CN202204938U - Two-way communication type electrode conversion device of high-density electric device - Google Patents
Two-way communication type electrode conversion device of high-density electric device Download PDFInfo
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- CN202204938U CN202204938U CN 201120001104 CN201120001104U CN202204938U CN 202204938 U CN202204938 U CN 202204938U CN 201120001104 CN201120001104 CN 201120001104 CN 201120001104 U CN201120001104 U CN 201120001104U CN 202204938 U CN202204938 U CN 202204938U
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Abstract
The utility model relates to a two-way communication type electrode conversion device of a high-density electric device, which is applied to the field of exploration of physical geography high-density electric device. In the utility model, according to the basic principle of the high-density electric device, each electrode is connected with an electrode controller, a plurality of unit cables are connected to a main engine in series by a connector, and each unit cable is connected with a plurality of electrodes which are in mutual serial connection. In the utility model, the two-way signal transmission is realized, and the electrodes do not need manual number; when the long-distance measurement is conducted, only the main engine needs to be moved, and the electrodes do not need to be arranged again; and the unit cables can be connected flexibly and convenient to disassemble, and the novel distributed type electrode conversion device is more complete.
Description
Technical field
The utility model relates to a kind of distributed electrode conversion equipment of high-density electric instrument, relates in particular to a kind of two-way communication formula electrode conversion device that is used for the geophysical survey field.
Background technology
Traditional distributed electrode conversion equipment that is used for high-density electric instrument, by four independently electric wire connect electrodes of A, B and potential electrode M, N respectively; During measurement, need artificial traveling electrode to next measurement point, artificial demand is big when measuring like this, measures consuming time many.In order to improve efficiency of measurement, the someone has designed a kind of new-type electrode measurement device, promptly measures on the section at one and once arranges a plurality of electrodes, selects electrode by main frame and people through electrode converter.
Based on the high-density electric principle; Propose a kind of distributed electrode conversion equipment, promptly adopted a polycore cable, electrode is connected in series to cable according to certain spacing; Electrode connects does not have sequence limit, can select the number of poles of cable length and actual needs according to measuring distance.In theory, but the quantity infinite expanding of electrode, but in fact, the quantity of electrode receives the influence of factors such as working current, supply voltage and transmission range.
200910066635.0 patent " a kind of enhanced electrode conversion device of high-density electric instrument " has been introduced a kind of enhancement mode distributed electrode conversion equipment; Each electrode controller adopts series system interconnected; But number of electrodes is infinite expanding in principle; Its system can be automatically for each electrode controller distributes numbering, ability automatic fault detection and position thereof.Can see in accessory rights requirement and the accompanying drawing; Communications portion adopts serial line interface to carry out the substep transmission signals, and this makes signal transmission time elongated, along with the lengthening of transmission range; Signal dies down gradually and signal is produced certain interference, thereby has limited the quantity of high-density electric instrument connection electrode; In addition, only adopt linear power supply, quiescent current is big, and power consumption is big, to the length of arrangement wire of cable with survey measurement range certain restriction all arranged.From whole design, electrode connects time and effort consuming, the signal transmission is slow, detection time is long, measurement range is limited.
201020188300.4 patent " a kind of electrode conversion device of high-density electric instrument " has been introduced a kind of intelligent distributed electrode conversion device.Can find out that the buffer interface of each electrode controller directly links to each other with the order wire of cable in accessory rights requirement and the accompanying drawing, all electrode controllers can receive the order that main frame sends synchronously.Though the kind electrode conversion equipment has been realized the synchronous transmission of signal of communication, realized need not the distance that relaying can prolong the signal transmission, the transmission direction of signal is fixed, and main frame can only link to each other with a terminal adapter of electrode conversion device; During measurement, electrode conversion device along with moving of main frame, when especially measuring overlapping areas, need extract electrode, arranges again; This makes the dirigibility, intelligent relatively poor of this method, and the power that consumes again promptly consuming time does not fit into the measurement of long distance.
The utility model content
The purpose of the utility model just is to overcome the deficiency of above-mentioned prior art, especially proposes a kind of two-way communication formula electrode conversion device.
The technical scheme that the utility model adopts is:
A kind of electrode conversion device of high-density electric instrument, it comprises electrode controller, said electrode controller comprises bi-directional communication interface and processor, it is characterized in that:
The upstream data end TXDU of bi-directional communication interface is connected with the upstream data end RXDD of the TXDU of connector S end or adjacent bi-directional communication interface, and the upstream data end RXDD of bi-directional communication interface is connected with the upstream data end TXDU of the TXDU of connector P end or adjacent bi-directional communication interface; The downlink data end RXDU of bi-directional communication interface is connected with the downlink data end TXDD of the RXDU of connector S end or adjacent bi-directional communication interface, and the downlink data end TXDD of bi-directional communication interface is connected with the downlink data end RXDU of the RXDU of connector P end or adjacent bi-directional communication interface;
The RXD of processor end is connected with the RXD end of bi-directional communication interface, processor hold through DIR the side signal transmission of controlling bi-directional communication interface to; Be provided with two switches in the bi-directional communication interface, by the open and-shut mode of processor CS.
Further, said electrode conversion device comprises at least one unit cable, and said at least one unit cable is connected with a plurality of electrodes, and each electrode is provided with an electrode controller, and the electrode serial is connected to the unit cable, and electrode connects the out-of-order restriction; The communication signal line of bidirectional buffering interface stube cable, the signal of reception main frame or upper level bi-directional communication interface; Electrode conversion device is connected to main frame through connector S or P, connector and the restriction that does not receive communication direction being connected of main frame.
Again further, said electrode conversion device also comprises power module, the external working power of the input end of the Switching Power Supply of this power module, and the output terminal of Switching Power Supply links to each other with the input end of linear power supply, for electrode controller provides working power.
Again further; Said electrode controller also comprises driving circuit; Processor is connected to the control end of driving circuit; The signal of output terminal drives four relays respectively through the triode of overdriving, thereby makes among electrode connecting line A in the unit cable, electrode connecting line B, electrode connecting line M, the electrode connecting line N maximum one to link to each other with electrode G.
Compared with prior art, the advantage of the utility model with beneficial effect is: main frame and cable be connected the restriction that does not receive communication direction, but the transmitted in both directions signal, processor receives host signal synchronously, need not relaying can realize the signal long-distance transmission; Long range measurements only needs mobile host during especially to overlapping area measure, does not need to arrange again electrode; Signal transmits weak point consuming time, and antijamming capability is strong, and the electrode expansion is easy to connect, and is time saving and energy saving during measurement.
Description of drawings
Fig. 1 is the two-way communication formula electrode conversion device structural drawing of this practical a kind of high-density electric instrument;
Fig. 2 is the circuit block diagram of electrode conversion device among Fig. 1;
Fig. 3 is the power module circuitry figure of electrode conversion device among Fig. 1;
Fig. 4 is the bi-directional communication interface circuit diagram of electrode conversion device among Fig. 1;
Fig. 5 is the relay drive circuit figure of electrode conversion device among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Among Fig. 1, main frame is equipped with connector plug P and plug S, and the two ends of every root unit cable are connected to plug P and plug S respectively, and P, S are a pair of plug of 8 core connectors; Main frame links to each other with the connector plug S of the 8 core cables that have electrode controller through connector plug P; Perhaps main frame links to each other with the connector plug P of the 8 core cables that have electrode controller through connector plug S; Electrode controller is sent command signal, the answer signal that the receiving electrode controller returns.8 core cables are by connector plug P, the S of several (more than 8 or 8) unit cables through the two ends formation that interconnects; Restriction is not numbered in the connection of unit cable; Each unit cable connects a plurality of electrodes, and each electrode is furnished with an electrode controller, and is connected in series between the electrode.
Among Fig. 2, the command signal that main frame sends sends bi-directional communication interface circuit and MCU single-chip microcomputer to through the cable communication bus, is sent to relay drive circuit by single-chip microcomputer and drives order, accomplishes the driving of relay.
Among Fig. 3, one of two input end of Switching Power Supply MAX1837 connect+6V～24V power supply, and another meets GND; Output terminal links to each other with linear power supply TPS76950, and changing voltage is for electrode controller provides+5V and+3.3V working power.
Fig. 4 is the bi-directional communication modules of electrode conversion device, comprises processor MCU and bi-directional communication interface, and bi-directional communication interface is provided with two switches.In the present embodiment, MCU adopts low-power scm, and bi-directional communication interface is used the 74HC243 chip.The utility model is not confined to only use 74HC243, can use other NAND gate circuit yet.
Among Fig. 4, the bi-directional communication interface of electrode conversion device comprises two upstream data ends (being respectively TXDU and RXDD), two downlink data ends (being respectively RXDU and TXDD) and two switch A, B.Wherein, The upstream data end TXDU of bi-directional communication interface is connected with the TXDU line of connector S or the RXDD of adjacent bi-directional communication interface; The upstream data end RXDD of bi-directional communication interface is connected with the TXDU line of connector P or the TXDU of adjacent bi-directional communication interface, the transmission of the signal that completion main frame (or higher level's bi-directional communication interface) sends; The downlink data end RXDU of bi-directional communication interface is connected with the downlink data end TXDD of the RXDU line of connector S or adjacent bi-directional communication interface; The downlink data end TXDD of bi-directional communication interface is connected with the downlink data end RXDU of the RXDU line of connector P or adjacent bi-directional communication interface, accomplishes the transmission of answer signal.Simultaneously, the data terminal RXD of MCU links to each other with the RXD of bi-directional communication interface end, receives the signal that main frame or higher level's bi-directional communication interface are sent; The data terminal TXD of MCU links to each other with the TXD of bi-directional communication interface end, sends feedback signal to main frame, and MCU comes the open and close state of CS A and B through the transmission direction of control end DIR control signal according to the transmission direction of signal.
Among Fig. 4, main frame is through the TXDU alignment electrode controller transmission signals of cable.At first, confirm side signal transmission to.Specific embodiments is: after (1) main frame powers on,, send instruction through DIR end to 74HC243 by MCU for MCU provides 5V WV, the side signal transmission of control 74HC243 to, all switches of this process all are in closure state; After main frame sends signal, receive signal, begin to judge the transmission direction of signal by the bi-directional communication interface nearest apart from main frame; After confirming the transmission direction of signal, the output signal of 74HC243 is passed to MCU and next stage bi-directional communication interface simultaneously; MCU transmits answer signal through TXD end to main frame, after the next stage bi-directional communication interface receives the upper level transmission signals, judge side signal transmission to, up to all electrode controllers all confirmed side signal transmission to; (2) main frame sending controling instruction, by MCU according to the transmission direction CS A of signal, the on off state of B.When signal is held to the transmission of RXDD end by TXDU, cut-off switch B, maintained switch A is closed; Signal is passed when TXDU holds by the RXDD end, cut-off switch A, and maintained switch B is closed.
Secondly, distribute the address for electrode controller.Specific embodiments is: (1) main frame sends address signal, by the MCU reception of first electrode controller, is that first electrode controller distributes the address; Simultaneously; The switch of closed first bi-directional communication interface after electrode controller has the address, no longer receives other address signal; (2) main frame resends address signal; Signal is received by the MCU of second electrode controller; Be that second electrode controller distributes the address, then, the switch of closed second bi-directional communication interface; To next stage electrode controller transmission signals, till the address assignment of accomplishing all electrode controllers.
At last, accomplish the electrode conversion.Embodiment is: main frame sends control command signal, and all MCU receive.If instruction sends to N electrode controller; Then the MCU of N electrode controller sends an answer signal through bi-directional communication interface to main frame by the TXD end; And pass through Y1, Y2, Y3, these four pins of Y4 to Fig. 5 relay drive circuit transmission drive signal; Drive a relay conducting in the relay group, among the electrode connecting line A, electrode connecting line B, electrode connecting line M, electrode connecting line N of cable one is connected with electrode G; Other MCU does not carry out any action.
Fig. 5 is the relay drive circuit figure of electrode conversion device, and present embodiment adopts the NUD3105 chip.The utility model is not confined to only use NUD3105 chip drives relay, can use other special purpose relay chip for driving yet.The drive signal of Fig. 4 single-chip microcomputer drives K1, K2, K3, these four relays of K4 respectively via four NUD3105, makes A, B, M, N one of 8 core cables be connected with electrode G.
During the measurement overlap area territory, do not need to arrange again electrode, only need the position of mobile host; With the other end of main frame stube cable, with main frame be connected with cable finish after, send instruction by main frame, confirm the signal communication direction of device earlier, communicate test then, if there is fault then to quote abort situation, artificial correct; Errorless as if connecting everywhere, after all electrode controller operate as normal, send the numbering instruction by main frame, be followed successively by each electrode controller and distribute address, after each electrode controller all has the address, the entering detection phase.
Should be noted that; The above disclosed a kind of preferred embodiment that is merely the utility model; Certainly can not limit the interest field of the utility model with this; Under the prerequisite that does not break away from the utility model principle, those skilled in the art can also make some improvement and retouching, and these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (4)
1. the two-way communication formula electrode conversion device of a high-density electric instrument, it comprises electrode controller, said electrode controller comprises bi-directional communication interface and processor, it is characterized in that:
The upstream data end TXDU of bi-directional communication interface is connected with the upstream data end RXDD of the TXDU of connector S end or adjacent bi-directional communication interface, and the upstream data end RXDD of bi-directional communication interface is connected with the upstream data end TXDU of the TXDU of connector P end or adjacent bi-directional communication interface; The downlink data end RXDU of bi-directional communication interface is connected with the downlink data end TXDD of the RXDU of connector S end or adjacent bi-directional communication interface, and the downlink data end TXDD of bi-directional communication interface is connected with the downlink data end RXDU of the RXDU of connector P end or adjacent bi-directional communication interface;
The RXD of processor end is connected with the RXD end of bi-directional communication interface, processor hold through DIR the side signal transmission of controlling bi-directional communication interface to; Be provided with two switches in the bi-directional communication interface, by the open and-shut mode of processor CS.
2. electrode conversion device as claimed in claim 1; It is characterized in that said electrode conversion device comprises at least one unit cable, said at least one unit cable is connected with a plurality of electrodes; Each electrode is provided with an electrode controller, and the electrode serial is connected to the unit cable; The communication signal line of bidirectional buffering interface stube cable, the signal of reception main frame or upper level bi-directional communication interface; Electrode conversion device is connected to main frame through connector S or connector P.
3. electrode conversion device as claimed in claim 2; It is characterized in that; Said electrode conversion device also comprises power module; The external working power of the input end of the Switching Power Supply of this power module, the output terminal of Switching Power Supply links to each other with the input end of linear power supply, for electrode controller provides working power.
4. electrode conversion device as claimed in claim 3; It is characterized in that; Said electrode controller also comprises driving circuit; Processor is connected to the control end of driving circuit, and the signal of output terminal drives four relays respectively through the triode of overdriving, thereby makes among electrode connecting line A in the unit cable, electrode connecting line B, electrode connecting line M, the electrode connecting line N maximum one to link to each other with electrode G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120001104 CN202204938U (en) | 2011-01-05 | 2011-01-05 | Two-way communication type electrode conversion device of high-density electric device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120001104 CN202204938U (en) | 2011-01-05 | 2011-01-05 | Two-way communication type electrode conversion device of high-density electric device |
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| CN202204938U true CN202204938U (en) | 2012-04-25 |
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| CN 201120001104 Expired - Lifetime CN202204938U (en) | 2011-01-05 | 2011-01-05 | Two-way communication type electrode conversion device of high-density electric device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543472A (en) * | 2013-09-30 | 2014-01-29 | 深圳市钡盛机电设备有限公司 | Segmented-centralized-type high-density electrical method measurement system and application thereof |
| CN103825787A (en) * | 2013-12-30 | 2014-05-28 | 中国科学院电子学研究所 | Wired cascade type electromagnetic data acquisition system and measuring method thereof |
| WO2015043320A1 (en) * | 2013-09-30 | 2015-04-02 | 深圳市钡盛机电设备有限公司 | Multifunctional two-way high-density cable and application thereof |
| CN104635272A (en) * | 2015-02-28 | 2015-05-20 | 重庆地质仪器厂 | Distributed high-density electrical method instrument |
| CN104656146A (en) * | 2015-02-09 | 2015-05-27 | 河海大学 | Intelligent cable for high density electrical measurement system and measurement method |
| CN106504493A (en) * | 2016-11-04 | 2017-03-15 | 珠海国勘仪器有限公司 | A kind of electrical prospecting distribution cable data transmission system |
-
2011
- 2011-01-05 CN CN 201120001104 patent/CN202204938U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543472A (en) * | 2013-09-30 | 2014-01-29 | 深圳市钡盛机电设备有限公司 | Segmented-centralized-type high-density electrical method measurement system and application thereof |
| WO2015043314A1 (en) * | 2013-09-30 | 2015-04-02 | 深圳市钡盛机电设备有限公司 | Segmented-centralized-type high-density electrical method measurement system and application thereof |
| WO2015043320A1 (en) * | 2013-09-30 | 2015-04-02 | 深圳市钡盛机电设备有限公司 | Multifunctional two-way high-density cable and application thereof |
| 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 |
| CN103825787A (en) * | 2013-12-30 | 2014-05-28 | 中国科学院电子学研究所 | Wired cascade type electromagnetic data acquisition system and measuring method thereof |
| CN103825787B (en) * | 2013-12-30 | 2017-04-12 | 中国科学院电子学研究所 | Wired cascade type electromagnetic data acquisition system and measuring method thereof |
| CN104656146A (en) * | 2015-02-09 | 2015-05-27 | 河海大学 | Intelligent cable for high density electrical measurement system and measurement method |
| CN104635272A (en) * | 2015-02-28 | 2015-05-20 | 重庆地质仪器厂 | Distributed high-density electrical method instrument |
| CN106504493A (en) * | 2016-11-04 | 2017-03-15 | 珠海国勘仪器有限公司 | A kind of electrical prospecting distribution cable data transmission system |
| 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 |
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Granted publication date: 20120425 |