CN108626470A - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN108626470A CN108626470A CN201810383220.5A CN201810383220A CN108626470A CN 108626470 A CN108626470 A CN 108626470A CN 201810383220 A CN201810383220 A CN 201810383220A CN 108626470 A CN108626470 A CN 108626470A
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- stator casing
- conductively connected
- contact
- locating plate
- 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
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004080 punching Methods 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Electromagnets (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of electric expansion valves, including：Valve body；Coil, including locating plate, stator casing and it is wrapped in the insulating layer being conductively connected on the outside of stator casing, locating plate include for be conductively connected first connecting portion that stator casing is conductively connected and for the second connecting portion that is conductively connected valve body and is conductively connected, first connecting portion has the contact surface coordinated with the arc surface shape of stator casing, the contact surface is arc-shaped, is welded and fixed with stator casing.Insulating layer, which has, makes a part for the stator casing be exposed to outer chamber, and the first connecting portion is located in the chamber, and the coil further includes being filled in the indoor embedding portion of the chamber.The present invention can make the close contact of the contact surface and stator casing of first connecting portion, increase contact surface between the two, to effectively increase the contact area between locating plate and stator casing.
Description
Technical field
The present invention relates to field of air conditioning, more particularly to a kind of electric expansion valve.
Background technology
Chinese patent application CN201110288324.6 discloses a kind of electric expansion valve.It please refers to
Fig. 3 and Fig. 3-2 of CN201110288324.6, buckle are L-shaped structure, which includes the flat analysis of positioning coordinated with valve body
Portion and the insertion flat part being inserted into the first positioning groove.Transition part is integrated component with buckle, wherein transition part is
What is be stamped and formed out on being inserted into flat part sticks up tongue piece.After buckle is packed into coil, sticking up tongue piece can be overlapped on the shell of coil
Together, meanwhile, buckle coordinates with valve body, to the grounding function of coil.
It can see from the above structure of CN201110288324.6：Tongue piece is stuck up when the shell with coil is overlapped,
An actually facet is contacted with the contact of a cambered surface for line, and contact resistance is very big, and structure only leans on flanging
The pretightning force of punching press angle ensures the contact with coil, is used for a long time that there are hidden danger.
Invention content
The object of the present invention is to provide a kind of electric expansion valves simple in structure, reliability is high.
In order to solve the above technical problems, as one aspect of the present invention, a kind of electric expansion valve is provided, including：Valve
Body；Coil, including locating plate, stator casing and it is wrapped in the insulating layer being conductively connected on the outside of stator casing, it is conductively connected positioning
Piece include for be conductively connected first connecting portion that stator casing is conductively connected and for be conductively connected valve body and be conductively connected
Second connecting portion, be conductively connected first connecting portion have and be conductively connected stator casing arc surface shape cooperation contact
Face, it is arc-shaped to be conductively connected contact surface, is conductively connected contact surface and is welded and fixed with stator casing is conductively connected.
Further, being conductively connected insulating layer and having makes the part for being conductively connected stator casing be exposed to outer chamber,
Be conductively connected first connecting portion be located at be conductively connected in chamber.
Further, it is conductively connected first connecting portion and be conductively connected stator casing is conductively connected a part of welding.
Further, it further includes being filled in be conductively connected the indoor embedding portion of chamber to be conductively connected coil.
Further, it is L-shaped to be conductively connected second connecting portion, is conductively connected one end of second connecting portion and is conductively connected the
One interconnecting piece connects.
Further, it is conductively connected on the other end of second connecting portion and is formed with contact outstanding, be conductively connected contact position
It is conductively connected the side of first connecting portion in the direction for being conductively connected second connecting portion.
First connecting portion in the present invention has the matched shape in outer surface with stator casing, therefore, it is possible to make the
The close contact of the contact surface and stator casing of one interconnecting piece, increases contact surface between the two, fixed to effectively increase
Contact area between bit slice and stator casing ensure that the reliable contacts of locating plate and stator casing, have it is simple in structure, at
This low feature.
Description of the drawings
Fig. 1 diagrammatically illustrates the structural schematic diagram of the electric expansion valve in the present invention；
Fig. 2 diagrammatically illustrates the structural schematic diagram of locating plate；And
Fig. 3 diagrammatically illustrates the vertical view of Fig. 2.
Reference numeral in figure：10, valve body；20, coil；21, locating plate；22, stator casing；23, insulating layer；24, first
Interconnecting piece；25, second connecting portion；26, embedding portion；27, contact；28, stator plate；30, fixed frame.
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 Fig. 3, the present invention provides a kind of electric expansion valves, including：Valve body 10；Coil 20, including positioning
Piece 21, stator casing 22 and the insulating layer 23 for being wrapped in the outside of stator casing 22, locating plate 21 include for stator casing 22
The first connecting portion 24 being conductively connected and the second connecting portion 25 for being conductively connected with valve body 10, first connecting portion 24 have with
The contact surface of the arc surface shape cooperation of stator casing 22, the contact surface are arc-shaped, which welds with stator casing 22
It is fixed.Preferably, which is rammed in advance.Obviously, contact surface can also be other shapes, as long as can be with stator
The outer surface of shell 22 coordinates, to ensure that contact surface and the outer surface of stator casing 22 are in close contact.Preferably, coil 20
It further include stator plate 28.
First connecting portion 24 in the present invention has the matched shape in outer surface with stator casing 22, therefore, it is possible to
The close contact for making the contact surface and stator casing 22 of first connecting portion 24, increases contact surface between the two, to effectively
The contact area between locating plate 21 and stator casing is improved, the reliable contacts of locating plate and stator casing is ensure that, has
Feature simple in structure, at low cost.
In a preferred embodiment, more specifically, insulating layer 23 is outer with making a part for stator casing 22 be exposed to
Chamber, first connecting portion 24 is located in chamber.Particularly, which can carry out injection encapsulated to stator casing with shape
It is formed during at the insulating layer 23.
Preferably, first connecting portion 24 is fixedly connected with a part for stator casing 22.For example, first connecting portion 24 with it is fixed
The part welding of subshell 22, to form a fixed connection.First connecting portion 24 is inserted into the chamber, and ensures locating plate
After being in fit-state with stator casing, the modes such as laser welding can be used, first connecting portion 24 and stator casing are welded
It is connected together.
Ground structure shown in background technology is directly exposed in air, is used for a long time, and the position influence that can get rusty connects
Ground effect.Thus, it is preferable that coil 20 further includes being filled in the indoor embedding portion of chamber 26.In this way, can have been welded in locating plate
Cheng Hou is potted using materials such as epoxy resin, and corrosion is generated to prevent coil to be used for a long time.
Preferably, in one embodiment, second connecting portion 25 is L-shaped, and one end of second connecting portion 25 is connect with first
Portion 24 connects.In this way, first connecting portion forms similar T-shaped connection structure with second connecting portion.By the L-shaped structure,
Second connecting portion 25 can from inside to outside be extended out by chamber, and form bending structure to the direction of valve body, to be led with valve body
Electrical connection.
Preferably, contact 27 outstanding is formed on the other end of second connecting portion 25, contact 27 is located at second connecting portion
25 side towards first connecting portion 24.Preferably, contact 27 has spherical surface outstanding.Using the contact 27, can will touch
Point 27 is stuck in the location hole in fixed frame 30, realizes being conductively connected for the two.
Coil in the present invention can be such that coil inside structure is grounded by locating plate, and locating plate and stator casing
Welding, it is ensured that phase reliability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of electric expansion valve, including：
Valve body (10)；
Coil (20), including locating plate (21), stator casing (22) and the insulating layer being wrapped on the outside of the stator casing (22)
(23), the locating plate (21) include first connecting portion (24) for being conductively connected with the stator casing (22) and for
The second connecting portion (25) that the valve body (10) is conductively connected,
It is characterized in that,
The first connecting portion (24) has the contact surface coordinated with the arc surface shape of the stator casing (22), the contact
Face is arc-shaped, and the contact surface is welded and fixed with the stator casing (22),
The insulating layer (23), which has, makes a part for the stator casing (22) be exposed to outer chamber, the first connecting portion
(24) it is located in the chamber, the coil (20) further includes being filled in the indoor embedding portion (26) of the chamber.
2. electric expansion valve according to claim 1, which is characterized in that the second connecting portion (25) is L-shaped, described the
One end of two interconnecting pieces (25) is connect with the first connecting portion (24).
3. electric expansion valve according to claim 2, which is characterized in that shape on the other end of the second connecting portion (25)
It is located at the direction first connecting portion (24) of the second connecting portion (25) at having contact outstanding (27), the contact (27)
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383220.5A CN108626470B (en) | 2013-10-15 | 2013-10-15 | Electronic expansion valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383220.5A CN108626470B (en) | 2013-10-15 | 2013-10-15 | Electronic expansion valve |
| CN201310483581.4A CN104565475B (en) | 2013-10-15 | 2013-10-15 | Electric expansion valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483581.4A Division CN104565475B (en) | 2013-10-15 | 2013-10-15 | Electric expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626470A true CN108626470A (en) | 2018-10-09 |
| CN108626470B CN108626470B (en) | 2020-09-08 |
Family
ID=53082218
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383220.5A Active CN108626470B (en) | 2013-10-15 | 2013-10-15 | Electronic expansion valve |
| CN201310483581.4A Active CN104565475B (en) | 2013-10-15 | 2013-10-15 | Electric expansion valve |
| CN201810383676.1A Active CN108730600B (en) | 2013-10-15 | 2013-10-15 | Electronic expansion valve |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483581.4A Active CN104565475B (en) | 2013-10-15 | 2013-10-15 | Electric expansion valve |
| CN201810383676.1A Active CN108730600B (en) | 2013-10-15 | 2013-10-15 | Electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108626470B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662151B (en) * | 2017-03-28 | 2022-05-17 | 浙江三花智能控制股份有限公司 | Electronic expansion valve and refrigeration system with same |
| CN109780301B (en) * | 2017-11-15 | 2022-06-17 | 浙江盾安机械有限公司 | Coil and expansion valve for valve |
| CN110159820B (en) * | 2018-02-11 | 2022-03-25 | 盾安汽车热管理科技有限公司 | Electronic expansion valve |
| CN111765289B (en) * | 2019-04-02 | 2021-12-07 | 盾安环境技术有限公司 | Coil component and electronic expansion valve with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799087A (en) * | 2010-02-09 | 2010-08-11 | 浙江盾安禾田金属有限公司 | Coil connecting structure and electronic expansion valve |
| JP2011080583A (en) * | 2009-10-09 | 2011-04-21 | Zhejang Sanhua Co Ltd | Electronic expansion valve |
| CN202674473U (en) * | 2012-07-24 | 2013-01-16 | 浙江盾安禾田金属有限公司 | Positioning connecting structure for valve body and coil of electronic expansion valve of air conditioner |
| CN103016821A (en) * | 2011-09-26 | 2013-04-03 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN203132229U (en) * | 2013-02-28 | 2013-08-14 | 浙江三花股份有限公司 | Control valve |
| EP2642223A1 (en) * | 2012-03-22 | 2013-09-25 | TGK CO., Ltd. | Expansion valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2627868B2 (en) * | 1994-05-18 | 1997-07-09 | 太平洋工業株式会社 | Motorized valve |
| CN101930821B (en) * | 2009-06-25 | 2012-11-14 | 浙江三花股份有限公司 | Electromagnetic coil device |
| CN103307339B (en) * | 2012-03-09 | 2015-06-10 | 浙江盾安禾田金属有限公司 | Positioning and connecting structure for valve body of electronic expansion valve for air conditioner and coil |
| JP5994302B2 (en) * | 2012-03-14 | 2016-09-21 | 株式会社不二越 | Manufacturing method of solenoid valve |
-
2013
- 2013-10-15 CN CN201810383220.5A patent/CN108626470B/en active Active
- 2013-10-15 CN CN201310483581.4A patent/CN104565475B/en active Active
- 2013-10-15 CN CN201810383676.1A patent/CN108730600B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011080583A (en) * | 2009-10-09 | 2011-04-21 | Zhejang Sanhua Co Ltd | Electronic expansion valve |
| CN101799087A (en) * | 2010-02-09 | 2010-08-11 | 浙江盾安禾田金属有限公司 | Coil connecting structure and electronic expansion valve |
| CN103016821A (en) * | 2011-09-26 | 2013-04-03 | 浙江三花股份有限公司 | Electronic expansion valve |
| EP2642223A1 (en) * | 2012-03-22 | 2013-09-25 | TGK CO., Ltd. | Expansion valve |
| CN202674473U (en) * | 2012-07-24 | 2013-01-16 | 浙江盾安禾田金属有限公司 | Positioning connecting structure for valve body and coil of electronic expansion valve of air conditioner |
| CN203132229U (en) * | 2013-02-28 | 2013-08-14 | 浙江三花股份有限公司 | Control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3193048U (en) | 2014-09-11 |
| CN108730600A (en) | 2018-11-02 |
| CN104565475B (en) | 2018-11-16 |
| CN108626470B (en) | 2020-09-08 |
| CN108730600B (en) | 2020-08-04 |
| CN104565475A (en) | 2015-04-29 |
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