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Intelligent sun angle detector

A sun angle, intelligent technology, applied in the measurement angle, instrument, measurement device and other directions, can solve the problem of small measurement angle range, and achieve the effect of large measurement range, high precision and ultra-low power consumption

Inactive Publication Date: 2009-07-15
YANGZHOU UNIV
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Problems solved by technology

However, the angle range measured by the above method is small

Method used

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Embodiment Construction

[0011] Further illustrate the present invention in conjunction with accompanying drawing, the measurand of solar angle detector device usually comprises: the initial position of solar azimuth, altitude angle, three stepper motors etc., installs on the plane perpendicular to X, Y, Z axis respectively Three X, Y, Z direction stepper motors 6, and on the output shafts of X, Y, Z direction stepper motors 6, fixedly connect photocell detector 1 respectively, let photocell rotate around three axes at a uniform speed, collect solar radiation Intensity, through the photocell to convert it into short-circuit current, input current-voltage conversion circuit 2 for current-voltage conversion, current-voltage conversion circuit 2 is composed of LM358 operational amplifier and peripheral circuits, and realizes the conversion of current and voltage by using the principle of virtual short circuit of the amplifier. The final voltage signal is input to the inverting voltage amplifier 3, and the...

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Abstract

The invention relates to an intelligent type survey meter for the sun angle including azimuth and elevation angle, which comprises three groups of photocell detectors; the photocell detectors are respectively connected to the corresponding voltage amplifiers through current voltage converting circuits; the three groups of voltage amplifiers are connected with data signal processors respectively; the data signal processors are connected with three groups of motor drivers through the three I / O ports which output high and low levels; the motor drivers are connected to the corresponding X, Y and Z direction step motor; the step motors are respectively connected with drivers through stroke switches; the output end of each group of driver is connected to a data signal processor; and the three groups of photocell detectors are respectively fixed on the output shaft of the X, Y and Z direction step motor. The invention achieves the advantages of high precision, high anti-interference capability, ultralow power consumption, stable working and high cost performance.

Description

technical field [0001] The invention relates to an intelligent sun angle detector, including the azimuth angle and altitude angle of the sun. Background technique [0002] At present, there are mainly three ways to track the sun at home and abroad: solar tracking, photoelectric tracking, and a combination of solar tracking and photoelectric tracking. The tracking of apparent solar motion trajectory needs to describe the movement law of the sun, the formula is complex, and the amount of calculation is large; photoelectric tracking usually arranges a certain number of photosensitive elements on a special structure, and the detection methods are divided into two types: switch value detection and analog value detection. When the switching value detection method is used, different incident angles of the sun will conduct different combinations of photosensitive elements, and the angle of light can be determined through this combination, but this method has poor measurement accurac...

Claims

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Application Information

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IPC IPC(8): G01C1/00
Inventor 杨鹏史旺旺朱燕青刘松
Owner YANGZHOU UNIV
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