CN108506548A - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN108506548A CN108506548A CN201710103361.2A CN201710103361A CN108506548A CN 108506548 A CN108506548 A CN 108506548A CN 201710103361 A CN201710103361 A CN 201710103361A CN 108506548 A CN108506548 A CN 108506548A
- Authority
- CN
- China
- Prior art keywords
- ring
- solder
- weld
- valve
- valve body
- 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
- 229910000679 solder Inorganic materials 0.000 claims abstract description 117
- 230000008595 infiltration Effects 0.000 claims abstract description 60
- 238000001764 infiltration Methods 0.000 claims abstract description 60
- 238000003466 welding Methods 0.000 claims description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
- F16K27/102—Welded housings for lift-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
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Valve Housings (AREA)
Abstract
The present invention provides a kind of electric expansion valves.The electric expansion valve includes main body (1) and takes over (2), it takes over (2) and is socketed in main body (1) outside, and solder infiltration gap (3) is formed between main body (1), solder infiltration gap (3) has been placed around weld-ring (4) and blocker ring (5), the corresponding solder infiltration gap (3) of weld-ring (4) is arranged, blocker ring (5), which is set in, takes over (2) periphery, and solder is prevented to be permeated to the direction far from solder infiltration gap (3) along (2) are taken over.Electric expansion valve according to the present invention can solve the problem of that solder leads to solder skip occur readily along taking over to climb in the prior art.
Description
Technical field
The present invention relates to air-conditioning technical fields, are applied in the refrigeration systems such as air conditioner, refrigerator more particularly to a kind of
Electric expansion valve.
Background technology
Electric expansion valve is a kind of component of Electromagnetic Control, is used in the break-make or tune that medium is controlled in industrial control system
The parameters such as the flow of whole medium, to realize expected control.In refrigeration systems, electric expansion valve is then used to adjust into evaporation
The refrigerating capacity of device supplies the refrigerant of optimal dose to evaporator, ensures the stable operation of refrigeration system.The electronics of the prior art is swollen
Swollen valve arrangement, as disclosed a kind of electric expansion valve in Japan Patent (JP2009-162369), discharge connection is direct with valve seat
It is inserted into welding, without support member, strength of connection only leans on very thin by one at the material thickness and cooperation of lower connector and valve seat for left and right
The bond strength of border annulus weld seam ensures that the welded seal of this welding line structure is not ideal enough, and bond strength is less reliable.
It is installed in system, is impacted by vibration and hyperbar, there is the hidden danger to fall off with leakage.Equally, valve seat core is combined with valve seat,
There is also the defects of weldering knotting strength difference, and when side, connecting tube is passed through high pressure, and lower connector is passed through low pressure, and valve seat forms closed with cover body
Chamber it is excessively high when, valve seat core is by downward atmospheric pressure, if solder bond intensity is slightly worse, exist fall off with leakage it is hidden
Suffer from.
Application No. is 201110436124.0, a kind of entitled Chinese invention taken over the fixed structure of valve seat
A kind of fixed structure taken over valve seat is disclosed in patent application, valve seat is disposed with stage portion and auxiliary section in an axial direction,
It takes over and is sleeved on auxiliary section periphery, the peripheral part of stage portion is provided with solder receiving portion, after butt tube and valve seat implement soldering, weldering
Expect that receiving portion forms solder areas, and solder areas extends to the engaging portion taken over stage portion.
Solder receiving portion is formed using the stage portion on valve seat in this application, solder is then ensured by the solder receiving portion
Shaping position improve production yields to avoid solder attachment in the poor weld form of take over peripheral surface.But due to
Valve seat and welded between taking in this application, solder with take between contact, therefore solder is still easy by the shadow taken over
It rings, still having solder in welding climbs along taking over, and the possibility of solder skip problem occurs, therefore still can reduce electric expansion valve
Production yields.
Invention content
The object of the present invention is to provide a kind of electric expansion valve, climbed with solving solder in the prior art readily along taking over
It rises, leads to the problem of solder skip occur.
In order to solve the above technical problems, as one aspect of the present invention, a kind of electric expansion valve, including main body are provided
With take over, take over socket outside the main body, and solder infiltration gap is formed between main body, solder infiltration gap has been placed around weldering
Ring and blocker ring, weld-ring correspond to the setting of solder infiltration gap, and blocker ring, which is set in, takes over periphery, and solder edge is prevented to take over to remote
Direction infiltration from solder infiltration gap.
The electric expansion valve of the present invention is formed with solder infiltration gap at main body and the welding position taken over, and weld-ring is set
It sets at solder infiltration gap, blocker ring, which is set in, takes over periphery, and solder edge is prevented to take over to far from solder infiltration gap
Direction is permeated, blocker ring for taking over, be not easy to solder bonds together with, and the installation position of blocker ring can hinder
Gear solder climbs to the direction far from solder infiltration gap, therefore can ensure the flow direction of solder so that solder can smoothly and
It is flowed into enough in solder infiltration gap, realization body and effective welding between taking over improve weld strength.
Description of the drawings
Fig. 1 diagrammatically illustrates the sectional structure chart of the electric expansion valve of first embodiment of the invention；
Fig. 2 diagrammatically illustrates the enlarged structure schematic diagram at the L of Fig. 1；
Fig. 3 diagrammatically illustrates the sectional structure chart of the electric expansion valve of second embodiment of the invention；
Fig. 4 diagrammatically illustrates the enlarged structure schematic diagram at the M of Fig. 3；
Fig. 5 diagrammatically illustrates the sectional structure chart of the electric expansion valve of third embodiment of the invention；
Fig. 6 diagrammatically illustrates the enlarged structure schematic diagram at the N of Fig. 5；
Fig. 7 diagrammatically illustrates the sectional structure chart of the electric expansion valve of fourth embodiment of the invention.
Reference numeral in figure：1, main body；2, it takes over；3, solder infiltration gap；4, weld-ring；5, blocker ring；6, valve body；7, valve
Seat；8, mounting hole；9, flange；10, V-groove；11, catching step.
Specific implementation mode
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
It please refers to Fig.1 to shown in Fig. 7, according to an embodiment of the invention, electric expansion valve includes main body 1 and take over 2, is taken over
2 are socketed in outside main body 1, and solder infiltration gap 3 is formed between main body 1, and solder infiltration gap 3 has been placed around 4 He of weld-ring
Blocker ring 5, weld-ring 4 correspond to solder infiltration gap 3 and are arranged, and blocker ring 5 is set in 2 periphery of take over, and prevent solder along take over 2 to
Direction infiltration far from solder infiltration gap 3.
In general, in the present embodiment, relative to take over 2, blocker ring 5 is more not easy together with solder bonds,
Blocker ring 5 and take over interference fit so that solder can more be flow at solder infiltration gap 3, rather than with resistance
Baffle ring 5 is fixed and welded together.Main body 1 should select the lower steel of pyroconductivity or brass, 2 selection pyroconductivity of take over preferable
Red copper, to ensure in the welding process, can quickly reach fusing point with the solder of 2 contact portion of take over so that solder
It can be formed between take over 2 and stablize effective welding structure.
The electric expansion valve of the present invention is formed with solder infiltration gap 3, weld-ring at the welding position of main body 1 and take over 2
4 are arranged at solder infiltration gap 3, and blocker ring 5 is set in 2 periphery of take over, and solder is prevented to be permeated to far from solder along take over 2
The direction in gap 3 is permeated, blocker ring 5 for take over 2, be not easy to solder bonds together with, and the setting of blocker ring 5
Position can stop that solder climbs to the direction far from solder infiltration gap 3, therefore can ensure the flow direction of solder so that solder
It can successfully be flowed into solder infiltration gap 3, effective welding between realization body 1 and take over 2, improve weld strength.
The installation position of blocker ring 5 can be needed there are many selection depending on the installation site of weld-ring 4, it is however generally that,
In order to more efficiently prevent solder from climbing to the direction far from solder infiltration gap 3, the flowing after being melted with reference to weld-ring 4 is special
Property, blocker ring 5 is arranged in the lower section of weld-ring 4, when weld-ring 4 melts under the action of take over 2, is flowed down by gravity, by
It in the barrier effect of blocker ring 5, therefore can not flow downward after the fusing of weld-ring 4, after weld-ring 4 melts a certain amount of, weld-ring 4 is melted
Change part to be flowed into solder infiltration gap 3, forms firm welding between main body 1 and take over 2.
Preferably, blocker ring 5 is made of stainless steel.
Preferably, solder stop-off gent is coated with outside blocker ring 5, can to avoid fusing solder along blocker ring 5 surface
Flowing flows out from the outer edge of blocker ring 5, further increases barrier effect of the blocker ring 5 to solder, more efficiently ensures weldering
Material enters in solder infiltration gap 3 so that can enter enough solders in solder infiltration gap 3, avoid the occurrence of solder skip and ask
Topic ensures the welding effect between main body 1 and take over 2, ensures bonding strength between the two and stable connection.
In conjunction with shown in referring to Fig. 1 and Fig. 2, first embodiment according to the present invention, main body 1 includes valve body 6 and valve seat 7, valve
The centre of body 6 is provided with mounting hole 8, and valve seat 7 is threaded through in mounting hole 8, and take over 2 is set in the part that valve seat 7 is pierced by valve body 6
On, and solder infiltration gap 3 is formed between valve body 6, weld-ring 4 is placed between valve body 6 and take over 2.In the present embodiment, main
Body 1 uses split structure, can simplify the molding difficulty of main body 1, reduces processing cost, improves processing efficiency.Solder permeates
Gap 3 extends to the peripheral side of valve seat 7, therefore when solder is welded, and solder can be flowed to along solder infiltration gap 3
The peripheral side of valve seat 7, to be respectively formed connection that is good and stablizing between valve body 6, valve seat 7 and take over 2.
Preferably, weld-ring 4 is placed in solder infiltration gap 3, and the setting of blocker ring 5 is in 4 outside of weld-ring, and block is in solder
The side opening of infiltration gap 3.In the present embodiment, the radius of blocker ring 5 is more than the radius of weld-ring 4, therefore blocker ring 5 can
With block in the side opening of solder infiltration gap 3, and weld-ring 4 is then arranged in solder infiltration gap 3, when carrying out welding behaviour
When making, the solder after fusing, can not be from the opening stream of solder infiltration gap 3 due to the sealing barrier effect of blocker ring 5
Go out, remain in solder infiltration gap 3, to which the welding for enabling solder to be entirely applied between valve body 6 and take over 2 is made
With raising welding effect.
In the present embodiment, take over 2 can compress weld-ring, be put into soldering oven welded later, due to blocker ring 5
Top edge and lower edge are in contact with valve body 6 and take over 2 respectively, therefore can ensure that blocker ring 5 to the sealing effect of solder, has
Effect prevents solder from leaking.
In conjunction with referring to shown in Fig. 3 and Fig. 4, according to the second embodiment of the present invention, main body 1 includes valve body 6 and valve seat 7, valve
The centre of body 6 is provided with mounting hole 8, and valve seat 7 is threaded through in mounting hole 8, and take over 2 is set in the part that valve seat 7 is pierced by valve body 6
On, and solder infiltration gap 3 is formed between valve body 6, weld-ring 4 is placed on take over 2 and is formed by corner with valve body 6, stops
Ring 5 is arranged below weld-ring 4.The present embodiment and the electric expansion valve of first embodiment are essentially identical, the difference is that, at this
In embodiment, solder infiltration gap 3 is smaller, is not enough to be put into weld-ring 4, therefore weld-ring 4 prevents outside solder infiltration gap 3, and
And corresponding 3 setting of solder infiltration gap.In addition, in the present embodiment, blocker ring 5 is arranged in the lower section of weld-ring 4, can be with welding neck collar 4
Play a supporting role, at the same also can be downward to solder climb to form blocking so that solder after being melted down can more quickly
Ground enters in solder infiltration gap 3, ensures the welding effect of solder.
Blocker ring 5 in the present embodiment can be with area of section having the same relative to weld-ring 4, it is possible to have is more than weldering
The area of section of ring 4 specifically can need to select according to actual design.
The top of weld-ring 4 is in contact with the welding surface of valve body 6, can be matched with valve body, prevents from welding in the welding process
Material leakage, improves the effective rate of utilization of solder.
In conjunction with referring to shown in Fig. 5 and Fig. 6, according to the third embodiment of the invention, main body 1 includes valve body 6 and valve seat 7, valve
The centre of body 6 is provided with mounting hole 8, and valve seat 7 is threaded through in mounting hole 8, and the part that valve seat 7 stretches out valve body 6 is provided with backstop platform
Rank 11, take over 2 are set on valve seat 7, and backstop forms solder infiltration gap at catching step 11 between take over 2 and valve body 6
3, weld-ring 4 is arranged at solder infiltration gap 3, and blocker ring 5 is arranged in 4 bottom of weld-ring.
In the present embodiment, valve seat 7 forms positioning by the installation of 11 butt tube 2 of catching step, valve body 6 and valve seat 7 it
Between be also to be fixedly connected, therefore can be accurately positioned by relative position of the valve seat 7 between valve body 6 and take over 2 so that
Larger gap can be formed between the end and the welding surface of valve body 6 of take over 2, to facilitate a large amount of solder to enter, is ensured
Welding quality between valve body 6 and take over 2.
In conjunction with shown in Figure 7, according to the fourth embodiment of the invention, main body 1 includes valve body 6 and valve seat 7, valve body 6
Centre is provided with mounting hole 8, and valve seat 7 is threaded through in mounting hole 8, and take over 2 is set in valve seat 7 and is pierced by the part of valve body 6, and with
Solder infiltration gap 3 is formed between valve body 6,8 side of mounting hole of valve body 6 forms the flange 9 to 2 extension of take over.
In the present embodiment, solder infiltration gap 3 is formed between flange 9 and take over 2, since flange 9 prolongs towards take over 2
It stretches, therefore increases the operable space in 4 outside of weld-ring, operated convenient for welding neck collar 4, can more easily ensure to weld
Quality effectively avoids solder skip.
Preferably, V-groove 10 is formed between take over 2 and the flange 9 of valve body 6, weld-ring 4 is arranged in V-groove 10, blocker ring
5 are supported on the lower section of weld-ring 4.V-groove 10 can form effective positioning action with welding neck collar 4, be convenient for clamping weld-ring 4, avoid welding
Relative position occurs in the welding process for ring 4, ensures the stability of welding process.In addition, V-groove 10 can also be to the stream of solder
It is dynamic to form guiding function so that solder can more easily enter at solder infiltration gap 3, and can enter in solder
After in solder infiltration gap 3, more solders are gathered in the outside of solder infiltration gap 3, are further ensured that welding matter
Amount improves solder yield.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric expansion valve, which is characterized in that including main body (1) and take over (2), take over (2) are socketed in the master
Body (1) outside, and forms solder infiltration gap (3) between the main body (1), and the solder infiltration gap (3) has been placed around
Weld-ring (4) and blocker ring (5), corresponding solder infiltration gap (3) setting of the weld-ring (4), the blocker ring (5) are set in
It is described to take over (2) periphery, and prevent solder from taking over (2) described in and permeated to the direction far from the solder infiltration gap (3).
2. electric expansion valve according to claim 1, which is characterized in that the blocker ring (5) is made of stainless steel.
3. electric expansion valve according to claim 1, which is characterized in that the blocker ring (5) is coated with solder choked flow outside
Agent.
4. electric expansion valve according to any one of claim 1 to 3, which is characterized in that the main body (1) includes valve body
(6) and valve seat (7), the centre of the valve body (6) are provided with mounting hole (8), and the valve seat (7) is threaded through the mounting hole (8)
It is interior, it is described take over (2) and be set in the valve seat (7) be pierced by the part of the valve body (6), and the shape between the valve body (6)
At the solder infiltration gap (3), mounting hole (8) side of the valve body (6) is formed to the flange taken over (2) and extended
(9)。
5. electric expansion valve according to claim 4, which is characterized in that the flange for taking over (2) and the valve body (6)
(9) V-groove (10) is formed between, in the V-groove (10), the blocker ring (5) is supported on described for weld-ring (4) setting
The lower section of weld-ring (4).
6. electric expansion valve according to any one of claim 1 to 3, which is characterized in that the main body (1) includes valve body
(6) and valve seat (7), the centre of the valve body (6) are provided with mounting hole (8), and the valve seat (7) is threaded through the mounting hole (8)
It is interior, it is described take over (2) and be set in the valve seat (7) be pierced by the part of the valve body (6), and the shape between the valve body (6)
At the solder infiltration gap (3), the weld-ring (4) is placed on the valve body (6) and described takes between (2).
7. electric expansion valve according to claim 6, which is characterized in that the weld-ring (4) is placed on the solder infiltration
In gap (3), blocker ring (5) setting is on the outside of the weld-ring (4), and block is in the week of the solder infiltration gap (3)
At side opening.
8. electric expansion valve according to any one of claim 1 to 3, which is characterized in that the main body (1) includes valve body
(6) and valve seat (7), the centre of the valve body (6) are provided with mounting hole (8), and the valve seat (7) is threaded through the mounting hole (8)
It is interior, it is described take over (2) and be set in the valve seat (7) be pierced by the part of the valve body (6), and the shape between the valve body (6)
At the solder infiltration gap (3), the weld-ring (4) is placed on take over (2) and is formed by turning with the valve body (6)
Place, blocker ring (5) setting is below the weld-ring (4).
9. electric expansion valve according to claim 8, which is characterized in that the top of the weld-ring (4) and the valve body (6)
Welding surface be in contact.
10. electric expansion valve according to any one of claim 1 to 3, which is characterized in that the main body (1) includes valve
The centre of body (6) and valve seat (7), the valve body (6) is provided with mounting hole (8), and the valve seat (7) is threaded through the mounting hole
(8) in, the part that the valve seat (7) stretches out the valve body (6) is provided with catching step (11), and take over (2) are set in institute
It states on valve seat (7), and backstop, at the catching step (11), described take between (2) and the valve body (6) forms the weldering
Expect that infiltration gap (3), the weld-ring (4) are arranged at the solder infiltration gap (3), the blocker ring (5) is arranged described
Weld-ring (4) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103361.2A CN108506548B (en) | 2017-02-24 | 2017-02-24 | Electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103361.2A CN108506548B (en) | 2017-02-24 | 2017-02-24 | Electronic expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506548A true CN108506548A (en) | 2018-09-07 |
| CN108506548B CN108506548B (en) | 2022-03-08 |
Family
ID=63373818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103361.2A Active CN108506548B (en) | 2017-02-24 | 2017-02-24 | Electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506548B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607783A (en) * | 2022-01-26 | 2022-06-10 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration equipment |
| EP3904734A4 (en) * | 2018-12-25 | 2022-12-14 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and air conditioning system using same |
| WO2023241260A1 (en) * | 2022-06-16 | 2023-12-21 | 广东威灵电机制造有限公司 | Electronic expansion valve |
| US11959561B2 (en) | 2019-03-13 | 2024-04-16 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and refrigeration system |
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| CN101956830A (en) * | 2009-07-17 | 2011-01-26 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102128295A (en) * | 2010-01-13 | 2011-07-20 | 浙江三花股份有限公司 | Electrically operated valve |
| CN103174860A (en) * | 2011-12-22 | 2013-06-26 | 浙江三花股份有限公司 | Fixing structure of connecting tube and valve seat |
| CN203431205U (en) * | 2013-08-15 | 2014-02-12 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| JP5684746B2 (en) * | 2012-02-10 | 2015-03-18 | 株式会社鷺宮製作所 | Expansion valve |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956830A (en) * | 2009-07-17 | 2011-01-26 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102128295A (en) * | 2010-01-13 | 2011-07-20 | 浙江三花股份有限公司 | Electrically operated valve |
| CN103174860A (en) * | 2011-12-22 | 2013-06-26 | 浙江三花股份有限公司 | Fixing structure of connecting tube and valve seat |
| JP5684746B2 (en) * | 2012-02-10 | 2015-03-18 | 株式会社鷺宮製作所 | Expansion valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3904734A4 (en) * | 2018-12-25 | 2022-12-14 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and air conditioning system using same |
| US11796234B2 (en) | 2018-12-25 | 2023-10-24 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and air conditioning system with electronic expansion valve |
| US11959561B2 (en) | 2019-03-13 | 2024-04-16 | Zhejiang Dunan Artificial Environment Co., Ltd. | Electronic expansion valve and refrigeration system |
| CN114607783A (en) * | 2022-01-26 | 2022-06-10 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration equipment |
| WO2023241260A1 (en) * | 2022-06-16 | 2023-12-21 | 广东威灵电机制造有限公司 | Electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108506548B (en) | 2022-03-08 |
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