CN218566592U - Electromagnetic flowmeter - Google Patents

Abstract

The utility model provides an electromagnetic flowmeter relates to electromagnetic flowmeter technical field, this electromagnetic flowmeter, including the converter at a flowmeter section of thick bamboo and top, be equipped with magnetic circuit, measuring catheter, electrode, shell and lining in the flowmeter section of thick bamboo, flowmeter section of thick bamboo inner wall just is close to the end of intaking and is fixed with the spacing ring, be equipped with rotatable scale removal subassembly in the flowmeter section of thick bamboo, the scale removal subassembly includes the rotatory ring with spacing ring rotary contact, the atress blade of annular array is installed to rotatory ring inner wall, rotatory ring inner wall is fixed with the connecting rod, the connecting rod other end is connected with the spiral of a conflict flowmeter section of thick bamboo and scrapes the pole, this electromagnetic flowmeter, strike atress blade through the fluid motion and drive rotatory ring and spiral and scrape the pole rotation, can realize the scale removal operation, moreover, the steam generator is simple in structure, the cost of manufacture is low, the serious spiral of wearing and tearing scrapes the pole, take out after dismantling flowmeter section of thick bamboo can, and is easy and simple to handle, be convenient for quick maintenance.

Description

Electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter technical field specifically is an electromagnetic flowmeter.

Background

The basic principle on which electromagnetic flow meters are based is the faraday's law of electromagnetic induction. When the conductor cuts magnetic lines of force to move, induced electromotive force is generated in the conductor. This principle is applied to a conductive liquid flowing in a pipe, the direction of the fluid flow is perpendicular to the direction of an electromagnetic field, and an induced electromotive force generated in the fluid is measured by a pair of electrodes installed on diametrically opposite sides of the pipe, thereby measuring the flow rate.

Dirt in water is easy to attach to the inner wall of a pipeline, so that the electrodes of the electromagnetic flowmeter are covered, if the electrodes are high-conductivity attachment layers, the electromotive force between the electrodes is short-circuited, and if the electrodes are insulating attachment layers, the surfaces of the electrodes are insulated to disconnect a measuring circuit, and the electromagnetic flowmeter cannot work under the two conditions. The high-precision electromagnetic flowmeter with the automatic data acquisition function, disclosed as CN201820960642.X, sprays cleaning liquid on the inner wall of the electromagnetic flowmeter through a cleaning liquid nozzle to realize descaling, but the pipeline is generally full of liquid, so that the pipeline at the position needs to be closed, the operation is complex, meanwhile, the cleaning liquid left in the pipeline easily influences the water quality, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electromagnetic type flowmeter has solved comparison file clearance electromagnetic flowmeter inner wall incrustation scale complex operation, and the problem of easy polluted water quality.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electromagnetic type flowmeter, includes the converter at a flowmeter section of thick bamboo and top, is equipped with magnetic circuit, measuring catheter, electrode, shell and lining in a flowmeter section of thick bamboo, flowmeter section of thick bamboo inner wall just is close to the end of intaking and is fixed with the spacing ring, is equipped with rotatable descaling assembly in the flowmeter section of thick bamboo, and descaling assembly includes the rotatory ring with spacing ring rotary contact, and annular array's atress blade is installed to rotatory ring inner wall, and rotatory ring inner wall is fixed with the connecting rod, and the connecting rod is located the both sides of spacing ring respectively for "C" shape and both ends, and the connecting rod other end is connected with the spiral of a conflict flowmeter section of thick bamboo and scrapes the pole.

Furthermore, set up the breach that the equidistance was arranged on the spacing ring, can reduce the area of contact of spacing ring and rotatory ring, reduce sliding friction, do benefit to it and rotate by the fluid effect, the spiral scraping rod of being convenient for simultaneously removes to a flowmeter section of thick bamboo inside through the breach.

Furthermore, the side of the limit ring, which is close to the rotating ring, is provided with a sliding bulge, and the cross section of the sliding bulge is hemispherical, so that the sliding friction force between the rotating ring and the limit ring can be further reduced.

Furthermore, the spiral scraping rod is elastic, and the outer wall of the spiral scraping rod is fixedly provided with the flaky bulge, so that the contact area between the spiral scraping rod and the inner wall of the flow meter cylinder is reduced, and scale attached to the inner wall of the flow meter cylinder can be conveniently scraped.

Furthermore, the rotating ring is positioned on one side, close to the water inlet end of the flowmeter barrel, of the limiting ring, and the spiral scraping rod is positioned on one side, close to the water outlet end of the flowmeter barrel, of the limiting ring.

Further, the spiral scraping rod is made of elastic plastic materials.

(III) advantageous effects

The utility model provides an electromagnetic type flowmeter. The method has the following beneficial effects:

1. this electromagnetic type flowmeter strikes the atress blade through the fluid motion and drives rotatory ring and the rotation of spiral scraping rod, can carry out the scale removal operation in step when the fluid flows, need not to close the pipeline clearance, and difficult polluted water quality, simple structure, the cost of manufacture is low, and the serious spiral of wearing and tearing scrapes the rod, take out after pulling down a flowmeter section of thick bamboo can, easy and simple to handle, the quick maintenance of being convenient for.

2. According to the electromagnetic flowmeter, the corresponding descaling components can be loaded only by fixing the limiting ring with a proper size on the flowmeter cylinder, and the applicability is strong.

Drawings

Fig. 1 is a structural sectional view of the flow meter cartridge of the present invention.

Fig. 2 is a schematic structural view of the descaling assembly of the present invention.

Fig. 3 is a schematic view of the exterior of the flow meter cartridge and the converter of the present invention.

Fig. 4 is a schematic structural diagram of the limiting ring of the present invention when located in the flowmeter cylinder.

Fig. 5 is a schematic structural view of the connecting rod of the present invention.

In the figure: 1. a flow meter cartridge; 2. a converter; 3. a descaling component; 31. a rotating ring; 32. a stressed blade; 33. a connecting rod; 34. a spiral scraping rod; 4. a limiting ring; 5. a sliding projection; 6. a sheet-like projection.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides an electromagnetic type flowmeter, as shown in fig. 1-5, converter 2 including a flowmeter section of thick bamboo 1 and top, be equipped with magnetic circuit in the flowmeter section of thick bamboo 1, the measuring catheter, the electrode, shell 11 and lining, be current maturation technology here, no longer describe here, flowmeter section of thick bamboo 1 inner wall is just close to the end of intaking and is fixed with spacing ring 4, be equipped with rotatable scale removal subassembly 3 in the flowmeter section of thick bamboo 1, scale removal subassembly 3 includes rotatory ring 31 with spacing ring 4 swivelling contact, rotatory ring 31 inner wall installs annular array's atress blade 32, atress blade 32 all inclines towards same direction of rotation, atress blade 32 can drive rotatory ring 31 and rotate when the fluid is used, rotatory ring 31 inner wall is fixed with connecting rod 33, connecting rod 33 is "C" shape and both ends are located the both sides of spacing ring 4 respectively, will scale removal subassembly 3 movable mounting in flowmeter section of thick bamboo 1 through connecting rod 33 and spacing ring 4, the connecting rod 33 other end is connected with flowmeter section of thick bamboo 1's spiral scraping bar 34, spiral scraping bar 34 can overcome spiral scraping bar 34 and flowmeter section of flow meter section of thick bamboo 1 inner wall friction when rotatory ring 31 rotates. The spiral scraping rod 34 has elasticity, and the sheet-shaped bulge 6 is fixed on the outer wall of the spiral scraping rod 34, so that the contact area of the spiral scraping rod 34 and the inner wall of the flowmeter cylinder 1 is reduced, and scale attached to the inner wall of the flowmeter cylinder is conveniently scraped. The spiral scraping rod 34 is made of elastic plastic material. When the electromagnetic flowmeter is installed on a pipeline, when fluid passes through the flowmeter barrel 1, the rotating ring 31 is impacted by the fluid, the fluid can be maintained in the original position due to the support of the limiting ring 4, the force for rotating the fluid to impact the stressed blade 32 is generated, the rotating ring 31 drives the spiral scraping rod 34 to rotate through the connecting rod 33, the spiral scraping rod 34 is in friction contact with the inner wall of the flowmeter barrel 1, the descaling operation can be realized, the structure is simple, the manufacturing cost is low, the spiral scraping rod 34 seriously abraded is taken out after the flowmeter barrel 1 is disassembled, the operation is simple and convenient, the rapid maintenance is convenient, meanwhile, the descaling component 3 of the electromagnetic flowmeter is high in applicability, the corresponding descaling component 3 can be loaded only by fixing the limiting ring 4 with a proper size on the flowmeter barrel 1, and the practicability is good.

The gaps arranged at equal intervals are formed in the limiting ring 4, so that the contact area between the limiting ring 4 and the rotating ring 31 can be reduced, the sliding friction force is reduced, the rotation of the limiting ring under the action of fluid is facilitated, and meanwhile, the spiral scraping rod 34 can be moved to the inside of the flow meter barrel 1 through the gaps. The stopper ring 4 is provided with a sliding projection 5 on the side close to the rotating ring 31, and the sliding projection 5 has a hemispherical cross section, so that the sliding friction force between the rotating ring 31 and the stopper ring 4 can be further reduced.

The rotating ring 31 is positioned at one side of the limiting ring 4, which is close to the water inlet end of the flowmeter barrel 1, of the limiting ring 4, and the spiral scraping rod 34 is positioned at one side of the limiting ring 4, which is close to the water outlet end of the flowmeter barrel 1.

The working principle is as follows: when the electromagnetic flowmeter is used, the electromagnetic flowmeter is arranged on a pipeline, when fluid passes through the flowmeter barrel 1, the rotating ring 31 is impacted by the fluid and can be maintained in place due to the support of the limiting ring 4, and the rotating force is generated on the rotating ring 31 due to the fluid impact stressed blade 32, so that the rotating ring 31 drives the spiral scraping rod 34 to rotate through the connecting rod 33, and the spiral scraping rod 34 is in frictional contact with the inner wall of the flowmeter barrel 1, so that the descaling operation can be realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an electromagnetic type flowmeter, includes a flowmeter section of thick bamboo (1) and converter (2) at top thereof, is equipped with magnetic circuit, measurement pipe, electrode, shell 11 and lining in a flowmeter section of thick bamboo (1), its characterized in that: flowmeter section of thick bamboo (1) inner wall just is close to the end of intaking and is fixed with spacing ring (4), be equipped with rotatable scale removal subassembly (3) in flowmeter section of thick bamboo (1), scale removal subassembly (3) include with spacing ring (4) rotary contact's rotatory ring (31), annular array's atress blade (32) are installed to rotatory ring (31) inner wall, rotatory ring (31) inner wall is fixed with connecting rod (33), connecting rod (33) are "C" shape and both ends and are located the both sides of spacing ring (4) respectively, connecting rod (33) other end is connected with spiral scraper bar (34) of conflict flowmeter section of thick bamboo (1).

2. An electromagnetic flow meter in accordance with claim 1, further comprising: the limiting ring (4) is provided with notches which are distributed at equal intervals.

3. An electromagnetic flow meter in accordance with claim 1, further comprising: the side of the limiting ring (4) close to the rotating ring (31) is provided with a sliding bulge (5), and the cross section of the sliding bulge (5) is hemispherical.

4. An electromagnetic flowmeter as set forth in claim 1 wherein: the spiral scraping rod (34) has elasticity, and a sheet-shaped bulge (6) is fixed on the outer wall of the spiral scraping rod.

5. An electromagnetic flowmeter as set forth in claim 1 wherein: the rotating ring (31) is positioned on one side, close to the water inlet end of the flowmeter barrel (1), of the limiting ring (4), and the spiral scraping rod (34) is positioned on one side, close to the water outlet end of the flowmeter barrel (1), of the limiting ring (4).

6. An electromagnetic flow meter in accordance with claim 1, further comprising: the spiral scraping rod (34) is made of elastic plastic materials.

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