CN102063128B - Solar tracking and driving control system - Google Patents

Solar tracking and driving control system Download PDF

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Publication number
CN102063128B
CN102063128B CN2011100343578A CN201110034357A CN102063128B CN 102063128 B CN102063128 B CN 102063128B CN 2011100343578 A CN2011100343578 A CN 2011100343578A CN 201110034357 A CN201110034357 A CN 201110034357A CN 102063128 B CN102063128 B CN 102063128B
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China
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angle
worm
driving
elevation angle
control unit
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CN2011100343578A
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Chinese (zh)
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CN102063128A (en
Inventor
刘巍
朱天宇
卞新高
肖洪
杨祥花
白建波
张敏
芮欣鹏
屠越
黄菲
田宏吉
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河海大学常州校区
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Priority to CN2011100343578A priority Critical patent/CN102063128B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a solar tracking and driving control system comprising a receiver, a protection plate, at least three thermocouple temperature sensors, a central control unit, an elevating-angle angular sensor, an azimuth-angle angular sensor, an azimuth-angle driving mechanism, an elevating-angle driving mechanism, a GPS (Global Positioning System) module, a power supply, an azimuth-angle worm and gear transmission mechanism and an elevating-angle worm and gear transmission mechanism. The azimuth-angle driving mechanism drives the azimuth-angle worm and gear transmission mechanism, the elevating-angle driving mechanism drives the elevating-angle worm and gear transmission mechanism; the azimuth-angle driving mechanism is provided with at least two first motors; the azimuth-angle driving mechanism is provided with at least two second motors; the thermocouple temperature sensors are distributed on the protection plate, circularly distributed in at least one circle centering about a receiving hole of the receiver, and each circle is provided with at least three thermocouple temperature sensors. The invention has the advantages of high tracing reaction speed, high tracking accuracy, low cost, stable driving part operation, strong anti-impact capability, great transmission torque and long service life.

Description

A kind of solar energy tracking and driving control system
Technical field
The present invention relates to a kind of solar energy tracking and driving control system.
Background technology
Solar energy thermal-power-generating has characteristics such as being incorporated into the power networks easily, being easy to large-scale promotion because its generation mode is similar with traditional generation mode, has worldwide obtained extensive concern.Solar energy thermal-power-generating mainly contains four types: solar groove type generating, solar energy tower type generating, the generating of sun power dish formula, solar chimney generating.The generating of sun power dish formula is the highest a kind of mode of electricity conversion in the solar energy thermal-power-generating mode, but has characteristics such as standardized production, dirigibility height simultaneously, in future very big development space will be arranged.Through paraboloid of revolution butterfly condenser with the incident solar light focusing in receptacle, heating working medium drives generator for electricity generation.Sun power dish formula generating working temperature is high, and the variation of working temperature will greatly influence the whole system operation state, need focusing place temperature is realized control in real time, and most economical way is that itself and sunlight tracking system are combined.Present tracking technique has all been done a large amount of research both at home and abroad; The program control sun tracker of bidimensional like Chinese Academy of Sciences's Shanghai physical technique Research Institute; The proposition digitizing solar tracking and the optically focused of professor Chen Yingtian of theoretical physics research institute of Chinese Academy of Sciences innovation are theoretical, the new type solar energy tracking means of the employing aluminium section bar framed structure that Arizona, USA university releases.But these technology all are implement to follow the tracks of at non-focusing point place, can't reflect the practical working situation of focusing place in real time, will cause like this following the tracks of that reaction velocity is also unhappy, the high inadequately shortcoming of tracking accuracy.
Traditional Worm and worm-wheel gearing is to adopt single worm screw and single worm-drive mostly at present, and is widely used on transferring power and the speed reduction unit, and it is of a great variety, and model is different, and range of application very extensively.Along with the continuous development of science and technology and the raising day by day of production level, common Worm and worm-wheel gearing because contact tooth is few, work not steadily, shortcoming can not satisfy people's such as impact resistance is strong, driving torque is little and serviceable life is short request for utilization.
Summary of the invention
The objective of the invention is to provide a kind of and follow the tracks of that reaction velocity is fast, the high and low cost of tracking accuracy, its drive part stable working, strong shock resistance, driving torque are big, the solar energy tracking and the driving control system of long service life.
The present invention realizes that the technical scheme of above-mentioned purpose is; A kind of solar energy tracking and driving control system, its innovative point is: comprise receiver, protective shield, at least three thermocouple temperature sensors, central control unit, elevation angle angular transducer, position angle angular transducer, position angle driving mechanism, elevation angle driving mechanism, GPS module, power supply, position angle Worm and worm-wheel gearing, elevation angle Worm and worm-wheel gearing, bearing seat, height turning axle, direction turning axle and at least one driving power; Said thermocouple temperature sensor, elevation angle angular transducer, position angle angular transducer and GPS module all are electrically connected with central control unit; Said thermocouple temperature sensor transmits temperature signal to central control unit; Said elevation angle angular transducer transmits the elevation angle signal to central control unit; Said position angle angular transducer transmits azimuth signal to central control unit, and said GPS module transmits sun coordinate to central control unit, and said position angle driving mechanism and elevation angle driving mechanism all are electrically connected with the output terminal of central control unit; Said power supply is the central control unit power supply, and said driving power is electrically connected with central control unit; Drive mechanism position angle, said position angle Worm and worm-wheel gearing, said elevation angle drive mechanism elevation angle Worm and worm-wheel gearing; Said position angle driving mechanism has at least two first drive motor; Said elevation angle driving mechanism has at least two second drive motor; Said first drive motor is electrically connected with driving power; Said second drive motor is electrically connected with driving power, and said driving power receives the signal of central control unit, thereby controls first drive motor and second drive motor; Said position angle Worm and worm-wheel gearing comprises position angle output worm gear and at least two cover position angle worm gearings; Position angle output worm gear and at least two cover position angle worm gearings are in transmission connection; And every cover position angle worm gearing includes position angle initiatively worm screw, position angle transition worm gear and position angle transition worm screw; The position angle is worm screw and the engagement of position angle transition worm gear initiatively; Transition worm gear in position angle is fixedly connected with position angle transition worm screw; Position angle transition worm screw and the engagement of position angle output worm gear, each first drive motor is connected with the position angle active worm drive of each cover position angle worm gearing respectively, and said position angle angular transducer is fixedly connected with the direction turning axle; Said elevation angle Worm and worm-wheel gearing comprises elevation angle output worm gear and at least two elevation angle worm screws; Elevation angle output worm gear is connected with at least two elevation angle worm drive; Each second drive motor is connected with each cover elevation angle worm drive respectively, and said elevation angle angular transducer is fixedly connected with the height turning axle; Said elevation angle Worm and worm-wheel gearing is installed on the bearing seat; Said elevation angle Worm and worm-wheel gearing is fixedly connected with the height turning axle; Said position angle Worm and worm-wheel gearing is fixedly connected with the direction turning axle, and said direction turning axle is fixedly connected with bearing seat; Said thermocouple temperature sensor is distributed on the protective shield, and is the circular arrangement that the center becomes at least one circle with the receiving port of receiver, and at least three thermocouple temperature sensors are arranged on the circular arrangement of each circle.
Said position angle worm gearing is two covers, and the axis of two position angle transition worm screws of two cover position angle worm gearings is parallel to each other, and two position angles initiatively axis of worm screws are parallel to each other.
Also comprise display circuit, said display circuit is electrically connected with the output terminal of central control unit.
The diaphragm thermopair that said thermocouple temperature sensor adopts K type φ 1mm armoured thermocouple or responds fast.
Said elevation angle angular transducer and position angle angular transducer adopt optoelectronic angle scrambler, resistance angular transducer or wire resistor angular transducer.
Said central control unit adopts PLC Programmable Logic Controller or single-chip microcomputer.
Said elevation angle driving mechanism and deflection driving mechanism adopt that servo control mechanism or stepping mechanism or common exchanges, dc drive system.
Said central control unit has communication interface, and adopts RS232 communication interface or RS495 communication interface or usb communication interface.
Said driving power is one, said first drive motor and second drive motor respectively by two independently switch control and these two independently switch all be connected with driving power.
Said driving power is two, and a driving power is electrically connected with first drive motor, and another driving power is electrically connected with second drive motor.
The present invention captures the hot spot temperature behind catoptron optically focused and exports signal at thermocouple temperature sensor; After the temperature comparison process of central control unit to thermocouple sensor; Output control signal controlling and driving motor is to the minor adjustments of condenser; Thereby realize the essence of the sun is followed the tracks of; Its adopts based on the temperature of temperature sensor and follows the tracks of and look the mode that daily motion track following, GPS location combine, have full-automatic, round-the-clock, follow the tracks of that reaction velocity is fast, tracking accuracy is high, cumulative errors is than advantages such as other system are little, can satisfy the demand in Application of Solar Energy field; After drive part of the present invention adopted said structure, owing to comprise output worm gear and at least two cover worm gearings, output worm gear and at least two cover worm gearings were in transmission connection; Transition worm screw in the two cover worm gearings and output worm gear engaged transmission, transferring power is given the output worm gear, so contact tooth is many; Stable working; And load-bearing capacity is strong, and transmission power is big, has improved serviceable life.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the synoptic diagram of arranging of thermocouple temperature sensor 1 of the present invention;
Fig. 3 is the structural representation of drive part of the present invention;
Fig. 4 is a driving circuit block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
Shown in Fig. 1 ~ 4; A kind of solar energy tracking and driving control system comprise receiver 9, protective shield 10, at least three thermocouple temperature sensors 1, central control unit U1, elevation angle angular transducer 2, position angle angular transducer 3, position angle driving mechanism 5, elevation angle driving mechanism 6, GPS module 4, power supply 8, position angle Worm and worm-wheel gearing 11, elevation angle Worm and worm-wheel gearing 12, bearing seat 13, height turning axle 14, direction turning axle 15 and at least one driving power; Said thermocouple temperature sensor 1, elevation angle angular transducer 2, position angle angular transducer 3 and GPS module 4 all are electrically connected with central control unit U1; Said thermocouple temperature sensor 1 transmits temperature signal to central control unit U1; Said elevation angle angular transducer 2 transmits the elevation angle signal to central control unit U1; Said position angle angular transducer 3 transmits azimuth signal to central control unit U1; Said GPS module 4 transmits sun coordinate to central control unit U1; Said position angle driving mechanism 5 all is electrically connected with the output terminal of central control unit U1 with elevation angle driving mechanism 6, and said power supply 8 is central control unit U1 power supply, and said driving power is electrically connected with central control unit U1; Said position angle driving mechanism 5 driven square parallactic angle Worm and worm-wheel gearings 11, said elevation angle driving mechanism 6 drives elevation angle Worm and worm-wheel gearing 12; Said position angle driving mechanism 5 has at least two first drive motor 5-1; Said elevation angle driving mechanism 6 has at least two second drive motor 6-1; The said first drive motor 5-1 is electrically connected with driving power; The said second drive motor 6-1 is electrically connected with driving power, and said driving power receives the signal of central control unit U1, thereby controls the first drive motor 5-1 and the second drive motor 6-1; Said position angle Worm and worm-wheel gearing 11 comprises position angle output worm gear 11-1 and at least two cover position angle worm gearing 11-2; Position angle output worm gear 11-1 and at least two cover position angle worm gearing 11-2 are in transmission connection; And every cover position angle worm gearing 11-2 includes position angle initiatively worm screw 11-2-1, position angle transition worm gear 11-2-2 and position angle transition worm screw 11-2-3; The position angle is worm screw 11-2-1 and position angle transition worm gear 11-2-2 engagement initiatively; Position angle transition worm gear 11-2-2 is fixedly connected with position angle transition worm screw 11-2-3; Position angle transition worm screw 11-2-3 and position angle output worm gear 11-1 engagement; Each first drive motor 5-1 is in transmission connection with the position angle active worm screw 11-2-1 of each cover position angle worm gearing 11-2 respectively or the first drive motor 5-1 initiatively is connected through other reductors between the worm screw 11-2-1 with the position angle, and said position angle angular transducer 3 is fixedly connected with direction turning axle 15; Said elevation angle Worm and worm-wheel gearing 12 comprises elevation angle output worm gear 12-1 and at least two elevation angle worm screw 12-2; Elevation angle output worm gear 12-1 and at least two elevation angle worm screw 12-2 are in transmission connection; Each second drive motor 6-1 be in transmission connection with each cover elevation angle worm screw 12-2 respectively or the second drive motor 6-1 and elevation angle worm screw 12-2 between be connected through other reductors, said elevation angle angular transducer 2 is fixedly connected with turning axle 14 highly; Said elevation angle Worm and worm-wheel gearing 12 is installed on the bearing seat 13; Said elevation angle Worm and worm-wheel gearing 12 is fixedly connected with height turning axle 14; Said position angle Worm and worm-wheel gearing 11 is fixedly connected with direction turning axle 15, and said direction turning axle 15 is fixedly connected with bearing seat 13; Said thermocouple temperature sensor 1 is distributed on the protective shield 10, and is the circular arrangement that the center becomes at least one circle with the receiving port of receiver 9, and at least three thermocouple temperature sensors 1 are arranged on the circular arrangement of each circle.Said elevation angle Worm and worm-wheel gearing 12 is along with position angle Worm and worm-wheel gearing 11 rotates.
Said position angle worm gearing 11-2 is two covers, and the axis of two position angle transition worm screw 11-2-3 of two cover position angle worm gearing 11-2 is parallel to each other, and two position angles initiatively axis of worm screw 11-2-1 are parallel to each other.
Also comprise display circuit 7, said display circuit 7 is electrically connected with the output terminal of central control unit U1.
The diaphragm thermopair that said thermocouple temperature sensor 1 adopts K type φ 1mm armoured thermocouple or responds fast.
Said elevation angle angular transducer 2 adopts optoelectronic angle scrambler, resistance angular transducer or wire resistor angular transducer with position angle angular transducer 3.
Said central control unit U1 adopts PLC Programmable Logic Controller or single-chip microcomputer.
Said elevation angle driving mechanism 6 and deflection driving mechanism 5 adopts that servo control mechanisms or stepping mechanism or common exchanges, dc drive system.Present embodiment adopts the HC-KFS023 of Mitsubishi servo-drive system.
Said central control unit U1 has communication interface, and adopts RS232 communication interface or RS495 communication interface or usb communication interface, can with other opertaing device swap data.
Said driving power is one, the said first drive motor 5-1 and the second drive motor 6-1 respectively by two independently switch control and these two independently switch all be connected with driving power.

Claims (10)

1. solar energy tracking and driving control system is characterized in that:
A; Comprise receiver (9); Protective shield (10); At least three thermocouple temperature sensors (1); Central control unit (U1); Elevation angle angular transducer (2); Position angle angular transducer (3); Position angle driving mechanism (5); Elevation angle driving mechanism (6); GPS module (4); Power supply (8); Position angle Worm and worm-wheel gearing (11); Elevation angle Worm and worm-wheel gearing (12); Bearing seat (13); Height turning axle (14); Direction turning axle (15) and at least one driving power;
B, said thermocouple temperature sensor (1), elevation angle angular transducer (2), position angle angular transducer (3) and GPS module (4) all are electrically connected with central control unit (U1); Said thermocouple temperature sensor (1) transmits temperature signal to central control unit (U1); Said elevation angle angular transducer (2) transmits the elevation angle signal to central control unit (U1); Said position angle angular transducer (3) transmits azimuth signal to central control unit (U1); Said GPS module (4) transmits sun coordinate to central control unit (U1); Said position angle driving mechanism (5) and elevation angle driving mechanism (6) all are electrically connected with the output terminal of central control unit (U1); Said power supply (8) is central control unit (U1) power supply, and said driving power is electrically connected with central control unit (U1);
C, said position angle driving mechanism (5) driven square parallactic angle Worm and worm-wheel gearing (11), said elevation angle driving mechanism (6) drives elevation angle Worm and worm-wheel gearing (12);
D, said position angle driving mechanism (5) have at least two first drive motor (5-1); Said elevation angle driving mechanism (6) has at least two second drive motor (6-1); Said first drive motor (5-1) is electrically connected with driving power; Said second drive motor (6-1) is electrically connected with driving power, and said driving power receives the signal of central control unit (U1), thereby controls first drive motor (5-1) and second drive motor (6-1);
E, said position angle Worm and worm-wheel gearing (11) comprise position angle output worm gear (11-1) and at least two cover position angle worm gearings (11-2); Position angle output worm gear (11-1) and at least two cover position angles worm gearing (11-2) are in transmission connection; And every cover position angle worm gearing (11-2) includes position angle initiatively worm screw (11-2-1), position angle transition worm gear (11-2-2) and position angle transition worm screw (11-2-3); The position angle is worm screw (11-2-1) and position angle transition worm gear (11-2-2) engagement initiatively; Position angle transition worm gear (11-2-2) is fixedly connected with position angle transition worm screw (11-2-3); Position angle transition worm screw (11-2-3) and position angle output worm gear (11-1) engagement; Each first drive motor (5-1) is in transmission connection with the position angle active worm screw (11-2-1) that each overlaps position angle worm gearing (11-2) respectively, and said position angle angular transducer (3) is fixedly connected with direction turning axle (15);
F, said elevation angle Worm and worm-wheel gearing (12) comprise elevation angle output worm gear (12-1) and at least two elevation angle worm screws (12-2); Elevation angle output worm gear (12-1) and at least two elevation angle worm screws (12-2) are in transmission connection; Each second drive motor (6-1) is in transmission connection with each cover elevation angle worm screw (12-2) respectively, and said elevation angle angular transducer (2) is fixedly connected with height turning axle (14);
G, said elevation angle Worm and worm-wheel gearing (12) are installed on the bearing seat (13); Said elevation angle Worm and worm-wheel gearing (12) is fixedly connected with height turning axle (14); Said position angle Worm and worm-wheel gearing (11) is fixedly connected with direction turning axle (15), and said direction turning axle (15) is fixedly connected with bearing seat (13);
H, said thermocouple temperature sensor (1) are distributed on the protective shield (10), and are the circular arrangement that the center becomes at least one circle with the receiving port of receiver (9), and at least three thermocouple temperature sensors (1) are arranged on the circular arrangement of each circle.
2. solar energy tracking according to claim 1 and driving control system; It is characterized in that: said position angle worm gearing (11-2) is two covers; And the axis of two position angle transition worm screws (11-2-3) of two cover position angle worm gearings (11-2) is parallel to each other, and the axis of two position angle active worm screws (11-2-1) is parallel to each other.
3. solar energy tracking according to claim 1 and driving control system is characterized in that: also comprise display circuit (7), said display circuit (7) is electrically connected with the output terminal of central control unit (U1).
4. solar energy tracking according to claim 1 and driving control system is characterized in that: the diaphragm thermopair that said thermocouple temperature sensor (1) adopts K type φ 1mm armoured thermocouple or responds fast.
5. solar energy tracking according to claim 1 and driving control system is characterized in that: said elevation angle angular transducer (2) and position angle angular transducer (3) adopt optoelectronic angle scrambler or resistance angular transducer.
6. solar energy tracking according to claim 1 and driving control system is characterized in that: said central control unit (U1) adopts PLC Programmable Logic Controller or single-chip microcomputer.
7. solar energy tracking according to claim 1 and control system is characterized in that: said elevation angle driving mechanism (6) and deflection driving mechanism (5) adopt that servo control mechanism or stepping mechanism or common exchanges, dc drive system.
8. solar energy tracking according to claim 6 and driving control system is characterized in that: said central control unit (U1) has communication interface, and adopts RS232 communication interface or RS495 communication interface or usb communication interface.
9. solar energy tracking according to claim 1 and driving control system; It is characterized in that: said driving power is one, said first drive motor (5-1) and second drive motor (6-1) respectively by two independently switch control and these two independently switch all be connected with driving power.
10. solar energy tracking according to claim 1 and driving control system; It is characterized in that: said driving power is two; A driving power is electrically connected with first drive motor (5-1), and another driving power is electrically connected with second drive motor (6-1).
CN2011100343578A 2011-02-01 2011-02-01 Solar tracking and driving control system CN102063128B (en)

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CN102393756A (en) * 2011-11-04 2012-03-28 江苏白兔科创新能源股份有限公司 Solar sun tracking controller
CN102778896B (en) * 2012-07-02 2014-07-02 洛阳师范学院 Automatic solar tracking device
CN102931881A (en) * 2012-11-06 2013-02-13 大连民族学院 Solar street lamp power supply capable of automatically following light
CN104020783B (en) * 2014-05-15 2016-11-02 南京工程学院 A kind of disc type condensation system using high-precision sun energy tracking control unit
CN104156005B (en) * 2014-08-07 2017-10-24 福建农林大学 A kind of solar light tracking device
CN104811124B (en) * 2015-04-15 2017-01-18 宁波大智机械科技有限公司 Rotary vertical column
CN104777852B (en) * 2015-04-20 2019-04-23 宁波大智机械科技股份有限公司 A kind of rotation drive device for solar panels
CN104932554B (en) * 2015-06-04 2017-12-05 北京理工大学 A kind of semi- active control type shaft coupling of variable negative stiffness
CN104993778A (en) * 2015-07-24 2015-10-21 攀枝花学院 Array-type dual-axis linkage solar tracking device
CN105186990B (en) * 2015-08-26 2017-06-16 四川钟顺太阳能开发有限公司 A kind of four driving sun trackers for high power concentrator
CN106571766B (en) * 2016-10-26 2018-08-24 陶伟珍 A kind of photovoltaic board mount applied to solar street light
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