CN217155488U

CN217155488U - Electromagnetic flowmeter core

Info

Publication number: CN217155488U
Application number: CN202220720001.3U
Authority: CN
Inventors: 林浩; 凤志龙
Original assignee: Shanghai Yinuo Instrument Co Ltd
Current assignee: Shanghai Yinuo Instrument Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-09
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses an electromagnetic flowmeter core, including the core, horizontal cross cavity has in the core to and with the perpendicular chamber of cross cavity intercommunication, the cross intracavity is equipped with the lining, and the top and the bottom of erecting the cavity all are equipped with the electrode that extends to in the lining, the electrode side with erect and be equipped with sealing washer two between the cavity wall, the tip of erecting the cavity is equipped with the interior lock nut spacing to the electrode, and is equipped with the bush between interior lock nut and the electrode, the front and back of core is equipped with magnetic pole assembly respectively, is equipped with excitation coil in the magnetic pole assembly, and the bottom of core is equipped with the end cap sealed to erecting the cavity bottom. The electromagnetic flowmeter core body has the advantages of simple and novel structure and reliable work, is convenient to process, manufacture, install and maintain due to the adoption of the core body plug-in structure, can obtain good effect in the measurement work of the flow of conductive liquid, has wide application field, and can be applicable to high-pressure environment due to the adoption of the special sealing structure combining longitudinal sealing and transverse sealing.

Description

Electromagnetic flowmeter core

Technical Field

The utility model relates to a fluidflowmeter field specifically is an electromagnetic flowmeter core.

Background

The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in 50-60 years of the 20 th century. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle. The core body of the existing electromagnetic flowmeter is not reasonable in design, inconvenient to process, manufacture, install and maintain and limited.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an electromagnetic flow meter core has solved the problem among the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electromagnetic flowmeter core, includes the core, has the horizontal chamber in the core to and with the perpendicular chamber of horizontal chamber intercommunication, horizontal intracavity is equipped with the lining, and the top and the bottom of erecting the chamber all are equipped with the electrode that extends to in the lining, the electrode side with erect and be equipped with sealing washer two between the chamber wall, the tip of erecting the chamber is equipped with the spacing interior lock nut of counter electrode, and is equipped with the bush between interior lock nut and the electrode, the front and back of core is equipped with magnetic pole assembly respectively, is equipped with excitation coil in the magnetic pole assembly, and the bottom of core is equipped with the end cap sealed to erecting chamber bottom.

Further defined, an electromagnetic flow meter core as described above, wherein a binding screw is threadedly attached to an end of said electrode remote from said liner.

Further defined, the electromagnetic flow meter core is characterized in that the liner is a polytetrafluoroethylene liner.

Further inject, foretell electromagnetic flowmeter core, wherein, the seal groove has been seted up at the top of core side, is equipped with the sealing washer in the seal groove.

Further inject, foretell electromagnetic flowmeter core, wherein, the front portion and the rear portion of core are equipped with the recess respectively, magnetic pole component joint in the recess, and have sealing washer three between recess and the magnetic pole component.

Further inject, foretell electromagnetic flowmeter core, wherein, core top and bottom all are equipped with the line hole of crossing that extends to in the recess.

The utility model discloses possess following beneficial effect: the electromagnetic flowmeter core body has the advantages of simple and novel structure and reliable work, is convenient to process, manufacture, install and maintain due to the adoption of the core body plug-in structure, can obtain good effect in the measurement work of the flow of conductive liquid, has wide application field, and can be applicable to high-pressure environment due to the adoption of the special sealing structure combining longitudinal sealing and transverse sealing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1 according to the present invention.

In the figure: 7.1, a core body; 7.2, a first sealing ring; 7.3, binding screws; 7.4, an inner locking nut; 7.5, a bushing; 7.6, a second sealing ring; 7.7, electrodes; 7.8, lining; 7.9, a sealing ring III; 7.10, a magnet exciting coil; 7.11, a magnetic pole component; 7.12 and a plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, the present invention provides a technical solution: an electromagnetic flowmeter core body comprises a core body 7.1, the top of the side surface of the core body 7.1 is provided with two sealing grooves, sealing rings are arranged in the sealing grooves, a horizontal transverse cavity and a vertical cavity communicated with the transverse cavity are arranged in the core body 7.1, an insulating polytetrafluoroethylene lining 7.8 is arranged in the transverse cavity, the top and the bottom of the vertical cavity are respectively provided with an electrode 7.7 extending into the lining 7.8, a sealing ring two 7.6 is arranged between the side surface of the electrode 7.7 and the vertical cavity wall, the end part of the vertical cavity is in threaded connection with an inner locking nut 7.4 limiting the electrode 7.7, a lining 7.5 is arranged between the inner locking nut 7.4 and the electrode 7.7, the front part and the rear part of the core body 7.1 are respectively provided with a groove, a magnetic pole assembly 7.11 is clamped in the groove, a sealing ring three 7.9 is arranged between the groove and the magnetic pole assembly 7.11, the top end and the bottom end of the core body 7.1 are respectively provided with a wire passing hole extending into the groove, a threaded hole at one end of the electrode 7.7 far away from the lining 7 is connected with a screw 7.3, and is connected with an integrating instrument through a lead, a magnet exciting coil 7.10 is arranged in the magnetic pole component 7.11, and a plug 7.12 for sealing the bottom end of the vertical cavity is arranged at the bottom of the core body 7.1.

During assembly, a lining 7.8 and a sealing ring I7.2 are pre-installed on a core body 7.1, a sealing ring II 7.6 is installed in a sealing groove of an electrode 7.7, then the electrode 7.7, a lining 7.5 and an inner locking nut 7.4 are sequentially installed in a vertical cavity and are fastened with the core body 7.1 through screwing of the inner locking nut 7.4, a sealing ring III 7.9, a magnet exciting coil 7.10 and a magnetic pole assembly 7.11 are sequentially installed in a front groove and a rear groove of the core body 7.1, a lead of the magnetic pole assembly 7.11 and a lead of the electrode 7.7 at the bottom penetrate through a thread passing hole to the upper part of the core body 7.1, wherein the leads of the two electrodes 7.7 are connected with an integrating instrument, and the leads of the magnet exciting coil 7.10 are electrified.

When the electric conduction liquid flows through the lining 7.8, when the electrode 7.7 cuts magnetic lines of force in the magnetic field, an induced potential is generated in the electrode 7.7, and the magnitude of the induced potential is in direct proportion to the effective length of the electrode 7.7 in the magnetic field and the speed of the electrode 7.7 moving in the magnetic field in the direction perpendicular to the magnetic field. Similarly, when the conductive fluid flows in the vertical direction in the magnetic field to cut the magnetic induction lines, induced potentials are generated on the electrodes 7.7 at the two sides of the pipeline, the pulse signals are processed by the electrodes 7.7 to become electric signals, and the electric signals are processed by the integrating instrument to display the instantaneous value and the accumulated value of the flow of the conductive fluid. Due to the adoption of a special sealing structure combining longitudinal sealing and transverse sealing, the flowmeter core body 7.1 can be suitable for high-pressure environment.

The electromagnetic flowmeter core is simple and novel in structure and reliable in work, and due to the adoption of the core insertion type structure, the electromagnetic flowmeter core is convenient to process, manufacture, install and maintain, can obtain a good effect in the measurement work of the flow of conductive liquid, and is wide in application field.

It should be noted that, in this document, 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

1. The utility model provides an electromagnetic flowmeter core, includes the core, has the horizontal chamber in the core to and the perpendicular chamber that communicates with horizontal chamber, its characterized in that: the horizontal intracavity is equipped with the lining, erects the top and the bottom in chamber and all is equipped with the electrode that extends to in the lining, the electrode side with erect and be equipped with sealing washer two between the chamber wall, the tip of erecting the chamber is equipped with the spacing interior lock nut of counter electrode, and is equipped with the bush between interior lock nut and the electrode, the front and back portion of core is equipped with magnetic pole component respectively, is equipped with excitation coil in the magnetic pole component, and the bottom of core is equipped with to erecting the sealed end cap of chamber bottom.

2. An electromagnetic flow meter core as set forth in claim 1 wherein: and one end of the electrode, which is far away from the lining, is in threaded connection with a binding screw.

3. An electromagnetic flow meter core as set forth in claim 2 wherein: the lining adopts polytetrafluoroethylene lining.

4. An electromagnetic flow meter core as set forth in claim 3 wherein: the top of the side face of the core body is provided with a sealing groove, and a first sealing ring is arranged in the sealing groove.

5. An electromagnetic flow meter core as claimed in any one of claims 1 to 4, wherein: the front part and the rear part of the core body are respectively provided with a groove, the magnetic pole component is clamped in the groove, and a third sealing ring is arranged between the groove and the magnetic pole component.

6. An electromagnetic flow meter core as set forth in claim 5 wherein: the top end and the bottom end of the core body are both provided with wire passing holes extending into the grooves.