CN112325446A - Control method of air conditioner and air conditioner - Google Patents
Control method of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN112325446A CN112325446A CN202011105703.2A CN202011105703A CN112325446A CN 112325446 A CN112325446 A CN 112325446A CN 202011105703 A CN202011105703 A CN 202011105703A CN 112325446 A CN112325446 A CN 112325446A
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- temperature
- air deflector
- air
- air conditioner
- control method
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
Abstract
The invention provides an air conditioner and a control method thereof. The control method comprises the following steps: s1, starting the condensation preventing function of the air conditioner after the air conditioner enters the refrigeration mode; s2, acquiring the temperature of an air deflector of the air conditioner; s3, judging whether the fluctuation range of the air deflector temperature is smaller than a preset temperature value or not according to the air deflector temperature, and if so, acquiring the dew point temperature under the current environment; and S4, heating the air deflector of the air conditioner according to the dew point temperature and the air deflector temperature to prevent condensation on the air deflector. Based on the control method, the temperature of the air deflector can be automatically adjusted after the air conditioner is improved, so that the temperature of the air deflector is always higher than the dew point temperature of air in a room, and the generation of condensed water is blocked.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method of an air conditioner and the air conditioner.
Background
In the existing air-conditioning indoor unit, heat insulation and water absorption are realized by sticking a liner or foam on the outer wall of an air duct, so that condensation prevention is realized. However, the anti-condensation measure not only has difficult production operation, poor stability and large occupied space, but also is easy to generate noise with the plastic air duct due to expansion caused by heat and contraction caused by cold. The air outlet and the air deflector are most obvious in water drop and easy to cause complaints of users, few products are used for preventing the problem, the air conditioner faces different working conditions when the user operates at home, and the complaints are often caused by the water drop problem of the air deflector due to condensation. In view of the above, there is a need for a stable anti-condensation air conditioner suitable for different working conditions.
Disclosure of Invention
In view of the above, the present invention provides a control method for an air conditioner and an air conditioner, which are at least used for solving the technical problem in the prior art that condensation is easily generated during cooling of the air conditioner, and specifically:
in a first aspect, the present invention discloses a control method of an air conditioner, the control method comprising:
s1, starting the condensation preventing function of the air conditioner after the air conditioner enters the refrigeration mode;
s2, acquiring the temperature of an air deflector of the air conditioner;
s3, judging whether the fluctuation range of the air deflector temperature is smaller than a preset temperature value or not according to the air deflector temperature, and if so, acquiring the dew point temperature under the current environment;
and S4, heating the air deflector of the air conditioner according to the dew point temperature and the air deflector temperature to prevent condensation on the air deflector.
Further optionally, the step S2 includes: and continuously collecting the temperature of the air deflector in a plurality of areas on the air deflector.
Further optionally, the step S3 includes:
s31, selecting the lowest point temperature of the air deflector temperatures of the multiple areas as the current air deflector temperature;
s32, judging whether the current air deflector temperature is smaller than the preset temperature value within a first preset time, and if so, detecting the ambient temperature and the ambient humidity of the position where the air deflector of the air conditioner is located;
and S33, calculating the dew point temperature according to the ambient temperature and the ambient humidity.
Further optionally, the plurality of regions are three, and include a region a, a region B, and a region C sequentially divided along the length direction of the air deflector, and the temperatures of the corresponding three regions are respectively Ta、Tb、Tc，
If Ta＜Tb＜TcOr Ta＜Tc＜TbCurrent air deflector temperature TAir deflector＝Ta；
If Tb＜Ta＜TcOr Tb＜Tc＜TaCurrent air deflector temperature TAir deflector＝Tb；
If Tc＜Ta＜TbOr Tc＜Tb＜TaCurrent air deflector temperature TAir deflector＝Tc。
Further optionally, the step S4 includes:
when the current air deflector temperature is lower than the dew point temperature, gradually increasing the heating power of the air deflector according to a first preset heating rule to enable the temperature of the air deflector to be higher than the dew point temperature.
Further optionally, the step S4 further includes:
and when the current air deflector temperature is higher than the dew point temperature and the temperature difference does not exceed the preset temperature difference, keeping constant heating power to heat the air deflector.
Further optionally, the step S4 further includes:
and when the current temperature of the air deflector exceeds the dew point temperature and reaches a preset temperature difference, gradually reducing the heating power of the air deflector according to a second preset heating rule.
Further optionally, the step S4 further includes:
and when the current air deflector temperature exceeds the dew point temperature and reaches a preset heating time, stopping heating the air deflector, and exiting the condensation prevention function.
In a second aspect, the present invention discloses an air conditioner using the control method of any one of claims 1 to 7,
the air conditioner includes:
the temperature and humidity acquisition device is used for acquiring the temperature of the air deflector, the ambient temperature and the ambient humidity;
the heating device is used for heating the air deflector;
and the controller is used for controlling the heating device to realize the control method according to the temperature of the air deflector, the ambient temperature and the ambient humidity.
Further optionally, the air conditioner further includes: the air deflector is arranged at the air outlet of the air conditioner and adopts a double-layer structure, wherein a heating plate of the heating device is arranged in the double-layer structure.
Further optionally, the temperature control operation mode of the heating plate adopts electric heating or magnetic heating.
Has the advantages that: the invention realizes the automatic adjustment of the temperature of the air deflector by improving the air conditioner, so that the temperature of the air deflector is higher than the dew point temperature of air in a room, and the generation of condensed water is blocked.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
Fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a specific control process of the air conditioner according to the embodiment of the present invention
FIG. 3 shows a side view of an air conditioner indoor unit in an embodiment of the present invention;
FIG. 4 shows a front view of an air conditioner indoor unit in an embodiment of the present invention;
FIG. 5 is a schematic view of an air deflector of an air conditioner according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating a driving assembly of an air deflector in an air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The problem that condensation of an air deflector drips exists when an air conditioner indoor unit is used for refrigerating at present, and due to the generation of condensation water, condensation water of a panel and the air deflector of the air conditioner indoor unit is gathered to be unattractive, and the dripping risk is increased during long-time refrigerating operation. According to the invention, the air conditioner is improved, the temperature-controllable air deflector is additionally arranged, the adjustment can be carried out according to the temperature and humidity change of a room, the control method of the air conditioner is improved, and the entrance and exit of the summary condensation prevention function of the control method are optimized. The present invention will be described in detail with reference to specific examples.
Example 1
As shown in fig. 1, in the present embodiment, there is provided a control method of an air conditioner, the control method including:
s1, starting the condensation preventing function of the air conditioner after the air conditioner enters the refrigeration mode;
s2, acquiring the temperature of an air deflector of the air conditioner;
s3, judging whether the fluctuation range of the air deflector temperature is smaller than a preset temperature value or not according to the air deflector temperature, and if so, acquiring the dew point temperature under the current environment;
and S4, heating the air deflector of the air conditioner according to the dew point temperature and the air deflector temperature to prevent condensation on the air deflector.
Preferably, step S2 includes: and continuously collecting the temperature of the air deflector in a plurality of areas on the air deflector. Step S3 includes: selecting the lowest point temperature of the air deflector temperatures in the multiple areas as the current air deflector temperature; judging whether the current air deflector temperature is less than a preset temperature value within a first preset time, and detecting the ambient temperature and the ambient humidity of the position where an air deflector of the air conditioner is located if the current air deflector temperature is less than the preset temperature value within the first preset time; the dew point temperature is calculated from the ambient temperature and the ambient humidity. It should be noted that the dew point temperature may be a temperature value detected at any time after the temperature of the air deflector is stabilized; and the dew point temperature at the latest moment can be calculated in real time and is compared with the air deflector temperature at the corresponding moment. The control method in the embodiment can realize a better condensation prevention effect by collecting the initial air deflector temperature when the air deflector is stable after starting and combining the air deflector temperature at the stage.
In this embodiment, if the temperature of the current air deflector is lower than the dew-point temperature, the heating power for the air deflector is gradually increased according to a first preset heating rule so that the temperature of the air deflector is higher than the dew-point temperature; if the temperature of the current air deflector is higher than the dew point temperature and the temperature difference does not exceed the preset temperature difference, keeping constant heating power to heat the air deflector; and if the temperature of the current air deflector exceeds the dew point temperature and reaches the preset temperature difference, gradually reducing the heating power of the air deflector according to a second preset heating rule. In addition, if the current air deflector temperature exceeds the dew point temperature and reaches the preset heating time, the air deflector is stopped being heated, and the condensation prevention function is quitted.
In combination with the control method in the embodiment, a more specific implementation process of preventing condensed water in the air conditioner is provided.
As shown in FIG. 2, after normal power-on, the temperature sensor Pa、Pb、PcThe temperature T of A, B, C three positions on the air deflector is collecteda、Tb、TcOutputting temperature T once every 10sAir deflectorIf DeltaT is detected for 5min continuouslyx<1 ℃, memorizing the temperature value T at the momentX(ii) a Simultaneous temperature sensor PTAnd a humidity sensor PdStart of the temperature T of the surrounding airRing (C)And humidity DRing (C)While simultaneously outputting dew point temperature TDew. At this time, if TAir deflector<TDewControlling the current input into the heating plate to increase so as to enable the temperature of the air guide plate to start to rise; when in useDetecting TAir deflector>TDewControlling the current input into the heating plate to be stable; when DeltaT is detected>Controlling the current input into the heating plate to be reduced at 2 ℃; when T is detected for 3minDew<TXAnd when the air conditioner is in use, the air conditioner is controlled not to input current to the heating plate any more, and the air conditioner quits the condensation prevention function.
The following is a partial parameter calculation formula:
it should be noted that, since the state point of the humid air can be determined by any two independent state parameters, the psychrometric chart is inputted into the controller system, and when the temperature sensor and the humidity sensor detect the dry bulb temperature TRing (C)And relative humidity DRing (C)After, TDewCan be automatically derived by the program.
Example 2
In the present embodiment, there is provided an air conditioner using the control method of any one of embodiments 1. Specifically, the air conditioner includes: the temperature and humidity acquisition device is used for acquiring the temperature of the air deflector, the ambient temperature and the ambient humidity; the heating device is used for heating the air deflector; and the controller is used for controlling the heating device to realize the control method according to the temperature of the air deflector, the ambient temperature and the ambient humidity. Wherein, the humiture sensor that carries out the collection to ambient temperature and ambient humidity in the humiture collection device arranges in the A position in fig. 3.
Preferably, the air conditioner further comprises: the air deflector 1 is arranged at the air outlet of the air conditioner, the air deflector 1 adopts a double-layer structure, and a heating plate of the heating device is arranged in the double-layer structure. The temperature control working mode of the heating plate adopts electric heating or magnetic heating or other heating modes. As shown in fig. 3-6, based on the double-layer structure of the air deflector, a heating plate is embedded between two layers of the air deflector, one end of the heating plate is provided with a connecting wire and a connecting plug, and the connecting plug penetrates out of a wiring hole 5 on the air deflector 1 and then is connected with a jack 4 on the driving strip 2; a temperature sensor P is correspondingly arranged in the A, B, C three areas of the air deflectoraTemperature sensor PbTemperature sensor PcA temperature sensor P is arranged on the side surface of the inner machineTAnd a humidity sensor PdThe temperature and humidity of the air around the air conditioner in the room can be detected. As shown in fig. 6, the driving assembly of the air deflector 1 includes a driving box 3 and a driving bar 2 thereon, wherein the driving bar 2 is respectively located at two sides of the air conditioner and extends and retracts through the movement of the sliding groove, so as to drive the air deflector 1 to extend and close.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A control method of an air conditioner, characterized in that the control method comprises:
s1, starting the condensation preventing function of the air conditioner after the air conditioner enters the refrigeration mode;
s2, acquiring the temperature of an air deflector of the air conditioner;
s3, judging whether the fluctuation range of the air deflector temperature is smaller than a preset temperature value or not according to the air deflector temperature, and if so, acquiring the dew point temperature under the current environment;
and S4, heating the air deflector of the air conditioner according to the dew point temperature and the air deflector temperature to prevent condensation on the air deflector.
2. The control method according to claim 1, wherein the step S2 includes:
and continuously collecting the temperature of the air deflector in a plurality of areas on the air deflector.
3. The control method according to claim 2, wherein the step S3 includes:
s31, selecting the lowest point temperature of the air deflector temperatures of the multiple areas as the current air deflector temperature;
s32, judging whether the current air deflector temperature is smaller than the preset temperature value within a first preset time, and if so, detecting the ambient temperature and the ambient humidity of the position where the air deflector of the air conditioner is located;
and S33, calculating the dew point temperature according to the ambient temperature and the ambient humidity.
4. The control method according to claim 3, wherein the plurality of zones is three, and comprises a zone A, a zone B and a zone C which are sequentially divided along the length direction of the air deflector, and the temperatures of the three corresponding zones are respectively Ta、Tb、Tc，
If Ta＜Tb＜TcOr Ta＜Tc＜TbCurrent air deflector temperature TAir deflector＝Ta；
If Tb＜Ta＜TcOr Tb＜Tc＜TaCurrent air deflector temperature TAir deflector＝Tb；
If Tc＜Ta＜TbOr Tc＜Tb＜TaCurrent air deflector temperature TAir deflector＝Tc。
5. The control method according to claim 3, wherein the step S4 includes:
when the current air deflector temperature is lower than the dew point temperature, gradually increasing the heating power of the air deflector according to a first preset heating rule to enable the temperature of the air deflector to be higher than the dew point temperature.
6. The control method according to claim 5, wherein the step S4 further includes:
and when the current air deflector temperature is higher than the dew point temperature and the temperature difference does not exceed the preset temperature difference, keeping constant heating power to heat the air deflector.
7. The control method according to claim 6, wherein the step S4 further includes:
and when the current temperature of the air deflector exceeds the dew point temperature and reaches a preset temperature difference, gradually reducing the heating power of the air deflector according to a second preset heating rule.
8. The control method according to any one of claims 5 to 7, wherein the step S4 further includes:
and when the current air deflector temperature exceeds the dew point temperature and reaches a preset heating time, stopping heating the air deflector, and exiting the condensation prevention function.
9. An air conditioner characterized in that the air conditioner uses the control method according to any one of claims 1 to 8,
the air conditioner includes:
the temperature and humidity acquisition device is used for acquiring the temperature of the air deflector, the ambient temperature and the ambient humidity;
the heating device is used for heating the air deflector;
and the controller is used for controlling the heating device to realize the control method according to the temperature of the air deflector, the ambient temperature and the ambient humidity.
10. The air conditioner according to claim 9, further comprising: the air deflector is arranged at the air outlet of the air conditioner and adopts a double-layer structure, wherein a heating plate of the heating device is arranged in the double-layer structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011105703.2A CN112325446A (en) | 2020-10-15 | 2020-10-15 | Control method of air conditioner and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011105703.2A CN112325446A (en) | 2020-10-15 | 2020-10-15 | Control method of air conditioner and air conditioner |
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Cited By (5)
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| CN114087712A (en) * | 2021-11-23 | 2022-02-25 | 美的集团武汉暖通设备有限公司 | Air conditioner condensation prevention control method, air conditioner and storage medium |
| CN114543300A (en) * | 2022-01-21 | 2022-05-27 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN114646138A (en) * | 2022-03-14 | 2022-06-21 | 青岛海尔空调器有限总公司 | Control method and control system for preventing condensation of air conditioner, electronic equipment and storage medium |
| CN114738895A (en) * | 2022-04-08 | 2022-07-12 | Tcl空调器(中山)有限公司 | Fresh air duct component and air conditioner |
| WO2023138059A1 (en) * | 2022-01-21 | 2023-07-27 | 青岛海尔空调器有限总公司 | Anti-condensation control method and control system for air conditioner, electronic device and storage medium |
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| CN114738895A (en) * | 2022-04-08 | 2022-07-12 | Tcl空调器(中山)有限公司 | Fresh air duct component and air conditioner |
| CN114738895B (en) * | 2022-04-08 | 2023-03-10 | Tcl空调器(中山)有限公司 | Fresh air duct component and air conditioner |
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