CN2622691Y - Radio terminal device for leakage detection of oil delivery pipeline - Google Patents
Radio terminal device for leakage detection of oil delivery pipeline Download PDFInfo
- Publication number
- CN2622691Y CN2622691Y CN 03212943 CN03212943U CN2622691Y CN 2622691 Y CN2622691 Y CN 2622691Y CN 03212943 CN03212943 CN 03212943 CN 03212943 U CN03212943 U CN 03212943U CN 2622691 Y CN2622691 Y CN 2622691Y
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- China
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- signal
- pressure transducer
- pressure sensor
- pipe laying
- hub
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Abstract
A wireless terminal device used in a leakage detection of an oil pipeline relates to the leakage detection device of the oil pipeline. A detection terminal (A) and the detection terminal (B) comprise a sensor signal acquisition card (3), an industrial control computer (4), a data processing server (5), a concentrator (6), a wireless router (7), a signal amplifier (8), a high gain directional antenna (9), as well as a pressure sensor (1) and the pressure sensor (2); the pressure sensor (1) is arranged on an end of the oil pipeline (10); the pressure sensor (2) is arranged on a distance of 80 to 120m far away from the pressure sensor (1); a signal output end of the pressure sensor (1) and the pressure sensor (2) is connected with a signal input end of the sensor signal acquisition card (3) by a signal line (3-1). The utility model adopts a wireless communication technology and does not take up a telephone wire or erect a line separately, which reduces the operating cost; the utility model is easy to move and dismantle, thereby reducing the operating cost too.
Description
Technical field: the utility model relates to a kind of equipment of pipe laying Leak Detection.
Background technology: at present, domestic about the existing a lot of reports of oil pipeline leak detection technology, by these reports as can be known, the sensitivity of these detection techniques is all lower; And false alarm usually takes place; Especially the key aspect in technology does not promptly have fine solution on the accurate location to leakage point.Moreover these pipe laying leak detecting devices need rely on the long telephone wire or the construction of line in addition mostly, and this all needs higher cost, and moves also inconvenient.
The utility model content: the utility model has been developed a kind of wireless terminal device that is used for the pipe laying Leak Detection, it has advantage highly sensitive, that positioning error is little, false alarm rate is low, especially it can accurately be located leakage point, and it also has the advantage that need not to rely on telephone line, conveniently moving.The utility model is by two similar detection terminal A, B forms, sense terminals A, B is installed in the two ends of tested pipe laying 10 respectively, the length D=1-50 km of tested pipe laying 10, described sense terminals A and B have all comprised collecting sensor signal card 3, industrial control computer 4, data processing server 5, hub 6, wireless router 7, signal amplifier 8, gain directional antenna 9, the signal output part of collecting sensor signal card 3 is connected by signal wire 4-1 with the signal input part of industrial control computer 4, the network I/O mouth of industrial control computer 4 is connected by network connection 6-1 with a port of hub 6, the network I/O mouth of data processing server 5 is connected by network connection 6-2 with the another port of hub 6, the signal input output end of wireless router 7 is connected by network connection 6-3 with the signal output part of hub 6, the signal output part of wireless router 7 is connected by signal wire 7-1 with the signal input part of signal amplifier 8, and the signal output part of signal amplifier 8 is connected by signal wire 9-1 with the signal input part of gain directional antenna 9; Sense terminals A and B have also comprised pressure transducer 1 and pressure transducer 2, pressure transducer 1 is installed in an end of detected pipe laying 10, pressure transducer 2 is installed in apart from pressure transducer 1 apart from the d=80-120m place, and the signal output part of pressure transducer 1 and pressure transducer 2 is connected by signal wire 3-1 with the signal input part of collecting sensor signal card 3.One end of detected pipe laying 10 is equipped with two pressure transducers and gathers pressure signal simultaneously, the pressure signal that makes every end gather is more accurate, error is littler, this has very great help for improving whole Leak Detection bearing accuracy, collecting sensor signal card 3 is delivered to industrial control computer 4 with the pressure signal that collects, and carries out analyzing and processing after the data of hub 6 after will handling are delivered to data processing server 5 by the signal of 4 pairs of two sensor acquisition of industrial control computer; Detect the pressure signal of pipe laying 10 other ends simultaneously at the sense terminals B of detected pipe laying 10 other ends, and pressure signal is delivered among the sense terminals A by wireless router 7, signal amplifier 8, gain directional antenna 9, sense terminals A delivers in the data processing server 5 after receiving by gain directional antenna 9, signal amplifier 8, wireless router 7 and hub 6, and the pressure signal of same sense terminals A also is sent in the data processing server 5 of sense terminals B by wireless network and various terminal device.The data processing server 5 at two ends carries out pressure differential with the pressure signal at the two ends that obtain and calculates, and calculates the difference in flow of pipe laying simultaneously, is the generation leakage situation when abnormal conditions appear in the pressure signal at two ends and difference in flow.The utility model is because each terminal adopts two pressure transducers, makes that the utility model is highly sensitive, good reliability, error be little; And the utility model adopts is wireless communication technology, do not need to take the telephone wire or the construction of line in addition, reduced operating cost; And be convenient to move and dismounting, also reduced use cost.
Description of drawings: Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the structural representation of embodiment two.
Embodiment one: this embodiment is by two similar detection terminal A, B forms, sense terminals A, B is installed in the two ends of tested pipe laying 10 respectively, the length D=1-50 km of tested pipe laying 10, described sense terminals A or B are by pressure transducer 1, pressure transducer 2, collecting sensor signal card 3, industrial control computer 4, data processing server 5, hub 6, wireless router 7, signal amplifier 8, gain directional antenna 9 is formed, pressure transducer 2 is selected the PTX1400 model for use, collecting sensor signal card 3 is selected the PCL-818HD model for use, the CPU of industrial control computer 4 selects the P3-866 of Intel for use, in save as modern 128M, system is windows2000professional, data processing server 5 is selected Smart of Dell 400 commercial types for use, system is windows2000 server, hub 6 is selected the LH-2000 model of association for use, wireless router 7 is selected the AP-1000 model for use, and gain directional antenna 9 is selected the PA27 model for use; Pressure transducer 1 is installed in an end of detected pipe laying 10, pressure transducer 2 is installed in apart from pressure transducer 1 apart from the d=80-120m place, and the signal output part of pressure transducer 1 and pressure transducer 2 is connected by signal wire 3-1 with the signal input part of collecting sensor signal card 3.The signal output part of collecting sensor signal card 3 is connected by signal wire 4-1 with the signal input part of industrial control computer 4, the network I/O mouth of industrial control computer 4 is connected by network connection 6-1 with a port of hub 6, the network I/O mouth of data processing server 5 is connected by network connection 6-2 with the another port of hub 6, the signal input part of wireless router 7 is connected by network connection 6-3 with the signal output part of hub 6, the signal output part of wireless router 7 is connected by signal wire 7-1 with the signal input part of signal amplifier 8, and the signal output part of wireless router 7 is connected by signal wire 9-1 with the signal input part of gain directional antenna 9.Communication modes adopts wireless bridge in this concrete enforcement, and what wireless bridge adopted is the 2.4G spread spectrum, and procotol is TCP/IP; Pressure transducer selects for use essential safe type to meet dIIBT4 place required pressure sensor in this embodiment.The utility model can detect the pipe laying of caliber less than 630mm, and the leakage positioning error is less than ± 200m.
Embodiment two: as shown in Figure 2, this embodiment is to be connected by telephone wire dedicated network 11 between two similar detection terminal A, the B with the difference of embodiment one.This embodiment is suitable for using the local easily use of telephone line.
Principle of work: have successively because pressure wave arrives the time of two sensors 1,2 of a terminal A or B, promptly apart from which sensor closely then pressure wave arrive earlier that sensor, so can judge the direction that suction wave produces according to the temporal delay that pressure wave arrives, can judge that also pressure surge is from tested pipeline or owing to other technological operation in the station causes.Two of another terminal sensors ripple signal that also can be under pressure in like manner; Carry out analyzing and processing by data like this to four sensors, just can get rid of because the pressure that the technological process adjusting causes in head end or terminal pressure surge that causes or the station rises and descends, and then the pressure surge that pipe leakage causes between definite first and last station, signal processing technologies such as applied numerical analysis, pattern-recognition position pipe leakage.
Claims (2)
1, the wireless terminal device that is used for the pipe laying Leak Detection, it is by two similar detection terminals (A), (B) form, sense terminals (A), (B) be installed in the two ends of tested pipe laying (10) respectively, the length D=1-50 km of tested pipe laying (10), described sense terminals (A) and (B) all comprised collecting sensor signal card (3), industrial control computer (4), data processing server (5), hub (6), wireless router (7), signal amplifier (8), gain directional antenna (9), the signal output part of collecting sensor signal card (3) is connected by signal wire (4-1) with the signal input part of industrial control computer (4), the network I/O mouth of industrial control computer (4) is connected by network connection (6-1) with a port of hub (6), the network I/O mouth of data processing server (5) is connected by network connection (6-2) with the another port of hub (6), the signal input part of wireless router (7) is connected by network connection (6-3) with the signal output part of hub (6), the signal output part of wireless router (7) is connected by signal wire (7-1) with the signal input part of signal amplifier (8), and the signal output part of signal amplifier (8) is connected by signal wire (9-1) with the signal input part of gain directional antenna (9); It is characterized in that sense terminals (A) and (B) also comprised pressure transducer (1) and pressure transducer (2), pressure transducer (1) is installed in an end of detected pipe laying (10), pressure transducer (2) is installed in apart from pressure transducer (1) apart from the d=80-120m place, and the signal output part of pressure transducer (1) and pressure transducer (2) is connected by signal wire (3-10) with the signal input part of collecting sensor signal card (3).
2, the wireless terminal device that is used for the pipe laying Leak Detection according to claim 1 is characterized in that connecting by telephone wire dedicated network (11) between two similar detection terminal A, the B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03212943 CN2622691Y (en) | 2003-05-01 | 2003-05-01 | Radio terminal device for leakage detection of oil delivery pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03212943 CN2622691Y (en) | 2003-05-01 | 2003-05-01 | Radio terminal device for leakage detection of oil delivery pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2622691Y true CN2622691Y (en) | 2004-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03212943 Expired - Fee Related CN2622691Y (en) | 2003-05-01 | 2003-05-01 | Radio terminal device for leakage detection of oil delivery pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2622691Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128353A (en) * | 2010-12-23 | 2011-07-20 | 大庆油田有限责任公司 | Novel ground marker for detecting flux leakage corrosion of pipeline |
| CN108139291A (en) * | 2015-07-17 | 2018-06-08 | 阿德莱德大学 | For the method and system of pipeline status analysis |
-
2003
- 2003-05-01 CN CN 03212943 patent/CN2622691Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128353A (en) * | 2010-12-23 | 2011-07-20 | 大庆油田有限责任公司 | Novel ground marker for detecting flux leakage corrosion of pipeline |
| CN108139291A (en) * | 2015-07-17 | 2018-06-08 | 阿德莱德大学 | For the method and system of pipeline status analysis |
| CN108139291B (en) * | 2015-07-17 | 2021-01-01 | 阿德莱德大学 | Method and system for pipeline condition analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20100501 |