CN203747907U - VGA signal and HDMI signal mutual conversion signal converter - Google Patents

VGA signal and HDMI signal mutual conversion signal converter Download PDF

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Publication number
CN203747907U
CN203747907U CN201420127652.7U CN201420127652U CN203747907U CN 203747907 U CN203747907 U CN 203747907U CN 201420127652 U CN201420127652 U CN 201420127652U CN 203747907 U CN203747907 U CN 203747907U
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China
Prior art keywords
signal
hdmi
vga
input
output
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Expired - Fee Related
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CN201420127652.7U
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Chinese (zh)
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邓海群
黄向荣
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SHENZHEN GONGLIAN ELECTRONIC Co Ltd
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SHENZHEN GONGLIAN ELECTRONIC Co Ltd
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Abstract

The utility model discloses a VGA signal and HDMI signal mutual conversion signal converter. The VGA signal and HDMI signal mutual conversion signal converter includes an installation box, an analog audio signal input socket, a VGA signal input socket, an HDMI signal output socket, an HDMI signal input socket, a VGA signal output socket, an analog audio signal output socket, a signal conversion circuit which converts VGA signals into HDMI signals and a signal conversion circuit which converts HDMI signals into VGA signals, wherein the two signal conversion circuits are arranged in the installation box. With the VGA signal and HDMI signal mutual conversion signal converter of the utility model adopted, mutual conversion of the VGA signals and the HDMI signals can be realized, and an HDMI signal playing device can be connected with an analog signal display terminal, and therefore, image fidelity is high, and the VGA signal and HDMI signal mutual conversion signal converter is easy to use; and the VGA signals and the HDMI signals can be converted mutually according to different requirements. When the VGA signal and HDMI signal mutual conversion signal converter is applied to work, troubles brought about by purchasing a variety of signal converters can be saved, and at the same time, troubles brought about by temporarily purchasing or borrowing signal converters can be decreased, and therefore, work efficiency can be improved. Compared with a plurality of signal converters, the VGA signal and HDMI signal mutual conversion signal converter of the utility model can assist in saving occupied space.

Description

A kind of VGA signal and HDMI signal be the signal converter of conversion mutually
Technical field
The utility model relates to a kind of signal converter, particularly a kind of VGA signal and the HDMI signal signal converter of conversion mutually.
Background technology
At present between the display terminal of the playback equipment of HDMI digital signal and input analog signal, signal is incompatible, or time analog signal playback equipment and to input between the display terminal of HDMI digital signal signal incompatible, cause the two cannot connect use.Along with being furnished with the universal rapidly of high-definition digital interface playback equipment, and the fast development in multimedia audio-video field, increasing people need to convert VGA signal to HDMI signal or HDMI signal is converted to VGA signal.But current existing signal converter function is comparatively single, if sometimes needed, VGA signal is converted to HDMI signal, sometimes need HDMI signal to be converted to VGA signal, under this kind of situation, just need to purchase two signal converters, if do not have two kinds of signal converters, just need purchase separately or use lacked signal converter, this situation can exert an influence to work etc., and purchase two kinds of signal converters simultaneously, be also not easy to equipment control.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model be to provide a kind of easy to use, take up room little and can realize the signal converter that VGA signal is converted to HDMI signal and HDMI signal can be converted to again VGA signal.
The technical solution of the utility model is achieved in that a kind of VGA signal and the HDMI signal signal converter of conversion mutually, comprises mounting box, simulated audio signal input socket, VGA signal input socket, HDMI signal output socket, HDMI signal input socket, VGA signal output socket, simulated audio signal output socket, converts VGA signal the signaling conversion circuit of HDMI signal to and HDMI signal is converted to the signaling conversion circuit of VGA signal; Described simulated audio signal input socket, described VGA signal input socket and described HDMI signal output socket are arranged on the first side wall of described mounting box; The output of the output of described VGA signal input socket and described simulated audio signal input socket is connected with the described signal input part that converts VGA signal the signaling conversion circuit of HDMI signal to; The signal output part of the described signaling conversion circuit that VGA signal is converted to HDMI signal is connected with the input of described HDMI signal output socket; Described HDMI signal input socket, described VGA signal output socket and described simulated audio signal output socket are arranged on the second sidewall of described mounting box; Described the first side wall is two relative sidewalls with described the second sidewall; The output of described HDMI signal input socket is connected with the described signal input part that converts HDMI signal the signaling conversion circuit of VGA signal to; The signal output part of the described signaling conversion circuit that HDMI signal is converted to VGA signal is connected respectively with the input of described VGA signal output socket and the input of described analogue audio frequency output socket; Described signaling conversion circuit and the described signaling conversion circuit that converts HDMI signal to VGA signal that converts VGA signal to HDMI signal is arranged in described mounting box.
Above-mentioned VGA signal and HDMI signal be mutually in the signal converter of conversion, and the described signaling conversion circuit that converts VGA signal to HDMI signal comprises simulation VGA video signal input module, vision signal modular converter, simulated audio signal input module, audio signal modular converter, HDMI video format conversion and HDCP decoder module and TDMS differential signal output module; Described simulation VGA video signal input module and described simulated audio signal input module are the described signal input part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described VGA signal input socket is connected with the input of described simulation VGA video signal input module; The output of described simulation VGA video signal input module is connected with the input of described vision signal modular converter; The output of described vision signal modular converter is connected with the input of described HDMI video format conversion and HDCP decoder module; The output of described HDMI video format conversion and HDCP decoder module is connected with the input of described TDMS differential signal output module; Described TDMS differential signal output module is the described signal output part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described TDMS differential signal output module is connected with the input of HDMI signal output socket; The output of described analogue audio frequency input socket is connected with the input of described analogue audio frequency input module; The output of described analogue audio frequency input module is connected with the input of described audio signal modular converter; The output of described audio signal modular converter is connected with the input of described HDMI video format conversion and HDCP decoder module.
Above-mentioned VGA signal and HDMI signal be mutually in the signal converter of conversion, and the described signaling conversion circuit that converts HDMI signal to VGA signal comprises HDMI signal input module, audio/video decoding module, simulated audio signal output module and VGA signal output module; Described HDMI signal input module is the described signal input part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described HDMI signal input socket is connected with the input of described HDMI signal input module; The output of described HDMI signal input module is connected with the input of described audio/video decoding module; The output of described audio/video decoding module is connected with the input of described VGA signal output module and the input of described simulated audio signal output module respectively; Described VGA signal output module and described simulated audio signal output module are the described signal output part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described VGA signal output module is connected with the input of described VGA signal output socket; The output of described simulated audio signal output module is connected with the input of described simulated audio signal output socket.
In the signal converter that above-mentioned VGA signal and HDMI signal are changed mutually, in order being user-friendly to, on described mounting box, on box wall, to be provided with two light-emitting diodes, preferably after energising, to send the light-emitting diode of different colours light.The input of the first light-emitting diode in described light-emitting diode is connected with the input of described simulation VGA video signal input module, and the output of described the first light-emitting diode is connected with the output of described TDMS differential signal output module; The input of the second light-emitting diode in described light-emitting diode is connected with the input of described HDMI signal input module, and the output of described the second light-emitting diode is connected with the output of described VGA signal output module.
The beneficial effects of the utility model are that the utility model can be realized the mutual conversion between VGA signal and HDMI signal, HDMI signal player device and analog signal display terminal can be coupled together, not only eyefidelity is high, and easy to use, can VGA signal and HDMI signal need to be changed mutually according to difference, apply in work, can remove the trouble of purchasing multi-signal transducer from, can reduce the trouble of purchasing temporarily or using signal converter simultaneously, and then increase work efficiency, and compared with multiple signal converters, the utility model also can be saved the space of hold facility.
Brief description of the drawings
Fig. 1 is the utility model VGA signal and the HDMI signal fundamental diagram of the signal converter of conversion mutually;
Fig. 2 is mounting box the first side wall structural representation in the mutual signal converter of changing of the utility model VGA signal and HDMI signal;
Mounting box the second side wall construction schematic diagram in the signal converter that Fig. 3 the utility model VGA signal and HDMI signal are changed mutually;
In the signal converter that Fig. 4 the utility model VGA signal and HDMI signal are changed mutually, VGA signal is converted to the signaling conversion circuit operation principle schematic diagram of HDMI signal;
In the signal converter that Fig. 5 the utility model VGA signal and HDMI signal are changed mutually, HDMI signal is converted to the signaling conversion circuit operation principle schematic diagram of VGA signal.
In figure, 1-mounting box, 2-simulated audio signal input socket, 3-VGA signal output socket, 4-HDMI signal output socket, 5-HDMI signal input socket, 6-VGA signal output socket, 7-simulated audio signal output socket, 8-simulation VGA video signal input module, 9-vision signal modular converter, 10-HDMI video format conversion and HDCP decoder module, 11-TMDS differential signal output module, 12-analogue audio frequency input module, 13-audio signal modular converter, 14-HDMI signal input module, 15-audio/video decoding module, 16-VGA signal output module, 17-analogue audio frequency output module.
Embodiment
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, VGA signal and HDMI signal be a signal converter for conversion mutually, comprises mounting box 1, simulated audio signal input socket 2, VGA signal input socket 3, HDMI signal output socket 4, HDMI signal input socket 5, VGA signal output socket 6, simulated audio signal output socket 7, converts VGA signal the signaling conversion circuit of HDMI signal to and HDMI signal is converted to the signaling conversion circuit of VGA signal; Described simulated audio signal input socket 2, described VGA signal input socket 3 and described HDMI signal output socket 4 are arranged on the first side wall of described mounting box 1; Described HDMI signal input socket 5, described VGA signal output socket 6 and described simulated audio signal output socket 7 are arranged on the second sidewall of described mounting box 1; Described the first side wall is two relative sidewalls with described the second sidewall; Described signaling conversion circuit and the described signaling conversion circuit that converts HDMI signal to VGA signal that converts VGA signal to HDMI signal is arranged in described mounting box 1; As shown in Figure 4, the described signaling conversion circuit that converts VGA signal to HDMI signal comprises simulation VGA video signal input module 8, vision signal modular converter 9, simulated audio signal input module 12, audio signal modular converter 13, HDMI video format conversion and HDCP decoder module 10 and TDMS differential signal output module 11; Described simulation VGA video signal input module 8 and described simulated audio signal input module 9 are the described signal input part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described VGA signal input socket 3 is connected with the input of described simulation VGA video signal input module 8; The output of described simulation VGA video signal input module 8 is connected with the input of described vision signal modular converter 9; The output of described vision signal modular converter 9 is connected with the input of described HDMI video format conversion and HDCP decoder module 10; The output of described HDMI video format conversion and HDCP decoder module 10 is connected with the input of described TDMS differential signal output module 11; Described TDMS differential signal output module is the described signal output part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described TDMS differential signal output module 11 is connected with the input of described HDMI signal output socket 4; The output of described analogue audio frequency input socket 12 is connected with the input of described analogue audio frequency input module 13; The output of described analogue audio frequency input module 12 is connected with the input of described audio signal modular converter 13; The output of described audio signal modular converter 13 is connected with the input of described HDMI video format conversion and HDCP decoder module 10; As shown in Figure 5, the described signaling conversion circuit that converts HDMI signal to VGA signal comprises HDMI signal input module 14, audio/video decoding module 15, simulated audio signal output module 16 and VGA signal output module 17; Described HDMI signal input part 14 is the described signal input part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described HDMI signal input socket 5 is connected with the input of described HDMI signal input module 14; The output of described HDMI signal input module 13 is connected with the input of described audio/video decoding module 15; The output of described audio/video decoding module 15 is connected with the input of described VGA signal output module and the input of described simulated audio signal output module 17 respectively; Described VGA signal output module 16 and described simulated audio signal output module 17 are the described signal output part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described VGA signal output module 16 is connected with the input of described VGA signal output socket; The output of described simulated audio signal output module 17 is connected with the input of described simulated audio signal output socket.
In order to be user-friendly to, on described mounting box 1, on box wall, be provided with two light-emitting diodes, preferably after energising, send the light-emitting diode of different colours light.The input of the first light-emitting diode in described light-emitting diode is connected with the input of described simulation VGA video signal input module 3, and the output of described the first light-emitting diode is connected with the output of described TDMS differential signal output module 11; The input of the second light-emitting diode in described light-emitting diode is connected with the input of described HDMI signal input module 14, and the output of described the second light-emitting diode is connected with the output of described VGA signal output module 16.
While using the utility model to convert VGA signal to HDMI signal:
To be connected by data cable with the input of described VGA signal input socket 3 with the VGA signal output part of VGA signal and the equipment of simulated audio signal output, then the described simulated audio signal output with VGA signal and the equipment of simulated audio signal output is connected by data cable with the input of described analogue audio frequency input socket 2, then the input of HDMI signal player device is connected with HDMI line with the output of described HDMI signal output socket 4.VGA signal enters VGA signal is converted in the signaling conversion circuit of HDMI signal through data cable and described VGA signal input socket 3, converts high accuracy video signal to by described vision signal modular converter 9; Simulated audio signal converts the digital audio and video signals of HDMI form to by described audio conversion module 13; Described high accuracy video signal and described digital audio and video signals generate the digital signal of HDMI form by described HDMI video format conversion and HDCP decoder module 10; The digital signal of described HDMI form, by playing in described TDMS differential signal output module 11, described HDMI signal output socket 2 and HDMI line input HDMI signal player device, also can be stored in the electronic equipment with HDMI signal input part.
In the time converting VGA signal to HDMI signal, for signal conversion work is optimized, can in the signaling conversion circuit that VGA signal is converted to HDMI signal, add synchronous processing and signal generator module, serial external memory storage, memory signals processor and HDMI configuration register.The input of described synchronous processing and signal generator module is connected with the output of described simulation VGA signal input module, and the input of described synchronous processing and signal generator module is connected with the input of described analog video signal modular converter; Described memory signals processor is synchronizeed processing and signal generator module, described serial external memory storage and the two-way connection of described HDMI configuration register with described respectively.By described serial external memory storage, described storage signal processor and described HDMI configuration register, can be according to the parameters of video card information leaving in advance in described serial external memory storage, after described storage signal processor gives signal designation that signal input gives an order information, by the respective chip in described HDMI configuration register and described vision signal modular converter, signal conversion work is optimized.
VGA signal being converted in the signaling conversion circuit of HDMI signal, the preferred TV5735 chip of described vision signal modular converter; The preferred CAT6613 chip of described HDMI video format conversion and HDCP decoder module; The preferred CS5342 chip of described audio signal modular converter; The preferred CS8955G chip of described memory processor.
While using the utility model to convert HDMI signal to VAG signal:
The HDMI signal output part of the equipment with HDMI signal output part is connected by HDMI line with the input of described HDMI signal input socket 14, then the VGA signal input part of the VGA signal player device with VGA signal input part is connected with the output of described VGA signal output socket 3, the analogue audio frequency input of the audio-frequence player device with analogue audio frequency input is connected by data cable with the output of described analogue audio frequency output socket.HDMI signal enters the described signaling conversion circuit that HDMI signal is converted to VGA signal by HDMI line and described HDMI signal input socket 5 from the described equipment with HDMI signal output part.HDMI signal enters audio/video decoding module parses by the output of described HDMI signal input module 9 and goes out audio signal and VGA signal.Described VGA signal enters in the audio-frequence player device with VGA signal input part and plays via described VGA signal output module, described VGA signal output socket 3, data cable; Described audio signal enters in the audio-frequence player device with simulated audio signal input and plays via described simulated audio signal output module, described simulated audio signal output socket, data cable.Described audio signal is divided into digital audio and video signals and simulated audio signal, can be according to the required selection digital audio and video signals of reality or simulated audio signal.Described VGA signal and described audio signal also can dump in electronic equipment.
HDMI signal being converted in the signaling conversion circuit of VGA signal, the preferred EM2860 of described audio/video decoding module.
The utility model is easy to use, simple to operate, only need select according to actual needs corresponding translative mode, then join dependency equipment can realize that VGA signal converts HDMI signal to or HDMI signal is converted to VGA signal as requested, more without prepare two signal converters, also not can because of lack in two kinds of signal converters any one and dally over one's work.
Above-described embodiment is only for the invention example is clearly described, and the not restriction to the invention embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.All any apparent variations of being extended out within the spirit and principles in the present invention or variation are still among the protection range in the invention claim.

Claims (3)

1. a VGA signal and the HDMI signal signal converter of conversion mutually, it is characterized in that, comprise mounting box (1), simulated audio signal input socket (2), VGA signal input socket (3), HDMI signal output socket (4), HDMI signal input socket (5), VGA signal output socket (6), simulated audio signal output socket (7), convert VGA signal the signaling conversion circuit of HDMI signal to and HDMI signal is converted to the signaling conversion circuit of VGA signal; Described simulated audio signal input socket (2), described VGA signal input socket (3) and described HDMI signal output socket (4) are arranged on the first side wall of described mounting box (1); The output of the output of described VGA signal input socket (3) and described simulated audio signal input socket (2) is connected with the described signal input part that converts VGA signal the signaling conversion circuit of HDMI signal to; The signal output part of the described signaling conversion circuit that VGA signal is converted to HDMI signal is connected with the input of described HDMI signal output socket (4); Described HDMI signal input socket (5), described VGA signal output socket (6) and described simulated audio signal output socket (7) are arranged on the second sidewall of described mounting box (1); Described the first side wall is two relative sidewalls with described the second sidewall; The output of described HDMI signal input socket (5) is connected with the described signal input part that converts HDMI signal the signaling conversion circuit of VGA signal to; The signal output part of the described signaling conversion circuit that HDMI signal is converted to VGA signal is connected respectively with the input of described VGA signal output socket (6) and the input of described analogue audio frequency output socket (7); Described signaling conversion circuit and the described signaling conversion circuit that converts HDMI signal to VGA signal that converts VGA signal to HDMI signal is arranged in described mounting box (1).
2. VGA signal according to claim 1 and the HDMI signal signal converter of conversion mutually, it is characterized in that, the described signaling conversion circuit that converts VGA signal to HDMI signal comprises simulation VGA video signal input module (8), vision signal modular converter (9), simulated audio signal input module (12), audio signal modular converter (13), HDMI video format conversion and HDCP decoder module (10) and TDMS differential signal output module (11); Described simulation VGA video signal input module (8) and described simulated audio signal input module (12) are the described signal input part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described VGA signal input socket (3) is connected with the input of described simulation VGA video signal input module (8); The output of described simulation VGA video signal input module (8) is connected with the input of described vision signal modular converter (9); The output of described vision signal modular converter (9) is connected with the input of described HDMI video format conversion and HDCP decoder module (10); The output of described HDMI video format conversion and HDCP decoder module (10) is connected with the input of described TDMS differential signal output module (11); Described TDMS differential signal output module (11) is the described signal output part that VGA signal is converted to the signaling conversion circuit of HDMI signal; The output of described TDMS differential signal output module (11) is connected with the input of HDMI signal output socket (4); The output of described analogue audio frequency input socket (2) is connected with the input of described analogue audio frequency input module (12); The output of described analogue audio frequency input module (12) is connected with the input of described audio signal modular converter (13); The output of described audio signal modular converter (13) is connected with the input of described HDMI video format conversion and HDCP decoder module (10).
3. VGA signal according to claim 1 and the HDMI signal signal converter of conversion mutually, it is characterized in that, the described signaling conversion circuit that converts HDMI signal to VGA signal comprises HDMI signal input module (14), audio/video decoding module (15), simulated audio signal output module (17) and VGA signal output module (16); Described HDMI signal input module (14) is the described signal input part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described HDMI signal input socket (5) is connected with the input of described HDMI signal input module (14); The output of described HDMI signal input module (14) is connected with the input of described audio/video decoding module (15); The output of described audio/video decoding module (15) is connected with the input of described VGA signal output module (16) and the input of described simulated audio signal output module (17) respectively; Described VGA signal output module (16) and described simulated audio signal output module (17) are the described signal output part that HDMI signal is converted to the signaling conversion circuit of VGA signal; The output of described VGA signal output module (16) is connected with the input of described VGA signal output socket (6); The output of described simulated audio signal output module (17) is connected with the input of described simulated audio signal output socket (7).
CN201420127652.7U 2014-03-20 2014-03-20 VGA signal and HDMI signal mutual conversion signal converter Expired - Fee Related CN203747907U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106713786A (en) * 2017-03-10 2017-05-24 锐达互动科技股份有限公司 Multimedia high definition output controller for teaching
CN107666579A (en) * 2016-07-27 2018-02-06 北京计算机技术及应用研究所 A kind of long range transmission of video display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107666579A (en) * 2016-07-27 2018-02-06 北京计算机技术及应用研究所 A kind of long range transmission of video display device
CN107666579B (en) * 2016-07-27 2020-06-30 北京计算机技术及应用研究所 Long-distance video transmission display equipment
CN106713786A (en) * 2017-03-10 2017-05-24 锐达互动科技股份有限公司 Multimedia high definition output controller for teaching

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