CN219574436U - TOSLINK module and connector - Google Patents

Abstract

The utility model relates to the technical field of audio interfaces, and discloses a TOSLINK module, which comprises a TOSLINK male head cover body, a rear cover detachably connected to the end part of the TOSLINK male head cover body, an optical-to-electrical chip, a PCB board and an optical fiber interface.

Description

TOSLINK module and connector

Technical Field

The present utility model relates to the field of audio interfaces, and in particular, to a TOSLINK module and a connector.

Background

TOSLINK is used as an interface for many years, and is used on many audio sources and audio devices such as CD players, and the transmission of audio signals through TOSLINK cables is not easy to be affected by line noise or other electromagnetic phenomena, so that the TOSLINK is free from interference in use, but with the development of technology, HDMI (high definition multimedia interface) sockets can simultaneously transmit audio and video signals, and the TOSLINK is increasingly used on the audio sources and the audio devices because of the advantages of high compatibility, popularity, small volume, low cost and the like. TOSLINK is a connector for transmitting optical signals of audio content, and the implementation mode of the existing application is that firstly, an audio source device performs electric conversion into optical signals for output, the optical signals are transmitted through a TOSLINK cable (the two ends of the TOSLINK are the TOSLINK male heads), and then the optical signals are input through an audio device and then converted into electric signals. The HDMI base can only transmit electric signals, cannot transmit optical signals, and cannot convert the optical signals into electric signals.

In the application document with the publication number of CN206655742U, a novel HDMI and TOSLINK digital interface video/audio connection device is disclosed, including the female seat connector of HDMI, the female seat connector interface afterbody of HDMI is connected with the PCB keysets through SMT, and the female seat connector of HDMI constitutes the fixed connection structure that inserts through U type strengthening groove structure and the PCB keysets of one side, be equipped with parallel signal pad structure and a word ground wire pad structure on the PCB keysets, this parallel signal pad structure and a word ground wire pad structure and flat superfine coaxial wire assorted.

Above-mentioned application file is connected novel HDMI and TOSLINK, for the conversion between the photoelectric signal, current sound source adapter on the market has DMI to TYPE-C interface, HDMI to LVDS digital interface etc. and this switching all is the conversion and the connection between the signal of telecommunication, is difficult to realize the optical signal of optic fibre and changes the signal of telecommunication, consequently is difficult to directly connect the sound equipment of HDMI interface and the sound equipment of TOSLINK interface and uses, just so just results in the sound equipment that has the HDMI female seat can't be connected with the sound equipment of TOSLINK interface and uses, has reduced the application scenario of two kinds of equipment.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a TOSLINK module and a connector for connecting a sound source with a TOSLINK interface and sound equipment with an HDMI female seat.

In one aspect, the embodiment of the utility model provides a TOSLINK module, which comprises a TOSLINK male cap body, a rear cap detachably connected to the end part of the TOSLINK male cap body, a photoelectric conversion chip, a PCB board and an optical fiber interface, wherein the end part of the TOSLINK male cap body is provided with a chip slot, the photoelectric conversion chip is installed in the chip slot, the rear cap fixes the photoelectric conversion chip in the chip slot, one end of the optical fiber interface extends into the TOSLINK male cap body and extends to the inner wall of the chip slot, the PCB board is arranged at the bottom of the TOSLINK male cap body, and chip pins of the photoelectric conversion chip penetrate through the TOSLINK male cap body and are electrically connected with the PCB board.

According to the scheme, the photoelectric conversion chip is used for converting optical signals into electrical signals, the rear cover is used for fixing the photoelectric conversion chip in the chip slot in the TOSLINK male cover body, the optical fiber interface is convenient to fixedly mount, the optical fiber interface extends to the photoelectric conversion chip, photoelectric signal conversion is achieved, the photoelectric conversion chip is electrically connected with the PCB, the electrical signals are transmitted, and the condition that the photoelectric conversion acoustic equipment is needed to be relied on is eliminated through the TOSLINK module, so that connection between the acoustic source equipment with the TOSLINK interface and the acoustic equipment with the HDMI interface is achieved.

The utility model discloses a TOSLINK male head cover, including the top of TOSLINK male head cover, the top middle part of TOSLINK male head cover is provided with logical groove, be provided with the mounting in the logical groove, be provided with the circular arc draw-in groove on the mounting, the optic fibre interface outer wall is provided with annular groove, the circular arc draw-in groove with the outer wall adaptation of annular groove, the bottom both ends of circular arc draw-in groove with the PCB board is connected. Therefore, through the clamping fit of the circular arc clamping groove and the annular groove, the clamping between the fixing piece and the optical fiber interface is fixed, the optical fiber interface is prevented from loosening during insertion and extraction, the use is affected, and the through groove is convenient for the fixing piece to be installed in the TOSLINK male cap body.

The male head cover body of TOSLINK's outside both ends are provided with the arch, the both ends of back lid all be provided with protruding looks adaptation's draw-in groove. Therefore, the detachable connection between the rear cover and the TOSLINK male cover body is realized through the buckling between the clamping groove and the bulge.

And an optical fiber is arranged in the optical fiber interface and is in optical connection with the optical-to-electrical chip. Therefore, the optical fiber is optically connected with the photoelectric conversion chip, and conversion from an optical signal to an electric signal is realized.

On the other hand, the embodiment of the utility model also discloses a connector, which comprises an HDMI (high-definition multimedia interface) socket, a transmission line and the TOSLINK module, wherein the HDMI socket is connected with the TOSLINK module through the transmission line. Therefore, the transmission line is connected with the interfaces on the two devices and the HDMI female seat through the TOSLINK module, the situation that the photoelectric conversion acoustic equipment is needed is eliminated, and accordingly connection between the acoustic source equipment with the TOSLINK interface and the acoustic equipment with the HDMI interface is achieved.

The transmission line with the PCB board electricity is connected, the public lid of TOSLINK with the junction cover of transmission line is equipped with the connection section of thick bamboo spare, the outside cover of connection section of thick bamboo spare is equipped with TOSLINK module shell.

Drawings

FIG. 1 is a schematic diagram of a TOSLINK module;

FIG. 2 is an exploded view of the TOSLINK module;

FIG. 3 is a cross-sectional view of the TOSLINK module;

FIG. 4 is a schematic structural view of the connector;

FIG. 5 is a schematic structural view of the connector;

fig. 6 is a schematic structural view of the connector.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 6, the present utility model is a TOSLINK module and a connector, the TOSLINK module includes a TOSLINK male cap 1, a rear cap 2 detachably connected to the end of the TOSLINK male cap 1, an optical-to-electrical chip 3, a PCB board 4 and an optical fiber interface 5, the end of the TOSLINK male cap 1 is provided with a chip slot 6, the optical-to-electrical chip 3 is mounted in the chip slot 6, the rear cap 2 fixes the optical-to-electrical chip 3 in the chip slot 6, one end of the optical fiber interface 5 extends into the TOSLINK male cap 1 and extends to the inner wall of the chip slot 6, the PCB board 4 is disposed at the bottom of the TOSLINK male cap 1, the chip pins 31 of the optical-to-electrical chip 3 penetrate through the TOSLINK male cap 1 and the PCB board 4, the connector includes an HDMI socket 9, a transmission line 10 and an HDMI, and the TOSLINK module is connected to the TOSLINK via the HDMI socket 9.

In this embodiment, the chip pins 31 are three pins, and holes adapted to the chip pins 31 are provided on the PCB.

The utility model discloses a TOSLINK male end lid 1's top middle part is provided with logical groove 11, be provided with mounting 7 in the logical groove 11, be provided with circular arc draw-in groove 8 on the mounting 7, fiber interface 5 outer wall is provided with annular groove 51, circular arc draw-in groove 8 with the outer wall adaptation of annular groove 51, the bottom both ends of circular arc draw-in groove 8 with PCB board 4 is connected.

The two ends of the outer side of the TOSLINK male cap body 1 are provided with protrusions 12, and two ends of the rear cap 2 are provided with clamping grooves 21 matched with the protrusions 12.

An optical fiber is arranged in the optical fiber interface 5, and the optical fiber is in optical connection with the optical-to-electrical chip 3.

In this embodiment, the transmission line 10 is composed of three sets of cores horizontally arranged in parallel.

The transmission line 10 is electrically connected with the PCB 4, a connecting cylinder 13 is sleeved at the joint of the TOSLINK male cover 1 and the transmission line 10, and a TOSLINK module housing 14 is sleeved at the outer side of the connecting cylinder 13.

In this embodiment, the TOSLINK module housing 14 is formed by injection molding, and a protective soft adhesive is disposed on the TOSLINK module housing 14 to avoid breaking at the connection with the transmission line 10.

The working flow of the utility model is as follows: the HDMI base 9 is connected with sound equipment with an HDMI base, the optical fiber interface 5 is connected with sound source equipment with a TOSLINK male head, and through the TOSLINK module, optical signals of the TOSLINK male head are converted into electric signals of the HDMI base, so that connection between the sound source equipment with the HDMI interface and the sound equipment with the TOSLINK interface is achieved.

Finally, it should be emphasized that the above description is not intended to limit the utility model, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any modifications, equivalents, improvements, etc. are intended to be included within the scope of the present utility model.

Claims (6)

1. A TOSLINK module, characterized in that: including TOSLINK male head cover (1), detachable connection be in back lid (2), photoelectric conversion chip (3), PCB board (4) and optical fiber interface (5) of TOSLINK male head cover (1) tip, the tip of TOSLINK male head cover (1) is provided with chip slot (6), photoelectric conversion chip (3) are installed in chip slot (6), back lid (2) will photoelectric conversion chip (3) are fixed in chip slot (6), the one end of optical fiber interface (5) stretches into in TOSLINK male head cover (1) and extend to the inner wall of chip slot (6), PCB board (4) set up the bottom of TOSLINK male head cover (1), chip pin (31) of photoelectric conversion chip (3) pass TOSLINK male head cover (1) with PCB board (4) electricity is connected.

2. The TOSLINK module according to claim 1, wherein: the utility model discloses a TOSLINK male end lid (1) top middle part is provided with logical groove (11), be provided with mounting (7) in logical groove (11), be provided with circular arc draw-in groove (8) on mounting (7), fiber interface (5) outer wall is provided with annular groove (51), circular arc draw-in groove (8) with the outer wall adaptation of annular groove (51), the bottom both ends of circular arc draw-in groove (8) with PCB board (4) are connected.

3. The TOSLINK module according to claim 1, wherein: the TOSLINK male end cover body (1) outside both ends are provided with protruding (12), the both ends of back lid (2) all be provided with draw-in groove (21) of protruding (12) looks adaptation.

4. The TOSLINK module according to claim 1, wherein: an optical fiber is arranged in the optical fiber interface (5), and the optical fiber is in optical connection with the optical conversion chip (3).

5. A connector comprising the TOSLINK module of any one of claims 1-4, characterized in that: the connector comprises an HDMI (high-definition multimedia interface) socket (9), a transmission line (10) and the TOSLINK module, wherein the HDMI socket (9) is connected with the TOSLINK module through the transmission line (10).

6. A connector according to claim 5, wherein: the transmission line (10) is electrically connected with the PCB (4), a connecting cylinder (13) is sleeved at the joint of the TOSLINK male head cover (1) and the transmission line (10), and a TOSLINK module shell (14) is sleeved at the outer side of the connecting cylinder (13).