CN106786813A - High efficiency electric field induction electricity getting device - Google Patents
High efficiency electric field induction electricity getting device Download PDFInfo
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- CN106786813A CN106786813A CN201710012151.2A CN201710012151A CN106786813A CN 106786813 A CN106786813 A CN 106786813A CN 201710012151 A CN201710012151 A CN 201710012151A CN 106786813 A CN106786813 A CN 106786813A
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- 230000005611 electricity Effects 0.000 title claims abstract description 48
- 230000005684 electric field Effects 0.000 title claims abstract description 40
- 230000006698 induction Effects 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 238000000844 transformation Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 35
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 19
- 239000004065 semiconductor Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 20 in Fig. 1) Chemical compound 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910002112 ferroelectric ceramic material Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H02J5/005—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- Engineering & Computer Science (AREA)
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Abstract
High efficiency electric field induction electricity getting device, for the power supply of high-voltage alternating equipment, stored by the storage capacitor in accumulator by the high voltage-small current electric energy that existing electric field induction power taking technology is obtained, after storage capacitor is fully charged, the electronic switch controlled by Schmidt trigger connects reduction voltage circuit, electric energy is released to reduction voltage circuit in a pulsed fashion, afterflow inductance, step-down transformer, filtering storage capacitor inside reduction voltage circuit, diode are filtered into the high voltage pulse electric energy electric energy of low voltage constant；Low-voltage, high-current is transformed into the high voltage micro-current electric energy of original power is efficient by aforementioned manner, electric field induction electricity getting device is significantly exported more electric energy.
Description
Technical field
The present invention relates to the electric power system of high-voltage alternating equipment.
Background technology
Existing high-voltage alternating equipment except directly using high-voltage ac power, it is necessary to separately power mostly mains-supplied,
Self-powered, the sensing class mode of power taking 3 is powered；Mains-supplied is used for being powered, it is necessary to set defeated to the big large scale equipment of power consumption
Electric line in use to have inconvenience more；It is self-powered that solar-electricity is generally added by chemical primary cell power supply, or chemical secondary cell
Pond or wind-power electricity generation are combined, and primary cell power supply needs periodic replacement battery, once have with secondary cell leakage with high temperature
The danger of blast, the material that battery drain goes out is conductive, can cause the danger of high-voltage electric power system short circuit；Sensing power taking is straight
Connect and electric energy is absorbed from ultra-high-tension power transmission line, be specifically divided into 2 kinds of electric current sensing power taking and electric field induction power taking, electric current sensing power taking
Using current transformer principle, electric energy is absorbed in the magnetic field produced from transmission line of electricity, the electric current in ultra-high-tension power transmission line is unstable,
The electric energy that electric current hour is obtained is also small, or even takes less than electricity, there is the problem that magnetic core is overheated when electric current is big, and electric current sensing power taking is obtained
Electric energy it is very unstable.
Electric field induction power taking utilizes tablet（As 1 in Fig. 1）In the segregated capacitive of itself, with three-phase high-voltage transmission line of electricity it
The high-pressure side being connected all the way（As 2 in Fig. 1）Voltage difference is formed, in this, as original power, the power supply feature is open-circuit voltage
Height, equal to phase voltage, short circuit current is relevant with high-pressure side voltage-to-ground height with tablet profile, is a minimum numerical value, leads to
Often in several μ A or tens of μ A orders of magnitude；Original power is by rectification circuit（As 3 in Fig. 1）Rectification is carried out, electricity is flowed by times afterwards
Road, i.e. rectification circuit（As 3 in Fig. 1）The circuit at rear portion, carries out decompression and flow increasing, and circuit theory is as follows：
Rectification circuit（As 3 in Fig. 1）The DC current of output is by charging diode（As 11~13 in Fig. 1）Storage connected in series
Can electric capacity（As 14~17 in Fig. 1）, storage capacitor（As 14~17 in Fig. 1）The capacity of every is equal, and storage capacitor is gone here and there
Connection charges, rear class capacitance energy storage electric capacity（As 17 in Fig. 1）Voltage exceedes bidirectional trigger diode（As 19 in Fig. 1）Break over voltage
When, controllable silicon（As 20 in Fig. 1）It is triggered, forms heavy-current discharge, original power output current ability is extremely low, and voltage is drawn
It is low, storage capacitor（As 14~17 in Fig. 1）By discharge diode（As 5~10 in Fig. 1）With parallel way by controllable silicon（Such as
20 in Fig. 1）, current-limiting resistance（As 21 in Fig. 1）To final stage energy storage filter capacitor（As 22 in Fig. 1）Discharged, discharge current subtracts
It is small to controllable silicon（As 20 in Fig. 1）When maintaining electric current, controllable silicon cut-off, circuit recharge process；By foregoing times of current circuit work
Make principle and understand times current circuit is how many single-unit accumulator（As 4 in Fig. 1）, with regard to the decompression and flow increasing energy of corresponding how many multiplying power
Number of diodes has been reduced in power, wherein head and the tail single-unit accumulator.
Load is obtained peak power, load must be matched with source impedance, load impedance is equal to source impedance, electricity
The power output end of field sensing power taking is tablet（As 1 in Fig. 1）With high-pressure side（As 2 in Fig. 1）, source impedance is tablet
（As 1 in Fig. 1）Segregated capacitive, is pure capacitive reactances, and load impedance is rectification circuit（As 3 in Fig. 1）Times stream electricity being attached thereto
Road and late-class circuit, its C-V characteristic can be considered as pure resistance, be a nonlinear resistance, and times current circuit plays impedance transformer and makees
With when the capacitive impedance of power supply is equal with the resistive impedance of load, the voltage for loading 2 ends is moved by the capacitive impedance of power supply
Mutually influence, 45 ° of phase leading current phase, corresponding voltage value is power supply U × sin45 °, defeated for common 10kV line voltages
Electric line, tablet（As 1 in Fig. 1）To high-pressure side（As 2 in Fig. 1）Voltage is phase voltage 5.8kV, reaches desired impedance matching
When, load voltage=5.8kV × sin45=4.1 kV at 2 ends.
With the load circuit that current circuit output end is connected again, Typical operating voltages are 5V or 3.3V, times current circuit output
End output voltage is less than bidirectional trigger diode（As 19 in Fig. 1）Break over voltage, about 20V, common load circuit are also needed to
Step-down is realized by the mu balanced circuit voltage higher to current circuit output end again, times current circuit flows ability for 4 times again（Such as Fig. 1）
When, tablet（As 1 in Fig. 1）With high-pressure side（As 2 in Fig. 1）Output voltage be 20V × 4=80V, also not include mu balanced circuit
The power loss for causing, 80V from desired impedance match when voltage 4.1kV deviate greatly, this causes electric field induction way to take power
Power taking is extremely inefficient, and output electric energy is minimum；Increase single-unit accumulator in times current circuit（As 4 in Fig. 1）Joint number can be improved again
Stream ability, times stream ability and single-unit accumulator（As 4 in Fig. 1）Joint number is directly proportional, and the method can dramatically increase circuit volume, electricity
On high-tension line, volume crosses conference harm becoming attached to property of high-tension apparatus to field sensing electricity getting device, is especially set installed in high pressure
When standby internal, increase single-unit accumulator in times current circuit（As 4 in Fig. 1）Joint number improves a times method for stream ability and is extremely limited.
The tablet of electric field induction way to take power（As 1 in Fig. 1）When shape is fixed with position, energy value and the height of acquirement
Pressure side（As 2 in Fig. 1）Voltage-to-ground is relevant, the line voltage association in direct ratio of the voltage and transmission line of electricity, the line of transmission line of electricity
Voltage is extremely stablized, therefore the electric energy that electric field induction way to take power is obtained extremely is stablized.
The content of the invention
High-tension electric energy is converted into the electric energy of low-voltage, Switching Power Supply has the advantage of efficiency high and circuit small volume, but
Switching Power Supply cannot be used in electric field induction electricity getting device, and the oscillating circuit included in Switching Power Supply has fixed with sample circuit
Power consumption, causes no-load current, and AD-DC types switch power supply no-load consumption minimum 150 μ A, the DC-DC types Switching Power Supply of electric current is empty
Carry the consumption minimum 20 μ A of electric current, even if Switching Power Supply can be used in electric field induction electricity getting device reluctantly, its no-load consumption electric current
Also result in circuit energy conversion efficiency low.
The present invention is transformed existing Switching Power Supply oscillating circuit, cancels sample circuit, makes switch power supply no-load electric current
It is greatly reduced, can be used to be depressured in electric field induction electricity getting device；Circuit block diagram is shown in Fig. 2（Such as Fig. 2）, accumulator（Such as
4 in Fig. 2）Simplest form is that the single pole of storage capacitor 2 is connected in parallel on rectification circuit（As 3 in Fig. 2）The pole of output end 2, it is another
Form is to use many storage capacitors（As 14~17 in Fig. 1）With commutation diode（As 11~13 and 5~10 in Fig. 1）According to
Times current circuit in background technology（Such as Fig. 1）In mode connect, with electronic switch（As 6 in Fig. 2）Form times current circuit, energy storage electricity
Hold（As 14~17 in Fig. 1）Charge path charges for series system, and discharge path discharges for parallel way, equivalent electric during electric discharge
Capacity is all storage capacitor capacity sums, and during using many storage capacitors, each capacity of storage capacitor can be differed, its
Quantity is generally 2~4；Accumulator（As 4 in Fig. 2）During using single storage capacitor, Schmidt trigger（As 5 in Fig. 2）
Input connects storage capacitor positive pole, accumulator（As 4 in Fig. 2）During using many storage capacitors, Schmidt trigger（As schemed
5 in 2）Input connects final stage storage capacitor positive pole, Schmidt trigger（As 5 in Fig. 2）Output end connects electronic switch（As schemed
6 in 2）Control pole, reduction voltage circuit（As 7 in Fig. 2）The electronic switch that input passes through series connection（As 6 in Fig. 2）With accumulator
（As 4 in Fig. 2）Connection, mu balanced circuit（As 8 in Fig. 2）With reduction voltage circuit（As 7 in Fig. 2）Output end is connected, reduction voltage circuit（As schemed
7 in 2）With line buck circuit（As 4 in Fig. 3）With parallel reduction voltage circuit（As 4 in Fig. 4）2 types；If load energy
Adapt to reduction voltage circuit（As 7 in Fig. 2）Output voltage, then without mu balanced circuit（As 8 in Fig. 2）.
Schmidt trigger（As 5 in Fig. 2）To electronic switch（As 6 in Fig. 2）Control mode is, with accumulator（Such as Fig. 2
In 4）The Schmidt trigger being connected（As 5 in Fig. 2）Input terminal voltage is higher than Schmidt trigger（As 5 in Fig. 2）Forward direction
During threshold voltage, Schmidt trigger（As 5 in Fig. 2）Control electronic switch（As 6 in Fig. 2）Closure, accumulator（As in Fig. 2
4）Voltage is less than Schmidt trigger（As 5 in Fig. 2）During negative sense threshold voltage, Schmidt trigger（As 5 in Fig. 2）Control electronics
Switch（As 6 in Fig. 2）Disconnect, electronic switch（As 6 in Fig. 2）Control pole needs the type that high level is closed to coordinate noninverting to apply close
Special trigger（As 5 in Fig. 2）Use, electronic switch（As 6 in Fig. 2）Control pole needs the type that low level is closed to coordinate anti-phase applying
Schmitt trigger（As 5 in Fig. 2）Use.
Schmidt trigger（As 5 in Fig. 2）High pressure diac can be used（As 1 in Fig. 5,6）With differential concatenation
Voltage-regulator diode（As 2 in Fig. 5,6）Constitute, it is actually used in be not limited to this two kinds of devices and constitute Schmidt triggers（Such as Fig. 2
In 5）, as bidirectional trigger diode can also replace high pressure diac（As 1 in Fig. 5,6）, high pressure diac（As schemed
5th, 1 in 6）Trigger voltage adds voltage-regulator diode（As 2 in Fig. 5,6）Breakdown reverse voltage is Schmidt trigger（As 5 in Fig. 2）'s
Forward threshold voltage, voltage-regulator diode（As 2 in Fig. 5,6）Breakdown reverse voltage is Schmidt trigger（As 5 in Fig. 2）Negative sense
Threshold voltage.
Electronic switch is voltage-controlled device such as metal-oxide-semiconductor（As 3 in Fig. 5）, high pressure diac（As 1 in Fig. 5）, it is steady
Pressure diode（As 2 in Fig. 5）, resistance（As 4,5 in Fig. 5）Connected mode is as shown in Figure 5（Such as Fig. 5）, high-voltage energy storage capacitor（As schemed
6 in 5）Voltage exceedes high pressure diac（As 1 in Fig. 5）Trigger voltage and voltage-regulator diode（As 2 in Fig. 5）Reverse breakdown electricity
During pressure sum, high pressure diac（As 1 in Fig. 5）Conducting, resistance 4（As 4 in Fig. 5）Play metering function, resistance 5（As in Fig. 5
5）Play partial pressure, make metal-oxide-semiconductor（As 3 in Fig. 5）There is grid voltage, metal-oxide-semiconductor conducting, high-voltage energy storage capacitor（As 6 in Fig. 5）It is right
Reduction voltage circuit（As 7 in Fig. 5）Discharged, worked as high-voltage energy storage capacitor（As 6 in Fig. 5）Voltage is dropped to close to voltage-regulator diode
（As 2 in Fig. 5）During breakdown reverse voltage, high pressure diac is flowed through（As 1 in Fig. 5）Electric current less than maintain electric current, high pressure
Diac（As 1 in Fig. 5）Cut-off, resistance 5（As 5 in Fig. 5）Quickly metal-oxide-semiconductor（As 3 in Fig. 5）Posted between grid and source electrode
The electric charge of raw electric capacity storage bleeds off, metal-oxide-semiconductor（As 3 in Fig. 5）Cut-off, high-voltage energy storage capacitor（As 6 in Fig. 5）Recover charging process.
Electronic switch is current control device such as triode（As 3 in Fig. 6）, high pressure diac（As 1 in Fig. 6）、
Voltage-regulator diode（As 2 in Fig. 6）, resistance（As 4 in Fig. 6）Connected mode is as shown in Figure 6（Such as Fig. 6）, high-voltage energy storage capacitor（As schemed
5 in 6）Voltage exceedes high pressure diac（As 1 in Fig. 6）Trigger voltage and voltage-regulator diode（As 2 in Fig. 6）Reverse breakdown electricity
During pressure sum, high pressure diac（As 1 in Fig. 6）Conducting, resistance 4（As 4 in Fig. 6）Metering function is played, makes triode（As schemed
3 in 6）There is base current, triode ON, high-voltage energy storage capacitor（As 5 in Fig. 6）To reduction voltage circuit（As 6 in Fig. 6）Put
Electricity, works as high-voltage energy storage capacitor（As 5 in Fig. 6）Voltage is dropped to close to voltage-regulator diode（As 2 in Fig. 6）During breakdown reverse voltage,
Flow through high pressure diac（As 1 in Fig. 6）Electric current less than maintain electric current, high pressure diac（As 1 in Fig. 6）Cut-off,
Triode（As 3 in Fig. 6）Base current disappears, triode（As 3 in Fig. 6）Cut-off, high-voltage energy storage capacitor（As 6 in Fig. 5）Recover
Charging process.
Reduction voltage circuit（As 7 in Fig. 2）There is tandem（As 4 in Fig. 3）With it is parallel（As 4 in Fig. 4）2 kinds, effect is handle
Accumulator（As 4 in Fig. 2）By electronic switch（As 6 in Fig. 2）Closure disconnects the high-voltage pulse electric energy for being formed and is filtered into repeatedly
The electric energy of low voltage constant；Step-down transformer（As 2 in Fig. 4）Can also be auto-transformer, step-down transformer（As 2 in Fig. 4）Work
Make in normal shock and flyback state, also need in output circuit add afterflow inductance and the pole of afterflow two when being operated in normal shock state
Pipe；Accumulator（As 4 in Fig. 2）Input voltage virtual value should be greater than 80V, can otherwise cause high efficiency electric field induction electricity getting device
Power taking inefficiency, without practical value, can be by setting Schmidt trigger（As 5 in Fig. 2）Forward threshold voltage and negative sense
Threshold voltage is realized.
Mu balanced circuit（As 8 in Fig. 2）Simplest form is to be connected anti-parallel in reduction voltage circuit to filter with voltage-regulator diode
Storage capacitor（As 3 in Fig. 3,4）2 ends, mu balanced circuit（As 8 in Fig. 2）Can also be three linear voltage-stabilized power supplies or DC-DC switches
Power supply.
Brief description of the drawings
Fig. 1 is existing electric field induction way to take power circuit theory diagrams, and 1 is tablet, and 2 is high-pressure side, and 3 is rectification circuit, 4
It is single-unit accumulator in current circuit again, 5~10 is discharge diode, and 11~13 is charging diode, and 14~17 is energy storage electricity
Hold, 18 is current-limiting resistance, and 19 is bidirectional trigger diode, and 20 is controllable silicon, and 21 is current-limiting resistance, and 22 is final stage energy storage filtered electrical
Hold.
Fig. 2 is high efficiency electric field induction electricity getting device circuit block diagram, and 1 is tablet, and 2 is high-pressure side, and 3 is rectification
Circuit, 4 is accumulator, and 5 is Schmidt trigger, and 6 is electronic switch, and 7 is reduction voltage circuit, and 8 is mu balanced circuit.
Fig. 3 is line buck circuit, and 1 is fly-wheel diode, and 2 is afterflow inductance, and 3 is filtering storage capacitor, in square frame 4
Element is complete line buck circuit.
Fig. 4 is parallel reduction voltage circuit, and 1 is commutation diode, and 2 is step-down transformer, and 3 is filtering storage capacitor, square frame 4
Interior element is complete parallel reduction voltage circuit.
Fig. 5 be high efficiency electric field induction electricity getting device in electronic switch for voltage-controlled device metal-oxide-semiconductor typical circuit
Figure, 1 is high pressure diac, and 2 is voltage-regulator diode, and 3 is metal-oxide-semiconductor, and 4,5 is resistance, and 6 is high-voltage energy storage capacitor, and 7 is step-down
Circuit.
Fig. 6 be high efficiency electric field induction electricity getting device in electronic switch for current control device triode typical circuit
Figure, 1 is high pressure diac, and 2 is voltage-regulator diode, and 3 is triode, and 4 is resistance, and 5 is high-voltage energy storage capacitor, 6 step-down electricity
Road.
Fig. 7 is the road symmetrical serial application of high efficiency electric field induction electricity getting device 2, and 1,2 fill for the power taking of high efficiency electric field induction
Put, 3 is P-channel metal-oxide-semiconductor, and 4 is N-channel MOS pipe.
Fig. 8 is the series connection application of high efficiency electric field induction electricity getting device, and 1,2 is packet power supply, and 3,4 is high-voltage energy storage capacitor.
Specific embodiment
High-voltage energy storage capacitor（As 6 in Fig. 5）（As 5 in Fig. 6）It is good that type of device is usually the nonpolarity high frequency of Low dark curient
Electric capacity, commutation diode（As 1 in Fig. 4）Type of device is usually Schottky diode, preferably synchronous rectifier, afterflow inductance
（As 2 in Fig. 3）Type of device is usually sendust core inductance, filters storage capacitor（As 3 in Fig. 3,4）Type of device is usually
Electrochemical capacitor, preferably Large Copacity ferroelectric ceramic material electric capacity.
The high efficiency electric field induction electricity getting device that the present invention is provided can be used in series, and make up single electronic switch（Such as Fig. 2
In 6）Pressure-resistant deficiency, symmetrical serial application typical circuit is shown in Fig. 7（Such as Fig. 7）, high efficiency electric field induction electricity getting device 1（As in Fig. 7
1）The electronic switch of low level closure, such as P-channel metal-oxide-semiconductor, or PNP type triode are needed using control pole, coordinates anti-
Phase Schmidt trigger, the high pressure diac being such as connected with negative pole constitutes anti-phase schmidt trigger with voltage-regulator diode
Device, high efficiency electric field induction electricity getting device 2（As 2 in Fig. 7）The electronic switch of high level closure, such as N ditches are needed using control pole
Road metal-oxide-semiconductor, or NPN type triode, coordinate noninverting Schmidt trigger, the high pressure triggering two being such as connected with positive pole
Pole pipe constitutes noninverting Schmidt trigger with voltage-regulator diode；2 tunnel high efficiency electric field induction electricity getting devices 1,2（1 in such as Fig. 7,
2）In high-voltage energy storage capacitor be accumulator series connection, output end series connection can make overall input voltage improve 1 times.
It is to use parallel reduction voltage circuit that high efficiency electric field induction electricity getting device another kind is used in series mode（As in Fig. 4
4）, it is grouped power supply 1,2（As 1,2 in Fig. 8）In high-voltage energy storage capacitor（As 3,4 in Fig. 8）That is accumulator（As 4 in Fig. 2）String
Connection, is grouped power supply 1,2（As 1,2 in Fig. 8）Output end connection transformer difference winding primary coil, reaches electrical isolation effect,
Or packet power supply 1,2（As 1,2 in Fig. 8）Output end connects different transformers, realizes electrical isolation, different transformer output ends
After rectifying and wave-filtering in parallel or in series；This is used in series mode and is grouped power supply and is not limited to 2 groups, can be more multigroup, makes overall input
Voltage is higher.
The high efficiency electric field induction electricity getting device that the present invention is provided can allow high-pressure side（As 2 in Fig. 2）With tablet（As schemed
1 in 2）Magnitude of voltage more than 1500V, the magnitude of voltage depend on electronic switch（As 6 in Fig. 2）Pressure voltage, with packet power supply component
Group number, the magnitude of voltage much larger than in the prior art using only current circuit again when high-pressure side（As 2 in Fig. 1）With tablet（Such as
1 in Fig. 1）80V voltages, are analyzed from electric field induction power taking load in background technology and source impedance matching principle, higher
Step-down ratio can bring more preferable impedance matching effect, and in sum, the high efficiency electric field induction electricity getting device that the present invention is provided is taken the photograph
The electric energy for taking, has 1~3 order of magnitude to be lifted compared with the prior art.
The high efficiency electric field induction electricity getting device that the present invention is provided, can be used for high-voltage charge display device, wireless temperature measurement sensing
The power supply of device, and transmission line online monitoring system sensor power supply.
Claims (6)
1. high efficiency electric field induction electricity getting device, for the power supply of high-voltage alternating equipment, generally comprises tablet, and high-pressure side is whole
Current circuit, it is characterised in that：Accumulator is connected with Schmidt trigger input, Schmidt trigger output end and electronic cutting
The control pole connection of pass, reduction voltage circuit input is connected by the electronic switch connected with accumulator；Accumulator input electricity
Valid value is pressed with more than 80V.
2. Schmidt trigger in high efficiency electric field induction electricity getting device as claimed in claim 1, it is characterised in that：Schmidt touches
Hair device is constituted using high pressure diac with the voltage-regulator diode of differential concatenation.
3. Schmidt trigger in high efficiency electric field induction electricity getting device as claimed in claim 1, it is characterised in that：Schmidt touches
Hair device is constituted using bidirectional trigger diode with the voltage-regulator diode of differential concatenation.
4. high efficiency electric field induction electricity getting device as claimed in claim 1, it is characterised in that：2 tunnel high efficiency electric field induction power takings
Device is used in series, and high efficiency electric field induction electricity getting device 1 needs the electronic switch of low level closure using control pole, coordinates anti-
Phase Schmidt trigger, high efficiency electric field induction electricity getting device 2 needs the electronic switch of high level closure using control pole, coordinates
Noninverting Schmidt trigger, 2 tunnel high efficiency electric field induction electricity getting device input series connection, output end series connection.
5. high efficiency electric field induction electricity getting device as claimed in claim 1, it is characterised in that：Reduction voltage circuit is parallel, is used
Multigroup packet power supply, is grouped the accumulator series connection of power supply, and different grouping power output end connection transformer difference winding is primary
Coil.
6. high efficiency electric field induction electricity getting device as claimed in claim 1, it is characterised in that：Reduction voltage circuit is parallel, is used
Multigroup packet power supply, is grouped the accumulator series connection of power supply, and different grouping power output end connects different transformers, different transformations
After device output end rectifying and wave-filtering in parallel or in series.
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| CN201610901353 | 2016-10-16 | ||
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521174A (en) * | 2018-04-12 | 2018-09-11 | 西安交通大学 | A kind of high-voltage alternating electric field takes can circuit and self-excitation type power supply |
| CN109038865A (en) * | 2018-08-16 | 2018-12-18 | 四川瑞霆电力科技有限公司 | Temperature measuring equipment and its electricity-fetching module, switching power circuit applied to cable accessory |
| CN113252210A (en) * | 2021-05-06 | 2021-08-13 | 四川瑞霆电力科技有限公司 | Intelligent monitoring system and method applied to high-voltage side of transformer |
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