CN115143588B - Control method of air conditioning system and air conditioning system - Google Patents
Control method of air conditioning system and air conditioning system Download PDFInfo
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- CN115143588B CN115143588B CN202210822692.2A CN202210822692A CN115143588B CN 115143588 B CN115143588 B CN 115143588B CN 202210822692 A CN202210822692 A CN 202210822692A CN 115143588 B CN115143588 B CN 115143588B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- 230000001276 controlling effect Effects 0.000 claims description 25
- 238000005259 measurement Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010583 slow cooling Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
-
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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
Abstract
The invention discloses a control method of an air conditioning system and the air conditioning system, wherein the control method of the air conditioning system comprises the following steps: detecting environmental parameters of an air conditioning system in a sleep mode of the air conditioning system; when the temperature parameter in the environment parameters is in a preset interval, determining the control action of the air conditioning system according to the magnitude of the temperature parameter; calculating a temperature change value between the temperature parameters detected before and after the two times and/or a humidity difference between a humidity parameter in the environment parameters and a set humidity value to determine a target parameter of the control action; and adjusting the running state of the air conditioning system according to the target parameter. Compared with the prior art, the invention can stabilize humidity while controlling temperature and improve user comfort.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a control method of an air conditioning system and the air conditioning system.
Background
At present, all domestic air conditioners have a sleep mode, but the control mode adopted generally is temperature control, however, when a user uses sleep, the user generally uses the air conditioner at night and the set temperature is higher, the air conditioner enters low-frequency operation relatively quickly, and when the type selection is bigger, the user can frequently start and stop the machine. In the sleep mode, indoor humidity gradually rises due to indoor and outdoor humidity difference, human breath and the like, meanwhile, indoor evaporation temperature is higher than dew point temperature during low-frequency operation, the indoor humidity gradually rises, users feel stuffy, the users can adjust down set temperature, the indoor temperature is reduced, users feel cold, meanwhile, the low-frequency operation is stopped at a temperature point, the indoor humidity rapidly rises, the temperature slowly rises, the users feel stuffy, the compressor is restarted, the temperature and humidity are gradually reduced, the users feel cold again, and the indoor temperature and the humidity are greatly fluctuated during a sleep period and are uncomfortable to use.
Therefore, how to design a control method of an air conditioning system and the air conditioning system, so as to improve sleeping comfort of a user is a technical problem to be solved in the industry.
Disclosure of Invention
Aiming at the problem that in the prior art, the indoor temperature and humidity of an air conditioning system fluctuate greatly in a sleep period, the invention provides a control method of the air conditioning system and the air conditioning system.
The technical scheme of the invention is that a control method of an air conditioning system is provided, comprising the following steps:
detecting environmental parameters of an air conditioning system in a sleep mode of the air conditioning system;
when the temperature parameter in the environment parameters is in a preset interval, determining the control action of the air conditioning system according to the magnitude of the temperature parameter;
calculating a temperature change value between the temperature parameters detected before and after the two times and/or a humidity difference between a humidity parameter in the environment parameters and a set humidity value to determine a target parameter of the control action;
and adjusting the running state of the air conditioning system according to the target parameter.
Further, determining a control action of the air conditioning system according to the magnitude of the temperature parameter includes:
a first comparison relation between a temperature parameter interval and the control action is established in advance;
judging a temperature parameter interval in which the temperature parameter is located;
and determining the control action of the air conditioning system according to the first control relation.
Further, calculating a temperature change value between the two detected temperature parameters and/or a humidity difference between a humidity parameter in the environmental parameters and a set humidity value to determine a target parameter of the control action includes:
a second comparison relation between a temperature change value interval and/or a humidity difference interval and the target parameter is pre-established;
calculating the temperature change value and/or the humidity difference, and judging a temperature change value interval in which the temperature change value is located and/or a humidity difference interval in which the humidity difference is located;
and determining the target parameter according to the second control relation.
Further, when the temperature parameter is between a first preset temperature and a second preset temperature, the target parameter is a target rotational speed of an inner fan of the air conditioning system, and the control action includes:
calculating the humidity difference and judging a humidity difference interval in which the humidity difference is located;
determining a target rotating speed of an inner fan of the air conditioning system according to the second comparison relation;
and adjusting the rotating speed of an inner fan of the air conditioning system to be at a target rotating speed.
Further, when the temperature parameter is between a second preset temperature and a third preset temperature, the target parameter is a target operating frequency of the air conditioning system and a target rotational speed of an inner fan of the air conditioning system, and the control action includes:
calculating the temperature change value and the humidity difference, and judging a temperature change value interval in which the temperature change value is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
Further, when the temperature parameter is between a third preset temperature and a fourth preset temperature, the target parameter is a target operating frequency of the air conditioning system and a target rotational speed of an inner fan of the air conditioning system, and the control action includes:
calculating the temperature change value and the humidity difference, and judging a temperature change value interval in which the temperature change value is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
Further, when the temperature parameter is between a fourth preset temperature and a fifth preset temperature, the target parameter is a target operating frequency of the air conditioning system and a target rotational speed of an inner fan of the air conditioning system, and the control action further includes:
a third comparison relation between a temperature difference value interval of the current temperature parameter and the fourth preset temperature and the target operating frequency is established in advance;
calculating a temperature difference value and the humidity difference of the current temperature parameter and the fourth preset temperature, and judging a temperature difference value interval in which the temperature difference value of the current temperature parameter and the fourth preset temperature is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation and the third comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
Further, the first preset temperature is a lower limit value of the preset interval, the fifth preset temperature is an upper limit value of the preset interval, the second preset temperature is greater than the first preset temperature, the third preset temperature is greater than the second preset temperature, the fourth preset temperature is greater than the third preset temperature, and the fifth preset temperature is greater than the fourth preset temperature.
Further, when the temperature parameter of the environmental parameters is lower than the lower limit value of the preset interval, the air conditioning system control method further includes:
and closing the compressor and the external fan of the air conditioning system to enable the internal fan of the air conditioning system to operate in a mute mode.
Further, when the temperature parameter of the environmental parameters is higher than the upper limit value of the preset interval, the air conditioning system control method further includes:
the operation frequency of the compressor of the air conditioning system is controlled to be at the upper limit of the operation frequency of the air conditioning system in the sleep mode, and the rotation speed of the inner fan of the air conditioning system is controlled to be at the upper limit of the rotation speed of the air conditioning system in the sleep mode.
The invention further provides an air conditioning system, and the air conditioning system adopts the control method of the air conditioning system.
Compared with the prior art, the invention has at least the following beneficial effects:
the temperature is controlled in a sectional mode, when the indoor temperature is high, the frequency of the compressor is increased, the rotating speed of the inner fan is controlled, the indoor speed is enabled to be fast to be near the set temperature, the frequency of the compressor and the rotating speed of the inner fan are adjusted according to the temperature change rate and the humidity difference, the indoor temperature is enabled to be maintained in a stable state, and when the indoor temperature is separated from the set temperature range, the rotating speed of the inner fan and the frequency of the compressor are adjusted according to the indoor temperature and the set temperature difference, and the indoor temperature is enabled to return to the set temperature range. The invention can stabilize humidity while controlling temperature, and improve comfort level of users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a control flow diagram of the overall invention;
fig. 2 is a schematic structural diagram of the whole present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Thus, reference throughout this specification to one feature will be used in order to describe one embodiment of the invention, not to imply that each embodiment of the invention must be in the proper motion. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.
The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.
In the sleep mode, indoor humidity gradually rises due to indoor and outdoor humidity difference, human breath and the like, meanwhile, indoor evaporation temperature is higher than dew point temperature during low-frequency operation, the indoor humidity gradually rises, users feel stuffy, the users can adjust down set temperature, the indoor temperature is reduced, users feel cold, meanwhile, the low-frequency operation is stopped at a temperature point, the indoor humidity rapidly rises, the temperature slowly rises, the users feel stuffy, the compressor is restarted, the temperature and humidity are gradually reduced, the users feel cold again, and the indoor temperature and the humidity are greatly fluctuated during a sleep period and are uncomfortable to use. The invention aims at providing a control method of an air conditioning system, and simultaneously stabilizing humidity while controlling temperature and improving comfort level of users.
The control method provided by the invention comprises the following steps:
detecting environmental parameters of the air conditioning system when the air conditioning system is in a sleep mode;
when the temperature parameter in the environment parameters is in a preset interval, determining the control action of the air conditioning system according to the magnitude of the temperature parameter;
calculating a temperature change value between the temperature parameters detected before and after the two times and/or a humidity difference between a humidity parameter in the environment parameters and a set humidity value to determine a target parameter of the control action;
and adjusting the running state of the air conditioning system according to the target parameters.
Wherein, confirm the control action of the air conditioning system according to the magnitude of the temperature parameter, include:
a first comparison relation between a temperature parameter interval and a control action is established in advance;
judging a temperature parameter interval of the temperature parameter;
and determining the control action of the air conditioning system according to the first comparison relation.
Referring to fig. 1, the preset intervals are divided into four intervals according to the magnitude of the temperature parameter, namely [ T1, T2), [ T2, T3), [ T3, T4), [ T4, T5 ], wherein T1 is a first preset temperature, T2 is a second preset temperature, T3 is a third preset temperature, and T4 is a fourth preset temperature, wherein each interval corresponds to a control action, and four intervals correspond to four different actions, which only need to determine corresponding execution actions according to the magnitude of the temperature parameter. The target parameters for controlling the action adjustment are determined according to the temperature change value and/or the humidity difference, so that the humidity is stabilized while the temperature is controlled, and the comfort level of a user is improved.
Specifically, the four control actions are respectively quick temperature rise and humidity stabilization control, slow temperature rise and humidity control, slow temperature reduction and humidity control and quick temperature reduction and humidity stabilization control, the first comparison relation is shown in fig. 1, the four temperature intervals correspond to one control action, and when the temperature parameter is in the interval [ T1, T2 ], the quick temperature rise and humidity stabilization control is adopted; when the temperature parameter is in the interval [ T2, T3 ], adopting slow temperature rise humidity control; when the temperature parameter is in the interval [ T3T4 ], adopting slow cooling humidity control; when the temperature parameter is in the interval [ T4T5 ], the rapid cooling and humidity stabilizing control is adopted. After the temperature parameter is detected, the corresponding control action can be determined only by determining the temperature parameter interval in which the temperature parameter is located.
Further, after determining the corresponding control action, a specific control target parameter needs to be determined, specifically, the detected environmental parameter includes a temperature parameter and a humidity parameter, when determining the control action target parameter, the environmental parameter needs to be determined according to the temperature parameter and the humidity parameter, and the temperature change value between the two detected temperature parameters and/or the humidity difference between the humidity parameter in the environmental parameter and the set humidity value is calculated to determine the control action target parameter, which includes:
a second comparison relation between the temperature change value interval and/or the humidity difference interval and the target parameter is pre-established;
calculating a temperature change value and/or a humidity difference, and judging a temperature change value interval in which the temperature change value is located and/or a humidity difference interval in which the humidity difference is located;
and determining the target parameter according to the second comparison relation.
The target parameters to be considered are different for different control actions, wherein when the temperature parameter is between a first preset temperature T1 and a second preset temperature T2, the control action is a rapid temperature-rise and humidity-stabilizing control action, the target parameter is a target rotating speed of an inner fan of the air conditioning system, and the control action under the condition comprises:
calculating a humidity difference, and judging a humidity difference interval in which the humidity difference is located;
determining a target rotating speed of an inner fan of the air conditioning system according to the second comparison relation;
and adjusting the rotating speed of an inner fan of the air conditioning system to be at a target rotating speed.
The following table shows the second control relationship under the rapid temperature rise and humidity stabilization control action:
| difference range | Regulating rotational speed |
| ΔD＜-5 | +m3 |
| -5≤ΔD＜-3 | +m2 |
| -3≤ΔD＜-1 | +m1 |
| -1≤ΔD＜1 | 0 |
| 1≤ΔD＜3 | -m1 |
| 3≤ΔD＜5 | -m2 |
| ΔD＞5 | -m3 |
The Δd is a humidity difference, when the humidity difference is smaller than 0, it indicates that the current humidity parameter is smaller than the set humidity value, when the humidity difference is larger than 0, it indicates that the current humidity parameter is larger than the set humidity value, the unit of the humidity difference in the table is kg/m, the adjusted target rotation speed value can be predetermined according to the actual measurement result, "+" before the rotation speed indicates that the rotation speed is increased during adjustment, and "-" indicates that the rotation speed is reduced during adjustment. The control action is that firstly, the difference delta D between the humidity parameter and the set humidity is calculated, when delta D is less than-5, the rotation speed of the inner fan is controlled to be increased by m3, when delta D is less than or equal to 5 and less than-3, the rotation speed of the inner fan is controlled to be increased by m2, when delta D is less than or equal to-3 and less than-1, the rotation speed of the inner fan is controlled to be unchanged, when delta D is less than or equal to-1 and less than 1, the rotation speed of the inner fan is controlled to be reduced by m1, when delta D is less than or equal to 3 and less than 5, the rotation speed of the inner fan is controlled to be reduced by m2, and when delta D is more than 5, the rotation speed of the inner fan is controlled to be reduced by m3.
When the temperature parameter is between the second preset temperature and the third preset temperature, the control action is a slow heating and humidity control action, and the target parameter at the moment is a target operating frequency of the air conditioning system and a target rotating speed of a fan in the air conditioning system, wherein the target operating frequency is determined according to a second comparison relation and a temperature change value, the target rotating speed is determined according to the second comparison relation and a humidity difference, and the control action in the case comprises:
calculating a temperature change value and a humidity difference, and judging a temperature change value interval in which the temperature change value is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of the inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at a target operating frequency and the rotating speed of the inner fan to be at a target rotating speed.
The second comparison relationship under the slow temperature rise and humidity control action is shown in the following table:
the delta D is a humidity difference, when the humidity difference is smaller than 0, the delta D indicates that the current humidity parameter is smaller than the set humidity value, and when the humidity difference is larger than 0, the delta D indicates that the current humidity parameter is larger than the set humidity value; delta T represents a temperature change value, which when the temperature change value is less than 0 indicates that the current temperature is reduced compared to the temperature at the previous time, and when the temperature change value is greater than 0 indicates that the current temperature is increased compared to the temperature at the previous time. The humidity difference unit is kg/m, the temperature change value unit is DEG C, and the adjusted target rotating speed value and the target operating frequency value can be predetermined according to the actual measurement result. When the rotation speed value is larger than 0, the rotation speed is indicated to be increased during adjustment, when the rotation speed value is smaller than 0, the rotation speed is indicated to be reduced during adjustment, when the operation frequency value is larger than 0, the operation frequency is indicated to be increased during adjustment, and when the operation frequency value is smaller than 0, the operation frequency is indicated to be reduced during adjustment. The target operating frequency is determined according to the interval where the temperature change value is located, the target rotating speed is determined according to the interval where the humidity difference is located, specifically, when the temperature is reduced faster, namely DeltaT < -1.5, the operating frequency is controlled to be reduced by-n 3, when DeltaT < -1 is less than or equal to-1.5, the operating frequency is controlled to be reduced by-n 2, and when DeltaT < -0.5 is less than or equal to-1, the operating frequency is controlled to be reduced by-n 1; when the temperature difference value between the temperature and the previous temperature is minus 0.5 and less than or equal to delta T and less than 0.5, the temperature is maintained in the interval, and the frequency is not changed; when delta T is more than or equal to 0.5 and less than 1, controlling the operation frequency to rise by n1, when delta T is more than or equal to 1.5, controlling the operation frequency to rise by n2, and when delta T is more than 1.5, controlling the operation frequency to rise by n3;
similarly, when ΔD is less than or equal to-5, the rotation speed of the inner fan is controlled to be increased by m3, when ΔD is less than or equal to 5 and less than or equal to-3, the rotation speed of the inner fan is controlled to be increased by m2, when ΔD is less than or equal to-3 and less than or equal to-1, the rotation speed of the inner fan is controlled to be unchanged, when ΔD is less than or equal to-1 and less than or equal to 3, the rotation speed of the inner fan is controlled to be reduced by m1, when ΔD is less than or equal to 3 and less than or equal to 5, the rotation speed of the inner fan is controlled to be reduced by m2, and when ΔD is more than 5, the rotation speed of the inner fan is controlled to be reduced by m3.
When the temperature parameter is between the third preset temperature and the fourth preset temperature, the control action is a slow cooling and humidity control action, and the target parameter at the moment is a target operating frequency of the air conditioning system and a target rotating speed of a fan in the air conditioning system, wherein the target operating frequency is determined according to a second comparison relation and a temperature change value, the target rotating speed is determined according to the second comparison relation and a humidity difference, and the control action in the case comprises:
calculating a temperature change value and a humidity difference, and judging a temperature change value interval of the temperature change value and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of the inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at a target operating frequency and the rotating speed of the inner fan to be at a target rotating speed.
The second comparison relation under the action of slow cooling and humidity control is shown in the following table:
the delta D is a humidity difference, when the humidity difference is smaller than 0, the delta D indicates that the current humidity parameter is smaller than the set humidity value, and when the humidity difference is larger than 0, the delta D indicates that the current humidity parameter is larger than the set humidity value; delta T represents a temperature change value, which when the temperature change value is less than 0 indicates that the current temperature is reduced compared to the temperature at the previous time, and when the temperature change value is greater than 0 indicates that the current temperature is increased compared to the temperature at the previous time. The humidity difference unit is kg/m, the temperature change value unit is DEG C, and the adjusted target rotating speed value and the target operating frequency value can be predetermined according to the actual measurement result. When the rotation speed value is larger than 0, the rotation speed is indicated to be increased during adjustment, when the rotation speed value is smaller than 0, the rotation speed is indicated to be reduced during adjustment, when the operation frequency value is larger than 0, the operation frequency is indicated to be increased during adjustment, and when the operation frequency value is smaller than 0, the operation frequency is indicated to be reduced during adjustment. The target operating frequency is determined according to the interval where the temperature change value is located, the target rotating speed is determined according to the interval where the humidity difference is located, specifically, when DeltaT is less than or equal to-1.5, the operating frequency is controlled to be reduced by n3, when DeltaT is less than or equal to-1.5 and less than or equal to-1, the operating frequency is controlled to be reduced by n2, and when DeltaT is less than or equal to-1 and less than or equal to-0.5, the operating frequency is controlled to be reduced by n1; when the temperature difference value between the temperature and the previous temperature is between minus 0.5 and delta T less than 0.5, the temperature is maintained in the interval, and the running frequency is not changed; when delta T is more than or equal to 0.5 and less than 1, controlling the operation frequency to rise by n1, when delta T is more than or equal to 1.5, controlling the operation frequency to rise by n2, and when delta T is more than 1.5, controlling the operation frequency to rise by n3;
similarly, when ΔD is less than or equal to-5, the rotation speed of the inner fan is controlled to be increased by m3, when ΔD is less than or equal to 5 and less than or equal to-3, the rotation speed of the inner fan is controlled to be increased by m2, when ΔD is less than or equal to-3 and less than or equal to-1, the rotation speed of the inner fan is controlled to be unchanged, when ΔD is less than or equal to-1 and less than or equal to 3, the rotation speed of the inner fan is controlled to be reduced by m1, when ΔD is less than or equal to 3 and less than or equal to 5, the rotation speed of the inner fan is controlled to be reduced by m2, and when ΔD is more than 5, the rotation speed of the inner fan is controlled to be reduced by m3.
When the temperature parameter is between the fourth preset temperature and the fifth preset temperature, the control action is a rapid cooling and humidity stabilizing action, and the target parameter at the moment is the target operating frequency of the air conditioning system and the target rotating speed of the fan in the air conditioning system, in this case, because the temperature change value is larger, the target operating frequency of the air conditioning system needs to be determined according to the temperature difference value between the current temperature parameter and the fourth preset temperature, and the control action at the moment comprises:
a third comparison relation between a temperature difference value interval of the current temperature parameter and a fourth preset temperature and a target operating frequency is established in advance;
calculating a temperature difference value and a humidity difference between the current temperature parameter and a fourth preset temperature, and judging a temperature difference value interval where the temperature difference value between the current temperature parameter and the fourth preset temperature is located and a humidity difference interval where the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of the inner fan according to the second comparison relation and the third comparison relation;
and adjusting the operating frequency of the air conditioning system to be at a target operating frequency and the rotating speed of the inner fan to be at a target rotating speed.
The target operating frequency is determined according to a third comparison relation and a temperature difference value between a current temperature parameter and a fourth preset temperature, the target rotating speed is determined according to a second comparison relation and a humidity difference, and at this time, the comprehensive table of the second comparison relation and the third comparison relation is as follows:
the delta D is a humidity difference, when the humidity difference is smaller than 0, the delta D indicates that the current humidity parameter is smaller than the set humidity value, and when the humidity difference is larger than 0, the delta D indicates that the current humidity parameter is larger than the set humidity value; the humidity difference unit is kg/m, the temperature difference unit is DEG C, and the adjusted target rotating speed value and the target operating frequency value can be predetermined according to the actual measurement result. When the rotation speed value is larger than 0, the rotation speed is indicated to be increased during adjustment, when the rotation speed value is smaller than 0, the rotation speed is indicated to be reduced during adjustment, when the operation frequency value is larger than 0, the operation frequency is indicated to be increased during adjustment, and when the operation frequency value is smaller than 0, the operation frequency is indicated to be reduced during adjustment. Specifically, when the difference between the current temperature parameter and the fourth preset temperature T4 is greater than 2, the operating frequency n3 is increased, when the difference between the current temperature parameter and the fourth preset temperature T4 is between 1 and 2 ℃, the operating frequency is controlled to be increased by n2, and when the difference between the current temperature parameter and the fourth preset temperature T4 is between 0 and 1 ℃, the operating frequency is controlled to be increased by n1.
Similarly, when the delta D is less than-5, controlling the rotating speed of the inner fan to be increased by m3; when delta D is less than or equal to minus 5 and is less than or equal to minus 3, and the difference value between the current temperature parameter and the fourth preset temperature T4 is more than 3 ℃, controlling the rotating speed of the inner fan to be increased by m3, otherwise, controlling the rotating speed of the inner fan to be increased by m2; when delta D is less than or equal to minus 3 and is less than or equal to minus 1, and the difference value between the current temperature parameter and the fourth preset temperature T4 is more than 3 ℃, controlling the rotating speed of the inner fan to be increased by m3, otherwise, controlling the rotating speed of the inner fan to be increased by m1; when delta D is less than or equal to minus 1 and the difference between the current temperature parameter and the fourth preset temperature T4 is more than 3 ℃, controlling the rotating speed of the inner fan to be increased by m3, otherwise, controlling the rotating speed of the inner fan to be unchanged; when delta D is more than or equal to 1 and less than 3, and the difference value between the current temperature parameter and the fourth preset temperature T4 is more than 3 ℃, controlling the rotation speed of the inner fan to be increased by m3, otherwise, controlling the rotation speed of the inner fan to be reduced by m1; when delta D is less than or equal to 3 and less than 5, and the difference between the current temperature parameter and the fourth preset temperature T4 is greater than 3 ℃, controlling the rotation speed of the inner fan to be increased by m3, otherwise controlling the rotation speed of the inner fan to be reduced by m2, and when delta D is more than 5, and the difference between the current temperature parameter and the fourth preset temperature T4 is greater than 3 ℃, controlling the rotation speed of the inner fan to be increased by m3, otherwise controlling the rotation speed of the inner fan to be reduced by m3.
Referring to fig. 1, in the present invention, the lower limit value of the preset interval is set to a first preset temperature T1, and when the temperature parameter is lower than the first preset temperature T1, the control method of the air conditioning system further includes:
and closing the compressor and the external fan of the air conditioning system to enable the internal fan of the air conditioning system to operate in a mute mode.
The upper limit value of the preset interval is set to be a fifth preset temperature T5, and when the temperature parameter is higher than the fifth preset temperature T5, the control method of the air conditioning system further includes:
the operation frequency of the compressor of the air conditioning system is controlled to be at the upper limit of the operation frequency of the air conditioning system in the sleep mode, and the rotation speed of the inner fan of the air conditioning system is controlled to be at the upper limit of the rotation speed of the air conditioning system in the sleep mode.
Referring to fig. 2, the present invention further provides an air conditioning system, which is composed of a compressor, a throttling element, an outdoor heat exchanger, an indoor fan, and an outdoor fan.
The air conditioning system adopts the control method of the air conditioning system.
Compared with the prior art, the invention controls the temperature in a segmented way, when the indoor temperature is high, the frequency of the compressor is increased, the rotating speed of the inner fan is controlled, the indoor temperature is enabled to be fast near the set temperature, the frequency of the compressor and the rotating speed of the inner fan are regulated according to the temperature change rate and the humidity difference, the indoor temperature is enabled to be maintained in a stable state, and when the indoor temperature is separated from the set temperature range, the rotating speed of the inner fan and the frequency of the compressor are regulated according to the indoor temperature and the set temperature difference, and the indoor temperature is enabled to return to the set temperature range. The invention can stabilize humidity while controlling temperature, and improve comfort level of users.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. A control method of an air conditioning system, comprising:
detecting environmental parameters of an air conditioning system in a sleep mode of the air conditioning system;
when the temperature parameter in the environment parameters is in a preset interval, determining the control action of the air conditioning system according to the magnitude of the temperature parameter;
calculating a temperature change value between the temperature parameters detected before and after the two times and/or a humidity difference between a humidity parameter in the environment parameters and a set humidity value to determine a target parameter of the control action;
adjusting the running state of the air conditioning system according to the target parameter;
determining a control action of the air conditioning system according to the magnitude of the temperature parameter, including:
a first comparison relation between a temperature parameter interval and the control action is established in advance;
judging a temperature parameter interval in which the temperature parameter is located;
determining a control action of the air conditioning system according to the first control relation;
calculating a temperature change value between the two detected temperature parameters and/or a humidity difference between a humidity parameter in the environment parameter and a set humidity value to determine a target parameter of the control action, wherein the target parameter comprises:
a second comparison relation between a temperature change value interval and/or a humidity difference interval and the target parameter is pre-established;
calculating the temperature change value and/or the humidity difference, and judging the temperature at which the temperature change value is located
A variation value interval and/or a humidity difference interval in which the humidity difference is located;
and determining the target parameter according to the second control relation.
2. The method according to claim 1, wherein the target parameter is a target rotational speed of an inner fan of the air conditioning system when the temperature parameter is between a first preset temperature and a second preset temperature, the controlling action comprising:
calculating the humidity difference and judging a humidity difference interval in which the humidity difference is located;
determining a target rotating speed of an inner fan of the air conditioning system according to the second comparison relation;
and adjusting the rotating speed of an inner fan of the air conditioning system to be at a target rotating speed.
3. The control method of an air conditioning system according to claim 2, wherein the target parameter is a target operating frequency of the air conditioning system and a target rotational speed of an inner fan of the air conditioning system when the temperature parameter is between a second preset temperature and a third preset temperature, the control action comprising:
calculating the temperature change value and the humidity difference, and judging a temperature change value interval in which the temperature change value is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
4. The control method of an air conditioning system according to claim 3, wherein the target parameter is a target operating frequency of the air conditioning system and a target rotational speed of an inner fan of the air conditioning system when the temperature parameter is between a third preset temperature and a fourth preset temperature, the control action comprising:
calculating the temperature change value and the humidity difference, and judging a temperature change value interval in which the temperature change value is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
5. The method according to claim 4, wherein the target parameter is a target operation frequency of the air conditioning system and a target rotation speed of an inner fan of the air conditioning system when the temperature parameter is between a fourth preset temperature and a fifth preset temperature, the controlling act further comprising:
a third comparison relation between a temperature difference value interval of the current temperature parameter and the fourth preset temperature and the target operating frequency is established in advance;
calculating a temperature difference value and the humidity difference of the current temperature parameter and the fourth preset temperature, and judging a temperature difference value interval in which the temperature difference value of the current temperature parameter and the fourth preset temperature is located and a humidity difference interval in which the humidity difference is located;
determining a target operating frequency of the air conditioning system and a target rotating speed of an inner fan according to the second comparison relation and the third comparison relation;
and adjusting the operating frequency of the air conditioning system to be at the target operating frequency and the rotating speed of the inner fan to be at the target rotating speed.
6. The method according to claim 5, wherein the first preset temperature is a lower limit value of the preset interval, the fifth preset temperature is an upper limit value of the preset interval, the second preset temperature is greater than the first preset temperature, the third preset temperature is greater than the second preset temperature, the fourth preset temperature is greater than the third preset temperature, and the fifth preset temperature is greater than the fourth preset temperature.
7. The control method of an air conditioning system according to claim 1, wherein when a temperature parameter among the environmental parameters is lower than a lower limit value of the preset interval, the control method of an air conditioning system further comprises:
and closing the compressor and the external fan of the air conditioning system to enable the internal fan of the air conditioning system to operate in a mute mode.
8. The control method of an air conditioning system according to claim 1, wherein when a temperature parameter among the environmental parameters is higher than an upper limit value of the preset interval, the control method of an air conditioning system further includes:
the operation frequency of the compressor of the air conditioning system is controlled to be at the upper limit of the operation frequency of the air conditioning system in the sleep mode, and the rotation speed of the inner fan of the air conditioning system is controlled to be at the upper limit of the rotation speed of the air conditioning system in the sleep mode.
9. An air conditioning system, characterized in that the air conditioning system employs the control method of an air conditioning system according to any one of claims 1 to 8.
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| CN107062539A (en) * | 2017-03-30 | 2017-08-18 | 海信科龙电器股份有限公司 | The humidity control method and device of a kind of air conditioner |
| CN110440401A (en) * | 2019-08-15 | 2019-11-12 | 四川长虹空调有限公司 | A kind of temperature control dehumidification control method |
| CN113685992A (en) * | 2021-07-29 | 2021-11-23 | 重庆海尔空调器有限公司 | Air conditioner control method and device for preventing quilt kicking |
| CN114576836A (en) * | 2020-12-02 | 2022-06-03 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062539A (en) * | 2017-03-30 | 2017-08-18 | 海信科龙电器股份有限公司 | The humidity control method and device of a kind of air conditioner |
| CN110440401A (en) * | 2019-08-15 | 2019-11-12 | 四川长虹空调有限公司 | A kind of temperature control dehumidification control method |
| CN114576836A (en) * | 2020-12-02 | 2022-06-03 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN113685992A (en) * | 2021-07-29 | 2021-11-23 | 重庆海尔空调器有限公司 | Air conditioner control method and device for preventing quilt kicking |
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