CN202813916U - Double-circulation refrigerating system with electric valve - Google Patents
Double-circulation refrigerating system with electric valve Download PDFInfo
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- CN202813916U CN202813916U CN2012204706640U CN201220470664U CN202813916U CN 202813916 U CN202813916 U CN 202813916U CN 2012204706640 U CN2012204706640 U CN 2012204706640U CN 201220470664 U CN201220470664 U CN 201220470664U CN 202813916 U CN202813916 U CN 202813916U
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- 238000001816 cooling Methods 0.000 claims description 15
- 241001522296 Erithacus rubecula Species 0.000 claims description 14
- 210000003734 kidney Anatomy 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005057 refrigeration Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a double-circulation refrigerating system with an electric valve. The double-circulation refrigerating system comprises a compressor, a one-way valve, a condenser and the electric valve which are sequentially connected, wherein capillary pipes include a first capillary pipe and a second capillary pipe; evaporators include a first evaporator and a second evaporator; the electric valve is connected with the first evaporator by virtue of the first capillary pipe; the electric valve is connected with the second evaporator by virtue of the second capillary pipe; one end of the first evaporator is connected with the first capillary pipe, and the other end of the first evaporator is connected with the second evaporator; one end of the second capillary pipe is connected with the electric valve, a second end of the second capillary pipe is connected between the first evaporator and the second evaporator; the second evaporator is connected with the compressor; and the electric valve is connected with the air outlet of the compressor through a pressure relief pipe. The double-circulation refrigerating system with the electric valve has the advantages of effectively reducing the energy loss of the refrigerating system, being low in noise, improving the stability of the refrigerating system, and the like.
Description
Technical field
The utility model relates to a kind of double round robin cooling system that is provided with motor-driven valve.
Background technology
The normal domestic use refrigerator belongs to vapour compression refrigeration system more, is by control the opening of compressor, stops realizing the control to the temperature inside the box.But compressor is out-of-work the time, and the pressure of condenser and evaporimeter tends to balance, and hot cold-producing medium flows into evaporimeter by capillary in the process of balance, makes refrigerator produce a part of meaningless energy loss.During compressor start, condenser and evaporimeter also some energy loss in rebuliding the process of pressure reduction, it is more that more frequent energy loss is opened, stopped to refrigerator.This part is because the energy loss that compressor leaves, stops causing can cause the rising of refrigerator power consumption.
The Chinese utility model patent that application number is 03112681.2, name is called " condenser pressure-retaining energy-saving in-box refrigerating system " discloses a kind of condenser pressurize power-saving technology, its utilize motor-driven valve in moment that compressor stops the port closing with condenser, keep the pressure differential between condenser and the evaporimeter, not allowing hot cold-producing medium flow into evaporimeter affects refrigeration.When compressor starts again, can save the process that rebulids pressure reduction, realize rapidly refrigeration for refrigerator.In order to help compressor start, reduce the pressure of blast pipe, above-mentioned " condenser pressure-retaining energy-saving in-box refrigerating system " also will comprise in the design of the entry position of condenser " pressure release " loop of check valve.This traditional condenser pressurize power-saving technology, the motor-driven valve of use belongs to the bi-stable pulse electromagnetic valve of " 2/2-way ", and the motion switching mode of spool is the linear reciprocation impact type.The defective of this magnetic valve maximum is that action noise is large, and itself can't realize " pressure release " function, require specialized designs with the special use " pressure release capillary " of condensation function or increase " 2/2-way " pressure release electromagnetic valve, the problem of bringing thus is pressure release loop " low-response ", closed check valve poor performance, parts are many, refrigerator energy-saving effect unstability.
The utility model content
The utility model is the weak point that exists in the above-mentioned prior art for avoiding, and a kind of double round robin cooling system that is provided with motor-driven valve is provided, so that realize cold-producing medium shunting, pressurize, pressure release multiple function.
The utility model be the technical solution problem by the following technical solutions.
Be provided with the double round robin cooling system of motor-driven valve, its design feature is to comprise compressor, check valve, condenser, motor-driven valve, capillary and evaporimeter; Described compressor, check valve, condenser, motor-driven valve connect successively; Described capillary comprises the first capillary and the second capillary, and described evaporimeter comprises the first evaporimeter and the second evaporimeter; Described motor-driven valve is connected with the first evaporimeter by the first capillary, and described motor-driven valve is connected with the second evaporimeter by the second capillary; One end of described the first evaporimeter is connected with described the first capillary, and the other end of described the first evaporimeter is connected with described the second evaporimeter; Described second end capillaceous is connected with motor-driven valve, and described second the second end capillaceous is connected between the first evaporimeter and the second evaporimeter; Described the second evaporimeter is connected with described compressor; Described motor-driven valve is connected with the exhaust outlet of compressor by relief tube.
The design feature that is provided with the double round robin cooling system of motor-driven valve of the present utility model also is:
Described motor-driven valve comprises valve seat, motor and valve gap; Be provided with an entrance, a pressure relief opening and a plurality of outlet on the described valve seat, described pressure relief opening and outlet are positioned on the upper surface of valve seat; Described valve gap is sheathed on the top of described valve seat; Described motor is fixedly installed on the described valve gap, and described motor comprises stator and rotor, and described stator is arranged on the outer surface of described valve gap, and described rotor is arranged among the inner chamber of described valve gap; The centre of described rotor is provided with axle and described rotor can be around the center line rotation of axle; The lower end of described axle is fixed with the spool that offers pressure-relief flow guide groove and groove, and the lower surface of described spool and the upper surface of described valve seat connect, described pressure-relief flow guide groove is opened on the lower surface of described spool, and described groove penetrates described spool along the thickness direction of described spool.
The below of described rotor is provided with projection, also is provided with limited block on the described valve seat.
Described pressure-relief flow guide groove and groove are kidney slot; Described pressure-relief flow guide groove is straight shape groove, and described groove is deep-slotted chip breaker.
The valve seat of described motor-driven valve is provided with two outlets.
Compared with the prior art, the utility model beneficial effect is embodied in:
Motor-driven valve of the present utility model, arrive different positions by the motor-driven valve valve core rotation, realize the functions such as refrigerator refrigerant shunting, cut-off, pressure release, make the hot cold-producing medium of high pressure in the condenser after compressor shutdown, can not enter evaporimeter, keep condenser mesohigh cold-producing medium institute tool potential energy, effectively reduce the energy loss in the refrigeration system, reach energy-conservation purpose; Utilize the pressure release loop of motor-driven valve valve core inside, moment of compressor shutdown so that check valve can be realized quick closedown, improved refrigeration system energy-saving effect and stability, have the advantages that noise is low, stability is high.The spool of motor-driven valve drives rotation by stepper motor, has overcome the in the past noise defective of bistable electromagnetic valve in commutation process, has the little advantage of noise.
The double round robin cooling system that is provided with motor-driven valve of the present utility model has the stable advantages of higher that energy loss, the noise that can effectively reduce in the refrigeration system are low, can improve refrigeration system.
Description of drawings
Fig. 1 is the pressure release state diagram that is provided with the double round robin cooling system of motor-driven valve of the present utility model.
Fig. 2 is the front view of motor-driven valve of the present utility model.
Fig. 3 is the cutaway view of motor-driven valve of the present utility model.
Fig. 4 is the top view of the valve seat (two outlets) of motor-driven valve of the present utility model.
Fig. 5 is the A-A cutaway view among Fig. 4.
Fig. 6 is the top view of the spool of motor-driven valve of the present utility model.
Fig. 7 is the B-B cutaway view of Fig. 6.
Fig. 8 is the state diagram when being in cut-off state when cooperating of the valve seat of motor-driven valve of the present utility model and spool.
Fig. 9 is the state diagram when being in the pressure release state when cooperating of the valve seat of motor-driven valve of the present utility model and spool.
Figure 10 is the state diagram when being in open mode when cooperating of the valve seat of motor-driven valve of the present utility model and spool.
Label in accompanying drawing 1～accompanying drawing 10: 1 compressor, 2 check valves, 3 condensers, 4 motor-driven valves, 41 valve seats, 411 entrances, 412 pressure relief openings, 413 outlets, 42 motors, 421 stators, 422 rotors, 4221 axles, 43 valve gaps, 44 spools, 441 guiding gutters, 442 grooves, 5 capillaries, 51 first capillaries, 52 second capillaries, 6 evaporimeters, 61 first evaporimeters, 62 second evaporimeters, 7 pressure release passages, 8 feed tubes, 9 drain pipes, 10 relief tubes, 11 power interfaces.
Below pass through the specific embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The specific embodiment
Referring to Fig. 1～Figure 10, be provided with the double round robin cooling system of motor-driven valve, comprise compressor 1, check valve 2, condenser 3, motor-driven valve 4, capillary 5 and evaporimeter 6; Described compressor 1, check valve 2, condenser 3, motor-driven valve 4 connect successively; Described capillary 5 comprises the first capillary 51 and the second capillary 52, and described evaporimeter 6 comprises the first evaporimeter 61 and the second evaporimeter 62; Described motor-driven valve 4 is connected with the first evaporimeter 61 by the first capillary 51, and described motor-driven valve is connected with the second evaporimeter 62 by the second capillary 52; One end of described the first evaporimeter 61 is connected with described the first capillary 51, and the other end of described the first evaporimeter 61 is connected with described the second evaporimeter 62; One end of described the second capillary 52 is connected with motor-driven valve 4, and the second end of described the second capillary 52 is connected between the first evaporimeter 61 and the second evaporimeter 62; Described the second evaporimeter 62 is connected with described compressor 1; Described motor-driven valve 4 is connected by the exhaust outlet of relief tube 7 with compressor 1.Motor-driven valve is adjusted to described open mode along with the startup of compressor, compressor stop phase motor-driven valve is adjusted to described pressure release state or cut-off state.
Be designed with pressure-relief flow guide groove and groove on the spool, be designed with pressure relief opening and outlet on the valve seat.When the Spool rotating of motor-driven valve arrived the pressure release state, by the pressure-relief flow guide groove institute conducting of valve core inside, the cold-producing medium in the pressure relief opening can enter outlet by the pressure-relief flow guide groove between the pressure relief opening on the motor-driven valve valve seat and the outlet.When the electronic rotation valve was in cut-off state, pressure relief opening, outlet and entrance were blocked by spool, and motor-driven valve is in the state that disconnects fully.
The valve core inside of motor-driven valve has designed " the pressure release loop " that be made of relief tube and pressure relief opening that helps compressor start, and the responding ability of check valve is improved, and reverse reliability of closing improves, and the stability of refrigerator energy-saving effect improves.Cold-producing medium shunting, pressurize, pressure release multiple function have been realized with a rotary valve.
Described motor-driven valve 4 comprises valve seat 41, motor 42 and valve gap 43; Be provided with an entrance 411, pressure relief opening 412 and a plurality of outlet 413 on the described valve seat 41, described pressure relief opening 412 and outlet 413 are positioned on the upper surface of valve seat 41; Described valve gap 43 is sheathed on the top of described valve seat 41; Described motor 42 is fixedly installed on the described valve gap 43, and described motor 42 comprises stator 421 and rotor 422, and described stator 421 is arranged on the outer surface of described valve gap 43, and described rotor 422 is arranged among the inner chamber of described valve gap 43; The centre of described rotor 422 is provided with axle 4221 and described rotor 422 can be around the center line rotation of axle 4221; The lower end of described axle 4221 is fixed with the spool 44 that offers pressure-relief flow guide groove 441 and groove 442, and the upper surface of the lower surface of described spool 44 and described valve seat 41 connects, described pressure-relief flow guide groove 441 is opened on the lower surface of described spool 44, and described groove 442 penetrates described spool 44 along the thickness direction of described spool 44.
Also being provided with external power source interface 11 on the motor stator of motor-driven valve, is the motor power supply of motor-driven valve by external power source.Described motor is stepper motor.When spool 44 rotated, described motor-driven valve 4 can change between cut-off state, open mode and pressure release state.
Cut-off state is: all do not communicate between any one outlet 413 of the pressure-relief flow guide groove 441 of described spool 44 and groove 442 and described valve seat 41, pressure relief opening 412 and outlet 413 are all blocked by spool 44, all do not communicate between entrance 411 and arbitrary outlet 413 or the pressure relief opening 412.
Open mode: the groove 442 of spool 44 just be positioned at the outlet 413 directly over and pressure relief opening 412 blocked by spool 44, the groove 442 of described spool 44 communicates with the outlet 413 of described valve seat 41, the groove 442 of described entrance 411 by spool 44 is connected with outlet 413, and pressure relief opening 412 with export 413 and entrance 411 between all do not communicate.
The pressure release state: the pressure-relief flow guide groove 441 of spool 44 just is positioned at top and the groove 442 of outlet 413 and pressure relief opening 412 and is blocked by valve seat 41, all be connected between the pressure-relief flow guide groove 441 of spool 44 and the outlet 413 of described valve seat and the pressure relief opening 412, because pressure-relief flow guide groove 441 is positioned on the lower surface of spool 44 and does not penetrate described spool 44, therefore pressure-relief flow guide groove 441 only be internally just pressure relief opening 412 and outlet 413 be connected, thereby described entrance 411 does not all communicate with arbitrary outlet 413, pressure relief opening 412.
Refrigeration system comprises compressor, check valve, condenser, motor-driven valve, capillary and evaporimeter; Described compressor, check valve, condenser, motor-driven valve, capillary are connected with evaporimeter and are connected, and an end of described evaporimeter is connected with capillary, and the other end of evaporimeter is connected with compressor, form a cycle refrigeration system.The pressure relief opening of the valve seat of described motor-driven valve is connected between compressor and the check valve by relief tube, and when motor-driven valve was in the pressure release state, exhaust outlet of compressor was flowed to low pressure evaporator to a small amount of gases at high pressure in the check valve.
Valve seat is that stairstepping is cylindrical, and it is large that lower cylinder diameter is gone up cylinder, and lower cylinder is pedestal, and upper cylinder is a cylinder table with the concentric setting of lower cylinder; Described pressure relief opening and outlet are arranged on the end face of described cylinder table.Described entrance is arranged at the public boundary place of described cylinder table and valve seat, i.e. the position of intersecting of the two.Rotor is cylindrical shape, and cylinder table is positioned among the inner chamber of rotor just during assembling.Simultaneously, the center of cylinder table is provided with blind hole, so that the lower end of axle snaps among the blind hole.The rotor of motor can drive axle and spool rotates together.
The lower surface of spool and the upper surface of cylinder table connect, so that spool can cover on the pressure relief opening and outlet of valve seat just.Owing to pressure-relief flow guide groove and the groove of depression are arranged on the spool, thereby adjust the position of spool, can so that pressure relief opening and outlet communicate with described pressure-relief flow guide groove or groove.By rotational angle and the rotation direction of control step motor, can realize that motor-driven valve changes mutually between three kinds of states of appeal.
The different angle of valve core rotation is when diverse location, and the state that is connected between pressure relief opening, outlet and pressure-relief flow guide groove and the groove also changes thereupon.Because entrance is positioned at cylinder table and valve seat intersection, thereby cold-producing medium can enter within the valve pocket that is surrounded by valve gap and valve seat from entrance.When the groove on the spool when outlet on the valve seat communicates, when namely motor-driven valve was positioned at open mode, the cold-producing medium in the condenser can flow out from outlet, realizes the circulation of cold-producing medium in refrigeration system.
The spool of motor-driven valve is when initial position, and spool is all blocked pressure relief opening and outlet, and the cold-producing medium in the condenser just can't enter outlet, and motor-driven valve namely is in the state of shutoff, i.e. above-mentioned cut-off state, and the interior cold-producing medium of condenser this moment can't circulate.
Then, by stepper motor rotary rotor and spool, the pressure relief opening of valve seat all is connected with the pressure-relief flow guide groove of spool with outlet and groove is blocked, the gases at high pressure of exhaust outlet of compressor are successively by relief tube, pressure relief opening, outlet and capillary so, and then flowing to low pressure evaporator, this moment, refrigeration system was in the pressure release state.A small amount of cold-producing medium between compressor exhaust pipe and the check valve can be by the pressure release loop stream to low pressure evaporator, and check valve rapidly " response " is realized closing.On the one hand so that the cold-producing medium of the interior HTHP of compressor shutdown post-condenser can not flow into by motor-driven valve the evaporimeter of low-pressure low-temperature; kept on the other hand the high pressure potential energy of condenser inner refrigerant; can freeze rapidly when compressor starts again, avoid the energy loss of compressor start-stop process.
Be rotated further again spool, when valve core rotation to groove during with position that outlet communicates, when namely motor-driven valve was positioned at open mode, the cold-producing medium in the valve pocket can flow out from outlet, so that cold-producing medium can flow to capillary and evaporimeter from condenser.Pressure relief opening is by the spool shutoff, so that cold-producing medium can only flow to capillary and evaporimeter by condenser simultaneously.
The lower end of described valve seat is connected with many pipelines that communicate with described entrance, pressure relief opening and outlet, is respectively feed tube 8, relief tube 10 and drain pipe 9; It is one or more that its middle outlet may have one or more, corresponding drain pipe 9 also to have.Feed tube 8, relief tube 10 and drain pipe 9 are fixedly connected with the interface of valve seat bottom, are connected with entrance, pressure relief opening and outlet on the valve seat by the corresponding passage in the valve seat.Cold-producing medium enters motor-driven valve by feed tube, enters in the cavity that rotor and valve seat surround.Feed tube is connected with condenser, and drain pipe is connected with capillary.When groove is connected entrance with outlet, be connected between feed tube and the drain pipe, cold-producing medium can enter capillary and evaporimeter by motor-driven valve from condenser.
In the single round-robin system cooling system, only have an outlet and a drain pipe.In being provided with the double round robin cooling system of motor-driven valve, two outlets and two drain pipes are arranged.In three-circulation refrigerating system, three outlets and three drain pipes are arranged.Drain pipe is connected with capillary by pipeline, and cold-producing medium is inputed to capillary and evaporimeter.
Motor-driven valve of the present utility model, arrive different positions by the motor-driven valve valve core rotation, realize the functions such as refrigerator refrigerant shunting, cut-off, pressure release, make the hot cold-producing medium of high pressure in the condenser after compressor shutdown, can not enter evaporimeter, keep condenser mesohigh cold-producing medium institute tool potential energy, effectively reduce the energy loss in the refrigeration system, reach energy-conservation purpose; Utilize the pressure release loop of motor-driven valve valve core inside, moment of compressor shutdown so that check valve can be realized quick closedown, improved refrigeration system energy-saving effect and stability, have the advantages that noise is low, stability is high.The spool of motor-driven valve drives rotation by stepper motor, has overcome the in the past noise defective of bistable electromagnetic valve in commutation process, has the little advantage of noise.
The below of described rotor 422 is provided with projection, also is provided with limited block on the described valve seat 41.Rotor and valve seat one on the other, rotor is fastened on the valve seat.Rotor is tubular, and the below of rotor outer wall arranges described projection; The edge of the barrel of rotor and the lower cylindrical upper surface of valve seat fits; Limited block is located at lower cylindrical edge, can just block projection.When rotor rotated certain angle, the projection of rotor below was stopped by the limited block of epirelief on the valve seat just, with the rotational angle of restrict rotor.
Be designed with pressure-relief flow guide groove and groove on the spool, be designed with pressure relief opening and outlet on the valve seat.When the Spool rotating of motor-driven valve arrived the pressure release state, by the pressure-relief flow guide groove institute conducting of valve core inside, the cold-producing medium in the pressure relief opening can enter outlet by the pressure-relief flow guide groove between the pressure relief opening on the motor-driven valve valve seat and the outlet.When the electronic rotation valve was in cut-off state, pressure relief opening, outlet and entrance were blocked by spool, and motor-driven valve is in the state that disconnects fully.
The valve core inside of motor-driven valve has designed " the pressure release loop " that be made of relief tube and pressure relief opening that helps compressor start, and the responding ability of check valve is improved, and reverse reliability of closing improves, and the stability of refrigerator energy-saving effect improves.Cold-producing medium shunting, pressurize, pressure release multiple function have been realized with a rotary valve.
Described pressure-relief flow guide groove 441 and groove 442 are kidney slot; Described pressure-relief flow guide groove 441 is straight shape groove, and described groove 442 is deep-slotted chip breaker.Described pressure-relief flow guide groove extends along the surperficial straight line of spool, and namely the two sides of described kidney slot except the semicircle at two ends are the plane.Described groove extends along the spool camber line, and namely the two sides of described groove except the semicircle at two ends are arcwall face.Because groove is arcwall face, the center of two outlets is positioned at again on the same circumference, thereby can be so that groove can cover two outlets simultaneously.
The valve seat 41 of described motor-driven valve 4 is provided with two outlets 413.
Claims (5)
1. be provided with the double round robin cooling system of motor-driven valve, it is characterized in that, comprise compressor (1), check valve (2), condenser (3), motor-driven valve (4), capillary (5) and evaporimeter (6); Described compressor (1), check valve (2), condenser (3), motor-driven valve (4) connect successively; Described capillary (5) comprises the first capillary (51) and the second capillary (52), and described evaporimeter (6) comprises the first evaporimeter (61) and the second evaporimeter (62); Described motor-driven valve (4) is connected with the first evaporimeter (61) by the first capillary (51), and described motor-driven valve is connected with the second evaporimeter (62) by the second capillary (52); One end of described the first evaporimeter (61) is connected with described the first capillary (51), and the other end of described the first evaporimeter (61) is connected with described the second evaporimeter (62); One end of described the second capillary (52) is connected with motor-driven valve (4), and the second end of described the second capillary (52) is connected between the first evaporimeter (61) and the second evaporimeter (62); Described the second evaporimeter (62) is connected with described compressor (1); Described motor-driven valve (4) is connected by the exhaust outlet of relief tube (7) with compressor (1).
2. the double round robin cooling system that is provided with motor-driven valve according to claim 1 is characterized in that, described motor-driven valve (4) comprises valve seat (41), motor (42) and valve gap (43); Be provided with an entrance (411), a pressure relief opening (412) and a plurality of outlet (413) on the described valve seat (41), described pressure relief opening (412) and outlet (413) are positioned on the upper surface of valve seat (41); Described valve gap (43) is sheathed on the top of described valve seat (41); Described motor (42) is fixedly installed on the described valve gap (43), described motor (42) comprises stator (421) and rotor (422), described stator (421) is arranged on the outer surface of described valve gap (43), and described rotor (422) is arranged among the inner chamber of described valve gap (43); The centre of described rotor (422) is provided with the center line rotation that axle (4221) and described rotor (422) can center on axle (4221); The lower end of described axle (4221) is fixed with the spool (44) that offers pressure-relief flow guide groove (441) and groove (442), and the upper surface of the lower surface of described spool (44) and described valve seat (41) connects, described pressure-relief flow guide groove (441) is opened on the lower surface of described spool (44), and described groove (442) penetrates described spool (44) along the thickness direction of described spool (44).
3. the double round robin cooling system that is provided with motor-driven valve according to claim 2 is characterized in that, the below of described rotor (422) is provided with projection, and described valve seat also is provided with limited block on (41).
4. the double round robin cooling system that is provided with motor-driven valve according to claim 2 is characterized in that, described pressure-relief flow guide groove (441) and groove (442) are kidney slot; Described pressure-relief flow guide groove (441) is straight shape groove, and described groove (442) is deep-slotted chip breaker.
5. the double round robin cooling system that is provided with motor-driven valve according to claim 2 is characterized in that, the valve seat (41) of described motor-driven valve (4) is provided with two outlets (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204706640U CN202813916U (en) | 2012-09-16 | 2012-09-16 | Double-circulation refrigerating system with electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204706640U CN202813916U (en) | 2012-09-16 | 2012-09-16 | Double-circulation refrigerating system with electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202813916U true CN202813916U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204706640U Withdrawn - After Issue CN202813916U (en) | 2012-09-16 | 2012-09-16 | Double-circulation refrigerating system with electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202813916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818391A (en) * | 2012-09-16 | 2012-12-12 | 合肥美菱股份有限公司 | Double circulation refrigerating system with electric valve |
| WO2014040212A1 (en) * | 2012-09-16 | 2014-03-20 | 合肥美菱股份有限公司 | Electric valve and refrigeration system comprising same |
-
2012
- 2012-09-16 CN CN2012204706640U patent/CN202813916U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818391A (en) * | 2012-09-16 | 2012-12-12 | 合肥美菱股份有限公司 | Double circulation refrigerating system with electric valve |
| WO2014040212A1 (en) * | 2012-09-16 | 2014-03-20 | 合肥美菱股份有限公司 | Electric valve and refrigeration system comprising same |
| US9683765B2 (en) | 2012-09-16 | 2017-06-20 | Hefei Meiling Co., Ltd | Electric valve and refrigerating system comprising the same |
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