CN-121995184-A - Integral electric-resistant electrode device for insulating protective clothing and testing method thereof

Abstract

The application provides an integral electric-resistant electrode device for insulating protective clothing and a testing method thereof, and relates to the technical field of testing. The bearing base is a bearing base of the whole electric-resistant electrode device for insulating protective clothing, and the top of the bearing base is provided with an insulating positioning seat. The clothes hanger type composite electrode assembly is fixed on the bearing base through the insulating positioning seat. The flexible grounding electrode layer is attached to the outer surface of the insulating protective clothing. The application realizes the integral accurate test of the insulating protective clothing, in particular to the insulating protective clothing comprising a connecting section through a composite electrode structure, an arc chamfer design and an adjustable mechanism. The dead angle-free coverage of the key connecting section is realized, the defect of the traditional flat plate electrode missing detection connecting section is solved, and the test integrity is remarkably improved. Effectively inhibit the interference of the sliding flash discharge, reduce the false judgment rate of the sliding flash to below 0.5%, and greatly improve the test precision. The adaptation range covers the specification of the existing main stream protective clothing, so that the adaptation and the testing efficiency are optimized well, and the structural stability is excellent.

Inventors

• YANG LIUQING
• Dong deyang
• WANG ZIHENG
• YANG JIZHENG
• WANG ZHONGYU
• GAO SIMING
• XING WEI
• CHI XIAOHONG
• Jing Runtao
• HAN RUIHUI
• WEI CHUNMING
• ZHANG DEWEN
• QU ZHONGZHI
• TAN LONG
• SHENG JIE
• XU CHAO

Assignees

• 西安交通大学
• 国网黑龙江省电力有限公司电力科学研究院

Dates

Publication Date

20260508

Application Date

20260202

Claims (10)

1. 1. An integral electrical resistance test electrode assembly for insulated protective clothing, comprising: The bearing base (1) is a bearing foundation of the integral electric-resistant electrode device for the insulated protective clothing, and the top of the bearing base is provided with an insulated positioning seat (2); The clothes hanger type composite electrode assembly (3) is fixed on the bearing base (1) through the insulating positioning seat (2) and is used for being attached to the inner surface of the insulating protective clothing to form a high-voltage side electric field; a flexible grounding electrode layer (4) which is attached to the outer surface of the insulating protective clothing and is used for forming a closed electric field loop with the clothes hanger type composite electrode assembly (3) in operation; The clothes hanger type composite electrode assembly (3) comprises a plurality of electrode units, each electrode unit comprises a rigid supporting framework (35) and a flexible conducting layer (34) coated on the surface of the rigid supporting framework (35), and the rigid supporting framework (35) is used for rigidly supporting the flexible conducting layer (34) so that each electrode unit is attached to the inner surface of the insulating protective clothing to form a high-voltage side electric field.
2. 2. The integrated electrical resistance electrode device for insulated protective clothing according to claim 1, wherein a plurality of the electrode units include a shoulder electrode (31), a trunk electrode (32), and a sleeve electrode (33); The connecting parts of the shoulder electrode (31) and the sleeve electrode (33) and the connecting parts of the trunk electrode (32) and the shoulder electrode (31) are respectively provided with an arc chamfer structure (36) with the diameter of R3-R5 mm.
3. 3. The integral electric-resistant electrode device for insulation protective clothing according to claim 1, wherein the rigid supporting framework (35) is made of aviation aluminum alloy material, and the aviation aluminum alloy material is subjected to anodic oxidation treatment so that the surface resistivity of the rigid supporting framework (35) is more than or equal to 1012 Ω & cm; Arc transition chamfers with the radius of 5-15mm are arranged at the joints of the shoulders of the rigid support framework (35) and the sleeves and at the joints of the trunk and the shoulders, and the curvature of the arc transition chamfers is matched with the movement track of the joints of the human body so as to avoid the rigid support framework (35) from forming point contact with the connecting section of the protective clothing; the flexible conductive layer (34) is made of silver-plated conductive cloth, the thickness of the silver-plated conductive cloth is 0.1-0.3mm, the surface resistance is less than or equal to 1 ohm/cm, and the bonding gap between the flexible conductive layer (34) and the rigid supporting framework (35) is less than or equal to 0.1mm.
4. 4. The integral electrical resistant electrode device for insulated protective clothing according to claim 3, wherein the hanger type composite electrode assembly (3) further comprises a conductive bonding layer (37), the conductive bonding layer (37) is a gold anisotropic conductive adhesive layer, and the flexible conductive layer (34) is tightly bonded with the rigid supporting framework (35) through the conductive bonding layer (37) without bubble gaps; Gold wires with the diameter of 20-40 mu m are embedded in the gold wire anisotropic conductive adhesive layer and are arranged at intervals of 0.05-0.1mm, so that the flexible conductive layer (34) and the whole domain of the rigid supporting framework (35) are conducted in a low-impedance mode.
5. 5. The integral electrical resistance testing electrode device for insulation protective clothing according to claim 4, wherein the shoulder electrode (31) is of a nested telescopic sleeve structure, positioning pins (311) are arranged between sleeves, and the telescopic adjustment range of the nested telescopic sleeve structure is 300-500mm; The sleeve electrode (33) is connected with the shoulder electrode (31) through a damping rotary joint, and the range of the rotation angle is set to be 0-180 degrees so as to adjust the width of the shoulder and the unfolding angle of the sleeve and further adapt to insulating protective clothing with different sizes; The telescopic sleeve and the damping rotary joint are both provided with electric field compensation bosses, and the radian of each electric field compensation boss is consistent with that of the arc transition chamfer, so that the electric field uniformity error of the regulated electrode surface is less than or equal to 5%.
6. 6. The integral electric-resistant testing electrode device for insulation protective clothing according to claim 1, wherein the flexible grounding electrode layer (4) is of a double-layer structure, wherein an inner layer is silver-plated conductive cloth (41), an outer layer is a silicon rubber insulating layer (42), the thickness of the inner layer is 0.1-0.15mm, the thickness of the outer layer is 0.2-0.3mm, an anti-slip texture is arranged on the surface of the outer layer, and the depth of the anti-slip texture is 0.05-0.1mm; The area of the flexible grounding electrode layer (4) is 5% -10% larger than the coating area of the electrode unit in the clothes hanger type composite electrode assembly (3).
7. 7. The integral electrical resistant electrode device for insulation protective clothing according to claim 1, wherein the rigid supporting frame (35) is integrally welded and formed, and wherein the welded joint is polished so that the surface roughness Ra is less than or equal to 0.8 μm.
8. 8. The integral electric-resistant electrode device for insulation protective clothing according to claim 2, wherein a fold structure is arranged at the movable connection part of the shoulder electrode (31) and the sleeve electrode (33), and the fold extension of the fold structure is more than or equal to 50mm, so that the respective conductive layers of the shoulder electrode (31) and the sleeve electrode (33) are always attached to the inner surface of the insulation protective clothing during adjustment.
9. 9. The integral electrical resistance testing electrode device for insulating protective clothing according to claim 1, wherein the material of the insulating positioning seat (2) comprises an epoxy resin material, and a high-voltage lead (5) is embedded in the epoxy resin material; A sealing insulating sleeve (6) is arranged at the connection point of the high-voltage lead (5) and the rigid supporting framework (35); the sealing insulating sleeve (6) is made of fluororubber, and the withstand voltage of the fluororubber is more than or equal to 100kV.
10. 10. A test method, characterized in that it is applied to the integral electrical withstand test electrode device for insulated protective clothing according to any one of claims 1 to 9, comprising: According to the size of the insulating protective clothing to be tested, the clothes hanger type composite electrode assembly (3) is adjusted to enable the outline of each electrode unit to be matched with the wearing shape of the insulating protective clothing; The insulating protective clothing is sleeved on the clothes hanger type composite electrode assembly (3), so that the flexible conductive layer (34) is tightly attached to the inner surface of the insulating protective clothing; uniformly covering the flexible grounding electrode layer (4) on the outer surface of the insulating protective clothing, and fixing the edge position by using an insulating adhesive tape so that the flexible conductive layer (34) is not displaced; One end of a grounding wire is connected with the conductive end of the flexible grounding electrode layer (4), the other end of the grounding wire is connected with the grounding terminal of the bearing base (1), and the grounding resistance is less than or equal to 0.1 omega; Connecting a high-voltage lead (5) to the rigid supporting framework (35), electrifying to perform a boosting test, and monitoring the leakage current change of the insulating protective clothing in real time; If the leakage current is increased to more than 10mA in the preset time in the test process, judging that the insulating protective clothing is broken down; If the leakage current is stable and less than or equal to 1mA in the continuous withstand voltage time in the test process, judging that the insulating protective clothing is qualified; And after the test is finished and the pressure is reduced, taking down the insulating protective clothing, cleaning the clothes hanger type composite electrode assembly (3), and adjusting the clothes hanger type composite electrode assembly (3) to an initial position.

Description

Integral electric-resistant electrode device for insulating protective clothing and testing method thereof Technical Field The application relates to the technical field of testing, in particular to an integral electric-resistant electrode device for insulating protective clothing and a testing method thereof. Background The insulating protective clothing is core equipment for guaranteeing personnel safety in a high-voltage operation scene, and the joint, the sleeve opening, the clothing body connection and other connecting sections are often insulating weak links due to process characteristics. The conventional insulation protective clothing electrical resistance testing device mainly has the defects that firstly, a testing electrode is of a flat plate or a simple columnar structure, cannot be attached to the outline of a human body, is incomplete in coverage of a connecting section and is prone to weak points to be missed in detection, secondly, the electrode connecting part is of a sharp structure, local electric field concentration is prone to occur during testing, sliding flashover discharge is caused, the insulation protective clothing breakdown is misjudged, the testing accuracy is reduced, thirdly, the electrode size is fixed, the insulation protective clothing with different sizes cannot be adapted, the electrode needs to be replaced frequently, and the testing efficiency is low. Disclosure of Invention In view of the above problems, the present application provides an overall electrical resistance testing electrode device for insulation protective clothing and a testing method thereof, so as to overcome the defects of the prior art. In a first aspect, an embodiment of the present application provides an integral electrical resistance testing electrode device for insulating protective clothing, including: the bearing base is a bearing foundation of the integral electric-resistant electrode device of the insulated protective clothing, and the top of the bearing base is provided with an insulated positioning seat; The clothes hanger type composite electrode assembly is fixed on the bearing base through the insulating positioning seat and is used for being attached to the inner surface of the insulating protective clothing to form a high-voltage side electric field; The flexible grounding electrode layer is attached to the outer surface of the insulating protective clothing and is used for forming a closed electric field loop with the clothes hanger type composite electrode assembly in operation; The clothes hanger type composite electrode assembly comprises a plurality of electrode units, wherein each electrode unit comprises a rigid supporting framework and a flexible conducting layer coated on the surface of the rigid supporting framework, and the rigid supporting framework is used for rigidly supporting the flexible conducting layer, so that each electrode unit is attached to the inner surface of the insulating protective clothing to form a high-voltage side electric field. Optionally, the plurality of electrode units comprise shoulder electrodes, trunk electrodes and sleeve electrodes; the connection parts of the shoulder electrode and the sleeve electrode and the connection parts of the trunk electrode and the shoulder electrode are respectively provided with an arc chamfer structure of R3-R5 mm. Optionally, the rigid support framework is made of aviation aluminum alloy material, and the aviation aluminum alloy material is anodized so that the surface resistivity of the rigid support framework is more than or equal to 1012 Ω & cm; arc transition chamfers with the radius of 5-15mm are arranged at the joints of the shoulder parts and the sleeves and the joints of the trunk and the shoulder parts of the rigid support framework, and the curvature of the arc transition chamfers is matched with the movement track of the joints of the human body so as to avoid the rigid support framework from forming point contact with the connecting section of the protective clothing; The flexible conductive layer is made of silver-plated conductive cloth, the thickness of the silver-plated conductive cloth is 0.1-0.3mm, the surface resistance is less than or equal to 1 omega/cm, and the bonding gap between the flexible conductive layer and the rigid supporting framework is less than or equal to 0.1mm. Optionally, the clothes hanger type composite electrode assembly further comprises a conductive bonding layer, wherein the conductive bonding layer is a gold wire anisotropic conductive adhesive layer, and the flexible conductive layer is tightly bonded with the rigid support framework through the conductive bonding layer without bubble gaps; gold wires with the diameter of 20-40 mu m are embedded in the gold anisotropic conductive adhesive layer and are arranged at intervals of 0.05-0.1mm, so that the flexible conductive layer and the whole domain of the rigid supporting framework are conducted in a low-impedance mode.