Flexible magnetostrictive liquid level meter

Abstract

The utility model relates to the technical field of magnetostrictive liquid level meters, and discloses a flexible magnetostrictive liquid level meter which comprises a meter head, the bottom of the meter head is fixedly connected with a protective tube and a flexible cable, the bottom end of the flexible cable is fixedly connected with a weight, the outer wall of the flexible cable penetrates through and is in sliding connection with a floater, and the floater is fixedly connected with the protective tube. A fixing ring is fixedly connected to the outer wall of the protection pipe, a connecting column is fixedly connected to the rear side of the fixing ring, a mounting area is arranged on the rear side of the fixing ring, a mounting pipe is fixedly connected to the front side of the mounting area, a limiting column penetrates through and is slidably connected to the middle of the connecting column, and a spring penetrates through and is arranged in the middle of the connecting column. One end of the spring is fixedly connected with the outer wall of the limiting column. According to the utility model, the connecting column is inserted into the mounting pipe which is arranged in the mounting area in advance until the limiting column is popped up by the spring, and at the moment, the limiting column is inserted into the opening of the mounting pipe for limiting, so that the mounting is completed simply and quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetostriction liquid level meter technical field, concretely is a kind of flexible magnetostriction liquid level meter. BACKGROUND

[0002] Magnetostriction liquid level meter is a kind of instrument for measuring liquid height, it utilizes magnetostriction effect, determines liquid level height by measuring the length change of magnetic material in magnetic field, this kind of liquid level meter is often used in industrial process control, especially in the medium corrosion is bigger, temperature is higher, pressure is bigger environment.

[0003] Flexible magnetostriction liquid level meter is a kind of special type of liquid level meter for measuring liquid height, compared with traditional magnetostriction liquid level meter, flexible magnetostriction liquid level meter uses flexible magnetic material, so that it is suitable for the liquid level measurement in curved surface or irregular container, working principle is similar to ordinary magnetostriction liquid level meter, but uses flexible magnetic material, more suitable for responding to irregular container shape and curved surface measurement demand, this makes flexible magnetostriction liquid level meter suitable for various different shape liquid storage container, including oval, cross section irregular container etc.

[0004] The existing flexible magnetostriction liquid level meter has the following problems: when installing flexible magnetostriction liquid level meter, flange connection installation or threaded connection installation is usually needed, however, these installation methods are more cumbersome, so that the installation efficiency is lower, in view of the above problems, therefore, a flexible magnetostriction liquid level meter is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of flexible magnetostriction liquid level meter, solve the problem of lower installation efficiency due to the installation method of flexible magnetostriction liquid level meter being more cumbersome in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of flexible magnetostriction liquid level meter, including meter head, the meter head bottom is fixedly connected with protection pipe, the meter head bottom is fixedly connected with flexible cable, the flexible cable bottom end is fixedly connected with weight, the flexible cable outer wall is connected with float with sliding through, the protection pipe outer wall is fixedly connected with fixed ring, the fixed ring rear side is fixedly connected with connecting column, the fixed ring rear side is provided with installation area, the installation area front side is fixedly connected with installation pipe, the connecting column middle is connected with limit post with sliding through and is penetrated, the connecting column middle is penetrated and is provided with spring, and spring one end is fixedly connected with the limit post outer wall, the float bottom is provided with counterweight assembly.

[0007] By adopting the above technical scheme, connecting column is inserted into installation pipe that is previously set on installation area, spring pops out limit post, and limit post is inserted into the opening of installation pipe for limiting.

[0008] As a further description of the above technical solution: the counterweight assembly includes a connecting ring, the connecting ring is fixedly connected with the bottom of the float, the bottom of the connecting ring penetrates and is threadedly connected with a counterweight block, and the bottom of the counterweight block is fixedly connected with a threaded ring.

[0009] By adopting the above technical solution, the specific gravity of the float is changed by the counterweight assembly.

[0010] As a further description of the above technical solution: a wire is penetrated and arranged in the middle of the flexible cable, and a waveguide wire is arranged on the outer wall of the wire.

[0011] By adopting the above technical solution, when the current pulse propagates in the waveguide wire, a magnetic field is generated, the float moves with the rise and fall of the liquid level, the magnet in the float interacts with the magnetic field of the waveguide wire to generate a torsional wave, and the torsional wave propagates back to the detection device along the waveguide wire. The liquid level height is determined by detecting the time difference between the pulse current and the torsional wave.

[0012] As a further description of the above technical solution: the inner wall of the connecting ring is fixedly connected with uniformly distributed brushes, and the brushes cooperate with the outer wall of the flexible cable.

[0013] By adopting the above technical solution, the brushes remove the dirt on the outer wall of the flexible cable.

[0014] As a further description of the above technical solution: a guide block is fixedly connected to the front end of the mounting pipe, and symmetrically distributed guide grooves are formed in the middle of the guide block.

[0015] By adopting the above technical solution, the guide grooves keep the device perpendicular to the interface.

[0016] As a further description of the above technical solution: a slot is formed in the middle of the guide groove.

[0017] By adopting the above technical solution, the slot is arranged at the deepest part of the guide groove.

[0018] As a further description of the above technical solution: guide columns are fixedly connected to the positions on both sides of the connecting column at the rear side of the fixed ring, and the guide columns cooperate with the guide groove and the slot.

[0019] By adopting the above technical solution, the guide column slides in the guide groove and is inserted into the slot.

[0020] As a further description of the above technical solution: a magnetic ring is penetrated and fixedly connected in the middle of the float.

[0021] By adopting the above technical solution, the magnetic ring interacts with the magnetic field of the pulse current to generate a torsional wave pulse, thereby realizing the measurement of the liquid level.

[0022] Compared with the prior art, the utility model have the advantages that:

[0023] 1、The utility model provides a flexible magnetostriction liquid level meter, through the mutual matching of connecting column, installation pipe, spring and limit post, the connecting column is inserted into the installation pipe of the installation area in advance, until the spring pops out the limit post, the limit post is inserted into the opening of the installation pipe and is limited at this moment, the installation of the flexible magnetostriction liquid level meter is completed, and it is simple and fast.

[0024] 2、The utility model provides a flexible magnetostriction liquid level meter, through the mutual cooperation of the float, the connecting ring and multiple counterweight blocks, multiple counterweight blocks are connected with each other through the thread ring and are installed at the bottom of the connecting ring, so that the specific gravity of the float is changed, so that the liquid level measurement requirement of different medium is satisfied, and the applicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure perspective of the utility model;

[0026] Figure 2 It is the guide block schematic view of the utility model;

[0027] Figure 3 It is the waveguide wire schematic view of the utility model;

[0028] Figure 4 It is the connecting ring schematic view of the utility model;

[0029] Figure 5 It is the limit post schematic view of the utility model.

[0030] In the drawing: 1, table head;2, protection pipe;3, fixed ring;4, flexible cable;5, float;6, weight block;7, installation area;8, installation pipe;9, guide block;10, guide groove;11, slot;12, wire;13, waveguide wire;14, connecting ring;15, counterweight block;16, thread ring;17, brush;18, limit post;19, spring;20, connecting column;21, guide column. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings.

[0033] In combination Figure 1 And Figure 5 , a flexible magnetostriction liquid level gauge, including the meter 1, the meter 1 bottom fixedly connected with the protection tube 2, the meter 1 bottom fixedly connected with the flexible cable 4, the flexible cable 4 bottom fixedly connected with the weight 6, the flexible cable 4 outer wall through and slidingly connected with the float 5, the protection tube 2 outer wall fixedly connected with the fixed ring 3, the fixed ring 3 rear side fixedly connected with the connecting column 20, the fixed ring 3 rear side is provided with the installation area 7, the installation area 7 front side fixedly connected with the installation pipe 8, the connecting column 20 is inserted into the installation pipe 8, and installation operation is carried out, the connecting column 20 middle through and slidingly connected with the limiting column 18, the limiting column 18 is inserted into the opening of the installation pipe 8 and is limited, the connecting column 20 middle through and is provided with the spring 19, and one end of the spring 19 is fixedly connected with the limiting column 18 outer wall, the spring 19 pops out the limiting column 18 and is limited, the float 5 bottom is provided with the counterweight assembly.

[0034] In combination Figure 4 , the counterweight assembly includes the connecting ring 14, the connecting ring 14 is fixedly connected with the float 5 bottom, the connecting ring 14 bottom through and is screwed with the counterweight 15, the counterweight 15 bottom fixedly connected with the threaded ring 16, the counterweight 15 is installed in the connecting ring 14 through the threaded ring 16, and multiple counterweights 15 can also be connected with each other.

[0035] In combination Figures 1-4 , the flexible cable 4 middle through and is provided with the wire 12, the wire 12 outer wall is provided with the waveguide wire 13, when the current pulse propagates in the waveguide wire 13, a magnetic field is generated, the float 5 moves along with the liquid level, the magnet in the float 5 interacts with the magnetic field of the waveguide wire 13, and a torsional wave is generated. The torsional wave propagates back to the meter 1 along the waveguide wire 13, the time difference between the pulse current and the torsional wave is detected to determine the liquid level height, the connecting ring 14 inner wall is fixedly connected with the uniformly distributed brush 17, and the brush 17 is matched with the flexible cable 4 outer wall, the connecting ring 14 moves to drive the brush 17 to move, and the brush 17 removes the dirt on the flexible cable 4 outer wall, the installation pipe 8 front end is fixedly connected with the guide block 9, the guide block 9 middle is provided with the symmetrically distributed guide slot 10, the guide slot 10 makes the device and the interface keep perpendicular, ensures the accuracy of measurement, the guide slot 10 middle is provided with the insertion slot 11, the insertion slot 11 is arranged at the deepest part of the guide slot 10, the guide column 21 is inserted into the insertion slot 11, so that the connecting column 20 can be smoothly inserted into the installation pipe 8, the fixed ring 3 rear side is fixedly connected with the guide column 21 at both sides of the connecting column 20, and the guide column 21 is matched with the guide slot 10 and the insertion slot 11, the guide column 21 slides in the guide slot 10, drives the device to rotate, and the guide column 21 is inserted into the insertion slot 11, the float 5 middle through and is fixedly connected with the magnetic ring, the magnetic ring interacts with the pulse current magnetic field to generate a torsional wave pulse, so that the measurement of the liquid level is realized.

[0036] Working principle: insert the connecting column 20 into the installation pipe 8, at this time the guide column 21 is inserted into the guide groove 10 in the guide block 9, the guide column 21 slides along the guide groove 10, the guide column 21 drives the whole device to rotate until the guide column 21 is inserted into the insertion slot 11, the spring 19 pops out the limiting column 18, the limiting column 18 is inserted into the opening of the installation pipe 8 for limiting, the installation of the device is completed, simple and fast, by installing a plurality of counterweight blocks 15 at the bottom of the connecting ring 14, the specific gravity of the float 5 is changed, so that the interface measurement requirements of different media are met, the float 5 moves to drive the brush 17 to move, and the brush 17 sweeps the deposits on the surface of the flexible cable 4.

[0037] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any such actual relationship or order. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article or device.

[0038] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flexible magnetostrictive liquid level gauge comprising a gauge head (1), characterised in that: The bottom of the table head (1) is fixedly connected with a protective tube (2), the bottom of the table head (1) is fixedly connected with a flexible cable (4), the bottom end of the flexible cable (4) is fixedly connected with a weight (6), the outer wall of the flexible cable (4) penetrates and is slidably connected with a float (5), the outer wall of the protective tube (2) is fixedly connected with a fixed ring (3), the rear side of the fixed ring (3) is fixedly connected with a connecting column (20), the rear side of the fixed ring (3) is provided with a mounting area (7), the front side of the mounting area (7) is fixedly connected with a mounting tube (8), the middle of the connecting column (20) penetrates and is slidably connected with a limiting column (18), the middle of the connecting column (20) penetrates and is provided with a spring (19), and one end of the spring (19) is fixedly connected with the outer wall of the limiting column (18), and the bottom of the float (5) is provided with a counterweight assembly.

2. A flexible magnetostrictive liquid level meter according to claim 1, characterized in that: The counterweight assembly comprises a connecting ring (14), the connecting ring (14) is fixedly connected with the bottom of the float (5), and the bottom of the connecting ring (14) penetrates and is threadedly connected with a counterweight (15), and the bottom of the counterweight (15) is fixedly connected with a threaded ring (16).

3. A flexible magnetostrictive liquid level meter according to claim 1, wherein: The middle of the flexible cable (4) penetrates and is provided with a wire (12), and the outer wall of the wire (12) is provided with a waveguide wire (13).

4. A flexible magnetostrictive liquid level meter according to claim 2, wherein: The inner wall of the connecting ring (14) is fixedly connected with uniformly distributed brushes (17), and the brushes (17) are matched with the outer wall of the flexible cable (4).

5. A flexible magnetostrictive liquid level meter according to claim 1, wherein: The front end of the mounting tube (8) is fixedly connected with a guide block (9), and the middle of the guide block (9) is provided with symmetrically distributed guide grooves (10).

6. A flexible magnetostrictive liquid level meter according to claim 5, wherein: The middle of the guide groove (10) is provided with a slot (11).

7. A flexible magnetostrictive liquid level meter according to claim 1, wherein: The rear side of the fixed ring (3) is fixedly connected with guide columns (21) on both sides of the connecting column (20), and the guide columns (21) are matched with the guide grooves (10) and the slot (11).

8. A flexible magnetostrictive liquid level meter according to claim 1, wherein: The middle of the float (5) penetrates and is fixedly connected with a magnetic ring.

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