CN110805958A - Air conditioner indoor unit, air conditioner and control method - Google Patents
Air conditioner indoor unit, air conditioner and control method Download PDFInfo
- Publication number
- CN110805958A CN110805958A CN201911086040.1A CN201911086040A CN110805958A CN 110805958 A CN110805958 A CN 110805958A CN 201911086040 A CN201911086040 A CN 201911086040A CN 110805958 A CN110805958 A CN 110805958A
- Authority
- CN
- China
- Prior art keywords
- flow
- pipe
- heat exchanger
- hole
- air
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
-
- 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
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
- 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
- F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
-
- 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
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
Landscapes
- 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application provides an air conditioner indoor unit, includes: the air channel is positioned in the shell; the first heat exchanger is arranged in the air duct; air supply mechanism supplies air through the wind channel, and the flow direction of air in the wind channel is opposite with the flow direction of refrigerant in the first heat exchanger when flowing through the first heat exchanger, can realize simultaneously that the indoor unit heat exchanger flows to form against the current with the air flow direction under refrigeration and heating mode, and then promotes the heat exchange efficiency of heat exchanger. According to the air conditioner internal unit, the counter flow of the refrigerant flow direction and the air flow direction can be formed under the refrigeration and heating modes of the internal unit heat exchanger, and the heat exchange efficiency of the heat exchanger is further improved.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit, an air conditioner and a control method.
Background
At present, the cylinder type cabinet air conditioner is more and more commonly used in the market. The indoor unit heat exchanger of the cylindrical cabinet air conditioner usually adopts a cylindrical heat exchanger and is vertically arranged, when the indoor unit heat exchanger operates in a refrigeration mode, the indoor heat exchanger is used as an evaporator, and a low-temperature and low-pressure refrigerant after throttling evaporates and absorbs heat in the evaporator to provide cold energy. When the heating mode is operated, the indoor heat exchanger serves as a condenser, and high-temperature and high-pressure gaseous working media discharged by the compressor flow into the condenser after being reversed by the four-way valve to be condensed and release heat so as to provide heat indoors.
However, in the cooling or heating mode, the refrigerant flows in the indoor heat exchanger in a direction opposite to the air flow direction to form a forward flow, thereby affecting the heat exchange efficiency.
Therefore, how to provide an air conditioner indoor unit, an air conditioner and a control method which can simultaneously realize that the flow direction of a refrigerant and the flow direction of air form reverse flow in the cooling and heating modes of an indoor unit heat exchanger, and further improve the heat exchange efficiency of the heat exchanger becomes a problem which needs to be solved by technical personnel in the field.
Disclosure of Invention
Therefore, the technical problem to be solved in the application is to provide an air conditioner internal unit, an air conditioner and a control method, which can simultaneously realize that the flow direction of a refrigerant and the flow direction of air form reverse flow under the refrigeration and heating modes of the internal unit heat exchanger, and further improve the heat exchange efficiency of the heat exchanger.
In order to solve the above problem, the present application provides an air conditioner internal unit, including:
a housing;
the air duct is positioned inside the shell;
the first heat exchanger is arranged in the air duct;
and the air supply mechanism supplies air through an air duct, and the flow direction of air in the air duct is opposite to that of the refrigerant in the first heat exchanger when the air flows through the first heat exchanger.
Preferably, the first heat exchanger comprises an outer row heat exchanger and an inner row heat exchanger which are communicated with each other; the outer discharge heat exchanger comprises a plurality of outer flow through pipes; the inner row heat exchanger comprises a plurality of inner flow pipes.
Preferably, the plurality of inner through pipes are all U-shaped pipes; and/or the plurality of outer flow through pipes are U-shaped pipes.
Preferably, the shell is provided with a first ventilation opening and a second ventilation opening; the first ventilation opening is positioned at the first end of the air duct, and the second ventilation opening is positioned at the second end of the air duct; the first ventilation opening and the second ventilation opening are communicated with the air channel; the first heat exchanger corresponds to the first ventilation opening in position; the outer heat exchanger and the inner heat exchanger are sequentially arranged in the direction far away from the first vent; the air supply mechanism sucks air into the air duct from one of the first air vent and the second air vent and discharges the air from the other air vent.
Preferably, the outer row heat exchanger is annular in shape, and the inner row heat exchanger is positioned on the inner peripheral side of the outer row heat exchanger; the first ventilation opening is arranged on the side wall of the shell and corresponds to the position of the outer heat exchanger.
Preferably, the inner row heat exchanger is annular in shape.
Preferably, the first vent is provided at a lower portion of the housing;
and/or the second ventilation opening is arranged at the top end of the shell.
Preferably, the first heat exchanger comprises at least two flow paths arranged in parallel with each other, each flow path comprising at least one outer flow tube and at least one inner flow tube communicating with each other.
Preferably, the total number of outer flow tubes in the first heat exchanger is the same as the total number of inner flow tubes.
Preferably, the first heat exchanger includes a first flow path, a second flow path, a third flow path, and a fourth flow path arranged in parallel with each other; the first flow path comprises four outer through pipes and two inner through pipes which are communicated with each other;
and/or the second flow path comprises two outer through pipes and three inner through pipes which are communicated with each other;
and/or the third flow path comprises three outer flow through pipes and two inner flow through pipes which are communicated with each other;
and/or the fourth flow path comprises two outer flow through pipes and four inner flow through pipes which are communicated with each other.
Preferably, the first heat exchanger includes a first flow path, a second flow path, a third flow path, and a fourth flow path arranged in parallel with each other; the first flow path comprises four inner through pipes and two outer through pipes which are communicated with each other;
and/or the second flow path comprises two inner through pipes and three outer through pipes which are communicated with each other;
and/or the third flow path comprises three inner through pipes and two outer through pipes which are communicated with each other;
and/or the fourth flow path comprises two inner flow through pipes and four outer flow through pipes which are communicated with each other.
Preferably, the first flow path comprises a first inner circulation pipe, a second inner circulation pipe, a first outer circulation pipe, a second outer circulation pipe, a third outer circulation pipe and a fourth outer circulation pipe which are connected in sequence; the first inner through pipe is arranged below the second inner through pipe; the first outer circulation pipe, the second outer circulation pipe, the third outer circulation pipe and the fourth outer circulation pipe are sequentially arranged from top to bottom;
and/or the second flow path comprises a third inner through pipe, a fourth inner through pipe, a fifth outer through pipe and a sixth outer through pipe which are connected in sequence; the fifth outer flow through pipe is arranged below the sixth outer flow through pipe; the third inner through pipe, the fourth inner through pipe and the fifth inner through pipe are sequentially arranged from top to bottom;
and/or the third flow path comprises a sixth inner flow pipe, a seventh outer flow pipe, an eighth outer flow pipe and a ninth outer flow pipe which are connected in sequence; the sixth inner through pipe is arranged below the seventh inner through pipe; the seventh outer flow through pipe, the eighth outer flow through pipe and the ninth outer flow through pipe are sequentially arranged from top to bottom;
and/or the fourth flow path comprises an eighth inner flow pipe, a ninth inner flow pipe, a tenth inner flow pipe, an eleventh inner flow pipe, a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth outer flow pipe is arranged above the eleventh outer flow pipe; the eighth inner through pipe, the ninth inner through pipe, the tenth inner through pipe and the eleventh inner through pipe are sequentially arranged from top to bottom.
Preferably, the first flow path comprises a first inner flow pipe, a second inner flow pipe, a third inner flow pipe, a fourth inner flow pipe, a first outer flow pipe and a second outer flow pipe which are connected in sequence; the first outer circulation pipe is arranged above the second outer circulation pipe; the first inner through pipe, the second inner through pipe, the third inner through pipe and the fourth inner through pipe are arranged from bottom to top in sequence;
and/or the second flow path comprises a fifth inner flow pipe, a sixth inner flow pipe, a third outer flow pipe, a fourth outer flow pipe and a fifth outer flow pipe which are connected in sequence; the fifth outer flow through pipe is arranged above the sixth inner flow through pipe; the third outer circulation pipe, the fourth outer circulation pipe and the fifth outer circulation pipe are sequentially arranged from bottom to top;
and/or the third flow path comprises a seventh inner flow pipe, an eighth inner flow pipe, a ninth inner flow pipe, a sixth outer flow pipe and a seventh outer flow pipe which are connected in sequence; the sixth outer flow pipe is arranged above the seventh outer flow pipe; the seventh inner through pipe, the eighth inner through pipe and the ninth inner through pipe are sequentially arranged from bottom to top;
and/or the fourth flow path comprises a tenth inner flow pipe, an eleventh inner flow pipe, an eighth outer flow pipe, a ninth outer flow pipe, a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth inner through pipe is arranged above the eleventh inner through pipe; the eighth outer flow pipe, the ninth outer flow pipe, the tenth outer flow pipe and the eleventh outer flow pipe are sequentially arranged from bottom to top.
Preferably, the first heat exchanger is provided with a first port and a second port; the first port is used for communicating the four-way valve with the first heat exchanger, and the second port is used for communicating the throttling element with the first heat exchanger; the first port is arranged on the outer heat exchanger, and the second port is arranged on the inner heat exchanger.
Preferably, the first flow path is provided with a first flow through hole and a second flow through hole; the first through hole is positioned on the outer through pipe, and the second through hole is positioned on the inner through pipe; the first flow through hole is used for communicating the four-way valve with the first heat exchanger, and the second flow through hole is used for communicating the throttling element with the first heat exchanger;
and/or a third flow hole and a fourth flow hole are arranged on the second flow path, the third flow hole is positioned on the outer flow through pipe, and the fourth flow hole is positioned on the inner flow through pipe; the third circulation hole is used for communicating the four-way valve with the first heat exchanger, and the fourth circulation hole is used for communicating the throttling element with the first heat exchanger;
and/or a fifth circulation hole and a sixth circulation hole are arranged on the third flow path, the fifth circulation hole is positioned on the outer through pipe, and the sixth circulation hole is positioned on the inner through pipe; the fifth circulation hole is used for communicating the four-way valve with the first heat exchanger, and the sixth circulation hole is used for communicating the throttling element with the first heat exchanger;
and/or a seventh circulation hole and an eighth circulation hole are arranged on the fourth flow path, the seventh circulation hole is positioned on the outer circulation pipe, and the eighth circulation hole is positioned on the inner circulation pipe; the seventh circulation hole is used for communicating the four-way valve with the first heat exchanger, and the eighth circulation hole is used for communicating the throttling element with the first heat exchanger.
Preferably, the first flow path, the second flow path, the third flow path and the fourth flow path are arranged in sequence from top to bottom;
and/or the first flow through hole is higher than the second flow through hole; the third circulation hole is higher than the fourth circulation hole; the fifth flow hole is positioned higher than the sixth flow hole; the seventh flow hole is positioned higher than the eighth flow hole;
and/or the first flow through hole is positioned lower than the second flow through hole; the third circulation hole is lower than the fourth circulation hole; the fifth flow hole is positioned lower than the sixth flow hole; the seventh flow hole is positioned lower than the eighth flow hole.
According to still another aspect of the present application, an air conditioner is provided, which includes an air conditioner indoor unit, and the air conditioner indoor unit is the air conditioner indoor unit described above.
Preferably, the method further comprises the following steps: the air conditioner comprises a compressor, a four-way valve, a throttling element and a second heat exchanger, wherein an exhaust port of the compressor is communicated to a first valve port of the four-way valve, a second valve port of the four-way valve is communicated to a first port of the first heat exchanger, a third valve port of the four-way valve is communicated to an air suction port of the compressor, a fourth valve port of the four-way valve is communicated to the second heat exchanger, a first end of the throttling element is communicated to a first port of the first heat exchanger, a second end of the throttling element is communicated with the second heat exchanger, and the four-way valve controls the flow direction of a.
According to still another aspect of the present application, there is provided a control method of an air conditioner, the air conditioner being the above air conditioner, including:
detecting the working mode of the air conditioner; the working mode comprises a heating mode and a cooling mode;
and controlling the air supply direction of the air supply mechanism according to the working mode of the air conditioner.
Preferably, the step of controlling the blowing direction of the blowing mechanism according to the operation mode of the air conditioner includes:
when the air conditioner is in a refrigerating mode, the refrigerant enters the first heat exchanger through the second port and flows out of the first port, and the air supply mechanism is controlled to suck air into the air duct from the first air vent and discharge the air from the second air vent;
when the air conditioner is in a heating mode, the refrigerant enters the first heat exchanger through the first port and flows out of the second port, and the air supply mechanism is controlled to suck air into the air channel from the second air vent and discharge the air from the first air vent.
The application provides an air conditioner indoor unit, an air conditioner and a control method, which can simultaneously realize that the flow direction of a refrigerant and the flow direction of air form reverse flow under the refrigeration and heating modes of the indoor unit heat exchanger, and further improve the heat exchange efficiency of the heat exchanger.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a heat exchanger according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a heat exchanger according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a heat exchanger according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a heat exchanger according to a comparative example of the present application;
fig. 6 is a schematic structural view of a heat exchanger according to a comparative example of the present application.
The reference numerals are represented as:
1. a housing; 21. a first vent; 22. a second vent; 3. an air supply mechanism; 4. a first heat exchanger; 41. a first flow path; 411. a first flow through hole; 412. a second flow through hole; 42. a second flow path; 421. a third flow-through hole; 422. a fourth flow aperture; 43. a third flow path; 431. a fifth flow aperture; 432. a sixth flow aperture; 44. a fourth flow path; 441. a seventh flow aperture; 442. an eighth flow aperture.
Detailed Description
Referring to fig. 1 in combination, according to an embodiment of the present application, an air conditioner internal unit includes: the air-conditioning system comprises a shell 1, an air duct, a first heat exchanger 4 and an air supply mechanism 3, wherein the air duct is positioned inside the shell 1; the first heat exchanger 4 is arranged in the air duct; air supply mechanism 3 supplies air through the wind channel, and the flow direction of air when flowing through first heat exchanger 4 in the wind channel is opposite with the flow direction of refrigerant in first heat exchanger 4, can realize simultaneously that the refrigerant flow direction forms against the current with the air flow direction under refrigeration and heating mode for the indoor unit heat exchanger, and then promotes the heat exchange efficiency of heat exchanger.
Further, the first heat exchanger 4 comprises an outer row heat exchanger and an inner row heat exchanger which are communicated with each other; the outer discharge heat exchanger comprises a plurality of outer flow through pipes; the inner row heat exchanger comprises a plurality of inner flow pipes.
Furthermore, the plurality of inner through pipes are all U-shaped pipes; and/or the plurality of outer flow through pipes are U-shaped pipes.
Furthermore, a first ventilation opening 21 and a second ventilation opening 22 are formed on the shell 1; the first ventilation opening 21 is positioned at the first end of the air duct, and the second ventilation opening 22 is positioned at the second end of the air duct; the first ventilation opening 21 and the second ventilation opening 22 are communicated with the air channel; the first heat exchanger 4 corresponds to the second ventilation opening 22; the outer heat exchanger and the inner heat exchanger are sequentially arranged in the direction far away from the second ventilation opening 22; the air blowing mechanism sucks air from one of the first and second ventilation openings 21 and 22 into the air duct and discharges the air from the other.
Further, the outer row of heat exchangers is annular, and the inner row of heat exchangers is positioned on the inner peripheral side of the outer row of heat exchangers; the second ventilation opening 22 is arranged on the side wall of the shell 1 and corresponds to the position of the outer heat exchanger.
Further, the shape of the outer heat exchanger is square, and the position of the outer heat exchanger corresponds to the position of the second ventilation opening 22.
Further, the inner row heat exchanger is annular in shape.
Further, the second ventilation opening 22 is disposed at the lower portion of the housing 1;
and/or the first ventilation opening 21 is arranged at the top end of the shell 1.
Further, the first heat exchanger 4 comprises at least two flow paths arranged in parallel with each other, each flow path comprising at least one outer flow tube and at least one inner flow tube communicating with each other.
Further, the total number of the outer circulation pipes in the first heat exchanger 4 is the same as the total number of the inner circulation pipes.
Further, the first heat exchanger 4 includes a first flow path 41, a second flow path 42, a third flow path 43, and a fourth flow path 44, which are provided in parallel with each other; the first flow path 41 comprises four outer flow through pipes and two inner flow through pipes which are communicated with each other;
and/or the second flow path 42 comprises two outer flow through pipes and three inner flow through pipes which are communicated with each other;
and/or, the third flow path 43 includes three outer flow-through pipes and two inner flow-through pipes communicated with each other;
and/or the fourth flow path 44 includes two outer flow tubes and four inner flow tubes in communication.
Further, the first heat exchanger 4 includes a first flow path 41, a second flow path 42, a third flow path 43, and a fourth flow path 44, which are provided in parallel with each other; the first flow path 41 comprises four inner through pipes and two outer through pipes which are communicated with each other;
and/or the second flow path 42 comprises two inner flow tubes and three outer flow tubes which are communicated with each other;
and/or, the third flow path 43 includes three inner flow tubes and two outer flow tubes communicated with each other;
and/or the fourth flow path 44 includes two inner flow tubes and four outer flow tubes in communication.
With combined reference to fig. 2-3, the present application further discloses embodiments in which the first flow path 41 includes a first inner flow tube, a second inner flow tube, and a first outer flow tube, a second outer flow tube, a third outer flow tube, and a fourth outer flow tube connected in sequence; the first inner through pipe is arranged below the second inner through pipe; the first outer circulation pipe, the second outer circulation pipe, the third outer circulation pipe and the fourth outer circulation pipe are sequentially arranged from top to bottom;
and/or the second flow path 42 comprises a third inner through pipe, a fourth inner through pipe, a fifth outer through pipe and a sixth outer through pipe which are connected in sequence; the fifth outer flow through pipe is arranged below the sixth outer flow through pipe; the third inner through pipe, the fourth inner through pipe and the fifth inner through pipe are sequentially arranged from top to bottom;
and/or the third flow path 43 comprises a sixth inner flow pipe, a seventh outer flow pipe, an eighth outer flow pipe and a ninth outer flow pipe which are connected in sequence; the sixth inner through pipe is arranged below the seventh inner through pipe; the seventh outer flow through pipe, the eighth outer flow through pipe and the ninth outer flow through pipe are sequentially arranged from top to bottom;
and/or the fourth flow path 44 includes an eighth inner flow pipe, a ninth inner flow pipe, a tenth inner flow pipe, an eleventh inner flow pipe, and a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth outer flow pipe is arranged above the eleventh outer flow pipe; the eighth inner flow pipe, the ninth inner flow pipe, the tenth inner flow pipe and the eleventh inner flow pipe are sequentially arranged from top to bottom, when in a refrigeration mode, liquid refrigerants in the second flow path and the fourth flow path firstly flow downwards for 3U pipes and 4U pipes respectively, and then flow upwards for 2U pipes respectively after the dryness of the refrigerants is gradually increased, so that the gravity of the liquid refrigerants and the phase characteristics of the gas refrigerants floating upwards are fully utilized, and the heat exchange can be enhanced; when in a heating mode, each branch refrigerant inlet is arranged on the outer heat exchange tube, the refrigerant inlets are lower than the refrigerant outlets, the air flowing mode is set to be that air enters from top and exits from bottom, and the flow direction of the refrigerant and the air entering direction are in a counter-flow mode; in the heating mode, the gaseous refrigerant in the first flow path and the third flow path firstly upwards runs through 4U pipes and 3U pipes, and then downwards runs through 2U pipes respectively, so that the characteristics of the gaseous refrigerant and the liquid refrigerant are fully utilized, and the heat exchange is full.
Referring to fig. 4 in combination, the present application also discloses some embodiments, the first flow path 41 includes a first inner flow tube, a second inner flow tube, a third inner flow tube, a fourth inner flow tube, and a first outer flow tube and a second outer flow tube, which are connected in sequence; the first outer circulation pipe is arranged above the second outer circulation pipe; the first inner through pipe, the second inner through pipe, the third inner through pipe and the fourth inner through pipe are arranged from bottom to top in sequence;
and/or the second flow path 42 comprises a fifth inner flow pipe, a sixth inner flow pipe, a third outer flow pipe, a fourth outer flow pipe and a fifth outer flow pipe which are connected in sequence; the fifth outer flow through pipe is arranged above the sixth inner flow through pipe; the third outer circulation pipe, the fourth outer circulation pipe and the fifth outer circulation pipe are sequentially arranged from bottom to top;
and/or the third flow path 43 comprises a seventh inner flow tube, an eighth inner flow tube, a ninth inner flow tube, a sixth outer flow tube and a seventh outer flow tube which are connected in sequence; the sixth outer flow pipe is arranged above the seventh outer flow pipe; the seventh inner through pipe, the eighth inner through pipe and the ninth inner through pipe are sequentially arranged from bottom to top;
and/or, the fourth flow path 44 includes a tenth inner flow pipe, an eleventh inner flow pipe, an eighth outer flow pipe, a ninth outer flow pipe, a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth inner through pipe is arranged above the eleventh inner through pipe; the eighth outer flow pipe, the ninth outer flow pipe, the tenth outer flow pipe and the eleventh outer flow pipe are sequentially arranged from bottom to top.
Further, a first port and a second port are arranged on the first heat exchanger 4; the first port is used for communicating the four-way valve with the first heat exchanger 4, and the second port is used for communicating the throttling element with the first heat exchanger 4; the first port is arranged on the outer heat exchanger, and the second port is arranged on the inner heat exchanger.
Further, air supply mechanism 3 includes controller and fan subassembly, and the controller is connected with the fan subassembly, and the controller is used for controlling the fan subassembly and supplies air, and the fan subassembly sets up in the wind channel.
Further, the fan assembly comprises a first fan and a second fan which are installed in opposite directions; the controller controls the first fan and the second fan independently; the first fan and the second fan are sequentially arranged from top to bottom, and when air is supplied downwards, the first fan rotates reversely, and the second fan rotates forwards to supply air; when upwards supplying air, the first fan corotation, the second fan reversal is supplied air, can effectual change air supply direction for the flow direction of air when first heat exchanger 4 of flowing through in the wind channel is opposite with the flow direction of refrigerant in the first heat exchanger 4, and adopts first fan and the cooperation of second fan to supply air, can increase the amount of wind, improves the air supply effect.
Further, the first channel 41 is provided with a first through-hole 411 and a second through-hole 412; the first flow hole 411 is positioned on the outer flow pipe, and the second flow hole 412 is positioned on the inner flow pipe; the first flow through hole 411 is used for communicating the four-way valve with the first heat exchanger 4, and the second flow through hole 412 is used for communicating the throttling element with the first heat exchanger 4;
and/or, the second flow path 42 is provided with a third flow hole 421 and a fourth flow hole 422, the third flow hole 421 is positioned on the outer flow pipe, and the fourth flow hole 422 is positioned on the inner flow pipe; the third flow hole 421 is used for communicating the four-way valve with the first heat exchanger 4, and the fourth flow hole 422 is used for communicating the throttling element with the first heat exchanger 4;
and/or, the third flow path 43 is provided with a fifth flow hole 431 and a sixth flow hole 432, the fifth flow hole 431 is positioned on the outer flow through pipe, and the sixth flow hole 432 is positioned on the inner flow through pipe; the fifth circulation hole 431 is used for communicating the four-way valve with the first heat exchanger 4, and the sixth circulation hole 432 is used for communicating the throttling element with the first heat exchanger 4;
and/or, the fourth flow path 44 is provided with a seventh flow hole 441 and an eighth flow hole 442, the seventh flow hole 441 is positioned on the outer flow through pipe, and the eighth flow hole 442 is positioned on the inner flow through pipe; the seventh circulation hole 441 is used to communicate the four-way valve with the first heat exchanger 4, and the eighth circulation hole 442 is used to communicate the throttling element with the first heat exchanger 4.
Further, the first flow path 41, the second flow path 42, the third flow path 43, and the fourth flow path 44 are provided in this order from the top;
and/or the first flow hole 411 is higher than the second flow hole 412; the third flow hole 421 is higher than the fourth flow hole 422; the fifth circulation hole 431 is positioned higher than the sixth circulation hole 432; the seventh flow hole 441 is positioned higher than the eighth flow hole 442;
and/or the first flow hole 411 is positioned lower than the second flow hole 412; the third flow hole 421 is lower than the fourth flow hole 422; the fifth circulation hole 431 is positioned lower than the sixth circulation hole 432; the seventh flow hole 441 is positioned lower than the eighth flow hole 442.
According to the embodiment of the application, the air conditioner comprises the air conditioner internal unit, and the air conditioner internal unit is the air conditioner internal unit.
Further, still include: the air conditioner indoor unit comprises a compressor, a four-way valve, a throttling element and a second heat exchanger, wherein an exhaust port of the compressor is communicated to a first valve port of the four-way valve, a second valve port of the four-way valve is communicated to a first port of a first heat exchanger 4, a third valve port of the four-way valve is communicated to an air suction port of the compressor, a fourth valve port of the four-way valve is communicated to the second heat exchanger, a first end of the throttling element is communicated to the first heat exchanger 4, a second end of the throttling element is communicated with the second heat exchanger, and the four-way valve controls the flow.
According to an embodiment of the present application, there is also disclosed a control method of an air conditioner, the air conditioner being the above air conditioner, including:
detecting the working mode of the air conditioner; the working mode comprises a heating mode and a cooling mode;
the air supply direction of the air supply mechanism 3 is controlled according to the working mode of the air conditioner.
Further, the step of controlling the blowing direction of the blowing mechanism 3 according to the operation mode of the air conditioner includes:
when the air conditioner is in a refrigerating mode, the refrigerant enters the first heat exchanger 4 through the second port and flows out of the first port, and the air supply mechanism 3 is controlled to suck air into the air channel from the second air vent 22 and discharge the air from the first air vent 21;
when the air conditioner is in a heating mode, the refrigerant enters the first heat exchanger 4 through the first port and flows out of the second port, and the air supply mechanism 3 is controlled to suck air into the air channel from the first air vent 21 and discharge the air from the second air vent 22.
Referring to fig. 2-3 in combination, the present application further discloses embodiment 1: arrows in fig. 2-3 represent the flow direction of the refrigerant and the flow direction of the air, and dotted lines in the figure represent the heat exchange branch U-tubes;
referring to fig. 5-6 in combination, the present application also discloses comparative example 1: arrows in fig. 5-6 represent the flow direction of the refrigerant and the flow direction of the air, and dotted lines in the figure represent the heat exchange branch U-tubes;
in both example 1 and comparative example 1: the first flow path 41 comprises a first inner flow pipe, a second inner flow pipe, a first outer flow pipe, a second outer flow pipe, a third outer flow pipe and a fourth outer flow pipe which are connected in sequence; the first inner through pipe is arranged below the second inner through pipe; the first outer circulation pipe, the second outer circulation pipe, the third outer circulation pipe and the fourth outer circulation pipe are sequentially arranged from top to bottom;
and/or the second flow path 42 comprises a third inner through pipe, a fourth inner through pipe, a fifth outer through pipe and a sixth outer through pipe which are connected in sequence; the fifth outer flow through pipe is arranged below the sixth outer flow through pipe; the third inner through pipe, the fourth inner through pipe and the fifth inner through pipe are sequentially arranged from top to bottom;
and/or the third flow path 43 comprises a sixth inner flow pipe, a seventh outer flow pipe, an eighth outer flow pipe and a ninth outer flow pipe which are connected in sequence; the sixth inner through pipe is arranged below the seventh inner through pipe; the seventh outer flow through pipe, the eighth outer flow through pipe and the ninth outer flow through pipe are sequentially arranged from top to bottom;
and/or the fourth flow path 44 includes an eighth inner flow pipe, a ninth inner flow pipe, a tenth inner flow pipe, an eleventh inner flow pipe, and a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth outer flow pipe is arranged above the eleventh outer flow pipe; the eighth inner through pipe, the ninth inner through pipe, the tenth inner through pipe and the eleventh inner through pipe are sequentially arranged from top to bottom.
Whereas the air flow direction in example 1 is opposite to the refrigerant flow direction, the air flow direction in comparative example 1 is the same as the refrigerant flow direction.
The simulation experiment was performed for comparative example 1 and example 1, and the results are shown in table 1 below:
TABLE 1 simulation data of heat exchange amount of heat exchanger in different modes
As can be seen from table 1, the simulation data shows that when the heat exchanger adopts 6, 5, 6U tube arrangement and both the cooling and heating modes adopt the countercurrent mode, the heat exchange amount of the heat exchanger is the largest, and when only one of the cooling and heating modes adopts the countercurrent arrangement or all the cooling and heating modes are set to the cocurrent mode, the heat exchange amount of the heat exchanger is obviously reduced. Obviously, this application can effectual improvement heat exchanger's heat transfer volume.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (20)
1. An air conditioner indoor unit, characterized by comprising:
a housing (1);
an air duct located inside the housing (1);
the first heat exchanger (4), the said first heat exchanger (4) is set up in the said wind channel;
the air supply mechanism (3) supplies air through the air duct, and the flowing direction of air in the air duct when flowing through the first heat exchanger (4) is opposite to the flowing direction of the refrigerant in the first heat exchanger (4).
2. An indoor unit according to claim 1, wherein the first heat exchanger (4) comprises an outer row heat exchanger and an inner row heat exchanger which are communicated with each other; the outer row heat exchanger comprises a plurality of outer flow through pipes; the inner row heat exchanger comprises a plurality of inner flow pipes.
3. An indoor unit according to claim 2, wherein the plurality of inner flow pipes are U-shaped pipes; and/or a plurality of the outer flow through pipes are U-shaped pipes.
4. The indoor unit of the air conditioner as claimed in claim 2, wherein the casing (1) is provided with a first ventilation opening (21) and a second ventilation opening (22); the first ventilation opening (21) is positioned at a first end of the air duct, and the second ventilation opening (22) is positioned at a second end of the air duct; the first ventilation opening (21) and the second ventilation opening (22) are communicated with the air channel; the first heat exchanger (4) corresponds to the second ventilation opening (22); the outer row heat exchanger and the inner row heat exchanger are sequentially arranged in the direction far away from the second ventilation opening (22); the air supply mechanism sucks air into the air duct from one of the first air vent (21) and the second air vent (22) and discharges the air from the other.
5. An indoor unit according to claim 4, wherein the outer row heat exchanger is annular in shape, and the inner row heat exchanger is located on an inner peripheral side of the outer row heat exchanger; the second ventilation opening (22) is arranged on the side wall of the shell (1) and corresponds to the position of the outer heat exchanger.
6. An indoor unit according to claim 5, wherein the inner row heat exchanger is annular in shape.
7. The indoor unit of an air conditioner according to claim 4, wherein the second air vent (22) is provided at a lower portion of the casing (1);
and/or the first ventilation opening (21) is arranged at the top end of the shell (1).
8. An indoor unit according to claim 1, characterized in that the first heat exchanger (4) comprises at least two flow paths arranged in parallel with each other, each flow path comprising at least one outer and at least one inner through duct communicating with each other.
9. An indoor unit of an air conditioner according to claim 8, wherein the total number of the outer circulation pipes in the first heat exchanger (4) is the same as the total number of the inner circulation pipes.
10. An indoor unit according to claim 5, wherein the first heat exchanger (4) includes a first flow path (41), a second flow path (42), a third flow path (43), and a fourth flow path (44) that are arranged in parallel with each other; the first flow path (41) comprises four outer through pipes and two inner through pipes which are communicated with each other;
and/or the second flow path (42) comprises two outer through pipes and three inner through pipes which are communicated with each other;
and/or the third flow path (43) comprises three outer flow through pipes and two inner flow through pipes which are communicated with each other;
and/or the fourth flow path (44) comprises two outer flow through pipes and four inner flow through pipes which are communicated with each other.
11. An indoor unit according to claim 5, wherein the first heat exchanger (4) includes a first flow path (41), a second flow path (42), a third flow path (43), and a fourth flow path (44) that are arranged in parallel with each other; the first flow path (41) comprises four inner through pipes and two outer through pipes which are communicated with each other;
and/or the second flow path (42) comprises two inner through pipes and three outer through pipes which are communicated with each other;
and/or the third flow path (43) comprises three inner through pipes and two outer through pipes which are communicated with each other;
and/or the fourth flow path (44) comprises two inner flow tubes and four outer flow tubes which are communicated with each other.
12. The indoor unit of an air conditioner according to claim 10, wherein the first flow path (41) includes a first inner flow pipe, a second inner flow pipe, and a first outer flow pipe, a second outer flow pipe, a third outer flow pipe, and a fourth outer flow pipe which are connected in sequence; the first inner through pipe is arranged below the second inner through pipe; the first outer circulation pipe, the second outer circulation pipe, the third outer circulation pipe and the fourth outer circulation pipe are sequentially arranged from top to bottom;
and/or the second flow path (42) comprises a third inner flow pipe, a fourth inner flow pipe, a fifth outer flow pipe and a sixth outer flow pipe which are connected in sequence; the fifth outer flow through pipe is arranged below the sixth outer flow through pipe; the third inner through pipe, the fourth inner through pipe and the fifth inner through pipe are sequentially arranged from top to bottom;
and/or the third flow path (43) comprises a sixth inner flow pipe, a seventh outer flow pipe, an eighth outer flow pipe and a ninth outer flow pipe which are connected in sequence; the sixth inner through pipe is arranged below the seventh inner through pipe; the seventh outer flow through pipe, the eighth outer flow through pipe and the ninth outer flow through pipe are sequentially arranged from top to bottom;
and/or the fourth flow path (44) comprises an eighth inner flow pipe, a ninth inner flow pipe, a tenth inner flow pipe, an eleventh inner flow pipe, a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth outer flow pipe is arranged above the eleventh outer flow pipe; the eighth inner through pipe, the ninth inner through pipe, the tenth inner through pipe and the eleventh inner through pipe are sequentially arranged from top to bottom.
13. The indoor unit as claimed in claim 11, wherein the first flow path (41) comprises a first inner flow pipe, a second inner flow pipe, a third inner flow pipe, a fourth inner flow pipe, and a first outer flow pipe and a second outer flow pipe which are connected in sequence; the first outer circulation pipe is arranged above the second outer circulation pipe; the first inner through pipe, the second inner through pipe, the third inner through pipe and the fourth inner through pipe are sequentially arranged from bottom to top;
and/or the second flow path (42) comprises a fifth inner flow pipe, a sixth inner flow pipe, a third outer flow pipe, a fourth outer flow pipe and a fifth outer flow pipe which are connected in sequence; the fifth outer flow through pipe is arranged above the sixth inner flow through pipe; the third outer circulation pipe, the fourth outer circulation pipe and the fifth outer circulation pipe are sequentially arranged from bottom to top;
and/or the third flow path (43) comprises a seventh inner flow pipe, an eighth inner flow pipe, a ninth inner flow pipe, a sixth outer flow pipe and a seventh outer flow pipe which are connected in sequence; the sixth outer flow pipe is arranged above the seventh outer flow pipe; the seventh inner through pipe, the eighth inner through pipe and the ninth inner through pipe are sequentially arranged from bottom to top;
and/or the fourth flow path (44) comprises a tenth inner flow pipe, an eleventh inner flow pipe, an eighth outer flow pipe, a ninth outer flow pipe, a tenth outer flow pipe and an eleventh outer flow pipe which are connected in sequence; the tenth inner through pipe is arranged above the eleventh inner through pipe; the eighth outer flow through pipe, the ninth outer flow through pipe, the tenth outer flow through pipe and the eleventh outer flow through pipe are sequentially arranged from bottom to top.
14. An indoor unit of an air conditioner according to claim 2, wherein the first heat exchanger (4) is provided with a first port and a second port; the first port is used for communicating a four-way valve with the first heat exchanger (4), and the second port is used for communicating a throttling element with the first heat exchanger (4); the first port is arranged on the outer heat exchanger, and the second port is arranged on the inner heat exchanger.
15. The indoor unit as claimed in claim 13, wherein the first flow path (41) is provided with a first through-hole (411) and a second through-hole (412); the first flow hole (411) is positioned on the outer through pipe, and the second flow hole (412) is positioned on the inner through pipe; the first flow through hole (411) is used for communicating a four-way valve with the first heat exchanger (4), and the second flow through hole (412) is used for communicating a throttling element with the first heat exchanger (4);
and/or a third flow hole (421) and a fourth flow hole (422) are arranged on the second flow path (42), the third flow hole (421) is positioned on the outer through pipe, and the fourth flow hole (422) is positioned on the inner through pipe; the third flow through hole (421) is used for communicating a four-way valve with the first heat exchanger (4), and the fourth flow through hole (422) is used for communicating a throttling element with the first heat exchanger (4);
and/or a fifth circulation hole (431) and a sixth circulation hole (432) are arranged on the third flow path (43), the fifth circulation hole (431) is positioned on the outer through pipe, and the sixth circulation hole (432) is positioned on the inner through pipe; the fifth circulation hole (431) is used for communicating a four-way valve with the first heat exchanger (4), and the sixth circulation hole (432) is used for communicating a throttling element with the first heat exchanger (4);
and/or, a seventh circulation hole (441) and an eighth circulation hole (442) are arranged on the fourth flow path (44), the seventh circulation hole (441) is positioned on the outer circulation pipe, and the eighth circulation hole (442) is positioned on the inner circulation pipe; the seventh circulation hole (441) is used for communicating a four-way valve with the first heat exchanger (4), and the eighth circulation hole (442) is used for communicating a throttling element with the first heat exchanger (4).
16. The indoor unit according to claim 15, wherein the first flow path (41), the second flow path (42), the third flow path (43), and the fourth flow path (44) are arranged in this order from top to bottom;
and/or the first flow through hole (411) is positioned higher than the second flow through hole (412); the third flow through hole (421) is higher than the fourth flow through hole (422); the fifth circulation hole (431) is positioned higher than the sixth circulation hole (432); the seventh flow hole (441) is positioned higher than the eighth flow hole (442);
and/or the first flow hole (411) is positioned lower than the second flow hole (412); the third flow through hole (421) is positioned lower than the fourth flow through hole (422); the fifth circulation hole (431) is positioned lower than the sixth circulation hole (432); the seventh flow hole (441) is positioned lower than the eighth flow hole (442).
17. An air conditioner comprises an air conditioner indoor unit, wherein the air conditioner indoor unit is the air conditioner indoor unit as claimed in any one of claims 1-16.
18. The air conditioner according to claim 17, further comprising: the air conditioner comprises a compressor, a four-way valve, a throttling element and a second heat exchanger, wherein an exhaust port of the compressor is communicated to a first valve port of the four-way valve, a second valve port of the four-way valve is communicated to a first port of a first heat exchanger (4), a third valve port of the four-way valve is communicated to an air suction port of the compressor, a fourth valve port of the four-way valve is communicated to the second heat exchanger, a first end of the throttling element is communicated to a second port of the first heat exchanger (4), a second end of the throttling element is communicated with the second heat exchanger, and the four-way valve controls the flow direction of a refrigerant through reversing so that the air conditioner can be switched between a.
19. A control method of an air conditioner according to any one of claims 17 to 18, comprising:
detecting the working mode of the air conditioner; the working modes comprise a heating mode and a cooling mode;
the air supply direction of the air supply mechanism (3) is controlled according to the working mode of the air conditioner.
20. The control method of an air conditioner according to claim 19, wherein the step of controlling the blowing direction of the blowing mechanism (3) according to the operation mode of the air conditioner includes:
when the air conditioner is in a refrigerating mode, the refrigerant enters the first heat exchanger (4) through the second port and flows out of the first port, and the air supply mechanism (3) is controlled to suck air into the air channel from the second ventilation opening (22) and discharge the air from the first ventilation opening (21);
when the air conditioner is in a heating mode, the refrigerant enters the first heat exchanger (4) through the first port and flows out of the second port, and the air supply mechanism (3) is controlled to suck air into the air channel from the first air vent (21) and discharge the air from the second air vent (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086040.1A CN110805958B (en) | 2019-11-08 | 2019-11-08 | Air conditioner indoor unit, air conditioner and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086040.1A CN110805958B (en) | 2019-11-08 | 2019-11-08 | Air conditioner indoor unit, air conditioner and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110805958A true CN110805958A (en) | 2020-02-18 |
| CN110805958B CN110805958B (en) | 2023-12-15 |
Family
ID=69501602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911086040.1A Active CN110805958B (en) | 2019-11-08 | 2019-11-08 | Air conditioner indoor unit, air conditioner and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110805958B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196489A (en) * | 1996-01-19 | 1997-07-31 | Fujitsu General Ltd | Refrigeration cycle for air conditioner |
| CN101240915A (en) * | 2008-03-04 | 2008-08-13 | 王全龄 | Vertical tube heat exchanger type air-conditioner |
| CN101592385A (en) * | 2009-03-30 | 2009-12-02 | 西安工程大学 | Pure reverse flow plate-fin dew point indirect evaporation cooling and direct evaporative cooling combined air conditioner |
| CN101644462A (en) * | 2008-08-08 | 2010-02-10 | 乐金电子(天津)电器有限公司 | Indoor unit of air conditioner |
| JP2015141009A (en) * | 2014-01-30 | 2015-08-03 | ダイキン工業株式会社 | Heat exchanger for heat source unit of refrigeration device and heat source unit including the same |
| CN206648355U (en) * | 2017-03-27 | 2017-11-17 | 广东美的制冷设备有限公司 | A kind of heat exchanger and air conditioner |
| JP2019027614A (en) * | 2017-07-26 | 2019-02-21 | 東芝キヤリア株式会社 | Heat exchanging device and air conditioner |
| CN211650477U (en) * | 2019-11-08 | 2020-10-09 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
-
2019
- 2019-11-08 CN CN201911086040.1A patent/CN110805958B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196489A (en) * | 1996-01-19 | 1997-07-31 | Fujitsu General Ltd | Refrigeration cycle for air conditioner |
| CN101240915A (en) * | 2008-03-04 | 2008-08-13 | 王全龄 | Vertical tube heat exchanger type air-conditioner |
| CN101644462A (en) * | 2008-08-08 | 2010-02-10 | 乐金电子(天津)电器有限公司 | Indoor unit of air conditioner |
| CN101592385A (en) * | 2009-03-30 | 2009-12-02 | 西安工程大学 | Pure reverse flow plate-fin dew point indirect evaporation cooling and direct evaporative cooling combined air conditioner |
| JP2015141009A (en) * | 2014-01-30 | 2015-08-03 | ダイキン工業株式会社 | Heat exchanger for heat source unit of refrigeration device and heat source unit including the same |
| CN206648355U (en) * | 2017-03-27 | 2017-11-17 | 广东美的制冷设备有限公司 | A kind of heat exchanger and air conditioner |
| JP2019027614A (en) * | 2017-07-26 | 2019-02-21 | 東芝キヤリア株式会社 | Heat exchanging device and air conditioner |
| CN211650477U (en) * | 2019-11-08 | 2020-10-09 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110805958B (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217357660U (en) | Heat exchanger and air conditioner | |
| CN215597582U (en) | Room temperature regulating device | |
| CN106705298B (en) | Multi-connected fresh air conditioning unit with exhaust heat pump heat recovery function and heat exchange method | |
| CN112378004B (en) | Air conditioning apparatus | |
| CN211650477U (en) | Air conditioner indoor unit and air conditioner | |
| CN213395606U (en) | Air conditioner | |
| CN109210619A (en) | A kind of air conditioner room unit and air-conditioning system | |
| CN110425722A (en) | Heat exchanger assembly and air conditioner | |
| EP3452764B1 (en) | Air conditioning and heat pump tower with energy efficient arrangement | |
| CN111895492A (en) | Air conditioning system, air conditioner and control method of air conditioning system | |
| CN211119734U (en) | Four-pipe system central air-conditioning system | |
| CN108443960A (en) | A kind of VRF Air Conditioning System with fresh air function | |
| JP2002228187A (en) | Outdoor-air treating air-conditioner of air-cooled heat- pump type | |
| CN214009332U (en) | Heat pump system | |
| CN110805958A (en) | Air conditioner indoor unit, air conditioner and control method | |
| CN111609592B (en) | Dual-temperature air conditioning system, control method and air conditioner | |
| JP2017142027A (en) | Air conditioning device | |
| CN215929935U (en) | Air conditioner with new trend system | |
| JP2006153321A (en) | Heat pump type air conditioner | |
| CN213542655U (en) | Indoor air conditioner | |
| CN217584633U (en) | Indoor machine of air conditioner | |
| CN217559965U (en) | Air conditioner | |
| CN212619329U (en) | Hot-blast unit of multiple air source heat pump | |
| CN214949491U (en) | Air conditioner | |
| CN213362683U (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |