CN108092419A - Instructional device based on electromagnetic coupling radio energy-transmitting - Google Patents

Instructional device based on electromagnetic coupling radio energy-transmitting Download PDF

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Publication number
CN108092419A
CN108092419A CN201810057083.6A CN201810057083A CN108092419A CN 108092419 A CN108092419 A CN 108092419A CN 201810057083 A CN201810057083 A CN 201810057083A CN 108092419 A CN108092419 A CN 108092419A
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China
Prior art keywords
resonance
transmitting
coil
reception
knob
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CN201810057083.6A
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CN108092419B (en
Inventor
刘艺柱
邱美艳
孙天航
邢国麟
于学刚
张学谦
陈涛
李豪斌
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Tianjin Sino German Vocational Technical College
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Tianjin Sino German Vocational Technical College
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/181Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
    • H02J7/025

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

The present invention relates to instructional device technical fields, and in particular to a kind of instructional device based on electromagnetic coupling radio energy-transmitting, including emitter, resonance device and reception device;The invention has the beneficial effects that apparatus module, coil can be plugged continuously, be facilitated and coil and more emat coil be added and subtracted in experimentation as the experiment saving plenty of time using direct insertion.Coil rotational angle is driven by stepper motor, by the engagement between gear coil is made precisely to adjust automatic rotation angle.

Description

Instructional device based on electromagnetic coupling radio energy-transmitting
Technical field
The present invention relates to instructional device technical fields, and in particular to a kind of teaching dress based on electromagnetic coupling radio energy-transmitting It puts.
Background technology
In November, 2006, Massachusetts Institute Technology MIT departments of physics assistant professor Sol Jia Xike Marin Soljacic It is proposed a kind of new theory that electromagnetic energy can be utilized by wireless power transmission technology.Resonance is served as using two copper wire coils Device, a coil is connected with power supply, as transmitter;Another is connected with desk lamp, serves as receiver.As a result, they are successfully 60 watts of electric lights over one 2.13 meters away from transmitter are lighted.Wherein induction wireless power technology is domestic and international science Boundary and industrial quarters start the frontier explored, and belong to the advanced subject in electrical energy transportation field in the world.At present, student is learning When habit understands magnetic resonance coupling, electromagnetic field, high-frequency power electronic, electromagnetic induction, coupled mode theory, since these knowledge compare pumping As student understands difficulty, student can not be allowed deeply to understand knowledge point.Due to the not corresponding a large amount of correlative studys of experimental provision only Theory analysis can be rested on.
The actual training device volume that patent CN106940957A (201710337841.5) is disclosed is heavy, and function is single, It can only do with targetedly single experiment, plus-minus coil is more difficult in the process by contrast experiment, and laboratory operating procedures are extremely numerous It is trivial.Coil rotation angle cannot automatically adjust, and adjust the reliability for greatly reducing experimental data manually, since track runs through line Circle, therefore coil rotation angle section is smaller, greatly reduces the operability of device, at the same disclosed in the patent coil with Track is fixed as one, and leads to not change the distance between coil, can not study the relation between distance and efficiency of transmission, and then reduce The application range of this experimental provision, and device non-modularization, are unfavorable for teaching experiment application.
A kind of experiment device for teaching for magnet coupled resonant type wireless power transmission that 204102405 U of patent CN are disclosed It is described " by mobile receiving circuit coil brace, distance change between radiating circuit coil and receiving circuit coil to be observed When, the variation that loads in receiving circuit, such as the light levels of bulb load, that is, observe the variation of power transmission efficiency." dress Manually regulating winding distance is put, the brightness of the light bulb that detects by an unaided eye draws the variation of power transmission efficiency, this judges to pass The method of defeated efficiency not science, because the brightness of light bulb reaches certain limit and can be applied alone there are light decay and visually observe lamp Brightness is as the method not science for judging efficiency of transmission, it is impossible to show that efficiency of transmission changes with exact data, so this is filled Put the meaning for also losing practice teaching.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art provide a kind of teaching based on electromagnetic coupling radio energy-transmitting Device and experimental method.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of instructional device based on electromagnetic coupling radio energy-transmitting, including emitter, resonance device and reception device;
The emitter includes transmitting coil, the transmitting rotating platform for the fixed transmitting coil, transmitting It housing and is arranged in the transmitting housing to drive the transmitting rotating mechanism that the transmitting rotating platform rotates;Institute The transmitting rotating mechanism stated includes being arranged on transmitting motor knob and the transmitting motor in the transmitting housing sidewall The transmitting motor drive module of knob connection, by described transmitting motor drive module driving transmitting stepper motor, with it is described The connection of transmitting stepper motor transmitting angular wheel and the transmitting connecting shaft that is connected with the transmitting angular wheel;It is described The other end of transmitting connecting shaft be connected with the transmitting rotating platform through the transmitting housing and drive the hair Rotating platform is penetrated to be rotated;
The resonance device includes resonance coil, resonance rotating platform, resonance shell for the fixed resonance coil Body and it is arranged on resonance rotating mechanism in the resonance housing for the resonance rotating platform to be driven to rotate;It is described Resonance rotating mechanism include the resonant motor knob being arranged in the resonance housing sidewall and revolved with the resonant motor The resonant motor drive module of button connection, the resonance stepper motor driven by the resonant motor drive module, with it is described The resonance angular wheel of resonance stepper motor connection and the resonance connecting shaft being connected with the resonance angular wheel;Described The other end that resonance connection is taken out is connected with the resonance rotating platform through the resonance housing and drives the resonance Rotating platform is rotated;
The reception device includes receiving coil, the reception hoistable platform for the fixed receiving coil, reception Housing and it is arranged on the reception elevator for being used to that the reception hoistable platform be driven to be lifted in the receptions housing Structure;The reception elevating mechanism includes the reception motor knob being arranged in the reception housing sidewall, is connect with described Receive the connection of motor knob receive motor drive module, by the reception stepper motor for receiving motor drive module driving, The reception gear being connected with the reception stepper motor and the reception rack engaged with the reception gear;Described connects Rack is received to be connected with the reception drop platform through the reception housing and the reception hoistable platform is driven to be risen Drop.
Transmitting rotating platform center described in the emitter is provided with to plug the emission lines The transmitting socket of circle;The transmitting coil is the transmitting coil of the different line footpaths of series, coil diameter and the number of turn, and line footpath is Either one kind coil diameter in 1.50mm is one kind in 100mm, 150mm or 200mm by 1.00mm, 1.25mm, coil turn Number is one kind in 2,4 or 6;Transmitting coil uses planar spiral-type winding, and the transmitting coil is equipped with transmitting plug; The transmitting plug is connected by emitting pin connector with the transmitting socket.
In the emitter, transmitting rail structure is provided with below the transmitting housing for adjusting emitter The distance between other devices.
In the emitter, emission power plug, emission power switch are additionally provided on the side wall of the transmitting housing Button, emission power indicator light, transmitting oscillograph interface, the emission inductance adjusting knob being connected with emission inductance adjustment module, The transmitting capacitance adjustment knob being connected with transmitting capacitance adjustment module, the emitting voltage being connected with emitting voltage adjustment module are adjusted Knob and emitting voltage display scale disk, the emission current display scale disk being connected with emission current adjustment module, with transmitting The transmitting labview test channel interfaces of labview test modules connection and transmitting radiator window;The transmitting oscillograph Interface is two, and one of transmitting oscillograph interface is waveform output terminal, another transmitting oscillograph interface is ground terminal, Two interfaces are connected respectively at the transmitting coil;Transmitting oscillograph can be connected when the system is operating to collect transmitting coil The amplitude and frequency of middle voltage can change transmitting coil by adjusting transmitting capacitance adjustment knob and emission inductance adjusting knob Self-resonant frequency so as to instructional device caused by frequency reach consistent.
In the resonance device, the resonance rotating platform center is provided with to plug the resonance line The resonance socket of circle;In the resonance device, resonoscope interface and resonance are additionally provided on the side wall of the resonance housing Adjustment of inductance module connection resonant inductance adjusting knob, be connected with resonant capacitance adjustment module resonant capacitance adjusting knob, The resonance potential display scale disk being connected with resonance potential display module, the resonance current being connected with resonance current display module are shown Show resonance labview test channel interfaces, resonance radiator window and resonance lithium electricity that dial is connected with labview test modules Pond interface;
The resonant capacitance adjustment module includes one group of resonance stator and one group of resonance movable plate, and is connected in parallel on resonance coil Resonance socket both ends;The resonant capacitance adjusting knob is connected with resonance movable plate, and capacity is continuous with the rotation of resonance movable plate Change to achieve the purpose that change capacitance, capacitance adjustable extent is in 10-270pF;The resonance controllable impedance module is by humorous Shake adjustable common mode inductance composition, and the adjustable common mode inductance of resonance uses threaded soft magnetic ferrite, resonance controllable impedance mould Block is connected with resonance resonance coil socket both ends, and resonant inductance adjusting knob is by controlling the iron core of soft magnetic ferrite can in resonance The position in inductor module is adjusted to change inductance size, inductance value adjustable extent is in 2.1-6.8uH;
The resonoscope interface is two, one of them is waveform output terminal, another is ground terminal, two Interface is connected respectively with the resonance coil on the resonance rotating platform;Oscillograph can be connected when the system is operating to show The amplitude and frequency of the voltage in the resonance coil of resonance rotating platform interface are currently inserted into, rotation is adjusted by adjusting resonant capacitance Button and resonance adjustment of inductance knob come change the self-resonant frequency of resonance coil so as to and resonance device caused by frequency reach Unanimously.
In the resonance device, the resonance lithium battery charging interface is in vivo humorous with being arranged on the resonance shell The lithium battery that shakes connection is used to charge for the resonance lithium battery.
In the reception device, the reception hoistable platform center is provided with to plug the reception line The reception socket of circle;The receiving coil is the receiving coil of the different line footpaths of series, coil diameter and the number of turn, and line footpath is Either one kind coil diameter in 1.50mm is one kind in 100mm, 150mm or 200mm by 1.00mm, 1.25mm, coil turn Number is one kind in 2,4 or 6;Receiving coil uses planar spiral-type winding, and the receiving coil, which is equipped with, receives plug; The reception plug is connected by receiving pin connector with the reception socket;
It is additionally provided on the side wall for receiving housing and receives capacitance adjustment knob, receive adjustment of inductance knob, receive oscillography Device interface, receiving voltage display scale disk receive electric current display scale disk, receive labview test channel interfaces, receive load LED lamp array receives load changeover switch, receives loading interfaces, receives radiator window and receives lithium battery charging interface;Institute The reception lithium battery charging interface stated is connected to connect to be described with being arranged on the in vivo lithium battery that receives of the reception shell Lithium battery is received to charge;For the load changeover switch for switching load LED lamp array and loading interfaces, the loading interfaces can With external capacity load, inductive load resistive load.
Present invention additionally comprises a kind of experimental method of the instructional device based on the electromagnetic coupling radio energy-transmitting, features It is, comprises the following steps:
Step 1: transmitting coil, is plugged on the hair for emitting rotating platform by the transmitting coil for the different model that selection is equipped with It penetrates in socket, selects the resonance coil of the different model of instructional device outfit, resonance coil is plugged on resonance rotating platform In resonance socket;It rotates resonance hoistable platform and adjusts resonance knob to open resonance driving stepper motor module;What selection was equipped with Receiving coil is plugged in the reception socket for receiving hoistable platform by the receiving coil of different model;
Step 2: emission power plug is accessed power supply, lithium battery is mounted on to the resonance lithium battery of resonance housing side In box, this lithium battery is used for the resonance stepper motor inside resonance device and resonance driving stepper motor module for power supply;It uses Charger with resonance lithium battery charge port should be connected before, charge for instructional device and used for resonance stepper motor;It presses Emission power switchs, and emission power indicator light is bright, and emitter has been started up at this time;
Step 3: it is read by the emitting voltage display scale disk on observation transmitting housing and emission current display scale disk The voltage value and current value of current input transmitting coil are taken, changes current input transmitting coil by emitting voltage adjusting knob Voltage and current;It can be read by observing resonance potential display scale disk and the resonance current display scale disk of resonance device It gets the voltage value at current receiving coil both ends and flows through the current value of receiving coil;
It is determined by reading the scale below the resonant inductance adjusting knob and resonance capacitance adjustment knob of resonance device The size of current controllable impedance and tunable capacitor;By reading the reception adjustment of inductance knob of reception device or receiving capacitance tune The scale below knob is saved to determine the size of current controllable impedance and tunable capacitor;
Step 4: the transmitting oscilloprobe common port of emitter is linked into the transmitting oscillograph interface of ground terminal, Signal acquisition terminal is connected with the transmitting oscillograph interface of waveform output terminal, by adjusting emission inductance adjusting knob and transmitting electricity Hold adjusting knob to adjust transmitting coil self-resonant frequency, present coil is read by observing the display screen of transmitting oscillograph Frequency, waveform, amplitude, phase;The oscillograph first passage probe common port of resonance device is linked into resonoscope End interface is grounded, the waveform output terminal of signal acquisition terminal and resonoscope is connected, by adjusting resonant inductance adjusting knob The self-resonant frequency of resonance coil is adjusted with resonance capacitance adjustment knob;
Step 5: it determines to work as by reading the dial below resonant inductance adjusting knob and resonance capacitance adjustment knob The size of preceding controllable impedance and tunable capacitor;By being loaded by the reception load changeover switch of reception device to convert Rreceive output Type can select different types of load, can select receive receive housing side LED light and receive loading interfaces come Select different loads;
Step 6: user can connect the labview test devices transmitting labview TCH test channel external with emitter Mouth connects to be acquired voltage, electric current, capacitance, inductance, frequency, power, amplitude and phase thus with computer to measurement Data carry out analysis and calculate storage;
Step 7: user can change coil compared with it by adjusting the rotating platform adjusting knob on emitter The angle of his device;Emission lines can also be changed by adjusting the transmitting rotating platform adjusting transmitting knob of transmitting housing upper face Circle is compared with the angle for emitting housing;
Step 8: the resonance coil of different shapes that user can replace different configuration of different model is inserted into resonance shell It is adjusted on resonance socket at the top of body on resonance rotating platform, repeats above step;
Step 9: closing stepper motor Switching Power Supply and emitter power supply, experiment equipment is arranged.
Compared with prior art, beneficial effects of the present invention:
The invention has the beneficial effects that apparatus module, coil can be plugged continuously, be facilitated experimentation using direct insertion Middle plus-minus coil and more emat coil save the plenty of time for experiment.Coil rotational angle is driven by stepper motor, by between gear Engagement coil is made precisely to adjust automatic rotation angle.
Description of the drawings
Fig. 1 is emitter overall diagram of the present invention;
Fig. 2 is emitter interior view of the present invention;
Fig. 3 is resonance device overall diagram of the present invention;
Fig. 4 is resonance device interior view of the present invention;
Fig. 5 is reception device overall diagram of the present invention;
Fig. 6 is reception device interior view of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and embodiments.
A kind of instructional device based on electromagnetic coupling radio energy-transmitting as shown Fig. 1-6, including emitter, resonance device with And reception device;
Emitter as shown in Figs. 1-2, including transmitting coil 1-1, for the transmitting rotation of the fixed transmitting coil Platform 1-2, emit housing 1-4 and be arranged on what is rotated in the transmitting housing for driving the transmitting rotating platform Emit rotating mechanism;The transmitting rotating mechanism includes the transmitting motor knob 1- being arranged in the transmitting housing sidewall 15th, what is be connected with the transmitting motor knob emits motor drive module 1-20, is driven by the transmitting motor drive module It dynamic transmitting stepper motor 1-21, the transmitting angular wheel being connected with the transmitting stepper motor and is bored with the transmitting The transmitting connecting shaft 1-24 of shape gear connection;The 12v stepper motors that the transmitting stepper motor 1-21 is 35BYJ412B, hair Driving stepper motor module is penetrated using ULN2003 drive modules, transmitting angular wheel select 40 tooth, 5 mould angular wheel 1-22 and The angular wheel 1-23 of 15 tooth, 5 mould, the transmitting stepper motor 1-21 and emit tooth angular wheel 1-22 and connect, 40 tooth conical tooths Wheel and 15 tooth angular wheel 1-23 are engaged, and the lower end of transmitting connecting shaft 1-24 is connected with transmitting tooth angular wheel, described The other end of transmitting connecting shaft 1-24 is connected with the transmitting rotating platform 1-2 through the housing and drives the hair Rotating platform is penetrated to be rotated.There are transmitting rotating platform adjustment dial 1-18 in the transmitting motor knob 1-15 lower ends, adjust Angular range is -180 ° -180 °, and the transmitting rotating platform center is provided with to plug the transmitting coil Emit socket 1-3.
The transmitting coil for the different line footpaths of series, coil diameter and the number of turn transmitting coil, line footpath 1.00mm, Either one kind coil diameter in 1.50mm is one kind in 100mm, 150mm or 200mm to 1.25mm, coil turn 2,4 Or one kind in 6;Transmitting coil uses planar spiral-type winding, and the transmitting coil is equipped with transmitting plug;Described Transmitting plug is connected by emitting pin connector 1-3 with the transmitting socket.The transmitting housing is long 200mm, wide The cuboid box of 100mm.Transmitting rail structure is provided with below the transmitting housing for adjusting emitter and other The distance between device.
Emission power plug 1-13, emission power switch button 1-5, transmitting electricity are additionally provided on the side wall of the transmitting housing Source indicator light 1-6, the emission inductance adjusting knob 1-7 for emitting oscillograph interface 1-10, being connected with emission inductance adjustment module, set It puts in the emission inductance dial 1-16 in the emission inductance adjusting knob 1-7 ring weeks, with transmitting capacitance adjustment module and is connected Transmitting capacitance adjustment knob, be arranged on the transmitting capacitance adjustment knob 1-8 ring weeks transmitting capacitance dial 1-17 and The emitting voltage display scale disk 1-11 of emitting voltage adjustment module connection, the emission current being connected with emission current adjustment module Display scale disk 1-12, transmitting labview test channel interfaces 1-14, the Yi Jifa being connected with transmitting labview test modules Penetrate radiator window 1-19.
The transmitting capacitance adjustment module includes one group of stator and one group of movable plate, and is connected in parallel on transmitting coil socket both ends; The transmitting capacitance adjustment knob is connected with movable plate, and capacity, which continuously changes to reach with the rotation of movable plate, changes capacitance Purpose, capacitance adjustable extent is in 10-270pF;The transmitting controllable impedance module is formed by emitting adjustable common mode inductance, described Emit adjustable common mode inductance using threaded soft magnetic ferrite, transmitting controllable impedance module is gone here and there with transmitting coil socket both ends Connection, emission inductance adjusting knob are big to change inductance by controlling position of the iron core of soft magnetic ferrite in controllable impedance is emitted It is small, inductance value adjustable extent 2.1-6.8uH.The nominal diameter of the emission inductance adjusting knob be 2.5cm, emission inductance scale The scope that disk is adjusted is can to determine the size of current inductance by emission inductance dial reading from 2.1-6.8 microhenrys.Institute The nominal diameter of transmitting capacitance adjustment knob coarse adjustment is stated as 2.5cm, the scope that transmitting capacitance dial is adjusted be from 10-270pF, The size of capacitance present can be determined by emitting capacitance dial reading.The nominal of the emitting voltage adjusting knob is straight Footpath is 4cm, and the scope of adjusting is can to read the voltage value of input by the pointer of emitting voltage display scale disk from 0-30V.
The transmitting oscillograph interface is two, and one of transmitting oscillograph interface is waveform output terminal, in addition one A transmitting oscillograph interface is ground terminal, and two interfaces are connected respectively at the transmitting coil;It can connect when the system is operating Sending and receiving penetrate oscillograph to collect the amplitude and frequency of voltage in transmitting coil, by adjusting transmitting capacitance adjustment knob and transmitting electricity Sense adjusting knob can change the self-resonant frequency of transmitting coil so as to instructional device caused by frequency reach consistent.
A kind of resonance device as shown Fig. 3-4, including resonance coil 2-14, for the rotation of the fixed resonance coil It platform 2-11, resonance housing 2-1 and is arranged in the resonance housing that the resonance rotating platform is driven to rotate Resonance rotating mechanism;In the present invention preferred resonance housing be long 200mm, the cuboid box of wide 100mm.The resonance Rotating mechanism includes the resonant motor knob 2-17 being arranged in the resonance housing sidewall, is arranged on the resonant motor The resonant motor knob dial 2-21 in knob ring week, the resonant motor drive module 2- being connected with the resonant motor knob 16th, it is connected by the resonance stepper motor 2-11 that the resonant motor drive module drives, with the resonance stepper motor Resonance angular wheel and the resonance connecting shaft 2-24 being connected with the resonance angular wheel;2-24 is taken out in the resonance connection The other end be connected through the resonance housing with the resonance rotating platform and drive the resonance rotating platform into Row rotation;The resonance stepper motor 2-18 is the 12v stepper motors of 35BYJ412B, and driving stepper motor module uses ULN2003 drive modules, resonance angular wheel select the angular wheel of 5 mould of angular wheel and 15 tooth of 40 tooth, 5 mould, the resonance Stepper motor and 40 tooth resonance angular wheel 2-22 connections, 40 tooth resonance angular wheels and 15 tooth resonance angular wheel 2-23 are carried out Engagement, the lower end of resonance connecting shaft 2-24 are connected with 15 tooth resonance angular wheels, and resonance housing 2-1 and rotating platform are run through in upper end Connection, by adjusting resonance rotating platform adjusting knob band dynamic resonance driving stepper motor module, so as to dynamic resonance stepping electricity Machine drives gear drive and then resonance rotating platform is driven to rotate, and the adjustable range of resonant motor knob dial is -180 ° - 180°.The resonance coil is square coil 2-25, oval coil 2-26, rectangular coil 2-27 or circular coil One kind in 2-14.The resonance that the resonance rotating platform center is provided with to plug the resonance coil is inserted Mouthful.
It is additionally provided with resonoscope interface 2-8 on the side wall of the resonance housing, is connected with resonant inductance adjustment module Resonant inductance adjusting knob, the resonant inductance dial 2-19 and resonance for being arranged on the resonant inductance adjusting knob ring week The resonant capacitance adjusting knob 2-4 of capacitance adjustment module connection, the resonance for being arranged on the resonant capacitance adjusting knob ring week Capacitance dial 2-20, the resonance potential display scale disk 2-9 being connected with resonance potential display module, mould is shown with resonance current The resonance current display scale disk 2-10 of block connection, the resonance labview TCH test channels being connected with resonance labview test modules Interface 2-13, resonance radiator window 2-15 and resonance lithium battery interface 2-5.The resonance lithium battery charging interface is with setting It is used to charge for the resonance lithium battery 2-2 in the in vivo resonance lithium battery connection of resonance shell, the resonance lithium 2 card insertion of battery is in resonance lithium battery slot 2-3.
The resonant capacitance adjustment module includes one group of stator and one group of movable plate, and is connected in parallel on resonance coil socket both ends; The resonant capacitance adjusting knob is connected with movable plate, and capacity, which continuously changes to reach with the rotation of movable plate, changes capacitance Purpose adjusts foundation,Resonant capacitance amount adjustable extent is in 10-270p;The resonance controllable impedance module is by resonance Adjustable common mode inductance composition, the adjustable common mode inductance of resonance use threaded soft magnetic ferrite, resonance controllable impedance module It connects with resonance coil socket both ends, resonant inductance adjusting knob is by controlling the iron core of soft magnetic ferrite in resonance controllable impedance In position change inductance size, inductance value adjustable extent 2.1-6.8uF.The nominal diameter of the resonant inductance adjusting knob For 2.5cm, the scope that resonant inductance dial is adjusted is from 2.1-6.8uH, can be come by resonant inductance dial reading true The size of settled preceding inductance.The nominal diameter of the resonant capacitance adjusting knob coarse adjustment is 2.5cm, and resonant capacitance dial is adjusted Scope be that can determine the size of capacitance present by dial reading from 10-270pF.The resonance potential display is carved Scale is embedded in resonance hull outside, scale 0-30V, one division 5v, two indexing 1v, for showing the voltage at resonance coil both ends Amplitude.The resonance current display scale disk:It is embedded in resonance hull outside, scale 0-2A, one division 0.5A, two indexing 0.1A, for showing the current amplitude in resonance coil.The resonance coil is equipped with different line footpaths, coil diameter and the number of turn Resonance coil, line footpath can be 1.00mm, 1.25mm, 1.50mm, coil diameter can be 100mm, 150mm, 200mm, coil turn Can be 2,4,6 etc..The resonoscope interface is two, one of them is waveform output terminal, another is ground terminal, Two interfaces are connected respectively at the resonance coil on the resonance rotating platform;Resonance oscillography can be connected when the system is operating Device is currently inserted into the amplitude and frequency of the voltage in the resonance coil of resonance rotating platform interface to show, by adjusting resonance electricity Hold adjusting knob and resonance adjustment of inductance knob changes the self-resonant frequency of resonance coil thus and frequency caused by resonance device Rate reaches consistent.
Fig. 5-6 shows a kind of reception device:Including receiving coil 3-1, for the reception liter of the fixed receiving coil Drop platform 3-2, receive housing 3-4 and be arranged in the reception housing that the reception hoistable platform is driven to carry out The reception elevating mechanism of lifting;The reception elevating mechanism includes the reception motor being arranged in the reception housing sidewall Knob 3-14, the reception motor drive module 3-22 being connected with the reception motor knob, driven by the reception motor The reception stepper motor 3-21 of module drive, be connected with the reception stepper motor receive gear 3-25 and with it is described Receive the reception rack 3-26 of gear engagement;The rack that receives is lifted through the housing that receives with the reception Platform connects and the reception hoistable platform is driven to be lifted.The reception hoistable platform center, which is provided with, to be used for The reception socket 3-3 of the plug receiving coil.The 12v stepper motors that the reception stepper motor is 35BYJ412B, it is described It receives driving stepper motor module and uses ULN2003 drive modules.The receiving coil is the different line footpaths of series, coil diameter With the receiving coil of the number of turn, one kind in line footpath 1.00mm, 1.25mm or 1.50mm, coil diameter 100mm, 150mm Either one kind coil turn in 200mm is one kind in 2,4 or 6;Receiving coil uses planar spiral-type winding, described Receiving coil be equipped with receive plug;The reception plug is connected by pin connector with the reception socket 3-3.
The reception capacitance adjustment knob 3- being connected with receiving capacitance adjustment module is additionally provided on the side wall for receiving housing 8th, reception adjustment of inductance knob 3-9, reception oscillograph interface 3-10 and the receiving voltage tune being connected with receiving adjustment of inductance module The receiving voltage display scale disk 3-11 of section module connection, the reception electric current display scale disk being connected with receiving current regulating module 3-12, the reception labview test channel interfaces 3-13 being connected with reception labview test modules, load LED lamp array is received 3-5, receive load changeover switch 3-6, receive loading interfaces 3-7, receive radiator window 3-19 and receiving lithium battery charging interface 3-20。
The reception capacitance adjustment module includes one group of stator and one group of movable plate, and is connected in parallel on receiving coil socket both ends; The reception capacitance adjustment knob is connected with movable plate, and capacity, which continuously changes to reach with the rotation of movable plate, changes capacitance Purpose, capacitance adjustable extent is in 10-270pF;The reception controllable impedance module is formed by receiving adjustable common mode inductance, described It receives adjustable common mode inductance and uses threaded soft magnetic ferrite, receive the reception socket two of controllable impedance module and receiving coil End series connection receives adjustment of inductance knob by the way that position of the iron core of soft magnetic ferrite in controllable impedance is received is controlled to change electricity Feel size, inductance value adjustable extent 2.1-6.8uH.Before the receiving voltage display scale disk 3-11 is located at outside the reception housing Wall lower right-hand corner, scale 0-30V, one division 5v, two indexing 1v, for showing the voltage at load (such as LED light) array both ends. The reception electric current display scale disk is located at the outer antetheca lower right corner of reception housing 3-4, scale 0-2A, one division 0.5A, two indexing 0.1A, for showing the electric current for flowing through load (LED light) array.The nominal for receiving adjustment of inductance knob A diameter of 2.5cm, receive adjustment of inductance knob ring week reception adjustment of inductance dial 3-15 scopes be from 2.1-6.8uH, can To determine the size of current inductance by its reading.The nominal diameter for receiving capacitance adjustment knob coarse adjustment is 2.5cm, is connect Receive capacitance adjustment knob ring week 16 adjustable range of reception capacitance adjustment dial be from 10-270pF, can be by receiving capacitance Dial reading on adjusting knob determines the size of capacitance present.
It is LED bank lights to receive load LED lamp array.It receives load changeover switch and receives load LED lamp array for switching With receive loading interfaces, it is described reception loading interfaces can with external other different types of loads, such as:Capacitive character is received to bear It carries, receives inductive load, receives resistive reception load.
The reception lithium battery charging interface is used for being arranged in the reception housing and receiving lithium battery to be connected It charges for the reception lithium battery 3-23, the reception lithium battery, which is arranged on, to be received in lithium battery card slot 3-24.
Present invention additionally comprises a kind of experimental method of the instructional device based on the electromagnetic coupling radio energy-transmitting, features It is, comprises the following steps:
Step 1: transmitting coil, is plugged on the hair for emitting rotating platform by the transmitting coil for the different model that selection is equipped with It penetrates in socket, selects the resonance coil of the different model of instructional device outfit, resonance coil is plugged on resonance rotating platform In resonance socket;It rotates resonance hoistable platform and adjusts resonance knob to open resonance driving stepper motor module;What selection was equipped with Receiving coil is plugged in the reception socket for receiving hoistable platform by the receiving coil of different model;
Step 2: emission power plug is accessed power supply, lithium battery is mounted on to the resonance lithium battery of resonance housing side In box, this lithium battery is used for the resonance stepper motor inside resonance device and resonance driving stepper motor module for power supply;It uses Charger with resonance lithium battery charge port should be connected before, charge for instructional device and used for resonance stepper motor;It presses Emission power switchs, and emission power indicator light is bright, and emitter has been started up at this time;
Step 3: it is read by the emitting voltage display scale disk on observation transmitting housing and emission current display scale disk The voltage value and current value of current input transmitting coil are taken, changes current input transmitting coil by emitting voltage adjusting knob Voltage and current;It can be read by observing resonance potential display scale disk and the resonance current display scale disk of resonance device It gets the voltage value at current receiving coil both ends and flows through the current value of receiving coil;
It is determined by reading the scale below the resonant inductance adjusting knob and resonance capacitance adjustment knob of resonance device The size of current controllable impedance and tunable capacitor;By reading the reception adjustment of inductance knob of reception device or receiving capacitance tune The scale below knob is saved to determine the size of current controllable impedance and tunable capacitor;
Step 4: the transmitting oscilloprobe common port of emitter is linked into the transmitting oscillograph interface of ground terminal, Signal acquisition terminal is connected with the transmitting oscillograph interface of waveform output terminal, by adjusting emission inductance adjusting knob and transmitting electricity Hold adjusting knob to adjust transmitting coil self-resonant frequency, present coil is read by observing the display screen of transmitting oscillograph Frequency, waveform, amplitude, phase;The oscillograph first passage probe common port of resonance device is linked into resonoscope End interface is grounded, the waveform output terminal of signal acquisition terminal and resonoscope is connected, by adjusting resonant inductance adjusting knob The self-resonant frequency of resonance coil is adjusted with resonance capacitance adjustment knob;
Step 5: it determines to work as by reading the dial below resonant inductance adjusting knob and resonance capacitance adjustment knob The size of preceding controllable impedance and tunable capacitor;By being loaded by the reception load changeover switch of reception device to convert Rreceive output Type can select different types of load, can select receive receive housing side LED light and receive loading interfaces come Select different loads;
Step 6: user can connect the labview test devices transmitting labview TCH test channel external with emitter Mouth connects to be acquired voltage, electric current, capacitance, inductance, frequency, power, amplitude and phase thus with computer to measurement Data carry out analysis and calculate storage;
Step 7: user can change coil compared with it by adjusting the rotating platform adjusting knob on emitter The angle of his device;Emission lines can also be changed by adjusting the transmitting rotating platform adjusting transmitting knob of transmitting housing upper face Circle is compared with the angle for emitting housing;
Step 8: the resonance coil of different shapes that user can replace different configuration of different model is inserted into resonance shell It is adjusted on resonance socket at the top of body on resonance rotating platform, repeats above step;
Step 9: closing stepper motor Switching Power Supply and emitter power supply, experiment equipment is arranged.
More than content is only presently preferred embodiments of the present invention, according to the invention for those of ordinary skill in the art Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications Limitation.

Claims (7)

1. a kind of instructional device based on electromagnetic coupling radio energy-transmitting, which is characterized in that including emitter, resonance device and Reception device;
The emitter includes transmitting coil, the transmitting rotating platform for the fixed transmitting coil, transmitting housing And it is arranged in the transmitting housing to drive the transmitting rotating mechanism of the transmitting rotating platform rotation;Described Transmitting rotating mechanism includes being arranged on transmitting motor knob and the transmitting motor knob in the transmitting housing sidewall The transmitting motor drive module of connection, the transmitting stepper motor by the transmitting motor drive module driving and the hair The transmitting connecting shaft penetrated the transmitting angular wheel of stepper motor connection and be connected with the transmitting angular wheel;The hair The other end for penetrating connecting shaft is connected with the transmitting rotating platform through the transmitting housing and the transmitting is driven to revolve Turn platform to be rotated;
The resonance device include resonance coil, the resonance rotating platform for the resonance coil, resonance housing with And it is arranged on the resonance rotating mechanism in the resonance housing for the resonance rotating platform to be driven to rotate;Described is humorous The rotating mechanism that shakes includes the resonant motor knob being arranged in the resonance housing sidewall and connects with the resonant motor knob Resonant motor drive module, the resonance stepper motor by the resonant motor drive module driving and the resonance connect The resonance angular wheel of stepper motor connection and the resonance connecting shaft being connected with the resonance angular wheel;The resonance The other end that connection is taken out is connected with the resonance rotating platform through the resonance housing and the resonance is driven to rotate Platform is rotated;
The reception device includes receiving coil, the reception hoistable platform for the fixed receiving coil, reception housing And it is arranged on the reception elevating mechanism in the reception housing for the reception hoistable platform to be driven to be lifted;Institute The reception elevating mechanism stated includes being arranged on receives motor knob and the reception motor in the reception housing sidewall Knob connection receive motor drive module, by the described reception stepper motor for receiving motor drive module driving, with it is described The connection of reception stepper motor reception gear and the reception rack that is engaged with the reception gear;The reception rack It is connected through the reception housing with the reception drop platform and the reception hoistable platform is driven to be lifted.
2. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the transmitting Transmitting rotating platform center described in device is provided with to plug the transmitting socket of the transmitting coil;Described Transmitting coil is the transmitting coil of the different line footpaths of series, coil diameter and the number of turn, line footpath 1.00mm, 1.25mm or 1.50mm In one kind, either one kind coil turn in 200mm is one kind in 2,4 or 6 by coil diameter 100mm, 150mm;Hair Ray circle uses planar spiral-type winding, and the transmitting coil is equipped with transmitting plug;The transmitting plug passes through transmitting Pin connector is connected with the transmitting socket.
3. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the transmitting Be provided in device, below the transmitting housing transmitting rail structure be used to adjust between emitter and other devices away from From.
4. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the transmitting In device, emission power plug, emission power switch button, emission power instruction are additionally provided on the side wall of the transmitting housing Lamp, transmitting oscillograph interface, the emission inductance adjusting knob being connected with emission inductance adjustment module and transmitting capacitance adjustment module The transmitting capacitance adjustment knob of connection, the emitting voltage adjusting knob being connected with emitting voltage adjustment module and emitting voltage are shown Dial, the emission current display scale disk that is connected with emission current adjustment module are connected with transmitting labview test modules Emit labview test channel interfaces and transmitting radiator window;The transmitting oscillograph interface is two, one of hair Oscillograph interface is penetrated as waveform output terminal, another transmitting oscillograph interface is ground terminal, and two interfaces are respectively at described Transmitting coil connects;Transmitting oscillograph can be connected when the system is operating to collect the amplitude and frequency of voltage in transmitting coil, By adjust transmitting capacitance adjustment knob and emission inductance adjusting knob can change the self-resonant frequency of transmitting coil so as to and Frequency caused by instructional device reaches consistent.
5. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the resonance In device, the resonance rotating platform center is provided with to plug the resonance socket of the resonance coil;
In the resonance device, resonoscope interface is additionally provided on the side wall of the resonance housing, is adjusted with resonant inductance The resonant inductance adjusting knob of module connection, the resonant capacitance adjusting knob being connected with resonant capacitance adjustment module and resonance electricity The resonance potential display scale disk of pressure display module connection, the resonance current display scale disk being connected with resonance current display module Resonance labview test channel interfaces, resonance radiator window and the resonance lithium battery interface being connected with labview test modules;
The resonant capacitance adjustment module includes one group of resonance stator and one group of resonance movable plate, and is connected in parallel on the resonance of resonance coil Socket both ends;The resonant capacitance adjusting knob is connected with resonance movable plate, and capacity continuously changes with the rotation of resonance movable plate So as to achieve the purpose that change capacitance, capacitance adjustable extent is in 10-270pF;The resonance controllable impedance module can by resonance Adjust common mode inductance composition, the adjustable common mode inductance of resonance use threaded soft magnetic ferrite, resonance controllable impedance module with Resonance resonance coil socket both ends are connected, and resonant inductance adjusting knob is by controlling the iron core of soft magnetic ferrite in resonance adjustable electric Mould position in the block is felt to change inductance size, and inductance value adjustable extent is in 2.1-6.8uH;
The resonoscope interface is two, one of them is waveform output terminal, another is ground terminal, two interfaces It is connected respectively with the resonance coil on the resonance rotating platform;It is current to show that oscillograph can be connected when the system is operating Be inserted into resonance rotating platform interface resonance coil in voltage amplitude and frequency, by adjust resonant capacitance adjusting knob and Resonant inductance adjusting knob come change the self-resonant frequency of resonance coil so as to resonance device caused by frequency reach consistent.
6. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the resonance In device, the resonance lithium battery charging interface be arranged on the in vivo resonance lithium battery of resonance shell be connected for for The resonance lithium battery charges.
7. the instructional device according to claim 1 based on electromagnetic coupling radio energy-transmitting, which is characterized in that the reception In device, the reception hoistable platform center is provided with to plug the reception socket of the receiving coil;
The receiving coil is the receiving coil of the different line footpaths of series, coil diameter and the number of turn, line footpath 1.00mm, 1.25mm Either one kind coil diameter in 1.50mm is that one kind coil turn of 100mm, 150mm either in 200mm is 2,4 or 6 In one kind;Receiving coil uses planar spiral-type winding, and the receiving coil, which is equipped with, receives plug;The reception is inserted Head is connected by receiving pin connector with the reception socket;
Reception capacitance adjustment knob, reception adjustment of inductance knob, reception oscillograph is additionally provided on the side wall for receiving housing to connect Mouth, receiving voltage display scale disk receive electric current display scale disk, receive labview test channel interfaces, receive load led Lamp array row receive load changeover switch, receive loading interfaces, receive radiator window and receive lithium battery charging interface;
The reception lithium battery charging interface be arranged on the reception shell it is in vivo receive lithium battery and be connected be used for as institute The reception lithium battery stated charges;
The load changeover switch can be with external electricity for switching load LED lamp array and loading interfaces, the loading interfaces Capacitive load, inductive load or resistive load.
CN201810057083.6A 2018-01-22 2018-01-22 Teaching device based on electromagnetic coupling wireless energy transfer Active CN108092419B (en)

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