CN201561799U - Photosensing device of solar tracker - Google Patents
Photosensing device of solar tracker Download PDFInfo
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- CN201561799U CN201561799U CN2009201751411U CN200920175141U CN201561799U CN 201561799 U CN201561799 U CN 201561799U CN 2009201751411 U CN2009201751411 U CN 2009201751411U CN 200920175141 U CN200920175141 U CN 200920175141U CN 201561799 U CN201561799 U CN 201561799U
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- light
- shading
- tracking system
- sensing apparatus
- sun tracking
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Abstract
The utility model relates to a photosensing deice of a solar tracker, which comprises a shading base plate, a shading outer cover, a light guide element and a photosensor, wherein the shading outer cover is provided with a long and narrow opening which is arranged upwards; the light guide element is provided with a long and narrow light incident surface and a light emergent surface; the long and narrow light incident surface of the light guide element is exposed from the long and narrow opening of the shading outer cover for accepting outside light; and the photosensor is arranged besides the light guide element for receiving light guided by the light emergent surface of the light guide element and generating an electric signal. With the long and narrow light incident surface, the photosensing deice is sensitive to the angle change of incident light, so that the accuracy of the solar tracker can be improved.
Description
Technical field
The utility model relates to a kind of light sensing apparatus, particularly a kind of light sensing apparatus that is applied to sun tracking system.
Background technology
Existing solar panels are to be fixed on the fixed mount of a fixed position and angle, can only accept the sunshine of fixed angle, yet, because the revolution activity of the rotation of the earth itself and the sun that detours, cause the sunshine can be because of latitude for the incident angle of solar panel, season, time is different, therefore, the solar panels of fixed angle can't receive the sunshine of incident effectively, causing solar panels can't give full play to it should be profitable, for this reason, but the controller that relevant dealer then designs various automatic guide light sources or follows spot, make solar panels as much as possible towards the sun, to promote its application benefit, and one of optical sensor of the controller of following spot is to utilize the optical sensor that is arranged at diverse location in the potential difference (PD) that produced by the light time, utilize the s operation control solar panels deflection of control chip again, yet existing optical sensor directly is subjected to light because of large tracts of land, change insensitively for the sunshine angle, and then influence the accuracy of sun tracking system; Utilizing complementary metal-oxide layer-semiconductor (CMOS) image sensing then is that cost is too high as optical sensor, unfavorable business development.
Comprehensively above-mentioned, how to realize low cost and be the target that the present utmost point need be made great efforts for the optical sensor of optic angle degree sensitivity.
Summary of the invention
The purpose of this utility model is in order to address the above problem, the utility model proposes a kind of light sensing apparatus of sun tracking system, utilize a long and narrow incidence surface of a light-guide device to make light sensing apparatus change sensitivity, improve the degree of accuracy of sun tracking system for incident sunshine angle.
For reaching above-mentioned purpose, the utility model provides a kind of light sensing apparatus of sun tracking system, comprising: a shading base plate, the upright setting; One shading enclosing cover, a side that is arranged at this shading base plate forms an accommodation space, and wherein this shading enclosing cover has a slotted opening and is provided with up; One light-guide device is arranged in this accommodation space, and wherein this light-guide device has a long and narrow incidence surface and an exiting surface; This slotted opening of this shading enclosing cover exposes this long and narrow incidence surface of this light-guide device; After entering this light-guide device by this long and narrow incidence surface, an extraneous light derives this light by this exiting surface; And an optical sensor, it is other in order to receive this light of being derived by this exiting surface of this light-guide device and to produce an electric signal to be arranged at this light-guide device.
For reaching above-mentioned purpose, the utility model also provides a kind of light sensing apparatus of sun tracking system, comprising: a shading base plate, the upright setting; Two shading enclosing covers are arranged at the both sides of this shading base plate and form an accommodation space respectively, and wherein each described shading enclosing cover has a slotted opening and is provided with up; Two light-guide devices are arranged at respectively in the described accommodation space, and wherein each described light-guide device has a long and narrow incidence surface and an exiting surface respectively; This slotted opening of each described shading enclosing cover exposes this long and narrow incidence surface of each described light-guide device respectively; After entering described light-guide device by described long and narrow incidence surface, an extraneous light derives this light by described exiting surface; And two optical sensors, it is other in order to receive this light of being derived by this exiting surface of each described light-guide device and to produce two electric signals to be arranged at each described light-guide device respectively.
Below illustrate in detail by the specific embodiment conjunction with figs., when the effect that is easier to understand the purpose of this utility model, technology contents, characteristics and is reached.
Description of drawings
Fig. 1 is the explosive view of an embodiment of the present utility model;
Fig. 2 is the synoptic diagram of an embodiment of the present utility model;
Fig. 3 is the explosive view of another embodiment of the present utility model;
Fig. 4 is the explosive view of another embodiment of the present utility model;
Fig. 5 is the synoptic diagram of another embodiment of the present utility model;
Fig. 6 is used to detect the synoptic diagram of position of sun for another embodiment of the present utility model;
Fig. 7 is the explosive view of another embodiment of the present utility model;
Fig. 8 is the synoptic diagram of another embodiment of the present utility model;
Fig. 9 is the explosive view of another embodiment of the present utility model;
Figure 10 is the explosive view of another embodiment of the present utility model;
Figure 11 is the synoptic diagram of another embodiment of the present utility model;
Figure 12 is used to detect the synoptic diagram of position of sun for another embodiment of the present utility model.
Symbol description among the figure
1, the light sensing apparatus of 1 ' 2,7,7 ', 10 sun tracking systems
11,21,71,101 shading base plates
12,22,72,102 shading enclosing covers
13,23,73,103 light-guide devices
14,24,74,104 optical sensors
15,25,75,105 diffuser plates
26,106 reflecting plates
121,221,721,1021 slotted openings
131,231,731,1031 long and narrow incidence surfaces
132,232,732,1032 exiting surfaces
211,1011 draw-in grooves
223,1023 shadow shields
223a, 1023a pilot hole
224,1024 light shields
225,1025 pads
225a, 1025a pad pilot hole
226,1026 trips
27,107 solid latch fittings
60 axis of symmetry
Embodiment
The utility model is described in detail as follows, and described preferred embodiment is only done an explanation but not in order to limit the utility model.
Please refer to Fig. 1, Fig. 2, be the explosive view and the synoptic diagram of the light sensing apparatus 1 of the sun tracking system of an embodiment of the present utility model.As shown in Figure 1, the light sensing apparatus 1 of sun tracking system comprises a shading base plate 11, a shading enclosing cover 12, a light-guide device 13 and an optical sensor 14.Wherein, shading base plate 11 uprightly is provided with; The side that shading enclosing cover 12 is arranged at shading base plate 11 forms an accommodation space, and wherein shading enclosing cover 12 can be formed in one or be made of a plurality of element; Shading enclosing cover 12 has a slotted opening 121 and is provided with up, the position of slotted opening 121 can be but not be subject in the scope of shading base plate 11, enter slotted opening 121 slotted openings 121 and constituted in order to block the light of opposite side that a side of shading enclosing cover 12 is set from shading base plate 11 by shading base plate 11 and shading enclosing cover 12, but not as limit, slotted opening 121 also can be arranged on the shading enclosing cover 12.Light-guide device 13 is arranged in the accommodation space of shading enclosing cover 12, and wherein light-guide device 13 has a long and narrow incidence surface 131 and an exiting surface 132, and the slotted opening 121 of shading enclosing cover 12 exposes the long and narrow incidence surface 131 of light-guide device 13, as shown in Figure 2; Extraneous light enters light-guide device 13 backs by long and narrow incidence surface 131 and derives light by exiting surface 132, for instance, light-guide device 13 can be a light guide plate, and long and narrow incidence surface 131 is a sidewall of light-guide device (light guide plate) 13, and in the opposite face of the exiting surface 132 a plurality of reflecting bodys (not icon) that distribute, reflecting body is for utilizing the formed printing ink point of screen painting, or the salient point that utilizes micro image etching procedure to form, after a light in the external world entered light-guide device 13 by long and narrow incidence surface 131, reflecting body reflexed to exiting surface 132 with light.
Above-mentioned explanation continues, it is other in order to receive the light of being derived by the exiting surface 132 of light-guide device 13 and to produce an electric signal that optical sensor 14 is arranged at light-guide device 13, for instance, optical sensor 14 can be solar panels or the structure of being made up of a photoresistance or an optical diode.
Fig. 3 is the explosive view of light sensing apparatus 1 ' of the sun tracking system of another embodiment of the present utility model, be with the embodiment difference of Fig. 1, the light-guide device 13 of the light sensing apparatus 1 ' of sun tracking system can be a plurality of optical fiber and forms, one end of light-guide device (a plurality of optical fiber) 13 constitutes long and narrow incidence surface 131, the other end of light-guide device (a plurality of optical fiber) 13 is towards optical sensor 14, more comprise a diffuser plate 15 and be arranged at 14 of light-guide device (a plurality of optical fiber) 13 and optical sensors, evenly diffuse on the surface of optical sensor 14 in order to the light that will be derived.
Fig. 4 is the explosive view of light sensing apparatus 2 of the sun tracking system of another preferred embodiment of the present utility model, comprises a shading base plate 21, a shading enclosing cover 22, a light-guide device 23, an optical sensor 24, a reflecting plate 26 and a diffuser plate 25.Wherein, shading base plate 21 uprightly is provided with; The side that shading enclosing cover 22 is arranged at shading base plate 21 forms an accommodation space, and the mode that is provided with can be but is not subject at least one trip 226 that is arranged at shading enclosing cover 22 and is embedded at least one draw-in groove 211 that is arranged at shading base plate 21.
Above-mentioned explanation continues, light-guide device 23 is arranged in the accommodation space, wherein light-guide device 23 has a long and narrow incidence surface 231 and an exiting surface 232, for instance, light-guide device 23 can be a light guide plate, and long and narrow incidence surface 231 is a sidewall of light-guide device (light guide plate) 23, and in the opposite face of the exiting surface 232 a plurality of reflecting bodys (not icon) that distribute, reflecting body is for utilizing the formed printing ink point of screen painting, or the salient point that utilizes micro image etching procedure to form, after the light in the external world entered light-guide device (light guide plate) 23 by long and narrow incidence surface 231, reflecting body reflexed to exiting surface 232 with light; The slotted opening 221 of shading enclosing cover 22 exposes the long and narrow incidence surface 231 of light-guide device (light guide plate) 23, and Fig. 5 is the synoptic diagram of light sensing apparatus of the sun tracking system of present embodiment; Extraneous light enters light-guide device (light guide plate) 23 backs by long and narrow incidence surface 231 and derives light by exiting surface 232; Reflecting plate 26 is arranged at 23 of shading base plate 21 and light-guide devices (light guide plate) in order to light is reflexed to the exiting surface light 232 of light-guide device (light guide plate) 23, improves reflection efficiency; It is other in order to receive the light of being derived by the exiting surface 232 of light-guide device 23 and to produce an electric signal that optical sensor 24 is arranged at light-guide device 23, and for instance, optical sensor 24 can be solar panels or the structure of being made up of a photoresistance or an optical diode; Diffuser plate 25 is arranged at 24 of light-guide device (light guide plate) 23 and optical sensors and evenly diffuses on the surface of optical sensor 24 in order to the light that will be derived.
Be noted that, shading enclosing cover 22 can be formed in one or be made of a plurality of element, for instance, shading enclosing cover 22 comprises a shadow shield 223, a light shield 224 and at least one pad 225, light sensing apparatus 2 in the sun tracking system of the utility model embodiment comprises two pads 225,225, and wherein two pads 225,225 are arranged on the shading base plate 21; Shadow shield 223 two ends have two pilot hole 223a, 223a, have a pad pilot hole 225a corresponding on each pad 225 with pilot hole 223a, utilize a solid latch fitting 27, screw for example, bolt, see through pilot hole 223a and pad pilot hole 225a with two pads 225,225 are arranged at shadow shield 223 two ends, forming a slotted opening 221 is provided with up, be noted that, the position of slotted opening 221 can be but not be subject in the scope of shading base plate 21, enter slotted opening 221 in order to block the light of opposite side that a side of shading enclosing cover 22 is set from shading base plate 21, in addition, two pads 225,225 also can block the light of extraneous side direction.
As shown in Figure 6, the light sensing apparatus 2,2 of the sun tracking system of two embodiment is symmetrical in the position that an axis of symmetry 60 mirror image settings just can the sensing sun, its start mechanism is as follows, suppose that the sun initially is positioned on the axis of symmetry 60, then the optical sensor of the light sensing apparatus 2,2 of two sun tracking systems (among Fig. 6 not icon) distinguish the electric signal (for example current value) of sensing will be about equally; If sun operation departs from axis of symmetry 60, then the light path degree that is subjected to of the light sensing apparatus 2,2 of the sun tracking system of axis of symmetry 60 left and right sides will be different, so the numerical value of the electric signal of the optical sensor institute sensing of axis of symmetry 60 left and right sides is also different.Be electrically connected at a control circuit (not icon) of two optical sensors, will be according to the difference of electric signal numerical value, light sensing apparatus 2,2 with respect to axis of symmetry 60 rotation sun tracking systems, till the electric signal of the sensing that optical sensor is distinguished of the light sensing apparatus 2,2 of two sun tracking systems will be about equally, in other words, the sun will be positioned on the axis of symmetry 60 once more, so just realize the effect of solar tracking.Because the slotted opening 221 of shading enclosing cover 22 only allows the light of small angle range enter light-guide device (among Fig. 6 not icon) and makes optical sensor produce electric signal, therefore the sensitivity that changes for the detecting position of sun will greatly promote, in addition, the optical sensor of the light sensing apparatus 2 of the utility model sun tracking system can be the composition of solar panels or photoresistance and optical diode, and cost is all far below the sun tracking system that utilizes complementary metal-oxide layer-semiconductor (CMOS) image sensor.Utilize the light sensing apparatus 1 and 1 ' of the sun tracking system of the utility model embodiment to realize that the setting and the mechanism of position of the sensing sun is also same as described above, do not repeat them here.
Fig. 7, Fig. 8 are the explosive view and the synoptic diagram of light sensing apparatus 7 of the sun tracking system of another embodiment of the utility model.As shown in Figure 7, the light sensing apparatus 7 of sun tracking system comprises a shading base plate 71, two shading enclosing covers 72,72, two light- guide devices 73,73 and two optical sensors 74,74.Wherein, shading base plate 71 uprightly is provided with; Two shading enclosing covers 72,72 are arranged at the both sides of shading base plate 71, and form an accommodation space respectively, and wherein each shading enclosing cover 72 can be formed in one or be made of a plurality of element; Each shading enclosing cover 72 has a slotted opening 721 respectively and is provided with up, the position of slotted opening 721 can be but not be subject in the scope of shading base plate 71, enters slotted opening 721 in order to block the light that the opposite side of each shading enclosing cover 72 1 side is set from shading base plate 71; Each slotted opening 721 is made of shading base plate 71 and each shading enclosing cover 72, but not as limit, each slotted opening 721 also can be arranged on each shading enclosing cover 72.Two light- guide devices 73,73 are arranged at respectively in the accommodation space of each shading enclosing cover 72, wherein each light-guide device 73 has a long and narrow incidence surface 731 and an exiting surface 732 respectively, the slotted opening 721 of each shading enclosing cover 72 exposes the long and narrow incidence surface 731 of each light-guide device 73, as shown in Figure 8; Extraneous light is entered by each long and narrow incidence surface 731 and leads each optical element 73 back by exiting surface 732 derivation light, for instance, each light-guide device 73 can be a light guide plate, and the sidewall that each long and narrow incidence surface 731 is a light-guide device (light guide plate) 73, and in the opposite face of the exiting surface 732 a plurality of reflecting bodys (not icon) that distribute, reflecting body is for utilizing the formed printing ink point of screen painting, or the salient point that utilizes micro image etching procedure to form, when the light in the external world after long and narrow incidence surface 731 enters each light-guide device 73 by each, reflecting body reflexes to exiting surface 732 with light.It is other in order to receive the light of being derived by the exiting surface 732 of each light-guide device 73 and to produce an electric signal that each optical sensor 74 is arranged at each light-guide device 73, for instance, each optical sensor 74 can be solar panels or the structure of being made up of a photoresistance or an optical diode.
Fig. 9 is the explosive view of light sensing apparatus 7 ' of the sun tracking system of another embodiment of the utility model, be with the embodiment difference of Fig. 7, each light-guide device 73 of the light sensing apparatus 7 ' of sun tracking system can be a plurality of optical fiber and forms, one end of each light-guide device (a plurality of optical fiber) 73 constitutes long and narrow incidence surface 731, the other end of each light-guide device (a plurality of optical fiber) 73 is respectively towards optical sensor 74, more comprise two diffuser plates 75,75 are arranged at 74 of each light-guide device (a plurality of optical fiber) 73 and each optical sensors respectively, evenly diffuse on the surface of each optical sensor 74 in order to the light that will be derived.
Figure 10 is the explosive view of light sensing apparatus 10 of the sun tracking system of another embodiment of the utility model, comprises a shading base plate 101, two shading enclosing covers 102,102, two light-guide devices 103,103, two optical sensors 104,104, two reflecting plates 106,106 and two diffuser plates 105,105.Wherein, shading base plate 101 uprightly is provided with; Two shading enclosing covers 102,102 are arranged at the both sides of shading base plate 101 respectively and form an accommodation space, and the mode that is provided with can be but is not subject at least one trip 1026 that is arranged at each shading enclosing cover 102 and is embedded at least one draw-in groove 1011 that is arranged at shading base plate 101.
Above-mentioned explanation continues, each light-guide device 103 is arranged at respectively in the accommodation space of each shading enclosing cover 102, wherein each light-guide device 103 has a long and narrow incidence surface 1031 and an exiting surface 1032, for instance, each light-guide device 103 can be a light guide plate, and long and narrow incidence surface 1031 is a sidewall of light-guide device (light guide plate) 103, and in the opposite face of the exiting surface 1032 a plurality of reflecting bodys (not icon) that distribute, reflecting body is for utilizing the formed printing ink point of screen painting, or the salient point that utilizes micro image etching procedure to form, after the light in the external world entered light-guide device (light guide plate) 103 by long and narrow incidence surface 1031, reflecting body reflexed to exiting surface 1032 with light; The slotted opening 1021 of each shading enclosing cover 102 exposes the long and narrow incidence surface 1031 of each light-guide device (light guide plate) 103, and Figure 11 is the synoptic diagram of light sensing apparatus of the sun tracking system of present embodiment; Extraneous light enters each light-guide device (light guide plate) 103 backs by each long and narrow incidence surface 1031 and derives light by exiting surface 1032; Each reflecting plate 106 is arranged at 103 of each shading base plate 101 and each light-guide devices (light guide plate) respectively in order to light is reflexed to the exiting surface light 1032 of each light-guide device (light guide plate) 103, improves reflection efficiency; It is other in order to receive the light of being derived by the exiting surface 1032 of each light-guide device (light guide plate) 103 and to produce an electric signal that each sensor 104 is arranged at each light-guide device (light guide plate) 103, for instance, each optical sensor 104 can be solar panels or the structure of being made up of a photoresistance or an optical diode; Each diffuser plate 105 is arranged at 104 of each light-guide device (light guide plate) 103 and each optical sensors and evenly diffuses on the surface of each optical sensor 104 in order to the light that will be derived.
Be noted that, each shading enclosing cover 102 can be formed in one or be made of a plurality of element, for instance, each shading enclosing cover 102 comprises a shadow shield 1023 respectively, one light shield 1024 and at least one pad 1025, each shading enclosing cover 102 comprises two pads 1025 in the light sensing apparatus 10 of the sun tracking system of the utility model embodiment, 1025, its Intermediate gasket 1025 is arranged on the shading base plate 101, wherein shadow shield 1023 two ends have two pilot hole 1023a, 1023a, have a pad pilot hole 1025a corresponding on each pad 1025 with pilot hole 1023a, utilize a solid latch fitting 107, screw for example, bolt, see through pilot hole 1023a and pad pilot hole 1025a with two pads 1025,1025 are arranged at shadow shield 1023 two ends, forming a slotted opening 1021 is provided with up, be noted that the position of each slotted opening 1021 can be but is not subject in the scope of shading base plate 101.
As shown in figure 12, the start mechanism of the position of the light sensing apparatus 10 sensing sun of the sun tracking system of the utility model embodiment is as follows, suppose that the sun initially is positioned at extending upward on the line of shading base plate 101, then two optical sensors of the light sensing apparatus 10 of sun tracking system (among Figure 12 not icon) distinguish the electric signal (for example current value) of sensing will be about equally; If sun operation departs from the extension line of shading base plate 101, then the left and right sides of shading base plate 101 be subjected to the light path degree with inequality, just, the electric signal of the optical sensor of the left and right sides of shading base plate 101 institute sensing is also different.Be electrically connected at a control circuit (not icon) of two optical sensors, will be according to the difference of electric signal numerical value, the light sensing apparatus 10 of rotation sun tracking system, till the electric signal of the sensing that two optical sensors are distinguished of the light sensing apparatus 10 of sun tracking system will be about equally, in other words, the sun will be positioned on the extension line of shading base plate 101 once more, so just realize the effect of solar tracking.Because the slotted opening 1021 of shading enclosing cover 102 only allows the light of small angle range enter light-guide device and make optical sensor produce electric signal, therefore the sensitivity that changes for the detecting position of sun will greatly promote, in addition, two optical sensors 104,104 of the light sensing apparatus 10 of the utility model sun tracking system can be solar panels or by the structure of forming of photoresistance and optical diode, cost is all far below the sun tracking system that utilizes complementary metal-oxide layer-semiconductor (CMOS) image sensor.Utilize the light sensing apparatus 7 and 7 ' of the sun tracking system of the utility model embodiment to realize that the setting and the mechanism of position of the sensing sun is also same as described above, do not repeat them here.
Comprehensive the above, when position of sun changes, utilize the difference of electric signal of optical sensor institute sensing of the light sensing apparatus of the utility model sun tracking system, the position of sun-tracing, and the long and narrow incidence surface that utilizes light-guide device makes light sensing apparatus for incident sunshine angle variation sensitivity, the degree of accuracy of raising sun tracking system.
Above-described embodiment only is explanation technological thought of the present utility model and characteristics, its purpose makes those skilled in the art can understand content of the present utility model and is implementing according to this, when can not with qualification claim of the present utility model, promptly the equalization of doing according to the spirit that the utility model disclosed generally changes or modifies, and must be encompassed in the claim of the present utility model.
Claims (22)
1. the light sensing apparatus of a sun tracking system is characterized in that, comprises:
One shading base plate, the upright setting;
One shading enclosing cover, a side that is arranged at this shading base plate forms an accommodation space, and wherein this shading enclosing cover has a slotted opening and is provided with up;
One light-guide device is arranged in this accommodation space, and wherein this light-guide device has a long and narrow incidence surface and an exiting surface; This slotted opening of this shading enclosing cover exposes this long and narrow incidence surface of this light-guide device; After entering this light-guide device by this long and narrow incidence surface, an extraneous light derives this light by this exiting surface; And
One optical sensor is arranged at this light-guide device side in order to receive this light of being derived by this exiting surface of this light-guide device and to produce an electric signal.
2. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this light-guide device is that a light guide plate and this long and narrow incidence surface are a sidewall of this light guide plate.
3. the light sensing apparatus of sun tracking system as claimed in claim 2 is characterized in that, also comprises a reflecting plate, is arranged between this shading base plate and this light guide plate in order to this light is reflected this exiting surface to this light guide plate.
4. the light sensing apparatus of sun tracking system as claimed in claim 2 is characterized in that, also comprises a diffuser plate, is arranged between this light guide plate and this optical sensor evenly to diffuse on the surface of this optical sensor in order to this light that will be derived.
5. the light sensing apparatus of sun tracking system as claimed in claim 1, this shading enclosing cover also comprises at least one pad and is arranged on this shading base plate.
6. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this light-guide device is made up of a plurality of optical fiber; One end of described optical fiber constitutes this long and narrow incidence surface; And the other end of described optical fiber is towards this optical sensor.
7. the light sensing apparatus of sun tracking system as claimed in claim 6 is characterized in that, also comprises a diffuser plate, is arranged between described optical fiber and this optical sensor evenly to diffuse on the surface of this optical sensor in order to this light that will be derived.
8. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this optical sensor is solar panels.
9. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this optical sensor is made up of a photoresistance or an optical diode.
10. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this shading enclosing cover can be formed in one or be made of a plurality of element.
11. the light sensing apparatus of sun tracking system as claimed in claim 1 is characterized in that, this slotted opening is by this shading base plate and this shading enclosing cover is constituted or this slotted opening is arranged at this shading and covers outward.
12. the light sensing apparatus of a sun tracking system is characterized in that, comprises:
One shading base plate, the upright setting;
Two shading enclosing covers are arranged at the both sides of this shading base plate and form an accommodation space respectively, and wherein, each described shading enclosing cover has a slotted opening and is provided with up;
Two light-guide devices are arranged at respectively in the described accommodation space, and wherein, each described light-guide device has a long and narrow incidence surface and an exiting surface respectively; This slotted opening of each described shading enclosing cover exposes this long and narrow incidence surface of each described light-guide device respectively; After entering described light-guide device by described long and narrow incidence surface, an extraneous light derives this light by described exiting surface; And
Two optical sensors are arranged at each described light-guide device side respectively in order to receive this light of being derived by this exiting surface of each described light-guide device and to produce two electric signals.
13. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, described light-guide device is that light guide plate and each described long and narrow incidence surface are a sidewall of this light guide plate.
14. the light sensing apparatus of sun tracking system as claimed in claim 13 is characterized in that, also comprises two reflecting plates, is arranged at respectively between this shading base plate and each described light guide plate in order to this light is reflected the described exiting surface to described light guide plate.
15. the light sensing apparatus of sun tracking system as claimed in claim 13, it is characterized in that, also comprise two diffuser plates, be arranged at respectively between each described light guide plate and each described optical sensor and evenly diffuse on the surface of each described optical sensor in order to this light that will be derived.
16. the light sensing apparatus of sun tracking system as claimed in claim 12, each described shading enclosing cover also comprises at least one pad, is arranged on this shading base plate.
17. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, each described light-guide device is made up of a plurality of optical fiber; One end of described optical fiber constitutes each described long and narrow incidence surface; And an end of described optical fiber is towards each described optical sensor.
18. the light sensing apparatus of sun tracking system as claimed in claim 17, it is characterized in that, also comprise two diffuser plates, be arranged at respectively between each described optical fiber and each described optical sensor and evenly diffuse on the surface of each described optical sensor in order to this light that will be derived.
19. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, each described optical sensor is solar panels.
20. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, each described optical sensor is made up of a photoresistance or an optical diode.
21. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, each described shading enclosing cover can be formed in one or be made of a plurality of element.
22. the light sensing apparatus of sun tracking system as claimed in claim 12 is characterized in that, each described slotted opening is by this shading base plate and each described shading enclosing cover is constituted or each described slotted opening is arranged at each described shading and covers outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201751411U CN201561799U (en) | 2009-10-22 | 2009-10-22 | Photosensing device of solar tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201751411U CN201561799U (en) | 2009-10-22 | 2009-10-22 | Photosensing device of solar tracker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561799U true CN201561799U (en) | 2010-08-25 |
Family
ID=42626946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201751411U Expired - Fee Related CN201561799U (en) | 2009-10-22 | 2009-10-22 | Photosensing device of solar tracker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561799U (en) |
-
2009
- 2009-10-22 CN CN2009201751411U patent/CN201561799U/en not_active Expired - Fee Related
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