CN103423461A - Electromagnetic valve and refrigerating device provided with electromagnetic valve - Google Patents
Electromagnetic valve and refrigerating device provided with electromagnetic valve Download PDFInfo
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- CN103423461A CN103423461A CN2012101567087A CN201210156708A CN103423461A CN 103423461 A CN103423461 A CN 103423461A CN 2012101567087 A CN2012101567087 A CN 2012101567087A CN 201210156708 A CN201210156708 A CN 201210156708A CN 103423461 A CN103423461 A CN 103423461A
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Abstract
The invention discloses an electromagnetic valve which comprises a valve seat assembly and a driving device, wherein the valve seat assembly is provided with a flow-in channel and a flow-out channel, and the driving device is fixedly connected to the valve seat assembly. The electromagnetic valve is characterized in that the valve seat assembly comprises a main valve seat and an auxiliary valve seat, wherein the main valve seat is provided with a main valve opening, and the auxiliary valve seat is fixedly connected with the main valve seat and is provided with an auxiliary valve opening; a valve cavity is formed between the main valve opening and the auxiliary valve opening, and a valve element for opening or closing the main valve opening or the auxiliary valve opening is arranged inside the valve cavity; the flow-out channel is communicated with the auxiliary valve opening, and the flow-in channel is communicated with the main valve opening; the valve seat assembly further comprises a bypass channel communicated with the valve cavity; when the main valve opening is opened but the auxiliary valve opening is closed, the bypass channel is communicated with the flow-in channel; when the auxiliary valve opening is opened but the main valve opening is closed, the bypass channel is communicated with the flow-out channel. The invention further discloses a refrigerating device provided with the electromagnetic valve.
Description
Technical field
The present invention relates to refrigeration system direction of flow control technique field.Relate in particular to a kind of solenoid valve and use the refrigeration plant of this solenoid valve.
Background technique
In vapor compression refrigeration device, compressor is one of critical piece.Compressor is compressed to high pressure conditions to refrigerant vapor from low-pressure state, created refrigerant liquid in vaporizer under low temperature refrigeration and in condenser the condition of normal-temperature liquefaction.In addition, because compressor constantly sucks and Exhaust Gas, refrigeration cycle is carried out again and again, therefore, it has the title of " heart " of whole device.In order to control accurately the flow direction of compressor inner fluid, the solenoid valve used on compressor is also more and more.
As shown in Figure 1, be the structural representation of a kind of refrigeration plant in prior art.Refrigeration plant shown in Fig. 1 comprises refrigeration compressor 500 and the flange-type solenoid valve be fixed together with refrigeration compressor 500.As shown in Figure 1, the flange-type solenoid valve in this refrigeration plant comprises driver part, valve hole part and valve seat 110.Described driver part comprises housing 205 and the static iron core 201 and the moving iron core 202 that are placed in described housing 205, and the top of described moving iron core 202 accommodates a returning spring 203.The bottom of described moving iron core 202 is provided with Returnning spring 204.The other end riveted joint of moving iron core 202 has valve hole part, described valve hole part to comprise block spool 104 and packing ring 105.Valve seat 110 is welded and fixed with the housing 205 of driver part.The flow pass 102 that is formed with valve pocket 106 and the inlet passage 101 be communicated with this valve pocket 106 in described valve seat 110 and is communicated with or disconnects with this valve pocket 106, flow pass 102 forms valve port 103 in the port part that is positioned at valve pocket 106.The contact of this flange-type solenoid valve by valve hole part and valve port 103 or separate, realized controlling with the break-make of valve pocket 106 flowing out path 10 2.Be formed with mounting hole 206 on valve seat 110.By bolt (not shown) and coordinating of mounting hole 206 this flange-type solenoid valve being installed and is fixed on compressor 500.
In Fig. 1, the inlet passage 101 of flange-type solenoid valve is connected with two chambeies (as entered chamber 501 and refrigerant compression chamber 502 with the refrigeration agent of compressor respectively) of compressor 500 respectively with flow pass 102.This flange-type solenoid valve coordinates with the field coil (not shown), when coil blackout, moving iron core 202 moves to the direction away from static iron core 201 under the elastic force effect of returning spring 203, until valve hole part contacts with valve port 103, closed electromagnetic valve, now, two chambeies of compressor are in off state, and refrigeration agent can not enter flow pass 102 by inlet passage 101.After coil electricity, moving iron core 202 moves upward under the effect of electromagnetic force, driving valve hole part moves to the direction away from valve port 103, valve port 103 is opened, now, two chambeies of compressor are in open mode, and the refrigeration agent of the refrigeration compressor 500 be connected with valve seat 110 enters after refrigeration agent in chamber 501 enters valve pocket 106 inflow and outflow path 10 2 by the inlet passage 101 of flange-type solenoid valve and enters in the refrigerant compression chamber 502 of compressor 500.
The deficiency of the flange-type solenoid valve in the prior art refrigeration plant is, because the flange-type solenoid valve in the refrigeration plant shown in Fig. 1 only has an inlet passage and a flow pass, therefore, a solenoid valve can only be controlled the break-make in two chambeies of compressor, a plurality of cavitys are arranged in refrigeration compressor, while as three cavity ━, entering chamber, compression chamber and discharge side, want to realize the break-make in three chambeies on compressor is just controlled and must be used two solenoid valves, so, at first, weight increase and the manufacture cost of refrigeration plant are large, and secondly, installation procedure is loaded down with trivial details.
Summary of the invention
The invention provides a kind of solenoid valve, this kind of electromagnetic valve structure is simple, is convenient to processing.The break-make of interior three cavitys of the controlled compressor processed of solenoid valve, can realize the break-make of a plurality of cavitys in compressor is controlled by using many these solenoid valves.The present invention also provides the refrigeration plant that a kind of weight is light, manufacture cost is lower, installation procedure is simply used solenoid valve of the present invention.
Solenoid valve disclosed by the invention, comprise the valve component with flow channel and flow pass, with the drive unit be fixed on described valve component, described valve component comprises with the main valve seat of primary valve and the auxiliary-seat with secondary valve port affixed with main valve seat, form valve pocket between described primary valve and described secondary valve port, be provided with the spool that opens or closes described primary valve or described secondary valve port in described valve pocket, described flow pass is communicated with described secondary valve port, described flow channel is communicated with described primary valve, described valve component also comprises the bypass channel be communicated with described valve pocket, when described primary valve is opened and described secondary valve port while closing, described bypass channel is communicated with described flow channel, when described secondary valve port, open and described primary valve while closing, described bypass channel is communicated with described flow pass.
Further, the solenoid valve of structure as mentioned above, described flow channel, described flow pass and described bypass channel are arranged on described main valve seat.
Further, the solenoid valve of structure, be provided with the valve opening be communicated with described secondary valve port on described auxiliary-seat as mentioned above, and described valve opening is connected with described flow pass.
Further, the solenoid valve of structure as mentioned above, described drive unit comprise driving body and with the driveshaft of described driving body Joint, described driveshaft inserts slidably in described valve opening and drives described spool.
Further, the solenoid valve of structure, form connecting passage between the bottom of described driving body and described valve component as mentioned above, and described connecting passage is communicated with described valve opening and described flow pass.
Further, the solenoid valve of structure as mentioned above, described drive unit and described valve component are by the link Joint.
Further, the solenoid valve of structure as mentioned above, described spool is for being arranged between described primary valve and described secondary valve port and spheroid movably, when described primary valve is opened, described spool is closed described secondary valve port, and when described secondary valve port is opened, described spool is closed described primary valve.
The invention also discloses a kind of refrigeration plant, comprise compressor and the solenoid valve affixed with described compressor seal, the solenoid valve that described solenoid valve is above-mentioned arbitrary structure.
Further, the refrigeration plant of structure as mentioned above, described compressor comprises the first cavity, the second cavity and the 3rd cavity, described the first cavity is communicated with described bypass channel, described the second cavity is communicated with described flow channel, and described the 3rd cavity is communicated with described flow pass.
Further, the refrigeration plant of structure as mentioned above, described solenoid valve and described compressor are affixed by fastener.
Solenoid valve of the present invention and use the beneficial effect of refrigeration plant of this solenoid valve as follows: first, technological scheme by solenoid valve of the present invention, only with a solenoid valve, can realize the break-make of three cavitys in compressor is controlled, thus the flow direction of the refrigeration agent in the control compressor.The second, compared with prior art, while in compressor, a plurality of cavity being arranged, solenoid valve of the present invention can reduce the use number of solenoid valve, thereby reduces installation procedure.The 3rd, in refrigeration plant of the present invention, the overall weight of refrigeration plant is lighter, and cost of production reduces, and installation procedure is simple.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of refrigeration plant in prior art;
A kind of embodiment's that Fig. 2 is solenoid valve of the present invention stereogram;
The cross section view when primary valve that Fig. 3 is solenoid valve shown in Fig. 2 is opened;
The cross section view that Fig. 4 is the main valve seat of solenoid valve in Fig. 3;
The cross section view that Fig. 5 is the auxiliary-seat of solenoid valve in Fig. 3;
The cross section view when primary valve that Fig. 6 is the solenoid valve in Fig. 2 is closed;
This assembles rear schematic diagram for a kind of embodiment of refrigeration plant of the present invention Fig. 7;
Cross section view when in the refrigeration plant that Fig. 8 is Fig. 7, the solenoid valve primary valve is opened;
Cross section view when in the refrigeration plant that Fig. 9 is Fig. 7, the solenoid valve primary valve is closed.
Embodiment
Below in conjunction with accompanying drawing, the principle of the invention is elaborated as follows:
A kind of embodiment's that Fig. 2 is solenoid valve of the present invention stereogram; The cross section view when primary valve that Fig. 3 is solenoid valve shown in Fig. 2 is opened; The cross section view that Fig. 4 is the main valve seat of solenoid valve in Fig. 3; The cross section view that Fig. 5 is the auxiliary-seat of solenoid valve in Fig. 3; The cross section view when primary valve that Fig. 6 is the solenoid valve in Fig. 2 is closed.
As shown in Figure 2, in a kind of embodiment of solenoid valve of the present invention, solenoid valve comprises drive unit 200 and valve component 100, and drive unit 200 is specially with externally threaded attaching nut by link 300(the present embodiment with valve component 100) be connected.As shown in Figures 2 and 3, drive unit 200 comprises driving body 20 and the driveshaft 21 affixed with described driving body 20.Driving body 20 comprises housing 22 and is placed in the static iron core 23 in described housing 22; Moving iron core 25; Static iron core 23 is provided with divided magnetic ring 24 near the end of moving iron core 25; Accommodate returning spring 26 in moving iron core 25, an end of returning spring 26 is connected to static iron core 23.Driving body 20 is connected with driveshaft 21 near an end of valve component 100.
As shown in Fig. 3, Fig. 4 and Fig. 5, the valve component 100 of the present embodiment solenoid valve comprises with the main valve seat 11 of primary valve 4 and the auxiliary-seat with secondary valve port 5 12 affixed with main valve seat 11, form valve pocket 6 between primary valve 4 and secondary valve port 5, be provided with the spool 7 that opens or closes primary valve 4 or secondary valve port 5 in valve pocket 6.Preferably, in the present embodiment, spool 7 is for being arranged at the movably spheroid (being specially steel ball in the present embodiment) between primary valve 4 and secondary valve port 5.On valve component 100, with flow channel 1 and flow pass 2, flow pass 2 is communicated with secondary valve port 5, and flow channel 1 is communicated with primary valve 4.As shown in Figure 3 and Figure 4, valve component 100 also comprises the bypass channel 3 be communicated with valve pocket 6.When primary valve 4, open and secondary valve port 5 while closing, bypass channel 3 is communicated with flow channel 1; When secondary valve port 5, open and primary valve 4 while closing, bypass channel 3 is communicated with flow pass 2.
As shown in Fig. 3, Fig. 4 and Fig. 5, as preferred implementation, the flow channel 1 of the present embodiment solenoid valve, flow pass 2 and bypass channel 3 are arranged on main valve seat 11.Be provided with on the auxiliary-seat 12 of main valve seat 11 Joints the valve opening 8 be communicated with secondary valve port 5, valve opening 8 is connected with flow pass 2.As shown in Figure 3, between the bottom of the driving body 20 of drive unit 200 and valve component 100, be formed with connecting passage 9, connecting passage 9 is communicated with valve opening 8 with flow pass 2.
As shown in Fig. 3, Fig. 4, Fig. 5, it will be steel ball in spool 7(the present embodiment that the assembling process of the solenoid valve of the present embodiment is roughly) put into primary valve 4 from the groove 14 of main valve seat 11, afterwards that the secondary valve port 5 of auxiliary-seat 12 is relative with spool 7, and auxiliary-seat 12 is press-fited in main valve seat 11, in order to strengthen fixing between auxiliary-seat 12 and main valve seat 11, can further will between auxiliary-seat 12 and main valve seat 11, be welded and fixed.Afterwards, drive unit 200 is passed through to the outside thread of link 300 and the internal screw-thread screw of main valve seat 11 inwalls.In this process, for the driveshaft 21 that drives spool 7, insert slidably in the valve opening 8 of auxiliary-seat 12, completed the assembling of the solenoid valve of the present embodiment.In order to prevent that valve component 100 and link 300 joint between the two from refrigrant leakage occurring, be the O RunddichtringO be provided with Sealing 13(the present embodiment between the end face of the lower end surface of link 300 and main valve seat 11 in) realize the sealing between link 300 and valve component 100.
The solenoid valve of this example, when primary valve 4 is opened, spool 7 is closed secondary valve port 5, and when secondary valve port 5 is opened, spool 7 is closed primary valve 4.As shown in Fig. 3, Fig. 4 and Fig. 5, after the energising of electromagnetic coil (not shown), under the excitation effect, the elastic force that moving iron core 25 overcomes returning spring 26 makes progress and static iron core 23 adhesives.Now, driveshaft 21 moves upward under moving iron core 25 drives, and spool 7 moves upward until spool 7 is closed secondary valve port 5 under the pressure of refrigeration agent promotes, and now, primary valve 11 is opened, and refrigeration agent enters bypass channel 3 from flow channel 1 valve pocket 6 of flowing through.
As shown in Fig. 6, Fig. 4 and Fig. 5, when the electromagnetic coil (not shown) coordinated with drive unit 200 cuts off the power supply, moving iron core 25 moves to the direction near valve component 100 under the elastic force effect of returning spring 26, therefore driveshaft 21 is connected to spool 7 and moves downward together with spool 7 until spool 7 is closed primary valve 4, now, secondary valve port 5 is opened, and the refrigeration agent of bypass channel 3 interior inflows is flowed through valve pocket 6 also by valve opening 8 and connecting passage 9 inflow and outflow passages 2.
The invention also discloses a kind of refrigeration plant.This assembles rear schematic diagram for a kind of embodiment of refrigeration plant of the present invention Fig. 7; Cross section view when in the refrigeration plant that Fig. 8 is Fig. 7, the solenoid valve primary valve is opened; Cross section view when in the refrigeration plant that Fig. 9 is Fig. 7, the solenoid valve primary valve is closed.
Refrigeration plant of the present invention comprise solenoid valve of the present invention and with the compressor 400 of this solenoid valve Joint.As shown in Figure 7 and Figure 8, this solenoid valve can be the solenoid valve in aforesaid embodiment.This solenoid valve has two mounting holes 16, and compressor 400 has two pilot holes 44 that coordinate with mounting hole 16.Solenoid valve and compressor 400 by fastener 17(as the bolt in the present embodiment) be fixed together.And, in order to prevent main valve seat 11 and compressor 400 surface of contact places, refrigrant leakages occur, be provided with sealing component 45(the present embodiment between main valve seat 11 and compressor 400 surface of contact in sealing component be rubber sheet gasket).
In the refrigeration plant of the present embodiment, the compressor 400 of take has three cavity ━ the first cavity 41, the second cavity 42 and the 3rd cavity 43 and the working principle of the refrigeration plant of the present embodiment is described as example.As shown in Figure 7 and Figure 8, compressor 400 has the first cavity 41, the second cavity 42 and the 3rd cavity 43.Wherein, the first cavity 41 is as the refrigerant compression chamber of compressor 400, and the second cavity 42 enters chamber as the refrigeration agent of compressor 400, and the 3rd cavity 43 is as the refrigeration agent discharge side of compressor 400.Sealing component 45 has the through hole matched with the first cavity 41, the second cavity 42 and the 3rd cavity 43 of compressor 400.
As shown in Figure 8, when the electromagnetic coil (not shown) is switched on, the operating principle of solenoid valve describes in detail above, at this repeated description no longer.Now, because the primary valve 4(of solenoid valve is shown in Fig. 4) be opened and secondary valve port 5 is closed, the second cavity 42(refrigeration agent of compressor 400 enters chamber) in refrigeration agent via flow channel 1, valve pocket 6, bypass channel 3, enter into the first cavity 41(refrigerant compression chamber of compressor 400).Along with the increase with pressure that increases of the amount of the refrigeration agent in the first cavity 41, as required, as shown in Figure 9, the outage of electromagnetic coil (not shown), the operating principle of the solenoid valve after coil blackout is describing in detail above, at this repeated description no longer.Now, because primary valve 4 is closed, secondary valve port 5 is opened, the first cavity 41, bypass channel 3, valve pocket 6, valve opening 8, connecting passage 9 and the flow pass 2 of compressor 400, the 3rd cavity 43 are communicated with, the first cavity 41(refrigerant compression chamber) in refrigeration agent be drained into the 3rd cavity 43(refrigeration agent discharge side of compressor 400) in.Enter into refrigeration agent in the 3rd cavity 43 at the current intelligence of the current intelligence of the other parts of refrigeration system and the refrigeration agent of existing known refrigeration system without essential difference, be not described in detail in this.
It should be noted that, this embodiment part is in order to understand better the principle of technological scheme of the present invention for the description of the structure of solenoid valve and refrigeration plant, is not the restriction to the concrete structure of the solenoid valve in the present invention and refrigeration plant.The improvement that does not break away from protection domain of the present invention that those of ordinary skill in the art does in concept of the present invention; as the improvement for mounting hole 16; improvement for Sealing 13 and sealing component 45; for the position of the bypass channel in valve component, flow channel, flow pass, connecting passage and the improvement of shape, to the improvement of compressor profile or its each cavity geometry etc. all in protection scope of the present invention.
Advantage of the present invention is: the first, by the technological scheme of solenoid valve of the present invention, only with a solenoid valve, can realize the break-make of three cavitys in compressor is controlled, thus the flow direction of the refrigeration agent in the control compressor.As preferred implementation, flow channel, flow pass and bypass channel all are arranged on main valve seat, make electromagnetic valve structure simply also be convenient to processing.The second, compared with prior art, while in compressor, a plurality of cavity being arranged, solenoid valve of the present invention can reduce the use number of solenoid valve, thereby reduces installation procedure.The 3rd, in refrigeration plant of the present invention, the overall weight of refrigeration plant is lighter, and cost of production is lower, and installation procedure is simple.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles 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 (10)
1. a solenoid valve, comprise the valve component (100) with flow channel (1) and flow pass (2), with the drive unit (200) be fixed on described valve component (100), it is characterized in that, described valve component (100) comprises with the main valve seat (11) of primary valve (4) and the auxiliary-seat with secondary valve port (5) affixed with described main valve seat (11) (12), form valve pocket (6) between described primary valve (4) and described secondary valve port (5), be provided with the spool (7) that opens or closes described primary valve (4) or described secondary valve port (5) in described valve pocket (6), described flow pass (2) is communicated with described secondary valve port (5), described flow channel (1) is communicated with described primary valve (4), described valve component (100) also comprises the bypass channel (3) be communicated with described valve pocket (6), when described primary valve (4) is opened and described secondary valve port (5) while closing, described bypass channel (3) is communicated with described flow channel (1), when described secondary valve port (5), open and described primary valve (4) while closing, described bypass channel (3) is communicated with described flow pass (2).
2. solenoid valve according to claim 1, is characterized in that, described flow channel (1), described flow pass (2) and described bypass channel (3) are arranged on described main valve seat (11).
3. solenoid valve according to claim 2, is characterized in that, is provided with the valve opening (8) be communicated with described secondary valve port (5) on described auxiliary-seat (12), and described valve opening (8) is connected with described flow pass (2).
4. solenoid valve according to claim 3, it is characterized in that, described drive unit (200) comprise driving body (20) and with the driveshaft (21) of described driving body (20) Joint, described driveshaft (21) inserts slidably in described valve opening (8) and drives described spool (7).
5. solenoid valve according to claim 4, is characterized in that, between the bottom of described driving body (20) and described valve component (100), forms connecting passage (9), and described connecting passage (9) is communicated with described valve opening (8) and described flow pass (2).
6. solenoid valve according to claim 5, is characterized in that, described drive unit (200) passes through link (300) Joint with described valve component (100).
7. according to the described solenoid valve of claim 1-6 any one, it is characterized in that, described spool (7) is for being arranged between described primary valve (4) and described secondary valve port (5) and spheroid movably, when described primary valve (4) while opening, described spool (7) is closed described secondary valve port (5), when described secondary valve port (5), while opening, described spool (7) is closed described primary valve (4).
8. a refrigeration plant, comprise compressor (400) and seal affixed solenoid valve with described compressor (400), and it is characterized in that, described solenoid valve is the described solenoid valve of claim 1-7 any one.
9. refrigeration plant according to claim 8, it is characterized in that, described compressor (400) comprises the first cavity (41), the second cavity (42) and the 3rd cavity (43), described the first cavity (41) is communicated with described bypass channel (3), described the second cavity (42) is communicated with described flow channel (1), and described the 3rd cavity (43) is communicated with described flow pass (2).
10. refrigeration plant according to claim 9, is characterized in that, described solenoid valve and described compressor (400) are affixed by fastener (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156708.7A CN103423461B (en) | 2012-05-17 | 2012-05-17 | A kind of electromagnetic valve and use the refrigerating plant of this electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156708.7A CN103423461B (en) | 2012-05-17 | 2012-05-17 | A kind of electromagnetic valve and use the refrigerating plant of this electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423461A true CN103423461A (en) | 2013-12-04 |
| CN103423461B CN103423461B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210156708.7A Active CN103423461B (en) | 2012-05-17 | 2012-05-17 | A kind of electromagnetic valve and use the refrigerating plant of this electromagnetic valve |
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| CN (1) | CN103423461B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976361A (en) * | 2014-04-08 | 2015-10-14 | 浙江三花股份有限公司 | Electromagnetic changeover valve |
| CN106032853A (en) * | 2015-03-12 | 2016-10-19 | 浙江三花股份有限公司 | A solenoid valve for a compressor |
| CN106151554A (en) * | 2015-04-24 | 2016-11-23 | 杭州三花研究院有限公司 | Electric expansion valve, the manufacture method of electric expansion valve and refrigerant system |
| CN106812960A (en) * | 2015-10-23 | 2017-06-09 | 肯德隆（菲林根）有限公司 | Magnetic valve |
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| CN2182306Y (en) * | 1993-09-04 | 1994-11-09 | 西安仪表厂 | Safety valve of transducer |
| WO2009003994A1 (en) * | 2007-07-02 | 2009-01-08 | Luxembourg Patent Company S.A. | Shutoff valve integrated into a pressure regulator |
| CN201284835Y (en) * | 2008-10-23 | 2009-08-05 | 南通市电站阀门有限公司 | Double-valve core balancing type large diameter supercritical parameter break valve |
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2012
- 2012-05-17 CN CN201210156708.7A patent/CN103423461B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182306Y (en) * | 1993-09-04 | 1994-11-09 | 西安仪表厂 | Safety valve of transducer |
| WO2009003994A1 (en) * | 2007-07-02 | 2009-01-08 | Luxembourg Patent Company S.A. | Shutoff valve integrated into a pressure regulator |
| CN201284835Y (en) * | 2008-10-23 | 2009-08-05 | 南通市电站阀门有限公司 | Double-valve core balancing type large diameter supercritical parameter break valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976361A (en) * | 2014-04-08 | 2015-10-14 | 浙江三花股份有限公司 | Electromagnetic changeover valve |
| CN104976361B (en) * | 2014-04-08 | 2018-07-10 | 浙江三花制冷集团有限公司 | A kind of electromagnetic switching valve |
| CN106032853A (en) * | 2015-03-12 | 2016-10-19 | 浙江三花股份有限公司 | A solenoid valve for a compressor |
| CN106151554A (en) * | 2015-04-24 | 2016-11-23 | 杭州三花研究院有限公司 | Electric expansion valve, the manufacture method of electric expansion valve and refrigerant system |
| CN106812960A (en) * | 2015-10-23 | 2017-06-09 | 肯德隆（菲林根）有限公司 | Magnetic valve |
| CN106812960B (en) * | 2015-10-23 | 2020-09-11 | 肯德隆（菲林根）有限公司 | Electromagnetic valve |
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| Publication number | Publication date |
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| CN103423461B (en) | 2016-12-14 |
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Effective date of registration: 20170215 Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Patentee after: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. Address before: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Patentee before: ZHEJIANG SANHUA Co.,Ltd. |
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Effective date of registration: 20220818 Address after: 312500 Daming new area, Zhejiang Xinchang Economic Development Zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: 312500 Xinchang County, Zhejiang Province, Qixing street, Liquan Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |