CN201278601Y - Intelligent management system for district road lamp - Google Patents

Abstract

An intelligent management system for street lamps in a residential area, which is characterized in that it has a clock timing setting circuit and a light detection circuit. The clock timing setting circuit is composed of a group of light touch keys. The soft AND gate control of the clock timing setting circuit and the light detection circuit is realized through the single-chip microcomputer control software. The output end of the single-chip microcomputer is connected with the liquid crystal display screen and the switch tube connected to the relay coil, the normally open contact of the relay is connected with the coil of the power contactor, and the normally open contact of the power contactor is connected with the input and output terminals of the live line of the street lights in the community. The single-chip microcomputer software drives the liquid crystal display screen to work, and its beneficial effects are convenient management and energy-saving effects, and its structure is simple and easy to popularize. When the two conditions of the clock timing setting circuit and the light detection circuit are all fulfilled, the circuit can be controlled to turn on or off the lighting street lamp, which is more reliable than a single clock timing setting circuit or a single light detection circuit.

Description

An Intelligent Management System for Residential Street Lamps

technical field

The utility model relates to a street lamp management system, in particular to an intelligent management system for street lamps in a community.

Background technique

The street lights in the community are usually turned on and off by the management personnel. Because it cannot be turned on and off in time, it affects the normal use of street lamps, and because it cannot be turned on in time, it brings inconvenience to the life of the community.

Contents of the invention

The purpose of the utility model is to provide an intelligent management system for residential street lamps.

The technical solution adopted by the utility model to solve its technical problems is: it has a clock timing setting circuit and a light detection circuit, the clock timing setting circuit is composed of a group of light touch keys, and the light detection circuit is composed of a photosensitive resistor and a switch tube, and respectively connected with The input terminals of the single-chip microcomputer are connected, and the soft-AND control of the clock timing setting circuit and the light detection circuit is realized through the single-chip microcomputer control software; Clear key, one end of the light touch key is connected to the input terminal of the single-chip microcomputer, and connected to the positive pole of the power supply through a resistor, and its common terminal is grounded; the light detection circuit is composed of a photosensitive resistor and a switch tube, and the output terminal of the light detection circuit is connected to the input terminal of the single-chip microcomputer. The output terminal of the single chip microcomputer is connected with the liquid crystal display and the switch tube connected to the relay coil, the input terminal of the switch tube is connected with the output terminal of the single chip microcomputer, the output terminal of the switch tube is connected with the relay coil, and the normally open The contact is connected to the coil of the power contactor, and the normally open contact of the power contactor is connected to the inlet and outlet of the live line of the street lamp in the community. The single-chip software drives the LCD screen to work, and the clock timing setting circuit and light detection circuit are realized through the single-chip microcomputer and door control software. Only when the two conditions are realized can the control circuit turn on and turn off the lighting street lamp, that is, realize the soft AND gate control of the clock timing setting circuit and the light detection circuit.

The beneficial effect of the utility model is to achieve the effects of convenient management and energy saving, and the utility model has a simple structure and is easy to popularize. Only when the two conditions in the clock timing setting circuit and the light detection circuit are all realized can the control circuit turn on or turn off the lighting street lamp, which is more reliable than a single clock timing setting circuit or a single light detection circuit.

Description of drawings

Below by accompanying drawing, the utility model will be further described.

Accompanying drawing 1 is the electrical schematic diagram of the utility model.

Detailed ways

See Figure 1. The single-chip microcomputer adopts PIC16C57 eight-bit single-chip microcomputer.

It has a clock timing setting circuit and a light detection circuit. The clock timing setting circuit is composed of a group of light touch keys. The light detection circuit is composed of a photoresistor and a switch tube, which are respectively connected to the input terminals of the single-chip microcomputer. The clock timing setting is realized through the single-chip microcomputer control software. The soft AND gate control of the circuit and the light detection circuit; the light touch key of the clock timing setting circuit includes a clock setting key, a street light on time setting key, a street light off time setting key and a reset key, and one end of the light touch key is connected to the input end of the single chip microcomputer connected, and connected to the positive pole of the power supply through a resistor, and its common terminal is grounded; the light detection circuit is composed of a photoresistor and a switch tube, and the output end of the light detection circuit is connected to the input end of the single-chip microcomputer; the output end of the single-chip microcomputer is connected to the LCD screen and the connection relay The switch tube of the coil is connected, the input end of the switch tube is connected with the output end of the single-chip microcomputer, the output end of the switch tube is connected with the relay coil, the normally open contact of the relay is connected with the power contactor coil, and the power contactor The normally open contact is connected to the incoming and outgoing end of the live line of the street lights in the community, the single-chip software drives the LCD screen to work, and the clock timing setting circuit and the light detection circuit are realized through the single-chip microcomputer and the door control software. , That is to realize the soft AND gate control of the clock timing setting circuit and the light detection circuit.

The light detection circuit in Figure 1 is composed of a photoresistor R and a switch tube G. The output end of the light detection circuit is connected with the input end of the single-chip microcomputer PIC16C57, and the light detection circuit detects the light intensity. In the dark state, the photosensitive resistor R has a high resistance, the base bias voltage of the switch tube G is almost zero, the switch tube G is cut off, the switch tube G outputs a high level to the input terminal of the microcontroller, and the output terminal of the microcontroller outputs a high level, The switch tube connected to the relay coil is turned on, the relay is controlled to pull in, and then the power contactor is controlled to pull in, the normally open contact of the power contactor is closed, and the live wire of the street lamp in the community is connected. Conversely, in the daylight state, the photoresistor R has low resistance, the base bias voltage of the switching tube G turns on the switching tube G, and the switching tube G outputs a low level to the input terminal of the microcontroller.

Claims (1)

1. An intelligent management system for residential street lamps, which is characterized in that it has a clock timing setting circuit and a light detection circuit. The clock timing setting circuit is composed of a group of light touch keys, and the light detection circuit is composed of a photoresistor and a switch tube, and is connected to a single chip microcomputer respectively. The input terminal is connected, the output terminal of the single-chip microcomputer is connected with the liquid crystal display and the switch tube connected to the relay coil, the normally open contact of the relay is connected with the coil of the power contactor, and the normally open contact of the power contactor is connected with the input and output terminals of the live line of the community street lamp .