CN112344534A - Air conditioning system control method, air conditioning system, storage medium and processor - Google Patents
Air conditioning system control method, air conditioning system, storage medium and processor Download PDFInfo
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- CN112344534A CN112344534A CN202011167909.8A CN202011167909A CN112344534A CN 112344534 A CN112344534 A CN 112344534A CN 202011167909 A CN202011167909 A CN 202011167909A CN 112344534 A CN112344534 A CN 112344534A
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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
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
- F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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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
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioning system control method, an air conditioning system, a storage medium and a processor, wherein the air conditioning system comprises an air conditioner and a fresh air device, and the air conditioning system control method comprises the following steps: acquiring an indoor temperature T1; acquiring indoor humidity RH; acquiring an outdoor temperature T2; and controlling the air intake and exhaust of the fresh air device according to T1, RH and T2. The invention adjusts the air intake and exhaust volume of the fresh air device based on the indoor temperature, the indoor humidity and the outdoor temperature, thereby controlling the mixing proportion of the outdoor fresh air and the indoor dirty air according to the condition, avoiding the condensation of the fresh air device, not influencing the exchange of the indoor air and the outdoor air, and leading the user to enjoy the fresh air under the bad air environment.
Description
Technical Field
The invention relates to the technical field of air conditioning systems, in particular to an air conditioning system control method, an air conditioning system, a storage medium and a processor.
Background
With the improvement of living standard of people, the air conditioner becomes an electric appliance commonly used in life of people. When the air conditioner works, the air conditioner is generally positioned in a closed place, in order to prevent a user in the closed place from feeling bored, a fresh air device is arranged in some air conditioning systems, fresh air is obtained from the outside through the fresh air device and is conveyed to the inside of the room, and indoor dirty air is exhausted to the outside of the room.
However, when the air conditioner is used for exchanging fresh air, condensation phenomenon appears inside and outside the air conditioner pipeline and inside and outside the fresh air device due to different indoor and outdoor environmental parameters, and therefore damage is caused to the air conditioner.
Disclosure of Invention
The invention provides an air conditioning system control method, an air conditioning system, a storage medium and a processor, which are used for avoiding the problem of condensation caused by fresh air exchange of the air conditioning system.
In order to solve the above problem, according to an aspect of the present invention, there is provided an air conditioning system control method, the air conditioning system including an air conditioner and a fresh air device, the air conditioning system control method including: acquiring an indoor temperature T1; acquiring indoor humidity RH; acquiring an outdoor temperature T2; and controlling the air intake and exhaust of the fresh air device according to T1, RH and T2.
Furthermore, the fresh air device has a small air inlet working condition and a large air inlet working condition, and the air inlet volume of the fresh air device under the small air inlet working condition is smaller than that under the large air inlet working condition; controlling the air intake and exhaust volumes of the fresh air device according to T1, RH and T2 comprises: under the condition that the environmental parameter I or the environmental parameter II lasts for a first preset time, the fresh air device is switched to the large air inlet working condition; wherein, the first environmental parameter is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is less than or equal to 50%; the second environmental parameter is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is less than or equal to 30%.
Further, the air conditioning system control method further includes: the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high; the new trend device is in during big air inlet operating mode operation, if the indoor air quality is the one-level and lasts the second preset time, then will the new trend device switches into little air inlet operating mode.
Furthermore, in the little air inlet operating mode the volume of airing exhaust of new trend device is zero, in the big air inlet operating mode the volume of airing exhaust of new trend device is zero.
Further, controlling the air intake and exhaust volume of the fresh air device according to T1, RH and T2 further comprises: under the condition that the environmental parameter III or the environmental parameter IV lasts for a third preset time, the fresh air device is switched to the small air inlet working condition; wherein the environmental parameter three is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is more than 50 percent; the environment parameter four is as follows: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is more than 30%.
Further, the air conditioning system control method further includes: the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high; the new trend device is in during little air inlet operating mode operation, if the indoor air quality is tertiary and lasts the fourth preset time, then will the new trend device switches into big air inlet operating mode.
Further, the air conditioning system control method further includes: after the fresh air device continuously operates for a fifth preset time under the large air inlet working condition, switching the fresh air device into the small air inlet working condition and continuously operating for the fifth preset time; the fresh air device alternately operates under the large air inlet working condition and the small air inlet working condition; and switching the fresh air device to the small air inlet working condition until the indoor air quality reaches the second level and/or the first level and lasts for a sixth preset time.
Further, controlling the intake and exhaust air volumes of the fresh air device according to T1, RH, and T2 includes: under the condition that T2 is more than 50 ℃ or T2 is less than-15 ℃ or RH is more than or equal to 95 percent, the air intake and the air exhaust are both adjusted to be zero.
Furthermore, the fresh air device has a maximum ventilation working condition, and the air intake and the air exhaust of the fresh air device reach the maximum power value under the maximum ventilation working condition; before controlling the intake and exhaust air volumes of the fresh air device according to T1, RH and T2, the air conditioning system control method further includes: and after the air conditioning system is started, switching the fresh air device to the maximum ventilation working condition and continuously operating for a seventh preset time.
Further, new trend device includes air inlet door and the air door of airing exhaust, controls new trend device's intake and the volume of airing exhaust include: the air inlet quantity is adjusted by adjusting the opening and closing degree of the air inlet door; and the air exhaust amount is adjusted by adjusting the opening and closing degree of the air exhaust air door.
According to another aspect of the present invention, an air conditioning system using the air conditioning system control method is provided, and the air conditioning system includes an air conditioner and a fresh air device.
Further, new trend device includes: the heat exchanger comprises a shell, a heat exchanger and a heat exchanger, wherein the shell is provided with a heat exchange cavity, an air inlet and an air outlet; the air inlet door is movably arranged at the air inlet; and the air exhaust air door is movably arranged at the air exhaust opening.
Further, the air conditioning system further includes: an indoor temperature sensor disposed on the air conditioner; a humidity sensor disposed on the air conditioner; the outdoor temperature sensor is arranged on the fresh air device; and the concentration sensor is arranged on the air conditioner and used for detecting the concentration of the organic compounds in the air.
According to another aspect of the present invention, there is provided a storage medium including a stored program that executes the air conditioning system control method described above.
According to another aspect of the present invention, there is provided a processor for executing a program, the program executing the air conditioning system control method described above.
The technical scheme of the invention is applied to provide an air conditioning system control method, the air conditioning system comprises an air conditioner and a fresh air device, and the air conditioning system control method comprises the following steps: acquiring an indoor temperature T1; acquiring indoor humidity RH; acquiring an outdoor temperature T2; and controlling the air intake and exhaust of the fresh air device according to T1, RH and T2. The invention adjusts the air intake and exhaust volume of the fresh air device based on the indoor temperature, the indoor humidity and the outdoor temperature, thereby controlling the mixing proportion of the outdoor fresh air and the indoor dirty air according to the condition, avoiding the condensation of the fresh air device, not influencing the exchange of the indoor air and the outdoor air, and leading the user to enjoy the fresh air under the bad air environment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart illustrating an air conditioning system control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention;
FIG. 3 shows a cross-sectional view of the air conditioning system of FIG. 2;
FIG. 4 is a schematic diagram of the air conditioning system of FIG. 2 with the fresh air device turned off;
FIG. 5 is a schematic diagram of the fresh air device of the air conditioning system of FIG. 2 shown in a maximum ventilation condition;
FIG. 6 is a schematic view of the fresh air device in the air conditioning system of FIG. 2 in a low inlet condition;
fig. 7 is a schematic diagram of the fresh air device in the air conditioning system in fig. 2 under a large air intake condition.
Wherein the figures include the following reference numerals:
10. an air conditioner; 20. a fresh air device; 21. an air intake door; 22. an air exhaust air door.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides an air conditioning system control method, where the air conditioning system includes an air conditioner 10 and a fresh air device 20, and the air conditioning system control method includes: acquiring an indoor temperature T1; acquiring indoor humidity RH; acquiring an outdoor temperature T2; the air intake and exhaust of the fresh air device 20 are controlled according to T1, RH and T2. Indoor temperature T1, indoor humidity RH and outdoor temperature T2 are used as the basis to this scheme, adjust fresh air device 20's intake and exhaust volume to can control the mixing ratio of outdoor new trend and indoor foul air according to the condition, can avoid fresh air device 20 to produce the condensation like this, do not influence the exchange of indoor outer air simultaneously, let the user still can enjoy the new trend under bad air circumstance.
In this embodiment, the fresh air device 20 has a small air inlet working condition and a large air inlet working condition, and the air inlet volume of the fresh air device 20 under the small air inlet working condition is smaller than that under the large air inlet working condition; controlling the amount of intake air and the amount of exhaust air of the fresh air device 20 according to T1, RH, and T2 includes: under the condition that the environmental parameter I or the environmental parameter II lasts for a first preset time, the fresh air device 20 is switched to a large air inlet working condition; wherein, the environmental parameter one is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is less than or equal to 50%; the second environmental parameter is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is less than or equal to 30%. This prevents the fresh air device 20 from generating condensation, and does not affect the exchange of indoor and outdoor air.
In this embodiment, the air conditioning system control method further includes: the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high; during the operation of the fresh air device 20 under the large air inlet working condition, if the indoor air quality is one-level and lasts for the second preset time, the fresh air device 20 is switched to the small air inlet working condition. When the quality of the indoor air is detected to be better, the fresh air can be reduced, and the energy is saved.
The air discharge amount of the fresh air device 20 is zero in the small air inlet working condition, and the air discharge amount of the fresh air device 20 is zero in the large air inlet working condition. This allows the air quality to be adjusted while reducing energy losses.
In this embodiment, controlling the amount of intake air and the amount of exhaust air of the fresh air device 20 according to T1, RH, and T2 further includes: under the condition that the environmental parameter III or the environmental parameter IV lasts for a third preset time, the fresh air device 20 is switched to a small air inlet working condition; wherein, the environmental parameter three is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is more than 50 percent; the environmental parameter four is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is more than 30%. This prevents the fresh air device 20 from generating condensation, and does not affect the exchange of indoor and outdoor air.
In this embodiment, the air conditioning system control method further includes: the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high; during the operation of the fresh air device 20 under the small air inlet working condition, if the indoor air quality is three-level and lasts for the fourth preset time, the fresh air device 20 is switched to the large air inlet working condition. Therefore, the indoor air quality can be judged according to the detection concentration, and when the air quality does not meet the requirement, the fresh air volume can be increased for ventilation, so that the indoor air quality is improved.
Further, the air conditioning system control method further includes: after the fresh air device 20 continuously operates for a fifth preset time under the large air inlet working condition, the fresh air device 20 is switched to the small air inlet working condition and continuously operates for the fifth preset time; the fresh air device 20 alternately operates under a large air inlet working condition and a small air inlet working condition; and switching the fresh air device 20 to a small air inlet working condition until the indoor air quality reaches the second level and/or the first level and lasts for a sixth preset time. Therefore, condensation caused by adopting large air volume for air inlet can be avoided.
In this embodiment, controlling the amount of intake air and the amount of exhaust air of the fresh air device 20 according to T1, RH, and T2 includes: the air intake and exhaust volume are adjusted to zero under the condition that T2 is more than 50 ℃ or T2 is less than-15 ℃ or RH is more than or equal to 95 percent. Under this condition, the air environment is relatively poor, is not suitable for using new trend device 20, avoids damaging air conditioning system.
In this embodiment, the fresh air device 20 has a maximum ventilation condition, and both the intake air volume and the exhaust air volume of the fresh air device 20 reach the maximum power value under the maximum ventilation condition; before controlling the intake and exhaust air volumes of the fresh air device 20 according to T1, RH, and T2, the air conditioning system control method further includes: after the air conditioning system is started, the fresh air device 20 is switched to the maximum ventilation condition and continuously operates for a seventh preset time. Therefore, when the air conditioning system is just used, fresh air can be exchanged indoors through the maximum ventilation working condition, and the indoor air quality is improved.
In this embodiment, the new trend device 20 includes air inlet door 21 and air outlet door 22, and the intake and the exhaust volume of control new trend device 20 include: the air inlet quantity is adjusted by adjusting the opening and closing degree of the air inlet door 21; the air discharge amount is adjusted by adjusting the opening and closing degree of the air discharge damper 22. By adopting the mode, the structure is simple and the adjustment is convenient.
Another embodiment of the present invention provides an air conditioning system using the above air conditioning system control method, and the air conditioning system includes an air conditioner 10 and a fresh air device 20. Adopt this air conditioning system, but the intake and the volume of airing exhaust of automatically regulated new trend device 20 to can control the mixing ratio of outdoor new trend and indoor dirty wind according to the condition, can avoid new trend device 20 to produce the condensation like this, do not influence the exchange of indoor outer air simultaneously, let the user still can enjoy the new trend under bad air circumstance.
Specifically, the fresh air device 20 includes: the shell is provided with a heat exchange cavity, an air inlet and an air outlet; the air inlet door 21 is movably arranged at the air inlet; and the air exhaust air door 22 is movably arranged at the air exhaust opening. The opening degree of the air inlet can be conveniently and accurately adjusted by changing the angle of the air inlet door 21, and the opening degree of the air outlet can be conveniently and accurately adjusted by changing the angle of the air outlet door 22.
Specifically, when the fresh air device 20 is in a small air inlet working condition, the air exhaust door 22 is at 0 degree, and the air inlet door 21 is at about 10 degrees; when the fresh air device 20 is in the big air inlet working condition, the air exhaust door 22 is 0 degree, the air inlet door 21 is about 40 degrees, when the fresh air device 20 is in the maximum ventilation working condition, the air exhaust door 22 is about 90 degrees, and the air inlet door 21 is about 90 degrees.
In this embodiment, the air conditioning system further includes: an indoor temperature sensor provided on the air conditioner 10; a humidity sensor provided on the air conditioner 10; the outdoor temperature sensor is arranged on the fresh air device 20; and a concentration sensor provided on the air conditioner 10 for detecting the concentration of the organic compounds in the air.
Optionally, the concentration sensor is a TVOC sensor, the indoor air quality is divided into a first level, a second level and a third level according to the concentration from low to high, when the air quality is detected to be the first level, an indicator lamp arranged on the air conditioner displays blue, when the air quality is the second level, the indicator lamp displays orange, and when the air quality is the third level, the indicator lamp displays red.
The air quality is judged to be first grade when the concentration range of the organic compounds in the air detected by the sensor is 0-150 ppb, second grade when the concentration range of the organic compounds in the air detected by the sensor is 151-660 ppb, and third grade when the concentration range of the organic compounds in the air detected by the sensor is 661ppb or more. Of course, the concentration range can be adjusted according to the type of particles detected and the type of sensor.
Embodiments of the present invention also provide a storage medium including a stored program that executes the above-described air conditioning system control method.
The embodiment of the invention also provides a processor, wherein the processor is used for running the program, and the program executes the air conditioning system control method during running.
To facilitate understanding of the present solution, the following is further described.
The air conditioning system is a bidirectional flow fresh air conditioner, the fresh air and the air exhaust channel are respectively controlled by the fresh air and the air door for air exhaust, indoor dirty air is subjected to internal purification and circulation when the air door for air exhaust is closed, and a certain fresh air proportion is mixed.
When the air door is operated, the fresh air is powered on or is closed, the air door is reset towards the closing direction according to the reset angle, and the fresh air and the air exhaust air door are closed simultaneously. And (3) starting a fresh air function, opening the air door to the graph 5, namely completely opening the fresh air and the exhaust air door, and operating the fresh air device for 40min under full load. The air conditioning system has the following several cases.
The fresh air device operates for 40min (the fresh air fan starts to time after being started, and time parameters can be adjusted according to actual condensation, air quality and other conditions), and then indoor and outdoor air state parameters and indoor air quality parameters are detected: t1, indoor relative humidity RH, T2, and sensor air level corresponding to the current environment.
If any one of the following conditions is met, the fresh air door and the exhaust air door are operated to the graph 4 (the condition is an extremely severe condition, the service life of the total heat exchange core of the bidirectional flow fresh air device is rapidly shortened to be invalid under the condition, and the fresh air machine enters an internal circulation mode).
1. When T2 > 50 ℃, or T2 < -15 ℃; or the like, or, alternatively,
2. the indoor humidity RH is more than or equal to 95 percent.
Secondly, in order to satisfy new trend quality and condensation effect, if satisfy following arbitrary condition, then new trend air door, the air door of airing exhaust move to figure 7, and the air volume of the fan of airing exhaust and the air intake fan at this moment is about 5 in the regional mixed proportion of heat transfer: 4, the air exhaust amount is slightly larger than the fresh air amount.
1. When the temperature is more than or equal to minus 5 ℃ and less than or equal to T2 and less than 15 ℃, the temperature is more than or equal to 25 ℃ for 5min and the indoor humidity RH is less than or equal to 50 percent; or the like, or, alternatively,
2. when the temperature is between-15 ℃ and T2 and-5 ℃, the absolute temperature of T2-T1 is more than or equal to 30 ℃ for 5min continuously and the indoor humidity RH is less than or equal to 30 percent
If the air quality monitoring indicator light is blue and lasts for more than 20 minutes during the operation of the air door in the figure 7, the air door is adjusted to the figure 6, the temperature difference of condensation components is improved while the latest fresh air in the room is distributed, and condensation is reduced.
If any one of the following conditions is met, the fresh air door and the exhaust air door operate to the figure 6, and the mixing proportion of the air volume of the exhaust fan and the air volume of the air intake fan in the heat exchange area is about 5: 1, minimum fresh air supply is kept, and indoor air quality is improved while system condensation is guaranteed.
1. When the temperature is more than or equal to minus 5 ℃ and less than or equal to T2 and less than 15 ℃, the temperature is more than or equal to 25 ℃ for 5min and the indoor humidity RH is more than 50 percent; or the like, or, alternatively,
when the temperature is between 15 ℃ below zero and T2 is less than 5 ℃ below zero, the temperature is more than or equal to 30 ℃ for 5min and the absolute value of T2-T1 is more than or equal to 30 ℃ continuously, and the indoor humidity RH is more than 30 percent.
If the air quality monitoring indicator light is red and lasts for more than 20 minutes during the operation of the air door in the graph 6, the air door is adjusted to the graph 7, the position of the air door is adjusted to the graph 6 for 40 minutes after the air door is operated for 40 minutes to improve the indoor air quality, the two air door positions are alternately operated until the air quality monitoring indicator light is non-red and lasts for more than 20 minutes, and the air door is operated according to the graph 6.
And fourthly, after the air conditioning system runs for 40min, if all the conditions of the first, second and third conditions are not met, the air door is continuously opened to the state shown in the figure 5 (the bidirectional flow fresh air is completely opened).
The bidirectional flow fresh air conditioner can still ensure the fresh air effect under the extremely severe condition. And the air conditioner can have the function of opening the air exhaust under the condition that the air inlet is closed, and the bidirectional flow fresh air is adjusted into the unidirectional flow fresh air.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. An air conditioning system control method is characterized in that the air conditioning system comprises an air conditioner (10) and a fresh air device (20), and the air conditioning system control method comprises the following steps:
acquiring an indoor temperature T1;
acquiring indoor humidity RH;
acquiring an outdoor temperature T2;
controlling the air intake and exhaust of the fresh air device (20) according to T1, RH and T2.
2. The air conditioning system control method according to claim 1, wherein the fresh air device (20) has a small air inlet working condition and a large air inlet working condition, and the air inlet volume of the fresh air device (20) under the small air inlet working condition is smaller than that under the large air inlet working condition; controlling the amount of intake air and the amount of exhaust air of the fresh air device (20) according to T1, RH and T2 comprises:
under the condition that the environmental parameter I or the environmental parameter II lasts for a first preset time, the fresh air device (20) is switched to the large air inlet working condition; wherein, the first environmental parameter is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is less than or equal to 50%; the second environmental parameter is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is less than or equal to 30%.
3. The air conditioning system control method according to claim 2, further comprising:
the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high;
the fresh air device (20) is in during the operation of the big air inlet working condition, if the indoor air quality is one-level and lasts for a second preset time, the fresh air device (20) is switched to the small air inlet working condition.
4. The control method of air conditioning system according to claim 2, wherein the air discharge amount of the fresh air device (20) is zero in the small air intake condition, and the air discharge amount of the fresh air device (20) is zero in the large air intake condition.
5. The air conditioning system control method as claimed in claim 2, wherein controlling the intake and exhaust air volumes of the fresh air device (20) according to T1, RH and T2 further comprises:
under the condition that the environmental parameter III or the environmental parameter IV lasts for a third preset time, the fresh air device (20) is switched to the small air inlet working condition; wherein the environmental parameter three is: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 25 ℃, and RH is more than 50 percent; the environment parameter four is as follows: t2 is more than or equal to minus 5 ℃ and less than 15 ℃, T1-T2 is more than or equal to 30 ℃, and RH is more than 30%.
6. The air conditioning system control method according to claim 5, further comprising:
the method comprises the steps of obtaining the concentration of at least one organic compound in indoor air, and dividing the indoor air quality into a first level, a second level and a third level according to the concentration from low to high;
the fresh air device (20) is in during the operation of the small air inlet working condition, if the indoor air quality is three-level and lasts for a fourth preset time, the fresh air device (20) is switched to the large air inlet working condition.
7. The air conditioning system control method according to claim 6, further comprising:
after the fresh air device (20) continuously operates for a fifth preset time under the large air inlet working condition, switching the fresh air device (20) to the small air inlet working condition and continuously operating for the fifth preset time; the fresh air device (20) alternately operates under the large air inlet working condition and the small air inlet working condition; and switching the fresh air device (20) to the small air inlet working condition until the indoor air quality reaches the second level and/or the first level and lasts for a sixth preset time.
8. The air conditioning system control method as claimed in claim 1, wherein controlling the intake and exhaust air volumes of the fresh air device (20) according to T1, RH and T2 comprises:
under the condition that T2 is more than 50 ℃ or T2 is less than-15 ℃ or RH is more than or equal to 95 percent, the air intake and the air exhaust are both adjusted to be zero.
9. The air conditioning system control method according to claim 1, wherein the fresh air device (20) has a maximum ventilation condition in which both the intake air amount and the exhaust air amount of the fresh air device (20) reach a power maximum; before controlling the intake and exhaust air volumes of the fresh air device (20) according to T1, RH, and T2, the air conditioning system control method further includes:
and after the air conditioning system is started, the fresh air device (20) is switched to the maximum ventilation working condition and continuously operates for a seventh preset time.
10. The air conditioning system control method according to any one of claims 1 to 9, wherein the fresh air device (20) includes an intake air door (21) and an exhaust air door (22), and controlling an intake air amount and an exhaust air amount of the fresh air device (20) includes:
the air inlet quantity is adjusted by adjusting the opening and closing degree of the air inlet door (21);
the air discharge quantity is adjusted by adjusting the opening and closing degree of the air discharge air door (22).
11. An air conditioning system characterized by using the air conditioning system control method according to any one of claims 1 to 10, the air conditioning system comprising an air conditioner (10) and a fresh air device (20).
12. Air conditioning system according to claim 11, characterized in that said fresh air device (20) comprises:
the heat exchanger comprises a shell, a heat exchanger and a heat exchanger, wherein the shell is provided with a heat exchange cavity, an air inlet and an air outlet;
the air inlet door (21) is movably arranged at the air inlet;
and the air exhaust air door (22) is movably arranged at the air exhaust opening.
13. The air conditioning system of claim 11, further comprising:
an indoor temperature sensor provided on the air conditioner (10);
a humidity sensor provided on the air conditioner (10);
the outdoor temperature sensor is arranged on the fresh air device (20);
a concentration sensor provided on the air conditioner (10), the concentration sensor being for detecting a concentration of an organic compound in air.
14. A storage medium characterized by comprising a stored program that executes the air conditioning system control method according to any one of claims 1 to 10.
15. A processor, characterized in that the processor is configured to run a program, which when running executes the air conditioning system control method according to any one of claims 1 to 10.
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