CN202532191U - Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline - Google Patents

Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline Download PDF

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Publication number
CN202532191U
CN202532191U CN2011205690151U CN201120569015U CN202532191U CN 202532191 U CN202532191 U CN 202532191U CN 2011205690151 U CN2011205690151 U CN 2011205690151U CN 201120569015 U CN201120569015 U CN 201120569015U CN 202532191 U CN202532191 U CN 202532191U
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China
Prior art keywords
leakage monitoring
valve chamber
optical fiber
module
communication
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Expired - Fee Related
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CN2011205690151U
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Chinese (zh)
Inventor
邱红辉
谭东杰
吴琼
王立坤
孙异
胡文兴
王洪超
马云宾
王海明
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model relates to an integration leakage monitoring terminal of manual valve chamber of oil gas pipeline. Relates to the technical field of transmission systems of measured values, transmission of digital information, testing and pipeline systems which are not included in other types. The leakage monitoring device consists of a leakage monitoring unit, a power supply unit and a communication unit; the leakage monitoring unit is connected with the communication unit through an Ethernet interface; the communication unit is connected with the communication optical fiber through an optical fiber communication interface of the communication unit, and transmits the leakage monitoring data to the leakage monitoring center. The leakage monitoring unit comprises a leakage monitoring sensor and a leakage monitoring module; a data acquisition signal input interface of the leakage monitoring module is connected with the output of the leakage monitoring sensor; the leakage monitoring module is connected with the communication module through an Ethernet interface; the leakage monitoring module is provided with a time synchronization device and a device capable of realizing automatic restart after deadlock of the device. The utility model discloses collect leak detection data processing, optical fiber communication, solar energy power supply as an organic whole, have industrial level design, low power dissipation, characteristics small.

Description

The integrated leakage monitoring of the manual valve chamber of oil and gas pipes terminal
Technical field
The utility model is the integrated leakage monitoring of the manual valve chamber of a kind of oil and gas pipes terminal.Relate to transmission system, the transmission of numerical information, other type test not to be covered and the pipe-line system technical field of measuring numerical value.
Background technique
At present, the overall safety situation of China's oil and gas pipes is good, but in some areas, is that third party's pipeline damage case of principal mode also happens occasionally with the drilling hole of oil stolen.In case this type of case takes place on the oil-gas pipeline; Follow the oily deflation accident of race that takes place through regular meeting, this not only makes, and pipeline is compelled to stop failing, and influences ordinary production; And can pollute the tube circumference environment; Bring serious threat for local people's lives and properties, directly influence the crude oil production and the oil product market supply of this area, even the energy security of influence country.If stop defeated overlong time because of the repairing pipeline causes, also possibly cause pipeline to coagulate serious accidents such as pipe, loss can further enlarge.So in order in time to prevent the generation of above-mentioned situation, the leakage monitoring technology has obtained extensive use aspect pipe safety.
Along with the development of pipe technology, the distance between between field, oil and gas pipes station and RTU valve chamber and the station is increasing, and some area has surpassed at present the effective coverage range at the labour leakage monitoring system.Be head it off, feasible way is between field, station that is separated by far away and the RTU valve chamber or the indoor leakage monitoring terminal of setting up of manually operated valve between the field, station.But only just possesses the condition of power supply of communication with the RTU valve chamber at present in the field, station; And the general indoor floor space of manual valve chamber is less; If the mode according to building the RTU valve chamber is reconstructed manual valve chamber; Expropriation of land can occur and communicate by letter, the too high problem of aspect cost such as power supply, a kind of floor space of design is little, low in energy consumption, communication is stable, can realize that the leakage monitoring terminal of outwork addresses this problem so press for.
The model utility content
The purpose of the utility model is that design a kind ofly collects leakage monitoring data processing, optical fiber communication, solar poweredly has technical grade design, the integrated leakage monitoring of the manual valve chamber of oil and gas pipes low in energy consumption, that volume is a little terminal for one.
The utility model is based on the leakage monitoring terminal of Fibre Optical Communication Technology, collects leakage monitoring signal acquisition process, communications and is powered at one.It is as shown in Figure 1 that it belongs to manual valve chamber planimetric map, and 1 position, leakage monitoring terminal and links to each other with leakage monitoring sensor 2 around being arranged on pipeline 6 beyond explosion-proof district 3; Leakage monitoring terminal 1 is connected with the outer fiber optic closure 5 of valve chamber through optical fiber 4, thus the communication link at the leakage monitoring center of foundation and far-end.
Leakage monitoring terminal principle is as shown in Figure 2, and it is made up of leakage monitoring unit, power subsystem, communication unit.The leakage monitoring unit is connected through Ethernet interface with communication unit; Communication unit is connected with telecommunication optical fiber through self optical fiber communication interface, and the leakage monitoring data are passed to Surveillance center; Power subsystem is supplied power to other two unit.
Said leakage monitoring unit comprises leakage monitoring sensor, leakage monitoring module.The data acquisition signal input interface of leakage monitoring module is connected with the output of leakage monitoring sensor; The leakage monitoring module is connected through Ethernet interface with communication module; The leakage monitoring module is supplied power to spot sensor, will be digital signal from the analog signal conversion that sensor obtains simultaneously, and send it to communication module; At internal storage space, the automatically regular deletion of module meeting data early are with the saving space with institute's acquisition data storage for the leakage monitoring module; Said leakage monitoring module has the device of restarting automatically behind time synchronism apparatus and the ability implement device deadlock; The leakage monitoring module has the time synchronization function, guarantees that whole leakage monitoring is synchronous terminal time; But restart automatically behind the leakage monitoring module implement device deadlock, the data of avoiding occurring causing because of deadlock can't be gathered the situation that is uploaded to Surveillance center.
Said power subsystem comprises solar panel, storage battery and energy supply control module.The output of solar panel and storage battery connects energy supply control module, and the output of energy supply control module connects leakage monitoring module and communication module respectively; Protection of solar panel and storage battery switching controls and storage battery low-voltage and temperature compensation means are arranged in the energy supply control module.When sunshine was sufficient, energy supply control module can be selected to be the system load power supply, to be charge in batteries by solar panel, at night or overcast and rainy, also can select to be discharged to system load by storage battery; When battery discharging to the minimum voltage that limits, energy supply control module can cut off the basic load power supply automatically, with the protection storage battery, after system voltage recovers, energy supply control module according to voltage from being dynamically connected electric; Be provided with the temperature transducer that links to each other with energy supply control module in the battery box, energy supply control module can carry out temperature correction to the float charge voltage of storage battery according to battery temp.
Said communication unit comprises communication module.Communication module connects the leakage monitoring module through Ethernet interface; Communication module is connected with telecommunication optical fiber through self optical fiber communication interface, and the leakage monitoring data are passed to the leakage monitoring center.
The principle of communication unit is as shown in Figure 3, and 1#RTU valve chamber, 2#RTU and the manual valve chamber of 3# at place, integrated leakage monitoring terminal respectively have optical fiber to be connected with the B station; The leakage monitoring central station is connected with the B station by twisted-pair feeder, also can realize point-to-point the connection with the manual valve chamber of 3# through optical fiber; The manual valve chamber of 3# also can be set up communication link through optical fiber and A station, 1#RTU valve chamber.Communication module in the leakage monitoring terminal realizes system and extraneous communication function; Communication module has the Ethernet interface and the SMF Single Mode Fiber interface of full and half duplex; Can pass through the data after Ethernet interface receives the leakage monitoring resume module, and through the leakage monitoring main frame of optical fiber interface with data upload to leakage monitoring central station; Also can receive from the control information of leakage monitoring central station leakage monitoring main frame and be transmitted to the leakage monitoring module.
The installation diagram such as the Fig. 1 and shown in Figure 4 at the integrated leakage monitoring of the manual valve chamber of this oil and gas pipes terminal.1 position, leakage monitoring terminal and links to each other with leakage monitoring sensor 2 around being arranged on pipeline 6 beyond explosion-proof district 3; Leakage monitoring terminal 1 is connected with the outer fiber optic closure 5 of valve chamber through optical fiber 4, thus the communication link at the leakage monitoring center of foundation and far-end.
Leakage monitoring terminal 1 comprises solar panel 7, battery plate fixed support 8, integrated leakage monitoring terminal cabinet 9, hollow support post 10, wire outlet hole 11, cabling pipeline 12, waterproof cell jar 13, battery warmer 14, leakage monitoring sensor cable via hole 15 and optical fiber via hole 16.Leakage monitoring sensor cable and communication optical cable can enter into waterproof cell jar 13 through leakage monitoring sensor cable via hole 15 and optical fiber via hole 16; Battery warmer 14 places waterproof cell jar 13, plays the effect that keeps the normal operating temperature of storage battery; Cabling pipeline 12 and hollow support post 10 make the required cable of introducing from waterproof cell jar 13 be linked into integrated leakage monitoring terminal cabinet 9 through wire outlet hole 11, play the effect that slows down the cable aging speed; 9 pairs of leakage monitoring terminals of cabinet, integrated leakage monitoring terminal play a protective role, and avoid severse weather to influence the proper functioning at terminal; Solar panel 7 be installed on the battery plate fixed support 8 and the position towards the due south, guarantee maximum sunlight intensity irradiation.
The structure of leakage monitoring terminal pedestal of support pole and waterproof cell jar 13 such as Fig. 5, shown in Figure 6; It comprises bolt 17, pedestal flange 18, waterproof convex 19, water guide groove 20, cabling pipeline 21, via hole 22 and snap close 23, waterproof cell jar inside 24, pedestal and waterproof cell jar outer wall 25.Bolt 17 is fixed together supporting post base and pedestal flange 18; Waterproof convex 19 somewhat larger in diameter that are welded on pedestal flange 18 play further waterproof action in cabling pipeline 21; Cabling pipeline 21 lower ends are passed into 13 li of waterproof cell jars, and it is processed by the PVC material, and the wiring that wherein penetrates is played a protective role; Water guide groove 20 between pedestal and the cell jar plays the effect that ponding is directed into ground; Waterproof cell jar 13 opposite sides top feeds a plurality of via holes 22 with optical fiber and leakage monitoring sensor cable introducing waterproof cell jar 13 and arrives waterproof cell jar inner 24; On the pedestal of the both sides of waterproof cell jar lid and the waterproof cell jar outer wall 25 a plurality of snap closes 23 are arranged, play the fixedly effect of waterproof cell jar lid.
The integrated leakage monitoring of the manual valve chamber of the oil and gas pipes that the utility model proposed terminal possesses the fundamental function of conventional leakage monitoring equipment fully; And it is little to have the compact structure floor space; Characteristics such as low power consumption, the construction period is short, maintenance is convenient, adaptation wild environment are a kind of leakage monitoring terminals that meets the line leakage developing direction.
The utility model has the advantages that:
1) the utility model is satisfying at whole integrated system under the prerequisite of function requirement, compact structure, and floor space is little, satisfies the condition of installing at manual valve chamber fully, and installation and operation maintenance facility.
2) communication optical cable of the utility model use and oil and gas pipes laying in one ditch is saved the communication construction cost simultaneously to Surveillance center's transport leaks Monitoring Data.
3) the utility model adopts low-power-consumption embedded framework, and each module of terminal is low power consumption technical grade module, and working state of system is stable, and long service life can adapt to the harshest site environment requirement.
4) the utility model only needs solar cell for supplying power, and storage battery is as standby power supply, thereby the assurance system still can proper functioning at severse weather.Simultaneously energy supply control module has the accumulator protecting function, can prolong power supply working life.
Description of drawings
The integrated leakage monitoring of the manual valve chamber of Fig. 1 oil and gas pipes terminal belongs to manual valve chamber planimetric map
The integrated leakage monitoring of the manual valve chamber of Fig. 2 oil and gas pipes terminal theory diagram
The integrated leakage monitoring of the manual valve chamber of Fig. 3 oil and gas pipes terminal fiber optic Ethernet inserts schematic diagram
The integrated leakage monitoring of the manual valve chamber of Fig. 4 oil and gas pipes terminal installation diagram
The integrated leakage monitoring of the manual valve chamber of Fig. 5 oil and gas pipes terminal pedestal of support pole and cell jar side view
The integrated leakage monitoring of the manual valve chamber of Fig. 6 oil and gas pipes terminal pedestal of support pole and cell jar plan view
1-leakage monitoring terminal 2-leakage monitoring sensor wherein
3-explosion-proof district 4-optical fiber
5-fiber optic closure 6-oil and gas pipes
7-solar panel 8-battery plate fixed support
The integrated leakage monitoring of 9-terminal cabinet 10-hollow support post
11-wire outlet hole 12-cabling pipeline
13-waterproof cell jar 14-battery warmer
15-leakage monitoring sensor cable via hole 16-optical fiber via hole
17-bolt 18-pedestal flange
19-waterproof convex 20-water guide groove
21-cabling pipeline 22-via hole
The poor inwall of the anti-aqueous secondary battery of 23-snap close 24-
25-pedestal and waterproof cell jar outer wall
Embodiment
Embodiment. this example is an on-site testing system, and it mainly is made up of three parts: leakage monitoring unit (leakage monitoring sensor, leakage monitoring module), power subsystem (solar panel, storage battery, energy supply control module), communication unit (communication module).The analog signal output interface (AO) of the spot sensor in the explosion-proof area is linked into the analog input interface (AI) of leakage monitoring module; The digital signal output interface (RJ45) of leakage monitoring module is connected with communication module; The optical fiber communication interface of communication module is handled with the special optic fibre of being drawn by communication optical cable welding mutually, the leakage monitoring main frame that the leakage monitoring digital signal data is sent to Surveillance center; Solar panel is connected with energy supply control module with storage battery, and energy supply control module links to each other with communication module with the leakage monitoring module through power line.
The design and installation figure of present embodiment is as shown in Figure 4.The transmission of leakage monitoring sensor signal enters into waterproof cell jar 13 with communication optical cable leakage monitoring sensor cable via hole 15 and optical fiber via hole 16 with belted type cable after removing armour; Bundle with ground wire, storage battery cable and battery warmer 14 temperature sensor signal lines then and get into cabling pipeline 12; Pass hollow support post 10, at last through being linked into integrated leakage monitoring terminal cabinet 9 behind the wire outlet hole 11; The solar panel 7 that is supported by battery plate fixed support 8 directly is linked into integrated leakage monitoring terminal cabinet 9 through power line; Hollow support post 10 is installed on the pedestal flange 18, utilizes bolt 17 to fix; Cell jar is covered on waterproof cell jar 13, fix at snap close 23 places then.
Present embodiment stable operation 1 year, following function is normal through testing:
1. leakage monitoring function
Keep watch on destroying the oil and gas pipeline leakage incident that causes by third parties such as drilling hole of oil stolen, illegal excavations;
2. historical data hold function
Can store the historical data of 2G;
3. non-maintaining function
The leakage monitoring terminal is in proper working order all the time;
4. power supply function of supplying power
If continuous rainy weather occurs, but system's proper functioning 15 days;
5. communication function
The data communication that realizes leakage monitoring terminal and center host is normal.
Field experiment through 1 year; The integrated leakage monitoring of the manual valve chamber of oil and gas pipes terminal is suitable with the conventional leakage monitoring system effect of using at the RTU valve chamber, the pervasive scheme of the economic and reliable that this scheme is a kind of advanced technology, transform adaptable across the manual valve chamber of leakage monitoring system.

Claims (4)

1. the integrated leakage monitoring of the manual valve chamber of an oil and gas pipes terminal comprises leakage monitoring unit, power subsystem, communication unit; The leakage monitoring unit is connected through Ethernet interface with communication unit; Communication unit is connected with telecommunication optical fiber through self optical fiber communication interface, and the leakage monitoring data are passed to the leakage monitoring center; Power subsystem is supplied power to other two unit; It is characterized in that the leakage monitoring unit comprises leakage monitoring sensor, leakage monitoring module; The data acquisition signal input interface of leakage monitoring module is connected with the output of leakage monitoring sensor; The leakage monitoring module is connected through Ethernet interface with communication module; Said leakage monitoring module has the device of restarting automatically behind time synchronism apparatus and the ability implement device deadlock;
The leakage monitoring module is supplied power to spot sensor, will be digital signal from the analog signal conversion that sensor obtains simultaneously, and send it to communication module; At internal storage space, the automatically regular deletion of module data early are to save the space with institute's acquisition data storage for the leakage monitoring module.
2. the integrated leakage monitoring of the manual valve chamber of oil and gas pipes according to claim 1 terminal; It is characterized in that its mounting structure is: position, leakage monitoring terminal (1) in explosion-proof district (3) in addition, and be arranged on oil and gas pipes (6) leakage monitoring sensor (2) on every side and link to each other; Leakage monitoring terminal (1) is connected with the outer fiber optic closure (5) of valve chamber through optical fiber (4);
Leakage monitoring terminal (1) comprises solar panel (7), battery plate fixed support (8), integrated leakage monitoring terminal cabinet (9), hollow support post (10), wire outlet hole (11), cabling pipeline (12), waterproof cell jar (13), battery warmer (14), leakage monitoring sensor cable via hole (15) and optical fiber via hole (16); Leakage monitoring sensor cable and communication optical cable enter into waterproof cell jar (13) through leakage monitoring sensor cable via hole (15) and optical fiber via hole (16); Battery warmer (14) places waterproof cell jar (13); Cabling pipeline (12) and hollow support post (10) make the required cable of introducing from waterproof cell jar (13) be linked into integrated leakage monitoring terminal cabinet (9) through wire outlet hole (11); Solar panel (7) is installed in the last also position of battery plate fixed support (8) towards the due south.
3. the integrated leakage monitoring of the manual valve chamber of oil and gas pipes according to claim 1 terminal is characterized in that the principle of communication unit is: 1#RTU valve chamber, 2#RTU and the manual valve chamber of 3# at place, integrated leakage monitoring terminal respectively have optical fiber to be connected with the B station; The leakage monitoring central station is connected with the B station by twisted-pair feeder, also can realize point-to-point the connection with the manual valve chamber of 3# through optical fiber; The manual valve chamber of 3# also can be set up communication link through optical fiber and A station, 1#RTU valve chamber;
Communication module with Ethernet interface and SMF Single Mode Fiber interface of full and half duplex, through the data after the Ethernet interface reception leakage monitoring resume module, and through the leakage monitoring main frame of optical fiber interface with data upload to leakage monitoring central station; Or receive from the control information of leakage monitoring central station leakage monitoring main frame and be transmitted to the leakage monitoring module.
4. the integrated leakage monitoring of the manual valve chamber of oil and gas pipes according to claim 2 terminal is characterized in that said waterproof cell jar (13) comprises bolt (17), pedestal flange (18), waterproof convex (19), water guide groove (20), cabling pipeline (21), via hole (22) and snap close (23), waterproof cell jar inwall (24), pedestal and waterproof cell jar outer wall (25); Bolt (17) is fixed together supporting post base and pedestal flange (18); Waterproof convex (19) somewhat larger in diameter that is welded on pedestal flange (18) is in cabling pipeline (21); Cabling pipeline (21) lower end is passed into waterproof cell jar (13) lining of being processed by the PVC material; Water guide groove (20) is arranged between pedestal and the cell jar; Waterproof cell jar (13) opposite side top feeds a plurality of via holes (22) with optical fiber and leakage monitoring sensor cable introducing waterproof cell jar (13) and arrives waterproof cell jar inwall (24); On the pedestal of waterproof cell jar lid both sides and the waterproof cell jar outer wall (25) a plurality of snap closes (23) are arranged.
CN2011205690151U 2011-12-30 2011-12-30 Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline Expired - Fee Related CN202532191U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185201A (en) * 2011-12-30 2013-07-03 中国石油天然气股份有限公司 Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline
CN103836346A (en) * 2014-02-24 2014-06-04 中国海洋石油总公司 Underwater natural gas pipeline connector leakage monitoring system
CN106764466A (en) * 2016-11-22 2017-05-31 北京科创三思科技发展有限公司 Built-in solar cell flame-proof type remote wireless data collection substation RTU

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185201A (en) * 2011-12-30 2013-07-03 中国石油天然气股份有限公司 Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline
CN103185201B (en) * 2011-12-30 2015-12-02 中国石油天然气股份有限公司 Integrated leakage monitoring terminal for manual valve chamber of oil-gas pipeline
CN103836346A (en) * 2014-02-24 2014-06-04 中国海洋石油总公司 Underwater natural gas pipeline connector leakage monitoring system
CN106764466A (en) * 2016-11-22 2017-05-31 北京科创三思科技发展有限公司 Built-in solar cell flame-proof type remote wireless data collection substation RTU

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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: 20121114

Termination date: 20201230

CF01 Termination of patent right due to non-payment of annual fee