CN109737509B - Air conditioning unit with crossed air ducts - Google Patents
Air conditioning unit with crossed air ducts Download PDFInfo
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- CN109737509B CN109737509B CN201910013177.8A CN201910013177A CN109737509B CN 109737509 B CN109737509 B CN 109737509B CN 201910013177 A CN201910013177 A CN 201910013177A CN 109737509 B CN109737509 B CN 109737509B
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides an air conditioning unit with crossed air channels, which comprises an air inlet, an air inlet valve, a rotary air channel, a filter, a chilled water surface cooler, a cold-heat exchanger, a fan, an air temperature electric heater, an air outlet valve and a water pan, wherein the air inlet is connected with the air inlet valve; the cold-heat exchanger comprises vertical air channels and transverse flow air channels which are arranged in a staggered mode, outdoor hot air enters the rotary air channel after sequentially passing through the air inlet and the vertical air channels of the cold-heat exchanger, and then flows out of the air outlet valve after passing through the air inlet valve, the filter and the refrigerated water surface cooler through the transverse flow air channels of the cold-heat exchanger, the fan and the air temperature electric heater. The scheme adopts the transverse flow plate type cold-heat exchanger arranged in the air conditioning unit, so that cold and hot air can exchange heat in a cross way, and the cold source after the outdoor natural heat source in summer and the surface air cooler are cooled and dehumidified is utilized, so that the running energy consumption of the air conditioner can be effectively reduced, the running efficiency is improved, and good economic and social benefits are achieved.
Description
Technical Field
The invention relates to an air conditioning unit, in particular to an air conditioning unit with crossed air ducts.
Background
In the prior art, the energy consumption of an air conditioning unit for refrigerating by using chilled water is high, the running cost loss of the unit is high, and particularly, when the temperature and humidity season are high in summer, a large amount of condensed water can be generated by a chilled water surface cooler to block a channel, so that an air supply channel is narrowed, and the resistance is increased. Part of the condensed water is pumped by the fan and sent to the air conditioning room, so that the dehumidification effect of the air conditioning unit is influenced.
Disclosure of Invention
The invention aims to provide an air conditioning unit with a crossed air duct aiming at the defects in the prior art, and the scheme adopts the arrangement of a transverse flow plate type cold-heat exchanger in the air conditioning unit, so that cold air and hot air can be subjected to cross heat exchange, and an outdoor natural heat source in summer and a cold source after a surface air cooler is cooled and dehumidified are utilized, so that the operating energy consumption of the air conditioner can be effectively reduced, the operating efficiency is improved, and good economic and social benefits are achieved.
The scheme is realized by the following technical measures:
an air conditioning unit with crossed air channels comprises an air inlet, an air inlet valve, a rotary air channel, a filter, a chilled water surface cooler, a cold-heat exchanger, a fan, an air temperature electric heater, an air outlet valve and a water pan; the cold-heat exchanger comprises vertical air channels and transverse flow air channels which are arranged in a staggered mode, outdoor hot air enters the rotary air channel after sequentially passing through the air inlet and the vertical air channels of the cold-heat exchanger, and then flows out of the air outlet valve after passing through the air inlet valve, the filter and the refrigerated water surface cooler through the transverse flow air channels of the cold-heat exchanger, the fan and the air temperature electric heater.
The scheme is preferably as follows: the vertical channel and the cross flow channel are completely isolated and can exchange heat.
The scheme is preferably as follows: a water receiving tray is arranged below the refrigerated water surface cooler and the cold-heat exchanger.
The scheme is preferably as follows: the vertical air duct and the cross flow air duct of the cold-heat exchanger are corrugated.
The scheme is preferably as follows: the tail end of the cross flow air duct is provided with a water retaining return hook.
The scheme is preferably as follows: the water pan is closely contacted with the rotary air duct.
The scheme is preferably as follows: the bottom of the water pan is provided with a spraying port which is communicated with the rotary air duct.
The scheme is preferably as follows: the bottom of the rotary air duct is provided with a water outlet.
The cross-flow plate type cold-heat exchanger with the cross air channel for heat exchange has the advantages that the cross-flow plate type cold-heat exchanger with the cross air channel for heat exchange is adopted in the scheme, so that cold carried by cold air passing through the chilled water surface cooler can be used for cooling hot air entering the air conditioning unit, and meanwhile, condensed water collected from the water receiving tray arranged below can also be used for cooling the hot air again; meanwhile, the heat of external hot air is utilized to heat the refrigerated cold air, so that the energy consumption of the air conditioning unit can be obviously reduced, the operation effect is improved, and good economic and social benefits are achieved.
Therefore, compared with the prior art, the invention has substantive characteristics and progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning unit in the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of a cold-heat exchanger.
In the figure, 1 is an air inlet, 2 is an air inlet valve, 3 is a filter, 4 is a refrigerated water surface cooler, 5 is a water receiving tray, 6 is a fan, 7 is an air temperature electric heater, 8 is an air outlet valve, 9 is a cold-heat exchanger, 10 is a rotary air channel, 11 is a water retaining return hook, 12 is a vertical air channel, 13 is a cross flow air channel, 14 is a water retaining plate, 15 is a spray opening, and 16 is a water outlet.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 2, the scheme comprises an air inlet, an air inlet valve, a filter, a chilled water surface cooler, a water baffle, an air temperature electric heater, an air outlet valve, a cross-flow plate type cold-heat exchanger and a water receiving disc; hot air entering from the air inlet sequentially passes through the cross flow plate type cold-heat exchanger, the air inlet valve, the filter and the chilled water surface cooler, then passes through the cross flow plate type cold-heat exchanger, the fan and the air temperature electric heater, and then flows out from the air outlet valve; the cross flow plate type cold-heat exchanger comprises a hot air channel and a cold air channel which are arranged in a crossed manner; the hot air enters the chilled water surface cooler from the hot air channel after passing through the filter, and the cold air passing through the chilled water surface cooler enters the fan from the cold air channel. The hot air channel and the cold air channel are completely isolated and can exchange heat. A water receiving tray is arranged below the refrigerated water surface cooler and the cross flow plate type cold-heat exchanger. The vertical air duct and the cross flow air duct of the cold-heat exchanger are corrugated. The tail end of the cross flow air duct is provided with a water retaining return hook. The water pan is closely contacted with the rotary air duct. The bottom of the water pan is provided with a spraying port which is communicated with the rotary air duct. The bottom of the rotary air duct is provided with a water outlet.
When the air conditioning unit operates, external hot air enters the rotary air duct from the vertical air duct and then enters the transverse flow air duct after being cooled by the chilled water surface cooler, cold air after cooling can pre-cool the hot air in the vertical air duct, partial cold energy is utilized and then enters the rear-stage air duct, the heat of the hot air can also play a role in warming the cold air, and the heating energy consumption of the air temperature heater in the rear-stage air duct can be reduced.
The air duct shape of the cold-hot heat exchanger is corrugated, the flow velocity of air can be reduced, the heat exchange efficiency is improved, and meanwhile, condensed water can be condensed on the side wall of the cold-hot heat exchanger conveniently. Water retaining return hook arranged at tail end of cross flow air ductLifting ofThe effect of the water baffle in the prior art is achieved, the effect of preventing condensed water from being blown into a rear-stage air duct is also achieved, and the water baffle efficiency is improved.
The water receiving tray arranged below the chilled water surface cooler and the cold-hot heat exchanger plays a role in storing condensed water, and can play a role in reducing the wall temperature of the rotary air duct due to the close contact of the chilled water surface cooler and the cold-hot heat exchanger with the rotary air duct, so that waste cold energy can be further utilized to cool hot air in the rotary air duct. And the water collector still is provided with the heat-conducting plate and makes its extension to air inlet valve below to closely contact with the outer wall of air inlet valve, realize carrying out the effect of precooling to the wind that gets into through the outer wall that transmits cold volume to air inlet valve. When more condensed water exists, the condensed water can be sprayed into the rotary air duct in a mist shape through the spraying opening, and the effect of reducing the air temperature in the rotary air duct is further achieved. And this device can also effectively remove dust, through spraying and in cold and hot heat exchanger department, the dust condenses out along with the moisture in the air to discharge along with the condensate.
According to the scheme, the energy of the outdoor hot air and the cold air behind the chilled water surface cooler can be utilized to pre-cool the outdoor hot air and heat the cooled and dehumidified cold air, and the running power consumption of the air conditioning unit can be remarkably reduced. Improve the operation effect and realize energy conservation and consumption reduction.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (4)
1. The utility model provides an air conditioning unit with alternately wind channel which characterized by: comprises an air inlet, an air inlet valve, a rotary air duct, a filter, a chilled water surface cooler, a cold-heat exchanger, a fan, an air temperature electric heater, an air outlet valve and a water pan; the cold-heat exchanger comprises vertical air channels and cross flow air channels which are arranged in a staggered mode, outdoor hot air enters the rotary air channel after passing through the air inlet and the vertical air channels of the cold-heat exchanger in sequence, then passes through the air inlet valve, the filter and the chilled water surface cooler by the rotary air channel, then passes through the cross flow air channels of the cold-heat exchanger, the fan and the air temperature electric heater and then flows out of the air outlet valve; a water receiving tray is arranged below the chilled water surface cooler; the water receiving disc is positioned above the rotary air duct and is in close contact with the rotary air duct; the shape of the cross flow air duct of the cold-heat exchanger is corrugated; and the tail end of the cross flow air duct is provided with a water retaining return hook.
2. The air conditioning unit with intersecting ducts of claim 1, wherein: the vertical channel and the cross flow channel are completely isolated and can exchange heat.
3. The air conditioning unit with intersecting ducts of claim 1, wherein: and a spraying opening is formed in the bottom of the water receiving disc and communicated with the rotary air duct.
4. The air conditioning unit with intersecting ducts of claim 1, wherein: and a water outlet is formed in the bottom of the rotary air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910013177.8A CN109737509B (en) | 2019-01-07 | 2019-01-07 | Air conditioning unit with crossed air ducts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910013177.8A CN109737509B (en) | 2019-01-07 | 2019-01-07 | Air conditioning unit with crossed air ducts |
Publications (2)
| Publication Number | Publication Date |
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| CN109737509A CN109737509A (en) | 2019-05-10 |
| CN109737509B true CN109737509B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910013177.8A Active CN109737509B (en) | 2019-01-07 | 2019-01-07 | Air conditioning unit with crossed air ducts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114279945B (en) * | 2021-12-27 | 2023-11-03 | 敦煌研究院 | Test cabin for simulating winter climate erosion full-scale sample |
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| CN109737509A (en) | 2019-05-10 |
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