CN104600828A - Special intelligent power supply controller for high-speed power line carrier - Google Patents
Special intelligent power supply controller for high-speed power line carrier Download PDFInfo
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- CN104600828A CN104600828A CN201410593302.4A CN201410593302A CN104600828A CN 104600828 A CN104600828 A CN 104600828A CN 201410593302 A CN201410593302 A CN 201410593302A CN 104600828 A CN104600828 A CN 104600828A
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- pwm
- induction coil
- voltage
- chip microcomputer
- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses a special intelligent power supply controller for a high-speed power line carrier. The special intelligent power supply controller comprises an electromagnetic induction coil, a rectifier filter pressure-limiting protection circuit, a solar panel and an induction coil PWM (Pulse Width Modulation) charging circuit; the electromagnetic induction coil and a high voltage lead form a transformer; the electromagnetic induction coil is connected with the rectifier filter pressure-limiting protection circuit; the rectifier filter pressure-limiting protection circuit and the solar panel are connected with the induction coil PWM charging circuit; the induction coil PWM charging circuit is connected with a single chip microcomputer; the voltage collection and the PWM control are achieved through the single chip microcomputer; the induction coil PWM charging circuit is also connected with a storage battery which is connected with a PWM load power supply; the single chip microcomputer is also connected with the PWM load power supply which is connected with H-PLC loads. According to the special intelligent power supply controller for the high-speed power line carrier, a continuous power source is provided for an H-PLC device through the high-voltage electromagnetic induction coil and a solar battery without a 220V alternating current power supply and the power supply is performed on the H-PLC device through the storage battery under the condition that the output power of the solar battery and the induction coil is insufficient.
Description
Technical field
The present invention relates to the category belonging to high-speed power line carrier communication, in particular to a kind of high speed power line carrier-specific intelligent power controller, for the power supply supply of H-PLC equipment, be also applicable to the UPS supply of small-power smart machine on other high-tension line simultaneously.
Background technology
H-PLC device is operated on the high pressure circuit of 35kV-10kV, for solving the powerup issue of H-PLC device, there are solar energy and these two kinds of modes of high voltage induction coil can provide electric energy for H-PLC device respectively at present, if but independent employing wherein mode always, following restriction can be subject to, solar cell is adopted to be charge in batteries under sun-drenched condition by day, and power supply to the device simultaneously, if but running into rainy weather continuously, the power output deficiency of solar energy causes to provide the enough energy for load, and depend on merely the cell panel that solar cell just needs relatively high power, add installation difficulty and power supply cost undoubtedly, and use the mode of high voltage induction coil to power also to run into the restriction of starting current, the circuit of 10kV need the electric current of more than 60A the powering mode of induction coil just can be made to start, the power output reaching 20W then needs the electric current of more than 100A, because the characteristic of residential electricity consumption was difficult to obtain such big current at 10kV rear or branch line at night or low power consumption period, therefore use merely high voltage induction coil can not guarantee the power supply supply of H-PLC equipment reliably.
Electromagnetic energy around high voltage electricity transmission conductive wire is converted into electric energy by high voltage induction coil; output to by monolithic processor controlled PWM charging circuit by current rectifying and wave filtering circuit and pressure limited protection circuit; for storage battery or H-PLC load supplying; the power output of high voltage induction coil is subject to the size of current impact flowing through high-voltage conducting wires, and only having electric current to be greater than more than 60A charging circuit could normal work.Solar cell is a kind of device utilizing photovoltaic effect to be electric energy transform light energy, and its output current increases along with the increasing of luminous intensity.According to the output volt-ampere characteristic of solar cell, the matching properties of load determines the operating characteristic of system and the effective rate of utilization of solar cell.Characteristic due to them causes the power supply supply all well can not guaranteeing H-PLC equipment.
Summary of the invention
In order to solve the problem, the invention provides a kind of when there is no the supply of 220V AC power by high-voltage electromagnetic induction coil and solar cell for H-PLC device provides lasting power source.
A kind of high speed power line carrier-specific intelligent power controller in the present invention, comprise electromagnetic induction coil, rectifying and wave-filtering pressure limited protection circuit, solar panel, answer coil PWM charging circuit, described electromagnetic induction coil and high-voltage conducting wires form transformer, described electromagnetic induction coil is connected with rectifying and wave-filtering pressure limited protection circuit, described rectifying and wave-filtering pressure limited protection circuit, solar panel is connected with answering coil PWM charging circuit respectively, described coil PWM charging circuit of answering connects single-chip microcomputer, described single-chip microcomputer completes voltage acquisition and PWM controls, described coil PWM charging circuit of answering also connects storage battery, described storage battery connects PWM load power source, described single-chip microcomputer also connects PWM load power source, described PWM load power source connects H-PLC load.PWM, i.e. pulse width modulation utilize the numeral of microprocessor to export the very effective technology of one controlled analog circuit, is widely used in and controls with many fields of conversion from measurement, the power that communicates.
In such scheme, described single-chip microcomputer comprises 8 pins, comprising 4 A/D sample port, 1 thermistor and 3 PWM control ports.
In such scheme, described rectifying and wave-filtering pressure limited protection circuit is full-wave rectification bridge.
In such scheme, 3 described PWM control ports are respectively PWM1, PWM2, PWM3, and the duty ratio of PWM1 is for the output voltage of control PWM1, and the duty ratio of PWM2 is for the output voltage of control PWM2, and the duty ratio of PWM3 is for the output voltage of control PWM3.
Advantage of the present invention and beneficial effect are: the invention provides a kind of when there is no the supply of 220V AC power by high-voltage electromagnetic induction coil and solar cell for H-PLC device provides lasting power source.The method that the present invention utilizes solar panel and high-voltage electromagnetic induction coil to combine carries out charging energy-storing to storage battery, is powered by storage battery when the power output deficiency of solar cell and induction coil to H-PLC equipment.This new method can avoid the impact owing to adopting separately the continuous rainy weather be subject to during solar cell for supplying power, also can avoid because the too small induction coil that causes of 10kV line current cannot export the problem of enough power to charge in batteries simultaneously.Two kinds of getting of combining mode can shorten the power-off time of power supply, battery can be full of in the short time, even if run into continuous print rainy weather also can ensure the normal power supply supply of H-PLC equipment, the full power state of storage battery can be guaranteed to greatest extent, make H-PLC equipment obtain stable power supply supply.
PWM charging circuit based on Intelligent Single-Chip Based control can judge the size of load output current and charging current accurately, characteristic according to storage battery carries out management of charging and discharging, extend the useful life of storage battery, utilize single-chip microcomputer to pass through to analyze the A/D of load end sampling, the output current that the PWM port of reasonable distribution high voltage induction coil and solar panel controls corresponding PWM power supply respectively realizes the maximization of power output.Constantly being changed the size of its load impedance by the duty ratio of control PWM, thus reach the optimum Match of array and load, realize the peak power output of solar cell, is charge in batteries.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is intelligent power controller principle block diagram of the present invention;
Fig. 2 is intelligent power controller circuitry schematic diagram of the present invention.
In figure: 1, electromagnetic induction coil 2, rectifying and wave-filtering pressure limited protection circuit 3, solar panel
4, coil PWM charging circuit 5, single-chip microcomputer 6, storage battery is answered
7, PWM load power source 8, H-PLC load
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, the present invention is a kind of high speed power line carrier-specific intelligent power controller, comprise electromagnetic induction coil 1, rectifying and wave-filtering pressure limited protection circuit 2, solar panel 3, answer coil PWM charging circuit 4, electromagnetic induction coil 1 and high-voltage conducting wires form transformer, electromagnetic induction coil 1 is connected with rectifying and wave-filtering pressure limited protection circuit 2, rectifying and wave-filtering pressure limited protection circuit 2, solar panel 3 is connected with answering coil PWM charging circuit 4 respectively, coil PWM charging circuit 4 is answered to connect single-chip microcomputer 5, single-chip microcomputer 5 completes voltage acquisition and PWM controls, coil PWM charging circuit 4 is answered also to connect storage battery 6, storage battery 6 connects PWM load power source 7, single-chip microcomputer 5 also connects PWM load power source 7, PWM load power source 7 connects H-PLC load 8.
Rectifying and wave-filtering pressure limited protection circuit is full-wave rectification bridge, full-wave rectification bridge can convert the 50Hz alternating current of induction coil to direct current, the effect of capacitor is filtering, make the voltage waveform of output steady, D1 and R1 forms a transient suppress, (when high-tension line short circuit or heavy duty, huge current flow can be produced when induction coil exports suddenly high pressure, cause the unexpected output HIGH voltage of induction coil) D1 conducting, superfluous electric current is consumed by R1 power resistor, in order to avoid too high voltage causes PWM module to damage; Other 2 resistance form a voltage divider, and single-chip microcomputer utilizes inner reference voltage to compare the voltage that voltage divider collects, and the magnitude of voltage judging that induction coil exports with this is how many, then adjusts the stable duty ratio output voltage of PWM1.
As shown in Figure 2, single-chip microcomputer comprises 8 pins, and comprising 4 A/D sample port, 1 thermistor and 3 PWM control ports, wherein, diode is D11N4757 voltage stabilizing didoe; R1 is power resistor;
A1: the voltage of A/D1 sample port to induction coil of single-chip microcomputer is sampled;
A2: the voltage of A/D2 sample port to solar cell of single-chip microcomputer is sampled;
A3: the voltage of A/D3 sample port to storage battery of single-chip microcomputer is sampled;
A4: the A/D4 sample port of single-chip microcomputer is sampled to output voltage;
B1: thermistor detects battery temp, when temperature anomaly then shutdown system;
B2: the PWM control port of single-chip microcomputer, controls the duty ratio of power supply PWM 2;
B3: the PWM control port of single-chip microcomputer, controls the duty ratio of power supply PWM 1;
B4: the PWM control port of single-chip microcomputer, controls the duty ratio of power supply PWM 3.
Single-chip microcomputer is the core of whole controller, and the PWM1 output pwm signal of single-chip microcomputer controls the charging current of electromagnetic induction coil, charges to storage battery when high voltage induction coil can provide during enough power stages; The PWM2 output pwm signal of single-chip microcomputer controls the charging current of solar cell, charges to storage battery when solar cell has during enough power outputs; Pressure limited protection circuit is made up of voltage stabilizing didoe and power resistor; in order to avoid induction coil output HIGH voltage produces harm to equipment and the person when when high voltage induction coil has sufficient power stage, storage battery does not need to charge; voltage stabilizing didoe punctures when reaching protection voltage; electric current is discharged by power resistor, makes the current path of induction coil to safety value.Use single-chip microcomputer accurately to control the discharge and recharge of storage battery, meet battery characteristics, increase the service life; Adopt dedicated program to control pwm circuit and carry out power management, raise the efficiency; Export for the low ripple voltage stabilizing of H-PLC chipset design 9V-0.2A and 5V-0.5A two-way; Ultra-small volume, can meet the requirement of H-PLC device interior installation dimension.
Its control mode is:
1) sample at the voltage of A/D1 sample port to induction coil of single-chip microcomputer, be less than the duty ratio of control PWM1 under the prerequisite of charging current, make the voltage of induction coil maintain 43V at output current, at this moment the power output of induction coil maximizes.
2) sample at the voltage of A/D2 sample port to solar cell of single-chip microcomputer, the duty ratio of control PWM2 under the prerequisite of charge requirement electric current is less than at output current, make the magnitude of voltage of solar cell maintain 17.2V, at this moment the power output of solar cell maximizes.
3) sample at the voltage of A/D3 sample port to storage battery of single-chip microcomputer, judge the size (containing load output current) of required charging current according to the magnitude of voltage of accumulator terminal.
4) sampled to output voltage by the A/D4 sample port at single-chip microcomputer, control load exports the duty ratio of PWM3, makes 9V and the 5V voltage of PWM3 voltage stable output.
5) when the voltage of accumulator terminal reaches more than 13.8V, the duty ratio of control PWM1 and PWM2 makes storage battery maintain floating charge state, if when the power output of electromagnetic induction coil and solar energy is all less than bearing power, be automatically converted into by storage battery load supplying.Until induction coil and solar energy have enough power outputs just again to charge to storage battery.
6) when the output loading of high voltage induction coil reduces, the voltage that induction coil exports raises as avoiding induction coil output HIGH voltage to produce harm to equipment and the person gradually, voltage stabilizing didoe D1 conducting, electric current is discharged by power resistor R1, and the voltage of induction coil is limited in safety value.
7) thermistor detects battery temp, when temperature anomaly then shutdown system.
The duty ratio of PWM1 is mainly used in the output voltage of control PWM1, the change of this voltage is subject to the impact of level of charge in batteries and load output size, the duty ratio of PWM1 will adjust according to the charged state of storage battery, also to consider the voltage swing that induction coil exports simultaneously, the voltage high duty ratio that induction coil exports will become large, and the voltage low duty ratio that induction coil exports can diminish.The duty ratio of PWM2 is also carry out adjusting according to the output voltage of solar cell, high-resistance power supply is belonged to unlike solar cell, in order to the power output of solar cell is maximized, need that the output voltage of solar cell is maintained 17.2V and at this moment can reach maximal efficiency.The duty ratio of PWM3 depends on the watt level of PLC device even load, and the effect of PWM3 is at+9V and+5V by output voltage stabilization.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a high speed power line carrier-specific intelligent power controller, it is characterized in that, comprise electromagnetic induction coil, rectifying and wave-filtering pressure limited protection circuit, solar panel, answer coil PWM charging circuit, described electromagnetic induction coil and high-voltage conducting wires form transformer, described electromagnetic induction coil is connected with rectifying and wave-filtering pressure limited protection circuit, described rectifying and wave-filtering pressure limited protection circuit, solar panel is connected with answering coil PWM charging circuit respectively, described coil PWM charging circuit of answering connects single-chip microcomputer, described single-chip microcomputer completes voltage acquisition and PWM controls, described coil PWM charging circuit of answering also connects storage battery, described storage battery connects PWM load power source, described single-chip microcomputer also connects PWM load power source, described PWM load power source connects H-PLC load.
2. a kind of high speed power line carrier-specific intelligent power controller according to claim 1, it is characterized in that, described single-chip microcomputer comprises 8 pins, comprising 4 A/D sample port, 1 thermistor and 3 PWM control ports.
3. a kind of high speed power line carrier-specific intelligent power controller according to claim 1, it is characterized in that, described rectifying and wave-filtering pressure limited protection circuit is full-wave rectification bridge.
4. a kind of high speed power line carrier-specific intelligent power controller according to claim 1, it is characterized in that, 3 described PWM control ports are respectively PWM1, PWM2, PWM3, the duty ratio of PWM1 is for the output voltage of control PWM1, the duty ratio of PWM2 is for the output voltage of control PWM2, and the duty ratio of PWM3 is for the output voltage of control PWM3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593302.4A CN104600828A (en) | 2014-10-29 | 2014-10-29 | Special intelligent power supply controller for high-speed power line carrier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410593302.4A CN104600828A (en) | 2014-10-29 | 2014-10-29 | Special intelligent power supply controller for high-speed power line carrier |
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| CN104600828A true CN104600828A (en) | 2015-05-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998092A (en) * | 2016-01-24 | 2017-08-01 | 朱经纬 | Induction intelligent wireless charger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06311670A (en) * | 1993-04-23 | 1994-11-04 | Shin Kobe Electric Mach Co Ltd | Storage-battery charging device using solar battery as power supply |
| CN201821275U (en) * | 2010-09-02 | 2011-05-04 | 北京水木源华电气有限公司 | Power line monitor terminal with capability of automatically getting power |
| CN102751754A (en) * | 2012-06-28 | 2012-10-24 | 北京航空航天大学 | Solar energy and CT (current) mixing type energy storage and power supply device based on power control |
| CN204231000U (en) * | 2014-10-29 | 2015-03-25 | 云南电网公司电力科学研究院 | A kind of high speed power line carrier-specific intelligent power controller |
-
2014
- 2014-10-29 CN CN201410593302.4A patent/CN104600828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06311670A (en) * | 1993-04-23 | 1994-11-04 | Shin Kobe Electric Mach Co Ltd | Storage-battery charging device using solar battery as power supply |
| CN201821275U (en) * | 2010-09-02 | 2011-05-04 | 北京水木源华电气有限公司 | Power line monitor terminal with capability of automatically getting power |
| CN102751754A (en) * | 2012-06-28 | 2012-10-24 | 北京航空航天大学 | Solar energy and CT (current) mixing type energy storage and power supply device based on power control |
| CN204231000U (en) * | 2014-10-29 | 2015-03-25 | 云南电网公司电力科学研究院 | A kind of high speed power line carrier-specific intelligent power controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998092A (en) * | 2016-01-24 | 2017-08-01 | 朱经纬 | Induction intelligent wireless charger |
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Application publication date: 20150506 |