CN117214631A - Method for testing surface performance of insulating material - Google Patents
Method for testing surface performance of insulating material Download PDFInfo
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- CN117214631A CN117214631A CN202311254952.1A CN202311254952A CN117214631A CN 117214631 A CN117214631 A CN 117214631A CN 202311254952 A CN202311254952 A CN 202311254952A CN 117214631 A CN117214631 A CN 117214631A
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- 238000012360 testing method Methods 0.000 title claims abstract description 176
- 239000011810 insulating material Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 238000011056 performance test Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002585 base Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Testing Relating To Insulation (AREA)
Abstract
The method for testing the surface performance of the insulating material is applied to tooling equipment for testing the surface performance of the insulating material and comprises the following steps: fixing an insulating material to be detected on the base; fixing the electric connection device at the tail part of the conductive structure; penetrating the conductive structure and the electrical connection device into the shell from the penetrating through hole, and installing and fixing the shell on the base to form a sealing test cavity; the height of the conductive structure is adjusted to enable the electric connection device to be abutted with the insulating material to be detected; grounding the test bin; and controlling a test power supply to output test voltage to one end of the conductive structure far away from the sealing test cavity so as to finish the surface performance test. The invention can conveniently test the creepage performance of different insulating materials along the surface in different environments, and has strong test repeatability.
Description
Technical Field
The invention relates to the field of electrical detection equipment, in particular to a method for testing the surface performance of an insulating material.
Background
Creepage distance is the shortest path between two conductive parts or between a conductive part and a device protection interface, measured along an insulating surface. The creepage phenomenon along the surface is very common, namely, under different use conditions, the creepage phenomenon along the surface can also occur because the insulating material around the conductor is electrically polarized, so that the insulating material is in a charged state. The generation of the creepage phenomenon along the surface reduces the effective insulation distance on one hand, so that the probability of breakdown and flashover of an insulation product is increased, an aluminum insulation joint is reduced, and on the other hand, the creepage along the surface is also likely to damage the physical structure of the insulation product, thereby affecting the mechanical property of the creepage product and generating larger potential safety hazards, so that the creepage phenomenon along the surface is required to be detected.
Along with the continuous and deep research of the material field, the problem of difficult creepage performance test along the surface of different materials is increasingly highlighted. At present, the creepage distance measurement mode of the test device is mainly adopted for the creepage test of the material, the test environment can only be in the air, and the creepage conditions of the creepage in different environments can not be tested, so that a test method capable of conveniently testing the creepage performance of the creepage of different materials in different environments is urgently needed at present.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a method for testing the surface performance of the insulating material, which can conveniently test the surface creepage performance of the insulating material in different environments.
According to an embodiment of the invention, the method for testing the surface performance of the insulating material comprises the following steps:
the tool equipment for testing the surface performance of the insulating material comprises a conductive structure, a test bin and an electric connection device; the test bin comprises a base and a shell detachably arranged on the base, and a through hole is formed in the top of the shell;
the method for testing the surface performance of the insulating material comprises the following steps:
fixing an insulating material to be detected on the base;
fixing the electric connection device at the tail part of the conductive structure;
penetrating the conductive structure and the electric connection device into the shell from the penetrating through hole, and installing and fixing the shell on the base to form a sealed test cavity, wherein one part of the conductive structure is positioned outside the sealed test cavity, and the other part of the conductive structure is positioned in the sealed test cavity;
the height of the conductive structure is adjusted to enable the electric connection device to be abutted with the insulating material to be detected;
grounding the test bin;
and controlling a test power supply to output test voltage to one end of the conductive structure far away from the sealing test cavity so as to finish the surface performance test.
According to the method for testing the surface performance of the insulating material, provided by the embodiment of the invention, at least the following gain effects are achieved:
through inserting the conductive structure into the test power supply, the electric connection device connects the conductive structure with the insulating material to be detected, the test bin composed of the base and the shell which is detachably arranged on the base can be used for placing the insulating material to be detected on the base, the through hole is penetrated at the top of the shell to fixedly stretch into the conductive structure, and then the conductive structure stretches into the penetrating through hole at the top of the test bin to form a sealed test cavity, so that the test environment can be quickly built, different gases or liquids can be filled in the sealed test cavity, the insulating medium environment to be tested can be diversified, the creepage condition of the insulating material along the surface under different environments can be detected, and various use environments can be simulated to obtain the result which is closer to the actual use environment. The method for testing the surface performance of the insulating material can conveniently test the surface creepage performance of different insulating materials in different environments, ensures that the test result is as accurate and reasonable as possible, has practical use significance, has strong test repeatability, and simultaneously has simple structure of experimental tooling equipment matched with the test result, is convenient to integrally install and disassemble, has convenient operation and low manufacturing cost, and reduces the cost of manpower and material resources.
According to some embodiments of the invention, the base comprises a base flange, a clamp; the clamp is arranged on the upper surface of the base flange;
the insulating material to be detected is fixed on the base, and the insulating material to be detected comprises the following components:
and clamping the insulating material to be detected on the clamp.
According to some embodiments of the invention, the clamp is a bolt clamp fixation structure.
According to some embodiments of the invention, the conductive structure comprises a test cable, a cable termination body, a stress cone; the test cable is provided with a first connecting end and a second connecting end;
before the tail portion of the conductive structure fixes the electrical connection device, the method further comprises:
the cable terminal main body is arranged on the test cable and is close to the first connecting end;
and the stress cone is arranged on the test cable and close to the second connecting end.
According to some embodiments of the invention, the electrical connection device comprises a terminal post and a connection fitting;
the fixing the electrical connection device at the tail of the conductive structure comprises:
crimping and fixing the binding post at the second connecting end of the test cable;
and fixing the connecting fitting at the bottom of the binding post through a bolt.
According to some embodiments of the invention, the fixing the electrical connection device at the tail of the conductive structure further includes:
and wrapping a strip at the joint of the binding post and the conductive structure.
According to some embodiments of the invention, the abutting the electrical connection device with the insulation material to be inspected comprises:
and enabling the connecting fitting to be abutted with the insulating material to be detected.
According to some embodiments of the invention, the housing comprises a barrel, a cap, a seal ring; the top cover is provided with the penetrating through hole;
the electrically conductive structure with electric connection device is followed wear to establish the through-hole and penetrate the casing, and will the casing installation is fixed in on the base in order to form sealed test chamber, include:
penetrating the test cable from the top cover and the sealing ring, wherein the top cover is arranged above the sealing ring;
the top cover is fixedly arranged on the cylinder part through bolts;
and the cylinder part is fixedly arranged on the base through bolts.
According to some embodiments of the invention, before the controlling the test power supply to output the test voltage to the end of the conductive structure remote from the sealed test chamber, further comprising:
and filling an insulating medium in the sealed test cavity, wherein the insulating medium is a liquid insulating agent or insulating gas.
According to some embodiments of the invention, the controlling the test power supply to output a test voltage to an end of the conductive structure remote from the sealed test chamber comprises:
and controlling a test power supply to output test voltage to the first connecting end of the test cable. Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flow chart of a method for insulation material in-plane performance testing according to an embodiment of the present invention;
fig. 2 is a structural diagram of a tooling device for testing the surface performance of an insulating material according to an embodiment of the present invention.
Reference numerals:
barrel 111, top cover 112, sealing ring 113, base flange 121, clamp 122, insulating medium 130,
Test cable 210, cable termination body 220, stress cone 230,
Binding post 310, connecting fitting 320, strip 330,
The insulating material 400 is inspected.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, the description of first, second, etc. is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be determined reasonably by a person skilled in the art in combination with the specific content of the technical solution.
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is apparent that the embodiments described below are some, but not all embodiments of the invention.
For a better understanding of the method for testing the performance of an insulating material along a surface of the insulating material according to the present invention, reference is made herein to fig. 2, which is a simplified illustration of a tooling device for testing the performance of an insulating material along a surface of the insulating material. The tooling equipment for testing the surface performance of the insulating material comprises a conductive structure, a test bin and an electric connection device; the test bin comprises a base and a shell which is detachably arranged on the base, the upper surface of the base is used for placing an insulating material 400 to be tested, a through hole is formed in the top of the shell, and the shell and the base are used for forming a sealed test cavity after the conductive structure stretches into the through hole in the top of the shell; the electrical connection device is disposed at one end of the conductive structure near the base, and is used for abutting against the insulation material 400 to be inspected after the conductive structure stretches into the housing.
The following describes a method for testing the surface performance of an insulating material according to an embodiment of the present invention based on the above-mentioned test fixture device.
As shown in fig. 1, an embodiment of the present invention proposes a method for testing the surface properties of an insulating material, including, but not limited to, the following steps:
fixing the insulating material 400 to be inspected on the base;
fixing an electric connection device at the tail part of the conductive structure;
penetrating the conductive structure and the electric connection device into the shell from the penetrating through hole, and installing and fixing the shell on the base to form a sealed test cavity, wherein one part of the conductive structure is positioned outside the sealed test cavity, and the other part of the conductive structure is positioned in the sealed test cavity;
adjusting the height of the conductive structure to enable the electric connection device to be abutted with the insulating material 400 to be detected;
grounding the test bin;
and controlling the test power supply to output test voltage to one end of the conductive structure far away from the sealing test cavity so as to finish the surface performance test. The insulating material 400 to be detected is placed on the base of the test bin, the electric connection device is fixed at the bottom end of the conductive structure, the conductive structure extends into the penetrating through hole in the shell of the test bin, then the base of the test bin is fixed with the shell, the test bin is grounded, and finally the height of the conductive structure is adjusted, so that the electric connection device at the bottom end of the conductive structure abuts against the insulating material 400 to be detected, and at the moment, the test fixture is installed and the insulating material 400 to be detected is placed. The insulation medium 130 is filled into the sealed bin, the conductive structure is connected with an external test power supply, then a test is started, the high voltage can enable the surface of the insulation material 400 to be tested to generate the creepage phenomenon along the surface, and the required test result can be obtained according to the applied voltage, so as to judge the creepage electric property along the surface of the insulation material 400 to be tested.
According to the method for testing the surface performance of the insulating material, the conductive structure is connected with the testing power supply, the electric connection device is connected with the conductive structure and the insulating material 400 to be tested, the insulating material 400 to be tested can be placed on the base, the conductive structure which is fixedly stretched in through holes is arranged at the top of the base, the conductive structure stretches into the through holes at the top of the testing bin to form the sealed testing cavity, so that the testing environment is quickly built, different gases or liquids can be filled in the sealed testing cavity, the testing environment of the insulating medium 130 can be more diversified, the surface creepage condition of the insulating material under different environments can be tested, multiple use environments can be simulated, and a result which is closer to the actual use environment can be obtained. The method for testing the surface performance of the insulating material can conveniently test the surface creepage performance of different insulating materials in different environments, ensures that the test result is as accurate and reasonable as possible, has practical use significance, has strong test repeatability, and simultaneously has simple structure of experimental tooling equipment matched with the test result, is convenient to integrally install and disassemble, has convenient operation and low manufacturing cost, and reduces the cost of manpower and material resources.
In some embodiments, the base includes a base flange 121, a clamp 122; the clamp 122 is arranged on the upper surface of the base flange 121;
fixing the insulating material 400 to be inspected on the base includes:
the insulation material 400 to be inspected is clamped to the clamp 122.
The clamp 122 can clamp and fix the insulating material 400 to be detected, so that deviation of test results caused by material movement in the test process is prevented, and test errors are reduced.
In some embodiments, the clamp 122 is a bolt-on securing structure. The bolt clamping and fixing can adjust the clamping distance of the clamp 122 by rotating the bolt, so that the device can be better suitable for insulating material 400 sample wafers to be detected with different sizes, and meanwhile, the bolt clamping and fixing structure is simple in disassembly and assembly, simple in structure, low in cost and convenient to produce.
In some embodiments, the conductive structure includes a test cable 210, a cable termination body 220, a stress cone 230; the test cable 210 has a first connection end and a second connection end;
before the tail part of the conductive structure is used for fixing the electric connection device, the device further comprises:
disposing the cable termination body 220 on the test cable 210 and proximate the first connection end;
a stress cone 230 is disposed on the test cable 210 and proximate the second connection end.
The cable terminal body 220 is sleeved outside the test cable 210 near the first connection end, and the stress cone 230 is sleeved outside the test cable 210 near the second connection end, so that the phenomenon of electric field concentration can be improved at the fracture of the cable insulation and insulation shielding layer at the other end.
In some embodiments, the electrical connection device includes a post 310 and a connection fitting 320;
the tail part of the conductive structure is fixedly connected with an electric connection device, which comprises:
crimping the fixing post 310 at the second connection end of the test cable 210;
the link fitting 320 is fixed to the bottom of the post 310 by a bolt.
The upper half part of the connection between the binding post 310 and the test cable 210 is tubular, and is fastened at the bottom of the test cable 210 through the crimping clamp, so that the contact resistance between the cable cell and the binding post 310 can be reduced, the loss of current is reduced, the power supply reliability is improved, and the use safety and the service life of the cable are further improved. The upper end of the connecting fitting 320 is fixed at the bottom of the binding post 310 through a bolt, so that the fixation is firm and difficult to loosen.
In some embodiments, the fixing the electrical connection device at the tail of the conductive structure further includes:
the tape 330 is wrapped around the junction of the post 310 and the conductive structure.
Wrapping the strip 330 at the junction further increases the strength and stability of the connection, avoiding loosening and falling problems during use.
In some embodiments, the tape 330 may be any one of heat shrink tubing, epoxy mud, and waterproof tape. The heat shrink tube is shrunk by heating to cover the wire and protect the tubular material thereof. The waterproof wire has a good waterproof effect, and can ensure that the wiring is not damaged in a humid environment. The waterproof plastic has high elasticity, can completely cover the required parts after shrinkage, and is tightly attached to form a perfect waterproof isolation layer. It has corrosion resistance and can well resist the erosion of acid, alkali and other corrosive substances. The high-temperature-resistant cable also has high temperature resistance, and can ensure that wiring can be well protected under a high-temperature environment. The epoxy mud has high viscosity and is easy to process, so that the epoxy mud can be processed into various shapes for packaging, sealing, insulating, fixing and the like, and has the advantages of high strength, high temperature resistance, corrosion resistance and the like. The waterproof tape provides a durable waterproof seal.
In some embodiments, abutting the electrical connection device with the insulation material 400 to be inspected includes:
the connecting fitting 320 is abutted against the insulating material 400 to be inspected.
The upper end of the connecting fitting 320 is fixed at the bottom of the binding post 310 through a bolt, so that the lower end of the connecting fitting abuts against the insulating material 400 to be detected, and then the whole experimental loop can be connected and completed, at the moment, the electric connection device is integrally connected with the insulating material 400 to be detected and the conductive structure, an external test power supply accessed from the conductive structure is provided for the insulating material 400 to be detected, and the connection reliability is ensured.
In some embodiments, the housing includes a barrel 111, a cap 112, a seal 113; the top cover 112 is provided with a through hole;
penetrating the conductive structure and the electrical connection device into the housing from the penetrating through hole, and fixing the housing on the base to form a sealed test cavity, comprising:
the test cable 210 is threaded from the top cover 112 and the sealing ring 113, and the top cover 112 is above the sealing ring 113;
the top cover 112 is fixed to the cylinder 111 by bolting;
the tube 111 is fixed to the base by bolting.
The tube part 111 has a certain height, can hold the insulating material 400 of waiting of equidimension, the top cap 112 is equipped with wears to establish the through-hole and can pass conductive structure, be provided with sealing washer 113 between top cap 112 and the tube part 111, conductive structure wears to establish from the through-hole of wearing of top cap 112 and sealing washer 113, and top cap 112 is in sealing washer 113 top, then install and be fixed in on the tube part 111 with top cap 112, sealing washer 113 suit is located between top cap 112 and tube part 111 simultaneously outside conductive structure this moment, because install fixedly between top cap 112 and the tube part 111, sealing washer 113 is pressed tightly sealed, install and be fixed in the base with tube part 111 after, form sealed test chamber in the test storehouse, conductive structure is also clamped back position after being fixed simultaneously. But the position of the clamping sealing ring 113 for fixing the conductive structure is floating, and the height of the conductive structure in the test cabin can be correspondingly adjusted by adjusting the clamped and fixed position of the conductive structure, so that the electrode spacing is flexibly changed, and the actual situation of creepage along the surface is effectively simulated. When the position of the conductive structure needs to be adjusted, the fixing structure between the top cover 112 and the barrel 111 can be detached or loosened, then the position of the conductive structure is moved to a required position, and then the fixing structure between the top cover 112 and the barrel 111 is installed or tightened. In the present stage, a mode of building a test device to measure the creepage distance is mainly adopted in the creepage test, and the problem that the distance between electrodes is not adjustable in the implementation process is solved.
In some embodiments, the cylinder 111 is provided with an air inlet structure, and different insulating mediums 130, which may be gas or liquid, can be filled into the test cavity through the air inlet structure, so as to facilitate the detection test of the creepage performance along the surface of the insulating material 400 to be tested in various environments of the insulating mediums 130. In some embodiments, the air inlet structure is an air charging hole and a hole plug, and can also be an air inlet valve.
In some embodiments, prior to controlling the test power supply to output the test voltage to an end of the conductive structure remote from the sealed test cavity, further comprising:
the sealed test cavity is filled with an insulating medium 130, and the insulating medium 130 is a liquid insulating agent or insulating gas.
The insulating medium 130 is filled to ensure the insulating strength of the inside of the sealed test cavity during the test, different insulating mediums 130 are filled to test the creepage condition along the surface under different environments, and various use scenes can be restored, so that the test result is as accurate and reasonable as possible and has practical use significance. The insulating gas can be air or sulfur hexafluoride gas, the sulfur hexafluoride gas has stable chemical property, good insulating property and arc extinction property, and is widely used insulating gas.
In some embodiments, controlling the test power supply to output a test voltage to an end of the conductive structure remote from the sealed test cavity includes:
the control test power supply outputs a test voltage to the first connection terminal of the test cable 210.
Test cable 210 as a conductive material may be connected to a test power supply.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments, and those skilled in the art will appreciate that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The method for testing the surface performance of the insulating material is characterized by being applied to tooling equipment for testing the surface performance of the insulating material, wherein the tooling equipment for testing the surface performance of the insulating material comprises a conductive structure, a test bin and an electric connection device; the test bin comprises a base and a shell detachably arranged on the base, and a through hole is formed in the top of the shell;
the method for testing the surface performance of the insulating material comprises the following steps:
fixing an insulating material to be detected on the base;
fixing the electric connection device at the tail part of the conductive structure;
penetrating the conductive structure and the electric connection device into the shell from the penetrating through hole, and installing and fixing the shell on the base to form a sealed test cavity, wherein one part of the conductive structure is positioned outside the sealed test cavity, and the other part of the conductive structure is positioned in the sealed test cavity;
the height of the conductive structure is adjusted to enable the electric connection device to be abutted with the insulating material to be detected;
grounding the test bin;
and controlling a test power supply to output test voltage to one end of the conductive structure far away from the sealing test cavity so as to finish the surface performance test.
2. The method for insulation material along-face performance testing of claim 1, wherein the base comprises a base flange, a clamp; the clamp is arranged on the upper surface of the base flange;
the insulating material to be detected is fixed on the base, and the insulating material to be detected comprises the following components:
and clamping the insulating material to be detected on the clamp.
3. The method for testing the performance of an insulating material along a surface of claim 2, wherein the clamp is a bolt-on fixture.
4. The method for insulation in-plane performance testing of claim 1, wherein the conductive structure comprises a test cable, a cable termination body, a stress cone; the test cable is provided with a first connecting end and a second connecting end;
before the tail portion of the conductive structure fixes the electrical connection device, the method further comprises:
the cable terminal main body is arranged on the test cable and is close to the first connecting end;
and the stress cone is arranged on the test cable and close to the second connecting end.
5. The method for testing the performance of an insulating material along a surface of claim 4, wherein the electrical connection device comprises a terminal post and a connection fitting;
the fixing the electrical connection device at the tail of the conductive structure comprises:
crimping and fixing the binding post at the second connecting end of the test cable;
and fixing the connecting fitting at the bottom of the binding post through a bolt.
6. The method for testing the performance of an insulating material along a surface of claim 5, wherein the attaching the electrical connection device at the tail of the conductive structure further comprises:
and wrapping a strip at the joint of the binding post and the test cable.
7. The method for testing the surface performance of an insulating material according to claim 5, wherein the abutting the electrical connection device with the insulating material to be tested comprises:
and enabling the connecting fitting to be abutted with the insulating material to be detected.
8. The method for testing the performance of an insulating material along a surface of claim 4, wherein the housing comprises a barrel, a top cover, and a sealing ring; the top cover is provided with the penetrating through hole;
the electrically conductive structure with electric connection device is followed wear to establish the through-hole and penetrate the casing, and will the casing installation is fixed in on the base in order to form sealed test chamber, include:
penetrating the test cable from the top cover and the sealing ring, wherein the top cover is arranged above the sealing ring;
the top cover is fixedly arranged on the cylinder part through bolts;
and the cylinder part is fixedly arranged on the base through bolts.
9. The method for testing the interfacial properties of an insulating material according to claim 8, further comprising, before said controlling the test power supply to output a test voltage to an end of said conductive structure remote from said sealed test chamber:
and filling an insulating medium in the sealed test cavity, wherein the insulating medium is a liquid insulating agent or insulating gas.
10. The method for testing the interfacial properties of an insulating material according to claim 4, wherein said controlling the test power supply to output a test voltage to an end of said conductive structure remote from said sealed test chamber comprises:
and controlling a test power supply to output test voltage to the first connecting end of the test cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311254952.1A CN117214631A (en) | 2023-09-26 | 2023-09-26 | Method for testing surface performance of insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311254952.1A CN117214631A (en) | 2023-09-26 | 2023-09-26 | Method for testing surface performance of insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117214631A true CN117214631A (en) | 2023-12-12 |
Family
ID=89042356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311254952.1A Pending CN117214631A (en) | 2023-09-26 | 2023-09-26 | Method for testing surface performance of insulating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117214631A (en) |
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2023
- 2023-09-26 CN CN202311254952.1A patent/CN117214631A/en active Pending
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Country or region after: China Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Applicant after: Long Cable Technology Group Co.,Ltd. Address before: No.223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha City, Hunan Province, 410205 Applicant before: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Country or region before: China |