CN101886541A - Opposed steering large-power signal source system for long-distance large-caliber oil-gas pipeline - Google Patents
Opposed steering large-power signal source system for long-distance large-caliber oil-gas pipeline Download PDFInfo
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- CN101886541A CN101886541A CN2009100845365A CN200910084536A CN101886541A CN 101886541 A CN101886541 A CN 101886541A CN 2009100845365 A CN2009100845365 A CN 2009100845365A CN 200910084536 A CN200910084536 A CN 200910084536A CN 101886541 A CN101886541 A CN 101886541A
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Abstract
The invention provides an opposed steering large-power signal source system for a long-distance large-caliber oil-gas pipeline and relates to the technical field of signal devices and pipeline systems. The opposed steering large-power signal source system comprises a function generator, a phase-adjustable high-pressure operational amplifier and a current amplifier; the function generator, the phase-adjustable high-pressure operational amplifier and the current amplifier are connected in series, and the current amplifier is used for outputting; and a sine wave signal generated from the function generator is finally output after voltage amplification and accurate phase adjustment through the phase-adjustable high-pressure operational amplifier as well as current amplification through the current amplifier. The invention has simple circuit, high reliability, high positioning precision, simple and practicable test in the construction process as well as simple and convenient operation.
Description
Technical field
The present invention is that a kind of long-distance large-caliber gas-oil pipeline is to wearing control to the high-power signal origin system.Relate to recoil simulator and pipe-line system technical field.
Background technology
In recent years, in the trenchless technology industry, it is main growth point that horizontally-guided creeps into, because the improvement of capacity of equipment, its superiority is obvious further.Obstructions such as trenchless pipelaying can railroad crossing, highway, building, river, runway, historic site.It is applied in oil and natural gas pipeline, electric power, telecommunications, cable television, feedwater, draining and urban construction.Trenchless technology has characteristics such as do not excavate ground, do not influence traffic, do not influence the appearance of the city, do not damage building, good directionality, economic and social benefit are remarkable.Trenchless technology can utilize guiding to creep into, and also can carry out pipe shed support, horizontal grouting, horizontal precipitation and pollute ground treatment works, and in many engineerings were used, its relative cost was reduced under the cut and cover tunneling.In the time of can adopting the trenchless technology construction, oppose that adopting open-cut is inexorable trend.
The non-excavation real-time positioning technology of distance that speed up the work, long, promptly at special urgent need large-caliber gas-oil pipeline to wearing research and the development of control to technology and equipment.Not only satisfy the designing requirement be applied in the construction of the job site of the laying of oil and natural gas pipeline, also satisfy the designing requirement of the construction that is applied to job sites such as electric power, telecommunications, cable television, feedwater, draining and urban construction.Research is directed bore to wear control to technology, control to theoretical and control to method, adopt electromagnetic field and gravitational field as targeting signal, research set up control to signal in the attenuation law of the earth and the mechanism of transmission, distribution Mathematical Modeling, measure error that various disturbing factors cause and modification method etc., determine the basic parameter of control, for equipment preparation provides technical foundation to signal and checkout gear.
External United States Patent (USP) 6,814,163 is used for level with the twin coil navigation system of boring; 6,736,222 measuring methods for the drill bit orientation; United States Patent (USP) 6,626,252 are used for level with the twin coil navigation system of boring; 6,466,020B1 electromagnetic location method is with the measuring method of boring; The method of accurate location of B2 electromagnetism and angle orientation; All do not relate to the realization of technology, do not do the explanation of specific implementation yet, there is the accumulated error of angle (elevation angle, magnetic declination etc.) in realization that the more important thing is these patents, can not reach the requirement of 0.1 degree, want to reach above-mentioned precision, checkout equipment is very complicated, therefore, must develop and have own intellectual property, construction easily, the simple length of test creeps into control to equipment apart from horizontal bidirectional to wearing guiding.Consider that existing magnetic field sources of creeping into positioning equipment is the pulse wave source of easy realization, impulse waveform is made up of abundant multiple harmonic, because of the complexity and the power consumption height of its waveform, wherein certain subharmonic may all be a spuious indefinite random noise for experiencing low-intensity magnetic field sensor.Experiment finds, level is to concern one of the key factor of raising of the precision of whole system with the magnetic field sources of the twin coil navigation system of boring.
Summary of the invention
The objective of the invention is to invent a kind of long-distance large-caliber gas-oil pipeline easy, that test is simple, positioning accuracy is high of constructing to wearing control to the high-power signal origin system.
Experiment is found, level is to concern whole long-distance large-caliber gas-oil pipeline to one of key factor of the raising of the precision of wearing direction controlling system with the magnetic field sources of the twin coil navigation system of boring, and in order to overcome the interference in earth's magnetic field, geoelectric interference, the interference that near magnetisable material causes, the electromagnetic interference of surrounding environment, 's 1 electrodynamics principle according to permeability at vacuum and the earth, exciting current should be alternating current, what then it encouraged around is not the stationary magnetic field just, but alternating electromagnetic field, it can not calculate with Biot-Savart law simply, alternating electromagnetic field is not only relevant with the medium magnetic permeability mu, and relevant with medium dielectric constant ξ.And ξ changes greatly with stratum, ground, earth, water content etc., (becoming hundred times of ground to change), its decay relevant with AC conductivity (conductance also alters a great deal).Therefore, the frequency of alternating current must be very low, for example: and 3HZ, detect the intensity that drill bit is positioned artificial magnetic field in order to demodulation method.
Consider that existing magnetic field sources of creeping into positioning equipment is the pulse wave source of easy realization, and long-distance large-caliber gas-oil pipeline is provided by the power pulser of realizing easily than the pure sine wave generator generally to the magnetic field sources of precision to wearing control.The impulse waveform that impulse generator produces is made up of abundant multiple harmonic, complexity and power consumption height because of its waveform, wherein certain subharmonic may all be a spuious indefinite random noise for experiencing low-intensity magnetic field sensor, and is very big to the influence of precision to wearing control to improving long-distance large-caliber gas-oil pipeline.Therefore a kind of long-distance large-caliber gas-oil pipeline that improves will be arranged to wearing the magnetic field sources of control to precision, high-power pure sinusoid wave source replaces the pulse wave source.
Formation of the present invention is as shown in Figure 1: by function generator, phase place can regulate high voltage operational amplifier, current amplifier is formed; Function generator, phase place can be regulated high voltage operational amplifier, current amplifier and be contacted mutually successively, are exported by current amplifier.
The sine wave signal that function generator produces can be regulated high voltage operational amplifier voltage amplification and phase adjusted is accurate through phase place, exports behind the current amplifier amplified current more at last.
Here:
Function generator is the sinusoidal wave signal source that takes place of ultralow frequency, and the sine wave signal frequency of generation is the 2.5-3 hertz;
The voltage amplitude of current amplifier output is positive and negative in 100 volts, and current amplitude is positive and negative in 10 amperes.
Electric principle of the present invention as shown in Figure 2, function generator IC1 output connects the input that phase place can be regulated high voltage operational amplifier IC2, the output of IC2 connects the current amplifier Q1 input that transistor is formed, current amplifier Q1 output connects square coil.
Circuit of the present invention is simple, the reliability height, and the positioning accuracy height, test is simple, easy and simple to handle in the construction.
Description of drawings
Fig. 1 pipeline is to wearing control to high-power signal origin system theory diagram
Fig. 2 pipeline is to wearing control to high-power signal origin system electrical schematic diagram
The specific embodiment
Embodiment. this example is an experimental prototype, and it constitutes as shown in Figure 1: be function generator, phase place can regulate high voltage operational amplifier, current amplifier successively mutually the polyphone, export by current amplifier.
The sine wave signal that function generator produces can be regulated high voltage operational amplifier voltage amplification and phase adjusted is accurate through phase place, exports behind the current amplifier amplified current more at last.
The electric principle of this example as shown in Figure 2, connecting resistance R after 4, the 5 end parallel connections of function generator IC1 chip
1The back meets+the 5V power supply 10 termination capacitor C in the lump with 6 ends
1, 12 terminating resistor R
2The back connects-the 5V power supply in the lump with 11 ends, and 7,8 ends link to each other, and output 2 is through R
3After connect "-" input that phase place can be regulated high voltage operational amplifier IC2 chip, "+" input of operational amplifier IC2 chip is through resistance R
4Ground connection, output 1 is through feedback resistance R
5To "-" input, the output 1 of IC2 chip connects the transistorized base stage of Q1 simultaneously, and transistorized utmost point electrode connects+the 100V power supply, and emitter stage is through resistance R
6Ground connection connects square coil by emitter stage output simultaneously.
Here:
Function generator IC1 selects 8038 chips, and the sine wave signal frequency that it produces is 3 hertz;
Operational amplifier IC2 selects the PB50 chip;
Positive and negative 105 volts of the voltage amplitude of current amplifier Q1 output, positive and negative 10.5 amperes of current amplitude; Select MJ10015;
Resistance R
1: 10K Ω;
Resistance R
2: 82K Ω;
Resistance R
3: 1M Ω;
Resistance R
4: 3K Ω;
Resistance R
5: 68K Ω;
Resistance R
6: 100 Ω;
Capacitor C
1: 0.001pf.
Be the sinusoidal wave signal source that takes place of ultralow frequency wherein with 8038, output current is 10mA, voltage is 5V, after entering the PB50 chip, to 48V, output current is 2A with this sinusoidal signal voltage amplification, through the MJ10015 high power transistor voltage amplitude is amplified to 105 volts again, electric current is amplified to 10.5A, has constituted high-power control to signal source, satisfies and improves long-distance large-caliber gas-oil pipeline to wearing the requirement of control to precision.
The index that this example reaches is: the generation source of magnetic field intensity is 3 hertz, amplitude is positive and negative in 100 volts, 10 Ampere currents, disappear during alternation and tremble, reach and improve long-distance large-caliber gas-oil pipeline and require the requirement of the current stability,＜≈ 0.1% in the magnetic field excitation loop to the precision position error wearing control.
This example is through long-time laboratory test and on-the-spot on probation, in the construction test simple, easy and simple to handle, reliability height, positioning accuracy height.
Claims (4)
1. a long-distance large-caliber gas-oil pipeline is to wearing control to the high-power signal origin system, it is characterized in that it by function generator, phase place can regulate high voltage operational amplifier, current amplifier is formed; Function generator, phase place can be regulated high voltage operational amplifier, current amplifier is contacted successively, are exported by current amplifier;
The sine wave signal that function generator produces can be regulated high voltage operational amplifier voltage amplification and phase adjusted is accurate through phase place, exports behind the current amplifier amplified current more at last.
2. long-distance large-caliber gas-oil pipeline according to claim 1 is characterized in that to wearing control to the high-power signal origin system function generator is the sinusoidal wave signal source that takes place of ultralow frequency, and the sine wave signal frequency of generation is the 2.5-3 hertz.
3. long-distance large-caliber gas-oil pipeline according to claim 1 is characterized in that to wearing control to the high-power signal origin system voltage amplitude of current amplifier output is positive and negative in 100 volts, and current amplitude is positive and negative in 10 amperes.
4. long-distance large-caliber gas-oil pipeline according to claim 1 is to wearing control to the high-power signal origin system, it is characterized in that electric principle connects the input that phase place can be regulated high voltage operational amplifier IC2 for function generator IC1 output, the output of IC2 connects the current amplifier Q1 input that transistor is formed, and current amplifier Q1 output connects square coil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100845365A CN101886541B (en) | 2009-05-15 | 2009-05-15 | Opposed steering large-power signal source system for long-distance large-caliber oil-gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100845365A CN101886541B (en) | 2009-05-15 | 2009-05-15 | Opposed steering large-power signal source system for long-distance large-caliber oil-gas pipeline |
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| Publication Number | Publication Date |
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| CN101886541A true CN101886541A (en) | 2010-11-17 |
| CN101886541B CN101886541B (en) | 2013-02-20 |
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| CN2009100845365A Active CN101886541B (en) | 2009-05-15 | 2009-05-15 | Opposed steering large-power signal source system for long-distance large-caliber oil-gas pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148943A (en) * | 2013-01-31 | 2013-06-12 | 中国科学院上海技术物理研究所 | Interference signal generator controlled by simulated aplanatism differences |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09281248A (en) * | 1996-04-11 | 1997-10-31 | Japan Aviation Electron Ind Ltd | Continuous fault monitoring type seismoscope |
| RU2102705C1 (en) * | 1995-07-12 | 1998-01-20 | Самарский филиал Физического института им.П.Н.Лебедева РАН | Displacement measuring device based on semiconductor injection laser with external optical feedback |
| US5767670A (en) * | 1996-08-29 | 1998-06-16 | Texas Instruments Incorporated | Method and apparatus for providing improved temperature compensated output for variable differential transformer system |
| CN1808074A (en) * | 2006-02-24 | 2006-07-26 | 北京航空航天大学 | Optical fiber gyro frequency character tester based on magneto-optical Farady effect |
| CN201396134Y (en) * | 2009-05-15 | 2010-02-03 | 中国石油天然气集团公司 | Passing-through steering high-power signal source system for long-distance large-caliber oil and gas pipelines |
-
2009
- 2009-05-15 CN CN2009100845365A patent/CN101886541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2102705C1 (en) * | 1995-07-12 | 1998-01-20 | Самарский филиал Физического института им.П.Н.Лебедева РАН | Displacement measuring device based on semiconductor injection laser with external optical feedback |
| JPH09281248A (en) * | 1996-04-11 | 1997-10-31 | Japan Aviation Electron Ind Ltd | Continuous fault monitoring type seismoscope |
| US5767670A (en) * | 1996-08-29 | 1998-06-16 | Texas Instruments Incorporated | Method and apparatus for providing improved temperature compensated output for variable differential transformer system |
| CN1808074A (en) * | 2006-02-24 | 2006-07-26 | 北京航空航天大学 | Optical fiber gyro frequency character tester based on magneto-optical Farady effect |
| CN201396134Y (en) * | 2009-05-15 | 2010-02-03 | 中国石油天然气集团公司 | Passing-through steering high-power signal source system for long-distance large-caliber oil and gas pipelines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148943A (en) * | 2013-01-31 | 2013-06-12 | 中国科学院上海技术物理研究所 | Interference signal generator controlled by simulated aplanatism differences |
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Effective date of registration: 20170309 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |
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