CN203193978U - Street lamp control system based on air quality detection - Google Patents
Street lamp control system based on air quality detection Download PDFInfo
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- CN203193978U CN203193978U CN2013201737656U CN201320173765U CN203193978U CN 203193978 U CN203193978 U CN 203193978U CN 2013201737656 U CN2013201737656 U CN 2013201737656U CN 201320173765 U CN201320173765 U CN 201320173765U CN 203193978 U CN203193978 U CN 203193978U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a street lamp control system based on air quality detection. The street lamp control system based on air quality detection comprises a centralized controller, a server, an MCU (microprogrammed control unit) module, a data acquisition module, a PWM (pulse-width modulation) output module, a ZIGBEE communication module and an air quality detection module, wherein the air quality detection module comprises a temperature-humidity sensor, an air pressure sensor, a dust concentration sensor, a signal processing circuit and a gas sensor. The street lamp control system based on air quality detection is capable of performing remote control and detection on street lamps in real time, so as to achieve the effects of unattended operation and energy conversation, and further capable of performing real-time air quality detection on roads with the street lamp control system disclosed by the utility model. In an area covered by the street lamp control system disclosed by the utility model, omnibearing street lamp intelligent control and air quality detection can be formed by integrating the detection terminals of a plurality of roads, so that labour can be greatly saved and efficiency can be greatly increased. The street lamp control system disclosed by the utility model further has the advantages of being simple in structure, low in cost, multifunctional, and the like.
Description
Technical field
The utility model relates to LED street lamp control field, is specifically related to a kind of street lamp control system based on Detection of Air Quality.
Background technology
The quickening that the modern city industrialization is gone down town exerts a certain influence to air ambient.A lot of cities have begun to have reported the air quality grade in weather forecast, in order to reference is provided for the people of trip.Along with the raising of environmental consciousness, air pollution problems inherent has caused social extensive concern.So-called air pollution namely refers to contain in the air one or more pollutants, and the amount of its existence, character and time can hurt the life of the mankind, plant and animal, infringement property, or the living environment of interfere with comfortable.Detection for air quality mainly comprises carbon monoxide, sulfur dioxide, and nitrogen dioxide, temperature, humidity, air pressure can suck the detection of aspects such as particle concentration.And traditional air quality detector or function singleness or complex structure, involve great expense, and belong to specialized department such as meteorology and use.And advocating day by day under the energy-conservation social background, be a very big demand for the reducing energy consumption of street lamp.Also there is not at present a kind of controller that Detection of Air Quality and Energy Saving Control are combined.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, a kind of street lamp control system based on Detection of Air Quality is provided, should not only can carry out long-range management and control and detection to street lamp in real time based on the street lamp control system of Detection of Air Quality, reach unattended operation, energy-conservation effect more can be carried out real-time Detection of Air Quality to road of the present utility model is installed; In the zone that the utility model covers, the sense terminals of comprehensive many roads can form omnibearing street lamp intelligence management and control and Detection of Air Quality, can save manpower greatly and raise the efficiency.The utility model is simple in structure, advantage such as cost is low, function is many in addition.
The purpose of this utility model is achieved in that a kind of street lamp control system based on Detection of Air Quality, comprise Centralized Controller and server, also comprise MCU module, data acquisition module, PWM output module, ZIGBEE communication module and Detection of Air Quality module, described Detection of Air Quality module comprises Temperature Humidity Sensor, baroceptor, sensor of dust concentration and signal processing circuit and gas sensor; The voltage of described data collecting module collected street lamp, current signal pass to the MCU module; Described Temperature Humidity Sensor passes to the MCU module with air themperature, the moisture signal that collects; Described baroceptor passes to the MCU module with the air pressure signal that collects; Sensor of dust concentration passes to the MCU module with the dust concentration signal that collects; Described gas sensor passes to signal processing circuit with the gas concentration signal that collects, and converts voltage signal stable, linear change to after described signal processing circuit is carried out gas concentration signal linear compensation and amplified processing and passes to the MCU module; Described MCU module passes to server with voltage, current signal and air themperature, moisture signal, air pressure signal, the dust concentration signal of the street lamp that receives and the gas concentration signal that comes from signal processing circuit through ZIGBEE communication module, Centralized Controller; Described server passes to the MCU module with work order through Centralized Controller, ZIGBEE communication module; Described MCU module is according to the work order that receives or the program that pre-sets, output control signal control Temperature Humidity Sensor, baroceptor, sensor of dust concentration and gas sensor are gathered air themperature, moisture signal, air pressure signal, dust concentration signal and gas concentration signal; Described MCU module is according to the work order that receives or the program that pre-sets, and the output pulse-modulated signal is given the PWM output module, and the PWM output module passes to the driving power of street lamp, the brightness of control LED street lamp with the pulse-modulated signal that receives.
Described gas sensor passes to signal processing circuit through the multi-channel analog change-over circuit with gas concentration signal, described MCU module output control signal control multi-channel analog change-over circuit.
Described signal processing circuit comprises voltage follower, linear compensation circuit, active filter circuit and in-phase amplification circuit, described voltage follower converts the gas concentration signal that receives to the voltage signal identical with input voltage and exports to the linear compensation circuit, the linear compensation circuit is given active filter circuit with the linear output linear signal that amplifies of the voltage signal that receives, export to in-phase amplification circuit after the interference signal in the active filter circuit filtering linear signal, in-phase amplification circuit is exported to the MCU module with the voltage that linear signal is amplified to 0～5V.
Described gas sensor is three, and wherein, three gas sensors are respectively carbon monoxide transducer, SO 2 sensor and nitrogen dioxide sensor.
It is the multi-channel analog transducer of CD4052A that described multi-channel analog change-over circuit adopts model.
Described data acquisition module comprises voltage transformer, current transformer, rectifier diode, filter capacitor, dual operational amplifier U5 and resistance, wherein, input of voltage transformer L1 with exchange series resistance R3 between the input L-1 end, R4, another input of voltage transformer L1 with exchange series resistance R5 between the input N-1 end, R6, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, the positive pole of filter capacitor C18 connects the negative pole of rectifier diode D5, the negative pole of filter capacitor C18 connects another output of voltage transformer L1, filter capacitor C18 two ends are parallel with filter capacitor C12, resistance R 7 be connected in parallel on filter capacitor C12 two ends again after resistance R 8 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 7 and the resistance R 8, the input of current transformer L2 connects the 3rd pin of J1, another input of current transformer L2 connects the 3rd pin of J2, J1, the 1st pin of J2 connects to exchange imports the L end, the 3rd pin of J1 connects to exchange imports the N end, the output of current transformer L2 connects the positive pole of rectifier diode D6, the positive pole of filter capacitor C13 connects the negative pole of rectifier diode D6, the negative pole of filter capacitor C13 connects another output of current transformer L2, filter capacitor C13 two ends are parallel with filter capacitor C4, resistance R 9 be connected in parallel on filter capacitor C14 two ends again after resistance R 10 is connected, the 5th pin of dual operational amplifier U5 is connected between resistance R 9 and the resistance R 10, the 1st of dual operational amplifier U5,2 pin are connected with the first input end of MCU module after connecting again, the 6th of dual operational amplifier U5,7 pin are connected with second input of MCU module after connecting again, the 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.
Described PWM output module comprises band resistance triode U8, optocoupler U7 and resistance, series resistance R30 between the base stage of described band resistance triode U8 and the output of MCU module, series resistance R31 between the base stage of the emitter of band resistance triode U8 and band resistance triode U8, the grounded emitter of band resistance triode U8, be connected resistance R 11 between the collector electrode of band resistance triode U8 and the input of optocoupler U7, another input of optocoupler U7 connects 5V voltage, the output of optocoupler U7 connects the 3rd pin of J3, be in series with resistance R 12 and resistance R 13 between another output of optocoupler U7 and the 2nd pin of J3, the 1st pin of J3 is connected between resistance R 12 and the resistance R 13, and the 1st pin of J3 connects the pulsewidth input of LED driving power.
It is the communication module of SZ05-ADV that described ZIGBEE communication module adopts model.
It is the single-chip microcomputer of STC12C5410AD that described MCU module adopts model.
The beneficial effects of the utility model are: because the utility model comprises Centralized Controller, server, MCU module, data acquisition module, PWM output module, ZIGBEE communication module and Detection of Air Quality module, described Detection of Air Quality module comprises Temperature Humidity Sensor, baroceptor, sensor of dust concentration and signal processing circuit and gas sensor.Gas sensor can detect the gas concentration of different types of air pollutants.The voltage of described data collecting module collected street lamp, current signal pass to the MCU module; Described Temperature Humidity Sensor passes to the MCU module with air themperature, the moisture signal that collects; Described baroceptor passes to the MCU module with the air pressure signal that collects; Sensor of dust concentration passes to the MCU module with the dust concentration signal that collects; Described gas sensor passes to signal processing circuit with the gas concentration signal that collects, and converts voltage signal stable, linear change to after described signal processing circuit is carried out gas concentration signal linear compensation and amplified processing and passes to the MCU module; Described MCU module passes to server with voltage, current signal and air themperature, moisture signal, air pressure signal, the dust concentration signal of the street lamp that receives and the gas concentration signal that comes from signal processing circuit through ZIGBEE communication module, Centralized Controller; Described server passes to the MCU module with work order through Centralized Controller, ZIGBEE communication module; Described MCU module is according to the work order that receives or the program that pre-sets, output control signal control Temperature Humidity Sensor, baroceptor, sensor of dust concentration and gas sensor are gathered air themperature, moisture signal, air pressure signal, dust concentration signal and gas concentration signal; Described MCU module is according to the work order that receives or the program that pre-sets, and the output pulse-modulated signal is given the PWM output module, and the PWM output module passes to the driving power of street lamp, the brightness of control LED street lamp with the pulse-modulated signal that receives.Thereby the utility model not only can carry out long-range management and control and detection to street lamp in real time, reaches unattended operation, energy-conservation effect; More can carry out real-time Detection of Air Quality to road of the present utility model is installed.In the zone that the utility model covers, the sense terminals of comprehensive many roads can form omnibearing street lamp intelligence management and control and Detection of Air Quality.In the transfer of data such as gas concentration signal of voltage, current signal and air themperature, moisture signal, air pressure signal, dust concentration signal and different types of air pollutants of street lamp behind server, by the processing of server to data, can obtain the air quality information in whole zone and the job information of street lamp, can save manpower greatly and raise the efficiency.Transducer of the present utility model can detect variety classes air pollutants, and also can increase transducer according to actual needs.The utlity model has advantages such as simple in structure, easy to use, that cost is low, function is many.
Description of drawings
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is circuit block diagram of the present utility model;
Fig. 3 is the circuit diagram of multi-channel analog change-over circuit;
Fig. 4 is the circuit diagram of signal processing circuit;
Fig. 5 is the circuit diagram of carbon monoxide transducer;
Fig. 6 is the circuit diagram of SO 2 sensor;
Fig. 7 is the circuit diagram of nitrogen dioxide sensor;
Fig. 8 is the circuit diagram of Temperature Humidity Sensor;
Fig. 9 is the circuit diagram of baroceptor;
Figure 10 is the circuit diagram of sensor of dust concentration;
Figure 11 is the circuit diagram of power circuit;
Figure 12 is the circuit diagram of MCU module and ZIGBEE communication module;
Figure 13 is the circuit diagram of data acquisition module;
Figure 14 is the circuit diagram of PWM output module.
In the accompanying drawing, 1 is the MCU module, and 2 is data acquisition module, 3 is the PWM output module, and 4 is the ZIGBEE communication module, and 5 is Temperature Humidity Sensor, 6 is baroceptor, 7 is sensor of dust concentration, and 8 is gas sensor, and 9 is signal processing circuit, 10 is the multi-channel analog change-over circuit, 11 is driving power, and 12 is Centralized Controller, and 13 is server.
Embodiment
Referring to Fig. 1, a kind of street lamp control system based on Detection of Air Quality comprises control terminal, Centralized Controller 12 and server 13.Described control terminal comprises MCU module 1, data acquisition module 2, PWM output module 3, ZIGBEE communication module 4 and Detection of Air Quality module.A control terminal is a control node.N control node is one group of control point.In the present embodiment, described control point is three groups.Communication is carried out by first Centralized Controller and server in first group of control point.Communication is carried out by second Centralized Controller and server in second group of control point.Communication is carried out by the 3rd Centralized Controller and server in the 3rd group of control point.Certainly, described control point can also be one or more groups.The number at control point is according to the actual conditions setting.Wherein, the control node carries out communication by ZIGBEE communication module and Centralized Controller, and Centralized Controller carries out communication by GPRS module and internet and server.
Referring to Fig. 2, described Detection of Air Quality module comprises Temperature Humidity Sensor 5, baroceptor 6, sensor of dust concentration 7 and gas sensor 8 and signal processing circuit 9.Transducer of the present utility model can be expanded, and namely can increase some transducers as required.Voltage, current signal that described data acquisition module 2 is gathered street lamp pass to the MCU module; Described Temperature Humidity Sensor 5 passes to the MCU module with air themperature, the moisture signal that collects; Described baroceptor 6 passes to the MCU module with the air pressure signal that collects; Sensor of dust concentration 7 passes to the MCU module with the dust concentration signal that collects; Described gas sensor 8 passes to signal processing circuit with the gas concentration signal that collects, and converts voltage signal stable, linear change to after described signal processing circuit is carried out gas concentration signal linear compensation and amplified processing and passes to MCU module 1; The described gas sensor of present embodiment is three, and wherein, three gas sensors are respectively carbon monoxide transducer, SO 2 sensor and nitrogen dioxide sensor.Certain described gas sensor also can arrange two or more according to actual needs.Wherein, described carbon monoxide transducer passes to MCU module 1 with the carbonomonoxide concentration signal that collects after signal processing circuit is handled.SO 2 sensor passes to MCU module 1 with the sulfur dioxide concentration signal that collects after signal processing circuit is handled.Nitrogen dioxide sensor passes to MCU module 1 with the content of nitrogen dioxide signal that collects after signal processing circuit is handled.Described MCU module 1 passes to server 13 with voltage, current signal and air themperature, moisture signal, air pressure signal, the dust concentration signal of the street lamp that receives and the gas concentration signal that comes from signal processing circuit through ZIGBEE communication module 4, Centralized Controller 12; Described server 13 passes to MCU module 1 with work order through Centralized Controller 12, ZIGBEE communication module 4; Described MCU module 1 is according to the work order that receives or the program that pre-sets, output control signal control Temperature Humidity Sensor 5, baroceptor 6, sensor of dust concentration 7 and gas sensor 8 are gathered air themperature, moisture signal, air pressure signal, dust concentration signal and gas concentration signal; Described MCU module 1 is according to the work order that receives or the program that pre-sets, and the output pulse-modulated signal is given PWM output module 3, and PWM output module 3 passes to the driving power 11 of street lamp, the brightness of control LED street lamp with the pulse-modulated signal that receives.
Referring to Fig. 3, described gas sensor 8 passes to signal processing circuit 9 through multi-channel analog change-over circuit 10 with gas concentration signal.Described MCU module 1 output control signal control multi-channel analog change-over circuit 10.Described multi-channel analog change-over circuit comprises access interface JP5 and multi-channel analog converter IC 2.The model of the described multi-channel analog converter IC 2 of present embodiment is CD4052A.The 9th pin of multi-channel analog converter IC 2 connects voltage VCC by resistance 20.The 6th, 7,8 pin ground connection of multi-channel analog converter IC 2.The 1st, 2,4,5 pin of multi-channel analog converter IC 2 are connected with the 4th, 3,2,1 pin of access interface JP5 respectively.Access interface JP5 is used for connecting gas sensor.The 3rd pin of multi-channel analog converter IC 2 is used for exporting as path signal.The 15th, 16 pin of multi-channel analog converter IC 2 are that path is selected the position.The 15th, 16 pin of the multi-channel analog converter IC 2 of present embodiment are connected with the 10th, 11 pin of MCU module.
Referring to Fig. 4, described signal processing circuit 9 comprises voltage follower, linear compensation circuit, active filter circuit and in-phase amplification circuit.Described voltage follower converts the gas concentration signal that receives to the voltage signal identical with input voltage and exports to the linear compensation circuit, the linear compensation circuit is given active filter circuit with the linear output linear signal that amplifies of the voltage signal that receives, export to in-phase amplification circuit after the interference signal in the active filter circuit filtering linear signal, in-phase amplification circuit is exported to the MCU module with the voltage that linear signal is amplified to 0～5V; Described MCU module output control signal control switch is selected circuit.
Described voltage follower comprises 358 amplifier U9A, and the linear compensation circuit comprises multifunction converter 4302.This multifunction converter IC1 is made of logarithm, antilogarithm, ratio logarithmic amplifier.Active filter circuit comprises 358 amplifier U10A, resistance R 16, resistance R 17, capacitor C 19, capacitor C 20.In-phase amplification circuit is by 358 amplifier U11A and resistance R 18, resistance R 19, slide rheostat RW2.Wherein, the inverting input of amplifier U9A is connected with output.The in-phase input end of amplifier U9A connects the 3rd pin of multi-channel analog converter IC 2.The power pins of amplifier U9A connects voltage VCC.The output of amplifier U9A connects the input Vz of multifunction converter IC1.The input Vx of multifunction converter IC1 connects a voltage input.Slide rheostat RW1 connects between the input Vx of multifunction converter IC1 and the input Vy.The Kb pin of multifunction converter IC1 is connected with an end of Kc pin, resistance R 1, and the other end of resistance R 1 is connected the other end ground connection of resistance R 2 with the Ka pin of multifunction converter IC1, an end of resistance R 2.The VCC pin of multifunction converter IC1 connects voltage VCC.The output V2 of multifunction converter IC1 connects an end of resistance R 16, and the other end of resistance R 16 connects an end of resistance R 17, an end of capacitor C 19.The other end of resistance R 17 connects an end of capacitor C 20, the in-phase input end of amplifier U10A.The other end ground connection of capacitor C 20.The other end of capacitor C 19 connects the inverting input of amplifier U10A.The inverting input of amplifier U10A connects the output of amplifier U10A.The power pins of amplifier U10A connects voltage VCC.The output of amplifier U10A connects an end of resistance R 18, and the other end of resistance R 18 connects the in-phase input end of amplifier U11A.The inverting input of U11A connects an end of resistance R 19, the end of slide rheostat RW2.The other end ground connection of resistance R 19.The output of the other end amplifier U11A of slide rheostat RW2.The A/D that the output of amplifier U11A connects the MCU module gathers pin.The signal of the ratio logarithmic amplifier of multifunction converter IC1 is from the output of Kb pin, and one the tunnel delivers to the inverting input Kc of summing circuit, and another road is introduced as the gain feedback control signal of ratio logarithmic amplifier from Ka through electric resistance partial pressure.Three input voltage Vx, Vy of multifunction converter, Vz can be the arbitrary values between 0～10V.Vx=1V, Vz are signal input part, regulate RW1 and can realize linearisation, relative accuracy §≤± 5%.When voltage signal enters multifunction converter 4302, with linearized amplification, the signal that obtains is more convenient for detecting.Adjust RW1 and can obtain more suitable linear signal.
Referring to Fig. 5, described carbon monoxide transducer is selected the MQ-7 gas sensor for use.Be in series with resistance R 21 between the output of carbon monoxide transducer Senser1 and the ground.Resistance R 21 is selected according to actual conditions as measuring resistance.The output of carbon monoxide transducer connects the multi-channel analog change-over circuit by access interface JP5.
Referring to Fig. 6, SO 2 sensor is selected German solidsense 7SO2-20 sulfur dioxide gas body sensor for use.The 1st pin of this SO 2 sensor Senser2 is to electrode, and the 2nd pin of this SO 2 sensor is reference electrode, and the 3rd pin of this SO 2 sensor is work electrode.The 1st, 2 pin of this SO 2 sensor all connect voltage VCC.Be in series with resistance R 20 between the 3rd pin of this SO 2 sensor and the ground.The 3rd pin of this SO 2 sensor connects by access interface JP5 and connects the multi-channel analog change-over circuit.Wherein, output current and the gas concentration of work electrode have linear relationship, and R20 is sample resistance, can revise the resistance of R20 according to actual conditions.
Referring to Fig. 7, nitrogen dioxide sensor is selected German solidsense 4R NO2-20 nitrogen dioxide electrochemical sensor for use.The 1st pin of this nitrogen dioxide sensor Senser3 is to electrode, and the 2nd pin of this nitrogen dioxide sensor is reference electrode, and the 3rd pin of this nitrogen dioxide sensor is work electrode.The 1st, 2 pin of this nitrogen dioxide sensor all connect voltage VCC.Be in series with resistance R 22 between the 3rd pin of this nitrogen dioxide sensor and the ground.The 3rd pin of this nitrogen dioxide sensor connects the multi-channel analog change-over circuit by access interface JP5.Wherein, output current and the gas concentration of work electrode have linear relationship, and R22 is sample resistance, can revise the resistance of R22 according to actual conditions.
Referring to Fig. 8, described Temperature Humidity Sensor is selected DTH11 humiture integrated sensor for use.This humiture integrated sensor comprises the wet element R23 of a resistance-type sense and a NTC temperature element IC5.The 3rd pin of NTC temperature element IC5 connects the 21st pin of MCU module, the 2nd pin of NTC temperature element IC5 connects the 20th pin of MCU module, wet element R23 one end of resistance-type sense connects the 2nd pin of NTC temperature element IC5, and the other end of the wet element R23 of resistance-type sense connects voltage VCC.The 4th pin of NTC temperature element IC5 connects voltage VCC, the 1st pin ground connection of NTC temperature element IC5.
Referring to Fig. 9, described baroceptor can be selected ASDXL DO series pressure sensor for use, and this pressure sensor is a kind of built-in application-specific integrated circuit (ASIC) (ASIC).The baroceptor model of present embodiment is ASDX015A24R-DO.The 4th pin of this baroceptor IC3 connects the 19th pin of MCU module, and the 6th pin of this baroceptor IC3 connects the 18th pin of MCU module.The 2nd pin of baroceptor IC3 connects voltage VCC, the 8th pin ground connection GND of baroceptor IC3.Between VCC and GND, add the decoupling capacitor of a 220NF, increase its antijamming capability.
Referring to Figure 10, described sensor of dust concentration is selected Korea S's dust/dust sensor DSM501 for use.The 2nd pin Vout2 of this sensor of dust concentration IC4 is common output pin.The 4th pin of this sensor of dust concentration IC4 is for being adjustable output pin position Vout1, and sensitivity can be adjusted by control pin.The 1st pin of this sensor of dust concentration IC4 is control pin: detect level by add the smallest particles that a resistance can adjust Vout 1 between this pin and GND, adjust the sensitivity that resistance value can be adjusted Vout 1.The 4th pin of this sensor of dust concentration IC4 connects the A/D translation interface of MCU module.The 3rd pin of this sensor of dust concentration IC4 connects voltage VCC, the 5th pin ground connection of this sensor of dust concentration IC4.
Referring to Figure 11, the power voltage supply that described control terminal provides by power circuit.Described power circuit comprises thermistor PTC, thermistor NTC, piezo-resistance CNR1, piezo-resistance CNR2, AC-DC power module U1, three terminal regulator U2, three terminal regulator U3 and some electric capacity.The end of thermistor PTC is connected with interchange input L end, and the other end of thermistor PTC is connected with the 1st pin of AC-DC power module U1.The end of thermistor NTC is connected with interchange input N end, and the other end of thermistor NTC is connected with the 2nd pin of AC-DC power module U1.The end of described piezo-resistance CNR1 is connected with the 1st pin of thermistor PTC one end, interchange input L-1 end, AC-DC power module U1.The other end of described piezo-resistance CNR1 is connected with the 2nd pin of thermistor NTC one end, interchange input N-1 end, AC-DC power module U1.Described piezo-resistance CNR2 is in parallel with piezo-resistance CNR1.The 3rd pin of AC-DC power module U1 connects ground wire.The 5th pin of AC-DC power module U1 is connected with the input of three terminal regulator U2.The output of three terminal regulator U2 is connected with the input of three terminal regulator U3.The equal ground connection of earth terminal of the 4th pin of AC-DC power module U1, the earth terminal of three terminal regulator U2, three terminal regulator U3.Capacitor C 5 one ends connect the 4th pin of AC-DC power module U1, capacitor C 5 other end ground connection.The positive pole of capacitor C 15 connects the 4th pin of AC-DC power module U1.The minus earth of capacitor C 15.Capacitor C 6 one ends connect the output of three terminal regulator U2, capacitor C 6 other end ground connection.The positive pole of capacitor C 16 connects the output of three terminal regulator U2, the minus earth of capacitor C 16.Capacitor C 7 one ends connect the output of three terminal regulator U3, capacitor C 7 other end ground connection.The positive pole of capacitor C 17 connects the output of three terminal regulator U3, the minus earth of capacitor C 17.
Interchange input N end, L end are the access interface of 220V voltage.Thermistor PTC is used for short-circuit protection and the overtemperature protection of this power circuit.Surge current when thermistor NTC can effectively suppress to start shooting, the protection electric equipment exempts from destruction.Piezo-resistance CNR1, piezo-resistance CNR2 are used for the overvoltage protection of this power circuit.The model of AC-DC power module U1 is LH05-B12.The alternating current of input input 85V-305V of AC-DC power module U1, the output output 12V direct voltage of AC-DC power module U1.Contain a spot of clutter in the 12V direct voltage of the output output of AC-DC power module U1, through entering the input of three terminal regulator U2 after capacitor C 5, the C15 filtering.The model of three terminal regulator U2 is LM7805.The output output 5V direct voltage of three terminal regulator U2.Enter the input of three terminal regulator U3 after the 5V direct voltage process capacitor C 6 of the output output of three terminal regulator U2, the C16 filtering.The model of three terminal regulator U3 is ASM1117.3.3 stable direct voltages of output after the 3.3V direct voltage process capacitor C 7 of the output output of three terminal regulator U3, the C17 filtering.
Referring to Figure 12, it is the single-chip microcomputer of STC12C5410AD that the described MCU module I C1 of present embodiment adopts model.Be in series with crystal oscillator Y1 between the 6th, 7 pin of MCU module I C1, the end of crystal oscillator Y1 is by capacitor C 1 ground connection, and the other end of crystal oscillator Y1 is by capacitor C 2 ground connection.The C1 of present embodiment, C2 are the 22PF ceramic condenser, and Y1 is that frequency is the crystal oscillator of 11.0952MHZ.Crystal oscillator Y1, capacitor C 1, C2 have formed the clock circuit of single-chip microcomputer.Capacitor C 14 and resistance 27 are connected between voltage VCC and the ground.The 3rd pin of MCU module I C1 is connected between the negative pole and resistance 27 of capacitor C 14, constitutes electrify restoration circuit.The 28th pin of MCU module I C1 connects 5V voltage, the 14th pin ground connection of MCU module I C1.It is the communication module of SZ05-ADV that the described ZIGBEE communication module of present embodiment adopts model.The 1st pin of ZIGBEE communication module connects VCC voltage, the 18th pin ground connection of ZIGBEE communication module.The 13rd pin of ZIGBEE communication module connects the 5th pin of MCU module.The 14th pin of ZIGBEE communication module connects the 4th pin of MCU module.
Referring to Figure 13, described data acquisition module comprises voltage transformer L1, current transformer L2, rectifier diode, filter capacitor, dual operational amplifier U5 and resistance, wherein, input of voltage transformer L1 with exchange series resistance R3, R4 between the input L-1 end, another input of voltage transformer L1 with exchange series resistance R5, R6 between the input N-1 end, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, and the positive pole of filter capacitor C18 connects the negative pole of rectifier diode D5.The negative pole of filter capacitor C18 connects another output of voltage transformer L1, filter capacitor C18 two ends are parallel with filter capacitor C12, resistance R 7 be connected in parallel on filter capacitor C12 two ends again after resistance R 8 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 7 and the resistance R 8, the input of current transformer L2 connects the 3rd pin of J1 interface, and another input of current transformer L2 connects the 3rd pin of J2 interface.The 2nd pin of the J1 interface shell that picks.The 2nd pin of the J2 interface shell that picks.The 1st pin of J1, J2 interface all connects to exchange imports the L end, and the 3rd pin of J1 interface connects interchange input N and holds.The output of current transformer L2 connects the positive pole of rectifier diode D6.The positive pole of filter capacitor C13 connects the negative pole of rectifier diode D6, and the negative pole of filter capacitor C13 connects another output of current transformer L2.Filter capacitor C13 two ends are parallel with filter capacitor C4.Resistance R 9 be connected in parallel on filter capacitor C4 two ends again after resistance R 10 is connected.The 5th pin of dual operational amplifier U5 is connected between resistance R 9 and the resistance R 10.Gathering port with the A/D of MCU module again after the 1st, 2 pin of dual operational amplifier U5 connect is connected.The 1st, 2 pin of the dual operational amplifier U5 of present embodiment are connected with the 25th pin of MCU module after connecting again.Gathering port with the A/D of MCU module again after the 6th, 7 pin of the dual operational amplifier U5 of present embodiment connect is connected.The 6th, 7 pin of the dual operational amplifier U5 of present embodiment are connected with the 24th pin of MCU module after connecting again.The 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.
The model of the current transformer L2 of present embodiment is HCT215-5A/5MA, and this current transformer belongs to the high accuracy device, and the no-load voltage ratio of this current transformer is 1000:1, and the output output AC signal of this current transformer.The model of the voltage transformer L1 of present embodiment is ZMPT101B, and the no-load voltage ratio of this voltage transformer is 1:1.In order to guarantee that input current satisfies the input requirement of this voltage transformer, at four resistance R 3 of input series connection, R4, R5, the R6 of this voltage transformer.Exchange input L-1 end, LN-1 end and be the input that is positioned at after thermistor and the piezo-resistance, purpose is in order to guarantee the stable of electric current and voltage, to prevent destruction and the influence of surge and peak current voltage.By adjusting resistance R 9 and the resistance of resistance R 10 and the resistance of resistance R 7 and resistance R 8, sampled voltage can be limited between 0～5V, detect with convenient.The model of the dual operational amplifier U5 of present embodiment is LM358, in the notebook data acquisition module as voltage follower.
Referring to Figure 14, described PWM output module comprises band resistance triode U8, optocoupler U7 and resistance, series resistance R30 between the base stage of described band resistance triode U8 and the pulse-width modulation output pin of MCU module.The pulse-width modulation output pin of the MCU module of present embodiment is the 26th pin of MCU module.Series resistance R31 between the base stage of the emitter of band resistance triode U8 and band resistance triode U8, the grounded emitter of band resistance triode U8, be connected resistance R 11 between the collector electrode of band resistance triode U8 and the input of optocoupler U7, another input of optocoupler U7 connects 5V voltage, the output of optocoupler U7 connects the 3rd pin of J3 interface, be in series with resistance R 12 and resistance R 13 between another output of optocoupler U7 and the 2nd pin of J3 interface, the 1st pin of J3 interface is connected the PWM-10V place between resistance R 12 and the resistance R 13.Resistance R 12 and the size of R13 for the control output current prevent that the pwm signal electric current is excessive.The J3 interface is used for the pulsewidth input signal cable of the driving power of connection LED lamp.Resistance R 14 is connected between the 1st pin of the 26th pin of MCU module and J3 interface.Resistance R 14 is 0 Europe resistance.Resistance R 14 connects as selectivity, for the driving power of compatible single line input signal.
Total system job step of the present utility model:
1. the user sends work order at server, is transferred on each Centralized Controller by internet and GPRS.
2. after Centralized Controller is resolved the action command of server, give an order to control terminal.
3. after control terminal receives order from Centralized Controller, the LED light fixture is managed, and working situation, the air quality information of collection and the job information of LED light fixture of management air quality acquisition module.
4. on final control terminal was uploaded onto the server data message by Centralized Controller, GPRS, internet network again, the end user can learn air quality information and the area illumination information in whole zone.
The job step of control terminal of the present utility model:
1. the ZIGBEE module of control terminal be used for to receive module command that the user sends at server and to client server feedback parameter information, the ZIGBEE module passes to single-chip microcomputer after receiving order.
2. after single-chip microcomputer received order, control PWM module transferred out pulse-width signal to driving power, with the brightness of control LED light fixture.
3. data acquisition module passes to single-chip microcomputer for voltage, the current information of gathering street lamp, and after single-chip microcomputer received voltage, current signal, single-chip microcomputer was carried voltage, current information by the ZIGBEE module to the higher level with voltage, current signal.
4. each transducer, under the control of single-chip microcomputer, under the certain hour that arranges, autonomous Information Monitoring, then by the ZIGBEE module to higher level's return information, also can under user's direct command, gather air information at once.
Claims (9)
1. street lamp control system based on Detection of Air Quality, comprise Centralized Controller and server, it is characterized in that: also comprise MCU module, data acquisition module, PWM output module, ZIGBEE communication module and Detection of Air Quality module, described Detection of Air Quality module comprises Temperature Humidity Sensor, baroceptor, sensor of dust concentration and signal processing circuit and gas sensor; The voltage of described data collecting module collected street lamp, current signal pass to the MCU module; Described Temperature Humidity Sensor passes to the MCU module with air themperature, the moisture signal that collects; Described baroceptor passes to the MCU module with the air pressure signal that collects; Sensor of dust concentration passes to the MCU module with the dust concentration signal that collects; Described gas sensor passes to signal processing circuit with the gas concentration signal that collects, and converts voltage signal stable, linear change to after described signal processing circuit is carried out gas concentration signal linear compensation and amplified processing and passes to the MCU module; Described MCU module passes to server with voltage, current signal and air themperature, moisture signal, air pressure signal, the dust concentration signal of the street lamp that receives and the gas concentration signal that comes from signal processing circuit through ZIGBEE communication module, Centralized Controller; Described server passes to the MCU module with work order through Centralized Controller, ZIGBEE communication module; Described MCU module is according to the work order that receives or the program that pre-sets, output control signal control Temperature Humidity Sensor, baroceptor, sensor of dust concentration and gas sensor are gathered air themperature, moisture signal, air pressure signal, dust concentration signal and gas concentration signal; Described MCU module is according to the work order that receives or the program that pre-sets, and the output pulse-modulated signal is given the PWM output module, and the PWM output module passes to the driving power of street lamp, the brightness of control LED street lamp with the pulse-modulated signal that receives.
2. the street lamp control system based on Detection of Air Quality according to claim 1, it is characterized in that: described gas sensor passes to signal processing circuit through the multi-channel analog change-over circuit with gas concentration signal, described MCU module output control signal control multi-channel analog change-over circuit.
3. the street lamp control system based on Detection of Air Quality according to claim 1 and 2, it is characterized in that: described signal processing circuit comprises voltage follower, the linear compensation circuit, active filter circuit and in-phase amplification circuit, described voltage follower converts the gas concentration signal that receives to the voltage signal identical with input voltage and exports to the linear compensation circuit, the linear compensation circuit is given active filter circuit with the linear output linear signal that amplifies of the voltage signal that receives, export to in-phase amplification circuit after the interference signal in the active filter circuit filtering linear signal, in-phase amplification circuit is exported to the MCU module with the voltage that linear signal is amplified to 0～5V.
4. the street lamp control system based on Detection of Air Quality according to claim 1 and 2, it is characterized in that: described gas sensor is three, wherein, three gas sensors are respectively carbon monoxide transducer, SO 2 sensor and nitrogen dioxide sensor.
5. the street lamp control system based on Detection of Air Quality according to claim 2 is characterized in that: it is the multi-channel analog transducer of CD4052A that described multi-channel analog change-over circuit adopts model.
6. the street lamp control system based on Detection of Air Quality according to claim 1, it is characterized in that: described data acquisition module comprises voltage transformer, current transformer, rectifier diode, filter capacitor, dual operational amplifier U5 and resistance, wherein, input of voltage transformer L1 with exchange series resistance R3 between the input L-1 end, R4, another input of voltage transformer L1 with exchange series resistance R5 between the input N-1 end, R6, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, the positive pole of filter capacitor C18 connects the negative pole of rectifier diode D5, the negative pole of filter capacitor C18 connects another output of voltage transformer L1, filter capacitor C18 two ends are parallel with filter capacitor C12, resistance R 7 be connected in parallel on filter capacitor C12 two ends again after resistance R 8 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 7 and the resistance R 8, the input of current transformer L2 connects the 3rd pin of J1, another input of current transformer L2 connects the 3rd pin of J2, J1, the 1st pin of J2 connects to exchange imports the L end, the 3rd pin of J1 connects to exchange imports the N end, the output of current transformer L2 connects the positive pole of rectifier diode D6, the positive pole of filter capacitor C13 connects the negative pole of rectifier diode D6, the negative pole of filter capacitor C13 connects another output of current transformer L2, filter capacitor C13 two ends are parallel with filter capacitor C4, resistance R 9 be connected in parallel on filter capacitor C14 two ends again after resistance R 10 is connected, the 5th pin of dual operational amplifier U5 is connected between resistance R 9 and the resistance R 10, the 1st of dual operational amplifier U5,2 pin are connected with the first input end of MCU module after connecting again, the 6th of dual operational amplifier U5,7 pin are connected with second input of MCU module after connecting again, the 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.
7. the street lamp control system based on Detection of Air Quality according to claim 1, it is characterized in that: described PWM output module comprises band resistance triode U8, optocoupler U7 and resistance, series resistance R30 between the base stage of described band resistance triode U8 and the output of MCU module, series resistance R31 between the base stage of the emitter of band resistance triode U8 and band resistance triode U8, the grounded emitter of band resistance triode U8, be connected resistance R 11 between the collector electrode of band resistance triode U8 and the input of optocoupler U7, another input of optocoupler U7 connects 5V voltage, the output of optocoupler U7 connects the 3rd pin of J3, be in series with resistance R 12 and resistance R 13 between another output of optocoupler U7 and the 2nd pin of J3, the 1st pin of J3 is connected between resistance R 12 and the resistance R 13, and the 1st pin of J3 connects the pulsewidth input of LED driving power.
8. the street lamp control system based on Detection of Air Quality according to claim 1 is characterized in that: it is the communication module of SZ05-ADV that described ZIGBEE communication module adopts model.
9. the street lamp control system based on Detection of Air Quality according to claim 1 is characterized in that: it is the single-chip microcomputer of STC12C5410AD that described MCU module adopts model.
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| CN2013201737656U CN203193978U (en) | 2013-04-09 | 2013-04-09 | Street lamp control system based on air quality detection |
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| CN2013201737656U CN203193978U (en) | 2013-04-09 | 2013-04-09 | Street lamp control system based on air quality detection |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619106A (en) * | 2013-12-04 | 2014-03-05 | 昆山泰顺自动化设备有限公司 | Street lamp wireless temperature control system |
| CN103933803A (en) * | 2014-05-13 | 2014-07-23 | 王勇 | Treatment system and urban street lamp system using same |
| CN104460614A (en) * | 2014-11-19 | 2015-03-25 | 安徽省德诺电子科技有限公司 | Hotel energy-consumption intelligent remote monitoring and managing system |
| CN104633563A (en) * | 2015-02-05 | 2015-05-20 | 朱飒昊 | Environmental monitoring warning street lamp |
| CN105276469A (en) * | 2015-10-26 | 2016-01-27 | 沈明 | Street lamp with air detection function |
| CN106132045A (en) * | 2016-07-17 | 2016-11-16 | 安徽卓越电气有限公司 | A kind of rotatable street lamp control system |
| CN109237752A (en) * | 2018-09-14 | 2019-01-18 | 佛山市高科合创科技有限公司 | The air monitering control circuit and air cleaning unit of electromagnetism interference |
| CN109613073A (en) * | 2018-10-29 | 2019-04-12 | 电子科技大学 | A kind of novel pressure and humidity sensor reading circuit |
| CN109668593A (en) * | 2018-12-26 | 2019-04-23 | 西安清宇网络科技有限公司 | A kind of integrated sensor, Illumination adjusting device and adjusting method for street lamp |
| CN109781956A (en) * | 2019-03-16 | 2019-05-21 | 嘉兴勤慎智能技术有限公司 | A kind of coal gas monitoring sensor |
| CN111536756A (en) * | 2020-05-21 | 2020-08-14 | 四川虹美智能科技有限公司 | Control apparatus for refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619106A (en) * | 2013-12-04 | 2014-03-05 | 昆山泰顺自动化设备有限公司 | Street lamp wireless temperature control system |
| CN103933803A (en) * | 2014-05-13 | 2014-07-23 | 王勇 | Treatment system and urban street lamp system using same |
| CN103933803B (en) * | 2014-05-13 | 2015-11-11 | 王勇 | A kind for the treatment of system and use the city street lamp system of this treatment system |
| CN104460614A (en) * | 2014-11-19 | 2015-03-25 | 安徽省德诺电子科技有限公司 | Hotel energy-consumption intelligent remote monitoring and managing system |
| CN104633563A (en) * | 2015-02-05 | 2015-05-20 | 朱飒昊 | Environmental monitoring warning street lamp |
| CN105276469A (en) * | 2015-10-26 | 2016-01-27 | 沈明 | Street lamp with air detection function |
| CN106132045A (en) * | 2016-07-17 | 2016-11-16 | 安徽卓越电气有限公司 | A kind of rotatable street lamp control system |
| CN109237752A (en) * | 2018-09-14 | 2019-01-18 | 佛山市高科合创科技有限公司 | The air monitering control circuit and air cleaning unit of electromagnetism interference |
| CN109613073A (en) * | 2018-10-29 | 2019-04-12 | 电子科技大学 | A kind of novel pressure and humidity sensor reading circuit |
| CN109668593A (en) * | 2018-12-26 | 2019-04-23 | 西安清宇网络科技有限公司 | A kind of integrated sensor, Illumination adjusting device and adjusting method for street lamp |
| CN109781956A (en) * | 2019-03-16 | 2019-05-21 | 嘉兴勤慎智能技术有限公司 | A kind of coal gas monitoring sensor |
| CN111536756A (en) * | 2020-05-21 | 2020-08-14 | 四川虹美智能科技有限公司 | Control apparatus for refrigerator |
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