CN111043676A - Fresh air dehumidification air conditioner and fresh air dehumidification method - Google Patents
Fresh air dehumidification air conditioner and fresh air dehumidification method Download PDFInfo
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- CN111043676A CN111043676A CN201911325022.4A CN201911325022A CN111043676A CN 111043676 A CN111043676 A CN 111043676A CN 201911325022 A CN201911325022 A CN 201911325022A CN 111043676 A CN111043676 A CN 111043676A
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- evaporator
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 13
- 230000001276 controlling effect Effects 0.000 description 15
- 238000004378 air conditioning Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- 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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/029—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by the layout or mutual arrangement of components, e.g. of compressors or fans
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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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
- F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/0358—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with dehumidification means
-
- 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
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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
- F24F2110/10—Temperature
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a fresh air dehumidifying air conditioner which comprises a cooling dehumidifying system formed by a compressor, a main condenser, a first throttling device, a first evaporator, a second evaporator and a circulating flow path between the dehumidifying evaporators, a constant temperature dehumidifying system formed by the compressor, the main condenser, the first evaporator, the second throttling device, the circulating flow path between the second evaporator and the dehumidifying evaporator, and a control valve pipeline system arranged on the cooling dehumidifying system and the constant temperature dehumidifying system. The fresh air dehumidifying air conditioner provided by the invention can effectively control the indoor environment temperature while dehumidifying only under the condition that 1 compressor 1 operates, the indoor temperature can be kept unchanged for dehumidifying, the constant temperature dehumidifying effect is achieved, the constant temperature dehumidifying can be rapidly carried out for cooling and dehumidifying, and even the purpose of deep dehumidifying can be achieved; the control operation is simple, the cost is low, and the user experience effect is effectively improved; also provides a fresh air dehumidification method realized by using the fresh air dehumidification air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a fresh air dehumidifying air conditioner and a fresh air dehumidifying method realized by the fresh air dehumidifying air conditioner.
Background
The traditional wall-penetrating air conditioner has the fresh air exchanging function but does not have the fresh air dehumidifying function.
Patent publication No. US20170115014A1 provides an air conditioning unit with a separate dehumidification system, which can dehumidify fresh air under the condition that the indoor environment temperature is unchanged, but the air conditioning unit simultaneously uses 2 compressors, and is high in cost and complex to control.
In addition, some air conditioning units which use 1 compressor to realize the function of fresh air dehumidification are introduced in the market, and the air conditioning units have the defects that when fresh air dehumidification is carried out, the indoor temperature cannot be kept stable, the fluctuation is large, the comfort of the indoor environment is poor, and the fresh air can not be dehumidified by the air conditioning units with the independent dehumidification systems provided by the patent document with the patent publication number of US20170115014A1 under the condition that the indoor constant temperature is unchanged.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a fresh air dehumidifying air conditioner which can effectively control the indoor environment temperature while dehumidifying, can maintain the indoor temperature for constant dehumidification to achieve the effect of constant temperature dehumidification, can quickly cool and dehumidify constant temperature dehumidification, and even can achieve the purpose of deep dehumidification; the control operation is simple, the cost is low, and the user experience effect is effectively improved; also provides a fresh air dehumidification method realized by the fresh air dehumidification air conditioner.
In order to achieve the purpose, the invention adopts the following scheme:
a fresh air dehumidifying air conditioner comprises a compressor, a main condenser, a first throttling device, a first evaporator, a second throttling device, a second evaporator, a dehumidifying evaporator and a control valve pipeline system;
a circulating flow path among the compressor, the main condenser, the first throttling device, the first evaporator, the second evaporator and the dehumidifying evaporator forms a cooling and dehumidifying system;
a circulating flow path among the compressor, the main condenser, the first evaporator, the second throttling device, the second evaporator and the dehumidifying evaporator forms a constant-temperature dehumidifying system;
a circulation flow path among the compressor, the main condenser, the first evaporator, the second evaporator and the dehumidifying evaporator forms a deep dehumidifying system;
the control valve pipeline system is arranged on the cooling dehumidification system, the constant temperature dehumidification system and the deep dehumidification system and is used for controlling the operation or stop of the cooling dehumidification system, the constant temperature dehumidification system and the deep dehumidification system.
Further, the control valve piping system includes:
the first control valve is communicated with a pipeline between the main condenser and the first throttling device;
a first pipeline, one end of which is communicated with the pipeline between the main condenser and the first control valve; the other end of the first evaporator is communicated with a pipeline between the first throttling device and the first evaporator;
the second control valve is communicated with the first pipeline;
the third control valve is communicated with a pipeline between the first evaporator and the second throttling device;
a second pipe having one end communicating with a pipe between the first evaporator and a third control valve; the other end of the first throttling device is communicated with a pipeline between the first evaporator and the first throttling device;
and the fourth control valve is communicated with the second pipeline.
Further, the fresh air dehumidifying air conditioner further comprises:
a chassis; the compressor, the main condenser, the first throttling device, the first evaporator, the second throttling device, the second evaporator, the dehumidification evaporator and the control valve pipeline system are all positioned on the chassis;
the dehumidification fan is arranged on the chassis and is positioned in front of an air inlet of the dehumidification evaporator;
a middle partition plate positioned on the base pan and at one side of the dehumidifying evaporator;
the volute is arranged on the chassis and is positioned on one side of the middle partition plate;
the air door is communicated with the air inlet of the dehumidification evaporator and communicated with the interior of the volute through the middle partition plate;
the air door motor is arranged on the air door;
and the indoor fan blade is positioned in the volute.
Further, the main condenser is positioned on one side of the chassis; the compressor is positioned at the rear end of the main condenser; the second evaporator is positioned at the other side of the chassis; the first throttling device, the first evaporator, the second throttling device, the dehumidifying evaporator, the dehumidifying fan, the control valve pipeline system, the middle partition plate, the volute, the air door motor and the indoor fan blade are all located between the main condenser and the second evaporator.
Furthermore, a dehumidifying filter screen is arranged on an air inlet of the dehumidifying evaporator.
Further, the first throttling device and the second throttling device are throttle valves or electronic expansion valves.
Further, one or more of the first control valve, the second control valve, the third control valve, and the fourth control valve may be solenoid valves.
The invention also provides a fresh air dehumidification method, which is realized by using the fresh air dehumidification air conditioner and a temperature sensor which is positioned on the fresh air dehumidification air conditioner and is used for detecting the indoor environment temperature in real time, and comprises the following specific steps:
s1, acquiring indoor environment temperature T in real time;
and S2, judging the indoor environment temperature T according to the set minimum preset value T1 and the maximum preset value T2 of the indoor environment temperature and the indoor environment temperature T, and controlling the control valve pipeline system to determine one of a cooling dehumidification mode, a constant temperature dehumidification mode and a deep dehumidification mode to operate.
Further, the step S2 is specifically as follows:
s21, if T is more than or equal to T1 and less than or equal to T2, determining the operation of a cooling and dehumidifying mode;
the cooling and dehumidifying mode is as follows:
controlling the first control valve and the fourth control valve to be opened, the second control valve and the third control valve to be closed, and controlling the cooling and dehumidifying system to operate;
s22, if T is less than T1, determining the constant-temperature dehumidification mode to operate;
the constant temperature dehumidification mode is as follows:
controlling the second control valve and the third control valve to be opened, closing the first control valve and the fourth control valve, and operating the constant-temperature dehumidification system;
s23, if T is larger than T2, determining the deep dehumidification mode to operate;
the deep dehumidification mode is as follows:
and controlling the first control valve and the third control valve to be opened, the second control valve and the fourth control valve to be closed, and operating the deep dehumidification system.
Compared with the prior art, the invention has the following advantages:
the fresh air dehumidifying air conditioner forms a cooling dehumidifying system through a circulating flow path among a compressor, a main condenser, a first throttling device, a first evaporator, a second evaporator and a dehumidifying evaporator; a constant-temperature dehumidification system is formed by a circulating flow path among the compressor, the main condenser, the first evaporator, the second throttling device, the second evaporator and the dehumidification evaporator; only 1 compressor is needed, and under the control of a control valve pipeline system, the switching operation of a cooling dehumidification system and a constant temperature dehumidification system can be realized, so that the fresh air dehumidification air conditioner can effectively control the indoor environment temperature while dehumidifying fresh air, the indoor temperature can be kept unchanged for dehumidification, the constant temperature dehumidification effect is achieved, the constant temperature dehumidification can be rapidly carried out for cooling and dehumidification, and the indoor environment temperature can be rapidly cooled and dehumidified to achieve the purpose of deep dehumidification; the control operation is simple, the cost is low, and the user experience effect is effectively improved.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a schematic structural diagram of a fresh air dehumidifying air conditioner of the present invention.
Fig. 2 is a perspective view of the fresh air dehumidifying air conditioner of the present invention.
Fig. 3 is a partial perspective view of the fresh air dehumidifying air conditioner of the present invention.
FIG. 4 is a flow chart of a fresh air dehumidification method of the present invention.
Fig. 5 is a detailed flowchart of the fresh air dehumidifying method of the present invention at step S2.
The figure includes:
the dehumidifying air-conditioning system comprises a compressor 1, a main condenser 2, a condensation main body 21, a heat exchange pipe 22, a first throttling device 3, a first evaporator 4, a second throttling device 5, a second evaporator 6, a dehumidifying evaporator 7, a control valve pipeline system 8, a first control valve 81, a second control valve 82, a third control valve 83, a fourth control valve 84, a first pipeline 85, a second pipeline 86, a chassis 9, a dehumidifying air blower 10, an intermediate partition plate 11, a volute 12, an air door 13, an air door motor 14, indoor fan blades 15 and a dehumidifying filter screen 16.
Detailed Description
The present application is further described in conjunction with the following examples.
As shown in fig. 1 to 3, a fresh air dehumidifying air conditioner comprises a compressor 1, a main condenser 2, a first throttling device 3, a first evaporator 4, a second throttling device 5, a second evaporator 6, a dehumidifying evaporator 7 and a control valve pipeline system 8; a circulating flow path among the compressor 1, the main condenser 2, the first throttling device 3, the first evaporator 4, the second evaporator 6 and the dehumidifying evaporator 7 forms a cooling and dehumidifying system; a circulating flow path among the compressor 1, the main condenser 2, the first evaporator 4, the second throttling device 5, the second evaporator 6 and the dehumidifying evaporator 7 forms a constant-temperature dehumidifying system; a circulation flow path among the compressor 1, the main condenser 2, the first evaporator 4, the second evaporator 6 and the dehumidifying evaporator 7 forms a deep dehumidifying system; and the control valve pipeline system 8 is arranged on the cooling dehumidification system, the constant-temperature dehumidification system and the deep dehumidification system and is used for controlling the operation or stop of the cooling dehumidification system, the constant-temperature dehumidification system and the deep dehumidification system. Specifically, pipelines are communicated between the exhaust port of the compressor 1 and the inlet of the main condenser 2, between the outlet of the main condenser 2 and the inlet of the first throttling device 3, between the outlet of the first throttling device 3 and the inlet of the first evaporator 4, between the outlet of the first evaporator 4 and the inlet of the second throttling device 5, between the outlet of the second throttling device 5 and the inlet of the second evaporator 6, between the outlet of the second evaporator 6 and the inlet of the dehumidifying evaporator 7, and between the outlet of the dehumidifying evaporator 7 and the air suction port of the compressor 1.
The fresh air dehumidifying air conditioner forms a cooling dehumidifying system through a circulating flow path among a compressor 1, a main condenser 2, a first throttling device 3, a first evaporator 4, a second evaporator 6 and a dehumidifying evaporator 7; a constant temperature dehumidification system is formed by a circulation flow path among the compressor 1, the main condenser 2, the first evaporator 4, the second throttling device 5, the second evaporator 6 and the dehumidification evaporator 7; a deep dehumidification system is formed by a circulation flow path among the compressor 1, the main condenser 2, the first evaporator 4, the second evaporator 6 and the dehumidification evaporator 7; only 1 compressor 1 is needed, and under the control of the control valve pipeline system 8, the switching operation of a cooling dehumidification system, a constant temperature dehumidification system and a deep dehumidification system can be realized, so that the fresh air dehumidification air conditioner can effectively control the indoor environment temperature while dehumidifying fresh air, the indoor temperature can be kept unchanged for dehumidification, the constant temperature dehumidification effect is achieved, the constant temperature dehumidification can be rapidly carried out for cooling and dehumidification, and even the purpose of deep dehumidification can be achieved; the control operation is simple, the cost is low, and the user experience effect is effectively improved.
The control valve piping system 8 includes a first control valve 81, a second control valve 82, a third control valve 83, a fourth control valve 84, a first piping 85, and a second piping 86. Wherein the first control valve 81 is communicated with a pipeline between the main condenser 2 and the first throttling device 3; one end of a first line 85 communicates with the line between the main condenser 2 and the first control valve 81; the other end is communicated with a pipeline between the first throttling device 3 and the first evaporator 4; the second control valve 82 is communicated with the first pipeline 85; the third control valve 83 is communicated with a pipeline between the first evaporator 4 and the second throttling device 5; one end of the second line 86 communicates with the line between the first evaporator 4 and the third control valve 83; the other end is communicated with a pipeline between the second throttling device 5 and the second evaporator 6; the fourth control valve 84 communicates with the second line 86. By controlling the on-off of the first control valve 81, the second control valve 82, the third control valve 83 and the fourth control valve 84, the switching operation of a cooling dehumidification system, a constant temperature dehumidification system and a deep dehumidification system can be realized only under the condition that 1 compressor 1 operates, so that the fresh air dehumidification air conditioner can effectively control the indoor environment temperature while dehumidifying fresh air, the indoor temperature can be kept constant for dehumidification, the constant temperature dehumidification effect is achieved, the constant temperature dehumidification can be rapidly carried out, and even the purpose of deep dehumidification can be achieved; the control operation is simple, the cost is low, and the user experience effect is effectively improved.
When the cooling and dehumidifying system operates: controlling the first control valve 81 and the fourth control valve 84 to be opened, the second control valve 82 and the third control valve 83 to be closed, and operating the cooling and dehumidifying system; the indoor air passes through the first evaporator 4 and then passes through the second evaporator 6, and the first evaporator 4 is used as an evaporator, so that the indoor temperature is lowered while dehumidification is performed.
When the constant temperature dehumidification system is operated: controlling the second control valve 82 and the third control valve 83 to be opened, the first control valve 81 and the fourth control valve 84 to be closed, and operating the constant temperature dehumidification system; the indoor air is cooled by the first evaporator 4 and heated by the second evaporator 6, and the first evaporator 4 is used as a condenser, so that the indoor temperature can be maintained while dehumidifying.
When the deep dehumidification system is in operation: controlling the first control valve 81 and the third control valve 83 to be opened, the second control valve 82 and the fourth control valve 84 to be closed, and operating the deep dehumidification system; the indoor air is cooled by the first evaporator 4 and cooled by the second evaporator 6, and the first throttling device 3 and the second throttling device 5 are arranged in front of the first evaporator 4 and the second evaporator 6 respectively, so that the temperature of the evaporators is lower, the indoor air can be rapidly dehumidified and cooled, and the deep dehumidification purpose is realized.
Preferably, one or more of the first control valve 81, the second control valve 82, the third control valve 83, and the fourth control valve 84 are solenoid valves. If the first control valve 81, the second control valve 82, the third control valve 83 and the fourth control valve 84 all adopt electromagnetic valves as control valves, the operation or the stop of the fresh air refrigeration system and the dehumidification system are automatically controlled, and the device is high in precision and strong in flexibility.
The first and second pipes 85, 86 are both copper pipes. The first pipeline 85 and the second pipeline 86 are made of copper materials, so that the first pipeline 85 and the second pipeline 86 have good strength and hardness, are strong in durability and are not easy to break and damage, and the service life of the first pipeline 85 and the service life of the second pipeline 86 are prolonged.
In the present embodiment, the first throttle 3 and the second throttle 5 are throttles. When the cooling dehumidification system and the constant temperature dehumidification system operate, the corresponding throttle valve is opened through the control valve pipeline system 8, the control of the refrigerant flow is realized, and the throttling function is good. In another embodiment, the first throttle 3 and the second throttle 5 are electronic expansion valves. The electronic expansion valves are used as the first throttling device 3 and the second throttling device 5, and the electronic expansion valves control the voltage or current applied to the expansion valves by utilizing the electric signals generated by the regulated parameters, so that the aim of regulating the liquid supply amount is fulfilled.
In this embodiment, the fresh air dehumidifying air conditioner further includes a chassis 9, a dehumidifying fan 10, a middle partition plate 11, a volute 12, a damper 13, a damper motor 14, and indoor fan blades 15. The compressor 1, the main condenser 2, the first throttling device 3, the first evaporator 4, the second throttling device 5, the second evaporator 6, the dehumidifying evaporator 7 and the control valve pipeline system 8 are all positioned on the chassis 9; the dehumidification fan 10 is arranged on the chassis 9 and is positioned in front of an air inlet of the dehumidification evaporator 7; the middle partition 11 is positioned on the chassis 9 and is positioned at one side of the dehumidification evaporator 7; the volute 12 is arranged on the chassis 9 and is positioned on one side of the middle partition plate 11; the air door 13 is communicated with an air inlet of the dehumidification evaporator 7 and communicated with the interior of the volute 12 through the middle partition plate 11; the air door motor 14 is arranged on the air door 13; the indoor fan blades 15 are positioned in the volute 12. When the system is in operation, humid air in the indoor environment rapidly enters the dehumidifying evaporator 7 from the air inlet of the dehumidifying evaporator 7 under the action of the dehumidifying fan 10, heat exchange is carried out between the humid air and the dehumidifying evaporator 7, as the surface temperature of the dehumidifying evaporator 7 is lower than the dew-point temperature of the air, the moisture in the air can be condensed into small water drops, and finally the condensed small water drops are discharged out of the chassis 9 through the drainage system; the dehumidified and dried air enters the interior of the volute 12 through the air door 13 and the middle partition plate 11 under the action of the air door motor 14, and is discharged back to the indoor environment under the action of the indoor fan blades 15, so that the purposes of cooling and dehumidification, constant-temperature dehumidification and deep dehumidification are achieved.
Preferably, a dehumidification filter screen 16 is arranged on an air inlet of the dehumidification evaporator 7. Through setting up dehumidification filter screen 16, can prevent that dust debris etc. from getting into dehumidification evaporimeter 7, influencing this new trend dehumidification air conditioner's dehumidification work.
Wherein the main condenser 2 is positioned at one side of the chassis 9; the compressor 1 is positioned at the rear end of the main condenser 2; the second evaporator 6 is positioned at the other side of the chassis 9; the first throttling device 3, the first evaporator 4, the second throttling device 5, the dehumidifying evaporator 7, the dehumidifying fan 10, the control valve pipeline system 8, the middle partition plate 11, the volute 12, the air door 13, the air door motor 14 and the indoor fan blade 15 are all located between the main condenser 2 and the second evaporator 6. Because the structural volumes of the main condenser 2, the compressor 1 and the second evaporator 6 are larger, the positions of the main condenser 2, the compressor 1 and the second evaporator 6 are set firstly, and then the first throttling device 3, the first evaporator 4, the second throttling device 5, the dehumidifying evaporator 7, the dehumidifying fan 10, the control valve pipeline system 8, the middle partition plate 11, the volute 12, the air door 13, the air door motor 14 and the indoor fan blade 15 are arranged between the main condenser 2 and the second evaporator 6, so that the whole structure of the fresh air dehumidifying air conditioner is compact, the whole fresh air dehumidifying air conditioner is prevented from being overlarge, the unit area utilization rate of a chassis is improved, and the cost is reduced.
The main condenser 2 includes a condensing body 21 and heat exchange tubes 22, the heat exchange tubes 22 having a plurality of tubes; the plurality of heat exchange tubes 22 penetrate through the front end and the rear end of the condensation main body 21 and are distributed from the upper end to the lower end of the condensation main body 21 in an arrangement manner, and are connected from top to bottom to form a communication pipeline. Through setting up many heat exchange tubes 22 on condensation main part 21 with such range distribution mode, make the refrigerant can take place the heat exchange fast, help realizing cooling dehumidification system, constant temperature dehumidification system, degree of depth dehumidification system's switching operation, make this new trend dehumidification air conditioner can control indoor ambient temperature effectively when dehumidifying the new trend, effectively promote user experience effect.
The invention also provides a fresh air dehumidification method, as shown in fig. 4 and 5, which is implemented by using the fresh air dehumidification air conditioner and a temperature sensor which is positioned on the fresh air dehumidification air conditioner and is used for detecting the indoor environment temperature in real time, and comprises the following specific steps:
s1, acquiring indoor environment temperature T in real time;
and S2, judging the indoor environment temperature T according to the set minimum preset value T1 and the maximum preset value T2 of the indoor environment temperature and the indoor environment temperature T, and controlling the control valve pipeline system 8 to determine one of a cooling dehumidification mode, a constant temperature dehumidification mode and a deep dehumidification mode to operate.
Specifically, the step S2 is as follows:
s21, if T is more than or equal to T1 and less than or equal to T2, determining the operation of a cooling and dehumidifying mode;
the cooling and dehumidifying mode is as follows:
controlling the first control valve 81 and the fourth control valve 84 to be opened, the second control valve 82 and the third control valve 83 to be closed, and operating the cooling and dehumidifying system;
s22, if T is less than T1, determining the constant-temperature dehumidification mode to operate;
the constant temperature dehumidification mode is as follows:
controlling the second control valve 82 and the third control valve 83 to be opened, the first control valve 81 and the fourth control valve 84 to be closed, and operating the constant temperature dehumidification system;
s23, if T is larger than T2, determining the deep dehumidification mode to operate;
the deep dehumidification mode is as follows:
and controlling the first control valve 81 and the third control valve 83 to be opened, the second control valve 82 and the fourth control valve 84 to be closed, and operating the deep dehumidification system.
When T is more than or equal to T1 and less than or equal to T2, the cooling and dehumidifying system operates: the refrigerant is discharged from the air outlet of the compressor 1, enters the main condenser 2, then enters the first evaporator 4 through the first control valve 81 and the first throttling device 3, then enters the second evaporator 6 through the second pipeline 86 and the fourth control valve 84, and finally enters the liquid storage tank of the compressor 1 through the dehumidifying evaporator 7, so that the circulation of the cooling and dehumidifying system is completed.
When T is less than T1, the constant temperature dehumidification system operates: the refrigerant is discharged from the air outlet of the compressor 1, enters the main condenser 2, then enters the first evaporator 4 through the first pipeline 85 and the second control valve 82, then enters the second evaporator 6 through the third control valve 83 and the second throttling device 5, and finally enters the liquid storage tank of the compressor 1 through the dehumidifying evaporator 7, so as to complete the circulation of the constant temperature dehumidifying system.
When T is more than T2, the deep dehumidification system operates, the refrigerant is discharged from the air outlet of the compressor 1, enters the main condenser 2, then enters the first evaporator 4 through the first control valve 81 and the first throttling device 3, then enters the second evaporator 6 through the third control valve 83 and the second throttling device 5, and finally enters the liquid storage tank of the compressor 1 through the dehumidification evaporator 7, and the circulation of the deep dehumidification system is completed.
By the fresh air dehumidification method, switching operation of the cooling dehumidification system, the constant temperature dehumidification system and the deep dehumidification system can be realized only under the condition that 1 compressor 1 operates, so that the fresh air dehumidification air conditioner can effectively control indoor environment temperature while dehumidifying fresh air, the indoor temperature can be kept unchanged for dehumidification, the effect of constant temperature dehumidification is achieved, constant temperature dehumidification can be rapidly carried out for cooling and dehumidification, and even the purpose of deep dehumidification can be achieved; the control operation is simple, the cost is low, and the user experience effect is effectively improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. A fresh air dehumidifying air conditioner is characterized by comprising a compressor, a main condenser, a first throttling device, a first evaporator, a second throttling device, a second evaporator, a dehumidifying evaporator and a control valve pipeline system;
a circulating flow path among the compressor, the main condenser, the first throttling device, the first evaporator, the second evaporator and the dehumidifying evaporator forms a cooling and dehumidifying system;
a circulating flow path among the compressor, the main condenser, the first evaporator, the second throttling device, the second evaporator and the dehumidifying evaporator forms a constant-temperature dehumidifying system;
and the control valve pipeline system is arranged on the cooling dehumidification system and the constant temperature dehumidification system and is used for controlling the operation or stop of the cooling dehumidification system and the constant temperature dehumidification system.
2. The fresh air dehumidifying air conditioner according to claim 1, wherein the control valve piping system comprises:
the first control valve is communicated with a pipeline between the main condenser and the first throttling device;
a first pipeline, one end of which is communicated with the pipeline between the main condenser and the first control valve; the other end of the first evaporator is communicated with a pipeline between the first throttling device and the first evaporator;
the second control valve is communicated with the first pipeline;
the third control valve is communicated with a pipeline between the first evaporator and the second throttling device;
a second pipe having one end communicating with a pipe between the first evaporator and a third control valve; the other end of the first throttling device is communicated with a pipeline between the first evaporator and the first throttling device;
and the fourth control valve is communicated with the second pipeline.
3. The fresh air dehumidifying air conditioner according to claim 2, wherein a circulation flow path among the compressor, the main condenser, the first evaporator, the second evaporator and the dehumidifying evaporator forms a deep dehumidifying system; the control valve pipeline system is further arranged on the deep dehumidification system and is used for controlling the operation or stop of the deep dehumidification system.
4. The fresh air dehumidifying air conditioner according to claim 1, further comprising:
a chassis; the compressor, the main condenser, the first throttling device, the first evaporator, the second throttling device, the second evaporator, the dehumidification evaporator and the control valve pipeline system are all positioned on the chassis;
the dehumidification fan is arranged on the chassis and is positioned in front of an air inlet of the dehumidification evaporator;
a middle partition plate positioned on the base pan and at one side of the dehumidifying evaporator;
the volute is arranged on the chassis and is positioned on one side of the middle partition plate;
the air door is communicated with the air inlet of the dehumidification evaporator and communicated with the interior of the volute through the middle partition plate;
the air door motor is arranged on the air door;
and the indoor fan blade is positioned in the volute.
5. The fresh air dehumidifying air conditioner according to claim 4, wherein the main condenser is located at one side of the base pan; the compressor is positioned at the rear end of the main condenser; the second evaporator is positioned at the other side of the chassis; the first throttling device, the first evaporator, the second throttling device, the dehumidifying evaporator, the dehumidifying fan, the control valve pipeline system, the middle partition plate, the volute, the air door motor and the indoor fan blade are all located between the main condenser and the second evaporator.
6. The fresh air dehumidifying air conditioner according to claim 4, wherein a dehumidifying filter screen is provided on an air inlet of the dehumidifying evaporator.
7. The fresh air dehumidifying air conditioner according to claim 1, wherein the first throttling device and the second throttling device are throttle valves or electronic expansion valves.
8. The fresh air dehumidifying air conditioner according to claim 2, wherein one or more of the first control valve, the second control valve, the third control valve and the fourth control valve are solenoid valves.
9. A fresh air dehumidification method is characterized by being realized by using the fresh air dehumidification air conditioner and a temperature sensor which is arranged on the fresh air dehumidification air conditioner and is used for detecting the indoor environment temperature in real time, and comprises the following specific steps:
s1, acquiring indoor environment temperature T in real time;
and S2, judging the indoor environment temperature T according to the set minimum preset value T1 and the maximum preset value T2 of the indoor environment temperature and the indoor environment temperature T, and controlling the control valve pipeline system to determine one of a cooling dehumidification mode, a constant temperature dehumidification mode and a deep dehumidification mode to operate.
10. The fresh air dehumidifying method according to claim 9, wherein the step S2 is as follows:
s21, if T is more than or equal to T1 and less than or equal to T2, determining the operation of a cooling and dehumidifying mode;
the cooling and dehumidifying mode is as follows:
controlling the first control valve and the fourth control valve to be opened, the second control valve and the third control valve to be closed, and controlling the cooling and dehumidifying system to operate;
s22, if T is less than T1, determining the constant-temperature dehumidification mode to operate;
the constant temperature dehumidification mode is as follows:
controlling the second control valve and the third control valve to be opened, closing the first control valve and the fourth control valve, and operating the constant-temperature dehumidification system;
s23, if T is larger than T2, determining the deep dehumidification mode to operate;
the deep dehumidification mode is as follows:
and controlling the first control valve and the third control valve to be opened, the second control valve and the fourth control valve to be closed, and operating the deep dehumidification system.
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