CN205051650U - Promote device of photovoltaic power generation system steady operation - Google Patents
Promote device of photovoltaic power generation system steady operation Download PDFInfo
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- CN205051650U CN205051650U CN201520839877.XU CN201520839877U CN205051650U CN 205051650 U CN205051650 U CN 205051650U CN 201520839877 U CN201520839877 U CN 201520839877U CN 205051650 U CN205051650 U CN 205051650U
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- 238000010248 power generation Methods 0.000 title abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to an electric power tech field especially relates to a promote device of photovoltaic power generation system steady operation. This promote device of photovoltaic power generation system steady operation includes controller, telecommunications breath changer, telecommunications breath sensor, input module and display module, telecommunications breath sensor settings is on solar battery array's series branch to acquire corresponding telecommunications breath, gather the signal of telecommunication in each the series -connected cell return circuit among the solar battery array through telecommunications breath sensor, then change the output signal that telecommunications ceases the sensor into ability by other signal of control capability and judgement through telecommunications breath changer, the controller was received and was handled analytical judgement behind the signal that telecommunications breath changer transmitted, the position of definite solar cell series branch that breaks down and the fault location in this branch road, and show from the display module, thereby in time remove a hidden danger, maintain the solar photovoltaic power generation system steady operation.
Description
Technical field
The utility model relates to technical field of electric power, particularly relates to a kind of device promoting photovoltaic generating system stable operation.
Background technology
At present, solar energy is clean as one, free of contamination regenerative resource, and the application of its technology reaches its maturity, and obtains extensively attention at each energy field.At present in the application of solar energy, what attract people's attention most is the solar power station directly utilizing solar energy to carry out photovoltaic generation, and its appearance and popularization must alleviate current energy crisis, promote energy resource structure benign development.Photovoltaic generation is, by solar cell, transform light energy is become electric energy, and be a kind of clean energy resource of zero discharge, oneself becomes one of energy industry that the world today is of greatest concern, increasing degree is the fastest for it.
Solar battery array, as device for converting electric energy, is the important component part of photovoltaic generating system, and it is combined through series and parallel knot by several solar modules.But, because solar power system exposes in an outdoor environment, particularly under natural conditions rugged environment, after long-play, solar battery array there will be local fault, and the electric energy affecting whole solar battery array exports, to making whole electricity generation system cisco unity malfunction.Therefore, be necessary to carry out accurately and timely detecting to the fault in solar battery array, attendant is processed targetedly in time, guarantee the stable normal operation of photovoltaic generating system.
Therefore, for above deficiency, need to provide a kind of device promoting photovoltaic generating system stable operation.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide and a kind ofly promotes that the device of photovoltaic generating system stable operation is with cannot Timeliness coverage and then affect the problem of solar photovoltaic generation system stable operation after solving solar cell in the presence of a harsh environment and occurring local fault.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of device promoting photovoltaic generating system stable operation on the one hand, and it comprises controller, electric message transmitter, electric information sensor, input module and display module; Described telecommunications breath sensor setting, in the series arm of solar battery array, ceases to obtain corresponding telecommunications; Described electric message transmitter is arranged between described controller and electric information sensor, can by the signal of controller identification the output signal of electric information sensor to be changed into; Described input module is connected with described controller, and described display module is connected with described controller.
Wherein, described controller is microcontroller.
Wherein, described electric information sensor comprises Hall current sensor and Hall voltage transducer, and described Hall current sensor and Hall voltage sensor setting in the series arm of solar battery array, and are all connected with electric message transmitter.
Wherein, described electric message transmitter comprises current transducer and voltage transmitter, and described current transducer and voltage transmitter are connected with described Hall current sensor and Hall voltage transducer respectively.
Wherein, described input module and display module pass through I
2c bus is connected with controller.
Wherein, described input module is keyboard.
Wherein, described display module is light-emitting diode display.
Wherein, also comprise clock module, described clock module passes through I
2c bus is connected with controller.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in the device of the promotion photovoltaic generating system stable operation that the utility model provides, the signal of telecommunication (electric current and voltage signal) in each series-connected cell loop in solar battery array is gathered by electric information sensor, then the output signal of electric information sensor being changed into by electric message transmitter can by the signal of controller identification, controller receives the laggard row relax analysis judgement of signal that electric message transmitter transmits, determine the abort situation in the position of the solar cell series arm broken down and this branch road, and show from display module, thus remove a hidden danger in time, safeguard solar photovoltaic generation system stable operation.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram that the utility model embodiment promotes the device of photovoltaic generating system stable operation;
Fig. 2 is that the utility model embodiment promotes that the device of photovoltaic generating system stable operation carries out the schematic diagram of process fault detection.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, what the utility model provided a kind ofly promotes that the device of photovoltaic generating system stable operation comprises controller, electric message transmitter, electric information sensor, input module and display module; Described telecommunications breath sensor setting, in the series arm of solar battery array, ceases to obtain corresponding telecommunications; Described electric message transmitter is arranged between described controller and electric information sensor, can by the signal of controller identification the output signal of electric information sensor to be changed into; Described input module is connected with described controller, and described display module is connected with described controller.
In above-described embodiment, the signal of telecommunication (electric current and voltage signal) in each series-connected cell loop in solar battery array is gathered by electric information sensor, then the output signal of electric information sensor being changed into by electric message transmitter can by the signal of controller identification, controller receives the laggard row relax analysis judgement of signal that electric message transmitter transmits, determine the abort situation in the position of the solar cell series arm broken down and this branch road, and show from display module, thus remove a hidden danger in time, safeguard solar photovoltaic generation system stable operation.
Particularly, described controller is microcontroller, and this microcontroller can carry out analyzing and processing judgement to the current-voltage information transmitted, to determine fault series arm and corresponding abort situation.
Further, described electric information sensor comprises Hall current sensor and Hall voltage transducer, and described Hall current sensor and Hall voltage sensor setting in the series arm of solar battery array, and are all connected with electric message transmitter.Above-mentioned Hall current sensor can realize the isolation of DC detection circuit and circuit-under-test, hardly consumed energy, has the characteristics such as highly sensitive, the linearity good, good stability, volume are little and high temperature resistant.Only need detect voltage, electric current in solar battery array in such scheme, certain battery broken down can be identified in numerous battery, out of service or install complicated checkout equipment additional without the need to equipment.
Particularly, described electric message transmitter comprises current transducer and voltage transmitter, and described current transducer is connected with described Hall current sensor; Described voltage transmitter is connected with Hall voltage transducer.
In technique scheme, first detected the output current signal I of M serial battery branch road by Hall current sensor
1~ I
mand send to detection microcontroller, judge which branch road breaks down by microcontroller according to detection principle.Solar cell is judged to be that malfunction follows following two principle: if any solar cell series arm has relatively low output, then be defined as fault: mutually compared by the deviation ratio of electric current, if any solar cell series arm presents relatively large deviation ratio, being then defined as this series arm has fault.
Secondly, after determining series arm abort situation, the magnitude of voltage of this branch road measured by microcontroller, and analysis judges concrete location of fault.By the electric current I of each series arm
1~ I
mcompare through too low output and deviation ratio, determine fault branch K.
Further, described input module and display module pass through I
2c bus is connected with controller; Described input module is keyboard; Described display module is light-emitting diode display.Can be inputted by keyboard and analyze the solar battery array parameter needed for judging, environmental parameter, detection time or other Detection Information instructions, monitoring information can be shown in real time by light-emitting diode display.
Further, the utility model also comprises clock module, and described clock module passes through I
2c bus is connected with controller.The output current signal of M serial battery branch road regularly can be detected by clock module.
As shown in Figure 2, promoting the device of photovoltaic generating system stable operation in order to understand the utility model further, further its process fault detection being described below, particularly, comprising the following steps:
S1, gathered by Hall current sensor and Hall voltage transducer current information in the series arm of solar battery array and and information of voltage;
S2, current information Hall current sensor and Hall voltage transducer exported by current transducer and voltage transmitter and and information of voltage change, and by the current information after conversion and and information of voltage pass to controller;
S3, the fault of series arm of being carried out solar battery array by controller are differentiated;
If there is the fault of series arm in S4 step S3, then carry out branch trouble location by controller;
S5, by controller in step S4 location after branch trouble information process, to get rid of branch trouble.
Wherein, in step sl, current information in the series arm of solar battery array is gathered and time of information of voltage is at 10 o'clock of every day to 14 o'clock.Time of system acquisition electric current be 10 o'clock of every day to 14 o'clock because usually within this time period, have stronger solar light irradiation on cell panel, be conducive to the situation reflecting solar cell more accurately.
In sum, in the device of the promotion photovoltaic generating system stable operation that the utility model provides, fail battery position is determined by analyzing the current and voltage signals of each series arm, application microcomputer technology achieves on-line checkingi, cost is low and without the need to the checkout gear of additional complexity, also can carry out monitoring analysis to solar battery array simultaneously, be convenient to the ruuning situation that attendant grasps solar battery array in real time, be conducive to eliminating potential faults, promote distributed photovoltaic power generation system stable operation.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (8)
1. promote a device for photovoltaic generating system stable operation, it is characterized in that, comprise controller, electric message transmitter, electric information sensor, input module and display module; Described telecommunications breath sensor setting, in the series arm of solar battery array, ceases to obtain corresponding telecommunications; Described electric message transmitter is arranged between described controller and electric information sensor, can by the signal of controller identification the output signal of electric information sensor to be changed into; Described input module is connected with described controller, and described display module is connected with described controller.
2. the device of promotion photovoltaic generating system according to claim 1 stable operation, is characterized in that: described controller is microcontroller.
3. the device of promotion photovoltaic generating system according to claim 1 stable operation, it is characterized in that: described electric information sensor comprises Hall current sensor and Hall voltage transducer, described Hall current sensor and Hall voltage sensor setting in the series arm of solar battery array, and are all connected with electric message transmitter.
4. the device of promotion photovoltaic generating system according to claim 3 stable operation, it is characterized in that: described electric message transmitter comprises current transducer and voltage transmitter, and described current transducer and voltage transmitter are connected with described Hall current sensor and Hall voltage transducer respectively.
5. the device of promotion photovoltaic generating system according to claim 1 stable operation, is characterized in that: described input module and display module pass through I
2c bus is connected with controller.
6. the device of promotion photovoltaic generating system according to claim 5 stable operation, is characterized in that: described input module is keyboard.
7. the device of promotion photovoltaic generating system according to claim 5 stable operation, is characterized in that: described display module is light-emitting diode display.
8. the device of the promotion photovoltaic generating system stable operation according to any one of claim 1-7, it is characterized in that: also comprise clock module, described clock module passes through I
2c bus is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839877.XU CN205051650U (en) | 2015-10-27 | 2015-10-27 | Promote device of photovoltaic power generation system steady operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520839877.XU CN205051650U (en) | 2015-10-27 | 2015-10-27 | Promote device of photovoltaic power generation system steady operation |
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| CN205051650U true CN205051650U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520839877.XU Expired - Fee Related CN205051650U (en) | 2015-10-27 | 2015-10-27 | Promote device of photovoltaic power generation system steady operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294492A (en) * | 2016-04-13 | 2017-10-24 | 苏州瑞得恩光能科技有限公司 | The fault detect alignment system of battery panel in a kind of large-sized photovoltaic array |
-
2015
- 2015-10-27 CN CN201520839877.XU patent/CN205051650U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294492A (en) * | 2016-04-13 | 2017-10-24 | 苏州瑞得恩光能科技有限公司 | The fault detect alignment system of battery panel in a kind of large-sized photovoltaic array |
| US10418936B2 (en) | 2016-04-13 | 2019-09-17 | Suzhou Radiant Photovoltaic Technology Co., Ltd. | Fault detection and positioning system for cell panel in large-scale photovoltaic array |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |