CN204063706U - Air-conditioner outdoor unit throttling arrangement and air-conditioner - Google Patents
Air-conditioner outdoor unit throttling arrangement and air-conditioner Download PDFInfo
- Publication number
- CN204063706U CN204063706U CN201420431090.5U CN201420431090U CN204063706U CN 204063706 U CN204063706 U CN 204063706U CN 201420431090 U CN201420431090 U CN 201420431090U CN 204063706 U CN204063706 U CN 204063706U
- Authority
- CN
- China
- Prior art keywords
- air
- throttling arrangement
- outdoor unit
- throttling
- conditioner outdoor
- 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
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a kind of air-conditioner outdoor unit throttling arrangement and air-conditioner, this throttling arrangement is connected between air-conditioning condenser and low-pressure shutoff valve, comprise: throttling body, the end part seal of the one or both ends of throttling body, the circumference near end is provided with some micropores.The utility model effectively can reduce the noise of throttling arrangement, and abatement off-premises station throttle part abnormal sound reaches indoor set, and it is simple and reasonable, cost is low, applied widely.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly relates to a kind ofly can cut down air-conditioner outdoor unit throttling arrangement and the air-conditioner that air-conditioner throttling parts refrigerant abnormal sound reaches indoor set.
Background technology
The throttling arrangement such as capillary, electric expansion valve is one of critical elements of transmission air-conditioning cold flow or heat.For electric expansion valve, when air conditioner refrigerating, from compressor discharge pipe HTHP cold media gas out after outdoor condenser heat exchange, gaseous coolant major part liquefy refrigerant, when these refrigerants flow through electric expansion valve, during the saturated vapor pressure of refrigerant internal pressure lower than this kind of refrigerant, refrigerant vaporization and accelerate to form bubble.Bubble in refrigerant forms area of low pressure, and in this area of low pressure, bubble constantly generates, develops and assemble.When the bubble of area of low pressure is brought to higher-pressure region with refrigerant, under pressure, the volume of bubble reduces rapidly until vanish.At bubble by compression process, because the gaseous mass in bubble is constant, therefore its density changes with bubble volume, during bubble-break, the step of pressure raises and makes again refrigerant and pipe vibration, thus generation noise, this noise some is propagated in refrigerant, a part of by pipe arrangement sound radiating surface in air; Acoustic radiation is continuous frequency spectrum figure to the feature of this noise in air, and its frequency distribution, mainly at 1000Hz-4000Hz, forms the abnormal sound of " neighing ".
For the noise that abatement air-conditioner throttling arrangement produces, the scheme of current employing has: by capillary and evaporimeter transitional connection pipe, make refrigerant flow channel from the less internal diameter smooth transition of capillary to evaporator tube comparatively large diameter, avoid the suddenly change expansion noise that causes and solder joint of internal diameter of the pipeline and hinder the flow noise caused, refrigerating plant is undisturbedly run; In addition, also have and arrange PUR coating at capillary surface, this coating is protected capillary, prevents the capillary of air-conditioner from producing abnormal sound, reduces the level of noise produced between capillary and other parts of air-conditioner; Or adopt the mode of capillary series connection, the abnormal sound of " neighing " that the restricting element that realizes disappearing produces.
Although these present processing schemes have certain noise reduction to the different sound of refrigerant, indoor pusher side still can hear slight refrigerant fizz, particularly more obvious under low wind cooling condition, and manufacture efficiency lower, cost is higher.
Utility model content
Main purpose of the present utility model is to provide a kind of air-conditioner outdoor unit throttling arrangement and air-conditioner, to reduce the noise of throttling arrangement.
In order to achieve the above object, the utility model proposes a kind of air-conditioner outdoor unit throttling arrangement, be connected between air-conditioning condenser and low-pressure shutoff valve, comprise: throttling body, the end part seal of the one or both ends of described throttling body, the circumference near described end is provided with some micropores.
Preferably, described micropore is circular, and the diameter of described micropore is less than 1.5mm.
Preferably, described micropore is circle, plum blossom hole, elliptical aperture.
Preferably, described micropore is strip, and the width of described micropore is less than 1.5mm.
Preferably, the area of described micropore is 1.5 ~ 2 times that described throttle pipe body section amasss.
Preferably, some described micropores are angularly distributed in the side of throttling body.
Preferably, the length that described throttling body inserts the input pipe of described condenser or the tube connector of low-pressure shutoff valve is at least 5 ~ 10 times of throttling pipe diameter.
Preferably, described throttling body is capillary or electric expansion valve.
The utility model also proposes a kind of air-conditioner, comprises air-conditioner outdoor unit throttling arrangement as above.
A kind of air-conditioner outdoor unit throttling arrangement that the utility model proposes and air-conditioner, by the end part seal of the one or both ends of the throttling body by throttling arrangement, and at the circumference near this end, some micropores are set in order to transmit refrigerant, effectively can reduce the noise of throttling arrangement, abatement off-premises station throttle part abnormal sound reaches indoor set, it is simple and reasonable, cost is low, applied widely, when especially throttling arrangement is capillary, cost is lower.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of the utility model air-conditioner outdoor unit throttling arrangement embodiment;
Fig. 2 is the partial assembled structure enlarged diagram of the utility model embodiment throttling arrangement first embodiment;
Fig. 3 uses the indoor set noise pattern before and after the utility model embodiment throttling arrangement;
Fig. 4 is the partial assembled structure enlarged diagram of the utility model embodiment throttling arrangement second embodiment.
In order to make the technical solution of the utility model clearly, understand, be described in further detail below in conjunction with accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 and 2, the utility model first embodiment proposes a kind of air-conditioner outdoor unit throttling arrangement, be connected between air-conditioning condenser and low-pressure shutoff valve, specifically be connected between the input pipe 2 of condenser and the tube connector 3 of low-pressure shutoff valve, this throttling arrangement comprises: throttling body 1, the end part seal of the one or both ends (entrance point and the port of export) of described throttling body 1, the present embodiment is illustrated with the sealing of the two ends of throttling body 1, circumference near end, two ends is provided with some micropores 11, thus, the object of transmission refrigerant is reached by above-mentioned micropore 11, effectively can reduce the noise of throttling arrangement, abatement off-premises station throttling arrangement abnormal sound reaches indoor set.
Particularly, above-mentioned throttling body 1 is specifically as follows capillary or electric expansion valve, and the present embodiment is illustrated with capillary.
As a kind of embodiment, above-mentioned micropore 11 can be circle, plum blossom hole, elliptical aperture or other shape, and the present embodiment is illustrated with circular hole.
As a kind of embodiment, the diameter of described micropore 11 is less than 1.5mm.The area of described micropore 11 is 1.5 ~ 2 times of described throttling body 1 sectional area.
In addition, as shown in Figure 2, each micropore 11 mode equiangularly can be distributed in the side of throttling body 1, i.e. uniform Heterogeneous Permutation.
In addition, as a kind of embodiment, the length that throttling body 1 inserts the input pipe 2 of condenser or the tube connector 3 of low-pressure shutoff valve is at least 5 ~ 10 times of throttling body 1 diameter.
Adopt the throttling arrangement of said structure, refrigerant can be made " to neigh " acoustic frequency by original 1000Hz ~ 4000Hz raising more than 10000Hz by the refrigerant of throttling arrangement, high-frequency fizz after pipeline decay, make people's ear feel very weak to this different tone sense, namely indoor apparatus of air conditioner is when cooling condition, make user can't hear the different sound of refrigerant of off-premises station throttling arrangement transmission, thus improve the comfort of air-conditioner.And the feature such as the utility model throttling arrangement has simple and reasonable, easy processing, applied widely, cost is low, when especially throttling arrangement is capillary, cost is lower.
For the test of certain air conditioner refrigerating, it is on the outside semianechoic room stand of 35 DEG C that off-premises station is placed in working temperature, and it is in the indoor anechoic room of 27 DEG C that chamber interior walls on-hook hangs on working temperature; Off-premises station capillary diameter is 4mm, overall length is 680mm, carry out using fastening straps tighten after circle is wound around, punch in the side of capillary inlet, exit portion, the diameter of circular hole is 1mm, circular hole is angularly distributed on capillary side with 90 °, capillary inlet or exit portion sealing, allow refrigerant flow to from the side or to flow out.
As shown in Figure 3, Fig. 3 is the indoor set noise pattern adopting this programme to implement front and back, and wherein, solid line is the noise of indoor unit curve that before implementing, off-premises station adopts conventional capillary assembly, and chain-dotted line is the noise of indoor unit curve after the present embodiment is implemented.
Can obviously be seen by the noise curve in Fig. 3: before implementing, indoor set noise pattern is at 3000-4000Hz noise peak, and this noise is " neighing " sound of off-premises station capillary refrigerant exception.Adopt after the present embodiment, noise of indoor unit frequency spectrum at the different sound characteristic disappear of the refrigerant of 3000-4000Hz, can't hear capillary refrigerant at indoor set and " to neigh " different sound noise, only have the air-supply noise of normal tubular wine wheel.
Therefore, the utility model embodiment is passed through the end part seal of the one or both ends of the throttling body 1 of throttling arrangement, and at the circumference near this end, some micropores 11 are set in order to transmit refrigerant, effectively can reduce the noise of throttling arrangement, abatement off-premises station throttle part abnormal sound reaches indoor set, to overcome in prior art and must wrap up the structural member weak points such as shockproof glue based, transition conduit at capillary surface.It is simple and reasonable, cost is low, applied widely, when especially throttling arrangement is capillary, cost is lower.
As shown in Figure 4, the utility model second embodiment proposes a kind of air-conditioner outdoor unit throttling arrangement, similar to the first embodiment shown in above-mentioned Fig. 1 and Fig. 2, this throttling arrangement is connected between air-conditioning condenser and low-pressure shutoff valve, throttling arrangement comprises: throttling body 1, the end part seal of the one or both ends (entrance point and the port of export) of described throttling body 1, circumference near end is provided with some micropores 11, the difference of the present embodiment and above-mentioned first embodiment is, micropore 11 shape of the present embodiment is specially strip.
As a kind of embodiment, the width of the micropore 11 of this strip is less than 1.5mm, specifically can value 1mm.Micropore 11 position is angularly distributed on capillary circumference side.
Other is identical with the first embodiment.
In addition, the utility model also proposes a kind of air-conditioner, comprises the air-conditioner outdoor unit throttling arrangement described in above-described embodiment, does not repeat them here.
The utility model embodiment air-conditioner outdoor unit throttling arrangement and air-conditioner, by the end part seal of the one or both ends of the throttling body 1 by throttling arrangement, and at the circumference near this end, some micropores 11 are set in order to transmit refrigerant, effectively can reduce the noise of throttling arrangement, abatement off-premises station throttle part abnormal sound reaches indoor set, it is simple and reasonable, cost is low, applied widely, when especially throttling arrangement is capillary, cost is lower.
Above are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an air-conditioner outdoor unit throttling arrangement, is connected between air-conditioning condenser and low-pressure shutoff valve, it is characterized in that, comprising: throttling body, the end part seal of the one or both ends of described throttling body, and the circumference near described end is provided with some micropores.
2. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, described micropore is circular, and the diameter of described micropore is less than 1.5mm.
3. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, described micropore is circle, plum blossom hole, elliptical aperture.
4. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, described micropore is strip, and the width of described micropore is less than 1.5mm.
5. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, the area of described micropore is 1.5 ~ 2 times that described throttle pipe body section amasss.
6. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, some described micropores are angularly distributed in the side of throttling body.
7. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, the length that described throttling body inserts the input pipe of described condenser or the tube connector of low-pressure shutoff valve is at least 5 ~ 10 times of throttling pipe diameter.
8. air-conditioner outdoor unit throttling arrangement according to claim 1, is characterized in that, described throttling body is capillary or electric expansion valve.
9. an air-conditioner, is characterized in that, comprises the air-conditioner outdoor unit throttling arrangement according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431090.5U CN204063706U (en) | 2014-07-31 | 2014-07-31 | Air-conditioner outdoor unit throttling arrangement and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431090.5U CN204063706U (en) | 2014-07-31 | 2014-07-31 | Air-conditioner outdoor unit throttling arrangement and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063706U true CN204063706U (en) | 2014-12-31 |
Family
ID=52205198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420431090.5U Active CN204063706U (en) | 2014-07-31 | 2014-07-31 | Air-conditioner outdoor unit throttling arrangement and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094806A (en) * | 2019-05-24 | 2019-08-06 | 珠海格力电器股份有限公司 | Pipeline damping device for achieving damping by throttling and pressure reduction and air conditioner |
-
2014
- 2014-07-31 CN CN201420431090.5U patent/CN204063706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094806A (en) * | 2019-05-24 | 2019-08-06 | 珠海格力电器股份有限公司 | Pipeline damping device for achieving damping by throttling and pressure reduction and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538083A (en) | Outdoor unit for air conditioner | |
| CN203375571U (en) | Outdoor unit piping structure of air conditioner and air conditioner | |
| CN204063706U (en) | Air-conditioner outdoor unit throttling arrangement and air-conditioner | |
| CN104797900A (en) | Flat heat transmission tube, method for manufacturing cross-fin-tube-type heat exchanger provided with same, cross-fin-tube-type heat exchanger manufactured using said method | |
| CN105258318A (en) | Noise reducing and abnormal-sound removing device, air conditioner and air conditioner refrigerant flowing method | |
| CN105371523A (en) | Air conditioner refrigerating loop and air conditioner | |
| KR20180024955A (en) | Air conditioner | |
| CN213020276U (en) | Unit type air conditioner noise reduction structure | |
| KR20100078065A (en) | Multiple muffler and air-conditioning apparatus including it | |
| CN105588375A (en) | Air conditioner circulating system and air conditioner | |
| CN211372618U (en) | Air conditioner noise reduction structure and air conditioner | |
| CN204677916U (en) | Pipe group, indoor set and air conditioner | |
| CN204268785U (en) | Refrigerator and air duct board thereof | |
| CN210463276U (en) | Air conditioning system and air conditioner with same | |
| CN209623159U (en) | A kind of denoising device of air-heater | |
| CN209978470U (en) | Ultra-silent direct-cooling full-refrigerating box | |
| CN207896793U (en) | A kind of air conditioner motor Axile connection structure | |
| CN206320006U (en) | The Reciprocting piston compressor of energy-saving and noise-reducing silencing vibration-damping | |
| CN112460785A (en) | Air conditioner pipeline noise elimination method and system and air conditioner | |
| CN106438286B (en) | The Reciprocting piston compressor of energy-saving and noise-reducing silencing vibration-damping and its noise reduction sound-deadening method | |
| CN205401125U (en) | Compressor and air conditioning system | |
| CN101749920A (en) | Novel refrigerating machine cabinet | |
| CN211400479U (en) | A kind of refrigerator | |
| CN204901987U (en) | Split standard type air -conditioner | |
| CN108444158A (en) | A kind of air-conditioning refrigerating defroster and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |