CN203465601U - Solar energy tracker and novel flat homotaxial solar energy tracking system - Google Patents

Solar energy tracker and novel flat homotaxial solar energy tracking system Download PDF

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Publication number
CN203465601U
CN203465601U CN201320429670.6U CN201320429670U CN203465601U CN 203465601 U CN203465601 U CN 203465601U CN 201320429670 U CN201320429670 U CN 201320429670U CN 203465601 U CN203465601 U CN 203465601U
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China
Prior art keywords
solar
solar energy
solar panel
tracker
tracking
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Withdrawn - After Issue
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CN201320429670.6U
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Chinese (zh)
Inventor
羊志军
彭程
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SUZHOU JUSHENG SOLAR ENERGY CO Ltd
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SUZHOU JUSHENG SOLAR ENERGY CO Ltd
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Abstract

The utility model provides a solar energy tracker and a novel flat homotaxial solar energy tracking system. The system comprises three or more solar energy trackers. Each solar energy tracker comprises two stand columns, four sensor assemblies, a solar cell panel mounting rack, a rotary driver, a bearing, a solar cell panel aluminum frame and a solar cell panel and further comprises a hoop, a right-angle connecting piece and an M8 erection bolt, wherein the hoop, the right-angle connecting piece and the M8 erection bolt play a role in connection. The solar energy tracker and the novel flat homotaxial solar energy tracking system are suitable for different installing places and installation gaps among different tracker arrays, and not affected by installation errors.

Description

Solar tracking device and novel flat single-axis solar tracking system
Technical field
The novel solar energy power generating field that relates to of this use, relates in particular to solar tracking device and novel flat single-axis solar tracking system.
background technology
Solar tracking system is in photo-thermal and photovoltaic generation process, and optimization sun power is used, and reaches the machinery and the ECU (Electrical Control Unit) system that improve photoelectric transformation efficiency.In solar energy tracking process, if keep solar panel at any time over against the sun, allow the light propulsion system of vertical irradiation solar panel at any time of sunshine, the generating efficiency of solar photovoltaic assembly will greatly improve so.But simultaneously, if left, solar panel always keeps sunshine vertical incidence, when angle of incidence of sunlight hour, such as sooner or later constantly, a part for solar panel can be blocked by the adjacent cell panel that more approaches sun incident direction, because cell piece in solar panel is cascaded structure, and crystal silicon battery plate is semiconductor material, when there is no solar radiation, resistance is very not large, and therefore, when part cell panel is blocked, the overall generated energy of cell panel can reduce greatly.
In order to allow solar panel hour avoid the shade between adjacent cell plate to block at angle of incidence of sunlight degree, need to carry out antitracking to sun power.Current existing single-axis solar antitracking method is: rely on the parameters such as installing space size between the angle of angle of incidence of sunlight, the size of tracker and tracker array to carry out after accurate Calculation, then draw best antitracking angle.
While sun power being carried out to antitracking according to above-mentioned antitracking method, there is following problem: (1) different infields, because longitude and latitude difference causes the angle of angle of incidence of sunlight, parameters such as spacing dimension, tracker size dimension and setting height(from bottom) between tracker array not identical, therefore existing antitracking operational factor can not be same local use; (2) this antitracking method needs a large amount of parameter computings, therefore the ability of the compute chip of controller and capacity all will be strengthened and increase, and has greatly improved the cost of system; (3) current construction precision and installation accuracy are difficult to meet the accuracy requirement of existing antitracking computing, thus in antitracking operational method, all added penalty coefficient at present, and so just greatly reduce power benefit.
utility model content
(1) technical matters that will solve
The purpose of this utility model is to propose a kind of solar tracking device and novel flat single-axis solar tracking system, make solar tracking system when carrying out sun power antitracking, solar panel can hour avoid the shade between adjacent cell plate to block at angle of incidence of sunlight degree.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model proposes a kind of solar tracking device, comprise two columns 1, four sensor modules 13, solar energy cell plate mounting bracket 5, revolution driver 6, bearing 7, solar panel aluminum frame 8 and solar panels 9;
Wherein, one end of two columns 1 contacts with ground, and the other end is connected with bearing 7 with revolution driver 6 respectively, and solar energy cell plate mounting bracket 5 one end are connected with revolution driver 6, and the other end is connected with bearing 7;
Solar panel 9 is embedded in solar panel aluminum frame 8, solar panel aluminum frame 8 is fixed on the centre of solar energy cell plate mounting bracket 5 tops, revolution driver 6 drives solar energy cell plate mounting bracket 5 to be rotated, and then drives solar panel aluminum frame 8 and solar panel 9 to be rotated;
Respectively there are two sensor modules 13 on two limits parallel with solar energy cell plate mounting bracket 5 on solar panel aluminum frame 8, and sensor module 13 lays respectively at the two ends on limit, and sensor module 13 is vertical with solar panel 9 upper surfaces.
Solar tracking device also comprises right-angle connector 10 and M8 erection bolt 11, and described sensor module 13 is connected with solar panel aluminum frame 8 with M8 erection bolt 11 by right-angle connector 10.
Solar tracking device also comprises anchor ear 12, and described solar energy cell plate mounting bracket 5 is fixed on solar panel aluminum frame 8 by anchor ear 12 and M8 erection bolt 11.
Wherein, sensor module 13 comprises installation of sensors plate 2, upper induction point 3 and lower induction point 4, and upper induction point 3 is fixed on installation of sensors plate 2 above and outwardly, lower induction point 4 is fixed on installation of sensors plate 2 below also outwardly.
Wherein, upper induction point 3 and lower induction point 4 are photoresistance.
A novel flat single-axis solar tracking system, comprises three above above-mentioned solar tracking devices.
(3) beneficial effect
Novel flat single-axis solar tracking system of the present utility model belongs to initiative the sun is carried out to antitracking, in carrying out sun power antitracking process, whether main upper induction point and lower induction point of take system is subject to solar irradiation as foundation, carries out sun power antitracking campaign; The installing space that the utility model need to not take between the relevant correlation parameter in infield and different tracker array carries out complex calculations as parameter, therefore, be applicable to the installing space between different infields and different tracker array, and in control system, saved a large amount of costs.
Accompanying drawing explanation
Fig. 1 is the rough schematic of separate unit tracker;
Fig. 2 is the original state of flat single-axis solar tracking system, and in figure, arrow is for from West to East;
Fig. 3 is the state that system starts to start antitracking campaign, and in figure, arrow is from east orientation west;
Fig. 4 is the state of No. one and No. two trackers system when the upper sensing point of sensor is subject to solar irradiation in the east, and in figure, arrow be western from east orientation;
Fig. 5 is that solar irradiation is mapped to No. one and No. two trackers state of system during the lower induction point of sensor in the east, and in figure, arrow be western from east orientation;
Fig. 6 is the state of No. one and No. two trackers system when the upper induction point of sensor is not subject to solar irradiation in the east, and in figure, arrow be western from east orientation;
The state of system when Fig. 7 is the end of antitracking campaign at sunrise, in figure, arrow is from east orientation west;
Fig. 8 is the original state of tracker at sunset, and in figure, arrow is for from West to East;
Fig. 9 is the state of the induction point up and down of No. two and No. three tracker west sensors system while being all subject to solar irradiation, and in figure, arrow is for from West to East;
Figure 10 is the state of the induction point up and down of No. two and No. three tracker west sensors system while all being blocked by shade, and in figure, arrow is for from West to East;
Figure 11 is the three-dimensional plot of tracker;
Figure 12 is the front view of tracker;
Figure 13 is the partial enlarged drawing of A in Figure 12;
Figure 14 is the cut-open view of two arrows in Figure 12;
Figure 15 is the cut-open view of two arrows in Figure 14;
Figure 16 is the side view of tracker;
Figure 17 is the vertical view of tracker;
Figure 18 is the partial enlarged drawing of B in Figure 15;
Figure 19 is the partial enlarged drawing of C in Figure 15.
In figure, 1 is column; 2 is installation of sensors plate; 3 is upper induction point; 4 is lower induction point; 5 is solar energy cell plate mounting bracket; 6 is revolution driver; 7 is bearing; 8 is solar energy battery board frame; 9 is solar panel; 10 is right-angle connector; 11 is M8 erection bolt; 12 is anchor ear; 13 is sensor module; 14 is a tracker; 15 is No. two trackers; 16 is No. three trackers; 17 is ground level.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
In order to allow the solar panel can be at any time over against the sun, embodiment of the present utility model have proposed a kind of sun power antitracking method, and the sun comprises the following steps at sunrise:
S101, whole solar tracking devices are rotated, making the angle between Solar panel backside and local horizon is set angle;
S102, be subject to illumination when solar tracking device easternmost sensor in the east, and all the other solar tracking devices sensor is not in the east while being subject to illumination, all solar tracking devices rotations westwards simultaneously;
S103, when described all the other solar tracking devices are when the upper induction point of sensors is subject to solar irradiation in the east, all solar tracking devices stop the rotation;
S104, when described all the other solar tracking devices are when the lower induction point of sensors is subject to solar irradiation in the east, all solar tracking devices rotate eastwards;
S105, when described all the other solar tracking devices are not when the upper induction point of sensors is subject to solar irradiation in the east, all trackers stop the rotation;
S106, constantly repeat S104 and S105, until the angle of Solar panel backside and ground level is while being setting value, antitracking campaign finishes.
Before sun sunset, sun power is carried out to normal pursuit movement, in this process, Solar panel backside keeps vertical with ground level.
The sun comprises the following steps at sunset:
S201, whole solar tracking devices are westwards rotated;
Before S202, sun sunset, start the two states of antitracking, as long as reach wherein a kind of state, just start the antitracking campaign before sun sunset;
State one: the spacing between solar tracking device is smaller, when the angle of Solar panel backside and ground level does not also reach set angle, except solar tracking device westernmost, upper and lower induction point on all the other solar tracking device west sensors is just blocked by shade, and the upper and lower induction point on the sensor of solar tracking device west is not blocked westernmost, so all solar tracking devices stop the rotation;
State two: the gap ratio between solar tracking device is larger, when the angle on Solar panel backside and ground is set angle, all tracker stops the rotation;
S203, be all subject to illumination when the upper and lower induction point of solar tracking device west sensor westernmost, and the upper and lower induction point of all the other solar tracking device west sensors is not while being all subject to solar irradiation, all solar tracking devices rotate eastwards; When the upper and lower induction point of all the other solar tracking device west sensors is all subject to solar irradiation, all solar tracking device stop motions;
S204, when the upper and lower induction point of all the other tracker west sensors of described sun power is all blocked, all solar tracking devices rotate eastwards;
S205, then constantly repeat S203 and S204, until Solar panel backside when parallel with ground level antitracking campaign finish.
Visible, in the sun power antitracking method proposing at the utility model embodiment, to the antitracking of the sun, be mainly to take the upper and lower induction point of sensor whether to be subject to solar irradiation be foundation, the method does not need to carry out complex calculations, therefore in control system, has saved a large amount of costs.
And, in the utility model embodiment, before sun sunrise, solar panel is generally in horizontality, so the utility model embodiment S101 is specially: the angle that whole solar tracking devices are rotated to eastwards between Solar panel backside and local horizon is setting value.
In addition, the setting value of the angle described in the present embodiment is 60 degree.
The solar tracking system that three solar tracking devices of take below form describes as example.The sun at sunrise, the work of antitracking campaign and stop upper and lower induction point by the east sensor of No. one and No. two tracker whether to be subject to solar irradiation be criterion.Now the antitracking of sun power is comprised the following steps:
S301, as shown in Figure 2, every day, solar panel was in horizontality before sunrise.
S302, when the sun just rises, solar tracking device rotates eastwards, when the angle of Solar panel backside and ground level is 60 while spending (60 degree angles are setting value, are the rotation extreme angles of tracker), whole solar tracking devices stop the rotation.
If the light intensity that S303 No., No. two and No. three trackers receive is identical, can judge weather in the cloudy day or there is no the sun, now whole trackers stops antitracking, then by astronomical algorithm, normally follows the tracks of solar motion.
As shown in Figure 3, if the sensor in No. three tracker east is subject to illumination, and the sensor in No. one and No. two tracker east is not subject to illumination, and the normal sunrise of the sun, starts to start antitracking campaign so, three trackers rotations westwards simultaneously.
S304, at three trackers simultaneously westwards in rotary course, when No. one and No. two trackers are when the upper sensing point of sensor is subject to solar irradiation in the east, as shown in Figure 4, whole trackers stop the rotation.
S305, as shown in Figure 5, when the sun slowly rises, solar irradiation is mapped to No. one and No. two trackers in the east during the lower induction point of sensor, and all trackers start slowly to rotate eastwards.
S306, as shown in Figure 6, when No. one and No. two trackers are not when the upper induction point of sensor is subject to solar irradiation in the east, all trackers stop the rotation.
S307, constantly repeat S305 and S306, until the angle of Solar panel backside and ground level is 60 while spending (60 degree angles are setting value, are the rotation extreme angles of tracker), as shown in Figure 7, antitracking campaign all finishes.
Before sun sunset, sun power is carried out to normal pursuit movement, in this process, Solar panel backside keeps vertical with ground level, and the light intensity that all tracker receives is identical.
The sun at sunset, the work of antitracking campaign and stop upper and lower induction point by the west sensor of No. two and No. three solar tracking devices whether to be subject to solar irradiation be criterion.Now the antitracking of sun power is comprised the following steps:
S401, whole tracking start normally to follow the tracks of solar motion by astronomical algorithm, and whole trackers westwards rotates.
Before S402, sun sunset, start the two states of antitracking, as long as reach wherein a kind of state, just start the antitracking campaign before sun sunset;
State one: the spacing between solar tracking device is smaller, the angle of Solar panel backside and ground level does not also reach 60 degree, and (60 degree angles are setting value, rotation extreme angles for tracker) time, upper and lower induction point on No. two and No. three tracker west sensors is just blocked by shade, and upper and lower induction point on a tracker west sensor is not blocked, so all solar tracking devices stop the rotation;
State two: the gap ratio between solar tracking device is larger, when the angle on Solar panel backside and ground is 60 while spending when (60 degree angles are setting value, are the rotation extreme angles of tracker), as shown in Figure 8, all trackers stop the rotation;
S403, be all subject to illumination when the upper and lower induction point of a tracker west sensor, and the upper and lower induction point of No. two and No. three tracker west sensors is not while being all subject to solar irradiation, all slowly rotations eastwards of solar tracking devices; When the upper and lower induction point of No. two and No. three tracker west sensors is all subject to solar irradiation, as shown in Figure 9, whole tracker stop motions.
S404, slowly decline when the sun, first the lower induction point that is No. two and No. three tracker west sensors is blocked by shade, when the sun continues slowly to decline, is then that the upper induction point of No. two and No. three tracker west sensors is blocked by shade, as shown in figure 10, whole trackers rotates eastwards.
S405, then constantly repeat S403 and S404, until the surface of solar panel when parallel with ground level antitracking campaign all finish, get back to initial state at sunrise.
Another embodiment of the present utility model has proposed a kind of novel flat single-axis solar tracking system, and this system comprises three above trackers as shown in figure 11, and these trackers are placed along east-west direction, and on same straight line.
As shown in figure 11, separate unit tracker comprises two columns 1, four sensor modules 13, solar energy cell plate mounting bracket 5, revolution driver 6, bearing 7, solar panel aluminum frame 8 and solar panels 9.
Wherein, one end of two columns 1 contacts with ground, the other end is connected with bearing 7 with revolution driver 6 respectively, solar energy cell plate mounting bracket 5 one end are connected with revolution driver 6, the other end is connected with bearing 7, solar panel aluminum frame 8 is fixed on the centre of solar energy cell plate mounting bracket 5 tops, and solar energy cell plate mounting bracket 5 wraparounds turn driver 6 and bearing 7 is rotated, and then drives solar panel aluminum frame 8 and solar panel 9 to be rotated; Solar panel 9 is embedded in solar panel aluminum frame 8; Respectively there are two sensor modules 13 on two limits parallel with solar energy cell plate mounting bracket 5 on solar panel aluminum frame 8, sensor module 13 lays respectively at the two ends on limit, sensor module 13 is vertical with solar panel 9, sensor module 13 comprises installation of sensors plate 2, upper induction point 3 and lower induction point 4, upper induction point 3 and lower induction point 4 are photoresistance, upper induction point 3 is fixed on installation of sensors plate 2 above and outwardly, lower induction point 4 is fixed on installation of sensors plate 2 below also outwardly.
As Figure 12 and 13, tracker also comprises right-angle connector 10 and M8 erection bolt 11.Sensor module 13 is connected with solar panel aluminum frame 8 with M8 erection bolt 11 by right-angle connector 10.
In addition, tracker also comprises anchor ear 12, solar energy cell plate mounting bracket 5 by anchor ear 12 and M8 erection bolt 11 be fixed on solar panel aluminum frame 8 below.
Therefore, the beneficial effects of the utility model are: novel flat single-axis solar tracking system of the present utility model belongs to initiative the sun is carried out to antitracking, in carrying out sun power antitracking process, whether main upper induction point and lower induction point of take system is subject to solar irradiation as foundation, carries out sun power antitracking campaign; The installing space that the utility model need to not take between the relevant correlation parameter in infield and different tracker array carries out complex calculations as parameter, therefore, be applicable to the installing space between different infields and different tracker array, and in control system, saved a large amount of costs.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.

Claims (6)

1. a solar tracking device, it is characterized in that, comprise two columns (1), four sensor modules (13), solar energy cell plate mounting bracket (5), revolution driver (6), bearing (7), solar panel aluminum frame (8) and solar panel (9);
Wherein, one end of two columns (1) contacts with ground, and the other end is connected with bearing (7) with revolution driver (6) respectively, and solar energy cell plate mounting bracket (5) one end is connected with revolution driver (6), and the other end is connected with bearing (7);
Solar panel (9) is embedded in solar panel aluminum frame (8), solar panel aluminum frame (8) is fixed on the centre of solar energy cell plate mounting bracket (5) top, revolution driver (6) drives solar energy cell plate mounting bracket (5) to be rotated, and then drives solar panel aluminum frame (8) and solar panel (9) to be rotated;
Respectively there are two sensor modules (13) on upper two limits parallel with solar energy cell plate mounting bracket (5) of solar panel aluminum frame (8), sensor module (13) lays respectively at the two ends on limit, and sensor module (13) is vertical with solar panel (9) upper surface.
2. solar tracking device according to claim 1, it is characterized in that, described solar tracking device also comprises right-angle connector (10) and M8 erection bolt (11), and described sensor module (13) is connected with solar panel aluminum frame (8) with M8 erection bolt (11) by right-angle connector (10).
3. solar tracking device according to claim 2, it is characterized in that, solar tracking device also comprises anchor ear (12), and described solar energy cell plate mounting bracket (5) is fixed on solar panel aluminum frame (8) by anchor ear (12) and M8 erection bolt (11).
4. solar tracking device according to claim 1, it is characterized in that, described sensor module (13) comprises installation of sensors plate (2), upper induction point (3) and lower induction point (4), upper induction point (3) is fixed on installation of sensors plate (2) above and outwardly, and lower induction point (4) is fixed on installation of sensors plate (2) below and outwardly.
5. solar tracking device according to claim 4, is characterized in that, upper induction point (3) and lower induction point (4) are photoresistance.
6. a novel flat single-axis solar tracking system, is characterized in that, comprises three solar tracking devices described in above claim 1~5 any one.
CN201320429670.6U 2013-07-17 2013-07-17 Solar energy tracker and novel flat homotaxial solar energy tracking system Withdrawn - After Issue CN203465601U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103365305A (en) * 2013-07-17 2013-10-23 苏州聚晟太阳能有限公司 Novel flat homotaxial solar energy tracking system and anti-tracking method
WO2019229041A1 (en) 2018-05-28 2019-12-05 Soltec Energías Renovables, Sl Method to reduce shading in a photovoltaic plant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103365305A (en) * 2013-07-17 2013-10-23 苏州聚晟太阳能有限公司 Novel flat homotaxial solar energy tracking system and anti-tracking method
CN103365305B (en) * 2013-07-17 2015-10-28 苏州聚晟太阳能有限公司 A kind of solar tracking device and sun power antitracking method
WO2019229041A1 (en) 2018-05-28 2019-12-05 Soltec Energías Renovables, Sl Method to reduce shading in a photovoltaic plant

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