CN202036199U

CN202036199U - Self-service intelligent vision test system

Info

Publication number: CN202036199U
Application number: CN2011200459550U
Authority: CN
Inventors: 董宇晨; 夏俊晨; 周游; 李庆利
Original assignee: East China Normal University
Current assignee: East China Normal University
Priority date: 2011-02-24
Filing date: 2011-02-24
Publication date: 2011-11-16
Anticipated expiration: 2021-02-24

Abstract

The utility model discloses a self-service intelligent vision test system, which comprises a remote controller, a displayer, a box-shaped package and a server. An embedded industrial main board and an infrared ray receiving device are arranged inside the box-shaped package. An infrared ray receiver arranged on the infrared ray receiving device is exposed outside the box-shaped package. The infrared ray receiving device is connected with the embedded industrial main board through a serial port. A universal serial bus (USB) port and a power supply interface are arranged on the embedded industrial main board which is connected with the displayer through the USB port. The box-shaped package is connected with the server through the network. The self-service intelligent vision test system is based on the embedded system automatic control technology and a novel high quality light-emitting diode (LED), uses modularization design modes, utilizes a visual basic (VB). NET program on a Windows consumer electronics (CE) platform, and combines the wireless data transmission technology, thereby having high intelligence, flexibility and accuracy especially in summary and analysis of obtained data results and being very suitable for using widely in hospitals and large physical examination organizations.

Description

The self-help intelligent vision testing system

Technical field

This utility model relates to electronic technology field, specifically a kind of self-help intelligent vision testing system.

Background technology

Test near and distance in all kinds of health check-ups of China is a requisite content at present, the most number average of test near and distance adopts traditional logarithmic visual acuity chart, rely on and manually carry out related assays, when running into numerous situation such as army's health check-up, student's health check-up, there is the problem that determination efficiency is low, accuracy is not high in the tradition test near and distance, also is not easy to the survey data are added up and correlation analysis simultaneously.In view of this present situation, according to the principle of domestic popular standard logarithmic visual acuity chart, design self-help intelligent vision testing system.

The utility model content

The purpose of this utility model is a kind of self-help intelligent vision testing system that provides at the problem of prior art existence, and this system can avoid the interference of anthropic factor well, guarantees the objectivity and the fairness of test result; It not only can provide multiple test near and distance scheme, can also carry out the statistics and the corresponding report printing of various ways to the result of test near and distance; Carry out clear and definite rights management with the data base the most at last, all information all are stored among the data base, after test finishes, can classify to data easily and gather and every statistics.

The concrete technical scheme that realizes this utility model purpose is:

A kind of self-help intelligent vision testing system, characteristics are that this system comprises: remote controller, display, the encapsulation of box type and server are provided with built-in industrial mainboard and infrared receiving device in the described box type encapsulation; Infrared receiving terminal on the infrared receiving device exposes outside the encapsulation of box type, infrared receiving device is connected with the built-in industrial mainboard by serial ports, the built-in industrial mainboard is provided with USB interface and power interface, and the built-in industrial mainboard is connected with display by USB interface; The encapsulation of box type is connected with server by network; The remote controller front end is provided with emitting diode, panel is provided with directionkeys, determines key and Pause key.

The beneficial effects of the utility model are:

Use of the present utility model can improve the intelligent of test near and distance, reduce the interference of each link anthropic factor to greatest extent, when having saved manpower also standard the eyesight testing program, avoided the practise fraud generation of situation of operator, be adapted at hospital and large-scale health check-up mechanism promotes the use of.Simultaneously, this utility model also can place the vision testing system of street corner as the unmanned formula, just can detect own eyesight status after user is inserted coins.

Description of drawings

Fig. 1 is this utility model structural representation;

Fig. 2 is this utility model box type encapsulating structure block diagram;

Fig. 3 is this utility model remote controller structural representation;

Fig. 4 is the structured flowchart of this utility model infrared receiving device;

Fig. 5 is this utility model serial interface unit catenation principle figure;

Fig. 6 is the circuit theory diagrams of the single-chip microcomputer 89S52 chip minimum system in this utility model infrared receiving device;

Fig. 7 is an infrared signal receiving circuit schematic diagram in this utility model infrared receiving device;

Fig. 8 is infrared signal receiving key circuit theory diagrams in this utility model infrared receiving device;

Fig. 9 is power circuit principle figure in this utility model infrared receiving device.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is described in detail.

Consult Fig. 1, this utility model IR remote controller 7 is a transmitting terminal, and box type encapsulation 4 is a receiving terminal, and the encapsulation 4 of box type is connected with liquid crystal display 2 by USB interface 3; Box type encapsulation 4 is connected with server 8 by network; The server end that comprises host side and expansion among Fig. 1.In host side, user carries out selection operation by IR remote controller 7, and information is sent by the infrared-emitting diode on the remote controller 76; Infrared receiving terminal 5 received signals on the infrared receiving device 12 in the box type encapsulation 4, data are transferred to display standard sighting target figure 1 on the LCD screen 2 by USB interface 3 with output information after treatment, and the gained result finally uploads onto the server 8; Finally can carry out the analysis and the statistics of data at server 8 ends.

Consult Fig. 2, be provided with in the box type encapsulation 4 and embed industrial master board 10 and infrared receiving device 12; Infrared receiving device 12 is connected with built-in industrial mainboard 10 by serial ports 11, and the infrared receiving terminal 5 in the infrared receiving device 12 exposes outside box-like encapsulation.Built-in industrial mainboard 10 is connected with LCD screen 2 by USB interface 3, and extension goes out power interface 9.

Consult Fig. 3, the directionkeys 13 of tester by remote controller 7, determine that the operation of key 14, Pause key 15 realizes selecting, signal is sent by the infrared-emitting diode 6 of remote controller front end.

Consult Fig. 4, in the infrared receiving device 12, the main devices of setting has crystal oscillator 20, S1 toggle switch 21, the single-chip microcomputer 89S52 chip 22 of PDIUSBD12

interface

16,1838B chip 17, MAX232 chip 18, RS232 serial line interface 19,11.0592MHz.The outfan V+ of PDIUSBD12 interface 16 links to each other with the Vcc interface of 1838B chip 17, MAX232 chip 18, RS232 serial line interface 19, S1 toggle switch 21, single-chip microcomputer 89S52 chip 22 as the Vcc on the plate, and power supply is provided.2 mouthfuls of 8 mouthfuls of connecting MAX232 chip 18 of RS232

serial line interface

19,3 mouthfuls of 7 mouthfuls of connecting MAX232 chip 18.The OUT mouth of 1838B chip 17 connects the P3.2 mouth of single-chip microcomputer 89S52 chip 22.11 mouthfuls of MAX232 chip 18 connect the P3.1 mouth of 89S52

chip

22,12 mouthfuls of connection P3.0 mouths.One end of S1 toggle switch 21 circuit connects the P3.0 mouth of single-chip microcomputer 89S52 chip 22.

Consult Fig. 5, RS232 serial line interface Unit 19 carry out level conversion by MAX232 chip 18, connect the USART interface of single-chip microcomputer 22, realize single-chip microcomputer 89S52 chip 22 and outside serial communication.

Consult Fig. 6, single-chip microcomputer 89S52 chip 22 constitutes minimum system, and system clock circuit is the crystal oscillator 20 of a 11.0592MHz, for single-chip microcomputer 22 provides external clock.

Consult Fig. 7,1838B chip 17 integrated circuits are realized the function of infrared receiving terminal 5, and the OUT mouth of 1838B chip 17 connects the USART interface of single-chip microcomputer 22, realize serial communication with single-chip microcomputer 22, and the signal that receives is transferred to single-chip microcomputer 22.

Consult Fig. 8, circuit one end connects dc source Vcc, and the other end connects the RXD mouth of single-chip microcomputer 21.Push And Release by S1 toggle switch 21 control infrared receiving circuits.LED luminous two takes over as the display lamp of opening, and protective resistance R4 is chosen for 5.1K, plays current limliting.

Consult Fig. 9, PDIUSBD12 interface 16 provides the dc source of 5V for the device on infrared receiving device 12 plates.

When this utility model specifically uses operation:

1) adopt serial communication, agreement is simple, transfer of data is stable, reliably.

2) stipulate that the tester holds remote controller and is in the sighting distance position, promptly determine the distance of people and screen.The manager specifically calculates the size of the sighting target that should show and parameters such as sighting target, sighting distance, testing algorithm is provided with generation corresponding standard sighting target figure by with reference to actual used standard sighting target.The direction of each sighting target occurs at random in the test process.

The editor of the practical situation optimizer during 3) according to the manual testing: press initiating key and test, on high quality displayer, show sighting target at random, judge the direction of sighting target, and select corresponding directionkeys by the measured.During beginning, sighting target flashes from big to small successively, and the measured can select concrete initial sighting target according to the practical situation of oneself; When continuous 5 measurements that directly jump to littler sighting target when correct occurring; When continuous 5 measurements that directly jump to bigger sighting target when wrong occurring; Have only 10 to 15 seconds waiting time between each is independently tested, overtime then is judged to be mistake.

4) further system has the test function of multiple sighting target: the motion picture of E type, C type, child's test etc. to adapt to different requirements, make system have better practicality.Simple sighting target is generated by Automatic Program, and the mode of directly calling picture is adopted in the realization of more complicated sighting target.

5) system monitors in real time to measured's action, and calculates testee's actual vision.According to the accuracy of the selected sighting target of tester, draw measured's actual test value at last, after the local storage of all information of test, all can upload among the data base according to the decision method of standard logarithmic visual acuity chart.After test finishes, the mass data of test gained is classified and gathered and every statistics.

Claims

1. self-help intelligent vision testing system, it is characterized in that this system comprises: remote controller (7), display (2), the encapsulation of box type (4) and server (8) are provided with built-in industrial mainboard (10) and infrared receiving device (12) in the described box type encapsulation (4); Infrared receiving terminal (5) on the infrared receiving device (12) exposes outside box type encapsulation (4), infrared receiving device (12) is connected with built-in industrial mainboard (10) by serial ports (11), built-in industrial mainboard (10) is provided with USB interface (3) and power interface (9), and built-in industrial mainboard (10) is connected with display (2) by USB interface (3); Box type encapsulation (4) is connected with server (8) by network.

2. vision testing system according to claim 1 is characterized in that remote controller (7) front end is provided with emitting diode (6), panel is provided with directionkeys (13), determines key (14) and Pause key (15).