CN210570859U

CN210570859U - High-precision electronic counter of flowmeter

Info

Publication number: CN210570859U
Application number: CN201920912632.3U
Authority: CN
Inventors: 陈云飞; 徐乐; 陈子亨
Original assignee: Hefei Lanjing Electronic Co Ltd
Current assignee: Hefei Lanjing Electronic Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-19
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a high-precision electronic counter of a flowmeter, which comprises a shell, wherein the left side and the right side of the outer surface of the shell are respectively fixedly connected with a flange interface, the upper end of the shell is fixedly connected with a top cover through bolts, the upper end of the top cover is fixedly connected with a vertical pipe, the lower side of the outer surface of the vertical pipe is provided with a corrector, the middle part of the outer surface of the vertical pipe is in threaded connection with a transmitter, the upper end of the vertical pipe is fixedly connected with the counter, the inner shell is arranged in the shell, and a measuring bin is arranged in the middle of the inner shell, the high-precision electronic counter of the flowmeter avoids using pulse collecting signals to reduce measuring errors formed during measurement and improve the precision by arranging two groups of signal inductors and magnetic steel matched with the signal inductors, and leads fluid to pass between cycloid teeth by arranging the cycloid teeth to, reduce noise and protect the internal structure of the flow meter from damage.

Description

High-precision electronic counter of flowmeter

Technical Field

The utility model relates to an electronic counter technical field, in particular to high accuracy flowmeter electronic counter.

Background

The electronic flow counter works based on Faraday' S law of electromagnetic induction, is used for measuring the volume flow of the conductive liquid with the conductivity more than 5 mu S/cm, is an induction type instrument for measuring the volume flow of the conductive medium, can be used for measuring the volume flow of strong corrosive liquid such as strong acid and strong alkali and the like and uniform liquid-solid two-phase suspension liquid such as slurry, ore pulp, paper pulp and the like besides the volume flow of the common conductive liquid, and is widely applied to flow measurement in the fields of petroleum, chemical industry, metallurgy, light spinning, paper making and the like; the electronic flow counter on the market at present adopts pulse signal collection, causes measuring error easily when measuring, and the accuracy is low, and the less flow that detects of circulation mouth that detects is less, and application scope is little, and when the measurement, flowmeter inner structure and fluid collision, the noise is big and damage the inner structure of flowmeter easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high accuracy flowmeter electronic counter can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy flowmeter electronic counter, includes the shell, flange interface of each fixed connection of the left and right sides of shell surface, shell upper end bolt fixed connection top cap, top cap upper end fixed connection standpipe, standpipe surface downside is provided with the corrector, standpipe surface middle part threaded connection signaling apparatus, standpipe upper end fixed connection counter, the inside interior casing that is provided with of shell, the equal swing joint in the left and right sides of interior casing upper end has a signal sensor, be provided with the measurement storehouse in the middle of the interior casing is inside, the equal fixed mounting in interior casing both sides has first rotor and second rotor, the equal fixed connection helical gear of one end in measurement storehouse is kept away from to first rotor and second rotor.

Preferably, the spiral gears are four groups, two groups of spiral gears on the same side are meshed with each other, and the first rotor and the second rotor are rotationally connected through the spiral gears.

Preferably, a first bearing is fixedly connected between the first rotors, a second bearing is fixedly connected between the second rotors, cycloid teeth are arranged on the outer surfaces of the first bearing and the second bearing, and the cycloid teeth on the first bearing and the cycloid teeth on the second bearing are meshed with each other and are not in contact with each other.

Preferably, the spiral gear is provided with magnetic steel, the magnetic steel is positioned right below the signal sensor, and the signal sensor is electrically connected with the counter through a lead.

Preferably, a fluid inlet is fixedly welded on the left side of the metering bin, a fluid outlet is fixedly welded on the right side of the metering bin, a through hole is formed in the end face of the spiral gear, and the through hole is connected with the fluid inlet and the fluid outlet.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up two sets of signal inductors and rather than assorted magnetic steel, avoid using the pulse to collect the measuring error that the signal formed when reducing the measurement, improve the accuracy, through setting up first rotor and second rotor, then set up the cycloid tooth on first bearing and second bearing, cycloid tooth intermeshing impels the fluid to pass through the measurement storehouse, calculate fluid flow by the measurement storehouse, set up the through-hole on helical gear again, increase the fluidic circulation of circulation mouth, increase electronic flowmeter's application scope, improve measurement accuracy, leave the gap through setting up the cycloid tooth, let the fluid by passing in and out between the cycloid tooth, avoid fluid and inner structure to collide, noise reduction and protection flowmeter inner structure are not damaged.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-precision electronic counter of a flowmeter according to the present invention;

fig. 2 is a cross-sectional view of an inner housing of a high-precision electronic counter of the present invention;

fig. 3 is the utility model discloses a high accuracy flowmeter electronic counter's helical gear structure sketch map.

In the figure: 1. a housing; 2. a flange interface; 3. a top cover; 4. a vertical tube; 41. a corrector; 42. a transmitter; 5. A counter; 6. an inner housing; 7. a signal sensor; 8. a first rotor; 81. a first bearing; 82. a metering bin; 821. a fluid inlet; 822. a fluid outlet; 9. a second rotor; 91. a second bearing; 10. cycloid teeth; 11. A helical gear; 111. a through hole; 12. magnetic steel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a high accuracy flowmeter electronic counter, including shell 1, flange interface 2 of each fixed connection in the left and right sides of shell 1 surface, shell 1 upper end bolt fixed connection top cap 3, top cap 3 upper end

fixed connection standpipe

4, 4 surface outsides of standpipe are provided with corrector 41, threaded connection signalling device 42 in the middle part of 4 surface of standpipe, standpipe 4 upper end fixed connection counter 5, shell 1 is inside to be provided with interior casing 6, the equal swing joint in 6 upper end left and right sides of interior casing has a signal sensor 7, be provided with measurement storehouse 82 in the middle of interior casing 6 is inside, the equal fixed mounting in 6 both sides of interior casing has first rotor 8 and second rotor 9, the equal fixed connection helical gear 11 of one end that measurement storehouse 82 was kept away from to first rotor 8 and second rotor 9.

The spiral gears 11 are four groups, two groups of spiral gears 11 on the same side are meshed with each other, the first rotor 8 and the second rotor 9 are rotationally connected through the spiral gears 11, the spiral gears 11 are rotated by pressure difference generated by fluid at an inlet, and the spiral gears 11 drive the first rotor 8 and the second rotor 9 to rotate, so that the fluid can conveniently enter the metering bin 82; the first bearings 81 are fixedly connected between the first rotors 8, the second bearings 91 are fixedly connected between the second rotors 9, the outer surfaces of the first bearings 81 and the second bearings 91 are respectively provided with cycloid teeth 10, the cycloid teeth 10 on the first bearings 81 and the second bearings 91 are meshed with each other and are not contacted with each other, fluid enters the metering bin 82 and flows in gaps among the cycloid teeth 10, so that the fluid data can be conveniently metered, noise generated when the fluid collides with parts is reduced, and collision is reduced; the spiral gear 11 is provided with magnetic steel 12, the magnetic steel 12 is positioned right below the signal sensor 7, the signal sensor 7 is electrically connected with the counter 5 through a lead, the magnetic steel 10 is matched with the signal sensor 7 to detect the rotating speed of the spiral gear 11 and then transmit the rotating speed to the counter 5, and the counter 5 converts the rotating speed to obtain the flow of the fluid so as to realize the metering of the fluid; the metering bin 82 is fixedly welded with the fluid inlet 821 on the left side, the metering bin 82 is fixedly welded with the fluid outlet 822 on the right side, the end face of the spiral gear 11 is provided with the through hole 111, the through hole 111 is connected with the fluid inlet 821 and the fluid outlet 822, the through holes 111 increase the flow of fluid, and the application range of the electronic meter is enlarged.

It should be noted that, the utility model relates to a high-precision electronic flowmeter counter, through at signal sensor 7 and magnetic steel 12 cooperation, measure the rotational speed signal of first rotor 8, signal transmission to counter 5, the last flow information is obtained after the statistics of counter 5 is converted, when using, link together the device with the flow pipeline of surveying through flange interface 2, keep good leakproofness, when the fluid enters the device, enter into the measuring bin 82 from through-hole 111 of helical gear 11, first rotor 8 and second rotor 9 connect first bearing 81 and second bearing 91 respectively, first bearing 81 and second bearing 91 rotate through cycloid tooth 10 and connect, and leave the gap between, the fluid leans on the flow differential pressure between the import and export of flow measuring bin 82 to promote first rotor 8 and second rotor 9 to rotate, realize flow measurement through measuring the rotational speed of first rotor 8, the shafts of the cycloid teeth which are not in contact with each other are fixed with synchronous spiral gears 11 to realize mutual driving. Because the first rotor 8 and the second rotor 9 are in a spiral shape in the axial direction, and the mechanism arranged on the two rotor shafts keeps a proper gap between the rotors all the time, the operation is stable, and no fluid collides with the component.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high accuracy flowmeter electronic counter, includes shell (1), its characterized in that: the left side and the right side of the outer surface of the shell (1) are respectively fixedly connected with a flange interface (2), the upper end of the shell (1) is fixedly connected with a top cover (3) through bolts, the upper end of the top cover (3) is fixedly connected with a vertical pipe (4), a corrector (41) is arranged on the lower side of the outer surface of the vertical pipe (4), a signal transmitter (42) is connected with the middle part of the outer surface of the vertical pipe (4) through threads, the upper end of the vertical tube (4) is fixedly connected with a counter (5), an inner shell (6) is arranged in the outer shell (1), the left side and the right side of the upper end of the inner shell (6) are movably connected with a signal sensor (7), a metering bin (82) is arranged in the middle of the inner shell (6), a first rotor (8) and a second rotor (9) are fixedly arranged on both sides of the inner shell (6), and one ends of the first rotor (8) and the second rotor (9) far away from the metering bin (82) are fixedly connected with a helical gear (11).

2. A high accuracy flow meter electronic counter as claimed in claim 1, wherein: the spiral gears (11) are four groups, two groups of spiral gears (11) on the same side are meshed with each other, and the first rotor (8) and the second rotor (9) are rotationally connected through the spiral gears (11).

3. A high accuracy flow meter electronic counter as claimed in claim 1, wherein: first bearing (81) of fixed connection between first rotor (8), fixed connection second bearing (91) between second rotor (9), first bearing (81) and second bearing (91) surface all are provided with cycloid tooth (10), cycloid tooth (10) intermeshing and each other do not contact on first bearing (81) and second bearing (91).

4. A high accuracy flow meter electronic counter as claimed in claim 1, wherein: install magnetism steel (12) on helical gear (11), magnetism steel (12) are in under signal sensor (7), signal sensor (7) pass through wire and counter (5) electric connection.

5. A high accuracy flow meter electronic counter as claimed in claim 1, wherein: the metering bin (82) is fixedly welded with a fluid inlet (821) at the left side, the metering bin (82) is fixedly welded with a fluid outlet (822) at the right side, a through hole (111) is formed in the end face of the spiral gear (11), and the through hole (111) is connected with the fluid inlet (821) and the fluid outlet (822).