Intelligent electric fan control method based on X-band radar induction

Abstract

The invention discloses a control method of an intelligent electric fan based on X-band radar induction, and relates to the technical field of electric fan equipment. The intelligent electric fan comprises an electric fan body and an X-band radar sensor, the electric fan body is provided with a controller, the controller is connected with the X-band radar sensor, and the X-band radar sensor transmits collected data to the controller; the controller judges whether the human body gets close or moves or not according to the received radar signals, and the original gear of the electric fan is adjusted according to the movement change. The position and movement of the human body are accurately sensed through the X-band radar sensor, image information of a user does not need to be collected, the privacy of the user is protected, the wind speed can be automatically adjusted according to the position and movement changes of the user, the energy-saving effect is achieved while the use requirement of the user is met, and the use experience of the user is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric fan equipment, and in particular to an intelligent electric fan control method based on X-band radar sensing. Background Art

[0002] With the development of science and technology and people's pursuit of quality of life, smart home products have gradually become an important part of modern families. Among them, electric fans, as a traditional household appliance, are also developing in the direction of intelligence. Traditional electric fans usually use manual adjustment of wind speed, which cannot meet people's needs for convenience and comfort. Therefore, the application of intelligent wind speed control technology in electric fans has become an important development direction.

[0003] Existing smart electric fans mainly use infrared sensors or cameras to sense the position of people, thereby realizing intelligent control of wind speed. However, these sensors have some problems in practical applications. For example, infrared sensors are easily affected by ambient temperature and light, resulting in low sensing accuracy, and may not be able to accurately sense the position and movement of people, thus affecting the accuracy of wind speed control; cameras involve privacy issues, and users may not be willing to expose their image data to sensors. In addition, existing smart electric fans also have problems in energy utilization, and may not achieve the best energy-saving effect. Summary of the invention

[0004] In view of the problem that the current method of sensing the human body position through infrared sensors or cameras is easily affected by ambient temperature and light, resulting in low sensing accuracy, high energy consumption, and easy privacy leakage, the present invention provides an intelligent electric fan control method based on X-band radar sensing.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] An intelligent electric fan control method based on X-band radar sensing is applied to an intelligent electric fan, wherein the intelligent electric fan comprises an electric fan and an X-band radar sensor, wherein the electric fan has a controller, wherein the controller is connected to the X-band radar sensor, and the X-band radar sensor transmits collected data to the controller; and further comprises the following steps: S1: power on and start, wherein the X-band radar sensor transmits and receives radar signals, and transmits the radar signals to the controller; S2: wherein the controller determines whether a human body moves closer or farther away according to the received radar signals, and enters S3 when it is determined that the human body moves closer; and enters S4 when it is determined that the human body moves farther away; S3: wherein the controller turns on the electric fan, or increases the original gear position of the electric fan, and enters S5; S4: wherein the controller reduces the original gear position of the electric fan, or turns off the electric fan, and enters S5; and S5: turns off the power and turns off.

[0007] Furthermore, the X-band radar sensor is fixed on the top of the electric fan.

[0008] Furthermore, the X-band radar sensor operates in a frequency range between 8 GHz and 12 GHz.

[0009] Further, in S2, when the controller does not detect any movement change of a human body approaching or moving away for at least 1 hour, it enters S4.

[0010] Further, in S3, the controller is divided into a first activity range and a second activity range according to the distance.

[0011] Furthermore, the electric fan is located inside the first activity range, and the second activity range is located outside the first activity range.

[0012] Furthermore, when the controller detects that a human body enters the second activity range, the controller turns on the electric fan or increases the original gear position of the electric fan.

[0013] Furthermore, when the controller detects that a human body enters the first activity range, the original gear position of the electric fan is increased again.

[0014] The beneficial effects of the present invention are as follows: the present invention has a high-precision motion sensing function: the present invention can accurately sense the position and movement of the human body by adopting micro-motion sensing technology based on X-band radar chips. Compared with existing infrared sensors and cameras, X-band radar sensors have higher resolution and better penetration ability, and can stably and accurately sense the position and movement of people in various environments, thereby achieving more accurate wind speed control. The present invention has a good privacy protection function: the present invention uses X-band radar sensors for motion sensing, and does not need to collect user image data, thereby effectively protecting the user's privacy. Compared with sensors such as cameras, X-band radar sensors do not involve privacy issues, and users do not need to worry about their image data being exposed or abused. The present invention has a good energy-saving effect: the present invention can dynamically adjust the wind speed according to the position and movement of the person through intelligent wind speed control technology, thereby achieving the best energy-saving effect. When a person approaches the electric fan, the wind speed can automatically increase to improve comfort; and when a person is away from or leaves the room, the wind speed can automatically decrease or turn off to save energy. Compared with traditional electric fans, the present invention has a significant energy-saving effect and helps to reduce electricity costs and environmental burdens. The present invention has a wide range of applications: the intelligent wind speed control technology of the present invention is not only suitable for home environments, but also for various scenarios such as offices and public places. In office environments, the wind speed can be automatically adjusted according to personnel activities to improve comfort and save energy; in public places, personalized wind speed adjustment can be provided according to user needs to improve user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a workflow diagram of an embodiment of the present invention. DETAILED DESCRIPTION

[0016] The present invention discloses an intelligent electric fan control method based on X-band radar sensing. An implementation manner of the present invention is described in detail below in conjunction with the accompanying drawings.

[0017] like Figure 1 As shown, the smart electric fan includes an electric fan and an X-band radar sensor. The X-band radar sensor is arranged on the top of the electric fan, which can ensure that the radar signal emitted by the X-band radar sensor covers the entire room and ensures that there is no detection blind spot. The electric fan has a controller, which is used to control the switch of the electric fan and adjust the gear. The controller is connected to the X-band radar sensor, and the X-band radar sensor transmits the collected data to the controller.

[0018] The specific steps of the intelligent electric fan control method based on X-band radar sensing include: the first step is to turn on the power, and the X-band radar sensor at the top of the electric fan transmits and receives radar signals into the room, and transmits the radar signals to the controller. The operating frequency range of the X-band radar sensor is between 8GHz and 12GHz, with good resolution and penetration. By transmitting and receiving radar signals, the X-band radar sensor can detect the position and movement changes of the human body in real time, and realize high-precision motion perception.

[0019] In the second step, the controller determines whether the human body is approaching or moving away based on the received radar signal, and dynamically adjusts the wind speed of the electric fan. When it is determined that the human body is approaching, the controller proceeds to the third step; when it is determined that the human body is moving away, the controller proceeds to the fourth step; and when the controller does not detect the human body approaching or moving away for at least one hour, the controller proceeds to the fourth step.

[0020] In the third step, the controller divides the received radar signal into the first activity range and the second activity range according to the distance from the electric fan. The electric fan is located inside the first activity range, and the second activity range is located outside the first activity range. After the controller detects that a human body has entered the second activity range, the controller determines the state of the electric fan at this time. When the electric fan is in the off state, the controller turns on the electric fan; when the electric fan is in the on state, the controller increases the gear level by one level based on the original gear level of the electric fan. After the controller detects that a human body has entered the first activity range, the controller increases the gear level by one level based on the original gear level of the electric fan. For example: when the X-band radar sensor detects that someone has entered the second activity range of the room, the controller can adjust the wind speed from low gear to medium gear; when the X-band radar sensor detects that someone has entered the first activity range to approach the electric fan, the controller can adjust the wind speed from medium gear to high gear.

[0021] In the fourth step, the controller reduces the gear by one level based on the original gear, or turns off the electric fan.

[0022] Step 5: Turn off the power.

[0023] The present invention uses an X-band radar sensor to detect the position and movement of the human body, and does not need to collect the user's image data, which greatly improves the safety of use. The controller has a privacy protection function and an encryption program is set to ensure that the user's data will not be leaked.

[0024] The present invention has a high-precision motion sensing function: the present invention can accurately sense the position and movement of the human body by adopting micro-motion sensing technology based on X-band radar chips. Compared with existing infrared sensors and cameras, X-band radar sensors have higher resolution and better penetration ability, and can stably and accurately sense the position and movement of people in various environments, thereby achieving more accurate wind speed control. The present invention has a good privacy protection function: the present invention uses X-band radar sensors to sense motion, and does not need to collect user image data, thereby effectively protecting the user's privacy. Compared with sensors such as cameras, X-band radar sensors do not involve privacy issues, and users do not need to worry about their image data being exposed or abused. The present invention has a good energy-saving effect: the present invention can automatically adjust the wind speed according to the position and movement of the person through intelligent wind speed control technology, thereby achieving the best energy-saving effect. When a person approaches the electric fan, the wind speed can automatically increase to improve comfort; and when a person is away from or leaves the room, the wind speed can automatically decrease or turn off to save energy. Compared with traditional electric fans, the present invention has a significant energy-saving effect and helps to reduce electricity costs and environmental burdens. The present invention has a wide range of applications: the intelligent wind speed control technology of the present invention is not only suitable for home environments, but also for various scenarios such as offices and public places. In office environments, the wind speed can be automatically adjusted according to personnel activities to improve comfort and save energy; in public places, personalized wind speed adjustment can be provided according to user needs to improve user experience.

[0025] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A smart electric fan control method based on X-band radar sensing, applied to a smart electric fan, wherein the smart electric fan comprises an electric fan and an X-band radar sensor, wherein the electric fan has a controller, wherein the controller is connected to the X-band radar sensor, and the X-band radar sensor transmits collected data to the controller; characterized in that: The following steps are involved: S1: Power on and start, the X-band radar sensor transmits and receives radar signals, and transmits the radar signals to the controller; S2: The controller determines whether the human body moves closer or farther away according to the received radar signal. When it is determined that the human body moves closer, the controller enters S3; when it is determined that the human body moves away, the controller enters S4; S3: the controller turns on the electric fan, or increases the original gear of the electric fan, and enters S5; S4: the controller reduces the original gear position of the electric fan, or turns off the electric fan, and enters S5; S5: Power off.

2. The intelligent electric fan control method based on X-band radar sensing according to claim 1 is characterized in that: The X-band radar sensor is fixed on the top of the electric fan.

3. The intelligent electric fan control method based on X-band radar sensing according to claim 1 is characterized in that: The X-band radar sensor operates in a frequency range between 8 GHz and 12 GHz.

4. The intelligent electric fan control method based on X-band radar sensing according to claim 1 is characterized in that: In S2, when the controller does not detect any movement change of a human body approaching or moving away for at least 1 hour, it enters S4.

5. The intelligent electric fan control method based on X-band radar sensing according to claim 1 is characterized in that: In S3, the controller is divided into a first activity range and a second activity range according to the distance.

6. The intelligent electric fan control method based on X-band radar sensing according to claim 5 is characterized in that: The electric fan is located inside the first activity range, and the second activity range is located outside the first activity range.

7. The intelligent electric fan control method based on X-band radar sensing according to claim 6 is characterized in that: When the controller detects that a human body enters the second activity range, the controller turns on the electric fan or increases the original gear position of the electric fan.

8. The intelligent electric fan control method based on X-band radar sensing according to claim 7 is characterized in that: When the controller detects that a human body enters the first activity range, the original gear position of the electric fan is increased again.

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