CN106549511A - Based on the visible laser far-distance wireless charging device for indicating light protection - Google Patents
Based on the visible laser far-distance wireless charging device for indicating light protection Download PDFInfo
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- CN106549511A CN106549511A CN201610962935.7A CN201610962935A CN106549511A CN 106549511 A CN106549511 A CN 106549511A CN 201610962935 A CN201610962935 A CN 201610962935A CN 106549511 A CN106549511 A CN 106549511A
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- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of based on the visible laser far-distance wireless charging device for indicating light protection; the device constitutes solar panel using multiple photovoltaic cell module connection in series-parallel; solution only series connection photovoltaic cell module is when by uneven illumination; current limited causes loss and " hot spot " phenomenon of energy in the minimum light cell of photogenerated current；The laser beam divergent angle of laser instrument output is optimized using laser beam actuator and the uniformity of output laser energy is improved；Using semiconductor laser transmitter or the beam density of diode-pumped solid generating laser, wavelength match with the energy gap width of the photovoltaic cell module of GaAs or InGaAs materials respectively, it is big with photoelectric transformation efficiency, the characteristics of thermal losses is little.The device charge efficiency is high, and energy loss is few, and charging rate is fast, and not by distance limit, charging device overall dimensions are little, and does not result in light pollution and interference to signal of communication as energy transmission form using invisible wave band light wave.
Description
Technical field
The present invention relates to wireless charging technical field, and in particular to a kind of based on the visible laser far-distance for indicating light protection
Wireless charging device.
Background technology
Power transmission has various ways, and most common at present is wired conveying, and charger and electric room must have electricity
Line connects；Can also be carried using accumulator, charge in somewhere and discharge on an other ground；It is exactly wireless charging in addition, it is main at present
Several wireless charging methods wanted mainly have solar energy, microwave, electromagnetic induction and magnetic resonance.
Solar charging is electrically affected by weather, season, angle, and is difficult to provide larger electric current in less volume
Output, it is difficult to the requirement of competent quick charge.Microwave diversity is strong, so that system reception antenna is oversized.Electromagnetism sense
Distance (centimetres) scope that should be with magnetic resonance mode in very little can provide higher efficiency and larger output current, but
It is just drastically to decline apart from slightly larger behind efficiency, causes output current also to reduce therewith.And electromagnetic wave is diverging, is relatively held
Easily it is disturbed, charge efficiency is low, puts troublesome problem, in addition because electromagnetic wave is diverging, electromagnetic radiation is than larger.Although real
Contactless battery charging process is showed, has facilitated the use of the mobile devices such as mobile phone, be unified wireless charging in public arena
The equipment of electricity is laid a good foundation, but haves the shortcomings that transmission range is near, efficiency of transmission is low.With the development of laser technology, swash
The remote energy transmission of light gradually shows its technical advantage, and the energy transmission density of laser system is big, is 100 times of microwave,
Next good directionality, intensity are unrestricted, have certain application in some special dimensions at present.
The intensity of illumination of laser is 500 times of sunlight, and for solaode, (current solaode can be born
1000 times of intensity of illumination) for the more strong not only output of illumination it is bigger, and photoelectric transformation efficiency is higher.Considering other
Under the influence of factor, solaode will be than 1 times of electric energy of multi output under sunlight under laser irradiation.Work as laser in addition
When wavelength is matched with the band gap width of solar cell material, its photoelectric transformation efficiency is imitated apparently higher than the conversion under sunlight
Rate.It is little that the laser irradiation of active can make up solar recharging electric current, the shortcomings of restriction by natural conditions；Overcome electricity again simultaneously
Magnetic induction and magnetic resonance transmission range is near, the low problem of efficiency of transmission.Carried out with laser in place solar energy various non-contacting remote
It will be following study hotspot that journey is powered.
At present, also in bud, in domestic only several patents, " a kind of wireless laser fills laser charging technique
Electrical equipment (CN201110162766.6) ", " wireless charging system (CN201210172781.3) ", " wireless charging processing method and
Equipment (CN201280002607.2) ", the long distance laser charger (CN201410207809.1) of protective measure " have ",
" a kind of laser charging process method and apparatus (CN201410544044.0) ", " long distance laser transmits electric supply installation
201420291770.1 " etc. patent describes the flow process of laser charging in block form an, does not refine to each subsystem；Laser
Wireless power transfer system (CN201310524728.X) describes whole laser charging system, the also explanation in terms of principle with block diagram
The effect of the subsystems of laser charging system and purpose, but lack corresponding mechanical mechanism, Barebone and safeguard protection are arranged
Apply." indoor automatic laser charging system and method (CN20110097652.0) ", " a kind of unmanned plane wireless laser charges and sets
Standby and its charging system (CN201510102715.2) " etc. in terms of machinery, control, communication etc. proposes to realize the side that laser charges
Formula method, but without the specific design with regard to using concrete generating laser and solar panel, more do not have both mutual
Matching obtains the specific embodiment of best photoelectric conversion efficiency.Satellite borne laser wireless energy transfer system
(CN201210593990.5) scheme proposed for the particular/special requirement of space industry, with complicated to Barebone, not only into
This is high, and using complicated, it is desirable to user of service's specialty has high demands.Do not have related solution laser facula uneven simultaneously in scheme
The element of even problem, be only used for the single light cell of laser irradiation, there is provided not high-power energy.
The content of the invention
The invention aims to solve drawbacks described above of the prior art, there is provided a kind of based on visible instruction light protection
Laser far-distance wireless charging device.
The purpose of the present invention can be reached by adopting the following technical scheme that：
It is a kind of to be connect based on the visible laser far-distance wireless charging device for indicating light protection, including Laser emission end and laser
Receiving end, the Laser emission end include：Two-dimentional work bench, generating laser 4, some photoelectric sensors 5；The laser pick-off end
Including：Some visible optical indicators 7, solar panel 8, charging control circuit 9；
The generating laser 4 and the photoelectric sensor 5 are mounted on the two-dimentional work bench, the two-dimentional work
Make platform rotatable in the horizontal direction, can pitching in vertical direction；
The photoelectric sensor 5 is uniformly equally spaced installed on the surrounding of the generating laser 4, and the visible ray is indicated
Device 7 is then uniformly equally spaced installed on the surrounding of the solar panel 8, and the photoelectric sensor 5 and the laser are sent out
The position of emitter 4 is right against the visible optical indicator 7 and the solar panel 8 respectively；
During charging, visible ray is opened and sent to all visible optical indicators 7, only when all photoelectric sensors 5
After the optical signal that the corresponding visible optical indicator 7 is sent can be had correctly received, signal is issued by the photoelectric sensor 5
The connected charging control circuit 9,9 control relay of the charging control circuit are powered, and triggering transmitting terminal is opened laser and sent out
Penetrate laser；
Outside terminal unit is connected with the solar panel 8 by the charging control circuit 9 and receives power supply；
The energy gap of the beam density of the generating laser 4, wavelength and the photovoltaic cell module material of the solar panel 8
Width is matched.
Further, the two-dimentional work bench includes X-axis controlled motor 1, gripper shoe 2 and Y-axis controlled motor 3,
The gripper shoe 2 is used for the installation of the generating laser 4 and fixes, and the X-axis controlled motor 1 and Y-axis control are electric
Machine 3 is respectively used to rotation and the pitching of vertical direction for adjusting 4 horizontal direction of the generating laser.
Further, the laser pick-off end also includes laser beam actuator 6, is fixed on the solaode
8 anterior position of plate, for adjusting laser facula size so that laser facula is evenly radiated into the whole solar panel
On 8.
Further, the laser beam actuator 6 is single element lens or compound lens.
Further, the solar panel 8 is made up of multiple photovoltaic cell module connection in series-parallel.
Further, the generating laser 4 adopts semiconductor laser transmitter or diode-pumped solid laser to send out
Emitter.
Further, the generating laser 4 adopts two pole of 808nm wavelength semiconductors generating laser or 1064nm wavelength
Pipe pumped solid laser emitter.
Further, the solar panel 8 adopts the photovoltaic cell module of GaAs materials or InGaAs materials.
Further, outside terminal unit is connected simultaneously with the solar panel 8 by the charging control circuit 9
Power supply is received, wherein the charging control circuit 9 also carries out voltage stabilizing current limliting with to the electric energy that the solar panel 8 is exported
Function, there is provided stable electric current is exported to outside terminal unit.
The present invention is had the following advantages relative to prior art and effect：
1) it is disclosed by the invention that transmission range is had based on the visible laser far-distance wireless charging device for indicating light protection
Far, the features such as efficiency of transmission height, little reception device, fast charging rate and efficiency high, suitable miniaturized electronics are used.Wireless charging
Electric installation using semiconductor substance (i.e. using electronics) can band-to-band transition light, with more frequency accurately, the characteristic of temperature stabilization.
And efficiency of transmission is with the decay very little of transmission range, within 10 meters, the energy loss of Laser Transmission is less than 1%.
2) it is disclosed by the invention that laser conduct is adopted based on the visible laser far-distance wireless charging device for indicating light protection
Carrier, i.e. transmitting terminal convert electrical energy into laser energy and are transmitted into receiving terminal, and receiving terminal converts a laser into electric energy again.Overcome
Microwave emission and reception device are huge, are not suitable for the portable requirement for using；Turn avoid induction middle inductance capacitor
Frequency of oscillation matching problem caused by part individuality deviation and temperature drift institute.Using invisible wave band light wave as energy transmission
Form, does not result in light pollution and the interference to signal of communication.Can accomplish to be wirelessly transferred, can effectively overcome electromagnetic wave principle again
Defect, realizes that remote-wireless charges.
3) it is disclosed by the invention to be swashed using quasiconductor based on the visible laser far-distance wireless charging device for indicating light protection
Optical transmitting set or diode-pumped solid generating laser are used as wireless charging power supply, with lightweight, operating is reliable,
Little power consumption, efficiency high, small volume, the advantage of good portability.Wherein 808nm wavelength semiconductors generating laser and 1064nm wavelength
The beam density of diode-pumped solid generating laser, wavelength respectively with transfer arsenic (GaAs) material or indium transfers arsenic (InGaAs)
The energy gap width matching of photovoltaic cell module, it is big with photoelectric transformation efficiency, the characteristics of thermal losses is little.
4) it is disclosed by the invention that laser beam is adopted based on the visible laser far-distance wireless charging device for indicating light protection
The uniformity of the laser beam divergent angle and raising output laser energy of actuator optimization laser instrument output.Ensure that hot spot uniformly covers
Cover, and spot size is matched with light cell piece, reach the minimum purpose of light loss.Solve Laser beam energy distribution uneven, lead
Cause light cell receptor inefficiency problem.
5) it is disclosed by the invention that multiple photoelectricity are adopted based on the visible laser far-distance wireless charging device for indicating light protection
Pond plate serioparallel constitutes solar panel, solves only series connection photovoltaic cell module when by uneven illumination, current limited in
The minimum light cell of photogenerated current, causes loss and " hot spot " phenomenon of energy；And then voltage is low there was only light cell in parallel, branch road
Between light-intensity difference the problems such as be likely to result in electric current backflow, optimize circuit connecting mode, it is ensured that light cell not Stimulated Light inhomogeneities
Affect and deviate maximum power point, improve the efficiency of light cell receptor.
6) it is disclosed by the invention that horizontal direction is adopted based on the visible laser far-distance wireless charging device for indicating light protection
It is rotatable, vertical direction can pitching two-dimentional work bench, the two-dimensional freedom of workbench by wireless remote control control, with big
Working range, is accurately controlled accurate.Ensure laser convenient with photovoltaic cell module and accurately para-position, be conducive to layman's
Use.
Description of the drawings
Fig. 1 is the structural representation based on the visible laser far-distance wireless charging device for indicating light protection disclosed by the invention
Figure；
Wherein, 1---X axles controlled motor, 2--- gripper shoes, 3---Y axle controlled motors, 4--- generating lasers, 5--- light
Electric transducer, 6--- laser beam actuators, the visible optical indicators of 7---, 8--- solar panels, 9--- charge controls electricity
Road, 10--- terminal units.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment
As shown in figure 1, present embodiment discloses a kind of based on the visible laser far-distance wireless charging Denso for indicating light protection
Put, the device adopts laser to convert electrical energy into laser energy as carrier, i.e. transmitting terminal and is transmitted into receiving terminal, and receiving terminal again will
Laser is converted into electric energy.Overcome Microwave emission and reception device is huge, be not suitable for the portable requirement for using；Turn avoid electricity
The caused frequency of oscillation matching problem of inductance capacitance device individuality deviation and temperature drift institute in magnetic inductive.Using invisible
Wave band light wave does not result in light pollution and the interference to signal of communication as energy transmission form.Can accomplish to be wirelessly transferred, and
Electromagnetic wave principle defect can effectively be overcome, realize that remote-wireless charges.
The laser far-distance wireless charging device by the X-axis controlled motor 1 of transmitting terminal, gripper shoe 2, Y-axis controlled motor 3,
The laser beam actuator 6 of generating laser 4, photoelectric sensor 5 and receiving terminal, visible optical indicator 7, solar panel
8th, charging control circuit 9 is constituted.
One two-dimentional work bench is constituted by X-axis controlled motor 1, gripper shoe 2, Y-axis controlled motor 3, for generating laser 4
Installation is fixed and rotation, the pitching of vertical direction of horizontal direction, it is ensured that the bidimensional degree of freedom of laser, be easy to catching for laser
Obtain.X-axis controlled motor and Y-axis controlled motor (two motors) can pass through the electric terminal bluetooth control such as Digiplex or mobile phone
System, for being quick and precisely aligned for laser and solar panel.
It is in concrete application, rotatable using horizontal direction, vertical direction can pitching two-dimentional work bench, the two dimension of workbench
Degree of freedom, is accurately controlled accurate with wide working range by wireless remote control control.Ensure that laser is convenient with photovoltaic cell module
And accurately para-position, be conducive to the use of layman.
Some photoelectric sensors 5 are uniformly equally spaced installed on 4 surrounding of generating laser, and some visible optical indicators 7 are then
8 surrounding of solar cell energy plate, 7 quantity phase of the photoelectric sensor 5 and the visible optical indicator are equally spaced installed on uniformly
Together, and setting is corresponded, for shielding, it is to avoid personnel are damaged in swarming into laser in charging process.
During charging, all visible optical indicators 7 open visible ray, only when all photoelectric sensors 5 can have correctly received
After the optical signal that corresponding visible optical indicator 7 is sent, it is ensured that, just to laser pickoff, photoelectric sensor 5 will for generating laser
Signal issues charging control circuit 9, and 9 control relay of charging control circuit is powered, and opens Laser emission laser.Laser is charging
During, if the photoelectric sensor of any position 5 is not received by visible light signal, illustrate that possible someone is strayed into laser light photograph
In, now, 9 control relay power-off of charging control circuit so that normally opened contact disconnect, return control signal to transmitting terminal immediately
Generating laser 4 is closed, until photoelectric sensor 5 recovers to receive the optical signal that visible optical indicator 7 is sent, can be just again turned on
Generating laser 4.
Outside terminal unit 10 is connected with the solar panel 8 by the charging control circuit 9 and receives confession
Electricity, wherein charging control circuit 9 also with the function that voltage stabilizing current limliting is carried out to the electric energy that the solar panel 8 is exported, are carried
Export to outside terminal unit for stable electric current.
8 anterior position of solar panel is provided with laser beam actuator 6, for adjusting laser facula size so that
Laser facula is substantially homogeneously irradiated on whole solar panel 8, occur without hot spot it is too small with respect to solar panel 8 or
The excessive phenomenon of person.This ensures that solar panel 8 is neither overheated under the irradiation of light laser emitter and damage；Again
Will not hot spot is excessive wastes beyond 8 range of receiving of solar panel, reduce intensity of illumination so as to charging current declines；Also keep away
Laser facula size is just adjusted when having exempted from laser emitting, is expanded the angle of divergence, is caused laser in the loss of transmitting procedure, improve biography
Defeated distance.
Laser beam actuator 6 can be single element lens, or compound lens.
In concrete application, the laser beam divergent angle of laser instrument output is optimized using laser beam actuator and output is improved
The uniformity of laser energy.Ensure hot spot uniform fold, and spot size is matched with light cell piece, reach light loss minimum
Purpose.Solve Laser beam energy distribution uneven, cause light cell receptor inefficiency problem.
Solar panel 8 is made up of multiple photovoltaic cell module connection in series-parallel, for overcoming laser light uneven according to Energy distribution,
Cause light cell receptor inefficiency problem, solar panel 8 that laser signal is changed into the signal of telecommunication, the signal of telecommunication is by filling
The boosting voltage stabilizing of electric control circuit 9 is amplified, and realizes that the long distance wireless of terminal unit 10 charges.
In concrete application, solar panel is constituted using multiple photovoltaic cell module connection in series-parallel, solve only series connection light cell
When by uneven illumination, current limited causes the loss of energy and " hot spot " existing in the minimum light cell of photogenerated current to plate
As；And light cell only in parallel then voltage is low, the problems such as between branch road, light-intensity difference is likely to result in electric current backflow, optimization circuit connection
Mode, it is ensured that Stimulated Light inhomogeneities do not affect and deviate maximum power point light cell, improve the efficiency of light cell receptor.
Concrete application, obtains optimal photoelectricity for considering that both concrete generating laser and solar panel are mutually matched
The purpose of design of conversion efficiency, using semiconductor laser transmitter or diode-pumped solid generating laser as wireless charging
Power supply is used, with lightweight, operating reliability, little power consumption, efficiency high, small volume, the advantage of good portability.Wherein 808nm
The beam density of wavelength semiconductor generating laser and 1064nm wavelength diode pumped solid laser emitters, wavelength respectively with
The energy gap width for transferring the photovoltaic cell module that arsenic (GaAs) material and indium transfer arsenic (InGaAs) material is matched, with photoelectric transformation efficiency
Greatly, the characteristics of thermal losses is little.
In sum, the laser far-distance wireless charging device based on visible instruction light protection proposed by the present invention has and fills
Electrical efficiency is high, and energy loss is few, and charging rate is fast, and not by distance limit, charging device overall dimensions are little, can be outer any indoors
Position is charged, easy-to-use, and using invisible wave band light wave as energy transmission form, do not result in light pollution and
Interference to signal of communication.Visible ray protection system is installed simultaneously, it is ensured that the personal security in charging process.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention not by above-described embodiment
Limit, other any spirit without departing from the present invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of based on the visible laser far-distance wireless charging device for indicating light protection, including Laser emission end and laser pick-off
End, it is characterised in that the Laser emission end includes：Two-dimentional work bench, generating laser (4), some photoelectric sensors (5)；
The laser pick-off end includes：Some visible optical indicators (7), solar panel (8), charging control circuit (9)；
The generating laser (4) and the photoelectric sensor (5) are mounted on the two-dimentional work bench, the two-dimentional work
Make platform rotatable in the horizontal direction, can pitching in vertical direction；
The photoelectric sensor (5) is uniformly equally spaced installed on the surrounding of the generating laser (4), and the visible ray is indicated
Device (7) is then uniformly equally spaced installed on the surrounding of the solar panel (8), the photoelectric sensor (5) and described
The position of generating laser (4) is right against the visible optical indicator (7) and the solar panel (8) respectively；
During charging, visible ray is opened and sent to all visible optical indicators (7), only when all photoelectric sensors (5)
After the optical signal that the corresponding visible optical indicator (7) is sent can be had correctly received, the photoelectric sensor (5) is by signal
The connected charging control circuit (9) is issued, charging control circuit (9) control relay is powered, triggering transmitting terminal is opened
Open Laser emission laser；
Outside terminal unit is connected with the solar panel (8) and receives power supply by the charging control circuit (9)；
The energy gap of the beam density of the generating laser (4), wavelength and the photovoltaic cell module material of the solar panel (8)
Width is matched.
2. according to claim 1 based on the visible laser far-distance wireless charging device for indicating light protection, its feature exists
In, the two-dimentional work bench includes X-axis controlled motor (1), gripper shoe (2) and Y-axis controlled motor (3),
The gripper shoe (2) is fixed for the installation of the generating laser (4), and the X-axis controlled motor (1) and Y-axis are controlled
Motor (3) is respectively used to rotation and the pitching of vertical direction for adjusting the generating laser (4) horizontal direction.
3. according to claim 1 a kind of based on the visible laser far-distance wireless charging device for indicating light protection, which is special
Levy and be,
The laser pick-off end also includes laser beam actuator (6), is fixed on position in front of the solar panel (8)
Put, for adjusting laser facula size so that laser facula is evenly radiated on the whole solar panel (8).
4. according to claim 3 based on the visible laser far-distance wireless charging device for indicating light protection, its feature exists
In,
The laser beam actuator (6) is single element lens or compound lens.
5. according to claim 1 a kind of based on the visible laser far-distance wireless charging device for indicating light protection, which is special
Levy and be,
The solar panel (8) is made up of multiple photovoltaic cell module connection in series-parallel.
6. according to claim 1 based on the visible laser far-distance wireless charging device for indicating light protection, its feature exists
In,
The generating laser (4) is using semiconductor laser transmitter or diode-pumped solid generating laser.
7. according to claim 6 based on the visible laser far-distance wireless charging device for indicating light protection, its feature exists
In,
The generating laser (4) is using 808nm wavelength semiconductors generating laser or 1064nm wavelength diode pumped solids
Generating laser.
8. according to claim 1 based on the visible laser far-distance wireless charging device for indicating light protection, its feature exists
In,
The solar panel (8) is using GaAs materials or the photovoltaic cell module of InGaAs materials.
9. according to claim 1 a kind of based on the visible laser far-distance wireless charging device for indicating light protection, which is special
Levy and be,
Outside terminal unit is connected with the solar panel (8) by the charging control circuit (9) and receives power supply,
Wherein described charging control circuit (9) is also with the work(that voltage stabilizing current limliting is carried out to the electric energy that the solar panel (8) is exported
Can, there is provided stable electric current is exported to outside terminal unit.
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| CN108599398A (en) * | 2018-03-30 | 2018-09-28 | 中国科学院长春光学精密机械与物理研究所 | A kind of Tracking and pointing system of laser transmission |
| CN109167241A (en) * | 2018-09-18 | 2019-01-08 | 深圳市杰普特光电股份有限公司 | The control circuit of laser |
| CN110120577A (en) * | 2019-05-21 | 2019-08-13 | 中国联合网络通信集团有限公司 | The mounting device and installation method of antenna |
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Application publication date: 20170329 |