CN215409292U - Electric fan and electronic device - Google Patents
Electric fan and electronic device Download PDFInfo
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- CN215409292U CN215409292U CN202120649293.1U CN202120649293U CN215409292U CN 215409292 U CN215409292 U CN 215409292U CN 202120649293 U CN202120649293 U CN 202120649293U CN 215409292 U CN215409292 U CN 215409292U
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- 230000001276 controlling effect Effects 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 3
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- 238000001931 thermography Methods 0.000 description 2
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Abstract
The application discloses electric fan, electronic equipment. The electric fan is provided with the face recognition module, image information collected by the camera can be subjected to face recognition, a first electric signal is output after a face is recognized, the main control board receives the first electric signal and outputs a first control signal, the steering assembly responds to the received first control signal to drive the fan assembly to steer, the air supply direction of the fan assembly can be controlled according to a face recognition result, and the effect of air supply of a following user is achieved.
Description
Technical Field
The application relates to the technical field, in particular to an electric fan and electronic equipment.
Background
The electric fan is an electric appliance which uses a motor to drive fan blades (fan blades) to rotate so as to accelerate the circulation of air, and is widely applied to places such as families, offices, shops, hospitals, hotels and the like.
The electric fan has two functions of swinging and fixing, wherein when the electric fan is started to be fixed, the wind receiving range is small, and the situation that wind cannot be blown easily occurs when a user moves. The electric fan can increase the wind receiving range by starting the swinging function, but when a user does not move, the electric fan can send wind to an area without the user, so that the problem that the wind receiving time of the user is not long is caused.
Disclosure of Invention
In view of this, the present application provides an electric fan and an electronic device, so as to solve the problem that the existing electric fan cannot perform face recognition.
The application provides an electric fan includes: the device comprises a base, a steering assembly, a fan assembly, at least one camera, a face recognition module, a timer and a main control board;
the steering assembly is fixedly arranged on the base; the fan assembly is arranged on the steering assembly; the camera is arranged on the fan assembly; the face recognition module is connected with the camera; the timer is connected with the face recognition module; the main control board is respectively connected with the face recognition module and the timer; the steering assembly is connected with the main control board; the fan assembly is connected with the main control board;
the camera is used for collecting image information in a sensing range and outputting an image; the face recognition module is used for recognizing a face in the image, continuously outputting a first electric signal after the face is recognized, and outputting a second electric signal when the face is not recognized; the timer is used for starting timing when responding to the second electric signal and continuously outputting a high-level signal within a preset timing time; the main control board is used for responding to the first electric signal to output a first control signal and responding to the high-level signal to output a second control signal; the steering assembly is used for responding to the first control signal to drive the fan assembly to integrally rotate relative to the base; the fan assembly is used for responding to the second control signal to start air supply.
In one embodiment, the face recognition module includes: a face recognition chip and a memory; the memory is connected with the camera; the face recognition chip is respectively connected with the memory, the timer and the main control board;
the memory is used for storing image information; the face recognition chip is used for acquiring an image, recognizing a face in the image, continuously outputting a first electric signal after the face is recognized, and outputting a second electric signal when the face is not recognized.
In one embodiment, the steering assembly comprises a steering motor and a power supply; the steering motor is fixed on the base, and a rotating shaft of the steering motor is connected with the fan assembly; the power supply is arranged in the base and is connected with the steering motor; the steering motor is connected with the main control board.
In one embodiment, the fan assembly includes: the fan comprises a fan head frame, fan blades and a fan blade motor; the fan head frame is fixedly connected with a rotating shaft of the steering motor, the fan blade motor is fixedly arranged in the fan head frame, the fan blades are fixed on the rotating shaft of the fan blade motor, and the fan blade motor is connected with the main control board.
In one embodiment, the electric fan further comprises a temperature detector, wherein the temperature detector is connected with the main control board;
the temperature detector is used for detecting the ambient temperature and outputting a temperature signal; the main control board is also used for responding to the temperature signal and outputting a signal for controlling the rotating speed of the fan blade motor.
In one embodiment, the main control board is further connected with the plurality of cameras, and the main control board is further configured to control the cameras to be turned on and off.
In one embodiment, in the plurality of cameras, the lenses of some cameras face the direction opposite to the preset wind direction of the electric fan.
In one embodiment, the camera includes: infrared cameras or color image cameras.
In one embodiment, at least one camera is arranged on the base.
There is provided an electronic device comprising an electric fan as described above.
In the above-mentioned electric fan of this application, can gather image information to the camera through face identification module and carry out face identification, main control board output first control signal after discerning the people face, turn to the first control signal drive fan unit that the subassembly response was received and turn to, can realize controlling fan unit's air supply direction according to the face identification result, reach the effect of following the user air supply. Moreover, the timer is connected between the face recognition chip and the fan assembly, so that the fan assembly can continuously supply air within a period of preset time when the face is not recognized, and the problem that the fan assembly stops supplying air due to short-time error in the face recognition process is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic assembled electrical fan according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a base, a steering assembly and a fan assembly of an electric fan according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of an electric fan according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating a connection relationship between a temperature detector of an electric fan, a main control board, and a fan assembly according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The following embodiments and their technical features may be combined with each other without conflict.
Referring to fig. 1-3, an electric fan provided by the present application includes: the system comprises a base 10, a steering assembly 20, a fan assembly 30, at least one camera 40, a face recognition module 50, a timer 60 and a main control board 70;
the steering assembly 20 is fixedly arranged on the base 10; the fan assembly 30 is disposed on the steering assembly 20; the camera 40 is disposed on the fan assembly 30; the face recognition module 50 is connected with the camera 40; the timer 60 is connected with the face recognition module 50; the main control board 70 is respectively connected with the face recognition module 50 and the timer 60; the steering assembly 20 is connected with the main control board 70; the fan assembly 30 is connected with the main control board 70;
the camera 40 is used for collecting image information in a sensing range and outputting the image information; the face recognition module 50 is configured to recognize a face in an image, continuously output a first electrical signal after the face is recognized, and output a second electrical signal when the face is not recognized; the timer 60 is used for starting timing in response to receiving the second electric signal and continuing to output a high-level signal within a preset timing time; the main control board 70 is configured to output a first control signal in response to the first electrical signal and output a second control signal in response to the high-level signal; the steering assembly 20 is used for driving the fan assembly 30 to rotate integrally relative to the base 10 in response to a first control signal; the fan assembly 30 is used for starting air supply in response to the second control signal.
In the electric fan of the embodiment, the face recognition module 50 performs face recognition on image information collected by the camera 40, and outputs a first electric signal after recognizing a face, the main control board 70 outputs a first control signal after receiving the first electric signal, and the steering assembly 20 drives the fan assembly 30 to steer according to the received first control signal, so that the face recognition can be performed, the air supply direction of the fan assembly 30 can be controlled according to a face recognition result, and the effect that the electric fan supplies air along with a user is achieved. Moreover, the timer 60 is connected between the face recognition chip 52 and the fan assembly 30, so that the fan assembly 30 can continue to supply air for a period of time when a face is not recognized, and the problem that the fan assembly 30 stops supplying air due to short errors in the face recognition process is avoided.
The first electrical signal and the second electrical signal can be high-level signals, but the voltages are different.
In the electric fan, the base 10 is used for supporting the steering assembly 20 and the fan assembly 30 and protecting the electronic components arranged in the base 10. Optionally, the base 10 is provided with a plurality of air supply mode buttons or knobs, for example, a follow air supply mode button, a constant speed steering mode button, a steering angle setting knob, a wind speed setting knob, etc., which are connected to the main control board 70 to control parameters of the main control board 70, such as an air supply mode of the electric fan.
The steering assembly 20 controls the fan assembly 30 to steer, and mainly provides power for steering of the fan assembly 30 through the motor. In one embodiment, the steering assembly 20 includes a steering motor, a power source; the steering motor is fixed on the base 10, and a rotating shaft of the steering motor is connected with the fan assembly 30; the power supply is arranged in the base 10 and is connected with the steering motor; the steering motor is connected to the main control board 70.
In the steering assembly 20 of the present embodiment, the power supply provides power to the motor, and the motor drives the fan assembly 30 to rotate around the rotating shaft according to the first control signal of the main control board 70. When the electric fan is placed on the horizontal plane, the rotating shaft of the motor faces upwards and is fixedly connected with the fan assembly 30 above, so that the fan assembly 30 rotates left and right. Different from the formula of shaking the head of the steering wheel of traditional electric fan and turning to, this embodiment turns to subassembly 20 and can realize 360 and turn to realize 360 following formula air supplies.
The fan assembly 30 is an assembly for accelerating air circulation in an electric fan by driving blades of the electric fan to rotate by a motor. The fan assembly 30 is connected to the main control board 70, and starts the blowing in response to a second control signal from the main control board 70. In one embodiment, the fan assembly 30 includes: the fan comprises a fan head frame, fan blades and a fan blade motor; the fan head frame is fixedly connected with a rotating shaft of the steering motor, the fan blade motor is fixedly arranged in the fan head frame, the fan blades are fixed on the rotating shaft of the fan blade motor, the fan blade motor is connected with the main control board 70, and the fan blade motor rotates when responding to a second control signal received from the main control board 70.
In this embodiment, the fan head frame is used for protecting the internal fan blades and preventing a user from being damaged by the rotating fan blades. The fan head frame is generally a metal mesh frame, which facilitates airflow through the gaps between the mesh frames. The fan blade is fixedly connected with a rotating shaft of a fan blade motor, and the fan blade motor drives the fan blade to rotate so as to accelerate the air circulation. Generally, when the electric fan is horizontally arranged, a rotating shaft of a fan blade motor is horizontally arranged, so that horizontal air supply can be realized. Further, the fan motor is connected with the main control board 70, that is, the fan motor is controlled to rotate by the main control board 70, so as to achieve the effect of controlling the wind speed. Specifically, the main control board 70 is provided with a first voltage regulating circuit, which changes the voltage of the fan blade motor to achieve the effect of controlling the wind speed.
In the electric fan, one or more cameras 40 are arranged on the fan assembly 30, and the cameras 40 can acquire image information within a sensing range and transmit the image information to the face recognition module 50. Camera 40 sets up on fan unit 30, can follow fan unit 30 and rotate to the direction that turns to of fan unit 30 is followed to the camera lens direction that makes camera 40, and then realizes following the effect that the user removed and supply air.
The plurality of cameras 40 are oriented differently, so that the effect of acquiring images of different areas is achieved. In one embodiment, the lenses of some of the cameras 40 in the plurality of cameras 40 face the opposite direction to the preset wind direction of the electric fan. That is, the camera 40 can obtain an image in a direction opposite to the preset wind direction of the electric fan, or the camera 40 can obtain an image behind the fan assembly 30, so as to perform face recognition on the image in the area behind the fan assembly 30, and when it is recognized that a user appears behind the fan assembly 30, the fan assembly 30 can be rotated to aim at the user. It can be seen that the different facing directions of the plurality of cameras 40 can be a greater area of face recognition, which can be an electric fan.
In one embodiment, the camera 40 includes: an infrared camera 40 or a color image camera 40. The infrared camera 40 can acquire a thermal imaging image, the color image camera 40 can acquire a face color image, and the accuracy of face recognition can be improved by combining and analyzing the thermal imaging image and the face color image.
Since the shooting area of the camera 40 on the fan assembly 30 is not fixed, it may sometimes happen that the fan assembly 30 turns to the area shot by the camera 40, which is an area where the user rarely appears, resulting in failure to efficiently detect the presence of the user. In one embodiment, at least one camera 40 is disposed on the base 10. The camera 40 provided on the base 10 does not rotate with the fan assembly 30, and can be an image of a fixed area. Generally, the camera 40 on the base 10 can be aligned with the area where the user often appears, such as the position of the inlet/outlet, and when the user appears in the fixed area where the camera 40 is aligned, the fan assembly 30 can be rotated in time to achieve the effect of following the air supply.
The face recognition module 50 is configured to perform face recognition on the image acquired by the camera 40, and output a first electrical signal when a face is recognized, and output a second electrical signal when a face is not recognized. The face recognition module 50 is mainly implemented by a face recognition chip 52. In one embodiment, the face recognition module 50 includes: a face recognition chip 52 and a memory 51; the memory 51 is connected with the camera 40; the face recognition chip 52 is respectively connected with the memory 51, the timer 60 and the main control board 70; the memory 51 is used for storing image information; the face recognition chip 52 is configured to acquire an image and perform face recognition, and output a first electrical signal when a face is recognized, and output a second electrical signal when a face is not recognized.
The face recognition chip 52 can perform face recognition on the image information according to the existing face recognition algorithm, and output a first electrical signal when a face is recognized. The first electrical signal includes an electrical signal of position information of a human face in the image, and the main control board 70 drives the steering assembly 20 according to the position information, so that the fan assembly 30 is aligned with the user. The memory 51 can store all the images acquired by the cameras 40, and the face recognition chip 52 can acquire data shot by one or more target cameras 40 from the memory 51.
The timer 60 can start timing in response to the second electrical signal and continue to output the high level signal for a preset time; and outputting a low level signal when the timing reaches the preset time. The main control board 70 outputs a second control signal in response to the high level signal, and controls the fan assembly 30 to supply air. Specifically, the timer 60 is connected to a main control board 70, and the main control board 70 is connected to a blade motor in the fan assembly 30. By connecting the timer 60 between the face recognition chip 52 and the main control board 70, when a face is not recognized, the main control board 70 can continuously output the second control signal for a period of time, so that the fan assembly 30 can continuously supply air within a period of time, and the problem that the fan assembly 30 stops supplying air due to errors in the face recognition process is solved. For example, when the face of the user is temporarily blocked by an object (such as a book), the fan assembly 30 can still continue to supply air, so as to avoid the problem that the fan assembly 30 stops supplying air.
The main control board 70 can output a first control signal including a rotation angle and a rotation direction of the fan assembly 30 in response to the first electrical signal. The fan assembly 30 turns in response to the first control signal, thereby achieving the effect of following the air supply. In addition, the first control signal output by the main control board 70 further includes a steering speed signal, which can be realized by a second voltage regulating circuit arranged on the main control board 70, that is, the second voltage regulating circuit outputs different voltage values to control the steering speed of the fan assembly 30. The main control board 70 is further capable of outputting a second control signal in response to the high level signal, and controlling the fan assembly 30 to supply air in response to the second control signal.
In one embodiment, the electric fan further comprises a temperature detector 80, wherein the temperature detector 80 is connected with the main control board 70; the temperature detector 80 is used for detecting the ambient temperature and outputting a temperature signal; the main control board 70 is also used for responding the temperature signal and outputting a signal for controlling the rotating speed of the fan blade motor.
In this embodiment, the temperature detector 80 can detect the ambient temperature and transmit the output temperature signal to the main control board 70, and the main control board 70 outputs a corresponding signal for controlling the rotational speed of the fan blade motor according to the corresponding relationship between the temperature signal and the rotational speed, thereby achieving the effect of adjusting the rotational speed of the fan blade motor according to the ambient temperature.
In one embodiment, the main control board 70 is further connected to a plurality of cameras 40, and the main control board 70 is further configured to control the cameras 40 to be turned on and off. The effect of reducing energy consumption is achieved by turning on and off the plurality of cameras 40, for example, when a face is recognized in an image shot by one of the cameras 40, the other cameras 40 can be turned off, and unnecessary power consumption is avoided.
In one embodiment, the camera 40 has a first end and a second end, the memory 51 has a first end and a second end, the face recognition chip 52 has a first end, a second end and a third end, the timer 60 has a first end and a second end, the main control board 70 has a first end, a second end, a third end, a fourth end and a fifth end, the steering assembly 20 has a first end, and the fan assembly 30 has a first end, wherein the camera 40 has a first end connected to the first end of the memory 51, the second end of the memory 51 connected to the first end of the face recognition chip 52, the second end of the face recognition chip 52 connected to the first end of the timer 60 and the first end of the main control board 70, the second end of the timer 60 connected to the second end of the main control board 70, and the third end, the fourth end and the fifth end of the main control board 70 respectively connected to the first end of the steering assembly 20 and the first end of the fan assembly 30, A second end of the camera 40 is connected.
The application also provides an electronic device comprising the electric fan. The electronic equipment can be an automobile, and particularly, the electric fan is installed on the roof inside the automobile, so that the effect of supplying air to people inside the automobile along with the automobile is achieved.
Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.
Claims (10)
1. An electric fan, comprising: the device comprises a base, a steering assembly, a fan assembly, at least one camera, a face recognition module, a timer and a main control board;
the steering assembly is fixedly arranged on the base; the fan assembly is arranged on the steering assembly; the camera is arranged on the fan assembly; the face recognition module is connected with the camera; the timer is connected with the face recognition module; the main control board is respectively connected with the face recognition module and the timer; the steering assembly is connected with the main control board; the fan assembly is connected with the main control board;
the camera is used for collecting image information in a sensing range and outputting an image; the face recognition module is used for recognizing a face in the image, continuously outputting a first electric signal after the face is recognized, and outputting a second electric signal when the face is not recognized; the timer is used for starting timing when responding to the second electric signal and outputting a high-level signal within a preset timing time; the main control board is used for responding to the first electric signal to output a first control signal and responding to the high-level signal to output a second control signal; the steering assembly is used for responding to the first control signal to drive the fan assembly to integrally rotate relative to the base; the fan assembly is used for responding to the second control signal to start air supply.
2. The electric fan of claim 1, wherein the face recognition module comprises: a face recognition chip and a memory; the memory is connected with the camera; the face recognition chip is respectively connected with the memory, the timer and the main control board;
the memory is used for storing image information; the face recognition chip is used for acquiring an image, recognizing a face in the image, continuously outputting a first electric signal after the face is recognized, and outputting a second electric signal when the face is not recognized.
3. The electric fan of claim 1, wherein the steering assembly comprises a steering motor, a power source; the steering motor is fixed on the base, and a rotating shaft of the steering motor is connected with the fan assembly; the power supply is arranged in the base and is connected with the steering motor; the steering motor is connected with the main control board.
4. The electric fan of claim 1, wherein the fan assembly comprises: the fan comprises a fan head frame, fan blades and a fan blade motor; the fan head frame is fixedly connected with a rotating shaft of the steering motor, the fan blade motor is fixedly arranged in the fan head frame, the fan blades are fixed on the rotating shaft of the fan blade motor, and the fan blade motor is connected with the main control board.
5. The electric fan according to claim 1, further comprising a temperature detector connected to the main control board;
the temperature detector is used for detecting the ambient temperature and outputting a temperature signal; the main control board is also used for responding to the temperature signal and outputting a signal for controlling the rotating speed of the fan blade motor.
6. The electric fan as claimed in claim 1, wherein the main control board is further connected to a plurality of cameras, and the main control board is further configured to control the cameras to be turned on and off in response to a first electric signal.
7. The electric fan as claimed in claim 1, wherein the plurality of cameras have their lenses directed opposite to a preset wind direction of the electric fan.
8. The electric fan as claimed in claim 1, wherein the camera comprises: infrared cameras or color image cameras.
9. The electric fan as claimed in claim 1, wherein at least one camera is provided on the base.
10. An electronic device comprising an electric fan as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649293.1U CN215409292U (en) | 2021-03-30 | 2021-03-30 | Electric fan and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649293.1U CN215409292U (en) | 2021-03-30 | 2021-03-30 | Electric fan and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409292U true CN215409292U (en) | 2022-01-04 |
Family
ID=79669763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120649293.1U Expired - Fee Related CN215409292U (en) | 2021-03-30 | 2021-03-30 | Electric fan and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409292U (en) |
-
2021
- 2021-03-30 CN CN202120649293.1U patent/CN215409292U/en not_active Expired - Fee Related
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Granted publication date: 20220104 |