Gas under ground piping safety monitoring system
Technical field
The utility model belong to have wireless transmission function for gas under ground piping safety monitoring system.
Background technique
Gas is a kind of clean energy resource, is characterized in that calorific value is high, carbon emission amount is low.Controlling under the overall situation of greenhouse gas emission, city gas industry is established as 12 and gives priority to industry.Gas in city more than two wires, all has thousands of under ground piping wells at each.The method of the potential safety hazard of traditional detection under ground piping well is that patrol officer carries combustible gas detector and minute book Site Detection combustable gas concentration, by the human eye inspection well inner product water yield, combustable gas concentration and water level is kept a record.
The way cost of manual inspection is very high, and polling period is very long, patrols and examines 1 needs of all conduit shafts more than 1 week, mean polling period minimum be 1 week, in polling period, produce hidden danger, patrol officer cannot find in time, hidden danger very easily develops into explosive accident, causes Loss of Life and property.Although gas company has all been equipped with combustible gas detector, various places gas pipeline still explosive accident takes place frequently, and reason is that manual inspection cannot be found the potential safety hazard in conduit shaft in time.
Model utility content
In order to overcome, manual inspection labor intensity is large, cost is high, the deficiency that polling period is long, and the utility model provides a kind of gas under ground piping safety monitoring system.
6. the utility model solves the technological scheme that its technical problem adopts and is: a kind of gas under ground piping safety monitoring system, comprise conduit shaft Intelligent Measurement terminal, database server, Web server and client end, described conduit shaft Intelligent Measurement terminal is installed in city gas pipeline well for detection of combustible gas content and water accumulating volume and inspection data is sent to database server, database server sends to client end by testing result by Web server, it is characterized in that: described conduit shaft Intelligent Measurement terminal comprises power supply, central processing unit (CPU), the gas being connected with central processing unit (CPU) input end, waterlevel data collecting treatment circuit, be connected to the wireless signal transmitting device of central processing unit (CPU) output terminal, LED light, key press detecting circuit.
Described power supply comprises large capacity 7.2V lithium cell and power-switching circuit, described power-switching circuit is included as GPRS wireless module the 4V circuit of power supply is provided, chip IC 2 models that this circuit uses are MIC29302,1 pin and 2 pin of IC2 link together, receive 7.2V, the 3 pin ground connection of IC2, the four pin output 4V of IC2, between the 5 pin resistance R 6 and R7 of IC2, for feeding back the 4V of output; Also comprise the 3V circuit of power supply to single-chip microcomputer, gas sensitive element, signal analysis and processing circuit, level sensor element wireless module is provided, the IC3 model of the chip that this circuit uses is MCP1702-3,2 pin of IC3 meet 7.2V, the 3 pin output 3V of IC3, the 1 pin ground connection of IC3.
Described gas, the IC5 model that waterlevel data collecting treatment circuit uses are MCP6042, the 4 pin ground connection of IC5, and 8 pin of IC5 meet 3V; Level sensor element is by connector assembly WAT access conduit shaft Intelligent Measurement terminal mainboard, and 2 pin of WAT meet 3V by R36, and level sensor element 1 pin connects 3 pin of IC5 by R39; 2 pin of IC5 are by R40, R41 ground connection; 1 pin of IC5 connects 48 pin of IC1 by resistance R 42; Gas sensitive element is by connector assembly CGQ access conduit shaft Intelligent Measurement terminal mainboard, and 1 pin of CGQ meets 3V, the 3 pin ground connection of CGQ, and 2 pin of CGQ access 5 pin of IC5 by R49; 6 pin of IC5 are by R50 ground connection, and 6,7 pin of IC5 connect by resistance R 51, and 7 pin of IC5 connect 23 pin of IC1 by resistance R 52.
Chip IC 1 model that described central processing unit (CPU) uses is PIC16F1947,6,9,20,22,25,41, the 56 pin ground connection of IC1,1,2,3 pin of IC1 are by R58 ground connection, 11,12,13,14,15,16 of IC1 passes through resistance R 57 ground connection, 17,18 pin of IC1 are by resistance R 63 ground connection, 28,29,30 pin of IC1 are by resistance R 62 ground connection, 43,44,45 pin of C1 are by resistance R 61 ground connection, 51 pin of C1 are by resistance R 60 ground connection, 59,60,63,64 pin of C1 are by resistance R 59 ground connection, and 10,19,26,38,57 pin of C1 meet 3V; 7 pin of IC1 are chip reset pin, meet 3V by resistance R 21, by capacitor C 5 ground connection; Button S1 is zeroing key, one end ground connection, and the other end meets 3V by resistance R 23 and connects 46 pin of IC1.Button S2 is demarcation key, one end ground connection, and the other end meets 3V by resistance R 24 and connects 47 pin of IC1; 46 pin of IC1 are for detection of zeroing button, and 47 pin of IC1 are for detection of demarcating button; 39,40 pin of IC1 connect the two ends of crystal oscillator JZ; 23 pin of IC1 are for detection of gas concentration, and 48 pin of IC1 are for detection of water level, and 31,32 pin of IC1 are used for controlling IC4.
Described wireless signal transmitting device comprises GPRS sender unit and explosion-resistant antenna, chip IC 4 models that described GPRS sender unit uses are MG2639,1,3,5, the 28 pin ground connection of IC4,6 pin of IC4 meet 4V, and 7 pin of IC4 meet R35, for state of a control tutorial light NET, 11,12,13,14 pin of IC4 connect 2,3,6,1 pin of SIM, be used for connecting SIM, 15,16 pin of IC4 connect respectively 32,31 pin of IC1, the communication of realization and single-chip microcomputer IC1; The collector electrode of the 24 pin connecting triode Q6 of IC4, realizes the switch control to IC4, and Q6 model is 9013, is NPN type triode, Q6 grounded-emitter connection, and Q6 base stage connects 53 pin of IC1 by resistance R 31; Described explosion-resistant antenna is connected to the antennal interface of IC4 on mainboard, and aerial head is arranged in the U-shaped groove that high road surface holds successfully.
The beneficial effects of the utility model are to provide a kind of gas under ground piping safety monitoring system and the method for long time continuous working, remote auto detection, the detecting method that replaces artificial hand-held detector to patrol and examine, sense cycle was foreshortened to 1 hour by 1 week, and the probability scenting a hidden danger improves 168 times.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the block diagram of conduit shaft Intelligent Measurement terminal in Fig. 1,
The circuit of Fig. 3 for providing 4V to power,
The circuit of Fig. 4 for providing 3V to power,
Fig. 5 is waterlevel data collecting treatment circuit
Fig. 6 is inflammable gas data acquisition processing circuit
Fig. 7 is central processing unit (CPU) and peripheral circuit,
Fig. 8 is GPRS sender unit.
In figure, 1. conduit shaft Intelligent Measurement terminal, 2. database server, 3.WEB server, 4. client end, 5.7.2V lithium cell, 6. the 3V circuit of power supply is provided, 7. provides the 4V circuit of power supply, 8. central processing unit (CPU), 9. gas sensitive element, 10. gas signal processing circuit, 11. level sensor elements, 12. water level signal processing circuits, 13.GPRS wireless module, 14. antennas, 15.LED tutorial light, 16. key press detecting circuits.
Embodiment
Embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of gas under ground piping safety monitoring system, it is characterized in that: comprise that at least one is installed in city gas pipeline well for detection of combustible gas content and water accumulating volume and has the conduit shaft Intelligent Measurement terminal 1 of radio warning function, a set of data of sending for receiving, analyze and store conduit shaft Intelligent Measurement terminal, adopt B/S structure, by webpage to client service gas under ground piping safety monitoring system service centre.
Described gas under ground piping safety monitoring system service centre comprise can carry out GPRS wireless data communication with conduit shaft Intelligent Measurement terminal and can analyze and store the database server 2 of the data that conduit shaft Intelligent Measurement terminal sends and adopt B/S structure, the Web server 3 of serving to client end 4 by webpage.
Described database server is installed a set of SQL Server database, for storing combustable gas concentration, the waterlevel data that conduit shaft Intelligent Measurement terminal is beamed back, be used for storing combustable gas concentration performance graph, for storing combustable gas concentration early warning data, for storing water level early warning data.Be used for storing conduit shaft Intelligent Measurement end point bit data, conduit shaft Intelligent Measurement end point bit data comprises address number, installation time, alignment time, mounting point; Database server is installed a set of database acquisition software, be used for and conduit shaft Intelligent Measurement terminal called, use ICP/IP protocol to obtain the data that conduit shaft Intelligent Measurement terminal sends, data are resolved, the combustable gas concentration parsing, water level information are stored in SQL Server database by address number.
Described Web server adopts B/S structural design, provides service by webpage to client end, and client end does not need to install additional software, and only need to possess InternetExplorer browser is addressable gas under ground piping safety monitoring system.Web server uses ICP/IP protocol bearing data storehouse server, obtain the conduit shaft Intelligent Measurement end point bit data of database server stores and combustable gas concentration, the waterlevel data of each conduit shaft, generate history curve and warning reports, form can be printed and derive; Web server can be in real time with tabular form display alarm information, the client end of the each access gas under ground piping safety monitoring system warning of can sounding while occurring reporting to the police; In the time that some conduit shafts that conduit shaft Intelligent Measurement terminal has been installed occur that combustable gas concentration exceeds standard or water level exceeds standard, Web server sends SMS Tip on default contact person's mobile phone.
Gas, waterlevel data collecting treatment circuit that described conduit shaft Intelligent Measurement terminal comprises power supply, is connected with central processing unit (CPU) input end, be connected to wireless signal transmitting device, LED light, the key press detecting circuit of central processing unit (CPU) output terminal.
Described power supply comprises large capacity 7.2V lithium cell 5 and power-switching circuit, described power-switching circuit is included as GPRS wireless module the 4V circuit 7 of power supply is provided, chip IC 2 models that this circuit uses are MIC29302,1 pin and 2 pin of IC2 link together, receive 7.2V, the 3 pin ground connection of IC2, the four pin output 4V of IC2, between the 5 pin resistance R 6 and R7 of IC2, for feeding back the 4V of output; Also comprise the 3V circuit 6 of power supply to single-chip microcomputer, gas sensitive element, signal analysis and processing circuit, level sensor element wireless module is provided, the IC3 model of the chip that this circuit uses is MCP1702-3,2 pin of IC3 meet 7.2V, the 3 pin output 3V of IC3, the 1 pin ground connection of IC3.
Described gas, the IC5 model that waterlevel data collecting treatment circuit uses are MCP6042, the 4 pin ground connection of IC5, and 8 pin of IC5 meet 3V; Level sensor element 11 is by connector assembly WAT access conduit shaft Intelligent Measurement terminal mainboard, and 2 pin of WAT meet 3V by R36, and level sensor element 1 pin connects 3 pin of IC5 by R39; 2 pin of IC5 are by R40, R41 ground connection; 1 pin of IC5 connects 48 pin of IC1 by resistance R 42; Gas sensitive element 9 is by connector assembly CGQ access conduit shaft Intelligent Measurement terminal mainboard, and 1 pin of CGQ meets 3V, the 3 pin ground connection of CGQ, and 2 pin of CGQ access 5 pin of IC5 by R49; 6 pin of IC5 are by R50 ground connection, and 6,7 pin of IC5 connect by resistance R 51, and 7 pin of IC5 connect 23 pin of IC1 by resistance R 52.
Chip IC 1 model that described central processing unit (CPU) 8 uses is PIC16F1947,6,9,20,22,25,41, the 56 pin ground connection of IC1,1,2,3 pin of IC1 are by R58 ground connection, 11,12,13,14,15,16 of IC1 passes through resistance R 57 ground connection, 17,18 pin of IC1 are by resistance R 63 ground connection, 28,29,30 pin of IC1 are by resistance R 62 ground connection, 43,44,45 pin of C1 are by resistance R 61 ground connection, 51 pin of C1 are by resistance R 60 ground connection, 59,60,63,64 pin of C1 are by resistance R 59 ground connection, and 10,19,26,38,57 pin of C1 meet 3V; 7 pin of IC1 are chip reset pin, meet 3V by resistance R 21, by capacitor C 5 ground connection; Button S1 is zeroing key, one end ground connection, and the other end meets 3V by resistance R 23 and connects 46 pin of IC1.Button S2 is demarcation key, one end ground connection, and the other end meets 3V by resistance R 24 and connects 47 pin of IC1; 46 pin of IC1 are for detection of zeroing button, and 47 pin of IC1 are for detection of demarcating button; 39,40 pin of IC1 connect the two ends of crystal oscillator JZ; 23 pin of IC1 are for detection of gas concentration, and 48 pin of IC1 are for detection of water level, and 31,32 pin of IC1 are used for controlling IC4.
Described wireless signal transmitting device comprises GPRS sender unit and explosion-resistant antenna, chip IC 4 models that described GPRS sender unit uses are MG2639,1,3,5, the 28 pin ground connection of IC4,6 pin of IC4 meet 4V, and 7 pin of IC4 meet R35, for state of a control tutorial light NET, 11,12,13,14 pin of IC4 connect 2,3,6,1 pin of SIM, be used for connecting SIM, 15,16 pin of IC4 connect respectively 32,31 pin of IC1, the communication of realization and single-chip microcomputer IC1; The collector electrode of the 24 pin connecting triode Q6 of IC4, realizes the switch control to IC4, and Q6 model is 9013, is NPN type triode, Q6 grounded-emitter connection, and Q6 base stage connects 53 pin of IC1 by resistance R 31; Described explosion-resistant antenna is connected to the antennal interface of IC4 on mainboard, and aerial head is arranged in the U-shaped groove that high road surface holds successfully.