CN113669860A - Heat pump type fresh air integrated dehumidifier and control method and device thereof - Google Patents
Heat pump type fresh air integrated dehumidifier and control method and device thereof Download PDFInfo
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- CN113669860A CN113669860A CN202110863187.8A CN202110863187A CN113669860A CN 113669860 A CN113669860 A CN 113669860A CN 202110863187 A CN202110863187 A CN 202110863187A CN 113669860 A CN113669860 A CN 113669860A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims description 57
- 239000007788 liquid Substances 0.000 claims description 27
- 238000010257 thawing Methods 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 8
- 239000011737 fluorine Substances 0.000 claims description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor 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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/28—Arrangement or mounting of filters
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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
- 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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F2003/144—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 by dehumidification only
- F24F2003/1446—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 by dehumidification only by condensing
Abstract
The disclosure provides a heat pump type fresh air integrated dehumidifier and a control method and device thereof, and relates to the technical field of air purification. The method comprises the following steps: acquiring an indoor exhaust temperature value and an indoor exhaust humidity value or an outdoor environment temperature value; determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and a preset rule; and controlling the running state of each device in the heat pump type fresh air integrated dehumidifier system according to the running mode of the heat pump type fresh air integrated dehumidifier system. The control method of the heat pump type fresh air integrated dehumidifier can process fresh air at different environmental temperatures, heat, refrigerate, adjust the temperature and dehumidify the fresh air, and send the processed fresh air to a room, so that the fresh air can be dehumidified all the year round, the relative humidity of the air is reduced, the air temperature is adjusted, the fresh air in the room is ensured, and the load change of the room is not caused.
Description
Technical Field
The disclosure relates to the technical field of air purification, in particular to a heat pump type fresh air integrated dehumidifier and a control method and device thereof.
Background
The temperature regulation type dehumidification unit in the existing market commonly used temperature regulation mode has:
1. the electric heating is adopted to provide heat energy to heat the dehumidified air.
2. The mode that two condensers are connected in parallel is adopted, and the heating quantity of the dehumidified air is controlled by matching the heat exchange quantity of the main condenser and the auxiliary condenser, so that the temperature adjusting function is realized.
3. The temperature is adjusted by adopting a water temperature adjusting mode.
The air after being cooled is preheated by adopting the mode of connecting the two condensers in series, the link of electric heating is omitted, the COP of the product is improved, but the temperature control precision is not high due to the temperature control blind area of the existing air-cooled temperature-adjusting dehumidifying unit, and the requirement of users in actual use cannot be met.
Disclosure of Invention
The purpose of the disclosure is to overcome the defects of the prior art and provide a heat pump type fresh air integrated dehumidifier and a control method, device and system thereof.
According to a first aspect of the embodiments of the present disclosure, a control method for a heat pump type fresh air integrated dehumidifier is provided, which is applied to the heat pump type fresh air integrated dehumidifier, and the method includes:
acquiring an indoor exhaust temperature value and an indoor exhaust humidity value or an outdoor environment temperature value;
determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and a preset rule;
and controlling the running state of each device in the heat pump type fresh air integrated dehumidifier system according to the running mode of the heat pump type fresh air integrated dehumidifier system.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the indoor exhaust air temperature value is greater than the preset temperature value and the exhaust air humidity value is less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the indoor channel heat exchanger is used for cooling and dehumidifying outdoor fresh air.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the indoor exhaust air temperature value is not greater than the preset temperature value and the exhaust air humidity value is not less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is closed, the heating electromagnetic valve is opened, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the refrigerant heats and dehumidifies the outdoor fresh air through the heating coil.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the outdoor environment temperature value is lower than a preset temperature value, and the duration time of the outdoor environment temperature value lower than the preset temperature value is longer than a preset delay time, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, and operating the system in a heating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, the four-way reversing valve is controlled to be electrified, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is a condenser, the outdoor channel heat exchanger is an evaporator, and the refrigerant heats and dehumidifies outdoor fresh air through the indoor heat exchanger.
In one example, the method further comprises:
acquiring a surface temperature value of the outdoor channel heat exchanger;
judging whether the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value or not;
if the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is controlled to be a defrosting mode;
the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, the blower and the exhaust fan are controlled to be closed, the outdoor channel heat exchanger is a condenser, and the refrigerant defrosts the outdoor channel heat exchanger.
According to a second aspect of the embodiments of the present disclosure, there is provided a heat pump type fresh air integrated dehumidifier control apparatus, the apparatus including:
the first acquisition module is used for acquiring an indoor air exhaust temperature value and an indoor air exhaust humidity value or an outdoor environment temperature value;
the first determining module is used for determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor air exhaust temperature value, the indoor air exhaust humidity value or the outdoor environment temperature value and a preset rule;
and the first control module is used for controlling the running state of each device in the heat pump type fresh air integrated dehumidifier system according to the running mode of the heat pump type fresh air integrated dehumidifier system.
In one embodiment, the above apparatus further comprises:
the second acquisition module is used for acquiring the surface temperature value of the outdoor channel heat exchanger;
the judging module is used for judging whether the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value or not;
the second determination module is used for determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is controlled to be a defrosting mode when the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value;
and the second control module is used for controlling the air feeder and the exhaust fan to be closed when the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, the outdoor channel heat exchanger is a condenser, and the refrigerant defrosts the outdoor channel heat exchanger.
According to a third aspect of the embodiments of the present disclosure, there is provided a heat pump type fresh air integrated dehumidifier including:
the air conditioner comprises a shell, a fluorine system module, a heat exchange module, an outdoor heat exchanger, an indoor heat exchanger and a heating coil, wherein the fluorine system module, the heat exchange module, the outdoor heat exchanger, the indoor heat exchanger and the heating coil are arranged in the shell, and a fresh air inlet, an exhaust air outlet, an exhaust air inlet and a fresh air outlet are arranged on the wall of the shell;
a first filter screen is arranged in the casing close to the fresh air inlet, and a second filter screen is arranged in the casing close to the fluorine system module; a third filter screen is arranged in the shell close to the heat exchange module;
the fresh air inlet, the air exhaust outlet, the air exhaust inlet and the fresh air outlet are respectively provided with a corresponding fan.
In one embodiment, the heat pump type fresh air integrated dehumidifier further comprises:
the system comprises a compressor, a four-way reversing valve, a liquid path electromagnetic valve, a thermal expansion valve, a one-way valve and a heating electromagnetic valve;
one end of the compressor is connected with a first end of the four-way reversing valve, the other end of the compressor is connected with a second end of the four-way reversing valve, a third end of the four-way reversing valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the liquid path electromagnetic valve, the other end of the liquid path electromagnetic valve is connected with one end of the indoor heat exchanger, and the other end of the indoor heat exchanger is connected with a fourth end of the four-way reversing valve;
one end of the one-way valve is connected between the liquid path electromagnetic valve and the thermal expansion valve, the other end of the one-way valve is connected with one end of the heating coil, the other end of the heating coil is connected with one end of the heating electromagnetic valve, and the other end of the heating electromagnetic valve is connected between the outdoor heat exchanger and the liquid path electromagnetic valve.
In one embodiment, a first temperature and humidity sensor is disposed near the first filter screen, a second temperature and humidity sensor is disposed near the second filter screen, and a third temperature and humidity sensor is disposed near the third filter screen.
The control method of the heat pump type fresh air integrated dehumidifier can process fresh air at different environmental temperatures, heat, refrigerate, adjust the temperature and dehumidify the fresh air, and send the processed fresh air to a room, so that the fresh air can be dehumidified all the year round, the relative humidity of the air is reduced, the air temperature is adjusted, the fresh air in the room is ensured, and the load change of the room is not caused.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of a control method of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Fig. 2 is a flowchart of a control method of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Fig. 3 is an architecture diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Fig. 4 is an architecture diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Fig. 5 is a system schematic diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Fig. 6 is a system schematic diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a flowchart of a control method of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure.
As shown in fig. 1, the control method of the heat pump type fresh air integrated dehumidifier includes the following steps:
102, determining an operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and a preset rule;
103, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system according to the operation mode of the heat pump type fresh air integrated dehumidifier system.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the indoor exhaust air temperature value is greater than the preset temperature value and the exhaust air humidity value is less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the indoor channel heat exchanger is used for cooling and dehumidifying outdoor fresh air.
In the embodiment of the disclosure, the four-way valve is not electrified, the system runs in a refrigeration mode, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is an evaporator, and the outdoor channel heat exchanger is a condenser for cooling and dehumidifying outdoor fresh air only by the indoor evaporator, so that the air with low temperature and high humidity is sent to the indoor.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the indoor exhaust air temperature value of the compressor is not greater than the preset temperature value and the exhaust air humidity value is not less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is closed, the heating electromagnetic valve is opened, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the refrigerant heats and dehumidifies the outdoor fresh air through the heating coil.
In the embodiment of the disclosure, the four-way valve is not electrified, the system runs in a refrigeration mode, the liquid path electromagnetic valve is closed, the heating electromagnetic valve is opened, the outdoor channel heat exchanger is a condenser, the indoor channel heat exchanger is an evaporator, and the refrigerant passes through the heating coil, so that the air supply temperature of the air outlet is increased, the relative humidity is reduced, and the low-humidity dry and hot air is sent to the indoor space.
In one embodiment, the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and the preset rule includes:
if the outdoor environment temperature value is lower than a preset temperature value, and the duration time of the outdoor environment temperature value lower than the preset temperature value is longer than a preset delay time, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, and operating the system in a heating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, the four-way reversing valve is controlled to be electrified, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is a condenser, the outdoor channel heat exchanger is an evaporator, and the refrigerant heats and dehumidifies outdoor fresh air through the indoor heat exchanger.
In the embodiment of the disclosure, when the ambient temperature is lower than the set value and is longer than the delay set time, the heating mode operation needs to be started, although the relative humidity of the outdoor air is relatively high, but the moisture content is relatively low, and it is difficult to remove moisture in the air, but after the air is heated, the relative humidity of the air is rapidly reduced under the condition that the moisture content is basically unchanged, so that the system heating mode operation can be performed. At the moment, the four-way valve is electrified, the liquid path electromagnetic valve is opened, the system runs in a heating mode, the indoor channel heat exchanger is a condenser, the outdoor channel heat exchanger is an evaporator, the temperature of air is increased, and therefore the air with higher temperature and lower humidity is sent into a room。
Optionally, as shown in fig. 2, the method further includes:
and step 204, if the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, controlling both the blower and the exhaust fan to be closed, enabling the outdoor channel heat exchanger to be a condenser, and defrosting the outdoor channel heat exchanger by using the refrigerant.
In the embodiment of the disclosure, when the system operates in the heating mode, the outdoor heat exchanger is an evaporator, and when the surface temperature of the evaporator is lower than 0 ℃ and the relative humidity of air entering the evaporator is high, moisture in the air may frost on the outer surface of the evaporator, the heat exchange effect is poor, and defrosting is required. At the moment, the unit is operated in a refrigeration and defrosting mode, wherein the air blower and the exhaust fan are closed, the outdoor channel heat exchanger is used as a condenser, and the original operation mode is recovered after frost is rapidly melted by the entering of high-temperature refrigerant.
Fig. 3 is an architecture diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure. As shown in fig. 3, the apparatus includes: a first obtaining module 301, a first determining module 302 and a first control module 303; the first obtaining module 301 is configured to obtain an indoor exhaust air temperature value and an indoor exhaust air humidity value or an outdoor environment temperature value; the first determining module 302 is configured to determine an operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value, and a preset rule; the first control module 303 is configured to control an operation state of each device in the heat pump type fresh air integrated dehumidifier system according to an operation mode of the heat pump type fresh air integrated dehumidifier system.
Fig. 4 is an architecture diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure. As shown in fig. 4, the apparatus includes: a first obtaining module 401, a first determining module 402, a first control module 403, a second obtaining module 404, a judging module 405, and a second determining module 406; the second obtaining module 404 is configured to obtain a surface temperature value of the outdoor channel heat exchanger; the judging module 405 is configured to judge whether a surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold;
the second determining module 406 is configured to determine that the operation mode of the heat pump type fresh air integrated dehumidifier system is controlled to be the defrosting mode when the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value;
the second control module 407 is configured to control both the blower and the exhaust fan to be turned off when the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, the outdoor channel heat exchanger is a condenser, and the refrigerant defrosts the outdoor channel heat exchanger.
Fig. 5 is a system schematic diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure. As shown in fig. 5, the heat pump type fresh air integrated dehumidifier includes:
the system comprises a machine shell 501, a fluorine system module 502, a heat exchange module 503, an outdoor heat exchanger 504, an indoor heat exchanger 505 and a heating coil 506 which are arranged inside the machine shell 501, and a fresh air inlet 507, an exhaust air outlet 508, an exhaust air inlet 509 and a fresh air outlet 5010 which are arranged on the wall of the machine shell 501;
a first filter screen 5011 is arranged in the casing 501 close to the fresh air inlet 507, and a second filter screen 5012 is arranged in the casing 501 close to the fluorine system module 502; a third filter screen 5014 is arranged in the casing 501 close to the heat exchange module 503;
the fresh air inlet 507, the air exhaust outlet 508, the air exhaust inlet 509 and the fresh air outlet 5010 are respectively provided with a corresponding fan.
It should be noted that, in the embodiment of the present disclosure, the first filter screen and the second filter screen are both G4 filter screens, the third filter screen is a G7 filter screen, and the casing is a sheet metal frame.
According to the heat pump type fresh air integrated dehumidifier in the embodiment of the disclosure, the Freon system, the heat exchange core, the air filtering device and the air system are arranged in the same metal plate frame, so that the design of an external unit of the Freon system is reduced, and the design cost of the external unit is saved.
Fig. 6 is a system schematic diagram of a control device of a heat pump type fresh air integrated dehumidifier according to an embodiment of the present disclosure. As shown in fig. 6, the heat pump type fresh air integrated dehumidifier further includes:
a compressor 601, a four-way reversing valve 602, a liquid path electromagnetic valve 603, a thermal expansion valve 604, a one-way valve 605 and a heating electromagnetic valve 606;
one end of the compressor 601 is connected to a first end of the four-way reversing valve 602, the other end of the compressor 601 is connected to a second end of the four-way reversing valve 602, a third end of the four-way reversing valve 603 is connected to one end of the outdoor heat exchanger 607, the other end of the outdoor heat exchanger 607 is connected to one end of the liquid path solenoid valve 603, the other end of the liquid path solenoid valve 603 is connected to one end of an indoor heat exchanger 608, and the other end of the indoor heat exchanger 608 is connected to a fourth end of the four-way reversing valve 602;
one end of the one-way valve 605 is connected between the liquid path solenoid valve 603 and the thermostatic expansion valve 604, the other end of the one-way valve 605 is connected with one end of the heating coil 609, the other end of the heating coil 609 is connected with one end of the heating solenoid valve 606, and the other end of the heating solenoid valve 606 is connected between the outdoor heat exchanger 607 and the liquid path solenoid valve 603.
In the embodiment of the disclosure, the evaporator is used for cooling and dehumidifying fresh air, so as to realize the purpose of dehumidification and refrigeration, the condensation heat of the system is used for heating air, the heat dissipated in the air due to cooling and dehumidification is compensated, the heating coil is used for adjusting the temperature, and meanwhile, the heat exchange is used for recovering the energy of a room, so that the temperature of outdoor air is reduced, and the energy loss is reduced.
In one embodiment, a first temperature and humidity sensor is disposed near the first filter screen, a second temperature and humidity sensor is disposed near the second filter screen, and a third temperature and humidity sensor is disposed near the third filter screen.
It should be noted that, in the embodiment of the present disclosure, a control module is further disposed in the casing of the heat pump type fresh air integrated dehumidifier.
The control method of the heat pump type fresh air integrated dehumidifier can process fresh air at different environmental temperatures, heat, refrigerate, adjust the temperature and dehumidify the fresh air, and send the processed fresh air to a room, so that the fresh air can be dehumidified all the year round, the relative humidity of the air is reduced, the air temperature is adjusted, the fresh air in the room is ensured, and the load change of the room is not caused.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A control method of a heat pump type fresh air integrated dehumidifier is characterized by being applied to the heat pump type fresh air integrated dehumidifier, and comprises the following steps:
acquiring an indoor exhaust temperature value and an indoor exhaust humidity value or an outdoor environment temperature value;
determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust temperature value, the indoor exhaust humidity value or the outdoor environment temperature value and a preset rule;
and controlling the running state of each device in the heat pump type fresh air integrated dehumidifier system according to the running mode of the heat pump type fresh air integrated dehumidifier system.
2. The method of claim 1, wherein the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust air temperature value, the indoor exhaust air humidity value or the outdoor environment temperature value and the preset rule comprises:
if the indoor exhaust temperature value is greater than the preset temperature value and the indoor exhaust humidity value is less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a cooling and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the indoor channel heat exchanger is used for cooling and dehumidifying outdoor fresh air.
3. The method of claim 1, wherein the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust air temperature value, the indoor exhaust air humidity value or the outdoor environment temperature value and the preset rule comprises:
if the indoor exhaust temperature value is not greater than the preset temperature value and the indoor exhaust humidity value is not less than the preset humidity value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, and operating the system in a refrigerating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating and dehumidifying mode, the four-way reversing valve is controlled to be powered off, the liquid path electromagnetic valve is closed, the heating electromagnetic valve is opened, the indoor channel heat exchanger is an evaporator, the outdoor channel heat exchanger is a condenser, and the refrigerant heats and dehumidifies the outdoor fresh air through the heating coil.
4. The method of claim 1, wherein the determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor exhaust air temperature value, the indoor exhaust air humidity value or the outdoor environment temperature value and the preset rule comprises:
if the outdoor environment temperature value is lower than a preset temperature value, and the duration time of the outdoor environment temperature value lower than the preset temperature value is longer than a preset delay time, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, and operating the system in a heating mode;
according to the operation mode of the heat pump type fresh air integrated dehumidifier system, controlling the operation state of each device in the heat pump type fresh air integrated dehumidifier system comprises the following steps:
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a heating mode, the four-way reversing valve is controlled to be electrified, the liquid path electromagnetic valve is opened, the heating electromagnetic valve is closed, the indoor channel heat exchanger is a condenser, the outdoor channel heat exchanger is an evaporator, and the refrigerant heats and dehumidifies outdoor fresh air through the indoor heat exchanger.
5. The method of claim 4, further comprising:
acquiring a surface temperature value of the outdoor channel heat exchanger;
judging whether the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value or not;
if the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value, determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is controlled to be a defrosting mode;
if the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, the blower and the exhaust fan are controlled to be closed, the outdoor channel heat exchanger is a condenser, and the refrigerant defrosts the outdoor channel heat exchanger.
6. The utility model provides an integrative dehumidifier controlling means of heat pump type new trend which characterized in that, the device includes:
the first acquisition module is used for acquiring an indoor air exhaust temperature value and an indoor air exhaust humidity value or an outdoor environment temperature value;
the first determining module is used for determining the operation mode of the heat pump type fresh air integrated dehumidifier system according to the indoor air exhaust temperature value, the outdoor air exhaust humidity value or the outdoor environment temperature value and a preset rule;
and the first control module is used for controlling the running state of each device in the heat pump type fresh air integrated dehumidifier system according to the running mode of the heat pump type fresh air integrated dehumidifier system.
7. The apparatus of claim 6, further comprising:
the second acquisition module is used for acquiring the surface temperature value of the outdoor channel heat exchanger;
the judging module is used for judging whether the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value or not;
the second determination module is used for determining that the operation mode of the heat pump type fresh air integrated dehumidifier system is controlled to be a defrosting mode when the surface temperature value of the outdoor channel heat exchanger is lower than a preset threshold value;
and the second control module is used for controlling the air feeder and the exhaust fan to be closed when the operation mode of the heat pump type fresh air integrated dehumidifier system is a defrosting mode, the outdoor channel heat exchanger is a condenser, and the refrigerant defrosts the outdoor channel heat exchanger.
8. The utility model provides an integrative dehumidifier of heat pump type new trend which characterized in that, the integrative dehumidifier of heat pump type new trend includes:
the air conditioner comprises a shell, a fluorine system module, a heat exchange module, an outdoor heat exchanger, an indoor heat exchanger and a heating coil, wherein the fluorine system module, the heat exchange module, the outdoor heat exchanger, the indoor heat exchanger and the heating coil are arranged in the shell, and a fresh air inlet, an exhaust air outlet, an exhaust air inlet and a fresh air outlet are arranged on the wall of the shell;
a first filter screen is arranged in the casing close to the fresh air inlet, and a second filter screen is arranged in the casing close to the fluorine system module; a third filter screen is arranged in the shell close to the heat exchange module;
the fresh air inlet, the air exhaust outlet, the air exhaust inlet and the fresh air outlet are respectively provided with a corresponding fan.
9. A heat pump type fresh air integrated dehumidifier according to claim 8, wherein said heat pump type fresh air integrated dehumidifier further comprises:
the system comprises a compressor, a four-way reversing valve, a liquid path electromagnetic valve, a thermal expansion valve, a one-way valve and a heating electromagnetic valve;
one end of the compressor is connected with a first end of the four-way reversing valve, the other end of the compressor is connected with a second end of the four-way reversing valve, a third end of the four-way reversing valve is connected with one end of the outdoor heat exchanger, the other end of the outdoor heat exchanger is connected with one end of the liquid path electromagnetic valve, the other end of the liquid path electromagnetic valve is connected with one end of the indoor heat exchanger, and the other end of the indoor heat exchanger is connected with a fourth end of the four-way reversing valve;
one end of the one-way valve is connected between the liquid path electromagnetic valve and the thermal expansion valve, the other end of the one-way valve is connected with one end of the heating coil, the other end of the heating coil is connected with one end of the heating electromagnetic valve, and the other end of the heating electromagnetic valve is connected between the outdoor heat exchanger and the liquid path electromagnetic valve.
10. A heat pump type fresh air integrated dehumidifier according to claim 8,
a first temperature and humidity sensor is arranged at a position close to the first filter screen, a second temperature and humidity sensor is arranged at a position close to the second filter screen, and a third temperature and humidity sensor is arranged at a position close to the third filter screen.
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| CN202110863187.8A CN113669860A (en) | 2021-07-29 | 2021-07-29 | Heat pump type fresh air integrated dehumidifier and control method and device thereof |
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| CN114110981A (en) * | 2021-11-24 | 2022-03-01 | 广东美的制冷设备有限公司 | Fresh air equipment control method and device, fresh air equipment and storage medium |
| WO2023093261A1 (en) * | 2021-11-24 | 2023-06-01 | 广东美的制冷设备有限公司 | Fresh air equipment control method and apparatus, fresh air equipment, and storage medium |
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