CN108019199A - A kind of radiating circuit for array induction - Google Patents
A kind of radiating circuit for array induction Download PDFInfo
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- CN108019199A CN108019199A CN201610928192.1A CN201610928192A CN108019199A CN 108019199 A CN108019199 A CN 108019199A CN 201610928192 A CN201610928192 A CN 201610928192A CN 108019199 A CN108019199 A CN 108019199A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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Abstract
The invention discloses a kind of radiating circuit for array induction, including launch driving circuit module, resonant capacitance array module, transmitting module and control circuit module, wherein control circuit module includes being used for the capacitance control device for the sender unit and control capacitor array module arrangement for producing different frequency signals；Launch driving circuit module is used to the signal that sender unit produces being amplified to desired power bracket, and the power signal of amplification is sent to resonant capacitance array module；Resonant capacitance array module receives the power signal from the transmission of launch driving circuit module and composition resonant tank is connected with transmitting module.The present invention switches different capacitances for the signal of different frequency by capacitance control device and is connected with transmitting module, it can achieve the purpose that selection signal frequency, so that every kind of signal frequency component all has larger emitted energy, the signal-to-noise ratio of instrument can be greatly improved.
Description
Technical field
The present invention relates to a kind of signal processing circuit, and in particular to a kind of radiating circuit for array induction.
Background technology
Array induction logging is the induction logging system being made of multiple simple, two wire systems, it is using a series of different coils
Away from coil array measure same stratum, so as to draw the parameters such as undisturbed formation and invaded zone resistivity.Array induction logging uses
The advanced methods such as advanced electronics, computer technology and digital processing, by multiplex telemetering pipe nipple, send the mass data of collection
Handled, drawn with different investigation depths and different longitudinal resolution curves to ground, then by computer.Array induction
Well logging can also study the change of invaded zone, determine intermediate zone in addition to it can be derived that undisturbed formation and invaded zone resistivity
Scope, carrying out Two Dimensional Resistivity according to the master data of acquisition, radially the radial direction of imaging and invasion profile is imaged.
Radiating circuit traditional at present generally uses following 3 kinds of schemes：1st, multifrequency sinusoid superposition output；Single-frequency is just
String ripple exports；3rd, exported after multifrequency sinusoid superposition according to approximate square waves.The multifrequency sinusoid superposition used in scheme 1 is easily made
Into radiating circuit reactive loss, make transmission power device heating serious, form that circuit is unstable and high-temperature behavior poor (oil is surveyed
The high temperature of well refers to more than 175 DEG C), transmission power can only be reduced in order to reduce launch loss, reduces the signal-to-noise ratio and sound of instrument
The dynamic range answered, ultimately causes Instrument measuring precision reduction and dynamic range diminishes.Although the single frequency sine wave in scheme 2
Solves the above problem, but single-frequency purely can not ensure the accurate of measurement on correction is ingratiated with according to Simple Theory model
Degree.In scheme 3, although the defects of having evaded scheme 1 and scheme 2, circuit debugging difficulty can be caused to increase, the power of internal frequency
Determine that the program still has the transmission power of some frequencies too small again, the snr of received signal of these frequencies can be caused to drop
It is low, the final precision and dynamic range for influencing instrument.
Application No. 201420737849.2 discloses a kind of multifrequency resonance transmission circuit for array induction logging tool,
Module, mixed frequency signal filter module, power amplifier module, passive resonance module, hair occurs including sequentially connected mixed frequency signal
Module is penetrated, mixed frequency signal occurs module and is used to produce mixed frequency signal, and power amplifier module will export after mixed frequency signal power amplification
Passive resonance module is given, passive resonance module carries out impedance matching, power amplifier module to power amplifier module and transmitting module
Further include operational amplifier, the feedback resistance in parallel with operational amplifier, it is characterised in that：Power amplifier module is further included and transported
The full-bridge topology amplifying circuit of amplifier signal output terminal connection is calculated, operational amplifier is two, two operational amplifier parallel connections,
Full-bridge topology amplifying circuit includes series connection and/or the triode being connected in parallel, and mixed frequency signal is through operational amplifier and feedback resistance
Magnitude of voltage, which is exaggerated, becomes difference control signal, and difference control signal is carried out secondary amplification by full-bridge topology amplifying circuit；It is passive
Resonance modules include capacitance, the inductance with capacitance connection.The invention uses the resonance modules of Foster comprehensive forms, by varying
The parameter of passive resonance module, the frequency of adjustable three resonance points and the voltage magnitude of each resonance point can reduce circuit
Debugging difficulty, but still suffer from the problems such as signal-to-noise ratio is relatively low.
The content of the invention
The present invention is to overcome the problems such as apparatus measures signal-to-noise ratio is relatively low in the prior art, there is provided one kind is used for array sense
The radiating circuit answered, the signal-to-noise ratio that can effectively improve apparatus measures, the dynamic range for expanding apparatus measures, strengthen instrument
Repeatability and uniformity.
The present invention provides a kind of radiating circuit for array induction, including launch driving circuit module, resonant capacitance battle array
Row module, transmitting module and control circuit module；Control circuit module includes being used for the signal transmitting for producing different frequency signals
Device and the capacitance control device of control capacitor array module arrangement；Launch driving circuit module is used to produce sender unit
Raw signal is amplified to desired power bracket, and the power signal of amplification is sent to resonant capacitance array module；Resonance electricity
Hold array module to receive the power signal from the transmission of launch driving circuit module and be connected composition resonant tank with transmitting module.
A kind of radiating circuit for array induction of the present invention, it is preferred that, resonant capacitance array module
It is made of at least two different capacitances, each capacitance is individually connected with transmitting module.
A kind of radiating circuit for array induction of the present invention, it is preferred that, capacitance control device according to
Launch driving circuit module is sent to the signal frequency difference of resonant capacitance array module and switches corresponding capacitance and transmitting
Module is connected.Capacitance control device switches different capacitor array and hair for the signal of different frequency in control circuit module
Penetrate module to be connected, can achieve the purpose that selection signal frequency so that every kind of signal frequency component all has larger transmitting
Energy, can greatly improve the signal-to-noise ratio of instrument.
A kind of radiating circuit for array induction of the present invention, it is preferred that, transmitting module is by least two
Stock twisted wire is wound on coil rack.Each capacitance and transmitting module inductance forms a parallel connection LC oscillating circuit, due to can be with
Accumulated by transmitting module using different coil turns and coil section, different inductance value L can be obtained, then pass through capacitance control
Under the programme-control of device processed, timesharing connects different capacitances with transmitting module, you can to launch required frequency.
A kind of radiating circuit for array induction of the present invention, it is preferred that, resonant capacitance array module
The first capacitance, the second capacitance, the 3rd capacitance and the 4th for being connected and being arranged in parallel including multiple selector and with multiple selector
Capacitance.
A kind of radiating circuit for array induction of the present invention, it is preferred that, control circuit includes first
Operational amplifier, the second operational amplifier, the first diode, the second diode, the 3rd diode, the 4th diode, the five or two
Pole pipe, the 6th diode, the 7th diode, the 8th diode, the first triode, the second triode, the 3rd triode, the four or three
Pole pipe, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 9th capacitance, the tenth capacitance, the 11st capacitance, the 12nd
Capacitance, the 13rd capacitance, the 14th capacitance, the 15th capacitance, the 16th capacitance, the 17th capacitance, first resistor, the second electricity
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
11 resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance and the 16th resistance；Input signal and the
Five capacitances and the 6th capacitance are connected, and the positive input of the first operational amplifier is connected with the 5th capacitance, the first operational amplifier
Positive input be grounded by 3rd resistor, the reverse input end of the first operational amplifier is grounded by first resistor, first
The reverse input end of operational amplifier passes through the tenth resistance by the 9th capacity earth, the reverse input end of the first operational amplifier
It is connected with output signal, the reverse input end of the first operational amplifier is connected by the 11st capacitance with output signal, the first fortune
Reverse input end and the 5th resistance, the 7th resistance, the collector of the first triode for calculating amplifier are connected and the 3rd diode
Anode is connected, and the output terminal of the first operational amplifier is connected with the 5th resistance and the 6th resistance, the emitter of the first triode with
The emitter of second triode, the 9th resistance, the cathode of the 3rd diode, the anode of the 4th diode, the 5th resistance, the 7th electricity
Resistance, the collector of the first triode are connected with output signal, the base stage of the first triode and the 7th resistance and the first diode
Cathode is connected, and the collector of the second triode is connected by the 7th capacity earth, the collector of the second triode with the 8th resistance,
The emitter of the emitter of second triode and the first triode, the 9th resistance, the cathode of the 3rd diode, the 4th diode
Anode, the 5th resistance, the 7th resistance, the collector of the first triode are connected with output signal, and the anode of the first diode passes through
Tenth capacity earth, the anode of the first diode are connected with the cathode of the 6th resistance and the second diode, and the second diode is born
Pole is connected with the base stage of the 8th resistance and the second triode, the cathode of the 3rd diode and the emitter of the first triode, the 9th
Resistance, the emitter of the second triode, the anode of the 4th diode, the 5th resistance, the 7th resistance, the collector of the first triode
It is connected with output signal, anode and the 9th capacitance, the 11st capacitance, first resistor, the 5th resistance, the 7th electricity of the 3rd diode
The reverse input end of resistance, the tenth resistance and the first operational amplifier is connected, and the cathode of the 4th diode is connected with power cathode, the
The emitter of the anode of four diodes and the first triode, the 9th resistance, the emitter of the second triode, the 3rd diode are just
Pole, the 5th resistance, the 7th resistance, the one or three collector are connected with output signal, the 8th capacitance and the 7th capacitance and the 9th electricity
Resistance is connected；The positive input of second operational amplifier passes through the 4th resistance eutral grounding, the positive input of the second operational amplifier
It is connected with the 6th capacitance, the 12nd capacitance and the 11st resistance, the reverse input end of the second operational amplifier passes through second resistance
Ground connection, the output terminal of the second operational amplifier are connected with the 12nd resistance and the 13rd resistance, and the collector of the 3rd triode leads to
The 16th capacitance to be crossed to be connected, the collector of the 3rd triode is connected with the anode of the 16th resistance and the 7th diode, and the three or three
The emitter of level pipe is connected with the emitter of the 4th triode, base stage and the 16th resistance and the 5th diode of the 3rd triode
Cathode be connected, the collector of the 4th triode is connected with the 14th resistance and the 14th capacitance, the emitter of the 4th triode
It is connected with the emitter of the 3rd triode, the base stage of the 4th triode is connected with the cathode of the 14th resistance and the 6th diode,
The cathode of 5th diode is connected with the base stage of the 16th resistance and the 3rd triode, and the anode of the 5th diode passes through the 13rd
Capacity earth, the anode of the 5th diode and the 11st resistance, the 12nd resistance, the 13rd resistance, the 12nd capacitance, the 13rd
Capacitance, the anode of the 6th diode, the cathode of the 7th diode, the anode of the 8th diode are connected with output signal, and the six or two
The cathode of pole pipe is connected with the ground level of the 14th resistance and the 4th triode, the anode of the 6th diode and the 11st resistance,
12 resistance, the 13rd resistance, the 12nd capacitance, the 13rd capacitance, the anode of the 5th diode, the 7th diode cathode,
The anode of 8th diode is connected with output signal, the cathode of the 7th diode and the 11st resistance, the 12nd resistance, the 13rd
Resistance, the 12nd capacitance, the 13rd capacitance, the anode of the 5th diode, anode, the anode of the 8th diode of the 6th diode
It is connected with output signal, the collector phase of the anode and the 16th resistance, the 16th capacitance and the 3rd triode of the 7th diode
Even, the cathode of the 8th diode passes through the 17th capacity earth, the anode and the 11st resistance of the 8th diode, the 12nd electricity
Resistance, the 13rd resistance, the 12nd capacitance, the 13rd capacitance, the anode of the 5th diode, the anode of the 6th diode, the seven or two
The cathode of pole pipe is connected with output signal, and the 15th capacitance is connected with the 15th resistance and the 14th capacitance.
In use, the sender unit in control circuit module sends an initial signal and transmits the present invention
To launch driving circuit module, launch driving circuit module may amplify the signal to desired power bracket, and by amplified letter
Number be sent to resonant capacitance array module, in control circuit module capacitance control device for the signal of different frequency to resonance electricity
Hold capacitance different in array module to switch over, the capacitance after switching is connected with transmitting module to be transmitted.
The present invention is made of due to being divided into resonant capacitance array module at least two capacitances, and each capacitance with transmitting
Module individually connects, and switch different capacitances for the signal of different frequency by capacitance control device is connected with transmitting module
Connect, can achieve the purpose that selection signal frequency so that every kind of signal frequency component all has larger emitted energy, Ke Yiji
The signal-to-noise ratio of big raising instrument.
Brief description of the drawings
Fig. 1 is used for array induction radiating circuit schematic diagram for one kind；
Fig. 2 is a kind of circuit diagram for array induction radiating circuit capacitor array module；
Fig. 3 is a kind of circuit diagram for array induction radiating circuit control circuit.
Brief description of the drawings：U1, multiple selector；L：Inductance；C1, the first capacitance；C2, the second capacitance；C3：3rd capacitance；Cn：
4th capacitance；U1：1st, the first operational amplifier；U1B, the second operational amplifier；D1, the first diode；D2, the second diode；
D3, the 3rd diode；D4, the 4th diode；D5, the 5th diode；D6, the 6th diode；D7, the 7th diode；D8, the 8th
Diode；Q1, the first triode；Q2, the second triode；Q3, the 3rd triode；Q4, the 4th triode；C5, the 5th capacitance；
C6, the 6th capacitance；C8, the 7th capacitance；C10, the 8th capacitance；C11, the 9th capacitance；C12, the tenth capacitance；C13, the 11st electricity
Hold；C15, the 12nd capacitance；C16, the 13rd capacitance；C17, the 14th capacitance；C18, the 15th capacitance；C19, the 16th electricity
Hold；C20, the 17th capacitance；R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th electricity
Resistance；R6, the 6th resistance；R7, the 7th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth resistance；R11, the 11st electricity
Resistance；R12, the 12nd resistance；R13, the 13rd resistance；R14, the 14th resistance；R15, the 15th resistance；R16, the 16th electricity
Resistance.
Embodiment
Embodiment 1
As shown in Figures 1 to 3, the present invention provides a kind of radiating circuit for array induction, including launch driving circuit mould
Block, resonant capacitance array module, transmitting module and control circuit module, wherein control circuit module include being used to produce different frequencies
The sender unit of rate signal and the capacitance control device of control capacitor array module arrangement；Launch driving circuit module is used for
The signal that sender unit produces is amplified to desired power bracket, and the power signal of amplification is sent to resonant capacitance
Array module；Resonant capacitance array module is used to receive the power signal from the transmission of launch driving circuit module and with launching mould
Block connection composition resonant tank, resonant capacitance array module include multiple selector U1 and be connected with multiple selector U1 and parallel connection
The the first capacitance C1, the second capacitance C2, the 3rd capacitance C3 and the 4th capacitance Cn, inductance L that set and different capacitances composition LC shake
Circuit is swung, forms different frequencies of oscillation, mould is driven by transmitting according to difference by the capacitance control device in control circuit module
The signal frequency of block amplification controls different capacitances to be individually connected with transmitting module.
Control circuit includes the first operational amplifier U1：1st, the second operational amplifier U1B, the first diode D1, the two or two
Pole pipe D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th
Diode D8, the first triode Q1, the second triode Q2, the 3rd triode Q3, the 4th triode Q4, the 5th capacitance C5, the 6th
Capacitance C6, the 7th capacitance C8, the 8th capacitance C10, the 9th capacitance C11, the tenth capacitance C12, the 11st capacitance C13, the 12nd electricity
Hold C15, the 13rd capacitance C16, the 14th capacitance C17, the 15th capacitance C18, the 16th capacitance C19, the 17th capacitance C20,
First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7,
8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13,
14th resistance R14, the 15th resistance R15 and the 16th resistance R16；Input signal and the 5th capacitance C5 and the 6th capacitance C6 phases
Even, the first operational amplifier U1：1 positive input is connected with the 5th capacitance C5, the first operational amplifier U1：1 it is positive defeated
Enter end to be grounded by 3rd resistor R3, the first operational amplifier U1：1 reverse input end is grounded by first resistor R1, and first
Operational amplifier U1：1 reverse input end is grounded by the 9th capacitance C11, the first operational amplifier U1：1 reverse input end
It is connected by the tenth resistance R10 with output signal, the first operational amplifier U1：1 reverse input end by the 7th capacitance C8 with
Output signal is connected, the first operational amplifier U1：1 reverse input end and the 5th resistance R5, the 7th resistance R7, the first triode
The collector of Q1 is connected to be connected with the anode of the 3rd diode D2, the first operational amplifier U1：1 output terminal and the 5th resistance R5
It is connected with the 6th resistance R6, the emitter of the emitter of the first triode Q1 and the second triode Q2, the 9th resistance R9, the three or two
The cathode of pole pipe D3, the anode of the 4th diode D4, the 5th resistance R5, the 7th resistance R7, the first triode Q1 collector and
Output signal is connected, and the base stage of the first triode Q1 is connected with the cathode of the 7th resistance R7 and the first diode D1, the two or three pole
The collector of pipe Q2 is grounded by the 7th capacitance C8, and the collector of the second triode Q2 is connected with the 8th resistance R8, the two or three pole
The emitter of the emitter of pipe Q2 and the first triode Q1, the 9th resistance R9, the cathode of the 3rd diode D3, the 4th diode D4
Anode, the 5th resistance R5, the 7th resistance R7, the first triode Q1 collector with output signal be connected, the first diode D1
Anode be grounded by the tenth capacitance C12, the anode and the cathode of the 6th resistance R6 and the second diode D2 of the first diode D1
It is connected, the anode of the second diode D2 is connected with the base stage of the 8th resistance R8 and the second triode Q2, and the 3rd diode Q3 is just
The emitter of pole and the first triode Q1, the 9th resistance R9, the emitter of the second triode Q2, the 4th diode D4 anode,
5th resistance R5, the 7th resistance R7, the first triode Q1 collector with output signal be connected, the anode of the 3rd diode D3 with
9th capacitance C11, the 11st capacitance C13, first resistor R1, the 5th resistance R5, the 7th resistance R7, the tenth resistance R10 and first
Operational amplifier U1：1 reverse input end is connected, and the cathode of the 4th diode D4 is connected with power cathode, the 4th diode D4
Anode and the emitter of the first triode Q1, the 9th resistance R9, the emitter of the second triode Q2, the 3rd diode D3 just
Pole, the 5th resistance R5, the 7th resistance R7, the collector of the first triode Q1 are connected with output signal, the 8th capacitance C10 and the 7th
Capacitance C8 and the 9th resistance R9 are connected；Second operational amplifier U2：1 positive input is grounded by the 4th resistance R4, and second
Operational amplifier U2：1 positive input is connected with the 6th capacitance C6, the 12nd capacitance C15 and the 11st resistance R11, and second
Operational amplifier U2：1 reverse input end is grounded by second resistance R2, the second operational amplifier U2：1 output terminal and the tenth
Two resistance R12 and the 13rd resistance R13 are connected, and the collector of the 3rd triode Q3 is connected by the 16th capacitance C19, and the three or three
The collector of pole pipe Q3 is connected with the anode of the 16th resistance R16 and the 7th diode D7, the emitter of the 3rd triode Q3 with
The emitter of 4th triode Q4 is connected, and the base stage and the 16th resistance R16 and the 5th diode D5 of the 3rd triode Q3 are just
Extremely it is connected, the collector of the 4th triode Q4 is connected with the 14th resistance R14 and the 14th capacitance C17, the 4th triode Q4's
Emitter is connected with the emitter of the 3rd triode Q3, base stage and the 14th resistance R14 and the six or two pole of the 4th triode Q4
The cathode of pipe D6 is connected, and the cathode of the 5th diode D5 is connected with the base stage of the 16th resistance R16 and the 3rd triode Q3, and the 5th
The anode of diode D5 is grounded by the 13rd capacitance C16, the anode of the 5th diode D5 and the 11st resistance R11, the 12nd
Resistance R12, the 8th capacitance C15, the 13rd resistance R13, the 12nd capacitance C15, the anode of the 6th diode D6, the 7th diode
The cathode of D7, the 8th diode D8 anode with output signal be connected, the cathode and the 14th resistance R14 of the 6th diode D6 and
The ground level of 4th triode D4 is connected, the anode of the 6th diode D6 and the 11st resistance R11, the 12nd resistance R12, the 13rd
Resistance R13, the 12nd capacitance C15, the 13rd capacitance C16, the anode of the 5th diode D5, the cathode of the 7th diode D7,
The anode of eight diode D8 is connected with output signal, the cathode and the 11st resistance R11, the 12nd resistance of the 7th diode D7
R12, the 13rd resistance R13, the 12nd capacitance C15, the 13rd capacitance C16, the anode of the 5th diode D5, the 6th diode D6
Anode, the anode of the 8th diode D8 be connected with output signal, the anode of the 7th diode D7 and the 16th resistance R16, the
The collector of 16 capacitance C19 and the 3rd triode Q3 is connected, and the cathode of the 8th diode D8 is connect by the 17th capacitance C20
Ground, the anode and the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13, the 12nd capacitance of the 8th diode D8
C15, the 13rd capacitance C16, the anode of the 5th diode D5, the anode of the 6th diode D6, the cathode of the 7th diode D7 and
Output signal is connected, and the 15th capacitance C18 is connected with the 15th resistance R15 and the 14th capacitance C17.
In use, the sender unit in control circuit module sends an initial signal and transmits the present invention
To launch driving circuit module, launch driving circuit module may amplify the signal to desired power bracket, and by amplified letter
Number be sent to resonant capacitance array module, in control circuit module capacitance control device for the signal of different frequency to resonance electricity
Hold capacitance different in array module to switch over, the capacitance after switching is connected with transmitting module to be transmitted.
Signal-to-noise ratio can be lifted 10%~20% by the present invention, this part is improved when useful signal is faint to the standard on stratum
Really response is very crucial, particularly especially prominent when formation resistivity is higher than 300 Ω m.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where not departing from the spirit and scope that claim is limited, any modification, change or the equivalents that can make are all
It will fall within the protection domain of invention.
Claims (6)
1. a kind of radiating circuit for array induction, including launch driving circuit module, resonant capacitance array module, transmitting mould
Block and control circuit module, it is characterised in that：The control circuit module includes being used for the signal hair for producing different frequency signals
Injection device and the capacitance control device for controlling the capacitor array module arrangement；The launch driving circuit module is used for by described in
The signal that sender unit produces is amplified to desired power bracket, and the power signal of amplification is sent to the resonance electricity
Hold array module；The resonant capacitance array module is used to receive the power signal from launch driving circuit module transmission
And composition resonant tank is connected with the transmitting module.
A kind of 2. radiating circuit for array induction according to claim 1, it is characterised in that：The resonant capacitance battle array
Row module is made of at least two different capacitances, and each capacitance is individually connected with the transmitting module.
A kind of 3. radiating circuit for array induction according to claim 2, it is characterised in that：The Capacity control dress
Put and be sent to the signal frequency difference of the resonant capacitance array module according to the launch driving circuit module and switch opposite
The capacitance answered is connected with the transmitting module.
A kind of 4. radiating circuit for array induction according to claim 1, it is characterised in that：The transmitting module by
At least two strands of twisted wires are wound on coil rack.
A kind of 5. radiating circuit for array induction according to claim 2, it is characterised in that：The resonant capacitance battle array
Row module includes multiple selector (U1) and the first capacitance (C1) for being connected and being arranged in parallel with the multiple selector (U1), the
Two capacitances (C2), the 3rd capacitance (C3) and the 4th capacitance (Cn).
A kind of 6. radiating circuit for array induction according to Claims 1 to 5 any one, it is characterised in that：Institute
Stating control circuit module includes the first operational amplifier (U1：1), the second operational amplifier (U1B), the first diode (D1),
Two diodes (D2), the 3rd diode (D3), the 4th diode (D4), the 5th diode (D5), the 6th diode (D6), the 7th
Diode (D7), the 8th diode (D8), the first triode (Q1), the second triode (Q2), the 3rd triode (Q3), the four or three
Pole pipe (Q4), the 5th capacitance (C5), the 6th capacitance (C6), the 7th capacitance (C8), the 8th capacitance (C10), the 9th capacitance (C11),
Tenth capacitance (C12), the 11st capacitance (C13), the 12nd capacitance (C15), the 13rd capacitance (C16), the 14th capacitance
(C17), the 15th capacitance (C18), the 16th capacitance (C19), the 17th capacitance (C20), first resistor (R1), second resistance
(R2), 3rd resistor (R3), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7), the 8th electricity
Hinder (R8), 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 15th resistance (R15) and the 16th resistance (R16)；Input signal and the 5th capacitance
(C5) it is connected with the 6th capacitance (C6), the first operational amplifier (U1：1) positive input and the 5th capacitance
(C5) it is connected, the first operational amplifier (U1：1) positive input is grounded by the 3rd resistor (R3), and described the
One operational amplifier (U1：1) reverse input end is grounded by the first resistor (R1), the first operational amplifier (U1：
1) reverse input end is grounded by the 9th capacitance (C11), the first operational amplifier (U1：1) reverse input end
It is connected by the tenth resistance (R10) with output signal, the first operational amplifier (U1：1) reverse input end passes through
7th capacitance (C8) is connected with output signal, the first operational amplifier (U1：1) reverse input end and the described 5th
Resistance (R5), the 7th resistance (R7), the collector of first triode (Q1) are connected and the 3rd diode (D2)
Anode be connected, the first operational amplifier (U1：1) output terminal and the 5th resistance (R5) and the 6th resistance
(R6) it is connected, the emitter of first triode (Q1) and emitter, the 9th resistance of second triode (Q2)
(R9), the cathode of the 3rd diode (D3), the anode of the 4th diode (D4), the 5th resistance (R5), described
7th resistance (R7), the collector of first triode (Q1) are connected with output signal, the base of first triode (Q1)
Pole is connected with the cathode of the 7th resistance (R7) and first diode (D1), the collector of second triode (Q2)
It is grounded by the 7th capacitance (C8), the collector of second triode (Q2) is connected with the 8th resistance (R8), institute
State the emitter of the second triode (Q2) and the emitter of first triode (Q1), the 9th resistance (R9), described
The cathode of three diodes (D3), the anode of the 4th diode (D4), the 5th resistance (R5), the 7th resistance
(R7), the collector of first triode (Q1) is connected with output signal, and the anode of first diode (D1) passes through institute
State the tenth capacitance (C12) ground connection, anode and the 6th resistance (R6) and the two or two pole of first diode (D1)
The cathode of pipe (D2) is connected, anode and the 8th resistance (R8) and second triode of second diode (D2)
(Q2) base stage is connected, the emitter of the cathode of the 3rd diode (Q3) and first triode (Q1), the described 9th
Resistance (R9), the emitter of second triode (Q2), the anode of the 4th diode (D4), the 5th resistance
(R5), the 7th resistance (R7), the collector of first triode (Q1) are connected with output signal, the 3rd diode
(D3) anode and the 9th capacitance (C11), the 11st capacitance (C13), the first resistor (R1), the 5th electricity
Hinder (R5), the 7th resistance (R7), the tenth resistance (R10) and the first operational amplifier (U1：1) reverse input
End be connected, the cathode of the 4th diode (D4) is connected with power cathode, the anode of the 4th diode (D4) with it is described
The emitter of first triode (Q1), the 9th resistance (R9), the emitter of second triode (Q2), the described 3rd 2
The cathode of pole pipe (D3), the 5th resistance (R5), the 7th resistance (R7), first triode (Q1) collector and
Output signal is connected, and the 8th capacitance (C10) is connected with the 7th capacitance (C8) and the 9th resistance (R9)；Described
Two operational amplifier (U2：1) positive input is grounded by the 4th resistance (R4), the second operational amplifier (U2：
1) positive input and the 6th capacitance (C6), the 12nd capacitance (C15) and the 11st resistance (R11) phase
Even, the second operational amplifier (U2：1) reverse input end is grounded by the second resistance (R2), second computing
Amplifier (U2：1) output terminal is connected with the 12nd resistance (R12) and the 13rd resistance (R13), and the described 3rd 3
The collector of pole pipe (Q3) by the 16th capacitance (C19) be connected, the collector of the 3rd triode (Q3) with it is described
16th resistance (R16) is connected with the anode of the 7th diode (D7), the emitter of the 3rd triode (Q3) and institute
The emitter for stating the 4th triode (Q4) is connected, the base stage of the 3rd triode (Q3) and the 16th resistance (R16) and
The cathode of 5th diode (D5) is connected, collector and the 14th resistance (R14) of the 4th triode (Q4)
It is connected with the 14th capacitance (C17), the emitter of the 4th triode (Q4) and the hair of the 3rd triode (Q3)
Emitter-base bandgap grading is connected, the base stage of the 4th triode (Q4) and the 14th resistance (R14) and the 6th diode (D6)
Cathode is connected, the cathode of the 5th diode (D5) and the 16th resistance (R16) and the 3rd triode (Q3)
Base stage is connected, and the anode of the 5th diode (D5) is grounded by the 13rd capacitance (C16), the 5th diode
(D5) anode and the 11st resistance (R11), the 12nd resistance (R12), the 8th capacitance (C15), described the
13 resistance (R13), the 12nd capacitance (C15), the anode of the 6th diode (D6), the 7th diode (D7)
Cathode, the 8th diode (D8) anode with output signal be connected, the cathode of the 6th diode (D6) with it is described
14th resistance (R14) is connected with the ground level of the 4th triode (D4), the anode of the 6th diode (D6) with it is described
11st resistance (R11), the 12nd resistance (R12), the 13rd resistance (R13), the 12nd capacitance (C15),
13rd capacitance (C16), the anode of the 5th diode (D5), the cathode of the 7th diode (D7), described
The anode of eight diodes (D8) is connected with output signal, cathode and the 11st resistance of the 7th diode (D7)
(R11), the 12nd resistance (R12), the 13rd resistance (R13), the 12nd capacitance (C15), the described 13rd
Capacitance (C16), the anode of the 5th diode (D5), anode, the 8th diode of the 6th diode (D6)
(D8) anode is connected with output signal, the anode of the 7th diode (D7) and the 16th resistance (R16), described the
16 capacitances (C19) are connected with the collector of the 3rd triode (Q3), and the cathode of the 8th diode (D8) passes through institute
State the 17th capacitance (C20) ground connection, anode and the 11st resistance (R11), the described tenth of the 8th diode (D8)
It is two resistance (R12), the 13rd resistance (R13), the 12nd capacitance (C15), the 13rd capacitance (C16), described
Anode, the anode of the 6th diode (D6), the cathode of the 7th diode (D7) and the output of 5th diode (D5)
Signal is connected, and the 15th capacitance (C18) is connected with the 15th resistance (R15) and the 14th capacitance (C17).
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| CN201610928192.1A CN108019199B (en) | 2016-10-31 | 2016-10-31 | Transmitting circuit for array induction |
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|---|---|---|---|
| CN201610928192.1A CN108019199B (en) | 2016-10-31 | 2016-10-31 | Transmitting circuit for array induction |
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| CN108019199B CN108019199B (en) | 2023-09-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120301A (en) * | 2018-07-13 | 2019-01-01 | 安凯(广州)微电子技术有限公司 | A kind of tuner and method of transmitting and reception community network |
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| CN104060986A (en) * | 2014-06-13 | 2014-09-24 | 中国科学院电工研究所 | Multi-frequency array electrical logging resonant launching system |
| CN104074515A (en) * | 2014-07-18 | 2014-10-01 | 北京中石曙光科技有限公司 | Microresistivity scanning imaging logging device and radiating circuit thereof |
| CN204258785U (en) * | 2014-11-28 | 2015-04-08 | 杭州丰禾石油科技有限公司 | A kind of multifrequency resonance transmission circuit for array induction logging tool |
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| US20040127185A1 (en) * | 2002-12-23 | 2004-07-01 | Abrahams Richard L. | Harmonic suppression for a multi-band transmitter |
| CN203503139U (en) * | 2013-09-13 | 2014-03-26 | 天津市畅悦电子科技有限公司 | Transmitting terminal circuit adopted in temperature control system |
| CN104060986A (en) * | 2014-06-13 | 2014-09-24 | 中国科学院电工研究所 | Multi-frequency array electrical logging resonant launching system |
| CN104074515A (en) * | 2014-07-18 | 2014-10-01 | 北京中石曙光科技有限公司 | Microresistivity scanning imaging logging device and radiating circuit thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109120301A (en) * | 2018-07-13 | 2019-01-01 | 安凯(广州)微电子技术有限公司 | A kind of tuner and method of transmitting and reception community network |
| WO2020010735A1 (en) * | 2018-07-13 | 2020-01-16 | 安凯(广州)微电子技术有限公司 | Tuning apparatus and method for transmitting and receiving shared network |
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| CN108019199B (en) | 2023-09-05 |
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