CN100516695C - 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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- CN100516695C CN100516695C CNB2004100198894A CN200410019889A CN100516695C CN 100516695 C CN100516695 C CN 100516695C CN B2004100198894 A CNB2004100198894 A CN B2004100198894A CN 200410019889 A CN200410019889 A CN 200410019889A CN 100516695 C CN100516695 C CN 100516695C
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- outdoor heat
- air
- heat converter
- pipe arrangement
- compressor
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Abstract
The present invention discloses a device capable of preventing discharged water from icing for outdoor machine of air conditioner. It includes the following components: gas-liquid separator and compressor placed in the interior of machine shell, outdoor heat exchanger placed along its peripheral edge, downwards recessed dewatering channel set along the side face of heat exchanger on the baseplate and several dewatering holes set on said dewatering channel. Said invention can smoothly discharge water and can prevent the discharged water from icing.
Description
Technical field
The invention relates to air-conditioner, particularly a kind of air-conditioner outdoor unit prevents the draining device that freezes.Winter air-conditioner heat in the process of running, when turning round in order to defrost to the outdoor heat converter defrosting, the drainage channel of defrost water on the chassis that the defrosting back produces flows, and osculum outflow by being provided with on the passage bottom, but because ambient temperature is low excessively, defrost water begins to freeze, and ice has been blocked osculum thus, the amount of freezing is increasing, so the present invention prevents the draining device that freezes about what prevent air-conditioner outdoor unit that above-mentioned phenomenon takes place.
Background technology
Usually, air-conditioner roughly is divided into integral air conditioner and detachable air conditioner.Recently,, in the therefore large-scale air-conditioner, on off-premises station, be equipped with several compressors, effectively corresponding various refrigeration requirements because market is more and more higher for the requirement of the refrigerating capacity of detachable air conditioner.
Below, the off-premises station of the air-conditioner of accompanying drawings conventional art.
Fig. 1 is the positive open oblique view of the air-conditioner outdoor unit of conventional art, and Fig. 2 is the profile of the air-conditioner outdoor unit drainage channel structure of conventional art.
As shown in the figure, the off-premises station of air-conditioner comprised in the past: 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; Be positioned at the outdoor heat converter 140 of casing 110 interior peripheries.
Described casing 110 comprises: adopt tetragonal structure to be arranged on the chassis 111 of casing 110 bottoms, support gas-liquid separator 120, compressor 130 and outdoor heat converter 140 etc.; Above chassis 111, be provided with top board 115, adopt tetragonal structure, maintain a certain distance; Several carriages 114 are set between chassis 111 and top board 115 to be constituted.
On top board 115, run through the plate face hatch frame is set, several blowing fans 150 are set respectively in each open area, send air, promote outdoor heat converter 140 heat exchange thus to the outside.
Periphery along each side and back on chassis 111 is provided with each outdoor heat converter 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.
And, side along outdoor heat converter 140 is provided with the drainage channel 112 that extrusion forming is a groove, when defrosting running, discharge the defrost water of dissolving the back drippage on the outdoor heat converter, or flow into the snow-broth or the rainwater of casing 110 inside and run through several osculums 113 of drainage channel 112 bottom surfaces.By osculum 113 water of inside is discharged to the outside.
When the air-conditioner in the past that as above constitutes heats running, heat the high-temperature high-pressure refrigerant that flow out the back in the indoor set (not shown), after passing through the outdoor expansion valve (not shown) of 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 carries out heat exchange and absorbs heat with the outdoor air that flows into the low-temperature condition in the casing under the effect of blowing fan, becomes 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, thus the high-temperature gas cold-producing medium (not shown) that in indoor set, circulates repeatedly.
This 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 outdoor heat converter thus, therefore will often carry out the defrosting running of a period of time, remove the frost on outdoor heat converter 140 surfaces.
At this moment, the white water that outdoor heat converter 140 surfaces produce will 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, when the outside air temperature in winter drops to below 5～7 ℃, will begin to freeze by near the remaining defrost water the osculum 113, finally blocked osculum 113, therefore the defrost water that produces in the defrosting running subsequently just can't normally be discharged, ice amount around the osculum 113 can get more and more, the below of last covering chamber outer heat-exchanger.
Summary of the invention
Technical problem to be solved by this invention is, what a kind of air-conditioner outdoor unit was provided prevents the draining device that freezes, the defrost water that produces during discharge defrosting running by drainage channel and osculum smoothness.
The technical solution adopted in the present invention is: comprise gas-liquid separator and compressor are set in the casing, and outdoor heat converter is set along the lateral surface of gas-liquid separator and compressor, on the chassis, side along outdoor heat converter is provided with recessed drainage channel downwards, and the osculum that several run through the bottom surface is set on drainage channel, it is characterized in that, on the chassis, plate shape passage is set, the high temperature refrigerant on circuitous a part of inflow outdoor heat exchanger along drainage channel.
The two ends of above-mentioned plate shape passage are connected with the suction pipe arrangement of compressor output pipe arrangement and gas-liquid separator.
The two ends of above-mentioned plate shape passage cross the suction pipe arrangement of cold junction with outdoor heat converter and the output pipe arrangement of outdoor heat converter is connected.
Each connecting pipings of above-mentioned connecting plate shape passage is provided with controlled valve.
In sum, the invention has the beneficial effects as follows, among the present invention, a part is crossed the high temperature refrigerant of cold junction from the indoor set inflow outdoor heat exchanger, along the preventing that draining from freezing and flow in the pipe arrangement of drainage channel setting, prevented freezing of draining thus, can be smooth carry out draining.
Description of drawings
Fig. 1 is the positive open oblique view of the air-conditioner outdoor unit of conventional art,
Fig. 2 is the profile of the air-conditioner outdoor unit drainage channel structure of conventional art,
Fig. 3 is the local amplification oblique drawing in air-conditioner outdoor unit drainage channel cross section in the past,
Fig. 4 is the open oblique view in front that air-conditioner outdoor unit of the present invention prevents the icing device of draining,
Fig. 5 is the oblique view on air-conditioner outdoor unit of the present invention chassis,
Fig. 6 is the plane that the air-conditioner outdoor unit in the embodiment of the invention prevents the pipe arrangement bonding state of icing device,
Fig. 7 is the plane that the air-conditioner outdoor unit of another embodiment of the present invention prevents the pipe arrangement bonding state of icing device.
Among the figure:
1: off-premises station 10: casing
11: chassis 12: drainage channel
13: osculum 14: plate shape passage
15: lamination 16,17: connecting pipings
18: suck pipe arrangement 19: compressor output pipe arrangement
20: shared gas-liquid separator 21,22: controlled valve
30: compressor 40: outdoor heat converter
41: cross cold junction and suck pipe arrangement 42: cross cold junction output pipe arrangement
43: suck pipe arrangement 44: the output pipe arrangement of outdoor heat converter
60: the side
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 4 is the positive open oblique view of air-conditioner outdoor unit that prevents the icing device of draining of the present invention, Fig. 5 is the oblique view on air-conditioner outdoor unit of the present invention chassis, and Fig. 6 is the plane that the air-conditioner outdoor unit in the embodiment of the invention prevents the pipe arrangement bonding state of icing device.
As shown in the figure, comprise in the off-premises station 1 of air-conditioner of the present invention: the inner spatial accommodation that forms, the side is provided with the right angle hexahedron casing 10 of hatch frame; Gas-liquid separator 20 is arranged on casing 10 inside, and cold-producing medium is carried out gas-liquid separation; The several compressors 30 of the cold-producing medium after the compression gas-liquid separator separates; Outdoor heat converter 40 is arranged on the open area of casing 10, makes inner cold-producing medium carry out heat exchange.
Described casing 10 comprises: tetragonal structure is adopted on chassis 11, is arranged on casing 10 bottoms, supports gas-liquid separator 20 and compressor 30 and outdoor heat converter 40 etc.; Maintain a certain distance with chassis 11, be arranged on the top board 115 of casing 10 tops; Several carriages 114 are set between chassis 11 and the top board 115 to be constituted.
On described top board 115, run through the plate face hatch frame is set, and several blowing fans 50 are set respectively in each open area,, make outdoor heat converter 40 heat exchange by send air to the outside.
Periphery along two sides 60 and back on described chassis 11 is provided with each outdoor heat converter 40, and is provided with a pair of compressor 30 and the shared gas-liquid separator 20 of gaseous refrigerant is provided for each compressor 30 on the center of outdoor heat converter 40.
And, it is the drainage channel 12 of groove that extrusion forming is set along the side of outdoor heat converter 40, when defrosting running, discharge defrost water or snow-broth or rainwater in the inflow casing 10 that dissolves the back drippage on the outdoor heat converter 40 and several osculums 13 that run through drainage channel 12 bottom surfaces.
When winter, air-conditioner heated running, in order to prevent that outdoor heat converter 40 from defrosting when running, the water of defrosting is in the process of discharging, drainage channel is subjected to the influence of extraneous lower temperature and freezes, plate shape passage 14 is set, the high temperature refrigerant of circuitous a part of compressor 30 outputs prevents that thus draining is icing.
Described plate shape passage 14 the bottom surface of drainage channel 12 or above on, the plate shape passage 14 that the method setting that utilization is pressed into or welds can form by the lamination 15 of certain spacing stack, the cold-producing medium of circuitous high temperature is flowed along plate shape passage 14, prevent that draining is icing at drainage channel 12 and osculum 13.
One end is set in the inside of described plate shape passage 14 is connected compressor output pipe arrangement 19, the high temperature refrigerant of circuitous thus a part of compressor 30 compression back outputs, and the other end is connected each connecting pipings 16,17 on the suction pipe arrangement 18 of shared gas-liquid separator 20.
With connecting pipings 16 that the output pipe arrangement 19 of compressor 30 combines on, the controlled valve of control by the circuitous refrigerant amount of plate shape passage 14 is set.Described controlled valve is two to controlled valve.
Below, prevent that for the air-conditioner outdoor unit of the present invention that as above constitutes the technique effect of the icing device of draining from describing.
When air-conditioner heats running, the indoor set (not shown) is when heating, the high-temperature high-pressure refrigerant that flows out is by after the outdoor expansion valve (not shown) of off-premises station 1, decompression is also expanded, distributor by outdoor heat converter 40, the low temperature liquid cold-producing medium that flows into each refrigerant pipe inside carries out heat exchange and absorbs heat with the outdoor air of the low-temperature condition that flows into casing 1 inside under the effect of blowing fan 50, becomes the cryogenic gaseous cold-producing medium.Then, the cryogenic gaseous cold-producing medium carries out gas-liquid separation in shared gas-liquid separator 20 after, flow into each compressor 30 inside with the state of pure gas and be compressed, export indoor set (not shown) inside to along compressor output pipe arrangement 19 afterwards.
At this moment, under the effect of blowing fan 50, the outdoor air and the outdoor heat converter 40 that flow into casing 10 inside carry out heat exchange, thus in the surperficial frosting of outdoor heat converter 40, reduce the heat exchange efficiency of outdoor heat converter 40 thus, therefore in order to remove the frost on outdoor heat converter 40 surfaces, every the running that defrosts of regular hour section.
But, when outside air temperature is fallen below 5～7 ℃, draining along drainage channel 12 flow and the processes of discharging by osculum 13 in begin to freeze, shutoff as a result osculum 13, heap ice phenomenon takes place.
Therefore, in the present invention, be provided with plate shape passage 14, and utilize plate shape passage 14 a part of high temperature refrigerant of exporting after the compressor compresses along drainage channel 12 bottom surfaces, travel back across in the suction pipe arrangement 18 of shared gas-liquid separator 20, prevented freezing of draining thus.
And, as shown in Figure 7, in another embodiment of the present invention, air-conditioner outdoor unit prevents in the icing structure of draining, plate shape passage 14 inside that form in the 11 drainage channel bottom surfaces along the chassis are provided with an end and are connected outdoor heat converter 40 cold junction suction pipe arrangement 41 excessively, thus when heating running, a circuitous part is crossed the high temperature refrigerant of cold junction from indoor set inflow outdoor heat exchanger 40, in passage, flow or when defrosting running, the part of refrigerant of inflow outdoor heat exchanger 40 after the compressor compresses is flowed in passage, and the other end is connected each connecting pipings 16,17 on the output pipe arrangement 44 of outdoor heat converter 40.
Be provided with respectively on the described connecting pipings 16,17 when heating or defrosting running, adjusting the controlled valve 21,22 of the circuitous high temperature refrigerant of control.
The cold junction of crossing of the symbol 42 expression outdoor heat converters in the accompanying drawing is exported pipe arrangement, the suction pipe arrangement of 43 expression outdoor heat converters.
Have air-conditioner outdoor unit in an alternative embodiment of the invention of said structure and prevent that draining from freezing in the structure, when heating running, the temperature of crossing cold junctions from indoor set (not shown) inflow outdoor heat exchanger 40 is the part of refrigerant in 20～30 ℃ of scopes at least, the plate shape passage 14 that forms on drainage channel 12 bottom surfaces travels back across in the output pipe arrangement of outdoor heat converter 40, defrost water and flow into the rainwater of casing 10 inside or snow-broth etc. when discharging thus prevents to be subjected to the influence of extraneous lower temperature and freezes.
And, when defrosting running, will be (promptly along the suction pipe arrangement of outdoor heat converter 40, output pipe arrangement at the outdoor heat converter that heats when running) flows and at a part of high temperature refrigerant of each compressor 30 compressions, travelled back across in the cold junction along plate shape passage 14, prevented thus that defrost water was icing.
By bottom surface plate shape passage 14 is set, a part of high temperature refrigerant of inflow outdoor heat exchanger 40 is directly contacted with drainage channel 12 bottom surfaces, prevented freezing of draining thus at drainage channel 12, thus can be smooth carry out draining.
Claims (4)
1. an air-conditioner outdoor unit prevents the draining device that freezes, comprise the gas-liquid separator (20) and the compressor (30) that are provided with in the casing (10), with the outdoor heat converter (40) that is provided with along the lateral surface of gas-liquid separator (20) and compressor (30), on chassis (11), side along outdoor heat converter (40) is provided with recessed drainage channel (12) downwards, and several osculums that run through the bottom surface (13) are set on drainage channel (12), it is characterized in that, (11) are gone up and along drainage channel (12) plate shape passage (14) are set on the chassis, the high temperature refrigerant on circuitous a part of inflow outdoor heat exchanger (40).
Air-conditioner outdoor unit according to claim 1 prevent the draining device that freezes, it is characterized in that the two ends of plate shape passage (14) are connected with the suction pipe arrangement (18) of compressor (30) output pipe arrangement (19) and gas-liquid separator (20).
3. air-conditioner outdoor unit according to claim 1 prevents the draining device that freezes, it is characterized in that the two ends of plate shape passage (14) cross the suction pipe arrangement (41) of cold junction with outdoor heat converter (40) and the output pipe arrangement (44) of outdoor heat converter (40) is connected.
According to claim 2 or 3 described air-conditioner outdoor units prevent the draining device that freezes, it is characterized in that each connecting pipings of connecting plate shape passage (14) is provided with controlled valve (21,22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100198894A CN100516695C (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 |
|---|---|---|---|
| CNB2004100198894A CN100516695C (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 |
|---|---|
| CN1719143A CN1719143A (en) | 2006-01-11 |
| CN100516695C true CN100516695C (en) | 2009-07-22 |
Family
ID=35931044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100198894A Expired - Fee Related CN100516695C (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) | CN100516695C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871678B (en) * | 2009-04-23 | 2013-07-31 | 乐金电子(天津)电器有限公司 | Window type air conditioner |
| CN106382775A (en) * | 2016-08-30 | 2017-02-08 | 大连冷冻机股份有限公司 | Semi-submerged pipe type heating and draining disc |
| CN111256217A (en) * | 2018-12-03 | 2020-06-09 | 苏州三星电子有限公司 | Outdoor unit and air conditioner |
| CN110779210B (en) * | 2019-11-13 | 2021-06-08 | 江苏浴普太阳能有限公司 | Air can hot water ware chassis device |
| JP6919697B2 (en) * | 2019-11-14 | 2021-08-18 | ダイキン工業株式会社 | Air conditioner |
| CN111692650B (en) * | 2020-06-10 | 2022-06-17 | 宁波奥克斯电气股份有限公司 | Water channel structure and wall-mounted air conditioner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407278Y (en) * | 2000-02-02 | 2000-11-22 | 海尔集团公司 | 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 |
| JP2002089930A (en) * | 2000-09-20 | 2002-03-27 | Fujitsu General Ltd | Air conditioner |
-
2004
- 2004-07-08 CN CNB2004100198894A patent/CN100516695C/en not_active Expired - Fee Related
Patent 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 |
| CN2407278Y (en) * | 2000-02-02 | 2000-11-22 | 海尔集团公司 | Outdoor unit of air conditioner |
| JP2002089930A (en) * | 2000-09-20 | 2002-03-27 | Fujitsu General Ltd | Air conditioner |
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| Publication number | Publication date |
|---|---|
| CN1719143A (en) | 2006-01-11 |
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Granted publication date: 20090722 Termination date: 20110708 |