CN203686592U - Buried gas pipeline leakage detector - Google Patents
Buried gas pipeline leakage detector Download PDFInfo
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- CN203686592U CN203686592U CN201320813450.3U CN201320813450U CN203686592U CN 203686592 U CN203686592 U CN 203686592U CN 201320813450 U CN201320813450 U CN 201320813450U CN 203686592 U CN203686592 U CN 203686592U
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- module
- gas pipeline
- amplifier
- master controller
- leakage detector
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Abstract
The utility model relates to a buried gas pipeline leakage detector which is mainly and technically characterized by comprising a main controller, a GPS (Global Positioning System) module, a wireless communication module, an ADC (Analog To Digital Converter) conversion module, an amplifier and two sensors, wherein the sensors are mounted on the outer wall of a gas pipeline; the main controller is connected with the ADC conversion module and the amplifier; the amplifier carries out amplification processing on signals acquired by the sensors under the control of the main controller and the amplified signals are subjected to analog-to-digital conversion by the ADC conversion module and then are transmitted to the main controller; the main controller is connected with the GPS module to implement accurate positioning and time synchronization functions; and the main controller is connected with a remote controller by the wireless communication module to realize a remote communication function. The buried gas pipeline leakage detector is reasonably designed, improves detection sensitivity and positioning accuracy and effectively prevents accidents; and meanwhile, remote real-time high-efficiency finding of a leakage source and the position thereof on the buried gas pipeline can be implemented.
Description
Technical field
The utility model belongs to Detection Technique of Gas Pipeline field, especially a kind of buried fuel gas pipeline leakage detector.
Background technique
At present, gas pipeline is one of critical facility of urban Underground pipeline, provides important assurance for producing and living.Existing gas pipeline is embedded in underground conventionally, and gas pipeline adopts cast-iron pipe, steel pipe or PE pipe etc. conventionally.Can produce because gas pipeline uses for a long time the phenomenon of revealing, if can not find in time, will cause gas accidents, cause casualties and economic loss.At present, gas pipeline leak detection equipment ubiquity testing precision low, can not be fast to problems such as source of leaks position.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, testing precision is high and the buried fuel gas pipeline leakage detector that can locate fast.
The utility model solves existing technical problem and takes following technological scheme to realize:
A kind of buried fuel gas pipeline leakage detector, comprise master controller, GPS module, wireless communication module, ADC modular converter, amplifier and two sensors, described installation of sensors is on the outer wall of gas pipeline, described master controller is connected with ADC modular converter and amplifier, this amplifier amplifies processing to the signal of sensor collection under the control of master controller, signal after amplification sends master controller to after ADC modular converter carries out analog-to-digital conversion, described master controller is connected with GPS module and realizes accurately location and time synchronization function, described master controller is connected and realizes remote communicating function with remote controllers by wireless communication module.
And, described master controller comprises CPU module, CPLD module, supply module, real-time clock, FLASH storage, RAM storage, described CPU module is connected with CPLD module, supply module, real-time clock, USB interface, FLASH storage, RAM storage, supply module is the modules power supply in master controller, and this CPU module is connected with outside GPS module, wireless communication module; Described CPLD module is connected with CPU module, FLASH storage, RAM storage, and this CPLD module is connected with outside ADC modular converter, amplifier.
And described CPU module also connects a usb interface module.
And described amplifier is connected and composed by prime amplifier and main amplifier, prime amplifier is connected mutually with sensor, and main amplifier is connected with ADC modular converter.
And described wireless communication module is 3G module or WIFI module.
Advantage of the present utility model and good effect are:
This practical design is reasonable, and it gathers being arranged on gas pipeline upper sensor by master controller, can effectively detect gas pipeline and whether have leakage, has improved detection sensitivity and positioning precision, effectively trouble-saving generation; State-detection data can be uploaded in remote controllers by wireless communication networks simultaneously, the function such as leakage and off-line Leak testtion that long-range real-time online remote control detects Urban Buried Gas Pipeline can be realized, the source of leaks and the position thereof that on buried gas pipeline, exist can be found real-time and efficiently.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described.
A kind of buried fuel gas pipeline leakage detector, as shown in Figure 1, comprise master controller, GPS module, wireless communication module, ADC modular converter, amplifier and two sensors, master controller respectively with GPS module, wireless communication module, ADC modular converter and amplifier are connected, two described installation of sensors on the outer wall of gas pipeline for detection of the leakage signal of gas pipeline, the output signal of two sensors is connected on amplifier, amplifier amplifies processing to sensor signal under the control of master controller, this amplifier is made up of prime amplifier and main amplifier, prime amplifier carries out by main amplifier, sensor signal being amplified to processing again after pretreatment to sensor signal, signal after amplification sends master controller to after ADC modular converter carries out analog-to-digital conversion, master controller is connected with GPS module and realizes accurately location and time synchronization function, master controller is connected and is realized and the communication function of remote controllers by wireless communication module, described wireless communication module can adopt 3G module, WIFI module and remote controllers carry out communication, realize the status information transmission of this Check point to the order of remote controllers or receiving remote controller the function of working under the control of remote controllers.
In the present embodiment, master controller comprises CPU module, CPLD module, supply module, real-time clock RTC, usb interface module, FLASH storage, RAM storage, described CPU module is connected with CPLD module, supply module, real-time clock RTC, USB interface, FLASH storage, RAM storage, supply module is the modules power supply in master controller, this CPU module is connected and realizes locating function and wireless remote communication function with outside GPS module, wireless communication module, and CPU can also realize remote communicating function by USB interface simultaneously; Described CPLD module is connected with CPU module, FLASH storage, RAM storage, and this CPLD module is connected with ADC modular converter, prime amplifier and main amplifier.
In the present embodiment, in order to improve pipe detection sensitivity and positioning precision, adopt two sensors are installed on gas pipeline outer surface, in sensor, use multiple lithium niobate ceramic chips by the output in parallel signal collecting; Simultaneously by balancing weight by be originally placed on piezoelectric constant above, change into and hanging on cantilever, make the shearing type piezoelectric constant make a part for cantilever, thereby improved the sensitivity detecting.Meanwhile, the locating function of main controller by GPS module and GPS time service function realize the time synchronization function of acquisition module, and master controller, according to according to the relation of the velocity of sound, time and distance, carries out real-time velocity of sound demarcation automatically, thereby improves pipe leakage positioning precision.
The utility model is in the time of application, the collection of buried fuel gas pipeline leakage detector is arranged on gas pipeline outer wall upper sensor data, buried fuel gas pipeline leakage detector at certain area sends to remote controllers by wifi network or GPS network by the status information of gas pipeline, realizes extensive multipoint leakage measuring ability; Simultaneously, these remote controllers are connected on internet, the computer of operator and administrative staff/leader internet on a connection in monitoring chamber or global any place gets final product the leakage situation of Real Time Observation to the buried pipeline network in whole city, once identify problems and timely remedy, can effectively prevent the generation of serious accident.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every other mode of executions that drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope that the utility model is protected equally.
Claims (5)
1. a buried fuel gas pipeline leakage detector, it is characterized in that: comprise master controller, GPS module, wireless communication module, ADC modular converter, amplifier and two sensors, described installation of sensors is on the outer wall of gas pipeline, described master controller is connected with ADC modular converter and amplifier, this amplifier amplifies processing to the signal of sensor collection under the control of master controller, signal after amplification sends master controller to after ADC modular converter carries out analog-to-digital conversion, described master controller is connected with GPS module and realizes accurately location and time synchronization function, described master controller is connected and realizes remote communicating function with remote controllers by wireless communication module.
2. buried fuel gas pipeline leakage detector according to claim 1, it is characterized in that: described master controller comprises CPU module, CPLD module, supply module, real-time clock, FLASH storage, RAM storage, described CPU module is connected with CPLD module, supply module, real-time clock, USB interface, FLASH storage, RAM storage, supply module is the modules power supply in master controller, and this CPU module is connected with outside GPS module, wireless communication module; Described CPLD module is connected with CPU module, FLASH storage, RAM storage, and this CPLD module is connected with outside ADC modular converter, amplifier.
3. buried fuel gas pipeline leakage detector according to claim 2, is characterized in that: described CPU module also connects a usb interface module.
4. according to the buried fuel gas pipeline leakage detector described in claims 1 to 3 any one, it is characterized in that: described amplifier is connected and composed by prime amplifier and main amplifier, prime amplifier is connected mutually with sensor, and main amplifier is connected with ADC modular converter.
5. according to the buried fuel gas pipeline leakage detector described in claims 1 to 3 any one, it is characterized in that: described wireless communication module is 3G module or WIFI module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813450.3U CN203686592U (en) | 2013-12-11 | 2013-12-11 | Buried gas pipeline leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813450.3U CN203686592U (en) | 2013-12-11 | 2013-12-11 | Buried gas pipeline leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686592U true CN203686592U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320813450.3U Expired - Fee Related CN203686592U (en) | 2013-12-11 | 2013-12-11 | Buried gas pipeline leakage detector |
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| Country | Link |
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| CN (1) | CN203686592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848579A (en) * | 2019-11-28 | 2020-02-28 | 安徽理工大学 | Buried gas pipeline leakage source positioning device and algorithm |
-
2013
- 2013-12-11 CN CN201320813450.3U patent/CN203686592U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848579A (en) * | 2019-11-28 | 2020-02-28 | 安徽理工大学 | Buried gas pipeline leakage source positioning device and algorithm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |