CN205503360U - Miniature wind power generation system - Google Patents
Miniature wind power generation system Download PDFInfo
- Publication number
- CN205503360U CN205503360U CN201620260041.9U CN201620260041U CN205503360U CN 205503360 U CN205503360 U CN 205503360U CN 201620260041 U CN201620260041 U CN 201620260041U CN 205503360 U CN205503360 U CN 205503360U
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- China
- Prior art keywords
- circuit
- generator
- power generation
- connects
- voltage
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- 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
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- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses a miniature wind power generation system, including power generation facility, constitute connection chopper circuit, voltage detection circuit and de -excitation module by wind wheel, fin and dc generator for produce the direct current ability, chopper circuit connects generator, battery and host system for regulated output voltage, chopper circuit is connected to the battery, stores as the electric energy, host system connects chopper circuit, voltage detection circuit, de -excitation module, work indicating circuit for handle detection information and send control signal, voltage detection circuit connects chopper circuit for detecting system voltage information, host system and generator are connected to the de -excitation module for the rapid elimination generator excitation, work indicating circuit connects host system for display system's operating condition. The utility model discloses carry out automatic control according to the state of dc generator's output voltage and battery and charge, have the magnetic function of going out simultaneously, play protection power generation facility's effect.
Description
Technical field:
This utility model relates to a kind of electricity generation system, especially relates to a kind of wind-power electricity generation automatic control system.
Background technology:
Wind-power electricity generation, as one of clean type generation mode, receives extensively attention, and particularly small wind is sent out
Electric installation, is widely used in mountain area, grassland, desert and open air life etc..Small wind-driven generator at present
There is certain deficiency: the wind speed of (1) instability causes output voltage to fluctuate, i.e. the charged electrical of accumulator
Pressure fluctuation, can have a strong impact on the life-span of accumulator；(2) when wind speed is excessive for suppressing generator output voltage,
It is generally required to use Artificial Control wind wheel to reduce electromotor towards with deviation wind direction or use hand-operated breaking mechanism
Rotating speed.
Utility model content:
For solving the deficiency that above-mentioned wind power generation plant exists, the purpose of this utility model is to provide a kind of little
Type wind generator system.Charged electrical can be automatically adjusted according to the state of the output voltage of electromotor and accumulator
Pressure, can cross ambassador at wind speed limits generator output voltage simultaneously.
For achieving the above object, this utility model have employed techniques below scheme:
A kind of miniature wind power generation system, including wind wheel, electromotor, empennage, chopper circuit, accumulator,
Main control module, voltage detecting circuit, demagnetization module, working indicating.
Described wind wheel, coaxially connected DC generator, it is supplied to electromotor for wind energy is converted to mechanical energy；
Described electromotor, coaxially connected with wind wheel and empennage, respectively with charging circuit, voltage detecting circuit and
Demagnetization modular electrical connects, and is used for producing electric energy；
Described empennage, coaxially connected electromotor, it is used for adjusting wind wheel towards with just to wind direction；
Described chopper circuit, connects DC generator, accumulator and main control module, is used for regulating output voltage；
Described accumulator, connects chopper circuit, as direct current energy storage facilities；
Described main control module, connects chopper circuit, voltage detecting circuit, demagnetization module, working indicating,
For processing detection information and by PWM modulation technology, the output voltage of chopper circuit being controlled；
Described voltage detecting circuit, connects input and the outfan of chopper circuit, is used for detecting electromotor defeated
Go out voltage and accumulator input voltage；
Described demagnetization module, connects main control module and DC generator, and excessive for fault or wind-force is fast
Speed eliminates generator excitation；
Described working indicating, connects main control module, for showing the work shape of TRT and accumulator
State.
Further improving as this utility model, described electromotor uses direct current shunt dynamo, armature
Winding uses external mode with the electrical connection of Exciting Windings for Transverse Differential Protection, is concurrently accessed demagnetization control circuit；
Further improving as this utility model, the power device of described chopper circuit uses electric power
MOSFET manages, and concrete model selects IRF3205S；Use photoelectrical coupler PC817A as isolation simultaneously
With driving element；
Further improving for this utility model, the microprocessor of described main control module uses single-chip microcomputer
ATmega48 chip, has a SAR ADC of 6 10 precision in tunnel, built-in sampling and holding circuit,
Internal reference reference voltage is 1.1V；
Further improving for this utility model, described voltage detecting circuit uses the mode pair of electric resistance partial pressure
DC voltage is acquired, and uses mode in parallel for RC to nurse one's health measured signal.
Further improving for this utility model, described working indicating uses a monochromatic LED instruction system
Voltage and a dual-colored LED instruction battery condition.Wherein the green normal bright expression system voltage of monochromatic LED is just
Often, quick flashing represents system overpressure；The green normal bright expression storage battery of three-color LED is pressed in normal range, green
Slow flash represents that accumulator has been filled with, and orange-yellow (double-colored the brightest) represents storage battery under-voltage, red expression electric power storage
Cell voltage was down to the state of putting.
This utility model uses technique scheme, has the advantages that:
(1) a kind of miniature wind power generation system of the present utility model, uses PWM to control technical controlling copped wave electricity
The output voltage on road, controls pulse by the output voltage of detection electromotor and the state modulation (PWM) of accumulator
To control the output voltage of chopper circuit, it is achieved be automatically adjusted charging voltage；
(2) a kind of miniature wind power generation system of the present utility model, uses demagnetization circuit of generator, in detection
To generator output voltage exceed limit value time decrease fast electromotor excitation field, to reduce electromotor
Output voltage.
Accompanying drawing illustrates:
Fig. 1 is a kind of miniature wind power generation system overall construction drawing of the present utility model；
Fig. 2 is control circuit of chopping figure of the present utility model；
Fig. 3 is demagnetization circuit schematic diagram of the present utility model.
Detailed description of the invention:
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with detailed description of the invention, this utility model is expanded on further.
According to one embodiment of this utility model, as shown in Figure 1, it is provided that a kind of miniature wind power generation system,
Including:
Described wind wheel, coaxially connected DC generator, it is supplied to electromotor for wind energy is converted to mechanical energy；
Described electromotor, coaxially connected with wind wheel and empennage, respectively with charging circuit, voltage detecting circuit and
Demagnetization modular electrical connects, and is used for producing electric energy；
Described empennage, coaxially connected electromotor, it is used for adjusting wind wheel towards with just to wind direction；
Described chopper circuit, connects DC generator, accumulator and main control module, is used for regulating output voltage；
Described accumulator, connects chopper circuit, as direct current energy storage facilities；
Described main control module, connects chopper circuit, voltage detecting circuit, demagnetization module, working indicating,
For processing detection information and by PWM modulation technology, the output voltage of chopper circuit being controlled；
Described voltage detecting circuit, connects input and the outfan of chopper circuit, is used for detecting electromotor defeated
Go out voltage and accumulator input voltage；
Described demagnetization module, connects main control module and DC generator, and excessive for fault or wind-force is fast
Speed eliminates generator excitation；
Described working indicating, connects main control module, for showing the work shape of TRT and accumulator
State.
For more detailed description this utility model embodiment detailed description of the invention, respectively to control circuit of chopping
It is described in detail with demagnetization circuit:
Fig. 2 is control circuit of chopping of the present utility model, when detecting that generator output voltage is higher than accumulator
During voltage, single-chip microcomputer is according to the PWM waveform implementing Parameter Modulation different duty of detection and by I/O mouth
PB1 exports, and by the break-make of optocoupler PC817A driving electric MOSFET pipe IRF3205S, thus regulation is cut
The output voltage average value of wave circuit.When generator output voltage is less than battery tension, control IRF3205S
It is always maintained at turning off, prevents accumulator from promoting generator operation at motoring condition to generator powered.It is worth saying
Bright is, and to arrange PB1 be that low level output is effective, and i.e. when pwm pulse is low level, optocoupler PC817A leads
Logical, the grid of Power MOSFET obtains high level (dividing potential drop of connecting of R6 with R7) and turns on, and is otherwise
Low level and by.Diode D4 prevents battery tension from occurring power reverse when being higher than generator output voltage.
Inductance L2 and electric capacity C4 carries out electric current and voltage filter respectively, improves direct current energy quality.
Fig. 3 is demagnetization circuit of the present utility model, and when working properly, single-chip microcomputer PB2 mouth and PB3 mouth are all
Export high level always, then optocoupler J2 and J3 all by, then the coil of relay K M1 and KM2 all must not
Electricity and be in the normal state, then KM1 normally closed interlock is in closure state and the normally open contact of KM2 is in disconnection shape
State, electromotor is in normal excitation, and when this kind of control mode makes electromotor normally work, relay is in often
State is to reduce energy consumption.When needs demagnetization, single-chip microcomputer PB3 mouth is used first to export high level and defeated after PB3 mouth
Go out high level and successively obtain electric by the coil of optocoupler control relay K M2 and KM1 respectively, i.e. first return in excitation
Road cuts off field power supply after being incorporated to field-discharge resistance.It is because directly cutting off energized circuit in this way if adopted,
Then understand flux change according to electromagnetic induction principle and cross conference generation overvoltage, the then method using parallel resistance
Consuming exciting current, make the decay of magnetic flux have a process, the time constant of decay depends on parallel resistance
Resistance.
Schematically being described this utility model and embodiment thereof above, this description does not has restricted,
Shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.
So, if those of ordinary skill in the art is enlightened by it, creating objective without departing from this utility model
In the case of, design the frame mode similar to this technical scheme and embodiment without creative, all should belong to
In protection domain of the present utility model.
Claims (5)
1. a miniature wind power generation system, it is characterised in that include wind wheel, coaxially connected DC generator,
It is supplied to electromotor for wind energy is converted to mechanical energy；Electromotor, coaxially connected with wind wheel and empennage, point
It is not connected with charging circuit, voltage detecting circuit and demagnetization modular electrical, is used for producing electric energy；Empennage, with
Axle connects electromotor, is used for adjusting wind wheel towards with just to wind direction；Chopper circuit, connection DC generator,
Accumulator and main control module, be used for regulating output voltage；Accumulator, connects chopper circuit, as unidirectional current
Can storage facilities；Main control module, connects chopper circuit, voltage detecting circuit, demagnetization module, work instruction
Circuit, for processing detection information and being controlled the output voltage of chopper circuit by PWM modulation technology
System；Voltage detecting circuit, connects input and the outfan of chopper circuit, is used for detecting electromotor output electricity
Pressure and accumulator input voltage；Demagnetization module, connects main control module and DC generator, for fault or
Wind-force is excessive is to eliminate rapidly generator excitation；Working indicating, connects main control module, is used for showing dress
The duty put.
A kind of miniature wind power generation system the most according to claim 1, it is characterised in that described electromotor
Direct current shunt dynamo, armature winding is used to use external mode with the electrical connection of Exciting Windings for Transverse Differential Protection.
A kind of miniature wind power generation system the most according to claim 1, it is characterised in that described master control mould
The microprocessor of block uses single chip computer AT mega48 chip.
A kind of miniature wind power generation system the most according to claim 1, it is characterised in that described copped wave electricity
The power device on road uses power MOSFET pipe, and concrete model selects IRF3205S；Use light thermocouple simultaneously
Clutch PC817A is as isolation and drives element.
A kind of miniature wind power generation system the most according to claim 1, it is characterised in that described work refers to
Show that circuit uses a monochromatic LED instruction system voltage and a dual-colored LED instruction battery condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260041.9U CN205503360U (en) | 2016-03-29 | 2016-03-29 | Miniature wind power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260041.9U CN205503360U (en) | 2016-03-29 | 2016-03-29 | Miniature wind power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503360U true CN205503360U (en) | 2016-08-24 |
Family
ID=56734673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620260041.9U Expired - Fee Related CN205503360U (en) | 2016-03-29 | 2016-03-29 | Miniature wind power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332074A (en) * | 2019-07-02 | 2019-10-15 | 张梁 | A kind of wind-driven power generation control system and control method |
-
2016
- 2016-03-29 CN CN201620260041.9U patent/CN205503360U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332074A (en) * | 2019-07-02 | 2019-10-15 | 张梁 | A kind of wind-driven power generation control system and control method |
| CN110332074B (en) * | 2019-07-02 | 2022-08-16 | 张梁 | Wind power generation control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170329 |