Wiring device for cathode protection test of buried pipeline

Abstract

The utility model relates to a wiring device used for a buried pipeline cathode protection test, which comprises a connecting seat and a plurality of fast connecting wires, the connecting seat comprises an insulating plate and a plurality of first plug connectors, each first plug connector comprises a binding post and a first jack, n first plug connectors are used as pipeline plug connectors, m first plug connectors are used as anode plug connectors, and n second plug connectors are used as cathode plug connectors. One first plug connector is used as a reference plug connector, two first plug connectors are used as test piece plug connectors, three first plug connectors are used as test plug connectors, the pipeline plug connector is correspondingly connected with a buried pipeline, the anode plug connector is correspondingly connected with a sacrificial anode buried underground, the reference plug connector is connected with a reference electrode buried underground, and the test piece plug connector is connected with the test piece plug connector. The test piece plug connectors are correspondingly connected with the test piece and the self-corrosion piece which are buried underground, the quick connecting wire comprises a connecting cable and second plug connectors at the two ends, each second plug connector comprises a plug and a second jack, and the plugs are matched with the first jacks and the second jacks. The device has the advantages of simple structure, low cost and high practicability.

Description

Technical Field

[0001] The utility model relates to a buried pipeline cathode protection device, in particular to a wiring device used for buried pipeline cathode protection testing. Background Art

[0002] In the gas pipeline network, the cathodic protection system for buried pipelines is usually equipped with test piles to test the effectiveness of the cathodic protection system and take timely countermeasures when the cathodic protection performance degrades or fails. The existing cathodic protection system is usually equipped with wiring terminals corresponding to the buried pipeline, sacrificial anode, reference electrode and test type connection in the test pile, so as to connect multimeter and other equipment to detect relevant parameters, but these wiring terminals are scattered, and there is no arrangement order and rules between each other. Not only does it take a long time to distinguish, but the connection is also cumbersome, which seriously affects the efficiency of the test work. Utility Model Content

[0003] The utility model aims to provide a wiring device for cathode protection testing of buried pipelines, which has the advantages of simple structure, low cost, convenient connection and strong practicality, and can effectively improve work efficiency.

[0004] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a wiring device for cathodic protection testing of buried pipelines, including a connecting seat and a plurality of quick wirings, wherein the connecting seat includes an insulating plate fixed in a cathodic protection test pile, a plurality of first connectors are fixed on the insulating plate, and the first connectors include interconnecting terminals and first jacks, wherein n first connectors are used as pipeline connectors and are correspondingly marked as connectors G1, connectors G2...connectors Gn, m first connectors are used as anode connectors and are correspondingly marked as connectors Y1, connectors Y2...connectors Ym, 1 first connector is used as a reference connector and is marked as connector B, and 2 first connectors are used as test piece connectors and are correspondingly marked as Connectors S1 and S2, three first connectors are used as test connectors and are marked as connectors C1, C2 and C3 respectively, the terminals of connectors G1, G2 ... Gn are connected to the buried pipelines, the terminals of connectors Y1, Y2 ... Ym are connected to the sacrificial anodes buried underground, the terminals of connector B are connected to the reference electrodes buried underground, the terminals of connectors S1 and S2 are connected to the test pieces and self-corrosion parts buried underground; the quick connection includes a connecting cable, and the two ends of the connecting cable are respectively provided with second connectors, the second connector includes a plug and a second socket connected to each other, and the plug is matched with the first socket and the second socket.

[0005] Furthermore, the utility model provides a wiring device for cathodic protection testing of buried pipelines, wherein a first built-in cable is provided between the wiring posts of the connector G1 and the connector C1, a second built-in cable is provided between the wiring posts of the connector Y1 and the connector C2, and a 1Ω standard resistor is provided between the wiring posts of the connector C2 and the connector C3.

[0006] Furthermore, the utility model provides a wiring device for buried pipeline cathodic protection testing, wherein the first connectors are provided with 12 pieces, n=2, and m=4.

[0007] Compared with the prior art, the utility model discloses a wiring device for cathodic protection testing of buried pipelines, which has the following advantages: the utility model provides a connection seat and a plurality of quick wirings, so that the connection seat is arranged and fixed on an insulating plate in a cathodic protection test pile, and a plurality of first plug connectors are fixed on the insulating plate, wherein the first plug connectors include interconnecting terminals and first jacks, wherein n first plug connectors are used as pipeline plug connectors and are correspondingly marked as plug connectors G1, plug connector G2...plug connector Gn, m first plug connectors are used as anode plug connectors and are correspondingly marked as plug connectors Y1, plug connector Y2...plug connector Ym, one first plug connector is used as a reference plug connector and is marked as plug connector B, and two first plug connectors are used as test piece plug connectors and are correspondingly marked as Connectors S1 and S2, three first connectors are used as test connectors and are marked as connectors C1, C2 and C3 respectively, the terminals of connectors G1, G2 ... Gn are connected to the buried pipelines, the terminals of connectors Y1, Y2 ... Ym are connected to the sacrificial anodes buried underground, the terminals of connector B are connected to the reference electrodes buried underground, the terminals of connectors S1 and S2 are connected to the test pieces and self-corrosion parts buried underground; let the quick wiring set a connecting cable, connect the second connectors at both ends of the connecting cable respectively, the second connector includes a plug and a second socket connected to each other, and the plug is matched with the first socket and the second socket. Thus, a wiring device for cathodic protection testing of buried pipelines is formed. Compared with the prior art, the utility model can quickly determine the wiring positions connected to the buried pipeline, sacrificial anode, reference electrode and test piece respectively by providing a connecting seat, and making the connecting seat provide an insulating plate and a plurality of first connectors arranged on the insulating plate. The second connector structure of the quick wiring effectively improves the connection operation and test efficiency, and has the characteristics of simple structure, low cost and strong practicality.The connection and test process is as follows: first, connect the connectors Gn...connector G2, connector G1 and connector C1 in sequence through the quick wiring, and connect the connector G1 and connector S1 through the quick wiring; after burning, connect the connectors Ym...connector Y2, connector Y1 and connector C2 in sequence through the quick wiring, and connect the connector Y1 and connector G1 through the quick wiring, and connect the test resistor between the connector C2 and the connector C3, and then use the multimeter to connect the corresponding test connector to carry out the power-on potential, power-off potential, anode emission current and test piece The test of self-corrosion potential is specifically as follows: Power-on potential: use the voltage range of the multimeter, connect the red pen to connector C1, connect the black pen to connector B, and read the power-on potential value; Power-off potential: after measuring the power-on potential, disconnect the connection between connector Y1 and connector G1, and read the power-off potential value after 3s of disconnection; Anode emission current: use the voltage range of the multimeter, connect the red pen to connector C2, connect the black pen to connector C3, and read the anode emission current value; Test piece self-corrosion potential: use the voltage range of the multimeter, connect the red pen to connector S2, connect the black pen to connector B, and read the self-corrosion potential value.

[0008] The following is a further detailed description of a wiring device for cathodic protection testing of buried pipelines according to the utility model in conjunction with the specific implementation modes shown in the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a front view of the connecting seat in the utility model;

[0010] Figure 2 Axonometric measurement of the connecting seat in the utility model Figure 1 ;

[0011] Figure 3 This is the rear view of the connecting seat in the utility model

[0012] Figure 4 Axonometric measurement of the connecting seat in the utility model Figure 1 ;

[0013] Figure 5 It is a front view of the quick-connection in the utility model;

[0014] Figure 6 It is an axonometric drawing of the quick connection in the utility model. DETAILED DESCRIPTION

[0015] First of all, it should be explained that the directional words such as up, down, left, right, front and back described in the present invention are only described according to the drawings for the convenience of understanding, and are not intended to limit the technical solution of the present invention and the scope of protection requested.

[0016] like Figures 1 to 6The utility model is a specific embodiment of a wiring device for cathodic protection testing of buried pipelines, including a connection seat and a plurality of quick-connect wires. The connection seat is set and fixed on an insulating plate 1 in a cathodic protection test pile, and 12 first connectors 2 are fixed on the insulating plate 1. The first connectors 2 specifically include interconnecting terminals 21 and first jacks 22, wherein two first connectors 2 are used as pipeline connectors and are correspondingly marked as connectors G1 and G2, four first connectors 2 are used as anode connectors and are correspondingly marked as connectors Y1, Y2, Y3 and Y4, one first connector 2 is used as a reference connector and is marked as connector B, and two first connectors 2 are used as test piece connectors. The connectors are marked as connector S1 and connector S2, and the three first connectors 2 are used as test connectors and marked as connector C1, connector C2 and connector C3. The terminals 21 of connectors G1 and G2 are connected to the buried pipeline, the terminals 21 of connectors Y1, connector Y2, connector Y3 and connector Y4 are connected to the buried sacrificial anode, the terminal 21 of connector B is connected to the buried reference electrode, and the terminals 21 of connectors S1 and S2 are connected to the buried test piece and self-corrosion part. Let the quick connection set the connecting cable 3, and set the second connectors 4 connected to the connecting cable 3 at both ends respectively. The second connector 4 specifically includes a plug 41 and a second socket 42 connected to each other, and the plug 41 is matched with the first socket 22 and the second socket 42.

[0017] The above arrangement constitutes a wiring device for cathodic protection testing of buried pipelines which has a simple structure, low cost, convenient connection and strong practicality. Compared with the prior art, the utility model provides a connection seat, and the connection seat is provided with an insulating plate 1 and a plurality of first connectors 2 arranged on the insulating plate 1, so that the wiring positions respectively connected to the buried pipeline, the sacrificial anode, the reference electrode and the test piece can be quickly determined, and the second connector 4 structure of the quick connection is combined to effectively improve the connection operation and the test efficiency. The connection and test process is as follows: first, connect the connector G2, connector G1 and connector C1 in sequence through the quick wiring, and connect the connector G1 and connector S1 through the quick wiring; after ignition, connect the connector Y4, connector Y3, connector Y2, connector Y1 and connector C2 in sequence through the quick wiring, and connect the connector Y1 and connector G1 through the quick wiring, and connect the test resistor between the connector C2 and the connector C3, and then use the multimeter to connect the corresponding test connector to measure the power-on potential, power-off potential, anode emission current and self-test of the test piece. The test of corrosion potential is specifically as follows: power-on potential: use the voltage range of the multimeter, connect the red pen to the connector C1, connect the black pen to the connector B, and read the power-on potential value; power-off potential: after measuring the power-on potential, disconnect the connection between connector Y1 and connector G1, disconnect for 3s, and read the power-off potential value; anode emission current: use the voltage range of the multimeter, connect the red pen to the connector C2, connect the black pen to the connector C3, and read the anode emission current value; test piece self-corrosion potential: use the voltage range of the multimeter, connect the red pen to the connector S2, connect the black pen to the connector B, and read the self-corrosion potential value. It should be noted that the pipeline connectors are not limited to 2, and more than 2 can be set according to actual needs. Similarly, the anode connectors are not limited to 4, and more than 4 can be set according to actual needs. Correspondingly, the first connector 2 is not limited to 12, and more than 12 can be set according to actual needs. It should also be pointed out that the test pieces in this article refer to test pieces and self-corrosion parts, and their setting methods and principles are well known to those skilled in the art.

[0018] As an optimization solution, in order to simplify the structure and connection operation, this specific embodiment sets a first built-in cable 5 between the terminal 21 of the connector G1 and the connector C1, sets a second built-in cable 6 between the terminal 21 of the connector Y1 and the connector C2, and sets a 1Ω standard resistor 7 between the terminal 21 of the connector C2 and the connector C3. In this way, there is no need to temporarily perform corresponding wiring operations during each test, which further improves the test efficiency.

[0019] The above embodiments are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the protection scope of the present invention. Without departing from the design concept of the present invention, various modifications made by those skilled in the art based on the technical solution of the present invention should fall within the protection scope determined by the claims of the present invention.

Claims

1. A wiring device for cathodic protection testing of buried pipelines, characterized in that: The invention comprises a connection base and a plurality of quick-connecting wires, wherein the connection base comprises an insulating plate (1) fixed in a cathode protection test pile, a plurality of first connectors (2) fixed on the insulating plate (1), the first connectors (2) comprising mutually connected terminals (21) and first plug holes (22), wherein n first connectors (2) are used as pipeline connectors and are correspondingly marked as connectors G1, G2, ..., Gn, m first connectors (2) are used as anode connectors and are correspondingly marked as connectors Y1, Y2, ..., Ym, one first connector (2) is used as a reference connector and is marked as connector B, two first connectors (2) are used as test piece connectors and are correspondingly marked as connectors S1 and S2, three first connectors (2) are used as test connectors and are correspondingly marked as connectors S1 and S2, Marked as connector C1, connector C2 and connector C3, the terminals (21) of connectors G1, connector G2 ... connector Gn are connected to the buried pipeline, the terminals (21) of connectors Y1, connector Y2 ... connector Ym are connected to the sacrificial anode buried underground, the terminal (21) of connector B is connected to the reference electrode buried underground, and the terminals (21) of connectors S1 and S2 are connected to the test piece and self-corrosion part buried underground; the quick connection includes a connecting cable (3), and the two ends of the connecting cable (3) are respectively provided with a second connector (4), and the second connector (4) includes a plug (41) and a second socket (42) connected to each other, and the plug (41) is matched with the first socket (22) and the second socket (42).

2. A wiring device for buried pipeline cathodic protection testing according to claim 1, characterized in that: A first built-in cable (5) is provided between the connecting posts (21) of the connector G1 and the connector C1, a second built-in cable (6) is provided between the connecting posts (21) of the connector Y1 and the connector C2, and a 1Ω standard resistor (7) is provided between the connecting posts (21) of the connector C2 and the connector C3.

3. A wiring device for buried pipeline cathodic protection testing according to claim 2, characterized in that: The number of the first plug connectors (2) is 12, n=2, and m=4.

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