CN105896748B - Multiple receiving end dispatching methods in radiant type radio energy transmission system - Google Patents
Multiple receiving end dispatching methods in radiant type radio energy transmission system Download PDFInfo
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Abstract
The invention discloses multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system, it include: that the receiving end for carrying out energy transmission is statistically being accessed in an energy transmission period, and according to the current electric quantity and range information of receiving end, carry out priority calculating, it sorts from high to low according still further to priority, forms transmission queue；For remaining receiving end, priority calculating is carried out in the same way, and sort from high to low according to priority, the queue to be transmitted such as formation；To transmission queue and the receiving end in queue to be transmitted is waited to be adjusted according to each receiving end current electric quantity；In each time slot of present energy transmission cycle, position, expectation power and the transmission frequency of each receiving end in the corresponding transmission queue adjusted of each time slot are obtained, and energy is transmitted to receiving end according to the information of acquisition.This method realizes orderly management and scheduling of the transmitting terminal to multiple receiving ends while guaranteeing energy transmission efficiency and receiving end is avoided to be in low battery.
Description
Technical field
The present invention relates to more in wireless power transmission technical field more particularly to a kind of radiant type radio energy transmission system
A receiving end dispatching method.
Background technique
Wireless energy transfer (Wireless Power Transfer, WPT), refers to one of electric energy from power supply to load
Kind is without the energy transmission mode by electrically directly contacting.According to transporting mechanism difference, wireless energy transfer can mainly divide
To be induction, magnetic field resonance type, radiant type.Wherein radiant type can be divided into radio wave mode, microwave mode, laser side again
Formula and ultrasonic wave mode.
21 century, facing mankind realize economy and society sustainable development significant challenge, environment and energy problem are
Have become one of the outstanding problem in the whole world.The existing energy how is effectively utilized, the extensive concern of scholars has been caused.Newly
The power storage and transmission technology of type, such as flying wheel battery, super capacitor and wireless power transmission technology are to realize high efficiency of energy
The important channel utilized.
The wireless charging standard of mainstream has three categories: Qi standard, Power Matters Alliance (PMA) standard,
Alliance for Wireless Power ((A4WP) standard.Qi standard and PMA standard are based on electromagnetic induction technology,
A4WP standard is based on mr techniques.Radiant type wireless power transmission technology, relative to electromagnetic induction and mr techniques,
With farther transmission range and better convenience, there is very big researching value and application prospect, passed especially for wireless
Feel network.Which mainly uses microwave band to carry out electric energy transmission.Microwave is wavelength between radio wave and infrared ray
Electromagnetic wave.Since frequency is higher, ionosphere can be passed through without reflecting.Cosmic space is very ideal to microwave transmission, several
There is no energy loss, loss when passing through atmosphere is about 2%.Microwave power transmission utilizes electromagnetic radiation principle, is sent out by power supply
Industrial-frequency alternating current is transformed into microwave by microwave transducers, then is sent to space by the microwave transmitting antenna of transmitting terminal by electric power,
It is then communicated to terrestrial microwave receiving end, the microwave received passes through converter for wavelet transform at industrial-frequency alternating current, for user
It uses.However, existing mainstream standard technology is not directed to the standard control protocol of radiant type wireless power transmission.
Summary of the invention
The object of the present invention is to provide multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system, are protecting
While demonstrate,proving energy transmission efficiency and receiving end is avoided to be in low battery state, realize transmitting terminal to the orderly pipe of multiple receiving ends
Reason and scheduling.
The purpose of the present invention is what is be achieved through the following technical solutions:
Multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system, comprising:
The receiving end for carrying out energy transmission, and working as according to receiving end are statistically being accessed in an energy transmission period
Preceding electricity and range information carry out priority calculating, are ranked up from high to low according still further to priority, form transmission queue；
For other remaining receiving ends, carry out priority calculating in the same way, and according to priority from height to
It is low to be ranked up, the queue to be transmitted such as formation；
Using scheduled mode, team to be transmitted to transmission queue and is waited according to each receiving end current electric quantity and priority
Receiving end in column is adjusted；
In each time slot of present energy transmission cycle, obtain each in the corresponding transmission queue adjusted of each time slot
Position, expectation power and the transmission frequency information of receiving end, and connect by directional aerial to corresponding according to the information of acquisition
Receiver-side transmission energy.
Further, the formula that the priority calculates are as follows:
Wherein, pry (k) indicates k-th of receiving end UkPriority, prymaxIndicate absolute maximum priority, pryminTable
Show absolutely minimum priority, D (k) indicates k-th of receiving end UkDistance apart from base station, D indicate that the wireless energy of transmitting terminal passes
Defeated coverage area；L (k) indicates k-th of receiving end UkCurrent electric quantity, l indicate setting minimum power threshold, d indicate setting
Receiving end maximum distance threshold value.
Further, described to use scheduled mode, according to each receiving end current electric quantity and priority to transmission queue
And it waits the receiving end in queue to be transmitted to be adjusted and includes:
By in the queue to be transmitted such as described, calculating priority according to current electric quantity and range information is prymaxReception
End will be added transmission queue and carry out priority ranking, if after the receiving end is added, transmitting receiving end number in queue and exceeding model
It encloses, then will transmit the minimum receiving end of priority in queue and remove transmission queue being added to etc. in queue to be transmitted；
And when transmitting in queue there are when the receiving end that current electric quantity is Full Charge Capacity, corresponding receiving end is removed and is passed
Defeated queue, and according to etc. the receiving end that the sequence of priority from high in the end takes out respective numbers in queue to be transmitted be added to transmission
Queue.
As seen from the above technical solution provided by the invention, energy transmission is carried out based on information about power and range information
Priority calculates, and the adjustment of receiving end is carried out based on information about power and priority, avoids receiving end work in low battery state
And while guarantee energy transmission efficiency, realize orderly management and scheduling of the transmitting terminal to multiple receiving ends.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that time division multiple acess provided in an embodiment of the present invention transmits energy diagram；
Fig. 2 is multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system provided in an embodiment of the present invention
Flow chart；
Fig. 3 is the schematic diagram of multiple receiving end dispatching methods provided in an embodiment of the present invention；
Fig. 4 is that the scene of the radiant type radio energy transmission system provided in an embodiment of the present invention comprising multiple receiving ends is shown
It is intended to.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
Radiant type wireless power transmission technology, be by advanced directional aerial receive and dispatch microwave beam energy, receiving end according to
By high-performance reception and commutation technique, longer-distance wireless power transmission is realized.This technology, relative to electromagnetic induction and magnetic
Resonance technique has farther transmission range and better convenience, has very big researching value and application prospect.
In radiant type radio energy transmission system, a transmitting terminal usually will transmit energy for multiple receiving ends.In order to
It realizes management and scheduling of the transmitting terminal to multiple receiving ends, preferably transmission energy service is provided.It is more that the present invention provides one kind
A receiving end dispatching method, devises energy transmission priority, is guaranteeing energy transmission efficiency and receiving end is avoided to be in low electricity
While amount state, orderly scheduling of the transmitting terminal to multiple receiving ends is realized.
The present invention is realized a transmitting terminal while being provided wireless energy biography for multiple receiving ends by the way of time division multiple acess
It is defeated.
As shown in Figure 1, a wireless energy transfer cycle T is divided into n time slot.So transmitting terminal at most can be with n
Receiving end simultaneous transmission energy.When transmitting terminal does not have an extra energy transmission resource, the receiving end of request transmission energy need into
Enter to wait.In each time slot, transmitting terminal corresponds to the position of receiving end, expectation transimission power, transmission frequency according to current time slots
Etc. information, pass through directional aerial directional transmissions wireless energy.
In order to realize to transmission receiving end and etc. receiving end to be transmitted management and running, the embodiment of the present invention defines two
A queue.
First is queue 1, also referred to as in transmission queue, for transmitting receiving end when an energy transmission period starts
Sequence, transmitting terminal corresponds to the transmission energy acceptance end of each time slot with this queue.
Second is queue 2, the queue to be transmitted such as also referred to as, for etc. receiving end to be transmitted opened an energy transmission period
The sequence when beginning passes through queue 2 and selects receiving end access transmission queue when transmitting terminal has available resources.
For the sequence of two queues of specification, next defines receiving end energy transmission priority and priority calculates public affairs
Formula.Main contents are as follows:
1) in queue 1, the higher receiving end of the priority slot transmission energy more preceding in the energy transmission period；In queue 2,
Preferential higher receiving end priority access when can access progress energy transmission.
2) transmission priority of receiving end is calculated according to the current electric quantity and range information of receiving end and is obtained.
3) priority is dynamic, after each energy transmission end cycle, according to the electricity of each receiving end feedback and away from
From information, priority is recalculated and distributed.
The formula that the priority calculates are as follows:
Wherein, pry (k) indicates k-th of receiving end UkPriority, prymaxIndicate absolute maximum priority, pryminTable
Show absolutely minimum priority, D (k) indicates k-th of receiving end UkDistance apart from base station, D indicate that the wireless energy of transmitting terminal passes
Defeated coverage area；L (k) indicates k-th of receiving end UkCurrent electric quantity, l indicate setting minimum power threshold, d indicate setting
Receiving end maximum distance threshold value.
In the embodiment of the present invention, process such as Fig. 2 of multiple receiving end dispatching methods in radiant type radio energy transmission system
It is shown, it specifically includes that
Step 21 is statistically accessing the receiving end for carrying out energy transmission in an energy transmission period, and according to connecing
The current electric quantity and range information of receiving end carry out priority calculating, are ranked up from high to low according still further to priority, form transmission
Queue.
Wherein, the current electric quantity of receiving end and range information are all to be fed directly to transmitting terminal by receiving end.
Step 22, for other remaining receiving ends, carry out priority calculating in the same way, and according to priority
It is ranked up from high to low, the queue to be transmitted such as formation.
Step 23, using scheduled mode, to transmission queue and waited according to each receiving end current electric quantity and priority
Receiving end in queue to be transmitted is adjusted.
Specifically: by the queue to be transmitted such as described, calculating priority according to current electric quantity and range information is prymax
Receiving end by be added transmission queue carry out priority ranking, if after the receiving end is added, transmit queue in receiving end number
It goes beyond the scope, then will transmit the minimum receiving end of priority in queue and remove transmission queue being added to etc. in queue to be transmitted；With
And when transmitting in queue there are when the receiving end that current electric quantity is Full Charge Capacity, corresponding receiving end is removed into transmission queue, and press
According to etc. the receiving end that the sequence of priority from high in the end takes out respective numbers in queue to be transmitted be added to transmission queue.
Step 24, each time slot in present energy transmission cycle obtain the corresponding transmission team adjusted of each time slot
The position of each receiving end in column, expectation power and transmission frequency information, and according to the information of acquisition by directional aerial to
Transmit energy in corresponding receiving end.
In order to more get information about multiple receiving end scheduling and energy transport, also reference can be made to Fig. 3.
It is illustrated below with reference to specific example process described in Fig. 2.
As shown in figure 4, the scene of the radiant type radio energy transmission system comprising multiple receiving ends.Receiving end passes through capture
The energy of wireless energy transmission Base Transmitter charges.Assuming that transmitting terminal maximum can be n receiving end simultaneous transmission energy.When
It is covered in transmission energy range in transmitting terminal, the receiving end number that need to carry out energy transmission is n+m.Transmitting terminal is to these receptions
Hold energy transmission dispatching method as follows:
After a charge cycle, n receiving end of charging is being accessed, the current electric quantity fed back according to receiving end
And range information, it is calculated each by priority formula in the priority of transmission receiving end, is according to priority arranged in one in team
Column 1；For other m receiving end, then according to receiving end current electric quantity and distance, calculated by priority formula each etc. waiting
The priority of receiving end is according to priority arranged in a queue 2, if occurring priority in m receiving end is prymaxReception
End carries out priority arrangement then the receiving end will be added in queue 1, excellent if receiving end number is n+1 in queue at this time 1
The minimum user of first grade will be moved out of queue 1, and queue 2 is added and arranges；When there are receiving end energy acceptances to have expired in queue 1, then
Corresponding receiving end is removed into queue 1, the receiving end of highest priority in queue 2 is then moved into queue 1；Determine 1 He of queue
After queue 2, transmitting terminal is based on queue 1, in each time slot in energy transmission period, obtains the position of the corresponding receiving end of time slot,
It is expected that the information such as power, then transmit energy to the receiving end by directional aerial according to these information.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment can
The mode of necessary general hardware platform can also be added to realize by software by software realization.Based on this understanding,
The technical solution of above-described embodiment can be embodied in the form of software products, which can store non-easy at one
In the property lost storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (2)
1. multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system characterized by comprising
The receiving end for carrying out energy transmission is statistically being accessed in an energy transmission period, and according to the current electricity of receiving end
Amount and range information carry out priority calculating, are ranked up from high to low according still further to priority, form transmission queue；
For other remaining receiving ends, carry out priority calculating in the same way, and according to priority from high to low into
Row sequence, the queue to be transmitted such as formation；
Using scheduled mode, to transmission queue and waited in queue to be transmitted according to each receiving end current electric quantity and priority
Receiving end be adjusted；
In each time slot of present energy transmission cycle, each reception in the corresponding transmission queue adjusted of each time slot is obtained
Position, expectation power and the transmission frequency information at end, and directional aerial is passed through to corresponding receiving end according to the information of acquisition
Transmit energy；
Wherein, the formula that the priority calculates are as follows:
Wherein, pry (k) indicates k-th of receiving end UkPriority, prymaxIndicate absolute maximum priority, pryminIndicate absolute
Minimum priority, D (k) indicate k-th of receiving end UkDistance apart from base station, D indicate the wireless energy transfer covering of transmitting terminal
Range；L (k) indicates k-th of receiving end UkCurrent electric quantity, l indicate setting minimum power threshold, d indicate setting reception
Hold maximum distance threshold value.
2. multiple receiving end dispatching methods in a kind of radiant type radio energy transmission system according to claim 1, special
Sign is, described to use scheduled mode, to transmission queue and is waited to be passed according to each receiving end current electric quantity and priority
Receiving end in defeated queue, which is adjusted, includes:
By in the queue to be transmitted such as described, calculating priority according to current electric quantity and range information is prymaxReceiving end, will
The laggard row major grade sequence of transmission queue is added in it, if after the receiving end is added, transmitting receiving end number in queue and exceeding model
It encloses, then will transmit the minimum receiving end of priority in queue and remove transmission queue, be added to etc. in queue to be transmitted；
And when transmitting in queue there are when the receiving end that current electric quantity is Full Charge Capacity, corresponding receiving end is removed into transmission team
Column, and according to etc. the receiving end that the sequence of priority from high in the end takes out respective numbers in queue to be transmitted be added to transmission team
Column.
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| CN108075579B (en) * | 2017-04-07 | 2020-01-07 | 中惠创智无线供电技术有限公司 | Wireless power supply system capable of being intelligently paired and power supply method |
| CN112188636B (en) * | 2019-07-01 | 2023-04-07 | 中国移动通信集团浙江有限公司 | User scheduling method and device and transmission base station |
| CN116963005A (en) * | 2022-10-25 | 2023-10-27 | 国网山东省电力公司莘县供电公司 | Wireless energy transmission scheduling device based on ubiquitous Internet of things signal |
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| CN104124771A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Method and device for multi-coil wireless electric energy transmission |
| CN104124773A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Array type wireless power transmitting system and locating method of receiving end of same |
| CN104393688A (en) * | 2014-11-13 | 2015-03-04 | 镇江博联电子科技有限公司 | Wireless charging device with charging priority judging function and charging method of wireless charging device |
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| US9772401B2 (en) * | 2014-03-17 | 2017-09-26 | Qualcomm Incorporated | Systems, methods, and apparatus for radar-based detection of objects in a predetermined space |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066709A (en) * | 2013-01-30 | 2013-04-24 | 江苏华英光宝科技股份有限公司 | Multi-receiving-end magnetic coupling wireless energy transmission system |
| CN104124771A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Method and device for multi-coil wireless electric energy transmission |
| CN104124773A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Array type wireless power transmitting system and locating method of receiving end of same |
| CN104393688A (en) * | 2014-11-13 | 2015-03-04 | 镇江博联电子科技有限公司 | Wireless charging device with charging priority judging function and charging method of wireless charging device |
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