CN212539293U - Rectification structure of ultrasonic measuring device - Google Patents
Rectification structure of ultrasonic measuring device Download PDFInfo
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- CN212539293U CN212539293U CN202021348605.7U CN202021348605U CN212539293U CN 212539293 U CN212539293 U CN 212539293U CN 202021348605 U CN202021348605 U CN 202021348605U CN 212539293 U CN212539293 U CN 212539293U
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Abstract
The utility model relates to an ultrasonic measurement device's rectification structure belongs to acoustics, sensing technical field. The technical scheme is as follows: the ultrasonic measuring device is arranged at the end part of the ultrasonic measuring device, and comprises shells at two ends and a measuring section in the middle; the rectifying structure comprises a notch (1) and a convex edge (7), wherein the notch (1) is arranged at the end part of the shell, the convex edge (7) is longitudinally arranged on the inner wall of the end part of the shell, the notch (1) and the convex edge (7) are arranged on the circumference of the end part of the shell in a staggered manner, and the shell, the notch (1) and the convex edge (7) are integrally formed. The utility model has the advantages that: from taking the rectification structure, with casing integrated into one piece, need not set up the rectification structure in addition, reduced the interference that the disturbance brought.
Description
Technical Field
The utility model relates to an ultrasonic measuring device's rectification structure for measure the ultrasonic measurement structure of flowing medium, especially liquid or gas, belong to acoustics, sensing technical field.
Background
At present, the existing ultrasonic flow sensor structure, especially the small-caliber ultrasonic flow sensor (the inner diameter is less than 40 mm), usually adopts the mode of reflecting ultrasonic waves by a reflector to measure, the reflector reflects the ultrasonic waves to penetrate through the fluid to be measured, and the time difference of forward and backward strokes is calculated so as to calculate the flow velocity information. When the measured fluid is disturbed by a certain kind, the flow velocity center can be deviated, for example, vortex turbulence or velocity profile type turbulence specified in the water meter standard, and if the ultrasonic path reflected by the reflector does not pass through the flow velocity center of the fluid, the measured data can be distorted, thereby causing measurement errors of the water meter. The usual practice facing this problem is: 1. install fairing additional in water gauge upper reaches, for example straightener to make on fluid earlier stabilizes the ultrasonic measurement route at velocity of flow center before getting into the water gauge, because ultrasonic measurement device's rectification structure all need set up alone in addition, the structure is more complicated, and the processing equipment is also very loaded down with trivial details. 2. The reflector is enlarged so that the reflected ultrasonic area covers all of the measured fluid, but this greatly increases the pressure loss of the meter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultrasonic measuring device's rectification structure takes the rectification structure, with casing integration shaping, need not set up the rectification structure in addition, simple structure, the equipment is convenient, the location is reliable, the component part is few, the pressure loss is little, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a rectification structure for ultrasonic measurement is arranged at the end part of an ultrasonic measurement device, and the ultrasonic measurement device comprises shells at two ends and a measurement section in the middle; the rectifying structure comprises a notch and a convex edge, the notch is arranged at the end part of the shell, the convex edge is longitudinally arranged on the inner wall of the end part of the shell, the notch and the convex edge are arranged in a staggered manner on the circumference of the end part of the shell, and the shell, the notch and the convex edge are integrally formed; the shape of the notch is arbitrary, and comprises a strip-shaped groove, a U-shaped groove, a V-shaped opening, a semicircular opening and the like. The quantity of notch is arbitrary, and a plurality of notches all set up the tip at the casing, and the shape of a plurality of notches can be the same, also can be different. The cross-sectional shape of the convex edge is arbitrary, including rectangular, square, trapezoidal, semicircular, and the like. Protruding stupefied and casing integrated into one piece, protruding stupefied quantity is arbitrary, and a plurality of protruding stupefied all sets up on the tip inner wall of casing, and a plurality of protruding stupefied shapes can be the same, also can be different.
A rectification structure of an ultrasonic measuring device is arranged at the end part of the ultrasonic measuring device, the ultrasonic measuring device comprises shells at two ends and a measuring section in the middle, and the rectification structure is characterized in that a notch is formed in the end part of each shell; the shape of the notch is arbitrary, and comprises a strip-shaped groove, a U-shaped groove, a V-shaped opening, a semicircular opening and the like. The quantity of notch is arbitrary, and a plurality of notches all set up the tip at the casing, and the shape of a plurality of notches can be the same, also can be different.
A rectification structure for ultrasonic measurement is arranged at the end part of an ultrasonic measurement device, and the ultrasonic measurement device comprises shells at two ends and a measurement section in the middle; the rectification structure is characterized in that longitudinal convex ridges are arranged on the inner wall of the end part of the shell; the cross-sectional shape of the convex edge is arbitrary, including rectangular, square, trapezoidal, semicircular, and the like. Protruding stupefied and casing integrated into one piece, protruding stupefied quantity is arbitrary, and a plurality of protruding stupefied all sets up on the tip inner wall of casing, and a plurality of protruding stupefied shapes can be the same, also can be different.
The same parts of the respective embodiments are as follows:
a reflector is arranged in a shell of the ultrasonic measuring device, and two side edges of the reflector are connected with the shell and are integrally formed with the shell; the shell and the measuring section are both in a cylindrical shape, the cross section of an inner hole of the measuring section is in an elliptical shape or a similar elliptical shape, the two shells and the measuring section are combined together, and the reflecting direction of the reflector in the shell is consistent with the direction of the central line of the inner hole of the measuring section.
The shape of the reflector in the shell is consistent with that of an inner hole of the measuring section in an oval shape or similar oval shape; the reflector shape may also be different from the elliptical or elliptical-like shape of the inner bore of the measuring section, for example a rectangular reflector, a right circular reflector, etc. The two sides of the reflector are connected with the inner wall of the shell and are integrally formed with the shell.
The measuring section is a reduced part positioned between the two shells, and the sectional area of an inner hole of the measuring section is smaller than that of the inner hole of the shell; the water passing part in the measuring section is an elliptical hole or a similar ellipse, the measuring section is an independent part, and two ends of the measuring section are combined with the two shells to form an ultrasonic measuring structure; the combination mode comprises the following steps: fastening, bonding, inserting, buckling and the like.
The integral molding is injection molding integral molding.
The rectification structure is positioned at the upstream and the downstream of the ultrasonic measuring device and rectifies fluid entering the ultrasonic measuring device, so that the flow state is stable.
The utility model discloses a main innovation point:
the prior art needs to set up the rectification structure in addition on the casing, the utility model discloses direct tip integrated into one piece with the casing is the rectification structure, need not to establish the rectification structure in addition, simple accurate, effectual.
The utility model has the advantages that: from taking the rectification structure, with casing integrated into one piece, need not set up the rectification structure in addition, reduced the interference that the disturbance brought.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of a reflector according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a reduced portion of an embodiment of the present invention;
FIG. 5 is a schematic view of the inner hole corresponding relationship between the reflector and the reduced portion of the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 7 is a schematic diagram of a third structure of the embodiment of the present invention;
in the figure: the sensor comprises a notch 1, a first shell 2, a first sensor mounting hole 3, a reduced part 4, a second shell 5, a second sensor mounting hole 6, a convex edge 7, a second reflector 8, an elliptical hole 9 and a first reflector 10.
Detailed Description
The present invention will be further explained by the following examples and accompanying drawings.
A rectification structure for ultrasonic measurement is arranged at the end part of an ultrasonic measurement device, and the ultrasonic measurement device comprises shells at two ends and a measurement section in the middle; the rectifying structure comprises a notch 1 and a convex edge 7, the notch 1 is arranged at the end part of the shell, the convex edge 7 is longitudinally arranged on the inner wall of the end part of the shell, the notch 1 and the convex edge 7 are arranged in a staggered manner on the circumference of the end part of the shell, and the shell, the notch 1 and the convex edge 7 are integrally formed; the shape of the notch is arbitrary, and comprises a strip-shaped groove, a U-shaped groove, a V-shaped opening, a semicircular opening and the like. The quantity of notch is arbitrary, and a plurality of notches all set up the tip at the casing, and the shape of a plurality of notches can be the same, also can be different. The cross-sectional shape of the convex edge is arbitrary, including rectangular, square, trapezoidal, semicircular, and the like. Protruding stupefied and casing integrated into one piece, protruding stupefied quantity is arbitrary, and a plurality of protruding stupefied all sets up on the tip inner wall of casing, and a plurality of protruding stupefied shapes can be the same, also can be different.
In the first embodiment, referring to fig. 1 and 2, the rectifying structure includes a notch 1 and a convex edge 7, the notch 1 is provided at an end of the casing, the convex edge 7 is longitudinally provided on an inner wall of the end of the casing, the notch 1 and the convex edge 7 are arranged in a staggered manner on the circumference of the end of the casing, and the casing is integrally formed with the notch 1 and the convex edge 7; in this embodiment, notch 1 is U type groove, and the quantity is four, and along the circumference equipartition on the casing tip, protruding stupefied 7 cross-sectional shape is the rectangle, and the quantity is four, along the equipartition on the casing tip inner wall circumference, four notches and four protruding stupefied on the casing tip circumference staggered arrangement.
A rectification structure of an ultrasonic measuring device is arranged at the end part of the ultrasonic measuring device, the ultrasonic measuring device comprises shells at two ends and a measuring section in the middle, and the rectification structure is characterized in that a notch 1 is formed in the end part of each shell; the shape of the notch is arbitrary, and comprises a strip-shaped groove, a U-shaped groove, a V-shaped opening, a semicircular opening and the like. The quantity of notch is arbitrary, and a plurality of notches all set up the tip at the casing, and the shape of a plurality of notches can be the same, also can be different.
In the second embodiment, referring to fig. 6, the rectifying structure is that a notch 1 is formed at the end of the shell; in this embodiment, the notch of rectification structure is U type groove, and quantity is four, along the equipartition on the circumference of casing tip.
A rectification structure for ultrasonic measurement is arranged at the end part of an ultrasonic measurement device, and the ultrasonic measurement device comprises shells at two ends and a measurement section in the middle; the rectification structure is characterized in that longitudinal convex ridges 7 are arranged on the inner wall of the end part of the shell; the cross-sectional shape of the convex edge is arbitrary, including rectangular, square, trapezoidal, semicircular, and the like. Protruding stupefied and casing integrated into one piece, protruding stupefied quantity is arbitrary, and a plurality of protruding stupefied all sets up on the tip inner wall of casing, and a plurality of protruding stupefied shapes can be the same, also can be different.
In the third embodiment, referring to fig. 7, the rectification structure is that longitudinal convex ridges 7 are arranged on the inner wall of the end part of the shell; in this embodiment, the cross-sectional shape of the convex edge of the rectifying structure is rectangular, and the number of the convex edge is four, and the convex edge is uniformly distributed along the circumference of the inner wall of the end part of the shell.
The same parts of the respective examples are as follows:
the same parts of the respective examples are as follows:
a reflector is arranged in a shell of the ultrasonic measuring device, and two side edges of the reflector are connected with the shell and are integrally formed with the shell; the shell and the measuring section are both in a cylindrical shape, the cross section of an inner hole of the measuring section is in an elliptical shape or a similar elliptical shape, the two shells and the measuring section are combined together, and the reflecting direction of the reflector in the shell is consistent with the direction of the central line of the inner hole of the measuring section.
The shape of the reflector in the shell is consistent with that of an inner hole of the measuring section in an oval shape or similar oval shape; the reflector shape may also be different from the elliptical or elliptical-like shape of the inner bore of the measuring section, for example a rectangular reflector, a right circular reflector, etc. The two sides of the reflector are connected with the inner wall of the shell and are integrally formed with the shell.
The number of the shells is two, namely a shell I2 and a shell II 5; the number of the rectification structures is two, and the rectification structures are a rectification structure I and a rectification structure II respectively; the number of the reflectors is two, namely a reflector I10 and a reflector II 8; the first shell 2 is provided with a sensor mounting hole 3, a first rectifying structure and a first reflector 10, and the second shell 5 is provided with a sensor mounting hole 6, a second rectifying structure and a second reflector 8.
The measuring section is a reduced part 4 positioned between the two shells, and the sectional area of an inner hole of the measuring section is smaller than that of the inner hole of the shell; the water passing part in the measuring section is an elliptical hole or a similar ellipse, and the embodiment is an elliptical hole 9. The measuring section is an independent part, and two ends of the measuring section are combined with the two shells to form an ultrasonic measuring structure; the combination mode comprises the following steps: fastening, bonding, inserting, buckling and the like.
The integral molding is injection molding integral molding.
The rectification structure is positioned at the upstream and the downstream of the ultrasonic measuring device and rectifies fluid entering the ultrasonic measuring device, so that the flow state is stable.
The utility model discloses a main innovation point:
the prior art needs to set up the rectification structure in addition on the casing, the utility model discloses direct tip integrated into one piece with the casing is the rectification structure, need not to establish the rectification structure in addition, simple accurate, effectual.
Claims (5)
1. The utility model provides an ultrasonic measuring device's rectification structure which characterized in that: the ultrasonic measuring device is arranged at the end part of the ultrasonic measuring device, and comprises shells at two ends and a measuring section in the middle; the rectifying structure comprises a notch (1) and a convex edge (7), wherein the notch (1) is arranged at the end part of the shell, the convex edge (7) is longitudinally arranged on the inner wall of the end part of the shell, the notch (1) and the convex edge (7) are arranged on the circumference of the end part of the shell in a staggered manner, and the shell, the notch (1) and the convex edge (7) are integrally formed.
2. A rectifying structure of an ultrasonic measuring device according to claim 1, characterized in that: a reflector is arranged in a shell of the ultrasonic measuring device, and two side edges of the reflector are connected with the shell and are integrally formed with the shell; the shell and the measuring section are both in a cylindrical shape, the cross section of an inner hole of the measuring section is in an elliptical shape or a similar elliptical shape, the two shells and the measuring section are combined together, and the reflecting direction of the reflector in the shell is consistent with the direction of the central line of the inner hole of the measuring section.
3. A rectifying structure of an ultrasonic measuring device according to claim 2, characterized in that: the shape of the reflector in the shell is consistent with that of an inner hole of the measuring section in an oval shape or similar oval shape; the two sides of the reflector are connected with the inner wall of the shell and are integrally formed with the shell.
4. A rectifying structure of an ultrasonic measuring device according to claim 2, characterized in that: the reflector in the shell is a rectangular reflector, and two sides of the reflector are connected with the inner wall of the shell and integrally formed with the shell.
5. The utility model provides an ultrasonic measuring device's rectification structure which characterized in that: the ultrasonic measuring device is arranged at the end part of the ultrasonic measuring device, the ultrasonic measuring device comprises shells at two ends and a measuring section in the middle, and the rectifying structure is a notch (1) formed in the end part of the shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348605.7U CN212539293U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
| CN202022830087.9U CN213515818U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348605.7U CN212539293U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022830087.9U Division CN213515818U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
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| CN212539293U true CN212539293U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021348605.7U Active CN212539293U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
| CN202022830087.9U Active CN213515818U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022830087.9U Active CN213515818U (en) | 2020-07-10 | 2020-07-10 | Rectification structure of ultrasonic measuring device |
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| CN213515818U (en) | 2021-06-22 |
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