CN108254791A - A kind of Transient Electromagnetic Transmitter damping coalignment and method - Google Patents
A kind of Transient Electromagnetic Transmitter damping coalignment and method Download PDFInfo
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- CN108254791A CN108254791A CN201810048458.2A CN201810048458A CN108254791A CN 108254791 A CN108254791 A CN 108254791A CN 201810048458 A CN201810048458 A CN 201810048458A CN 108254791 A CN108254791 A CN 108254791A
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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Abstract
This application discloses a kind of Transient Electromagnetic Transmitter damping coalignment and method, including damping adjustment module and control module；Wherein, the first output terminal of the first end connection transmitting coil of adjustment module is damped, damps the second output terminal of the second end connection transmitting coil of adjustment module, damps the output terminal of the control terminal link control module of adjustment module；Adjustment module is damped, for utilizing the control Signal Regulation damping resistance resistance value of control module output.The application is in series with the damping adjustment module for receiving control module control between the first output terminal of the transmitting coil of Transient Electromagnetic Transmitter and second output terminal, it realizes after transmitting coil is replaced, damping adjustment module can be according to the control Signal Regulation of the control module transmission damping resistance of itself, damping resistance is made to be matched with current transmitting coil, can preferably absorb the current over pulse between two output terminals of transmitting coil and concussion.
Description
Technical field
The present invention relates to geology detecting field, more particularly to a kind of Transient Electromagnetic Transmitter damping coalignment and method.
Background technology
Transient electromagnetic method is also known as time domain electromagnetic method, is a kind of electrical ginseng using the law of electromagnetic induction to underground medium
The methods that are detected of number are widely used in mineral exploration, water resource detection, study on geological tectonics, oil field are reconnoitred and lossless
The numerous areas such as detection.Transient Electromagnetic Transmitter is electric by the pulse of earth-free transmitting coil to underground periodicity sending perseverance width
Stream establishes pulsatile once magnetic field in underground, then receives pulse current by receiving coil and turn off formed in the geologic body of gap
Secondary turbulence field, and secondary field data is analyzed and processed, the geologic structure of underground can be obtained.
The transmitting coil of transient electromagnetic emitter can be divided into the transmitting coil two of big loop line and the small wire frame of multiturn by size
Kind.The small wire frame coil of multiturn is because of some features of its own, and there is only coil inductances and internal resistance for equivalent model, and also there are circles
Between distribution capacity, and the response that distribution capacity and inductance are formed be typical second-order response.When emission current turns off suddenly,
If only at transmitting coil both ends and having connect constant pressure clamp circuit plus absorbing circuit, it often will appear electric current in shutdown latter stage
Overshoot and concussion.
Electric current can be absorbed therefore, it is necessary to a kind of between two output terminals of the transmitting coil of transient electromagnetic emitter
Overshoot and the absorbing circuit of concussion.
Invention content
In view of this, the purpose of the present invention is to provide a kind of Transient Electromagnetic Transmitters to damp coalignment and method, with
Absorb the current over pulse between two output terminals of transmitting coil and concussion.Its concrete scheme is as follows：
A kind of Transient Electromagnetic Transmitter damps coalignment, including damping adjustment module and control module；Wherein, the resistance
First output terminal of the first end connection transmitting coil of Buddhist nun's adjustment module, the second end of the damping adjustment module connect the hair
The second output terminal of ray circle, the control terminal of the damping adjustment module connect the output terminal of the control module；
The damping adjustment module, for utilizing the control Signal Regulation damping resistance resistance value of control module output.
Optionally, it is described damping adjustment module include multiple damping resistances, total controllable switch and with each damping resistance pair
The multiple branch controllable switches answered；Wherein, multiple damping resistances are connected on the transmitting coil first with total controllable switch
Between output terminal and second output terminal, one end of total controllable switch and the first output terminal of the transmitting coil or second are defeated
Outlet is connected, and each branch controllable switch is connected in parallel on corresponding damping resistance；
The control module includes control unit corresponding with each branch controllable switch and total controllable switch, each to control
The output terminal of unit is connected with the control terminal of each branch controllable switch and total controllable switch.
Optionally, the damping adjustment module includes multiple damping units, and each damping unit includes what is be serially connected
Damping resistance and controllable switch corresponding with the damping resistance；Wherein, each damping unit is connected on the transmitting coil
It is parallel with one another between each damping unit between first output terminal and second output terminal；
The control module includes control unit corresponding with each damping unit, the output terminal of each control unit with it is every
The control terminal of controllable switch in a damping unit is connected.
Optionally, the controllable switch is bidirectional triode thyristor.
Optionally, the resistance value of the damping resistance in each damping unit is identical.
Optionally, the resistance value of the damping resistance in each damping unit differs.
Optionally, each damping unit further includes the filter resistance and filter capacitor in parallel with the controllable switch, described
Filter capacitor is connected with the filter resistance, and one end of the filter capacitor is connected to the damping resistance and the controllable switch
Between, one end of the filter resistance is connected with the second output terminal of the transmitting coil.
Optionally, each control unit includes controller, the first photoisolator, the second photoisolator, first resistor
And second resistance；Wherein, the control terminal of the controller is connected with control terminal, the first end of the controller and described first
The second end of photoisolator is connected, the first end of first photoisolator and the second end of second photoisolator
It is connected, the third end of first photoisolator is connected with the control terminal of the controllable switch, first photoisolator
The 4th end be connected with one end of the first resistor, the of the other end of the first resistor and second photoisolator
Three ends are connected, and the first end of second photoisolator is connected with one end of the second resistance, the second resistance it is another
One end is connected with the positive pole；
The control module further includes current-limiting resistance, the 4th end and the current-limiting resistance phase of second photoisolator
Even, the current-limiting resistance other end is connected with the first output terminal of the transmitting coil.
The invention also discloses a kind of Transient Electromagnetic Transmitters to damp matching process, is sent out applied to transient electromagnetic as the aforementioned
Machine damping coalignment is penetrated, including：
Obtain the parameters of current transmitting coil, using each specification transmitting coil precomputed parameters with
The correspondence of damping resistance generates control signal corresponding with current transmitting coil, and the Transient Electromagnetic Transmitter is controlled to hinder
Buddhist nun's coalignment accesses damping resistance corresponding with current transmitting coil.
In the present invention, Transient Electromagnetic Transmitter damping coalignment, including damping adjustment module and control module；Wherein,
The first output terminal of the first end connection transmitting coil of adjustment module is damped, damps the second end connection transmitting coil of adjustment module
Second output terminal, damp the output terminal of the control terminal link control module of adjustment module；Adjustment module is damped, for utilizing control
The control Signal Regulation damping resistance resistance value of molding block output.The present invention Transient Electromagnetic Transmitter transmitting coil it is first defeated
The damping adjustment module for receiving control module control is in series between outlet and second output terminal, realizes and is replacing transmitting coil
Afterwards, the control Signal Regulation damping resistance of itself that damping adjustment module can be sent according to control module, make damping resistance and
Current transmitting coil matching, can preferably absorb the current over pulse between two output terminals of transmitting coil and concussion.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 damps coalignment structure diagram for a kind of Transient Electromagnetic Transmitter disclosed by the embodiments of the present invention；
Fig. 2 damps coalignment structure diagram for another Transient Electromagnetic Transmitter disclosed by the embodiments of the present invention；
Fig. 3 damps coalignment structure diagram for another Transient Electromagnetic Transmitter disclosed by the embodiments of the present invention；
Fig. 4 damps coalignment structure diagram for another Transient Electromagnetic Transmitter disclosed by the embodiments of the present invention；
Fig. 5 damps matching process flow diagram for a kind of Transient Electromagnetic Transmitter disclosed by the embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of Transient Electromagnetic Transmitters to damp coalignment, shown in Figure 1, the device packet
Include damping adjustment module 11 and control module 12；Wherein, the first of the first end connection transmitting coil of damping adjustment module 11 is defeated
Outlet 13, the second output terminal 14 of the second end connection transmitting coil of damping adjustment module 11, damps the control of adjustment module 11
Hold the output terminal of link control module 12；
Adjustment module 11 is damped, for the control Signal Regulation damping resistance resistance value exported using control module 12.
Specifically, resistance of connecting between the first output terminal 13 of the transmitting coil of Transient Electromagnetic Transmitter and second output terminal
Buddhist nun's adjustment module 11 by the use of adjustment module 11 is damped as absorbing circuit, absorbs the electric current that transmitting coil occurs in shutdown latter stage
Overshoot and concussion, damping adjustment module 11 can receive the control signal of the transmission of the control module being attached thereto 12, work as emission lines
Circle is replaced, and the parameter specification of transmitting coil changes, then damps adjustment module 11 and can utilize signal damping is controlled to adjust mould
Block 11 adjusts the resistance value of the damping resistance of therein, to match current transmitting coil, it is ensured that can absorb current emission lines
Enclose the current over pulse occurred in shutdown latter stage and concussion.
It is understood that above-mentioned control module 12 can receive control terminal, and e.g., computer, the control instruction of output,
Control module 12 generates corresponding control signal according to control instruction, and the control of damping adjustment module 11 is sent to by output terminal
End.
As it can be seen that in the first output terminal 13 of the transmitting coil of Transient Electromagnetic Transmitter and the second output in the embodiment of the present invention
The damping adjustment module 11 for receiving the control of control module 12 is in series between end, is realized after transmitting coil is replaced, damping is adjusted
Module 11 can make damping resistance and current transmitting according to the control Signal Regulation of the transmission of control module 12 damping resistance of itself
Coil matches, and can preferably absorb the current over pulse between two output terminals of transmitting coil and concussion.
The embodiment of the invention discloses a kind of specific Transient Electromagnetic Transmitter damping coalignments, implement relative to upper one
Example, the present embodiment have made further instruction and optimization to technical solution.Specifically：
Shown in Figure 2, above-mentioned damping adjustment module 11 can include multiple damping units 111, each damping unit 111
Include the damping resistance being serially connected (R1~R4 is the damping resistance in different damping unit) and corresponding with damping resistance
Controllable switch (Q1~Q4 is the controllable switch in different damping unit)；Wherein, each damping unit 111 is connected on transmitting
It is parallel with one another between each damping unit 111 between the first output terminal 13 and second output terminal of coil；
Control module 12 include with each 111 corresponding control unit 121 of damping unit, each control unit 121 it is defeated
Outlet is connected with the control terminal of the controllable switch in each damping unit 111.
Specifically, whether damping resistance is linked into the first output terminal 13 and the of transmitting coil in each damping unit 111
It is determined between two output terminals by whether controllable switch in each damping unit 111 is connected, when controllable in a damping unit 111
Switch conduction, then the damping resistance in the damping unit 111 will be linked into the first output terminal 13 of transmitting coil and second defeated
Between outlet, due to being in series with multiple damping units 111 parallel with one another between two output terminals of transmitting coil, when control is different
The controllable switch conducting of the damping unit 111 of quantity, the damping resistance of transmitting coil change correspondingly, so as to fulfill emission lines are adjusted
Enclose the damping resistance between two output terminals so that after transmitting coil is replaced, damping adjustment module 11 can be adjusted accordingly
Damping resistance makes current damping resistance resistance value be matched with current transmitting coil；Each controllable switch by control module 12 with
The control unit 121 that is connected of control terminal control whether to be connected.
Further, shown in Figure 3, preferably to absorb current over pulse and the concussion of transmitting coil, each damping is single
Member 111 can also include the filter resistance (R5~R8 be filter resistance in different damping unit) in parallel with controllable switch and
Filter capacitor (C1~C4 is the filter capacitor in different damping unit), filter capacitor is connected with filter resistance, filter capacitor
One end be connected between damping resistance and controllable switch, one end of filter resistance and 14 phase of second output terminal of transmitting coil
Even.
Specifically, when controllable switch does not turn on, damping resistance, filter capacitor and filter resistance in damping unit 111
It is sequentially connected in series between the first output terminal 13 and second output terminal of transmitting coil, one end of damping resistance and the of transmitting coil
One output terminal 13 is connected, and the other end of damping resistance is connected with one end of filter capacitor, one end of filter resistance and transmitting coil
Second output terminal 14 be connected, the other end of filter resistance is connected with the other end of filter capacitor, filter capacitor use small capacitances,
Filter resistance uses big resistance, so that the first output terminal of damping resistance, filter capacitor and filter resistance in transmitting coil
Performance RC high-frequency filter circuits between 13 and second output terminal, do not cause substantive shadow to the equivalent-circuit model of transmitting coil
It rings, while can play the role of absorbing current over pulse and the concussion of transmitting coil；When controllable switch is connected, due to filtered electrical
Hold and filter resistance is in parallel with controllable switch, so controllable switch is connected short circuit filter capacitor and filter resistance, make damping electric
Resistance is directly accessed between two output terminals of transmitting coil.
In the embodiment of the present invention, each control unit 121 can specifically include controller, and (U1~U4 is that different controls are single
Controller in member), (U6, U8, U10 and U12 are the first Phototube Coupling in different control units to the first photoisolator
Device), the second photoisolator (U5, U7, U9 and U11 are the second photoisolator in different control units), first resistor
(R10~R13 is in different control units for (R14~R17 is the first resistor in different control units) and second resistance
Second resistance)；Wherein, the control terminal of controller is connected with control terminal, the first end of controller and the first photoisolator
Second end is connected, and the first end of the first photoisolator is connected with the second end of the second photoisolator, the first photoisolator
Third end be connected with the control terminal of controllable switch, the 4th end of the first photoisolator is connected with one end of first resistor,
The other end of one resistance is connected with the third end of the second photoisolator, the first end of the second photoisolator and second resistance
One end is connected, and the other end of second resistance is connected with positive pole；
Control module 12 further includes current-limiting resistance R9, and the 4th end of the second photoisolator is connected with current-limiting resistance R9, limit
The leakage resistance R9 other ends are connected with the first output terminal 13 of transmitting coil.
Specifically, the photoisolator in each control unit 121, which can be MOC3081 optocouplers, realizes light-coupled isolation,
Ensure signal is controlled not interfere transmitting coil, the first end of the second photoisolator passes through second resistance and power supply phase
Even, so that the light emitting diode of the second photoisolator and the first photoisolator shines in the case where controller is connected, the
4th end of two photoisolators is connected by current-limiting resistance R9 with the first output terminal of power coil, and the first of transmitting coil is defeated
The electric signal of outlet 13 is input to resistance by current-limiting resistance R9, the second photoisolator, first resistor and the first photoisolator
The control terminal of controllable switch in Buddhist nun's unit 111 is connected controllable switch, the controller of control unit 121 as control signal
Can be that FDS6688 controls chip, the control terminal of FDS6688 control chips is connected with control terminal, receives control instruction, accordingly
The first photoisolator of conducting and the second photoisolator, input terminal, that is, first end and the first light of FDS6688 control chips
The second end of electric isolator is connected, the output terminal ground connection of FDS6688 control chips.
It is understood that control terminal is by sending multiple control signal to corresponding control unit 121, so as to fulfill
Between two output terminals for controlling multiple damping resistance access transmitting coils, damping electricity between two output terminals of transmitting coil is realized
Hinder the variation of total resistance value.
It is understood that above-mentioned controllable switch can be bidirectional triode thyristor, the damping resistance in each damping unit 111
Resistance value it is identical, the resistance value of the damping resistance in each damping unit 111 can also be differed, naturally it is also possible to using other
Combination can be set according to practical application request, not limited herein；Damping in each damping unit 111
The resistance value of resistance is identical, then as the damping resistance between access two output terminals of transmitting coil increases, the damping of transmitting coil
Resistance, that is, total resistance value is reduced with unit change rate, realizes that resistance value is adjusted, simple and fast, for example, 4 damping units are shared,
Then there are five types of combinations altogether；But the resistance value of the damping resistance in each damping unit 111 is identical, resistance value range of choice compared with
It is small, therefore, the resistance value of the damping resistance in damping unit can be made to differ, group is carried out by the damping resistance of different resistance values
Conjunction can generate a variety of damping resistance collocation, for example, sharing 4 damping units, then one share 16 kinds of combinations.
In addition, the embodiment of the invention also discloses a kind of specific Transient Electromagnetic Transmitter damping coalignment, referring to Fig. 4
Shown, which includes：
Damp adjustment module 11 can include multiple damping resistances (R1~R4 is damping resistance), total controllable switch Q5 and
Multiple branch controllable switches corresponding with each damping resistance (Q1~Q4 is branch controllable switch)；Wherein, multiple damping electricity
Resistance and total controllable switch Q5 are connected between the first output terminal 13 of transmitting coil and second output terminal 14, total controllable switch Q5's
One end is connected with the first output terminal 13 or second output terminal 14 of transmitting coil, and each branch controllable switch is connected in parallel on corresponding resistance
In buffer resistance；
Control module 12 includes control unit 121 corresponding with each branch controllable switch and total controllable switch Q5, each
The output terminal of control unit 121 is connected with the control terminal of each branch controllable switch and total controllable switch Q5.
Specifically, total controllable switch Q5 be connected on the end of multiple damping resistances and the first output terminal 13 of transmitting coil or
Second output terminal 14 is connected, and damping resistance can just be linked into the first output of transmitting coil only after total controllable switch Q5 is connected
Between end 13 and second output terminal 14, each branch controllable switch is connected the corresponding damping resistance of short circuit, therefore, is being controlled
After making total controllable switch Q5 conductings, different branch controllable switches is controlled to be connected, the first output terminal of transmitting coil can be adjusted
Damping resistance resistance value between 13 and second output terminal 14 makes the resistance value of current damping resistance be matched with current transmitting coil, this
The control unit 121 of inventive embodiments can refer to the concrete structure in previous embodiment, and principle is identical.
Correspondingly, the embodiment of the invention also discloses a kind of Transient Electromagnetic Transmitters to damp matching process, referring to Fig. 5 institutes
Show, this method includes：
S11：The parameters of current transmitting coil are obtained, are joined using the items of each specification transmitting coil precomputed
The correspondence of number and damping resistance generates control signal corresponding with current transmitting coil, control Transient Electromagnetic Transmitter resistance
Buddhist nun's coalignment accesses damping resistance corresponding with current transmitting coil.
Specifically, the process of the parameters of each specification transmitting coil precomputed can include：
The expression formula of damping resistance is solved by the equivalent circuit of transmitting coil.Transmitting coil equivalent-circuit model is coil
Equivalent inductance and internal resistance series connection after it is in parallel with Equivalent Distributed capacitance, the matching damping resistance accessed also therewith parallel connection.
The equivalent circuit is second-order circuit, and transmission function is formula (1)：
The time-domain expression formula of equivalent circuit is (2)：
Above formula can be reduced to：
In formula (3)ωp, ω0Transmitting is represented respectively
The resonant frequency and natural resonance frequency of coil.
Damped coefficient
As critical damping ζ=1, can solve damping resistance by formula (4) is
The calculating of the internal resistance of transmitting coil utilizes the decision formula of conductor resistanceIt calculates；
ρ is winding wire resistivity in formula, and l is winding wire length, and S is winding wire cross-sectional area.
The solution of the inductance of transmitting coil use formula for
In formula, d is transmitting coil diameter, and N is coil turn, μ0For magnetic conductivity in vacuum, Φ is the amount changed with ratio k
(k=l/d), the calculating formula of Φ refers to short toroidal winding model (when k is fractional value)；
Distance is equal between the size of the small wire frame stary capacity of coil of multiturn and sectional area of wire, thickness of insulating layer and coil turn
Correlation, when transmitting coil be turn-to-turn tight structure when, the distance between two circle coils be only insulating layer, so when thickness of insulating layer
It is affected to distribution capacity.Using Maxwell's 2-D electrostatic axial symmetry solvers, can quickly be imitated using finite element model
Really calculate coil turn-to-turn parasitic capacitance.After simulation calculation obtains coil turn-to-turn parasitic capacitance, appropriate matrix can be passed through
All intermediate nodes are eliminated in operation, obtain the value of the equivalent lump parasitic capacitance between two terminals, and as coil both ends are in parallel
Distributed capacitance.
For difference transmitting coils common in practical application, simulation calculation the size of distributed capacitance can be gone out in advance, and
It stores the result into computer, the data source that using as field application when tables look-up.Table 1 is fixed for transmitting coil effective area
For 128m2When, the transmitting coil parameter list of different number of turn specifications.
Table 1
| N | 2 | 4 | 8 | 16 | 24 | 32 | 48 | 64 |
| r/Ω | 4.515 | 3.192 | 2.257 | 1.596 | 1.303 | 1.129 | 0.922 | 0.798 |
| R/Ω | 0.493 | 0.697 | 0.985 | 1.393 | 1.706 | 1.971 | 2.414 | 2.786 |
| L/mH | 0.197 | 0.495 | 1.211 | 2.893 | 4.740 | 6.676 | 10.645 | 14.611 |
| C/pF | 3822.7 | 992.2 | 346.787 | 140.572 | 86.913 | 62.531 | 40.138 | 29.410 |
According to the parameters for precomputing transmitting coil, pair of different number of turn transmitting coils and damping resistance value is established
It should be related to, so as to change when transmitting coil parameter, can Transient Electromagnetic Transmitter resistance be controlled according to transmitting coil parameter list
Buddhist nun's coalignment accesses damping resistance corresponding with current transmitting coil, so as to preferably absorb the current over pulse of transmitting coil
And concussion.
As it can be seen that in the first output terminal and second output terminal of the transmitting coil of Transient Electromagnetic Transmitter in the embodiment of the present invention
Between be in series with receive control module control damping adjustment module, realize after transmitting coil is replaced, damping adjustment module energy
The control Signal Regulation of the enough foundation control module transmissions damping resistance of itself, makes damping resistance be matched with current transmitting coil,
The current over pulse between two output terminals of transmitting coil and concussion can preferably be absorbed.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Profession
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Detailed Jie has been carried out to a kind of Transient Electromagnetic Transmitter damping coalignment provided by the present invention and method above
It continues, specific case used herein is expounded the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion the content of the present specification should not manage
It solves as limitation of the present invention.
Claims (9)
1. a kind of Transient Electromagnetic Transmitter damps coalignment, which is characterized in that including damping adjustment module and control module；Its
In, the first output terminal of the first end connection transmitting coil of the damping adjustment module, the second end of the damping adjustment module
The second output terminal of the transmitting coil is connected, the control terminal of the damping adjustment module connects the output of the control module
End；
The damping adjustment module, for utilizing the control Signal Regulation damping resistance resistance value of control module output.
2. Transient Electromagnetic Transmitter according to claim 1 damps coalignment, which is characterized in that the damping adjusts mould
Block includes multiple damping resistances, total controllable switch and multiple branch controllable switches corresponding with each damping resistance；Wherein, it is multiple
Damping resistance and total controllable switch are connected between first output terminal of transmitting coil and second output terminal, described always
One end of control switch is connected with the first output terminal or second output terminal of the transmitting coil, and each branch controllable switch is connected in parallel on
On corresponding damping resistance；
The control module includes control unit corresponding with each branch controllable switch and total controllable switch, each control unit
Output terminal be connected with the control terminal of each branch controllable switch and total controllable switch.
3. Transient Electromagnetic Transmitter according to claim 1 damps coalignment, which is characterized in that the damping adjusts mould
Block includes multiple damping units, and each damping unit includes the damping resistance being serially connected and corresponding with the damping resistance
Controllable switch；Wherein, each damping unit is connected between the first output terminal of the transmitting coil and second output terminal, each
It is parallel with one another between damping unit；
The control module includes control unit corresponding with each damping unit, the output terminal of each control unit and each resistance
The control terminal of controllable switch in Buddhist nun's unit is connected.
4. Transient Electromagnetic Transmitter according to claim 3 damps coalignment, which is characterized in that the controllable switch is
Bidirectional triode thyristor.
5. Transient Electromagnetic Transmitter according to claim 3 damps coalignment, which is characterized in that in each damping unit
Damping resistance resistance value it is identical.
6. the Transient Electromagnetic Transmitter damping coalignment according to requiring 3, which is characterized in that the resistance in each damping unit
The resistance value of buffer resistance differs.
7. coalignment is damped according to claim 3 to 6 any one of them Transient Electromagnetic Transmitter, which is characterized in that each
Damping unit further includes the filter resistance and filter capacitor in parallel with the controllable switch, the filter capacitor and the filtered electrical
Resistance series connection, one end of the filter capacitor are connected between the damping resistance and the controllable switch, the filter resistance
One end is connected with the second output terminal of the transmitting coil.
8. coalignment is damped according to claim 3 to 6 any one of them Transient Electromagnetic Transmitter, which is characterized in that each
Control unit includes controller, the first photoisolator, the second photoisolator, first resistor and second resistance；Wherein, it is described
The control terminal of controller is connected with control terminal, the first end of the controller and the second end phase of first photoisolator
Even, the first end of first photoisolator is connected with the second end of second photoisolator, first photoelectricity every
Third end from device is connected with the control terminal of the controllable switch, the 4th end of first photoisolator and the described first electricity
One end of resistance is connected, and the other end of the first resistor is connected with the third end of second photoisolator, second light
The first end of electric isolator is connected with one end of the second resistance, the other end of the second resistance and the positive pole phase
Even；
The control module further includes current-limiting resistance, and the 4th end of second photoisolator is connected with the current-limiting resistance,
The current-limiting resistance other end is connected with the first output terminal of the transmitting coil.
9. a kind of Transient Electromagnetic Transmitter damps matching process, which is characterized in that applied to any one of such as claim 1 to 8 institute
The Transient Electromagnetic Transmitter damping coalignment stated, including：
The parameters of current transmitting coil are obtained, parameters and damping using each specification transmitting coil precomputed
The correspondence of resistance generates control signal corresponding with current transmitting coil, controls the Transient Electromagnetic Transmitter damping
With device, damping resistance corresponding with current transmitting coil is accessed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810048458.2A CN108254791A (en) | 2018-01-18 | 2018-01-18 | A kind of Transient Electromagnetic Transmitter damping coalignment and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810048458.2A CN108254791A (en) | 2018-01-18 | 2018-01-18 | A kind of Transient Electromagnetic Transmitter damping coalignment and method |
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| CN201810048458.2A Pending CN108254791A (en) | 2018-01-18 | 2018-01-18 | A kind of Transient Electromagnetic Transmitter damping coalignment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113037067A (en) * | 2021-03-04 | 2021-06-25 | 云锡红河资源有限责任公司 | Matching resistance calculation method of RCD absorption loop and transient electromagnetic transmitter |
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| US20030116601A1 (en) * | 2001-12-24 | 2003-06-26 | Chao-Cheng Lu | Impact enhancing device of an electric nailer |
| CN205039793U (en) * | 2015-10-12 | 2016-02-17 | 叶晓宁 | Electronic control board |
| CN205647291U (en) * | 2016-04-26 | 2016-10-12 | 吉林大学 | Transition electromagnetic emission machine current waveform shaping circuit |
| CN107017610A (en) * | 2017-05-11 | 2017-08-04 | 中国地质大学（武汉） | A kind of passive constant pressure clamper of Transient Electromagnetic Transmitter rapidly switches off circuit |
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| US20030116601A1 (en) * | 2001-12-24 | 2003-06-26 | Chao-Cheng Lu | Impact enhancing device of an electric nailer |
| CN205039793U (en) * | 2015-10-12 | 2016-02-17 | 叶晓宁 | Electronic control board |
| CN205647291U (en) * | 2016-04-26 | 2016-10-12 | 吉林大学 | Transition electromagnetic emission machine current waveform shaping circuit |
| CN107017610A (en) * | 2017-05-11 | 2017-08-04 | 中国地质大学（武汉） | A kind of passive constant pressure clamper of Transient Electromagnetic Transmitter rapidly switches off circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113037067A (en) * | 2021-03-04 | 2021-06-25 | 云锡红河资源有限责任公司 | Matching resistance calculation method of RCD absorption loop and transient electromagnetic transmitter |
| CN113037067B (en) * | 2021-03-04 | 2023-03-14 | 云锡红河资源有限责任公司 | Matching resistance calculation method of RCD absorption loop and transient electromagnetic transmitter |
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Application publication date: 20180706 |