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Magnetic switch for level measurement, level meter, and use thereof

A magnetic switch, liquid level measurement technology, applied in the direction of electric switch, buoy liquid level indicator, contact, etc.

Active Publication Date: 2008-03-12
TE CONNECTIVITY NORGE AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of using this reed contact or the solution corresponding to that described in US 3,103,562 is that a considerable number of contacts / switches must be used in order to obtain an economically satisfactory level measurement in tanks according to today's standards

Method used

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  • Magnetic switch for level measurement, level meter, and use thereof

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Embodiment Construction

[0020] FIG. 1 shows an embodiment of the present invention showing a magnetic switch 10 for use in a tank measuring device, such as a liquid level measuring device shown in FIG. 2 as an example. The invention can be manufactured differently than shown in the drawings.

[0021] In the illustrated embodiment, the magnetic switch 10 includes a housing 12 with an internal hermetic cavity 24 extending longitudinally within the housing 12, where the steel ball 16 is disposed at a first end 24a of the cavity 24. , arranged to move within the cavity 24 under the influence of an external magnetic floating magnet 18 connected to the liquid level measuring device 30, and here at least two contacts 20a, 20b are arranged at the other end 24b of the cavity 24, arranged to provide tight contact with said steel ball 16 . The contacts are preferably rectangular in shape and extend downward into cavity 24 .

[0022] It should be noted that although the word "steel ball" is used in this descri...

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Abstract

The invention relates to a magnetic switch (10) for level measurement of a fluid or liquid gas in a tank, such as a fuel tank, storage tank or the like in a vehicle, comprising a housing with an internal closed cavity (24) (12), the cavity extends longitudinally within the housing (12), and the body (16) is disposed at the first end (24a) of the cavity (24), adapted to pass through the mutual magnetic force of the external movable floats (18) impacted to move within the cavity (24), and at least two contacts (20a, 20b) located at the other end (24b) of the cavity (24) are arranged to provide intimate contact with said body (16), When the float (18) moves up, the contact between the body and the contacts (20a, 20b) is maintained by the magnet connection, and when the float moves down, the contacts (20a, 20b) are disconnected from the body ( 16) contact between, wherein, due to the magnetic force between the float (18) and said body (16) is stronger than the magnetic connection between contacts (20a, 20b) and said body (16), said The body (16) is pulled down. A liquid level measuring device (30) with a plurality of magnetic switches (10) and its use are also described.

Description

technical field [0001] The present invention relates to a magnetic switch for level measurement of fluid or liquid gas in a tank, such as a fuel tank, oil storage tank or the like in a vehicle, comprising a housing with an internal closed cavity in The housing extends longitudinally, where the body is disposed at a first end of the cavity for movement within the cavity by the mutual magnetic influence of external movable floats, and at least two contacts located at the other end of the cavity are arranged to provide intimate contact with said body. A liquid level measuring device with a plurality of magnetic switches and its use are also disclosed. Background technique [0002] Mention should be made of the prior art US 3,103,562 among them. This document relates to a magnetic switch for use in measuring and reporting the level of oil in a tank, where a housing with a magnetic ball is used to close an electrical connection. When the magnetic float moves, since the ball is...

Claims

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Application Information

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IPC IPC(8): G01F23/30H01H36/02G01FG01F23/72H01H1/60
CPCG01F23/72H01H1/60H01H36/02
Inventor J·吉斯梅维克
Owner TE CONNECTIVITY NORGE AS
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