CN102305501B - Nozzle throttling device of air conditioner - Google Patents
Nozzle throttling device of air conditioner Download PDFInfo
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- CN102305501B CN102305501B CN201110269294.4A CN201110269294A CN102305501B CN 102305501 B CN102305501 B CN 102305501B CN 201110269294 A CN201110269294 A CN 201110269294A CN 102305501 B CN102305501 B CN 102305501B
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- evaporimeter
- restrictor
- condenser
- conditioner
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Abstract
The invention discloses a kind of nozzle throttling device of air conditioner, comprise the compressor (1), cross valve (2), condenser (3) and the evaporimeter (4) that are communicated with by piping loop, it is characterized in that the carrier pipe (5) of described connection condenser (3) and evaporimeter (4) is upper and be provided with one or more nozzle restrictor (6) be connected in parallel near evaporimeter (4).Because nozzle restrictor has the feature of instant decompression, effectively reduce cold-producing medium in process of refrigerastion, when flowing through capillary restrictor, gas, liquid mixed flow affect the phenomenon that cold-producing medium exports, and improve the refrigerating capacity of air-conditioner, reduce the power consumption of air-conditioner, improve Energy Efficiency Ratio.Also successfully reduce the backflow noise that stopping time indoor set stopped by compressor simultaneously, improve the quality of air-conditioner.
Description
Technical field
The present invention relates to a kind of nozzle throttling device of air conditioner.
Background technology
Existing conventional air conditioner, the compressor be usually communicated with by conveyance conduit, cross valve, condenser, capillary restrictor, check valve and evaporimeter are formed.The high temperature and high pressure gaseous refrigerant that compressor exports enters condenser through cross valve, and carry out heat exchange with outdoor environment, when being cooled to below critical-temperature, cold-producing medium is condensed into liquid state by gaseous state; Liquid refrigerant is through capillary restrictor decompression vaporization, and the gas after decompression vaporization, the cold-producing medium of liquid mixed flow enter evaporimeter through carrier pipe, carry out heat exchange, realize refrigeration with indoor environment; Again through cross valve, sucked by compressor, enter next circulation, complete process of refrigerastion.
The decompression principle of traditional capillary restrictor is damping decompression, cannot avoid the gas in capillary and carrier pipe, liquid mixed flow phenomenon.Gas is full of carrier pipe, have impact on the output of liquid refrigerant in condenser, reduces the cooling capacity of condenser, decreases the refrigerating capacity of air-conditioner, adds the power consumption of air-conditioner, reduces the Energy Efficiency Ratio of air-conditioner.
Summary of the invention
The present invention seeks to: a kind of nozzle throttling device of air conditioner is provided, it can not only improve the cooling capacity of condenser, increases the refrigerating capacity of air-conditioner, reduces the power consumption of air-conditioner, improve the Energy Efficiency Ratio of air-conditioner, and successfully can reduce the backflow noise that stopping time indoor set stopped by compressor.
Technical scheme of the present invention is: a kind of nozzle throttling device of air conditioner, comprises the compressor, cross valve, condenser and the evaporimeter that are communicated with by piping loop, and the carrier pipe of connection condenser and evaporimeter is provided with refrigeration throttling device near evaporimeter one end; It is characterized in that described refrigeration throttling device is one or more nozzle restrictors be connected in parallel; Described nozzle restrictor is made up of copper pipe and the spray core be located in copper pipe, and described spray core center is provided with aperture vertically, and the two ends of described aperture are horn-like expanding structure.
Further, the carrier pipe of connection condenser of the present invention and evaporimeter is provided with heats throttling arrangement near condenser one end, and in parallelly with heating throttling arrangement be provided with check valve.
Further, heat throttling arrangement described in the present invention and still adopt one or more capillary restrictor be connected in parallel.
Nozzle restrictor in the present invention can only adopt in an independent access carrier pipe, and can certainly adopt at least two access carrier pipes in parallel, capillary restrictor also in like manner.
Nozzle restrictor described in the present invention is the flow restriction element with certain length and aperture; In air-conditioning transfer pipeline, control flow to adapt to different air-conditioners by the change length of nozzle restrictor and the size in aperture, play flow restriction, reach the effect of flow and the pressure oneself needed.The version of described nozzle restrictor can be varied, in certain the present invention, preferred structure is: this nozzle restrictor is made up of copper pipe and the spray core be located in copper pipe, described spray core center is provided with aperture vertically, and the two ends of this aperture are horn-like expanding structure.
Nozzle restrictor principle of throttling in air-conditioner is as follows: because the refrigeration throttling device of nearly evaporator end adopts nozzle restrictor, according to different air-conditioning systems, design uses the nozzle restrictor of different length and caliber, cold-producing medium can be made to reach sufficient heat radiation within the condenser, thus improve the degree of supercooling of cold-producing medium.And cold-producing medium is existed in liquid form when entering nozzle restrictor; When liquid refrigerant is by aperture on nozzle restrictor, a differential static pressure will be produced in the front and back of nozzle restrictor.Constantly to draw the gaseous refrigerant in return duct and evaporimeter through compressor due to the rear end of nozzle restrictor, make pressure wherein lower, cold-producing medium like this through nozzle restrictor current limliting will steam raising in evaporimeter, reaches the object of current limliting refrigeration.
Rational design nozzle restrictor can make the refrigerant flow that sprayed by nozzle restrictor suitable, and cold-producing medium in a gaseous form or atomization form evaporation, the cold-producing medium of gaseous state or atomization is little owing to forming molecule, the cold-producing medium relative contact of equal volume is long-pending larger, evaporation is just faster, and heat exchange is also faster, more thoroughly, make the heat exchange of evaporimeter reach best, thus improve the refrigeration of air-conditioning.
On the other hand, cold-producing medium in traditional capillary restrictor exists with the form of gas-liquid mixed, the noise of two-phase flow can be produced, thus there is familiar lacunas, therefore capillary restrictor is only suitable for being installed on outer machine (on the transfer pipeline of nearly condenser end) usually, be not suitable for being installed on interior machine (on the transfer pipeline of nearly evaporator end).And in the present invention, the refrigeration throttling device of nearly evaporator end adopts nozzle restrictor, the distance flowing through nozzle restrictor due to cold-producing medium is short, pressure reduction is large, and flushing time is short, therefore makes cold-producing medium become spray pattern, not easily produce the two phase flow noise of traditional air conditioner, thus greatly reduce noise.And compared to traditional capillary restrictor, the nozzle restrictor adopted in the present invention is also more suitable for being installed on interior machine to reach better refrigeration.
Advantage of the present invention is:
1. this nozzle throttling device of air conditioner provided by the invention, the refrigeration throttling device of its nearly evaporator end adopts nozzle restrictor, because nozzle restrictor has the feature of instant decompression, efficiently avoid cold-producing medium in process of refrigerastion, when flowing through capillary restrictor, gas, liquid mixed flow affect the phenomenon that cold-producing medium exports, improve the refrigerating capacity of air-conditioner, reduce the power consumption of air-conditioner, improve Energy Efficiency Ratio; And meanwhile, relative to traditional capillary restrictor, nozzle restrictor inhibits the two phase flow of gas, liquid mixed flow, alleviate the backflow noise that stopping time indoor set stopped by compressor, improve the quality of air-conditioner.
2. this nozzle throttling device of air conditioner provided by the invention, the refrigeration throttling device of its nearly evaporator end adopts nozzle restrictor, relative to traditional capillary restrictor, nozzle restrictor volume is little, cost is low, take up space few, adopt nozzle restrictor to be more suitable for being installed on internal machine of air-conditioner to reach better refrigeration in a word.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of a kind of specific embodiment of the present invention;
Fig. 2 is the independent structural representation of nozzle restrictor in the present invention;
Fig. 3 is the structural representation of the second specific embodiment of the present invention.
Wherein: 1, compressor; 2, cross valve; 3, condenser; 4, evaporimeter; 5, carrier pipe; 6, nozzle restrictor; 6a, copper pipe; 6b, spray core; 7, capillary restrictor; 8, aperture; 9, check valve.
Detailed description of the invention
Embodiment 1: the structural representation being illustrated in figure 1 a kind of specific embodiment of this nozzle throttling device of air conditioner provided by the invention, the same with conventional air-conditioner, it has the compressor 1, cross valve 2, condenser 3 and the evaporimeter 4 that are communicated with by piping loop, and connect on the carrier pipe 5 of condenser 3 and evaporimeter 4, be provided with near condenser one end and heat throttling arrangement, in the present embodiment, this heats throttling arrangement is a capillary restrictor 7, and capillary restrictor 7 is parallel with check valve 9; And being provided with refrigeration throttling device near evaporimeter 4 one end, this refrigeration throttling device is a nozzle restrictor 6.
Specifically as shown in Figure 2, the nozzle restrictor 6 in the present embodiment is specifically made up of copper pipe 6a and the spray core 6b be located in copper pipe 6a, and described spray core 6b center is provided with aperture 8 vertically, and the two ends of this aperture 8 are horn-like expanding structure.During concrete installation, described copper pipe 6a accesses carrier pipe 5.
Its working method of this nozzle throttling device of air conditioner that the present embodiment provides is divided into two parts:
One, kind of refrigeration cycle
1, the high temperature and high pressure gaseous refrigerant that compressor 1 exports enters condenser 3 through cross valve 2, and carry out heat exchange with outdoor environment, when high temperature and high pressure gaseous refrigerant is cooled to below critical-temperature, cold-producing medium is condensed into liquid state by gaseous state.
2, liquid refrigerant, is exported by condenser 3, through check valve 9, enters carrier pipe 5.Because without expenditure and pressure, can not vaporize, the space that the liquid refrigerant due to equal in quality occupies than gas, liquid mixed flow cold-producing medium is less, and carrier pipe 5 can hold more liquid refrigerant, be equivalent to the space increasing condenser 3, enhance the cooling capacity of condenser 3.
3, liquid refrigerant, through being installed on the nozzle restrictor 6 of evaporimeter 4 arrival end, swash and penetrate ejection, below instant decompression to critical pressure, rapid vaporization, enters evaporimeter 4;
4, enter the atomized refrigerant of evaporimeter 4, vaporize further in the space that evaporimeter 4 is larger, absorb heat in a large number simultaneously; By the radiating fin of evaporimeter 4, carry out heat exchange with indoor environment, realize refrigeration.
5, carry out the gaseous refrigerant after heat exchange with indoor environment, then through cross valve 2, sucked by compressor 1, enter next circulation, complete process of refrigerastion.
Two, circulation is heated
Heating circulates, and the inverse of kind of refrigeration cycle that can be regarded as by cross valve 2 switches circulates.
1, the high temperature and high pressure gaseous refrigerant that compressor 1 exports switches through cross valve 2, enters evaporimeter 4, carry out heat exchange with indoor environment, when high temperature and high pressure gaseous refrigerant is cooled to below critical-temperature, cold-producing medium is condensed into liquid state by gaseous state, and discharge latent heat, realize heating.
2, export high pressure liquid refrigerant by evaporimeter 4, through nozzle restrictor 6 aperture back to ejection, vaporize below the critical pressure that reduces pressure.
3, atomized refrigerant is through capillary restrictor 7, and decompression further, vaporization, reduce critical-temperature, enter condenser 3.
4, enter the atomized refrigerant of condenser 3, in the space that condenser 3 is larger, continue vaporization, simultaneously stability heat; Heat exchange is carried out by condenser 3 and outdoor environment.
5, carry out the cryogenic gaseous cold-producing medium after heat exchange with outdoor environment, then switch through cross valve 2, sucked by compressor 1, enter next circulation, complete heating operations.
The above-mentioned nozzle throttling device of air conditioner that the present embodiment provides, the refrigeration throttling device of its nearly evaporimeter 4 end adopts nozzle restrictor 6, because nozzle restrictor 6 has the feature of instant decompression, efficiently avoid cold-producing medium in process of refrigerastion, when flowing through capillary restrictor, gas, liquid mixed flow affect the phenomenon that cold-producing medium exports, the refrigerating capacity of having caught air-conditioner high, reduces the power consumption of air-conditioner, improves Energy Efficiency Ratio.And meanwhile, relative to traditional capillary restrictor, nozzle restrictor 6 inhibits the two phase flow of gas, liquid mixed flow, successfully alleviate the backflow noise that stopping time indoor set stopped by compressor 1, improve the quality of air-conditioner.
On the other hand, relative to traditional capillary restrictor 7, nozzle restrictor 6 volume is little, and cost is low, takes up space few, adopts nozzle restrictor 6 to be more suitable for being installed on internal machine of air-conditioner to reach better refrigeration in a word.
Embodiment 2: the another kind of specific embodiment being illustrated in figure 3 nozzle throttling device of air conditioner of the present invention, its structure is substantially with embodiment 1, and difference is the refrigeration throttling device be provided with near evaporimeter 4 one end is three nozzle restrictors be connected in parallel 6.The operation principle of the present embodiment and mode see embodiment 1, therefore no longer can describe in detail.
Certainly, above is only embody rule example of the present invention, does not constitute any limitation protection scope of the present invention.In addition to the implementation, the present invention can also have other embodiment.All employings be equal to replacement or equivalent transformation formed technical scheme, all drop on the present invention's scope required for protection it.
Claims (3)
1. a nozzle throttling device of air conditioner, comprise the compressor (1), cross valve (2), condenser (3) and the evaporimeter (4) that are communicated with by piping loop, the upper close evaporimeter (4) of carrier pipe (5) connecting condenser (3) and evaporimeter (4) is provided with refrigeration throttling device; It is characterized in that described refrigeration throttling device is one or more nozzle restrictors (6) be connected in parallel; Described nozzle restrictor (6) is made up of copper pipe (6a) and the spray core (6b) be located in copper pipe (6a), described spray core (6b) center is provided with aperture (8) vertically, and the two ends of described aperture (8) are horn-like expanding structure.
2. nozzle throttling device of air conditioner according to claim 1, it is characterized in that upper being provided with near condenser (3) of the carrier pipe (5) of described connection condenser (3) and evaporimeter (4) heats throttling arrangement, and in parallelly with heating throttling arrangement be provided with check valve (9).
3. nozzle throttling device of air conditioner according to claim 2, heating throttling arrangement described in it is characterized in that is one or more capillary restrictors (7) be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269294.4A CN102305501B (en) | 2011-09-13 | 2011-09-13 | Nozzle throttling device of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110269294.4A CN102305501B (en) | 2011-09-13 | 2011-09-13 | Nozzle throttling device of air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN102305501A CN102305501A (en) | 2012-01-04 |
| CN102305501B true CN102305501B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110269294.4A Active CN102305501B (en) | 2011-09-13 | 2011-09-13 | Nozzle throttling device of air conditioner |
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| CN (1) | CN102305501B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635986A (en) * | 2012-05-11 | 2012-08-15 | 苏州恒兆空调节能科技有限公司 | Throttling device for air conditioner check valve |
| CN104776656B (en) * | 2014-01-11 | 2018-05-08 | 苏州恒兆空调节能科技有限公司 | A kind of transducer air conditioning |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158971A (en) * | 1995-12-11 | 1997-09-10 | 松下电器产业株式会社 | Refrigerating circulation |
| CN2490515Y (en) * | 2001-07-05 | 2002-05-08 | 广东美的集团股份有限公司 | Throttle pipe of air conditioner |
| CN200965365Y (en) * | 2006-09-28 | 2007-10-24 | 四川长虹电器股份有限公司 | Split-type air conditioning unit |
| CN201335575Y (en) * | 2008-11-19 | 2009-10-28 | 广东美的电器股份有限公司 | Throttle device for air conditioner with long pipe. |
| CN202229489U (en) * | 2011-09-13 | 2012-05-23 | 苏州恒兆空调节能科技有限公司 | Nozzle throttling device of air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY105035A (en) * | 1988-09-30 | 1994-07-30 | Carrier Corp | Refrigerant metering apparatus for multicircuit coil. |
-
2011
- 2011-09-13 CN CN201110269294.4A patent/CN102305501B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158971A (en) * | 1995-12-11 | 1997-09-10 | 松下电器产业株式会社 | Refrigerating circulation |
| CN2490515Y (en) * | 2001-07-05 | 2002-05-08 | 广东美的集团股份有限公司 | Throttle pipe of air conditioner |
| CN200965365Y (en) * | 2006-09-28 | 2007-10-24 | 四川长虹电器股份有限公司 | Split-type air conditioning unit |
| CN201335575Y (en) * | 2008-11-19 | 2009-10-28 | 广东美的电器股份有限公司 | Throttle device for air conditioner with long pipe. |
| CN202229489U (en) * | 2011-09-13 | 2012-05-23 | 苏州恒兆空调节能科技有限公司 | Nozzle throttling device of air conditioner |
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| CN102305501A (en) | 2012-01-04 |
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