CN219695728U - Eye-controlled switch device - Google Patents

Abstract

The utility model provides an eye-controlled switching device, which comprises a driving circuit, a camera, a light supplementing light source, an image acquisition module, an image recognition module, a signal output module program, control software and a power supply, wherein the driving circuit is connected with the camera; the camera and the light supplementing light source are positioned in front of the shell of the eye-controlled switch device; the close-range camera is used for identifying the open and close states of the eyes in real time by utilizing an image identification technology, and can output control signals for starting or stopping the driving power supply of an electric appliance or an electronic device through a set program according to the duration time, the interval and the times of the control signals.

Description

Eye-controlled switch device

Technical Field

The utility model relates to the technical field of intelligent wearing of people, in particular to an eye-control switch device.

Background

The existing electrical or electronic products mostly need to be switched on and off by adopting various manual switches such as keys, knobs, deflector rods or touch and the like, and also have remote control switches or induction switches, along with the development of technology, a switch for identifying human body actions according to images is also provided, and a device capable of monitoring the rotation of eyeballs or pupils of people to control the movement and clicking of mouse arrows on a screen is provided, but the device is large in size, complex and expensive in structure, and needs to be far away from eyes and can not shade vision when being used in front of eyes of people, so that the device is not applicable to the existing portable and close-fitting wearable electronic equipment, such as a mask worn on the face and used for photon skin tendering, the inner layer is provided with a plurality of multicolor LED lamp beads, and in order to prevent strong rays from stabbing eyes, a special eyeshade or sunglasses are required to shade eyes, and thus the skin around the eyelid and the eyeorbit can not be irradiated, and the effect of photon tendering can not be achieved. If the eyeshade or the sunglasses are taken off, the eyes are required to be closed for use, so that a user cannot read books, newspaper and mobile phones to watch television, and cannot move, and the eyeshade or the sunglasses are very inconvenient.

At present, an eye control switch does not exist, the closing and opening of eyes of a person are monitored in a short distance, meanwhile, the sight is not obstructed, the light in the mask can be controlled at will, the light is on when the eyes are closed, the light is off when the eyes are opened, the eyes can be closed, the skin is protected, and the skin is tender while doing work, and the sight is not delayed. Particularly, under the condition of instantaneous strong light in many working occasions such as welding, light source testing and the like, the sunglasses or the protective masks are required to be frequently put on and taken off, so that the sunglasses or the protective masks are inconvenient to wear, and eyes are injured by the accidental electric shock source opening Guan Youhui. If the eyes are closed and the power is turned on, not only one hand is needed to be vacated, but also the eyes are dangerous. If an eye control switch is arranged, no hand motion is needed, and only the eyes are closed. Similar scenes are also patients and old people lying in bed, and patients who are injured or are not movable in operation can call doctors or nurses conveniently by needing an eye control switch, so that the requirements of monitoring the closing and opening of eyes through close distance and controlling the switch are met.

Disclosure of Invention

The utility model provides an eye-controlled switching device, which utilizes an image recognition technology to recognize the open and close states of eyes in real time by a camera at a short distance, and can output control signals for starting or stopping an electric or electronic device driving power supply through a set program according to the duration time, the interval and the times of the control signals.

In order to solve the problems, the utility model provides an eye-controlled switching device, which comprises a driving circuit, a camera, a light supplementing light source, an image acquisition module, an image recognition module, a signal output module program, control software and a power supply; the camera and the light supplementing light source are positioned in front of the shell of the eye-controlled switching device;

the driving circuit is connected with and drives the camera, the image acquisition module and the image recognition module, and meanwhile, the running of software and the signal output are maintained;

the image acquisition module is used for acquiring video images shot by the camera in real time;

the image recognition module recognizes the opening and closing states of eyes on the collected human eye images, and outputs opening signals or closing signals to control software in real time;

the control software outputs a program control signal for controlling the eye-controlled switch according to the opening or closing state of the eyes, the opening signal or the closing signal duration, interval and times.

Further, the eye-controlled switch device is fixedly arranged on the glasses frame or the mask and is positioned on the side face of the human eyes, and is 1 cm to 10cm away from the human eyes.

The front of the lens of the camera is provided with a narrow-band filter, and the bandpass wavelength of the narrow-band filter is the same as the Vcsel laser wavelength.

In a further scheme, the light supplementing light source is an infrared band laser Vcsel light source and is used for eye illumination.

Further, the infrared band laser Vcsel light source adopts the wavelength from 800 nm to 2000nm, and the light power is 0.1 mW to 50mW.

Further, the camera is a black-and-white image, the pixel number is 480x640, and the shooting rate is 25-240 frames/second.

The further scheme is that the power supply is a battery or is connected with an external stabilized voltage power supply for supplying power, and a switch device is further arranged on the battery.

The signal output is further connected through a wire, bluetooth or WiFi.

The beneficial effects of the utility model are as follows: the eye control switch device consists of a power supply, a driving circuit, a camera, a light supplementing light source, an image acquisition module, an image recognition module, program control software, a signal output module and the like, utilizes an image recognition technology to recognize the opening and closing states of eyes in real time by the camera at a short distance, can output control signals according to the duration time, the interval and the times of the opening and closing states, and is used for starting or stopping an electric appliance or electronic device driving power supply through a set program, and has the following advantages;

1. the continuous images are shot by the camera to identify open images and closed images of eyes in real time, control signals are output to an external electric appliance or electronic device eye control switch, the purpose of controlling the switch is achieved, high speed and instantaneity of image acquisition and identification are fully utilized, and extremely sensitive reflecting time is achieved;

2. the method of monitoring human eyes at the side at a short distance is adopted, the sight is not affected, and meanwhile, the eyes of the human are illuminated from the side by adopting the low-power divergent infrared Vcsel laser source, so that the eyes of the human are not hurt and are not felt by the eyes;

3. the device is arranged on the glasses frame or the mask when in use, and is positioned at the side, the upper side or the lower side which are a few centimeters away from the eyes, so that the open and close states of the eyes can be clearly and completely monitored, and the sight can not be blocked.

The eye-controlled switch device has the advantages of simplicity, convenience, small volume and low cost, and has wide application in a plurality of fields.

Drawings

FIG. 1 is a schematic diagram of an eye-controlled switching device according to the present utility model;

FIG. 2 is a schematic view of an eye-controlled switch apparatus according to the present utility model;

fig. 3 is a schematic diagram of an open-eye image and a closed-eye image of a person photographed from a camera perspective according to an embodiment of the present utility model;

fig. 4 is a schematic step diagram of an operating method of the eye-controlled switch device of the present utility model.

Reference numerals

1. A camera; 2. a light supplementing light source; 3. a signal; 4. a housing; 5. a power line; 6. a battery; 7. an eye-controlled switch; 8. spectacle frames or face masks; 9. a head; a. an eye-closing image; b. the eye image is opened.

Detailed Description

For a more complete understanding of the technical aspects of the present utility model, reference should be made to the following descriptions and illustrations of the technical aspects of the utility model, but not limited thereto, in conjunction with the accompanying drawings and the specific embodiments.

As shown in fig. 1 to 4, an embodiment of the present utility model provides an eye-controlled switching device and a working method, where the eye-controlled switching device includes a driving circuit, a camera 1, a light supplementing light source 2, an image acquisition module, an image recognition module, a signal output module program, control software and a power supply; the camera 1 and the light supplementing light source 2 are positioned in front of the shell 4 of the eye-controlled switching device;

the driving circuit is connected with the driving camera 1, the image acquisition module and the image recognition module, and meanwhile, the running of software and the output of a signal 3 are maintained;

the image acquisition module is used for acquiring video images shot by the camera 1 in real time;

the image recognition module recognizes the opening and closing states of eyes on the collected eye images, and outputs an opening signal 3 or a closing signal 3 to control software in real time;

the control software outputs a program control signal 3 for controlling the eye-controlled switch 7 according to the opening or closing state of the eyes, the duration, interval and number of times of the opening signal 3 or the closing signal 3.

Further, the eye-controlled switch device is fixedly arranged on the glasses frame or the mask 8 and is positioned on the side surface of the human eyes and is 1 cm to 10cm away from the human eyes.

Further, a 940nm narrow-band filter is arranged in front of the lens of the camera 1.

Further, the light supplementing light source 2 is an infrared band laser Vcsel light source, and is used for eye illumination.

Further, the infrared band laser Vcsel light source adopts a wavelength of 940nm and the optical power of 5mW.

Further, the camera 1 is a black-and-white image, the pixel number is 480x640, and the shooting rate is 30 frames/second.

Further, the power supply is a battery 6 or is connected with an external stabilized voltage power supply to supply power, and a switch device is further arranged on the battery 6.

Further, the output of signal 3 is connected by wire, bluetooth or WiFi.

Further, the working method of the eye-controlled switching device comprises the following steps:

s01, turning on a power supply of the eye-controlled switching device;

s02, when the device is used for the first time, acquiring a closed-eye image a and storing the closed-eye image a into an image recognition module;

s03, when a program starts to work, the camera 1 transmits images to the image acquisition module in real time;

s04, comparing the real-time image with a pre-stored closed-eye image a of the person by the image recognition module;

s05, when the image recognition module recognizes the human eye-closing image a, an eye-closing signal 3 is sent out;

s06, the image recognition module outputs an eye closing signal 3 to control software, and a program of the control software calculates whether the duration of eye closing exceeds 0.4 seconds;

s07, if the eyes of a person are closed for more than 0.4 seconds, outputting an opening signal 3 by a control software program, starting an LED lamp driving power supply, and flashing for 1 second;

s08, stopping the program when the flashing times of the LED lamp exceeds the set times by 100 times;

s09, when the flashing times of the LED lamp do not exceed the set times, delaying for 5 seconds, and outputting no opening signal 3 no matter whether eyes are closed or not in the time period;

and S10, after the time delay is 5 seconds, the program continues to continuously receive the identification result of the image identification module.

As shown in fig. 4, the working process of the whole device is described in detail by the working flow chart, in this example, when the human eye is closed, a switch is started, and a power on signal 3 is output to make the driving power pulse of an external group of LED lamps drive the LED lamps to work for 1 second. In order to avoid that the eyes are normally blinking and also driving the LED lamp, identification is given to the program of the device. According to medical and experimental measurements, the time for blinking of a person is about 0.3 to 0.4 seconds, wherein the time for complete closing is 0.15 to 0.2 seconds, for this purpose, the program sets the time for closing the person's eyes to exceed 0.4 seconds before outputting the opening signal 3, which avoids that the normal blinking time is too short, and the person is pierced by the strong light of the LED lamp when opening, that is to say, the person intentionally lengthens the time for closing the eyes when using, and the person opens after the LED lamp is flashed. The program sets that the eye control switch 7 can be driven by closing the eyes after waiting 5 seconds after each opening so as to avoid continuous flashing of the LED lamp, and the eyes of a user can not be opened. And simultaneously, the program records the flash times, and when the flash reaches the set times, the program stops working.

In this example, the eye-controlled switching device also carries a voice prompt informing the primary user of taking the closed-eye image and voice prompts before and after the flashing starts.

As shown in fig. 1, the whole eye-controlled switch device of this embodiment is a schematic structural diagram, and its structural composition is as follows:

1. the main part of the whole device is arranged in a shell 4, the shell 4 is made of plastic or metal material, and a battery 6 supplies power to the whole device from the outside;

2. the shell 4 comprises a driving circuit, an image acquisition module, an image recognition module, program control software and a signal output module;

3. the two openings on the front surface of the shell 4 are respectively provided with a camera 1 and an infrared band laser Vcsel light source, wherein the camera 1 is used for continuously shooting human eye images in real time, and the infrared band laser Vcsel light source is used for illuminating eyes;

4. the infrared band laser Vcsel light source adopts 940nm wavelength, the light power is 5mW, because the eye is irradiated on the side surface, the power is extremely low, the Vcsel light source is divergent, the light spot is round or square, the whole eye is covered, the light beam is not a direct light beam, the damage to the retina of the eye is avoided, and the eye is not felt by the human eye;

5. the camera 1 is a black-and-white image, the pixel number is 480x640, the shooting rate is 30 frames/second, and a high-speed camera 1 with 240 frames/second can be adopted as required;

6. the front of the lens of the camera 1 is provided with a 940nm narrow-band filter which is used for filtering the reflected light of the Vcsel rays on the eyes and simultaneously filtering the interference of the rays with other external wavelengths, so that the eye images can be stably and clearly shot no matter whether illumination exists in the daytime or at night;

7. the image acquisition module acquires real-time eye images, the image recognition module recognizes whether the eyes are open or closed, and the state parameters are input to the control program module;

8. the program control module connects the on or off signal 3 with the external electric or electronic device through the output wire according to the preset program to control the switch of the external electric or electronic device;

9. the external battery 6 supplies power to the whole device via a power cord 5.

As shown in fig. 2, the eye switch 7 is mounted on the glasses frame or the mask shell on the side of the eyes of the head 9 of the person, the battery 6 is mounted on the other side of the face, the mask shell or other positions, the whole device is powered by the wires pre-laid on the glasses frame or the mask, and the battery 6 is provided with the switch device.

As shown in fig. 3, the eye opening image b and the eye closing image a of the human eye taken from the view angle of the camera 1 are schematic views, and the human eye occupies a major part of the image due to the close-up photographing, so that the open/close state of the eyes can be clearly distinguished.

Further, another embodiment of the present utility model is specifically as follows:

1) Outputting an opening signal 3 when eyes are opened, and outputting a closing signal 3 when eyes are closed;

2) Continuously outputting an opening and closing signal 3 when the eyes are opened or closed for a long time, so that the eye control switch 7 works regularly in a pulse mode;

3) Monitoring the continuous and rapid blinking times of a user, such as three continuous and rapid blinking times, and outputting an opening signal 3 or a closing signal 3, so that the user can conveniently call medical staff or switch instruments or televisions and the like;

4) The battery 6 can adopt a rechargeable battery 6, and is provided with a charging circuit, a charging jack and a low-power display;

5) Other wavelengths, such as 850nm, 1040nm or 1440nm, can be selected for the infrared band laser Vcsel light source, and the same wavelength is adopted for the narrow-band pass filter on the camera 1 to match;

6) The camera 1 can be colored, and miniature and high-sensitivity are adopted as far as possible, so that the volume of the whole device is reduced, and the power of a required Vcsel laser source is reduced;

7) The signal 3 output mode is transmitted to external electric appliances and electronic devices through wires in various modes such as Bluetooth, wiFi and the like.

The beneficial effects of the utility model are as follows: the eye control switch device consists of a power supply, a driving circuit, a camera 1, a light supplementing light source 2, an image acquisition module, an image recognition module, program control software, a signal output module and the like, utilizes an image recognition technology to recognize the opening and closing states of eyes in real time by the camera 1 at a short distance, can output a control signal 3 through a set program according to the duration time, the interval and the times of the opening and closing states, and is used for starting or stopping an electric appliance or electronic device driving power supply, and has the following advantages;

1. the continuous images are shot by the camera 1 to identify the opening and closing of eyes in real time, and control signals are output to external electric appliances or electronic devices, so that the purpose of controlling a switch is achieved, the high speed and instantaneity of image acquisition and identification are fully utilized, and the time is extremely sensitively reflected;

2. the method of monitoring human eyes at the side at a short distance is adopted, the sight is not affected, and meanwhile, the eyes of the human are illuminated from the side by adopting the low-power divergent infrared Vcsel laser source, so that the eyes of the human are not hurt and are not felt by the eyes;

3. the device is placed on the side surface, the upper surface or the lower surface which is a few centimeters away from the eyes, so that the open and close states of the eyes can be clearly and completely monitored, and the sight can not be blocked.

The eye-controlled switch device and the working method thereof have the advantages of simplicity, convenience, small volume and low cost, and the eye-controlled switch 7 has wide application in a plurality of fields.

The foregoing description is only the preferred embodiments of the present patent, and is not intended to limit the scope of the present patent, and all equivalent structures or equivalent processes using the descriptions and the contents of the drawings are directly or indirectly applied to other related technical fields, which belong to the scope of the present patent.

Claims (8)

1. The eye control switch device is characterized by comprising a driving circuit, a camera, a light supplementing light source, an image acquisition module, an image recognition module, a signal output module program, control software and a power supply; the camera and the light supplementing light source are positioned in front of the shell of the eye-controlled switching device;

the driving circuit is connected with and drives the camera, the image acquisition module and the image recognition module, and meanwhile, the running of software and the signal output are maintained;

the image acquisition module is used for acquiring video images shot by the camera in real time;

the image recognition module recognizes the opening and closing states of eyes on the collected human eye images, and outputs opening signals or closing signals to control software in real time;

the control software outputs a program control signal for controlling the eye-controlled switch according to the opening or closing state of the eyes, the opening signal or the closing signal duration, interval and times.

2. The eye-controlled switching device according to claim 1, wherein the eye-controlled switching device is fixedly mounted on an eyeglass frame or a mask, located at the side of the human eye, 1-10 cm from the human eye.

3. The eye-controlled switching device according to claim 1, wherein a narrow-band filter is provided in front of the lens of the camera, and the bandpass wavelength of the narrow-band filter is the same as the Vcsel laser wavelength.

4. The eye-controlled switching device according to claim 1, wherein the light-compensating light source is an infrared band laser Vcsel light source, which is illuminated with the eye.

5. The eye-controlled switching device according to claim 4, wherein the infrared band laser Vcsel has a wavelength of 800-2000 nm and an optical power of 0.1-50 mW.

6. The eye-controlled switching device according to claim 1, wherein the camera is a black-and-white image, the number of pixels is 480x640, and the photographing rate is 25 to 240 frames/second.

7. The eye-controlled switching device according to claim 1, wherein the power supply is a battery, or is connected to an external voltage-stabilized power supply, and the battery is further provided with a switching device.

8. The eye-controlled switching device according to claim 1, wherein the output of the signal is connected by wire, bluetooth or WiFi.