CN2441437Y

CN2441437Y - Detector for defect of children attention

Info

Publication number: CN2441437Y
Application number: CN 00218646
Authority: CN
Inventors: 周坤元; 汪志毅; 叶晓刚
Original assignee: SHANGHAI INSTRUMENT RESEARCH INSTITUTE
Current assignee: SHANGHAI INSTRUMENT RESEARCH INSTITUTE
Priority date: 2000-08-01
Filing date: 2000-08-01
Publication date: 2001-08-08
Anticipated expiration: 2010-08-01

Abstract

The utility model relates to a detector for the defect of children attention, which comprises a test probe, a box body, a recorder, a control keyboard, a transformer positioned in the box body, a regulated power supply and a driving and speed changing device. The utility model is characterized in that a CPU, a D/A converter, a first power amplifier, an operational amplifier, a second power amplifier, a position feedback amplifier, a heat pen control unit and a row type light spot display are also arranged in the box body. The utility model uses the test probe to track the departure degree of an electric variation curve of eye muscle physiology and a standard reference signal curve when a child stares at three sorts of different light spot signals, and is capable of correctly diagnosing whether the child suffers hyperactivity symptom or not and the degree thereof.

Description

Child attention defect test instrument

This utility model relates to a kind of medical diagnostic equipment, relates in particular to a kind of child attention defect test instrument.

At present, childhood hyperkinetic syndrome medically is being called as attention deficit disorder, and infant is often because of the absent minded learning difficulty that causes, and achievement descends, so very important to sick child's diagnoses and treatment.But still do not have objective diagnostic means at present, clinically still continue to use the infant performance that teacher, head of a family oral account provides, do not have special testing and diagnosing instrument, thereby diagnostic result often lacks the foundation of science, cause the accuracy of diagnostic result to be difficult to guarantee.

The purpose of this utility model is to provide a kind of child attention defect test instrument, scientifically diagnoses the child whether to suffer from the degree of the hyperkinetic syndrome and the state of an illness thereof by this instrument, thereby suits the remedy to the case, and reaches the effect of curing infant.

The purpose of this utility model is achieved like this, a kind of child attention defect test instrument, it comprises test probe, casing, be positioned at the recorder on the casing, supervisory keyboard, and be positioned at the intravital transformator of case, the regulated power supply that links to each other with transformator, the driving speed change gear that links to each other with recorder, described recorder contains two first pens and second pen, it is characterized in that, in described casing, also be provided with: CPU, it links to each other with supervisory keyboard, carry out man-machine interaction by described supervisory keyboard, generate speed change or at the uniform velocity or maintain static the row's light movable signal and the sine wave of state, or triangular wave, or the motion track signal of fixation point, and output; D/A, it links to each other with CPU, receives the motion track digital signal of CPU output, this digital signal is converted to analogue signal, and exports this analogue signal; First power amplifier, it links to each other with D/A, receives the standard analog signal of D/A output, carries out power amplification, and draws with first pen of the described recorder of signal controlling after amplifying; Operational amplifier, it comprise the calibration controller, with the interference rejective amplifier of calibrating the preamplifier that controller is connected, the post amplifier that is connected with preamplifier, being connected with post amplifier, and link to each other with described test probe, supervisory keyboard, the eye muscle electro-physiological signals that the luminous point that child's eye tracking row formula luminous point display that reception obtains from test probe shows is produced when moving and the calibration signal of supervisory keyboard are amplified output with this two signal; Second power amplifier, it links to each other with operational amplifier, receive the tracking electro-ocular signal signal and the calibration signal of operational amplifier output, carry out power amplification, and second pen of controlling described recorder with tracking electro-ocular signal after amplifying and calibration signal and be synchronized with first pen and draw; The position feedback amplifier, it links to each other with second power amplifier, receives the signal of described second power amplifier output, electro-ocular signal is carried out damping handle, and signal feedback to the second power amplifier after the processing is to guarantee to write rapidly correctness; A heat control unit, it links to each other with described transformator, controls the temperature of first pen and second pen, makes the line of the required thickness and the depth that draws, and control signal is transferred to described recorder; Row's formula luminous point display, it is arranged on the surface of described casing, links to each other with CPU, receives the control of CPU, with speed change or at the uniform velocity or fixed state, and keep showing that row's light movable signal and the first pen graphing are synchronous; Wherein: described regulated power supply links to each other with CPU, D/A, control panel, operational amplifier, first power amplifier, second power amplifier and driving speed change gear respectively, powers.

Adopted above-mentioned technical solution, promptly follow the tracks of the child when staring by test probe, the change curve of its eye muscle physiology electricity and the departure degree of reference signal standard curve, can accurately and objectively diagnose this child whether to suffer from hyperkinetic syndrome and degree thereof, simultaneously, the data that utilization records can compare, and determine the symptom degree, and test is to human zero damage, quick, reliable.

Fig. 1 is a circuit block diagram of the present utility model;

Fig. 2 is the electrical interconnection figure of CPU of the present utility model and D/A;

Fig. 3 is the electrical interconnection figure of operational amplifier of the present utility model;

Fig. 4 is the electrical interconnection figure of first power amplifier of the present utility model;

Fig. 5 is the electrical interconnection figure of a heat of the present utility model control unit,

As shown in Figure 1, this utility model child attention defect test instrument, the driving speed change gear 6 that it comprises test probe 1, casing, be positioned at recorder 2, the supervisory keyboard 3 on the casing and be positioned at the intravital transformator 4 of case, the regulated power supply 5 that links to each other with transformator 4, link to each other with recorder 2, described recorder 2 contains two first pens and second pen, be characterized in, in described casing, also be provided with:

CPU 7, it links to each other with supervisory keyboard 3, carries out man-machine interaction by described supervisory keyboard 3, generates speed change or at the uniform velocity or maintain static the row's light movable signal of state and the motion track signal of sinusoidal wave or triangular wave or fixation point and output;

D/A 8, it links to each other with CPU 7, receives the motion track digital signal of CPU 7 outputs, this digital signal is converted to analogue signal, and exports this analogue signal;

First power amplifier 9, it links to each other with D/A 8, receive the standard analog signal of D/A 8 outputs, carry out power amplification, and draw with first pen of the described recorder 2 of signal controlling after amplifying, as shown in Figure 4, its adopts secondary power amplifying circuit, mainly formed X6-15 in its input X4-5 map interlinking 2 and X6-16 end by chip SF404 and some resistance, electric capacity, potentiometer and inductance;

Operational amplifier 10, it comprises calibration controller 101, the preamplifier 102 that is connected with calibration controller 101, the post amplifier 103 that is connected with preamplifier 102, the interference rejective amplifier 104 that is connected with post amplifier 103, it and described test probe 1, supervisory keyboard 3 links to each other, the eye muscle electro-physiological signals that the luminous point that child's eye tracking row formula luminous point display that reception obtains from test probe 1 shows is produced when moving and the calibration signal of supervisory keyboard 3, this two signal is amplified output, as shown in Figure 3, it adopts the symmetric integral circuit, use little signal, the field effect transistor of big impedance is that prime is amplified, by some resistance R, capacitor C, audion r, relay K, diode and potentiometer RP form, wherein footnote 1,2,11 connect supervisory keyboard, footnote X7 connects test probe, footnote 16 connects regulated power supply, footnote 15 connects second power amplifier, and footnote 13 connects regulated power supply;

Second power amplifier 11, it links to each other with operational amplifier 10, receive the tracking electro-ocular signal signal and the calibration signal of operational amplifier 10 outputs, carry out power amplification, and second pen of controlling described recorder 2 with tracking electro-ocular signal after amplifying and calibration signal and be synchronized with first pen and draw, as shown in Figure 4, it adopts and the same circuit of first power amplifier;

Position feedback amplifier 12, it links to each other with second power amplifier 11, receive the signal of described second power amplifier 11 outputs, electro-ocular signal is carried out damping to be handled, signal feedback to the second power amplifier 11 after the processing, guaranteeing to write rapidly correctness, its adopts the conventional line that overdamp and underdamping signal are handled;

A heat control unit 13, it links to each other with described transformator 4, control the temperature of first pen and second pen, make the line of the required thickness and the depth that draws, and control signal is transferred to described recorder 2, as shown in Figure 5, it obtains the 5.5V alternating current from transformator 4, changes the electric current of pen by regulator potentiometer RP;

Row's formula luminous point display 14, it is arranged on the surface of described casing, link to each other with CPU 7, receive the control of CPU 7, with speed change or at the uniform velocity or fixed state, and the light movable signal is arranged in the maintenance demonstration and the first pen graphing is synchronous, and generally it can be formed in parallel by 84 light emitting diodes;

Wherein: described regulated power supply links to each other with CPU 7, D/A 8, control panel 3, operational amplifier 10, first power amplifier 9, second power amplifier 11 and driving speed change gear 6 respectively, powers.As shown in Figure 2, described CPU and D/A, they mainly adopt integrated chip to have: 8031CPU, 27128ROM, 74244 drivers, 74138,74154 decoders, 0832 digital converter and 324 amplifiers are formed, footnote V1～V96 formula Electro-Optical Display that runs in wherein, footnote X6-8～X6-12 connects supervisory keyboard, and footnote X615～X6-16 connects first power amplifier.

Claims

1. child attention defect test instrument, the driving speed change gear that it comprises test probe, casing, be positioned at recorder, the supervisory keyboard on the casing and be positioned at the intravital transformator of case, the regulated power supply that links to each other with transformator, link to each other with recorder, described recorder contains two first pens and second pen, it is characterized in that, in described casing, also be provided with:

CPU, it links to each other with supervisory keyboard, carries out man-machine interaction by described supervisory keyboard, generates speed change or at the uniform velocity or maintain static the row's light movable signal of state and the motion track signal of sinusoidal wave or triangular wave or fixation point and output;

D/A, it links to each other with CPU, receives the motion track digital signal of CPU output, this digital signal is converted to analogue signal, and exports this analogue signal;

First power amplifier, it links to each other with D/A, receives the standard analog signal of D/A output, carries out power amplification, and draws with first pen of the described recorder of signal controlling after amplifying;

Operational amplifier, it comprise the calibration controller, with the interference rejective amplifier of calibrating the preamplifier that controller is connected, the post amplifier that is connected with preamplifier, being connected with post amplifier, and link to each other with described test probe, supervisory keyboard, the eye muscle electro-physiological signals that the luminous point that child's eye tracking row formula luminous point display that reception obtains from test probe shows is produced when moving and the calibration signal of supervisory keyboard are amplified output with this two signal;

Second power amplifier, it links to each other with operational amplifier, receive the tracking electro-ocular signal and the calibration signal of operational amplifier output, carry out power amplification, and second pen of controlling described recorder with tracking electro-ocular signal after the amplification and calibration signal and be synchronized with first pen and draw;

The position feedback amplifier, it links to each other with second power amplifier, receives the signal of described second power amplifier output, electro-ocular signal is carried out damping handle, and signal feedback to the second power amplifier after the processing is to guarantee to write rapidly correctness;

A heat control unit, it links to each other with described transformator, controls the temperature of first pen and second pen, makes the line of the required thickness and the depth that draws, and control signal is transferred to described recorder;

Row's formula luminous point display, it is arranged on the surface of described casing, links to each other with CPU, receives the control of CPU, with speed change or at the uniform velocity or fixed state, and keep showing that row's light movable signal and the first pen graphing are synchronous;

Wherein: described regulated power supply links to each other with CPU, D/A, control panel, operational amplifier, first power amplifier, second power amplifier and driving speed change gear respectively, powers.