CN1027606C - Microcomputer controlled multiple-way electrode switching device - Google Patents
Microcomputer controlled multiple-way electrode switching device Download PDFInfo
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- CN1027606C CN1027606C CN 92113521 CN92113521A CN1027606C CN 1027606 C CN1027606 C CN 1027606C CN 92113521 CN92113521 CN 92113521 CN 92113521 A CN92113521 A CN 92113521A CN 1027606 C CN1027606 C CN 1027606C
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Abstract
The present invention relates to a microcomputer controlled multichannel electrode converter which is a special device for geophysical electrical prospecting. A single chip microcomputer which is used as main control can deliver program control codes to drive a rear control electronic switch block; 60 electrodes are converted to power supply cables A. B. and measurement cables M. N. of a host machine of an electric logging device according to six working modes; data can collected by matching automatic conversion pole distances (with a pole distance coefficient N=1 to 16) with the electric logging host machine; displays of working conditions and automatic alarms are arranged on a panel. The problems, such as high difficulty of mechanical process, easy abrasion of components, requirements for manual bolt positioning at the time of altering the pole distance coefficient, no fault detection, etc., of the old converter are solved; with improved work efficiency, the present invention can be applied to geophysical exploration technologies.
Description
The present invention relates to a kind of microcomputer-controlled multichannel electrode switching device, is the high density electric probe device, resistivity prospecting specialized equipment in the ball physical prospecting of possession.
When carrying out the high density mensuration at present, abroad generally all be to adopt manually-operated, or peg graft, or transfer with waver and to finish the conversion of transmitting electrode and potential electrode, easily bring misoperation also to be difficult to raise the efficiency with banana plug; The multi-electrode converter of domestic employing is a kind of electromechanical structure device, stepper motor moves under the programmed control of electric pilot main frame, motor shaft drives the copper contact that 4 main contacts move and 60 link with external electrode and transfers mutually, realizes the conversion of transmitting electrode and potential electrode.Be subjected to the restriction of its structural principle, have mechanical processing technique difficulty height, material quality requirement is tight, the problem such as loosening of the wearing and tearing of mechanical component and securing member; Mode of operation is also restricted, such as not carrying out bathymetry to the reverse conversion of extending in both sides simultaneously owing to can't realize electrode; Also need artificial latch to reorientate during the electrode distance coefficient change, easily cause the human operational error, exploration speed and work efficiency are also influenced; And can't realize self fault detect and warning function.
The objective of the invention is to avoid above-mentioned weak point of the prior art, and provide a kind of novel traffic pilot, do master control with single chip microcomputer, send program coding, control the electronic switch set of forming by relay or power analog switch through decoder driver circuit, satisfy the needs of high-density resistivity measuring method, improved work efficiency, and can carry out the fault detect and warning of self.
This converter is made up of chip microprocessor system control cpu, logic control interface circuit, passage decoder driver circuit and 60 electronic switch set.One of major technique feature is: adopt single chip microcomputer to do the master control parts, the selection of mode of operation and various parameters is by " mode of operation selector switch " on the panel, and " electrode distance coefficient thumbwheel switch " set.By tie cable, take response mode to get in touch with between this converter and the electric pilot main frame, guarantee synchro control each other, realized that passage switches and the automatic control of data acquisition.Converter control 60 path electrodes under chip microprocessor management switch and the safety detection and the fault alarm of total system in turn.And the system acting overall process all has demonstration intuitively on panel.Various mode of operations and operating function all are solidificated in the EPROM program storage, select according to mode that is preset on the panel and parameter, and system automatically performs corresponding program.Whenever carry out the one-time electrode switching motion during measurement, CPU will send one group of program control coding, obtain 240 state control signals through logic control interface circuit and decoder driver circuit with driving energy, in 60 electronic switch set totally 240 electronic switches just follow procedure require to be switched on or switched off respectively, make 4 in 60 potential electrode to be switched on service cable A.B. and the measurement cable M.N., and other electrodes are in off-state entirely.
This converter has 6 kinds of mode of operations, waits pole span depth measurement pattern, logarithm pole span depth measurement pattern, winner four utmost point patterns, dipole one dipole modes, The Pattern of Differential, composite profile pattern that is:.Especially two kinds of depth measurement patterns can obtain necessary depth sounding data when solving the profile survey problem in the engineering survey, but the electrode conversion are very special, electrode oppositely need be extended to both sides simultaneously, and the converter of physical construction formula can't be realized in the past.The selection of mode of operation is set by mode selection switch on the panel.CPU reads in this setting and judgement by the mode of operation input circuit, jumps to corresponding program segment again and goes to carry out conversion.
Two of principal character of the present invention is: electronic switch set adopts small-sized DC sealed relay or the power analog switch can parts as holding of electrode conversion, each switches set has comprised 4 relays or 4 power analog switches, the input end of each switches set is received on the electrode, and output terminal has 4, be suspended to respectively on four buses of A.B.M.N., each switches set also has a signal input end in addition, thereby the specific coding that can both send here according to CPU in each when conversion step of each switches set, make and corresponding electrode or disconnection or receive one of them of A.B.M.N four buses to have realized that the switch under the various mode of operations connects array.
The disconnected selection of pole span system is set by " electrode distance coefficient thumbwheel switch " on the panel, and CPU reads in this setting by " electrode distance coefficient input circuit ".So-called electrode distance coefficient then is a factor (representing with N) of determining the pole span gap size, such as, be the distance that minimum pole span equals adjacent two electrodes during N=1, during N=2, pole span is the twice of N=1, and the like.
When decoder driver circuit provides switching drive signal, give the indicator signal that is switched on electrode, make that by the indication driving circuit light emitting diode of respective electrode on the panel number is glittering.
This machine includes monitor supervisor, the fault detection program of complete machine hardware, the electrode converse routine of 6 kinds of patterns.Under winner four utmost point modes, four its orderings of electrode of being connected are: " A.M.N.B ", electrode gap is a N pole span, each electrode of per step moves a pole span in the same way.Under the dipole one dipole mode, the electrode ordering is: " A.B.M.N. "; The ordering of differential mode electrode is " A.M.B.N "; Composite profile mode electrode ordering is " A.M.N...B " or " A....M.N.B ", (B. or A. are fixed in infinity point promptly greater than the distant place of three times of 60 electrode survey line length overalls).When above-mentioned each mode, revolution were changed a step, electrode all was mobile in the same way.Deng pole span depth measurement mode and logarithm pole span depth measurement mode, measure center since 60 electrodes, the electrode ordering is " A.M.N.B. ", per step with A.M. and N.B. respectively to both sides with etc. pole span or logarithmic relationship draw back.In a word, each conversion can only be switched to 4 electrodes in 60 electrodes respectively four common bus input ends of A.B.M.N in every kind of pattern, each electrode has 4 kinds of possible on-states, CPU must provide 240 Mode Control Codes in step conversion, for each given N value, the single pass measurement of finishing 60 electrodes needs to do (60-3 * N) step electrode conversion, N=1 transforms to the N=16 microcomputer need provide ∑ (the individual control code of 60-3 * N) position, 6 kinds of mode of operations provide 794880 control code positions altogether.
The advantage of this converter, effect and purposes:
1. holding of electrode conversion can be adopted small-sized DC sealed relay group or power analog switch group by parts, makes the converter operating rate improve, and per step is changed actuation time less than 10 milliseconds, and the contact conducting resistance is little, does not have mechanical wear problem, and the complete machine process structure is simplified.
2. this converter adopts chip microprocessor to do master control, the conversion rule that can adapt to multiple mode of operation has increased the potentiality that systemic-function is expanded, and can carry out system failure detection and warning again, safe and reliable, adapted to the needs that the geophysical survey measuring method develops.This equipment is applied to the geophysical exploration technology field.
The drawing explanation of accompanying drawing:
Fig. 1. microcomputer-controlled multichannel electrode switching device panel synoptic diagram.
Fig. 2. this converter system structural principle block diagram.
Fig. 3. this converter electric measuring system field construction connects synoptic diagram.
Fig. 4. electrode and cable connection part enlarged drawing.
Concrete structure of the present invention is further described in conjunction with the accompanying drawings by following examples.
See Fig. 1. shown in traffic pilot panel synoptic diagram.Among the figure, (1) (2) (3) (4) (5) are the cable conntecting plug seat, and every cable has 12 heart yearns to join with external electrode respectively.They are correspondence 0～11 respectively; 12～23; 24～35; 36～47; 48～No. 59 electrodes are totally five edge connectoies, and each electrode has band crocodile clip short-term and cable to link.Forming the survey line that 60 electrodes are arranged arranges.(6) for control signal connects edge connector, (7) are the MN on line, and (8) are AB on line (these 3 cables all link with the electrical measurement main frame).CPU provides system's error detecting code, by alarm detection indicating circuit (33), check service cable and measure between cable whether short circuit, as there are a short trouble, the alarm lamp on the panel (9), (10), (11), just glittering warning the, and system program stops automatically waiting for that the operator checks and fixes a breakdown.(12) be the localpower switch.(13) be 60 road electrode coupled situation pilot lamp (0 road is to 59 roads).(14) for thumbwheel switch with the electrode distance coefficient that elects (N=1～16).(15) have 7 positions for the mode of operation selector switch: first gear is idle standby shelves, is followed successively by: pole span depth measurements such as depth measurement 1(), the depth measurement of depth measurement 2(logarithm pole span), winner four utmost points, dipole-dipole, differential, composite profile.The setting of mode of operation selector switch (15) needs to decide on method of exploration.(16) be the reset button switch, as the reset usefulness of (system initialization) of complete machine.
Line construction of the present invention is seen Fig. 2. shown in system principle diagram.Top (17) is system's panel plug and external electrode wiring.(18) be electronic switch set.It is subjected to the control of Control System of Microcomputer and interface circuit (20)～(27) and moves, and every switches set comprises four switches, respectively electrodes of A .B. of UNICOM and potential electrode M.N..Electronic switch set printed-wiring board (PWB) coated alkyd baking insulating varnish.(20) be the block decoding driving circuit of each road switch.(19) be that electrode is by the indicating circuit of gating, so that the operator intuitively observably monitors the carrying out of electrical measurement work on panel.(21) be logic control interface circuit.(22) be data, address, control three buses of microsystem.(23) be the mode of operation input circuit.(24) be electrode distance coefficient (N) input circuit.When N=00, be full pole span autoscan and measure (N successively=1,2,3 ... up to 16, the Automatic Cycle conversion); If the electrode conversion is then only carried out by this given pole span at interval in 0＜N≤16; If N＞16 are then made other specific functions and are handled.(25) be random access memory ram.(26) be that microcomputer central authorities handle single no CPU.(27) be program storage EPROM, solidifying function programs such as monitoring, detection and measurement.(28) be the interface circuit of getting in touch with the electrical measurement main frame.CPU sends " just at transfer electron " and " the electrode conversion finishes " signal by host interface circuit (28) to the electric pilot main frame, CPU reads in " gathering " and " collection finishes " signal that electric pilot is sent here from this interface circuit again, normal synchronized relation (29), (30), (31), (32) that reach total system " electrode conversion " and " data acquisition " action are and host A .B. service cable plug that M.M. measures the plug that cable plug connects.Promptly confess electric current, send into certain a pair of selected electrode, then M.N. incoming line and corresponding potential electrode are linked, carry out data acquisition by the A.B. two ends from main frame.(33) be the alarm detection indicating circuit.
System when adopting electric measuring system of the present invention actual measurement in the open air connects synoptic diagram and sees Fig. 3 Fig. 4.Totally three of tie cables between this converter (44) and the electric pilot main frame (45): AB cable (46); MN cable (47); Umbilical cable (48).The tie cable (34) that connects 60 electrodes has five (100 meters every) taps at regular intervals, and tap has bare metal thing (39) so that link with electrode (43) at cable surface.Welded a short lead (42) on the electrode, the short lead other end has blade of a sword fish folder (41), can partly vise with the exposed metal/bare metal of cable tap, and the cable other end is a plug.Instrument is put in (3) line middle section position, and (3) line directly links to each other with this converter; (1) line links to each other with converter by yellow elongated line (35); (2) line links to each other with converter by white elongated line (36); (4) line links to each other with converter by green elongated line (37); (5) line links to each other with converter by red elongated line (38).
When a certain measurement section once connects up can not cover the time, just need to prolong survey line, extending direction is as Fig. 3. and extend to (5) line direction shown in the middle arrow (49), that is: instrument moves to (4) line middle section position, former (1) line moves to former (5) line right side, and extension successively continues.Then former (2) line is new (1) line, and former (4) line is new (3) line, and former (5) line is new (4) line, and former (1) line is new (5) line.Ditto described, again elongated line is connect yellow elongated line with new (1) line successively, (2) line connects white elongated line, and (4) line connects green elongated line, and (5) line connects red elongated line (→＞-expression extended line junction).
During work, look the method for exploration requirement, select metering system, and cooperate thumbwheel switch, determine the pole span conversion coefficient, by reset key, just can start this converter and organize work then by the mode of operation switch.Various metering systems all can be observed intuitively on the display of panel and measure overall process.
This converter has self-checking function, in case break down and dangerous situation, when short circuit (as: slotted line and supply lines mutually), system just can report to the police automatically, and complete machine work is interrupted immediately, and whole input and output are hung, with the safeguards system work safety.
Claims (6)
1, microcomputer-controlled multichannel electrode switching device is the high density electric probe device, resistivity prospecting specialized equipment in the ball physical prospecting of possession; Form by chip microprocessor system control cpu, logic control interface circuit, electrode sequence number decoder driver circuit and 60 electronic switch set; It is characterized in that:
A. adopt single chip microcomputer to make the master control parts, various mode of operations and operating function all are solidificated among the program storage EPROM (27), the selection of mode of operation and various parameters is by " mode of operation selector switch " on the panel, and " electrode distance coefficient thumbwheel switch " set; Whenever carry out the one-time electrode switching motion in the measurement, CPU sends one group of program control coding, through logic control interface circuit (21) and decoder driver circuit (20), obtain 240 and have the state control signal that drives energy, in 60 electronic switch set (18) totally 240 electronic switch follow procedures require to be switched on or switched off respectively, make 4 in 60 potential electrode to be switched to service cable A.B and to measure cable M.N, and other electrodes are in off-state entirely;
B. electronic switch set (18) adopts small-sized DC sealed relay or power analog switch, can parts as holding of electrode conversion; Each is opened
The input end of pass group is connected on the electrode, and output terminal has 4, is suspended to respectively on four buses of A.B.M.N., also has a signal input end; Under system controlled by computer, make this electrode or disconnection or receive A.B.M.N. four buses one of them get on, realized that the switch of various mode of operations connects array;
C. converter has 6 kinds of mode of operations, waits pole span depth measurement pattern, logarithm pole span depth measurement pattern, winner four utmost point patterns, dipole one dipole modes, The Pattern of Differential, composite profile pattern that is:; The selection of mode of operation is set by the mode of operation selector switch (15) on the panel, and CPU reads in this setting and judgement by mode of operation input circuit (24), jumps to corresponding program segment again and goes to carry out conversion;
D. change the selection of electrode distance coefficient and set by " electrode distance coefficient thumbwheel switch " (14) on the panel, CPU reads in this setting by electrode distance coefficient input circuit (24), and determines the interval of conversion pole span;
2, converter according to claim 1 is characterized in that: this machine includes monitor supervisor, the fault detection program of complete machine hardware, the electrode converse routine of 6 kinds of patterns; Every kind of mode of operation all has specific electrodes ordering regulation and conversion rule, each step switching motion in the measurement, 4 electrodes in 60 electrodes can only be switched to four common bus input ends of A.B.M.N. respectively, each electrode all has 4 kinds of possible on-states, CPU must provide 240 Mode Control Codes in step conversion, for each given N value, the single pass measurement of finishing 60 electrodes needs to do (60-3 * N) electrode conversion, N=1 transforms to the N=16 microcomputer and need provide ∑ (the individual control code of 60-3 * N) position, 6 kinds of mode of operations provide 794880 control code positions altogether.
3, converter according to claim 1, it is characterized in that: when decoder driver circuit provides switching drive signal, give the indicator signal that is switched on electrode, make that by indication driving circuit (19) light emitting diode (13) of respective electrode on the panel number is glittering.
4, according to claim 1 or 3 described converters, it is characterized in that: CPU provides system's error detecting code, by alarm detection indicating circuit (33), check service cable and measure between cable whether short circuit, as having short trouble, the alarm lamp on the panel (9), (10), (11) are just glittering.
5, converter according to claim 1, it is characterized in that: CPU sends the signal of " just at transfer electron " and " the electrode conversion finishes " to the electrical measurement main frame by host interface circuit (28), CPU reads in the signal of " gathering " and " collection finishes " that electric pilot sends here again from this interface circuit, reach the normal synchronized relation of total system " electrode conversion " and " data acquisition " action.
6, converter according to claim 1 is characterized in that: the electronic switch set printed-wiring board (PWB) applies the alkyd baking insulating varnish material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113521 CN1027606C (en) | 1992-12-05 | 1992-12-05 | Microcomputer controlled multiple-way electrode switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113521 CN1027606C (en) | 1992-12-05 | 1992-12-05 | Microcomputer controlled multiple-way electrode switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1073780A CN1073780A (en) | 1993-06-30 |
| CN1027606C true CN1027606C (en) | 1995-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92113521 Expired - Fee Related CN1027606C (en) | 1992-12-05 | 1992-12-05 | Microcomputer controlled multiple-way electrode switching device |
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| Country | Link |
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| CN (1) | CN1027606C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100403351C (en) * | 2006-04-14 | 2008-07-16 | 西安澳立华勘探技术开发有限公司 | Fully-automatic multi-channel multi-electrode electric-method data acquisition system and its method |
| CN101419294B (en) * | 2008-09-23 | 2011-01-19 | 中国科学院地质与地球物理研究所 | Multichannel measuring electrode converter and measurement method thereof |
| CN101561513B (en) * | 2009-06-02 | 2011-04-20 | 吉林大学 | Device and method for observing three-dimensional DC method simulation experiment |
| CN103955000B (en) * | 2014-04-02 | 2017-02-22 | 中国冶金地质总局山东正元地质勘查院 | Three-dimensional electrical sounding method |
| CN105589106B (en) * | 2015-09-15 | 2018-09-14 | 青岛理工大学 | A kind of hierarchy type high-density electric instrument electrode conversion device |
| CN105403921B (en) * | 2015-12-09 | 2018-03-06 | 重庆地质仪器厂 | A kind of converter |
| CN109655666A (en) * | 2018-12-05 | 2019-04-19 | 深圳市飞荣达科技股份有限公司 | Sheet resistance test fixture and test method |
| CN109782358A (en) * | 2019-03-13 | 2019-05-21 | 中国十七冶集团有限公司 | A kind of geotechnical investigation method and its processing system based on high-density electric |
-
1992
- 1992-12-05 CN CN 92113521 patent/CN1027606C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1073780A (en) | 1993-06-30 |
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