CN220772307U

CN220772307U - Magnetic induction scale of magnetic float liquid level meter

Info

Publication number: CN220772307U
Application number: CN202322690319.9U
Authority: CN
Inventors: 忻容荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-04-12
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses a magnetic induction scale for a magnetic float liquid level meter for displaying the liquid level height of various liquid level media in a container such as a large storage container, a spherical tank and the like, which comprises a guide groove body, wherein at least one permanent magnet sheet is hinged between two side walls of the guide groove body, the permanent magnet sheets are sequentially and linearly arranged along the length direction of the guide groove body and are all arranged on the same plane, the magnetic orientations of the permanent magnet sheets are consistent, a limiting mechanism for preventing the permanent magnet sheets from overturning at an angle of 360 degrees is arranged in the guide groove body, a first indicator is arranged on one side surface of the permanent magnet sheet, and a second indicator is arranged on the other side surface of the permanent magnet sheet. The utility model solves the technical defect that the digital display liquid level meter is easy to cause accumulated errors due to the influence of analog-to-digital conversion precision, temperature drift and the like, has good mechanical structure design and use stability of a display mode, can keep high display precision for a long time, and also completely avoids hidden danger of current and voltage detonating medium in a container, and has high use safety.

Description

Magnetic induction scale of magnetic float liquid level meter

Technical Field

The utility model relates to a liquid level measuring device, in particular to a magnetic induction scale of a magnetic float liquid level meter.

Background

For a long time, the level measurement of various liquid level mediums in containers such as large-scale storage containers, spherical tanks and the like can visually see the scales on the liquid level meter, and particularly under the condition that the liquid level is at a high level, the observation is very difficult and inaccurate.

To solve the above problems, people have started to install digital level gauges outside the large-scale storage and spherical tanks and other containers in order to more directly, rapidly and accurately read the liquid level heights of various liquid level mediums in the large-scale storage and spherical tanks and other containers.

The Chinese patent document with the authorized bulletin number 2302506 discloses a digital display liquid level meter which is technically characterized in that the position of a magnetic floater floating along with the liquid level is used for representing the height of the liquid level, and a sensing element with the corresponding height is conducted under the action of a magnetic field of the magnetic floater, so that a test circuit with corresponding scales is conducted, the liquid level value is displayed on the digital display meter. The magnetic floater conducts the magnetic induction element and the corresponding resistor thereof through magnetic induction, so as to obtain different voltage values on the series resistor, and then obtains the position of the magnetic floater through analog-to-digital conversion, and the magnetic floater has the advantages that: in the structure, the testing device is completely isolated from the liquid medium, and meanwhile, the voltage of the magnetically conducted testing circuit is less than 1 millivolt, and the current is less than 1 microampere, so that the hidden danger that the current and the voltage of the digital display testing device detonate the medium in the container is avoided in theory, and the digital display testing device is intrinsically safe. However, the digital liquid level meter still has obvious defects that hundreds of resistors are required to be connected in series in a circuit for measuring a higher liquid level, so that accumulated errors are easily caused by the influences of analog signal conversion precision, temperature drift and the like, and in addition, the magnetic induction scale can be blocked due to the damage of individual magnetic induction elements (such as the adhesion of the magnetic induction elements near the initial section of the series resistors) when the device operates.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a magnetic induction scale of a magnetic float liquid level meter in a mechanical display mode.

In order to achieve the purpose, the magnetic induction scale of the magnetic float liquid level meter comprises a guide groove body, wherein at least one permanent magnet piece is hinged between two side walls of the guide groove body, the permanent magnet pieces are sequentially and linearly arranged along the length direction of the guide groove body and are all arranged on the same plane, the magnetic orientations of the permanent magnet pieces are consistent, a limiting mechanism for preventing the permanent magnet pieces from overturning at an angle of 360 degrees is arranged in the guide groove body, a first indicator is arranged on one side surface of the permanent magnet piece, and a second indicator is arranged on the other side surface of the permanent magnet piece.

Preferably, at least one pair of through holes are correspondingly formed in the two side walls of the guide groove body, the through holes are sequentially arranged in a straight line along the length direction of the guide groove body, hinged flanges inserted into the corresponding through holes are respectively arranged on the two end faces of the permanent magnet pieces between each pair of through holes, the permanent magnet pieces are of an eccentric structure when being integrally overturned, and limiting ribs for limiting the permanent magnet pieces to be overturned at an angle of 360 degrees are further arranged on the bottom surface of the guide groove body. In the preferred scheme, the hinging structure of the permanent magnet sheet in the guide groove body is simple, and the use stability is good.

The magnetic induction scale of the magnetic float liquid level meter is characterized in that at least one permanent magnet sheet is hinged between two side walls of a guide groove body, the permanent magnet sheets are sequentially and linearly arranged along the length direction of the guide groove body and are all arranged on the same plane, the magnetic orientations of the permanent magnet sheets are consistent, when the magnetic float floats along with the liquid level, the permanent magnet sheets close to the magnetic float can turn over under the action of magnetic force, but cannot continuously turn over, and at the moment, the front side and the back side of the permanent magnet sheets are provided with obvious different indicators, so that the actual height of the magnetic float (namely the liquid level height in a container) can be obviously indicated, and people can observe the liquid level height directly and quickly conveniently; meanwhile, the magnetic induction scale of the magnetic float liquid level meter provided by the utility model has the advantages that the mechanical display mode does not have the condition that the influence of the analog/digital conversion precision, the temperature drift and the like in the electronic digital display mode is easy to cause accumulated errors, the use stability is good, the high display precision can be kept for a long time, the hidden danger of current and voltage detonating the medium in the container is completely avoided, and the high safety in the true sense is achieved.

Compared with the prior art, the magnetic induction scale of the magnetic float liquid level meter provided by the utility model has the following technical advantages:

1. the magnetic induction scale of the magnetic float liquid level meter has the advantages of simple mechanical design structure, good use stability, long-term maintenance of high display accuracy, no hidden danger of detonating the medium in the container by current and voltage, and high safety in the true sense.

2. The utility model relates to a magnetic induction scale of a magnetic float liquid level meter, which is mechanically displayed in order to facilitate people to directly and quickly observe.

Drawings

FIG. 1 is a schematic diagram of the magnetic induction scale of the magnetic float level gauge provided by the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the permanent magnet sheet of FIG. 1;

FIG. 4 is a rear view of FIG. 3;

fig. 5 is a schematic diagram of a magnetic induction scale of the magnetic float level meter according to the present utility model.

In the figure: the device comprises a guide groove body 1, a through hole 1-1, a permanent magnet sheet 2, a hinged flange 2-1, a limiting rib 3, a first indicator 4, a second indicator 5, a sealing tube 6 and a magnetic float 7.

Description of the embodiments

The utility model will be further described with reference to the drawings and examples.

As shown in fig. 1 and fig. 2, as an implementation manner of the present utility model, the magnetic induction scale of the magnetic float level gauge provided in this embodiment includes a guide groove body 1, fifteen pairs of through holes 1-1 are correspondingly provided on two side walls of the guide groove body 1, the through holes 1-1 are sequentially and linearly arranged along a length direction of the guide groove body 1, permanent magnet pieces 2 are respectively provided between each pair of through holes 1-1, two end surfaces of the permanent magnet pieces 2 are respectively provided with a hinged flange 2-1 inserted into the corresponding through holes 1-1, the permanent magnet pieces 2 are arranged on the same plane, magnetic orientations of the permanent magnet pieces 2 are consistent, each permanent magnet piece 2 has an eccentric structure when turned over, a limit rib 3 for limiting the permanent magnet pieces 2 to turn over at an angle of 360 degrees is further provided on a groove bottom surface of the guide groove body 1, as shown in fig. 3 and fig. 4, a first indicator 4 is provided on one side surface of the permanent magnet pieces 2, and a second indicator 5 is provided on the other side surface of the permanent magnet pieces 2. In actual use, the first indicator 4 and the second indicator 5 may be distinguished by different colors, different patterns, etc.

As shown in fig. 5, in the specific use of this embodiment, the guide groove body 1 is fixed in a sealing tube 6 for moving the magnetic float 7, the sealing tube 6 is connected with a container containing liquid medium, and the position of the magnetic float 7 is the height of the liquid level in the container according to the principle that the liquid level of the same liquid in different containers communicated with each other is equal. When the liquid level in the container changes, the magnetic floater 7 floats up and down on the sealing tube 6, and the permanent magnet sheet 2 close to the magnetic floater 7 overturns under the action of magnetic force, and the front and the back of the permanent magnet sheet 2 are provided with obvious indicators, so that the actual height of the magnetic floater 7 (namely the liquid level in the container) can be obviously indicated, and people can observe the liquid level directly and quickly.

Claims

1. The utility model provides a magnetic induction scale of magnetism float level gauge, includes guide slot body (1), its characterized in that: at least one permanent magnet piece (2) is hinged between two side walls of the guide groove body (1), the permanent magnet pieces (2) are sequentially and linearly arranged along the length direction of the guide groove body (1) and are all arranged on the same plane, the magnetic directions of the permanent magnet pieces (2) are consistent, a limiting mechanism for preventing the permanent magnet pieces (2) from overturning at an angle of 360 degrees is arranged in the guide groove body (1), a first indicator (4) is arranged on one side surface of the permanent magnet pieces (2), and a second indicator (5) is arranged on the other side surface of the permanent magnet pieces.

2. The magnetic induction scale of a magnetic float level gauge of claim 1 wherein: at least one pair of through holes (1-1) are correspondingly formed in the two side walls of the guide groove body (1), the through holes (1-1) are sequentially and linearly distributed along the length direction of the guide groove body (1), hinged flanges (2-1) inserted into the corresponding through holes (1-1) are respectively arranged on the two end faces of the permanent magnet pieces (2) between each pair of through holes (1-1), the permanent magnet pieces (2) are of an eccentric structure when being integrally overturned, and limiting ribs (3) for limiting the permanent magnet pieces (2) to be overturned at an angle of 360 degrees are further arranged on the bottom surface of the guide groove body (1).