CN107062446B - Air duct structure, dehumidifier and dehumidification method - Google Patents
Air duct structure, dehumidifier and dehumidification method Download PDFInfo
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- CN107062446B CN107062446B CN201710315951.1A CN201710315951A CN107062446B CN 107062446 B CN107062446 B CN 107062446B CN 201710315951 A CN201710315951 A CN 201710315951A CN 107062446 B CN107062446 B CN 107062446B
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- heat exchanger
- air
- air outlet
- air inlet
- dehumidifier
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- 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
- F24F3/12—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 characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—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 characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The invention provides an air duct structure, a dehumidifier and a dehumidification method, wherein the dehumidifier comprises a shell, and the air duct structure comprises: the first air duct is defined by the side wall of the shell, the first partition plate and the second partition plate; the first heat exchanger is arranged in the first air duct and is connected with the first partition plate; the second heat exchanger is arranged in the first air duct and is connected with the first partition plate; the first air duct is divided into a first area, a second area and a third area by the first heat exchanger and the second heat exchanger, the first area is located between the first heat exchanger and one side wall of the shell, the second area is located between the first heat exchanger and the second heat exchanger, and the third area is located between the second heat exchanger and the other side wall of the shell. The air duct structure enables the dehumidifier to still dehumidify when defrosting, and is particularly suitable for being used in some low-temperature and high-humidity areas.
Description
Technical Field
The invention relates to the technical field of dehumidification, in particular to an air duct structure, a dehumidifier and a dehumidification method.
background
At present, in some areas with high relative humidity of air, people usually adopt a dehumidifier to adjust the relative humidity of the air, in the related technology, the dehumidifier needs to defrost in the dehumidification process, especially in some areas with low temperature and high humidity, the dehumidifier is in a defrosting state for more than 20% of time, when defrosting, the dehumidifier cannot play a dehumidifying role, and even can humidify the air, so that the relative humidity of the air is improved, the dehumidification amount of the dehumidifier is small, the dehumidification efficiency is low, and the dehumidification effect of the dehumidifier is seriously influenced.
disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the first purpose of the invention is to provide an air duct structure.
The second purpose of the invention is to provide a dehumidifier.
a third object of the invention is to propose a dehumidification method.
In view of the above, according to a first object of the present invention, there is provided an air duct structure for a dehumidifier, the dehumidifier including a housing, the air duct structure including: the first air duct is defined by the side wall of the shell, the first partition plate and the second partition plate; the first heat exchanger is arranged in the first air duct and is connected with the first partition plate; the second heat exchanger is arranged in the first air duct and is connected with the first partition plate; the first air duct is divided into a first area, a second area and a third area by the first heat exchanger and the second heat exchanger, the first area is located between the first heat exchanger and one side wall of the shell, the second area is located between the first heat exchanger and the second heat exchanger, and the third area is located between the second heat exchanger and the other side wall of the shell.
According to the air duct structure provided by the invention, the first air duct is divided into three areas through the first heat exchanger and the second heat exchanger, in the dehumidification process, the first heat exchanger is an evaporator, the second heat exchanger is a condenser, air enters from the first area and is discharged from the third area after passing through the second area, because the first heat exchanger is the evaporator, when the air enters from the first area to the second area, moisture in the air is condensed into water drops on the surface of the first heat exchanger, the air is effectively dehumidified, after a period of time, the first heat exchanger needs to be defrosted, at the moment, the first heat exchanger is converted into the condenser, the first heat exchanger starts to defrosted, the second heat exchanger is converted into the evaporator, the air enters from the third area and is discharged from the second area after passing through the second heat exchanger; the air channel structure enables the dehumidifier to still dehumidify when defrosting, is particularly suitable for being used in low-temperature and high-humidity areas, air does not need to pass through the defrosting heat exchanger, water vapor generated by defrosting of the heat exchanger is prevented from being brought into a room by the passing air, the dehumidification capacity and the dehumidification efficiency of the dehumidifier are improved, the dehumidification effect of the dehumidifier is effectively improved, and the experience of users is improved.
It should be noted here that the positions of the first heat exchanger and the second heat exchanger may be interchanged, and when the positions of the first heat exchanger and the second heat exchanger are interchanged, the first area and the third area are also interchanged.
In addition, the air duct structure in the above technical solution provided by the present invention may also have the following additional technical features:
In the above technical solution, preferably, the side wall of the housing is provided with a first air inlet and a second air inlet; the first air inlet is communicated with the first area, and the second air inlet is communicated with the third area.
In the technical scheme, the first air inlet is formed in the side wall of the first area, and the second air inlet is formed in the side wall of the third area, so that the air duct can effectively control the air inlet direction, the stable operation of the dehumidification process is ensured, and the dehumidification effect of the dehumidifier is effectively ensured.
in any of the above technical solutions, preferably, the first partition plate is provided with a first air outlet, a second air outlet and a third air outlet; the first air outlet is communicated with the first area, the second air outlet is communicated with the second area, and the third air outlet is communicated with the third area.
In the technical scheme, the first air outlet, the second air outlet and the third air outlet are respectively arranged in the first area, the second area and the third area, and the first air inlet and the second air inlet jointly control the flowing direction of air in the air duct, so that the first heat exchanger or the second heat exchanger can effectively dehumidify the air, and the dehumidifying effect of the dehumidifier is ensured.
In any of the above technical solutions, preferably, the air duct structure further includes: the second air duct is formed by enclosing the first partition plate, the side wall of the shell and the top wall of the shell and communicated with the first air outlet, the second air outlet and the third air outlet; and a fourth air outlet is arranged on the top wall of the shell.
In the technical scheme, the fourth air duct is arranged, and the fourth air outlet is arranged on the top wall of the shell, so that air flowing out of the first air outlet, the second air outlet and the third air outlet is guided to the fourth air outlet and then discharged, consistency of air outlet directions of the dehumidifier is ensured, and user experience is effectively improved.
In any of the above technical solutions, preferably, the air duct structure further includes: and the fan is connected with the shell and arranged at the fourth air outlet.
In the technical scheme, the fan is arranged at the fourth air outlet, so that power is provided for the air flowing in the air channel, the flowing speed of the air in the air channel is accelerated, and the dehumidification capacity and the dehumidification efficiency of the dehumidifier are further improved.
in any of the above technical solutions, preferably, the first air inlet, the second air inlet, the first air outlet, the second air outlet, and the third air outlet are provided with grilles to control the opening or closing of the first air inlet, the second air inlet, the first air outlet, the second air outlet, and the third air outlet.
In the technical scheme, the air inlet and the air outlet are provided with the grids to realize the control of each air outlet and each air inlet, ensure that air enters from the preset air inlet and is discharged from the preset air outlet, and ensure the flowing direction of the air in the air channel.
In any of the above technical solutions, preferably, the first heat exchanger is connected in series with the second heat exchanger.
In this technical scheme, through establishing ties first heat exchanger and second heat exchanger for first heat exchanger and second heat exchanger can freely be changed between evaporimeter and condenser, and when first heat exchanger was the condenser, the second heat exchanger was the evaporimeter, and when first heat exchanger was the evaporimeter, the second heat exchanger was the condenser.
In any of the above technical solutions, preferably, the first heat exchanger and the second heat exchanger are both provided with a temperature sensor.
In the technical scheme, the temperature sensors are arranged on the first heat exchanger and the second heat exchanger, and the temperature sensors are used for detecting the surface temperatures of the first heat exchanger and the second heat exchanger, so that the states of the first heat exchanger and the second heat exchanger can be accurately judged, and the dehumidifier can be controlled according to the states of the first heat exchanger and the second heat exchanger.
according to a second object of the present invention, the present invention provides a dehumidifier, which includes the air duct structure according to any one of the above technical solutions, so that the dehumidifier has all the beneficial effects of the air duct structure according to any one of the above technical solutions.
in addition, the dehumidifier in the above technical solution provided by the present invention may further have the following additional technical features:
In the above technical solution, preferably, the dehumidifier further includes: the compressor is connected with the first heat exchanger and the second heat exchanger through the four-way valve; the compressor is provided with an air outlet and an air return port; when the air outlet is connected with the first heat exchanger and the air return port is connected with the second heat exchanger, the first heat exchanger is a condenser, and the second heat exchanger is an evaporator; when the air outlet is connected with the second heat exchanger and the air return port is connected with the first heat exchanger, the second heat exchanger is a condenser, and the first heat exchanger is an evaporator.
In the technical scheme, the compressor is connected with the first heat exchanger and the second heat exchanger, the compressor provides a refrigerant for the first heat exchanger and the second heat exchanger, the stability of the dehumidification process of the dehumidifier is ensured, the change of the connection method of the heat exchanger and the compressor is realized through the conversion of the four-way valve, the conversion of the first heat exchanger and the second heat exchanger between the condenser and the evaporator is realized, the continuous dehumidification of the dehumidifier is ensured, and the dehumidification capacity and the dehumidification effect of the dehumidifier are improved.
In any of the above technical solutions, preferably, the dehumidifier further includes a water pan, where the water pan is located below the first heat exchanger and the second heat exchanger to collect condensed water generated on the surfaces of the first heat exchanger and the second heat exchanger.
In the technical scheme, the water receiving disc is arranged to collect the condensed water on the surfaces of the first heat exchanger and the second heat exchanger, so that the condensed water is prevented from entering the interior of the dehumidifier to damage electrical elements in the dehumidifier, and the service life of the dehumidifier is ensured.
In any of the above technical solutions, preferably, the dehumidifier further includes a water tank, where the water tank is communicated with the water pan and is used for storing condensed water collected by the water pan.
In this technical scheme, be arranged in storing the comdenstion water in the water collector through setting up the water tank, avoid the user to need often clear up the comdenstion water in the water collector, promoted user's experience effectively and felt.
According to a third aspect of the present invention, there is provided a dehumidifying method for dehumidifying air by the dehumidifier according to any one of the above aspects, the dehumidifying method comprising: receiving a dehumidification instruction, starting a compressor and starting a fan; opening the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air; receiving a defrosting instruction of the first heat exchanger, opening the second air inlet and the second air outlet, closing the first air inlet, the first air outlet and the third air outlet, converting the first heat exchanger into a condenser to defrost the first heat exchanger, and converting the second heat exchanger into an evaporator to dehumidify air.
The dehumidification method provided by the invention comprises the steps of firstly opening the first air inlet and the third air outlet to enable air to enter from the first air inlet, and then to be discharged from the third air outlet after passing through the first heat exchanger and the second heat exchanger, wherein the first heat exchanger is an evaporator, so that the air passing through the first heat exchanger can be dehumidified, when the first heat exchanger needs defrosting, the second air inlet and the second air outlet are opened, the first heat exchanger is converted into a condenser for defrosting, the second heat exchanger is converted into an evaporator, the air enters from the second air inlet, passes through the second heat exchanger and then is discharged from the second air outlet, the air is dehumidified while defrosting is realized, the dehumidification method is particularly suitable for being used in some low-temperature and high-humidity areas, and when the first heat exchanger defrosts, the air does not need to pass through the first heat exchanger which is defrosted, so that water vapor generated by the defrosting of the first heat exchanger is prevented from being brought into a room, the dehumidification capacity and the dehumidification efficiency of the dehumidifier are improved, the dehumidification effect of the dehumidifier is effectively improved, and the experience of a user is improved.
In addition, the dehumidification method in the technical scheme provided by the invention can also have the following additional technical characteristics:
in the above technical scheme, preferably, receiving the first heat exchanger instruction of defrosting, opening second air intake and second air outlet, closing first air intake, first air outlet and third air outlet, first heat exchanger converts the condenser into to defrost first heat exchanger, and the second heat exchanger converts the evaporator into, after dehumidifying to the air, the dehumidification method further includes: and receiving a defrosting end instruction of the first heat exchanger, returning to open the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air.
in the technical scheme, after the defrosting of the first heat exchanger is finished, the first air inlet and the third air outlet are opened and closed, the first heat exchanger is converted into the evaporator, and the second heat exchanger is converted into the condenser, so that the air is dehumidified, the continuous dehumidification of the dehumidifier is realized, and the dehumidification effect of the dehumidifier is further improved.
in any one of the above technical solutions, preferably, after receiving a defrosting instruction of the first heat exchanger, the second air inlet and the second air outlet are opened, the first air inlet, the first air outlet and the third air outlet are closed, the first heat exchanger is converted into a condenser to defrost the first heat exchanger, the second heat exchanger is converted into an evaporator to dehumidify air, and then the dehumidification method further includes: receiving a defrosting end instruction of the first heat exchanger, opening the second air inlet and the first air outlet, and closing the first air inlet, the second air outlet and the third air outlet, wherein the first heat exchanger is a condenser, and the second heat exchanger is an evaporator so as to dehumidify air; receiving a defrosting instruction of a second heat exchanger, opening a first air inlet and a second air outlet, and closing the second air inlet, the first air outlet and a third air outlet, wherein the first heat exchanger is converted into an evaporator to dehumidify air, and the second heat exchanger is converted into a condenser to defrost the second heat exchanger; and receiving a defrosting end instruction of the second heat exchanger, returning to open the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air.
In this technical scheme, through opening second air intake and first air outlet for first heat exchanger and second heat exchanger need not convert once more after first heat exchanger defrosting finishes, can realize continuing to dehumidify the air, when needs defrosting the second heat exchanger, just convert first heat exchanger into the evaporimeter, the second heat exchanger converts into the condenser, the reducible first heat exchanger of this kind of dehumidification mode and the number of times of conversion of second heat exchanger between condenser and evaporimeter, the cold and hot alternation of first heat exchanger with the second heat exchanger has been reduced, the life of first heat exchanger and second heat exchanger has been prolonged effectively.
in any of the above technical solutions, preferably, the first heat exchanger and the second heat exchanger detect the surface temperatures of the first heat exchanger and the second heat exchanger through temperature sensors to determine whether defrosting of the first heat exchanger and/or the second heat exchanger is finished.
In the technical scheme, the surface temperatures of the first heat exchanger and the second heat exchanger are detected through the temperature sensors, and whether defrosting of the first heat exchanger and/or the second heat exchanger is finished or not is determined according to the detected temperatures.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
drawings
the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic diagram of a dehumidifier according to an embodiment of the present invention;
FIG. 2 illustrates a schematic diagram of the operational state of a dehumidifier according to one embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the connection structure of internal components of a dehumidifier according to an embodiment of the present invention in an operating state;
FIG. 4 illustrates a schematic diagram of a dehumidification state of a dehumidifier according to one embodiment of the present invention;
FIG. 5 is a schematic view showing a connection structure of internal components of a dehumidifier according to an embodiment of the present invention in a dehumidifying state;
FIG. 6 illustrates a schematic diagram of an operational state of a dehumidifier according to another embodiment of the present invention;
FIG. 7 illustrates a schematic view of a dehumidification state of a dehumidifier according to another embodiment of the present invention;
FIG. 8 shows a flow diagram of a dehumidification method according to one embodiment of the present disclosure;
FIG. 9 shows a flow diagram of a dehumidification method according to another embodiment of the present disclosure;
FIG. 10 illustrates a flow diagram of a dehumidification method in accordance with yet another embodiment of the present invention;
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
102 a first heat exchanger, 104 a first air inlet, 106 a first air duct, 1062 a first area, 1064 a second area, 1066 a third area, 108 a second channel, 110 a fourth air outlet, 112 a fan, 114 a housing, 116 a grille, 118 a second air inlet, 120 a second heat exchanger, 122 a first air outlet, 124 a second air outlet, 126 a third air outlet, 128 a first baffle, 130 a second baffle, 20 a drip tray, 30 a four-way valve, 40 a water tank, 50 a compressor.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The air duct structure, the dehumidifier and the dehumidification method according to some embodiments of the present invention will be described with reference to fig. 1 to 10.
In an embodiment of the first aspect of the present invention, as shown in fig. 1, the present invention provides an air duct structure for a dehumidifier, where the dehumidifier includes a housing 114, and the air duct structure includes: a first air duct 106, a first heat exchanger 102 and a second heat exchanger 120, the first air duct 106 being enclosed by a side wall of the housing 114, a first partition 128 and a second partition 130; the first heat exchanger 102 is disposed in the first air duct 106 and connected to the first partition 128; the second heat exchanger 120 is disposed in the first air duct 106 and connected to the first partition 128; the first air duct 106 is divided into a first area 1062, a second area 1064 and a third area 1066 by the first heat exchanger 102 and the second heat exchanger 120, the first area 1062 is located between the first heat exchanger 102 and one side wall of the housing, the second area 1064 is located between the first heat exchanger 102 and the second heat exchanger 120, and the third area 1066 is located between the second heat exchanger 120 and the other side wall of the housing.
In this embodiment, the first air chute 106 is divided into three regions by the first heat exchanger 102 and the second heat exchanger 120, in the dehumidification process, as shown in fig. 2 and 3, the first heat exchanger 102 is an evaporator, the second heat exchanger 120 is a condenser, air enters from the first area 1062, passes through the second area 1064 and then is discharged from the third area 1066, and since the first heat exchanger 102 is an evaporator, when the air enters the second area 1064 from the first area 1062, the moisture in the air is condensed into water drops on the surface of the first heat exchanger 102, so that the air is effectively dehumidified, after a period of time, as shown in fig. 4 and 5, the first heat exchanger 102 needs to be defrosted, at this time, the first heat exchanger 102 is converted into a condenser, the first heat exchanger 102 starts to defrost, the second heat exchanger 120 is converted into an evaporator, air enters from the third area 1066, passes through the second heat exchanger 120, and is discharged from the second area 1064; the air channel structure enables the dehumidifier to still dehumidify when defrosting, is particularly suitable for being used in low-temperature and high-humidity areas, air does not need to pass through the defrosting heat exchanger, water vapor generated by defrosting of the heat exchanger is prevented from being brought into a room by the passing air, the dehumidification capacity and the dehumidification efficiency of the dehumidifier are improved, the dehumidification effect of the dehumidifier is effectively improved, and the experience of users is improved.
it should be noted that the positions of the first heat exchanger 102 and the second heat exchanger 120 can be interchanged, and when the positions of the first heat exchanger 102 and the second heat exchanger 120 are interchanged, the first area 1062 and the third area 1066 are also interchanged.
In one embodiment of the present invention, preferably, as shown in fig. 1, the side wall of the housing is provided with a first air inlet 104 and a second air inlet 118; the first intake vent 104 communicates with the first area 1062 and the second intake vent 118 communicates with the third area 1066.
In this embodiment, the first air inlet 104 is disposed on the side wall of the first area 1062, and the second air inlet 118 is disposed on the side wall of the third area 1066, so that the air duct can effectively control the air inlet direction, ensure the stable operation of the dehumidification process, and effectively ensure the dehumidification effect of the dehumidifier.
In an embodiment of the present invention, preferably, as shown in fig. 1, the first partition 128 is provided with a first air outlet 122, a second air outlet 124 and a third air outlet 126; the first air outlet 122 is in communication with the first area 1062, the second air outlet 124 is in communication with the second area 1064, and the third air outlet 126 is in communication with the third area 1066.
In this embodiment, the first air outlet 122, the second air outlet 124 and the third air outlet 126 are respectively disposed in the first area 1062, the second area 1064 and the third area 1066, and the first air inlet 104 and the second air inlet 118 together control the flow direction of the air in the air duct, so that the first heat exchanger 102 or the second heat exchanger 120 can effectively dehumidify the air, and the dehumidification effect of the dehumidifier is ensured.
In one embodiment of the present invention, preferably, as shown in fig. 1, the air duct structure further includes: the second air duct 108 is formed by enclosing a first partition 128, a side wall of the casing 114 and a top wall of the casing 114, and the second air duct 108 is communicated with the first air outlet 122, the second air outlet 124 and the third air outlet 126; the top wall of the housing 114 is provided with a fourth air outlet 110.
in this embodiment, by providing the fourth air duct and providing the fourth air outlet 110 on the top wall of the housing 114, the air flowing out of the first air outlet 122, the second air outlet 124 and the third air outlet 126 is guided to the fourth air outlet 110 and then discharged, so that the consistency of the air outlet direction of the dehumidifier is ensured, and the experience of the user is effectively improved.
In one embodiment of the present invention, preferably, as shown in fig. 1, the air duct structure further includes: and the fan 112 is connected with the shell 114 and arranged at the fourth air outlet 110.
In this embodiment, the fan 112 is disposed at the fourth air outlet 110 to provide power for the air to flow in the air duct, so that the flow speed of the air in the air duct is increased, and the dehumidification capacity and the dehumidification efficiency of the dehumidifier are further improved.
In one embodiment of the present invention, as shown in fig. 1, a grill 116 is preferably disposed at each of the first air inlet 104, the second air inlet 118, the first air outlet 122, the second air outlet 124 and the third air outlet 126 to control opening or closing of the first air inlet 104, the second air inlet 118, the first air outlet 122, the second air outlet 124 and the third air outlet 126.
In this embodiment, the grilles 116 are disposed at the air inlet and the air outlet to control the air outlets and the air inlets, so as to ensure that air enters from the preset air inlet and exits from the preset air outlet, thereby ensuring the flowing direction of the air inside the air duct.
in one embodiment of the present invention, preferably, as shown in fig. 3, the first heat exchanger 102 is in series with the second heat exchanger 120.
in this embodiment, the first heat exchanger 102 and the second heat exchanger 120 are connected in series, so that the first heat exchanger 102 and the second heat exchanger 120 can be freely switched between an evaporator and a condenser, when the first heat exchanger 102 is a condenser, the second heat exchanger 120 is an evaporator, and when the first heat exchanger 102 is an evaporator, the second heat exchanger 120 is a condenser.
In one embodiment of the present invention, it is preferable that a temperature sensor is disposed on each of the first heat exchanger 102 and the second heat exchanger 120.
In this embodiment, the temperature sensors are disposed on the first heat exchanger 102 and the second heat exchanger 120, and the temperature sensors detect the temperatures of the surfaces of the first heat exchanger 102 and the second heat exchanger 120, so that the states of the first heat exchanger 102 and the second heat exchanger 120 can be accurately determined, and the dehumidifier can be controlled according to the states of the first heat exchanger 102 and the second heat exchanger 120.
in an embodiment of a second aspect of the present invention, the present invention provides a dehumidifier, which includes the air duct structure according to any one of the above embodiments, so that the dehumidifier has all the beneficial effects of the air duct structure according to any one of the above embodiments.
In an embodiment of the present invention, preferably, as shown in fig. 1, the dehumidifier further includes: a compressor 50, wherein the compressor 50 is connected with the first heat exchanger 102 and the second heat exchanger 120 through a four-way valve 30; the compressor 50 is provided with an air outlet and an air return port; when the air outlet is connected with the first heat exchanger 102 and the air return opening is connected with the second heat exchanger 120, the first heat exchanger 102 is a condenser and the second heat exchanger 120 is an evaporator; when the air outlet is connected to the second heat exchanger 120 and the return air inlet is connected to the first heat exchanger 102, the second heat exchanger 120 is a condenser and the first heat exchanger 102 is an evaporator.
in this embodiment, the compressor 50 is connected to the first heat exchanger 102 and the second heat exchanger 120, and the compressor 50 provides a refrigerant for the first heat exchanger 102 and the second heat exchanger 120, so that stability of a dehumidification process of the dehumidifier is ensured, a connection method between the heat exchanger and the compressor 50 is changed by switching the four-way valve 30, transition between a condenser and an evaporator of the first heat exchanger 102 and the second heat exchanger 120 is realized, continuous dehumidification of the dehumidifier is ensured, and dehumidification capacity and dehumidification effect of the dehumidifier are improved.
in an embodiment of the present invention, preferably, as shown in fig. 1, the dehumidifier further includes a water pan 20, and the water pan 20 is located below the first heat exchanger 102 and the second heat exchanger 120 to collect condensed water generated on the surfaces of the first heat exchanger 102 and the second heat exchanger 120.
In this embodiment, the water receiving tray 20 is arranged to collect the condensed water on the surfaces of the first heat exchanger 102 and the second heat exchanger 120, so that the condensed water is prevented from entering the interior of the dehumidifier to damage electrical components inside the dehumidifier, and the service life of the dehumidifier is ensured.
in an embodiment of the present invention, preferably, as shown in fig. 1, the dehumidifier further includes a water tank 40, and the water tank 40 is communicated with the water-receiving tray 20 and is used for storing the condensed water collected by the water-receiving tray 20.
in this embodiment, the water tank 40 is arranged for storing the condensed water in the water pan 20, so that the user is prevented from frequently cleaning the condensed water in the water pan 20, and the experience of the user is effectively improved.
In an embodiment of a third aspect of the present invention, as shown in fig. 8, the present invention provides a dehumidification method for dehumidifying air by using the dehumidifier according to any one of the above embodiments, the dehumidification method comprising: step 802, receiving a dehumidification instruction, starting a compressor and starting a fan; step 804, opening the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser to dehumidify air; step 806, receiving a defrosting instruction of the first heat exchanger, opening the second air inlet and the second air outlet, closing the first air inlet, the first air outlet and the third air outlet, converting the first heat exchanger into a condenser to defrost the first heat exchanger, and converting the second heat exchanger into an evaporator to dehumidify air.
In this embodiment, as shown in fig. 2 and 3, the first air inlet and the third air outlet are opened first, so that air enters from the first air inlet, passes through the first heat exchanger and the second heat exchanger and then is discharged from the third air outlet, because the first heat exchanger is an evaporator, the air passing through the first heat exchanger can be dehumidified, as shown in fig. 4 and 5, when the first heat exchanger needs defrosting, the second air inlet and the second air outlet are opened, the first heat exchanger is converted into a condenser for defrosting, the second heat exchanger is converted into an evaporator, the air enters from the second air inlet, passes through the second heat exchanger and then is discharged from the second air outlet, so that the air is dehumidified while defrosting is realized, the air is particularly suitable for being used in some low-temperature and high-humidity areas, and when the first heat exchanger defrosts, the air does not need to pass through the first heat exchanger which is defrosted, and water vapor generated by the first heat exchanger is prevented from being brought into an air chamber through which the air passes, the dehumidification capacity and the dehumidification efficiency of the dehumidifier are improved, the dehumidification effect of the dehumidifier is effectively improved, and the experience of a user is improved.
In one embodiment of the present invention, preferably, as shown in fig. 9, the dehumidification method includes: step 902, receiving a dehumidification instruction, starting a compressor and starting a fan; step 904, opening the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser to dehumidify air; step 906, receiving a defrosting instruction of the first heat exchanger, opening a second air inlet and a second air outlet, closing the first air inlet, the first air outlet and the third air outlet, converting the first heat exchanger into a condenser to defrost the first heat exchanger, and converting the second heat exchanger into an evaporator to dehumidify air; and 908, receiving a defrosting end instruction of the first heat exchanger, returning to open the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser to dehumidify air.
In the embodiment, after the defrosting of the first heat exchanger is finished, the first air inlet and the third air outlet are opened and closed, the first heat exchanger is converted into the evaporator, and the second heat exchanger is converted into the condenser, so that the air is dehumidified, the continuous dehumidification of the dehumidifier is realized, and the dehumidification effect of the dehumidifier is further improved.
In one embodiment of the present invention, preferably, as shown in fig. 10, the dehumidification method includes: step 1002, receiving a dehumidification instruction, starting a compressor and starting a fan; step 1004, opening the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser to dehumidify air; step 1006, receiving a defrosting instruction of the first heat exchanger, opening the second air inlet and the second air outlet, and closing the first air inlet, the first air outlet and the third air outlet, wherein the first heat exchanger is converted into a condenser to defrost the first heat exchanger, and the second heat exchanger is converted into an evaporator to dehumidify air; step 1008, receiving a defrosting end instruction of the first heat exchanger, opening the second air inlet and the first air outlet, and closing the first air inlet, the second air outlet and the third air outlet, wherein the first heat exchanger is a condenser, and the second heat exchanger is an evaporator, so as to dehumidify air; step 1010, receiving a defrosting instruction of a second heat exchanger, opening a first air inlet and a second air outlet, and closing the second air inlet, the first air outlet and a third air outlet, wherein the first heat exchanger is converted into an evaporator to dehumidify air, and the second heat exchanger is converted into a condenser to defrost the second heat exchanger; and 1012, receiving a defrosting end instruction of the second heat exchanger, returning to open the first air inlet and the third air outlet, and closing the second air inlet, the first air outlet and the second air outlet, wherein the first heat exchanger is converted into an evaporator, and the second heat exchanger is converted into a condenser, so as to dehumidify air.
In this embodiment, as shown in fig. 6, the second air inlet and the first air outlet are opened, so that the first heat exchanger and the second heat exchanger can continuously dehumidify air without conversion again after defrosting of the first heat exchanger is finished, as shown in fig. 7, until defrosting of the second heat exchanger is required, the first heat exchanger is converted into the evaporator, the second heat exchanger is converted into the condenser, and the first air inlet and the second air outlet are opened.
In one embodiment of the invention, preferably, the first heat exchanger and the second heat exchanger detect the surface temperature of the first heat exchanger and the second heat exchanger through temperature sensors to determine whether defrosting of the first heat exchanger and/or the second heat exchanger is finished.
In the embodiment, the surface temperatures of the first heat exchanger and the second heat exchanger are detected through the temperature sensors, and whether the defrosting of the first heat exchanger and/or the second heat exchanger is finished or not is determined according to the detected temperatures.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. the utility model provides an air flue structure for the dehumidifier, the dehumidifier includes the casing, its characterized in that, air flue structure includes:
The first air duct is enclosed by the side wall of the shell, the first partition plate and the second partition plate;
the first heat exchanger is arranged in the first air duct and is connected with the first partition plate;
The second heat exchanger is arranged in the first air duct and is connected with the first partition plate;
Wherein the first heat exchanger and the second heat exchanger divide the first air duct into a first region, a second region and a third region, the first region being located between the first heat exchanger and one side wall of the housing, the second region being located between the first heat exchanger and the second heat exchanger, the third region being located between the second heat exchanger and the other side wall of the housing;
The first partition plate is provided with a first air outlet, a second air outlet and a third air outlet;
the first air outlet is communicated with the first area, the second air outlet is communicated with the second area, and the third air outlet is communicated with the third area;
Under the condition that the dehumidifier is in a dehumidification state, the first heat exchanger is an evaporator, the second heat exchanger is a condenser, the first air outlet and the second air outlet are in a closed state, and the third air outlet is in an open state;
And under the condition that the dehumidifier is in a defrosting state, the first heat exchanger is a condenser, the second heat exchanger is an evaporator, the first air outlet and the third air outlet are in a closed state, and the second air outlet is in an open state.
2. the air duct structure according to claim 1,
A first air inlet and a second air inlet are formed in the side wall of the shell;
The first air inlet is communicated with the first area, and the second air inlet is communicated with the third area.
3. The air duct structure according to claim 1, further comprising:
The second air duct is enclosed by the first partition plate, the side wall of the shell and the top wall of the shell, and is communicated with the first air outlet, the second air outlet and the third air outlet;
And a fourth air outlet is arranged on the top wall of the shell.
4. The air duct structure according to claim 3, characterized by further comprising: and the fan is connected with the shell and arranged at the fourth air outlet.
5. the air duct structure according to claim 2, wherein the first air inlet, the second air inlet, the first air outlet, the second air outlet, and the third air outlet are provided with grilles to control opening or closing of the first air inlet, the second air inlet, the first air outlet, the second air outlet, and the third air outlet.
6. the air duct structure according to any one of claims 1 to 5, wherein the first heat exchanger is connected in series with the second heat exchanger.
7. The air duct structure according to any one of claims 1 to 5, wherein a temperature sensor is provided on each of the first heat exchanger and the second heat exchanger.
8. a dehumidifier comprising a duct structure according to any one of claims 1 to 7.
9. The dehumidifier of claim 8, further comprising:
The compressor is connected with the first heat exchanger and the second heat exchanger through a four-way valve;
The compressor is provided with an air outlet and an air return port;
When the gas outlet is connected with the first heat exchanger and the gas return port is connected with the second heat exchanger, the first heat exchanger is a condenser, and the second heat exchanger is an evaporator;
when the gas outlet is connected with the second heat exchanger and the gas return port is connected with the first heat exchanger, the second heat exchanger is a condenser, and the first heat exchanger is an evaporator.
10. The dehumidifier of claim 8 further comprising a water pan positioned below the first and second heat exchangers to collect condensate water produced on the surfaces of the first and second heat exchangers.
11. The dehumidifier of claim 10 further comprising a water tank in communication with the water pan for storing the condensed water collected by the water pan.
12. A dehumidifying method for dehumidifying air by a dehumidifier as claimed in any one of claims 8 to 11, wherein the dehumidifying method comprises:
receiving a dehumidification instruction, starting a compressor and starting a fan;
Opening the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air;
receiving a defrosting instruction of a first heat exchanger, opening the second air inlet and the second air outlet, closing the first air inlet, the first air outlet and the third air outlet, converting the first heat exchanger into a condenser to defrost the first heat exchanger, and converting the second heat exchanger into an evaporator to dehumidify air.
13. The dehumidification method according to claim 12, wherein after receiving a first heat exchanger defrosting command, opening the second air inlet and the second air outlet, and closing the first air inlet, the first air outlet, and the third air outlet, the first heat exchanger is converted to a condenser to defrost the first heat exchanger, and the second heat exchanger is converted to an evaporator to dehumidify air, the dehumidification method further comprises:
And receiving a defrosting end instruction of the first heat exchanger, returning to open the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air.
14. the dehumidification method according to claim 12, wherein after receiving a first heat exchanger defrosting command, opening the second air inlet and the second air outlet, and closing the first air inlet, the first air outlet, and the third air outlet, the first heat exchanger is converted to a condenser to defrost the first heat exchanger, and the second heat exchanger is converted to an evaporator to dehumidify air, the dehumidification method further comprises:
receiving a defrosting end instruction of a first heat exchanger, opening the second air inlet and the first air outlet, and closing the first air inlet, the second air outlet and the third air outlet, wherein the first heat exchanger is a condenser, and the second heat exchanger is an evaporator, so as to dehumidify air;
Receiving a defrosting instruction of a second heat exchanger, opening the first air inlet and the second air outlet, and closing the second air inlet, the first air outlet and the third air outlet, wherein the first heat exchanger is converted into an evaporator to dehumidify air, and the second heat exchanger is converted into a condenser to defrost the second heat exchanger;
And receiving a defrosting end instruction of the second heat exchanger, returning to open the first air inlet and the third air outlet, closing the second air inlet, the first air outlet and the second air outlet, converting the first heat exchanger into an evaporator, and converting the second heat exchanger into a condenser so as to dehumidify air.
15. A dehumidification method as claimed in claim 13 or claim 14, wherein the first and second heat exchangers sense the surface temperatures of the first and second heat exchangers via temperature sensors to determine whether defrosting of the first and/or second heat exchangers is complete.
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| CN201710315951.1A CN107062446B (en) | 2017-05-08 | 2017-05-08 | Air duct structure, dehumidifier and dehumidification method |
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| CN201710315951.1A CN107062446B (en) | 2017-05-08 | 2017-05-08 | Air duct structure, dehumidifier and dehumidification method |
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| CN108954516A (en) * | 2018-07-19 | 2018-12-07 | 珠海格力电器股份有限公司 | Dehumidifier and working method thereof |
| CN111306658A (en) * | 2020-03-06 | 2020-06-19 | 宁波德业科技股份有限公司 | Defrosting method of dehumidifier |
| CN112197412B (en) * | 2020-10-22 | 2024-06-28 | 珠海格力电器股份有限公司 | Air outlet duct structure, aircraft ground air conditioner and control method of aircraft ground air conditioner |
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| CN101178223A (en) * | 2006-11-06 | 2008-05-14 | 黄景良 | Removable multi-functional air conditioner |
| CN101839525A (en) * | 2009-03-19 | 2010-09-22 | 乐金电子(天津)电器有限公司 | Dehumidifier with function of movable air conditioner |
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