CN107084500B - Air conditioner control method, air conditioner, and computer-readable storage medium - Google Patents
Air conditioner control method, air conditioner, and computer-readable storage medium Download PDFInfo
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- CN107084500B CN107084500B CN201710351195.8A CN201710351195A CN107084500B CN 107084500 B CN107084500 B CN 107084500B CN 201710351195 A CN201710351195 A CN 201710351195A CN 107084500 B CN107084500 B CN 107084500B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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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Abstract
The invention discloses an air conditioner control method, which comprises the following steps: detecting indoor ambient humidity and ambient temperature; acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, adjusting the air supply temperature of the air conditioner to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, and avoiding the generation of condensation; wherein the supply air temperature is between the set temperature of the air conditioner and the ambient temperature. The invention also discloses an air conditioner and a computer readable storage medium. The invention avoids the generation of condensation and improves the reliability of the air conditioner for adjusting the indoor environment.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method, an air conditioner and a computer readable storage medium.
Background
An air conditioner is an apparatus for adjusting an ambient humidity and an ambient temperature in a room. However, when the difference between the set temperature and the ambient temperature is large during the operation of the air conditioner, the difference between the supply air temperature of the air conditioner corresponding to the set temperature and the ambient temperature is also large, which causes condensation due to the intersection of the cold air and the hot air. The generation of condensation reduces the comfort level of indoor users, or water drops are attached to the surfaces of indoor equipment, so that the possibility of occurrence of adverse phenomena such as corrosion and short circuit of the equipment is increased, and the reliability of the air conditioner for adjusting the indoor environment is reduced.
Disclosure of Invention
The invention mainly aims to provide an air conditioner control method, which aims to solve the technical problem that condensation is easy to generate in the operation process of the air conditioner and improve the reliability of the air conditioner in adjusting the indoor environment.
In order to achieve the above object, the present invention provides an air conditioner control method, including the steps of: detecting indoor ambient humidity and ambient temperature; acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, adjusting the air supply temperature of the air conditioner to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, and avoiding the generation of condensation; wherein the supply air temperature is between the set temperature of the air conditioner and the ambient temperature.
Preferably, when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, the supply air temperature of the air conditioner is adjusted so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the step of avoiding the generation of condensation, the air conditioner control method further includes the steps of: detecting the indoor environment humidity; when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a first humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature; and when the difference between the ambient humidity and the set humidity of the air conditioner is smaller than or equal to a second humidity threshold value, controlling the air conditioner to humidify at a constant temperature, and returning to the step of detecting the indoor ambient humidity and the indoor ambient temperature.
Preferably, when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, the supply air temperature of the air conditioner is adjusted so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the step of avoiding the generation of condensation, the air conditioner control method further includes the steps of: detecting the indoor ambient temperature; comparing the supply air temperature with the set temperature when the absolute value of the difference between the supply air temperature and the ambient temperature is less than or equal to a first temperature threshold; when the absolute value of the difference between the air supply temperature and the set temperature is larger than or equal to a second temperature threshold value, adjusting the air supply temperature of the air conditioner to reduce the absolute value of the difference between the air supply temperature and the set temperature by a temperature change value; and returning to the step of detecting the ambient humidity and the ambient temperature in the room.
Preferably, after the step of comparing the supply air temperature with the set temperature, the air-conditioning control method further includes the steps of: detecting the indoor environment humidity when the absolute value of the difference between the air supply temperature and the set temperature is smaller than a second temperature threshold value; when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a third humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature; and when the difference between the ambient humidity and the set humidity of the air conditioner is less than or equal to a fourth humidity threshold value, controlling the air conditioner to humidify at constant temperature.
Preferably, the step of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes: acquiring corresponding dew point temperature according to the environment humidity, the environment temperature and a preset psychrometric chart or psychrometric table; and acquiring the condensation temperature difference according to the environment temperature and the dew point temperature.
Preferably, the step of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes: acquiring a corresponding condensation temperature difference according to the environmental humidity and a preset condensation temperature difference-environmental humidity fitting relation; the condensation temperature difference delta T and the environment humidity phi meet a relation delta T ═ Aln phi + B, A is a first fitting coefficient, and B is a second fitting coefficient.
Preferably, the first fitting coefficient A satisfies-16.4 ≦ A ≦ -16.8, and the second fitting coefficient B satisfies 74 ≦ B ≦ 78.
The present invention also provides an air conditioner, comprising: the air conditioner comprises a humidity sensor, a first temperature sensor, a second temperature sensor, a memory, a processor and an air conditioner control program which is stored on the memory and can run on the processor; the humidity sensor is electrically connected with the processor and used for detecting the indoor environment humidity; the first temperature sensor is electrically connected with the processor and used for detecting the indoor environment temperature; the second temperature sensor is electrically connected with the processor and used for detecting the air supply temperature of the air conditioner; the memory is electrically connected with the processor and used for storing the air conditioner control program; the air conditioning control program, when executed by the processor, implements steps of an air conditioning control method, the air conditioning control method including the steps of: detecting indoor ambient humidity and ambient temperature; acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, adjusting the air supply temperature of the air conditioner to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, and avoiding the generation of condensation; wherein the supply air temperature is between the set temperature of the air conditioner and the ambient temperature.
Preferably, the air conditioner comprises a shell, a heat exchange element, an auxiliary heat element, a humidifying assembly and a fan, wherein an air inlet and an air outlet are formed in the surface of the shell, and an air duct communicated with the air inlet and the air outlet is formed in the shell; the heat exchange piece is arranged in the shell and is electrically connected with the processor; the auxiliary heating element is arranged in the shell and is electrically connected with the processor; the humidifying component is arranged in the shell, the humidifying component is arranged between the heat exchange piece and the auxiliary heat piece, and the humidifying component is electrically connected with the processor; the fan is arranged in the shell and electrically connected with the processor.
Preferably, the air conditioner is a precision air conditioner.
The present invention also provides a computer-readable storage medium having stored thereon an air-conditioning control program, which when executed by a processor implements the steps of an air-conditioning control method, the air-conditioning control method including the steps of: detecting indoor ambient humidity and ambient temperature; acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, adjusting the air supply temperature of the air conditioner to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, and avoiding the generation of condensation; wherein the supply air temperature is between the set temperature of the air conditioner and the ambient temperature.
In the technical scheme of the invention, the air conditioner control method comprises the following steps: detecting indoor environment humidity and environment temperature to obtain an indoor current environment state and determine whether a high possibility of condensation exists in the current state, wherein the environment humidity and the environment temperature can be detected at multiple positions or multiple times to improve detection precision and judgment accuracy; acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature, wherein the condensation is formed by liquefying water vapor in hot air with higher humidity in the process of meeting cold air and is related to the environment humidity and the environment temperature, and the corresponding condensation temperature difference can be acquired according to the environment humidity and the environment temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is greater than or equal to the condensation temperature difference, the probability of condensation generation in the room is indicated, and the air supply temperature of the air conditioner is adjusted to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, so that condensation is avoided; the air supply temperature is between the set temperature of the air conditioner and the ambient temperature, so that the situation that the air conditioner cannot realize the set refrigerating or heating function due to the fact that the air supply temperature is excessively adjusted is avoided. According to the indoor environment adjusting method and device, the air supply temperature of the air conditioner is adjusted according to the current indoor environment state, the difference between the air supply temperature and the environment temperature is reduced to be smaller than the condensation temperature difference, so that condensation generated by water vapor liquefaction due to the fact that indoor hot air meets air supplied cold air is avoided, the comfort level of a user is improved, condensation on the surface of instrument equipment is avoided, and the reliability of the air conditioner for adjusting the indoor environment is improved.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating an embodiment of an air conditioning control method according to the present invention;
FIG. 2 is a schematic flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of an air conditioning control method according to the present invention;
FIG. 4 is a flowchart illustrating a control method of an air conditioner according to a third embodiment of the present invention;
figure 5 is a psychrometric chart of step S200 of the air conditioning control process of figure 1;
FIG. 6 is a plot of the condensation temperature difference versus relative humidity fit of step S200 of the air conditioning process of FIG. 1;
FIG. 7 is a schematic diagram of the connection of the sensors, processor and memory of an embodiment of the air conditioner of the present invention;
fig. 8 is a schematic structural view of the air conditioner of fig. 7
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Humidity sensor | 210 | First temperature sensor |
| 220 | Second temperature sensor | 300 | Memory device |
| 400 | Processor with a memory having a plurality of memory cells | 500 | Shell body |
| 510 | Air inlet | 520 | Air outlet |
| 600 | Heat exchange member | 700 | Auxiliary heating element |
| 800 | Humidifying assembly | 900 | Fan blower |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the embodiment of the present invention, as shown in fig. 1, the air conditioner control method includes the following steps:
step S100: detecting indoor ambient humidity and ambient temperature;
step S200: acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature;
step S300: when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, the air supply temperature of the air conditioner is adjusted, so that the absolute value of the difference between the air supply temperature and the environment temperature is smaller than the condensation temperature difference, and the generation of condensation is avoided.
During the operation of the air conditioner, the generation of condensation is related to the intersection process of cold air flow and hot air flow. When the hot air flow with high humidity meets the cold air flow, the water vapor in the hot air flow is liquefied when meeting the cold air flow to generate condensation. When the air conditioner operates in a refrigeration mode, the air supply temperature is lower than the ambient temperature, when the ambient humidity is higher, the water vapor in the environment meets the colder air supply and is liquefied to generate condensation, and the condensation is favorably reduced by reducing the temperature difference between the ambient temperature and the air supply temperature. When the air conditioner operates in the heating mode, the ambient temperature is lower than the air supply temperature, especially in indoor wall and the like of keeping away from the air outlet of the air conditioner, the ambient temperature is lower, when the ambient humidity is great, the vapor in the higher air of temperature meets the colder air or wall liquefaction and produces the condensation of keeping away from the air outlet under the influence of the air supply, at this moment, reduce the indoor difference in temperature through adjusting the air supply temperature, just also reduce the difference in temperature between air supply temperature and the indoor ambient temperature, be favorable to reducing the production of condensation. In the following, the technical solution of the present invention will be described by taking the cooling mode as an example, and the operation of the heating mode may be adjusted correspondingly by referring to the operation of the cooling mode, which is not described herein again.
Specifically, the indoor ambient humidity phi and the indoor ambient temperature T can be acquired through the humidity sensor and the temperature sensor, the condensation temperature difference Δ T in the current state is acquired according to the ambient humidity phi and the ambient temperature T, and the possibility of condensation generation in the room at the moment is judged by comparing the absolute value of the difference between the air supply temperature Tw and the ambient temperature T with the condensation temperature difference Δ T. When the absolute value of the difference between the air supply temperature Tw and the ambient temperature T of the air conditioner is greater than or equal to the condensation temperature difference delta T, namely | Tw-T | > delta T, the temperature difference between the air supply cold air flow and the indoor hot air flow is large, the indoor water vapor is easy to be cooled and liquefied, and the absolute value of the difference between the air supply temperature Tw and the ambient temperature T is smaller than the condensation temperature difference delta T, namely | Tw-T | < delta T by adjusting the air supply temperature Tw of the air conditioner, so that the possibility of condensation is reduced. The air supply temperature Tw is between the set temperature Ts of the air conditioner and the ambient temperature T, and in the cooling mode, the Ts is not less than Tw and not more than T, so that the air conditioner is kept in a cooling state, and the influence on the cooling effect of the air conditioner caused by excessively adjusting the air supply temperature Tw to a degree greater than the ambient temperature T is avoided. In order to improve the accuracy of the measurement of the ambient humidity phi and the ambient temperature T and enable the control of the air conditioner to be more accurate, the ambient humidity phi and the ambient temperature T can be measured at multiple indoor places, wherein the measurement of the ambient humidity phi and the ambient temperature T should avoid the interference of air supply as much as possible, or the interference of local fluctuation of the ambient humidity phi and the ambient temperature T on the measurement accuracy is reduced through multiple times of measurement, multiple-place measurement averaging and other modes. There are various ways to obtain the corresponding condensation temperature difference according to the ambient humidity phi and the ambient temperature T, for example, obtaining the condensation temperature difference by combining a psychrometric chart or an enthalpy-humidity table according to the ambient humidity phi and the ambient temperature T, or obtaining a relation curve, a relation table or a fitting formula of the ambient humidity phi and the ambient temperature T according to an experimental result, or obtaining the condensation temperature difference according to a theoretical formula between the ambient humidity phi and the ambient temperature T, which will be described in detail later.
In the technical scheme of the invention, the air conditioner control method comprises the following steps: detecting indoor environment humidity and environment temperature to obtain an indoor current environment state and determine whether a high possibility of condensation exists in the current state, wherein the environment humidity and the environment temperature can be detected at multiple positions or multiple times to improve detection precision and judgment accuracy; the condensation is formed by the liquefaction of water vapor in hot air with high humidity in the presence of cold air, is related to the environmental humidity and the environmental temperature, and can obtain the corresponding condensation temperature difference according to the environmental humidity and the environmental temperature; when the absolute value of the difference between the air supply temperature and the environment temperature is greater than or equal to the condensation temperature difference, the probability of condensation generation in the room is indicated, and the air supply temperature of the air conditioner is adjusted to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, so that condensation is avoided; the air supply temperature is between the set temperature of the air conditioner and the ambient temperature, so that the situation that the air conditioner cannot realize the set refrigerating or heating function due to the fact that the air supply temperature is excessively adjusted is avoided. According to the indoor environment adjusting method and device, the air supply temperature of the air conditioner is adjusted according to the current indoor environment state, the difference between the air supply temperature and the environment temperature is reduced to be smaller than the condensation temperature difference, so that condensation generated by water vapor liquefaction due to the fact that indoor hot air meets air supplied cold air is avoided, the comfort level of a user is improved, condensation on the surface of instrument equipment is avoided, and the reliability of the air conditioner for adjusting the indoor environment is improved.
In the first embodiment of the present invention, as shown in fig. 2, after step S300, the air-conditioning control method further includes the steps of:
step S400: detecting the indoor environment humidity;
step S510: when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a first humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
step S520: and when the difference between the ambient humidity and the set humidity of the air conditioner is smaller than or equal to a second humidity threshold value, controlling the air conditioner to perform constant temperature humidification, and returning to the step S100.
After the indoor condensation is not generated by adjusting the air supply temperature, in order to enable the indoor environment humidity to reach the set humidity of a user, the humidity can be adjusted in a constant temperature state, so that the condensation caused by temperature change is avoided. The set humidity of the air conditioner is the optimal humidity set by a user, the first humidity threshold value and the second humidity threshold value are non-negative values, and when the first humidity threshold value and the second humidity threshold value are not equal to zero, the humidity is adjusted to have a certain allowance relative to the optimal humidity so as to be adjusted. Of course, the user can also set a humidity range, the set humidity range is determined by the set humidity, the first humidity threshold and the second humidity threshold, and under the condition of low requirement on humidity accuracy, the first humidity threshold and the second humidity threshold can be correspondingly adjusted to be large, so that the capacity of humidity adjustment is increased, the adjustment is facilitated, and the reduction of energy consumption in the humidity adjustment process is facilitated.
In the second embodiment of the present invention, as shown in fig. 3, after step S300, the air conditioning control method further includes the steps of:
step S600: detecting the indoor ambient temperature;
step S710: comparing the air supply temperature with a set temperature when the absolute value of the difference between the air supply temperature and the ambient temperature is less than or equal to a first temperature threshold;
step S810: when the absolute value of the difference between the air supply temperature and the set temperature is greater than or equal to a second temperature threshold value, adjusting the air supply temperature of the air conditioner to reduce the absolute value of the difference between the air supply temperature and the set temperature by a temperature change value;
the process returns to step S100.
In the operation process of the air conditioner, in order to enable the indoor environment temperature to reach the set temperature of a user and avoid the generation of condensation, the operation can be carried out in a gradual adjusting mode. Specifically, the mode of gradually changing the air supply temperature of the air conditioner to approach the set temperature is adopted, the mode of directly setting the air supply temperature to be the set temperature is not adopted, the indoor environment temperature is gradually close to the set temperature, in each small-section adjusting process that the air supply temperature is kept unchanged, the condensation condition in the monitoring room is kept, the absolute value of the difference between the air supply temperature and the environment temperature is smaller than the condensation temperature difference, and the generation of condensation is avoided. The first temperature threshold and the second temperature threshold are tolerance margins in the temperature adjusting process, when the requirement on the accuracy of the temperature is high, the first temperature threshold and the second temperature threshold can be properly adjusted to be small, otherwise, the first temperature threshold and the second temperature threshold are properly adjusted to be large, so that the control process is simplified, and the energy consumption in the temperature adjusting process is reduced. The temperature change value can be preset in the air conditioner to be called, the temperature change value can also be changed along with the change of the condensation temperature difference, when the condensation temperature difference is large, the temperature change value can be correspondingly adjusted to be large, condensation is not easy to generate indoors at the moment, and the increase of the temperature change value is beneficial to accelerating the indoor environment temperature to be quickly adjusted to the set temperature; when the condensation temperature difference is small, the temperature change value should be correspondingly adjusted to be small, at the moment, condensation is easily generated indoors, and the indoor environment temperature should be gradually and slowly adjusted to the set temperature to avoid the generation of condensation and improve the reliability of the air conditioner for adjusting the indoor environment.
For example, the indoor initial ambient temperature T0 is 30 ℃, the initial ambient humidity Φ 0 is 80%, the set temperature Ts is 24 ℃, the condensation temperature difference Δ T0 is 3.832 ℃ from the ambient temperature T0 and the ambient humidity Φ 0, and at this time, the air is blown into the room by adjusting the air blowing temperature Tw0 to 28 ℃, and since the absolute value of the difference between the air blowing temperature and the ambient temperature, 2 ℃, is less than the current condensation temperature difference Δ T0, which is 3.832 ℃, no condensation occurs in the room. As time goes on, the ambient temperature T gradually decreases to T1, and for simplicity, it is assumed that T1 is 28 ℃, i.e., T1 is Tw0, and the ambient temperature in the room reaches the blowing air temperature, but does not reach the set temperature Ts of the user. The blower temperature Tw1 was continuously adjusted to 26 ℃, and the absolute value of the difference between the blower temperature and the set temperature was decreased. At this time, returning to step S100, the indoor environment is monitored, assuming that the detected indoor environment temperature T1 is 28 ℃, the environment humidity Φ 1 is 70%, the set temperature Ts is 24 ℃, the condensation temperature difference Δ T1 is 5.983 ℃ is obtained from the environment temperature T1 and the environment humidity Φ 1, and the absolute value 2 ℃ of the difference between the blowing air temperature Tw1 and the environment temperature T1 is smaller than the current condensation temperature difference Δ T1 is 5.983 ℃, so that condensation does not occur, and as time goes by, when the environment temperature gradually decreases to T2 which is close to the blowing air temperature Tw1, the above-mentioned step of adjusting the blowing air temperature is repeated until the absolute value of the difference between the environment temperature T and the set temperature Ts is smaller than the second temperature threshold, that is, at this time, the indoor environment temperature has satisfied the set temperature requirement of the user. It should be noted that, if the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the current condensation temperature difference during the process of adjusting the ambient temperature in the room, the supply air temperature should be appropriately adjusted to avoid the generation of condensation.
Further, in a third embodiment of the present invention, as shown in fig. 4, after the step of comparing the supply air temperature with the set temperature, the air-conditioning control method further includes the steps of:
step S820: detecting the indoor environment humidity when the absolute value of the difference between the air supply temperature and the set temperature is smaller than a second temperature threshold;
step S910: when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a third humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
step S920: and when the difference between the ambient humidity and the set humidity of the air conditioner is less than or equal to a fourth humidity threshold value, controlling the air conditioner to humidify at constant temperature.
After adjusting indoor ambient temperature to the settlement temperature, can also adjust indoor ambient humidity under the constant temperature state, make ambient humidity satisfy user's settlement humidity demand, avoid the production of condensation simultaneously. The set humidity of the air conditioner is the optimal humidity set by a user, the third humidity threshold value and the fourth humidity threshold value are non-negative values, and when the third humidity threshold value and the fourth humidity threshold value are not equal to zero, the humidity is adjusted to have a certain allowance relative to the optimal humidity so as to be adjusted. Of course, the user may also set a humidity range, which is determined by the set humidity, the third humidity threshold and the fourth humidity threshold, and under the condition of low requirement on humidity accuracy, the third humidity threshold and the fourth humidity threshold may be correspondingly increased, so as to facilitate adjustment and facilitate reduction of energy consumption in the humidity adjustment process. In a simplified example, the third humidity threshold is equal to the first humidity threshold, and the fourth humidity threshold is equal to the second humidity threshold.
Further, in the above embodiment of the present invention, step S200 includes:
step S210: acquiring corresponding dew point temperature according to the ambient humidity, the ambient temperature and a preset psychrometric chart or psychrometric table;
step S220: and acquiring condensation temperature difference according to the ambient temperature and the dew point temperature.
As shown in fig. 5, the psychrometric chart or the enthalpy-hygrometer expresses the relationship among a plurality of parameters of the humid air, such as temperature, humidity, pressure, dew point, enthalpy, and the like, the dew point temperature can be obtained from the psychrometric chart or the enthalpy-hygrometer according to the environmental humidity and the environmental temperature, the absolute value of the difference between the environmental temperature and the dew point temperature is calculated to obtain the condensation temperature difference, and the air supply temperature is adjusted according to the condensation temperature difference to avoid the generation of condensation. The psychrometric chart or the psychrometric chart can be obtained through experimental measurement or direct purchase and the like, and is stored in the air conditioner in advance to provide reference for the operation of the air conditioner.
Of course, in the above embodiment of the present invention, the condensation temperature difference may also be obtained according to a formula, and specifically, the step S200 includes:
step S230: acquiring a corresponding condensation temperature difference according to the environmental humidity and a preset condensation temperature difference-environmental humidity fitting relation; the condensation temperature difference delta T and the environment humidity phi meet the relation that delta T is Aln phi + B, A is a first fitting coefficient, and B is a second fitting coefficient.
Specifically, a and B can be obtained by fitting according to experimental results or corresponding results in a psychrometric chart, as shown in the following table, which is a relational table of the ambient temperature T, the ambient humidity Φ, and the condensation temperature difference Δ T:
as can be seen from the above table, when the ambient temperatures are different, the condensation temperature differences corresponding to the same ambient humidity are slightly different, but since the change of the condensation temperature difference is small, for the sake of simplicity, in a general ambient temperature range, i.e., 24 to 40 ℃, the fitting calculation is performed by using the average value of the condensation temperature differences at different temperatures to represent the condensation temperature difference, as shown in the following table, which is a relationship table between the ambient humidity phi and the condensation temperature difference Δ T
As shown in fig. 6, a relationship curve of the condensation temperature difference and the ambient humidity is obtained by fitting Δ T ═ Aln Φ + B according to the form of the curve. Wherein the range of the first fitting coefficient A is more than or equal to-16.4 and less than or equal to-16.8, the range of the second fitting coefficient B is more than or equal to 74 and less than or equal to 78, and the specific fitting coefficient is related to factors such as the specific environment used by the air conditioner. In this example, the fitting yields a-16.6 and B-76.90, i.e., Δ T-16.6 ln Φ +76.90, with the coefficient of certainty R of the fitting20.99, with good fit correlation. According to the formula and in combination with the environment humidity, the corresponding condensation temperature difference can be deduced, and the air supply temperature is adjusted.
As shown in fig. 7, fig. 7 is a schematic diagram illustrating connection of a sensor, a processor and a memory of an air conditioner in a hardware operating environment according to an embodiment of the present invention. The air conditioner comprises a humidity sensor 100, a first temperature sensor 210, a second temperature sensor 220, a memory 300, a processor 400 and an air conditioner control program which is stored on the memory 300 and can run on the processor 400; the humidity sensor 100 is electrically connected to the processor 400 for detecting the indoor ambient humidity; the first temperature sensor 210 is electrically connected to the processor 400 for detecting the indoor ambient temperature; the second temperature sensor 220 is electrically connected to the processor 400, and is used for detecting the air supply temperature of the air conditioner; the memory 300 is electrically connected to the processor 400 for storing an air conditioner control program; the processor 400 may be configured to call the air conditioner control program stored in the memory 300 and perform the following operations:
detecting indoor ambient humidity and ambient temperature;
acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature;
when the absolute value of the difference between the air supply temperature and the environment temperature is greater than or equal to the condensation temperature difference, the air supply temperature of the air conditioner is adjusted, so that the absolute value of the difference between the air supply temperature and the environment temperature is smaller than the condensation temperature difference, and the generation of condensation is avoided;
wherein, the air supply temperature is between the set temperature of the air conditioner and the ambient temperature.
Further, the processor 400 may call the air conditioner control program stored in the memory 300, and when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, adjust the supply air temperature of the air conditioner so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the operation of avoiding the generation of condensation, perform the following operations:
detecting the indoor environment humidity;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a first humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is smaller than or equal to a second humidity threshold value, controlling the air conditioner to perform constant temperature humidification, and returning to execute the operation of detecting the indoor ambient humidity and the indoor ambient temperature.
Further, the processor 400 may call the air conditioner control program stored in the memory 300, and when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, adjust the supply air temperature of the air conditioner so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the operation of avoiding the generation of condensation, perform the following operations:
detecting the indoor ambient temperature;
comparing the air supply temperature with a set temperature when the absolute value of the difference between the air supply temperature and the ambient temperature is less than or equal to a first temperature threshold;
when the absolute value of the difference between the air supply temperature and the set temperature is greater than or equal to a second temperature threshold value, adjusting the air supply temperature of the air conditioner to reduce the absolute value of the difference between the air supply temperature and the set temperature by a temperature change value;
returning to performing the operation of detecting the ambient humidity and the ambient temperature in the room.
Further, the processor 400 may call the air-lift control program stored in the memory 300, and after the operation of comparing the supply air temperature with the set temperature, perform the following operations:
detecting the indoor environment humidity when the absolute value of the difference between the air supply temperature and the set temperature is smaller than a second temperature threshold;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a third humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is less than or equal to a fourth humidity threshold value, controlling the air conditioner to humidify at constant temperature.
Further, the processor 400 may call the air lift control program stored in the memory 300, and the operation of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes the following operations:
acquiring corresponding dew point temperature according to the ambient humidity, the ambient temperature and a preset psychrometric chart or psychrometric table;
and acquiring the condensation temperature difference according to the environment temperature and the dew point temperature.
Further, the processor 400 may call the air lift control program stored in the memory 300, and the operation of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes the following operations:
acquiring a corresponding condensation temperature difference according to the environmental humidity and a preset condensation temperature difference-environmental humidity fitting relation;
the condensation temperature difference delta T and the ambient humidity phi meet the relation that delta T is Aln phi + B, A is a first fitting coefficient, and B is a second fitting coefficient.
Further, the first fitting coefficient A satisfies-16.4 and is more than or equal to A and is less than or equal to-16.8, and the second fitting coefficient B satisfies 74 and is more than or equal to B and is less than or equal to 78.
As shown in fig. 8, in the present embodiment, the air conditioner includes:
the air conditioner comprises a shell 500, wherein the surface of the shell 500 is provided with an air inlet 510 and an air outlet 520, an air duct communicated with the air inlet 510 and the air outlet 520 is formed inside the shell 500, indoor air enters the shell 500 of the air conditioner through the air inlet 510, and is treated and then returned to the indoor through the air outlet 520, so that the regulation and control of the indoor environment temperature and the environment humidity are realized;
the heat exchange member 600 is disposed in the casing 500, and the heat exchange member 600 is electrically connected to the processor 400 to exchange heat with air to implement cooling or heating of the air conditioner;
the auxiliary heating element 700 is arranged in the shell 500, and the auxiliary heating element 700 is electrically connected with the processor 400 to assist heating;
the humidifying assembly 800 is arranged in the shell 500, the humidifying assembly 800 is arranged between the heat exchanging element 600 and the auxiliary heat element 700, and the humidifying assembly 800 is electrically connected with the processor 400 and is used for humidifying air;
the blower 900 is disposed in the casing 500, and the blower 900 is electrically connected to the processor 400 to drive the air to flow, thereby increasing the efficiency of the air conditioner in adjusting the indoor environment.
Further, in this embodiment, the air conditioner is a precision air conditioner, and is commonly used in a machine room to keep the equipment placed in the machine room in a suitable environment, and avoid adverse effects of environments such as high temperature and high humidity on the service life of the equipment.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where an air conditioning control program is stored on the computer-readable storage medium, and when executed by a processor, the air conditioning control program implements the following operations:
detecting indoor ambient humidity and ambient temperature;
acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature;
when the absolute value of the difference between the air supply temperature and the environment temperature is greater than or equal to the condensation temperature difference, the air supply temperature of the air conditioner is adjusted, so that the absolute value of the difference between the air supply temperature and the environment temperature is smaller than the condensation temperature difference, and the generation of condensation is avoided;
wherein, the air supply temperature is between the set temperature of the air conditioner and the ambient temperature.
Further, when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, the supply air temperature of the air conditioner is adjusted so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the operation of avoiding the generation of condensation, the air conditioner control program is executed by the processor, and the following operations are also executed:
detecting the indoor environment humidity;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a first humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is smaller than or equal to a second humidity threshold value, controlling the air conditioner to perform constant temperature humidification, and returning to execute the operation of detecting the indoor ambient humidity and the indoor ambient temperature.
Further, when the absolute value of the difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, the supply air temperature of the air conditioner is adjusted so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and after the operation of avoiding the generation of condensation, the air conditioner control program is executed by the processor, and the following operations are also executed:
detecting the indoor ambient temperature;
comparing the air supply temperature with a set temperature when the absolute value of the difference between the air supply temperature and the ambient temperature is less than or equal to a first temperature threshold;
when the absolute value of the difference between the air supply temperature and the set temperature is greater than or equal to a second temperature threshold value, adjusting the air supply temperature of the air conditioner to reduce the absolute value of the difference between the air supply temperature and the set temperature by a temperature change value;
returning to performing the operation of detecting the ambient humidity and the ambient temperature in the room.
Further, after the operation of comparing the supply air temperature with the set temperature, the air conditioning control program, when executed by the processor, further performs the following operation:
detecting the indoor environment humidity when the absolute value of the difference between the air supply temperature and the set temperature is smaller than a second temperature threshold;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a third humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is less than or equal to a fourth humidity threshold value, controlling the air conditioner to humidify at constant temperature.
Further, when the air conditioning control program is executed by the processor, the operation of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes the following operations:
acquiring corresponding dew point temperature according to the ambient humidity, the ambient temperature and a preset psychrometric chart or psychrometric table;
and acquiring the condensation temperature difference according to the environment temperature and the dew point temperature.
Further, when the air conditioning control program is executed by the processor, the operation of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes the following operations:
acquiring a corresponding condensation temperature difference according to the environmental humidity and a preset condensation temperature difference-environmental humidity fitting relation;
the condensation temperature difference delta T and the ambient humidity phi meet the relation that delta T is Aln phi + B, A is a first fitting coefficient, and B is a second fitting coefficient.
Further, the first fitting coefficient A satisfies-16.4 and is more than or equal to A and is less than or equal to-16.8, and the second fitting coefficient B satisfies 74 and is more than or equal to B and is less than or equal to 78.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. 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 (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes several instructions for causing an air conditioner to perform the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An air conditioning control method, characterized by comprising the steps of:
detecting indoor ambient humidity and ambient temperature;
acquiring a corresponding condensation temperature difference according to the environment humidity and the environment temperature;
when the absolute value of the difference between the air supply temperature and the environment temperature is larger than or equal to the condensation temperature difference, adjusting the air supply temperature of the air conditioner to enable the absolute value of the difference between the air supply temperature and the environment temperature to be smaller than the condensation temperature difference, and avoiding the generation of condensation;
detecting the indoor ambient temperature;
when the absolute value of the difference between the air supply temperature and the environment temperature is smaller than or equal to a first temperature threshold value, comparing the air supply temperature with a set temperature;
when the absolute value of the difference between the air supply temperature and the set temperature is larger than or equal to a second temperature threshold value, adjusting the air supply temperature of the air conditioner to reduce the absolute value of the difference between the air supply temperature and the set temperature by a temperature change value;
returning to the step of detecting the indoor ambient humidity and ambient temperature;
wherein the supply air temperature is between the set temperature of the air conditioner and the ambient temperature.
2. The air conditioning control method according to claim 1, wherein when an absolute value of a difference between the supply air temperature and the ambient temperature is greater than or equal to the condensation temperature difference, the supply air temperature of the air conditioner is adjusted so that the absolute value of the difference between the supply air temperature and the ambient temperature is less than the condensation temperature difference, and generation of condensation is avoided, the air conditioning control method further comprising the steps of:
detecting the indoor environment humidity;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a first humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is smaller than or equal to a second humidity threshold value, controlling the air conditioner to humidify at a constant temperature, and returning to the step of detecting the indoor ambient humidity and the indoor ambient temperature.
3. The air conditioning control method according to claim 1, wherein after the step of comparing the supply air temperature with the set temperature, the air conditioning control method further comprises the steps of:
detecting the indoor environment humidity when the absolute value of the difference between the air supply temperature and the set temperature is smaller than a second temperature threshold value;
when the difference between the ambient humidity and the set humidity of the air conditioner is greater than or equal to a third humidity threshold value, controlling the air conditioner to dehumidify at a constant temperature;
and when the difference between the ambient humidity and the set humidity of the air conditioner is less than or equal to a fourth humidity threshold value, controlling the air conditioner to humidify at constant temperature.
4. The air conditioner control method according to any one of claims 1 to 3, wherein the step of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes:
acquiring corresponding dew point temperature according to the environment humidity, the environment temperature and a preset psychrometric chart or psychrometric table;
and acquiring the condensation temperature difference according to the environment temperature and the dew point temperature.
5. The air conditioner control method according to any one of claims 1 to 3, wherein the step of obtaining the corresponding condensation temperature difference according to the ambient humidity and the ambient temperature includes:
acquiring a corresponding condensation temperature difference according to the environmental humidity and a preset condensation temperature difference-environmental humidity fitting relation;
the condensation temperature difference delta T and the environment humidity phi meet a relation delta T ═ Aln phi + B, A is a first fitting coefficient, and B is a second fitting coefficient.
6. The air conditioner controlling method as claimed in claim 5, wherein the first fitting coefficient A satisfies-16.4. ltoreq. A.ltoreq-16.8, and the second fitting coefficient B satisfies 74. ltoreq. B.ltoreq.78.
7. An air conditioner, comprising: the air conditioner comprises a humidity sensor, a first temperature sensor, a second temperature sensor, a memory, a processor and an air conditioner control program which is stored on the memory and can run on the processor;
the humidity sensor is electrically connected with the processor and used for detecting the indoor environment humidity;
the first temperature sensor is electrically connected with the processor and used for detecting the indoor environment temperature;
the second temperature sensor is electrically connected with the processor and used for detecting the air supply temperature of the air conditioner;
the memory is electrically connected with the processor and used for storing the air conditioner control program;
the air conditioning control program, when executed by the processor, implements the steps of the air conditioning control method of any one of claims 1 to 6.
8. The air conditioner according to claim 7, wherein the air conditioner comprises:
the air conditioner comprises a shell, wherein the surface of the shell is provided with an air inlet and an air outlet, and an air duct communicated with the air inlet and the air outlet is formed inside the shell;
the heat exchange piece is arranged in the shell and is electrically connected with the processor;
the auxiliary heating piece is arranged in the shell and is electrically connected with the processor;
the humidifying component is arranged in the shell, is arranged between the heat exchange piece and the auxiliary heat piece and is electrically connected with the processor;
the fan is arranged in the shell and electrically connected with the processor.
9. The air conditioner according to claim 7 or 8, wherein the air conditioner is a precision air conditioner.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon an air-conditioning control program which, when executed by a processor, implements the steps of the air-conditioning control method according to any one of claims 1 to 6.
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| CN107702284B (en) * | 2017-10-09 | 2020-04-07 | 昆山璟赫机电工程有限公司 | Constant temperature and humidity system and control method thereof |
| CN107869830B (en) * | 2017-11-13 | 2020-02-28 | 珠海格力电器股份有限公司 | Air conditioner control method and device |
| CN108375186A (en) * | 2018-01-31 | 2018-08-07 | 青岛海尔空调器有限总公司 | The method, apparatus and computer storage media of the anti-condensation control of air-conditioning |
| CN108413554A (en) * | 2018-01-31 | 2018-08-17 | 青岛海尔空调器有限总公司 | The method, apparatus and computer storage media of the anti-condensation control of air-conditioning |
| CN108592303B (en) * | 2018-04-27 | 2021-04-27 | 广东美的制冷设备有限公司 | Control method of air conditioner and air conditioner |
| CN108776499A (en) * | 2018-06-29 | 2018-11-09 | 深圳彩翼光电科技有限公司 | A kind of cooling control method of projector, software and system |
| CN110319555A (en) * | 2019-06-05 | 2019-10-11 | 苏州市创建空调设备有限公司 | A kind of air-conditioning dew-forming-proof throttle and its control system |
| CN114910606A (en) * | 2021-02-09 | 2022-08-16 | 京东科技信息技术有限公司 | Gas detection method, gas detection device, electronic apparatus, and computer-readable storage medium |
| CN113701323B (en) * | 2021-09-29 | 2023-06-20 | 深圳市英威腾网能技术有限公司 | Air conditioner humidification control method, device, equipment and computer readable storage medium |
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