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Liquid level switch and liquid level control device

A liquid level switch, liquid level control technology, applied in liquid level control, transportation and packaging, non-electric variable control and other directions, can solve the problems of inaccurate measurement, signal jitter and so on

Inactive Publication Date: 2016-01-13
CHINA SHENHUA ENERGY CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, it is necessary to provide a liquid level switch to overcome the problem of inaccurate measurement or signal jitter

Method used

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  • Liquid level switch and liquid level control device
  • Liquid level switch and liquid level control device

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Embodiment Construction

[0027] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0028] In the present invention, in the absence of a contrary statement, the used ordinal words such as "first, second" are only used to describe the present invention, and cannot be used to indicate or imply relative importance or implicitly indicate the indicated The number of technical characteristics.

[0029] The invention provides a liquid level switch, such as figure 1 As shown, the liquid level switch includes a stationary part 1 and a movable part, the stationary part 1 is provided with a travel switch 11, one of the stationary part 1 and the movable part has a hollow push rod cavity, and the other One has a push rod 21 that can move relative to the p...

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Abstract

The invention discloses a liquid level switch and a liquid level control device. The liquid level switch comprises a stationary part (1) and a movable part, wherein the stationary part (1) is provided with a travel switch (11); one of the stationary part (1) and the movable part is provided with a hollow push rod cavity; the other one of the stationary part (1) and the movable part is provided with a push rod (21) capable of moving relative to the push rod cavity in a predetermined range of the push rod cavity; the movable part comprises a floating body (22) capable of floating on the liquid; the movement of the movable part is capable of actuating the travel switch (11). According to the technical scheme, the push rod (21) of the floating body liquid level switch is capable of moving in the predetermined range along the push rod cavity, so that the movement range of the movable part is limited, thereby avoiding shake or swing caused by excessively large movement range of the movable part; the problem that signals shake can be effectively overcome.

Description

technical field [0001] The present invention relates to a liquid level controller, in particular to a liquid level switch, and also to a liquid level control device. Background technique [0002] There are many places in the industrial production process that require liquid level monitoring and automatic control through liquid level controllers, such as waste water pools, sewage pools, slag water pools, and rainwater pools. When the liquid level in the pool reaches the specified level, it needs to be dealt with in time. For example, a liquid level monitor can be used to monitor the liquid level, and when the liquid level reaches the specified liquid level, the monitoring personnel will be reminded to operate to control the liquid level; of course, the pump can also be used in conjunction with the liquid level monitor to realize The liquid level is automatically controlled to maintain the liquid level within a certain range. [0003] Liquid level controllers can be divided ...

Claims

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Application Information

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IPC IPC(8): B65D90/48B65D90/00G05D9/02
Inventor 蒋灵汉刘鹏黄勉夏伟嘉
Owner CHINA SHENHUA ENERGY CO LTD
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