CN205195644U - Integral automatic control of photovoltaic tracking system - Google Patents
Integral automatic control of photovoltaic tracking system Download PDFInfo
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- CN205195644U CN205195644U CN201521031216.0U CN201521031216U CN205195644U CN 205195644 U CN205195644 U CN 205195644U CN 201521031216 U CN201521031216 U CN 201521031216U CN 205195644 U CN205195644 U CN 205195644U
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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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Abstract
The utility model discloses an integral automatic control of photovoltaic tracking system, including the casing, be provided with the MCU controller in the casing, the MCU controller is connected with acceleration formula angular transducer, communication interface, real -time clock, power conversion module, motor driver module respectively, and wherein acceleration formula angular transducer, communication interface, real -time clock, motor driver module all are connected with power conversion module. The utility model relates to an integral automatic control of photovoltaic tracking system is through integrated with acceleration formula angular transducer, MCU controller and motor driver module to with its integral installation at the motion part who trails the support, realize simultaneously detecting, control with carry out, avoided the complicated connection between each part, reduced complete equipment's cost, maintenance and the change of carrying out the part that can be convenient.
Description
Technical field
The utility model belongs to photovoltaic generating automatic tracking control technology field, is specifically related to a kind of integral type automatic controller of photovoltaic tracking system.
Background technology
The battery board bracket of current solar energy photovoltaic generator is mainly divided into " fixed " and " tracking mode " two kinds.Wherein because " tracking mode " photovoltaic bracket can adjust cell panel sensitive surface automatically, make it vertical with direction of illumination as far as possible, therefore the generating efficiency of cell panel is higher.
Tracing type photovoltaic support is formed primarily of " rotatable machinery mount " and " Detection & Controling device " two large divisions, control mode is mainly divided into " optical detection " and " astronomical computing method ".Optical detection adopts photoelectric sensor detect the orientation of the sun and realize tracing control, although cheap and simple reliability is low.Astronomical computing method obtains the incident angle of the sun by the longitude of tracker present position, latitude and Time Calculation, adopt angular transducer to measure the actual attitude angle of following the tracks of support simultaneously, then calculated by controller and follow the tracks of angular deviation, consistent with angle of incidence of sunlight according to the actual measurement attitude angle of deviation actuate actuators control tracking support again, realize the tracing control to the sun.Because astronomical computing method tracing control is by weather condition and the stained impact of optic probe, reliability and applicability higher.
Complete astronomical computing method photovoltaic tracking system mainly comprises the transducer detected for angle, the MCU controller calculated for deviation, the large critical piece of motor driver three that drives actuator's action, and the accessory such as power supply and communication interface.
The angle detecting sensor of current photovoltaic tracking support, controller and driver mainly adopt isolating construction.Angular transducer is rack-mount is transferred to controller by cable by measurement result, controller completes after deviation calculates and transfers signals to driver again, realized the pose adjustment of support by driver drives motor, this structure causes connection between parts complicated and cost is high.
Utility model content
The purpose of this utility model is to provide a kind of integral type automatic controller of photovoltaic tracking system, solve detection part in existing photovoltaic tracking system be separated with controller part cause signal connect complicated, manufacturing cost is high and the problem of repair and maintenance inconvenience.
The technical scheme that the utility model adopts is, a kind of integral type automatic controller of photovoltaic tracking system, comprise housing, MCU controller is provided with in housing, MCU controller is connected to acceleration formula obliquity sensor, communication interface, real-time clock, power transfer module, motor drive module, and wherein acceleration formula obliquity sensor, communication interface, real-time clock, motor drive module are all connected with power transfer module.
Feature of the present utility model is also:
Acceleration formula obliquity sensor adopts the inclination detecting device measured based on multiaxis acceleration of gravity.
Housing is arranged on photovoltaic tracking support, and housing changes attitude with the motion of support, realizes the Detection & Controling of riding angle simultaneously.
The beneficial effects of the utility model are: the integral type automatic controller of a kind of photovoltaic tracking system of the utility model, integrated by degree of will speed up formula obliquity sensor, MCU controller and motor drive module, and by its all-in-one-piece motion parts being arranged on tracking support, realize detecting, control and performing simultaneously, the complexity avoided between all parts connects, reduce the cost of complete equipment, maintenance and the replacing of parts can be carried out easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of the integral type automatic controller of the utility model photovoltaic tracking system;
Fig. 2 is the scheme of installation one of integral type automatic controller of the present utility model on polar mounts tracking means;
Fig. 3 is the scheme of installation two of integral type automatic controller of the present utility model on polar mounts tracking means;
Fig. 4 is the structural representation that flat single shaft linkage follows the tracks of support;
Fig. 5 is that integral type automatic controller of the present utility model follows the tracks of the scheme of installation on support at flat single shaft linkage;
Fig. 6 is the scheme of installation of integral type automatic controller of the present utility model on flake type double-axis tracking device.
In figure, 1. housing, 101.MCU controller, 102. acceleration formula obliquity sensors, 103. communication interface, 104. real-time clock, 105. power transfer module, 106. motor drive module, 2. polar mounts photovoltaic tracking device, 3. anglec of rotation driving mechanism, 4. angle of pitch driving mechanism, 5. flat single shaft linkage formula photovoltaic tracking device, 6. disc type central drive mechanism, 7. horizontal drive motor, 8. horizontally rotate actuating arm, 9. horizontal gangbar, 10. photovoltaic battery panel, 11. level interlock swing arms, 12. feathering axis, 13. flake type twin shaft photovoltaic tracking devices, 14. pitching gangbar.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The integral type automatic controller of a kind of photovoltaic tracking system of the utility model, as shown in Figure 1, comprise housing 1, the MCU controller 101 with calculating and controlling functions is provided with in housing 1, MCU controller 101 is connected to acceleration formula obliquity sensor 102, communication interface 103, real-time clock 104, power transfer module 105, motor drive module 106, and wherein acceleration formula obliquity sensor 102, communication interface 103, real-time clock 104, motor drive module 106 are all connected with power transfer module 105.
Wherein, acceleration formula obliquity sensor adopts the inclination detecting device measured based on multiaxis acceleration of gravity.
Wherein, real-time clock 104 both can adopt independently timing chip also can produce in controller internal calculation.
It is inner that above-mentioned all modules are all integrated in housing 1, and housing 1 is arranged on photovoltaic tracking support and changes attitude with the motion of support, realizes the detection of riding angle.
MCU controller 101 reads the acceleration measurement of acceleration formula obliquity sensor 102 and calculates the actual canting attitude angle obtaining support.This acceleration formula obliquity sensor 102 adopts multiaxis structure, can measure the angle of pitch and the anglec of rotation of following the tracks of support simultaneously.MCU controller 101 reads the time of real-time clock 104 inside, and combines fixing longitude and latitude set point, calculates the position coordinates obtaining sun opposite brackets, and the incident angle of sunray.Then MCU controller 101 calculates control deviation according to the actual measurement angle angle of the incident angle of sunray and photovoltaic tracking support, control the canting attitude that support is followed the tracks of in the adjustment of motor drive module 106 driving electric machine, make the cell panel of sunray as far as possible on vertical irradiation photovoltaic tracking support.MCU controller 101 can also obtain the standard time, for the real-time clock of corrective system inside by communication interface 103 from external network.Power transfer module 105 is converted to the power supply needed for controller each chip inner and component working for the power supply inputted outside.Communication interface 103 except position can also with external monitoring systems exchange monitoring and setting data.Above-mentioned all electric components all design on an all-in-one-piece circuit arrangement and to be integrated in an overall housing 1 inner.
The utility model adopts multiaxis acceleration of gravity formula angular transducer to measure the attitude angle of following the tracks of support, is applicable to adopt Gravity accelerometer can flat single shaft photovoltaic tracking system (containing linkage type flat single shaft), tiltedly single shaft photovoltaic tracking system (containing linkage inclined single-shaft) and polar mounts photovoltaic tracking system, the flake type twin shaft photovoltaic tracking system etc. of complete measument support attitude.Be not suitable for column twin shaft, column single shaft etc. needs the photovoltaic tracking mounting system measuring feathering angle.
Embodiment 1
As shown in Figure 2 and Figure 3 a polar mounts photovoltaic tracking device 2 is provided with multiple photovoltaic battery panel 10, tracking means has an anglec of rotation driving mechanism 3, follows the tracks of the azimuthal variation of the sun for driving arm.Simultaneously tracking means has an angle of pitch driving mechanism 4, follows the tracks of the change of sun elevation angle throughout the year for driving arm.When cancel angle of pitch driving mechanism by constant for the angle of pitch at a fixed angle time, polar mounts photovoltaic tracking device deteriorates to oblique single shaft photovoltaic tracking device.
The housing 1 of integral type tracking control unit to be fixedly mounted on polar mounts photovoltaic tracking device 2 and to move with tracking support.The housing 1 of tracking control unit adopts built-in acceleration of gravity formula obliquity sensor 102 to measure the normal direction of cell panel on polar mounts photovoltaic tracking device or oblique single shaft photovoltaic tracking device, through with solar incident ray angle contrast after anglec of rotation driving mechanism 3 and angle of pitch driving mechanism 4, make cell panel normal direction follow the tracks of the angle of incident light of the sun as far as possible.
In the present embodiment, MCU controller 101 adopts frescal company microcontroller MC9S08DZ60,3-axis acceleration formula obliquity sensor 102 adopts MPU6050 chip, and MCU controller 101 is converted to the angle of pitch and roll angle of following the tracks of support after reading original acceleration and gyro signal.Communication interface 103 adopts RS485 interface, and chip adopts MAX485, and communications protocol interface is MODBUS.Real-time timepiece chip 104 adopts DS1302 chip.Power transfer module 105 adopts Jin Shengyang company WRB2405ZP-3W power module.Following the tracks of support adopts direct current 24V motor to drive, and motor drive module 106 adopts MC33886 motor drive ic.
When following the tracks of support and adopting pole axis working method, two motor drive modules 106 are needed to drive pitching respectively and rotate Liang Ge mechanism; When following the tracks of support and adopting oblique single shaft working method, only need a motor drive module 106 driving arm rotating mechanism.
Along with the advance of time, the sunray incidence angle of following the tracks of support present position constantly changes, and MCU controller 101 reads the time in clock chip 104 chip DS1302, and calculates the real-time incident angle of the sun according to astronomical algorithm.MCU controller 101 reads acceleration in acceleration formula obliquity sensor 102 chip MPU6050 and gyro information, calculate the actual attitude obtaining and follow the tracks of support, then control signal is exported according to the deviation of incident angle and attitude angle, drive motor driver module 106 driving chip MC33886 exports DC driven electricity, support attitude is followed the tracks of in drive motor adjustment, reaches the object of photovoltaic tracking.
Embodiment 2
As shown in Figure 4, flat single shaft linkage formula photovoltaic tracking device 5 is made up of a disc type central drive mechanism 6 being arranged on array centre and many row of horizontal rotating shaft 12, feathering axis 12 is installed photovoltaic battery panel 10, feathering axis 12 is linked together by horizontal gangbar 9 and level interlock swing arm 11.
As shown in Figure 5, when disc type driving mechanism 6 rotates under the driving of horizontal drive motor 7, horizontally rotate actuating arm 8 and swing, and then the horizontal gangbar 9 of drive realizes horizontally rotating of many row's photovoltaic cell supports.
The housing 1 of integral type tracking control unit is fixedly mounted in interlock swing arm 8, and with swing arm motion.Tracking control unit 1 measures pendulum arm angle, through contrasting rear drive horizontal drive motor 7 with solar incident angle degree, realizes the anglec of rotation that level follows the tracks of support.
In the present embodiment, centralized linkage driving power of motor is comparatively large, adopts 220V Alternating Current Power Supply.MCU controller 101 adopts frescal company MC9S12DG128 type microcontroller, and 3-axis acceleration formula obliquity sensor 102 adopts MPU6050 chip, and MCU controller 101 is converted to the anglec of rotation and the angle of pitch of following the tracks of support after reading original acceleration and gyro signal.Communication interface 103 adopts electric line carrier communication interface, and the master chip of communication system adopts HL-PLCV3.0.Real-time clock 104 adopts DS1302 chip.Power transfer module 105 adopts AC transformer and 7805 D.C. regulated power supplies formed.Follow the tracks of carriage drive and adopt 220V one-way communication motor, driver module adopts SAE4010D bidirectional triode thyristor device.
Embodiment 3
The level identical with flat single shaft linkage formula photovoltaic tracking device 5 that have flake type twin shaft photovoltaic tracking device 13 as shown in Figure 6 links swing arm 11, under the driving of level interlock swing arm 11, cell panel 10 can horizontally rotate around feathering axis 12, for following the tracks of the azimuthal variation of the sun.Angle of pitch driving mechanism 4 is by pitching gangbar 14 simultaneously, drives the cell panel 10 on support to carry out luffing angle adjustment.The housing 1 of integral type tracking control unit is arranged on battery board bracket and moves with cell panel 10, measures the anglec of rotation and the angle of pitch of cell panel.
In flake type twin shaft photovoltaic tracking system, the interlock of varying level rotating shaft adopts centralized disc type central drive mechanism 6 to drive, and whole centralized driving mechanism needs installation integral type tracking control unit.On each feathering axis, the interlock of cell panel adopts angle of pitch driving mechanism 4 to drive, and each feathering axis also needs an integral type tracking control unit.
The integral type controller in the present embodiment, centralized driving mechanism installed adopts high-power AC motor.MCU controller 101 adopts frescal company MC9S12DG128 type microcontroller, and 3-axis acceleration formula obliquity sensor 102 adopts MPU6050 chip, and MCU controller 101 is converted to the anglec of rotation and the angle of pitch of following the tracks of support after reading original acceleration and gyro signal.Communication interface 103 adopts electric line carrier communication interface, and the master chip of communication system adopts HL-PLCV3.0.Real-time clock 104 adopts DS1302 chip.Power transfer module 105 adopts AC transformer and 7805 D.C. regulated power supplies formed.Follow the tracks of carriage drive and adopt 220V one-way communication motor, motor drive module 106 adopts SAE4010D bidirectional triode thyristor device.
Cell panel 10 pitch regulation in the present embodiment on each feathering axis 12 adopts a centerized fusion device separately, this MCU controller 101 adopts frescal company microcontroller MC9S08DZ60,3-axis acceleration formula obliquity sensor 102 adopts MPU6050 chip, and MCU controller 101 is converted to the angle of pitch and roll angle of following the tracks of support after reading original acceleration and gyro signal.Communication interface 103 adopts RS485 interface, and chip adopts MAX485, and communications protocol interface is MODBUS.Power transfer module 105 adopts Jin Shengyang company WRB2405ZP-3W power module.Following the tracks of support adopts direct current 24V motor to drive, and motor drive module 106 adopts MC33886 motor drive ic.
The integral type automatic controller of a kind of photovoltaic tracking system of the utility model, integrated by degree of will speed up formula obliquity sensor, MCU controller and motor drive module, and by its all-in-one-piece motion parts being arranged on tracking support, realize detecting, control and performing simultaneously, the complexity avoided between all parts connects, reduce the cost of complete equipment, maintenance and the replacing of parts can be carried out easily.
Claims (3)
1. the integral type automatic controller of a photovoltaic tracking system, it is characterized in that, comprise housing (1), MCU controller (101) is provided with in housing (1), MCU controller (101) is connected to acceleration formula obliquity sensor (102), communication interface (103), real-time clock (104), power transfer module (105), motor drive module (106), wherein acceleration formula obliquity sensor (102), communication interface (103), real-time clock (104), motor drive module (106) is all connected with power transfer module (105).
2. the integral type automatic controller of a kind of photovoltaic tracking system according to claim 1, is characterized in that, described acceleration formula obliquity sensor (102) adopts the inclination detecting device measured based on multiaxis acceleration of gravity.
3. the integral type automatic controller of a kind of photovoltaic tracking system according to claim 1, it is characterized in that, described housing (1) is arranged on photovoltaic tracking support, described housing (1) changes attitude with the motion of support, realizes the Detection & Controling of riding angle simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201521031216.0U CN205195644U (en) | 2015-12-10 | 2015-12-10 | Integral automatic control of photovoltaic tracking system |
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| CN201521031216.0U CN205195644U (en) | 2015-12-10 | 2015-12-10 | Integral automatic control of photovoltaic tracking system |
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| CN205195644U true CN205195644U (en) | 2016-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972821A (en) * | 2017-04-28 | 2017-07-21 | 唐文义 | A kind of photovoltaic module erection tower at rotatable pair of inclination angle |
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2015
- 2015-12-10 CN CN201521031216.0U patent/CN205195644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972821A (en) * | 2017-04-28 | 2017-07-21 | 唐文义 | A kind of photovoltaic module erection tower at rotatable pair of inclination angle |
| CN106972821B (en) * | 2017-04-28 | 2023-07-04 | 湖南合汇光伏科技有限公司 | Rotatable double-inclination photovoltaic module mounting tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Assignor: Zhao Yue Contract record no.: X2021610000013 Denomination of utility model: An integral automatic controller for photovoltaic tracking system Granted publication date: 20160427 License type: Common License Record date: 20211126 |
|
| EE01 | Entry into force of recordation of patent licensing contract |