CN112128939B - Air conditioner dehumidification control method and device - Google Patents
Air conditioner dehumidification control method and device Download PDFInfo
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- CN112128939B CN112128939B CN202010897921.8A CN202010897921A CN112128939B CN 112128939 B CN112128939 B CN 112128939B CN 202010897921 A CN202010897921 A CN 202010897921A CN 112128939 B CN112128939 B CN 112128939B
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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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
Abstract
The invention provides an air conditioner dehumidification control method and equipment, wherein the dehumidification control method comprises the following steps: dividing a room where an indoor unit of an air conditioner is located into a plurality of areas; calculating the humidity of the plurality of areas, and taking the area with the humidity larger than a preset humidity threshold value as a target area; and judging whether a human body exists in the target area, if so, acquiring the actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature, and setting the air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and the set temperature difference threshold value. Based on the scheme provided by the invention, the area with high humidity in the room, namely the target area can be determined, the air supply direction of the intelligent air conditioner is adjusted according to the target area to reduce the humidity, and the intelligent level of the intelligent air conditioner is improved. In addition, if a human body exists in the target area, the operating frequency of the air-conditioning compressor is set according to the magnitude relation between the actually measured temperature difference and the set temperature difference threshold value. Therefore, discomfort of users can be avoided as much as possible in the dehumidification process.
Description
Technical Field
The invention relates to the field of intelligent household appliances, in particular to an air conditioner dehumidification control method and equipment.
Background
Ambient humidity is an important physical quantity that represents wetness, which has a direct impact on user comfort. In real life, the humidity of the environment can be adjusted through the dehumidification equipment.
The dehumidification equipment in the prior art is generally provided with a humidity sensor, and the dehumidification equipment dehumidifies the environment where the dehumidification equipment is located according to the humidity detected by the humidity sensor. The method has the problems of insufficient pertinence and low dehumidification efficiency.
Disclosure of Invention
The invention aims to obtain the humidity of a plurality of areas in a room, and enable an intelligent air conditioner to adjust an air supply mode according to the humidity of the plurality of areas, reduce the humidity in the room and improve the intelligent level of the intelligent air conditioner.
It is a further object of the invention to avoid discomfort to the user during dehumidification.
It is yet a further object of the present invention to rapidly reduce room humidity.
Particularly, the invention provides an air conditioner dehumidification control method which comprises the following steps:
dividing a room where an indoor unit of an air conditioner is located into a plurality of areas;
calculating the humidity of the plurality of areas, and taking the area with the humidity larger than a preset humidity threshold value as a target area;
and judging whether a human body exists in the target area, if so, acquiring an actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature, and setting an air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and a set temperature difference threshold value.
Optionally, the setting of the air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the measured temperature difference and the set temperature difference threshold includes:
controlling the indoor unit of the air conditioner to directionally supply air to the target area where the human body is located under the condition that the measured temperature is greater than the set temperature difference threshold value;
acquiring the actual measurement humidity of the target area where the human body is located, and calculating the actual measurement humidity difference between the actual measurement humidity and the preset humidity threshold value;
and carrying out feedback control on the running frequency of the compressor of the air conditioner according to the actually measured humidity difference so as to reduce the actually measured humidity difference.
Optionally, under the condition that the measured temperature is less than or equal to the set temperature difference threshold, controlling the indoor unit of the air conditioner to perform back and forth air sweeping by taking the target area where the human body is located as a central area;
and carrying out feedback control on the running frequency of the compressor of the air conditioner according to the actual measurement temperature difference between the actual measurement temperature and the set temperature difference threshold value so as to reduce the actual measurement temperature difference.
Optionally, when only one target area is provided and no human body exists in the target area, the indoor unit of the air conditioner is controlled to directionally supply air to the target area;
and acquiring the actually measured humidity of the target area, calculating the actually measured humidity difference between the actually measured humidity and the preset humidity threshold value, and performing feedback control on the running frequency of the compressor of the air conditioner according to the actually measured humidity so as to reduce the actually measured humidity difference.
Optionally, when a plurality of target areas are provided and no human body exists in each target area, the indoor unit of the air conditioner is controlled to sequentially and directionally supply air to each target area according to the sequence of the humidity of the target areas from high to low.
Optionally, the calculating the humidity of the plurality of areas comprises:
determining an amount of air water vapor in the room;
acquiring the temperatures of the plurality of areas;
and respectively calculating the humidity of each area according to the temperature of each area and the water vapor amount of the air, thereby obtaining the humidity of a plurality of areas.
Optionally, the determining the amount of air water vapor in the chamber comprises:
acquiring a first temperature and a first humidity detected by a temperature sensor and a humidity sensor arranged at a preset position in the room;
calculating the amount of air water vapor from the first temperature and the first humidity.
Optionally, said calculating said amount of air water vapor from said first temperature and first humidity comprises:
calculating a first air saturated water vapor pressure from the first temperature;
calculating a first air saturated water vapor amount from the first temperature and the first air saturated water vapor pressure;
calculating the amount of air water vapor from the first amount of air saturated water vapor and the first humidity.
Optionally, said calculating humidity of each said area according to temperature of each said area and said amount of air water vapor comprises:
for each of the zones, calculating a second air saturation water vapor pressure for the zone as a function of the temperature of the zone; and
calculating an amount of air saturated water vapor for the zone based on a second air saturated water vapor pressure for the zone and a temperature of the zone;
acquiring the ratio of the air water vapor amount to the second air saturated water vapor amount as the humidity of the area;
and traversing all the areas to obtain the humidity of the plurality of areas.
According to another aspect of the present invention, there is also provided an air conditioning dehumidification control apparatus, comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program to perform the air conditioning dehumidification control method according to any one of the above.
According to the invention, after the air water vapor amount is obtained according to the temperature and the humidity detected by the temperature sensor and the humidity sensor at a preset position, the humidity of each preset area can be calculated according to the air water vapor amount and the temperatures of a plurality of preset areas in a room detected by the infrared temperature measuring equipment. The equipment cost is low and the arrangement is convenient.
Further, compared with the prior art of intelligent household technology relative to the fields of intelligent families (smart homes), intelligent homes (smart homes), intelligent household appliances (smart home appliances), intelligent air conditioners (smart air conditioners) and the like, the scheme provided by the invention can control the intelligent air conditioners to adjust the air supply mode according to the humidity of each area in the room after calculating the humidity of the multiple areas in the room, so that the humidity of the room is reduced as soon as possible, and the intelligent level of the intelligent air conditioners is improved.
And further, controlling an indoor unit of the air conditioner to directionally supply air to the target area where the human body is located under the condition that the human body exists in the target area and the actually measured temperature is greater than the set temperature difference threshold value. Performing feedback control on the running frequency of a compressor of the air conditioner according to the actually measured humidity difference of the target area so as to reduce the actually measured humidity difference; and under the condition that the actual measurement temperature is less than the set temperature difference threshold value, the indoor unit of the air conditioner is controlled to directionally supply air to the target area where the human body is located according to the actual measurement temperature difference of the target area. Thereby avoiding discomfort brought to human body in the dehumidification process as much as possible. The intelligent level of the intelligent air conditioner is improved.
Furthermore, under the condition that no human body exists in the target area, feedback control is performed only according to the operation frequency of the compressor of the air conditioner with the actually measured humidity difference of the target area, so that the room humidity is quickly reduced. The intelligent level of the intelligent air conditioner is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a block diagram of the construction of an air conditioning dehumidification control apparatus according to an embodiment of the present invention;
FIG. 3 is a block diagram of a humidity sensing apparatus according to an embodiment of the present invention;
FIG. 4 is a flow chart of a method for multi-sensor based detection of humidity in multiple zones of a room in accordance with one embodiment of the present invention;
fig. 5 is a flowchart of an air conditioner dehumidification control method according to an embodiment of the present invention.
Detailed Description
First, an air conditioning indoor unit 100 according to an embodiment of the present invention is provided, and fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention; fig. 2 is a block diagram of the construction of an air conditioning dehumidification control apparatus according to an embodiment of the present invention; fig. 3 is a block diagram of a humidity detecting apparatus according to an embodiment of the present invention. As shown in fig. 1 to 3, a temperature sensor 200, a humidity sensor 300 and an infrared temperature measuring device 400 are disposed on the indoor unit 100. The infrared temperature measuring device 400 is located at the transverse center of the indoor unit 100 of the air conditioner, the infrared temperature measuring device 400 may be an infrared thermal imager, and the infrared temperature measuring device 400 may detect temperatures at multiple locations in a room. The temperature sensor 200 and the humidity sensor 300 may be located at the side of the infrared temperature measuring device 400. The air conditioning dehumidification control apparatus 500 includes a humidity detection apparatus 600, a memory 520, and a processor 510. The humidity sensing apparatus 600 includes a memory 620 and a processor 610. The memory 620 stores a computer program 621, and the processor 610 is configured to run the computer program 621 to obtain temperature data and humidity data respectively detected by the temperature sensor 200, the humidity sensor 300 and the infrared temperature measurement device 400, and calculate humidity of a plurality of preset areas in the room according to the obtained temperature data and humidity data. The processor 510 is configured to run a computer program 521 to adjust the air supply mode of the air conditioner according to the humidity of a plurality of preset zones.
In an embodiment of the present invention, the computer program 621 may be integrated with the computer program 521, and the processor 510 is configured to run the computer program 521 and the computer program 521 so as to calculate the humidity of a plurality of preset areas in the room and adjust the air supply mode of the air conditioner according to the humidity of the plurality of preset areas.
The plurality of preset areas may correspond to a detection range of the infrared temperature measuring device 400, the detection range is an area that is outwardly dispersed with the infrared temperature measuring device 400 as a center, and the plurality of preset areas may be a plurality of preset areas divided by a distance and a direction from the indoor unit 100 of the air conditioner. Specifically, referring to fig. 1, a plurality of preset areas, which are opposite to the center of the indoor unit 100 of the air conditioner and are from near to far, are a first area B1, a second area B1, and a third area B3; for the left direction of the center of the air-conditioning indoor unit 100, a plurality of preset regions from near to far are a fourth region a1, a fifth region a2 and a sixth region A3; the multiple preset areas from near to far corresponding to the right direction of the center of the indoor unit 100 are the seventh area C1, the eighth area C2, and the ninth area C3, respectively. The preset area is designed so as to adjust the directions of the upper and lower louvers and the left and right louvers of the indoor unit 100 of the air conditioner to directionally dehumidify the area with high humidity.
The indoor unit 100 may be a part of an intelligent air conditioner, and the air conditioning and dehumidification control device 500 may adjust the directional air supply in the area with high humidity of the indoor unit 100 to reduce the humidity in the room after detecting the humidity of the preset areas through the humidity detection device 600. Compared with the prior art in the fields of intelligent home (smart home), intelligent household appliances (smart home appliances), intelligent air conditioners (smart air conditioners) and the like, the intelligent level of the intelligent air conditioners is improved.
In one embodiment of the present invention, the infrared thermometry device 400 may also be an infrared sensor located in a plurality of predetermined zones.
Air conditioner dehumidification controlgear 500 can arrange at network side equipment such as server, high in the clouds, acquires temperature sensor 200, humidity transducer 300 and infrared temperature measurement equipment 400 through the network and detects temperature data, humidity data respectively. The air-conditioning and dehumidifying control device 500 may also be a centralized control device, and the connection modes of the air-conditioning and dehumidifying control device 500 and the plurality of sensors arranged in the room include, but are not limited to, wireless transmission, infrared transmission, ultrasonic transmission, and the like.
Based on the humidity detection device 600, the invention further provides a method for detecting the humidity of multiple areas of a room based on multiple sensors. FIG. 4 is a flow chart of a method for multi-sensor based humidity sensing in multiple zones of a room, according to one embodiment of the present invention. Referring to fig. 4, the method may include at least the following steps S102-S108.
Step S102: first temperature and first humidity detected by a temperature sensor 200 and a humidity sensor 300 disposed at a preset position in a room are acquired. The preset position may be a position where the indoor unit 100 of the air conditioner is located.
Step S104: and calculating the air water vapor amount according to the first temperature and the first humidity.
Specifically, in this step, first, the first air saturated water vapor pressure is calculated from the first temperature in accordance with:
After the first air saturated water vapor pressure is obtained, a first air saturated water vapor amount may be calculated from the first temperature and the first air saturated water vapor pressure, specifically, as follows:
After the first air saturated water vapor amount is obtained, calculating the air water vapor amount according to the first air saturated water vapor amount and the first humidity; specifically, according to:
according to
Calculating the water vapor amount of the air; wherein h1 is the first humidity, and a (t1) is the amount of air water vapor.
Step S106: the infrared temperature measuring device 400 is used for detecting and acquiring the temperatures of a plurality of preset areas in the room to obtain a plurality of second temperatures.
The second temperature is an average temperature of the preset area, the infrared temperature measurement device 400 can detect temperatures of a plurality of positions in the preset area, and the average value is calculated to obtain the average temperature of the preset area.
Step S108: and respectively calculating the second humidity of each preset area according to the second temperature and the air vapor amount of each preset area to obtain a plurality of second humidities.
In this step, for each preset area, the corresponding second humidity is calculated as follows.
First, according to
Calculating a second air saturated water vapor pressure; where t2 is the second temperature, and e _ s (t2) is the second air saturated water vapor pressure.
After a second air saturated water vapor pressure is obtained, according to
Calculating a second amount of air saturated water vapor; where a _ s (t2) is the second air saturated water vapor amount.
After the second air saturated water vapor amount is obtained, a ratio of the air water vapor amount and the second air saturated water vapor amount is obtained as the second humidity of the preset area.
And traversing each second area to obtain the second humidity of all the second areas.
Note that, a (t1) calculated in step S104 above is actually the amount of air vapor at the first temperature, but since the air is uniform, the amounts of air vapor at the second temperature and the first temperature are considered to be the same.
In the above embodiment, the humidity of the plurality of areas in the room can be obtained only by the humidity sensor 300 of the temperature sensor 200 and the infrared temperature measuring device 400, and the device is low in cost and convenient to arrange.
In an embodiment of the present invention, after the second humidity of the plurality of preset areas is obtained, whether a target area exists in the plurality of preset areas may be determined, where the humidity of the target area is greater than a preset humidity threshold. If the humidity information exists, the target area is output to an interface for displaying the position information and the humidity information of the target area so as to prompt a user, and the user is prevented from entering an area with high humidity in a room.
Based on the above-mentioned air conditioner dehumidification control device 500, the present invention also proposes an air conditioner dehumidification control method. Fig. 5 is a flowchart of an air conditioner dehumidification control method according to an embodiment of the present invention. Referring to fig. 5, the method includes:
step S202: the room in which the indoor unit 100 of the air conditioner is located is divided into a plurality of areas.
The plurality of regions are a plurality of preset regions mentioned above.
S204: calculating the humidity of the plurality of areas, and taking the area with the humidity larger than a preset humidity threshold value as a target area.
Wherein the humidity of the plurality of zones is calculated according to the above steps S102-S108.
The preset humidity threshold may be determined according to practical experience, such as gold humidity 58%, or may be set by a user.
S206: and judging whether a human body exists in the target area, if so, acquiring the actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature, and setting the air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and the set temperature difference threshold value.
Wherein, whether a human body exists in the target area can be detected by the infrared temperature measuring device 400.
And under the condition that a human body exists in the target area, acquiring the actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature, and setting the air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and the set temperature difference threshold value. The influence of the dehumidification process on the comfort of a user can be avoided as much as possible.
In one embodiment of the present invention, as mentioned above in step S160: and acquiring an actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature, and setting an air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and a set temperature difference threshold value. The method specifically comprises the following steps: controlling the indoor unit 100 of the air conditioner to directionally supply air to a target area where the human body is located under the condition that the measured temperature is greater than the set temperature difference threshold value; acquiring the actual measurement humidity of a target area where a human body is located, and calculating the actual measurement humidity difference between the actual measurement humidity and a preset humidity threshold value; and performing feedback control on the running frequency of the compressor of the air conditioner according to the actually measured humidity difference so as to reduce the actually measured humidity difference. And under the condition that the actual measurement temperature is less than or equal to the set temperature difference threshold value, controlling the air-conditioning indoor unit 100 to perform back and forth air sweeping by taking a target area where a human body is located as a central area, and performing feedback control on the running frequency of a compressor of the air conditioner according to the actual measurement temperature difference between the actual measurement temperature and the set temperature difference threshold value so as to reduce the actual measurement temperature difference.
According to the invention, for the target area where the human body is located, under the condition that the actual measurement temperature difference is larger than the set temperature difference, the air is directionally supplied to the target area, and the feedback control is carried out on the operation frequency of the compressor of the air conditioner according to the actual measurement humidity difference so as to reduce the actual measurement humidity difference. And under the condition that the actually measured temperature difference is smaller than the set temperature difference, the target area is swept back and forth, and the running frequency of the compressor of the air conditioner is subjected to feedback control according to the actually measured temperature difference so as to reduce the actually measured temperature difference. Therefore, the targeted area can be dehumidified directionally on the premise of ensuring the comfort of the user.
Specifically, PID control may be employed in feedback control of the operating frequency of the compressor of the air conditioner.
When the measured temperature is greater than the set temperature difference, the method comprises the following steps:
f1 ═ f + kp1 × D1(n) + ki1 × e1(n) + kd1 (D1(n) -D1(n-1)) calculates a first target operating frequency, and controls the compressor to operate at the first target frequency.
Wherein, D1(n) ═ e1(n) -e1(n-1), D1(n-1) ═ e1(n-1) -e1 (n-2); n is the control times corresponding to PID, f1 is a first target operation frequency, f is the actual operation frequency of the compressor, kp1 is a first proportional control quantity, ki1 is a first integral control quantity, kd1 is a first derivative control quantity, D1(n) is a first humidity deviation of the measured humidity difference and the first humidity difference determined last time, D1(n-1) is a second humidity deviation of the first humidity difference and the second humidity difference determined last time, e1(n) is the measured humidity difference, e1(n-1) is the first humidity difference, and e1(n-2) is the second humidity difference.
When the measured temperature is smaller than the set temperature difference, the following steps are carried out:
f2 ═ f + kp2 × D2(n) + ki2 × e2(n) + kd2 — (D2(n) -D2(n-1) calculates a second target frequency, and controls the compressor to operate at the second target frequency.
Wherein, D2(n) ═ e2(n) -e2(n-1), D2(n-1) ═ e2(n-1) -e2 (n-2); f2 is a second target operating frequency, kp2 is a second proportional control quantity, ki2 is a second integral control quantity, kd2 is a second derivative control quantity, D2(n) is a first temperature deviation of the measured temperature difference and a first temperature difference determined last time, D2(n-1) is a second temperature deviation of the first temperature difference and a second temperature difference determined last time, e2(n) is the measured temperature difference, e2(n-1) is the first temperature difference, and e2(n-2) is the second temperature difference.
kp1, kp2, ki1, ki2, kd1 and kd2 can be calculated coefficients stored in the air conditioner in advance, and the calculated coefficients can be obtained by summarizing debugging data of a large number of policy experiments before air conditioner products are shipped from a factory.
It should be noted that, in practical applications, other feedback control manners may also be adopted to adjust the operating frequency of the air conditioner compressor, and the present invention is not illustrated.
In an embodiment of the present invention, when there is only one target area and there is no human body in the target area, the indoor unit 100 of the air conditioner is controlled to directionally supply air to the target area; and acquiring the actual measurement humidity of the target area, calculating the actual measurement humidity difference between the actual measurement humidity and a preset humidity threshold value, and performing feedback control on the running frequency of the compressor of the air conditioner according to the actual measurement humidity difference so as to reduce the actual measurement humidity difference. Under the condition that no human body exists in the target area, the feedback control can be directly carried out on the operating frequency of the air conditioner compressor according to the actually measured humidity difference of the target area, and directional air supply is carried out on the target area, so that the humidity of the target area can be reduced as soon as possible, and further the indoor humidity can be reduced rapidly.
Referring to fig. 1, in one example, if the predetermined humidity threshold is 60%. The fourth area a1 is the target area if the measured humidity of the detected fourth area a1 in the plurality of preset areas is 70%. The deviation of the measured humidity between the measured humidity of the fourth zone and the preset humidity threshold is 10%. And then, performing feedback control on the operating frequency of the compressor according to the actually measured humidity deviation of 10%, and controlling the upper louver and the lower louver of the air-conditioning indoor unit 100 to swing downwards to the lowest position, and controlling the left louver and the right louver to swing leftwards to the leftmost position so as to directionally supply air to the fourth area A1, so as to reduce the humidity of the fourth area A1 as soon as possible, thereby reducing the humidity in the room.
In an embodiment of the present invention, when there are a plurality of target areas and no human body exists in each target area, the indoor air conditioner 100 is controlled to sequentially and directionally supply air to each target area according to the sequence of the humidity of the target areas from high to low. Specifically, for each target area, the operation frequency of the compressor of the air conditioner can be subjected to feedback control according to the humidity difference, and after the humidity of the target area acted by the air conditioner is reduced to a preset humidity threshold value, the air conditioner stops directionally supplying air to the area. And then, carrying out feedback control on the running frequency of the compressor of the air conditioner according to the humidity difference of the next target area and enabling the air conditioner to start to directionally supply air to the next target area.
Referring to fig. 1, if the predetermined humidity threshold is 60%. The measured humidities of the fourth area a1 and the first area B1 were detected as 70% and 80%, respectively, and then the first area B1 and the fourth area a1 were both target areas. Neither the first region B1 nor the fourth region a1 is occupied by a human body. The first zone B1 may then be preferentially dehumidified in order of humidity from high to low. The actually measured humidity deviation between the first area B1 and the preset humidity threshold is 20%, and then the operation frequency of the compressor is feedback-controlled according to the actually measured humidity deviation of 20%, and the upper and lower louvers of the indoor unit 100 of the air conditioner are controlled to swing downwards to the lowest position, and the left and right louvers swing to be over against the front of the indoor unit of the air conditioner, so as to directionally supply air to the first area B1. After the humidity of the first zone B1 was reduced to 60%, the fourth zone a1 was dehumidified.
The method has the advantages that the target area with high humidity is subjected to directional air supply, so that the humidity of the target area can be reduced as soon as possible, and the indoor humidity can be reduced rapidly.
According to the scheme provided by the invention, the humidity of a plurality of preset areas in the room can be acquired according to the humidity sensor 300, the temperature sensor 200 and the infrared temperature measurement sensor in the room. The equipment cost is low and the arrangement is convenient. For a target area with humidity greater than a preset humidity threshold, the position information and humidity information of the target area of the user can be prompted to avoid the user from reaching the target area. For the target area, the intelligent air conditioner can be controlled to directionally supply air to the target area, so that the humidity in the room is reduced as soon as possible, and the intelligent level of the intelligent air conditioner is improved. In addition, under the condition that a human body exists in the target area, the actual measurement temperature difference between the temperature of the target area where the human body is located and the target temperature is obtained, and the air supply mode of the air conditioner to the target area where the human body is located is set according to the magnitude relation between the actual measurement temperature difference and the set temperature difference threshold value. The discomfort brought to the user in the dehumidification process can be avoided. In addition, under the condition that no human body exists in the target area and the target areas are multiple, the intelligent air conditioner can be controlled to sequentially and directionally supply air to each target area according to the sequence from high humidity to low humidity of the target areas, and therefore the humidity of a room can be reduced as soon as possible.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. An air conditioner dehumidification control method comprises the following steps:
dividing a room where an indoor unit of an air conditioner is located into a plurality of areas;
calculating the humidity of the plurality of areas, and taking the area with the humidity larger than a preset humidity threshold value as a target area;
judging whether a human body exists in the target area, if so, acquiring an actual measurement temperature difference between the temperature of the target area where the human body is located and a target temperature, and setting an air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the actual measurement temperature difference and a set temperature difference threshold;
if the actually measured temperature difference is larger than the set temperature difference threshold value, the indoor unit of the air conditioner is controlled to directionally supply air to the target area where the human body is located;
if the actually measured temperature difference is smaller than or equal to the set temperature difference threshold value, controlling the indoor unit of the air conditioner to perform back and forth air sweeping by using the center of the target area where the human body is located; performing feedback control on the running frequency of a compressor of the air conditioner according to the measured temperature difference so as to reduce the measured temperature difference;
if a plurality of target areas are provided and no human body exists in each target area, the indoor unit of the air conditioner is controlled to sequentially and directionally supply air to each target area according to the sequence of the humidity of the target areas from high to low.
2. The air conditioner dehumidification control method according to claim 1, wherein the setting of the air supply mode of the air conditioner to the target area where the human body is located according to the magnitude relation between the measured temperature difference and the set temperature difference threshold value comprises:
if the measured temperature difference is larger than the set temperature difference threshold value, obtaining the measured humidity of the target area where the human body is located, and calculating the measured humidity difference between the measured humidity and the preset humidity threshold value;
and carrying out feedback control on the running frequency of the compressor of the air conditioner according to the actually measured humidity difference so as to reduce the actually measured humidity difference.
3. The air conditioner dehumidification control method as defined in claim 1, wherein,
controlling the indoor unit of the air conditioner to directionally supply air to the target area under the condition that only one target area exists and no human body exists in the target area;
and acquiring the actually measured humidity of the target area, calculating the actually measured humidity difference between the actually measured humidity and the preset humidity threshold value, and performing feedback control on the running frequency of the compressor of the air conditioner according to the actually measured humidity difference so as to reduce the actually measured humidity difference.
4. The air conditioner dehumidification control method as recited in claim 1, wherein said calculating humidity of the plurality of zones comprises:
determining an amount of air water vapor in the room;
acquiring the temperatures of the plurality of areas;
and respectively calculating the humidity of each area according to the temperature of each area and the water vapor amount of the air, thereby obtaining the humidity of a plurality of areas.
5. The air conditioner dehumidification control method of claim 4, wherein the determining an amount of air water vapor within the room comprises:
acquiring a first temperature and a first humidity detected by a temperature sensor and a humidity sensor arranged at a preset position in the room;
calculating the amount of air water vapor from the first temperature and the first humidity.
6. The method of claim 5, said calculating said amount of air water vapor from said first temperature and first humidity, comprising:
calculating a first air saturated water vapor pressure from the first temperature;
calculating a first air saturated water vapor amount from the first temperature and the first air saturated water vapor pressure;
calculating the amount of air water vapor from the first amount of air saturated water vapor and the first humidity.
7. The air conditioning dehumidification control method according to claim 4, wherein said calculating humidity of each of said zones separately from temperature of each of said zones and said amount of air water vapor comprises:
for each of the zones, calculating a second air saturation water vapor pressure for the zone as a function of the temperature of the zone; and
calculating a second amount of air saturated water vapor for the zone based on a second air saturated water vapor pressure for the zone and a temperature of the zone;
acquiring the ratio of the air water vapor amount to the second air saturated water vapor amount as the humidity of the area;
and traversing all the areas to obtain the humidity of the plurality of areas.
8. An air conditioning dehumidification control apparatus comprising a memory having a computer program stored therein and a processor configured to run the computer program to perform the air conditioning dehumidification control method of any one of claims 1 to 7.
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| CN114738962B (en) * | 2022-04-28 | 2023-10-13 | Tcl空调器(中山)有限公司 | Air conditioner control method, device, equipment and storage medium |
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