CN101270817A - Pin valve and refrigeration cycle device using the pin valve - Google Patents
Pin valve and refrigeration cycle device using the pin valve Download PDFInfo
- Publication number
- CN101270817A CN101270817A CNA200810080692XA CN200810080692A CN101270817A CN 101270817 A CN101270817 A CN 101270817A CN A200810080692X A CNA200810080692X A CN A200810080692XA CN 200810080692 A CN200810080692 A CN 200810080692A CN 101270817 A CN101270817 A CN 101270817A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve port
- needle
- mentioned
- port
- 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
- 238000005057 refrigeration Methods 0.000 title description 23
- 239000012530 fluid Substances 0.000 claims description 45
- 230000008014 freezing Effects 0.000 claims description 19
- 238000007710 freezing Methods 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 description 20
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
- F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
This invention provides a needle valve capable of preventing generation of high frequency noise in audible wave band. In the invention, the needle valve (1) is provided with a valve case (10) and a valve plug (30). The valve base (10) is provided with a valve port (24) forming a valve opening (12). The valve plug (30) contacts and separates from the valve port (24) in order to change the opening. A flow regulating part (33) of the valve plug (30) is sharp. In the section of a central spindle passing through the valve plug (30), if an angle formed by the flow regulating part (33) is Theta, the inner diameter of the valve opening (12) is D, the whole length of the valve opening (12) at the central spindle direction is L1, then L1/D is no less than 3.5 and no more than 5.0 under the condition that the angle Theta is more than 0 degree and less than 45 degrees.
Description
Technical field
The present invention relates to be used for freezing cycle device etc., the fluid that makes refrigeration agent etc. is by the needle-valve of inboard and the freezing cycle device with this needle-valve.
Background technique
In the various devices of the circulation of fluid that makes freezing cycle device etc., use various needle-valve (for example with reference to patent documentation 1).Needle-valve shown in the patent documentation 1 has the valve plug and the drive portion of clack box, needle-like, and this clack box is formed with the stream that the fluid that makes refrigeration agent etc. passes through in the inboard; This valve plug can freely contact on the valve seat that is arranged on clack box with leaving; This drive portion makes above-mentioned valve plug contact leave above-mentioned valve seat.
Needle-valve shown in the above-mentioned patent documentation 1 makes the rotor rotation of this drive portion, thereby makes the valve plug contact leave the valve port that is arranged on the valve seat by applying electric current to the coil of the stator of drive portion etc., the change aperture, and change the flow of above-mentioned fluid aptly.
[patent documentation 1] TOHKEMY 2006-97947 communique
Needle-valve shown in the above-mentioned patent documentation 1 is peeled off the inner edge that is flowing in valve port of the fluid that flows in being formed at the stream of clack box, from the state of inner face to peel off of valve port, that is, with the state of so-called flow-disturbing, in valve port, import the downstream of this needle-valve.Like this, in needle-valve in the past, because fluid is mobile in the valve port mouth with the state of so-called flow-disturbing, so, particularly little in aperture, that is, and under the approaching state of valve port and valve plug, when fluid flows, can produce the sound of 1kHz, i.e. high pitch to the high frequency of listened to the wave band of 20kHz in clack box.
Therefore, the purpose of this invention is to provide a kind of needle-valve of the noise that can prevent to produce the high frequency that to listen wave band especially and freezing cycle device with this needle-valve.
Summary of the invention
In order to achieve the above object, the needle-valve of first invention of the present invention has valve port and valve plug, and this valve port makes fluid pass through the inboard, and is provided with at the length direction internal diameter and is formed certain valve port; This valve plug can freely contact on above-mentioned valve port with leaving and be set up, and be formed along with the needle-like of taper near this valve port, simultaneously, leave above-mentioned valve port, variable aperture by contact, it is characterized in that, in the cross section of the axle core that connects above-mentioned valve plug, if the angle that the front end of this valve plug is formed is θ, the internal diameter of above-mentioned valve port is D, the total length of the shaft core direction of above-mentioned valve port is L1, then surpass 0 degree, and under the situation smaller or equal to 45 degree, L1/D is more than or equal to 3.5 at above-mentioned angle θ, and smaller or equal to 5.0, simultaneously, surpass 45 degree, under the situation of less than 60 degree at above-mentioned angle θ, L1/D is more than or equal to 2.0, and smaller or equal to 4.0.
The needle-valve of second invention of the present invention is in the described needle-valve of first invention, it is characterized in that, on the above-mentioned valve port opening of above-mentioned valve port and the valve seat relative with above-mentioned needle-valve, circular portion is set, this circular portion is formed from this valve seat protrudes, and internal diameter is bigger than above-mentioned valve port, simultaneously, and with the coaxial shape of this valve port.
The freezing cycle device of the 3rd invention of the present invention is characterized in that, in refrigerant circuit, first invention or the described needle-valve of second invention is arranged.
The invention effect
The needle-valve of first invention of the present invention, be that the angle θ that the front end of valve plug forms surpasses 0 degree in the pass of the total length L1 of the inside diameter D of valve port and valve port, and under the situation smaller or equal to 45 degree, be L1/D more than or equal to 3.5, and smaller or equal to 5.0 relation, and, surpass 45 degree at angle θ, under the situation of less than 60 degree, be that L1/D is more than or equal to 2.0, and smaller or equal to 4.0 relation.That is, with respect to the inside diameter D of valve port, the total length L1 of valve port form long enough, the flowing of the fluid of peeling off at the inner edge of valve port is attached the inner face at valve port once more.That is the mobile laminar flow that remains of fluid that, will be in valve port.
Therefore, owing to be the mobile laminar flow that remains with the fluid in valve port, so, can prevent the noise that the upset of flowing because of the fluid in the valve port produces, simultaneously, can prevent from fluid is imported to the downstream with the state of flow-disturbing.In view of the above, particularly can prevent in aperture for a short time, that is, under the approaching state of valve port and valve plug, when fluid flowed, the 1kHz of generation promptly, can prevent to produce high pitch to the sound of the high frequency of listened to the wave band of 20kHz.
The needle-valve of second invention of the present invention and since be on valve seat, be provided with coaxial with valve port, and the internal diameter circular portion bigger than valve port, so, be directed to the interior fluid of valve port and be imported into circular when interior, its flow once was limited.Therefore, the flow that is imported into the fluid in the valve port also is limited certainly.
Have again, the inner edge of valve port flow peel off before, fluid is at the inner edge of circular portion, it flows and is stripped from.Therefore, the upset of flowing of the fluid of peeling off at the inner edge of valve port is littler than situation about directly peeling off at the inner edge of valve port.
Therefore, because being directed to the flow of the fluid in the valve port is restricted, simultaneously, the upset of flowing of the fluid that produces at the inner edge of valve port diminishes, so, in case can make flowing once more of the fluid that becomes flow-disturbing effectively, flowing of the fluid in the valve port can be remained laminar flow effectively attached to the inner face of valve port.In view of the above, particularly can prevent in aperture for a short time, that is, under the approaching state of valve port and valve plug, when fluid flowed, the 1kHz of generation promptly, can prevent to produce high pitch effectively to the sound of the high frequency of listened to the wave band of 20kHz.
The freezing cycle device of the 3rd invention of the present invention, owing to have above-mentioned needle-valve, so, particularly can prevent in the aperture of needle-valve little, that is, and under the approaching state of valve port and valve plug, when fluid flows, the 1kHz that produces promptly, can prevent to produce high pitch to the sound of the high frequency of listened to the wave band of 20kHz.
Description of drawings
Fig. 1 is the sectional view of the needle-valve of an embodiment of the invention.
Fig. 2 is the sectional view that the main position of amplification needle-valve shown in Figure 1 is represented.
Fig. 3 is the sectional view at main position of the variation of needle-valve shown in Figure 2.
Fig. 4 is other the sectional view at main position of variation of needle-valve shown in Figure 2.
Fig. 5 is the sectional view at main position of other other variation of needle-valve shown in Figure 2.
Fig. 6 is the refrigerant circuit figure with freezing cycle device of needle-valve shown in Figure 1.
Symbol description
1 needle-valve
12 valve ports
22 valve seats
24 valve ports
30 valve plugs
33 flow adjustment parts (front end)
39 circular portions
The θ angle
The L1 total length
The D internal diameter
Embodiment
Below, with reference to Fig. 1 and Fig. 2, the needle-valve of relevant an embodiment of the invention is described.
Needle-valve 1 shown in Figure 1 for example is used for freezing cycle device, uses as so-called expansion valve, and this expansion valve makes the changes in flow rate as the refrigeration agent of fluid.
Needle-valve 1 has the metal fillings system or the plastic clack box 10 of cup-shaped as shown in Figure 1.The valve port 12 of the circular hole shape that clack box 10 has valve chamber 11, form in valve seat 22 upper sheds relative with the valve plug described later 30 of valve chamber 11, connect horizontal joint 13, the ingress ports 14 that directly are communicated with valve chamber 11, be connected lower contact 15, and the outlet port 16 that is communicated with valve chamber 11 via valve port 12.That is, clack box 10 side within it spreads all over ingress port 14, valve chamber 11, valve port 12 and outlet port 16, forms the stream that makes above-mentioned flow of refrigerant.In addition, in the upper end portion in Fig. 1 of clack box 10, valve guide element 34 cylindraceous is installed.
Top in Fig. 1 of clack box 10 is installed with cover 28 cylindraceous coaxially, and fixed support part (female threaded part) 18 is being fixed by mounting plate 17 in the top in Fig. 1 of this cover 28.On fixed support part 18, form bullport 19.Bullport 19 and valve port 12 are at concentric position, and on bullport 19, valve holder 20 cylindraceous is at shaft core direction (above-below direction), and it is chimeric slidably that promptly valve opens and closes direction.In view of the above, valve holder 20 can be moved at shaft core direction in clack box 10.
The interior week of valve holder 20 its lower ends in Fig. 1 is installed with circular downside lip spare 21, and circular last lateral lip sheet 23 is integrally formed in the interior week of the upper end among this Fig. 1.Become the braking face 25 that makes progress that is formed annulus ladder difference shape above among Fig. 1 of downside lip spare 21.In addition, in valve holder 20, form balancing orifice 105.
Be installed on the downside lip spare 21 of valve holder 20, can metallic or plastic valve plug 30 be installed with displacement at shaft core direction.Valve plug 30 forms columned needle-like, free chimeric with the opening 26 of the inboard that is formed on downside lip spare 21, promptly, for can be with respect to valve holder 20 in radial displacement, and under the state of the radial clearance that regulation is arranged, pass through, then, the bottom surface that makes the loop order ladder difference portion (shoulder) 32 that the upper end portion from Fig. 1 is provided with projectedly with engage above the downside lip spare 21, in view of the above, rotatably hung lower support by valve holder 20.
Have, valve plug 30 is supported on this valve guide element 34 along its core by in the valve guide element 34 with can move freely again.Valve plug 30 forms flow adjustment parts 33, and this flow adjustment part 33 is arranged in the downside of Fig. 1, and with valve seat 22, that is, the front end relative with valve port 24 becomes taper shape, flow adjustment part 33 is outstanding to valve port 12 from the opening 26 of the inboard of downside lip spare 21.Like this, valve plug 30 is formed, by moving freely, can freely contact and be set on the valve port 24 with leaving at shaft core direction, along with this flow adjustment part 33 near valve port 24, and become taper.
Valve plug 30 is according to the degree of entering (shaft core direction position) of flow adjustment part 33 with respect to valve port 12, carry out the quantitative flow control of refrigeration agent, by make flow adjustment part 33 and valve port 12 around valve seat 22 contact down, and become the full-shut position of closing (obturation) valve port 12.
In valve holder 20, the underpart 74 of external screw thread axle 73 of rotor shaft that becomes stepper motor 70 described later is with free chimeric status, connects the opening 27 of inboard of the last lateral lip sheet 23 of valve holder 20.Should be meant that valve holder 20 and external screw thread axle 73 can be relatively in radial displacements by free chimeric status.
In the underpart 74 of external screw thread axle 73, that is, between external screw thread axle 73 and the valve plug 30, configuration back-up ring parts 35.Back-up ring parts 35 form cylindric, certainly, are housed in the valve holder 20, and the upper end in this Fig. 1, it is integrally formed projectedly that engagement portion 75 spreads all over its full week under flange shape the hanging of double as check ring.Hang down the upper face side of engagement portion 75 in Fig. 1, clip the parts that coating has the high-slip plastics of fluororesin etc., perhaps the pad 29,31 that is made of the high-slip plastics rotatably engages with the last lateral lip sheet 23 of valve holder 20.By this engaging, valve holder 20 is rotatably hung lower support by external screw thread axle 73.
Between the loop order of engagement portion 75 under the hanging that is arranged on the back-up ring parts 35 and valve plug 30 ladder difference portion (shoulder) 32, the collapse coil spring 36 that has passed through back-up ring parts 35 is installed in the inboard with the state of the preparation load that applies regulation.
On the outer circumferential face of external screw thread axle 73, form outer screw section 37.Outer screw section 37 carries out screw thread with female thread portion (female threaded hole) 38 on being formed on fixed support part 18 and engages.By this screw thread engaging, external screw thread axle 73 is accompanied by rotation, and to shaft core direction, that is, valve opens and closes direction and moves.Screw thread engaging by this outer screw section 37 and female thread portion 38 constitutes the feeding thread mechanism, and the feeding thread mechanism makes the rotation motion of external screw thread axle 73 be changed to the straight line motion that valve opens and closes direction.
Top in Fig. 1 of cover 28, the rotor casing 71 of the jar shape of stepper motor 70 waits by welding and is fixed airtightly.In rotor casing 71, can be provided with rotatably by the yoke 72 of magnetic before many plates at outer circumferential surface section 72A.Central part on yoke 72 among Fig. 1 of the external screw thread axle 73 of fixedly connected double as yoke axle.
In the outside of rotor casing 71, insert stator coil unit 77 is installed.Going out its details though stator coil unit 77 is not shown, as the parts that stepper motor is used, is the parts that have the known airtight mold structure of magnetic pole tooth, winding portion, electric wiring part in inside.
In rotor casing 71, have the peripheral part that hangs down from the box top of rotor casing 71 guide support tube 78 fixing, is installed in guide support tube 78 spiral guide line body 79, be formed on the fixedly braking part 80 of the upper end portion of guide support tube 78, the movable brake member 81 that screws with spiral guide line body 79, engage with movable brake member 81, break through jut 82 around its yoke 72, by them, constitute the brake component that valve leaves or valve closes.In addition, guide support tube 78 makes the upper end portion 76 among Fig. 1 of external screw thread axle 73 run through inboard, and this external screw thread axle 73 is freely supported in rotation.
Move to the decline that valve opens and closes the below among Fig. 1 of direction by valve plug 30, the effective vent area of valve port 12 reduces gradually, and is corresponding therewith, and the flow of the fluid that flows at valve port 12 reduces gradually.If valve plug 30 opens and closes the direction mobile established amount that descends at valve, then following of flow adjustment part 33 contacts of valve plug 30 in view of the above, become the full-gear of valve port 12 quilt obturations on valve seat 22.
In addition, in the needle-valve 1 of present embodiment, as shown in Figure 2, if on the cross section of the axle core that runs through valve plug 30, make the flow adjustment part 33 of this valve plug 30, that is, the angle that the outer circumferential face of front end forms each other is θ, and the internal diameter of valve port 12 is D, the total length of the shaft core direction of valve port 12 is L1, then surpass under 0 degree and the situations smaller or equal to 45 degree in angle, L1/D is more than or equal to 3.5, and smaller or equal to 5.0.In illustrated example, angle θ is approximately 35 degree, and L1/D is 3.5.
Above-mentioned such needle-valve that constitutes 1 is set in the refrigerant circuit of freezing cycle device shown in Figure 6, as the expansion valve performance function of this freezing cycle device.
This freezing cycle device has compressor 101, condenser (outdoor heat converter) 102, above-mentioned needle-valve 1, the vaporizer (indoor heat converter) 104 that uses as expansion valve and a refrigerant passage 105-108 that their rings are connected as shown in Figure 6.
This freezing cycle device is used for aircondition (refrigeration), deep freezer etc.In addition, the freezing cycle device of having used this needle-valve 1 as described above is not limited to basic freezing cycle device shown in Figure 6, also can be applied in by the assembling four-way valve, make refrigeration, the aircondition that heats usefulness that the flow of refrigerant direction of refrigerant circuit reverses, two heat exchanger in series are connected indoor set, between these two heat exchangers, have in all freezing cycle devices of the aircondition that freezes, heats dehumidifying etc. of the expansion valve that appends.
According to present embodiment, be that the angle θ that the front end of valve plug 30 forms surpasses 0 degree in the relation of the total length L1 of the inside diameter D of valve port 12 and valve port 12, and under the situations smaller or equal to 45 degree, for L1/D more than or equal to 3.5, and smaller or equal to 5.0 relation.That is, with respect to the inside diameter D of valve port 12, the total length L1 of valve port 12 form long enough, be attached inner face what the inner edge of valve port 12 was peeled off once more as flowing of the refrigeration agent of fluid at valve port 12.That is, will be at the mobile laminar flow that remains of the fluid in the valve port 12.
Therefore, owing to be with the mobile laminar flow that remains valve port 12 in as the refrigeration agent of fluid, so, the noise that produces because of mobile upset can be prevented as the refrigeration agent of the fluid in the valve port 12, simultaneously, can prevent and to import to the downstream as the refrigeration agent of fluid with the state of flow-disturbing.In view of the above, particularly can prevent in aperture for a short time, that is, under the approaching state of valve port 12 and valve plug 30, during as the flow of refrigerant of fluid, the 1kHz of generation promptly, can prevent to produce high pitch to the sound of the high frequency of listened to the wave band of 20kHz.
In the above-described embodiment, surpass 0 degree at angle θ, and under the situations smaller or equal to 45 degree, L1/D is more than or equal to 3.5, and smaller or equal to 5.0.But, in the present invention, as shown in Figure 5, also can be to surpass 45 degree at above-mentioned angle θ, under the situation of less than 60 degree, L1/D is more than or equal to 2.0, and smaller or equal to 4.0.In addition, in example shown in Figure 5, angle θ is about 45 degree, and L1/D is 2.5.In this case, also the mode of execution with above-mentioned is identical, with respect to the inside diameter D of valve port 12, the total length L1 of valve port 12 form long enough, be attached inner face once more as flowing of the refrigeration agent of the fluid of peeling off at the inner edge of valve port 12, particularly can prevent to produce high noise at valve port 12.
In addition, in the present invention,, also can on the valve port 24 of clack box 10, be wholely set circular 39 as Fig. 3 and shown in Figure 4.In addition, in Fig. 3 and Fig. 4, to the part identical with above-mentioned mode of execution, the mark same-sign is omitted explanation.Form its internal diameter for circular 39 than big circular of the inside diameter D of valve port 12, and, form projectedly to valve plug 30 from valve seat 22, simultaneously, with valve port 12 arranged coaxial.In addition, in Fig. 3, the big situation of the internal diameter of external diameter than circular 39 of expression valve plug 30, Fig. 4 represents the little situation of the internal diameter of external diameter than circular 39 of valve plug 30.
In these cases, owing to be with valve port 12 coaxial and internal diameter to be set on valve seat 22 than big circular 39 of valve port 12, so when being imported in circular 39 as the refrigeration agent that is imported into the fluid in the valve port 12, its flow once also was limited.Therefore, the flow as the refrigeration agent that is imported into the fluid in the valve port 12 also is limited certainly.
Have again, the inner edge of valve port 12 flow be stripped from before, as the refrigeration agent of the fluid inner edge at circular 39, it flows and is stripped from.Therefore, the inner edge at valve port 12 is littler than situation about directly peeling off at the inner edge of valve port 12 as the upset of flowing of the refrigeration agent of the fluid of peeling off.
In view of the above, because the flow as the refrigeration agent that imports the fluid in the valve port 12 is limited, simultaneously, the upset of flowing as the refrigeration agent of fluid that produces at the inner edge of valve port 12 diminishes, so, can make effectively as in case become the flowing once more of refrigeration agent of the fluid of flow-disturbing attached to the inner face of valve port 12, can be with the mobile laminar flow that remain effectively valve port 12 in as the refrigeration agent of fluid.In view of the above, particularly can prevent in aperture for a short time, that is, under the approaching state of valve port 12 and valve plug 30, during as the flow of refrigerant of fluid, the 1kHz of generation promptly, can prevent to produce high pitch effectively to the sound of the high frequency of listened to the wave band of 20kHz.
In addition, above-mentioned mode of execution has only been represented the mode of representative of the present invention, and the present invention is not limited to mode of execution.That is, can in the scope that does not break away from purport of the present invention, implement various distortion.For example, in the above-described embodiment, represented to form the needle-valve 1 of the expansion valve that constitutes freezing cycle device.
But needle-valve 1 of the present invention also can be used to constitute the various uses of freezing cycle device device in addition.Generally speaking, needle-valve 1 of the present invention also can be controlled the flow of various fluids.In addition, needle-valve 1 of the present invention can certainly change the size of each one aptly as long as angle θ and inside diameter D and total length L1 satisfy above-mentioned relation.
Claims (3)
1. needle-valve, described needle-valve has valve port and valve plug, and this valve port makes fluid pass through the inboard, and is provided with at the length direction internal diameter and is formed certain valve port;
This valve plug can freely contact on above-mentioned valve port with leaving and be set up, and is formed along with the needle-like of taper simultaneously, is left above-mentioned valve port by contact near this valve port, variable aperture,
It is characterized in that in the cross section of the axle core that connects above-mentioned valve plug, if the angle that the front end of this valve plug is formed is θ, the internal diameter of above-mentioned valve port is D, the total length of the shaft core direction of above-mentioned valve port is L1,
Then surpass 0 degree at above-mentioned angle θ, and under the situations smaller or equal to 45 degree, L1/D is more than or equal to 3.5, and smaller or equal to 5.0, simultaneously,
Surpass 45 degree at above-mentioned angle θ, under the situation of less than 60 degree, L1/D is more than or equal to 2.0, and smaller or equal to 4.0.
2. needle-valve as claimed in claim 1 is characterized in that, on the above-mentioned valve port opening of above-mentioned valve port and the valve seat relative with above-mentioned needle-valve, circular portion is set, this circular portion be formed from this valve seat protrude and internal diameter bigger than above-mentioned valve port, simultaneously, with this valve port be coaxial shape.
3. a freezing cycle device is characterized in that, in refrigerant circuit, has claim 1 or 2 described needle-valves.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-073408 | 2007-03-20 | ||
| JP2007073408A JP2008232290A (en) | 2007-03-20 | 2007-03-20 | Needle valve, and refrigerating cycle device having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101270817A true CN101270817A (en) | 2008-09-24 |
Family
ID=39905343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810080692XA Pending CN101270817A (en) | 2007-03-20 | 2008-03-03 | Pin valve and refrigeration cycle device using the pin valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008232290A (en) |
| CN (1) | CN101270817A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185157A (en) * | 2011-12-27 | 2013-07-03 | 株式会社鹭宫制作所 | Control valve |
| CN103968620A (en) * | 2013-01-28 | 2014-08-06 | 珠海格力电器股份有限公司 | Electronic expansion valve and refrigeration device adopting same |
| CN106247061A (en) * | 2016-08-31 | 2016-12-21 | 新昌县开铭制冷配件有限公司 | A kind of adapter assembly for air conditioner refrigeration |
| CN106322861A (en) * | 2015-06-29 | 2017-01-11 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN106795981A (en) * | 2014-10-08 | 2017-05-31 | 三菱电机株式会社 | Expansion valve and the refrigerating circulatory device using expansion valve |
| CN107917276A (en) * | 2016-10-10 | 2018-04-17 | 盾安环境技术有限公司 | Electric expansion valve |
| CN108331923A (en) * | 2017-01-20 | 2018-07-27 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN108343750A (en) * | 2017-01-25 | 2018-07-31 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN108779869A (en) * | 2016-03-29 | 2018-11-09 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| JP2019132347A (en) * | 2018-01-31 | 2019-08-08 | 株式会社鷺宮製作所 | Motor-operated valve and refrigeration cycle system |
| CN110159821A (en) * | 2018-02-13 | 2019-08-23 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN110307678A (en) * | 2019-05-15 | 2019-10-08 | 中国电子科技集团公司第十一研究所 | The processing method and refrigerator of the needle-valve of refrigerator, the needle-valve of refrigerator |
| CN110686084A (en) * | 2018-07-06 | 2020-01-14 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN110836562A (en) * | 2018-08-17 | 2020-02-25 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioning system using same |
| CN111412296A (en) * | 2016-06-22 | 2020-07-14 | 株式会社鹭宫制作所 | Electric valve |
| CN112923070A (en) * | 2021-01-22 | 2021-06-08 | 浙江恒森实业集团有限公司 | Electronic expansion valve assembly with good noise reduction stability |
| CN113969993A (en) * | 2020-07-22 | 2022-01-25 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008291928A (en) * | 2007-05-25 | 2008-12-04 | Saginomiya Seisakusho Inc | Needle valve, and refrigerating cycle device having the needle valve |
| JP5342951B2 (en) * | 2009-07-23 | 2013-11-13 | 株式会社不二工機 | Motorized valve |
| JP5395775B2 (en) * | 2010-10-12 | 2014-01-22 | 株式会社鷺宮製作所 | Motorized valve |
| JP5740586B2 (en) * | 2010-11-18 | 2015-06-24 | 株式会社テージーケー | Stepping motor driven control valve |
| JP5816874B2 (en) * | 2011-03-08 | 2015-11-18 | 株式会社テージーケー | Control valve |
| JP6410421B2 (en) * | 2013-11-01 | 2018-10-24 | 株式会社不二工機 | Electrically driven valve |
| CN104197042B (en) * | 2014-08-29 | 2017-02-15 | 超达阀门集团丽水有限公司 | A kind of Heisui River angle valve |
| JP6305285B2 (en) | 2014-09-10 | 2018-04-04 | 住友重機械工業株式会社 | Pulse tube refrigerator |
| JP6508968B2 (en) * | 2015-02-20 | 2019-05-08 | 株式会社不二工機 | Motorized valve |
| JP6721175B2 (en) * | 2016-06-13 | 2020-07-08 | 株式会社不二工機 | Motorized valve |
| CN107631524A (en) * | 2016-07-18 | 2018-01-26 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN113324054B (en) * | 2016-09-30 | 2024-02-13 | 株式会社鹭宫制作所 | Electric valve |
| JP6726116B2 (en) * | 2017-01-31 | 2020-07-22 | 株式会社鷺宮製作所 | Motorized valve and refrigeration cycle system |
| CN114576886B (en) * | 2017-06-15 | 2024-02-09 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN109520184A (en) * | 2017-09-18 | 2019-03-26 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| JP6633121B2 (en) * | 2018-04-12 | 2020-01-22 | 三菱電機株式会社 | Expansion valve and refrigeration cycle device using expansion valve |
| CN110836271A (en) * | 2018-08-17 | 2020-02-25 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioning system using same |
| KR20220020402A (en) * | 2018-08-17 | 2022-02-18 | 제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드 | Electronic expansion valve |
| KR102170493B1 (en) * | 2018-11-15 | 2020-10-29 | 우리산업 주식회사 | Electronic expansion valve |
| KR102170491B1 (en) * | 2018-11-20 | 2020-10-29 | 우리산업 주식회사 | Electronic expansion valve |
| JP2022187265A (en) * | 2021-06-07 | 2022-12-19 | 株式会社不二工機 | electric valve |
| JP7422409B2 (en) * | 2021-06-10 | 2024-01-26 | 株式会社不二工機 | electric valve |
-
2007
- 2007-03-20 JP JP2007073408A patent/JP2008232290A/en active Pending
-
2008
- 2008-03-03 CN CNA200810080692XA patent/CN101270817A/en active Pending
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185157B (en) * | 2011-12-27 | 2015-10-28 | 株式会社鹭宫制作所 | Control valve |
| CN103185157A (en) * | 2011-12-27 | 2013-07-03 | 株式会社鹭宫制作所 | Control valve |
| CN103968620A (en) * | 2013-01-28 | 2014-08-06 | 珠海格力电器股份有限公司 | Electronic expansion valve and refrigeration device adopting same |
| CN103968620B (en) * | 2013-01-28 | 2016-03-23 | 珠海格力电器股份有限公司 | Electric expansion valve and there is its refrigerating plant |
| CN106795981A (en) * | 2014-10-08 | 2017-05-31 | 三菱电机株式会社 | Expansion valve and the refrigerating circulatory device using expansion valve |
| EP3205916A4 (en) * | 2014-10-08 | 2018-05-09 | Mitsubishi Electric Corporation | Expansion valve, and refrigeration cycle device using expansion valve |
| CN106322861B (en) * | 2015-06-29 | 2021-09-28 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN106322861A (en) * | 2015-06-29 | 2017-01-11 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN108779869A (en) * | 2016-03-29 | 2018-11-09 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN108779869B (en) * | 2016-03-29 | 2020-01-24 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN111412296A (en) * | 2016-06-22 | 2020-07-14 | 株式会社鹭宫制作所 | Electric valve |
| CN111412296B (en) * | 2016-06-22 | 2022-07-08 | 株式会社鹭宫制作所 | Electric valve |
| CN106247061A (en) * | 2016-08-31 | 2016-12-21 | 新昌县开铭制冷配件有限公司 | A kind of adapter assembly for air conditioner refrigeration |
| CN107917276B (en) * | 2016-10-10 | 2022-03-08 | 盾安环境技术有限公司 | Electronic expansion valve |
| CN107917276A (en) * | 2016-10-10 | 2018-04-17 | 盾安环境技术有限公司 | Electric expansion valve |
| CN108331923A (en) * | 2017-01-20 | 2018-07-27 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN108343750B (en) * | 2017-01-25 | 2020-07-24 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN108343750A (en) * | 2017-01-25 | 2018-07-31 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN114458781A (en) * | 2018-01-31 | 2022-05-10 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114458782A (en) * | 2018-01-31 | 2022-05-10 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| JP2019132347A (en) * | 2018-01-31 | 2019-08-08 | 株式会社鷺宮製作所 | Motor-operated valve and refrigeration cycle system |
| CN110159821A (en) * | 2018-02-13 | 2019-08-23 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN110686084A (en) * | 2018-07-06 | 2020-01-14 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN110836562A (en) * | 2018-08-17 | 2020-02-25 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioning system using same |
| CN110307678A (en) * | 2019-05-15 | 2019-10-08 | 中国电子科技集团公司第十一研究所 | The processing method and refrigerator of the needle-valve of refrigerator, the needle-valve of refrigerator |
| CN113969993A (en) * | 2020-07-22 | 2022-01-25 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN112923070A (en) * | 2021-01-22 | 2021-06-08 | 浙江恒森实业集团有限公司 | Electronic expansion valve assembly with good noise reduction stability |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008232290A (en) | 2008-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101270817A (en) | Pin valve and refrigeration cycle device using the pin valve | |
| CN101311588B (en) | Needle valve and refrigerating cycle device with the needle valve | |
| CN101358656B (en) | Needle valve and refrigerating cycle device with the needle valve | |
| JP4570473B2 (en) | Valve device and refrigeration cycle device | |
| CN104791536B (en) | A kind of direct-driven motor-operated valve | |
| CN103245138B (en) | Expansion valve | |
| EP2924373B1 (en) | Electrically operated valve | |
| JP2013164124A (en) | Expansion valve | |
| WO2020025048A1 (en) | Air conditioning system and electronic expansion valve thereof | |
| JP5627612B2 (en) | Expansion valve | |
| JP2019500567A (en) | Two-stage electronic expansion valve | |
| EP3064811B1 (en) | Electronic expansion valve | |
| JP2016217408A (en) | Motor valve | |
| CN207093877U (en) | Electronic expansion valve body component and electric expansion valve | |
| CN106090263B (en) | Motor-driven valve | |
| JP2013164125A (en) | Expansion valve | |
| CN104806774A (en) | Electronic expansion valve | |
| JP4476757B2 (en) | Valve device and refrigeration cycle device | |
| CN107166073A (en) | Motor-driven valve and its manufacture method | |
| CN203757116U (en) | Proportional valve | |
| CN108800680A (en) | Refrigerator refrigeration system | |
| CN104565476B (en) | Electronic expansion valve | |
| CN104879541A (en) | Proportioning valve | |
| JP2020016292A (en) | Motor-operated valve | |
| CN112413149B (en) | Electronic expansion valve and mounting method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080924 |