CN103245902B - System and method for detecting parameters of solar photovoltaic cell module on line - Google Patents
System and method for detecting parameters of solar photovoltaic cell module on line Download PDFInfo
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- CN103245902B CN103245902B CN201310183616.2A CN201310183616A CN103245902B CN 103245902 B CN103245902 B CN 103245902B CN 201310183616 A CN201310183616 A CN 201310183616A CN 103245902 B CN103245902 B CN 103245902B
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- 238000004891 communication Methods 0.000 claims description 7
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Abstract
The invention provides a system and a method for detecting parameters of a solar photovoltaic cell module on line, which comprises a plurality of solar photovoltaic cell module parameter detection units and a base station data processing unit, wherein the solar photovoltaic cell module parameter detection units are integrated with a self-variable load circuit, an isolation driving circuit, a first wireless receiving and transmitting circuit, a high-speed AD conversion circuit, a memory and a microprocessor, and the self-variable load circuit, the isolation driving circuit, the first wireless receiving and transmitting circuit, the high-speed AD conversion circuit and the memory are all connected with the microprocessor; the base station data processing unit comprises a second wireless transceiving circuit and a main control device. The invention solves the problems existing in the performance online detection of the solar photovoltaic cell module in the existing solar power station, and the miniaturized photovoltaic cell module detection unit can be integrated into the solar photovoltaic cell module to realize online monitoring.
Description
Technical field
The invention belongs to solar photovoltaic battery component at travel line detection field, particularly a kind of system of on-line checkingi solar photovoltaic battery component parameter and detection method.
Background technology
Bored and lonely along with non-renewable energy resources such as oil, natural gas, coals, the mankind start increased capital and drop into, Application and Development new forms of energy.Solar energy is sustainable as one, clean energy resource, obtains flourish.In solar power station, the Parameters variation of solar photovoltaic battery component directly affects security of operation, the grid connection efficiency of solar power station, therefore has great importance to solar photovoltaic battery component fast detecting each in solar power station.
Battery component due to solar power station detects and will ensure to affect minimum on operational system, adopts online measuring technique to become preferred version.The various solar cell parameter detecting instrument of SGC series comprising Xi'an Communications University's development is at present computer based checkout equipment, and equipment volume is huge, cost is high, is only suitable for solar battery product sampling Detection or detects at production line.Chinese Patent Application No. be 201210103491.3 the patent method of photovoltaic cell fault " in the on-line checkingi solar photovoltaic power plant " disclose and a kind ofly can detect the method whether having fault solar-energy photo-voltaic cell on operation of power networks line, but the method still exists following problem for battery component complete detection in large-sized solar power station: one, the short circuit current only detecting solar photovoltaic battery component can not reflect battery component performance comprehensively; Two, adopt patrol strategy, all battery component in large-sized solar power station detected, still need to grow very much time, easily cause long-time power failure; Three, adopt central control system directly to connect gate-controlled switch and sampling resistor, engineering is connected up complicated, difficulty of construction is large.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system and detection method of on-line checkingi solar photovoltaic battery component parameter, its to solve in existing solar power station solar photovoltaic battery component performance online detect in Problems existing, and the battery component detecting unit of microminiaturization can be integrated into solar photovoltaic battery component inside, is convenient to on-line monitoring.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of system of on-line checkingi solar photovoltaic battery component parameter, it is characterized in that, it comprises multiple solar photovoltaic battery component parameter detecting unit and a base station data processing unit, solar photovoltaic battery component parameter detecting unit is integrated with from variable load circuits, isolated drive circuit, first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory and microprocessor, from variable load circuits, isolated drive circuit, first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory is all connected with microprocessor, base station data processing unit comprises the second wireless transceiver circuit and main control device,
When detecting solar photovoltaic battery component, microprocessor controls to isolated drive circuit with from variable load gate-controlled switch, gather solar photovoltaic battery component volt-ampere parameter, and sending base station data processing unit to by the first wireless transceiver circuit and the second wireless transceiver circuit, base station data processing unit judges whether solar battery group parameter changes.
Preferably, described is the load circuit automatically changed from variable load circuits.
Preferably, described main control device is electronic computer.
Preferably, described main control device comprises microcontroller circuit and GPRS circuit passband.
Preferably, described main control device comprises microcontroller circuit and Beidou communication circuit.
The present invention also provides a kind of detection method of system of on-line checkingi solar photovoltaic battery component parameter, it is characterized in that, this detection method adopts the system of above-mentioned on-line checkingi solar photovoltaic battery component parameter, and this detection method comprises the following steps:
The first step, utilizes computer installation Detection of content and detecting pattern before detection, send sense command by the wireless transceiver circuit of base station data processing unit;
Second step, after solar photovoltaic battery component parameter detecting unit receives sense command, gathers the volt-ampere curve data of solar photovoltaic battery component parameter detecting unit necessity according to Detection of content and detecting pattern;
3rd step, base station data processing unit sends collection data command respectively to each solar photovoltaic battery component detecting unit;
4th step, solar photovoltaic battery component parameter detecting unit beams back electric current and the voltage data of collection;
5th step, base station data processing unit accepts electric current and voltage data, analyzing and processing, judges whether battery component parameter changes or whether there is fault.
Preferably, described sense command comprises the order of single battery component detection and group's battery component sense command; Group's battery component sense command allows multiple battery component detecting unit synchronously detect, timing transmission data.
Preferably, described step second step specifically comprises the following steps: isolated solar photovoltaic battery component; Access variable load circuits, microprocessor passes through electric current and the voltage data of the quick continuous acquisition input of ultra high speed A/D conversion circuit, comprise the open circuit voltage after variable load access instantaneous short circuit electric current, middle transition current/voltage and stable state, and by data stored in memory; Be separated variable load circuits, the electric energy that release stores; Solar photovoltaic battery component is accessed electrical network; Wait for uploading data instruction.
The present invention has positive effect: (1) the present invention adopts from variable load, and effective microminiaturized solar photovoltaic battery component parameter detecting unit, is convenient to detecting unit to be integrated into solar photovoltaic battery component inside; (2) all solar photovoltaic battery component parameter detecting unit have independent detection unit, adopt synchronous acquisition, timing transmission data, control at Millisecond by all solar photovoltaic battery component parameter detecting unit isolated time summations, greatly reduce the impact detected electrical network; (3) the present invention adopts wireless communications mode to solve an engineering wiring difficult problem, reduces construction volume, improves fail safe.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of the system of on-line checkingi solar photovoltaic battery component parameter of the present invention.
Fig. 2 is the structured flowchart of solar photovoltaic battery component parameter detecting unit in the present invention.
Embodiment
(embodiment 1)
As shown in Figure 1, the system of the on-line checkingi solar photovoltaic battery component parameter of the present embodiment comprises multiple solar photovoltaic battery component parameter detecting unit (as shown in Figure 2) and a base station data processing unit, solar photovoltaic battery component parameter detecting unit is integrated with from variable load circuits, isolated drive circuit, the first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory and microprocessor, is all connected with microprocessor from variable load circuits, isolated drive circuit, the first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory; Base station data processing unit comprises the second wireless transceiver circuit and main control device, when detecting solar photovoltaic battery component, microprocessor controls to isolated drive circuit with from variable load gate-controlled switch, gather solar photovoltaic battery component volt-ampere parameter, and sending base station data processing unit to by the first wireless transceiver circuit and the second wireless transceiver circuit, base station data processing unit judges whether solar battery group parameter changes.Main control device can be a kind of computer.Solar photovoltaic battery component parameter detecting unit is connected with base station data processing unit by radio communication.From the load circuit that variable load circuits is change automatically.
The detection method of the system of the present embodiment on-line checkingi solar photovoltaic battery component parameter comprises the steps:
The first step, utilizes computer installation Detection of content and detecting pattern before detection, send sense command by the wireless transceiver circuit of base station data processing unit;
Second step, after solar photovoltaic battery component parameter detecting unit receives sense command, gathers the volt-ampere curve data of solar photovoltaic battery component parameter detecting unit necessity according to Detection of content and detecting pattern.Detailed process is: 1. isolated solar photovoltaic battery component; 2. variable load circuits is accessed, microprocessor passes through electric current and the voltage data of the quick continuous acquisition input of ultra high speed A/D conversion circuit, comprise the open circuit voltage after variable load access instantaneous short circuit electric current, middle transition current/voltage and stable state, and by data stored in memory; 3. variable load circuits is separated, the electric energy that release stores; 4. solar photovoltaic battery component is accessed electrical network; 5. uploading data instruction is waited for.
3rd step, base station data processing unit sends collection data command respectively to each solar photovoltaic battery component detecting unit;
4th step, solar photovoltaic battery component parameter detecting unit beams back electric current and the voltage data of collection;
5th step, base station data processing unit accepts electric current and voltage data, analyzing and processing, judges whether battery component parameter changes or whether there is fault.
Sense command comprises the order of single battery component detection and group's battery component sense command; Group's battery component sense command allows multiple battery component detecting unit synchronously detect, timing transmission data.
(embodiment 2)
The system of the on-line checkingi solar photovoltaic battery component parameter of the present embodiment and other aspects of detection method identical with embodiment 1, difference is, solar photovoltaic battery component parameter detecting unit comprises the second wireless transceiver circuit, GPRS telecommunication circuit and microcontroller circuit, and GPRS telecommunication circuit and microcontroller circuit form main control device.
(embodiment 3)
The system of the on-line checkingi solar photovoltaic battery component parameter of the present embodiment and other aspects of detection method identical with embodiment 1, difference is, base station data processing unit comprises the second wireless transceiver circuit, Beidou communication circuit and microcontroller circuit, and Beidou communication circuit and microcontroller circuit form main control device.
The present invention adopts RC and gate-controlled switch mixing branch road as variable load, and effective microminiaturized solar photovoltaic battery component parameter detecting unit, is convenient to this detecting unit to be integrated into solar photovoltaic battery component inside; All solar photovoltaic battery component parameter detecting unit have independent detection unit, adopt synchronous acquisition, timing transmission data, control at Millisecond by all solar photovoltaic battery component parameter detecting unit isolated time summations, greatly reduce the impact detected electrical network; The present invention adopts wireless communications mode to solve an engineering wiring difficult problem, reduces construction volume, improves fail safe.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the system of an on-line checkingi solar photovoltaic battery component parameter, it is characterized in that, it comprises multiple solar photovoltaic battery component parameter detecting unit and a base station data processing unit, solar photovoltaic battery component parameter detecting unit is integrated with from variable load circuits, isolated drive circuit, the first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory and microprocessor, is all connected with microprocessor from variable load circuits, isolated drive circuit, the first wireless transceiver circuit, ultra high speed A/D conversion circuit, memory; Base station data processing unit comprises the second wireless transceiver circuit and main control device;
When detecting solar photovoltaic battery component, microprocessor controls to isolated drive circuit with from variable load gate-controlled switch, gather solar photovoltaic battery component volt-ampere parameter, and sending base station data processing unit to by the first wireless transceiver circuit and the second wireless transceiver circuit, base station data processing unit judges whether solar battery group parameter changes.
2. the system of on-line checkingi solar photovoltaic battery component parameter according to claim 1, is characterized in that, described is the load circuit automatically changed from variable load circuits.
3. the system of on-line checkingi solar photovoltaic battery component parameter according to claim 1, is characterized in that, described main control device is electronic computer.
4. the system of on-line checkingi solar photovoltaic battery component parameter according to claim 1, is characterized in that, described main control device comprises microcontroller circuit and GPRS telecommunication circuit.
5. the system of on-line checkingi solar photovoltaic battery component parameter according to claim 1, is characterized in that, described main control device comprises microcontroller circuit and Beidou communication circuit.
6. a detection method for the system of on-line checkingi solar photovoltaic battery component parameter, is characterized in that, this detection method adopts the system of on-line checkingi solar photovoltaic battery component parameter according to claim 1, and this detection method comprises the following steps:
The first step, utilizes computer installation Detection of content and detecting pattern before detection, send sense command by the second wireless transceiver circuit of base station data processing unit;
Second step, after solar photovoltaic battery component parameter detecting unit receives sense command, gathers the volt-ampere curve data of solar photovoltaic battery component parameter detecting unit necessity according to Detection of content and detecting pattern;
3rd step, base station data processing unit sends collection data command respectively to each solar photovoltaic battery component detecting unit;
4th step, solar photovoltaic battery component parameter detecting unit beams back electric current and the voltage data of collection;
5th step, base station data processing unit accepts electric current and voltage data, analyzing and processing, judges whether battery component parameter changes or whether there is fault.
7. the detection method of the system of on-line checkingi solar photovoltaic battery component parameter according to claim 6, is characterized in that, described sense command comprises the order of single battery component detection and group's battery component sense command; Group's battery component sense command allows multiple battery component detecting unit synchronously detect, timing transmission data.
8. the detection method of the system of on-line checkingi solar photovoltaic battery component parameter according to claim 6, is characterized in that, described step second step specifically comprises the following steps: isolated solar photovoltaic battery component; Access is from variable load circuits, microprocessor passes through electric current and the voltage data of the quick continuous acquisition input of ultra high speed A/D conversion circuit, comprise the open circuit voltage after variable load access instantaneous short circuit electric current, middle transition current/voltage and stable state, and by data stored in memory; Be separated from variable load circuits, the electric energy that release stores; Solar photovoltaic battery component is accessed electrical network; Wait for uploading data instruction.
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| CN103780204B (en) * | 2014-01-20 | 2016-08-17 | 广东易事特电源股份有限公司 | The fault detection method of photovoltaic substrate group string |
| CN104467665A (en) * | 2014-11-24 | 2015-03-25 | 润恒光能有限公司 | Photovoltaic power station unit assembly detector and detection method thereof |
| CN108061835A (en) * | 2017-12-25 | 2018-05-22 | 重庆多邦科技股份有限公司 | A kind of solar energy photovoltaic panel voltage sampling method, system and circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109578A (en) * | 2009-12-24 | 2011-06-29 | 叶明宝 | System for monitoring photovoltaic battery pack string |
| CN102291052A (en) * | 2011-08-22 | 2011-12-21 | 浙江昱能光伏科技集成有限公司 | Solar photovoltaic system as well as energy collecting and optimizing method and fault detecting method thereof |
| CN102638197A (en) * | 2012-04-20 | 2012-08-15 | 浙江昱能光伏科技集成有限公司 | Solar photovoltaic component, method for tracking maximum power point thereof and method for monitoring fault thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109578A (en) * | 2009-12-24 | 2011-06-29 | 叶明宝 | System for monitoring photovoltaic battery pack string |
| CN102291052A (en) * | 2011-08-22 | 2011-12-21 | 浙江昱能光伏科技集成有限公司 | Solar photovoltaic system as well as energy collecting and optimizing method and fault detecting method thereof |
| CN102638197A (en) * | 2012-04-20 | 2012-08-15 | 浙江昱能光伏科技集成有限公司 | Solar photovoltaic component, method for tracking maximum power point thereof and method for monitoring fault thereof |
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