CN201854478U

CN201854478U - Street lamp control circuit for controlling any node based on digital technology

Info

Publication number: CN201854478U
Application number: CN2010205569868U
Authority: CN
Inventors: 李彬林
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-07
Filing date: 2010-10-07
Publication date: 2011-06-01
Anticipated expiration: 2020-10-07

Abstract

The utility model relates to a street lamp control circuit for controlling any node based on digital technology, which consists of a temperature/humidity measuring and controlling module, a line state detecting module, a controller, an electric energy metering module, an AC (alternating current) contactor driving module, a backup power supply and monitoring module, a clock module, a control strategy module, a GSM (global system for mobile communications) module and a power carrier module. The output end of the backup power supply and monitoring module is connected with the GSM module, and a signal is output to the AC contactor driving module; an internal program of the controller controls the AC contactor driving module and the clock module, and realizes bidirectional signal transmission with the temperature/humidity measuring and controlling module, the line state detecting module, the electric energy metering module and the backup power supply and monitoring module; a full-digital electronic ballast is adopted and the power carrier module is utilized to realize information communication between nodes of a street lamp and between the nodes of the street lamp and the controller; and the controller adopts a double-CPU (central processing unit) structure, is mainly used for controlling the normal running of a daily system and can realize automatic and bidirectional data transferring through the GSM module.

Description

Control the streetlight control circuit of any node based on digital technology

Technical field

The utility model relates to the street lamp protective device, particularly a kind of streetlight control circuit of controlling any node based on digital technology.

Background technology

Along with development of times, the urban modernization pace of construction is constantly accelerated, and is also bigger to city illumination and city lighting engineering demand, and the imbalance between supply and demand of the energy is also more and more outstanding, and the requirement of electricity saving and energy saving, green illumination is more and more urgent, and is more and more higher.Now adopt the method for those traditional manual controls, clock urban lighting system can not meet the demands again, how to make full use of high-tech means solve above-mentioned contradiction also just become when one in front lit control field new with critical problem, city illumination automation control and intelligent management are as one of sign of urban modernization, the economic and social benefit that it brings is very significant, and its popularization and enforcement also will be important contents in the municipal engineering construction.Along with digital technology and development of internet technology, public illumination digitlization and networking have become a kind of inexorable trend, energy savings, assurance lamp life, raising illumination supervision level, beautifying city amount at night and assurance city night trip safety etc. have become a basic demand to public lighting system.

The utility model content

The purpose of this utility model provides a kind of digital public lighting system, any monitoring of long-range single street-lamp node control the streetlight control circuit of any node based on digital technology.

The technical scheme that the utility model adopted is such: a kind of streetlight control circuit of controlling any node based on digital technology, by temperature/humidity control module, the line status detection module, controller, the electric energy metrical module, the A.C. contactor driver module, back-up source and monitoring module, clock module, the control strategy module, gsm module, the power carrier module constitutes, the output of described back-up source and monitoring module connects gsm module, signal outputs to the A.C. contactor driver module, described controller internal processes control A.C. contactor driver module and clock module, and with temperature/humidity control module, the line status detection module, the electric energy metrical module, back-up source and monitoring module, the control strategy module, gsm module, the power carrier module connects, and realizes the two-way signaling transmission.

Described controller comprises master controller and slave controller, and described master controller adopts the RISC single-chip microcomputer PIC16F877 of 8 A/D of 8KBFlash multichannel, and slave controller adopts the RISC single-chip microcomputer PIC16F873 of 8 A/D of 4KBFlash multichannel.

Described clock module adopts the DS1302 clock chip of I2C serial communication.

Described gsm module is made up of data acquisition module, Data Receiving and sending module, terminal processing module, the MSC1210 data acquisition module deposits the temperature data that collects in the memory in, Data Receiving and sending module adopt the mode of shared by two singlechips E2RPOM, data are read from E2PRROM, and by the GSM network data are sent through gsm module 2, when terminal processing module need be to gsm module 2 transmitting control commands, gsm module 2 receiving courses are just in time opposite with said process, thereby realize the automatic bidirectional transmission of data.

Described power carrier module adopts the modulator-demodulator of ST7536 as power line carrier, PLC, ST7536 is by sending output ATO and receiving analog input RAI and control pin RX/TX, RX/TX Digital Signals transmitting-receiving conversion, its output signal modulates the signal on the power line by coupling circuit then through bandpass filtering and pre-the amplification.

By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: each street-lamp node adopts totally digitilized electric ballast, can realize the output of 0%, 50%, 80%, 100% power, comprise a power line carrier, PLC module in each street-lamp node, utilize the power carrier module to realize between the street-lamp node and information communication between street-lamp node and the cohort controller, controller adopts dual-cpu structure, be responsible for the normal operation control of daily system, and realize the automatic bidirectional transmission of data by gsm module.

Description of drawings

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

Fig. 1 is a frame structure schematic diagram of the present utility model;

Fig. 2 is a gsm module system diagram of the present utility model;

Fig. 3 is power carrier module power line interface figure of the present utility model.

Embodiment

As shown in Figure 1, a kind of streetlight control circuit of controlling any node based on digital technology, by temperature/humidity control module 1, line status detection module 2, controller 3, electric energy metrical module 4, A.C. contactor driver module 5, back-up source and monitoring module 6, clock module 7, control strategy module 8, gsm module 9, power carrier module 10 constitutes, the output of described back-up source and monitoring module 6 connects gsm module 9, signal outputs to A.C. contactor driver module 5, described controller 3 internal processes control A.C. contactor driver module 5 and clock module 7, and with temperature/humidity control module 1, line status detection module 2, electric energy metrical module 4, back-up source and monitoring module 6, control strategy module 8, gsm module 9, power carrier module 10 connects, and realizes the two-way signaling transmission.

Described controller 3 comprises master controller and slave controller, and described master controller adopts the RI SC single-chip microcomputer PIC16F877 of 8 A/D of 8KBFlash multichannel, and slave controller adopts the RISC single-chip microcomputer PIC16F873 of 8 A/D of 4KBFlash multichannel.

Described clock module 7 adopts the DS1302 clock chip of I2C serial communication, for system provides real-time clock, the DS1302 clock chip is a kind of part power supply of preparing and carrying, have the high-performance of I2C serial communication function, 8 pin clock chips of low-power consumption, provide second, branch, the time, day, week, the moon, calendar function.The I2C universal serial bus SCL of DS1302 clock chip and SDA need a pull-up resistor respectively, host microcontroller PIC16F877 adopts Hardware I 2C interface (RC3/SCL and RC4/SDA) to communicate by letter with DS1302, controller is with control strategy timetable Table1 every day, time division in season table Table2, season control strategy timetable Table3 and the control time festivals or holidays table Table4 capacity of being stored in is 8KB, support the I2C serial communication of two lines, among 1000000 erasable E2PROM 24C64, host microcontroller PIC16F877 adopts 2 common I/O mouths (RD1 and RD2) Simulation with I 2C universal serial bus, promptly realize software I 2C bus interface, controller according to read calendar information and temporal information, contrast various control strategy timetables, issue switch lamp and brightness adjustment control instruction.

As shown in Figure 2, described gsm module 9 is by data acquisition module, Data Receiving and sending module, terminal processing module is formed, the MSC1210 data acquisition module deposits the temperature data that collects in the memory in, Data Receiving and sending module adopt the mode of shared by two singlechips E2RPOM, data are read from E2PRROM, and by the GSM network data are sent through gsm module 2, single-chip microcomputer 1 is the transmission of control data not only, the also reception of control data, E2PROM is the terminal that data are stored temporarily and uploaded, terminal processing module is responsible for giving Computer Processing with the data that receive, and the result after will handling is stored in the database, for inquiry, when terminal processing module need be to gsm module 2 transmitting control commands, gsm module 2 receiving courses were just in time opposite with said process, thereby realize the automatic bidirectional transmission of data, three modules are separate in the system, interdepend again each other, finish the transmission of data jointly.Data transmit-receive module plays a part to form a connecting link in system, is the nucleus module of system.This module is core with the double mcu, with the RS232 communication interface, realizes on physical layer and being connected of gsm module.

As shown in Figure 3, described power carrier module 10 adopts the modulator-demodulator of ST7536 as power line carrier, PLC, little from the signal amplitude of ST7536 output, driving force is weak and also have various harmonic waves, therefore must be through amplifying and filtering, could modulate the signal on the power line by coupling circuit then, ST7536 is by sending output ATO and receiving analog input RAI and control pin RX/TX, RX/TX Digital Signals transmitting-receiving conversion, send output ATO, link to each other with the transmission input of power line interface, simulation sends output and is adjusted by automatic grade control input circuit, the peak-to-peak value of maximum output voltage is 6.5V, the reception output that receives analog input RAI and power line interface links to each other, the root-mean-square value of maximum input voltage is 2V, RX/TX control pin by control ST7536, make carrier circuit be in accepting state, between live wire and zero line, add 72KHz, 0.3V sinusoidal signal, waveform with oscilloscope observation ST753624 pin, normally should be 72KHz, 1.5 ± 0.5V, C35-C37 is adjusted in frequency shift (FS), every increase 1nF, centre frequency decline 2.4KHz.

More than show and described basic principle of the present utility model and principal character and advantage thereof; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the explanation just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. streetlight control circuit of controlling any node based on digital technology, it is characterized in that: by temperature/humidity control module (1), line status detection module (2), controller (3), electric energy metrical module (4), A.C. contactor driver module (5), back-up source and monitoring module (6), clock module (7), control strategy module (8), gsm module (9), power carrier module (10) constitutes, the output of described back-up source and monitoring module (6) connects gsm module (9), signal outputs to A.C. contactor driver module (5), described controller (3) internal processes control A.C. contactor driver module (5) and clock module (7), and with temperature/humidity control module (1), line status detection module (2), electric energy metrical module (4), back-up source and monitoring module (6), control strategy module (8), gsm module (9), power carrier module (10) connects, and realizes the two-way signaling transmission.

2. the streetlight control circuit of controlling any node based on digital technology according to claim 1, it is characterized in that: described controller (3) comprises master controller and slave controller, described master controller adopts the RISC single-chip microcomputer PIC16F877 of 8 A/D of 8KBFlash multichannel, and slave controller adopts the RISC single-chip microcomputer PIC16F873 of 8 A/D of 4KB Flash multichannel.

3. according to claim 1ly control the streetlight control circuit of any node based on digital technology, it is characterized in that: described clock module (7) adopts the DS1302 clock chip of I2C serial communication.

4. the streetlight control circuit of controlling any node based on digital technology according to claim 1, it is characterized in that: described gsm module (9) is by data acquisition module, Data Receiving and sending module, terminal processing module is formed, the MSC1210 data acquisition module deposits the temperature data that collects in the memory in, Data Receiving and sending module adopt the mode of shared by two singlechips E2RPOM, data are read from E2PRROM, and by the GSM network data are sent through gsm module 2, when terminal processing module need be to gsm module 2 transmitting control commands, gsm module 2 receiving courses are just in time opposite with said process, thereby realize the automatic bidirectional transmission of data.

5. the streetlight control circuit of controlling any node based on digital technology according to claim 1, it is characterized in that: described power carrier module (10) adopts the modulator-demodulator of ST7536 as power line carrier, PLC, ST7536 is by sending output ATO and receiving analog input RAI and control pin RX/TX, RX/TX Digital Signals transmitting-receiving conversion, its output signal modulates the signal on the power line by coupling circuit then through bandpass filtering and pre-the amplification.