CN212660246U - Extender with USB interface supporting HDBT transmission - Google Patents
Extender with USB interface supporting HDBT transmission Download PDFInfo
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- CN212660246U CN212660246U CN202021543928.1U CN202021543928U CN212660246U CN 212660246 U CN212660246 U CN 212660246U CN 202021543928 U CN202021543928 U CN 202021543928U CN 212660246 U CN212660246 U CN 212660246U
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Abstract
The utility model relates to a take extender that USB interface supported HDBT transmission, including transmitter and receiver, the transmitter is including the HDMI input interface, first video processing chip, first clock chip and the HDBT output interface that connect gradually, and first video processing chip is equipped with HDMI commentaries on classics HDBT module, and the receiver is including the HDBT input interface, second clock chip, second video processing chip and the second HDMI output interface that connect gradually, and the second video processing chip is equipped with HDBT commentaries on classics HDMI module, and HDBT output interface passes through the net twine and connects HDBT input interface. The utility model discloses combined HDBT extension technique, converted the HDMI signal into HDBT signal retransmission, prolonged transmission distance, for the long-range overall arrangement of user provides more possibilities, simplified the equipment connection wiring, the utility model discloses an carry on the USB interface, convenience of customers control and debugging.
Description
Technical Field
The utility model relates to the field of communications, specific theory relates to a take extender that USB interface supports HDBT transmission.
Background
With the development of electronic technology, the quality of video is higher and higher, basic high-definition data reaches 4K @60Hz and 1080P, the resolution of display equipment also reaches the playing requirement, a transmission line interface between the equipment is also developed to the HDMI (high-definition multimedia interface) from the original VGA, and in order to realize the purpose of remote transmission, an extender appears on the market, and can transmit a signal source from one place to another place, so that a user can conveniently perform remote layout.
However, most of the existing extenders transmit HDMI signals through network cables, the distance is limited, and the video data can be ensured to be lossless within a transmission distance of 50m-70 m; moreover, the existing extender has single function and can only control the external equipment on the emitter or the receiver through the IR signal.
The above problems are worth solving.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a take USB interface to support the extender of HDBT transmission.
The utility model discloses technical scheme as follows:
the utility model provides a take extender that USB interface supported HDBT transmission, its characterized in that, includes transmitter and receiver, the transmitter is including the HDMI input interface, first video processing chip, first clock chip and the HDBT output interface that connect gradually, first video processing chip is equipped with the HDMI and changes the HDBT module, first control chip and first USB interface are still connected to first video processing chip, the receiver is including the HDBT input interface, second clock chip, second video processing chip and the second HDMI output interface that connect gradually, second video processing chip is equipped with the HDBT and changes the HDMI module, second video processing chip still connects second control chip and second USB interface, the HDBT output interface passes through the net twine connection HDBT input interface.
According to above-mentioned scheme the utility model discloses, a serial communication port, the transmitter still is equipped with first HDMI output interface, first HDMI output interface with first video processing chip connects.
Furthermore, the first HDMI output interface and the second HDMI output interface are both provided with ARC return channels for returning audio signals of external equipment.
Furthermore, the first HDMI output interface and the second HDMI output interface are both provided with a CEC function circuit for controlling devices interconnected through an HDMI line.
According to above-mentioned scheme the utility model discloses, a serial communication port, first video processing chip is equipped with the audio frequency and separates and inlay the module, and connect the first audio output interface of transmitter, the receiver is equipped with second audio output interface, second audio output interface with the second video processing chip is connected.
According to above-mentioned scheme the utility model discloses, its characterized in that, the transmitter is equipped with first IR receiving end, the receiver is equipped with corresponding first IR transmitting end, the transmitter still is equipped with second IR transmitting end, the receiver is equipped with corresponding second IR receiving end.
According to the above scheme the utility model discloses, its characterized in that, first USB interface with analog switch chip is all connected to the second USB interface, just analog switch chip connects USB-B interface and USB-A interface concentrator.
According to the utility model discloses of above-mentioned scheme, its characterized in that, the transmitter with the receiver all is equipped with the ethernet interface, the ethernet interface is RJ 45.
According to above-mentioned scheme the utility model discloses, its characterized in that, the transmitter with the receiver all is equipped with the RS232 interface.
According to the above scheme the utility model discloses its characterized in that, the HDBT output interface with the HDBT input interface is RJ 45.
Preferably, the net twine is a super category 5 net twine or a category 6 net twine.
Preferably, the model of the first video processing chip and the model of the second video processing chip are VS 3000.
Preferably, the model of the first control chip and the model of the second control chip are MX25U 25645G.
Preferably, the analog switch chip is a 2-single-pole four-throw low-resistance analog switch chip with the model of CH 444.
Preferably, the USB-a interface hub has a model of GL 850.
According to the above scheme the utility model discloses, its beneficial effect lies in:
the utility model discloses combined HDBT extension technique, convert the HDMI signal into the HDBT signal, rethread net twine transmission has prolonged transmission distance, has reached the transmission of 100m lossless compression high definition data, provides more possibilities for user's remote layout; furthermore, the utility model adopts HDBT technology to realize one-time transmission of video, audio, network, control and power supply in long distance, simplifying the wiring for connecting equipment; the utility model discloses a carry on the USB interface, convenience of customers uses the key mouse to control and debug transmitter and receiver, has richened the function of extender, promotes user experience degree.
Drawings
Fig. 1 is a connection block diagram of the present invention.
Fig. 2 is a usage state diagram of the present invention.
Fig. 3 is a schematic structural diagram of the front panel and the rear panel of the middle emitter according to the present invention.
Fig. 4 is a schematic structural diagram of the front panel and the rear panel of the receiver of the present invention.
In the figure, 1, a transmitter; 11. an HDMI input interface; 111. a signal source device; 12. an HDBT output interface; 13. a first HDMI output interface; 130. a first display device; 14. a first IR receiving end; 140. a first IR receiver; 15. a second IR emitting end; 150. a second IR emitter; 16. a first USB interface; 17. a first audio output interface;
2. a receiver; 21. a second HDMI output interface; 211. a second display device; 22. an HDBT input interface; 23. a second audio output interface; 24. a second IR receiving end; 240. a second IR receiver; 25. a first IR emitting end; 250. a first IR emitter; 26. a second USB interface;
3. a second display device remote controller; 4. a signal source device remote controller; 5. power source interface 6, network cable.
Detailed Description
For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features, when a component is referred to as being "fixed" or "provided" to another component, it may be directly or indirectly located on the other component, when a component is referred to as being "connected" to another component, it may be directly or indirectly connected to the other component.
As shown in fig. 1, an extender with a USB interface supporting HDBT transmission includes a transmitter 1 and a receiver 2, where the transmitter 1 includes an HDMI input interface 11, a first video processing chip, a first clock chip and an HDBT output interface 12, which are connected in sequence, the first video processing chip is provided with an HDMI-to-HDBT module, the first video processing chip is further connected to a first control chip and a first USB interface 16, the receiver 2 includes an HDBT input interface 22, a second clock chip, a second video processing chip and a second HDMI output interface 21, which are connected in sequence, the second video processing chip is provided with an HDBT-to-HDMI module, the second video processing chip is further connected to a second control chip and a second USB interface 26, and the HDBT output interface 12 is connected to the HDBT input interface 22 through a network cable 6, so that the transmitter 1 is connected to the receiver 2 and transmits signals. The HDBT output interface 12 and the HDBT input interface 22 are both RJ 45.
Preferably, the net twine is a super category 5 net twine or a category 6 net twine.
Preferably, the model of the first video processing chip and the model of the second video processing chip are VS 3000.
Preferably, the model of the first control chip and the second control chip is MX25U 25645G.
As shown in fig. 2, the signal transmission process of the present invention is as follows: the signal source equipment 4 is connected with the HDMI input interface 11 of the transmitter 1, transmits signals to the first video processing chip, the HDMI to HDBT module converts the signals, the first clock chip detects whether the clock signals output by the module are abnormal or not, and if the signals are normal, the first control chip controls the HDMI to HDBT module to continuously work and output HDBT signals; if the signal is abnormal, the first control chip controls the HDMI to HDBT conversion module to reset and restart, and the output HDBT signal is ensured to be lossless.
The HDBT output interface 12 is connected with the HDBT input interface 22 through the network cable 6 and transmits an HDBT signal to the receiver 2, the HDBT input interface 22 transmits a signal source to a second video processing chip, the HDBT-to-HDMI module converts the signal, the second clock chip detects whether a clock signal output by the module is abnormal, and if the signal is normal, the second control chip controls the HDBT-to-HDMI module to continuously work and output the HDMI signal; if the signal is abnormal, the second control chip controls the module to reset and restart, so as to ensure that a lossless HDMI signal is output to the second HDMI output interface 21 and further transmitted to the second display device 211 connected with the interface.
The utility model discloses combined HDBT extension technique, converted the HDMI signal into the HDBT signal, 6 transmissions of rethread net twine have prolonged transmission distance, have reached the transmission of the harmless compression high definition data of 100m, provide more possibilities for user's remote layout.
Further, the HDBT signal is except providing the video signal of high definition, still has network connection signal and Ethernet Power Over Ethernet (POE) function, and transmitter 1 and receiver 2 all are equipped with power source 5, therefore the receiver can acquire the electric energy from the transmitter through net twine 6, perhaps the transmitter acquires the electric energy from the receiver through net twine 6, consequently transmitter and receiver only need one side connect the power cord can, saved a power connecting wire, further simplified the connecting wire.
As shown in fig. 3, the utility model discloses a transmitter 1 is equipped with still is equipped with first HDMI output interface 13, and first HDMI output interface 13 is connected with first video processing chip, and transmitter 1 connects first display device 130 through first HDMI output port 17, and the user can be located at transmitter 1 and watch, realizes that HDMI encircles out promptly at the transmitting terminal.
In one embodiment, the first HDMI output interface 13 and the second HDMI output interface 21 are both provided with an ARC return channel for returning an audio signal of an external device, and when the first HDMI output interface 13 or the second HDMI output interface 21 is connected to a display device and the audio output interface is connected to an external speaker, the audio signal can be reversely transmitted from the display device to the external speaker without connecting a separate audio line.
In one embodiment, the first HDMI output interface 13 and the second HDMI output interface 21 are each provided with a CEC function circuit for controlling devices interconnected via an HDMI line, i.e. a user only needs to use one remote controller to control all HDMI-capable connected devices. It should be noted that the ARC backhaul function and the CEC function and the corresponding techniques are well known in the art, and are not within the scope of the present invention, and no improvement or modification is made in the present application, so that they are not described herein.
As shown in fig. 3 and 4, in one embodiment, the first video processing chip is provided with an audio de-embedding module and connected to the first audio output interface 17 of the transmitter 1, the receiver 2 is provided with a second audio output interface 23, the second audio output interface 23 is connected to the second video processing chip, and the audio de-embedding module de-embeds the audio signal in the high definition data and outputs the audio signal through the speaker devices on the first audio output interface 17 and the second audio output interface 23 separately.
In one embodiment, the emitter 1 is provided with a first IR receiving end 14, the receiver 2 is provided with a corresponding first IR emitting end 25, the emitter 1 is further provided with a second IR emitting end 15, and the receiver 2 is provided with a corresponding second IR receiving end 24, in particular, using and connecting methods, the first IR receiving end 14 on the emitter 1 is connected with a first IR receiver 140, the second IR emitting end 15 is connected with a second IR emitter 150, the second IR receiving end 24 on the receiver 2 is connected with a second IR receiver 240, the first IR emitting end 25 is connected with a first IR emitter 250, the first IR receiver 140 receives a signal of the second display device remote controller 3 and transmits the signal to the first IR emitter 250 on the receiver 2 through the network cable 6, thereby controlling the second display device 211; the second IR receiver 240 receives the signal from the remote controller 4 of the signal source device and transmits the signal to the second IR transmitter on the transmitter 1 through the network cable 6, so as to control the signal source device 111, and finally, the function of IR bidirectional mutual transmission is realized.
The IR bidirectional transparent transmission satisfies the requirements that a user controls the external equipment of the transmitting end at the receiving end and debugs the external equipment of the receiving end at the transmitting end, thereby really realizing the remote film watching and remote operation of the user and providing convenience for the user.
In one embodiment, the first USB interface 16 and the second USB interface 26 are connected to an analog switch chip, and the analog switch chip is connected to the USB-B interface and the USB-a interface hub, where the USB-a interface hub has 4 USB-a interfaces. Preferably, the analog switch chip is a 2-single-pole four-throw low-resistance analog switch chip with the model number of CH 444. The analog switch chip expands the number of USB interfaces, increases the peripheral connection of the emitter and the receiver, and a user can easily control and operate the transmitter and the receiver by connecting a mouse and a keyboard; the extender can be connected with other memories with USB interfaces to conduct data document export and other operations, the function of the extender is enriched, and the user experience degree is improved.
Preferably, the USB-a interface hub has model number GL 850.
In one embodiment, the transmitter 1 and the receiver 2 are both provided with ethernet interfaces, and the ethernet interfaces are RJ45, so that the networking function of the extender is realized, and the system upgrade of the device is facilitated for users.
In one embodiment, the transmitter 1 and the receiver 2 are both provided with RS232 interfaces, so that a user can perform local UART control, and the convenience of use of the user is increased.
To sum up, the utility model discloses having combined HDBT extension technique, having converted the HDMI signal into the HDBT signal, the transmission distance has been prolonged in the transmission of rethread net twine, and through carrying on the USB interface, convenience of customers uses the key mouse to control and debug transmitter and receiver, has richened the function of extender, promotes user experience degree, just the utility model discloses an HDMI interface accords with HDCP2.2 standard.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An extender with a USB interface and supporting HDBT transmission is characterized by comprising a transmitter and a receiver, wherein the transmitter comprises an HDMI input interface, a first video processing chip, a first clock chip and an HDBT output interface which are sequentially connected, the first video processing chip is provided with an HDMI-to-HDBT module and is also connected with a first control chip and a first USB interface,
the receiver comprises an HDBT input interface, a second clock chip, a second video processing chip and a second HDMI output interface which are connected in sequence, the second video processing chip is provided with an HDBT-to-HDMI module and is also connected with a second control chip and a second USB interface,
the HDBT output interface is connected with the HDBT input interface through a network cable.
2. The extender with a USB interface supporting HDBT transmission according to claim 1, wherein said transmitter further comprises a first HDMI output interface, said first HDMI output interface being connected to said first video processing chip.
3. The extender as claimed in claim 2, wherein the first HDMI output interface and the second HDMI output interface are both provided with an ARC return channel for returning the audio signal of the external device.
4. The extender with a USB interface supporting HDBT transmission according to claim 2, wherein said first HDMI output interface and said second HDMI output interface are each provided with a CEC function circuit for controlling devices interconnected via an HDMI line.
5. The extender as claimed in claim 1, wherein the first video processing chip is provided with an audio de-embedding module and connected to the first audio output interface of the transmitter, and the receiver is provided with a second audio output interface connected to the second video processing chip.
6. The extender with a USB interface supporting HDBT transmission according to claim 1, wherein said transmitter is provided with a first IR receiving end, said receiver is provided with a corresponding first IR transmitting end, said transmitter is further provided with a second IR transmitting end, and said receiver is provided with a corresponding second IR receiving end.
7. The extender with a USB interface to support HDBT transmission according to claim 1, wherein said first USB interface and said second USB interface are both connected to an analog switch chip, and said analog switch chip is connected to a USB-B interface and a USB-a interface hub.
8. The extender with a USB interface to support HDBT transmission according to claim 1, wherein said transmitter and said receiver are both provided with an ethernet interface, said ethernet interface being RJ 45.
9. The extender with a USB interface to support HDBT transmission according to claim 1, wherein said transmitter and said receiver are both provided with RS232 interface.
10. The extender of claim 1, wherein the HDBT output interface and the HDBT input interface are both RJ 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543928.1U CN212660246U (en) | 2020-07-30 | 2020-07-30 | Extender with USB interface supporting HDBT transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543928.1U CN212660246U (en) | 2020-07-30 | 2020-07-30 | Extender with USB interface supporting HDBT transmission |
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| CN212660246U true CN212660246U (en) | 2021-03-05 |
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| CN202021543928.1U Active CN212660246U (en) | 2020-07-30 | 2020-07-30 | Extender with USB interface supporting HDBT transmission |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117156090A (en) * | 2023-10-30 | 2023-12-01 | 浙江禾川科技股份有限公司 | Remote display device, system and method |
| CN117496920A (en) * | 2023-12-27 | 2024-02-02 | 成都万创科技股份有限公司 | High-brightness multimedia display device based on HDBASE-T multi-input |
| CN117496920B (en) * | 2023-12-27 | 2024-04-16 | 成都万创科技股份有限公司 | HDBASE-T multi-input-based highlight multimedia display equipment |
-
2020
- 2020-07-30 CN CN202021543928.1U patent/CN212660246U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117156090A (en) * | 2023-10-30 | 2023-12-01 | 浙江禾川科技股份有限公司 | Remote display device, system and method |
| CN117496920A (en) * | 2023-12-27 | 2024-02-02 | 成都万创科技股份有限公司 | High-brightness multimedia display device based on HDBASE-T multi-input |
| CN117496920B (en) * | 2023-12-27 | 2024-04-16 | 成都万创科技股份有限公司 | HDBASE-T multi-input-based highlight multimedia display equipment |
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Address after: 518000 4th floor, 6th floor, 2nd floor, G building, jinxiongda Science Park, 105 huanguan South Road, Dahe community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Dongming Juchuang Electronics Co.,Ltd. Address before: 518000 4th floor, 6th floor, 2nd floor, G building, jinxiongda Science Park, 105 huanguan South Road, Dahe community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN PTN ELECTRONICS Ltd. |
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| CP01 | Change in the name or title of a patent holder |