CN204231000U - A kind of high speed power line carrier-specific intelligent power controller - Google Patents
A kind of high speed power line carrier-specific intelligent power controller Download PDFInfo
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- CN204231000U CN204231000U CN201420633991.2U CN201420633991U CN204231000U CN 204231000 U CN204231000 U CN 204231000U CN 201420633991 U CN201420633991 U CN 201420633991U CN 204231000 U CN204231000 U CN 204231000U
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Abstract
The utility model discloses a kind of high speed power line carrier-specific intelligent power controller, comprise electromagnetic induction coil, rectifying and wave-filtering pressure limited protection circuit, solar panel, answer coil PWM charging circuit, electromagnetic induction coil and high-voltage conducting wires form transformer, electromagnetic induction coil is connected with rectifying and wave-filtering pressure limited protection circuit, rectifying and wave-filtering pressure limited protection circuit, solar panel is connected with answering coil PWM charging circuit respectively, coil PWM charging circuit is answered to connect single-chip microcomputer, single-chip microcomputer completes voltage acquisition and PWM controls, coil PWM charging circuit is answered also to connect storage battery, storage battery connects PWM load power source, single-chip microcomputer also connects PWM load power source, PWM load power source connects H-PLC load.Adopt technique scheme make 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, H-PLC equipment is powered by storage battery when the power output deficiency of solar cell and induction coil.
Description
Technical field
The utility model 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.
Utility model content
In order to solve the problem, the utility model provide 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 utility model, 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 utility model and beneficial effect are: the utility model provide 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 utility model 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 utility model embodiment 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 embodiments more of the present utility model, 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 the utility model intelligent power controller principle block diagram;
Fig. 2 is the utility model intelligent power controller circuitry schematic diagram.
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, embodiment of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection range of the present utility model with this.
As shown in Figure 1, the utility model 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 single-chip microcomputer is central processing unit very conventional at present, and technology is very ripe.Although employ single-chip microcomputer, because existing technology is very ripe, single-chip microcomputer only needs routine to use, and does not relate to the innovation of software section.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 utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
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 |
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| CN201420633991.2U CN204231000U (en) | 2014-10-29 | 2014-10-29 | A kind of high speed power line carrier-specific intelligent power controller |
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| CN201420633991.2U CN204231000U (en) | 2014-10-29 | 2014-10-29 | A kind of high speed power line carrier-specific intelligent power controller |
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| CN204231000U true CN204231000U (en) | 2015-03-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600828A (en) * | 2014-10-29 | 2015-05-06 | 云南电网公司电力科学研究院 | Special intelligent power supply controller for high-speed power line carrier |
| CN106998092A (en) * | 2016-01-24 | 2017-08-01 | 朱经纬 | Induction intelligent wireless charger |
-
2014
- 2014-10-29 CN CN201420633991.2U patent/CN204231000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600828A (en) * | 2014-10-29 | 2015-05-06 | 云南电网公司电力科学研究院 | Special intelligent power supply controller for high-speed power line carrier |
| CN106998092A (en) * | 2016-01-24 | 2017-08-01 | 朱经纬 | Induction intelligent wireless charger |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Co-patentee after: YUNNAN HUAREN ELECTRICAL EQUIPMENT TECHNOLOGY Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Co.,Ltd. Address before: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Co-patentee before: YUNNAN HUAREN ELECTRICAL EQUIPMENT TECHNOLOGY Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Corp. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191203 Address after: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Co.,Ltd. Address before: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Co-patentee before: YUNNAN HUAREN ELECTRICAL EQUIPMENT TECHNOLOGY Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, YUNNAN POWER GRID Co.,Ltd. |
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| TR01 | Transfer of patent right |