CN209485453U

CN209485453U - A kind of New Electromagnetic Flowmeter

Info

Publication number: CN209485453U
Application number: CN201822190330.8U
Authority: CN
Inventors: 宋婉瑄; 宋卫东
Original assignee: Tangshan Gewei Instrument Co Ltd
Current assignee: Tangshan Gewei Instrument Co Ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2019-10-11
Anticipated expiration: 2028-12-25

Abstract

The utility model relates to electromagnetic flowmeter technical fields, and disclose a kind of New Electromagnetic Flowmeter, including shell, inner cavity, magnetizing coil, electrode, iron core, connecting tube, converter, numeric display, shielded layer, flange, pressure inlet and floating ball, the inner cavity is located at the inside of shell, and gap is equipped between the inner sidewall of shell and the lateral wall of inner cavity.The utility model passes through the setting of pressure inlet and floating ball, when liquid is flowed from inner cavity to liquid pipe direction, due to the tapered state of entire pressure inlet, liquid is logical when being circulated to the right by pressure inlet, the pressure that the pressure on the left of pressure inlet can be made to be greater than right side that gently becomes smaller of channel cross-section, cooperate the barrier effect of floating ball simultaneously, the right side of pressure inlet can be made to form cyclone adsorbing active force, to which the impurity to inner cavity generates attraction, it avoids the impurity in liquid and easily occurs in the interior intracavitary generation for forming packing phenomenon, avoid the phenomenon that fouling occur on the inner wall of inner cavity in turn.

Description

A kind of New Electromagnetic Flowmeter

Technical field

The utility model relates to electromagnetic flowmeter technical field, specially a kind of New Electromagnetic Flowmeter.

Background technique

Electromagnetic flowmeter be using electromagnetic induction principle, according to conductive fluid by the electromotive force inducted when externally-applied magnetic field come Measure a kind of instrument of conductive fluid flow.Magnetic field is set around conducting liquid, when conducting liquid cuts magnetic in magnetic field When the line of force, the induced potential directly proportional to liquid mean flow rate is generated, induced voltage signal passes through two or two or more and liquid The electrode detection of body contact, and given by cable to converter intelligent processing, flow, integrated flux when realizing liquid moment Display and data on flows and microsystem between communication and control.

Actual industrial production measurement in, due to containing scale in measuring medium, after electromagnetic flowmeter long-time use by Contain scale in measuring medium, scale can condense on the inner wall of electromagnetic flowmeter, influence the order of accuarcy of measurement.Scale Main component are as follows: CaCO3, Mg (OH) 2, not easy-clear then can be in the measurement in electromagnetic flowmeter after use after a period of time Electrode surface coalesces scale, to cause measurement inaccuracy, and then influences industrial production.And in surveyed liquid if containing miscellaneous Matter is easy to accumulate inside the Pass, it is likely that the failure of short circuit or open circuit is caused, and surrounding can seriously affect flow there are when magnetic field Count the accuracy of measurement.

Utility model content

The purpose of this utility model is to provide a kind of New Electromagnetic Flowmeter, having reached makes scale in water and miscellaneous Matter is difficult to form accumulation, and the purpose for avoiding external magnetic field from interfering flowmeter phenomenon at electromagnetic flowmeter.

To achieve the above object, the utility model provides the following technical solutions: a kind of New Electromagnetic Flowmeter, including shell Body, inner cavity, magnetizing coil, electrode, iron core, connecting tube, converter, numeric display, shielded layer, flange, pressure inlet and floating ball, The inner cavity is located at the inside of shell, and gap is equipped between the inner sidewall of shell and the lateral wall of inner cavity, outside the inner cavity Surface is in contact with the inner sidewall of magnetizing coil, and the electrode is located at the middle position of magnetizing coil, the inner sidewall of the iron core It is in contact with the lateral wall of magnetizing coil, and the lateral wall of iron core is in contact with the inner sidewall of shell, in the case top Between position be connected to the bottom of connecting tube, and the top of connecting tube is connected to the bottom of converter, and the numeric display is located at The inside of converter, the shielded layer are located at the inside of inner cavity, and the two sides of the shell are connect with the side of two flanges respectively, The side of the flange and be located at shell right side be in contact with the side of rubber gasket, the right side of the rubber gasket with The side of ground loop is bonded by glue, is bolted between the flange and liquid pipe, the pressure inlet is located at liquid pipe Inside, and the two sides of pressure inlet are in connected state with liquid pipe respectively, the floating ball is located at the inside of pressure inlet, the converter Left side and the side of terminal box connect, be provided with line outlet, the bottom of the ground loop and conducting wire on the left of the terminal box One end connection.

Preferably, the vertical cross-section shape of the shell and inner cavity is circle, and is integrated between shell and inner cavity Type setting.

Preferably, the vertical cross-section shape of the shielded layer is wave or zigzag, and the material of shielded layer can be iron Nickel alloy, silicon steel and permalloy.

Preferably, the vertical cross-section shape of the pressure inlet is antiparallelogram, and pressure inlet is integrally formed with liquid pipe and sets It sets.

Preferably, the shape of the floating ball is spherical shape, and the diameter of floating ball is 0. 5 times of diameter on the right side of pressure inlet.

Preferably, the floating ball is hollow stainless steel sphere, and the outer surface of floating ball can be irregular etat lacunaire.

The utility model provides a kind of New Electromagnetic Flowmeter.Have it is following the utility model has the advantages that

(1), the utility model is due to improving liquid pipe, by the setting of pressure inlet and floating ball, in liquid by inner cavity When flowing to liquid pipe direction, due to the tapered state of entire pressure inlet, liquid is logical when being circulated to the right by pressure inlet, channel cross-section The pressure that the pressure on the left of pressure inlet can be made to be greater than right side that gently becomes smaller, while cooperating the barrier effect of floating ball, can make The right side of pressure inlet forms cyclone adsorbing active force, so that the impurity to inner cavity generates attraction, avoids in liquid Impurity easily occurs in the interior intracavitary generation for forming packing phenomenon, and then avoids the phenomenon that fouling occur on the inner wall of inner cavity.

(2), the utility model is wave or sawtooth by shielded layer vertical cross-section shape due to improving to inner cavity The setting of shape can make the electromagnetic field inside entire flowmeter avoid the interference by external magnetic field, due to wave or sawtooth Shape, the magnetic field line that it can be made internal form camber line reflection, avoid magnetic field line formed with external magnetic field it is interlaced existing The generation of elephant to improve the stability of electromagnetic flowmeter, and then improves precision.

Detailed description of the invention

Fig. 1 is the front cut-away view of the utility model structure；

Fig. 2 is the front portion cross-sectional view of the utility model structure housing；

Fig. 3 is the Flux distribution figure in the utility model structure liquid pipe.

In figure: 1 shell, 2 inner cavities, 3 magnetizing coils, 4 electrodes, 5 iron cores, 6 connecting tubes, 7 converters, 8 numeric displays, 9 Shielded layer, 10 flanges, 11 rubber gaskets, 12 ground loops, 13 liquid pipes, 14 pressure inlets, 15 floating balls, 16 line outlets, 17 wiring Box, 18 conducting wires.

Specific embodiment

Below in conjunction with the embodiments of the present invention, to the technical scheme in the embodiment of the utility model carry out it is clear, It is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of New Electromagnetic Flowmeter, including shell 1, Inner cavity 2, magnetizing coil 3, electrode 4, iron core 5, connecting tube 6, converter 7, numeric display 8, shielded layer 9, flange 10, pressure inlet 14 and floating ball 15, inner cavity 2 be located at the inside of shell 1, and between the inner sidewall of shell 1 and the lateral wall of inner cavity 2 be equipped with gap, it is interior The outer surface of chamber 2 is in contact with the inner sidewall of magnetizing coil 3, and electrode 4 is located at the middle position of magnetizing coil 3, iron core 5 it is interior Side wall is in contact with the lateral wall of magnetizing coil 3, and the lateral wall of iron core 5 is in contact with the inner sidewall of shell 1,1 top of shell Middle position be connected to the bottom of connecting tube 6, and the top of connecting tube 6 is connected to the bottom of converter 7, numeric display 8 Positioned at the inside of converter 7, shielded layer 9 is located at the inside of inner cavity 2, and the two sides of shell 1 are solid with the side of two flanges 10 respectively Fixed connection, the side of flange 10 and the right side for being located at shell 1 are in contact with the side of rubber gasket 11, rubber gasket 11 Right side and the side of ground loop 12 it is Nian Jie by glue, be bolted to connection between flange 10 and liquid pipe 13, pressure inlet 14 are located at the inside of liquid pipe 13, and the two sides of pressure inlet 14 are in connected state with liquid pipe 13 respectively, and floating ball 15 is located at pressure inlet The left side of 14 inside, converter 7 is fixedly connected with the side of terminal box 17, and the left side of terminal box 17 offers line outlet 16, The bottom of ground loop 12 is fixedly connected with one end of conducting wire 18, and the vertical cross-section shape of shell 1 and inner cavity 2 is circle, and shell Be integrally formed setting between body 1 and inner cavity 2, and the vertical cross-section shape of shielded layer 9 is wave or zigzag, and shielded layer 9 Material can be iron-nickel alloy, silicon steel and permalloy, the vertical cross-section shape of pressure inlet 14 is antiparallelogram, and pressure inlet 14 It is integrally formed setting with liquid pipe 13, the shape of floating ball 15 is spherical shape, and the diameter of floating ball 15 is 14 right side diameter of pressure inlet 0. 5 times, floating ball 15 is hollow stainless steel sphere, and the outer surface of floating ball 15 can be irregular etat lacunaire.

Embodiment one

The vertical cross-section shape of shielded layer 9 is zigzag, and the material of shielded layer 9 can be silicon steel.

A kind of New Electromagnetic Flowmeter, including shell 1, inner cavity 2, magnetizing coil 3, electrode 4, iron core 5, connecting tube 6, conversion Device 7, numeric display 8, shielded layer 9, flange 10, pressure inlet 14 and floating ball 15, inner cavity 2 are located at the inside of shell 1, and shell 1 Inner sidewall and inner cavity 2 lateral wall between be equipped with gap, the outer surface of inner cavity 2 is in contact with the inner sidewall of magnetizing coil 3, electric Pole 4 is located at the middle position of magnetizing coil 3, and the inner sidewall of iron core 5 is in contact with the lateral wall of magnetizing coil 3, and iron core 5 Lateral wall is in contact with the inner sidewall of shell 1, and the middle position at 1 top of shell is connected to the bottom of connecting tube 6, and connecting tube 6 Top be connected to the bottom of converter 7, numeric display 8 is located at the inside of converter 7, and shielded layer 9 is located at the interior of inner cavity 2 Portion, the two sides of shell 1 are fixedly connected with the side of two flanges 10 respectively, the side of flange 10 and be located at shell 1 right side with The side of rubber gasket 11 is in contact, the right side of rubber gasket 11 and the side of ground loop 12 Nian Jie, the flange by glue It is bolted to connection between 10 and liquid pipe 13, pressure inlet 14 is located at the inside of liquid pipe 13, and the two sides of pressure inlet 14 point Connected state is not in liquid pipe 13, floating ball 15 is located at the inside of pressure inlet 14, the left side of converter 7 and the side of terminal box 17 It is fixedly connected, the left side of terminal box 17 offers line outlet 16, and the bottom of ground loop 12 is fixedly connected with one end of conducting wire 18.

Implementation column two

Floating ball 15 is hollow stainless steel sphere, and the outer surface of floating ball 15 can be irregular etat lacunaire.

The beneficial effects of the utility model are: the utility model due to improving to liquid pipe 13, passes through 14 He of pressure inlet The setting of floating ball 15, when liquid is flowed from inner cavity 2 to liquid pipe direction, due to the tapered state of entire pressure inlet 14, liquid is logical When being circulated to the right by pressure inlet 14, the pressure that the pressure in 14 left side of pressure inlet can be made to be greater than right side that gently becomes smaller of channel cross-section Power, while cooperating the barrier effect of floating ball 15, the right side of pressure inlet 14 can be made to form cyclone adsorbing active force, thus to inner cavity Impurity inside 2 generates attraction, avoids the impurity in liquid and easily occurs in the generation for forming packing phenomenon in inner cavity 2, Avoid the phenomenon that fouling occur on the inner wall of inner cavity 2 in turn, the utility model passes through shielded layer 9 due to improving to inner cavity 2 Vertical cross-section shape is wave or jagged setting, and the electromagnetic field inside entire flowmeter can be made to avoid by extraneous magnetic The interference of field, due to wave or zigzag, the magnetic field line that it can be made internal forms camber line reflection, avoids magnetic field line The generation of interlaced phenomenon is formed with external magnetic field, to improve the stability of electromagnetic flowmeter, and then improves essence Accuracy.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of New Electromagnetic Flowmeter, including shell (1), inner cavity (2), magnetizing coil (3), electrode (4), iron core (5), connection Manage (6), converter (7), numeric display (8), shielded layer (9), flange (10), pressure inlet (14) and floating ball (15), feature Be: the inner cavity (2) is located at the inside of shell (1), and is equipped between the inner sidewall of shell (1) and the lateral wall of inner cavity (2) The outer surface in gap, the inner cavity (2) is in contact with the inner sidewall of magnetizing coil (3), and the electrode (4) is located at magnetizing coil (3) inner sidewall in middle position, the iron core (5) is in contact with the lateral wall of magnetizing coil (3), and the outside of iron core (5) Wall is in contact with the inner sidewall of shell (1), and the middle position at the top of the shell (1) is connected to the bottom of connecting tube (6), and even The top of adapter tube (6) is connected to the bottom of converter (7), and the numeric display (8) is located at the inside of converter (7), described Shielded layer (9) is located at the inside of inner cavity (2), and the two sides of the shell (1) are connect with the side of two flanges (10) respectively, described The side of flange (10) and be located at shell (1) right side be in contact with the side of rubber gasket (11), the rubber gasket (11) right side is Nian Jie by glue with the side of ground loop (12), is connected between the flange (10) and liquid pipe (13) by bolt It connects, the pressure inlet (14) is located at the inside of liquid pipe (13), and the two sides of pressure inlet (14) are in liquid pipe (13) are connected to respectively State, the floating ball (15) are located at the inside of pressure inlet (14), and the left side of the converter (7) and the side of terminal box (17) connect It connects, is provided with line outlet (16) on the left of the terminal box (17), the bottom of the ground loop (12) and the one end of conducting wire (18) Connection.

2. a kind of New Electromagnetic Flowmeter according to claim 1, it is characterised in that: the shell (1) and inner cavity (2) Vertical cross-section shape is circle, and the setting that is integrally formed between shell (1) and inner cavity (2).

3. a kind of New Electromagnetic Flowmeter according to claim 1, it is characterised in that: the vertical of the shielded layer (9) is cut Face shape is wave or zigzag, and the material of shielded layer (9) can be iron-nickel alloy, silicon steel and permalloy.

4. a kind of New Electromagnetic Flowmeter according to claim 1, it is characterised in that: the vertical of the pressure inlet (14) is cut Face shape is antiparallelogram, and pressure inlet (14) and liquid pipe (13) are integrally formed setting.

5. a kind of New Electromagnetic Flowmeter according to claim 1, it is characterised in that: the shape of the floating ball (15) is circle It is spherical, and the diameter of floating ball (15) is 0. 5 times of diameter on the right side of pressure inlet (14).

6. a kind of New Electromagnetic Flowmeter according to claim 1, it is characterised in that: the floating ball (15) is hollow stainless Steel ball body, and the outer surface of floating ball (15) can be irregular etat lacunaire.