CN2868183Y

CN2868183Y - Intelligent eyesight protector

Info

Publication number: CN2868183Y
Application number: CN 200620039065
Authority: CN
Inventors: 杨宏军
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-19
Filing date: 2006-01-19
Publication date: 2007-02-14
Anticipated expiration: 2016-01-19

Abstract

This utility model relates to the field of eye protection appliances, specifically to an intelligent eye protection appliance, characterized in that: the input ports of an ultrasonic pulse transmission unit, a warning circuit, a infrared remote control transmission unit, and a digital display unit are all connected to the data bus of a singlechip; the output port of a ultrasonic pulse receiving unit is connected to the external interrupt port of the singlechip; the control port of the DSP speech synthesis unit, the output port of the sensing circuit and the output port of the infrared remote control receiving circuit are all connected to the data bus of the singlechip; the input port of the eye chart display circuit is connected to the data port of the singlechip. Compared to the prior arts, the utility model has advantages of small volume, convenience for carrying and use. When students read and write or use computers, it's able to automatically detect the distance between the eyes and the object of observation, to analyze the situation and make alarms accordingly, to automatically remind students of ocular gymnastics, and it further has such functions as warning when light is too dim, automatic detection and vision evaluation.

Description

The intelligence vision protector

[technical field]

This utility model relates to the vision protector technical field, and specifically a kind of student eyesight keeps healthy and detects incorporate intelligent vision protector.

[background technology]

In recent years, the science and technology innovation and development is swift and violent, the content of student's study constantly increases, eyes enter the most important channel of brain as information, overburden, causes the student eyesight level constantly to descend, and particularly the child uses not science of eye, cause pseudomyopia, and then develop into permanent near-sighted ratio and obviously promote.Computer utility more and more widely, the child uses computer learning and training for a long time, and is very big to eyes infringements.And do not have dependable performance student's eye protection product easy to use on the market yet, particularly do not have to have student's eye hygiene is monitored automatically, and have the comprehensive vision care product of the automatic measuring ability of vision.A lot of heads of a family find that child's eyes have problem myopia late.So the eye protection health promoting product that the comprehensive intelligent type is provided is the big problem that is related to vast student eyesight health.

[summary of the invention]

The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of intelligent vision protector is provided, and is used to detect position and the sighting distance of child when reading study, and by voice student eyesight protection and learning state is reasonably pointed out; Simultaneously, have learning time record and eye exercises playing function, the intensity of illumination detection alarm function of academic environment; Also can use this device and can realize the automatic test and the vision assessment of vision.

For achieving the above object, the utility model proposes a kind of intelligent vision protector, comprise the detection controller, remote controlled test chart, housing, it is characterized in that described detection controller, comprise single-chip microcomputer, the ultrasonic pulse transmitter unit, the ultrasonic pulse receiving element, DSP phonetic synthesis unit, digital display unit, the infrared remote coding transmitter unit, testing circuit, warning circuit, the inner burning monitoring programme of single-chip microcomputer, the ultrasonic pulse transmitter unit, warning circuit, the input of Infrared Remote-Control Sending unit and digital display unit all is connected with the data/address bus of single-chip microcomputer, the outfan of ultrasonic pulse receiving element is connected with the external interrupt port of single-chip microcomputer, the unitary control end of DSP phonetic synthesis is connected with the data/address bus of single-chip microcomputer, and the outfan of testing circuit is connected with the data/address bus of single-chip microcomputer; Described remote controlled test chart is made up of single-chip microcomputer, infrared remote control receiving circuit and visual acuity chart display circuit, and the outfan of infrared remote control receiving circuit is connected with the data/address bus of single-chip microcomputer, and the input of visual acuity chart display circuit is connected with the FPDP of single-chip microcomputer.

Detecting controller single-chip microcomputer wherein, is the core component that detects controller, and there is control software single-chip microcomputer inside; The pulse code signal that the ultrasonic pulse transmitter unit produces single-chip microcomputer carries out shaping, processing and amplifying and emission; The exomonental close echo that the ultrasonic pulse receiving element will receive, carry out processing and amplifying after, and give single-chip microcomputer, DSP phonetic synthesis unit is by the synthetic and output of Single-chip Controlling voice; The numerical information of digital display unit display system; The infrared emission coded signal that the Infrared Remote-Control Sending unit produces single-chip microcomputer is handled and is launched; Testing circuit is used for sense switch information, receives the information of light-sensitive device, for single-chip microcomputer provides detection information; Described warning circuit when system need report to the police, receives warning message, makes luminous and alarm signal buzzing; Vision detection and automatic assessment are finished by testing circuit and automatic assessment software, and information is judged in testee's test, is input to testing circuit by switch, and testing circuit is delivered to single-chip microcomputer and carried out analyzing and processing, and evaluates last vision level.

Described detection controller mainly can be finished following function:

1,, and changes according to student's sitting posture and seat and to carry out intelligent prompt and audio alert to the monitoring in real time of student with an eye sighting distance;

2, has the learning time writing function;

3, have automatic prompting, broadcast eye exercises music function;

4, has the automatic detection alarm function of illumination;

5, personnel leave and have automatic shutdown function;

6, has automatic eyesight testing evaluation function.

The function that described remote controlled test chart is mainly finished:

1, receives the infrared remote control pulse signal;

2, data decode, analyzing and processing data and show content corresponding.

This utility model is compared with prior art, novel structure, simple, volume is little, portably uses conveniently, adopts single-chip microcomputer, fuzzy control, ultrasonic pulse range finding, infrared remote control, speech processes, digital Display Technique, can detect the student automatically when reading a book, writing or using computer, distance between the eyes and the object of observation, the market of going forward side by side condition are analyzed and are reported to the police, and eye exercises are done in prompting automatically, and there have illumination to cross internal quotation to be alert, detects and assess functions such as vision automatically.

[description of drawings]

Fig. 1 is detection controller principle figure of the present utility model.

Fig. 2 is an infrared remote control visual acuity chart schematic diagram of the present utility model.

Referring to Fig. 1, Fig. 2,1 is the ultrasonic pulse receiving element, and 2 is digital display unit, and 3 is DSP phonetic synthesis unit, 4 is warning circuit, and 5 is testing circuit, and 6 is the ultrasonic pulse transmitter unit, 7 is the infrared remote coding transmitter unit, and 8 is the infrared remote control receiving circuit, and 9 is the visual acuity chart display circuit.

[specific embodiment]

Referring to Fig. 1, single-chip microcomputer adopts 51 series; In the ultrasonic pulse receiving element, receiving sensor M1 outfan connects resistance R 1, R6, R9, R2, capacitor C 2 and audion Q2 and constitutes the pre-amplification circuit that receives, signal by C5 deliver to U1 and resistance R 3, R10, R11 do further processing and amplifying, deliver to single-chip microcomputer U5 then; Single-chip microcomputer U5 resolves corresponding distance with the fuzzy algorithmic approach analysis, and when detecting the student and read a book hypotelorism, D1 is glittering for single-chip microcomputer U5 command range alarm lamp, and buzzer LS sends alarm sound simultaneously.In the ultrasonic pulse transmitter unit, emission sensor M2 input connects the VSS end of audion Q7, resistance R 20, capacitor C 6 and single-chip microcomputer U5, coded pulse by single-chip microcomputer U5 generation, deliver to capacitor C 6, resistance R 19 is carried out shaping, deliver to audion Q7 then and amplify the back by emission sensor M2 emission output; Digital display unit is that single-chip microcomputer U5 is produced timing signal, and by decoder U2, decoding drives and delivers to charactron U4 Display Realization again.U3 is the DSP sound-compound-circuit, and built-in power amplifies, and directly drives output sound; Q8 is a light-sensitive element, be subjected to illumination after, resistance changes, and crosses when dark when light, detects level and has just become high level, so that single-chip microcomputer U5 starts warning circuit D0 lamp is bright, audio alert output is arranged simultaneously.

When detecting controller and detect switch S 1 and press, system start-up vision measuring ability, vision detection this moment display lamp D2 flashes, at this moment, single-chip microcomputer U5 produces coded pulse, output is delivered to audion Q3 infrared emission circuit through resistance R 14, and by the pulse of D3 emission infrared coding, signal uses for the demonstration of infrared automatic reception demonstration visual acuity chart.Voice suggestion is arranged this moment, select the direction of test character, and select Push switch S2, S3, S4, S5 (representing upper and lower, left and right respectively), at this moment, single-chip microcomputer U5 system writes down automatically, also analyzes mistake; Repeat this process, finish the test of visual acuity chart delegation, single-chip microcomputer U5 result that analysis is recorded then, decision is to finish or continue the test next line, obtains the result of tested vision up to EOT.

Referring to Fig. 2, infrared remote control shows that automatically visual acuity chart is to be accepted by detecting the infrared encoded signal that controller is sent by D9, deliver to audion Q1 and carry out processing and amplifying through resistance R 4, R8, R12, capacitor C 1, deliver to the further processing and amplifying of operational amplifier U3 by capacitor C 3 then and deliver to single-chip microcomputer, wherein resistance R 14 is feedback resistances, single-chip microcomputer U4 analyzes whether the signal of receiving is useful signal, if effective visual acuity chart shows signal, single-chip microcomputer U4 exports shows signal, makes the luminous demonstration in corresponding visual acuity chart position; This technology concerning those skilled in the art still more clearly.

Claims

1. intelligent vision protector, comprise the detection controller, remote controlled test chart, housing, it is characterized in that described detection controller, comprise single-chip microcomputer, the ultrasonic pulse transmitter unit, the ultrasonic pulse receiving element, DSP phonetic synthesis unit, digital display unit, the infrared remote coding transmitter unit, testing circuit, warning circuit, the inner burning monitoring programme of single-chip microcomputer, the ultrasonic pulse transmitter unit, warning circuit, the input of Infrared Remote-Control Sending unit and digital display unit all is connected with the data/address bus of single-chip microcomputer, the outfan of ultrasonic pulse receiving element is connected with the external interrupt port of single-chip microcomputer, the unitary control end of DSP phonetic synthesis is connected with the data/address bus of single-chip microcomputer, and the outfan of testing circuit is connected with the data/address bus of single-chip microcomputer; Described remote controlled test chart is made up of single-chip microcomputer, infrared remote control receiving circuit and visual acuity chart display circuit, and the outfan of infrared remote control receiving circuit is connected with the data/address bus of single-chip microcomputer, and the input of visual acuity chart display circuit is connected with the FPDP of single-chip microcomputer.