CN207488830U - Biaxial sun-tracking tracking system based on LoRA communications - Google Patents
Biaxial sun-tracking tracking system based on LoRA communications Download PDFInfo
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- CN207488830U CN207488830U CN201721204386.3U CN201721204386U CN207488830U CN 207488830 U CN207488830 U CN 207488830U CN 201721204386 U CN201721204386 U CN 201721204386U CN 207488830 U CN207488830 U CN 207488830U
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Abstract
The utility model discloses the biaxial sun-tracking tracking systems to be communicated based on LoRA, the solar tracking tracking system includes column, bracket, photovoltaic module, LoRA communication modules, drive output module, MCU control unit and the rotary actuator for being used to drive carriage turns mounted on column top, the photovoltaic module is mounted in the front of the bracket, bracket positioned at the photovoltaic module upper limb is provided with cmos image sensor, the drive output of the MCU control unit is by driving output module to be electrically connected with the rotary actuator, the communication port of the LoRA communication modules, the video-out port of cmos image sensor is connect respectively with the acquisition input terminal of MCU control unit respectively.The solar tracking tracking system of the utility model round-the-clock can obtain the irradiation of sunlight, and flexible adjustment, and energy adjust automatically solar tracking angle is round-the-clock to receive sunlight irradiation, substantially increases the utilization rate of the energy.
Description
Technical field
The utility model belongs to technical field of solar more particularly to the biaxial sun-tracking tracking system to communicate based on LoRA.
Background technology
In the application of photovoltaic plant, fixed photovoltaic bracket is widely used.And photovoltaic biaxial sun-tracking tracking system is relatively solid
Fixed photovoltaic bracket system, can improve about 30% or so electricity generation efficiency, and existing photovoltaic sun tracking system is mainly irradiated using light
Sensor is detected the intensity of daylight, when being at a time tracked to daylight, needs by repeatedly adjusting photovoltaic branch
The inclination angle (including East and West direction and north-south) of frame, when the irradiation intensity that irradiation sensor is fed back is most strong, then it is assumed that be to reach
To best inclination angle (i.e. photovoltaic module faces the sun), it is achieved thereby that the accurate tracking to the sun.And it now uses at present
Light irradiation sensor at some time point, need repeatedly adjust photovoltaic bracket inclination angle could realize that photovoltaic module faces too
Sun, adjustment when, are long, while also affect the service life of executing agency, and light irradiation sensor is at high price, is manufactured into
This restricts the application of sun tracking system with maintenance cost.Since each sun tracking system is required for independent light irradiation sensor, adopt
The data volume of collection is very big, is unfavorable for transmitting and handle, and the data result of solar tracking cannot be shared, and needs independent chase after
Track process.For biaxial sun-tracking stent traditional at present mostly using vertical cantilever structure, stability is poor, and horizontal solar tracking stent is general only
There is uniaxial transmission, generating efficiency is poor；In addition common automatic tracking solar generation system deceleration mechanism, mostly using worm gear, snail
Bar is driven, and tracking accuracy is low, and rotation angle range is small, huge structure, and transmission efficiency is low, of high cost.
Utility model content
The purpose of this utility model is to provide the biaxial sun-tracking tracking system to be communicated based on LoRA, according to the utility model
Solar tracking tracking system be conducive to the irradiation that photovoltaic module receives sunlight, so as to enable sun tracking system is round-the-clock to obtain sunlight
Irradiation, and flexible adjustment, can adjust automatically solar tracking angle, it is round-the-clock to receive sunlight irradiation, substantially increase the energy
Utilization rate, to achieve these goals, the utility model use following technical scheme：
According to the one side of this hair utility model, the biaxial sun-tracking tracking system to communicate based on LoRA is provided, it is described
Solar tracking tracking system includes column, bracket, photovoltaic module, LoRA communication modules, driving output module, MCU control unit and peace
Mounted in column top for driving the rotary actuator of carriage turns, the photovoltaic module is mounted on the front of the bracket
It is interior, the bracket of the photovoltaic module upper limb is provided with cmos image sensor, the drive output of the MCU control unit
By the way that output module is driven to be electrically connected with the rotary actuator, the communication port of the LoRA communication modules, CMOS figures
As the video-out port of sensor is connect respectively with the acquisition input terminal of MCU control unit respectively.
Preferably, the LoRA communication modules pass through I2C serial bus is communicated to connect with the MCU control unit, should
LoRA communication modules are communicated using the free frequency ranges of 433MHz.
Preferably, the biaxial sun-tracking tracking system further includes data storage, the data storage respectively with it is described
MCU control unit connects.
Preferably, the data storage is SDRAM memory or is flash storage, and the MCU control units are adopted
With SM32F407 processor chips.
Preferably, the rotary actuator includes X-axis rotary actuator and Y-axis rotary actuator, the X-axis rotation
Turn executing agency and include supporting table, X-axis rotation variable-frequency motor and turntable, the Y-axis rotary actuator includes support shaft, rotation
Runner and Duo Gen skewed horizontal load bars, the supporting table are mounted on the top of the column, and the X-axis rotation variable-frequency motor is fixed on
The center of the supporting table, rotation with the turntable after the output shaft of X-axis rotation variable-frequency motor stretches out straight up
Axis connection, one end of the support shaft are vertically installed at the turntable center, and the other end of the support shaft installs the rotation
Wheel, the rotating wheel are connect by more skewed horizontal load bars with the back side of the bracket, the detachable installation in front of the bracket
The photovoltaic module, the fixing end of the extensible member are fixed on the rotation edge of table, the telescopic end of the extensible member with
The back side connection of the bracket and the track progress expanding-contracting action rotated along the rotating wheel.
Said program it is further preferred that also connected between opposite skewed horizontal load bar by transverse support bar,
The telescopic end of the extensible member and the transverse support bar.
Said program is it is further preferred that being fixed with nut at the center of the bracket and connection being matched with the nut
Adjusting screw rod, one end of the adjusting screw rod pass through and are attached with the back side of the photovoltaic module after the nut.
For said program it is further preferred that the bracket is arc shape, the photovoltaic module is mounted on the arc of the bracket
In shape face.
In conclusion since the utility model employs above-mentioned technical proposal, the utility model has following technique effect：
(1), the utility model uses cmos image sensor that can effectively reduce sun tracking system as detection sensor
The action frequency of executing agency can soon allow photovoltaic module to enter rational inclination angle, extend the service life of sun tracking system.
Entire photovoltaic sun tracking system can be reduced using sensor using the method for operation of LoRA communication modules composition data-link simultaneously
Quantity, and the reliability of the sun tracking system of entire photovoltaic plant can be enhanced, so as to make the light of the utility model biaxial sun-tracking system
Volt generating efficiency improves 30% or so than fixing bracket mode.
(2), be adjusted in the rotary actuator energy maximum magnitude of the utility model, enable the rotation amplitude of photovoltaic from
30 degree to 15 degree, and integrally-built stability is enhanced, tracking accuracy is high, and transmission efficiency, rotation angle range is wide, drop
Low material cost and manufacture cost；At the same time, the irradiation that photovoltaic module receives sunlight is more favorable for, so as to make solar tracking system
System round-the-clock can obtain the irradiation of sunlight, and flexible adjustment, and energy adjust automatically solar tracking angle is round-the-clock to receive solar irradiation
It penetrates, substantially increases the utilization rate of the energy.
Description of the drawings
Fig. 1 is the biaxial sun-tracking tracking system schematic diagram to be communicated based on LoRA of the utility model；
Fig. 2 is the structural relation figure of the rotary actuator of this practicality；
In attached drawing, 1-CMOS imaging sensors, 2- data storages, 3-MCU control units, 4- driving output modules, 5-X
Axis rotating mechanism, 6-Y axis elevating mechanisms, 7-LORA wireless communication modules, 8- group photovoltaic modulies, 9- brackets, 10- columns, 50-
Supporting table, 51-X axis rotation variable-frequency motor, 52- turntables, 60- support shafts, 61- rotating wheels, 62- skewed horizontal load bars, 63- stretch
Part, 64- transverse support bars, 64- nuts, 66- adjusting screw rods.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, referring to the drawings and enumerate excellent
Embodiment is selected, the utility model is further described.However, it is necessary to illustrate, many details listed in specification
Just for the sake of making one or more aspects of the reader to the utility model, there are one thorough explanations, specific even without these
Details can also realize the utility model these aspect.
As depicted in figs. 1 and 2, the biaxial sun-tracking tracking system according to the present utility model based on LoRA communications, it is described to chase after
Day tracking system includes defeated in the column 10 and bracket 9, photovoltaic module 8, LoRA communication modules 7, driving that are embedded in ground vertically
Go out module 4, MCU control unit 2 and mounted on 10 top of column for driving the rotary actuator of the rotation of bracket 9, it is described
Photovoltaic module 8 is mounted in the front of the bracket 9, and the bracket 9 is arc shape, and the photovoltaic module 8 is mounted on the support
In the arcwall face of frame 9, the bracket 9 of 8 upper limb of photovoltaic module is provided with cmos image sensor 1, the MCU controls are single
The drive output of member by the way that output module and the rotary actuator is driven to be electrically connected, the LoRA communication modules 7
Communication port, cmos image sensor 1 video-out port connect respectively with the acquisition input terminal of MCU control unit respectively.
The LoRA communication modules 7 pass through I2C serial bus is communicated to connect with the MCU control unit 2, which adopts
It is communicated with the free frequency ranges of 433MHz, the biaxial sun-tracking tracking system further includes data storage 3, the data storage
3 connect respectively with the MCU control unit 2, and the data storage is SDRAM memory or is flash storage, described
MCU control unit uses SM32F407 processor chips.
In the utility model, with reference to shown in Fig. 1 and Fig. 2, the rotary actuator includes X-axis rotary actuator 5
With Y-axis rotary actuator 6, the X-axis rotary actuator 5 includes supporting table 50, X-axis rotation variable-frequency motor 51 and rotation
Platform 52, the Y-axis rotary actuator 6 include support shaft 60, rotating wheel 61 and Duo Gen skewed horizontal loads bar 62, the supporting table 50
Mounted on the top of the column 10, the X-axis rotation variable-frequency motor 51 is fixed on the center of the supporting table 50, the X-axis
Rotation axis connection with the turntable 52 after the output shaft of rotation variable-frequency motor 51 stretches out straight up, the support shaft 60
One end is vertically installed at 52 center of turntable, and the other end of the support shaft 60 installs the rotating wheel 61, the rotating wheel
61 are connect by more skewed horizontal load bars 62 with the back side of the bracket 9, and the central shaft of the rotating wheel 61 becomes with Y-axis rotation
The output axis connection (not shown) of frequency motor, driving rotating wheel 61 rotates when Y-axis rotation variable-frequency motor rotates, and makes photovoltaic module 8
It is rotated with bracket 9 along thing (Y-axis) direction, the driving rotation adjusting light of turntable 52 of variable-frequency motor 51 is then being rotated by X-axis
It lies prostrate component 8 to rotate along north and south (X-axis) direction with bracket 9, the angle of X-axis and Y-axis rotation can pass through driving by MCU control unit 2
The X-axis that output module 4 is electrically connected rotates variable-frequency motor 51, Y-axis rotation variable-frequency motor is configured, the front of the bracket 9
The photovoltaic module 8 is detachably installed, the fixing end of the extensible member 63 is fixed on the edge of the turntable 52, described to stretch
The telescopic end of contracting part 63 connect with the back side of the bracket 9 and carries out expanding-contracting action along the track that the rotating wheel 61 rotates.
As shown in Fig. 2, it is also connected between opposite skewed horizontal load bar 62 by transverse support bar 64, the extensible member
63 telescopic end is connect with the transverse support bar 64, is connect, can be supported with the transverse support bar 64 by extensible member 63
Rotate along engineering along East and West direction with rotating wheel 61 with photovoltaic module 8 and bracket 9 and more stablize, the extensible member 63 for cylinder or its
His telescopic equipment；Nut 65 is fixed at the center of the bracket 9 and the adjusting screw rod 66 of connection is matched with the nut 65, it should
One end of adjusting screw rod is attached after passing through the nut 65 with the back side of the photovoltaic module 8, when photovoltaic module 8 is in bracket
After installation is complete on 9, surely described photovoltaic module 8 can be further fixed by nut 65 and adjusting screw rod 66, works as needs
When taking out photovoltaic module 8 from bracket 9, rotation adjusting screw rod 66 is so as to push photovoltaic module 8 to leave bracket 9, so as to be more prone to
Photovoltaic module 8 is taken out from bracket 9.
In the utility model, with reference to Fig. 1 and Fig. 2, it is used for substituting general luminous intensity biography using cmos image sensor 1
Sensor uses 32 bit processor chips for the judgement to position of sun, the MCU control unit 2, drives output module 4
The movement instruction sent out according to MCU control unit 2 come drive the rotary actuator of the X-axis of photovoltaic frame torr frame 9 and Y-axis operate, make
Photovoltaic bracket 9 follows sun's motion.The X-axis of photovoltaic bracket 9 and the obliquity information of Y-axis are controlled by this electronic feedback to MCU
Unit 2 processed, the X-axis rotary actuator 5 and inclination angle feedback device (driving output module 4) of photovoltaic bracket 9 are for realizing photovoltaic
The transmeridional pitch angle control of bracket, the Y-axis rotary actuator 6 and inclination angle feedback device (driving output module 4) of photovoltaic bracket,
For realizing the pitch angle control in photovoltaic bracket north-south.LoRA communication modules 7 are utilized with strong anti-interference in the utility model, pass
The characteristics of defeated distance is remote, the system tracks to solar azimuth angle information can others be transferred to by LoRA communication modules 7
Sun tracking system, it is possible to reduce the expense of other sun tracking system sensors.Or the cmos image sensor in other sun tracking systems
During failure, the correct azimuth of the sun can also be obtained from communication data, that improves entire photovoltaic plant sun tracking system can
By property.When the sun tracking system of the utility model is when starting the solar tracking behavior of one day, cmos image sensor 1 is to the side of the sun
Position is detected, and MCU control unit 2 first estimates the azimuth of the sun substantially according to the database of internal clock and inside, so
After pass through I2C data interface, which enables, sends control instruction to one normal image of exposure of the shooting of cmos image sensor 1, Ran Houtong
It crosses data-interface to read image data from cmos image sensor 1 and be stored in SDRAM, then image data is analyzed,
The position of the sun in the picture is found out, according to position of the sun in picture, calculates the ideal inclination angle of photovoltaic module 8 with showing
In the East and West direction of position and the differential seat angle in north-south, the fixed bracket 9 for supporting the photovoltaic module 8 is then made to enter rationally rapidly
Azimuth (East and West direction and north-south), make photovoltaic module vertical with the light of the sun, then repeat the action of one time 2, really
Recognize photovoltaic bracket and have been enter into optimum angle of incidence (East and West direction and north-south).Then the inclination angle in the East and West direction of photovoltaic bracket and north-south is protected
It is stored in MCU control unit 2, in case of need, over time, the position of the sun can change, and system repeats
2 action makes photovoltaic bracket be again introduced into ideal inclination angle (East and West direction and north-south), can pass through between each sun tracking system
LoRA communication modules 7 form the communication data chain that can be in communication with each other, and any LoRa communication modules in such communication link can be with
Relay function is completed by other LoRa communication modules, so as to lead to indirectly with other LoRa arbitrary in solar tracking system network range
It interrogates module and establishes communication connection, allow the position of sun that each sun tracking system detects by data sharing, in data-link
The position that other sun tracking systems need not voluntarily detect the sun can be achieved with solar tracking tracking, cross LoRA communication modules 7 on the ground of empty ore deposit
For square transmission range up to 3~5km, the sun tracking system for fitting entirely into large-sized photovoltaic power station sets up data-link.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (8)
1. the biaxial sun-tracking tracking system based on LoRA communications, it is characterised in that：The solar tracking tracking system includes column, support
Frame, photovoltaic module, LoRA communication modules, driving output module, MCU control unit and the driving that is used for mounted on column top are held in the palm
The rotary actuator of frame rotation, the photovoltaic module is mounted in the front of the bracket, positioned at the photovoltaic module upper limb
Bracket be provided with cmos image sensor, the drive output of the MCU control unit by drive output module with it is described
Rotary actuator is electrically connected, the communication port of the LoRA communication modules, the video-out port of cmos image sensor
It is connect respectively with the acquisition input terminal of MCU control unit respectively.
2. the biaxial sun-tracking tracking system according to claim 1 based on LoRA communications, it is characterised in that：The LoRA leads to
Letter module passes through I2C serial bus is communicated to connect with the MCU control unit, and the LoRA communication modules are using the free frequencies of 433MHz
Duan Jinhang communicates.
3. the biaxial sun-tracking tracking system according to claim 1 based on LoRA communications, it is characterised in that：The twin shaft chases after
Day, tracking system further included data storage, and the data storage is connect respectively with the MCU control unit.
4. the biaxial sun-tracking tracking system according to claim 3 based on LoRA communications, it is characterised in that：The data are deposited
Reservoir is SDRAM memory or is flash storage, and the MCU control unit uses SM32F407 processor chips.
5. the biaxial sun-tracking tracking system according to claim 1 based on LoRA communications, it is characterised in that：The rotation is held
Row mechanism includes X-axis rotary actuator and Y-axis rotary actuator, and the X-axis rotary actuator includes supporting table, X-axis
Variable-frequency motor and turntable are rotated, the Y-axis rotary actuator includes support shaft, rotating wheel, extensible member and the oblique branch of Duo Gen
Strut, the supporting table are mounted on the top of the column, and the X-axis rotation variable-frequency motor is fixed in the supporting table
Centre, rotation axis connection with the turntable after the output shaft of X-axis rotation variable-frequency motor stretches out straight up, the support
One end of axis is vertically installed at the turntable center, and the other end of the support shaft installs the rotating wheel, and the rotating wheel is led to
Excessive root skewed horizontal load bar is connect with the back side of the bracket, and the photovoltaic module, institute are detachably installed in the front of the bracket
The fixing end for stating extensible member is fixed on the rotation edge of table, and the telescopic end of the extensible member and the back side of the bracket connect
It connects and carries out expanding-contracting action along the track that the rotating wheel rotates.
6. the biaxial sun-tracking tracking system according to claim 5 based on LoRA communications, it is characterised in that：In opposite
It is also connected between skewed horizontal load bar by transverse support bar, in telescopic end and the transverse support bar of the extensible member.
7. the biaxial sun-tracking tracking system according to claim 5 based on LoRA communications, it is characterised in that：In the bracket
Center be fixed with nut and the adjusting screw rod of connection matched with the nut, after one end of the adjusting screw rod passes through the nut
It is attached with the back side of the photovoltaic module.
8. the biaxial sun-tracking tracking system based on LoRA communications according to claim 5 or 7, it is characterised in that：The support
Frame is arc shape, and the photovoltaic module is mounted in the arcwall face of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204386.3U CN207488830U (en) | 2017-09-20 | 2017-09-20 | Biaxial sun-tracking tracking system based on LoRA communications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204386.3U CN207488830U (en) | 2017-09-20 | 2017-09-20 | Biaxial sun-tracking tracking system based on LoRA communications |
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| Publication Number | Publication Date |
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| CN207488830U true CN207488830U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721204386.3U Active CN207488830U (en) | 2017-09-20 | 2017-09-20 | Biaxial sun-tracking tracking system based on LoRA communications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658856A (en) * | 2019-09-26 | 2020-01-07 | 江苏科技大学 | Double-shaft alternating allowance type variable-frequency sun tracking method |
-
2017
- 2017-09-20 CN CN201721204386.3U patent/CN207488830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658856A (en) * | 2019-09-26 | 2020-01-07 | 江苏科技大学 | Double-shaft alternating allowance type variable-frequency sun tracking method |
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