CN201764260U - Oil leakage monitoring device for oil pipeline - Google Patents
Oil leakage monitoring device for oil pipeline Download PDFInfo
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- CN201764260U CN201764260U CN2010202428073U CN201020242807U CN201764260U CN 201764260 U CN201764260 U CN 201764260U CN 2010202428073 U CN2010202428073 U CN 2010202428073U CN 201020242807 U CN201020242807 U CN 201020242807U CN 201764260 U CN201764260 U CN 201764260U
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- petroleum pipeline
- oil
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- petroleum
- warning signal
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Abstract
The utility model relates to an oil leakage monitoring device for an oil pipeline, which comprises a first pressure sensor, a second pressure sensor, a first flowmeter, a second flowmeter, a first signal collection card, a second signal collection card, a first arithmetic unit, a second arithmetic unit and a processor, wherein the first and the second pressure sensors are used for sensing negative pressure waves at the first end and the second end of the oil pipeline and respectively producing a first early-warning signal and a second early-warning signal; the first and the second flowmeters are used for measuring oil flow rate values at the first end and the second end of the oil pipeline; the first signal collection card is used for collecting the first early-warning signal and the oil flow rate value at the first end of the oil pipeline, and the second signal collection card is used for receiving the second early-warning signal and the oil flow rate value at the second end of the oil pipeline; the first arithmetic unit is used for comparing the oil flow rate value at the first end of the oil pipeline with a preset flow rate value and producing a third early-warning signal according to the comparison result, and the second arithmetic unit is used for comparing the oil flow rate value at the second end of the oil pipeline with the preset flow rate value and producing a fourth early-warning signal according to the comparison result; and the processor is used for judging oil leakage of the oil pipeline according to the first to the fourth early-warning signals and producing a warning signal. The oil leakage monitoring device for the oil pipeline has high accuracy.
Description
Technical field
The utility model relates to a kind of supervisory device, relates in particular to a kind of petroleum pipeline leakage of oil supervisory device.
Background technique
To the monitoring of petroleum pipeline is important step in the oil transmission course, if can not in time monitor the fault of petroleum pipeline leakage of oil, not only can cause economic loss, also can cause environmental pollution, the harm residents ' health.A kind of method of petroleum pipeline monitoring is along pipeline a plurality of temperature transducers to be set, pipeline is when taking place to leak, the temperature variation of leakage place is sent to monitoring station via near temperature transducer along the pipeline cable, but when transmission line is longer, must be provided with along pipeline a large amount of temperature transducers are installed, labor intensive and material resources also are subjected to the influence of temperature transducer mounting point to the Location accuracy of leakage place.
The model utility content
In view of the above-mentioned problems in the prior art, main purpose of the present utility model is to address the deficiencies of the prior art, and a kind of high-precision petroleum pipeline leakage of oil supervisory device is provided.
A kind of petroleum pipeline leakage of oil supervisory device comprises and responds to first of a petroleum pipeline respectively, the suction wave of second end also produces first respectively, first of second early warning signal, second pressure transducer, measure described petroleum pipeline first respectively, first of the petroleum streams value of second end, second flowmeter, one gathers first data acquisition card of the petroleum streams value of described first early warning signal and described petroleum pipeline first end, one receives the secondary signal capture card of the petroleum streams value of described second early warning signal and described petroleum pipeline second end, one first arithmetic device that the petroleum streams value and a preset flow value of described petroleum pipeline first end were compared and produced according to comparative result the 3rd early warning signal, one with the petroleum streams value of described petroleum pipeline second end and described preset flow value compares and judge described petroleum pipeline leakage of oil and produce the processor of an alarm signal according to described first to fourth early warning signal according to the second arithmetic device and that comparative result produces the 4th early warning signal.
According to technical conceive of the present utility model, described petroleum pipeline leakage of oil supervisory device comprises that also one receives the alarm of described alarm signal from described processor, and described alarm signal drives described alarm equipment alarm.
According to technical conceive of the present utility model, described alarm comprises a buzzer.
According to technical conceive of the present utility model, described alarm comprises a light emitting diode.
According to technical conceive of the present utility model, described petroleum pipeline leakage of oil supervisory device also comprises one first signal amplifier and a secondary signal amplifier, described first signal amplifier is connected between described first data acquisition card and the first arithmetic device, described secondary signal amplifier is connected between described secondary signal capture card and the second arithmetic device, described first, second flowmeter produces first of the petroleum streams value that records of representative respectively, second pulse signal sends described first to, the secondary signal amplifier, described first, the secondary signal amplifier is respectively with described first, second pulse signal amplifies the back and produces first, second amplifying signal is sent to described first, the secondary signal capture card, described first, the secondary signal capture card is respectively with described first, second amplifying signal is sent to described first, second arithmetic device, described first, all store the flow preset signals of the described preset flow value of a representative in the second arithmetic device, described preset flow value be described petroleum pipeline when not revealing its first, the petroleum streams value of second end.
According to technical conceive of the present utility model, described the 3rd early warning signal represents that the petroleum streams value of described petroleum pipeline first end and the difference between the described preset flow value reach a predefined value, and described the 4th early warning signal represents that the petroleum streams value of described petroleum pipeline second end and the difference between the described preset flow value reach described predefined value.
According to technical conceive of the present utility model, described alarm signal represents that described processor receives described first to fourth early warning signal.
According to technical conceive of the present utility model, described processor comprises that a time difference that receives described suction wave according to described first, second pressure transducer calculates the computing unit of the position of described petroleum pipeline leakage place.
The beneficial effects of the utility model are: described petroleum pipeline is revealed supervisory device and is utilized described pressure transducer to receive first, second early warning signal that suction wave produces, and utilize the oil flow at the described petroleum pipeline of described flowmeter survey two ends, by the oil flow at the more described petroleum pipeline of arithmetic mean unit two ends and the oil flow under the normal condition, produce the 3rd, the 4th early warning signal according to comparative result, described processor judges whether to occur leaking in conjunction with first to fourth early warning signal, can accurately monitor described petroleum pipeline, avoid erroneous judgement disconnected.Also can calculate the position of described petroleum pipeline leakage place.
Description of drawings
Fig. 1 reveals the module diagram of supervisory device better embodiment for the utility model petroleum pipeline.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Please refer to Fig. 1, petroleum pipeline of the present utility model is revealed supervisory device and is comprised two pressure transducers 12,14, two flowmeters 22,24, two data acquisition cards 32,34, two signal amplifiers 42,44, two arithmetic mean unit 52,54, a processor 70 and an alarm 80, and described processor 70 comprises a computing unit 72.
Described pressure transducer 12, flowmeter 22, data acquisition card 32, signal amplifier 42 and arithmetic mean unit 52 are installed in one first end of a petroleum pipeline 100, and described pressure transducer 14, flowmeter 24, data acquisition card 34, signal amplifier 44 and arithmetic mean unit 54 are installed in one second end of described petroleum pipeline 100.
Described pressure transducer 12,14 is respectively applied for the pressure of measuring described petroleum pipeline 100 first, second ends, when described petroleum pipeline 100 takes place to leak, can produce pressure drop at leakage point, propagate to its first, second end along petroleum pipeline 100 with the form of suction wave in the pressure drop that leakage point produces, described pressure transducer 12,14 transmits first, second early warning signal respectively to described data acquisition card 32,34 after receiving described suction wave, and first, second early warning signal that described data acquisition card 32,34 will be gathered sends described processor 70 to.
Described flowmeter 22,24 are respectively applied for first of the described petroleum pipeline 100 of measurement, the oil flow of second end, and send one respectively and be used to represent first of the flow value that records, second pulse signal is given described data acquisition card 32,34, described data acquisition card 32,34 will obtain respectively first, second pulse signal sends described signal amplifier 42 to, 44, first pulse signal of 42 pairs of receptions of described signal amplifier amplifies back generation one first amplifying signal and sends described arithmetic mean unit 52 to, second pulse signal of 44 pairs of receptions of described signal amplifier amplifies back generation one second amplifying signal and sends described arithmetic mean unit 54 to, described arithmetic mean unit 52, all store a flow preset signals in 54, described flow preset signals represent described petroleum pipeline 100 just often its first, the flow value of second end, 52 pairs of described first amplifying signals of described arithmetic mean unit and described flow preset signals compare, when the difference between described first amplifying signal and the described flow preset signals reaches a predefined value, described arithmetic mean unit 52 produces a secondary signal and sends described data acquisition card 32 to, 54 pairs of described second amplifying signals of described arithmetic mean unit and described flow preset signals compare, when the difference between described second amplifying signal and the described flow preset signals reached described predefined value, described arithmetic mean unit 54 produced one the 4th early warning signal and sends described data acquisition card 34 to.The the 3rd, the 4th early warning signal that described data acquisition card will collect sends described processor 70 to.
Judge whether to leak the false alarm that is produced for fear of the suction wave that only receives according to pressure transducer, when described processor 70 had both received described first, second early warning signal receives the described the 3rd again, during the 4th early warning signal, described processor 70 judges that just described petroleum pipeline 100 reveals, described processor 70 is judged when described petroleum pipeline 100 takes place to reveal, by described computing unit 72 according to described pressure transducer 12,14 time differences that receive described suction wave were calculated the particular location of leak point, simultaneously described is that processor sends an alarm signal to described alarm 80, described alarm comprises a buzzer or a light emitting diode, when receiving alarm signal, promptly send buzzing or pilot light.When described processor 70 only received described first, second early warning signal and do not receive described the 3rd, the 4th early warning signal, described processor 70 did not produce described alarm signal, and described alarm is not reported to the police.
In the present embodiment, described capture card 32,34 sends first to fourth early warning signal that is collected to described processor 70 by wired or wireless network.
Described petroleum pipeline is revealed supervisory device and is utilized described pressure transducer 12,14 receive first of suction wave generation, second early warning signal, and utilize described flowmeter 22,24 measure the oil flow at the two ends of described petroleum pipeline 100, by arithmetic mean unit 52, the oil flow at the two ends of 54 more described petroleum pipelines 100 and the oil flow under the normal condition, produce the 3rd according to comparative result, the 4th early warning signal, described processor 70 judges whether to occur leaking in conjunction with first to fourth early warning signal, when taking place to leak, driving alarm 80 reports to the police, and can calculate the position of described leakage place, can accurately monitor described petroleum pipeline 100.
Claims (6)
1. a petroleum pipeline leakage of oil supervisory device is characterized in that: comprise and respond to first of a petroleum pipeline respectively, the suction wave of second end also produces first respectively, first of second early warning signal, second pressure transducer, measure described petroleum pipeline first respectively, first of the petroleum streams value of second end, second flowmeter, one gathers first data acquisition card of the petroleum streams value of described first early warning signal and described petroleum pipeline first end, one receives the secondary signal capture card of the petroleum streams value of described second early warning signal and described petroleum pipeline second end, one first arithmetic device that the petroleum streams value and a preset flow value of described petroleum pipeline first end were compared and produced according to comparative result the 3rd early warning signal, one with the petroleum streams value of described petroleum pipeline second end and described preset flow value compares and judge described petroleum pipeline leakage of oil and produce the processor of an alarm signal according to described first to fourth early warning signal according to the second arithmetic device and that comparative result produces the 4th early warning signal.
2. petroleum pipeline leakage of oil supervisory device as claimed in claim 1 is characterized in that: described petroleum pipeline leakage of oil supervisory device comprises that also one receives the alarm of described alarm signal from described processor, and described alarm signal drives described alarm equipment alarm.
3. petroleum pipeline leakage of oil supervisory device as claimed in claim 2, it is characterized in that: described alarm comprises a buzzer.
4. petroleum pipeline leakage of oil supervisory device as claimed in claim 2, it is characterized in that: described alarm comprises a light emitting diode.
5. petroleum pipeline leakage of oil supervisory device as claimed in claim 1, it is characterized in that: described petroleum pipeline leakage of oil supervisory device also comprises one first signal amplifier and a secondary signal amplifier, described first signal amplifier is connected between described first data acquisition card and the first arithmetic device, described secondary signal amplifier is connected between described secondary signal capture card and the second arithmetic device, described first, second flowmeter produces first of the petroleum streams value that records of representative respectively, second pulse signal sends described first to, the secondary signal amplifier, described first, the secondary signal amplifier is respectively with described first, second pulse signal amplifies the back and produces first, second amplifying signal is sent to described first, the secondary signal capture card, described first, the secondary signal capture card is respectively with described first, second amplifying signal is sent to described first, second arithmetic device.
6. petroleum pipeline leakage of oil supervisory device as claimed in claim 1 is characterized in that: described processor comprises that a time difference that receives described suction wave according to described first, second pressure transducer calculates the computing unit of the position of described petroleum pipeline leakage place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202428073U CN201764260U (en) | 2010-06-30 | 2010-06-30 | Oil leakage monitoring device for oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202428073U CN201764260U (en) | 2010-06-30 | 2010-06-30 | Oil leakage monitoring device for oil pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN201764260U true CN201764260U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202428073U Expired - Fee Related CN201764260U (en) | 2010-06-30 | 2010-06-30 | Oil leakage monitoring device for oil pipeline |
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| CN (1) | CN201764260U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330886A (en) * | 2011-07-26 | 2012-01-25 | 广东联塑科技实业有限公司 | System capable of automatically informing user of pipeline fault |
| CN105299474A (en) * | 2014-06-27 | 2016-02-03 | 姜伟 | Detecting and warning device for drip leakage prevention of water pipe |
| CN118654745A (en) * | 2024-08-20 | 2024-09-17 | 常州市潞城燃气设备股份有限公司 | Gas flowmeter capable of being quickly disassembled and assembled |
-
2010
- 2010-06-30 CN CN2010202428073U patent/CN201764260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330886A (en) * | 2011-07-26 | 2012-01-25 | 广东联塑科技实业有限公司 | System capable of automatically informing user of pipeline fault |
| CN105299474A (en) * | 2014-06-27 | 2016-02-03 | 姜伟 | Detecting and warning device for drip leakage prevention of water pipe |
| CN118654745A (en) * | 2024-08-20 | 2024-09-17 | 常州市潞城燃气设备股份有限公司 | Gas flowmeter capable of being quickly disassembled and assembled |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20110316 Termination date: 20130630 |