CN206513363U - A kind of radiating circuit for array induction - Google Patents
A kind of radiating circuit for array induction Download PDFInfo
- Publication number
- CN206513363U CN206513363U CN201621153296.1U CN201621153296U CN206513363U CN 206513363 U CN206513363 U CN 206513363U CN 201621153296 U CN201621153296 U CN 201621153296U CN 206513363 U CN206513363 U CN 206513363U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- diode
- triode
- negative pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of radiating circuit for array induction, including launch driving circuit module, resonant capacitance array module, transmitting coil 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；The signal that launch driving circuit module is used to produce sender unit is amplified to desired power bracket, and the power signal of amplification is sent into resonant capacitance array module；Resonant capacitance array module receives the power signal transmitted from launch driving circuit module and composition resonant tank is connected with transmitting coil.The utility model switches different electric capacity for the signal of different frequency by capacitance control device and is connected with transmitting coil, the purpose of selection signal frequency can be reached, so that every kind of signal frequency composition all has larger emitted energy, the signal to noise ratio of instrument can be greatly improved.
Description
Technical field
The utility model is related 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 up of multiple simple, two wire systems, and it uses 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 is used
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 frame 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 imaging and the radial direction of invasion profile are imaged.
Radiating circuit traditional at present typically uses following 3 kinds of schemes：1st, multifrequency sinusoid superposition output；Single-frequency is just
String ripple is exported；3rd, exported after multifrequency sinusoid superposition according to approximate square waves.It is easy that the multifrequency sinusoid used in scheme 1 is superimposed
Radiating circuit reactive loss is caused, makes transmission power device heating serious, forms that circuit is unstable and poor (the oil of high-temperature behavior
The high temperature of well logging refers to more than 175 DEG C), can only reduce transmission power to reduce launch loss, reduce instrument signal to noise ratio and
The dynamic range of response, ultimately causes Instrument measuring precision reduction and dynamic range diminishes.Though the single frequency sine wave in scheme 2
Above mentioned problem is so solved, 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 evaded the defect of scheme 1 and scheme 2, but 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 precision and dynamic range of final influence instrument.
Application No. 201420737849.2 discloses a kind of multifrequency resonance transmission circuit for array induction logging tool,
Module, mixed frequency signal filtration module, power amplifier module, passive resonance module, hair occur for the mixed frequency signal including being sequentially connected
Ray circle, module, which occurs, for mixed frequency signal is used to produce mixed frequency signal, and power amplifier module will be exported 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 coil
Also include operational amplifier, the feedback resistance in parallel with operational amplifier, it is characterised in that：Power amplifier module also includes and fortune
The full-bridge topology amplifying circuit of amplifier signal output end 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 electric capacity, the inductance with capacitance connection.The utility model uses the resonance modules of Foster comprehensive forms, passes through
Change the parameter of passive resonance module, the frequency of adjustable three resonance points and the voltage magnitude of each resonance point can reduce electricity
The debugging difficulty on road, but still suffer from the problems such as signal to noise ratio is relatively low.
The content of the invention
The utility model be in order to overcome the problems such as apparatus measures signal to noise ratio is relatively low in the prior art there is provided one kind be used for battle array
The radiating circuit of sensing is arranged, signal to noise ratio, the dynamic range for expanding apparatus measures, the enhancing instrument that can effectively improve apparatus measures
The repeatability and uniformity of device.
The utility model provides a kind of radiating circuit for array induction, including the transmitting being arranged on same circuit board
Drive circuit, resonant capacitance array circuit and control circuit and the transmitting coil being arranged on outside circuit board；Control circuit includes
The capacitor control circuit of capacitive arrangement in signal transmission circuit and control capacitor array circuit for producing different frequency signals；
The signal that launch driving circuit is used to produce signal transmission circuit is amplified to desired power bracket, and the power of amplification is believed
Number it is sent to resonant capacitance array circuit；Resonant capacitance array circuit receives the power signal from launch driving circuit transmission simultaneously
Composition resonant tank is connected with transmitting coil.
A kind of radiating circuit for array induction described in the utility model, it is preferred that, resonant capacitance array
Circuit includes at least two different electric capacity, and each electric capacity is individually connected with transmitting coil.
A kind of radiating circuit for array induction described in the utility model, it is preferred that, capacitor control circuit
The signal frequency for being sent to resonant capacitance array circuit according to launch driving circuit is different and switches corresponding electric capacity and transmitting
Coil is connected.Capacitor control circuit is for the different capacitor array of the signal switching of different frequency and emission lines in control circuit
Circle is connected, and can reach the purpose of selection signal frequency so that every kind of signal frequency composition all has larger emitted energy,
The signal to noise ratio of instrument can greatly be improved.
A kind of radiating circuit for array induction described in the utility model, it is preferred that, transmitting coil is by extremely
Few two strands of twisted wires are wound on coil rack.Each electric capacity and transmitting coil inductance constitute a parallel connection LC oscillating circuit, due to
It can be accumulated by transmitting coil using different coil turns and coil section, different inductance value L can be obtained, then pass through electricity
Under the programme-control for holding control device, timesharing connects different electric capacity and transmitting coil, you can to launch required frequency.
A kind of radiating circuit for array induction described in the utility model, it is preferred that, resonant capacitance array
Circuit include MUX and be connected and be arranged in parallel with MUX the first electric capacity, the second electric capacity, the 3rd electric capacity and
4th electric capacity.
A kind of radiating circuit for array induction described in the utility model, 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,
Five diodes, the 6th diode, the 7th diode, the 8th diode, the first triode, the second triode, the 3rd triode,
Four triodes, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 11st electric capacity,
12 electric capacity, the 13rd electric capacity, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity, the 17th electric capacity, first resistor, second
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
11st resistance, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance and the 16th resistance；Input signal with
5th electric capacity and the 6th electric capacity are connected, and the positive input of the first operational amplifier is connected with the 5th electric capacity, the first operation amplifier
The positive input of device is grounded by 3rd resistor, and the reverse input end of the first operational amplifier is grounded by first resistor, the
The reverse input end of one operational amplifier passes through the tenth electricity by the 9th capacity earth, the reverse input end of the first operational amplifier
Resistance is connected with output signal, and the reverse input end of the first operational amplifier is connected by the 11st electric capacity with output signal, and first
The reverse input end of operational amplifier is connected and the 3rd diode with the colelctor electrode of the 5th resistance, the 7th resistance, the first triode
Negative pole be connected, the output end of the first operational amplifier is connected with the 5th resistance and the 6th resistance, the emitter stage of the first triode
Emitter stage, the 9th resistance, the positive pole of the 3rd diode, the negative pole of the 4th diode, the 5th resistance with the second triode, the 7th
Resistance, the colelctor electrode of the first triode are connected with output signal, the base stage of the first triode and the 7th resistance and the first diode
Positive pole be connected, the colelctor electrode of the second triode passes through the 7th capacity earth, the colelctor electrode of the second triode and the 8th resistance phase
Even, the emitter stage of the emitter stage of the second triode and the first triode, the 9th resistance, the positive pole of the 3rd diode, the four or two pole
The negative pole of pipe, the 5th resistance, the 7th resistance, the colelctor electrode of the first triode are connected with output signal, the negative pole of the first diode
By the tenth capacity earth, the negative pole of the first diode is connected with the positive pole of the 6th resistance and the second diode, the second diode
Negative pole be connected with the base stage of the 8th resistance and the second triode, the positive pole of the 3rd diode and the emitter stage of the first triode,
9th resistance, the emitter stage of the second triode, the negative pole of the 4th diode, the 5th resistance, the 7th resistance, the collection of the first triode
Electrode is connected with output signal, the negative pole of the 3rd diode and the 9th electric capacity, the 11st electric capacity, first resistor, the 5th resistance,
The reverse input end of seven resistance, the tenth resistance and the first operational amplifier is connected, positive pole and the power cathode phase of the 4th diode
Even, the negative pole of the 4th diode and the emitter stage of the first triode, the 9th resistance, the emitter stage of the second triode, the three or two pole
The positive pole of pipe, the 5th resistance, the 7th resistance, the one or three colelctor electrode are connected with output signal, the 8th electric capacity and the 7th electric capacity and
9th resistance is connected；The positive input of second operational amplifier passes through the 4th resistance eutral grounding, the forward direction of the second operational amplifier
Input is connected with the 6th electric capacity, the 12nd electric capacity and the 11st resistance, and the reverse input end of the second operational amplifier passes through
Two resistance eutral groundings, the output end of the second operational amplifier is connected with the 12nd resistance and the 13rd resistance, the collection of the 3rd triode
Electrode is connected by the 16th electric capacity, and the colelctor electrode of the 3rd triode is connected with the negative pole of the 16th resistance and the 7th diode,
The emitter stage of 3rd triode is connected with the emitter stage of the 4th triode, base stage and the 16th resistance and the 5th of the 3rd triode
The positive pole of diode is connected, and the colelctor electrode of the 4th triode is connected with the 14th resistance and the 14th electric capacity, the 4th triode
Emitter stage is connected with the emitter stage of the 3rd triode, base stage and the 14th resistance and the positive pole of the 6th diode of the 4th triode
It is connected, the positive pole of the 5th diode is connected with the base stage of the 16th resistance and the 3rd triode, and the negative pole of the 5th diode passes through
13rd capacity earth, the negative pole and the 11st resistance of the 5th diode, the 12nd resistance, the 13rd resistance, the 12nd electric capacity,
13rd electric capacity, the negative pole of the 6th diode, the positive pole of the 7th diode, the negative pole of the 8th diode are connected with output signal,
The positive pole of 6th diode is connected with the ground level of the 14th resistance and the 4th triode, the negative pole of the 6th diode and the 11st electricity
Resistance, the 12nd resistance, the 13rd resistance, the 12nd electric capacity, the 13rd electric capacity, the negative pole of the 5th diode, the 7th diode
Positive pole, the negative pole of the 8th diode are connected with output signal, the positive pole and the 11st resistance of the 7th diode, the 12nd resistance,
13rd resistance, the 12nd electric capacity, the 13rd electric capacity, the negative pole of the 5th diode, the negative pole of the 6th diode, the 8th diode
Negative pole be connected with output signal, the negative pole of the 7th diode and the collection of the 16th resistance, the 16th electric capacity and the 3rd triode
Electrode is connected, and the positive pole of the 8th diode passes through the 17th capacity earth, the negative pole of the 8th diode and the 11st resistance, the tenth
Two resistance, the 13rd resistance, the 12nd electric capacity, the 13rd electric capacity, the negative pole of the 5th diode, the negative pole of the 6th diode,
The positive pole of seven diodes is connected with output signal, and the 15th electric capacity is connected with the 15th resistance and the 14th electric capacity.
In use, the signal transmission circuit in control circuit sends an initial signal and transmitted the utility model
To launch driving circuit, launch driving circuit may amplify the signal to desired power bracket, and the signal after amplification is sent to
Capacitor control circuit is directed to the signal of different frequency in resonant capacitance array circuit in resonant capacitance array circuit, control circuit
Different electric capacity are switched over, and the electric capacity after switching is connected with transmitting coil to be transmitted.
The utility model is made up of due to resonant capacitance array module being divided at least two electric capacity, and each electric capacity with
Transmitting coil is individually connected, by capacitor control circuit for the different electric capacity of the signal switching of different frequency and transmitting coil phase
Connection, can reach the purpose of selection signal frequency so that every kind of signal frequency composition all has larger emitted energy, can be with
Greatly improve the signal to noise ratio of instrument.
Brief description of the drawings
Fig. 1 is used for array induction radiating circuit schematic diagram to be a kind of；
Fig. 2 is a kind of circuit diagram for array induction radiating circuit capacitor array circuit；
Fig. 3 is a kind of circuit diagram for array induction radiating circuit control circuit.
Brief description of the drawings：U1, MUX；L：Inductance；C1, the first electric capacity；C2, the second electric capacity；C3：3rd electric capacity；Cn：
4th electric capacity；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 electric capacity；
C6, the 6th electric capacity；C8, the 7th electric capacity；C10, the 8th electric capacity；C11, the 9th electric capacity；C12, the tenth electric capacity；C13, the 11st electricity
Hold；C15, the 12nd electric capacity；C16, the 13rd electric capacity；C17, the 14th electric capacity；C18, the 15th electric capacity；C19, the 16th electricity
Hold；C20, the 17th electric capacity；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 utility model provides a kind of radiating circuit for array induction, including is arranged on same
Launch driving circuit, resonant capacitance array circuit and control circuit on circuit board, and the emission lines being arranged on outside circuit board
Circle, wherein control circuit includes signal transmission circuit and the control capacitor array circuit electric capacity row for being used to produce different frequency signals
The capacitor control circuit of row；The signal that launch driving circuit is used to produce signal transmission circuit is amplified to desired power model
Enclose, and the power signal of amplification is sent to resonant capacitance array circuit；Resonant capacitance array circuit, which is used to receive, carrys out spontaneous emission
The power signal of drive circuit transmission is simultaneously connected composition resonant tank with transmitting coil, and resonant capacitance array includes MUX
U1 and the first electric capacity C1 for being connected and being arranged in parallel with MUX U1, the second electric capacity C2, the 3rd electric capacity C3 and the 4th electric capacity
Cn, inductance L and different electric capacity composition LC oscillation circuits, form different frequencies of oscillation, the Capacity control in control circuit
The signal frequency that circuit is amplified according to difference by launch driving circuit controls different electric capacity to be individually connected with transmitting coil.
Circuit is controlled to include 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 electric capacity C5, the 6th
Electric capacity C6, the 7th electric capacity C8, the 8th electric capacity C10, the 9th electric capacity C11, the tenth electric capacity C12, the 11st electric capacity C13, the 12nd electricity
Hold C15, the 13rd electric capacity C16, the 14th electric capacity C17, the 15th electric capacity C18, the 16th electric capacity C19, the 17th electric capacity 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 electric capacity C5 and the 6th electric capacity C6 phases
Even, the first operational amplifier U1：1 positive input is connected with the 5th electric capacity 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 electric capacity 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 electric capacity 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
Q1 colelctor electrode is connected and is connected with the 3rd diode D2 negative pole, the first operational amplifier U1：1 output end and the 5th resistance R5
It is connected with the 6th resistance R6, the first triode Q1 emitter stage and the second triode Q2 emitter stage, the 9th resistance R9, the three or two
Pole pipe D3 positive pole, the 4th diode D4 negative pole, the 5th resistance R5, the 7th resistance R7, the first triode Q1 colelctor electrode and
Output signal is connected, and the first triode Q1 base stage is connected with the 7th resistance R7 and the first diode D1 positive pole, the two or three pole
Pipe Q2 colelctor electrode is grounded by the 7th electric capacity C8, and the second triode Q2 colelctor electrode is connected with the 8th resistance R8, the two or three pole
Pipe Q2 emitter stage and the first triode Q1 emitter stage, the 9th resistance R9, the 3rd diode D3 positive pole, the 4th diode D4
Negative pole, the 5th resistance R5, the 7th resistance R7, the first triode Q1 colelctor electrode be connected with output signal, the first diode D1
Negative pole be grounded by the tenth electric capacity C12, the first diode D1 negative pole and the 6th resistance R6 and the second diode D2 positive pole
It is connected, the second diode D2 negative pole is connected with the 8th resistance R8 and the second triode Q2 base stage, and the 3rd diode Q3 is just
Pole and the first triode Q1 emitter stage, the 9th resistance R9, the second triode Q2 emitter stage, the 4th diode D4 negative pole,
5th resistance R5, the 7th resistance R7, the first triode Q1 colelctor electrode are connected with output signal, the 3rd diode D3 negative pole
With the 9th electric capacity C11, the 11st electric capacity C13, first resistor R1, the 5th resistance R5, the 7th resistance R7, the tenth resistance R10 and
One operational amplifier U1：1 reverse input end is connected, and the 4th diode D4 positive pole is connected with power cathode, the 4th diode
D4 negative pole and the first triode Q1 emitter stage, the 9th resistance R9, the second triode Q2 emitter stage, the 3rd diode D3
Positive pole, the 5th resistance R5, the 7th resistance R7, the first triode Q1 colelctor electrode be connected with output signal, the 8th electric capacity C10 with
7th electric capacity C8 and the 9th resistance R9 is connected；Second operational amplifier U2：1 positive input is grounded by the 4th resistance R4,
Second operational amplifier U2：1 positive input is connected with the 6th electric capacity C6, the 12nd electric capacity C15 and the 11st resistance R11,
Second operational amplifier U2：1 reverse input end is grounded by second resistance R2, the second operational amplifier U2：1 output end with
12nd resistance R12 and the 13rd resistance R13 is connected, and the 3rd triode Q3 colelctor electrode is connected by the 16th electric capacity C19,
3rd triode Q3 colelctor electrode is connected with the 16th resistance R16 and the 7th diode D7 negative pole, the 3rd triode Q3 hair
Emitter-base bandgap grading is connected with the 4th triode Q4 emitter stage, the 3rd triode Q3 base stage and the 16th resistance R16 and the 5th diode
D5 positive pole is connected, and the 4th triode Q4 colelctor electrode is connected with the 14th resistance R14 and the 14th electric capacity C17, the four or three pole
Pipe Q4 emitter stage is connected with the 3rd triode Q3 emitter stage, the 4th triode Q4 base stage and the 14th resistance R14 and the
Six diode D6 positive pole is connected, the base stage phase of the 5th diode D5 positive pole and the 16th resistance R16 and the 3rd triode Q3
Even, the 5th diode D5 negative pole is grounded by the 13rd electric capacity C16, the 5th diode D5 negative pole and the 11st resistance R11,
12nd resistance R12, the 8th electric capacity C15, the 13rd resistance R13, the 12nd electric capacity C15, the 6th diode D6 negative pole, the 7th
Diode D7 positive pole, the 8th diode D8 negative pole are connected with output signal, the 6th diode D6 positive pole and the 14th electricity
The ground level for hindering R14 and the 4th triode D4 is connected, the 6th diode D6 negative pole and the 11st resistance R11, the 12nd resistance
R12, the 13rd resistance R13, the 12nd electric capacity C15, the 13rd electric capacity C16, the 5th diode D5 negative pole, the 7th diode D7
Positive pole, the 8th diode D8 negative pole be connected with output signal, the 7th diode D7 positive pole and the 11st resistance R11,
12 resistance R12, the 13rd resistance R13, the 12nd electric capacity C15, the 13rd electric capacity C16, the 5th diode D5 negative pole, the 6th
Diode D6 negative pole, the 8th diode D8 negative pole are connected with output signal, the 7th diode D7 negative pole and the 16th electricity
The colelctor electrode for hindering R16, the 16th electric capacity C19 and the 3rd triode Q3 is connected, and the 8th diode D8 positive pole passes through the 17th electricity
Hold C20 ground connection, the 8th diode D8 negative pole and the 11st resistance R11, the 12nd resistance R12, the 13rd resistance R13, the tenth
Two electric capacity C15, the 13rd electric capacity C16, the 5th diode D5 negative pole, the 6th diode D6 negative pole, the 7th diode D7
Positive pole is connected with output signal, and the 15th electric capacity C18 is connected with the 15th resistance R15 and the 14th electric capacity C17.
In use, the signal transmission circuit in control circuit sends an initial signal and transmitted the utility model
To launch driving circuit, launch driving circuit may amplify the signal to desired power bracket, and the signal after amplification is sent to
Capacitor control circuit is directed to the signal of different frequency in resonant capacitance array circuit in resonant capacitance array circuit, control circuit
Different electric capacity are switched over, and the electric capacity after switching is connected with radiating circuit to be transmitted.
The utility model can lift signal to noise ratio 10%~20%, and this part is improved when useful signal is faint to stratum
Accurate response it is very crucial, particularly when formation resistivity be higher than 300 Ω m when it is especially prominent.
It is described above to be merely exemplary for the utility model, and nonrestrictive, 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 equivalent shape that can be made
Formula is fallen within the protection domain of utility model.
Claims (5)
1. a kind of radiating circuit for array induction, it is characterised in that：Including the transmitting driving being arranged on same circuit board
Circuit, resonant capacitance circuit and control circuit, and it is arranged on the transmitting coil outside the circuit board, the control circuit bag
Include the signal transmission circuit for producing different frequency signals and control the electric capacity control of capacitive arrangement in the capacitor array circuit
Circuit processed；The signal that the launch driving circuit is used to produce the signal transmission circuit is amplified to desired power bracket,
And the power signal of amplification is sent to the resonant capacitance array circuit；The resonant capacitance array circuit comes from for reception
The power signal of the launch driving circuit transmission is simultaneously connected composition resonant tank with the transmitting coil.
2. a kind of radiating circuit for array induction according to claim 1, it is characterised in that：The resonant capacitance battle array
Column circuits include at least two different electric capacity, and each electric capacity is individually connected with the transmitting coil.
3. a kind of radiating circuit for array induction according to claim 1, it is characterised in that：The transmitting coil by
At least two strands twisted wires are wound on coil rack.
4. a kind of radiating circuit for array induction according to claim 2, it is characterised in that：The resonant capacitance battle array
Column circuits include MUX (U1) and the first electric capacity (C1) for being connected and being arranged in parallel with the MUX (U1), the
Two electric capacity (C2), the 3rd electric capacity (C3) and the 4th electric capacity (Cn).
5. a kind of radiating circuit for array induction according to Claims 1 to 4 any one, it is characterised in that：Institute
Stating control circuit includes the first operational amplifier (U1：1), 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 seven or two pole
Manage (D7), the 8th diode (D8), the first triode (Q1), the second triode (Q2), the 3rd triode (Q3), the 4th triode
(Q4), the 5th electric capacity (C5), the 6th electric capacity (C6), the 7th electric capacity (C8), the 8th electric capacity (C10), the 9th electric capacity (C11), the tenth
Electric capacity (C12), the 11st electric capacity (C13), the 12nd electric capacity (C15), the 13rd electric capacity (C16), the 14th electric capacity (C17),
15 electric capacity (C18), the 16th electric capacity (C19), the 17th electric capacity (C20), first resistor (R1), 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),
Nine resistance (R9), the tenth resistance (R10), the 11st resistance (R11), the 12nd resistance (R12), the 13rd resistance (R13), the tenth
Four resistance (R14), the 15th resistance (R15) and the 16th resistance (R16)；Input signal and the 5th electric capacity (C5) and described
6th electric capacity (C6) is connected, the first operational amplifier (U1：1) positive input is connected with the 5th electric capacity (C5),
First operational amplifier (the U1：1) positive input is grounded by the 3rd resistor (R3), first operation amplifier
Device (U1：1) reverse input end is grounded by the first resistor (R1), the first operational amplifier (U1：1) reverse defeated
Enter end to be grounded by the 9th electric capacity (C11), the first operational amplifier (U1：1) reverse input end passes through described
Ten resistance (R10) are connected with output signal, the first operational amplifier (U1：1) reverse input end passes through the described 7th electricity
Hold (C8) with output signal to be connected, the first operational amplifier (U1：Reverse input end 1) and the 5th resistance (R5),
The negative pole phase that 7th resistance (R7), the colelctor electrode of first triode (Q1) are connected with the 3rd diode (D2)
Even, the first operational amplifier (U1：1) output end is connected with the 5th resistance (R5) and the 6th resistance (R6),
It is the emitter stage of first triode (Q1) and the emitter stage of second triode (Q2), the 9th resistance (R9), described
Positive pole, the negative pole of the 4th diode (D4), the 5th resistance (R5), the 7th resistance of 3rd diode (D3)
(R7), the colelctor electrode of first triode (Q1) is connected with output signal, the base stage of first triode (Q1) with it is described
7th resistance (R7) is connected with the positive pole of first diode (D1), and the colelctor electrode of second triode (Q2) passes through described
7th electric capacity (C8) is grounded, and the colelctor electrode of second triode (Q2) is connected with the 8th resistance (R8), and the described 2nd 3
The emitter stage of pole pipe (Q2) and emitter stage, the 9th resistance (R9), the 3rd diode of first triode (Q1)
(D3) positive pole, the negative pole of the 4th diode (D4), the 5th resistance (R5), the 7th resistance (R7), described
The colelctor electrode of one triode (Q1) is connected with output signal, and the negative pole of first diode (D1) passes through the tenth electric capacity
(C12) it is grounded, the negative pole of first diode (D1) and the 6th resistance (R6) and second diode (D2) are just
Extremely it is connected, negative pole and the 8th resistance (R8) and the base stage phase of second triode (Q2) of second diode (D2)
Even, the positive pole of the 3rd diode (Q3) and the emitter stage of first triode (Q1), the 9th resistance (R9), described
The emitter stage of second triode (Q2), the negative pole of the 4th diode (D4), the 5th resistance (R5), the 7th resistance
(R7), the colelctor electrode of first triode (Q1) is connected with output signal, the negative pole of the 3rd diode (D3) with it is described
9th electric capacity (C11), the 11st electric capacity (C13), the first resistor (R1), the 5th resistance (R5), the described 7th
Resistance (R7), the tenth resistance (R10) and the first operational amplifier (U1：1) reverse input end is connected, and the described 4th
The positive pole of diode (D4) is connected with power cathode, the negative pole of the 4th diode (D4) and first triode (Q1)
Emitter stage, the 9th resistance (R9), the emitter stage of second triode (Q2), the positive pole of the 3rd diode (D3),
5th resistance (R5), the 7th resistance (R7), the colelctor electrode of first triode (Q1) are connected with output signal, institute
The 8th electric capacity (C10) is stated with the 7th electric capacity (C8) and the 9th resistance (R9) to be connected；Second operational amplifier
(U2：1) positive input is grounded by the 4th resistance (R4), the second operational amplifier (U2：1) positive input
End is connected with the 6th electric capacity (C6), the 12nd electric capacity (C15) and the 11st resistance (R11), second fortune
Calculate amplifier (U2：1) reverse input end is grounded by the second resistance (R2), the second operational amplifier (U2：1)
Output end is connected with the 12nd resistance (R12) and the 13rd resistance (R13), the current collection of the 3rd triode (Q3)
Pole is connected by the 16th electric capacity (C19), colelctor electrode and the 16th resistance (R16) of the 3rd triode (Q3)
It is connected with the negative pole of the 7th diode (D7), emitter stage and the 4th triode (Q4) of the 3rd triode (Q3)
Emitter stage be connected, the base stage of the 3rd triode (Q3) and the 16th resistance (R16) and the 5th diode
(D5) positive pole is connected, colelctor electrode and the 14th resistance (R14) and the 14th electricity of the 4th triode (Q4)
Hold (C17) to be connected, the emitter stage of the 4th triode (Q4) is connected with the emitter stage of the 3rd triode (Q3), described the
The base stage of four triodes (Q4) is connected with the positive pole of the 14th resistance (R14) and the 6th diode (D6), and described
The positive pole of five diodes (D5) is connected with the base stage of the 16th resistance (R16) and the 3rd triode (Q3), and described
The negative pole of five diodes (D5) is grounded by the 13rd electric capacity (C16), the negative pole of the 5th diode (D5) with it is described
11st resistance (R11), the 12nd resistance (R12), the 8th electric capacity (C15), the 13rd resistance (R13), institute
State the 12nd electric capacity (C15), the negative pole of the 6th diode (D6), the positive pole of the 7th diode (D7), the described 8th
The negative pole of diode (D8) is connected with output signal, positive pole and the 14th resistance (R14) of the 6th diode (D6)
It is connected with the ground level of the 4th triode (D4), the negative pole of the 6th diode (D6) and the 11st resistance (R11),
12nd resistance (R12), the 13rd resistance (R13), the 12nd electric capacity (C15), the 13rd electric capacity
(C16), the negative pole of the 5th diode (D5), the positive pole of the 7th diode (D7), the 8th diode (D8)
Negative pole is connected with output signal, positive pole and the 11st resistance (R11), the 12nd electricity of the 7th diode (D7)
Hinder (R12), the 13rd resistance (R13), the 12nd electric capacity (C15), the 13rd electric capacity (C16), the described 5th
The negative pole of diode (D5), the negative pole of the 6th diode (D6), the negative pole of the 8th diode (D8) and output signal
It is connected, the negative pole of the 7th diode (D7) and the 16th resistance (R16), the 16th electric capacity (C19) and described
The colelctor electrode of 3rd triode (Q3) is connected, and the positive pole of the 8th diode (D8) is connect by the 17th electric capacity (C20)
Ground, negative pole and the 11st resistance (R11), the 12nd resistance (R12), the described tenth of the 8th diode (D8)
Three resistance (R13), the 12nd electric capacity (C15), the 13rd electric capacity (C16), the negative pole of the 5th diode (D5),
Negative pole, the positive pole of the 7th diode (D7) of 6th diode (D6) are connected with output signal, the 15th electricity
Hold (C18) with the 15th resistance (R15) and the 14th electric capacity (C17) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153296.1U CN206513363U (en) | 2016-10-31 | 2016-10-31 | A kind of radiating circuit for array induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153296.1U CN206513363U (en) | 2016-10-31 | 2016-10-31 | A kind of radiating circuit for array induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513363U true CN206513363U (en) | 2017-09-22 |
Family
ID=59861139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153296.1U Active CN206513363U (en) | 2016-10-31 | 2016-10-31 | A kind of radiating circuit for array induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117420604A (en) * | 2023-12-19 | 2024-01-19 | 上海高晶检测科技股份有限公司 | Metal detector |
-
2016
- 2016-10-31 CN CN201621153296.1U patent/CN206513363U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117420604A (en) * | 2023-12-19 | 2024-01-19 | 上海高晶检测科技股份有限公司 | Metal detector |
| CN117420604B (en) * | 2023-12-19 | 2024-02-23 | 上海高晶检测科技股份有限公司 | Metal detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106154341B (en) | A kind of nuclear magnetic resonance and transient electromagnetic integrative detection instrument and working method | |
| CN104597352A (en) | Power quality monitoring system | |
| CN109443576A (en) | A kind of passive wireless temperature sensor | |
| CN103456156A (en) | Long-distance passive wireless sensor remote-measuring system with working frequency adjustable | |
| CN206513363U (en) | A kind of radiating circuit for array induction | |
| CN108019199A (en) | A kind of radiating circuit for array induction | |
| CN201226507Y (en) | Power amplification circuit for power line carrier communication | |
| CN208043995U (en) | Magnetoelectricity converting means and cable fault positioning device | |
| CN206019711U (en) | A kind of wireless vibratory string acquisition system of synchronized sampling | |
| CN113866837B (en) | Electrical source nuclear magnetic resonance and induced polarization combined device and detection method | |
| CN202798468U (en) | Photomultiplier high-voltage power supply | |
| CN102096109B (en) | Inductance type metal approach detecting probe | |
| CN204044250U (en) | A kind of multi-frequency scanning formula pole tower ground resistance measurement mechanism | |
| CN202330486U (en) | Novel path signal source for detecting power cables | |
| CN212301568U (en) | Magnetic bead oscillation position detection device | |
| CN204101745U (en) | Metal detecting device | |
| CN109633278B (en) | Capacitor device | |
| CN2376629Y (en) | Program-controlled testing power supply | |
| CN201322769Y (en) | Electric current detecting device for electromagnetic oven | |
| CN203426030U (en) | Matching device of sound wave energy converter | |
| CN202435347U (en) | Control circuit for restricting carrier wave transmission by controlling voltage | |
| CN105974959A (en) | Electronic temperature controller signal processing system based on low pass filter circuit | |
| CN206557142U (en) | Resistivity Dmt is popped one's head in | |
| CN109444526A (en) | A kind of device for the alternating voltage that measurement frequency is variable | |
| CN201837730U (en) | Inductance type metal approach detection probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |