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A hydraulic measuring device

A measuring device and hydraulic technology, applied in measuring devices, displaying liquid level indicators through pressure measurement, measuring fluid pressure, etc., can solve the problems that pressure sensors are susceptible to loss, and achieve the goal of reducing measurement errors and interference effects Effect

Active Publication Date: 2020-06-02
QINGDAO HAIER SMART TECH R & D CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a hydraulic measuring device, which aims to solve the problem that the pressure sensor is easily damaged when it is measured in a high-temperature liquid environment

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  • A hydraulic measuring device
  • A hydraulic measuring device

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Embodiment Construction

[0021] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...

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Abstract

The invention discloses a hydraulic measuring device, and belongs to the technical field of hydraulic measurement. The hydraulic measuring device comprises a cylindrical shell, wherein an opening forfeeding and discharging liquid with first specific gravity is formed in the upper portion of the shell, liquid with second specific gravity is arranged in the shell, and a pressure sensor is arrangedon the inner wall of the bottom of the shell; the whole pressure sensor is immersed in the liquid with the second specific gravity, the heat conductivity coefficient of the liquid with the second specific gravity is smaller than that of the liquid with the first specific gravity, and the second specific gravity is larger than the first specific gravity. According to the liquid level measuring device, to-be-measured liquid is isolated from the pressure sensor by adopting the liquid with the small heat conduction coefficient and the large specific gravity so that the pressure sensor can normallysense the hydraulic pressure of the measured liquid; meanwhile, the influence of high temperature of the measured liquid on the pressure sensor can be reduced, and measurement errors are reduced.

Description

technical field [0001] The invention relates to the technical field of hydraulic measurement, in particular to a hydraulic measurement device. Background technique [0002] At present, for water heating equipment such as boilers and water heaters, the liquid level of the heated water is an important parameter for the safe operation of the equipment; the liquid level measurement of some water heating equipment in the prior art is to detect the temperature of the heated water through a pressure sensor. The bottom hydraulic pressure, and then the liquid level data is obtained according to the hydraulic pressure conversion. In this measurement method, the pressure sensor as the hydraulic pressure detection component will inevitably contact the heated water. However, the conventional pressure sensor is easy to The measurement accuracy is lost, and the life is shortened; moreover, the sensitivity of the pressure sensor is further reduced due to the contamination by impurities in t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/14G01L19/04
CPCG01F23/14G01L19/04
Inventor 李刚刘朝红蓝坤
Owner QINGDAO HAIER SMART TECH R & D CO LTD