CN111245515A - Device and method for signal long-distance transmission - Google Patents
Device and method for signal long-distance transmission Download PDFInfo
- Publication number
- CN111245515A CN111245515A CN202010025802.3A CN202010025802A CN111245515A CN 111245515 A CN111245515 A CN 111245515A CN 202010025802 A CN202010025802 A CN 202010025802A CN 111245515 A CN111245515 A CN 111245515A
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- signal
- optical
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- photoelectric conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
- H04B10/25756—Bus network topology
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
- H04B10/25759—Details of the reception of RF signal or the optical conversion before the optical fibre
Abstract
The invention provides a device for signal long-distance transmission, which comprises an electro-optical conversion module, an optical signal enhancer module, an optical fiber transmission module and a photoelectric conversion module, wherein the electro-optical conversion module is in signal connection with the optical signal enhancer module, the optical signal enhancer module is in signal connection with the optical fiber transmission module, the optical fiber transmission module is in signal connection with the optical signal enhancer module, and the optical signal enhancer module is in signal connection with the photoelectric conversion module, and the device has the advantages that: the device for signal long-distance transmission has the characteristics of strong anti-interference capability, long transmission distance, high speed, good stability, small volume, convenience in installation and the like.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of photoelectric converters, and in particular, to a device and method for transmitting signals remotely.
[ background of the invention ]
In the prior art, RS-232(ANSI/EIA-232 standard) is a serial connection standard on an IBM-PC and compatible machines thereof, can be used for many purposes, such as connecting a mouse, a printer or a Modem, and is widely used in various industrial control, production line process control, traffic control and other occasions, due to improvement of driving and connecting lines, the transmission length or speed of the RS-232 in practical application often exceeds a standard value, but the farthest distance of RS-232 serial communication is 20 meters, and the RS-232 has the defects of weak anti-interference capability, low transmission rate, short distance and the like.
[ summary of the invention ]
The invention aims to solve the problems of weak anti-interference capability, low transmission rate, short distance and the like of the existing RS232, and provides a novel device and a method for remotely transmitting signals.
The invention is realized by the following technical scheme:
a device for signal remote transmission comprises an electro-optical conversion module, an optical signal enhancer module, an optical fiber transmission module and a photoelectric conversion module, wherein the electro-optical conversion module is in signal connection with the optical signal enhancer module, the optical signal enhancer module is in signal connection with the optical fiber transmission module, the optical fiber transmission module is in signal connection with the optical signal enhancer module, and the optical signal enhancer module is in signal connection with the photoelectric conversion module.
The photoelectric conversion module is connected with the first CPU module through the communication module, and the photoelectric conversion module is connected with the second CPU module through the communication module.
Furthermore, the electro-optical conversion module comprises a sending end and a receiving end, the sending end of the electro-optical conversion module is connected with the first CPU module through a communication module, and the first CPU module is connected with the receiving end of the electro-optical conversion module through a communication module in a signal transmission manner.
Furthermore, the photoelectric conversion module comprises a sending end and a receiving end, the sending end of the photoelectric conversion module is connected with the second CPU module through the communication module, and the second CPU module is connected with the receiving end of the photoelectric conversion module through the communication module in a signal transmission manner.
Further, the communication module is an RS232 communication port or a CAN bus communication port or an RS485 communication port.
A method of remote transmission of signals comprising the steps of:
s1: the electric signal of the electro-optical conversion module is transmitted from a receiving end or a transmitting end, is changed into an electric signal and is transmitted to the first CPU module, and the electric signal converted into the format of the communication module is transmitted out through the communication module;
s2: transmitting the electrical signal in the communication module format in the step S1 to the first CPU module through the communication module, transmitting the electrical signal passing through the electrical-to-optical conversion module to the optical signal enhancer module, performing power amplification on the electrical signal by the optical signal enhancer module, and converting the amplified electrical signal into an optical signal through the optical fiber transmission module;
s3: the optical fiber transmission module in the step S2 is converted into an optical signal and then transmitted to the optical signal enhancer module, the optical signal enhancer module performs power amplification on the optical signal, and the amplified optical signal is converted into an electrical signal through the photoelectric conversion module;
s4: the electric signal of the photoelectric conversion module is transmitted from the transmitting end or the receiving end, is changed into an electric signal and is transmitted to the second CPU module, and the electric signal converted into the format of the communication module is transmitted out through the communication module;
s5: the electrical signal in the communication module format in step S4 is transmitted to the second CPU module via the communication module.
The invention has the beneficial effects that: the device for signal long-distance transmission has the characteristics of strong anti-interference capability, long transmission distance, high speed, good stability, small volume, convenience in installation and the like.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an RS232 communication port of an apparatus for remote transmission of signals according to an embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a CAN bus communication port of the device for remote signal transmission according to the present invention in embodiment 2;
fig. 3 is a schematic structural diagram of an RS485 communication port of the device for remote transmission of signals according to the embodiment 3 of the present invention;
reference numerals: 1. an electro-optical conversion module; 2. an optical signal enhancer module; 3. an optical fiber transmission module; 4. a photoelectric conversion module; 5. a first CPU module; 6. a second CPU module; 7. RS232 communication port or CAN bus communication port or RS485 communication port.
[ detailed description ] embodiments
The invention is further described with reference to the accompanying drawings and the detailed description:
example 1:
as shown in fig. 1, a device for remote signal transmission includes an electro-optical conversion module 1, an optical signal enhancer module 2, an optical fiber transmission module 3, and an electro-optical conversion module 4, where the electro-optical conversion module 1 is in signal connection with the optical signal enhancer module 2, the optical signal enhancer module 2 is in signal connection with the optical fiber transmission module 3, the optical fiber transmission module 3 is in signal connection with the optical signal enhancer module 2, and the optical signal enhancer module 2 is in signal connection with the electro-optical conversion module 4.
Preferably, the photoelectric conversion module further comprises a first CPU module 5, a second CPU module 6, and an RS232 communication port 7, wherein the photoelectric conversion module 1 is connected with the first CPU module 5 through the RS232 communication port 7, and the photoelectric conversion module 4 is connected with the second CPU module 6 through the RS232 communication port 7.
Preferably, the electro-optical conversion module 1 includes a transmitting end and a receiving end, the transmitting end of the electro-optical conversion module 1 is connected to the first CPU module 5 through an RS232 communication port 7, and the signal transmission of the first CPU module 5 is connected to the receiving end of the electro-optical conversion module 1 through the RS232 communication port 7.
Preferably, the photoelectric conversion module 4 includes a transmitting end and a receiving end, the transmitting end of the photoelectric conversion module 4 is connected to the second CPU module 6 through an RS232 communication port 7, and the second CPU module 6 is connected to the receiving end of the photoelectric conversion module 4 through an RS232 communication port 7 for signal transmission.
Preferably, the communication module 7 is an RS232 communication port.
A method of remote transmission of signals comprising the steps of:
s1: the electric signal of the electro-optical conversion module 1 is transmitted from a receiving end or a transmitting end, is changed into an electric signal and is transmitted to the first CPU module 5, and the electric signal which is converted into an RS232 format is transmitted out through the RS232 communication port 7;
s2: the electrical signal in the RS232 format in step S1 is transmitted to the first CPU module 5 through the RS232 communication port 7, and the electrical signal passing through the electrical-to-optical conversion module 1 is transmitted to the optical signal enhancer module 2, and the optical signal enhancer module 2 performs power amplification on the electrical signal, and the amplified electrical signal is converted into an optical signal through the optical fiber transmission module 3;
s3: the optical fiber transmission module 3 in the step S2 is converted into an optical signal and then transmitted to the optical signal enhancer module 2, the optical signal enhancer module 2 performs power amplification on the optical signal, and the amplified optical signal is converted into an electrical signal through the photoelectric conversion module 4;
s4: the electrical signal of the photoelectric conversion module 4 is transmitted from a transmitting end or a receiving end, is changed into an electrical signal and is transmitted to the second CPU module 6, and the electrical signal which is converted into an RS232 format is transmitted out through the RS232 communication port 7;
s5: the electrical signal in the RS232 format in step S4 is transmitted to the second CPU module 6 via the RS232 communication port 7.
Example 2:
as shown in fig. 2, a device for remote signal transmission includes an electro-optical conversion module 1, an optical signal enhancer module 2, an optical fiber transmission module 3, and an electro-optical conversion module 4, where the electro-optical conversion module 1 is in signal connection with the optical signal enhancer module 2, the optical signal enhancer module 2 is in signal connection with the optical fiber transmission module 3, the optical fiber transmission module 3 is in signal connection with the optical signal enhancer module 2, and the optical signal enhancer module 2 is in signal connection with the electro-optical conversion module 4.
Preferably, the photoelectric conversion module further comprises a first CPU module 5, a second CPU module 6 and a CAN bus communication port 7, the photoelectric conversion module 1 is connected with the first CPU module 5 through the CAN bus communication port 7, and the photoelectric conversion module 4 is connected with the second CPU module 6 through the CAN bus communication port 7.
Preferably, the electro-optical conversion module 1 includes a transmitting end and a receiving end, the transmitting end of the electro-optical conversion module 1 is connected to the first CPU module 5 through a CAN bus communication port 7, and the first CPU module 5 is connected to the receiving end of the electro-optical conversion module 1 through the CAN bus communication port 7 for signal transmission.
Preferably, the photoelectric conversion module 4 includes a transmitting end and a receiving end, the transmitting end of the photoelectric conversion module 4 is connected to the second CPU module 6 through a CAN bus communication port 7, and the second CPU module 6 is connected to the receiving end of the photoelectric conversion module 4 through the CAN bus communication port 7 for signal transmission.
Preferably, the communication module 7 is a CAN bus communication port.
A method of remote transmission of signals comprising the steps of:
s1: the electric signal of the electro-optical conversion module 1 is transmitted from a receiving end or a transmitting end, is changed into an electric signal and is transmitted to the first CPU module 5, and the electric signal which is converted into a CAN bus format is transmitted out through the CAN bus communication port 7;
s2: transmitting the electrical signal in the CAN bus format in step S1 to the first CPU module 5 through the CAN bus communication port 7, transmitting the electrical signal passing through the electro-optical conversion module 1 to the optical signal enhancer module 2, performing power amplification on the electrical signal by the optical signal enhancer module 2, and converting the amplified electrical signal into an optical signal by the optical fiber transmission module 3;
s3: the optical fiber transmission module 3 in the step S2 is converted into an optical signal and then transmitted to the optical signal enhancer module 2, the optical signal enhancer module 2 performs power amplification on the optical signal, and the amplified optical signal is converted into an electrical signal through the photoelectric conversion module 4;
s4: the electric signal of the photoelectric conversion module 4 is transmitted from a transmitting end or a receiving end, is changed into an electric signal and is transmitted to the second CPU module 6, and the electric signal which is converted into a CAN bus format is transmitted out through the CAN bus communication port 7;
s5: the electrical signal in the CAN bus format in step S4 is transmitted to the second CPU module 6 via the CAN bus communication port 7.
Example 3:
as shown in fig. 3, a device for remote signal transmission includes an electro-optical conversion module 1, an optical signal enhancer module 2, an optical fiber transmission module 3, and an electro-optical conversion module 4, where the electro-optical conversion module 1 is in signal connection with the optical signal enhancer module 2, the optical signal enhancer module 2 is in signal connection with the optical fiber transmission module 3, the optical fiber transmission module 3 is in signal connection with the optical signal enhancer module 2, and the optical signal enhancer module 2 is in signal connection with the electro-optical conversion module 4.
Preferably, the photoelectric conversion module further comprises a first CPU module 5, a second CPU module 6 and an RS485 communication port 7, the photoelectric conversion module 1 is connected with the first CPU module 5 through the RS485 communication port 7, and the photoelectric conversion module 4 is connected with the second CPU module 6 through the RS485 communication port 7.
Preferably, the electro-optical conversion module 1 includes a transmitting end and a receiving end, the transmitting end of the electro-optical conversion module 1 is connected to the first CPU module 5 through the RS485 communication port 7, and the first CPU module 5 is connected to the receiving end of the electro-optical conversion module 1 through the RS485 communication port 7 for signal transmission.
Preferably, the photoelectric conversion module 4 includes a transmitting end and a receiving end, the transmitting end of the photoelectric conversion module 4 is connected to the second CPU module 6 through the RS485 communication port 7, and the second CPU module 6 is connected to the receiving end of the photoelectric conversion module 4 through the RS485 communication port 7 for signal transmission.
Preferably, the communication module 7 is an RS485 communication port.
A method of remote transmission of signals comprising the steps of:
s1: the electric signal of the electro-optical conversion module 1 is transmitted from a receiving end or a transmitting end, is changed into an electric signal and is transmitted to the first CPU module, and the electric signal is converted into an RS485 format and is transmitted out through the RS485 communication port 7;
s2: the electrical signal in the RS485 format in step S1 is transmitted to the first CPU module 5 through the RS485 communication port 7, and the electrical signal passing through the electro-optical conversion module 1 is transmitted to the optical signal enhancer module 2, the optical signal enhancer module 2 performs power amplification on the electrical signal, and the amplified electrical signal is converted into an optical signal through the optical fiber transmission module 3;
s3: the optical fiber transmission module 3 in the step S2 is converted into an optical signal and then transmitted to the optical signal enhancer module 2, the optical signal enhancer module 2 performs power amplification on the optical signal, and the amplified optical signal is converted into an electrical signal through the photoelectric conversion module 4;
s4: the electric signal of the photoelectric conversion module 4 is transmitted from the transmitting end or the receiving end, is changed into an electric signal and is transmitted to the second CPU module, and the electric signal is converted into an RS485 format and is transmitted out through the RS485 communication port 7;
s5: the electrical signal in the RS485 format in step S4 is transmitted to the second CPU module 6 through the RS485 communication port 7.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (6)
1. A device for remote transmission of signals, comprising: the photoelectric conversion module is in signal connection with the optical signal intensifier module, the optical signal intensifier module is in signal connection with the optical fiber transmission module, the optical fiber transmission module is in signal connection with the optical signal intensifier module, and the optical signal intensifier module is in signal connection with the photoelectric conversion module.
2. The apparatus for remote transmission of signals according to claim 1, wherein: the photoelectric conversion module is connected with the first CPU module through the communication module, and the photoelectric conversion module is connected with the second CPU module through the communication module.
3. The apparatus for remote transmission of signals according to claim 1, wherein: the electro-optical conversion module comprises a sending end and a receiving end, the sending end of the electro-optical conversion module is connected with the first CPU module through a communication module, and the signal transmission of the first CPU module is connected with the receiving end of the electro-optical conversion module through the communication module.
4. The apparatus for remote transmission of signals according to claim 1, wherein: the photoelectric conversion module comprises a sending end and a receiving end, the sending end of the photoelectric conversion module is connected with the second CPU module through the communication module, and the signal transmission of the second CPU module is connected with the receiving end of the photoelectric conversion module through the communication module.
5. The apparatus for remote transmission of signals according to claim 2, wherein: the communication module is an RS232 communication port or a CAN bus communication port or an RS485 communication port.
6. A method for remote transmission of signals, comprising the steps of:
s1: the electric signal of the electro-optical conversion module is transmitted from a receiving end or a transmitting end, is changed into an electric signal and is transmitted to the first CPU module, and the electric signal converted into the format of the communication module is transmitted out through the communication module;
s2: transmitting the electrical signal in the communication module format in the step S1 to the first CPU module through the communication module, transmitting the electrical signal passing through the electrical-to-optical conversion module to the optical signal enhancer module, performing power amplification on the electrical signal by the optical signal enhancer module, and converting the amplified electrical signal into an optical signal through the optical fiber transmission module;
s3: the optical fiber transmission module in the step S2 is converted into an optical signal and then transmitted to the optical signal enhancer module, the optical signal enhancer module performs power amplification on the optical signal, and the amplified optical signal is converted into an electrical signal through the photoelectric conversion module;
s4: the electric signal of the photoelectric conversion module is transmitted from the transmitting end or the transmitting end, is changed into an electric signal and is transmitted to the second CPU module, and the electric signal converted into the format of the communication module is transmitted out through the communication module;
s5: the electrical signal in the communication module format in step S4 is transmitted to the second CPU module via the communication module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025802.3A CN111245515A (en) | 2020-01-10 | 2020-01-10 | Device and method for signal long-distance transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010025802.3A CN111245515A (en) | 2020-01-10 | 2020-01-10 | Device and method for signal long-distance transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000220A1 (en) * | 2021-07-21 | 2023-01-26 | 深圳市大疆创新科技有限公司 | Distributed architecture of movable platform and movable platform |
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|---|---|---|---|---|
| CN1330463A (en) * | 2000-06-30 | 2002-01-09 | 朗迅科技公司 | Bidirectional optical transmission using double-channel wave band |
| CN202565275U (en) * | 2012-05-11 | 2012-11-28 | 吴琦 | Photoelectric converter having plastic optical fiber port and RS 232 communication port |
| CN202565276U (en) * | 2012-05-11 | 2012-11-28 | 吴琦 | Photoelectric converter of plastic optical fibers and RS485 communication port |
| CN211209709U (en) * | 2020-01-10 | 2020-08-07 | 深圳市新威尔电子有限公司 | Device for remote transmission of signals |
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2020
- 2020-01-10 CN CN202010025802.3A patent/CN111245515A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330463A (en) * | 2000-06-30 | 2002-01-09 | 朗迅科技公司 | Bidirectional optical transmission using double-channel wave band |
| CN202565275U (en) * | 2012-05-11 | 2012-11-28 | 吴琦 | Photoelectric converter having plastic optical fiber port and RS 232 communication port |
| CN202565276U (en) * | 2012-05-11 | 2012-11-28 | 吴琦 | Photoelectric converter of plastic optical fibers and RS485 communication port |
| CN211209709U (en) * | 2020-01-10 | 2020-08-07 | 深圳市新威尔电子有限公司 | Device for remote transmission of signals |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000220A1 (en) * | 2021-07-21 | 2023-01-26 | 深圳市大疆创新科技有限公司 | Distributed architecture of movable platform and movable platform |
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Application publication date: 20200605 |