CN111750958B

CN111750958B - Magnetic turning plate liquid level meter

Info

Publication number: CN111750958B
Application number: CN202010493559.8A
Authority: CN
Inventors: 陈雪
Original assignee: Shandong Shengli Tonghai Group Dongying Tianlan Energy Saving Technology Co ltd
Current assignee: Shandong Shengli Tonghai Group Dongying Tianlan Energy Saving Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2022-05-06
Anticipated expiration: 2040-06-03
Also published as: CN111750958A

Abstract

The invention relates to the technical field of instruments and meters and discloses a magnetic turn-over plate liquid level meter, which comprises a pipe body, wherein the top and the bottom of one side of the pipe body are fixedly provided with connecting flanges, the bottom of the pipe body is fixedly provided with a drain valve, the other side of the pipe body is fixedly provided with a scale strip, the outer ring of the pipe body is fixedly provided with a turn-over plate box on the front side of the scale strip, a small magnetic turn-over column is movably arranged in the turn-over plate box, the outer ring of the pipe body is fixedly provided with a fine reading box on the back side of the scale strip, the top wall in the pipe body is fixedly provided with a guide pillar, the outer ring of the guide pillar is movably sleeved with a magnetic float, two sides in the fine reading box are provided with sliding chutes, the fine reading device is movably sleeved in the sliding chutes, the fine reading box is arranged and matched with a U-shaped magnet arranged in the magnetic float to effectively prevent the magnetic float from being blocked, meanwhile, the measurement precision is improved.

Description

Magnetic turning plate liquid level meter

Technical Field

The invention relates to the technical field of instruments and meters, in particular to a magnetic turning plate liquid level meter.

Background

The magnetic turning plate liquid level meter is an instrument for detecting the liquid level of media in towers, tanks, grooves, spherical containers and boilers, and utilizes the buoyancy principle and the magnetic coupling effect, the liquid level rises, utilizes the buoyancy to float a floater with a permanent magnet and transmits the float to a magnetic turning column indicator through the magnetic coupling, drives a red turning column and a white turning column to turn over 180 degrees, utilizes the color change of the red turning column and the white turning column to read the liquid level height, although the application of the magnetic turning plate liquid level meter is more extensive, the magnetic turning plate liquid level meter has some problems:

1. the magnetic float floats in the tube body of the liquid level meter when working, the two ends of the magnetic float are semicircular and the middle part of the magnetic float is cylindrical, the magnetic float is directly placed in the tube body to be freely lifted by buoyancy, and the top of the magnetic float is provided with the permanent magnet;

2. the red and white column turnover is of a certain diameter and thickness, and each turnover is a single column turnover body, so that when the liquid level horizontal position is in the middle of the column turnover or is close to the upper and lower points, the column turnover can be caused, the corresponding scale after the turnover is not the actual liquid level height, sometimes the scale is higher than the actual liquid level (when the liquid level is higher than the height of a column turnover central line, the column turnover is directly acted by the larger magnetic force), sometimes the scale is lower than the actual liquid level (when the liquid level is lower than the height of the column turnover central line, the smaller magnetic force is not enough to turn the column turnover), and thus the reading error is larger.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the magnetic turn-over plate liquid level meter which has the advantages of blockage prevention and high precision, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a magnetism turn over board level gauge, includes the body, and one side top and the bottom fixed mounting of body have flange, and the bottom fixed mounting of body has the blowoff valve, and the opposite side fixed mounting of body has the scale strip, and the outer lane of body is located the front fixed mounting of scale strip and has the turn over the board case, and the little post that turns over of magnetism of movable mounting in the turn over board case, and the back fixed mounting that the outer lane of body is located the scale strip has the accurate case of reading, roof fixed mounting has the guide pillar in the body, the magnetism float has been cup jointed in the outer lane activity of guide pillar, the spout has been seted up to the inside both sides of accurate case, the accurate device has been cup jointed in the spout internalization, the central fixed mounting of accurate device bottom has the balancing piece, the bearing has been cup jointed in the both ends activity of accurate device.

Preferably, a U-shaped magnet is fixedly mounted inside the top end of the magnetic float, a fixed filling layer is filled between the U-shaped magnet and the inner wall of the magnetic float, a supporting cavity is formed in the back of the bottom end of the magnetic float, a magnetic block cavity is formed in the middle of the fine reading device, a magnetic block is fixedly mounted inside the magnetic block cavity, and cavities are formed in the inner walls at two ends of the fine reading device.

Preferably, one side of the guide post is in a certain protruding strip shape, the guide post is positioned in the center of the inner part of the tube body, the bottom of the guide post is provided with a limiting ball fastened by a screw, and the distance between the outer ring of the magnetic float and the inner wall of the tube body is the same everywhere.

Preferably, both ends of the U-shaped magnet are perpendicular to the plate turning box and the accurate reading box respectively, a magnetic pole at one end of the U-shaped magnet perpendicular to the accurate reading box is opposite to a magnetic pole at one end of the magnetic block close to the pipe body, and two sides of the accurate reading device are in an isosceles triangle column shape, and the column side close to the outer side is on the same plane with the horizontal plane of the accurate reading device.

Preferably, the precision reading box is filled with a solution, and the overall density of the precision reading device is the same as that of the solution.

The invention has the following beneficial effects:

1. cup joint on the guide pillar and can not rotate through setting up the magnetism float, the distance between the outer lane of magnetism float and the body inner wall keeps certain, compare in prior art, it realizes detecting the liquid level height to slide up and down through the guide pillar of magnetism float, the clearance between magnetism float outer lane and the body inner wall is the same and need not design little clearance and prevent that magnetism float from inclining, can not produce the friction, thereby it blocks up because of impurity production between magnetism float and the body inner wall to have avoided, the permanent magnet that is in its top of vertical magnetism float simultaneously always keeps the level, the liquid level that detects out is more accurate.

2. Through arranging the accurate reading box and matching with the U-shaped magnet arranged in the magnetic floater, the magnetic force at two ends of the U-shaped magnet is utilized to respectively realize the turning of the turning column and the upward movement of the accurate reading device to realize accurate reading, compared with the prior art, the magnetic block in the accurate reading device can ascend under the action of the magnetic force of the U-shaped magnet, when the U-shaped magnet rises to the liquid level, the accurate reading device is still at the height position, and the scale pointed by the edge of the U-shaped magnet is the accurate scale when the U-shaped magnet is kept horizontal after the U-shaped magnet is still, accurate reading can be obtained when accurate reading is needed, the deviation of the liquid level displayed on the upper position and the lower position of a turning column can be effectively read, the situation that the turning column does not turn over or the turning column turns over due to the fact that the liquid level is below the horizontal position of the central line of the turning column or is above the horizontal position of the central line of the turning column is avoided, the accuracy is effectively improved, and the high accuracy of the read liquid level is guaranteed.

Drawings

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

FIG. 2 is an overall elevational view of the structure of the present invention;

FIG. 3 is an overall right side view of the structure of the present invention;

FIG. 4 is an overall top view of the structure of the present invention;

FIG. 5 is a schematic view of an apparatus for fine reading according to the present invention;

FIG. 6 is a side view of the construction of the finishing device of the present invention;

FIG. 7 is a schematic view of a U-shaped magnet according to the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 10 is an enlarged view at C of FIG. 9;

FIG. 11 is a cross-sectional view taken along line D-D of FIG. 6;

fig. 12 is a cross-sectional view taken along line E-E of fig. 6.

In the figure: 1. a pipe body; 2. a connecting flange; 3. a blowoff valve; 4. turning over the board box; 5. a precision reading box; 501. a chute; 6. a scale bar; 7. a magnetic float; 701. a U-shaped magnet; 702. fixing the filling layer; 703. a support cavity; 8. a precision reading device; 801. a magnetic block cavity; 802. a cavity; 803. a magnetic block; 9. a guide post; 10. a magnetic small turning column; 11. a counterbalance; 12. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, a magnetic turn-over plate liquid level meter comprises a tube body 1, a connecting flange 2 is fixedly installed at the top and the bottom of one side of the tube body 1, a blowoff valve 3 is fixedly installed at the bottom of the tube body 1, a scale strip 6 is fixedly installed at the other side of the tube body 1, a turn-over plate box 4 is fixedly installed at the front of the scale strip 6 on the outer ring of the tube body 1, a small magnetic turn-over column 10 is movably installed in the turn-over plate box 4, a fine reading box 5 is fixedly installed at the back of the scale strip 6 on the outer ring of the tube body 1, a guide column 9 is fixedly installed at the top wall in the tube body 1, a magnetic float 7 is movably sleeved on the outer ring of the guide column 9, sliding grooves 501 are formed at two sides of the inner part of the fine reading box 5, a fine reading device 8 is movably sleeved in the sliding grooves 501, a balance weight 11 is fixedly installed at the center of the bottom of the fine reading device 8, bearings 12 are movably sleeved at two ends of the fine reading device 8, and slide grooves 501, the inside fixed mounting on magnetic float 7 top has U type magnet 701, it has fixed filling layer 702 to fill between the inner wall of U type magnet 701 and magnetic float 7, thereby fixed U type magnet 701 prevents that it from rocking to influence the detection, support cavity 703 has been seted up at the back of magnetic float 7 bottom, it makes things convenient for weight reduction magnetic float 7 to float and to support the inner wall of magnetic float 7 simultaneously and can not produce deformation because of the pressure effect, magnetic path chamber 801 has been seted up to the inside at the middle part of accurate reading device 8, the inside fixed mounting of magnetic path chamber 801 has magnetic path 803, cavity 802 has been seted up to the inner wall at accurate reading device 8 both ends.

Wherein, one side of guide pillar 9 is certain protruding rectangular form, can guarantee that magnetic float 7 is vertical motionless when sliding along guide pillar 9, can not produce and deflect, the phenomenon of the unable magnetic coupling effect of realization of U type magnet 701 in having avoided magnetic float 7 because of deflecting, guide pillar 9 is located the inside center of body 1, the bottom of guide pillar 9 is provided with a screw-fastening's spacing ball, the protection can not inhale the bottom with magnetic float 7 when the blowdown, distance department between the outer lane of magnetic float 7 and the body 1 inner wall is the same, the condition emergence because of impurity jam between magnetic float 7 and the inner wall has been avoided.

The two ends of the U-shaped magnet 701 are perpendicular to the plate turning box 4 and the accurate reading box 5 respectively, magnetic poles at the two ends of the U-shaped magnet 701 are used for turning over the small magnetic turning column 10 in the plate turning box 4 and enabling the accurate reading device 8 in the accurate reading box 5 to slide upwards, the magnetic poles at the vertical ends of the U-shaped magnet 701 and the accurate reading box 5 are opposite to the magnetic poles at one end, close to the pipe body 1, of the magnetic blocks 803, opposite magnetic poles can attract each other so as to achieve the effect that the magnetic float 7 drives the accurate reading device 8 to move, two sides of the accurate reading device 8 are in an isosceles triangular column shape, the column edge close to the outer side and the horizontal plane of the accurate reading device 8 are on the same plane, the column edge can represent the horizontal position of the magnetic float 7 in the pipe body 1 on the central plane, and meanwhile, the effect of a pointer is achieved by utilizing the edge to facilitate reading.

Wherein, the accurate reading case 5 is filled with solution, and the whole density of accurate reading device 8 is the same with this solution, has guaranteed that accurate reading device 8 can suspend in solution any position, can adjust the level then the reading with accurate reading device 8 under the adjustment of balancing piece 11 after magnetic float 7 drives accurate reading device 8 to rise to the take the altitude to stop.

The working principle is that the pipe body 1 is connected with the device to be detected, liquid enters the pipe body 1, the magnetic float 7 rises along the guide post 9 under the action of buoyancy, one end of the U-shaped magnet 701 on the magnetic float 7 can turn over the small magnetic turning post 10 in the plate turning box 4 by 180 degrees, the other end of the U-shaped magnet 701 on the magnetic float 7 can attract the accurate reading device 8 to slide and rise along the sliding groove 501 in the accurate reading box 5, when the magnetic float 7 reaches the height of the liquid level, the movement is stopped, at the moment, the small magnetic turning column 10 on the turning plate box 4 is not turned, a reading can be read through the scale bar 6, the fine reading device 8 does not move after rising to the horizontal position with the same height as the magnetic float 7 under the condition that the magnetic float 7 does not move, then is fast motionless under the adjustment of the balance weight 11, the accurate reading is carried out by the column side outside the accurate reading device 8, and the accuracy of the liquid level height measurement is ensured.

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

1. The utility model provides a board level gauge is turned over to magnetism, including body (1), one side top and the bottom fixed mounting of body (1) have flange (2), the bottom fixed mounting of body (1) has blowoff valve (3), the opposite side fixed mounting of body (1) has scale strip (6), the front fixed mounting that the outer lane of body (1) is located scale strip (6) has panel turnover case (4), panel turnover case (4) interior movable mounting has magnetism to turn over post (10) for a short time, the back fixed mounting that the outer lane of body (1) is located scale strip (6) has accurate reading case (5), its characterized in that: the inner top wall of the pipe body (1) is fixedly provided with a guide post (9), the outer ring of the guide post (9) is movably sleeved with a magnetic floater (7), two sides of the inner part of the accurate reading box (5) are provided with sliding grooves (501), an accurate reading device (8) is movably sleeved in the sliding grooves (501), the center of the bottom of the accurate reading device (8) is fixedly provided with a balance block (11), two ends of the accurate reading device (8) are movably sleeved with bearings (12), the inner part of the top end of the magnetic floater (7) is fixedly provided with a U-shaped magnet (701), a fixed filling layer (702) is filled between the U-shaped magnet (701) and the inner wall of the magnetic floater (7), the back of the bottom end of the magnetic floater (7) is provided with a supporting cavity (7), the inner part of the middle part of the accurate reading device (703) is provided with a magnetic block cavity (801), and the inner part of the magnetic block cavity (801) is fixedly provided with a magnetic block (803), the inner wall at two ends of the accurate reading device (8) is provided with a cavity (802), two ends of a U-shaped magnet (701) are perpendicular to the plate turning box (4) and the accurate reading box (5) respectively, the magnetic poles of one end, perpendicular to the accurate reading box (5), of the U-shaped magnet (701) are opposite to the magnetic poles of one end, close to the pipe body (1), of the magnetic blocks (803), two sides of the accurate reading device (8) are in an isosceles triangular column shape, the horizontal planes of the column side, close to the outer side, of the accurate reading device (8) and the horizontal plane of the accurate reading device (8) are on the same plane, the accurate reading box (5) is filled with solution, and the whole density of the accurate reading device (8) is the same as the solution.

2. The magnetic flip plate liquid level gauge of claim 1, wherein: one side of the guide post (9) is in a certain protruding strip shape, the guide post (9) is located in the center of the interior of the pipe body (1), a limiting ball fastened by a screw is arranged at the bottom of the guide post (9), and the distance between the outer ring of the magnetic float (7) and the inner wall of the pipe body (1) is the same everywhere.