Buried potential acquisition device capable of being quickly maintained and replaced

Abstract

The utility model is applicable to the technical field of underground measurement, and provides a buried potential acquisition device capable of being quickly maintained and replaced, which comprises a test pile, a wiring board, a power supply and a power supply, the wire inlet is formed in the test pile; the reference pipe is arranged above or on the side edge of the buried pipeline, and the bottom of the reference pipe is filled with bentonite; the buried measuring unit assembly is mounted in the reference tube; the rubber threading hose is located between the test pile and the reference pipe, and a cable of the buried measurement unit assembly enters the rubber threading hose through a reserved opening formed in the reference pipe and is connected with the wiring board through a wire inlet. According to the utility model, through optimizing the structure and the installation mode of the buried measurement unit assembly, the rapid replacement when the pipeline acquisition potential is abnormal due to the fault of the buried part is realized; the PVC pipe is added, so that the buried part can be quickly extracted and replaced; a heat preservation measure is added, so that buried parts and a buried environment are prevented from being frozen; a rubber threading hose and a waterproof joint are added, so that maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to underground survey technical field especially relates to a buried potential collection device of quick maintenance and replacement. BACKGROUND

[0002] With the rise of intelligent technology, intelligent test pile as an underground survey unit can replace manual measurement and is applied in oil and gas pipeline industry to become a technical security measure that can monitor the effectiveness of pipeline potential.

[0003] The installation effect of the underground survey unit determines the accuracy of the pipeline potential measurement data, but due to poor underground soil environment and low construction standard, the measurement unit has a high failure rate, and excavation verification reference and test piece state are often required during maintenance and improvement, and the frequent occurrence of such failures of the intelligent pile increases a lot of work of the personnel in the work area and increases the pressure of line management work. UTILITY MODEL CONTENT

[0004] The embodiment of the utility model aims to provide a buried potential collection device of quick maintenance and replacement, and aims to solve the problems in the above background technology.

[0005] The embodiment of the utility model is implemented in this way, a buried potential collection device of quick maintenance and replacement, comprising:

[0006] The test pile is provided with a collection instrument, and the collection instrument is connected with a terminal block;

[0007] The incoming line port is arranged on the test pile;

[0008] The reference pipe is arranged above or at the side of the buried pipeline, and the bottom of the reference pipe is filled with bentonite;

[0009] The buried survey unit assembly is installed in the reference pipe;

[0010] The rubber threading hose is located between the test pile and the reference pipe, the cable of the buried survey unit assembly enters the rubber threading hose through the reserved port arranged on the reference pipe, and is connected with the terminal block through the incoming line port.

[0011] Preferably, the buried survey unit assembly comprises:

[0012] The copper sulfate long-acting reference electrode is combined with the PVC pipe through three straight joints;

[0013] The test piece one is combined with another PVC pipe through another three straight joints;

[0014] The test piece two is combined with another PVC pipe through another three straight joints.

[0015] Preferably, the cable of the buried measuring unit assembly is connected through a waterproof joint located at the connection of the rubber threading hose and the reference tube.

[0016] Preferably, a sponge is arranged in the reference tube, and the sponge is located above the long-acting copper sulfate reference electrode, the test piece one and the test piece two.

[0017] Preferably, the upper part of the reference tube is provided with thermal insulation cotton.

[0018] The buried potential acquisition device provided by the embodiment of the present application can realize quick replacement when the pipeline acquisition potential is abnormal due to the fault of the buried part by optimizing the structure and installation mode of the buried measuring unit assembly, the design optimizes the moisture retention of the underground soil environment on the basis of the original design, the buried part is in a good measurement environment for a long time, the PVC pipe is added to enable quick extraction and replacement of the buried part and reduce manual excavation, the thermal insulation measures are added to avoid freezing of the buried part and the buried environment, and the rubber threading hose and the waterproof joint are added to facilitate maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is a structural schematic view of a buried potential acquisition device provided by the embodiment of the present application;

[0020] Figure 2 Fig. 2 is a structural schematic view of a buried measuring unit assembly in the buried potential acquisition device provided by the embodiment of the present application;

[0021] Figure 3 Fig. 3 is an external lower end schematic view of a reference tube in the buried potential acquisition device provided by the embodiment of the present application.

[0022] In the drawings: 1-test pile; 2-acquisition instrument; 3-wiring board; 4-test pile door; 5-wiring inlet; 6-rubber threading hose; 7-reference tube; 8-PVC pipe; 9-through joint; 10-waterproof joint; 11-long-acting copper sulfate reference electrode; 12-test piece one; 13-test piece two; 14-buried pipeline; 15-sponge; 16-thermal insulation cotton; 17-bentonite. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0024] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0025] As Figure 1 shown, a structure diagram of a buried potential acquisition device capable of being quickly repaired and replaced is provided in an embodiment of the present application, comprising:

[0026] A test pile 1 is provided with an acquisition instrument 2, and the acquisition instrument 2 is connected with a terminal block 3.

[0027] An incoming wire port 5 is arranged on the test pile 1.

[0028] A reference pipe 7 is arranged above or at the side of a buried pipeline 14, and the bottom of the reference pipe 7 is filled with bentonite 17.

[0029] A buried measurement unit assembly is arranged in the reference pipe 7.

[0030] A rubber threading hose 6 is arranged between the test pile 1 and the reference pipe 7, and the cable of the buried measurement unit assembly enters the rubber threading hose 6 through a reserved port arranged on the reference pipe 7 and is connected with the terminal block 3 through the incoming wire port 5.

[0031] In an embodiment of the present application, the buried potential acquisition device capable of being quickly repaired and replaced is arranged with the buried measurement unit assembly, which can be arranged in the reference pipe 7 and can be quickly replaced when the pipeline acquisition potential is abnormal due to the failure of the buried measurement unit assembly. The rubber threading hose 6 is arranged as a cable channel to facilitate maintenance. The cable is connected with the terminal block 3 through the rubber threading hose 6. The acquisition instrument 2 (the acquisition instrument 2 is mainly applied in the oil and gas pipeline corrosion protection field, has the functions of automatic acquisition and wireless transmission, can realize unified monitoring, has the characteristics of convenience, timeliness, synchronization and the like, can select different monitoring modes according to the environmental characteristics of the pipeline periphery, such as timing transmission and continuous transmission, mainly acquires main data such as pipeline on-off potential, alternating current interference voltage, direct current interference potential, alternating and direct current current density, uploads the data to form a database, facilitates the retrieval, analysis and diagnosis of the data by the management personnel, and realizes the judgment of the effectiveness of the pipeline cathodic protection) can complete the on-site data acquisition, mainly including the automatic acquisition of cathodic protection data such as pipeline on-off potential, natural potential, alternating and direct current interference voltage, the acquired data is transmitted to the server through the internal integrated Internet of Things communication module and the external communication antenna, the data packet after acquisition is transmitted to the server to complete the uploading and storage of the data, and the power supply system can be realized by means of high-energy battery group or solar energy (or wind energy) and rechargeable battery group.

[0032] As Figure 1 shown, as a preferred embodiment of the present application, the buried measurement unit assembly comprises:

[0033] Copper sulfate long-acting reference electrode 11 combined with PVC pipe 8 through three straight-through joints 9;

[0034] Test piece one 12 combined with another PVC pipe 8 through another three straight-through joints 9;

[0035] Test piece two 13 combined with another PVC pipe 8 through another three straight-through joints 9.

[0036] Copper sulfate long-acting reference electrode 11, test piece one 12 and test piece two 13 are combined into a standard part with three straight-through joints 9 and PVC pipe 8, so that the maintenance worker can quickly replace and take out the replacement, reducing manual excavation, and the PVC pipe 8 can be a DN25 PVC pipe, the straight-through joint 9 can be a DN25, DN32 type, and a special PVC glue is used at the connection.

[0037] As shown in Figure 1 As another preferred embodiment of the utility model, the cable of the buried measurement unit assembly is connected through a waterproof joint 10, and the waterproof joint 10 is located at the connection of the rubber threading hose 6 and the reference pipe 7.

[0038] The waterproof joint 10, which can be a heat-shrinkable waterproof joint, is added to facilitate cable connection and facilitate later maintenance.

[0039] As shown in Figure 2 As a preferred embodiment of the utility model, a sponge 15 is arranged in the reference pipe 7, and the sponge 15 is located above the copper sulfate long-acting reference electrode 11, test piece one 12 and test piece two 13.

[0040] The upper part of the reference pipe 7 is provided with heat preservation cotton 16.

[0041] The lower part of the reference pipe 7 is perforated, the sponge 15 is arranged above the copper sulfate long-acting reference electrode 11, test piece one 12 and test piece two 13 to ensure that the underground is in a humid environment for a long time, water is retained near the soil after daily watering, heat preservation cotton 16 is arranged at the upper part of the reference pipe 7 to ensure that the underground temperature is normal in winter, and a cement cover plate is arranged at the top of the reference pipe 7 to ensure that the reference pipe 7 is not damaged.

[0042] The construction and installation process of the collection device is as follows:

[0043] (1) Operation pit excavation requirement: according to the pipe depth, the operation area is excavated above or on the side of the buried pipe 14, the operation pit satisfies the buried part placing pipe center line depth (which can be changed according to the specific situation), and the pipe is ensured to be below the frozen soil layer;

[0044] (2) The bottom of the reference tube 7 measures the environment setting: excavate a pit of 15cm*15cm (can be adjusted according to the actual situation), fill it with appropriate amount of bentonite 17 (recommended 10cm deep), and design a good soil environment;

[0045] (3) The standard parts of the long-acting copper sulfate reference electrode 11, the test piece one 12 and the test piece two 13: use the PVC pipe 8 and the straight-through joint 9 to make the standard parts combined with the buried parts, and connect them using the PVC special glue;

[0046] (4) Cable design: design the waterproof joint 10 at the threading place of the reference tube 7, and lead the cable in the rubber threading hose 6 to the terminal block 3 (the test pile 1 is provided with a test pile door 4, and the terminal block 3 is located in the test pile door 4);

[0047] (5) The installation and moisture and heat preservation design of the reference tube 7: place the reference tube 7 in the excavated operation pit, fill 10cm rare earth (or bentonite) in the reference tube 7 after the installation of the buried parts, place a certain amount of sponge 15 on the filling soil, pour water once, place heat preservation cotton 16 at the upper part of 50cm of the reference tube 7 to prevent the buried parts from being frozen and affecting the measurement accuracy;

[0048] (6) The ground protection design of the reference tube 7: set protection at the ground out of the earth end of the reference tube 7 (whether the reference tube 7 is exposed to the ground or not according to the site condition) to prevent the farmland from being damaged, and use sand and bricks (or cement cover plate) for protection.

[0049] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A buried potential acquisition device capable of quick maintenance and replacement, characterized in that, The utility model relates to a kind of buried measurement unit assemblies, including: Test pile (1), acquisition instrument (2) is equipped in the test pile (1), and acquisition instrument (2) is connected with terminal block (3); Incoming line port (5) is opened in the test pile (1); Reference tube (7) is placed above or side of buried pipeline (14), and the bottom of reference tube (7) is filled with bentonite (17); Buried measurement unit assembly is installed in reference tube (7); Rubber threading hose (6) is located between the test pile (1) and reference tube (7), and the cable of buried measurement unit assembly enters rubber threading hose (6) through the reserved port of reference tube (7), and is connected with terminal block (3) through incoming line port (5).

2. The quickly repairable and replaceable buried potential collection device according to claim 1, characterized in that, The buried measurement unit assembly includes: Copper sulfate long-acting reference electrode (11) is combined with PVC pipe (8) by three straight joints (9); Test piece one (12) is combined with another PVC pipe (8) by another three straight joints (9); Test piece two (13) is combined with another PVC pipe (8) by another three straight joints (9).

3. The quickly repairable and replaceable buried potential collection device according to claim 1, characterized in that, The cable of buried measurement unit assembly is connected through waterproof joint (10), and the waterproof joint (10) is located at the connection of rubber threading hose (6) and reference tube (7).

4. The quickly repairable and replaceable buried potential collection device according to claim 2, characterized in that, Sponge (15) is provided in reference tube (7), and sponge (15) is located above copper sulfate long-acting reference electrode (11), test piece one (12) and test piece two (13).

5. The quickly repairable and replaceable buried potential collection device according to claim 2, characterized in that, The upper portion of reference tube (7) is provided with heat preservation cotton (16).

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