CN213842271U - Electronic pulse vortex street flowmeter - Google Patents

Abstract

The utility model discloses an electronic pulse vortex shedding flowmeter, which comprises a supporting rod and a meter body, wherein the supporting rod is arranged on the outer wall of the upper end of the meter body, the upper side of the supporting rod is provided with an instrument panel, when the numerical value on the instrument panel needs to be recorded, a handle post can be held firstly, a wiping pad is driven to rotate by the handle post, pollutants on the outer wall of the front end of a magnifier are cleaned, the numerical value on a display can be seen quickly, after the cleaning is finished, the position where the wiping pad stops cannot obstruct a paper slot to watch the display, the numerical value on the display is enlarged by using the magnifier, the magnifier can be seen clearly, errors are avoided, after the magnifier is used for a long time, the cleaning pad can be used for cleaning, the influence of water stain and dust on the watching of the display is reduced, and after the magnifier is used for a long time, impurities exist in a filter tube, in order to reduce the blockage of the filter screen by impurities, the impurities can be discharged by opening the valve, and the influence of the impurities on the vortex shedding flowmeter is reduced.

Description

Electronic pulse vortex street flowmeter

Technical Field

The utility model belongs to the technical field of the vortex flowmeter is relevant, concretely relates to electronic pulse vortex flowmeter.

Background

The vortex shedding flowmeter is a volume flowmeter which is produced according to the Karman vortex shedding principle and is used for measuring the volume flow, standard condition volume flow or mass flow of gas, steam or liquid. The flow meter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media such as gas, liquid, steam and the like, and is characterized by small pressure loss, wide measuring range and high precision, and is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the working condition volume flow. No movable mechanical parts are needed, so the reliability is high and the maintenance amount is small. The instrument parameters can be stable for a long time. The vortex flowmeter adopts a piezoelectric stress sensor, has high reliability and can work within the working temperature range of-20 ℃ to +250 ℃. The analog standard signal and the digital pulse signal are output, so that the digital pulse signal measuring instrument is easily matched with a computer and other digital systems, and is an advanced and ideal measuring instrument.

The prior vortex shedding flowmeter technology has the following problems: the existing vortex shedding flowmeter is not provided with any filtering device, so that the vortex shedding flowmeter is blocked easily, meanwhile, numerical values cannot be accurately displayed, and a display is small and cannot be seen clearly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic pulse vortex street flowmeter to it does not have any filter equipment to easily cause the vortex street flowmeter card to die and the less not aspect of the quick clear problem of seeing of display to propose on the current vortex street flowmeter in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic pulse vortex shedding flowmeter comprises a supporting rod and a meter body, wherein the supporting rod is installed on the outer wall of the upper end of the meter body, an instrument panel is arranged on the upper side of the supporting rod, the supporting rod and the instrument panel are fixedly connected through a locking nut, a fixing sleeve is sleeved outside the instrument panel, a display is arranged inside the outer wall of the front end of the instrument panel, a water inlet pipe is fixed on the outer wall of the left end of the meter body, a filter pipe is fixed on the water inlet pipe, an outlet pipe is fixed on the outer wall of the circumference at the lower end of the filter pipe, a water outlet pipe is fixed on the outer wall of the right end of the meter body, a flange is fixed on the outer wall of the right end of the water outlet pipe, a filter screen is arranged inside the filter pipe, a magnifier is fixed inside the outer wall of the front end of the fixing sleeve, a wiping pad is arranged on the fixing sleeve on the front side of the magnifier, a handle column is fixed on the outer wall of the front end of the fixing sleeve, a connecting groove is formed inside the circumferential inner wall of the front side, the inside draw-in groove of having seted up of spread groove circumference inner wall, the inside of draw-in groove is provided with the fixture block, fixture block and cleaning pad pass through connecting block fixed connection.

Preferably, a flange is also fixed on the outer wall of the left end of the water inlet pipe.

Preferably, a valve is arranged on the outlet pipe.

Preferably, the inner wall of the circumference of the rear side of the fixed sleeve is sleeved with a rubber ring.

Preferably, the outer wall of the circumference of the handle column is provided with anti-skid grains.

Preferably, the magnifier is a transparent convex lens.

Compared with the prior vortex street flowmeter technology, the utility model provides an electronic pulse vortex street flowmeter possesses following beneficial effect:

the utility model discloses the inlet tube and the outlet pipe of vortex shedding flowmeter are installed with the flange, can be convenient for the installation of device, improve the installation efficiency of device, simultaneously close the outlet pipe through the valve, improve the leakproofness of filter tube, avoid the phenomenon that the outlet pipe junction appears the infiltration, guarantee the leakproofness of device, and can overlap the fixed cover on the panel board, the rubber circle has been cup jointed on the peripheral inner wall of the rear side of the fixed cover, so not only make the fixed cover fix on the outer wall of panel board, and improve the leakproofness, avoid dust or steam to enter on the outer wall of magnifier rear end, pollute the magnifying glass, cause the condition that can't be seen clearly, after the fluid flows into the filter tube through the water pipe, after filtering through the filter screen, enter into the vortex shedding flowmeter, filter some impurity, reduce the situation that the vortex shedding flowmeter appears blocking, when the numerical value on the panel board needs to be recorded, at first can hold the handle post, it is rotatory to drive the pad of cleaning through the handle post, clear up the pollutant on the front end outer wall of magnifying glass, be favorable to seeing the numerical value on the display fast, the back has been cleared up, make the position that the pad of cleaning stopped can not hinder the paper groove and watch the display, recycle the magnifying glass and send out big with the numerical value on the display, make that the operator can see clearer, avoid makeing mistakes, and after long-time the use, also can clear up the magnifying glass through the pad of cleaning, reduce water stain and dust to the influence of watching the display, use the back for a long time simultaneously, have some impurity in the chimney filter, block up the filter screen in order to reduce impurity, can emit impurity through opening the valve, reduce the influence of impurity to vortex flowmeter.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic front structural view of an electronic pulse vortex shedding flowmeter according to the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of a filter tube according to the present invention;

fig. 3 is a schematic view of the structure of the profile analyzer of the side of the fixing sleeve of the present invention;

fig. 4 is a schematic view of a cross-section a according to the present invention;

in the figure: 1. fixing a sleeve; 2. locking the nut; 3. a strut; 4. a filter tube; 5. a water inlet pipe; 6. an outlet pipe; 7. a display; 8. an instrument panel; 9. a watch body; 10. a water outlet pipe; 11. a flange; 12. filtering with a screen; 13. a handle post; 14. a wiping pad; 15. a magnifying glass; 16. a card slot; 17. connecting grooves; 18. connecting blocks; 19. and (7) clamping blocks.

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. 1-4, the present invention provides a technical solution: an electronic pulse vortex shedding flowmeter comprises a supporting rod 3 and a meter body 9, wherein the supporting rod 3 is installed on the outer wall of the upper end of the meter body 9, the upper side of the supporting rod 3 is provided with an instrument panel 8, the supporting rod 3 and the instrument panel 8 are fixedly connected through a locking nut 2, the outer part of the instrument panel 8 is sleeved with a fixing sleeve 1, the inner part of the outer wall of the front end of the instrument panel 8 is provided with a display 7, the outer wall of the left end of the meter body 9 is fixed with a water inlet pipe 5, the water inlet pipe 5 is fixed with a filter pipe 4, the outer wall of the circumference of the lower end of the filter pipe 4 is fixed with an outlet pipe 6, the outer wall of the right end of the meter body 9 is fixed with a water outlet pipe 10, the outer wall of the right end of the water outlet pipe 10 is fixed with a flange 11, the inner part of the filter pipe 4 is provided with a filter screen 12, the inner part of the outer wall of the front end of the fixing sleeve 1 is fixed with a magnifying lens 15, the fixing sleeve 1 is provided with a wiping pad 14, the outer wall of the front end of the wiping pad is fixed with a handle column 13, the fixing sleeve 1 is provided with a connecting groove 17 close to the inner part of the inner wall of the circumference of the front side, a clamping groove 16 is formed in the inner wall of the circumference of the connecting groove 17, a clamping block 19 is arranged in the clamping groove 16, and the clamping block 19 is fixedly connected with the wiping pad 14 through a connecting block 18.

An electronic pulse vortex shedding flowmeter comprises a supporting rod 3 and a meter body 9, wherein a flange 11 is also fixed on the outer wall of the left end of a water inlet pipe 5, so that the vortex shedding flowmeter can be fixed by using the flange 11 to measure the flow of a medium fluid, a valve is arranged on an outlet pipe 6, the outlet pipe 6 is closed by the valve, the tightness of a filter pipe 4 is improved, the phenomenon that the joint of the outlet pipe 6 is seeped water is avoided, the tightness of the device is ensured, a rubber ring is sleeved on the circumferential inner wall of the rear side of a fixing sleeve 1, so that the fixing sleeve 1 is fixed on the outer wall of an instrument panel 8, the tightness is improved, dust or water vapor is prevented from entering the outer wall of the rear end of a magnifier 15 to pollute the magnifier 15 and cause the condition that the magnifier cannot be seen clearly, anti-skid grains are arranged on the circumferential outer wall of a handle column 13, the handle column 13 is convenient to hold, a wiping pad 14 is rotated by rotating the handle column 13, clear up the pollutant on the front end outer wall of magnifying glass 15, be favorable to seeing the numerical value on the display 7 clearly fast, magnifying glass 15 is transparent convex lens, can see through magnifying glass 15 like this and see the numerical value on the display 7 clearly, reduces the artificial situation of appearing the record error.

The utility model discloses a theory of operation and use flow: when the vortex street flow meter of the utility model is installed, the water pipe is respectively installed on the flanges 11 of the water inlet pipe 5 and the water outlet pipe 10, the vortex street flow meter can be fixed through the nut, so that the fluid flows into the water inlet pipe 5 through the water pipe, then enters the filter pipe 4, is filtered through the filter screen 12, and then enters the vortex street flow meter, some impurities are filtered, the situation of the vortex street flow meter which is stuck is reduced, when the numerical value on the instrument panel 8 is required to be recorded, the handle column 13 can be firstly held, the cleaning pad 14 is driven to rotate through the handle column 13, pollutants on the outer wall of the front end of the magnifier 15 are cleaned, the numerical value on the display 7 can be conveniently and quickly seen, after the cleaning is finished, the position where the cleaning pad 14 stops cannot obstruct the paper slot to watch the display 7, the numerical value on the display 7 is enlarged by utilizing the magnifier 15, so that an operator can see more clearly, avoid makeing mistakes, and after long-time the use, also can clear up magnifying glass 15 through wiping pad 14, reduce water stain and dust to the influence of watching display 7, use the back for a long time simultaneously, have some impurity in the chimney filter 4, block up filter screen 12 in order to reduce impurity, can clear up impurity, during clearance impurity, open the valve on the outlet pipe 6 for fluid and impurity flow out through outlet pipe 6 together, then it can to close the valve again.

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 (6)

1. The utility model provides an electron pulse vortex flowmeter, includes branch (3) and table body (9), its characterized in that: the utility model discloses a table, including table body (9), branch (3), panel board (8) are installed on table body (9) upper end outer wall to the upside of branch (3), branch (3) and panel board (8) are through lock nut (2) fixed connection, fixed cover (1) has been cup jointed to the outside of panel board (8), panel board (8) front end outer wall is inside to be provided with display (7), be fixed with inlet tube (5) on table body (9) left end outer wall, be fixed with chimney filter (4) on inlet tube (5), be fixed with outlet pipe (6) on chimney filter (4) lower extreme circumference outer wall, be fixed with outlet pipe (10) on table body (9) right-hand member outer wall, be fixed with flange (11) on outlet pipe (10) right-hand member outer wall, the inside of chimney filter (4) is provided with filter screen (12), fixed cover (1) front end outer wall is inside to be fixed with magnifying glass (15), be provided with on fixed cover (1) of magnifying glass (15) front side and clean pad (14), it is fixed with handle post (13) on the outer wall of cleaning pad (14) front end, fixed cover (1) has been seted up by front side circumference inner wall inside spread groove (17), spread groove (17) circumference inner wall inside has been seted up draw-in groove (16), the inside of draw-in groove (16) is provided with fixture block (19), fixture block (19) and cleaning pad (14) pass through connecting block (18) fixed connection.

2. The electronic pulse vortex shedding flowmeter of claim 1, wherein: a flange (11) is also fixed on the outer wall of the left end of the water inlet pipe (5).

3. The electronic pulse vortex shedding flowmeter of claim 1, wherein: and a valve is arranged on the outlet pipe (6).

4. The electronic pulse vortex shedding flowmeter of claim 1, wherein: the rear side of the fixed sleeve (1) is sleeved with a rubber ring on the inner circumferential wall.

5. The electronic pulse vortex shedding flowmeter of claim 1, wherein: and anti-skid grains are arranged on the circumferential outer wall of the handle column (13).

6. The electronic pulse vortex shedding flowmeter of claim 1, wherein: the magnifier (15) is a transparent convex lens.

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