CN101358654B - Electrovalve, air conditioner and throttling device for electrovalve - Google Patents

Electrovalve, air conditioner and throttling device for electrovalve Download PDF

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Publication number
CN101358654B
CN101358654B CN2007101198861A CN200710119886A CN101358654B CN 101358654 B CN101358654 B CN 101358654B CN 2007101198861 A CN2007101198861 A CN 2007101198861A CN 200710119886 A CN200710119886 A CN 200710119886A CN 101358654 B CN101358654 B CN 101358654B
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silencer
cylinder
circular groove
external diameter
solenoid valve
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CN101358654A (en
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陈雨忠
严卫林
任卫东
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Zhejiang Sanhua Intelligent Controls Co Ltd
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Zhejiang Sanhua Co Ltd
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Abstract

The invention provides a solenoid pilot actuated valve, an air conditioner and a throttle device used for the solenoid pilot actuated valve; wherein, the solenoid pilot actuated valve includes the throttle device (13) which is arranged in the valve chamber (101) of a valve body (10) and is arranged between an inlet pipe and an outlet pipe formed on the valve body (10); the throttle device (13) is provided with an upper cylinder (131) and a lower cylinder (132) provided with a silencer(12); the inner diameter opening of the upper cylinder (131) is formed with the seal opening (1311) of the valve body; a cold medium flowing hole (1312) communicated with the silencer is formed on the wall of the upper cylinder (131); a throttle hole (1321) communicated with the inner diameter of the lower cylinder (132) from the silencer (12) is formed on the lower cylinder (132). The invention can reach a better silencing effect.

Description

Solenoid valve, air conditioner and be used for the throttling arrangement of solenoid valve
Technical field
The present invention relates to the solenoid valve technology, particularly relate to a kind of normal-open electromagnetic valve that in high-grade air-conditioning is not lowered the temperature in dehumidifying, uses.
Background technique
Normal-open electromagnetic valve is mainly used in dehumidifying and does not lower the temperature in the high-grade air-conditioning, is used for connecting two indoor evaporator.Existing a kind of solenoid valve can be with reference to Japan Patent: the spy opens 2003-222444, it discloses a kind of reversible solenoid valve, it is when the valve closed condition, the throttling that can have good quietness, concrete structure as shown in Figure 1, peripheral part at valve seat member 15 forms the annular groove 18 concentric with valve opening, and the circular flange plate 19,20 in annular groove 18 penetrates respectively and forms a plurality of intercommunicating pores 21,22.In annular groove 18, cylinder filter component 23, restrictor ring member 24, cylinder filter component 25 are installed successively along axial direction (above-below direction among the figure).Restrictor ring member 24 is used for setting circular throttling path 26 between the outer circumferential face of valve seat member 15, and throttling path 26 is paths arranged side by side with valve opening.Descend at spool match with valve seat member 15, behind the valve opening of block valve seat member 15 central parts, refrigerant will flow by throttling path 26, and its order of flowing through is: intercommunicating pore 21, cylinder filter component 23, restrictor ring member 24, cylinder filter component 25, intercommunicating pore 22.
As seen from the above description, there is following defective in the coolant throttle path of existing solenoid valve:
1) refrigerant directly arrives filter component 23 through intercommunicating pore 21, cause the refrigerant under intercommunicating pore 21 more, just refrigerant can not pass through filter component 23 uniformly, the usefulness of filter component is not given full play of, be unfavorable for the filtration of refrigerant and pass through rapidly, and, be difficult to the erasure effect that reaches good because of under the concentrated intercommunicating pore 21 of flowing through of refrigerant.
2) impurity directly arrives filter component 23 through intercommunicating pore 21, be filtered to understand after member 23 is tackled directly to block intercommunicating pore 21, so this structure is easy to be blocked by impurity.
3) coolant path is a vertical path straight up and down, and this shape is less to the retardation effect of refrigerant, can not effectively absorb the energy of refrigerant, is difficult to effectively reduce noise.
Summary of the invention
The purpose of this invention is to provide a kind of solenoid valve, air conditioner and be used for the throttling arrangement of solenoid valve, solve the technical problem of the erasure effect that prior art is difficult to reach good.
To achieve these goals, the invention provides a kind of solenoid valve, wherein, comprise throttling arrangement, described throttling arrangement is arranged in the valve chamber of valve body, and between inlet tube that forms on the valve body and outer pipe; Described throttling arrangement has the top tube and the bottom tube of silencer is installed, and forms the refrigerant ostium that is communicated to described silencer on the tube barrel of top, and the bottom tube forms the throttle orifice that is communicated with bottom tube internal diameter from silencer.
Above-mentioned solenoid valve, wherein, described top tube is a top cylinder, described bottom tube is the bottom cylinder, the external diameter of described top cylinder is greater than the external diameter of described bottom cylinder, form the space below the outside of described bottom cylinder and described top cylinder, described silencer becomes tubular to be arranged on described space.
Above-mentioned solenoid valve, wherein, described silencer is provided with the space at described relatively throttle orifice place.
In order to realize purpose of the present invention, the present invention also provides a kind of throttling arrangement that is used for solenoid valve, wherein, comprising: the cylinder of stepped cross-section, have the top cylinder of first external diameter and the bottom cylinder of second external diameter, described first external diameter is greater than described second external diameter; Barrel bore place in the upper-end surface of described top cylinder forms the valve seal mouth that can cooperate with the solenoid valve sealing head, on the upper-end surface of described top cylinder, have a plurality of refrigerant ostiums, have circular groove on the lower end surface of described top cylinder, described refrigerant ostium is communicated with described circular groove; Be provided with a plurality of throttle orifices on the barrel of described bottom cylinder, the outer tube wall of described bottom cylinder is used to be provided with annular silencer, and described ostium, circular groove, silencer, throttle orifice constitute refrigerant passage.
Above-mentioned throttling arrangement, wherein, described refrigerant ostium evenly distributes in the upper-end surface of described top cylinder, and described throttle orifice evenly distributes at the barrel of described bottom cylinder.
Above-mentioned throttling arrangement, wherein, the sectional area summation of described ostium is 2~5 times of sectional area summation of all throttle orifices.
Above-mentioned throttling arrangement, wherein, the outer side wall of described circular groove notch has an outstanding edge part, and the end face of the madial wall of described circular groove notch is a flat surface.
In order to realize purpose of the present invention, the present invention provides a kind of air conditioner again, wherein, comprises solenoid valve, and described solenoid valve comprises throttling arrangement and silencer; Described throttling arrangement comprises: the cylinder of stepped cross-section, have the top cylinder of first external diameter and the bottom cylinder of second external diameter, and described first external diameter is greater than described second external diameter; Barrel bore place in the upper-end surface of described top cylinder forms the valve seal mouth that can cooperate with the solenoid valve sealing head, on the upper-end surface of described top cylinder, have a plurality of refrigerant ostiums, have circular groove on the lower end surface of described top cylinder, described refrigerant ostium is communicated with described circular groove; The barrel of described bottom cylinder is provided with a plurality of throttle orifices; Described silencer is arranged on the outer tube wall of described bottom cylinder, and described ostium, circular groove, silencer, throttle orifice constitute refrigerant passage.
Above-mentioned air conditioner, wherein, described silencer is the porous crack parts of annular, is arranged at the below of described circular groove notch and around the outer tube wall of described bottom cylinder.
Above-mentioned air conditioner, wherein, the outer side wall of described circular groove notch has an outstanding edge part, and the end face of the madial wall of described circular groove notch is a flat surface, the described flat surface of described silencer contact, and be positioned at the inboard of described outstanding edge part.
Above-mentioned air conditioner, wherein, described silencer is provided with the annular space that prevents to stop up described throttle orifice in the position of the described throttle orifice of correspondence.
Technique effect of the present invention is:
1) the present invention is by being wholely set throttling arrangement 13 and top cylinder 131 and silencer 12, can realize the simplification of constructing being more conducive to assembling.Its result can realize solenoid valve cheaply.
2) the present invention is provided with silencer 12 cylindraceous in the space that is formed at throttling arrangement 13, is easy to carry out the installation exercise of silencer.
3) form the space that silencer is set by top cylinder 131 and bottom cylinder 132 among the present invention, can easily select the size in space.Its result, selected tubular silencer can suit.
4) formation refrigerant ostium 1312, throttle orifice 1321 are communicated with silencer among the present invention, like this, when valve body was all closed, fluid flowed into outer pipe 11 by silencer from inlet tube 9, like this, the solenoid valve of realization can be got rid of foreign matter in the fluid by silencer.
5) be provided with the space between throttle orifice 1321 and the silencer among the present invention, like this, the solenoid valve of realization can make the fluid that flows out from silencer flow into throttle orifice 1321 swimmingly.
6) refrigerant arrives circular groove through ostium, can fill the space of circular groove earlier and pass through silencer again, thereby flow through silencer uniformly rather than only concentrate on ostium under, so just the usefulness of silencer is given full play to, reach good erasure effect.
7) impurity arrives through ostium and arrives circular groove earlier, rests in the circular groove after being stoped by silencer, because circular groove has enough volumes, so can the choked flow hand-hole.
8) throttle orifice is a cross setting, and refrigerant passage just is not a vertical path straight up and down like this, but has the complications of 90 degree, and this shape is bigger to the retardation effect of refrigerant, can effectively absorb the energy of refrigerant, can effectively reduce noise.
Description of drawings
Fig. 1 is the structural drawing of the coolant path of prior art solenoid valve;
Fig. 2 a, 2b are the structural drawing of normal-open electromagnetic valve provided by the invention at the open and close state;
Fig. 3 a, 3b are the partial sectional perspective view and the plan view of solenoid valve throttling arrangement provided by the invention;
Fig. 4 is another embodiment's of a normal-open electromagnetic valve provided by the invention schematic representation;
Fig. 5 is the zoomed-in view of A part among Fig. 4;
Fig. 6 is air conditioner embodiment's a schematic representation.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 2 a, 2b is that normal-open electromagnetic valve provided by the invention is being opened, close the structural drawing of state, shown in Fig. 2 a, solenoid valve provided by the invention includes: end socket 1 (magnetic material), sleeve pipe 2 (stainless steel), core iron 3 (magnetic material), magnetism resistent ring 4 (plastics), spring 5 (stainless steel), attractor 6 (magnetic material), pad 7 (stainless steel), sealing head 8 (brass), inlet tube 9 (red copper), valve body 10 (brass), outer pipe 11 (red copper), silencer 12 (the resistive quieter material of Stainless Steel Wire or porous), throttling arrangement 13 (brass or stainless steel), coil 14.
The improvement of normal-open electromagnetic valve of the present invention is throttling arrangement 13, Fig. 3 a, 3b are the partial sectional perspective view and the plan view of solenoid valve throttling arrangement provided by the invention, as shown in the figure, throttling arrangement 13 is the cylinder of stepped cross-section, have the top cylinder 131 of first external diameter and the bottom cylinder 132 of second external diameter, described first external diameter is greater than described second external diameter; Barrel bore place in the upper-end surface of described top cylinder forms the valve seal mouth 1311 that can cooperate with the solenoid valve sealing head, on the upper-end surface of described top cylinder, have a plurality of refrigerant ostiums 1312, have circular groove 133 on the lower end surface of described top cylinder, described refrigerant ostium 1312 is communicated with described circular groove 133; The barrel of described bottom cylinder 132 is provided with a plurality of throttle orifices 1321;
Described silencer 12 is arranged on the outer tube wall of described bottom cylinder, and described ostium 1312, circular groove 133, silencer 12, throttle orifice 1321 constitute refrigerant passage.
The refrigerant ostium can be set to even distribution on the upper-end surface of described top cylinder, throttle orifice also can be set to even distribution on the barrel of described bottom cylinder, throttle orifice is 2~5, diameter is between 0.2~0.8 millimeter, and the sectional area of each ostium is greater than the summation of the sectional area of all throttle orifices.
The outer side wall of circular groove 133 notches has an outstanding edge part 1331, and the end face of the madial wall of described circular groove notch is a flat surface 1332.
Silencer 12 is the porous crack parts of annular, be arranged at the below of described circular groove notch and around the outer tube wall of described bottom cylinder, the described flat surface 1332 of silencer 12 contacts, and be positioned at the inboard (can with reference to figure 2a) of described outstanding edge part 1331.
With reference to figure 2b, solenoid valve in off position, sealing head 8 descends with after valve seal mouth 1311 matches, blocks the barrel bore of throttling arrangement 13, described ostium 1312, circular groove 133, silencer 12, throttle orifice 1321 constitute refrigerant passage, and refrigerant 30 arrives outer pipe 11 along this passage by inlet tube 9.
As from the foregoing, this refrigerant passage has following characteristics:
1) the present invention is by being wholely set throttling arrangement 13 and top cylinder 131 and silencer 12, can realize the simplification of constructing being more conducive to assembling.Its result can realize solenoid valve cheaply.
2) the present invention is provided with silencer 12 cylindraceous in the space that is formed at throttling arrangement 13, is easy to carry out the installation exercise of silencer.
3) form the space that silencer is set by top cylinder 131 and bottom cylinder 132 among the present invention, can easily select the size in space.Its result, selected tubular silencer can suit.
4) formation refrigerant ostium 1312, throttle orifice 1321 are communicated with silencer among the present invention, like this, when valve body was all closed, fluid flowed into outer pipe 11 by silencer from inlet tube 9, like this, the solenoid valve of realization can be got rid of foreign matter in the fluid by silencer.
5) throttle orifice 1321 is provided with the space in opposite directions with silencer among the present invention, and like this, the solenoid valve of realization can make the fluid that flows out from silencer flow into throttle orifice 1321 swimmingly.
6) refrigerant arrives circular groove through ostium, can fill the space of circular groove earlier and pass through silencer again, thereby flow through silencer uniformly rather than only concentrate on ostium under, so just the usefulness of silencer is given full play to, reach good erasure effect.
7) impurity arrives through ostium and arrives circular groove earlier, rests in the circular groove after being stoped by silencer, because circular groove has enough volumes, so can the choked flow hand-hole.
8) throttle orifice is a cross setting, and refrigerant passage just is not a vertical path straight up and down like this, but has the complications of 90 degree, and this shape is bigger to the retardation effect of refrigerant, can effectively absorb the energy of refrigerant, can effectively reduce noise.
Fig. 4 is another embodiment's of a normal-open electromagnetic valve provided by the invention schematic representation, Fig. 5 is the zoomed-in view of A part among Fig. 4, as shown in the figure, in this embodiment, cancel the projecting edge portion of the outer side wall of circular groove notch, increased the thickness of silencer, improved erasure effect, and, be provided with a space (annular space) 121 in the position of the close throttle orifice of silencer, prevent that silencer stops up throttle orifice in the installation process.
In addition, the present invention also carries and has been total to a kind of air conditioner that utilizes above solenoid valve, solenoid valve comprises throttling arrangement 13, described throttling arrangement 13 is arranged in the valve chamber 101 of valve body 10, and between the inlet tube 9 and outer pipe 11 that form on the valve body 10, described throttling arrangement 13 is used for opening and closing solenoid valve by attractor 6; Described throttling arrangement 13 has top cylinder 131 and the bottom cylinder 132 of silencer 12 is installed, top cylinder 131 internal diameter interruption-formings have valve seal mouth 1311, form the refrigerant ostium 1312 that is communicated to described silencer on top cylinder 131 barrels, bottom cylinder 132 forms the throttle orifice 1321 that is communicated with bottom cylinder 132 internal diameters from silencer 12.The external diameter of top cylinder 131 is greater than the external diameter of described bottom cylinder 132, forms the space below the outside of described bottom cylinder and described top cylinder, and described silencer becomes the cylindric described space that is arranged on.Described silencer 12 is provided with the space at described relatively throttle orifice 1321 places.Based on the above-mentioned advantage of refrigerant passage in the solenoid valve of the present invention, adopt the air-conditioning function of this solenoid valve effectively to reduce noise.
Air-conditioning embodiment is as shown in Figure 6: solenoid valve is contained between two indoor condensers of air-conditioning; Air conditioner is in when dehumidifying, coil electricity, closed electromagnetic valve; Indoor condenser part refrigeration, a part heats, and indoor air makes the air dewfall then by refrigerating part earlier, reaches the effect of dehumidifying; Air after the dehumidifying rises the temperature of air again by heating part, so just reaches the effect of dehumidifying and cooling.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (11)

1. a solenoid valve is characterized in that, comprises throttling arrangement (13), and described throttling arrangement (13) is arranged in the valve chamber (101) of valve body (10), and is positioned between the last inlet tube (9) and outer pipe (11) that forms of valve body (10);
Described throttling arrangement (13) has top tube (131) and the bottom tube (132) of silencer (12) is installed, form the refrigerant ostium (1312) that is communicated to described silencer on top tube (131) barrel, bottom tube (132) forms the throttle orifice (1321) that is communicated with bottom tube (132) internal diameter from silencer (12);
Described top tube is a top cylinder, and described bottom tube is the bottom cylinder, and the external diameter of described top cylinder (131) is greater than the external diameter of described bottom cylinder (132).
2. solenoid valve according to claim 1 is characterized in that, forms the space below the outside of described bottom cylinder and described top cylinder, and described silencer becomes tubular to be arranged on described space.
3. solenoid valve according to claim 2 is characterized in that, described silencer (12) locates to be provided with space (121) at described relatively throttle orifice (1321).
4. a throttling arrangement that is used for solenoid valve is characterized in that, comprising:
The cylinder of stepped cross-section has the top cylinder of first external diameter and the bottom cylinder of second external diameter, and described first external diameter is greater than described second external diameter;
Barrel bore place in the upper-end surface of described top cylinder forms the valve seal mouth that can cooperate with the solenoid valve sealing head, on the upper-end surface of described top cylinder, have a plurality of refrigerant ostiums, have circular groove on the lower end surface of described top cylinder, described refrigerant ostium is communicated with described circular groove;
Be provided with a plurality of throttle orifices on the barrel of described bottom cylinder, the outer tube wall of described bottom cylinder is used to be provided with annular silencer, and described ostium, circular groove, silencer, throttle orifice constitute refrigerant passage.
5. throttling arrangement according to claim 4 is characterized in that, described refrigerant ostium evenly distributes in the upper-end surface of described top cylinder, and described throttle orifice evenly distributes at the barrel of described bottom cylinder.
6. throttling arrangement according to claim 5 is characterized in that, the sectional area summation of described ostium is 2~5 times of sectional area summation of all throttle orifices.
7. according to claim 4,5 or 6 described throttling arrangements, it is characterized in that the outer side wall of described circular groove notch has an outstanding edge part, the end face of the madial wall of described circular groove notch is a flat surface.
8. an air conditioner is characterized in that, comprises solenoid valve, and described solenoid valve comprises throttling arrangement and silencer;
Described throttling arrangement comprises: the cylinder of stepped cross-section, have the top cylinder of first external diameter and the bottom cylinder of second external diameter, and described first external diameter is greater than described second external diameter; Barrel bore place in the upper-end surface of described top cylinder forms the valve seal mouth that can cooperate with the solenoid valve sealing head, on the upper-end surface of described top cylinder, have a plurality of refrigerant ostiums, have circular groove on the lower end surface of described top cylinder, described refrigerant ostium is communicated with described circular groove; The barrel of described bottom cylinder is provided with a plurality of throttle orifices;
Described silencer is arranged on the outer tube wall of described bottom cylinder, and described ostium, circular groove, silencer, throttle orifice constitute refrigerant passage.
9. air conditioner according to claim 8 is characterized in that, described silencer is the porous crack parts of annular, is arranged at the below of described circular groove notch and around the outer tube wall of described bottom cylinder.
10. air conditioner according to claim 8, it is characterized in that the outer side wall of described circular groove notch has an outstanding edge part, the end face of the madial wall of described circular groove notch is a flat surface, the described flat surface of described silencer contact, and be positioned at the inboard of described outstanding edge part.
11. air conditioner according to claim 9 is characterized in that, described silencer is provided with the annular space that prevents to stop up described throttle orifice in the position of the described throttle orifice of correspondence.
CN2007101198861A 2007-08-02 2007-08-02 Electrovalve, air conditioner and throttling device for electrovalve Active CN101358654B (en)

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CN101358654B true CN101358654B (en) 2011-08-03

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929562B (en) * 2009-06-26 2013-02-13 浙江三花制冷集团有限公司 Solenoid valve closed under energization state and assembly method thereof
CN101949461B (en) * 2009-07-10 2013-04-17 浙江三花制冷集团有限公司 Electromagnetic valve capable of being closed during energization and manufacturing method thereof
CN102644790B (en) * 2011-02-19 2016-03-30 浙江三花股份有限公司 A kind of solenoid valve
CN106711533B (en) * 2015-07-17 2019-08-27 浙江三花汽车零部件有限公司 Heat-exchange device
EP3839308A1 (en) 2019-12-20 2021-06-23 Siemens Schweiz AG Expansion valve

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1422375A (en) * 2001-01-31 2003-06-04 三菱电机株式会社 Refrigeratng cycle device, air conditioner, choke, and flow rate controller
JP2003222444A (en) * 2002-01-28 2003-08-08 Saginomiya Seisakusho Inc Bidirectional solenoid valve and air conditioner
CN1699803A (en) * 2004-05-19 2005-11-23 株式会社鹭宫制作所 Throttle valve device and air conditioner
CN1453532B (en) * 2002-04-25 2010-04-28 株式会社鹭宫制作所 Throttle valve and air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1422375A (en) * 2001-01-31 2003-06-04 三菱电机株式会社 Refrigeratng cycle device, air conditioner, choke, and flow rate controller
JP2003222444A (en) * 2002-01-28 2003-08-08 Saginomiya Seisakusho Inc Bidirectional solenoid valve and air conditioner
CN1453532B (en) * 2002-04-25 2010-04-28 株式会社鹭宫制作所 Throttle valve and air conditioner
CN1699803A (en) * 2004-05-19 2005-11-23 株式会社鹭宫制作所 Throttle valve device and air conditioner

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Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan

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