CN106160652A - A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer - Google Patents
A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer Download PDFInfo
- Publication number
- CN106160652A CN106160652A CN201610712642.3A CN201610712642A CN106160652A CN 106160652 A CN106160652 A CN 106160652A CN 201610712642 A CN201610712642 A CN 201610712642A CN 106160652 A CN106160652 A CN 106160652A
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- China
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- solar energy
- afmega16l
- accumulator
- direct current
- controller
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- 238000005070 sampling Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer; comprise preposition protection circuit, filtering accumulator, solar panel, light cell current-voltage sampling circuit, AVR single chip controller, power adjustment pipe, accumulator, battery current voltage sampling circuit, LCDs, rearmounted protection circuit and load blocks; one solar energy photovoltaic direct current controller of the present invention has the features such as cost performance height, efficiency height, reliability height, good stability, it is achieved that the control of multiple duty and storage battery energy management.
Description
Technical field
The invention belongs to field of intelligent monitoring, particularly relate to a kind of photovoltaic based on AFMEGA16L single-chip microcomputer straight
Stream controller.
Background technology
World today's energy shortage and problem of environmental pollution are day by day serious, and these problems force people to find and use new
The replacement energy.Along with electronic technology, the raising of solar panel production technology so that the utilization of solar energy is more and more general
Time.Solar energy has the advantages that to limit without region, and China much places are still within power shortage state, and particularly some are outlyingly
District, tourist attraction, owing to disperseing very much, rely on electrical network to power that difficulty is big, cost is high, thus selects solar powered very must
Want, and in solar power system, controller is one of the most crucial parts.
Some controller for solar put forward high efficiency means and are only confined in the research of single one physical quantity algorithm the most on the market
(such as only to voltage, the tracking of electric current), the raising of efficiency is the most limited.We investigate through repeatedly actual and measure, and send out
The product that existing generating efficiency is higher is the most expensive, and bad adaptability, is the most all used for stationary applica-tions, as large-sized solar is sent out
Power station etc.;Some controllers at a low price are in order to reduce cost, and internal protection measure is simple and crude, and operation interface the most all uses number
Pipe, LED etc., user operation and setting bother the most very much.
Summary of the invention
It is a kind of mono-based on AFMEGA16L that the technical problem to be solved is that the deficiency for background technology provides
The solar energy photovoltaic direct current controller of sheet machine.
The present invention solves above-mentioned technical problem by the following technical solutions:
A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer, comprises preposition protection circuit, filtering energy storage electricity
Road, solar panel, light cell current-voltage sampling circuit, AVR single chip controller, power adjust pipe, accumulator, electric power storage
Pond current-voltage sampling circuit, LCDs, rearmounted protection circuit and load blocks, the outfan of described solar panel
Connect the defeated of preposition protection circuit, filtering accumulator, light cell current-voltage sampling circuit, accumulator and load blocks respectively
Entering end, the outfan of described preposition protection circuit connects filtering accumulator, light cell current-voltage sampling circuit, power respectively
Adjusting the input of pipe, described power is adjusted the outfan of pipe and is connected the input of load blocks, institute by rearmounted protection circuit
The outfan stating light cell current-voltage sampling circuit connects the input of AVR single chip controller, the output of described accumulator
Hold the input being connected AVR single chip controller by battery current voltage sampling circuit, described AVR single chip controller
Outfan connects power respectively and adjusts the input of pipe and LCDs.
Further preferred side as a kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer of the present invention
Case, the chip model of described AVR single chip controller is AFMEGA16L.
Further preferred side as a kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer of the present invention
Case, described LCDs uses model to be the LCD display of 12864.
Further preferred side as a kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer of the present invention
Case, described power adjusts pipe and uses 80A driving force cmos fet pipe.
The present invention uses above technical scheme compared with prior art, has following technical effect that
1, one solar energy photovoltaic direct current controller of the present invention has the spies such as cost performance height, efficiency height, reliability height, good stability
Point, it is achieved that the control of multiple duty and storage battery energy management；
2, the present invention achieves the high precision collecting of data by Hall current acquisition module and voltage module, has anti-dry
Immunity and the good feature of isolation；
3, the present invention is by preposition protection circuit, is effectively prevented high input voltage, and prevents user's reversal connection circuit；By filtering
Accumulator achieves and adjusts luminous energy storage when pipe turns off at power；
4, the present invention is achieved by battery current voltage collection circuit, rearmounted protection circuit and prevents load short circuits or storage
The phenomenon that cell voltage is too low；
5, the present invention uses liquid crystal display 12864 intuitively to show the electric current of this solar energy photovoltaic direct current controller, voltage, power
Show that convenient operation reduces misoperation fault and occurs.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in further detail:
The detailed description of the invention of the present invention is as follows:
As it is shown in figure 1, a kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer, comprise preposition protection circuit,
Filtering accumulator, solar panel, light cell current-voltage sampling circuit, AVR single chip controller, power adjust pipe,
Accumulator, battery current voltage sampling circuit, LCDs, rearmounted protection circuit and load blocks, described solar-electricity
The outfan of pond plate connect respectively preposition protection circuit, filtering accumulator, light cell current-voltage sampling circuit, accumulator and
The input of load blocks, the outfan of described preposition protection circuit connects filtering accumulator, light cell current/voltage respectively
Sample circuit, power adjust the input of pipe, and described power adjusts the outfan of pipe and connects load mould by rearmounted protection circuit
The input of block, the outfan of described light cell current-voltage sampling circuit connects the input of AVR single chip controller, described
The outfan of accumulator connects the input of AVR single chip controller by battery current voltage sampling circuit, and described AVR is mono-
The outfan of sheet machine controller connects power respectively and adjusts the input of pipe and LCDs.
Wherein, preposition protection circuit: mainly include anti-high input voltage circuit, anti-user's personnel's wiring reversal connection circuit, band certainly
The overcurrent device recovered.
Filtering accumulator: mainly overcome PWM in the off case, the waste of luminous energy output.
Light cell current-voltage sampling circuit: electric current uses Hall current chip, its precision and isolation are all
More much higher than discrete component.Voltage uses electric resistance partial pressure principle, and when AD gathers, actual discovery, with interference, was used later
Software mean filter overcomes hardware drawback, has saved hardware cost.
Liquid crystal display: the model selecting LCD is 12864, can show Chinese.
Power adjusts pipe: use 80A driving force cmos fet pipe.
AVR single chip controller: the AVR single chip of use is in recent years at the widely used chip in MCU market, it
High speed, some hardware devices of carrying of low-power consumption, inside, embody its superiority.
Rearmounted protection circuit: rearmounted protection circuit is mainly used to load over-current, and battery overdischarge carries out one
Individual detection, i.e. protection accumulator does not allow its overdischarge.Need to disconnect to the current supply circuit of load, separately when its brownout when
Outer accumulator needs once to activate for a long time, just can accomplish with Singlechip clock timing, work as load short circuits, can pass through monolithic
Machine goes detection, protects accumulator.
Wherein, the chip model of described AVR single chip controller is AFMEGA16L, and described LCDs uses model
Being the LCD display of 12864, described power adjusts pipe and uses 80A driving force cmos fet pipe.
The AVR series A FMEGA16L single-chip microcomputer that the present invention a kind of solar energy photovoltaic direct current controller is researched and developed with atmel corp
As controller, apply the most generally accreditation, more maturation " voltage disturbance method " technology, use and there is high efficiency maximum
Power tracking point algorithm (MPPT), by sensor acquisition solar energy power generating plate output voltage and output electric current, passes through
After 10 A/D conversions, calculate current power, and compare with a front power, find changed power, regulate control in real time
PWM duty cycle, changes the impedance of the connect load of solar photovoltaic cell panel so that cell panel output impedance and load impedance phase
Deng, reach impedance matching, it is achieved peak power output.Native system has microprocessor controller pulsewidth modulation (PWM) charging, temperature
The charging of sensor compensation battery, band self-recoverage overload protection (are such as short-circuited, and the overcurrent that manual operation causes, system
Can automatically shut power off output, liquid crystal tip exists " overcurrent fault please check!" pending fault is got rid of can be properly functioning, do not damage
Circuit devcie), overcharge protection, short-circuit protection (band self-recoverage), the protection of lightning protected, back discharge, protection to error-polarity connection (band from
Recover), under-voltage protection (run into overcast and rainy, in the case of sunray deficiency, when system detects solaode output voltage
After too low, charge circuit can be disconnected, and on liquid crystal, point out that " light cell output is too low!”).Native system intarconnected cotrol manager
Just, can arbitrarily set the loaded work piece time by button, add USB interface, use the liquid with Chinese display duty
Crystal display screen, easy and simple to handle, simple and clear.
In sum, one solar energy photovoltaic direct current controller of the present invention have that cost performance is high, efficiency high, reliability is high,
The features such as good stability, it is achieved that the control of multiple duty and storage battery energy management；The present invention is adopted by Hall current
Collection module and voltage module achieve the high precision collecting of data, have anti-interference and the good feature of isolation；This
Bright by preposition protection circuit, it is effectively prevented high input voltage, and prevents user's reversal connection circuit；Real by filtering accumulator
Show and adjusted luminous energy storage when pipe turns off at power；The present invention is by battery current voltage collection circuit, rearmounted protection electricity
Road achieves and prevents load short circuits or the too low phenomenon of battery tension；The present invention uses liquid crystal display 12864 to this
The electric current of solar energy photovoltaic direct current controller, voltage, power intuitively show, convenient operation, reduce misoperation fault and occur.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (4)
1. a solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer, it is characterised in that: comprise preposition protection electricity
Road, filtering accumulator, solar panel, light cell current-voltage sampling circuit, AVR single chip controller, power adjust
Pipe, accumulator, battery current voltage sampling circuit, LCDs, rearmounted protection circuit and load blocks, described solar energy
The outfan of cell panel connects preposition protection circuit, filtering accumulator, light cell current-voltage sampling circuit, accumulator respectively
With the input of load blocks, the outfan of described preposition protection circuit connects filtering accumulator, light cell electric current electricity respectively
Pressure sample circuit, power adjust the input of pipe, and described power adjusts the outfan of pipe and connects load by rearmounted protection circuit
The input of module, the outfan of described light cell current-voltage sampling circuit connects the input of AVR single chip controller, institute
The outfan stating accumulator connects the input of AVR single chip controller, described AVR by battery current voltage sampling circuit
The outfan of singlechip controller connects power respectively and adjusts the input of pipe and LCDs.
A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer the most according to claim 1, its feature
It is: the chip model of described AVR single chip controller is AFMEGA16L.
A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer the most according to claim 1, its feature
It is: described LCDs uses model to be the LCD display of 12864.
A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer the most according to claim 1, its feature
It is: described power adjusts pipe and uses 80A driving force cmos fet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712642.3A CN106160652A (en) | 2016-08-23 | 2016-08-23 | A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712642.3A CN106160652A (en) | 2016-08-23 | 2016-08-23 | A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer |
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| Publication Number | Publication Date |
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| CN106160652A true CN106160652A (en) | 2016-11-23 |
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| CN201610712642.3A Pending CN106160652A (en) | 2016-08-23 | 2016-08-23 | A kind of solar energy photovoltaic direct current controller based on AFMEGA16L single-chip microcomputer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891515A (en) * | 2018-07-25 | 2018-11-27 | 华北电力大学 | A kind of photovoltaic bicycle lamp |
| CN114167873A (en) * | 2021-12-09 | 2022-03-11 | 展讯通信(天津)有限公司 | Labyrinth tracking robot and energy consumption adjusting method |
-
2016
- 2016-08-23 CN CN201610712642.3A patent/CN106160652A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891515A (en) * | 2018-07-25 | 2018-11-27 | 华北电力大学 | A kind of photovoltaic bicycle lamp |
| CN114167873A (en) * | 2021-12-09 | 2022-03-11 | 展讯通信(天津)有限公司 | Labyrinth tracking robot and energy consumption adjusting method |
| CN114167873B (en) * | 2021-12-09 | 2024-03-01 | 展讯通信(天津)有限公司 | Maze tracking robot and energy consumption adjusting method |
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Application publication date: 20161123 |