Human body and object movement induction control fan
By integrating microwave radar sensors and infrared sensors in the fan, the movement sensing control of human bodies and objects is achieved, which solves the problems of inconvenience in use and waste of electricity in traditional fans, and realizes automated control and energy-saving effects.
Patent Information
- Application Number
- CN202421920097.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-04-30
- Filing Date
- 2024-08-08
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-08
AI Technical Summary
Traditional fans require manual switching and adjusting wind speed, which is not convenient to use and is prone to waste electricity due to long-term failure.
A human body and object movement sensing control fan is designed, and a microwave radar sensor and infrared sensor are used to detect whether there is someone or object in front of the fan. The main controller controls the motor to start or close according to the detection signal.
It realizes the function of automatically sensing the person leaving and closing and the person approaching to start, it is flexible and convenient to use, energy-saving and power-saving, and improves the practicality of the fan.
Smart Images

Figure CN223035296U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fans, in particular to a human body and object movement induction control fan. Background Art
[0002] Traditional fans usually require manual switching and speed adjustment, which is not convenient to use. Sometimes, the user leaves the working range of the fan for a long time but does not turn off the fan, resulting in waste of electric energy and resource waste. Therefore, it is necessary to develop an intelligent fan that can automatically sense when a person leaves and turn off, and start when a person approaches, to meet the flexible use requirements. The key to realizing this technology lies in the accuracy of the detected data. Summary of the Utility Model
[0003] In view of the above-mentioned defects existing in the prior art, the utility model provides a human body and object movement induction control fan, and the specific technical solutions are as follows:
[0004] A human body and object movement induction control fan includes a fan base, a fan head, a microwave radar sensor, an infrared sensor and a main controller. The fan head is installed above the fan base. A battery, a motor and a fan blade are installed inside the fan head. The battery provides electric energy, and the motor drives the fan blade to rotate. The microwave radar sensor is used to emit microwaves to detect whether there is a person or an object entering the microwave signal induction range in front of the fan. The infrared sensor is used to emit infrared rays to detect whether there is a person or an object entering the infrared signal induction range in front of the fan. The microwave radar sensor and the infrared sensor respectively send signals to the main controller, and the main controller controls the motor to start or stop.
[0005] As a preferred solution of the utility model, a PCBA board mounting shell is installed in front of the fan head. An installation groove is provided inside the PCBA board mounting shell, and the PCBA board is placed in the installation groove. The microwave radar sensor, the infrared sensor and the main controller are all integrated on the surface of the PCBA board.
[0006] As a preferred solution of the utility model, a PCBA fixing frame is clamped in front of the PCBA board mounting shell. Hooks are provided on the outer peripheral side of the PCBA fixing frame, and corresponding slots are provided inside the installation groove. The PCBA fixing frame limits the PCBA board, and the PCBA fixing frame is provided with a first through groove and a second through groove corresponding to the positions of the microwave radar sensor and the infrared sensor respectively.
[0007] As a preferred solution of the utility model, a touch panel is installed in front of the PCBA fixing frame. The touch panel is provided with a total power on / off touch button, a timing touch button, a wind speed increasing touch button, a wind speed decreasing touch button, and an induction start / stop touch button.
[0008] As a preferred solution of the utility model, the PCBA board mounting shell is located at the center position in front of the fan head.
[0009] As a preferred embodiment of the present utility model, a rotating bracket is fixedly installed behind the fan head, and a connecting column is hinged to the rear of the rotating bracket through a rotating shaft.
[0010] As a preferred embodiment of the present utility model, the lower end of the connecting column is provided with an external thread, and the connecting column is threadedly connected to the fan base through the external thread.
[0011] As a preferred embodiment of the present utility model, the lower end of the connecting column is provided with an external thread, the connecting column is threadedly connected to the support rod through the external thread, the lower end of the support rod is provided with an external thread, and the support rod is threadedly connected to the fan base through the external thread.
[0012] Beneficial effects: When the human body and object movement induction control fan of the present utility model is working, the microwave radar sensor is used to emit microwaves to detect whether there are people or objects in front of the fan entering the microwave signal induction range, and the infrared sensor is used to emit infrared rays to detect whether there are people or objects in front of the fan entering the infrared signal induction range. The microwave radar sensor and the infrared sensor are used for double detection, and the detection accuracy is good. The main controller controls the start or stop of the motor according to the detection signal, which is very flexible and convenient to use, has strong practicability, and saves energy and electricity. Description of the Drawings
[0013] Figure 1 is the three-dimensional view of the present utility model;
[0014] Figure 2 is the three-dimensional view of the fan head of the present utility model;
[0015] Figure 3 is the three-dimensional view of the cooperation of the PCBA board installation shell, the PCBA board, the PCBA fixing frame and the touch panel of the present utility model;
[0016] Figure 4 is the block schematic diagram of the present utility model;
[0017] Figure 5 is the three-dimensional view of the cooperation of the fan head, the rotating bracket and the connecting column of the present utility model. Detailed Embodiments
[0018] The following further describes the detailed embodiments of the present utility model with reference to the drawings:
[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0021] As Figures 1 to 4 shown, a human and object movement induction control fan includes a fan base 1, a fan head 2, a microwave radar sensor 3, an infrared sensor 4, and a main controller 5. The fan head 1 is installed above the fan base 1. A battery 6, a motor 7, and a fan blade 8 are installed inside the fan head 1. The battery 6 provides electrical energy, and the battery 6 is a rechargeable battery. The motor 7 drives the fan blade 8 to rotate. The microwave radar sensor 3 is used to emit microwaves to detect whether there is a person or an object in front of the fan entering the microwave signal sensing range. The infrared sensor 4 is used to emit infrared rays to detect whether there is a person or an object in front of the fan entering the infrared signal sensing range. The microwave radar sensor 3 and the infrared sensor 4 respectively send signals to the main controller 5, and the main controller 5 controls the motor 7 to start or stop. Here, the object refers to an animal.
[0022] Specifically, a PCBA board mounting shell 9 is installed in front of the fan head 2. The PCBA board mounting shell 9 is located at the center position in front of the fan head 2. The PCBA board mounting shell 9 can be fixedly installed at the front fan cover of the fan head 2 through screws or a clamping mechanism. An installation groove 10 is provided inside the PCBA board mounting shell 9. The PCBA board 11 is placed in the installation groove 10. The microwave radar sensor 3, the infrared sensor 4, and the main controller 5 are all integrated on the surface of the PCBA board 11. The main controller 5 is electrically connected to the motor 7.
[0023] Specifically, a PCBA fixing bracket 12 is snap-fitted in front of the PCBA board mounting case 9. Hooks 13 are provided on the outer peripheral side of the PCBA fixing bracket 12, and clamping grooves 14 corresponding to the hooks 13 are provided inside the mounting groove 10. When the PCBA fixing bracket 12 is mounted in front of the PCBA board mounting case 9, the front opening of the mounting groove 10 is blocked. The PCBA fixing bracket 12 positions the PCBA board 11. The PCBA fixing bracket 12 is provided with a first through groove 15 and a second through groove 16 corresponding to the positions of the microwave radar sensor 3 and the infrared sensor 4 respectively, that is, the first through groove 15 faces the microwave radar sensor 3, and the second through groove 16 faces the infrared sensor 4, so that the detection signal will not be blocked.
[0024] Specifically, a touch panel 17 is mounted in front of the PCBA fixing bracket 12. The touch panel 17 is provided with a total power on / off touch button, a timing touch button, a wind speed increasing touch button, a wind speed decreasing touch button, and an induction start / stop touch button.
[0025] As Figure 5 shown in the figure, a rotary bracket 18 is fixedly mounted behind the fan head 2. The rear of the rotary bracket 18 is hinged to a connecting column 20 through a rotating shaft 19, so that the fan head 2 can rotate around the rotating shaft 19 to adjust the angle.
[0026] As one of the embodiments, the lower end of the connecting column 20 is provided with an external thread, and the connecting column 20 is threadedly connected to the fan base 1 (the fan base 1 is provided with a corresponding internal thread) through the external thread. This structure has a relatively low overall height of the fan and is suitable for use on a desktop.
[0027] As one of the embodiments, the lower end of the connecting column 20 is provided with an external thread, and the connecting column 20 is threadedly connected to a support rod 21 (the support rod 21 is provided with a corresponding internal thread) through the external thread. The lower end of the support rod 21 is provided with an external thread, and the support rod 21 is threadedly connected to the fan base 1 (the fan base 1 is provided with a corresponding internal thread) through the external thread. This structure has a relatively high overall height of the fan and is suitable for floor use.
[0028] The above content is a further detailed description of the present invention in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope of the present invention.
Claims
1. A human body or object movement sensing control fan, comprising a fan base and a fan head, wherein the fan head is mounted above the fan base, and a battery, a motor and a fan blade are mounted inside the fan head, wherein the battery provides electric energy, and the motor drives the fan blade to rotate, and wherein: It also includes a microwave radar sensor, an infrared sensor and a main controller. The microwave radar sensor is used to emit microwaves to detect whether there is a person or object in front of the fan entering the microwave signal sensing range. The infrared sensor is used to emit infrared rays to detect whether there is a person or object in front of the fan entering the infrared signal sensing range. The microwave radar sensor and the infrared sensor respectively send signals to the main controller, and the main controller controls the motor to start or shut down.
2. A human body or object movement sensing control fan according to claim 1, characterized in that: A PCBA board mounting shell is installed in front of the fan head, a mounting slot is arranged inside the PCBA board mounting shell, the PCBA board is placed in the mounting slot, and the microwave radar sensor, infrared sensor and main controller are all integrated on the surface of the PCBA board.
3. A human body or object movement sensing control fan according to claim 2, characterized in that: A PCBA fixing frame is engaged in front of the PCBA board mounting shell, a hook is provided on the outer peripheral side of the PCBA fixing frame, a slot corresponding to the hook is provided inside the mounting groove, the PCBA fixing frame limits the PCBA board, and the PCBA fixing frame is provided with a first through slot and a second through slot corresponding to the positions of the microwave radar sensor and the infrared sensor respectively.
4. A human body or object movement sensing control fan according to claim 3, characterized in that: A touch panel is installed in front of the PCBA fixing frame. The touch panel is provided with a main power on / off touch button, a timing touch button, an increase wind speed touch button, a decrease wind speed touch button, and an induction start / stop touch button.
5. A human body or object movement sensing control fan according to any one of claims 2 to 4, characterized in that: The PCBA board mounting shell is located in the center in front of the fan header.
6. The human body or object movement sensing control fan according to claim 1, characterized in that: A rotating bracket is fixedly installed behind the fan head, and a connecting column is hingedly connected to the rear of the rotating bracket through a rotating shaft.
7. The human body or object movement sensing control fan according to claim 1, characterized in that: The lower end of the connecting column is provided with an external thread, and the connecting column is threadedly connected to the fan base through the external thread.
8. The human body or object movement sensing control fan according to claim 1, characterized in that: The lower end of the connecting column is provided with an external thread, and the connecting column is threadedly connected to the support rod through the external thread. The lower end of the support rod is provided with an external thread, and the support rod is threadedly connected to the fan base through the external thread.