Pipeline drainage product detection system

Abstract

The utility model relates to a drainage product detection system, in particular to a pipeline drainage product detection system. Comprising a shell, and an instrument display screen and a switch are arranged on the outer surface of the shell; a D / A converter, a single-chip microcomputer connected with the instrument display screen, and a power supply and a test module which are connected end to end to form a test loop are arranged in the housing. The switch is installed in the test loop. The test module comprises an ampere meter and a test switching module which are connected in series between the power supply and the switch, and a voltmeter connected in parallel at two ends of the test switching module; the test switching module is provided with a measuring meter pen connected with the drainage product, and the measuring meter pen is arranged outside the shell; the ammeter and the voltmeter are connected with the D / A converter, the D / A converter is connected with the single-chip microcomputer, and the single-chip microcomputer is connected with the instrument display screen and used for displaying test results on the instrument display screen. According to the utility model, the single-chip microcomputer can be used to control the test switching module to switch the connection and disconnection of the measuring meter pen and the drainage product, so that the measurement of different parameters can be realized.

Description

Technical Field

[0001] The utility model relates to a drainage product detection system, in particular to a pipeline drainage product detection system. Background Art

[0002] In oil and gas pipeline systems, numerous drainage products are typically installed along the pipelines to ensure safe operation and prevent corrosion and interference from stray currents. These drainage products, such as drains and grounding devices, play a vital role in dissipating stray currents and protecting the pipelines from electrochemical corrosion. However, over the long-term operation of the pipeline system, the performance of these drainage products may gradually deteriorate or even fail. If these issues are not discovered and replaced promptly, they pose a serious threat to the safe operation of the pipelines.

[0003] Currently, performance testing of drainage products primarily relies on simple measurement tools like traditional multimeters. However, these tools can only measure a single parameter and cannot simultaneously test multiple parameters, such as AC impedance, DC rated isolation voltage, and leakage current. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problem that only a single parameter can be measured when using measuring tools such as a multimeter, and to provide a pipeline drainage product detection system.

[0005] In order to solve the above technical problems, the technical solutions provided by the present invention are as follows:

[0006] A pipeline drainage product detection system includes a housing, an outer surface of which is provided with an instrument display and a switch; the interior of the housing is provided with a D / A converter, a single-chip microcomputer connected to the instrument display, and a power supply and a test module connected end to end to form a test loop;

[0007] The switch is installed in the test circuit;

[0008] The test module includes an ammeter and a test switching module connected in series between the power supply and the switch, and a voltmeter connected in parallel at both ends of the test switching module; the test switching module is provided with a measuring probe connected to the drainage product, and the measuring probe is placed outside the housing;

[0009] The ammeter and voltmeter are both connected to a D / A converter, the D / A converter is connected to a single chip microcomputer, and the single chip microcomputer is connected to an instrument display screen for displaying the test results on the instrument display screen.

[0010] Furthermore, the power supply includes a rechargeable 12V battery, and a 12V to 220V inverter and a 12V to 24V inverter respectively connected thereto;

[0011] The rechargeable 12V battery, the 12V to 220V inverter and the 12V to 24V inverter are all connected to the test module.

[0012] Furthermore, a potentiometer for adjusting the circuit current is connected in series between the switch and the ammeter.

[0013] Furthermore, the ammeter includes a DC ammeter and an AC ammeter; the voltmeter includes a DC voltmeter and an AC voltmeter; the potentiometer includes a DC potentiometer and an AC potentiometer;

[0014] The DC potentiometer, DC ammeter, DC voltmeter, test switching module and measuring probes constitute a DC test circuit;

[0015] The AC potentiometer, AC ammeter, AC voltmeter, test switching module and measuring probes form an AC test circuit.

[0016] Furthermore, the measuring probes include a reference probe connected to the test switching module, a first measuring probe, a second measuring probe, a third measuring probe and a fourth measuring probe.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The pipeline drainage product detection system provided by the utility model integrates a voltmeter and an ammeter, connects the measuring probes to the drainage product, and then switches the connection between the measuring probes and the drainage product through a single-chip microcomputer-controlled test switching module to achieve measurement of different parameters.

[0019] 2. The pipeline drainage product detection system provided by the utility model is powered by a rechargeable 12V battery, a 12V to 220V inverter and a 12V to 24V inverter. It adopts a rechargeable passive design, making the detection system easy to carry and capable of outdoor passive testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0021] Figure 2 This is a structural diagram of an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of a test circuit according to an embodiment of the present invention.

[0023] Explanation of reference numerals: 1. housing; 2. instrument display; 3. switch. DETAILED DESCRIPTION

[0024] The following is a clear and complete description of the technical solutions of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0025] like Figure 1 As shown, a pipeline drainage product detection system includes a housing 1, and an instrument display screen 2 and a switch 3 are provided on the outer surface of the housing 1; Figure 2 As shown, the housing 1 is provided with a D / A converter, a single chip microcomputer connected to the instrument display screen 2, and a power supply and a test module connected end to end to form a test circuit;

[0026] The switch 3 is installed in the test circuit to control the power on and off of the entire detection system.

[0027] The test module includes an ammeter and a test switching module connected in series between the power supply and the switch 3, and a voltmeter connected in parallel at both ends of the test switching module;

[0028] like Figure 2 As shown, a potentiometer for adjusting the circuit current is connected in series between the switch 3 and the ammeter; the ammeter includes a DC ammeter and an AC ammeter; the voltmeter includes a DC voltmeter and an AC voltmeter; the potentiometer includes a DC potentiometer and an AC potentiometer;

[0029] like Figure 2 As shown, the DC potentiometer, DC ammeter, DC voltmeter, test switching module and measuring probes constitute a DC test circuit; the AC potentiometer, AC ammeter, AC voltmeter, test switching module and measuring probes constitute an AC test circuit.

[0030] The schematic diagrams of the DC test circuit and the AC test circuit are as follows: Figure 3 shown.

[0031] like Figure 2 As shown, the ammeter and voltmeter are both connected to the D / A converter, the D / A converter is connected to the single chip microcomputer, and the single chip microcomputer is connected to the instrument display screen 2 for displaying the test results on the instrument display screen 2.

[0032] The test switching module is provided with measuring probes connected to the drainage product, and the measuring probes are placed outside the shell 1; the measuring probes include a reference probe connected to the test switching module, a first measuring probe, a second measuring probe, a third measuring probe and a fourth measuring probe.

[0033] The test switching module includes a reference relay, a first test relay, a second test relay, a third test relay and a fourth test relay; the control terminals of the reference relay, the first test relay, the second test relay, the third test relay and the fourth test relay are connected to the single-chip microcomputer, and the load terminals are connected to the reference test lead, the first measuring test lead, the second measuring test lead, the third measuring test lead and the fourth measuring test lead in a one-to-one correspondence; the reference relay, the first test relay, the second test relay, the third test relay and the fourth test relay are controlled to close or open by the single-chip microcomputer to achieve measurement of different parameters.

[0034] The power supply consists of a rechargeable 12V battery, a 12V to 220V inverter, and a 12V to 24V inverter connected to it. The rechargeable 12V battery, 12V to 220V inverter, and 12V to 24V inverter are all connected to the test module. The DC ammeter, DC voltmeter, AC ammeter, and AC voltmeter are all powered by the 12V to 220V inverter.

[0035] When using the pipeline drainage product detection system of this embodiment, the first measuring probe is connected to the drain pipe, the second measuring probe is connected to the pipeline line, the third measuring probe is connected to the drain ground terminal, the fourth measuring probe is connected to the ground wire, and the reference probe is connected to the reference electrode; it is used to measure the following parameters:

[0036] 1) AC potential after discharge, pipeline energization potential, and discharge current value;

[0037] 2) AC potential before pipeline discharge and pipeline electrification potential;

[0038] 3) Automatic determination of grounding electrode potential and grounding electrode material;

[0039] 4) Rated isolation voltage of the drainage product, leakage current at 0.75 times the rated voltage, and AC impedance.

[0040] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present invention shall be covered by the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A pipeline drainage product detection system, characterized by: The invention comprises a housing (1), wherein an instrument display screen (2) and a switch (3) are provided on the outer surface of the housing (1); a D / A converter, a single chip microcomputer connected to the instrument display screen (2), and a power supply and a test module connected end to end to form a test loop are provided inside the housing (1); The switch (3) is installed in the test circuit; The test module comprises an ammeter and a test switching module connected in series between a power supply and a switch (3), and a voltmeter connected in parallel at both ends of the test switching module; the test switching module is provided with a measuring probe connected to the discharge product, and the measuring probe is placed outside the housing (1); The ammeter and voltmeter are both connected to a D / A converter, the D / A converter is connected to a single chip microcomputer, and the single chip microcomputer is connected to an instrument display screen (2) for displaying the test results on the instrument display screen (2).

2. The pipeline drainage product detection system according to claim 1, characterized in that: The power supply includes a rechargeable 12V battery, and a 12V to 220V inverter and a 12V to 24V inverter respectively connected thereto; The rechargeable 12V battery, the 12V to 220V inverter and the 12V to 24V inverter are all connected to the test module.

3. The pipeline drainage product detection system according to claim 1, characterized in that: A potentiometer for adjusting the circuit current is connected in series between the switch (3) and the ammeter.

4. The pipeline drainage product detection system according to claim 3, characterized in that: The ammeter includes a DC ammeter and an AC ammeter; the voltmeter includes a DC voltmeter and an AC voltmeter; the potentiometer includes a DC potentiometer and an AC potentiometer; The DC potentiometer, DC ammeter, DC voltmeter, test switching module and measuring probes constitute a DC test circuit; The AC potentiometer, AC ammeter, AC voltmeter, test switching module and measuring probes form an AC test circuit.

5. The pipeline drainage product detection system according to claim 1, characterized in that: The measuring test leads include a reference test lead connected to the test switching module, a first measuring test lead, a second measuring test lead, a third measuring test lead and a fourth measuring test lead.

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