CN105736954A - Underground metal pipeline leakage detection circuit for urban water supply - Google Patents
Underground metal pipeline leakage detection circuit for urban water supply Download PDFInfo
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- CN105736954A CN105736954A CN201610257382.5A CN201610257382A CN105736954A CN 105736954 A CN105736954 A CN 105736954A CN 201610257382 A CN201610257382 A CN 201610257382A CN 105736954 A CN105736954 A CN 105736954A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
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Abstract
The invention discloses an underground metal pipeline leakage detection circuit for urban water supply. The underground metal pipeline leakage detection circuit for urban water supply comprises a control and alarm module, a high-frequency oscillation module, a data acquisition and amplification module, an analog-digital conversion module and a power module. According to an electromagnetic induction principle, alternating current passes through an inductance coil to produce a rapidly changing magnetic field, the magnetic field is capable of producing induced eddy inside an underground metal pipeline to be detected, and the induced eddy can affect original magnetic field intensity in turn. The magnetic field intensity is converted to a voltage signal by a Hall sensor, and a voltage value is subtracted from a preset value, so that whether the metal pipeline for water supply leaks or not is judged and detected by analyzing a difference value. For areas and pipelines prone to leakage, the method can be used for irregular detection, and finding leakage of underground water supply pipelines, overhauling and safe operation of a water supply system have important economic and social benefits.
Description
Technical field
The present invention relates to the detection of water-supply systems and safe operation field, be specifically related to the soil's rigidity circuit of a kind of underground metal pipes for urban water supply.
Background technology
Water system ensures the domestic water in city, water for industrial use and other is with the regular supply of water, is the life of modern city.For a long time, China's Urban Underground water supply network leak rate is significantly high, and the substantial amounts of water seepage by underground pipe network causes the huge waste of water resource；Pipe network model causes unstable " secondary pollution " with sudden change, water quality inferiority and pipe network of pressure of supply water etc. all to affect common people's daily life；Groundwater supply pipeline leakage can be taken away a large amount of silts, is formed and subsides in a large number, constitutes substantial amounts of hidden dangers in project.As can be seen here, groundwater supply pipeline leakage causes a large amount of economic loss, all brings huge potential safety hazard to the life in city and safety in production.
City supply water pipeline is buried in underground, bad environments, and its soil's rigidity technology is perfect not, and to the timely detection and location of water supply line leakage loss, maintenance and safe operation bring very big difficulty.Traditional water supply network soil's rigidity method has passive maintenance method and audition method.Passive maintenance method is a kind of method just carrying out after finding bright leakage overhauling.The leak detection of audition method is to utilize underground piping to leak produce sound and knock water pipe, estimates a kind of method that whether pipeline leaks, estimate small opening position on ground.Audition method leak hunting method main drawback is that (1) sound sometimes is big, hears that the scope of the sound is excessive, it is difficult to determine correct leaking area；(2) sound place that sometimes leaks is not necessarily leak source, relies primarily on the experience of people's long term accumulation；(3) in heavy traffic, area that noise is strong, audition method is difficult to normal operation；(4) some sound is too small, is also difficult to the detection of audition method.Although now based on audition method, the technology having carried out many improvement, instrument performance and operator improves constantly, but still suffering from significant limitation, particularly automaticity is low, and noise is excessive, when piping laying is crossed deep, whether leakage loss is still extremely difficult to infer pipeline.
Summary of the invention
The present invention is directed to the deficiency of existing water supply line soil's rigidity, the present invention proposes a kind of metallic conduit soil's rigidity circuit supplied water for Urban Underground.
A kind of metallic conduit soil's rigidity circuit supplied water for Urban Underground of the present invention, including: control and alarm module, high frequency oscillation module, data acquisition and amplification module, analog-to-digital conversion module and power module.
Control and alarm module is by control chip MSP430f149, first resistance R1, 20th resistance R20, 21st resistance R21, button RESET, buzzer BELL, second LED 2, first audion Q1, first ceramic condenser C1, second ceramic condenser C2, 3rd ceramic condenser C3, 4th ceramic condenser C4, 16th ceramic condenser C16, 18th ceramic condenser C18, 19th ceramic condenser C19, first electrochemical capacitor C17, second electrochemical capacitor C20, first crystal oscillator CRYSTAL and the second crystal oscillator CRYSTAL2 composition.Wherein, the 4 of control chip MSP430f149,5,6,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,45,49,50,51,53,54,55,56,57,59,60,61 foot rests are empty.
One end of 4th ceramic condenser C4 with the 62 of control chip MSP430f149,63 feet be connected and ground connection, the other end of the 4th ceramic condenser C4 is connected with 64 feet of control chip MSP430f149.The one termination power VCC of the first resistance R1, the other end of the first resistance R1 and 58 feet of control chip MSP430f149, one end of 3rd ceramic condenser C3, one end of button RESET connects, the other end of the 3rd ceramic condenser C3 and the other end of button RESET, one end of first ceramic condenser C1, one end of second ceramic condenser C2 connects and ground connection, the other end of the second ceramic condenser C2 and one end of the second crystal oscillator CRYSTAL2, 53 feet of control chip MSP430f149 connect, the other end of the first ceramic condenser C1 and the other end of the second crystal oscillator CRYSTAL2, 52 feet of control chip MSP430f149 connect.The one termination power VCC of buzzer BELL, the other end of buzzer BELL and the colelctor electrode of the first audion Q1 connect, the grounded emitter of the first audion Q1, the base stage of the first audion Q1 is connected with one end of the 21st resistance R21, and the other end of the 21st resistance R21 is connected with 3 feet of control chip MSP430f149.The other end of the one termination power VCC of the 20th resistance R20, the 20th resistance R20 and the anode of the second LED 2 connect, and the negative electrode of the second LED 2 is connected with 2 feet of control chip MSP430f149.One end ground connection of the 16th ceramic condenser C16, the other end of the 16th ceramic condenser C16 is connected with 1 foot of control chip MSP430f149.The negative electrode of the first electrochemical capacitor C17 and one end of the 18th ceramic condenser C18, one end of 19th ceramic condenser C19, the negative electrode of the second electrochemical capacitor C20, 11 feet of control chip MSP430f149 connect, the anode of the first electrochemical capacitor C17 and the other end of the 18th ceramic condenser C18, 7 feet of control chip MSP430f149 connect, the anode of the second electrochemical capacitor C20 and the other end of the 19th ceramic condenser C19, 10 feet of control chip MSP430f149 connect, one end of first crystal oscillator CRYSTAL is connected with 8 feet of control chip MSP430f149, the other end of the first crystal oscillator CRYSTAL is connected with 9 feet of control chip MSP430f149.
High frequency oscillation module is made up of 555 intervalometers, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 5th ceramic condenser C5, the 6th ceramic condenser C6, the 7th ceramic condenser C7, the 8th ceramic condenser C8, the second inductance L2 and the second audion Q2.
The 4 of 555 intervalometers, 8 feet meet power supply VCC, the one termination power VCC of the second resistance R2, the other end of the second resistance R2 and 7 feet of 555 intervalometers, the 3rd resistance R3 one end connect, the other end of the 3rd resistance R3 with the 2 of 555 intervalometers, one end connection of 6 feet, the 6th ceramic condenser C6.One end of 555 intervalometer 5 feet and the 5th ceramic condenser C5 connects, and the other end of the other end of the 5th ceramic condenser C5 and 555 intervalometer 1 feet, the 6th ceramic condenser C6 connects and ground connection.3 feet of 555 intervalometers and one end of the 7th ceramic condenser C7 connect, and the other end of the 7th ceramic condenser C7 and the base stage of the second audion Q2 connect.The other end of the one termination power VCC of the 4th resistance R4, the 4th resistance R4 and one end of the 5th resistance R5 connect, the other end ground connection of the 5th resistance R5.The one termination power VCC of the 6th resistance R6, one end of the other end of the 6th resistance R6 and the colelctor electrode of the second audion Q2, the 8th ceramic condenser C8 connects, the other end of the 8th ceramic condenser C8 and one end of the second inductance L2 connect, the other end of the second inductance L2 and one end of the 8th resistance R8 connect, the other end ground connection of the 8th resistance R8.One end of the emitter stage of the second audion Q2 and one end of the 7th resistance R7, the 9th ceramic condenser C9 connects, and the other end of the 7th resistance R7 and the other end of the 9th ceramic condenser C9 connect and ground connection.
Data acquisition and amplification module are by chip UGN3503U, 9th resistance R9, tenth resistance R10, 11st resistance R11, 12nd resistance R12, 13rd resistance R13, 14th resistance R14, first slide rheostat Rw1, second slide rheostat Rw2, tenth ceramic condenser C10, 11st ceramic condenser C11, 12nd ceramic condenser C12, first diode D1, second diode D2, 3rd diode D3, first operational amplifier LM324A, second operational amplifier LM324B and the three operational amplifier LM324C composition.
The 1 foot ground connection of chip UGN3503U, 3 feet of chip UGN3503U meet power supply VCC, 2 feet of chip UGN3503U and one end of the tenth ceramic condenser C10 connect, one end of the other end of the tenth ceramic condenser C10 and one end of the tenth resistance R10, the 11st resistance R11 connects, the other end ground connection of the tenth resistance R10, the other end of the 11st resistance R11 and the normal phase input end of the first operational amplifier LM324A connect；One end of 9th resistance R9 is connected with power supply VCC, one end of the other end of the 9th resistance R9 and the negative-phase input of the first operational amplifier LM324A, the first slide rheostat Rw1 connects, the other end of the first slide rheostat Rw1 and one end of the 12nd resistance R12 connect, and one end of the other end of the 12nd resistance R12 and the outfan of the first operational amplifier LM324A, the 11st ceramic condenser C11 connects.The positive supply termination power VCC of the first operational amplifier LM324A, the negative power end ground connection of the first operational amplifier LM324A.The other end of the 11st ceramic condenser C11 and the positive terminal of the second operational amplifier LM324B connect, one end of the negative phase end of the second operational amplifier LM324B and the anode of the second diode D2, the 13rd resistance R13 connects, the anode of the negative electrode of the second diode D2 and the outfan of the second operational amplifier LM324B, the first diode D1 connects, the positive supply termination power VCC of the second operational amplifier LM324B, the negative power end ground connection of the second operational amplifier LM324B.One end of the negative electrode of the first diode D1 and the anode of the 3rd diode D3, the 14th resistance R14 connects, the positive terminal of the negative electrode of the 3rd diode D3 and one end of the 12nd ceramic condenser C12, the 3rd operational amplifier LM324C connects, the other end ground connection of the 12nd ceramic condenser C12.The other end of the other end of the 13rd resistance R13 and the negative phase end of the 3rd operational amplifier LM324C, the 14th resistance R14 connects, first fixing end of the outfan of the 3rd operational amplifier LM324C and the other end of the 13rd resistance R13, the second slide rheostat Rw2 connects, the second of second slide rheostat Rw2 fixing end ground connection, the 3rd of the second slide rheostat Rw2 slides and terminates 26 feet of modulus conversion chip ADC0809.The positive supply termination power VCC of the 3rd operational amplifier LM324C, the negative power end ground connection of the 3rd operational amplifier LM324C.
Analog-to-digital conversion module is made up of control chip MSP430f149, modulus conversion chip ADC0809 and the second slide rheostat Rw2.Wherein, the 1 of modulus conversion chip ADC0809,2,3,4,5,27,28 foot rests are empty.
null6 feet of modulus conversion chip ADC0809 are connected with 46 feet of control chip MSP430f149，7 feet of modulus conversion chip ADC0809 are connected with 44 feet of control chip MSP430f149，8 feet of modulus conversion chip ADC0809 are connected with 39 feet of control chip MSP430f149，9 feet of modulus conversion chip ADC0809 are connected with 47 feet of control chip MSP430f149，10 feet of modulus conversion chip ADC0809 are connected with 48 feet of control chip MSP430f149，The 11 of modulus conversion chip ADC0809、12 feet meet power supply VCC，The 13 of modulus conversion chip ADC0809、16、23、24、25 foot ground connection，14 feet of modulus conversion chip ADC0809 are connected with 37 feet of control chip MSP430f149，15 feet of modulus conversion chip ADC0809 are connected with 38 feet of control chip MSP430f149，17 feet of modulus conversion chip ADC0809 are connected with 36 feet of control chip MSP430f149，18 feet of modulus conversion chip ADC0809 are connected with 40 feet of control chip MSP430f149，19 feet of modulus conversion chip ADC0809 are connected with 41 feet of control chip MSP430f149，20 feet of modulus conversion chip ADC0809 are connected with 42 feet of control chip MSP430f149，21 feet of modulus conversion chip ADC0809 are connected with 43 feet of control chip MSP430f149，26 feet of modulus conversion chip ADC0809 and the sliding end of the second slide rheostat Rw2 connect.
Power module is made up of 220V alternating current power supply U, transformator TF1, three terminal regulator LM317, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8, the first LED the 1, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 3rd slide rheostat Rw3, the 14th ceramic condenser C14, the 3rd electrochemical capacitor C13 and the four electrochemical capacitor C15.
220V alternating current power supply U is connected with transformator TF1, one end of transformator TF1 is connected with the anode of the negative electrode of the 4th diode D4, the 6th diode D6, the anode of the 4th diode D4, the 5th diode D5 anode connect and ground connection, the negative electrode of the 5th diode D5 is connected with the anode of the other end of transformator TF1, the 7th diode D7；The negative electrode of the 7th diode D7 and the negative electrode of the 6th diode D6, one end of the 16th resistance R16, the anode of the 3rd electrochemical capacitor C13, one end of the 14th ceramic condenser C14, the negative electrode of the 8th diode D8, three terminal regulator LM317 3 feet connect, the anode connection of the other end of the 16th resistance R16 and the first LED 1；The negative electrode of the first LED 1, the negative electrode of the 3rd electrochemical capacitor C13, the other end ground connection of the 14th ceramic condenser C14, the anode of the 8th diode D8 and 2 feet of three terminal regulator LM317, one end of 17th resistance R17, the anode of the 4th electrochemical capacitor C15 connects, one end of 17th resistance R17 is connected with the first of the 3rd slide rheostat Rw3 the fixing end, 1 foot of three terminal regulator LM317 and the 3rd sliding end of the 3rd slide rheostat Rw3 connect, the fixing end of the second of 3rd slide rheostat Rw3 is connected with one end of the 18th resistance R18, the other end of the 18th resistance R18, the minus earth of the 4th electrochemical capacitor C15.
Beneficial effect: the present invention utilizes electromagnetic induction principle, allows alternating current pass through inductance coil, produces vertiginous magnetic field, and this magnetic field energy produces to induct eddy current inside detected underground metalliferous water supply line.Eddy current of inducting can affect again original magnetic field intensity in turn.Utilize Hall element that magnetic field intensity is converted to voltage signal, by poor to this magnitude of voltage and preset value, by the analysis of difference judging, whether the metal water supply line of detection leakage loss occurs.Moreover, compare with setting value according to the detection data collected, it is possible to analyze the exact position of pipe leakage and the substantially degree of leakage loss, it is also possible to judge the wear condition of this region underground metalliferous feed pipe and the possible degree of assessment generation leakage loss.To being prone to occur region and the pipeline of leakage loss, it is possible to use this method carries out the detection of variable interval, for finding the leakage loss of groundwater supply pipeline in time, the safe operation of maintenance and water system has important economic and social benefit.
Accompanying drawing explanation
Fig. 1 controls and alarm module circuitry；
Fig. 2 is high frequency oscillation module circuit；
Fig. 3 is data acquisition and amplification module；
Fig. 4 is analog-to-digital conversion module；
Fig. 5 is power module.
Detailed description of the invention
A kind of metallic conduit soil's rigidity circuit supplied water for Urban Underground includes: control and alarm module, high frequency oscillation module, data acquisition and amplification module, analog-to-digital conversion module and power module.
As it is shown in figure 1, control to be made up of control chip MSP430f149, the first resistance R1, the 20th resistance R20, the 21st resistance R21, button RESET, buzzer BELL, second LED the 2, first audion Q1, the first ceramic condenser C1, the second ceramic condenser C2, the 3rd ceramic condenser C3, the 4th ceramic condenser C4, the 16th ceramic condenser C16, the 18th ceramic condenser C18, the 19th ceramic condenser C19, the first electrochemical capacitor C17, the second electrochemical capacitor C20, the first crystal oscillator CRYSTAL and the second crystal oscillator CRYSTAL2 with alarm module.Wherein, the 4 of control chip MSP430f149,5,6,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,45,49,50,51,53,54,55,56,57,59,60,61 foot rests are empty.
One end of 4th ceramic condenser C4 with the 62 of control chip MSP430f149,63 feet be connected and ground connection, the other end of the 4th ceramic condenser C4 is connected with 64 feet of control chip MSP430f149.The one termination power VCC of the first resistance R1, the other end of the first resistance R1 and 58 feet of control chip MSP430f149, one end of 3rd ceramic condenser C3, one end of button RESET connects, the other end of the 3rd ceramic condenser C3 and the other end of button RESET, one end of first ceramic condenser C1, one end of second ceramic condenser C2 connects and ground connection, the other end of the second ceramic condenser C2 and one end of the second crystal oscillator CRYSTAL2, 53 feet of control chip MSP430f149 connect, the other end of the first ceramic condenser C1 and the other end of the second crystal oscillator CRYSTAL2, 52 feet of control chip MSP430f149 connect.The one termination power VCC of buzzer BELL, the other end of buzzer BELL and the colelctor electrode of the first audion Q1 connect, the grounded emitter of the first audion Q1, the base stage of the first audion Q1 is connected with one end of the 21st resistance R21, and the other end of the 21st resistance R21 is connected with 3 feet of control chip MSP430f149.The other end of the one termination power VCC of the 20th resistance R20, the 20th resistance R20 and the anode of the second LED 2 connect, and the negative electrode of the second LED 2 is connected with 2 feet of control chip MSP430f149.One end ground connection of the 16th ceramic condenser C16, the other end of the 16th ceramic condenser C16 is connected with 1 foot of control chip MSP430f149.The negative electrode of the first electrochemical capacitor C17 and one end of the 18th ceramic condenser C18, one end of 19th ceramic condenser C19, the negative electrode of the second electrochemical capacitor C20, 11 feet of control chip MSP430f149 connect, the anode of the first electrochemical capacitor C17 and the other end of the 18th ceramic condenser C18, 7 feet of control chip MSP430f149 connect, the anode of the second electrochemical capacitor C20 and the other end of the 19th ceramic condenser C19, 10 feet of control chip MSP430f149 connect, one end of first crystal oscillator CRYSTAL is connected with 8 feet of control chip MSP430f149, the other end of the first crystal oscillator CRYSTAL is connected with 9 feet of control chip MSP430f149.
As in figure 2 it is shown, high frequency oscillation module is made up of 555 intervalometers, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 5th ceramic condenser C5, the 6th ceramic condenser C6, the 7th ceramic condenser C7, the 8th ceramic condenser C8, the second inductance L2 and the second audion Q2.
The 4 of 555 intervalometers, 8 feet meet power supply VCC, the one termination power VCC of the second resistance R2, the other end of the second resistance R2 and 7 feet of 555 intervalometers, the 3rd resistance R3 one end connect, the other end of the 3rd resistance R3 with the 2 of 555 intervalometers, one end connection of 6 feet, the 6th ceramic condenser C6.One end of 555 intervalometer 5 feet and the 5th ceramic condenser C5 connects, and the other end of the other end of the 5th ceramic condenser C5 and 555 intervalometer 1 feet, the 6th ceramic condenser C6 connects and ground connection.3 feet of 555 intervalometers and one end of the 7th ceramic condenser C7 connect, and the other end of the 7th ceramic condenser C7 and the base stage of the second audion Q2 connect.The other end of the one termination power VCC of the 4th resistance R4, the 4th resistance R4 and one end of the 5th resistance R5 connect, the other end ground connection of the 5th resistance R5.The one termination power VCC of the 6th resistance R6, one end of the other end of the 6th resistance R6 and the colelctor electrode of the second audion Q2, the 8th ceramic condenser C8 connects, the other end of the 8th ceramic condenser C8 and one end of the second inductance L2 connect, the other end of the second inductance L2 and one end of the 8th resistance R8 connect, the other end ground connection of the 8th resistance R8.One end of the emitter stage of the second audion Q2 and one end of the 7th resistance R7, the 9th ceramic condenser C9 connects, and the other end of the 7th resistance R7 and the other end of the 9th ceramic condenser C9 connect and ground connection.
As it is shown on figure 3, data acquisition and amplification module are made up of chip UGN3503U, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13, the 14th resistance R14, the first slide rheostat Rw1, the second slide rheostat Rw2, the tenth ceramic condenser C10, the 11st ceramic condenser C11, the 12nd ceramic condenser C12, the first diode D1, the second diode D2, the 3rd diode D3, the first operational amplifier LM324A, the second operational amplifier LM324B and the 3rd operational amplifier LM324C.
The 1 foot ground connection of chip UGN3503U, 3 feet of chip UGN3503U meet power supply VCC, 2 feet of chip UGN3503U and one end of the tenth ceramic condenser C10 connect, one end of the other end of the tenth ceramic condenser C10 and one end of the tenth resistance R10, the 11st resistance R11 connects, the other end ground connection of the tenth resistance R10, the other end of the 11st resistance R11 and the normal phase input end of the first operational amplifier LM324A connect；One end of 9th resistance R9 is connected with power supply VCC, one end of the other end of the 9th resistance R9 and the negative-phase input of the first operational amplifier LM324A, the first slide rheostat Rw1 connects, the other end of the first slide rheostat Rw1 and one end of the 12nd resistance R12 connect, and one end of the other end of the 12nd resistance R12 and the outfan of the first operational amplifier LM324A, the 11st ceramic condenser C11 connects.The positive supply termination power VCC of the first operational amplifier LM324A, the negative power end ground connection of the first operational amplifier LM324A.The other end of the 11st ceramic condenser C11 and the positive terminal of the second operational amplifier LM324B connect, one end of the negative phase end of the second operational amplifier LM324B and the anode of the second diode D2, the 13rd resistance R13 connects, the anode of the negative electrode of the second diode D2 and the outfan of the second operational amplifier LM324B, the first diode D1 connects, the positive supply termination power VCC of the second operational amplifier LM324B, the negative power end ground connection of the second operational amplifier LM324B.One end of the negative electrode of the first diode D1 and the anode of the 3rd diode D3, the 14th resistance R14 connects, the positive terminal of the negative electrode of the 3rd diode D3 and one end of the 12nd ceramic condenser C12, the 3rd operational amplifier LM324C connects, the other end ground connection of the 12nd ceramic condenser C12.The other end of the other end of the 13rd resistance R13 and the negative phase end of the 3rd operational amplifier LM324C, the 14th resistance R14 connects, first fixing end of the outfan of the 3rd operational amplifier LM324C and the other end of the 13rd resistance R13, the second slide rheostat Rw2 connects, the second of second slide rheostat Rw2 fixing end ground connection, the 3rd of the second slide rheostat Rw2 slides and terminates 26 feet of modulus conversion chip ADC0809.The positive supply termination power VCC of the 3rd operational amplifier LM324C, the negative power end ground connection of the 3rd operational amplifier LM324C.
As shown in Figure 4, analog-to-digital conversion module is made up of control chip MSP430f149, modulus conversion chip ADC0809 and the second slide rheostat Rw2.Wherein, the 1 of modulus conversion chip ADC0809,2,3,4,5,27,28 foot rests are empty.
null6 feet of modulus conversion chip ADC0809 are connected with 46 feet of control chip MSP430f149，7 feet of modulus conversion chip ADC0809 are connected with 44 feet of control chip MSP430f149，8 feet of modulus conversion chip ADC0809 are connected with 39 feet of control chip MSP430f149，9 feet of modulus conversion chip ADC0809 are connected with 47 feet of control chip MSP430f149，10 feet of modulus conversion chip ADC0809 are connected with 48 feet of control chip MSP430f149，The 11 of modulus conversion chip ADC0809、12 feet meet power supply VCC，The 13 of modulus conversion chip ADC0809、16、23、24、25 foot ground connection，14 feet of modulus conversion chip ADC0809 are connected with 37 feet of control chip MSP430f149，15 feet of modulus conversion chip ADC0809 are connected with 38 feet of control chip MSP430f149，17 feet of modulus conversion chip ADC0809 are connected with 36 feet of control chip MSP430f149，18 feet of modulus conversion chip ADC0809 are connected with 40 feet of control chip MSP430f149，19 feet of modulus conversion chip ADC0809 are connected with 41 feet of control chip MSP430f149，20 feet of modulus conversion chip ADC0809 are connected with 42 feet of control chip MSP430f149，21 feet of modulus conversion chip ADC0809 are connected with 43 feet of control chip MSP430f149，26 feet of modulus conversion chip ADC0809 and the sliding end of the second slide rheostat Rw2 connect.
As it is shown in figure 5, power module is made up of 220V alternating current power supply U, transformator TF1, three terminal regulator LM317, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8, the first LED the 1, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 3rd slide rheostat Rw3, the 14th ceramic condenser C14, the 3rd electrochemical capacitor C13 and the four electrochemical capacitor C15.
220V alternating current power supply U is connected with transformator TF1, one end of transformator TF1 is connected with the anode of the negative electrode of the 4th diode D4, the 6th diode D6, the anode of the 4th diode D4, the 5th diode D5 anode connect and ground connection, the negative electrode of the 5th diode D5 is connected with the anode of the other end of transformator TF1, the 7th diode D7；The negative electrode of the 7th diode D7 and the negative electrode of the 6th diode D6, one end of the 16th resistance R16, the anode of the 3rd electrochemical capacitor C13, one end of the 14th ceramic condenser C14, the negative electrode of the 8th diode D8, three terminal regulator LM317 3 feet connect, the anode connection of the other end of the 16th resistance R16 and the first LED 1；The negative electrode of the first LED 1, the negative electrode of the 3rd electrochemical capacitor C13, the other end ground connection of the 14th ceramic condenser C14, the anode of the 8th diode D8 and 2 feet of three terminal regulator LM317, one end of 17th resistance R17, the anode of the 4th electrochemical capacitor C15 connects, one end of 17th resistance R17 is connected with the first of the 3rd slide rheostat Rw3 the fixing end, 1 foot of three terminal regulator LM317 and the 3rd sliding end of the 3rd slide rheostat Rw3 connect, the fixing end of the second of 3rd slide rheostat Rw3 is connected with one end of the 18th resistance R18, the other end of the 18th resistance R18, the minus earth of the 4th electrochemical capacitor C15.
Work process
First, producing the pulse signal of certain frequencies by 555 intervalometers, the base stage being input to the second audion Q2 through the 7th ceramic condenser C7 turns it on, and after the second audion Q2 amplifies, is the formation of the pulse signal input that frequency stability height, power are bigger.Being then input in the second inductance L2, the electric current that generation moment is stronger in coil, so that producing constant alternating magnetic field around coil.The magnetic field produced can be gathered by linear hall sensor UGN3503U and the magnetic field intensity signal sensed is changed into voltage signal linearly.Through being capacitively coupled to the in-phase input end of the first operational amplifier LM324A, the voltage that Hall element obtains is converted to voltage-to-ground.It is input in rear class peak-detector circuit through the first operational amplifier LM324A signal coupled electric capacity the 11st ceramic condenser C11 amplified.Peak-detector circuit is made up of two-stage calculation amplifier, and the peak value of input signal is delivered on the 12nd ceramic condenser C12 by the second operational amplifier LM324B, and remains behind.3rd operational amplifier LM324C forms buffer amplifier, output and Capacitor apart is come.By peak detection and rear class buffer amplifier circuit, the small-signal collected is amplified to the DC level of 0V-5V.Then, DC analogue quantity after amplification is after analog-to-digital conversion module, it is converted to digital quantity and is input in control chip MSP430f149, detection data according to collecting compare with setting value, the exact position of pipe leakage and the substantially degree of leakage loss can be analyzed, it is also possible to judge the wear condition of this region underground metalliferous feed pipe and the possible degree of assessment generation leakage loss.When measurement result shows that this place's metallic water pipe leakage loss is serious, the second LED 2 can constantly glimmer, and buzzer BELL can send the alarm song of different frequency according to leakage loss degree.
Claims (1)
1. the metallic conduit soil's rigidity circuit supplied water for Urban Underground, it is characterised in that: include controlling and alarm module, high frequency oscillation module, data acquisition and amplification module, analog-to-digital conversion module and power module；
Control and alarm module is by control chip MSP430f149, first resistance R1, 20th resistance R20, 21st resistance R21, button RESET, buzzer BELL, second LED 2, first audion Q1, first ceramic condenser C1, second ceramic condenser C2, 3rd ceramic condenser C3, 4th ceramic condenser C4, 16th ceramic condenser C16, 18th ceramic condenser C18, 19th ceramic condenser C19, first electrochemical capacitor C17, second electrochemical capacitor C20, first crystal oscillator CRYSTAL and the second crystal oscillator CRYSTAL2 composition；Wherein, the 4 of control chip MSP430f149,5,6,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,45,49,50,51,53,54,55,56,57,59,60,61 foot rests are empty；
One end of 4th ceramic condenser C4 with the 62 of control chip MSP430f149,63 feet be connected and ground connection, the other end of the 4th ceramic condenser C4 is connected with 64 feet of control chip MSP430f149；The one termination power VCC of the first resistance R1, the other end of the first resistance R1 and 58 feet of control chip MSP430f149, one end of 3rd ceramic condenser C3, one end of button RESET connects, the other end of the 3rd ceramic condenser C3 and the other end of button RESET, one end of first ceramic condenser C1, one end of second ceramic condenser C2 connects and ground connection, the other end of the second ceramic condenser C2 and one end of the second crystal oscillator CRYSTAL2, 53 feet of control chip MSP430f149 connect, the other end of the first ceramic condenser C1 and the other end of the second crystal oscillator CRYSTAL2, 52 feet of control chip MSP430f149 connect；The one termination power VCC of buzzer BELL, the other end of buzzer BELL and the colelctor electrode of the first audion Q1 connect, the grounded emitter of the first audion Q1, the base stage of the first audion Q1 is connected with one end of the 21st resistance R21, and the other end of the 21st resistance R21 is connected with 3 feet of control chip MSP430f149；The other end of the one termination power VCC of the 20th resistance R20, the 20th resistance R20 and the anode of the second LED 2 connect, and the negative electrode of the second LED 2 is connected with 2 feet of control chip MSP430f149；One end ground connection of the 16th ceramic condenser C16, the other end of the 16th ceramic condenser C16 is connected with 1 foot of control chip MSP430f149；The negative electrode of the first electrochemical capacitor C17 and one end of the 18th ceramic condenser C18, one end of 19th ceramic condenser C19, the negative electrode of the second electrochemical capacitor C20, 11 feet of control chip MSP430f149 connect, the anode of the first electrochemical capacitor C17 and the other end of the 18th ceramic condenser C18, 7 feet of control chip MSP430f149 connect, the anode of the second electrochemical capacitor C20 and the other end of the 19th ceramic condenser C19, 10 feet of control chip MSP430f149 connect, one end of first crystal oscillator CRYSTAL is connected with 8 feet of control chip MSP430f149, the other end of the first crystal oscillator CRYSTAL is connected with 9 feet of control chip MSP430f149；
High frequency oscillation module is made up of 555 intervalometers, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 5th ceramic condenser C5, the 6th ceramic condenser C6, the 7th ceramic condenser C7, the 8th ceramic condenser C8, the second inductance L2 and the second audion Q2；
The 4 of 555 intervalometers, 8 feet meet power supply VCC, the one termination power VCC of the second resistance R2, the other end of the second resistance R2 and 7 feet of 555 intervalometers, the 3rd resistance R3 one end connect, the other end of the 3rd resistance R3 with the 2 of 555 intervalometers, one end connection of 6 feet, the 6th ceramic condenser C6；One end of 555 intervalometer 5 feet and the 5th ceramic condenser C5 connects, and the other end of the other end of the 5th ceramic condenser C5 and 555 intervalometer 1 feet, the 6th ceramic condenser C6 connects and ground connection；3 feet of 555 intervalometers and one end of the 7th ceramic condenser C7 connect, and the other end of the 7th ceramic condenser C7 and the base stage of the second audion Q2 connect；The other end of the one termination power VCC of the 4th resistance R4, the 4th resistance R4 and one end of the 5th resistance R5 connect, the other end ground connection of the 5th resistance R5；The one termination power VCC of the 6th resistance R6, one end of the other end of the 6th resistance R6 and the colelctor electrode of the second audion Q2, the 8th ceramic condenser C8 connects, the other end of the 8th ceramic condenser C8 and one end of the second inductance L2 connect, the other end of the second inductance L2 and one end of the 8th resistance R8 connect, the other end ground connection of the 8th resistance R8；One end of the emitter stage of the second audion Q2 and one end of the 7th resistance R7, the 9th ceramic condenser C9 connects, and the other end of the 7th resistance R7 and the other end of the 9th ceramic condenser C9 connect and ground connection；
Data acquisition and amplification module are by chip UGN3503U, 9th resistance R9, tenth resistance R10, 11st resistance R11, 12nd resistance R12, 13rd resistance R13, 14th resistance R14, first slide rheostat Rw1, second slide rheostat Rw2, tenth ceramic condenser C10, 11st ceramic condenser C11, 12nd ceramic condenser C12, first diode D1, second diode D2, 3rd diode D3, first operational amplifier LM324A, second operational amplifier LM324B and the three operational amplifier LM324C composition；
The 1 foot ground connection of chip UGN3503U, 3 feet of chip UGN3503U meet power supply VCC, 2 feet of chip UGN3503U and one end of the tenth ceramic condenser C10 connect, one end of the other end of the tenth ceramic condenser C10 and one end of the tenth resistance R10, the 11st resistance R11 connects, the other end ground connection of the tenth resistance R10, the other end of the 11st resistance R11 and the normal phase input end of the first operational amplifier LM324A connect；One end of 9th resistance R9 is connected with power supply VCC, one end of the other end of the 9th resistance R9 and the negative-phase input of the first operational amplifier LM324A, the first slide rheostat Rw1 connects, the other end of the first slide rheostat Rw1 and one end of the 12nd resistance R12 connect, and one end of the other end of the 12nd resistance R12 and the outfan of the first operational amplifier LM324A, the 11st ceramic condenser C11 connects；The positive supply termination power VCC of the first operational amplifier LM324A, the negative power end ground connection of the first operational amplifier LM324A；The other end of the 11st ceramic condenser C11 and the positive terminal of the second operational amplifier LM324B connect, one end of the negative phase end of the second operational amplifier LM324B and the anode of the second diode D2, the 13rd resistance R13 connects, the anode of the negative electrode of the second diode D2 and the outfan of the second operational amplifier LM324B, the first diode D1 connects, the positive supply termination power VCC of the second operational amplifier LM324B, the negative power end ground connection of the second operational amplifier LM324B；One end of the negative electrode of the first diode D1 and the anode of the 3rd diode D3, the 14th resistance R14 connects, the positive terminal of the negative electrode of the 3rd diode D3 and one end of the 12nd ceramic condenser C12, the 3rd operational amplifier LM324C connects, the other end ground connection of the 12nd ceramic condenser C12；The other end of the other end of the 13rd resistance R13 and the negative phase end of the 3rd operational amplifier LM324C, the 14th resistance R14 connects, first fixing end of the outfan of the 3rd operational amplifier LM324C and the other end of the 13rd resistance R13, the second slide rheostat Rw2 connects, the second of second slide rheostat Rw2 fixing end ground connection, the 3rd of the second slide rheostat Rw2 slides and terminates 26 feet of modulus conversion chip ADC0809；The positive supply termination power VCC of the 3rd operational amplifier LM324C, the negative power end ground connection of the 3rd operational amplifier LM324C；
Analog-to-digital conversion module is made up of control chip MSP430f149, modulus conversion chip ADC0809 and the second slide rheostat Rw2；Wherein, the 1 of modulus conversion chip ADC0809,2,3,4,5,27,28 foot rests are empty；
null6 feet of modulus conversion chip ADC0809 are connected with 46 feet of control chip MSP430f149，7 feet of modulus conversion chip ADC0809 are connected with 44 feet of control chip MSP430f149，8 feet of modulus conversion chip ADC0809 are connected with 39 feet of control chip MSP430f149，9 feet of modulus conversion chip ADC0809 are connected with 47 feet of control chip MSP430f149，10 feet of modulus conversion chip ADC0809 are connected with 48 feet of control chip MSP430f149，The 11 of modulus conversion chip ADC0809、12 feet meet power supply VCC，The 13 of modulus conversion chip ADC0809、16、23、24、25 foot ground connection，14 feet of modulus conversion chip ADC0809 are connected with 37 feet of control chip MSP430f149，15 feet of modulus conversion chip ADC0809 are connected with 38 feet of control chip MSP430f149，17 feet of modulus conversion chip ADC0809 are connected with 36 feet of control chip MSP430f149，18 feet of modulus conversion chip ADC0809 are connected with 40 feet of control chip MSP430f149，19 feet of modulus conversion chip ADC0809 are connected with 41 feet of control chip MSP430f149，20 feet of modulus conversion chip ADC0809 are connected with 42 feet of control chip MSP430f149，21 feet of modulus conversion chip ADC0809 are connected with 43 feet of control chip MSP430f149，26 feet of modulus conversion chip ADC0809 and the sliding end of the second slide rheostat Rw2 connect；
Power module is made up of 220V alternating current power supply U, transformator TF1, three terminal regulator LM317, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8, the first LED the 1, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 3rd slide rheostat Rw3, the 14th ceramic condenser C14, the 3rd electrochemical capacitor C13 and the four electrochemical capacitor C15；
220V alternating current power supply U is connected with transformator TF1, one end of transformator TF1 is connected with the anode of the negative electrode of the 4th diode D4, the 6th diode D6, the anode of the 4th diode D4, the 5th diode D5 anode connect and ground connection, the negative electrode of the 5th diode D5 is connected with the anode of the other end of transformator TF1, the 7th diode D7；The negative electrode of the 7th diode D7 and the negative electrode of the 6th diode D6, one end of the 16th resistance R16, the anode of the 3rd electrochemical capacitor C13, one end of the 14th ceramic condenser C14, the negative electrode of the 8th diode D8, three terminal regulator LM317 3 feet connect, the anode connection of the other end of the 16th resistance R16 and the first LED 1；The negative electrode of the first LED 1, the negative electrode of the 3rd electrochemical capacitor C13, the other end ground connection of the 14th ceramic condenser C14, the anode of the 8th diode D8 and 2 feet of three terminal regulator LM317, one end of 17th resistance R17, the anode of the 4th electrochemical capacitor C15 connects, one end of 17th resistance R17 is connected with the first of the 3rd slide rheostat Rw3 the fixing end, 1 foot of three terminal regulator LM317 and the 3rd sliding end of the 3rd slide rheostat Rw3 connect, the fixing end of the second of 3rd slide rheostat Rw3 is connected with one end of the 18th resistance R18, the other end of the 18th resistance R18, the minus earth of the 4th electrochemical capacitor C15.
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| CN201610257382.5A CN105736954B (en) | 2016-04-21 | 2016-04-21 | A kind of underground metal pipes soil's rigidity circuit for urban water supply |
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| CN201610257382.5A CN105736954B (en) | 2016-04-21 | 2016-04-21 | A kind of underground metal pipes soil's rigidity circuit for urban water supply |
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| CN110594596A (en) * | 2019-09-30 | 2019-12-20 | 郑州力通水务有限公司 | Water pipe network leakage detection circuit |
| CN110594597A (en) * | 2019-09-30 | 2019-12-20 | 郑州力通水务有限公司 | Water affair pipe network DMA leakage analysis system |
| CN111272494A (en) * | 2020-03-05 | 2020-06-12 | 付君义 | Highway pitch harmful gas collection device under high temperature environment |
| CN112734972A (en) * | 2020-12-24 | 2021-04-30 | 深圳市兴海物联科技有限公司 | Property inspection early warning method, device, equipment and computer storage medium |
| CN116223611A (en) * | 2023-05-11 | 2023-06-06 | 四川经准特种设备检验有限公司 | Auxiliary system for pressure pipeline detection and detection method |
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| CN116223611B (en) * | 2023-05-11 | 2023-07-07 | 四川经准特种设备检验有限公司 | Auxiliary system for pressure pipeline detection and detection method |
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Application publication date: 20160706 Assignee: Hangzhou Shide Technology Co., Ltd Assignor: HANGZHOU DIANZI University Contract record no.: X2020330000044 Denomination of invention: Underground metal pipeline leakage detection circuit for urban water supply Granted publication date: 20171010 License type: Common License Record date: 20200608 |
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