CN205540298U - Photovoltaic chases after a day sensor - Google Patents
Photovoltaic chases after a day sensor Download PDFInfo
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- CN205540298U CN205540298U CN201620209480.7U CN201620209480U CN205540298U CN 205540298 U CN205540298 U CN 205540298U CN 201620209480 U CN201620209480 U CN 201620209480U CN 205540298 U CN205540298 U CN 205540298U
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Abstract
The utility model discloses a photovoltaic chases after a day sensor, including light intensity sensor and angular transducer, light intensity sensor includes a plurality ofly, a plurality of light intensity sensor set up respectively in photovoltaic chases after a day sensor's east, west, south, four position in the north, angular transducer and every light intensity sensor all with export interface connection. Through using this application the sensor can realize light intensity sensor and angular transducer's dual measurement, export two sets of measuring -signal and treater, both can be applied to photoelectric tracking at the fine day, inclination after feedback solar cell panel rotates in the time of can looking day movement track and trail for overcast and rainy adoption again reduces the error for improve the sun -tracking precision.
Description
Technical field
This utility model relates to a kind of photovoltaic solar tracking sensor.
Background technology
It is known that solar energy is a kind of inexhaustible, nexhaustible green energy resource.Research shows, uses the solar energy receptance raising 37.7% following the tracks of the sun than fixed installation solar panel.At present, it is normally based on both at home and abroad and designs solar tracking system and tracking transducer regarding daily motion track following method and photoelectric tracking method.Depending on daily motion track following method according to the astronomical moving law of the sun, calculate sun altitude all the time and azimuth, and in this, as state modulator solar energy tracking device.This mode is susceptible to the impact of weather and environment, it is possible to realizes the continuous tracking to solar azimuth, but belongs to open-loop tracking, there is not angle feed-back and be modified system, it is difficult to the mechanical cumulative errors produced during avoiding long-term follow.Photoelectric tracking method utilizes photovoltaic principals to detect position of sun in real time and is tracked, belong to close-loop control mode, geographical position and the Dong Xia time difference do not installed by tracking device are affected and restriction, higher tracking sensitivity and tracking accuracy can be obtained, but affected bigger by weather condition, relatively big at non-fair weather time error, even there will be the phenomenon that do not works.For improving tracking accuracy, if it is possible to both being combined and solar tracking is adjusted improving the acceptance rate of photovoltaic module illumination, it is high that prior art is badly in need of a kind of solar tracking precision, is affected little photovoltaic solar tracking sensor by machine error and weather.
Summary of the invention
The purpose of this utility model is to overcome defect present in prior art, it is provided that a kind of solar tracking precision is high, is affected little photovoltaic solar tracking sensor by machine error and weather.
For achieving the above object, the technical solution of the utility model there is provided a kind of photovoltaic solar tracking sensor, including intensity of illumination sensor and obliquity sensor, described intensity of illumination sensor includes multiple, the plurality of intensity of illumination sensor is separately positioned on four orientation of East, West, South, North of photovoltaic solar tracking sensor, and obliquity sensor and each intensity of illumination sensor all connect with output interface.By using sensor described herein can realize the dual measurement of intensity of illumination sensor and obliquity sensor, export two groups and measure signal and processor, both photoelectric tracking can be applied at fine day, it can be again overcast and rainy employing inclination angle when daily motion track following after the rotation of feedback solar panel, reduce error, in order to improve solar tracking precision；Sensor described herein achieve to Intensity of the sunlight from motion tracking and high-precision detection, improve the receiving efficiency of energy；Sensor described herein achieves from motion tracking relative to traditional hard-wired solar panel, improves the conversion efficiency of solar panel.
As preferably, four orientation of the East, West, South, North of described photovoltaic solar tracking sensor are equipped with two intensity of illumination sensors, described between the intensity of illumination sensor of position, east and position, west, are provided with dark slide.Such design is beneficial to the collection realizing intensity of illumination in different azimuth, and the dark slide told is located in housing, it is characterized in that the illumination making the east-west direction of intensity of illumination sensor, obliquity sensor does not interfere with each other.The dark slide installation site told is perpendicular in the East West Center line of intensity of illumination sensor, obliquity sensor.
As preferably, described obliquity sensor is arranged between multiple intensity of illumination sensor.Such layout saves space.
As preferably, it is connected between described intensity of illumination sensor and output interface and has intensity of illumination signal conditioning circuit.East to two intensity of illumination sensors, west to two intensity of illumination sensors, south to two intensity of illumination sensors, two monitoring the north to intensity of illumination sensor, it is short circuit current based on silicon cell and the linear relation of illuminance (light energy), such that it is able to quantitative scoring calculates intensity of illumination.Although short circuit current and intensity of illumination have preferable linear relationship, but short circuit current is the most weak, it is substantially microampere milliampere rank, and the magnitude of current is also good at measuring, so we use operational amplifier amplified by short circuit current and be converted to voltage, so we use High-precision O P07 of Texas Instruments.OP07 chip is a kind of low noise, the bipolar operational amplifier integrated circuit of non-chopper-zero-stabilized.Its input offset voltage is the lowest, is based on this, and it need not add other balancing controls in some applications.Also to have the bias current of input the lowest for this chip simultaneously, but the open-loop gain of system is the highest.
As preferably, it is connected between described obliquity sensor and output interface and has dip angle signal modulate circuit.The inclination angle of obliquity sensor detection solar panel so that solar panel keeps consistent with the height of the sun in the pitch direction.Devising dip angle signal modulate circuit, by obliquity sensor being exported collection and the Filtering Processing of data, having filtered the random error signal that solar panel produces because of shake in rotation process, it is achieved that accurate measurement in the pitch direction.
As preferably, described photovoltaic solar tracking sensor includes base plate, described intensity of illumination sensor, obliquity sensor, intensity of illumination signal conditioning circuit, dip angle signal modulate circuit and output interface are all integrated on base plate, described base plate external is covered with shell body, described shell body top is provided with sealing lid, and described sealing lid is embedded with transparent glass.The components and parts of sensor can be effectively protected by such design.
Advantage of the present utility model and having the beneficial effects that: by using sensor described herein can realize the dual measurement of intensity of illumination sensor and obliquity sensor, export two groups and measure signal and processor, both photoelectric tracking can be applied at fine day, it can be again overcast and rainy employing inclination angle when daily motion track following after the rotation of feedback solar panel, reduce error, in order to improve solar tracking precision；Sensor described herein achieve to Intensity of the sunlight from motion tracking and high-precision detection, improve the receiving efficiency of energy；Sensor described herein achieves from motion tracking relative to traditional hard-wired solar panel, improves the conversion efficiency of solar panel.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is electronic devices and components scattergram on this utility model base plate；
Fig. 3 is this utility model intensity of illumination signal conditioning circuit structural representation；
Fig. 4 is that this utility model electronic devices and components connect block diagram.
In figure: 1, intensity of illumination sensor；2, obliquity sensor；3, output interface；4, dark slide；5, intensity of illumination signal conditioning circuit；6, dip angle signal modulate circuit；7, base plate；8, shell body；9, lid is sealed；10, transparent glass.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As Figure 1-Figure 4, a kind of photovoltaic solar tracking sensor, including intensity of illumination sensor 1 and obliquity sensor 2, described intensity of illumination sensor 1 includes multiple, the plurality of intensity of illumination sensor 1 is separately positioned on four orientation of East, West, South, North of photovoltaic solar tracking sensor, and obliquity sensor 2 and each intensity of illumination sensor 1 all connect with output interface 3.
It is equipped with two intensity of illumination sensors 1 in four orientation of the East, West, South, North of described photovoltaic solar tracking sensor, described between the intensity of illumination sensor 1 of position, east and position, west, is provided with dark slide 4.
Described obliquity sensor 2 is arranged between multiple intensity of illumination sensor 1.
It is connected between described intensity of illumination sensor 1 and output interface 3 and has intensity of illumination signal conditioning circuit 5.Two photoelectric sensors of all directions gather each data to intensity of illumination, repetitive measurement, averaged, the intensity of illumination signal conditioning circuit 5 that the signal of the intensity of illumination of all directions detected the most at last is delivered to, signal delivers to processor by output interface 3 the most at last.This photoelectric sensor is based on the short circuit current of silicon cell and the relation that illuminance (light energy) is linear, such that it is able to quantitative scoring calculates intensity of illumination.Although short circuit current and intensity of illumination have preferable linear relationship, but short circuit current is the most weak, it is substantially microampere milliampere rank, and the magnitude of current is also good at measuring, so using operational amplifier amplified by short circuit current and be converted to voltage, so we use High-precision O P07 of Texas Instruments.OP07 chip is a kind of low noise, the bipolar operational amplifier integrated circuit of non-chopper-zero-stabilized.Its input offset voltage is the lowest, is based on this, and it need not add other balancing controls in some applications.Also to have the bias current of input the lowest for this chip simultaneously, but the open-loop gain of system is the highest.So it be especially suitable for some for calculating and the amplification of faint amount, amplifying circuit is as shown in Figure 3.Output voltage Veast= *IscSo amplify voltage multiplication byDetermine, regulationResistance, just can control the value of output voltage.
It is connected between described obliquity sensor 2 and output interface 3 and has dip angle signal modulate circuit 6.One obliquity sensor 2 detects the inclination angle of solar panel so that solar panel keeps consistent with the height of the sun in the pitch direction.Devising dip angle signal modulate circuit 6, by obliquity sensor 2 being exported collection and the Filtering Processing of data, having filtered the random error signal that solar panel produces because of shake in rotation process, it is achieved that accurate measurement in the pitch direction.
Described photovoltaic solar tracking sensor includes base plate 7, described intensity of illumination sensor 1, obliquity sensor 2, intensity of illumination signal conditioning circuit 5, dip angle signal modulate circuit 6 and output interface 3 are all integrated on base plate 7, described base plate 7 is outside is covered with shell body 8, described shell body 8 top is provided with sealing lid 9, and the described lid 9 that seals is embedded with transparent glass 10.
When measuring, sensor described herein is arranged on photovoltaic module and is connected with processor by output interface 3, sunlight is sealing on lid 9 and is being radiated on intensity of illumination sensor 1 through transparent glass 10, produce intensity of illumination signal after intensity of illumination sensor 1 is photosensitive, after intensity of illumination signal conditioning circuit 5 processing and amplifying, be transmitted in processor；Photovoltaic module is when rotating, obliquity sensor 2 detects dip angle signal, dip angle signal is transmitted in processor after being filtered by dip angle signal modulate circuit 6 signal, processor is according to concrete weather condition, both photoelectric tracking can be applied at fine day, can be again overcast and rainy employing inclination angle when daily motion track following after the rotation of feedback solar panel, reduce error, in order to improve solar tracking precision.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, front lower without departing from this utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. a photovoltaic solar tracking sensor, it is characterized in that: include intensity of illumination sensor and obliquity sensor, described intensity of illumination sensor includes multiple, the plurality of intensity of illumination sensor is separately positioned on four orientation of East, West, South, North of photovoltaic solar tracking sensor, and obliquity sensor and each intensity of illumination sensor all connect with output interface；
It is equipped with two intensity of illumination sensors in four orientation of the East, West, South, North of described photovoltaic solar tracking sensor, described between the intensity of illumination sensor of position, east and position, west, is provided with dark slide.
2. photovoltaic solar tracking sensor as claimed in claim 1, it is characterised in that: described obliquity sensor is arranged between multiple intensity of illumination sensor.
3. photovoltaic solar tracking sensor as claimed in claim 2, it is characterised in that: it is connected between described intensity of illumination sensor and output interface and has intensity of illumination signal conditioning circuit.
4. photovoltaic solar tracking sensor as claimed in claim 3, it is characterised in that: it is connected between described obliquity sensor and output interface and has dip angle signal modulate circuit.
5. photovoltaic solar tracking sensor as claimed in claim 4, it is characterized in that: described photovoltaic solar tracking sensor includes base plate, described intensity of illumination sensor, obliquity sensor, intensity of illumination signal conditioning circuit, dip angle signal modulate circuit and output interface are all integrated on base plate, described base plate external is covered with shell body, described shell body top is provided with sealing lid, and described sealing lid is embedded with transparent glass.
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| CN201620209480.7U CN205540298U (en) | 2016-03-18 | 2016-03-18 | Photovoltaic chases after a day sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103167A1 (en) * | 2016-12-08 | 2018-06-14 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
| CN114397915A (en) * | 2021-12-28 | 2022-04-26 | 东营大海科林光电有限公司 | Solar photovoltaic module and water use method thereof |
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2016
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103167A1 (en) * | 2016-12-08 | 2018-06-14 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
| CN108603786A (en) * | 2016-12-08 | 2018-09-28 | 苏州聚晟太阳能科技股份有限公司 | A kind of sensor and its control method |
| CN108603786B (en) * | 2016-12-08 | 2020-11-03 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
| US11169241B2 (en) | 2016-12-08 | 2021-11-09 | Suzhou Jsolar Incorporated | Sensor and control method thereof |
| CN114397915A (en) * | 2021-12-28 | 2022-04-26 | 东营大海科林光电有限公司 | Solar photovoltaic module and water use method thereof |
| CN114397915B (en) * | 2021-12-28 | 2024-01-19 | 东营大海科林光电有限公司 | Solar photovoltaic module and water use method thereof |
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