CN210246906U - Optical fiber matrix switch transmission device and conversion interface device - Google Patents
Optical fiber matrix switch transmission device and conversion interface device Download PDFInfo
- Publication number
- CN210246906U CN210246906U CN201921292101.5U CN201921292101U CN210246906U CN 210246906 U CN210246906 U CN 210246906U CN 201921292101 U CN201921292101 U CN 201921292101U CN 210246906 U CN210246906 U CN 210246906U
- Authority
- CN
- China
- Prior art keywords
- optical
- interface
- signals
- signal
- electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses an optical fiber matrix switch transmission device and conversion interface arrangement. The device comprises a receiving unit, a first optical module and a second optical module, wherein the receiving unit comprises a first optical interface, a first optical module transmission module, a first main control chip and a first electrical interface; the first optical module transmission module comprises a single optical receiver and an array type optical receiver; the first optical interface receives one path of optical signals and four paths of audio and video optical signals containing clock signals, data signals, hot plug signals and equipment control signals of multimedia output equipment, the single optical receiver converts one path of optical signals into electric signals of the clock signals, the data signals, the hot plug signals and the equipment control signals, and the array type optical receiver converts the four paths of audio and video optical signals into four pairs of differential electric signals; the electrical signal is output through the first electrical interface. The utility model discloses different interfaces to multimedia output equipment and Display equipment convert the light signal into through conversion interface arrangement and carry out signal transmission through optic fibre, have solved traditional transmission line distance restriction problem.
Description
Technical Field
The utility model relates to an optical communication technical field especially relates to an optical fiber matrix switch transmission device and conversion interface device.
Background
At present, multimedia signal transmission lines on the market are mostly composed of 19-core copper wires such as HDMI transmission lines, DVI transmission lines and VGA transmission lines, and are influenced by the characteristics of metal materials, and the transmission lines have the problems of small bandwidth, large attenuation, weak anti-interference capability and the like, so that the transmission distance of signals is short, and the maximum transmission distance of the traditional transmission lines is 20 meters.
In order to avoid serious attenuation of signals, copper wires need to be thickened, signal shielding is strengthened, and precious non-renewable resources are wasted. The traditional transmission line cannot be simultaneously wired with a strong electric wire, the anti-interference capability is poor, the traditional transmission line may not meet the requirements of bandwidth, precision and the like of signal transmission, the existing transmission line generally has directionality, errors cannot occur when the output interface of multimedia output equipment and the output interface of Display equipment (namely Display or audio playing equipment) are wired in advance, and once errors occur, the whole reworking and rewiring are required.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fiber matrix switch transmission device can solve the transmission line distance restriction problem between multimedia output equipment and the Display equipment.
The utility model adopts the following technical scheme:
the transmission device of the optical fiber matrix switch comprises a receiving unit, and is characterized in that the receiving unit comprises a first optical interface, a first optical module transmission module, a first main control chip and a first electrical interface;
the first optical module transmission module comprises a single optical receiver and an array type optical receiver;
the first optical interface receives one path of optical signal and four paths of audio and video optical signals containing a clock signal, a data signal, a hot plug signal and a device control signal of multimedia output equipment, the single optical receiver converts the one path of optical signal into the electrical signals of the clock signal, the data signal, the hot plug signal and the device control signal of the multimedia output equipment, and the array type optical receiver converts the four paths of audio and video optical signals into four pairs of differential electrical signals;
the electrical signal is output through the first electrical interface.
As an improvement of the above scheme, the transmission apparatus for an optical fiber matrix switch further includes a transmitting unit, where the transmitting unit includes a second optical interface, a second optical module transmission module, a second main control chip, and a second electrical interface;
the second optical module transmission module comprises a single optical transmitter and an array optical transmitter;
the second electrical interface receives the electrical signals of the first electrical interface, the single optical transmitter converts electrical signals of clock signals, data signals, hot plug signals and device control signals of the multimedia output device into one path of optical signals, and the array optical transmitter converts the four pairs of differential electrical signals into four paths of audio and video optical signals;
the optical signal is output through the second optical interface.
Preferably, the first optical interface and the second optical interface are multicore optical fiber interfaces.
Preferably, the first optical module transmission module is connected to the first optical interface through a fiber optic device; the clock signal, the data signal, the electric signals of the hot plug signal and the equipment control signal and the four pairs of differential electric signals are connected with the first electric interface connector through golden fingers. The scheme can support a plurality of multi-core optical fiber interfaces, and is convenient for switching of multiple input ports.
Preferably, the second optical module transmission module is connected to the second optical interface through a fiber optic device; the clock signal, the data signal, the electric signals of the hot plug signal and the equipment control signal and the four pairs of differential electric signals are connected with the second electric interface connector through golden fingers. The scheme can support a plurality of multi-core optical fiber interfaces, and is convenient for switching of multiple output ports.
Preferably, the first optical interface and the second optical interface are connected to a multicore fiber flange connector.
The utility model also provides a conversion interface arrangement for the port signal of telecommunication with multimedia output equipment and Display equipment converts the light signal transmission into.
The utility model adopts the following technical scheme:
the conversion interface device comprises a transmitting unit, and is characterized in that the transmitting unit comprises a third optical interface, a third optical module transmission module, a third main control chip, a third electrical interface and a USB interface for supplying power to the transmitting unit;
the third optical module transmission module comprises a single optical transmitter and an array optical transmitter;
the array type optical transmitter converts four pairs of differential electrical signals of the multimedia output equipment into four paths of audio and video optical signals;
the optical signal is output to the first optical interface of the optical fiber matrix switch transmission device through the third optical interface;
the optical fiber matrix switch transmission device is the optical fiber matrix switch transmission device.
The conversion interface device comprises a receiving unit, and is characterized in that the receiving unit comprises a fourth optical interface, a fourth optical module transmission module, a fourth main control chip, a fourth electrical interface and a USB interface for supplying power to the receiving unit;
the fourth optical module transmission module comprises a single optical receiver and an array type optical receiver;
the fourth optical interface receives one path of optical signal and four paths of audio and video optical signals which are sent by the second optical interface of the optical fiber matrix switch transmission device and contain clock signals, data signals, hot plug signals and device control signals of multimedia output devices, the single optical receiver converts the one path of optical signal into electric signals of the clock signals, the data signals, the hot plug signals and the device control signals of the multimedia output devices, and the array type optical receiver converts the four paths of audio and video optical signals into four pairs of differential electric signals;
the electric signal is output through the fourth electric interface;
the optical fiber matrix switch transmission device is the optical fiber matrix switch transmission device.
As an improvement of the above solution, the third electrical interface and the fourth electrical interface are respectively a DP connector, a DVI connector, an HDMI connector, a VGA connector and/or a USB connector. The scheme can provide the non-uniform compatibility of different product interfaces, and different interfaces of different products can be converted into optical signals through the conversion interface device for signal transmission.
Advantageous effects
The utility model discloses different interfaces to multimedia output equipment and Display equipment convert the light signal into through conversion interface arrangement and carry out signal transmission through optic fibre, have solved traditional transmission line distance restriction problem, have improved the interference killing feature, reduce signal attenuation. The interface conversion circuit of the transmission device of the fiber matrix switch further increases the transmission distance of the transmission line.
Drawings
Fig. 1 is a schematic diagram of a circuit structure of a general equipment for use of a transmission device and a conversion interface device of an optical fiber matrix switch according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the transmitting unit TX in fig. 1;
fig. 3 is a schematic diagram of the structure of the receiving unit RX in fig. 1;
fig. 4 is a schematic structural diagram of the transmission apparatus of the fiber matrix switch in fig. 1.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 4, a transmission apparatus 1 of an optical fiber matrix switch includes a power supply, a main control board, an MPO input control board 10 (Multi Push On, Multi-core fiber interface), and an MPO output control board 20.
The MPO input control board 10 is provided with a receiving unit RX100, and the receiving unit RX100 includes a first optical interface 101, a first optical module transmission module 102, a first main control chip, and a first electrical interface (i.e., an input board card). The first optical module transmission module comprises a single optical receiver and an array type optical receiver.
The MPO output control board 20 is provided with a transmitting unit TX200, where the transmitting unit TX200 includes a second optical interface 201, a second optical module transmission module 202, a second main control chip, and a second electrical interface (i.e., an output board card). The second optical module transmission module comprises a single optical transmitter and an array optical transmitter.
The first optical interface 101 and the second optical interface 201 are connected to multi-core fiber flange connectors 103 and 203, and are used for connecting an MPO connector at one end of a transmission line fiber.
The input board card and the output board card are directly inserted into the card slot of the main control board. The input board card is electrically connected with the MPO input control board 10 through a golden finger, and the output board card is electrically connected with the MPO output control board 20 through a golden finger.
The conversion interface device a comprises a transmitting unit TX300, and the transmitting unit TX300 comprises a third optical interface, a third optical module transmission module, a third main control chip, a third electrical interface and a USB interface for supplying power to the transmitting unit. The device is connected with the output end of multimedia output equipment (such as a computer, a DVD and the like) and is used for converting an electric signal output by the multimedia output equipment into an optical signal and transmitting a video and audio signal of the multimedia output equipment through an optical fiber.
The third optical module transmission module comprises a single optical transmitter and an array optical transmitter.
The third electrical interface is a DP connector, a DVI connector, an HDMI connector, a VGA connector, and/or a USB connector.
The conversion interface device B includes a receiving unit RX400, and the receiving unit RX400 includes a fourth optical interface, a fourth optical module transmission module, a fourth main control chip, a fourth electrical interface, and a USB interface for supplying power to the receiving unit. The device is connected with the input end of the display equipment and/or the audio playing equipment and is used for converting video and audio optical signals containing multimedia output equipment into electric signals for the display equipment to display and/or the audio playing equipment to play.
The fourth optical module transmission module comprises a single optical receiver and an array type optical receiver.
The fourth electrical interface is a DP connector, a DVI connector, an HDMI connector, a VGA connector, and/or a USB connector.
The third electrical interface and the fourth electrical interface take an HDMI connector as an example, and the first electrical interface and the second electrical interface can be understood as an input/output port of an electrical signal main control board chip and can also be understood as an input board card and an output board card; the first to fourth optical interfaces are MPO interfaces, and the working process of the optical fiber matrix switch transmission device is as follows:
the communication transmitting unit TX300 of the conversion interface device a is connected to an HDMI output device (e.g., DVD, computer, etc.) through an HDMI connector (third electrical interface), converts 4 pairs of Transition Minimized Differential Signals (TMDS) output by the HDMI output device into 4 signals capable of driving the optical transmitter through an internal circuit, and converts the 10GB/S high-speed electrical signal into an optical signal for transmission by using the 1 × 4 array optical transmitter.
The communication sending unit TX300 of the conversion interface device a inputs the clock Signal (SCL), the data Signal (SDA), the hot plug signal (HPD), and the device control signal (CEC) of the HDMI output device into the third main control chip through the HDMI connector (third electrical interface), and the third main control chip integrates the 4 paths of signals into a path of 5MB/S low-speed electrical signal, and sends the low-speed electrical signal into a single optical transmitter to be converted into an optical signal for transmission.
4 paths of high-speed optical signals sent by the array type optical transmitter at the communication sending unit TX300 end of the conversion interface device A and 1 path of low-speed optical signals sent by a single optical transmitter are reflected at 90 degrees through a third optical interface (MPO interface), an MPO flange connector and an MPO joint and enter optical fibers, and the optical signals are transmitted into a communication receiving unit RX100 of the optical fiber matrix switch transmission device through five optical fibers with the diameter of 125 mu m.
The communication receiving unit RX100 of the transmission apparatus of the fiber matrix switch transmits 4 high-speed optical signals and 1 low-speed optical signal through the transmission line fiber MPO connector, the MPO flange connector 103, and the first optical interface 101(MPO interface), and enters the optical receiver of the first optical module transmission module 102. The optical signal received by the optical receiver is converted into 4 high-speed electrical signals and 1 low-speed electrical signal respectively, wherein the 4 high-speed electrical signals are converted by an internal circuit and then output 4 pairs of Minimized Differential transmission signals (TMDS), the 1 low-speed electrical signal enters a main control chip, the main control chip decomposes the signals into a clock Signal (SCL), a data Signal (SDA), a hot plug signal (HPD) and an equipment control signal (CEC), and the 4 pairs of Differential electrical signals and the 4 decomposed electrical signals are output from a first electrical interface.
The communication receiving unit TX200 of the transmission device of the fiber matrix switch receives 4 pairs of differential electrical signals and 4 paths of decomposed electrical signals sent by the first electrical interface through the second electrical interface, the 4 pairs of differential electrical signals are converted into 4 paths of signals capable of driving the optical transmitter by the second optical module transmission module 202, and the 1 × 4 array optical transmitter is used for converting the 10GB/S high-speed electrical signal into an optical signal for transmission. The second main control chip integrates the 4 paths of decomposed electric signal clock Signals (SCL), data Signals (SDA), hot plug signals (HPD) and equipment control signals (CEC) into a path of 5MB/S low-speed electric signals, and sends the low-speed electric signals into a single optical transmitter to be converted into optical signals to be transmitted.
4 paths of high-speed optical signals sent by the array type optical transmitters at the TX200 end of the communication receiving unit of the optical fiber matrix switch transmission device and 1 path of low-speed optical signals sent by a single optical transmitter pass through a second optical interface 201 (MPO interface), an MPO flange connector 203 and a transmission line optical fiber MPO joint, are reflected at 90 degrees and enter optical fibers, and the optical signals are transmitted into a communication receiving unit RX400 of a conversion interface device B through five optical fibers with the diameter of 125 mu m.
The communication receiving unit RX of the conversion interface device B is connected to an HDMI display device (such as a television, a display, etc.) through an HDMI connector (fourth electrical interface), the receiving unit RX inputs 5 received optical signals into a fourth optical module transmission module through an MPO connector, an MPO flange connector and a fourth optical receiving port (MPO interface), and converts the received optical signals into 4 high-speed electrical signals and 1 low-speed electrical signals respectively, wherein the 4 high-speed electrical signals are converted by an internal circuit and then output 4 pairs of minimum transmission differential signals, the 1 low-speed electrical signals enter a main control chip, the main control chip decomposes the signals into clock Signals (SCL), data Signals (SDA), hot plug signals (HPD) and device control signals (CEC).
The communication receiving unit RX of the conversion interface device B transmits the converted electrical signal 4 to a high-speed minimum transmission differential signal, a low-speed clock Signal (SCL), a data Signal (SDA), a hot plug signal (HPD), and a device control signal (CEC), and transmits the converted electrical signal to a display device (e.g., a television, a display, etc.) and/or an audio playback device with an HDMI interface (fourth electrical interface), so as to complete signal transmission from an output device (e.g., a DVD, a computer, etc.), a conversion interface device a with an HDMI third electrical interface, an optical fiber transmission line, an optical fiber matrix switch transmission device, an optical fiber transmission line, a conversion interface device B with an HDMI fourth electrical interface, and to the display device and/or the audio playback device.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. The transmission device of the optical fiber matrix switch comprises a receiving unit, and is characterized in that the receiving unit comprises a first optical interface, a first optical module transmission module, a first main control chip and a first electrical interface;
the first optical module transmission module comprises a single optical receiver and an array type optical receiver;
the first optical interface receives one path of optical signal and four paths of audio and video optical signals containing a clock signal, a data signal, a hot plug signal and a device control signal of multimedia output equipment, the single optical receiver converts the one path of optical signal into the electrical signals of the clock signal, the data signal, the hot plug signal and the device control signal of the multimedia output equipment, and the array type optical receiver converts the four paths of audio and video optical signals into four pairs of differential electrical signals;
the electrical signal is output through the first electrical interface.
2. The fiber matrix switch transmission apparatus of claim 1, further comprising a transmission unit, the transmission unit comprising a second optical interface, a second optical module transmission module, a second master control chip, and a second electrical interface;
the second optical module transmission module comprises a single optical transmitter and an array optical transmitter;
the second electrical interface receives the electrical signals of the first electrical interface, the single optical transmitter converts electrical signals of clock signals, data signals, hot plug signals and device control signals of the multimedia output device into one path of optical signals, and the array optical transmitter converts the four pairs of differential electrical signals into four paths of audio and video optical signals;
the optical signal is output through the second optical interface.
3. The fiber matrix switch transmission arrangement of claim 2, wherein the first optical interface and the second optical interface are multicore fiber interfaces.
4. The fiber matrix switch transmission arrangement of claim 1, wherein the first optical module transmission module is connected to the first optical interface by a fiber optic device; the clock signal, the data signal, the electric signals of the hot plug signal and the equipment control signal and the four pairs of differential electric signals are connected with the first electric interface connector through golden fingers.
5. The fiber matrix switch transmission arrangement of claim 2, wherein the second optical module transmission module is connected to the second optical interface by a fiber optic device; the clock signal, the data signal, the electric signals of the hot plug signal and the equipment control signal and the four pairs of differential electric signals are connected with the second electric interface connector through golden fingers.
6. The fiber matrix switch transport apparatus of claim 2, wherein the first optical interface and the second optical interface connect multi-fiber flange connectors.
7. The conversion interface device comprises a transmitting unit, and is characterized in that the transmitting unit comprises a third optical interface, a third optical module transmission module, a third main control chip, a third electrical interface and a USB interface for supplying power to the transmitting unit;
the third optical module transmission module comprises a single optical transmitter and an array optical transmitter;
the array type optical transmitter converts four pairs of differential electrical signals of the multimedia output equipment into four paths of audio and video optical signals;
the optical signal is output to a first optical interface of a transmission device of the optical fiber matrix switch through the third optical interface;
wherein the fiber matrix switch transmission device is the fiber matrix switch transmission device of claims 1-6.
8. Conversion interface device according to claim 7, characterized in that the third electrical interface is a DP connection, a DVI connection, an HDMI connection, a VGA connection and/or a USB connection.
9. The conversion interface device comprises a receiving unit, and is characterized in that the receiving unit comprises a fourth optical interface, a fourth optical module transmission module, a fourth main control chip, a fourth electrical interface and a USB interface for supplying power to the receiving unit;
the fourth optical module transmission module comprises a single optical receiver and an array type optical receiver;
the fourth optical interface receives one path of optical signal and four paths of audio and video optical signals which are sent by a second optical interface of the optical fiber matrix switch transmission device and contain a clock signal, a data signal, a hot plug signal and a device control signal of multimedia output equipment, the single optical receiver converts the one path of optical signal into the electrical signals of the clock signal, the data signal, the hot plug signal and the device control signal of the multimedia output equipment, and the array type optical receiver converts the four paths of audio and video optical signals into four pairs of differential electrical signals;
the electric signal is output through the fourth electric interface;
the fiber matrix switch transmission device is the fiber matrix switch transmission device in claims 2, 3, 5 and 6.
10. Conversion interface device according to claim 9, characterized in that the fourth electrical interface is a DP connector, a DVI connector, an HDMI connector, a VGA connector and/or a USB connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292101.5U CN210246906U (en) | 2019-08-09 | 2019-08-09 | Optical fiber matrix switch transmission device and conversion interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292101.5U CN210246906U (en) | 2019-08-09 | 2019-08-09 | Optical fiber matrix switch transmission device and conversion interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246906U true CN210246906U (en) | 2020-04-03 |
Family
ID=69963824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292101.5U Active CN210246906U (en) | 2019-08-09 | 2019-08-09 | Optical fiber matrix switch transmission device and conversion interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351510A (en) * | 2019-08-09 | 2019-10-18 | 昆山思雷电子科技有限公司 | A kind of fiber matrix interchanger transmitting device and converting interface device |
| CN112688717A (en) * | 2020-12-24 | 2021-04-20 | 深圳市瑞葆科技有限公司 | Interface pairing method |
-
2019
- 2019-08-09 CN CN201921292101.5U patent/CN210246906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351510A (en) * | 2019-08-09 | 2019-10-18 | 昆山思雷电子科技有限公司 | A kind of fiber matrix interchanger transmitting device and converting interface device |
| CN112688717A (en) * | 2020-12-24 | 2021-04-20 | 深圳市瑞葆科技有限公司 | Interface pairing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210839865U (en) | Photoelectric signal transmission device for split television | |
| CN110351510A (en) | A kind of fiber matrix interchanger transmitting device and converting interface device | |
| CN114513254B (en) | High-speed photoelectric transmission system capable of dynamically changing transmission direction and cable | |
| CN201726404U (en) | KVM optical transmitter and receiver. | |
| CN210246906U (en) | Optical fiber matrix switch transmission device and conversion interface device | |
| CN218732193U (en) | Signal connector, signal extender and signal transmitting and receiving device | |
| CN202488591U (en) | High definition multimedia interface remote transmitting device | |
| CN109994281B (en) | AOC cable compatible with multiple interfaces | |
| CN212518992U (en) | Optical fiber transmission device of 8K signal source | |
| CN112187362A (en) | Photoelectric transmission board card compatible with various communication interfaces | |
| CN216391268U (en) | HDMI2.1 all-optical photoelectric conversion communication device | |
| CN212660246U (en) | Extender with USB interface supporting HDBT transmission | |
| KR101021891B1 (en) | Optical signal transmitting apparatus for long-distance graphic signal and touch-input signal | |
| CN110750474A (en) | Data line for remote transmission of USB2.0 signals | |
| CN205068361U (en) | Computer extender | |
| CN207625562U (en) | Signal transmssion line and signal transmission system | |
| CN216388075U (en) | Photoelectric conversion device for converting A interface into Micro B interface based on USB3.0 | |
| CN207303601U (en) | A kind of VR/AR connection cables | |
| CN106027150B (en) | A kind of system that multi signal transmitted in both directions is realized based on simple optical fiber | |
| CN214042270U (en) | KVM switch based on Type-C port | |
| CN112887685B (en) | HDMI one-in-multiple-out active optical cable | |
| CN202353686U (en) | 10-gigabit receiving optical module for video transmission | |
| US10880012B2 (en) | Optical transmission system | |
| CN211236355U (en) | Photoelectric conversion apparatus, display control system, and display system | |
| CN210670386U (en) | Transmission system for transmitting DVI signals in long distance by optical fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |