CN206148130U - CD phonograph - Google Patents
CD phonograph Download PDFInfo
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- CN206148130U CN206148130U CN201620169356.2U CN201620169356U CN206148130U CN 206148130 U CN206148130 U CN 206148130U CN 201620169356 U CN201620169356 U CN 201620169356U CN 206148130 U CN206148130 U CN 206148130U
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Abstract
The utility model provides a CD phonograph, CD servo circuit respectively with control the treater, the trigger end of laser head, the motor electricity is connected, the pivot of motor and the well spindle connection of CD carousel, the output of laser head still is connected with codec's first input end electricity, codec's output is connected with the input of digital analog conversion circuit electricity, the output of digital analog conversion circuit is connected with the first input end of audio conversion circuit electricity, the first output of audio conversion circuit is connected with power amplifier circuit's input electricity, power amplifier circuit's output and speaker electricity are connected, the second output and analog to digital conversion circuit's the input of audio conversion circuit are connected, analog to digital conversion circuit's output still is connected with the codec electricity, the memory interface still is connected with the codec electricity, be provided with switch circuit between the first input end of audio conversion circuit and first output and second output, the control end of audio conversion circuit, power amplifier circuit's control end is connected with control treater electricity respectively.
Description
Technical field
This utility model is related to multimedia technology field, more particularly to a kind of CD-audio player.
Background technology
CD nevertheless suffers from pursuing for numerous audiophiles as traditional music player in the current age, at present phonograph single function on the market.
Utility model content
One of purpose of this utility model embodiment is the suitcase type bluetooth disc machine with compatible other intelligent terminal that provides.
A kind of CD-audio player that this utility model embodiment is provided, including：CD rotating disks, motor, CD servo circuits, laser head, codec, analog to digital conversion circuit, frequency switch circuit, analog to digital conversion circuit, power amplifier, control process device, speaker, memory interface,
The control end of wherein described CD servo circuits is electrically connected with the control process device，Outfan respectively with the triggering end of the laser head、And the motor electrical connection，The rotating shaft of the motor is connected with the central shaft of the CD rotating disks，The outfan of the laser head is also electrically connected with the first input end of the codec，The outfan of the codec is electrically connected with the input of D/A converting circuit，The outfan of the D/A converting circuit is electrically connected with the first input end of the frequency switch circuit，First outfan of the frequency switch circuit is electrically connected with the input of the power amplifier，The outfan of the power amplifier is electrically connected with the speaker，Second outfan of the frequency switch circuit is connected with the input of analog-digital conversion circuit as described，The outfan of analog-digital conversion circuit as described is also electrically connected by the codec with the memory interface，In the first input end and the first outfan of the frequency switch circuit、On-off circuit is provided between second outfan，The control end of the frequency switch circuit、The control end of power amplifier is electrically connected respectively with the control process device.
Alternatively, also including frequency-modulated antenna, and/or amplitude-modulation antenna,
The frequency-modulated antenna, and/or amplitude-modulation antenna are electrically connected with the input of demodulator circuit, the outfan of the demodulator circuit is also electrically connected with the second input of the frequency switch circuit, and between the second input of the frequency switch circuit and first outfan, the second outfan on-off circuit is provided with.
The control end of the demodulator circuit is electrically connected with the control process device.
Alternatively, the demodulator circuit is pll demodulation circuit.
Alternatively, also including the first rotating-speed control circuit, the first motor, cassette tape groove box, magnetic head,
First rotating-speed control circuit is electrically connected with first motor, the rotating shaft of first motor is connected to drive the active rotating shaft rotation with the active rotating shaft in the cassette tape groove box, the magnetic head is arranged in the cassette tape groove box, the magnetic head is electrically connected with the 3rd input of the frequency switch circuit, and between the 3rd input and first outfan, the second outfan of the frequency switch circuit on-off circuit is provided with.
Alternatively, also including the second rotating-speed control circuit, the second motor, disc record, pickup,
Second rotating-speed control circuit is electrically connected with second motor, the rotating shaft of second motor is connected to drive the disc rotating shaft rotation with the disc rotating shaft of the middle of turntable, the end of the support arm outside the disc record is arranged in the pickup, when the end of the support arm is threaded to the disc record top, the pickup and the record contacts being placed on the disc record, the pickup is electrically connected with the 4th input of the frequency switch circuit, 4th input of the frequency switch circuit and first outfan, on-off circuit is provided between second outfan.
Alternatively, the memory interface includes arbitrary two or whole either of USB interface, TF card interfaces, SD card interface.
Alternatively, also including button, each button is electrically connected respectively with the control process device.
Alternatively, also electrically connect with the control process device including infrared remote receiver.
Alternatively, also electrically connect with the 5th input of the frequency switch circuit including audio input interface, between the 5th input and first outfan, the second outfan of frequency switch circuit on-off circuit is provided with.
Alternatively, also electrically connect with the control process device including display.
Therefore, using the present embodiment technical scheme, this CD-audio player is in addition to carrying out CD and playing, also support that the digital audio file on memorizer is played, and using when CD audio files can also be recorded to memorizer, realize that CD is recorded to the digitized audio of other audio formats, the present embodiment CD-audio player is vdiverse in function, is conducive to meeting the flexible personalized application of user.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, does not constitute to improper restriction of the present utility model.
Fig. 1 is the circuit principle structure schematic diagram of the CD-audio player that this utility model embodiment 1 is provided；
Fig. 2 is the contour structures schematic diagram of CD-audio player in this utility model embodiment 1.
Specific embodiment
Describe this utility model in detail below in conjunction with accompanying drawing and specific embodiment, here illustrative examples of the present utility model and explanation are used for explaining this utility model, but are not intended as to restriction of the present utility model.
Referring to shown in Fig. 1,2, a kind of CD-audio player is present embodiments provided, it mainly includes at least two-way audio source, at least frequency switch circuit 301, audio playing circuit and all the way audio recording circuit all the way.
Wherein all the way audio source circuit includes CD rotating disks 101、Motor 102、CD servo circuits 103、Laser head 104、Codec 105、D/A converting circuit 106，Wherein the control end of CD servo circuits 103 is electrically connected with control process device 001，The outfan of CD servo circuits 103 respectively with the triggering end of laser head 104、And motor 102 is electrically connected，Control of the CD servo circuits 103 according to control process device 001，The laser head 104 of startup、Motor 102 works，I.e. when control process device 001 receives user instruction，When currently with the audio-source of CD as effectively input，The control CD of control process device 001 servo circuits 103，Start laser head 104 and motor 102，The rotating shaft of motor 102 is connected with the central shaft of CD rotating disks 101，The central shaft of CD rotating disks 101 drives the CD optical disk rotaries on rotating disk，The track that laser head 104 is read on CD CDs obtains audio signal，The outfan of laser head 104 is electrically connected with the first input end of codec 105，Audio decoder process is carried out so that the CD digital signals in area are input into codec 105，Obtain audio digital signals，Audio digital signals are converted to audio analog signals by D/A converting circuit 106.
Another road audio source circuit includes：Memory interface and codec 105 (the above-mentioned same codec 105 of multiplexing) and D/A converting circuit 106 (the above-mentioned same D/A converting circuit 106 of multiplexing), memory interface is electrically connected with codec 105, audio digital files (such as MP3) in the external memorizer on memory interface of codec 105 are decoded, audio digital signals are obtained, audio digital signals are converted to audio analog signals by D/A converting circuit 106.
Frequency switch circuit 301 includes at least one input and at least two outfans, frequency switch circuit 301 is electrically connected with control process device 001, on-off circuit is provided between each input and each outfan of frequency switch circuit 301, the audio-source that the outfan that control process device 001 controls the on-off circuit to control from frequency switch circuit 301 is exported, and the output port of control audio-source, audio analog signals are made to be input into from an input of frequency switch circuit 301, from outfan output.
Audio playing circuit includes power amplifier 401 and speaker 501, the input of power amplifier 401 is electrically connected with the first outfan Out1 of frequency switch circuit 301, outfan is electrically connected with speaker 501, the audio analog signals exported from the first outfan Out1 of frequency switch circuit 301 are played after power amplifier 401 carries out power amplification in speaker 501.
Audio recording circuit includes：Analog to digital conversion circuit 601, codec 105 (the above-mentioned same codec 105 of multiplexing), the input of analog to digital conversion circuit 601 is electrically connected with the second outfan Out2 of frequency switch circuit 301, and the outfan of analog to digital conversion circuit 601 is electrically connected with codec 105.Operation principle is, the audio analog signals for carrying out digital recording are needed to export from the second outfan Out2 of frequency switch circuit 301, after analog to digital conversion circuit 601 is converted to audio digital signals, coded treatment is compressed through codec 105, obtain digitalization compressed audio file, by on the memorizer of the digitalization compressed audio files storage on memory interface, audio recording is realized.
Therefore, using the present embodiment technical scheme, this CD-audio player is in addition to carrying out CD and playing, also support that the digital audio file on memorizer is played, and using when CD audio files can also be recorded to memorizer, realize that CD is recorded to the digitized audio of other audio formats, the present embodiment CD-audio player is vdiverse in function, is conducive to meeting the flexible personalized application of user.
As the signal of the present embodiment，The CD-audio player of the present embodiment still further comprises frequency-modulated antenna 701、One of amplitude-modulation antenna 702，Or it is provided with frequency-modulated antenna 701、And amplitude-modulation antenna 702，Wherein frequency-modulated antenna 701、And amplitude-modulation antenna 702 is electrically connected respectively with the input of demodulator circuit 703，The outfan of demodulator circuit 703 is also electrically connected with the second input In2 of frequency switch circuit 301，The broadcast singal of the demodulation input of demodulator circuit 703，Obtain audio analog signals，The outfan of demodulator circuit 703 is electrically connected with the second input In2 of frequency switch circuit 301，On-off circuit is provided between the second input In2 and outfan of frequency switch circuit 301，The second input In2 and the first outfan Out1 of frequency switch circuit 301 can be controlled under the control of control process device 001、Conducting or shut-off between second outfan Out2.
When user needs broadcast listening, turn between the second input In2 and the first outfan Out1 of the conducting frequency switch circuit of control process device 001 so as to his input and outfan shut-off.
When user needs to record, turn between conducting Audio conversion the second input In2 and the second outfan Out2 of control process device 001, make other inputs and outfan shut-off, the broadcast audio analogue signal that the antenna of the output of frequency switch circuit 301 is received is exported from the second outfan Out2, digital audio file is can be exchanged into through recording circuit, is stored on the memorizer on memory interface.
Used as the signal of the present embodiment, the present embodiment CD-audio player still further comprises tape audio source circuit, including：First rotating-speed control circuit 801, first motor 802, cassette tape groove 803, magnetic head 804, wherein the first rotating-speed control circuit 801 is electrically connected with the first motor 802, the rotating shaft for controlling the first motor 802 at the uniform velocity rotates, the rotating shaft of the first motor 802 is connected with the active rotating shaft in cassette tape groove 803, to drive the active rotating shaft rotation, so as to drive the tape turntable rotation on cassette tape, tape motion is driven to move between two tape rotating disks, magnetic head 804 is arranged in cassette tape groove 803, magnetic head 804 senses the magnetic signal through the tape of magnetic head 804 and is converted into audio analog signals, magnetic head 804 is electrically connected with the 3rd input In3 of frequency switch circuit 301, on-off circuit is provided between the 3rd input In3 and outfan of frequency switch circuit 301.The 3rd input In3 and conducting or shut-off between the first outfan Out1, the second outfan Out2 can be controlled under the control of control process device 001.
When user needs to listen to broadcasting cassette tape, turn between the 3rd input In3 and the first outfan Out1 of the control frequency switch circuit of control process device 001 so as to his input and outfan shut-off.
When user needs to record cassette tape, turn between the 3rd input In3 and the second outfan Out2 of the conducting frequency switch circuit of control process device 001, make other inputs and outfan shut-off, the cassette tape audio analog signals of the output of frequency switch circuit 301 are exported from the second outfan Out2, digital audio file is can be exchanged into through recording circuit, is stored on the memorizer on memory interface.
As the signal of the present embodiment，The present embodiment CD-audio player still further comprises disc audio source circuit，It includes the second rotating-speed control circuit 901、Second motor 902、Disc record 903、Pickup 904，Second rotating-speed control circuit 901 is electrically connected with the second motor 902，The rotating shaft of second motor 902 is connected to drive disc rotating shaft rotation with the disc rotating shaft at the center of disc record 903，The end of the support arm outside disc record 903 is arranged in pickup 904，When the end of support arm is threaded to 903 top of disc record，Pickup 904 and the record contacts being placed on disc record 903，Pickup 904 is electrically connected with the 4th input In4 of frequency switch circuit 301，The 4th input In4 and the first outfan Out1 of frequency switch circuit 301、On-off circuit is provided between second outfan Out2.The 4th input In4 and conducting or shut-off between the first outfan Out1, the second outfan Out2 can be controlled under the control of control process device 001.
When user needs to play a record, turn between the conducting input In4 of Audio conversion the 4th and the first outfan Out1 of control process device 001 so as to his input and outfan shut-off.
When user needs to record disc, turn between the conducting input In4 of Audio conversion the 4th and the second outfan Out2 of control process device 001, make other inputs and outfan shut-off, the disc audio analog signals of the output of frequency switch circuit 301 are exported from the second outfan Out2, digital audio file is can be exchanged into through recording circuit, is stored on the memorizer on memory interface.
Used as the signal of the present embodiment, the memory interface of the present embodiment includes USB interface 201 or TF card interfaces 202 or SD card interface 203, and either theirs is arbitrary either multiple or whole.
When memory interface includes USB interface 201, the broadcasting of the digital audio file in phonograph of external smart terminal can also be realized using intelligent terminal such as the external computers of the interface, or the digital audio file that this phonograph is recorded is stored to external smart terminal.
As the signal of the present embodiment, button 1001 is additionally provided with the fuselage of the present embodiment CD-audio player, each button 1001 is electrically connected respectively with control process device 001.User can operate button 1001 to the input user's control instruction of control process device 001, realize man-machine interaction.
As the signal of the present embodiment, infrared remote receiver 1002 is additionally provided with the present embodiment CD-audio player, electrically connect with the control process device 001 of infrared remote receiver 1002, the infrared control signal that outside IR remote controller sends is input into control process device 001 by infrared remote receiver 1002, realize man-machine interaction, user friendly application and control.
As the signal of the present embodiment, audio input interface 1101 is additionally provided with the present embodiment CD-audio player, audio input interface 1101 is electrically connected with the 5th input In5 of frequency switch circuit 301, and between the 5th input In5 and first outfan, the second outfan of frequency switch circuit 301 on-off circuit is provided with.The 5th input In5 and conducting or shut-off between the first outfan Out1, the second outfan Out2 can be controlled under the control of control process device 001.
External audio input line can be inserted on audio input interface 1101, when user needs to play the external audio signal of interface access, turn between the conducting input In5 of Audio conversion the 5th and the first outfan Out1 of control process device 001 so as to his input and outfan shut-off.
When user needs to record the audio signal of the outside input, turn between the conducting input In5 of Audio conversion the 5th and the second outfan Out2 of control process device 001, make other inputs and outfan shut-off, the external audio analogue signal of the output of frequency switch circuit 301 is exported from the second outfan Out2, digital audio file is can be exchanged into through recording circuit, is stored on the memorizer on memory interface.
Display is further provided with the present embodiment phonograph, display is electrically connected with control process device 001, the working condition of current phonograph, currently playing or recording audio-source, song information etc. can be displayed for a user, and display is arranged on the fuselage of this phonograph, the effect that can be decorated with it.
It should be noted that the present embodiment phonograph can with carry out audio frequency play while, carry out audio recording.Even if the first outfan Out1 of frequency switch circuit 301, the second outfan Out2 are simultaneously turned on.
It is shown in Figure 2, the profile squarely case shape of the present embodiment CD-audio player, with classic charm, wherein display screen 1003 and the control unit such as button 1001 and knob, the import and export of CD rotating disks are arranged on the front panel of casing, the upper lid of casing top can folding, disc record 903 is arranged in casing, can realize that disc is inserted and disc reads and plays when upper lid is opened.As the signal of the present embodiment, it is additionally provided with below upper lid and can be used to support the support stick for covering, in order to user's application.USB interface 201, TF interfaces 202, SD interface 203 etc. are arranged on the left and right sides of casing.
Embodiments described above, does not constitute the restriction to the technical scheme protection domain.Any modification, equivalent and improvement made within the spirit and principle of above-mentioned embodiment etc., should be included within the protection domain of the technical scheme.
Claims (10)
1. a kind of CD-audio player, is characterized in that, including：CD rotating disks, motor, CD servo circuits, laser head, codec, analog to digital conversion circuit, frequency switch circuit, analog to digital conversion circuit, power amplifier, control process device, speaker, memory interface,
The control end of wherein described CD servo circuits is electrically connected with the control process device，Outfan respectively with the triggering end of the laser head、And the motor electrical connection，The rotating shaft of the motor is connected with the central shaft of the CD rotating disks，The outfan of the laser head is also electrically connected with the first input end of the codec，The outfan of the codec is electrically connected with the input of D/A converting circuit，The outfan of the D/A converting circuit is electrically connected with the first input end of the frequency switch circuit，First outfan of the frequency switch circuit is electrically connected with the input of the power amplifier，The outfan of the power amplifier is electrically connected with the speaker，Second outfan of the frequency switch circuit is connected with the input of analog-digital conversion circuit as described，The outfan of analog-digital conversion circuit as described is also electrically connected by the codec with the memory interface，In the first input end and the first outfan of the frequency switch circuit、On-off circuit is provided between second outfan，The control end of the frequency switch circuit、The control end of power amplifier is electrically connected respectively with the control process device.
2. CD-audio player according to claim 1, is characterized in that,
Also include frequency-modulated antenna, and/or amplitude-modulation antenna,
The frequency-modulated antenna, and/or amplitude-modulation antenna are electrically connected with the input of demodulator circuit, the outfan of the demodulator circuit is also electrically connected with the second input of the frequency switch circuit, on-off circuit is provided between second input of the frequency switch circuit and first outfan, the second outfan
The control end of the demodulator circuit is electrically connected with the control process device.
3. CD-audio player according to claim 2, is characterized in that,
The demodulator circuit is pll demodulation circuit.
4. CD-audio player according to claim 1, is characterized in that,
Also include the first rotating-speed control circuit, the first motor, cassette tape groove box, magnetic head,
First rotating-speed control circuit is electrically connected with first motor, the rotating shaft of first motor is connected to drive the active rotating shaft rotation with the active rotating shaft in the cassette tape groove box, the magnetic head is arranged in the cassette tape groove box, the magnetic head is electrically connected with the 3rd input of the frequency switch circuit, and between the 3rd input and first outfan, the second outfan of the frequency switch circuit on-off circuit is provided with.
5. CD-audio player according to claim 1, is characterized in that,
Also include the second rotating-speed control circuit, the second motor, disc record, pickup,
Second rotating-speed control circuit is electrically connected with second motor, the rotating shaft of second motor is connected to drive the disc rotating shaft rotation with the disc rotating shaft of the middle of turntable, the end of the support arm outside the disc record is arranged in the pickup, when the end of the support arm is threaded to the disc record top, the pickup and the record contacts being placed on the disc record, the pickup is electrically connected with the 4th input of the frequency switch circuit, 4th input of the frequency switch circuit and first outfan, on-off circuit is provided between second outfan.
6. CD-audio player according to claim 1, is characterized in that,
The memory interface includes arbitrary two or whole either of USB interface, TF card interfaces, SD card interface.
7. CD-audio player according to claim 1, is characterized in that,
Also include button, each button is electrically connected respectively with the control process device.
8. CD-audio player according to claim 1, is characterized in that,
Also include infrared remote receiver, electrically connect with the control process device.
9. CD-audio player according to claim 1, is characterized in that,
Also include audio input interface, electrically connect with the 5th input of the frequency switch circuit, between the 5th input and first outfan, the second outfan of frequency switch circuit on-off circuit is provided with.
10. CD-audio player according to claim 1, is characterized in that,
Also include display, electrically connect with the control process device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948099 | 2015-11-24 | ||
| CN2015209480998 | 2015-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148130U true CN206148130U (en) | 2017-05-03 |
Family
ID=58615949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620169356.2U Active CN206148130U (en) | 2015-11-24 | 2016-03-04 | CD phonograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148130U (en) |
-
2016
- 2016-03-04 CN CN201620169356.2U patent/CN206148130U/en active Active
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