Temperature indicator segmentation compensating device

A compensating device and indicator technology, applied to thermometers, thermometer parts, measuring devices, etc., can solve the problems of increasing measurement errors and unable to completely eliminate ambient temperature errors, reduce temperature measurement errors, and facilitate popularization and application , easy-to-make effects
CN101608952AActive Publication Date: 2009-12-23杭州科宏仪器仪表有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
杭州科宏仪器仪表有限公司
Publication Date
2009-12-23

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Abstract

The invention discloses a temperature indicator segmentation compensating device which comprises a temperature pointer (1), a compensation system and a Bourdon tube (3), wherein the compensation system consists a compensation strip i (2) and a compensation strip ii (4); the revolving shaft of the compensation system is fixedly connected with that of the temperature pointer (1); the compensation strip ii (4) is coaxially connected below the compensation strip i (2); a push rod (5) is arranged below the compensation strip ii (4); and the Bourdon tube (3) is arranged below the push rod (5). The compensation strip ii is arranged coaxially to the compensation strip I, and an eccentricity is arranged between the revolving shaft of the push rood and that of the compensation system and the temperature pointer, or a track groove plate or a cam plate is arranged to limit the rotating track of the push rod so as to realize segmentation compensation of temperature. The temperature indicator is effectively compensated by the segmentation compensating device, thus further reducing the temperature detection error; in addition, the compensating device has simple structure, easy manufacture and low cost, and is beneficial to popularization and application.
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Description

technical field

[0001] The invention relates to a temperature compensating device for a temperature indicator, in particular to a temperature compensating device capable of section compensation. Background technique

[0002] Transformers, especially large power transformers, will generate a lot of heat during work, causing the internal temperature of the transformer to rise. When the temperature is too high, it is easy to cause accidents. Therefore, a temperature measuring device is often equipped to monitor the internal temperature of the transformer. . The temperature measuring devices currently used are all inserted into the top of the transformer oil tank through a probe. The internal pressure of the liquid or gas in the probe changes due to temperature changes, and is transmitted to the multi-turn Bowden tube through the capillary tube, causing the axis of the multi-turn Bowden tube to rotate. The temperature is indicated by the pointer on the dial. Since the capillar...

Claims

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