CN113064031B - Insulating paperboard electrical strength experiment electrode - Google Patents
Insulating paperboard electrical strength experiment electrode Download PDFInfo
- Publication number
- CN113064031B CN113064031B CN202110301619.6A CN202110301619A CN113064031B CN 113064031 B CN113064031 B CN 113064031B CN 202110301619 A CN202110301619 A CN 202110301619A CN 113064031 B CN113064031 B CN 113064031B
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- electrode
- chuck
- boss
- flat plate
- clamping block
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- 238000002474 experimental method Methods 0.000 title claims abstract description 9
- 239000011087 paperboard Substances 0.000 title claims description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011111 cardboard Substances 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides an insulating cardboard electrical strength experiment electrode, belongs to transformer insulating part production technical field, including dull and stereotyped electrode, round electrode, lower chuck, go up chuck and spring, dull and stereotyped electrode installation under on the chuck, round electrode installation is on last chuck, lower chuck and last chuck are articulated mutually, the spring is installed under between chuck and the last chuck. The flat electrode comprises a lower electrode bar and a flat plate, wherein the lower electrode bar is connected to the bottom of the flat plate and is communicated with a circuit to the flat plate. The round electrode comprises an upper electrode rod and a round contact, and the round contact is positioned above the flat plate and is vertical to the flat plate. The lower chuck is made of insulating materials and comprises a lower clamping block, two lugs, a lower through hole, a lower handle, a lower baffle and a lower boss, the two lugs are arranged on the rear side of the top of the lower clamping block and hinged with the upper chuck, the lower through hole is formed in the lower portion of the lower clamping block, the lower handle extends backwards from the bottom of the lower clamping block, and the lower boss is further arranged on the lower handle. The structure of the upper chuck is similar to that of the lower chuck. The spring is installed between the lower boss and the upper boss.
Description
Technical Field
The invention belongs to the technical field of production of transformer insulators, and particularly relates to an insulating paperboard electrical strength experiment electrode.
Background
The insulating part is an indispensable material in the transformer, in the manufacturing process of the transformer, the insulating part used should be subjected to a series of performance tests, only the insulating paper board with qualified test results can be made into the insulating part and used on the transformer, one of the series of performance tests of the insulating part is an electrical strength test, the test comprises the steps of firstly cutting the insulating paper board into a plurality of test sample pieces with certain sizes, carrying out necessary oil immersion treatment, using a brass electrode with the diameter of 50mm and the edge fillet radius of 2.5mm and a flat electrode to be tightly attached to two surfaces of the test sample in oil, and applying voltage to two ends of the electrode according to standard requirements for testing.
Disclosure of Invention
The invention provides an insulating paper board electrical strength experiment electrode, which aims to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
the utility model provides an insulating cardboard electrical strength experiment electrode, includes dull and stereotyped electrode, circle electrode, lower chuck, goes up chuck and spring, and dull and stereotyped electrode installation is on lower chuck, and circle electrode installation is on last chuck, and lower chuck and last chuck are articulated each other, and the spring mounting is between chuck and last chuck down.
The flat electrode comprises a lower electrode rod and a flat plate, the lower electrode rod is connected to the bottom of the flat plate and communicated with a circuit, and a sample is placed on the flat plate for testing. The round electrode comprises an upper electrode bar and a round contact, the round contact is positioned above the flat plate and is vertical to the flat plate, in order to enable the experimental result to be more accurate, the round contact is positioned above the center of the reticle, and the upper electrode bar is vertical to the round contact.
The lower chuck is made of an insulating material and comprises a lower clamping block, two lugs, a lower through hole, a lower handle, a lower baffle and a lower boss, the two lugs are arranged on the rear side of the top of the lower clamping block and hinged to the upper chuck, the lower through hole is formed in the lower portion of the lower clamping block, the lower electrode rod is mounted in the lower through hole, the lower handle extends backwards from the bottom of the lower clamping block, the lower boss is further arranged on the lower handle, and the lower boss is matched with the upper boss to mount a spring. Go up the chuck and use insulating material to make, go up the chuck and include clamp splice, monaural, go up the through-hole, go up the handle, overhead gage and go up the boss, the bottom rear side of going up the clamp splice has the monaural, the monaural is articulated with the ears, make lower chuck and last chuck can rotate mutually, the upper portion of going up the clamp splice has the through-hole, go up the electrode bar and install in last through-hole, go up the clamp splice top and extend backward and go up the handle, go up still having on hand the boss, go up the boss and be located down directly over the boss. The spring is arranged between the lower boss and the upper boss, the two chucks are always in a clamping state under the action of the spring, and correspondingly, the flat electrode and the round electrode are also always in a clamping state.
Furthermore, the flat plate is provided with a scribed line which is a square with the side length of 150mm and provides a positioning reference for placing the sample.
Furthermore, the upper electrode bar can be vertically connected with the round contact, and can also be made into a vertically integrated electrode.
Furthermore, the lower handle is provided with an upward lower baffle which keeps a certain distance from the lower electrode rod, so that the voltage breakdown air is prevented from endangering an operator or related equipment at the rear part of the lower handle.
Further, the upper handle has decurrent overhead gage, the overhead gage is corresponding with the position of baffle down, when chuck rotated mutually with lower chuck, the overhead gage played spacing effect with baffle down to the rotation of chuck, the overhead gage when contacting each other with lower baffle, two chucks just can't rotate again, protection spring on the one hand, the installation of the sample of being convenient for of on the other hand, in addition, the overhead gage still played the effect of voltage isolation with lower baffle, prevent high voltage breakdown air.
The invention has the beneficial effects that:
the invention is used for the electrical strength experiment of the insulating paper board of the transformer, the two electrodes are clamped by a group of clamping heads, the two electrodes are always attached to each other in a normal state, when a sample needs to be clamped, the two electrodes can be opened by operating a handle, and moreover, the flat plate electrode is provided with a scribed line which can assist in the clamping of the sample, so that the sample is placed under the round electrode, and the accuracy of the experiment is kept.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is an exploded view of the present invention;
in the figure: 10. the electrode comprises a flat electrode, 11 parts of a lower electrode rod, 12 parts of a flat plate, 13 parts of a reticle, 20 parts of a round electrode, 21 parts of an upper electrode rod, 22 parts of a round contact, 30 parts of a lower chuck, 31 parts of a lower clamping block, 32 parts of double lugs, 33 parts of a lower through hole, 34 parts of a lower handle, 35 parts of a lower baffle plate, 36 parts of a lower boss, 40 parts of an upper chuck, 41 parts of an upper clamping block, 42 parts of single lugs, 43 parts of an upper through hole, 44 parts of an upper handle, 45 parts of an upper baffle plate, 46 parts of an upper boss and 50 parts of a spring.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1-3, the insulated paper board electrical strength test electrode comprises a flat plate electrode 10, a round electrode 20, a lower chuck 30, an upper chuck 40 and a spring 50, wherein the flat plate electrode 10 is mounted on the lower chuck 30, the round electrode 20 is mounted on the upper chuck 40, the lower chuck 30 and the upper chuck 40 are hinged with each other, and the spring 50 is mounted between the lower chuck 30 and the upper chuck 40.
The flat plate electrode 10 comprises a lower electrode rod 11, a flat plate 12 and a reticle 13, wherein the lower electrode rod 11 is connected to the bottom of the flat plate 12 and is communicated with a circuit to the flat plate 12, a sample is placed on the flat plate 12 for testing, the reticle 13 is arranged on the flat plate 12, and the reticle 13 is a square with the side length of 150mm and provides positioning reference for placing the sample.
The round electrode 20 comprises an upper electrode bar 21 and a round contact 22, the round contact 22 is located above the flat plate 12 and perpendicular to the flat plate 12, in order to make the experimental result more accurate, the round contact 22 is located above the center of the reticle 13, the upper electrode bar 21 and the round contact 22 are perpendicular to each other, of course, the upper electrode bar 21 can be vertically connected with the round contact 22, and can also be made into a vertical integrated electrode.
The lower clamp 30 is made of an insulating material, the lower clamp 30 comprises a lower clamp block 31, two lugs 32, a lower through hole 33, a lower handle 34, a lower baffle 35 and a lower boss 36, the two lugs 32 are arranged on the rear side of the top of the lower clamp block 31, the lugs 32 are hinged with the upper clamp 40, the lower through hole 33 is formed in the lower portion of the lower clamp block 31, the lower electrode bar 11 is installed in the lower through hole 33, the lower handle 34 extends backwards from the bottom of the lower clamp block 31, the lower baffle 35 is upwards arranged on the lower handle 34, the lower baffle 35 is kept at a certain distance from the lower electrode bar 11, voltage breakdown air is prevented from endangering operators or related equipment at the rear portion of the lower handle 34, the lower boss 36 is further arranged on the lower handle 34, and the lower boss 36 is matched with an upper boss 46 to install a spring 50.
The upper chuck 40 is made of insulating material, the upper chuck 40 includes an upper clamping block 41, a single lug 42, an upper through hole 43, an upper handle 44, an upper baffle 45 and an upper boss 46, the single lug 42 is provided at the rear side of the bottom of the upper clamping block 41, the single lug 42 is hinged with the double lugs 32, so that the lower chuck 30 and the upper chuck 40 can rotate mutually, the upper part of the upper clamping block 41 is provided with the upper through hole 43, the upper electrode rod 21 is installed in the upper through hole 43, the upper handle 44 extends backwards from the top of the upper clamping block 41, the upper handle 44 is provided with a downward upper baffle 45, the upper baffle 45 corresponds to the position of the lower baffle 35, when the lower chuck 30 and the lower chuck 40 rotate mutually, the upper baffle 45 and the lower baffle 35 play a role of limiting the rotation of the chucks, when the upper baffle 45 and the lower baffle 35 contact mutually, the two chucks cannot rotate any more, on one hand, the spring 50 is protected, on the other hand, the installation of a sample is facilitated, and in addition, the upper baffle 45 and the lower baffle 35 also play a role of voltage isolation, preventing high voltage breakdown of air. The upper handle 44 also has an upper boss 46 thereon, the upper boss 46 being located directly above the lower boss 36.
The spring 50 is installed between the lower boss 36 and the upper boss 36, and under the action of the spring 50, the two chucks are always in a clamped state, and correspondingly, the flat electrode 10 and the round electrode 20 are also always in a clamped state.
The working principle of the invention is as follows: firstly, the installation of the electrode is completed according to the attached drawings, the lower electrode bar 11 and the upper electrode bar 21 are respectively connected into a circuit, the lower handle 34 and the upper handle 44 are pressed to enable the flat electrode 10 and the circular electrode 20 to be mutually opened, a cut sample which is subjected to necessary oil immersion is placed on the flat plate 12, the sample is placed under the circular electrode 20 as much as possible by means of the scribed lines 13, the two handles are loosened to enable the circular electrode 20 and the flat electrode 10 to clamp the sample, the power supply is switched on, and voltage is applied between the flat electrode 10 and the circular electrode 20 according to the test requirements until the test is completed.
The above examples mainly illustrate the electrical strength test electrode of the insulating paper board of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (5)
1. An insulating paperboard electrical strength experiment electrode comprises a flat electrode (10), a round electrode (20), a lower chuck (30), an upper chuck (40) and a spring (50), and is characterized in that the flat electrode (10) is installed on the lower chuck (30), the round electrode (20) is installed on the upper chuck (40), the lower chuck (30) and the upper chuck (40) are hinged with each other, the spring (50) is installed between the lower chuck (30) and the upper chuck (40), the flat electrode (10) comprises a lower electrode bar (11) and a flat plate (12), the lower electrode bar (11) is connected to the bottom of the flat plate (12), a circuit is communicated with the flat plate (12), a sample is placed on the flat plate (12) for testing, the round electrode (20) comprises an upper electrode bar (21) and a round contact (22), the round contact (22) is located above the flat plate (12) and vertical to the flat plate (12), and the round contact (22) is located above the center of a scribed line (13), the upper electrode rod (21) is perpendicular to the round contact (22), the lower chuck (30) is made of insulating materials, the lower chuck (30) comprises a lower clamping block (31), two lugs (32), a lower through hole (33), a lower handle (34) and a lower boss (36), the two lugs (32) are arranged on the rear side of the top of the lower clamping block (31), the two lugs (32) are hinged to the upper chuck (40), the lower portion of the lower clamping block (31) is provided with the lower through hole (33), the lower electrode rod (11) is installed in the lower through hole (33), the lower handle (34) extends backwards from the bottom of the lower clamping block (31), the lower boss (36) is further arranged on the lower handle (34), the upper chuck (40) is made of insulating materials, the upper chuck (40) comprises an upper clamping block (41), a single lug (42), an upper through hole (43), an upper handle (44) and an upper boss (46), the rear side of the bottom of the upper clamping block (41) is provided with the single lug (42), and the single lug (42) is hinged to the two lugs (32), the lower chuck (30) and the upper chuck (40) can rotate mutually, an upper through hole (43) is formed in the upper portion of the upper clamping block (41), the upper electrode rod (21) is installed in the upper through hole (43), an upper handle (44) extends backwards from the top of the upper clamping block (41), an upper boss (46) is further arranged on the upper handle (44), the upper boss (46) is located right above the lower boss (36), and the spring (50) is installed between the lower boss (36) and the upper boss (46).
2. The insulating paperboard electric strength test electrode as set forth in claim 1, wherein the flat plate (12) is provided with a score line (13), and the score line (13) is a square with a side of 150 mm.
3. The insulating paperboard electric strength experimental electrode as set forth in claim 1, characterized in that the upper electrode bar (21) and the round contact (22) are vertically connected or made into a vertically integrated electrode.
4. The insulating paperboard electric strength test electrode as set forth in claim 1, wherein the lower handle (34) is provided with an upward lower baffle (35).
5. The insulating paperboard electric strength test electrode as set forth in claim 4, wherein the upper handle (44) has a downward upper baffle (45), and the upper baffle (45) corresponds in position to the lower baffle (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301619.6A CN113064031B (en) | 2021-03-22 | 2021-03-22 | Insulating paperboard electrical strength experiment electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301619.6A CN113064031B (en) | 2021-03-22 | 2021-03-22 | Insulating paperboard electrical strength experiment electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113064031A CN113064031A (en) | 2021-07-02 |
| CN113064031B true CN113064031B (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110301619.6A Active CN113064031B (en) | 2021-03-22 | 2021-03-22 | Insulating paperboard electrical strength experiment electrode |
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| CN (1) | CN113064031B (en) |
Citations (9)
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| CN201804025U (en) * | 2010-09-01 | 2011-04-20 | 麦可罗泰克（常州）产品服务有限公司 | 50kV high-voltage fixture for tests of electrical strength of insulating materials |
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-
2021
- 2021-03-22 CN CN202110301619.6A patent/CN113064031B/en active Active
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| JP2017022841A (en) * | 2015-07-09 | 2017-01-26 | タツタ電線株式会社 | Terminal connection jig for withstand voltage test of power cable |
| CN105548835A (en) * | 2015-12-14 | 2016-05-04 | 中国海洋石油总公司 | Dielectric strength testing device |
| CN205880000U (en) * | 2016-08-04 | 2017-01-11 | 成都西南交大机电设备有限公司 | Passenger train electric connector test bench |
| CN207007988U (en) * | 2017-05-24 | 2018-02-13 | 河南平高通用电气有限公司 | Insulating materials Hi-pot test frock |
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| CN212586428U (en) * | 2020-06-28 | 2021-02-23 | 圣耀（集团）有限公司 | Electrode clamp for withstand voltage test of insulating operating rod |
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| CN113064031A (en) | 2021-07-02 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An Electrical Strength Experiment Electrode for Insulated Paperboard Effective date of registration: 20231027 Granted publication date: 20220902 Pledgee: Chongren Sub branch of Jiujiang Bank Co.,Ltd. Pledgor: JIANGXI GANDIAN ELECTRIC Co.,Ltd. Registration number: Y2023980063235 |
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