CN108512317A - Determine the method and device of electric energy receiving terminal number in radio energy transmission system - Google Patents
Determine the method and device of electric energy receiving terminal number in radio energy transmission system Download PDFInfo
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- CN108512317A CN108512317A CN201810291851.4A CN201810291851A CN108512317A CN 108512317 A CN108512317 A CN 108512317A CN 201810291851 A CN201810291851 A CN 201810291851A CN 108512317 A CN108512317 A CN 108512317A
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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Abstract
An embodiment of the present invention provides a kind of method and device of electric energy receiving terminal number in determining radio energy transmission system, method includes：Determine electric energy transmitting terminal and electric energy receiving terminal to be taken in Target Wireless electric energy Transmission system to be designed；Based on electric energy transmitting terminal and electric energy receiving terminal, the corresponding circuit model of Target Wireless electric energy Transmission system is determined；The coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal in counting circuit model, and calculate the loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal；Based on the coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula being calculated, the value of N is calculated.Electric energy receiving terminal number in radio energy transmission system is determined using the embodiment of the present invention, can improve the electric energy transmission performance of the radio energy transmission system.
Description
Technical field
The present invention relates to energy transmission technology fields, more particularly to electric energy receiving terminal in determining radio energy transmission system
The method and device of number.
Background technology
Include usually that there are one electric energy to send in wireless power transmission (wireless power transfer, WPT) system
End and multiple electric energy receiving terminals.Electric energy transmitting terminal can be received by the electric energy of non-electric wire, non-contacting method into the system
Hold simultaneous transmission electric energy so that electric energy transmission is more flexible, safer.
Inventor has found, when the number of electric energy receiving terminal in radio energy transmission system is more, the energy of the system passes
Defeated efficiency is higher, but the energy (i.e. output power) received by each electric energy receiving terminal is smaller.And it is wireless in design at present
When electric energy transmission system, usually arbitrarily the number of setting electric energy receiving terminal, this kind of design method can not balance the energy of the system
The output power of efficiency of transmission and each electric energy receiving terminal.
Invention content
The embodiment of the present invention is designed to provide electric energy receiving terminal number in a kind of determining radio energy transmission system
Method and device, to balance the output of the energy transmission efficiency and each electric energy receiving terminal in the system of radio energy transmission system
Power, to improve the electric energy transmission performance of the system.
In a first aspect, an embodiment of the present invention provides electric energy receiving terminal numbers in a kind of determining radio energy transmission system
Method, this method may include：
Determine electric energy transmitting terminal and electric energy receiving terminal to be taken in Target Wireless electric energy Transmission system to be designed；
Based on electric energy transmitting terminal and electric energy receiving terminal, the corresponding circuit model of Target Wireless electric energy Transmission system is determined；Its
In, circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
The coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal in counting circuit model, and calculate electric energy transmitting terminal and
The loaded quality factor of each electric energy receiving terminal；
Based on the coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula being calculated, meter
Calculate the value of N；Wherein, the first receiving terminal number calculation formula is to be based on preset energy transmission efficiency gain coefficient and output work
What rate gain coefficient determined, the absolute value of the difference of energy transmission efficiency gain coefficient and output power gain coefficient, which is less than, to be preset
Threshold value.
Optionally, based on the coefficient of coup, loaded quality factor and preset first receiving terminal number meter being calculated
After the step of calculating formula, calculating the value of N, method can also include：
Based on the N values being calculated, judge whether the output power of each electric energy receiving terminal in N number of electric energy receiving terminal is small
In the minimum output power of corresponding electric energy receiving terminal；
If there are the minimum output power that the output power of receiving terminal is less than corresponding electric energy receiving terminal, preset second is utilized
The calculated value of receiving terminal number calculation formula updates the N values being calculated.
Optionally, the first receiving terminal number calculation formula is：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；λ is preset energy transmission efficiency
Gain coefficient；μ is preset output power gain coefficient；K be based on electric energy transmitting terminal in Target Wireless electric energy Transmission system with
The equivalent coupled coefficient that the coefficient of coup of electric energy receiving terminal is calculated；Q is based on electric energy in Target Wireless electric energy Transmission system
The loaded quality factor that the loaded quality factor of receiving terminal determines；QsEmit for electric energy in Target Wireless electric energy Transmission system
The loaded quality factor at end.
Optionally, obtain the first receiving terminal number calculation formula the step of, may include：
The output power of each electric energy receiving terminal in preset radio energy Transmission system is calculated, and calculates preset radio energy
The energy transmission efficiency of Transmission system；Wherein, preset radio energy Transmission system includes X identical electric energy receiving terminals；
It calculates when identical electric energy receiving terminal a there are X in preset radio energy Transmission system, relative to when default nothing
There are when single electric energy receiving terminal in line electric energy transmission system, the energy transmission efficiency gain of preset radio energy Transmission system；
It calculates when identical electric energy receiving terminal a there are X in preset radio energy Transmission system, relative to when default nothing
There are when single electric energy receiving terminal in line electric energy transmission system, the output work of electric energy receiving terminal in preset radio energy Transmission system
Rate gain；
Based on energy transmission efficiency gain, output power gain, energy transmission efficiency gain coefficient and output power gain
Coefficient generates energy transmission efficiency-output power and combines gain coefficient calculation formula；
Combine gain coefficient calculation formula based on energy transmission efficiency-output power, obtains and calculate the maximum value that X can be got
Intermediate computations formula；
Based on intermediate computations formula, it is converted to the first receiving terminal number calculation formula.
Optionally, energy transmission efficiency-output power joint gain coefficient calculation formula can be：
Wherein, G is that energy transmission efficiency-output power combines gain coefficient；GηFor energy transmission efficiency gain；GPIt is defeated
Go out power gain；ηX-loadFor when, there are when X identical electric energy receiving terminals, being preset wireless in preset radio energy Transmission system
The energy transmission efficiency of electric energy transmission system；η1-loadTo work as, there are single electric energy receiving terminals in preset radio energy Transmission system
When, the energy transmission efficiency of preset radio energy Transmission system；PX-loadTo work as, there are X in preset radio energy Transmission system
When identical electric energy receiving terminal, the output power of X electric energy receiving terminal in preset radio energy Transmission system；P1-loadTo work as
There are when single electric energy receiving terminal in preset radio energy Transmission system, the electric energy receiving terminal in preset radio energy Transmission system
Output power；K' is that the coefficient of coup based on electric energy transmitting terminal in preset radio energy Transmission system and electric energy receiving terminal calculates
Obtained equivalent coupled coefficient；Q' is the loaded quality factor determination based on electric energy receiving terminal in preset radio energy Transmission system
Obtained loaded quality factor；Qs' for the loaded quality factor of electric energy transmitting terminal in preset radio energy Transmission system；vs' it is pre-
If the normalization input voltage of electric energy transmitting terminal in radio energy transmission system.
Optionally, the second receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；RsIt is transmitted for Target Wireless electric energy and is
The resistance value of electric energy transmitting terminal in system；VsFor the input voltage of electric energy transmitting terminal in Target Wireless electric energy Transmission system；PthTo work as
There are when N number of electric energy receiving terminal, enable in N number of electric energy receiving terminal each electric energy receiving terminal just in Target Wireless electric energy Transmission system
The minimum output power often to work.
Second aspect, the embodiment of the present invention additionally provide electric energy receiving terminal number in a kind of determining radio energy transmission system
Device, which may include：
First determination unit, for determining that electric energy to be taken in Target Wireless electric energy Transmission system to be designed is sent
End and electric energy receiving terminal；
Second determination unit determines Target Wireless electric energy Transmission system for being based on electric energy transmitting terminal and electric energy receiving terminal
Corresponding circuit model；Wherein, circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
First computing unit is used for the coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal in counting circuit model,
And calculate the loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal；
Second computing unit, for being received based on the coefficient of coup, the loaded quality factor and preset first that are calculated
Number calculation formula is held, the value of N is calculated；Wherein, the first receiving terminal number calculation formula is imitated based on preset energy transmission
What rate gain coefficient and output power gain coefficient determined, the difference of energy transmission efficiency gain coefficient and output power gain coefficient
The absolute value of value is less than predetermined threshold value.
Optionally, in embodiments of the present invention, which can also include：
Judging unit, for based on the coefficient of coup, loaded quality factor and preset first receiving terminal being calculated
Number calculation formula after the value for calculating N, based on the N values being calculated, judges each electric energy in N number of electric energy receiving terminal
Whether the output power of receiving terminal is less than the minimum output power of corresponding electric energy receiving terminal；
Updating unit, for judging that there are the output powers of receiving terminal to be less than corresponding electric energy receiving terminal most when judging unit
When low output power, the N values being calculated are updated using the calculated value of preset second receiving terminal number calculation formula.
Optionally, the first receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；λ is preset energy transmission efficiency
Gain coefficient；μ is preset output power gain coefficient；K be based on electric energy transmitting terminal in Target Wireless electric energy Transmission system with
The equivalent coupled coefficient that the coefficient of coup of electric energy receiving terminal is calculated；Q is based on electric energy in Target Wireless electric energy Transmission system
The loaded quality factor that the loaded quality factor of receiving terminal determines；QsEmit for electric energy in Target Wireless electric energy Transmission system
The loaded quality factor at end.
Optionally, which can also include：Obtaining unit；Obtaining unit includes：
First computational submodule, the output work for calculating each electric energy receiving terminal in preset radio energy Transmission system
Rate, and calculate the energy transmission efficiency of preset radio energy Transmission system；Wherein, preset radio energy Transmission system includes X
A identical electric energy receiving terminal；
Second computational submodule, for calculating when there are X identical electric energy to receive in preset radio energy Transmission system
When end, relative to when in preset radio energy Transmission system there are when single electric energy receiving terminal, preset radio energy Transmission system
Energy transmission efficiency gain；
Third computational submodule, for calculating when there are X identical electric energy to receive in preset radio energy Transmission system
When end, relative to when in preset radio energy Transmission system there are when single electric energy receiving terminal, preset radio energy Transmission system
The output power gain of middle electric energy receiving terminal；
Submodule is generated, for based on energy transmission efficiency gain, output power gain, energy transmission efficiency gain coefficient
With output power gain coefficient, generates energy transmission efficiency-output power and combine gain coefficient calculation formula；
Submodule is obtained, for combining gain coefficient calculation formula based on energy transmission efficiency-output power, is calculated
The intermediate computations formula for the maximum value that X can be got；Transform subblock is converted to first and connects for being based on intermediate computations formula
Receiving end number calculation formula.
Optionally, energy transmission efficiency-output power joint gain coefficient calculation formula can be：
Wherein, G is that energy transmission efficiency-output power combines gain coefficient；GηFor energy transmission efficiency gain；GPIt is defeated
Go out power gain；ηX-loadFor when, there are when X identical electric energy receiving terminals, being preset wireless in preset radio energy Transmission system
The energy transmission efficiency of electric energy transmission system；η1-loadTo work as, there are single electric energy receiving terminals in preset radio energy Transmission system
When, the energy transmission efficiency of preset radio energy Transmission system；PX-loadTo work as, there are X in preset radio energy Transmission system
When identical electric energy receiving terminal, the output power of X electric energy receiving terminal in preset radio energy Transmission system；P1-loadTo work as
There are when single electric energy receiving terminal in preset radio energy Transmission system, the electric energy receiving terminal in preset radio energy Transmission system
Output power；K' is that the coefficient of coup based on electric energy transmitting terminal in preset radio energy Transmission system and electric energy receiving terminal calculates
Obtained equivalent coupled coefficient；Q' is the loaded quality factor determination based on electric energy receiving terminal in preset radio energy Transmission system
Obtained loaded quality factor；Qs' for the loaded quality factor of electric energy transmitting terminal in preset radio energy Transmission system；vs' it is pre-
If the normalization input voltage of electric energy transmitting terminal in radio energy transmission system.
Optionally, in embodiments of the present invention, the second receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；RsIt is transmitted for Target Wireless electric energy and is
The resistance value of electric energy transmitting terminal in system；VsFor the input voltage of electric energy transmitting terminal in Target Wireless electric energy Transmission system；PthTo work as
There are when N number of electric energy receiving terminal, enable in N number of electric energy receiving terminal each electric energy receiving terminal just in Target Wireless electric energy Transmission system
The minimum output power often to work.
The third aspect, an embodiment of the present invention provides a kind of electronic equipment, including processor, communication interface, memory and
Communication bus, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes that any of the above-described determines wireless power transmission
The method and step of the method for electric energy receiving terminal number in system.
Fourth aspect, the embodiment of the present invention additionally provide a kind of computer readable storage medium, computer-readable storage medium
It is stored with computer program in matter, realizes that any of the above-described determines wireless power transmission system when computer program is executed by processor
The method and step of the method for electric energy receiving terminal number in system.
In embodiments of the present invention, Target Wireless electric energy Transmission system to be designed electric energy to be taken can be first determined
Transmitting terminal and electric energy receiving terminal.Then, using determining electric energy transmitting terminal and electric energy receiving terminal, Target Wireless electric energy biography is built
The corresponding circuit model for including an electric energy transmitting terminal and N number of electric energy receiving terminal of defeated system.Later, the circuit model is calculated
The coefficient of coup and loaded quality factor of middle electric energy transmitting terminal and each electric energy receiving terminal.It is then possible to based on being calculated
The coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula, calculate N number of electric energy in the circuit model and connect
The value of the N of receiving end.Wherein, since the first receiving terminal number calculation formula is to be based on preset energy transmission efficiency gain coefficient
It is determined with output power gain coefficient, and the difference of energy transmission efficiency gain coefficient and output power gain coefficient is exhausted
Predetermined threshold value is less than to value.Thus, utilize the electric energy receiving terminal number being calculated by the first receiving terminal number calculation formula
Carry out design object radio energy transmission system, it can be with the energy transmission efficiency of balancing objective radio energy transmission system and the system
In each electric energy receiving terminal output power, to improve the electric energy transmission performance of the system.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the method for electric energy receiving terminal number in a kind of determining radio energy transmission system provided in an embodiment of the present invention
Flow chart；
Fig. 2 is electric energy receiving terminal number destination device in a kind of determining radio energy transmission system provided in an embodiment of the present invention
Structural schematic diagram；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to solve the problems in the existing technology, an embodiment of the present invention provides a kind of determining wireless power transmission systems
Method, apparatus, electronic equipment and the computer readable storage medium of electric energy receiving terminal number in system.
First below to electric energy receiving terminal number destination party in determining radio energy transmission system provided in an embodiment of the present invention
Method illustrates.
Referring to Fig. 1, the method for electric energy receiving terminal number in determining radio energy transmission system provided in an embodiment of the present invention
It may include steps of：
S101：Determine that electric energy transmitting terminal to be taken in Target Wireless electric energy Transmission system to be designed and electric energy receive
End；
Wherein it is determined that electric energy transmitting terminal and electric energy receiving terminal to be taken, have also determined that electric energy hair to be taken
The parameters such as the coil turn of sending end and electric energy receiving terminal, inductance value, compensating electric capacity value.
In addition, identified electric energy receiving terminal can be a plurality of types of electric energy receiving terminals, arbitrary two kinds of electric energy
The parameter of receiving terminal is not exactly the same.It is of course also possible to only determine a type of electric energy receiving terminal, this is also rational.
S102：Based on electric energy transmitting terminal and electric energy receiving terminal, the corresponding circuit mould of Target Wireless electric energy Transmission system is determined
Type；Wherein, circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
Wherein, it after determining electric energy transmitting terminal to be taken and electric energy receiving terminal, can be sent based on determining electric energy
End and electric energy receiving terminal, determine the corresponding circuit model of Target Wireless electric energy Transmission system to be designed.Wherein it is possible to which this is arranged
Circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal, N >=2.
After circuit model is set, the relative position of each electric energy receiving terminal and electric energy transmitting terminal is then true in the circuit model
Fixed, i.e., each electric energy receiving terminal determines at a distance from electric energy transmitting terminal.Moreover, electric energy receiving terminal and electricity in the circuit model
What the parameter of energy transmitting terminal was also to determine.
S103：The coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal in counting circuit model, and calculate electric energy hair
The loaded quality factor of sending end and each electric energy receiving terminal；
Wherein it is possible to by coefficient of coup calculation formula, calculates electric energy transmitting terminal in the circuit model and connect with each electric energy
The coefficient of coup of receiving end.
Coefficient of coup calculation formula is：
Wherein, ksjFor in Target Wireless electric energy Transmission system between electric energy transmitting terminal and the coil of j-th of electric energy receiving terminal
The coefficient of coup.MsjFor in Target Wireless electric energy Transmission system between electric energy transmitting terminal and the coil of j-th of electric energy receiving terminal
Inductance value.LsFor the inductance value of the coil of electric energy transmitting terminal in Target Wireless electric energy Transmission system.LjIt is transmitted for Target Wireless electric energy
The inductance value of the coil of j-th of electric energy receiving terminal in system.
In addition, when electric energy transmitting terminal or electric energy receiving terminal are RLC series resonant circuits, induction reactance when resonance can be utilized
Or capacitive reactance divided by series resistance calculate the loaded quality factor of corresponding electric energy transmitting terminal or electric energy receiving terminal.When electric energy transmitting terminal
Or electric energy receiving terminal is when being RLC antiresonant circuits, induction reactance or capacitive reactance when can be using parallel resistance divided by resonance calculates
The loaded quality factor of corresponding electric energy transmitting terminal or electric energy receiving terminal.
S104：It is calculated based on the coefficient of coup, loaded quality factor and preset first receiving terminal number being calculated public
Formula calculates the value of N；Wherein, the first receiving terminal number calculation formula be based on preset energy transmission efficiency gain coefficient and
What output power gain coefficient determined, the absolute value of the difference of energy transmission efficiency gain coefficient and output power gain coefficient is small
In predetermined threshold value.
Wherein, in circuit model is calculated after the coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal, one
In kind realization method, the maximum coefficient of coup can be selected from the obtained coefficient of coup, transmitted as the Target Wireless electric energy
The corresponding equivalent coupled coefficient of system.In another implementation, can sum to the coefficient of coup that is calculated, then pair and
Value is averaged.Then, using obtained coefficient of coup average as the corresponding equivalent coupling of Target Wireless electric energy Transmission system
Collaboration number.
In another realization method, preset equivalent coupled coefficient formulas can also be utilized, equivalent coupled is calculated
Coefficient.Wherein, equivalent coupled coefficient formulas can be：
Wherein, QnIndicate the loaded quality factor of n-th electric energy receiving terminal in Target Wireless electric energy Transmission system.ksnFor mesh
Mark the coefficient of coup between electric energy transmitting terminal and the coil of n-th electric energy receiving terminal in radio energy transmission system.
In addition, in circuit model is calculated after the loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal,
In one implementation, maximum loaded quality factor can be selected from the corresponding loaded quality factor of electric energy receiving terminal,
As the loaded quality factor based on electric energy receiving terminal in Target Wireless electric energy Transmission system determine have carry quality because
Number.In another implementation, can sum to the loaded quality factor for the electric energy receiving terminal being calculated, then pair and value take
Average.Then, the coefficient of coup average that will be obtained is based on electric energy receiving terminal in Target Wireless electric energy Transmission system as this
The loaded quality factor that determines of loaded quality factor.
It is then possible to by the corresponding equivalent coupled coefficient of Target Wireless electric energy Transmission system, be based on Target Wireless electric energy
Loaded quality factor and Target Wireless electric energy the transmission system that the loaded quality factor of electric energy receiving terminal determines in Transmission system
The loaded quality factor of electric energy transmitting terminal in system substitutes into the first receiving terminal number calculation formula, so as to which the mark is calculated
Best electric energy receiving terminal number in radio energy transmission system.
Wherein, the first receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；λ is preset energy transmission efficiency
Gain coefficient；μ is preset output power gain coefficient；K be based on electric energy transmitting terminal in Target Wireless electric energy Transmission system with
The equivalent coupled coefficient that the coefficient of coup of electric energy receiving terminal is calculated；Q is based on electric energy in Target Wireless electric energy Transmission system
The loaded quality factor that the loaded quality factor of receiving terminal determines；QsEmit for electric energy in Target Wireless electric energy Transmission system
The loaded quality factor at end.
Wherein it is possible to set+μ=1 λ.Also, in calculating process, λ=1 can be set, μ=0 only considers mesh at this time
The energy transmission efficiency gain of radio energy transmission system is marked without considering output power gain.It can also set λ=0, μ=1,
Only consider the output power gain of mark radio energy transmission system without considering energy transmission efficiency gain at this time.When desired balance
When energy transmission efficiency gain and output power gain, i.e. equilibrium energy efficiency of transmission and output power, can set λ=μ=
The absolute value of the difference of 0.5 or λ and μ is less than a smaller predetermined threshold value, this is all reasonable.
In embodiments of the present invention, Target Wireless electric energy Transmission system to be designed electric energy to be taken can be first determined
Transmitting terminal and electric energy receiving terminal.Then, using determining electric energy transmitting terminal and electric energy receiving terminal, Target Wireless electric energy biography is built
The corresponding circuit model for including an electric energy transmitting terminal and N number of electric energy receiving terminal of defeated system.Later, the circuit model is calculated
The coefficient of coup and loaded quality factor of middle electric energy transmitting terminal and each electric energy receiving terminal.It is then possible to based on being calculated
The coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula, calculate N number of electric energy in the circuit model and connect
The value of the N of receiving end.Wherein, since the first receiving terminal number calculation formula is to be based on preset energy transmission efficiency gain coefficient
It is determined with output power gain coefficient, and the difference of energy transmission efficiency gain coefficient and output power gain coefficient is exhausted
Predetermined threshold value is less than to value.Thus, utilize the electric energy receiving terminal number being calculated by the first receiving terminal number calculation formula
Carry out design object radio energy transmission system, it can be with the energy transmission efficiency of balancing objective radio energy transmission system and the system
In each electric energy receiving terminal output power, to improve the electric energy transmission performance of the system.
After the value of N is calculated, received to ensure to dispose N number of electric energy in Target Wireless electric energy Transmission system
When end, the output power of each electric energy receiving terminal in this N number of electric energy receiving terminal can guarantee corresponding electric energy receiving terminal normal work.
After the value for calculating N, following operation can also be performed：
Based on the N values being calculated, judge whether the output power of each electric energy receiving terminal in N number of electric energy receiving terminal is small
In the minimum output power of corresponding electric energy receiving terminal；
If there are the minimum output power that the output power of receiving terminal is less than corresponding electric energy receiving terminal, preset second is utilized
The calculated value of receiving terminal number calculation formula updates the N values being calculated.
Wherein, the minimum output power of an electric energy receiving terminal refers to：Electric energy receiving terminal normal work can be met most
Low output power.
Wherein, the second receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；RsIt is transmitted for Target Wireless electric energy and is
The resistance value of electric energy transmitting terminal in system；VsFor the input voltage of electric energy transmitting terminal in Target Wireless electric energy Transmission system；PthTo work as
There are when N number of electric energy receiving terminal, enable in N number of electric energy receiving terminal each electric energy receiving terminal just in Target Wireless electric energy Transmission system
The minimum output power often to work.
For example, N=6, also, this 6 electric energy receiving terminals are calculated using the first receiving terminal number calculation formula
In not to be the output power of each electric energy receiving terminal can ensure corresponding electric energy receiving terminal normal work.At this point it is possible to utilize
Two receiving terminal number calculation formula recalculate to obtain N=4, and the update for replacing N=6 using N=4 to realize to N values.
The mode for obtaining the first receiving terminal target calculation formula is illustrated below.
Wherein, the step of the first receiving terminal number calculation formula of acquisition may include：
S201：The output power of each electric energy receiving terminal in preset radio energy Transmission system is calculated, and calculates and presets nothing
The energy transmission efficiency of line electric energy transmission system；Wherein, preset radio energy Transmission system includes that X identical electric energy receive
End；
Wherein, preset radio energy Transmission system includes an electric energy transmitting terminal and X identical electric energy receiving terminals.I.e.
The parameters such as the coil turn of any two electric energy receiving terminal, inductance value, compensating electric capacity value are identical in X electric energy receiving terminal, X
≥2。
Furthermore it is possible to which normallized current matrix equation when establishing X electric energy receiving terminal is as follows：
IjIt refer to the electric current of j-th of electric energy receiving terminal；The Ls' refer to j-th of electric energy receiving terminal coil inductance value.
It is then possible to be calculated by energy transmission efficiency calculation formula and above-mentioned normallized current matrix equation default wireless
The energy transmission efficiency of electric energy transmission system：
Identical electric energy receiving terminal when due to X electric energy receiving terminal, thus above-mentioned output power can be reduced to：
Wherein, QxIt refer to the loaded quality factor of X electric energy receiving terminal in preset radio energy Transmission system.ksxRefer to
The coefficient of coup in preset radio energy Transmission system between electric energy transmitting terminal and the coil of X electric energy receiving terminal.keAnd k'
The equivalent coupling being calculated for the coefficient of coup based on electric energy transmitting terminal in preset radio energy Transmission system and electric energy receiving terminal
Collaboration number.QeFor the sum of the loaded quality factor of electric energy receiving terminal in preset radio energy Transmission system, Q' is based on default nothing
The loaded quality factor that the loaded quality factor of electric energy receiving terminal determines in line electric energy transmission system；Qs' it is default wireless
The loaded quality factor of electric energy transmitting terminal in electric energy transmission system.
Furthermore it is possible to calculate the output power that formula calculates each electric energy receiving terminal by output power：
Wherein, PjRefer to the output power of j-th of electric energy receiving terminal in preset radio energy Transmission system, Q' is based on pre-
If the loaded quality factor that the loaded quality factor of electric energy receiving terminal determines in radio energy transmission system；Qs' it is default wireless
The loaded quality factor of electric energy transmitting terminal in electric energy transmission system；vs' it is electric energy transmitting terminal in preset radio energy Transmission system
Normalization input voltage.
S202：It calculates when identical electric energy receiving terminal a there are X in preset radio energy Transmission system, relative to when pre-
If there are when single electric energy receiving terminal in radio energy transmission system, the energy transmission efficiency of preset radio energy Transmission system increases
Benefit；
The energy transmission efficiency gain G of preset radio energy Transmission systemηFor：
Wherein, ηX-loadFor when, there are when X identical electric energy receiving terminals, presetting nothing in preset radio energy Transmission system
The energy transmission efficiency of line electric energy transmission system；η1-loadTo work as, there are the receptions of single electric energy in preset radio energy Transmission system
When end, the energy transmission efficiency of preset radio energy Transmission system.
S203：It calculates when identical electric energy receiving terminal a there are X in preset radio energy Transmission system, relative to when pre-
If there are when single electric energy receiving terminal in radio energy transmission system, electric energy receiving terminal is defeated in preset radio energy Transmission system
Go out power gain；
The output power gain G of electric energy receiving terminal in preset radio energy Transmission systemPFor：
Wherein, PX-loadFor when, there are when X identical electric energy receiving terminals, presetting nothing in preset radio energy Transmission system
The output power of X electric energy receiving terminal in line electric energy transmission system；P1-loadExist to work as in preset radio energy Transmission system
When single electric energy receiving terminal, the output power of the electric energy receiving terminal in preset radio energy Transmission system.
S204：Based on energy transmission efficiency gain, output power gain, energy transmission efficiency gain coefficient and output power
Gain coefficient generates energy transmission efficiency-output power and combines gain coefficient calculation formula；
Wherein, energy transmission efficiency-output power joint gain coefficient calculation formula can be：
Wherein, G is that energy transmission efficiency-output power combines gain coefficient；GηFor energy transmission efficiency gain；GPIt is defeated
Go out power gain；ηX-loadFor when, there are when X identical electric energy receiving terminals, being preset wireless in preset radio energy Transmission system
The energy transmission efficiency of electric energy transmission system；η1-loadTo work as, there are single electric energy receiving terminals in preset radio energy Transmission system
When, the energy transmission efficiency of preset radio energy Transmission system；PX-loadTo work as, there are X in preset radio energy Transmission system
When identical electric energy receiving terminal, the output power of X electric energy receiving terminal in preset radio energy Transmission system；P1-loadTo work as
There are when single electric energy receiving terminal in preset radio energy Transmission system, the electric energy receiving terminal in preset radio energy Transmission system
Output power；K' is that the coefficient of coup based on electric energy transmitting terminal in preset radio energy Transmission system and electric energy receiving terminal calculates
Obtained equivalent coupled coefficient；Q' be preset radio energy Transmission system in electric energy receiving terminal loaded quality factor and value；
Qs' for the loaded quality factor of electric energy transmitting terminal in preset radio energy Transmission system；vs' it is preset radio energy Transmission system
The normalization input voltage of middle electric energy transmitting terminal.
S205：Combine gain coefficient calculation formula based on energy transmission efficiency-output power, obtains and calculate what X can be got
The intermediate computations formula of maximum value；
Wherein, the intermediate computations formula of acquisition can be：
S206：Based on intermediate computations formula, it is converted to the first receiving terminal number calculation formula.
Being converted to the first receiving terminal number calculation formula by intermediate computations formula is：
To sum up, using the embodiment of the present invention, the energy transmission efficiency and the system of radio energy transmission system can be balanced
In each electric energy receiving terminal output power, to improve the electric energy transmission performance of the system.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides electricity in a kind of determining radio energy transmission system
Energy receiving terminal number destination device, referring to Fig. 2, which may include：
First determination unit 201, for determining electric energy to be taken in Target Wireless electric energy Transmission system to be designed
Transmitting terminal and electric energy receiving terminal；
Second determination unit 202 determines Target Wireless electric energy transmission system for being based on electric energy transmitting terminal and electric energy receiving terminal
It unites corresponding circuit model；Wherein, circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
First computing unit 203, the coupled systemes for electric energy transmitting terminal and each electric energy receiving terminal in counting circuit model
Number, and calculate the loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal；
Second computing unit 204, for being connect based on the coefficient of coup, the loaded quality factor and preset first that are calculated
Receiving end number calculation formula, calculates the value of N；Wherein, the first receiving terminal number calculation formula is to be based on preset energy transmission
What efficiency gain coefficient and output power gain coefficient determined；Energy transmission efficiency gain coefficient and output power gain coefficient
The absolute value of difference is less than predetermined threshold value.
Using device provided in an embodiment of the present invention, it can first determine that Target Wireless electric energy Transmission system to be designed is wanted
The electric energy transmitting terminal and electric energy receiving terminal of use.Then, using determining electric energy transmitting terminal and electric energy receiving terminal, the target is built
The corresponding circuit model for including an electric energy transmitting terminal and N number of electric energy receiving terminal of radio energy transmission system.Later, it calculates
The coefficient of coup and loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal in the circuit model.It is then possible to be based on
The coefficient of coup, loaded quality factor and the preset first receiving terminal number calculation formula being calculated, calculate the circuit model
In N number of electric energy receiving terminal N value.Wherein, since the first receiving terminal number calculation formula is to be based on preset energy transmission
What efficiency gain coefficient and output power gain coefficient determined, and energy transmission efficiency gain coefficient and output power gain system
The absolute value of several differences is less than predetermined threshold value.Thus, utilize the electricity being calculated by the first receiving terminal number calculation formula
Energy receiving terminal number carrys out design object radio energy transmission system, can be with the energy transmission of balancing objective radio energy transmission system
The output power of each electric energy receiving terminal in efficiency and the system, to improve the electric energy transmission performance of the system.
Optionally, in embodiments of the present invention, which can also include：
Judging unit, for based on the coefficient of coup, loaded quality factor and preset first receiving terminal being calculated
Number calculation formula after the value for calculating N, based on the N values being calculated, judges each electric energy in N number of electric energy receiving terminal
Whether the output power of receiving terminal is less than the minimum output power of corresponding electric energy receiving terminal；
Updating unit, for judging that there are the output powers of receiving terminal to be less than corresponding electric energy receiving terminal most when judging unit
When low output power, the N values being calculated are updated using the calculated value of preset second receiving terminal number calculation formula.
Optionally, the first receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；λ is preset energy transmission efficiency
Gain coefficient；μ is preset output power gain coefficient；K be based on electric energy transmitting terminal in Target Wireless electric energy Transmission system with
The equivalent coupled coefficient that the coefficient of coup of electric energy receiving terminal is calculated；Q is based on electric energy in Target Wireless electric energy Transmission system
The loaded quality factor that the loaded quality factor of receiving terminal determines；QsEmit for electric energy in Target Wireless electric energy Transmission system
The loaded quality factor at end.
Optionally, in embodiments of the present invention, which can also include：Obtaining unit；
Obtaining unit includes：First computational submodule, the second computational submodule, third computational submodule, generate submodule,
Obtain submodule and transform subblock；
First computational submodule, the output work for calculating each electric energy receiving terminal in preset radio energy Transmission system
Rate, and calculate the energy transmission efficiency of preset radio energy Transmission system；Wherein, preset radio energy Transmission system includes X
A identical electric energy receiving terminal；
Second computational submodule, for calculating when there are X identical electric energy to receive in preset radio energy Transmission system
When end, relative to when in preset radio energy Transmission system there are when single electric energy receiving terminal, preset radio energy Transmission system
Energy transmission efficiency gain；
Third computational submodule, for calculating when there are X identical electric energy to receive in preset radio energy Transmission system
When end, relative to when in preset radio energy Transmission system there are when single electric energy receiving terminal, preset radio energy Transmission system
The output power gain of middle electric energy receiving terminal；
Submodule is generated, for based on energy transmission efficiency gain, output power gain, energy transmission efficiency gain coefficient
With output power gain coefficient, generates energy transmission efficiency-output power and combine gain coefficient calculation formula；
Submodule is obtained, for combining gain coefficient calculation formula based on energy transmission efficiency-output power, is calculated
The intermediate computations formula for the maximum value that X can be got；
Transform subblock is converted to the first receiving terminal number calculation formula for being based on intermediate computations formula.
Optionally, energy transmission efficiency-output power joint gain coefficient calculation formula can be：
Wherein, G is that energy transmission efficiency-output power combines gain coefficient；GηFor energy transmission efficiency gain；GPIt is defeated
Go out power gain；ηX-loadFor when, there are when X identical electric energy receiving terminals, being preset wireless in preset radio energy Transmission system
The energy transmission efficiency of electric energy transmission system；η1-loadTo work as, there are single electric energy receiving terminals in preset radio energy Transmission system
When, the energy transmission efficiency of preset radio energy Transmission system；PX-loadTo work as, there are X in preset radio energy Transmission system
When identical electric energy receiving terminal, the output power of X electric energy receiving terminal in preset radio energy Transmission system；P1-loadTo work as
There are when single electric energy receiving terminal in preset radio energy Transmission system, the electric energy receiving terminal in preset radio energy Transmission system
Output power；K' is that the coefficient of coup based on electric energy transmitting terminal in preset radio energy Transmission system and electric energy receiving terminal calculates
Obtained equivalent coupled coefficient；Q' is the loaded quality factor determination based on electric energy receiving terminal in preset radio energy Transmission system
Obtained loaded quality factor；Qs' for the loaded quality factor of electric energy transmitting terminal in preset radio energy Transmission system；vs' it is pre-
If the normalization input voltage of electric energy transmitting terminal in radio energy transmission system.
Optionally, in embodiments of the present invention, the second receiving terminal number calculation formula can be：
Wherein, N is the number of electric energy receiving terminal in Target Wireless electric energy Transmission system；RsIt is transmitted for Target Wireless electric energy and is
The resistance value of electric energy transmitting terminal in system；VsFor the input voltage of electric energy transmitting terminal in Target Wireless electric energy Transmission system；PthTo work as
There are when N number of electric energy receiving terminal, enable in N number of electric energy receiving terminal each electric energy receiving terminal just in Target Wireless electric energy Transmission system
The minimum output power often to work.
Corresponding to above method embodiment, an embodiment of the present invention provides a kind of electronic equipment, and referring to Fig. 3, which sets
Standby includes processor 301, communication interface 302, memory 303 and communication bus 304, wherein processor 301, communication interface
302, memory 303 completes mutual communication by communication bus 304；
Memory 303, for storing computer program；
Processor 301 when for executing the program stored on memory 303, realizes that any of the above-described determines radio
The method and step of the method for electric energy receiving terminal number in energy Transmission system.
In embodiments of the present invention, electronic equipment can first determine that Target Wireless electric energy Transmission system to be designed to be adopted
Electric energy transmitting terminal and electric energy receiving terminal.Then, using determining electric energy transmitting terminal and electric energy receiving terminal, build the target without
The corresponding circuit model for including an electric energy transmitting terminal and N number of electric energy receiving terminal of line electric energy transmission system.Later, calculating should
The coefficient of coup and loaded quality factor of electric energy transmitting terminal and each electric energy receiving terminal in circuit model.It is then possible to based on meter
The obtained coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula, calculates N in the circuit model
The value of the N of a electric energy receiving terminal.Wherein, since the first receiving terminal number calculation formula is to be based on preset energy transmission efficiency
What gain coefficient and output power gain coefficient determined, and energy transmission efficiency gain coefficient and output power gain coefficient
The absolute value of difference is less than predetermined threshold value.Thus, it is connect using the electric energy being calculated by the first receiving terminal number calculation formula
Receiving end number carrys out design object radio energy transmission system, can be with the energy transmission efficiency of balancing objective radio energy transmission system
With the output power of each electric energy receiving terminal in the system, to improve the electric energy transmission performance of the system.
Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of computer readable storage medium, calculates
It is stored with computer program in machine readable storage medium storing program for executing, realizes that any of the above-described determines nothing when computer program is executed by processor
The method and step of the method for electric energy receiving terminal number in line electric energy transmission system.
The computer program stored in computer readable storage medium provided in an embodiment of the present invention is by the place of electronic equipment
After managing device execution, electronic equipment can first determine Target Wireless electric energy Transmission system to be designed electric energy transmitting terminal to be taken
With electric energy receiving terminal.Then, using determining electric energy transmitting terminal and electric energy receiving terminal, the Target Wireless electric energy Transmission system is built
The corresponding circuit model for including an electric energy transmitting terminal and N number of electric energy receiving terminal.Later, electric energy in the circuit model is calculated
The coefficient of coup and loaded quality factor of transmitting terminal and each electric energy receiving terminal.It is then possible to based on the coupled systemes being calculated
Number, loaded quality factor and preset first receiving terminal number calculation formula, calculate N number of electric energy receiving terminal in the circuit model
The value of N.Wherein, since the first receiving terminal number calculation formula is to be based on preset energy transmission efficiency gain coefficient and output
What power gain factor determined, and the absolute value of the difference of energy transmission efficiency gain coefficient and output power gain coefficient is small
In predetermined threshold value.Thus, it is designed using the electric energy receiving terminal number being calculated by the first receiving terminal number calculation formula
Target Wireless electric energy Transmission system, can be with each in the energy transmission efficiency of balancing objective radio energy transmission system and the system
The output power of electric energy receiving terminal, to improve the electric energy transmission performance of the system.
The communication bus that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, EISA) bus etc..The communication bus can be divided into address bus, data/address bus, controlling bus etc..For just
It is only indicated with a thick line in expression, figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, RAM), can also include non-easy
The property lost memory (Non-Volatile Memory, NVM), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be at least one storage device for being located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal
Processing, DSP), it is application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
It is field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device,
For electronic equipment, computer readable storage medium embodiment, since it is substantially similar to the method embodiment, so the ratio of description
Relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of method of electric energy receiving terminal number in determining radio energy transmission system, which is characterized in that including：
Determine electric energy transmitting terminal and electric energy receiving terminal to be taken in Target Wireless electric energy Transmission system to be designed；
Based on the electric energy transmitting terminal and the electric energy receiving terminal, the corresponding circuit of the Target Wireless electric energy Transmission system is determined
Model；Wherein, the circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
The coefficient of coup of electric energy transmitting terminal and each electric energy receiving terminal in the circuit model is calculated, and calculates the electric energy and sends
The loaded quality factor at end and each electric energy receiving terminal；
Based on the coefficient of coup, loaded quality factor and preset first receiving terminal number calculation formula being calculated, institute is calculated
State the value of N；Wherein, the first receiving terminal number calculation formula is based on preset energy transmission efficiency gain coefficient and defeated
Go out power gain factor determination, the absolute value of the difference of the energy transmission efficiency gain coefficient and output power gain coefficient
Less than predetermined threshold value.
2. according to the method described in claim 1, it is characterized in that, it is described based on the coefficient of coup being calculated, have load product
Prime factor and preset first receiving terminal number calculation formula, after the step of calculating the value of the N, the method is also wrapped
It includes：
Based on the N values being calculated, judge whether the output power of each electric energy receiving terminal in N number of electric energy receiving terminal is small
In the minimum output power of corresponding electric energy receiving terminal；
If there are the minimum output power that the output power of receiving terminal is less than corresponding electric energy receiving terminal, received using preset second
The N values being calculated described in the calculated value update of end number calculation formula.
3. according to the method described in claim 1, it is characterized in that, the first receiving terminal number calculation formula is：
Wherein, the N is the number of electric energy receiving terminal in the Target Wireless electric energy Transmission system；The λ is preset energy
Efficiency of transmission gain coefficient；The μ is preset output power gain coefficient；The k is to be passed based on the Target Wireless electric energy
The equivalent coupled coefficient that the coefficient of coup of electric energy transmitting terminal and electric energy receiving terminal is calculated in defeated system；The Q is based on institute
State the loaded quality factor that the loaded quality factor of electric energy receiving terminal in Target Wireless electric energy Transmission system determines；The Qs
For the loaded quality factor of electric energy transmitting terminal in the Target Wireless electric energy Transmission system.
4. according to the method described in claim 3, it is characterized in that, obtaining the step of the first receiving terminal number calculation formula
Suddenly, including：The output power of each electric energy receiving terminal in preset radio energy Transmission system is calculated, and is calculated described default wireless
The energy transmission efficiency of electric energy transmission system；Wherein, the preset radio energy Transmission system includes that X identical electric energy connect
Receiving end；
It calculates when identical electric energy receiving terminal a there are X in the preset radio energy Transmission system, relative to when described pre-
If there are when single electric energy receiving terminal in radio energy transmission system, the energy transmission of the preset radio energy Transmission system is imitated
Rate gain；
It calculates when identical electric energy receiving terminal a there are X in the preset radio energy Transmission system, relative to when described pre-
If there are when single electric energy receiving terminal in radio energy transmission system, electric energy receiving terminal in the preset radio energy Transmission system
Output power gain；
Based on the energy transmission efficiency gain, the output power gain, the energy transmission efficiency gain coefficient and output
Power gain factor generates energy transmission efficiency-output power and combines gain coefficient calculation formula；
Combine gain coefficient calculation formula based on the energy transmission efficiency-output power, obtaining the calculating X can get most
The intermediate computations formula being worth greatly；Based on the intermediate computations formula, it is converted to the first receiving terminal number calculation formula.
5. according to the method described in claim 4, it is characterized in that, the energy transmission efficiency-output power joint gain system
Counting calculation formula is：
Wherein, the G is that energy transmission efficiency-output power combines gain coefficient；The GηIncrease for the energy transmission efficiency
Benefit；The GPFor the output power gain；The ηX-loadTo work as, there are X phases in the preset radio energy Transmission system
With electric energy receiving terminal when, the energy transmission efficiency of the preset radio energy Transmission system；The η1-loadIt is described default to work as
There are when single electric energy receiving terminal in radio energy transmission system, the energy transmission of the preset radio energy Transmission system is imitated
Rate；The PX-loadFor when in the preset radio energy Transmission system there are when X identical electric energy receiving terminals, it is described default
The output power of X electric energy receiving terminal in radio energy transmission system；The P1-loadIt can be transmitted to work as the preset radio
There are when single electric energy receiving terminal in system, the output power of the electric energy receiving terminal in the preset radio energy Transmission system；
The k' is that the coefficient of coup based on electric energy transmitting terminal in the preset radio energy Transmission system and electric energy receiving terminal calculates
The equivalent coupled coefficient arrived；The Q' be based in the preset radio energy Transmission system electric energy receiving terminal have carry quality because
Number determines obtained loaded quality factor；The Qs' for electric energy transmitting terminal in the preset radio energy Transmission system there is load
Quality factor；The vs' for the normalization input voltage of electric energy transmitting terminal in the preset radio energy Transmission system.
6. according to the method described in claim 2, it is characterized in that, the second receiving terminal number calculation formula is：
Wherein, the N is the number of electric energy receiving terminal in the Target Wireless electric energy Transmission system；The RsFor the target without
The resistance value of electric energy transmitting terminal in line electric energy transmission system；The VsIt is sent for electric energy in the Target Wireless electric energy Transmission system
The input voltage at end；The PthFor when, there are when N number of electric energy receiving terminal, making the N in the Target Wireless electric energy Transmission system
The minimum output power that each electric energy receiving terminal can work normally in a electric energy receiving terminal.
7. electric energy receiving terminal number destination device in a kind of determining radio energy transmission system, which is characterized in that including：
First determination unit, for determine electric energy transmitting terminal to be taken in Target Wireless electric energy Transmission system to be designed and
Electric energy receiving terminal；
Second determination unit determines the Target Wireless electric energy for being based on the electric energy transmitting terminal and the electric energy receiving terminal
The corresponding circuit model of Transmission system；Wherein, the circuit model includes an electric energy transmitting terminal and N number of electric energy receiving terminal；
First computing unit, the coefficient of coup for calculating electric energy transmitting terminal and each electric energy receiving terminal in the circuit model,
And calculate the loaded quality factor of the electric energy transmitting terminal and each electric energy receiving terminal；
Second computing unit, for based on the coefficient of coup, loaded quality factor and preset first receiving terminal number being calculated
Mesh calculation formula calculates the value of the N；Wherein, the first receiving terminal number calculation formula is passed based on preset energy
What defeated efficiency gain coefficient and output power gain coefficient determined, the energy transmission efficiency gain coefficient and output power gain
The absolute value of the difference of coefficient is less than predetermined threshold value.
8. device according to claim 7, which is characterized in that described device further includes：
Judging unit, for based on the coefficient of coup, loaded quality factor and preset first receiving terminal number being calculated
Calculation formula after the value for calculating the N, based on the N values being calculated, judges each in N number of electric energy receiving terminal
Whether the output power of electric energy receiving terminal is less than the minimum output power of corresponding electric energy receiving terminal；
Updating unit, for judging that there are the output powers of receiving terminal to be less than corresponding electric energy receiving terminal most when the judging unit
When low output power, the N values that are calculated described in the calculated value update using preset second receiving terminal number calculation formula.
9. a kind of electronic equipment, which is characterized in that including processor, communication interface, memory and communication bus, wherein processing
Device, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any method step in claim 1-6
Suddenly.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Program realizes any method and step in claim 1-6 when the computer program is executed by processor.
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| US20120169133A1 (en) * | 2010-12-29 | 2012-07-05 | Gianpaolo Lisi | Transmitter and receiver tuning in a wireless charging system |
| CN103414261A (en) * | 2013-09-06 | 2013-11-27 | 中国矿业大学(北京) | Variable-coupling coefficient magnetic resonance wireless power transmission system and method |
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