CN1719144B - Device of air conditioner outdoor unit for preventing drained water from freezing - Google Patents
Device of air conditioner outdoor unit for preventing drained water from freezing Download PDFInfo
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- CN1719144B CN1719144B CN 200410019899 CN200410019899A CN1719144B CN 1719144 B CN1719144 B CN 1719144B CN 200410019899 CN200410019899 CN 200410019899 CN 200410019899 A CN200410019899 A CN 200410019899A CN 1719144 B CN1719144 B CN 1719144B
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- drainage channel
- air
- outdoor heat
- heat converter
- conditioner
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Abstract
The present invention discloses a device capable of preventing discharged water from icing for outdoor machine of air conditioner. In the interior of machine shell of outdoor machine of air conditioner a gas-liquid separator and a compressor are set, along the periphery of machine shell an outdoor heat exchanger is placed, and on the baseplate, along the peripheral edge a recessed dewatering channel with dewatering holes is formed, so that said device can prevent the discharged water from icing.
Description
Technical field
The present invention relates to outdoor unit of air conditioner, especially prevent the icing anti-locking apparatus of draining of the off-premises station of the air-conditioner that drainage channel freezes.
Background technology
Usually, air-conditioner be divided into off-premises station and indoor set be arranged on one in the casing package AC plant and compressor and condenser be arranged in the outdoor casing as off-premises station, evaporimeter is arranged on indoor detachable air conditioner as indoor set.
Recently,, therefore in large-scale air-conditioner, on off-premises station, be equipped with several compressors, satisfied various refrigeration requirements effectively because market is more and more higher to the requirement of the refrigerating capacity of detachable air conditioner.
As shown in Figure 1, 2, 3, the off-premises station 100 of the air-conditioner of prior art comprises: the inner spatial accommodation that forms, and the side is provided with the right angle hexahedron casing 110 of hatch frame; Be arranged on the shared gas-liquid separator 120 and the several compressors 130 of casing 110 inside; The outdoor heat converter that carries out the cold-producing medium heat exchange 140 along casing 110 interior periphery settings.
Casing 110 comprises: adopt tetragonal structure, be arranged on the bottom, support the chassis 111 of shared gas-liquid separator 120, compressor 130 and heat exchanger 140 etc.; Adopt tetragonal structure, maintain a certain distance, be arranged on the top board 115 of the top on chassis 111; Be arranged at several munnions 114 between chassis 111 and the top board 115 on the above-below direction.
On top board 115, run through the plate face and be provided with hatch frame, and in each open area, be provided with respectively, promote several Air Blast fans 150 of outdoor heat converter 140 heat exchange by send air to the outside.
Periphery along each side and back on chassis 111 is provided with a plurality of outdoor heat converters 140, and the shared gas-liquid separator 120 of a pair of compressor 130 being installed and gaseous refrigerant being provided to each compressor 130 in the inside of outdoor heat converter 140.
Being provided with by extrusion forming along the side of outdoor heat converter 140 is the drainage channel 112 of groove, and running through drainage channel 112 bottom surfaces has several osculums 113.When defrosting running, drainage channel 112 is discharged to the outside by osculum 113 with dissolving the defrost water of back drippage or the snow-broth and the rainwater of inflow casing 110 inside on the outdoor heat converter.
When the air-conditioner of the prior art of above-mentioned formation heats running, heat the high-temperature high-pressure refrigerant of back outflow behind outdoor expansion valve (not expression among the figure) at indoor set (not having expression among the figure) by off-premises station 100, decompression is also expanded, the inside of inlet chamber outer heat-exchanger 140, and the low temperature liquid cold-producing medium of inflow outdoor heat exchanger 140 inside is under the effect of Air Blast fan, carry out heat exchange and absorb heat with the outdoor air that flows into the low-temperature condition in the casing, become the cryogenic gaseous cold-producing medium.Then, the cryogenic gaseous cold-producing medium carries out gas-liquid separation in shared gas-liquid separator 120 after, flow into each compressor 130 inside with the state of pure gas and be compressed, high-temperature gas cold-producing medium (not expression among the figure) circulation repeatedly in indoor set thus.
Above-mentioned air-conditioner is in heating the process of running, moisture in the outdoor air will be in the surperficial frosting of outdoor heat converter 140, reduce the heat exchange efficiency of heat exchanger, therefore carry out the defrosting running of a period of time usually, need to remove the frost on heat exchanger 140 surfaces.
The defrost water that outdoor heat converter 140 surfaces produce can flow in the recessed drainage channel 112 of outdoor heat converter 140 sides setting, and is discharged to the outside of off-premises station 100 by the osculum 113 that runs through drainage channel 112 bottom surfaces.
But, winter air-conditioner heat in the process of running, when the outside air temperature in winter dropped to below 5～7 ℃, when outdoor heat converter defrosted running, the drainage channel of defrost water on the chassis that the defrosting back produces flowed, and osculum outflow by being provided with on the passage bottom, because ambient temperature is low excessively, defrost water can be frozen, and has blocked osculum, the amount of freezing is increasing, the below of last covering chamber outer heat-exchanger.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of air-conditioner off-premises station prevent the draining device that freezes, the defrost water that produces in the time of can discharging the defrosting running glibly by drainage channel and osculum.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of off-premises station of air-conditioner prevent the draining device that freezes, be provided with gas-liquid separator and compressor on the centre above the chassis of the casing inside of the off-premises station of air-conditioner, be provided with outdoor heat converter along the casing periphery, on the chassis, form the drainage channel of groove shape along the neighboring, the bottom surface of running through drainage channel forms osculum; Outdoor heat converter is along the drainage channel setting on chassis, and its lower end is immersed in the drainage channel, it is characterized in that heating the overcooled cold junction of crossing of cold-producing medium that when running flows into from indoor set being provided with on the lower end of outdoor heat converter to make.
The invention has the beneficial effects as follows: the present invention utilizes the lower end to cross the outdoor heat converter that cold junction is immersed in drainage channel, prevents that defrost water is icing.Improve the supercooling degree of crossing the refrigeration machine of cold junction internal flow, can improve the efficient of air-conditioning system.
Description of drawings
Fig. 1 is the stereogram after the off-premises station front of the one-driven-several type air-conditioner of prior art design is opened.
Fig. 2 is the plane of section of off-premises station drainage channel structure of the one-driven-several type air-conditioner of prior art design.
Fig. 3 is the local amplification stereogram in the one-driven-several type outdoor unit of air conditioner drainage channel cross section of prior art.
Fig. 4 be the present invention design prevent the draining positive stereogram after open of the one-driven-several type outdoor unit of air conditioner of device that freezes.
Fig. 5 is the plane of the section of the one-driven-several type outdoor unit of air conditioner drainage channel structure that designs of the present invention.
Fig. 6 is outdoor unit of air conditioner that the present invention designs prevent from the to freeze local amplification stereogram of device.
Among the figure, 1: off-premises station; 10: casing; 11: the chassis; 12: drainage channel; 13: osculum; 20: shared gas-liquid separator; 30: compressor; 40: outdoor heat converter; 41: cross cold junction.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Shown in Fig. 4,5,6, the off-premises station 1 of air-conditioner of the present invention comprises: the inner spatial accommodation that forms, and the side is provided with the right angle hexahedron casing 10 of hatch frame; Be arranged on casing 10 inside, cold-producing medium carried out the shared gas-liquid separator 20 of gas-liquid separation; Compression is from the several compressors 30 of the cold-producing medium of gas-liquid separator 20 inflows; Be arranged on the open area of casing 10, the outdoor heat converter 40 that makes inner cold-producing medium carry out heat exchange.
Casing 10 comprises: adopt tetragonal structure to be arranged on the bottom, be provided with shared gas-liquid separator 20 on the centre, and around shared gas-liquid separator 20, be provided with several compressors 30, and be provided with the chassis 11 of outdoor heat converter 40 along its periphery; Maintain a certain distance the top board 15 that is arranged on the top with chassis 11; Be arranged at several munnions 14 between chassis 11 and the top board 15 on the above-below direction.
On top board 15, run through the plate face and be provided with hatch frame, and in each open area, be provided with respectively, promote several Air Blast fans 50 of the heat exchange of outdoor heat converter 40 thus by send air to the outside.
On chassis 11, being provided with the extrusion forming with certain width along the periphery of two sides and back is the drainage channel 12 of groove and several osculums 13 that run through drainage channel 12 bottom surfaces, the snow-broth from off-premises station inside to the outside and the rainwater that utilize osculum 13 to discharge defrost water and flow into.
A part of lower end of outdoor heat converter is immersed in the drainage channel 12, therefore in winter because air-conditioner heats running when defrosting running, prevent that the defrost water that produces is icing when discharging through drainage channel 12 and osculum 13.
What particularly point out is, be equipped with in the lower end of outdoor heat converter 40 row to two row cross cold junctions 41, when heating running, carry out supercooling for the cold-producing medium that is flowed into.Cross cold junction 41 and be immersed in the drainage channel, utilize the high temperature refrigerant that flows into from indoor set when heating running to prevent that snow-broth and rainwater in defrost water and the inflow casing from freezing at drainage channel.
Below, describe for the freeze technique effect of device of draining that prevents of the off-premises station of the air-conditioner of the present invention's design of as above structure:
When air-conditioner heats running, indoor set (do not have among the figure expression) heat the back flow into cold-producing medium in the off-premises station 1 by the mistake cold junction 41 that is arranged on outdoor heat converter 40 belows after, become supercooled state, by outdoor expansion valve (not expression among the figure) decompression and expansion, and flow into the low temperature liquid cold-producing medium of each coolant piping 43 inside under the effect of Air Blast fan 50 by the distributor 42 of outdoor heat converter 40, carry out heat exchange and absorb heat with the outdoor air of the low-temperature condition that flows into casing 10 inside, become the cryogenic gaseous cold-producing medium.
At this moment, airborne moisture will carry out the surperficial frosting of the outdoor heat converter 40 of heat exchange with outdoor air, reduces the heat exchange efficiency of heat exchanger 40, therefore, and in order to remove the frost on heat exchanger 40 surfaces, every the running that defrosts of regular hour section.
The defrost water that produces in the defrosting running is when outside air temperature drops to below 5～7 ℃, in the process that flows along drainage channel 12 and discharge, begin to freeze by osculum 13, the final heap ice phenomenon that takes place, in order to prevent this phenomenon, a part of lower end of outdoor heat converter 40 is immersed in the drainage channel, 20～30 ℃ of high temperature refrigerants that utilization flows into from indoor set have prevented freezing of draining, can carry out draining glibly.
And, outdoor heat converter 40 cross that cold junction 41 melts the defrost water of freezing or in order to prevent to freeze during heat release, the cold-producing medium of crossing in the cold junction can be cooled to lower temperature, can improve the refrigerating efficiency of whole system.
Claims (1)
1. the off-premises station of an air-conditioner prevents the draining device that freezes, be provided with gas-liquid separator and compressor on the centre above the chassis of the casing inside of the off-premises station of air-conditioner, be provided with outdoor heat converter along the casing periphery, on chassis (11), form the drainage channel (12) of groove shape along the neighboring, the bottom surface of running through drainage channel (12) forms osculum (13); Outdoor heat converter (40) is provided with along the drainage channel (12) on chassis, its lower end is immersed in the drainage channel (12), it is characterized in that heating the overcooled cold junction (41) of crossing of cold-producing medium that when running flows into from indoor set being provided with on the lower end of outdoor heat converter (40) to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019899 CN1719144B (en) | 2004-07-08 | 2004-07-08 | Device of air conditioner outdoor unit for preventing drained water from freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019899 CN1719144B (en) | 2004-07-08 | 2004-07-08 | Device of air conditioner outdoor unit for preventing drained water from freezing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719144A CN1719144A (en) | 2006-01-11 |
| CN1719144B true CN1719144B (en) | 2010-06-02 |
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ID=35931045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019899 Expired - Fee Related CN1719144B (en) | 2004-07-08 | 2004-07-08 | Device of air conditioner outdoor unit for preventing drained water from freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1719144B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4892713B2 (en) * | 2008-08-25 | 2012-03-07 | シャープ株式会社 | Air conditioner |
| CN107003016B (en) * | 2014-12-26 | 2020-03-06 | 三菱电机株式会社 | Outdoor machine |
| CN108195100B (en) * | 2017-12-15 | 2022-04-29 | 海尔智家股份有限公司 | Refrigerator and evaporator for same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407276Y (en) * | 2000-01-25 | 2000-11-22 | 海尔集团公司 | Casing bottom for outdoor unit of air conditioner |
| JP2001165472A (en) * | 1999-12-02 | 2001-06-22 | Matsushita Refrig Co Ltd | Outdoor unit of air conditioner |
| CN2616834Y (en) * | 2003-04-30 | 2004-05-19 | 熊晓强 | Up-air-out split air-conditioning outdoor unit |
-
2004
- 2004-07-08 CN CN 200410019899 patent/CN1719144B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001165472A (en) * | 1999-12-02 | 2001-06-22 | Matsushita Refrig Co Ltd | Outdoor unit of air conditioner |
| CN2407276Y (en) * | 2000-01-25 | 2000-11-22 | 海尔集团公司 | Casing bottom for outdoor unit of air conditioner |
| CN2616834Y (en) * | 2003-04-30 | 2004-05-19 | 熊晓强 | Up-air-out split air-conditioning outdoor unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1719144A (en) | 2006-01-11 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20110708 |