CN216524135U - Intelligent vortex shedding flowmeter - Google Patents

Abstract

The utility model provides an intelligent vortex shedding flowmeter, which comprises a metering tube and a flow tube, wherein the upper end of the metering tube is provided with a connecting rod, the lower end of the connecting rod is connected with a probe, the probe is arranged in the metering tube, a three-diamond column is arranged in the metering tube, the top end of the connecting rod is connected with an integrating instrument, the outer walls of the metering tube and the flow tube are respectively provided with a vibration damper, each vibration damper comprises an installation seat and a support ring fixed at the upper end of the installation seat, the outer walls of the metering tube and the flow tube are respectively provided with a fixing ring, the outer side of each fixing ring is provided with a plurality of sleeves, the inner wall of each sleeve is provided with a damping pad, the inner side of each support ring is provided with a vibration damping block corresponding to each sleeve, each vibration damping block slides in each damping pad in a damping mode, and a spring is also arranged between each vibration damping block and each fixing ring; the damping pad is used for generating resistance to the vibration reduction block, and the vibration reduction block is matched with the spring to quickly and stably measure the tube, so that the probe is prevented from being interfered by energy continuously generated by vibration force.

Description

Intelligent vortex shedding flowmeter

Technical Field

The utility model mainly relates to the technical field of vortex shedding flowmeters, in particular to an intelligent vortex shedding flowmeter.

Background

The vortex street flowmeter is based on the principle of 'Karman vortex', after fluid touches a triangular prism, two-row line vortexes which are opposite in rotation direction and are regularly arranged can periodically fall off from two sides of the prism, after nonlinear action, the Karman vortex street is formed, then the vortexes collide with a probe which is installed behind, a pulse signal can be generated, and the flow rate can be calculated according to the number of the pulse signal.

The utility model with the current application number of CN201920095508.2 discloses an intelligent vortex shedding flowmeter, which comprises an intelligent vortex shedding flowmeter body, flanges are arranged at two ends of the intelligent vortex shedding flowmeter body, triangular prisms are arranged in the intelligent vortex shedding flowmeter body, one side of the triangular prism is provided with a probe, a long connecting rod is arranged above the intelligent vortex shedding flowmeter body, a flange B is arranged on the upper end surface of the long connecting rod, a short connecting rod is arranged above the long connecting rod, a flange A is arranged on the bottom surface of the short connecting rod, a converter is arranged above the short connecting rod, a display screen is arranged on one side of the converter, a heat-conducting embracing ring is arranged on the outer side above the long connecting rod, the number of the heat-conducting embracing rings is two, the outer side of each heat-conducting embracing ring is provided with a heat radiating fin, and the outer side below the long connecting rod is provided with a supporting ring; the utility model discloses a structure, the radiating efficiency is high, conveniently measures the highly compressed steam of high temperature, nevertheless when the pipeline of flowing gas or liquid receives external vibrational force, the energy that these vibrational forces caused can lead to the fact the interference to the vortex street signal that the inductive probe received, leads to intelligent vortex street flowmeter's calculation error.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an intelligent vortex shedding flowmeter, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides an intelligence vortex flowmeter, wherein, includes the metering tube and locates the mobile pipe at metering tube both ends, the connecting rod is installed to the upper end of metering tube, the lower extreme of connecting rod is connected with the probe, and in the probe was arranged in the metering tube, be equipped with the tridymite post in the metering tube, the top of connecting rod is connected with the integrating instrument, all install vibration damper on the outer wall of metering tube and flow tube, vibration damper includes the mount pad and fixes the support ring in the mount pad upper end, all install solid fixed ring on the outer wall of metering tube and flow tube, gu fixed ring's the outside is equipped with a plurality of sleeves, be equipped with the damping pad on the telescopic inner wall, the inboard of support ring is equipped with the damping piece that corresponds with the sleeve, just the damping piece is in the damping pad damping slip, still be equipped with the spring between damping piece and the solid fixed ring.

Through installing damping device on measurement pipe and flow tube, when the pipeline produced great vibrational force, the measurement pipe can rock to a direction, and the damping pad is used for producing the resistance to the damping piece, and damping piece and spring fit fast and stable measurement pipe, avoids the vibrational force to last the energy that produces to cause the interference to the probe, has improved the accuracy that the integrating instrument calculated.

Furthermore, two detachable radiating fin groups are installed on the outer side of the connecting rod, and heat on the connecting rod is led out through the radiating fin groups, so that the steam flow with higher temperature can be conveniently measured.

Furthermore, the joint of the two radiating fin groups is fixed through a bolt.

Furthermore, first fan and second fan are installed respectively to fin group's upper and lower both ends, first fan and second fan are all external to have the power, the wind direction of first fan is down, the wind direction of second fan is up, dispels the heat to measuring pipe and probe through first fan, dispels the heat to the totalizer through the second fan, are favorable to measuring the steam of higher temperature.

Furthermore, a control circuit is also arranged in the vortex shedding flowmeter and comprises a single chip microcomputer, the single chip microcomputer is respectively connected with a storage battery, a temperature acquisition loop and an amplification shaping loop, a temperature signal is transmitted to the integrating instrument in real time through the temperature loop arranged in the probe, and the first fan and the second fan are started through the single chip microcomputer through the detected high temperature to dissipate heat of the vortex shedding flowmeter; the flow signal is transmitted to the integrating instrument through an amplifying and shaping loop arranged in the probe, the single chip microcomputer is used for measuring pulse signals in the integrating instrument, and the storage battery is used for providing a power supply.

Further, the mounting seat is fixed on a horizontal plane through a bolt.

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

through installing damping device on measurement pipe and flow tube, when the pipeline produced great vibrational force, the measurement pipe can rock to a direction, and the damping pad is used for producing the resistance to the damping piece, and damping piece and spring fit fast and stable measurement pipe, avoids the vibrational force to last the energy that produces to cause the interference to the probe, has improved the accuracy that the integrating instrument calculated.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic structural view of the damping device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is a schematic diagram of a control circuit structure according to the present invention.

In the figure: 1. a metering tube; 2. a flow tube; 3. a connecting rod; 4. a probe; 5. an integrating instrument; 6. a three-diamond column; 7. a vibration damping device; 71. a mounting seat; 72. a support ring; 73. a fixing ring; 74. a sleeve; 75. a damping pad; 76. a vibration damping block; 77. a spring; 81. a fin group; 82. a first fan; 83. a second fan; 91. a single chip microcomputer; 92. a temperature acquisition loop; 93. and amplifying and shaping the loop.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The utility model provides an intelligent vortex shedding flowmeter, as shown in figures 1-4, which comprises a metering tube 1 and flow tubes 2 arranged at two ends of the metering tube 1, wherein the upper end of the metering tube 1 is provided with a connecting rod 3, the lower end of the connecting rod 3 is connected with a probe 4, the probe 4 is arranged in the metering tube 1, a triangular prism 6 is arranged in a cavity of the metering tube 1, the top end of the connecting rod 3 is connected with an integrating instrument 5, the outer walls of the metering tube 1 and the flow tubes 2 are both provided with a vibration damper 7, the vibration damper 7 comprises an installation seat 71 and a support ring 72 fixed at the upper end of the installation seat 71, the outer walls of the metering tube 1 and the flow tubes 2 are both provided with a fixed ring 73, the outer side of the fixed ring 73 is provided with a plurality of sleeves 74, the inner wall of each sleeve 74 is provided with a damping pad 75, the inner side of the support ring 72 is provided with a vibration damper 76 corresponding to the sleeves 74, and the damping block 76 slides in the damping pad 75 in a damping manner, a spring 77 is further arranged between the damping block 76 and the fixing ring 73, and the mounting seat 71 is fixed on a horizontal plane through a bolt.

Through installing damping device on measuring pipe 1 and flow pipe 2, when the pipeline produced great vibrational force, measuring pipe 1 can rock to a direction, and damping pad 75 is used for producing the resistance to damping piece 76, and damping piece 76 and spring 77 cooperation fast and stable measuring pipe 1, avoids the vibrational force to last the energy that produces to cause the interference to probe 4, has improved the accuracy that integrating instrument 5 calculated.

As shown in fig. 1, two detachable fin groups 81 are installed on the outer side of the connecting rod 3, and heat on the connecting rod 3 is led out through the fin groups 81, so that the steam flow with higher temperature can be conveniently measured; the joint of the two fin groups 81 is fixed by bolts; first fan 82 and second fan 83 are installed respectively to fin group 81's upper and lower both ends, first fan 82 and second fan 83 all are external to have the power, first fan 82's wind direction is down, second fan 83's wind direction is up, dispels the heat to measuring pipe 1 and probe 4 through first fan 82, dispels the heat to integrating instrument 5 through second fan 83, are favorable to measuring the steam of higher temperature.

As shown in fig. 1 and 4, the vortex shedding flowmeter is further internally provided with a control circuit, the control circuit comprises a single chip microcomputer 91, the single chip microcomputer 91 is respectively connected with a storage battery, a temperature acquisition loop 92 and an amplification shaping loop 93, a temperature signal is transmitted to the integrating instrument 5 in real time through a temperature loop internally arranged in the probe 4, and the first fan 82 and the second fan 83 are started through the single chip microcomputer 91 to dissipate heat of the vortex shedding flowmeter through detected high temperature; the flow signal is transmitted to the integrating instrument 5 through an amplifying and shaping loop 93 arranged in the probe 4, the singlechip 91 is used for measuring the pulse signal in the integrating instrument 5, and the storage battery is used for providing a power supply.

The specific operation mode of the utility model is as follows:

this vortex flowmeter is in the use, if the pipeline receives external the collision of beating, when producing great vibrational force, measuring pipe 1 and flow pipe 2 can take place to rock, support ring 72 is used for supporting damping block 76, solid fixed ring 73 internal diameter is fixed on the pipeline, the external diameter is used for fixed damping pad 75, damping pad 75 is used for producing the resistance to damping block 76, can quick and stable measuring pipe 1, spring 77 is used for slowly resetting damping block 76, avoid the energy that the vibrational force lasts the production to cause the interference to probe 4, the totalizer 5 of being convenient for measures.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (6)

1. The utility model provides an intelligence vortex flowmeter, its characterized in that, including metering tube (1) and flow tube (2) of locating metering tube (1) both ends, connecting rod (3) are installed to the upper end of metering tube (1), the lower extreme of connecting rod (3) is connected with probe (4), and in metering tube (1) was arranged in to probe (4), metering tube (1) intracavity was equipped with three diamond columns (6), the top of connecting rod (3) is connected with integrating instrument (5), all install damping device (7) on the outer wall of metering tube (1) and flow tube (2), damping device (7) include mount pad (71) and support ring (72) of fixing in mount pad (71) upper end, all install solid fixed ring (73) on the outer wall of metering tube (1) and flow tube (2), the outside of solid fixed ring (73) is equipped with a plurality of sleeves (74), be equipped with damping pad (75) on the inner wall of sleeve (74), the inboard of support ring (72) is equipped with damping piece (76) that correspond with sleeve (74), just damping piece (76) are in damping pad (75) damping slip, still be equipped with spring (77) between damping piece (76) and solid fixed ring (73).

2. An intelligent vortex shedding flowmeter according to claim 1, wherein two detachable heat sink sets (81) are mounted on the outside of the connecting rod (3).

3. The intelligent vortex shedding flowmeter according to claim 2, wherein the joint of the two fin groups (81) is fixed by bolts.

4. The intelligent vortex shedding flowmeter according to claim 2, wherein a first fan (82) and a second fan (83) are respectively mounted at the upper end and the lower end of the radiating fin group (81), the first fan (82) and the second fan (83) are externally connected with a power supply, the wind direction of the first fan (82) faces downwards, and the wind direction of the second fan (83) faces upwards.

5. The intelligent vortex shedding flowmeter according to claim 4, wherein a control circuit is further built in the vortex shedding flowmeter, the control circuit comprises a single chip microcomputer (91), and the single chip microcomputer (91) is respectively connected with a storage battery, a temperature acquisition circuit (92) and an amplification shaping circuit (93).

6. An intelligent vortex shedding flowmeter according to claim 1, wherein the mounting base (71) is bolted to a horizontal surface.

Images