CN104879967A - Two-way electronic expansion valve - Google Patents
Two-way electronic expansion valve Download PDFInfo
- Publication number
- CN104879967A CN104879967A CN201410070993.XA CN201410070993A CN104879967A CN 104879967 A CN104879967 A CN 104879967A CN 201410070993 A CN201410070993 A CN 201410070993A CN 104879967 A CN104879967 A CN 104879967A
- Authority
- CN
- China
- Prior art keywords
- valve
- electronic expansion
- wall
- blind hole
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a two-way electronic expansion valve. The two-way electronic expansion valve installation comprises a valve base, an upper valve wall installed on the upper side of the valve base, a lower valve wall installed on the lower side of the valve base, a shielding can installed on the upper valve wall, a rotating shaft, an upper valve and a lower valve, and the upper valve and the lower valve are installed on the rotating shaft and are respectively arranged at the upper side and the lower side of the valve base. Compared with the prior art, the two-way electronic expansion valve is advantaged in that by arranging the upper valve and the lower valve, the opening/closing degree is adjusted by means of circular motions, and therefore the opening/closing speed of the two-way electronic expansion valve can be increased.
Description
Technical field
The present invention relates to a kind of bidirectional electronic expansion valve, belong to air supply rate or flow control component.
Background technology
Refrigeration system evaporation controller and expansion valve; the electronic type occurred up till now from initial mechanical type has had for a long time; its action principle in simple terms; it is the eruption according to evaporator superheat FEEDBACK CONTROL cold-producing medium; thus reach cold-producing medium and evaporate completely in evaporimeter, the application refrigerating capacity of maximal efficiency and protection compressor.
Mechanical type expansion valve the earliest, adopts temperature-sensitive bag feedback temperature, and awl or valve cage control flow, and complex structure, cost is high, and technological process is long, and control efficiency is lower.
To last century Mo, along with the maturation of stepper motor micromation, realizing electronic expansion valve becomes possibility.Relative mechanical formula expansion valve, electric expansion valve have cost low, control directly perceived, temperature can be adopted, pressure realizes multiple control and the advantage such as to raise the efficiency.
Electric expansion valve in the market adopts pushing-needle type mostly, its operation principle be according to evaporimeter feedback temperature or pressure signal, send pulse signal by driver, control step motor stator drive be positioned at valve body magnet rotor rotate.Rotor drives awl to do upper and lower displacement by screw rod, by with valve opening coordinate the change realizing openings of sizes, thus control the increase of flow or reduction.
But existing pushing-needle type electronic expansion valve has following shortcoming:
(1). awl displacement is limited in above-below direction, and coordinate with valve opening and control flow, effective travel is shorter;
(2). awl coordinates realization to move up and down with screw rod, is limited to screw-rod structure, and the upper and lower displacement that revolving turns around causes only has a tooth distance, therefore show the unlatching of valve, close needed for time longer;
(3). on the circulation passage of electric expansion valve, because the impact of forward and reverse stream pressure on awl is antipodal, show valve be functionally exactly when refrigeration system switch freeze, heat time, pushing-needle type electric expansion valve maximum working pressure is distinguished to some extent forward and reverse;
(4). for keeping the stability of refrigeration system, usually in refrigeration, heat in the flow direction and all need employing pushing-needle type expansion valve, because the metering orifice coordinated with awl in pushing-needle type electric expansion valve is preset according to maximum stream flow, if flow of refrigerant is through two gauge orifices during forward and reverse switching, second throttle phenomenon can be caused, therefore also need the transformation arranging by-passing valve and the pipeline cooperation flow direction, these all increase system cost, extend the technological process of production;
(5). according to the requirement of environmental protection, cold-producing medium upgrades to R410a or R407c by from the R22 usually adopted at present, and system pressure will raise further for this reason, and current pushing-needle type electric expansion valve is limited to the reason of structure, withstand voltage limited, can not in new system normal practical function.
In view of the above problems, be necessary to improve existing technology, to solve the problems of the technologies described above.
Summary of the invention
For the deficiencies in the prior art, the technical problem that the present invention solves is to provide a kind of bidirectional electronic expansion valve, and this bidirectional electronic expansion valve comparatively fast can open, cut out.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of bidirectional electronic expansion valve, comprises valve seat, is arranged on upper valve wall on the upside of valve seat, is arranged on lower valve wall on the downside of valve seat, turning cylinder and installs on the rotating shaft and lay respectively at upper valve and the lower valve of the upper and lower both sides of valve seat; Described valve seat is provided with and runs through described valve seat and the axis hole passed for turning cylinder and the through hole for airflow along axis, the upper wall of described valve seat, lower wall offer the first blind hole and the second blind hole respectively, its sidewall offers the first mounting groove and the second mounting groove that are connected with the first blind hole, the second blind hole respectively, described first blind hole, the first mounting groove form first passage, and described second blind hole, the second mounting groove form second channel; Form the first cavity between described upper valve wall, valve seat, form the second cavity between described lower valve wall, valve seat, described upper valve is positioned at the first cavity and matches with the first blind hole, and lower valve is positioned at the second cavity and matches with the second blind hole; Described upper valve, lower valve are movably arranged on described turning cylinder, and can rotate under the effect of turning cylinder.
Further, described upper valve comprises valve plate and upper flexible member, and described upper valve plate is movably arranged on turning cylinder by upper flexible member, and under the effect of upper flexible member, support valve seat upper wall; Described lower valve comprises lower valve plate and lower flexible member, and described lower valve plate is movably arranged on turning cylinder by lower flexible member, and under the effect of lower flexible member, support valve seat lower wall.
Further, described upper flexible member, lower flexible member are spring.
Further, described valve seat upper wall, lower wall are respectively arranged with restriction described upper valve, lower valve rotate upper stop column and lower stop column.
Further, the axis of described first blind hole, the second blind hole, axis hole and through hole is parallel to each other.
Further, described upper valve wall is also provided with cage, and described cage is U-shaped.
Further, described bidirectional electronic expansion valve also comprises decelerator and magnetic shaft coupling, described magnetic shaft coupling comprises the inner ring matched with described decelerator and the outer ring be coupled with described inner ring, described inner ring is positioned at outside described first cavity, and described outer ring is positioned at described first cavity and drives described turning cylinder to rotate.
Further, described turning cylinder comprises the first installation portion, the second installation portion and connects the connecting portion of described first installation portion and the second installation portion, and described first installation portion is arranged on described outer ring, and described second installation portion is arranged on described lower valve wall.
Further, the cross section of described connecting portion is in square.
The invention has the beneficial effects as follows: compared to prior art, bidirectional electronic expansion valve of the present invention by arranging upper valve, lower valve coordinate circular motion to regulate out entire amplitude, thus improves unlatching, the closing velocity of bidirectional electronic expansion valve.
Accompanying drawing explanation
Fig. 1 is the generalized section of bidirectional electronic expansion valve of the present invention.
Fig. 2 is the generalized section of the valve seat of bidirectional electronic expansion valve of the present invention.
Fig. 3 is the top view of the valve seat of bidirectional electronic expansion valve of the present invention.
Fig. 4 is the schematic diagram of the turning cylinder of bidirectional electronic expansion valve of the present invention.
Fig. 5 is the valve seat of bidirectional electronic expansion valve of the present invention, the top view of upper valve plate.
Fig. 6 is upper valve plate another view on valve seat of bidirectional electronic expansion valve of the present invention.
Fig. 7 is the another view of upper valve plate on valve seat of bidirectional electronic expansion valve of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the drawings and specific embodiments.
Refer to shown in Fig. 1, present invention is disclosed a kind of bidirectional electronic expansion valve 100, it can be applied in air-conditioning system as restricting element.Described air-conditioning system comprises compressor, condenser, evaporimeter, four-way change-over valve and described bidirectional electronic expansion valve 100.The operation principle of air-conditioning system is prior art, repeats no more in this.
Refer to shown in Fig. 1, the execution unit 30 that described bidirectional electronic expansion valve 100 comprises power part 10, the magnetic shaft coupling 20 matched with described power part 10 and matches with described magnetic shaft coupling 20.
Refer to shown in Fig. 1, the decelerator 12 that described power part 10 comprises stator 11, matches with described stator 11, described stator 11 drives described decelerator 12 to operate, and described decelerator 12, in order to reduce rotating speed, increases torque.
Refer to shown in Fig. 1, described magnetic shaft coupling 20 comprises the inner ring 21 matched with described decelerator 12 and the outer ring 22 be coupled with described inner ring 21.Described decelerator 12 drives described inner ring 21 to rotate, and described inner ring 21 drives described outer ring 22 to rotate.
Refer to shown in Fig. 1, described execution unit 30 comprises valve seat 31, be arranged on upper valve wall 32 on the upside of described valve seat 31, be arranged on the lower valve wall 33 on the downside of valve seat 31, the cage 34 be arranged on described upper valve wall 32, the turning cylinder 35 be arranged on described outer ring 22, be arranged on the first pipeline 36 on described valve seat 31 and second pipe 37 and be arranged on described turning cylinder 35 and lay respectively at upper valve 38 and the lower valve 39 of described valve seat about 31 both sides.
Refer to Fig. 2 and shown in composition graphs 1, Fig. 3, described valve seat 31 roughly in cylindric, its axis direction is provided with the axis hole 311 and through hole 316 that run through described valve seat 31, and described axis hole 311 passes for described turning cylinder 35, and described through hole 316 air feed flows through.The upper wall, lower wall of described valve seat 31 offer the first blind hole 312 and the second blind hole 313 respectively, described first blind hole 312 runs through described upper wall, described second blind hole 313 runs through described lower wall, described first blind hole 312, second blind hole 313 is positioned at the both sides of described axis hole 311, and the axis of described first blind hole 312, second blind hole 313 parallels with the axis of described axis hole 311, through hole 316.The sidewall of described valve seat 31 also offers the first mounting groove 314 be connected with described first blind hole 312 and the second mounting groove 315 be connected with described second blind hole 313, described first mounting groove 314 is perpendicular to described first blind hole 312, and described second mounting groove 315 is perpendicular to described second blind hole 313.In the present embodiment, although the first mounting groove 314 is perpendicular to the first blind hole 312, second mounting groove 315 is perpendicular to the second blind hole 313, but in other embodiments, the first mounting groove 314 and the angle that formed between the first blind hole 312, second mounting groove 315 and the second blind hole 313 can also be obtuse angle or acute angle.Described first pipeline 36 is arranged in described first mounting groove 314, and described second pipe 37 is arranged in described second mounting groove 315.Described first blind hole 312, first mounting groove 314 and the first pipeline 36 form first passage, and described second blind hole 313, second mounting groove 315 and second pipe 37 form second channel.In described first blind hole 312, second blind hole 313, one is inlet hole, and another is outlet opening; Correspondingly, in described first passage, second channel, one is intake channel, and another is exit passageway.The upper wall of described valve seat 31, lower wall are also respectively arranged with stop column 317 and lower stop column 318, and described lower stop column is identical with upper stop column 317 structure.
Refer to shown in Fig. 1, described upper valve wall 32 is arranged on the upside of described valve seat 31.Described cage 34 is generally u-shaped, is arranged on described upper valve wall 32.Described cage 34, upper valve wall 32 and valve seat 31 form a first airtight cavity 321 jointly.Described outer ring 22 is positioned at described first cavity 321, and described inner ring 21 is positioned at outside described first cavity 321.Because stator 11, decelerator 12 and inner ring 21 are arranged on outside execution unit 30, thus when controllor for step-by-step motor or stator break down, still can manually control to make bidirectional electronic expansion valve 100 continuous firing.Described lower valve wall 33 is arranged on the downside of described valve seat 31, and and forms the second airtight cavity 331 between described valve seat 31.Described first cavity 321, second cavity 331 is interconnected by described through hole 316.
Refer to shown in Fig. 4, described turning cylinder 35 comprises the first installation portion 351, second installation portion 352 and connects the connecting portion 353 of described first installation portion 351 and the second installation portion 352.The cross section of described connecting portion 353 is in square.In the present embodiment, although the cross section of described connecting portion 353 is in square, in other embodiments, the cross section of described connecting portion 353 can also be other non-circular figure, such as: regular pentagon, regular hexagon.Described first installation portion 351 is arranged on described outer ring 22, and described second installation portion 352 is arranged on described lower valve wall 33.Described outer ring 22 is rotated under the driving of described inner ring 21, and drives described turning cylinder 35 to rotate.
Refer to Fig. 1 and composition graphs 5, shown in Fig. 6, Fig. 7, described upper valve 38 comprises valve plate 381 and upper flexible member 382, and described upper valve plate 381 is arranged on the connecting portion 353 of described turning cylinder 35 by described upper flexible member 382.Described lower valve 39 comprises lower valve plate 391 and lower flexible member 392, and described lower valve plate 391 is arranged on the connecting portion 353 of described turning cylinder 35 by described lower flexible member 392.In the present embodiment, described upper flexible member 382, lower flexible member 392 are spring.Described upper valve plate 381 is positioned at described first cavity 321, and on described flexible member 382 effect under support the upper wall of described valve seat 31.Described lower valve plate 391 is positioned at described second cavity 331, and supports the lower wall of described valve seat 31 under the effect of described lower flexible member 392.
Refer to Fig. 5 and shown in composition graphs 6, Fig. 7, described upper valve plate 381, in cam-like, is provided with the installing hole 383 matched with the connecting portion 353 of described turning cylinder 35.Described upper valve plate 381 is movably arranged on described turning cylinder 35 by described installing hole 383, and can move along described turning cylinder 35 under the effect of air-flow.The structure of described lower valve plate 391 is identical with the structure of described upper valve plate 381, is not repeating in this.The cam curve of described upper valve plate 381, lower valve plate 391 matches with described first blind hole 312, second blind hole 313, thus controls the air-flow turnover amount of described first passage, second channel.The cam curve of described upper valve plate 381, lower valve plate 391 can be arranged according to the demand of user.
Refer to shown in Fig. 5, Fig. 6, Fig. 7, when using bidirectional electronic expansion valve 100 of the present invention, when first passage is intake channel, when second channel is exit passageway, air-flow flows to the first blind hole 312 through the first pipeline 36, and the upper valve plate 381 of promotion moves and compresses flexible member 382, thus valve plate 381 is separated with the upper wall of valve seat 31, and then make air-flow flow to the first cavity 321 through the first blind hole 312, and then via through holes 316 flows to the second cavity 331.When air-flow flows in second pipe 37 from the second cavity 331, air-flow is consistent to the force direction of described lower valve plate 391 with the force direction of described lower flexible member 392 to described lower valve plate 391, therefore lower valve plate 391 is close on the lower wall of described valve seat 31, thus the gap 394 being formed and flow out for air-flow of matching with described second blind hole 313.Then, air-flow flows to described second blind hole 313 through described gap 394 again, then flows in second pipe 37.When needing the uninterrupted controlling air-flow, described power part 10 drives described magnetic shaft coupling 20 to operate, described magnetic shaft coupling 20 drives described turning cylinder 35 to rotate, thus drive described upper valve plate 381, lower valve plate 391 rotates, and then control the size in described gap 394, thus realize controlling air flow rate size.Because upper valve plate 381 is separated with valve seat 31, thus make the effective admission sectional area of inlet end be greater than the sectional area of effectively giving vent to anger of outlet side, and then avoid causing throttling to affect on air-flow.When first passage is exit passageway, when second channel is intake channel, the motion process of air-flow is contrary with said process, therefore repeats no more.
Compared to prior art, bidirectional electronic expansion valve 100 of the present invention has following beneficial effect:
(1) needle, by the upper valve plate of circular motion, lower valve plate replacing vertically movement in prior art carries out opening, closing control, thus can reasonably adjust out entire amplitude, and execution speed soon, improves the reaction speed of air-conditioning system.In addition, this kind of design can realize the uniformity of forward and reverse function.Simplify refrigeration system integrated technique, avoid arranging the unit such as bypass line and by-passing valve, can with a products substitution two pushing-needle type electric expansion valves.
(2), due to the valve plate of inlet end can depart from valve seat under the effect of air-flow, thus make the effective admission sectional area of inlet end be greater than the sectional area of effectively giving vent to anger of outlet side, and then effectively can avoid second throttle.
(3), normally can work in High Pressure Difference operating mode, thus meet the upgrading demand of environmental protection refrigerant.
(4), freely flow changing curve can be set the demand different according to client.
(5), when controllor for step-by-step motor or stator break down, still can manually control to make bidirectional electronic expansion valve continuous firing.
Of particular note, for the person of ordinary skill of the art, done for equivalence change of the present invention under the teachings of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (9)
1. a bidirectional electronic expansion valve, is characterized in that: comprise valve seat, be arranged on upper valve wall on the upside of valve seat, be arranged on lower valve wall on the downside of valve seat, turning cylinder and install on the rotating shaft and lay respectively at upper valve and the lower valve of the upper and lower both sides of valve seat; Described valve seat is provided with and runs through described valve seat and the axis hole passed for turning cylinder and the through hole for airflow along axis, the upper wall of described valve seat, lower wall offer the first blind hole and the second blind hole respectively, its sidewall offers the first mounting groove and the second mounting groove that are connected with the first blind hole, the second blind hole respectively, described first blind hole, the first mounting groove form first passage, and described second blind hole, the second mounting groove form second channel; Form the first cavity between described upper valve wall, valve seat, form the second cavity between described lower valve wall, valve seat, described upper valve is positioned at the first cavity and matches with the first blind hole, and lower valve is positioned at the second cavity and matches with the second blind hole; Described upper valve, lower valve are movably arranged on described turning cylinder, and can rotate under the effect of turning cylinder.
2. bidirectional electronic expansion valve as claimed in claim 1, it is characterized in that: described upper valve comprises valve plate and upper flexible member, described upper valve plate is movably arranged on turning cylinder by upper flexible member, and under the effect of upper flexible member, support valve seat upper wall; Described lower valve comprises lower valve plate and lower flexible member, and described lower valve plate is movably arranged on turning cylinder by lower flexible member, and under the effect of lower flexible member, support valve seat lower wall.
3. bidirectional electronic expansion valve as claimed in claim 2, is characterized in that: described upper flexible member, lower flexible member are spring.
4. bidirectional electronic expansion valve as claimed in claim 1, is characterized in that: described valve seat upper wall, lower wall are respectively arranged with the described upper valve of restriction, upper stop column that lower valve rotates and lower stop column.
5. bidirectional electronic expansion valve as claimed in claim 1, is characterized in that: the axis of described first blind hole, the second blind hole, axis hole and through hole is parallel to each other.
6. bidirectional electronic expansion valve as claimed in claim 1, is characterized in that: described upper valve wall is also provided with cage, and described cage is U-shaped.
7. bidirectional electronic expansion valve as claimed in claim 1, it is characterized in that: described bidirectional electronic expansion valve also comprises decelerator and magnetic shaft coupling, described magnetic shaft coupling comprises the inner ring matched with described decelerator and the outer ring be coupled with described inner ring, described inner ring is positioned at outside described first cavity, and described outer ring is positioned at described first cavity and drives described turning cylinder to rotate.
8. bidirectional electronic expansion valve as claimed in claim 7, it is characterized in that: described turning cylinder comprises the first installation portion, the second installation portion and connects the connecting portion of described first installation portion and the second installation portion, described first installation portion is arranged on described outer ring, and described second installation portion is arranged on described lower valve wall.
9. bidirectional electronic expansion valve as claimed in claim 8, is characterized in that: the cross section of described connecting portion is in square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070993.XA CN104879967B (en) | 2014-02-28 | 2014-02-28 | Two-way electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070993.XA CN104879967B (en) | 2014-02-28 | 2014-02-28 | Two-way electronic expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879967A true CN104879967A (en) | 2015-09-02 |
| CN104879967B CN104879967B (en) | 2017-04-12 |
Family
ID=53947562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410070993.XA Active CN104879967B (en) | 2014-02-28 | 2014-02-28 | Two-way electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879967B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101020A (en) * | 2016-02-22 | 2017-08-29 | 浙江盾安禾田金属有限公司 | A kind of dehumidifying motor-driven valve of air-conditioning system |
| CN107559433A (en) * | 2016-06-30 | 2018-01-09 | 浙江盾安禾田金属有限公司 | A kind of dehumidifying electric expansion valve of air-conditioning system |
| CN110780137A (en) * | 2019-11-07 | 2020-02-11 | 郑中光 | High-temperature-resistant testing device for electronic components |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989419A (en) * | 1995-09-20 | 1997-04-04 | Tgk Co Ltd | Bidirectional supercooling expansion valve |
| JP2002195699A (en) * | 2000-12-26 | 2002-07-10 | Saginomiya Seisakusho Inc | Bidirectional solenoid valve and air conditioner provided with the valve |
| CN1673589A (en) * | 2005-03-31 | 2005-09-28 | 烟台蓝德空调工业科技有限公司 | Double-flow direction electronic expansion valve |
| CN101135391A (en) * | 2006-08-29 | 2008-03-05 | 浙江春晖智能控制股份有限公司 | Second throttle bidirectional heat expansion valve |
| CN101886718A (en) * | 2009-05-13 | 2010-11-17 | 浙江三花股份有限公司 | Two-way thermal expansion valve |
-
2014
- 2014-02-28 CN CN201410070993.XA patent/CN104879967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989419A (en) * | 1995-09-20 | 1997-04-04 | Tgk Co Ltd | Bidirectional supercooling expansion valve |
| JP2002195699A (en) * | 2000-12-26 | 2002-07-10 | Saginomiya Seisakusho Inc | Bidirectional solenoid valve and air conditioner provided with the valve |
| CN1673589A (en) * | 2005-03-31 | 2005-09-28 | 烟台蓝德空调工业科技有限公司 | Double-flow direction electronic expansion valve |
| CN101135391A (en) * | 2006-08-29 | 2008-03-05 | 浙江春晖智能控制股份有限公司 | Second throttle bidirectional heat expansion valve |
| CN101886718A (en) * | 2009-05-13 | 2010-11-17 | 浙江三花股份有限公司 | Two-way thermal expansion valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101020A (en) * | 2016-02-22 | 2017-08-29 | 浙江盾安禾田金属有限公司 | A kind of dehumidifying motor-driven valve of air-conditioning system |
| CN107559433A (en) * | 2016-06-30 | 2018-01-09 | 浙江盾安禾田金属有限公司 | A kind of dehumidifying electric expansion valve of air-conditioning system |
| CN107559433B (en) * | 2016-06-30 | 2020-11-06 | 重庆华超金属有限公司 | Dehumidification electronic expansion valve of air conditioning system |
| CN110780137A (en) * | 2019-11-07 | 2020-02-11 | 郑中光 | High-temperature-resistant testing device for electronic components |
| CN110780137B (en) * | 2019-11-07 | 2021-11-09 | 山东龙为检测技术有限公司 | High-temperature-resistant testing device for electronic components |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879967B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102644785B (en) | Electronic expansion valve | |
| CN104879967A (en) | Two-way electronic expansion valve | |
| CN202065504U (en) | Electric switch valve and refrigerator using same | |
| EP3064811B1 (en) | Electronic expansion valve | |
| CN104154627A (en) | Control method of outdoor fan motors of air conditioner | |
| CN103912969A (en) | Air outlet air volume adjustable air-conditioning system | |
| CN202091557U (en) | Electric switching valve and refrigerator using same | |
| JP2016166710A5 (en) | ||
| CN100552328C (en) | The R410A refrigeration system self-adapting adjustment type expansion valve | |
| CN103047734A (en) | Control method of air conditioner capable of linearly adjusting indoor wind wheel rotating speed | |
| CN106949581B (en) | Variable frequency air conditioning system and control method thereof | |
| CN204214160U (en) | Novel year round cooling unit | |
| CN104565476B (en) | Electronic expansion valve | |
| CN102220958B (en) | Stepless adjustment device for air quantity of reciprocating compressor intake valve | |
| CN203322351U (en) | Bidirectional panel electronic expansion valve | |
| CN104235412B (en) | Bidirectional plate formula electric expansion valve | |
| KR20160099856A (en) | Damper for controling air volume of air conditioner | |
| CN210772908U (en) | Electronic expansion valve and air conditioner | |
| CN210196498U (en) | Throttle valve and air conditioner | |
| KR20210041333A (en) | Capacity control valve of air conditioner compressor for vehicle | |
| CN106352111B (en) | A kind of electromagnetic pilot-operated triple valve and air-conditioning system | |
| CN215172462U (en) | Four-way reversing valve of air conditioner | |
| CN202835952U (en) | Electronic expansion valve | |
| CN204006831U (en) | Throttle check integral valve | |
| CN107782024B (en) | Throttling device and refrigeration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: 215138, 99, Xiang Lu, C District, Cheng Cheng lake science and Technology Development Zone, Suzhou, Jiangsu, Xiangcheng District Patentee after: Suzhou Kai Tai Environmental Protection Technology Co.,Ltd. Address before: 215300, No. 7, No. 108, organ Road, SME Development Zone, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: KUNSHAN LINGKE ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240515 Address after: Room 126, Building 3, No. 6 Kecheng Road, Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Zhongtai Xinsheng Technology Co.,Ltd. Country or region after: China Address before: 215138 No. 99 Xianglu Road, Zone C, Chenghu Science and Technology Development Zone, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou Kai Tai Environmental Protection Technology Co.,Ltd. Country or region before: China |