CN114200968A - Automatic tracking and measuring device for daily direction - Google Patents
Automatic tracking and measuring device for daily direction Download PDFInfo
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- CN114200968A CN114200968A CN202111515975.4A CN202111515975A CN114200968A CN 114200968 A CN114200968 A CN 114200968A CN 202111515975 A CN202111515975 A CN 202111515975A CN 114200968 A CN114200968 A CN 114200968A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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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
Abstract
The invention discloses a day-direction automatic tracking and measuring device, and relates to the technical field of solar energy. The solar tracking and monitoring device aims at the problems that the solar measurement of the existing passive solar tracking and monitoring device has angle deviation and reduces the energy utilization efficiency. The device comprises a double-shaft rotating platform, a first photosensitive sensor, a dark cabin, a photosensitive sensor assembly, a power device and a control module; dark storehouse that is the tube-shape is connected perpendicularly in biax rotary platform central authorities, four first photosensitive sensor along the orthogonal direction equipartition in biax rotary platform edge, the photosensitive sensor subassembly sets up in dark storehouse inner chamber and can remove under power device's promotion, the photosensitive sensor subassembly includes four second photosensitive sensor along the inseparable range of laminating of orthogonal direction, the relative line of setting is all with biax rotary platform's the central coincidence to every first photosensitive sensor and every to second photosensitive sensor, biax rotary platform, first photosensitive sensor, photosensitive sensor subassembly and power device all are connected with the control module group.
Description
Technical Field
The invention relates to the technical field of solar energy, in particular to a solar automatic tracking and measuring device.
Background
Solar energy's high-efficient utilization can not leave sun to tracking technique to photovoltaic power generation is the example, possesses two fixed photovoltaic electroplax of tradition of sun to tracking performance, and its solar energy utilization efficiency promotes 33%, and to the system of spotlight electricity generation, thermal-arrest class, sun tracking technique is more indispensable.
Currently, there are two main methods for the daily determination: one type is day-wise data obtained by latitude, longitude and position and time according to an astronomy calculation formula, the method has high precision, but the system arrangement is relatively complex and expensive; the other is to establish a passive solar tracking monitoring device by utilizing the characteristics of a photosensitive element, because the solar measurement of the passive solar tracking monitoring device has an angle deviation of 5-8 degrees due to errors of elements such as a sensor, a rotating device and the like, but the energy utilization efficiency caused by the angle deviation is not negligible, so how to design a solar measuring device with higher precision has higher application value.
Disclosure of Invention
The solar tracking and monitoring device aims at the problems that the solar measurement of the existing passive solar tracking and monitoring device has angle deviation and reduces the energy utilization efficiency. The invention aims to provide a daily automatic tracking and measuring device.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic tracking and measuring device for daily direction, comprising: the system comprises a double-shaft rotating platform, four first photosensitive sensors, a dark cabin, a photosensitive sensor assembly, a power device and a control module; the dark storehouse that is the tube-shape connect perpendicularly in biax rotary platform's central authorities, four first photosensitive sensor along the orthogonal direction equipartition in the edge of biax rotary platform, relative setting is every right first photosensitive sensor's line with the center coincidence of biax rotary platform, photosensitive sensor subassembly set up in dark storehouse inner chamber can be in the axis removal along dark storehouse under power device's the promotion, photosensitive sensor subassembly includes closely laminating four second photosensitive sensors of arranging along the orthogonal direction, relative setting is every right second photosensitive sensor's line with the center coincidence of biax rotary platform, first photosensitive sensor, photosensitive sensor subassembly and power device all with control module group connects.
The invention relates to an automatic sun tracking and measuring device, which comprises a double-shaft rotating platform, two pairs of first photosensitive sensors, a dark bin, a photosensitive sensor assembly and a control module, wherein the two pairs of first photosensitive sensors are arranged at the edge of the double-shaft rotating platform along the orthogonal direction; after the initial positioning, the power device is used for lifting the photosensitive sensor assembly arranged at the bottom of the dark cabin until the photosensitive sensor assembly receives sunlight, namely the climbing height of the photosensitive sensor assembly is locked, the double-shaft rotating platform is controlled to rotate around the y axis or the x axis according to the light intensity difference received by two pairs of second photosensitive sensors which are oppositely arranged along the x axis or the y axis and closely attached and arranged on the photosensitive sensor assembly, and the light intensity difference is more accurately measured by the two pairs of second photosensitive sensors closely attached and arranged until the light intensity difference of the two pairs of second photosensitive sensors is lower than a set standard; therefore, the automatic solar tracking and measuring device firstly utilizes two pairs of first photosensitive sensors which are orthogonally arranged on the edge of the double-shaft rotating platform to track the solar direction in a first stage, then utilizes two pairs of second photosensitive sensors which are orthogonally arranged in the dark cabin to calibrate the secondary direction, and can control the measuring error to be below 1 degree after detection, so that the precision of the solar measurement is greatly improved, the efficient utilization of solar energy is realized, and compared with an active measuring method based on the astronomy principle, the automatic solar tracking and measuring device can realize the solar measurement based on the photosensitive sensors and the control module, the requirement on a chip by the control module is lower, the cost is reduced, and the applicability is stronger.
Furthermore, it still includes the printing opacity dust cover, the printing opacity dust cover is hemispherical transparent shell, the printing opacity dust cover set up in biax rotary platform top constitutes an airtight space rather than, dark storehouse, photosensitive sensor subassembly, power device and control module group all are located in the airtight space.
Furthermore, power device adopts the air pump, the lateral wall in dark storehouse is equipped with air inlet and gas outlet respectively, the air inlet set up in photosensitive sensor subassembly below, the gas outlet set up in photosensitive sensor subassembly top, the air pump passes through the pipeline and communicates with air inlet and gas outlet respectively, and is equipped with check valve on the pipeline.
Furthermore, a clamping groove is arranged above the air inlet on the inner wall of the dark cabin along the radial direction, so that the photosensitive sensor assembly can be suspended and supported above the air inlet.
Furthermore, the photosensitive sensor assembly further comprises a core disc, the four second photosensitive sensors are fixed to the top of the core disc, the outer diameter of the core disc is matched with the inner diameter of the dark cabin, and the core disc is arranged in the inner cavity of the dark cabin and can vertically slide along the axis of the core disc.
Furthermore, the light-transmitting dust cover further comprises a light-blocking cover arranged on the inner side of the light-transmitting dust cover, the light-blocking cover comprises a cylindrical cover body vertically arranged between the first photosensitive sensor and the dark bin and an arc-shaped cover body arranged at the top of the dark bin, the cylindrical cover body and the arc-shaped cover body are connected into a whole, and a light inlet hole corresponding to the position of the dark bin is formed in the top of the arc-shaped cover body.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an automatic tracking and measuring device for day-to-day directions according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 to 7 are schematic diagrams illustrating steps of an embodiment of a method for using the day-oriented automatic tracking and measuring device according to the present invention.
The numbers in the figures are as follows:
a biaxial rotation platform 10; a dark chamber 20; an air inlet 22; an air outlet 21; a first photosensitive sensor 30; a photosensitive sensor assembly 40; a core plate 41; a second light sensitive sensor 42; a light-transmissive dust cover 50; a light shielding cover 60; a cylindrical cover body 61; an arc-shaped cover 62; a light entrance hole 62 a; an air pump 70; a control module 80.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Referring to fig. 1, an xyz rectangular coordinate system is established with the height extension direction of the automatic tracking measurement device as the z-axis, wherein the y-axis is parallel to the rotation axis of the earth (i.e. the axis of the earth rotating around its centroid), and the day-wise automatic tracking measurement device of the present invention is described below with reference to fig. 1 to 7, and includes: the system comprises a double-shaft rotating platform 10, four first photosensitive sensors 30, a dark cabin 20, a photosensitive sensor assembly 40, a power device and control module 80; the cylindrical dark cabin 20 is vertically connected to the center of the dual-axis rotating platform 10, four first photosensitive sensors 30 are uniformly distributed at the edge of the dual-axis rotating platform 10 along the orthogonal direction, that is, two first photosensitive sensors 30 are oppositely arranged along the x axis, the other two first photosensitive sensors 30 are oppositely arranged along the y axis, the connecting line of each pair of oppositely arranged first photosensitive sensors 30 is coincided with the center of the dual-axis rotating platform 10, the photosensitive sensor assembly 40 is arranged in the inner cavity of the dark cabin 20 and can move along the axis of the dark cabin 20 under the push of a power device, the photosensitive sensor assembly 40 comprises four second photosensitive sensors 42 which are closely attached and arranged along the orthogonal direction, that is, two second photosensitive sensors 42 are oppositely arranged along the x axis, the other two second photosensitive sensors 42 are oppositely arranged along the y axis, the connecting line of each pair of oppositely arranged second photosensitive sensors 42 is coincided with the center of the dual-axis rotating platform 10, the dual-axis rotary platform 10, the first photosensitive sensor 30, the photosensitive sensor assembly 40 and the power device are all connected with the control module 80.
Firstly, whether the double-shaft rotating platform 10 rotates around the y axis is judged according to the light intensity difference received by the two first photosensitive sensors 30 which are oppositely arranged along the x axis until the light intensity difference of the two first photosensitive sensors 30 which are oppositely arranged along the x axis is lower than delta E, similarly, whether the double-shaft rotating platform 10 rotates around the x axis is judged according to the light intensity difference received by the two first photosensitive sensors 30 which are oppositely arranged along the y axis until the light intensity difference of the two first photosensitive sensors 30 which are oppositely arranged along the y axis is lower than delta E, so that the direction of the automatic tracking and measuring device is close to the sun direction, at the moment, sunlight reaches the interior of the dark cabin 20 at a certain angle, the photosensitive sensor assembly 40 which is arranged at the bottom of the dark cabin 20 is lifted by using a power device until the photosensitive sensor assembly 40 receives the sunlight, namely the climbing height of the photosensitive sensor assembly 40 is locked, and the sunlight is received by the two second photosensitive sensors 42 which are oppositely arranged along the x axis according to the photosensitive sensor assembly 40 And judging whether the double-shaft rotating platform 10 rotates around the y axis or not by difference until the light intensity difference of the two second photosensitive sensors 42 oppositely arranged along the x axis is lower than delta e, and similarly, judging whether the double-shaft rotating platform 10 rotates around the x axis or not by the light intensity difference received by the two second photosensitive sensors 42 oppositely arranged along the y axis according to the photosensitive sensor assembly 40 until the light intensity difference of the two second photosensitive sensors 42 oppositely arranged along the y axis is lower than delta e, so that the pointing direction of the automatic sun tracking and measuring device is accurately locked in the sun direction.
The invention relates to an automatic sun tracking and measuring device, which comprises a double-shaft rotating platform 10, two pairs of first photosensitive sensors 30 arranged at the edge of the double-shaft rotating platform 10 along the orthogonal direction, a dark bin 20 vertically arranged at the center of the double-shaft rotating platform 10 and fixedly connected with the double-shaft rotating platform, a photosensitive sensor assembly 40 sleeved in the dark bin 20 and a control module 80 respectively connected with the double-shaft rotating platform 10, the first photosensitive sensors 30 and the photosensitive sensor assembly 40, wherein the double-shaft rotating platform 10 is controlled to rotate around a y axis or an x axis according to the light intensity difference received by the pair of first photosensitive sensors 30 oppositely arranged along the x axis or the y axis until the light intensity difference of the two pairs of first photosensitive sensors 30 is lower than a set standard, so that the direction of the automatic sun tracking and measuring device is close to the sun direction; after the initial positioning, the power device is used for lifting the photosensitive sensor assembly 40 arranged at the bottom of the dark cabin 20 until the photosensitive sensor assembly 40 locks the climbing height of the photosensitive sensor assembly 40 when receiving sunlight, the biaxial rotation platform 10 is controlled to rotate around the y axis or the x axis according to the light intensity difference received by two pairs of second photosensitive sensors 42 which are oppositely arranged along the x axis or the y axis and closely attached and arranged along the x axis or the y axis, and the light intensity difference is more accurately measured by the two pairs of second photosensitive sensors 42 closely attached and arranged until the light intensity difference of the two pairs of second photosensitive sensors 42 is lower than a set standard; it can be seen that, the automatic tracking and measuring device for the solar direction firstly utilizes two pairs of first photosensitive sensors 30 orthogonally arranged at the edge of the double-shaft rotating platform 10 to track the solar direction for the first stage, and then utilizes two pairs of second photosensitive sensors 42 orthogonally arranged in the dark cabin 20 to calibrate the second stage direction, and the measuring error can be controlled below 1 degree by detection, so that the precision of the solar direction measurement is greatly improved, the efficient utilization of solar energy is realized, and compared with an active measuring method based on astronomy principle, the automatic tracking and measuring device for the solar direction can realize the solar direction measurement based on the photosensitive sensors and the control module 80, the requirement of the control module 80 on a chip is lower, the cost is reduced, and the applicability is stronger.
Furthermore, as the photosensitive sensor is exposed for a long time and is bound to be polluted, the solar direction measurement fails, and in order to solve the problem, as shown in fig. 2, the solar direction automatic tracking and measuring device of the present invention further comprises a light-transmitting dust cover 50, the light-transmitting dust cover 50 is a hemispherical transparent shell, the light-transmitting dust cover 50 is disposed on the top of the dual-axis rotating platform 10 and forms an enclosed space with the dual-axis rotating platform, the dark cabin 20, the photosensitive sensor assembly 40, the power device and the control module 80 are all located in the enclosed space, the hemispherical transparent shell has a good transmission effect on sunlight in various directions outside, and more importantly, the light-transmitting dust cover 50 can prevent the photosensitive sensor from being covered by dust to form an asymmetric error, so that the measured light intensity cannot be effectively aligned to the solar direction under a balanced state.
As shown in fig. 2, the power device of the present embodiment employs an air pump 70, the side walls of the dark chamber 20 are respectively provided with an air inlet 22 and an air outlet 21, the air inlet 22 is disposed below the photosensitive sensor assembly 40, the air outlet 21 is disposed above the photosensitive sensor assembly 40, the air pump 70 is respectively communicated with the air inlet 22 and the air outlet 21 through a pipeline, and a one-way valve (not shown in the figure) is disposed on the pipeline, after the preliminary positioning of the solar direction automatic tracking and measuring device is completed, the control module 80 controls the air pump 70 to inject air into the inner cavity of the dark chamber 20, so as to push the photosensitive sensor assembly 40 to climb upwards along the axis of the dark chamber 20 until the photosensitive sensor assembly 40 receives sunlight, the control module 80 controls the air pump 70 to stop injecting air, lock the climbing height of the photosensitive sensor assembly 40, as shown in fig. 7, after the auxiliary solar direction automatic tracking and measuring device is accurately aligned to the solar direction, the control module 80 controls the air pump 70 to pump the air in the dark chamber 20, and the photosensitive sensor assembly 40 is lowered to the bottom of the dark chamber 20. The form of the power unit of the present embodiment is merely an example, and is not limited thereto.
Referring to fig. 2, the photosensitive sensor assembly 40 further includes a core plate 41, four second photosensitive sensors 42 are closely arranged along an orthogonal direction and fixed on the top of the core plate 41, an outer diameter of the core plate 41 is adapted to an inner diameter of the dark chamber 20, the core plate 41 is disposed in the inner cavity of the dark chamber 20 and can vertically slide along an axis thereof, a slot is radially disposed above the air inlet 22 on the inner wall of the dark chamber 20, so that the photosensitive sensor assembly 40 can be suspended and supported above the air inlet 22, and a gap between the core plate 41 and the biaxial rotation platform 10 is reserved for the air pump 70 to inject air into the inner cavity of the dark chamber 20 and push the photosensitive sensor assembly 40 to climb.
Furthermore, as shown in fig. 2, the sunlight direction automatic tracking and measuring device further includes a light shielding cover 60 disposed inside the light-transmitting dust cover 50, the light shielding cover 60 includes a cylindrical cover body 61 vertically disposed between the first photosensor 30 and the dark chamber 20, and an arc-shaped cover body 62 disposed at the top of the dark chamber 20, the cylindrical cover body 61 and the arc-shaped cover body 62 are connected into a whole, the top of the arc-shaped cover body 62 is provided with a light inlet hole 62a corresponding to the position of the dark chamber 20, and the light shielding cover 60 is disposed such that sunlight can only enter the dark chamber 20 through the light inlet hole 62a, thereby ensuring the measuring accuracy of the photosensor assembly 40.
The method for using the automatic tracking and measuring device in the daily direction according to the present invention will be described with reference to fig. 3 to 7, and the specific steps are as follows:
s1: as shown in fig. 3, the automatic tracking and measuring device in the daily direction is installed and initialized, the moving platform of the biaxial rotation platform 10 is in a horizontal state as an initialization condition, the connecting line of one pair of the first photosensitive sensors 30 and one pair of the second photosensitive sensors 42 is superposed with the x axis, and the connecting line of the other pair of the first photosensitive sensors 30 and the second photosensitive sensors 42 is superposed with the y axis;
s2: as shown in fig. 4, it is determined whether the dual-axis rotating platform 10 rotates around the y-axis according to the light intensity difference received by the two first photosensors 30 disposed oppositely along the x-axis until the light intensity difference of the two first photosensors 30 disposed oppositely along the x-axis is lower than Δ E, and similarly, it is determined whether the dual-axis rotating platform 10 rotates around the x-axis according to the light intensity difference received by the two first photosensors 30 disposed oppositely along the y-axis until the light intensity difference of the two first photosensors 30 disposed oppositely along the y-axis is lower than Δ E, so that the direction of the automatic tracking and measuring device approaches the sun direction, and the first-stage adjustment of the posture of the automatic tracking and measuring device in the sun direction is completed;
s3: as shown in fig. 5, the photosensitive sensor assembly 40 disposed at the bottom of the dark cabin 20 is lifted by the power device until the photosensitive sensor assembly 40 receives sunlight, and the climbing height of the photosensitive sensor assembly 40 is locked, as shown in fig. 6, whether the dual-axis rotating platform 10 rotates around the y-axis is determined according to the light intensity difference received by the two second photosensitive sensors 42 disposed along the x-axis of the photosensitive sensor assembly 40 until the light intensity difference of the two first photosensitive sensors 30 disposed along the x-axis is lower than Δ e, and similarly, whether the dual-axis rotating platform 10 rotates around the x-axis is determined according to the light intensity difference received by the two second photosensitive sensors 42 disposed along the y-axis of the photosensitive sensor assembly 40 until the light intensity difference of the two second photosensitive sensors 42 disposed along the y-axis is lower than Δ e, so that the direction of the automatic sun tracking and measuring device is accurately locked, the second-stage adjustment of the attitude of the automatic tracking and measuring device in the direction of the day is completed, the adjustment angle is stored in the control module 80, and the angle of the day at the moment is calculated according to the adjustment angle and through a coordinate rotation formula.
Firstly, controlling the dual-axis rotating platform 10 to rotate around the y axis or the x axis according to the light intensity difference received by the pair of first photosensitive sensors 30 oppositely arranged along the x axis or the y axis until the light intensity difference of the two pairs of first photosensitive sensors 30 arranged along the orthogonal direction is lower than a set standard, so that the pointing direction of the automatic tracking and measuring device is close to the solar direction; after the initial positioning, the power device is used for lifting the photosensitive sensor assembly 40 arranged at the bottom of the dark cabin 20 until the photosensitive sensor assembly 40 locks the climbing height of the photosensitive sensor assembly 40 when receiving sunlight, the double-shaft rotating platform 10 is controlled to rotate around the y axis or the x axis according to the light intensity difference received by the two pairs of second photosensitive sensors 42 which are oppositely arranged along the x axis or the y axis and are closely attached and arranged along the y axis or the y axis until the light intensity difference of the two pairs of second photosensitive sensors 42 arranged along the orthogonal direction is lower than a set standard, the using method firstly uses the two pairs of first photosensitive sensors 30 which are orthogonally arranged at the edge of the double-shaft rotating platform 10 to carry out primary sun tracking, then uses the two pairs of second photosensitive sensors 42 which are orthogonally arranged in the dark cabin 20 to carry out secondary direction calibration, and the measurement error can be controlled below 1 degree through detection, thereby greatly improving the precision of the sun direction measurement, the method has the advantages that the solar energy is efficiently utilized, and compared with an active calculation and measurement method based on the astronomy principle, the method is simple in operation, low in cost and high in applicability.
In the step S1, a light-transmitting dust cover 50 is further installed on the top of the dual-axis rotating platform 10, the light-transmitting dust cover 50 is a hemispherical transparent shell, the light-transmitting dust cover 50 and the dual-axis rotating platform 10 together form an enclosed space, and the dark cabin 20, the photosensitive sensor assembly 40, the power device and the control module 80 are all located in the enclosed space.
In the step S1, the light-shielding cover 60 is further installed on the inner side of the light-transmitting dust cover 50, the light-shielding cover 60 includes a cylindrical cover body 61 vertically disposed between the first photosensor 30 and the dark chamber 20, and an arc-shaped cover body 62 disposed on the top of the dark chamber 20, the cylindrical cover body 61 and the arc-shaped cover body 62 are connected into a whole, the top of the arc-shaped cover body 62 is provided with a light inlet 62a corresponding to the position of the dark chamber 20, and the light-shielding cover 60 is disposed so that sunlight can enter the dark chamber 20 only through the light inlet 62a, thereby ensuring the measurement accuracy of the photosensor assembly 40.
In the step S1, the power device adopts an air pump 70, the side wall of the dark chamber 20 is respectively provided with an air inlet 22 and an air outlet 21, the air inlet 22 is arranged below the photosensitive sensor assembly 40, the air outlet 21 is arranged above the photosensitive sensor assembly 40, the air pump 70 is respectively communicated with the air inlet 22 and the air outlet 21 through pipes, and the pipes are provided with one-way valves.
In step S3, after the day-wise automatic tracking and measuring device completes the initial positioning, the control module 80 controls the air pump 70 to inject air into the inner cavity of the dark cabin 20, and further pushes the photosensitive sensor assembly 40 to climb upwards along the axis of the dark cabin 20 until the photosensitive sensor assembly 40 receives sunlight, the control module 80 controls the air pump 70 to stop injecting air, and locks the climbing height of the photosensitive sensor assembly 40, as shown in fig. 7, after the auxiliary day-wise automatic tracking and measuring device accurately aligns to the day-wise direction, the control module 80 controls the air pump 70 to pump out the inner cavity air of the dark cabin 20, and the photosensitive sensor assembly 40 falls to the bottom of the dark cabin 20.
Step S3 further includes, in order to further complete more accurate tracking of the solar direction, using a power device to back the photosensitive sensor assembly 40 in stages, if the four second photosensitive sensors 42 in the photosensitive sensor assembly 40 have obvious received light intensity differences, combining the driving motor of the dual-axis rotating platform 10 to complete the stage adjustment of the attitude of the automatic tracking and measuring device of the solar direction according to the received light intensity differences of the four second photosensitive sensors 42, making the error between the automatic tracking and measuring device of the solar direction and the actual solar direction close to zero through the multi-stage attitude adjustment, and calculating the angle of the solar direction at this time through the adjustment angles of the automatic tracking and measuring device of the solar direction in the x axis and the y axis in the stage adjustment process stored in the control module 80.
In step S3, the light intensity difference Δ E is 5% to 10% of the larger of the light intensity values measured by the two first photosensors 30 disposed opposite to each other on the x-axis or the y-axis, and the light intensity difference Δ E is 5% to 10% of the larger of the light intensity values measured by the two second photosensors 42 disposed opposite to each other on the x-axis or the y-axis, so as to provide a basis for determining the light intensity difference and improve the accuracy of daily measurement, in this embodiment, 10% of the larger of the light intensity values is preferred.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. An automatic tracking and measuring device for daily direction, comprising: the system comprises a double-shaft rotating platform, four first photosensitive sensors, a dark cabin, a photosensitive sensor assembly, a power device and a control module; the dark storehouse that is the tube-shape connect perpendicularly in biax rotary platform's central authorities, four first photosensitive sensor along the orthogonal direction equipartition in the edge of biax rotary platform, relative setting is every right first photosensitive sensor's line with the center coincidence of biax rotary platform, photosensitive sensor subassembly set up in dark storehouse inner chamber can be in the axis removal along dark storehouse under power device's the promotion, photosensitive sensor subassembly includes closely laminating four second photosensitive sensors of arranging along the orthogonal direction, relative setting is every right second photosensitive sensor's line with the center coincidence of biax rotary platform, first photosensitive sensor, photosensitive sensor subassembly and power device all with control module group connects.
2. The automatic daily tracking and measuring device according to claim 1, wherein: it still includes the printing opacity dust cover, the printing opacity dust cover is hemispherical transparent shell, the printing opacity dust cover set up in biax rotary platform top constitutes an airtight space rather than, dark storehouse, photosensitive sensor subassembly, power device and control module group all are located in the airtight space.
3. The automatic daily tracking and measuring device according to claim 1, wherein: the power device adopts the air pump, the lateral wall in dark storehouse is equipped with air inlet and gas outlet respectively, the air inlet set up in photosensitive sensor subassembly below, the gas outlet set up in photosensitive sensor subassembly top, the air pump pass through the pipeline respectively with air inlet and gas outlet intercommunication, and be equipped with check valve on the pipeline.
4. The automatic daily tracking and measuring device according to claim 3, wherein: a clamping groove is arranged above the air inlet on the inner wall of the dark cabin along the radial direction, so that the photosensitive sensor assembly can be suspended and supported above the air inlet.
5. The automatic daily tracking and measuring device according to claim 3, wherein: the photosensitive sensor assembly further comprises a core disc, the four second photosensitive sensors are fixed to the top of the core disc, the outer diameter of the core disc is matched with the inner diameter of the dark bin, and the core disc is arranged in the inner cavity of the dark bin and can vertically slide along the axis of the core disc.
6. The automatic daily tracking and measuring device according to claim 2, wherein: it is still including setting up in the inboard light shield of printing opacity dust cover, the light shield includes the vertical tube-shape cover body that sets up between first photosensitive sensor and dark storehouse, and sets up in the arc cover body at dark storehouse top, just the tube-shape cover body with the arc cover body is connected as an organic wholely, arc cover body top is equipped with and secretly puts the corresponding light inlet hole in position.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012014236A1 (en) * | 2010-07-30 | 2012-02-02 | Alitec S.R.L. | Quadrant photodetector and related method for sun tracking |
| CN202255421U (en) * | 2011-09-26 | 2012-05-30 | 金海新源电气江苏有限公司 | Photoelectric sensor for solar track support |
| CN202281957U (en) * | 2011-11-01 | 2012-06-20 | 陕西科技大学 | Sun orientation sensor |
| CN202331213U (en) * | 2011-09-15 | 2012-07-11 | 昆明泊银科技有限公司 | Active tracking device for solar energy |
| CN104375516A (en) * | 2014-11-17 | 2015-02-25 | 北京首量科技有限公司 | Optical calibrating device with solar tracking function |
| CN206892676U (en) * | 2017-07-18 | 2018-01-16 | 福建农林大学 | A kind of solar tracking coordinate detection sensor device |
| CN207268847U (en) * | 2017-09-27 | 2018-04-24 | 甘肃酒钢集团西部重工股份有限公司 | A kind of sun light tracking sensor of band smoothing function |
-
2021
- 2021-12-06 CN CN202111515975.4A patent/CN114200968B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012014236A1 (en) * | 2010-07-30 | 2012-02-02 | Alitec S.R.L. | Quadrant photodetector and related method for sun tracking |
| CN202331213U (en) * | 2011-09-15 | 2012-07-11 | 昆明泊银科技有限公司 | Active tracking device for solar energy |
| CN202255421U (en) * | 2011-09-26 | 2012-05-30 | 金海新源电气江苏有限公司 | Photoelectric sensor for solar track support |
| CN202281957U (en) * | 2011-11-01 | 2012-06-20 | 陕西科技大学 | Sun orientation sensor |
| CN104375516A (en) * | 2014-11-17 | 2015-02-25 | 北京首量科技有限公司 | Optical calibrating device with solar tracking function |
| CN206892676U (en) * | 2017-07-18 | 2018-01-16 | 福建农林大学 | A kind of solar tracking coordinate detection sensor device |
| CN207268847U (en) * | 2017-09-27 | 2018-04-24 | 甘肃酒钢集团西部重工股份有限公司 | A kind of sun light tracking sensor of band smoothing function |
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| Publication number | Publication date |
|---|---|
| CN114200968B (en) | 2023-05-30 |
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