Air conditioner anti-condensation method and device based on up and down air outlet, air conditioner and medium

Abstract

The application discloses an air conditioner anti-condensation method and device based on up and down air outlets, an air conditioner and a medium. The method comprises the following steps: when the air conditioner operates in a cooling mode, detecting the indoor environment temperature, the relative humidity at an air inlet and the air outlet temperature of an upper air outlet; calculating the dew point temperature according to the indoor environment temperature and the relative humidity, and comparing the air outlet temperature with the dew point temperature; if the air outlet temperature is less than or equal to the dew point temperature, adjusting the upper fan of the air conditioner; and if the air outlet temperature is greater than the dew point temperature, maintaining the current state of the air conditioner to continue operating. After the cooling mode of the air conditioner is started, the indoor fan is adjusted by detecting the indoor temperature and humidity and the air outlet temperature of the upper air outlet, so that the condensation and condensation of the indoor unit can be avoided, the anti-condensation control of the air conditioner with up and down air outlets is realized, and the use reliability of the air conditioner is improved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of air conditioning technology, and in particular to an air conditioning anti-condensation method, device, air conditioner and medium based on top and bottom air outlets. Background Technology

[0002] Air conditioners often experience condensation issues during use, which can be inconvenient and negatively impact the user experience. The air deflector is the most prone to condensation. Specifically, when the air deflector is positioned in a fixed location, the cold air blows directly onto its surface, causing the surface temperature to drop continuously. When this temperature reaches the dew point, the warm, humid indoor air condenses on the deflector upon contact with it.

[0003] Currently, floor-standing air conditioners on the market are generally either front-discharge or top-and-bottom-discharge models. Both types of air conditioners, based on the characteristics of their respective air outlet methods, structurally and logically prevent and eliminate condensation. Current air conditioners with front-discharged top and bottom air outlets each have an axial fan blade for airflow. However, there is no specific anti-condensation logic for this type of air outlet. Therefore, how to achieve anti-condensation control for top-and-bottom-discharge air conditioners is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0004] This invention provides a method, device, air conditioner, and storage medium for preventing condensation in air conditioners based on top and bottom air outlets. The aim is to solve the problem of condensation in the indoor unit of an air conditioner, achieve anti-condensation control for air conditioners with top and bottom air outlets, and improve the reliability of the air conditioner.

[0005] In a first aspect, embodiments of the present invention provide a method for preventing condensation in an air conditioner based on top and bottom air outlets, applicable to air conditioners with top and bottom air outlets. The air conditioner includes an upper air outlet, a lower air outlet, and an air inlet, wherein an upper fan and a lower fan are correspondingly provided at the upper air outlet and the lower air outlet, respectively. The method for preventing condensation in the air conditioner includes:

[0006] When the air conditioner is running in cooling mode, it detects the indoor ambient temperature and relative humidity at the air inlet and the air outlet temperature at the top air outlet.

[0007] The dew point temperature is calculated based on the indoor ambient temperature and relative humidity, and the outlet air temperature is compared with the dew point temperature.

[0008] If the outlet air temperature is less than or equal to the dew point temperature, the air conditioner's upper fan is adjusted.

[0009] If the outlet air temperature is greater than the dew point temperature, the air conditioner will continue to operate in its current state.

[0010] In a second aspect, embodiments of the present application provide an air conditioner anti-condensation device based on up and down air outlet, which is suitable for an air conditioner with up and down air outlet. The air conditioner includes an upper air outlet, a lower air outlet, and an air inlet. The upper air outlet and the lower air outlet are correspondingly provided with an upper fan and a lower fan. The air conditioner anti-condensation device includes:

[0011] a first detection unit configured to detect an indoor ambient temperature, a relative humidity at the air inlet, and an air outlet temperature of the upper air outlet when the air conditioner operates in a cooling mode;

[0012] a dew point comparison unit configured to calculate a dew point temperature according to the indoor ambient temperature and the relative humidity, and compare the air outlet temperature with the dew point temperature;

[0013] an upper fan adjustment unit configured to adjust the upper fan of the air conditioner if the air outlet temperature is less than or equal to the dew point temperature;

[0014] a state maintenance unit configured to maintain a current state of the air conditioner to continue operating if the air outlet temperature is greater than the dew point temperature.

[0015] In a third aspect, embodiments of the present application provide an air conditioner. The air conditioner includes a memory and a processor. The memory stores a computer program. When the processor executes the computer program, the air conditioner anti-condensation method based on up and down air outlet as described in the first aspect is implemented.

[0016] In a fourth aspect, embodiments of the present application provide a computer readable storage medium. The storage medium stores a computer program. When the computer program is executed by a processor, the air conditioner anti-condensation method based on up and down air outlet as described in the first aspect is implemented.

[0017] The embodiment of the present application provides a kind of based on the anti-condensation method of air conditioner of up and down air outlet, device, air conditioner and storage medium, it is suitable for the air conditioner of up and down air outlet, the air conditioner includes upper air outlet, lower air outlet and air inlet, the upper air outlet and lower air outlet are correspondingly provided with upper fan and lower fan, this method includes: when air conditioner operates refrigeration mode, the indoor environment temperature, relative humidity and the air outlet temperature of upper air outlet at air inlet are detected;Dew point temperature is calculated according to the indoor environment temperature and relative humidity, and the air outlet temperature and the dew point temperature are compared;If the air outlet temperature is less than or equal to the dew point temperature, the upper fan of air conditioner is adjusted;If the air outlet temperature is greater than the dew point temperature, the current state of air conditioner is maintained to continue operating.The embodiment of the present application detects indoor temperature and humidity and the air outlet temperature of upper air outlet after the refrigeration mode of air conditioner is opened, to adjust indoor fan, so that the condensation of indoor unit can be avoided, and the hidden danger that condensation water is generated in the inner wall of indoor unit shell can also be prevented, to realize the anti-condensation control of the air conditioner of up and down air outlet, improve the use reliability of air conditioner. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0019] Figure 1 A flowchart of the anti-condensation method of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0020] Figure 2 A sub-flowchart of step S101 in the anti-condensation method of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0021] Figure 3 Another flowchart of the anti-condensation method of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0022] Figure 4 A sub-flowchart of step S103 in the anti-condensation method of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0023] Figure 5 A flowchart of step S301 in the anti-condensation method of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0024] Figure 6 A schematic block diagram of the anti-condensation device of air conditioner based on up and down air outlet provided by the embodiment of the present application is shown.

[0025] Figure 7 A sub-schematic block diagram of a first detection unit in an air conditioner anti-condensation device based on up and down air outlet provided by an embodiment of the present application;

[0026] Figure 8 Another schematic block diagram of an air conditioner anti-condensation device based on up and down air outlet provided by an embodiment of the present application;

[0027] Figure 9 A sub-schematic block diagram of an up air fan adjusting unit in an air conditioner anti-condensation device based on up and down air outlet provided by an embodiment of the present application;

[0028] Figure 10 A sub-schematic block diagram of a speed and frequency reduction processing unit in an air conditioner anti-condensation device based on up and down air outlet provided by an embodiment of the present application;

[0029] Figure 11 A schematic block diagram of an air conditioner provided by an embodiment of the present application. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0031] It should be understood that the terms “comprising” and “including” as used in the specification and the appended claims indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0032] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, the singular forms “a”, “an” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0033] It should be further understood that the term “and / or” as used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0034] As used in this specification and the appended claims, the term "if" may be interpreted, depending on the context, as "when," "once," "in response to determination," or "in response to detection." Similarly, the phrases "if determined" or "if [described condition or event] is detected" may be interpreted, depending on the context, as "once determined," "in response to determination," "once [described condition or event] is detected," or "in response to detection of [described condition or event]."

[0035] Please see Figure 1 , Figure 1 This is a flowchart illustrating an anti-condensation method for an air conditioner based on top and bottom air outlets provided in an embodiment of the present invention. The method is applicable to air conditioners with top and bottom air outlets. The air conditioner includes an upper air outlet, a lower air outlet, and an air inlet. The upper air outlet and the lower air outlet are respectively provided with an upper fan and a lower fan. The anti-condensation method for the air conditioner specifically includes steps S101 to S104.

[0036] S101. When the air conditioner is running in cooling mode, detect the indoor ambient temperature and relative humidity at the air inlet and the air outlet temperature at the top air outlet.

[0037] S102. Calculate the dew point temperature based on the indoor ambient temperature and relative humidity, and compare the outlet air temperature with the dew point temperature.

[0038] S103. If the outlet air temperature is less than or equal to the dew point temperature, the air conditioner's upper fan is adjusted.

[0039] S104. If the outlet air temperature is greater than the dew point temperature, the air conditioner shall continue to operate in its current state.

[0040] In this embodiment, after the air conditioner is turned on in cooling mode, the indoor ambient temperature and relative humidity are detected, as well as the air outlet temperature at the top vent is detected periodically. The indoor dew point temperature is calculated based on the detected indoor ambient temperature and relative humidity. The calculated dew point temperature is then compared with the detected air outlet temperature, and the result is used to determine whether to adjust the upper fan to increase the air outlet temperature. This prevents condensation from forming on the indoor unit and also prevents the potential for condensation buildup on the inner wall of the indoor unit casing. This achieves anti-condensation control of the air conditioner with both upper and lower air outlets, improving the reliability of the air conditioner.

[0041] In actual application scenarios, a temperature and humidity sensor can be installed at the air inlet and the upper air outlet respectively to detect the indoor environment temperature and relative humidity, the air outlet temperature and the like. The relative humidity refers to the ratio of the actual water vapor pressure in the air to the saturated water vapor pressure at the air temperature, which reflects the degree of air from saturated air. It can also be understood that the indoor temperature and humidity are not stable, but will be affected by the surrounding environment, for example, opening and closing the door will affect the indoor temperature and humidity, and when the indoor temperature and humidity changes, the dew point temperature will also change. Therefore, the embodiment detects in a timed manner to calculate the dew point temperature every certain period of time, and then determines whether the upper sub-machine needs to be adjusted according to the latest dew point temperature.

[0042] In addition, the air conditioner described in the embodiment is an air conditioner with an upper air outlet and a lower air outlet arranged at intervals, and each of the upper and lower air outlets is provided with an axial flow fan for air outlet.

[0043] In an embodiment, as shown in Figure 2 The step S101 includes steps S201-S203.

[0044] S201, when the air conditioner runs in a cooling mode, detecting the running stage of the cooling mode;

[0045] S202, if the running stage of the cooling mode is a cold wind direct blowing prevention stage, detecting the indoor environment temperature, the relative humidity at the air inlet and the air outlet temperature of the upper air outlet in a timed manner; wherein the cold wind direct blowing prevention stage is that the upper fan rotates normally and the lower fan rotates reversely.

[0046] S203, if the running stage of the cooling mode is other stage, maintaining the other stage to continue running and continuously detecting whether the running stage of the cooling mode is the cold wind direct blowing prevention stage.

[0047] In the embodiment, when the air conditioner runs in a cooling mode, in order to prevent over-cooled wind blowing, the upper fan is set to rotate normally, and the lower fan is set to rotate reversely, that is, the lower fan sucks indoor hot air from the front of the indoor unit, mixes with the cold air that has been heat exchanged in the indoor unit shell, and then blows out through the upper fan, so as to improve the air outlet temperature of the upper air outlet. At this time, due to the continuous suction of indoor high-temperature air by the indoor unit, dew drops will be hung on the inner shell of the air conditioner after a period of time, which will affect the appearance and user experience. Therefore, when it is confirmed that the cooling mode is in the cold wind direct blowing prevention stage, it can be determined whether the upper sub-machine needs to be adjusted by detecting the temperature and humidity data.

[0048] In an embodiment, the step S101 includes:

[0049] The dew point temperature T is calculated according to the following formula 露点 :

[0050] T 露点 = aT 室温 × bT 湿度 ;

[0051] Wherein, a, b are coefficients, T 室温 represents the indoor environment temperature, T 湿度 represents the relative humidity.

[0052] In this embodiment, the dew point temperature is calculated by the above dew point temperature calculation formula, so as to compare the dew point temperature with the temperature of the left and right air deflectors, to determine whether to enter the anti-condensation logic, and whether to enter the first anti-condensation logic or the second anti-condensation logic. Of course, in other embodiments, in addition to calculating the dew point temperature by the indoor temperature data and the outdoor humidity data, the indoor dry bulb temperature and the indoor wet bulb temperature can also be collected, and then the dew point temperature is calculated according to the indoor dry bulb temperature and the indoor wet bulb temperature. The dry bulb temperature is the value read from the dry bulb thermometer exposed to the air and not directly irradiated by the sun, which is the temperature measured by the thermometer in the ordinary air. The wet bulb temperature refers to the temperature reached when a piece of air is humidified to saturation (relative humidity reaches 100%). Or the dew point temperature is directly calculated by the dew point temperature calculator.

[0053] In an embodiment, as shown in Figure 3 , the anti-condensation method of the air conditioner based on the up and down air outlets further comprises steps S301-S303.

[0054] S301, calculate the first temperature difference between the indoor environment temperature and the air outlet temperature, and determine whether the absolute value of the first temperature difference is higher than a preset temperature value; wherein the preset temperature value is a positive value;

[0055] S302, when it is determined that the absolute value of the first temperature difference is not higher than the preset temperature value, the lower fan corresponding to the lower air outlet is adjusted;

[0056] Specifically, the lower fan is adjusted from the reverse rotation state to the forward rotation state.

[0057] S303, when it is determined that the absolute value of the first temperature difference is higher than the preset temperature value, the dew point temperature is calculated according to the indoor environment temperature and the relative humidity.

[0058] In this embodiment, when the air conditioner's upper fan rotates forward and the lower fan rotates in reverse, the difference between the indoor ambient temperature and the outlet air temperature is first obtained, i.e., the first temperature difference. Then, the absolute value of this difference is compared with a preset temperature value. If the absolute value of the difference is higher than the preset temperature value, in order to avoid condensation, the dew point temperature is calculated, and it is determined whether the upper fan needs to be adjusted based on the dew point temperature to increase the outlet air temperature of the upper fan. If the absolute value of the difference is not higher than the preset temperature value, it indicates that the outlet air temperature of the upper fan is close to the indoor ambient temperature. At this time, there is no situation where excessively cold air is blown in, so the anti-condensation control can be terminated. At the same time, the lower fan is controlled, i.e., the reverse rotation of the lower fan is adjusted to forward rotation. In this way, the upper and lower fans can be used to output air at the same time, restoring the air conditioner's cooling mode to normal, i.e., in all stages except the anti-cold air direct blowing stage. The compressor frequency also gradually increases, thereby enhancing the heat exchange effect and improving the smoothness of the airflow. This makes it less likely for condensation to form on the air outlet grille and air guide plate. It should also be noted that since this embodiment is performed in cooling mode, the detected indoor ambient temperature is usually higher than the outlet air temperature, or in other words, the indoor ambient temperature and the outlet air temperature are almost the same, but there will not be a situation where the indoor ambient temperature is much lower than the outlet air temperature. Therefore, the preset temperature value mentioned in this embodiment can be set to a positive value that is not too high, for example, setting the preset temperature value to 7°C. Then, when the absolute value of the first temperature difference is not higher than 7°C, it means that the difference between the indoor ambient temperature and the outlet air temperature is not significant. When the absolute value of the first temperature difference is higher than 7°C, it means that the difference between the indoor ambient temperature and the outlet air temperature is significant. And since, as mentioned above, there will not be a situation where the indoor ambient temperature is much lower than the outlet air temperature, it can be considered here that the difference between the indoor ambient temperature and the outlet air temperature is significant and the indoor ambient temperature is higher than the outlet air temperature.

[0059] In one embodiment, such as Figure 4 As shown, step S103 includes step S401.

[0060] S401. If the outlet air temperature is less than or equal to the dew point temperature, the speed of the upper fan is reduced according to the preset speed reduction value, and the frequency of the air conditioner compressor is reduced according to the preset frequency reduction value.

[0061] When the outlet air temperature is less than or equal to the dew point temperature, the mixed wet air is saturated, and the excess moisture is precipitated, which causes condensation or fogging. If not controlled, small water droplets will condense on the shell. Therefore, the upper fan needs to be adjusted, for example, the speed of the indoor fan is reduced by 50 rpm every time, and the frequency of the compressor is reduced by 2 Hz every time. Of course, in other embodiments, one of the fan speed and the compressor frequency can be selected to adjust.

[0062] In some optional embodiments, as shown in Figure 5 S401 includes steps S501-S503.

[0063] S501, obtain the second temperature difference between the outlet air temperature and the dew point temperature, and determine whether the second temperature difference is within the preset temperature difference range;

[0064] S502, if the second temperature difference is within the preset temperature difference range, the speed of the upper fan is reduced by a first preset speed reduction value, and the frequency of the compressor of the air conditioner is reduced by a first preset frequency reduction value;

[0065] S503, if the second temperature difference is not within the preset temperature difference range, the speed of the upper fan is reduced by a second preset speed reduction value, and the frequency of the compressor of the air conditioner is reduced by a second preset frequency reduction value; wherein the first preset speed reduction value is less than the second preset speed reduction value, and the first preset frequency reduction value is less than the second preset frequency reduction value.

[0066] In this embodiment, by obtaining the second temperature difference between the outlet air temperature and the dew point temperature, and comparing the second temperature difference with the preset temperature difference range, the specific values of the speed reduction and the frequency reduction are determined, thereby further preventing condensation control effect. For example, when the second temperature difference is within the preset temperature difference range, it indicates that the second temperature difference between the outlet air temperature and the dew point temperature is not large, and the speed of the upper fan and the frequency of the compressor can be fine-tuned, i.e. the first preset frequency reduction value and the first preset frequency reduction value are used for corresponding operation; when the second temperature difference is not within the preset temperature difference range, it indicates that the second temperature difference between the outlet air temperature and the dew point temperature is large, and the speed of the upper fan and the frequency of the compressor can be adjusted, so that the outlet air temperature can be quickly reduced, i.e. the second preset speed reduction value and the second preset frequency reduction value are used for corresponding operation. For example, the first preset frequency reduction value is set to 30 rpm, the second preset frequency reduction value is set to 50 rpm, and the first preset frequency reduction value is set to 2 Hz, and the first preset frequency reduction value is set to 3 Hz. Of course, in other embodiments, in order to further improve the condensation control effect, the speed reduction and the frequency reduction can be further refined, etc.

[0067] Figure 6 A condensation-preventing device 600 for an air conditioner based on up and down air outlet is provided for an embodiment of the present application. The device 600 is suitable for an air conditioner with up and down air outlet. The air conditioner comprises an up air outlet, a down air outlet and an air inlet. The up air outlet and the down air outlet are provided with an up air fan and a down air fan respectively. The condensation-preventing device 600 for the air conditioner comprises:

[0068] A first detection unit 601 is configured to detect the indoor ambient temperature, the relative humidity at the air inlet and the outlet temperature of the up air outlet when the air conditioner is running in a cooling mode.

[0069] A dew point comparison unit 602 is configured to calculate the dew point temperature according to the indoor ambient temperature and the relative humidity, and compare the outlet temperature with the dew point temperature.

[0070] An up air fan adjusting unit 603 is configured to adjust the up air fan of the air conditioner if the outlet temperature is less than or equal to the dew point temperature.

[0071] A state maintaining unit 604 is configured to maintain the current state of the air conditioner to continue running if the outlet temperature is greater than the dew point temperature.

[0072] After the cooling mode of the air conditioner is started, the indoor ambient temperature and the relative humidity are detected, and the outlet temperature of the up air outlet is detected at regular intervals. Then, the dew point temperature of the indoor environment is calculated according to the detected indoor ambient temperature and the relative humidity. The calculated dew point temperature and the detected outlet temperature are compared, and the up air fan is adjusted according to the comparison result to increase the outlet temperature of the up air outlet, so as to avoid the condensation and condensation of the indoor unit, prevent the hidden danger of condensation water on the inner wall of the indoor unit shell, and realize the condensation-preventing control of the air conditioner with up and down air outlet, thereby improving the use reliability of the air conditioner.

[0073] In actual application scenarios, a temperature and humidity sensor can be installed at the air inlet and the upper air outlet respectively to detect the indoor environment temperature and relative humidity, the air outlet temperature, and the like. The relative humidity refers to the ratio of the actual water vapor pressure in the air to the saturated water vapor pressure at the air temperature, which reflects the degree of air from saturated air. It can also refer to the ratio of the mass of water vapor contained in the air to the mass of water vapor contained in the saturated air at the same temperature and pressure. It can also be understood that the indoor temperature and humidity are not stable and unchangeable, but are affected by the surrounding environment, for example, opening and closing the door will affect the indoor temperature and humidity. When the indoor temperature and humidity changes, the dew point temperature also changes. Therefore, the embodiment detects in a timed manner to calculate the dew point temperature every certain period of time, and then determines whether the upper extension machine needs to be adjusted according to the latest dew point temperature.

[0074] In addition, the air conditioner described in the embodiment is an air conditioner with a spaced upper air outlet and a lower air outlet, and each of the upper and lower air outlets is provided with an axial flow fan for air outlet.

[0075] In an embodiment, as shown in Figure 7 the first detection unit 601 includes:

[0076] a stage detection unit 701 configured to detect a running stage of the cooling mode when the air conditioner runs in the cooling mode;

[0077] a direct blowing stage unit 702 configured to, if the running stage of the cooling mode is a cold wind direct blowing prevention stage, detect the indoor environment temperature, the relative humidity, and the air outlet temperature of the upper air outlet at the air inlet in a timed manner; wherein the cold wind direct blowing prevention stage is that the upper fan rotates normally and the lower fan rotates reversely;

[0078] a stage detection unit 701 configured to, if the running stage of the cooling mode is a cold wind direct blowing prevention stage, detect the indoor environment temperature, the relative humidity, and the air outlet temperature of the upper air outlet at the air inlet in a timed manner; wherein the cold wind direct blowing prevention stage is that the upper fan rotates normally and the lower fan rotates reversely;

[0079] In an embodiment, the dew point comparison unit 502 includes:

[0080] a dew point calculation unit configured to calculate the dew point temperature T 露点 according to the following formula:

[0081] T 露点 = aT 室温 × bT 湿度 ;

[0082] wherein a and b are coefficients, T 室温 represents the indoor environment temperature, and T 湿度 represents the relative humidity.

[0083] In an embodiment, as shown in Figure 8 The anti-condensation device 600 based on the up and down air outlets further comprises:

[0084] The second detection unit 801 is configured to calculate a first temperature difference between the indoor ambient temperature and the air outlet temperature, and determine whether an absolute value of the first temperature difference is higher than a preset temperature value; the preset temperature value is a positive value.

[0085] The first determination unit 802 is configured to adjust the lower air outlet fan when it is determined that the absolute value of the first temperature difference is not higher than the preset temperature value.

[0086] The second determination unit 803 is configured to calculate the dew point temperature according to the indoor ambient temperature and the relative humidity when it is determined that the absolute value of the first temperature difference is higher than the preset temperature value.

[0087] In an embodiment, the second detection unit 801 comprises:

[0088] The synchronous detection unit is configured to synchronously detect the indoor ambient temperature, the relative humidity at the air inlet, and the air outlet temperature of the upper air outlet and the air outlet temperature at the upper air outlet.

[0089] In an embodiment, the second determination unit 803 comprises:

[0090] The lower air outlet fan adjustment unit is configured to adjust the lower air outlet fan from the reverse rotation state to the forward rotation state.

[0091] In an embodiment, as shown in Figure 9 The upper air outlet fan adjustment unit 603 comprises:

[0092] The speed and frequency reduction processing unit 901 is configured to reduce the speed of the upper air outlet fan according to a preset speed reduction value and reduce the frequency of the compressor of the air conditioner according to a preset frequency reduction value if the air outlet temperature is less than or equal to the dew point temperature.

[0093] In an embodiment, as shown in Figure 10 The speed and frequency reduction processing unit 901 comprises:

[0094] The second temperature difference acquisition unit 1001 is configured to acquire a second temperature difference between the air outlet temperature and the dew point temperature, and determine whether the second temperature difference is within a preset temperature difference range.

[0095] The first speed and frequency reduction unit 1002 is configured to perform first speed reduction processing on the speed of the upper air outlet fan according to a first preset speed reduction value and perform first frequency reduction processing on the frequency of the compressor of the air conditioner according to a first preset frequency reduction value if the second temperature difference is within the preset temperature difference range.

[0096] The second speed reduction and frequency reduction unit 1003 is configured to perform second speed reduction processing on the rotation speed of the upper fan according to a second preset speed reduction value and perform second frequency reduction processing on the frequency of the compressor of the air conditioner according to a second preset frequency reduction value if the second temperature difference is not within the preset temperature difference range; wherein the first preset speed reduction value is less than the second preset speed reduction value, and the first preset frequency reduction value is less than the second preset frequency reduction value.

[0097] The anti-condensation device for the air conditioner based on the up and down air outlets can be implemented in the form of a computer program, which can run on the air conditioner 1100 as shown in the drawings. Figure 11 Since the embodiments of the device part correspond to the embodiments of the method part, the embodiments of the device part are described in the description of the embodiments of the method part, and will not be described here.

[0098] Please refer to Figure 11 , Figure 11 is a schematic block diagram of an air conditioner provided by an embodiment of the present application. The air conditioner 1100 includes a processor 1102, a memory, and a network interface 1105 connected through a system bus 1101, wherein the memory can include a non-volatile storage medium 1103 and an internal memory 1104.

[0099] The non-volatile storage medium 1103 can store an operating system 11031 and a computer program 11032. The computer program 11032, when executed, can cause the processor 1102 to perform an anti-condensation method for an air conditioner based on up and down air outlets.

[0100] The processor 1102 is configured to provide computing and control capabilities to support the operation of the entire air conditioner 1100.

[0101] The internal memory 1104 provides an environment for the execution of the computer program 11032 in the non-volatile storage medium 1103. The computer program 11032, when executed by the processor 1102, can cause the processor 1102 to perform an anti-condensation method for an air conditioner based on up and down air outlets.

[0102] The network interface 1105 is configured to perform network communication with other devices. Those skilled in the art can understand that Figure 9 The structure shown in the drawings is only a block diagram of part of the structure related to the scheme of the present application, and does not constitute a limitation on the air conditioner 1100 to which the scheme of the present application is applied. The specific air conditioner 1100 can include more or fewer components than those shown in the drawings, or combine certain components, or have a different arrangement of components.

[0103] The processor 1102 is configured to run a computer program 11032 stored in the memory to implement any of the embodiments of the anti-condensation method of the air conditioner based on the up and down air outlet.

[0104] It should be understood that, in the embodiments of the present application, the processor 1102 can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor.

[0105] It can be understood by those skilled in the art that all or part of the processes in the embodiments of the method can be completed by a computer program instructing related hardware. The computer program can be stored in a storage medium, which is a computer readable storage medium. The computer program is executed by at least one processor in the computer system to implement the process steps of the embodiments of the method.

[0106] Therefore, the present application also provides a storage medium. The storage medium can be a computer readable storage medium. The storage medium stores a computer program. The computer program is executed by a processor to make the processor execute any of the embodiments of the anti-condensation method of the air conditioner based on the up and down air outlet.

[0107] The storage medium can be a U disk, a mobile hard disk, a read-only memory (ROM), a magnetic disk or an optical disk, etc. Various computer readable storage media that can store program codes.

[0108] It can be understood by those skilled in the art that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be realized in electronic hardware, computer software or a combination of both. In order to clearly illustrate the interchangeability of hardware and software, the components and steps of the examples have been described in general terms in the description. Whether the functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. A person skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0109] In several embodiments provided by the present application, it should be understood that the disclosed apparatus and method can be implemented in other manners. For example, the described apparatus embodiments are merely schematic. For example, the division of the units is merely a logical function division. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In this way, the actual division of the units can be different from the division in the embodiment.

[0110] The steps in the method embodiments of the present application can be adjusted, combined and deleted in sequence according to actual needs. The units in the apparatus embodiments of the present application can be combined, divided and deleted according to actual needs. In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0111] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a storage medium. Based on such understanding, the technical solutions of the present application essentially or say the part that contributes to the prior art, or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for causing an air conditioner to execute all or part of the steps of the method described in each embodiment of the present application.

[0112] In the described embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0113] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations also belong to the scope of the claims of the present application and their equivalent technologies, and the present application is intended to include these modifications and variations.

[0114] The above description is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for preventing condensation in an air conditioner based on top and bottom air outlets, applicable to air conditioners with top and bottom air outlets, wherein the air conditioner includes an upper air outlet, a lower air outlet, and an air inlet, and an upper fan and a lower fan are correspondingly provided at the upper air outlet and the lower air outlet, characterized in that, The air conditioner anti-condensation method includes: When the air conditioner is running in cooling mode, it detects the indoor ambient temperature and relative humidity at the air inlet and the air outlet temperature at the top air outlet. The dew point temperature is calculated based on the indoor ambient temperature and relative humidity, and the outlet air temperature is compared with the dew point temperature. If the outlet air temperature is less than or equal to the dew point temperature, the air conditioner's upper fan is adjusted. If the outlet air temperature is greater than the dew point temperature, the air conditioner will continue to operate in its current state. When the air conditioner is running in cooling mode, the detection of indoor ambient temperature and relative humidity at the air inlet and outlet air temperature at the top air outlet includes: When the air conditioner is running in cooling mode, the operating stage of the cooling mode is detected; If the cooling mode is in the anti-cold air direct blowing stage, the indoor ambient temperature, relative humidity at the air inlet and the air outlet temperature at the upper air outlet are detected periodically; wherein, the anti-cold air direct blowing stage is when the upper fan rotates normally and the lower fan rotates in the opposite direction. If the cooling mode is in another operating phase, then the other phase will continue to operate, and the system will continue to monitor whether the cooling mode is in the anti-cold air direct blowing phase.

2. The method for preventing condensation in an air conditioner based on top and bottom air outlets according to claim 1, characterized in that, The calculation of the dew point temperature based on the indoor ambient temperature and relative humidity includes: The dew point temperature T is calculated using the following formula. 露点 : T 露点 =aT 室温 ×bT 湿度 ; Where a and b are coefficients, T 室温 Indicates indoor ambient temperature, T 湿度 This indicates relative humidity.

3. The method for preventing condensation in an air conditioner based on top and bottom air outlets according to claim 1, characterized in that, Before the step of calculating the dew point temperature based on the indoor ambient temperature and relative humidity, the following steps are included: Calculate the first temperature difference between the indoor ambient temperature and the outlet air temperature, and determine whether the absolute value of the first temperature difference is higher than a preset temperature value; wherein, the preset temperature value is a positive value; When it is determined that the absolute value of the first temperature difference is not higher than the preset temperature value, the lower fan corresponding to the lower air outlet is adjusted. When it is determined that the absolute value of the first temperature difference is higher than the preset temperature value, the dew point temperature is calculated based on the indoor ambient temperature and relative humidity.

4. The method for preventing condensation in an air conditioner based on top and bottom air outlets according to claim 3, characterized in that, When it is determined that the absolute value of the first temperature difference is not higher than the preset temperature value, the lower fan corresponding to the lower air outlet is adjusted, including: Adjust the down fan from a reverse rotation state to a forward rotation state.

5. The method for preventing condensation in an air conditioner based on top and bottom air outlets according to claim 1, characterized in that, If the outlet air temperature is less than or equal to the dew point temperature, the upper fan of the air conditioner is adjusted, including: If the outlet air temperature is less than or equal to the dew point temperature, the speed of the upper fan is reduced according to the preset speed reduction value, and the frequency of the air conditioner compressor is reduced according to the preset frequency reduction value.

6. The method for preventing condensation in an air conditioner based on top and bottom air outlets according to claim 4, characterized in that, If the outlet air temperature is less than or equal to the dew point temperature, the speed of the upper fan is reduced according to a preset speed reduction value, and the frequency of the air conditioner's compressor is reduced according to a preset frequency reduction value, including: Obtain the second temperature difference between the outlet air temperature and the dew point temperature, and determine whether the second temperature difference is within the preset temperature difference range; If the second temperature difference is within the preset temperature difference value range, then the speed of the upper fan is reduced by the first preset speed reduction value, and the frequency of the air conditioner compressor is reduced by the first preset frequency reduction value. If the second temperature difference is not within the preset temperature difference value range, the speed of the upper fan is reduced by the second preset speed reduction value, and the frequency of the air conditioner compressor is reduced by the second preset frequency reduction value; wherein, the first preset speed reduction value is less than the second preset speed reduction value, and the first preset frequency reduction value is less than the second preset frequency reduction value.

7. An anti-condensation device for air conditioners with top and bottom air outlets, applicable to air conditioners with top and bottom air outlets, wherein the air conditioner includes an upper air outlet, a lower air outlet, and an air inlet, and an upper fan and a lower fan are correspondingly provided at the upper air outlet and the lower air outlet, characterized in that, The air conditioner anti-condensation device includes: The first detection unit is used to detect the indoor ambient temperature and relative humidity at the air inlet and the air outlet temperature at the upper air outlet when the air conditioner is running in cooling mode. The dew point comparison unit is used to calculate the dew point temperature based on the indoor ambient temperature and relative humidity, and compare the outlet air temperature with the dew point temperature. An upper fan regulating unit is used to regulate the upper fan of the air conditioner if the outlet air temperature is less than or equal to the dew point temperature. A state maintenance unit is used to maintain the current state of the air conditioner and continue to operate if the outlet air temperature is greater than the dew point temperature. The first detection unit includes: A stage detection unit is used to detect the operating stage of the cooling mode when the air conditioner is running in cooling mode; The direct-blowing stage unit is used to periodically detect the indoor ambient temperature, relative humidity at the air inlet and the air outlet temperature at the upper air outlet if the operation stage of the cooling mode is the anti-cold-air direct-blowing stage; wherein, the anti-cold-air direct-blowing stage is when the upper fan rotates normally and the lower fan rotates in the opposite direction. Other stage units are used to maintain other stages if the operation stage of the cooling mode is another stage, and to continue to detect whether the operation stage of the cooling mode is the anti-cold air direct blowing stage.

8. An air conditioner, characterized in that, The air conditioner includes a memory and a processor. The memory stores a computer program, and when the processor executes the computer program, it implements the anti-condensation method for an air conditioner based on top and bottom air outlets as described in any one of claims 1-6.

9. A computer-readable storage medium, characterized in that, The storage medium stores a computer program, which, when executed by a processor, can implement the anti-condensation method for an air conditioner based on top and bottom air outlets as described in any one of claims 1-6.

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