CN207884761U - A kind of solar tracking terminal based on ARM - Google Patents

Abstract

The solar tracking terminal based on ARM that the utility model discloses a kind of, characterized in that including image capture module, main control module, Beidou communication module, motor drive module and solar panel；Described image acquisition module is connect with the ends main control module I/O；The Beidou communication module is connected by serial ports with main control module, and longitude and latitude is obtained；The motor drive module is connected by I/O port with main control module；The motor drive module is connected with solar panel；The main control module is with image capture module through data/address bus.The advantageous effect that the utility model is reached：Using wired and wireless mixed communication mode, have many advantages, such as that portability, at low cost, easy to maintain, automation, intelligence degree are high, it is highly suitable for the real-time tracking to the sun, it has a significant effect for promoting automatic management level, saving manpower and fund, with higher engineering application value and market popularization value, there is very wide application prospect.

Description

A kind of solar tracking terminal based on ARM

Technical field

The solar tracking terminal based on ARM that the utility model is related to a kind of, belongs to communication terminal technology field.

Background technology

The development and utilization of the renewable sources of energy has been to be concerned by more and more people.Solar energy due to its is universal, harmless, unlimited, The features such as permanent, becomes most green, most ideal, most reliable alternative energy source.But solar energy exists simultaneously dispersion, unstable, effect The features such as rate is low.

Solar tracking terminal uses the side being combined depending on daily motion tracking and tracking based on computer vision On the one hand formula carries out initial coarse positioning using regarding daily motion tracking；On the other hand tracking based on computer vision is used Method is accurately tracked.Tracking based on computer vision acquires solar facula using cmos image sensor, utilizes Arm processor handles the image collected, realizes the real-time tracking to the sun.

Utility model content

To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of, and the solar tracking based on ARM is whole End, solar azimuth is perceived using image capture module, enables motor drive module, adjusts angle of solar cell panel, master control Through serial communication between module and Beidou communication module, longitude and latitude is obtained, error parameter and positional parameter are sent in monitoring The heart realizes the high precision tracking to the sun.

In order to realize above-mentioned target, the utility model adopts the following technical scheme：

A kind of solar tracking terminal based on ARM, characterized in that including image capture module, main control module, Beidou communication Module, motor drive module and solar panel；Described image acquisition module Enable Pin control signal VSYNC, HREF and PCLK is connect with the ends main control module I/O, data output end D0~D7 of image capture module and the ends I/O of master control processing module VD0~VD7 connects one to one；The Beidou communication module is connected by serial ports with main control module, and longitude and latitude is obtained；The electricity Machine drive module is connected by I/O port with main control module, for the startup of motor control directional velocity, and obtains motor speed Feedback grasps motor work real-time status；The motor drive module is connected with solar panel；The main control module with Image capture module obtains image data, obtains solar tracking error through data/address bus, enables motor drive module, adjustment is too Positive energy solar panel angle obtains longitude and latitude through serial communication between main control module and Beidou communication module, by error parameter and determines Position parameter is sent to monitoring center.

A kind of solar tracking terminal based on ARM above-mentioned, characterized in that the main control module is microprocessor S3C2440。

A kind of solar tracking terminal based on ARM above-mentioned, characterized in that described image acquisition module acp chip is OV5017。

A kind of solar tracking terminal based on ARM above-mentioned, characterized in that the Beidou communication module is UM220.

A kind of solar tracking terminal based on ARM above-mentioned, characterized in that described image acquisition module, including：OV5017 Chip, first resistor R1, the first to the 7th capacitance, power amplifier P1, wherein：

First analog power tie point (ZVDD) of OV5017 chips connects third capacitance cathode plate, and third capacitance negative plate connects The decoder power connection points (DEVDD) of the analogue ground (ZGND) of OV5017 chips, OV5017 chips are connecing the 4th capacitance just The decoder ground terminal (DEGND) of pole plate, OV5017 chips connects the 4th capacitance negative plate, and the probe power of OV5017 chips connects Contact (SVDD) connects the 5th capacitance cathode plate, and the sensor earth (SGND) of OV5017 chips connects the 5th capacitance negative plate, Digital power (DVDD), the first capacitance cathode of OV5017 chips connect digital power, and the first capacitance cathode connects OV5017 chips Digital grounding end (DGND), numeral output power tie point (OVDD), the second capacitance cathode of OV5017 chips connect number The numeral output ground terminal (OGND) of power supply, OV5017 chips connects the second capacitance negative plate, the second simulation electricity of OV5017 chips Source tie point (AVDD) connects the 6th capacitance cathode plate, and the 6th capacitance negative plate connects the analogue ground (AGND) of OV5017 chips, The internal reference voltage end (VRCR) of OV5017 chips connects the 7th capacitance cathode plate, the 7th capacitance cathode plate earthing, OV5017 cores The composite video output end (AV0) of piece connects power amplifier (P1) by first resistor (R1).

A kind of solar tracking terminal based on ARM above-mentioned, characterized in that, the Beidou communication module, including：UM220 Chip, first to third capacitance, the first battery, wherein：

First capacitance (C1) anode connects+5V power supplys, and the first capacitance (C1) cathode meets GND, and the second capacitance (C11) anode connects UM220 chip VCC power ends, the second capacitance (C11) cathode meet GND, and third capacitance (C15) anode meets UM220 chips GNSS_ The ends ANT, third capacitance (C15) cathode meet SMA, and the first battery (BT2) cathode meets GND, and the first battery (BT2) anode meets UM220 The ends chip VBAT.

The advantageous effect that the utility model is reached：The present apparatus has merged electronic integration technology, serial communication, Big Dipper positioning The real-time watch device of the fields such as technology state-of-the-art technology has portability, cost using wired and wireless mixed communication mode Low, easy to maintain, automation, the advantages that intelligence degree is high, it is highly suitable for the real-time tracking to the sun, it is automatic for being promoted Change management level, saving manpower and fund to have a significant effect, there is higher engineering application value and market popularization value, There is very wide application prospect.

Description of the drawings

Fig. 1 is solar tracking terminal structure block diagram of the utility model based on ARM；

Fig. 2 is main control module circuit diagram；

Fig. 3 is Beidou communication module circuit diagram；

Fig. 4 is image capture module circuit diagram；

Fig. 5 is motor drive module circuit diagram, and wherein Fig. 5-1 is that LJ245A bi-directional transceivers control biography by DIR pins The circuit diagram in defeated direction；Fig. 5-2 is the circuit diagram that ISP624-4 optocouplers realize multiple signals Phototube Coupling.

Specific implementation mode

The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.

Circuit block diagram is shown in that Fig. 1, main control module enable image capture module image collecting function, receive by controlling signal From image capture module image parameter, being calculated through ARM and obtain solar tracking error, driving motor adjusts solar panel, And the terminal present position longitude and latitude parameter is obtained from Beidou communication module by serial ports, positional parameter and result of calculation are sent To monitoring center.

Main control module is shown in Fig. 2, its working principle is that：Acp chip is S3C2440, and ARM920T kernels, it includes 3 channels The resources such as UART, 2 channel SPI, iic bus, IIS/AC97 Audio Controllers, SD/MMC controllers, 2 channel USB.S3C2440 Positional parameter is obtained by serial communication, and obtains the sun image data of image capture module by data/address bus, calculating obtains Solar tracking error is taken, angle of solar cell panel is adjusted by motor drive module, realizes real-time solar tracking, while master control Module will get parms and result of calculation is sent to monitoring center.

Beidou communication module, is shown in Fig. 3, its working principle is that：Acp chip is UM220, it is to lead to dual system height with core star Performance GNSS module can support BD2B1, GPS L1 two frequency bins simultaneously.UM220 appearance and sizes are compact, using SMT pads, Support standard picks and places and reflow soldering full-automation is integrated, is particularly suitable for low cost, low-power consumption field.

Beidou communication module is connected by serial ports with main control module, receives main control module instruction, positional parameter is sent to Main control module.

Image capture module is shown in Fig. 4, its working principle is that：Image capture module is that acp chip is OV5017, OV5017 The black and white digital camera chip that be OmniVision companies produce using its CMOS core technologies, it is by cmos sensor technology It combines closely with digital interface easy to use.After reading image module controlling bus is enabled by main control module, by the figure of acquisition Picture data carry out A/D conversions with 50fps, control signal VSYNC, HREF and PCLK are sent to main control module, address bus is A0~A3 is sent through data/address bus D0~D7 in eight bit image data to main control module SDRAM.

Motor drive module is shown in Fig. 5-1 and Fig. 5-1, its working principle is that：LJ245A is the two-way of a dual power supply Transceiver, by DIR pin controlling transmissions direction, ISP624-4 optocouplers realize multiple signals Phototube Coupling.Motor drive module It receives and adjusts the angle instruction from main control module, realize motor drive direction control, and obtain motor feedback parameter.

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, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change The scope of protection of the utility model is also should be regarded as into deformation.

Claims (6)

1. a kind of solar tracking terminal based on ARM, characterized in that including image capture module, main control module, Beidou communication mould Block, motor drive module and solar panel；

Enable Pin control signal VSYNC, HREF and PCLK of described image acquisition module are connect with the ends main control module I/O, image Data output end D0~D7 of acquisition module and the ends I/O VD0~VD7 of master control processing module connect one to one；

The Beidou communication module is connected by serial ports with main control module, and longitude and latitude is obtained；

The motor drive module is connected by I/O port with main control module, for the startup of motor control directional velocity, and is obtained Motor speed feedback is taken, motor work real-time status is grasped；The motor drive module is connected with solar panel；

The main control module, through data/address bus, obtains image data, obtains solar tracking error, enable electricity with image capture module Machine drive module adjusts angle of solar cell panel, through serial communication between main control module and Beidou communication module, obtains longitude and latitude Degree, monitoring center is sent to by error parameter and positional parameter.

2. a kind of solar tracking terminal based on ARM according to claim 1, characterized in that the main control module is micro- Processor S3C2440.

3. a kind of solar tracking terminal based on ARM according to claim 1, characterized in that described image acquisition module Acp chip is OV5017.

4. a kind of solar tracking terminal based on ARM according to claim 1, characterized in that the Beidou communication module For UM220.

5. a kind of solar tracking terminal based on ARM according to claim 3, characterized in that described image acquisition module, Including：OV5017 chips, first resistor R1, the first to the 7th capacitance, power amplifier P1, wherein：

First analog power tie point (ZVDD) of OV5017 chips connects third capacitance cathode plate, and third capacitance negative plate connects The decoder power connection points (DEVDD) of the analogue ground (ZGND) of OV5017 chips, OV5017 chips are connecing the 4th capacitance just The decoder ground terminal (DEGND) of pole plate, OV5017 chips connects the 4th capacitance negative plate, and the probe power of OV5017 chips connects Contact (SVDD) connects the 5th capacitance cathode plate, and the sensor earth (SGND) of OV5017 chips connects the 5th capacitance negative plate, Digital power (DVDD), the first capacitance cathode of OV5017 chips connect digital power, and the first capacitance cathode connects OV5017 chips Digital grounding end (DGND), numeral output power tie point (OVDD), the second capacitance cathode of OV5017 chips connect number The numeral output ground terminal (OGND) of power supply, OV5017 chips connects the second capacitance negative plate, the second simulation electricity of OV5017 chips Source tie point (AVDD) connects the 6th capacitance cathode plate, and the 6th capacitance negative plate connects the analogue ground (AGND) of OV5017 chips, The internal reference voltage end (VRCR) of OV5017 chips connects the 7th capacitance cathode plate, the 7th capacitance cathode plate earthing, OV5017 cores The composite video output end (AV0) of piece connects power amplifier (P1) by first resistor (R1).

6. a kind of solar tracking terminal based on ARM according to claim 4, characterized in that the Beidou communication module, Including：UM220 chips, first to third capacitance, the first battery, wherein：

First capacitance (C1) anode connects+5V power supplys, and the first capacitance (C1) cathode meets GND, and the second capacitance (C11) anode meets UM220 Chip VCC power ends, the second capacitance (C11) cathode meet GND, and third capacitance (C15) anode connects the ends UM220 chip GNSS_ANT, Third capacitance (C15) cathode meets SMA, and the first battery (BT2) cathode meets GND, and the first battery (BT2) anode connects UM220 chips The ends VBAT.