CN206117559U - Optic fibre energy supply system based on multijunction spotlight photovoltaic cell - Google Patents
Optic fibre energy supply system based on multijunction spotlight photovoltaic cell Download PDFInfo
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- CN206117559U CN206117559U CN201620603897.1U CN201620603897U CN206117559U CN 206117559 U CN206117559 U CN 206117559U CN 201620603897 U CN201620603897 U CN 201620603897U CN 206117559 U CN206117559 U CN 206117559U
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- photovoltaic cell
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- 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
Abstract
The utility model relates to an optic fibre energy supply technical field especially relates to an optic fibre energy supply system based on multijunction spotlight photovoltaic cell. An optic fibre energy supply system based on multijunction spotlight photovoltaic cell which characterized in that: including laser module, fiber optic coupling module, branch optical module, photoelectric conversion module four bibliographic categories branch, the laser module adopts the multiband laser module, and each laser beam of multiband laser module output closes through the fiber optic coupling module and incides to energy transmitting optical fiber after restrainting, through certain distance transmission back incident to dividing the optical module, divide the optical module to divide most multi beam with the laser beam to be load circuit, sensing equipment power supply through corresponding photoelectric conversion module.
Description
Technical field
This utility model is related to optical fiber energy supply technical field, more particularly to a kind of optical fiber based on multi-junction condensation photovoltaic cell
Energy supplying system.
Background technology
Internet of Things can realize telecommunication network Digital Transmission and storage system, remote network data communication and storage, long-range
Multiple networks fusion, it has also become one of strategic high ground of world economy and development in science and technology.The structure of Internet of Things be unable to do without and passes
Sense net, including the collection of information and transmission；In fact, senser element is just being comparable in the entire network information gathering one by one
Transducer arrangements under point, wide range of areas and environment, it is possible to achieve " immanent perception " this ultimate aim.
However, needing badly in the special environment for covering all kinds of sensing networks in part, sensing network normal work and letter are maintained
Number transmission energy supply there are many restrictions, there is electromagnetic interference, Er Qie to conventional powerline in such as high voltage, high-intensity magnetic field
Under inflammable and explosive environment, electric spark can then cause catastrophic effect.In order to overcome a supply of electric power difficult problem, research worker to have studied all
Multi-method, such as wireless electromagnetic pass can, sound wave pass can, solar powered and high capacity cell power, but above-mentioned technology according to
So there is significant limitation, for example electromagnetic environment produces interference to radio, sound wave, and solar energy is limited by atmospheric environment, electricity
There are life problems etc. in pond.
It is senser element and equipment energy supply in the environment of anti-electromagnetism is needed, optical fiber passes energy（Power over Fiber,
PoF）Technology is a kind of effective and reliable energy-provision way.Which is that high energy laser is transferred to distal end using optical fiber, so
Afterwards laser energy is converted into electric flux with photovoltaic power converter, so as to the device and equipment to distal end is powered.Due to adopting
Optical fiber transmits energy, and this technology is not disturbed by wireless electromagnetic, lightning etc., and its is lightweight, safe and reliable.Optical fiber is passed can skill
In order to transmit energy, the optical fiber for being adopted mostly is the optical fiber of big core diameter to art.Another core devices in optical fiber energy transfer system
It is photovoltaic power converter.Now main flow uses the laser for 700-870nm near infrared bands in optical fiber energy supplying system
And the GaAs photovoltaic cells for selecting.The band gap of GaAs materials matches with this wave band, can produce the light of high-photoelectric transformation efficiency
Volt battery.Although however, the photoelectric transformation efficiency in 700-870nm band GaAs photovoltaic cells can reach 45%（PENA R,
ALGORA C, ANTON I. GaAs multiple photovoltaic converters with an efficiency
of 45% for monochromatic illumination[C]. Photovoltaic Energy Conversion,
2003. Proceedings of 3rd World Conference on. IEEE, 2003, 1: 228-231.）, but so
Single wave band GaAs photovoltaic cells output electrical power be limited, so as to limit further applying for this technology.
The content of the invention
This utility model purpose is to solve the problems, such as that current optical fiber energy transfer system electromotive power output is limited, there is provided Yi Zhongji
In the optical fiber energy supplying system of multi-junction condensation photovoltaic cell, propose to adopt multi-junction condensation in optical fiber energy transfer system in this utility model
Photovoltaic cell obtains the higher electromotive power output of GaAs photovoltaic cells than ever, so as to extend as photovoltaic power converter
Photovoltaic passes the application of energy technology.
The multi-junction condensation photovoltaic cell that this utility model is adopted is for the difference of solar spectrum is rung using different materials
Principle is answered, the PN junction that multiple layers of different materials is grown on base material is prepared from, be capable of achieving to the abundant of different-waveband spectrum
Absorb, not only with up to 44.7% photoelectric transformation efficiency（DIMROTH F, GRAVE M, BEUTEL P, et al.
Wafer bonded four‐junction GaInP/GaAs/GaInAsP/GaInAs concentrator solar cells
with 44.7% efficiency[J]. Progress in Photovoltaics: Research and
Applications, 2014, 22(3): 277-282.）, bigger electrical power is obtained after conversion.
A kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell is to take technical scheme below to realize：
A kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell includes laser module, fiber coupling module, light splitting
Module and the part of photoelectric conversion module four.Laser module adopt multi-wave band laser module, multi-wave band laser module output each
Laser beam is closed by fiber coupling module and be incident to energy-transmission optic fibre after beam, and after certain distance transmission light splitting mould is incident to
Laser beam point most multi beam is that load circuit, sensing equipment are supplied through corresponding photoelectric conversion module by block, spectral module
Electricity.
Fiber coupling module adopts fiber coupler, fiber coupler to have multiple input adapters and 1 out splice going splice.It is many
Individual input adapter is connected respectively with multiple laser instrument, and out splice going splice is connected with energy-transmission optic fibre.
Described photoelectric conversion module adopts photovoltaic cell, and described photovoltaic cell is lamination multi-junction condensation photovoltaic cell,
It is in series by many sub- batteries with tunnel junctions, and each individual sub- battery is made up of the semi-conducting material of different band gap, according to from
Little band gap width is arrived greatly to be concatenated by tunnel junctions lamination from top to bottom, and per individual sub- battery the spectrum of different-waveband is absorbed respectively.
Described multi-wave band laser module is made up of the laser instrument of multiple different operating wave bands, using common Solid State Laser
Device, the absorption spectrum wave band of the central wavelength lambda 1 of each service band, λ 2, λ 3 ... λ n according to lamination multi-junction condensation photovoltaic cell
Scope is determining.
Described photoelectric conversion module is connected with power management module.
The power management module includes load matching circuit, energy-storage module, load matching circuit connection energy-storage module.
The Energy transfer is energy-transmission optic fibre.
A kind of energy supply method of the optical fiber energy supplying system based on multi-junction condensation photovoltaic cell is as follows：
Multi-wave band laser module is made up of the laser instrument of multiple different operating wave bands, from the different operating of multi-laser output
High energy laser is coupled Jing after fiber coupling module combined light beam and is incident to energy-transmission optic fibre on wavelength, and Jing optical fiber long-distance transmissions are extremely
Spectral module, the every laser light incident all the way after beam splitting at most ties Condensation photovoltaic battery and is converted to electric flux, multi-junction condensation photovoltaic electric
Pond is connected with load matching circuit, and load matching circuit is by changing its equivalent resistance to realize the impedance with photovoltaic cell
Match somebody with somebody, so that the running voltage of multi-junction condensation photovoltaic cell is near maximum power point voltage value or here value.In load
With under circuit function, multi-junction condensation photovoltaic cell is exported with maximum or close peak power output, and is stored at energy-storage module
Electric flux；When power management module monitors that the voltage at energy-storage module two ends is charged to the threshold voltage for pre-setting, discharge defeated
Go out Voltage rails to use for load equipment.
Advantage of this utility model relative to prior art：
1) the high energy laser merga pass energy-transmission optic fibre of different-waveband is transmitted using combiner device, in multi-junction condensation light
Volt battery completes opto-electronic conversion, it is possible to achieve fully absorb utilization to different-waveband spectrum, so as to obtain higher output electricity
Power.
2) this utility model is, based on the energy supply technology of multi-junction condensation photovoltaic cell fibre system, to solve and adopting optically focused
Light beam coupling efficiency is low in the energy supplying system of photovoltaic cell, power dissipation, stability are bad, by electromagnetic interference the problems such as.This reality
Photoelectric transformation efficiency with the Condensation photovoltaic battery of new middle employing is high, typically can be more than 40%, it is ensured that the persistence of power supply
With stability.
3) this technology adopts fiber coupling device, is not affected by the external environment, even if under vibration, electromagnetic interference environment still
So can be with normal work, it is achieved thereby that stable energy supply in particular circumstances.
Description of the drawings
Below with reference to accompanying drawing, the utility model is described in further detail：
Fig. 1 is existing laser power supply structured flowchart.
Fig. 2 is the optical fiber energy supplying system structure chart based on multi-junction condensation photovoltaic cell of the present utility model.
Fig. 3 is a kind of structure chart of embodiment of the present utility model.
Fig. 4 is the structure chart of the fiber coupler that this utility model is used.
Description of reference numerals：
1st, multi-wave band laser module, 2, laser instrument one, 3, laser instrument two, 4, laser instrument three, 5, fiber coupling module（Device）,
6th, Energy transfer, 7, energy-transmission optic fibre, 8, spectral module（Device）, 9, photoelectric conversion module（Multi-junction condensation photovoltaic cell）, 10, power supply
Management module, 11, load matching circuit, 12, energy-storage module, 13, base station unit, 14, far-end unit, 15, laser module, 16,
Photovoltaic cell, 17, input adapter one, 18, input adapter two, 19, input adapter three, 20, output（Coupling）Joint.
Specific embodiment
Referring to the drawings 1-4, a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell includes laser module, optical fiber coupling
Matched moulds block 5, spectral module 8, the part of photoelectric conversion module 9 four.Laser module adopts multi-wave band laser module 1, multi-wave band laser
Each laser beam of the output of module 1 is closed by fiber coupling module 5 and be incident to energy-transmission optic fibre 7 after beam, is passed through certain distance
Spectral module 8 is incident to after defeated, laser beam point most multi beam is by spectral module 8 through corresponding photoelectric conversion module 9
Load circuit, sensing equipment are powered.
Fiber coupling module 5 adopts fiber coupler, fiber coupler 5 to have multiple input adapters and 1 out splice going splice.
Multiple input adapters are connected respectively with multiple laser instrument, and out splice going splice is connected with energy-transmission optic fibre 7.
Described photoelectric conversion module 9 adopts photovoltaic cell, and described photovoltaic cell is lamination multi-junction condensation photovoltaic cell,
It is in series by many sub- batteries with tunnel junctions, and each individual sub- battery is made up of the semi-conducting material of different band gap, according to from
Little band gap width is arrived greatly to be concatenated by tunnel junctions lamination from top to bottom, and per individual sub- battery the spectrum of different-waveband is absorbed respectively.
Described multi-wave band laser module 1 is made up of the laser instrument of multiple different operating wave bands, is swashed using common solid
Light device, the absorption spectrum ripple of the central wavelength lambda 1 of each service band, λ 2, λ 3 ... λ n according to lamination multi-junction condensation photovoltaic cell
Segment limit is determining.
Described photoelectric conversion module 9 is connected with power management module 10.
The power management module 10 includes load matching circuit 11, energy-storage module 12, the connection storage of load matching circuit 11
Can module 12.
The Energy transfer 6 is energy-transmission optic fibre.
A kind of energy supply method of the optical fiber energy supplying system based on multi-junction condensation photovoltaic cell is as follows：
Multi-wave band laser module 1 is made up of the laser instrument of multiple different operating wave bands, using common solid state laser, from
High energy laser is coupled Jing after the combined light beam of fiber coupling module 5 and is incident to biography energy on the different operating wavelength of multi-laser output
Optical fiber 7, Jing optical fiber long-distance transmissions to spectral module 8 at most tie 9 turns of Condensation photovoltaic battery after beam splitting per laser light incident all the way
Electric flux is changed to, multi-junction condensation photovoltaic cell 9 is connected with load matching circuit 11, load matching circuit 11 is equivalent by changing its
Resistance is to realize the impedance matching with photovoltaic cell, so that the running voltage of multi-junction condensation photovoltaic cell is maximum power point
Near magnitude of voltage or here value.In the case where load matching circuit 11 is acted on, multi-junction condensation photovoltaic cell 9 is with maximum or close maximum defeated
Go out power output, and electric flux is stored at energy-storage module 12；When power management module 10 monitors the two ends of energy-storage module 12
When voltage is charged to the threshold voltage for pre-setting, electric discharge output voltage rail is used for load equipment.
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.With
Example below is used to illustrate this utility model, but is not limited to scope of the present utility model.
Accompanying drawing 1 is existing laser power supply system general structure figure, as illustrated, laser power supply system generally comprises three
Unit：Base station unit 13, Energy transfer 6, far-end unit 14.Laser module 15, itself and distal end list are included in base station unit 13
It is Energy transfer 6 between unit 14, the realization of Energy transfer 6 can be wired mode, or wirelessly, in this example
Using the energy-transmission optic fibre 7 in wired mode.Photovoltaic cell 16 in far-end unit 14 receives the high-energy from Energy transfer 6
Laser, is converted into electric flux and exports to the relevant device in far-end unit 14 and load circuit energy supply by photoelectric effect.
Accompanying drawing 2 is the optical fiber energy supplying system structure described in this utility model embodiment based on multi-junction condensation photovoltaic cell
Figure, as illustrated, the system is by multi-wave band laser module 1, fiber coupling module 5, Energy transfer 6, spectral module 8, many knots
Condensation photovoltaic battery 9 is constituted.It is different from former laser power supply system, multi-wave band laser module is used in this utility model
1 and corresponding lamination multi-junction condensation photovoltaic cell 9, multi-wave band laser module 1 is made up of the laser instrument of multiple different operating wave bands,
The central wavelength lambda of each service band1、λ2、λ3……λnAccording to the absorption spectrum wavelength band of lamination multi-junction condensation photovoltaic cell
To determine.The biography energy light that the output beam of these laser instrument is incident in Energy transfer 6 by the closing beam of fiber coupling module 5
Fine 7, lamination multi-junction condensation photovoltaic cell 9 is sent to through energy-transmission optic fibre 7, spectral module 8, it is output as by photoelectric effect conversion
Electric flux is driving far-end unit.
Accompanying drawing 3 is a kind of embodiment of optical fiber energy supply method described in this utility model embodiment, as illustrated, to carry
High stability, adds power management module 10 in the system embodiment, and it includes load matching circuit 11, energy-storage module
12.Specifically, multi-wave band laser module 1 includes laser instrument 1（Operation wavelength is λ1）, laser instrument 23（Operation wavelength is λ2）
With laser instrument 34（Operation wavelength is λ3）, from high energy laser Jing optical fiber on the different operating wavelength of these three laser instrument outputs
Coupling after the combined light beam of coupling module 5 is incident to energy-transmission optic fibre 7, and Jing optical fiber long-distance transmissions to spectral module 8 are every after beam splitting
All the way laser light incident at most ties Condensation photovoltaic battery 9 and is converted to electric flux, multi-junction condensation photovoltaic cell 9 and load matching circuit 11
It is connected, load matching circuit 11 is by changing its equivalent resistance to realize the impedance matching with photovoltaic cell, so that many knots
The running voltage of Condensation photovoltaic battery is near maximum power point voltage value or here value.In the case where load matching circuit 11 is acted on,
Multi-junction condensation photovoltaic cell 9 is exported with maximum or close peak power output, and electric flux is stored at energy-storage module 12；Work as electricity
When source control module 10 monitors that the voltage at the two ends of energy-storage module 12 is charged to the threshold voltage for pre-setting, discharge output voltage rail
Use for load equipment.
Accompanying drawing 4 is the structure chart of three wave band fiber couplers in this utility model embodiment, as shown in the figure fiber coupling
Device 5 includes input adapter 17, input adapter 18, input adapter 19 and out splice going splice 20, and joint 17, joint 18, joint 19 are distinguished
With laser instrument 2, laser instrument 3 and laser instrument 4 connect, and out splice going splice 20 is connected with energy-transmission optic fibre 7；Using such three band of light
Fine bonder is capable of achieving the stable conjunction beam to different-waveband laser, and insertion loss is relatively low, so as to improve the practicality of the system
Property and stability.
Claims (7)
1. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell, it is characterised in that：Including laser module, fiber coupling
Module, spectral module and the part of photoelectric conversion module four；Laser module adopts multi-wave band laser module, and multi-wave band laser module is defeated
Each laser beam for going out is closed by fiber coupling module and be incident to energy-transmission optic fibre after beam, is incident to after certain distance transmission
Laser beam point most multi beam is load circuit, is sensed by spectral module, spectral module through corresponding photoelectric conversion module
Equipment is powered.
2. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 1, it is characterised in that：Light
Fine coupling module adopts fiber coupler, fiber coupler to have multiple input adapters and 1 out splice going splice；Multiple input adapters
It is connected with multiple laser instrument respectively, out splice going splice is connected with energy-transmission optic fibre.
3. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 1, it is characterised in that：Institute
The photoelectric conversion module stated adopts photovoltaic cell, and described photovoltaic cell is lamination multi-junction condensation photovoltaic cell, and it is by many height
Battery is in series with tunnel junctions, and each sub- battery is made up of the semi-conducting material of different band gap, according to band from big to small
Gap width is concatenated from top to bottom by tunnel junctions lamination, and per individual sub- battery the spectrum of different-waveband is absorbed respectively.
4. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 1, it is characterised in that：Institute
The multi-wave band laser module stated is made up of the laser instrument of multiple different operating wave bands, using common solid state laser, each work
The absorption spectrum wavelength band for making the central wavelength lambda 1 of wave band, λ 2, λ 3 ... λ n according to lamination multi-junction condensation photovoltaic cell is come really
It is fixed.
5. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 1, it is characterised in that：Institute
The photoelectric conversion module stated is connected with power management module.
6. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 5, it is characterised in that：Institute
Power management module is stated including load matching circuit, energy-storage module, load matching circuit connection energy-storage module.
7. a kind of optical fiber energy supplying system based on multi-junction condensation photovoltaic cell according to claim 1, it is characterised in that：Pass
Energy passage is energy-transmission optic fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603897.1U CN206117559U (en) | 2016-06-20 | 2016-06-20 | Optic fibre energy supply system based on multijunction spotlight photovoltaic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603897.1U CN206117559U (en) | 2016-06-20 | 2016-06-20 | Optic fibre energy supply system based on multijunction spotlight photovoltaic cell |
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| CN206117559U true CN206117559U (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603897.1U Withdrawn - After Issue CN206117559U (en) | 2016-06-20 | 2016-06-20 | Optic fibre energy supply system based on multijunction spotlight photovoltaic cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978445A (en) * | 2016-06-20 | 2016-09-28 | 江苏中天科技股份有限公司 | Optical fiber energy supply system based on multi-junction concentrating photovoltaic battery and energy supply method |
| RU2696355C1 (en) * | 2018-12-25 | 2019-08-01 | Федеральное государственное бюджетное учреждение науки Физико-технический институт им. А.Ф. Иоффе Российской академии наук | Fiber-optical photoelectric converter of laser radiation |
-
2016
- 2016-06-20 CN CN201620603897.1U patent/CN206117559U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978445A (en) * | 2016-06-20 | 2016-09-28 | 江苏中天科技股份有限公司 | Optical fiber energy supply system based on multi-junction concentrating photovoltaic battery and energy supply method |
| CN105978445B (en) * | 2016-06-20 | 2017-12-15 | 江苏中天科技股份有限公司 | A kind of optical fiber energy supplying system and its energy supply method based on multi-junction condensation photovoltaic cell |
| RU2696355C1 (en) * | 2018-12-25 | 2019-08-01 | Федеральное государственное бюджетное учреждение науки Физико-технический институт им. А.Ф. Иоффе Российской академии наук | Fiber-optical photoelectric converter of laser radiation |
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Granted publication date: 20170419 Effective date of abandoning: 20171215 |