CN210491048U - HDMI extender powered by POE - Google Patents
HDMI extender powered by POE Download PDFInfo
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- CN210491048U CN210491048U CN201921990344.6U CN201921990344U CN210491048U CN 210491048 U CN210491048 U CN 210491048U CN 201921990344 U CN201921990344 U CN 201921990344U CN 210491048 U CN210491048 U CN 210491048U
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- hdmi
- control chip
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- poe
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Abstract
The utility model discloses a HDMI extender of POE power supply, include: a transmitting end and a receiving end; the transmitting terminal comprises a first main control chip, a video input processing chip, a first IR control chip, an IR transmitting interface and an HDMI network cable output interface; the receiving end comprises a second main control chip, a video output processing chip, a second IR control chip, an IR receiving interface and an HDMI network cable input interface. The utility model provides a HDMI extender of POE power supply, when transmission high definition video signal, the effective transmission distance of farthest can reach 200m, supports IR transmission control, supports directly by the switch power supply, need not to dispose power adapter, realizes the input all the way, the multiplexed output function, convenience of customers lays wire and builds the engineering environment.
Description
Technical Field
The utility model belongs to the technical field of communication and specifically relates to a HDMI extender of POE power supply is related to.
Background
The HDMI transmission means that an HDMI signal source signal is transmitted to a display end in a long distance, at present, HDMI is widely applied, audio and video technology is rapidly developed under the drive of scientific and technological development, and most of high-definition players, DVDs, set top boxes, projectors, liquid crystal televisions and PC computers are provided with HDMI interfaces.
In the prior art, the effective transmission distance of the HDMI signal output by the HDMI signal source is 15-20 m, and beyond the distance, the strength of the signal is gradually reduced, and the HDMI signal is seriously distorted along with the lengthening of the distance.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a HDMI extender of POE power supply for among the solution prior art, the effectual transmission distance of HDMI signal output is 15 meters-20 meters, has exceeded this distance, and the intensity of signal will progressively reduce, and along with the extension of distance, the problem of serious distortion will take place for the HDMI signal.
According to an aspect of the utility model provides a HDMI extender of POE power supply, include: a transmitting end and a receiving end;
the transmitting terminal comprises a first main control chip, a video input processing chip, a first IR control chip, an IR transmitting interface and an HDMI network cable output interface, wherein the video input processing chip is connected with the first main control chip, the IR transmitting interface is connected with the first IR control chip, the first IR control chip is connected with the HDMI network cable output interface, and the HDMI network cable output interface is connected with the first main control chip;
the receiving end comprises a second main control chip, a video output processing chip, a second IR control chip, an IR receiving interface and an HDMI network cable input interface, wherein the video output processing chip is connected with the second main control chip, the IR receiving interface is connected with the second IR control chip, the second IR control chip is connected with the HDMI network cable input interface, and the HDMI network cable input interface is connected with the second main control chip.
Optionally, the transmitting end further includes: the HDMI input interface is connected with the video input processing chip, and the first HDMI output interface is connected with the first main control chip.
Optionally, the receiving end further includes: and the second HDMI output interface is connected with the video output processing chip.
Optionally, the transmitting end and the receiving end both include: and the power supply is connected with each processing chip after voltage conversion and provides electric energy.
Optionally, the power supply is powered by a POE exchanger.
Optionally, the transmitting end and the receiving end both include: HDMI status indicator lamp, HDMINLINK pilot lamp, reset button, power indicator.
Optionally, the HDMI cable output interface and the HAMI cable input interface are both of type RJ 45.
Optionally, the models of the first main control chip and the second main control chip are both SI 3520D.
Optionally, the model of the video input processing chip and the model of the video output processing chip are both IT 66121.
Optionally, the model of each of the first IR control chip and the second IR control chip is STM8S 003.
In the embodiment of the utility model, compare beneficial effect with prior art and be: in the prior art, the effective transmission distance of the HDMI signal output by the HDMI signal source is 15-20 m, the distance is exceeded, the strength of the signal is gradually reduced, serious distortion of the HDMI signal can occur along with the lengthening of the distance, when the HDMI extender of the POE power supply transmits HDMI high-definition uncompressed video, the farthest effective transmission distance can reach 200m, IR transmission control is supported, direct power supply through a switch is supported, one-way input is realized without configuring a power adapter, the multi-path output function is realized, and a user can conveniently lay wires to build an engineering environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram of an alternative POE-powered HDMI extender system structure according to an embodiment of the present invention.
Detailed Description
In order to make the person skilled in the art better understand the present invention, the following description will be made in conjunction with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the HDMI extender powered by POE includes: a transmitting terminal 1 and a receiving terminal 2;
the transmitting terminal 1 comprises a first main control chip, a video input processing chip, a first IR control chip, an IR transmitting interface and an HDMI network cable output interface, wherein the video input processing chip is connected with the first main control chip;
the receiving end 2 comprises a second main control chip, a video output processing chip, a second IR control chip, an IR receiving interface and an HDMI network cable input interface, the video output processing chip is connected with the second main control chip, the IR receiving interface is connected with the second IR control chip, the second IR control chip is connected with the HDMI network cable input interface, and the HDMI network cable input interface is connected with the second main control chip.
Further, the transmitting terminal 1 further includes: the HDMI input interface is connected with the video input processing chip, and the first HDMI output interface is connected with the first main control chip.
Further, the receiving end 2 further includes: and the second HDMI output interface is connected with the video output processing chip.
Further, both the transmitting end 1 and the receiving end 2 include: and the power supply is connected with each processing chip after voltage conversion and provides electric energy.
Further, the power supply adopts POE exchanger power supply.
Further, both the transmitting end and the receiving end further comprise: HDMI status indicator lamp, HDMINLINK pilot lamp, reset button, power indicator.
Furthermore, the model of the HDMI cable output interface and the model of the HAMI cable input interface are both RJ 45.
Further, the model of the first main control chip and the model of the second main control chip are both SI 3520D.
Further, the models of the video input processing chip and the video output processing chip are both IT 66121.
Further, the model of the first IR control chip and the model of the second IR control chip are both STM8S 003.
When the utility model is in actual use, when the transmitting terminal 1 is connected with a power supply, the power supply indicator lamp is long and bright; when the system is normally started, the HDMI state indicator lamp is on for a long time; when the HDMI signal is input from the HDMI input interface, the HDMI signal is processed by the video input processing chip and then output to the first main control chip; the signal is divided into two paths, one path of signal is output to the first HDMI output interface and looped out, and the other path of signal is output to the HDMI network cable output interface and output;
when the receiving end 2 is connected with a power supply, the power supply indicator lamp is on for a long time, and after the system is started normally, the HDMI state indicator lamp is on for a long time; when the HDMI signals are input from the HDMI network cable input interface, the HDMI signals are processed by the second main control chip, processed by the video output processing chip and finally output to the second HDMI output interface for output;
when the network access between the transmitting terminal 1 and the receiving terminal 2 is normal, the HDMILINK indicator lamp is on;
when the HDMI signal is normal and the transmitting terminal 1 and the receiving terminal 2 are in normal communication, the HDMI state indicator lamp flashes;
when the HDMI signal is abnormal, the HDMI state indicator lamp flashes slowly;
when the IR interfaces of the transmitting end 1 and the receiving end 2 are connected, the signal source can be remotely controlled through infrared remote control.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An HDMI extender powered by POE, comprising: a transmitting end and a receiving end; the transmitting terminal comprises a first main control chip, a video input processing chip, a first IR control chip, an IR transmitting interface and an HDMI network cable output interface, wherein the video input processing chip is connected with the first main control chip, the IR transmitting interface is connected with the first IR control chip, the first IR control chip is connected with the HDMI network cable output interface, and the HDMI network cable output interface is connected with the first main control chip; the receiving end comprises a second main control chip, a video output processing chip, a second IR control chip, an IR receiving interface and an HDMI network cable input interface, wherein the video output processing chip is connected with the second main control chip, the IR receiving interface is connected with the second IR control chip, the second IR control chip is connected with the HDMI network cable input interface, and the HDMI network cable input interface is connected with the second main control chip.
2. The POE-powered HDMI extender of claim 1, wherein said transmitter further comprises: the HDMI input interface is connected with the video input processing chip, and the first HDMI output interface is connected with the first main control chip.
3. The POE-powered HDMI extender of claim 1, wherein said sink further comprises: and the second HDMI output interface is connected with the video output processing chip.
4. The POE-powered HDMI extender of claim 1, wherein said transmitter and receiver each comprise: and the power supply is connected with each processing chip after voltage conversion and provides electric energy.
5. The POE-powered HDMI extender of claim 4, wherein said power source is powered by a POE switch.
6. The POE-powered HDMI extender of claim 1, wherein said transmitter and receiver each comprise: HDMI status indicator lamp, HDMINLINK pilot lamp, reset button, power indicator.
7. The POE-powered HDMI extender of claim 1, wherein said HDMI cable output interface and said HAMI cable input interface are both RJ45 types.
8. The POE-powered HDMI extender of claim 1, wherein the first master chip and the second master chip are both SI3520D model numbers.
9. The POE-powered HDMI extender of claim 1, wherein said video input processing chip and said video output processing chip are both IT66121 in type.
10. The POE-powered HDMI extender of claim 1, wherein said first and second IR control chips are STM8S 003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990344.6U CN210491048U (en) | 2019-11-18 | 2019-11-18 | HDMI extender powered by POE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990344.6U CN210491048U (en) | 2019-11-18 | 2019-11-18 | HDMI extender powered by POE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210491048U true CN210491048U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990344.6U Active CN210491048U (en) | 2019-11-18 | 2019-11-18 | HDMI extender powered by POE |
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| Country | Link |
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| CN (1) | CN210491048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787360A (en) * | 2020-07-30 | 2020-10-16 | 深圳市东明炬创电子有限公司 | IP network-based streaming media coding and decoding equipment |
-
2019
- 2019-11-18 CN CN201921990344.6U patent/CN210491048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787360A (en) * | 2020-07-30 | 2020-10-16 | 深圳市东明炬创电子有限公司 | IP network-based streaming media coding and decoding equipment |
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