CN203164764U - PSD-based high-precision sun-orientation tracking apparatus - Google Patents
PSD-based high-precision sun-orientation tracking apparatus Download PDFInfo
- Publication number
- CN203164764U CN203164764U CN 201320041492 CN201320041492U CN203164764U CN 203164764 U CN203164764 U CN 203164764U CN 201320041492 CN201320041492 CN 201320041492 CN 201320041492 U CN201320041492 U CN 201320041492U CN 203164764 U CN203164764 U CN 203164764U
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- psd
- housing
- orientation tracking
- assembly
- tracking means
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Abstract
The utility model relates to the sun energy technology field and in particular relates to a PSD-based high-precision sun-orientation tracking apparatus. The technical scheme provided by the utility model is that the PSD-based high-precision sun-orientation tracking apparatus is a sensor. The sensor comprises a housing, a base, a lens, a lens compressed sheet, a semiconductor heating block, a heat isolation member and a photocell. A PSD and a PSD assembly are mounted in the housing, a truncated-cone type hole is disposed on an upper wall, the lens compressed sheet is arranged on an outer side of the upper wall and the lens is compressed in the lens compressed sheet. The lens and the truncated-cone type hole are aligned. Four photosensitive devices are uniformly distributed on a central part outside the housing. The PSD assembly is disposed in the housing. The heat isolation member is fixedly connected with the housing and is arranged outside the PSD assembly. The semiconductor heating block is mounted on a lower part of a support plate in the assembly. The sun-orientation tracking apparatus has very wide detection visual angles capable of achieving 270 DEG. Light intensity change cannot affect angle measurement. Measurement precision can achieve 0.001 DEG in a temperature scope between -40 DEG C and 60 DEG C.
Description
Technical field
The utility model relates to the solar energy source field, is specifically related to for the solar energy highly effective collection and utilizes equipment technical field, further relates to a kind of high-precision sun orientation tracking means based on PSD.
Background technology
The whole world faces crisis of resource at present.The non-renewable resources consumption is excessive, and environment is caused very big destruction.Therefore each state is all in the method for research and utilization regenerative resource.Sun power cleaning, general, permanent is a kind of high-octane regenerative resource.But owing to be radiated the influence that the sunlight on ground is subjected to natural conditions such as weather, latitude, dispersiveness and randomness are arranged also, increase difficulty for collecting to utilize.Have the very high sun tracker of precision now both at home and abroad, but expensive.Other 4 quadrant detector spare, wait detecting location by solar cell, warm sense technology or image detecting technique, price low being easy to is accepted, but the problem that exists is, precision not high enough (less than 0.05 °) can not satisfy the high occasion of accuracy requirement and use.
The utility model content
The utility model provides a kind of high-precision sun orientation tracking means based on PSD, to overcome the not high enough problem of precision that prior art exists.
For overcoming the problem that prior art exists, the technical scheme that the utility model provides is: a kind of high-precision sun orientation tracking means based on PSD, comprise sensor and dish stand, described sensor comprises housing, is provided with the PSD assembly of the back up pad composition of PSD and PSD bottom in the housing, it is characterized in that: also comprise base, eyeglass, the camera lens compressing tablet, semiconductor heat block, thermal insulation barriers and photosensitive device, described lower housing portion is uncovered, and its side wall lower ends links to each other with base by screw;
The upper wall middle part of described housing is provided with bellmouth, arranged outside at upper wall has the camera lens compressing tablet, the eyeglass that is provided with the optical glass material is pressed in the center of camera lens compressing tablet, eyeglass is the circular cone bench-type, the plane that radius is little is last installed surface, and concordant with camera lens compressing tablet surface, eyeglass and circular cone bench-type hole are over against setting;
Described hull outside middle part is evenly equipped with 4 photosensitive devices, and the center vertical line of the setting angle of photosensitive device and DSP is 45;
Described PSD assembly is arranged in the housing, its arranged outside has thermal insulation barriers, thermal insulation barriers is fixed on the housing, the bottom of the back up pad in the PSD assembly is provided with the semiconductor heat block, described semiconductor heat block is connected with circuit board by lead, described circuit board is installed in the housing, and circuit board is connected with socket on the housing.
The foregoing circuit plate is arranged at the below of PSD assembly, and itself and housing are fixedly connected.
The foregoing circuit plate is welded in the bottom of back up pad in the PSD assembly.
The outer middle side part of above-mentioned housing is arranged with boss, is evenly equipped with four plane chamferings on the boss edge, and photosensitive device is arranged on the chamfering of plane.
Above-mentioned PSD back up pad material is aluminium or copper.
Above-mentioned thermal insulation barriers material is poly-fluorine tetrem alkene.
Above-mentioned photosensitive device is photoelectric cell, photoresistance, photodiode or phototriode.
Compared with prior art, advantage of the present utility model is as follows:
1. finish detection by four photosensitive electrical equipment, it is very wide therefore to detect the visual angle, can reach 270 °.
2. light intensity changes not influence of measurement of angle.Since the utility model calculates be light intensity changing voltage value difference with and ratio, and intensity variations is synchronous for four photosensitive devices, so light intensity changes not influence of measurement of angle.
3. heat block can remain on PSD in the isoperibol, prevent because the temperature drift phenomenon that variation of ambient temperature is brought, influence measurement accuracy, thermal insulation barriers 5 has intercepted PSD1 temperature has been passed to housing 8 simultaneously, prevent temperature drift so the utility model-40 degrees centigrade in 60 degree celsius temperature scopes, measuring accuracy can reach 0.001 °.
Description of drawings
Fig. 1 is the assembling front view of sun-tracking sensor.
Fig. 2 is that the A of sun-tracking sensor is to view.
Fig. 3 is that the B of sun-tracking sensor is to view.
Among the figure, 1.PSD; 2. circular cone bench-type hole; 3. eyeglass; 4. camera lens compressing tablet; 5. thermal insulation barriers; 6. back up pad; 7. photosensitive device; 8. housing; 9. circuit board; 10. base; 11. semiconductor heat block; 12 leads; 13. socket.
Embodiment
Describe the utility model in detail below in conjunction with specific embodiment and accompanying drawing, but the utility model is not limited to specific embodiment.
Referring to Fig. 1 ~ Fig. 3, the high-precision sun orientation tracking means based on PSD that the utility model provides comprises sensor and dish stand, and described sensor comprises housing 8, base 10, eyeglass 3, camera lens compressing tablet 4, semiconductor heat block 11, thermal insulation barriers 5 and photosensitive device 7.Described housing 8 bottoms are uncovered, and its side wall lower ends links to each other with base 10 by screw, are provided with the PSD assembly of back up pad 6 compositions of PSD1 and PSD1 bottom in the housing 8.The upper wall middle part of described housing 8 is provided with bellmouth, arranged outside at upper wall has camera lens compressing tablet 4, the eyeglass 3 that is provided with the optical glass material is pressed in the center of camera lens compressing tablet 4, eyeglass 3 is the circular cone bench-type, the plane that radius is little is last installed surface, and concordant with camera lens compressing tablet 4 surfaces, eyeglass 3 and circular cone bench-type hole 2 are over against setting; Described housing 8 outer middle side parts are arranged with boss, are evenly equipped with four plane chamferings on the boss edge, and 4 photosensitive devices 7 are distributed on the chamfering of plane, and in the present embodiment, photosensitive device 7 is photoelectric cells, and the center vertical line of photronic setting angle and DSP is 45.Described PSD assembly is arranged in the housing 8, and its arranged outside has thermal insulation barriers 5, and described thermal insulation barriers 5 is fixed on the housing 8, and the bottom of the back up pad 6 in the PSD assembly is provided with semiconductor heat block 11, and described semiconductor heat block 11 is connected with circuit board 9 by lead 12.Described circuit board 9 is installed in the housing 8 and is welded in the bottom of back up pad 6 in the PSD assembly, is fixedly connected with housing 8, and circuit board 9 is connected with socket 13 on the housing 8.In the present embodiment, described back up pad material is aluminium, and described thermal insulation barriers 5 materials are poly-fluorine tetrem alkene.
Principle of work of the present utility model is: when application the utility model carries out the solar azimuth tracking, utilize the eyeglass 3 at top that sunray is penetrated, light is radiated on the PSD1 by light hole 2.Because light hole 2 is bellmouths, namely aperture connects the structure of cone, therefore can carry out diffusion to light, and light can be radiated on the PSD1 equably.When position of sun departs from, in the time of can't be over against light hole 2, PSD1 passes to the controller of dish stand with signal through socket 13 by circuit board 9, the dish stand action, and the angle of regulating sensor automatically, thus change the position of sensor.
When position of sun far departed from light hole 2, when starting as sensor, four photoelectric cells were started working, and detect in 270 ° of scopes, determine position of sun according to the difference of light intensity.Adjust sensor head towards, but position of sun is entered in the PSD1 sensing range, be approximately the position that the sun departs from about 10 ° of light holes.Photoelectric cell quits work subsequently, is carried out the tracking of the sun by PSD1.
Adopted division arithmetic in the circuit program, formula is
,
V1 wherein, v2, v3, v4 are respectively the changing voltage values that four photosensitive devices of side record light intensity, and k is the coefficient value of voltage transitions angle, and s and s` are respectively the angle values of x direction and y direction.Since the utility model calculates be light intensity changing voltage value difference with and ratio, and intensity variations is synchronous for four photosensitive devices, so light intensity changes not influence of measurement of angle.
Claims (7)
1. the orientation of the high-precision sun based on PSD tracking means, comprise sensor and dish stand, described sensor comprises housing (8), housing is provided with PSD(1 in (8)) and PSD(1) the PSD assembly that forms of the gripper shoe of bottom (6), it is characterized in that: also comprise base (10), eyeglass (3), camera lens compressing tablet (4), semiconductor heat block (11), thermal insulation barriers (5) and light-sensitive device (7), described housing (8) bottom is uncovered, its side wall lower ends is connected with base (10) by screw
The upper wall middle part of described housing (8) is provided with bellmouth, arranged outside at upper wall has camera lens compressing tablet (4), the eyeglass (3) that is provided with the optical glass material is pressed in the center of camera lens compressing tablet (4), eyeglass (3) is the circular cone bench-type, the plane that radius is little is last installed surface, and concordant with camera lens compressing tablet (4) surface, eyeglass (3) and circular cone bench-type hole (2) are over against setting;
The outer middle side part of described housing (8) is evenly equipped with 4 photosensitive devices (7), setting angle and the DSP(1 of photosensitive device (7)) the center vertical line be 45;
Described PSD assembly is arranged in the housing (8), its arranged outside has thermal insulation barriers (5), thermal insulation barriers (5) is fixed on the housing (8), the bottom of the back up pad in the PSD assembly (6) is provided with semiconductor heat block (11), described semiconductor heat block (11) is connected with circuit board (9) by lead (12), described circuit board (9) is installed in the housing (8), and circuit board (9) is connected with socket (13) on the housing (8).
2. a kind of high-precision sun orientation tracking means based on PSD according to claim 1, it is characterized in that: described circuit board (9) is arranged at the below of PSD assembly, and itself and housing (8) are fixedly connected.
3. a kind of high-precision sun orientation tracking means based on PSD according to claim 1, it is characterized in that: described circuit board (9) is welded in the bottom of back up pad in the PSD assembly (6).
4. according to claim 2 or 3 described a kind of high-precision sun orientation tracking means based on PSD, it is characterized in that: the outer middle side part of described housing (8) is arranged with boss, be evenly equipped with four plane chamferings on the boss edge, four photosensitive devices (7) are arranged at respectively on four plane chamferings.
5. a kind of high-precision sun orientation tracking means based on PSD according to claim 4, it is characterized in that: described back up pad (6) material is aluminium or copper.
6. a kind of high-precision sun orientation tracking means based on PSD according to claim 5 is characterized in that: described thermal insulation barriers (5) material is poly-fluorine tetrem alkene.
7. a kind of high-precision sun orientation tracking means based on PSD according to claim 6, it is characterized in that: described photosensitive device (7) is photoelectric cell, photoresistance, photodiode or phototriode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041492 CN203164764U (en) | 2013-01-25 | 2013-01-25 | PSD-based high-precision sun-orientation tracking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041492 CN203164764U (en) | 2013-01-25 | 2013-01-25 | PSD-based high-precision sun-orientation tracking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164764U true CN203164764U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041492 Withdrawn - After Issue CN203164764U (en) | 2013-01-25 | 2013-01-25 | PSD-based high-precision sun-orientation tracking apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN203164764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064427A (en) * | 2013-01-25 | 2013-04-24 | 西安工业大学 | High-accuracy sun azimuth tracking device based on PSD (Power Spectral Density) |
-
2013
- 2013-01-25 CN CN 201320041492 patent/CN203164764U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064427A (en) * | 2013-01-25 | 2013-04-24 | 西安工业大学 | High-accuracy sun azimuth tracking device based on PSD (Power Spectral Density) |
| CN103064427B (en) * | 2013-01-25 | 2016-06-15 | 西安工业大学 | Device is followed the tracks of in high-precision sun orientation based on PSD |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |