CN110044014B - Air conditioner, method of controlling the same, and computer-readable storage medium - Google Patents
Air conditioner, method of controlling the same, and computer-readable storage medium Download PDFInfo
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- CN110044014B CN110044014B CN201910353801.9A CN201910353801A CN110044014B CN 110044014 B CN110044014 B CN 110044014B CN 201910353801 A CN201910353801 A CN 201910353801A CN 110044014 B CN110044014 B CN 110044014B
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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
- F24F11/41—Defrosting; Preventing freezing
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air conditioner, which comprises the following steps: acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed; calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed; and when the condensation parameters meet the condensation conditions of the corresponding fresh air operation time interval, adjusting the parameters of the air conditioner so that the air conditioner does not meet the condensation conditions. The invention also discloses an air conditioner and a computer readable storage medium. The invention avoids the air conditioner from generating condensation, ensures more accurate fresh air control of the air conditioner and also ensures the service life of the air conditioner.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to an air conditioner, a control method thereof, and a computer-readable storage medium.
Background
With the improvement of living standard of people, the air conditioner becomes an essential electric appliance in people's production.
When the air conditioner works, the air conditioner is generally in a closed place, and in order to prevent a user in the closed place from feeling bored, the air conditioner can obtain fresh air from the outside to convey the fresh air to the inside. However, when the fresh air is changed, because the indoor and outdoor environmental parameters are not equal, the condensation phenomenon appears inside or outside the fresh air pipeline of the air conditioner, and the air conditioner is damaged. That is, in the prior art, the fresh air control of the air conditioner is unreasonable.
Disclosure of Invention
The invention mainly aims to provide an air conditioner, a control method thereof and a computer readable storage medium, and aims to solve the problem that fresh air of the air conditioner is unreasonably controlled.
In order to achieve the above object, the present invention provides a method for controlling an air conditioner, comprising:
acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed;
calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed;
and when the condensation parameters meet the condensation conditions of the corresponding fresh air operation time interval, adjusting the parameters of the air conditioner so that the air conditioner does not meet the condensation conditions.
Optionally, the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed comprises:
after the fresh air is started for a first preset time, calculating the average value of the temperature difference between the ambient temperature in the chamber and the temperature of the fresh air within a second preset time;
and calculating a humidity threshold value according to the temperature difference mean value and the fresh air speed, and taking the humidity threshold value as a condensation parameter.
Optionally, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed, the method further comprises the following steps:
determining the running time of the current fresh air, and determining a fresh air running interval according to the running time of the fresh air;
determining condensation conditions according to the fresh air operation intervals, wherein the condensation conditions corresponding to different fresh air operation intervals are different;
and judging whether the determined condensation conditions are met or not according to the condensation parameters.
Optionally, after the current fresh air operation interval is one hour after the fresh air is started, the condensation condition is a first humidity threshold value, and a humidity average value in a second preset time is calculated; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the first humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
when the difference value between the humidity average value and the humidity threshold value is larger than or equal to a first humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval;
after the current fresh air operation interval is operated for one hour again, the condensation condition is a second humidity threshold value; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the second humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
and when the difference value of the humidity mean value and the humidity threshold value is larger than or equal to a second humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval.
Optionally, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed, the method further comprises the following steps:
when the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval, determining the wind speed of the current fresh air fan according to the determined condensation parameter;
and controlling the operation of the fresh air fan according to the wind speed, and maintaining the fresh air to be conveyed indoors.
Optionally, the step of adjusting the air conditioner parameter comprises:
and controlling the air conditioner to close the electric auxiliary heat and/or adjusting the frequency of the compressor and/or the reverse rotation of the fresh air wind wheel.
Optionally, the step of correspondingly controlling the air conditioner to turn off the electric auxiliary heat and/or adjusting the frequency of the compressor and/or reversing the fresh air wind wheel according to the adjustment parameter includes:
when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is smaller than a preset temperature value, determining the adjusting parameter of the air conditioner as controlling the reversal of the fresh air wind wheel;
and when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than or equal to a preset temperature value, determining the adjusting parameter of the air conditioner as the state that the electric auxiliary heat is turned off and/or the running frequency of the compressor is reduced.
In order to achieve the above object, the present invention also provides an air conditioner, comprising: the fresh air device is provided with an air inlet and an air outlet, the air inlet is communicated with the outside or the inside, and the air outlet is communicated with the fresh air inlet.
Optionally, the air conditioner further comprises a processor, a memory and an air conditioner control program which is stored in the memory and can be operated on the processor, the processor is communicated with the fresh air device, and the operation of the air conditioner compressor, the auxiliary heat and the fresh air device is controlled through the air conditioner control program; the air conditioner control program, when executed by the processor, implements the steps of the air conditioner control method described above.
To achieve the above object, the present invention also provides a computer-readable storage medium storing an air conditioner control program that implements the respective steps of the air conditioner control method as described above when executed by a processor.
According to the air conditioner, the control method of the air conditioner and the computer readable storage medium, in the operation process of the air conditioner, the indoor environment temperature, the fresh air temperature and the fresh air speed are obtained, the condensation parameter is calculated according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed, whether the air conditioner has condensation risks or not is judged according to the condensation conditions of the operation interval corresponding to the condensation parameter and the fresh air operation time, different condensation conditions are selected according to different time gradients, accurate judgment of condensation of the air conditioner is achieved, when the air conditioner is judged to meet the condensation conditions, the parameters of the air conditioner are adjusted, the air conditioner cannot meet the condensation conditions, condensation of the air conditioner is avoided, fresh air control of the air conditioner is more reasonable, and the service life of the air conditioner is guaranteed.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating an embodiment of a method for controlling an air conditioner according to the present invention;
FIG. 3 is a schematic structural diagram of an air conditioner according to the present invention;
FIG. 4 is a flow chart illustrating a method for controlling an air conditioner according to another embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating the operation of controlling the air conditioner to turn off the electric auxiliary heat and/or adjust the frequency of the compressor and/or reverse the fresh air rotor according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of controlling the air conditioner to turn off the electric auxiliary heat and/or adjusting the frequency of the compressor and/or reversing the fresh air wheel according to the adjustment parameter in an embodiment of the present invention.
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.
The main solution of the embodiment of the invention is as follows: acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed; calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed; and when the condensation parameters meet the condensation conditions of the corresponding fresh air operation time interval, adjusting the parameters of the air conditioner so that the air conditioner does not meet the condensation conditions.
In the prior art, when the fresh air is changed, because of unequal indoor and outdoor environmental parameters, condensation occurs inside or outside a fresh air pipeline of the air conditioner, and therefore the air conditioner is damaged. That is, in the prior art, the fresh air control of the air conditioner is unreasonable.
The present invention provides a solution: in the air conditioner operation process, through acquireing indoor ambient temperature, new trend temperature and new trend wind speed, according to indoor ambient temperature, the new trend temperature, indoor ambient humidity and new trend wind speed calculation condensation parameter, whether the condensation condition that corresponds the operation interval according to condensation parameter and new trend operation time judges the air conditioner and has the condensation risk, select different condensation conditions to the difference of time gradient, realize the accurate judgement of air conditioner condensation, when judging that the air conditioner satisfies the condensation condition, adjust the parameter of air conditioner, make the air conditioner unsatisfied the condensation condition, thereby avoid the air conditioner to produce the condensation, make the fresh air control of air conditioner more reasonable, the life of air conditioner has also been guaranteed.
As one implementation, the air conditioner may be as shown in fig. 1.
The embodiment of the invention relates to an air conditioner, which comprises: a processor 1001, such as a CPU, a memory 1002, and a communication bus 1003. The communication bus 1003 is used to implement connection communication among these components.
The memory 1002 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). As shown in fig. 1, the memory 1003, which is a kind of computer storage medium, may include therein an air conditioner control program; and the processor 1001 may be configured to call the air conditioner control program stored in the memory 1002 and perform the following operations:
acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed;
calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed;
and when the condensation parameters meet the condensation conditions of the corresponding fresh air operation time interval, adjusting the parameters of the air conditioner so that the air conditioner does not meet the condensation conditions.
Alternatively, the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002, and perform the following operations:
after the fresh air is started for a first preset time, calculating the average value of the temperature difference between the ambient temperature in the chamber and the temperature of the fresh air within a second preset time;
and calculating a humidity threshold value according to the temperature difference mean value and the fresh air speed, and taking the humidity threshold value as a condensation parameter.
Optionally, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity, and the fresh air speed, the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002, and perform the following operations:
determining the running time of the current fresh air, and determining a fresh air running interval according to the running time of the fresh air;
determining condensation conditions according to the fresh air operation intervals, wherein the condensation conditions corresponding to different fresh air operation intervals are different;
and judging whether the determined condensation conditions are met or not according to the condensation parameters.
Optionally, after the current fresh air operation interval is one hour after the fresh air is started, the condensation condition is a first humidity threshold value, and a humidity average value in a second preset time is calculated; the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002 and perform the following operations:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the first humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
when the difference value between the humidity average value and the humidity threshold value is larger than or equal to a first humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval;
after the current fresh air operation interval is operated for one hour again, the condensation condition is a second humidity threshold value; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the second humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
and when the difference value of the humidity mean value and the humidity threshold value is larger than or equal to a second humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval.
Optionally, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity, and the fresh air speed, the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002, and perform the following operations:
when the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval, determining the wind speed of the current fresh air fan according to the determined condensation parameter;
and controlling the operation of the fresh air fan according to the wind speed, and maintaining the fresh air to be conveyed indoors.
Alternatively, the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002, and perform the following operations:
and controlling the air conditioner to close the electric auxiliary heat and/or adjusting the frequency of the compressor and/or the reverse rotation of the fresh air wind wheel.
Alternatively, the processor 1001 may be configured to call an air conditioner control program stored in the memory 1002, and perform the following operations:
when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is smaller than a preset temperature value, determining the adjusting parameter of the air conditioner as controlling the reversal of the fresh air wind wheel;
and when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than or equal to a preset temperature value, determining the adjusting parameter of the air conditioner as the state that the electric auxiliary heat is turned off and/or the running frequency of the compressor is reduced.
Based on the hardware architecture, the embodiment of the air conditioner control method is provided.
Referring to fig. 2, fig. 2 is a diagram illustrating an embodiment of an air conditioner control method according to the present invention, the air conditioner control method includes the following steps:
step S10, acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed;
in the present invention, the air conditioner has a fresh air mode in which the air conditioner delivers outdoor air (fresh air) to the room, and referring to fig. 3, the air conditioner includes: the fresh air device comprises a shell 10 and a fresh air device 20 arranged in the shell 10, wherein a fresh air port 110 is formed in at least one of a front panel 100 of the shell 10 and two end plates 200 of the shell 10, the fresh air device 20 is provided with an air inlet and an air outlet, the air inlet is communicated with the outside or the inside, and the air outlet is communicated with the fresh air port 110. Optionally, the fresh air device includes a volute, a centrifugal wind wheel and a motor for driving the centrifugal wind wheel to rotate, the volute has a wind cavity, and the centrifugal wind wheel is disposed in the wind cavity; the fresh air device further comprises a purification net arranged in the volute, the volute is provided with the air inlet and the air outlet, and the purification net is located between the air inlet and the air cavity.
Because the air-conditioning indoor unit that this application provided is equipped with new trend device 20, new trend device 20 can introduce indoor with outdoor fresh air to can improve the quality of room air. Secondly, in the air-conditioning indoor unit provided by the present application, the fresh air opening 110 is formed in at least one of the front panel 100 of the casing 10 and the two end panels 200 of the casing 10, in other words, the fresh air opening 110 is not formed in the top plate of the casing 10, so that dust can be prevented from falling into the fresh air device 20 from the top of the casing 10, dust accumulation in the fresh air device 20 can be prevented, and the cleanliness of fresh air blown out by the fresh air device 20 can be improved; finally, the air intake of the indoor air conditioner is mostly arranged on the top plate, if the fresh air port 110 is arranged on the top plate, fresh air is easy to be sucked into the indoor air conditioner through the air intake of the indoor air conditioner, and dust in the interior of the indoor air conditioner is more, so that pollution to the fresh air can be caused.
After the fresh air is started, the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed are obtained. The fresh air opening may be unconditional opening, because there is no condensation risk and no condensation is generated within a preset time of the fresh air opening, for example, within 1 hour or within 30 minutes.
The indoor environment temperature T1 is detected by a temperature sensor arranged indoors, or detected by a temperature sensor (such as a mobile phone or pad) on a wearable device (such as a bracelet or a watch) or a mobile device of an indoor user; the outdoor environment temperature T4 can be detected by a temperature sensor disposed in the outdoor environment, or uploaded by a user in the outdoor environment through a wearable device or a mobile device, or obtained by acquiring local weather conditions; the fresh air temperature TO is detected by a sensor, and the sensor can be arranged at a pipe orifice of a fresh air inlet or a part close TO the fresh air inlet in an outdoor environment.
In an embodiment, the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed may be obtained only after the fresh air is started for a preset time.
Step S20, calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed;
in the invention, the air conditioner adopts the condensation parameters TO represent the condensation risk of the air conditioner, and the condensation parameters can be indoor environment temperature T1, indoor environment humidity RH1, fresh air temperature TO and/or fresh air speed in the embodiment. Optionally, the condensation parameter of the present application is a humidity difference or a humidity value RH.
In an embodiment, after the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed are obtained, after a first preset time (the first preset time may be 1h or 30 minutes, and is set according TO the performance of the air conditioner and the user requirement) for starting the fresh air is calculated according TO the indoor environment temperature T1 and the fresh air temperature TO, a second preset time (2 minutes or 3 minutes, and the like, and is set according TO the requirement) is obtained, and then a temperature difference or a temperature difference average value between the indoor environment temperature T1 and the fresh air temperature TO is obtained, namely a temperature difference average value; calculating the humidity average value of the indoor environment humidity within the second preset time; and calculating a humidity threshold value according to the fresh air speed according to the temperature difference mean value, and taking the humidity threshold value as a condensation parameter.
Specifically, the average value of (T1-TO) and the average value of RHI (T1-TO) and the average value of humidity RHI within a certain period of time (for example, 2-3min) are calculated after the fresh air is opened for 1h unconditionally.
Calculating a corresponding humidity threshold value RHI ' (RHI ' ═ f (temperature difference mean value, n)) according TO the temperature difference mean value and n of (T1-TO), and calculating a difference value delta RHI between the humidity threshold value and the humidity mean value as an RHI mean value-RHI '; and the difference Δ RHI is the condensation parameter.
And after the condensation parameters are obtained, judging whether the condensation parameters meet condensation conditions. The condensation condition may be set in advance and may be a fixed value, for example, 15% or 10%. And the air conditioner can also be set according to different running time lengths of fresh air.
In an embodiment, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity, and the fresh air speed, the method further includes:
determining the running time of the current fresh air, and determining a fresh air running interval according to the running time of the fresh air;
determining condensation conditions according to the fresh air operation intervals, wherein the condensation conditions corresponding to different fresh air operation intervals are different;
and judging whether the determined condensation conditions are met or not according to the condensation parameters.
The operation time lengths of the fresh air corresponding to different condensation conditions are different, namely, the condensation conditions corresponding to unconditional starting of 1h of fresh air and subsequent continuous starting of 1h are different. For example, the condensation condition of the unconditionally opened 1h is that the humidity threshold value is 15%, the humidity threshold value is 10% after the operation is continued for 1h on the basis, and the humidity threshold value is 0% after the operation is continued for 1 h. Of course, the humidity threshold values in different time intervals may be other values, and are not limited herein.
After the condensation condition of the current fresh air operation time interval is determined, according to the comparison between the calculated humidity difference value delta RHI and the humidity threshold value included in the condensation parameter, when the delta RHI is smaller than the humidity threshold value included in the condensation parameter, the fact that the condensation condition is not met is judged; determining that the condensation condition is satisfied when Δ RHI is greater than or equal to a humidity threshold included in the condensation parameter.
In one embodiment, the condensation condition is a first humidity threshold after one hour after the fresh air is started in the current fresh air operation interval; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the first humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
when the difference value between the humidity average value and the humidity threshold value is larger than or equal to a first humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval;
after the current fresh air operation interval is operated for one hour again, the condensation condition is a second humidity threshold value; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the second humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
and when the difference value of the humidity mean value and the humidity threshold value is larger than or equal to a second humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval.
The first humidity threshold may be 15% or 12%; the second humidity threshold may be 10% or 8%.
And step S30, when the condensation parameter meets the condensation condition of the corresponding fresh air running time interval, adjusting the parameter of the air conditioner so that the air conditioner does not meet the condensation condition.
After the air conditioner meets the condensation condition, the air conditioner can generate condensation risk at the moment, and the operation parameters of the air conditioner are adjusted, such as the operation frequency of an air conditioner compressor is reduced, the auxiliary heating function is turned off or the reverse rotation of a fresh air wind wheel is controlled.
In one embodiment, after the air conditioner does not meet the condensation condition, a condition difference value from the current time to the time when the condensation condition is met is determined; and determining an operation parameter adjustment value of the air conditioner according to the condition difference value, and adjusting the operation of the air conditioner according to the operation parameter adjustment value so as to enable the air conditioner to be in a non-condensation state. For example, the compressor frequency is reduced, and the difference between the indoor ambient temperature and the outdoor ambient temperature is reduced; the difference between the indoor environment temperature and the outdoor environment temperature is reduced in advance, so that condensation of the air conditioner can be avoided, the condensation risk is avoided, the time of the air conditioner in a non-condensation state can be prolonged, the time of opening fresh air can be kept longer, and the indoor environment is better; and when the condition difference reaches a preset condition difference threshold value, judging that a condensation condition is met. Before reaching the condensation condition, the difference that allows some threshold values just judges in advance and satisfies the condensation condition when reaching this difference for the air conditioner does not produce any condensation and just finishes the new trend, closes the new trend function, effectively avoids the air conditioner to produce the risk that the condensation brought more, guarantees the safety of air conditioner inner part, improves the life-span.
Among the technical scheme that this embodiment provided, among the air conditioner operation process, through acquireing indoor ambient temperature, new trend temperature and new trend wind speed, according to indoor ambient temperature, new trend temperature, indoor ambient humidity and new trend wind speed calculate the condensation parameter, whether the air conditioner has the condensation risk according to the condensation condition that the long corresponding running section of condensation parameter and new trend operation time, select different condensation conditions to the difference of time gradient, realize the accurate judgement of air conditioner condensation, when judging that the air conditioner satisfies the condensation condition, adjust the parameter of air conditioner, make the air conditioner unsatisfied the condensation condition, thereby avoid the air conditioner to produce the condensation, make the new trend control of air conditioner more reasonable, the life of air conditioner has also been guaranteed.
In an embodiment, referring to fig. 4, after the step of calculating the condensation parameter according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity, and the fresh air speed, the method further includes:
step S11, when the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval, determining the wind speed of the current fresh air fan according to the determined condensation parameter;
and step S12, controlling the operation of the fresh air fan according to the wind speed, and maintaining the fresh air to be delivered indoors.
Under different condensation conditions, when the condensation parameters do not meet the condensation conditions, the wind speed of the fresh air fan is adjusted differently. And determining the wind speed of the current fresh air fan according to the determined condensation parameters, controlling the operation of the fresh air fan according to the wind speed, and maintaining the delivery of fresh air to the room. Specifically, if the condensation condition is not met after the fresh air is started for 1 hour unconditionally, the operation is carried out for 1 hour again according to the set wind gear, and other control actions are not taken;
after the operation is continued for 1h, calculating the average value of (T1-TO) and the average value of RHI within a certain period of time (for example, 2-3 min); and calculating a corresponding humidity threshold value RHI 'according to the temperature difference mean value and the fresh air speed n, and calculating a difference value delta RHI between the humidity threshold value and the humidity mean value, namely the humidity mean value RHI-RHI'.
If 0< delta RHI is less than or equal to 10 percent, the operation is carried out for 1 hour according to the reduction of the fresh air gear, and other control actions are not taken;
after the operation is continued for 1h, calculating the average value of (T1-TO) and the average value of RHI within a certain period of time (such as 2-3 min); and calculating a corresponding humidity threshold value RHI 'according to the temperature difference mean value and the fresh air speed n, and calculating a difference value delta RHI between the humidity threshold value and the humidity mean value, namely a humidity mean value-RHI', which is an A judgment process.
If the delta RHI is less than 0%, the original wind shield continues to operate for 1h, then the judgment process A is repeated to judge the condensation condition, and other control actions are not taken;
if the delta RHI is more than or equal to 0 percent, adjusting the operation parameters, wherein the operation parameter adjustment comprises the steps of closing the electric auxiliary heat of the air conditioner or/and reducing the operation frequency of an air conditioner compressor or/and reversing the fresh air wind wheel for a period of time.
This embodiment is through the difference at new trend fan operation different stages and condensation condition, and setting up of fan wind speed is different when unsatisfied the condensation condition for condensation control is more accurate, prevents the air conditioner condensation.
In an embodiment, referring to fig. 5, the step of controlling the air conditioner to turn off the electric auxiliary heat and/or adjust the compressor frequency and/or the fresh air wheel reverse rotation includes:
step S31, calculating the difference between the indoor environment temperature and the fresh air temperature;
step S32, determining the adjusting parameter of the air conditioner according to the difference value between the indoor environment temperature and the fresh air temperature;
and step S33, correspondingly controlling the air conditioner to close the electric auxiliary heat and/or adjusting the frequency of the compressor and/or the reverse rotation of the fresh air wind wheel according to the adjusting parameters.
If judge that the air conditioner satisfies the condensation condition, then need adjust the operating parameter of air conditioner to make the air conditioner unsatisfied condensation condition, just so can continue to open the new trend, and avoid closing the new trend, lead to the condition of indoor environment variation, improve indoor comfort level. And in order to adjust the indoor environment more accurately, the fresh air is started while the condensation is avoided. And determining the adjusting parameters of the air conditioner according to the condensation parameters, namely determining the frequency of the compressor, the time of the reversal of the fresh air wind wheel and the time of the auxiliary heating. When the difference value between the indoor environment temperature and the fresh air temperature is smaller than or equal to a first preset value, the air conditioner is turned off to supply auxiliary electric heat or/and reduce the frequency of the compressor or/and reversely rotate the fresh air wind wheel for a period of time. The running frequency of the compressor and the reversing time of the fresh air wind wheel can be determined according to the difference value between the indoor environment temperature and the fresh air temperature, the smaller the difference value is, the less the running frequency is reduced, and the reversing time of the fresh air wind wheel is short; the larger the difference value is, the more the running frequency is reduced, and the reversal time of the fresh air wind wheel is long. The first preset value can be 2 degrees, 3 degrees or the like, and can also be other temperature values suitable for controlling condensation of the air conditioner.
And when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than the first preset value and less than or equal to the second preset value, the electric auxiliary heat of the air conditioner is turned off or/and the frequency of the compressor is reduced or/and the fresh air wind wheel is reversed for a period of time. The operation frequency of the compressor and the reversal time of the fresh air wind wheel can be determined according to parameters (the dew point temperature of the indoor environment and the temperature of the outer wall surface of the fresh air duct) judged by the air conditioner condensation condition, the smaller the difference value is, the less the operation frequency is reduced, and the reversal time of the fresh air wind wheel is short; the larger the difference value is, the more the running frequency is reduced, and the reversal time of the fresh air wind wheel is long. The second preset value can be 5 degrees or 8 degrees, and the like, and also can be other temperature values suitable for controlling condensation of the air conditioner, wherein the second preset value is larger than the first preset value. The adjustment range when the temperature difference is greater than the first preset value is higher than the adjustment range when the temperature difference is less than the first preset value.
And when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than a second preset value, the electric auxiliary heat of the air conditioner is turned off or/and the frequency of the compressor is reduced or/and the fresh air wind wheel is reversed for a period of time. The operation frequency of the compressor and the reversal time of the fresh air wind wheel can be determined according to parameters (dew point temperature and the temperature of the outer wall surface of the fresh air duct) judged by the air conditioner condensation condition, the smaller the difference value is, the less the operation frequency is reduced, and the reversal time of the fresh air wind wheel is short; the larger the difference value is, the more the running frequency is reduced, and the reversal time of the fresh air wind wheel is long. And the adjustment amplitude when the temperature difference is larger than the second preset value is higher than the adjustment amplitude when the temperature difference is smaller than the second preset value.
Optionally, referring to fig. 6, the step of correspondingly controlling the air conditioner to turn off the electric auxiliary heat and/or adjusting the compressor frequency and/or the fresh air wheel to reverse according to the adjustment parameter includes:
step S34, when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is smaller than a preset temperature value, determining the adjusting parameter of the air conditioner as controlling the inversion of the fresh air wind wheel;
and step S35, when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than or equal to a preset temperature value, determining the adjusting parameter of the air conditioner as the state that the electric auxiliary heat is turned off and/or the operation frequency of the compressor is reduced.
And carrying out priority judgment on the adjustment action taken when the condensation parameter meets the condensation judgment condition. Whether the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is smaller than a preset value or not is judged, if yes, the temperature difference between the indoor environment and the outdoor environment is considered to be smaller, condensation of the air conditioner is mainly caused by the fact that the indoor environment temperature is higher than the fresh air temperature, therefore, the fresh air wind wheel can be controlled to rotate reversely preferentially, indoor air is sucked into the fresh air duct, the temperature of the outer wall surface of the fresh air duct is improved by utilizing the indoor air heat, and condensation of the air conditioner is avoided. If the difference between the indoor environment temperature and the fresh air temperature is larger than or equal to the preset value, condensation of the air conditioner is mainly caused by the fact that the indoor and outdoor temperature difference is too large, so that electric auxiliary heating can be preferentially turned off and/or the running frequency of a compressor is reduced, the indoor and outdoor temperature difference is reduced, and condensation of the air conditioner is avoided. The preset value can be 5 degrees or 8 degrees, and the like, and can also be other temperature values suitable for controlling the condensation of the air conditioner.
In one embodiment, in order to adjust the parameter of the air conditioner more accurately, after the step of determining the adjustment parameter of the air conditioner to control the inversion of the fresh air wind wheel when the difference between the indoor environment temperature and the fresh air temperature of the air conditioner is less than the preset temperature value, the method further includes:
after the condition that condensation is met is judged, determining the adjusting parameters of the air conditioner as the turning off of electric auxiliary heat and/or the reduction of the running frequency of a compressor; or
When the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than or equal to the preset temperature value, after the step of determining the adjusting parameter of the air conditioner as the step of turning off the electric auxiliary heat and/or reducing the running frequency of the compressor, the method further comprises the following steps:
and after the condition of condensation is judged to be met, determining the adjusting parameters of the air conditioner to control the inversion of the fresh air wind wheel.
Under the condition that one parameter cannot be adjusted to meet the condensation condition, the air conditioner is adjusted by combining other parameters, so that the air conditioner is adjusted more accurately and effectively, and the fresh air control is more reasonable and accurate.
The invention also provides an air conditioner, referring to fig. 3, the air conditioner comprises a shell 10 and a fresh air device 20 arranged in the shell 10, a fresh air port 110 is arranged on at least one of a front panel 100 of the shell 10 and two end plates 200 of the shell 10, the fresh air device 20 is provided with an air inlet and an air outlet, the air inlet is communicated with the outside or the inside, and the air outlet is communicated with the fresh air port 110. Optionally, the fresh air device includes a volute, a centrifugal wind wheel and a motor for driving the centrifugal wind wheel to rotate, the volute has a wind cavity, and the centrifugal wind wheel is disposed in the wind cavity; the fresh air device further comprises a purification net arranged in the volute, the volute is provided with the air inlet and the air outlet, and the purification net is located between the air inlet and the air cavity.
Because the air-conditioning indoor unit that this application provided is equipped with new trend device 20, new trend device 20 can introduce indoor with outdoor fresh air to can improve the quality of room air. Secondly, in the air-conditioning indoor unit provided by the present application, the fresh air opening 110 is formed in at least one of the front panel 100 of the casing 10 and the two end panels 200 of the casing 10, in other words, the fresh air opening 110 is not formed in the top plate of the casing 10, so that dust can be prevented from falling into the fresh air device 20 from the top of the casing 10, dust accumulation in the fresh air device 20 can be prevented, and the cleanliness of fresh air blown out by the fresh air device 20 can be improved; finally, the air intake of the indoor air conditioner is mostly arranged on the top plate, if the fresh air port 110 is arranged on the top plate, fresh air is easy to be sucked into the indoor air conditioner through the air intake of the indoor air conditioner, and dust in the interior of the indoor air conditioner is more, so that pollution to the fresh air can be caused. In this embodiment air conditioner operation process, through acquireing indoor ambient temperature, new trend temperature and new trend wind speed, according to indoor ambient temperature, new trend temperature, indoor ambient temperature and new trend wind speed calculate the condensation parameter, whether the air conditioner has the condensation risk according to the condensation condition that condensation parameter and new trend are long to correspond the operation section, whether select different condensation conditions to the difference of time gradient, realize the accurate judgement of air conditioner condensation, when judging that the air conditioner satisfies the condensation condition, adjust the parameter of air conditioner, make the air conditioner unsatisfied the condensation condition, thereby avoid the air conditioner to produce the condensation, make the fresh air control of air conditioner more reasonable, the life of air conditioner has also been guaranteed.
The air conditioner also comprises a processor, a memory and an air conditioner control program which is stored on the memory and can run on the processor, the air conditioner control program is executed by the processor to realize the steps of the air conditioner control method of the embodiment, the processor is communicated with the fresh air device, the fresh air device is controlled to open and close fresh air through the air conditioner control program, optionally, a fresh air pipe of the fresh air device is arranged together with the heat exchange copper pipe and the condensate pipe, penetrates through the air pipe from one wall hole to the outside from the inside of the room, and the fresh air pipe is smaller due to the arrangement of the fresh air pipe and the condensate pipe; the installation is simpler and more convenient because 2 holes are needed to be drilled through one hole, and the holes respectively penetrate through the heat exchange copper pipes of the outdoor unit and the indoor unit and the fresh air pipe. The accessible fresh air pipe is to indoor providing the new trend, makes the improvement to the air quality of indoor environment.
The present invention also provides a computer-readable storage medium storing an air conditioner control program that, when executed by a processor, implements the steps of the air conditioner control method according to the above embodiment.
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.
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 apparatus 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 apparatus. 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 apparatus that comprises the element.
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 instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute 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 (7)
1. An air conditioner control method, characterized by comprising the steps of:
acquiring indoor environment temperature, fresh air temperature, indoor environment humidity and fresh air speed;
calculating condensation parameters according to the indoor environment temperature, the fresh air temperature, the indoor environment humidity and the fresh air speed;
when the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval, adjusting the air conditioner parameter to enable the air conditioner not to meet the condensation condition;
the step of adjusting the parameters of the air conditioner comprises:
controlling the air conditioner to close the electric auxiliary heat and/or adjusting the frequency of the compressor and/or reversing the fresh air wind wheel;
the step of controlling the air conditioner to close the electric auxiliary heat and/or adjusting the frequency of the compressor and/or the reverse rotation of the fresh air wind wheel comprises the following steps:
when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is smaller than a preset temperature value, determining the adjusting parameter of the air conditioner as controlling the reversal of the fresh air wind wheel;
and when the difference value between the indoor environment temperature and the fresh air temperature of the air conditioner is greater than or equal to a preset temperature value, determining the adjusting parameter of the air conditioner as the state that the electric auxiliary heat is turned off and/or the running frequency of the compressor is reduced.
2. The air conditioner control method as claimed in claim 1, wherein the step of calculating the condensation parameter based on the indoor ambient temperature, the fresh air temperature, the indoor ambient humidity and the fresh air speed comprises:
after the fresh air is started for a first preset time, calculating the average value of the temperature difference between the ambient temperature in the chamber and the temperature of the fresh air within a second preset time;
and calculating a humidity threshold value according to the temperature difference mean value and the fresh air speed, and taking the humidity threshold value as a condensation parameter.
3. The air conditioner control method according to claim 2, wherein after the step of calculating the condensation parameter based on the indoor ambient temperature, the fresh air temperature, the indoor ambient humidity and the fresh air speed, the method further comprises:
determining the running time of the current fresh air, and determining a fresh air running interval according to the running time of the fresh air;
determining condensation conditions according to the fresh air operation intervals, wherein the condensation conditions corresponding to different fresh air operation intervals are different;
and judging whether the determined condensation conditions are met or not according to the condensation parameters.
4. The air conditioner control method according to claim 3, wherein after the current fresh air operation interval is one hour after the fresh air is turned on, the condensation condition is a first humidity threshold value, and a humidity average value within a second preset time is calculated; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the first humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
when the difference value between the humidity average value and the humidity threshold value is larger than or equal to a first humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval;
after the current fresh air operation interval is operated for one hour again, the condensation condition is a second humidity threshold value; the step of judging whether the determined condensation condition is met according to the condensation parameter comprises the following steps:
when the difference value of the humidity mean value and the humidity threshold value is smaller than the second humidity threshold value, judging that the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval;
and when the difference value of the humidity mean value and the humidity threshold value is larger than or equal to a second humidity threshold value, judging that the condensation parameter meets the condensation condition of the corresponding fresh air operation time interval.
5. The air conditioner control method according to claim 4, wherein after the step of calculating the condensation parameter based on the indoor ambient temperature, the fresh air temperature, the indoor ambient humidity and the fresh air speed, further comprising:
when the condensation parameter does not meet the condensation condition of the corresponding fresh air operation time interval, determining the wind speed of the current fresh air fan according to the determined condensation parameter;
and controlling the operation of the fresh air fan according to the wind speed, and maintaining the fresh air to be conveyed indoors.
6. An air conditioner, characterized in that the air conditioner comprises: the fresh air device is provided with an air inlet and an air outlet, the air inlet is communicated with the outside or the inside, and the air outlet is communicated with the fresh air inlet;
the air conditioner also comprises a processor, a memory and an air conditioner control program which is stored on the memory and can run on the processor, the processor is communicated with the fresh air device, and the air conditioner compressor, the auxiliary heat and the fresh air device are controlled to run by the air conditioner control program; the air conditioner control program, when executed by the processor, implements the steps of the air conditioner control method of any one of claims 1-5.
7. A computer-readable storage medium storing an air conditioner control program which, when executed by a processor, implements the steps of the air conditioner control method according to any one of claims 1 to 5.
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| CN111156666B (en) * | 2019-12-25 | 2020-11-24 | 珠海格力电器股份有限公司 | Fresh air control method and fresh air conditioner |
| CN111306739B (en) * | 2020-02-26 | 2021-09-21 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and electronic equipment |
| CN111811105B (en) * | 2020-07-13 | 2021-11-16 | 南京天加环境科技有限公司 | Control method for preventing water blowing during refrigeration or dehumidification operation of air conditioner internal unit |
| CN111811117A (en) * | 2020-07-17 | 2020-10-23 | 广东美的制冷设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN112728736B (en) * | 2020-12-31 | 2022-09-16 | 广东美的制冷设备有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
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