CN202871298U

CN202871298U - CD learning machine

Info

Publication number: CN202871298U
Application number: CN 201220535230
Authority: CN
Inventors: 肖正林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-19
Filing date: 2012-10-19
Publication date: 2013-04-10
Anticipated expiration: 2022-10-19

Abstract

The utility model relates to a CD learning machine comprising a center processor for processing MP3 audio frequency data and analog audio signals, and the learning machine also comprises a CD unit, a button unit, a recording microphone, a mobile storage equipment interface and an audio frequency output unit all connected with the center processor for communication. The CD learning machine can at least combine a CD record player with a MP3, CD and external audio frequency and the like can be directly recorded on a SD card or a U disc, direct data exchange with a computer is realized, and reading and listening for learning and entertainment needs of a user can be satisfied.

Description

A kind of CD learning machine

Technical field

The utility model relates to a kind of CD(compact disc, CD) learning machine, the CD learning machine that particularly a kind of MP3 of collection plays, CD playback and FM broadcast.

Background technology

Existing common CD cassette player does not have USB and SD card function, does not have sound-recording function yet; And existing MP3 product does not support the CD video disc to play, and does not also have loudspeaker to ring function outward, CD content, FM broadcasting and external input signal directly can not be transcribed into MP3 format, and be kept on USB flash disk or the SD card.Existing study and recreation data, have for magnetic tape recording, what have then is MP3 format, so, the phonetical repeater that a Daepori is logical or MP3 just can't satisfy and learn and the demand of amusement.

The utility model content

The purpose of this utility model is in order to address the aforementioned drawbacks, and a kind of phonetical repeater, CD cassette player, FM broadcasting and MP3 of integrating is provided, and can and read the CD learning machine of data in the SD card with the computer swap data.

The technical solution adopted in the utility model is: a kind of CD learning machine comprises:

For the central processing unit that the voice data that comprises the MP3 voice data is processed;

The CD unit, described CD unit comprises CD processor, CD player core and movement motor, the Audio output port of described CD processor is connected with the audio signal input end mouth circuit of central processing unit through frequency switch circuit, and the control signal input port of CD processor is connected with the CD unit controls signal output port circuit of central processing unit; The video disc signal output part of described CD player core is connected with the video disc signal input port circuit of CD processor; The motor drive signal output port of CD processor through the movement motor of motor servo circuit and control disk rotation be connected the servo motor circuit that laser head moves and be connected;

Push-button unit, each button of described push-button unit are connected push button signalling input port circuit through the button driving circuit and are connected with central processing unit;

Recording miaow head, the microphone signal output terminal of described recording miaow head is connected with the microphone signal input port circuit of central processing unit;

The movable storage device interface, described movable storage device interface is connected with the storage data input/output port circuit of central processing unit; And,

Audio output unit, described audio output unit is connected with the Audio output port circuit of central processing unit.

Wherein, the CD learning machine also comprises the FM/AM integrated circuit, and the audio signal output end of described FM/AM integrated circuit is connected with the broadcast voice signal input port circuit of central processing unit.

Wherein, described CD learning machine also comprises display screen, and the displaying contents output port of described central processing unit is connected with the driving input port circuit of display screen.

Wherein, described movable storage device interface comprises USB interface and SD deck, the storage data input/output port of described central processing unit comprises the USB storage data input/output port that is connected with usb circuit, and the SD card that is connected with SD card seat circuit storage data input/output port.

Wherein, described CD learning machine also comprises flash memories, and the data output end of flash memories is connected with the flash data input port circuit of central processing unit.

Wherein, described audio output unit comprises D/A converting circuit, the earphone amplifying circuit, power amplification circuit, headset output interface and loudspeaker, the Audio output port of described central processing unit comprises the Digital and analog Audio output port, the digital audio and video signals output port is connected with the simulated audio signal output port through D/A converting circuit, the simulated audio signal output port outputs to the earphone amplifying circuit behind volume potentiometer, output one branch road of earphone amplifying circuit is connected with earphone socket circuit, and another branch road is connected with the inlet circuit of loudspeaker through power amplification circuit by earphone socket.

Wherein, described CD learning machine also comprises the external audio input interface, and described external audio input interface is connected with the inlet circuit of frequency switch circuit.

Wherein, described CD learning machine also comprises the remote control reception head, and the reception signal input part of described remote control reception head is connected with the remote signal input port circuit of central processing unit

The beneficial effects of the utility model are: the utility model CD learning machine can realize that at least CD cassette player and MP3 are in one, even can realize that CD cassette player, FM/AM broadcasting and MP3 are in one, but CD, external audio and FM/AM broadcasted content direct recording on SD card or USB flash disk, can also with the direct swap data of computer; CD learning machine of the present utility model carries loudspeaker, can satisfy study and amusement needs that the user reads, listens.

Description of drawings

Fig. 1 shows the frame principle figure according to the internal circuit configuration of CD learning machine of the present utility model.

Fig. 2 shows the front view of the product appearance of CD learning machine of the present utility model;

Fig. 3 shows the rear view of the product appearance of CD learning machine of the present utility model;

Fig. 4 shows the right view of Fig. 2;

Fig. 5 shows the left view of Fig. 2.

The description of reference numerals of Fig. 2 to Fig. 5:

1a-CD door 6-display screen

3a-playback/Pause key 4a-re-reading/automatic repeating key

5a-with read/contrast/lead in reading aloud key 6a-speed change/record button

7a-EQ/HOLD(is balanced to be regulated/locking) 8a-switch key

9a-stops/re-reading Pause key 10a-pattern/programming key

11a-DIR/ASP (folder content/shockproof) key 12a-next Qu Jian

13a-upper one bent key 14-loudspeaker

15a-power switch 16a-supply socket

9-SD deck 8-USB interface

21-AUX IN(external audio input interface) 4-recording miaow head

25-earphone socket 22a-volume knob

23a-CD door switch key 24a-charge switch

Embodiment

As shown in Figure 1, CD learning machine of the present utility model comprises that central processing unit 1(is used for various voice datas are processed, this voice data comprises the MP3 voice data), the CD unit, push-button unit 7, recording miaow head 4 can be the movable storage device interface of USB interface 8 and SD deck 9, and audio output unit.

This CD unit comprises CD processor 16, CD player core 18 and movement motor 22, and the video disc signal output part of CD player core 18 is connected with the video disc signal input port circuit of CD processor 16; The movement motor drive signal output port of CD processor 16 through the movement motor 22 of motor servo circuit 17 and control disk rotation be connected the servo motor circuit that laser head moves and be connected, the Audio output port of CD processor 16 is connected with the audio signal input end mouth circuit of central processing unit 1 through frequency switch circuit 15, making sound signal after the inside of CD processor 16 DSP processes input to central processing unit 1 processes, the control signal input port of CD processor 16 (present embodiment adopts the serial interface of CD processor) is connected with CD unit controls signal output port (present embodiment adopts the serial interface of the central processing unit 1) circuit of central processing unit 1, make central processing unit 1 send instruction to CD processor 16 according to the control of push-button unit, control CD cell operation.

The push button signalling input port circuit corresponding with each button that each button of push-button unit 7 is connected with central processing unit through the button driving circuit connects, these buttons comprise " playback/time-out " that the CD learning machine has usually, " a upper song ", " next song ", " re-reading/automatically re-reading ", " follow to read/contrast/lead in reading aloud ", " speed change/recording ", " switching ", " EQ ", " pattern/programming ", " stop ", " DIR " 11 buttons, be used for control CD, FM/AM broadcasting, USB flash disk and the work of SD card, to realize playback, re-reading, with reading, contrast, speed change, the functions such as recording, corresponding function triggers central processing unit by each button and realizes.

The microphone signal output terminal of recording miaow head 4 is connected with the microphone signal input port circuit of central processing unit 1, inputs to central processing unit with the external voice with acquisition and processes.

The movable storage device interface is connected with the storage data input/output port circuit of central processing unit; For USB interface 8, it is connected with the USB storage data input/output port circuit of central processing unit 1, for SD deck 9, it is connected with the SD card storage data input/output port circuit of central processing unit 1, and the voice data of the MP3 format that movable storage device can be inner with it inputs to the output of decoding in the central processing unit 1; Central processing unit 1 is stored in the movable storage device after also the simulated audio signal of its outside input can being converted to MP3 format, and in addition, the CD learning machine can be connected with computer by USB interface, can stick into capable data exchange with SD.

The input end of audio output unit is electrically connected with the Audio output port of central processing unit 1, so that the voice data of inputting through CD processor, recording miaow head, movable storage device interface is finally exported.

Above CD unit further comprises it for example being the memory device 19 of synchronous DRAM (SDRAM).Above central processing unit 1 is by crystal oscillating circuit 3(32.768KHZ) clock frequency is provided.

This CD learning machine can also comprise FM/AM integrated circuit 20, and the audio signal output end of FM/AM integrated circuit 20 and central processing unit 1 corresponding broadcast voice signal input port circuit connects.

The CD learning machine can comprise that also the displaying contents output port of central processing unit 1 is connected with the display driver input port circuit of display screen 6 be used to the display screen 6 of situation of displaying the play etc.

The CD learning machine comprises that also the data output end of flash memories 2 is connected with the flash data input port circuit of central processing unit 1 for the routine data of storage control central processing unit work and the flash memories 2 of voice data.

Above audio output unit comprises digital-to-analogue (D/A) change-over circuit 11, earphone amplifying circuit 12, power amplification circuit 13(for example is based on the power amplification circuit of PJ4871), earphone socket 25 and loudspeaker 14, the Audio output port of central processing unit 1 comprises the Digital and analog Audio output port, the digital audio and video signals output port is through D/A converting circuit 11, be connected with the simulated audio signal output port, the simulated audio signal output port is through volume potentiometer, a branch road is connected with earphone socket 25 circuit behind the earphone amplifying circuit 12, and another road promotes loudspeaker 14 work by earphone socket through power amplification circuit 13.

This CD learning machine can also comprise external audio input interface (AUX IN) 21, and the external audio input interface is connected with the inlet circuit of frequency switch circuit, namely inputs to central processing unit through frequency switch circuit and processes.

This CD learning machine can also comprise remote control reception head 5, and the reception signal input part of this remote control reception head 5 is connected with the remote signal input port circuit of central processing unit 1.

Each button of above-mentioned earphone interface, loudspeaker delivery outlet, movable storage device interface, remote control reception head, recording miaow head, push-button unit, and display screen 6 all exposes by the shell of CD learning machine.

This CD learning machine also is included as the power circuit that above each several part provides operating voltage.

More than each forms the concrete model for example can adopt in the following form.

Being preferred embodiment of the present utility model only in sum, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technical scope of the present utility model.

Claims

1. a CD learning machine is characterized in that, comprising:

2. CD learning machine according to claim 1, it is characterized in that: also comprise the FM/AM integrated circuit, the audio signal output end of described FM/AM integrated circuit is connected with the broadcast voice signal input port circuit of central processing unit.

3. CD learning machine according to claim 1, it is characterized in that: described CD learning machine also comprises display screen, the displaying contents output port of described central processing unit is connected with the driving input port circuit of display screen.

4. CD learning machine according to claim 1, it is characterized in that: described movable storage device interface comprises USB interface and SD deck, the storage data input/output port of described central processing unit comprises the USB storage data input/output port that is connected with usb circuit, and the SD card that is connected with SD card seat circuit storage data input/output port.

5. CD learning machine according to claim 1, it is characterized in that: also comprise flash memories, the data output end of flash memories is connected with the flash data input port circuit of central processing unit.

6. CD learning machine according to claim 1, it is characterized in that: described audio output unit comprises D/A converting circuit, the earphone amplifying circuit, power amplification circuit, headset output interface and loudspeaker, the Audio output port of described central processing unit comprises the Digital and analog Audio output port, the digital audio and video signals output port is connected with the simulated audio signal output port through D/A converting circuit, the simulated audio signal output port outputs to the earphone amplifying circuit behind volume potentiometer, output one branch road of earphone amplifying circuit is connected with earphone socket circuit, and another branch road is connected with the inlet circuit of loudspeaker through power amplification circuit by earphone socket.

7. CD learning machine according to claim 1, it is characterized in that: also comprise the external audio input interface, described external audio input interface is connected with the inlet circuit of frequency switch circuit.

8. CD learning machine according to claim 1, it is characterized in that: also comprise the remote control reception head, the reception signal input part of described remote control reception head is connected with the remote signal input port circuit of central processing unit.