CN1725926A - Network intelligent precision monitoring system for urban streetlight - Google Patents

Abstract

A system for monitoring city road lamp in intelligent and way with network is prepared as communicating management centre controller to intelligent monitoring terminal distributed each where through GSM communication net or GPRS data communication network, connecting one end of said terminal to AC contactor in road lamp power supply line for controlling on and off of AC controller and for monitoring state of AC controller. By utilizing the system, road lamp management centre can monitor and manage road lamp through mobile communication or radio data transmission way.

Description

Network intelligent precision monitoring system for urban streetlight

Technical field:

The present invention relates to a kind of supervisory control system of city street lamp.

Background technology:

At present, along with the continuous expansion of urban size, municipal sector is increasing to the management difficulty of street lamp in street and the sub-district.The quantity of street lamp is increasing on the one hand, and the zone of street lamp distribution is also more and more wide on the other hand, and increases the management funds that the management unit of being operated by the people certainly will increase municipal sector.Now, mobile communication technology (GSM) and wireless data transmission technology (GPRS) are very universal, these two kinds of communication modes have the restriction that is not subjected to communication distance and realize the advantage that the multi-user distinguishes easily, for the remote monitoring of city street lamp provides technical foundation.Therefore utilize GSM or GPRS to set up management, the monitor network of street lamp, both saved manpower, convenient again management.But also do not utilize the device of GSM and GPRS Long-distance Control street lamp now.

Summary of the invention:

The purpose of this invention is to provide a kind of network intelligent precision monitoring system for urban streetlight, to solve the problem that present street lamp is difficult to realize long-range accurate monitoring.It comprises the A.C. contactor 5 of administrative center's controller 1, gsm communication net or GPRS data communication network 3, several intelligent monitoring terminals 2 and respective numbers, administrative center's controller 1 is by gsm communication net or GPRS data communication network 3 and intelligent monitoring terminal 2 communications that are dispersed in everywhere, and port of intelligent monitoring terminal 2 is connected with the break-make of controlling A.C. contactor 5 and the state that monitors A.C. contactor 5 with the A.C. contactor 5 in being connected the street lamp power supply, road lamp power supply circuit.During system works of the present invention, each intelligent monitoring terminal 2 is arranged on a sub-district or a street place, control a plurality of street lamps bright at this place or go out or adjust the brightness of light by it, long-range bidirectional data transfers by gsm communication net or 3 realizations of GPRS data communication network and administrative center's controller 1, realize the Long-distance Control of road lamp management center to intelligent monitoring terminal 2, information updating, status poll and fault inquiry etc., thereby system not only can be according to the street lamp make-and-break time or the light modulation time of administrative center's controller 1 long-range setting, the break-make of control A.C. contactor 5, and then control whole street street lamp bright or go out or adjust the brightness of light, can also be uploaded to administrative center's controller 1 to the existing on-off state of A.C. contactor by gsm communication net or GPRS data communication network 3, make the road lamp management center can understand the state of A.C. contactor easily.After the street lamp in city adopted technical scheme of the present invention, public lighting circuit at a distance can be managed, be monitored in the road lamp management center by mobile communication or wireless data transmission mode, saved electric energy when improving lighting quality, saved the man power and material.Reasonable in design, the reliable operation of the present invention has bigger promotional value.

Description of drawings:

Fig. 1 is a structural representation of the present invention, and Fig. 2 is the structural representation of intelligent monitoring terminal 2 in the execution mode one, and Fig. 3 is the structural representation of execution mode four, and Fig. 4 is the structural representation of execution mode five.

Embodiment:

Embodiment one: specify present embodiment below in conjunction with Fig. 1 and Fig. 2.Present embodiment is made up of the A.C. contactor 5 of administrative center's controller 1, gsm communication net or GPRS data communication network 3, several intelligent monitoring terminals 2 and respective numbers, administrative center's controller 1 is by gsm communication net or GPRS data communication network 3 and intelligent monitoring terminal 2 communications that are dispersed in everywhere, and port of intelligent monitoring terminal 2 is connected with the break-make of controlling A.C. contactor 5 and the state that monitors A.C. contactor 5 with the A.C. contactor 5 in being connected the street lamp power supply, road lamp power supply circuit.Intelligent monitoring terminal 2 is by GSM data transmit-receive module or GPRS data transmit-receive module 2-1, transceiver 2-2, MCU controller 2-3, A.C. contactor folding drive circuit 2-4, A.C. contactor folding condition testing circuit 2-5 and daylight luminance detection circuit 2-6 form, the communication ends of GSM data transmit-receive module or GPRS data transmit-receive module 2-1 connects the end of transceiver 2-2, the other end of transceiver 2-2 connects the communication ends of MCU controller 2-3, the input of MCU controller 2-3 connects the output of daylight luminance detection circuit 2-6, another input of MCU controller 2-3 connects the output of A.C. contactor folding condition testing circuit 2-5, and the output of MCU controller 2-3 connects the input of A.C. contactor folding drive circuit 2-4.Daylight luminance detection circuit 2-6 can provide the switching value signal of outdoor light power, thereby terminal of the present invention can be finished automatically under the special weather condition, turns on light or turn off the light according to the result of daylight luminance detection circuit 2-6.A.C. contactor folding condition testing circuit 2-5 is uploaded to administrative center's controller 1 to the current state of A.C. contactor by GSM data transmit-receive module or GPRS data transmit-receive module 2-1, makes administrative center's controller 1 can understand the situation of A.C. contactor 5 easily.

Embodiment two: specify present embodiment below in conjunction with Fig. 1.Present embodiment with the difference of execution mode one is: other communication port of intelligent monitoring terminal 2 is connected the communication port of the single lamp monitoring device 4 of some respectively, and another port of each single lamp monitoring device 4 is connected with the break-make of control relay 6 and the state of supervisory relay 6 with relay 6 in being connected the street lamp power supply, road lamp power supply circuit.So be provided with, intelligent monitoring terminal 2 of the present invention by be arranged on each street lamp 7 on single lamp monitoring device 4 communicate by letter, realize truly single lamp control and fault detect, accurately calculate bright lamp rate parameter, realize carrying out the automatic control of multi-period susceptible scape pattern (interval of street lamp is bright or go out and the brightness of street lamp) according to time control strategy table.Other composition is identical with execution mode one with connected mode.

Embodiment three: specify present embodiment below in conjunction with Fig. 1.Present embodiment with the difference of execution mode two is: intelligent monitoring terminal 2 is communicated by letter with single lamp monitoring device 4 by 485 buses.Other composition is identical with execution mode one with connected mode.So setting, owing to utilized the mode of 485 bus communications, simple in structure, the information transmission is specially adapted in the tunnel and the interior closer occasion of lamp bank cloth distance that waits of agricultural greenhouse accurately, fast.

Embodiment four: specify present embodiment below in conjunction with Fig. 3.Present embodiment with the difference of execution mode three is: intelligent monitoring terminal 2 is communicated by letter with single lamp monitoring device 4 by power line carrier, PLC circuit 8, power line carrier, PLC circuit 8 is by one number service letter interface circuit 8-1, street lamp power supply, road lamp power supply circuit 8-2 and two signal communication interface circuit 8-3 form, the communication port of intelligent monitoring terminal 2 connects the communication port of one number service letter interface circuit 8-1, another communication port of one number service letter interface circuit 8-1 connects the communication port of two signal communication interface circuit 8-3 by street lamp power supply, road lamp power supply circuit 8-2, and another communication port of two signal communication interface circuit 8-3 connects the communication port of single lamp monitoring device 4.Other composition is identical with execution mode one with connected mode.Street lamp power supply, road lamp power supply circuit 8-2 in the present embodiment both provided power supply to street lamp, as the circuit of communication, therefore invested less again.

Embodiment five: specify present embodiment below in conjunction with Fig. 4.The difference of present embodiment and execution mode four is: one number service letter interface circuit 8-1 is by central controller 8-1-1, modulator/demodulator 8-1-2, resonance filter 8-1-3, coupling transformer 8-1-5 and high pass filter 8-1-6 form, the input RX of central controller 8-1-1 connects the output serial ports of intelligent monitoring terminal 2 communication port to receive serial data, the input serial ports that the output TX of central controller 8-1-1 connects intelligent monitoring terminal 2 communication port transmits serial data to it, another communication ends of central controller 8-1-1 connects the end of modulator/demodulator 8-1-2, the other end of modulator/demodulator 8-1-2 connects the end of resonance filter 8-1-3, the other end of resonance filter 8-1-3 is connected on the two ends of one side coil of coupling transformer 8-1-5, and the two ends of the another side coil of coupling transformer 8-1-5 connect the end of high pass filter 8-1-6.During present embodiment work, the other end of high pass filter 8-1-6 is connected on the street lamp power supply, road lamp power supply circuit 8-2, and one number service letter interface circuit 8-1 adopts the modulation system of FSK.The model that central controller 8-1-1 and modulator/demodulator 8-1-2 select for use meaning method electrical equipment company to make is the module of ST7538.High pass filter 8-1-6 mainly filters the signal of the odd multiple number of frequency of power frequency component and power frequency component, and resonance filter 8-1-3 filters the signal beyond 66 ± 5KHZ.

Claims (6)

1, network intelligent precision monitoring system for urban streetlight, it is characterized in that it comprises administrative center's controller (1), gsm communication net or GPRS data communication network (3), the A.C. contactor (5) of several intelligent monitoring terminals (2) and respective numbers, administrative center's controller (1) is by gsm communication net or GPRS data communication network (3) and intelligent monitoring terminal (2) communication that is dispersed in everywhere, and port of intelligent monitoring terminal (2) is connected with the break-make of controlling A.C. contactor (5) and the state that monitors A.C. contactor (5) with the A.C. contactor (5) in being connected the street lamp power supply, road lamp power supply circuit.

2, network intelligent precision monitoring system for urban streetlight according to claim 1, it is characterized in that intelligent monitoring terminal (2) is by GSM data transmit-receive module or GPRS data transmit-receive module (2-1), transceiver (2-2), MCU controller (2-3), A.C. contactor folding drive circuit (2-4), A.C. contactor folding condition testing circuit (2-5) and daylight luminance detection circuit (2-6) are formed, a communication ends of GSM data transmit-receive module or GPRS data transmit-receive module (2-1) connects an end of transceiver (2-2), the other end of transceiver (2-2) connects a communication ends of MCU controller (2-3), an input of MCU controller (2-3) connects the output of daylight luminance detection circuit (2-6), another input of MCU controller (2-3) connects the output of A.C. contactor folding condition testing circuit (2-5), and the output of MCU controller (2-3) connects the input of A.C. contactor folding drive circuit (2-4).

3, network intelligent precision monitoring system for urban streetlight according to claim 1, it is characterized in that other communication port of intelligent monitoring terminal (2) connects the communication port of single lamp monitoring device (4) respectively, another port of each single lamp monitoring device (4) is connected with the break-make of control relay (6) and the state of supervisory relay (6) with relay (6) in being connected the street lamp power supply, road lamp power supply circuit.

4, network intelligent precision monitoring system for urban streetlight according to claim 3 is characterized in that intelligent monitoring terminal (2) passes through 485 buses and communicates by letter with single lamp monitoring device (4).

5, network intelligent precision monitoring system for urban streetlight according to claim 3, it is characterized in that intelligent monitoring terminal (2) passes through power line carrier, PLC circuit (8) and communicates by letter with single lamp monitoring device (4), power line carrier, PLC circuit (8) is by one number service letter interface circuit (8-1), street lamp power supply, road lamp power supply circuit (8-2) and two signal communication interface circuits (8-3) are formed, the communication port of intelligent monitoring terminal (2) connects a communication port of one number service letter interface circuit (8-1), another communication port of one number service letter interface circuit (8-1) is by a communication port of street lamp power supply, road lamp power supply circuit (8-2) connection two signal communication interface circuits (8-3), and another communication port of two signal communication interface circuits (8-3) connects the communication port of single lamp monitoring device (4).

6, network intelligent precision monitoring system for urban streetlight according to claim 5, it is characterized in that one number service letter interface circuit (8-1) is by central controller (8-1-1), modulator/demodulator (8-1-2), resonance filter (8-1-3), coupling transformer (8-1-5) and high pass filter (8-1-6) are formed, the input (RX) of central controller (8-1-1) connects the output serial ports of intelligent monitoring terminal (2) communication port to receive serial data, the input serial ports that the output (TX) of central controller (8-1-1) connects intelligent monitoring terminal (2) communication port transmits serial data to it, another communication ends of central controller (8-1-1) connects an end of modulator/demodulator (8-1-2), the other end of modulator/demodulator (8-1-2) connects an end of resonance filter (8-1-3), the other end of resonance filter (8-1-3) is connected on the two ends of one side coil of coupling transformer (8-1-5), and the two ends of the another side coil of coupling transformer (8-1-5) connect an end of high pass filters (8-1-6).

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