CN102353752A - Device and method for remotely monitoring carbon dioxide concentration in complex air environment in real time - Google Patents
Device and method for remotely monitoring carbon dioxide concentration in complex air environment in real time Download PDFInfo
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Abstract
The invention discloses a device and a method for remotely monitoring carbon dioxide concentration in a complex air environment in real time. The device comprises a central processing unit, and an air environment sensor group, a GPS (Global Positioning System), an SD (Secure Digital) card data storage module, an LCD (Liquid Crystal Display) module and a GPRS (General Packet Radio Service) wireless transmission module which are connected with the central processing unit respectively, wherein the air environment sensor group comprises a carbon dioxide sensor, a temperature sensor, a humidity sensor and an illumination intensity sensor; the GPS receiving module is used for remotely acquiring positioning information and time service information of a monitoring point; the SD card data storage module is used for automatically storing acquired data, positioning information and time service information; the LCD module is used for displaying acquired data, network connection state and power supply information in real time; and the GPRS wireless transmission module is used for continuously transmitting acquired data in a wireless way. The device and the method are suitable for remotely and dynamically monitoring the carbon dioxide concentration in a complex air environment in real time. The method has the characteristics of simple structure, convenience for carrying, flexible monitoring distribution, remote monitoring, automatic storage, real-time display and wireless continuous transmission.
Description
Technical field
The present invention relates to the environment monitoring field, relate in particular to a kind of complicated air ambient carbon dioxide concentration remote real time monitoring device and method.
Background technology
The global warming problem has caused the close attention in the whole world; Carbon dioxide is that most important greenhouse gases also are the main causes of global warming; The 280ppm of its content before 1000 continues to rise; Especially since second industrial revolution in 1860; Its upcurve trend that almost is in line; 2009 annual gas concentration lwevels variations have risen to 387.35ppm, and increasing degree is up to 38.3%.Based on demand to air ambient carbon dioxide concentration remote real time monitoring; The present invention is directed to the temperature of greenhouse gases gas concentration lwevel and air ambient; Humidity has important related characteristics with intensity of illumination; Comprehensive utilization multiple sensors and GPRS (General packet radio service) technology; A kind of complicated air ambient carbon dioxide concentration remote real time monitoring device and method has been developed in autonomous innovation; Utilize the air ambient sensor groups to gather the gas concentration lwevel of the current air ambient in monitoring point in real time; Temperature; Humidity and intensity of illumination data; Adopt the GPS receiver module to obtain the locating information and the time service information of monitoring point, through SD card data memory module; LCD display module and GPRS wireless transport module are realized real-time image data; The automatic storage of locating information and time service information; Show in real time and wireless continuous transmission.This monitoring device and method can provide the gas concentration lwevel monitoring of safe and reliable, quick direct-reading, remote live, continuous working, for the remote live dynamic monitoring of complicated air ambient carbon dioxide concentration provides effective means.
The patent No. is that ZL200920032233.4 discloses a kind of carbon dioxide remote monitoring device, and this device is made up of MCU main control module, data acquisition module, GPS locating module, level switch module, GSM short message alarm module, SD card memory module, LCD MODULE and power module.This device is to be core controller with MCU; Data acquisition module is gathered gas concentration lwevel in real time; LCD MODULE shows information such as smoke stack emission gas concentration lwevel, detection time, chimney longitude and latitude; Adopt the particular location of GPS module location factories and miness chimney; Adopt gsm wireless note transmission mode to realize reporting to the police; All valid data all backup in the SD storage card, can help accurate, real-time, the long-range CO2 emission situation of obtaining the factories and miness chimney of environmental administration.But this device mainly is to carry out remote monitoring to the CO2 emission of factories and miness chimney; It is important related not consider that gas concentration lwevel and complicated air ambient exist; Not when monitoring gas concentration lwevel in real time, temperature, humidity and the intensity of illumination information of gathering the respective air environment; This device is only realized reporting to the police through gsm wireless note transmission mode when gas concentration lwevel reaches threshold values in addition; Can not realize the GPRS wireless network communication; Therefore gas concentration lwevel and other real-time image data can't be carried out wireless continuous transmission, be difficult to satisfy needs the continuous monitoring of gas concentration lwevel Remote Dynamic.When the actual outdoor CO2 emission place that is generalized under the complicated air ambient, be restricted; Operability is not strong, is difficult to the leakage of complicated air ambient carbon dioxide gas, diffusion and transition process are carried out remote live collection, wireless continuous transmission and dynamically portable location.
Summary of the invention
Technical matters: the deficiency that the objective of the invention is to overcome prior art; A kind of workable complicated air ambient carbon dioxide concentration remote real time monitoring device and method is provided; This device utilizes existing multiple sensors and GPRS technology, can support complicated air ambient carbon dioxide concentration data monitoring and long-range continuous transmission in real time.
Technical scheme: complicated air ambient carbon dioxide concentration remote real time monitoring device of the present invention; The GPS receiver module that comprise CPU (central processing unit), is connected respectively with CPU (central processing unit), SD card data memory module, LCD display module; Also comprise the air ambient sensor groups and the GPRS wireless transport module that are connected with CPU (central processing unit) respectively, the air ambient sensor groups is made up of carbon dioxide sensor, temperature sensor, humidity sensor and the parallel connection of intensity of illumination sensor; Described CPU (central processing unit) is 32 ARM microcontrollers; Described CPU (central processing unit) connects carbon dioxide sensor, connects 1-Wire jointing temp sensor, obtains the humidity sensor data, obtains intensity of illumination sensor and supply voltage data through analog to digital converter through electric capacity frequency inverted mode through unibus through twin wire universal serial bus I2C; Described GPRS wireless transport module adopts supports GSM/GPRS double-frequency wireless module, with International Mobile Equipment Identity sign indicating number IMEI as unique identification marking; CPU (central processing unit) connects the wireless receiving and dispatching that the GPRS wireless transport module carries out image data through UART Universal Asynchronous Receiver Transmitter UART.
The 1st pin of described carbon dioxide sensor U7 links to each other with voltage+V5.0 with the 3rd pin; The 4th pin, the 5th pin and the 9th pin link to each other with ground; The 7th pin links to each other with the 24th pin of ARM microprocessor U1 and an end of resistance R 76; The other end of resistance R 76 links to each other with voltage VCC; The 8th pin links to each other with the 25th pin of ARM microprocessor U1 and an end of resistance R 77, and an end of resistance R 77 links to each other with voltage VCC; The 1st pin of humidity sensor U8 links to each other with ground; The 2nd pin links to each other with an end of resistance R 42 and the end of variable capacitance C40 with the 6th pin; The other end of resistance R 42 links to each other with the 7th pin; The other end of variable capacitance C40 links to each other with ground; The 3rd pin links to each other with an end of resistance R 43; The other end of resistance R 43 links to each other with the 79th pin of ARM microprocessor U1; The 4th pin, the 8th pin link to each other with an end of voltage+V5.0 and resistance R 41; The other end of resistance R 41 links to each other with the 7th pin; The 5th pin links to each other with an end of resistance R 44, and the other end of resistance R 44 links to each other with ground; The 1st pin of temperature sensor U9 links to each other with ground, and the 2nd pin links to each other with the 36th pin of ARM microprocessor U1 and an end of resistance R 45, and the other end of resistance R 45 links to each other with voltage VCC, and the 3rd pin links to each other with an end of capacitor C 98, and the other end of capacitor C 98 links to each other with ground.
Described intensity of illumination sensor comprises resistance R 93, resistance R 94, resistance R 95, capacitor C 96 and voltage VSSA; Wherein the 29th pin of ARM microprocessor U1 links to each other with an end of resistance R 94 and an end of capacitor C 96; The other end of resistance R 94 links to each other with the 2nd pin of resistance R 93; The 1st pin of resistance R 93 links to each other with an end of resistance R 95; The other end of resistance R 95 links to each other with voltage VDDA, and the 3rd pin of resistance R 93 links to each other with the other end of capacitor C 96 and links to each other with voltage VSSA.
The 1st pin of described GSM/GPRS double-frequency wireless module U2 extremely links to each other with the C of triode Q20; The B utmost point of triode Q20 links to each other with an end of an end of resistance R 33 and resistance R 32; The E utmost point of the other end of resistance R 33 and triode Q20 links to each other with ground; The other end of resistance R 32 links to each other with the 39th pin of ARM microprocessor U1; The 9th pin links to each other with the 74th pin of ARM microprocessor U1; The 10th pin links to each other with the 75th pin of ARM microprocessor U1; The 16th pin links to each other with the 40th pin of ARM microprocessor U1 and an end of capacitor C 92; The other end of capacitor C 92 links to each other with ground; The 17th pin; The 18th pin; The 29th pin; The 45th pin; The 46th pin; The 53rd pin; The 54th pin; The 58th pin; The 59th pin; The 61st pin; The 62nd pin; The 63rd pin; The 64th pin links to each other with ground with the 65th pin; The 30th pin links to each other with the 1st pin of sim card socket J2 and an end of capacitor C 60; The other end of capacitor C 60 links to each other with ground; The 31st pin links to each other with an end of capacitor C 61 and an end of resistance R 62; The other end of capacitor C 61 links to each other with ground; The other end of resistance R 62 links to each other with the 6th pin of sim card socket sim card socket J2; The 32nd pin links to each other with an end of resistance R 61; The other end of resistance R 61 links to each other with the 4th pin of sim card socket J2; The 33rd pin links to each other with an end of resistance R 60; The other end of resistance R 60 links to each other with the 2nd pin of sim card socket J2, and the 4th pin of sim card socket J2 links to each other with ground; The 52nd pin links to each other with the 51st pin of ARM microprocessor U1 and an end of resistance R 63; The other end of resistance R 63 links to each other with the B utmost point of triode Q1 and an end of resistance R 65; The E utmost point of the other end of resistance R 65 and triode Q1 links to each other with ground; The C utmost point of triode Q1 links to each other with an end of LED 4; The other end of LED 4 links to each other with an end of resistance R 64, and the other end of resistance R 64 links to each other with voltage+V4.0; The 55th pin, the 56th pin and the 57th pin link to each other with an end of voltage+V4.0, capacitor C 91 and an end of capacitor C 93; The other end of the other end of capacitor C 91 and capacitor C 93 links to each other with ground; The 60th pin links to each other with the 1st pin of GPRS antenna J1; The 2nd pin of GPRS antenna J1, the 3rd pin, the 4th pin and the 5th pin link to each other with ground, and the 66th pin links to each other with the 38th pin of ARM microprocessor U1.
Complicated air ambient carbon dioxide concentration remote real time monitoring method of the present invention may further comprise the steps:
A. the CPU (central processing unit) energized is carried out initialization process to each modular circuit, regularly provide control signal, monitor the running status of each module in real time;
B. gather air gas concentration lwevel, temperature, humidity and intensity of illumination data respectively through the air ambient sensor groups;
C. accept module by GPS and obtain current locating information and time service information, locating information comprises longitude, latitude and the elevation of current location, and time service information is represented with GMT (Greenwich mean time) (universal time);
D. whether determining step b and c data acquisition finish, and then repeated execution of steps b and c do not finish;
E. gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information with finishing collecting is stored in the SD card data memory module automatically continuously;
F. current gas concentration lwevel, temperature, humidity, intensity of illumination, locating information, time service information, wireless network connection status and power information data are shown on the LCD display module in real time;
The g.GPRS wireless transport module connects cordless communication network, and gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information that collects is wirelessly transmitted to server.
Continuous transmission course that the GPRS of described image data is wireless comprises the steps:
A. CPU (central processing unit) initialization transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack, initializing universal asynchronism transceiver UART sends order AT and initialization GPRS wireless transport module;
B. CPU (central processing unit) is sent order ATD*97# and is given the GPRS wireless transport module, reaches the standard grade after the GPRS wireless transport module dial-up success;
C. CPU (central processing unit) is launched point-to-point ppp protocol and transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack; Connect the domain name system dns server through the GPRS wireless transport module; Connection Service device after the resolution server domain name, thus with the far-end mobile network realization point-to-point communication of shaking hands;
D. wait for air ambient sensor groups and GPS receiver module image data;
E. after the finishing collecting, CPU (central processing unit) deposits the data that collect in the SD card data memory module in;
F. when reaching Transmission Time Interval, data in the SD card data memory module are carried out user datagram protocol UDP package wireless transmission send.
Beneficial effect: the present invention adopts air ambient sensor groups and the current gas concentration lwevel of GPS receiver module remote collection, temperature, humidity, intensity of illumination and GPS orientation time service information, carries out the automatic storage of image data respectively, shows and wireless transmission in real time through SD card data memory module, LCD display module and GPRS wireless transport module.For the quantitative analysis of further carrying out carbon dioxide leakage, diffusion and the transition process on the space scale and time scale under the complicated air ambient and the dynamic similation of forecast model provide effective monitoring means.But have the advantages that to monitor the remote monitoring flexibly of layouting, storage automatically, demonstration in real time and wireless continuous transmission.It is simple in structure, and is easy to operate, easy to carry, and result of use is good, and major advantage has:
1, important related that temperature, humidity and intensity of illumination exist in density of carbon dioxide gas and the air ambient be can take into account, when gathering gas concentration lwevel, temperature, humidity and intensity of illumination information corresponding in the corresponding complicated air ambient gathered simultaneously.
2, can utilize the GPRS module to connect wireless communication networks; With the wireless server that is transferred to continuously of the dynamic change of the real-time Monitoring Data of air ambient; When wireless network is obstructed with real-time image data buffer memory to SD card data memory module; Treat when wireless network is unobstructed the image data of buffer memory is wirelessly transmitted to server, guaranteed the continuity of image data monitoring.
3, real-time dynamic perfect fusion of image data, GPS locating information and time service information, the further research that can be based on the leakage of complicated air ambient carbon dioxide gas, diffusion and the transition process and the rule of spatial and temporal scales provides good remote real time monitoring means.
Description of drawings
Fig. 1 is the structured flowchart of the complicated air ambient carbon dioxide of the present invention concentration remote real time monitoring device.
Fig. 2 is the module connection layout of the complicated air ambient carbon dioxide of the present invention concentration remote real time monitoring device.
Fig. 3 is the circuit connection diagram of air ambient real time data acquisition sensor groups of the present invention and CPU (central processing unit).
Fig. 4 is the circuit diagram of GPRS data wireless transport module of the present invention.
Fig. 5 is the process flow diagram of the gas concentration lwevel remote real time monitoring method of the complicated air ambient of the present invention.
Fig. 6 is the process flow diagram that GPRS data wireless transport module of the present invention carries out the wireless continuous transmission course of image data.
Among the figure: 1-air ambient sensor groups, 2-GPS receiver module, 3-SD card data memory module, 4-LCD display module, 5-GPRS wireless transport module, 6-CPU (central processing unit).
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
As shown in Figure 1; Complicated air ambient carbon dioxide concentration remote real time monitoring device of the present invention; Mainly constitute by air ambient sensor groups 1, GPS receiver module 2, SD card data memory module 3, LCD display module 4, GPRS wireless transport module 5 and CPU (central processing unit) 6; Wherein: the output terminal of air ambient sensor groups 1 and GPS receiver module 2 links to each other with the input end of CPU (central processing unit) 6, and the output terminal of CPU (central processing unit) 6 links to each other with SD card data memory module 3, LCD display module 4 and the input end of GPRS wireless transport module 5 respectively.
As shown in Figure 2; CPU (central processing unit) 6 adopts 32 ARM microcontrollers; Flash program storage in the sheet of built-in 56KBSRAM of ARM microprocessor and 512KB; Have systems programming ISP and application programming IAP function; And integrated functional parts such as A/D conversion, High Speed UART serial ports, CAN2.0B passage, its bus data baud rate can reach 1Mbps; CPU (central processing unit) 6 connects respectively and control air environmental sensor group 1, GPS receiver module 2, SD card data memory module 3, LCD display module 4 and GPRS wireless transport module 5; Air ambient sensor groups 1 is made up of carbon dioxide sensor, temperature sensor, humidity sensor and the parallel connection of intensity of illumination sensor; CPU (central processing unit) 6 connects carbon dioxide sensor, connects temperature sensor, obtains the humidity sensor data, obtains intensity of illumination sensor and supply voltage data through analog to digital converter through electric capacity frequency inverted mode through unibus 1-Wire through twin wire universal serial bus I2C respectively; GPS receiver module 2 provides GPS locating information and the time service information that gets access to CPU (central processing unit) 6; CPU (central processing unit) 6 is a standard N EMA format string line data with communicating by letter of 2 of GPS receiver modules; When parsing time, longitude and latitude, a satellite number and elevation information in the GPGGA bag, also in the GPRMC bag, parse speed and date and time information; CPU (central processing unit) 6 read-write SD card memory modules 3, with acquisition data storage to the SD card; CPU (central processing unit) 6 shows the data that collect in real time through LCD display module 4; CPU (central processing unit) 6 connects the wireless receiving and dispatching that the GPRS wireless transport module carries out image data through UART Universal Asynchronous Receiver Transmitter UART; GPRS wireless transport module 5 adopts GSM/GPRS double-frequency wireless modules, with International Mobile Equipment Identity sign indicating number IMEI as unique identification marking.
As shown in Figure 3; The 1st pin of carbon dioxide sensor U7 links to each other with voltage+V5.0 with the 3rd pin; The 4th pin, the 5th pin and the 9th pin link to each other with ground; The 7th pin links to each other with the 24th pin of ARM microprocessor U1 and an end of resistance R 76; The other end of resistance R 76 links to each other with voltage VCC; The 8th pin links to each other with the 25th pin of ARM microprocessor U1 and an end of resistance R 77, and an end of resistance R 77 links to each other with voltage VCC; The 1st pin of humidity sensor U8 links to each other with ground; The 2nd pin links to each other with an end of resistance R 42 and the end of variable capacitance C40 with the 6th pin; The other end of resistance R 42 links to each other with the 7th pin; The other end of variable capacitance C40 links to each other with ground; The 3rd pin links to each other with an end of resistance R 43; The other end of resistance R 43 links to each other with the 79th pin of ARM microprocessor U1; The 4th pin, the 8th pin link to each other with an end of voltage+V5.0 and resistance R 41; The other end of resistance R 41 links to each other with the 7th pin; The 5th pin links to each other with an end of resistance R 44, and the other end of resistance R 44 links to each other with ground; The 1st pin of temperature sensor U9 links to each other with ground, and the 2nd pin links to each other with the 36th pin of ARM microprocessor U1 and an end of resistance R 45, and the other end of resistance R 45 links to each other with voltage VCC, and the 3rd pin links to each other with an end of capacitor C 98, and the other end of capacitor C 98 links to each other with ground; The intensity of illumination sensor is made up of resistance R 93, resistance R 94, resistance R 95, capacitor C 96 and voltage VSSA; The 29th pin of ARM microprocessor U1 links to each other with an end of an end of resistance R 94 and capacitor C 96; The other end of resistance R 94 links to each other with the 2nd pin of resistance R 93; The 1st pin of resistance R 93 links to each other with an end of resistance R 95; The other end of resistance R 95 links to each other with voltage VDDA, and the 3rd pin of resistance R 93 links to each other with the other end of capacitor C 96 and links to each other with voltage VSSA.
As shown in Figure 4; The 1st pin of GSM/GPRS double-frequency wireless module U2 extremely links to each other with the C of triode Q20; The B utmost point of triode Q20 links to each other with an end of an end of resistance R 33 and resistance R 32; The E utmost point of the other end of resistance R 33 and triode Q20 links to each other with ground; The other end of resistance R 32 links to each other with the 39th pin of ARM microprocessor U1; The 9th pin links to each other with the 74th pin of ARM microprocessor U1; The 10th pin links to each other with the 75th pin of ARM microprocessor U1; The 16th pin links to each other with the 40th pin of ARM microprocessor U1 and an end of capacitor C 92; The other end of capacitor C 92 links to each other with ground; The 17th pin; The 18th pin; The 29th pin; The 45th pin; The 46th pin; The 53rd pin; The 54th pin; The 58th pin; The 59th pin; The 61st pin; The 62nd pin; The 63rd pin; The 64th pin links to each other with ground with the 65th pin; The 30th pin links to each other with the 1st pin of sim card socket J2 and an end of capacitor C 60; The other end of capacitor C 60 links to each other with ground; The 31st pin links to each other with an end of capacitor C 61 and an end of resistance R 62; The other end of capacitor C 61 links to each other with ground; The other end of resistance R 62 links to each other with the 6th pin of sim card socket sim card socket J2; The 32nd pin links to each other with an end of resistance R 61; The other end of resistance R 61 links to each other with the 4th pin of sim card socket J2; The 33rd pin links to each other with an end of resistance R 60; The other end of resistance R 60 links to each other with the 2nd pin of sim card socket J2, and the 4th pin of sim card socket J2 links to each other with ground; The 52nd pin links to each other with the 51st pin of ARM microprocessor U1 and an end of resistance R 63; The other end of resistance R 63 links to each other with the B utmost point of triode Q1 and an end of resistance R 65; The E utmost point of the other end of resistance R 65 and triode Q1 links to each other with ground; The C utmost point of triode Q1 links to each other with an end of LED 4; The other end of LED 4 links to each other with an end of resistance R 64, and the other end of resistance R 64 links to each other with voltage+V4.0; The 55th pin, the 56th pin and the 57th pin link to each other with an end of voltage+V4.0, capacitor C 91 and an end of capacitor C 93; The other end of the other end of capacitor C 91 and capacitor C 93 links to each other with ground; The 60th pin links to each other with the 1st pin of GPRS antenna J1; The 2nd pin of GPRS antenna J1, the 3rd pin, the 4th pin and the 5th pin link to each other with ground, and the 66th pin links to each other with the 38th pin of ARM microprocessor U1.
As shown in Figure 5, complicated air ambient carbon dioxide concentration remote real time monitoring method of the present invention mainly comprises two parts of data acquisition and wireless transmission, may further comprise the steps:
A. CPU (central processing unit) 6 energized are carried out initialization process to air ambient sensor groups 1, GPS receiver module 2, SD card memory module 3, LCD display module 4 and GPRS wireless transport module 5 circuit; Regularly (1 second at interval) provides control signal, monitors the running status of each module in real time;
B. gather gas concentration lwevel, temperature, humidity and intensity of illumination data in the current air ambient respectively through air ambient sensor groups 1;
C. accept locating information and the time service information that module 2 is obtained current monitoring point by GPS, locating information comprises longitude, latitude and the elevation of current location, and time service information is represented with GMT (Greenwich mean time) (universal time);
D. whether determining step b and c data acquisition finish, and then repeated execution of steps b and c do not finish;
E. gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information with real-time finishing collecting is stored in the SD card data memory module 3 automatically continuously;
F. current gas concentration lwevel, temperature, humidity, intensity of illumination, locating information, time service information, wireless network connection status and power information data are shown on LCD display module 4 in real time;
The g.GPRS wireless transport module connects cordless communication network; When the wireless transmission that reaches customization during the time interval (be 1 second～30 minutes interval time); The request that GPRS wireless transport module 5 receives from server is with the wireless server that is transferred to continuously of the gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information that collect.
As shown in Figure 6, GPRS data wireless transport module 5 carries out the wireless continuous transmission course of image data, may further comprise the steps:
A. CPU (central processing unit) 6 initialization transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack, initializing universal asynchronism transceiver UART sends order AT and initialization GPRS wireless transport module 5;
B. CPU (central processing unit) 6 is sent order ATD*97# and is given GPRS wireless transport module 5, reaches the standard grade after GPRS wireless transport module 5 dial-up success;
C. CPU (central processing unit) 6 is launched point-to-point ppp protocol and transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack; Connect the domain name system dns server through GPRS wireless transport module 5; Connection Service device after the resolution server domain name, thus with the far-end mobile network realization point-to-point communication of shaking hands;
D. wait for air ambient sensor groups 1 and GPS receiver module 2 image data;
E. after the finishing collecting, CPU (central processing unit) 6 deposits the data that collect in the SD card data memory module 3 in;
F. when reaching the Transmission Time Interval of customization (be 1 second～30 minutes interval time) carried out user datagram protocol UDP package wireless transmission with data in the SD card data memory module 3 and sent.
Claims (6)
1. complicated air ambient carbon dioxide concentration remote real time monitoring device; Comprise CPU (central processing unit) (6), the GPS receiver module (2) that is connected with CPU (central processing unit) (6) respectively, SD card data memory module (3), LCD display module (4); It is characterized in that: also comprise the air ambient sensor groups (1) and the GPRS wireless transport module (5) that are connected with CPU (central processing unit) (6) respectively, air ambient sensor groups (1) is made up of carbon dioxide sensor U7, temperature sensor U9, humidity sensor U8 and the parallel connection of intensity of illumination sensor; Described CPU (central processing unit) (6) is 32 ARM microcontroller U1; Described CPU (central processing unit) (6) connects carbon dioxide sensor U7, connects temperature sensor U9, obtains humidity sensor U8 data, obtains intensity of illumination sensor and supply voltage data through analog to digital converter through electric capacity frequency inverted mode through unibus 1-Wire through twin wire universal serial bus I2C; Described GPRS wireless transport module (5) adopt to be supported global mobile communication system/general grouping wireless service GSM/GPRS double-frequency wireless module U2, with International Mobile Equipment Identity sign indicating number IMEI as unique identification marking; CPU (central processing unit) (6) adopts UART Universal Asynchronous Receiver Transmitter UART to connect the wireless receiving and dispatching that GPRS wireless transport module (5) carries out image data.
2. complicated air ambient carbon dioxide concentration remote real time monitoring device according to claim 1; It is characterized in that: the 1st pin of described carbon dioxide sensor U7 links to each other with voltage+V5.0 with the 3rd pin; The 4th pin, the 5th pin and the 9th pin link to each other with ground; The 7th pin links to each other with the 24th pin of ARM microprocessor U1 and an end of resistance R 76; The other end of resistance R 76 links to each other with voltage VCC; The 8th pin links to each other with the 25th pin of ARM microprocessor U1 and an end of resistance R 77, and an end of resistance R 77 links to each other with voltage VCC; The 1st pin of temperature sensor U9 links to each other with ground, and the 2nd pin links to each other with the 36th pin of ARM microprocessor U1 and an end of resistance R 45, and the other end of resistance R 45 links to each other with voltage VCC, and the 3rd pin links to each other with an end of capacitor C 98, and the other end of capacitor C 98 links to each other with ground; The 1st pin of humidity sensor U8 links to each other with ground; The 2nd pin links to each other with an end of resistance R 42 and the end of variable capacitance C40 with the 6th pin; The other end of resistance R 42 links to each other with the 7th pin; The other end of variable capacitance C40 links to each other with ground; The 3rd pin links to each other with an end of resistance R 43; The other end of resistance R 43 links to each other with the 79th pin of ARM microprocessor U1; The 4th pin, the 8th pin link to each other with an end of voltage+V5.0 and resistance R 41; The other end of resistance R 41 links to each other with the 7th pin; The 5th pin links to each other with an end of resistance R 44, and the other end of resistance R 44 links to each other with ground.
3. complicated air ambient carbon dioxide concentration remote real time monitoring device according to claim 1; It is characterized in that: described intensity of illumination sensor is by resistance R 93; Resistance R 94; Resistance R 95; Capacitor C 96 constitutes with voltage VSSA; Wherein the 29th pin of ARM microprocessor U1 links to each other with an end of resistance R 94 and an end of capacitor C 96; The other end of resistance R 94 links to each other with the 2nd pin of resistance R 93; The 1st pin of resistance R 93 links to each other with an end of resistance R 95; The other end of resistance R 95 links to each other with voltage VDDA, and the 3rd pin of resistance R 93 links to each other with the other end of capacitor C 96 and links to each other with voltage VSSA.
4. complicated air ambient carbon dioxide concentration remote real time monitoring device according to claim 1; It is characterized in that: the 1st pin of described GSM/GPRS double-frequency wireless module U2 extremely links to each other with the C of triode Q20; The B utmost point of triode Q20 links to each other with an end of an end of resistance R 33 and resistance R 32; The E utmost point of the other end of resistance R 33 and triode Q20 links to each other with ground; The other end of resistance R 32 links to each other with the 39th pin of ARM microprocessor U1; The 9th pin links to each other with the 74th pin of ARM microprocessor U1; The 10th pin links to each other with the 75th pin of ARM microprocessor U1; The 16th pin links to each other with the 40th pin of ARM microprocessor U1 and an end of capacitor C 92; The other end of capacitor C 92 links to each other with ground; The 17th pin; The 18th pin; The 29th pin; The 45th pin; The 46th pin; The 53rd pin; The 54th pin; The 58th pin; The 59th pin; The 61st pin; The 62nd pin; The 63rd pin; The 64th pin links to each other with ground with the 65th pin; The 30th pin links to each other with the 1st pin of sim card socket J2 and an end of capacitor C 60; The other end of capacitor C 60 links to each other with ground; The 31st pin links to each other with an end of capacitor C 61 and an end of resistance R 62; The other end of capacitor C 61 links to each other with ground; The other end of resistance R 62 links to each other with the 6th pin of sim card socket sim card socket J2; The 32nd pin links to each other with an end of resistance R 61; The other end of resistance R 61 links to each other with the 4th pin of sim card socket J2; The 33rd pin links to each other with an end of resistance R 60; The other end of resistance R 60 links to each other with the 2nd pin of sim card socket J2, and the 4th pin of sim card socket J2 links to each other with ground; The 52nd pin links to each other with the 51st pin of ARM microprocessor U1 and an end of resistance R 63; The other end of resistance R 63 links to each other with the B utmost point of triode Q1 and an end of resistance R 65; The E utmost point of the other end of resistance R 65 and triode Q1 links to each other with ground; The C utmost point of triode Q1 links to each other with an end of LED 4; The other end of LED 4 links to each other with an end of resistance R 64, and the other end of resistance R 64 links to each other with voltage+V4.0; The 55th pin, the 56th pin and the 57th pin link to each other with an end of voltage+V4.0, capacitor C 91 and an end of capacitor C 93; The other end of the other end of capacitor C 91 and capacitor C 93 links to each other with ground; The 60th pin links to each other with the 1st pin of GPRS antenna J1; The 2nd pin of GPRS antenna J1, the 3rd pin, the 4th pin and the 5th pin link to each other with ground, and the 66th pin links to each other with the 38th pin of ARM microprocessor U1.
5. according to the complicated air ambient carbon dioxide concentration remote real time monitoring method of the said device of claim 1, it is characterized in that may further comprise the steps:
A. CPU (central processing unit) (6) energized is carried out initialization process to each modular circuit, regularly provide control signal, monitor the running status of each module in real time;
B. gather air gas concentration lwevel, temperature, humidity and intensity of illumination data respectively through air ambient sensor groups (1);
C. accept module (2) by GPS and obtain current locating information and time service information, locating information comprises longitude, latitude and the elevation of current location, and time service information is represented with GMT (Greenwich mean time) (universal time);
D. whether determining step b and c data acquisition finish, and then repeated execution of steps b and c do not finish;
E. gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information with finishing collecting is stored in the SD card data memory module (3) automatically continuously;
F. current gas concentration lwevel, temperature, humidity, intensity of illumination, locating information, time service information, wireless network connection status and power information data are gone up in real time at LCD display module (4) and show;
G.GPRS wireless transport module (5) connects cordless communication network, with the wireless server that is transferred to continuously of the gas concentration lwevel, temperature, humidity, intensity of illumination, locating information and the time service information that collect.
6. complicated air ambient carbon dioxide concentration remote real time monitoring method according to claim 5, it is characterized in that: continuous transmission course that the GPRS of described image data is wireless comprises the steps:
A. CPU (central processing unit) (6) initialization transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack, initializing universal asynchronism transceiver UART sends order AT and initialization GPRS wireless transport module (5);
B. CPU (central processing unit) (6) is sent order ATD*97# and is given GPRS wireless transport module (5), reaches the standard grade after GPRS wireless transport module (5) dial-up success;
C. CPU (central processing unit) (6) is launched point-to-point ppp protocol and transmission control protocol/the Internet interconnection protocol ICP/IP protocol stack; Connect the domain name system dns server through GPRS wireless transport module (5); Connection Service device after the resolution server domain name, thus with the far-end mobile network realization point-to-point communication of shaking hands;
D. wait for air ambient sensor groups (1) and GPS receiver module (2) image data;
E. after the finishing collecting, CPU (central processing unit) (6) deposits the data that collect in the SD card data memory module (3) in;
F. when reaching the Transmission Time Interval of customization, data in the SD card data memory module (3) are carried out user datagram protocol UDP package wireless transmission send.
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Address after: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Patentee after: China University of Mining & Technology Address before: 221116 science and Technology Department, China University of Mining and Technology, Sanhuan South Road, Xuzhou, Jiangsu Patentee before: China University of Mining & Technology |
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