US20140090411A1 - Heat pump system and air-conditioner - Google Patents

Heat pump system and air-conditioner Download PDF

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Publication number
US20140090411A1
US20140090411A1 US14/066,703 US201314066703A US2014090411A1 US 20140090411 A1 US20140090411 A1 US 20140090411A1 US 201314066703 A US201314066703 A US 201314066703A US 2014090411 A1 US2014090411 A1 US 2014090411A1
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United States
Prior art keywords
pump system
air
heat
heat pump
radiation plate
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.)
Abandoned
Application number
US14/066,703
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English (en)
Inventor
Yingning HU
Biao Li
Jun Lin
Chengyong WANG
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.)
GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP Co Ltd
Guangxi University
Original Assignee
GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP Co Ltd
Guangxi University
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 GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP Co Ltd, Guangxi University filed Critical GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP Co Ltd
Assigned to GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP CO., LTD, GUANGXI UNIVERSITY reassignment GUANGXI JUNFUHUANG GROUND SOURCE HEAT PUMP CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HU, YINGNING, LI, BIAO, LIN, JUN, WANG, CHENGYONG
Publication of US20140090411A1 publication Critical patent/US20140090411A1/en
Priority to US15/663,816 priority Critical patent/US10663198B2/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • F24F12/003—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/001—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F2003/003—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems with primary air treatment in the central station and subsequent secondary air treatment in air treatment units located in or near the rooms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F24F2013/227—Condensate pipe for drainage of condensate from the evaporator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • the present application elates to an air-conditioner, and in particular, to a heat pump system and an air-conditioner.
  • the air-conditioner generally refers herein to a room air conditioner, and specifically is a set for providing conditioned air into a room (or an enclosed space or area). Most of conventional air-conditioners perform cooling or heating in the room in convective heat-transfer manner.
  • a fan coil may serve as the terminal unit of an air-conditioner.
  • a fan is provided in the fan coil in advance. Air in the region of the fan coil is circulated continuously under the action of the fan.
  • the air is cooled or heated after flowing through a refrigerant coil or a hot-water (or chilled-water) coil, thereby cooling or heating the room. Because cooling or heating is achieved in the convective heat-transfer manner, the indoor temperature is not uniform. Either cooling or heating, the indoor temperature difference is generally greater than 10 degrees centigrade, even more than 20 degrees centigrade. Part of the cool or hot airflow is too large, which results in uncomfortableness of a human body, local cold, or even illness.
  • a radiation coil is adopted at the terminal of air-conditioner.
  • the radiation coil is provided therein with chilled water (or hot water), and is arranged on the surface structure of the building (the ceiling surface or the ground surface).
  • the chilled water (or hot water) in the radiation coil cools or heats a particular area in radiating manner.
  • Such a structure of air-conditioner achieves the uniform cooling or heating to a certain extent, however, the water circulation loop of the radiation coil is required to exchange heat with a heat exchanger in a refrigerant loop of an air-conditioner firstly, and then exchange heat with the indoor air, thereby adding an intermediate heat exchange procedure and increasing the energy consumption of a power apparatus for delivering water circulation, for example, a circulating pump.
  • the efficiency of heat exchange is low, and the installation of the system is complex.
  • a heat pump system includes a main heat pump system, and a directly expanded strong cool-heat radiation plate provided on a building surface and serving as the terminal of the main heat pump system.
  • the directly expanded strong cool-heat radiation plate is configured to allow refrigerant in the main heat pump system to circulate therein.
  • the directly expanded strong cool-heat radiation plate is a single piece.
  • the directly expanded strong cool-heat radiation plate includes multiple pieces, and the multiple pieces of the directly expanded strong cool-heat radiation plate are interconnected in series or in parallel.
  • a heat retaining layer and a reflecting layer are provided on the building surface, and the reflecting layer is provided on an outside surface of the heat retaining layer facing indoors, and the directly expanded strong cool-heat radiation plate is fixed on the building surface by means of a bracket.
  • a decorative face is provided on a side of the directly expanded strong cool-heat radiation plate exposed to the outside, and a packed layer with an enclosed cavity structure is located between the decorative face and the directly expanded strong cool-heat radiation plate.
  • a buffer plate is further provided between the packed layer and the directly expanded strong cool--heat radiation plate.
  • a protective condensation trough for receiving condensed water is provided below the directly expanded strong cool-heat radiation plate, and is provided therein with a condensate outlet.
  • the heat pump system includes a main heat pump system; and a directly expanded strong cool-heat radiation plate provided on a building surface and serving as the terminal of the main heat pump system.
  • the directly expanded strong cool--heat radiation plate is configured to allow refrigerant in the main heat pump system to circulate therein.
  • the heat pump system of the present application adopts the directly expanded strong cool-heat radiation plate as the terminal of the main heat pump system
  • refrigerant in the main heat pump system may exchange heat with air by means of the directly expanded strong cool-heat radiation plate directly, instead of secondary heat exchange of the refrigerant loop and the water circulation loop, thereby reducing loss in intermediate heat exchange, improving the heat exchange efficiency and heat utilization, and omitting the circulating pump for water circulation so as to lower energy consumption and simplify the installation.
  • the present application further discloses an air-conditioner, including a chassis, and the heat pump system according to any one of the above technical solutions.
  • the main heat pump system of the heat pump system is provided in the chassis.
  • the air-conditioner further includes a replacement air heat pump system provided in the chassis, and a replacement air outlet of the replacement air heat pump system is adapted to be connected to an indoor replacement air intake
  • an air heat exchanger is provided between the main heat pump system and the replacement air heat pump system, wherein a first replacement air outlet of the air heat exchanger is connected to a replacement air intake of the replacement air heat pump system, a first return eduction air outlet of the air heat exchanger is connected to a heat source side air intake of the replacement air heat pump system, a second replacement air outlet of the air heat exchanger is connected to a replacement air intake of the main heat pump system, a second return eduction air outlet of the air heat exchanger is connected to a heat source side air intake of the main heat pump system, a return air intake of the air heat exchanger is connected to a return eduction outlet of the room.
  • a multistage air filter is provided at a replacement air intake of the air heat exchanger.
  • the air-conditioner, the return air intake of the air heat exchanger is also connected to a return air pipe arranged in the room.
  • a secondary heat exchange of the refrigerant loop and the water circulation loop is needless, thereby reducing loss in intermediate heat exchange, improving the heat exchange efficiency and heat utilization, and omitting the circulating pump for water circulation so as to lower energy consumption and simplify the installation.
  • the air-conditioner with the heat pump system also has the corresponding technical effects.
  • FIG. 1 is a schematic view of a heat pump system according to an embodiment of present application
  • FIGS. 2 to 6 are schematic views of an air-conditioner according to embodiments of the present application.
  • FIGS. 7 to 10 are schematic views showing the installation of a directly expanded strong cool-heat radiation plate according to embodiments of the present application.
  • FIG. 11 is a schematic structural view of a directly expanded strong cool-heat radiation plate according to an embodiment of the present application.
  • FIGS. 1 to 11 Reference numerals in FIGS. 1 to 11 :
  • FIG. 1 it is a schematic view of a heat pump system according to an embodiment of the present application.
  • the heat pump system includes a main heat pump system 11 , and a directly expanded strong cool-heat radiation plate 21 provided on the surface of the building and serving as the terminal of the main heat pump system 11 .
  • the interior of the directly expanded strong cool-heat radiation plate 21 enables the circulation of refrigerant in the main heat pump system 11 .
  • the heat pump system of the present application adopts the directly expanded strong cool-heat radiation plate 21 as the terminal of the main heat pump system 11 , refrigerant in the main heat pump system 11 may exchange heat with air by means of the directly expanded strong cool-heat radiation plate 21 directly, instead of secondary heat exchange of the refrigerant loop and the water circulation loop, thereby reducing loss in intermediate heat exchange, improving the heat exchange efficiency and heat utilization, and omitting the circulating pump for water circulation so as to lower energy consumption and simplify the installation.
  • an air heat exchanger 51 is provided on the main heat pump system 11 .
  • a return air intake 56 of the air heat exchanger 51 communicates with a return air outlet 3 ′ 4 of a room 31 ;
  • a second return air outlet 54 of the air heat exchanger 51 is connected to a heat source side air intake 14 of the main heat pump system 11 ;
  • a second replacement air outlet 55 of the air heat exchanger 51 communicates with a replacement air intake 15 of the main heat pump system 11 ;
  • a replacement air outlet 17 of the main heat pump system 11 communicates with a replacement air intake 35 of the room 31 .
  • a multistage air filter 7 is further provided at a replacement air intake 57 of the air heat exchanger 51 in order to purify air.
  • the working medium in the main heat pump system 11 flows through a working medium feeding pipe into the directly expanded strong cool-heat radiation plate 21 arranged in the room 31 .
  • the working medium is evaporated as a result of absorbing heat front the room 31 so as to radiate cooling quantity (or condensed as a result of releasing heat into the room 31 so as to radiate heating quantity), and then returns to the main heat pump system 11 through a working medium discharging pipe.
  • outdoor fresh air flows into the air heat exchanger 51 via the multistage air filter 7 , and makes primary heat exchange with the return air from the room 31 so as to obtain primary pre-cooled and filtered replacement air (or pre-heated and filtered replacement air).
  • the primary pre-cooled and filtered replacement air flows into the main heat pump system 11 to be secondarily pre-cooled and dehumidified (or preheated and humidified) so as to form the replacement air which will be supplied into the room 31 .
  • Return air undergoing primary heat recovery flows through a heat source side air intake 14 into the main heat pump system 11 , and return air undergoing secondary full heat recovery is discharged from an eduction air outlet 16 of the main heat pump system 11 .
  • a return air intake 56 of the air heat exchanger 51 is also connected to a return air pipe 36 disposed in the room 31 .
  • the return air pipe 36 passes through a return air outlet 34 of the room 31 .
  • the provision of the return air pipe 36 may avoid the replacement air from short circuit, and improve indoor air quality.
  • FIGS. 7 to 10 are schematic views showing the installation of a directly expanded strong cool-heat radiation plate 21 according to embodiments of the present application; and FIG. 11 is a schematic structural view of a directly expanded strong cool-heat radiation plate 21 according to an embodiment of the present application.
  • a heat retaining layer 47 is provided on a building surface 41 .
  • the directly expanded strong cool-heat radiation plate 21 is fixed to the building surface 41 by means of a bracket 43 .
  • a reflecting layer is provided on the outside surface of the heat retaining layer 47 which faces towards the interior of the room 31 .
  • the provision of the reflecting layer may transfer cool quantity (or heat quantity) radiated from the directly expanded strong cool-heat radiation plate 21 to the room 31 more efficiently.
  • the bracket 43 may be varied. For example, when the building surface 41 is a ceiling surface, as shown in FIGS.
  • the bracket 43 may be of a flexible construction or a rigid construction; when the building surface 41 is aground surface, as shown in FIG. 9 , in order to ensure an appropriate space for installing a buffer plate 46 with respect to the directly expanded strong cool-heat radiation plate 21 , and to ensure the thickness of a packed layer 45 and a firm supported decorative face 42 , the bracket 43 is preferably of a rigid construction; and When the building surface 41 is a vertical surface, as shown in FIG. 10 , similarly, in order to ensure an appropriate space for installing a buffer plate 46 with respect to the directly expanded strong cool-heat radiation plate 21 , and to ensure the thickness of a packed layer 45 and a firm supported decorative face 42 , the bracket 43 is preferably of a rigid construction.
  • the decorative face 42 is provided on the side of the directly expanded strong cool--heat radiation plate 21 which is exposed to the outside, and the packed layer 45 with closed cavity structure is located between the decorative face 42 and the directly expanded strong cool-heat radiation plate 21 .
  • the decorative face 42 has different name depending on the different building surface 41 .
  • the decorative face 42 is the ceiling or any face with ornamental effect.
  • the building surface 41 is a ground surface
  • the decorative face 42 is a floor, and specifically, the floor could be lithoid floor, tile floor, metal floor, or wooden floor, etc.
  • the decorative face 42 is a false wall layer with ornamental effect.
  • the packed layer 45 has a cavity structure with an enclosed space defined by the decorative face 42 , the directly expanded strong cool-heat radiation plate 21 and peripheral structures. Since the packed layer 45 is located between the decorative face 42 and the directly expanded strong cool-heat radiation plate 21 , it is possible to relieve the occurrence of moisture condensation because of local overcooling or the occurrence of overheating of the directly expanded strong cool-heat radiation plate 21 effectively in the cold or heat radiating process.
  • the temperature of the decorative face 42 is more uniform. The comfortable feeling in the room 31 is thus improved.
  • the buffer plate 46 is located between the packed layer 45 and the directly expanded strong cool-heat radiation plate 21 .
  • the buffer plate 46 is fixed to the building surface 41 by means of a bracket 44 .
  • the provision of the buffer plate 46 could weaken the transfer effect of cool or heat quantity from the directly expanded strong cool-heat radiation plate 21 to the room 31 .
  • the directly expanded strong cool-heat radiation plate 21 achieves secondary heat radiation under the combined effect of the buffer plate 46 and the packed layer 45 , so that the temperature of the decorative face 42 further tends to be uniform. The comfortable feeling in the room 31 is thus improved further.
  • an protective condensation trough 49 for receiving condensed water is provided below the directly expanded strong cool-heat radiation plate 21 , and is provided therein with a condensate outlet 40 .
  • the moisture condensation of the directly expanded strong cool-heat radiation plate 21 occurs, it will be collected in the protective condensation trough 49 , and drains via the condensate outlet 40 through a preset pipeline.
  • the protective condensation trough 49 is provided on the buffer plate 46 entirely; as shown in FIG.
  • the protective condensation trough 49 is provided on the heat retaining layer 47 entirely; and as shown in FIG. 10 , when the building surface 41 is a vertical surface, the protective condensation trough 49 is provided at the lower portion of the buffer plate 46 .
  • a supporter 48 adapted for supporting the decorative face 42 is provided between the decorative face 42 and the building surface 41 .
  • the supporters 48 may be arranged around the directly expanded strong cool-heat radiation plate 21 , so as to separate the building surface 41 with the directly expanded strong cool-heat radiation plate 21 thereon from the building surface 41 without the directly expanded strong cool-heat radiation plate 21 thereon.
  • the directly expanded strong cool-heat radiation plate 21 may include various effective heat transfer structures in which a refrigerant pipeline (copper pipe, aluminum pipe, etc.) and a fixed pipeline may be formed with the radiating surfaces.
  • the radiating surfaces may be a metal plate or a surface cooler, etc.
  • the directly expanded strong cool-heat radiation plate 21 may also be of a platy structure with various refrigerant cavity which may transfer heat effectively.
  • the refrigerant in the main heat pump system 11 may be circulated in the plate, and a working medium inlet 22 , and a working medium outlet 23 are provided in the directly expanded strong cool-heat radiation plate 21 .
  • the directly expanded strong cool-heat radiation plate 21 may be a single piece or multiple pieces. In case of multiple pieces, a plurality of the directly expanded strong cool-heat radiation plate 21 are interconnected in series or in parallel.
  • the directly expanded strong cool-heat radiation plate 21 in the air-conditioner disclosed in the embodiments of the application exchanges heat with the room 31 directly, the intensity of the cooling and heating radiation is large, and the directly expanded strong cool-heat radiation plate 21 is mounted on a reduced area with ease. It is possible to ensure the cooling and heating quantity needed for comfortable feeling in the room 31 , reduce the area of the room 31 for radiation, and have no effect on the use of space of the room 31 .
  • the air-conditioner includes a chassis (not marked in the figures), and the main heat pump system 11 of the heat pump system in the above any solution is provided in the chassis.
  • the working medium outlet 12 of the main heat pump system 11 communicates with the working medium inlet 22 of the directly expanded strong cool-heat radiation plate 21 via a working medium feeding pipe, and the working medium feeding pipe extends through an installation port 32 of the room 31 .
  • a working medium return intake 13 of the main heat pump system 11 communicates with the working medium outlet 23 of the directly expanded strong cool-heat radiation plate 21 via a working medium return pipe, and the working medium return pipe extends through the installation port 33 of the room 31
  • the installation port 32 and the installation port 33 may be the same installation port.
  • the refrigerant in the main heat pump system 11 exchanges heat via, the directly expanded strong cool--heat radiation plate 21 directly, instead of secondary heat exchange of the refrigerant loop and the water circulation loop, thereby reducing loss in intermediate heat exchange, improving the heat exchange efficiency and heat utilization, and omitting the circulating pump for water circulation so as o lower energy consumption and simplify the installation.
  • the main heat pump system may undertake both sensible heat load (radiation heat transfer) and latent heat load (replacement air pre-cooled dehumidification or preheated humidification) in the room 31 .
  • a replacement air heat pump system 61 is provided in the chassis of the air-conditioner.
  • a replacement air outlet 63 of the replacement air heat pump system 61 is adapted to be connected to the replacement air intake 35 of the room 31 . If the room 31 is kept in a good temperature condition, or the sensible heat load is low, the main heat pump system 11 may be intermittently operated generally.
  • the replacement air heat pump system 61 in the embodiment of the present application may filter pre-cooled dehumidified replacement air or may preheat (humidify) the replacement air such as to meet the desired humidity and quality.
  • the air heat exchanger 51 is arranged between the main heat pump system 11 and the replacement air heat pump system 61 .
  • a first replacement air outlet 53 of the air heat exchanger 51 is connected to a replacement air intake 64 of the replacement air heat pump system 61 ;
  • a first return eduction air outlet 52 of the air heat exchanger 51 is connected to a heat source side air intake 65 of the replacement air heat pump system 61 ;
  • the second replacement air outlet 55 of the air heat exchanger 51 is connected to the replacement air intake 15 of the main heat pump system 11 ;
  • the second return eduction air outlet 54 of the air heat exchanger 51 is connected to the heat source side air intake 14 of the main heat pump system 11 ;
  • the return air intake 56 of the air heat exchanger 51 is connected to the return eduction air outlet 34 of the room 31 ;
  • the replacement air outlet 63 of the replacement air heat pump system 61 communicates with the replacement air intake 35 of the room 31 .
  • FIGS. 5 to 6 in conjunction with FIG. 4
  • outdoor fresh air flows into the air heat exchanger 51 via the multistage air filter 7 , and makes primary heat exchange with the return air from the room 31 so as to obtain primary pre-cooled (or pre-heated) and filtered replacement air, apart of which flows into the replacement air heat pump system 61 , and the other part of which flows into the main heat pump system 11 to be secondarily pre-cooled and dehumidified (or preheated and humidified) so as to form the replacement air which will be supplied into the room 31 .
  • the air-conditioner only the directly expanded strong cool-heat radiation plate 21 , the replacement air intake 35 , the return eduction air outlet 34 , and the return air pipe 36 need to be arranged in the room 31 .
  • the temperature in the room 31 is uniform, without the blown feeling and the noise of the apparatus.
  • the replacement air heat pump system 61 the conditioned air in the room 31 is fresh, has stable humidity and clean environment, thereby greatly improving the comfort in the room.
  • such an facility is easy to be installed, and may achieve a strong cooling radiation with a large temperature difference without moisture condensation, nor a strong heating radiation with a large temperature difference without dry and hot feeling and may have a power of the facility reducing more than fifty percent than the conventional air-condition.
  • the use of the air heat exchanger 51 enables an efficient full cool-heat recovery in the replacement air system, a simple structure, small volume, and a low cost.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Duct Arrangements (AREA)
US14/066,703 2013-08-16 2013-10-30 Heat pump system and air-conditioner Abandoned US20140090411A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/663,816 US10663198B2 (en) 2013-08-16 2017-07-30 Heat pump system and air-conditioner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310358748.4A CN103398507B (zh) 2013-08-16 2013-08-16 一种热泵系统及空调机
CN201310358748.4 2013-08-16

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US15/663,816 Continuation-In-Part US10663198B2 (en) 2013-08-16 2017-07-30 Heat pump system and air-conditioner

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US20140090411A1 true US20140090411A1 (en) 2014-04-03

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CN114076347A (zh) * 2020-08-17 2022-02-22 广东美的制冷设备有限公司 空调器及其控制方法、计算机存储介质
CN116241954A (zh) * 2023-03-31 2023-06-09 南京维塔文化遗产保护技术有限公司 一种主副机恒湿系统

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CN114076347A (zh) * 2020-08-17 2022-02-22 广东美的制冷设备有限公司 空调器及其控制方法、计算机存储介质
CN116241954A (zh) * 2023-03-31 2023-06-09 南京维塔文化遗产保护技术有限公司 一种主副机恒湿系统

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EP2679922A3 (de) 2018-03-21
HK1190182A1 (zh) 2014-06-27
MY164250A (en) 2017-11-30
JP2014052182A (ja) 2014-03-20
JP5868926B2 (ja) 2016-02-24
CA2829412A1 (en) 2013-12-19
CN103398507B (zh) 2016-01-27
CA2829412C (en) 2017-09-19

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