CN202003036U - Mine transient electromagnetic instrument - Google Patents
Mine transient electromagnetic instrument Download PDFInfo
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- CN202003036U CN202003036U CN2011200619193U CN201120061919U CN202003036U CN 202003036 U CN202003036 U CN 202003036U CN 2011200619193 U CN2011200619193 U CN 2011200619193U CN 201120061919 U CN201120061919 U CN 201120061919U CN 202003036 U CN202003036 U CN 202003036U
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Abstract
The utility model discloses a mine transient electromagnetic instrument, which comprises a microprocessor, an internal control bus, a complicated programmable logic part, a real-time transmitting module, a real-time collecting module and a display module, wherein the microprocessor is electrically connected with the complicated programmable logic part through the internal control bus, the real-time transmitting module and the real-time collecting module are respectively and electrically connected with the complicated programmable logic part, and the display module is connected with the microprocessor. The 32-bit high-end embedded-type microprocessor (MCU) is communicated with the complicated programmable logic part (CPLD) through the bus, when the electromagnetic wave is transmitted, the electromagnetic wave of two types of real mining and empty mining are periodically transmitted, the electromagnetic waves of the two types are instantly collected to be sent to the microprocessor so as to be processed in difference operation, and under the situation of high-speed collection and high-speed operational processing, the collection data after the interference is filtered can be seamlessly obtained.
Description
Technical field
The utility model relates to mining geology detecting instrument field, relates in particular to a kind of mining Transient Electromagnetic Apparatus.
Background technology
Transient electromagnetic method also claims TDEM (Time domain electromagneticmethods), be called for short TEM, it is to utilize earth-free loop line or ground connection line source to underground emission pulsatile once magnetic field, at pulsatile once magnetic field tempus intercalare, utilizes the method in coil observation secondary vortices flow field.Its basic methods is: in ground or the aerial transmitting coil that passes to certain waveform electric current that is provided with, thereby produce an electromagnetic field at its surrounding space, and in underground conduction rock ore body, produce induction current: after the outage, induction current decay in time owing to thermal losses.Attenuation process generally is divided into early, in and late period.Early stage electromagnetic field is equivalent to the radio-frequency component in the frequency field, and decay is fast, and skin depth is little; Late period, composition then was equivalent to the low-frequency component in the frequency field, and decay is slow, and skin depth is big.By measuring the outage secondary field change with time of each time period of back, can obtain the ground electrical feature of different depth.
China's utility application number is: " 200920181682.5 ", name is called: disclose a kind of new type mining Transient Electromagnetic Apparatus in the patent application document of " new type mining Transient Electromagnetic Apparatus ", comprise not two of ground groups of direct supplys altogether, MCU, internal memory, USB interface, liquid crystal display circuit, optocoupler, radiating circuit, receiving circuit, transmitting coil and receiving coil, described receiving circuit, internal memory, liquid crystal display circuit, optocoupler, USB interface is connected with MCU respectively, wherein one group of direct supply is the MCU power supply, another group power supply is the radiating circuit power supply, optocoupler is used to isolate radiating circuit and receiving circuit, radiating circuit is connected with receiving coil with transmitting coil respectively with receiving circuit, described radiating circuit adopts the low-voltage current-limiting circuit, its emission voltage limit is in 9.6V, and transmitter current is controlled in the 1.5A.But this scheme directly adopts MCU to launch control and processing with acknowledge(ment) signal, and acquisition rate is not high, and to effectively not the handling of the random disturbance signal gathered, when serious interference, and normal value relatively.
The utility model content
The CPLD (CPLD) that the technical matters that the utility model mainly solves provides a kind of utilization and microprocessor (MCU) bus communication carries out the live signal emission and gathers, the mining Transient Electromagnetic Apparatus of raising acquisition rate.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of mining Transient Electromagnetic Apparatus is provided, comprise microprocessor, Internal Control Bus IBC, CPLD, real-time transmitter module, real-time acquisition module and display module, described microprocessor is electrically connected with CPLD by Internal Control Bus IBC, described real-time transmitter module, real-time acquisition module are electrically connected with CPLD respectively, and described display module is connected with microprocessor; Described real-time transmitter module comprises emission controlling unit and transmitting coil, and the input end of emission controlling unit connects CPLD, and the output terminal of emission controlling unit connects transmitting coil; Described real-time acquisition module comprises the acquisition controlling unit and gathers coil that the input end of acquisition controlling unit connects CPLD, the output terminal connection collection coil of acquisition controlling unit; Two kinds of electromagnetic waves of described real-time transmitter module gap periods emission, a kind of for adopting electromagnetic wave in fact, another kind is adopted electromagnetic wave for sky, described real-time acquisition module receives two kinds of electromagnetic wave signals of gap periods emission in real time and sends in the microprocessor by CPLD and handles, microprocessor carries out difference operation to two kinds of electromagnetic wave signals that receive, and draws operation result.
Wherein, described emission controlling unit comprises left half-bridge conducting control chip, right half-bridge conducting control chip, first field effect transistor, second field effect transistor, the 3rd field effect transistor and the 4th field effect transistor, first field effect transistor and second field effect transistor constitute left half-bridge structure, and the 3rd field effect transistor and the 4th field effect transistor constitute right half-bridge structure; Left side half-bridge conducting control chip comprises first control output end, second control output end, first Enable Pin and first control input end, first control input end and first enables control end and is connected respectively to CPLD, first control output end connects the grid of first field effect transistor, second control output end connects the grid of second field effect transistor, the source electrode of first field effect transistor connects high level, the grounded drain of second field effect transistor, the public point that the drain electrode of first field effect transistor is connected with the source electrode of second field effect transistor connects an end of transmitting coil; Right half-bridge conducting control chip comprises the 3rd control output end, the 4th control output end, second Enable Pin and second control input end, second control input end and second enables control end and is connected respectively to CPLD, the 3rd control output end connects the grid of the 3rd field effect transistor, the 4th control output end connects the grid of the 4th field effect transistor, the source electrode of the 3rd field effect transistor connects high level, the grounded drain of the 4th field effect transistor, the public point that the drain electrode of the 3rd field effect transistor is connected with the source electrode of the 4th field effect transistor connects the other end of transmitting coil.
Wherein, described electromagnetic instrument also comprises the touch-screen that is used for man-machine interaction, and described touch-screen is electrically connected with described microprocessor.
Wherein, described electromagnetic instrument also comprises the usb communication interface, and described usb communication interface is electrically connected with described microprocessor.
Wherein, described electromagnetic instrument also comprises the rechargeable battery pack that is used for moving power supply.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of transient electromagnetic signal processing method is provided, may further comprise the steps:
A. the transmitter module gap periods is launched two types electromagnetic wave in real time, and a kind of for adopting electromagnetic wave in fact, another kind is adopted electromagnetic wave for sky;
B. acquisition module receives two kinds of electromagnetic wave signals of gap periods emission in real time in real time, and sends into CPLD;
C. CPLD is sent in the microprocessor by Internal Control Bus IBC and is handled, and microprocessor carries out difference operation to two kinds of electromagnetic wave signals that receive, and draws operation result.
Wherein, in step a, the waveform that described reality is adopted in the electromagnetic one-period is a square-wave signal, and the waveform that described sky is adopted in the electromagnetic one-period is a silent signal.
Wherein, comprise also that after described step c microprocessor is carried out the operation result that difference operation obtains sends into the step that on-the site analysis software obtains the geological analysis figure by USB.
Wherein, described CPLD adopts MAX1270 high-speed figure response process chip.
Wherein, described microprocessor adopts high-end ARM2440 high-speed computation process chip.
The beneficial effects of the utility model are: be different from not high and effectively not the handling the random disturbance signal gathered of the mining Transient Electromagnetic Apparatus acquisition rate of prior art, when serious interference, be partial to the defective of normal value, microprocessor of the present utility model (MCU) passes through bus communication with CPLD (CPLD), when launching electromagnetic wave, the gap periods emission is real adopts and the empty electromagnetic wave of adopting two types, and gather this electromagnetic wave of two types in real time and send into microprocessor and carry out difference operation, under the situation that high speed acquisition and high-speed computation are handled, the seamless image data that obtains after the filtering interfering.
Description of drawings
Fig. 1 is the block diagram of the mining Transient Electromagnetic Apparatus embodiment of the utility model;
Fig. 2 is the real-time transmitter module circuit diagram of the mining Transient Electromagnetic Apparatus embodiment of the utility model;
Fig. 3 is the real-time acquisition time synoptic diagram of the mining Transient Electromagnetic Apparatus embodiment of the utility model;
Fig. 4 is the utility model transient electromagnetic signal processing method flow chart of steps;
Fig. 5 is that sequential chart is gathered in the transmitted waveform of the utility model transient electromagnetic signal processing method.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, the mining Transient Electromagnetic Apparatus of the utility model embodiment, comprise microprocessor 10, Internal Control Bus IBC 11, CPLD 12, real-time transmitter module 13, real-time acquisition module 14 and display module 15, described microprocessor 10 is electrically connected with CPLD 12 by Internal Control Bus IBC 11, described real-time transmitter module 13, real-time acquisition module 14 are electrically connected with CPLD 12 respectively, and described display module 15 is connected with microprocessor 10; Described real-time transmitter module 13 comprises emission controlling unit and transmitting coil, and the input end of emission controlling unit connects CPLD 12, and the output terminal of emission controlling unit connects transmitting coil; Described real-time acquisition module 14 comprises the acquisition controlling unit and gathers coil that the input end of acquisition controlling unit connects CPLD 12, the output terminal connection collection coil of acquisition controlling unit; Two kinds of electromagnetic waves of described real-time transmitter module gap periods emission, a kind of for adopting electromagnetic wave in fact, another kind is adopted electromagnetic wave for sky, described real-time acquisition module 14 receives two kinds of electromagnetic wave signals of gap periods emission in real time and sends in the microprocessor 10 by 12 of complicated programmable logic devices and handles, two kinds of electromagnetic wave signals that 10 pairs of microprocessors receive carry out difference operation, draw operation result.
Adopting electromagnetic wave in fact is square-wave signal, it is silent signal that sky is adopted electromagnetic wave, it is the composite signal that includes available signal and environmental interference noise signal in fact that the reality that real-time acquisition module collects is adopted electromagnetic wave signal, and in real time the sky that collects of acquisition module is adopted electromagnetic wave signal and is only comprised the environmental interference noise signal in fact, utilize microprocessor that two kinds of electromagnetic wave signals that receive are carried out difference operation so, can draw available signal.
Be different from not high and effectively not the handling of the mining Transient Electromagnetic Apparatus acquisition rate of prior art to the random disturbance signal gathered, when serious interference, be partial to the defective of normal value, microprocessor of the present utility model (MCU) passes through bus communication with CPLD (CPLD), when launching electromagnetic wave, the gap periods emission is real adopts and the empty electromagnetic wave of adopting two types, and gather this electromagnetic wave of two types in real time and send into microprocessor and carry out difference operation, under the situation that high speed acquisition and high-speed computation are handled, the seamless image data that obtains after the filtering interfering.
See also Fig. 2, described emission controlling unit comprises left half-bridge conducting control chip F1, right half-bridge conducting control chip F2, the first field effect transistor Q1, the second field effect transistor Q2, the 3rd field effect transistor Q3 and the 4th field effect transistor Q4, the first field effect transistor Q1 and the second field effect transistor Q2 constitute left half-bridge structure, and the 3rd field effect transistor Q3 and the 4th field effect transistor Q4 constitute right half-bridge structure; Left side half-bridge conducting control chip F1 comprises the first control output end HO, the second control output end LO, the first Enable Pin SD and the first control input end IN, the first control input end IN and first enables control end SD and is connected respectively to CPLD 12, the first control output end HO connects the grid of the first field effect transistor Q1, the second control output end LO connects the grid of the second field effect transistor Q2, the source electrode of the first field effect transistor Q1 connects high level, the grounded drain of the second field effect transistor Q2, the public point that the drain electrode of the first field effect transistor Q1 is connected with the source electrode of the second field effect transistor Q2 connects the end of transmitting coil WW2; Right half-bridge conducting control chip F2 comprises the 3rd control output end HO, the 4th control output end LO, the second Enable Pin SD and the second control input end IN, the second control input end IN and second enables control end SD and is connected respectively to CPLD 12, the 3rd control output end HO connects the grid of the 3rd field effect transistor Q3, the 4th control output end LO connects the grid of the 4th field effect transistor Q4, the source electrode of the 3rd field effect transistor Q3 connects high level, the grounded drain of the 4th field effect transistor Q4, the public point that the drain electrode of the 3rd field effect transistor Q3 is connected with the source electrode of the 4th field effect transistor Q4 connects the other end of transmitting coil WW2.
See also Fig. 2, VA connects 1 pin of chip F1, the ct1 signal comes from CPLD and connects 2 pin of F1, the FB signal also comes from CPLD and connects 3 pin of F1, DG connects 4 pin of chip F1, diode F12 and resistance R 12 also are unified into one two end branch road, the one end connects 5 pin of chip F1, the other end connects the grid of Q2, and 6 pin of chip F1 connect the VLGND end, and diode Fd1 and resistance R _ f 1 also are unified into one two end branch road, the one end connects 7 pin of chip F1, the other end connects the grid of Q1, and 8 pin of chip F1 connect the VLPOWER terminal, and connects the VLGND terminal by capacitor C u21.
See also Fig. 2, VA connects 1 pin of chip F2, the ct2 signal comes from CPLD and connects 2 pin of F2, the FA signal also comes from CPLD and connects 3 pin of F2, DG connects 4 pin of chip F1, diode F13 and resistance R 13 also are unified into one two end branch road, the one end connects 5 pin of chip F2, the other end connects the grid of Q3, and 6 pin of chip F2 connect the VRGND end, and diode F22 and resistance R _ f 2 also are unified into one two end branch road, the one end connects 7 pin of chip F2, the other end connects the grid of Q4, and 8 pin of chip F2 connect the VRPOWER terminal, and connects the VRGND terminal by capacitor C u31.
See also Fig. 2, implementation procedure of the present utility model comprises following step:
(1): left bridge upside and right bridge downside conducting (the transmitting coil forward gets)
Chip F1 takes place in control PWM, and tripod Enable Pin (SD) is a high level, and waveform output is with input crus secunda IN input, and control IN is input as high level, Q1 (mosfet) high level, and Q2 (mosfet) low level makes the conducting of left bridge upside.Chip F2 takes place in control PWM, and tripod Enable Pin (SD) is a high level, and waveform output is with input crus secunda IN input, and control IN is input as low level, Q3 (mosfet) low level, and Q4 (mosfet) high level makes the conducting of right bridge downside.Get at transmission frequency four/one-period internal emission line circle forward like this.
(2): left bridge upside and the not conducting of right bridge downside (collection of transmitting coil forward gap)
Transmitting coil is after transmission frequency four/one-period internal emission line circle forward gets electric finishing.Chip F1 takes place in control PWM, and tripod Enable Pin (SD) is a low level, makes Q1 (mosfet) low level, and Q2 (mosfet) low level makes the not conductings of left bridge upper and lower sides.Chip F2 takes place in control PWM, and tripod Enable Pin (SD) is a low level, makes Q3 (mosfet) low level, and Q4 (mosfet) low level makes the not conductings of right bridge upper and lower sides.Produce a four/one-period of transmission frequency like this, coil forward gap takes place, promptly receiving coil receives the secondary magnetic field electric signal that produces.Carry out the AD sampling by Fig. 3 mode, stipulate 40 center times, and collection point, center time both sides, gather each collection point shown in for example: center time T left side T4, T3, T2, T1 gather, time T right side, center T1 ', T2 ', T3 ', T4 ' gather, its one forward gap of time T, average out to center, back image data that adds up.
(3): left bridge downside and the conducting of right bridge upside (transmitting coil is reverse to be got)
Chip F1 takes place in control PWM, and tripod Enable Pin (SD) is a high level, and waveform output is with input crus secunda IN input, and control IN is input as low level, Q1 (mosfet) low level, and Q2 (mosfet) high level makes the conducting of left bridge downside.Chip F2 takes place in control PWM, and tripod Enable Pin (SD) is a high level, and waveform output is with input crus secunda IN input, and control IN is input as high level, Q3 (mosfet) high level, and Q4 (mosfet) low level makes the conducting of right bridge upside.Like this reverse getting of transmission frequency four/one-period internal emission line circle.
(4): left bridge upside and the not conducting of right bridge downside (collection of transmitting coil backlass)
Transmitting coil is after transmission frequency four/one-period internal emission line circle forward gets electric finishing.Chip F1 takes place in control PWM, and tripod Enable Pin (SD) is a low level, makes Q1 (mosfet) low level, and Q2 (mosfet) low level makes the not conductings of left bridge upper and lower sides.Chip F2 takes place in control PWM, and tripod Enable Pin (SD) is a low level, makes Q3 (mosfet) low level, and Q4 (mosfet) low level makes the not conductings of right bridge upper and lower sides.Produce a four/one-period of transmission frequency like this, coil forward gap takes place, promptly receiving coil receives the secondary magnetic field electric signal that produces.See also Fig. 4, return fixed acquisition method point to gather equally by (2) step, center time T left side T4, T3, T2, T1 gather, time T right side, center T1 ', T2 ', T3 ', T4 ' gather, and its average out to center, back time T that adds up is oppositely gathered gap data together.
See also Fig. 1, in one embodiment, described electromagnetic instrument also comprises the touch-screen 16 that is used for man-machine interaction, and described touch-screen 16 is electrically connected with described microprocessor 10.
See also Fig. 1, in one embodiment, described electromagnetic instrument also comprises usb communication interface 17, and described usb communication interface 17 is electrically connected with described microprocessor 10.
In one embodiment, described electromagnetic instrument also comprises the rechargeable battery pack 18 that is used for moving power supply.
See also Fig. 3, the transient electromagnetic signal processing method of the utility model embodiment may further comprise the steps:
A. the transmitter module gap periods is launched two types electromagnetic wave in real time, and a kind of for adopting electromagnetic wave in fact, another kind is adopted electromagnetic wave for sky;
B. acquisition module receives two kinds of electromagnetic wave signals of gap periods emission in real time in real time, and sends into CPLD;
C. CPLD is sent in the microprocessor by Internal Control Bus IBC and is handled, and microprocessor carries out difference operation to two kinds of electromagnetic wave signals that receive, and draws operation result.
See also Fig. 5, in one embodiment, in step a, the waveform that described reality is adopted in the electromagnetic one-period is a square-wave signal, and the waveform that described sky is adopted in the electromagnetic one-period is a silent signal.
In one embodiment, comprise also that after described step c microprocessor is carried out the operation result that difference operation obtains sends into the step that on-the site analysis software obtains the geological analysis figure by USB.
In one embodiment, described CPLD adopts MAX1270 high-speed figure response process chip.MAX1270CPLD gathers in real time, and MAX1270 is a high-speed figure response process chip, and its speed can reach 5ns response corresponding digital signal, in the high frequency acquisition system, corresponding single-chip microcomputer and other processor, its hardware structure is different, and it realizes seamless acquisition system.
In one embodiment, described microprocessor adopts high-end ARM2440 high-speed computation process chip.Use high-end arm processor, its model is arm2440, the high-speed computation processing power, and it remedies MAX1270CPLD, and high-speed computation accounts for resource, and software architecture is not easy inferior positions such as processing.Whole software and hardware architecture, its realization reaches seamless processing, and it has been realized at a high speed, has gathered high-speed computation order ground in real time.Gather the acquired signal with processing 500ns, 1us acquired signal before the contrast has had very much progress.
See also Fig. 5, the utility model adopts the integration window multi-point sampling at former Sampling Integral device, is averaged the method for output then.Early stage center window interval is less, and frequency acquisition is higher, and the center window interval increases gradually then, and sampling interval becomes comb.Repeatedly sampling in window region is according to formula
Vi is each sampled data in the same window, and n is each sampled point, obtains the standard deviation of window according to VI, and it is the deviation average scope
Each sampled value of each window is rejected deviation average by above-mentioned formula, removes interference at random, and remaining value adds up, and divided by its remaining number, it is the value of this window.Improved anti-interference ability like this.Repeatedly gather same measuring point data according to stacking fold, then according to formula
Vi is an end value sampled data (it counts sampled value for the road) in a window, and n obtains the standard deviation in each road for the sampling stacking fold according to VI, and it is the deviation average scope
Each sampled value of each road number is rejected deviation average by above-mentioned formula, removes interference at random, and remaining value adds up, and divided by its remaining number, it is the value of this road number.Improved anti-interference ability like this.
The utility model forward gap collection center time point image data deducts the forward sky and adopts gap collection center time point collection, backlass is gathered center time point and is deducted reverse sky and adopt the gap and gather center time point, after obtaining this twice deal with data, subtract each other mutually again.Mutual like this supporting removed the low frequency interference, also supports mutually and removed certain high frequency interference.Contrast does not have sky to adopt the gap, and its anti-interference improves greatly.
Advantage of the present utility model is: in conjunction with software and hardware technology, use high-end 32 arm processors, realize high-speed computation, use CPLD to gather in real time and emission in real time simultaneously, to surveying geology resistivity situation bigger progress is arranged.
The utlity model has following feature:
(1): man-machine interface constitutes, user's select transmit frequency and other seed ginseng number.
(2): ARM2440 sends to the CPLD1270 emission parameter and gathers the each point time.
(3): CPLD1270 is according to emission parameter, and control MOSFET is forward and reverse conduction and ending successively, needing to obtain transmitted waveform.
(4): CPLD1270 takes data in the time slot under transmission frequency.
(5): after emission and collection were finished, CPLD1270 used serial ports to transmit completion signal to ARM2440.
(6): ARM2440 obtains serial ports finish letter after, the control data bus obtains image data.
(7): ARM2440 shows image data, and preserves data etc.
(8): the user uses flash disk to obtain image data, uses on-the site analysis software to obtain the geological analysis figure.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. mining Transient Electromagnetic Apparatus, it is characterized in that: comprise microprocessor, Internal Control Bus IBC, CPLD, real-time transmitter module, real-time acquisition module and display module, described microprocessor is electrically connected with CPLD by Internal Control Bus IBC, described real-time transmitter module, real-time acquisition module are electrically connected with CPLD respectively, and described display module is connected with microprocessor;
Described real-time transmitter module comprises emission controlling unit and transmitting coil, and the input end of emission controlling unit connects CPLD, and the output terminal of emission controlling unit connects transmitting coil;
Described real-time acquisition module comprises the acquisition controlling unit and gathers coil that the input end of acquisition controlling unit connects CPLD, the output terminal connection collection coil of acquisition controlling unit.
2. mining Transient Electromagnetic Apparatus according to claim 1, it is characterized in that: described emission controlling unit comprises left half-bridge conducting control chip, right half-bridge conducting control chip, first field effect transistor, second field effect transistor, the 3rd field effect transistor and the 4th field effect transistor, first field effect transistor and second field effect transistor constitute left half-bridge structure, and the 3rd field effect transistor and the 4th field effect transistor constitute right half-bridge structure;
Left side half-bridge conducting control chip comprises first control output end, second control output end, first Enable Pin and first control input end, first control input end and first enables control end and is connected respectively to CPLD, first control output end connects the grid of first field effect transistor, second control output end connects the grid of second field effect transistor, the source electrode of first field effect transistor connects high level, the grounded drain of second field effect transistor, the public point that the drain electrode of first field effect transistor is connected with the source electrode of second field effect transistor connects an end of transmitting coil;
Right half-bridge conducting control chip comprises the 3rd control output end, the 4th control output end, second Enable Pin and second control input end, second control input end and second enables control end and is connected respectively to CPLD, the 3rd control output end connects the grid of the 3rd field effect transistor, the 4th control output end connects the grid of the 4th field effect transistor, the source electrode of the 3rd field effect transistor connects high level, the grounded drain of the 4th field effect transistor, the public point that the drain electrode of the 3rd field effect transistor is connected with the source electrode of the 4th field effect transistor connects the other end of transmitting coil.
3. mining Transient Electromagnetic Apparatus according to claim 2 is characterized in that: described electromagnetic instrument also comprises the touch-screen that is used for man-machine interaction, and described touch-screen is electrically connected with described microprocessor.
4. mining Transient Electromagnetic Apparatus according to claim 3 is characterized in that: described electromagnetic instrument comprises also and is used to derive the usb communication interface that described microprocessor carries out the operation result that difference operation obtains that described usb communication interface is electrically connected with described microprocessor.
5. mining Transient Electromagnetic Apparatus according to claim 4 is characterized in that: described electromagnetic instrument also comprises the rechargeable battery pack that is used for moving power supply.
6. mining Transient Electromagnetic Apparatus according to claim 5 is characterized in that, described CPLD adopts MAX1270 high-speed figure response process chip.
7. mining Transient Electromagnetic Apparatus according to claim 5 is characterized in that, described microprocessor adopts high-end ARM2440 high-speed computation process chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200619193U CN202003036U (en) | 2011-03-10 | 2011-03-10 | Mine transient electromagnetic instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200619193U CN202003036U (en) | 2011-03-10 | 2011-03-10 | Mine transient electromagnetic instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684713A (en) * | 2012-06-05 | 2012-09-19 | 北京工业大学 | Emitting machine of electromagnetic detection instrument and emitting method thereof |
| CN102681018A (en) * | 2011-03-10 | 2012-09-19 | 福州勘达源电子科技有限公司 | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method |
| CN102707321A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Receiving and collecting system and method for transient electromagnetic instrument |
| CN102707659A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Master control system of transient electromagnetic detecting instrument and use method of master control system |
-
2011
- 2011-03-10 CN CN2011200619193U patent/CN202003036U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681018A (en) * | 2011-03-10 | 2012-09-19 | 福州勘达源电子科技有限公司 | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method |
| CN102681018B (en) * | 2011-03-10 | 2015-04-22 | 福州勘达源电子科技有限公司 | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method |
| CN102684713A (en) * | 2012-06-05 | 2012-09-19 | 北京工业大学 | Emitting machine of electromagnetic detection instrument and emitting method thereof |
| CN102707321A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Receiving and collecting system and method for transient electromagnetic instrument |
| CN102707659A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Master control system of transient electromagnetic detecting instrument and use method of master control system |
| CN102684713B (en) * | 2012-06-05 | 2014-12-10 | 北京工业大学 | Emitting machine of electromagnetic detection instrument and emitting method thereof |
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