CN103545939A - Induction microwave power supply system of online monitoring device - Google Patents
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Abstract
The invention relates to an induction microwave power supply system of an online monitoring device. The induction microwave power supply system of the online monitoring device comprises a wire end transmitting terminal and an iron tower receiving transduction terminal. The wire end transmitting terminal comprises a wire resonance coupling coil set, a boost transmitting oscillator, a transmitting transduction controller and a honeycomb matrix antenna. The iron tower receiving transduction terminal comprises a focus receiving module and a rectification voltage-stabilizing module. According to the induction microwave power supply system of the online monitoring device, the requirements for all-weather and long-term stable power supply of a device are fully satisfied and the problem that online real-time monitoring is difficult to popularize and achieve on a high voltage transmission line is solved with the low maintenance cost.
Description
Technical field
The present invention relates to online electric power system, particularly relate to a kind of on-Line Monitor Device induction microwave electric power system.
Background technology
Along with the development of intelligent grid, deeply, the electric equipment being operated on ultra-high-tension power transmission line is more and more, on-Line Monitor Device as all kinds of in power circuit, line facility anti-theft device, inspection robot, hot line robot etc., because most transmission line is remote, be difficult to way routinely and solve power supply supply problem, thereby the general employing of the power supply of these equipment is solar powered.Solar powered owing to being subject to the effects limit such as energy conversion rate, climatic environment and cost, cannot fully meet equipment to energy supply aspect round-the-clock and the requirement of long-time stability aspect, have to add storage battery with storage of electrical energy.But because life-span and the working temperature problem of storage battery itself increases the maintenance cost of equipment greatly, cause under various meteorological conditions steady operation reliably and with long-term.Need at present a kind ofly can adapt to various bad weathers, round-the-clock reliable and stable power supply, long-term non-maintaining operation, electric power system cheaply.
Power industry overhead transmission line pipeline equipment power supply technique mainly contains solar panel power supply, wind light mutual complementing power supply, wire drainage power takings etc. are several, through linked network, facts have proved solar panel power supply, several the technology such as wind light mutual complementing power supply are all by transforming electrical energy devices at natural energy, by by nature solar energy, wind energy applied solar energy cell panel, wind-driven generator reclaims and is converted into electric energy, this kind of power supply technique form, because limit by its electric energy acquisition principle, be subject to external environment impact greatly, in the situation that meteorological condition is undesirable, be difficult to play a role, and at this moment on-Line Monitor Device needs most and plays a role exactly.The online electric power system of superhigh pressure induction microwave is one of effective measures that solve on-Line Monitor Device all weather operations.The online electric power system of superhigh pressure induction microwave, by superhigh pressure wire electric field recovery technology and wireless near field electric energy transmission technology, reclaims, transmits and is converted into the operable electric energy of on-Line Monitor Device by overhead transmission line conductor radiated electric field around.The online electric power system of superhigh pressure induction microwave is due to the distinctive feature getting in energy-transducing mode and design concept, make it there is the features such as the various bad weathers of adaptation, round-the-clock reliable and stable power supply, long-term non-maintaining operation, low cost, thereby overcome, solar panel power supply, wind light mutual complementing are powered, the weak point of wire drainage power taking, and reclaim wire radiation electric energy, become the excellent selection that solves the sorrowful equipment energy supply difficult problem of online prison.
Summary of the invention
For above the deficiencies in the prior art, the invention provides a kind of on-Line Monitor Device induction microwave electric power system, with reclaim-microwave, carry and become technological means, realize wire electric field energy and recycle, be converted into the electric energy that on-Line Monitor Device can be used.Pass through to adopt microwave resonance principle effective electric energy transmitting in air simultaneously, thereby provide the clearance for insulation that reclaims power taking to solve wire electric field potential difference problem.
Technical scheme of the present invention is as follows:
An induction microwave electric power system, this electric power system comprises that conductor wire end transmitting terminal and steel tower receive transducing end,
Described conductor wire end transmitting terminal comprises:
Wire resonance coupling coil groups, when transmission line transmission of electric energy, is converted into electromagnetic energy to extraradial electric field around by wire, and useless line loss electric field is used;
The transmitting oscillator that boosts, described wire resonance coupling coil groups obtains after energy, and the electromagnetic wave energy in this coil groups is amplified and launched with resonance frequency;
Transmitting transducing controller, for real time monitoring wire resonance coupling coil groups operating state, dynamically switches the energy that is sent to the transmitting oscillator that boosts, simultaneously, the humidity of Real-Time Monitoring atmosphere is changed, control resonance point and the working method of the transmitting oscillator that boosts, improve to greatest extent conversion efficiency;
Honeycomb matrix antenna, for receiving the signal of transmitting transducing controller;
Steel tower receives transducing end and comprises:
Focus on receiver module, the electric energy coming for receiving the transmission of conductor wire end transmitting terminal, is converted into high-frequency alternating current;
Rectifying and voltage-stabilizing module, from described focusing receiver module obtains high-frequency ac electric energy, carries out rectification by the Schottky rectifier bridge by rectifying and voltage-stabilizing module, and through high-voltage capacitance, filtering obtains metastable direct current energy.
Further, described wire resonance coupling coil groups comprises the coil that one group of resonance frequency conforms to wire.
Further, the output of described wire resonance coupling coil groups is connected with the power input of the transmitting oscillator that boosts, and the electric energy of acquisition is boosted and is modulated to high-frequency oscillation signal and delivers to honeycomb matrix antenna, carries out signal transmitting.
Further, described transmitting transducing controller is sent to honeycomb matrix antenna by independent coupled modes by control signal, is completed the transmitting function of electric energy and control signal by honeycomb matrix antenna.
Operation principle:
The present invention provides effective, reliable, safe electric power supply by being finally embodied as on-line monitoring equipment according to electromagnetic wave resonance energy transfer principle.Electromagnetic wave is a kind of motion morphology of electromagnetic field, and electricity can say one integrity with both sides with magnetic, and the electric field of variation can produce magnetic field (being that electric current can produce magnetic field), and the magnetic field of variation can produce electric field.The electric field changing and the magnetic field of variation have formed an inseparable unified field, Here it is electromagnetic field, and the propagation of the electromagnetic field changing in space formed electromagnetic wave, the change of electromagnetism is just as breezy water surface generation ripples, therefore be called as electromagnetic wave, be also often called electric wave.Electromagnetic energy size determines by Poynting vector, i.e. S=E * H, and wherein s is seal front yard, slope vector, and E is electric field strength, and H is magnetic field intensity.E, H, S are perpendicular to one another and form right-handed helix relation; By S, represent that the unit interval flows through the electromagnetic energy of vertical with it unit are, unit is W/m^2; Electromagnetic wave is understood to as a kind of material simultaneously and has energy.
On-Line Monitor Device induction microwave electric power system is used ripe electromagnetic wave resonance energy transfer principle, by special purpose device, is realized from wire intercepting and capturing emittance and is translated into electromagnetic wave resonance energy.Being about to wire normally processes to extraradial energy process, be translated into stable electromagnetic wave resonance energy and by emitter, be transmitted into the on-Line Monitor Device electric energy receiving terminal of installing on steel tower again, then the energy that uses focusing anteena module to obtain, the electric energy of stable output after step-down, rectification, filtering, voltage stabilizing.
This invention practical basis electromagnetic wave resonance principle is realized, and object can be than being easier to vibration under characteristic frequency, and quite different under other frequencies, these characteristic frequency are called natural frequency or resonance frequency.The object that has same resonance frequency, the efficiency of positive energy exchange is higher each other.Resonance laboratory as musical instrument: two identical tuning forks, strike one of them, another also can shake sounding.Electromagnetic wave is also the ripple with energy, has the coil of same resonance frequency characteristic, efficiently transmitting energy.
It is not to initiate that resonance principle is applied to electric power.The wireless transmission of electricity of tesla of 18th century is conceived, and sets up exactly the low-frequency resonance of approximately 8 hertz between the earth and ionosphere, utilizes the electromagnetic transmission energy on earth surface.In the world resonant cavity of the earth and ionosphere formation, electromagnetic wave energy loss seldom.The transoceanic radio station of current ultrashort wave is exactly the specific implementation of this imagination, can use lower energy to transmit signal to distance enough far away, and signal is also a kind of energy here.Electromagnetic wave resonance principle can play self-priming effect under certain condition, and electric energy electric field strength is provided greatly, and Tesla coil is exactly a kind of embodiment.
Advantage of the present invention is:
The successful popularization of on-Line Monitor Device induction microwave electric power system, by the electric equipment making on transmission line, is accomplished real round-the-clock, full-time employment, gets rid of solar powered owing to being subject to the effects limit such as energy conversion rate, climatic environment and cost.Fully meet equipment to energy supply aspect round-the-clock and the requirement of long-time stability aspect, with lower maintenance cost, solve and on ultra-high-tension power transmission line, be difficult to the universal on line real-time monitoring problem that realizes.
This system will be with the combination of on-line monitoring equipment, as " the anti-external force hidden danger of transmission line on-line monitoring system " etc., for round-the-clock, the full-time on line real-time monitoring of transmission line provides may.
Accompanying drawing explanation
Fig. 1: conductor wire end transmitting terminal structural representation;
Fig. 2: steel tower receives transducing end structure schematic diagram;
Fig. 3: conductor wire end transmitting terminal and rectifying and voltage-stabilizing modular structure schematic diagram.
Embodiment
As Figure 1-3, a kind of on-Line Monitor Device induction microwave electric power system comprises that conductor wire end transmitting terminal, steel tower receive transducing end two large divisions:
Conductor wire end transmitting terminal is divided into following several part;
(1) wire resonance coupling coil groups 1, resonance coupling induction coil group, when transmission line transmission of electric energy, is converted into electromagnetic energy to extraradial electric field around by wire, and useless line loss electric field is used.The coil that this coil groups is conformed to wire by one group of resonance frequency forms, and adapts to respectively the wire of different electric pressures and operating mode.Because transmission line transmission of electric energy is not unalterable, its amplitude of variation sometimes can be very violent, and this design, when guaranteeing the wide electric pressure work of 35kV to 500kV, has also guaranteed the tolerance to wire operating mode, has increased the reliability of system.
(2) boost and launch oscillator 2, in equipment box, in resonance coupling induction coil group, obtain after energy, follow electromagnetic wave resonance principle, electromagnetic energy size determines by Poynting vector, i.e. S=E * H, wherein S is seal front yard, slope vector, and E is electric field strength, and H is magnetic field intensity.Electric field strength relies on radio wave shock range, so larger amplitude of vibration will effectively provide conversion efficiency.The transmitting oscillator that boosts is used through take the special construction that magnetron is core, and electromagnetic wave amplitude of vibration is amplified to 200-300 doubly, with resonance frequency, launches.
(3) transmitting transducing controller 3, in equipment box, this controller is self-powered intelligent power controller, is the neural control axis of whole conductor wire end transmitting terminal.It dynamically switches by real time monitoring resonance coupling induction coil group operating state the energy that is sent to the transmitting oscillator that boosts., the humidity of Real-Time Monitoring atmosphere is changed meanwhile, control resonance point and the working method of the transmitting oscillator that boosts, improve to greatest extent conversion efficiency.Meanwhile, take measures where necessary to prevent whole conductor wire end transmitting terminal infringement, cause unnecessary loss, and by wireless data communication, Monitoring Data is sent, corresponding system can be directly acquainted with electric power system state.
(4) honeycomb matrix antenna 4, in order to meet the requirement of the wireless power transmission of large distance range, have again enough wind loading ratings simultaneously.This honeycomb matrix antenna system has met the requirement of wind resistance and distance simultaneously.
The wire resonance coupling coil groups output of conductor wire end transmitting terminal is connected with the transmitting oscillator power input that boosts, and the electric energy of acquisition is boosted and be modulated to high-frequency oscillation signal and deliver to honeycomb matrix antenna by antennal interface, carries out signal transmitting.Transmitting transducing controller is sent to honeycomb matrix antenna by independent coupled modes by control signal, is completed the transmitting function of electric energy and control signal by honeycomb matrix antenna.
Steel tower receives transducing end and is divided into following several part;
(1) focus on receiver module 5, this module is used electromagnetic wave resonance principle received energy, and by self-excitation electromagnetic field focusing technology, energy is focused in a less scope.By coil transducing, obtain high-frequency alternating current.
(2) rectifying and voltage-stabilizing module 6, from focusing on receiver module, obtain high-frequency ac electric energy, and the Schottky rectifier bridge by rectifying and voltage-stabilizing module is carried out to rectification, and through high-voltage capacitance, filtering obtains metastable direct current energy.Now direct current energy is high pressure, weak current, and this direct current energy becomes stable low pressure, high-current dc power supply by DC-to-DC conversion, for on-line monitoring equipment.
Steel tower receives transducing end by the electric power signal that focuses on receiver module reception transmitting terminal, by output, is connected to rectifying and voltage-stabilizing module.Rectifying and voltage-stabilizing module is converted to stable dc power supply by the signal receiving and outputs to power consumption equipment.
The present invention, in implementation process, will be divided into 3 major parts:
(1) the bench-scale testing stage, this stage, main verification technique principle realized, the know-why problem that solution may run into.Intend using civilian civil power to test the peripheral wire induction electricity taking coil group of dwindling of installing of ， city electric lead, by loading power consumption equipment simulating grid wire, transmit electricity.According to civil power parameter designing, realize modules, system output is used universal instrument to measure delivery of electrical energy electric weight.
(2) prototype trial-production experimental stage, this stage will be carried out exploitation, the development work of a real system part.And after completing, development work carries out analog line test.
(3) the system combination uniting and adjustment stage, this stage will be carried out installation exercise on the tower of system, and is connected with existing " the anti-external force hidden danger of transmission line on-line monitoring system " equipment end, for it provides electric energy.
On-Line Monitor Device induction microwave electric power system belongs to energy emission energy converting system, for the safety of system be reliably even more important.This system utilizes electromagnetic wave resonance principle to carry out Energy Transfer, and this system is different from the energy emission mechanism of modern radio broadcasting.Self-excitation Effect due to electromagnetic wave resonance principle, when there is no the electric power receiving terminal that resonance frequency is identical with it, transmitter only exchanges quadergy with world resonant cavity, whole system only has active loss seldom, and if general radio broadcasting, the energy of transmitting has all lost in space.That is to say without receiving terminal in the situation that, owing to cannot forming resonance, energy cannot transmit.Impact even if transmitting terminal energy is very huge for steel tower, human body, surrounding environment equals zero, and it cannot can not obtain any type of energy with the object of transmitting terminal resonance.And due to its resonance characteristics, energy is to be close to the form of straight line to extraradial, can reach very high efficiency of transmission.
The upper tower construction of the personnel that consider and equipment outwork are all the year round vital for the safety and reliability of transmitting terminal and receiving terminal.But for native system, it is dangerous that its danger is held irony spanner during no more than live line working.This is mainly manifested in two aspects:
1, mention system above and utilize electromagnetic resonance coupling principle to carry out Energy Transfer, except receiving terminal, other any object (comprising human body, steel tower, instrument etc.) cannot be realized resonance at all, and also nature cannot carry out energy harvesting;
2, transmitting terminal and receiving terminal antenna system are not common wireless aerial, but one group of coil with identical resonance characteristics.Transmitting terminal is used the coiling of 10kV insulated conductor, and receiving terminal is used the coiling of 1kV enamel insulated wire, and antenna skin has outside protective covers simultaneously, with protection equipment, works reliably and with long-term in bad weather conditions.Even if the direct Contact antenna of human body does not have any danger yet.Under extreme conditions, as insulating barrier and outside protective covers damage simultaneously, also only can affect certain efficiency of transmission.For human body, its transmitting terminal and receiving terminal antenna all belong to high voltage micro-current system, transmitting terminal operating current 6mA, and receiving terminal operating current 8mA, because the impedance operator of human body itself substantially can be not influential to human body.
Simultaneously; on-Line Monitor Device induction microwave electric power system is applied ripe principle and complete protecting sheathing; the reliable effectively work of the system that can guarantee; and the power supply capacity that has reached 200%-500% with 1/10 cost and the maintenance cost of solar energy-storage battery (photovoltaic) system, with the ability of incomparable resistance bad weather condition.
Architectural feature:
1 electric field retracting device, reclaims wire radiation electric energy
Effectively utilize superhigh pressure wire electromagnetic property, adopt electromagnetic induction coil that wire electromagnetic energy around is effectively reclaimed, and be converted to electric energy.Application equipotential operation principle, can be operated under 110kV-220kV wire environment the electromagnetic induction coil of retracting device, and is not broken down by high-voltage.By this device, solved device power taking and energy waste problem simultaneously, not affected by any extraneous factor.
2 wireless induction power transmitting devices, effective electric energy transmitting under the prerequisite that guarantees clearance for insulation
Because electric field retracting device on wire is in equipotential state work, cannot use wire by delivery of electrical energy to on-line monitoring equipment on tower.In order to address this problem the present invention, used electromagentic resonance coupling principle, design has realized wireless induction power transmitting device.This device by resonance coupling, is transferred to equipment on tower by electric energy with electromagnetic wave form, thereby has solved the problem of equipotential clearance for insulation, and has opened up new approaches for delivery of electrical energy.This wireless induction power transmitting device, owing to there is no wire, has also greatly been strengthened the reliability and security of whole invention when solving clearance for insulation problem.
Claims (4)
1. an on-Line Monitor Device induction microwave electric power system, is characterized in that, this electric power system comprises that conductor wire end transmitting terminal and steel tower receive transducing end,
Described conductor wire end transmitting terminal comprises:
Wire resonance coupling coil groups, when transmission line transmission of electric energy, is converted into electromagnetic energy to extraradial electric field around by wire, and useless line loss electric field is used;
The transmitting oscillator that boosts, described wire resonance coupling coil groups obtains after energy, and the electromagnetic wave energy in this coil groups is amplified and launched with resonance frequency;
Transmitting transducing controller, for real time monitoring wire resonance coupling coil groups operating state, dynamically switches the energy that is sent to the transmitting oscillator that boosts, simultaneously, the humidity of Real-Time Monitoring atmosphere is changed, control resonance point and the working method of the transmitting oscillator that boosts, improve to greatest extent conversion efficiency;
Honeycomb matrix antenna, for receiving the signal of transmitting transducing controller;
Steel tower receives transducing end and comprises:
Focus on receiver module, the electric energy coming for receiving the transmission of conductor wire end transmitting terminal, is converted into high-frequency alternating current;
Rectifying and voltage-stabilizing module, from described focusing receiver module obtains high-frequency ac electric energy, carries out rectification by the Schottky rectifier bridge by rectifying and voltage-stabilizing module, and through high-voltage capacitance, filtering obtains metastable direct current energy.
2. a kind of on-Line Monitor Device induction microwave electric power system according to claim 1, is characterized in that, described wire resonance coupling coil groups comprises the coil that one group of resonance frequency conforms to wire.
3. a kind of on-Line Monitor Device according to claim 1 is responded to microwave electric power system, it is characterized in that, the output of described wire resonance coupling coil groups is connected with the power input of the transmitting oscillator that boosts, the electric energy of acquisition is boosted and is modulated to high-frequency oscillation signal and delivers to honeycomb matrix antenna, carry out signal transmitting.
4. a kind of on-Line Monitor Device according to claim 1 is responded to microwave electric power system, it is characterized in that, described transmitting transducing controller is sent to honeycomb matrix antenna by independent coupled modes by control signal, is completed the transmitting function of electric energy and control signal by honeycomb matrix antenna.
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| CN112491167A (en) * | 2020-12-08 | 2021-03-12 | 中国电力科学研究院有限公司 | Microwave wireless power supply system and method applied to power grid transmission line monitoring equipment |
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Application publication date: 20140129 |