CN210958555U

CN210958555U - HDMI twisted-pair IP extender

Info

Publication number: CN210958555U
Application number: CN201921482576.0U
Authority: CN
Inventors: 谭小荣; 贺小亮
Original assignee: Shenzhen Anxing Security Science & Telenology Co ltd
Current assignee: Shenzhen Anxing Security Science & Telenology Co ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-07-07
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a HDMI twisted pair IP extender, which consists of a transmitting terminal and a receiving terminal which are connected and paired by a twisted pair, wherein the transmitting terminal comprises a HDMI signal input terminal, an infrared signal input terminal, a first DC power input module, a first coding processing module and a RJ45 output terminal; the receiving end comprises an HDMI signal output end, an infrared signal output end, a second DC power input module, a second coding processing module and an RJ45 input end. The utility model discloses a HDMI paired line IP extender adopts the paired line as transmission medium, and the wire rod economy, the simple and convenient transmission distance of wiring construction is far away, with high-definition audio signal conversion such as 1080p, transmits the display terminal demonstration through the net twine extension. The HDMI high-definition video signal coding and converting device is different from a common signal extension amplifying device, is used for coding and converting an HDMI high-definition video signal, can transmit a high-definition video signal to any region in a local area network, and really realizes transmission of the high-definition video signal in the local area network mode.

Description

HDMI twisted-pair IP extender

Technical Field

The utility model relates to an audio frequency and video extension transmission field especially relates to a HDMI paired line IP extender.

Background

HDMI, High Definition Multimedia Interface (english: High Definition Multimedia Interface) is a digital video/audio Interface technology conforming to the High Definition time standard, and can be used in set-top boxes, DVD players, personal computers and televisions. With the rapid development of electronic technology, interfaces such as HDMI/DVI have become standard interfaces in the field of high-definition audio and video. The traditional HDMI signal transmission mainly uses HDMI wires for transmission, the HDMI wires are thick in wire diameter, poor in flexibility, short in transmission distance, difficult to wire and high in cost, and the HDMI twisted-pair IP extender adopts twisted-pair wires as transmission media, so that the wires are economical, and the wiring construction is simple and convenient, and the transmission distance is long.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a based on HDMI high definition signal IP network extension equipment can effectively prolong the transmission distance of HDMI high definition signal, adopts the paired line as transmission media, reduces material cost and construction cost.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

an HDMI twisted pair IP extender is composed of a transmitting end and a receiving end which are paired by twisted pair connection, and comprises:

the transmitting end comprises an HDMI signal input end, an infrared signal input end, a first DC power input module, a first coding processing module and an RJ45 output end; the receiving end comprises an RJ45 input end, a second coding processing module, a second DC power supply input module, an HDMI signal output end and an infrared signal output end;

in the transmitting end, a first coding processing module is connected with an HDMI signal input end, an infrared signal input end, a first DC power input module and an RJ45 output end; in the receiving end, the second coding processing module is connected with an HDMI signal output end, an infrared signal output end, a second DC power input module and an RJ45 input end; the twisted pair connects the RJ45 output terminal of the transmitting terminal and the RJ45 input terminal of the receiving terminal.

As described above, the HDMI twisted-pair IP extender supports one transmitting end to one receiving end or one transmitting end to a plurality of receiving ends.

As previously described, the HDMI twisted pair IP extender supports switch/router cascading to extend and distribute HDMI signals.

In any of the above HDMI twisted-pair IP extenders, the HDMI twisted-pair IP extender transmits full-high-definition HDMI video-audio signals and infrared remote control signals by using a single Cat5e/6 network cable.

In any of the above HDMI twisted pair IP extenders, the HDMI twisted pair IP extender transmits over a local area network using a standard TCP/IP protocol, conforming to the HDMI1.3 standard, HDCP1.2 standard.

Borrow by above-mentioned technical scheme, the utility model discloses coaxial transceiver of network's advantage is as follows:

the HDMI twisted-pair IP extender can be directly inserted into the playing end and the display end without an HDMI copper cable, so that the HDMI twisted-pair IP extender is convenient to install and wire, the thick flexibility of the long-distance HDMI wire diameter is poor, the major is that the HDMI twisted-pair IP extender cannot be repaired after being damaged, the twisted-pair wiring technology is mature, and the HDMI twisted-pair IP extender is convenient to repair even if being damaged in construction engineering; the twisted pair is used as a high-definition transmission medium, the cost is saved by 50% compared with that of the HDMI wire direct transmission, and the twisted pair is the most economical and practical choice for the long-distance transmission in the HDMI.

The HDMI twisted-pair IP extender can transmit signals with a transmission distance of 150 meters in a 1080P format and simultaneously supports signals with 1080P30, 720P60 and 1080i formats. The HDMI high-definition video signal coding and converting device is different from a common signal extension amplifying device, is used for coding and converting an HDMI high-definition video signal, can transmit a high-definition video signal to any region in a local area network, and really realizes transmission of the high-definition video signal in the local area network mode.

Drawings

FIG. 1 is a diagram of the internal signal processing structure of the present invention;

FIG. 2 is a schematic diagram of the present invention;

fig. 3 is a schematic circuit diagram of the DC power input module of the present invention;

FIG. 4 is a schematic circuit diagram of the encoding processing module of the present invention;

FIG. 5 is a schematic circuit diagram of the encoding processing module of the present invention;

wherein: the system comprises a 1-transmitting end, a 11-HDMI signal input end, a 12-infrared signal input end, a 13-first DC power supply input module, a 14-first coding processing module, a 15-RJ45 output end, a 2-receiving end, a 21-HDMI signal output end, a 22-infrared signal output end, a 23-second DC power supply input module, a 24-second coding processing module, a 25-RJ45 input end, a 3-twisted pair wire, a 4-power supply, a 5-HDMI line, a 6-DVD/EVD, a 7-display and an 8-switch/router.

Detailed Description

The utility model provides a HDMI paired line IP extender, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, an embodiment of the present invention provides an HDMI twisted-pair IP extender, which includes a transmitter 1, a receiver 2, and a twisted-pair 3 connecting the transmitter 1 and the receiver 2; the transmitting terminal 1 comprises an HDMI signal input terminal 11, an infrared signal input terminal 12, a first DC power input module 13, a first encoding processing module 14, and an RJ45 output terminal 15; the receiving terminal 2 comprises an RJ45 input terminal 25, a second encoding processing module 24, a second DC power input module 23, an HDMI signal output terminal 21, and an infrared signal output terminal 22.

The HDMI twisted-pair IP extender is transmission equipment for transmitting full high-definition HDMI video and audio signals and infrared remote control signals by adopting a single Cat5e/6 network cable. The standard TCP/IP protocol is adopted to transmit through a local area network, the HDMI1.3 standard and the HDCP1.2 standard are met, and the maximum transmission distance can reach 150 meters.

The HDMI twisted pair IP extender supports all standard video resolutions from 640x480 to 1080 p; the MJPEG format is adopted to compress and decompress the video, the transmission bandwidth is reduced, the smoothness of video and audio playing is ensured, the image quality is good to restore, and the delay time is short; and the control signal feedback is supported, and the transmitting end can be directly operated at the receiving end through infrared remote control.

The HDMI twisted-pair IP extender converts 1080p high-altitude unvoiced sound signals and transmits the converted signals to the display terminal for display through the extension of a network cable. The HDMI high-definition video signal coding and converting device is different from a common signal extension amplifying device, is used for coding and converting an HDMI high-definition video signal, can transmit a high-definition video signal to any region in a local area network, and really realizes transmission of the high-definition video signal in the local area network mode.

As shown in fig. 2, the HDMI twisted-pair IP extender supports one-to-one and one-to-many, and can transmit HDMI high-definition audio/video signals in a cascading and distributing manner by using a network switch, which is simple to operate and does not require any setting. In one-to-one case, the transmitting terminal 1 is connected with the power supply 4 through the first DC power input module, and is connected with the HDMI signal input terminal and the DVD/EVD6 through the HDMI line 5; the receiving end 2 is connected to the power source 4 through the second DC power input module, and is connected to the HDMI signal input end and the display 7 through the HDMI cable 5. UTP Cat5e/6 connects the RJ45 output of the transmit terminal 1 with the RJ45 input of the receive terminal 2. In the case of one-to-many, the transmitter is cascaded to extend and distribute HDMI signals through the switch/router 8, the transmitter 1 is connected to RJ45 inputs of a plurality of receivers 2 through RJ45 outputs and twisted pair 3, and each receiver is connected to the display 7 through the HDMI cable 5.

When the HDMI cable extender works specifically, after a power supply is connected, HDMI signals and infrared signals are respectively input from an HDMI signal input end and an infrared signal input end, the HDMI signals and the infrared signals are processed by the coding processing module and converted into network signals which conform to a standard TCP/IP protocol, then the network signals are connected to Cat5e/6 twisted pair through an RJ45 output end, the twisted pair is connected to an RJ45 input end of a receiving end of the HDMI twisted pair IP extender, and the network signals are converted into original HDMI signals and infrared signals through the coding decoding module. The HDMI signal, infrared signal are exported to the display by HDMI signal output, infrared signal output again.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. An HDMI twisted pair IP extender is composed of a transmitting end and a receiving end which are paired by twisted pair connection, and is characterized by comprising:

the transmitting terminal (1) comprises an HDMI signal input terminal (11), an infrared signal input terminal (12), a first DC power supply input module (13), a first coding processing module (14) and an RJ45 output terminal (15); the receiving end (2) comprises an HDMI signal output end (21), an infrared signal output end (22), a second DC power supply input module (23), a second coding processing module (24) and an RJ45 input end (25);

in the transmitting end, a first coding processing module (14) is connected with an HDMI signal input end (11), an infrared signal input end (12), a first DC power input module (13) and an RJ45 output end (15); in the receiving end, a second coding processing module (24) is connected with an HDMI signal output end (21), an infrared signal output end (22), a second DC power input module (23) and an RJ45 input end (25); the twisted pair (3) is connected with the RJ45 output end (15) of the transmitting end (1) and the RJ45 input end (25) of the receiving end (2).

2. The HDMI twisted pair IP extender of claim 1, wherein said HDMI twisted pair IP extender supports one transmitting end to one receiving end or one transmitting end to multiple receiving ends.

3. The HDMI twisted pair IP extender of claim 2, wherein said HDMI twisted pair IP extender supports switch/router concatenation to extend and distribute HDMI signals.

4. The HDMI twisted-pair IP extender of any one of claims 1 to 3, wherein the HDMI twisted-pair IP extender transmits full HD HDMI video and audio signals and infrared remote control signals by using a single Cat5e/6 network cable.

5. The HDMI twisted-pair IP extender of any one of claims 1 to 3, wherein the HDMI twisted-pair IP extender is transmitted over a local area network using a standard TCP/IP protocol, and conforms to HDMI1.3 standard, HDCP1.2 standard.