CN114087712A - Air conditioner condensation prevention control method, air conditioner and storage medium - Google Patents
Air conditioner condensation prevention control method, air conditioner and storage medium Download PDFInfo
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- CN114087712A CN114087712A CN202111397859.7A CN202111397859A CN114087712A CN 114087712 A CN114087712 A CN 114087712A CN 202111397859 A CN202111397859 A CN 202111397859A CN 114087712 A CN114087712 A CN 114087712A
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- 238000009833 condensation Methods 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000005494 condensation Effects 0.000 title abstract description 85
- 230000002265 prevention Effects 0.000 title abstract description 25
- 238000004364 calculation method Methods 0.000 claims description 15
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000000630 rising effect Effects 0.000 description 11
- 238000004590 computer program Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—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
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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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Abstract
The application discloses an air conditioner anti-condensation control method, an air conditioner and a storage medium, wherein the method comprises the following steps: acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of an indoor unit and the panel temperature of an air outlet panel of the indoor unit; determining the dew point temperature of air near the air outlet according to the dry bulb temperature and the wet bulb temperature; when the panel temperature is less than the dew point temperature, the air conditioner performs anti-condensation control. The method and the device improve the accuracy of condensation control prevention of the air conditioner and are beneficial to keeping the comfort of users.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to an air conditioner condensation prevention control method, an air conditioner and a storage medium.
Background
When the air conditioner is used for refrigerating, condensation can be generated under the influence of the ambient temperature, the normal work of the air conditioner can be influenced by the gradual condensation accumulation, the water spray of the air conditioner is caused, and the air conditioner can be damaged in severe cases. Based on the problem of air conditioner condensation, the current air conditioner all specifically prevents the function of condensation control, and the condensation problem of air conditioner can be solved to this function. However, the existing air conditioner compares the indoor environment temperature with the fixed dew point temperature, so as to decide whether to perform anti-condensation control, and the accuracy is poor.
Disclosure of Invention
The embodiment of the application aims to solve the technical problem that the existing air conditioner condensation prevention control accuracy is poor by providing an air conditioner condensation prevention control method, an air conditioner and a storage medium.
The embodiment of the application provides an air conditioner condensation prevention control method, which comprises the following steps:
the air conditioner anti-condensation control method comprises the following steps:
acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of an indoor unit and the panel temperature of an air outlet panel of the indoor unit;
determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature;
and when the panel temperature is lower than the dew point temperature, the air conditioner executes anti-condensation control.
In one embodiment, the air conditioner performs the anti-condensation control including:
the gear of the outdoor fan is reduced;
reducing the operating frequency of the compressor;
the gear of the indoor fan is increased.
In one embodiment, the air conditioner performing the anti-condensation control further includes:
acquiring the current gear of the outdoor fan, wherein the current gear of the outdoor unit is the lowest gear, and executing the step of reducing the running frequency of the compressor;
and when the current gear of the outdoor unit is not the lowest gear, executing the step of reducing the gear of the outdoor fan.
In one embodiment, the air conditioner performing the anti-condensation control further includes:
acquiring a current gear of the indoor fan;
when the current gear of the indoor fan is not a free gear or the current gear of the indoor fan is the highest gear in the free gears, executing the step of reducing the running frequency of the compressor;
and when the current gear of the indoor fan is not the highest gear in the free gears, executing the step of increasing the gear of the indoor fan.
In one embodiment, the air conditioner performing the anti-condensation control further includes:
acquiring a first current gear of the outdoor fan, and acquiring a second current gear of the indoor fan when the first current gear is the lowest gear;
when the second current gear is not a free gear or the second current gear is the highest gear of the free gears, executing the step of reducing the operating frequency of the compressor;
when the first current gear is not the lowest gear, executing the step of reducing the gear of the outdoor fan;
and when the second current gear is not the highest gear in the free gears, executing the step of increasing the gear of the indoor fan.
In one embodiment, the step of reducing the operating frequency of the compressor comprises:
acquiring the current operating frequency of the compressor;
and when the current operating frequency is greater than a preset operating frequency, reducing the current operating frequency.
In an embodiment, after the step of performing the anti-condensation control by the air conditioner when the panel temperature is less than the dew point temperature, the method further includes:
acquiring the running time of the air conditioner for executing anti-condensation control;
when the operation time length reaches a preset time length, acquiring the panel temperature of the air outlet panel and the dew point temperature of the air return inlet again;
and when the acquired panel temperature is greater than or equal to the acquired dew point temperature, the air conditioner exits the anti-condensation control.
In one embodiment, the step of determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature comprises:
acquiring a preset dew point temperature calculation model;
and inputting the dry bulb temperature and the wet bulb temperature into the dew point temperature calculation model to obtain the dew point temperature.
In addition, to achieve the above object, the present application also provides an air conditioner including: the air conditioner anti-condensation control method comprises a memory, a processor and an air conditioner anti-condensation control program which is stored on the memory and can run on the processor, wherein the air conditioner anti-condensation control program realizes the steps of the air conditioner anti-condensation control method when being executed by the processor.
In addition, to achieve the above object, the present application also provides a storage medium having an air conditioner anti-condensation control program stored thereon, which when executed by a processor, implements the steps of the air conditioner anti-condensation control method described above.
The technical scheme of the air conditioner condensation prevention control method, the air conditioner and the storage medium provided in the embodiment of the application at least has the following technical effects or advantages:
this application calculates out near the real-time dew point temperature of air in air outlet through the real-time dry bulb temperature in the return air inlet of indoor set and wet bulb temperature, then carry out the comparison with the panel temperature and the dew point temperature of the air outlet panel of indoor set, if the panel temperature is less than dew point temperature, then judge that the air outlet panel has the risk of condensation, then let the air conditioner carry out and prevent condensation control, with the air-out temperature who risees the indoor set, thereby improve the panel temperature of air outlet panel, reach the mesh that prevents the air outlet panel condensation, the poor technical problem of current air conditioner condensation control accuracy has been solved, not only improved the accuracy of judging whether there is condensation risk in the air outlet panel, still improved the accuracy that the air conditioner prevented condensation control, be favorable to keeping user's travelling comfort.
Drawings
Fig. 1 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating a first embodiment of an anti-condensation control method for an air conditioner according to the present application;
FIG. 3 is a schematic flow chart illustrating a second embodiment of an anti-condensation control method for an air conditioner according to the present application;
FIG. 4 is a schematic flow chart illustrating a third embodiment of an anti-condensation control method for an air conditioner according to the present application;
FIG. 5 is a schematic flow chart illustrating a fourth embodiment of an anti-condensation control method for an air conditioner according to the present application;
fig. 6 is a flowchart illustrating a fifth embodiment of an anti-condensation control method for an air conditioner according to the present application.
Detailed Description
In order to better understand the above technical solutions, exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present application.
It should be noted that fig. 1 is a schematic structural diagram of a hardware operating environment of the air conditioner.
As shown in fig. 1, the air conditioner may include: a processor 1001, such as a CPU, a memory 1005, a user interface 1003, a network interface 1004, a communication bus 1002. The communication bus 1002 is used to implement connection communication among these components. The user interface 1003 may include a Display (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 1 is not intended to be limiting of the air conditioner and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is one type of storage medium, may include therein an operating system, a network communication module, a user interface module, and an air conditioner anti-condensation control program. The operating system is a program for managing and controlling hardware and software resources of the air conditioner, an air conditioner anti-condensation control program, and the running of other software or programs.
In the air conditioner shown in fig. 1, the user interface 1003 is mainly used to connect a terminal and perform data communication with the terminal; the network interface 1004 is mainly used for the background server and performs data communication with the background server; the processor 1001 may be used to call an air conditioner anti-condensation control program stored in the memory 1005.
In the present embodiment, an air conditioner includes: a memory 1005, a processor 1001, and an air conditioner anti-condensation control program stored on the memory 1005 and executable on the processor, wherein:
when the processor 1001 calls the air conditioner condensation prevention control program stored in the memory 1005, the following operations are performed:
acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of an indoor unit and the panel temperature of an air outlet panel of the indoor unit;
determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature;
and when the panel temperature is lower than the dew point temperature, the air conditioner executes anti-condensation control.
The present embodiment provides an embodiment of an anti-condensation control method for an air conditioner, and it should be noted that, although a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different sequence than here.
As shown in fig. 2, in a first embodiment of the present application, an air conditioner anti-condensation control method of the present application includes the steps of:
step S210: and acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of the indoor unit and the panel temperature of an air outlet panel of the indoor unit.
In this embodiment, the air conditioner includes an indoor unit and an outdoor unit, a dry-wet bulb temperature sensor is disposed at a position of a return air inlet of the indoor unit, a temperature sensor is disposed at a position of an air outlet panel of the indoor unit, a dry-wet bulb temperature and a wet-wet bulb temperature of the return air inlet are detected by the dry-wet bulb temperature sensor, and a panel temperature of the air outlet panel is detected by the temperature sensor. The air conditioner obtains the dry bulb temperature and the wet bulb temperature detected by the dry bulb temperature sensor and the wet bulb temperature and the panel temperature detected by the temperature sensor.
Step S220: and determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature.
In this embodiment, the air conditioner calculates the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature. Based on the condensation principle of the air outlet panel, the condensation of the air outlet panel is caused by the fact that the temperature of the panel of the air outlet panel is lower than the dew point temperature of the air around the panel, the temperature of the air around the air outlet panel can be understood as the indoor environment temperature, and the air conditioner generally takes the return air temperature of an indoor unit as the indoor environment temperature, so that the dew point temperature of the air near an air inlet is calculated through the dry bulb temperature and the wet bulb temperature of the return air inlet of the indoor unit. Specifically, step S220 includes:
acquiring a preset dew point temperature calculation model;
and inputting the dry bulb temperature and the wet bulb temperature into the dew point temperature calculation model to obtain the dew point temperature.
A dew point temperature calculation model is preset, and the dew point temperature is calculated by adopting the dew point temperature calculation model. It should be understood that input options of dry-bulb temperature, wet-bulb temperature and dew point temperature are provided in the dew point temperature calculation model, the dew point temperature is selected as the output of the dew point temperature calculation model, the dry-bulb temperature and the wet-bulb temperature are selected as the input of the dew point temperature calculation model, specific parameter values of the dry-bulb temperature and the wet-bulb temperature are respectively input into the dew point temperature calculation model, and the dew point temperature calculation model outputs the dew point temperature calculated by the dry-bulb temperature and the wet-bulb temperature. Assuming that the dry bulb temperature input to the dew point calculation model is 25 degrees celsius, the wet bulb temperature is 24 degrees celsius, and the dew point temperature output by the dew point calculation model is 23.63 degrees celsius.
Step S230: judging whether the panel temperature is lower than the dew point temperature or not; if yes, go to step S240; if not, step S210 is performed.
Step S240: the air conditioner performs anti-condensation control.
In order to prevent the air outlet panel from condensation, the panel temperature is compared with the calculated dew point temperature to judge whether the panel temperature is less than the dew point temperature, if the panel temperature is less than the dew point temperature, the risk of condensation of the air outlet panel is shown, then, the air conditioner is controlled to execute condensation prevention control, namely, the air conditioner is controlled to enter a condensation prevention control mode. After the air conditioner executes the condensation prevention control, the air outlet temperature of the indoor unit is improved relative to the air conditioner which does not execute the condensation prevention control, so that the panel temperature of the air outlet panel is increased, the increased panel temperature can be higher than the dew point temperature, the water vapor in the air can not be liquefied, and the condensation of the air outlet panel can be avoided. If the panel temperature is greater than or equal to the dew point temperature, which indicates that there is no risk of condensation on the air outlet panel, S210 is continuously performed. Wherein, the panel temperature is less than the dew point temperature minus a preset value, e.g., the panel temperature is less than the dew point temperature minus 1; the panel temperature is larger than or equal to the dew point temperature minus a preset value, for example, the panel temperature is larger than or equal to the dew point temperature minus 1, so that whether the risk of condensation exists on the air outlet panel can be accurately judged.
Furthermore, a condensation sensor can be arranged on the air outlet panel and used for detecting condensation. Whether the air conditioner passes through the condensation sensor and carries out real-time detection to the condensation on the air outlet panel, after judging that panel temperature is greater than or equal to dew point temperature, then whether there is the condensation on detecting the air outlet panel, if there is the condensation on detecting the air outlet panel, then show that the condensation problem has appeared on the air outlet panel, the panel temperature that detects is inaccurate, the panel temperature that detects in theory is less than dew point temperature, based on this, need compensate the panel temperature that detects, after the compensation, make panel temperature be less than dew point temperature, thereby trigger and prevent the condensation control, the air conditioner carries out and prevents the condensation control, thereby the erroneous judgement of condensation on the air outlet panel has been avoided. If the panel temperature is greater than or equal to the dew point temperature and no condensation is detected on the tuyere panel, S210 is continuously executed.
According to the technical scheme, the real-time dew point temperature of the air near the air outlet can be calculated through the dry bulb temperature and the wet bulb temperature of the air return opening of the indoor unit, then the dew point temperature and the panel temperature of the air outlet panel are compared to decide whether to control the air conditioner to execute the condensation prevention control, the accuracy of judging whether the air outlet panel has the condensation risk is improved, the accuracy of the condensation prevention control of the air conditioner is also improved, and the comfort of a user is kept.
As shown in fig. 3, in a second embodiment of the present application, an air conditioner anti-condensation control method of the present application includes the steps of:
step S210: and acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of the indoor unit and the panel temperature of an air outlet panel of the indoor unit.
Step S220: and determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature.
Step S230: judging whether the panel temperature is lower than the dew point temperature or not; if yes, performing at least one of step S241, step S242, and step S243; if not, step S210 is performed.
Step S241: the gear of the outdoor fan is reduced.
Step S242: the operating frequency of the compressor is reduced.
Step S243: the gear of the indoor fan is increased.
In this embodiment, the implementation contents of steps S210 to S230 are the same as those of steps S210 to S230 in the first embodiment, and are not described herein again.
Specifically, when it is determined that the panel temperature is less than the dew point temperature, the air conditioner performs the anti-condensation control, and the air conditioner performs the anti-condensation control specifically includes at least one of step S241, step S242, and step S243.
When the air conditioner refrigerates, the outdoor fan is used for cooling the refrigerant flowing in the condenser, the higher the rotating speed of the outdoor fan is, the better the cooling effect of the refrigerant is, and the slower the rotating speed of the outdoor fan is, the lower the cooling effect of the refrigerant is. After reducing the gear of outdoor fan, the rotational speed of outdoor fan reduces, because the rotational speed of outdoor fan reduces, the cooling effect of refrigerant reduces, the refrigerant that flows is difficult to abundant by the condensation become liquid in the condenser, and then make the refrigeration cooling effect of indoor set evaporimeter step-down, the air-out temperature of indoor set risees to some extent, after the air-out temperature of indoor set risees, the panel temperature of the air outlet panel of indoor set receives the influence of air-out temperature, the panel temperature also can be along with rising, along with the panel temperature risees gradually, the panel temperature after the rising can be greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel, the risk of condensation on the air outlet panel has so been avoided.
When the air conditioner refrigerates, reduce the operating frequency of compressor, can reduce the refrigerant volume of the evaporimeter of inflow indoor set, the refrigerant volume that flows into the evaporimeter reduces, the evaporating temperature of evaporimeter can rise, because the rising of evaporating temperature, the air-out temperature of indoor set also can rise, along with the rising of air-out temperature, the panel temperature of the air outlet panel of indoor set receives the influence of air-out temperature, the panel temperature also can be along with rising, along with the panel temperature risees gradually, the panel temperature after the rising can be greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel, the risk of condensation on the air outlet panel has so been avoided.
When the air conditioner refrigerates, increase the gear of indoor fan, the rotational speed increase of indoor fan, after the rotational speed increase of indoor fan, the amount of wind increase of the air-out of indoor set, the air-out temperature of indoor set can rise, along with the rising of air-out temperature, the panel temperature of the air outlet panel of indoor set receives the influence of air-out temperature, panel temperature also can be along with rising, along with panel temperature risees gradually, panel temperature after the rising can be greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel, the risk of condensation on the air outlet panel has so been avoided.
According to the technical scheme, the temperature of the panel can be increased by reducing at least one of the gears of the outdoor fan, the running frequency of the compressor and the gear of the indoor fan, and condensation on the panel of the air outlet is avoided.
As shown in fig. 4, in a third embodiment of the present application, an air conditioner anti-condensation control method of the present application includes the steps of:
step S210: and acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of the indoor unit and the panel temperature of an air outlet panel of the indoor unit.
Step S220: and determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature.
Step S230: judging whether the panel temperature is lower than the dew point temperature or not; if yes, go to step S250; if not, step S210 is performed.
Step S250: and acquiring the current gear of the outdoor fan.
Step S251: the current gear of the outdoor unit is the lowest gear, and the running frequency of the compressor is reduced.
Step S252: and when the current gear of the outdoor unit is not the lowest gear, reducing the current gear of the outdoor unit.
In this embodiment, the implementation contents of steps S210 to S230 are the same as those of steps S210 to S230 in the first embodiment, and are not described herein again.
Specifically, the air conditioner performs anti-condensation control when it is determined that the panel temperature is less than the dew point temperature. Because during the air conditioner refrigeration, can prevent through the gear that reduces outdoor fan that condensation on the air outlet panel reduces the operating frequency of compressor and also can prevent condensation on the air outlet panel, prevent condensation control specifically to do based on this air conditioner execution: when judging that the panel temperature is less than dew point temperature, acquire the current gear of outdoor fan, then judge whether current gear is minimum gear, if current gear is minimum gear, then indicate that the rotational speed of outdoor fan is minimum rotational speed, can't reduce again, consequently can be through the operating frequency who reduces the compressor to make the air-out temperature of indoor set rise, thereby rise the panel temperature of air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel.
If the current gear is not the lowest gear, the rotating speed of the outdoor fan is reduced, namely the rotating speed of the outdoor fan is reduced by reducing the current gear, so that the outlet air temperature of the indoor unit is increased, the panel temperature of the air outlet panel is increased, and after the panel temperature is higher than the dew point temperature, condensation is difficult to generate on the air outlet panel. The mode of lowering the current gear can be selected to lower the current gear by one gear.
According to the technical scheme, the rotating speed of the outdoor fan and the running frequency of the compressor are adjusted in a matched mode, condensation prevention control of the air conditioner can be achieved more accurately, and comfort requirements of users can be met better.
As shown in fig. 5, in a fourth embodiment of the present application, an air conditioner anti-condensation control method of the present application includes the steps of:
step S210: and acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of the indoor unit and the panel temperature of an air outlet panel of the indoor unit.
Step S220: and determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature.
Step S230: judging whether the panel temperature is lower than the dew point temperature or not; if yes, go to step S260; if not, step S210 is performed.
Step S260: and acquiring the current gear of the indoor fan.
Step S261: and when the current gear of the indoor fan is not a free gear or the current gear of the indoor fan is the highest gear in the free gears, reducing the running frequency of the compressor.
Step S262: and when the current gear of the indoor fan is not the highest gear in the free gears, increasing the current gear of the indoor fan.
In this embodiment, the implementation contents of steps S210 to S230 are the same as those of steps S210 to S230 in the first embodiment, and are not described herein again.
Specifically, the air conditioner performs anti-condensation control when it is determined that the panel temperature is less than the dew point temperature. Because during the air conditioner refrigeration, can prevent through the gear of increase indoor fan that the condensation on the air outlet panel reduces the operating frequency of compressor and also can prevent the condensation on the air outlet panel, prevents condensation control based on this air conditioner execution and specifically does: when judging that the panel temperature is less than dew point temperature, obtain the current gear of indoor fan, then judge whether current gear is free gear, if current gear is not free gear, then indicate that the current gear of indoor fan is that the user sets up according to the demand of oneself, can not violate customer's will, so can't adjust, consequently can be through the operating frequency who reduces the compressor, so that the air-out temperature of indoor set risees, thereby the panel temperature of rising air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel.
Or, judge whether current gear is free gear, if current gear is free gear, then judge whether current gear is the highest gear in the free gear, if current gear is the highest gear in the free gear, then indicate that the rotational speed of outdoor indoor set does not have the space of increase, consequently can be through reducing the operating frequency of compressor to make the air-out temperature of indoor set rise, thereby rise the panel temperature of air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel.
If current gear is free gear, and current gear is not the highest gear in the free gear, shows that outdoor internal machine's rotational speed has the space of increase, then increases indoor fan's current gear to increase indoor fan's rotational speed, thereby make the air-out temperature of indoor set rise, and then rise the panel temperature of air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel. The mode of increasing the current gear of the indoor fan can select to increase the current gear by one gear.
According to the technical scheme, the rotating speed of the indoor fan and the operating frequency of the compressor are adjusted in a matched mode, condensation prevention control of the air conditioner can be achieved more accurately, and comfort requirements of users can be met better.
As shown in fig. 6, in a fifth embodiment of the present application, an air conditioner condensation prevention control method of the present application includes the steps of:
step S210: and acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of the indoor unit and the panel temperature of an air outlet panel of the indoor unit.
Step S220: and determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature.
Step S230: judging whether the panel temperature is lower than the dew point temperature or not; if yes, go to step S270; if not, step S210 is performed.
Step S270: acquiring a first current gear of the outdoor fan;
step S271: when the first current gear is the lowest gear, acquiring a second current gear of the indoor fan;
step S272: when the second current gear is not a free gear or the second current gear is the highest gear in the free gears, reducing the running frequency of a compressor;
step S273: when the first current gear is not the lowest gear, lowering the first current gear.
Step S274: increasing the second current gear when the second current gear is not a highest gear of the free gears.
In this embodiment, the implementation contents of steps S210 to S230 are the same as those of steps S210 to S230 in the first embodiment, and are not described herein again.
Specifically, the air conditioner performs anti-condensation control when it is determined that the panel temperature is less than the dew point temperature. Because during the air conditioner refrigeration, can prevent through the gear that reduces outdoor fan that the condensation on the air outlet panel also can prevent through the gear of increase indoor fan that the condensation on the air outlet panel reduces the operating frequency of compressor and also can prevent the condensation on the air outlet panel, and based on this, the air conditioner execution prevents that the condensation control specifically is: when the temperature of the panel is judged to be lower than the dew point temperature, a first current gear of the indoor fan is obtained, whether the first current gear is the lowest gear or not is judged, if the first current gear is the lowest gear, the rotating speed of the outdoor fan is the lowest rotating speed, the rotating speed cannot be reduced, a second current gear of the indoor fan needs to be further obtained, and whether the second current gear can be increased or not is judged.
If the first current gear is not the lowest gear, the rotating speed of the outdoor fan is reduced, namely the rotating speed of the outdoor fan is reduced by reducing the first current gear, so that the outlet air temperature of the indoor unit is increased, the panel temperature of the air outlet panel is increased, and after the panel temperature is higher than the dew point temperature, condensation is difficult to generate on the air outlet panel. The mode of lowering the first current gear can select to lower the first current gear by one gear.
Further, be the lowest gear at first current gear, and after obtaining the current gear of second of indoor fan, judge whether the current gear of second is free gear, if the current gear of second is not free gear, then it is the user that the current gear of second that represents indoor fan is set up according to the demand of oneself, can not violate customer's wish, so unable regulation, consequently, can be through the operating frequency who reduces the compressor, so that the air-out temperature of indoor set risees, thereby the panel temperature of rising air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel.
Or, judge whether the second current gear is the free gear, if the second current gear is the free gear, then judge whether the second current gear is the highest gear in the free gear, if the second current gear is the highest gear in the free gear, then it does not have the space of increase to show the rotational speed of outdoor indoor set, consequently can be through the operating frequency who reduces the compressor to make the outlet air temperature of indoor set rise, thereby rise the panel temperature of air outlet panel, after the panel temperature is greater than dew point temperature, just be difficult to produce the condensation on the air outlet panel.
If the second current gear is a free gear and is not the highest gear in the free gears, the rotating speed of the indoor unit has increased space, the second current gear of the indoor fan is increased to increase the rotating speed of the indoor fan, so that the outlet air temperature of the indoor unit is increased, the panel temperature of the air outlet panel is further increased, and after the panel temperature is higher than the dew point temperature, condensation is difficult to generate on the air outlet panel. The manner of increasing the second current gear of the indoor fan may be to select to increase the second current gear by one gear.
According to the technical scheme, the rotating speed of the outdoor fan, the rotating speed of the indoor fan and the operating frequency of the compressor are adjusted in a matched mode, condensation prevention control of the air conditioner can be achieved more accurately, and comfort requirements of users can be met better.
Further, the step of reducing the operating frequency of the compressor specifically includes:
acquiring the current operating frequency of the compressor;
and when the current operating frequency is greater than a preset operating frequency, reducing the current operating frequency.
The preset operation frequency represents the minimum operation frequency of the compressor, whether the current operation frequency of the compressor has a space which can be reduced or not is judged by comparing the preset operation frequency with the current operation frequency of the compressor, and if the current operation frequency is smaller than or equal to the preset operation frequency, the current operation frequency does not have the space which can be reduced, namely the current operation frequency cannot be reduced. And if the current operating frequency is greater than the preset operating frequency, the current operating frequency is reduced, wherein the current operating frequency has a space which can be reduced. The current operating frequency is reduced by a preset frequency. For example, if the preset frequency is 2Hz, the current operating frequency is lowered by 2Hz each time. So through the operating frequency who reduces the compressor to prevent to produce the condensation on the air outlet panel.
Further, when the panel temperature is lower than the dew point temperature, after the step of performing the anti-condensation control by the air conditioner, the method further comprises the following steps:
acquiring the running time of the air conditioner for executing the anti-condensation control;
when the operation time length reaches a preset time length, acquiring the panel temperature of the air outlet panel and the dew point temperature of the air return inlet again;
and when the acquired panel temperature is greater than or equal to the acquired dew point temperature, the air conditioner exits the anti-condensation control.
Specifically, after the air conditioner executes the anti-condensation control, timing is started, the air conditioner is made to execute the anti-condensation control operation for a period of time, so that the air outlet temperature of the indoor unit is gradually increased, the panel temperature of the air outlet panel is gradually increased, the panel temperature and the dry bulb temperature and the wet bulb temperature of the air return port are obtained again when the operation duration of the air conditioner executing the anti-condensation control reaches the preset duration. For example, when the preset time is 5 minutes, that is, the time for the air conditioner to perform the anti-condensation control operation is greater than or equal to 5 minutes, the current panel temperature and the dry bulb temperature and the wet bulb temperature of the return air inlet are obtained again. Further, the dew point temperature of the air near the air outlet is calculated through the dry-bulb temperature and the wet-bulb temperature which are obtained again, then the obtained panel temperature and the obtained dew point temperature are compared, whether the air conditioner performs the condensation prevention control or not is judged, if the obtained panel temperature is larger than or equal to the obtained dew point temperature, the air conditioner performs the condensation prevention control and plays a role in condensation prevention, condensation on the panel of the air outlet is difficult to occur, and then the air conditioner quits the condensation prevention control. And if the panel temperature obtained again is lower than the dew point temperature obtained again, the air conditioner continues to execute the condensation prevention control until the panel temperature is higher than or equal to the dew point temperature, and then the condensation prevention control is quitted. Therefore, the air conditioner can have sufficient time to prevent condensation on the air outlet panel.
Further, the anti-condensation control method of the air conditioner further comprises the following steps:
acquiring the running time of a compressor after the air conditioner is started;
and when the operation time reaches a preset time, executing the step of acquiring the dry bulb temperature and the wet bulb temperature of the air return inlet of the indoor unit and the panel temperature of the air outlet panel of the indoor unit.
Specifically, after the air conditioner is started, the compressor is operated for a preset time, and when the air conditioner is used for cooling, after the compressor is operated for the preset time, the indoor ambient temperature is gradually maintained uniform, and then step S210 is executed. If the preset time is set to be 10 minutes, the air conditioner starts to time after being started, whether the running time of the compressor is greater than or equal to 10 minutes or not is detected, if the running time is greater than or equal to 10 minutes, the indoor environment temperature basically tends to be uniform, the dry bulb temperature and the wet bulb temperature detected by the dry bulb and wet bulb temperature sensor and the panel temperature detected by the temperature sensor can be obtained, and the accuracy of the obtained dry bulb temperature, the obtained wet bulb temperature and the panel temperature is improved.
Further, the present application also provides an air conditioner, including: the air conditioner anti-condensation control method comprises a memory, a processor and an air conditioner anti-condensation control program which is stored on the memory and can run on the processor, wherein the air conditioner anti-condensation control program realizes the steps of the air conditioner anti-condensation control method when being executed by the processor.
Further, the present application provides a storage medium having an air conditioner anti-condensation control program stored thereon, where the air conditioner anti-condensation control program implements the steps of the air conditioner anti-condensation control method when executed by the processor.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An air conditioner anti-condensation control method is characterized by comprising the following steps:
acquiring the dry bulb temperature and the wet bulb temperature of an air return inlet of an indoor unit and the panel temperature of an air outlet panel of the indoor unit;
determining the dew point temperature of the air near the air outlet according to the dry bulb temperature and the wet bulb temperature;
and when the panel temperature is lower than the dew point temperature, the air conditioner executes anti-condensation control.
2. The method of claim 1, wherein the air conditioner performs the anti-condensation control including:
reducing the gear of the outdoor fan;
reducing the operating frequency of the compressor;
the gear of the indoor fan is increased.
3. The method of claim 2, wherein the air conditioner performing the anti-condensation control further comprises:
acquiring the current gear of the outdoor fan, wherein the current gear of the outdoor unit is the lowest gear, and executing the step of reducing the running frequency of the compressor;
and when the current gear of the outdoor unit is not the lowest gear, executing the step of reducing the gear of the outdoor fan.
4. The method of claim 2, wherein the air conditioner performing the anti-condensation control further comprises:
acquiring a current gear of the indoor fan;
when the current gear of the indoor fan is not a free gear or the current gear of the indoor fan is the highest gear in the free gears, executing the step of reducing the running frequency of the compressor;
and when the current gear of the indoor fan is not the highest gear in the free gears, executing the step of increasing the gear of the indoor fan.
5. The method of claim 2, wherein the air conditioner performing the anti-condensation control further comprises:
acquiring a first current gear of the outdoor fan, and acquiring a second current gear of the indoor fan when the first current gear is the lowest gear;
when the second current gear is not a free gear or the second current gear is the highest gear of the free gears, executing the step of reducing the operating frequency of the compressor;
when the first current gear is not the lowest gear, executing the step of reducing the gear of the outdoor fan;
and when the second current gear is not the highest gear in the free gears, executing the step of increasing the gear of the indoor fan.
6. The method of claim 2, wherein the step of reducing the operating frequency of the compressor comprises:
acquiring the current operating frequency of the compressor;
and when the current operating frequency is greater than a preset operating frequency, reducing the current operating frequency.
7. The method of claim 1, wherein after the step of performing the anti-condensation control by the air conditioner when the panel temperature is less than the dew point temperature, further comprising:
acquiring the running time of the air conditioner for executing anti-condensation control;
when the operation time length reaches a preset time length, acquiring the panel temperature of the air outlet panel and the dew point temperature of the air return inlet again;
and when the acquired panel temperature is greater than or equal to the acquired dew point temperature, the air conditioner exits the anti-condensation control.
8. The method of claim 1, wherein the step of determining the dew point temperature of the air proximate the outlet based on the dry bulb temperature and the wet bulb temperature comprises:
acquiring a preset dew point temperature calculation model;
and inputting the dry bulb temperature and the wet bulb temperature into the dew point temperature calculation model to obtain the dew point temperature.
9. An air conditioner, characterized in that the air conditioner comprises: a memory, a processor, and an air conditioner anti-condensation control program stored on the memory and executable on the processor, the air conditioner anti-condensation control program when executed by the processor implementing the steps of the air conditioner anti-condensation control method as recited in any one of claims 1-8.
10. A storage medium having stored thereon an air conditioner anti-condensation control program, the air conditioner anti-condensation control program when executed by a processor implementing the steps of the air conditioner anti-condensation control method according to any one of claims 1-8.
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