CN105515077A - Laser charging processing method and device - Google Patents
Laser charging processing method and device Download PDFInfo
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- CN105515077A CN105515077A CN201410544044.0A CN201410544044A CN105515077A CN 105515077 A CN105515077 A CN 105515077A CN 201410544044 A CN201410544044 A CN 201410544044A CN 105515077 A CN105515077 A CN 105515077A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The invention provides a laser charging processing method and a device. The method comprises steps that a laser emitter obtains image information of a mobile terminal, determines relative direction information of the mobile terminal by processing the obtained image information, and according to the relative direction information, sends laser charging signals to the mobile terminal so as to allow the mobile terminal to convert the laser charging signals into electric energy signals to be charged. According to the invention, the mobile terminal is charged by means of the provided method, so the charging efficiency is high and electromagnetic pollution on environment can be avoided.
Description
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of laser charging process method and apparatus.
Background technology
Along with the development of wireless communication technology, the application of digital equipment especially mobile terminal is more and more extensive, and function gets more and more, and its power consumption is also increasing, thus battery capacity is also increasingly improve.This just proposes many requirements to the charging technique of battery, and the development and progress of charging technique concentrates on two pieces at present, the raising of first charging rate, and it two is promotion and application of wireless charging.
The size of the raising of charging rate mainly raising charging current, does not technically have large change.Then there is many new technology and invention in wireless charging aspect.Several wireless charging methods main at present mainly contain solar energy, electromagnetic induction and magnetic resonance.Solar recharging mode is difficult to provide larger electric current to export at less volume, is difficult to the requirement of competent quick charge.Electromagnetic induction and magnetic resonance mode can provide higher efficiency and larger output current in very little distance (centimetres) scope, but just sharply decline at the behind efficiency that distance is slightly large, cause output current also to reduce thereupon.
Patent CN20101051565540 discloses a kind of induction charging device, it is made up of two parts: power supply reflector and inducing receiver, when the receiving coil of inducing receiver is placed in the magnetic field of the transmitting coil of power supply reflector, induced voltage will be produced, after rectification, filtering and voltage stabilizing, just can come mobile phone or battery charging with it.Power supply reflector is launched application-specific integrated circuit primarily of a LC resonance ejection loop and an electric energy and is composed in series, inducing receiver is made up of six parts: a LC receiving loop, a low-resistance electronic switch, a voltage-controlled pulsewidth oscillator, a light-operated voltage regulator, one group of internal electric source and one group of out-put supply.This induction charging device transmits electric energy by the mode of electromagnetic induction, achieves contactless battery charging process, not only facilitates the use of the mobile devices such as mobile phone, and the equipment also for being total to unified wireless charging in public occasion is laid a good foundation.
But there is Railway Project in the technical scheme described in foregoing invention:
1, the problem of critical electronic component parameter discreteness.First, critical electronic element used comprises electric capacity and inductance.The value of electric capacity and inductance determines the Frequency point of oscillating circuit.Only completely the same in the frequency of reflector and inductor, time its deviation is negligible, electromagnetic induction can reach higher energy transfer efficiency.And inductance and electric capacity are due to the various factors in production, under normal circumstances, its nominal deviation produced reaches 5%, and this frequency influence for oscillating circuit is bigger than normal, needs in later stage manpower intervention adjustment, is not suitable for batch production.Secondly, the quality factor of reflector and inductor circuit is on the impact of energy transmission efficiency.Only when having higher quality factor, energy just can concentrate on the central point of frequency of oscillation, energy could be allowed so to be better received device induction, thus reach good energy transmission efficiency.And quality factor depends primarily on coil, and inductance capacitance is similar, and the quality factor of coil also exists the deviation of certain limit, also can energy transmission efficiency be caused to decline;
2, temperature is on the impact of key element parameter.Inductance, capacitor element temperature influence and cause its inductance value or capacitance to drift about, thus have influence on energy transmission efficiency;
3, the contradiction of charging current and winding volume.Smart mobile phone charging current generally needs to reach 500mA even 1500mA, if and with 80% efficiency, current requirements for reflector oscillating circuit is exactly 625mA, so large operating current, and the volume of coil will have portability greatly and not very much;
4, the problem that transmission range is inadequate.Electromagnetic induction and magnetic resonance mode can provide higher efficiency (more than 70%) and larger output current in less distance (centimetres) scope, but just sharply decline at the behind efficiency that distance is slightly large, cause the charging current exported also to reduce thereupon.
Above prior art advantage is that cost is lower, and technical bottleneck is that efficiency is too low, and easily generates heat, damage equipment.Microwave charging modes can cause serious electromagnetic pollution simultaneously.
Summary of the invention
The object of the invention is to provide a kind of method and apparatus being realized wireless charging by laser mode.
The embodiment of the present invention provides a kind of laser charging process method and apparatus.
The embodiment of the present invention provides a kind of laser charging process method, comprising:
Generating laser obtains the image information of mobile terminal, by the relative orientation information of processing image information determination mobile terminal;
Described generating laser, according to described relative orientation information, sends laser charging signals to described mobile terminal, converts described laser charging signals to electric power signal charge to make described mobile terminal.
Laser charging process method as above, wherein, described generating laser, to after described mobile terminal sends laser charging signals, also comprises:
Described generating laser receives the stopping charge request message that described mobile terminal sends;
Described generating laser stops sending laser charging signals to described mobile terminal.
Wherein, described generating laser, according to described relative orientation information, before sending laser charging signals, also comprises to described mobile terminal:
When described battery capacity of mobile terminal is lower than the first electricity preset value, described mobile terminal sends laser charge request message to described generating laser;
Described generating laser, according to described relative orientation information, before sending laser charging signals, also comprises: described generating laser, according to described laser charge request message, opens laser charge function to described mobile terminal.
Optionally, described generating laser, according to described relative orientation information, before sending laser charging signals, also comprises to described mobile terminal:
Described generating laser sends charging to generating laser controller and controls request message;
Described generating laser receives described generating laser controller controls request message feedback charging control response message according to described charging;
Described generating laser, according to described charging control response message, opens laser charge function.
Wherein, described generating laser also comprises after opening laser charge function:
Described generating laser, according to described Indication message, cuts out described laser charge function.
The embodiment of the present invention also provides a kind of laser transmitter device, comprising:
Main control module, processes the mobile terminal image information obtained, comprises the relative orientation information of described mobile terminal in described mobile terminal image information;
Laser charging module, for according to described relative orientation information, sends laser charging signals to described mobile terminal, converts described laser charging signals to electric power signal charge to make described mobile terminal.
Wherein, described main control module, also for receiving the stopping charge request message that described mobile terminal sends;
Described laser charging module, also sends laser charging signals for stopping to described mobile terminal.
Described laser transmitter device, also comprises: charge control module, for according to described laser charge request message, opens the laser charge function of described laser charging module.
Described main control module, also controls request message for sending charging to generating laser controller, receives described generating laser controller controls request message feedback charging control response message according to described charging;
Described laser charging module, also for according to described charging control response message, opens laser charge function.
Described laser charging module, also for according to described Indication message, closes described laser charge function.
The embodiment of the present invention also provides a kind of mobile terminal, comprising:
Receiver module, for receiving the laser charging signals that described generating laser sends according to the described relative orientation information of image information acquisition;
Charging module, charges for converting described laser charging signals to electric power signal.
Optionally, can sending module being comprised, stopping charge request message for sending to described generating laser, stop making described generating laser sending laser charging signals.
Described sending module, during specifically for reaching the second electricity preset value when charging, sends to described generating laser and stops charge request message.
The laser charging process method and apparatus that the above embodiment of the present invention provides, on the basis obtaining mobile terminal image information, the relative orientation information of mobile terminal is obtained through calculation process, send laser charging signals to mobile terminal, the function of in the mode of laser, mobile terminal being carried out to laser charging can be realized by Image Information Processing.The laser charging process method adopting the embodiment of the present invention to provide carries out laser charging to mobile terminal, and charge efficiency is high, not easily damage equipment, can not cause electromagnetic pollution to environment simultaneously.
The laser charging device that the embodiment of the present invention provides, can convert electrical energy into luminous energy, outwards send with laser mode; On the holding plane needing the mobile terminal of charging to be placed on it to arrange, can receive the laser launched of this laser charging device institute, and utilize the circuit such as the photodiode of mobile terminal inside to be electric energy by transform light energy, the process of charging is carried out in realization.This charging modes charge efficiency is high, electromagnetic-radiation-free.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1, the present invention utilizes laser transmission mode to replace way of electromagnetic induction to carry out transferring energy, because semiconductor laser utilizes semiconductor substance (namely utilizing electronics) luminous in energy band-to-band transition, there is the characteristic that frequency is accurate, stable, therefore do not exist be similar to electric capacity, inductance component parameter discrete is large and the problem of wave frequency coupling that causes;
2, the present invention's laser generator replaces inductance capacitance oscillating circuit, replace receiving inductor with optical-electrical converter, because work is carried out in the transition of being with of semiconductor laser generator based semiconductor, there is good temperature stability, avoid the frequency of oscillation matching problem because the individual deviation of inductance capacitance device and temperature drift cause;
3, laser of the present invention adopts semiconductor laser, have lightweight, running is reliable, little power consumption, efficiency are high, volume is little, the advantage of good portability, and the wireless chargeable portable power source that can realize as embedded rechargeable battery uses;
4, the laser transmission distance of the present invention's employing, and efficiency of transmission is very little with the decay of transmission range, within 10 meters, the energy loss of laser transmission is less than 1%, and therefore Energy Transfer is little with the loss of distance.
Accompanying drawing explanation
The schematic flow sheet of the laser charging process method that Fig. 1 provides for one embodiment of the invention;
The structural representation of the laser transmitter device that Fig. 2 provides for one embodiment of the invention;
The structural representation of the mobile terminal that Fig. 3 provides for one embodiment of the invention;
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention can be applicable to various communication network.Such as WIFI, GSM, CDMA, UMTS, LTE system, and the various standard such as following evolution.Mobile terminal wirelessly connects with communication network, and is linked into Internet.
The method and apparatus of the embodiment of the present invention can based on the mobile terminal in above-mentioned existing network, and increase laser charging module, by processing the image information got, determine the relative orientation information of mobile terminal, laser charging signals is sent to mobile terminal, to realize the function of by the mode of laser, mobile terminal being carried out to laser charging according to the relative orientation information of mobile terminal.
The schematic flow sheet of the laser charging process method that Fig. 1 provides for one embodiment of the invention, the method for this embodiment is all functions being completed laser charging by generating laser, and as shown in Figure 1, the method comprises:
The laser charge request message that step 101, generating laser mobile terminal receive send;
Concrete, when battery capacity of mobile terminal is lower than the first electricity preset value, as a fixed value X or fixed proportion X%, mobile terminal sends laser charge request message to network, the laser charge request message that generating laser mobile terminal receive sends; Wherein laser charge request initiatively can be initiated by using the user of this mobile terminal, also initiatively can be triggered on backstage by mobile terminal internal applications;
Step 102, generating laser obtain the image information of mobile terminal, and process image information, obtain the relative orientation information of mobile terminal;
Generating laser can obtain the image information of mobile terminal by outside photographic goods or built-in camera function, and the relative orientation information of mobile terminal is obtained by the process of image recognition location algorithm, by the position of this relative orientation information locking mobile terminal, laser charge function can be activated wireless laser charging carried out to it;
Step 103, described generating laser, according to described relative orientation information, send laser charging signals to described mobile terminal, convert described laser charging signals to electric power signal charge to make described mobile terminal.
Concrete, it is realized by the laser charging module in laser transmitter device that described generating laser sends laser charging signals to described mobile terminal.
Laser charging module can convert electrical energy into luminous energy, outwards sends with laser mode, and this module comprises and sends all circuit of charging required for laser beam and transmitting antenna.Wherein energy conversion device adopts laser diode to realize, can at the power of the Distance Transmission more than 1 kilowatt of hundreds of meters.
Energy source wherein can be the various device that can produce electric energy, and such as electric energy can be directed to civil power, also can derive from solar cell.
When mobile terminal receives the laser charging signals of the luminous energy form that this laser charging module sends, the circuit by inside converts described laser charging signals to electric power signal and charges.
The laser charging process method that the embodiment of the present invention provides, generating laser is by obtaining the image information of mobile terminal, and process obtains the relative orientation information of mobile terminal, send laser charging signals to mobile terminal, realize the function of in the mode of laser, mobile terminal being carried out to laser charging.Adopt the laser charge function that the photoelectric conversion mode of this embodiment can realize mobile terminal efficiently, charge efficiency is high, not easily damage equipment, can avoid the electromagnetic radiation to environment simultaneously.
Further, generating laser described in above-described embodiment, to after described mobile terminal sends laser charging signals, also comprises:
Described generating laser receives the stopping charge request message that described mobile terminal sends;
Described generating laser stops sending laser charging signals to described mobile terminal;
When mobile terminal charging reaches the second electricity preset value, as a fixed value Y or fixed proportion Y%, described mobile terminal sends and stops charge request message, generating laser receives the stopping charge request message that mobile terminal sends, namely stop sending laser charging signals to mobile terminal, close the charging to it;
Further, described generating laser, according to described relative orientation information, before sending laser charging signals, also comprises to described mobile terminal:
When described battery capacity of mobile terminal is lower than the first electricity preset value, described mobile terminal sends laser charge request message to described generating laser.
Described generating laser, according to described relative orientation information, before sending laser charging signals, also comprises to described mobile terminal:
Described generating laser, according to described laser charge request message, opens laser charge function.
Concrete, when generating laser receives laser charge request message, first under the triggering of this message, open the laser charge function of laser charging module.
More than control the unlatching of laser charge function or close and can set up separately module and come, also receiving laser charge request message by the baseband processing module in existing equipment, open or close charge function.Or also can directly realize in baseband processing module or laser charging module.
The structural representation of the laser transmitter device that Fig. 2 provides for one embodiment of the invention, the difference of this embodiment and above-described embodiment is, charge control module can be increased, for carrying out the control opening and closing laser charge function to the laser charging module 202 coexisted in generating laser in laser transmitter device.
As shown in Figure 2, this laser transmitter device also comprises:
Charge control module 203, for according to described laser charge request message, opens the laser charge function of described laser charging module 202.
Concrete, main control module 201 also comprises dual-mode antenna in generating laser 100 and baseband processing module, the present embodiment increases charge control module 203 again in the generating laser 100 of above-described embodiment, connects main control module 201 and laser charging module 202 respectively.The laser transmitter device of the present embodiment, by receiving laser charge request message from the baseband processing module existing equipment, opens or closes charge function.Charge control module 203 wherein also can directly realize in baseband processing module or laser charging module 202.
The operation principle of this embodiment is after generating laser 100 receives the laser charge request of mobile terminal 200, solicited message is issued charge control module 203, and charge control module 203 sends to laser charging module 202 the laser charge function that signal opens generating laser 100.
The laser transmitter device of this embodiment, can by the controlling functions of its realization to laser charging module 202 by increasing charge control module 203 based on existing equipment basis in generating laser.
Main control module 201, laser charging module 202, charge control module 203 are all arranged in generating laser 100 by the present embodiment, by original communication network of radio communication, realize the wireless laser charge function to mobile terminal 200 increased.
The structural representation of the mobile terminal that Fig. 3 provides for one embodiment of the invention, as shown in Figure 3, this mobile terminal comprises:
Sending module 301, for sending laser charge request message to generating laser;
The function of this sending module can be added in mobile terminal original transmission signal of communication functional module, also can arrange separately this module and come.
Receiver module 302, for receiving the laser charging signals that described generating laser is sent by the relative orientation information obtained after acquisition mobile terminal Image Information Processing;
Equally, the function of receiver module 302 can be added in the original receiving communication signal functional module of mobile terminal, also can arrange separately this module and come.
Charging module 303, charges for converting described laser charging signals to electric power signal.
The laser charging signals that this charging module 303 specifically can be realized mobile terminal to receive by photodiode converts electric power signal to, and charges to mobile terminal.
Wherein, described sending module 301, also stops charge request message for sending to described generating laser, stops sending laser charging signals to make described generating laser.
Described sending module 301, during specifically for reaching the second electricity preset value when charging, sends to described generating laser and stops charge request message.
The deployment way of each module in the various embodiments described above can do various change, is not limited to the pattern of the various embodiments described above.The mode that the function of each module existing equipment in the wireless network can increase function realizes, and the mode that also can increase separately module realizes.
In sum, the laser charging process method and apparatus that the various embodiments described above of the present invention provide, by the laser charge request message of mobile terminal receive, the basis of image information acquisition and process obtains the relative orientation information of mobile terminal, and send laser charging signals to mobile terminal, the function of in the mode of laser, mobile terminal being carried out to laser charging can be realized.The embodiment of the present invention adopts the laser charge function of photoelectric conversion mode realization to mobile terminal, and charge efficiency is high, not easily damage equipment, easy to use, Energy Transfer distance, can not cause electromagnetic pollution to environment simultaneously.
Last it is noted that above each embodiment is only in order to illustrate the technical scheme of the embodiment of the present invention, be not intended to limit; Although be described in detail the embodiment of the present invention with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the embodiment of the present invention.
Claims (11)
1. a laser charging process method, is characterized in that, comprising: generating laser obtains the image information of mobile terminal, according to the relative orientation information of image information determination mobile terminal; Described generating laser, according to described relative orientation information, sends laser charging signals to described mobile terminal, converts described laser charging signals to electric power signal charge to make described mobile terminal.
2. method according to claim 1, is characterized in that, described generating laser, to after described mobile terminal sends laser charging signals, also comprises: described generating laser receives the stopping charge request message that described mobile terminal sends; Described generating laser stops sending laser charging signals to described mobile terminal.
3. method according to claim 1 and 2, it is characterized in that, described generating laser is according to described relative orientation information, before sending laser charging signals to described mobile terminal, also comprise: when described battery capacity of mobile terminal is lower than the first electricity preset value, described mobile terminal sends laser charge request message to described generating laser.
4. method according to claim 1 and 2, it is characterized in that, described generating laser is according to described relative orientation information, after described mobile terminal sends laser charging signals, also comprise: when described battery capacity of mobile terminal reaches the second electricity preset value, described mobile terminal sends to described generating laser and stops laser charge request message.
5. method according to claim 1 and 2, it is characterized in that, described generating laser according to described relative orientation information, before sending laser charging signals to described mobile terminal, also comprise: described generating laser, according to described laser charge request message, opens laser charge function.
6. a laser transmitter device, is characterized in that, comprising: main control module, for the treatment of obtained mobile terminal image information, comprises the relative orientation information of described mobile terminal in described mobile terminal image information; Laser charging module, for according to described relative orientation information, sends laser charging signals to described mobile terminal,
Convert described laser charging signals to electric power signal to make described mobile terminal to charge.
7. laser transmitter device according to claim 6, is characterized in that, described main control module, also for receiving the stopping charge request message that described mobile terminal sends; Described laser charging module, also sends laser charging signals for stopping to described mobile terminal.
8. laser transmitter device according to claim 6, it is characterized in that, described main control module, also controls request message for sending charging to Laser emission controller, receives described generating laser controller controls request message feedback charging control response message according to described charging; Described laser charging module, also for according to described charging control response message, opens laser charge function.
9. a mobile terminal, is characterized in that, comprising: receiver module, for receiving the laser charging signals that described generating laser sends according to described relative orientation information; Charging module, charges for converting described laser charging signals to electric power signal.
10. mobile terminal according to claim 9, is characterized in that, also comprises: sending module, stops charge request message for sending to described generating laser, stops sending laser charging signals to make described generating laser.
11. mobile terminals according to claim 10, is characterized in that, described sending module, during specifically for reaching the second electricity preset value when charging, send stop charge request message to described generating laser.
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| CN201410544044.0A CN105515077A (en) | 2014-10-15 | 2014-10-15 | Laser charging processing method and device |
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| CN106208422A (en) * | 2016-09-06 | 2016-12-07 | 深圳市乐得瑞科技有限公司 | Wireless charging method and device |
| CN106532986A (en) * | 2016-12-21 | 2017-03-22 | 南方科技大学 | Charging method of charging equipment |
| CN109245335A (en) * | 2017-07-10 | 2019-01-18 | 杭州峙汇科技有限公司 | To light charger |
| CN109842217A (en) * | 2017-11-28 | 2019-06-04 | 北京中诺智电科技有限公司 | A kind of long distance laser wireless charging receiver |
| CN112470363A (en) * | 2019-07-22 | 2021-03-09 | 京瓷株式会社 | Optical fiber power supply system |
| CN114221697A (en) * | 2022-02-21 | 2022-03-22 | 中北大学 | Wireless passive bidirectional laser communication module |
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| CN114221697A (en) * | 2022-02-21 | 2022-03-22 | 中北大学 | Wireless passive bidirectional laser communication module |
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