CN210006473U

CN210006473U - portable multifunctional CD player

Info

Publication number: CN210006473U
Application number: CN201920972277.9U
Authority: CN
Inventors: 张剑
Original assignee: Guangzhou Blue Ray Electronic Technology Co Ltd
Current assignee: Guangzhou Blue Ray Electronic Technology Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-01-31
Anticipated expiration: 2029-06-26

Abstract

portable multifunctional CD player comprises a CD player body, wherein an optical fiber interface, an earphone interface and a USB interface are arranged on the side of the CD player, a circuit board is fixed inside the CD player, a CPU, a Bluetooth chip, an audio A/D chip, a storage chip and a CD placing device are welded on the circuit board, the audio A/D chip is connected with the th pin of the CPU, the other is connected with the optical fiber interface, the Bluetooth chip is connected with the second interface of the CPU, the storage chip is connected with the third interface of the CPU, and the CD placing device is provided with a laser head.

Description

portable multifunctional CD player

Technical Field

The utility model relates to a CD player field specifically is portable multi-functional CD players.

Background

CD player, also known as laser player or laser player, is kinds of intelligent high-fidelity stereo audio equipment controlled by microcomputer, and it adopts advanced laser technology, digital technology, computer technology and various new components, and has the advantages of high-density recording, long playing time, simple operation, fast music selection, etc., and it is the music playing equipment with best sound quality in the market at present, and it is deeply favored by music lovers.

The prior multifunctional playing system on the market mostly just combines the auxiliary function of single with the sound, for the equipment which plays audio frequently, such as KTV, various professional playing rooms, transmission rooms, people who like listening to music, etc., the sound in the occasion has high power consumption even in a standby state when the sound is not used but is forgotten to be turned off, and the problem that the sound is easy to pause due to vibration is also caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid the weak point among the prior art and provide kinds of portable multi-functional CD player's hardware architecture, can supply the software engineer to program the back, advance step realization and provide multiple functions and avoid because vibrations lead to sound to appear pausing.

The utility model aims at realizing portable multifunctional CD players through the following technical scheme, including the CD player body, CD player side is opened and is equipped with optical fiber interface, earphone interface and USB interface, and CD player inside is fixed with the circuit board, the welding has CPU, bluetooth chip, audio frequency AD chip, memory chip and CD placer on the circuit board, audio frequency AD chip termination CPU pin, termination optical fiber interface in addition, the bluetooth chip connects the CPU second interface, memory chip connects the CPU third interface, CD placer is equipped with the laser head.

, a flip cover is arranged on the CD player body and connected with the CD player in a flip way.

, a display screen is also arranged on the CD player body.

, the CD player body is also provided with rotating wheels.

, several buttons are set on the CD player.

, the Bluetooth chip is BK 3266.

, the audio AD chip is specifically PCM 1808.

Further , the memory chip is embodied as AT24C 02.

, the overall shape of the CD player is square.

And , the CD player has a length of 25cm, a width of 20cm and a height of 8 cm.

According to the above technical scheme, the utility model discloses following beneficial effect has:

portable multifunctional CD player comprises a CD player body, wherein an optical fiber interface, an earphone interface and a USB interface are arranged on the side of the CD player, a circuit board is fixed inside the CD player, a CPU, a Bluetooth chip, an audio A/D chip, a memory chip and a CD placing device are welded on the circuit board, the audio A/D chip is connected with the th pin of the CPU, another is connected with the optical fiber interface, the Bluetooth chip is connected with the second interface of the CPU, the memory chip is connected with the third interface of the CPU, and the CD placing device is provided with a laser head.

The CD player of the utility model can not only listen to music by inserting the earphone interface through the earphone, but also convert the analog signal of the disc into the digital signal by the audio A/D chip, transmit the audio signal to the external high-end optical fiber decoder by using the optical fiber interface, and transmit the audio signal wirelessly by the Bluetooth chip, thus realizing the multi-mode music listening; the utility model discloses a CD player adds memory chip, and the data that will transmit to CD player exist earlier buffering on the memory chip, play the music in the memory chip again to solve the pause problem that sound arouses because of outside vibrations.

Drawings

The invention is illustrated in with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained without inventive effort from the following drawings.

Fig. 1 is an internal structural view of embodiments of the portable multifunction CD player of the present invention.

Fig. 2 is a side view of embodiments of the portable multi-function CD player of the present invention.

Fig. 3 is a perspective view of embodiments of the portable multi-function CD player of the present invention.

Wherein the reference numbers are as follows:

1. flip, 2, display screen, 3, USB interface, 4 optical fiber interface, 5 earphone interface, 6 buttons, 7 rotating wheel, 8 laser head, 9 CPU, 10 PCM1808 audio A/D chip, 11 BK3266 Bluetooth chip, 12 AT24C02 memory chip.

Detailed Description

The present invention is further described in with reference to the following examples.

Referring to fig. 1-3, the portable multifunctional CD player of the embodiment includes a CD player body, an optical fiber interface 4, an earphone interface 5 and a USB interface 6 are opened on a side of the CD player , a circuit board is fixed inside the CD player, a CPU9, a BK3266 bluetooth chip 11, a PCM1808 audio a/D chip 12, an AT24C02 memory chip 13 and a CD placement device are welded on the circuit board, the PCM1808 audio a/D chip 12 is connected with a pin of the CPU9, another is connected with the optical fiber interface 4, the BK3266 bluetooth chip 11 is connected with a second interface of the CPU9, the AT24C02 memory chip 13 is connected with a third interface of the CPU9, and the CD placement device is provided with a laser head 8.

, a flip cover 1, a display screen 2, a button 6, and a wheel 7 are further provided on the CD player of this embodiment, and the CD player of this embodiment is square, has a length of 20cm, a width of 15cm, and a height of 5cm, the flip cover 1 of the CD player of this embodiment is used for protecting the internal structure of the CD player, the display screen 2 is used for displaying songs and time, the button 6 can switch, play/pause the songs, the wheel 7 can adjust the volume, and the smaller volume is more convenient to carry.

The principle of the CD player of this embodiment is: the CD player of the embodiment can be connected with an earphone through an earphone interface 5 to listen to music, can convert an analog signal of a disc into a digital signal through a PCM1808 audio a/D chip 12, transmits the audio signal to an external high-end optical fiber decoder through an optical fiber interface 4, and can wirelessly transmit the audio signal through a BK3266 bluetooth chip 11 to realize multi-mode music listening; the CD player of this embodiment adds the AT24C02 memory chip 13, and stores the data transmitted to the CD player on the AT24C02 memory chip 13 for buffering, and then plays the music in the AT24C02 memory chip 13, thereby solving the problem of pause caused by external vibration.

The working flow of the CD player of this embodiment is: when the system normally works, when the CPU9 detects that a disk or a USB input exists in the system, the CPU sends a reading and playing instruction; if the disc is input, the tracking process is performed on the disc, and then the signal is stored in the AT24C02 memory chip 13 for buffering, so as to prevent the sound from stopping caused by external vibration and then play music; if the USB signal is input, the read information is D/a converted into an analog signal, and the analog signal is stored in the AT24C02 memory chip 13 for buffering and playing music.

The music playing can be listened to through an earphone, or the analog signal of the disc can be converted into a digital signal through the PCM1808 audio A/D chip 12, the audio signal is transmitted to an external high-end optical fiber decoder through the optical fiber interface 4 and then played, and the audio signal can be wirelessly transmitted through the BK3266 Bluetooth chip 11 and played through other equipment.

When the CD player is in the open state, if no USB signal input or disk signal input lasts for 90 seconds, the CD player is automatically closed.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

The portable multifunctional CD player is characterized by comprising a CD player body, wherein an optical fiber interface, an earphone interface and a USB interface are arranged on the side of the CD player body, a circuit board is fixed inside the CD player body, a CPU, a Bluetooth chip, an audio A/D chip, a storage chip and a CD placing device are welded on the circuit board, the audio A/D chip is connected with a th pin of the CPU in a terminating mode, in addition, the is connected with the optical fiber interface in a terminating mode, the Bluetooth chip is connected with a second interface of the CPU, the storage chip is connected with a third interface of the CPU, and the CD placing device is provided with a laser head.
2. The portable multi-function CD player of claim 1, wherein: the CD player body is also provided with a flip cover, and the flip cover is connected with the CD player body in a flip way.
3. The portable multi-function CD player of claim 1, wherein: the CD player body is also provided with a display screen.
4. The portable multifunctional CD player of claim 1, wherein said CD player body is further provided with reels.
5. The portable multi-function CD player of claim 1, wherein: the CD player body is also provided with a plurality of buttons.
6. The portable multi-function CD player of claim 1, wherein: the model of the Bluetooth chip is specifically BK 3266.
7. The portable multi-function CD player of claim 1, wherein: the type of the audio A/D chip is specifically PCM 1808.
8. The portable multi-function CD player of claim 1, wherein: the model of the memory chip is AT24C 02.
9. The portable multi-function CD player of claim 1, wherein: the overall shape of the CD player is square.
10. The portable multi-function CD player of claim 9, wherein: the CD player is not more than 25cm in length, not more than 20cm in width and not more than 8cm in height.