CN111385943A - Method for testing overall performance of solar LED street lamp system - Google Patents
Method for testing overall performance of solar LED street lamp system Download PDFInfo
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- CN111385943A CN111385943A CN202010314597.2A CN202010314597A CN111385943A CN 111385943 A CN111385943 A CN 111385943A CN 202010314597 A CN202010314597 A CN 202010314597A CN 111385943 A CN111385943 A CN 111385943A
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- street lamp
- led street
- solar led
- lamp
- solar
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
A method for testing overall performance of a solar LED street lamp system comprises the following steps of (1) placing a photovoltaic assembly in a solar LED street lamp under the sun to irradiate and charge a storage battery, (2) placing an LED lamp in a darkroom, lighting the LED lamp through power supply of the storage battery, measuring multiple groups of luminous fluxes in the darkroom from the projection ground of the street lamp to a specified distance away from the projection in the horizontal direction, taking an average value phi of the groups of luminous fluxes, and calculating a luminous efficiency η, (3) recording the time from starting lighting to final turning-off of the LED lamp as the lighting time t of the solar LED street lampc(ii) a (4) Judging the energy efficiency grade corresponding to the solar LED street lamp according to the energy efficiency grade standard; relighting duration t of the same energy efficiency levelcAnd comparing to obtain the overall performance of the system of the solar LED street lamp. The invention realizes the integral evaluation of the system after the solar LED street lamp is assembled, and can predict the energy efficiency grade and the lighting time of the solar LED street lamp.
Description
Technical Field
The invention relates to a method for evaluating the overall performance of a solar LED street lamp system, and belongs to the technical field of solar LED street lamp performance evaluation.
Background
The solar LED street lamp does not need to be paved with cables, supplied with alternating current and generate electricity charge; DC power supply and control are adopted; the LED lamp has the advantages of good stability, long service life, high luminous efficiency, simple and convenient installation and maintenance, high safety performance, energy conservation, environmental protection, economy, practicability and the like. Can be widely applied to places such as main roads, secondary roads, districts, factories, tourist attractions, parking lots and the like in cities.
The performance of the solar LED street lamp comprises light efficiency and illumination duration, and the performance of the photovoltaic module or the performance of the LED street lamp can not be detected independently in the prior art, so that the overall performance of the solar LED street lamp can not be tested.
At present, the performance of the solar LED street lamp system is tested by respectively testing the efficiency of a photovoltaic panel assembly, the discharge depth of a storage battery and the performance of an LED lamp. The overall performance after the assembly is not considered, and the solar LED street lamp can only be subjected to simple endurance and illumination tests when leaving a factory, and is not subjected to overall performance tests.
Disclosure of Invention
Aiming at the defects of the existing solar LED street lamp performance evaluation technology, the invention provides a solar LED street lamp system overall performance test method which can be used for predicting the energy efficiency grade and the lighting time of a solar LED street lamp and carrying out overall evaluation on the system after the solar LED street lamp is assembled.
The invention discloses a method for testing the overall performance of a solar LED street lamp system, which comprises the following steps:
(1) placing a photovoltaic module in the solar LED street lamp under the sunlight for irradiation, and charging a storage battery by the photovoltaic module;
the photovoltaic module is placed under the sunshine and irradiates at 8: in the time period of 00-16:00, and the cumulative solar irradiation H is more than or equal to 16MJ/m2During this time the photovoltaic module charges the battery.
(2) Placing an LED lamp in a solar LED street lamp in a darkroom, lighting the LED lamp by supplying power through a storage battery, measuring a plurality of groups of luminous fluxes at different positions in the darkroom from the projection ground of the LED lamp to a specified distance away from the projection in the horizontal direction, taking an average value phi of the luminous fluxes of the groups, and calculating a corresponding luminous efficiency η;
the specified distance is a minimum of 7 meters.
The luminous flux is measured at least for 8 groups of different positions.
The luminous flux in the specified distance is measured every 1m from the ground projection position of the street lamp to the distance of 10 m from the horizontal direction of the projection position, and phi from 0 to 10 m is obtained0～φ10Eleven sets of luminous fluxes, and the average value phi of the eleven sets of luminous fluxes is (phi)0+φ1+φ2+φ3+φ4+φ5+φ6+φ7+φ8+φ9+φ10) And 11, calculating corresponding light effects η.
The light effect calculation formula is as follows:
η＝φ/P，
in the formula:
η, light effect, lm/W;
phi: luminous flux, lm;
p: LED lamp power, W.
(3) Recording the time from the starting to the final turning-off of the LED lamp as the lighting (lighting) time t of the solar LED street lampc；
(4) According to the energy efficiency grade standard, the light efficiency η obtained in the step (2) is used for judging the energy efficiency grade corresponding to the solar LED street lamp, and the lighting time t for the solar LED street lamp with the same energy efficiency grade is carried outcComparison of (1), illumination duration tcThe longer the performance is, the better the performance is, and the overall performance of the system of the solar LED street lamp is obtained.
The invention realizes the integral evaluation of the system after the solar LED street lamp is assembled, and can predict the energy efficiency grade and the lighting time of the solar LED street lamp. Has the following characteristics:
1. the lighting effect of different solar LED street lamps under the condition of collecting the same irradiation amount is tested.
2. The lighting time of the solar LED street lamp is tested after one-time normal charging.
3. The method provides basis for the selection design of the solar LED street lamps on the road, selects the street lamps with proper power, and can calculate the specification of the required photovoltaic module according to the test result to obtain the capacity of the storage battery to be configured.
Detailed Description
The method for evaluating the overall performance of the solar LED street lamp system is used for obtaining the overall energy efficiency level and the overall illumination time of the street lamp. The specific test procedure is as follows.
(1) The photovoltaic module in the solar LED street lamp is arranged in a mode that 8: the 00-16:00 time period is placed under the sunlight for irradiating for a certain time, so that the cumulative solar irradiation H of the time period is more than or equal to 16MJ/m2During this time the photovoltaic module charges the battery (pack).
(2) Then controlling a storage battery (group) to supply power to an LED lamp in a solar LED street lamp in a darkroom, lighting the LED lamp, measuring luminous flux at a specified position by using a luminous flux meter, wherein the specified position is within a distance of 10 meters (at least 7 meters) from the projection ground of the street lamp to the horizontal direction of the projection, measuring the luminous flux once every 1 meter (measuring 8 groups of luminous fluxes at 8 different positions at least), and obtaining eleven groups of luminous fluxes phi from the beginning to 10 meters0～φ10Taking the average value phi ═ phi0+φ1+φ2+φ3+φ4+φ5+φ6+φ7+φ8+φ9+φ10) And 11, calculating the corresponding light effect η according to the following formula:
η＝φ/P，
in the formula:
η, light effect, lm/W;
phi: luminous flux, lm;
p: LED lamp power, W.
(3) Recording the time from the starting to the final turning-off of the LED lamp as the lighting time t of the solar LED street lampc。
(4) And judging the energy efficiency grade of the detected solar LED street lamp according to the energy efficiency grade in GB 37478-2019.
LED lamp energy efficiency grade in GB37478-2019
According to the energy efficiency grade standard, the energy efficiency grade of the solar LED street lamp can be judged, and the solar LED street lamp can be lightened again when the solar LED street lamp with the same energy efficiency grade is lightenedLong contrast, duration of illumination tcThe longer the performance is, the better the performance is, and the overall system performance of the solar LED street lamp is obtained.
According to the obtained overall system performance of the solar LED street lamp, when the solar LED street lamp is designed on a road, the solar LED street lamp with proper power can be selected according to the required energy efficiency grade and lighting time, the solar irradiation amount required during charging is pushed back according to the test result, the required specification of the photovoltaic module is further calculated, and meanwhile, the capacity of the storage battery (group) required to be configured can be obtained.
Claims (6)
1. A method for testing the overall performance of a solar LED street lamp system is characterized by comprising the following steps:
(1) placing a photovoltaic module in the solar LED street lamp under the sunlight for irradiation, and charging a storage battery by the photovoltaic module;
(2) placing an LED lamp in a solar LED street lamp in a darkroom, lighting the LED lamp by supplying power through a storage battery, measuring a plurality of groups of luminous fluxes at different positions in the darkroom from the projection ground of the LED lamp to a specified distance away from the projection in the horizontal direction, taking an average value phi of the luminous fluxes of the groups, and calculating a corresponding luminous efficiency η;
(3) recording the time from the starting to the final turning-off of the LED lamp as the lighting time t of the solar LED street lampc；
(4) According to the energy efficiency grade standard, the light efficiency η obtained in the step (2) is used for judging the energy efficiency grade corresponding to the solar LED street lamp, and the lighting time t for the solar LED street lamp with the same energy efficiency grade is carried outcComparison of (1), illumination duration tcThe longer the performance is, the better the performance is, and the overall performance of the system of the solar LED street lamp is obtained.
2. The method for testing the overall performance of the solar LED street lamp system as claimed in claim 1, wherein the irradiation of the photovoltaic module in sunlight is performed in a range of 8: in the time period of 00-16:00, and the cumulative solar irradiation H is more than or equal to 16MJ/m2During this time the photovoltaic module charges the battery.
3. The method as claimed in claim 1, wherein the specified distance is at least 7 m.
4. The method as claimed in claim 1, wherein the luminous flux is measured at least for 8 groups at different positions.
5. The method as claimed in claim 1, wherein the luminous flux within the predetermined distance is measured every 1m from the ground of the street lamp projection to 10 m from the horizontal direction of the projection, and the light flux is measured at a distance of 0-10 m0～φ10Eleven sets of luminous fluxes, and the average value phi of the eleven sets of luminous fluxes is (phi)0+φ1+φ2+φ3+φ4+φ5+φ6+φ7+φ8+φ9+φ10) And 11, calculating corresponding light effects η.
6. The method for testing the overall performance of the solar LED street lamp system as claimed in claim 1, wherein the light effect calculation formula in the step (2) is as follows:
η＝φ/P，
in the formula:
η, light effect, lm/W;
phi: luminous flux, lm;
p: LED lamp power, W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010314597.2A CN111385943A (en) | 2020-04-20 | 2020-04-20 | Method for testing overall performance of solar LED street lamp system |
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| CN202010314597.2A CN111385943A (en) | 2020-04-20 | 2020-04-20 | Method for testing overall performance of solar LED street lamp system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140139121A1 (en) * | 2009-08-23 | 2014-05-22 | Thomas John Padula | Light Emitting Bio-mimicry Method |
| CN105426669A (en) * | 2015-11-10 | 2016-03-23 | 东南大学 | Illumination efficiency scoring method for ordinary office |
| CN107478997A (en) * | 2017-08-01 | 2017-12-15 | 中国铁塔股份有限公司 | A kind of base station storage batteries appraisal procedure and device |
| US20180340662A1 (en) * | 2016-03-11 | 2018-11-29 | Gooee Limited | System for performing self-test and predicting emergency lighting fixtures life expectancy |
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2020
- 2020-04-20 CN CN202010314597.2A patent/CN111385943A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140139121A1 (en) * | 2009-08-23 | 2014-05-22 | Thomas John Padula | Light Emitting Bio-mimicry Method |
| CN105426669A (en) * | 2015-11-10 | 2016-03-23 | 东南大学 | Illumination efficiency scoring method for ordinary office |
| US20180340662A1 (en) * | 2016-03-11 | 2018-11-29 | Gooee Limited | System for performing self-test and predicting emergency lighting fixtures life expectancy |
| CN107478997A (en) * | 2017-08-01 | 2017-12-15 | 中国铁塔股份有限公司 | A kind of base station storage batteries appraisal procedure and device |
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