CN217543241U

CN217543241U - Soil resistivity test probe

Info

Publication number: CN217543241U
Application number: CN202220889429.0U
Authority: CN
Inventors: 孙磊峰; 苗文鹏
Original assignee: Xi'an Yingkemai Information Technology Co ltd
Current assignee: Xi'an Yingkemai Information Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-04
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a soil resistivity test probe, including being arranged in burying the probe insulating casing in the soil, set up the electrode unit that is used for with the soil contact above that, probe insulating casing is inside to be cavity structure, and is filled with the stopping in the cavity structure, probe insulating casing has arranged the data line that is used for transmitting data inside, the data line passes the perforation on the probe insulating casing right-hand member closing cap, data line left end and electrode unit electric connection, the data line right-hand member is equipped with the transmission interface with terminal electric connection, and this application designs to current needs, conveniently acquires the resistivity of soil, through setting up a plurality of test points, has guaranteed the reliability of test, and the practicality is strong.

Description

Soil resistivity test probe

Technical Field

The utility model relates to a soil detection equipment technical field specifically is a soil resistivity test probe.

Background

The corrosion resistance of metal buried objects such as long-distance pipelines and the like is realized by adopting a cathodic protection method, and whether the metal buried objects are protected or not is judged by measuring the cathodic protection potential of the metal buried objects such as the long-distance pipelines and the like. The judgment standard of the protection potential is related to the resistivity of the soil near the buried metal such as the long-distance pipeline.

At present, the known soil resistivity test usually adopts a ground quadrupole equidistance method to test the soil resistivity from the earth surface to a test electrode, and because the soil water content, the oxygen content and the soil type of different depths of a stratum are different, the conventional method is difficult to obtain the real soil resistivity near the buried metal. The probe is buried at a position to be measured, so that the real soil resistivity near the buried metal can be measured by nearby measurement, an appropriate protection potential evaluation standard is determined, and the protection state of the buried pipeline is obtained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil resistivity test probe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a soil resistivity test probe, is used for the electrode unit with the soil contact including the insulating casing setting of probe that is arranged in burying soil above that, the inside cavity structure that is of insulating casing of probe, and the packing has the stopping in the cavity structure, the insulating casing internally arranged of probe has the data line that is used for transmitting data, the data line passes the perforation on the insulating casing right-hand member closing cap of probe, data line left end and electrode unit electric connection, the data line right-hand member is equipped with the transmission interface with terminal electric connection.

As a further aspect of the present invention: the electrode unit at least comprises a first test electrode, a second test electrode, a third test electrode and a fourth test electrode, and the four test electrodes are embedded or in threaded connection in mounting holes in the surface of the probe insulating shell.

As a further aspect of the present invention: the data line comprises a first test line, a second test line, a third test line and a fourth test line which correspond to the four test electrodes, and the end of each test line is provided with a wiring plug matched with the output end of each test electrode.

As a further aspect of the present invention: the filling material is insulating solid filling material.

As a further aspect of the present invention: the solid filling material is insulating glue.

As a further aspect of the present invention: the probe insulating shell is made of insulating materials.

As a further aspect of the present invention: the insulating material is PVC, UPVC or ABS.

Compared with the prior art, the beneficial effects of the utility model are that: this application designs to current needs, conveniently acquires the resistivity of soil, through setting up a plurality of test points, has guaranteed the reliability of test, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Wherein: the test device comprises a first test electrode 1, a second test electrode 2, a third test electrode 3, a fourth test electrode 4, a first test wire 5, a second test wire 6, a third test wire 7, a fourth test wire 8, a probe insulation shell 9, a filling material 10 and a through hole 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, a soil resistivity test probe includes an electrode unit on which a probe insulating housing 9 for embedding in soil is disposed for contacting with soil, a cavity structure is disposed inside the probe insulating housing 9, and the cavity structure is filled with a filler 10, a data line for transmitting data is disposed inside the probe insulating housing 9, the data line passes through a through hole 11 on a cover of a right end of the probe insulating housing 9, a left end of the data line is electrically connected to the electrode unit, and a transmission interface electrically connected to a terminal is disposed at a right end of the data line;

the electrode unit at least comprises a first test electrode 1, a second test electrode 2, a third test electrode 3 and a fourth test electrode 4, and the four test electrodes are embedded in or in threaded connection with mounting holes in the surface of the probe insulating shell 9;

the data line comprises a first test line 5, a second test line 6, a third test line 7 and a fourth test line 8 which correspond to the four test electrodes, and the end part of each test line is provided with a wiring plug matched with the output end of each test electrode;

the filling material 10 is an insulating solid filling material which is insulating glue;

the probe insulating shell 9 is made of an insulating material, and the insulating material is PVC, UPVC or ABS.

A soil resistivity test method is characterized by comprising the following steps:

the method comprises the following steps: digging a landfill pit for burying a soil resistivity test probe at a position to be tested;

step two: burying the soil resistivity test probe into the landfill pit in a mode that the exposed surface of the test electrode faces upwards, and ensuring that the test electrode is in good contact with a covering on the surface of the test electrode for a long time;

step three: and electrically communicating the test electrode with a soil resistivity test instrument through a test wire, and measuring the soil resistivity of the buried position of the probe.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a soil resistivity test probe, is used for the electrode unit with soil contact including being arranged in burying probe insulation casing (9), setting in soil above that, its characterized in that, probe insulation casing (9) is inside to be the cavity structure, and is filled with filler (10) in the cavity structure, probe insulation casing (9) internally arranged has the data line that is used for transmitting data, the data line passes perforation (11) on probe insulation casing (9) right-hand member closing cap, data line left end and electrode unit electric connection, the data line right-hand member is equipped with the transmission interface with terminal electric connection.

2. The soil resistivity test probe according to claim 1, characterized in that the electrode unit comprises at least a first test electrode (1), a second test electrode (2), a third test electrode (3) and a fourth test electrode (4), the four test electrodes being embedded or screwed in mounting holes in the surface of the probe insulation shell (9).

3. The soil resistivity test probe of claim 2 wherein the data lines include a first test line (5), a second test line (6), a third test line (7) and a fourth test line (8) corresponding to the four test electrodes, each test line end being provided with a connector plug for mating with the test electrode output.

4. Soil resistivity test probe according to claim 3, characterized in that the filling material (10) is an insulating solid filling material.

5. The soil resistivity test probe of claim 4, wherein the solid fill material is an insulating glue.

6. The soil resistivity test probe of claim 1, wherein the probe insulating housing (9) is made of an insulating material.

7. The soil resistivity test probe of claim 6 wherein the insulating material is PVC, UPVC or ABS.