CN108054839A - The electric energy control method and device of a kind of contactless power supply system - Google Patents
The electric energy control method and device of a kind of contactless power supply system Download PDFInfo
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- CN108054839A CN108054839A CN201711168574.XA CN201711168574A CN108054839A CN 108054839 A CN108054839 A CN 108054839A CN 201711168574 A CN201711168574 A CN 201711168574A CN 108054839 A CN108054839 A CN 108054839A
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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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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Abstract
The embodiment of the present invention provides a kind of electric energy control method and device of contactless power supply system, the described method includes：Detect the output voltage of inverter of contactless power supply system and the output current of the inverter, according to the systematic parameter of the output voltage, the output current and the electric power system, obtain the power of the load of the electric power system, using the power of the load as the adjusting target of the inverter, the output electric energy of the electric power system is controlled, this method and system can improve the efficiency of controlling electric energy, realization method is easy, improves the reliability of the contactless power supply system work.
Description
Technical field
The present embodiments relate to power supply technique field more particularly to a kind of electric energy control methods of contactless power supply system
And device.
Background technology
There are mainly two types of realization methods for control of the existing contactless power supply system to transmission electric energy.One way in which
For：The output power for controlling ground inverter is relative constant, does not change with load.This mode, ground inverter
Control and its realize all relatively easy, but since output power cannot become with load, whole system is less efficient.Fig. 5 is
A kind of structure diagram of contactless power supply system of the prior art, as shown in figure 5, no matter load current I0How to change,
The output current Ip of inverter is kept constant, and system control is fairly simple, and the difficulty of realization is also substantially smaller, still, output electricity
It can be difficult to rationally be utilized, system effectiveness can be than relatively low.
Another way is：Detection load power demand in real time, feeds back to ground inverter, in time by wireless channel
Output power is adjusted to meet loading demand.This mode system effectiveness is high, can accomplish that control on demand electric energy exports, but system
Realization it is more complicated, the reliability and its time delay of wireless channel can have an important influence on whole system stability.Fig. 6 is existing
There is the structure diagram of another contactless power supply system in technology, as shown in fig. 6, the power demand of detection load in real time,
Ground inverter is fed back to by wireless channel, adjusts output power in time to meet loading demand.This mode system effectiveness
Height can accomplish that control on demand electric energy exports, however, it is desirable to which load power demand is fed back to transmitting terminal by wireless channel
Target of the inverter as inverter control, to complete the adjusting to bearing power.That is, current implementation needs
It can be only achieved the adjusting to bearing power by closed-loop control.And the time delay and availability of the wireless channel of closed-loop control, it is right
The stability of whole system can have a negative impact, it usually needs more complicated control strategy be taken, to improve the steady of system
Qualitative, the realization of whole system is also more complicated.
Therefore, how a kind of controlling electric energy with greater efficiency and the simple contactless power supply system of realization method is provided
Method, the problem of becoming urgent need to resolve.
The content of the invention
For problems of the prior art, the embodiment of the present invention provides a kind of controlling electric energy of contactless power supply system
Method and apparatus.
In a first aspect, the embodiment of the present invention provides a kind of electric energy control method of contactless power supply system, the method bag
It includes：
Detect the output voltage of inverter of contactless power supply system and the output current of the inverter；
According to the systematic parameter of the output voltage, the output current and the electric power system, the power supply system is obtained
The power of the load of system；
Using the power of the load as the adjusting target of the inverter, the output electric energy of the electric power system is carried out
Control.
Second aspect, the embodiment of the present invention provide a kind of electric energy control device of contactless power supply system, described device bag
It includes：
Detection module, for detecting the output of the output voltage of the inverter of contactless power supply system and inverter electricity
Stream；
Bearing power module, for being joined according to the system of the output voltage, the output current and the electric power system
Number, obtains the power of the load of the electric power system；
Control module, for the adjusting target using the power of the load as the inverter, to the electric power system
Output electric energy controlled.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, and the equipment includes memory and processor, described
Processor and the memory complete mutual communication by bus；The memory storage has and can be performed by the processor
Program instruction, the processor calls described program instruction to be able to carry out the controlling electric energy side of above-mentioned contactless power supply system
Method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, are stored thereon with computer program,
The computer program realizes the electric energy control method of above-mentioned contactless power supply system when being executed by processor.
The electric energy control method and device of contactless power supply system provided in an embodiment of the present invention, by detecting non-contact confession
The output current of the output voltage of the inverter of electric system and the inverter, according to the output voltage, the output current
With the systematic parameter of the electric power system, the power of the load of the electric power system is obtained, using the power of the load as institute
The adjusting target of inverter is stated, the output electric energy of the electric power system is controlled, can accurately be estimated described in current time
Power needed for load, according to the power needed for the load, the electric energy of controlling transmission improves the efficiency of controlling electric energy, by
It forms and feeds back without wireless communication channel in described method and system, realization method is easy, improves the non-contact power system
The reliability of system work.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
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 this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the electric energy control method flow chart of contactless power supply system provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of the electric energy control device of contactless power supply system provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of electronic equipment provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of contactless power supply system provided in an embodiment of the present invention；
Fig. 5 is a kind of structure diagram of contactless power supply system of the prior art；
Fig. 6 is the structure diagram of another contactless power supply system of the prior art.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, belong to the scope of protection of the invention.
Fig. 1 is the electric energy control method flow chart of contactless power supply system provided in an embodiment of the present invention, as shown in Figure 1,
The described method includes：
Step 10, the detection output voltage of inverter of contactless power supply system and the output current of the inverter；
Step 11, the systematic parameter according to the output voltage, the output current and the electric power system obtain described
The power of the load of electric power system；
Step 12, using the power of the load as the adjusting target of the inverter, the output to the electric power system
Electric energy is controlled.
Fig. 4 is the structure diagram of contactless power supply system provided in an embodiment of the present invention, as shown in figure 4, the power supply
System includes：Transmitting terminal and pickup end, the transmitting terminal include：Inverter, the compensation device of transmitting terminal and shoe, it is described
Pickup end includes：Pick device, compensation device, high-frequency rectification and the power governor for picking up end.Wherein, the shoe and
The pick device forms Coupled Magnetic Path.It is connect between the shoe and the pick device by magnetic coupling, without machinery
It touches.Influence of the pickup end to the transmitting terminal, can be described by reflected umpedance.
Server can detect the output of the output voltage and the inverter of the inverter of the electric power system transmitting terminal
Electric current, wherein, the output voltage can be denoted as Us, the output current can be denoted as Ip.Then, the server can root
According to the output voltage Us, the output current IpAnd non-contact power model, obtain the work(of the load of the electric power system
Rate using the power of the load as the target of the inverter control, controls the output electric energy of the electric power system,
To complete the adjusting to the power of the load.
The electric energy control method of contactless power supply system provided in an embodiment of the present invention, by detecting contactless power supply system
The output voltage of inverter and the output current of the inverter, according to the output voltage, the output current and described
The systematic parameter of electric power system obtains the power of the load of the electric power system, using the power of the load as the inversion
The adjusting target of device controls the output electric energy of the electric power system, can accurately estimate to load institute described in current time
The power needed, according to the power needed for the load, the electric energy of controlling transmission improves the efficiency of controlling electric energy, the method
It forms and feeds back without wireless communication channel, the control effect of closed loop is obtained with opened loop control, realization method is easy, improves described
The reliability of contactless power supply system work.
Optionally, on the basis of above-described embodiment, the systematic parameter includes：
The equivalent resistance of the shoe of the electric power system, the angular frequency of the electric power system, the electric power system
The duty cycle of the power governor of the mutual inductance of Coupled Magnetic Path and the electric power system；
Correspondingly, the systematic parameter according to the output voltage, the output current and the electric power system, obtains
The bearing power of the contactless power supply system, including：
According to the equivalent resistance of the output voltage, the output current and the shoe, the power supply system is obtained
The pickup end of system is to the reflected umpedance of the transmitting terminal；
According to the reflected umpedance, the output current, the mutual inductance, the angular frequency and the duty cycle, institute is obtained
State the electric current of load and the resistance of the load；
According to the electric current of the load and the resistance of the load, the power of the load is obtained.
Specifically, after server detects output voltage and the output current of inverter, can be obtained from database
The equivalent resistance of the shoe of the electric power system, the angular frequency of the electric power system, the Coupled Magnetic Path of the electric power system
Mutual inductance and the electric power system power governor duty cycle, described in the server can also be obtained from database
The inductance of the capacitance of the compensation device of the transmitting terminal of electric power system and the shoe of the electric power system.It is as shown in figure 4, described
The capacitance of the compensation device of transmitting terminal can be denoted as Cp, the inductance of the shoe can be denoted as Lp, the shoe etc.
Effect resistance can be denoted as Rp, the angular frequency of the electric power system can be denoted as w, the mutual inductance can be denoted as M, and the duty cycle can
To be denoted as D.
Then, the server according to formula one, can calculate the pickup end of the electric power system to the transmitting terminal
Reflected umpedance, wherein, the reflected umpedance can be denoted as Zr。
Us=Ip·(w·Lp-1/(w·Cp))+Ip·Rp+Ip·Zr(formula one)
Since under normal circumstances, the electric power system works in resonant condition, under the resonant condition, meets：
w·Lp-1/(w·Cp)=0, the formula one can be reduced to formula two.
Us=Ip·Rp+Ip·Zr(formula two)
The server can be according to the formula two, the output voltage Us, the output current IpIt is led with the transmitting
The equivalent resistance R of railp, obtain the reflected umpedance Zr。
Then, the server can be according to the reflected umpedance Zr, the output current Ip, the mutual inductance M, the angle
The frequency w and duty cycle D, obtains the electric current of the load and the resistance of the load；Wherein, the electric current of the load can be with
It is denoted as I0, the resistance of the load can be denoted as R0。
Then, the server can obtain the power of the load according to formula three, and the power of the load can be remembered
For P0。
P0=I2 0·R0(formula three)
The electric energy control method of contactless power supply system provided in an embodiment of the present invention, by according to the output voltage,
The equivalent resistance of the shoe of the output current and the electric power system obtains the pickup end of the electric power system to described
The reflected umpedance of transmitting terminal, according to the reflected umpedance, the output current, the mutual inductance of the electric power system, the power supply system
The duty cycle of the angular frequency of system and the electric power system obtains the electric current of the load and the resistance of the load, according to described
The electric current of load and the resistance of the load, obtain the power of the load, can accurately estimate the power demand of the load,
So that the method more science.
Optionally, on the basis of above-described embodiment, it is described according to the reflected umpedance, the output current, it is described mutually
Sense, the angular frequency and the duty cycle, obtain the electric current of the load and the resistance of the load, including：
According to the reflected umpedance, the angular frequency and the mutual inductance, the AC equivalent resistance at the pickup end is obtained；
According to the AC equivalent resistance, the resistance of the load is obtained；
According to the reflected umpedance and the output current, reflected umpedance voltage is obtained；
According to the reflected umpedance voltage, the angular frequency, the mutual inductance and the duty cycle, the electricity of the load is obtained
Stream.
Specifically, the server obtains the reflected umpedance ZrIt afterwards, can be according to the reflected umpedance and acquisition
The angular frequency w and the mutual inductance M arrived according to formula four, obtains the AC equivalent resistance at the pickup end.Wherein, it is described
AC equivalent resistance can be denoted as Rac。
Rac=(w2·M2)/Zr(formula four)
The server obtains the AC equivalent resistance RacAfterwards, the electricity of the load can be obtained according to formula five
Hinder R0。
R0=(π Rac)/8 (formula five)
The server can be according to formula six, the reflected umpedance ZrWith the output current Ip, obtain reflected umpedance electricity
Pressure, wherein, the reflected umpedance voltage can be denoted as Ur。
Ur=Ip·Zr(formula six)
The server obtains the reflected umpedance voltage UrIt afterwards, can be according to the reflected umpedance voltage Ur, the angle
Frequency w, the mutual inductance M and the duty cycle D, obtain the electric current I of the load0。
The electric energy control method of contactless power supply system provided in an embodiment of the present invention, by according to reflected umpedance, angular frequency
Rate and mutual inductance obtain the AC equivalent resistance at pickup end, according to the AC equivalent resistance, the resistance loaded, according to institute
State reflected umpedance and the output current, obtain reflected umpedance voltage, according to the reflected umpedance voltage, angular frequency, mutual inductance and
Duty cycle obtains the electric current of the load so that the method more science.
Optionally, on the basis of above-described embodiment, it is described according to the reflected umpedance voltage, it is the angular frequency, described
Mutual inductance and the duty cycle, obtain the electric current of the load, including：
According to the reflected umpedance voltage, the angular frequency and the mutual inductance, the electric current at the pickup end is obtained；
According to the electric current at the pickup end and the duty cycle, the electric current of the load is obtained.
Specifically, server obtains reflected umpedance voltage UrIt afterwards, can be according to the reflected umpedance voltage Ur, angular frequency w
With mutual inductance M, according to formula seven, the electric current at pickup end is obtained.Wherein, the electric current at the pickup end can be denoted as I2。
I2=Ur/ (wM) (formula seven)
The server obtains the electric current I at the pickup end2Afterwards, the electricity of the load can be obtained according to formula eight
Flow I0。
The electric energy control method of contactless power supply system provided in an embodiment of the present invention, by according to reflected umpedance voltage,
The angular frequency and the mutual inductance obtain the electric current at pickup end, according to the electric current and duty cycle at the pickup end, obtain described negative
The electric current of load so that the method more science.
Fig. 2 be contactless power supply system provided in an embodiment of the present invention electric energy control device structure diagram, such as Fig. 2
Shown, described device includes：Detection module 20, bearing power module 21 and control module 22, wherein：
Detection module 20 is used to detect the output of the output voltage and the inverter of the inverter of contactless power supply system
Electric current；Bearing power module 21 is used for the systematic parameter according to the output voltage, the output current and the electric power system,
Obtain the power of the load of the electric power system；Control module 22 is used for using the power of the load as the tune of the inverter
Program mark controls the output electric energy of the electric power system.
The embodiment of the present invention provides a kind of electric energy control device of contactless power supply system, and described device can include：Inspection
Survey module 20, bearing power module 21 and control module 22.The detection module 20 can detect the inverse of contactless power supply system
Become the output voltage U of devicesWith the output current I of the inverterp.The bearing power module 21 can be according to the output electricity
Press Us, the output current IpAnd non-contact power model, obtain the power of the load of the electric power system.The control mould
Block 22 can carry out the output electric energy of the electric power system using the power of the load as the adjusting target of the inverter
Control, to complete the adjusting to the power of the load.
The electric energy control device of contactless power supply system provided in an embodiment of the present invention, function is referring in particular to the above method
Embodiment, details are not described herein again.
The electric energy control device of contactless power supply system provided in an embodiment of the present invention, by detecting contactless power supply system
The output voltage of inverter and the output current of the inverter, according to the output voltage, the output current and described
The systematic parameter of electric power system obtains the power of the load of the electric power system, using the power of the load as the inversion
The adjusting target of device controls the output electric energy of the electric power system, can accurately estimate to load institute described in current time
The power needed, according to the power needed for the load, the electric energy of controlling transmission improves the efficiency of controlling electric energy, described device
It forms and feeds back without wireless communication channel, the control effect of closed loop is obtained with opened loop control, realization method is easy, improves described
The reliability of contactless power supply system work.
Optionally, on the basis of above-described embodiment, the bearing power module includes：Acquisition submodule, reflected umpedance
Submodule, load parameter submodule and bearing power submodule, wherein：
Acquisition submodule is used to obtain the systematic parameter of the electric power system, and the systematic parameter includes：The power supply system
The equivalent resistance of the shoe of system, the angular frequency of the electric power system, the electric power system Coupled Magnetic Path mutual inductance and
The duty cycle of the power governor of the electric power system；Reflected umpedance submodule is used for according to the output voltage, the output
The equivalent resistance of electric current and the shoe obtains reflected umpedance of the pickup end to the transmitting terminal of the electric power system；
Parameter submodule is loaded to be used for according to the reflected umpedance, the output current, the mutual inductance, the angular frequency and the duty
Than obtaining the electric current of the load and the resistance of the load；Bearing power submodule, for the electric current according to the load and
The resistance of the load obtains the power of the load.
Specifically, the bearing power module described in above-described embodiment can include：Acquisition submodule, reflected umpedance submodule
Block, load parameter submodule and bearing power submodule.
Detection module detects the output voltage U of invertersWith output current IpAfterwards, the acquisition submodule can be from
The equivalent resistance R of the shoe of contactless power supply system is obtained in databasep, the angular frequency w of the electric power system, the confession
The duty cycle D of the mutual inductance M of the Coupled Magnetic Path of electric system and the power governor of the electric power system.The acquisition submodule is also
The capacitance C of the compensation device of the transmitting terminal of the electric power system can be obtainedp, the electric power system shoe inductance Lp。
Then, the reflected umpedance submodule according to formula one, can calculate the pickup end of the electric power system to described
The reflected umpedance of transmitting terminal, wherein, the reflected umpedance can be denoted as Zr。
Us=Ip·(w·Lp-1/(w·Cp))+Ip·Rp+Ip·Zr(formula one)
Since under normal circumstances, the electric power system works in resonant condition, under the resonant condition, meets：
w·Lp-1/(w·Cp)=0, the formula one can be reduced to formula two.
Us=Ip·Rp+Ip·Zr(formula two)
The reflected umpedance submodule can be according to the formula two, the output voltage Us, the output current IpAnd institute
State the equivalent resistance R of shoep, obtain the reflected umpedance Zr。
Then, the load parameter submodule can be according to the reflected umpedance Zr, the output current Ip, the mutual inductance
M, the angular frequency w and duty cycle D, obtains the electric current I of the load0With the resistance R of the load0。
Then, the bearing power submodule can obtain the power P of the load according to formula three0。
P0=I2 0·R0(formula three)
The electric energy control device of contactless power supply system provided in an embodiment of the present invention, by obtaining contactless power supply system
The inductance of shoe, the equivalent resistance of the shoe, angular frequency, the coupling of the electric power system of the electric power system
The duty cycle of the mutual inductance of magnetic circuit and the power governor of the electric power system is closed, according to the output voltage, the output electricity
The equivalent resistance of stream and the shoe, obtains the pickup end of the electric power system to the reflected umpedance of the transmitting terminal, root
According to the reflected umpedance, the output current, the mutual inductance, the angular frequency and the duty cycle, the electricity of the load is obtained
Stream and the resistance of the load, according to the electric current of the load and the resistance of the load, obtain the power of the load, can be with
Accurately estimate the power demand of the load so that described device more science.
Optionally, on the basis of above-described embodiment, the load parameter submodule includes：AC equivalent resistance unit,
Load resistance unit, reflected umpedance voltage cell and load current unit, wherein：
AC equivalent resistance unit is used for according to the reflected umpedance, the angular frequency and the mutual inductance, obtains described pick up
Take the AC equivalent resistance at end；Load resistance unit is used for according to the AC equivalent resistance, obtains the resistance of the load；Instead
Impedance voltage unit is penetrated for according to the reflected umpedance and the output current, obtaining reflected umpedance voltage；Load current list
Member is used for according to the reflected umpedance voltage, the angular frequency, the mutual inductance and the duty cycle, obtains the electricity of the load
Stream.
Specifically, the load parameter submodule described in above-described embodiment can include：AC equivalent resistance unit, load
Resistance unit, reflected umpedance voltage cell and load current unit.
Reflected umpedance submodule obtains the reflected umpedance ZrAfterwards, the AC equivalent resistance unit can be according to described
Reflected umpedance and the angular frequency w got the and mutual inductance M according to formula four, obtain the exchange at the pickup end etc.
Imitate resistance.Wherein, the AC equivalent resistance can be denoted as Rac。
Rac=(w2·M2)/Zr(formula four)
The AC equivalent resistance unit obtains the AC equivalent resistance RacAfterwards, the load resistance unit can be by
According to formula five, the resistance R of the load is obtained0。
R0=(π Rac)/8 (formula five)
The reflected umpedance voltage cell can be according to formula six, the reflected umpedance ZrWith the output current Ip, obtain
Reflected umpedance voltage, wherein, the reflected umpedance voltage can be denoted as Ur。
Ur=Ip·Zr(formula six)
The reflected umpedance voltage cell obtains the reflected umpedance voltage UrAfterwards, the load current unit can root
According to the reflected umpedance voltage Ur, the angular frequency w, the mutual inductance M and the duty cycle D, obtain the electric current I of the load0。
The electric energy control device of contactless power supply system provided in an embodiment of the present invention, by according to reflected umpedance, angular frequency
Rate and mutual inductance obtain the AC equivalent resistance at pickup end, according to the AC equivalent resistance, the resistance loaded, according to institute
State reflected umpedance and the output current, obtain reflected umpedance voltage, according to the reflected umpedance voltage, angular frequency, mutual inductance and
Duty cycle obtains the electric current of the load so that described device more science.
Optionally, on the basis of above-described embodiment, the load current unit includes：It picks up end electric current subelement and bears
Electric current subelement is carried, wherein：
It picks up end electric current subelement to be used for according to the reflected umpedance voltage, the angular frequency and the mutual inductance, obtains institute
State the electric current at pickup end；Load current subelement is used for electric current and the duty cycle according to the pickup end, obtains described negative
The electric current of load.
Specifically, the load current unit described in above-described embodiment can include：Pick up end electric current subelement and load
Electric current subelement.
The reflected umpedance voltage U that reflected umpedance voltage cell obtainsrAfterwards, the pickup end electric current subelement can be according to institute
State reflected umpedance voltage Ur, angular frequency w and mutual inductance M, according to formula seven, obtain the electric current I at pickup end2。
I2=Ur/ (wM) (formula seven)
The pickup end electric current subelement obtains the electric current I at the pickup end2Afterwards, the load current subelement can be with
According to formula eight, the electric current I of the load is obtained0。
The electric energy control device of contactless power supply system provided in an embodiment of the present invention, by according to reflected umpedance electricity
Pressure, the angular frequency and the mutual inductance obtain the electric current at the pickup end, according to the electric current at the pickup end and the duty
Than obtaining the electric current of the load so that described device more science.
Fig. 3 is the structure diagram of electronic equipment provided in an embodiment of the present invention, as shown in figure 3, the equipment includes：Place
Device (processor) 31, memory (memory) 32 and bus 33 are managed, wherein：
The processor 31 and the memory 32 complete mutual communication by the bus 33；The processor 31
For calling the program instruction in the memory 32, to perform the method that above-mentioned each method embodiment is provided, such as including：
Detect the output voltage of inverter of contactless power supply system and the output current of the inverter；According to the output voltage,
The systematic parameter of the output current and the electric power system obtains the power of the load of the electric power system；By the load
Adjusting target of the power as the inverter, the output electric energy of the electric power system is controlled.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product includes being stored in non-transient
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer performs, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：Detect non-contact confession
The output current of the output voltage of the inverter of electric system and the inverter；According to the output voltage, the output current
With the systematic parameter of the electric power system, the power of the load of the electric power system is obtained；Using the power of the load as institute
The adjusting target of inverter is stated, the output electric energy of the electric power system is controlled.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium storing program for executing, the non-transient computer readable storage
Medium storing computer instructs, and the computer instruction makes the computer perform the side that above-mentioned each method embodiment is provided
Method, such as including：Detect the output voltage of inverter of contactless power supply system and the output current of the inverter；According to institute
The systematic parameter of output voltage, the output current and the electric power system is stated, obtains the power of the load of the electric power system；
Using the power of the load as the adjusting target of the inverter, the output electric energy of the electric power system is controlled.
The embodiments such as electronic equipment described above are only schematical, illustrate wherein described as separating component
Unit may or may not be physically separate, and the component shown as unit may or may not be object
Manage unit, you can be located at a place or can also be distributed in multiple network element.It can select according to the actual needs
Some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying wound
In the case of the work for the property made, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
Order, which is used, so that computer equipment (can be personal computer, server or the network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the embodiment of the present invention rather than right
It is limited；Although the embodiment of the present invention is described in detail with reference to foregoing embodiments, the ordinary skill of this field
Personnel should be understood：It can still modify to the technical solution recorded in foregoing embodiments or to which part
Or all technical characteristic carries out equivalent substitution；And these modifications or replacement, do not make the essence disengaging of appropriate technical solution
The scope of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of electric energy control method of contactless power supply system, which is characterized in that including：
Detect the output voltage of inverter of contactless power supply system and the output current of the inverter；
According to the systematic parameter of the output voltage, the output current and the electric power system, the electric power system is obtained
The power of load；
Using the power of the load as the adjusting target of the inverter, the output electric energy of the electric power system is controlled
System.
2. according to the method described in claim 1, it is characterized in that, the systematic parameter includes：
The equivalent resistance of the shoe of the electric power system, the electric power system angular frequency, the electric power system coupling
The duty cycle of the power governor of the mutual inductance of magnetic circuit and the electric power system；
Correspondingly, the systematic parameter according to the output voltage, the output current and the electric power system obtains described
The bearing power of contactless power supply system, including：
According to the equivalent resistance of the output voltage, the output current and the shoe, the electric power system is obtained
Pick up reflected umpedance of the end to the transmitting terminal；
According to the reflected umpedance, the output current, the mutual inductance, the angular frequency and the duty cycle, obtain described negative
The electric current of load and the resistance of the load；
According to the electric current of the load and the resistance of the load, the power of the load is obtained.
It is 3. according to the method described in claim 2, it is characterized in that, described according to the reflected umpedance, the output current, institute
Mutual inductance, the angular frequency and the duty cycle are stated, obtains the electric current of the load and the resistance of the load, including：
According to the reflected umpedance, the angular frequency and the mutual inductance, the AC equivalent resistance at the pickup end is obtained；
According to the AC equivalent resistance, the resistance of the load is obtained；
According to the reflected umpedance and the output current, reflected umpedance voltage is obtained；
According to the reflected umpedance voltage, the angular frequency, the mutual inductance and the duty cycle, the electric current of the load is obtained.
4. according to the method described in claim 3, it is characterized in that, it is described according to the reflected umpedance voltage, the angular frequency,
The mutual inductance and the duty cycle, obtain the electric current of the load, including：
According to the reflected umpedance voltage, the angular frequency and the mutual inductance, the electric current at the pickup end is obtained；
According to the electric current at the pickup end and the duty cycle, the electric current of the load is obtained.
5. a kind of electric energy control device of contactless power supply system, which is characterized in that including：
Detection module, for detecting the output current of the output voltage of the inverter of contactless power supply system and the inverter；
Bearing power module for the systematic parameter according to the output voltage, the output current and the electric power system, obtains
To the power of the load of the electric power system；
Control module, for the adjusting target using the power of the load as the inverter, to the defeated of the electric power system
Go out electric energy to be controlled.
6. device according to claim 5, which is characterized in that the bearing power module includes：
Acquisition submodule, for obtaining the systematic parameter of the electric power system, the systematic parameter includes：The electric power system
The equivalent resistance of shoe, the angular frequency of the electric power system, the mutual inductance of Coupled Magnetic Path of the electric power system and described
The duty cycle of the power governor of electric power system；
Reflected umpedance submodule, for the equivalent resistance according to the output voltage, the output current and the shoe,
Obtain reflected umpedance of the pickup end to the transmitting terminal of the electric power system；
Parameter submodule is loaded, for according to the reflected umpedance, the output current, the mutual inductance, the angular frequency and institute
Duty cycle is stated, obtains the electric current of the load and the resistance of the load；
Bearing power submodule for the electric current according to the load and the resistance of the load, obtains the power of the load.
7. device according to claim 6, which is characterized in that the load parameter submodule includes：
AC equivalent resistance unit, for according to the reflected umpedance, the angular frequency and the mutual inductance, obtaining the pickup end
AC equivalent resistance；
Load resistance unit, for according to the AC equivalent resistance, obtaining the resistance of the load；
Reflected umpedance voltage cell, for according to the reflected umpedance and the output current, obtaining reflected umpedance voltage；
Load current unit, for according to the reflected umpedance voltage, the angular frequency, the mutual inductance and the duty cycle, obtaining
To the electric current of the load.
8. device according to claim 7, which is characterized in that the load current unit includes：
End electric current subelement is picked up, for according to the reflected umpedance voltage, the angular frequency and the mutual inductance, obtaining described pick up
Take the electric current at end；
Load current subelement for the electric current according to the pickup end and the duty cycle, obtains the electric current of the load.
9. a kind of electronic equipment, which is characterized in that including memory and processor, the processor and the memory pass through total
Line completes mutual communication；The memory storage has the program instruction that can be performed by the processor, the processor tune
The method as described in Claims 1-4 is any is able to carry out with described program instruction.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The method as described in Claims 1-4 is any is realized when processor performs.
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| CN109067005A (en) * | 2018-06-26 | 2018-12-21 | 上海航天设备制造总厂有限公司 | For rotating the contactless power supply device of electromechanical equipment |
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