CN205635783U - Pipeline corrosion control system tests junction box - Google Patents
Pipeline corrosion control system tests junction box Download PDFInfo
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- CN205635783U CN205635783U CN201620241495.1U CN201620241495U CN205635783U CN 205635783 U CN205635783 U CN 205635783U CN 201620241495 U CN201620241495 U CN 201620241495U CN 205635783 U CN205635783 U CN 205635783U
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Abstract
Pipeline corrosion control system tests junction box, the structure is: be provided with air switch, test binding post, reference electrode terminal, pipeline conductive connection post, test block terminal, direct current voltmeters and AC voltmeters on junction box's the test wiring board, on -the -spot buried pipeline pass through the wire respectively with pipeline test binding post and the electrically conductive terminal connection of pipeline, reference electrode is connected to the reference electrode terminal through the wire on, the test block is connected on the test block terminal, is connected to air switch's both ends between pipeline conductive connection post and the test block terminal through the wire, controls the break -make state of here circuit through air switch. By adopting the above structure, the utility model, the test stake equipment of having solved existence among the prior art falls behind, can not accomplish test requirement's technical problem.
Description
Technical field
This utility model belongs to oil and gas pipes corrosion protection system detection technique field, particularly relates to a kind of pipeline corrosion protection system test junction box.
Background technology
Pipeline corrosion protection system is to safeguard the important barrier of its integrity, and China's oil natural gas line Protection Code also specifies: should periodically detect buried pipeline.Periodic detection for cathodic protection system operation conditions and alternating current-direct current annoyance level has been included into multinomial country and industry standard [GB 32167 pipe-line Integrity Management specification] [outside SY/T 0087.1 buried steel pipeline, corrosion is directly evaluated].To this end, buried long distance pipeline can arrange pipeline potential test stake at 1 every about 1km.But along with the construction in public corridor, alternating current-direct current interference becomes more universal, also can affect the test process of pipeline corrosion protection system.The application of test piece power-off method is more and more universal, and test pile type originally cannot meet the demand of test.
Summary of the invention
In order to solve above-mentioned technical problem, this utility model provides a kind of pipeline corrosion protection system test junction box, test piece, reference electrode and on-the-spot buried pipeline it is provided with outside junction box, pass through wire respectively with the binding post within junction box to being connected, use air switch to control the on off operating mode of each test branch road, and protect current potential and disturbed condition by D.C. voltmeter and the cloudy of the real-time display pipes of A.C. voltmeter.Solve test pile equipment backwardness present in prior art, it is impossible to complete the technical problem of pipeline corrosion protection test request.
To achieve these goals, the technical solution adopted in the utility model is: pipeline corrosion protection system test junction box, it is characterised in that: it is provided with air switch, calibrating terminal, reference electrode binding post, pipeline conductive connector, test piece binding post, D.C. voltmeter and A.C. voltmeter on the test patch panel of junction box；On-the-spot buried pipeline is connected with pipeline calibrating terminal and pipeline conductive connector respectively by wire, reference electrode is wired on reference electrode binding post, test piece is connected on test piece binding post I, it is wired to the two ends of air switch I between pipeline conductive connector I and test piece binding post, is controlled the on off operating mode of this circuit by air switch I.
Two binding posts of described D.C. voltmeter and A.C. voltmeter are connected with pipeline test wiring pile, reference electrode binding post by wire respectively, and cloudy for real-time display pipes protects current potential and disturbed condition.
Described test piece can use the test piece of four different exposed areas, each test piece is connected with a test piece binding post, pipeline conductive connector is connected between post the two ends being wired to air respectively with test piece, by closing different air switches, by diverse location, different size of deficiency of protection coating is connected with pipeline point.
Described test patch panel is arranged in casing by screw, and casing is arranged on base by support, and D.C. voltmeter and A.C. voltmeter pass through the perforate on casing in casing exterior visual.
It is additionally provided with standby binding post on described test patch panel.
It is provided with door lock on described casing, test patch panel and internal structure are locked in box house.
Described test piece is arranged on axially different, the circumferential position of pipeline.
The beneficial effects of the utility model are:
(1) this utility model features simple structure, can with real buried pipeline with the use of, for cathodic protection and the alternating current-direct current disturbance regime of real-time testing pipeline.
(2) can be used for simulating different anticorrosive coat damaged type, before detection checking equipment and the effectiveness of technique.
(3) test junction box built-in multiple different burial place, different size of test pieces, can be used for complex condition the moon and protect contrast test and the analysis of effectiveness.
(4) air switch and test piece simulation deficiency of protection coating are utilized, it is possible to increase operability.
(5) junction box is built-in with combined-voltage table, can be used for real-time potential test and the calibration of equipment accuracy of reading.
(6) buried test piece quantity is expansible.
Accompanying drawing explanation
Fig. 1: for this utility model line schematic diagram.
Fig. 2: test patch panel scattergram for this utility model.
Detailed description of the invention
Pipeline corrosion protection system test junction box, its structure is: be provided with air switch I23, calibrating terminal 15, reference electrode binding post 16, pipeline conductive connector 17, test piece binding post I18, D.C. voltmeter 9 and A.C. voltmeter 10 on the test patch panel 13 of junction box；On-the-spot buried pipeline 1 is connected with pipeline calibrating terminal 15 and pipeline conductive connector 17 respectively by wire, reference electrode 2 is wired on reference electrode binding post 16, test piece 3 is connected on test piece binding post I18, it is wired to the two ends of air switch 23 between pipeline conductive connector 17 and test piece binding post I18, is controlled the on off operating mode of this circuit by air switch I23.Two binding posts of described D.C. voltmeter 9 and A.C. voltmeter 10 are connected with pipeline test wiring pile 15, reference electrode binding post 16 by wire respectively, and cloudy for real-time display pipes protects current potential and disturbed condition.Described test piece 3 can use the test piece of four different exposed areas, each test piece 3 is connected with a test piece binding post, pipeline conductive connector 17 is connected between post the two ends being wired to air switch respectively with test piece, by closing different air switches, by diverse location, different size of deficiency of protection coating is connected with pipeline point.Described test piece 3 is arranged on axially different, the circumferential position of pipeline.
Test patch panel 13 is arranged in casing 7 by screw 14, and casing 7 is arranged on base 5 by support 6, and D.C. voltmeter 9 and A.C. voltmeter 10 pass through the perforate on casing 7 in casing exterior visual.It is additionally provided with standby binding post 22 on test patch panel 13.It is provided with door lock 11 on casing 7, test patch panel 13 and internal structure is locked in casing 7 internal.
The invention mainly comprises reference electrode 2, test piece 3, base 5, support 6, casing 7, test patch panel 13 etc..With on-the-spot buried pipeline 1 with the use of, it is possible to for the situation of real-time testing pipeline corrosion protection system.Casing 7 and support 6, between support 6 with base 5, solderable or bolt is connected.Casing 7 is provided with nameplate 8 and door lock 11.Test patch panel 13 is fixed on casing 7 by screw 14.It is provided with D.C. voltmeter 9, A.C. voltmeter 10, pipeline calibrating terminal 15, reference electrode binding post 16, pipeline conductive connector 17, test piece binding post I18 on test patch panel 13, test piece binding post II19, test piece binding post III20, test piece binding post IV21, standby binding post 22, air switch I23, air switch II24, air switch III25, air switch IV26.Each binding post is respectively connected with rubber socket.D.C. voltmeter 9, A.C. voltmeter 10 are revealed in atmosphere by the perforate on casing 7, use plexiglass tent to protect.Buried pipeline 1 is connected respectively on pipeline calibrating terminal 15 and pipeline conductive connector 17 by two pipeline wires 12.Reference electrode 2 is connected on reference electrode binding post 16 by reference electrode wire 12.Test piece 3 is connected on test piece binding post I18 by test piece wire 4.Test piece 3 has different size of fixing bare area, and remaining position in addition to exposed part uses epoxy resin and heat shrinking sleeve to seal protection.The corresponding test piece binding post of each test piece 3 and an air switch, be wired to the two ends of air switch respectively between pipeline conductive connector 17 and test piece binding post.By closing different air switches, diverse location, different size of deficiency of protection coating can be electrically connected with pipeline, be used for simulating deficiency of protection coating.D.C. voltmeter 9, two binding posts of A.C. voltmeter 10 are connected with pipeline calibrating terminal 15 and reference electrode binding post 16 by wire respectively, and cloudy for real-time display pipes protects current potential and disturbed condition.
As shown in Figure 1-2, wherein buried pipeline 1 uses the simulation pipeline of reality, and pipeline uses polyethylene coating anticorrosion；Reference electrode 2 uses copper sulfate reference electrode；Test piece 3 uses 16Mn material test piece, and bare area is respectively 1mm2、10mm2、100mm2, non-exposed part uses epoxy resin and heat shrinking sleeve to seal protection, as required, can extend or reduce the quantity of test piece 3 time specifically used.Test piece wire 4 uses 10mm2VV wire；Base 5, support 6, casing 7 use Plate Welding to make, and surface of steel plate sprays paint process；Nameplate 8 uses corrosion resistant plate to make, and surface is printed on the explanations such as junction box's numbering；D.C. voltmeter 9 and A.C. voltmeter 10 use pointer-type analog meter；Door lock 11 uses common rotation lock；Pipeline test lead 12 uses RVVP wire；Pipeline conductive wire uses 10mm2VV wire；Reference electrode wire 12 uses RVVP wire；Test patch panel 13 uses resinae insulation joint plate；Screw 14 uses normal screws；Binding post uses JXZ-4 pass binding post；Air switch uses cabinet formula air switch.
Pipeline corrosion protection system test junction box described in the utility model, utilizes and can simulate different anticorrosive coat damaged type from pipeline with the test piece that ditch is buried underground, and be used for testing cathodic protection effectiveness.Can be not only used for verifying before detection detection equipment, characterization processes effectiveness it can also be used to the on-the-spot test of pipeline corrosion protection system running state.Design a set of such test device, it is possible to achieve the operability of test process.Not only there is certain technological progress, also have great practical value.
Claims (7)
1. pipeline corrosion protection system test junction box, it is characterised in that: be provided with air switch I(23 on the test patch panel (13) of junction box), calibrating terminal (15), reference electrode binding post (16), pipeline conductive connector (17), test piece binding post I(18), D.C. voltmeter (9) and A.C. voltmeter (10)；On-the-spot buried pipeline (1) is connected with pipeline calibrating terminal (15) and pipeline conductive connector (17) respectively by wire；Reference electrode (2) is wired on reference electrode binding post (16)；Test piece (3) is connected to test piece binding post I(18) on, pipeline conductive connector (17) and test piece binding post I(18) between be wired to air switch I(23) two ends, by air switch I(23) control the on off operating mode of this circuit.
Pipeline corrosion protection system test junction box the most according to claim 1, it is characterized in that: described D.C. voltmeter (9) and two binding posts of A.C. voltmeter (10) are connected with pipeline calibrating terminal (15), reference electrode binding post (16) by wire respectively, cloudy for real-time display pipes protects current potential and disturbed condition.
Pipeline corrosion protection system test junction box the most according to claim 1, it is characterized in that: described test piece (3) can use the test piece of four different exposed areas, each test piece (3) is connected with a test piece binding post, pipeline conductive connector (17) is connected between post the two ends being wired to air switch respectively with test piece, by closing different air switches, by diverse location, different size of deficiency of protection coating is connected with pipeline point.
Pipeline corrosion protection system test junction box the most according to claim 1, it is characterized in that: described test patch panel (13) is arranged in casing (7) by screw (14), casing (7) is arranged on base (5) by support (6), and D.C. voltmeter (9) and A.C. voltmeter (10) pass through the perforate on casing (7) in casing exterior visual.
Pipeline corrosion protection system test junction box the most according to claim 1, it is characterised in that: it is additionally provided with standby binding post (22) on described test patch panel (13).
Pipeline corrosion protection system test junction box the most according to claim 4, it is characterised in that: it is provided with door lock (11) on described casing (7), patch panel (13) will be tested and internal structure is locked in casing (7) inside.
7. according to the pipeline corrosion protection system test junction box described in claim 1, it is characterised in that: described test piece (3) is arranged on axially different, the circumferential position of pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620241495.1U CN205635783U (en) | 2016-03-28 | 2016-03-28 | Pipeline corrosion control system tests junction box |
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| CN201620241495.1U CN205635783U (en) | 2016-03-28 | 2016-03-28 | Pipeline corrosion control system tests junction box |
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| CN205635783U true CN205635783U (en) | 2016-10-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323131A (en) * | 2018-12-03 | 2019-02-12 | 北京市燃气集团有限责任公司 | A kind of gas ductwork metro stray current Interference Detection system and its method for arranging |
| CN111575717A (en) * | 2020-05-09 | 2020-08-25 | 中核武汉核电运行技术股份有限公司 | Inserting device for buried pipe anticorrosive coating damage simulation test piece |
| CN113624667A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气股份有限公司 | Method for determining service life of long oil and gas transmission pipeline |
| CN114086186A (en) * | 2021-11-17 | 2022-02-25 | 中国石油天然气股份有限公司 | Pipeline protection effect detection device and detection method |
-
2016
- 2016-03-28 CN CN201620241495.1U patent/CN205635783U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323131A (en) * | 2018-12-03 | 2019-02-12 | 北京市燃气集团有限责任公司 | A kind of gas ductwork metro stray current Interference Detection system and its method for arranging |
| CN111575717A (en) * | 2020-05-09 | 2020-08-25 | 中核武汉核电运行技术股份有限公司 | Inserting device for buried pipe anticorrosive coating damage simulation test piece |
| CN113624667A (en) * | 2020-05-09 | 2021-11-09 | 中国石油天然气股份有限公司 | Method for determining service life of long oil and gas transmission pipeline |
| CN113624667B (en) * | 2020-05-09 | 2024-05-28 | 中国石油天然气股份有限公司 | Method for determining service life of long oil and gas pipeline |
| CN114086186A (en) * | 2021-11-17 | 2022-02-25 | 中国石油天然气股份有限公司 | Pipeline protection effect detection device and detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220330 Address after: 110000 No. 19, Hunnan East Road, Shenyang, Liaoning Patentee after: Shenyang inspection technology branch of national pipe network group north Pipeline Co.,Ltd. Address before: 110168 No. 16, Xuecheng Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG LONGCHANG PIPELINE TESTING CENTER |