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Sectional Concentrated High Density Electrical Measurement System and Its Application

A high-density electrical method and measurement system technology, which is applied in the field of segmented and centralized high-density electrical measurement system, can solve the problems of difficult maintenance and high production cost, and achieve the effect of improving the bearing capacity

Active Publication Date: 2016-08-17
ST GEOMATIVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention provides a segmented centralized high-density electrical measurement system for the limitation of the exploration range and function of the centralized high-density electrical measurement system in the prior art and the defects of high manufacturing cost and difficult maintenance of the segmented high-density electrical measurement system. method measurement system, the system requires a small number of cable taps, light weight of the required cable, not only can support the resistivity test but also supports the centralized excitation test, the maximum emission current is large, and can support the rolling test; the cable The diameter is small, the maximum emission current is large, and the cable is light in weight. The cable is low in cost, durable, and can be replaced separately, and the maintenance cost is low.

Method used

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  • Sectional Concentrated High Density Electrical Measurement System and Its Application
  • Sectional Concentrated High Density Electrical Measurement System and Its Application
  • Sectional Concentrated High Density Electrical Measurement System and Its Application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as Figure 5 Shown, the segmented centralized high-density electrical measurement system, the system includes a test host 1, a plurality of electrode exchange devices (2, 3), cables 4 with taps and electrodes connected to the taps; wherein, the test The host 1, the electrode exchange device 2 and the electrode exchange device (2, 3) are connected in series through a cable. The cable 4 has a core 7 inside, and the core 7 is divided into a bus core 8 and a tap connected to the tap. Core 9. The electrode exchange device (2, 3) includes an exchange circuit 10 and a control circuit, wherein the control circuit has communication and power management functions; the number of taps is 7 to 15, preferably 10 to 12; the bus core 8 includes a transmitting circuit 5, The receiving circuit 6, the communication control circuit or / and the power supply circuit, the power supply circuit is optional, when the electrode exchange device 2 has a built-in working battery, the power supp...

Embodiment 2

[0038] Such as Figure 6 As shown, the segmented centralized high-density electrical measurement system is applied to IP high-density testing. The tap wire core 9 is truncated into the first wire end and the second wire end at the front and back positions, and what is connected with the first wire end and the second wire end respectively is to isolate the tap into the first signal contact point P1 and the second signal contact point P2, The front position is represented by P1, and the rear position is represented by P2; a set of identical switching circuits is added in the electrode exchange device 2; the tap core 9 is exchanged to the transmitting circuit of the bus core 8 through the electrode exchange device 2 5 and receiving loop 6. In this wiring mode, the first signal contact point P1 and the second signal contact point P2 of the tap are respectively connected to the electrode exchange device 2 at the front end and the rear end.

[0039] Add a group of identical switch...

Embodiment 3

[0042] Such as Figure 7 As shown, the segmented centralized high-density electrical measurement system is applied to high-current testing. The transmitting loops 5 in the bus core 8 are connected in parallel. In the actual test, the transmitting circuit 5 needs to continuously carry the transmitting current, and the number of times any tap is used as the transmitting electrode is very small, that is, the empty-load ratio in actual work is much lower than that of the transmitting circuit 5 bus. Therefore, when considering the current carrying capacity, the wire diameter of the wire core connected to the tap on the cable may be only 1 / 3 to 1 / 4 of the transmission loop bus. Therefore, when determining the diameter of the wire core according to the maximum emission current, the wire diameter of the wire core to the tap can be reduced (the number of such wires accounts for the majority in the cable), and the wire diameter of the emission bus can be increased. For the convenience...

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Abstract

The invention discloses a segmented centralized high-density electrical measurement system and an application thereof, and relates to the field of high-density electrical measurement systems. The system of the present invention includes a test host, a plurality of electrode exchange devices, cables with taps and electrodes connected to the taps; wherein, the test host, the electrode exchange device and the electrode exchange device are connected in series through a cable, and the cable There are a plurality of wire cores inside, and the wire cores are divided into bus wire cores and tap wire cores connected with taps. Compared with the centralized high-density electrical method, the present invention adopts the segmented centralized high-density electrical method measurement system, which requires fewer cable taps and lighter weight cables, and can not only support the resistivity test but also support the centralized type. IP test, the maximum emission current is large, and can support rolling test; compared with the distributed high-density electrical measurement system, the cable diameter is small, the maximum emission current is large, and the cable is light in weight. The cable is low in cost, durable, and can be replaced separately , Low maintenance cost.

Description

technical field [0001] The invention relates to the field of high-density electrical measurement systems, in particular to segmented centralized high-density electrical measurement systems and applications thereof. Background technique [0002] Electrical prospecting is a geophysical prospecting method for prospecting and studying geological structures based on the electrical properties of rocks and ores, such as electrical conductivity, electrochemical activity, electromagnetic induction properties and dielectric properties, the so-called "electrical difference". Electrical prospecting is divided into two categories: direct current method and alternating current method, direct current method includes resistivity method, charging method, natural electric field method and direct current induced polarization method, etc., alternating current method includes alternating current induced polarization method, electromagnetic method, magnetotelluric method method, radio wave perspe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/02
CPCG01V3/02
Inventor 袁泉
Owner ST GEOMATIVE CO LTD
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