CN217374974U - Novel quantitative filling electromagnetic flowmeter - Google Patents

Abstract

The utility model relates to the technical field of metering instruments, in particular to a novel quantitative filling electromagnetic flowmeter, which comprises a fixed support, wherein a measuring tube is detachably arranged in the fixed support, and a detection assembly is fixedly arranged on the measuring tube; this novel quantitative filling electromagnetic flowmeter, a quantitative filling electromagnetic flowmeter of higher measurement accuracy is provided, this filling electromagnetic flowmeter can be applicable to the mineral water, beverage, wine, the filling quantitative measurement of liquid form conducting medium such as soy sauce, the error greatly reduced, can be applicable to the accurate measurement in order to deal with the sudden change of instantaneous volume in the short time on the filling production line, and the device has small equally, the lower good nature of relative cost, can be applicable to large-scale quantitative filling production line, its production line cost has been reduced, and quantitative filling's ability is better, the filling steady quality that more is favorable to the production line, the whole filling accuracy of liquid fluid filling equipment has been promoted.

Description

Novel quantitative filling electromagnetic flowmeter

Technical Field

The utility model relates to a measuring instrument technical field specifically is a novel quantitative filling electromagnetic flowmeter.

Background

The actual filling amount is controlled by controlling the valve opening degree and the flow time in more filling production lines, but the defects are still obvious, when large-specification fluid is filled or fluid with different consistencies is changed, the liquid level caused by adding materials is unstable, the problems that the filling time needs to be reset and the opening degree of the filling valve needs to be adjusted to solve in many cases, the filling method used by the fluid quantitative filling production line has higher requirements on the valve, the normal fluid quantitative filling is influenced by the situations of filling pipeline blockage, valve damage, material filling switch damage and the like, the production line is not beneficial to controlling the product filling quality, so the conventional fluid quantitative filling production line mostly gradually adopts a mass flowmeter to monitor the amount of injected liquid fluid to control a switch stop valve, but the conventional mass flowmeter has large volume and high price, on not being applicable to large-scale filling production line, in addition current electromagnetic flowmeter can satisfy small, the lower nature of relative cost, but the condition that the instantaneous volume of most electromagnetic flowmeters all are difficult at present to carry out accurate measurement in the short time sharply changes, so the filling effect that this type of flowmeter is applied to on the filling production line is not outstanding, for the requirement of better reply quantitative filling, better control filling production line's filling stability. In view of this, we propose a new quantitative fill electromagnetic flowmeter.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above insufficiency, the utility model provides a novel quantitative filling electromagnetic flowmeter.

The technical scheme of the utility model is that:

a novel quantitative filling electromagnetic flowmeter comprises a fixed support, wherein a measuring tube is detachably arranged in the fixed support, and a detection assembly is fixedly arranged on the measuring tube;

the survey buret includes the tube, the inside PFA lining that is equipped with of tube, survey buret middle part symmetry is opened has two measuring electrode holes and is perpendicular with the central axis level of surveying buret, determine module includes a set of detachably coil skeleton and iron core, the iron core passes through frid and coil skeleton fixed connection, fixed mounting has excitation coil on the coil skeleton, fixed mounting has the pole shoe in the recess of circular arc in the coil skeleton.

Preferably, the two sides of the fixed support are fixedly provided with quick connecting seats, the quick connecting seats are fixedly provided with measuring tubes, and the converter shell is detachably arranged above the fixed support.

Preferably, the silicon steel sheet is fixedly mounted inside the fixing support and is fixedly mounted on the periphery of the coil framework in a mode of being fixedly mounted on the groove plate.

Preferably, a circuit board is fixedly mounted inside the converter shell, the detection assembly is fixedly connected with the circuit board through a lead, and a cover plate is detachably mounted on the outer side of the converter shell.

Preferably, the pipe shell is made of a material with better corrosion resistance and strong oxidation resistance, and the PFA lining is made of a material meeting the food sanitation requirement.

Preferably, a set of coil skeleton fixed mounting is on surveying the tube that buret corresponded position, the inside fixed mounting who is equipped with jump ring groove and jump ring groove on the coil skeleton has the jump ring, detecting element self is equipped with a pair of detection electrode and is symmetrical structure fixed mounting on the pipe wall with survey buret axis and magnetic line of force looks vertically.

Compared with the prior art, the beneficial effects of the utility model are that:

this novel quantitative filling electromagnetic flowmeter, a quantitative filling electromagnetic flowmeter of higher measurement accuracy is provided, this filling electromagnetic flowmeter can be applicable to the mineral water, beverage, wine, the filling quantitative measurement of liquid form conducting medium such as soy sauce, the error greatly reduced, can be applicable to the accurate measurement in order to deal with the sudden change of instantaneous volume in the short time on the filling production line, and the device has small equally, the lower good nature of relative cost, can be applicable to large-scale quantitative filling production line, its production line cost has been reduced, and quantitative filling's ability is better, the filling steady quality that more is favorable to the production line, the whole filling accuracy of liquid fluid filling equipment has been promoted.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of a partial structure of the present invention;

fig. 5 is a sectional view of the measuring tube and the detecting component of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a quick connecting seat;

2. fixing a bracket; 3. a converter housing; 4. a circuit board; 5. a silicon steel sheet;

6. a measurement tube; 601. a PFA liner; 602. a pipe shell; 607. measuring an electrode hole;

7. a detection component; 701. a coil former; 702. a field coil; 703. a pole shoe; 704. an iron core; 705. a groove plate; 706. a clamp spring;

8. and (7) a cover plate.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention details the above technical solution by the following embodiments:

a novel quantitative filling electromagnetic flowmeter comprises a fixed support 2, a measuring tube 6 is detachably arranged in the fixed support 2, and a detection assembly 7 is fixedly arranged on the measuring tube 6;

the measuring tube 6 includes a tube shell 602, a PFA lining 601 is arranged inside the tube shell 602, two measuring electrode holes 607 are symmetrically arranged in the middle of the measuring tube 6 and are horizontally vertical to the central axis of the measuring tube 6, the detecting component 7 is provided with a pair of detecting electrodes and is fixedly arranged on the tube wall vertical to the axis of the measuring tube 6 and the magnetic force line, the detecting component 7 includes a set of detachable coil frame 701 and an iron core 704, the iron core 704 is fixedly connected with the coil frame 701 through a slot plate 705, an exciting coil 702 is fixedly arranged on the coil frame 701, pole shoes 703 are fixedly arranged in grooves of the inner circular arc of the coil frame 701, and the pole shoes 703 are used for obtaining better linear distribution of the magnetic field.

It should be noted that the core 704 may provide a magnetic flux path, which may better improve the magnetic permeability of the magnetic circuit and reduce the eddy current loss of the core, and may generate a larger magnetic induction intensity, which is more favorable for detecting the flow.

The two sides of the fixed support 2 are fixedly provided with the quick connection bases 1, the two quick connection bases 1 are fixedly provided with the measuring tubes 6, the converter shell 3 is detachably arranged above the fixed support 2, the silicon steel sheet 5 is fixedly arranged inside the fixed support 2, and the silicon steel sheet 5 is fixedly arranged on the periphery of the coil framework 701 in a mode of being fixedly arranged on the groove plate 705.

Converter shell 3 inside fixed mounting has circuit board 4, and detection component 7 passes through wire and circuit board 4 fixed connection, and converter shell 3 outside detachably installs apron 8, forms complete seal structure.

The cartridge 602 is made of a material with better corrosion resistance and strong oxidation resistance, the PFA liner 601 is made of a material meeting the food sanitation requirement, and the cartridge 602 has excellent material properties by using 304 stainless steel in the embodiment.

It is worth to be noted that, a set of coil frame 701 is fixedly installed on the tube shell 602 at the corresponding position of the measuring tube 6, the coil frame 701 is provided with a clamp spring groove, and the clamp spring 706 is fixedly installed inside the clamp spring groove, so that the coil frame 701 is fixed, and it can be ensured that the iron core 704 does not drive the coil frame 701 to deform and displace after the excitation coil 702 is electrified, thereby ensuring the uniformity and stability of the magnetic field, thus ensuring the stability of induced electromotive force measured by the two measuring electrodes when fluid flows through the measuring tube, and improving the consistency of the measuring result.

The working principle of the novel quantitative filling electromagnetic flowmeter of the embodiment is still based on Faraday's law of electromagnetic induction, when a conductor moves in a magnetic field, induced electromotive force can be generated at two ends of the conductor in the direction perpendicular to the direction of the magnetic field and the moving direction, the magnitude of the electromotive force is in direct proportion to the moving speed of the conductor and the magnitude of the magnetic induction intensity of the magnetic field, conductive fluid needing to be filled in the embodiment can also form electric potential in the fluid when passing through the magnetic field, on the premise that the magnetic field intensity and the pipeline sectional area are fixed, the volume flow can be obtained by detecting the electric potential carried by the fluid through electrodes, the flow can be controlled according to the formula of volume flow, medium density, gravity acceleration and weight flow, a pair of detection electrodes are arranged on the pipe wall perpendicular to the axis of the measuring pipe 6 and the magnetic line, when the conductive fluid moves along the axis of the measuring pipe 6, the conductive liquid cuts magnetic lines of force to generate induced potential, the induced potential is detected by two detection electrodes, the value of the induced potential is in direct proportion to the flow velocity, the value E = B multiplied by V multiplied by D multiplied by K, wherein E is the induced potential, B is the magnetic induction intensity, V is the average flow velocity of the conductive liquid, D is the electrode distance, K is the coefficient related to the axial length of the magnetic field distribution, the sensor transmits the induced electromotive force E as a flow signal to a converter through a circuit board 4, and after signal processing such as signal amplification, transformation, filtering and the like, instantaneous flow and accumulated flow can be displayed through a dot matrix type liquid crystal with backlight.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a novel quantitative filling electromagnetic flowmeter, includes fixed bolster (2), its characterized in that: a measuring pipe (6) is detachably arranged in the fixed support (2), and a detection assembly (7) is arranged on the measuring pipe (6);

survey buret (6) including tube (602), inside PFA lining (601) that is equipped with of tube (602), survey buret (6) middle part symmetry is opened and is had two measuring electrode hole (607) and perpendicular with the central axis level of surveying buret (6), determine module (7) are including a set of detachably coil skeleton (701) and iron core (704), install excitation coil (702) on coil skeleton (701), install pole shoe (703) in the recess of coil skeleton (701) inner circular arc.

2. The novel quantitative fill electromagnetic flowmeter of claim 1, wherein: the converter comprises a fixed support (2), and is characterized in that quick connecting seats (1) and two quick connecting seats are fixedly mounted on two sides of the fixed support (2), a measuring pipe (6) is fixedly mounted on each quick connecting seat (1), and a converter shell (3) is detachably mounted above the fixed support (2).

3. The novel quantitative fill electromagnetic flowmeter of claim 1, wherein: the silicon steel sheet (5) is fixedly arranged in the fixed support (2), and the silicon steel sheet (5) is fixedly arranged on the periphery of the coil framework (701) in a mode of being fixedly arranged on the slotted plate (705).

4. The novel quantitative fill electromagnetic flowmeter of claim 2, wherein: converter shell (3) inside fixed mounting has circuit board (4), determine module (7) pass through wire and circuit board (4) fixed connection, apron (8) are installed to converter shell (3) outside detachably.

5. The novel quantitative filling electromagnetic flowmeter of claim 1, characterized in that: a set of coil skeleton (701) fixed mounting is on surveying pipe shell (602) that buret (6) corresponded the position, be equipped with jump ring groove and jump ring groove's inside fixed mounting on coil skeleton (701) and have jump ring (706), detecting element (7) self is equipped with a pair of detection electrode and is symmetrical structure fixed mounting on surveying buret (6) axis and magnetic line of force looks vertically pipe wall.

Images