CN108900141A - A kind of laser power supply communication equipment and its communication means and method of supplying power to - Google Patents
A kind of laser power supply communication equipment and its communication means and method of supplying power to Download PDFInfo
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- CN108900141A CN108900141A CN201811094723.7A CN201811094723A CN108900141A CN 108900141 A CN108900141 A CN 108900141A CN 201811094723 A CN201811094723 A CN 201811094723A CN 108900141 A CN108900141 A CN 108900141A
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- 238000004891 communication Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 71
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims description 168
- 230000005611 electricity Effects 0.000 claims description 54
- 230000009977 dual effect Effects 0.000 claims description 47
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 42
- 229910052744 lithium Inorganic materials 0.000 claims description 42
- 230000005622 photoelectricity Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of laser power supply communication equipment and its communication means and method of supplying power to, the laser power supply communication equipment includes the laser and fiber optic communication low potential module for being mounted on low potential node, and is mounted on the energy management unit and fiber optic communication high potential module of high potential node；Laser is connected with fiber optic communication low potential module, energy management unit is connected with fiber optic communication high potential module, laser is connected with energy management unit by large core fiber, and fiber optic communication low potential module is connected with fiber optic communication high potential module by telecommunication optical fiber.The present invention can effectively power for high potential monitoring node, reduce the power consumption of high potential node itself, and increase can be used for exporting to the electric energy of peripheral apparatus, so that laser is maintained low-power consumption output state, extend the service life of laser, increase the reliability of energy supply communication equipment.
Description
Technical field
The present invention relates to the laser power supply communications field, in particular to a kind of laser power supply communication equipment and its communication means and
Method of supplying power to.
Background technique
In the environment of the Fast Construction of global energy internet and development, the real-time perception demand of operation of power networks state is not
Disconnected in-depth.The development of Automation of Electric Systems and smart grid so that in power transmission and transforming equipment intelligent electronic device and monitoring biography
Sensor using increasingly extensive.For a variety of physical quantitys of accurate measurements electrical equipment, a large amount of, a plurality of types of sensor sections
Point is by dense distribution in region to be measured.
Electric energy is transmitted using the distant-end node that is transmitted as of laser in a fiber, is that one kind of high potential monitoring node power supply has
Effect approach has equipment light, isolation is good, environmental suitability is strong, long transmission distance, output power, it can be achieved that solenoid isolation
High, electromagnetism interference advantage.Therefore, optical-fiber laser energy supply is that current electric system high potential once holds optimal energization schemes
One of, it is applied in series compensation platform measurement, current transformer and the high voltage isolator status monitoring in power grid.For
The power supply of power grid high potential node provides solution, and basic mode is that laser occurs for the laser drive unit on ground, passes through
Laser energy is transmitted to high voltage platform by large core fiber, then by the light energy converter part and corresponding periphery electricity on high voltage platform
Power converts light energy into electric energy and forms DC power supply.Based on the power supply technique of laser fiber with its electromagnetism interference and high-quality
Transmission characteristic, become hot side amount control device power supply and data exchange transmission medium.
However, existing laser power supply equipment respectively configures a VCSEL laser and photoelectricity between high and low potential nodes
Detection module realizes bidirectional data communication, and the power consumption that the use of laser results in high potential node itself is higher, reduces
It can export to the electric energy of peripheral apparatus, affect energy supply effect.Meanwhile that there is also systems is reliable for existing laser power supply equipment
Property difference problem, power supply module fails frequent occurrence, has seriously affected the reliability and safety of energy supply.
Summary of the invention
Technical problem：The technical problem to be solved by the present invention is to：A kind of laser power supply communication equipment and its communication are provided
Method and method of supplying power to can effectively power for high potential monitoring node, can reduce the power consumption of high potential node itself, increase available
In output to the electric energy of peripheral apparatus, laser can be made to maintain low-power consumption output state, extend the service life of laser, increased and supply
The reliability of energy communication equipment.
Technical solution：In order to solve the above technical problems, the present invention adopts the following technical scheme that：
In a first aspect, the embodiment of the present invention provides a kind of laser power supply communication equipment, which includes：
It is mounted on the laser and fiber optic communication low potential module of low potential node, and is mounted on the energy management list of high potential node
Member and fiber optic communication high potential module；Wherein, the laser is connected with fiber optic communication low potential module, energy management unit
It is connected with fiber optic communication high potential module, laser is connected with energy management unit by large core fiber, the low electricity of fiber optic communication
Position module is connected with fiber optic communication high potential module by telecommunication optical fiber.
As preference, the energy management unit includes GaAs photoelectricity pool unit, first switch, lithium battery charging valve
Manage unit, lithium battery, second switch, Voltage stabilizing module, dual power supply module and single supply power supply module；Wherein, GaAs photoelectricity
The input optical port of pool unit is connect with large core fiber, the electric port of the output of GaAs photoelectricity pool unit respectively with first switch
Input electric port, the first electric port of the first input for inputting electric port and single supply power supply module of dual power supply module connects
Connect, the electric port of the output of first switch is connect with the input port of lithium battery Charge Management unit, lithium battery Charge Management it is defeated
Exit port is connected with the input port of lithium battery, and the output port of lithium battery is connected with the input port of second switch, and second opens
The input port of the output port of pass and Voltage stabilizing module connects, the output port of Voltage stabilizing module respectively with dual power supply module
Second inputs electric port connects with the electric port of the second input of single supply power supply module.
As preference, the GaAs photoelectricity pool unit includes GaAs photocell, the first low thermal resistance matching layer, second low
Thermal resistance matching layer, thermo-electric conversion module, radiating subassembly and energy collection unit；Wherein, the photronic radiating surface of GaAs and thermoelectricity
The hot end of conversion module is connected by the first low thermal resistance matching layer, and the cold end of thermo-electric conversion module is low by second with radiating subassembly
The connection of thermal resistance matching layer；The photronic input optical port of GaAs is connect with large core fiber, the electric port of the photronic output of GaAs
It inputs electric port with the first of energy collection unit connect, the of the output electricity port of thermo-electric conversion module and energy collection unit
Two input electric port connection.
As preference, the fiber optic communication low potential module includes light source, optical circulator, the first optical detector and
One processor, wherein the electric port of the input of light source is connected with the output port of first processor, the output optical port and light of light source
First optical port of circulator connects, and the second optical port of optical circulator and one end of telecommunication optical fiber connect, and the of optical circulator
The connection of the input optical port of three optical ports and the first optical detector, the electric port of the output of the first optical detector and first processor
Input port connection.
As preference, the fiber optic communication high potential module includes coupler, reflection-type adjustable optical attenuator, second
Optical detector and second processor, wherein the first optical port of coupler is connected with the other end of telecommunication optical fiber, the second optical port
It is connected with the two-way optical port of reflection-type adjustable optical attenuator, the input optical port of third optical port and the second optical detector connects
It connects, the electric port of the output of the second optical detector is connected with the input electricity port of second processor, the defeated current output terminal of second processor
Mouth is connect with the input electricity port of reflection-type adjustable optical attenuator.
Second aspect, the embodiment of the present invention provide a kind of communication means based on above-mentioned laser power supply communication equipment, the party
Method includes the following steps：
The information for being sent to high potential node is sent into light source by the first processor that step 10) is located at low potential node
Input electric port, electric signal is switched to input from the first optical port of optical circulator after optical signal by light source, and from the second optical port
Output, optical signal inputs the first optical port of the coupler positioned at high potential node after telecommunication optical fiber, from the third of coupler
Optical port output, optical signal, which is sent into the second optical detector, switchs to electric signal, and is sent into second processor；
After step 20) first processor sends information to second processor, light source output direct current light, direct current light is through communicating
Input is located at the first optical port of the coupler of high potential node after optical fiber, exports from the second optical port of coupler, by anti-
The two-way optical port input reflection type adjustable optical attenuator of emitting adjustable optical attenuator；
It, will be pending after the second processor that step 30) is located at high potential node receives the information of first processor sending
The information for giving low potential node is sent into reflection-type adjustable optical attenuator, and reflection-type adjustable optical attenuator is according to second processor
The electric signal of input is modulated the intensity of direct current light, and the optical signal of information is carried after modulation from reflection-type adjustable optical attenuator
Two-way optical port output, by the second optical port input coupler of coupler, and from the first optical port of coupler export,
Optical signal inputs the second optical port of the optical circulator positioned at low potential node after telecommunication optical fiber, from the third of optical circulator
The first optical detector is sent into optical port output, and optical signal switchs to electric signal in the first optical detector, is sent into first processor
In.
The third aspect, the embodiment of the present invention provide a kind of method of supplying power to based on above-mentioned laser power supply communication equipment, work as institute
Each component for the laser power supply equipment stated it is working properly and be connected in dual power supply module load energy supply demand it is constant when,
Using laser single supply powering mode, specifically：First switch is connected, disconnects second switch, the Qiang Guangjing that laser issues is big
Core optical fibers are sent into GaAs photoelectricity pool unit, and the electric energy of GaAs photoelectricity pool unit output is divided into three parts, and first part is from double
The first of power supply module inputs electric port input, exports from the output electricity port of dual power supply module, for load
Energy supply, second part inputs electric port from the first of single supply power supply module and inputs, from the defeated current output terminal of single supply power supply module
Mouth output, for giving fiber optic communication high potential module to energize, Part III is sent into lithium battery Charge Management unit through first switch
In, for charging to lithium battery.
Fourth aspect, the embodiment of the present invention provide a kind of method of supplying power to based on above-mentioned laser power supply communication equipment, when even
It connects when the operating temperature that the energy supply demand or laser that happen suddenly occurs in the load in dual power supply module is more than threshold value, uses
Dual power supply powered mode, specifically：First switch is disconnected, second switch is connected, the electric energy of GaAs photoelectricity pool unit output is divided into
Two parts, first part input electric port from the first of dual power supply module and input, and second part is from single supply power supply module
First input electric port input, the electric energy of lithium battery output is successively divided into two parts after second switch and Voltage stabilizing module, the
A part inputs electric port from the second of dual power supply module and inputs, and dual power supply module enters dual power supply operating mode,
Two power supplys export electric energy outward simultaneously, for giving load energy supply；Second input electricity of the second part from single supply power supply module
Port input, single supply power supply module compares its electric port of the first input and second and inputs the voltage of electric port, when the first input
When the voltage of electric port is higher than threshold value, electric port acquisition electric energy is inputted from first and is used to energize to fiber optic communication high potential module,
Otherwise electric port is inputted from second obtain electric energy for energizing to fiber optic communication high potential module.
5th aspect, the embodiment of the present invention provide a kind of method of supplying power to based on above-mentioned laser power supply communication equipment, when
When GaAs photoelectricity pool unit is without power output, using battery single supply powering mode, specifically：Disconnect first switch, conducting the
The electric energy of two switches, lithium battery output is successively divided into two parts after second switch and Voltage stabilizing module, and first part is from dual power supply
The second of power supply module inputs electric port input, and for loading functional, second part is defeated from the second of single supply power supply module
Enter electric port input, for energizing to fiber optic communication high potential module.
Beneficial effect：The embodiment of the present invention propose laser power supply communication equipment, using be mounted on low potential node swash
Laser occurs for light device, laser energy is transmitted to by large core fiber the energy management unit for being mounted on high potential node, by
Energy management unit converts light energy into electric energy and forms DC power supply, can be for positioned at the load supplying of high potential node；This hair
The communication means based on above-mentioned laser power supply communication equipment that bright embodiment proposes, in the low electricity of low potential node installation fiber optic communication
Position module, high potential node installation fiber optic communication high potential module are passed through using the tunable attenuator of reflection-type to low potential section
The optical signal that point issues carries out intensity modulated, the information of high potential node is transmitted to low potential node, high potential node is not necessarily to
Light source is set, and the power consumption of fiber optic communication high potential module is smaller than 1 milliwatt, reduces the oneself power consumption of high potential node, will
The electric energy for measuring administrative unit output is as much as possible for peripheral apparatus；The embodiment of the present invention propose based on above-mentioned laser power supply
The method of supplying power to of communication equipment energizes strategy using dual power supply, when external load energizes demand low ebb, GaAs photoelectricity pool unit
For the electric energy a part exported to dual power supply module and single supply power supply module, some charges to lithium battery,
It is stored by lithium battery, when the energy supply demand to happen suddenly occurs in external load, lithium battery also exports electric energy and gives dual power supply module
With single supply power supply module, without the output power of raising laser, laser can be stably maintained at low-power output shape
State improves the reliability of powering device to extend the service life of laser.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the laser power supply communication equipment of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of energy management unit in the laser power supply communication equipment of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of GaAs photoelectricity pool unit in the laser power supply communication equipment of the embodiment of the present invention；
Fig. 4 is that the laser power supply optical fiber in communication equipment of the embodiment of the present invention communicates high potential module and the low electricity of fiber optic communication
The structural schematic diagram of position module；
Include in figure：Laser 1, fiber optic communication low potential module 2, energy management unit 3, fiber optic communication high potential module
4, large core fiber 5, telecommunication optical fiber 6, GaAs photoelectricity pool unit 7, first switch 8, lithium battery Charge Management unit 9, lithium battery
10, second switch 11, Voltage stabilizing module 12, dual power supply module 13, single supply power supply module 14, GaAs photocell 15, first
Low thermal resistance matching layer 16, the second low thermal resistance matching layer 17, energy collection unit 18, thermo-electric conversion module 19, radiating subassembly 20, light
Source 21, optical circulator 22, the first optical detector 23, coupler 24, reflection-type adjustable optical attenuator 25, the second optical detector 26,
First processor 27 and second processor 28.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is described in detail.
As shown in Figure 1, a kind of laser power supply communication equipment of the embodiment of the present invention, including：It is mounted on low potential node
Laser 1 and fiber optic communication low potential module 2, and it is mounted on the energy management unit 3 and fiber optic communication height of high potential node
Current potential module 4.Laser 1 and fiber optic communication low potential module 2 connect, energy management unit 3 and fiber optic communication high potential module 4
Connection, laser 1 and energy management unit 3 are connected by large core fiber 5, fiber optic communication low potential module 2 and fiber optic communication
High potential module 4 is connected by telecommunication optical fiber 6.
The laser function communication equipment of above structure, laser are greater than 1 watt of high power laser using Output optical power.
The output power of laser 1 is controlled positioned at the fiber optic communication low potential module 2 of low potential node, the strong light warp that laser 1 emits
Large core fiber 5 is transferred to the energy management unit 3 positioned at high potential node, and energy management unit 3 carries out defeated after photoelectric conversion
Electric energy out is that fiber optic communication high potential module 4 and external load energize, fiber optic communication low potential module 2 and the high electricity of fiber optic communication
It is communicated between the module 4 of position by telecommunication optical fiber 6, realizes the information transmitting of high and low potential nodes.
As preference, as shown in Fig. 2, energy management unit 3 includes GaAs photoelectricity pool unit 7, first switch 8, lithium electricity
Pond Charge Management unit 9, lithium battery 10, second switch 11, Voltage stabilizing module 12, dual power supply module 13 and single supply power supply mould
Block 14.The input optical port 7a of GaAs photoelectricity pool unit 7 is connect with large core fiber 5, the defeated current output terminal of GaAs photoelectricity pool unit 7
Mouthful 7b first inputs electricity port 13a and single supply with the input electricity port 8a of first switch 8, dual power supply module 13 respectively
First input electricity port 14a connection of power supply module 14, the output electricity port 8b and lithium battery Charge Management unit of first switch 8
9 input port connection, the output port of lithium battery Charge Management 9 are connected with the input port of lithium battery 10, lithium battery 10
Output port is connected with the input port of second switch 11, the output port of second switch 11 and the input port of Voltage stabilizing module 12
Connection, the output port of Voltage stabilizing module 12 inputs electricity port 13b with the second of dual power supply module 13 respectively and single supply supplies
Second input electricity port 14b connection of electric module 14.
The laser power supply communication equipment of above structure energizes strategy using dual power supply, when external load energizes demand low ebb
When, electric energy a part that GaAs photoelectricity pool unit exports to dual power supply module and single supply power supply module, some
It charges to lithium battery, is stored by lithium battery；When the energy supply demand to happen suddenly occurs in external load, lithium battery also exports electric energy
Output power to dual power supply module and single supply power supply module, without improving laser.In this way, laser can be steady
Surely low-power output state is maintained, to extend the service life of laser, improves the reliability of powering device.
As preference, as shown in figure 3, the GaAs photoelectricity pool unit 7 includes GaAs photocell 15, the first low thermal resistance
Matching layer 16, the second low thermal resistance matching layer 17, thermo-electric conversion module 19, radiating subassembly 20 and energy collection unit 18；Wherein,
The radiating surface of GaAs photocell 15 is connect with the hot end of thermo-electric conversion module 19 by the first low thermal resistance matching layer 16, heat to electricity conversion
The cold end of module 19 is connect with radiating subassembly 20 by the second low thermal resistance matching layer 17；The input optical port of GaAs photocell 15
15a is connect with large core fiber 5, the output electricity port 15b of GaAs photocell 15 and the first input electricity of energy collection unit 18
Second input electricity port 18a of port 18b connection, the electric port of the output of thermo-electric conversion module 19 and energy collection unit 18 connects
It connects.
Commercial GaAs photocell, energy conversion efficiency are usually no more than 50% at present, and most energy are with thermal energy
Form waste, meanwhile, cause photocell temperature increase, further decrease photronic transfer efficiency, cause vicious circle.On
The laser power supply communication equipment for stating structure, thermoelectric generation and photocell is combined together, thermo-electric conversion module is according to it
The temperature difference for two planes being in contact with the first low thermal resistance matching layer and the second low thermal resistance matching layer issues electric energy, by GaAs photoelectricity
The heat that pond generates in photoelectric conversion further switchs to electric energy, to improve the energy conversion efficiency of laser power supply equipment.
As preference, as shown in figure 4, the fiber optic communication low potential module 2 include light source 21, optical circulator 22,
First optical detector 23 and first processor 27, wherein the output port of the input of light source 21 electric port and first processor 27
27a connection, the output optical port of light source 21 are connected with the first optical port 22a of optical circulator 22, the second light of optical circulator 22
Port 22b is connect with one end of telecommunication optical fiber 6, the input of the third optical port 22c of optical circulator 22 and the first optical detector 23
Optical port connection, the electric port of the output of the first optical detector 23 are connected with the input port 27b of first processor 27.First processing
Device 27 is also connect with laser 1, for controlling the output power of laser 1.
As preference, as shown in figure 4, the fiber optic communication high potential module 4 includes coupler 24, reflection-type is adjustable
Optical attenuator 25, the second optical detector 26 and second processor 28, wherein the first optical port 24a and Communication ray of coupler 24
The other end connection of fibre 6, the second optical port 24b are connected with the two-way optical port 25a of reflection-type adjustable optical attenuator 25, third light
The connection of the input optical port of port 24c and the second optical detector 26, the output electricity port of the second optical detector 26 and second processing
The input electricity port 28b connection of device 28, output electricity port 28a and the reflection-type adjustable optical attenuator 25 of second processor 28 it is defeated
Enter electric port 25b connection.The first switch 8 of second processor 2 and energy management unit 3, lithium battery Charge Management unit 9, the
Two switches 11, dual power supply module 13 and single supply power supply module 14 connect.
The laser power supply communication equipment of above structure, is passed through using reflection-type adjustable optical attenuator 25 to low potential node
The optical signal that light source issues carries out intensity modulated, the information of high potential node is transmitted to low potential node, so that high potential section
Point no setting is required light source, the power consumption of entire communication module is smaller than 1 milliwatt, reduces the power consumption of high potential node, by photocell
The energy of output is as much as possible to be used for external load.
The embodiment of the present invention also provides a kind of communication means of laser power supply communication equipment based on above structure, realizes
Communication between low potential node and high potential node, comprises the steps of：
The information for being sent to high potential node is sent into light source by the first processor 27 that step 10) is located at low potential node
Electric signal is switched to input from the first optical port 22a of optical circulator 22 after optical signal by 21 input electricity port, light source 21, and from
Second optical port 22b output, optical signal input the first optical port of the coupler 24 positioned at high potential node after telecommunication optical fiber 6
24a is exported from the third optical port 24c of coupler 24, and optical signal, which is sent into the second optical detector 26, switchs to electric signal, and is sent into
In second processor 28；
After step 20) first processor 27 sends information to second processor 28, it is (straight herein that light source 21 exports direct current light
Streamer refers to not through ovennodulation, optical power constant light at any time), direct current light inputs after telecommunication optical fiber 6 is located at high potential section
First optical port 24a of the coupler 24 of point exports from the second optical port 24c of coupler 24, passes through the adjustable light decay of reflection-type
Subtract the two-way optical port 25a input reflection type adjustable optical attenuator 25 of device 25；
It, will after the second processor 28 that step 30) is located at high potential node receives the information of the sending of first processor 27
The information for being sent to low potential node is sent into reflection-type adjustable optical attenuator 25, and reflection-type adjustable optical attenuator 25 is according to the
The electric signal of two processors input is modulated the intensity of direct current light, and the optical signal that information is carried after modulation is adjustable from reflection-type
The two-way optical port 25a of optical attenuator 25 is exported, by the second optical port 24b input coupler 24 of coupler 24, and from coupling
First optical port 24a of clutch 24 is exported, and optical signal inputs the optical circulator 22 positioned at low potential node after telecommunication optical fiber 6
The second optical port 22b, exported from the third optical port 22c of optical circulator 22, be sent into the first optical detector 23, optical signal is the
Switch to electric signal in one optical detector 23, is sent into first processor 27.
Using above structure laser power supply communication equipment realize high potential node and low potential node communication means,
Intensity modulated is carried out by the optical signal that the light source to low potential node issues using the tunable attenuator of reflection-type, by high potential
The information of node is transmitted to low potential node, so that high potential node no setting is required light source, the power consumption of entire communication module can be small
In 1 milliwatt, the power consumption of high potential node is reduced, the energy that photocell exports as much as possible is used for external load.
The embodiment of the present invention also provides a kind of method of supplying power to of laser power supply communication equipment based on above structure, including：
When the load that each component of the laser power supply equipment is working properly and is connected in dual power supply module 13
When energy supply demand is constant, using laser single supply powering mode, specifically：First switch 8 is connected, disconnects second switch 11, swashs
The strong light that light device 1 issues is sent into GaAs photoelectricity pool unit 7 through large core fiber 5, the electric energy that GaAs photoelectricity pool unit 7 exports point
For three parts, first part inputs from the first input electricity port 13a of dual power supply module 13, from dual power supply module 13
Output electricity port 13c output, for giving load energy supply, second part inputs electric port from the first of single supply power supply module 14
14a input, exports from the output electricity port 14c of single supply power supply module 14, for being energized to fiber optic communication high potential module 4,
Part III is sent into lithium battery Charge Management unit 9 through first switch 8, for charging to lithium battery 10.
When the operating temperature of the energy supply demand to happen suddenly or laser 1 occurs in the load being connected in dual power supply module 13
When more than threshold value, using dual power supply powered mode, specifically：First switch 8 is disconnected, second switch 11, GaAs photocell is connected
The electric energy that unit 7 exports is divided into two parts, and first part inputs from the first input electricity port 13a of dual power supply module 13,
Second part is from the first of single supply power supply module 14 the input electricity port 14a input, and the electric energy of the output of lithium battery 10 is successively through the
It is divided into two parts after two switches 11 and Voltage stabilizing module 12, first part inputs electric port from the second of dual power supply module 13
13b input, dual power supply module 13 enter dual power supply operating mode, and two power supplys export electric energy outward simultaneously, for negative
Carry energy supply；Second part is inputted from the second input electricity port 14b of single supply power supply module 14, and single supply power supply module 14 compares
The voltage of its first input electricity port 14a and the second input electricity port 14b, when the voltage of the first input electricity port 14a is higher than threshold
When value, electric energy is obtained from the first input electricity port 14a and is used to energize to fiber optic communication high potential module 4, otherwise from the second input
Electric port 14b obtains electric energy and is used to energize to fiber optic communication high potential module 4.
When GaAs photoelectricity pool unit 7 is without power output, using battery single supply powering mode, specifically：Disconnect first
Switch 8, is connected second switch 11, and the electric energy that lithium battery 10 exports successively is divided into two after second switch 11 and Voltage stabilizing module 12
Point, first part is used for from the second input electricity port 13b input of dual power supply module 13 to loading functional, second part
From the second input electricity port 14b input of single supply power supply module 14, for being energized to fiber optic communication high potential module.
The method of supplying power to of laser power supply communication equipment based on above structure energizes strategy using dual power supply, when external negative
When carrying energy supply demand low ebb, electric energy a part that GaAs photoelectricity pool unit exports is to dual power supply module and single supply power supply mould
Block, some charges to lithium battery, is stored by lithium battery；When there is the energy supply demand to happen suddenly in external load, lithium
Battery also exports output power of the electric energy to dual power supply module and single supply power supply module, without improving laser.
In this way, laser can be stably maintained at low-power output state, to extend the service life of laser, improve powering device can
By property.
The embodiment of the present invention organically combines photoelectric conversion and heat to electricity conversion, is effectively utilized the heat discharged in photoelectric conversion
Amount, improves the transfer efficiency of laser power supply equipment；The low power loss communication module based on reflection-type variable optical attenuator is designed,
The power consumption for reducing high potential node itself, improves the service efficiency of energy；Dual power supply energization schemes are designed, laser is maintained
Low-power consumption output, effectively increases the service life of laser and the reliability of laser power supply equipment.
The basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry
It should be appreciated that the design is not restricted to the described embodiments, the above embodiments and description only describe the design
Principle, under the premise of not departing from the design spirit and scope, the invention will also have various changes and improvements, these change
Change and improvement is both fallen within the scope of claimed the design.Range is claimed by appended claims in the invention
And its equivalent thereof.
Claims (9)
1. a kind of laser power supply communication equipment, which is characterized in that the laser power supply communication equipment includes：It is mounted on low potential node
Laser (1) and fiber optic communication low potential module (2), and be mounted on the energy management unit (3) and light of high potential node
Fiber communication high potential module (4)；Wherein, the laser (1) and fiber optic communication low potential module (2) connection, energy management
Unit (3) and fiber optic communication high potential module (4) connection, laser (1) and energy management unit (3) pass through large core fiber
(5) it connects, fiber optic communication low potential module (2) and fiber optic communication high potential module (4) are connected by telecommunication optical fiber (6).
2. laser power supply communication equipment described in accordance with the claim 1, which is characterized in that energy management unit (3) packet
Include GaAs photoelectricity pool unit (7), first switch (8), lithium battery Charge Management unit (9), lithium battery (10), second switch
(11), Voltage stabilizing module (12), dual power supply module (13) and single supply power supply module (14)；Wherein, GaAs photoelectricity pool unit
(7) input optical port (7a) is connect with large core fiber (5), and the output electricity port (7b) of GaAs photoelectricity pool unit (7) is respectively
Electric port (13a) and single supply are inputted with the input electricity port (8a) of first switch (8), the first of dual power supply module (13)
The first of power supply module (14) inputs electric port (14a) and connects, and the output electricity port (8b) of first switch (8) and lithium battery charge
The input port of administrative unit (9) connects, and the output port of lithium battery Charge Management (9) and the input port of lithium battery (10) connect
Connect, the output port of lithium battery (10) is connected with the input port of second switch (11), the output port of second switch (11) with
The input port of Voltage stabilizing module (12) connects, the output port of Voltage stabilizing module (12) respectively with dual power supply module (13) the
Two, which input electric port (13b) and the second of single supply power supply module (14), inputs electric port (14b) connection.
3. laser power supply communication equipment according to claim 2, which is characterized in that the GaAs photoelectricity pool unit (7)
Including GaAs photocell (15), the first low thermal resistance matching layer (16), the second low thermal resistance matching layer (17), thermo-electric conversion module
(19), radiating subassembly (20) and energy collection unit (18)；Wherein, the radiating surface and thermo-electric conversion module of GaAs photocell (15)
(19) hot end is connected by the first low thermal resistance matching layer (16), and the cold end of thermo-electric conversion module (19) and radiating subassembly (20) are logical
Cross the connection of the second low thermal resistance matching layer (17)；
The input optical port (15a) of GaAs photocell (15) is connect with large core fiber (5), the output electricity of GaAs photocell (15)
The electric port (18b) of first input of port (15b) and energy collection unit (18) connects, the output electricity of thermo-electric conversion module (19)
The electric port (18a) of second input of port and energy collection unit (18) connects.
4. laser power supply communication equipment described in accordance with the claim 1, which is characterized in that the fiber optic communication low potential module
It (2) include light source (21), optical circulator (22), the first optical detector (23) and first processor (27), wherein light source (21)
Input output port (27a) connection of electric port and first processor (27), the output optical port and optical circulator of light source (21)
(22) the first optical port (22a) connection, the second optical port (22b) of optical circulator (22) and the one end of telecommunication optical fiber (6) connect
It connects, the third optical port (22c) of optical circulator (22) is connected with the input optical port of the first optical detector (23), the first optical detection
The output electricity port of device (23) and input port (27b) connection of first processor (27).
5. laser power supply communication equipment according to claim 4, which is characterized in that the fiber optic communication high potential module
It (4) include coupler (24), reflection-type adjustable optical attenuator (25), the second optical detector (26) and second processor (28),
In, the first optical port (24a) of coupler (24) is connected with the other end of telecommunication optical fiber (6), the second optical port (24b) and reflection
The two-way optical port (25a) of type adjustable optical attenuator (25) connects, third optical port (24c) and the second optical detector (26) it is defeated
The connection of light inputting end mouth, the output electricity port of the second optical detector (26) and the input electricity port (28b) of second processor (28) connect
It connects, the output electricity port (28a) of second processor (28) and the input electricity port (25b) of reflection-type adjustable optical attenuator (25) connect
It connects.
6. a kind of communication means based on the laser power supply communication equipment described in claim 5, which is characterized in that the communication means
Include the following steps：
The information for being sent to high potential node is sent into light source by the first processor (27) that step 10) is located at low potential node
(21) electric signal is switched to the first optical port (22a) after optical signal from optical circulator (22) by input electricity port, light source (21)
Input, and exported from the second optical port (22b), optical signal inputs the coupler positioned at high potential node after telecommunication optical fiber (6)
(24) the first optical port (24a) is exported from the third optical port (24c) of coupler (24), and optical signal is sent into the second optical detection
Device switchs to electric signal in (26), and is sent into second processor (28)；
After step 20) first processor (27) sends information to second processor (28), light source (21) exports direct current light, direct current
Light inputs the first optical port (24a) of the coupler (24) positioned at high potential node after telecommunication optical fiber (6), from coupler (24)
The second optical port (24b) output, can by two-way optical port (25a) input reflection type of reflection-type adjustable optical attenuator (25)
Optical attenuator (25)；
It, will after the second processor (28) that step 30) is located at high potential node receives the information of first processor (27) sending
The information for being sent to low potential node is sent into reflection-type adjustable optical attenuator (25), reflection-type adjustable optical attenuator (25) root
The intensity of direct current light is modulated according to the electric signal that second processor inputs, the optical signal of information is carried after modulation from reflection-type
The two-way optical port (25a) of adjustable optical attenuator (25) exports, and passes through the second optical port (24b) input coupling of coupler (24)
Device (24), and exported from the first optical port (24a) of coupler (24), optical signal is inputted after telecommunication optical fiber (6) positioned at low
The second optical port (22b) of the optical circulator (22) of potential nodes is exported from the third optical port (22c) of optical circulator (22),
It is sent into the first optical detector (23), optical signal switchs to electric signal in the first optical detector (23), is sent into first processor (27)
In.
7. a kind of method of supplying power to based on laser power supply communication equipment as claimed in claim 2, which is characterized in that double when being connected to
The energy supply demand of load on power supply module (13) is not above equipment and provides the maximum value of power, and loads energy supply demand
When fluctuating smaller, using laser single supply powering mode, specifically：It is connected first switch (8), disconnects second switch (11), swash
The strong light that light device (1) issues is sent into GaAs photoelectricity pool unit (7) through large core fiber (5), GaAs photoelectricity pool unit (7) output
Electric energy be divided into three parts, first part inputs electric port (13a) from the first of dual power supply module (13) and inputs, from double electricity
The output electricity port (13c) of source power supply module (13) exports, and for giving load energy supply, second part is from single supply power supply module
(14) first inputs electric port (14a) and inputs, and exports, is used for from the output electricity port (14c) of single supply power supply module (14)
It being energized to fiber optic communication high potential module (4), Part III is sent into lithium battery Charge Management unit (9) through first switch (8),
For charging to lithium battery (10).
8. a kind of method of supplying power to based on laser power supply communication equipment as claimed in claim 2, which is characterized in that double when being connected to
When load on power supply module (13) operating temperature of the energy supply demand to happen suddenly or laser (1) occurs more than threshold value, adopt
With dual power supply powered mode, specifically：It disconnects first switch (8), is connected second switch (11), GaAs photoelectricity pool unit (7) is defeated
Electric energy out is divided into two parts, and first part inputs electric port (13a) from the first of dual power supply module (13) and inputs, and second
Part inputs electric port (14a) from the first of single supply power supply module (14) and inputs, and the electric energy of lithium battery (10) output successively passes through
It is divided into two parts, second input of the first part from dual power supply module (13) after second switch (11) and Voltage stabilizing module (12)
Electric port (13b) input, dual power supply module (13) enter dual power supply operating mode, and two power supplys export electricity outward simultaneously
Can, for giving load energy supply；Second part inputs electric port (14b) from the second of single supply power supply module (14) and inputs, single electricity
Source power supply module (14) compares its electric port (14a) of the first input and second and inputs the voltage of electric port (14b), when the first input
When the voltage of electric port (14a) is higher than threshold value, electric port (14a) is inputted from first and obtains electric energy for giving fiber optic communication high potential
Otherwise module (4) energy supply inputs electric port (14b) from second and obtains electric energy for energizing to fiber optic communication high potential module (4).
9. a kind of method of supplying power to based on laser power supply communication equipment as claimed in claim 2, which is characterized in that when GaAs photoelectricity
When pool unit (7) is without power output, using battery single supply powering mode, specifically：It disconnects first switch (8), conducting second
It switching (11), the electric energy of lithium battery (10) output is successively divided into two parts after second switch (11) and Voltage stabilizing module (12), the
A part inputs electric port (13b) from the second of dual power supply module (13) and inputs, for loading functional, second part from
The second of single supply power supply module (14) inputs electric port (14b) and inputs, for energizing to fiber optic communication high potential module.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715791A (en) * | 2019-10-14 | 2020-01-21 | 南京工程学院 | Optical fiber type laser energy distribution network system and distribution method |
| CN111224307A (en) * | 2020-01-17 | 2020-06-02 | 中国科学院半导体研究所 | Same-wavelength laser signal and energy dual-transmission system |
| CN112118054A (en) * | 2020-10-09 | 2020-12-22 | 南京工程学院 | Single-fiber laser power supply equipment and communication method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2765401Y (en) * | 2005-01-27 | 2006-03-15 | 陈金鹰 | Transmission system based on free space optical communication |
| CN202053906U (en) * | 2011-04-06 | 2011-11-30 | 上海荣富新能源技术有限公司 | Automobile double power management device |
| CN103633924A (en) * | 2013-12-04 | 2014-03-12 | 中国航天科技集团公司第五研究院第五一三研究所 | Laser energy transfer system |
| CN103683455A (en) * | 2013-11-22 | 2014-03-26 | 南京信息工程大学 | Supercapacitor based inductive energy-extracting power supply device of high-voltage measurement system |
| CN103986087A (en) * | 2014-05-14 | 2014-08-13 | 南京工程学院 | Transmission line patrol system and method based on optical transmission |
| CN106100153A (en) * | 2016-07-06 | 2016-11-09 | 中国电力科学研究院 | A kind of laser power supply system and method for active electronic transformer |
| CN106787261A (en) * | 2016-12-08 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | A kind of high pressure on-line monitoring equipment energy supply method and device based on optical fiber |
| CN106921211A (en) * | 2015-12-25 | 2017-07-04 | 创领心律管理医疗器械（上海）有限公司 | For the power-supply management system and its method of work of medicine equipment |
| CN106981160A (en) * | 2017-05-16 | 2017-07-25 | 长沙金定信息技术有限公司 | A kind of anti-theft monitoring system based on image capture and processing |
| CN206379777U (en) * | 2016-12-22 | 2017-08-04 | 南京雄略电子科技有限公司 | A kind of feedback-type pulsed micropower laser energy supply device |
| US20170338889A1 (en) * | 2016-05-20 | 2017-11-23 | Rosemount Aerospace Inc. | Optically powered transducer module |
| CN107810608A (en) * | 2015-06-11 | 2018-03-16 | At&T知识产权部有限合伙公司 | Repeater and the method for being therewith used for surface wave power line communication |
| CN208739050U (en) * | 2018-09-19 | 2019-04-12 | 南京工程学院 | A kind of laser power supply communication equipment |
-
2018
- 2018-09-19 CN CN201811094723.7A patent/CN108900141B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2765401Y (en) * | 2005-01-27 | 2006-03-15 | 陈金鹰 | Transmission system based on free space optical communication |
| CN202053906U (en) * | 2011-04-06 | 2011-11-30 | 上海荣富新能源技术有限公司 | Automobile double power management device |
| CN103683455A (en) * | 2013-11-22 | 2014-03-26 | 南京信息工程大学 | Supercapacitor based inductive energy-extracting power supply device of high-voltage measurement system |
| CN103633924A (en) * | 2013-12-04 | 2014-03-12 | 中国航天科技集团公司第五研究院第五一三研究所 | Laser energy transfer system |
| CN103986087A (en) * | 2014-05-14 | 2014-08-13 | 南京工程学院 | Transmission line patrol system and method based on optical transmission |
| CN107810608A (en) * | 2015-06-11 | 2018-03-16 | At&T知识产权部有限合伙公司 | Repeater and the method for being therewith used for surface wave power line communication |
| CN106921211A (en) * | 2015-12-25 | 2017-07-04 | 创领心律管理医疗器械（上海）有限公司 | For the power-supply management system and its method of work of medicine equipment |
| US20170338889A1 (en) * | 2016-05-20 | 2017-11-23 | Rosemount Aerospace Inc. | Optically powered transducer module |
| CN106100153A (en) * | 2016-07-06 | 2016-11-09 | 中国电力科学研究院 | A kind of laser power supply system and method for active electronic transformer |
| CN106787261A (en) * | 2016-12-08 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | A kind of high pressure on-line monitoring equipment energy supply method and device based on optical fiber |
| CN206379777U (en) * | 2016-12-22 | 2017-08-04 | 南京雄略电子科技有限公司 | A kind of feedback-type pulsed micropower laser energy supply device |
| CN106981160A (en) * | 2017-05-16 | 2017-07-25 | 长沙金定信息技术有限公司 | A kind of anti-theft monitoring system based on image capture and processing |
| CN208739050U (en) * | 2018-09-19 | 2019-04-12 | 南京工程学院 | A kind of laser power supply communication equipment |
Non-Patent Citations (1)
| Title |
|---|
| 何明甫;: "关于加强变电站通信可靠性的探讨", 电力***通信, vol. 27, no. 02, pages 27 - 28 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715791A (en) * | 2019-10-14 | 2020-01-21 | 南京工程学院 | Optical fiber type laser energy distribution network system and distribution method |
| CN110715791B (en) * | 2019-10-14 | 2021-08-10 | 南京工程学院 | Optical fiber type laser energy distribution network system and distribution method |
| CN111224307A (en) * | 2020-01-17 | 2020-06-02 | 中国科学院半导体研究所 | Same-wavelength laser signal and energy dual-transmission system |
| CN112118054A (en) * | 2020-10-09 | 2020-12-22 | 南京工程学院 | Single-fiber laser power supply equipment and communication method thereof |
| CN112118054B (en) * | 2020-10-09 | 2021-08-10 | 南京工程学院 | Single-fiber laser power supply equipment and communication method thereof |
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