WO2018103278A1 - Air-conditioner and wind-speed control method therefor - Google Patents

Abstract

Provided is a wind-speed control method for an air-conditioner, comprising: step (S1), acquiring a body-surface temperature value of a human body, and determining a range where the body-surface temperature value is located; step (S2), selecting, according to the determined range, a corresponding wind-speed model; and step (S3), controlling the wind speed of the air-conditioner according to the corresponding wind-speed model. The method can avoid the supercooling or superheating phenomenon brought after a user sets a regulation parameter of the air-conditioner, thereby improving the user experience. Further disclosed is an air-conditioner.

Description

 Air conditioner and wind speed control method thereof

Technical field

The invention relates to the technical field of refrigeration, and in particular to an air conditioner and a wind speed control method thereof.

Background technique

When the air conditioner is in the cooling or heating mode, it is usually operated according to the parameter values such as the preset temperature or wind speed of the user. However, the air conditioner is not really suitable for the user after running according to the preset parameters of the user, for example, some users are In a relatively hot environment, set a relatively low temperature, such as 20 ° C cooling, after a period of time, the room temperature will quickly decrease, at this time the user will feel cold, so the air conditioner's set temperature is raised, causing the user's Uncomfortable. Moreover, when the user is in different positions in the room, because the air outlet of the air conditioner is different in position, the cooling or heating effect of the air conditioner felt by the user is different, and if the air conditioners are all operated according to the same parameter, It will also bring too cold or overheating to the user, causing the user's discomfort, thereby reducing the user experience.

Summary of the invention

The main object of the present invention is to provide an air conditioner and a wind speed control method thereof, which aim to avoid supercooling or overheating caused by setting a parameter of an air conditioner to improve user experience.

To achieve the above object, the present invention provides a wind speed control method for an air conditioner, comprising the following steps:

Obtaining a body surface temperature value of the human body, and determining a range of the range in which the body surface temperature value is located;

Selecting a corresponding wind speed model according to the determined range interval;

The wind speed of the air conditioner is controlled according to the corresponding wind speed model.

Preferably, the wind speed model includes a maximum wind speed model, an average wind speed model, and a weight wind speed model.

Preferably, the step of selecting a corresponding wind speed model according to the determined range interval comprises:

The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value.

Preferably, the step of selecting a corresponding wind speed model according to the determined range interval comprises:

The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value.

Preferably, the step of selecting a corresponding wind speed model according to the determined range interval comprises:

The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value.

Preferably, the step of selecting a corresponding wind speed model according to the determined range interval comprises:

The proportional wind speed model is selected when it is determined that the body surface temperature value is less than the third temperature value.

Preferably, the second temperature value is greater than the third temperature value and less than the first temperature value.

Preferably, the body surface temperature value is detected by the smart wearable device or detected by an infrared sensor provided on the air conditioner.

To achieve the above object, the present invention also provides an air conditioner, the air conditioner comprising:

Obtaining a module, configured to acquire a body surface temperature value of the human body, and determine a range of the range in which the body surface temperature value is located;

a selection module, configured to select a corresponding wind speed model according to the determined range interval;

The control module is configured to control the wind speed of the air conditioner according to the corresponding wind speed model.

Preferably, the wind speed model includes a maximum wind speed model, an average wind speed model, and a weight wind speed model.

Preferably, the selection module is further configured to:

The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value.

Preferably, the selection module is further configured to:

The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value.

Preferably, the selection module is further configured to:

The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value.

Preferably, the selection module is further configured to:

The proportional wind speed model is selected when it is determined that the body surface temperature value is less than the third temperature value.

Preferably, the second temperature value is greater than the third temperature value and less than the first temperature value.

Preferably, the body surface temperature value is detected by the smart wearable device or detected by an infrared sensor provided on the air conditioner.

The air conditioner and the wind speed control method thereof are provided by acquiring a body surface temperature value of a human body, determining a range interval in which the body surface temperature value is located, and then selecting a corresponding wind speed model according to the determined range interval. Finally, the wind speed of the air conditioner is controlled according to the corresponding wind speed model. In this way, the supercooling or overheating phenomenon caused by the user setting the air conditioner adjusting parameter can be avoided, and the wind speed is controlled by selecting an appropriate wind speed model according to the body surface temperature of the user, thereby improving the user experience.

DRAWINGS

1 is a schematic flow chart of an embodiment of a method for controlling wind speed of an air conditioner according to the present invention;

Figure 2 is a maximum wind speed model for determining wind speed based on rotational speed;

Figure 3 is a maximum wind speed model for determining wind speed based on windshield;

Figure 4 is an average wind speed model for determining wind speed based on the rotational speed;

Figure 5 is an average wind speed model for determining wind speed according to windshield;

Figure 6 is a weight wind speed model for determining wind speed based on the rotational speed;

Figure 7 is a weight wind speed model for determining wind speed according to wind speed;

Figure 8 is a proportional wind speed model for determining wind speed based on the rotational speed;

Figure 9 is a proportional wind speed model for determining wind speed according to windshield;

FIG. 10 is a schematic diagram of functional modules of an embodiment of an air conditioner of the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides an air conditioner and a wind speed control method thereof, which are determined by using a body surface temperature value of a human body, and selecting a corresponding wind speed model according to the determined range interval to control an air conditioner The wind speed. In this way, the supercooling or overheating phenomenon caused by the user setting the air conditioner adjusting parameter can be avoided, and the wind speed is controlled by selecting an appropriate wind speed model according to the body surface temperature of the user, thereby improving the user experience.

Referring to FIG. 1, in an embodiment, the wind speed control method of the air conditioner includes the following steps:

Step S1: acquiring a body surface temperature value of the human body, and determining a range of the range in which the body surface temperature value is located;

In this embodiment, the body surface temperature value can be detected by the smart wearable device, and can also be detected by an infrared sensor provided on the air conditioner. Parameters affecting human thermal comfort include air temperature, wind speed, air humidity, etc. Among them, wind speed has the most direct influence on human comfort, while body surface temperature value is the parameter that can directly respond to user comfort, therefore, through body surface temperature The value controls the wind speed to provide a more comfortable environment for the user.

Step S2: selecting a corresponding wind speed model according to the determined range interval;

In this embodiment, the range temperature range Tcl can be divided into interval ranges, for example, four range intervals Tcl can be divided. ≥ X1, X2 ≤ Tcl < X1, X3 ≤ Tcl < X2, Tcl < X3, wherein the values of X1, X2, and X3 are not specifically limited, and may be appropriately set according to actual needs. The wind speed models corresponding to the four range intervals are: maximum wind speed model, average wind speed model, weight wind speed model, and proportional wind speed model.

The wind speed model is a positive correlation function between the speed of the air conditioner fan or the wind speed and the wind speed, that is, selecting different speeds or wind speeds, corresponding wind speeds can be obtained under different wind speed models, so that The corresponding wind speed model controls the wind speed of the air conditioner. It can be understood that the maximum wind speed model, the average wind speed model, the weight wind speed model, and the proportional wind speed model in this embodiment can select different wind speed models according to different situations, so as to meet the specific needs of the user, thereby Improve the user experience.

Step S3, controlling the wind speed of the air conditioner according to the corresponding wind speed model.

In this embodiment, if the adjustment speed is 766 rpm, or the windshield is adjusted to 40, the adjusted wind speed is 0.68 m/s when the maximum wind speed model is selected for control, and the adjusted wind speed is 0.29 when the average wind speed model is selected. m/s; when selecting the weight wind speed model, the adjusted wind speed is 0.20 m/s; when the proportional wind speed model is selected, the adjusted wind speed is 0.15 m/s. It should be understood that the above specific values are only used to help the understanding of the present invention, and are not intended to be limiting, but may be appropriately set according to actual conditions.

The wind speed control method for an air conditioner provided by the present invention obtains a body surface temperature value of a human body, determines a range interval in which the body surface temperature value is located, and then selects a corresponding wind speed model according to the determined range interval, and finally The wind speed of the air conditioner is controlled according to the corresponding wind speed model. In this way, the supercooling or overheating phenomenon caused by the user setting the air conditioner adjusting parameter can be avoided, and the wind speed is controlled by selecting an appropriate wind speed model according to the body surface temperature of the user, thereby improving the user experience.

In the first embodiment, based on the foregoing FIG. 1, the step S3 further includes:

The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value.

In this embodiment, referring to FIG. 2 or FIG. 3, when the body surface temperature value Tcl≥T1, such as Tcl≥29°C, since the temperature is higher at this time, it is obviously higher than the comfortable temperature of the human body by 25° C. Therefore, it is required to rapidly cool down. At around 25 °C, you can choose the maximum wind speed model to reach the comfortable temperature as quickly as possible.

In the second embodiment, based on the foregoing FIG. 1, the step S3 further includes:

The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value.

In this embodiment, referring to FIG. 4 or FIG. 5, when the body surface temperature value T2 ≤ Tcl < T1, such as 27 ° C ≤ Tcl < 29 ° C, since the temperature is still higher than the comfortable temperature of the human body at this time, it is possible to select Slowly cool down to a comfortable temperature, you can choose the average wind speed model to provide users with a more comfortable ambient temperature.

In the third embodiment, based on the foregoing FIG. 1, the step S3 further includes:

The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value.

In this embodiment, referring to FIG. 6 or FIG. 7, when the body surface temperature value T3 ≤ Tcl < T2, such as 25 ° C ≤ Tcl < 27 ° C, since the temperature is relatively close to the comfortable temperature of the human body, the proportion of the human skin area The difference between the feelings of cold and heat is different. Therefore, the weight wind speed model can be selected to allow the user to feel the comfortable ambient temperature in all directions.

In the fourth embodiment, based on the foregoing FIG. 1, the step S3 further includes:

The proportional wind speed model is selected when it is determined that the body surface temperature value is less than the third temperature value.

In this embodiment, referring to FIG. 8 or FIG. 9, when the body surface temperature value Tcl<T3, such as Tcl<25° C., the temperature is relatively close to the comfortable temperature of the human body, and even lower than the comfortable temperature of the human body. The proportional wind speed model can be selected so that the wind speed is significantly reduced to avoid user discomfort.

It can be understood that wherein the second temperature value is greater than the third temperature value and less than the first temperature value. That is, there is a priority order between the four wind speed models. When the temperature is higher, the maximum wind speed model is selected; when the temperature is moderate, the average wind speed model is selected; when the temperature is close to the comfort temperature, the weight wind speed model is selected; When the comfort temperature is approaching, even below the comfort temperature, the proportional wind speed model is selected. The higher the temperature above, the moderate is based on the comfort temperature as a benchmark.

In addition, it is necessary to add that the wind speeds felt at different positions of the human body are different, such as the head, the middle (chest, waist, legs, etc.) and the position of the foot from the air outlet of the air conditioner are different, therefore, different The wind speed of the part is different. Assume that the foot position height is 0.2m, the middle position height is 0.7m, and the head position height is 1.2m, which is mainly for the user sitting. At this time, for three different positions, different wind speed models are at a certain speed or wind. Under the file, the corresponding selected wind speed is as follows:

 Speed rpm  Windshield  Foot m/s  Central m/s  Head m/s  Maximum wind speed m/s  Average wind speed m/s  Proportional wind speed m/s  Weight wind speed m/s  530  1  0.34  0.12  0.07  0.34  0.18  0.12  0.14  648  20  0.52  0.11  0.08  0.52  0.24  0.13  0.17  766  40  0.68  0.12  0.07  0.68  0.29  0.15  0.20  884  60  0.82  0.19  0.09  0.82  0.37  0.20  0.27  996  80  0.96  0.38  0.14  0.96  0.49  0.32  0.41  1120  100  0.92  0.69  0.14  0.92  0.58  0.46  0.58

Table I

The present invention also provides an air conditioner 1. Referring to FIG. 10, in an embodiment, the air conditioner 1 includes:

The obtaining module 10 is configured to acquire a body surface temperature value of the human body, and determine a range of the range in which the body surface temperature value is located;

In this embodiment, the body surface temperature value can be detected by the smart wearable device, and can also be detected by an infrared sensor provided on the air conditioner. Parameters affecting human thermal comfort include air temperature, wind speed, air humidity, etc. Among them, wind speed has the most direct influence on human comfort, while body surface temperature value is the parameter that can directly respond to user comfort, therefore, through body surface temperature The value controls the wind speed to provide a more comfortable environment for the user.

The selecting module 20 is configured to select a corresponding wind speed model according to the determined range interval;

In this embodiment, the range temperature range Tcl can be divided into interval ranges, for example, four range intervals Tcl can be divided. ≥ X1, X2 ≤ Tcl < X1, X3 ≤ Tcl < X2, Tcl < X3, wherein the values of X1, X2, and X3 are not specifically limited, and may be appropriately set according to actual needs. The wind speed models corresponding to the four range intervals are: maximum wind speed model, average wind speed model, weight wind speed model, and proportional wind speed model.

The wind speed model is a positive correlation function between the speed of the air conditioner fan or the wind speed and the wind speed, that is, selecting different speeds or wind speeds, corresponding wind speeds can be obtained under different wind speed models, so that The corresponding wind speed model controls the wind speed of the air conditioner. It can be understood that the maximum wind speed model, the average wind speed model, the weight wind speed model, and the proportional wind speed model in this embodiment can select different wind speed models according to different situations, so as to meet the specific needs of the user, thereby Improve the user experience.

The control module 30 is configured to control the wind speed of the air conditioner according to the corresponding wind speed model.

In this embodiment, if the adjustment speed is 766 rpm, or the windshield is adjusted to 40, the adjusted wind speed is 0.68 m/s when the maximum wind speed model is selected for control, and the adjusted wind speed is 0.29 when the average wind speed model is selected. m/s; when selecting the weight wind speed model, the adjusted wind speed is 0.20 m/s; when the proportional wind speed model is selected, the adjusted wind speed is 0.15 m/s. It should be understood that the above specific values are only used to help the understanding of the present invention, and are not intended to be limiting, but may be appropriately set according to actual conditions.

The air conditioner provided by the present invention obtains a body surface temperature value of the human body, determines a range interval in which the body surface temperature value is located, and then selects a corresponding wind speed model according to the determined range interval, and finally according to the corresponding wind speed. The model controls the wind speed of the air conditioner. In this way, the supercooling or overheating phenomenon caused by the user setting the air conditioner adjusting parameter can be avoided, and the wind speed is controlled by selecting an appropriate wind speed model according to the body surface temperature of the user, thereby improving the user experience.

In the first embodiment, on the basis of the above-mentioned FIG. 10, the selection module 20 is further configured to:

The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value.

In this embodiment, referring to FIG. 2 or FIG. 3, when the body surface temperature value Tcl≥T1, such as Tcl≥29°C, since the temperature is higher at this time, it is obviously higher than the comfortable temperature of the human body by 25° C. Therefore, it is required to rapidly cool down. At around 25 °C, you can choose the maximum wind speed model to reach the comfortable temperature as quickly as possible.

In the second embodiment, on the basis of the above-mentioned FIG. 10, the selection module 20 is further configured to:

The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value.

In this embodiment, referring to FIG. 4 or FIG. 5, when the body surface temperature value T2 ≤ Tcl < T1, such as 27 ° C ≤ Tcl < 29 ° C, since the temperature is still higher than the comfortable temperature of the human body at this time, it is possible to select Slowly cool down to a comfortable temperature, you can choose the average wind speed model to provide users with a more comfortable ambient temperature.

In the third embodiment, on the basis of the above-mentioned FIG. 10, the selection module 20 is further configured to:

The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value.

In this embodiment, referring to FIG. 6 or FIG. 7, when the body surface temperature value T3 ≤ Tcl < T2, such as 25 ° C ≤ Tcl < 27 ° C, since the temperature is relatively close to the comfortable temperature of the human body, the proportion of the human skin area The difference between the feelings of cold and heat is different. Therefore, the weight wind speed model can be selected to allow the user to feel the comfortable ambient temperature in all directions.

In the fourth embodiment, on the basis of the above-mentioned FIG. 10, the selection module is further configured to:

And determining, when the body surface temperature value is less than the third temperature value, selecting a proportional wind speed model; wherein the second temperature value is greater than the third temperature value and less than the first temperature value.

In this embodiment, referring to FIG. 8 or FIG. 9, when the body surface temperature value Tcl<T3, such as Tcl<25° C., the temperature is relatively close to the comfortable temperature of the human body, and even lower than the comfortable temperature of the human body. The proportional wind speed model can be selected so that the wind speed is significantly reduced to avoid user discomfort.

It can be understood that wherein the second temperature value is greater than the third temperature value and less than the first temperature value. That is, there is a priority order between the four wind speed models. When the temperature is higher, the maximum wind speed model is selected; when the temperature is moderate, the average wind speed model is selected; when the temperature is close to the comfort temperature, the weight wind speed model is selected; When the comfort temperature is approaching, even below the comfort temperature, the proportional wind speed model is selected. The higher the temperature above, the moderate is based on the comfort temperature as a benchmark.

In addition, it is necessary to add that the wind speeds felt at different positions of the human body are different, such as the head, the middle (chest, waist, legs, etc.) and the position of the foot from the air outlet of the air conditioner are different, therefore, different The wind speed of the part is different. Assume that the foot position height is 0.2m, the middle position height is 0.7m, and the head position height is 1.2m, which is mainly for the user sitting. At this time, for three different positions, different wind speed models are at a certain speed or wind. Under the file, the corresponding selected wind speed is as follows:

 Speed rpm  Windshield  Foot m/s  Central m/s  Head m/s  Maximum wind speed m/s  Average wind speed m/s  Proportional wind speed m/s  Weight wind speed m/s  530  1  0.34  0.12  0.07  0.34  0.18  0.12  0.14  648  20  0.52  0.11  0.08  0.52  0.24  0.13  0.17  766  40  0.68  0.12  0.07  0.68  0.29  0.15  0.20  884  60  0.82  0.19  0.09  0.82  0.37  0.20  0.27  996  80  0.96  0.38  0.14  0.96  0.49  0.32  0.41  1120  100  0.92  0.69  0.14  0.92  0.58  0.46  0.58

 Table I

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims (16)

 A wind speed control method for an air conditioner, comprising the steps of: Obtaining a body surface temperature value of the human body, and determining a range of the range in which the body surface temperature value is located; Selecting a corresponding wind speed model according to the determined range interval; The wind speed of the air conditioner is controlled according to the corresponding wind speed model. The wind speed control method of an air conditioner according to claim 1, wherein the wind speed model includes a maximum wind speed model, an average wind speed model, and a weight wind speed model. The wind speed control method of an air conditioner according to claim 2, wherein the step of selecting a corresponding wind speed model according to the determined range interval comprises: The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value. The wind speed control method of an air conditioner according to claim 3, wherein the step of selecting a corresponding wind speed model according to the determined range interval comprises: The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value. The wind speed control method of an air conditioner according to claim 4, wherein the step of selecting a corresponding wind speed model according to the determined range interval comprises: The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value. The wind speed control method of an air conditioner according to claim 5, wherein the step of selecting a corresponding wind speed model according to the determined range interval comprises: The proportional wind speed model is selected when it is determined that the body surface temperature value is less than the third temperature value. The wind speed control method of an air conditioner according to claim 6, wherein the second temperature value is greater than the third temperature value and smaller than the first temperature value. The wind speed control method for an air conditioner according to claim 1, wherein the body surface temperature value is detected by the smart wearable device or detected by an infrared sensor provided on the air conditioner. An air conditioner, characterized in that the air conditioner comprises: Obtaining a module, configured to acquire a body surface temperature value of the human body, and determine a range of the range in which the body surface temperature value is located; a selection module, configured to select a corresponding wind speed model according to the determined range interval; The control module is configured to control the wind speed of the air conditioner according to the corresponding wind speed model. The air conditioner according to claim 9, wherein said wind speed model comprises a maximum wind speed model, an average wind speed model, and a weight wind speed model. The air conditioner according to claim 10, wherein said selection module is further configured to: The maximum wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the first temperature value. The air conditioner according to claim 11, wherein said selection module is further configured to: The average wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the second temperature value and less than the first temperature value. The air conditioner according to claim 12, wherein said selection module is further configured to: The weight wind speed model is selected when it is determined that the body surface temperature value is greater than or equal to the third temperature value and less than the second temperature value. The air conditioner according to claim 13, wherein said selection module is further configured to: The proportional wind speed model is selected when it is determined that the body surface temperature value is less than the third temperature value. The air conditioner according to claim 14, wherein said second temperature value is greater than said third temperature value and smaller than said first temperature value. The air conditioner according to claim 9, wherein the body surface temperature value is detected by the smart wearable device or detected by an infrared sensor provided on the air conditioner.