CN110148287A - Multifunctional eyesight protecting apparatus and its application method - Google Patents
Multifunctional eyesight protecting apparatus and its application method Download PDFInfo
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- CN110148287A CN110148287A CN201910517977.3A CN201910517977A CN110148287A CN 110148287 A CN110148287 A CN 110148287A CN 201910517977 A CN201910517977 A CN 201910517977A CN 110148287 A CN110148287 A CN 110148287A
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- 230000004438 eyesight Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 72
- 239000003990 capacitor Substances 0.000 claims description 66
- 238000006243 chemical reaction Methods 0.000 claims description 39
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- 230000006698 induction Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 17
- 230000004379 myopia Effects 0.000 description 8
- 208000001491 myopia Diseases 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Abstract
Multifunctional eyesight protecting apparatus of the present invention and its application method belong to vision protection device technical field；Technical problem to be solved are as follows: the improvement of a kind of Multifunctional eyesight protecting apparatus hardware configuration and its application method is provided；Solve the technical solution of technical problem use are as follows: including device housing, light sensing module is provided at the top of described device shell, the front of described device shell is provided with LCD display, ultrasonic distance measuring module and sound and light alarm module are provided on the downside of the LCD display, the bottom of described device shell is additionally provided with control button and power module；Described device shell is internally provided with control circuit board, and central controller is integrated in the control circuit board, and the central controller is connected by conducting wire with LCD display, control button；The signal input part of the central controller is connected with ultrasonic distance measuring module；The signal output end of the central controller is connected with sound and light alarm module；The present invention is applied to vision protection device.
Description
Technical field
Multifunctional eyesight protecting apparatus of the present invention and its application method belong to vision protection device technical field.
Background technique
At present first of the world China's adolescent myopia Shuai Ju, pupil's rate of myopia is 26.96%, and junior school student 53.43%, high
Middle life is 72.8%, and university student 77.95%, and the low situation of student eyesight is troubling, and the reading posture that writes is incorrect, sees
Too long book light environment is undesirable, reading is done the homework time is the main reason for leading to myopia.
It is continuously improved in recent years for the treatment level of myopia, but it is big often to there is Operative risk, treatment cost is high, treatment
The unstable problem of effect, therefore solve myopia problem the best way and be to prevent or alleviate；Occur one on the market at present
Serial related preventive uses eye behaviour modification product, these products can not play very in use due to having a single function
Good related preventive effect, in addition product structure is complicated, and installation is difficult with use process, makes it be unfavorable for promoting, user is frequent
The effect for causing product not have due protection eyesight since parameter will not be arranged；Therefore it needs to existing vision protection device
Carry out a degree of improvement.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, technical problem to be solved are as follows: provides a kind of more function
The improvement of energy vision protection device hardware configuration and its application method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: Multifunctional eyesight protecting apparatus, including dress
Shell is set, light sensing module is provided at the top of described device shell, the front of described device shell is provided with LCD and shows
Shield, is provided with ultrasonic distance measuring module and sound and light alarm module on the downside of the LCD display, the bottom of described device shell is also
It is provided with control button and power module；
Described device shell is internally provided with control circuit board, and central controller is integrated in the control circuit board, described
Central controller is connected by conducting wire with LCD display, control button；
The signal input part of the central controller is connected with ultrasonic distance measuring module；
The signal output end of the central controller is connected with sound and light alarm module；
The power input of the central controller is connected with power module；
The signal input part of the central controller is also connected with AD conversion module, the AD conversion module and light sensing module
Signal output end be connected；
The central controller is also connected with wireless communication module, and the wireless communication module passes through wireless network and monitor terminal
It is connected.
Chip used in the central controller is control chip U1, and chip used in the AD conversion module is to turn
Change chip U2；
The circuit structure of the central controller are as follows:
1 foot to 3 feet, 32 feet to 39 feet of the control chip U1 are connected with the signal input part of LCD display；
4 feet of the control chip U1 are connected with sound and light alarm module, with three after the 4 foot series resistor R1 for controlling chip U1
The base stage of pole pipe Q1 is connected, and the emitter of the triode Q1 is connected with VCC power input, the collector of the triode Q1
And be connected behind one end of connecting resistance R4 with the positive terminal of buzzer B1, the other end and light emitting diode D1 of the resistance R4 is just
Extremely it is connected, the cathode of the Light-Emitting Diode D1 is simultaneously grounded after connecing the negative pole end of buzzer B1；
5 feet, 6 feet, 7 feet of the control chip U1 are connected with AD conversion module, 5 feet and conversion core of the control chip U1
1 foot of piece U2 is connected；
6 feet of the control chip U1 are connected with 7 feet of conversion chip U2；
It is connected after 7 feet for controlling chip U1 and 5 feet for meeting conversion chip U2 with 6 feet of conversion chip U2；
8 feet of the conversion chip U2 are connected with VCC power input；
It is connected behind 2 feet of the conversion chip U2 and one end of connecting resistance R6 with one end of photo resistance GR1, the photo resistance
The other end of GR1 is connected with VCC input power, the other end ground connection of the resistance R6；
9 feet of the control chip U1 are connected with reset circuit, and 9 feet of the control chip U1 and one end of connecting resistance R3 have
It is connected after the cathode of electrode capacitance C1 with one end of reset switch S1, the other end of the reset switch S1 is simultaneously connected to electrode capacitance C1's
It is connected after anode with VCC input power, the other end ground connection of the resistance R3；
12 feet, 13 feet of the control chip U1 are connected with ultrasonic distance measuring module；
15 feet, 16 feet, 17 feet of the control chip U1 are connected with control button；
It is connected behind 18 feet for controlling chip U1 and the one end for meeting crystal oscillator Y1 with one end of capacitor C2, the control chip U1's
19 feet are simultaneously connected after connecing the other end of crystal oscillator Y1 with one end of capacitor C3, and the other end shunt-wound capacitance C3's of the capacitor C2 is another
It is grounded behind end；
21 feet, 22 feet of the control chip U1 are connected with wireless communication module.
Chip used in the wireless communication module is wireless communication chips U3, the circuit knot of the wireless communication module
Structure are as follows:
4 feet, 5 feet of the wireless communication chips U3 are connected with central controller；
7 feet of the wireless communication chips U3 connect 3.3V input power；
8 feet of the wireless communication chips U3 are grounded；
9 feet of the wireless communication chips U3 and the one end for meeting crystal oscillator X1, one end phase behind one end of resistance R11 with capacitor C11
Even, the other end ground connection of the capacitor C11；
10 feet of the wireless communication chips U3 and the other end for meeting crystal oscillator X1, after the other end of resistance R11 with capacitor C12 one
End is connected, the other end ground connection of the capacitor C12；
One end of 11 feet of the wireless communication chips U3 successively shunt-wound capacitance C13, behind one end of capacitor C14 with inductance L3 one
End is connected, and the other end of described capacitor C13, C14 are grounded；
12 feet of the wireless communication chips U3 and the one end for meeting inductance L2, the other end behind one end of capacitor C15 with inductance L3
It is connected, the other end ground connection of the capacitor C15；
13 feet of the wireless communication chips U3 and the other end for meeting inductance L2, one end behind one end of capacitor C16 with inductance L1
It is connected, the other end of the inductance L1 is connected with one end of capacitor C17, and the one of the other end shunt-wound capacitance C18 of the capacitor C17
End is followed by communication antenna E1, and the other end of described capacitor C16, C18 are grounded；
14 feet of the wireless communication chips U3 are grounded；
15 feet of the wireless communication chips U3 and 18 feet for meeting wireless communication chips U3, one end of capacitor C20, capacitor C19's
One end is followed by 3.3V input power, and the other end of described capacitor C20, C19 are grounded；
16 feet of the wireless communication chips U3 are connected with one end of resistance R12；
It is grounded after 17 feet of the wireless communication chips U3 and the other end of connecting resistance R12；
19 feet of the wireless communication chips U3 are connected with one end of capacitor C21；
It is grounded after the other end of the 20 foot shunt-wound capacitance C21 of the wireless communication chips U3.
Chip used in the power module is voltage-stablizer U4, the circuit structure of the power module are as follows:
One end of the 3 foot shunt-wound capacitance C22 of the voltage-stablizer U4 is followed by 5V input power, and 2 feet of the voltage-stablizer U4 simultaneously connect electricity
Hold one end of C23, one end of capacitor C24 is followed by 3.3V power output end, and the 1 foot shunt-wound capacitance C22's of the voltage-stablizer U4 is another
One end, the other end of capacitor C23 are grounded after the other end of capacitor C24.
The model STC89C52 of the control chip U1；
The model ADC0832 of the conversion chip U2；
The model NRF24L01 of the wireless communication chips U3；
The model SPX1117 of the voltage-stablizer U4；
The model LCD1602 of the LCD display；
The model HC-RS04 of the ultrasonic distance measuring module.
The application method of Multifunctional eyesight protecting apparatus, includes the following steps:
Step 1: device housing is placed on the table, makes device housing apart from user's body fixed range, while making device
The light sensing module being arranged on shell can collect the photometric data of desktop environment；
Step 2: user's device for opening power supply, device built-in system initializes, and after initialization, user can be with
By operate control button successively set light intensity data upper limit value and lower limit value, with eye maximum duration, body and ultrasound
The lower limit value of wave range finder module range data；After above-mentioned parameter is set, the program for operating control button executes key, device
Start to monitor user's eye condition；
Step 3: when there is the light intensity in user's eye-using environment greater than preset upper limit value, or being less than lower limit value, light sense
Module is answered to exist by the light data that AD conversion module is arrived to central controller feedback collection abnormal, central controller will be to sound
Light alarm module sends alarm signal and triggers sound-light alarm；User needs accordingly to be adjusted according to specific light radiation situation at this time
It is whole, so that light sensing module is collected the light intensity data for meeting parameter preset, makes sound and light alarm module stop alarm；
When user's learning time being more than preset use eye maximum duration, central controller will send alarm to sound and light alarm module
Signal triggers sound-light alarm；User needs to carry out the rest of a period of time at this time, while readjusting setting new round eye most
For a long time, make sound and light alarm module stop alarm；
When the ultrasonic distance measuring module distance for user's body and device occur is less than preset lower limit value, ultrasonic distance measuring module
There is exception in the range data arrived to central controller feedback collection, central controller will send alarm signal to sound and light alarm module
Number triggering sound-light alarm；User needs to allow body far from ultrasonic distance measuring module certain distance at this time, makes ultrasonic distance measuring module
The range data for meeting parameter preset is collected, sound and light alarm module stop alarm is made；
Step 4: when user makes above-mentioned adjustment, after realizing control sound and light alarm module stop alarm, vision protection device enters
New round eye condition monitors process, continues to monitor in real time to eye light environment, between at the moment, with eye range data.
The present invention that the present invention had compared with the existing technology have the beneficial effect that existing myopia prevention device and system into
Row improves, while eye-using environment light sensing is integrated in a part device with functions such as eye time monitorings with eye correcting sitting posture
Interior, compact-sized simple, production cost is low；Above-mentioned function, which is used in combination, in user can achieve pre- myopic-preventing purpose, the present invention
Influence of the prevention bad habit to eyesight is gone with the method for non-medicine, such as from the time of eye, the intensity of light, eyes and book
This distance etc. is monitored in real time, thus solve because it is long-term it is unsound be accustomed to eye caused by myopia, squint, ridge
The problems such as vertebra bending deformation；User presets the parameter area of monitoring by the key in operating device, so that during with eye,
When corresponding eye-using environment Parameters variation exceeds parameter preset, device is voluntarily alarmed, and user is prompted to make corresponding adjustment as early as possible,
It is easy to use, it can promote the use of.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is electrical block diagram of the invention；
Fig. 3 is the circuit diagram of central controller of the present invention；
Fig. 4 is the circuit diagram of wireless communication module of the present invention；
Fig. 5 is the circuit diagram of power module of the present invention；
Fig. 6 is use flow chart of steps of the invention；
Fig. 7 is use state diagram of the invention；
In figure: 1 being device housing, 2 be light sensing module, 3 be LCD display, 4 be ultrasonic distance measuring module, 5 be acousto-optic report
Alert module, 6 be control button, 7 be power module, 8 be central controller, 9 be AD conversion module, 10 be wireless communication module,
11 be monitor terminal.
Specific embodiment
As shown in Figures 1 to 5, Multifunctional eyesight protecting apparatus of the present invention, including device housing (1), described device shell
(1) it is provided at the top of light sensing module (2), the front of described device shell (1) is provided with LCD display (3), described
Ultrasonic distance measuring module (4) and sound and light alarm module (5) are provided on the downside of LCD display (3), described device shell (1)
Bottom is additionally provided with control button (6) and power module (7)；
Described device shell (1) is internally provided with control circuit board, is integrated with central controller in the control circuit board
(8), the central controller (8) is connected by conducting wire with LCD display (3), control button (6)；
The signal input part of the central controller (8) is connected with ultrasonic distance measuring module (4)；
The signal output end of the central controller (8) is connected with sound and light alarm module (5)；
The power input of the central controller (8) is connected with power module (7)；
The signal input part of the central controller (8) is also connected with AD conversion module (9), the AD conversion module (9) and light
The signal output end of line induction module (2) is connected；
The central controller (8) is also connected with wireless communication module (10), and the wireless communication module (10) passes through wireless network
Network is connected with monitor terminal (11).
Chip used in the central controller (8) is control chip U1, core used in the AD conversion module (9)
Piece is conversion chip U2；
The circuit structure of the central controller (8) are as follows:
1 foot to 3 feet, 32 feet to 39 feet of the control chip U1 are connected with the signal input part of LCD display (3)；
4 feet of the control chip U1 are connected with sound and light alarm module (5), after the 4 foot series resistor R1 of the control chip U1
It is connected with the base stage of triode Q1, the emitter of the triode Q1 is connected with VCC power input, the collection of the triode Q1
It is connected behind one end of electrode and connecting resistance R4 with the positive terminal of buzzer B1, the other end and light emitting diode D1 of the resistance R4
Anode be connected, the cathode of the Light-Emitting Diode D1 is simultaneously grounded after connecing the negative pole end of buzzer B1；
It is described control chip U1 5 feet, 6 feet, 7 feet be connected with AD conversion module (9), it is described control chip U1 5 feet with turn
1 foot for changing chip U2 is connected；
6 feet of the control chip U1 are connected with 7 feet of conversion chip U2；
It is connected after 7 feet for controlling chip U1 and 5 feet for meeting conversion chip U2 with 6 feet of conversion chip U2；
8 feet of the conversion chip U2 are connected with VCC power input；
It is connected behind 2 feet of the conversion chip U2 and one end of connecting resistance R6 with one end of photo resistance GR1, the photo resistance
The other end of GR1 is connected with VCC input power, the other end ground connection of the resistance R6；
9 feet of the control chip U1 are connected with reset circuit, and 9 feet of the control chip U1 and one end of connecting resistance R3 have
It is connected after the cathode of electrode capacitance C1 with one end of reset switch S1, the other end of the reset switch S1 is simultaneously connected to electrode capacitance C1's
It is connected after anode with VCC input power, the other end ground connection of the resistance R3；
12 feet, 13 feet of the control chip U1 are connected with ultrasonic distance measuring module (4)；
15 feet, 16 feet, 17 feet of the control chip U1 are connected with control button (6)；
It is connected behind 18 feet for controlling chip U1 and the one end for meeting crystal oscillator Y1 with one end of capacitor C2, the control chip U1's
19 feet are simultaneously connected after connecing the other end of crystal oscillator Y1 with one end of capacitor C3, and the other end shunt-wound capacitance C3's of the capacitor C2 is another
It is grounded behind end；
21 feet, 22 feet of the control chip U1 are connected with wireless communication module (10).
Chip used in the wireless communication module (10) is wireless communication chips U3, the wireless communication module (10)
Circuit structure are as follows:
4 feet, 5 feet of the wireless communication chips U3 are connected with central controller (8)；
7 feet of the wireless communication chips U3 connect 3.3V input power；
8 feet of the wireless communication chips U3 are grounded；
9 feet of the wireless communication chips U3 and the one end for meeting crystal oscillator X1, one end phase behind one end of resistance R11 with capacitor C11
Even, the other end ground connection of the capacitor C11；
10 feet of the wireless communication chips U3 and the other end for meeting crystal oscillator X1, after the other end of resistance R11 with capacitor C12 one
End is connected, the other end ground connection of the capacitor C12；
One end of 11 feet of the wireless communication chips U3 successively shunt-wound capacitance C13, behind one end of capacitor C14 with inductance L3 one
End is connected, and the other end of described capacitor C13, C14 are grounded；
12 feet of the wireless communication chips U3 and the one end for meeting inductance L2, the other end behind one end of capacitor C15 with inductance L3
It is connected, the other end ground connection of the capacitor C15；
13 feet of the wireless communication chips U3 and the other end for meeting inductance L2, one end behind one end of capacitor C16 with inductance L1
It is connected, the other end of the inductance L1 is connected with one end of capacitor C17, and the one of the other end shunt-wound capacitance C18 of the capacitor C17
End is followed by communication antenna E1, and the other end of described capacitor C16, C18 are grounded；
14 feet of the wireless communication chips U3 are grounded；
15 feet of the wireless communication chips U3 and 18 feet for meeting wireless communication chips U3, one end of capacitor C20, capacitor C19's
One end is followed by 3.3V input power, and the other end of described capacitor C20, C19 are grounded；
16 feet of the wireless communication chips U3 are connected with one end of resistance R12；
It is grounded after 17 feet of the wireless communication chips U3 and the other end of connecting resistance R12；
19 feet of the wireless communication chips U3 are connected with one end of capacitor C21；
It is grounded after the other end of the 20 foot shunt-wound capacitance C21 of the wireless communication chips U3.
Chip used in the power module (7) is voltage-stablizer U4, the circuit structure of the power module (7) are as follows:
One end of the 3 foot shunt-wound capacitance C22 of the voltage-stablizer U4 is followed by 5V input power, and 2 feet of the voltage-stablizer U4 simultaneously connect electricity
Hold one end of C23, one end of capacitor C24 is followed by 3.3V power output end, and the 1 foot shunt-wound capacitance C22's of the voltage-stablizer U4 is another
One end, the other end of capacitor C23 are grounded after the other end of capacitor C24.
The model STC89C52 of the control chip U1；
The model ADC0832 of the conversion chip U2；
The model NRF24L01 of the wireless communication chips U3；
The model SPX1117 of the voltage-stablizer U4；
The model LCD1602 of the LCD display (3)；
The model HC-RS04 of the ultrasonic distance measuring module (4).
The application method of Multifunctional eyesight protecting apparatus, includes the following steps:
Step 1: device housing (1) is placed on the table, makes device housing (1) apart from user's body fixed range, simultaneously
Make the light sensing module (2) being arranged on device housing (1) that the photometric data of desktop environment can be collected；
Step 2: user's device for opening power supply, device built-in system initializes, and after initialization, user can be with
Successively set by operation control button (6) light intensity data upper limit value and lower limit value, with eye maximum duration, body and super
The lower limit value of sound ranging module range data；After above-mentioned parameter is set, the program execution of operation control button (6) is pressed
Key, device start to monitor user's eye condition；
Step 3: when there is the light intensity in user's eye-using environment greater than preset upper limit value, or being less than lower limit value, light sense
Module (2) is answered to there is abnormal, center control by the light data that AD conversion module (9) is arrived to central controller (8) feedback collection
Device (8) processed will send alarm signal to sound and light alarm module (5) and trigger sound-light alarm；User needs to be shone according to specific light at this time
It penetrates situation to adjust accordingly, so that light sensing module (2) is collected the light intensity data for meeting parameter preset, make acousto-optic report
Alert module (5) stop alarm；
When user's learning time being more than preset use eye maximum duration, central controller (8) will be sent out to sound and light alarm module (5)
Alarm signal is sent to trigger sound-light alarm；User needs to carry out the rest of a period of time at this time, while readjusting a setting new round
With eye maximum duration, make sound and light alarm module (5) stop alarm；
When ultrasonic distance measuring module (4) distance for user's body and device occur is less than preset lower limit value, ultrasonic distance measurement
There is exception in the range data that module (4) is arrived to central controller (8) feedback collection, central controller (8) will be to sound-light alarm
Module (5) sends alarm signal and triggers sound-light alarm；User needs to allow body far from (4) one spacing of ultrasonic distance measuring module at this time
From making ultrasonic distance measuring module (4) collect the range data for meeting parameter preset, make sound and light alarm module (5) stop alarm；
Step 4: when user makes above-mentioned adjustment, after realizing control sound and light alarm module (5) stop alarm, vision protection device
Process is monitored into new round eye condition, continues to be supervised in real time to eye light environment, between at the moment, with eye range data
Control.
The present invention is based on the main body circuits that STC89C52 type single-chip microcontroller is core, are alarmed using timing alarm, light intensity
And the functional modules such as ranging, mutual cooperation can achieve to the purpose protected with eye vision；Wherein timing alarm function is in
Controller internal clock circuit is entreated to realize, light intensity alarm module is made of photo resistance and warning circuit, range finder module
It is made of ultrasonic sensor.
In the use of the present invention, the detection function adjusted the distance is mainly reflected in, when user's body and vision protection device
The distance between when being less than the safe distance of setting, device will issue warning note, remind user's appropriate adjustment sitting posture；To light
The detection function of line intensity is mainly reflected in, and when tabletop reading, writing ambient light illumination is too strong or insufficient, device will be issued and be alarmed
Prompt can voluntarily select to open the progress light filling operation of eyeshield light switch if discovery warning reason is light intensity deficiency；It is right
The detection function of learning time is mainly reflected in, and after learning time reaching preset time value, device can equally trigger automatic report
Alert prompt, reminds user to take a good rest, and protects eyesight.
The present invention uses core of the STC89C52 single chip as whole system, and control uses simple, convenient, fast, knot
Structure is simple, feature-rich, and control performance is cheap；The central controller that the present invention uses uses the list of STC89C52 model
Piece machine system acquires light signal by setting photo resistance, and carries out by AD conversion module to collected light data
Analog-to-digital conversion, light intensity is hierarchical, the hair when there is insufficient illumination or foot excessively is realized by default light alarm level
Alarm signal out.
The ultrasonic distance-measuring sensor that the present invention uses can be with the device of real-time detection user's body and placement on the table
Distance, when user's body is gradually reduced due to fatigue or other inertia with desktop distance, when distance is less than the safety of setting
Apart from when device will issue alarm remind.
Central controller provided by the invention supports internal clocking warning function simultaneously, and user passes through operation control button,
The default corresponding alarm time limit, such as with eye 45 to 60 minutes when rest, after reaching preset time, voluntarily sent out inside device
Warning note out reminds user to take a good rest.
The sound and light alarm module is specifically made of triode driving buzzer.
The present invention can be powered by dry cell, and the 3.3V working power that cooperation single-chip microcontroller uses passes through power module
It realizes working power pressure stabilizing, improves the stability and reliability of device in use.
The present invention selects LCD1602 liquid crystal display to display data, and LCD1602 LCD MODULE belongs to light permeate
Crystallography, display letter and number is convenient, and abundant in content, clear, display contains much information, and control is simple, and cost is relatively low.
The light sensing module that the present invention uses relies primarily on photo resistance and is acquired to light, when there is light irradiation light
When quick resistance, the electronics in stable state is excited originally in photo resistance, becomes free electron, when light is stronger, is produced
Raw free electron is also more, so that photo resistance becomes smaller；The advantages of photo resistance, is its internal photoelectric effect
It is unrelated with electrode, it can it is powered using DC power supply, the sensitivity of photo resistance and semiconductor material and is entered
The wavelength for penetrating light is related, and, cost performance height cheap to light data acquisition feedback is realized using photo resistance.
The practical ultrasonic distance measuring module that the present invention uses is a kind of sitting posture detection module, using the super of HC-RS04 model
Sonic sensor, which is adjusted the distance, to be detected, and sitting posture can be determined at a distance from desktop by measuring face, when measurement is apart from small
Range finder module will be to central controller signal an alert when preset safe distance；Ultrasonic wave is small in size, light-weight, ranging
Signal is easy to directional transmissions, and directional stability is good, and intensity is easily controllable, easy to use.
The present invention is additionally provided with wireless communication module, current monitor data can be sent in real time and be uploaded to preparatory matching
Monitor terminal in, so that monitor terminal holder is understood the use state of vision protection device in real time, and understand whether it alarms.
Further, the STC89C52 single chip that the present invention uses includes central processing unit, program storage (ROM), number
According to several big units such as memory (RAM), Timer/Counter, parallel interface, serial line interface and interruption system and data/address bus,
The big bus of location bus and control bus etc. three.
Ultrasonic wave module uses ready-made HC-RS04 ultrasonic wave module, which can provide the contactless of 2cm-400cm
Distance sensing function, range accuracy arrive 3mm up to high.Specifically further include inside range finder module ultrasonic transmitter, receiver with
Corresponding control circuit.
Light intensity warning circuit is specifically divided into photo resistance control circuit and light sounding alarm circuit, and function has been
Pulse is issued when condition meets at the circuit controlled by photo resistance, which is in the P1.6 mouth of 89C52 single-chip microcontroller
Whether P1.6 mouthfuls by detection of system be high level, and the pulse for meeting phonation circuit needs is provided using P1.3 mouthfuls by interrupting to control,
It is made a sound again by phonation circuit and reminds user's light too weak or too by force, need to adjust the brightness of light, and then reach protection eyesight
Purpose.
Timing alarming circuit is divided into single chip machine controlling circuit and alarm phonation circuit, it mainly passes through the timing ga(u)ge of single-chip microcontroller
Number function completion timing preset time simultaneously makes corresponding alarm module issue sound-light alarm, and user is reminded to rest in time.
The sound and light alarm module amplifies driving current by triode, so as to allow buzzer to make a sound, utilizes
The timing function of single-chip microcontroller generates an oscillating impulse square wave by P1.3, exports high level, triode ON, collector current
It is made a sound by buzzer by buzzer, when exporting low level, triode cut-off, no electric current flows through buzzer, makes bee
Ring device will not make a sound.
As shown in Figure 6 and Figure 7, the present invention realizes that monitoring function is based primarily upon the main journey of controller single-chip microcomputer internal preset
Sequence is called survey photon program, calendar subroutine, alarm subprogram, the execution of ultrasonic wave subprogram respectively；For function of the invention
Main program is determined using first, and second will remove design subroutine module according to each hardware circuit function, finally that each module is embedding
Enter in main program.
Begin to use, have to initialize after system boot, user can operate control button and adjust light
The parameter area of intensity size, learning time countdown length, the distance length of ultrasonic distance measurement etc., sets the range of needs
Later, execution key is pressed, device housing is placed on the table.
If light intensity is too strong or excessively weak, buzzer will carry out warning note and control diode flashing, be adjusted to
The warning note of buzzer will stop after suitable light, with should the preset detecting distance of ultrasonic distance measuring module beyond use
Excitation apparatus is issued sound-light alarm by the current positional distance of person, is reminded user to adjust sitting posture, is reported after distance adjustment is correct
It is alert to disappear, with should device reach it is preset using after the time, device can equally issue sound-light alarm, remind user that rest stops
Only use；This set activation of alarm and cancelbot being arranged inside entire vision protection device, can achieve and help user's myopia
The purpose of prevention.
The control button on device housing surface includes four function buttons, and the power switch button of power module is arranged in shell
The body rightmost side, includes a monolithic processor resetting key in the control button, and a program executes key, a numerical value increment key,
One numerical value decrement key；Such as parameter setting can be following numerical value by user, 20 centimetres of supersonic sounding be arranged first, then user
Device can then issue alarm when distance protection equipment is less than 20 centimetres, and setting light intensity is 20-76%, then when user is hidden with hand
Be in the light induction module when, will lead to insufficient light, device can issue alarm, with should extraneous light it is too strong when, device also can
Device is finally preset as 45 minutes using the time, and presses program and execute key by alarm, then after device uses 45 minutes
Alarm is then issued, user is prompted to stop using the rest for carrying out a period of time.
About specific structure of the present invention it should be noted that the mutual connection of each component models for using of the present invention is closed
System be it is determining, achievable, in addition to specified otherwise in embodiment, specific connection relationship can bring corresponding skill
Art effect, and based on not depending under the premise of corresponding software program executes, technical problem proposed by the present invention is solved, in the present invention
The component of appearance, module, the model of specific component, connection type belong to those skilled in the art in addition to illustrating
Member's prior arts such as the available publication arrived, published journal article or common knowledge before the applying date, are not necessarily to
It repeats, so that the technical solution that this case provides is clear, complete, achievable, and can reappear or obtain according to the technological means
Corresponding physical product.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. Multifunctional eyesight protecting apparatus, it is characterised in that: including device housing (1), the top of described device shell (1) is arranged
Have light sensing module (2), the front of described device shell (1) is provided with LCD display (3), the LCD display (3)
Downside is provided with ultrasonic distance measuring module (4) and sound and light alarm module (5), and the bottom of described device shell (1) is additionally provided with control
Key (6) processed and power module (7)；
Described device shell (1) is internally provided with control circuit board, is integrated with central controller in the control circuit board
(8), the central controller (8) is connected by conducting wire with LCD display (3), control button (6)；
The signal input part of the central controller (8) is connected with ultrasonic distance measuring module (4)；
The signal output end of the central controller (8) is connected with sound and light alarm module (5)；
The power input of the central controller (8) is connected with power module (7)；
The signal input part of the central controller (8) is also connected with AD conversion module (9), the AD conversion module (9) and light
The signal output end of line induction module (2) is connected；
The central controller (8) is also connected with wireless communication module (10), and the wireless communication module (10) passes through wireless network
Network is connected with monitor terminal (11).
2. Multifunctional eyesight protecting apparatus according to claim 1, it is characterised in that: make in the central controller (8)
Chip is control chip U1, and chip used in the AD conversion module (9) is conversion chip U2；
The circuit structure of the central controller (8) are as follows:
1 foot to 3 feet, 32 feet to 39 feet of the control chip U1 are connected with the signal input part of LCD display (3)；
4 feet of the control chip U1 are connected with sound and light alarm module (5), after the 4 foot series resistor R1 of the control chip U1
It is connected with the base stage of triode Q1, the emitter of the triode Q1 is connected with VCC power input, the collection of the triode Q1
It is connected behind one end of electrode and connecting resistance R4 with the positive terminal of buzzer B1, the other end and light emitting diode D1 of the resistance R4
Anode be connected, the cathode of the Light-Emitting Diode D1 is simultaneously grounded after connecing the negative pole end of buzzer B1；
It is described control chip U1 5 feet, 6 feet, 7 feet be connected with AD conversion module (9), it is described control chip U1 5 feet with turn
1 foot for changing chip U2 is connected；
6 feet of the control chip U1 are connected with 7 feet of conversion chip U2；
It is connected after 7 feet for controlling chip U1 and 5 feet for meeting conversion chip U2 with 6 feet of conversion chip U2；
8 feet of the conversion chip U2 are connected with VCC power input；
It is connected behind 2 feet of the conversion chip U2 and one end of connecting resistance R6 with one end of photo resistance GR1, the photo resistance
The other end of GR1 is connected with VCC input power, the other end ground connection of the resistance R6；
9 feet of the control chip U1 are connected with reset circuit, and 9 feet of the control chip U1 and one end of connecting resistance R3 have
It is connected after the cathode of electrode capacitance C1 with one end of reset switch S1, the other end of the reset switch S1 is simultaneously connected to electrode capacitance C1's
It is connected after anode with VCC input power, the other end ground connection of the resistance R3；
12 feet, 13 feet of the control chip U1 are connected with ultrasonic distance measuring module (4)；
15 feet, 16 feet, 17 feet of the control chip U1 are connected with control button (6)；
It is connected behind 18 feet for controlling chip U1 and the one end for meeting crystal oscillator Y1 with one end of capacitor C2, the control chip U1's
19 feet are simultaneously connected after connecing the other end of crystal oscillator Y1 with one end of capacitor C3, and the other end shunt-wound capacitance C3's of the capacitor C2 is another
It is grounded behind end；
21 feet, 22 feet of the control chip U1 are connected with wireless communication module (10).
3. Multifunctional eyesight protecting apparatus according to claim 2, it is characterised in that: in the wireless communication module (10)
The chip used is wireless communication chips U3, the circuit structure of the wireless communication module (10) are as follows:
4 feet, 5 feet of the wireless communication chips U3 are connected with central controller (8)；
7 feet of the wireless communication chips U3 connect 3.3V input power；
8 feet of the wireless communication chips U3 are grounded；
9 feet of the wireless communication chips U3 and the one end for meeting crystal oscillator X1, one end phase behind one end of resistance R11 with capacitor C11
Even, the other end ground connection of the capacitor C11；
10 feet of the wireless communication chips U3 and the other end for meeting crystal oscillator X1, after the other end of resistance R11 with capacitor C12 one
End is connected, the other end ground connection of the capacitor C12；
One end of 11 feet of the wireless communication chips U3 successively shunt-wound capacitance C13, behind one end of capacitor C14 with inductance L3 one
End is connected, and the other end of described capacitor C13, C14 are grounded；
12 feet of the wireless communication chips U3 and the one end for meeting inductance L2, the other end behind one end of capacitor C15 with inductance L3
It is connected, the other end ground connection of the capacitor C15；
13 feet of the wireless communication chips U3 and the other end for meeting inductance L2, one end behind one end of capacitor C16 with inductance L1
It is connected, the other end of the inductance L1 is connected with one end of capacitor C17, and the one of the other end shunt-wound capacitance C18 of the capacitor C17
End is followed by communication antenna E1, and the other end of described capacitor C16, C18 are grounded；
14 feet of the wireless communication chips U3 are grounded；
15 feet of the wireless communication chips U3 and 18 feet for meeting wireless communication chips U3, one end of capacitor C20, capacitor C19's
One end is followed by 3.3V input power, and the other end of described capacitor C20, C19 are grounded；
16 feet of the wireless communication chips U3 are connected with one end of resistance R12；
It is grounded after 17 feet of the wireless communication chips U3 and the other end of connecting resistance R12；
19 feet of the wireless communication chips U3 are connected with one end of capacitor C21；
It is grounded after the other end of the 20 foot shunt-wound capacitance C21 of the wireless communication chips U3.
4. Multifunctional eyesight protecting apparatus according to claim 3, it is characterised in that: used in the power module (7)
Chip be voltage-stablizer U4, the circuit structure of the power module (7) are as follows:
One end of the 3 foot shunt-wound capacitance C22 of the voltage-stablizer U4 is followed by 5V input power, and 2 feet of the voltage-stablizer U4 simultaneously connect electricity
Hold one end of C23, one end of capacitor C24 is followed by 3.3V power output end, and the 1 foot shunt-wound capacitance C22's of the voltage-stablizer U4 is another
One end, the other end of capacitor C23 are grounded after the other end of capacitor C24.
5. Multifunctional eyesight protecting apparatus according to claim 4, it is characterised in that: the model of the control chip U1
STC89C52；
The model ADC0832 of the conversion chip U2；
The model NRF24L01 of the wireless communication chips U3；
The model SPX1117 of the voltage-stablizer U4；
The model LCD1602 of the LCD display (3)；
The model HC-RS04 of the ultrasonic distance measuring module (4).
6. the application method of Multifunctional eyesight protecting apparatus, characterized by the following steps:
Step 1: device housing (1) is placed on the table, makes device housing (1) apart from user's body fixed range, simultaneously
Make the light sensing module (2) being arranged on device housing (1) that the photometric data of desktop environment can be collected；
Step 2: user's device for opening power supply, device built-in system initializes, and after initialization, user can be with
Successively set by operation control button (6) light intensity data upper limit value and lower limit value, with eye maximum duration, body and super
The lower limit value of sound ranging module range data；After above-mentioned parameter is set, the program execution of operation control button (6) is pressed
Key, device start to monitor user's eye condition；
Step 3: when there is the light intensity in user's eye-using environment greater than preset upper limit value, or being less than lower limit value, light sense
Module (2) is answered to there is abnormal, center control by the light data that AD conversion module (9) is arrived to central controller (8) feedback collection
Device (8) processed will send alarm signal to sound and light alarm module (5) and trigger sound-light alarm；User needs to be shone according to specific light at this time
It penetrates situation to adjust accordingly, so that light sensing module (2) is collected the light intensity data for meeting parameter preset, make acousto-optic report
Alert module (5) stop alarm；
When user's learning time being more than preset use eye maximum duration, central controller (8) will be sent out to sound and light alarm module (5)
Alarm signal is sent to trigger sound-light alarm；User needs to carry out the rest of a period of time at this time, while readjusting a setting new round
With eye maximum duration, make sound and light alarm module (5) stop alarm；
When ultrasonic distance measuring module (4) distance for user's body and device occur is less than preset lower limit value, ultrasonic distance measurement
There is exception in the range data that module (4) is arrived to central controller (8) feedback collection, central controller (8) will be to sound-light alarm
Module (5) sends alarm signal and triggers sound-light alarm；User needs to allow body far from (4) one spacing of ultrasonic distance measuring module at this time
From making ultrasonic distance measuring module (4) collect the range data for meeting parameter preset, make sound and light alarm module (5) stop alarm；
Step 4: when user makes above-mentioned adjustment, after realizing control sound and light alarm module (5) stop alarm, vision protection device
Process is monitored into new round eye condition, continues to be supervised in real time to eye light environment, between at the moment, with eye range data
Control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910517977.3A CN110148287A (en) | 2019-06-14 | 2019-06-14 | Multifunctional eyesight protecting apparatus and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517977.3A CN110148287A (en) | 2019-06-14 | 2019-06-14 | Multifunctional eyesight protecting apparatus and its application method |
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| CN110148287A true CN110148287A (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110782635A (en) * | 2019-10-26 | 2020-02-11 | 深圳市童心造物科技有限公司 | Eyesight protection system and using method thereof |
| CN113189924A (en) * | 2021-06-04 | 2021-07-30 | 邝利霞 | Control circuit of vision protection device for ophthalmologic patient |
| WO2021253559A1 (en) * | 2020-06-15 | 2021-12-23 | Designa Inc. | A signal driven light-emitting e-sports table |
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| CN203552429U (en) * | 2013-11-25 | 2014-04-16 | 朱琨 | Multifunctional eyesight protector |
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| CN109389810A (en) * | 2018-11-09 | 2019-02-26 | 方涛 | A kind of protection eyes device |
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| CN102592403A (en) * | 2012-02-27 | 2012-07-18 | 东华理工大学 | Microcomputer eyesight protecting voice prompter |
| CN203552429U (en) * | 2013-11-25 | 2014-04-16 | 朱琨 | Multifunctional eyesight protector |
| CN106781324A (en) * | 2017-01-09 | 2017-05-31 | 海南易成长科技有限公司 | Vertebra system for prompting and light fixture are protected in a kind of eyeshield |
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| CN113189924A (en) * | 2021-06-04 | 2021-07-30 | 邝利霞 | Control circuit of vision protection device for ophthalmologic patient |
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