CN102157051B - Stopping alarm for oil well - Google Patents
Stopping alarm for oil well Download PDFInfo
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- CN102157051B CN102157051B CN 201110062259 CN201110062259A CN102157051B CN 102157051 B CN102157051 B CN 102157051B CN 201110062259 CN201110062259 CN 201110062259 CN 201110062259 A CN201110062259 A CN 201110062259A CN 102157051 B CN102157051 B CN 102157051B
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Abstract
A stopping alarm for an oil well relates to the monitoring technology of oilfield oil and gas mining equipment (oil extractors), and solves the problems that the running state of oilfield oil and gas mining equipment like oil extractors can not be monitored in real time, and the stopping of the oil extractors can not be found timely. The stopping alarm for the oil well comprises a current sampling current transformer, a current signal connection control cable and an alarm, wherein the alarm mainly comprises a rectification circuit, an amplitude limiting circuit, a signal amplifying circuit and an alarm indicating circuit; the current transformer is mounted in a power distribution cabinet of a metering station, and serially connected to one phase of the three-phase lead of an oil extractor motor; and the current transformer is connected to an alarm in a duty house of the metering station in a burying manner through connecting current signal to the control cable. The stopping alarm for the oil well can realize the real-time automatic alarm monitoring for the running state of the oil extractors, and can find the stopping faults of the oil extractor in time, so that the labor intensity of workers is greatly reduced, the events of stealing oil extractor motors and cables and stopping are effectively decreased.
Description
One, technical field: the present invention relates to oilfield winning apparatus (oil pumper) running state monitoring technology, especially stopping alarm for oil well.
Two, background technology: the production well of petroleum exploitation enterprise all in the open air, and quantity is many, distribution is wide, management to production well, the well mode is manually patrolled in the most employing of enterprise, by artificial quantitative check every day machine operation, owing to can't oil well be guarded constantly, the lawless person utilizes and patrols well intermittently, pilferage pumping-unit motor, cable event often occur, and after stopping well, oil pumper can not in time find, rate greatly reduces during oil well production, causes very large loss for oil field production management and economic benefit.Although each enterprise takes to encrypt the way of inspection, open-air oil well to be nursed, this mode increases labor strength greatly, and anti-theft effect neither be fine.
Three, summary of the invention: the purpose of this invention is to provide and a kind ofly can find in time that oil pumper stops the well fault, greatly alleviate the stopping alarm for oil well of labor strength.It has solved oilfield winning apparatus oil pumper running status and can't monitor constantly, oil pumper stops the problem that can not in time find behind the well, the object of the present invention is achieved like this, it connects control cables by current sampling current transformer, current signal and alarm three parts form, and alarm mainly contains rectification circuit, amplitude limiter circuit, signal amplification circuit and warning indicating circuit and forms.Current transformer is installed in the test satellite location power distribution cabinet, is connected on any one of pumping-unit motor three-phase conducting wire and goes up mutually, and current transformer connects the control cables burying arrange ment by current signal and is connected in the test satellite location room on duty on the alarm.Concrete circuit connecting mode is: current transformer A1 is connected with commutation diode V1 V2, commutation diode V1 V2 is connected with limiter diode V3 V4, limiter diode V3 V4 is connected with filtered electrical filter capacitor C1, filter capacitor C1 is connected with biasing resistor R1, biasing resistor R1 is connected respectively with R2, signal amplifying triode VT1, biasing resistor R1 is connected with R3 with R2, biasing resistor R3 is connected with shunt indicating circuit H1, isolating diode V5 respectively, is being connected R5 at biasing resistor R3 with isolating diode V5 circuit; Biasing resistor R3 is connected with the circuit of other oil well with isolating diode V5 circuit simultaneously; Biasing resistor R2 is connected with power drive triode VT4, relay K M1, is connecting relay normally open electric shock KM2 at relay K M1, and relay normally open electric shock KM2 is connected with warning circuit; Relay K M1 is connected with warning indicating circuit R11 H4, and the circuit of other oil well is identical therewith.
When oil pumper normally moves, oil-well motor working current L1 transforms to its secondary side through current transformer TA1, through commutation diode V2 rectification, limiter diode V3 V4 amplitude limit, filter capacitor C1 filtering, isolating diode V5, biasing resistor R1, signal amplifying triode VT1 base stage and emitter form the loop, this moment, signal amplifying triode VT1 base stage was in noble potential, collector is in electronegative potential, indicating circuit R2 H1 burn red pipe quits work along separate routes, and power drive triode VT4 base stage is in electronegative potential, and collector is in noble potential, relay K M1 is failure to actuate, warning circuit is not reported to the police, and with the work of alarm indicating circuit R11 H4 green-emitting luminotron, indicating circuit is normal.If opposite lawless person attempts to steal pumping-unit motor, cable, circuit is surreptitiously destroyed or other reasons when causing oil pumper to stop well, oil-well motor L1 is without working current, this moment, signal amplifying triode VT1 base stage was in electronegative potential, collector is in noble potential, indicating circuit R2 H1 burn red plumber does along separate routes, power drive triode VT4 base stage is in noble potential, collector is in electronegative potential, relay K M1 action, relay normally open electric shock KM2 is closed, and warning circuit begins to report to the police, and warning indicating circuit R11 H4 green luminotron quits work.
The present invention can realize the constantly automatic alarm monitoring of oil pumper running status, can find in time that oil pumper stops the well fault, greatly reduces the labour intensity that alleviates the workman, effectively reduces to steal pumping-unit motor, cable and stop the well event to occur.
Four, description of drawings: Fig. 1 is the stopping alarm for oil well circuit diagram.
Five, embodiment: embodiment 1, the present invention are comprised of current sampling current transformer, current signal connection control cables and alarm three parts, and alarm mainly contains rectification circuit, amplitude limiter circuit, signal amplification circuit and warning indicating circuit and forms.Current transformer is installed in the test satellite location power distribution cabinet, is connected on any one of pumping-unit motor three-phase conducting wire and goes up mutually, and current transformer connects the control cables burying arrange ment by current signal and is connected in the test satellite location room on duty on the alarm.
Embodiment 2, current transformer A1 are connected with commutation diode V1V2, commutation diode V1V2 is connected with limiter diode V3V4, limiter diode V3V4 is connected with filter capacitor C1, filter capacitor C1 is connected with biasing resistor R1, biasing resistor R1 is connected respectively with R2, signal amplifying triode VT1, biasing resistor R1 is connected with R3 with R2, biasing resistor R3 is connected with shunt indicating circuit H1, isolating diode V5 respectively, is being connected R5 at biasing resistor R3 with isolating diode V5 circuit; Biasing resistor R3 is connected with the circuit of other oil well with isolating diode V5 circuit simultaneously; Biasing resistor R2 is connected with power drive triode VT4, relay K M1, is connecting relay normally open electric shock KM2 at relay K M1, and relay normally open electric shock KM2 is connected with warning circuit; Relay K M1 is connected with warning indicating circuit R11H4, and the circuit of other oil well is identical therewith.
Embodiment 3, when oil pumper normally moves, oil-well motor working current L1 transforms to its secondary side through current transformer TA1, through commutation diode V2 rectification, limiter diode V3V4 amplitude limit, filter capacitor C1 filtering, isolating diode V5, biasing resistor R1, signal amplifying triode VT1 base stage and emitter form the loop, this moment, signal amplifying triode VT1 base stage was in noble potential, collector is in electronegative potential, indicating circuit R2H1 burn red pipe quits work along separate routes, and power drive triode VT4 base stage is in electronegative potential, and collector is in noble potential, relay K M1 is failure to actuate, warning circuit is not reported to the police, and with the work of alarm indicating circuit R11H4 green-emitting luminotron, indicating circuit is normal.If opposite lawless person attempts to steal pumping-unit motor, cable, circuit is surreptitiously destroyed or other reasons when causing oil pumper to stop well, oil-well motor L1 is without working current, this moment, signal amplifying triode VT1 base stage was in electronegative potential, collector is in noble potential, indicating circuit R2H1 burn red plumber does along separate routes, power drive triode VT4 base stage is in noble potential, collector is in electronegative potential, relay K M1 action, relay normally open electric shock KM2 is closed, and warning circuit begins to report to the police, and warning indicating circuit R11H4 green luminotron quits work.
Claims (2)
1. stopping alarm for oil well, it connects control cables by current sampling current transformer, current signal and alarm three parts form, and it is characterized in that: alarm is comprised of rectification circuit, amplitude limiter circuit, signal amplification circuit and warning indicating circuit; Current transformer is installed in the test satellite location power distribution cabinet, is connected on any one of pumping-unit motor three-phase conducting wire and goes up mutually, and current transformer connects the control cables burying arrange ment by current signal and is connected in the test satellite location room on duty on the alarm; In the stopping alarm for oil well circuit, the secondary coil of current transformer TA1 is in parallel with commutation diode V1, commutation diode V1 positive terminal ground connection, negative pole end is connected with commutation diode V2 positive terminal, after limiter diode V3 and the series connection of limiter diode V4 forward, limiter diode V4 negative pole end ground connection, limiter diode V3 positive terminal is connected with the negative pole end of commutation diode V2, filter capacitor C1 positive terminal is connected with the positive terminal of limiter diode V3, negative pole end ground connection, the end of biasing resistor R1 is connected with filter capacitor C1 positive terminal, the other end is connected with the base stage of signal amplifying triode VT1, biasing resistor R2 one end is connected with positive source+12V, the other end is connected with the collector of signal amplifying triode VT1, biasing resistor R3 one end is connected with indicating along separate routes red luminotron H1 positive pole, the other end is connected with the collector of signal amplifying triode VT1, the negative pole end of red luminotron H1 is connected with the emitter of signal amplifying triode VT1, the grounded emitter of signal amplifying triode VT1, the positive terminal of isolating diode V5 is connected with the collector of signal amplifying triode VT1, negative pole end is connected with resistance R 10 1 ends, the circuit connecting of other loop oil well is with above identical, and the isolating diode negative pole end that passes through separately respectively all is connected with resistance R 10 1 ends; Resistance R 10 other ends are connected with the base stage of power drive triode VT4, capacitor C 4 positive terminals are connected with resistance R 10 1 ends, negative pole end ground connection, coil KM1 one end of relay is connected with positive source+12V, the other end is connected with the collector of power drive triode VT4, diode V16 is in parallel with the coil KM1 of relay, diode V16 negative pole termination positive source+12V, the collector of anodal termination power drive triode VT4, resistance R 11 1 ends are connected with the indication green luminotron H4 positive pole of reporting to the police, the other end is connected with the collector of power drive triode VT4, the negative pole end of green luminotron H4 is connected with the emitter of power drive triode VT4, the grounded emitter of power drive triode VT4, relay normally open contact KM2 is connected with warning circuit.
2. the method for work of described stopping alarm for oil well according to claim 1, it is characterized in that: when oil pumper normally moves, oil-well motor working current L1 transforms to its secondary side through current transformer TA1, through commutation diode V2 rectification, limiter diode V3 and limiter diode V4 amplitude limit, filter capacitor C1 filtering, biasing resistor R1, signal amplifying triode VT1 base stage and emitter form the loop, this moment, signal amplifying triode VT1 base stage was in noble potential, collector is in electronegative potential, the red luminotron H1 of indicating circuit quits work along separate routes, power drive triode VT4 base stage is in electronegative potential, collector is in noble potential, relay K M1 is failure to actuate, warning circuit is not reported to the police, green luminotron H4 work with the alarm indicating circuit, indicating circuit is normal, if opposite lawless person attempts to steal pumping-unit motor or cable, circuit is destroyed or other reasons when causing oil pumper to stop well, oil-well motor is without working current, this moment, signal amplifying triode VT1 base stage was in electronegative potential, collector is in noble potential, the along separate routes red luminotron H1 of indicating circuit work, power drive triode VT4 base stage is in noble potential, and collector is in electronegative potential, relay K M1 action, relay normally open contact KM2 is closed, and warning circuit begins to report to the police, and the green luminotron H4 of warning indicating circuit quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110062259 CN102157051B (en) | 2011-03-10 | 2011-03-10 | Stopping alarm for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110062259 CN102157051B (en) | 2011-03-10 | 2011-03-10 | Stopping alarm for oil well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102157051A CN102157051A (en) | 2011-08-17 |
| CN102157051B true CN102157051B (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110062259 Expired - Fee Related CN102157051B (en) | 2011-03-10 | 2011-03-10 | Stopping alarm for oil well |
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| Country | Link |
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| CN (1) | CN102157051B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506757B (en) * | 2022-11-22 | 2023-03-24 | 秦皇岛美城润麒低碳产业发展有限公司 | Pumping unit automatic control equipment convenient for flexible switching of long-distance and short-distance control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160026Y (en) * | 1993-05-31 | 1994-03-30 | 王为民 | Alarm timer for oil pump stop |
| CN2549177Y (en) * | 2002-04-29 | 2003-05-07 | 陆海霞 | Energy-saving automatic controller of oil well |
| CN201486543U (en) * | 2009-01-05 | 2010-05-26 | 王海峰 | Oil field single-well remote alarm and monitoring apparatus |
-
2011
- 2011-03-10 CN CN 201110062259 patent/CN102157051B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160026Y (en) * | 1993-05-31 | 1994-03-30 | 王为民 | Alarm timer for oil pump stop |
| CN2549177Y (en) * | 2002-04-29 | 2003-05-07 | 陆海霞 | Energy-saving automatic controller of oil well |
| CN201486543U (en) * | 2009-01-05 | 2010-05-26 | 王海峰 | Oil field single-well remote alarm and monitoring apparatus |
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| Publication number | Publication date |
|---|---|
| CN102157051A (en) | 2011-08-17 |
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Granted publication date: 20130306 Termination date: 20140310 |