CN206472100U - Integrated photovoltaic panel data acquisition device - Google Patents
Integrated photovoltaic panel data acquisition device Download PDFInfo
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- CN206472100U CN206472100U CN201720035635.4U CN201720035635U CN206472100U CN 206472100 U CN206472100 U CN 206472100U CN 201720035635 U CN201720035635 U CN 201720035635U CN 206472100 U CN206472100 U CN 206472100U
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model discloses a kind of integrated photovoltaic panel data acquisition device.The utility model includes digital signal processor, light intensity sensor, temperature sensor, isolation drive module, BUCK/BOOST bridges, electric energy output module, 485 buses, data outputting module, input voltage and input current sample circuit and output voltage current sampling circuit；The output end of digital signal processor is connected with isolation drive module and 485 buses, and input is connected with input voltage and input current sample circuit, output voltage current sampling circuit, light intensity sensor and temperature sensor simultaneously；The input of light intensity sensor and temperature sensor is connected with PV plates, input voltage and input current sample circuit and output voltage current sampling circuit gathers BUCK/BOOST bridges input respectively and the voltage and current signal of output end is sent to digital signal processor.The utility model is simple in construction, can collection voltages, electric current, power, light radiation.
Description
Technical field
The utility model is related to a kind of integrated photovoltaic panel data acquisition device.
Background technology
Solar energy power generating industry receives the attention of countries in the world in beginning of this century last century Mo.Current photovoltaic generation
Occupy countries in the world prostatitis is Japan, Germany and the U.S..Countries in the world are made laws one after another, are formulated encouragement policy, are initiated a development plan,
Vigorously support, popularization and application, promote photovoltaic industry and develop rapidly, become the most fast energy industry of speedup nearly ten years it
One.Photovoltaic generation industry is in the following impetus that adjustment will be kept to develop for 10 years.In moral, Japan and the United States etc., more than 40 actively develop too
Under the promotion of the government of positive energy industry, the demand of current solar energy terminal user greatly exceed production capacity growth.
Photovoltaic cell is to apply a kind of quite varied battery, and China, which has surmounted Europe, Japan, now turns into the world too
Positive energy battery production first big country.Photovoltaic cell is the important component of solar power system, and the quality of its performance is directly
Have influence on the performance of solar power system.Because solar energy radiation intensity is at times strong and at other times weak, the temperature change of cell panel and
Photovoltaic cell nonlinear characteristic, can all influence the power output and maximum power point of cell panel, and then influence whole photovoltaic system
The operating efficiency of system, is the technical barrier of this area so how to solve the above problems.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in construction, energy collection voltages, electric current, power, light
Amount of radiation, realize maximum power tracing (MPPT) function and the integrated photovoltaic panel data of other controllers can be transmitted data to and adopt
Acquisition means.
It is as follows that the utility model solves the technical scheme that its technical problem used：
Integrated photovoltaic panel data acquisition device, including：Digital signal processor, light intensity sensor, temperature sensor, every
From drive module, BUCK/BOOST bridges, electric energy output module, 485 buses, data outputting module, input voltage and input current sampling electricity
Road and output voltage current sampling circuit；The output end of digital signal processor is connected with isolation drive module and 485 buses, defeated
Enter end simultaneously with input voltage and input current sample circuit, output voltage current sampling circuit, light intensity sensor and temperature sensor phase
Even；The input of light intensity sensor and temperature sensor is connected with PV plates, and output end is connected with digital signal processor, and
Corresponding intensity signal and temperature information are transmitted to digital signal processor, digital signal processor will be located by 485 buses again
Information after reason is transmitted to data outputting module；On the other hand, the voltage and current signal of generation is transmitted to BUCK/BOOST bridges by PV plates,
Voltage x current after processing is transferred to electric energy output module, input voltage and input current sample circuit and output electricity by BUCK/BOOST bridges
Current voltage sample circuit gathers BUCK/BOOST bridges input respectively and the voltage and current signal of output end is sent to data signal
Processor, digital signal processor sends control signals to isolation drive module, isolation drive mould according to the data collected
Block sends control signals to BUCK/BOOST bridges again.
Described BUCK/BOOST bridges are plus BUCK/BOOST bridges lead directly to MOS topological structure, specific to include 5 MOS
Pipe, respectively Q1, Q2, Q3, Q4 and Q5；Q1 drain electrode and Q5 drain electrode are connected, the drain electrode of Q1 source electrode and Q2, one end of inductance
It is connected；Q2 source electrode is connected with Q3 source electrode；Q3 drain electrode is connected with the other end of inductance, Q4 source electrode；Q4 drain electrode and Q5
Source electrode be connected；Q1 drain electrode and Q4 drain electrode respectively with input voltage and input current sample circuit and output voltage current sampling circuit
Input be connected, the output end and Digital Signal Processing of input voltage and input current sample circuit and output voltage current sampling circuit
Device input is connected, and digital signal processor output is connected with isolation drive module, the output of isolation drive module and Q1, Q2, Q3, Q4
It is connected with Q5 grid.
Described input voltage and input current sample circuit, specifically includes resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, electric capacity
C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, operational amplifier OP1, operational amplifier OP2, operational amplifier OP3, computing
Amplifier OP4, operational amplifier OP5 and SM72295 photovoltaic full bridge driver.PV plates positive pole and resistance R1 one end, resistance R2 mono-
End, electric capacity C1 one end are connected with resistance R6 one end；Resistance R3 one end is connected with the R1 other ends, BUCK/BOOST, and resistance R3 is another
End is connected with the C1 other ends, SIA mouthfuls of SM72295 photovoltaic full bridge drivers；The resistance R2 other ends and the driving of SM72295 photovoltaics full-bridge
SOA mouthfuls of device is connected；BIN mouthfuls of SM72295 photovoltaic full bridge drivers are connected with resistance R4, the resistance R4 other ends and electric capacity C2 one end,
Resistance R5 one end is connected；Operational amplifier OP1 homophase inputs are connected with the resistance R5 other ends, electric capacity C3 one end, and electric capacity C3 is another
End ground connection, operational amplifier OP1 outputs are connected with anti-phase input, the electric capacity C2 other ends, digital signal processor DSP；Computing is put
Big device OP2 homophase inputs are connected with the resistance R6 other ends, resistance R7 one end, operational amplifier OP2 anti-phase inputs and operation amplifier
Device OP2 outputs, resistance R9 one end are connected；Operational amplifier OP3 homophase inputs and the resistance R7 other ends, resistance R8 one end, electric capacity
C4 one end is connected, and the electric capacity C4 other ends are connected ground connection with PV plates negative pole, the resistance R8 other ends；Operational amplifier OP3 is exported and transported
Amplifier OP3 anti-phase inputs, resistance R10 one end is calculated to be connected；Electric capacity C5 one end and the resistance R9 other ends, resistance R11 one end, computing
Amplifier OP4 homophase inputs are connected, resistance R11 other ends ground connection；Operational amplifier OP4 anti-phase inputs and the resistance R10 other ends,
The electric capacity C5 other ends, resistance R12 one end, electric capacity C6 one end are connected；Operational amplifier OP4 is exported and the resistance R12 other ends, electric capacity
The C6 other ends, resistance R13 one end are connected；Resistance R14 one end is connected with the resistance R13 other ends, electric capacity C8 one end；Operational amplifier
OP5 homophase inputs are connected with the resistance R14 other ends, electric capacity C7, electric capacity C7 other ends ground connection；Operational amplifier OP5 is exported and transported
Amplifier OP5 anti-phase inputs, the electric capacity C8 other ends, DSP is calculated to be connected.
Described output voltage current sampling circuit and input voltage and input current sample circuit is close, and sampled signal comes from electricity
Can output module.SM72295 photovoltaic full bridge drivers input port is SIB and SOB, and delivery outlet is BOUT.
Utility model works process is as follows：
The utility model, as controller, on the one hand realizes the maximum power point tracking to photovoltaic battery panel using DSP, right
The output voltage and electric current of cell panel are monitored.On the other hand, by light intensity sensor and temperature sensor difference to external world
Environment illumination intensity and the temperature of cell panel are measured.Finally by 485 buses, by the environmental information collected and battery
The job information of plate is transferred to other controllers or host computer in the external world.The data analysis in later stage is facilitated to study or unified tune
Control.
The beneficial effects of the utility model are:
It is simple in construction, can collection voltages, electric current, power, light radiation, realize maximum power tracing (MPPT) function and energy
Transmit data to the photovoltaic system data acquisition device of other controllers.
Brief description of the drawings
Fig. 1 is data acquisition device structural representation.
Fig. 2 is the structured flowchart of maximum power tracing part.
Fig. 3 is input voltage and input current sample circuit figure.
Fig. 4 is output voltage current sampling circuit figure.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, integrated photovoltaic panel data acquisition device, including：Digital signal processor, light intensity sensor, temperature
Spend sensor, isolation drive module, BUCK/BOOST bridges, electric energy output module, 485 buses, data outputting module, input voltage
Current sampling circuit and output voltage current sampling circuit；The output end of digital signal processor and isolation drive module and 485
Bus be connected, input simultaneously with input voltage and input current sample circuit, output voltage current sampling circuit, light intensity sensor and temperature
Sensor is spent to be connected.
Described light intensity sensor and the input of temperature sensor are connected with PV plates, output end and Digital Signal Processing
Device is connected, and corresponding intensity signal and temperature information are transmitted into digital signal processor, and digital signal processor passes through again
Information after processing is transmitted to data outputting module by 485 buses；On the other hand, the voltage and current signal of generation is transmitted to by PV plates
Voltage x current after processing is transferred to electric energy output module by BUCK/BOOST bridges, BUCK/BOOST bridges, and input voltage and input current is adopted
Sample circuit and output voltage current sampling circuit gather BUCK/BOOST bridges input and the voltage and current signal of output end respectively
Digital signal processor is sent to, digital signal processor sends control signals to isolation drive according to the data collected
Module, isolation drive module sends control signals to BUCK/BOOST bridges again.
As shown in Fig. 2 described BUCK/BOOST bridges are the topological structures for adding BUCK/BOOST bridges to lead directly to MOS, specifically
Including 5 metal-oxide-semiconductors, respectively Q1, Q2, Q3, Q4 and Q5；Q1 drain electrode and Q5 drain electrode are connected, the drain electrode of Q1 source electrode and Q2,
One end of inductance is connected；Q2 source electrode is connected with Q3 source electrode；Q3 drain electrode is connected with the other end of inductance, Q4 source electrode；Q4
Drain electrode be connected with Q5 source electrode；Q1 drain electrode and Q4 drain electrode are electric with input voltage and input current sample circuit and output voltage respectively
The input for flowing sample circuit is connected, the output end sum of input voltage and input current sample circuit and output voltage current sampling circuit
Word signal processor input be connected, digital signal processor output is connected with isolation drive module, isolation drive module export and
Q1, Q2, Q3, Q4 are connected with Q5 grid.
As shown in figure 3, described input voltage and input current sample circuit, specifically includes resistance R1, resistance R2, resistance R3, electricity
Hinder R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance
R14, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, operational amplifier OP1, operational amplifier OP2, operational amplifier
OP3, operational amplifier OP4, operational amplifier OP5 and SM72295 photovoltaic full bridge driver.PV plates positive pole and resistance R1 one end,
Resistance R2 one end, electric capacity C1 one end are connected with resistance R6 one end；Resistance R3 one end is connected with the R1 other ends, BUCK/BOOST, electricity
The resistance R3 other ends are connected with the C1 other ends, SIA mouthfuls of SM72295 photovoltaic full bridge drivers；The resistance R2 other ends and SM72295 photovoltaics
SOA mouthfuls of full bridge driver is connected；BIN mouthfuls of SM72295 photovoltaic full bridge drivers are connected with resistance R4, the resistance R4 other ends and electric capacity
C2 one end, resistance R5 one end are connected；Operational amplifier OP1 homophase inputs are connected with the resistance R5 other ends, electric capacity C3 one end, electric capacity
The C3 other ends are grounded, and operational amplifier OP1 outputs are connected with anti-phase input, the electric capacity C2 other ends, digital signal processor DSP；
Operational amplifier OP2 homophase inputs are connected with the resistance R6 other ends, resistance R7 one end, operational amplifier OP2 anti-phase inputs and fortune
Amplifier OP2 outputs, resistance R9 one end is calculated to be connected；Operational amplifier OP3 homophase inputs and the resistance R7 other ends, resistance R8 mono-
End, electric capacity C4 one end are connected, and the electric capacity C4 other ends are connected ground connection with PV plates negative pole, the resistance R8 other ends；Operational amplifier OP3 is defeated
Go out and be connected with operational amplifier OP3 anti-phase inputs, resistance R10 one end；Electric capacity C5 one end and the resistance R9 other ends, resistance R11 mono-
End, operational amplifier OP4 homophase inputs are connected, resistance R11 other ends ground connection；Operational amplifier OP4 anti-phase inputs and resistance R10
The other end, the electric capacity C5 other ends, resistance R12 one end, electric capacity C6 one end are connected；Operational amplifier OP4 is exported and resistance R12 is another
End, the electric capacity C6 other ends, resistance R13 one end are connected；Resistance R14 one end is connected with the resistance R13 other ends, electric capacity C8 one end；Fortune
Calculate amplifier OP5 homophase inputs with the resistance R14 other ends, electric capacity C7 to be connected, electric capacity C7 other ends ground connection；Operational amplifier OP5
Output is connected with operational amplifier OP5 anti-phase inputs, the electric capacity C8 other ends, DSP.
As shown in figure 4, described output voltage current sampling circuit and input voltage and input current sample circuit is close, sampling letter
Number come from electric energy output module.SM72295 photovoltaic full bridge drivers input port is SIB and SOB, and delivery outlet is BOUT.
As illustrated in fig. 1 and 2, utility model works process is as follows：
1. part of data acquisition measures the light intensity suffered by photovoltaic battery panel by light intensity sensor, and temperature sensor is used for
Measure the temperature of photovoltaic panel, the light intensity data collected and temperature data be transferred to digital signal processor, and by every
From 485 buses, by integrate and preliminary treatment after measurement data be sent to host computer.
2. digital signal processor is monitored to the output voltage and electric current of PV plates, realized by algorithm to photovoltaic cell
The maximum power point tracking of plate.
3. digital signal processor is by input voltage and input current sample circuit and output voltage current sampling circuit to PV plates
Output voltage electric current and electric energy output module input voltage be monitored, stablize defeated by BUCK/BOOST bridge control voltages
Go out.Detailed process is as follows when BUCK/BOOST bridges work：Input voltage can be boosted or is depressured, when input voltage mistake
When height needs to be depressured, Q4 switching tubes are normally opened, and Q3 switches are normal to close, and has Q1 and Q2 alternate conductions, constitute synchronization Buck decompression electricity
Road.When input voltage is too low to be needed to be boosted, Q1 switching tubes are normally opened, and Q2 switches are normal to close, and has Q3 and Q4 alternate conductions, constitutes
Synchronous Boost circuit.When input voltage and output voltage are close, Q1, Q2, Q3 and Q4 are closed, and Q5 is directly turned on.This
Control mode is planted, conversion efficiency, reduction heating can be effectively improved.
Claims (4)
1. integrated photovoltaic panel data acquisition device, it is characterised in that passed including digital signal processor, light intensity sensor, temperature
Sensor, isolation drive module, BUCK/BOOST bridges, electric energy output module, 485 buses, data outputting module, input voltage and input current
Sample circuit and output voltage current sampling circuit；The output end of digital signal processor and isolation drive module and 485 buses
It is connected, input is passed with input voltage and input current sample circuit, output voltage current sampling circuit, light intensity sensor and temperature simultaneously
Sensor is connected；The input of light intensity sensor and temperature sensor is connected with PV plates, output end and digital signal processor phase
Connection, digital signal processor is connected by 485 buses with data outputting module again；The output end of PV plates passes through BUCK/
BOOST bridges are connected with electric energy output module, and it is defeated that by BUCK/BOOST bridges the voltage and current signal of generation is transferred into electric energy
Go out module, input voltage and input current sample circuit and output voltage current sampling circuit gather respectively BUCK/BOOST bridges input and
The voltage and current signal of output end is sent to digital signal processor, and digital signal processor will be controlled according to the data collected
Signal processed is sent to isolation drive module, and isolation drive module sends control signals to BUCK/BOOST bridges again.
2. integrated photovoltaic panel data acquisition device according to claim 1, it is characterised in that described BUCK/BOOST
Bridge is plus BUCK/BOOST bridges lead directly to MOS topological structure, specific to include 5 metal-oxide-semiconductors, respectively Q1, Q2, Q3, Q4 and Q5；
Q1 drain electrode and Q5 drain electrode are connected, and Q1 source electrode is connected with one end of Q2 drain electrode, inductance；Q2 source electrode and Q3 source electrode phase
Even；Q3 drain electrode is connected with the other end of inductance, Q4 source electrode；Q4 drain electrode is connected with Q5 source electrode；Q1 drain electrode is with Q4's
The input respectively with input voltage and input current sample circuit and output voltage current sampling circuit that drains is connected, input voltage and input current
Sample circuit is connected with the output end of output voltage current sampling circuit with digital signal processor input, digital signal processor
Output is connected with isolation drive module, and the output of isolation drive module is connected with Q1, Q2, Q3, Q4 and Q5 grid.
3. integrated photovoltaic panel data acquisition device according to claim 1, it is characterised in that described input voltage electricity
Sample circuit is flowed, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, electricity is specifically included
Hinder R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity
C5, operational amplifier OP1, operational amplifier OP2, operational amplifier OP3, operational amplifier OP4, operational amplifier OP5 and
SM72295 photovoltaic full bridge drivers；PV plates positive pole and resistance R1 one end, resistance R2 one end, electric capacity C1 one end and resistance R6 one end
It is connected；Resistance R3 one end is connected with the R1 other ends, BUCK/BOOST, and the resistance R3 other ends and the C1 other ends, SM72295 photovoltaics are complete
SIA mouthfuls of bridge driver is connected；The resistance R2 other ends are connected for SOA mouthfuls with SM72295 photovoltaic full bridge drivers；SM72295 photovoltaics are complete
BIN mouthfuls of bridge driver is connected with resistance R4, and the resistance R4 other ends are connected with electric capacity C2 one end, resistance R5 one end；Operational amplifier
OP1 homophase inputs are connected with the resistance R5 other ends, electric capacity C3 one end, the electric capacity C3 other ends ground connection, operational amplifier OP1 output with
Anti-phase input, the electric capacity C2 other ends, digital signal processor DSP are connected；Operational amplifier OP2 homophase inputs and resistance R6 are another
End, resistance R7 one end are connected, and operational amplifier OP2 anti-phase inputs are exported with operational amplifier OP2, resistance R9 one end is connected；Fortune
Calculate amplifier OP3 homophase inputs with the resistance R7 other ends, resistance R8 one end, electric capacity C4 one end to be connected, the electric capacity C4 other ends and PV
Plate negative pole, the resistance R8 other ends, which are connected, to be grounded；Operational amplifier OP3 is exported and operational amplifier OP3 anti-phase inputs, resistance R10
One end is connected；Electric capacity C5 one end is connected with the resistance R9 other ends, resistance R11 one end, operational amplifier OP4 homophase inputs, resistance
The R11 other ends are grounded；Operational amplifier OP4 anti-phase inputs and the resistance R10 other ends, the electric capacity C5 other ends, resistance R12 one end,
Electric capacity C6 one end is connected；Operational amplifier OP4 outputs are connected with the resistance R12 other ends, the electric capacity C6 other ends, resistance R13 one end；
Resistance R14 one end is connected with the resistance R13 other ends, electric capacity C8 one end；Operational amplifier OP5 homophase inputs and resistance R14 are another
End, electric capacity C7 are connected, electric capacity C7 other ends ground connection；Operational amplifier OP5 is exported and operational amplifier OP5 anti-phase inputs, electric capacity
The C8 other ends, DSP are connected.
4. integrated photovoltaic panel data acquisition device according to claim 1, it is characterised in that described output voltage electricity
Flow sample circuit and input voltage and input current sample circuit is close, difference is that sampled signal comes from electric energy output module；
SM72295 photovoltaic full bridge drivers input port is SIB and SOB, and delivery outlet is BOUT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035635.4U CN206472100U (en) | 2017-01-12 | 2017-01-12 | Integrated photovoltaic panel data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035635.4U CN206472100U (en) | 2017-01-12 | 2017-01-12 | Integrated photovoltaic panel data acquisition device |
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| Publication Number | Publication Date |
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| CN206472100U true CN206472100U (en) | 2017-09-05 |
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ID=59706273
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720035635.4U Expired - Fee Related CN206472100U (en) | 2017-01-12 | 2017-01-12 | Integrated photovoltaic panel data acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019136879A1 (en) * | 2018-01-15 | 2019-07-18 | 东汉太阳能无人机技术有限公司 | Mppt controller and power supply system provided with controller |
-
2017
- 2017-01-12 CN CN201720035635.4U patent/CN206472100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019136879A1 (en) * | 2018-01-15 | 2019-07-18 | 东汉太阳能无人机技术有限公司 | Mppt controller and power supply system provided with controller |
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Granted publication date: 20170905 Termination date: 20220112 |