CN201716597U

CN201716597U - Digital solar automatic tracking controller

Info

Publication number: CN201716597U
Application number: CN2010202430798U
Authority: CN
Inventors: 汪义旺
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2010-06-29
Filing date: 2010-06-29
Publication date: 2011-01-19
Anticipated expiration: 2020-06-29

Abstract

The utility model relates to a digital solar automatic tracking controller, which comprises a power circuit, a display circuit, a key circuit, an illumination detection circuit as well as an MCU control unit, a clock circuit and a driving unit circuit. The clock circuit is used for providing time signals for the MCU control unit, the driving unit circuit is controlled by output signals of the MCU control unit, illumination signals of the illumination detection circuit are input into an MCU detection circuit, key signals of a key input circuit are input to the MCU detection circuit, and the MCU detection circuit inputs signals to the display circuit. The digital solar automatic tracking controller can effectively increase solar utilization ratio and solar automatic tracking control, and can realize automatic switching of single-shaft control and dual-shaft control, thereby being practical, flexible, practical and economical.

Description

Digital solar can automatic tracking controller

Technical field

The utility model relates to a kind of tracker, relates in particular to a kind of digital and can realize the solar energy automatic tracking controller that single shaft and twin shaft switch.

Background technology

Sun power has that reserves are unlimited, ubiquity, utilization cleaning, uses the economic dispatch advantage as a kind of novel energy, but because the sun power space distribution constantly changes, make the efficient of its utilization not high, if it is vertical with sunray that its energy conversion part can remain, it just can collect more sun power in limited usable floor area so.The energy conversion part of solar facilities just must be followed the tracks of the sun if want to keep vertical with sunshine.Solar tracking device is just for the condition that provides is provided.Studies show that, the solar tracking device of having sampled, its energy utilization ratio can improve more than 30%.But existing tracking means adopts the simulation tracing control technology mostly, and the ubiquity control accuracy is not high, and adaptivity is poor, and can not take into account the shortcomings such as automatic tracking Control of single shaft and twin shaft simultaneously, is difficult to satisfy the demand in market.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned shortcoming, a kind of solar energy automatic tracking controller is provided, adopt the high-performance single-chip microcomputer control technology, can improve the control of solar energy utilization ratio and solar automatic tracking effectively, and can realize the automatic switchover that single shaft and twin shaft are controlled, practical flexible, economical and practical.

The technical scheme that the utility model adopted is: a kind of digital solar energy automatic tracking controller, comprise power circuit, display circuit, key circuit, lighting detecting circuit, also include the MCU control module, the clock circuit of time signal is provided to the MCU control module, driver element circuit by the control of MCU control module output signal, the illumination signal of described lighting detecting circuit inputs to the MCU testing circuit, the push button signalling of button inputting circuits inputs to the MCU testing circuit, and MCU testing circuit input signal is to display circuit.

Described driver element circuit also comprises single shaft and twin shaft control module, single shaft and twin shaft switch unit.

Described single shaft and twin shaft control module comprise two direct current motors, connect the relay of control direct current motor rotating, thus the rotation that two direct current motors drive cell panels realize sun power from motion tracking.

When the utility model is worked in the single shaft control mode, MCU detects the illumination input of east-west direction, and make and judge rear drive east-west direction motor movement, during the twin shaft control mode, the MCU timesharing detect thing and four directions, north and south to the illumination input, and corresponding judging, drive thing and north and south motor movement respectively, reach the purpose that twin shaft is followed the trail of, clock circuit can guarantee that controller quit work at night, reduce loss, improve system effectiveness.The utility model can improve solar energy utilization ratio to greatest extent, and accurate sun-tracing is realized the automatic tracking Control of single shaft and twin shaft easily, the cost performance height, and market outlook are good.

Description of drawings

Further specify the utility model below in conjunction with the drawings and specific embodiments.

Fig. 1 is a circuit unit block diagram of the present utility model;

Fig. 2 is an external interface structural representation of the present utility model;

Fig. 3 is the circuit theory diagrams of working power of the present utility model;

Fig. 4 is the circuit theory diagrams of limit switch of the present utility model;

Fig. 5 is the circuit theory diagrams of control output of the present utility model;

Fig. 6 is the schematic diagram of main control circuit part of the present utility model.

Embodiment

Present embodiment circuit system structure and signal trend is as shown in Figure 1: power circuit is the total system power supply; the MCU control module is a main control unit; key circuit and lighting detecting circuit are respectively MCU control module input push button signalling and illumination signal; clock circuit provides clock signal for the MCU control module; MCU control module control start by day; shut down in the single control of MCU control at night, the MCU control module is according to the motor in the illumination signal driving driver element circuit.

When the single shaft control mode is worked, the MCU control module detects the illumination input of east-west direction, and make and judge rear drive east-west direction motor movement, during the twin shaft control mode, the timesharing of MCU control module detect thing and four directions, north and south to the illumination input, and corresponding judging, drive thing and north and south motor movement respectively, reach the purpose that twin shaft is followed the trail of.

Be illustrated in figure 2 as external interface structural representation of the present utility model, for ease of wiring and operation, interface circuit is distributed in the both sides of control panel, mainly comprises IO interface, is used for being connected of button and display circuit, and the programming of program; Sensor and position switch interface mainly connect the exterior light dependent sensor of lighting detecting circuit and the limit switch in four orientation; The control output interface is used for connecting the control motor; Power interface connects working power.

As shown in Figure 3; be control power supply of the present utility model and working power circuit; circuit adopts switching power source chip LM2956 and LM2576 to form; input end is for preventing the power positive cathode reversal connection; adopted rectifier bridge protection input circuit D2; filter capacitor C1, output circuit R2 and adjustable resistance R3, adjustable output voltage value.LM2576 forms 5V working power output circuit.

With reference to Fig. 4, be limit switch place in circuit of the present utility model, circuit is made up of resistance R 13 and R18, output low level when switch motion, on the contrary be high level.The design adopts four corners of the world No. four limit switches to detect power circuit.

With reference to Fig. 5, be Electric Machine Control output circuit schematic diagram of the present utility model, work drive motor is the DC24V direct current generator, by control power supply output polarity, can realize the rotating control of motor.Circuit mainly is made up of relay K 0 (K2) and K1 (K3), the pilot relay action after resistance R 20 and triode Q1 amplification of the control signal of MCU, when positive rotaring signal is exported, relay K 0 (K2) action, output DC+24V, when reverse signal is exported, relay K 1 (K3) action, output DC-24V.Resistance R 21 and R25 are output protection resistance.

With reference to Fig. 6, be main control circuit part schematic diagram of the present utility model, circuit is the main control chip with NEC high-performance single-chip microcomputer 78F9222, and major function all realizes by software, clock chip selects for use RX8025 to adopt storage battery power supply, and feed circuit are made up of D6, D7 and B1.

Claims

1. a digital solar can automatic tracking controller, comprise power circuit, display circuit, key circuit, lighting detecting circuit, it is characterized in that also including the MCU control module, provide the clock circuit of time signal to the MCU control module, by the driver element circuit of MCU control module output signal control, the illumination signal of described lighting detecting circuit inputs to the MCU testing circuit, the push button signalling of button inputting circuits inputs to the MCU testing circuit, and MCU testing circuit input signal is to display circuit.

2. according to the energy of the digital solar described in the claim 1 automatic tracking controller, it is characterized in that described driver element circuit also comprises single shaft and twin shaft control module, single shaft and twin shaft switch unit.

3. according to the energy of the digital solar described in the claim 1 automatic tracking controller, it is characterized in that the MCU control circuit is the main control chip with NEC high-performance single-chip microcomputer 78F9222.