CN209000188U - The long defeated pipe network gas leakage alarm safety monitoring system of natural gas - Google Patents

Abstract

The utility model belongs to the long defeated pipe network field of natural gas, proposes a kind of long defeated pipe network gas leakage alarm safety monitoring system of natural gas.Including multiple intelligent monitoring and controlling devices of different location and the remote terminal integrated equipment that backstage is arranged on the defeated gas ductwork of length is arranged in, intelligent monitoring and controlling device is connect by GPRS network with remote terminal integrated equipment wireless two-way communication, intelligent monitoring and controlling device includes gas concentration monitoring instrument, water level sensor, temperature sensor, analog to digital conversion circuit, single-chip microcontroller, first sound and light alarm module, power module and GPRS communication module, the output end of gas concentration monitoring instrument is connect with analog to digital conversion circuit, the output end of analog to digital conversion circuit is connect with single-chip microcontroller, the output end of single-chip microcontroller is connect with the first sound and light alarm module, the input/output terminal of single-chip microcontroller is connect with GPRS communication module.The utility model can constantly monitor the long defeated pipe network of natural gas, and accident is prevented.

Description

The long defeated pipe network gas leakage alarm safety monitoring system of natural gas

Technical field

The utility model belongs to the long defeated pipe network field of natural gas, and in particular to a kind of long defeated pipe network gas leakage report of natural gas Alert safety monitoring system.

Background technique

With the development of the new energy such as natural gas, the long defeated pipe network of combustion gas has been laid to each resident, long defeated pipeline distribution Range is wide, and artificially constantly inspection is unrealistic, and causes to fire because a variety of causes inevitably will appear pipeline break in day-to-day operation The case where gas leakage, need to find in time simultaneously to avoid combustion gas leakage accumulation for a long time from causing major accident at gas leakage initial stage It takes measures, by adding fuel gas leak alarm systems, in slight leakage, that is, capable of emitting alarm, accident is eliminated in rudiment shape State, it is ensured that long defeated pipe network operation is normal.

Utility model content

The utility model overcomes the shortcomings of the prior art, technical problem to be solved are as follows: provides a kind of natural gas Long defeated pipe network gas leakage alarm safety monitoring system.

In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: long defeated pipe network combustion of natural gas Gas leakage alarm security monitoring system, including multiple intelligent monitoring and controlling devices of different location on the defeated gas ductwork of length are arranged in and set The remote terminal integrated equipment on backstage is set, the intelligent monitoring and controlling device is wireless by GPRS network and remote terminal integrated equipment Two-way communication link, the intelligent monitoring and controlling device include gas concentration monitoring instrument, water level sensor, temperature sensor, modulus turn Change circuit, single-chip microcontroller, the first sound and light alarm module, power module and GPRS communication module, the gas concentration monitoring instrument it is defeated Outlet is connect with analog-digital conversion circuit as described, and the output end of analog-digital conversion circuit as described is connect with the single-chip microcontroller, the monolithic The output end of machine is connect with first sound and light alarm module, the input/output terminal of the single-chip microcontroller and the GPRS communication module Connection, the gas concentration monitoring instrument, water level sensor and temperature sensor are respectively used in the long defeated gas ductwork environment of monitoring Methane gas concentration, water level parameters and temperature parameter, and sent after being converted to digital signal by analog-digital conversion circuit as described To the single-chip microcontroller, the single-chip microcontroller is used to its being uploaded to the remote terminal by the GPRS communication module to integrate and set It is standby.

The multiple intelligent monitoring and controlling device is separately positioned in the ground well on long defeated gas ductwork, at each pressure regulation facility and Pipeline institute through severe geological conditions at.

A kind of natural gas grows defeated pipe network gas leakage alarm safety monitoring system, further includes and the remote terminal The alarm module of integrated equipment connection, the alarm module include the second sound and light alarm module and short message alarm module.

The utility model has the advantages that the utility model proposes a kind of natural gas is long compared with prior art Defeated pipe network gas leakage alarm safety monitoring system, by the long defeated pipe network of natural gas at each ground well and the tune of each head end end It presses and intelligent monitoring and controlling device is set at equipment and each key position, the long defeated pipe network of natural gas is constantly monitored, is being occurred slightly When leakage, that is, capable of emitting alarm to dispose in time prevents accident.The burden of operating personnel is largely alleviated, More ensure that pipe network long-term safety is run simultaneously.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of long defeated pipe network gas leakage alarm safety monitoring system of natural gas structure Schematic diagram；

Fig. 2 is the structural schematic diagram of intelligent monitoring and controlling device in the utility model.

Specific embodiment

It, below will be to the utility model to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Technical solution in embodiment is clearly and completely described, it is clear that described embodiment is a part of the utility model Embodiment, instead of all the embodiments；Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.

As shown in Figure 1, the utility model embodiment provides a kind of long defeated pipe network gas leakage alarm safety prison of natural gas Control system, including multiple intelligent monitoring and controlling devices of different location and the long-range end that backstage is arranged on the defeated gas ductwork of length is arranged in Integrated equipment is held, the intelligent monitoring and controlling device is connect by GPRS network with remote terminal integrated equipment wireless two-way communication.Its In, the multiple intelligent monitoring and controlling device is separately positioned in the ground well on long defeated gas ductwork, at each pressure regulation facility and pipeline Institute through severe geological conditions at.

As shown in Fig. 2, the intelligent monitoring and controlling device includes gas concentration monitoring instrument, water level sensor, temperature sensor, mould Number conversion circuit, single-chip microcontroller, power module and GPRS communication module, the power module is for powering；The gas density prison The output end for surveying instrument is connect with analog-digital conversion circuit as described, and the output end of analog-digital conversion circuit as described is connect with the single-chip microcontroller, The output end of the single-chip microcontroller is connect with first sound and light alarm module, the input/output terminal of the single-chip microcontroller and the GPRS Communication module connection, the gas concentration monitoring instrument, water level sensor and temperature sensor are respectively used to the long defeated fuel gas conduit of monitoring Methane gas concentration, water level parameters and temperature parameter in net environment, and digital letter is converted to by analog-digital conversion circuit as described The single-chip microcontroller is sent to after number, the single-chip microcontroller will be for that will be uploaded to the remote terminal collection by the GPRS communication module Forming apparatus.The single-chip microcontroller is also used to communicate when gas concentration monitoring instrument detectable concentration is beyond alarming value by the GPRS Module sends alarm signal to remote terminal integrated equipment, and first sound and light alarm module is driven to alarm.

Wherein, in the present embodiment, gas concentration monitoring instrument can select the intelligent gas alarm of model QB2000N； Water level sensor can select the contactless liquid level sensors such as model Xiamen Wu Disi electronic ultrasonic fuel level sensor, temperature Degree sensor can select Brady temperature sensor, the A/D module for the model AD7705 that analog to digital conversion circuit can be selected, Single-chip microcontroller can select Inte18051 serial, and power module can select love Pu electronics WA3-A3 series, and GPRS communication module can To select the communication module of prompt wheat G300 type.

In addition, as shown in Figure 1, a kind of long defeated pipe network gas leakage alarm peace of natural gas provided by the embodiment of the utility model Full monitoring system, further includes the alarm module connecting with the remote terminal integrated equipment, and the alarm module includes the rising tone Light alarm module and short message alarm module.In addition, alarm module can also include that phone transfers to module, the short message alarm module Transfer to module that alarm number can be freely set with phone.When receiving the alarm signal that the intelligent monitoring and controlling device is sent, institute It states remote terminal integrated equipment and drives the second sound and light alarm module warning reminding background monitoring personnel note that simultaneously, it is described Short message alarm module or phone transfer to module to send short message to corresponding number or make a phone call, to contain that combustion gas is let out in time Leakage, prevents the generation of major accident.

The working principle of the utility model is as follows: live intelligent monitoring and controlling device uses multi-sensor technology and wireless remote transmission Technology has carried out low power dissipation design.Intelligent monitoring and controlling device can be monitored gas concentration, water level, the temperature etc. in environment, and Data be will test by GPRS network wireless backhaul to remote terminal integrated equipment, realize that round-the-clock all the period of time monitors, in data Report achievement can, in pipe network gas leakage can occur for the single-chip microcontroller in intelligent monitoring and controlling device, and gas concentration monitoring instrument detectable concentration is super Out when alarming value, alarm signal is sent to remote terminal integrated equipment；Sound-light alarm mould is provided in remote terminal integrated equipment Block and short message alarm module can issue sound and light alarm signal by sound and light alarm module, simultaneously when receiving alarm signal It prompts related personnel to repair by short message alarm module, realizes instant alarming function.In addition, intelligent monitoring and controlling device can be with Self-test is carried out to equipment cells electricity, network signal, sensor states etc., and abnormal signal is sent to remote terminal collection Forming apparatus.Moreover, by wireless two-way communication, remote terminal integrated equipment can remotely located intelligent monitoring and controlling device on demand detection The operating parameters such as time, interval, alarm threshold value.

The utility model has provided a kind of long defeated pipe network gas leakage alarm safety monitoring system of natural gas, intelligent monitoring Device can be widely used for the ring of the underground installations such as gas valve pit, power cable ditch, rain dirt well, tunnel, piping lane without wiring Border monitoring.And the intelligent monitoring and controlling device can be with the combustable gas concentration data of real-time report monitoring point, can be when short as far as possible Between be supplied to administrative staff, provide foundation for administrative decision.Intelligent monitoring and controlling device is carried out data transmission using mobile data network, Realize that wide coverage, transmission speed are fast, safe and reliable.The data that intelligent monitoring and controlling device can not only realize terminal to backstage pass Defeated communication, moreover it is possible to send and order to terminal from distal end backstage, change the time interval for sending data, the change etc. of IP address makes The maintenance personnel scene of not using can be realized as the maintenance to equipment, greatly reduces the cost of manual maintenance, improves work Efficiency.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (3)

1. a kind of long defeated pipe network gas leakage alarm safety monitoring system of natural gas, which is characterized in that including being separately positioned on length Multiple intelligent monitoring and controlling devices on defeated gas ductwork different location and the remote terminal integrated equipment that backstage is set, the intelligence Monitoring device is connect by GPRS network with remote terminal integrated equipment wireless two-way communication, and the intelligent monitoring and controlling device includes watt This concentration monitor, water level sensor, temperature sensor, analog to digital conversion circuit, single-chip microcontroller, the first sound and light alarm module, power supply The output end of module and GPRS communication module, the gas concentration monitoring instrument is connect with analog-digital conversion circuit as described, the modulus The output end of conversion circuit is connect with the single-chip microcontroller, and the output end of the single-chip microcontroller and first sound and light alarm module connect It connects, the input/output terminal of the single-chip microcontroller is connect with the GPRS communication module, the gas concentration monitoring instrument, water level sensor It is respectively used to methane gas concentration, water level parameters and the temperature parameter in the long defeated gas ductwork environment of monitoring with temperature sensor, And be converted to by analog-digital conversion circuit as described and be sent to the single-chip microcontroller after digital signal, the single-chip microcontroller is for being passed through The GPRS communication module is uploaded to the remote terminal integrated equipment.

2. the long defeated pipe network gas leakage alarm safety monitoring system of a kind of natural gas according to claim 1, feature exist It is separately positioned in the ground well on long defeated gas ductwork in, the multiple intelligent monitoring and controlling device, at each pressure regulation facility and pipeline Institute through severe geological conditions at.

3. the long defeated pipe network gas leakage alarm safety monitoring system of a kind of natural gas according to claim 1, feature exist In further including the alarm module being connect with the remote terminal integrated equipment, the alarm module includes the second sound-light alarm mould Block and short message alarm module.