CN108242856A - The WPT system supply unit and its operation method of ultra-high-tension power transmission line electrical equipment - Google Patents
The WPT system supply unit and its operation method of ultra-high-tension power transmission line electrical equipment Download PDFInfo
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- CN108242856A CN108242856A CN201611224407.8A CN201611224407A CN108242856A CN 108242856 A CN108242856 A CN 108242856A CN 201611224407 A CN201611224407 A CN 201611224407A CN 108242856 A CN108242856 A CN 108242856A
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Abstract
The present invention provides a kind of WPT system supply unit of ultra-high-tension power transmission line electrical equipment, including：Energy module is taken, for obtaining AC energy from high-voltage side bus；Transmitting terminal power change device for the AC energy obtained to be converted to the electromagnetic field of the higher-order of oscillation, passes to Electromagnetic Launching coil；Electromagnetic Launching coil, by the energy received from transmitting terminal power change device, by resonating, electric energy is sent to electric energy receiving coil by magnetic coupling；Electromagnetism receiving coil, the energy launched by the magnetic coupling reception Electromagnetic Launching coil that resonates, and it is sent to receiving terminal power change device；Energy conversion received from electromagnetism receiving coil is direct current energy by receiving terminal power change device；Housing, convenient for being arranged on high voltage transmission line road.The electromagnetism supply unit is easy to use, and system is convenient, stable, safe and reliable, and help is provided, while also expanded application space in energy internet arena for WPT technologies for development of the intelligent grid in high voltage field.
Description
Technical field
The present invention relates to a kind of wireless electric energy transmission devices, and in particular to a kind of WPT of ultra-high-tension power transmission line electrical equipment
System power supply device and its operation method.
Background technology
Wireless power refers to the electric energy transmission mode by non-physical contact, is after wireless telecommunications, wireless network
Third time Wireless revolution is a frontier science and technology with base application meaning, inter-product to have a wide range of application, and is expected to push
The breakthrough and innovation of the industries such as the whole nation or even world communication, electronics, Internet of Things, new energy.Realize the method for wireless power transmission substantially
There are two types of, a kind of is the electromagnetic induction method of two coils, another kind be by electric energy in the form of laser or microwave, be emitted to
The reception antenna of distal end, then by processing such as rectification, modulation after, act on load.
Wireless power transmission technology is broadly divided into three kinds：The first is transmitted for inductive coupling type electric energy, it utilizes loose coupling
It closes transformer principle to carry out passing energy, generally there are the core devices for reducing circuit magnetic resistance with receiving terminal for transmitting terminal.Second is electricity
Magnet coupled resonant type electric energy transmits, and resonant transmission energy occurs by inductance on the resonator of high quality factor and distributed capacitor
Amount.The third is transmitted for electromagnetic radiation formula electric energy, and electric energy is converted into microwave form in the art, and transmission range is more than thousands of
Rice is, it can be achieved that the teletransmission of electric energy.Wherein electromagnetic coupling harmonic technology completes electric energy using non-radiating electromagnetic field near-field region
Transmission, on the one hand compared with induction biography energy, there is very big extension in transmission range；On the other hand electromagnetic radiation is compared
Formula pass can, near-field region energy has the characteristics that non-radiative, which has preferable safety, therefore obtains very big pass at present
Note and research.
Existing ultra-high-tension power transmission line power supply for electrical equipment technical transform is relatively inefficient and is fluctuated by environmental factor big.
Invention content
To overcome drawbacks described above, the present invention proposes a kind of WPT system supply unit of ultra-high-tension power transmission line electrical equipment
And its operation method.
The present invention provides a kind of WPT system supply unit of ultra-high-tension power transmission line electrical equipment, including：
Energy module is taken, AC energy is obtained from high-voltage side bus by CT electricity getting devices using electromagnetic induction principle；
Transmitting terminal power change device, for the AC energy of acquisition to be converted to the electromagnetic field of the higher-order of oscillation, passes to
Electromagnetic Launching coil；
Electromagnetic Launching coil, by the energy received from transmitting terminal power change device, by resonating, magnetic coupling is sent to electricity
Magnetic receiving coil；
Electromagnetism receiving coil, the energy launched by the magnetic coupling reception Electromagnetic Launching coil that resonates, and it is sent to reception
Hold power change device；
Energy conversion received from electromagnetism receiving coil is constant dc by receiving terminal power change device；
Further, the transmitting terminal power change device includes the first rectification module, filter module, voltage regulating module and big work(
Rate high-frequency model.
Further, the receiving terminal power change device includes the second rectification module, Voltage stabilizing module, energy-storage module and online
Monitoring modular.
Further, the first rectification module in the transmitting terminal power change device, by from take can module output exchange
Electricity becomes direct current by rectification circuit；
The filter module filters out the higher hamonic wave of the first rectification module output current using LC low-pass filter circuits；
The voltage regulating module, using series voltage negtive backword come the output voltage of stationary filtering module, realization automatic adjustment；
The high-power high-frequency module generates the electromagnetic field of the higher-order of oscillation by the resonance of capacitor and inductor, passes to electromagnetism
Transmitting coil；
The second rectification module in the receiving terminal power change device, the energy received from electromagnetism receiving coil is rectified into
Constant direct current；
The Voltage stabilizing module, the output voltage for making the second rectification module is constant, obtains stable DC, is energy-storage module
Power supply；
The energy-storage module stores the electric energy of reception；
The on-line monitoring module, whether the electric current of monitoring WPT system supply unit and voltage are in normal operation in real time
In the range of facilitate realization timely over-voltage over-current protection.
Further, the high-power high-frequency module includes：High-frequency oscillating circuits and power amplification circuit；The higher-order of oscillation
Circuit is used to generate high frequency oscillating current.
Further, the supply unit includes housing, and the housing is padlock type structure, and the padlock type structure upper is
Forceps type structure, lower part are rectangular housing；The forceps type structure is equipped with broken-line type jaw, and the bottom end of the rectangular housing, which is equipped with, breathes freely
Hole, the air hole facilitate the heat dissipation of each modular circuit in the course of work.
Further, it is described that energy module is taken to be set in forceps type structure；The transmitting terminal power change device, electromagnetic emission lines
Circle, electromagnetism receiving coil and receiving terminal power change device are set in the rectangular housing；
The supply unit is hung on high voltage transmission line road by the forceps type structure, and jaw tight closure is formed ring
Shape closed magnetic circuit realizes that on high-tension side take can export, after the units such as the first rectification module, filter module, transmitting coil, most
The function of supplying power to low-pressure side of achievable supply unit eventually.
A kind of WPT system power supply operation method of ultra-high-tension power transmission line electrical equipment, the method includes：
Energy module is taken to obtain AC energy from high-voltage side bus using electromagnetic induction principle, the AC energy of acquisition is transmitted
To transmitting terminal power change device；
The AC energy of acquisition is converted to the electromagnetic field of the higher-order of oscillation by the transmitting terminal power change device, passes to electricity
Magnetic transmitting coil；
The Electromagnetic Launching coil is by the energy received from transmitting terminal power change device, by the magnetic coupling that resonates by electric energy
It is sent to electromagnetism receiving coil；
The energy that the electromagnetism receiving coil is launched by the magnetic coupling reception Electromagnetic Launching coil that resonates, and be sent to and connect
Receiving end power change device；
Energy conversion received from electromagnetism receiving coil is constant dc by the receiving terminal power change device.
The electromagnetic field that the AC energy of acquisition is converted to the higher-order of oscillation by the transmitting terminal power change device includes：
Alternating current is become direct current by the first rectification module, and the direct current is sent to filter module；The filtering mould
Block filters out the higher hamonic wave of the direct current using LC low-pass filter circuits, and voltage regulating module is stablized using series voltage negtive backword
The output voltage of filter module realizes automatic adjustment；Filtered direct current is passed through capacitor and inductor by high-power high-frequency module
Resonance generates the electromagnetic field of the higher-order of oscillation, passes to Electromagnetic Launching coil.
The receiving terminal power change device includes the energy conversion received from electromagnetism receiving coil for constant dc：
Energy received from electromagnetism receiving coil is rectified into constant direct current by the second rectification module again, is energy storage mould
Block is powered, and Voltage stabilizing module makes the output voltage of rectification module constant, obtains stable DC；Energy-storage module is by the energy of reception
It is stored；On-line monitoring module monitor in real time WPT system supply unit electric current and voltage whether normal operation range
Inside facilitate realization timely over-voltage over-current protection.
Compared with the latest prior art, technical solution provided by the invention has following excellent effect：
WPT system supply unit provided by the invention is using rectification module, filter module, voltage regulating module, transmitting coil
Wait the wireless high-voltage equipment of compositions that these components are rationally effectively welded in transmitting terminal and receiving terminal changeable device for electric installation
On, the space resources utilization rate of wireless power device is improved, can realize effective confession of electrical equipment in ultra-high-tension power transmission line
Electricity.
WPT system supply unit provided by the invention is easy to use, and system is convenient, stable, safe and reliable, for intelligence
Development of the power grid in high voltage field provides help, while has also expanded application space in energy internet arena for WPT technologies.
The present invention is integrally improved the space resources utilization rate of wireless power device, can realize in ultra-high-tension power transmission line and use
Effective power supply of electric equipment, wherein circuit take energy module energy module will to be taken to be led with tong-like folding embedded in transmission of electricity using clamp type structure
Line greatly improves the reliability for taking electric part and installation maintenance convenience.
Description of the drawings
Fig. 1 is the allomeric function schematic diagram of WPT system supply unit of the present invention；
Fig. 2 is the fundamental diagram of high-power high-frequency module；
Fig. 3 is the installation diagram of WPT system supply unit of the present invention；
Fig. 4 is the front view of WPT system supply unit housing of the present invention；
Fig. 5 is the bottom view of WPT system supply unit housing of the present invention.
Specific embodiment
The present invention is made with reference to embodiment and attached drawing and being illustrated in further detail.
As shown in Figure 1, a kind of WPT system power supply applied to ultra-high-tension power transmission line electrical equipment provided by the invention fills
It puts, it can module, transmitting terminal power change device and receiving terminal power change device including taking；
The transmitting terminal power change device includes the first rectification module, filter module, voltage regulating module, high-power high-frequency
Module；Receiving terminal power change device includes the second rectification module, Voltage stabilizing module, energy-storage module, on-line monitoring module four
Part；The two is linked together by the resonance magnetic coupling interaction between transmitting coil and receiving coil.
Energy module is taken, AC energy is obtained from high-voltage side bus by CT electricity getting devices using electromagnetic induction principle；
The electric current that can be exported from high pressure side draw is become DC current by the first rectification module using rectification circuit；
Filter module filters out the higher hamonic wave of the first rectification module output current using LC low-pass filter circuits, and to whole
The influence of flow module is small；
Voltage regulating module, can using series voltage negtive backword come the output voltage of stationary filtering module, it can be achieved that automatic adjustment；
High-power high-frequency module generates the electromagnetic field of the higher-order of oscillation by the resonance of capacitor and inductor, passes to Electromagnetic Launching
Coil；
Electromagnetism receiving coil, the energy launched by the magnetic coupling reception Electromagnetic Launching coil that resonates；
The energy of reception is rectified into constant direct current by the second rectification module again；
Voltage stabilizing module makes the output voltage of the second rectification module constant, obtains stable DC, powers for energy-storage module；
The energy-storage module stores the electric energy of reception；
Monitor on-line module, can monitor in real time WPT system supply unit electric current and voltage whether normal operation model
It encloses interior facilitate and realizes timely over-voltage over-current protection.
As shown in Fig. 2, the high-power high-frequency module is mainly made of high-frequency oscillating circuits and power amplification circuit.High frequency
Oscillating circuit is mainly used for generating high frequency oscillating current for next unit use.555 timers are a kind of multiduty numbers
Word-simulation hydrid integrated circuit, the circuit function is flexible, applied widely, as long as peripheral circuit is slightly configured, you can forms
Multivibrator can meet design requirement completely.Power amplification is then realized by power tube IRF540N.
As shown in figure 3, the housing of WPT system supply unit of the present invention, the housing is padlock type, and top is clamp knot
Structure, lower part are rectangular housing；The forceps type structure is equipped with broken-line type jaw, convenient to be fastened in ultra-high-tension power transmission line securely,
And actual size is smaller, can avoid adverse effect of the gravity factor to ultra-high-tension power transmission line.It is described that energy module is taken to be set on clamp knot
In structure；When the supply unit is hung on high voltage transmission line road, jaw tight closure is formed into annular closed magnetic circuit, is realized high
Taking for side of pressure can export, after the units such as rectification module, filter module, transmitting coil, pair of final achievable supply unit
The function of supplying power of low-pressure side.
As shown in figure 4, the bottom end of the housing of WPT system supply unit of the present invention is equipped with 24 air holes, to increase work
Each modular circuit heat dissipation in the process.This structure not only saves material, moreover it is possible to which the weight of alleviator, safety are also stronger.
Finally it should be noted that：Above example is merely to illustrate technical scheme of the present invention rather than to its protection domain
Limitation, although the application is described in detail with reference to above-described embodiment, those of ordinary skill in the art should
Understand：Those skilled in the art read the specific embodiment of application can be still carried out after the application various changes, modification or
Person's equivalent replacement, but these changes, modification or equivalent replacement, are applying within pending claims.
Claims (11)
1. a kind of WPT system supply unit of ultra-high-tension power transmission line electrical equipment, which is characterized in that the supply unit includes：
Energy module is taken, AC energy is obtained from high-voltage side bus by CT electricity getting devices using electromagnetic induction principle；
Transmitting terminal power change device, for the AC energy of acquisition to be converted to the electromagnetic field of the higher-order of oscillation, passes to electromagnetism
Transmitting coil；
Electromagnetic Launching coil, by the energy received from transmitting terminal power change device, by resonating, electric energy is sent to by magnetic coupling
Electromagnetism receiving coil；
Electromagnetism receiving coil, the energy launched by the magnetic coupling reception Electromagnetic Launching coil that resonates, and it is sent to receiving terminal electricity
It can changeable device；
Energy conversion received from electromagnetism receiving coil is constant dc by receiving terminal power change device.
2. WPT system supply unit as described in claim 1, which is characterized in that the transmitting terminal power change device includes
First rectification module, filter module, voltage regulating module and high-power high-frequency module.
3. WPT system supply unit as described in claim 1, which is characterized in that the receiving terminal power change device includes
Second rectification module, Voltage stabilizing module, energy-storage module and on-line monitoring module.
4. WPT system supply unit as claimed in claim 2, which is characterized in that first rectification module, it will be from take can mould
The alternating current of block output becomes direct current by rectification circuit；
The filter module filters out the higher hamonic wave of the first rectification module output current using LC low-pass filter circuits；
The voltage regulating module, using series voltage negtive backword come the output voltage of stationary filtering module, realization automatic adjustment；
The high-power high-frequency module generates the electromagnetic field of the higher-order of oscillation by the resonance of capacitor and inductor, passes to Electromagnetic Launching
Coil.
5. WPT system supply unit as claimed in claim 3, which is characterized in that second rectification module, it will be received from electricity
The energy of magnetic receiving coil is rectified into constant direct current；The Voltage stabilizing module, the output voltage for making the second rectification module is constant,
Stable DC is obtained, is powered for energy-storage module；
The energy-storage module stores the electric energy of reception；
The on-line monitoring module, in real time monitor WPT system supply unit electric current and voltage whether normal operation range
Inside facilitate realization timely over-voltage over-current protection.
6. WPT system supply unit as claimed in claim 2, which is characterized in that the high-power high-frequency module includes：High frequency
Oscillating circuit and power amplification circuit；The high-frequency oscillating circuits is used to generate high frequency oscillating current, the power amplification circuit
For amplifying electric current.
7. WPT system supply unit as described in claim 1, which is characterized in that the supply unit includes housing, the shell
Body is padlock type structure, and the padlock is that structure upper is forceps type structure, and lower part is rectangular housing；The forceps type structure is equipped with folding
Wire type jaw, the bottom end of the rectangular housing are equipped with air hole, and the air hole facilitates dissipating for each modular circuit in the course of work
Heat.
8. WPT system supply unit as claimed in claim 7, which is characterized in that described that energy module is taken to be set in forceps type structure；
The transmitting terminal power change device, Electromagnetic Launching coil, electromagnetism receiving coil and receiving terminal power change device are set on described
In rectangular housing；
The supply unit is hung on high voltage transmission line road by the forceps type structure, and jaw tight closure is formed annular and is closed
Magnetic circuit is closed, realizes that on high-tension side take can export.
A kind of 9. WPT system power supply operation method of ultra-high-tension power transmission line electrical equipment, which is characterized in that the operation method packet
It includes：
Energy module is taken to obtain AC energy from high-voltage side bus using electromagnetic induction principle, the AC energy of acquisition is sent to hair
Penetrate end power change device；
The AC energy of acquisition is converted to the electromagnetic field of the higher-order of oscillation by the transmitting terminal power change device, passes to electromagnetism hair
Ray circle；
The Electromagnetic Launching coil is by the energy received from transmitting terminal power change device, and by resonating, magnetic coupling transmits electric energy
To electromagnetism receiving coil；
The energy that the electromagnetism receiving coil is launched by the magnetic coupling reception Electromagnetic Launching coil that resonates, and it is sent to receiving terminal
Power change device；
Energy conversion received from electromagnetism receiving coil is constant dc by the receiving terminal power change device.
10. WPT system power supply operation method as claimed in claim 9, which is characterized in that the transmitting terminal power change device
The electromagnetic field that the AC energy of acquisition is converted to the higher-order of oscillation includes：
Alternating current is become direct current by the first rectification module, and the direct current is sent to filter module；The filter module is adopted
The higher hamonic wave of the direct current is filtered out with LC low-pass filter circuits, voltage regulating module is using series voltage negtive backword come stationary filtering
The output voltage of module realizes automatic adjustment；The resonance that filtered direct current is passed through capacitor and inductor by high-power high-frequency module
The electromagnetic field of the higher-order of oscillation is generated, passes to Electromagnetic Launching coil.
11. WPT system power supply operation method as claimed in claim 9, which is characterized in that the receiving terminal power change device
Energy conversion received from electromagnetism receiving coil is included for constant dc：
Energy received from electromagnetism receiving coil is rectified into constant direct current by the second rectification module again, is supplied for energy-storage module
Electricity, Voltage stabilizing module make the output voltage of rectification module constant, obtain stable DC；Energy-storage module carries out the energy of reception
Storage；On-line monitoring module monitor in real time WPT system supply unit electric current and voltage whether in the range of normal operation side
Just timely over-voltage over-current protection is realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224407.8A CN108242856A (en) | 2016-12-27 | 2016-12-27 | The WPT system supply unit and its operation method of ultra-high-tension power transmission line electrical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224407.8A CN108242856A (en) | 2016-12-27 | 2016-12-27 | The WPT system supply unit and its operation method of ultra-high-tension power transmission line electrical equipment |
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| CN201611224407.8A Pending CN108242856A (en) | 2016-12-27 | 2016-12-27 | The WPT system supply unit and its operation method of ultra-high-tension power transmission line electrical equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564909A (en) * | 2020-06-10 | 2020-08-21 | 广东电科院能源技术有限责任公司 | Power supply device for high-voltage transmission line |
| CN112886718A (en) * | 2021-01-16 | 2021-06-01 | 国网福建省电力有限公司三明供电公司 | Resonance compensation type current transformer induction power taking system |
| CN113437808A (en) * | 2021-05-18 | 2021-09-24 | 中国科学院电工研究所 | Electric energy acquisition device and monitoring system suitable for intelligent motor monitoring |
| CN114123529A (en) * | 2021-07-19 | 2022-03-01 | 西安电子科技大学 | Mutual coupling capacitance feedback type integral closed loop magnetic coupling wireless power supply device, system and method |
| CN115833413A (en) * | 2023-02-20 | 2023-03-21 | 广东电网有限责任公司湛江供电局 | Power supply method and system of high-voltage transmission line monitoring equipment |
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Application publication date: 20180703 |