CN216012411U - Liquid level meter - Google Patents

Abstract

The utility model discloses a liquid level meter, including the body with set up in float in the body, the float includes two at least cavity floaters, each the floater is followed the axis direction of body concatenates into the floater cluster, and each other do not communicate between the floater. The utility model discloses an among the level gauge, the float adopts the mode that a plurality of floaters concatenated into the floater cluster, more is applicable to and is used for the high pressure and measures the operating mode that medium density is little.

Description

Liquid level meter

Technical Field

The utility model relates to a liquid level measuring instrument, concretely relates to level gauge.

Background

The liquid level meter is communicated with the measured container to form a communicating vessel, the liquid level inside the liquid level meter is as high as the liquid level of the measured container, and the position information of the liquid level where the floater is located is fed back by utilizing the buoyancy and magnetic coupling action of the inner floater in a measuring medium to realize liquid level measurement. The floater is used as a core component for the work of the liquid level meter, the bearing capacity to the working environment directly reflects the working performance of the liquid level meter, and the design of the floater limits the working condition parameters of the liquid level meter.

In the existing liquid level meter, the float usually adopts the shape of sphere (also called as floating ball) or cylinder, etc., the pressure resistance of the floating ball is stronger than that of the cylindrical float, but under the condition of equal diameter, the cylindrical float can adapt to the medium with low density, and in order to improve the performance of the float, the existing float design usually adopts the following measures: the pressure resistance is improved by increasing the wall thickness or replacing materials with higher strength; or the structural form of the floater is modified, such as adding reinforcing ribs inside. Although the pressure resistance of the float in the liquid level meter can be improved to a certain extent by the methods, the liquid level meter cannot meet the requirements under the conditions that high temperature and high pressure are required and the density of a measuring medium is low in some extreme application fields.

SUMMERY OF THE UTILITY MODEL

In view of the above the not enough of prior art, the utility model aims to provide a level gauge to be applicable to the high pressure and measure the operating mode that medium density is little.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

the liquid level meter comprises a pipe body and a floater arranged in the pipe body, wherein the floater comprises at least two hollow floating balls, the floating balls are connected in series along the axis direction of the pipe body to form a floating ball string, and the floating balls are not communicated with each other.

Optionally, a magnetic ring for feeding back the liquid level is arranged on one of the floating balls, an induction assembly for inducing the position of the magnetic ring is arranged outside the pipe body, the end face of the magnetic ring is perpendicular to the center line of the floating ball string, and the axis of the magnetic ring is collinear with the axis of the floating ball string.

Optionally, the sensing assembly includes a plurality of sensing switches for feeding back the liquid level through opening and closing, each of the sensing switches is distributed along the axial direction of the pipe body, and the magnetic ring is lifted along with the change of the liquid level and triggers the corresponding sensing switch to be opened or closed.

Optionally, the number of the sensing assemblies is at least two.

Optionally, a positioning step surface for positioning the magnetic ring and a pressing ring for pressing the magnetic ring on the positioning step surface are arranged in the floating ball corresponding to the magnetic ring.

Optionally, a side connecting pipe for communicating the inside of the pipe body with the inside of the container to be tested is arranged on the pipe wall of the pipe body.

Optionally, at least two side connection pipes are arranged on the pipe wall of the pipe body, and each side connection pipe is distributed along the axial direction of the pipe body.

Optionally, the side connection tube has a proximal end and a distal end, and when the tube body is in the vertical state, the axis of the side connection tube is in a direction inclined downward from the horizontal direction, and the proximal end is higher than the distal end.

Optionally, the floating ball comprises two half floating balls, and the two half floating balls form the floating ball through butt joint.

Optionally, a connecting bracket is arranged between two adjacent floating balls, the connecting bracket includes two sub-brackets, each sub-bracket is integrally formed with a corresponding half floating ball, and the two adjacent sub-brackets are connected with the corresponding floating ball through welding.

The utility model discloses an among the level gauge, the float adopts the mode that a plurality of floaters concatenated into the floater cluster, more is applicable to and is used for the high pressure and measures the operating mode that medium density is little.

Drawings

FIG. 1 is a schematic view of the external structure of the liquid level meter of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic diagram of an exemplary configuration of a float;

FIG. 4 is a schematic view of an exemplary configuration of the float ball (without the magnetic ring installed);

fig. 5 is a schematic view of an exemplary structure of the float ball (with the magnetic ring installed).

Description of reference numerals:

the pipe comprises a pipe body 1, an end flange 11 and a liquid discharge port 12;

the device comprises a floater 2, a floating ball 21, a connecting bracket 22, a semi-floating ball 211, a magnetic ring 23, a pressing ring 24 and a positioning step surface 201;

an induction component 3;

upper flange 4, air inlet 41;

a side connection pipe 5.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

The utility model discloses a level gauge, see figure 1, figure 2, figure 3, including body 1 with set up float 2 in body 1, float 2 includes two at least cavity floaters 21, and each floater 21 concatenates into the floater cluster along the axis direction of body 1, and each other does not communicate between each floater 21.

The utility model discloses an among the level gauge, the float adopts the mode that a plurality of floaters were stricken into the floater cluster, compares current cylinder formula float and has improved the compressive capacity of float, is favorable to making it be applicable to high-pressure environment, and compares current spherical float, under the constant diameter condition, more is applicable to the operating mode that measured medium density is little. When the floating ball is used for working conditions of high temperature and high pressure and low measured medium density, the floating ball can be made of high-temperature-resistant light materials such as titanium alloy.

In some embodiments, referring to fig. 1 and 2 in combination, an end flange 11 is integrally arranged at the upper end of the pipe body 1, the liquid level meter further includes an upper flange 4, the upper flange 4 is coaxially arranged above the end flange 11 through bolts, an air inlet 41 coaxially communicated with the inside of the pipe body 1 is arranged on the upper flange 4, a liquid outlet 12 is arranged at the bottom of the pipe body 1, in an actual installation process, the pipe body 1 and the end flange 11 are both located in a measured container, the upper flange 4 is located at the top of the measured container, and a top plate of the measured container is located between the upper flange 4 and the end flange 11. Compared with the mode of installing the liquid level meter on the side surface of the measured container, the liquid level meter with the structure is less prone to causing deformation of the side wall of the measured container.

In some embodiments, the floating ball is an inflatable floating ball filled with pressure-resistant gas, which is more favorable for improving the pressure resistance of the floating ball.

In some embodiments, referring to fig. 1 to 5 in combination, a magnetic ring 23 for feeding back a liquid level is disposed on one of the floating balls, an induction assembly 3 for inducing the position of the magnetic ring 23 is disposed outside the pipe body 1, an end surface of the magnetic ring 23 is perpendicular to a center line of the floating ball string, and an axis of the magnetic ring 23 is collinear with an axis of the floating ball string, so that uniform distribution of a magnetic field intensity in a circumferential direction of the magnetic field can be ensured, an error caused by spinning of the floating ball can be avoided, and the magnetic ring has a light self-weight and is more suitable for low dielectric density. The description of "the magnetic ring 23 is disposed on the floating ball 21" includes the case that the magnetic ring 23 is disposed outside the floating ball 21, and also includes the case that the magnetic ring 23 is disposed inside the floating ball 21.

In some embodiments, the sensing assembly 3 includes a plurality of sensing switches (not shown) for feeding back the liquid level by opening and closing, each of the sensing switches is distributed along the axial direction of the pipe body 1, and the magnetic ring 23 rises and falls with the change of the liquid level and triggers the corresponding sensing switch to open or close.

In actual implementation, can all correspond every inductive switch and set up in an induction circuit, make every inductive switch all be in normally closed state, when magnetic ring 23 was in a certain axial position in body 1, the state of the inductive switch who corresponds with this axial position changes, switches over to normally open state, and corresponding induction circuit switches on, realizes liquid level signal transmission.

In some embodiments, the number of the sensing elements 3 is at least two, for example, in fig. 1, the number of the sensing elements 3 is two, when the liquid level is measured, if one of the sensing elements or the circuit corresponding to the sensing element is in an abnormal state, and the measurement cannot be performed or the measurement cannot be performed correctly, the other sensing element can still feed back the liquid level signal, which is beneficial to reliably performing the liquid level measurement.

In some embodiments, referring to fig. 3 and 5 in combination, a positioning step surface 201 for positioning the magnetic ring 23 and a pressing ring 24 for pressing the magnetic ring 23 on the positioning step surface 201 are disposed in the floating ball 21 corresponding to the magnetic ring 23. In the implementation process, the magnetic ring 23 cannot be positioned by welding and the like, the positioning stepped surface 201 is arranged, the pressing ring 24 is used for pressing the magnetic ring 23 on the positioning stepped surface 201, the problem that the magnetic ring 23 is difficult to position is solved, and in the actual implementation process, the pressing ring 24 can be fixed in the corresponding floating ball 21 by spot welding and the like.

In some embodiments, referring to fig. 2, the pipe wall of the pipe body 1 is provided with a side pipe 5 for communicating the inside of the pipe body 1 with the inside of the container to be tested.

In some embodiments, referring to fig. 2, at least two side pipes 5 are disposed on the pipe wall of the pipe body 1, and each side pipe 5 is distributed along the axial direction of the pipe body 1.

In some embodiments, referring to fig. 1, the side joint pipe 5 has a proximal end and a distal end, and when the pipe body 4 is in an upright state, the axis of the side joint pipe 5 is in a direction inclined downward from the horizontal direction, and at this time, the proximal end is located at a higher position than the distal end. When fluid flows into the pipe body 1 from the side connecting pipe 5, if the side connecting pipe 5 is just positioned between the two floating balls 21, the side connecting pipe 5 is arranged obliquely downwards, so that the fluid can apply downward impact force component to the floating balls 21, and the floater 2 can be prevented from being stuck due to the impact force of the fluid under the combined action of buoyancy.

In some embodiments, referring to fig. 4, the floating ball 21 includes two half floating balls 211, and the two half floating balls 211 form the floating ball 21 by abutting, so that the floating ball 21 can form a hollow structure.

In some embodiments, referring to fig. 3, two adjacent floating balls 21 are connected into a whole by a connecting bracket 22.

Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A fluid level gauge, characterized by: the floater comprises a pipe body and a floater arranged in the pipe body, wherein the floater comprises at least two hollow floating balls, the floating balls are connected in series along the axis direction of the pipe body to form a floating ball string, and the floating balls are not communicated with each other.

2. The gauge of claim 1, wherein: the magnetic ring is used for feeding back the liquid level and arranged on one floating ball, the induction assembly used for inducing the position of the magnetic ring is arranged outside the pipe body, the end face of the magnetic ring is perpendicular to the center line of the floating ball string, and the axis of the magnetic ring is collinear with the axis of the floating ball string.

3. The gauge of claim 2, wherein: the induction assembly comprises a plurality of induction switches for feeding back liquid level through opening and closing, the induction switches are distributed along the axial direction of the pipe body, and the magnetic ring rises and falls along with the change of the liquid level and triggers the corresponding induction switches to be opened or closed.

4. The gauge of claim 2, wherein: the number of the induction components is at least two.

5. The gauge of claim 2, wherein: and a positioning step surface for positioning the magnetic ring and a pressing ring for pressing the magnetic ring on the positioning step surface are arranged in the floating ball corresponding to the magnetic ring.

6. The gauge of claim 1, wherein: and a side connecting pipe used for communicating the inside of the pipe body with the inside of the tested container is arranged on the pipe wall of the pipe body.

7. The fluid level gauge of claim 6, wherein: the pipe wall of the pipe body is provided with at least two side connecting pipes, and each side connecting pipe is distributed along the axial direction of the pipe body.

8. The fluid level gauge of claim 6, wherein: the side connecting pipe is provided with a near end and a far end, when the pipe body is in a vertical state, the axis of the side connecting pipe is in a direction inclined downwards from the horizontal direction, and the position of the near end is higher than that of the far end.

9. The gauge of claim 1, wherein: the floating ball comprises two semi-floating balls, and the two semi-floating balls form the floating ball through butt joint.

10. The fluid level gauge of claim 9, wherein: two adjacent floating balls are connected into a whole through a connecting support.

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