CN218301628U

CN218301628U - Electronic equipment and digital audio device thereof

Info

Publication number: CN218301628U
Application number: CN202221937271.6U
Authority: CN
Inventors: 黄萍华; 刘传东
Original assignee: Shenzhen Saiyin Electronics Co ltd
Current assignee: Shenzhen Saiyin Electronics Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-13
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses an electronic equipment and digital audio device thereof, wherein, digital audio device includes audio frequency processing chip, optical communication chip and audio connector, the audio frequency processing chip is connected with optical communication chip, audio connector electricity respectively, the optical communication chip is located audio connector department, the jack through audio connector is externally exported optical signal and/or is received external input's optical signal, makes each spare part compactness of digital audio device set up to reduce its volume, satisfy the miniaturized requirement of electronic product, also reduced electronic product's interface moreover, reduced product cost.

Description

Electronic equipment and digital audio device thereof

Technical Field

The utility model relates to an audio frequency technical field, in particular to electronic equipment and digital audio device thereof.

Background

The digital audio device is provided with a plurality of interfaces such as an optical fiber input port, a coaxial input port, a left audio channel output port, a right audio channel output port, an AUX (Auxiliary) output port and the like, and the interfaces are not independent plug-in ports, for example, the optical fiber input port and the coaxial input port are both independent plug-in ports, so that the digital audio connector is large in size and is not suitable for miniaturization of electronic products.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an electronic device and a digital audio device thereof, in which an optical communication chip and an audio connector share a same jack to reduce the volume of the digital audio device.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

a digital audio device of electronic equipment comprises an audio processing chip, an optical communication chip and an audio connector, wherein the audio processing chip is electrically connected with the optical communication chip and the audio connector respectively;

the audio processing chip comprises a digital audio processing module, an SPDIF interface module and an analog audio interface module for performing analog-to-digital conversion and/or digital-to-analog conversion, the digital audio processing module is electrically connected with the optical communication chip through the SPDIF interface module, and the digital audio processing module is connected with the audio connector through the analog audio interface module.

In the digital audio device of the electronic equipment, the SPDIF interface module is electrically connected with an audio connector.

In the digital audio device of the electronic equipment, a resistor is arranged between the SPDIF interface module and the audio connector, and the resistance value of the resistor is 50-300 omega.

In the digital audio device of the electronic equipment, the audio processing chip, the optical communication chip and the audio connector are all arranged on a circuit board, the circuit board is provided with a through groove, the audio connector is arranged in the through groove, and the audio connector and the circuit board are welded and fixed by adopting a sinking plate.

In the digital audio device of the electronic equipment, the optical communication chip comprises an optical transmitter and an optical receiver, and the optical transmitter and the optical receiver are both arranged at the jack of the audio connector.

In the digital audio device of the electronic equipment, the optical communication chip comprises an optical receiver, and the optical receiver is arranged at a jack of the audio connector.

In the digital audio device of the electronic equipment, the audio connector is an audio connector with a connecting wire and is electrically connected with the circuit board through the connecting wire.

In the digital audio device of the electronic equipment, the light emitter is an LED.

The digital audio device of the electronic equipment further comprises a USB connector, the audio processing chip further comprises a USB interface module, and the USB connector, the USB interface module and the digital audio processing module are sequentially connected.

An electronic device comprises an electronic device body, wherein the digital audio device is arranged on the electronic device body.

Compared with the prior art, the utility model provides an electronic equipment and digital audio device thereof, wherein, digital audio device includes audio frequency processing chip, optical communication chip and audio connector, the audio frequency processing chip is connected with optical communication chip, audio connector electricity respectively, the optical communication chip is located audio connector department, the jack through audio connector is external to export optical signal and/or receive external input's optical signal, makes each spare part compact set of digital audio device to reduce its volume, satisfy the miniaturized requirement of electronic product, but also reduced electronic product's interface, reduced product cost.

Drawings

Fig. 1 is a schematic diagram of a module connection structure of an optional embodiment of a digital audio device of an electronic apparatus according to the present invention.

Fig. 2 is a schematic diagram of a module connection structure of another optional embodiment of the digital audio device of the electronic apparatus according to the present invention.

Fig. 3 is a schematic diagram of an exploded structure of a digital audio device of an electronic apparatus according to the present invention.

Fig. 4 is a schematic structural diagram of the digital audio device of the electronic device according to the present invention.

Fig. 5 is a schematic diagram of a module connection structure of the digital audio device of the electronic apparatus according to the present invention, in which the USB connector is added.

Fig. 6 is a schematic circuit diagram of a digital audio device of an electronic apparatus according to the present invention.

Reference is made to the accompanying drawings in which:

the device comprises an audio processing chip 1, a digital audio processing module 11, an SPDIF interface module 12, an analog audio interface module 13, an optical communication chip 2, an optical transmitter 21, an audio connector 3, a jack 4, a circuit board 5, a USB connector 6 and a USB interface module 61

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of left, right, up and down in the embodiments of the present invention are only relative concepts or are referred to the normal use status of the product, and should not be considered as limiting.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides an electronic equipment's digital audio device includes audio frequency processing chip 1, optical communication chip 2 and audio connector 3, audio frequency processing chip 1 is connected with optical communication chip 2, audio connector 3 electricity respectively, optical communication chip 2 is located audio connector 3 department, through the jack 4 of audio connector 3 to the external light signal of output and/or receive the externally input light signal, makes each spare part compact setting of digital audio device to reduce its volume, satisfy the miniaturized requirement of electronic product, and also reduced the interface of electronic product, reduced product cost.

The audio connector 3 is a 3.5mm audio connector, so that the audio connector can be matched with a 3.5mm audio connector for use, and the compatibility is strong.

In an optional embodiment, the audio processing chip 1 includes a Digital audio processing module 11, an SPDIF Interface module 12, and an analog audio Interface module 13 (as shown in fig. 1) for performing analog-to-Digital conversion and/or Digital-to-analog conversion, the Digital audio processing module 11 is electrically connected to the optical communication chip 2 through the SPDIF Interface module 12 (Sony/Philips Digital Interface, which is short for Sony and Philips Digital audio Interface), the Digital audio processing module 11 is connected to the audio connector 3 through the analog audio Interface module 13, and analog audio signals are input and/or output to the outside through the analog audio Interface module 13. Specifically, the analog audio interface module 13 is responsible for analog-to-digital conversion of externally input analog audio and/or digital-to-analog conversion of digital audio output by the digital audio processing module 11 to be output through the audio connector 3, and the shared audio connector 3 outputs digital audio signals, so that the effect of reducing the socket is achieved, and the volume of the digital audio device is reduced.

In another alternative embodiment, the SPDIF interface module 12 is electrically connected to the audio connector 3 (as shown in fig. 2), so that the SPDIF interface module 12 and the audio connector 3 share the interface of the audio connector 3, which can further reduce the volume of the whole digital audio device.

As shown in fig. 1 and fig. 3, the audio processing chip 1, the optical communication chip 2 and the audio connector 3 are all disposed on the circuit board 5, the circuit board 5 is provided with a through groove (not marked in the figure), the audio connector 3 is installed in the through groove, specifically, the audio connector 3 and the circuit board 5 are fixed by welding through a sinking plate, that is, the middle part of the side surface of the audio connector 3 is provided with a soldering pin 31, the audio connector 3 is installed in the through groove, and the two sides of the audio connector 3 are welded to the circuit board, so as to reduce the thickness of the audio device, and meanwhile, the audio connector 3 can better align to the optical communication chip 2, so as to ensure better signal input and output.

The optical communication chip 2 includes an optical transmitter 21 and an optical receiver (not shown in the figure), the optical transmitter 21 and the optical receiver are both installed at the jack 4 of the audio connector 3, the optical receiver receives an optical signal through the jack 4 of the audio connector 3, and the optical transmitter 21 transmits an optical signal through the jack 4 of the audio connector 3.

Light emitter 21 is LED, and this LED is preferred paster LED to reduce the LED volume, can further reduce digital audio device's volume, can adopt the luminous LED of paster side according to different structures, also can adopt the paster to just give out light the LED, specifically confirm according to actual structure, do not do the restriction here, the utility model discloses preferred adopt the paster to be the luminous LED of side.

The audio connector 3 is an audio connector having a connecting wire (not shown) through which the audio connector 3 is electrically connected to the circuit board 5, and in use, the audio connector 3 can be separated from the digital audio device as needed to reduce the volume of the digital audio device.

Referring to fig. 5 and fig. 6, the digital audio device of the electronic apparatus further includes a USB connector 6, the audio processing chip 1 further includes a USB interface module 61, the USB connector 6, the USB interface module 61, and the digital audio processing module 11 are connected in sequence, and the USB connector 6 adopts a sinking plate type USB male connector to reduce the thickness space occupied by the USB connector on the digital audio device, thereby reducing the volume of the whole digital audio device.

The USB interface module 61, the digital audio processing module 11, the SPDIF interface module 12 and the analog audio interface module 13 are all integrated in the audio processing chip 1, and the audio processing chip 1 can adopt a USB audio chip with the model SSS1700B 1.

Further, a resistor R1 is arranged between the SPDIF interface module 12 and the audio connector 3, and the resistance of the resistor R1 is 50-300 Ω, so that the digital audio signal received by the SPDIF interface module 12 is output through the audio connector 3 via the resistor R1, and the audio information output by the audio connector 3 is easier to drive a speaker to sound by adopting the resistor within the resistance range.

Digital audio device based on foretell electronic equipment, the utility model discloses still correspondingly provide an electronic equipment, including the electronic equipment body, be provided with digital audio device on the electronic equipment body. The electronic equipment can adopt ultrathin electronic products capable of outputting audio information, such as a USB audio USB flash disk, a small audio and the like. Since the digital audio device has been described in detail above, the description is omitted here.

To sum up, the utility model provides an electronic equipment and digital audio device thereof, wherein, digital audio device includes audio frequency processing chip, optical communication chip and audio connector, the audio frequency processing chip is connected with optical communication chip, audio connector electricity respectively, the optical communication chip is located audio connector department, the jack through audio connector is external to export optical signal and/or receive external input's optical signal, makes each spare part compact set of digital audio device to reduce its volume, satisfy the miniaturized requirement of electronic product. The audio connector is a 3.5mm audio connector, so that the audio connector can be used for the existing electronic products to enhance the applicability of the electronic products.

Furthermore, the utility model has the characteristics of simple structure, suitability are strong etc.

It should be understood that equivalents and modifications may be made thereto by those skilled in the art, and all such modifications and alterations are intended to fall within the scope of the appended claims.

Claims

1. The digital audio device of the electronic equipment is characterized by comprising an audio processing chip, an optical communication chip and an audio connector, wherein the audio processing chip is electrically connected with the optical communication chip and the audio connector respectively;

2. The digital audio device of the electronic equipment of claim 1, wherein the SPDIF interface module is electrically connected with an audio connector.

3. The digital audio device of the electronic equipment, according to claim 2, wherein a resistor is disposed between said SPDIF interface module and said audio connector, and the resistance of said resistor is 50-300 Ω.

4. The digital audio device of the electronic equipment according to claim 1, wherein the audio processing chip, the optical communication chip and the audio connector are disposed on a circuit board, the circuit board is provided with a through slot, and the audio connector is mounted in the through slot; the audio connector and the circuit board are welded and fixed by adopting a sinking plate.

5. The digital audio device of the electronic equipment of claim 1, wherein the optical communication chip comprises a light emitter, and the light emitter is mounted at the jack of the audio connector.

6. The digital audio device of the electronic equipment of claim 1 or 5, wherein the optical communication chip comprises an optical receiver, and the optical receiver is mounted at the jack of the audio connector.

7. The digital audio device of the electronic equipment of claim 1, wherein the audio connector is an audio connector having a connection line, and is electrically connected to the circuit board through the connection line.

8. The digital audio device of the electronic equipment of claim 5, wherein the light emitter is an LED.

9. The digital audio device of electronic equipment of claim 1, further comprising a USB connector, wherein the audio processing chip further comprises a USB interface module, and the USB connector, the USB interface module, and the digital audio processing module are connected in sequence.

10. An electronic device comprising an electronic device body, wherein the digital audio device of any one of claims 1-9 is disposed on the electronic device body.