CN204069167U - Novel HDMI signal adapter - Google Patents

Novel HDMI signal adapter Download PDF

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Publication number
CN204069167U
CN204069167U CN 201420326822 CN201420326822U CN204069167U CN 204069167 U CN204069167 U CN 204069167U CN 201420326822 CN201420326822 CN 201420326822 CN 201420326822 U CN201420326822 U CN 201420326822U CN 204069167 U CN204069167 U CN 204069167U
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China
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signal
module
hdmi
hdmi signal
audio
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CN 201420326822
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Chinese (zh)
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李森山
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深圳市东景盛电子技术有限公司
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Abstract

The utility model provides a novel HDMI signal adapter which comprises an HDMI signal transmitting end and an HDMI signal receiving end. The HDMI signal transmitting end is an optical cable transmitting device. The HDMI signal receiving end is an optical cable receiving device. The HDMI signal transmitting end comprises an HDMI signal input module, an audio and video processing module, an MCU control module and an optical cable signal output module. The HDMI signal receiving end comprises an HDMI signal input module, an audio and video processing module, an MCU control module and an optical cable signal output module. Compared with the prior art, the novel HDMI signal adapter provided by the utility model has the advantages that an HDMI signal is amplified; the signal transmission distance is extended; the HDMI signal is distributed to a number of display devices for display; and the novel HDMI signal adapter supports the maximum resolution of 4K*2K, can be directly connected with a standard HDMI interface of a video source or a display device, and can be applied to a video conference, a large screen display and multimedia display control system, a high-quality image display project and a medical image display and projection system.

Description

—种新型HDMI信号适配器 - new type HDMI signal adapter

技术领域 FIELD

[0001] 本实用新型涉及电子技术领域,尤其是涉及一种新型HDMI信号适配器。 [0001] The present invention relates to electronic technologies, and particularly relates to a novel adapter HDMI signal.

背景技术 Background technique

[0002] HDMI是一种未压缩的全数字消费电子产品接口标准,将高清晰度视频与多频道音频信号融合连接到单一数字接口上进行合成处理,通过一更线缆传送出去,广泛应用于DVD播放机、有线电视/卫星电视机顶盒、HDTV以及其它数字视听设备上,可以有效提高数字图像的质量,不再需要进行模数转换。 [0002] HDMI is an uncompressed digital interface standard consumer electronics, connecting the high-definition video and audio signals into a single multi-channel fusion digital interface combining processing, is transmitted via a further cable, it is widely used in a DVD player, cable / satellite TV set-top boxes, HDTV and other digital audio-visual equipment, can effectively improve the quality of digital images, eliminating the need for analog to digital conversion.

[0003] HDMI接口是目前国际上最先进的数字电视接口标准,是家电产品数字信号传输、连接的完美解决方案。 [0003] HDMI Interface is currently the most advanced digital TV interface standard, is an appliance digital signal transmission, the perfect solution for the connection. HDMI是基于DVI (Digital Visual Interface)制定的,可以看作是DVI的强化与延伸,两者可以兼容。 HDMI is DVI (Digital Visual Interface) based on established, can be seen as strengthening and extension of DVI, the two can be compatible. HDMI在保持高品质的情况下能够以数字传输未经压缩的高分辫率视频和多声道音频数据,最高传输速度为5Gbps。 In the case of HDMI are capable of maintaining high quality uncompressed digital transmission of video and high - resolution multi-channel audio data, the maximum transmission speed of 5Gbps. 不容置疑,高清晰多媒体接口HDMI是视听产业不可或缺的重要构件,它将是未来视听产业发展的一大主流趋势,因此HDMI连接器无疑也将成为连接器业界共同关注的焦点,为了顺应这一发展潮流,业界陆续不断推出诸多新型结构以满足高速传输的需求。 No doubt, high-definition multimedia interface (HDMI) audiovisual industry is an indispensable component, it will be the future development of the audiovisual industry in a mainstream trend, so HDMI connector will undoubtedly become the focus of the connector industry of common concern, in order to comply with this a development trend of the industry after another has introduced many new structures to meet the needs of high-speed transmission.

[0004] 远程传输时,由于普通的HDMI线材远程传输时照成信号衰减、延时等会照成图像失真,或者无法传输信号,HDMI经过远距离传输后,信号衰减严重,影响显示设备播放质量。 [0004] The remote transmission, since the signal according to a conventional HDMI cable remote transmission attenuation, delay image distortion and the like will be adhered to, or can not transmit signals, HDMI after long-distance transmission, the signal attenuation seriously affect the display quality of playback device .

发明内容 SUMMARY

[0005] 本实用新型目的是克服现有技术的不足,提供一种新型HDMI信号适配器。 [0005] The object of the present invention is to overcome the disadvantages of the prior art, to provide a novel adapter HDMI signal.

[0006] 为解决上述技术问题,本实用新型所采用的技术方案是:HDMI信号适配器,包括HDMI信号发射端和HDMI信号接收端,其中HDMI信号发射端为一光缆发射装置,HDMI信号接收端为光缆接收装置;所述光缆发射装置完成电/光转换,并把光信号发射出去用于光纤传输,光缆接收装置主要是把从光纤接收的光信号再还原为电信号,完成光/电转换; [0006] To solve the above technical problem, the technical solution of the present invention is used are: HDMI signal adapter, includes an HDMI signal transmitter and an HDMI signal receiver side, wherein the HDMI signal transmitting terminal is a cable transmitting means, an HDMI signal receiving end is cable receiving means; a cable transmitting means to complete an electrical / optical converter and an optical signal is emitted for optical transmission, the optical cable receiving means mainly fiber receiving the optical signal from the electrical signal re-reduction, to complete the optical / electrical conversion;

[0007] 所述HDMI信号发射端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接; [0007] The HDMI signal transmitting end includes an HDMI signal input module, the audio and video processing module, the MCU control module, a signal output cable module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video signal processing module output cable module is connected, the audio and video processing MCU module and control module;

[0008] 所述HDMI信号接收端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接; [0008] The HDMI signal receiving end includes an HDMI signal input module, the audio and video processing module, the MCU control module, a signal output cable module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video signal processing module output cable module is connected, the audio and video processing MCU module and control module;

[0009] 所述光缆信号输出模块与光缆信号输入模块通过光纤连接。 The [0009] fiber optic signal output module and input module are connected by optical cable fibers.

[0010] 与现有技术相比,本实用新型能将HDMI信号放大,延长了信号传输距离,并将HDMI信号分配到多个显示设备上展示,支持最高分辨率4K*2K。 [0010] Compared with the prior art, the present invention can HDMI signal amplification, extending the transmission distance of the signal, and assign the HDMI signal to display a plurality of display devices, the highest resolution 4K * 2K. 同时,为用户提供一个更简洁的布线解决方案,可方便地进行穿管布线,易于安装使用,可直接连接视频源、显示设备的标准HDMI接口,使用于视频会议、大屏幕显示及多媒体显示控制系统、高品质图像显示工程、医学影像显示及投影系统,适用于机场、火车站、体育中心等远程距离视频和信息传输系统。 At the same time, to provide users with a more concise cabling solutions, can be easily wear tube wiring, easy to install and use, can be connected directly to a video source, display standard HDMI interface device, used in video conferencing, large-screen display and multimedia display control system, high-quality image display engineering, medical imaging displays and projection systems for airports, railway stations, sports centers and other remote distance video and information transfer systems.

附图说明 BRIEF DESCRIPTION

[0011] 图1是本实用新型的原理框图。 [0011] FIG. 1 is a block diagram of the present invention.

[0012] 图2是本实用新型HDMI信号发射端的信号输入模块电路图。 [0012] FIG 2 is a signal of the present invention HDMI transmitter circuit diagram of a signal input module.

[0013] 图3是本实用新型HDMI信号发射端的音视频处理模块电路图。 [0013] FIG. 3 is a circuit diagram of audio and video processing modules invention HDMI transmitter signal present.

[0014] 图4是本实用新型HDMI信号发射端的MCU控制模块电路图。 [0014] FIG. 4 of the present invention is a control block circuit diagram of a signal transmitting HDMI terminal to the MCU.

[0015] 图5是本实用新型HDMI信号发射端的光缆信号输出模块电路图。 [0015] FIG. 5 is a block circuit diagram of a signal output cable of the present invention HDMI signal transmitting end.

[0016] 图6是本实用新型HDMI信号接收端的光缆信号输入模块电路图。 [0016] FIG. 6 of the present invention is a signal receiving end of the HDMI cable circuit diagram of a signal input module.

[0017] 图7是本实用新型HDMI信号接收端的音视频处理模块电路图。 [0017] FIG. 7 is a circuit diagram of audio and video processing module of the present invention HDMI signal receiving end.

[0018] 图8是本实用新型HDMI信号接收端的MCU控制模块电路图。 [0018] FIG. 8 is a circuit diagram of the control module MCU present invention HDMI signal receiving end.

[0019] 图9是本实用新型HDMI信号接收端的信号输出模块。 [0019] FIG. 9 of the present invention is a signal receiving end of the HDMI signal output module.

具体实施方式 Detailed ways

[0020] 下面通过实施例,并结合附图,对本实用新型的技术方案作进一步具体说明。 [0020] The following Examples, in conjunction with the accompanying drawings, the present invention will be further specifically described technical solutions.

[0021] 图1是本实用新型的原理框图。 [0021] FIG. 1 is a block diagram of the present invention. 由图1可知,HDMI信号适配器,主要由HDMI信号发射端和HDMI信号接收端组成,其中HDMI信号发射端为一光缆发射装置,HDMI信号接收端为光缆接收装置;所述光缆发射装置完成电/光转换,并把光信号发射出去用于光纤传输,光缆接收装置主要是把从光纤接收的光信号再还原为电信号,完成光/电转换。 As it is clear from FIG. 1, the adapter HDMI signal, mainly from the transmitter and the signal receiver HDMI terminal HDMI signal, where the signal transmitter is an HDMI cable transmitting means, signal receiving end is HDMI cable receiving means; said transmitting means to complete an electrical cable / light conversion, and the optical signal is emitted for optical transmission, the optical cable receiving means mainly from the fiber the received optical signal into an electrical signal re-reduction, to complete the optical / electrical conversion.

[0022] HDMI信号发射端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接。 [0022] HDMI signal transmitting end includes an HDMI signal input module, the audio and video processing module, the MCU control module, the cable signal output module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video processing module and the cable signal output module connected the audio and video processing MCU module and control module. HDMI信号输入模块采用的数字信号,输入要求是标准HDMI接口,为了提高产品寿命周期,采用的静电保护芯片为Rclamp0524P (如图2 所示)。 A digital signal using HDMI signal input module, the input standard HDMI interface is required, in order to improve the product life cycle, the use of an electrostatic protection chip Rclamp0524P (Figure 2).

[0023] 图3是本实用新型HDMI信号发射端的音视频处理模块电路图。 [0023] FIG. 3 is a circuit diagram of audio and video processing modules invention HDMI transmitter signal present. 图4是本实用新型HDMI信号发射端的MCU控制模块电路图。 FIG 4 is a circuit diagram of the control module MCU present invention HDMI signal transmitting end. 结合图3、图4进一步可知,光缆发射机上音视频处理模块完成的功能正向传送的视频信号、音频信号、数据信号运用时分复用方法进行复用,使多种类信号能够通过一根光缆传输,以及将反向数据信号运用时分复用方法进行分接,将信号分接出来,传输到相对应的硬件模块上待进一步处理。 In conjunction with FIG. 3, FIG. 4 is further seen that the cable video signals on a transmitter module audio and video processing functions performed by the forward transmission, audio signals, data signals using time division multiplexing method of multiplexing the plurality of types a cable transmission signal through , and the reverse data signal using time division multiplexing method is tapped, the signal tapped off, transferred to the corresponding hardware module for further processing. 光缆发射机用到的音视频处理芯片为台湾公司的SD1502,根据台湾公司的器件手册,设计了音视频处理模块硬件电路图。 Fiber optic transmitter used in audio and video processing chip for Taiwan's SD1502, according to Taiwan's Device Handbook, designed audio and video processing module hardware circuit. 视频、音频、数据信号经过音视频处理模块一次复用后,输出24bit信号,必须运用电流模式逻辑(CML)技术进行二串行传输,通过高分辨率的数字化形成高速数字流,输入到光电一体化模块进行电光转化后才可以通过光缆进行传输,电流模式逻辑(CML)技术具有低功耗和宽共模范围等双重优点,效率极高,能够将所有HDMI信号,包括DDC、CEC信号一起打包成高达lOGbps数据的性能(如图5所示)。 Video, audio, data, audio and video signal processing module after a multiplexing the output signal of 24bit, it is necessary to use current-mode logic (CML) for two serial transmission technology, a high velocity stream through the digital high-resolution digital input to the optoelectronic integrated after electro-optical conversion module can be performed by optical transmission, current mode logic (CML) technology has the dual advantages of low power consumption and wide common mode range and the like, high efficiency, can be packaged with all HDMI signal, including DDC, CEC signal lOGbps up into performance data (as shown in Figure 5).

[0024] HDMI信号接收端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接。 [0024] HDMI signal receiving end includes an HDMI signal input module, the audio and video processing module, the MCU control module, the cable signal output module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video processing module and the cable signal output module connected the audio and video processing MCU module and control module. 光缆信号输出模块与光缆信号输入模块通过光纤连接。 Fiber optic cable signal output module and input module are connected by an optical fiber. 光缆传输来的数据经过光电转换后,得到是高速差分信号,不能直接传输到光缆接收机的音视频处理模块中,需要用电流模式逻辑(CML)技术解码器进行一次分接,将高速差分信号转换成光缆接收机新视频处理模块可以识别的低速数字信号(如图6所示)。 Data transmission cable, after the photoelectric conversion to obtain a high-speed differential signals can not be transmitted directly to the fiber optic receiver audio and video processing module, the need for a tap with a current-mode logic (CML) technology decoder, the high speed differential signal low-speed digital signal is converted into a new cable receiver can be identified by the video processing module (Figure 6). 光缆接收机音视频处理模块为台湾公司的SD1512芯片(图7所示),在SD1512芯片接收到可以识别的低速数字信号后进行二次分接,分出视频,音频和控制信号,将其对应的传入相应的处理模块中,通过内部电路处理重新转换成标准的HDMI数字信号输出(如图8所示)。 After the cable receiver audio and video processing module Taiwan company SD1512 chip (FIG. 7), the SD1512 chip receives low-speed digital signals recognizable secondary tap, separated video, audio and control signals, which corresponds to incoming corresponding processing module, re-converted by the internal circuit for processing the digital signal output into a standard HDMI (FIG. 8). 数字信号在经过SD1512芯片转换成标准HDMI信号后需要进行再一次放大,然后通过HDMI信号输出模块传输到监控设备或者具备标准HDMI接口的显示器上(如图9所示)。 The digital signal needs to be converted again into the amplified signal through the HDMI standard SD1512 chip, and then transmitted to the monitoring device or provided by the HDMI standard HDMI interface display signal output module (Figure 9).

[0025] 本实用新型通过上述实施例来举例说明,但本实用新型并不局限于上述实施方式,凡采用和本实用新型相似结构来实现本实用新型目的的所有方式,均在本实用新型的保护范围之内。 [0025] The present invention is exemplified by the above-described embodiments, but the present invention is not limited to the above embodiments, and where the use of a similar structure of the present invention to achieve all purposes of the present invention, in the present invention are within the scope of protection.

Claims (1)

1.一种新型HDMI信号适配器,包括HDMI信号发射端和HDMI信号接收端,其中HDMI信号发射端为一光缆发射装置,HDMI信号接收端为光缆接收装置;所述光缆发射装置完成电/光转换,并把光信号发射出去用于光纤传输,光缆接收装置主要是把从光纤接收的光信号再还原为电信号,完成光/电转换; 所述HDMI信号发射端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接; 所述HDMI信号接收端包括HDMI信号输入模块、音视频处理模块、MCU控制模块、光缆信号输出模块;其中HDMI信号输入模块与音视频处理模块连接,该音视频处理模块与光缆信号输出模块连接,所述音视频处理模块与MCU控制模块连接; 所述光缆信号 A new adapter HDMI signal, includes an HDMI transmitter and an HDMI signal signal receiving terminal, wherein the signal transmitter is an HDMI cable transmitting means, signal receiving end is HDMI cable receiving means; a cable transmitting means to complete an electrical / optical conversion and the optical signal is emitted for optical transmission, the optical cable receiving means mainly fiber receiving the optical signal from the electrical signal re-reduction, to complete the optical / electrical conversion; the HDMI signal transmitter includes an HDMI signal input module, the audio and video the processing module, MCU control module, a signal output cable module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video signal processing module and the output module connected to the optical cable, the audio-video processing module and a control module connected to MCU; the HDMI signal receiving end includes an HDMI signal input module, the audio and video processing module, the MCU control module, a signal output cable module; wherein the HDMI signal input module is connected to the audio and video processing module, the audio and video signal processing module and the output module connected to the optical cable, the audio and video processing MCU module control module; said cable signal 出模块与光缆信号输入模块通过光纤连接。 A cable signal input module and module through an optical fiber.
CN 201420326822 2014-06-19 2014-06-19 Novel HDMI signal adapter CN204069167U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106130645A (en) * 2016-07-01 2016-11-16 武汉博昇光电股份有限公司 A kind of ultra high-definition distance HDMI optical cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106130645A (en) * 2016-07-01 2016-11-16 武汉博昇光电股份有限公司 A kind of ultra high-definition distance HDMI optical cable

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