CN212085389U

CN212085389U - Switching cable for switching analog signal to digital signal

Info

Publication number: CN212085389U
Application number: CN202021085265.3U
Authority: CN
Inventors: 黄宝华
Original assignee: Dongguan Leiqing Electronic Industrial Co ltd
Current assignee: Dongguan Leiqing Electronic Industrial Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-12-04
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an analog signal switches over digital signal's switching cable, including the connecting wire, DP ultrasonic wave upper cover, DP ultrasonic wave lower cover, the DP plug, VGA ultrasonic wave upper cover, VGA ultrasonic wave lower cover, the circuit board, VGA connects, first fixed screw and second fixed screw, the border of DP ultrasonic wave upper cover forms the DP lid with the border joint of DP ultrasonic wave lower cover, the DP connects the front end that is located the DP lid, the border of VGA ultrasonic wave upper cover forms the VGA lid with the border joint of VGA ultrasonic wave lower cover, the VGA connects the front end that is located the VGA lid, the circuit board is in the inside of VGA ultrasonic wave upper cover and VGA ultrasonic wave lower cover, signal connection between VGA joint and the circuit board, the one end of connecting wire is connected to the DP and covers, the other one end of connecting wire is connected to VGA and covers, first fixed screw is located the both sides of VGA lid respectively with the second fixed screw. The switching cable for switching the analog signal to the digital signal can convert the VGA signal into the DP signal, so that the effective conversion between the analog signal and the digital signal is achieved, and a user is not worried by the problem of interface difference.

Description

Switching cable for switching analog signal to digital signal

Technical Field

The utility model relates to a technical field of adapter especially relates to an analog signal switches over digital signal's switching cable.

Background

In the diversified application of the existing audio and video signal interface, a plurality of common cables can not solve the problem of one-line connection, the application of the existing analog signal and digital signal is very wide, but a conversion and transfer cable for converting the analog video signal (VGA) into the digital signal (DP) is lacked, so that the existing technology is single, and a user can not use the equipment due to the difference of the interfaces.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the switching cable for switching the analog signal to the digital signal can convert a VGA signal into a DP signal, so that the effective conversion between the analog signal and the digital signal is realized, and a user is not worried by the problem of interface difference.

To achieve the purpose, the utility model adopts the following technical proposal:

a switching cable for switching an analog signal to a digital signal comprises a connecting wire, a DP ultrasonic upper cover, a DP ultrasonic lower cover, a DP plug, a VGA ultrasonic upper cover, a VGA ultrasonic lower cover, a circuit board, a VGA joint, a first fixing screw and a second fixing screw, wherein the edge of the DP ultrasonic upper cover and the edge of the DP ultrasonic lower cover are clamped to form the DP cover, the DP joint is positioned at the front end of the DP cover, the edge of the VGA ultrasonic upper cover and the edge of the VGA ultrasonic lower cover are clamped to form the VGA cover, the VGA joint is positioned at the front end of the VGA cover, the circuit board is positioned inside the VGA ultrasonic upper cover and the VGA ultrasonic lower cover, the VGA joint is in signal connection with the circuit board, one end of the connecting wire is connected to the DP cover, the other end of the connecting wire is connected to the VGA cover, the first fixing screw and the second fixing screw are respectively positioned at two sides of the VGA cover, the first fixing screw and the second fixing screw penetrate through the VGA cover and the VGA joint.

As a preferred technical scheme, the end of the connecting wire close to the DP plug and the end of the connecting wire close to the VGA plug are both provided with a forming SR.

As a preferable technical scheme, a triangular anti-slip pattern is arranged on the outer side of the DP cover.

As a preferred technical scheme, the outer side of the VGA cover is provided with heat dissipation holes.

As a preferred technical scheme, the VGA cover is also connected with an audio input connector and a USB power supply interface.

As a preferred technical scheme, the first fixing screw and the second fixing screw are provided with a straight hole at one end close to the connecting line.

As a preferable technical solution, the first fixing screw and the second fixing screw are provided with threads connected with the outside at ends far away from the connecting line.

As a preferred technical solution, the connecting line is a DP cable.

The utility model has the advantages that: the utility model provides an analog signal switches over digital signal's switching cable, effectively solve the vacancy among the prior art, let the output device who has the VGA interface carry out effectual being connected with the display device who has the DP interface, this analog signal switches over digital signal's switching cable can convert the VGA signal into the DP signal, current VGA analog signal can switch over to DP digital signal through this technique, and then export on the display device, the user no longer is because the problem of interface difference and vexed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic overall structure diagram of a patch cable for transferring an analog signal to a digital signal according to an embodiment;

fig. 2 is an exploded view of a patch cable for analog signal to digital signal patch according to an embodiment;

fig. 3 to 13 are circuit diagrams of a patch cable for transferring an analog signal to a digital signal according to an embodiment.

In fig. 1 to 2:

1. a connecting wire; 2. a DP plug; 3. a circuit board; 4. a VGA connector; 5. a first fixing screw; 6. a second fixing screw; 7. a DP cover; 8. a VGA cover; 9. molding the SR; 10. triangular anti-skid lines; 11. heat dissipation holes; 12. an audio input connector; 13. a USB power supply interface; 14. and (4) threading.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 2, in this embodiment, a switching cable for switching an analog signal to a digital signal includes a connection line 1, a DP ultrasonic upper cover, a DP ultrasonic lower cover, a DP plug 2, a VGA ultrasonic upper cover, a VGA ultrasonic lower cover, a circuit board 3, a VGA connector 4, a first fixing screw 5 and a second fixing screw 6, an edge of the DP ultrasonic upper cover is clamped with an edge of the DP ultrasonic lower cover to form a DP cover 7, the DP connector is located at a front end of the DP cover 7, an edge of the VGA ultrasonic upper cover is clamped with an edge of the VGA ultrasonic lower cover to form a VGA cover 8, the VGA connector 4 is located at a front end of the VGA cover 8, the circuit board 3 is located inside the VGA ultrasonic upper cover and the VGA ultrasonic lower cover, the VGA connector 4 is in signal connection with the circuit board 3, one end of the connection line 1 is connected to the DP cover 7, the other end of connecting wire 1 is connected to on the VGA lid 8, first fixed screw 5 with second fixed screw 6 is located respectively VGA lid 8's both sides, first fixed screw 5 with second fixed screw 6 all runs through VGA lid 8 with VGA connects 4.

VGA (video Graphics array), commonly referred to as a VGA interface. The VGA interface is an interface for outputting analog signals on the display card. The VGA interface is a D-type interface, the upper surface of the VGA interface is totally 15 pins empty, the VGA interface is divided into three rows, and each row is five.

Dp (displayport) is a digital video interface standard developed by the consortium of PC and chip manufacturers, standardized by the Video Electronics Standards Association (VESA). The interface is free of authentication and authorization fund, is mainly used for connecting a video source and display equipment and also supports carrying audio, USB and other forms of data.

The DP connector is connected to a display device, the VGA connector 4 is connected to an output device, a circuit chip on the circuit board 3 is installed to be bridged, an analog signal is converted into a digital signal, the digital signal is converted into the digital signal to be output, the signal switching function is completed through signal conversion (VGA to HDMI, HDMI to DP) for three times, and the video-audio signal synchronous conversion device is characterized in that the mutual connection of interfaces is achieved through multiple times of conversion and communication is carried out, and the audio-video signal synchronous conversion can be carried out.

Specifically, one end of the connecting wire 1 close to the DP plug 2 and one end of the connecting wire 1 close to the VGA plug are both provided with a formed SR 9.

SR means that a positioning buckle is formed at a line position, the line is formed after welding, namely a fixed object is formed on one line, SR is the abbreviation of STRAIN RELIEF, and Chinese translation means the overflow opening.

And triangular anti-slip threads 10 are arranged on the outer side of the DP cover 7.

The triangular skid-resistant pattern 10 can increase the friction force of a human hand holding the DP.

The outer side of the VGA cover 8 is provided with a heat dissipation hole 11.

The heat generated from the circuit board 3 during operation will be dissipated from the heat dissipation hole 11.

The VGA cover 8 is also connected with an audio input connector 12 and a USB power supply interface 13.

The audio input connector 12 and the USB power supply interface 13 can add additional functions to the product, and meet the requirements of modernization.

The first fixing screw 5 and the second fixing screw 6 are provided with straight holes at one ends close to the connecting line 1.

The VGA connector 4 can be connected to an output device and fixed relatively by manually rotating the straight holes on the first fixing screw 5 and the second fixing screw 6 through a straight screwdriver.

Specifically, the first fixing screw 5 and the second fixing screw 6 are provided with threads 14 connected with the outside at the ends far away from the connecting line 1.

In the present embodiment, the connecting cable 1 is a DP cable.

Fig. 3 is a VGA interface: the VGA interface is used for connecting the outside; FIG. 4 is an explicit conversion module: VGA is converted into HDMI display output; fig. 5 is a filter circuit: the three-way filter circuit of V33, AV33 and AV33_ AU provides stable voltage for the IC; fig. 6 is a filter circuit: the three-way filter circuit of V18, AV18_ TX and AV18 provides stable voltage for the IC; fig. 7 is a power module: 3.3V voltage is provided for the VGA to HDMI module IC; fig. 8 is a power module: 1.8V voltage is provided for the VGA to HDMI module IC; fig. 9 shows an HDMI to DP module: converting the HDMI signal into a DP signal and outputting; fig. 10 shows an LD0 circuit: converting 5V into 3.3V to be output, and providing 3.3V voltage for the IC converted from HDMI to DP; fig. 11 is a DCDC circuit: converting the 5V voltage into 1.2V voltage, and providing 1.2V voltage for the IC converted from HDMI to DP; fig. 12 is a DCDC circuit: converting the 5V voltage into 1.8V voltage, and providing 1.8V voltage for the IC converted from HDMI to DP; fig. 13 is a logic circuit of the entire product.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. A switching cable for switching an analog signal to a digital signal is characterized by comprising a connecting wire, a DP ultrasonic upper cover, a DP ultrasonic lower cover, a DP plug, a VGA ultrasonic upper cover, a VGA ultrasonic lower cover, a circuit board, a VGA connector, a first fixing screw and a second fixing screw, wherein the edge of the DP ultrasonic upper cover and the edge of the DP ultrasonic lower cover are clamped to form the DP cover, the DP plug is positioned at the front end of the DP cover, the edge of the VGA ultrasonic upper cover and the edge of the VGA ultrasonic lower cover are clamped to form the VGA cover, the VGA connector is positioned at the front end of the VGA cover, the circuit board is positioned inside the VGA ultrasonic upper cover and the VGA ultrasonic lower cover, the VGA connector is in signal connection with the circuit board, one end of the connecting wire is connected to the DP cover, and the other end of the connecting wire is connected to the VGA cover, the first fixing screw and the second fixing screw are respectively located on two sides of the VGA cover, and the first fixing screw and the second fixing screw penetrate through the VGA cover and the VGA joint.

2. A patch cable for analog signal to digital signal conversion as claimed in claim 1, wherein said connecting cable has a shaped SR at both the end near said DP plug and the end near said VGA plug.

3. A patch cable for analog to digital conversion as claimed in claim 1, wherein said DP cover is provided with triangular anti-slip patterns on the outside.

4. A patch cable for analog signal to digital signal conversion as claimed in claim 1, wherein said VGA cover is provided with heat dissipation holes on the outside.

5. A patch cable for analog to digital conversion as claimed in claim 1, wherein said VGA cover further comprises an audio input connector and a USB power interface.

6. A patch cable for analog to digital conversion as claimed in claim 1, wherein said first and second fixing screws have a straight hole at an end thereof adjacent to said connection line.

7. A patch cable for analog signal to digital signal conversion as claimed in claim 1, wherein said first and second fixing screws have threads at ends thereof remote from said connection line.

8. A patch cable for switching an analog signal to a digital signal as claimed in claim 1, wherein said connection cable is a DP cable.