Automatic constant temperature insulating oil dielectric strength tester

A technology of dielectric strength and insulating oil, which is applied in the field of automatic constant temperature insulating oil dielectric strength tester, which can solve the problems of inability to adjust or control the sample temperature, inaccurate test results, and low test results, so as to shorten the balance time , easy to use, improve the effect of heat utilization

Active Publication Date: 2018-10-19
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The temperature of the tested sample has a direct impact on the dielectric strength test of insulating oil, too high or too low temperature will lead to low test results
The regulations require that the test temperature should be between 15 and 20°C. The existing test equipment cannot adjust or control the temperature of the sample. For samples with too high or too low temperature, they can only be placed indoors for a long time to make their temperature Close to room temperature, resulting in inaccurate test results and low work efficiency

Method used

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  • Automatic constant temperature insulating oil dielectric strength tester
  • Automatic constant temperature insulating oil dielectric strength tester
  • Automatic constant temperature insulating oil dielectric strength tester

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Embodiment Construction

[0034] Such as Figure 1-4 As shown, the present invention includes a container device 2 for holding insulating oil 1, a temperature control heating device 3 arranged under the container device 2, and an electric control system;

[0035] The container device 2 includes a glass vessel 5 for containing the insulating oil 1 and a central concave platform 8 arranged at the bottom of the glass vessel 5 and protruding upward;

[0036] The temperature control heating device 3 comprises an insulating oil-proof shell 18 for placing glassware 5, a base 14 arranged below the insulating oil-proof shell 18, a hollow oil-proof insulating box 15 in the insulating oil-proof shell 18 and a set The heating coil 16 in the hollow oil-proof insulating box 15; the hollow oil-proof insulating box 15 is a material with good thermal conductivity, such as metal or glass; a test electrode is arranged in the glass vessel 5;

[0037] The electric control system includes a heating module 24, an upper limi...

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Abstract

The invention relates to an automatic constant-temperature insulating oil dielectric strength tester, and the tester comprises a container device for storing insulating oil, a temperature control heating device disposed below the container device, and an electric control system. The container device comprises a glass ware for storing the insulating oil, and a central recessed platform which is disposed at the bottom of the glass ware and is bulged upwards. The tester is reasonable in structure, is convenient to use, is low in cost, saves energy, reduces the power consumption, is intelligent in control, and is suitable for large-scale popularization.

Description

technical field [0001] The invention relates to an automatic constant temperature insulating oil dielectric strength tester. Background technique [0002] The temperature of the tested sample has a direct impact on the dielectric strength test of insulating oil. Too high or too low temperature will lead to low test results. The regulations require that the test temperature should be between 15 and 20°C. The existing test equipment cannot adjust or control the temperature of the sample. For samples with too high or too low temperature, they can only be placed indoors for a long time to make their temperature Close to room temperature, resulting in inaccurate test results and low work efficiency. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an automatic constant temperature insulating oil dielectric strength tester with reasonable design, compact structure and convenient use. [0004] In order to solve the pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/16
CPCG01R31/16
Inventor 张宝全高文涛于娟刘利琴刘慧娴关睿
Owner STATE GRID CORP OF CHINA
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