CN104635272B - Distributed high-density electrical method instrument - Google Patents
Distributed high-density electrical method instrument Download PDFInfo
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- CN104635272B CN104635272B CN201510091658.2A CN201510091658A CN104635272B CN 104635272 B CN104635272 B CN 104635272B CN 201510091658 A CN201510091658 A CN 201510091658A CN 104635272 B CN104635272 B CN 104635272B
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Abstract
The invention discloses a distributed high-density electrical method instrument. The distributed high-density electrical method instrument comprises a plurality of electrode converter cables which are connected in series, wherein each electrode converter cable is provided with a second electrode junction box and a plurality of first electrode junction boxes; the first electrode junction boxes and the second electrode junction box in the same electrode converter cable are connected in parallel; all the electrode converter cables are connected in series; a main unit is connected with a first joint of one of the cables through a connector to achieve communication with each electrode converter cable. Thus, a communication mode in the same electrode converter cable is a broadcast communication mode, so that fewer cable cores are needed, the size of each cable is reduced, and the cables are convenient to construct and transport; under the condition of more electrodes, encoding can be conveniently carried out in a relay communication mode. Through the combination of the broadcast communication mode and the relay communication mode, the problem of time delay caused by single relay communication can be solved, and the speed of electrode switching is increased.
Description
Technical field
The present invention relates to geophysical instrument technical field, more particularly to a kind of distributed high-density electric instrument
Device.
Background technology
The ultimate principle of high-density electric instrument, compared with traditional resistivity method, is in test many electrode arrangement
On line, each electrode is connected with receiving electrode with the emission electrode of main frame, by turning to emission electrode and receiving electrode automatically
The control of parallel operation, realizes the independent assortment between electrode, and cloth pole can obtain various ground electrical information so as to one time.
Current high-density electric instrument is mainly based on centralized, and centralized high-density electric instrument is each electricity
Pole is connected with electrode switch by bus cable, by host computer control, electrode switch realizes that electrode automatic conversion is controlled.This kind
Cable core number required for instrument is a lot, if 60 road electrodes, it is necessary to the cable of 60 cores, causes cable heavy, is not easy to
Construction and transport.When needing to expand the road number of electrode, the restriction of cable volume is often subject to.
As can be seen here, there is provided a kind of cable core number is less and can to connect more multielectrode high-density electric instrument be this
Art personnel's problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide a kind of distributed high-density electric instrument, for realizing the control to multiple electrodes,
So as to realize geological prospecting.
To solve above-mentioned technical problem, the present invention provides a kind of distributed high-density electric instrument, including main frame, its feature
It is also to include：The multiple electrodes transducer cable being connected in series,
The electrode converter cable is comprising cable and is spaced apart the multiple first electrode rosettees on the cable
With one have the first serial convertor second electrode rosette,
Wherein, the first end of the cable has the first union joint, and the second end is with matching with first union joint
The second union joint, each described first electrode rosette and the second electrode in the same electrode converter cable connect
Line box is parallel connection；
The main frame is connected by adapter the first union joint described with, and the second electrode rosette is arranged at institute
The second connector position is stated, first serial convertor is used to judge what the main frame sent when the second electrode rosette
The offset address that absolute address is included is more than the absolute address and order transmission for during its offset address sending the main frame
To connected electrode converter cable.
Preferably, the first electrode rosette is specifically included：
The second serial convertor being connected with serial communication line, the electrode conversion being located for the main frame and with which
Device cable carries out broadcast communication；
The switch buck device being connected with power line, for changing voltage；
Wherein, the switch buck utensil has the first outfan and the second outfan；
The first microcontroller being connected with the first outfan of second serial convertor and the switch buck device；
The relay being connected with the second outfan of the switch buck device；
Wherein, one end of 4 of relay switches respectively with electrodes of A, current electrode B, receiving electrode M and connect
Electrode N connections are received, the other end is connected with electrode；
The relay driver being connected with first microcontroller.
Preferably, the second electrode rosette is specifically included：Second serial convertor, the switch buck device,
First microcontroller, the relay, the relay driver and first serial convertor,
Wherein, first serial convertor is connected with first microcontroller and the switch buck device.
Preferably, the main frame is specifically included：
For producing the emitter of high voltage and constant current transmission signal, the emitter and high voltage power supply, electrodes of A and power supply
Electrode B connects；
For measuring the voltage signal of the current signal and acquisition receiving electrode M and receiving electrode N of the emitter
Receptor, the receptor are connected with the emitter, receiving electrode M and receiving electrode N；
For producing the auxiliary circuit of high-voltage DC power supply and serial communication signals；
For controlling the control circuit of the emitter, the receptor and the auxiliary circuit.
Preferably, the emitter is specifically included：
The full bridge driving circuit being connected with the control circuit；
The full-bridge circuit being connected with the full bridge driving circuit and the high voltage power supply；
The current sampling circuit being connected with the full-bridge circuit；
The over-voltage over-current protection circuit being connected with the full-bridge circuit.
Preferably, the receptor is specifically included：
Amplifying circuit is galvanically isolated with the current sampling circuit is connected；
The first low pass filter that amplifying circuit is connected is galvanically isolated with described；
The first power frequency notch filter being connected with first low pass filter；
The first A/D converter being connected with first power frequency notch filter；
The impedance matching circuit being connected with receiving electrode M and receiving electrode N；
The second low pass filter being connected with the impedance matching circuit；
The second power frequency notch filter being connected with second low pass filter；
The second A/D converter being connected with second power frequency notch filter.
Preferably, the auxiliary circuit is specifically included：
For the booster circuit of power supply, the booster circuit is connected with lithium battery；
For the signal that the control circuit sends to be converted to the 3rd serial convertor of serial communication signals；
For the electric power management circuit to the lithium battery monitoring management.
Preferably, the boosting scope of the booster circuit is：60V-150V.
Preferably, the control circuit is specifically included：
The second microcontroller being connected with the emitter, the receptor and the auxiliary circuit；
The USB interface being connected with second microcontroller；
The man-machine interface being connected with second microcontroller.
Preferably, the man-machine interface includes：Keyboard and display screen.
Distributed high-density electric instrument provided by the present invention, including the multiple electrodes transducer cable being connected in series,
Each electrode converter cable has a second electrode rosette and multiple first electrode rosettees, as same electrode turns
First electrode rosette and second electrode rosette in parallel operation cable is parallel connection, it can be seen that, in same electrode converter
Communication modes in cable are that the cable core number that therefore broadcast communication needs is less, so as to reduce the volume of cable, are easy to apply
Work and transport.Main frame is connected realization and each electrode converter cable by adapter with the first union joint of one of cable
Communication, as each electrode converter cable is to be connected in series, and judges what main frame sent in a upper second electrode rosette
When the offset address that absolute address is included is more than its offset address, absolute address main frame sent by the first serial convertor
Next electrode converter cable is transferred to order, it can be seen that, each electrode converter cable is communicated for relay, therefore when electricity
In the case of extremely more, in that context it may be convenient to encoded.Combine and can also improve by broadcast communication and relay communication modes
The latency issue that single relay communication brings, improves the speed of electrode switching.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention, accompanying drawing to be used needed for embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The structure chart of a kind of distributed high-density electric instrument that Fig. 1 is provided for the present invention；
A kind of structure chart of electrode converter cable that Fig. 2 is provided for the present invention；
A kind of structure chart of main frame that Fig. 3 is provided for the present invention；
The structure chart of another kind of main frame that Fig. 4 is provided for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, under the premise of creative work is not made, what is obtained is every other for those of ordinary skill in the art
Embodiment, belongs to the scope of the present invention.
The core of the present invention is to provide a kind of distributed high-density electric instrument.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
A kind of distributed high-density electric instrument, including main frame, also include：The multiple electrodes transducer electricity being connected in series
Cable.
The electrode converter cable is comprising cable and is spaced apart the multiple first electrode rosettees on the cable
With one have the first serial convertor second electrode rosette,
Wherein, the first end of the cable has the first union joint, and the second end is with matching with first union joint
The second union joint, each described first electrode rosette and the second electrode in the same electrode converter cable connect
Line box is parallel connection；
The main frame is connected by adapter the first union joint described with, and the second electrode rosette is arranged at institute
The second connector position is stated, first serial convertor is used to judge what the main frame sent when the second electrode rosette
The absolute address that the main frame sends is transferred to and which when the offset address that absolute address is included is more than its offset address
The electrode converter cable of connection；
Wherein, the communication modes in the same electrode converter cable are broadcast communication；The electricity being connected in series
Communication modes between the transducer cable of pole are communicated for relay.
The structure chart of a kind of distributed high-density electric instrument that Fig. 1 is provided for the present invention.Multiple electrodes transducer cable
Between 10 in the form of series connection.Each electrode converter cable 10 includes multiple first electrode rosettees 11 and one second
Electrode connection box 12, is connected by cable 13 between multiple first electrode rosettees 11 and second electrode rosette 12.Cable 13
First end have the first union joint 14, the second end have the second union joint 15.It is connected in series between electrode converter cable 10
Concrete form be：Connected by the first union joint 14 of second union joint 15 and latter cable 13 of previous cable 13,
After connecting in the above described manner, first union joint 14 of vacant (closest away from main frame 17) is connected with main frame 17 by adapter 16
Connect.
Second electrode rosette 12 has the first serial convertor 18, when main frame 17 passes through serial communication line sending signal
When, all first electrode rosettees 11 and second electrode rosette 12 of the electrode converter cable 10 closest with main frame 17
Receive signal simultaneously, that is, carry out broadcast communication.The signal transmission that main frame 17 can be sent by the first serial convertor 18 is to next
In individual electrode converter cable 10, that is, relay communication is carried out, then all first electrodes of next electrode converter cable 10 connect
Line box 11 and second electrode rosette 12 receive signal, i.e. relay communication simultaneously.Each first electrode rosette 11 and second is electric
Pole rosette 12 is all connected with electrode, carries out data collection task.
In order that those skilled in the art more understand that the work of the distributed high-density electric instrument of present invention offer is former
Reason, is given below specific working method.
In being embodied as, main frame and each first electrode rosette and each second electrode rosette have independent exhausted
To address.The absolute address is made up of relative address and offset address, and the absolute address that can arrange main frame is 0.Relative address
It is the address of the microcontroller being solidificated in before cable dispatches from the factory in electrode connection box, if 3 electrode converter cables, each electricity
Pole transducer cable has 10 electrode connection boxes, according to the labelling that puts in order, then in each electrode converter cable
The relative address of one electrode connection box (first electrode rosette) is 1, and the relative address of second electrode connection box is 2, according to
Secondary to analogize, the relative address of last electrode connection box (second electrode rosette) is 10.Offset address is according to each electricity
With main frame apart from dynamic coding, the offset address away from the closest electrode converter cable of main frame is 1 to pole transducer cable,
It is followed successively by 2 and 3.
The selection flow process of electrodes of A, current electrode B, receiving electrode M and receiving electrode N is that main frame is in the form of broadcasting
The absolute address of the electrode chosen needed for sending and order, first each electrode in the nearest electrode converter cable of main frame
Rosette determines whether the absolute address of connected electrode, if it is, the order is responded, control switching relay,
And send ending message.For all of first electrode rosette, if it is determined that not being the absolute address of each self-electrode, do not appoint
Where is managed, and for second electrode rosette, then needs to judge whether the offset address that absolute address is included turns more than the electrode
Offset address in parallel operation cable, if it is, transmitting the order toward next one electrode converter cable.The like, own
Electrode converter cable in first electrode rosette and second electrode rosette judge in the manner described above, to the last
One electrode converter cable.
As can be seen here, the distributed high-density electric instrument that the present invention is provided, is wide in same electrode converter cable
Communication modes are broadcast, the cable core number of needs is less, therefore reduce the volume of cable, be easy to construct and transport.By multiple electricity
The form of pole transducer cable series connection, realizes that relay is communicated, in the case that electrode is more, in that context it may be convenient to encoded.This
Outward, being combined by broadcast communication mode and relay communication modes can also improve the time delay that single relay communication brings and ask
Topic, improves the speed of electrode switching.
It should be noted that the coded system described in the present embodiment is intended merely to more clearly illustrate offer of the present invention
Distributed high-density electric instrument, do not represent coded system and only have this kind of.
As one kind preferred embodiment, the first electrode rosette is specifically included：
The second serial convertor being connected with serial communication line, the electrode conversion being located for the main frame and with which
Device cable carries out broadcast communication；
The switch buck device being connected with power line, for changing voltage；
Wherein, the switch buck utensil has the first outfan and the second outfan；
The first microcontroller being connected with the first outfan of second serial convertor and the switch buck device；
The relay being connected with the second outfan of the switch buck device；
Wherein, one end of 4 of relay switches respectively with electrodes of A, current electrode B, receiving electrode M and connect
Electrode N connections are received, the other end is connected with electrode；
The relay driver being connected with first microcontroller.
A kind of structure chart of electrode converter cable that Fig. 2 is provided for the present invention.As shown in Fig. 2 each first electrode connects
Line box 11 includes：Second serial convertor 20, switch buck device 21, the first microcontroller 22, relay driver 23 and after
4 switches of electrical equipment 24.Second serial convertor 20 is connected with serial communication line 25, and switch buck module 21 is connected with power line 26
Connect, 4 switches of relay 24 are connected with electrodes of A, current electrode B, receiving electrode M and receiving electrode N respectively, relay
24 4 switches are connected with electrode.
Wherein, the voltage on power line is changed by switch buck device 21, is the first microcontroller 22 and relay 24
Power supply.For example, the first outfan of switch buck device 21 can export 5V voltages, and the second outfan can export 3.3V voltages.
By serial communication line 25 and the second serial convertor 20, the first microcontroller 22 may determine that the absolute address that main frame sends
It is whether the absolute address (broadcast communication) on this p-wire, if it is, the switch of control relay 24 is switched over；If
The absolute address on this p-wire, then the first serial convertor 18 of second electrode rosette 12 by main frame send it is absolute
Address and order are transferred to connected electrode converter cable (relay communication).
As one kind preferred embodiment, the second electrode rosette is specifically included：Second serial convertor,
The switch buck device, first microcontroller, the relay, the relay driver and first serial conversion
Device,
Wherein, first serial convertor is connected with first microcontroller and the switch buck device.
As shown in Fig. 2 second electrode rosette 12 also includes the second serial conversion included such as first electrode rosette 11
4 switches of device 20, switch buck device 21, the first microcontroller 22, relay driver 23 and relay 24.With first electrode
Second electrode rosette 12 unlike rosette 11 also includes the first serial convertor 18.
Due to second electrode rosette 12 it is similar with the structure of first electrode rosette 11, simply many first serials
Transducer 18, specific description are referred to above.
As one kind preferred embodiment, the main frame is specifically included：
For producing the emitter of high voltage and constant current transmission signal, the emitter and high voltage power supply, electrodes of A and power supply
Electrode B connects；
For measuring the voltage signal of the current signal and acquisition receiving electrode M and receiving electrode N of the emitter
Receptor, the receptor are connected with the emitter, receiving electrode M and receiving electrode N；
For producing the auxiliary circuit of high-voltage DC power supply and serial communication signals；
For controlling the control circuit of the emitter, the receptor and the auxiliary circuit.
A kind of structure chart of main frame that Fig. 3 is provided for the present invention.As shown in figure 3, main frame 17 includes：Emitter 30, reception
Device 31, auxiliary circuit 32 and control circuit 33.Emitter 30 is connected with high voltage power supply 34, electrodes of A and current electrode B, will
The signal of telecommunication of the output of high voltage power supply 34 is converted to high voltage and constant current transmission signal.Receptor 31 and emitter 30, receiving electrode M and connect
Electrode N connections are received, the current signal of the emitter 30 for receiving is measured and is sent to control circuit 33, by receiving electrode
The voltage signal that M and receiving electrode N are received is sent to control circuit 33.Auxiliary circuit 32 is power supply core, by power line
26 power for each electrode connection box, and the signal that control circuit 33 sends can also be converted to serial communication letter by auxiliary circuit 32
Number and electrode converter cable is transferred to by serial communication line 25.Control circuit 33 is anti-according to receptor 31 and auxiliary circuit 32
The signal control transmitter 30 of feedback, receptor 31 and auxiliary circuit 32.
As one kind preferred embodiment, the emitter is specifically included：
The full bridge driving circuit being connected with the control circuit；
The full-bridge circuit being connected with the full bridge driving circuit and the high voltage power supply；
The current sampling circuit being connected with the full-bridge circuit；
The over-voltage over-current protection circuit being connected with the full-bridge circuit.
The structure chart of another kind of main frame that Fig. 4 is provided for the present invention.As shown in figure 4, emitter includes：Full bridge driving circuit
40th, full-bridge circuit 41, current sampling circuit 42, over-voltage over-current protection circuit 43.Full bridge driving circuit is connected with control circuit, root
Drive signal is provided according to the full-bridge circuit 41 that is controlled to of control circuit.Full-bridge circuit 41 and full bridge driving circuit 40 and high voltage power supply
34 connections, after full bridge driving circuit 40 provides drive signal, the signal of telecommunication that high voltage power supply 34 is exported by full-bridge circuit 41 is carried out
Conversion.Current sampling circuit 42 and current foldback circuit 43 are connected with full-bridge circuit 41, and current sampling circuit 42 is to full-bridge electricity
The signal of the output of road 41 is sampled, and current foldback circuit 43 carries out the detection of voltage and current to full-bridge circuit 41, if electric
Pressure or electric current exceed threshold value, then full-bridge circuit 41 is controlled.
As one kind preferred embodiment, the receptor is specifically included：
Amplifying circuit is galvanically isolated with the current sampling circuit is connected；
The first low pass filter that amplifying circuit is connected is galvanically isolated with described；
The first power frequency notch filter being connected with first low pass filter；
The first A/D converter being connected with first power frequency notch filter；
The impedance matching circuit being connected with receiving electrode M and receiving electrode N；
The second low pass filter being connected with the impedance matching circuit；
The second power frequency notch filter being connected with second low pass filter；
The second A/D converter being connected with second power frequency notch filter.
As shown in figure 4, receptor includes：It is galvanically isolated amplifying circuit 50, the first low pass filter 51, the first notch filter
Device 52, the first A/D converter 53, impedance matching circuit 54, the second low pass filter 55, the second power frequency notch filter 56 and the 2nd A/
D transducers 57.Wherein, it is galvanically isolated amplifying circuit 50 to be connected with current sampling circuit 42, passes sequentially through the first low pass filter
51st, the first power frequency notch filter 52, the first A/D converter 53 transmit sampled result into control circuit.Receiving electrode M and reception
The signal for receiving is passed sequentially through impedance matching circuit 54, the second low pass filter 55,56 and of the second power frequency notch filter by electrode N
Second A/D converter 57 is transmitted into control circuit.
As one kind preferred embodiment, the auxiliary circuit is specifically included：
For the booster circuit of power supply, the booster circuit is connected with lithium battery；
For the signal that the control circuit sends to be converted to the 3rd serial convertor of serial communication signals；
For the electric power management circuit to the lithium battery monitoring management.
As shown in figure 4, auxiliary circuit is specifically included：Booster circuit 60, the 3rd serial convertor 61 and electric power management circuit
62.Wherein, booster circuit 60 is connected with lithium battery 63, the voltage that lithium battery is exported is boosted, and by power line 26 is
Each electrode connection box is powered, by reducing loss of the electric energy on cable using booster circuit 60.3rd serial convertor
61 are communicated with control circuit, are communicated with each electrode connection box by serial communication line 25.Electric power management circuit 62 and lithium battery
63 connections, for management is monitored to the signal of telecommunication that lithium battery 63 is exported, for example, monitor current value, the electricity of the output of lithium battery 63
Pressure value etc..
As one kind preferred embodiment, the boosting scope of the booster circuit is：60V-150V.
The voltage that lithium battery 63 is exported is boosted by booster circuit 60, and is supplied for each electrode connection box by power line 26
Electricity, if boosting is excessive, the magnitude of voltage on cable is excessive, if boosting is too low, loss ratio of the electric energy on cable is larger,
Therefore the boosting scope that the present invention chooses is 60V-150V.
It should be noted that the boosting scope is a specific application scenarios, it can only be this model not represent
Enclose.
As one kind preferred embodiment, the control circuit is specifically included：
The second microcontroller being connected with the emitter, the receptor and the auxiliary circuit；
The USB interface being connected with second microcontroller；
The man-machine interface being connected with second microcontroller.
As shown in figure 3, control circuit includes：Second microcontroller 70, USB interface 71 and man-machine interface 72.Second micro-control
Device processed 70 is the control centre of main frame, for controlling to the conversion timing sequence of the first A/D converter 53 and the second A/D converter 57
System, is also controlled to the sequential of full-bridge circuit 41.USB interface 71 can be the USB pipes for coordinating the second microcontroller 70 to carry
Reason device, when main frame is connected with other computers, main frame directly can be carried out data transmission with computer as driving equipment is exempted from.
As one kind preferred embodiment, the man-machine interface includes：Keyboard and display screen.
Above distributed high-density electric instrument provided by the present invention is described in detail.Tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
Bright method and its core concept.It should be pointed out that for those skilled in the art, without departing from the present invention
On the premise of principle, some improvement and modification can also be carried out to the present invention, these improve and modification also falls into right of the present invention
In the protection domain of requirement.
Claims (9)
1. a kind of distributed high-density electric instrument, including main frame, it is characterised in that also include：The multiple electrodes being connected in series
Transducer cable,
The electrode converter cable is comprising cable and is spaced apart the multiple first electrode rosettees and on the cable
The individual second electrode rosette with the first serial convertor,
Wherein, the first end of the cable has the first union joint, and the second end is with the matched with first union joint
Two union joints, each described first electrode rosette and the second electrode rosette in the same electrode converter cable
For parallel connection；
The main frame is connected by adapter the first union joint described with, and the second electrode rosette is arranged at described
Two connector positions, first serial convertor are used to judge the absolute of the main frame transmission when the second electrode rosette
The offset address that address includes be more than its offset address when by the main frame send the absolute address and order be transferred to
The electrode converter cable of its connection；
The first electrode rosette is specifically included：
The second serial convertor being connected with serial communication line, the electrode converter electricity being located for the main frame and with which
Cable carries out broadcast communication；
The switch buck device being connected with power line, for changing voltage；
Wherein, the switch buck utensil has the first outfan and the second outfan；
The first microcontroller being connected with the first outfan of second serial convertor and the switch buck device；
The relay being connected with the second outfan of the switch buck device；
Wherein, one end of 4 switches of the relay is electric with electrodes of A, current electrode B, receiving electrode M and reception respectively
Pole N connects, and the other end is connected with electrode；
The relay driver being connected with first microcontroller.
2. distributed high-density electric instrument according to claim 1, it is characterised in that the second electrode rosette tool
Body includes：Second serial convertor, the switch buck device, first microcontroller, the relay, the relay
Device driver and first serial convertor,
Wherein, first serial convertor is connected with first microcontroller and the switch buck device.
3. distributed high-density electric instrument according to claim 1, it is characterised in that the main frame is specifically included：
For producing the emitter of high voltage and constant current transmission signal, the emitter and high voltage power supply, electrodes of A and current electrode
B connects；
For the reception of the current signal for measuring the emitter and the voltage signal for obtaining receiving electrode M and receiving electrode N
Device, the receptor are connected with the emitter, receiving electrode M and receiving electrode N；
For producing the auxiliary circuit of high-voltage DC power supply and serial communication signals；
For controlling the control circuit of the emitter, the receptor and the auxiliary circuit.
4. distributed high-density electric instrument according to claim 3, it is characterised in that the emitter is specifically included：
The full bridge driving circuit being connected with the control circuit；
The full-bridge circuit being connected with the full bridge driving circuit and the high voltage power supply；
The current sampling circuit being connected with the full-bridge circuit；
The over-voltage over-current protection circuit being connected with the full-bridge circuit.
5. distributed high-density electric instrument according to claim 3, it is characterised in that the receptor is specifically included：
Amplifying circuit is galvanically isolated with the current sampling circuit is connected；
The first low pass filter that amplifying circuit is connected is galvanically isolated with described；
The first power frequency notch filter being connected with first low pass filter；
The first A/D converter being connected with first power frequency notch filter；
The impedance matching circuit being connected with receiving electrode M and receiving electrode N；
The second low pass filter being connected with the impedance matching circuit；
The second power frequency notch filter being connected with second low pass filter；
The second A/D converter being connected with second power frequency notch filter.
6. distributed high-density electric instrument according to claim 3, it is characterised in that the auxiliary circuit is specifically wrapped
Include：
For the booster circuit of power supply, the booster circuit is connected with lithium battery；
For the signal that the control circuit sends to be converted to the 3rd serial convertor of serial communication signals；
For the electric power management circuit to the lithium battery monitoring management.
7. distributed high-density electric instrument according to claim 6, it is characterised in that the boosting model of the booster circuit
Enclose for：60V-150V.
8. distributed high-density electric instrument according to claim 3, it is characterised in that the control circuit is specifically wrapped
Include：
The second microcontroller being connected with the emitter, the receptor and the auxiliary circuit；
The USB interface being connected with second microcontroller；
The man-machine interface being connected with second microcontroller.
9. distributed high-density electric instrument according to claim 8, it is characterised in that the man-machine interface includes：Key
Disk and display screen.
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| CN201510091658.2A CN104635272B (en) | 2015-02-28 | 2015-02-28 | Distributed high-density electrical method instrument |
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| CN201510091658.2A CN104635272B (en) | 2015-02-28 | 2015-02-28 | Distributed high-density electrical method instrument |
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| CN104635272B true CN104635272B (en) | 2017-05-17 |
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| CN105093337B (en) * | 2015-07-09 | 2017-09-08 | 重庆地质仪器厂 | A kind of electrical simulation check device |
| CN106504493B (en) * | 2016-11-04 | 2022-05-10 | 珠海国勘仪器有限公司 | Distributed cable data transmission system for electrical prospecting |
| CN108227004B (en) * | 2018-01-03 | 2019-08-09 | 国科（重庆）仪器有限公司 | A kind of high density alternating current-direct current swashs electric system and its working method |
| CN108614300B (en) * | 2018-04-28 | 2020-12-29 | 黄河水利委员会黄河水利科学研究院 | Direct-current resistivity imaging equipment and distributed measuring station thereof |
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| CN1090936A (en) * | 1993-07-07 | 1994-08-17 | 地质矿产部机械电子研究所 | Distributed microcomputer-controlled multichannel electrode switching device |
| US7158048B2 (en) * | 2003-10-09 | 2007-01-02 | Scintrex Limited | Identically programmed intelligent electrodes for use in geoelectrical surveys |
| CN201314903Y (en) * | 2008-12-19 | 2009-09-23 | 天津录能泰矿用技术有限公司 | Three-dimensional high-density electrical method apparatus |
| CN201527481U (en) * | 2009-03-13 | 2010-07-14 | 吉林大学 | Enhanced type electrode conversion device of high-density electric-method instrument |
| CN201654249U (en) * | 2010-05-13 | 2010-11-24 | 北京华安奥特科技有限公司 | Electrode conversion equipment of high density electrcal instrument |
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| CN102520449B (en) * | 2011-12-21 | 2013-08-07 | 吉林大学 | Receiver device of high density electric method device |
| CN103543472B (en) * | 2013-09-30 | 2016-08-17 | 深圳市赛盈地脉技术有限公司 | Segmented-centralizehigh-density high-density electrical method measurement system and application thereof |
| CN104216022A (en) * | 2014-08-20 | 2014-12-17 | 中煤科工集团西安研究院有限公司 | Distributed parallel electrical method data collecting cable device |
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2015
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Address after: 400033 half street, Shapingba District, Chongqing, No. 2 Patentee after: Zhong di (Chongqing) Geological Instrument Co., Ltd. Address before: 400033 half street, Shapingba District, Chongqing, No. 2 Patentee before: Chongqing Geological Instrument Factory |