CN2121729U - Multifunction studying machine - Google Patents

Abstract

The utility model discloses a multifunctional studying machine realizing the synchronization of characters, pictures, sound and images, and combining Chinese and foreign spelling, pinyin, Chinese character writing structure and other studying functions into integration, which comprises three portions of a circuit portion, a machinery portion and a learning pictures portion. The circuit comprises a pre-amplification circuit, a power amplification circuit, a motor drive control circuit, a channel selection control circuit, etc. A pickup magnetic head has a fourth channel. The machinery comprises the output of motive power gearshift, the reciprocal motion of the magnetic head and other machinery pictures made from paper or plastic plates. The machinery pictures are printed with various pictures, and Chinese and foreign words and record the relevant Chinese and foreign languages and other information. When the studying machine mutually acts, the magnetic head is driven by the driving mechanism to conduct relative reciprocating movement (the pictures are static) along the magnetic track of the sound track of the insert picture to read out the language information relevant to the contents of the pictures.

Description

Multifunction studying machine

The utility model relates to a kind of study multilingual, literal, figure, is used for the multi-functional aided education utensil of children's early stage normalization teaching and intelligence development.

Children's early education and intelligence development at present is many to be carried out under the teacher and the head of a family's leading.Science and the education of standard, the teacher and the head of a family's cultural quality height, the teaching means spectrum of advanced and science and in denying to determine the quality of early stage standardized education of children and intelligence development degree.Therefore various auxiliary implements emerge in an endless stream, and a kind of lead aircraft of reading is abroad arranged, and are that tape is sticked on the card edge that is printed on respective graphical, utilize roller to send fixed head card, and magnetic head picks up the speech signal of record, pronounce to read after amplifier amplifies.Domestic " the talking picture teaching aid " that 90203412 * number of patent application is arranged, this teaching aid has sound-track engraving apparatus to play sound tape, utilize its sound gap signal triggering machine, make machine send picture successively and reach teaching purpose, the picture of above utensil all is to move in face of the learner to occur, and it is loaded down with trivial details not to be that the picture rapid wear just is to use, re-reading being difficult for, though certain assisted learning effect is arranged, yet also exists a fly in the ointment.

The purpose of this utility model is to provide a kind of picture the motionless and multifunctional learning machine of sounding.It can provide the Received Pronunciation pronunciation to the user, more regular figure, and character script, penization structural order and lip synchronization, multi-subject knowledges such as arithmetic, geography, biology can also be learnt in foreign language in learning.It is a kind of aided education apparatus that helps to promote children's standardized education and tap intellectual resources that is easy to popularize simple in structure.

The purpose of this utility model is achieved in that

The multifunctional learning machine main body is made up of circuit and mechanical two parts, is introduced below in conjunction with accompanying drawing.

Learning machine when work, four sound channel magnetic head 1 are under the drive of its section body magnetic head worktable 3, be close to all at the uniform velocity to-and-fro movements of magnetic recording do on the picture, pick up the sound signal that is stored on the track part, sending into power amplifier after prime amplifier amplifies amplifies,, export the purpose of related content sound after the loudspeaker output sound relevant with image content reaches the insertion picture, prime amplifier divides two sound channels, at control circuit (ic chip ₁, IC ₂) control under take turns to operate.The first sound channel prime amplifier is by resistance R ₁, R ₂, R ₃, R ₄, R ₅, capacitor C ₁, C ₂, transistor BG ₁, BG ₂Form.The second sound channel prime amplifier is by resistance R 1 ', R2 ', R3 ', R ₄', R ₅', capacitor C ₁', C ₂', transistor BG ₁', BG ₂' form.Resistance R ₆, R ₆' be the mixing output resistance of two sound channel prime amplifiers.Power amplifier is by volume control potentiometer W ₁Capacitor C ₃, C ₄, C ₅, electric cloudy R ₇, integrated circuit (IC) ₃(TDA2822M) form.Motor-driven and sound channel control, the sound channel display circuit is by 555 time-base integrated circuit IC ₁, IC ₂, transistor BG ₃, BG ₄, BG ₅, BG ₆, light emitting diode D ₁, D ₂, resistance R ₈, R ₉, R ₁₁, R ₁₂, capacitor C ₆, C ₇, button switch K ₁, touch K switch ₂, K ₃, toggle switch K ₄, K ₅Form, wherein K ₂, K ₃For duplex is touched switch, K ₄Be dpdt double-pole double-throw (DPDT), K ₅Be the single-pole double-throw (SPDT) toggle switch, 555 time base circuit IC ₁, IC ₂Be the bistable operation mode.During the work of learning machine energized, IC ₁, IC ₂Trigger end 2 pin do not add trigger pip, and two attitude circuit workings that collect are in first stable state, its output terminal the pin output low level, transistor BG ₃, BG ₅End BG ₄, BG ₆Conducting, positive and negative two terminal potentials of motor D are low level, and motor is not worked.When inserting picture, press the start button K switch ₁The time, give IG ₂The 2nd pin one trigger pip, IC ₂The bistable circuit upset that constitutes enters the second steady operation state.Its output terminal 3 pin output high level, transistor BG ₅Conducting BG ₆End ic chip ₁The bistable circuit duty that constitutes is constant, and its 3rd pin is output low level still, transistor BG ₃By BG ₄Conducting, the motor D two ends add forward voltage, motor conducting work is done and is rotated in the forward (clockwise direction), through speed change, driving mechanism guiding magnetic head (L) 1 is made linear uniform motion from left to right, pick up the track signal of being close on the picture magnetic recording layer that magnetic head (L) 1 records sound signal, through preposition amplification, power amplification is exported related sound by loudspeaker.Work as ic chip ₂The bistable circuit that constitutes is subjected to trigger when changeing, and its 7th pin ends ic chip over the ground ₁The bistable circuit that constitutes is not owing to triggered, and tool the 7th pin is logical over the ground.The preceding applier of such two sound channels just changes at motor, when magnetic head moves from left to right, has only first sound channel that signal output energy operate as normal is arranged.Second sound channel signal is then through ic chip ₁The 7th pin shorted to earth, second sound channel do not have signal output, are in abnormal operating state.Therefore power amplifier and loudspeaker only amplify and export the signal that the preposition amplifier of first sound channel is sent into.When magnetic head runs to right-hand member with worktable 3, magnetic head worktable 3 touches K switch ₂, make K _2aWith K _2bThe closed simultaneously ic chip of giving ₂The 4th pin preset end one reset signal, IC ₂And IC ₁The bistable circuit that constitutes overturns IC simultaneously ₂The bistable circuit that constitutes recovers first stable state, IC ₁The bistable circuit that constitutes enters their output terminal of second stable state the 3rd pin output low level and high level, BG thereupon respectively ₃Saturation conduction, BG ₄End BG ₅End BG ₆Saturation conduction, the positive and negative two ends of motor D add reverse voltage respectively like this, and motor D is done oppositely (counterclockwise) rotation, and magnetic head (L) 1 picks up the information of magnetic recording layer record on the picture along with magnetic head worktable 3 moves from right to left side.Because IC ₂During the 3rd pin output high level, its 7th pin conducting over the ground, IC ₂During the 3rd pin output low level, its the 7th pin ends over the ground, so magnetic head (L) 1 is when moving from right to left with magnetic head worktable 3, the two-channel prime amplifier has only the second sound channel prime amplifier that signal output is just arranged, and the sound of exporting from loudspeaker is the content of second sound channel.When magnetic head worktable 3 ran to left terminal from right to left, magnetic contacted duplex and touches K switch ₃The time, make K _3aWith K _3bClosed simultaneously, if toggle switch K ₅When being in open position, ic chip then ₁The 4th pin preset termination is subjected to a reset signal, IC ₁The bistable circuit that constitutes is turned into first stable state from second stable state, its output terminal the 3rd pin output low level, BG ₃End BG ₄Conducting, motor negative terminal are low level.By sub-ic chip ₂The bistable circuit that constitutes does not receive trigger pip and still maintains first stable state, and the output terminal tripod still is low level output, BG ₅End BG ₆Conducting, motor D anode are low level, so electricity position in the positive and negative two ends of electric face D all is a low level, motor quits work, and learning machine recovers initial waiting status.If toggle switch K ₅Be in closure state, then IC ₂At IC ₁Also be subjected to when resetting to trigger upset, enter second stable state, learning machine enters the periodic duty state.Toggle switch K ₄Can make first, second sound of four sound channel magnetic head withdraw from third and fourth and devote oneself to work.The course of work of third and fourth sound channel is identical with the course of work of first, second sound channel.Four sound channel magnetic head is in first and second sound channels connection duty among the figure.

Mechanical part is shown in figure two: four sound channel magnetic head (L) 1 usefulness screw, 2 screws 4 and spring 5 are installed on the magnetic head worktable 3, and screw 4 and spring 5 are used to regulate the position angle of four sound channel magnetic head (L) 1 simultaneously.Magnetic head worktable 3 is by the screw screw thread relative movement drives on drive screw 8 screw threads and the worktable 3, along guide shaft 10 left and right sides to-and-fro movements, power by motor (D) 7 through gear 12, gear 13, after slowing down, gear 15 provides, gear 12 and gear 15 are fixedly installed in respectively on motor shaft and the drive screw 8, gear 13 is installed on the axle 14 and can freely rotates, retracing spring 9 is used to prevent magnetic head worktable 3 left, its threaded portion of right motion and drive screw threaded portion break away from and establish, figure three is the picture storehouse, be fixed with screw 18 on its storehouse box 16 and be close to shell fragment 17, with so that from the top down its magnetic recording layer of the picture of Chaing be close to magnetic head (L) 1 magnetic head (L) 1 can effectively be worked.Hole 19 is used for the attachment screw hole of installation diagram film magazine 16 on movement pedestal 11.More than all parts all be installed on the movement frame substrate 11, movement frame substrate 11 to inserting the picture location, makes magnetic recording layer track part and head alignment on the picture simultaneously.

Figure four is the used picture legend of this multifunctional learning machine.Be a rectangle, figure four a, figure four b are respectively the tow sides of a pictures, and it is 9 millimeters strip magnetic recording layer that its center applies back one height, can be divided into 8 magnetic track records, respectively record and upper and lower two acoustic informations that picture material is relevant.

Figure five is a magnetic recording layer track track form on the used card of this machine.

Claims (2)

1, a kind of multifunctional learning machine is made up of mechanical part, circuit part and recording picture, and the recording picture inserts in the picture storehouse of learning machine, learning machine is by magnetic head, magnetic head driving mechanism, motor and phase control circuit, compositions such as sound channel control and amplifying circuit is characterized in that:

A, magnetic head (L) 1 are installed on the magnetic head worktable 3;

B, magnetic head worktable 3 are driven by drive screw 9 rotations, do left and right sides to-and-fro movement along the guide rod bar;

The positive and reverse steering of c, motor (D) 7 is by K switch ₁, K ₂, K ₃, K ₅Integrated electric IC ₁, IC ₂(555 time base circuit), transistor BG ₃, BG ₄, BG ₅, BG ₆Control;

The duty of d, dual preamplifier is subjected to discharge end the 7th foot control system of IC1, IC2.

2, multifunctional learning machine recording picture according to claim 1, its principal character is:

A, magnetic recording layer be coated on picture up and down two pictures be that central authorities are bar shaped and distribute, divides 8 to write down the track track parts;

B, picture are that rectangle or square low-quality or plastic sheet are made, tow sides and up and down four face faces have nothing in common with each other, in the middle of it direction of 8 track tracks of magnetic recording layer adjacent two opposite, sound-content is relevant with image content.

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