CN109742871A - Spacing wireless electric energy transfer approach, device and application - Google Patents
Spacing wireless electric energy transfer approach, device and application Download PDFInfo
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- CN109742871A CN109742871A CN201910213105.8A CN201910213105A CN109742871A CN 109742871 A CN109742871 A CN 109742871A CN 201910213105 A CN201910213105 A CN 201910213105A CN 109742871 A CN109742871 A CN 109742871A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present invention provides spacing wireless electric energy transfer approach, device and application, is related to radio energy transfer approach and device and multiple degrees of freedom motor technology field.It include: wireless energy transmission unit, wireless energy receiving unit and position detection guidance unit；Position detection guidance unit can be such that rotor rotates based on determining optimum reception direction, and the receiving coil nearest apart from wireless energy transmission coil is made to rotate to the optimum position of charging；Wireless energy transmission device signalling means and wireless energy reception device signalling means realize the automatic charging function to battery.The present invention has transmission position autonomous positioning accurate, and charging operations are simple, reliably, convenient, energy conservation, and when section, charge efficiency is high and widely used feature, greatly reduces waste of energy.It may be either the telecontrol equipment charging in movement, and can be used for the charging of battery.There are preferable economic benefit and social benefit.
Description
Technical field
The present invention relates to radio energy transfer approach and devices and multiple degrees of freedom motor technology field.More particularly to one
Spacing wireless electric energy transfer approach, device and the application of the suitable more free movement devices in space of kind.
Background technique
In recent years, with the development and progress of modern society, application for multifreedom motion device, multiple degrees of freedom is forever
Magneto using more and more extensive, aerospace, in terms of have very bright prospect.In three dimensions,
Multi-freedom electric motor can drive rotation and be converted into more than two axial directions.Compared with single motor, the application of multiple electric motors
Range is wider, and volume is smaller, and cost is lower, and performance is improved.
Motor generallys use traditional mechanical bearing connection structure, has the shortcomings that frictional dissipation is big, heat production is big.These are former
Because resulting in the limitation of motor application.The dynamic characteristic of rotor is influenced the frictional resistance by mechanical bearing, to drop
Low electric efficiency and service life.In addition, traditional more magnetic current varying magnetic fields be easy to it is out of hand.Motor is difficult under mode of suspension
With work, it is difficult to mention high control precision.In order to solve the problems, such as traditional bearing structural electromotor, researcher is increased to motor shaft
The research of bearing structure and driving method.Multi-freedom electric motor is just towards more efficient, environmentally friendly, high accuracy positioning, more easy of integration and small
The direction of type is developed.
Multiple degrees of freedom motor can solve the shortcomings that conventional multidimensional driving element, reach ideal movement.Vision system
It is one of robot and the most important sensing equipment of human field.Currently, the development of visual sensor " machine eye " achieve it is considerable
Progress, but still lag behind walking, shoulder joint movement etc. other functions.Application of the multi-freedom electric motor in vision system, can
To be greatly promoted the development of robotic vision system.Multi-freedom electric motor is increasingly becoming in the important research of motor field
Hold, various novel multi-freedom electric motors are constantly successfully researched and developed and promoted.Composite drive multi-freedom electric motor solves
It has determined traditionally using system complex, inefficiency, precision caused by multiple one dimensional driving elements realization multifreedom motion
Not enough, the disadvantages of expense is high, bad dynamic performance.
Radio energy transmit field, when need to object is charged in closed spherical shell when, charging equipment charging letter
Number coverage area be typically larger than the range of charging terminal actual demand.But have in the charging signals of charging equipment transmission
It is not greatly converted into electric energy, mass energy is caused to waste.And it can not position receiver line in closed space
The position of circle.
Summary of the invention
The purpose of the present invention is to provide spacing wireless electric energy transfer approach, device and applications, mainly solve the prior art
The coverage area of the charging signals of existing charging equipment when being charged to object in closed spherical shell is excessive, in confined space
It is low down to the problem of causing mass energy to waste that most preferably transmission position, transmission efficiency can not be found.The present invention has transmission position
Autonomous positioning is accurate, and charging operations are simple, reliably, convenient, energy conservation, and when section, charge efficiency is high and widely used feature, significantly
Reduce waste of energy.Radio energy is particularly suitable for closed space made of non-magnetic shielding material, or to by metal
The transmission of the inside of material or the non-confined space made of non-magnetic shielding material, the radio energy including multifreedom motion motor
Charging；It may be either the telecontrol equipment charging in movement, and can be used for the charging of battery.There are preferable economic benefit and society's effect
Benefit.
In order to reach the goals above, the technical solution adopted by the present invention is that: a kind of spacing wireless electric energy transfer approach, it is special
Sign is, comprising: wireless energy transmission unit, wireless energy receiving unit and position detection guidance unit；
Wireless energy transmission unit includes: wireless energy transmission control module, wireless energy transmission coil, wireless energy hair
Penetrate module by signal device；
Wireless energy receiving unit includes: wireless energy receiving module signalling means, wireless energy receiving module and wireless energy
Conversion module is measured, wireless energy receiving module includes the wireless energy receiving coil of motor control；
Position detection guidance unit includes: position sensing module, processing module and signaling module；It is carried out for sending request
First signal of charging and the position that the wireless energy transmission coil is determined by the first signal, make after processing module is handled
Signal amplification, signaling module send signal, rotate the rotor of the wireless energy receiving module of wireless energy receiving unit
So that wireless energy transmission coil is rotated to the optimum reception direction position of charging, receives charging signals；Wireless energy conversion module
The received electric energy of wireless energy receiving coil is converted to the rechargeable electrical energy of battery；Wireless energy transmission module by signal device and wireless
Energy acceptance device signalling means, which is realized, charges to telecontrol equipment charging or battery；
Space transmission includes to closed space made of non-magnetic shielding material, or to by metal material or by non-
It transmits the inside of non-confined space made of magnetic shielding material.
Preferably, it is characterised in that: the wireless energy receiving module is circumference distribution wireless energy receiving module,
Its wireless energy receiving coil is in the angled tandem circular inductive coil for being distributed with 3 or more of circumferencial direction.
Further, it is characterised in that: when position sensing module detects that wireless energy conversion module gives telecontrol equipment
The charge capacity of charging or battery charging reaches the signal that will test when second threshold and sends second after processor is handled
Signal gives wireless energy receiving module, and wireless energy receiving module, which responds the second signal, to be stopped receiving charging signals, stops
Receive the energy of wireless energy transmission coil.
Further, it is characterised in that be preset with charge capacity value in wireless energy transmission control module, work as radio energy
Transmitting module signalling means detects that the charge volume to telecontrol equipment charging or battery charging is less than preset first threshold values that charges
When, i.e., it charges to wireless energy transmission coil conveying electric energy.
Device used in spacing wireless electric energy transfer approach described in a kind of any of the above item characterized by comprising nothing
Heat input transmitting unit, wireless energy receiving unit and position detection guide device；
Wireless energy transmission unit includes: wireless energy transmission control module, wireless energy transmission coil, wireless energy hair
Injection device signalling means；Radio energy transmission transmitting coil is connected with wireless energy transmission device signalling means；Wireless energy transmission control
Molding block includes DC voltage being converted to alternating voltage by high frequency inverter circuit, system improves electricity by boost network
Pressure is coupling firing coil power supply, and wireless energy transmission unit is by wireless energy transmission to wireless energy receiving unit；
Wireless energy receiving unit includes: wireless energy reception device signalling means, wireless energy reception device, wireless energy
Conversion module；It include motor-controlled wireless energy receiving coil in wireless energy reception device；Wireless energy reception device
Signalling means is connected with wireless energy reception device receiving coil, and wireless energy receiving unit receives the transmitting of wireless energy transmission unit
Wireless energy；
Position detection guide device includes position sensor and motor, and position sensor detects transmission unit wireless energy hair
The first signal that the position detection guiding module that ray circle sends a request to charges simultaneously is determined described wireless by the first signal
The position of energy transmitting coil amplifies signal after processing module is handled and sends signal, when wireless energy receiving module is believed
The signal that number device receives position guiding module makes rotor rotation that wireless energy transmission coil be made to rotate to the best of charging
Receiving direction position receives charging signals；Wireless energy conversion module is converted to the received electric energy of wireless energy receiving coil
The rechargeable electrical energy of battery；Telecontrol equipment is filled in wireless energy transmission module by signal device and the realization of wireless energy reception device signalling means
Electricity or battery charging.
Preferably, which is characterized in that the wireless energy reception device is circumference distribution wireless energy reception device,
Receive the energy from wireless energy transmission device, wireless energy receiving coil be circumferencial direction it is angled be distributed with 3 with
On tandem circular inductive coil.
Such as application of described in any item spacing wireless electric energy transfer approach and device above, which is characterized in that for more
The radio energy of freedom degree motion motor transmits；Radio energy transmitting coil is placed on any position of rotary electric machine outer surface
It sets；Circumference distribution wireless energy reception device is mounted on the closed hollow internal rotor of rotating electric machine, can send out with wireless energy
Ray circle forms optimal charge position；Position detection guide device is arranged in gap section between rotary motor rotor and stator,
Radio energy conversion module is connected to the multi-coil wireless energy receiving coil of circumference distribution wireless energy reception device and turns
It is sub internal；Wireless energy transmission device signalling means, circumference distribution wireless energy are installed on radio energy transmission transmitting coil
Wireless energy reception device signalling means is installed in reception device.
Preferably, which is characterized in that circumference distribution wireless energy reception device is placed on space multifreedom motion dress
Hollow rotor inner surface is set, centered on armature spindle, circumferential fashion is passed through with fixed angle in the plane vertical with armature spindle
It is distributed multiple coils.
Preferably, which is characterized in that there are four the settings of position detection guiding module, is located between stator and rotor,
It is uniformly distributed the multi-faceted covering that can ensure that signal.
The positive effect of the present invention is: the present invention provides spacing wireless electric energy transfer approach, device and application, mainly solves
The coverage area of the charging signals of charging equipment of the existing technology when being charged to object in closed spherical shell is excessive, close
Close in space that can not to find best transmission position, transmission efficiency low so that the problem of causing mass energy to waste.The present invention has
Transmit that position autonomous positioning is accurate, and charging operations are simple, reliably, convenient, energy conservation, when section, charge efficiency is high and widely used
Feature greatly reduces waste of energy.Radio energy is particularly suitable for closed space made of non-magnetic shielding material, or
To metal material or the inside of the non-confined space made of non-magnetic shielding material transmit, including multifreedom motion motor
Radio energy charging；It may be either the telecontrol equipment charging in movement, and can be used for the charging of battery.
The invention avoids the troubles that provision for disengagement internal cell charges, in multifreedom motion device rotary course
In also avoid the problem of external connection inconvenience, the radio energy receiving device of design improves the efficiency of charging and reduces electricity
It can be lost, and realize the function of autonomous positioning by position detecting device, realizing can not find most preferably in confined space
It is the problem of position, simple and reliable for charging operations.There are preferable economic benefit and social benefit.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic elevation view of multiple degrees of freedom of embodiment of the present invention spatial movement device.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is Fig. 1 multiple degrees of freedom spatial movement device uncharged state schematic diagram.
Fig. 4 is Fig. 1 multiple degrees of freedom spatial movement device charged state schematic diagram.
Fig. 5 is that radio energy transmission device of the present invention is used for 1 schematic diagram of multi-freedom electric motor embodiment.
Fig. 6 is that radio energy transmission device of the present invention is used for 2 schematic diagram of multi-freedom electric motor embodiment.
Interaction schematic diagram of the Fig. 7 between Fig. 5 rotor (three-winding energy receiver) and wireless energy transmission coil.
Fig. 8 is that the process for the energy that Fig. 5 rotor (three-winding energy receiver) receives wireless energy transmission coil is shown
It is intended to.
Interaction schematic diagram of the Fig. 9 between rotor (three-winding energy receiver) and wireless energy transmission coil.
Figure 10 is the process signal for the energy that rotor (three-winding energy receiver) receives wireless energy transmission coil
Figure.
Figure 11 is the flow diagram that three-winding energy receiver obtains energy in a manner of radio energy transmission.
Figure 12 is the LC Double-edge type wireless power transmission circuit diagram in embodiment example.
Figure 13 is wireless energy transmission control module operation principle schematic diagram.
Figure 14 is the operation principle schematic diagram of position detection guiding module.
Figure 15 is multiple degrees of freedom spatial movement device wireless energy transfer general illustration
Each label meaning in figure: 1-stator, 2-rotors, 3-position detection guiding modules, 4-wireless energy transmission lines
Circle, 5-circumference distribution wireless energy reception devices, 6-wireless energy reception device signalling means, 7-wireless energy transmissions dress
Set signalling means, 8-wireless energy conversion modules, 9-wireless energy transmission control modules.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Attached drawing is closed, the present invention will be described in further detail.
Fig. 1-Figure 12 is please referred to, now spacing wireless electric energy transfer approach, device and application are illustrated.
As the specific embodiment of the present invention, the technical solution adopted by the present invention is that: a kind of spacing wireless electric energy
Transfer approach characterized by comprising wireless energy transmission unit, wireless energy receiving unit and position detection guidance unit；
Wireless energy transmission unit includes: wireless energy transmission control module, wireless energy transmission coil, wireless energy hair
Penetrate module by signal device；
Wireless energy receiving unit includes: wireless energy receiving module signalling means, wireless energy receiving module and wireless energy
Measure conversion module；Wireless energy receiving module includes the wireless energy receiving coil of motor control；
Position detection guidance unit includes: position sensing module, processing module and signaling module；It is carried out for sending request
First signal of charging and the position that the wireless energy transmission coil is determined by the first signal, make after processing module is handled
Signal amplification, signaling module send signal, rotate the rotor of the wireless energy receiving module of wireless energy receiving unit
So that wireless energy transmission coil is rotated to the optimum reception direction position of charging, fills the reception of wireless energy reception device signalling means
Electric signal；The received electric energy of wireless energy receiving coil is converted to the rechargeable electrical energy of battery by wireless energy conversion module；Wirelessly
Energy transmitting module by signal device and wireless energy reception device signalling means, which are realized, fills telecontrol equipment charging or the automatic of battery
Electricity；
Space transmission includes to closed space made of non-magnetic shielding material, or to by metal material or by non-
It transmits the inside of non-confined space made of magnetic shielding material.
As the specific embodiment of the present invention, it is preferred that it is characterized by: the wireless energy receiving module
For circumference distribution wireless energy receiving module, wireless energy receiving coil be circumferencial direction it is angled be distributed with 3 with
On tandem circular inductive coil.
As the specific embodiment of the present invention, further, it is characterised in that: when position sensing module detects
Charge capacity reach the signal that will test when second threshold sent after processor is handled second signal give wireless energy receive
Module, wireless energy receiving module, which responds the second signal, to be stopped receiving charging signals, stops charging.
As the specific embodiment of the present invention, further, it is characterised in that wireless energy transmission control module
In be preset with charge capacity value, when radio energy transmitting module signalling means detects that the amount of being electrically charged is less than preset first valve of charging
When value, i.e., charge to wireless energy transmission coil conveying electric energy.
As the specific embodiment of the present invention, a kind of spacing wireless electric energy transmission described in a kind of any of the above item
Device used in method characterized by comprising wireless energy transmission unit, wireless energy receiving unit and position detection are drawn
Lead device 3；
Wireless energy transmission unit includes: wireless energy transmission control module 9, wireless energy transmission coil 4, wireless energy
Emitter signalling means 7；Radio energy transmission transmitting coil 4 is connected with wireless energy transmission device signalling means 7；Wireless energy hair
Penetrating control module 9 includes, and DC voltage is converted to alternating voltage by high frequency inverter circuit, system is mentioned by boost network
High voltage is coupling firing coil power supply；
Wireless energy receiving unit includes: wireless energy reception device signalling means 6, wireless energy reception device 5, wireless energy
Measure conversion module 8；It include motor-controlled wireless energy receiving coil in wireless energy reception device 5；Wireless energy receives
Device signalling means 6 is connected with 5 receiving coil of wireless energy reception device；
Position detection guide device 3 includes position sensor and motor, and position sensor detects transmission unit wireless energy
Transmitting coil 4 sends the first signal that request is charged and the position that the wireless energy transmission coil is determined by the first signal
It sets, amplify signal after processing module is handled and sends signal, rotor rotation is made to rotate wireless energy transmission coil
To the optimum reception direction position of charging, charging signals are received；Wireless energy conversion module 8 receives wireless energy receiving coil
Electric energy be converted to the rechargeable electrical energy of battery；Wireless energy transmission module by signal device and wireless energy reception device signalling means are realized
To telecontrol equipment charging or battery charging.
As the specific embodiment of the present invention, it is preferred that it is characterized in that, the wireless energy reception device
5 be circumference distribution wireless energy reception device, wireless energy receiving coil be circumferencial direction it is angled be distributed with 3 with
On tandem circular inductive coil.
As the specific embodiment of the present invention, a kind of such as described in any item spacing wireless electric energy senders above
The application of method and device, which is characterized in that the radio energy for multifreedom motion motor transmits；Radio energy transmitting coil
4 are placed on any position of rotary electric machine outer surface；Circumference distribution wireless energy reception device is mounted on electric rotating secret
Hollow internal rotor is closed, optimal charge position can be formed with wireless energy transmission coil 4；Rotary motor rotor and stator it
Between gap section be arranged position detection guide device 3, radio energy conversion module 8 be connected to circumference distribution wireless energy reception
The multi-coil wireless energy receiving coil and internal rotor of device；Wireless energy is installed on radio energy transmission transmitting coil 4
Emitter signalling means 7 is equipped with wireless energy reception device signalling means 6 in circumference distribution wireless energy reception device 5.
As the specific embodiment of the present invention, it is preferred that it is characterized in that, circumference distribution wireless energy receives
Device is placed on space multifreedom motion device hollow rotor inner surface, centered on armature spindle, vertical with armature spindle
Multiple coils are distributed by circumferential fashion with fixed angle in plane.
As the specific embodiment of the present invention, it is preferred that it is characterized in that, position detection guiding module 3 is arranged
There are four, it is located between stator and rotor, is uniformly distributed the multi-faceted covering that can ensure that signal.
It is described further below as the specific embodiment of the present invention.
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 a kind of suitable space multifreedom motion device proposed by the present invention is wireless
Electric energy transmitting device, comprising: wireless energy transmission control module 9, wireless energy transmission coil 4, wireless energy transmission device letter
Number device 7, wireless energy conversion module 8, wireless energy reception device signalling means 6, circumference distribution wireless energy reception device (three
Coil wireless energy reception device) 5, position detection guiding module 3.
Shown in the multi-freedom electric motor illustrated such as Fig. 1 and Fig. 5, wireless energy transmission control module 9 is in wireless energy transmission
The outside of coil is preset with charge capacity value in radio energy emission control module, when radio energy emitter signalling means 7 is examined
When measuring internal rotor battery less than preset first threshold values of charging, electric energy is conveyed to motor to radio energy transmitting coil 4
Internal rotor battery charges.9 principle of wireless energy transmission control module includes passing through high frequency inverter circuit as shown in Figure 8
DC voltage is converted into alternating voltage, system improves voltage by boost network, is coupling firing coil power supply.
As shown in Figure 1, wireless energy transmission coil 4 is placed on any position in the outside of stator in advance.As shown in Fig. 2, circumference
Distributed wireless energy acceptance device (three-winding wireless energy reception device) 5 is mounted on internal rotor, can be with radio energy
Transmitting coil docks and carries out electric energy transmission, the position detection guide device 3 of gap section between rotary motor rotor and stator,
Can be transferred to by signal rotor make its drive inside circumference distribution wireless energy reception device (three-winding is wireless
Energy acceptance device) 5 optimum positions for rotating to the charging of wireless energy transmission coil 4, specifically can by it is as shown in Figure 5 mostly from
It is placed on any position in the outside of stator in advance by degree motor wireless energy transmission coil 4, circumference distribution wireless energy receives dress
The inside that (three-winding wireless energy reception device) 5 is mounted on rotor is set, is connected in series by three inductance coils, to turn
Centered on sub- axis, every 120 ° of placements, one coil in the plane vertical with armature spindle, three are placed in rotor inner surface altogether
Coil.
Inside multi-freedom electric motor as shown in Figure 5, radio energy conversion module 8 is connected to circumference distribution wireless energy
Reception device (three-winding wireless energy reception device) is used between 5 and battery by circumference distribution wireless energy reception device
The electric energy of (three-winding wireless energy reception device) 5 is converted to the rechargeable electrical energy of battery, such as Fig. 8 institute of radio energy conversion module 8
Show and obtains the DC voltage that load battery needs by decompression network rectifying and wave-filtering.
Position detection guiding module 3 is placed between stator and rotor such as the specific more free freedom motors of Fig. 5, electricity
Machine rotor receives the first signal for being used to request to charge sent from position sensor, and rotor passes through the first signal
Determine the position of the wireless energy transmission coil 4, rotor determines optimum reception direction, rotor according to location information
Circumference distribution wireless energy reception device (the three-winding wireless energy for keeping it internal based on determining optimum reception direction rotation
Reception device) 5 rotate to wireless energy transmission coil 4 charging optimum position, and start receive charging signals.Position sensor
The signal that will test is transmitted to control unit after control unit is handled can carry out processing implementation adaptation external environment to signal
Variation, then send a signal to signal amplification module the f frequency signal received be amplified to suitable high-frequency signal and send out
It sees off.
There are four install respectively for the setting of position detection guiding module 3 for the multi-freedom electric motor illustrated as shown in Figure 1 and Figure 5
Between rotor and stator, it is uniformly distributed the multi-faceted covering that can ensure that signal.
In the multi-freedom electric motor illustrated as shown in Figure 1 and Figure 5, circumference distribution wireless energy reception device (three lines
Circle wireless energy reception device) 5 and wireless energy transmission device 4 structure on be separately installed with corresponding signalling means 6,7, it is described
Wireless energy transmission device signalling means 7 emits the electromagnetic wave that the first signal is space propagation, and the rotor is according to described the
One signal determines the location information of the wireless energy transmission coil 4, comprising: the rotor is according to described received
The directioin parameter of one signal determines the location information of the wireless energy transmission coil 4.
Wireless energy transmission device signalling means 7 emits the first signal, and first signal includes the location information, described
Rotor determines the location information of the wireless energy transmission coil 4 according to first signal, comprising: the rotor
The location information is extracted from first signal.
The circumference distribution wireless energy inside it is made based on determining optimum reception direction rotation in the rotor
Reception device (three-winding wireless energy reception device) 5 rotates to the optimum position of the charging of wireless energy transmission coil 4, and starts
Receive charging signals.
The circumference distribution wireless energy reception device (three-winding wireless energy reception device) 5 detects that electricity reaches
The second signal that the position sensor is sent is received when second threshold.The circumference distribution wireless energy reception device (three
Coil wireless energy reception device) the 5 response second signals, stop receiving charging signals.
Wireless energy conversion module obtains the DC voltage that load battery needs by decompression network rectifying and wave-filtering.Wirelessly
9 principle of energy transmitting control module includes: that DC voltage is converted to alternating voltage by high frequency inverter circuit, and system passes through
Boost network improves voltage, is coupling firing coil power supply.
Radio energy conversion module 8 is connected to circumference distribution wireless energy reception device, and (three-winding wireless energy receives
Coil) between 5 and internal rotor battery, it is used for that (three-winding wireless energy to connect by circumference distribution wireless energy reception device
Take-up circle) 5 received electric energy are converted to the rechargeable electrical energy of battery.Then by decompression network rectifying and wave-filtering, load battery is obtained
The DC voltage needed.
Radio energy transmitting coil 4 is placed on any position of rotary electric machine outer surface；Circumference distribution wireless energy
Reception device (three-winding wireless energy reception device) 5 is mounted on the closed hollow internal rotor of rotating electric machine, can with it is wireless
Energy transmitting coil 4 forms optimal charge position, carries out energy transmission, gap section between rotary motor rotor and stator
Position detection guide device 3, can be transferred to by signal rotor make its drive inside circumference distribution wireless energy
Reception device (three-winding wireless energy reception device) 5 rotates to the optimum position of the charging of wireless energy transmission coil 4.
Circumference distribution wireless energy reception device 5 is placed on the hollow closed internal rotor of rotating electric machine, in order to effectively improve
The coefficient of coup of system, due to influence the coefficient of coup factor first is that the size of mutual inductance value, by mutual inductance value formula:
Turn number N, radius r and coil-span d can be obtained, decisive role is played to coil mutual inductance, so this is devised
Circumference distribution wireless energy reception device, it is the multi-thread coil structures of centrosymmetric structure, can use central symmetry mode
Multiple coils are arbitrarily added, this is introduced by taking three-winding wireless energy reception device as an example, and three-winding wireless energy receives
It is connected in series device by three inductance coils, is mounted on rotor inner surface, can effectively increase the transmission effect of receiving coil
Rate.Quickly nearest receiving coil can be rotated at transmitting coil when rotor receives the signal of rotation.
Radio energy conversion module 8 is connected to circumference distribution wireless energy reception device, and (three-winding wireless energy receives
Coil) between 5 and internal rotor battery, it is used for that (three-winding wireless energy to connect by circumference distribution wireless energy reception device
Take-up circle) 5 received electric energy are converted to the rechargeable electrical energy of battery.Then by decompression network rectifying and wave-filtering, load battery is obtained
The DC voltage needed.
Position detection guide device 3 is mounted between motor stator and rotor, and rotor, which receives, comes from position sensor
The first signal for being used to request to charge sent；The rotor determines the wireless energy transmission by the first signal
The position of coil；The rotor determines optimum reception direction according to location information；The rotor based on it is determining most
Good receiving direction rotation, makes the coil nearest apart from wireless energy transmission coil rotate to the optimum position of charging.Position sensing
The signal that device will test is transmitted to control unit after control unit is handled can carry out the extraneous ring of processing implementation adaptation to signal
Then the variation in border sends a signal to signal amplification module for the f frequency signal received and is amplified to suitable high-frequency signal
It sends.
(transmission of three-winding radio energy connects radio energy transmission 4 circumference distribution wireless energy reception device of transmitting coil
Receiving apparatus) corresponding signalling means is separately installed on 5, battery capacity is detected in radio energy transmission transmitting coil signalling means 7
When less than first threshold, the rotor receive that the position sensor sends for request first to charge letter
Number, so that the rotor determines by first signal position of the wireless energy transmission coil；The motor turns
Son determines optimum reception direction according to location information, and wireless according to the circumference distribution that the rotation of optimum reception direction keeps it internal
Energy acceptance device (three-winding wireless energy reception device) 5 rotates to the optimum position of the charging of wireless energy transmission coil 4, nothing
Line electric energy transmission receiving coil signalling means 6 simultaneously starts to receive charging signals.Detecting that the self electric quantity reaches second threshold
When, the circumference distribution wireless energy reception device (three-winding wireless energy reception device) receives radio energy emitter
The second signal that signalling means 7 is sent, the second signal are used to indicate circumference distribution wireless energy reception device (three lines
Enclose wireless energy reception device) 5 stopping reception charging signals.The first threshold is less than the second threshold.
It is the electromagnetic wave transmitted in space that position detection guide device 3, which emits the first signal, and the rotor is according to institute
State the position that the first signal determines the wireless energy transmission coil, comprising: the rotor is according to described received
The directioin parameter of one signal determines the location information of the wireless energy transmission coil.
First signal includes the location information, and the rotor determines described wireless according to first signal
The location information of energy transmitting coil 4, comprising: the rotor extracts the location information from first signal.
When radio energy transmission transmitting coil signalling means 7 detects that battery capacity is less than first threshold, the motor turns
Son receives the first signal for being used to request to charge that the position detection guide device 3 is sent, so as to the rotor
The position of the wireless energy transmission coil 4 is determined by first signal；The rotor is determined according to location information
Optimum reception direction, and circumference distribution wireless energy reception device (three lines for keeping it internal according to the rotation of optimum reception direction
Circle wireless energy reception device) 5 the optimum position of wireless energy transmission coil charges is rotated to, and start to receive charging signals.
The circumference distribution wireless energy inside it is made based on determining optimum reception direction rotation in the rotor
Reception device (three-winding wireless energy reception device) 5 rotates to the optimum position of the charging of wireless energy transmission coil 4, and starts
After reception charging signals, further includes: (three-winding wireless energy receives dress to the circumference distribution wireless energy reception device
Set) it 5 detects and receives the second signal that the wireless energy transmission device signalling means 7 is sent when electricity reaches second threshold.Institute
It states three-winding wireless energy reception device 5 and responds the second signal, stop receiving charging signals.
It can be applied to the space multifreedom motion device that rotor portion is spherical hollow structure, and can be in movement
The charging of space multifreedom motion device, can also be applied to the charging of battery.The wireless electric energy transmission device can provide maximum
The transimission power of 15W.
Not addressing part those skilled in the art above can implement.
The above is the embodiment of this invention achievement, this invention is with regard to multi-freedom degree spherical motor as case
Example has done implementation plan in detail, but the present invention is not only limited to the use of globular motor, and circumference distribution wireless energy is connect
Receiving apparatus, this has done detailed implementation plan with regard to a kind of three-winding wireless energy reception device of Central Symmetric.
Above-described embodiment is exemplary, and is not considered as limiting the invention, although with reference to the foregoing embodiments to this
Invention is described in detail, and for those skilled in the art, can still not depart from the principle of the invention and objective
In the case where above scheme can be changed, modify within the scope of the invention, or to part of technical characteristic into
Row equivalent replacement, improvement etc..Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention,
It should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of spacing wireless electric energy transfer approach characterized by comprising wireless energy transmission unit, wireless energy receive
Unit and position detection guidance unit；
Wireless energy transmission unit includes: wireless energy transmission control module, wireless energy transmission coil, wireless energy transmission mould
Block signal device；
Wireless energy receiving unit includes: that wireless energy receiving module signalling means, wireless energy receiving module and wireless energy turn
Change the mold block；Wireless energy receiving module includes the wireless energy receiving coil of motor control；
Position detection guidance unit includes: position sensing module, processing module and signaling module；It charges for sending request
The first signal and the position of the wireless energy transmission coil is determined by the first signal, make signal after processing module is handled
Amplification, signaling module send signal, and rotating the rotor of the wireless energy receiving module of wireless energy receiving unit makes nothing
Heat input transmitting coil rotates to the optimum reception direction position of charging, receives charging signals；Wireless energy conversion module is by nothing
The received electric energy of heat input receiving coil is converted to the rechargeable electrical energy of battery；Wireless energy transmission module by signal device and wireless energy
Reception device signalling means, which is realized, charges to telecontrol equipment charging or battery；
Space transmission includes to closed space made of non-magnetic shielding material, or to by metal material or by non-magnetic cup
Cover the inside transmission of non-confined space made of material.
2. spacing wireless electric energy transfer approach as described in claim 1, it is characterised in that: the wireless energy receiving module
For circumference distribution wireless energy receiving module, wireless energy receiving coil be circumferencial direction it is angled be distributed with 3 with
On tandem circular inductive coil.
3. spacing wireless electric energy transfer approach as described in claim 1, it is characterised in that: when position sensing module detects nothing
The charge capacity that heat input conversion module gives telecontrol equipment charging or battery charging, which reaches, will test when second threshold
Signal sends second signal after processor is handled and gives wireless energy receiving module, wireless energy receiving module response described second
Signal stops receiving charging signals, stops the energy for receiving wireless energy transmission coil.
4. device used in spacing wireless electric energy transfer approach as claimed in claim 1,2 or 3, it is characterised in that wireless energy
Charge capacity value is preset in emission control module, when radio energy transmitting module signalling means detect to telecontrol equipment charging or
When the charge volume of battery charging is less than charging preset first threshold values, i.e., filled to wireless energy transmission coil conveying electric energy
Electricity.
5. device used in a kind of spacing wireless electric energy transfer approach as described in claim 1,2,3 or 4, which is characterized in that
It include: wireless energy transmission unit, wireless energy receiving unit and position detection guide device (3)；
Wireless energy transmission unit includes: wireless energy transmission control module (9), wireless energy transmission coil (4), wireless energy
Emitter signalling means (7)；Radio energy transmission transmitting coil (4) is connected with wireless energy transmission device signalling means (7)；Wirelessly
Energy transmitting control module (9) includes DC voltage being converted to alternating voltage by high frequency inverter circuit, system passes through liter
Pressure network network improves voltage, is coupling firing coil power supply；Wireless energy transmission unit connects wireless energy transmission to wireless energy
Receive unit；
Wireless energy receiving unit includes: wireless energy reception device signalling means (6), wireless energy reception device (5), wireless energy
It measures conversion module (8)；It include motor-controlled wireless energy receiving coil in wireless energy reception device (5)；Wireless energy
Reception device signalling means (6) is connected with wireless energy reception device (5) receiving coil；Wireless energy receiving unit receives wireless energy
Measure the wireless energy of transmitting unit transmitting；
Position detection guide device (3) includes position sensor and motor, and position sensor detects transmission unit wireless energy hair
The first signal that the position detection guiding module that ray circle (4) sends a request to charges simultaneously determines the nothing by the first signal
The position of heat input transmitting coil amplifies signal after processing module is handled and sends signal, when wireless energy receiving module
The signal that signalling means receives position guiding module makes rotor rotation that wireless energy transmission coil be made to rotate to charging most
Good receiving direction position receives charging signals；Wireless energy conversion module (8) turns the received electric energy of wireless energy receiving coil
It is changed to the rechargeable electrical energy of battery；Wireless energy transmission module by signal device and wireless energy reception device signalling means are realized to sportswear
Set charging or battery charging.
6. device used in spacing wireless electric energy transfer approach as claimed in claim 5, which is characterized in that the wireless energy
Measuring reception device (5) is circumference distribution wireless energy reception device, receives the energy from wireless energy transmission device, nothing
Heat input receiving coil is in the angled tandem circular inductive coil for being distributed with 3 or more of circumferencial direction.
7. the application of spacing wireless electric energy transfer approach and device as described in any item of claim 1-6, feature exist
In the radio energy for multifreedom motion motor transmits；Radio energy transmitting coil (4) is placed on rotary electric machine appearance
Any position in face；Circumference distribution wireless energy reception device is mounted on the closed hollow internal rotor of rotating electric machine, can be with
Wireless energy transmission coil (4) forms optimal charge position；Position is arranged in gap section between rotary motor rotor and stator
Detect guide device (3), radio energy conversion module (8) be connected to the multi-coil of circumference distribution wireless energy reception device without
Heat input receiving coil and internal rotor；Wireless energy transmission device signal is installed in radio energy transmission transmitting coil (4)
Device (7) is equipped with wireless energy reception device signalling means (6) in circumference distribution wireless energy reception device (5).
8. method used in a kind of pair of telecontrol equipment as claimed in claim 7 or the radio energy transfer approach of battery charging
And the application of device, which is characterized in that circumference distribution wireless energy reception device is placed on space multifreedom motion device
Hollow rotor inner surface passes through circumferential fashion point in the plane vertical with armature spindle centered on armature spindle with fixed angle
The multiple coils of cloth.
9. method used in a kind of pair of telecontrol equipment as claimed in claim 7 or the radio energy transfer approach of battery charging
And the application of device, which is characterized in that there are four position detection guiding module (3) settings, is located between stator and rotor,
It is uniformly distributed the multi-faceted covering that can ensure that signal.
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| CN201910213105.8A CN109742871B (en) | 2019-03-20 | 2019-03-20 | Space wireless electric energy transmission device |
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| CN201910213105.8A CN109742871B (en) | 2019-03-20 | 2019-03-20 | Space wireless electric energy transmission device |
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| WO2023116757A1 (en) * | 2021-12-24 | 2023-06-29 | 维沃移动通信有限公司 | Wireless charging apparatus |
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| CN109742871B (en) | 2022-05-31 |
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