CN114777224A - Coupling energy-saving dehumidification unit and control method thereof - Google Patents
Coupling energy-saving dehumidification unit and control method thereof Download PDFInfo
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- CN114777224A CN114777224A CN202210465940.2A CN202210465940A CN114777224A CN 114777224 A CN114777224 A CN 114777224A CN 202210465940 A CN202210465940 A CN 202210465940A CN 114777224 A CN114777224 A CN 114777224A
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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
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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
- F24F11/64—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
- F24F11/80—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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
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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
- 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
- F24F8/108—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 using dry filter elements
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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
- F24F2003/1458—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 using regenerators
- F24F2003/1464—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 using regenerators using rotating regenerators
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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
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
Abstract
The invention discloses a coupling energy-saving dehumidification unit and a control method thereof, wherein the dehumidification unit comprises a shell, a control device, a dehumidification rotating wheel, a second air inlet mechanism, a first air inlet mechanism, a temperature control mechanism, an air supply mechanism, a first heat recovery mechanism, a second heat recovery mechanism and an air exhaust mechanism are arranged in the shell, and the first air inlet mechanism, the temperature control mechanism, the air supply mechanism, the first heat recovery mechanism, the second heat recovery mechanism and the air exhaust mechanism are respectively and electrically connected with the control device; the first air inlet mechanism, the processing side of the dehumidification rotating wheel, the temperature control mechanism and the air supply mechanism are sequentially arranged along the air supply direction; the second air inlet mechanism, the first heat recovery mechanism, the regeneration side of the dehumidification rotating wheel, the second heat recovery mechanism and the exhaust mechanism are sequentially arranged along the exhaust direction; the first air inlet mechanism, the temperature control mechanism and the second heat recovery mechanism are respectively connected with the first heat recovery mechanism; the utility model discloses a dehumidification unit, second heat recovery mechanism set up in the end of airing exhaust of dehumidification runner regeneration side, and recoverable regeneration is aired exhaust the heat, improves energy utilization and rates, reduces dehumidification unit work energy consumption.
Description
Technical Field
The invention relates to the technical field of dehumidifiers, in particular to a coupling energy-saving dehumidifier unit and a control method thereof.
Background
The traditional dehumidifier adopts a mechanical refrigeration mode to condense and dehumidify ambient air, or adopts a dehumidification rotating wheel to adsorb and dehumidify the ambient air.
For the dehumidifier adopting the mechanical refrigeration mode, the evaporation temperature of the unit needs to be reduced to be lower than the required dew point temperature in the working process of the unit, the temperature and the humidity cannot be decoupled, and the problem of high working energy consumption of the unit exists.
For a dehumidifier adopting a dehumidification rotating wheel to absorb dehumidification, a cooling device is additionally arranged on the dehumidification rotating wheel processing side for cooling, namely a cold source is additionally consumed, a heating device is additionally arranged on the regeneration side, namely a heat source is additionally consumed, and the problem of high working energy consumption of the dehumidifier exists; the existing dehumidification unit generally does not have equipment for recycling regenerated energy, cannot realize gradient utilization of energy, and has the problem of energy waste.
It is seen that improvements and enhancements in the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a coupling energy-saving dehumidification unit, wherein a second heat recovery mechanism is arranged at an air exhaust end of a regeneration side of a dehumidification rotating wheel, so that the heat of the regenerated exhaust air can be recovered, the energy utilization rate is improved, and the working energy consumption of the dehumidification unit is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coupling energy-saving dehumidification unit comprises a shell, wherein a control device, a dehumidification rotating wheel, a second air inlet mechanism, a first air inlet mechanism, a temperature control mechanism, an air supply mechanism, a first heat recovery mechanism, a second heat recovery mechanism and an exhaust mechanism are arranged in the shell, and the first air inlet mechanism, the temperature control mechanism, the air supply mechanism, the first heat recovery mechanism, the second heat recovery mechanism and the exhaust mechanism are respectively and electrically connected with the control device; the first air inlet mechanism, the processing side of the dehumidification rotating wheel, the temperature control mechanism and the air supply mechanism are sequentially arranged along the air supply direction; the second air inlet mechanism, the first heat recovery mechanism, the regeneration side of the dehumidification rotating wheel, the second heat recovery mechanism and the exhaust mechanism are sequentially arranged along the exhaust direction; the first air inlet mechanism, the temperature control mechanism and the second heat recovery mechanism are respectively connected with the first heat recovery mechanism.
The dehumidification unit in, first heat recovery mechanism includes condensing equipment and compressor, temperature control mechanism includes second evaporation plant and second throttling arrangement, second heat recovery mechanism includes third evaporation plant and third throttling arrangement, the one end of second evaporation plant and the one end of third evaporation plant is passed through respectively the compressor with condensing equipment's one end is connected, condensing equipment's the other end passes through the second throttling arrangement with the other end of second evaporation plant is connected, and passes through the third throttling arrangement with the other end of third evaporation plant is connected, compressor, second throttling arrangement and third throttling arrangement respectively with controlling means electric connection.
In the dehumidification unit, the first air inlet mechanism comprises a first evaporation device and a first throttling device, one end of the first evaporation device is connected with one end of the condensation device through the compressor, the other end of the condensation device is connected with the other end of the first evaporation device through the first throttling device, and the first throttling device is electrically connected with the control device.
In the dehumidification unit, the first air inlet mechanism comprises a first air inlet interface device and a first filtering device, and the processing sides of the first air inlet interface device, the first filtering device, the first evaporation device and the dehumidification rotating wheel are sequentially arranged along the air supply direction; the second air inlet mechanism comprises a second air inlet interface device and a second filtering device, and the second air inlet interface device, the second filtering device and the first heat recovery mechanism are sequentially arranged along the air exhaust direction.
In the dehumidification unit, the air supply mechanism comprises an air supply interface device and an air supply machine, and the temperature control mechanism, the air supply machine and the air supply interface device are sequentially arranged along the air supply direction; the exhaust mechanism comprises an exhaust interface device and an exhaust fan, and the second heat recovery mechanism, the exhaust fan and the exhaust interface device are sequentially arranged along the exhaust direction.
In the dehumidification unit, an access door and one or more access windows are arranged on the shell.
The invention also correspondingly provides a control method of the coupling energy-saving dehumidification unit, the control method is used for realizing the working control of the coupling energy-saving dehumidification unit, the temperature control mechanism further comprises a pressure detection device for acquiring the real-time working pressure of the second evaporation device, and the dehumidification unit further comprises an air supply detection device for acquiring the air supply parameter of the processing side of the dehumidification rotating wheel; the control method comprises the following steps:
setting a proper range of evaporation pressure and setting an ideal air supply humidity parameter of a processing side in a control device in advance;
the control device acquires real-time air supply parameters of the dehumidification rotating wheel processing side fed back by the air supply detection device and real-time pressure values fed back by the pressure detection device;
the control device adjusts the opening degree of the third throttling device according to the real-time air supply parameters to enable the real-time humidity parameters of the air output by the dehumidification rotating wheel processing side to be consistent with the ideal air supply humidity parameters;
the control device adjusts the opening degree of the second throttling device according to the real-time pressure value, so that the real-time pressure value is stabilized in a preset appropriate range of the evaporation pressure.
In the control method, the first air inlet mechanism comprises a first evaporation device and a first throttling device, one end of the first evaporation device is connected with one end of the condensation device through the compressor, and the other end of the condensation device is connected with the other end of the first evaporation device through the first throttling device; the control method further comprises the steps of:
setting the ideal air supply dry bulb temperature of the processing side in the control device in advance;
the control device acquires real-time air supply parameters of the dehumidification rotating wheel processing side fed back by the air supply detection device;
the control device adjusts the opening degree of the first throttling device according to the real-time air supply parameters, so that the dry bulb temperature of the air entering the processing side of the dehumidification rotating wheel is constant.
In the control method, the dehumidification unit further comprises an air inlet detection device for acquiring side air inlet parameters of dehumidification runner treatment; the control method further comprises the steps of:
setting ideal air inlet parameters of a dehumidification rotating wheel processing side in a control device in advance;
the control device acquires real-time air inlet parameters of the processing side fed back by the air inlet detection device and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air inlet parameters and the ideal air inlet parameters;
or the control device acquires real-time air supply parameters of the processing side fed back by the air supply detection device and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air supply parameters and the ideal air supply parameters.
In the control method, the control method further includes:
when the control device receives a control instruction for starting dehumidification, the control device firstly controls the air exhaust mechanism to start working;
when the working time of the air exhaust mechanism is consistent with the air exhaust time preset in the control device, the control device controls the air supply mechanism to start working.
Has the beneficial effects that:
the invention provides a coupling energy-saving dehumidifying unit, wherein a temperature control mechanism is matched with a dehumidifying rotating wheel, so that the air output by the dehumidifying unit can meet the requirement of environmental working conditions; the temperature control mechanism cools air, the refrigerant recovers air heat and returns to the first heat recovery mechanism, the second heat recovery mechanism is arranged at the output end of the regeneration side of the dehumidification rotating wheel and can recover heat of regenerated exhaust air, and the refrigerant absorbing heat returns to the first heat recovery mechanism; first heat recovery mechanism sets up in the input of dehumidification runner regeneration side, but exportable high temperature air, makes the water vapor of dehumidification runner processing side come out from regeneration side desorption, ensures the dehumidification runner processing side to the dehumidification effect of air, improves energy utilization and rates, reduces the work energy consumption of dehumidification unit.
Drawings
Fig. 1 is a side view of the internal structure of a dehumidifying unit according to the present invention;
FIG. 2 is a top view of the internal structure of the dehumidification unit provided by the present invention;
FIG. 3 is a system configuration diagram of a dehumidifying unit according to the present invention;
FIG. 4 is a first logic flow diagram of a control method provided by the present invention;
FIG. 5 is a second logic flow diagram of a control method provided by the present invention;
FIG. 6 is a third logic flow diagram of a control method provided by the present invention;
fig. 7 is a fourth logic flow diagram of the control method provided by the present invention.
Description of the main element symbols: 1-shell, 11-control device, 12-access door, 13-access window, 2-dehumidification rotating wheel, 21-treatment side, 22-regeneration side, 31-first air inlet interface device, 32-first filtering device, 33-first evaporating device, 34-first throttling device, 41-second air inlet interface device, 42-second filtering device, 51-condensing device, 52-compressor, 61-second evaporating device, 62-second throttling device, 71-third evaporating device, 72-third throttling device, 81-air supply interface device, 82-air feeder, 91-air exhaust interface device and 92-exhaust fan.
Detailed Description
The invention provides a coupling energy-saving dehumidifying unit and a control method thereof, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and embodiments.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and the like are to be interpreted broadly, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
Referring to fig. 1 to 3, the invention provides a coupling energy-saving dehumidification unit, which includes a housing 1, wherein a control device 11, a dehumidification rotating wheel 2, a second air inlet mechanism, and a first air inlet mechanism, a temperature control mechanism, an air supply mechanism, a first heat recovery mechanism, a second heat recovery mechanism and an air exhaust mechanism which are electrically connected to the control device 11 are arranged in the housing 1; the first air inlet mechanism, the processing side 21 of the dehumidification rotating wheel 2, the temperature control mechanism and the air supply mechanism are arranged in sequence along the air supply direction; the second air inlet mechanism, the first heat recovery mechanism, the regeneration side 22 of the dehumidification rotating wheel 2, the second heat recovery mechanism and the exhaust mechanism are arranged in sequence along the exhaust direction; the first air inlet mechanism, the temperature control mechanism and the second heat recovery mechanism are respectively connected with the first heat recovery mechanism.
According to the dehumidification unit disclosed by the application, when dehumidification is carried out, external ambient air is firstly processed by the first air inlet mechanism, the first air inlet mechanism can cool the input air, the dry bulb temperature of the air is obviously reduced, the moisture content is reduced slightly, and the refrigerant after heat absorption returns to the first heat recovery mechanism; the air after temperature reduction and humidity reduction enters the processing side 21 of the dehumidification rotating wheel 2, after the isenthalpic processing, the air output by the processing side 21 is subjected to humidity reduction and temperature rise, and the moisture content of the air can meet the working condition requirement of the environment; the heated air is cooled by the temperature control mechanism, the air treated by the temperature control mechanism can meet the requirement of environmental working conditions by adjusting the flow of the refrigerant entering the temperature control mechanism, and the refrigerant absorbing heat returns to the first heat recovery mechanism; the exhaust end of the regeneration side 22 of the dehumidification rotating wheel is provided with a second heat recovery mechanism which can recover the heat of the regenerated exhaust air, and the refrigerant absorbing heat returns to the first heat recovery mechanism; first heat recovery mechanism sets up in the air inlet end of dehumidification runner regeneration side 22, first air inlet mechanism, the air heat of accuse temperature mechanism and second heat recovery mechanism recovery heaies up to the air that gets into regeneration side 22, make the water vapor molecule of handling side 21 come out along with the high temperature air desorption after the heating from regeneration side 22, ensure to handle the normal dehumidification of side 21, ensure promptly that the air after handling side 21 handles satisfies the environment operating mode demand, energy utilization is improved, the work energy consumption of dehumidification unit has been reduced.
Further, referring to fig. 1 to 3, the first heat recovery mechanism includes a condensing device 51 and a compressor 52, the temperature control mechanism includes a second evaporation device 61 and a second throttling device 62, the second heat recovery mechanism includes a third evaporation device 71 and a third throttling device 72, one end of the second evaporation device 61 and one end of the third evaporation device 71 are respectively connected to one end of the condensing device 51 through the compressor 52, the other end of the condensing device 51 is connected to the other end of the second evaporation device 61 through the second throttling device 62 and is connected to the other end of the third evaporation device 71 through the third throttling device 72, and the compressor 52, the second throttling device 62 and the third throttling device 72 are respectively electrically connected to the control device 11; in one embodiment, the condensing unit 51 and the second evaporating unit 61 may be in the form of an air-to-air heat exchanger, the condensing unit 51 and the third evaporating unit 71 may be in the form of an air-to-air heat exchanger, and the compressor 52 may be a rotary compressor, a screw compressor, or a centrifugal compressor.
Further, referring to fig. 1 and fig. 3, the first air intake mechanism includes a first evaporation device 33 and a first throttling device 34, one end of the first evaporation device 33 is connected to one end of the condensation device 51 through the compressor 52, the other end of the condensation device 51 is connected to the other end of the first evaporation device 33 through the first throttling device 34, and the first throttling device 34 is electrically connected to the control device 11; in one embodiment, the condensing means 51 and the first evaporating means 33 may be in the form of an air-to-air heat exchanger.
The first evaporation device 33 used for reducing the temperature of the environment is arranged at the air inlet end of the dehumidification rotary wheel processing side 21, so that the dry bulb temperature of the input air can be obviously reduced, the moisture content can be reduced slightly, and the control device 11 can be used for adjusting the flow rate of the refrigerant in the first evaporation device 33, so that the constant dry bulb temperature of the air input to the dehumidification rotary wheel processing side 21 can be ensured; the second evaporation device 61 arranged at the air supply end of the processing side 21 of the dehumidification rotating wheel is matched to realize double temperature control of the air inlet end and the air supply end of the dehumidification rotating wheel 2, so that the air output by the dehumidification unit meets the requirement of environmental working conditions, the stability and the reliability of the dehumidification unit during working are improved, and the use experience of a user is improved; the refrigerant in the first evaporation device 33 absorbs heat and then returns to the first heat recovery mechanism, so that the heat of the inlet air can be recovered to heat the inlet air at the regeneration side 22, the energy utilization rate is further improved, and the working energy consumption of the dehumidification unit is reduced.
Further, referring to fig. 1 and fig. 3, the first air inlet mechanism includes a first air inlet interface device 31 and a first filter device 32, and the first air inlet interface device 31, the first filter device 32, the first evaporator 33 and the processing side 21 of the desiccant rotor 2 are sequentially arranged along the air supply direction; the second air inlet mechanism comprises a second air inlet interface device 41 and a second filtering device 42, and the second air inlet interface device 41, the second filtering device 42 and the first heat recovery mechanism are sequentially arranged along the air exhaust direction; the first filtering device 32 and the second filtering device 42 are arranged to filter dust particles and the like in the air, so that the cleanliness of the air conveyed by the dehumidifying unit and the air exhausted by the dehumidifying unit can be improved; in one embodiment, the first air inlet interface 31 is a first air inlet opening on the housing 1, the second air inlet interface 41 is a second air inlet opening on the housing 1, and the first filtering device 32 and the second filtering device 42 may be primary filters or activated carbon filters.
Further, referring to fig. 1 to fig. 3, the air supply mechanism includes an air supply interface device 81 and an air supply 82, and the temperature control mechanism, the air supply 82 and the air supply interface device 81 are sequentially arranged along the air supply direction; the exhaust mechanism comprises an exhaust interface device 91 and an exhaust fan 92, and the second heat recovery mechanism, the exhaust fan 92 and the exhaust interface device 91 are sequentially arranged along the exhaust direction; the blower 82 and the exhaust fan 92 are used for providing power for the flow of air, so that the effective air exhaust and the effective air supply of the dehumidification unit are ensured, and the stability and the reliability of the dehumidification unit during working are improved; in one embodiment, the air supply interface device 81 is an air supply outlet arranged on the casing 1, and the air exhaust interface device 91 is an air exhaust outlet arranged on the casing 1; the blower 82 and the exhaust fan 92 may be AC fans or EC fans.
Specifically, when the dehumidifier unit performs dehumidification, for the air supply at the processing side 21, the air to be processed enters the inside of the housing 1 after being filtered by the first air inlet interface device 31 and the first filtering device 32, and after the first evaporation device 33 cools the inlet air, the dry bulb temperature of the air is significantly reduced, and the moisture content is reduced to a small extent; the air after temperature reduction and humidity reduction enters a processing side 21 of the dehumidification rotating wheel 2, after isenthalpic processing, the air output by the processing side 21 is subjected to humidity reduction and temperature rise, and the moisture content of the air is processed to meet the working condition requirement of the environmental humidity; then the air enters a second evaporation device 61, and the second evaporation device 61 further cools the air, so that the treated air is treated to meet the dry-bulb temperature requirement of the environmental working condition; the air after being processed is powered by the blower 82 and then is exhausted out of the shell 1 through the air supply interface device 81; the temperature control of the air inlet end and the air supply end of the dehumidifying rotating wheel 2 is realized through the humidity control mechanism and the temperature control mechanism, the temperature stability of the air output by the dehumidifying unit can be ensured, and the stability and the reliability of the dehumidifying unit during working are improved.
For the exhaust air of the regeneration side 22, the external air enters the inside of the casing 1 after being filtered by the second air inlet interface device 41 and the second filtering device 42, and the condensing device 51 recovers the heat of the first evaporating device 33, the second evaporating device 61 and the third evaporating device 71 so as to heat the air output by the second filtering device 42; the heated air enters the regeneration side 22 of the dehumidification rotating wheel 2, and the heat and mass exchange of the dehumidification rotating wheel 2 is carried out, so that water vapor molecules on the processing side 21 are desorbed from the regeneration side 22 along with the heated high-temperature air, the moisture contained in the air during processing is transferred to the regeneration side 22 and discharged, the processing side 21 is ensured to keep a better dehumidification effect, and the air processed by the dehumidification rotating wheel 2 is ensured to meet the humidity working condition requirement of the environment; the regeneration side 22 exhausts air and then enters the third evaporation device 71 to exchange heat with the refrigerant in the third evaporation device 71, so that heat recovery is realized, heat recycling is realized through the condensation device 51, and the energy utilization rate is improved; the regenerated exhaust air after heat exchange is finally exhausted out of the casing 1 through the exhaust fan 92 and the exhaust interface device 91.
For the refrigeration cycle, the compressor 52 discharges low-temperature and low-pressure gas working medium into high-temperature and high-pressure gas, the gas is cooled by the condenser 51 to heat the air at the regeneration side 22, the refrigerant is condensed and phase-changed into liquid, and then the liquid enters the first throttling device 34, the second throttling device 62 and the third throttling device 72 respectively under the action of pressure difference, the throttling device depressurizes the working medium to low pressure, the low-temperature and low-pressure working medium absorbs heat in the first evaporator 33, the second evaporator 61 and the third evaporator 71 and is phase-changed again, the air treated by the first evaporator 33, the second evaporator 61 and the third evaporator 71 is cooled and dehumidified, and the refrigerant is changed into a low-temperature and low-pressure state and returns to the compressor 52 to enter the next refrigeration cycle; the air inlet heat and the regenerated exhaust heat can be recycled to heat the air inlet at the regeneration side 22, the energy utilization rate is improved, the gradient utilization of energy is realized, and the working energy consumption of the dehumidification unit is reduced.
Further, referring to fig. 1, an access door 12 and one or more access windows 13 are formed on the housing 1, and the access door 12 and the access window 13 are arranged, so that operation and maintenance personnel can conveniently maintain the electrical components and the equipment devices in the housing 1; in one embodiment, two access panels 13 are provided on the housing 1.
Referring to fig. 4 to 7, the present invention further provides a control method of a coupling energy-saving dehumidification unit, where the control method is used to implement the work control of any one of the above coupling energy-saving dehumidification units, the temperature control mechanism further includes a pressure detection device for obtaining the real-time working pressure of the second evaporation device 61, and the dehumidification unit further includes an air supply detection device for obtaining the air supply parameter of the processing side 21 of the dehumidification turning wheel; the control method comprises the following steps:
s100, setting an appropriate range of evaporation pressure and setting an ideal air supply humidity parameter of a processing side 21 in the control device 11 in advance; the suitable range of the evaporation pressure can comprise the maximum value of the evaporation pressure, the minimum value of the evaporation pressure and the pressure control precision, and when the real-time pressure value falls into the range from the minimum value of the evaporation pressure to the pressure control precision to the maximum value of the evaporation pressure plus the pressure control precision, the real-time pressure value is indicated to fall into the suitable range; the ideal air supply humidity parameter can be an ideal air supply dew point temperature and is used for determining whether the air treated by the dehumidifying rotating wheel 2 meets the humidity requirement of the environmental working condition; the appropriate range of the evaporation pressure and the ideal air supply humidity parameter can be set and adjusted by workers according to the requirements of environmental working conditions.
S110, the control device 11 obtains real-time air supply parameters of the dehumidification turning wheel processing side 21 fed back by the air supply detection device and real-time pressure values fed back by the pressure detection device; in this step, the real-time air supply parameter is the air supply wet bulb temperature, and the air supply detection device comprises a first temperature sensor for acquiring the air supply wet bulb temperature.
S120, the control device 11 adjusts the opening degree of the third throttling device 72 according to the real-time air supply parameters, so that the real-time humidity parameters of the air output by the dehumidification turning wheel processing side 21 are consistent with the ideal air supply humidity parameters; when the difference value between the real-time air supply parameter and the ideal air supply humidity parameter is larger than or equal to zero, the control device 11 controls the opening of the third throttling device 72 to increase; when the difference between the real-time air supply parameter and the ideal air supply humidity parameter is a negative value, the control device 11 controls the opening degree of the third throttling device 72 to be small.
S130, the control device 11 adjusts the opening degree of the second throttling device 62 according to the real-time pressure value, so that the real-time pressure value is stabilized within a proper range of the preset evaporation pressure; when the real-time pressure value is lower than the proper range, namely lower than the minimum evaporation pressure value-pressure control precision, the control device 11 controls the opening of the second throttling device 62 to increase, the cooling effect of the second evaporation device 61 is weakened, and the ambient air temperature rises; when the real-time pressure value is higher than the suitable range, that is, higher than the maximum evaporation pressure value plus the pressure control precision, the control device 11 controls the opening degree of the second throttling device 62 to be smaller, the cooling effect of the second evaporation device 61 is enhanced, and the ambient air temperature is reduced.
According to the control method, the opening degree of the third throttling device 72 is adjusted according to the real-time air supply parameters, the opening degree of the second throttling device 62 is adjusted according to the real-time pressure value fed back by the pressure detection device and the preset evaporation pressure suitable range, the heat exchange effect of the third evaporation device 71 and the second evaporation device 61 is adjusted, the air output by the dehumidification unit is ensured to meet the temperature requirement and the humidity requirement of the environment working condition, and the use experience of a user is improved.
Further, referring to fig. 5, the first air intake mechanism includes a first evaporation device 33 and a first throttling device 34, one end of the first evaporation device 33 is connected to one end of the condensation device 51 through the compressor 52, and the other end of the condensation device 51 is connected to the other end of the first evaporation device 33 through the first throttling device 34; the control method further comprises the steps of:
s200, setting an ideal air supply dry bulb temperature of the processing side 21 in the control device 11 in advance; the temperature of the air supply dry bulb can be set by workers according to the requirements of environmental working conditions;
s210, the control device 11 acquires real-time air supply parameters of the dehumidification turning wheel processing side 21 fed back by the air supply detection device; in this step, the real-time air supply parameter is a real-time air supply dry bulb temperature, and the air supply detection device includes a second temperature sensor for detecting the air supply dry bulb temperature.
S220, the control device 11 adjusts the opening degree of the first throttling device 34 according to the real-time air supply parameters to enable the dry bulb temperature of the air entering the dehumidification rotary wheel processing side 21 to be constant; an ideal air supply parameter can be preset in the control device 11, when the real-time air supply parameter is larger than the ideal air supply parameter, the evaporation pressure of the first evaporation device 33 is higher, and the control device 11 controls the opening degree of the first throttling device 34 to be smaller; when the real-time air supply parameter is smaller than the ideal air supply parameter, it indicates that the evaporation pressure of the first evaporation device 33 is lower, and the control device 11 controls the opening degree of the first throttling device 34 to increase.
According to the control method, the opening degree of the first throttling device 34 is adjusted according to real-time air supply parameters so as to adjust the heat exchange effect of the first evaporation device 33, and the temperature control of the air inlet end and the air supply end of the dehumidification rotating wheel 2 can be realized by matching with the second evaporation device 61, so that the air output by the dehumidification unit meets the temperature requirement of the environmental working condition, and the stability and the reliability of the dehumidification unit during working are improved.
Further, please refer to fig. 6, the dehumidifier unit further includes an air inlet detection device for obtaining an air inlet parameter of the processing side 21 of the desiccant rotor; the control method further comprises the steps of:
s311, setting an ideal air inlet parameter of the dehumidification turning wheel processing side 21 in the control device 11 in advance, wherein the air inlet parameter can be air inlet dry-bulb temperature or air inlet wet-bulb temperature, and the ideal air inlet parameter can be set by a worker according to the requirement of environmental working conditions;
s312, the control device 11 obtains the real-time air inlet parameter of the processing side 21 fed back by the air inlet detection device, and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air inlet parameter and the ideal air inlet parameter; specifically, the control device 11 adopts a PID adjustment mode, and when the difference between the real-time air intake parameter and the ideal air intake parameter is greater than a preset difference, the control device 11 controls the working frequency of the blower 82 to be increased, and the rotating speed of the blower 82 is increased; when the difference between the real-time air inlet parameter and the ideal air inlet parameter is smaller than the preset difference, the control device 11 controls the working frequency of the blower 82 to be reduced, and the rotating speed of the blower 82 is reduced.
S321, setting an ideal air supply parameter of the dehumidification rotating wheel processing side 21 in the control device 11 in advance, wherein the air supply parameter can be air supply dry bulb temperature or air supply wet bulb temperature, and the ideal air supply parameter can be set by a worker according to an environmental working condition;
s322, the control device 11 obtains the real-time air supply parameters of the processing side 21 fed back by the air supply detection device, and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air supply parameters and the ideal air supply parameters; specifically, the control device 11 adopts a PID adjustment mode, and when the difference between the real-time air supply parameter and the preset air supply parameter is greater than the preset difference, the control device 11 controls the operating frequency of the air blower 82 to decrease, and the rotating speed of the air blower 82 is reduced; when the difference between the real-time air supply parameter and the preset air supply parameter is smaller than the preset difference, the control device 11 controls the operating frequency of the air blower 82 to increase, and the rotation speed of the air blower 82 increases.
The control method disclosed by the application can adjust the working state of the air feeder 82 according to the air inlet parameter or the air supply parameter, ensure that the temperature of the air output by the dehumidifying unit meets the constant-temperature working condition requirement of the environment, and improve the stability and the reliability of the dehumidifying unit during working.
Further, referring to fig. 7, the control method further includes the steps of:
s400, when the control device 11 receives a control instruction for starting dehumidification work, the control device 11 firstly controls the air exhaust mechanism to start work;
s410, when the working time of the air exhaust mechanism is consistent with the air exhaust time preset in the control device 11, the control device 11 controls the air supply mechanism to start working, and the air exhaust mechanism keeps working; in one embodiment, the air exhaust time period may be 20 seconds, and may be set by an operator according to the working environment of the dehumidification unit.
In the control method disclosed by the application, before the dehumidification unit formally starts to work, namely before the processing side 21 starts to intake air, the control device 11 firstly controls the exhaust fan 92 of the exhaust mechanism to work for a certain time, so that the water vapor accumulated in the shutdown process of the regeneration side 22 of the dehumidification rotating wheel can be exhausted out of the shell 1, and the normal work of the dehumidification rotating wheel 2 is ensured.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.
Claims (10)
1. A coupling energy-saving dehumidifying unit is characterized by comprising a shell, wherein a control device, a dehumidifying rotating wheel, a second air inlet mechanism, a first air inlet mechanism, a temperature control mechanism, an air supply mechanism, a first heat recovery mechanism, a second heat recovery mechanism and an air exhaust mechanism are arranged in the shell, and the first air inlet mechanism, the temperature control mechanism, the air supply mechanism, the first heat recovery mechanism, the second heat recovery mechanism and the air exhaust mechanism are respectively and electrically connected with the control device; the first air inlet mechanism, the processing side of the dehumidification rotating wheel, the temperature control mechanism and the air supply mechanism are sequentially arranged along the air supply direction; the second air inlet mechanism, the first heat recovery mechanism, the regeneration side of the dehumidification rotating wheel, the second heat recovery mechanism and the exhaust mechanism are sequentially arranged along the exhaust direction; the first air inlet mechanism, the temperature control mechanism and the second heat recovery mechanism are respectively connected with the first heat recovery mechanism.
2. The dehumidifier unit according to claim 1, wherein the first heat recovery mechanism comprises a condensing device and a compressor, the temperature control mechanism comprises a second evaporation device and a second throttling device, the second heat recovery mechanism comprises a third evaporation device and a third throttling device, one end of the second evaporation device and one end of the third evaporation device are respectively connected with one end of the condensing device through the compressor, the other end of the condensing device is connected with the other end of the second evaporation device through the second throttling device and is connected with the other end of the third evaporation device through the third throttling device, and the compressor, the second throttling device and the third throttling device are respectively electrically connected with the control device.
3. A dehumidifier unit according to claim 2 wherein the first air inlet mechanism includes a first evaporator and a first throttle device, one end of the first evaporator is connected to one end of the condenser through the compressor, the other end of the condenser is connected to the other end of the first evaporator through the first throttle device, and the first throttle device is electrically connected to the controller.
4. The dehumidifier set according to claim 3, wherein the first air inlet mechanism further comprises a first air inlet interface device and a first filtering device, and the first air inlet interface device, the first filtering device, the first evaporation device and the processing side of the dehumidification rotor are sequentially arranged along the air supply direction; the second air inlet mechanism comprises a second air inlet interface device and a second filtering device, and the second air inlet interface device, the second filtering device and the first heat recovery mechanism are sequentially arranged along the air exhaust direction.
5. The dehumidifier unit of claim 1, wherein the air supply mechanism comprises an air supply interface device and an air supply, and the temperature control mechanism, the air supply and the air supply interface device are sequentially arranged along an air supply direction; the exhaust mechanism comprises an exhaust interface device and an exhaust fan, and the second heat recovery mechanism, the exhaust fan and the exhaust interface device are sequentially arranged along the exhaust direction.
6. A dehumidifier unit according to claim 1 wherein the housing defines an access door and one or more access panels.
7. A control method of a coupling energy-saving dehumidification unit is characterized in that the control method is used for realizing the work control of the coupling energy-saving dehumidification unit according to any one of claims 2 to 6, the temperature control mechanism further comprises a pressure detection device for acquiring the real-time working pressure of a second evaporation device, and the dehumidification unit further comprises an air supply detection device for acquiring the air supply parameter of the processing side of a dehumidification rotating wheel; the control method comprises the following steps:
setting an appropriate range of evaporation pressure and setting an ideal air supply humidity parameter of a processing side in a control device in advance;
the control device acquires real-time air supply parameters of the dehumidification rotating wheel processing side fed back by the air supply detection device and real-time pressure values fed back by the pressure detection device;
the control device adjusts the opening degree of the third throttling device according to the real-time air supply parameters to enable the real-time humidity parameters of the air output by the dehumidification rotating wheel processing side to be consistent with the ideal air supply humidity parameters;
the control device adjusts the opening degree of the second throttling device according to the real-time pressure value, so that the real-time pressure value is stabilized in a proper range of the preset evaporation pressure.
8. The control method according to claim 7, wherein the first air intake mechanism includes a first evaporation device and a first throttle device, one end of the first evaporation device is connected to one end of the condensation device through the compressor, and the other end of the condensation device is connected to the other end of the first evaporation device through the first throttle device; the control method further comprises the steps of: setting the ideal air supply dry bulb temperature of the processing side in the control device in advance;
the control device acquires real-time air supply parameters of the processing side of the dehumidification turning wheel fed back by the air supply detection device;
the control device adjusts the opening degree of the first throttling device according to the real-time air supply parameters, so that the dry bulb temperature of the air entering the processing side of the dehumidification rotating wheel is constant.
9. The control method according to claim 8, wherein the dehumidifier unit further comprises an inlet air detection device for obtaining a side inlet air parameter of the desiccant rotor; the control method further comprises the steps of:
setting ideal air inlet parameters of a dehumidification rotating wheel processing side in a control device in advance;
the control device acquires real-time air inlet parameters of the processing side fed back by the air inlet detection device and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air inlet parameters and the ideal air inlet parameters;
or the control device acquires real-time air supply parameters of the processing side fed back by the air supply detection device and adjusts the working state of the air supply mechanism according to the comparison result of the real-time air supply parameters and the ideal air supply parameters.
10. The control method according to claim 7, characterized by further comprising the steps of:
when the control device receives a control instruction for starting dehumidification, the control device firstly controls the air exhaust mechanism to start working;
when the working time of the air exhaust mechanism is consistent with the air exhaust time preset in the control device, the control device controls the air supply mechanism to start working.
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| CN202210465940.2A CN114777224A (en) | 2022-04-29 | 2022-04-29 | Coupling energy-saving dehumidification unit and control method thereof |
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| CN202210465940.2A CN114777224A (en) | 2022-04-29 | 2022-04-29 | Coupling energy-saving dehumidification unit and control method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202350194U (en) * | 2011-11-14 | 2012-07-25 | 马军 | Dehumidification device with freezing and rotating wheel absorption coupling operation |
| CN208606298U (en) * | 2018-07-30 | 2019-03-15 | 迪思特空气处理设备(常熟)有限公司 | A kind of constant evaporator leaving air temp refrigeration system of energy-saving rotary dehumidifier |
| CN113357715A (en) * | 2021-06-08 | 2021-09-07 | 青岛奥利凯中央空调有限公司 | Intelligent consumption-reducing rotary dehumidification and purification system and control method thereof |
| CN113865208A (en) * | 2021-09-16 | 2021-12-31 | 同济大学 | Heat pump rotating wheel coupling device for frostless refrigeration house and operation method |
-
2022
- 2022-04-29 CN CN202210465940.2A patent/CN114777224A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202350194U (en) * | 2011-11-14 | 2012-07-25 | 马军 | Dehumidification device with freezing and rotating wheel absorption coupling operation |
| CN208606298U (en) * | 2018-07-30 | 2019-03-15 | 迪思特空气处理设备(常熟)有限公司 | A kind of constant evaporator leaving air temp refrigeration system of energy-saving rotary dehumidifier |
| CN113357715A (en) * | 2021-06-08 | 2021-09-07 | 青岛奥利凯中央空调有限公司 | Intelligent consumption-reducing rotary dehumidification and purification system and control method thereof |
| CN113865208A (en) * | 2021-09-16 | 2021-12-31 | 同济大学 | Heat pump rotating wheel coupling device for frostless refrigeration house and operation method |
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