CN107991918A - A kind of multi-functional photo-voltaic power generation station real-time monitoring system - Google Patents
A kind of multi-functional photo-voltaic power generation station real-time monitoring system Download PDFInfo
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- CN107991918A CN107991918A CN201711012848.6A CN201711012848A CN107991918A CN 107991918 A CN107991918 A CN 107991918A CN 201711012848 A CN201711012848 A CN 201711012848A CN 107991918 A CN107991918 A CN 107991918A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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Abstract
The invention belongs to monitoring technology field, discloses a kind of multi-functional photo-voltaic power generation station real-time monitoring system；Including video monitoring module, light source data acquisition module, weather detection module, central control module, data processing module, signal processing module, wireless transport module, wireless receiving module, image conversion module, display module.Central control module is electrically connected with video monitoring module, light source data acquisition module, weather detection module, data processing module；Data processing module is electrically connected with signal processing module；The signal processing module is connected with wireless transport module；The wireless transport module sends a signal to wireless receiving module；Described image modular converter is connected with wireless receiving module.The present invention is feature-rich, more in terms of Data Detection, can detect video image, sunlight intensity, sunlight angle information, weather condition state at the same time, can effectively improve photovoltaic efficiency.
Description
Technical field
The invention belongs to monitoring technology field, more particularly to a kind of multi-functional photo-voltaic power generation station real-time monitoring system.
Background technology
The utilization rate of existing multi-functional photo-voltaic power generation station solar energy is not especially abundant, and energy consumption is higher.One of them
Major reason is a lack of effective to multi-functional photo-voltaic power generation station monitoring means, it is impossible to adjusts angle of photovoltaic panel at any time.
The utilization of solar energy is typically all that solar energy is converted into other kinds of can use using solar energy acquisition module
The energy and be used, in the prior art in, solar energy is converted into electric energy using solar panel.To solar energy into
When row electric energy is changed, since the position of the sun is changed with the change of time, if using the fixed sun
Energy receiving module, the position of this module can not change with the sun, solar energy can only effectively be absorbed in the fixed period, at other
The absorption efficiency of section is just very low.
Therefore, for the absorption efficiency of solar energy improves, being to sun progress real-time tracking using solar tracking system can
Go and effective.
In conclusion problem existing in the prior art is：Prior art utilization rate be not especially fully, and energy consumption compared with
It is high.One of major reason is a lack of effective to multi-functional photo-voltaic power generation station monitoring means, it is impossible to adjusts photovoltaic panel at any time
Angle.
The content of the invention
In view of the problems of the existing technology, the present invention provides a kind of multi-functional photo-voltaic power generation station real-time monitoring system.
The present invention is achieved in that a kind of multi-functional photo-voltaic power generation station real-time monitoring system, including video monitoring module,
Light source data acquisition module, weather detection module, central control module, data processing module, signal processing module, be wirelessly transferred
Module, wireless receiving module, image conversion module, display module.
The video monitoring module is used to obtain photovoltaic generating module operation image；
The light source data acquisition module is to adjust transverse and longitudinal axis by local track of sun moving law and clock information
The rotation angle of stepper motor, detects sunlight intensity in real time, and preserves the sun of sunlight intensity maximum point in rotating range
Angular information；
The weather detection module is used to detect weather condition；
The central control module and video monitoring module, light source data acquisition module, weather detection module, data processing
Module is electrically connected, for by video image, sunlight angle information, weather condition state, be transferred to data processing module；
The data processing module is electrically connected with signal processing module, for the data of acquisition to be converted to wireless communication
Number；
The signal processing module is connected with wireless transport module, for denoising or mode conversion, by signal enhancing；
The wireless transport module sends a signal to wireless receiving module；
Described image modular converter is connected with wireless receiving module, for converting a signal into image.
Further, the display module includes LCD MODULE and light-emitting diode display module, with image modulus of conversion
Block is connected.
The real-time pictures that the LCD MODULE is sent by image conversion module, user is showed with image format；
The light-emitting diode display module then shows the scope and difference of sunlight intensity by different colors, segmentation
The sunlight angle information and weather condition information of period.
Further, the photovoltaic generating module be provided with control module, steering mechanism, solar energy acquisition module, controller,
Energy storage module, inverter；The control module connects steering mechanism, steering mechanism of institute connection solar energy acquisition module, it is described too
Positive energy acquisition module connection controller, the controller connect energy storage module, and the energy storage module connects inverter；The sun
Energy acquisition module is provided with solar panels, and the steering mechanism is provided with base, lower floor's platform, upper platform, the first driving electricity
Machine, the first slowdown module, the second driving motor, the second slowdown module, swing arm, solar panel fixed frame, the control module are set
It is equipped with microcontroller, timing chip, stepper motor driver chip；
The solar panels are shelved on solar panel fixed frame,
Lower floor's platform is connected to base top, and the first driving motor connects the first slowdown module, the first slowdown module
It is fixed on lower floor's platform, upper platform is connected to the first slowdown module top, and the second driving motor connects the second slowdown module,
Second slowdown module is fixed on upper platform, and the swing arm is connected on the second slowdown module, the connection of solar panel fixed frame
In swing arm, the control module, controller, energy storage module, inverter are respectively positioned on base.
Further, first slowdown module, the second slowdown module are turbine and worm retarder；First driving motor,
Second driving motor is two-phase hybrid stepping motor.
The control module is provided with microcontroller, timing chip, stepper motor driver chip, timing chip, stepper motor
Driving chip is connected with microcontroller.
Further, the microcontroller is provided with pin, reprogrammable memory, programmable I/O lines, timer/meter
Number device, programmable full duplex serial-port, piece internal clock oscillator are simultaneously integrated on microcontroller；
Timing chip be provided with the address register for automatically generating increment, the oscillator with the capacitance being internally integrated, to
Real-time clock RTC provides source Clock dividers, programmable clock out circuit, timer, alarm, brown-out detector and I2C
Bus interface；
The pin includes oscillator input and output pin, interrupt signal output pin, positive supply and ground wire pin, serial
Data cable, serial clock signal line, clock signal output pin.
Further, the stepper motor driver chip is stepping motor drive integrated circuit, stepper motor driver chip by
Ring distributor, signal processor, promote level, power amplifier to form and be integrated on stepping motor drive integrated circuit.
Advantages of the present invention and good effect are：The present invention is feature-rich, more in terms of Data Detection, can at the same time detect and regard
Frequency image, sunlight intensity, sunlight angle information, weather condition state, according to these information, adjust photovoltaic plate angle at any time
Degree, can effectively improve photovoltaic efficiency.
Since the present invention uses the method for double-axis tracking to track the sun immediately, pass through transmeridional Bearings tracking
Tracking with the elevation angle in north-south, which reaches, enables solar panel face solar illumination angle all the time, so as to reach raising too
It is positive can utilization rate purpose, steering module can carry out being freely rotated for East and West direction and north-south, and the present invention is cheap, reliable
Property is high, simple for structure, and mechanical steering gear is compact-sized in structure, rationally distributed, and option is not excessive too fat to move, selects small-sized
Component；
By the collection and contrast of the mechanical structure to current a variety of solar energy acquisition modules, then several proper
The requirement that some modifications are more in line with the present invention is carried out on the basis of structure, there is very big rotation sky in East and West direction and north-south
Between, and it is simple in structure, consumptive material is less, is relatively adapted to small-sized solar energy tracking electricity generation system.
Brief description of the drawings
Fig. 1 is the structure chart for the multi-functional photo-voltaic power generation station real-time monitoring system that the present invention implements offer；
In figure：1st, video monitoring module；2nd, light source data acquisition module；3rd, weather detection module；4th, central control module；
5th, data processing module；6th, signal processing module；7th, wireless transport module；8th, wireless receiving module；9th, image conversion module；
10th, display module；11st, LCD MODULE；12nd, light-emitting diode display module.
Fig. 2 is photovoltaic generating module structure diagram provided in an embodiment of the present invention；
Fig. 3 is steering mechanism's schematic diagram provided in an embodiment of the present invention；
In figure：13rd, control module；14th, steering mechanism；14-1, base, 14-2, lower floor's platform；14-3, upper platform；
14-4, the first driving motor；14-5, the first slowdown module；14-6, the second driving motor；14-7, the second slowdown module；14-8、
Swing arm；14-9, solar panel fixed frame；15th, solar energy acquisition module；16th, controller；17th, energy storage module；18th, inverter.
Fig. 4 is the design of integer electro-circuit figure of photovoltaic generating module provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings and specific embodiment is further described the application principle of the present invention.
As shown in Figure 1,
The present invention implements the multi-functional photo-voltaic power generation station real-time monitoring system provided, including video monitoring module 1, light source number
According to acquisition module 2, weather detection module 3, central control module 4, data processing module 5, signal processing module 6, it is wirelessly transferred
Module 7, wireless receiving module 8, image conversion module 9, display module 10.
The video monitoring module 1 is used to obtain photovoltaic generating module operation image；
The light source data acquisition module 2 is to adjust transverse and longitudinal axis by local track of sun moving law and clock information
The rotation angle of stepper motor, detects sunlight intensity in real time, and preserves the sun of sunlight intensity maximum point in rotating range
Angular information；
The weather detection module 3 is used to detect weather condition；
The central control module 4 and video monitoring module 1, light source data acquisition module 2, weather detection module 3, data
Processing module 5 is electrically connected, for by video image, sunlight angle information, weather condition state, be transferred to data processing mould
Block；
The data processing module 5 is electrically connected with signal processing module 6, for the data of acquisition to be converted to wireless communication
Number；
The signal processing module 6 is connected with wireless transport module 7, for denoising or mode conversion, by signal enhancing；
The wireless transport module 7 sends a signal to wireless receiving module 8；
Described image modular converter 9 is connected with wireless receiving module 8, for converting a signal into image.
The display module 10 includes LCD MODULE 11 and light-emitting diode display module 12, with image conversion module
It is connected.
The real-time pictures that the LCD MODULE 11 is sent by image conversion module, use is showed with image format
Family；
For the light-emitting diode display module 12 then by different colors, segmentation shows the scope and not of sunlight intensity
With the sunlight angle information and weather condition information of period.
The operation principle of the present invention：Video monitoring module 1 obtains photovoltaic generating module operation image, light source data collection mould
Block 2 adjusts the rotation angle of transverse and longitudinal shaft step motor by local track of sun moving law and clock information, in real time detection
Sunlight intensity, and the sunlight angle information of sunlight intensity maximum point in rotating range is preserved, weather detection module 3 detects
Weather condition；Central control module 4 by video image, sunlight angle information, weather condition state, be transferred to data processing mould
The data of acquisition are converted to wireless signal by block, data processing module, signal processing module 6 by signal denoising or mode conversion,
By signal enhancing；Wireless transport module 7 sends a signal to wireless receiving module 8；Image conversion module 9 and wireless receiving module
8 are connected, for converting a signal into image.The real-time picture that the LCD MODULE 11 is sent by image conversion module
Face, shows user, light-emitting diode display module 12 then shows sun light intensity by different colors, segmentation with image format
The scope of degree and the sunlight angle information of different periods and weather condition information.
With reference to photovoltaic generating module, the invention will be further described.
As shown in Figures 2 to 4, photovoltaic generating module provided in an embodiment of the present invention is provided with control module 13, turning machine
Structure 14, solar energy acquisition module 15, controller 16, energy storage module 17, inverter 18；The control module connects steering mechanism,
Steering mechanism of institute connects solar energy acquisition module, and the solar energy acquisition module connects controller, and the controller connects energy storage
Module, the energy storage module connect inverter；The solar energy acquisition module is provided with solar panels, and the steering mechanism is set
There are base 14-1, lower floor platform 14-2, upper platform 14-3, the first driving motor 14-4, the first slowdown module 14-5, second to drive
Dynamic motor 14-6, the second slowdown module 14-7, swing arm 14-8, solar panel fixed frame 14-9, the control module 13 are provided with
Microcontroller, timing chip, stepper motor driver chip；
The solar panels are shelved on solar panel fixed frame,
Lower floor's platform is connected to base top, and the first driving motor connects the first slowdown module, the first slowdown module
It is fixed on lower floor's platform, upper platform is connected to the first slowdown module top, and the second driving motor connects the second slowdown module,
Second slowdown module is fixed on upper platform, and the swing arm is connected on the second slowdown module, the connection of solar panel fixed frame
In swing arm, the control module, controller, energy storage module, inverter are respectively positioned on base.
The first slowdown module 14-5, the second slowdown module 14-7 are turbine and worm retarder；First driving motor
14-4, the second driving motor 14-6 are two-phase hybrid stepping motor.
The control module is provided with microcontroller, timing chip, stepper motor driver chip, timing chip, stepper motor
Driving chip is connected with microcontroller.
The microcontroller be provided with pin, reprogrammable memory, programmable I/O lines, timer/counter, can
Programming full duplex serial-port, piece internal clock oscillator are simultaneously integrated on microcontroller；
Timing chip be provided with the address register for automatically generating increment, the oscillator with the capacitance being internally integrated, to
Real-time clock RTC provides source Clock dividers, programmable clock out circuit, timer, alarm, brown-out detector and I2C
Bus interface；
The pin includes oscillator input and output pin, interrupt signal output pin, positive supply and ground wire pin, serial
Data cable, serial clock signal line, clock signal output pin.
The stepper motor driver chip is stepping motor drive integrated circuit, and stepper motor driver chip is distributed by annular
Device, signal processor, promote level, power amplifier to form and be integrated on stepping motor drive integrated circuit.
Since the present invention uses the method for double-axis tracking to track the sun immediately, pass through transmeridional Bearings tracking
Tracking with the elevation angle in north-south, which reaches, enables solar panel face solar illumination angle all the time, so as to reach raising too
It is positive can utilization rate purpose, steering module can carry out being freely rotated for East and West direction and north-south, and the present invention is cheap, reliable
Property is high, simple for structure, and mechanical steering gear is compact-sized in structure, rationally distributed, and option is not excessive too fat to move, selects small-sized
Component；
By the collection and contrast of the mechanical structure to current a variety of solar energy acquisition modules, then several proper
The requirement that some modifications are more in line with the present invention is carried out on the basis of structure, there is very big rotation sky in East and West direction and north-south
Between, and it is simple in structure, consumptive material is less, is relatively adapted to small-sized solar energy tracking electricity generation system.
With reference to principle analysis, the present invention is further described.
The design of general frame
Being reached in the present invention by the tracking of transmeridional Bearings tracking and the elevation angle in north-south makes solar cell
Plate can face solar illumination angle all the time, so as to achieve the purpose that to improve solar energy utilization ratio, thus steering module firstly the need of
Meet that being freely rotated for East and West direction and north-south can be carried out.Meanwhile the design of this tracking module must also in line with it is cheap,
High, the simple for structure principle of reliability carries out.Mechanical steering gear will accomplish compact-sized, rationally distributed, option in structure
Cannot be excessive too fat to move, under equal conditions, small-sized component is selected as far as possible.
By the collection and contrast of the mechanical structure to current a variety of solar energy acquisition modules, then several proper
Some modifications are carried out on the basis of structure to be more in line with the requirement of the design, this structure of the structure finally obtained in East and West direction and
There is very big rotation space in north-south, and simple in structure, and consumptive material is less, is relatively adapted to small-sized solar energy tracking power generation system
System.
The type selecting of slowdown module
In the development of photovoltaic generating system, it is desirable to it is compact-sized, therefore the motor volume to be selected cannot be too big, due to knot
The limitation of structure, the power and moment of torsion of motor will not be very big, it is impossible to directly drive mechanical steering gear to do tracking sun's motion.
Therefore to select suitable reducing gear to improve moment of torsion, steering mechanism is run well.In order to meet that whole system structure is tight
Gather, small requirement, subtracted in this mechanical steering gear by the comparative analysis of various retarders, final choice turbine and worm
Fast device.
The turbine and worm retarder specifically selected is NMRV04O turbine and worm reduction boxes, the compact structure of this gear reducer and
It is compact, good appearance, small, there is mounting hole position on each face of babinet, be adapted to various mounting means.
NMRV040 technical parameters：
Power：0.06KW~7.5KW,
Torque：2.6Nm~2379Nm,
Gearratio：5-100.
Drive the type selecting of motor
Application claims can more accurately tracking position of sun, therefore it is required that driving motor can be accurately telecommunications
The angular displacement number being converted on motor shaft.Chosen steps motor is as driving motor in the present invention.
Stepping motor is pure digital control electric machine.Electric impulse signal is transformed into angular displacement by it, i.e., to one
Pulse signal, step motivation just rotates an angle, therefore is very suitable for microcontroller control.
In view of driving motor-driven load larger, two-phase hybrid stepping motor has been selected as system drive source.
The stepper motor that the utility model is selected is 85BYGH350A, and parameter value is as shown in table 1.
The technical parameter of 1 stepper motor of table
| Model | The number of phases | Stepping angle | Statical moment (N.m) | Electric current (I) | Weight (kg) |
| 85BYGH350A | 2 | 1.2° | 2.4 | 2.4 | 2.0 |
The design of control module
Control module is needed in thing, north and south both direction to solar irradiation firing angle into line trace, and tracking mode is by too
Sun irradiation rule is designed.Tracking system needs microcontroller by the way that the time is judged, compared and extracted, according still further to difference
Time control stepper motor solar panel is carried out corresponding angulation change, a timing core is wherein selected in terms of the time
Piece is calculated automatically, while needs to select a stepper motor driver chip to connect microcontroller and stepper motor.
Therefore under the requirement of accurate, practical, high performance-price ratio etc., to microcontroller, timing chip and driving stepper motor
Chip carries out type selecting,
The type selecting of microcontroller
The AT89C51 type microcontrollers of microcontroller subassembly selection atmel corp production.AT89C15 is a kind of low-power consumption, Gao Xing
8 microcontrollers of energy, it uses CMOS technology and high-density nonvolatile memory (NURAM) technology, and pin and instruction
System is all compatible with MCS 1.AT89C51 is that a kind of function is strong, flexibility is high and the microcontroller of reasonable price, be can be very good
Meet the design requirement of the system.
AT89C15 it there is following main feature:
(1) the reprogrammable Flash memories of 4KB (erasable 100 times),
(2) full quiescent operation frequency：Mono- 24MHz of 0Hz,
(3) three-level memory under program maintains secrecy,
(4) 128 byte inner RMA,
(5) 32 programmable I/O lines,
(6) 2 16 bit timing devices/counters,
(7) 6 interrupt sources,
(8) full duplex serial-port is may be programmed,
(9) piece internal clock oscillator,
AT89C15 is designed with static logic, its working frequency can drop to 0Hz, and two kinds of offer can use software
The province of selection electrically, i.e. idle mode and power-down mode.In idle mode, CPU is stopped, and RAM, timer/meter
Number device, serial port and interruption system all work in power-down mode, and piece internal oscillator is stopped, since clock " is frozen
Knot ", makes all functions all suspend, and the content of internal RAM is only kept, untill hardware reset next time.
The type selecting of timing chip
Application claims can record the time, and monolithic function reads the instant moment of program setting, because
This will select a timing chip to provide extraction and the record of time for system.In the utility model, selection is 8563 timing cores
Piece.
8563 be Philips companies release include I2C bus interface function simultaneously obtains Multifunctional calendar with extremely low power dissipation
Clock chip.8563 obtain a variety of warning functions, timer function, clock output function and interrupt output function, can meet various
Complicated timing services demand, or even " house dog " function can be provided for microcontroller.Internal circuit all the time, internal oscillator circuit,
Internal low voltage detection circuit (1.0V) and two-wire system I2C bus communication modes, not only make peripheral circuit extremely succinct, and
Add the reliability of chip.Every time after read-write data, 8563 embedded word address registers can automatically generate increment, be chip
Read-write operation provide it is convenient.Thus, 8563 be the high time calendar clock of a cost performance.
8563 inside composition includes：One address register that can automatically generate increment, built in one
The oscillator (carrying a capacitance being internally integrated) of 32.768kHz, a frequency divider (are used to provide source to real-time clock RTC
Clock), a programmable clock out, a timer, an alarm, a brown-out detector and 400kHz's
I2C bus interface.
8563 have 16 registers.16 registers are designed to addressable and obtain 8 parallel-by-bit registers：Two controls, shapes
It is 00H and 01H that state register, which obtains address,；Second-year register address thing 02H-08H；The address of alarm register is 09H-
0CH, for defining alert if；Address is the output frequency that the register of 0DH is used to control CLKOUT pins；Timer control
The address of register processed is 0EH；The address of timing register is 0FH.Second, minute, hour, day, the moon, year, minute alarm, hour
Alarm, the coded format of day alarm register be BCD, week and week alarm register not with BCD said shanks, each definition and
Function is as shown in 2~table of table 6.
Table 2 controls/everybody definition of status register 1 and function
Table 3 controls/everybody definition of status register 2 and function
Table everybody definition of register in 4 seconds and function
Table everybody definition of register in 5 minutes and function
| HR | Definition | Function |
| 7 | - | It is invalid |
| 6-0 | Point | Represent the current minute numerical value of BCD forms |
Everybody definition of register and function when table 6 is small
| HR | Definition | Function |
| 7-6 | - | It is invalid |
| 5-0 | When | Represent the current hour numerical value of BCD forms |
8563 use SO8 or DIP8 packing forms, its pin is defined as：
(1) OSCI and OSCO：Oscillator input and output pin,
(2)Interrupt signal output pin,
(3) VDD and VSS：Positive supply and ground,
(4)SDA：Serial data line,
(5)SCL：Serial clock signal line,
(6)CLKOUT：Clock signal output pin.
The type selecting of stepper motor driver chip
The driving chip that the present invention selects is A3759 stepping motor drive integrated circuits.A3759 is that one kind is used for driving
The doublewound monolithic integrated optical circuit of bipolar stepping motor, may also be used for double-direction control two motors.Dual H-bridge can connect
Continuous output ± the electric current of~500mA and the working voltage of 30V.When switch motor either other inductive loads when, substrate every
From fly-wheel diode can play the role of output suppress.For each H bridge, phase (PHASE) input terminal can pass through choosing
The polarity of suitable power supply and driver control electric current is selected, when enabled (ENABLE) input is set to high level, can be made respective
H bridges turn on.When 2 ENABLE pins all
The driving chip that the present invention selects is A3759 stepping motor drive integrated circuits.A3759 is a kind of double for driving
The doublewound monolithic integrated optical circuit of polarity stepper motor, may also be used for double-direction control two motors.Dual H-bridge can be continuously defeated
Go out ± the electric current of~500mA and the working voltage of 30V.When switch motor either other inductive loads, substrate isolation
Fly-wheel diode can play the role of output and suppress.For each H bridge, phase (PHASE) input terminal can be by selecting to close
Suitable power supply and the polarity of driver control electric current, when enabled (ENABLE) input is set to high level, can lead respective H bridges
It is logical.When 2 ENABLE pins are all set to low level, chip enters sleep state, consumes the electric current less than 100 microamperes.
A3976 addition of many defencive functions, to ensure that circuit works under harsh environment, and in order to applied to vapour
Car and be specifically designed.Protection circuit is able to detect that load open circuit or short circuit, motor short circuit ground connection or short circuit connect
Power supply, power power-supply VBB overvoltage, logic power VCCUnder-voltage, cross Thermal shutdown etc..If detecting these, input will be by
Forbid, fault message is that FAULT1 and FAULT2 is exported by diagnosing pin.
A3976 has the characteristics that following some in performance：
(1) there is 30V, the continuous fan-out capability of ± 500mA,
(2) there is 35V to remove remaining function,
(3) there is output short circuit protection,
(4) fault diagnosis signal of exportable coding,
(5) weak current standby is equipped with,
(6) load open circuit monitor is equipped with,
(7) there is power circuit power supply VBB overvoltage turn-off functions,
It is (8) internal to contain low parasitic fly-wheel diode,
(9) possesses staggered form current protecting function.
Pin and parameter declaration：
A3976 has two kinds of encapsulation：The Plastic Package DIP of 16 feet (suffix is made with " B ")；The Plastic Package SOIC of 24 feet
(with " LB " for suffix).The chip selected in the design is 16 foot chips, A3976 pins illustrated in table 7.
7 A3976 pin explanations of table
| Pin name | Pin description | Corresponding pin number |
| VBB | Motor power supply 30V | 1 |
| ENABLE1 | Control logic-bridge 1 | 2 |
| PHASE1 | Control logic-bridge 1 | 3 |
| GROUND | Power Groud | 4,5,12,13 |
| OUT1A | Bridge 1 exports, output current ± 500mA | 6 |
| FAULT1 | Diagnosis output, voltage 7.0V | 7 |
| OUT1B | Bridge 1 exports | 8 |
| OUT2B | Bridge 2 exports | 9 |
| FAULT2 | Diagnosis output | 10 |
| OUT2A | Bridge 2 exports | 11 |
| PHASE2 | Control logic-bridge 2 | 14 |
| ENABLE2 | Control logic-bridge 2 | 15 |
| VCC | Logic power 7.0V | 16 |
As indicated at 4：The design of integrated circuit figure
In circuit diagram of the present invention, the time data of timing chip reads in microcontrollers for two mouthfuls by P1.0, P1.1, after treatment
Microcontroller is driven to control east-west direction and the stepper motor of North and South direction respectively by P0.1~P0.4 and P2.0~P2.4
Chip transmission of control signals is moved to control the solar panel face sun all the time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of multi-functional photo-voltaic power generation station real-time monitoring system, it is characterised in that the multi-functional photo-voltaic power generation station is supervised in real time
Control system includes：
Video monitoring module, for obtaining photovoltaic generating module operation image；
Light source data acquisition module, transverse and longitudinal shaft step motor is adjusted by local track of sun moving law and clock information
Rotation angle, detects sunlight intensity in real time, and preserves the sunlight angle information of sunlight intensity maximum point in rotating range；
Weather detection module, for detecting weather condition；
Central control module, with video monitoring module, light source data acquisition module, weather detection module, data processing module electricity
Property connection, for by video image, sunlight angle information, weather condition state, be transferred to data processing module；
Data processing module, is electrically connected with signal processing module, for the data of acquisition to be converted to wireless signal；
Signal processing module, is connected with wireless transport module, for denoising or mode conversion, by signal enhancing；
Wireless transport module, sends a signal to wireless receiving module；
Image conversion module, is connected with wireless receiving module, for converting a signal into image.
The display module includes LCD MODULE and light-emitting diode display module, is connected with image conversion module；
The real-time pictures that the LCD MODULE is sent by image conversion module, user is showed with image format；
The light-emitting diode display module then shows the scope and different periods of sunlight intensity by different colors, segmentation
Sunlight angle information and weather condition information.
2. multi-functional photo-voltaic power generation station real-time monitoring system as claimed in claim 1, it is characterised in that the photovoltaic generating module
It is provided with control module, steering mechanism, solar energy acquisition module, controller, energy storage module, inverter；The control module connects
Steering mechanism, steering mechanism of institute connection solar energy acquisition module are met, the solar energy acquisition module connects controller, the control
Device connects energy storage module, and the energy storage module connects inverter；The solar energy acquisition module is provided with solar panels, described turn
Mechanism is provided with base, lower floor's platform, upper platform, the first driving motor, the first slowdown module, the second driving motor, the
Two slowdown modules, swing arm, solar panel fixed frame, the control module are provided with microcontroller, timing chip, driving stepper motor
Chip；
The solar panels are shelved on solar panel fixed frame,
Lower floor's platform is connected to base top, and the first driving motor connects the first slowdown module, and the first slowdown module is fixed
On lower floor's platform, upper platform is connected to the first slowdown module top, and the second driving motor connects the second slowdown module, and second
Slowdown module is fixed on upper platform, and the swing arm is connected on the second slowdown module, and solar panel fixed frame is connected to pendulum
On arm, the control module, controller, energy storage module, inverter are respectively positioned on base.
3. multi-functional photo-voltaic power generation station real-time monitoring system as claimed in claim 2, it is characterised in that the first deceleration mould
Block, the second slowdown module are turbine and worm retarder；First driving motor, the second driving motor are two-phase hybrid stepping
Motor.
The control module is provided with microcontroller, timing chip, stepper motor driver chip, timing chip, driving stepper motor
Chip is connected with microcontroller.
4. multi-functional photo-voltaic power generation station real-time monitoring system as claimed in claim 3, it is characterised in that the microcontroller is provided with
Pin, reprogrammable memory, programmable I/O lines, timer/counter, programmable full duplex serial-port, in piece when
Clock oscillator is simultaneously integrated on microcontroller；
Timing chip is provided with the address register for automatically generating increment, the oscillator with the capacitance being internally integrated, to real-time
Clock RTC provides source Clock dividers, programmable clock out circuit, timer, alarm, brown-out detector and I2C buses
Interface；
The pin includes oscillator input and output pin, interrupt signal output pin, positive supply and ground wire pin, serial data
Line, serial clock signal line, clock signal output pin.
5. multi-functional photo-voltaic power generation station real-time monitoring system as claimed in claim 3, it is characterised in that the driving stepper motor
Chip is stepping motor drive integrated circuit, and stepper motor driver chip is by ring distributor, signal processor, promotion level, work(
Rate amplifier is formed and is integrated on stepping motor drive integrated circuit.
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| CN201711012848.6A CN107991918A (en) | 2017-10-26 | 2017-10-26 | A kind of multi-functional photo-voltaic power generation station real-time monitoring system |
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| CN201711012848.6A CN107991918A (en) | 2017-10-26 | 2017-10-26 | A kind of multi-functional photo-voltaic power generation station real-time monitoring system |
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ID=62031144
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Cited By (1)
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Application publication date: 20180504 |