CN1948795B - Electric motor operated valve - Google Patents
Electric motor operated valve Download PDFInfo
- Publication number
- CN1948795B CN1948795B CN2006101359040A CN200610135904A CN1948795B CN 1948795 B CN1948795 B CN 1948795B CN 2006101359040 A CN2006101359040 A CN 2006101359040A CN 200610135904 A CN200610135904 A CN 200610135904A CN 1948795 B CN1948795 B CN 1948795B
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- CN
- China
- Prior art keywords
- pipe
- motor
- valve
- throttling arrangement
- driven valve
- 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.)
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Classifications
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
- F16K47/14—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths the throttling member being a perforated membrane
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Details Of Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Lift Valve (AREA)
Abstract
An electric motor operated valve has a cylindrical form noumenon (10) disposed with a valve housing (20). In the valve housing (20) a pair of pipes (50, 52) are inserted in an orthogonal direction and fixed through the joint means such as soldering. A perforated sheet member (a punching plate) (100) composes a restrictor means (S1) has a cylinder part (120), and a bottom (130) provided with a multiplicity of small holes (150) exercising a restrictor function and a bubble fragmenting function. A flange part (110) is formed on an upper end of the cylinder part (120), the flange part (110) is held between a tip of a pipe (50) and a body (10), and the restrictor means (S1) is attached by fixing the pipe (50). A restrictor means (S2) is also provided on an attachment part of a pipe (52). In the restrictor means (S2), an extension part (41) intruding into an inner diameter side of the pipe (52) is formed integrally with the body (10), and a hole (42) for carrying out restrictor action is provided in the extension part. The restrictor means (S1, S2) are attached to attachment parts of the pipes (50, 52), and its composition is simple, but the refrigerant passing sound caused by bubbles in the refrigerant is effectively reduced even when the refrigerant is flowing in either normal or reverse direction.
Description
Technical field
The present invention relates to a kind of motor-driven valve that the flow of cold-producing medium is carried out the continuous control from the full cut-off to the standard-sized sheet that in cold-producing medium circulation etc., uses.
Background technology
The motor-driven valve that the flow of cold-producing medium is controlled sends the sound that flows during through valve chamber at cold-producing medium.Inflow is equipped with the 2 phase stream modes of sneaking into vapor phase refrigerant in the cold-producing medium generation liquid phase refrigerant in the valve chamber of valve body.If in vapor phase refrigerant, there is an air pocket, strike note can take place through time in the valve chamber, become the reason of noise.In order to reduce this cold-producing medium, various ways and motion (for example, patent document 1-3) had been done through sound in the past.
Patent document 1: TOHKEMY 2001-289538 communique
Patent document 2: TOHKEMY 2003-097754 communique
Patent document 3: TOHKEMY 2005-055119 communique
But the motor-driven valve of known configurations was owing to structure complicated is caused expensive in the past.And, though there is the cold-producing medium can again can be to the occasion that flows in the other direction to positive direction, in the motor-driven valve of known configurations in the past, even do not exist the occasion that cold-producing medium flows to positive and negative any direction also can reduce the structure of cold-producing medium effectively through sound.
Summary of the invention
The objective of the invention is, even provide cold-producing medium also can effectively reduce the motor-driven valve of cold-producing medium through sound to the occasion that positive and negative any direction flows with low cost.
In order to achieve the above object, motor-driven valve of the present invention comprises: have valve chamber and the body of formed throttle orifice on the axis direction of valve chamber; Relatively be configured in the valve body of valve chamber movably with said throttle orifice; The electric device that makes valve body and throttle orifice contact, separate; With the 1 pair of pipe that is provided with the said relatively body of mutually orthogonal direction; Simultaneously with respect to the upstream side of throttle orifice and valve body and the both direction in downstream; Dispose throttling arrangement with regulation aperture opening ratio; At least one side of this throttling arrangement is porose thin-plate element, and this porose thin-plate element forms the cup-shaped with cylindrical portion and bottom, on said bottom, has a plurality of holes; And the upper end in said cylindrical portion is formed with flange part, this flange part be clamped in the peristome of said body and the top ends of the said pipe that is connected with this body between.
This throttling arrangement preferably is set on the installation portion for body of pipe.
The aperture opening ratio of throttling arrangement preferably is set at the 10-35% with respect to the ips area.
And the aperture area of throttling arrangement is set at 1.2-2.4 times of throttle orifice aperture area.
At least one side of throttling arrangement preferably prolongs integratedly from valve body with the form of the internal side diameter that gets into pipe and formation.
As this porose thin-plate element is to be advisable through the punch metal goods of punching punch process formation aperture.And this porose thin-plate element also can be fixed through punch process or the rolling and processing that pipe is implemented.
The above structure that is possessed according to the present invention also can reduce the motor-driven valve that the cold-producing medium that is caused by bubble passes through sound even can provide at low cost at cold-producing medium to the mobile occasion of positive and negative any direction effectively.
Description of drawings
Fig. 1 is the cutaway view of the major part of the preferable example of motor-driven valve of the present invention.
Fig. 2 is the cutaway view of major part of the motor-driven valve of another example of the present invention.
Fig. 3 is the key diagram of the various hole shapes of expression throttling arrangement S1.
The specific embodiment
The motor-driven valve of the 1st embodiment shown in Figure 1 has the body 10 of drum, is provided with valve chamber 20.Valve chamber 20 is located at cold-producing medium the 1st path 30 on body 10 axis and cold-producing medium the 2nd path 40 that is located on body 10 radial directions and is arranged on the direction of mutually orthogonal relatively.Then, at the peristome 11,12 that communicates with the 1st path 30 and the 2nd path 40 of body 10, insert the top that pipe arrangement connects the vertical tube 50 and the transverse tube 52 of usefulness, and fix through engagement means W1 such as solderings.
The 1st path 30 is communicated with valve chamber 20 through throttle orifice 32, is formed with valve seat 34 in valve chamber 20 sides of throttle orifice 32.The 2nd path 40 also is communicated with valve chamber 20 through hole 42.The diameter dimension in hole 42 is according to the capacity decision of motor-driven valve.
The valve body 80 that inserts valve chamber 20 is connected with valve shaft 60, and valve shaft 60 is driven to above-below direction through not shown motor, mechanical reduction gear, screw mechanism etc.
Through the knee-action of valve body 80, the needle-like portion 82 on top and the flow path area between the valve seat 34 change, and the refrigerant flow that passes through is controlled.
In the outside of valve shaft 60 bellows 70 is installed, prevents that cold-producing medium from getting into motor side.
Flow into the cold-producing medium of motor-driven valve, in liquid phase refrigerant, sneak into vapor phase refrigerant sometimes as foam.This gas-liquid mixed refrigerant becomes the reason of noise through motor-driven valve the time.The main cause of noise distinguishes that the existence of the existence for the vapor phase refrigerant foam, particularly macrofoam becomes problem.
Motor-driven valve of the present invention; For even cold-producing medium passes through sound to the mobile cold-producing medium that is caused by bubble that also can effectively reduce of positive and negative any direction; And reaching upstream side and downstream two directions that contact the valve body 80 that leaves therewith relatively for throttle orifice 32; The installation portion position for body 80 at pipe 50,52 disposes the throttling arrangement S1 with regulation aperture opening ratio, S2.
Constitute the porose thin-plate element (punched-plate) the 100th of throttling arrangement S1, form, in the present embodiment, form cup-shaped (tubular), be formed with flange part 110 in the upper end of cylindrical portion 120 with cylindrical portion 120 and bottom 130 through throttling punching punch process.This flange part 110 sandwiches between the peristome 11 of the top ends of pipe 50 and body 10, pipe 50 is fixed, thereby porose thin-plate element 100 is installed.In the bottom 130 of thin-plate element 100, be provided with a plurality of apertures 150 that become the throttling of cold-producing medium path through the punching punch process.Thin-plate element 100 with aperture 150 relies on this structures and has the function of carrying out sectionalization to the rectification function of the cold-producing medium through this structure and throttling function and to the bubble in the cold-producing medium of two-phase flow state concurrently.
Another throttling arrangement S2 is located on the installation portion of transverse tube 52.That is, the extension 41 that gets into pipe 52 internal side diameters is integral with body 10, divides the hole 42 that has been formed with throttling action through this extension 41.This throttling arrangement S2 is that throttle orifice 42 has the function of carrying out sectionalization to the throttling function of the cold-producing medium through this hole with to the bubble in the cold-producing medium of two-phase flow state concurrently.
The aperture opening ratio of throttling means S1, S2 is that 10-35% is suitable with respect to the ips area; So that at cold-producing medium when positive and negative any direction flows; When promptly no matter cold-producing medium is from pipe 50 side inflows, still on the contrary from pipe 52 side inflows, can both reduce cold-producing medium effectively through sound.
And; Throttling arrangement S1, the aperture opening ratio of S2 be with respect to throttle orifice 32 1.2-2.4 scope doubly preferably, so as at cold-producing medium when positive and negative any direction flows; When promptly no matter cold-producing medium is from pipe 50 side inflows, still on the contrary from pipe 52 side inflows, can both reduce cold-producing medium effectively through sound.
Fig. 2 is the cutaway view of the motor-driven valve major part of the 2nd embodiment of the present invention.For have with Fig. 1 in the parts of the motor-driven valve same structure explained put on identical symbol and omit explanation.
The porose thin-plate element 100A that in the motor-driven valve of present embodiment, is equipped with is the cup-shaped with cylindrical portion 120 and bottom 130, does not possess flange part.This thin-plate element 100A inserts pipe 50, is fixed through punch process or rolling and processing K1.
The porose thin-plate element 100 of above-mentioned the 1st embodiment and the 2nd embodiment, 100A form the cup-shaped (tubular) of carrying out pull and stretch processing, even but the simple tabular of not carrying out pull and stretch processing also plays equal action effect.
Fig. 3 (a)-(f) expression is as all forms of the porose thin-plate element of throttling arrangement S1.
Thin-plate element 100a is configured to homodisperse example with a plurality of aperture 150a.
Thin-plate element 100b is the example as the single hole 150b that is made up of radial slit.
Thin-plate element 100c is the example that is configured in the big footpath hole 150c1 that is positioned at the center with around it after a plurality of paths hole 150c2 on concentric circles makes up.
Thin-plate element 100d be with the hole 150d concentric circles of a plurality of semicircle shapes be configured near the example the peripheral part.
Thin-plate element 100e is to wait central angle to dispose the example of the hole 150e of 3 middle degree.
Thin-plate element 100f is the example that relatively disposes 2 hole 150f.
As size
number
shape in the hole of the thin-plate element of throttling arrangement S1, suitably be set in the condition and range of above-mentioned aperture opening ratio according to the operating condition that uses motor-driven valve and environment for use.
Employing has the motor-driven valve of the present invention of above this structure; The throttling arrangement S1 of cold-producing medium during from pipe 50 inflow pipes 52; The throttling arrangement S2 of cold-producing medium when pipe 52 flows into pipes 50 function having brought into play the rectification function, throttling function of the cold-producing medium that passes through with the two-phase flow state, the bubble the cold-producing medium of two-phase flow state carried out sectionalization on the contrary; As long as append simple structure; Even when positive and negative any direction flows, the cold-producing medium that is caused by bubble is lowered through sound at cold-producing medium.
Claims (7)
1. motor-driven valve comprises:
Has valve chamber and the body of formed throttle orifice on the axis direction of valve chamber;
Relatively be configured in the valve body of valve chamber movably with said throttle orifice;
The electric device that makes said valve body and said throttle orifice contact, separate; With
1 pair of pipe so that the said relatively body of mutually orthogonal direction is provided with is characterized in that,
With respect to the upstream side of said throttle orifice and said valve body and the both direction in downstream; Dispose throttling arrangement with regulation aperture opening ratio; At least one side of this throttling arrangement is porose thin-plate element, and this porose thin-plate element forms the cup-shaped with cylindrical portion and bottom, on said bottom, has a plurality of holes; And the upper end in said cylindrical portion is formed with flange part, this flange part be clamped in the peristome of said body and the top ends of the said pipe that is connected with this body between.
2. motor-driven valve as claimed in claim 1 is characterized in that, said throttling arrangement is set on the installation portion for said body of said pipe.
3. according to claim 1 or claim 2 motor-driven valve is characterized in that the aperture opening ratio of said throttling arrangement is set at the 10-35% with respect to the ips area.
4. according to claim 1 or claim 2 motor-driven valve is characterized in that, the aperture area of said throttling arrangement be set at said throttle orifice aperture area 1.2-2.4 doubly.
5. motor-driven valve as claimed in claim 1 is characterized in that, at least one side of said throttling arrangement prolongs integratedly from said body with the form of the internal side diameter that gets into said pipe and formation.
6. motor-driven valve as claimed in claim 1 is characterized in that, said porose thin-plate element is the punch metal goods that form aperture through the punching punch process.
7. motor-driven valve as claimed in claim 1 is characterized in that, said porose thin-plate element is fixed through punch process or the rolling and processing that pipe is implemented.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-299654 | 2005-10-14 | ||
| JP2005299654 | 2005-10-14 | ||
| JP2005299654A JP4925638B2 (en) | 2005-10-14 | 2005-10-14 | Motorized valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948795A CN1948795A (en) | 2007-04-18 |
| CN1948795B true CN1948795B (en) | 2012-03-07 |
Family
ID=38018382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101359040A Active CN1948795B (en) | 2005-10-14 | 2006-10-10 | Electric motor operated valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4925638B2 (en) |
| KR (1) | KR101294381B1 (en) |
| CN (1) | CN1948795B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012047393A (en) * | 2010-08-26 | 2012-03-08 | Fuji Koki Corp | Expansion valve |
| JP5563940B2 (en) * | 2010-09-24 | 2014-07-30 | ダイキン工業株式会社 | Expansion valve |
| JP5535098B2 (en) * | 2011-01-25 | 2014-07-02 | 三菱電機株式会社 | Refrigeration cycle equipment |
| WO2015063854A1 (en) | 2013-10-29 | 2015-05-07 | 三菱電機株式会社 | Expansion valve |
| JP6329770B2 (en) * | 2014-01-16 | 2018-05-23 | 株式会社不二工機 | Electrically driven valve |
| JP6581843B2 (en) * | 2015-08-24 | 2019-09-25 | 株式会社ケーヒン・サーマル・テクノロジー | Air conditioner |
| CN114576886B (en) * | 2017-06-15 | 2024-02-09 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| JP6587017B2 (en) * | 2017-07-20 | 2019-10-09 | ダイキン工業株式会社 | air conditioner |
| DE102017213341A1 (en) * | 2017-08-02 | 2019-02-07 | Robert Bosch Gmbh | Throttle for a hydraulic or pneumatic valve and / or for a hydraulic or pneumatic unit |
| JP6938401B2 (en) * | 2018-02-21 | 2021-09-22 | 株式会社鷺宮製作所 | Flow control valve and refrigeration cycle system |
| JP7029169B2 (en) | 2018-07-25 | 2022-03-03 | 株式会社不二工機 | Solenoid valve |
| DE202019101264U1 (en) * | 2019-03-06 | 2020-06-09 | Neoperl Gmbh | Valve arrangement |
| JP2020143768A (en) * | 2019-03-08 | 2020-09-10 | 株式会社不二工機 | Flow rate regulating valve |
| JP6964888B2 (en) * | 2019-03-08 | 2021-11-10 | 株式会社不二工機 | Flow control valve and its assembly method |
| CN210372281U (en) * | 2019-06-13 | 2020-04-21 | 浙江盾安禾田金属有限公司 | Valve silencer and electronic expansion valve thereof |
| CN211059467U (en) * | 2019-06-13 | 2020-07-21 | 浙江盾安禾田金属有限公司 | Valve silencer and electronic expansion valve thereof |
| JP2021021408A (en) * | 2019-07-25 | 2021-02-18 | 株式会社ノーリツ | Flow regulating valve |
| CN110513532A (en) * | 2019-08-15 | 2019-11-29 | 浙江盾安禾田金属有限公司 | Valve muffler and electric expansion valve with the valve muffler |
| JP7349963B2 (en) * | 2020-07-01 | 2023-09-25 | 株式会社鷺宮製作所 | Flow control valve and refrigeration cycle system |
| JP7349415B2 (en) * | 2020-07-09 | 2023-09-22 | 株式会社鷺宮製作所 | Two-stage electric valve and refrigeration cycle system |
| CN220103394U (en) * | 2022-06-20 | 2023-11-28 | 浙江盾安人工环境股份有限公司 | Silencing assembly, expansion valve and air conditioning system |
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- 2006-10-10 CN CN2006101359040A patent/CN1948795B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20070041314A (en) | 2007-04-18 |
| JP2007107623A (en) | 2007-04-26 |
| JP4925638B2 (en) | 2012-05-09 |
| CN1948795A (en) | 2007-04-18 |
| KR101294381B1 (en) | 2013-08-08 |
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