CN206338987U - Electric expansion valve and air-conditioning system - Google Patents
Electric expansion valve and air-conditioning system Download PDFInfo
- Publication number
- CN206338987U CN206338987U CN201621270817.1U CN201621270817U CN206338987U CN 206338987 U CN206338987 U CN 206338987U CN 201621270817 U CN201621270817 U CN 201621270817U CN 206338987 U CN206338987 U CN 206338987U
- Authority
- CN
- China
- Prior art keywords
- electric expansion
- porous media
- expansion valve
- media block
- valve
- 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.)
- Active
Links
Classifications
-
- 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
- Details Of Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a kind of electric expansion valve and air-conditioning system, wherein, the electric expansion valve includes：Valve body, valve body has valve pocket, the inlet and outlet connected with valve pocket；Needle, is installed on valve body and one end is extended in valve pocket, to adjust the size of outlet；Escaping pipe, with outlet；And air inlet pipe, and inlet communication, porous media block is provided with air inlet pipe.On the one hand the larger bubble of volume in refrigerant can be divided into the bubble of small volume or break bubble by the porous media block, on the other hand the refrigerant entered in valve pocket can also be uniformly distributed, so that the needle avoided in valve pocket impacts and generation vibrations by bubble impact or by the refrigerant of skewness in air inlet pipe, and then significantly reduce noise produced during electric expansion valve work.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly to a kind of electric expansion valve and air-conditioning system.
Background technology
The aperture of electric expansion valve can adjust within the specific limits, and it is frequently utilized for the stream for adjusting refrigerant in air-conditioning system
Amount, to play a part of reducing pressure by regulating flow.
However, when the refrigerant in air-conditioning system flows through electric expansion valve, if into the refrigerant distribution in electric expansion valve not
When or in refrigerant carrying bubble, then needle can be caused to be impacted and trigger vibrations, and then made a noise, influence user's
Experience.
Utility model content
Main purpose of the present utility model is to propose a kind of electric expansion valve, it is intended to reduce making an uproar for electric expansion valve generation
Sound.
To achieve the above object, the utility model proposes a kind of electric expansion valve, it includes：
Valve body, the valve body has valve pocket, the inlet and outlet connected with the valve pocket；
Needle, is installed on the valve body and one end is extended in the valve pocket, to adjust the size of the outlet；
Escaping pipe, with the outlet；And,
The porous media block that porous media material is made is provided with air inlet pipe, and the inlet communication, the air inlet pipe.
Preferably, the porosity of the porous media block is 50%~90%.
Preferably, the aperture of the porous media block is 0~0.2mm.
Preferably, the porous media block is set back to the end concave-convex surface of the import.
Preferably, the porous media block is cylindrical is set.
Preferably, the air inlet pipe has the larger first paragraph in aperture and is connected with the first paragraph and aperture is smaller
Second segment, the first paragraph and the inlet communication；
One end of the porous media block is abutted with the junction of the first paragraph and second segment, the other end and the import
Periphery abut.
Preferably, the porous media block is threadedly coupled with the air inlet pipe.
Preferably, the outer end of the import extends out make it that the import is set in stepped hole towards surrounding；
One end of the air inlet pipe is attached to the outer end of the import and is connected by welding with the valve body.
Preferably, the escaping pipe is provided with porous media block adjacent to one end of the outlet.
The utility model also proposes a kind of air-conditioning system, including electric expansion valve, and the electronic valve includes：
Valve body, the valve body has valve pocket, the inlet and outlet connected with the valve pocket；
Needle, is installed on the valve body and one end is extended in the valve pocket, to adjust the size of the outlet；
Escaping pipe, with the outlet；And,
The porous media block that porous media material is made is provided with air inlet pipe, and the inlet communication, the air inlet pipe.
The utility model in air inlet pipe by setting porous media block, and the porous media block on the one hand can be by refrigerant
The larger bubble of volume be divided into the bubble of small volume or break bubble, on the other hand will can also enter in valve pocket
Refrigerant is uniformly distributed, so that the needle avoided in valve pocket impacts by bubble impact or by the refrigerant of skewness in air inlet pipe
And vibrations are produced, and then significantly reduce noise produced during electric expansion valve work.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the partial sectional view of the embodiment of the utility model electric expansion valve one；
Fig. 2 is the partial sectional view of another embodiment of the utility model electric expansion valve.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side
The combination of case is not present, also not within the protection domain of the utility model requirement.
In order to reduce the noise produced during electric expansion valve work, the utility model proposes a kind of new electric expansion valve,
It refer to Fig. 1 or Fig. 2, Fig. 1 show the structural representation of the embodiment of electric expansion valve one of the present utility model；Fig. 2 is shown
The structural representation of another embodiment of electric expansion valve of the present utility model.
The electric expansion valve 100 is applied to air-conditioning system, and it mainly adjusts air-conditioning system by adjusting the aperture of itself
The cold medium flux of system, to play a part of reducing pressure by regulating flow.The electric expansion valve 100 include valve body 10, needle 20, air inlet pipe 30,
Escaping pipe 40 and miscellaneous part.
Above-mentioned valve body 10 includes valve seat 11 and cover lid 12, and one end of the valve seat 11 is provided with valve pocket 111, connected with valve pocket 111
Lead to and run through the import 112 and outlet 113 of valve body 10.The other end of the valve seat 11 is connected and common with cover lid 12 with above-mentioned cover lid 12
Set to form an installation cavity with enclosing, so that needle 20 is installed.
Above-mentioned needle 20 along its it is axially mobilizable be installed in above-mentioned installation cavity, and one end of the needle 20 is extended
State in valve pocket 111, it is used for the size for adjusting outlet 113.Specifically, above-mentioned outlet 113 is located at the axis extended line of needle 20
On, the needle 20 is axially moved along it, it is possible to adjust the size of the outlet 113.
One end of above-mentioned escaping pipe 40 113 connect with outlet, the other end of the escaping pipe 40 and air-conditioning system always other
Pipeline is connected.
One end of above-mentioned air inlet pipe 30 is connected with import 112, other in the other end and air-conditioning system of the air inlet pipe 30
Pipeline is connected, and porous media block 50 is provided with above-mentioned air inlet pipe 30.
Above-mentioned porous media block 50 can be using foamed aluminium, graphite foam, ceramic porous material, carbon foams porous material etc.
Material is made.Because porous media block 50 has substantial amounts of micro-pore, multiple micro-pores are interconnected, and form multiple for entering
The passage that the refrigerant of gaseous coolant, liquid refrigerants or gas-liquid two-phase in tracheae 30 passes through, and the bubble in refrigerant is passing through
During porous media block 50, multiple minute bubbles can be divided into or be directly broken, and the bubble of small volume to needle 20 not
Larger impact can be caused, and then avoids needle 20 vibrations are produced because being hit, namely be produced when avoiding the work of needle 20
Raw noise.And above-mentioned porous media block 50 can also make uniformly to flow into the valve pocket 111 of valve body 10 by its refrigerant, together
When can also reduce the flowing velocity of refrigerant, thus, excessive cold of refrigerant or flow velocity of skewness in air inlet pipe 30 can be avoided
Needle 20 in matchmaker's impact valve pocket 111, and then avoid the generation noise of needle 20.
The utility model is by setting porous media block 50 in the air inlet pipe 30, and the porous media block 50 not only can will be cold
The larger bubble of volume in matchmaker is divided into the bubble of small volume or breaks bubble, but also can make the refrigerant by it
Uniformly flow into the valve pocket 111 of electric expansion valve 100, thus avoid needle 20 in valve pocket 111 by bubble impact or
Vibrations are produced by the refrigerant impact of skewness in air inlet pipe 30, and then when significantly reducing the work of electric expansion valve 100
Produced noise.
In order to ensure speed that refrigerant in air inlet pipe 30 flows, the porosity of above-mentioned porous media block 50 for 50%~
90%.It should be noted that the porosity of above-mentioned porous media block 50 is the cumulative volume of the slight void in porous media and is somebody's turn to do
The surface of porous media block 50 and ratio, namely the porosity of above-mentioned porous media block 50 is higher, then the porous media block 50
In hole it is more, that is to say, that the passage that cooling matchmaker passes through in the porous media block 50 is more, so, it is ensured that air inlet pipe
Refrigerant in 30 can be quickly into the valve pocket 111 of electric expansion valve 100, it is to avoid refrigerant be piled up in air inlet pipe 30 and
Cause the problem of air inlet pipe 30 bursts.
In order to ensure that the bubble in refrigerant can be split or broken by porous media block 50, above-mentioned porous media block 50
Space is 0~0.2mm.Because the space of porous media block 50 is smaller, when bubble in refrigerant is by porous media block 50, if directly
Connect and be broken, then avoid bubble impact needle 20；If being divided into multiple minute bubbles, each minute bubbles maximum gauge is
0.2mm, so, it is ensured that the minute bubbles entered in the valve pocket 111 of electric expansion valve 100 do not result in larger rush to needle 20
Hit, so that avoiding needle 20 produces vibrations because being hit, and then avoid the generation noise of needle 20.
Above-mentioned porous media block 50 is set back to the end concave-convex surface of import 112.It is understood that the porous media
Block 50 partly can set (refer to Fig. 2) back to the end of import 112 to away from the protrusion of import 112, can also be situated between porous
Mass 50 can be by setting multiple boss and concave-convex surface is set back to the end of import 112, can also be multiple by setting
Pit and concave-convex surface are set.Preferably, above-mentioned boss is tapered is set.Bubble in refrigerant is stabbed when touching boss
It is broken, thus, on the one hand avoiding bubble impact porous media block 50 produces noise；On the other hand the gas in refrigerant can also be avoided
Bubble is entered in the valve pocket 111 of electric expansion valve 100, it is to avoid needle 20 is hit and produces noise.
The installation of above-mentioned porous media block 50 for convenience, above-mentioned porous media block 50 is cylindrical to be set.Need explanation
, air inlet pipe 30 is generally cylindrical to be set, and therefore, the porous media block 50 of above-mentioned cylindrical setting can directly be plugged to this
In air inlet pipe 30, and then the installation of above-mentioned porous media block 50 has been easy to it.
Further, above-mentioned air inlet pipe 30 has the larger first paragraph 31 in aperture and is connected and aperture with first paragraph 31
Less second segment 32, and first paragraph 31 connects with the import 112 of valve body 10.
Above-mentioned porous media block 50 is attached in the first paragraph 31 of air inlet pipe 30, and first paragraph 31 is inserted in porous media block 50
When interior, one end of porous media block 50 is abutted with the junction of first paragraph 31 and second segment 32, the other end of porous media block 50
When first paragraph 31 is fixedly installed on valve body 10, abutted with the periphery of import 112 of valve body 10, it is achieved thereby that porous media block
50 positioning, is easy to the installation of porous media block 50.
Obviously, above-mentioned porous media block 50 can also be fixed in air inlet pipe 30 by other connected modes, for example, exist
The internal face of air inlet pipe 30 and the outer surface of porous media block 50 are respectively provided with helicitic texture, and then cause above-mentioned porous media block 50
It can be connected through a screw thread and be fixedly installed in air inlet pipe 30.
The connection of above-mentioned air inlet pipe 30 for convenience, the outer end of above-mentioned import 112 is extended out with so that import 112 is in towards surrounding
It is step-like to set.When above-mentioned air inlet pipe 30 is connected with valve body 10, one end of the air inlet pipe 30 is plugged to above-mentioned import 112
Outer end and outer end and the inner junction of import 112 with import 112 is abutted, is then connected with valve body 10 by welding and consolidated
It is fixed.It is arranged such, it is convenient to position air inlet pipe 30 to valve body 10, and then it is easy to the assembling of air inlet pipe 30 and valve body 10.
One end of the neighbouring outlet 113 of above-mentioned escaping pipe 40 is provided with porous media block 50.The feature of the porous media block 50
The porous media block 50 in above-mentioned air inlet pipe 30 is referred to, be will not be repeated here.The concrete structure of the escaping pipe 40 can be with
The structure of above-mentioned air inlet pipe 30 is the same, can also be fixed to by way of welding on valve body 10.
Above-mentioned air-conditioning system is controlled using degree of supercooling, and the flow velocity of other phase refrigerants of the velocity ratio of liquid refrigerants is low, now,
When liquid refrigerants is entered in electric expansion valve 100, it is larger that its impact produced to needle 20 can't cause needle 20 to produce
Vibrations, namely needle 20 will not be caused to produce noise.When the liquid refrigerants of HTHP passes through needle 20 and flows out electronic expansion
During valve 100, the flow area of liquid refrigerants first diminishes becomes big, it is necessary to which explanation, liquid refrigerants diminishes in its flow area afterwards
When, its flow velocity can increase and its pressure can slowly decline, and when its pressure is less than the saturated vapor pressure of refrigerant, will produce gas
Bubble.If liquid refrigerants flows through after needle 20 its pressure when ging up less than condensing pressure, the bubble produced can exist always.By
It is more than the aperture of outlet 113 in the aperture of escaping pipe 40, bubble can quickly become big, merge when passing through herein, and then inspire class
Like " rumble rumble " sound of boiling water.Porous media block 50 is set in one end of the neighbouring outlet 113 of escaping pipe 40, porous Jie
Bubble can be split or be broken by mass 50, and then reduce the noise produced when electric expansion valve 100 works.
The utility model also proposes a kind of air-conditioning system, and the air-conditioning system includes electric expansion valve, the electric expansion valve
Concrete structure reference above-described embodiment, because this air-conditioning system employs whole technical schemes of above-mentioned all embodiments, therefore
All beneficial effects that at least technical scheme with above-described embodiment is brought, this is no longer going to repeat them.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of electric expansion valve, it is characterised in that including：
Valve body, the valve body has valve pocket, the inlet and outlet connected with the valve pocket；
Needle, is installed on the valve body and one end is extended in the valve pocket, to adjust the size of the outlet；
Escaping pipe, with the outlet；And,
Porous media block is provided with air inlet pipe, and the inlet communication, the air inlet pipe.
2. electric expansion valve as claimed in claim 1, it is characterised in that the porosity of the porous media block is 50%~
90%.
3. electric expansion valve as claimed in claim 1, it is characterised in that the pore size of the porous media block is 0~
0.2mm。
4. electric expansion valve as claimed in claim 1, it is characterised in that the porous media block is back to the end of the import
Concave-convex surface is set.
5. the electric expansion valve as described in claim any one of 1-4, it is characterised in that the porous media block is cylindrical to be set
Put.
6. electric expansion valve as claimed in claim 5, it is characterised in that the air inlet pipe have the larger first paragraph in aperture,
And be connected with the first paragraph and the less second segment in aperture, the first paragraph and the inlet communication；
One end of the porous media block is abutted with the junction of the first paragraph and second segment, the other end and the week of the import
Edge is abutted.
7. electric expansion valve as claimed in claim 5, it is characterised in that the porous media block connects with the air inlet pipe screw thread
Connect.
8. electric expansion valve as claimed in claim 1, it is characterised in that the outer end of the import is extended out to cause towards surrounding
Import is stated to set in stepped hole；
One end of the air inlet pipe is attached to the outer end of the import, and is connected by welding with the valve body.
9. electric expansion valve as claimed in claim 1, it is characterised in that the escaping pipe is set adjacent to one end of the outlet
There is porous media block.
10. a kind of air-conditioning system, it is characterised in that including the electric expansion valve as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270817.1U CN206338987U (en) | 2016-11-22 | 2016-11-22 | Electric expansion valve and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270817.1U CN206338987U (en) | 2016-11-22 | 2016-11-22 | Electric expansion valve and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338987U true CN206338987U (en) | 2017-07-18 |
Family
ID=59307533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270817.1U Active CN206338987U (en) | 2016-11-22 | 2016-11-22 | Electric expansion valve and air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338987U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168158A (en) * | 2018-01-23 | 2018-06-15 | 宁波奥克斯电气股份有限公司 | Buffer and air conditioner |
| CN110005833A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110005854A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110173569A (en) * | 2018-02-21 | 2019-08-27 | 株式会社鹭宫制作所 | Flow control valve and refrigerating circulation system |
| JP2019143727A (en) * | 2018-02-21 | 2019-08-29 | 株式会社鷺宮製作所 | Flow control valve and refrigeration cycle system |
| CN110792874A (en) * | 2018-08-01 | 2020-02-14 | 天津华信机械有限公司 | Electronic expansion valve |
| CN112443668A (en) * | 2019-08-29 | 2021-03-05 | 浙江三花汽车零部件有限公司 | Expansion valve |
| WO2021218845A1 (en) * | 2020-04-26 | 2021-11-04 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN114857666A (en) * | 2022-05-31 | 2022-08-05 | 青岛海信日立空调系统有限公司 | Multi-connected air conditioner |
-
2016
- 2016-11-22 CN CN201621270817.1U patent/CN206338987U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005833A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN110005854A (en) * | 2018-01-04 | 2019-07-12 | 浙江三花智能控制股份有限公司 | Valve gear |
| CN108168158A (en) * | 2018-01-23 | 2018-06-15 | 宁波奥克斯电气股份有限公司 | Buffer and air conditioner |
| CN110173569A (en) * | 2018-02-21 | 2019-08-27 | 株式会社鹭宫制作所 | Flow control valve and refrigerating circulation system |
| JP2019143726A (en) * | 2018-02-21 | 2019-08-29 | 株式会社鷺宮製作所 | Flow control valve and refrigeration cycle system |
| JP2019143727A (en) * | 2018-02-21 | 2019-08-29 | 株式会社鷺宮製作所 | Flow control valve and refrigeration cycle system |
| CN110792874A (en) * | 2018-08-01 | 2020-02-14 | 天津华信机械有限公司 | Electronic expansion valve |
| CN112443668A (en) * | 2019-08-29 | 2021-03-05 | 浙江三花汽车零部件有限公司 | Expansion valve |
| WO2021218845A1 (en) * | 2020-04-26 | 2021-11-04 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN114857666A (en) * | 2022-05-31 | 2022-08-05 | 青岛海信日立空调系统有限公司 | Multi-connected air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206338987U (en) | Electric expansion valve and air-conditioning system | |
| CN208012176U (en) | Buffer and air conditioner | |
| CN204006821U (en) | A kind of current divider and air-conditioning | |
| CN101430147A (en) | Refrigerant distributor used for air conditioner heat-exchanger | |
| JP2006284088A (en) | Expansion valve and refrigerating device | |
| CN205789089U (en) | A kind of sound absorption unit body and sound-absorbing system | |
| CN202133198U (en) | Air conditioner and throttling muffler thereof | |
| CN103471294A (en) | Noise reduction flow dividing device based on multi-connection air conditioning system | |
| CN203907004U (en) | Expansion valve and air conditioner with same | |
| CN204177023U (en) | Wind cooling refrigerator and fan component | |
| CN105444478A (en) | Throttling device for air conditioner | |
| CN204240661U (en) | Cross valve assembly | |
| CN204100531U (en) | Air-conditioner and silencer thereof | |
| CN101639308A (en) | Air conditioner diverter | |
| CN202361712U (en) | Refrigerant flow distributor for air conditioner | |
| CN208296390U (en) | Flow mixing device and household appliance | |
| CN208296394U (en) | Flow mixing device and household appliance | |
| CN204268785U (en) | Refrigerator and air duct board thereof | |
| CN204963318U (en) | Connecting pipe subassembly and refrigerator | |
| CN203758117U (en) | Liquid storage device and compressor with same | |
| CN204176818U (en) | Air-conditioner | |
| CN207545974U (en) | Water purifier | |
| CN103913022A (en) | Liquid accumulator and compressor with same | |
| CN208296388U (en) | Flow mixing device and household appliance | |
| CN203837344U (en) | Liquid dividing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |