CN106655827A - Independent power supply device for router of information-type intelligent photovoltaic system - Google Patents
Independent power supply device for router of information-type intelligent photovoltaic system Download PDFInfo
- Publication number
- CN106655827A CN106655827A CN201611135087.9A CN201611135087A CN106655827A CN 106655827 A CN106655827 A CN 106655827A CN 201611135087 A CN201611135087 A CN 201611135087A CN 106655827 A CN106655827 A CN 106655827A
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- CN
- China
- Prior art keywords
- power supply
- router
- circuit
- switch
- photovoltaic system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Direct Current Feeding And Distribution (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an independent power supply device for a router of an information-type intelligent photovoltaic system. The independent power supply device is characterized in that a power semiconductor device is adopted as a switch element and output voltage is adjusted through periodically turning on and off a switch and controlling the duty ratio of the switch element; the switch element is repeatedly connected and disconnected at a certain time interval; an input power supply provides a load with energy through the switch and a filter circuit when the switch element is connected; and when the switch is turned off, a circuit formed by an energy storage device L1, a C2 and a diode D in the circuit releases energy which is stored when the switch is turned on to the load, so that the load obtains continuous and stable energy. Through centralized power supply of the router, the independent power supply device can provide a stable point power supply for power supply of the router in the information-type intelligent photovoltaic system, so that the router can work within a range of rated voltage for a long period of time to improve the stability of data transmission of the router.
Description
Technical field
The present invention relates to a kind of router independent power supply device of information Intelligent photovoltaic system.
Background technology
With the worsening shortages of the non-renewable energy resources such as oil, coal, natural gas, suitable replacement energy is all being found in the whole world
Source.According to the report of USDOE, it is 4% left that solar energy, the application of wind energy equal energy source have accounted for global energy usage amount
The right side, and it is annual all soaring.At present, solar energy is regenerative resource wherein with fastest developing speed, just with annual 60% speed
It is incremented by.Therefore, how solar energy is effectively developed, becomes the focal issue of global future source of energy.
For the progressively popularization of the supporting information Intelligent light photovoltaic generating system of photovoltaic plant, original monitoring system pin
Centering large-sized photovoltaic system still receives, and since 2014, China is directed to small distributed grid-connected photovoltaic system successively
Many policy facilities are put into effect, nowadays small distributed photovoltaic generating system has come into streets and lanes, however, general information
The cost of transmission terminal is but that the investor for making those small-sized hangs back on type Intelligent photovoltaic system data receiver, and this also gives photovoltaic
The popularization of power station intelligent monitor system brings inconvenience.
At present, Switching Power Supply is widely used almost all of electronic equipment with small-sized, light weight and efficient feature, is
Current electronics and information industry develops rapidly a kind of indispensable power mode.Its performance quality is directly connected to electronic equipment
Technical indicator and can safely and reliably work.Because Switching Power Supply inside key componentses are operated in HF switch state, work(
Little, high conversion rate is consumed, and volume and weight only has 20%-the 30% of linear power supply, therefore at present it has become the master of voltage-stabilized power supply
Miscarriage product.The maintenance of electronic equipment electric fault, is essentially all first to start with from power supply, true in line with principle from easy to difficult
After fixed its power supply is normal, then the maintenance at other positions is carried out, and power failure accounts for the great majority of electronic equipment electric fault.
The content of the invention
It is an object of the invention to provide a kind of router independent power supply device of information Intelligent photovoltaic system.Can solve
In information Intelligent photovoltaic system routing sensor because caused by abnormal electrical power supply reason data transfer it is unstable, for example：Morning and evening
When due to photovoltaic module voltage it is relatively low so that router is chronically at critical voltage point, unstable working condition, or even occur
The problems such as cache miss.
A kind of router independent power supply device of information Intelligent photovoltaic system of the present invention, it is characterised in that using power half
, used as switch element, by periodicity on-off switch, the dutycycle of controlling switch element is adjusting output voltage for conductor device；Open
Close element repeatedly to switch on and off at a certain time interval, in switching elements ON, input power is by switch and filters
Circuit to load provides energy, when the switches are opened, energy storage device L1, C2 in circuit, the circuit of diode D compositions, to negative
Load is released in energy stored during switch connection, makes load obtain continuous and stable energy；By router centrally connected power supply,
The independent power supply device can provide steady point source for the power supply of router in the new intelligent monitor system of information, enable a router to
Long-term work rated voltage scope, so as to improving the stability of router transmission data.
A kind of router independent power supply device of information Intelligent photovoltaic system of the present invention, it is characterised in that described information
The router independent power supply device of type Intelligent photovoltaic system is most by main circuit, control circuit, detection circuit, accessory power supply four
Composition.
A kind of router independent power supply device of information Intelligent photovoltaic system of the present invention, it is characterised in that described main electricity
Route dash current amplitude limit：Limit the dash current of the moment input side that switches on power；Input filter：Its effect is to filter electrical network
The clutter that the clutter and obstruction the machine of presence are produced feeds back to electrical network；Rectification and filtering：It is by the direct rectification of electrical network AC power
Smoother direct current；Inversion：Direct current after rectification is changed into into high-frequency alternating current, this is the core of high frequency switch power
Point；Output rectification and filtering：According to load needs, there is provided reliable and stable dc source；Described control circuit on the one hand from
Output end is sampled, and is compared with setting value, then goes to control inverter, changes its pulsewidth or arteries and veins frequency, stablizes output；It is another
Aspect, according to the data that test circuit is provided, Jing protection circuits differentiate, there is provided control circuit carries out various protections to power supply and arranges
Apply；Described detection circuit is provided in protection circuit and is currently running middle various parameters and various instrumented datas；Described auxiliary electricity
Source realizes that the remote software of power supply starts, and is protection circuit and the work power supply of control circuit PWM chip.
Based on the present invention is to provide stable routing device independent power supply device, the middle router fortune of Intelligent photovoltaic system is solved
Row stable problem.
Description of the drawings
The router independent power supply device schematic diagram of the information Intelligent photovoltaic system of accompanying drawing 1；
The router independent power supply device circuit diagram of the information Intelligent photovoltaic system of accompanying drawing 2.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the embodiment not limited to this invented.
Embodiment 1：A kind of router independent power supply device of information Intelligent photovoltaic system, using power semiconductor
Used as switch element, by periodicity on-off switch, the dutycycle of controlling switch element is adjusting output voltage；Switch element with
Certain time interval is repeatedly switched on and off, in switching elements ON input power by switch and filter circuit to negative
Carry and energy is provided, when the switches are opened, the circuit of energy storage device L1, C2, the diode D composition in circuit is released in load
Stored energy during switch connection, makes load obtain continuous and stable energy；By router centrally connected power supply, this is independently supplied
Electric installation can provide steady point source for the power supply of router in the new intelligent monitor system of information, enable a router to long-term work
In the scope of rated voltage, so as to improving the stability of router transmission data.Described information Intelligent photovoltaic system
Router independent power supply device is made up of main circuit, control circuit, detection circuit, the major part of accessory power supply four.
Embodiment 2：A kind of router independent power supply device of information Intelligent photovoltaic system, using power semiconductor
Used as switch element, by periodicity on-off switch, the dutycycle of controlling switch element is adjusting output voltage；Switch element with
Certain time interval is repeatedly switched on and off, in switching elements ON input power by switch and filter circuit to negative
Carry and energy is provided, when the switches are opened, the circuit of energy storage device L1, C2, the diode D composition in circuit is released in load
Stored energy during switch connection, makes load obtain continuous and stable energy；By router centrally connected power supply, this is independently supplied
Electric installation can provide steady point source for the power supply of router in the new intelligent monitor system of information, enable a router to long-term work
In the scope of rated voltage, so as to improving the stability of router transmission data.Described information Intelligent photovoltaic system
Router independent power supply device is made up of main circuit, control circuit, detection circuit, the major part of accessory power supply four.Described main electricity
Route dash current amplitude limit：Limit the dash current of the moment input side that switches on power；Input filter：Its effect is to filter electrical network
The clutter that the clutter and obstruction the machine of presence are produced feeds back to electrical network；Rectification and filtering：It is by the direct rectification of electrical network AC power
Smoother direct current；Inversion：Direct current after rectification is changed into into high-frequency alternating current, this is the core of high frequency switch power
Point；Output rectification and filtering：According to load needs, there is provided reliable and stable dc source；Described control circuit on the one hand from
Output end is sampled, and is compared with setting value, then goes to control inverter, changes its pulsewidth or arteries and veins frequency, stablizes output；It is another
Aspect, according to the data that test circuit is provided, Jing protection circuits differentiate, there is provided control circuit carries out various protections to power supply and arranges
Apply；Described detection circuit is provided in protection circuit and is currently running middle various parameters and various instrumented datas；Described auxiliary electricity
Source realizes that the remote software of power supply starts, and is protection circuit and the work power supply of control circuit PWM chip.
Claims (3)
1. a kind of router independent power supply device of information Intelligent photovoltaic system, it is characterised in that adopt power semiconductor
Used as switch element, by periodicity on-off switch, the dutycycle of controlling switch element is adjusting output voltage；Switch element with
Certain time interval is repeatedly switched on and off, in switching elements ON input power by switch and filter circuit to negative
Carry and energy is provided, when the switches are opened, the circuit of energy storage device L1, C2, the diode D composition in circuit is released in load
Stored energy during switch connection, makes load obtain continuous and stable energy；By router centrally connected power supply, this is independently supplied
Electric installation can provide steady point source for the power supply of router in the new intelligent monitor system of information, enable a router to long-term work
In the scope of rated voltage, so as to improving the stability of router transmission data.
2., according to a kind of router independent power supply device of the information Intelligent photovoltaic system described in claim 1, its feature exists
In described information Intelligent photovoltaic system router independent power supply device by main circuit, control circuit, detection circuit, auxiliary
The most composition of power supply four.
3., according to a kind of router independent power supply device of the information Intelligent photovoltaic system described in claim 2, its feature exists
In described main circuit by dash current amplitude limit：Limit the dash current of the moment input side that switches on power；Input filter：Its work
Electrical network is fed back to the clutter for being the clutter and obstruction the machine generation that filter electrical network presence；Rectification and filtering：By electrical network alternating current
The direct rectification in source is smoother direct current；Inversion：Direct current after rectification is changed into into high-frequency alternating current, this is HF switch electricity
The core in source；Output rectification and filtering：According to load needs, there is provided reliable and stable dc source；Described control electricity
On the one hand road from output end sampling, is compared with setting value, then goes to control inverter, changes its pulsewidth or arteries and veins frequency, makes defeated
Go out stable；On the other hand, the data for being provided according to test circuit, Jing protection circuits differentiate, there is provided control circuit is carried out to power supply
Various safeguard measures；Described detection circuit is provided in protection circuit and is currently running middle various parameters and various instrumented datas；Institute
The accessory power supply stated realizes that the remote software of power supply starts, and is protection circuit and the work power supply of control circuit PWM chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135087.9A CN106655827A (en) | 2016-12-11 | 2016-12-11 | Independent power supply device for router of information-type intelligent photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135087.9A CN106655827A (en) | 2016-12-11 | 2016-12-11 | Independent power supply device for router of information-type intelligent photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655827A true CN106655827A (en) | 2017-05-10 |
Family
ID=58824509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611135087.9A Pending CN106655827A (en) | 2016-12-11 | 2016-12-11 | Independent power supply device for router of information-type intelligent photovoltaic system |
Country Status (1)
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| CN (1) | CN106655827A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336529A (en) * | 2006-01-30 | 2008-12-31 | 奥地利西门子公司 | Communication structure for solar inverters |
| CN201976144U (en) * | 2011-01-28 | 2011-09-14 | 鹤壁无线电四厂 | Onsite emergency communication and commanding vehicle-mounted station for handling emergency |
| CN203278657U (en) * | 2013-05-03 | 2013-11-06 | 杨淞 | Switching power supply |
| CN104135171A (en) * | 2013-05-03 | 2014-11-05 | 杨淞 | Switch power supply system |
| CN205753441U (en) * | 2016-04-07 | 2016-11-30 | 河源市源日通能源有限公司 | A kind of inverse-excitation type solar inverter based on FPGA |
-
2016
- 2016-12-11 CN CN201611135087.9A patent/CN106655827A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101336529A (en) * | 2006-01-30 | 2008-12-31 | 奥地利西门子公司 | Communication structure for solar inverters |
| CN201976144U (en) * | 2011-01-28 | 2011-09-14 | 鹤壁无线电四厂 | Onsite emergency communication and commanding vehicle-mounted station for handling emergency |
| CN203278657U (en) * | 2013-05-03 | 2013-11-06 | 杨淞 | Switching power supply |
| CN104135171A (en) * | 2013-05-03 | 2014-11-05 | 杨淞 | Switch power supply system |
| CN205753441U (en) * | 2016-04-07 | 2016-11-30 | 河源市源日通能源有限公司 | A kind of inverse-excitation type solar inverter based on FPGA |
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Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |