gas pipeline anti-damage early warning systemTechnical Field
The utility model relates to a gas pipe network technical field especially relates to kinds of gas pipeline damage prevention early warning system.
Background
At present, gas pipelines are mostly buried underground pipelines, and through the position of marks such as ground marks, the pipeline can not be directly observed by naked eyes, and the road surface excavation construction, because the underground can not be known in time such as far away from the marks during construction operations such as drilling, there is gas pipeline, can cause destruction to buried gas pipelines, causes the gas to leak, probably causes incident etc. and causes great influence.
At the present stage, a manual line patrol mode is mainly adopted to patrol the gas pipeline, construction operation behaviors are found around the gas pipeline, early warning is timely given out, and the gas pipeline is prevented from being damaged by the construction operation behaviors. However, manual inspection is performed periodically, which cannot be performed for 24 hours, and due to time difference, construction operation behaviors around the gas pipeline cannot be found in time, and damage to the gas pipeline caused by the construction operation behaviors cannot be effectively prevented.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide gas pipeline anti-destruction early warning systems of real-time detection and timely early warning all the day.
The utility model adopts the technical proposal that:
gas pipeline prevents destroying early warning system, including destroying detection device, transmission control device, alarm device and total control backstage system, destroy detection device and install in the region of locating of gas pipeline, destroy the contrast identification module and the signal output part that is provided with the frequency and the wave band of analysis sound, vibrations on the detection device, transmission control device is equipped with the signal reception end that is connected with the signal output part who destroys detection device, carry out signal exchange through remote communication's mode between total control backstage system and the transmission control device, alarm device sets up by destroying detection device's position of locating, alarm device's signal input part is connected with transmission control device's signal output part.
as the utility model discloses technical scheme's improvement, destroy detection device and include sound detection device, vibrations detection device and signal contrast identification module, pass through the connection of electric lines respectively between sound detection device, vibrations detection device and the signal contrast identification module.
step as the utility model discloses technical scheme's improvement, sound detection device is sound sensor, vibrations detection device is vibrations sensor, sound detection device and vibrations sensing device overlap respectively outward and have protector.
as the utility model discloses technical scheme's improvement, transmission control device includes control module, communication module, carry out data interchange through the signal of telecommunication between communication module and the control module, control module links to each other with signal contrast identification module, alarm device signal.
the improvement of the utility model, the communication module adopts wireless transmitter-receiver.
step is taken as the improvement of the utility model, the signal comparison and identification module and the control module are intelligent controllers, the memories of the intelligent controllers are respectively provided with signal banks, and the signals in the signal banks can be updated.
step is taken as the improvement of the technical proposal of the utility model, the master control background system updates the signals in the signal libraries of each control module through the communication module transmission information.
the improvement of the utility model discloses technical scheme, total control backstage system is computer control center, computer control center handles the analysis and feeds back early warning information and geographical position information to the signal of receiving.
the utility model discloses a technical scheme's improvement, alarm device is audible-visual annunciator.
The utility model has the advantages that: this gas pipeline prevents destroying early warning system, its destroy detection device utilizes sound, vibrations to detect and contrast identification technique, and the two is supplementary each other, discerns and fixes a position the construction action around the gas pipeline, sends the signal to corresponding alarm device and reports to the police after the analysis and treatment through total control backstage system, can detect in all weather, and the early warning is more timely, has reduced the degree of difficulty and the time of artifical passive investigation, has reduced the destroyed probability of gas pipeline.
Drawings
The present invention is further described in with reference to the following drawings:
fig. 1 is a block diagram of the gas pipeline anti-damage early warning system of the present invention.
Detailed Description
Referring to fig. 1, the utility model discloses an gas pipeline prevents destroying early warning system, including destroying detection device 1,transmission control device 2,alarm device 3 and total control backstage system 4, destroy detection device 1 and install in the region of locating of gas pipeline, destroy the contrast identification module and the signal output part that are provided with the analysis sound on detection device 1, the frequency of vibrations and wave band,transmission control device 2 is equipped with the signal reception end that is connected with the signal output part who destroys detection device 1, carry out signal exchange through remote communication's mode between total control backstage system 4 and thetransmission control device 2,alarm device 3 sets up by destroying the position of locating of detection device 1,alarm device 3's signal input part is connected withtransmission control device 2's signal output part, in the same system, destroy detection device 1,transmission control device 2 andalarm device 3 are equipped with a plurality of groups, by controlling with total control backstage system 4.
According to the anti-damage early warning system for the gas pipeline, a damage detection device 1 utilizes sound and vibration detection and comparison identification technologies which are mutually assisted to identify and position construction behaviors around the gas pipeline, sends signals to acorresponding alarm device 3 to give an alarm after being analyzed and processed by a master control background system 4, can carry out all-weather detection, is more timely in early warning, reduces difficulty and time of manual passive investigation and reduces the probability of damage to the gas pipeline, and in the scheme, the sound and vibration are selected to be adopted to jointly identify damage to the construction behaviors, so that the error early warning and waste of manpower and material resources are caused only by the fact that sound or vibration indexes reflect whether the ground in the area where the gas pipeline is located is damaged or not, and when the sound and vibration are used together, damage threat to the pipeline is really indicated when the amplitudes of the sound and vibration exceed a preset threshold, and the early warning is more accurate.
As the preferred embodiment of the present invention, the damage detection device 1 includes asound detection device 12, avibration detection device 13 and a signal comparison andidentification module 11, thesound detection device 12, thevibration detection device 13 and the signal comparison andidentification module 11 are connected by wires, respectively, in this embodiment, thesound detection device 12 and thevibration detection device 13 are connected with different signal comparison andidentification modules 11, step is performed, thesound detection device 12 employs a sound sensor, thevibration detection device 13 is a vibration sensor, the vibration sensor employs a piezoelectric acceleration sensor, step is optimized, thesound detection device 12 and thevibration detection device 13 are respectively sleeved with a protection device, the protection device employs a waterproof breathable film, a metal protective shell and an explosion-proof box according to different actual installation positions, step is performed as a preferred mode, eachsound detection device 12 employs a microphone, the receiver is used as the signal comparison andidentification module 11 connected with the microphone, during actual operation, the output signal of the microphone is transmitted to the receiver, the receiver performs frequency selection output through a frequency selection circuit therein, and then whether the frequency selection circuit exceeds the threshold value, and whether the output signal is within a preset frequency range can be judged.
As the utility model discloses preferred embodiment, transmission controllingmeans 2 includescontrol module 21,communication module 22, carry out data exchange through the signal of telecommunication betweencommunication module 22 and thecontrol module 21,control module 21 links to each other with signal contrast identification module,alarm device 3 signal advancing step by step,communication module 22 adopts wireless transceiver, utilizes wireless network mode to carry out signal transmission exchange with total control backstage system 4, also available wired connection's mode links to eachother communication module 22 with total control backstage system 4.
As the preferred embodiment of the present invention, the signal comparing and identifyingmodule 11 and thecontrol module 21 are intelligent controllers, the memories of the intelligent controllers are respectively stored with signal libraries, the signals in the signal libraries include collected sound and vibration signals of operating devices such as excavators and pile drilling, and the signals in the signal libraries can be updated, and step, the general control background system 4 transmits information through thecommunication module 22 to update the signals in the signal libraries of thecontrol modules 21.
As the utility model discloses preferred embodiment, total control backstage system 4 is computer control center, and this computer control center utilizes relevant software system to handle the analysis back to the signal of receiving, combines the prestoring data of system to make corresponding result, and feedback early warning information and geographical position information react to thecontrol module 21 that corresponds the position throughcommunication module 22, and thewarning device 3 sends alarm signal bycontrol module 21 commander at last, reminds relevant staff to make the reply decision-making.
As a preferred embodiment of the present invention, thealarm device 3 is an audible and visual alarm.
In this embodiment, each sound sensor and each vibration sensor are respectively installed in a pipeline valve well and a pipeline marker pile in an area where a gas pipeline is located, or even on a fixed facility around the pipeline, such as a street lamp, a bridge, or the like. Since the frequency and the wave band of the sound and the vibration generated by the vehicle passing by and the like are different from the construction operation behaviors such as road excavation and the like, the sound sensor or the vibration sensor can analyze the type and the source of the sound according to the frequency matching degree and the wave band and timely master the behavior state of the road construction operation. Two or more than twosound detection devices 12 andvibration detection devices 13 are distributed at the positions of the gas pipelines, so that sound sources and vibration sources are accurately identified and differentially positioned, the positions of construction operation behaviors can be known more timely, and the positions of the known pipelines are compared, so that accurate early warning is performed.
The gas pipeline damage prevention early warning system can also be used for carrying out damage early warning of public facilities in the region where the gas pipeline is located caused by other behaviors except construction, and monitoring and early warning of construction behaviors and other damage behaviors can be realized only by adding corresponding frequency and wave band information of sound or vibration into signal databases of the signalcomparison identification module 11 and thecontrol module 21 and adding prestored data into a system database of the master control background system 4, so that the safety of the gas pipeline and the surrounding public facilities is improved more effectively.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.