CN202120128U - Solar photoelectric sensor capable of automatic tracking - Google Patents
Solar photoelectric sensor capable of automatic tracking Download PDFInfo
- Publication number
- CN202120128U CN202120128U CN2011201440481U CN201120144048U CN202120128U CN 202120128 U CN202120128 U CN 202120128U CN 2011201440481 U CN2011201440481 U CN 2011201440481U CN 201120144048 U CN201120144048 U CN 201120144048U CN 202120128 U CN202120128 U CN 202120128U
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- China
- Prior art keywords
- silicon photocell
- photoelectric sensor
- differential amplifier
- amplifier circuit
- photocell
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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
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to a solar photoelectric sensor capable of automatic tracking. The solar photoelectric sensor includes a hidden placket and a support. The hidden placket is disposed on the top of the support. A first silicon photocell, a second silicon photocell, a third silicon photocell and a fourth silicon photocell are arranged in four directions close to an inner side wall of the hidden placket of the support top. A temperature sensor is arranged in the central position of the support center. A fifth silicon photocell, a six silicon photocell, a seven silicon photocell and an eight silicon photocell are arranged in four directions close to an outer side wall of the hidden placket of the support top. By using the solar photoelectric sensor capable of automatic tracking, the accuracy of the solar tracking system is improved, and the precision of the photoelectric sensor is improved substantially. And finally the utilization ratio of solar energy in unit area is improved effectively.
Description
Technical field
The utility model relates to a kind of solar energy automatic tracking photoelectric sensor.
Background technology
Along with the poorness day by day of earth resources, the cost of investment of basic energy resource is climbed to a higher point day by day, and various safety and pollution hidden trouble are ubiquitous.Photovoltaic generation as a kind ofly pollution-freely take inexhaustible safety, the environmental protection new forms of energy more and more are much accounted of; As the energy-collecting device of photovoltaic generation is that the position of the battery windsurfing and the sun is closely related; If remain battery windsurfing energy collecting face and sunlight vertical irradiation; Just can in limited usable floor area, utilize more sun power, it is its first-selected scheme that employing improves solar energy utilization rate from motion tracking sunray device, and research shows; Solar facilities is to the tracking and the non-tracking of solar light motion, and its energy utilization ratio differs 30%.For reducing cost of electricity-generating, concentrating to generate power also comes into one's own more in recent years, and especially the volume production of high power concentrator battery (arsenic electrochemical cell) makes the high power concentrator application more extensive.And high power concentrator is high to the accuracy requirement of position of sun, and sensor then " eyes " of image height precision tracking equipment is particularly important.
Existing automatic solar energy tracking device adopts photoelectricity or optical principle to differentiate position of sun more, and minority adopts regularly tracking mode.For photoelectric tracking, because the interference of environment light source, temperature etc. is stronger, so sensor accuracy is difficult to guarantee.
The utility model content
The purpose of the utility model provides a kind of solar energy automatic tracking photoelectric sensor, to overcome the deficiency of the above-mentioned aspect of prior art.
The purpose of the utility model is to realize through following technical scheme:
A kind of solar energy automatic tracking photoelectric sensor; Comprise dark tube and bearing; Said dark tube is located at the bearing top; The bearing top is respectively equipped with first silicon photocell, second silicon photocell, the 3rd silicon photocell and the 4th silicon photocell near the four direction of dark tube madial wall, and bearing top center position is provided with temperature sensor, and the bearing top is respectively equipped with the 5th silicon photocell, the 6th silicon photocell, the 7th silicon photocell and the 8th silicon photocell near the four direction of dark tube lateral wall; Be connected differential amplifier circuit after the series connection of said first silicon photocell and the 5th silicon photocell; The 3rd silicon photocell and the 7th silicon photocell differential amplifier circuit that is connected in series; Second silicon photocell and the 6th silicon photocell differential amplifier circuit that is connected in series, the 4th silicon photocell and the 8th silicon photocell differential amplifier circuit that is connected in series, differential amplifier circuit is connected with power filter; Active filter circuit connects the A/D change-over circuit, and the A/D change-over circuit connects outlet terminal; Said temperature sensor directly connects outlet terminal.
The beneficial effect of the utility model is: the accuracy that has improved solar tracking system; Improved the precision of photoelectric sensor greatly; Finally can effectively improve the utilization ratio of sun power on the unit area.
Description of drawings
According to accompanying drawing the utility model is done further explain below.
Fig. 1 is the vertical view of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment;
Fig. 2 is the side view of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment;
Fig. 3 is the sensor circuit structured flowchart of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment;
Fig. 4 is the differential amplifier circuit figure of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment;
Fig. 5 is the active filter circuit figure of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment;
Fig. 6 is the A/D change-over circuit figure of the described solar energy automatic tracking photoelectric sensor of the utility model embodiment.
Among the figure:
1, the 5th silicon photocell; 2, the 7th silicon photocell; 3, the 6th silicon photocell; 4, the 8th silicon photocell; 5, dark tube; 6, first silicon photocell; 7, the 3rd silicon photocell; 8, second silicon photocell; 9, the 4th silicon photocell; 10, temperature sensor; 11, bearing; 12, differential amplifier circuit; 13, active filter circuit; 14, A/D change-over circuit; 15, outlet terminal.
Embodiment
Shown in Fig. 1 ~ 6; The described a kind of solar energy automatic tracking photoelectric sensor of the utility model embodiment; Comprise dark tube 5 and bearing 11; Said dark tube 5 is located at bearing 11 tops; Bearing 11 tops are respectively equipped with first silicon photocell 6, second silicon photocell 8, the 3rd silicon photocell 7 and the 4th silicon photocell 9 near the four direction of dark tube 5 madial walls, and bearing 11 top center positions are provided with temperature sensor 10, and bearing 11 tops are respectively equipped with the 5th silicon photocell 1, the 6th silicon photocell 3, the 7th silicon photocell 2 and the 8th silicon photocell 4 near the four direction of dark tube 5 lateral walls; Be connected differential amplifier circuit 12 after said first silicon photocell 6 and the series connection of the 5th silicon photocell 1; The 3rd silicon photocell 7 and the 7th silicon photocell 2 differential amplifier circuit 12 that is connected in series; Second silicon photocell 8 and the 6th silicon photocell 3 differential amplifier circuit 12 that is connected in series; The 4th silicon photocell 9 and the 8th silicon photocell 4 differential amplifier circuit 12 that is connected in series; Differential amplifier circuit 12 is connected with power filter 13, and active filter circuit 13 connects A/D change-over circuit 14, and A/D change-over circuit 14 connects outlet terminal 15; Said temperature sensor 10 directly connects outlet terminal 15.
Said differential amplifier circuit 12 is made up of single operation amplifier circuit LM741; Active filter circuit 13 is made up of dual operational amplifier circuit LM358; A/D change-over circuit 14 is made up of the ADC0809 of the cmos component that has the compatible steering logic of 8 A/D converters, No. 8 multi-way switchs and microprocessor, and temperature sensor adopts the digital temperature sensing.
During concrete the use, when morning, the sun comes up in the east, the light intensity (back) that the light intensity (sunny side) that the 5th silicon photocell 1 receives receives greater than the 7th silicon photocell 2; Therefore produce a differential signal, be sent to after treatment in the controller, drive motor rotates tracking platform then; In turning to definite accuracy; When azimuth angle deviation was not too big, first silicon photocell 6 of connecting with the 5th silicon photocell 1 began to play a leading role, and made dark tube 5 accurately aim at the sun; When the sun westwards squints; The 7th silicon photocell 2 and the 3rd silicon photocell 7 work respectively and make platform follow the tracks of the sun westwards; Cover other reasons such as the sun and cause the sun to depart from when far away when running into cloud layer; The search of carrying out in a big way that plays a leading role of the 7th silicon photocell 2 is followed the tracks of, and the 3rd silicon photocell 7 carries out accurate tracking slowly playing a leading role after certain precision.
The tracking ultimate principle of elevation angle and working method and position angle are similar.The temperature sensor 10 of center; Be used near the air themperature of detecting sensor; Can directly obtain the digital temperature value of 8-10 position precision, the silicon photocell input voltage signal is directly received the input end of differential amplifier circuit 12, and the output terminal of differential amplifier circuit 12 is connected with the input end of power filter 13; The output terminal of active filter circuit 13 connects the input end of A/D change-over circuit 14, and the output terminal of A/D change-over circuit 14 connects on the outlet terminal.Sensor circuit needs outside power supply VCC+5V of introducing and reference voltage VEE-5V, and power supply VCC+5V is the each several part chip power supply, and reference voltage VEE-5V is that differential amplifier circuit 12 provides negative reference voltage.Temperature sensor 10 temperature inside acquisition modules are received separately on the connection terminal.
The utility model is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technical scheme, all drops within the protection domain of the utility model.
Claims (1)
1. solar energy automatic tracking photoelectric sensor; Comprise dark tube (5) and bearing (11); It is characterized in that: said dark tube (5) is located at bearing (11) top; Bearing (11) top is respectively equipped with first silicon photocell (6), second silicon photocell (8), the 3rd silicon photocell (7) and the 4th silicon photocell (9) near the four direction of dark tube (5) madial wall; Bearing (11) top center position is provided with temperature sensor (10), and bearing (11) top is respectively equipped with the 5th silicon photocell (1), the 6th silicon photocell (3), the 7th silicon photocell (2) and the 8th silicon photocell (4) near the four direction of dark tube (5) lateral wall; Be connected differential amplifier circuit (12) after the series connection of said first silicon photocell (6) and the 5th silicon photocell (1); The 3rd silicon photocell (7) and the 7th silicon photocell (2) differential amplifier circuit (12) that is connected in series; Second silicon photocell (8) and the 6th silicon photocell (3) differential amplifier circuit (12) that is connected in series; The 4th silicon photocell (9) and the 8th silicon photocell (4) differential amplifier circuit (12) that is connected in series; Differential amplifier circuit (12) is connected with power filter (13), and active filter circuit (13) connects A/D change-over circuit (14), and A/D change-over circuit (14) connects outlet terminal (15); Said temperature sensor (10) directly connects outlet terminal (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201440481U CN202120128U (en) | 2011-05-09 | 2011-05-09 | Solar photoelectric sensor capable of automatic tracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201440481U CN202120128U (en) | 2011-05-09 | 2011-05-09 | Solar photoelectric sensor capable of automatic tracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120128U true CN202120128U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201440481U Expired - Fee Related CN202120128U (en) | 2011-05-09 | 2011-05-09 | Solar photoelectric sensor capable of automatic tracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938630A (en) * | 2012-11-26 | 2013-02-20 | 昆山北极光电子科技有限公司 | Generator speed differential mode compensation method |
| CN106873646A (en) * | 2017-04-18 | 2017-06-20 | 华北电力大学 | A kind of daylight tracing system based on shadow control |
-
2011
- 2011-05-09 CN CN2011201440481U patent/CN202120128U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938630A (en) * | 2012-11-26 | 2013-02-20 | 昆山北极光电子科技有限公司 | Generator speed differential mode compensation method |
| CN106873646A (en) * | 2017-04-18 | 2017-06-20 | 华北电力大学 | A kind of daylight tracing system based on shadow control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20120509 |