CN113473054A - Wireless HDMI transmission system based on domestic high definition display device - Google Patents
Wireless HDMI transmission system based on domestic high definition display device Download PDFInfo
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- CN113473054A CN113473054A CN202110633167.1A CN202110633167A CN113473054A CN 113473054 A CN113473054 A CN 113473054A CN 202110633167 A CN202110633167 A CN 202110633167A CN 113473054 A CN113473054 A CN 113473054A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 230000003993 interaction Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical group C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a wireless HDMI transmission system based on household high-definition display equipment, belonging to the technical field of intelligent home, comprising an HDMI multiplexing system, an HDTV receiving system, a first system applied to mobile equipment, a second system applied to a first server and a third system applied to a second server; according to the wireless HDMI transmission system provided by the invention, the technical effect of intelligent transmission control of high-definition signals of the intelligent home is realized through data interaction among the systems; the system provided by the invention realizes the multi-point transmission function of high-definition signals, further realizes the intelligent control of high and new signals, enables users to obtain different high-definition signals on different high-definition equipment in the same area, and also enables users to obtain the technical characteristics of favorite information in different areas through the system provided by the invention, thereby providing technical support for the high-definition signal transmission scheme of intelligent home furnishing.
Description
Technical Field
The invention relates to the technical field of smart home, in particular to a wireless HDMI transmission system based on household high-definition display equipment.
Background
The intelligent home is characterized in that a home is used as a platform, facilities related to home life are integrated by utilizing a comprehensive wiring technology, a network communication technology, a safety precaution technology, an automatic control technology and an audio and video technology, an efficient management system of home facilities and family schedule affairs is constructed, home safety, convenience, comfortableness and artistry are improved, and an environment-friendly and energy-saving living environment is realized.
In the prior art, the technical scheme of intelligent application to the household high-definition display equipment can only be used for controlling one high-definition equipment, and other high-definition equipment needs to be additionally provided with a corresponding signal providing device, so that a high-definition system is urgently needed, the problem of signal acquisition of different high-definition equipment can be solved, and the technical requirement of remote information intercommunication can be met.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a wireless HDMI transmission system based on a home high definition display device, the wireless HDMI transmission system comprising an HDMI multiplexing system and an HDTV receiving system, wherein,
an HDMI multiplexing system, comprising at least,
the first storage module is used for storing first data generated by an HDMI multiplexing system and second data generated by an HDTV receiving system;
the first power supply module is used for supplying power to the HDMI multiplexing system;
the first data processing module is connected with the first storage module and used for dividing the first HDMI signals of the first data into a plurality of paths of second HDMI signals;
the first user module is connected with the first storage module and used for the HDMI multiplexing system to obtain a first user, wherein the first user comprises an administrator user of the wireless HDMI transmission system and a user of the second HDMI signal;
the first communication module is connected with the first storage module and is used for data interaction between the HDMI multiplexing system and other systems;
an HDTV receiving system, comprising at least,
the second storage module is used for storing second data;
the second power module is used for supplying power to the HDTV receiving system;
the second user module is used for obtaining a second user, wherein the second user is used for representing a user;
and the second communication module is used for being connected with the second storage module and is used for data interaction between the HDTV receiving system and the HDMI multiplexing system.
Preferably, the first data processing module at least comprises a shift register unit and a driving comparator unit;
the shift register unit is used for decomposing the first HDMI signal into a second HDMI signal;
the driving comparator unit is used for filtering and amplifying the second HDMI signal.
Preferably, the shift register unit is of model number 96HC 402.
Preferably, the HDMI multiplexing system further includes at least six input ports and two output ports.
Preferably, the wireless HDMI transmission system further comprises a first system applied in a mobile device, comprising,
the third communication module is used for the data interaction between the first system and the HDMI multiplexing system and between the first system and the HDTV receiving system respectively;
the third storage module is connected with the third communication module and used for storing third data of the first system, wherein the third data at least comprises first data, second data and a second user;
the third display module is connected with the third storage module and used for displaying the first data and the second data;
and the third user module is connected with the third storage module and is used for obtaining the first use right of the HDTV receiving system through the second user.
Preferably, the third user module is further configured to obtain a first usage right of the HDMI multiplexing system by the first user.
Preferably, the third user module is further configured to control the second user by the first user;
the first user is also used for setting the second use authority of the second user.
Preferably, the wireless HDMI transmission system further comprises a second system applied in the first server, comprising,
the fourth storage module is used for storing the first data, the second data, the third data and fourth data of the second system;
the fourth user module and the fourth storage module are used for obtaining the first user and obtaining a third use right of the second system through the first user, wherein the third use right is used for expressing the right of an administrator user of the first user in the second system;
the fourth communication module is connected with the fourth storage module and is used for the second system to perform data interaction with the first system, the HDMI multiplexing system and the HDTV receiving system respectively;
and the second data processing module is used for providing a first instruction for the first user, wherein the first instruction is used for expressing a control command of the administrator user for controlling the second user.
Preferably, the second data processing module is further configured to obtain a user habit of a second user according to the second data, and obtain the second HDMI signal according to the user habit.
Preferably, the wireless HDMI transmission system further comprises a third system applied in the second server, comprising,
the fifth communication module is used for data interaction between the third system and the second system as well as other wireless HDMI transmission systems;
the fifth storage module is connected with the fifth communication module and used for storing the second user and the user habits of the second user and fifth data of a third system;
and the fifth user module is used for obtaining a third user, wherein the third user is used for obtaining the user habit of the second user and obtaining the second HDMI signal according to the user habit.
The invention discloses the following technical effects:
compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the system provided by the invention realizes the multi-point transmission function of high-definition signals, further realizes the intelligent control of high and new signals, enables users to obtain different high-definition signals on different high-definition equipment in the same area, and also enables users to obtain the technical characteristics of favorite information in different areas through the system provided by the invention, thereby providing technical support for the high-definition signal transmission scheme of intelligent home furnishing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the present invention provides a wireless HDMI transmission system based on a home high definition display device, the wireless HDMI transmission system comprising an HDMI multiplexing system and an HDTV receiving system, wherein,
an HDMI multiplexing system, comprising at least,
the first storage module is used for storing first data generated by an HDMI multiplexing system and second data generated by an HDTV receiving system;
the first power supply module is used for supplying power to the HDMI multiplexing system;
the first data processing module is connected with the first storage module and used for dividing the first HDMI signals of the first data into a plurality of paths of second HDMI signals;
the first user module is connected with the first storage module and used for the HDMI multiplexing system to obtain a first user, wherein the first user comprises an administrator user of the wireless HDMI transmission system and a user of the second HDMI signal;
the first communication module is connected with the first storage module and is used for data interaction between the HDMI multiplexing system and other systems;
an HDTV receiving system, comprising at least,
the second storage module is used for storing second data;
the second power module is used for supplying power to the HDTV receiving system;
the second user module is used for obtaining a second user, wherein the second user is used for representing a user;
and the second communication module is used for being connected with the second storage module and is used for data interaction between the HDTV receiving system and the HDMI multiplexing system.
The first data processing module at least comprises a shift register unit and a driving comparator unit; the shift register unit is used for decomposing the first HDMI signal into a second HDMI signal; the driving comparator unit is used for filtering and amplifying the second HDMI signal.
The model number of the shift register unit is 96HC 402.
The HDMI multiplexing system further includes at least six input ports and two output ports.
The wireless HDMI transmission system further comprises a first system for application in a mobile device, comprising,
the third communication module is used for the data interaction between the first system and the HDMI multiplexing system and between the first system and the HDTV receiving system respectively;
the third storage module is connected with the third communication module and used for storing third data of the first system, wherein the third data at least comprises first data, second data and a second user;
the third display module is connected with the third storage module and used for displaying the first data and the second data;
and the third user module is connected with the third storage module and is used for obtaining the first use right of the HDTV receiving system through the second user.
And the third user module is also used for obtaining the first use authority of the HDMI multiplexing system through the first user.
The third user module is also used for controlling the second user through the first user; the first user is also used for setting the second use authority of the second user.
The wireless HDMI transmission system further comprises a second system applied in the first server, comprising,
the fourth storage module is used for storing the first data, the second data, the third data and fourth data of the second system;
the fourth user module and the fourth storage module are used for obtaining the first user and obtaining a third use right of the second system through the first user, wherein the third use right is used for expressing the right of an administrator user of the first user in the second system;
the fourth communication module is connected with the fourth storage module and is used for the second system to perform data interaction with the first system, the HDMI multiplexing system and the HDTV receiving system respectively;
and the second data processing module is used for providing a first instruction for the first user, wherein the first instruction is used for expressing a control command of the administrator user for controlling the second user.
And the second data processing module is also used for obtaining the user habit of the second user according to the second data and obtaining a second HDMI signal according to the user habit.
The wireless HDMI transmission system further comprises a third system applied in a second server, comprising,
the fifth communication module is used for data interaction between the third system and the second system as well as other wireless HDMI transmission systems;
the fifth storage module is connected with the fifth communication module and used for storing the second user and the user habits of the second user and fifth data of a third system;
and the fifth user module is used for obtaining a third user, wherein the third user is used for obtaining the user habit of the second user and obtaining the second HDMI signal according to the user habit.
An administrator user and a common user are set through the system, the common user obtains user authority according to the mobile phone number, and user login can be carried out by selecting a user login mode set on other high-definition settings;
user information of administrator users and common users is uploaded to the local server and the cloud server, management and maintenance are facilitated, information interaction can be carried out in the same type of system through the cloud server, user playing requirements of different high-definition devices of a single family can be met, and user playing requirements of the same system among different families can also be met.
The third user is a cloud server user, and the third user is associated with the first user and the second user, so that the first user and the second user can be remotely monitored and controlled.
The system provided by the invention can be wirelessly connected to another high-definition display device from any high-definition source device in a home, such as: televisions, projectors, high definition optical disc players, game consoles, video recorders, set-top boxes, and the like. The user can be at any place in the home, and simultaneously, the trouble and the cost for installing the cable and the set-top box can be reduced.
The product is characterized in that:
adopts powerful intelligent design
Simultaneous output of multiple H.264 video streams
Easy and flexible installation
The indoor open transmission distance is more than or equal to 30 meters;
the method supports a video HDMI interface, and maximally supports 1080P: 120 Hz;
supporting EDIT function;
supporting the infrared extended emission function;
the transmitting power is more than or equal to 16.2 dBm;
the AES image encryption function is supported;
a reverse return channel supporting a maximum of 100 kbs;
the circuit board size 71 x 66mm, the substrate thickness 1.6 mm.
The external pins of the HDMI mux hub are specifically tailored to the design in the HDTV receiver circuit. One HDMI port is provided on each side of the package, with 8 differential TMDS signal pairs, thus realizing 6 input ports and 2 output ports. The remaining signals consist of the power supply rail, Vcc and ground as well as low speed signals.
To solve the problem of electromagnetic interference in long-distance transmission of sensor signals, the converter 12 is connected in parallel with the paillette string at the shift register 96HC 402. The sensor converts the analog signal into parallel digital signal, and the shift register realizes parallel-serial conversion, and the serial digital signal has optical couple to complete long-line transmission. After the data is transmitted to the receiving end, the multi-bit parallel digital signal can be obtained through the serial-in parallel-out register.
In order to amplify the tiny alternating signal sufficiently, the comparator is driven to generate a potential jump as a signal for determining the receiving time. The characteristic is that it has high input impedance, it can match with receiving crystal to amplify current, after the signal is amplified by the following two stages, it is band-pass filtered by the inductance capacitance series resonance circuit, its central frequency is the ultrasonic base frequency. The comparator compares its quasi-signal with the input signal to generate an output control signal.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention in its spirit and scope. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A wireless HDMI transmission system based on household high definition display device, characterized in that the wireless HDMI transmission system comprises HDMI multiplexing system and HDTV receiving system, wherein,
the HDMI multiplexing system at least comprises,
a first storage module for storing first data generated by the HDMI multiplexing system and second data generated by the HDTV receiving system;
the first power supply module is used for supplying power to the HDMI multiplexing system;
the first data processing module is connected with the first storage module and is used for dividing the first HDMI signal of the first data into a plurality of paths of second HDMI signals;
a first user module, connected to the first storage module, for the HDMI multiplexing system to obtain a first user, where the first user includes an administrator user of the wireless HDMI transmission system and a user of the second HDMI signal;
the first communication module is connected with the first storage module and is used for data interaction between the HDMI multiplexing system and other systems;
the HDTV receiving system includes, at least,
the second storage module is used for storing the second data;
the second power module is used for supplying power to the HDTV receiving system;
a second user module for obtaining a second user, wherein the second user is used for representing the user;
and the second communication module is used for being connected with the second storage module and used for carrying out data interaction between the HDTV receiving system and the HDMI multiplexing system.
2. The household high definition display device-based wireless HDMI transmission system according to claim 1,
the first data processing module at least comprises a shift register unit and a driving comparator unit;
the shift register unit is used for decomposing the first HDMI signal into the second HDMI signal;
the driving comparator unit is used for filtering and amplifying the second HDMI signal.
3. The household high definition display device-based wireless HDMI transmission system according to claim 2,
the model of the shift register unit is 96HC 402.
4. The household high definition display device-based wireless HDMI transmission system according to claim 3,
the HDMI multiplexing system further comprises at least six input ports and two output ports.
5. The home high definition display device based wireless HDMI transmission system according to claim 4, wherein said wireless HDMI transmission system further comprises a first system applied in mobile device, comprising,
the third communication module is used for the first system to perform data interaction with the HDMI multiplexing system and the HDTV receiving system respectively;
a third storage module, connected to the third communication module, configured to store third data of the first system, where the third data at least includes the first data, the second data, and the second user;
the third display module is connected with the third storage module and used for displaying the first data and the second data;
and the third user module is connected with the third storage module and is used for obtaining the first use right of the HDTV receiving system through the second user.
6. The household high definition display device-based wireless HDMI transmission system according to claim 5,
the third user module is further configured to obtain a first usage right of the HDMI multiplexing system through the first user.
7. The household high definition display device-based wireless HDMI transmission system according to claim 6,
the third user module is also used for controlling the second user through the first user;
the first user is also used for setting a second use right of the second user.
8. The home high definition display device based wireless HDMI transmission system according to claim 7, wherein said wireless HDMI transmission system further comprises a second system applied in the first server, comprising,
a fourth storage module, configured to store the first data, the second data, the third data, and fourth data of the second system;
the fourth user module and the fourth storage module are used for obtaining the first user and obtaining a third use right of a second system through the first user, wherein the third use right is used for representing the right of the administrator user of the first user on the second system;
the fourth communication module is connected with the fourth storage module and is used for the second system to perform data interaction with the first system, the HDMI multiplexing system and the HDTV receiving system respectively;
and the second data processing module is used for providing a first instruction for the first user, wherein the first instruction is used for representing a control command of the administrator user for controlling the second user.
9. The home high definition display device based wireless HDMI transmission system according to claim 8,
the second data processing module is further configured to obtain a user habit of the second user according to the second data, and obtain the second HDMI signal according to the user habit.
10. The home high definition display device based wireless HDMI transmission system according to claim 9, further comprising a third system applied in a second server, comprising,
a fifth communication module, configured to perform data interaction between the third system and the first system, the second system, and other wireless HDMI transmission systems, where the other wireless HDMI transmission systems are used to represent the wireless HDMI transmission systems applied to other homes;
a fifth storage module, connected to the fifth communication module, for storing the second user and the user habits of the second user and fifth data of the third system;
and the fifth user module is used for obtaining a third user, wherein the third user is used for obtaining the user habit of the second user and obtaining the second HDMI signal according to the user habit.
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