CN102619991A - Refrigeration system and electromagnetic valve of refrigeration system - Google Patents

Refrigeration system and electromagnetic valve of refrigeration system Download PDF

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Publication number
CN102619991A
CN102619991A CN2011100334085A CN201110033408A CN102619991A CN 102619991 A CN102619991 A CN 102619991A CN 2011100334085 A CN2011100334085 A CN 2011100334085A CN 201110033408 A CN201110033408 A CN 201110033408A CN 102619991 A CN102619991 A CN 102619991A
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China
Prior art keywords
valve
sleeve
solenoid valve
sealing head
sleeve pipe
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Pending
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CN2011100334085A
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Chinese (zh)
Inventor
严卫林
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Zhejiang Sanhua Refrigeration Group Co Ltd
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Zhejiang Sanhua Co Ltd
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Priority to CN2011100334085A priority Critical patent/CN102619991A/en
Publication of CN102619991A publication Critical patent/CN102619991A/en
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Abstract

The invention discloses an electromagnetic valve, which comprises a valve seat (1), wherein the valve seat (1) is provided with a valve cavity and a valve opening (11) communicated with the valve cavity, the valve seat (1) is also provided with a transverse interface cavity (12) and a vertical interface cavity (13), the transverse interface cavity (12) is communicated with the valve cavity, the vertical interface cavity (13) is communicated with the valve cavity through the valve opening (11), the electromagnetic valve also comprises a sealing head (2) used for opening or closing the valve opening (11), and an isolation component is arranged at the upper part of the valve cavity so that an upper cavity (14) arranged above the sealing head (2) can be isolated from the transverse interface cavity (12) when the valve opening is opened by the sealing head (2). Through the structural design of the electromagnetic valve, and the valve opening maintaining flow rate of the electromagnetic valve can be increased, so the refrigeration effect is improved. In addition, the invention also discloses a refrigeration system comprising the electromagnetic valve.

Description

Refrigeration system and solenoid valve thereof
Technical field
The present invention relates to the fluid control component technical field, particularly a kind of solenoid valve.In addition, the invention still further relates to a kind of refrigeration system that comprises this solenoid valve.
Background technique
In various types of solenoid valves, the solenoid valve of dehumidifying usefulness is mainly used in dehumidifying controllable temperature air-conditioning, is used for connecting two indoor evaporator of air-conditioning.When air conditioner refrigerating, solenoid valve is in opening state, plays connecting pipeline, and two vaporizers become one.When air conditioner dehumidification, solenoid valve is in closed condition, and a vaporizer heats, another vaporizer refrigeration, and through refrigerating evaporator, airborne water vapor condensation becomes water droplet to air earlier, again through heating vaporizer, to atmosphere temperature rising, thereby reaches the purpose of dehumidifying.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation when a kind of solenoid valve is opened in the existing technology; Fig. 2 is the structural representation during a kind of closed electromagnetic valve in the existing technology.
The solenoid valve of this existing technology comprise valve seat 1 '; Valve seat 1 ' be provided with valve pocket and valve port 1 ' 1; Valve seat 1 ' also be provided with the horizontal interface chamber 1 ' 2 and the vertical joint oral cavity 1 ' 3 that are communicated with said valve pocket, and horizontal interface chamber 1 ' 2 is connected with horizontal adapter 7 ' 1, vertical joint oral cavity 1 ' 3 is connected with vertical joint pipe 7 ' 2.As depicted in figs. 1 and 2, said solenoid valve also comprise sealing or open the sealing head 2 of valve port 1 ' 1 ', sealing 2 ' be connected with core iron parts 4 ' 2, the outside of these core iron parts 4 ' 2 be provided with sleeve pipe 5 ', sleeve pipe 5 ' the outside be provided with coil 8 '; Sleeve pipe 5 ' the upper end portion be provided with spacing end socket 6 '; Sleeve pipe 5 ' the underpart be provided with the attractor 4 ' 1 that is set in sealing head 2 ' outside; Attractor 4 ' 1 be supported in valve seat 1 ' support level 1 ' 6 on, and be provided with spring 4 ' 3 between attractor 4 ' 1 and the core iron parts 4 ' 2.
During work, when solenoid valve was switched on, core iron parts 4 ' 2 overcame the elastic force that spring 4 ' 3 makes progress under the effect of the magnetic force in coil 8 ' magnetic field, moved downward, thereby drove sealing head 2 ' close port 1 ' 1, closed electromagnetic valve; When solenoid valve cut off the power supply, the magnetic force in coil 8 ' magnetic field disappeared, core iron parts 4 ' 2 and sealing head 2 ', move upward upwards under the effect of elastic force at spring 4 ' 3, thus sealing head 2 ' unlatching valve port 1 ' 1, solenoid valve conduction.
As shown in Figure 1, when solenoid valve conduction, refrigeration agent is flowed into by horizontal adapter 7 ' 1, through horizontal interface chamber 1 ' 2, valve port 1 ' 2 and vertical joint oral cavity 1 ' 3, is finally flowed out by vertical joint pipe 7 ' 2, and horizontal interface chamber 1 ' 2 is owing to be entrance point, thereby the zone of high pressure; When the flow of refrigeration agent was big, the cavity of resorption 1 ' 5 of sealing head 2 ' below can form a low pressure area, with respect to the distance of this cavity of resorption 1 ' 5, sealing head 2 ' the epicoele 1 ' 4 of top owing to more be close to horizontal interface chamber 1 ' 2, thereby also be the zone of high pressure; To sum up can know; The epicoele 1 ' 4 of sealing head 2 ' top is the zone of high pressure, and the cavity of resorption 1 ' 5 of sealing head 2 ' below is a low pressure area, thereby can produce system's pressure reduction; This system's pressure reduction increases along with the increase of refrigerant flow; When the flow of refrigeration agent during greater than certain value (those skilled in the art are commonly referred to as this definite value and keep flow for driving valve), sealing head 2 ' close port 1 ' 1 under the effect of corresponding system pressure reduction, solenoid valve cuts out automatically.
Opening valve maintenance flow is a key technical index of dehumidifying type solenoid valve.The dehumidifying class solenoid valve of existing technology is driven valve and is kept flow-rate ratio less.With 8mm bore solenoid valve is example, drives valve and keeps flow (air test) to be roughly 23m 3/ h, when the flow of refrigeration agent continued to increase, the system pressure missionary society of sealing head 2 ' receive continued to increase, thereby causes sealing head 2 ' close port 1 ' 1.Thereby can know that dehumidifying type solenoid valve of the prior art generally is applicable to the refrigeration system of small flow, when the flow of refrigeration agent increased, solenoid valve can cut out automatically, thereby makes air-conditioning to freeze.
In view of this, how solenoid valve of the prior art being improved, open valve maintenance flow thereby increase it, improve refrigeration, is the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem that the present invention will solve is for providing a kind of solenoid valve, and the structural design of this solenoid valve can increase it and open valve maintenance flow, thereby improves refrigeration.Another technical problem that will solve of the present invention is that a kind of refrigeration system that comprises this solenoid valve is provided in addition.
For solving the problems of the technologies described above; The present invention provides a kind of solenoid valve; Comprise valve seat, the valve port that said valve seat is provided with valve pocket and is communicated with said valve pocket, said valve seat also are provided with horizontal interface chamber that is communicated with said valve pocket and the vertical joint oral cavity that is communicated with said valve pocket through said valve port; Said solenoid valve also comprises the sealing head of opening or cutting out said valve port; The top of said valve pocket is provided with isolating part, isolates the epicoele and the said horizontal interface chamber of said sealing head top when opening said valve port with the said sealing head of box lunch.
Preferably, said isolating part is a distance sleeve, and said sealing head is recycled in the said distance sleeve when opening said valve port.
Preferably, said solenoid valve also comprises is located at the outside attractor of said sealing head, and the outside of said attractor is provided with the sleeve pipe that is connected on the said valve seat; The underpart of said sleeve pipe extends further into and forms said distance sleeve in the said valve pocket.
Preferably, said sleeve pipe comprises said distance sleeve and the sleeve body portion of said attractor is set, and the two connects through the sleeve pipe bending part; Said valve seat is provided with support level, and the outside of said sleeve pipe bending part is provided with the first outer step surface that is supported on the said support level, and the inboard of said sleeve pipe bending part is provided with the first interior step surface that supports said attractor lower end surface.
Preferably, said solenoid valve also comprises is located at the outside attractor of said sealing head, and the outside of said attractor is provided with the sleeve pipe that is connected on the said valve seat; Said distance sleeve and said sleeve pipe are for dividing body structure, and said distance sleeve is connected on the said valve seat, and supports said sleeve pipe.
Preferably, said distance sleeve comprises sleeve body portion and sleeve joint, and said sealing head is recycled to when opening said valve port in the said sleeve body portion, and said sleeve joint is connected with said valve seat.
Preferably, said sleeve body portion is connected through the sleeve bending part with said sleeve joint; Said valve seat is provided with support level, and the outside of said sleeve bending part is provided with the second outer step surface that is supported on the said support level, and the inboard of said sleeve bending part is provided with the second interior step surface that supports said sleeve pipe lower end surface.
The lower end surface of said sealing head was higher than or flushes the lower end surface in said distance sleeve when preferably, said sealing head was opened said valve port.
In addition, for solving the problems of the technologies described above, the present invention also provides a kind of refrigeration system, comprises first indoor evaporator, second indoor evaporator and connects the two solenoid valve; Said solenoid valve is above-mentioned each described solenoid valve.
On the basis of existing technology, the top of the valve pocket of solenoid valve provided by the present invention is provided with isolating part, isolates the epicoele and the said horizontal interface chamber of said sealing head top when opening said valve port with the said sealing head of box lunch.Owing to be provided with isolating part between the epicoele of sealing head top and the horizontal interface chamber, thus the high-pressure liquid in horizontal interface chamber be difficult to get into the epicoele of sealing head top or get into relatively more difficult, along with the increase of refrigerant flow; Pressure in the horizontal interface chamber increases gradually; But because the buffer action of isolating part, this moment epicoele pressure to increase ground slower, thereby with respect to the pressure of epicoele in the existing technology almost along with the pressure in horizontal interface chamber increases synchronously; When solenoid valve of the present invention improves at the flow of refrigeration agent; System's pressure reduction that sealing head receives is still smaller, and sealing head can close port, thereby the valve of opening of solenoid valve keeps flow to be improved.
In sum, solenoid valve provided by the present invention can increase it and open valve maintenance flow, thereby improves refrigeration.
In addition, the refrigeration system that comprises this solenoid valve provided by the present invention, the technique effect of its technique effect and above-mentioned solenoid valve is basic identical, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation when a kind of solenoid valve is opened in the existing technology;
Fig. 2 is the structural representation during a kind of closed electromagnetic valve in the existing technology;
Fig. 3 is the structural representation when solenoid valve is opened in an embodiment of the present invention;
Structural representation when Fig. 4 is the closed electromagnetic valve among Fig. 3;
Fig. 5 is the structural representation of the sleeve pipe of solenoid valve among Fig. 3;
Fig. 6 is the structural representation of solenoid valve among the another kind of embodiment of the present invention;
Fig. 7 is the structural representation of distance sleeve among Fig. 6.
Wherein, the corresponding relation between reference character and the component names is among Fig. 1 and Fig. 2:
1 ' valve seat; 1 ' 1 valve port; 1 ' 2 horizontal interface chamber; 1 ' 3 vertical joint oral cavity; 1 ' 4 epicoele; 1 ' 5 cavity of resorption; 1 ' 6 support level; 2 ' sealing head;
4 ' 1 attractors; 4 ' 2 core iron parts; 4 ' 3 springs;
5 ' sleeve pipe; 6 ' spacing end socket; 7 ' 1 horizontal adapters; 7 ' 2 vertical joint pipes; 8 ' coil.
Corresponding relation among Fig. 3 to Fig. 7 between reference character and the component names is:
1 valve seat; 11 valve ports; 12 horizontal interface chambeies; 13 vertical joint oral cavities; 14 epicoeles; 15 cavity of resorptions; 16 support levels; 2 sealing heads;
3 distance sleeves; 31 sleeve body portions; 32 sleeve joints; 33 sleeve bending parts; 331 second outer step surfaces; Step surface in 332 second;
41 attractors; 42 core iron parts; 43 springs;
5 sleeve pipes; 51 sleeve body portions; 52 sleeve pipe bending parts; 521 first outer step surfaces; Step surface in 522 second;
6 spacing end sockets; 71 horizontal adapters; 72 vertical joint pipes; 8 coils.
Embodiment
Core of the present invention is for providing a kind of solenoid valve, and the structural design of this solenoid valve can increase it and open valve maintenance flow, thereby improves refrigeration.Another core of the present invention is that a kind of refrigeration system that comprises this solenoid valve is provided in addition.
In order to make those skilled in the art understand technological scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation when solenoid valve is opened in an embodiment of the present invention; Structural representation when Fig. 4 is the closed electromagnetic valve among Fig. 3.
In the present invention, solenoid valve comprises valve seat 1, and valve seat 1 is provided with valve pocket and valve 11, and valve seat 1 also is provided with horizontal interface chamber 12 and the vertical joint oral cavity 13 that is communicated with said valve pocket, and horizontal interface chamber 12 is connected with horizontal adapter 71, and vertical joint oral cavity 13 is connected with vertical joint pipe 72.Like Fig. 3 and shown in Figure 4, said solenoid valve also comprises sealing or opens the sealing head 2 of valve port 11, and sealing 2 is connected with core iron parts 42, and the outside of these core iron parts 42 is provided with sleeve pipe 5, and the outside of sleeve pipe 5 is provided with coil 8; The upper end portion of sleeve pipe 5 is provided with spacing end socket 6, and the underpart of sleeve pipe 5 is provided with the attractor 41 that is set in sealing head 2 outsides, and is provided with spring 43 between attractor 41 and the core iron parts 42.
During work, when solenoid valve was switched on, core iron parts 42 overcame the elastic force that spring 43 makes progress under the effect of the magnetic force in coil 8 magnetic fields, moved downward, thereby drove sealing head 2 close port 11, closed electromagnetic valve; When solenoid valve cut off the power supply, the magnetic force in coil 2 magnetic fields disappeared, and core iron parts 42 and sealing head 2, move upward, thereby sealing head 2 are opened valve ports 11, solenoid valve conduction upwards under the effect of elastic force at spring 43.
On the basis of above-mentioned existing technology, in basic technology scheme provided by the present invention, the top of said valve pocket is provided with isolating part, the epicoele 14 and horizontal interface chamber 12 of isolating sealing head 2 tops when opening valve port 11 with convenient sealing head 2.Owing to be provided with isolating part between the epicoele 14 of sealing head 2 tops and the horizontal interface chamber 12; Thereby the high-pressure liquid in horizontal interface chamber 12 is difficult to get into the epicoele 14 of sealing head 2 tops or gets into relatively difficulty; Along with the increase of refrigerant flow, the pressure in the horizontal interface chamber 12 increases gradually, but because the buffer action of isolating part; This moment, the pressure increase ground of epicoele 14 was slower; Thereby with respect to the pressure of epicoele in the existing technology 1 ' 4 almost along with the pressure in horizontal interface chamber 1 ' 2 increases synchronously, when solenoid valve of the present invention improved at the flow of refrigeration agent, epicoele 12 and the system's pressure reduction between the cavity of resorption 13 that sealing head 2 receives were still smaller; Sealing head 2 can close port 11, thereby the valve of opening of solenoid valve keeps flow to be improved.
Through evidence, 8mm bore solenoid valve adopts structural design of the present invention, and it is driven valve and keeps flow can reach 40m 3/ h is with respect to the 23m of solenoid valve in the existing technology 3The valve of opening of/h keeps flow, and the valve of opening of obvious solenoid valve of the present invention keeps flow to be significantly improved.
Need to prove,, thereby open or close port 11 owing to sealing head 2 need move up and down; Thereby isolating part is to the isolation between epicoele 14 and the horizontal interface chamber 12; Be not isolated fully sealing, but a kind of gapped isolation, this gap is smaller; Thereby make the high-pressure refrigerant in the horizontal interface chamber 12 get into relatively difficulty of epicoele 14; Thereby can get into pressure that epicoele 1 ' 4 causes epicoele 1 ' 4 almost along with the pressure in horizontal interface chamber 1 ' 2 increases synchronously with respect to existing technology mesohigh refrigeration agent comparatively unobstructedly, because the buffer action of isolating part, the pressure build-up ground of epicoele 14 is slower among the present invention.
Please be simultaneously with reference to figure 3, Fig. 4 and Fig. 5, Fig. 5 is the structural representation of the sleeve pipe of solenoid valve among Fig. 3.
In above-mentioned basic technology scheme, said isolating part can be specially distance sleeve 3, and when sealing head 2 was opened valve port 11, sealing head 2 was recycled in the distance sleeve 3.This distance sleeve 3 is circumferentially isolated epicoele 14 and horizontal interface chamber 12 along sealing head 2, thereby isolation effect is significantly improved.Particularly; Do not influencing under the degrees of freedom situation that sealing head 2 moves up and down; As shown in Figure 4, the gap between the inwall of distance sleeve 3 and sealing head 2 outer walls can reduce as much as possible, thereby can further improve the difficulty that the high-pressure refrigerant in the horizontal interface chamber 12 gets into epicoele 14.
On the basis of above-mentioned basic technology scheme, can make further improvement, thereby obtain a kind of embodiment of the present invention.Particularly, like Fig. 3, Fig. 4 and shown in Figure 5, in this embodiment, the underpart of sleeve pipe 5 extends further into and forms distance sleeve 3 in the said valve pocket, that is distance sleeve 3 is the part of sleeve pipe 5.Particularly, this sleeve pipe 5 comprises sleeve body portion 51 and distance sleeve 3, the two part that is integrated, and sleeve body portion 51 is used to be provided with attractor 41, and distance sleeve 3 is used for reclaiming when sealing head 2 is opened valve port 11 sealing head 2.
In addition, like Fig. 3, Fig. 4 and shown in Figure 5, sleeve body portion 51 is connected through sleeve pipe bending part 52 with distance sleeve 3.Particularly, as shown in Figure 5, the outside of this sleeve pipe bending part 52 is provided with the first outer step surface 521, and its inboard is provided with step surface 522 in first; Like Fig. 3 and shown in Figure 4, the first outer step surface 521 is supported on the support level 16 of valve seat 1, and the first interior step surface 522 is used to support the lower end surface of attractor 41.The part because sleeve body portion 51 and distance sleeve 3 are integrated, thereby can reduce amount of parts, simplify assembly technology; The structural design of step surface 522 can realize self and attractor 41 are located comparatively easily in the first outer step surface 521 of sleeve pipe bending part 52 and first simultaneously.
Please refer to Fig. 6 and Fig. 7, Fig. 6 is the structural representation of solenoid valve among the another kind of embodiment of the present invention; Fig. 7 is the structural representation of distance sleeve among Fig. 6.
On the basis of above-mentioned basic technology scheme, can also make another kind of the improvement, thereby obtain another kind of embodiment of the present invention.Particularly, as shown in Figure 6 in this kind embodiment, distance sleeve and sleeve pipe are for dividing body structure, and distance sleeve is connected on the valve seat, and supporting sleeve.
Particularly, like Fig. 6 and shown in Figure 7, distance sleeve 3 comprises sleeve body portion 31 and sleeve joint 32, and sealing head 2 is recycled in the sleeve body portion 31 when opening valve port 11, and sleeve joint 32 is connected with valve seat 1.Further, sleeve body portion 31 is connected through sleeve bending part 33 with sleeve joint 32; Valve seat 1 is provided with support level 16, and the outside of sleeve bending part 33 is provided with the second outer step surface 331 that is supported on the support level 16, and the inboard of sleeve bending part 33 is provided with the second interior step surface 332 of supporting sleeve 5 lower end surfaces.Obviously, this kind technological scheme also can the technical solution problem, realizes goal of the invention.
Particularly, in above-mentioned any technological scheme, the lower end surface of sealing head 2 can be higher than or flush in the lower end surface of distance sleeve 3 when sealing head 2 was opened valve port 11, that is sealing head 2 all is recycled in the distance sleeve 3.This kind structural design can further improve the isolation effect of distance sleeve 3.
In addition, the present invention also provides a kind of refrigeration system, comprises first indoor evaporator, second indoor evaporator and connects the two solenoid valve; This solenoid valve be above-mentioned any technological scheme in solenoid valve.When refrigeration system was freezed, solenoid valve was in opening state, plays connecting pipeline, and first indoor evaporator and second indoor evaporator are connected as a single entity.When air conditioner dehumidification, solenoid valve is in closed condition, and a vaporizer heats, another vaporizer refrigeration, and through refrigerating evaporator, airborne water vapor condensation becomes water droplet to air earlier, again through heating vaporizer, to atmosphere temperature rising, thereby reaches the purpose of dehumidifying.This refrigeration system specifically can be air-conditioning, the compressor of refrigeration system, and miscellaneous parts such as condenser and expansion valve can be with reference to existing technology, and this paper no longer launches.
More than refrigeration system provided by the present invention and solenoid valve thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.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 carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (9)

1. solenoid valve; Comprise valve seat (1); The valve port (11) that said valve seat (1) is provided with valve pocket and is communicated with said valve pocket, said valve seat (1) also are provided with horizontal interface chamber (12) that is communicated with said valve pocket and the vertical joint oral cavity (13) that is communicated with said valve pocket through said valve port (11); Said solenoid valve also comprises the sealing head (2) of opening or cutting out said valve port (11); It is characterized in that the top of said valve pocket is provided with isolating part, isolate the epicoele (14) and said horizontal interface chamber (12) of said sealing head (2) top when opening said valve port (11) with the said sealing head of box lunch (2).
2. solenoid valve as claimed in claim 1 is characterized in that, said isolating part is distance sleeve (3), and said sealing head (2) is recycled in the said distance sleeve (3) when opening said valve port (11).
3. solenoid valve as claimed in claim 2 is characterized in that, said solenoid valve also comprises is located at the outside attractor (41) of said sealing head (2), and the outside of said attractor (41) is provided with the sleeve pipe (5) that is connected on the said valve seat (2); The underpart of said sleeve pipe (5) extends further into and forms said distance sleeve (3) in the said valve pocket.
4. solenoid valve as claimed in claim 3 is characterized in that, said sleeve pipe (5) comprises said distance sleeve (3) and the sleeve body portion (51) of said attractor (41) is set, and the two connects through sleeve pipe bending part (52); Said valve seat (1) is provided with support level (16); The outside of said sleeve pipe bending part (52) is provided with the first outer step surface (521) that is supported on the said support level (16), and the inboard of said sleeve pipe bending part (52) is provided with the first interior step surface (522) that supports said attractor (41) lower end surface.
5. solenoid valve as claimed in claim 2 is characterized in that, said solenoid valve also comprises is located at the outside attractor (41) of said sealing head (2), and the outside of said attractor (41) is provided with the sleeve pipe (5) that is connected on the said valve seat (1); Said distance sleeve (3) is the branch body structure with said sleeve pipe (5), and said distance sleeve (3) is connected on the said valve seat (1), and supports said sleeve pipe (5).
6. solenoid valve as claimed in claim 5; It is characterized in that; Said distance sleeve (3) comprises sleeve body portion (31) and sleeve joint (32); Said sealing head (2) is recycled to when opening said valve port (11) in the said sleeve body portion (31), and said sleeve joint (32) is connected with said valve seat (1).
7. solenoid valve as claimed in claim 6 is characterized in that, said sleeve body portion (31) is connected through sleeve bending part (33) with said sleeve joint (32); Said valve seat is provided with support level (16); The outside of said sleeve bending part (33) is provided with the second outer step surface (331) that is supported on the said support level (16), and the inboard of said sleeve bending part (33) is provided with the second interior step surface (332) that supports said sleeve pipe (5) lower end surface.
8. like each described solenoid valve of claim 2 to 7, it is characterized in that the lower end surface of said sealing head (2) was higher than or flushes in the lower end surface of said distance sleeve (3) when said sealing head (2) was opened said valve port (11).
9. refrigeration system comprises first indoor evaporator, second indoor evaporator and connects the two solenoid valve; It is characterized in that said solenoid valve is each described solenoid valve of claim 1 to 8.
CN2011100334085A 2011-01-30 2011-01-30 Refrigeration system and electromagnetic valve of refrigeration system Pending CN102619991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100334085A CN102619991A (en) 2011-01-30 2011-01-30 Refrigeration system and electromagnetic valve of refrigeration system

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Application Number Priority Date Filing Date Title
CN2011100334085A CN102619991A (en) 2011-01-30 2011-01-30 Refrigeration system and electromagnetic valve of refrigeration system

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CN102619991A true CN102619991A (en) 2012-08-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023051263A1 (en) * 2021-09-29 2023-04-06 浙江盾安人工环境股份有限公司 Electromagnetic valve and air conditioning system having same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0875026A (en) * 1994-08-31 1996-03-19 Fuji Koki:Kk Solenoid valve
JP2003065458A (en) * 2001-08-29 2003-03-05 Fuji Koki Corp Solenoid valve
JP2003301962A (en) * 2002-04-12 2003-10-24 Saginomiya Seisakusho Inc High-pressure compatible solenoid valve
JP2004239358A (en) * 2003-02-06 2004-08-26 Saginomiya Seisakusho Inc Solenoid valve and air conditioner
CN1824983A (en) * 2005-02-22 2006-08-30 株式会社鹭宫制作所 Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein
CN101363554A (en) * 2007-08-09 2009-02-11 株式会社鹭宫制作所 Normal-open electromagnetic valve and air conditioner
CN101571205A (en) * 2008-04-30 2009-11-04 浙江三花股份有限公司 Magnetic valve, throttling set and refrigerating unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0875026A (en) * 1994-08-31 1996-03-19 Fuji Koki:Kk Solenoid valve
JP2003065458A (en) * 2001-08-29 2003-03-05 Fuji Koki Corp Solenoid valve
JP2003301962A (en) * 2002-04-12 2003-10-24 Saginomiya Seisakusho Inc High-pressure compatible solenoid valve
JP2004239358A (en) * 2003-02-06 2004-08-26 Saginomiya Seisakusho Inc Solenoid valve and air conditioner
CN1824983A (en) * 2005-02-22 2006-08-30 株式会社鹭宫制作所 Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein
CN101363554A (en) * 2007-08-09 2009-02-11 株式会社鹭宫制作所 Normal-open electromagnetic valve and air conditioner
CN101571205A (en) * 2008-04-30 2009-11-04 浙江三花股份有限公司 Magnetic valve, throttling set and refrigerating unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023051263A1 (en) * 2021-09-29 2023-04-06 浙江盾安人工环境股份有限公司 Electromagnetic valve and air conditioning system having same

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Effective date of registration: 20170124

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

Applicant after: Sanhua Refrigeration Group Co., Ltd., Zhejang

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

Applicant before: Zhejiang Sanhua Group Co., Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120801