CN110943787A - Intelligent optical fiber energy transmission sensing monitoring system and network - Google Patents
Intelligent optical fiber energy transmission sensing monitoring system and network Download PDFInfo
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- CN110943787A CN110943787A CN201911046812.9A CN201911046812A CN110943787A CN 110943787 A CN110943787 A CN 110943787A CN 201911046812 A CN201911046812 A CN 201911046812A CN 110943787 A CN110943787 A CN 110943787A
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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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/807—Optical power feeding, i.e. transmitting power using an optical signal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
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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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
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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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/806—Arrangements for feeding power
- H04B10/808—Electrical power feeding of an optical transmission system
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Abstract
The invention discloses an intelligent optical fiber energy transmission sensing monitoring system and a network, which comprise a display control terminal, a transmitting end central control unit, an optical fiber channel and a receiving end module; high-temperature working thresholds are set for the laser and the photocell respectively, when the temperature exceeds the threshold, the singlechip of the central control unit at the transmitting end closes the laser through the driving circuit, and at the moment, the charger starts to work to provide electric energy for the receiving module; the invention sets the lowest power threshold value for the charger, when the charger power is lower than the power threshold value, the singlechip in the central control unit starts the laser through the driving circuit, and the photoelectric converter works to perform photoelectric conversion. The continuous and reliable operation of the system and the network is ensured by circularly alternating energy supply. And finally, the comprehensive monitoring and displaying of the temperature and the power of the transmitting end and the receiving end, the automatic temperature protection of the transmitting end laser and the receiving end photoelectric converter and the automatic power storage of the receiving end module are realized.
Description
Technical Field
The invention belongs to the technical field of optical fiber energy transmission, and particularly relates to an optical fiber energy transmission sensing monitoring system and a network.
Background
In the existing automatic security monitoring and information management system for flammable and explosive places, the optical fiber energy transmission system and the network realize the power supply of remote devices or equipment by transmitting laser energy through the optical fiber through a proper photoelectric conversion technology, so that the system is very suitable for communication, electric power and industrial sensing control occasions needing electromagnetic interference shielding and is also suitable for aviation, aerospace and military occasions where power lines are difficult to lay.
The optical fiber power transmission has the problems of power and price of a semiconductor laser, conversion efficiency of a photovoltaic cell, optical fiber transmission loss, safety control of a system and the like, so that an optical fiber energy supply technology cannot be applied in a large scale in practical engineering. In chinese patent CN 104009451a, an optical fiber energy transmission system interlocking protection device and an implementation method thereof, it is proposed that when an optical fiber path is interrupted, a power supply of a laser is automatically cut off to prevent an accident caused by leakage of a high-power laser. In patent CN105933662A, an active infrared monitoring system based on optical fiber energy transmission is proposed to use an optical splitter, and a part of optical energy of a laser is used for photoelectric conversion, and a part of optical energy provides good conditions for video monitoring. The patent CN 101174901a discloses a power supply device for remote switch controller of optical fiber network: when the optical fiber channel is abnormal, the power supply of the application end is switched to ensure the normal work of the system.
However, no published literature exists for collecting and centralizing data in a network form for a sensor, an optical fiber communication system, a safety monitoring system and the like in the optical fiber power transmission process, and comprehensive protection and reliable guarantee for temperature and power threshold values in the laser power transmission process are not achieved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an intelligent optical fiber energy transmission sensing monitoring system and a network, which comprise a display control terminal, a transmitting end central control unit, an optical fiber channel and a receiving end module; the single chip microcomputer of the transmitting end central control unit controls a temperature monitoring module to detect the working temperature of the laser in real time, the single chip microcomputer of the receiving end module controls a sensor to measure environmental temperature data, controls a temperature and power feedback control module to measure temperature data of a photoelectric converter and power data of a charger, and then transmits the measured data to a display control terminal from a serial port of the receiving end single chip microcomputer, a communication optical fiber, the transmitting end single chip microcomputer and a serial port server to be displayed; when the temperature of the laser of the transmitting end central control unit exceeds a set threshold value or the temperature of the photoelectric converter of the receiving end module exceeds a set threshold value, the transmitting end central control unit turns off the laser, and simultaneously, the receiving end module turns off the photoelectric converter and the charger starts to work; when the receiving end module detects that the power of the charger is lower than the set minimum power threshold value, the receiving end module informs the receiving end single chip microcomputer to send a serial port data packet to the transmitting end single chip microcomputer through the serial port and the communication optical fiber, the transmitting end single chip microcomputer controls the laser to be started to work after receiving the serial port data packet, and meanwhile the single chip microcomputer of the receiving end module controls the photoelectric converter and the charger to start to work for charging. Through the measures, the technical aims of comprehensively monitoring and displaying the temperature and the power of the transmitting end and the receiving end, automatically protecting the temperature of the transmitting end laser and the receiving end photoelectric converter and automatically storing electricity of the receiving end module are achieved, visualization of data of optical fiber laser power transmission is achieved, and application safety and reliability are improved.
Therefore, the invention provides an intelligent optical fiber energy transmission sensing monitoring system and a network, which comprise a display control terminal, a transmitting end central control unit, an optical fiber channel and a receiving end module,
the display control terminal is an upper computer or a mobile phone terminal;
a central control unit at the transmitting end is provided,
a serial server is arranged in the mobile phone, is connected with an upper computer or a mobile phone terminal through a network port or a wireless interface and is respectively connected with a transmitting end singlechip through a serial port;
the laser temperature monitoring device is provided with a temperature monitoring module for acquiring the working temperature of the laser;
the transmitting end single chip microcomputer is respectively connected with the temperature monitoring module and the laser driver of the laser through data lines and is connected with the optical fiber transceiving module through a serial port;
the optical fiber channel is connected with the optical fiber channel,
the energy transmission optical fiber is connected with the laser and the photoelectric converter;
the optical fiber transceiver module is provided with a communication optical fiber which connects the optical fiber transceiver module and the optical fiber transceiver;
a receiving-end module for receiving the data from the data processing module,
the system comprises a temperature and power feedback control module, a photoelectric converter, a charger, an optical fiber transceiver, a receiving end single chip microcomputer, a sensor and an illumination LED;
the temperature and power feedback control module, the photoelectric converter and the charger are respectively connected with each other through cables;
the temperature and power feedback control module, the photoelectric converter, the charger, the sensor and the illumination LED are respectively connected with the receiving end singlechip through data lines;
and the optical fiber transceiver is respectively connected with the receiving end singlechip through a serial port.
To the comprehensive control of transmitting terminal laser instrument temperature, receiving terminal ambient temperature, photoelectric converter operating temperature and charger power, wherein:
the transmitting end single chip microcomputer of the transmitting end central control unit controls the temperature monitoring module to detect the working temperature of the laser in real time through the data line, then transmits the working temperature to the serial server through the serial port, and then transmits the working temperature to the display control terminal for displaying;
the receiving end single chip microcomputer of the receiving end module measures environment temperature data through a data line control sensor, controls the temperature and power feedback control module to measure temperature data of the photoelectric converter and power data of the charger, and then transmits the measured data to the display control terminal for display through the optical fiber transceiver, the communication optical fiber, the optical fiber transceiver module, the single chip microcomputer and the serial server from the serial port of the receiving end single chip microcomputer in sequence.
Further, the temperature protection function of the laser of the transmitting end central control unit and the photoelectric converter of the receiving end module and the setting of a high-temperature working threshold value are realized;
when the temperature monitoring module of the transmitting end central control unit detects that the temperature of the laser exceeds the set threshold value, or the temperature of the receiving end module and the temperature of the power feedback control module detect that the temperature of the photoelectric converter exceeds the set threshold value,
the emitting end single chip controls the laser to drive and close the laser,
meanwhile, the receiving end single chip microcomputer controls the photoelectric converter to be turned off and controls the charger to start working, so that electric energy is provided for the lighting LED.
Further, the automatic power storage function of the receiving end module and the lowest power threshold value set for the charger realize that the laser of the transmitting end is automatically informed to start working after the temperature of the receiving end and the power feedback control module detect that the charger power is insufficient, and the photoelectric converter and the charger of the receiving end are started to start working and charge simultaneously, wherein the specific working process is as follows:
when the temperature and power feedback control module of the receiving end module detects that the power of the charger is lower than the set minimum power threshold value, the receiving end single chip microcomputer is informed, and a serial port data packet is sent to the optical fiber transceiver, the communication optical fiber and the optical fiber transceiver module through a serial port of the receiving end single chip microcomputer and is sent to a transmitting end single chip microcomputer of a transmitting end central control unit;
and after the transmitting end singlechip of the transmitting end central control unit receives the serial port data packet, the transmitting end singlechip controls the laser to drive the laser to start working, and meanwhile, the receiving end singlechip controls the photoelectric converter and the charger to start working.
Furthermore, the serial server is provided with at least one network port or wireless interface and at least one serial port.
Furthermore, the optical fiber transceiver module and the optical fiber transceiver both have at least one optical port and at least one serial port, and communication signals of the serial ports conform to standard RS level definition.
Further, the data communication between the display control terminal and the serial server adopts a TCP protocol;
when each transmitting end single chip microcomputer in the transmitting end central control unit is in serial data communication with the serial server, the serial data packets are mapped into TCP data packets transmitted between the serial server and the display control terminal, and the TCP data packets of the transmitting end single chip microcomputer and the display control terminal have the same IP address information and different equipment node address information.
The invention has the following technical effects:
firstly, by adding a series of sensors and measuring devices, networking of a serial server at a transmitting end is added, and monitoring data are displayed in real time through a display control terminal, so that the temperature of a laser at the transmitting end, the ambient temperature at a receiving end and the temperature and power of a photoelectric converter/charger are comprehensively monitored, strong fiber channel expandability is realized, the possibility is provided for network form data acquisition and centralized display, the monitoring and data visualization of fiber laser power transmission is achieved, and all potential safety hazards in the power transmission process are facilitated to be mastered;
secondly, the invention realizes the temperature protection function of the laser and the photoelectric converter, when the temperature of the laser at the transmitting end is overhigh or the temperature of the photoelectric converter at the receiving end is overhigh, the laser and the photoelectric converter can be automatically cut off to work, and the power supply is automatically converted into the power supply of a charger (namely an uninterrupted power supply), and the provided short-time continuous power supply provides safety guarantee for emergency power utilization in key occasions;
thirdly, the invention also provides a remote automatic power storage function of the charger at the receiving end, when the temperature and power feedback control module at the receiving end detects that the power of the charger is insufficient, the laser at the transmitting end is automatically informed to start working, and simultaneously, the photoelectric converter and the charger at the receiving end are started to start working and charge, thereby achieving the automatic power storage function of preventing the charger at the receiving end from being excessively insufficient for a long time to influence the service life, and needing no manual assistance, and greatly facilitating the remote and automatic power management of the receiving end in emergency and dangerous occasions.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent optical fiber energy transmission sensing monitoring system and a network;
fig. 2 is a schematic diagram of an overall structure of an intelligent optical fiber energy transmission sensing monitoring system and a network.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples, which are only for the purpose of explaining the present invention and do not limit the scope of the present invention.
The invention discloses an intelligent optical fiber energy transmission sensing monitoring system and a network, which have the composition structures shown in figures 1 and 2 and comprise a display control terminal 1, a transmitting end central control unit 2, an optical fiber channel 3 and a receiving end module 4, wherein:
the display control terminal 1 is an upper computer or a mobile phone terminal 5 and is used for intensively displaying laser temperature data in a transmitting end central control unit, temperature data of photoelectric converters (29, 36 and 43) and chargers (30, 37 and 44) in a receiving end module 4 and power data of the chargers (30, 37 and 44).
The transmitting end central control unit 2 comprises a serial server 6, temperature monitoring modules (10, 15, 20), transmitting end single-chip microcomputers (7, 12, 17), laser drivers (8, 13, 18), lasers (9, 14, 19) and optical fiber transceiving modules (11, 16, 21). Wherein: the serial server 6 is used for collecting serial data of the transmitting end single- chip microcomputers 7, 12 and 17 in the transmitting end central control unit 2 so as to be conveniently and intensively sent to the display control terminal 1; the temperature monitoring modules 10, 15 and 20 are used for detecting the working temperatures of the lasers 9, 14 and 19 in real time and transmitting the working temperatures to the emitting end single- chip microcomputers 7, 12 and 17 through data lines; the laser drivers 8, 13 and 18 are used for controlling the operation start and stop of the lasers 9, 14 and 19.
Wherein: the serial server 6 has at least one network port or wireless interface and at least 3 serial ports.
The fibre channel 3 comprises energy transmitting fibres 22, 24, 26 and communication fibres 23, 25, 27.
The receiving end module 4 comprises temperature and power feedback control modules (34, 41, 48), photoelectric converters (29, 36, 43), chargers (30, 37, 44), optical fiber transceivers (31, 38, 45), receiving end single-chip microcomputers (32, 39, 46), sensors (33, 40, 47) and illumination LEDs (34, 41, 48). Wherein: the temperature and power feedback control modules 34, 41 and 48 are used for detecting the working temperatures of the photoelectric converters 29, 36 and 43 and the powers of the chargers 30, 37 and 44 in real time and transmitting the working temperatures and the powers to the receiving end single- chip microcomputers 32, 39 and 46 through data lines; the chargers 30, 37 and 44 are storage battery packs and are used for providing uninterrupted power supply for a certain time length for terminal electrical appliances; the sensors 33, 40 and 47 are used for acquiring the temperature and the humidity of the environment of the receiving end in real time and transmitting the temperature and the humidity to the single- chip microcomputers 32, 39 and 46 of the receiving end through data lines; the illumination LEDs 34, 41, 48 are used to provide low intensity emergency illumination for the receiving end.
Only 3 fiber power transmission channels are shown in the present invention, but the present invention is also applicable to more fiber power transmission channels. In this case, it is only necessary to add more pairs of energy transmitting optical fibers and communication optical fibers, and increase the number of serial ports of the serial server 6, or stack more serial servers 6. When there is more than one serial server, the network ports or wireless interfaces of the serial servers need to perform local area network IP networking with the display control terminal 1. In detail:
a serial server 6 in the transmitting terminal central control unit 2 is connected with an upper computer or a mobile phone terminal 5 through a network port or a wireless interface;
a serial server 6 in the transmitting end central control unit 2 is respectively connected with transmitting end single- chip microcomputers 7, 12 and 17 through serial ports; the emitting end single- chip microcomputers 7, 12 and 17 are respectively connected with the temperature monitoring modules 10, 15 and 20 and the laser drivers 8, 13 and 18 through data lines, and are connected with the optical fiber transceiving modules 11, 16 and 21 through serial ports;
the energy transmission optical fibers 22, 24 and 26 are connected with the lasers 9, 14 and 19 and the photoelectric converters 29, 36 and 43, and the communication optical fibers 23, 25 and 27 are connected with the optical fiber transceiver modules 11, 16 and 21 and the optical fiber transceivers 31, 38 and 45;
wherein: the optical fiber transceiver modules 11, 16, 21 and the optical fiber transceivers 31, 38, 45 each have at least one optical port and at least one serial port, and communication signals of the serial ports conform to the standard RS232 level definition. The serial port data communication between the transmitting end single- chip microcomputers 7, 12 and 17 and the optical fiber transceiving modules 11, 16 and 21 in the transmitting end central control unit 2 uses common baud rate.
The temperature and power feedback control modules (34, 41, 48), the photoelectric converters (29, 36, 43) and the chargers (30, 37, 44) in the receiving end module 4 are connected with each other pairwise through cables, namely, the modules 28 and 29, the modules 29 and 30, and the modules 30 and 28 are connected with each other in 3 groups through cables. Temperature and power feedback control modules (34, 41, 48), photoelectric converters (29, 36, 43), chargers (30, 37, 44), sensors (33, 40, 47) and illumination LEDs (34, 41, 48) are respectively connected with receiving end single-chip microcomputers (32, 39, 46) through data lines, and optical fiber transceivers 31, 38, 45 are respectively connected with the receiving end single- chip microcomputers 32, 39, 46 through serial ports; the receiving- end singlechips 32, 39 and 46 control the work start and stop of the photoelectric converters (29, 36 and 43) and the chargers 30, 37 and 44 through data lines.
Example 1
An intelligent optical fiber energy transmission sensing monitoring system and a network have a temperature monitoring function, and refer to fig. 1.
The emitting end single chip microcomputer 7, 12 and 17 of the emitting end central control unit 2 controls the temperature monitoring modules 10, 15 and 20 to detect the working temperature data of the lasers 9, 14 and 19 in real time through the data lines, then the working temperature data are sent to the serial server 6 through the serial port of the emitting end single chip microcomputer, and then the working temperature data are sent to the display control terminal 1 through the serial port server 6 to be displayed.
The receiving end single- chip microcomputer 32, 39, 46 measures the receiving end environment temperature data through the data line control sensors 33, 40, 47, controls the temperature and power feedback control modules 34, 41, 48 to measure the temperature data of the photoelectric converters 29, 36, 43 and the power data of the chargers 30, 37, 44, and then transmits the three measured data from the serial ports of the receiving end single- chip microcomputer 32, 39, 46 to the display control terminal 1 for display through the optical fiber transceivers (31, 38, 45), the communication optical fibers (23, 25, 27), the optical fiber transceiver modules (11, 16, 21), the single-chip microcomputers (7, 12, 17) and the serial port server 6 in sequence. Wherein: when the transmitting end single- chip microcomputer 7, 12, 17 of the transmitting end central control unit 2 receives the three measurement data from the receiving end module 4, the measurement data are subjected to necessary analysis and packaging, and the serial port data packet to be externally transmitted to the serial port server 6 is added with equipment ID information, namely, the equipment node address distributed by the transmitting end single-chip microcomputer.
The invention increases the networking of the serial server at the transmitting end by adding a series of sensors, temperature and power measuring devices and displays the monitored data in real time through the display control terminal, thereby realizing the comprehensive monitoring of the laser temperature at the transmitting end, the environment temperature at the receiving end, the working temperature of the photoelectric converter and the charger power, having strong fiber channel expandability, providing the possibility for the data acquisition and centralized presentation in a networking form, achieving the monitoring and data visualization of the environment of fiber laser power transmission and being convenient for pointing to all potential safety hazards in the power transmission process.
Example 2
As can also be seen from fig. 1, an intelligent optical fiber energy transmission sensing monitoring system and network has the functions of protecting the temperature of the lasers (9, 14, 19) of the transmitting end central control unit 2 and the photoelectric converters (29, 36, 43) of the receiving end module 4, and setting the high-temperature working threshold.
When the temperature monitoring modules (10, 15, 20) of the transmitting end central control unit 2 detect that the temperature of the lasers (9, 14, 19) exceeds the set threshold value, or the temperature of the receiving end modules 4 and the temperature of the power feedback control modules 34, 41, 48 detect that the temperatures of the photoelectric converters 29, 36, 43 exceed the set threshold value, the transmitting end single chip computers 7, 12, 17 of the transmitting end central control unit 2 control the laser drivers 8, 13, 18 to turn off the lasers 9, 14, 19, and simultaneously the receiving end single chip computers 32, 39, 46 control the photoelectric converters 29, 36, 43 to be turned off and control the chargers 30, 37, 44 to start working, so as to provide the electric energy for the illumination LEDs 34, 41, 48.
More specifically:
a when the temperature monitoring modules 10, 15, 20 of the transmitting end central control unit 2 detect that the temperatures of the lasers 9, 14, 19 exceed the set threshold values, the transmitting end single- chip microcomputer 7, 12, 17 of the transmitting end central control unit 2 controls the laser drivers 8, 13, 18 to turn off the lasers 9, 14, 19. At this time, the temperature and power feedback control modules 34, 41, 48 of the receiving-end module 4 can immediately detect that the photoelectric converters 29, 36, 43 lose power supply, so as to trigger the receiving-end single- chip microcomputer 32, 39, 46 of the receiving-end module 4 to automatically turn off the photoelectric converters 29, 36, 43 and control the chargers 30, 37, 44 to start working, so as to provide power for the illumination LEDs 34, 41, 48;
b, when the temperature and power feedback control modules 34, 41, 48 of the receiving end module 4 detect that the temperatures of the photoelectric converters 29, 36, 43 exceed the set threshold values, the receiving end single- chip microcomputer 32, 39, 46 of the receiving end module 4 sequentially transmits specific serial port data packets to the transmitting end single- chip microcomputers 7, 12, 17 of the transmitting end central control unit 2 through the optical fiber transceivers (31, 38, 45), the communication optical fibers (23, 25, 27) and the optical fiber transceiver modules 11, 16, 21 via serial ports; after receiving the serial port data packet, the transmitting end single- chip microcomputer 7, 12, 17 of the transmitting end central control unit 2 immediately controls the corresponding laser drivers 8, 13, 18 to turn off the specific lasers 9, 14, 19. The serial port data packet also contains equipment ID information, namely an equipment node address distributed by the specific single chip microcomputer of the transmitting terminal.
The invention realizes the temperature protection function of the expensive laser and the photoelectric converter, when the temperature of the laser at the transmitting end is overhigh or the temperature of the photoelectric converter at the receiving end is overhigh, the laser and the photoelectric converter can be automatically cut off to work, and the laser and the photoelectric converter are automatically converted into a charger, namely, the uninterrupted power supply for supplying power, and the short-time continuous power supply provided provides safety guarantee for emergency power utilization in key occasions.
The invention sets high temperature working threshold values for the laser and the photocell respectively, when the temperature exceeds the threshold values, the singlechip of the central control unit at the transmitting end closes the laser through the driving circuit, and the charger starts to work at the moment and provides electric energy for the receiving module; the invention sets the lowest power threshold value for the charger, when the charger power is lower than the power threshold value, the singlechip in the central control unit starts the laser through the driving circuit, and the photoelectric converter works to perform photoelectric conversion. The continuous and reliable operation of the system and the network is ensured by circularly alternating energy supply.
Example 3
An intelligent optical fiber energy transmission sensing monitoring system and a network have the automatic power storage function of a receiving end module 4 and the function of setting the minimum power threshold value for chargers 30, 37 and 44.
When the temperature and power feedback control modules 34, 41, 48 of the receiving end module 4 detect that the power of the chargers 30, 37, 44 is lower than the set minimum power threshold, the receiving end single chip microcomputer 32, 39, 46 is notified, and a specific serial port data packet is sent to the optical fiber transceivers (31, 38, 45), the communication optical fibers (23, 25, 27) and the optical fiber transceiver modules 11, 16, 21 via the serial ports of the receiving end single chip microcomputer to the transmitting end single chip microcomputers 7, 12, 17 of the transmitting end central control unit 2; after receiving the serial port data packet, the transmitting end single- chip microcomputers 7, 12 and 17 of the transmitting end central control unit 2 control the laser drivers 8, 13 and 18 to start the lasers 9, 14 and 19 to work, and simultaneously the receiving end single-chip microcomputers (32, 39 and 46) control the photoelectric converters (29, 36 and 43) and the chargers (30, 37 and 44) to start working. The serial port data packet also contains equipment ID information, namely an equipment node address distributed by the specific single chip microcomputer of the transmitting terminal.
The remote automatic power storage function of the charger at the receiving end automatically informs the laser at the transmitting end to start working after the temperature and power feedback control module at the receiving end detects that the power of the charger is insufficient, and simultaneously starts the photoelectric converter and the charger at the receiving end to start working and charge. Therefore, the purpose that the service life of the receiving end charger is not influenced by excessive power shortage for a long time is achieved, the automatic power storage function of manual assistance is not needed, and the remote and automatic power management of the receiving end in emergency and dangerous occasions is greatly facilitated.
Example 4
The data communication between the display control terminal 1 and the serial server 6 adopts a TCP protocol; when each transmitting end single chip microcomputer (the transmitting end single chip microcomputer 7, the transmitting end single chip microcomputer 12 and the transmitting end single chip microcomputer 17 shown in fig. 1) in the transmitting end central control unit 2 performs serial data communication with the serial server 6, serial data packets are mapped into TCP data packets transmitted between the serial server 6 and the display control terminal 1, and the TCP data packets of the three have the same IP address information and different device node address information.
Each single chip computer is pre-assigned with a device node address and is pre-stored in a program or a nonvolatile memory in the single chip computer. The serial port data packet format of communication between the transmitting end single chip microcomputer 7, 12 and 17 and the serial port server 6 is as follows:
frame header + equipment ID + data + frame tail
The frame head and the frame tail are fixed bytes, the equipment ID is the equipment node address distributed by the single chip microcomputer, and the data part comprises temperature data, power data and the like.
The format of the TCP packet mapped to be transmitted between the serial server 6 and the display control terminal 1 is defined in the same manner as the above-mentioned serial packet format.
The connection mode and the communication mode of the serial server can ensure strong fiber channel expandability of the intelligent optical fiber energy transmission sensing monitoring system and a network, and provide possibility for data acquisition and centralized presentation in a networked form.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (7)
1. An intelligent optical fiber energy transmission sensing monitoring system and a network, which comprises a display control terminal (1), a transmitting end central control unit (2), an optical fiber channel (3) and a receiving end module (4),
the display control terminal (1) is an upper computer or a mobile phone terminal (5);
the transmitting end central control unit (2),
a serial server (6) is arranged in the device, is connected with an upper computer or a mobile phone terminal (5) through a network port or a wireless interface and is respectively connected with a transmitting end single chip microcomputer (7, 12 and 17) through a serial port;
the device comprises a temperature monitoring module (10, 15, 20) for acquiring the working temperature of the laser (9, 14, 19);
the emitting end single-chip microcomputer (7, 12 and 17) is respectively connected with the temperature monitoring modules (10, 15 and 20) and the laser drivers (8, 13 and 18) of the lasers (9, 14 and 19) through data lines, and is connected with the optical fiber transceiving modules (11, 16 and 21) through serial ports;
the optical fiber channel (3),
the device comprises energy transmission optical fibers (22, 24, 26), connecting lasers (9, 14, 19) and photoelectric converters (29, 36, 43);
the optical fiber transceiver module comprises communication optical fibers (23, 25, 27) and is connected with optical fiber transceiver modules (11, 16, 21) and optical fiber transceivers (31, 38, 45);
the receiving end module (4),
the system comprises temperature and power feedback control modules (34, 41 and 48), photoelectric converters (29, 36 and 43), chargers (30, 37 and 44), optical fiber transceivers (31, 38 and 45), receiving end single-chip microcomputers (32, 39 and 46), sensors (33, 40 and 47) and illumination LEDs (34, 41 and 48);
wherein the temperature and power feedback control modules (34, 41, 48), the photoelectric converters (29, 36, 43) and the chargers (30, 37, 44) are respectively connected with each other through cables;
the temperature and power feedback control modules (34, 41 and 48), the photoelectric converters (29, 36 and 43), the chargers (30, 37 and 44), the sensors (33, 40 and 47) and the illumination LEDs (34, 41 and 48) are respectively connected with the receiving end single chip microcomputer (32, 39 and 46) through data lines;
and the optical fiber transceivers (31, 38, 45) are respectively connected with the receiving end single chip microcomputer (32, 39, 46) through serial ports.
2. The system and network of claim 1, wherein the system and network are configured to monitor the laser temperature at the emitting end, the ambient temperature at the receiving end, the operating temperature of the optical-to-electrical converter, and the power of the charger, and wherein:
a transmitting end single chip microcomputer (7, 12, 17) of a transmitting end central control unit (2) controls a temperature monitoring module (10, 15, 20) to detect the working temperature of the lasers (9, 14, 19) in real time through a data line, then transmits the working temperature to a serial server (6) through a serial port, and then transmits the working temperature to a display control terminal (1) for displaying;
a receiving end single chip microcomputer (32, 39, 46) of a receiving end module (4) measures environment temperature data through a data line control sensor (33, 40, 47), controls a temperature and power feedback control module (34, 41, 48) to measure temperature data of a photoelectric converter (29, 36, 43) and power data of a charger (30, 37, 44), and then transmits the measured data from a serial port of the receiving end single chip microcomputer (32, 39, 46) to a display control terminal (1) for display through an optical fiber transceiver (31, 38, 45), a communication optical fiber (23, 25, 27), an optical fiber transceiver module (11, 16, 21), a single chip microcomputer (7, 12, 17) and a serial port server (6) in sequence.
3. An intelligent optical fiber energy transmission sensing monitoring system and network according to claim 1, characterized in that the temperature protection function of the lasers (9, 14, 19) of the transmitting end central control unit (2) and the photoelectric converters (29, 36, 43) of the receiving end module (4) and the setting of the high temperature working threshold are performed;
when the temperature monitoring modules (10, 15, 20) of the transmitting end central control unit (2) detect that the temperature of the lasers (9, 14, 19) exceeds the set threshold value, or the temperature of the receiving end module (4) and the power feedback control modules (34, 41, 48) detect that the temperature of the photoelectric converters (29, 36, 43) exceeds the set threshold value,
the emitting end single chip microcomputer (7, 12, 17) controls the laser drive (8, 13, 18) to close the lasers (9, 14, 19),
meanwhile, the receiving end single chip microcomputer (32, 39, 46) controls the photoelectric converters (29, 36, 43) to be turned off and controls the chargers (30, 37, 44) to start working, so that power is supplied to the lighting LEDs (34, 41, 48).
4. An intelligent optical fiber energy transmission sensing monitoring system and network according to any one of claims 1-3, characterized in that, the automatic power storage function of the receiving end module (4) and the setting of the lowest power threshold value for the charger (30, 37, 44) are implemented to realize the remote automatic power storage function, when the temperature and power feedback control module of the receiving end detects the insufficient power of the charger, automatically notify the laser of the transmitting end to start working, and simultaneously start the photoelectric converter and the charger of the receiving end to start working and charge, and the specific working process is as follows:
when the temperature and power feedback control modules (34, 41, 48) of the receiving end module (4) detect that the power of the chargers (30, 37, 44) is lower than the set minimum power threshold, the receiving end single chip microcomputer (32, 39, 46) is informed, and serial port data packets are sent to the transmitting end single chip microcomputers (7, 12, 17) of the transmitting end central control unit (2) through serial ports of the receiving end single chip microcomputer to the optical fiber transceivers (31, 38, 45), the communication optical fibers (23, 25, 27) and the optical fiber transceiver modules (11, 16, 21);
after receiving the serial port data packet, a transmitting end single chip microcomputer (7, 12, 17) of a transmitting end central control unit (2) controls a laser driver (8, 13, 18) to start a laser (9, 14, 19) to work, and meanwhile, a receiving end single chip microcomputer (32, 39, 46) controls a photoelectric converter (29, 36, 43) and a charger (30, 37, 44) to start working.
5. An intelligent optical fiber energy-transmission sensing monitoring system and network according to claim 4, characterized in that the serial server (6) has at least one network port or wireless interface, and has at least 3 serial ports.
6. An intelligent optical fiber energy transmission sensing monitoring system and network according to claim 4, characterized in that, the optical fiber transceiver modules (11, 16, 21) and the optical fiber transceivers (31, 38, 45) are respectively provided with at least one optical port and at least one serial port, and the communication signals of the serial ports conform to standard RS232 level definition.
7. An intelligent optical fiber energy transmission sensing monitoring system and a network according to claim 4, characterized in that the data communication between the display control terminal (1) and the serial server (6) adopts TCP protocol;
when each transmitting end single chip microcomputer (7, 12 and 17) in the transmitting end central control unit (2) is in serial data communication with the serial server (6) respectively, serial data packets are mapped into TCP data packets transmitted between the serial server (6) and the display control terminal (1), and the TCP data packets of the three have the same IP address information and different equipment node address information.
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