CN204272021U - Multichannel light photovoltaic assembly energy output test data collection system - Google Patents
Multichannel light photovoltaic assembly energy output test data collection system Download PDFInfo
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- CN204272021U CN204272021U CN201420846199.5U CN201420846199U CN204272021U CN 204272021 U CN204272021 U CN 204272021U CN 201420846199 U CN201420846199 U CN 201420846199U CN 204272021 U CN204272021 U CN 204272021U
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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
Abstract
A kind of multichannel light photovoltaic assembly energy output test data collection system, comprising: test module, for the energy output test data of test light photovoltaic assembly; Data acquisition module, for will organize test module more test result by usb communication protocol transmission to computing module; Computing module, for controlling test module work, and processes the test result data that test module obtains; Display module, for showing the test real time data of the many groups test module after computing module process and device parameter; Data acquisition module at least comprises USB HUB and some data acquisition channels.The data acquisition module of native system supports multi pass acquisition and extended channel, and test light photovoltaic assembly maximum power, computing module carries out multi-way contral by Virtual Multi-Serial mode to data acquisition module, display module shows, reach the photovoltaic module test utilizing native system to realize multiple easily extensible passage, and the outdoor generating amount comparison of different performance photovoltaic module can be realized.
Description
Technical field
The utility model relates to a kind of multichannel light photovoltaic assembly energy output test data collection system.
Background technology
In existing photovoltaic plant, the general inverter of energy output test carries out statistical metering, but the measuring accuracy of inverter and control algolithm differ greatly, be very easy to the larger change causing energy output, accurate analysis that cannot be quantitative in assembly property comparison, lacks the evaluation system of reasonable science; An assembly cannot be differentiated whether help the lifting of energy output after process change, for the outdoor generating quantity research risen at present, lack necessary detection means reliably.
Some are also had to possess the energy output tester of single channel, multi input interface handoff functionality in addition, certain poll effect can only be played, due to the change of measuring condition, cannot the real energy output characteristic of the multiple photovoltaic module of comparison, certain function for monitoring can only be played.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multichannel light photovoltaic assembly energy output test data collection system, and this system can the multiple photovoltaic module energy output of person easy to use comparison intuitively.
For solving the problems of the technologies described above, the utility model provides a kind of multichannel light photovoltaic assembly energy output test data collection system, comprising:
Test module, for the energy output test data of test light photovoltaic assembly;
Data acquisition module, for will organize test module more test result data by usb communication protocol transmission to computing module;
Computing module, for controlling the work of test module, and processes the test result data that test module obtains;
Display module, for showing the test real time data of the many groups test module after computing module process and device parameter;
Wherein, data acquisition module at least comprises USB HUB and some data acquisition channels, each data acquisition channel is connected by serial line interface with corresponding test module, and some data acquisition channels turn serial port circuit access USB HUB respectively by USB, and USB HUB is connected with computing module.
As preferred version of the present utility model, data acquisition module also comprises encoder, and encoder carries out encoding setting to described test module physical location, guarantees that serial interface devices number carries out one_to_one corresponding with the numbering of data acquisition channel.
In order to clearer understanding technology contents of the present utility model, below by this multichannel light photovoltaic assembly energy output test data collection system referred to as native system.
Native system can obtain the energy output characteristic of multiple photovoltaic module simultaneously, wherein the power test of each photovoltaic module adopts IV curve method of testing test light photovoltaic assembly maximum power, guarantee the repeatability of test result, and to carry out the energy output comparison in difference between different assembly with base reference for the moment, preserve the test record of original I V curve.
In order to synchronous multiple channel test result, the data acquisition module of native system utilizes the attributes of network of usb bus to support multi pass acquisition and extended channel, and realize IV curve method of testing test light photovoltaic assembly maximum power, computing module carries out multi-way contral by Virtual Multi-Serial mode to data acquisition module, base during unified test, and in the enterprising row operation display of display module, support the 6 above test channel in road, on computing module, design software realizes energy output benchmark comparing function.
The beneficial effects of the utility model are, native system can be utilized to realize the photovoltaic module test of multiple easily extensible passage, and can realize the outdoor generating amount comparison of different performance photovoltaic module.
Encoder is added in data acquisition module, realize the hardware encoding to test module, and make hardware encoding to be read in internal storage preservation in initialization with embedded software, by virtual serial port to data acquisition channel query facility coding, realize the one-to-one relationship of the hardware encoding of virtual serial port and test module.
Accompanying drawing explanation
Fig. 1 is electrical design schematic diagram of the present utility model.
Fig. 2 is the software interface schematic diagram of the utility model embodiment.
Embodiment
As shown in Figure 1
Native system comprises test module, data acquisition module, computing module, display module.
Test module (Tester) is independently solar cell IV curve tester.
Data acquisition module (Calculate Module) comprises USB HUB, some data acquisition channels, encoder, each data acquisition channel is connected by serial line interface with corresponding test module, some data acquisition channels are respectively by USB(USB) turn serial port circuit access USB HUB, USB HUB(USB (universal serial bus) hub) be connected with computing module; Encoder carries out encoding setting to test module physical location;
In data acquisition module, data acquisition channel (channels) adopts 51 single-chip microcomputer designs, serial line interface is externally provided to export for sampled data, the corresponding serial ports of each like this data acquisition channel, in data acquisition module, rs 232 serial interface signal turns in serial port circuit access USB HUB through specially designed USB, according to usb communication agreement, 127 tunnel USB interface expansions can be supported at most, just mean that this can expand at most 127 tunnel test channel.
Computing module (Calculate Module) adopts x86 hardware platform, run windows xp or windows 7 system, USB HUB is accessed computing module, the driver that USB turns serial port circuit is installed in computing module, virtual serial port can be seen in windows system, be associated with the serial ports of the channel acquisition module in data acquisition module, so just possesses multichannel communication controlling functions, device number due to virtual serial port has certain randomness, can not mate with the channel number of physical channel, encoder is devised at data acquisition channel, encoding setting can be carried out when mounted according to hardware actual installation position, and read in internal storage when initialization by data acquisition channel plug-in and preserve, inquire about to data acquisition channel when computing module performs initialization command, the numbering of virtual serial port device number and data acquisition channel is carried out one_to_one corresponding.
In computing module, devise command response mechanism, utilize the multi-thread mechanism of windows platform, the multichannel serial simultaneously to slave computer sends test command, being interrupted by serial ports in data acquisition channel can response test order in time, has so just ensured the synchronous initiation tested.
The real-time maximum power of IV curve method of testing test light photovoltaic assembly is adopted in native system, wait tests into whole channel data and returns, and after calculating this passage photovoltaic module actual power, just can circulate and perform next test period, ensure that multichannel real-time and consistency, multichannel testing time benchmark be carried out synchronous, on this basis, realize the curve display over time of generating value, finally, show at display module (Display Terminal).
The display that display module can select PC to hold.
In addition, in computing module, design is as Fig. 2 application software, support that every channel components energy output is monitored continuously, and can using the energy output of one of them passage as test benchmark, show the ratio of other several passages relative to reference channel energy output, the ratio variation tendency of energy output between each passage of reflection directly perceived.
Solar cell IV curve tester is commercially available matured product.
Above-described is only a kind of execution mode of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model principle; can also make some modification and improvement, these also should be considered as belonging to protection range of the present utility model.
Claims (2)
1. a multichannel light photovoltaic assembly energy output test data collection system, its feature comprises:
Test module, for the energy output test data of test light photovoltaic assembly;
Data acquisition module, for will organize test module more test result data by usb communication protocol transmission to computing module;
Computing module, for controlling the work of test module, and processes the test result data that test module obtains;
Display module, for showing the test real time data of the many groups test module after computing module process and device parameter;
Wherein, data acquisition module at least comprises USB HUB and some data acquisition channels, each data acquisition channel is connected by serial line interface with corresponding test module, and some data acquisition channels turn serial port circuit access USB HUB respectively by USB, and USB HUB is connected with computing module.
2. multichannel light photovoltaic assembly energy output test data collection system according to claim 1, is characterized in that:
Described data acquisition module also comprises encoder, and encoder carries out encoding setting to described test module physical location, guarantees that serial interface devices number carries out one_to_one corresponding with the numbering of data acquisition channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846199.5U CN204272021U (en) | 2014-12-25 | 2014-12-25 | Multichannel light photovoltaic assembly energy output test data collection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420846199.5U CN204272021U (en) | 2014-12-25 | 2014-12-25 | Multichannel light photovoltaic assembly energy output test data collection system |
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| CN204272021U true CN204272021U (en) | 2015-04-15 |
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| CN201420846199.5U Expired - Fee Related CN204272021U (en) | 2014-12-25 | 2014-12-25 | Multichannel light photovoltaic assembly energy output test data collection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467668A (en) * | 2014-12-25 | 2015-03-25 | 中国电子科技集团公司第四十一研究所 | Multi-channel photovoltaic module generating capacity test data collection system |
| CN105305960A (en) * | 2015-12-02 | 2016-02-03 | 蚌埠电子信息产业技术研究院 | Photovoltaic system series-parallel mismatch loss ratio test device and test method thereof |
| CN106597294A (en) * | 2016-11-16 | 2017-04-26 | 深圳市共济科技股份有限公司 | System for monitoring storage battery in machine room |
| CN111817665A (en) * | 2020-06-10 | 2020-10-23 | 武汉理工大学 | Solar panel detection device and method |
-
2014
- 2014-12-25 CN CN201420846199.5U patent/CN204272021U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467668A (en) * | 2014-12-25 | 2015-03-25 | 中国电子科技集团公司第四十一研究所 | Multi-channel photovoltaic module generating capacity test data collection system |
| CN105305960A (en) * | 2015-12-02 | 2016-02-03 | 蚌埠电子信息产业技术研究院 | Photovoltaic system series-parallel mismatch loss ratio test device and test method thereof |
| CN105305960B (en) * | 2015-12-02 | 2018-08-03 | 蚌埠电子信息产业技术研究院 | A kind of the connection in series-parallel mismatch loss rate test device and its test method of photovoltaic system |
| CN106597294A (en) * | 2016-11-16 | 2017-04-26 | 深圳市共济科技股份有限公司 | System for monitoring storage battery in machine room |
| CN111817665A (en) * | 2020-06-10 | 2020-10-23 | 武汉理工大学 | Solar panel detection device and method |
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Effective date of registration: 20190315 Address after: 266000 No. 98 Xiangjiang Road, Huangdao District, Qingdao City, Shandong Province Patentee after: CHINA ELECTRONICS TECHNOLOGY INSTRUMENTS Co.,Ltd. Address before: 233006 Mailbox 101, 726 Zhengzheng Road, Bengbu City, Anhui Province Patentee before: THE 41ST INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |