CN204649244U - A kind of oil pipeline oil quality on-line monitoring system - Google Patents

A kind of oil pipeline oil quality on-line monitoring system Download PDF

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CN204649244U
CN204649244U CN201520406188.XU CN201520406188U CN204649244U CN 204649244 U CN204649244 U CN 204649244U CN 201520406188 U CN201520406188 U CN 201520406188U CN 204649244 U CN204649244 U CN 204649244U
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chip
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resistance
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circuit
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汪友明
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Xian University of Posts and Telecommunications
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Xian University of Posts and Telecommunications
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Abstract

The utility model discloses a kind of oil pipeline oil quality on-line monitoring system, comprise monitoring host computer and multiple oily monitoring means be laid on monitored oil pipeline; Each oily monitoring means comprises ultrasound wave transmitting probe and the ultrasound wave receiving transducer that radial symmetry is arranged on oil pipeline both sides, and electronic circuit board; Each electronic circuit board comprises the first data collector, the first wireless communication module, speed pickup, Fibre Optical Sensor, division circuit, attenuator circuit, the first data storage circuitry, the first signal amplification circuit, secondary signal amplifying circuit, ultrasonic transmit circuit and ultrasound wave receiving circuit; Monitoring host computer comprises the second data collector, the second data storage circuitry and the second wireless communication module, the output terminal of the second data collector is connected to display and controls pilot lamp, the utility model is novel in design, detect oil flow and temperature and pressure data by ultrasonic listening fluid particle simultaneously, online monitoring data is timely, practical.

Description

A kind of oil pipeline oil quality on-line monitoring system
Technical field
The utility model belongs to radio transmission technical field, is specifically related to a kind of oil pipeline oil quality on-line monitoring system.
Background technology
Along with the great development of China's economy, oil is widely used in all trades and professions such as communications and transportation, petrochemical industry, is called as " the economic blood " of economy and even entire society.Become the important foundation stone of China's economic development, as long as no a kind of new replacement of fuel oil, the status of oil in our life just cannot replace.Undeniable, the important several times war of eighties of last century outburst, oil is the key factor of its behind.Petroleum derivation product can be divided into: six classes such as oil fuel, white spirit and industrial chemicals, lubricant, paraffin, petroleum bitumen, petroleum coke, these are all closely related with our life, in order to economize energy and the safety ensureing national resources, the inspection technology of fluid in petroleum derivation product must be improved, greatly develop the detection technique of fluid safety; According to statistics, contaminated fluid, can accelerate the corrosion to element.For normal system, the impurity be mixed into can cause damage to equipment, if cause oil pipeline to block, not only reduces its work efficiency and life-span, even makes its work complete failure, produces blast; For pipeline, the impurity in fluid can make it scratch inner wall surface, causes hazards.Therefore, keep the clean of fluid and safety, for element reliable, life-span, security uses great benefit.
Existing oil pipeline oil quality monitoring system functional is single, only gather oil pipeline fluid granule density and adopt pressure differential method more, laser particle count method, supersonic sounding or image treating, pressure differential method needs too much manual operation in testing process, laser particle count method and image treating high to hardware requirement, input cost is high, be not easy to promote the use of, and day by day ripe for ultrasonic technology, its installation and maintenance are simple, affect little by environmental baseline factor, traditional ultrasonic Detection Method uses microcontroller to control all in real time radiating circuit and receiving circuit, control complicated, be convenient to the transmitting of remote ultrasonic signal or the reliable and stable of reception, and oil pipeline fluid particle detection is due to apart from short, ultrasonic signal transmission and reception speed is fast, and control if re-use microcontroller to ultrasonic transmit circuit and ultrasound wave receiving circuit, efficiency is low, if oil pipeline blocks, the fluid speed flowed in pipeline, pressure or temperature all there will be abnormal conditions, therefore, nowadays a kind of structure is lacked simple, complete function, Wireless Data Transmission speed is fast, volume is little, cost is low, reasonable in design, the oil pipeline oil quality on-line monitoring system that ultrasonic transmission efficiency is high, vibration frequency is produced by ultrasonic transmit circuit own resonance, by ultrasound wave transmitting probe, sound wave sent again and do not need to rely on microprocessor controls, speed pickup is set simultaneously and gathers fluid flowing velocity, Fibre Optical Sensor gathers oil liquid temperature data and pressure data, solve ultrasound wave launch and accept efficiency in existing oil pipeline oil quality monitoring system low, control complicated, input cost is high, the problems such as function singleness.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of oil pipeline oil quality on-line monitoring system is provided, it is rationally novel in design, structure is simple, detect oil flow and temperature and pressure data by ultrasonic listening fluid particle simultaneously, and timely by Wireless Data Transmission online monitoring data, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of oil pipeline oil quality on-line monitoring system, is characterized in that: comprise multiple to be laid on monitored oil pipeline and by the oily monitoring means of communication transmission data and the monitoring host computer that is laid in for on-line monitoring oil pipeline oil quality in Control Room, each described oily monitoring means comprises ultrasound wave transmitting probe and the ultrasound wave receiving transducer that radial symmetry is arranged on oil pipeline both sides, and for gathering and the electronic circuit board of the oily parameter of ultrasound wave transmitting probe and described ultrasound wave receiving transducer installed position described in wireless transmission, the first wireless communication module that each described electronic circuit board comprises the first data collector and connects with described first data collector, the input end of described first data collector is connected to division circuit, speed pickup and Fibre Optical Sensor, the first data storage circuitry that the input end of described division circuit is connected to attenuator circuit and connects with described attenuator circuit output terminal, the input end of described first data storage circuitry connects with the output terminal of described first data collector, the input end of described attenuator circuit is connected to the first signal amplification circuit and secondary signal amplifying circuit, the input end of described first signal amplification circuit is connected to ultrasonic transmit circuit, the input end of described secondary signal amplifying circuit is connected to the ultrasound wave receiving circuit for the ultrasonic signal of ultrasonic transmit circuit transmission described in wireless receiving, described ultrasound wave transmitting probe is connected to the signal output part of described ultrasonic transmit circuit, and described ultrasound wave receiving transducer is connected to the signal input part of described ultrasound wave receiving circuit, multiple described oily monitoring means is laid from front to back along the length direction of the oil pipeline of monitoring, and the spacing between adjacent two the described oily monitoring means in front and back is 50m ~ 100m, described monitoring host computer comprises the second data collector and the second data storage circuitry of connecting with described second data collector and the second wireless communication module exchanged with described first wireless communication module wireless data, and the output terminal of described second data collector is connected to display and controls pilot lamp.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, is characterized in that: described first data collector comprises the chip U7 that model is STM32F105; Described second data collector comprises the chip U8 that model is STM32F105.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described ultrasonic transmit circuit comprises triode Q1, inductance L 1, variable capacitance C1 and variable capacitance C4, the collector of described triode Q1 divides three tunnels, leading up to inductance L 1 in parallel and variable capacitance C1 connects with 5V power output end, another road connects with one end of resistance R10, and the 3rd tunnel connects with one end of described ultrasound wave transmitting probe; The base stage of triode Q1 divides two-way, and a road connects with 5V power output end through resistance R2, and another road connects with one end of electric capacity C3 in parallel and resistance R7; The emitter of triode Q1 connects with one end of resistance R11 in parallel and variable capacitance C4, the resistance R11 of described parallel connection and the other end of variable capacitance C4, the electric capacity C3 of described parallel connection and the equal ground connection of the other end of the other end of resistance R7, the other end of described resistance R10 and described ultrasound wave transmitting probe.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described first signal amplification circuit comprises the chip U1 that model is LM358,2nd pin of described chip U1 is connected with the collector of described triode Q1 by resistance R4,3rd pin of chip U1 is by resistance R9 ground connection, 1st pin of chip U1 divides two-way, the tie point of leading up between resistance R3 and the 2nd pin of resistance R4 and chip U1 connects, and another road connects with the 5th pin of chip U1; 7th pin of chip U1 is through resistance R13 and resistance R12 ground connection, and the link of resistance R13 and resistance R12 connects with the 6th pin of chip U1.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described ultrasound wave receiving circuit comprises the chip U2 that model is LM358,3rd pin of described chip U2 is connected with one end of described ultrasound wave receiving transducer by electric capacity C5 and resistance R20, the other end ground connection of ultrasound wave receiving transducer, 1st pin of chip U2 divides three tunnels, resistance R16 of leading up to connects with the 2nd pin of chip U2 and the link of resistance R17, the other end connects with the link of electric capacity C5 and resistance R20, and the 3rd tunnel is the signal output part of ultrasound wave receiving circuit;
Described secondary signal amplifying circuit comprises the chip U3 that model is LM358,2nd pin of described chip U3 is connected with the signal output part of described ultrasound wave receiving circuit by resistance R19,3rd pin of chip U3 is by resistance R23 ground connection, 1st pin of chip U3 divides two-way, the tie point of leading up between resistance R18 and the 2nd pin of resistance R19 and chip U3 connects, and another road connects with the 5th pin of chip U3; 7th pin of chip U3 is through resistance R25 and resistance R24 ground connection, and the link of resistance R25 and resistance R24 connects with the 6th pin of chip U3.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described attenuator circuit comprises the chip U4 that model is uA741, the in-phase input end of described chip U4 connects the 7th pin of described chip U1 by resistance R5, the inverting input of chip U4 connects the 7th pin of described chip U3 by resistance R6, the output terminal of chip U4 connects with the inverting input of chip U4 through resistance R8;
Described first data storage circuitry is d type flip flop CD40174, the D0 pin of described d type flip flop CD40174 connects with the output terminal of chip U4,1st pin of d type flip flop CD40174 connects with the PA4 pin of chip U7, and the 9th pin of d type flip flop CD40174 connects with the PA5 pin of chip U7.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described division circuit comprises the chip U5 and change mutual conductance formula analog multiplier KVY that model is uA741, the in-phase input end of described chip U5 connects with the Q pin of described d type flip flop CD40174 through resistance R15, the output terminal of chip U5 divides two-way, one tunnel connects with the input end becoming mutual conductance formula analog multiplier KVY, and another road connects with the PC0 pin of chip U7; Another input end becoming mutual conductance formula analog multiplier KVY connects with the output terminal of described chip U4, and the output terminal becoming mutual conductance formula analog multiplier KVY connects with the in-phase input end of chip U5 through resistance R14, and the inverting input of chip U5 is through resistance R21 ground connection.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, it is characterized in that: described speed pickup comprises chip KGS7A, 2nd pin of described chip KGS7A connects with the PC1 pin of chip U7, and the 3rd pin of chip KGS7A connects with the PC2 pin of chip U7.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, is characterized in that: described Fibre Optical Sensor comprises sensor FU-7F.
Above-mentioned a kind of oil pipeline oil quality on-line monitoring system, is characterized in that: described first wireless communication module comprises the chip U6 that model is A7121; Described second wireless communication module comprises the chip U8 that model is A7121.
The utility model compared with prior art has the following advantages:
1, the utility model is by arranging ultrasonic transmit circuit and ultrasound wave receiving circuit monitoring fluid granule density, Negotiation speed sensor gathers fluid velocity of liquid assets in pipeline, gather oil liquid temperature parameter and pressure parameter in pipeline by Fibre Optical Sensor, complete function, circuit is simple.
2, the utility model is by arranging the first wireless communication module and the second wireless communication module, first wireless communication module and the second wireless communication module all adopt model to be the wireless communication chips of A7121, and frequency of operation is high, long transmission distance, reliable and stable, result of use is good.
3, the utility model is by arranging ultrasonic transmit circuit and powering on to it, produce vibration frequency by ultrasonic transmit circuit own resonance and launch acoustic signals by ultrasound wave transmitting probe, decrease the triggering of controller, control simple, ultrasound wave output speed is fast.
4, the utility model is by arranging the first data storage circuitry and the second data storage circuitry, wherein, first data storage circuitry realizes data temporary storage, first data storage circuitry adopts d type flip flop, d type flip flop can store the data of current input, and when inputting data next time, last secondary data is wiped free of, send into division circuit and compare current data and eve data, quicklook can know the oil quality situation of change of process in oil pipeline; Second data storage circuitry data realize mass data longer-term storage, for subsequent reference.
5, the utility model is rationally novel in design, and volume is little, and input cost is low, controls simple, easy to operate, removes and installs quick, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and structure is simple, detects oil flow and temperature and pressure data by ultrasonic listening fluid particle simultaneously, and timely by Wireless Data Transmission online monitoring data, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model first data collector.
Fig. 3 is the circuit theory diagrams of the utility model first wireless communication module.
Fig. 4 is the circuit connecting relation schematic diagram of the utility model ultrasonic transmit circuit and ultrasound wave transmitting probe.
Fig. 5 is the circuit theory diagrams of the utility model first signal amplification circuit.
Fig. 6 is the circuit connecting relation schematic diagram of the utility model ultrasound wave receiving transducer, ultrasound wave receiving circuit and secondary signal amplifying circuit.
Fig. 7 is the circuit theory diagrams of the utility model attenuator circuit.
Fig. 8 is the circuit theory diagrams of the utility model first data storage circuitry.
Fig. 9 is the circuit theory diagrams of the utility model division circuit.
Figure 10 is the circuit theory diagrams of the utility model speed pickup.
Figure 11 is the circuit theory diagrams of the utility model second data collector.
Figure 12 is the circuit theory diagrams of the utility model second wireless communication module.
Description of reference numerals:
1-1-the first data collector; 1-2-ultrasonic transmit circuit; 1-3-ultrasound wave receiving circuit;
1-4-the first signal amplification circuit; 1-5-secondary signal amplifying circuit;
1-6-attenuator circuit; 1-7-the first data storage circuitry;
1-8-division circuit; 1-9-speed pickup; 1-10-Fibre Optical Sensor;
1-11-the first wireless communication module; 2-the second data collector;
3-the second wireless communication module; 4-the second data storage circuitry; 5-display;
6-control pilot lamp.
Embodiment
As shown in Figure 1, the utility model comprises multiple to be laid on monitored oil pipeline and by the oily monitoring means of communication transmission data and the monitoring host computer that is laid in for on-line monitoring oil pipeline oil quality in Control Room, each described oily monitoring means comprises ultrasound wave transmitting probe and the ultrasound wave receiving transducer that radial symmetry is arranged on oil pipeline both sides, and for gathering and the electronic circuit board of the oily parameter of ultrasound wave transmitting probe and described ultrasound wave receiving transducer installed position described in wireless transmission, the first wireless communication module 1-11 that each described electronic circuit board comprises the first data collector 1-1 and connects with described first data collector 1-1, the input end of described first data collector 1-1 is connected to division circuit 1-8, speed pickup 1-9 and Fibre Optical Sensor 1-10, the first data storage circuitry 1-7 that the input end of described division circuit 1-8 is connected to attenuator circuit 1-6 and connects with described attenuator circuit 1-6 output terminal, the input end of described first data storage circuitry 1-7 connects with the output terminal of described first data collector 1-1, the input end of described attenuator circuit 1-6 is connected to the first signal amplification circuit 1-4 and secondary signal amplifying circuit 1-5, the input end of described first signal amplification circuit 1-4 is connected to ultrasonic transmit circuit 1-2, the input end of described secondary signal amplifying circuit 1-5 is connected to the ultrasound wave receiving circuit 1-3 of the ultrasonic signal transmitted for ultrasonic transmit circuit 1-2 described in wireless receiving, described ultrasound wave transmitting probe is connected to the signal output part of described ultrasonic transmit circuit 1-2, and described ultrasound wave receiving transducer is connected to the signal input part of described ultrasound wave receiving circuit 1-3, multiple described oily monitoring means is laid from front to back along the length direction of the oil pipeline of monitoring, and the spacing between adjacent two the described oily monitoring means in front and back is 50m ~ 100m, described monitoring host computer comprises the second data collector 2 and the second data storage circuitry 4 of connecting with described second data collector 2 and the second wireless communication module 3 exchanged with described first wireless communication module 1-11 wireless data, and the output terminal of described second data collector 2 is connected to display 5 and controls pilot lamp 6.
As shown in figs. 2 and 11, in the present embodiment, described first data collector 1-1 comprises the chip U7 that model is STM32F105; Described second data collector 2 comprises the chip U8 that model is STM32F105.
As shown in Figure 4, in the present embodiment, described ultrasonic transmit circuit 1-2 comprises triode Q1, inductance L 1, variable capacitance C1 and variable capacitance C4, the collector of described triode Q1 divides three tunnels, leading up to inductance L 1 in parallel and variable capacitance C1 connects with 5V power output end, another road connects with one end of resistance R10, and the 3rd tunnel connects with one end of described ultrasound wave transmitting probe; The base stage of triode Q1 divides two-way, and a road connects with 5V power output end through resistance R2, and another road connects with one end of electric capacity C3 in parallel and resistance R7; The emitter of triode Q1 connects with one end of resistance R11 in parallel and variable capacitance C4, the resistance R11 of described parallel connection and the other end of variable capacitance C4, the electric capacity C3 of described parallel connection and the equal ground connection of the other end of the other end of resistance R7, the other end of described resistance R10 and described ultrasound wave transmitting probe.
As shown in Figure 5, in the present embodiment, described first signal amplification circuit 1-4 comprises the chip U1 that model is LM358,2nd pin of described chip U1 is connected with the collector of described triode Q1 by resistance R4,3rd pin of chip U1 is by resistance R9 ground connection, 1st pin of chip U1 divides two-way, and the tie point of leading up between resistance R3 and the 2nd pin of resistance R4 and chip U1 connects, and another road connects with the 5th pin of chip U1; 7th pin of chip U1 is through resistance R13 and resistance R12 ground connection, and the link of resistance R13 and resistance R12 connects with the 6th pin of chip U1.
As shown in Figure 6, in the present embodiment, described ultrasound wave receiving circuit 1-3 comprises the chip U2 that model is LM358,3rd pin of described chip U2 is connected with one end of described ultrasound wave receiving transducer by electric capacity C5 and resistance R20, the other end ground connection of ultrasound wave receiving transducer, 1st pin of chip U2 divides three tunnels, resistance R16 of leading up to connects with the 2nd pin of chip U2 and the link of resistance R17, the other end connects with the link of electric capacity C5 and resistance R20, and the 3rd tunnel is the signal output part of ultrasound wave receiving circuit 1-3;
Described secondary signal amplifying circuit 1-5 comprises the chip U3 that model is LM358,2nd pin of described chip U3 is connected with the signal output part of described ultrasound wave receiving circuit 1-3 by resistance R19,3rd pin of chip U3 is by resistance R23 ground connection, 1st pin of chip U3 divides two-way, the tie point of leading up between resistance R18 and the 2nd pin of resistance R19 and chip U3 connects, and another road connects with the 5th pin of chip U3; 7th pin of chip U3 is through resistance R25 and resistance R24 ground connection, and the link of resistance R25 and resistance R24 connects with the 6th pin of chip U3.
As shown in Figure 7 and Figure 8, in the present embodiment, described attenuator circuit 1-6 comprises the chip U4 that model is uA741, the in-phase input end of described chip U4 connects the 7th pin of described chip U1 by resistance R5, the inverting input of chip U4 connects the 7th pin of described chip U3 by resistance R6, the output terminal of chip U4 connects with the inverting input of chip U4 through resistance R8;
Described first data storage circuitry 1-7 is d type flip flop CD40174, the D0 pin of described d type flip flop CD40174 connects with the output terminal of chip U4,1st pin of d type flip flop CD40174 connects with the PA4 pin of chip U7, and the 9th pin of d type flip flop CD40174 connects with the PA5 pin of chip U7.
As shown in Figure 9, in the present embodiment, described division circuit 1-8 comprises the chip U5 and change mutual conductance formula analog multiplier KVY that model is uA741, the in-phase input end of described chip U5 connects with the Q pin of described d type flip flop CD40174 through resistance R15, the output terminal of chip U5 divides two-way, one tunnel connects with the input end becoming mutual conductance formula analog multiplier KVY, and another road connects with the PC0 pin of chip U7; Another input end becoming mutual conductance formula analog multiplier KVY connects with the output terminal of described chip U4, and the output terminal becoming mutual conductance formula analog multiplier KVY connects with the in-phase input end of chip U5 through resistance R14, and the inverting input of chip U5 is through resistance R21 ground connection.
As shown in Figure 10, in the present embodiment, described speed pickup 1-9 comprises chip KGS7A, and the 2nd pin of described chip KGS7A connects with the PC1 pin of chip U7, and the 3rd pin of chip KGS7A connects with the PC2 pin of chip U7.
In the present embodiment, described Fibre Optical Sensor 1-10 comprises sensor FU-7F.
As shown in Fig. 3 and Figure 12, in the present embodiment, described first wireless communication module 1-11 comprises the chip U6 that model is A7121; Described second wireless communication module 3 comprises the chip U8 that model is A7121.
In physical cabling, the RX_CLK pin of chip U6, RX_SYN pin, CD_TXEN pin, TRXD pin, TXD pin, F_CLK pin, MS0 pin and MS1 pin connect with the PA13 pin of chip U7, PA12 pin, PA11 pin, PA10 pin, PA9 pin, PA8 pin, PC9 pin and PC8 pin respectively, and the RFI pin of chip U6 and RFO pin are by antenna E1 wireless transmission data; The RX_CLK pin of chip U8, RX_SYN pin, CD_TXEN pin, TRXD pin, TXD pin, F_CLK pin, MS0 pin and MS1 pin connect with the PA13 pin of chip U9, PA12 pin, PA11 pin, PA10 pin, PA9 pin, PA8 pin, PC9 pin and PC8 pin respectively, and the RFI pin of chip U8 and RFO pin are by antenna E2 wireless receiving data.
When the utility model uses, the length direction along the oil pipeline of monitoring lays multiple oily monitoring means from front to back, and the spacing between adjacent two the oily monitoring means in front and back is 50m ~ 100m, each oily monitoring means is by the first wireless communication module 3 Wireless Data Transmission in the first wireless communication module 1-11 and monitoring host computer, data are all stored by the second data storage circuitry 4, in each oily monitoring means, ultrasound wave transmitting probe and ultrasound wave receiving transducer radial symmetry are arranged on oil pipeline both sides and detect the oil quality flow through in the oil pipeline of ultrasound wave transmitting probe and ultrasound wave receiving transducer, ultrasonic transmit circuit 1-2 makes it produce resonance signal by regulating variable capacitance C1 and variable capacitance C4, the signal output part of ultrasonic transmit circuit 1-2 leads up to ultrasound wave transmitting probe wireless transmit ultrasonic signal through oil pipeline, faint ultrasonic signal amplifies by wired connection first signal amplification circuit 1-4 of separately leading up to, be convenient to subsequent treatment check, the ultrasound wave receiving transducer of oil pipeline radial symmetry end receives ultrasonic signal, by ultrasound wave receiving circuit 1-3, ultrasonic signal is converted to electric signal, then is amplified in proportion by the faint ultrasonic signal received through secondary signal amplifying circuit 1-5, if oil quality is good, because ultrasonic transmission is apart from short, it is less that ultrasonic signal is launched, it is less that the signal that first signal amplification circuit 1-4 and secondary signal amplifying circuit 1-5 export sends into the data difference fluctuation that attenuator circuit 1-6 obtains simultaneously, be stored in the data in the first data storage circuitry 1-7 and the data in attenuator circuit 1-6 close, the data fluctuations that the output data of attenuator circuit 1-6 and the output data of the first data storage circuitry 1-7 obtain through division circuit 1-8 is simultaneously less, the simulating signal of output is sent in the first data collector 1-1 by division circuit 1-8, the speed that fluid simultaneously in speed pickup 1-9 Real-time Collection oil pipeline flows through, oil liquid temperature data in Fibre Optical Sensor 1-10 Real-time Collection oil pipeline and pressure data, if oil quality is poor, it is more that ultrasonic signal is launched, it is larger that the signal that first signal amplification circuit 1-4 and secondary signal amplifying circuit 1-5 export sends into the data difference fluctuation that attenuator circuit 1-6 obtains simultaneously, be stored in the data in the first data storage circuitry 1-7 and the data difference in attenuator circuit 1-6 large, the data fluctuations that the output data of attenuator circuit 1-6 and the output data of the first data storage circuitry 1-7 obtain through division circuit 1-8 is simultaneously larger, the simulating signal of output is sent in the first data collector 1-1 by division circuit 1-8, the speed that fluid simultaneously in speed pickup 1-9 Real-time Collection oil pipeline flows through, oil liquid temperature data in Fibre Optical Sensor 1-10 Real-time Collection oil pipeline and pressure data, the data of reception are shown by display 5 by the second data collector 2 in real time, the oil quality in the oil pipeline flowing through ultrasound wave transmitting probe and ultrasound wave receiving transducer is known in fluctuation change by data, if there is the dangerous situations such as oil pipeline blocking, control pilot lamp 6 and convert prompting, avoid dangerous severe event to occur, result of use is good.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.

Claims (10)

1. an oil pipeline oil quality on-line monitoring system, is characterized in that: comprise multiple to be laid on monitored oil pipeline and by the oily monitoring means of communication transmission data and the monitoring host computer that is laid in for on-line monitoring oil pipeline oil quality in Control Room; Each described oily monitoring means comprises ultrasound wave transmitting probe and the ultrasound wave receiving transducer that radial symmetry is arranged on oil pipeline both sides, and for gathering and the electronic circuit board of the oily parameter of ultrasound wave transmitting probe and described ultrasound wave receiving transducer installed position described in wireless transmission; the first wireless communication module (1-11) that each described electronic circuit board comprises the first data collector (1-1) and connects with described first data collector (1-1), the input end of described first data collector (1-1) is connected to division circuit (1-8), speed pickup (1-9) and Fibre Optical Sensor (1-10), the first data storage circuitry (1-7) that the input end of described division circuit (1-8) is connected to attenuator circuit (1-6) and connects with described attenuator circuit (1-6) output terminal, the input end of described first data storage circuitry (1-7) connects with the output terminal of described first data collector (1-1), the input end of described attenuator circuit (1-6) is connected to the first signal amplification circuit (1-4) and secondary signal amplifying circuit (1-5), the input end of described first signal amplification circuit (1-4) is connected to ultrasonic transmit circuit (1-2), the input end of described secondary signal amplifying circuit (1-5) is connected to the ultrasound wave receiving circuit (1-3) of the ultrasonic signal transmitted for ultrasonic transmit circuit described in wireless receiving (1-2), described ultrasound wave transmitting probe is connected to the signal output part of described ultrasonic transmit circuit (1-2), and described ultrasound wave receiving transducer is connected to the signal input part of described ultrasound wave receiving circuit (1-3), multiple described oily monitoring means is laid from front to back along the length direction of the oil pipeline of monitoring, and the spacing between adjacent two the described oily monitoring means in front and back is 50m ~ 100m, described monitoring host computer comprises the second data collector (2) and the second data storage circuitry (4) of connecting with described second data collector (2) and the second wireless communication module (3) exchanged with described first wireless communication module (1-11) wireless data, and the output terminal of described second data collector (2) is connected to display (5) and controls pilot lamp (6).
2. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 1, it is characterized in that: described first data collector (1-1) comprises the chip U7 that model is STM32F105; Described second data collector (2) comprises the chip U8 that model is STM32F105.
3. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 1, it is characterized in that: described ultrasonic transmit circuit (1-2) comprises triode Q1, inductance L 1, variable capacitance C1 and variable capacitance C4, the collector of described triode Q1 divides three tunnels, leading up to inductance L 1 in parallel and variable capacitance C1 connects with 5V power output end, another road connects with one end of resistance R10, and the 3rd tunnel connects with one end of described ultrasound wave transmitting probe; The base stage of triode Q1 divides two-way, and a road connects with 5V power output end through resistance R2, and another road connects with one end of electric capacity C3 in parallel and resistance R7; The emitter of triode Q1 connects with one end of resistance R11 in parallel and variable capacitance C4, the resistance R11 of described parallel connection and the other end of variable capacitance C4, the electric capacity C3 of described parallel connection and the equal ground connection of the other end of the other end of resistance R7, the other end of described resistance R10 and described ultrasound wave transmitting probe.
4. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 3, it is characterized in that: described first signal amplification circuit (1-4) comprises the chip U1 that model is LM358,2nd pin of described chip U1 is connected with the collector of described triode Q1 by resistance R4,3rd pin of chip U1 is by resistance R9 ground connection, 1st pin of chip U1 divides two-way, the tie point of leading up between resistance R3 and the 2nd pin of resistance R4 and chip U1 connects, and another road connects with the 5th pin of chip U1; 7th pin of chip U1 is through resistance R13 and resistance R12 ground connection, and the link of resistance R13 and resistance R12 connects with the 6th pin of chip U1.
5. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 4, it is characterized in that: described ultrasound wave receiving circuit (1-3) comprises the chip U2 that model is LM358, 3rd pin of described chip U2 is connected with one end of described ultrasound wave receiving transducer by electric capacity C5 and resistance R20, the other end ground connection of ultrasound wave receiving transducer, 1st pin of chip U2 divides three tunnels, resistance R16 of leading up to connects with the 2nd pin of chip U2 and the link of resistance R17, the other end connects with the link of electric capacity C5 and resistance R20, 3rd tunnel is the signal output part of ultrasound wave receiving circuit (1-3),
Described secondary signal amplifying circuit (1-5) comprises the chip U3 that model is LM358,2nd pin of described chip U3 is connected with the signal output part of described ultrasound wave receiving circuit (1-3) by resistance R19,3rd pin of chip U3 is by resistance R23 ground connection, 1st pin of chip U3 divides two-way, the tie point of leading up between resistance R18 and the 2nd pin of resistance R19 and chip U3 connects, and another road connects with the 5th pin of chip U3; 7th pin of chip U3 is through resistance R25 and resistance R24 ground connection, and the link of resistance R25 and resistance R24 connects with the 6th pin of chip U3.
6. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 5, it is characterized in that: described attenuator circuit (1-6) comprises the chip U4 that model is uA741, the in-phase input end of described chip U4 connects the 7th pin of described chip U1 by resistance R5, the inverting input of chip U4 connects the 7th pin of described chip U3 by resistance R6, the output terminal of chip U4 connects with the inverting input of chip U4 through resistance R8;
Described first data storage circuitry (1-7) is d type flip flop CD40174, the D0 pin of described d type flip flop CD40174 connects with the output terminal of chip U4,1st pin of d type flip flop CD40174 connects with the PA4 pin of chip U7, and the 9th pin of d type flip flop CD40174 connects with the PA5 pin of chip U7.
7. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 6, it is characterized in that: described division circuit (1-8) comprises the chip U5 and change mutual conductance formula analog multiplier KVY that model is uA741, the in-phase input end of described chip U5 connects with the Q pin of described d type flip flop CD40174 through resistance R15, the output terminal of chip U5 divides two-way, one tunnel connects with the input end becoming mutual conductance formula analog multiplier KVY, and another road connects with the PC0 pin of chip U7; Another input end becoming mutual conductance formula analog multiplier KVY connects with the output terminal of described chip U4, and the output terminal becoming mutual conductance formula analog multiplier KVY connects with the in-phase input end of chip U5 through resistance R14, and the inverting input of chip U5 is through resistance R21 ground connection.
8. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 2, it is characterized in that: described speed pickup (1-9) comprises chip KGS7A, 2nd pin of described chip KGS7A connects with the PC1 pin of chip U7, and the 3rd pin of chip KGS7A connects with the PC2 pin of chip U7.
9., according to a kind of oil pipeline oil quality on-line monitoring system according to claim 1, it is characterized in that: described Fibre Optical Sensor (1-10) comprises sensor FU-7F.
10. according to a kind of oil pipeline oil quality on-line monitoring system according to claim 1, it is characterized in that: described first wireless communication module (1-11) comprises the chip U6 that model is A7121; Described second wireless communication module (3) comprises the chip U8 that model is A7121.
CN201520406188.XU 2015-06-12 2015-06-12 A kind of oil pipeline oil quality on-line monitoring system Expired - Fee Related CN204649244U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105675058A (en) * 2016-02-29 2016-06-15 国家电网公司 Oil level and oil leakage detection apparatus and method for transverse corrugated pipe type oil conservator
CN109695823A (en) * 2019-02-28 2019-04-30 中国海洋石油集团有限公司 A kind of pressure test device and method of slurries line clogging early warning

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105675058A (en) * 2016-02-29 2016-06-15 国家电网公司 Oil level and oil leakage detection apparatus and method for transverse corrugated pipe type oil conservator
CN109695823A (en) * 2019-02-28 2019-04-30 中国海洋石油集团有限公司 A kind of pressure test device and method of slurries line clogging early warning

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