CN107800374A - A kind of automatic dust removing method and system of solar recharging stake - Google Patents
A kind of automatic dust removing method and system of solar recharging stake Download PDFInfo
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- CN107800374A CN107800374A CN201711207386.3A CN201711207386A CN107800374A CN 107800374 A CN107800374 A CN 107800374A CN 201711207386 A CN201711207386 A CN 201711207386A CN 107800374 A CN107800374 A CN 107800374A
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- 239000000428 dust Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 11
- 238000013139 quantization Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 4
- 238000002604 ultrasonography Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 7
- 230000000739 chaotic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
- H02S40/10—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
- B08B7/026—Using sound waves
- B08B7/028—Using ultrasounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of automatic dust removing method of solar recharging stake, including step, charging, acquisition environment value, generation high-order random signal, transmitting ultrasound involve dedusting, and also include system module corresponding with the method for the present invention.The control method of the present invention, using the Stochastic Disturbance Features of Stochastic Chaos signal, random supersonic frequency is produced, it is undesirable to solve the problems, such as that prior art runs into dust removing effects in dust removal process, the present invention can preferably control ultrasonic frequency, reach more preferably dust removing effects.And digitizing solution is used, New High Order Stochastic Chaos signal is produced, compared with prior art, there is the advantages of parameter configuration is flexible, reliable and stable.
Description
Technical field
The present invention relates to charging electric vehicle technical field, more particularly to a kind of automatic dust removing side of solar recharging stake
Method and system.
Background technology
Electric automobile has the characteristics of zero-emission, pollution-free, environmentally friendly, and for reducing urban atmospheric pollution with aobvious
The effect of work, and be considered as a kind of mode most promising in generation of electricity by new energy using the photovoltaic generation of solar energy, because
This solar electrically propelled vehicle charging pile field is developed rapidly.But solar panel exposure is in atmosphere, just has dirt
Soil falls onboard, and this will cause solar conversion efficiency to substantially reduce, so being essential work using supersonic dust removal
Make.Technology is still led in many problems, such as the working frequency instability problem and noise signal interference problem of supersonic dust removal at present
The effect of cause dedusting is undesirable, and solar energy generating efficiency and service life will have been had a strong impact on by accumulating over a long period.
The content of the invention
For defect present in prior art or deficiency, the technical problems to be solved by the invention are：There is provided one kind too
The automatic dust removing method and system of positive energy charging pile, solve the working frequency instability problem of supersonic dust removal in the prior art
Cause the undesirable technical problem of the effect of dedusting with noise signal interference problem.
To achieve these goals, the technical scheme that the present invention takes is removed to provide a kind of the automatic of solar recharging stake
Dust collecting method and system, it is mainly used in the dust removal field of solar panel, including step：
S01. in the electricity abundance of photovoltaic array, electric energy caused by photovoltaic array module passes sequentially through the first filtered electrical
Road, three end converters, three end converters will be that battery module and electric automobile fill respectively under the control of FPGA module
Electricity；Wherein, one second filter circuit is also associated between three end converters and electric automobile；
In the not enough power supply of photovoltaic array, battery is charging electric vehicle by three end converter；
S02. the FPGA control modules judge current time, and current time is stored, when current time is white
It when, worked without dedusting；When current time is evening, directly carry out in next step；
S03.FPGA control modules judge to produce high-order Stochastic Chaos signal according to current time, wind speed；
S04.FPGA control modules control the frequency of ultrasonic transmitter transmitting ultrasonic wave by high-order Stochastic Chaos signal
F (x), and constraints is set to it：
20KHz≤f(x)≤40KHZ
Therefore, the expression formula of the tranmitting frequency of ultrasonic transmitter is：
F (x)=20000+20000Xn+1 (4-1)
S05. ultrasonic wave transmitting probe is according to caused by the ultrasonic signal and PFGA that supersonic generator is sent
High-order Stochastic Chaos data signal, according to working frequency f (x), launch ultrasonic wave, and utilize high-order Stochastic Chaos signal and ring
Border natural wind is to photovoltaic array module dedusting.
As a further improvement on the present invention, step S03 also includes step：
S031. the small size iterative algorithm of high-order Stochastic Chaos is built：
Wherein, xn∈ (- 1,1) is iteration variable, and rand (n) is digital random signal generating functon；
S032. to real number value x caused by iterative algorithmnTake absolute value, take initial value x0Any one between ∈ (0,1)
Numerical value, then it is iterated by iterative formula 3-1, iterations N, N span are (0~80000)；
S033. it is (2~128) to choose quantization series L, L span；
S034. integer quantisation is carried out to quantifying series L, New High Order Stochastic Chaos data signal is obtained after quantization：
X0=[232x0] (3-3)
Wherein, Xn∈ (0,1), [] represents to round variable in formula (3-3).
As a further improvement on the present invention, step S03 also includes step：S331. use the quantization series L of 32 for
Integer quantisation method, obtain 32 bit Xn, obtained subsequently into 64 bit multipliersWherein,Bit wide be 64；
S332. askComplement code, and obtain：
Its bit wide is 64, then with step S331'sInto 128 bit multipliers, obtain：
Its bit wide is 128；
S333. by step S331'sOne is moved to left to obtain：
Its bit wide is 65, Ran HouqiuComplement code, into 65 bit multipliers and obtain：
Its bit wide is 65, enters back into 130 bit multipliers and obtains：
Its bit wide is 130；
S334. step S332With step S333'sInto 258 bits multiplications
After device, obtain：
And its bit wide is 258；
S335. by step S333'sOne is moved to left to obtain：
Its bit wide is 131, then asks its complement code to be obtained into 131 bit multipliers：
Its bit wide is 131；
S336. step S335 result is obtained by 262 bit multipliers：
Its bit wide is 262；
S337. step S334 and step S336 result are entered into 520 bit multipliers, obtained：
Its bit wide is 520；
S338. step S336 result is moved to left into one to obtain：
Its bit wide is 263, and then supplement code obtains into 263 bit multipliers：
Its bit wide is 263；
S339. the result obtained in step S338 into multiplier is passed through into 526 bit multipliers again, obtained：
Its bit wide is 526；
S3310. the result again obtained the obtained results of step S339 and step S337 enters 1046 bit multipliers,
Obtain：
Its bit wide is 1046；
S3311. step S3310 result is moved to left 9, and takes complement code to obtain：
Its bit wide is 1055；
S3312. the absolute value of step S3311 results and output are taken.
A kind of automatic dust removing system of solar recharging stake, including control module, supersonic generator, ultrasonic wave occur
Probe, photovoltaic array module and charging module；The control module：For controlling the ultrasonic wave of supersonic generator to work frequently
Rate, the ultrasonic wave transmitting probe：For launching ultrasonic wave to photovoltaic array module dedusting, wherein the control module includes
FPGA module.
As a further improvement on the present invention, the charging module includes the first filter circuit, the second filter circuit, three
Hold converter, battery module and human-machine exchange module；The photovoltaic array module is connected with the first filter circuit, described
First filter circuit is connected with three end converter；When the electricity abundance of photovoltaic array module, the FPGA module control
Three end converter, one end are connected with battery module, and the other end is connected by filter circuit with human-machine exchange module；When
During the not enough power supply of photovoltaic array module, the battery module is charging electric vehicle.
As a further improvement on the present invention, first filter circuit includes inductance L1, inductance L2 and polarized electric capacity
C1, one end of the inductance L1 are connected with the photovoltaic array module, and the other end is connected with three end converter；The electricity
Sense L2 one end is connected with one end of the inductance L1, and the other end of the inductance L2 is connected with the inductance L1；It is described to have pole
Property electric capacity C1 anode and negative electrode is connected with the other end of the inductance L1 and the inductance L2 other end respectively.
As a further improvement on the present invention, second filter circuit includes inductance L3, inductance L4 and polarized electric capacity
C2；The inductance L3 and the inductance L4 one end are all connected with three end converter, the inductance L3 and the inductance L4
The other end be connected respectively with the human-machine exchange module；The negative electrode and anode of the polarized electric capacity C2 respectively with the electricity
Feel L4 one end and one end of the inductance L3 to be connected.
As a further improvement on the present invention, the inductance L1, inductance L2, inductance L3 and inductance L4 material are soft magnetism
Body.
As a further improvement on the present invention, the human-machine exchange module includes inverter, LCDs, printer
And keyboard.
The beneficial effects of the invention are as follows：The present invention produces New High Order Stochastic Chaos data signal, profit using FPGA module
With control of the New High Order Stochastic Chaos data signal to ultrasonic wave, the power of stable ultrasonic wave, suppress noise jamming, improve
The generating efficiency and service life of solar cell；Solving prior art, that dust removing effects are run into dust removal process is undesirable
The problem of, the present invention can preferably control ultrasonic frequency, reach more preferably dust removing effects.Using digitizing solution, produce
New High Order Stochastic Chaos signal, compared with prior art, there is the advantages of parameter configuration is flexible, reliable and stable.
Brief description of the drawings
Fig. 1 is dedusting implementing procedure figure provided by the invention；
Fig. 2 is overall structure block diagram provided by the invention；
Fig. 3 is the product process figure of New High Order random signal provided by the invention；
Fig. 4 is the distribution map of New High Order random signal provided by the invention.
Embodiment
The present invention is further described for explanation and embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, the present invention provides a kind of automatic dust removing system of solar recharging stake, is produced using FPGA module
Raw New High Order Stochastic Chaos data signal is stable super using control of the New High Order Stochastic Chaos data signal to ultrasonic wave
The power of sound wave, suppress noise jamming, improve the generating efficiency and service life of solar cell, be mainly used in electronic vapour
Car charging field, is specifically for use on electric automobile charging pile, and dedusting is carried out to Photovoltaic array module；Specifically such as Fig. 1,3 institutes
Show, this method includes step：
Including step：
S01. in the electricity abundance of photovoltaic array, electric energy caused by photovoltaic array module passes sequentially through the first filtered electrical
Road, three end converters, three end converters will be that battery module and electric automobile fill respectively under the control of FPGA module
Electricity；Wherein, one second filter circuit is also associated between three end converters and electric automobile；
In the not enough power supply of photovoltaic array, battery is charging electric vehicle by three end converter；
S02. the FPGA control modules judge current time, and current time is stored, when current time is white
It when, worked without dedusting；When current time is evening, directly carry out in next step；
S03.FPGA control modules judge to produce high-order Stochastic Chaos signal according to current time, wind speed；
S04.FPGA control modules control the frequency of ultrasonic transmitter transmitting ultrasonic wave by high-order Stochastic Chaos signal
F (x), and constraints is set to it：
20KHz≤f(x)≤40KHZ
Therefore, the expression formula of the tranmitting frequency of ultrasonic transmitter is：
F (x)=20000+20000Xn+1 (4-1)
S05. ultrasonic wave transmitting probe is according to caused by the ultrasonic signal and PFGA that supersonic generator is sent
High-order Stochastic Chaos data signal, according to working frequency f (x), launch ultrasonic wave, and utilize high-order Stochastic Chaos signal and ring
Border natural wind is to photovoltaic array module dedusting.
Specifically, step S033 detailed step is as described below：
S331. the quantization series L of 32 is used to obtain 32 bit X for integer quantisation methodn, subsequently into 64 bits multiplications
Device obtainsWherein,Bit wide be 64；
S332. askComplement code, and obtain：
Its bit wide is 64, then with step S331'sInto 128 bit multipliers, obtain：
Its bit wide is 128；
S333. by step S331'sOne is moved to left to obtain：
Its bit wide is 65, Ran HouqiuComplement code, into 65 bit multipliers and obtain：
Its bit wide is 65, enters back into 130 bit multipliers and obtains：
Its bit wide is 130；
S334. step S332With step S333'sInto 258 bits multiplications
After device, obtain：
And its bit wide is 258；
S335. by step S333'sOne is moved to left to obtain：
Its bit wide is 131, then asks its complement code to be obtained into 131 bit multipliers：
Its bit wide is 131；
S336. step S335 result is obtained by 262 bit multipliers：
Its bit wide is 262；
S337. step S334 and step S336 result are entered into 520 bit multipliers, obtained：
Its bit wide is 520；
S338. step S336 result is moved to left into one to obtain：
Its bit wide is 263, and then supplement code obtains into 263 bit multipliers：
Its bit wide is 263；
S339. the result obtained in step S338 into multiplier is passed through into 526 bit multipliers again, obtained：
Its bit wide is 526；
S3310. the result again obtained the obtained results of step S339 and step S337 enters 1046 bit multipliers,
Obtain：
Its bit wide is 1046；
S3311. step S3310 result is moved to left 9, and takes complement code to obtain：
Its bit wide is 1055；
S3312. the absolute value of step S3311 results and output are taken.
Chaotic signal phasor caused by one embodiment of the invention, as shown in Figure 4, it is seen that, its Stochastic Chaos signal is limited
System chaotic signal bounded but has Stochastic Chaos characteristic between 0-1.0.This stochastic behaviour, is spontaneously resulted from system
Portion, there are entirely different source and mechanism with outer randomness, exactly this unstable interior randomness feature, produced control
Signal control ultrasonic probe has wide vibrations frequency band, and more preferable scavenging action is played to the attachment of various sizes.
As shown in Fig. 2 a kind of automatic dust removing system of solar recharging stake, including control module, supersonic generator,
Probe, photovoltaic array module and charging module occur for ultrasonic wave；The control module：For controlling the super of supersonic generator
Sound wave working frequency, the ultrasonic wave transmitting probe：For launching ultrasonic wave to photovoltaic array module dedusting, wherein the control
Molding block includes FPGA control modules.
Specifically, the charging module includes the first filter circuit, the second filter circuit, three end converters, battery mould
Block and human-machine exchange module；The photovoltaic array module is connected with the first filter circuit, first filter circuit with it is described
Three end converters are connected；When the electricity abundance of photovoltaic array module, FPGA module control three end converter, one
End is connected with battery module, and the other end is connected by filter circuit with human-machine exchange module；When the electricity of photovoltaic array module
When insufficient, the battery module is charging electric vehicle.
Wherein, control module includes FPGA module, and inductance L1, inductance L2 and polarized electric capacity C1 form the first filtered electrical
Road, inductance L3, inductance L4 and polarized electric capacity C2 also form the second filter circuit, as caused by FPGA module New High Order with
The working frequency of the ultrasonic wave of machine chaos digital signal control supersonic generator, and launched with ultrasonic wave by ultrasonic wave and visited
Head carries out dedusting to the solar panel in photovoltaic array module.Photovoltaic array module passes through the first filter circuit and three ends
Converter provides electric energy to human-machine exchange module and battery module, and three end converters are under the control of FPGA module, one end
Charge/discharge operation is carried out to battery module, the other end is connected with human-machine exchange module by the second filter circuit, realized to electricity
Electrical automobile charges.
First filter circuit includes inductance L1, inductance L2 and polarized electric capacity C1, one end of the inductance L1 and institute
State photovoltaic array module to be connected, the other end is connected with three end converter；One end of the inductance L2 is with the inductance L1's
One end is connected, and the other end of the inductance L2 is connected with the inductance L1；Anode and the negative electrode difference of the polarized electric capacity C1
It is connected with the other end of the inductance L1 and the inductance L2 other end.
Second filter circuit includes inductance L3, inductance L4 and polarized electric capacity C2；The inductance L3 and the inductance
L4 one end is all connected with three end converter, the inductance L3 and the inductance L4 other end respectively with it is described man-machine
Switching Module is connected；The negative electrode and anode of the polarized electric capacity C2 one end with the inductance L4 and the inductance L3 respectively
One end be connected.
Specifically, the inductance L1, inductance L2, inductance L3 and inductance L4 material are soft magnet material, it is used as filtering
Ripple inductance.And electric capacity (C1~C2), as filter capacitor.
The human-machine exchange module includes inverter, LCDs, printer and keyboard.
FPGA control modules can also be controlled by human-computer interaction module.
The present invention using the inherent certainty of chaotic signal, Fractals and to initial value sensitivity, devise New High Order with
Control of the machine chaos digital signal to ultrasonic wave, to reach the effect of dedusting.So as to improve solar cell power generation efficiency and make
Use the life-span.As shown in Figure 3, it is seen that, its New High Order Stochastic Chaos signal is limited between 0-1.0, chaotic signal bounded but
With Stochastic Chaos characteristic；This stochastic behaviour, spontaneously results from internal system, with outer randomness have it is entirely different come
Source and mechanism, exactly this unstable interior randomness feature, produced control signal control ultrasonic probe have wide
Frequency band is shaken, more preferable scavenging action is played to the attachment of various sizes.
The control method of the present invention, using the Stochastic Disturbance Features of Stochastic Chaos signal, produces random supersonic frequency, solves
Prior art of having determined runs into the problem of dust removing effects are undesirable in dust removal process, and the present invention can preferably control ultrasonic wave
Frequency, reach more preferably dust removing effects.And digitizing solution is used, New High Order Stochastic Chaos signal is produced, with prior art
Compare, there is the advantages of parameter configuration is flexible, reliable and stable.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is recognized
The specific implementation of the fixed present invention is confined to these explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (9)
1. a kind of automatic dust removing method of solar recharging stake, it is characterised in that including step：
S01. in the electricity abundance of photovoltaic array, electric energy caused by photovoltaic array module passes sequentially through the first filter circuit, three
Converter is held, three end converters will be battery module and charging electric vehicle respectively under the control of FPGA module；Its
In, one second filter circuit is also associated between three end converters and electric automobile；
In the not enough power supply of photovoltaic array, battery is charging electric vehicle by three end converter；
S02. the FPGA control modules judge current time, and current time is stored, when current time is daytime,
Worked without dedusting；When current time is evening, directly carry out in next step；
S03.FPGA control modules judge to produce high-order Stochastic Chaos signal according to current time, wind speed；
S04.FPGA control modules control the frequency f (x) of ultrasonic transmitter transmitting ultrasonic wave by high-order Stochastic Chaos signal,
And constraints is set to it：
20KHz≤f(x)≤40KHZ
Therefore, the expression formula of the tranmitting frequency of ultrasonic transmitter is：
F (x)=20000+20000Xn+1 (4-1)
S05. ultrasonic wave transmitting probe high-order according to caused by the ultrasonic signal and PFGA that supersonic generator is sent
Stochastic Chaos data signal, according to working frequency f (x), launch ultrasonic wave, and utilize high-order Stochastic Chaos signal and naturally
Wind is to photovoltaic array module dedusting.
2. the automatic dust removing method of solar recharging stake according to claim 1, it is characterised in that step S03 also includes
Step：
S031. the small size iterative algorithm of high-order Stochastic Chaos is built：
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<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<mn>2</mn>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<mn>2</mn>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mn>2</mn>
<msubsup>
<mi>x</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<msup>
<mo>)</mo>
<mn>2</mn>
</msup>
<msup>
<mo>)</mo>
<mn>2</mn>
</msup>
<msup>
<mo>)</mo>
<mn>2</mn>
</msup>
<mo>+</mo>
<mi>r</mi>
<mi>a</mi>
<mi>n</mi>
<mi>d</mi>
<mrow>
<mo>(</mo>
<mi>n</mi>
<mo>)</mo>
</mrow>
</mrow>
</mtd>
</mtr>
</mtable>
<mo>-</mo>
<mo>-</mo>
<mo>-</mo>
<mrow>
<mo>(</mo>
<mn>3</mn>
<mo>-</mo>
<mn>1</mn>
<mo>)</mo>
</mrow>
</mrow>
Wherein, xn∈ (- 1,1) is iteration variable, and rand (n) is digital random signal generating functon；
S032. to real number value x caused by iterative algorithmnTake absolute value, take initial value x0Any one numerical value between ∈ (0,1),
Then it is iterated by iterative formula 3-1, iterations N, N span are (0~80000)；
S033. it is (2~128) to choose quantization series L, L span；
S034. integer quantisation is carried out to quantifying series L, New High Order Stochastic Chaos data signal is obtained after quantization：
<mrow>
<mtable>
<mtr>
<mtd>
<mrow>
<msub>
<mi>X</mi>
<mrow>
<mi>n</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>=</mo>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mfrac>
<mrow>
<mo>-</mo>
<msup>
<mn>2</mn>
<mn>9</mn>
</msup>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mrow>
<mn>2</mn>
<mi>L</mi>
</mrow>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mrow>
<mn>2</mn>
<mi>L</mi>
</mrow>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mrow>
<mn>2</mn>
<mi>L</mi>
</mrow>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<msup>
<mn>2</mn>
<mrow>
<mn>2</mn>
<mi>L</mi>
</mrow>
</msup>
</mrow>
<msup>
<mn>2</mn>
<mi>L</mi>
</msup>
</mfrac>
</mtd>
</mtr>
</mtable>
<mo>-</mo>
<mo>-</mo>
<mo>-</mo>
<mrow>
<mo>(</mo>
<mn>3</mn>
<mo>-</mo>
<mn>2</mn>
<mo>)</mo>
</mrow>
</mrow>
X0=[232x0] (3-3)
Wherein, Xn∈ (0,1), [] represents to round variable in formula (3-3).
3. the automatic dust removing method of solar recharging stake according to claim 2, it is characterised in that step S033 also includes
Step：
S331. the quantization series L of 32 is used to obtain 32 bit X for integer quantisation methodn, obtained subsequently into 64 bit multipliers
ArriveWherein,Bit wide be 64；
S332. askComplement code, and obtain：
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
Its bit wide is 64, then with step S331'sInto 128 bit multipliers, obtain：
<mrow>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
</mrow>
Its bit wide is 128；
S333. by step S331'sOne is moved to left to obtain：
<mrow>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
Its bit wide is 65, Ran HouqiuComplement code, into 65 bit multipliers and obtain：
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
Its bit wide is 65, enters back into 130 bit multipliers and obtains：
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
Its bit wide is 130；
S334. step S332With step S333'sInto after 258 bit multipliers,
Obtain：
<mrow>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
And its bit wide is 258；
S335. by step S333'sOne is moved to left to obtain：
<mrow>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
Its bit wide is 131, then asks its complement code to be obtained into 131 bit multipliers：
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
Its bit wide is 131；
S336. step S335 result is obtained by 262 bit multipliers：
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
Its bit wide is 262；
S337. step S334 and step S336 result are entered into 520 bit multipliers, obtained：
<mrow>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
Its bit wide is 520；
S338. step S336 result is moved to left into one to obtain：
<mrow>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
Its bit wide is 263, and then supplement code obtains into 263 bit multipliers：
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
Its bit wide is 263；
S339. the result obtained in step S338 into multiplier is passed through into 526 bit multipliers again, obtained：
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
Its bit wide is 526；
S3310. the result again obtained the obtained results of step S339 and step S337 enters 1046 bit multipliers, obtains：
<mfenced open = "" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mo>)</mo>
<mn>2</mn>
</msup>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
Its bit wide is 1046；
S3311. step S3310 result is moved to left 9, and takes complement code to obtain：
<mfenced open = "" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msup>
<mn>2</mn>
<mn>9</mn>
</msup>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<mrow>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
</mrow>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msup>
<mrow>
<mo>(</mo>
<msup>
<mn>2</mn>
<mn>64</mn>
</msup>
<mo>-</mo>
<mn>2</mn>
<msubsup>
<mi>X</mi>
<mi>n</mi>
<mn>2</mn>
</msubsup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<msup>
<mo>)</mo>
<mn>2</mn>
</msup>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
Its bit wide is 1055；
S3312. the absolute value of step S3311 results and output are taken.
4. a kind of automatic dust removing system of solar recharging stake, it is characterised in that including control module, supersonic generator, surpass
Probe, photovoltaic array module and charging module occur for sound wave；The control module：For controlling the ultrasonic wave of supersonic generator
Working frequency, the ultrasonic wave transmitting probe：For launching ultrasonic wave to photovoltaic array module dedusting, wherein the control module
Including FPGA module.
5. the cell panel automatic dust removing system according to claim 4 based on high-order Stochastic Chaos signal, it is characterised in that
The charging module includes the first filter circuit, the second filter circuit, three end converters, battery module and human-computer exchange mould
Block；The photovoltaic array module is connected with the first filter circuit, and first filter circuit is connected with three end converter；When
During the electricity abundance of photovoltaic array module, the FPGA module controls three end converter, and one end is connected with battery module,
The other end is connected by filter circuit with human-machine exchange module；When the not enough power supply of photovoltaic array module, the battery mould
Block is charging electric vehicle.
6. the automatic dust removing system of solar recharging stake according to claim 5, it is characterised in that first filtered electrical
Road includes inductance L1, inductance L2 and polarized electric capacity C1, and one end of the inductance L1 is connected with the photovoltaic array module, another
End is connected with three end converter；One end of the inductance L2 is connected with one end of the inductance L1, and the inductance L2's is another
One end is connected with the inductance L1；The anode and negative electrode of the polarized electric capacity C1 other end and electricity with the inductance L1 respectively
Feel L2 other end connection.
7. the automatic dust removing system of solar recharging stake according to claim 6, it is characterised in that second filtered electrical
Road includes inductance L3, inductance L4 and polarized electric capacity C2；The inductance L3 and the inductance L4 one end all become with three end
Parallel operation is connected, and the inductance L3 and the inductance L4 other end are connected with the human-machine exchange module respectively；The polarized
Electric capacity C2 negative electrode and anode is connected with one end of the inductance L4 and one end of the inductance L3 respectively.
8. the automatic dust removing system of solar recharging stake according to claim 7, it is characterised in that the inductance L1, electricity
The material for feeling L2, inductance L3 and inductance L4 is soft magnetic bodies.
9. the automatic dust removing system of solar recharging stake according to claim 8, it is characterised in that the human-computer exchange mould
Block includes inverter, LCDs, printer and keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207386.3A CN107800374B (en) | 2017-11-27 | 2017-11-27 | Automatic dust removing method and system for solar charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207386.3A CN107800374B (en) | 2017-11-27 | 2017-11-27 | Automatic dust removing method and system for solar charging pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800374A true CN107800374A (en) | 2018-03-13 |
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