CN201413353Y - Data acquisition tester for miniature photovoltaic system - Google Patents
Data acquisition tester for miniature photovoltaic system Download PDFInfo
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- CN201413353Y CN201413353Y CN2009200804267U CN200920080426U CN201413353Y CN 201413353 Y CN201413353 Y CN 201413353Y CN 2009200804267 U CN2009200804267 U CN 2009200804267U CN 200920080426 U CN200920080426 U CN 200920080426U CN 201413353 Y CN201413353 Y CN 201413353Y
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Abstract
The utility model relates to a solar photovoltaic system, in particular to a data acquisition tester for a miniature photovoltaic system. A sensor is connected with the input end of a transmitter through a sensor terminal board; the output end of the transmitter is connected with the input end of a signal conditioning board; the output end of the signal conditioning board is connected with the input end of a filter; the output end of the filter is connected with a microporocessor control board; the output end of the microporocessor control board is connected with a SD card interface board; andthe output end of the microporocessor control board is connected with an upper computer and also connected with a display. The utility model has the advantages of small equipment volume, low cost, light weight, convenient and simple use, no area and condition restriction, no additional power source and flexible and convenient use and can test the efficiency of the photovoltaic system.
Description
Technical field
The utility model relates to a kind of solar energy photovoltaic system, specifically relates to a kind of low profile photovoltaic system data collecting test instrument that the low profile photovoltaic electricity generation system is detected of being used for.
Background technology
Fast development along with the new forms of energy cause, the monitoring system of solar electrical energy generation also produces in succession, such as: " the small-sized independent photovoltaic real-time data acquisition monitoring system " of " solar photovoltaic generating system of the Chinese Academy of Sciences and the development of wind generator system quality testing center ".
This system is built in independent photovoltaic generating (PV) system of a 150W.Host computer adopts the PC of a Celeron 400, is equipped with the 64M internal memory, color monitor, LPTx ports, standard mouse and keyboard at 15 o'clock.Front end data acquisition adopts sensor, conditioning plate, general terminal strip and A/D capture card to constitute the complete monitoring system of a cover.
The parameter of this system acquisition has: the input voltage of the output voltage of the temperature of the solar irradiance on the total solar irradiance of surface level, systems array surface, outdoor temperature, photovoltaic module, battery temp, photovoltaic array, electric current, battery tension, electric current, inverter input voltage, electric current, DC load, electric current, inverter output voltage, electric current etc.
Collection capacity is that per minute is gathered 10 secondary data in this system, obtains mean value, preserves the mean value of per minute; In gatherer process, set out appropriate threshold, thereby can judge exceptional value, make its calculating of not participating in mean value, and can store separately the moment of this value and generation thereof by different acquisition parameters is carried out valuation.
Sensor related in this monitoring system has: voltage sensor, current sensor, intelligence sensor, temperature sensor and conditioning plate, irradiatometer etc.
Voltage sensor is used to gather output voltage, battery tension, the inverter input voltage of photovoltaic array, the input voltage of DC load.Adopting electromagnetism modulation type separation principle, effectively overcome DC-shift, because the input voltage of A/D collection plate requires to be ± 5V, is 0～5V so require the output voltage of voltage sensor, and precision reaches 0.2 grade.
Current sensor is used to gather output current, battery current, the input current of inverter of photovoltaic array, the input current of DC load, its principle is the same with voltage sensor, the sensor that to survey bidirectional current, 0.2 grade of precision have been adopted when measuring battery current.
Intelligence sensor is used to gather output voltage, electric current, useful power (electric degree), reactive power (electric degree), the power factor of inverter.Sensor has adopted high-performance MCU, the full isolation, and the precision height, the RS485 bus is adopted in its output, can carry out data communication with PC after the RS485/RS232 conversion.
That temperature sensor and conditioning plate are used to gather is outdoor, the temperature of photovoltaic module and accumulator.Adopt Pt100 thermal resistance device.The A/D capture card is sent into the voltage signal that the resistance conditioning plate obtains 0～5V in the rear end.Three-way constant current exciting mode is adopted in the measurement of thermal resistance.
Irradiatometer is used to measure the total solar irradiance of surface level and the irradiance on photovoltaic array surface.Because the output of irradiatometer is the weak electric signal of a mV level, after amplifying plate, make the voltage signal of exporting 0～5V, small-signal of back termination sends into the A/D capture card.The A/D capture card is applicable to the PC with isa bus, and analog input channel is 32 single-ended.
Computer part
The quantity of information that obtains from sensor acquisition will all be delivered to this part and carry out data processing and demonstration.PC is operating system with WINDOW2000, after entering the monitoring system program, when browsing each interface, carry out the back-end data collecting work, time period according to prior setting on the interface can be observed real time data, the keeping records work of data is also carried out simultaneously according to setting, The software power control configuration software.
This system exists some problems and shortcoming:
1) this monitoring system is to give PC with the signal that collects on the sensor by conditioning plate, then by PC to signal show, sequence of operations such as printing, storage.In a cover monitoring system, supporting PC, display, printer and storage card etc. must be arranged, can not realize off-line operation, and general small-sized independent photovoltaic power supply is used in some remote areas without electricity often, the power supply of these equipment such as display, printer is provided provide in these places, operate also more complicated, and be not easy to mobile use, this will influence the usable range of monitoring system greatly, and the cost of whole monitoring system is also very high.
2) in 15 tunnel parameters of this system monitoring, wherein the input voltage of the voltage of the voltage of accumulator, DC load and inverter all equates usually, promptly is the voltage of accumulator, during measurement, only surveys a road getting final product wherein.
3) in above parameter measurement, do not measure the power consumption of monitoring system and photovoltaic system self, the generated energy of solar cell, the power consumption of user side and the efficient of photovoltaic system etc.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, provide a kind of and carry out data test/collection, display system major parameter, on-the-spot time set, with the computer realization serial communication, support the online storage of high capacity, data sometime carried out the low profile photovoltaic system data collecting test instrument of query manipulation.
A kind of low profile photovoltaic system data of the utility model collecting test instrument is achieved by following technical proposals: a kind of low profile photovoltaic system data of the utility model collecting test instrument comprises sensor, signal regulating panel, storage card, SD clamping oralia, the microprocessor control panel, LCDs, keypad, host computer, described sensor comprises photovoltaic module output current sensor, the charging current sensor of accumulator, the battery discharging current sensor, controller output current sensor, inverter output current sensor, the photovoltaic module output voltage sensor, the battery tension sensor, the inverter output voltage sensor, photovoltaic array back of the body junction temperature sensor, Battery temperature probe, solar module surface emissivity meter, environmental radiometer, described sensor by the sensor terminal block respectively with the photovoltaic array output voltage BSQ1 of transmitter, battery tension signal input BSQ2, inverter output voltage signal input BSQ3, photovoltaic array output current BSQ4, controller output current signal input BSQ5, charge in batteries current signal input BSQ6, inverter output current signal input BSQ7, battery discharging current signal input BSQ8, battery-operated temperature signal input BSQ9, photovoltaic module back side junction temperature signal input BSQ10, cell panel surface emissivity meter BSQ11 is connected with environmental radiometer BSQ12 input end, described BSQ1～BSQ12 output terminal is connected with the signal regulating panel input end, signal regulating panel output terminal 12 tunnel 44～55 is connected with wave filter LBQ1～LBQ12 input end respectively, filter output 12 tunnel 58～69 is connected with 1～12 pin of the sampling channel J7 of microprocessor input end MSP430FG4619, microprocessor control panel output terminal J8 is connected with SD clamping oralia by the SP1 pattern, and described microprocessor control panel output terminal J6 is connected with host computer by the TS-232 serial ports; Described microprocessor control panel output terminal J5 is connected with display, and described microprocessor control panel output terminal J4 is connected with keypad.
A kind of low profile photovoltaic system data of the utility model collecting test instrument has following beneficial effect compared with prior art: the utility model low profile photovoltaic system data collecting test instrument can realize data test, collection, display system major parameter, the setting of on-the-spot time, with the computer realization serial communication, support the online storage of high capacity, data sometime such as inquired about at function, the parameter of can measure, gathering comprises irradiance, temperature, electric current, voltage, power, generated energy and power consumption etc.Because the utility model is to design at high and cold remote nothing electricity display, the area of printer apparatus shortage, unmanned can be accomplished by the utility model system, the storage of off-line high capacity.Set storage time by keypad, all supplemental characteristics are collected storage card, the testing staff can be flowed photovoltaic system is detected, and host computers such as notebook computer can be connected with microprocessor by the RS232 interface when the time comes, just can obtain system test data.
The advantage of a kind of low profile photovoltaic system data of the utility model collecting test instrument is:
1) need not be equipped with a series of equipment such as PC, printer, display, volume is little, cost is low, in light weight, easy to use, the restriction that simply, is not subjected to area and condition.
2) the MSP430FG4619 single-chip microcomputer is the control core of total system, and the main task that it is finished is each parts operate as normal etc. in the communicating by letter of collection, processing, demonstration, storage, inquiry and system and host computer, system of data.
3) all involved power supplys are all provided by the accumulator in the control system in the utility model, not any power source that need add.
4) monitoring system both can detect the power consumption of self as the load of control system, can detect the oneself power consumption of photovoltaic system again, so just can record the efficient of photovoltaic system, used flexible, easy.
Description of drawings
The utility model low profile photovoltaic system data collecting test instrument has following accompanying drawing:
Fig. 1 is the data acquisition of the utility model low profile photovoltaic system data collecting test instrument, becomes and send and the signal conditioning circuit structural representation;
Fig. 2 is the utility model low profile photovoltaic system data collecting test instrument data-signal filter circuit construction synoptic diagram;
Fig. 3 is the utility model low profile photovoltaic system data collecting test instrument microcontroller circuit structural representation;
Fig. 4 is the utility model low profile photovoltaic system data collecting test instrument direct current indicator light circuit structural representation;
Fig. 5 is the utility model low profile photovoltaic system data collecting test instrument system working power circuit structural representation;
Fig. 6 is the utility model low profile photovoltaic system data collecting test instrument voltage conversion circuit structural representation;
Fig. 7 is that the utility model low profile photovoltaic system data collecting test instrument exchanges the indicator light circuit structural representation;
Fig. 8 is the utility model low profile photovoltaic system data collecting test instrument theory diagram;
Fig. 9 is the use and the host computer function implementation structure block diagram of the concrete control of the utility model low profile photovoltaic system data collecting test instrument.
Wherein: 1, sensor; 2, signal regulating panel; 3, storage card; 4, microprocessor control panel; 5, LCDs; 6, keypad; 7, host computer; 8, SD clamping oralia; 11, line bank; 12, transmitter; 21, wave filter;
Embodiment
Below in conjunction with drawings and Examples a kind of low profile photovoltaic system data of the utility model collecting test instrument technical scheme is further described.
The utility model low profile photovoltaic system data tester comprises sensor 1, signal regulating panel 2, storage card 3, microprocessor control panel 4, LCDs 5, keypad 6, host computer 7, SD clamping oralia, the sensor 1 of described part of data acquisition comprises photovoltaic module output current sensor, the charging current sensor of accumulator, the battery discharging current sensor, controller output current sensor, inverter output current sensor, the photovoltaic module output voltage sensor, the battery tension sensor, the inverter output voltage sensor, photovoltaic array back of the body junction temperature sensor, Battery temperature probe, solar module surface emissivity meter, environmental radiometer, described sensor 1 by sensor terminal block 11 respectively with the photovoltaic array output voltage BSQ1 of transmitter 12, battery tension signal input BSQ2, inverter output voltage signal input BSQ3, photovoltaic array output current BSQ4, controller output current signal input BSQ5, charge in batteries current signal input BSQ6, inverter output current signal input BSQ7, battery discharging current signal input BSQ8, battery-operated temperature signal input BSQ9, photovoltaic module back side junction temperature signal input BSQ10, cell panel surface emissivity meter BSQ11 is connected with cell panel environmental radiometer BSQ12 input end, described BSQ1～BSQ12 output terminal is connected with signal regulating panel 2 input ends, signal regulating panel 2 output terminals 12 tunnel 44～55 are connected with wave filter 21LBQ1～LBQ12 input end respectively, wave filter 21 output terminals 12 tunnel 58～69 are connected with 1～12 pin of the sampling channel J7 of microprocessor 4 input end MSP430FG4619, microprocessor control panel 4 output terminal J8 are connected with SD clamping oralia 8 by the SP1 pattern, and described microprocessor control panel 4 output terminal J6 are connected with host computer 7 by the TS-232 serial ports; Described microprocessor control panel 4 output terminal J5 are connected with display 5, and described microprocessor control panel 4 output terminal J4 are connected with keypad 61.
Described sensor 1 comprises the current transducer of measuring electric current, the voltage transmitter of measuring voltage, the temperature transmitter of measurement temperature, the radiometer of measurement irradiance; Described display 5 is 12864 Chinese character image dot matrix lcd modules; The SD card that described storage card 3 is 1G.
The multichannel collecting of described microprocessor control panel 4 adopts 12 A/D modular converters; Described host computer 7 uses control to comprise TEXT control, MSComm control, SSTab control, Adodc control, MSChart control, DBGrid control, Timer control, wherein the Adodc control links data and MSChart control, DBGrid control induction in the database, and the ACCESS database is linked.
The tester of the utility model low profile photovoltaic system data part of data acquisition comprises sensor 1, signal regulating panel 2, storage card 3, microprocessor control panel 4, LCDs 5, keypad 6, host computer 7, SD clamping oralia 8, the sensor 1 of described part of data acquisition comprises photovoltaic module output current sensor, the charging current sensor of accumulator, the battery discharging current sensor, controller output current sensor, inverter output current sensor, the photovoltaic module output voltage sensor, the battery tension sensor, the inverter output voltage sensor, photovoltaic array back of the body junction temperature sensor, Battery temperature probe, solar module surface emissivity meter, environmental radiometer, described sensor 1 by sensor terminal block 11 respectively with the photovoltaic array output voltage BSQ1 of transmitter 12, battery tension signal input BSQ2, inverter output voltage signal input BSQ3, photovoltaic array output current BSQ4, controller output current signal input BSQ5, charge in batteries current signal input BSQ6, inverter output current signal input BSQ7, battery discharging current signal input BSQ8, battery-operated temperature signal input BSQ9, photovoltaic module back side junction temperature signal input BSQ10, cell panel surface emissivity meter BSQ11 is connected with cell panel environmental radiometer BSQ12 input end, described BSQ1～BSQ12 output terminal is connected with signal regulating panel 2 input ends, signal regulating panel 2 output terminals 12 tunnel 44～55 are connected with wave filter 21LBQ1～LBQ12 input end respectively, wave filter 21 output terminals 12 tunnel 58～69 are connected with 1～12 pin of the sampling channel J7 of microprocessor control panel 4 input end MSP430FG4619, microprocessor control panel 4 output terminal J8 are connected with SD clamping oralia 8 by the SP1 pattern, and described microprocessor control panel 4 output terminal J6 are connected with host computer 7 by the TS-232 serial ports; Described microprocessor control panel 4 output terminal J5 are connected with display 5, and described microprocessor control panel 4 output terminal J4 are connected with keypad 61.
Described sensor 1 comprises the current transducer of measuring electric current, the voltage transmitter of measuring voltage, the temperature transmitter of measurement temperature, the radiometer of measurement irradiance; Described display 5 is 12864 Chinese character image dot matrix lcd modules; The SD card that described storage card 3 is 1G.
The multichannel collecting of described microprocessor control panel 4 adopts 12 A/D modular converters; Described host computer 7 uses control to comprise TEXT control, MSComm control, SSTab control, Adodc control, MSChart control, DBGrid control, Timer control, wherein the Adodc control links data and MSChart control, DBGrid control induction in the database, and the ACCESS database is linked.
The utility model low profile photovoltaic system data collecting test instrument carries out collecting test by comprising the current transducer of measuring electric current to the photovoltaic system data, the voltage transmitter of measuring voltage, measure the temperature transmitter of temperature, the radiometer of measuring irradiance at interior sensor 1 respectively to the output current of photovoltaic module, the charging and discharging of accumulator electric current, controller output current and inverter output current are measured and will be measured current parameters, voltage parameter, temperature parameter and irradiance parameter 12 tunnel analog quantitys are gathered, and pass through current transducer, voltage transmitter and temperature transmitter are with current parameters, the current signal linear that voltage parameter and temperature parameter convert 4-20mA to exports signal regulating panel 2 to, the voltage signal that signal regulating panel 2 converts the current signal of the 4-20mA that the receives resistance by 125 Ω to 0.5V～2.5V flows to microprocessor 4 and handles, the current/voltage trueness error is less than 0.5%, and the temperature signal trueness error is no more than ± and 0.5 ℃; Give the isolated amplifier that is arranged in signal regulating panel 2 circuit by irradiatometer output mV level signal conveys, flow to microprocessor control panel 4 by the voltage signal of the isolated amplifier output 0～2.5V sampling channel by microprocessor control panel 4, sensitivity is determined according to different radiometers self parameter; Between the microprocessor control panel 4 data parameters that collects is calculated and revised, and the parameter after microprocessor control panel 4 is handled is write the parameter type matrix and sent signal to LCD by 12864 Chinese character figure dot matrix lcd modules and is shown on the LCDs 5; Use SP1 pattern to write SD storage card 3 by the USART module of microprocessor control panel 4 through each data parameters that microprocessor control panel 4 is handled with bi-directional data transportation protocol; Microprocessor control panel 4 carries out communication by SP220E type transceiver module and RS-232 serial ports and host computer 7, will send to host computer 7 through the supplemental characteristic that microprocessor control panel 4 is handled; Utilize the general modfel of keypad 6 that system time is set, enter data parameter acquisition after, use the interrupt mode of keypad to utilize page turning key that LCDs 5 is operated.
The ADO control of described host computer 7 can link the data in the database and MSChart control, DBGrid control induction, simultaneously ACCESS data of database table is carried out data manipulation; The Timer control write the data among the Labe1 in the database every 1 minute; The MSComm control is realized the communication between host computer 7 and the microprocessor control panel 4.
Described processing is meant that 4 per 2 seconds of microprocessor control panel to 12 parameter acquisitions once, all store among the RAM earlier to image data after treatment in the array mode, these data were asked on average in per 1 minute, obtain a minute data, store in the buffer memory array among the RAM.
After described storage is meant that the data of 4 pairs of collections of microprocessor control panel are handled, store into earlier in the buffer memory array among the RAM, these data were write the SD card in per 12 minutes in the array mode.
In the described method of testing 1) data acquisition step, 2) treatment step, 3) step display and 4) but the storing step operator-less carry out; Described communication step is that not timing is carried out; Described direct current with exchange the product of output power and be presented on the liquid crystal display 5 by 4 pairs of corresponding electric currents of microprocessor control panel and voltage.Current parameters
The output current, the charging and discharging of accumulator electric current that comprise photovoltaic module, controller output current and inverter output current etc. five tunnel.Current transducer is adopted in the measurement of electric current, this type of transmitter is to become the current signal linear of 4-20mA to export signal regulating panel to the current conversion in the rated current scope, the voltage signal that signal regulating panel is converted to 0.5V-2.5V with the current signal of the 4-20mA that the receives resistance by 125 Ω is given single-chip microcomputer and is handled, and trueness error is all less than 0.5%.
Voltage parameter
Comprise the output voltage of photovoltaic module, the voltage of accumulator and the ac output voltage three tunnel of inverter, the same with current transducer, this type of transmitter is the current signal linear output that the voltage transitions in the range of nominal tension is become 4-20mA, the signal of output is given single-chip microcomputer through same processing and is handled, and trueness error is all less than 0.5%;
Temperature parameter
Comprise photovoltaic array back of the body junction temperature and battery-operated temperature, temperature transmitter converts temperature signal the current signal of 4-20mA to, gives single-chip microcomputer by same disposal route then and handles, and the signal accuracy error is no more than ± and 0.5 ℃;
The irradiance parameter
Comprise solar module surface and environment irradiance two-way, radiometer is adopted in the measurement of irradiance, give single-chip microcomputer with the weak signal of the mV level of radiometer output by the voltage signal of the output of the isolated amplifier on signal regulating panel 0-2.5V and handle, sensitivity is determined according to different radiometers self parameter;
Power parameter comprises direct current and exchanges the output power two-way.This two-way power is shown on the liquid crystal display by the product that calculates corresponding current/voltage.
The selection of microprocessor
The single-chip microcomputer that adopts in the utility model is MSP430FG4619.Vital task such as each parts operate as normal in the communicating by letter of data acquisition when it undertakes really as the central processing unit of system and processing, demonstration, storage, inquiry and system and host computer, the system.Its feature has: peripheral module, convenient development environment efficiently etc. on powerful processing power, high arithmetic speed, multiple interrupt source, super low-power consumption, the abundant sheet.
Gather
12 tunnel analog quantitys such as voltage, electric current, temperature, irradiance enter by the sampling channel of MSP430FG4619, and per 2 seconds of single-chip microcomputer is to each road analog quantity circle collection ten times, and each acquisition channel obtains 10 data.
Handle
Per 10 voltages, electric current and temperature datas that collected in two seconds are averaged, mainly be to find 5 the most close in 10 data data to average, can remove the data that produce because of extraneous high frequency interference like this, thereby improved data precision, again this secondary data and preceding two data of two seconds are on average come PERIODIC INTERFERENCE is carried out inhibiting effect, improve the data smoothing degree, thereby obtain new data, this is just as this secondary data.Calculate according to different separately formula again, obtain real data, release the error correction function according to actual nonlinearity erron at last the irresistible error of hardware is revised, so that reach accurate data more.
Show
Owing in this project, will show a large amount of data of gathering in real time on the slave computer, not merely numeral or character, consider the specific (special) requirements of demonstration, we have selected 12864 Chinese character image dot matrix lcd modules.Utilize single-chip microcomputer to send that the I/O mouth sends control signal and data are operated LCD, compile out the type matrix of each word,, just can show different pictures after order and control signal send to LCD the character pattern data of different words with Zemo.Cycle according to image data is 2 seconds, so the lcd screen data refreshed once in per 2 seconds.
Storage
This project demand has jumbo card data memory device, to realize the long-term test/collection and the online storage of data, for realizing this purpose, the SD card of selecting 1G is as online memory device, MSP430FG4619 is by SPI pattern and SD card connection, and SPI is a kind of transportation protocol of bi-directional data fast and efficiently.MSP430 can use the USART module to receive and send data under the SPI pattern.After the data of gathering are handled, also to store, with convenient demonstration, transmission etc.According to design, system per 2 seconds to 12 parameter acquisitions once, after treatment, the data of gathering are all left in earlier in the array mode be stored among the RAM, these data were asked on average in per 1 minute, obtain a minute data, store in the buffer memory array among the RAM, these data were write the SD card in per 12 minutes, every day, size of data was 60KB as calculated.
Communication
In the application of reality, after slave computer is finished functions such as the data, processing, storage, demonstration of collection, and exist lot of data between the host computer and communicate by letter.Therefore selected SP220E type transceiver module.Communication between slave computer and the host computer realizes by the RS-232 serial ports.The serial communication program is mainly finished uploading and assigning of data.After single-chip microcomputer receives effective token, begin host computer is read and sent to sectors of data of SD card, wait for next effectively token again, carry out so repeatedly.
Keyboard
Keyboard is divided into two kinds of patterns, general I/O mouth pattern and interrupt mode, and general I/O mouth pattern is to judge key assignments by the level of keyboard scan ranks; Interrupt mode is that the interrupt function of utilizing the I/O mouth is made response to the variation of level and judged whether button is pressed.Bring into use general I/O pattern, system time be set, enter collection after, change interrupt mode into, this moment have only page turning key effective, other keys are invalid, utilize page turning key that liquid crystal is operated.
The software design of host computer
Real-time Communication for Power, the real time data that upper computer software need be finished the independent photovoltaic generating system data shows, the database storing state shows, the correlation curve image of real time data shows data storage, functions such as data derivation.The host computer interface of this system is based on the design of VB program language, mainly uses control to have: TEXT control, MSComm control, SSTab control, Adodc control, MSChart control, DataGrid control, Timer control etc.Can observe on the one hand the real time data of each data collection point in the main Interface Design, on the other hand can by click the SSTab control watch the correlation curve figure that respectively organizes real time data and real time data the ACCESS database store status.
Use several non-visible controls in the whole design: ADO control, Timer control, MSComm control.The ADO control is the bridge that database is connected to forms, on the one hand data and MSChart control, DBGrid control induction in the database is linked, and by this control ACCESS data of database table is carried out data manipulation on the other hand; The Timer control plays the timing effect, realizes every 1 minute the data among the Labe1 being write in the database; The major function of MSComm control is to have realized host computer and slave computer communication.
Claims (3)
1, a kind of low profile photovoltaic system data collecting test instrument, comprise sensor (1), signal regulating panel (2), storage card (3), microprocessor control panel (4), LCDs (5), keypad (6), host computer (7), SD clamping oralia (8), it is characterized in that: described sensor (1) comprises photovoltaic module output current sensor, the charging current sensor of accumulator, the battery discharging current sensor, controller output current sensor, inverter output current sensor, the photovoltaic module output voltage sensor, the battery tension sensor, the inverter output voltage sensor, photovoltaic array back of the body junction temperature sensor, the battery-operated temperature sensor, solar module surface emissivity meter, environmental radiometer, described sensor (1) by sensor terminal block (11) respectively with the photovoltaic array output voltage BSQ1 of transmitter (12), battery tension signal input BSQ2, inverter output voltage signal input BSQ3, photovoltaic array output current BSQ4, controller output current signal input BSQ5, charge in batteries current signal input BSQ6, inverter output current signal input BSQ7, battery discharging current signal input BSQ8, battery-operated temperature signal input BSQ9, photovoltaic module back side junction temperature signal input BSQ10, cell panel surface emissivity meter BSQ11 is connected with cell panel environmental radiometer BSQ12 input end, described BSQ1～BSQ12 output terminal is connected with signal regulating panel (2) input end, signal regulating panel (2) output terminal 12 tunnel 44～55 is connected with wave filter (21) LBQ1～LBQ12 input end respectively, wave filter (21) output terminal 12 tunnel 58～69 is connected with 1～12 pin of the sampling channel J7 of microprocessor (4) input end MSP430FG4619, microprocessor (4) output terminal J8 is connected with SD clamping oralia (8) by the SP1 pattern, and described microprocessor control panel (4) output terminal J6 is connected with host computer (7) by the TS-232 serial ports; Described microprocessor control panel (4) output terminal J5 is connected with display (5), and described microprocessor control panel (4) output terminal J4 is connected with keypad (6).
2, low profile photovoltaic system data collecting test instrument according to claim 1, it is characterized in that: described sensor (1) comprises the current transducer of measuring electric current, the voltage transmitter of measuring voltage, the temperature transmitter of measurement temperature, the irradiatometer of measurement irradiance; Described display (5) is 12864 Chinese character image dot matrix lcd modules; Described storage card (3) is the SD card of 1G.
3, low profile photovoltaic system data collecting test instrument according to claim 1 is characterized in that: the multichannel collecting of described microprocessor control panel (4) adopts 12 A/D modular converters; Described host computer (7) uses control to comprise TEXT control, MSComm control, SSTab control, Adodc control, MSChart control, DBGrid control, Timer control, wherein the Adodc control links data and MSChart control, DBGrid control induction in the database, and the ACCESS database is linked.
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| CN103292839A (en) * | 2012-12-27 | 2013-09-11 | 北京唯绿建筑节能科技有限公司 | Solar photovoltaic power generation monitoring system with communication function |
| CN103389417A (en) * | 2012-05-09 | 2013-11-13 | 上海太阳能工程技术研究中心有限公司 | Data monitoring and acquiring device of small photovoltaic power generation system |
| CN103986416A (en) * | 2014-03-31 | 2014-08-13 | 国家电网公司 | Portable photovoltaic assembly monitoring end |
| WO2015010352A1 (en) * | 2013-07-24 | 2015-01-29 | 友达光电股份有限公司 | Solar power generation system, measurement module and positioning method |
| CN104614070A (en) * | 2015-01-06 | 2015-05-13 | 国家电网公司 | Multi-spectral measurement type light resource monitoring method and system |
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- 2009-04-23 CN CN2009200804267U patent/CN201413353Y/en not_active Expired - Fee Related
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| CN103986416A (en) * | 2014-03-31 | 2014-08-13 | 国家电网公司 | Portable photovoltaic assembly monitoring end |
| CN103986416B (en) * | 2014-03-31 | 2016-05-11 | 江苏省电力公司盐城供电公司 | A kind of portable light photovoltaic assembly monitoring side |
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| CN106199163A (en) * | 2016-06-21 | 2016-12-07 | 广东技术师范学院 | Photovoltaic system battery current monitoring device |
| CN106548613A (en) * | 2016-11-02 | 2017-03-29 | 中国人民解放军理工大学 | For the region microwave link networking signal pickup assembly and method of Rainfall estimation |
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