CN106705383B - Dehumidification control method and device and equipment with dehumidification function - Google Patents

Dehumidification control method and device and equipment with dehumidification function Download PDF

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Publication number
CN106705383B
CN106705383B CN201710060235.3A CN201710060235A CN106705383B CN 106705383 B CN106705383 B CN 106705383B CN 201710060235 A CN201710060235 A CN 201710060235A CN 106705383 B CN106705383 B CN 106705383B
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temperature
difference
humidity
evaporator
frequency
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CN106705383A (en
Inventor
高玉平
倪小花
陈伟
杨杰
王明剑
袁前
黄松斌
钟振棠
陈国强
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a dehumidification control method and device and equipment with a dehumidification function. The dehumidification control method comprises the following steps: a detection step for detecting indoor relative humidity and indoor ambient temperature; calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value; and a control step, which is used for controlling the gear of an inner fan of the dehumidification equipment and the temperature of an inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference. The technical scheme of the invention realizes the accurate control of comfortable environment and dehumidification amount, has high dehumidification speed, improves the conditions of too large or too small indoor humidity drop and non-energy-saving dehumidification, has strong practicability and good user experience.

Description

Dehumidification control method and device and equipment with dehumidification function
Technical Field
The invention relates to the technical field of dehumidification, in particular to a dehumidification control method and device and equipment with a dehumidification function.
Background
With the development of society, the living standard of people is generally improved, and equipment with a dehumidifying function becomes a necessary product in daily life of people. However, in most common air conditioning dehumidification modes at present, a humidity sensor is not arranged, the rotating speed of an inner fan is fixed and is low, and the frequency of a compressor is controlled according to the temperature difference between indoor temperature and a set value and the change rate of the indoor temperature. The control principle is that when the detected ambient temperature and the set temperature value are higher, the rotating speed of the inner fan is fixed, the frequency of the compressor is increased to a certain value, and the temperature of the inner pipe is reduced to dehumidify. After a period of time, the room temperature is detected to calculate the rate of change, and if the rate of change is slow, which indicates that most of the energy is used for latent heat dehumidification, the higher frequency still needs to be maintained. If the temperature is detected to drop quickly, the indoor humidity is not high, most door energy is used for sensible heat temperature reduction, and at the moment, the frequency needs to be reduced to increase the temperature of the inner pipe. The control logic indirectly feeds back the humidity through the speed of the temperature change of the dry bulb, only rough judgment can be made, the relative humidity cannot be accurately quantified to ensure a comfortable environment, and cold energy is wasted due to the phenomena of too low dehumidification, too large temperature drop and the like. The dehumidification scheme of prior art is in aspects such as dehumidification precision and comfort, is difficult to satisfy user's demand.
Disclosure of Invention
In view of the above, the present invention provides a dehumidification control method, including: a detection step for detecting indoor relative humidity and indoor ambient temperature; calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value; and a control step, which is used for controlling the gear of an inner fan of the dehumidification equipment and the temperature of an inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference.
Optionally, an optimal comfort humidity determining step is further included, configured to determine an optimal comfort humidity at the detected indoor ambient temperature according to the temperature.
Optionally, the controlling an inner fan gear of the dehumidification device according to the calculation result of the humidity difference and the temperature difference includes: and placing the gears of the inner fan of the dehumidification equipment into corresponding wind gears according to the calculation results of the humidity difference and the temperature difference, wherein the corresponding wind gears are high under the condition that the humidity difference and/or the temperature difference are large, and the corresponding wind gears are low under the condition that the humidity difference and/or the temperature difference are small.
Optionally, the controlling an inner fan gear of the dehumidification device according to the calculation result of the humidity difference and the temperature difference further includes:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
Optionally, the controlling the temperature of the evaporator inner tube according to the calculation result of the humidity difference and the temperature difference includes: and controlling the frequency of a compressor according to the calculation results of the humidity difference and the temperature difference, increasing the frequency of the compressor when the humidity difference and/or the temperature difference is increased so as to reduce the temperature of the inner pipe of the evaporator, and decreasing the frequency of the compressor when the humidity difference and/or the temperature difference is decreased so as to increase the temperature of the inner pipe of the evaporator.
Optionally, the controlling the compressor frequency according to the calculation result of the humidity difference and the temperature difference includes:
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is1≤△t<t2When in use, the frequency of the compressor is set to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
Optionally, the controlling the temperature of the evaporator inner tube according to the calculation result of the humidity difference and the temperature difference further includes: setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference; detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator; if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to reduce the temperature of the evaporator inner tube; and if the detected temperature of the evaporator inner tube is less than the set evaporator inner tube temperature threshold, reducing the frequency of the compressor so as to increase the temperature of the evaporator inner tube.
Alternatively,t1＝5℃；t2＝10℃。
optionally, the method further comprises: after a preset time threshold time has elapsed, the detecting step, the calculating step, and the controlling step are re-executed.
Optionally, the method further comprises controlling the air outlet device to switch to a microporous air outlet structure when the dehumidification device dehumidifies, wherein the microporous air outlet structure is an air outlet panel with micropores.
Another aspect of the present invention provides a dehumidification control apparatus, including: a detection unit for detecting indoor relative humidity and indoor ambient temperature; the calculating unit is used for calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value; and the control unit is used for controlling the gear of an inner fan of the dehumidification equipment and the temperature of an inner pipe of the evaporator according to the calculation results of the humidity difference and the temperature difference.
Optionally, the calculating unit further comprises an optimal comfort humidity determining unit, configured to determine an optimal comfort humidity at the detected indoor ambient temperature according to the temperature.
Optionally, the control unit includes a wind level control subunit, configured to set a wind level of an inner fan of the dehumidification device to a corresponding wind level according to a calculation result of the humidity difference and the temperature difference, where the wind level is high when the humidity difference and/or the temperature difference is large, and the wind level is low when the humidity difference and/or the temperature difference is small.
Optionally, the windshield control subunit is further configured to:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
Optionally, the control unit further comprises a tube temperature control subunit, configured to control a compressor frequency according to a calculation result of the humidity difference and the temperature difference, increase the compressor frequency when the humidity difference and/or the temperature difference increases to lower the evaporator inner tube temperature, and decrease the compressor frequency when the humidity difference and/or the temperature difference decreases to raise the evaporator inner tube temperature.
Optionally, the tube temperature control subunit is further configured to:
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature differenceThreshold value, t2Is a preset second temperature difference threshold.
Optionally, the tube temperature control subunit is further configured to: setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference; detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator; if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to reduce the temperature of the evaporator inner tube; and if the detected temperature of the evaporator inner tube is less than the set evaporator inner tube temperature threshold, reducing the frequency of the compressor so as to increase the temperature of the evaporator inner tube.
Alternatively,t1＝5℃；t2＝10℃。
optionally, the method further comprises: after a preset time threshold time has elapsed, the functions performed by the detection unit, the calculation unit, and the control unit are re-executed.
Optionally, the control unit further includes an air outlet device switching subunit, configured to control the air outlet device to switch to a microporous air outlet structure when the dehumidification device dehumidifies, where the microporous air outlet structure is an air outlet panel with micropores.
The invention further provides equipment with a dehumidification function, which is provided with the device in any one of the above.
Optionally, the device comprises an air conditioner or dehumidifier.
The technical scheme of the invention realizes the accurate control of comfortable environment and dehumidification amount, has high dehumidification speed, and improves the conditions of too large or too small indoor humidity drop and non-energy-saving dehumidification. And in the aspect of hardware equipment, the air outlet device is switched to the microporous air outlet structure to ensure that the air speed is uniform, so that the use comfort is further improved, the practicability is high, and the user experience is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall block diagram of a dehumidification control method provided by the present invention;
FIG. 2 is a flowchart illustrating the steps of a preferred embodiment of a dehumidification control method of the present invention;
FIG. 3 is a flowchart illustrating steps of a dehumidification control method according to another preferred embodiment of the present invention;
fig. 4 is an overall configuration diagram of a dehumidification control apparatus according to the present invention;
fig. 5 is a schematic structural diagram of a preferred embodiment of the dehumidification control device provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a dehumidification control method. Fig. 1 is an overall block diagram of a dehumidification control method according to the present invention. As shown in fig. 1, the dehumidification control method of the present invention includes: step S110, a detection step for detecting indoor relative humidity and indoor environment temperature; step S120, a calculating step, which is used for calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value; and S130, controlling the gear of an inner fan of the dehumidifying equipment and the temperature of an inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference.
According to the technical scheme, the humidity sensor is used for directly detecting the indoor relative humidity, and when the deviation from the human body comfort degree is judged to be overlarge (the relative humidity is overlarge) by combining the detected environment temperature, the rotating speed of the inner fan is correspondingly increased at the moment, the frequency of the compressor is increased, so that the dehumidification capacity is ensured by the larger circulating air volume and the lower pipe temperature, and vice versa. When the high indoor environment temperature and the low humidity are detected, the temperature is lowered rather than dehumidified, the circulating air volume is increased but the temperature of the pipe is not too low, so that energy conservation is guaranteed, and more cold energy is not wasted on latent heat. The invention solves the problems of inaccurate environmental humidity control, low dehumidification speed, excessive or insufficient indoor temperature drop, energy conservation and the like in the prior art by the measures of direct detection of the temperature and humidity sensor and linkage control of the inner fan and the compressor. The dehumidification control method provided by the invention can be suitable for all equipment with dehumidification functions, such as household air conditioners, commercial air conditioners, special dehumidifiers and the like.
According to an embodiment of the dehumidification control method, the dehumidification device further comprises a control unit for controlling the air outlet device to switch to a microporous air outlet structure when the dehumidification device dehumidifies, wherein the microporous air outlet structure is an air outlet panel with micropores. Fig. 2 is a flowchart illustrating steps of a dehumidification control method according to a preferred embodiment of the present invention. When the user presses the dehumidification function key by using the remote controller, the air conditioner receives a command to enter a dehumidification mode. As shown in fig. 2, after the device enters the dehumidification mode, step S210 is first executed to switch the micro-hole air outlet structure. The air speed of the micropore air outlet structure is uniform and small, and the air is not blown to a human body to cause obvious wind feeling, so that the problem that the human body feels uncomfortable due to strong cold wind in the prior art is solved.
After step S210, step S220 of detecting relative humidity by the humidity sensor and step S230 of detecting dry bulb temperature by the temperature sensor are performed, and step S220 and step S230 may be performed in parallel.
According to an embodiment of the dehumidification control method of the present invention, the method further comprises performing, after the step S230, an optimal comfort humidity determining step S240, for determining an optimal comfort humidity at the detected indoor ambient temperature according to the detected indoor ambient temperature. Preferably, the optimal comfort humidity value may be calculated as follows (T)Ring (C)The temperature of the environment of the room is referred to,indoor relative humidity):
when T isRing (C)At a temperature of less than or equal to 20 ℃, relative humidityOptimal comfort humidity;
when 20 ℃ is less than TRing (C)At most 27 deg.C and relative humidityIs best toComfortable humidity;
when T isRing (C)Relative humidity > 27 deg.CFor optimum comfort humidity.
Referring to fig. 2, after step S220 and step S240, step S120 is performed to calculate a humidity difference and a temperature difference. Then the humidity difference and the temperature difference are used for controlling the rotating speed of the inner fan and the frequency of the compressor, and the purposes of accurately controlling temperature reduction and dehumidification are achieved. The rotating speed of the inner fan is provided with 2 or more gears (such as a low gear, a medium gear and a high gear …), and the compressor can change in full frequency band (namely a frequency converter).
As shown in fig. 2, after the calculating step of step S120, step S250 of controlling an inner fan gear of the dehumidifying apparatus according to the calculation results of the humidity difference and the temperature difference is executed, including: and placing the gears of the inner fan of the dehumidification equipment into corresponding wind gears according to the calculation results of the humidity difference and the temperature difference, wherein the corresponding wind gears are high under the condition that the humidity difference and/or the temperature difference are large, and the corresponding wind gears are low under the condition that the humidity difference and/or the temperature difference are small.
According to an embodiment of the dehumidification control method, the controlling an inner fan gear of the dehumidification device according to the calculation result of the humidity difference and the temperature difference further includes:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,is said to be wetThe difference of the degrees is that the temperature of the steel is higher,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
When △ t andthe larger the temperature is, the larger the temperature reduction required by the indoor environment temperature is and the larger the dehumidification required by the humidity is, at the moment, the larger circulating air volume is required to increase the cooling capacity and increase the dehumidification base number, and the temperature reduction can be realized by △ t andto control the speed of the inner fan to meet the dehumidification and cooling requirements for clarity, △ t is described above,The relationship with the corresponding inner fan gear is listed in table 1.
TABLE 1 inner fan gear value-taking table
According to an embodiment of the dehumidification control method, the controlling of the temperature of the evaporator inner tube according to the calculated result of the humidity difference and the temperature difference includes: and controlling the frequency of a compressor according to the calculation results of the humidity difference and the temperature difference, increasing the frequency of the compressor when the humidity difference and/or the temperature difference is increased so as to reduce the temperature of the inner pipe of the evaporator, and decreasing the frequency of the compressor when the humidity difference and/or the temperature difference is decreased so as to increase the temperature of the inner pipe of the evaporator.
As shown in fig. 2, after the calculation step of step S120, step S260 is performed to control the compressor frequency to be placed in the corresponding frequency band according to the calculation results of the humidity difference and the temperature difference.
In this embodiment, the controlling the compressor frequency according to the calculation results of the humidity difference and the temperature difference includes:
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is1≤△t<t2When in use, the frequency of the compressor is set to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
Fig. 3 is a flowchart illustrating steps of a dehumidification control method according to another preferred embodiment of the present invention. As shown in fig. 3, in this embodiment, compared to fig. 2, step S260 in fig. 2 is replaced by step S310, step S320, and step S330 in fig. 3. In this embodiment, the controlling the temperature of the tube in the evaporator according to the calculation result of the humidity difference and the temperature difference further includes: setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference; detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator; judging whether the detected temperature of the evaporator inner tube is larger than the set evaporator inner tube temperature threshold (step S310); if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to reduce the temperature of the evaporator inner tube (step S320); if the detected evaporator inner tube temperature is less than the set evaporator inner tube temperature threshold, reducing the compressor frequency to raise the control evaporator inner tube temperature (step S330).
When △ t andthe greater the temperature drop required by the indoor environment temperature and the greater the dehumidification required by the humidity condition, the lower the temperature of the inner tube of the evaporator, and the corresponding temperature threshold of the inner tube of the evaporator is set according to the humidity difference and the temperature difference, that is, the required temperature of the inner tube of the evaporator corresponding to the humidity difference and the temperature difference is set, and the compressor frequency is adjusted to reach the required temperature of the tube, so that the compressor frequency is adjusted to pass △ t and pass △ tTo control the compressor frequency Table 2 lists △ t,And a corresponding evaporator inner tube temperature.
TABLE 2 evaporator tube temperature value-taking table
In the above various embodiments, preferably, values are takent1＝5℃；t2＝10℃。
Referring to fig. 2 and 3, in an embodiment of the dehumidification control method according to the present invention, the method further includes re-executing the detecting step, the calculating step and the controlling step after a preset time threshold has elapsed, so as to achieve the purpose of closed-loop control.
The basic principle and the idea of the control method are that on one hand, the larger the temperature needs to be reduced (namely △ t is larger), the larger the circulating air quantity is needed (namely the gear of an internal fan is higher) to increase the refrigerating capacity, and on the other hand, the lower the temperature of an inner pipe of an evaporator is needed, so that the heat exchange temperature difference is increased to increase the refrigerating capacityLarger) requires larger circulating air volume (i.e. higher gear of the internal fan) to increase the dehumidification amount, and simultaneously requires lower temperature of the evaporator pipe, thereby increasing the temperature difference with the dew point temperature to increase the dehumidification amount.
The dehumidification control method provided by the invention can accurately process the indoor environment to the comfortable relative humidity corresponding to the dry-bulb temperature through direct temperature and humidity sensor detection feedback. Due to the adoption of the micropore air outlet structure, when the humidity is judged to be too high, dehumidification can be enhanced by increasing the circulating air quantity and reducing the temperature of the pipe, and meanwhile, a human body does not have obvious cold wind feeling. When the humidity is judged to be too low, only a small air quantity and a high pipe temperature are needed to reduce the dehumidification amount. If the temperature is high but the humidity is not large, only the temperature is reduced without excessive dehumidification, and accordingly a large circulating air volume and a high pipe temperature are correspondingly achieved, and accurate control over a comfortable environment and dehumidification amount is guaranteed. Compared with the prior art, the control scheme of the invention has obvious superiority, can well meet the requirements of dehumidification, cooling and comfort, and can coordinate and control the dehumidification and the cooling to achieve the aim of saving energy to the maximum extent.
In another aspect, the present invention provides a dehumidification control apparatus. Fig. 4 is an overall configuration diagram of the dehumidification control apparatus according to the present invention. As shown in fig. 4, the dehumidification control apparatus of the present invention includes: a detection unit 100 for detecting indoor relative humidity and indoor ambient temperature; a calculating unit 200, configured to calculate a humidity difference and a temperature difference, where the humidity difference is a difference between the detected indoor relative humidity and an optimal comfortable humidity, and the temperature difference is a difference between the detected indoor environment temperature and a set comfortable temperature value; and the control unit 300 is configured to control the gear of the inner fan of the dehumidification device and the temperature of the inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference.
Fig. 5 is a schematic structural diagram of a preferred embodiment of the dehumidification control device provided by the invention. As shown in fig. 5, the calculating unit 200 further includes an optimal comfort humidity determining unit 210 for determining an optimal comfort humidity at the detected indoor ambient temperature according to the temperature.
According to an embodiment of the dehumidification control apparatus of the present invention, the control unit 300 includes a wind level control subunit 310, configured to set an internal fan gear of the dehumidification device to a corresponding wind level according to the calculation result of the humidity difference and the temperature difference, where the corresponding wind level is high when the humidity difference and/or the temperature difference is large, and the corresponding wind level is low when the humidity difference and/or the temperature difference is small.
According to an embodiment of the dehumidification control apparatus of the present invention, the windshield control subunit 310 is further configured to:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
According to an embodiment of the dehumidification control apparatus of the present invention, the control unit 300 further comprises a pipe temperature control subunit 320 for controlling a compressor frequency according to the calculated results of the humidity difference and the temperature difference, wherein the compressor frequency is increased when the humidity difference and/or the temperature difference is increased to lower the evaporator inner pipe temperature, and the compressor frequency is decreased when the humidity difference and/or the temperature difference is decreased to raise the evaporator inner pipe temperature.
According to an embodiment of the dehumidification control apparatus of the present invention, the pipe temperature control subunit 320 is further configured to:
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a predetermined second temperature difference thresholdThe value is obtained.
According to an embodiment of the dehumidification control apparatus of the present invention, the pipe temperature control subunit 320 is further configured to: setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference; detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator; if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to reduce the temperature of the evaporator inner tube; and if the detected temperature of the evaporator inner tube is less than the set evaporator inner tube temperature threshold, reducing the frequency of the compressor so as to increase the temperature of the evaporator inner tube.
According to one embodiment of the dehumidification control apparatus of the present invention,t1＝5℃；t2＝10℃。
according to one embodiment of the dehumidification control apparatus of the present invention, further comprising: after a preset time threshold time has elapsed, the functions performed by the detection unit, the calculation unit, and the control unit are re-executed.
According to an embodiment of the dehumidification control apparatus of the present invention, the control unit 300 further includes an air outlet device switching subunit 330, configured to control the air outlet device to switch to a microporous air outlet structure when the dehumidification device performs dehumidification, where the microporous air outlet structure is an air outlet panel with micropores.
The invention further provides equipment with a dehumidification function, which is provided with the device in any one of the above. According to one embodiment of the apparatus having a dehumidifying function of the present invention, the apparatus includes an air conditioner or a dehumidifier. The technical scheme provided by the invention is suitable for all equipment with a dehumidification function, such as household air conditioners, commercial air conditioners, special dehumidifiers and the like.
The technical scheme of the invention realizes the accurate control of comfortable environment and dehumidification amount, has high dehumidification speed, and improves the conditions of too large or too small indoor humidity drop and non-energy-saving dehumidification. And in the aspect of hardware equipment, the air outlet device is switched to the microporous air outlet structure to ensure that the air speed is uniform, so that the use comfort is further improved, the practicability is high, and the user experience is good.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (26)

1. A dehumidification control method, comprising:
a detection step for detecting indoor relative humidity and indoor ambient temperature;
calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value;
a control step, which is used for controlling the gear of an inner fan of the dehumidification equipment and the temperature of an inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference; the interior fan gear according to the difference in humidity with the calculation result control dehumidification equipment of difference in temperature includes: according to the calculation result of the humidity difference and the temperature difference, the gear of an inner fan of the dehumidification equipment is arranged at a corresponding wind gear, the corresponding wind gear is high under the condition that the humidity difference and/or the temperature difference are large, and the corresponding wind gear is low under the condition that the humidity difference and/or the temperature difference are small;
the method also comprises the step of controlling the air outlet device to be switched to a microporous air outlet structure when the dehumidification device dehumidifies, wherein the microporous air outlet structure is an air outlet panel with micropores.
2. The method of claim 1, further comprising an optimal comfort humidity determining step for determining an optimal comfort humidity at the detected indoor ambient temperature based on the temperature.
3. The method of claim 1, wherein controlling an inner fan gear of a dehumidification device according to the calculation of the humidity difference and the temperature difference further comprises:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an internal fan of the dehumidification device is arranged in a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,to preset△ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
4. The method according to any one of claims 1-3, wherein said controlling the temperature of the evaporator inner tube based on the calculation of said humidity difference and said temperature difference comprises: and controlling the frequency of a compressor according to the calculation results of the humidity difference and the temperature difference, increasing the frequency of the compressor when the humidity difference and/or the temperature difference is increased so as to reduce the temperature of the inner pipe of the evaporator, and decreasing the frequency of the compressor when the humidity difference and/or the temperature difference is decreased so as to increase the temperature of the inner pipe of the evaporator.
5. The method of claim 4, wherein said controlling a compressor frequency based on said humidity difference and said temperature difference calculation comprises:
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to be a low frequency band;
when in useAnd t is1≤△t<t2When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
when in useAnd △ t<t1When the frequency of the compressor is set to the middle frequency band;
when in useAnd t is1≤△t<t2When in use, the frequency of the compressor is set to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is placed in a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
6. The method of claim 4, wherein said controlling an evaporator inner tube temperature based on said difference in humidity and said difference in temperature further comprises:
setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference;
detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator;
if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to control the temperature of the evaporator inner tube to be reduced; and if the detected temperature of the inner tube of the evaporator is less than the set temperature threshold value of the inner tube of the evaporator, reducing the frequency of the compressor so as to control the temperature of the inner tube of the evaporator to rise.
7. The method of claim 5, wherein said controlling an evaporator inner tube temperature based on said humidity difference and said temperature difference calculation further comprises:
setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference;
detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator;
if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to control the temperature of the evaporator inner tube to be reduced; and if the detected temperature of the inner tube of the evaporator is less than the set temperature threshold value of the inner tube of the evaporator, reducing the frequency of the compressor so as to control the temperature of the inner tube of the evaporator to rise.
8. The method according to any one of claims 3, 5, 6, 7,t1＝5℃；t2＝10℃。
9. the method of claim 4,t1＝5℃；t2＝10℃。
10. the method of any of claims 1-3, 5-7, and 9, further comprising: after a preset time threshold time has elapsed, the detecting step, the calculating step, and the controlling step are re-executed.
11. The method of claim 4, further comprising: after a preset time threshold time has elapsed, the detecting step, the calculating step, and the controlling step are re-executed.
12. The method of claim 8, further comprising: after a preset time threshold time has elapsed, the detecting step, the calculating step, and the controlling step are re-executed.
13. A dehumidification control apparatus, comprising:
a detection unit for detecting indoor relative humidity and indoor ambient temperature;
the calculating unit is used for calculating a humidity difference and a temperature difference, wherein the humidity difference is a difference value between the detected indoor relative humidity and the optimal comfortable humidity, and the temperature difference is a difference value between the detected indoor environment temperature and a set comfortable temperature value;
the control unit is used for controlling the gear of an inner fan of the dehumidification equipment and the temperature of an inner pipe of the evaporator according to the calculation result of the humidity difference and the temperature difference; the control unit comprises a wind gear control subunit, which is used for setting the gear of an inner fan of the dehumidification equipment to a corresponding wind gear according to the calculation results of the humidity difference and the temperature difference, wherein the corresponding wind gear is high under the condition of large humidity difference and/or temperature difference, and the corresponding wind gear is low under the condition of small humidity difference and/or temperature difference;
the control unit further comprises an air outlet device switching subunit, which is used for controlling the air outlet device to be switched to a microporous air outlet structure when the dehumidification equipment dehumidifies, and the microporous air outlet structure is an air outlet panel with micropores.
14. The apparatus of claim 13, wherein the computing unit further comprises an optimal comfort humidity determination unit for determining an optimal comfort humidity at the detected indoor ambient temperature based on the temperature.
15. The apparatus of claim 13, wherein the windshield control subunit is further configured to:
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a low wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
when in useAnd △ t<t1When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a middle wind gear;
when in useAnd t is1≤△t<t2When the dehumidification device is used, the gear of an inner fan of the dehumidification device is arranged at a high wind gear;
when in useAnd t is2When the wind speed is less than or equal to △ t, an inner fan gear of the dehumidification equipment is arranged at a high wind gear;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
16. The apparatus as claimed in any one of claims 13 to 15, wherein the control unit further comprises a tube temperature control subunit for controlling a compressor frequency based on the calculation of the humidity difference and the temperature difference, increasing the compressor frequency to decrease the evaporator inner tube temperature when the humidity difference and/or the temperature difference increases, and decreasing the compressor frequency to increase the evaporator inner tube temperature when the humidity difference and/or the temperature difference decreases.
17. The apparatus of claim 16, wherein the tube temperature control subunit is further configured to:
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a low frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is2Setting the frequency of the compressor at or below △ tIn the high frequency band;
when in useAnd △ t<t1Setting the frequency of the compressor to a middle frequency band;
when in useAnd t is1≤△t<t2Setting the frequency of the compressor to a high frequency band;
when in useAnd t is2When the frequency is less than or equal to △ t, the frequency of the compressor is set to a high frequency band;
wherein,in order to be said difference in humidity,is a preset first humidity difference threshold value,at a preset second humidity difference threshold value, △ t is the temperature difference, t1Is a preset first temperature difference threshold value t2Is a preset second temperature difference threshold.
18. The apparatus of claim 16, wherein the tube temperature control subunit is further configured to:
setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference;
detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator;
if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to control the temperature of the evaporator inner tube to be reduced; and if the detected temperature of the inner tube of the evaporator is less than the set temperature threshold value of the inner tube of the evaporator, reducing the frequency of the compressor so as to control the temperature of the inner tube of the evaporator to rise.
19. The apparatus of claim 17, wherein the tube temperature control subunit is further configured to:
setting a corresponding temperature threshold value of the inner tube of the evaporator according to the humidity difference and the temperature difference;
detecting the temperature of an inner tube of the evaporator through a tube temperature sensing bulb arranged on the evaporator;
if the detected temperature of the evaporator inner tube is greater than the set evaporator inner tube temperature threshold, increasing the frequency of the compressor so as to control the temperature of the evaporator inner tube to be reduced; and if the detected temperature of the inner tube of the evaporator is less than the set temperature threshold value of the inner tube of the evaporator, reducing the frequency of the compressor so as to control the temperature of the inner tube of the evaporator to rise.
20. The apparatus of any one of claims 15, 17-19,t1＝5℃；t2＝10℃。
21. the apparatus of claim 16,t1＝5℃；t2＝10℃。
22. the apparatus of any of claims 13-15, 17-19, 21, further comprising: after a preset time threshold time has elapsed, the functions performed by the detection unit, the calculation unit, and the control unit are re-executed.
23. The apparatus of claim 16, further comprising: after a preset time threshold time has elapsed, the functions performed by the detection unit, the calculation unit, and the control unit are re-executed.
24. The apparatus of claim 20, further comprising: after a preset time threshold time has elapsed, the functions performed by the detection unit, the calculation unit, and the control unit are re-executed.
25. An apparatus having a dehumidifying function, characterized by having a device as claimed in any one of claims 13 to 24.
26. The apparatus of claim 25, wherein the apparatus comprises an air conditioner or a dehumidifier.
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