etc. 43 of spending of rotation is set on the upper surface of this valve body 42.Above-mentioned valve body 43 is made and is covered shape, has throttle orifice 43a on this cover, i.e. the opening of the refrigeration agent of small cross sections.
And then, this mortor operated valve 40 is elaborated.As shown in Figure 8, valve body 42 is made its plan view for circular, is provided with at an upper portion thereof when covering 46, forms valve chest 42c, and heart place forms recess 42f therein, and the supporting axle 43c of valve body 43 is rotatable to be run through wherein freely.The supporting axle 43c of this valve body 43 is connected with the inner peripheral surface of valve block 45 and can transmits rotating force.
Above-mentioned valve block 45 usefulness spring 45a push downwards and are one with rotor 47, and the rotation of rotor 47 makes valve body 43 rotations by the valve block 45 that is connected by support ring 47a.Valve body 43 is made of enclosure portion 43f that can seal the 1st left and right intercommunicating pore 42a and the 2nd intercommunicating pore 42b and axle core 43g, supporting axle 43c connects this core 43g, because the rotation of this supporting axle 43c, enclosure portion 43f then is in position that the position of sealing the 1st intercommunicating pore 42a shown in Figure 8, the 1st intercommunicating pore 42a shown in Figure 9 and the 2nd intercommunicating pore 42b do not seal, and the position of sealing the 2nd intercommunicating pore 42b shown in Figure 10.In addition, in order not allow valve body 43 not move to beyond above-mentioned three positions, on the top of valve body 42, setting is provided with two limiter 42e, 42e near intercommunicating pore 42a, 42b.
No matter said electric valve because the flowing on positive and negative any direction of refrigeration agent, and its structure all is to make valve body 43 because the effect of refrigeration agent is pushed to intercommunicating pore 42a, 42b on one side.Thereby, except the flow of realizing the 1st → the 2nd flow==the 2 → the 1st, also make the gap smaller between valve body 42 and the valve body 43, thereby the leakage that can make refrigeration agent is seldom.(refrigeration agent flows to the 2nd runner by the 1st runner) is set at roughly the same flow of refrigerant state during dehumidifying in the time of especially, can be with the dehumidifying in the refrigeration cycle of Fig. 8 in the circulation of the pyrogenicity of (refrigeration agent flows to the 1st runner by the 2nd runner) and Figure 10.
Yet in patent documentation 1 described mortor operated valve, the problem of existence is when refrigeration agent passes through mortor operated valve, the unfavorable condition of noise and so on occurs producing.As the device that prevents to produce noise and so on unfavorable condition when refrigeration agent passes through mortor operated valve, the inventor has proposed the technological scheme of record in patent documentation 2 described later (summary and the Figure of abstract of TOHKEMY 2001-289538 communique).
The mortor operated valve of this patent documentation 2 is loaded on to the bubble in the valve chest inner fluid is attenuated and is arranged on through hole between the parts of reticular part, and can expect and obtain certain effect.
Therefore, the inventor improves for the noise that is suppressed at the mortor operated valve generation of putting down in writing in the above-mentioned patent documentation 1, has proposed new invention (applying for 2002-185247 number for Japan's special permission as the invention in first to file).
Utilize Figure 11 and Figure 12 that the mortor operated valve of above-mentioned invention in first to file is described.Figure 11 is the sectional arrangement drawing of this mortor operated valve 100, Figure 12 be Figure 11 the A-A section to view.
This mortor operated valve 100 has valve body 900, employing is weldingly fixed on the cover 400 on the valve body 900, be arranged on the rotor 300 of cover in 400, utilize the valve body 200 that rotor 300 rotate and inlay valve chest 110 in and be enclosed within rotor 300 rotational stator 500 of covering 400 outer surface, being driven into cup-shaped, constitute stepper motor by rotor 300 and stator 500.
The outer circumferential face of rotor 300 is cylindric and makes it be loaded on cover 400 inside, and is roughly cup-shaped for what be made of plastic magnet as a whole, inserts running shaft 800 and fixing on the valve block 600 of the bottom of this rotor 300.And the drive portion 810 that drives valve body 200 is made of one with this valve block 600.
The throttle orifice 224 of the configuration of above-mentioned porous member 226,223 and throttle orifice formation portion 225 is provided with certain interval, and for example, the employing riveted joint is contained on the valve member 220 and gives fixing.The structure of these porous members 226,223 is to make the foaming metal that is main component discoid or Foamex is made discoid with nickel, copper etc.Have again, for example also can use to become discoid net metal parts with metal wire knitted such as stainless steel, brass, iron, aluminium by the commodity " ア キ ユ-system ソ Star シ ユ " by name of East Asia iron steel Co., Ltd. system.
And as shown in figure 12, valve body 200 is made its plan view for circular, and valve body actuator 210 is made its plan view square for roughly, and both link into an integrated entity with connected element 212.
The middle position of valve body actuator 210 is equipped with the running shaft 800 that is rotatably assorted.Vertically be provided with former and later two connected elements 211,211 on the valve body actuator 210, these two connected elements 211 are disposed near the valve block 600 of bottom of the rotor 300 the running shaft 800 and make its drive portion of seizing the sagging plate that is made of one on both sides by the arms 810.In addition, valve body actuator 210 and drive portion 810 running fit make it that moving up and down to a certain degree can be arranged.Drive portion 810 its side view as shown in figure 11 is square.In addition, compress with pressure spring 820 between the upper surface of the lower surface of drive portion 810 and valve body actuator 210.
In addition, on the parts 900b up, be when position that the center has a several angle has the 1st intercommunicating pore 910 and 920 two holes of the 2nd intercommunicating pore, to constitute valve seat 940 above it, and form retainer 930 with the axis.Valve body 200 is along with the rotation that is rotated on this valve seat 940 of valve body actuator 210, and contacts, slides with valve plate portion 228.
In addition, the center portion of valve chest 110 parts of parts 900b up and valve body base portion 900a forms the recess 900c of supporting rotating shaft 800 lower ends.
Being rotated axle 800 by the valve member 220 that constitutes like this and valve body actuator 210 drives and rotates, has the effect (Figure 11 and Figure 12 represent that the 1st intercommunicating pore 910 is " pass ", and fluid flows to the situation of fluid inflow and outflow pipe 2a from fluid inflow and outflow pipe 2b) that the intercommunicating pore 910,920 that makes the 1st intercommunicating pore 910 or the 2nd intercommunicating pore 920 either party or two sides is opened.
In the invention of first to file as mentioned above, when valve body 200 forms the throttle orifice formation portion 225 that has throttle orifice 224, be provided for the porous member 226 that the bubble with refrigeration agent further diminishes by flowing into a side at the fluid of throttle orifice formation portion 225 at least, gross blowhole in the refrigeration agent disappeared and the noise that flows that is accompanied by from the refrigeration agent of mortor operated valve is reduced; And, by both sides porous member 226,223 is set at throttle orifice 224, can further improve the effect that reduces noise.
Specifically, gross blowhole in the refrigeration agent is decomposed when flowing into valve chest and intercommunicating pore by porous member 226 and even reticular part from inflow entrance and it is diminished, these bubbles can not grown into gross blowhole and be flowed into the throttle orifice 224 that is formed on the valve body 200 rapidly with the state that diminishes, thereby the time by throttle orifice 224, flow into a side at it and can not produce violent variation in pressure with outflow one side, thereby improved the effect that reduces the sound that flows, the noise in the time of can preventing from effectively to dehumidify running.
In addition,, get final product, also help conserve space and cost because the porous member 226 of the simple structure that is made of plate-like piece only is set as the part of valve body 200.And then, increasing porous member 223 by bottom at throttle orifice 224, then can realize the jet flow of throttle orifice 224 outlets is carried out rectification.
Have, in the present invention, shown in another example as shown in figure 13, in order further to improve the effect that reduces the sound that flows, the refrigeration agent that also goes for flowing into from fluid inflow and outflow pipe imports the situation of porous member 226,223 more again.That is, below, the fluid inflow and outflow pipe in this another example and the different structure of valve body are illustrated.In another example as shown in figure 13, invest the identical label of same Figure 11, Figure 12 and omit its explanation in the part identical with the structure of mortor operated valve 100 shown in Figure 11.
In this another example, as shown in figure 13, the outflow end 2b1 ' that the formation of fluid inflow and outflow pipe 2b1 (inlet duct) makes fluid inflow and outflow pipe 2b1 be arranged at throttle orifice formation portion 225 ' throttle orifice 224 ' compare be positioned at more top.
Have again, in this another example, valve body 200 ' by have throttle orifice 224 ' section be roughly the throttle orifice H font, that for example metal stainless steel is made form portion 225 ', be disposed at throttle orifice 224 ' the upstream and the porous member 226 in downstream ', 223 ' and to inlay shaping throttle orifice formation portion 225 ' and valve body actuator 210 ' formation of being made of one.
The plectane W2 of above-mentioned throttle orifice formation portion 225 ' be connected with neutral position with wall W1 by the wall W1 that forms cylindrical part constitutes, on the space segment 225 ' c and space segment 225 ' d that form by wall W1 and plectane W2, utilize as plunging with plectane W2 keep configuration porous member 226 under the situation of certain distance ' with porous member 223 '.Valve body actuator 210 ' rotated position is combined with running shaft 800 in the central.In addition, valve body actuator 210 ' with drive portion 810 is slidingly matched and makes it that moving up and down to a certain degree can be arranged.
In addition, valve body 900 ' be made of main body part a 900 ' a, fluid inflow and outflow pipe 2b1 connect main body part 900 ' a and protrude in valve chest 110 and be arranged in the valve chest 110, and fluid inflow and outflow pipe 2a is connected with the 1st intercommunicating pore 910.
And, upper surface 900 ' b of main body part 900 ' a is as valve seat, valve body actuator 210 ' on the valve plate portion 228 ' on valve seat, slide that forms, by porous member 226 ' and porous member 223 ' and throttle orifice 224 ' fluid import the 1st intercommunicating pore 910 or the 2nd intercommunicating pore 920.
The fluid that utilizes this structure to flow into from fluid inflow and outflow pipe 2b1, for example the refrigeration agent used of freeze cycle through valve chest 110 flow into reliably throttle orifice 224 ', at this moment, by porous member 226 ', 223 ' can improve the effect that reduces flow of refrigerant sound.
Summary of the invention
Though having, above-mentioned invention in first to file realizes reducing the such function of sound that flows, but the present invention can further reduce noise by further improvement, that is, the objective of the invention is to realize further being reduced in the noise that fluid (refrigeration agent) produced by time in the mortor operated valve.
For achieving the above object, mortor operated valve of the present invention has been taked following measure.
The mortor operated valve of the present invention's first scheme, have the valve body that utilizes in the valve chest and adjust the valve body of the same inflow-rate of water turbine of fluid, be fixed on this valve body, the rotor that above-mentioned valve body is moved is loaded on cover wherein and cooperates and rotate the stator of the above-mentioned rotor of driving with the periphery of this cover, it is characterized in that: valve body is made of disc-shaped part, when the periphery of the central part of this disc-shaped part has the 1st intercommunicating pore and the 2nd intercommunicating pore, disc-shaped part dispose can be at following two valve bodies that move the position by cover one side, these two positions are: optionally seal the position that the position of one of the 1st intercommunicating pore and the 2nd intercommunicating pore and the 1st intercommunicating pore and the 2nd intercommunicating pore are not all sealed by rotation; With the opposite side of valve body one side that has disposed above-mentioned valve body the 1st runner and the 2nd runner that is communicated with above-mentioned each intercommunicating pore is being installed; On above-mentioned valve body, form side by side in a plurality of throttle orifice formation portions that have a throttle orifice, fluid at least in above-mentioned each throttle orifice formation portion flows into a side, in above-mentioned each throttle orifice formation portion, dispose porous member, make fluid flow out side interflow by above-mentioned porous member.
The mortor operated valve of alternative plan of the present invention is in the mortor operated valve of first scheme, and draw on than the high position of above-mentioned porous member the outflow end of above-mentioned fluid inflow and outflow pipe.
The mortor operated valve of third party's case of the present invention be first or the mortor operated valve of alternative plan in, above-mentioned fluid inflow and outflow pipe separately is connected with above-mentioned valve body.
The mortor operated valve of the cubic case of the present invention is that above-mentioned porous member is configured in the both sides of above-mentioned throttle orifice first to third party's case in the mortor operated valve of any one scheme.
The mortor operated valve of the present invention's the 5th scheme is in the mortor operated valve of cubic case, the valve body actuator rotation that above-mentioned valve body utilization and this valve body are made of one.
The mortor operated valve of the present invention's the 6th scheme is in the mortor operated valve of first scheme, its structure is: set 2 the throttle orifice formation portions of putting on above-mentioned valve body, can set the position of valve body selectively, the state that the throttle orifice of state that the throttle orifice of a throttle orifice formation portion is communicated with the 1st intercommunicating pore of valve body or two throttle orifice formation portions is communicated with the 1st intercommunicating pore of valve body simultaneously.
Mortor operated valve according to above-mentioned the 6th scheme, because the position of valve body can be set in selectively state or 2 states that throttle orifice all is communicated with of only being communicated with a throttle orifice, in freeze cycle, except refrigeration pyrogenicity is set, also can carry out two kinds of settings of power to the dehumidifying running.
The mortor operated valve of the present invention's the 7th scheme is in the mortor operated valve of the 6th scheme, implements above-mentioned two kinds of connected states by means of the notch part that is formed on the valve body.
And the mortor operated valve of the present invention of Gou Chenging because porous member is configured in the wider scope, can further reduce the noise that flows and produced of following fluid like this.
Description of drawings
Fig. 1 is the sectional arrangement drawing of the mortor operated valve of embodiments of the invention 1.
Fig. 2 is the explanatory drawing with respect to the position of the valve body of valve body of explanation embodiments of the invention 1, during Fig. 2 (A) expression minimum discharge, during Fig. 2 (B) expression peak rate of flow.
Fig. 3 is the plan view of this embodiment's 1 of expression valve body.
Fig. 4 is the worm's eye view of this embodiment's 1 of expression valve body.
Fig. 5 is the sectional drawing of the A-A curve of Fig. 3.
Fig. 6 is the sectional arrangement drawing of the mortor operated valve of embodiments of the invention 2.
Fig. 7 is the sectional arrangement drawing of the mortor operated valve of embodiments of the invention 3.
Fig. 8 is the explanatory drawing of expression prior art, the valve body position when flow is small capacity.
Fig. 9 is the explanatory drawing of expression prior art, the flow valve body position when being big capacity.
Figure 10 is the explanatory drawing of expression prior art, the valve body position when flow is small capacity.
Figure 11 is the sectional arrangement drawing of mortor operated valve that is illustrated in the invention of first to file.
Figure 12 be Figure 11 the A-A section to view.
Figure 13 is the sectional arrangement drawing at the mortor operated valve of another example of the invention of first to file.
Figure 14 is the sectional arrangement drawing of the mortor operated valve of embodiments of the invention 4.
Figure 15 is this embodiment's 4 the explanatory drawing with respect to the valve body of the valve body position when the refrigeration pyrogenicity.
Figure 16 is this embodiment's 4 the explanatory drawing with respect to the valve body of the valve body position when the small flow, when Figure 16 (A) represents more small flow, during Figure 16 (B) expression small flow.
Figure 17 is the plan view of this embodiment 4 and embodiment's 5 valve body.
Figure 18 is the sectional view of the B-B curve of Figure 17, when Figure 18 (A) represents more small flow, during Figure 18 (B) expression small flow.
Figure 19 is this embodiment's 4 a worm's eye view.
Figure 20 is the sectional view of B-B curve of Figure 17 of embodiments of the invention 5, and Figure 20 (A) is when representing more small flow, during Figure 20 (B) expression small flow.
Figure 21 is the worm's eye view of this embodiment's 5 valve body.
Embodiment
Below, the mortor operated valve 1 to embodiment 1 describes with reference to the accompanying drawings.Fig. 1 is the sectional arrangement drawing of embodiment 1 mortor operated valve, and Fig. 2 is the position description figure with respect to the valve body of valve body, during Fig. 2 (A) expression minimum discharge, during Fig. 2 (B) expression peak rate of flow.In addition, Fig. 3 is the plan view of valve body, and Fig. 4 is the worm's eye view of valve body, and Fig. 5 is the sectional view of the A-A curve of Fig. 3.
The present invention is based on the invention in first to file of aforementioned Figure 11 to Figure 13 record, therefore, at Fig. 1 to the present invention shown in Figure 6, for Figure 11 to Figure 13 in the identical structural element of the invention in first to file put down in writing, omit its explanation by being marked with identical drawing reference numeral.Promptly, in the mortor operated valve 1 shown in Figure 1, for stator 500, cover 400, running shaft 800 and valve body 900 ', the upper end portion 2b1 ' of the 1st intercommunicating pore 910, fluid inflow and outflow pipe 2b1 and fluid inflow and outflow pipe 2b1 etc., do not have difference with the invention in first to file shown in Figure 13.
It is cup-shaped to utilize stator that its rotor rotated 300 is made, and the running shaft 800 that is made of one with rotor 300 is being fixed by axle portion therein, in the upper bottom portion of rotor 300 be contained between the shaft supporting part 400d of upper bottom portion of cover 400, be equipped with pressure spring 820 '.Therefore, running shaft 800 by means of spring 820 ' elastic force press to the below.In addition, the component 211 that passes through to be fixed in the bottom of running shaft 800 be provided with valve body actuator 210 ', valve body 200 ' with this valve body actuator 210 ' be made of one.Therefore, the rotating force of the rotor 300 that is driven by stator 500 rotation, with above-mentioned invention in first to file similarly by be crimped on valve body 900 ' parts upper surface 900 ' b in make valve body 200 ' rotation.
Valve body 200 ' as shown in Figures 3 and 4 has certain thickness, plan view is by the valve body drive part 210 of semicircular plate body and central position thereof ' form altogether.In addition, Fig. 3 be valve body 200 ' plan view, Fig. 4 be valve body 200 ' worm's eye view.On above-mentioned semicircular plate body part, opened two holes abreast by intermediate portion 200 ' a, formation throttle orifice formation portion 225 on each hole '.In addition, the bottom of 200 ' a of above-mentioned intermediate portion (with valve body 900 ' parts upper surface 900 ' b sliding contact) have a breach, form the connected part 200 ' b in hole, the left and right sides.In other words, as shown in Figure 5, even valve body 200 ' be in and valve body 900 ' the state of parts upper surface crimping, two throttle orifice formation portions 225 ' the hole also be communicated with by interconnecting part 200 ' b.
The b of throttle orifice formation portion 225 " a and throttle orifice formation portion 225 " is illustrated with Fig. 5.Because the b of this throttle orifice formation portion 225 " a and throttle orifice formation portion 225 " is identical shape, thereby the 225 " a of throttle orifice formation portion of one of them only are described.Valve body 200 ' the hole be to be seen as the 225 " a of throttle orifice formation portion that circle, section are roughly H shape from the top.In addition, at the caulking part of the formation up and down W3 of the W1 of wall portion of side, discoid porous member 226 ' a (top of throttle orifice 224 ' a) and porous member 223 ' a (bottom of throttle orifice 224 ' a) be riveted fixing symmetrically up and down.Above-mentioned porous member 226 ' a and porous member 223 ' a with use identical materials at the Figure 11 of the invention of first to file and porous member shown in Figure 12, be foaming metal, Foamex or netted wire netting parts etc.In addition, between porous member 226 ' a and the W2 of plectane portion, form space segment 225 ' c, and between porous member 223 ' a and the W2 of plectane portion, form space segment 225 ' d.
" among the b, discoid porous member 226 ' b (top of throttle orifice 224 ' b) and porous member 223 ' b (bottom of throttle orifice 224 ' b) be riveted fixing symmetrically up and down in addition, in another throttle orifice formation portion 225.As a result, the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 " valve body 220 ' on be glasses shape configuration.
Position (Fig. 2 (B)) when the valve body 200 of above-mentioned shape ' utilize 500 pairs of valve bodies 900 of stator ' select, the position when being disposed at minimum discharge (Fig. 2 (A)) and peak rate of flow.In the position when minimum discharge, valve body 200 ' be in above the summary of the 1st intercommunicating pore 910, thereby refrigeration agent flow to the 1st intercommunicating pore 910 from fluid inflow and outflow pipe 2b1 by the 2nd intercommunicating pore 920 and valve chest 110, but when the time by throttle orifice 224 ' a and throttle orifice 224 ' b, shown in the arrow of Fig. 5, collaborate and flow to the 1st intercommunicating pore 910 by the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 ".
That is, refrigeration agent can have the effect of the mobile sound of further reduction refrigeration agent by by then flowing out side interflow after each of a plurality of porous member 226 ' a, 223 ' a that form, 226 ' b, 223 ' b.Certainly, porous member is not limited to flowing into a side and flowing out the situation that a side all disposes, and also can be configured at least and flow into a side only flowing into a side or only flowing out side configuration.In the position when peak rate of flow (Fig. 2 (B)), valve body 200 ' be in inoperative position, the 1st intercommunicating pore 910 and the 2nd intercommunicating pore 920 directly are communicated with by valve chest 110.Therefore, the flow of refrigeration agent is not played throttling action.
Embodiment 2
Embodiment 2 shown in Figure 6 is that the fluid inflow and outflow pipe 2b1 (inlet duct) shown in the embodiment 1 of Fig. 1 is crooked and be configured in the valve chest 110, thus make this fluid inflow and outflow pipe 2b1 as its end 2b1 ' that flows out a side be positioned at throttle orifice 224 ' top.In this embodiment 2, fluid inflow and outflow pipe separated into two parts promptly is divided into the part of swan-neck 2b2 and the part of straight tube 2b3, valve body 900 ' main body part 900 ' a on form to be communicated with the intercommunicating pore 900 ' c of two pipes.In addition, in Fig. 6, the part identical with embodiment shown in Figure 11 given identical label and omit its explanation.
In embodiment shown in Figure 62 structure, the refrigeration agent that flows into by straight tube 2b3 can by intercommunicating pore 900 ' c reliably by swan-neck 2b2 inflow throttle orifice 224 ' in, utilize porous member 226 ' a, 223 ' a, 226 ' b, 223 ' b, by effect similarly to Example 1, can further improve the effect of the mobile sound that reduces refrigeration agent.
Embodiment 3
Fluid inflow and outflow pipe 2b1 in embodiment shown in Figure 11 both can be divided into the part shown in as shown in Figure 6 the embodiment 2, can certainly be arranged to as shown in Figure 7 straight tube 2b3 that passes through intercommunicating pore 900 ' c and straight tube 2b1 ".
Embodiment 4
Below, the mortor operated valve 1 to embodiment 4 describes with reference to the accompanying drawings.Figure 14 is the sectional arrangement drawing of this mortor operated valve; Figure 15 is this mortor operated valve with respect to the valve body of the valve body position description figure when the big flow; Figure 16 is this mortor operated valve with respect to the valve body of the valve body position description figure when the small flow, when Figure 16 (A) represents more small flow, during Figure 16 (B) expression small flow.In addition, Figure 17 is the plan view of valve body, and Figure 18 is the sectional view of the B-B curve of Figure 17, when Figure 18 (A) represents more small flow, during Figure 18 (B) expression small flow; In addition, Figure 19 is the worm's eye view of valve body.Particularly, be used under the cooling/heating circuit situation, Figure 15 represents to freeze, make the valve body position when warm, the valve body position of Figure 16 (A) expression dehumidifying operation 1, and the valve body position of Figure 16 (B) expression dehumidifying operation 2.In addition, in Figure 14-Figure 19, for giving identical label and omit its explanation to the identical part of embodiment 3 with the embodiment 1 of Fig. 1-shown in Figure 7.
Embodiment 4 not the valve body 200 shown in the diagram ' in interconnecting part 200 ' b is set, be intermediate portion 200 ' a shown in Figure 17 the bottom (with valve body 900 ' sliding contact surface one side of parts upper surface 900 ' b) non-notch, its structure be for valve body 900 ' the 1st intercommunicating pore 910, can be selectively with valve body 200 ' set positions be only with a throttle orifice formation portion 225 " state that the hole of a is communicated with (Figure 16 (A) and Figure 18 (A)) and while and two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 " in the state that the hole of b is communicated with (Figure 16 (B) and Figure 18 (B)) any one.
Therefore, except with other embodiment similarly because the rotation of stepper motor rotates to an angle running shaft 800 and since this rotation make the drive portion 810 that is fixed on the running shaft 800 rotates, in embodiment 4, also the angle of swing of drive portion 810 is subdivided into two stages of state of state and Figure 16 (B) of Figure 16 (A).In addition, utilize the rotation of drive portion 810, utilize the function and other embodiment's no change part that make valve body 200 ' on positive and negative direction, rotate downwards at the upright thrust piece 810a that is provided with in the bottom of drive portion 810.
Therefore, in freeze cycle, when cooling and heating, as shown in figure 15, with respect to this valve body 900 ', valve body 200 ' the position set (this point identical) with embodiment 1.
Secondly, in dehumidifying operation 1 (for example, at ventilation load is low-level, under the little situation of refrigerant flow) in, utilize the rotation of drive portion 810, valve body 200 ' reach the position shown in Figure 16 (A), shown in Figure 18 (A), be communicated with a of a throttle orifice formation portion 225 " throttle orifice 224 of a ", realize the dehumidifying operation 1 of small flow refrigeration agent.Promptly, in the little dehumidifying operation 1 of refrigerant flow, shown in Figure 16 (A) and Figure 18 (A), intermediate portion 200 ' a and valve body 200 ' be in sliding contact state, because between is very close to each other, only " refrigeration agent of a is communicated with the 1st runner 2a by the 1st intercommunicating pore 910 refrigeration agent that flows into from straight tube 2b3 by a throttle orifice 224 through intercommunicating pore 900 ' c, porous member 226 ' a.
Again secondly, in dehumidifying operation 2 (for example, at ventilation load is high level, under the big situation of refrigerant flow), utilize the rotation of drive portion 810, valve body 200 ' reach the position shown in Figure 16 (B), shown in Figure 18 (B), be communicated with throttle orifice 224 ' a and the throttle orifice 224 ' b of the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 ", realize the dehumidifying operation 2 of big flow refrigeration agent.That is, refrigerant flow is that the refrigeration agents of dehumidifying operation 2 by two throttle orifice 224 ' a and throttle orifice 224 ' b of big flow are communicated with the 1st runner 2A.
Adopt the mortor operated valve of present embodiment 4, in refrigeration cycle, when in running order, the dehumidifying operation can be set at strong and weak two stages.
Embodiment 5
Below, according to Figure 20 and Figure 21 embodiment 5 mortor operated valve is illustrated.Figure 20 is the sectional view of the B-B curve of Figure 17, when Figure 20 (A) represents more rill, during Figure 20 (B) expression small flow.In addition, Figure 21 is the plan view of valve body.In addition, among Figure 20 and Figure 21, the part identical with Figure 18 and embodiment shown in Figure 19 4 gives identical label, and its explanation is omitted.In addition, for embodiment 5 Figure 20 and part component part in addition shown in Figure 21, since identical with embodiment 4, its diagram omitted.
Embodiment 5 is with embodiment's 4 dissimilarities, two kinds of connected states of embodiment 4, promptly, for valve body 900 ' the 1st intercommunicating pore 910, by valve body 200 ' on form notch part 200 ' make valve body 200 ' position realize having only a throttle orifice formation portion 225 " state that throttle orifice 224 ' a of a is communicated with it, or the state that is communicated with it of throttle orifice 224 ' a of the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 " and throttle orifice 224 ' b while.
Therefore, as Figure 20 and shown in Figure 21, in the bottom of the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 " (with valve body 900 ' surface of contact one side) on the wall on the same line at rotating locus, make the horizontal section of above-mentioned notch part 200 ' c form mamillary symmetrically.
And, shown in Figure 20 (A), when overlapping when being communicated with the 1st intercommunicating pore 910 one of among these two notch part 200 ' c, then overlap a throttle orifice formation portion 225 on one side " a and 910 connections of the 1st intercommunicating pore.
In addition, shown in Figure 20 (B), when two notch part 200 ' c were communicated with 910 coincidences of the 1st intercommunicating pore, then the b of two throttle orifice formation portions 225 " a and throttle orifice formation portion 225 " was communicated with the 1st intercommunicating pore 910.
Can see that by above explanation the mortor operated valve of the present invention of Gou Chenging can be realized miniaturization by making it have porous member in each throttle orifice formation portion like this, can improve the duty factor, and, can further reduce refrigeration agent by the time noise.In addition, in refrigeration cycle, the dehumidifying operation can be set at strong and weak two stages.
Claims (9)
1. mortor operated valve, have the valve body that utilizes in the valve chest and adjust the valve body that passes through flow of fluid, the rotor that is fixed on this valve body, above-mentioned valve body is moved is loaded on cover wherein and cooperates and rotate the stator of the above-mentioned rotor of driving with the periphery of this cover, it is characterized in that:
Valve body is made of disc-shaped part, when the periphery of the central part of this disc-shaped part has the 1st intercommunicating pore and the 2nd intercommunicating pore, disc-shaped part dispose can be at following two valve bodies that move the position by cover one side, these two positions are: optionally seal the position that the position of one of the 1st intercommunicating pore and the 2nd intercommunicating pore and the 1st intercommunicating pore and the 2nd intercommunicating pore are not all sealed by rotation;
With the opposite side of valve body one side that has disposed above-mentioned valve body the 1st runner and the 2nd runner that is communicated with above-mentioned each intercommunicating pore is being installed;
On above-mentioned valve body, form side by side in a plurality of throttle orifice formation portions that have a throttle orifice, fluid at least in above-mentioned each throttle orifice formation portion flows into a side, in above-mentioned each throttle orifice formation portion, dispose porous member, make fluid flow out side interflow by above-mentioned porous member.
2. mortor operated valve according to claim 1 is characterized in that: draw on than the high position of above-mentioned porous member the outflow end of above-mentioned fluid inflow and outflow pipe.
3. mortor operated valve according to claim 1 and 2 is characterized in that: above-mentioned fluid inflow and outflow pipe separately is connected with above-mentioned valve body.
4. mortor operated valve according to claim 1 and 2 is characterized in that: above-mentioned porous member is configured in the both sides of above-mentioned throttle orifice.
5. mortor operated valve according to claim 3 is characterized in that: above-mentioned porous member is configured in the both sides of above-mentioned throttle orifice.
6. mortor operated valve according to claim 4 is characterized in that: the valve body actuator rotation that above-mentioned valve body utilization and this valve body are made of one.
7. mortor operated valve according to claim 5 is characterized in that: the valve body actuator rotation that above-mentioned valve body utilization and this valve body are made of one.
8. mortor operated valve according to claim 1, it is characterized in that, its structure is: set 2 the throttle orifice formation portions of putting on above-mentioned valve body, can set the position of valve body selectively, the state that the throttle orifice of state that the throttle orifice of a throttle orifice formation portion is communicated with the 1st intercommunicating pore of valve body or two throttle orifice formation portions is communicated with the 1st intercommunicating pore of valve body simultaneously.
9. mortor operated valve according to claim 8 is characterized in that: implement above-mentioned two kinds of connected states by means of the notch part that is formed on the valve body.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002285727 | 2002-09-30 | ||
| JP2002285727 | 2002-09-30 | ||
| JP2003139922 | 2003-05-19 | ||
| JP2003139922A JP2004177105A (en) | 2002-09-30 | 2003-05-19 | Motor-operated valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1493805A CN1493805A (en) | 2004-05-05 |
| CN100487289C true CN100487289C (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031600719A Expired - Fee Related CN100487289C (en) | 2002-09-30 | 2003-09-26 | Electric valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004177105A (en) |
| CN (1) | CN100487289C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4205901B2 (en) * | 2002-06-25 | 2009-01-07 | 株式会社不二工機 | Electric switching valve |
| CN100360843C (en) * | 2004-11-10 | 2008-01-09 | 陆粉干 | Multi-inlet and single outlet rotary fluid distributing apparatus |
| CN101535696B (en) * | 2006-11-08 | 2011-11-30 | 西门子工业公司 | Rotary valve |
| CN102052502B (en) * | 2009-11-06 | 2013-06-05 | 浙江三花股份有限公司 | Solenoid valve |
| JP5611699B2 (en) * | 2010-07-28 | 2014-10-22 | 株式会社不二工機 | Multi-way selector valve |
| CN102538319B (en) * | 2012-02-28 | 2014-04-30 | 浙江三花股份有限公司 | Bidirectional throttling electronic expansion valve |
| CN103075540A (en) * | 2013-01-04 | 2013-05-01 | 宁波爱姆优东海精工电器有限公司 | Cool air output flow-rate adjusting structure of electric switching valve |
| JP6591478B2 (en) * | 2017-04-18 | 2019-10-16 | 株式会社不二工機 | Control valve and manufacturing method thereof |
| CN110005832A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110005854A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110005833A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| US10527192B2 (en) | 2018-02-15 | 2020-01-07 | Talis Biomedical Corporation | Rotary valve |
| US10820847B1 (en) | 2019-08-15 | 2020-11-03 | Talis Biomedical Corporation | Diagnostic system |
| JP6751954B2 (en) * | 2019-09-18 | 2020-09-09 | 株式会社不二工機 | Control valve |
| CN111207229B (en) * | 2019-12-30 | 2022-05-20 | 武昌船舶重工集团有限公司 | Balance regulating valve for upward floating of underwater vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152176U (en) * | 1988-04-12 | 1989-10-20 | ||
| JP3552438B2 (en) * | 1996-02-05 | 2004-08-11 | 株式会社デンソー | Flow control device |
| JP3712355B2 (en) * | 2000-09-25 | 2005-11-02 | 三菱電機株式会社 | Refrigeration cycle equipment |
| JP4633943B2 (en) * | 2001-01-11 | 2011-02-16 | 株式会社不二工機 | Electric switching valve |
| JP2002257438A (en) * | 2001-03-01 | 2002-09-11 | Saginomiya Seisakusho Inc | Motor operated flow rate control valve |
| JP4103363B2 (en) * | 2001-09-18 | 2008-06-18 | 三菱電機株式会社 | Flow control device, refrigeration cycle device, and air conditioner |
-
2003
- 2003-05-19 JP JP2003139922A patent/JP2004177105A/en active Pending
- 2003-09-26 CN CNB031600719A patent/CN100487289C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP2004177105A (en) | 2004-06-24 |
| CN1493805A (en) | 2004-05-05 |
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