CN211653843U - Eyesight protection device and wearable equipment - Google Patents
Eyesight protection device and wearable equipment Download PDFInfo
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- CN211653843U CN211653843U CN202020258180.4U CN202020258180U CN211653843U CN 211653843 U CN211653843 U CN 211653843U CN 202020258180 U CN202020258180 U CN 202020258180U CN 211653843 U CN211653843 U CN 211653843U
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Abstract
The application belongs to the technical field of intelligent equipment, and provides a vision protection device and wearable equipment, wherein a distance detection signal is generated by detecting the distance between eyes of a user and an observed object through a distance measurement circuit; a posture detection circuit detects an observation posture of a user to generate a posture detection signal; the light brightness detection circuit detects the brightness of the ambient light to generate a brightness detection signal; the control circuit generates a data audio signal, a voice clock signal, a voice wake-up signal and a vibration signal according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal; the vibration circuit carries out vibration reminding according to the vibration signal; the voice prompt circuit plays voice according to the data audio signal, the voice clock signal and the voice wake-up signal; therefore, the short-distance eyesight improving device can remind the user of bad sitting posture, bad reading distance, long-time reading and other behaviors in time, the purposes of preventing myopia and improving eyesight are achieved, and the practicability and the reliability are high.
Description
Technical Field
The application belongs to the technical field of intelligent equipment, especially, relate to a vision protection device and wearable equipment.
Background
At present, with the increasing of the academic industry of primary and secondary school students and the popularization of the application of electronic products, the incidence rate of myopia in young students is increased year by year and tends to be more and more low-aged, statistics shows that the incidence rate of myopia in primary school stages is basically kept between 19% and 40%, the incidence rate of myopia in middle school students is basically kept between 50% and 60%, and the incidence rate of myopia in senior high school students can reach 70%, so that the problem is very serious. Because myopia affects vision, when the degree of myopia exceeds 600 degrees, various complications of the fundus oculi can be brought, and even the serious people can cause blindness. Moreover, most of the myopes belong to acquired myopia, and the myopia of children is caused by a plurality of reasons, such as long-time watching of electronic products, impaired vision of children caused by the influence of electronic screens of the electronic products and electronic equipment emitting high-energy photons continuously, and the occurrence of myopia; or when reading or writing, the user has poor sitting posture and is in short distance with the book, so that the user feels tired and short sighted; or the light of the electronic product is not used correctly, for example, the light is too dazzling, or the user stares at the electronic screen for a long time, so that the vision is easily damaged, the myopia is caused and aggravated, and therefore, how to effectively prevent the myopia and protect the vision is a problem which needs to be solved urgently. However, the current eyesight protection devices lack effective monitoring of the length of time spent on eyes, and cannot effectively protect and improve eyesight.
Therefore, the traditional technical scheme has the problems that the effective monitoring on the eye use duration is lacked, and the eyesight cannot be well and effectively protected and improved.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a vision protection device and wearable equipment, aims at solving the lack of traditional vision protection equipment existence and to the effective control long when using the eye, can not good effectual protection and improve the problem of eyesight.
A first aspect of an embodiment of the present application provides a vision protection apparatus, comprising:
a ranging circuit configured to detect a distance between an eye of a user and an observed object to generate a distance detection signal;
a gesture detection circuit configured to detect an observed gesture of a user to generate a gesture detection signal;
a lamp brightness detection circuit configured to detect an ambient lamp brightness to generate a brightness detection signal;
a control circuit, respectively connected to the distance measuring circuit, the gesture detection circuit, and the light brightness detection circuit, configured to receive the distance detection signal, the gesture detection signal, and the brightness detection signal, and generate a data audio signal, a voice clock signal, a voice wake-up signal, and a vibration signal according to at least one of the distance detection signal, the gesture detection signal, and the brightness detection signal;
the vibration circuit is connected with the control circuit and is configured to perform vibration reminding according to the vibration signal;
and the voice prompt circuit is connected with the control circuit and is configured to perform voice playing prompt according to the data audio signal, the voice clock signal and the voice wake-up signal.
In one embodiment, the vision protection device further comprises:
the touch control assembly is configured to generate a volume adjustment trigger signal according to user input;
the control circuit is further configured to generate a volume adjustment signal according to the volume adjustment trigger signal; the voice prompt circuit is also configured to adjust the volume of voice playing according to the volume adjusting signal.
In one embodiment, the control circuit is further configured to generate a buzzer warning signal according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal; the vision protection device further comprises:
and the alarm circuit is connected with the control circuit and is configured to give a buzzing prompt according to the buzzing alarm signal.
In one embodiment, the control circuit is further configured to generate a communication control signal according to at least one of the distance detection signal, the posture detection signal, and the brightness detection signal;
the vision protection device further comprises:
the communication control circuit is connected with the control circuit and is configured to generate a positioning signal and a first communication signal according to the communication control signal;
and the communication circuit is connected with the communication control circuit and is configured to generate a wireless communication signal according to the positioning signal and the first communication signal so as to communicate with a host end.
In one embodiment, the vision protection device further comprises:
the electric quantity detection circuit is connected with the control circuit and is configured to detect the electric quantity of the battery power supply so as to generate an electric quantity detection signal;
the control circuit is further configured to generate the data audio signal, the voice clock signal, the voice wake-up signal, and the vibration signal according to the electric quantity detection signal.
In one embodiment, the lamp brightness detection circuit includes one of a photodiode, a phototransistor, and a photoresistor.
In one embodiment, the ranging circuit comprises: the device comprises a distance measuring sensor, a first resistor, a second resistor, a third resistor, a fourth resistor and a first capacitor;
the first end of the first resistor, the first end of the second resistor, the first end of the third resistor, the first end of the fourth resistor, the analog power supply end of the distance measuring sensor, the main power supply end of the distance measuring sensor and the first end of the first capacitor are connected with a first working direct current, the data end of the distance measuring sensor is connected with the second end of the first resistor, the clock end of the distance measuring sensor is connected with the second end of the second resistor, the switch control end of the distance measuring sensor is connected with the second end of the third resistor, the first data input and output end of the distance measuring sensor is connected with the second end of the fourth resistor, and the grounding end of the distance measuring sensor, the analog power supply ground end of the distance measuring sensor and the second end of the first capacitor are connected with a power ground;
and the data end of the ranging sensor and the clock end of the ranging sensor are connected to the control circuit in common.
In one embodiment, the gesture detection circuit comprises: the device comprises an inertial measurement sensor, a fifth resistor, a sixth resistor, a seventh resistor, a second capacitor and a third capacitor;
the first end of the fifth resistor, the first end of the sixth resistor, the power supply end of the inertial measurement sensor and the digital input/output power supply end of the inertial measurement sensor are connected with a first working direct current, the second end of the fifth resistor is connected with the data end of the inertial measurement sensor, the second end of the sixth resistor is connected with the clock end of the inertial measurement sensor, the charge pump capacitance end of the inertial measurement sensor is connected with the first end of the second capacitor, the second end of the second capacitor is connected with the grounding end of the inertial measurement sensor, the memory address end of the inertial measurement sensor is connected with the first end of the seventh resistor, the calibration capacitor end of the inertial measurement sensor is connected with the first end of the third capacitor, the synchronous digital input end of the inertial measurement sensor, the second end of the third capacitor and the second end of the seventh resistor are connected with a power ground;
and the data end of the inertial measurement sensor and the clock end of the inertial measurement sensor are connected to the control circuit in common.
In one embodiment, the control circuit comprises: the single chip microcomputer, a fifth capacitor, a sixth capacitor and a ninth resistor;
the sampling power supply end of the single chip microcomputer is connected with a reference power supply end of the single chip microcomputer, the first end of the ninth resistor and the first end of the fifth capacitor, the power supply end of the single chip microcomputer is connected with the second end of the ninth resistor and the first end of the sixth capacitor, and the second end of the fifth capacitor and the second end of the sixth capacitor are connected with the power supply ground;
the first data input and output end of the single chip microcomputer and the second data input and output end of the single chip microcomputer are connected to the ranging circuit in a sharing mode; the third data input and output end of the single chip microcomputer and the fourth data input and output end of the single chip microcomputer are connected to the posture detection circuit in a shared mode; a fifth data input and output end of the single chip microcomputer and a sixth data input and output end of the single chip microcomputer are connected to the lamplight brightness detection circuit in a shared mode; a seventh data input/output end of the singlechip is connected with the vibration circuit; an eighth data input/output end of the single chip microcomputer is connected with the alarm circuit; a ninth data input and output end of the single chip microcomputer, a tenth data input and output end of the single chip microcomputer, an eleventh data input and output end of the single chip microcomputer, a twelfth data input and output end of the single chip microcomputer, a thirteenth data input and output end of the single chip microcomputer and a fourteenth data input and output end of the single chip microcomputer are connected to the voice prompt circuit in a common mode; a fifteenth data input and output end of the single chip microcomputer and a sixteenth data input and output end of the single chip microcomputer are connected to the communication control circuit in a sharing mode; the seventeenth data input/output end of the single chip microcomputer is connected with the electric quantity detection circuit; and an eighteenth data input and output end of the singlechip is connected with the touch control assembly.
A second aspect of embodiments of the present application provides a wearable device comprising a vision protection apparatus as claimed in any of the preceding claims.
The vision protection device and the wearable device of the embodiment of the utility model detect the distance from the eyes of the user to the observed object through the distance measuring circuit to generate the distance detection signal; a gesture detection circuit detects an observed gesture of a user to generate a gesture detection signal; the light brightness detection circuit detects the brightness of the ambient light to generate a brightness detection signal; the control circuit receives the distance detection signal, the posture detection signal and the brightness detection signal and generates a data audio signal, a voice clock signal, a voice wake-up signal and a vibration signal according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal; the vibration circuit carries out vibration reminding according to the vibration signal; the voice prompt circuit plays voice according to the data audio signal, the voice clock signal and the voice wake-up signal; the distance between the eyes of the user and the observed object, the posture of the user, the ambient light brightness and the reading time under the fixed posture are detected in real time, so that the user is reminded and prompted by vibration through timely voice broadcasting, the distance, the sitting posture and the time for the user to adjust to read or read the electronic screen in time, the ambient light brightness is adjusted to the proper illumination brightness range, the purposes of preventing myopia and improving eyesight are achieved, and the practicability and the reliability of the eyesight protection device are improved.
Drawings
Fig. 1 is a schematic structural diagram of a vision protection apparatus provided in an embodiment of the present application;
fig. 2 is another schematic structural diagram of a vision protection apparatus provided in the embodiment of the present application;
fig. 3 is another schematic structural diagram of a vision protection apparatus provided in the embodiment of the present application;
fig. 4 is another schematic structural diagram of a vision protection apparatus provided in the embodiment of the present application;
fig. 5 is another schematic structural diagram of a vision protection apparatus provided in the embodiments of the present application;
fig. 6 is a schematic view of another embodiment of a vision protection apparatus according to the present disclosure;
FIG. 7 is a schematic diagram of an exemplary circuit for the vision protection apparatus shown in FIG. 1;
fig. 8 is a schematic circuit diagram of an exemplary voice prompt circuit in the vision protection apparatus shown in fig. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Fig. 1 shows a schematic structural diagram of a vision protection device provided in an embodiment of the present application (fig. 1 shows a first embodiment of the present application), and for convenience of description, only parts related to the present embodiment are shown, and detailed descriptions are as follows:
a vision protection device comprising: a distance measuring circuit 12, a posture detecting circuit 13, a lamp brightness detecting circuit 14, a control circuit 15, a vibration circuit 16 and a voice prompt circuit 17.
A ranging circuit 12 configured to detect a distance from an eye of a user to an observed object to generate a distance detection signal; a posture detection circuit 13 configured to detect an observation posture of a user to generate a posture detection signal; a lamp brightness detection circuit 14 configured to detect an ambient lamp brightness to generate a brightness detection signal; a control circuit 15, which is respectively connected to the distance measuring circuit 12, the posture detecting circuit 13 and the lamp brightness detecting circuit 14, and configured to receive the distance detecting signal, the posture detecting signal and the brightness detecting signal, and generate a data audio signal, a voice clock signal, a voice wake-up signal and a vibration signal according to at least one of the distance detecting signal, the posture detecting signal and the brightness detecting signal; the vibration circuit 16 is connected with the control circuit 15 and is configured to perform vibration reminding according to the vibration signal; and the voice prompt circuit 17 is connected with the control circuit 15 and configured to perform voice playing reminding according to the data audio signal, the voice clock signal and the voice wake-up signal.
In the present embodiment, the control circuit 15 collects the distance detection signal from the distance detection circuit 12, receives the posture detection signal from the posture detection circuit 13, and receives the brightness detection signal from the light brightness detection circuit 14, and the distance between the eyes of the user and the observed object (e.g. the electronic screen of the book or the electronic device) obtained from the distance detection signal exceeds a distance pre-threshold and/or the observed posture of the user (e.g. the angle between the head and the observed object) obtained from the posture detection signal exceeds a pre-set posture threshold and/or the light brightness obtained from the brightness detection signal exceeds a pre-set light brightness threshold to generate a data audio signal, a voice clock signal, a voice wake-up signal, and a vibration signal, the voice prompt circuit 17 performs voice broadcast based on the data audio signal, the voice clock signal, and the voice wake-up signal, thereby remind the user in time to adjust reading distance, position of sitting and light brightness, avoid causing the eyesight to harm. In specific implementation, the control circuit 15 can pre-store the alarm prompt voice segments corresponding to various bad sitting postures, bad reading distances, bad reading times and improper lamplight brightness, so that the control circuit 15 can control the voice prompt circuit 17 to broadcast the corresponding alarm prompt voice segments according to at least one of the distance detection signals, the posture detection signals and the brightness detection signals, and the purpose of voice alarm prompt is achieved. Meanwhile, the timer of the control circuit 15 obtains the reading time of the user in one posture according to the distance detection signal and the posture detection signal, and when the reading time is greater than a preset time threshold value, the control circuit 15 controls the voice prompt circuit 17 to perform voice broadcast to remind the user to relax properly, so that the eyes rest to improve eyesight and protect eyesight.
Referring to fig. 2, in one embodiment, the vision protecting device further includes: a touch-sensitive element 11.
A touch component 11 configured to generate a volume adjustment trigger signal according to a user input; the control circuit 15 is further configured to generate a volume adjustment signal in accordance with the volume adjustment trigger signal; the voice prompt circuit 17 is further configured to adjust the volume of the voice playback according to the volume adjustment signal.
In an implementation, the touch component 11 includes one of a key switch, a touch button, a touch chip and a touch pad. The user can adjust the volume of the voice playing through the touch component 11. Optionally, the user can also power on the control circuit 15 of the vision protection device through the touch component 11, so that the control circuit 15 receives the distance detection signal, the posture detection signal and the brightness detection signal, and reminds the user to adjust the reading posture, the reading distance, the reading time and the reading lamplight brightness according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal, thereby avoiding damaging the vision and improving the vision.
Referring to fig. 3, in one embodiment, the control circuit 15 is further configured to generate a buzzer alarm signal according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal; the eyesight protection device further comprises: an alarm circuit 18.
And an alarm circuit 18 connected to the control circuit 15 and configured to give a buzzer alert based on the buzzer alarm signal.
In this embodiment, the alarm circuit 18 may adopt a buzzer, which can perform a buzzer alarm prompt for an improper reading sitting posture, an improper reading distance, and an improper reading environment light brightness, so that the user can adjust the alarm in time, thereby achieving the purpose of improving and protecting eyesight.
Referring to fig. 4, in one embodiment, the control circuit 15 is further configured to generate a communication control signal according to at least one of the distance detection signal, the posture detection signal and the brightness detection signal; the eyesight protection device further comprises: a communication control circuit 19 and a communication circuit 20.
A communication control circuit 19 connected to the control circuit 15 and configured to generate a positioning signal and a first communication signal according to the communication control signal; and the communication circuit 20 is connected with the communication control circuit 19 and configured to generate a wireless communication signal according to the positioning signal and the first communication signal so as to communicate with the host computer.
In this embodiment, the host computer end includes intelligent terminal APP, cloud platform etc, communication control circuit 19 is used for controlling the communication between eyesight protection device and the outside host computer end, make control circuit 15 according to the distance detection signal, the reading distance information that posture detection signal and luminance detection signal obtained, reading posture information, the light luminance information of reading the environment and the reading time information under the same reading posture can transmit to the host computer end through communication control circuit 19 and communication circuit 20, so that the guardian beyond user or user can in time know the user and read the books or watch the condition of electronic screen, thereby in time remind the user adjustment, and then prevent myopia and protect eyesight. Meanwhile, the intelligent Bluetooth terminal (such as a Bluetooth LED) can be controlled by the communication control circuit 19 and the communication circuit 20 to adjust the lighting brightness of the environment, so that the damage to the eyesight caused by too bright or too dark light or flickering is avoided, and the eyesight is improved and protected.
Referring to fig. 5, in one embodiment, the vision protecting device further includes: the electric quantity detection circuit 21.
A power detection circuit 21 connected to the control circuit 15 and configured to detect the power of the battery power supply to generate a power detection signal; the control circuit 15 is further configured to generate a data audio signal, a voice clock signal, a voice wake-up signal, and a vibration signal according to the power detection signal.
In this embodiment, the electric quantity detection circuit 21 detects the electric quantity of the battery power supply, and when the electric quantity of the battery power supply is smaller than the preset electric quantity threshold value, the control circuit 15 controls the voice prompt circuit 17 and the vibration circuit 16 to prompt the excessively low condition of the electric quantity of the battery power supply with the battery replacement quantity detection signal so as to remind a user of charging the battery power supply in time to supplement electric energy, and effective and reliable work of the eyesight protection device is ensured.
Referring to fig. 6, in one embodiment, the vision protecting device further includes: a voltage conversion circuit 22.
The voltage conversion circuit 22 is configured to convert a dc voltage provided by a battery power supply to generate an operating dc power to power the vision protection apparatus.
In the embodiment, the voltage converting circuit 22 performs voltage conversion and voltage stabilization on the voltage of the battery power supply to generate at least one working direct current to supply power to each functional circuit of the vision protection device, thereby ensuring effective and reliable operation of the vision protection device.
Referring to fig. 7, in one embodiment, the ranging circuit 12 includes: the device comprises a distance measuring sensor U12, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first capacitor C1; a first end of the first resistor R1, a first end of the second resistor R2, a first end of the third resistor R3, a first end of the fourth resistor R4, an analog power supply end AVDD of the ranging sensor U12, a main power supply end AVDDVCSEL of the ranging sensor U12, and a first end of the first capacitor C1 are connected to the first working direct current, a data end SDA of the ranging sensor U12 is connected to a second end of the first resistor R1, a clock end SCL of the ranging sensor U12 is connected to a second end of the second resistor R2, a switch control end XSHUT of the ranging sensor U12 is connected to a second end of the third resistor R3, a first data input/output end 1 of the GPIO ranging sensor U12 is connected to a second end of the fourth resistor R4, a ground end GND of the ranging sensor U12, an analog power supply end AVSSVCSEL of the ranging sensor U12, and a second end of the first capacitor C1 are connected to a power supply ground; the data terminal SDA of the ranging sensor U12 and the clock terminal SCL of the ranging sensor U12 are commonly connected to the control circuit 15.
In the present embodiment, the data terminal SDA of the ranging sensor U12 and the clock terminal SCL of the ranging sensor U12 are both configured as the distance detection signal output terminal of the ranging circuit 12, and output the distance detection signal to the control circuit 15. Optionally, the ranging sensor U12 adopts a VL53L1X laser ranging sensor, and is capable of detecting the distance from the user's eye to the observed object.
Referring to fig. 7, in one embodiment, the gesture detection circuit 13 includes: an inertial measurement sensor U11, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a second capacitor C2 and a third capacitor C3; wherein, the first end of the fifth resistor R5, the first end of the sixth resistor R6, a power supply terminal VDD of the inertial measurement sensor U11 and a digital input/output power supply terminal VLOGIO of the inertial measurement sensor U11 are connected to a first working dc current, a second terminal of the fifth resistor R5 is connected to a data terminal SDA of the inertial measurement sensor U11, a second terminal of the sixth resistor R6 is connected to a clock terminal SCL of the inertial measurement sensor U11, a charge pump capacitor terminal CPOUT of the inertial measurement sensor U11 is connected to a first terminal of the second capacitor C2, a second terminal of the second capacitor C2 is connected to a ground terminal GND of the inertial measurement sensor U11, a storage address terminal AD0 of the inertial measurement sensor U11 is connected to a first terminal of the seventh resistor R7, a calibration capacitor terminal REGOUT of the inertial measurement sensor U11 is connected to a first terminal of the third capacitor C3, a synchronous digital input terminal FSYNC of the inertial measurement sensor U11, a second terminal of the third capacitor C3, and a second terminal of the seventh resistor R7 are connected to a power ground; the data terminal SDA of the inertial measurement sensor U11 and the clock terminal SCL of the inertial measurement sensor U11 are commonly connected to the control circuit 15.
In the present embodiment, the data terminal SDA of the inertial measurement sensor U11 and the clock terminal SCL of the inertial measurement sensor U11 are commonly configured as the attitude detection signal output terminal of the attitude detection circuit 13, and output the attitude detection signal to the control circuit 15. Optionally, the inertial measurement sensor U11 adopts an MPU6050 six-axis sensor, and can detect the head sight angle of the user, that is, the observation angle of the user, to determine the posture of the user, and when detecting that the sitting posture is bad, the control circuit 15 controls the voice prompt circuit 17 to perform voice announcement, and controls the vibration circuit 16 to perform vibration prompt, so that the user can adjust the sitting posture, the distance to read a book or an electronic screen, and the brightness of ambient light in time.
Referring to fig. 7, in one embodiment, the control circuit 15 includes: the single chip microcomputer U9, a fifth capacitor C5, a sixth capacitor C6 and a ninth resistor R9; the sampling power supply end ADC _ AGND of the single-chip microcomputer U9 and the grounding end GND of the single-chip microcomputer U9 are connected with a power ground, the sampling power supply end ADC _ AVCC of the single-chip microcomputer U9 is connected with the reference power supply end AVREF of the single-chip microcomputer U9, the first end of a ninth resistor R9 and the first end of a fifth capacitor C5, the power supply end VCC of the single-chip microcomputer U9 is connected with the second end of the ninth resistor R9 and the first end of a sixth capacitor C6, and the second end of the fifth capacitor C5 and the second end of the sixth capacitor C6 are connected with the power ground; the first data input and output end P3.2 of the singlechip U9 and the second data input and output end P3.3 of the singlechip U9 are connected to the ranging circuit 12 in common; the third data input and output end P2.5 of the singlechip U9 and the fourth data input and output end P2.4 of the singlechip U9 are connected to the posture detection circuit 13 in common; the fifth data input and output end P1.7 of the singlechip U9 and the sixth data input and output end P4.1 of the singlechip U9 are connected to the lamplight brightness detection circuit 14 in common; a seventh data input and output end P5.1 of the singlechip U9 is connected with the vibration circuit 16; an eighth data input and output end P5.0 of the singlechip U9 is connected with the alarm circuit 18; a ninth data input and output end P2.0 of the singlechip U9, a tenth data input and output end P4.2 of the singlechip U9, an eleventh data input and output end P2.1 of the singlechip U9, a twelfth data input and output end P1.3 of the singlechip U9, a thirteenth data input and output end P1.4 of the singlechip U9 and a fourteenth data input and output end P1.5 of the singlechip U9 are connected to the voice prompt circuit 17 in common; a fifteenth data input and output end P1.1 of the singlechip U9 and a sixteenth data input and output end P1.0 of the singlechip U9 are connected to the communication control circuit 19 in common; a seventeenth data input/output end P1.6 of the singlechip U9 is connected with the electric quantity detection circuit 21; an eighteenth data input and output end P3.7 of the single chip microcomputer U9 is connected with the touch component 11.
In this embodiment, the first data input/output end P3.2 of the single chip microcomputer U9 and the second data input/output end P3.3 of the single chip microcomputer U9 together form a distance detection signal input end of the control circuit 15, and receive a distance detection signal output by the distance measuring sensor U12; the third data input and output end P2.5 of the singlechip U9 and the fourth data input and output end P2.4 of the singlechip U9 jointly form a posture detection signal input end of the control circuit 15, and receive a posture detection signal output by the inertial measurement sensor U11; the fifth data input and output end P1.7 of the singlechip U9 and the sixth data input and output end P4.1 of the singlechip U9 jointly form a brightness detection signal input end of the control circuit 15, and receive a brightness detection signal output by the lamplight brightness detection circuit 14; a seventh data input and output end P5.1 of the singlechip U9 is a vibration signal output end of the control circuit 15, and outputs a vibration signal to the vibration circuit 16; an eighth data input and output end P5.0 of the singlechip U9 is a buzzer alarm signal output end of the control circuit 15 and outputs a buzzer alarm signal to the alarm circuit 18; the ninth data input and output end P2.0 of the singlechip U9, the tenth data input and output end P4.2 of the singlechip U9 and the eleventh data input and output end P2.1 of the singlechip U9 form a data audio signal output end of the control circuit 15 together, and the data audio signal is output to the voice prompt circuit 17; a twelfth data input/output end P1.3 of the single chip microcomputer U9 is an audio adjusting signal output end of the control circuit 15, a thirteenth data input/output end P1.4 of the single chip microcomputer U9 is a voice wake-up signal output end of the control circuit 15, and a fourteenth data input/output end P1.5 of the single chip microcomputer U9 is a voice clock signal output end of the control circuit 15, and outputs a volume adjusting signal, a voice wake-up signal and a voice clock signal to the voice prompt circuit 17; the fifteenth data input and output end P1.1 of the singlechip U9 and the sixteenth data input and output end P1.0 of the singlechip U9 jointly form a communication control signal output end of the control circuit 15, and the communication control signal is output to the communication control circuit 19; a seventeenth data input/output end P1.6 of the single chip microcomputer U9 is an electric quantity detection signal input end of the control circuit 15, and receives an electric quantity detection signal output by the electric quantity detection circuit 21; an eighteenth data input and output end P3.7 of the single chip microcomputer U9 is a volume trigger signal input end of the control circuit 15. Optionally, the single chip microcomputer U9 adopts an STC8 series single chip microcomputer, for example, STC8A8K64S4a12_ LQFP 48.
Referring to fig. 6, the alarm circuit 18 further includes a speaker F3, which can perform a buzzer prompt according to the buzzer alarm signal. The vibration circuit 16 includes: the motor M, the tenth resistor R10, the eleventh resistor R11 and the first field effect transistor Q1, wherein the first end of the tenth resistor R10 is connected with the control circuit 15, specifically, the first end of the tenth resistor R10 is connected with the seventh data input/output end P5.1 of the singlechip U9 of the control circuit 15, the second end of the tenth resistor R10 is connected with the first end of the eleventh resistor R11 and the gate of the first field effect transistor Q1, the second end of the eleventh resistor R11 and the source of the first field effect transistor Q1 are connected with the power ground, the drain of the first field effect transistor Q1 is connected with the first end 1 of the motor M, and the second end 2 of the motor M is connected with the first working direct current. Optionally, the first operating direct current is V3.3. The vibration signal is amplified by the tenth resistor R10, the eleventh resistor R11 and the first field effect transistor Q1, and then drives the motor M to vibrate, so as to remind the customer to adjust the distance, posture, time for reading a book or viewing an electronic screen, the brightness of ambient light, and the like.
Referring to fig. 8, in one embodiment, the voice prompt circuit 17 includes a digital-to-analog converter U10, an audio power amplifier U1, a left channel speaker F2, a right channel speaker F1, and the like, the digital-to-analog converter U1 can convert a data audio signal into left and right channel audio signals (Rin and Lin), the audio power amplifier U1 amplifies the left and right channel audio signals (Rin and Lin), the left channel speaker F2 and the right channel speaker F1 perform voice broadcast according to the audio signals, and the single chip microcomputer U9 can control the audio power amplifier U1 to adjust the volume of the voice broadcast.
In a specific implementation, the lamp brightness detecting circuit 14 includes one of a photodiode, a phototransistor, and a photoresistor. Alternatively, as shown in fig. 7, the lamp brightness detection circuit 14 detects the brightness of the ambient lamp by using a photodiode D1 to generate a brightness detection signal.
The working principle of the vision protection device will be briefly described with reference to fig. 7 and 8 as follows:
the distance measuring sensor U12 of the distance measuring circuit 12 detects the distance between the eyes of the user and the observed object (such as an electronic screen of a book or an interrupt device) to generate a distance detection signal and output the distance detection signal to the singlechip U9, the inertial measuring sensor U11 of the posture detecting circuit 13 detects the observation posture of the user to generate a posture detection signal and output the posture detection signal to the singlechip U9, and the light brightness detecting circuit 14 detects the light illumination brightness of the environment through the photodiode D1 to generate a brightness detection signal and output the brightness detection signal to the singlechip U9; the singlechip U9 receives the distance detection signal, the posture detection signal and the brightness detection signal, and generates at least one of three conditions that the distance from the eyes of the user to the observed object obtained according to the distance detection signal exceeds a distance preset threshold, the observation posture (such as the angle between the head and the observed object) of the user obtained according to the posture detection signal exceeds a preset posture threshold, and the ambient light brightness obtained according to the brightness detection signal exceeds a preset light brightness threshold to control the voice prompt circuit 17 to play a corresponding alarm prompt voice section, and the singlechip U9 can also obtain the time for reading a book or an electronic screen in a fixed posture according to the distance detection signal and the posture detection signal, and when the time is greater than a preset time threshold, the singlechip U9 controls the voice prompt circuit 17 to perform voice broadcast, thereby alerting the user; in the voice broadcasting process, the volume of voice broadcasting can be adjusted through the touch control assembly 11; meanwhile, the singlechip U9 can also generate a vibration signal according to at least one of three conditions that the distance from the eyes of the user to the observed object exceeds a distance pre-threshold value, the observation posture of the user exceeds a preset posture threshold value, and the ambient light brightness exceeds a preset light brightness threshold value, and the motor M vibrates to remind the user of timely adjusting the posture, reading the book or reading the distance, the sitting posture, the time and the light brightness of the electronic screen, so that the proper eyes can be rested and relaxed, and the purpose of improving and protecting the eyesight is achieved.
A second aspect of embodiments of the present application provides a wearable device comprising a vision protection apparatus as described in any of the above.
In this embodiment, the eyesight protection device can be designed into different shapes and structures according to specific application requirements, so as to be conveniently arranged on the wearable device, for example, on the head ring, so as to be worn on the forehead for eyesight protection; or design into the constructional device that hangs on the pile head of glasses or the eyebrow of glasses convenient to the user of wearing glasses reads apart from detecting, reads the posture and detects and read the ambient light luminance detection, thereby according to the real-time detection result, reminds the user in time to adjust the distance of reading or seeing electronic screen, position of sitting and time, and adjusts ambient light luminance to suitable scope, reaches the purpose that prevents myopia and improve eyesight, practicality and reliability height.
The wearable equipment of this embodiment can real-time detection user's eyes and the reading time under the distance of observed object, user's posture, environment light luminance and the fixed posture to in time voice broadcast reminds and vibrations suggestion user, lets the user in time adjust the distance of reading or seeing electronic screen, position of sitting and time, and adjust environment light luminance to suitable illumination luminance scope, reaches the purpose that the prevention is myopic and improve eyesight, practicality and reliability height.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the functional units, modules and circuits described above are illustrated as being divided into different functional units, modules and circuits, and in practical applications, the functions may be divided into different functional units, modules and circuits according to different requirements, that is, the internal structure of the apparatus may be divided into different functional units, modules or circuits to complete all or part of the functions described above. The specific names of the functional units, modules and circuits are only for convenience of distinguishing from each other and are not used to limit the scope of the present application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same.
Claims (10)
1. A vision protection device, comprising:
a ranging circuit configured to detect a distance between an eye of a user and an observed object to generate a distance detection signal;
a gesture detection circuit configured to detect an observed gesture of a user to generate a gesture detection signal;
a lamp brightness detection circuit configured to detect an ambient lamp brightness to generate a brightness detection signal;
a control circuit, respectively connected to the distance measuring circuit, the gesture detection circuit, and the light brightness detection circuit, configured to receive the distance detection signal, the gesture detection signal, and the brightness detection signal, and generate a data audio signal, a voice clock signal, a voice wake-up signal, and a vibration signal according to at least one of the distance detection signal, the gesture detection signal, and the brightness detection signal;
the vibration circuit is connected with the control circuit and is configured to perform vibration reminding according to the vibration signal;
and the voice prompt circuit is connected with the control circuit and is configured to play voice according to the data audio signal, the voice clock signal and the voice wake-up signal.
2. A vision protection device as recited in claim 1, further comprising:
the touch control assembly is configured to generate a volume adjustment trigger signal according to user input;
the control circuit is further configured to generate a volume adjustment signal according to the volume adjustment trigger signal; the voice prompt circuit is also configured to adjust the volume of voice playing according to the volume adjusting signal.
3. The vision protection device of claim 1, wherein the control circuit is further configured to generate a beep alert signal based on at least one of the distance detection signal, the posture detection signal, and the brightness detection signal; the vision protection device further comprises:
and the alarm circuit is connected with the control circuit and is configured to give a buzzing prompt according to the buzzing alarm signal.
4. The vision protection device of claim 1, wherein the control circuit is further configured to generate a communication control signal based on at least one of the distance detection signal, the posture detection signal, and a brightness detection signal;
the vision protection device further comprises:
the communication control circuit is connected with the control circuit and is configured to generate a positioning signal and a first communication signal according to the communication control signal;
and the communication circuit is connected with the communication control circuit and is configured to generate a wireless communication signal according to the positioning signal and the first communication signal so as to communicate with a host end.
5. A vision protection device as recited in claim 1, further comprising:
the electric quantity detection circuit is connected with the control circuit and is configured to detect the electric quantity of the battery power supply so as to generate an electric quantity detection signal;
the control circuit is further configured to generate the data audio signal, the voice clock signal, the voice wake-up signal, and the vibration signal according to the electric quantity detection signal.
6. A vision protection device as recited in claim 1, wherein said light intensity detection circuit comprises one of a photodiode, a phototransistor, and a photoresistor.
7. A vision protection device as recited in claim 1, wherein said ranging circuit comprises: the device comprises a distance measuring sensor, a first resistor, a second resistor, a third resistor, a fourth resistor and a first capacitor;
the first end of the first resistor, the first end of the second resistor, the first end of the third resistor, the first end of the fourth resistor, the analog power supply end of the distance measuring sensor, the main power supply end of the distance measuring sensor and the first end of the first capacitor are connected with a first working direct current, the data end of the distance measuring sensor is connected with the second end of the first resistor, the clock end of the distance measuring sensor is connected with the second end of the second resistor, the switch control end of the distance measuring sensor is connected with the second end of the third resistor, the first data input and output end of the distance measuring sensor is connected with the second end of the fourth resistor, and the grounding end of the distance measuring sensor, the analog power supply ground end of the distance measuring sensor and the second end of the first capacitor are connected with a power ground;
and the data end of the ranging sensor and the clock end of the ranging sensor are connected to the control circuit in common.
8. A vision protection device as recited in claim 1, wherein the gesture detection circuit comprises: the device comprises an inertial measurement sensor, a fifth resistor, a sixth resistor, a seventh resistor, a second capacitor and a third capacitor;
the first end of the fifth resistor, the first end of the sixth resistor, the power supply end of the inertial measurement sensor and the digital input/output power supply end of the inertial measurement sensor are connected with a first working direct current, the second end of the fifth resistor is connected with the data end of the inertial measurement sensor, the second end of the sixth resistor is connected with the clock end of the inertial measurement sensor, the charge pump capacitance end of the inertial measurement sensor is connected with the first end of the second capacitor, the second end of the second capacitor is connected with the grounding end of the inertial measurement sensor, the memory address end of the inertial measurement sensor is connected with the first end of the seventh resistor, the calibration capacitor end of the inertial measurement sensor is connected with the first end of the third capacitor, the synchronous digital input end of the inertial measurement sensor, the second end of the third capacitor and the second end of the seventh resistor are connected with a power ground;
and the data end of the inertial measurement sensor and the clock end of the inertial measurement sensor are connected to the control circuit in common.
9. A vision protection device as recited in claim 1, wherein said control circuit comprises: the single chip microcomputer, a fifth capacitor, a sixth capacitor and a ninth resistor;
the sampling power supply end of the single chip microcomputer is connected with a reference power supply end of the single chip microcomputer, the first end of the ninth resistor and the first end of the fifth capacitor, the power supply end of the single chip microcomputer is connected with the second end of the ninth resistor and the first end of the sixth capacitor, and the second end of the fifth capacitor and the second end of the sixth capacitor are connected with the power supply ground;
the first data input and output end of the single chip microcomputer and the second data input and output end of the single chip microcomputer are connected to the ranging circuit in a sharing mode; the third data input and output end of the single chip microcomputer and the fourth data input and output end of the single chip microcomputer are connected to the posture detection circuit in a shared mode; a fifth data input and output end of the single chip microcomputer and a sixth data input and output end of the single chip microcomputer are connected to the lamplight brightness detection circuit in a shared mode; a seventh data input/output end of the singlechip is connected with the vibration circuit; an eighth data input/output end of the single chip microcomputer is connected with the alarm circuit; a ninth data input and output end of the single chip microcomputer, a tenth data input and output end of the single chip microcomputer, an eleventh data input and output end of the single chip microcomputer, a twelfth data input and output end of the single chip microcomputer, a thirteenth data input and output end of the single chip microcomputer and a fourteenth data input and output end of the single chip microcomputer are connected to the voice prompt circuit in a common mode; a fifteenth data input and output end of the single chip microcomputer and a sixteenth data input and output end of the single chip microcomputer are connected to the communication control circuit in a sharing mode; the seventeenth data input/output end of the single chip microcomputer is connected with the electric quantity detection circuit; and an eighteenth data input and output end of the singlechip is connected with the touch control assembly.
10. A wearable device, characterized in that the wearable device comprises: a vision protection device as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258180.4U CN211653843U (en) | 2020-03-05 | 2020-03-05 | Eyesight protection device and wearable equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020258180.4U CN211653843U (en) | 2020-03-05 | 2020-03-05 | Eyesight protection device and wearable equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273422A (en) * | 2022-06-22 | 2022-11-01 | 京东方科技集团股份有限公司 | Reminder, reminding method, computing device and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273422A (en) * | 2022-06-22 | 2022-11-01 | 京东方科技集团股份有限公司 | Reminder, reminding method, computing device and storage medium |
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