CN106787165B - A kind of photovoltaic power station component remote supervision system - Google Patents
A kind of photovoltaic power station component remote supervision system Download PDFInfo
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- CN106787165B CN106787165B CN201611010901.4A CN201611010901A CN106787165B CN 106787165 B CN106787165 B CN 106787165B CN 201611010901 A CN201611010901 A CN 201611010901A CN 106787165 B CN106787165 B CN 106787165B
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
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- 239000003990 capacitor Substances 0.000 claims description 174
- 239000013078 crystal Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 claims description 3
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- 238000013461 design Methods 0.000 abstract description 4
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Classifications
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- H02J13/0075—
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
A kind of photovoltaic power station component remote supervision system, including signal receiving device, multiple GPRS hosts, multiple photovoltaic power station components and multiple extension wire plates, photovoltaic power station component includes three detectable voltage V1, V2 and V3, extension wire plate includes switch power module, radio-frequency module, analogue transformation module, RF Amplifier Module and radiofrequency emitting module, radio-frequency module includes radio frequency unit and MCU, the ADC analog-to-digital conversion port of institute MCU is connected with the output end of analogue transformation module respectively, the port ANT2 of radio frequency unit is connected with the port TX/RX of RF Amplifier Module, the port ANT of RF Amplifier Module is connected with the input port ANT of radiofrequency emitting module, analogue transformation module respectively with three detectable voltage V1 of photovoltaic power station component, V2, V3 is connected It connects.The generating efficiency of photovoltaic plant is improved, failure rate is reduced, so that photovoltaic plant operation reaches design requirement.
Description
Technical field
The present invention relates to a kind of remote supervision system, more specifically to a kind of photovoltaic power station component, which remotely monitors, is
System.
Background technique
Solar energy is a kind of green clean energy resource, more and more by people in today of world energy sources growing tension
Concern.Photo-thermal, photoelectricity, photochemistry and photo-biological mode are 4 kinds of basic fundamental approach currently with solar energy, wherein photoelectricity
Mode is bigger using the potentiality of solar energy, and technology is also more mature.
China's photovoltaic power generation technology applied linear ascendant trend in recent years.But scale Commercial photovoltaic power station is universal
There are the following problems: the decaying of photovoltaic module, spot block, shadow occlusion or hot spot effect, and the real work in power station is caused to be imitated
Rate reduces, operational efficiency is low, so that photovoltaic plant operation is unable to reach the requirement of design.
Summary of the invention
It is an object of the invention to for the generally existing real work efficiency reduction of existing photovoltaic plant, operational efficiency
The defects of low, provides a kind of photovoltaic power station component remote supervision system.
To achieve the above object, institute using technical solution is the present invention: a kind of photovoltaic power station component, which remotely monitors, is
System, including signal receiving device, multiple GPRS hosts and multiple photovoltaic power station components, the photovoltaic power station component include three
Detectable voltage V1, V2 and V3, are connected by communication network between the GPRS host and signal receiving device, further include
There are multiple extension wire plates, the extension wire plate includes switch power module, radio-frequency module, analogue transformation module, penetrates
Frequency amplification module and radiofrequency emitting module, the radio-frequency module include radio frequency unit and MCU, the switch power module point
It is not connected with MCU, analogue transformation module, RF Amplifier Module, the SPI serial line interface of the MCU and the SPI of radio frequency unit
Serial line interface is connected, and the ADC analog-to-digital conversion port of MCU is connected with the output end of analogue transformation module respectively, described to penetrate
The port ANT2 of frequency unit is connected with the port TX/RX of RF Amplifier Module, the port ANT of the RF Amplifier Module with penetrate
The input port ANT of frequency transmitting module is connected, and the analogue transformation module can be examined with three of photovoltaic power station component respectively
It surveys voltage V1, V2, V3 to be connected, network is connected by wireless communication between the radiofrequency emitting module and GPRS host.
The extension wire plate is arranged in terminal box, and temperature monitoring device, the temperature are provided in terminal box
Monitoring device is connected with analogue transformation module.
The switch power module includes IC chip MC33063A U11, resistance R31, resistance R32, resistance
R33, capacitor C37, capacitor C38, capacitor C39, capacitor C44, inductance L12 and diode D1, the input of the switch power module
Power supply V1 is that the output voltage V1, the resistance R33 mono- of photovoltaic power station component terminate IC chip MC33063A
U11 pin 8, resistance R33 another termination input power V1, the capacitor C37 mono- terminate input power V1, and capacitor C37 is another
End difference one end connecting resistance R32, the one end capacitor C38, diode D1 anode, the one end capacitor C39 and the one end capacitor C44, it is described
The one end another terminating resistor R31 of resistance R32, it is another that the resistance R31 other end meets the capacitor C39 other end, capacitor C44 respectively
End and the one end inductance L12, the inductance L12 other end connect IC chip MC33063A U11 pin 2 and two poles respectively
Pipe D1 cathode, another termination IC chip MC33063A U11 pin 3 of the capacitor C38.
The MCU is single-chip microcontroller U5, and the radio frequency unit includes IC chip NRF24L01 U3, capacitor
C23, capacitor C25, capacitor C26, capacitor C30, capacitor C31, capacitor C32, capacitor C35, capacitor C36, resistance R16, resistance R23,
Inductance L6, inductance L7, inductance L8 and crystal oscillator Y2, pass through between the IC chip NRF24L01 U5 and single-chip microcontroller U3
SPI serial ports is connected with control port IRQ is interrupted, and described one end capacitor C23 and the one end capacitor C25 connect working power respectively
VCC, the capacitor C23 other end and the capacitor C25 other end are grounded respectively, and the capacitor C26 mono- terminates IC chip
NRF24L01 U3 pin 19, capacitor C26 other end ground connection, the resistance R16 mono- terminate IC chip NRF24L01
U3 pin 16, resistance R16 other end ground connection, described one end capacitor C30 and the one end capacitor C31 connect the one end inductance L8 respectively, electricity
Hold the C30 other end and the capacitor C31 other end is grounded respectively, another one end termination inductance L6 the inductance L8, the inductance
Another one end termination inductance L7 L6, described one end another termination capacitor C32 of inductance L7, institute's capacitor C32 other end are radio frequency mould
The radio frequency output input end TX/RX of block, described one end capacitor C35 and the one end capacitor C36 are grounded respectively, the capacitor C35 other end,
The one end resistance R23, the one end crystal oscillator Y2 connect IC chip NRF24L01 U3 pin 9, the capacitor C36 other end, resistance respectively
The R23 other end, the crystal oscillator Y2 other end connect IC chip NRF24L01 U3 pin 10 respectively.
The RF Amplifier Module includes chip RFX2401C U4, capacitor C24, capacitor C29, resistance R17 and resistance
R18, described one end capacitor C24 and the one end capacitor C29 connect chip RFX2401C U4 pin 16 respectively, the capacitor C24 other end and
The capacitor C29 other end is grounded respectively, and described one end resistance R17 is connected with radio-frequency module, another chip termination of resistance R17
RFX2401C U4 pin 5, the resistance R18 mono- terminate working power VCC, another chip termination RFX2401C of resistance R18
U4 pin 6.
The analogue transformation module includes V1 voltage transformation module, V2 voltage transformation module, V3 voltage transformation module
With temperature inversion unit, the V1 voltage transformation module includes resistance R22, resistance R26, resistance R30 and capacitor C43, described
Resistance R26 mono- terminate input voltage V1, the input power V1 of the analogue transformation module is the defeated of photovoltaic power station component
Voltage V1 out, the resistance R26 other end distinguish the one end connecting resistance R22, the one end resistance R30 and the one end capacitor C43, the resistance
The R22 other end connects the port ADC6 of single-chip microcontroller U5, and the resistance R30 other end and the capacitor C43 other end are grounded respectively, described
V2 voltage transformation module include resistance R19, resistance R24, resistance R27 and capacitor C40, the resistance R24 mono- terminates input
The input power V2 of voltage V2, the analogue transformation module are the output voltage V2 of photovoltaic power station component, and resistance R24 is another
The one end connecting resistance R19, the one end resistance R27 and the one end capacitor C40, the resistance R19 other end connect single-chip microcontroller U5's respectively at end
The port ADC1, the resistance R27 other end and the capacitor C40 other end are grounded respectively, and the V3 voltage transformation module includes
Resistance R20, resistance R25, resistance R28 and capacitor C42, the resistance R25 mono- terminate input voltage V3, the analogue transformation
The input power V3 of module is the output voltage V3 of photovoltaic power station component, the resistance R25 other end distinguish the one end connecting resistance R20,
The one end resistance R28 and the one end capacitor C42, the resistance R20 other end connect the port ADC0 of single-chip microcontroller U5, the resistance
The R28 other end and the capacitor C42 other end are grounded respectively, and the temperature inversion unit includes resistance R21, resistance R29, temperature-sensitive electricity
Hinder Rt2 and capacitor C41, the resistance R29 mono- terminates working power VCC, the resistance R29 other end distinguish the one end connecting resistance R21,
The one end thermistor Rt2 and the one end capacitor C41, the resistance R21 other end connect the port ADC7 of single-chip microcontroller U5, the heat
The quick resistance Rt2 other end and the capacitor C41 other end are grounded respectively.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can have found and be alarmed when photovoltaic power station component just bad phenomenon occurs, therefore can timely obtain
The generating efficiency of photovoltaic plant can be improved in processing, reduces failure rate, so that photovoltaic plant operation reaches design requirement.
Detailed description of the invention
Fig. 1 is structure of the invention block diagram.
Fig. 2 is extension wire plate structural block diagram in the present invention.
Fig. 3 is extension wire plate circuit diagram in the present invention.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3, a kind of photovoltaic power station component remote supervision system, including signal receiving device, multiple GPRS masters
Machine, multiple photovoltaic power station components and multiple extension wire plates；The extension wire plate is identical with photovoltaic power station component quantity, but
The two is not that correspondingly, with the bar code number of photovoltaic power station component, number has uniqueness；A meanwhile GPRS master
Machine can manage 3000~4000 photovoltaic power station components.
Referring to Fig. 1 to Fig. 3, the photovoltaic power station component (being commonly called as solar panel) is pressed by multi-disc solar battery sheet
It is combined in series composition according to design requirement, it includes three detectable voltage V1, V2 and V3；Three detectable voltages
V1, V2 and V3 can detect the decaying of photovoltaic module, spot is blocked, shadow occlusion or hot spot effect, diode damage etc..It is described
GPRS host and signal receiving device between be connected by communication network.
The extension wire plate includes switch power module, radio-frequency module, analogue transformation module, RF Amplifier Module
And radiofrequency emitting module.The radio-frequency module includes radio frequency unit and MCU, the switch power module respectively with MCU, mould
Analog quantity conversion module, RF Amplifier Module are connected to power to it.The SPI serial line interface of the MCU and the SPI of radio-frequency module
Serial line interface is connected, and the ADC analog-to-digital conversion port of MCU is connected with the output end of analogue transformation module respectively.It is described to penetrate
The port ANT2 of frequency unit is connected with the port TX/RX of RF Amplifier Module, the port ANT of the RF Amplifier Module with penetrate
The input port ANT of frequency transmitting module is connected, and the analogue transformation module can be examined with three of photovoltaic power station component respectively
It surveys voltage V1, V2, V3 to be connected, network is connected by wireless communication between the radiofrequency emitting module and GPRS host.
Referring to Fig. 1, the extension wire plate is arranged in terminal box, temperature monitoring device is provided in terminal box, institute
The temperature monitoring device stated is connected with analogue transformation module.Temperature monitoring device is able to detect temperature in terminal box, judgement
Terminal box internal fault reduces the hidden danger such as fire and occurs.
Referring to Fig. 3, the switch power module includes IC chip MC33063A U11, resistance R31, resistance
R32, resistance R33, capacitor C37, capacitor C38, capacitor C39, capacitor C44, inductance L12 and diode D1, the Switching Power Supply mould
The input power V1 of block is the output voltage V1 of photovoltaic power station component.The resistance R33 mono- terminates IC chip
MC33063A U11 pin 8, another termination input power V1 of resistance R33；Resistance R33 is this extension wire plate operating current feedback
Resistance plays overcurrent protection.The capacitor C37 mono- terminates input power V1, and the capacitor C37 other end distinguishes connecting resistance R32
One end, the one end capacitor C38, diode D1 anode, the one end capacitor C39 and the one end capacitor C44；Capacitor C37 is magnetic dielectric appearance, is risen defeated
Enter power filter effect.Described one end another terminating resistor R31 of resistance R32, the resistance R31 other end connect capacitor respectively
The C39 other end, the capacitor C44 other end and the one end inductance L12；Resistance R31 and resistance R32/ carries out the operating voltage VCC of output
Partial pressure sampling, sampled voltage FB are fed back to IC chip MC33063A U11, stabilize to output services voltage VCC
3.3V.The inductance L12 other end meets IC chip MC33063A U11 pin 2 and diode D1 cathode, institute respectively
Another termination IC chip MC33063A U11 pin 3 of the capacitor C38 stated；Capacitor C38 adjusts IC chip
The working frequency of MC33063A U11, the filter circuit of inductance L12, capacitor C39 and capacitor C44 composition output voltage, diode
D1 is freewheeling diode.
Referring to Fig. 3, the MCU is single-chip microcontroller STC15W404AS-35I-TSSOP20U5, and the radio frequency unit includes
IC chip NRF24L01 U3, capacitor C23, capacitor C25, capacitor C26, capacitor C30, capacitor C31, capacitor C32, capacitor
C35, capacitor C36, resistance R16, resistance R23, inductance L6, inductance L7, inductance L8 and crystal oscillator Y2.The IC chip
Pass through SPI serial ports (CE, CSN, MOSI, MISO, SCK) and interruption control port IRQ phase between NRF24L01 U5 and single-chip microcontroller U3
Connection.Described one end capacitor C23 and the one end capacitor C25 meets working power VCC respectively, and the capacitor C23 other end and capacitor C25 are another
One end is grounded respectively；VCC is that switch power module is provided as IC chip NRF24L01 U5 and single-chip microcontroller
The 3.3V working power of STC15W404AS-35I-TSSOP20 U3；Capacitor C23 and capacitor C23 are as power filter.Described
Capacitor C26 mono- terminates IC chip NRF24L01 U3 pin 19, capacitor C26 other end ground connection.The resistance R16 mono-
Terminate IC chip NRF24L01 U3 pin 16, resistance R16 other end ground connection；Described one end capacitor C30 and capacitor
The one end C31 connects the one end inductance L8 respectively, and the capacitor C30 other end and the capacitor C31 other end are grounded respectively.The inductance L8 is another
Terminate the one end inductance L6, another one end termination inductance L7 the inductance L6, another termination capacitor C32 mono- of the inductance L7
End, institute's capacitor C32 other end are the radio frequency output input end TX/RX of radio-frequency module；Inductance L7, inductance L6, inductance L8, capacitor
C32, capacitor C30, capacitor C31 composition radio frequency output input TX/RX and RF Amplifier Module emissioning controling signal TXEN, TX/RX
It is connected with TXEN with video amplifier module.Described one end capacitor C35 and the one end capacitor C36 is grounded respectively, and capacitor C35 is another
End, the one end resistance R23, the one end crystal oscillator Y2 connect IC chip NRF24L01 U3 pin 9, the capacitor C36 other end, electricity respectively
The resistance R23 other end, the crystal oscillator Y2 other end connect IC chip NRF24L01 U3 pin 10 respectively；Crystal oscillator Y2, resistance R23, electricity
Hold C35, capacitor C36 and forms external oscillating circuit, the vibration source as IC chip NRF24L01 U5.
Referring to Fig. 3, the RF Amplifier Module includes chip RFX2401C U4, capacitor C24, capacitor C29, resistance R17
With resistance R18.Described one end capacitor C24 and the one end capacitor C29 connects chip RFX2401C U4 pin 16 respectively, and capacitor C24 is another
One end and the capacitor C29 other end are grounded respectively；Capacitor C24, capacitor C29 are as power filter.It described one end resistance R17 and penetrates
Frequency module is connected, another chip termination RFX2401C U4 pin 5 of resistance R17, and the resistance R18 mono- terminates working power
Another chip termination RFX2401C U4 pin 6 of VCC, resistance R18；VCC is the 3.3V working power that switch power module provides,
Resistance R17 and resistance R18 is port current-limiting resistance.TX/RX is that radio-frequency input signals is connected with radio-frequency module；TXEN is transmitting
Control signal is connected with radio-frequency module；ANT is that radio frequency output signal is connected with transmitting module picture.
Referring to Fig. 3, the radiofrequency emitting module includes inductance L10, inductance L11, capacitor C33, capacitor C34, capacitor C45
With antenna ANT1.
Referring to Fig. 3, the analogue transformation module includes V1 voltage transformation module, V2 voltage transformation module, V3 voltage
Converter unit and temperature inversion unit.The V1 voltage transformation module includes resistance R22, resistance R26, resistance R30 and capacitor
C43；The resistance R26 mono- terminates input voltage V1, and the input power V1 of the analogue transformation module is photovoltaic plant
The output voltage V1 of component, the resistance R26 other end distinguishes the one end connecting resistance R22, the one end resistance R30 and the one end capacitor C43, described
The resistance R22 other end connect the port ADC6 of single-chip microcontroller U5, the resistance R30 other end and the capacitor C43 other end connect respectively
Ground.The V2 voltage transformation module includes resistance R19, resistance R24, resistance R27 and capacitor C40；Described one end resistance R24
Input voltage V2 is met, the input power V2 of the analogue transformation module is the output voltage V2 of photovoltaic power station component, resistance
The R24 other end distinguishes the one end connecting resistance R19, the one end resistance R27 and the one end capacitor C40, the resistance R19 other end order piece
The port ADC1 of machine U5, the resistance R27 other end and the capacitor C40 other end are grounded respectively.The V3 voltage transformation list
Member includes resistance R20, resistance R25, resistance R28 and capacitor C42；The resistance R25 mono- terminates input voltage V3, the simulation
The input power V3 of change of variable module is the output voltage V3 of photovoltaic power station component, and the resistance R25 other end distinguishes connecting resistance R20
One end, the one end resistance R28 and the one end capacitor C42, the resistance R20 other end connects the port ADC0 of single-chip microcontroller U5, described
The resistance R28 other end and the capacitor C42 other end are grounded respectively.The temperature inversion unit includes resistance R21, resistance R29, heat
Quick resistance Rt2 and capacitor C41；The resistance R29 mono- terminates working power VCC, and the resistance R29 other end distinguishes connecting resistance R21
One end, the one end thermistor Rt2 and the one end capacitor C41, the resistance R21 other end meet the port ADC7 of single-chip microcontroller U5, institute
The thermistor Rt2 other end and the capacitor C41 other end stated are grounded respectively.
Referring to Fig. 1 to Fig. 3, radio frequency unit is configured referring to Fig. 1 to Fig. 3, MCU, is operated；Radio frequency unit completes data
Send and receive, radiofrequency signal is generated, through antenna to air-launched electromagnetic wave after RF Amplifier Module amplifies.Multiple GPRS
Host is distributed in power station scene different address but adjacent host work channel is different, and one shares 125 optional channels；MCU is logical
Cross the modification to the channel of radio frequency unit, the channel of image processor GPRS host.It interferes with each other in order to prevent, GPRS host is every
To " broadcasting frame address " transmission " address broadcast frame ", oneself address and channel number are broadcasted within 0.1 second, extension wire plate is equipped with unified
It receives " broadcasting frame address ", extension set adjust automatically channel, the channel, extension set locking frequency is just locked when receiving " address broadcast frame "
If not receiving within 30 minutes " address broadcast frame " behind road, channel is just readjusted, new GPRS host is searched for.
Referring to Fig. 1 to Fig. 3, photovoltaic plant has multiple photovoltaic power station components to be connected into array, multiple array in parallel to confluence
Case becomes a square matrix, therefore the not good general of a photovoltaic power station component reduces the generating efficiency of entire square matrix；If failure is not
It can discover and rule out in time, not only persistently reduce the generating efficiency of entire square matrix, it is also possible to cause failure or accident.Work of the present invention
When making, temperature in three detectable voltage V1, V2, V3 and terminal box of the extension wire plate measurement photovoltaic power station component,
And GPRS host is sent measured data in GPRS host computer polls.The validity of GPRS host analysis data, such as effectively, just
Its background server is transmitted data to, background server calculates the data received, analyzes, stores, and by result
It is displayed on the screen in the form of table and curve, if faulty, will show warning window immediately, and can check the original of alarm
The array of the bar code and place of cause and undesired component and the number in array.Therefore, the present invention has just gone out in photovoltaic power station component
It can find and alarm when existing bad phenomenon, therefore handle failure or accident timely, photovoltaic electric can be improved
The generating efficiency stood reduces failure rate.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, and above structure all shall be regarded as belonging to
Protection scope of the present invention.
Claims (4)
1. a kind of photovoltaic power station component remote supervision system, including signal receiving device, multiple GPRS hosts and multiple photovoltaic electrics
It stands component, the photovoltaic power station component includes three detectable voltage V1, V2 and V3, and the GPRS host and signal receive
It is connected between device by communication network, is characterized in that: further includes there are multiple extension wire plates, the extension wire plate packet
Include switch power module, radio-frequency module, analogue transformation module, RF Amplifier Module and radiofrequency emitting module, the radio frequency
Module includes radio frequency unit and MCU, the switch power module respectively with MCU, analogue transformation module, RF Amplifier Module
It is connected, the SPI serial line interface of the MCU is connected with the SPI serial line interface of radio frequency unit, the ADC analog-to-digital conversion port of MCU
It is connected respectively with the output end of analogue transformation module, the port ANT2 of the radio frequency unit and the TX/ of RF Amplifier Module
The port RX is connected, and the port ANT of the RF Amplifier Module is connected with the input port ANT of radiofrequency emitting module, described
Analogue transformation module is connected with three detectable voltage V1, V2, V3 of photovoltaic power station component respectively, the radio-frequency transmissions
Network is connected by wireless communication between module and GPRS host, and the extension wire plate is arranged in terminal box, wiring
Temperature monitoring device is provided in box, the temperature monitoring device is connected with analogue transformation module, the switch electricity
Source module includes IC chip MC33063A U11, resistance R31, resistance R32, resistance R33, capacitor C37, capacitor C38, electricity
Hold C39, capacitor C44, inductance L12 and diode D1, the input power V1 of the switch power module is photovoltaic power station component
Output voltage V1, the resistance R33 mono- terminates IC chip MC33063A U11 pin 8, another termination of resistance R33
Input power V1, the capacitor C37 mono- terminate input power V1, and the capacitor C37 other end distinguishes the one end connecting resistance R32, capacitor
The one end C38, diode D1 anode, the one end capacitor C39 and the one end capacitor C44, another terminating resistor R31 mono- of the resistance R32
End, the resistance R31 other end connect the capacitor C39 other end, the capacitor C44 other end and the one end inductance L12, the electricity respectively
The sense L12 other end connects IC chip MC33063A U11 pin 2 and diode D1 cathode respectively, and the capacitor C38 is another
One termination IC chip MC33063A U11 pin 3.
2. a kind of photovoltaic power station component remote supervision system according to claim 1, it is characterised in that: the MCU is
Single-chip microcontroller U5, the radio frequency unit include IC chip NRF24L01 U3, capacitor C23, capacitor C25, capacitor C26, electricity
Hold C30, capacitor C31, capacitor C32, capacitor C35, capacitor C36, resistance R16, resistance R23, inductance L6, inductance L7, inductance L8 and
Crystal oscillator Y2 passes through SPI serial ports and interruption control port between the IC chip NRF24L01 U3 and single-chip microcontroller U5
IRQ is connected, and described one end capacitor C23 and the one end capacitor C25 connect working power VCC, the capacitor C23 other end and capacitor respectively
The C25 other end is grounded respectively, and the capacitor C26 mono- terminates IC chip NRF24L01 U3 pin 19, and capacitor C26 is another
One end ground connection, the resistance R16 mono- terminate IC chip NRF24L01 U3 pin 16, and the resistance R16 other end is grounded,
Described one end capacitor C30 and the one end capacitor C31 connects the one end inductance L8, the capacitor C30 other end and the capacitor C31 other end point respectively
It is not grounded, another one end termination inductance L6 the inductance L8, another one end termination inductance L7 the inductance L6, the electricity
Feel the one end another termination capacitor C32 of L7, institute's capacitor C32 other end is the radio frequency output input end TX/RX of radio-frequency module, described
The one end capacitor C35 and the one end capacitor C36 are grounded respectively, and the capacitor C35 other end, the one end resistance R23, the one end crystal oscillator Y2 connect collection respectively
At circuit chip NRF24L01 U3 pin 9, the capacitor C36 other end, the resistance R23 other end, the crystal oscillator Y2 other end connect integrated respectively
Circuit chip NRF24L01 U3 pin 10.
3. a kind of photovoltaic power station component remote supervision system according to claim 2, it is characterised in that: the analog quantity
Conversion module includes V1 voltage transformation module, V2 voltage transformation module, V3 voltage transformation module and temperature inversion unit, described
V1 voltage transformation module includes resistance R22, resistance R26, resistance R30 and capacitor C43, the termination input electricity of resistance R26 mono-
V1 is pressed, the input power V1 of the analogue transformation module is the output voltage V1 of photovoltaic power station component, the resistance R26 other end
The one end connecting resistance R22, the one end resistance R30 and the one end capacitor C43, the resistance R22 other end connect single-chip microcontroller U5's respectively
The port ADC6, the resistance R30 other end and the capacitor C43 other end are grounded respectively, and the V2 voltage transformation module includes
Resistance R19, resistance R24, resistance R27 and capacitor C40, the resistance R24 mono- terminate input voltage V2, the analogue transformation
The input power V2 of module is the output voltage V2 of photovoltaic power station component, the resistance R24 other end distinguish the one end connecting resistance R19,
The one end resistance R27 and the one end capacitor C40, the resistance R19 other end connect the port ADC1 of single-chip microcontroller U5, the resistance
The R27 other end and the capacitor C40 other end are grounded respectively, and the V3 voltage transformation module includes resistance R20, resistance R25, resistance
R28 and capacitor C42, the resistance R25 mono- terminate input voltage V3, and the input power V3 of the analogue transformation module is
The output voltage V3 of photovoltaic power station component, the resistance R25 other end distinguish the one end connecting resistance R20, the one end resistance R28 and capacitor C42
One end, the resistance R20 other end connect the port ADC0 of single-chip microcontroller U5, and the resistance R28 other end and capacitor C42 are another
End is grounded respectively, and the temperature inversion unit includes resistance R21, resistance R29, thermistor Rt2 and capacitor C41, described
Resistance R29 mono- terminates working power VCC, and the resistance R29 other end distinguishes the one end connecting resistance R21, the one end thermistor Rt2 and capacitor
The one end C41, the resistance R21 other end connect the port ADC7 of single-chip microcontroller U5, the thermistor Rt2 other end and capacitor
The C41 other end is grounded respectively.
4. a kind of photovoltaic power station component remote supervision system according to claim 1, it is characterised in that: the radio frequency is put
Big module includes chip RFX2401C U4, capacitor C24, capacitor C29, resistance R17 and resistance R18, described one end capacitor C24
Chip RFX2401C U4 pin 16 is connect respectively with the one end capacitor C29, and the capacitor C24 other end and the capacitor C29 other end connect respectively
Ground, described one end resistance R17 are connected with radio-frequency module, and another chip termination RFX2401C U4 pin 5 of resistance R17 is described
Resistance R18 mono- terminate working power VCC, another chip termination RFX2401C U4 pin 6 of resistance R18.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629086Y (en) * | 2003-06-19 | 2004-07-28 | 中国一拖集团有限公司 | Farm machinery vehicle instrument electric appliances automatic protecting power supply stablizing device |
| CN102780271A (en) * | 2012-08-23 | 2012-11-14 | 健雄职业技术学院 | 3G smart monitoring terminal for connection of photovoltaic micro-network power generation system to power grid |
| CN105634406A (en) * | 2016-03-28 | 2016-06-01 | 江苏大学 | Wireless monitoring system of intelligent photovoltaic array |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629086Y (en) * | 2003-06-19 | 2004-07-28 | 中国一拖集团有限公司 | Farm machinery vehicle instrument electric appliances automatic protecting power supply stablizing device |
| CN102780271A (en) * | 2012-08-23 | 2012-11-14 | 健雄职业技术学院 | 3G smart monitoring terminal for connection of photovoltaic micro-network power generation system to power grid |
| CN105634406A (en) * | 2016-03-28 | 2016-06-01 | 江苏大学 | Wireless monitoring system of intelligent photovoltaic array |
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