CN2221803Y

CN2221803Y - Multi-function mental arithmetic sounding computer for teaching

Info

Publication number: CN2221803Y
Application number: CN 94219628
Authority: CN
Inventors: 黎文雄
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-16
Filing date: 1994-08-16
Publication date: 1996-03-06
Anticipated expiration: 2004-08-16

Abstract

The utility model provides a multi-function mental arithmetic sounding computer for teaching, which is suitable for children. The multi-function mental arithmetic sounding computer for teaching is the improvement of a calculator; the multi-function mental arithmetic sounding computer for teaching adopts the method of the combination of a microprocessor and voice circuit technique to cause computing results to be converted into language playing; the multi-function mental arithmetic sounding computer for teaching is composed of a housing, a corresponding circuit and a keyboard; the circuit part mainly comprises a microprocessor, a keystroke circuit, a display circuit and a voice circuit; the microprocessor is the main control unit of voice numbering; the microprocessor reads the computing results into a CPU, processes and judges data, extracts voice data from the voice memory according to processed results and sends the voice data to a voice synthesis unit for D/A conversion; synthesized voice is broadcast after magnifying.

Description

Multifunction teaching mental arithmetic phonetic machine

The utility model relates to the phonetic machine that a kind of suitable children use, and particularly a kind of children that can exercise practise the multifunction teaching mental arithmetic phonetic machine that mental arithmetic is used; Multifunction teaching mental arithmetic phonetic machine of the present utility model is to grow up on the basis of slim calculator, it is that procedure stores with various operation rules is in the storer of center processor, and utilize corresponding sound circuit, the result of calculation answer is represented to the children that practise with acoustical signal, made children interested teaching.

The existing counter that can carry out arithmetic only can carry out simple computation by button, and its result of calculation only can be presented at showing of counter and show on the screen that result of calculation easily produces visual error, as the teaching time spent, more can not adapt to child's psychological characteristics.

The teaching machine that the purpose of this utility model is to provide a kind of and is easy to carry, has voice count off function, particularly a kind of suitable children learn by oneself the teaching machine of usefulness; It can be provided with multilingual, and is for example Chinese and English, or other state's language is set as required.

Another purpose of the present utility model is to provide a kind of children that can reading number figure place unit to use teaching machine, and for example, result of calculation is " 567 ", and its output pronunciation is " 567 ".

A purpose more of the present utility model is to provide a kind of multifunction teaching mental arithmetic phonetic machine, it has multiple function, for example: the mental arithmetic exercise function, forward reach reverse multiplication table multiplying, can set a question from the turmoil number, show answer automatically, have test topic, whether correct, quarter-bell setting, automatically alarming are answered in prompting, be provided with commercial tens calculator function and stopwatch function etc.; To adapt to multiple use.

For achieving the above object, multifunction teaching mental arithmetic phonetic machine of the present utility model is taked following technical measures:

Multifunction teaching mental arithmetic phonetic machine of the present utility model is on the basis of general counter, adopts microprocessor and the combined method of sound circuit technology to make calculation result data be converted to language and plays back.This machine is that the look-at-me of utilizing the time base generator of microprocessor internal to produce 7.8125ms and 500ms is respectively carried out the voice output keyboard interface and the per second time adds 1 function automatically; The corresponding function key is set to realize following function in keyboard portion:

1. phonetic function: multi-lingual synchronous pronunciation is arranged, repeat voice, the voice count off is given the correct time;

2. have along reverse multiplication, multiplication can forward be recited with reverse, and the multiplication automatic speech is read;

3. mental arithmetic training function: set a question from the turmoil number, have 1～3 figure place to import arbitrarily, answer mistake, show correct option automatically for three times;

4. quiz function can be imported calculation question, and answers automatically;

5. time clock feature is arranged: integral point gives the correct time and the quarter-bell setting automatically;

6. commercial tens computing function is arranged;

7. the stopwatch function is arranged, and this machine has Split Time, progression timing, the function of countdowning.

Multifunction teaching mental arithmetic phonetic machine of the present utility model is made up of shell, circuit wherein and the keyboard that is connected with circuit, and its circuit part comprises a microprocessor, key circuit, display circuit, sound circuit, power circuit and loudspeaker; Be associated with control, data and address bus between sound circuit and the microprocessor CPU; Sound circuit comprises English sound circuit and Chinese speech circuit; Sound circuit comprises speech memory, phonetic synthesis unit and D/A change-over circuit; Microprocessor CPU is the main control unit of voice count off, behind the ＂ TALK ＂ key in function key of every triggering, CPU begins to enter duty, and sends instruction the result of calculation numeral is read in the CPU internal register, and CPU handles judgement to these data again, then, CPU extracts speech data according to result from the storer of sound circuit, deliver to the phonetic synthesis unit and carry out the D/A conversion, voice after synthetic promote the loudspeaker playback after amplifying.

The utlity model has following effect:

Because multifunction teaching mental arithmetic phonetic machine of the present utility model has increased sound circuit, can cooperate various countries' voice to set and deposit various countries' voice as required; Can cooperate digital computation to give complete result of calculation answer, for example,, can provide the voice output that has arithemetic unit numeric results; The utility model can make the little portable children of volume and use teaching machine; Because of the cooperation of voice is arranged, during use, needn't watch display screen specially attentively, in order to avoid push the wrong button and avoid the collimation error, easy to use; Being particularly suitable for children uses.

Reaching embodiment in conjunction with the accompanying drawings is described as follows characteristics of the present utility model:

Brief Description Of Drawings:

Fig. 1: the stereographic map of preferred embodiment of the present utility model;

Fig. 2: the panel plane figure of preferred embodiment of the present utility model;

Fig. 3: the schematic block circuit diagram of preferred embodiment of the present utility model;

Fig. 4: the circuit diagram of preferred embodiment of the present utility model;

Fig. 5: the program flow diagram of preferred embodiment of the present utility model.

As shown in Figure 1, it is the stereographic map of preferred embodiment of the present utility model, and preferred embodiment of the present utility model is made up of shell and the circuit that is loaded on wherein, and shell 1 adopts box structure, and it is made up of lid 2, box body 3 and the panel 4 that is positioned at box body 3 coboundarys; Lid 2 is articulated on the box body 3 on one side, and the upper left corner of lid 2 offers a window 6, is convenient to observe so that cover the time of back display screen demonstration; During use lid 2 is started, when not using it is covered, be easy to carry, and can avoid the button in the box to be touched.

As shown in Figure 2, it is the panel plane figure of preferred embodiment of the present utility model, and the top of panel 4 is provided with a LCDs 5, and the upper right corner is provided with places loudspeaker sound delivery outlet 7; The lower left quarter of panel 4 is provided with numerical key 8, position is provided with various function keys 10 in the middle of it, as exercise, test topic function key, arithmetic function key and digital clear key etc., be located at the right of function key 10 along reverse multiplication function key 11 and " TALK " key (voice key), other function key 12 is located at the right of panel as voice switching, stopwatch state, clock setting etc.

As shown in Figure 3, it is the schematic block circuit diagram of preferred embodiment of the present utility model, circuit of the present utility model mainly comprises microprocessor 31, English sound circuit 32, Chinese speech circuit 33 (in the present embodiment, sound circuit is divided into English sound circuit and Chinese speech circuit), liquid crystal display circuit 34, button part 35 and power circuit 36; Wherein, microprocessor 31 is main control units of voice count off, is used for the storage and the execution of the required working routine of this machine, the switching of various functions and control; Sound circuit 32,33 is used to store predefined Chinese and English voice signal and synthetic speech, and under the control of microprocessor 31 corresponding speech signal is exported by loudspeaker through the amplifier amplification; LCD 34 is used for showing the demonstration of numeral, time and the stopwatch numeral of calculating process and result of calculation under the control of microprocessor 31; Button part 35 is used for practitioner's message from keyboard input microprocessor 31; Power circuit 36 is linked the circuit each several part with the required operating voltage of this machine.

As shown in Figure 4, it is the circuit diagram of preferred embodiment of the present utility model, and wherein, microprocessor 31 is made up of the element of integrated circuit 41 and periphery thereof, and the model of integrated circuit 41 is KSS6C820; English sound circuit 32 and Chinese speech circuit 33 are made up of the element of

integrated circuit

42,43 and periphery thereof respectively, and the model of

integrated circuit

42,43 is respectively MSS3201-09 and MSS3201-11; The major function of this speech IC is that the information data with result of calculation is converted to corresponding Chinese and English voice signal, promotes loudspeaker and sends corresponding Chinese and English voice signal; Pin P30, P60, the P70 of integrated circuit 41 connect keyboard respectively; Pin TG0～7 on integrated

circuit

42,43 left sides are connected to respective pin P20, P50, the P40 of integrated circuit 41, to receive from the address date of the corresponding voice signal of microprocessor 31 and to control the output data of corresponding voice signal; The

triode

45,46 that is connected to integrated

circuit

42,43 output terminals is the audio signal amplifier, is converted to voice signal through the voice signal of its amplification by coupled loudspeaker 47; Pin P01, the P02 of integrated circuit 41 connects into switch SW 1, SW2 is the protection switch that is arranged in the machine, in order to prevent that human body sensing is to the influence to this machine in the final assembly; The pin that is positioned at the both sides, top of integrated circuit 41 is connected to display circuit 34; The circuit 44 that is positioned at integrated circuit 41 right side pins is clock circuit and filtering circuit.

Whether as shown in Figure 5, it is the program flow diagram of preferred embodiment of the present utility model, and when power connection, program enters the starting stage, then makes some initial value designs, is about to LCD 34 and all lights about 3～4 seconds, normal to show each byte position; Then, entering next step--waiting status M is very power savings at this state microprocessor 31, if take place without any interrupt request, microprocessor 31 is in this state forever; Base interrupt request when in this program, having set three altogether, promptly set the time base look-at-me stipulated time end constantly, waiting status can finish and remove automatically automatically, base interrupts secondary program when entering this, carries out corresponding function.

After below each interrupt request of explanation takes place, further program:

1. 15.625ms interrupts:

Microprocessor 31 can begin the keyboard scan function automatically through 15.625ms the time, check that whether button operation, key scan are arranged is to utilize the matrix form scan mode, wherein has any one button to be pressed if sweep to, microprocessor 31 can utilize predefined numerical value, handles the function of respective keys; After finishing this step, still get back to waiting status M;

2. 0.5sec interrupts:

This interrupt routine is the clock control program, whenever enter 0.5sec and interrupt once, can set a RAM and add 1 automatically, if this number of RAM is odd number, then do the action of SEC+1, if even number, then microprocessor rebound waiting status M is like this, clock just can add 1 by per second, and when doing, the judgement of minute, second, afterwards, again the numerical value of work RAM is sent to LCDs M small jar sieve looks street via the RAM of display and hides and still get back to waiting status M;

3. 7.8125ms interrupts:

This program comprises 4 flow processs:

A. when microprocessor 31 when carrying out the stopwatch clocking capability, therefore stopwatch has 1/100 second clocking capability, also function reciprocal can be arranged, and microprocessor 31 utilizes this 7.8125ms interruption frequency division to reach 1/100 second function, after finishing this step, still get back to waiting status M;

B. voice selecting:

Have one to trigger pin (connecting ＂ TALK ＂ key) at speech IC, after if this pin is triggered, this sound circuit promptly puts forward corresponding voice content according to the address signal that microprocessor 31 is delivered to sound circuit, waits for when next signal enters, and exports corresponding voice signal;

C. voice output:

Look for the address of corresponding voice signal and during waiting signal when sound circuit, when receiving a series of signal from microprocessor 31 again,

speech IC

42,43 promptly can sequentially send corresponding voice signal according to these signals;

D. this flow process is the Computer Processing flow process:

This flow process is the computing function of object computer, display digit on display screen not only in this step, and voice output is arranged again.

Claims

1. multifunction teaching mental arithmetic phonetic machine, its by shell, be loaded on the circuit in the shell and the keyboard that is connected with circuit is formed, circuit part comprises a microprocessor, a key circuit, a display circuit and a power circuit, it is characterized in that, it also comprises a sound circuit and loudspeaker;

Connect an amplifier between sound circuit and loudspeaker;

Sound circuit comprises speech memory, phonetic synthesis unit and D/A change-over circuit;

Microprocessor CPU is the main control unit of voice count off, it is used for sending instruction the result of calculation numeral is read into CPU internal register, CPU handles these data and judges this digit, CPU is according to result, from speech memory, extract the speech data that pre-deposits, deliver to the phonetic synthesis unit and carry out the D/A conversion, the voice after synthesizing promote the loudspeaker playback after amplifier amplifies.

2. multifunction teaching mental arithmetic phonetic machine according to claim 1 is characterized in that,

Described sound circuit comprises English sound circuit and Chinese speech circuit; English sound circuit and Chinese speech circuit comprise speech memory, phonetic synthesis unit and the D/A change-over circuit that is used for voice data respectively.

3. multifunction teaching mental arithmetic phonetic machine according to claim 1 is characterized in that,

Described shell is made up of lid, box body and the panel that is positioned at the box body coboundary; Lid is articulated on the box body on one side, the upper left corner of lid offers a window, be convenient to observe so that cover the time figure that the back display screen shows, be assembled with the keyboard that is connected with described key circuit, the display screen that is connected with described display circuit on the described panel and by the loudspeaker vocal hole is housed; The voice key that keyboard is provided with the numerical key function key and is used to control broadcast.

4. multifunction teaching mental arithmetic phonetic machine according to claim 1 is characterized in that,

It is the KSS6C820 integrated circuit that described microprocessor CPU adopts model.

5. multifunction teaching mental arithmetic phonetic machine according to claim 2 is characterized in that,

It is the integrated circuit of MSS3201-09 that described English sound circuit adopts model, the amplifying circuit that its output terminal connection one is made of triode, and its emitter-base bandgap grading end connects a loudspeaker.

It is the integrated circuit of MSS3201-11 that described Chinese speech circuit adopts model, the amplifying circuit that its output terminal connection one is made of triode, and its emitter-base bandgap grading end is connected with described loudspeaker.