CN205487042U - Magnetic coupling wireless energy transmission simulation experiment device - Google Patents
Magnetic coupling wireless energy transmission simulation experiment device Download PDFInfo
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- CN205487042U CN205487042U CN201620126922.1U CN201620126922U CN205487042U CN 205487042 U CN205487042 U CN 205487042U CN 201620126922 U CN201620126922 U CN 201620126922U CN 205487042 U CN205487042 U CN 205487042U
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Abstract
The utility model discloses a magnetic coupling wireless energy transmission simulation experiment device for verify magnetic coupling wireless energy transmission simulation experiment, include signal generator, load, oscilloscope, drive coil, send coil, intensifier coil, receiving coil and load coil, wherein: signal generator and drive coil link to each other, the drive coil with send the coil and link to each other, the load links to each other with load coil, load coil and receiving coil link to each other, the intensifier coil is located and sends between coil and the receiving coil, transmitting coil, intensifier coil, receiving coil are coaxial, oscilloscope includes four passageways, and is continuous with signal generator and load both ends respectively. The utility model discloses the close coupling point that can take place to seek under the signal the energy transfer of same waveform is not verified to probe into not the magnetic coupling wireless energy transmission characteristic of different coil formers under the same waveform.
Description
Technical field
This utility model relates to Experiments of Electricity technical field, particularly relates to a kind of magnetic coupling wireless energy transfer nature imitation experiment device.
Background technology
Wireless energy transmission technology generally comprises electromagnetic wave wireless energy transmission technology, inductive coupling type wireless energy transmission technology and the resonant wireless energy transmission technology of magnetic coupling.Wherein, the restriction ratio of electromagnetic wave wireless energy transmission technology, inductive coupling type wireless energy transmission technology transmission range and power is bigger.The resonant wireless energy transmission technology of magnetic coupling as transmission medium using magnetic field, is set up the transmission channels between transmitting and receiving device by resonance, thus is effectively transmitted energy.Utilize magnetic coupling resonant wireless energy transfer skill to carry out energy transmission, not only can improve power and the efficiency of transmission, and the distance of transmission can be brought up to 1 to 2 meters and will not be affected by spatial obstacle thing in theory.
Magnetic coupling wireless energy transfer emulation experiment of the prior art, utilize coupled mode theory and resonance circuit characteristic, analyze magnet coupled resonant type wireless power in the intrinsic propesties of radiating near field resonance coupling and rule, in conjunction with theoretical analysis result, utilize electromagnetic simulation software simulation calculation function to set up and analyze model, obtained the relation curve of resonant frequency and coil method and quality factor by simulation calculation.
But, existing magnetic coupling wireless energy transfer emulation experiment, cannot be according to theoretical analysis result, the energy transmission to different wave occurs the point of close coupling searched out under signal to verify, thus probes into the magnetic coupling wireless energy transfer characteristic of different coil formers under different wave.
Utility model content
This utility model provides a kind of magnetic coupling wireless energy transfer nature imitation experiment device, according to theoretical analysis result, the energy of different wave cannot be transmitted the problem occurring the point of close coupling searched out under signal to verify with magnetic coupling wireless energy transfer emulation experiment in solution prior art.
In order to solve above-mentioned technical problem, the utility model discloses following technical scheme:
A kind of magnetic coupling wireless energy transfer nature imitation experiment device, is used for verifying magnetic coupling wireless energy transfer emulation experiment, including signal generator, load, oscillograph, driving coil, sends coil, intensifier coil, receiving coil and loading coil, wherein:
Signal generator is connected with driving coil, drives coil to be connected with sending coil, and load is connected with loading coil, and loading coil is connected with receiving coil, and intensifier coil is sending between coil and receiving coil, and transmission coil, intensifier coil, receiving coil are coaxial；Oscillograph includes four passages, is connected with signal generator and load two ends respectively.
Preferably, magnetic coupling wireless energy transfer nature imitation experiment device also includes internal resistance, the first compensation electric capacity, the second compensation electric capacity and bulb, wherein internal resistance is connected with signal generator and the first compensation electric capacity, first compensates electric capacity is connected with driving coil, second compensates electric capacity two ends is connected with loading coil and load respectively, and bulb is in parallel with load.
Preferably, the first capacitance range compensating electric capacity and the second compensation electric capacity is 15pF-1000pF.
Preferably, sending coil, intensifier coil is adjustable with receiving coil relative distance, sending coil and receiving coil distance range is 20cm-200cm.
From above technical scheme, the magnetic coupling wireless energy transfer nature imitation experiment device that this utility model embodiment provides is by listing coil former loop equation, solving equation, obtain two-port network scattering parameter, calculate two-port network scattering parameter maximum, obtain the strongest theoretical Coupling point, according to the strongest theoretical Coupling point, adjust coil distance, there is signal and judge that the transmission of different wave energy occurs whether signal reaches resonance point in the energy transmission of signal generator output different wave, energy transmission to different wave occurs the point of close coupling searched out under signal to verify, thus probe into the magnetic coupling wireless energy transfer characteristic of different coil formers under different wave.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the first magnetic coupling wireless energy transfer nature imitation experiment device that Fig. 1 provides for this utility model embodiment；
The structural representation of the second magnetic coupling wireless energy transfer nature imitation experiment device that Fig. 2 provides for this utility model embodiment.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in this utility model, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of this utility model protection.
The structural representation of a kind of magnetic coupling wireless energy transfer nature imitation experiment device that Fig. 1 provides for this utility model embodiment, magnetic coupling wireless energy transfer nature imitation experiment device is used for magnetic coupling wireless energy transfer emulation experiment.Device includes signal generator, load, oscillograph, driving coil, sends coil, intensifier coil, receiving coil and loading coil, wherein: signal generator is connected with driving coil, coil is driven to be connected with sending coil, load is connected with loading coil, loading coil is connected with receiving coil, intensifier coil is sending between coil and receiving coil, and transmission coil, intensifier coil, receiving coil are coaxial；Oscillograph includes four passages, is connected with signal generator and load two ends respectively.
This utility model, in magnetic coupling wireless energy transfer process of the test, can carry out two coils, three-winding and four coil l-G simulation tests.Take out intensifier coil during two coil tests, drive coil and loading coil；Take out during three-winding test and drive coil and loading coil；Intensifier coil is taken out during four coil tests.
The structural representation of the third magnetic coupling wireless energy transfer nature imitation experiment device that Fig. 2 provides for this utility model embodiment, as seen from the figure, magnetic coupling wireless energy transfer nature imitation experiment device also includes internal resistance, the first compensation electric capacity, the second compensation electric capacity and bulb, wherein internal resistance is connected with signal generator and the first compensation electric capacity, first compensates electric capacity is connected with driving coil, second compensates electric capacity two ends is connected with loading coil and load respectively, and bulb is in parallel with load.
Signal generator AC may select the brands such as U.S.'s Agilent, U.S.'s fluke, Germany's moral figure, Germany Sai Duolisi, preferably Tabor company wonder wave 5064 type signal generator, exportable various waveforms.
First capacitance range compensating electric capacity and the second compensation electric capacity is 15pF-1000pF.
Send coil, intensifier coil is adjustable with receiving coil relative distance, and sending coil with receiving coil distance range is 20cm-200cm.Transmission coil, booster, receiving coil three coaxially, and have identical resonant frequency, and transmission coil, booster couple interaction with receiving coil three by magnetic field, send the distance between coil and receiving coil and are the transmission range of energy.
As a example by three-winding model, magnetic coupling wireless energy transfer nature imitation experiment device work process is: the driving signal frequency excitation of regulation power supply and drive circuit sends coil resonance, produces alternating magnetic field.Send coil magnetic field and act on booster, cause booster resonance, owing to booster is an independent LC resonant tank, there are the highest quality factor, it can produce the most powerful magnetic field, to such an extent as to the distance between booster and receiving coil is always greater than the distance between booster and transmission coil.Booster the action of a magnetic field, in receiving coil, makes receiving coil produce resonance, owing to three's resonant frequency is identical, thus produces resonance, the energy of power supply is transferred to receiving coil, is lighted by bulb.
First, power supply drives through high-frequency inversion and sends coil resonance, power supply energy is converted into resonance and sends the electric field energy in coil and magnetic field energy, and electric field energy is stored in electric capacity, and magnetic field energy is stored in coil inductance, and they are equal to each other, and in periodic swinging.
Secondly, send the magnetic field energy that coil produces, be converted into electric field energy in booster, booster resonance, electric field energy and magnetic field energy by magnetic field coupling and exchange each other between booster electric capacity and inductance.Finally, the magnetic field energy of booster couples the electric field energy being converted in receiving coil by magnetic field, receiving coil resonance, electric field energy is exchanged with each other between the electric capacity and inductance of receiving coil, electric field energy supply bulb consumption, owing to three's resonant frequency is identical, produce resonance, by energy continuously from power delivery to bulb.To sum up, energy is transmitted in systems by resonance and magnetic field coupling, and in the transmitting procedure of whole energy, the coupling efficiency between magnetic field determines the efficiency of transmission of energy, also determines the transmission range of energy simultaneously.
It should be noted that, in this article, the such as relational terms of " first " and " second " or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply relation or the order that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of key element, article or equipment.
Below it is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this utility model.Multiple amendment to these embodiments will be apparent to one skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Below it is only detailed description of the invention of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (4)
1. a magnetic coupling wireless energy transfer nature imitation experiment device, for verifying magnetic coupling wireless energy transfer emulation experiment, it is characterized in that, including signal generator, load, oscillograph, driving coil, send coil, intensifier coil, receiving coil and loading coil, wherein:
Described signal generator is connected with described driving coil, described driving coil is connected with described transmission coil, described load is connected with described loading coil, described loading coil is connected with described receiving coil, described intensifier coil is between described transmission coil and described receiving coil, and described transmission coil, described intensifier coil, described receiving coil are coaxial；Described oscillograph includes four passages, is connected with described signal generator and described load two ends respectively.
Magnetic coupling wireless energy transfer nature imitation experiment device the most according to claim 1, it is characterized in that, described magnetic coupling wireless energy transfer nature imitation experiment device also includes internal resistance, the first compensation electric capacity, the second compensation electric capacity and bulb, wherein said internal resistance compensates electric capacity with described signal generator and described first and is connected, described first compensates electric capacity is connected with described driving coil, described second compensates electric capacity two ends is connected with described loading coil and described load respectively, and described bulb is in parallel with described load.
Magnetic coupling wireless energy transfer nature imitation experiment device the most according to claim 2, it is characterised in that the described first capacitance range compensating electric capacity and described second compensation electric capacity is 15pF-1000pF.
Magnetic coupling wireless energy transfer nature imitation experiment device the most according to claim 1, it is characterized in that, described transmission coil, described intensifier coil are adjustable with described receiving coil relative distance, and described transmission coil and described receiving coil distance range are 20cm-200cm.
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| CN201620126922.1U CN205487042U (en) | 2016-02-18 | 2016-02-18 | Magnetic coupling wireless energy transmission simulation experiment device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575235A (en) * | 2016-02-18 | 2016-05-11 | 云南电网有限责任公司电力科学研究院 | Magnetic coupling wireless energy transmission simulation experiment method and device |
| CN106451606A (en) * | 2016-08-31 | 2017-02-22 | 安徽中科自动化股份有限公司 | Remote wireless charging system of vehicle-mounted mobile equipment |
| CN107067914A (en) * | 2017-05-15 | 2017-08-18 | 天津中德应用技术大学 | Electromagnetic induction and EMR electromagnetic resonance contrast experiment system and its experimental method |
| CN109693560A (en) * | 2019-01-28 | 2019-04-30 | 华南理工大学 | There is the wireless charging system for electric automobile of constant-current characteristics based on PT symmetry principle |
| CN110289698A (en) * | 2019-07-05 | 2019-09-27 | 同济大学 | Radio energy transmission system and its transmission method based on three resonance coils |
| CN110428954A (en) * | 2019-08-08 | 2019-11-08 | 同济大学 | Based on three rank parity time symmetrical passive wireless sensing systems |
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2016
- 2016-02-18 CN CN201620126922.1U patent/CN205487042U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575235A (en) * | 2016-02-18 | 2016-05-11 | 云南电网有限责任公司电力科学研究院 | Magnetic coupling wireless energy transmission simulation experiment method and device |
| CN105575235B (en) * | 2016-02-18 | 2018-09-11 | 云南电网有限责任公司电力科学研究院 | A kind of magnetic coupling wireless energy transfer emulation experiment method and device |
| CN106451606A (en) * | 2016-08-31 | 2017-02-22 | 安徽中科自动化股份有限公司 | Remote wireless charging system of vehicle-mounted mobile equipment |
| CN107067914A (en) * | 2017-05-15 | 2017-08-18 | 天津中德应用技术大学 | Electromagnetic induction and EMR electromagnetic resonance contrast experiment system and its experimental method |
| CN109693560A (en) * | 2019-01-28 | 2019-04-30 | 华南理工大学 | There is the wireless charging system for electric automobile of constant-current characteristics based on PT symmetry principle |
| CN110289698A (en) * | 2019-07-05 | 2019-09-27 | 同济大学 | Radio energy transmission system and its transmission method based on three resonance coils |
| CN110289698B (en) * | 2019-07-05 | 2023-09-22 | 同济大学 | Wireless power transmission system based on three resonance coils and transmission method thereof |
| CN110428954A (en) * | 2019-08-08 | 2019-11-08 | 同济大学 | Based on three rank parity time symmetrical passive wireless sensing systems |
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