CN111336588A - Dehumidification device and method, dehumidification capacity recovery system and method and air conditioner - Google Patents
Dehumidification device and method, dehumidification capacity recovery system and method and air conditioner Download PDFInfo
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- CN111336588A CN111336588A CN202010193251.1A CN202010193251A CN111336588A CN 111336588 A CN111336588 A CN 111336588A CN 202010193251 A CN202010193251 A CN 202010193251A CN 111336588 A CN111336588 A CN 111336588A
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- dehumidification
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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
- 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
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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
- 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
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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
- 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
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
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- Mathematical Physics (AREA)
- Central Air Conditioning (AREA)
Abstract
A dehumidification device is applied to the technical field of air conditioners and comprises a porous composite plate, wherein the porous composite plate is arranged at an air inlet of an air conditioner internal machine and is fixed in the air conditioner internal machine; the porous composite board comprises a porous medium board and a moisture absorbent for absorbing moisture, wherein the moisture absorbent is filled in each hole of the porous medium board. The present disclosure also provides a dehumidification capability recovery system, an air conditioner, a dehumidification method, and a dehumidification capability recovery method, which can reduce the total cooling load in a building, increase the evaporation temperature, and separate the cooling and dehumidification functions of the air conditioner.
Description
Technical Field
The disclosure relates to the technical field of air conditioners, in particular to a dehumidifying device and method, a dehumidifying capacity recovery system and method and an air conditioner.
Background
The dehumidification principle of traditional air conditioner adopts the condensation dehumidification always, unifies and adjusts the warm and humid environment of building, still need get rid of sensible heat load and latent heat load in the building when adopting the condensation dehumidification to realize the control of humiture.
The dehumidification principle can achieve the purpose of dehumidification only by reducing the evaporation temperature below the dew point temperature, so that if the relative humidity of an air outlet of the air conditioner needs to be ensured within a reasonable range, the temperature of the evaporator needs to be reduced to achieve the purpose of dehumidification, so that the total cold load rate in a building is high, and the evaporation temperature is low.
Disclosure of Invention
The present disclosure is directed to a dehumidification device and method, a dehumidification capability recovery system and method, and an air conditioner, which can reduce the total cooling load in a building, increase the evaporation temperature, and separate the cooling and dehumidification functions of the air conditioner.
In order to achieve the above object, a first aspect of the embodiments of the present disclosure provides a dehumidification device 10 for an air conditioner indoor unit 100, including a porous composite plate 101, where the porous composite plate 101 is disposed at an air inlet of the air conditioner indoor unit and fixed in the air conditioner indoor unit 100;
the porous composite board 101 includes a porous dielectric board and a moisture absorbent for absorbing moisture, and the moisture absorbent is filled in each hole of the porous dielectric board.
Therefore, when air enters the air inlet of the air conditioner indoor unit 100, the air firstly passes through the porous composite plate 101, the moisture absorbent in the holes of the porous composite plate 101 is used for drying the air, the moisture content of the dried air is reduced, and the evaporator 50 is not required to be cooled to realize condensation and dehumidification, so that the cooling and dehumidification functions of the air conditioner can be separated, the evaporation temperature of the evaporator 50 is increased, the total cold load in a building is reduced, and the working efficiency of the air conditioner is improved.
Optionally, the material of the moisture absorbent is a moisture absorbent material which can be regenerated by heating;
the dehumidifying device 10 further comprises heat exchange tubes 102, wherein the heat exchange tubes 102 are uniformly distributed in the porous composite plate 101, and are used for heating the moisture absorbent through high-temperature liquid when the high-temperature liquid flows through the heat exchange tubes 102.
Therefore, the absorbent is heated by flowing a high-temperature liquid through the heat exchange tube. The dehumidifying device 10 can be recycled, and the dehumidifying function is stable and effective for a long time.
Optionally, the dehumidification device 10 is disposed above the evaporator 50 of the air conditioner internal unit 100.
Therefore, after the air is dehumidified by the dehumidifier 10, the air can quickly reach the evaporator 50, and the working efficiency is improved.
A second aspect of the embodiment of the present disclosure provides a dehumidification capability recovery system, including a refrigerant circuit and the dehumidification device 10 according to the first aspect of the embodiment of the present disclosure;
the refrigerant loop comprises a compressor 20, a condenser 30, an electronic expansion valve 40 and an evaporator 50, wherein the compressor 20, the condenser 30, the electronic expansion valve 40 and the evaporator 50 are sequentially connected through pipelines to form a loop;
the inlet end of the heat exchange tube 102 of the dehumidifier 10 is communicated with the pipeline between the compressor 20 and the condenser 30, and the outlet end of the heat exchange tube 102 of the dehumidifier 10 is communicated with the pipeline between the electronic expansion valve 40 and the evaporator 50.
Therefore, the dehumidification function can be stable and effective for a long time by utilizing partial energy conversion of a high-temperature refrigerant in the refrigerant loop and heating the moisture absorbent, the structure is simple, and the total power consumption of the air conditioner is not required to be increased.
Optionally, the dehumidification capacity recovery system further comprises a throttling device 60, an inlet end of the throttling device 60 is communicated with an outlet end of the heat exchange pipe 102, and an outlet end of the throttling device 60 is communicated with a pipeline between the electronic expansion valve 40 and the evaporator 50;
the throttling device 60 is used for throttling and depressurizing the refrigerant flowing out of the outlet end of the heat exchange tube 102 to evaporation pressure, and then flowing into a pipeline between the electronic expansion valve 40 and the evaporator 50.
Therefore, the high-pressure refrigerant flowing out of the heat exchange tube 102 is throttled and depressurized by the throttling device 60 to reach the evaporation pressure of the evaporator 50, so that the excessive evaporation temperature and the increased power of the compressor 20 caused by the excessive evaporation pressure of the refrigerant flowing out of the heat exchange tube 102 to the evaporator 50 are avoided.
Optionally, the dehumidification capacity recovery system further comprises a solenoid valve 70, and the solenoid valve 70 is disposed on a pipeline at an inlet end of the heat exchange pipe 102 of the dehumidification device 10;
the solenoid valve 70 is used for controlling the high-temperature refrigerant from the compressor 20 to flow into the heat exchange pipe 102 of the dehumidifier 10.
Therefore, the dehumidification capability recovery function of the dehumidification device 10 can be flexibly controlled, and the refrigerant resource utilization efficiency is improved.
A third aspect of the embodiments of the present disclosure provides an air conditioner including the dehumidifying apparatus according to the second aspect.
A fourth aspect of embodiments of the present disclosure provides an air conditioner including the dehumidification capability recovery system according to the second aspect.
A fifth aspect of the embodiments of the present disclosure provides a dehumidification method, which is applied to the dehumidification device according to the first aspect of the embodiments of the present disclosure, and the method includes:
when air enters from an air inlet of the air conditioner indoor unit 100, moisture in the air is absorbed by the moisture absorbent in the porous composite board 101;
the evaporator 50 in the air conditioner indoor unit 100 exchanges heat with the air after absorbing moisture.
Therefore, when air enters the air inlet of the air conditioner indoor unit 100, firstly, the air passes through the porous composite plate 101, the moisture absorbent in the holes of the porous composite plate 101 is used for drying the air, the moisture content of the air after drying is reduced, the evaporator 50 is not required to be cooled to realize condensation dehumidification, and only the evaporator 50 is required to be directly used for carrying out heat exchange on the air after absorbing moisture, therefore, the air conditioner can be cooled and dehumidified separately, the evaporation temperature of the evaporator 50 is increased, the total cooling load in a building is reduced, and the working efficiency of the air conditioner is improved.
A sixth aspect of the embodiments of the present disclosure provides a dehumidification capability recovery method applied to the dehumidification capability recovery system according to the second aspect of the embodiments of the present disclosure, where the method includes:
the high-temperature refrigerant from the compressor 20 in the heat exchange pipe 102 is used for heating the moisture absorbent in the dehumidifying device 10;
the refrigerant flowing out of the heat exchange tube 102 is throttled and depressurized by the throttle device 60 to an evaporation pressure, and then flows into a pipeline between the electronic expansion valve 40 and the evaporator 50.
Therefore, the moisture absorbent is heated by utilizing partial energy conversion of the high-temperature refrigerant in the refrigerant loop, and the dehumidification function can be stably and effectively realized for a long time without increasing the total power consumption of the air conditioner.
Optionally, before the heat exchange pipe 102 is used to heat the moisture absorbent in the dehumidifying device 10 by using the high-temperature refrigerant from the compressor 20, the method further includes:
collecting air humidity of the air conditioner indoor unit 100 during air inlet and air outlet;
calculating the difference value between the air humidity of the air conditioner indoor unit 100 when air enters and the air humidity of the air conditioner indoor unit 100 when air exits;
judging whether the difference value is smaller than a preset threshold value or not;
if so, enabling the high-temperature refrigerant from the compressor 20 to flow into the heat exchange tube 102 of the dehumidifier 10, and performing the step of collecting the humidity of the air conditioner indoor unit 100 during air inlet and air outlet again; if not, the high-temperature refrigerant from the compressor 20 is prohibited from flowing into the heat exchange tube 102 of the dehumidifier 10.
Therefore, the air humidity of the air inlet and the air humidity of the air outlet can be measured, when the difference value is detected to exceed the preset threshold value, the dehumidification capacity of the desiccant is reduced, and the dehumidification capacity of the desiccant in the dehumidification device 10 can be accurately monitored.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a dehumidifying apparatus according to an embodiment of the present disclosure;
fig. 2 is an installation schematic diagram of a dehumidifying apparatus provided in an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a dehumidification capability recovery system according to an embodiment of the present disclosure;
FIG. 4 is a schematic flow chart of a dehumidification method according to an embodiment of the present disclosure;
fig. 5 is a schematic flow chart of a dehumidification capability recovery method according to an embodiment of the present disclosure;
fig. 6 is a schematic flowchart of the dehumidification capability recovery method provided by the embodiment of fig. 5 in the present disclosure before step S201.
Description of the drawings:
10-a dehumidifying device, 101-a porous composite plate, 102-a heat exchange tube, 20-a compressor, 30-a condenser, 40-an electronic expansion valve, 50-an evaporator, 60-a throttling device, 70-an electromagnetic valve and 100-an air conditioner indoor unit.
Detailed Description
In order to make the objects, features and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a dehumidifying apparatus according to an embodiment of the present disclosure, fig. 2 is a schematic installation view of the dehumidifying apparatus according to an embodiment of the present disclosure, the dehumidifying apparatus 10 is used in an air conditioner indoor unit 100, and the apparatus includes a porous composite plate 101, and the porous composite plate 101 is disposed at an air inlet of the air conditioner indoor unit 100 and fixed in the air conditioner indoor unit 100.
Optionally, a boss, a groove, or a buckle may be added at the air inlet of the indoor unit 100 of the air conditioner, so as to fix the porous composite plate 101 at the air inlet of the indoor unit 100 of the air conditioner, thereby preventing displacement.
The porous composite plate 101 includes a porous dielectric plate and a moisture absorbent for absorbing moisture, and the moisture absorbent is filled in each hole of the porous dielectric plate. By adopting the mode of filling the moisture absorbent in the holes of the porous composite board 101, the structure is simple, and the moisture absorbent is uniformly distributed on the porous composite board 101, so that the moisture in the air can be uniformly absorbed, and the moisture absorption efficiency is improved.
The number of the holes on the porous medium plate is multiple, the holes are uniformly distributed, the shape and the area of each hole are not limited, the shape can be irregular, or regular shapes such as round, square and triangular, the area can be 3 square centimeters, 5 square centimeters or 10 square centimeters, and the moisture absorbent is not easy to fall off in the holes of the porous medium plate and absorbs moisture well.
It is understood that the form of the moisture absorbent is solid.
In this embodiment, the dehumidifying device 10 includes a porous composite board 101, the porous composite board 101 is disposed at an air inlet of the air conditioner indoor unit 100, the porous composite board 101 includes a porous dielectric board and a moisture absorbent for absorbing moisture, and the moisture absorbent is filled in each hole of the porous dielectric board. When air enters the air inlet of the air conditioner indoor unit 100, the air firstly passes through the porous composite plate 101, the moisture absorbent in holes of the porous composite plate 101 is used for drying the air, the moisture content of the air after drying is reduced, and the evaporator 50 is not required to be cooled to realize condensation and dehumidification, so that the air conditioner can be cooled and dehumidified separately, the total cold load in a building is reduced, the evaporation temperature of the evaporator 50 is increased, and the working efficiency of the air conditioner is improved.
In one embodiment of the present disclosure, the material of the moisture absorbent is a moisture absorbent material that can be regenerated by heating, and after the moisture absorbent is heated, the moisture in the moisture absorbent can be volatilized, and the moisture absorbent can recover the moisture absorption capability.
The dehumidifying apparatus 10 further comprises heat exchange tubes 102, wherein the heat exchange tubes 102 are uniformly distributed in the porous composite plate 101, and are used for heating the moisture absorbent by flowing high-temperature liquid in the heat exchange tubes 102 when the high-temperature liquid flows through the heat exchange tubes 102. The dehumidifying device 10 can be recycled, and the dehumidifying function is stable and effective for a long time.
Further, the heat exchange tube 102 can be made of a material with good heat conduction performance, such as gold, silver, copper, and the like.
In one embodiment of the present disclosure, the dehumidifier 10 is disposed above the evaporator 50 of the air conditioner internal unit 100, so that air can quickly reach the evaporator 50 after being dehumidified by the dehumidifier 10, thereby improving the work efficiency.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a dehumidification capability recovery system according to an embodiment of the present disclosure, where the dehumidification capability recovery system includes a refrigerant loop and the dehumidification device 10 shown in fig. 2;
the refrigerant loop comprises a compressor 20, a condenser 30, an electronic expansion valve 40 and an evaporator 50, wherein the compressor 20, the condenser 30, the electronic expansion valve 40 and the evaporator 50 are sequentially connected through a pipeline to form a loop;
the inlet end of the heat exchange pipe 102 of the dehumidifying apparatus 10 communicates with a pipe between the compressor 20 and the condenser 30, and the outlet end of the heat exchange pipe 102 of the dehumidifying apparatus 10 communicates with a pipe between the electronic expansion valve 40 and the evaporator 50.
When the dehumidification capacity recovery system works, a part of high-temperature refrigerant flowing to the condenser 30 from the compressor 20 flows to the heat exchange pipe 102 through the inlet end of the heat exchange pipe 102 and a pipeline between the compressor 20 and the condenser 30, so that the high-temperature refrigerant in the heat exchange pipe 102 is used for heating the moisture absorbent to remove moisture in the moisture absorbent, and the moisture absorption capacity of the moisture absorbent is recovered. The refrigerant heated by the absorbent has a reduced temperature, flows out through a pipe between the outlet end of the heat exchange pipe 102 and the electronic expansion valve 40 and the evaporator 50, is mixed with the refrigerant flowing into the evaporator 50 through the electronic expansion valve 40 in the refrigerant circuit, flows into the evaporator 50 together, exchanges heat in the evaporator 50, and finally returns to the compressor 20.
In this embodiment, only two pipelines are added to the refrigerant loop of the air conditioner, one pipeline connects the inlet end of the heat exchange tube 102 of the dehumidifier 10 with the pipeline between the compressor 20 and the condenser 30, and the other pipeline connects the outlet end of the heat exchange tube 102 of the dehumidifier 10 with the pipeline between the electronic expansion valve 40 and the evaporator 50.
In one embodiment of the present disclosure, the dehumidification capacity recovery system further includes a throttling device 60, an inlet end of the throttling device 60 is communicated with an outlet end of the heat exchange pipe 102, and an outlet end of the throttling device 60 is communicated with a pipeline between the electronic expansion valve 40 and the evaporator 50.
The throttling device 60 is used for throttling and depressurizing the refrigerant flowing out of the outlet end of the heat exchange tube 102 to evaporation pressure, and then the refrigerant flows into a pipeline between the electronic expansion valve 40 and the evaporator 50 and enters the evaporator 50.
Further, the throttling means 60 may be a capillary tube, a throttle valve, or the like having a throttling function. Illustratively, when the throttling device 60 is a capillary tube, the outlet end of the heat exchange tube 102 communicates with the inlet end of the capillary tube, and the outlet end of the capillary tube communicates with the conduit between the electronic expansion valve 40 and the evaporator 50. When the throttling means is a throttling valve, the throttling valve is installed on the pipeline at the outlet end of the heat exchange tube 102 such that the inlet end of the throttling valve communicates with the outlet end of the heat exchange tube 102 and the outlet end communicates with the pipeline between the electronic expansion valve 40 and the evaporator 50.
In this embodiment, the outlet of the heat exchange tube 102 of the dehumidifier 10 is communicated with the pipeline between the electronic expansion valve 40 and the evaporator 50 through the throttling device 60, so that the high-pressure refrigerant flowing out of the heat exchange tube 102 reaches the evaporation pressure of the evaporator 50 after being throttled and depressurized by the throttling device 60, thereby preventing the refrigerant flowing out of the heat exchange tube 102 to the evaporator 50 from having too high evaporation pressure, which results in too high evaporation temperature and increased power of the compressor 20.
In one embodiment of the present disclosure, the dehumidification capability recovery system further comprises a solenoid valve 70, the solenoid valve 70 is disposed on the pipeline at the inlet end of the heat exchange pipe 102 of the dehumidification device 10;
the solenoid valve 70 is used for controlling the high-temperature refrigerant from the compressor 20 to flow into the heat exchange pipe 102 in the dehumidifier 10.
It can be understood that the amount of the high temperature refrigerant flowing into the heat exchange pipe 102 can be controlled by adjusting the rotation degree of the solenoid valve 70.
In this embodiment, when the dehumidification capability of the dehumidification device 10 needs to be recovered, the electromagnetic valve 70 is opened, so that the high-temperature refrigerant from the compressor 20 flows into the heat exchange pipe 102 in the dehumidification device 10. When the dehumidification capability of the dehumidification device 10 is not required to be recovered, the solenoid valve 70 is closed, and the high-temperature refrigerant from the compressor 20 is entirely flowed into the condenser 30. The dehumidification capability recovery function of the dehumidification device 10 is flexibly controlled, and the refrigerant resource utilization efficiency is improved.
Referring to fig. 4, fig. 4 is a schematic flow chart of a dehumidification method according to an embodiment of the present disclosure, the method is applied to the dehumidification device 10 shown in fig. 1 or fig. 2, and the method includes:
s101, when air enters from an air inlet of the air conditioner indoor unit 100, moisture in the air is absorbed by a moisture absorbent in the porous composite plate 101;
and S102, exchanging heat for the air after absorbing the moisture by using the evaporator 50 in the air conditioner indoor unit 100.
In this implementation, when air gets into when air conditioner internal unit 100 air intake, at first through porous composite board 101, utilize the hygroscopic agent in porous composite board 101 hole to carry out the drying to the air, the air moisture content after the drying reduces, no longer need evaporimeter 50 to realize the condensation dehumidification through the cooling, only need directly utilize evaporimeter 50 to carry out the heat transfer to the air after absorbing moisture can, consequently, can separate air conditioner cooling and dehumidification function, improve evaporimeter 50's evaporating temperature, reduce the total cold load in the building, improve the work efficiency of air conditioner.
Referring to fig. 5, fig. 5 is a schematic flow chart of a dehumidification capability recovery method according to an embodiment of the present disclosure, where the method is applied to the dehumidification capability recovery system shown in fig. 3, and the method includes:
s201, heating the moisture absorbent in the dehumidifying device 10 by using a high-temperature refrigerant from the compressor 20 in the heat exchange pipe 102;
s202, the refrigerant flowing out of the heat exchanging pipe 102 is throttled and depressurized to an evaporation pressure by the throttle device 60, and then flows into a pipeline between the electronic expansion valve 40 and the evaporator 50.
In this embodiment, the high-temperature refrigerant from the compressor 20 in the heat exchange tube 102 is used to heat the moisture absorbent in the dehumidifier 10, the throttling device 60 is used to throttle and depressurize the refrigerant flowing out of the heat exchange tube 102 to an evaporation pressure, and then the refrigerant flows into the pipeline between the electronic expansion valve 40 and the evaporator 50, and the moisture absorbent is heated by using partial energy conversion of the high-temperature refrigerant in the refrigerant circuit, so that the dehumidification function can be stably and effectively performed for a long time without increasing the total power consumption of the air conditioner.
In one embodiment of the present disclosure, referring to fig. 6, before step S201, the method further includes:
s301, collecting air humidity when the air conditioner indoor unit 100 is in air inlet and air outlet;
s302, calculating a difference value between air humidity when the air conditioner indoor unit 100 is in air inlet and air outlet;
s303, judging whether the difference value is smaller than a preset threshold value or not;
if yes, go to step S304: making the high temperature refrigerant from the compressor 20 flow into the heat exchange pipe 102 of the dehumidifier 10, and executing the step S301 again; if not, step S305 is executed: the high temperature refrigerant from the compressor 20 is prohibited from flowing into the heat exchange pipe 102 of the dehumidifying apparatus 10. Through the measurement to air humidity of air intake and air outlet, when detecting the difference and surpassing preset threshold value, show that desiccator dehumidification ability descends promptly, realize the accurate control to desiccator dehumidification ability in dehydrating unit 10.
The preset threshold may be 2%, 3%, or 5%, and the like, and the specific value is not limited. It can be understood that when the electromagnetic valve 70 is installed on the pipeline at the inlet end of the heat exchange pipe 102 of the dehumidification device 10, the step S304 is to open the electromagnetic valve 70 specifically, and the step S305 is to close the electromagnetic valve 70 specifically.
Embodiments of the present application also provide an air conditioner, which includes a dehumidification device as shown in fig. 1 or fig. 2.
Embodiments of the present application also provide an air conditioner, which includes the dehumidification capability recovery system as shown in fig. 3.
It should be noted that, for the sake of simplicity, the foregoing method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the dehumidification device and method, the dehumidification capability recovery system and method, and the air conditioner provided by the present disclosure, those skilled in the art will recognize that there are variations to the embodiments and applications of the present disclosure.
Claims (11)
1. A dehumidification device (10) is used for an air conditioner indoor unit (100) and is characterized by comprising a porous composite plate (101), wherein the porous composite plate (101) is arranged at an air inlet of the air conditioner indoor unit (100) and is fixed in the air conditioner indoor unit (100);
the porous composite board (101) comprises a porous medium board and a moisture absorbent for absorbing moisture, wherein the moisture absorbent is filled in each hole of the porous medium board.
2. A dehumidifying device (10) as claimed in claim 1, characterized in that the material of the moisture-absorbing agent is a thermally regenerable moisture-absorbing material;
the dehumidification device (10) further comprises heat exchange tubes (102), wherein the heat exchange tubes (102) are uniformly distributed in the porous composite board (101) and used for heating the moisture absorbent through high-temperature liquid when the high-temperature liquid flows through the heat exchange tubes (102).
3. A dehumidifying device (10) as claimed in claim 2, wherein the dehumidifying device (10) is disposed above an evaporator (50) of the air-conditioning indoor unit (100).
4. A dehumidification capability recovery system, characterized by comprising a refrigerant circuit and a dehumidification device (10) according to claim 2 or 3;
the refrigerant loop comprises a compressor (20), a condenser (30), an electronic expansion valve (40) and an evaporator (50), wherein the compressor (20), the condenser (30), the electronic expansion valve (40) and the evaporator (50) are sequentially connected through pipelines to form a loop;
the inlet end of a heat exchange tube (102) of the dehumidification device (10) is communicated with a pipeline between the compressor (20) and the condenser (30), and the outlet end of the heat exchange tube (102) of the dehumidification device (10) is communicated with a pipeline between the electronic expansion valve (40) and the evaporator (50).
5. Dehumidification capacity restoration system according to claim 4, further comprising a throttling device (60), wherein said throttling device (60) communicates with the outlet end of said heat exchange tube (102) at the inlet end and communicates with the conduit between said electronic expansion valve (40) and said evaporator (50) at the outlet end;
the throttling device (60) is used for throttling and depressurizing the refrigerant flowing out of the outlet end of the heat exchange tube (102) to evaporation pressure, and then the refrigerant flows into a pipeline between the electronic expansion valve (40) and the evaporator (50).
6. Dehumidification capacity recovery system according to claim 4 or 5, further comprising a solenoid valve (70), said solenoid valve (70) being arranged on the line of the inlet end of the heat exchange tube (102) of the dehumidification device (10);
the electromagnetic valve (70) is used for controlling the high-temperature refrigerant from the compressor (20) to flow into the heat exchange pipe (102) in the dehumidifying device (10).
7. An air conditioner characterized by comprising a dehumidifying apparatus according to any one of claims 1 to 3.
8. An air conditioner characterized by comprising the dehumidification capability recovery system according to any one of claims 4 to 6.
9. A dehumidifying method applied to a dehumidifying apparatus as claimed in any one of claims 1 to 3, wherein the method comprises:
when air enters from an air inlet of an air conditioner indoor unit (100), moisture in the air is absorbed by the moisture absorbent in the porous composite plate (101);
and exchanging heat for the air after absorbing the moisture by utilizing an evaporator (50) in the air conditioner indoor unit (100).
10. A dehumidification capability restoration method applied to the dehumidification capability restoration system according to any one of claims 4 to 6, the method comprising:
the high-temperature refrigerant from the compressor (20) in the heat exchange pipe (102) is used for heating the moisture absorbent in the dehumidifying device (10);
and the refrigerant flowing out of the heat exchange tube (102) is throttled and depressurized to evaporation pressure by using a throttling device (60), and then flows into a pipeline between the electronic expansion valve (40) and the evaporator (50).
11. The dehumidification capability recovery method according to claim 10, wherein before the step of heating the desiccant in the dehumidification device (10) by using the high-temperature refrigerant in the heat exchange pipe (102) from the compressor (20), the method further comprises:
collecting air humidity of an air conditioner indoor unit (100) during air inlet and air outlet;
calculating the difference value between the air humidity of the air conditioner indoor unit (100) during air inlet and air outlet;
judging whether the difference value is smaller than a preset threshold value or not;
if so, enabling the high-temperature refrigerant from the compressor (20) to flow into a heat exchange pipe (102) of the dehumidifying device (10), and executing the step of collecting the humidity of the air conditioner indoor unit (100) during air inlet and air outlet again; if not, the high-temperature refrigerant from the compressor (20) is prohibited from flowing into the heat exchange tube (102) of the dehumidifier (10).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212474A (en) * | 2020-09-14 | 2021-01-12 | 海信（山东）空调有限公司 | Dehumidifier and dehumidification control method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1598600A3 (en) * | 2004-05-21 | 2010-04-21 | LG Electronics Inc. | Air conditioning system with humidity adjusting apparatus. |
| CN101915442A (en) * | 2010-08-13 | 2010-12-15 | 李元哲 | Solid adsorption dehumidification device |
| JP2011033317A (en) * | 2009-08-05 | 2011-02-17 | Mitsubishi Electric Corp | Dehumidifying/humidifying device and air conditioner equipped with the same |
| CN202947220U (en) * | 2012-12-06 | 2013-05-22 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN104019504A (en) * | 2013-02-28 | 2014-09-03 | 李元哲 | Solid adsorption dehumidifier with air source heat pumps |
| CN204555055U (en) * | 2015-03-26 | 2015-08-12 | 广东美的制冷设备有限公司 | Humidifying air conditioner |
| CN106958888A (en) * | 2016-01-11 | 2017-07-18 | 北京索兰环益科技有限公司 | A kind of improved air source heat pump solid absorption dehumidifier |
| CN108561958A (en) * | 2018-04-13 | 2018-09-21 | 芜湖美智空调设备有限公司 | Ceiling machine |
| CN109386886A (en) * | 2014-02-21 | 2019-02-26 | 大金工业株式会社 | Air-conditioning device |
| CN109405092A (en) * | 2018-12-26 | 2019-03-01 | 珠海格力电器股份有限公司 | Air treatment unit |
| CN209295334U (en) * | 2018-07-23 | 2019-08-23 | 孙鹏 | A kind of humidifier |
| CN110736135A (en) * | 2019-10-14 | 2020-01-31 | 珠海格力电器股份有限公司 | Heat pump system with reheating and dehumidifying functions, control method and air conditioning equipment |
-
2020
- 2020-03-18 CN CN202010193251.1A patent/CN111336588A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1598600A3 (en) * | 2004-05-21 | 2010-04-21 | LG Electronics Inc. | Air conditioning system with humidity adjusting apparatus. |
| JP2011033317A (en) * | 2009-08-05 | 2011-02-17 | Mitsubishi Electric Corp | Dehumidifying/humidifying device and air conditioner equipped with the same |
| CN101915442A (en) * | 2010-08-13 | 2010-12-15 | 李元哲 | Solid adsorption dehumidification device |
| CN202947220U (en) * | 2012-12-06 | 2013-05-22 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN104019504A (en) * | 2013-02-28 | 2014-09-03 | 李元哲 | Solid adsorption dehumidifier with air source heat pumps |
| CN109386886A (en) * | 2014-02-21 | 2019-02-26 | 大金工业株式会社 | Air-conditioning device |
| CN204555055U (en) * | 2015-03-26 | 2015-08-12 | 广东美的制冷设备有限公司 | Humidifying air conditioner |
| CN106958888A (en) * | 2016-01-11 | 2017-07-18 | 北京索兰环益科技有限公司 | A kind of improved air source heat pump solid absorption dehumidifier |
| CN108561958A (en) * | 2018-04-13 | 2018-09-21 | 芜湖美智空调设备有限公司 | Ceiling machine |
| CN209295334U (en) * | 2018-07-23 | 2019-08-23 | 孙鹏 | A kind of humidifier |
| CN109405092A (en) * | 2018-12-26 | 2019-03-01 | 珠海格力电器股份有限公司 | Air treatment unit |
| CN110736135A (en) * | 2019-10-14 | 2020-01-31 | 珠海格力电器股份有限公司 | Heat pump system with reheating and dehumidifying functions, control method and air conditioning equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212474A (en) * | 2020-09-14 | 2021-01-12 | 海信（山东）空调有限公司 | Dehumidifier and dehumidification control method |
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