Control method, control device and computer readable storage medium of fan

CN119435448BActive Publication Date: 2026-08-28GREE ELECTRIC APPLIANCE INC OF ZHUHAI
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411904853.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-08-28
Estimated Expiration
2044-12-23

AI Technical Summary

Technical Problem

[0003]有鉴于此,本发明提供了一种风扇的控制方法,以解决现有技术中的风扇不能根据用户的状态信息以及所处的环境进行智能化调节的技术问题

Benefits of technology

[0009]有益效果:运动后体温上升可通过如下实施例确定:运功后的体温上升通常是全身性的,但可能会在某些部位(如面部、四肢)更明显;用户的热成像图可能显示全身或特定部位的温度均匀上升;运功后的体温的具体数值可用于与预设的阈值进行比较,以此确定用户是够处于运动后的体温上升;还可以通过摄像头识别用户的动作,例如跑步、快走等高强度活动,可以判断用户是否处于运动状态,从而推断其需要快速散热。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119435448B_ABST
    Figure CN119435448B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of household appliances, and particularly discloses a fan control method. The application aims to solve the technical problem that the existing fan cannot be intelligently adjusted according to the state information of a user and the environment in which the user is located. The application provides a fan control method, wherein the fan is provided with an infrared thermal imaging detector, and the control method comprises the following steps: receiving a user's request for starting the fan; obtaining the body surface temperature information T of the user, the distance information between the fan and the user, and the environmental temperature information in which the user is located; and based on the body surface temperature information T, the distance information and the environmental temperature information, controlling the fan to start and work in a preset gear. The fan control method of the application realizes different demands of the user on the air supply mode in multiple states and multiple environmental states, intelligently adjusts and controls the fan, accurately matches the actual demands of the user, improves the use experience of the user, and meets the individualized demands of the user.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of home appliance technology, and more specifically to a fan control method, control device, and computer-readable storage medium. Background Technology

[0002] Currently, the comfort mode of circulating fans and other types of fans cannot meet the needs of users in different physical states, failing to provide the most comfortable airflow experience through intelligent fan speed adjustment. Because a user's body surface temperature varies in different states, as the comfort mode activates and delivers airflow, the user's body surface temperature gradually decreases with increasing airflow duration. The continuous airflow from the comfort mode may cause discomfort for the user, thus failing to meet the airflow needs of users with different body shapes. Summary of the Invention

[0003] In view of this, the present invention provides a fan control method to solve the technical problem that fans in the prior art cannot intelligently adjust according to the user's status information and the environment.

[0004] In a first aspect, the present invention provides a fan control method, wherein the fan is equipped with an infrared thermal imaging detector, and the control method includes: receiving a user's request to start the fan; acquiring the user's body surface temperature information T, the distance information between the fan and the user, and the ambient temperature information of the user; and controlling the fan to start and operate at a preset speed based on the body surface temperature information T, the distance information, and the ambient temperature information.

[0005] Beneficial effects: The fan control method of the present invention realizes the different needs of users for air supply mode in multiple states and multiple environments. Through intelligent adjustment and control of the fan, it can accurately match the actual needs of users, thereby improving the user experience and meeting the personalized needs of users.

[0006] Specifically, the circulating fan is equipped with an infrared thermal imaging detector to detect changes in ambient temperature, air delivery distance, and user body temperature in real time, and intelligently adjusts the comfort air delivery level to ensure that users experience the most comfortable airflow in real time.

[0007] The fan has five comfort settings, categorized by RPM as low, medium, and high. Settings 1 and 2 are defined as low speed; 3 as medium speed; and 4 and 5 as high speed. In a test environment of 25℃ and a distance of 2 meters from a person, the most comfortable fan speed is set to the default setting (initial, medium, and 3). The fan is equipped with an infrared thermal imaging sensor that scans the airflow area, acquiring and detecting ambient temperature, airflow distance, and body temperature. This data is then used to intelligently determine and adjust the comfort setting, truly meeting the user's wind comfort needs at different body temperatures.

[0008] In one optional implementation, controlling the fan to start and operate at a preset speed based on body surface temperature information T, distance information, and ambient temperature information specifically includes: determining that the user is in a normal state based on body surface temperature information T being in the range of 36.5℃ to 37.5℃, and controlling the fan to operate at a medium speed; determining that the user is in a state after strenuous exercise based on body surface temperature information T > 37.5℃, and controlling the fan to increase the speed by one level based on the medium speed, and operating at the first increased speed.

[0009] Beneficial effects: The rise in body temperature after exercise can be determined through the following examples: The rise in body temperature after exercise is usually systemic, but may be more pronounced in certain areas (such as the face and limbs); the user's thermal image may show a uniform rise in temperature throughout the body or in specific areas; the specific value of the body temperature after exercise can be compared with a preset threshold to determine whether the user is experiencing a rise in body temperature after exercise; the user's movements can also be identified by the camera, such as high-intensity activities like running and brisk walking, to determine whether the user is in a state of exercise and thus infer that they need to dissipate heat quickly.

[0010] In one optional implementation, the control method further includes: real-time monitoring of body surface temperature information T;

[0011] If the decrease in body surface temperature information T is less than 0.3℃ and the body surface temperature information T is greater than 37.5℃, the fan will be controlled to increase by 1 level from the first increase level, up to the highest level.

[0012] Beneficial effects: By controlling the fan to increase the speed by one level from the first speed up to the highest speed, the user can be quickly cooled down, thereby keeping the user's body temperature within a comfortable range and improving the user experience.

[0013] In one optional implementation, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease in body surface temperature information T being ≥0.3℃ and body surface temperature information T being >37.5℃, controlling the fan to maintain operation at the first increased speed.

[0014] Beneficial effects: By controlling the fan to maintain the first increased speed, stable heat dissipation can be achieved for the user, thereby keeping the user's body temperature within a comfortable range and reducing physical discomfort caused by a rapid drop in body temperature. For example, it can reduce the risk of the user catching a cold due to a rapid drop in body temperature, thus improving the user experience.

[0015] In one optional implementation, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T being <0.3℃ and the body surface temperature information T being in the range of 36.5℃ to 37.5℃, controlling the fan to decrease by 1 level from the first increased speed setting and operate at the medium speed setting.

[0016] Beneficial effect: If the body surface temperature information T is in the range of 36.5℃~37.5℃, the fan will be reduced by 1 level from the first increased speed setting and will operate at the medium speed setting, which will blow a more comfortable air to the user.

[0017] In one optional implementation, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T by ≥0.3℃ and the body surface temperature information T being in the range of 36.5℃~37.5℃, controlling the fan to decrease by 1 level from the first increased level and operate at the medium speed level.

[0018] Beneficial effect: If the body surface temperature information T is in the range of 36.5℃~37.5℃, the fan will be reduced by 1 level from the first increased speed setting and will operate at the medium speed setting, which will blow a more comfortable air to the user.

[0019] In one optional implementation, the control method further includes: real-time monitoring of body surface temperature information T; and controlling the fan to stop working if the decrease in body surface temperature information T is ≥0.3℃ and the body surface temperature information T is below 36.5℃.

[0020] Beneficial effect: If the body surface temperature information T is below 36.5℃, it means that the user does not need to cool down at this time. By controlling the fan to stop working, the user's body temperature can be reduced from further dropping, which may cause discomfort.

[0021] In one optional implementation, the control method further includes: controlling the fan to operate at a low speed if the fan does not detect a user for a first preset time; and controlling the fan to stop if the fan does not detect a user for a second preset time, wherein the second preset time is longer than the first preset time.

[0022] Beneficial effect: When the infrared imaging detector detects no human body for 5 consecutive minutes, the current comfort wind level will be directly reduced to low speed level 1. It is determined that the user has left the air supply area. In order to save energy, the comfort wind low speed level 1 will be intelligently executed.

[0023] If the infrared imaging detector is set to continuously detect for more than Y minutes and there are no users in the air supply area, the device will immediately shut down and stop working. The continuous detection period is Y minutes. Users can set the Y minutes time on the fan app.

[0024] In one optional implementation, the control method further includes: recalculating the second preset time based on the detection of body surface temperature information T after the fan has not detected the user for a third consecutive preset time.

[0025] Beneficial effect: When the infrared imaging detector continuously detects no users in the air supply area, if it detects a user's body temperature for 10 consecutive seconds, the automatic shutdown time of Y min for continuous detection of no users will be reset.

[0026] In one optional implementation, the ambient temperature information is set to 25°C by default. The control method further includes: for every 5°C increase in the ambient temperature information, the fan speed increases by 1 level in the current setting; for every 5°C decrease in the ambient temperature information, the fan speed decreases by 1 level in the current setting.

[0027] Beneficial effects: The fan operates within an ambient temperature range of 3℃ to 40℃. In the current model, the most comfortable wind speed is set to the default setting (initial, medium, and speed 3) in an experimental environment of 25℃. The fan is equipped with an infrared thermal imaging detector that monitors the user's body temperature changes in real time and intelligently adjusts the comfortable wind speed accordingly. By detecting the ambient temperature, the fan compensates for and adjusts the comfortable wind speed to ensure that the user can experience the most comfortable wind experience under different physical conditions.

[0028] In one optional implementation, the distance information is 2m by default, and the control method further includes: for every 1m increase in the distance information, the fan speed increases by 1 level in the current gear; for every 1m decrease in the distance information, the fan speed decreases by 1 level in the current gear.

[0029] Beneficial effects: The fan can be used within an air delivery distance range (0m, 3m). The most comfortable wind speed is set to the default setting, which is the fan's initial setting, medium speed setting, and 3rd speed setting. The fan is equipped with an infrared thermal imaging detector to monitor the distance information in real time and intelligently adjust the comfortable wind delivery speed. By detecting the air delivery distance, the comfortable wind speed is adjusted to compensate and ensure that the distance information can provide the most comfortable wind experience under different conditions.

[0030] Secondly, the present invention also provides a fan control device, comprising: a receiving module for receiving a user's request to start the fan; an acquisition module for acquiring the user's body surface temperature information, the distance information between the fan and the user, and the ambient temperature information of the user; and a control module for controlling the fan to start and operate at a preset speed based on the body surface temperature information T, the distance information, and the ambient temperature information.

[0031] Thirdly, the present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the fan control method of the first aspect of this application. Attached Figure Description

[0032] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 This is a flowchart illustrating a fan control method according to an embodiment of the present invention;

[0034] Figure 2 This is a flowchart illustrating a fan control method according to another embodiment of the present invention;

[0035] Figure 3 This is a structural block diagram of a fan control device according to an embodiment of the present invention.

[0036] Explanation of reference numerals in the attached figures:

[0037] 10. Fan control device; 11. Receiving module; 12. Acquisition module; 13. Control module. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0040] The following is combined with Figures 1 to 3 The embodiments of the present invention are described below.

[0041] like Figure 1 and Figure 2As shown, according to an embodiment of the present invention, in one aspect, the present invention provides a fan control method. The fan is equipped with an infrared thermal imaging detector. The control method includes: receiving a user's request to start the fan; acquiring the user's body surface temperature information T, the distance information between the fan and the user, and the ambient temperature information of the user; and controlling the fan to start and operate at a preset speed based on the body surface temperature information T, the distance information, and the ambient temperature information.

[0042] In the above embodiments, the fan control method of this application realizes the different needs of users for air supply mode in multiple states and multiple environments. By intelligently adjusting and controlling the fan, it can accurately match the actual needs of users, thereby improving the user experience and meeting the personalized needs of users.

[0043] Specifically, the circulating fan is equipped with an infrared thermal imaging detector to detect changes in ambient temperature, air delivery distance, and user body temperature in real time, and intelligently adjusts the comfort air delivery level to ensure that users experience the most comfortable airflow in real time.

[0044] The fan has five comfort settings, categorized by RPM as low, medium, and high. Settings 1 and 2 are defined as low speed; 3 as medium speed; and 4 and 5 as high speed. In a test environment of 25℃ and a distance of 2 meters from a person, the most comfortable fan speed is set to the default setting (initial, medium, and 3). The fan is equipped with an infrared thermal imaging sensor that scans the airflow area, acquiring and detecting ambient temperature, airflow distance, and body temperature. This data is then used to intelligently determine and adjust the comfort setting, truly meeting the user's wind comfort needs at different body temperatures.

[0045] Furthermore, the human body sensor can detect whether there is someone in the room. When someone enters the room, the fan can automatically adjust the airflow direction and speed according to the preset mode. The human body thermal imaging sensor and camera can detect the user's status, and the fan can automatically increase the airflow intensity and optimize the airflow direction to achieve better temperature control.

[0046] Assuming the fan has three airflow modes, after the fan starts, the system first checks whether the user has enabled the comfort mode. Before the check is complete, it operates at the default speed or setting. Conversely, if the comfort mode is enabled, the system will monitor and obtain the user's current status in real time to dynamically adjust the airflow mode, ensuring that the user is always in the most suitable airflow environment.

[0047] The fan provided in this embodiment of the invention can intelligently switch its airflow mode based on the user's state: Data acquisition; when the fan is first started, the thermal imaging sensor and camera will perform a comprehensive scan to obtain the initial state of the room. Periodic detection: the system can be set to perform a detection at regular intervals (e.g., every 5 minutes) to update the user's perceived temperature and activity status. Changes in user activity: when the system detects that the user changes from a static state to a moving state, or from a moving state to a static state, it will immediately perform a detection.

[0048] like Figures 1 to 2 As shown, in one optional implementation, controlling the fan to start and operate at a preset speed based on body surface temperature information T, distance information, and ambient temperature information specifically includes: determining that the user is in a normal state based on body surface temperature information T being in the range of 36.5℃ to 37.5℃, and controlling the fan to operate at a medium speed; determining that the user is in a state after strenuous exercise based on body surface temperature information T > 37.5℃, and controlling the fan to increase one speed from the medium speed, operating at the first increased speed.

[0049] In this embodiment, a user's body surface temperature map is generated using thermal imaging sensor data, creating an image that displays the distribution of the user's body surface temperature. This allows for a direct view of which areas have higher temperatures. If the user's body surface temperature exceeds a certain threshold (e.g., 36°C), it is assumed that the user may require rapid heat dissipation. Furthermore, it is important to distinguish whether the rise in body temperature is caused by illness or exercise. This distinction can be made using methods such as the rate and duration of the temperature rise, the time point of temperature measurement, body temperature distribution, and thermal imaging technology. This ensures that the fan can accurately meet the user's needs.

[0050] Specifically, a user's body temperature usually rises gradually after exercise begins and returns to normal within minutes to half an hour after exercise ends. As for a rise in body temperature caused by illness, the rise is usually slower and lasts longer, possibly for several hours or even days.

[0051] In addition, a user's body temperature rises after exercise, typically appearing higher immediately after exercise but gradually decreasing over time. Conversely, a user's body temperature rises due to illness, with measurements potentially being higher at multiple times of the day and showing little variation. This helps determine whether the rise in body temperature is caused by exercise or illness.

[0052] like Figures 1 to 2 As shown, in some embodiments, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T < 0.3℃ and body surface temperature information T > 37.5℃, controlling the fan to increase by 1 level based on the first increase level, up to the highest level.

[0053] In the above embodiment, by controlling the fan to increase by one level from the first increased level to the highest level, the purpose of quickly dissipating heat from the user can be achieved, thereby keeping the user's body temperature within a comfortable range and improving the user experience.

[0054] like Figures 1 to 2 As shown, in some embodiments, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T by ≥0.3℃ and body surface temperature information T>37.5℃, controlling the fan to maintain operation at the first increased speed.

[0055] In the above embodiments, by controlling the fan to maintain the first increased speed, the purpose of stable heat dissipation for the user can be achieved, thereby keeping the user's body temperature within a comfortable range and reducing physical discomfort caused by a rapid drop in body temperature. For example, it can reduce the risk of the user catching a cold due to a rapid drop in body temperature, thus improving the user experience.

[0056] like Figures 1 to 2 As shown, in some embodiments, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T by <0.3℃ and the body surface temperature information T being in the range of 36.5℃ to 37.5℃, controlling the fan to decrease by 1 level from the first increased level and operate at the medium speed level.

[0057] In the above embodiment, if the body surface temperature information T is in the range of 36.5℃ to 37.5℃, the fan is controlled to decrease by one level from the first increased speed setting and operate at the medium speed setting, which blows a more comfortable breeze to the user.

[0058] like Figures 1 to 2 As shown, in some embodiments, the control method further includes: real-time monitoring of body surface temperature information T; based on the decrease of body surface temperature information T by ≥0.3℃ and the body surface temperature information T being in the range of 36.5℃~37.5℃, controlling the fan to decrease by 1 level from the first increased level and operate at the medium speed level.

[0059] In the above embodiment, if the body surface temperature information T is in the range of 36.5℃ to 37.5℃, the fan is controlled to decrease by one level from the first increased speed setting, operating at a medium speed to deliver a more comfortable breeze to the user. This intelligent air delivery mode can not only dynamically adjust according to the user's actual needs, but also provide a more personalized and comfortable experience without affecting the user's other activities.

[0060] like Figures 1 to 2As shown, in some embodiments, the control method further includes: real-time monitoring of body surface temperature information T; and controlling the fan to stop working if the decrease in body surface temperature information T is ≥0.3℃ and the body surface temperature information T is below 36.5℃.

[0061] In this embodiment, the body surface temperature information T is below 36.5°C, indicating that the user does not need to cool down at this time. By controlling the fan to stop working, the user's body temperature can be reduced from further decreasing, which could cause discomfort to the user.

[0062] like Figures 1 to 2 As shown, in some embodiments, the control method further includes: controlling the fan to operate at a low speed if the fan does not detect a user for a first preset time; and controlling the fan to stop if the fan does not detect a user for a second preset time, wherein the second preset time is longer than the first preset time.

[0063] In this embodiment, when the infrared imaging detector detects no human body for 5 consecutive minutes, the current comfort wind level is directly reduced to low speed level 1. It is determined that the user has left the air supply area at this time, and in order to save energy, the comfort wind low speed level 1 is intelligently executed.

[0064] If the infrared imaging detector is set to continuously detect for more than Y minutes and there are no users in the air supply area, the device will immediately shut down and stop working. The continuous detection period is Y minutes. Users can set the Y minutes time on the fan app.

[0065] like Figures 1 to 2 As shown, in one optional implementation, the control method further includes: recalculating the second preset time based on the detection of body surface temperature information T after the fan has not detected the user for a third consecutive preset time.

[0066] In this embodiment, when the infrared imaging detector continuously detects that there are no users in the air supply area, and then detects a user's body temperature for 10 consecutive seconds, the automatic shutdown time of Y min for continuous detection of no users is reset.

[0067] like Figures 1 to 2 As shown, in one optional implementation, the ambient temperature information is set to 25°C by default. The control method further includes: for every 5°C increase in the ambient temperature information, the fan speed increases by 1 level in the current gear; for every 5°C decrease in the ambient temperature information, the fan speed decreases by 1 level in the current gear.

[0068] In this embodiment, the fan operates within an ambient temperature range of 3°C to 40°C. The current model operates in an experimental environment of 25°C. The most comfortable wind speed is set to the default setting, which is the fan's initial setting, medium speed setting, and level 3. The fan is equipped with an infrared thermal imaging detector to monitor changes in the user's body temperature in real time and intelligently adjust the comfort wind speed accordingly. By detecting the ambient temperature, the comfort wind speed is adjusted to compensate for the changes in ambient temperature, ensuring that the user can experience the most comfortable wind sensation under different physical conditions.

[0069] like Figures 1 to 2 As shown, in one optional implementation, the distance information is 2m by default, and the control method further includes: for every 1m increase in the distance information, the fan increases by 1 level in the current gear; for every 1m decrease in the distance information, the fan decreases by 1 level in the current gear.

[0070] In this embodiment, the fan uses an air delivery distance range (0m, 3m), and the most comfortable wind speed is set to the default setting, i.e., the fan's initial setting, medium speed setting, and 3rd speed setting. The fan is equipped with an infrared thermal imaging detector to monitor the distance information in real time and intelligently adjust the comfortable wind delivery setting. By detecting the air delivery distance, the comfortable wind setting is adjusted to compensate and ensure that the distance information can provide the most comfortable wind experience under different conditions.

[0071] Specifically, under the experimental environment of 25℃ and a distance of 2m from the person, the most comfortable wind speed of the current model is set to the default setting, namely the initial fan speed, medium speed, and speed 3. The fan is equipped with an infrared thermal imaging detector to monitor the user's body temperature changes in real time and intelligently adjust the comfortable wind speed. By detecting the air delivery distance and the ambient temperature range, the comfortable wind speed is adjusted to compensate and ensure that the user can feel the most comfortable wind experience under different body conditions.

[0072] The circulating fan is equipped with an infrared thermal imaging detector to monitor changes in ambient temperature, air delivery distance, and user body temperature in real time, and intelligently adjusts the comfort air delivery level to ensure that users experience the most comfortable airflow in real time.

[0073] The fan has five comfort settings, categorized by RPM as low, medium, and high. Settings 1 and 2 are defined as low speed; 3 as medium speed; and 4 and 5 as high speed. In a test environment of 25℃ and a distance of 2 meters from a person, the most comfortable fan speed is set to the default setting (initial, medium, and 3). The fan is equipped with an infrared thermal imaging sensor that scans the airflow area, acquiring and detecting ambient temperature, airflow distance, and body temperature. This data is then used to intelligently determine and adjust the comfort setting, truly meeting the user's wind comfort needs at different body temperatures.

[0074] A user's normal body temperature is 36.5℃~37.5℃. Infrared imaging detects a user's body temperature under three conditions:

[0075] Condition 1: When the infrared imaging detector detects that the user's body temperature is between 36.5℃ and 37.5℃, it determines that the user's body is in a normal state; at this time, the comfort wind setting will be set to medium speed level 3 to provide the user with the most comfortable wind experience.

[0076] Condition 2: When a user has engaged in strenuous exercise, if the infrared imaging detects a user's body temperature T > 37.5℃, the user is considered to be in a state of post-strenuous exercise. The comfort wind setting is initially at level 3, increasing by 1 level to level 4. The infrared imaging detector continuously monitors the user's body temperature every 5 minutes. If the detected temperature decrease is < 0.3℃ compared to the previous reading, the user's temperature is considered to have not decreased significantly. If the detected temperature decrease is ≥ 0.3℃ compared to the previous reading, the user's temperature is considered to have decreased significantly.

[0077] When the user's body temperature is detected to drop by less than 0.3℃, or the body temperature does not drop significantly and T > 37.5℃, the gear will be increased by 1 level, and this cycle will continue until the highest level is reached.

[0078] When a user's body temperature drops by ≥0.3℃, or the body temperature drops significantly but still T>37.5℃, the gear will remain at level 4.

[0079] When the user's body temperature is detected to drop by less than 0.3℃, and the body temperature does not drop significantly to the range of 36.5℃ to 37.5℃, the gear is downgraded by 1 gear to operate at the medium speed gear 3.

[0080] When a user's body temperature drops by ≥0.3℃, or falls to the 36.5℃~37.5℃ range, the gear will immediately drop one level to operate at medium speed level 3.

[0081] When a user's body temperature drops by ≥0.3℃ or falls below 36.5℃, the fan speed will immediately stop.

[0082] Condition 3: The infrared imaging detector acquires the user's body temperature every 5 minutes. If no user body temperature is detected for 5 consecutive minutes, the system intelligently matches the comfort fan speed setting.

[0083] (1) When the infrared imaging detector detects no human body for 5 minutes, the current comfort wind level will be directly reduced to low speed level 1. It is determined that the user has left the air supply area. In order to save energy, the comfort wind low speed level 1 will be intelligently executed.

[0084] (2) When the infrared imaging detector has a continuous detection time of Y min and there are no users in the air supply area, the speed will immediately turn off and stop working. The continuous detection time is Y min. Users can set the Y min time on the fan app.

[0085] (3) When the infrared imaging detector continuously detects no users in the air supply area, if the body temperature of a user is detected for 10 consecutive seconds, the automatic shutdown time of Y min when no user is detected will be reset.

[0086] The fan operates within an ambient temperature range of 3℃ to 40℃. Under experimental conditions of 25℃ and a distance of 2m from a person, the most comfortable wind speed for this model is set to the default setting, which is the initial fan speed, medium speed, or speed 3. For every 5℃ increase / decrease, the speed will increase / decrease by 1 level from the current setting.

[0087] The fan operates within an air delivery distance range (0m, 3m). Under experimental conditions of 25℃ and a 2m air delivery distance from a person, the most comfortable wind speed for this model is set to the default setting, which is the initial fan speed, medium speed, or speed 3. For every 1m increase / decrease in air delivery distance, the speed is increased / decreased by 1 level.

[0088] Furthermore, the order of the steps in the above embodiments is only a preferred embodiment of this application. Without conflicting with the inventive concept of this application, the order of the steps can be freely changed, and such adjustments fall within the protection scope of the embodiments of this application.

[0089] like Figure 3 As shown, in a second aspect, the present invention also provides a fan control device 10, comprising: a receiving module 11 for receiving a user's request to start the fan; an acquisition module 12 for acquiring the user's body surface temperature information, the distance information between the fan and the user, and the ambient temperature information of the user; and a control module 13 for controlling the fan to start and operate at a preset speed based on the body surface temperature information T, the distance information, and the ambient temperature information.

[0090] Thirdly, the present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the fan control method of the first aspect of this application.

[0091] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. The storage medium can be a magnetic disk, optical disk, read-only memory (ROM), random access memory (RAM), flash memory, hard disk drive (HDD), or solid-state drive (SSD), etc.; the storage medium can also include combinations of the above types of memory.

[0092] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the embodiments of this application.

Claims

1. A fan control method, characterized in that, The fan is equipped with an infrared thermal imaging detector, and the control method includes: Receive user's request to start the fan; The system acquires the user's body surface temperature information T, the distance between the fan and the user, and the ambient temperature of the user's surroundings. Based on the body surface temperature information T, distance information, and ambient temperature information, the fan is controlled to start and operate at a preset speed. Specifically, controlling the fan to start and operate at a preset speed based on the body surface temperature information T, distance information, and ambient temperature information includes: Based on the body surface temperature information T being in the range of 36.5℃ to 37.5℃, it is determined that the user is in a normal state, and the fan is controlled to operate at medium speed. Based on the body surface temperature information T > 37.5℃, it is determined that the user is in a state after strenuous exercise, and the fan is controlled to increase one speed from the medium speed setting, operating at the first increased speed setting. The control method further includes: Real-time monitoring of the body surface temperature information T; To distinguish whether a rise in body temperature is caused by illness or exercise, it's important to understand that after exercise, the temperature is typically higher immediately upon measurement but gradually decreases over time. Conversely, when the temperature rises due to illness, it may be higher at multiple times throughout the day with relatively little variation. This distinction helps determine whether the elevated body temperature is due to exercise or illness. If the user's body temperature rise is caused by exercise, then based on the decrease in the body surface temperature information T being <0.3℃ and the body surface temperature information T being >37.5℃, the fan is controlled to increase by 1 level on the basis of the first increase level, up to the highest level. Real-time monitoring of the body surface temperature information T; If the decrease in body surface temperature information T is ≥0.3℃ and the body surface temperature information T>37.5℃, then the fan is controlled to maintain operation at the first increased speed.

2. The fan control method according to claim 1, characterized in that, The control method further includes: Real-time monitoring of the body surface temperature information T; Based on the fact that the decrease in the body surface temperature information T is less than 0.3℃, and the body surface temperature information T is in the range of 36.5℃ to 37.5℃, the fan is controlled to decrease by 1 level from the first increased speed level and operate at the medium speed level.

3. The fan control method according to claim 1, characterized in that, The control method further includes: Real-time monitoring of the body surface temperature information T; If the decrease in body surface temperature information T is ≥0.3℃ and the body surface temperature information T is in the range of 36.5℃~37.5℃, then the fan is controlled to decrease by 1 level from the first increased speed level and operate at the medium speed level.

4. The fan control method according to claim 1, characterized in that, The control method further includes: Real-time monitoring of the body surface temperature information T; If the decrease in body surface temperature information T is ≥0.3℃ and the body surface temperature information T is below 36.5℃, then the fan will be controlled to stop working.

5. The fan control method according to claim 1, characterized in that, The control method further includes: If the fan does not detect the user for a first preset time, the fan is controlled to reduce to a low speed. If the fan does not detect the user for a second consecutive preset time, the fan is controlled to stop. The second preset time is longer than the first preset time.

6. The fan control method according to claim 5, characterized in that, The control method further includes: If the body surface temperature information T is detected for a third consecutive preset time after the fan has not detected the user, then the second preset time is recalculated.

7. The fan control method according to any one of claims 1 to 6, characterized in that, The ambient temperature information is set to 25℃ by default, and the control method further includes: For every 5°C increase in the ambient temperature, the fan speed increases by 1 level from the current setting. For every 5°C decrease in the ambient temperature, the fan will decrease by one level from its current setting.

8. The fan control method according to any one of claims 1 to 6, characterized in that, The distance information is set to 2m by default, and the control method further includes: For every 1m increase in the distance information, the fan speed increases by 1 level from the current speed. For every 1m decrease in the distance information, the fan will decrease by 1 level from the current speed.

9. A fan control device, characterized in that, The fan control device is used to execute the fan control method according to claim 1, including: The receiving module (11) is used to receive the user's request to start the fan; The acquisition module (12) is used to acquire the user's body surface temperature information, the distance information between the fan and the user, and the ambient temperature information of the user. The control module (13) is used to control the fan to start and operate at a preset speed based on the body surface temperature information T, distance information and ambient temperature information.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the fan control method according to any one of claims 1-8.

Citation Information

Patent Citations

  • Fan control method and device with wind speed capable of being adjusted automatically and fan

    CN110173454A

  • Smart fan

    CN204476819U