CN207602109U - The instructional device of emitter in being transmitted based on electromagnetic coupling - Google Patents
The instructional device of emitter in being transmitted based on electromagnetic coupling Download PDFInfo
- Publication number
- CN207602109U CN207602109U CN201721245190.9U CN201721245190U CN207602109U CN 207602109 U CN207602109 U CN 207602109U CN 201721245190 U CN201721245190 U CN 201721245190U CN 207602109 U CN207602109 U CN 207602109U
- Authority
- CN
- China
- Prior art keywords
- connect
- coil
- transmitting coil
- emitter
- knob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model is related to instructional device technical field, and in particular to the instructional device of emitter in a kind of transmission based on electromagnetic coupling.Instructional device includes transmitting coil, the rotating platform for fixed transmission coil, housing and is arranged in housing to drive the rotating mechanism of rotating platform rotation；Rotating mechanism includes the motor knob being arranged in housing sidewall, the motor drive module being connect with motor knob, by the stepper motor that motor drive module drives, the angular wheel being connect with stepper motor and the connecting shaft being connect with angular wheel；The other end that connection is taken out connect with rotating platform across housing and rotating platform is driven to be rotated.The utility model is beneficial in that apparatus module, and 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, coil is made precisely to adjust automatic rotation angle by the engagement between gear.
Description
Technical field
The utility model is related to instructional device technical field, and in particular to the religion of emitter in a kind of transmission based on electromagnetic coupling
Learn device.
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 relationship between distance and efficiency of transmission, and then reduce
The application range of this experimental provision.
New content
The purpose of the utility model is to provide emitter in a kind of transmission based on electromagnetic coupling in view of the deficiencies of the prior art
Instructional device and experimental method.
To achieve the above object, the technical solution that the utility model uses for：
It is a kind of transmitted based on electromagnetic coupling in emitter instructional device, including transmitting coil, for fixed described
The rotating platform of transmitting coil, housing and it is arranged on rotation in the housing for the rotating platform to be driven to rotate
Mechanism；The rotating mechanism includes the motor knob being arranged in the housing sidewall, is connect with the motor knob
Motor drive module, by the stepper motor that the motor drive module drives, the taper being connect with the stepper motor
Gear and the connecting shaft being connect with the angular wheel；The other end of the connecting shaft pass through the housing with it is described
Rotating platform connect and the rotating platform driven to be rotated.
The rotating platform center is provided with the socket for plugging the transmitting coil.
Transmitting coil of the transmitting coil for the different line footpaths of series, coil diameter and the number of turn, 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 plug；The plug
It is connect by pin connector with the socket.
Rail structure is provided with below the housing for adjusting the distance between emitter and other devices.
Be additionally provided on the side wall of the housing attaching plug, power switch button, power supply indicator, oscillograph interface, with
The adjustment of inductance knob of adjustment of inductance module connection, the capacitance adjustment knob being connect with capacitance adjustment module adjust mould with voltage
Block connection voltage adjusting knob and voltage show dial, connect with current regulating module electric current display dial, and
The labview test channel interfaces and radiator window of labview test modules connection.
The oscillograph interface be two, one of oscillograph interface be waveform output terminal, another oscillograph
Interface is ground terminal, and two interfaces are connected respectively at the transmitting coil；Oscillograph can be connected when the system is operating to receive
Collect the amplitude and frequency of voltage in transmitting coil, can change emission lines by adjusting capacitance adjustment knob and adjustment of inductance knob
The self-resonant frequency of circle so as to instructional device caused by frequency reach consistent.
The experimental method of the instructional device of emitter, includes the following steps in a kind of transmission based on electromagnetic coupling：
Step 1: the transmitting coil for the different model that selection is equipped with, transmitting coil is plugged in the socket of rotating platform；
Step 2: attaching plug is accessed power supply, power switch is pressed, power supply indicator is bright, and emitter has been at this time
Start；
Step 3: show that dial and electric current show dial and sent out to read current input by observing the voltage on housing
The voltage value and current value of ray circle change the voltage and current of current input transmitting coil by voltage adjusting knob；
Step 4: oscilloprobe common end is linked into the oscillograph interface of ground terminal, by signal acquisition terminal and waveform
The oscillograph interface connection of output terminal, transmitting coil self-resonance is adjusted by adjusting adjustment of inductance knob and capacitance adjustment knob
Frequency reads the frequency of present coil, waveform, amplitude, phase by observing the display screen of oscillograph；
Step 5: determine current adjustable electric by reading the dial below adjustment of inductance knob and capacitance adjustment knob
Sense and the size of tunable capacitor；
Step 6: user can connect the external labview test channel interfaces of labview test devices and emitter
Fetch the data being acquired to voltage, electric current, capacitance, inductance, frequency, power, amplitude and phase so as to computer to measurement
It carries out analysis and calculates storage；
Step 7: user can be opposite to change transmitting coil by adjusting the rotating platform adjusting knob on emitter
In the angle of emitter；
Step 8: user can select the transmitting coil by different configuration of different model to be inserted at the top of emitter and revolve
Turn to be adjusted on the socket on platform, repeat step 1-7；
Step 9: power supply is closed, arrange experiment equipment and is playbacked.
Compared with prior art, the advantageous effect of the utility model：
The utility model is beneficial in that apparatus module, and 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 the external structure schematic diagram of the instructional device of emitter during the utility model is transmitted based on electromagnetic coupling；
Fig. 2 is the internal structure schematic diagram of the instructional device of emitter during the utility model is transmitted based on electromagnetic coupling；
Fig. 3 is rotating platform and transmitting coil in the instructional device based on emitter in electromagnetic coupling transmission of the utility model
Local map；
Fig. 4 is the rotating platform Local map of the instructional device of emitter during the utility model is transmitted based on electromagnetic coupling.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and embodiments.
As shown in Figs 1-4, it is a kind of based on electromagnetic coupling transmit in emitter instructional device, including transmitting coil 1, use
In the rotating platform 2 of the fixed transmitting coil, housing 4 and it is arranged in the housing to drive the rotation
The rotating mechanism of platform rotation；The rotating mechanism includes the motor knob 15 being arranged in the housing sidewall and institute
The motor drive module 20 of motor knob connection stated, the stepper motor 21 driven by the motor drive module, with it is described
Stepper motor connection angular wheel and the connecting shaft 24 that is connect with the angular wheel；The stepper motor 18 is
The 12v stepper motors of 35BYJ412B, stepper motor drive module use ULN2003 drive modules, and angular wheel selects 40 teeth 5
The angular wheel of 5 mould of the angular wheel of mould and 15 tooth, the stepper motor and 40 tooth angular wheels 22 connect, 40 tooth angular wheels
It is engaged with 15 tooth angular wheels 23, the lower end of connecting shaft 24 connect the other end of the connecting shaft with 15 tooth angular wheels
It is connect across the housing with the rotating platform and the rotating platform is driven to be rotated.The motor knob 15
There is rotating platform adjustment dial 18 in lower end, and it is -180 ° -180 ° to adjust angular range, and the rotating platform centre bit installs
It is equipped with the socket 3 for plugging the transmitting coil.
Transmitting coil of the transmitting coil for the different line footpaths of series, coil diameter and the number of turn, 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 plug；The plug
It is connect by pin connector with the socket.The housing be long 200mm, the cuboid box of wide 100mm.The shell
Rail structure is provided with below body for adjusting the distance between emitter and other devices.
Attaching plug 13, power switch button 5, power supply indicator 6, oscillograph interface are additionally provided on the side wall of the housing
10th, the adjustment of inductance knob 7 that is connect with adjustment of inductance module, the inductance scale for being arranged on the adjustment of inductance knob 7 ring week
Disk 16, the capacitance adjustment knob being connect with capacitance adjustment module, the capacitance scale for being arranged on the capacitance adjustment knob 8 ring week
The electric current display dial that disk 17, the voltage being connect with VRM Voltage Regulator Module show dial 11, connect with current regulating module
12nd, the labview test channel interfaces 14 and radiator window 19 being connect with labview test modules.
The 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；It is described
Capacitance adjustment knob is connect with movable plate, and capacity continuously changes to achieve the purpose that change capacitance, electricity with the rotation of movable plate
Capacity adjustable extent is in 10-270pF；The controllable impedance module is made of adjustable common mode inductance, and the adjustable common mode inductance is adopted
With threaded soft magnetic ferrite, controllable impedance module is connected with resonance coil socket both ends, and adjustment of inductance knob passes through control
Position of the iron core of soft magnetic ferrite in controllable impedance changes inductance size, inductance value adjustable extent 2.1-6.8uH.
The nominal diameter of the adjustment of inductance knob be 2.5cm, inductance scale disk adjust range be from 2.1-6.8 μ H,
The size of current inductance can be determined by inductance scale disk reading.
The nominal diameter of the capacitance adjustment knob coarse adjustment is 2.5cm, and the range that capacitance dial is adjusted is from 10-
270pF can determine the size of capacitance present by capacitance dial reading.
The nominal diameter of the voltage adjusting knob is 4cm, and the range of adjusting is from 0-30V, is shown and carved by voltage
The pointer of scale can read the voltage value of input.
The oscillograph interface be two, one of oscillograph interface be waveform output terminal, another oscillograph
Interface is ground terminal, and two interfaces are connected respectively at the transmitting coil；Oscillograph can be connected when the system is operating to receive
Collect the amplitude and frequency of voltage in transmitting coil, can change emission lines by adjusting capacitance adjustment knob and adjustment of inductance knob
The self-resonant frequency of circle so as to instructional device caused by frequency reach consistent.
The experimental method of the instructional device of emitter, includes the following steps in a kind of transmission based on electromagnetic coupling：
Step 1: the transmitting coil for the different model that selection is equipped with, transmitting coil is plugged in the socket of rotating platform；
Step 2: attaching plug is accessed power supply, power switch is pressed, power supply indicator is bright, and emitter has been at this time
Start；
Step 3: show that dial and electric current show dial and sent out to read current input by observing the voltage on housing
The voltage value and current value of ray circle change the voltage and current of current input transmitting coil by voltage adjusting knob；
Step 4: oscilloprobe common end is linked into the oscillograph interface of ground terminal, by signal acquisition terminal and waveform
The oscillograph interface connection of output terminal, transmitting coil self-resonance is adjusted by adjusting adjustment of inductance knob and capacitance adjustment knob
Frequency reads the frequency of present coil, waveform, amplitude, phase by observing the display screen of oscillograph；
Step 5: determine current adjustable electric by reading the dial below adjustment of inductance knob and capacitance adjustment knob
Sense and the size of tunable capacitor；
Step 6: user can connect the external labview test channel interfaces of labview test devices and emitter
Fetch the data being acquired to voltage, electric current, capacitance, inductance, frequency, power, amplitude and phase so as to computer to measurement
It carries out analysis and calculates storage；
Step 7: user can change transmitting coil relative to housing by adjusting the motor knob on emitter
Angle；
Step 8: user can select the transmitting coil by different configuration of different model to be inserted at the top of emitter and revolve
Turn to be adjusted on the socket on platform, repeat step 1-7；
Step 9: power supply is closed, arrange experiment equipment and is playbacked.
More than content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to the utility model
Thought, there will be changes, the content of the present specification should not be construed as to the utility model in specific embodiments and applications
Limitation.
Claims (6)
1. the instructional device of emitter in a kind of transmission based on electromagnetic coupling, which is characterized in that including transmitting coil, for solid
It the rotating platform of the transmitting coil, housing and is arranged in the housing that the rotating platform is driven to revolve
The rotating mechanism turned；The rotating mechanism includes the motor knob being arranged in the housing sidewall and the motor
The motor drive module of knob connection connects by the stepper motor that the motor drive module drives, with the stepper motor
The angular wheel connect and the connecting shaft being connect with the angular wheel；The other end of the connecting shaft passes through the shell
Body connect with the rotating platform and the rotating platform is driven to be rotated.
2. the instructional device of emitter in the transmission according to claim 1 based on electromagnetic coupling, which is characterized in that described
Rotating platform center be provided with socket for plugging the transmitting coil.
3. the instructional device of emitter in the transmission according to claim 2 based on electromagnetic coupling, which is characterized in that described
Transmitting coil of the transmitting coil for the different line footpaths of series, coil diameter and the number of turn, line footpath 1.00mm, 1.25mm or
One kind in 1.50mm, coil diameter 100mm, 150mm are during either one kind coil turn in 200mm is 2,4 or 6
It is a kind of；Transmitting coil uses planar spiral-type winding, and the transmitting coil is equipped with plug；The plug is connected by plug
Device is connect to connect with the socket.
4. the instructional device of emitter in the transmission according to claim 1 based on electromagnetic coupling, which is characterized in that described
Housing below be provided with rail structure for adjusting the distance between emitter and other devices.
5. the instructional device of emitter in the transmission according to claim 3 based on electromagnetic coupling, which is characterized in that described
Attaching plug, power switch button, power supply indicator, oscillograph interface and adjustment of inductance module are additionally provided on the side wall of housing
The adjustment of inductance knob of connection, the capacitance adjustment knob being connect with capacitance adjustment module, the voltage being connect with VRM Voltage Regulator Module
The electric current display dial and labview test modules that adjusting knob and voltage shows dial, connect with current regulating module
The labview test channel interfaces and radiator window of connection.
6. the instructional device of emitter in the transmission according to claim 5 based on electromagnetic coupling, which is characterized in that described
Oscillograph interface for two, one of oscillograph interface is waveform output terminal, another oscillograph interface is ground terminal,
Two interfaces are connect respectively with the transmitting coil；It is electric in transmitting coil to collect that oscillograph can be connected when the system is operating
The amplitude and frequency of pressure can change the self-resonant frequency of transmitting coil by adjusting capacitance adjustment knob and adjustment of inductance knob
So as to instructional device caused by frequency reach consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245190.9U CN207602109U (en) | 2017-09-27 | 2017-09-27 | The instructional device of emitter in being transmitted based on electromagnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245190.9U CN207602109U (en) | 2017-09-27 | 2017-09-27 | The instructional device of emitter in being transmitted based on electromagnetic coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602109U true CN207602109U (en) | 2018-07-10 |
Family
ID=62756063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245190.9U Expired - Fee Related CN207602109U (en) | 2017-09-27 | 2017-09-27 | The instructional device of emitter in being transmitted based on electromagnetic coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559610A (en) * | 2017-09-27 | 2019-04-02 | 天津中德应用技术大学 | Instructional device and experimental method based on emitter in electromagnetic coupling transmission |
-
2017
- 2017-09-27 CN CN201721245190.9U patent/CN207602109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559610A (en) * | 2017-09-27 | 2019-04-02 | 天津中德应用技术大学 | Instructional device and experimental method based on emitter in electromagnetic coupling transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103560562B (en) | Position adaptive wireless charging coupler | |
| CN103248092B (en) | Adjustable wireless charging coil and application method thereof | |
| CN202939886U (en) | Simple capacitance and inductance measurement teaching instrument | |
| CN207602109U (en) | The instructional device of emitter in being transmitted based on electromagnetic coupling | |
| CN207602108U (en) | The instructional device of resonance device in being transmitted based on electromagnetic coupling | |
| CN108092419B (en) | Teaching device based on electromagnetic coupling wireless energy transfer | |
| CN109559610A (en) | Instructional device and experimental method based on emitter in electromagnetic coupling transmission | |
| CN205656226U (en) | Wireless current transformer of open -type | |
| CN207602107U (en) | The instructional device of reception device in being transmitted based on electromagnetic coupling | |
| CN102684278B (en) | A kind of microphone wireless power supply | |
| CN102545398B (en) | Non-contact power supply device for axle load electronic equipment in rotator | |
| CN204375156U (en) | A kind of learning-oriented bluetooth of super low-power consumption turns infrared remote-control device | |
| CN107067914B (en) | Electromagnetic induction and electromagnetic resonance comparison experiment system and experiment method thereof | |
| CN208285080U (en) | Instructional device based on electromagnetic coupling radio energy-transmitting | |
| CN208316420U (en) | A kind of two-sided wireless charging circuit and two-sided wireless charger | |
| CN207397558U (en) | The wireless power transmission experimental provision of frequency-adjustable | |
| CN109559608A (en) | Instructional device and experimental method based on resonance device in electromagnetic coupling transmission | |
| CN106940957B (en) | Electromagnetic induction and electromagnetic resonance comparison experimental device and experimental method thereof | |
| CN109559609A (en) | Instructional device and experimental method based on reception device in electromagnetic coupling transmission | |
| CN202435088U (en) | Coil electromagnetic induction charging electrical device | |
| CN206907312U (en) | Electromagnetic induction and EMR electromagnetic resonance contrast experiment's system | |
| CN204361794U (en) | A kind of parallel resonant radio energy transmitting device | |
| CN202795853U (en) | Remote wireless charging demonstrating instrument | |
| CN211293010U (en) | Small current generator | |
| CN202523531U (en) | Compact disc (CD) type power transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20200927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |