CN105299755A - Indoor unit of air conditioner and air conditioning system with indoor unit - Google Patents

Indoor unit of air conditioner and air conditioning system with indoor unit Download PDF

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Publication number
CN105299755A
CN105299755A CN201510665489.9A CN201510665489A CN105299755A CN 105299755 A CN105299755 A CN 105299755A CN 201510665489 A CN201510665489 A CN 201510665489A CN 105299755 A CN105299755 A CN 105299755A
Authority
CN
China
Prior art keywords
indoor
heat exchanger
valve port
air
air conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510665489.9A
Other languages
Chinese (zh)
Inventor
张辉
彭光前
罗永前
熊军
吴俊鸿
廖敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201510665489.9A priority Critical patent/CN105299755A/en
Publication of CN105299755A publication Critical patent/CN105299755A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0059Indoor units, e.g. fan coil units characterised by heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers

Abstract

The invention provides an indoor unit of an air conditioner and an air conditioning system with the indoor unit. The indoor unit of the air conditioner comprises a condensed water pipe and a heat exchanger, wherein a condensed water channel which exchanges heat with indoor air is arranged in the heat exchanger; the condensed water channel communicates with the condensed water pipe. According to the technical scheme, the indoor unit of the air conditioner can effectively reduce dew on the wall of the condensed water pipe.

Description

Indoor apparatus of air conditioner and there is its air-conditioning system
Technical field
The present invention relates to the technical field of air-conditioner, in particular to a kind of indoor apparatus of air conditioner and the air-conditioning system with it.
Background technology
Under cooling condition, can produce a large amount of condensed waters during using air-condition device, the condensed water of indoor apparatus of air conditioner passes through condensate pipe directly discharged to outdoor in the prior art.
The condensate temperature that the indoor set of air-conditioner produces under cooling condition is lower, containing a large amount of colds.On the one hand, condensed water directly wastes a large amount of colds discharged to the processing method of outdoor, limits the further raising of energy efficiency of air conditioner ratio, causes the waste of the energy.The more important thing is: the temperature of the condensed water in condensate pipe is lower than the dew-point temperature of steam in room air, flow to outdoor process meeting and ambient air heat exchange by condensate pipe from indoor apparatus of air conditioner at condensed water, make the steam in room air produce condensation on the tube wall of condensate pipe.The water droplet that condensation is formed can drip after gathering too much and get off to drench wall, furniture, electrical equipment or floor etc., is also growing in a large number of bacterium and hiding some dangers for of security incident.
In order to avoid the liquefaction of indoor water steam, thick thermal insulation casing can be applied on condensate pipe in prior art, although this kind of mode serves certain effect, but which unsightly, take more space, and be difficult to not stay dead angle when laying thermal insulation casing, once existence is not applied to thermal insulation casing or thermal insulation casing contacts the phenomenon that condensation just can occur at not closely sealed position with condensate pipe tube wall.
Summary of the invention
Main purpose of the present invention is provide the indoor apparatus of air conditioner of condensation on a kind of tube wall that can reduce condensate pipe and have its air-conditioning system.
To achieve these goals, according to an aspect of the present invention, provide a kind of indoor apparatus of air conditioner, comprising: condensate pipe; Indoor apparatus of air conditioner also comprises: heat exchanger, and be provided with the condensation water channel with room air heat exchange in heat exchanger, condensation water channel is communicated with condensate pipe.
Further, indoor apparatus of air conditioner also comprises indoor heat exchanger, and indoor heat exchanger has coolant channel, and indoor heat exchanger forms heat exchanger.
Further, indoor apparatus of air conditioner also comprises housing and drip tray, and indoor heat exchanger and drip tray are all positioned at housing, and one end of condensate pipe is communicated with drip tray, and the other end of condensate pipe extends to the outside of housing.
Further, condensate pipe comprises the first pipeline section and the second pipeline section that are arranged on condensation water channel two ends, and the free end of the first pipeline section is communicated with drip tray, and the free end of the second pipeline section extends to the outside of housing.
Further, indoor apparatus of air conditioner also comprises condensed water conveying equipment, and condensed water conveying equipment is arranged on condensate pipe.
Further, condensed water conveying equipment comprises water pump or Tao Zhen fan.
According to a further aspect in the invention, provide a kind of air-conditioning system, comprise indoor apparatus of air conditioner, indoor apparatus of air conditioner is above-mentioned indoor apparatus of air conditioner.
Further, air-conditioning system also comprises outdoor heat exchanger and compressor, and indoor heat exchanger, compressor and outdoor heat exchanger are connected to form circulation in turn.
Further, air-conditioning system also comprises throttling arrangement, between throttling arrangement heat exchanger disposed in the interior and outdoor heat exchanger.
Further, throttling arrangement comprises electric expansion valve or capillary or restriction sleeve.
Further, air-conditioning system also comprises cross valve, cross valve has the first valve port, the second valve port, the 3rd valve port and the 4th valve port, first valve port is connected with the import of compressor, second valve port is connected with the outlet of compressor, 3rd valve port is connected with indoor heat exchanger, 4th valve port is connected with outdoor heat exchanger, first valve port is communicated with the 4th valve port and the second valve port is communicated with the 3rd valve port time indoor set be in the state of heating, the first valve port is communicated with the 3rd valve port and the second valve port is communicated with the 4th valve port time indoor set be in refrigerating state.
Apply technical scheme of the present invention, when indoor apparatus of air conditioner is in refrigerating state, condensation water channel and room air carry out heat exchange.The temperature of the condensed water in condensation water channel is lower, and therefore above-mentioned heat transfer process can effectively utilize the cold of condensed water, saves the energy, improves the Energy Efficiency Ratio of indoor apparatus of air conditioner.Meanwhile, heat transfer process can make the temperature of the condensed water in condensation water channel raise, and the condensation produced when the steam in air contacts with condensate pipe like this can reduce, and even no longer may form condensation on the tube wall of condensate pipe.Therefore technical scheme of the present invention can reduce the condensation on the tube wall of condensate pipe effectively.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to air-conditioner system of the present invention;
The air-conditioner system that Fig. 2 shows Fig. 1 is in structural representation when heating state; And
The air-conditioner system that Fig. 3 shows Fig. 1 is in structural representation during refrigerating state.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, indoor heat exchanger; 20, drip tray; 31, the first pipeline section; 32, the second pipeline section; 40, condensed water conveying equipment; 51, outdoor heat exchanger; 52, compressor; 53, throttling arrangement; 54, cross valve.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the indoor apparatus of air conditioner of the present embodiment comprises: condensate pipe and heat exchanger.Be provided with the condensation water channel with room air heat exchange in heat exchanger, condensation water channel is communicated with condensate pipe.
The technical scheme of application the present embodiment, when indoor apparatus of air conditioner is in refrigerating state, condensation water channel and room air carry out heat exchange.The temperature of the condensed water in condensation water channel is lower, and therefore above-mentioned heat transfer process can effectively utilize the cold of condensed water, saves the energy, improves the Energy Efficiency Ratio of indoor apparatus of air conditioner.Meanwhile, heat transfer process can make the temperature of the condensed water in condensation water channel raise, and the condensation produced when the steam in air contacts with condensate pipe like this can reduce, and even no longer may form condensation on the tube wall of condensate pipe.Therefore the technical scheme of the present embodiment can reduce the condensation on the tube wall of condensate pipe effectively.
As shown in Figure 1, in the technical scheme of the present embodiment, indoor apparatus of air conditioner also comprises indoor heat exchanger 10, and indoor heat exchanger 10 has coolant channel, and indoor heat exchanger 10 forms above-mentioned heat exchanger.Namely only adopt an indoor heat exchanger 10 just achieve cold-producing medium and condensed water simultaneously with room air heat exchange.Certainly, also can adopt two heat exchangers as those skilled in the art will appreciate that, one as indoor heat exchanger, another is only separately condensed water heat exchange.The technical scheme of the present embodiment only employs a heat exchanger, and therefore number of components has been lacked in the present embodiment letter, makes structure compacter.
As shown in Figure 1, in the technical scheme of the present embodiment, indoor apparatus of air conditioner also comprises housing and drip tray 20, and indoor heat exchanger 10 and drip tray 20 are all positioned at housing, one end of condensate pipe is communicated with drip tray 20, and the other end of condensate pipe extends to the outside of housing.Drip tray 20 be arranged so that the condensed water of indoor set is better collected together, and concentrate carry out heat exchange after discharge.
As shown in Figure 1, in the technical scheme of the present embodiment, the free end that condensate pipe comprises the first pipeline section 31 and the second pipeline section 32, first pipeline section 31 being arranged on condensation water channel two ends is communicated with drip tray 20, and the free end of the second pipeline section 32 extends to the outside of housing.Namely the first pipeline section 31 of condensate pipe is from drip tray 20 drainage cold water to indoor heat exchanger 10, and the condensed water after heat exchange discharges hull outside.Preferably, condensed water is after indoor heat exchanger 10, its temperature is higher than the dew-point temperature of water vapour in room air, and the temperature of the second pipeline section 32 of condensate pipe, higher than the dew-point temperature of water vapor in air, the tube wall of such second pipeline section 32 can not form condensation again.
As shown in Figure 1, in the technical scheme of the present embodiment, indoor apparatus of air conditioner also comprises condensed water conveying equipment 40, and condensed water conveying equipment 40 is arranged on condensate pipe.Condensed water conveying equipment 40 provides power for the condensed water in drip tray 20, this ensure that the condensed water in drip tray 20 discharges housing in time.
Particularly, in the technical scheme of the present embodiment, condensed water conveying equipment 40 is water pump.Certainly, being water pump as those skilled in the art will appreciate that condensed water conveying equipment 40 is not limited to, can being also the fluid delivery system structures such as Tao Zhen fan, providing the equipment of Power output to be all fine as long as condensed water can be embodied as.
The technical scheme of the present embodiment additionally provides a kind of air-conditioning system, comprises indoor apparatus of air conditioner, and indoor apparatus of air conditioner is above-mentioned indoor apparatus of air conditioner.Above-mentioned air-conditioning system can reduce the condensation that condensate pipe tube wall produces, and avoids the condensation that condensate pipe tube wall generates to drip and drenches wall, furniture, electrical equipment or floor etc.Certainly, as one skilled in the art will appreciate that air-conditioning system can have multiple independently indoor apparatus of air conditioner, the diverse location that multiple so independently indoor apparatus of air conditioner can be disposed in the interior.
As shown in Figure 1, in the technical scheme of the present embodiment, air-conditioning system also comprises outdoor heat exchanger 51 and compressor 52, and indoor heat exchanger 10, compressor 52 and outdoor heat exchanger 51 are connected to form circulation in turn.Said structure only not only achieves the heat exchange of cold-producing medium and air with indoor heat exchanger 10, but also achieves the heat exchange of condensed water and air, and therefore said structure is simple, and reliable, less input in increase.
As shown in Figure 1, in the technical scheme of the present embodiment, air-conditioning system also comprises throttling arrangement 53, between throttling arrangement 53 heat exchanger 10 disposed in the interior and outdoor heat exchanger 51.Said structure meets the aperture size by regulating throttling arrangement 53, realizes the different refrigerating capacity of air-conditioning system.
Particularly, in the technical scheme of the present embodiment, throttling arrangement 53 is electric expansion valve.Certainly, being electric expansion valve as those skilled in the art will appreciate that throttling arrangement 53 is not limited to, may also be for the device such as capillary or restriction sleeve, as long as the device of restriction effect or equipment or element can be realized.
As shown in Figure 1, in the technical scheme of the present embodiment, air-conditioning system also comprises cross valve 54, cross valve 54 has the first valve port, second valve port, 3rd valve port and the 4th valve port, first valve port is connected with the import of compressor 52, second valve port is connected with the outlet of compressor 52, 3rd valve port is connected with indoor heat exchanger 10, 4th valve port is connected with outdoor heat exchanger 51, first valve port is communicated with the 4th valve port and the second valve port is communicated with the 3rd valve port time indoor set be in the state of heating, first valve port is communicated with the 3rd valve port and the second valve port is communicated with the 4th valve port time indoor set be in refrigerating state.
Below in conjunction with Fig. 2, the workflow of air-conditioning system when heating is introduced:
When heating operation, condensed water conveying equipment 40 does not work.The high-temperature high-pressure refrigerant steam exporting out from compressor 52 enters the coolant channel cooling condensation of indoor heat exchanger 10 by cross valve 54, condensed liquid refrigerant enters throttling arrangement 53 reducing pressure by regulating flow, then evaporation endothermic in outdoor heat exchanger 51 is entered, heat exchanger 51 low-temperature low-pressure refrigerant steam out enters compressor 52 import by cross valve 54 outdoor, complete one action circulation, enter next working cycles.
Below in conjunction with Fig. 3, the workflow of air-conditioning system during refrigeration is introduced:
When refrigerating operaton, condensed water conveying equipment 40 works.The high-temperature high-pressure refrigerant steam exporting out from compressor 52 first enters outdoor heat exchanger 51 cooling condensation by cross valve 54, then by throttling arrangement 53 reducing pressure by regulating flow laggard enter the coolant channel entrance of indoor heat exchanger 10, evaporation endothermic in the coolant channel of indoor heat exchanger 10, the cold-producing medium low-pressure steam that the coolant channel of heat exchanger 10 exports out indoor enters compressor 52 import by cross valve 54, complete one action circulation, enter next working cycles.The condensed water of heat exchanger 10 surface inflow drip tray 20 enters the condensation water channel entrance of indoor heat exchanger 10 by condensed water conveying equipment 40 indoor, in the condensation water channel of indoor heat exchanger 10 heat exchange heat up, indoor the condensed water runner exit of heat exchanger 10 high-temperature condensation water out by condensate pipe discharged to outdoor.
Preferably, by being optimized design to indoor heat exchanger 10, the condensate temperature that heat exchanger 10 is indoor flowed out is higher than the dew-point temperature of the steam in room air, the steam that this ensure that in room air can not liquefy and invest the tube wall of condensate pipe, or even drip and drench wall, furniture, electrical equipment or floor etc., be growing in a large number of bacterium and hiding some dangers for of security incident.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. an indoor apparatus of air conditioner, comprising:
Condensate pipe;
It is characterized in that, described indoor apparatus of air conditioner also comprises:
Heat exchanger, is provided with the condensation water channel with room air heat exchange in described heat exchanger, described condensation water channel is communicated with described condensate pipe.
2. indoor apparatus of air conditioner according to claim 1, it is characterized in that, described indoor apparatus of air conditioner also comprises indoor heat exchanger (10), and described indoor heat exchanger (10) has coolant channel, and described indoor heat exchanger (10) forms described heat exchanger.
3. indoor apparatus of air conditioner according to claim 2, it is characterized in that, described indoor apparatus of air conditioner also comprises housing and drip tray (20), described indoor heat exchanger (10) and described drip tray (20) are all positioned at described housing, one end of described condensate pipe is communicated with described drip tray (20), and the other end of described condensate pipe extends to the outside of described housing.
4. indoor apparatus of air conditioner according to claim 3, it is characterized in that, described condensate pipe comprises the first pipeline section (31) and the second pipeline section (32) that are arranged on described condensation water channel two ends, the free end of described first pipeline section (31) is communicated with described drip tray (20), and the free end of described second pipeline section (32) extends to the outside of described housing.
5. indoor apparatus of air conditioner according to claim 3, is characterized in that, described indoor apparatus of air conditioner also comprises condensed water conveying equipment (40), and described condensed water conveying equipment (40) is arranged on described condensate pipe.
6. indoor apparatus of air conditioner according to claim 5, is characterized in that, described condensed water conveying equipment (40) comprises water pump or Tao Zhen fan.
7. an air-conditioning system, comprises indoor apparatus of air conditioner, the indoor apparatus of air conditioner of described indoor apparatus of air conditioner according to any one of claim 1 to 6.
8. air-conditioning system according to claim 7, it is characterized in that, described air-conditioning system also comprises outdoor heat exchanger (51) and compressor (52), and described indoor heat exchanger (10), described compressor (52) and described outdoor heat exchanger (51) are connected to form circulation in turn.
9. air-conditioning system according to claim 8, it is characterized in that, described air-conditioning system also comprises throttling arrangement (53), and described throttling arrangement (53) is arranged between described indoor heat exchanger (10) and described outdoor heat exchanger (51).
10. air-conditioning system according to claim 9, is characterized in that, described throttling arrangement (53) comprises electric expansion valve or capillary or restriction sleeve.
11. air-conditioning systems according to claim 8, it is characterized in that, described air-conditioning system also comprises cross valve (54), described cross valve (54) has the first valve port, second valve port, 3rd valve port and the 4th valve port, described first valve port is connected with the import of described compressor (52), described second valve port is connected with the outlet of described compressor (52), described 3rd valve port is connected with described indoor heat exchanger (10), described 4th valve port is connected with described outdoor heat exchanger (51), described first valve port is communicated with described 4th valve port and described second valve port is communicated with described 3rd valve port time described indoor set be in the state of heating, described first valve port is communicated with described 3rd valve port and described second valve port is communicated with described 4th valve port time described indoor set be in refrigerating state.
CN201510665489.9A 2015-10-14 2015-10-14 Indoor unit of air conditioner and air conditioning system with indoor unit Pending CN105299755A (en)

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Application Number Priority Date Filing Date Title
CN201510665489.9A CN105299755A (en) 2015-10-14 2015-10-14 Indoor unit of air conditioner and air conditioning system with indoor unit

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091114A (en) * 2016-06-22 2016-11-09 珠海格力电器股份有限公司 Indoor apparatus of air conditioner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191033A (en) * 2002-12-10 2004-07-08 Lg Electronics Inc Air conditioner
CN1782600A (en) * 2004-11-29 2006-06-07 乐金电子(天津)电器有限公司 Air conditioner with condensate unit
CN1782599A (en) * 2004-11-29 2006-06-07 乐金电子(天津)电器有限公司 Cold recovering device for condensate of indoor unit of air conditioner
KR20080003525A (en) * 2006-07-03 2008-01-08 엘지전자 주식회사 Air conditioner
CN202066164U (en) * 2010-11-26 2011-12-07 郑树谊 Heat exchanger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191033A (en) * 2002-12-10 2004-07-08 Lg Electronics Inc Air conditioner
CN1782600A (en) * 2004-11-29 2006-06-07 乐金电子(天津)电器有限公司 Air conditioner with condensate unit
CN1782599A (en) * 2004-11-29 2006-06-07 乐金电子(天津)电器有限公司 Cold recovering device for condensate of indoor unit of air conditioner
KR20080003525A (en) * 2006-07-03 2008-01-08 엘지전자 주식회사 Air conditioner
CN202066164U (en) * 2010-11-26 2011-12-07 郑树谊 Heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091114A (en) * 2016-06-22 2016-11-09 珠海格力电器股份有限公司 Indoor apparatus of air conditioner

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Application publication date: 20160203

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