CN1719146A - Outdoor unit of air conditioner having device for preventing drained water from freezing - Google Patents
Outdoor unit of air conditioner having device for preventing drained water from freezing Download PDFInfo
- Publication number
- CN1719146A CN1719146A CN 200410019917 CN200410019917A CN1719146A CN 1719146 A CN1719146 A CN 1719146A CN 200410019917 CN200410019917 CN 200410019917 CN 200410019917 A CN200410019917 A CN 200410019917A CN 1719146 A CN1719146 A CN 1719146A
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- draining
- gas
- air conditioner
- outdoor unit
- pipe arrangement
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Abstract
The present invention discloses an outdoor machine with the device capable of preventing discharged water from icing for air conditioner. It includes the following components: a machine shell, a baseplate, a dewatering channel set along the peripheral edge of said baseplate, and said dewatering channel is equipped with several dewatering holes, a gas-liquid separator, several compressors and a device for preventing discharged water from icing. Besides, said invention also provides its working principle.
Description
Technical field
The present invention relates to a kind of outdoor unit of air conditioner, particularly relate to a kind of outdoor unit of air conditioner that heats running in winter with the icing device of the draining of preventing.
Background technology
Usually, air-conditioner according to the composition mode of its unit divide into haply with 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, 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 outdoor unit of air conditioner of accompanying drawings prior art.
Fig. 1 is the structural representation after the outdoor unit of air conditioner front of prior art is opened; Fig. 2 is the floor map behind the section of prior art outdoor unit of air conditioner drainage channel structure; Fig. 3 is the local enlarged diagram in existing one-driven-several type outdoor unit of air conditioner drainage channel cross section.
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; The outdoor heat converter 140 that cold-producing medium is carried out heat exchange that sets up along casing 110 interior peripheries.
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 the heat exchange of outdoor heat converter 140 thus by discharging air to the outside.
On chassis 111, set up several outdoor heat converters 140, and a pair of compressor 130 has been installed and the shared gas-liquid separator 120 of gaseous refrigerant is provided for each compressor 130 at the center position of outdoor heat converter 140 along the periphery of each side and back.
Being provided with when running of defrosting along the side of outdoor heat converter 140 discharges the defrost water of dissolving the back drippage on the outdoor heat converter, or flows into the snow-broth of casing 110 inside and the extrusion forming of passing through of rainwater is the drainage channel 112 of groove and several osculums 113 that run through drainage channel 112 bottom surfaces.By osculum 113 water of inside is discharged to the outside.
As above the existing air-conditioner of Gou Chenging is when heating running, heat the high-pressure refrigerant that flow out the back at the indoor set (not shown), behind the outdoor expansion valve (not shown) 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 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 Air Blast 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, high-temperature gas cold-producing medium (not shown) circulation repeatedly in indoor set thus.
This air-conditioner is in heating the process of running, moisture in the outdoor air will reduce the heat exchanger effectiveness of heat exchanger, therefore thus in the surperficial frosting of outdoor heat converter 140, usually need carry out the defrosting running of a period of time, remove the frost on heat exchanger 140 surfaces.
Owing to the defrosting running, the defrost water that outdoor heat converter 140 surfaces produce will flow in the recessed drainage channel 112 of outdoor heat converter 140 sides setting, and are 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, and the 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 defrost water that produces can guarantee the discharge defrosting running by drainage channel and osculum smoothness the time was provided has a freeze outdoor unit of air conditioner of device of the draining of preventing.
The technical solution adopted in the present invention is: a kind of have a freeze outdoor unit of air conditioner of device of the draining of preventing, comprising: a casing, casing have a chassis, and the chassis has runs through the drainage channel that is provided with several osculums along the neighboring; A gas-liquid separator that carries out gas-liquid separation for the cold-producing medium that is flowed into, it is fixed on the place, centre on the chassis; The several compressors of the gaseous refrigerant after absorption, compression and the output gas-liquid separation, it is erected at the side of gas-liquid separator; Part of refrigerant in a kind of high-temperature high-pressure refrigerant that makes after the compressor compresses travels back across anti-draining in the gas-liquid separator device that freezes after drainage channel flows.The described anti-draining device that freezes is by preventing that at freeze pipe arrangement and the opening and closing of fault of draining that prevent that comprises when set up the side of drainage channel that two ends are connected with the suction pipe arrangement of the output pipe arrangement of compressor and gas-liquid separator respectively the freeze controlled valve of pipe arrangement of draining from constituting.
By above explanation as can be known, outdoor unit of air conditioner with the icing device of the draining of preventing of the present invention, a part of high temperature refrigerant of compressor output makes a circulation along the icing device of draining that prevents along the drainage channel setting, utilizes high temperature refrigerant to prevent freezing of draining thus.And, when heating of indoor set loaded reduction, utilize controlled valve to control the flow of the cold-producing medium that returns along the icing device of anti-draining, thus can be according to the refrigerant flow that heats the suitable adjustment circulatory system inside of load of indoor set.
Description of drawings
Fig. 1 is the structural representation after the outdoor unit of air conditioner front of prior art is opened;
Fig. 2 is the floor map behind the section of prior art outdoor unit of air conditioner drainage channel structure;
Fig. 3 is the local enlarged diagram in existing one-driven-several type outdoor unit of air conditioner drainage channel cross section;
Fig. 4 is the structural representation after the outdoor unit of air conditioner front with the icing device of the draining of preventing of the present invention is opened;
Fig. 5 is the planar structure schematic diagram of outdoor unit of air conditioner drainage channel of the present invention;
Fig. 6 is the floor map of the erected state of the icing device of the anti-draining of outdoor unit of air conditioner of the present invention.
Wherein:
1: off-premises station 10: casing
11: chassis 12: drainage channel
13: osculum 16: the icing pipe arrangement of anti-draining
17: controlled valve 18: suck pipe arrangement
19: output pipe arrangement 20: gas-liquid separator
30: compressor
The specific embodiment
Below, explain the structure with outdoor unit of air conditioner of the icing device of the draining of preventing of the present invention in conjunction with the accompanying drawings.
Fig. 4 is the structural representation after the outdoor unit of air conditioner front with the icing device of the draining of preventing of the present invention is opened; Fig. 5 is the planar structure schematic diagram of outdoor unit of air conditioner drainage channel of the present invention; Fig. 6 is the floor map of the erected state of the icing device of the anti-draining of outdoor unit of air conditioner of the present invention.
As shown in the figure, the off-premises station 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 the several compressors 30 of the compressed refrigerant of casing 10 inside; Be arranged on the open area of casing 10, the outdoor heat converter 40 that makes inner cold-producing medium carry out heat exchange.
On top board 15, run through the plate face and be provided with hatch frame, 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 discharging air to the outside.
On chassis 11, set up several outdoor heat converters 40, and a pair of compressor 30 has been installed and the shared gas-liquid separator 20 of gaseous refrigerant is provided for each compressor 30 at the center position of outdoor heat converter 40 along the periphery of two sides and back.
Be provided with when running of defrosting discharges the defrost water of dissolving the back drippage on the outdoor heat converter 40 or flows into the snow-broth of casing 10 inside and the extrusion forming of passing through of rainwater is the drainage channel 12 of groove and several osculums 13 that run through drainage channel 12 bottom surfaces along the side of outdoor heat converter 40.
When winter, air-conditioner heated running, freeze in the process of defrost water draining in order to prevent drainage channel 12, be equipped with the icing device of anti-draining of the high temperature refrigerant of a part of compressor 30 outputs of can making a circulation.
The icing device of anti-draining comprises: an end is connected on the output pipe arrangement 19 of the cold-producing medium after each compressor 30 compressions of output, the other end is connected on the suction pipe arrangement 18 of gas-liquid separator 20, the part of refrigerant that makes compressor 30 compression back output is delivered to it once more and to be prevented the draining pipe arrangement 16 that freezes on the suction pipe arrangement 18 of gas-liquid separator 20 after drainage channel flows; Sealing or open prevent the draining pipe arrangement 16 that freezes from what output pipe arrangement 19 branches of compressor 30 came out, and adjust controlled valve 17 formations of its degree of opening.
Below, describe for the technique effect with outdoor unit of air conditioner of the icing device of the draining of preventing of the present invention that as above constitutes.
When air-conditioner heats running, the high-temperature high-pressure refrigerant that flows out after the indoor set (not shown) heats is after passing through the outdoor expansion valve (not shown) of off-premises station 1, decompression is also expanded, and flow into the low temperature liquid cold-producing medium of each refrigerant pipe inside under the effect of Air Blast fan 50 by the distributor 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 1 inside, become 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 output pipe arrangement 19 afterwards.
At this moment, airborne moisture will reduce the heat exchanger effectiveness of heat exchanger 40 thus carrying out the surperficial frosting of the outdoor heat converter 40 of heat exchange with outdoor air.Therefore, in order to remove the frost on heat exchanger 40 surfaces, every the regular hour running that need defrost.The defrost water that produces in the defrosting running begins to freeze when outside air temperature drops to below 5～7 ℃ in the process that flows along drainage channel 12 and discharge by osculum 13, and icing phenomena finally takes place.In order to prevent to freeze, compressor 30 compression backs are travelled back across along preventing in the icing pipe arrangement 16 of draining that drainage channel 12 sets up by a part of high temperature refrigerant of output pipe arrangement 19 outputs, utilize high temperature refrigerant to prevent that draining from freezing thus, thus can be smooth carry out draining.
Flow in the suction pipe arrangement 18 of gas-liquid separator 20 along the cold-producing mediums that prevent draining to freeze pipe arrangement 16 flows, after carrying out gas-liquid separation, flow into once more in the compressor 30 and be compressed, and flow in the indoor sets, circulate once more along output pipe arrangement 19.Thus, can corresponding indoor set (not shown) heat the variation of load, the flow of suitable adjustment cold-producing medium.Simultaneously, can reduce the hydrodynamic noise that causes owing to refrigerant flow is excessive in the indoor set (not shown).
Claims (2)
1. one kind has the freeze outdoor unit of air conditioner of device of the draining of preventing, comprises a casing (10), and casing (10) has a chassis (11), and chassis (11) have and run through the drainage channel (12) that is provided with a plurality of osculums (13) along the neighboring; A gas-liquid separator (20) that carries out gas-liquid separation for the cold-producing medium that is flowed into is fixed on the centre of top, chassis (11); The several compressors (30) of the gaseous refrigerant after absorption, compression and the output gas-liquid separation is erected at the side of gas-liquid separator (20), it is characterized in that, also be provided with part of refrigerant in the high-temperature high-pressure refrigerant that makes after compressor (30) compression and after drainage channel (12) flows, travel back across anti-draining in the gas-liquid separator (20) device that freezes.
2. the outdoor unit of air conditioner with the icing device of the draining of preventing according to claim 1, it is characterized in that the described anti-draining device that freezes is by preventing freeze controlled valve (17) formation of pipe arrangement (16) of draining at freeze pipe arrangement (16) and the opening and closing of fault of draining that prevent that comprises when set up the side of drainage channel (12) that two ends are connected with the suction pipe arrangement (18) of the output pipe arrangement (19) of compressor (30) and gas-liquid separator (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199172A CN100516696C (en) | 2004-07-08 | 2004-07-08 | Outdoor unit of air conditioner having device for preventing drained water from freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199172A CN100516696C (en) | 2004-07-08 | 2004-07-08 | Outdoor unit of air conditioner having device for preventing drained water from freezing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719146A true CN1719146A (en) | 2006-01-11 |
| CN100516696C CN100516696C (en) | 2009-07-22 |
Family
ID=35931047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100199172A Expired - Fee Related CN100516696C (en) | 2004-07-08 | 2004-07-08 | Outdoor unit of air conditioner having device for preventing drained water from freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516696C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187158A (en) * | 2008-08-25 | 2011-09-14 | 夏普株式会社 | Air conditioner |
| CN109073249A (en) * | 2016-04-21 | 2018-12-21 | 大金工业株式会社 | Heat source unit |
| EP3514457A4 (en) * | 2016-09-29 | 2019-10-16 | Daikin Industries, Ltd. | Heat source unit |
Family Cites Families (4)
| 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 |
| CN2616834Y (en) * | 2003-04-30 | 2004-05-19 | 熊晓强 | Up-air-out split air-conditioning outdoor unit |
-
2004
- 2004-07-08 CN CNB2004100199172A patent/CN100516696C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102187158A (en) * | 2008-08-25 | 2011-09-14 | 夏普株式会社 | Air conditioner |
| CN102187158B (en) * | 2008-08-25 | 2013-12-18 | 夏普株式会社 | Air conditioner |
| US9010143B2 (en) | 2008-08-25 | 2015-04-21 | Sharp Kabushiki Kaisha | Air conditioner |
| CN109073249A (en) * | 2016-04-21 | 2018-12-21 | 大金工业株式会社 | Heat source unit |
| CN109073249B (en) * | 2016-04-21 | 2019-08-23 | 大金工业株式会社 | Heat source unit |
| EP3514457A4 (en) * | 2016-09-29 | 2019-10-16 | Daikin Industries, Ltd. | Heat source unit |
| US10753640B2 (en) | 2016-09-29 | 2020-08-25 | Daikin Industries, Ltd. | Heat source unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100516696C (en) | 2009-07-22 |
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Granted publication date: 20090722 Termination date: 20110708 |