CN201984347U - Device for laying solar oblique uniaxial tracker flat along wind direction - Google Patents

Device for laying solar oblique uniaxial tracker flat along wind direction Download PDF

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Publication number
CN201984347U
CN201984347U CN2010206894768U CN201020689476U CN201984347U CN 201984347 U CN201984347 U CN 201984347U CN 2010206894768 U CN2010206894768 U CN 2010206894768U CN 201020689476 U CN201020689476 U CN 201020689476U CN 201984347 U CN201984347 U CN 201984347U
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CN
China
Prior art keywords
scrambler
shaft
wind
support
reducing motor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010206894768U
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Chinese (zh)
Inventor
徐永邦
王婳
王芳
王庆
王峰
邹新
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GCL SOLAR SYSTEM Ltd
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GCL SOLAR SYSTEM Ltd
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Publication date
Application filed by GCL SOLAR SYSTEM Ltd filed Critical GCL SOLAR SYSTEM Ltd
Priority to CN2010206894768U priority Critical patent/CN201984347U/en
Application granted granted Critical
Publication of CN201984347U publication Critical patent/CN201984347U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a device for laying a solar oblique uniaxial tracker flat along wind direction, which comprises a speed reducing motor, a rotating shaft, a first encoder, a support, a wind vane, a second encoder, a wind speed sensor, a reading and writing module and a controller, wherein the rotating shaft is fixed on the support, one end of the rotating shaft is connected with the speed reducing motor, and the rotating shaft can rotate by taking the rotating shaft as a shaft under the drive of the speed reducing motor; an inner shaft of the first encoder is fixedly connected with the rotating shaft, and an outer shaft of the first encoder is connected with the support; a main rod of the wind vane is fixedly connected with the other end of the rotating shaft, the rotating shaft is connected with the inner shaft of the second encoder, and the outer shaft of the second encoder is connected with the support; and the reading and writing module is used for sending position values of the first and the second encoders and a wind speed signal of the wind speed sensor to the controller, and the operation of the speed reducing motor is driven under the control of the controller. The device can control the tracker to be laid flat automatically when the wind speed is larger than the set value, when the wind speed is less than the wind speed design value, the sun azimuth can be normally tracked, and the safety of the tracker can be further ensured.

Description

Solar inclined single-shaft tracker down wind laying-down device
Technical field
The utility model relates to a kind of follow-up control apparatus that is used for the solar energy power generating field, and specifically, the utility model relates to a kind of solar inclined single-shaft tracker down wind laying-down device.
Background technology
Solar energy power generating is one of principal mode that utilizes sun power, and the sun is followed the tracks of, and guarantees that the sunshine vertical irradiation on solar panel, can effectively improve sun utilization factor, thereby improves system's generating efficiency.If local sun direct projection component surpasses 70%, then the gain of generated energy may surpass 40%.In the solar photovoltaic generating system, the improved efficiency space of equipment such as assembly, inverter, transformer, controller is less, and through research, the support of appropriate design solar photovoltaic tracking system can improve the efficient of solar photovoltaic generation system to a certain extent.
Photovoltaic bracket commonly used at present is divided into two kinds: fixed solar bracket system and tracking mode mounting system.Fixed solar bracket system architecture is simple, the reliability height, but owing to can not adjust the inclination angle of assembly, year generating efficiency is lower; The tracking mode mounting system can be divided into two types of single-shaft tracking system and double-axis tracking systems substantially, it is advantageous that double-axis tracking system year generating efficiency is the highest, cost is high relatively, the structure relative complex, technical requirement is higher, single-shaft tracking system year, generating efficiency was higher, and cost is lower than the double-axis tracking system.
Because tiltedly the single-shaft tracking system wind resistance is poor, therefore oblique uniaxiality tracking support is used less in actual photovoltaic power generation project, and this defective is caused by the support self structure, and single-machine capacity is big more, and this defective is obvious more.Because large-scale power station is generally located at northwest or Desert Area, wind speed is bigger, easily oblique single-shaft tracking system is caused damage.
The utility model content
Technical problem to be solved in the utility model is at defective in the aforementioned background art and deficiency; a kind of solar inclined single-shaft tracker down wind laying-down device is provided; the oblique uniaxiality tracking device of its may command is set level during greater than setting value automatically at wind speed; can normally follow the tracks of solar azimuth during less than the wind speed design load, effectively protect the safety of tracker.
The utility model is for solving the problems of the technologies described above, and the technical scheme that is adopted is:
A kind of solar inclined single-shaft tracker down wind laying-down device comprises reducing motor, rotation axis, first scrambler, support, weathervane, second scrambler, air velocity transducer, module for reading and writing and controller; Support is fixed in ground, and reducing motor and spacer support frame certain distance also are fixed in ground;
Rotation axis is fixed on the support, and the one end is connected with reducing motor, under the driving of reducing motor with from rotating as axle;
The interior axle of first scrambler is fixedlyed connected with rotation axis, and its outer shaft is connected with support;
The mobile jib of weathervane is fixedlyed connected with the other end of rotation axis, and the rotating shaft of weathervane is connected with the interior axle of second scrambler, and the outer shaft of described second scrambler connects support;
Module for reading and writing connects air velocity transducer and first and second scrambler respectively, reads the positional value of real-time wind velocity signal and first and second scrambler respectively;
Module for reading and writing also is connected with controller, and the positional value of first and second scrambler of being read and the wind velocity signal of air velocity transducer are sent into controller, and drives the operation of reducing motor under its control.
Above-mentioned weathervane keeps vertical with rotation axis.
Above-mentioned first scrambler is increment type or absolute type, and second scrambler is an absolute type.
After adopting such scheme; the utility model is at the problem of aforementioned oblique uniaxiality tracking device wind resistance difference; the control thought that down wind is set level is proposed; utilize air velocity transducer to obtain current wind speed; when wind speed during greater than design load; obtain the positional value of solar panels by second scrambler; real-time position angle in conjunction with the current sun; adjust the rotation direction and the angle of rotation axis; the direction that makes rotation axis seek the windage minimum during greater than setting value automatically at wind speed is set level, and effectively protects the safety of tracker, and is simple in structure; both solar azimuth can be normally followed the tracks of, oblique uniaxiality tracking device can be under extreme wind speeds, protected again.
Description of drawings
Fig. 1 is a workflow synoptic diagram of the present utility model;
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below with reference to accompanying drawing the technical solution of the utility model is elaborated.
At first with reference to shown in Figure 2, the utility model provides a kind of solar inclined single-shaft tracker down wind laying-down device, comprise reducing motor 1, rotation axis 2, first scrambler 3, support 4, weathervane 6, second scrambler 7, air velocity transducer 8, module for reading and writing and controller, adopt 51 single-chip microcomputer module for reading and writing 9 and PLC Programmable Logic Controller 5 in the present embodiment respectively, introduce respectively below.
Support 4 is fixed in ground, in order to support some solar panels 10, sun power is converted to electric energy.
Reducing motor 1 keeps at a certain distance away with support 4, also is fixed in ground.
Rotation axis 2 is fixed on the support 4, and the one end is connected with reducing motor 1, under the driving of reducing motor 1 with from rotating as axle.
The interior axle of first scrambler 3 is fixedlyed connected with rotation axis 2, and can rotate synchronously with rotation axis 2, and its outer shaft is connected with support 4; Described first scrambler 3 is increment type or absolute type, and it also connects 51 single-chip microcomputer module for reading and writing, reads its positional value for 51 single-chip microcomputer module for reading and writing 9.
The mobile jib 61 of weathervane 6 is fixedlyed connected with the other end of rotation axis 2, and make weathervane 6 keep vertical with rotation axis 2, therefore weathervane 6 is the inclination angle that 90 degree deduct rotation axis 2 with the angle on ground, when strong wind comes interim, the sensing of weathervane 6 is the direction of its stressed minimum, the position consistency of setting level with solar panels 10 front down winds; And the rotating shaft of weathervane 6 is connected with the interior axle of second scrambler 7, and described second scrambler 7 is an absolute type, and its outer shaft is connected with support 4, and second scrambler 7 also connects 51 single-chip microcomputer module for reading and writing 9, reads the real time position value for it.
Air velocity transducer 8 is connected with 51 single-chip microcomputer module for reading and writing 9, and the real-time wind velocity signal that obtains is sent to 51 single-chip microcomputer module for reading and writing 9.
51 single-chip microcomputer module for reading and writing 9 are connected with PLC Programmable Logic Controller 5, and the positional value of first and second scrambler 3,7 of being read and the wind velocity signal of air velocity transducer 8 are sent into PLC Programmable Logic Controller 5, and drive the operation of reducing motor 1 under its control.
PLC Programmable Logic Controller 5 is used for the related data that computing 51 single-chip microcomputer module for reading and writing 9 send, and direction and angle that rotation axis 2 is needed to rotate send to 51 single-chip microcomputer module for reading and writing 9.
Below will cooperate Fig. 1 that the course of work of the present utility model and principle are described:
(1) wind speed is judged
Air velocity transducer 8 sends current wind speed to 51 single-chip microcomputer module for reading and writing 9,51 single-chip microcomputer module for reading and writing 9 and judges that whether wind speed is greater than design load (as 16m/s);
(2) 51 single-chip microcomputer module for reading and writing 9 read the current location value of first and second scrambler 3,7, and are sent to PLC Programmable Logic Controller 5
When wind speed during greater than design load, 51 single-chip microcomputer module for reading and writing 9 read the positional value of first and second scrambler 3,7; When wind speed during less than design load, 51 single-chip microcomputer module for reading and writing 9 only read the positional value of first scrambler 3; And the aforementioned location value is sent to PLC Programmable Logic Controller 5.
(3) PLC Programmable Logic Controller 5 is handled the positional value that is sent by 51 single-chip microcomputer module for reading and writing 9
When wind speed during less than design load, PLC Programmable Logic Controller 5 with the positional value of first scrambler 3 and the real-time position angle of the sun relatively subtracts each other the two, and the differential seat angle and first scrambler 3 that obtain the two need the direction of rotating; The real-time position angle of the sun wherein Be to adopt following formula gained by PLC Programmable Logic Controller 5:
Wherein Be sun altitude, Be local latitude, Be declination angle, Be hour angle;
Need to prove that the positional value of first scrambler 3 is corresponding with the real-time parameter of the sun herein, the position angle that 51 single-chip microcomputer module for reading and writing 9 need read first scrambler 3; Also can adopt sun altitude Represent (computing formula see before literary composition), correspondingly the positional value of first scrambler 3 also need adopt its elevation angle.
When wind speed during greater than design load, PLC Programmable Logic Controller 5 calculates relatively the positional value of first and second scrambler 3,7, deduct the positional value of second scrambler 7 with the positional value of first scrambler 3, the absolute value of difference is the angle that need set level, then can determine the rotation direction of reducing motor 1 according to the sign symbol of difference, rotating direction herein can freely define.
(4) PLC Programmable Logic Controller 5 sends to 51 single-chip microcomputer module for reading and writing 9 with steering order, is rotated by 51 single-chip microcomputer module for reading and writing, 9 control reducing motors.
When wind speed during less than design load, PLC Programmable Logic Controller 5 sends normal operating instruction (positional value by the real time position and first scrambler 3 relatively obtains) and gives 51 single-chip microcomputer module for reading and writing 9, latter's controlling and driving reducing motor 1 makes solar panels 10 towards consistent with solar azimuth; When wind speed during greater than design load, PLC Programmable Logic Controller 5 sends down wind and sets level instruction (positional value by first and second scrambler 3,7 calculates acquisition) to 51 single-chip microcomputer module for reading and writing 9,51 single-chip microcomputer module for reading and writing, 9 controlling and driving reducing motors 1 make solar panels 10 towards consistent with the minimum direction of windage then.Aforementioned normal operating instruction and down wind are set level rotation direction and the angle that instruction includes reducing motor 1.
Above embodiment only is explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection domain.

Claims (3)

1. a solar inclined single-shaft tracker down wind laying-down device is characterized in that: comprise reducing motor, rotation axis, first scrambler, support, weathervane, second scrambler, air velocity transducer, module for reading and writing and controller; Support is fixed in ground, and reducing motor and spacer support frame certain distance also are fixed in ground;
Rotation axis is fixed on the support, and the one end is connected with reducing motor, under the driving of reducing motor with from rotating as axle;
The interior axle of first scrambler is fixedlyed connected with rotation axis, and its outer shaft is connected with support;
The mobile jib of weathervane is fixedlyed connected with the other end of rotation axis, and the rotating shaft of weathervane is connected with the interior axle of second scrambler, and the outer shaft of described second scrambler connects support;
Module for reading and writing connects air velocity transducer and first and second scrambler respectively, reads the positional value of real-time wind velocity signal and first and second scrambler respectively;
Module for reading and writing also is connected with controller, and the positional value of first and second scrambler of being read and the wind velocity signal of air velocity transducer are sent into controller, and drives the operation of reducing motor under its control.
2. solar inclined single-shaft tracker down wind laying-down device as claimed in claim 1 is characterized in that: described weathervane keeps vertical with rotation axis.
3. solar inclined single-shaft tracker down wind laying-down device as claimed in claim 1, it is characterized in that: described first scrambler is increment type or absolute type, second scrambler is an absolute type.
CN2010206894768U 2010-12-30 2010-12-30 Device for laying solar oblique uniaxial tracker flat along wind direction Expired - Lifetime CN201984347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206894768U CN201984347U (en) 2010-12-30 2010-12-30 Device for laying solar oblique uniaxial tracker flat along wind direction

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102096417A (en) * 2010-12-30 2011-06-15 中环光伏系统有限公司 Windward leveling device for solar oblique single-shaft tracker
CN104483976A (en) * 2014-03-27 2015-04-01 夏之秋 Sun illumination double-axes tracking device with automatic wind resistance function
CN105403933A (en) * 2015-12-21 2016-03-16 无锡信大气象传感网科技有限公司 Intelligent wind-resistant meteorological sensor
CN105510995A (en) * 2015-12-21 2016-04-20 无锡信大气象传感网科技有限公司 Intelligent filter detection wind-resistant meteorological sensor
CN105607151A (en) * 2015-12-21 2016-05-25 无锡信大气象传感网科技有限公司 Intelligent motor drive wind-resistant meteorological sensor
CN105629331A (en) * 2015-12-21 2016-06-01 无锡信大气象传感网科技有限公司 Anti-wind weather sensor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102096417A (en) * 2010-12-30 2011-06-15 中环光伏系统有限公司 Windward leveling device for solar oblique single-shaft tracker
CN102096417B (en) * 2010-12-30 2013-06-19 中环光伏系统有限公司 Windward leveling device for solar oblique single-shaft tracker
CN104483976A (en) * 2014-03-27 2015-04-01 夏之秋 Sun illumination double-axes tracking device with automatic wind resistance function
CN105403933A (en) * 2015-12-21 2016-03-16 无锡信大气象传感网科技有限公司 Intelligent wind-resistant meteorological sensor
CN105510995A (en) * 2015-12-21 2016-04-20 无锡信大气象传感网科技有限公司 Intelligent filter detection wind-resistant meteorological sensor
CN105607151A (en) * 2015-12-21 2016-05-25 无锡信大气象传感网科技有限公司 Intelligent motor drive wind-resistant meteorological sensor
CN105629331A (en) * 2015-12-21 2016-06-01 无锡信大气象传感网科技有限公司 Anti-wind weather sensor

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Granted publication date: 20110921

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