A temperature measuring bracket for a power transformer
A technology for power transformers and transformers, which is applied in the parts, circuits, electrical components of transformers/inductors, etc., can solve the problems of temperature sensors sending dislocation data, staff can't find them, and the data is inaccurate.
Active Publication Date: 2021-04-23
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology
[0004] For this reason, the embodiment of the present invention provides a temperature measuring support for power transformers to solve the problems in the prior art that the fixed-point measurement of the temperature sensor leads to inaccurate data and the staff cannot find out when the temperature sensor sends misplaced data
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[0026] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0027] The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.
[0028] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "...
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The embodiment of the invention discloses a temperature measuring bracket for a power transformer, which includes a bracket claw, and the bracket jaw is equipped with an arc-shaped support through a reciprocating temperature-measuring driving mechanism, and the reciprocating temperature-measuring driving mechanism drives the arc-shaped bracket on the surface of the oil delivery pipe. Perform reciprocating circular motion in the circumferential direction, and a temperature sensor is attached to the inner surface of the arc surface support; the annular surface facing the arc surface support on the oil delivery pipe is divided into a temperature transmission semi-ring area and a temperature insulation semi-ring area; The invention enables the temperature sensor to select multiple points for measurement, which is convenient for eliminating erroneous data and calculating the average temperature; and enables the temperature sensor to measure the oil temperature in the temperature transmission half-ring area, and measure the approximate value of the outdoor normal temperature in the temperature-isolation half-ring area, By comparing the approximate value of the outdoor normal temperature with the local outdoor normal temperature, it is convenient for the staff to judge the accuracy of the temperature sensor, and when it is damaged, the staff can find and repair it in time.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of power equipment, and in particular, to a temperature measurement support for a power transformer. Background technique [0002] When the ambient temperature is high or the load is large, the heat generated by the oil-immersed self-cooling transformer cannot be quickly dissipated through the heat sink, resulting in high oil temperature and insufficient output capacity of the transformer. In order to reduce the oil temperature of the transformer, many current transformers use cooling equipment to assist in cooling the transformer. For the cooling equipment added later, most of the related sensors are clamped on the oil pipe of the transformer heat sink. Since the oil pipeline of the transformer heat sink is round, and the thermal sensor of the cooling device is a hard sheet, when the sensor is fixed on the oil pipeline, the temperature measurement is often inaccurate due to the loose ...
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IPC IPC(8): H01F27/40
CPCH01F27/402H01F2027/406
Inventor 李应光李春吴俊黄国尊刘纪堂陈斌周鹏威霍伟锋黎进光许云宇刘威萧耀华蔡勇周则儒刘建达
Owner GUANGDONG POWER GRID CO LTD