CN217520538U - Ultrasonic flowmeter without front straight pipe section - Google Patents

Ultrasonic flowmeter without front straight pipe section Download PDF

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Publication number
CN217520538U
CN217520538U CN202220467527.5U CN202220467527U CN217520538U CN 217520538 U CN217520538 U CN 217520538U CN 202220467527 U CN202220467527 U CN 202220467527U CN 217520538 U CN217520538 U CN 217520538U
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Prior art keywords
rectifying
component
flow meter
section
sensor
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CN202220467527.5U
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Chinese (zh)
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赵卓识
张斌
所广海
张冬伟
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Shanghai Acol Gas Testing And Controlling Equipment Co ltd
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Shanghai Acol Gas Testing And Controlling Equipment Co ltd
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Abstract

The utility model discloses an ultrasonic flowmeter without a front straight pipe section; the ultrasonic flowmeter comprises an ultrasonic flowmeter, wherein a display is arranged at the top end of the ultrasonic flowmeter, a metering cavity is formed in the ultrasonic flowmeter, and a rectifying mechanism composed of a first rectifying assembly and a second rectifying assembly is arranged at the inlet end of the ultrasonic flowmeter. The utility model provides a first rectifying component and a second rectifying component; lug one and blade one can carry out the rectification to the fluid, can carry out the rectification with vortex, the turbulent flow in the fluid, satisfy ultrasonic transducer required state of work, improve ultrasonic transducer measurement stability and accuracy, and through-hole and grid one and grid two can carry out the secondary water conservancy diversion to the fluid simultaneously, make its state satisfy the test condition, can improve ultrasonic transducer measurement stability and accuracy, and the practicality is higher.

Description

Ultrasonic flowmeter without front straight pipe section
Technical Field
The utility model relates to an ultrasonic flowmeter technical field specifically is an ultrasonic flowmeter of straight tube section before no.
Background
The ultrasonic flowmeter is developed based on the principle that the propagation speed of ultrasonic waves in a flowing medium is equal to the vector sum of the average flow speed of a measured medium and the speed of sound waves in a static medium, mainly comprises a transducer and a converter, and has different types such as a Doppler method, a speed difference method, a beam offset method, a noise method and a correlation method.
However, the front straight pipe section is required to be arranged outside the ultrasonic flowmeter, the space requirement required by field installation is high, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultrasonic flowmeter of straight tube section before no to the outside that proposes common ultrasonic flowmeter in solving above-mentioned background art need set up leading straight tube section, and the required space requirement of field installation is higher, and the practicality is relatively poor, and common ultrasonic flowmeter also can not reduce the radial pulsating flow that its turbulent flow brought, can not realize the promotion of ultrasonic flowmeter accuracy, the relatively poor problem of practicality.
The utility model provides a following technical scheme: the ultrasonic flowmeter comprises an ultrasonic flowmeter 1, wherein a display 2 is arranged at the top end of the ultrasonic flowmeter 1, a metering cavity 5 is formed in the ultrasonic flowmeter 1, and a rectifying mechanism consisting of a first rectifying component 6 and a second rectifying component 7 is arranged at the inlet end of the ultrasonic flowmeter 1;
the first rectifying component 6 is a disc with a cross section formed by distributing a plurality of fan blades, and the second rectifying component 7 is a rectifying part with a cross section formed by a plurality of polygons.
Preferably, the first rectifying assembly 6 and the second rectifying assembly 7 are connected by a plug assembly 11 in a matching way.
Preferably, the second rectifying component 7 is a rectifying part with a cross section composed of a plurality of hexagons, and the first rectifying component 6 and the second rectifying component 7 with a cross section composed of a plurality of hexagons form a first rectifying mechanism.
Preferably, the second rectification component 7 is a rectification component formed by a vertical grid and a horizontal grid, the cross section of the rectification component is formed by a plurality of lattices, the vertical grid and the horizontal grid are arranged in a matching way, and the cross sections of the vertical grid and the horizontal grid are arranged in an included angle manner; and the first rectifying component 6, a second rectifying component 7 with a square-shaped cross section and formed by the vertical grids and the horizontal grids form a second rectifying mechanism.
Preferably, said first rectifying assembly 6 comprises: a first rectifying disk 601, a first bump 606 and a first blade 607;
the second rectifying member 7 includes: a second rectifier disk 602 and a third rectifier disk 603;
a first protruding block 606 is arranged inside the first rectifying disc 601, and a first blade 607 is arranged between the first protruding block 606 and the first rectifying disc 601.
Preferably, the first vanes 607 are annularly distributed outside the first projections 606.
Preferably, the second rectifying assembly 7 comprises: a second fairing 602, a third fairing 603, a first grille 608 and a second grille 609.
Preferably, the first vanes 607 are annularly distributed outside the first projections 606, and the first grids 608 and the second grids 609 are connected to form a plurality of polygons in cross section and are arranged in an acute angle, a right angle or an obtuse angle.
Preferably, the first and second fairing components 6, 7 are made of one of metal and plastic.
Preferably, a first sensor 8, a second sensor 9 and a third sensor 10 are arranged inside the metering cavity 5, two identical sensors are arranged on the first sensor 8 and the second sensor 9, and the first sensor 8 and the second sensor 9 are symmetrically distributed around the central line of the metering cavity 5.
Compared with the prior art, the utility model provides a pair of ultrasonic flowmeter of straight tube section before no has following beneficial effect:
the utility model provides a there is first rectification subassembly or second rectification subassembly, lug one and blade one can carry out the rectification to the fluid, can be with the vortex in the fluid, the turbulent flow rectifies, satisfy ultrasonic transducer required state of working, improve ultrasonic transducer measurement stability and accuracy, and the inside through-hole of second rectification subassembly, can carry out the secondary water conservancy diversion to the fluid, lug one and blade one can rectify the fluid simultaneously, can be with the vortex in the fluid before managing, the turbulent flow rectifies, satisfy ultrasonic transducer required state of working, improve ultrasonic transducer measurement stability and accuracy, and grid one and grid two, can carry out the secondary water conservancy diversion to the fluid, make its state satisfy the test condition, can improve ultrasonic transducer measurement stability and accuracy, the practicality is higher.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic perspective view of a first rectifying assembly of the present invention;
fig. 5 is a schematic perspective view of a first rectifying assembly of the present invention;
fig. 6 is a schematic perspective view of a second rectifying assembly according to the present invention.
In the figure: 1. an ultrasonic flow meter; 2. a display; 5. a metering chamber; 6. a first rectifying component; 601. a first rectifying disc; 602. a second rectifying disc; 603. a third rectifying disc; 606. a first bump; 607. a first blade; 7. a second rectifying component; 608. a first grid; 609. a second grid; 8. a first sensor; 9. a second sensor; 10. a third sensor; 11. a plug assembly.
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 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.
Example 1:
referring to fig. 1-6, the present embodiment relates to an ultrasonic flowmeter without a front straight pipe section, which includes an ultrasonic flowmeter 1, a display 2 is disposed at the top end of the ultrasonic flowmeter 1, a metering cavity 5 is disposed inside the ultrasonic flowmeter 1, and a rectifying mechanism composed of a first rectifying component 6 and a second rectifying component 7 is disposed at the inlet end of the ultrasonic flowmeter 1; the first rectifying component 6 and the second rectifying component 7 are connected in a matching way by a plug component 11;
the first rectifying component 6 is a disk with a cross section formed by distributing a plurality of fan blades, and the second rectifying component 7 is a honeycomb-shaped rectifying component with a cross section formed by a plurality of regular hexagons.
The first rectifying assembly 6 comprises: a first rectifying disk 601, a first bump 606 and a first blade 607;
the first vanes 607 are annularly distributed outside the first projections 606.
The first sensor 8, the second sensor 9 and the third sensor 10 are arranged inside the metering cavity 5, the first sensor 8 and the second sensor 9 are arranged in the same two, and the first sensor 8 and the second sensor 9 are symmetrically distributed around the central line of the metering cavity 5.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, in the process of using the device, the first bump 606 and the first blade 607 can rectify the fluid, play a role in guiding the fluid, reduce the pressure loss caused by the gas impacting the rectifying disc, and can rectify the vortex and the turbulence in the fluid in front of the tube into uniform speed, thereby meeting the state required by the operation of the ultrasonic transducer and improving the measurement stability and the measurement accuracy of the ultrasonic transducer.
Example 2:
the embodiment relates to an ultrasonic flowmeter without a front straight pipe section, which comprises an ultrasonic flowmeter 1, wherein the top end of the ultrasonic flowmeter 1 is provided with a display 2, a metering cavity 5 is formed in the ultrasonic flowmeter 1, and the inlet end of the ultrasonic flowmeter 1 is provided with a rectifying mechanism consisting of a first rectifying component 6 and a second rectifying component 7; the first rectifying component 6 and the second rectifying component 7 are connected in a matching way through a plug-in component 11;
the first rectifying component 6 is a fan blade disc with a cross section formed by a plurality of fan blade discs distributed by taking the circle center of the first rectifying disc 601 as the axis, and the second rectifying component 7 is formed by a vertical grating and a horizontal grating; and the cross section is a plurality of rectifying components formed in a grid shape.
The second rectifying member 7 includes: a second fairing 602, a third fairing 603, a first grille 608 and a second grille 609.
The first rectifying member 6 includes: a first rectifying disk 601, a first bump 606 and a first blade 607;
the first vanes 607 are annularly distributed outside the first projections 606.
The first blades 607 are annularly distributed on the outer side of the first protruding blocks 606, and the cross sections of the first grids 608 and the second grids 609 form included angles (acute angles, right angles and obtuse angles), so that the second rectifying component 7 with the cross sections formed by a plurality of quadrangles is finally formed.
The first rectifying component 6 and the second rectifying component 7 are made of one of metal and plastic materials.
The inside of the metering cavity 5 is provided with a first sensor 8, a second sensor 9 and a third sensor 10, the first sensor 8 and the second sensor 9 are provided with two same sensors, and the first sensor 8 and the second sensor 9 are symmetrically distributed around the central line of the metering cavity 5.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, in the process of using the device, the first bump 606 and the first blade 607 can rectify the fluid to play a role in guiding flow, reduce the pressure loss caused by the gas impacting the rectifying disc, and can arrange the vortex and the turbulence in the fluid in front of the tube into uniform speed, so as to meet the required state of the ultrasonic transducer, so as to improve the measurement stability and the measurement accuracy of the ultrasonic transducer, and the first grid 608 (a horizontal grid or a vertical grid) and the second grid 609 (a horizontal grid or a vertical grid) can guide the fluid for the second time, so that the state of the fluid meets the test condition.
The working principle is as follows: the fluid enters the measuring cavity 5, the first sensor 8 and the second sensor 9 in the measuring cavity 5 can detect the fluid, when the gas flows through the first rectifying component 6 or the second rectifying component 7, the first bump 606 and the first blade 607 can rectify the fluid to play a role in guiding flow, and can rectify vortex and turbulence in the fluid in front of the tube to meet the working required state of the ultrasonic transducer, thereby improving the measuring stability and accuracy of the ultrasonic transducer, and the second rectifying component 7 can rectify the fluid to play a role in guiding flow, thereby rectifying the vortex and turbulence in the fluid in front of the tube to meet the working required state of the ultrasonic transducer, thereby improving the measuring stability and accuracy of the ultrasonic transducer, and the first grating 608 and the second grating 609 can secondarily guide the fluid to enable the state to meet the testing conditions, thereby realizing diversified design, the customer can select first rectification subassembly 6 or second rectification subassembly 7 to use according to actual conditions, through having increased flow area, can carry out the rectification, steady and fluid direction along the unanimous fluid of measurement chamber 5 axial with vortex, the turbulent flow in the fluid before the pipe, satisfies ultrasonic transducer required state of working, improves ultrasonic transducer measurement stability and accuracy, and the practicality is higher.
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 various 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 (10)

1. An ultrasonic flow meter without a front straight pipe section, comprising an ultrasonic flow meter (1), characterized in that: the top end of the ultrasonic flowmeter (1) is provided with a display (2), a metering cavity (5) is formed in the ultrasonic flowmeter (1), and the inlet end of the ultrasonic flowmeter (1) is provided with a rectifying mechanism consisting of a first rectifying assembly (6) and a second rectifying assembly (7);
the first rectifying component (6) is a disc with a cross section formed by distributing a plurality of fan blades, and the second rectifying component (7) is a rectifying part with a cross section formed by a plurality of polygons.
2. The ultrasonic flow meter of claim 1, wherein: the first rectifying assembly (6) and the second rectifying assembly (7) are connected in a matched mode through a plug assembly (11).
3. The ultrasonic flow meter of claim 1, without a forward straight tube section, wherein: the second rectifying component (7) is a rectifying part with a cross section formed by a plurality of hexagons, and the first rectifying component (6) and the second rectifying component (7) with a cross section formed by a plurality of hexagons form a first rectifying mechanism.
4. The ultrasonic flow meter of claim 1, wherein: the second rectifying component (7) is a rectifying component which is composed of a vertical grating and a horizontal grating and has a cross section formed by a plurality of lattices, the vertical grating and the horizontal grating are arranged in a matching way, and the cross section is arranged in an included angle way; the cross section formed by the first rectifying component (6), the vertical grids and the horizontal grids is formed by a second rectifying component (7) formed by a plurality of grid shapes to form a second rectifying mechanism.
5. The ultrasonic flow meter of claim 1 without a straight forward tube section, wherein: the first rectifying assembly (6) comprises: a first rectifying disc (601), a first bump (606) and a first blade (607);
the second rectifying assembly (7) comprises: a second rectifier disc (602) and a third rectifier disc (603);
a first bump (606) is arranged inside the first rectifying disc (601), and a first blade (607) is arranged between the first bump (606) and the first rectifying disc (601).
6. An ultrasonic flow meter without a straight forward pipe section according to claim 5, wherein: the first blades (607) are distributed outside the first lugs (606) by taking the circle center of the first rectifying disc (601) as an axis.
7. The ultrasonic flow meter of claim 1 without a straight forward tube section, wherein: the second rectifying assembly (7) comprises: a second rectifying disc (602), a third rectifying disc (603), a first grid (608) and a second grid (609).
8. The ultrasonic flow meter of claim 7 without a straight forward tube section, wherein: the cross section of the first grid (608) and the second grid (609) is formed by a plurality of polygons after being connected.
9. The ultrasonic flow meter of claim 1 without a straight forward tube section, wherein: the first rectifying component (6) and the second rectifying component (7) are made of one of metal and plastic materials.
10. The ultrasonic flow meter of claim 1 without a straight forward tube section, wherein: the measuring cavity is characterized in that a first sensor (8), a second sensor (9) and a third sensor (10) are arranged inside the measuring cavity (5), the first sensor (8) and the second sensor (9) are provided with two same sensors, and the first sensor (8) and the second sensor (9) are symmetrically distributed about the central line of the measuring cavity (5).
CN202220467527.5U 2022-03-04 2022-03-04 Ultrasonic flowmeter without front straight pipe section Active CN217520538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220467527.5U CN217520538U (en) 2022-03-04 2022-03-04 Ultrasonic flowmeter without front straight pipe section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220467527.5U CN217520538U (en) 2022-03-04 2022-03-04 Ultrasonic flowmeter without front straight pipe section

Publications (1)

Publication Number Publication Date
CN217520538U true CN217520538U (en) 2022-09-30

Family

ID=83368682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220467527.5U Active CN217520538U (en) 2022-03-04 2022-03-04 Ultrasonic flowmeter without front straight pipe section

Country Status (1)

Country Link
CN (1) CN217520538U (en)

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