CN113300181A - Photoelectric dual-mode audio and video data charging line and control method thereof - Google Patents
Photoelectric dual-mode audio and video data charging line and control method thereof Download PDFInfo
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Abstract
The invention provides a photoelectric dual-mode audio and video data charging line and a control method thereof. The charging wire comprises a wire module and a photoelectric module; the wire module comprises a first port, a second port and a main wire, wherein the first port and the second port are respectively arranged at two ends of the main wire; the photoelectric module comprises an electro-optical conversion module, a photoelectric conversion module, an optical fiber and a third port, wherein the optical fiber is respectively connected with the electro-optical conversion module and the photoelectric conversion module; the electro-optical conversion module converts the electric signal in the wire module into an optical signal and transmits the optical signal to the electro-optical conversion module through an optical fiber; the photoelectric conversion module converts the optical signal in the optical fiber into an electrical signal and conducts the electrical signal to the third port. Based on the characteristic of photoelectric isolation, the audio and video data are transmitted through the photoelectric module, the electric energy is transmitted through the wire module, the charging and audio and video output requirements are met, the transmission efficiency and the transmission quality of the audio and video data are improved, and meanwhile, the cost is reduced.
Description
Technical Field
The invention relates to the field of data lines, in particular to a photoelectric dual-mode audio and video data charging line and a control method thereof.
Background
Because with the rise of intelligent office, more and more scenes need to use screen projection operation. Most intelligent terminal equipment such as mobile phones and computers have a screen projection function.
At present, common screen projection technologies are mainly divided into wired screen projection and wireless screen projection. The wireless screen projection is not strong in applicability due to the defects of complex operation, wireless network coordination and the like, and the data transmission of the wireless screen projection is far less stable than that of a wired screen projection, so that the most common screen projection technology is the wired screen projection technology.
However, conventional wired screen projection techniques still suffer from major drawbacks. When the screen is connected and projected, a plurality of lines such as a power line and an audio and video data line are needed to be connected, and a large amount of lines are entangled during screen projection, which seriously influences user experience. In addition, the screen projection technology in the prior art only supports a single-input and single-output mode, that is, one input device can only correspond to one screen projection device. When one intelligent terminal device is used for screen projection, the only input end is occupied, other terminal devices cannot project screens, the circuits can be switched to reestablish communication between the screen projection device and the other terminal devices, and operation is complex.
Therefore, the screen projection technology in the prior art has the problems of complex circuit and single input, and a screen projection mode is needed to solve the technical problem.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a photoelectric dual-mode audio and video data charging line and a control method thereof. The specific technical scheme is as follows:
a photoelectric dual-mode audio and video data charging line comprises a wire module for transmitting electric energy and a photoelectric module for transmitting optical signals, wherein the photoelectric module is connected with the wire module;
the wire module comprises a first port, a second port and a main wire, wherein the first port and the second port are respectively arranged at two ends of the main wire;
the photoelectric module comprises a first photoelectric conversion module, a first optical fiber and a third port, wherein the first optical fiber is respectively connected with the first photoelectric conversion module and the first photoelectric conversion module;
the first electro-optical conversion module is arranged on the main wire and used for converting an electric signal in the wire module into an optical signal and transmitting the optical signal to the first electro-optical conversion module through the first optical fiber;
the first photoelectric conversion module is connected to the third port, and is configured to convert an optical signal in the first optical fiber into an electrical signal and conduct the electrical signal to the third port.
In a specific embodiment, the optoelectronic module includes a plurality of the third ports, and one of the first photoelectric conversion modules is connected to each of the third ports.
In a particular embodiment, the wire module is configured to transmit electrical energy bi-directionally;
when the first port is used as an input end of electric energy, the second port is used as an output end of the electric energy;
when the second port is used as the input end of the electric energy, the first port is used as the output end of the electric energy.
In a specific embodiment, the optoelectronic module further includes a second optoelectronic conversion module, a second electro-optical conversion module, and a second optical fiber, and the second optical fiber is respectively connected to the second optoelectronic conversion module and the second electro-optical conversion module;
the second electro-optical conversion module is connected to the third port, and is configured to convert an electrical signal in the third port into an optical signal and transmit the optical signal to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module is arranged on the main wire rod and used for converting the optical signal in the second optical fiber into an electrical signal and conducting the electrical signal to the first port or the second port;
the optical signal transmitted in the first optical fiber and the optical signal transmitted in the second optical fiber are opposite in direction.
In a specific embodiment, the third port is for transmitting an audio signal and a video signal;
the third port comprises an HDMI interface, a DVI interface or a DP interface;
and/or the first port is one of a Type-c interface, a USB-A interface and a Lightning interface, and the second port is one of a Type-c interface, a USB-A interface and a Lightning interface.
In a specific embodiment, the signal interface types of the plurality of third ports are different. Multiple types of signal interfaces convert video signals to different formats, and are suitable for equipment with different interfaces
In a specific embodiment, the first electro-optical conversion module includes an emission driving chip, a laser, an AFA optical device, and an AFA optical connector;
the first photoelectric conversion module comprises an AFA optical connector, an AFA optical device, a photoelectric detector and a receiving driving chip.
In a specific embodiment, the first electro-optical conversion module is provided with a data format conversion chip and a driving chip;
the OPO _ P pin of the data format conversion chip is connected with the TMDS0 pin of the driving chip, the OPO _ N pin of the data format conversion chip is connected with the TMDS1 pin of the driving chip, and the OPO _ OUT pin of the data format conversion chip is connected with the TMDS2 pin of the driving chip.
A control method of a photoelectric dual-mode audio and video data charging line is suitable for the photoelectric dual-mode audio and video data charging line;
the method comprises a charging mode and an audio and video transmission mode, wherein the charging mode and the audio and video transmission mode can be operated simultaneously;
the charging mode includes:
the power supply equipment inputs electric energy from the first port, passes through the main wire and is output to equipment to be charged from the second port; or
The power supply equipment inputs electric energy from the second port, passes through the main wire and is output to the equipment to be charged from the first port;
the audio and video transmission mode comprises the following steps:
audio and video data is input from the first port or the second port in the form of an electrical signal;
the first electro-optical conversion module acquires the electric signal in the main wire and converts the electric signal into an optical signal;
conducting the optical signal to the first photoelectric conversion module through the first optical fiber;
the first photoelectric conversion module converts the optical signal into an electric signal and sends the electric signal to the third port;
and the third port converts the electric signal into an audio/video output format for output.
In a specific embodiment, the audio/video transmission mode is bidirectional transmission, and the multi-photoelectric dual-mode audio/video data charging line further includes a second photoelectric conversion module, and a second optical fiber;
the third port acquires audio and video data, converts the audio and video data into an electric signal and sends the electric signal to the second electro-optical conversion module;
the second electro-optical conversion module converts the electrical signal into an optical signal, and the optical signal is transmitted to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module converts the optical signal into an electrical signal and transmits the electrical signal to the main wire;
the main wire conducts the electric signal to the first port or the second port for data output.
The invention has the following beneficial effects:
the invention provides a photoelectric dual-mode audio and video data charging line and a control method thereof, which solve the defects of the existing screen projection technology. A photoelectric module is creatively added on the basis of a charging data line. And carrying out charging and data transmission by utilizing the wire module. The photoelectric module is used for converting the electric signals into optical signals, transmitting the optical signals in optical fibers, converting the optical signals into the electric signals through the photoelectric conversion module, converting the electric signals into various video output formats, and outputting videos at corresponding interfaces. A multi-split data line is designed, the charging requirement and the audio and video output requirement can be met, and multi-interface video output is supported. Utilize the fiber module to carry out video output, light signal transmission decay in optic fibre reduces, can promote transmission quality, can reduce the line simultaneously thick, increase the line length, convenience of customers uses. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The cost is reduced and the radiation quantity of copper wires is reduced while the transmission efficiency and the transmission quality of audio and video data are improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic block diagram of a photoelectric dual-mode audio/video data charging line provided in embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a photoelectric dual-mode audio/video data charging line provided in embodiment 1 of the present invention;
fig. 3 is a schematic view of a first photoelectric conversion module and a first electro-optical conversion module according to embodiment 1 of the present invention;
FIG. 4 is a diagram showing a Type-C circuit configuration proposed in embodiment 1 of the present invention;
FIG. 5 is a diagram of a Type-C to HDMI circuit according to embodiment 1 of the present invention;
fig. 6 is a circuit diagram of a driver chip and an integrated laser according to embodiment 1 of the present invention;
FIG. 7 is a circuit diagram of a connection between a photosensor and an operational amplifier according to embodiment 1 of the present invention;
fig. 8 is a circuit diagram of the operational amplifier and the HDMI interface chip according to embodiment 1 of the present invention;
fig. 9 is a schematic block diagram of another optoelectronic dual-mode audio/video data charging line proposed in embodiment 1 of the present invention;
fig. 10 is a schematic block diagram of a photoelectric dual-mode audio/video data charging line according to embodiment 2 of the present invention;
fig. 11 is a schematic block diagram of another optoelectronic dual-mode audio/video data charging line proposed in embodiment 2 of the present invention;
fig. 12 is a flowchart of a control method according to embodiment 3 of the present invention.
Reference numerals: 1-a wire module; 2-a photovoltaic module; 11-first port 11; 12-a second port; 13-a main wire; 21-a first electro-optical conversion module; 22-a first optical fiber; 23-a first photoelectric conversion module; 24-a third port; 25-a second electro-optical conversion module; 26-a second optical fiber; 27-a second photoelectric conversion module.
Detailed Description
The embodiment provides a photoelectric dual-mode audio and video data charging line and a control method thereof aiming at the defects in the prior art, the audio and video data line and the charging line are combined by utilizing the isolation characteristics of light and electricity, the audio and video data are conducted through optical fibers, and electric energy is conducted through a wire rod, so that the data line can transmit the audio and video data and the electric energy, and the defects of complex circuit and single input existing in the screen projection technology in the prior art are overcome.
The traditional data charging wire transmits audio and video, the electric energy can interfere the audio and video data in the transmission process, not only can the audio and video data be attenuated and part of the data be lost, but also the transmission rate of the audio and video data can be influenced, the data delay is caused, and the realization of a screen projection technology is not facilitated.
The optical fibers of the present invention are all optical fiber groups, each optical fiber group includes 8 optical fibers, and full-function transmission can be realized.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
To overcome the defects in the prior art, the embodiment provides a photoelectric dual-mode audio/video data charging line, which has a specific structure as shown in fig. 1 in the specification, and the specific scheme is as follows:
a photoelectric dual-mode audio and video data charging line comprises a wire module 1 used for transmitting electric energy and a photoelectric module 2 used for transmitting optical signals, wherein the photoelectric module 2 is connected with the wire module 1. In the embodiment, the photoelectric module 2 is used for transmitting audio and video data, the wire module 1 is used for transmitting electric energy, and the two transmission modes are not interfered with each other based on the isolation characteristics of light and electricity. The interference of electric energy to audio and video data is avoided, and the problem of audio and video loss is solved.
The wire module 1 includes a first port 11, a second port 12, and a main wire 13, and the first port 11 and the second port 12 are respectively disposed at both ends of the main wire 13. The first port 11 and the second port 12 support audio and video data transmission and power transmission. The wire module 1 employs a conventional charging wire structure, and the first port 11 and the second port 12 correspond to a conventional power transmission interface, including but not limited to any one of known power transmission interfaces. The main wire 13 is a main structure of the charging cord, including but not limited to any one of known charging cord structures.
In the present embodiment, the wire module 1 is mainly responsible for power transmission between devices. For example, the first port 11 and the second port 12 both adopt a Type-C interface, and the wire module 1 can perform bidirectional power transmission at this time. Both can regard first port 11 as electric energy input end, second port 12 as the electric energy output, also can regard second port 12 as electric energy input end, first port 11 as the electric energy output, and same interface can be chooseed for use to first port 11 and second port 12, also can choose for use different signal interface. It should be understood by those skilled in the art that the first port 11 and the second port 12 can be selected according to the application scenario, and different interfaces are used for power transmission and signal transmission between different devices.
It should be noted that the first port 11 and the second port 12 also support transmission of audio and video data. The audio video data is input to the main wire 13 through the first port 11 or the second port 12 in the form of an electrical signal, and is received in the main wire 13 by the first electro-optical conversion module 21.
The optoelectronic module 2 includes a first electro-optical conversion module 21, a first photoelectric conversion module 23, a first optical fiber 22, and a third port 24. The first optical fiber 22 is connected to the first electro-optical conversion module 21 and the first photoelectric conversion module 23, respectively, and the first photoelectric conversion module 23 is connected to the third port 24. The first electro-optical conversion module 21 is formed by an electric signal driving module and a miniaturized laser, the first optical fiber 22 is a conventional communication optical fiber, the first electro-optical conversion module 23 is formed by a receiver and a photoelectric sensor, and the third port 24 is a video output interface including HDMI, DVI, DP and the like. The optoelectronic module 2 is a core structure of this embodiment, and is used for converting and transmitting audio/video data. The audio and video data are transmitted by the photoelectric module 2, so that the transmission rate can be improved, the attenuation is reduced, the line length is increased, the line thickness is not increased, the cost is not increased, and the radiation quantity is not increased.
Specifically, the first electro-optical conversion module 21 is disposed on the main wire 13, and the first photoelectric conversion modules 23 are connected to the first optical fiber 22 and the third port 24, respectively. The audio-video data is received in the form of electrical signals in the main wire 13 by the first electro-optical conversion module 21. The first electro-optical conversion module 21 converts the electrical signal in the wire module 1 into an optical signal, and transmits the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22. The first photoelectric conversion module 23 is configured to convert the optical signal in the first optical fiber 22 into an electrical signal, and conduct the electrical signal to the third port 24. The process of converting an electrical signal into an optical signal and then into an electrical signal is realized through the first electro-optical conversion module 21, the first optical fiber 22 and the first photoelectric conversion module 23, as shown in fig. 2 in the specification.
The first port 11 is one of a Type-c interface, a USB-A interface and a Lightning interface, and the second port 12 is one of a Type-c interface, a USB-A interface and a Lightning interface. In this embodiment, the first port 11 and the second port 12 are both exemplified by a Type-c interface.
The electrical signal is converted into an optical signal by the first electro-optical conversion module 21, and the optical signal is transmitted through the first optical fiber 22. The optical signal transmitted in the first optical fiber 22 has the characteristics of small attenuation, high sensitivity and no electromagnetic noise interference, and can reduce the thickness of the line and increase the length of the line while improving the transmission quality. The geometry of the first optical fiber 22 can be adjusted according to the environment requirement, the signal transmission is easy, and the use is convenient for users. The first optical fiber 22 is a convenient tool for transmitting signals, and a thin optical core in the cable can replace more than thousands of physical communication lines to complete a large amount of and long distance communication, and has the advantages of small size, light weight, long service life and low cost. Therefore, in the embodiment, the first optical fiber 22 is used for conducting the optical signal, which not only can improve the transmission quality and transmission efficiency, but also can reduce the cost and reduce the radiation amount of the copper wire.
In the present embodiment, the transmission path through the first electro-optical conversion module 21 (integrated laser), the first optical fiber 22, and the first electro-optical conversion module 23 (photo-electric sensor) utilizes the optical and electrical isolation characteristics, so that two or more lines are the same signal output, but because of the electro-optical isolation, they do not affect each other. The first electro-optical conversion module 21 includes a transmission driving chip, an integrated laser, an AFA optical device, and an AFA optical connector. The first photoelectric conversion module 23 includes a reception driving chip, a photodetector, an AFA optical device, and an AFA optical connector. As shown in figure 3 of the specification.
In particular, the third port 24 may include a plurality of, i.e., a plurality of third ports 24 may be provided as a port to be connected to the device. Each third port 24 is connected to one first photoelectric conversion module 23, and the interface of each third port 24 may be the same or different. The third port 24 includes, but is not limited to, any one of known audio-video data transmission interfaces, such as an HDMI interface, a DVI interface, a DP interface, and the like. The third port 24 can be flexibly set according to application scenes, so that one multi-split output line is realized, one line is used for electric energy transmission, and other lines can be used as a plurality of audio/video output lines. The plurality of third ports 24 can ensure that a plurality of inputs or a plurality of outputs exist, can output multi-path audio and video signals to project a screen, and realize charging when the screen is projected without influencing the stability and quality of video transmission.
In this embodiment, the audio/video signal transmitted by the first optical fiber 22 is transmitted unidirectionally, and is input to the main wire 13 from the first port 11 or the second port 12, and is converted into an optical signal by the first electro-optical conversion module 21, and then the optical signal is transmitted by the first optical fiber 22, and is converted into an electrical signal by the first electro-optical conversion module 23, and finally converted into a corresponding audio/video data format by the third port 24.
The specific circuit structure diagram is shown in the attached figures 4-8 in the specification. The first port 11 and the second port 12 are both exemplified by a Type-C interface, and a specific Type-C circuit structure is shown in fig. 4 of the specification. A conversion chip is arranged between the first electro-optical conversion module 21 and the main wire 13 and used for converting Type-C into HDMI, the chip is preferably CH7211A, and the circuit structure is as shown in fig. 5 of the specification. The conversion chip is connected with the driving chip, as shown in fig. 5 and 6 of the specification, the specific connection relationship is as follows: the OPO _ P pin of the conversion chip is connected with the TMDS0 pin of the driving chip, the OPO _ N pin of the conversion chip is connected with the TMDS1 pin of the driving chip, the OPO _ OUT pin of the conversion chip is connected with the TMDS2 pin of the driving chip, the OCP pin of the conversion chip is connected with the CLK pin of the driving chip, the OVP pin of the conversion chip is connected with the CEC pin of the driving chip, the VDET pin of the conversion chip is connected with the HPD pin of the driving chip, the SCK pin of the conversion chip is connected with the SCL pin of the driving chip, and the SDA pin of the conversion chip is connected with the SDA pin of the driving chip. The SCK pin and the SDA pin of the conversion chip output HDMI. The driving chip is connected with the integrated laser, and the pins P1-P8 of the integrated laser are sequentially connected with the driving chip, as shown in the figure 6 in the specification. The electrical signal is converted into an optical signal in the integrated laser, transmitted in an optical fiber, and received by the first photoelectric conversion module 23. The circuit chip of the first photoelectric conversion module 23 is shown in fig. 7 of the specification, the pins N1-N8 of the photoelectric sensor are sequentially connected to the optical fiber, the pins P1-P8 are connected to the operational amplifier, the output terminal of the operational amplifier is connected to the HDMI interface chip, and the circuit structure is shown in fig. 8 of the specification. Specifically, the TMDS2 pin is connected with the TMDS 2-pin, the TMDS1 pin is connected with the TMDS 1-pin, and the TMDS0 pin is connected with the TMDS 0-pin.
In another embodiment, each first optical fiber 22 is connected to one first photoelectric conversion module 23 and one first electro-optical conversion module 21, each first photoelectric conversion module 23 is connected to one third port 25, and the plurality of first photoelectric conversion modules 21 are connected to the main wire 13, as shown in fig. 9 in the specification. Each electro-optical conversion module corresponds to one photoelectric conversion module, high-efficiency and accurate transmission in the signal transmission process can be guaranteed, and the plurality of electro-optical conversion modules are responsible for transmission of a plurality of lines, so that the effects of simultaneous conversion and simultaneous transmission can be realized.
The embodiment provides a photoelectric dual-mode audio and video data charging line, and a photoelectric module is creatively added on the basis of a charging data line. Utilize the wire rod module to carry out charging and data transmission, remain the function of traditional charging wire. The photoelectric module converts the electric signal into optical signal, which is transmitted in optical fiber, and the optical signal is converted into electric signal by the first photoelectric conversion module, and then converted into video output format, and the video output is performed at the corresponding interface. The embodiment designs a data line with multiple interfaces, can meet the charging requirement and the audio and video output requirement, and supports multi-interface video output. The optical fiber is utilized to output video, the transmission attenuation of optical signals in the optical fiber is reduced, the transmission quality can be improved, the line thickness is reduced, the line length is increased, and the use by a user is facilitated. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The method has the advantages that the transmission efficiency and the transmission quality of the audio and video data are improved, meanwhile, the cost is reduced, and the radiation quantity is reduced.
Example 2
On the basis of embodiment 1, the present embodiment provides a photoelectric dual-mode audio/video data charging line capable of bidirectionally transmitting data. The specific structure is shown in the attached figure 10 of the specification, and the specific scheme is as follows:
in this embodiment, a set of photoelectric conversion modules and a set of electro-optical conversion modules are added on the basis of embodiment 1, that is, the photoelectric module 2 in this embodiment includes two sets of photoelectric conversion modules, two sets of electro-optical conversion modules, an optical fiber, and a third port 24.
The main wire 13 is provided with a group of photoelectric conversion modules and a group of electro-optical conversion modules, the third port 24 is provided with a group of photoelectric conversion modules and a group of electro-optical conversion modules, and the optical fibers are respectively connected with the two groups of photoelectric conversion modules and the electro-optical conversion modules.
Specifically, the optoelectronic module 2 further includes a second optoelectronic conversion module 27, a second electro-optical conversion module 25, and a second optical fiber 26, where the second optical fiber 26 is connected to the second optoelectronic conversion module 27 and the second electro-optical conversion module 25, respectively; the second electro-optical conversion module 25 is connected to the third port 24, and is configured to convert an electrical signal in the third port 24 into an optical signal, and transmit the optical signal to the second photoelectric conversion module 27 through the second optical fiber 26; the second photoelectric conversion module 27 is arranged on the main wire 13, and is used for converting the optical signal in the second optical fiber 26 into an electrical signal and conducting the electrical signal to the first port 11 or the second port 12; the optical signal transmitted in the first optical fiber 22 is in the opposite direction as the optical signal transmitted in the second optical fiber 26.
When audio and video signals are input from the first port 11 or the second port 12, the first electro-optical conversion module 21 converts the electrical signals into optical signals, the first optical fiber 22 transmits the optical signals to the first electro-optical conversion module 23, the first electro-optical conversion module 23 converts the optical signals into electrical signals and transmits the electrical signals to the third port 24, and the third port 24 converts the electrical signals into corresponding audio and video formats for audio output.
When audio and video signals are input from the third port 24, the second electro-optical conversion module 25 converts the electrical signals into optical signals, the second optical fiber 26 transmits the optical signals to the second photoelectric conversion module 27, the second photoelectric conversion module 27 converts the optical signals into electrical signals and transmits the electrical signals to the first port 11 or the second port 12, and the first port 11 or the second port 12 converts the electrical signals into corresponding audio and video formats for audio output.
In another embodiment, each second optical fiber 26 is connected to one second photoelectric conversion module 27 and one second electro-optical conversion module 25, each second electro-optical conversion module 25 is connected to one third port 24, and a plurality of second photoelectric conversion modules 27 are connected to the main wire 13, as shown in fig. 11 in the specification. Each electro-optical conversion module corresponds to one photoelectric conversion module, high-efficiency and accurate transmission in the signal transmission process can be guaranteed, and the plurality of electro-optical conversion modules are responsible for transmission of a plurality of lines, so that the effects of simultaneous conversion and simultaneous transmission can be realized. The optical signal transmitted in the first optical fiber 22 is in the opposite direction as the optical signal transmitted in the second optical fiber 26.
On the basis of embodiment 1, the main wire is additionally provided with a group of photoelectric conversion modules, the third port is additionally provided with a group of electro-optical conversion modules, and therefore bidirectional transmission of audio and video signals is achieved, and the audio and video signals can be output from the third port and also can be output from the first port or the second port.
Example 3
The embodiment provides a control method of a photoelectric dual-mode audio and video data charging line on the basis of embodiment 1. The specific process is shown in the attached figure 12 of the specification, and the specific scheme is as follows:
a control method of a photoelectric dual-mode audio and video data charging line comprises a charging mode and an audio and video transmission mode. The charging mode and the audio and video transmission mode can be operated simultaneously or independently.
Specifically, the charging mode includes:
the power supply equipment inputs electric energy from the first port 11, passes through the main wire 13 and is output to the equipment to be charged from the second port 12; or
The power supply device inputs electric energy from the second port 12, passes through the main wire 13, and outputs the electric energy from the first port 11 to the device to be charged.
Specifically, the audio-video transmission mode includes:
audio and video data are input from the first port 11 or the second port 12 in the form of electrical signals;
the first electro-optical conversion module 21 acquires an electrical signal in the main wire 13 and converts the electrical signal into an optical signal;
transmitting the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22;
the first photoelectric conversion module 23 converts the optical signal into an electrical signal and transmits the electrical signal to the third port 24;
the third port 24 converts the electrical signal into a corresponding audio/video output format for output.
In this embodiment, a method for charging the photoelectric dual-mode audio/video data in embodiment 1 is implemented, so as to form a specific control method.
Example 4
The embodiment provides a control method of a photoelectric dual-mode audio and video data charging line on the basis of the embodiment 2. The specific scheme is as follows:
a control method of a photoelectric dual-mode audio and video data charging line comprises a charging mode and an audio and video transmission mode. The charging mode and the audio and video transmission mode can be operated simultaneously or independently.
Specifically, the charging mode includes:
the power supply equipment inputs electric energy from the first port 11, passes through the main wire 13 and is output to the equipment to be charged from the second port 12; or
The power supply device inputs electric energy from the second port 12, passes through the main wire 13, and outputs the electric energy from the first port 11 to the device to be charged.
Specifically, the audio/video transmission mode is bidirectional transmission, and the first output mode includes:
audio and video data are input from the first port 11 or the second port 12 in the form of electrical signals;
the first electro-optical conversion module 21 acquires an electrical signal in the main wire 13 and converts the electrical signal into an optical signal;
transmitting the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22;
the first photoelectric conversion module 23 converts the optical signal into an electrical signal, and sends the electrical signal to the third port 24;
the third port 24 converts the electrical signal into a corresponding audio/video output format for output.
The second output mode includes:
audio-video data is input from the third port 24 in the form of electrical signals;
the second electro-optical conversion module 25 acquires an electrical signal in the third port 24 and converts the electrical signal into an optical signal;
conducting the optical signal to the second photoelectric conversion module 27 through the second optical fiber 26;
the second photoelectric conversion module 27 converts the optical signal into an electrical signal, and transmits the electrical signal to the first port 11 or the second port 12 through the main wire 13 to output the electrical signal.
In this embodiment, a method for charging the photoelectric dual-mode audio/video data in embodiment 2 is implemented, so as to form a specific control method.
The invention provides a photoelectric dual-mode audio and video data charging line and a control method thereof, which solve the defects of the existing screen projection technology. A photoelectric module is creatively added on the basis of a charging data line. And carrying out charging and data transmission by utilizing the wire module. The photoelectric module is used for converting the electric signals into optical signals, transmitting the optical signals in optical fibers, converting the optical signals into the electric signals through the photoelectric conversion module, converting the electric signals into various video output formats, and outputting videos at corresponding interfaces. A multi-split data line is designed, the charging requirement and the audio and video output requirement can be met, and multi-interface video output is supported. Utilize the fiber module to carry out video output, light signal transmission decay in optic fibre reduces, can promote transmission quality, can reduce the line simultaneously thick, increase the line length, convenience of customers uses. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The method has the advantages that the transmission efficiency and the transmission quality of the audio and video data are improved, meanwhile, the cost is reduced, and the radiation quantity is reduced.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. A photoelectric dual-mode audio and video data charging line is characterized by comprising a wire module for transmitting electric energy and a photoelectric module for transmitting an optical signal, wherein the photoelectric module is connected with the wire module;
the wire module comprises a first port, a second port and a main wire, wherein the first port and the second port are respectively arranged at two ends of the main wire;
the photoelectric module comprises a first photoelectric conversion module, a first optical fiber and a third port, wherein the first optical fiber is respectively connected with the first photoelectric conversion module and the first photoelectric conversion module;
the first electro-optical conversion module is arranged on the main wire and used for converting an electric signal in the wire module into an optical signal and transmitting the optical signal to the first electro-optical conversion module through the first optical fiber;
the first photoelectric conversion module is connected to the third port, and is configured to convert an optical signal in the first optical fiber into an electrical signal and conduct the electrical signal to the third port.
2. The charging cord of claim 1, wherein the photovoltaic module comprises a plurality of the third ports, one of the first photovoltaic conversion modules connected to each of the third ports.
3. The charging cord according to claim 1 or 2, characterized in that the wire module is configured to transmit electrical energy bi-directionally;
when the first port is used as an input end of electric energy, the second port is used as an output end of the electric energy;
when the second port is used as the input end of the electric energy, the first port is used as the output end of the electric energy.
4. The charging wire of claim 1, wherein the photovoltaic module further comprises a second photovoltaic conversion module, a second electro-optic conversion module, and a second optical fiber connecting the second photovoltaic conversion module and the second electro-optic conversion module, respectively;
the second electro-optical conversion module is connected to the third port, and is configured to convert an electrical signal in the third port into an optical signal and transmit the optical signal to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module is arranged on the main wire rod and used for converting the optical signal in the second optical fiber into an electrical signal and conducting the electrical signal to the first port or the second port;
the optical signal transmitted in the first optical fiber and the optical signal transmitted in the second optical fiber are opposite in direction.
5. The charging cord of claim 2, wherein the third port is to transmit an audio signal and a video signal;
the third port comprises an HDMI interface, a DVI interface or a DP interface;
and/or the first port is one of a Type-c interface, a USB-A interface and a Lightning interface, and the second port is one of a Type-c interface, a USB-A interface and a Lightning interface.
6. The charging cord of claim 2, wherein a plurality of the third ports differ in signal interface type.
7. The charging cord according to claim 1, wherein the first electro-optic conversion module comprises a launch driver chip, a laser, an AFA optical device, and an AFA optical connector;
the first photoelectric conversion module comprises an AFA optical connector, an AFA optical device, a photoelectric detector and a receiving driving chip.
8. The charging wire of claim 1, wherein the first electro-optical conversion module is provided with a data format conversion chip and a driving chip;
the OPO _ P pin of the data format conversion chip is connected with the TMDS0 pin of the driving chip, the OPO _ N pin of the data format conversion chip is connected with the TMDS1 pin of the driving chip, and the OPO _ OUT pin of the data format conversion chip is connected with the TMDS2 pin of the driving chip.
9. A control method of a photoelectric dual-mode audio/video data charging line is characterized by being applicable to the photoelectric dual-mode audio/video data charging line in claim 1;
the method comprises a charging mode and an audio and video transmission mode, wherein the charging mode and the audio and video transmission mode can be operated simultaneously;
the charging mode includes:
the power supply equipment inputs electric energy from the first port, passes through the main wire and is output to equipment to be charged from the second port; or
The power supply equipment inputs electric energy from the second port, passes through the main wire and is output to the equipment to be charged from the first port;
the audio and video transmission mode comprises the following steps:
audio and video data is input from the first port or the second port in the form of an electrical signal;
the first electro-optical conversion module acquires the electric signal in the main wire and converts the electric signal into an optical signal;
conducting the optical signal to the first photoelectric conversion module through the first optical fiber;
the first photoelectric conversion module converts the optical signal into an electric signal and sends the electric signal to the third port;
and the third port converts the electric signal into an audio/video output format for output.
10. The control method according to claim 9, wherein the audio/video transmission mode is bidirectional transmission, and the photoelectric dual-mode audio/video data charging line further comprises a second electro-optical conversion module, a second photoelectric conversion module and a second optical fiber;
the third port acquires audio and video data, converts the audio and video data into an electric signal and sends the electric signal to the second electro-optical conversion module;
the second electro-optical conversion module converts the electrical signal into an optical signal, and the optical signal is transmitted to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module converts the optical signal into an electrical signal and transmits the electrical signal to the main wire;
the main wire conducts the electric signal to the first port or the second port for data output.
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