CN212675086U - Large-current ablation test sample table considering medium influence - Google Patents
Large-current ablation test sample table considering medium influence Download PDFInfo
- Publication number
- CN212675086U CN212675086U CN202020267185.3U CN202020267185U CN212675086U CN 212675086 U CN212675086 U CN 212675086U CN 202020267185 U CN202020267185 U CN 202020267185U CN 212675086 U CN212675086 U CN 212675086U
- Authority
- CN
- China
- Prior art keywords
- container
- current ablation
- insulating container
- ablation test
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000002679 ablation Methods 0.000 title claims abstract description 31
- 239000002689 soil Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 210000000078 claw Anatomy 0.000 description 7
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a consider heavy current ablation test sample platform and test method that medium influences, test platform include container subassembly, clamping subassembly and circular telegram subassembly, the container subassembly includes the inside insulating container who holds by examination article and medium, the clamping subassembly includes with by examination article are fixed folder in the insulating container, the circular telegram subassembly includes power, earthing pole and connects the manual electrode of power, manual electrode including scalable and pivoted set up in the conducting rod body in the insulating container, earthing pole one end ground connection, the other end with the connection can be dismantled to the examination article. The utility model relates to a consider heavy current ablation test specimen platform of medium influence, the sample can conveniently be fixed on this platform, and relevant conductive medium can be filled according to experimental needs to this platform simultaneously, and experimental real environment is restoreed to the at utmost. The test sample table data acquisition is visual and effective, and the efficiency of the work is greatly improved.
Description
Technical Field
The application belongs to the field of high-voltage tests of industrial equipment, and particularly relates to a large-current ablation test sample table considering medium influence and a test method.
Background
Because research institutions in the petroleum industry or the electric power industry often aim at scientific research on power frequency grounding current ablation of power transmission and transformation equipment nearby on concealed engineering facilities such as buried oil and gas pipelines or current ablation after lightning impulse current flows into the ground, power frequency current or lightning impulse current ablation simulation tests need to be carried out on concealed engineering facility slices such as buried oil and gas pipelines. Under the influence of laboratory environment and test equipment, the environment (in soil, sand or seawater) of hidden engineering facilities such as oil and gas pipelines buried in reality cannot be simulated on a large scale, the influence of the middle conductive medium is often ignored during the test, the large current is directly subjected to an ablation test through the air medium, the result is corrected, the discharge characteristic of the current in the real medium cannot be reduced as much as possible, and the test result is often inaccurate and real. In order to conveniently simulate the power frequency current or lightning impulse current ablation test of hidden engineering facilities such as buried oil and gas pipelines in real environments (in soil, sand or seawater), a new test sample table is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the test bench and the test method for the high-current ablation test are accurate and real in consideration of medium influence.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a consider heavy current ablation test sample platform of medium influence, includes container subassembly, clamping subassembly and circular telegram subassembly, the container subassembly includes the inside insulating container who holds article under test and medium, the clamping subassembly includes with the article under test is fixed folder in the insulating container, the circular telegram subassembly includes power, earthing pole and connects the manual electrode of power, manual electrode including scalable and the pivoted set up in the conducting rod body in the insulating container, the conducting rod body with leave the clearance between the article under test, earthing pole one end ground connection, the other end with the article under test can dismantle the connection.
In one embodiment, the insulating container is made of polymethyl methacrylate or a methyl methacrylate material.
In one embodiment, the container is a transparent container.
In one embodiment, the inner side of the side wall of the container is provided with a scale.
In one embodiment, the clamping piece is a rotary screw rod, two ends of the rotary screw rod are respectively provided with a rotary handle and a fixed claw, the rotary screw rod is arranged on the side wall of the insulating container, the fixed claw and the rotary handle are respectively positioned at the inner side and the outer side of the insulating container, and the rotary handle is rotated to enable the fixed claw to fasten or loosen the tested object.
In one embodiment, the manual electrode comprises an insulating handle fixed at one end of the conductive rod body, and the gap and the angle between the conductive rod body and the tested object are changed by pushing, pulling and rotating the insulating handle.
In one embodiment, the medium is soil of different soil resistivity or liquid of different conductivity.
In one embodiment, the medium completely covers the manual electrode and at least partially covers the test article.
In one embodiment, one end of the grounding electrode is grounded, and the other end of the grounding electrode is provided with a clamp detachably connected with the tested object.
The utility model has the advantages that: the utility model relates to a consider heavy current ablation test sample platform and test method of medium influence, the sample can conveniently be fixed on this platform, and relevant conductive medium can be filled according to experimental needs to this platform simultaneously, and experimental true environment is restoreed to the at utmost. The test specimen table is simple to operate, convenient and reliable, data acquisition is visual and effective, the efficiency of the work is greatly improved, and the test specimen table is high in popularization.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic structural diagram of a large current ablation test specimen stage considering medium influence according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A large-current ablation test sample table considering medium influence is disclosed, as shown in fig. 1, and comprises a container assembly, a clamping assembly and an electrifying assembly, wherein the container assembly comprises an insulating container 1 for accommodating a tested product and a medium, the clamping assembly comprises a clamping piece 2 for fixing the tested product in the insulating container 1, the electrifying assembly comprises a power supply 3, a grounding electrode 4 and a manual electrode 5 connected with the power supply 3, the manual electrode 5 comprises a conductive rod body which can be arranged in the insulating container 1 in a telescopic and rotating mode, a gap is reserved between the conductive rod body and the tested product, one end of the grounding electrode 4 is grounded, and the other end of the grounding electrode is detachably connected with the tested product. The insulating container 1 is utilized to simulate a medium environment, then a large current is applied in the medium environment, the buried metal pipeline in the real medium environment of large current ablation is repeatedly etched, and the characteristics of a large current ablation test can be researched by adjusting the gap distance between an electrode and a test sample, the angle between the electrode and the test sample, media with different characteristics and other conditions.
In one of the embodiments, the insulating container 1 is made of polymethylmethacrylate (organic glass) or polymethylmethacrylate (acryl) material. The transparent insulating container 1 should have excellent insulating and corrosion-proof properties, and thus the insulating material is polymethyl methacrylate or methyl methacrylate.
In one embodiment, the insulating container 1 is a rectangular parallelepiped or cubic container.
In one embodiment, the container is a transparent container, and the transparent container is used for better observing the gap size condition of the manual electrode 5 from the tested object. In one embodiment, the inside of the side wall of the container is provided with a scale 6, wherein the inside of the side wall of the transparent insulating container 1 facing the staff can be provided with the scale 6 in millimeter level. The scale 6 is arranged on the inner side of the container, so that if the scale 6 is arranged on the outer side, the gap distance actually has an error corresponding to the scale 6 due to the refraction and reflection of light by the transparent body.
In one embodiment, the clamping member 2 is a rotary screw 9 with a rotary handle 7 and a fixed claw 8 respectively arranged at two ends, the rotary screw 9 is arranged on the side wall of the insulating container 1, the fixed claw 8 and the rotary handle 7 are respectively arranged at the inner side and the outer side of the insulating container 1, and the rotary handle 7 is rotated to fasten or loosen the fixed claw 8 on the tested object. The fixed claw 8 is convenient for fixing the section to be cut by the test tube. When the slice to be tested is measured, a worker can rotate the rotating screw 9 by holding the rotating handle 7, so that the purpose of fastening or loosening the tested object is achieved.
In order to facilitate the fixing of the metal pipe section of the tested object, in one embodiment, the clamping members 2 are provided in a pair and are respectively arranged on a pair of opposite side walls of the insulating container 1.
The staff can adjust manual electrode 5 and control the clearance distance between electrode and the sample, the angle between electrode and the sample. In one embodiment, the manual electrode 5 comprises an insulating handle 10 fixed at one end of the conductive rod, and the gap and the angle between the conductive rod and the tested object are changed by pushing, pulling and rotating the insulating handle 10.
In one embodiment, the medium is a soil of different soil resistivity or a liquid of different conductivity. In one embodiment, the medium completely covers the manual electrode 5 and at least partially covers the test article.
In one embodiment, one end of the grounding electrode 4 is grounded, and the other end is provided with a clamp detachably connected with the tested object.
The utility model also discloses a consider large current ablation test sample platform test method of medium influence, the test sample platform includes the container subassembly, clamping subassembly and circular telegram subassembly, the container subassembly includes inside insulating container 1 that holds by-product and medium, the clamping subassembly includes that the folder 2 in insulating container is fixed to the by-product, the circular telegram subassembly includes power 3, earthing pole 4 and the manual electrode 5 of connecting, manual electrode 5 includes the flexible and pivoted conducting rod body that sets up in insulating container 1, 4 one end grounds in earthing pole, the other end can be dismantled with the by-product and be connected, test method includes following step:
step 20, adjusting the gap and angle between the conductive rod body and the tested object, and then connecting the conductive rod body with the power supply 3;
step 30, injecting a medium into the insulating container 1, and then fixing the grounding electrode 4 on the tested object;
and step 40, starting a high-current burning test.
The following examples are to the utility model discloses consider the heavy current ablation test sample platform course of work of medium influence, if consider the heavy current ablation test of medium influence to a slice metal pipeline section. The method comprises the following specific steps:
(1) the test sample table (the insulating container 1) is placed on a workbench with good level, one side with scales 6 faces to a worker, the worker holds the rotary handle 7 of the clamp 2 to rotate the rotary screw 9, and the tested metal pipeline slice is fixed inside the insulating container 1. The worker then adjusts the manual electrode 5 to control the gap distance between the electrode and the test piece and the angle between the electrode and the test piece. After the position and the angle of the manual electrode 5 are set, the worker connects the manual electrode 5 with the power supply 3 (a large current generator).
(2) The insulating container 1 is filled with a suitable amount of medium (e.g. soil of different soil resistivity, liquids of different conductivity). The medium should cover most of the specimen and the entirety of the manual electrode 5. After the medium injection is completed, the worker fixes the grounding electrode 4 to the specimen by a clamp.
(3) A high current ablation test was started taking into account the effects of the medium.
The utility model has the advantages that: the utility model relates to a consider heavy current ablation test specimen platform of medium influence, the sample can conveniently be fixed on this platform, and relevant conductive medium can be filled according to experimental needs to this platform simultaneously, and experimental real environment is restoreed to the at utmost. The test specimen table is simple to operate, convenient and reliable, data acquisition is visual and effective, the efficiency of the work is greatly improved, and the test specimen table is high in popularization.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (9)
1. The large-current ablation test sample table considering the influence of media is characterized by comprising a container assembly, a clamping assembly and an electrifying assembly, wherein the container assembly comprises an insulating container for accommodating a tested product and media inside, the clamping assembly comprises a clamping piece for fixing the tested product in the insulating container, the electrifying assembly comprises a power supply, a grounding electrode and a manual electrode connected with the power supply, the manual electrode comprises a conductive rod body which is arranged in the insulating container in a telescopic and rotating mode, a gap is reserved between the conductive rod body and the tested product, one end of the grounding electrode is grounded, and the other end of the grounding electrode is detachably connected with the tested product.
2. A high current ablation test bench considering media effects as in claim 1 wherein said insulating container is made of polymethylmethacrylate or methylmethacrylate material.
3. A high current ablation test sample station taking into account media effects as in claim 1, wherein said container is a transparent container.
4. A high current ablation test specimen station in consideration of media effects as in claim 3 wherein said container sidewall is graduated on the inside.
5. A high current ablation test sample table considering medium influence according to claim 1, wherein said clamping member is a rotary screw rod having a rotary handle and a fixed jaw at both ends thereof, said rotary screw rod is disposed on a side wall of said insulating container, said fixed jaw and said rotary handle are respectively disposed on an inner side and an outer side of said insulating container, and rotating said rotary handle fastens or loosens said fixed jaw to or from said sample.
6. A high current ablation test specimen stage according to claim 1 in which said manual electrode includes an insulated handle fixed to one end of said conductive rod, and pushing and pulling and rotating said insulated handle causes the gap and angle between said conductive rod and said specimen to be varied.
7. The high current ablation test bench of claim 1, wherein the medium is soil of different soil resistivity or liquid of different conductivity.
8. A high current ablation test specimen stage in which media effects are accounted for in claim 7 wherein said media completely covers the hand electrode and at least partially covers the specimen.
9. A high current ablation test specimen stage in accordance with claim 1 in which said ground electrode is grounded at one end and has a clamp at the other end for removable attachment to said specimen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020267185.3U CN212675086U (en) | 2020-03-06 | 2020-03-06 | Large-current ablation test sample table considering medium influence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020267185.3U CN212675086U (en) | 2020-03-06 | 2020-03-06 | Large-current ablation test sample table considering medium influence |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212675086U true CN212675086U (en) | 2021-03-09 |
Family
ID=74811119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020267185.3U Active CN212675086U (en) | 2020-03-06 | 2020-03-06 | Large-current ablation test sample table considering medium influence |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212675086U (en) |
-
2020
- 2020-03-06 CN CN202020267185.3U patent/CN212675086U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9651604B2 (en) | Grounding grid breakpoint diagnostic method for transient electromagnetic method | |
Paula et al. | Experimental measurements and numerical simulation of permittivity and permeability of Teflon in X band | |
CN108445297A (en) | The monitoring method and system of Resistance of Grounding Grids | |
CN111257710A (en) | High-current ablation test sample table considering medium influence and test method | |
Caldecott et al. | Scale model studies of station grounding grids | |
CN212675086U (en) | Large-current ablation test sample table considering medium influence | |
CN112179835A (en) | Corrosion test device of direct current grounding electrode | |
CN110987786B (en) | Power transformer and metal corrosion state judgment method of support framework of power transformer | |
CN103115830A (en) | Test device for simulating influence of whole root system on shearing strength of soil | |
CN105260583B (en) | Method and system for calculating biological effect of ultra-high voltage power frequency electromagnetic field on human body | |
CN204346967U (en) | A kind of water content of soil tester based on change in resistance principle | |
CN203037540U (en) | Tester for simulating influence of whole root system on shearing strength of soil | |
CN112285435A (en) | Equivalent simulation method of high-power magnetic field radiation source | |
CN101216444A (en) | Soil pore water conductivity multi-point automatic monitoring apparatus | |
CN103531059A (en) | Teaching tool for testing faults of power cable | |
CN109459263A (en) | A kind of agricultural technology extension soil sampling apparatus | |
CN202116649U (en) | Indoor simulation device of regional cathodic protection and grounding system interference testing | |
Rusiecki | Calculations and measurements of shielding effectiveness of slotted enclosure with built-in conductive stirrer | |
CN207528839U (en) | Shielding properties tests system | |
CN102809601A (en) | Guided wave detection device | |
CN204479374U (en) | Cylindrical soil body sample preparing device in a kind of soil test | |
CN111289429A (en) | Test platform and test method for researching electrochemical corrosion influence in medium | |
CN102776518B (en) | Indoor simulating device for regional cathodic protection and grounding system interference tests | |
CN104698132A (en) | Testing method for evaluating performances of novel grounding materials | |
CN205546169U (en) | Integrative device of positive and negative amplitude -modulated pulse drive electrostatic probe and data acquisition analysis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |