CN107631767B - Ultrasonic flowmeter - Google Patents
Ultrasonic flowmeter Download PDFInfo
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- CN107631767B CN107631767B CN201710800069.6A CN201710800069A CN107631767B CN 107631767 B CN107631767 B CN 107631767B CN 201710800069 A CN201710800069 A CN 201710800069A CN 107631767 B CN107631767 B CN 107631767B
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The invention discloses an ultrasonic flowmeter, which comprises a polygonal prism-shaped shell, flanges fixed on two opposite sides of the shell, a converter fixed on one end face of the shell, and at least one pair of ultrasonic transducers fixed on two opposite sides of the shell different from the side where the flanges are positioned; the shell is provided with a through hole penetrating through the side face of the shell mounting flange, and two ends of the through hole are respectively communicated with the flange at the corresponding end. According to the invention, the shell is arranged into the polygonal prism, so that the converter, the flange and the ultrasonic transducer are conveniently fixed on the shell directly through the screws, and compared with the existing tubular shell, the ultrasonic transducer is fast and convenient to install. The internal wiring mode is adopted to solve the problems of easy damage and aging of the circuit caused by the external wiring mode, and the practicality and the safety performance of the ultrasonic flowmeter are greatly improved. Because the signal wire is positioned in the wiring cavity or the shell, the space occupied by external wiring is saved.
Description
Technical Field
The invention relates to the technical field of flow meters, in particular to an ultrasonic flow meter.
Background
Ultrasonic flow meters are meters that measure flow by detecting the effect of fluid flow on an ultrasonic beam or pulse. The ultrasonic flowmeter mainly comprises an ultrasonic transducer (or an ultrasonic flow sensor consisting of a transducer and a measuring tube) and a transducer which are arranged on a measuring pipeline.
The existing wellhead gas is an impure fluid containing impurities such as oil and water, at present, most of the wellhead gas directly adopts orifice plate flowmeter, precession vortex flowmeter, ultrasonic flowmeter and other metering fluid flows, the metering precision of the orifice plate flowmeter and precession vortex flowmeter is not high, the shell of the existing ultrasonic flowmeter is of a tubular structure, a converter and an ultrasonic transducer are not easy to install on the shell, and the length of the tubular shell is large, so that occupied space is large during use and installation, actual use requirements of users cannot be met, and user experience is poor.
In addition, the connecting circuit between the transducer and the converter of the existing ultrasonic flowmeter adopts an external wiring mode, and the external circuit is easy to be broken and aged because the ultrasonic flowmeter is generally used in oil-containing and water-containing gas or liquid environments.
Disclosure of Invention
The invention aims to provide an ultrasonic flowmeter, which solves the problems of large occupied space, bad external line Lewis compliance and ageing existing in the existing ultrasonic flowmeter.
To achieve the purpose, the invention adopts the following technical scheme:
An ultrasonic flowmeter comprises a polygonal prism-shaped shell, flanges fixed on two opposite sides of the shell, a converter fixed on one end face of the shell, and at least one pair of ultrasonic transducers fixed on two opposite sides of the shell different from the side where the flanges are positioned; the shell is provided with a through hole penetrating through the side face of the shell mounting flange, and two ends of the through hole are respectively communicated with the flange at the corresponding end.
Further, one end of the converter is provided with a positioning and mounting groove, and one end of the converter provided with the positioning and mounting groove is fixed on one end face of the shell through a screw and forms a wiring cavity with the end face of the shell.
Further, the end face of the shell mounting converter and the side face of the shell mounting ultrasonic transducer are respectively provided with a threading hole, and the threading holes on the end face of the shell mounting converter are communicated with the threading holes on the side face of the shell mounting ultrasonic transducer.
Furthermore, the end face of the shell mounting converter is provided with a temperature sensor and a pressure sensor, and the ends of probes of the temperature sensor and the pressure sensor penetrate through the end face of the shell and extend into the through hole.
Further, a signal wire of the ultrasonic transducer penetrates through a threading hole on the side surface of the shell, on which the ultrasonic transducer is mounted, and penetrates out of the threading hole on the end surface of the shell, on which the transducer is mounted, and is connected to the transducer in the wiring cavity; the signal wire of the temperature sensor and the signal wire of the pressure sensor are connected to the converter in the wiring cavity.
Further, a front cover plate matched with the side face of the shell where each ultrasonic transducer is arranged on the side face of the shell where each ultrasonic transducer is arranged.
Further, the shell is a hexagonal prism or an eight-square prism with through holes on two opposite side surfaces.
Further, an included angle formed by the central axis of the ultrasonic transducer and the central axis of the flange is 60 degrees.
Further, the side surface of the mounting flange on the shell is adjacent to the side surface on which the ultrasonic transducer is mounted.
The invention has the beneficial effects that: through setting up the casing into the polygon prism, be convenient for directly pass through the screw fixation with converter, flange and ultrasonic transducer on the casing, compare in current tubular casing, install swiftly convenient. The internal wiring mode is adopted to solve the problems of easy damage and aging of the circuit caused by the external wiring mode, and the practicality and the safety performance of the ultrasonic flowmeter are greatly improved. Because the signal wire is positioned in the wiring cavity or the shell, the space occupied by external wiring is saved.
Drawings
FIG. 1 is a schematic view of the structure of an ultrasonic flow meter according to the present invention;
FIG. 2 is a front view of an ultrasonic flow meter according to the present invention;
Fig. 3 is a transverse cross-sectional view of an ultrasonic flow meter according to the invention without flanges.
In the figure:
1. A housing; 2. a flange; 3. a converter; 4. an ultrasonic transducer; 5. a through hole; 6. a wiring cavity; 7. a threading hole; 8. a front cover plate; 9. and a mounting groove.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present embodiment provides an ultrasonic flowmeter comprising a casing 1 having a polygonal column shape, flanges 2 fixed to opposite sides of the casing 1, a transducer 3 fixed to an end face of the casing 1, and at least one pair of ultrasonic transducers 4 fixed to opposite sides of the casing 1 different from the sides on which the flanges 2 are located; the shell 1 is provided with a through hole 5 penetrating through the side face of the shell 1 of the flange 2, and two ends of the through hole 5 are communicated with the flange 2 at the end. Through setting up casing 1 into the polygon prism, be convenient for directly pass through the screw fixation with converter 3, flange 2 and ultrasonic transducer 4 on casing 1, compare in current tubular casing, the installation is swift convenient. The casing 1 is a hexagonal prism or an eight-sided prism with through holes 5 on two opposite sides, and in this embodiment, the casing 1 is a hexagonal prism with through holes 5 on two opposite sides.
In this embodiment, a positioning and mounting groove is formed at one end of the converter 3, and one end of the converter 3 provided with the positioning and mounting groove is fixed to one end face of the housing 1 by a screw, and forms a wiring cavity 6 with the end face of the housing 1. The end face of the housing 1 for installing the transducer 3 and the side face for installing the ultrasonic transducer 4 are both provided with threading holes 7, and the threading holes 7 on the end face of the housing 1 for installing the transducer 3 are communicated with the threading holes 7 on the side face of the housing 1 for installing the ultrasonic transducer 4.
The end face of the shell 1, on which the transducer 3 is mounted, is provided with a temperature sensor (not shown in the figure) and a pressure sensor (not shown in the figure), and the ends of the probes of the temperature sensor and the pressure sensor penetrate through the end face of the shell 1 and extend into the through hole 5, so that the fluid flowing in the through hole 5 can be conveniently measured to measure the temperature and the pressure. And reliable data compensation is provided for calculating working condition pressure through the measured temperature and pressure, so that the measurement accuracy of the ultrasonic flowmeter is improved.
The signal wire of the ultrasonic transducer 4 penetrates through the threading hole 7 on the side surface of the shell 1 where the ultrasonic transducer 4 is arranged, penetrates out of the threading hole 7 on the end surface of the shell 1 where the transducer 3 is arranged, and is connected to the transducer 3 in the wiring cavity 6; the signal line of the temperature sensor and the signal line of the pressure sensor are both connected to the transducer 3 in the wiring cavity 6. The existing tubular shell is inconvenient to adopt an internal wiring mode due to the limitation of wall thickness, so that the problems that the circuit is easy to be broken and aged are solved, and the practical performance and the safety performance of the ultrasonic flowmeter are greatly improved. Meanwhile, as the signal wire is positioned in the wiring cavity 6 or the shell 1, the space occupied by external wiring is saved, the distance between the two opposite side surfaces of the shell 1 of the polygonal prism is reduced, and the occupied space of the ultrasonic flowmeter is further reduced. The minimum length of the existing tubular ultrasonic flowmeter is 500mm, the length of the ultrasonic flowmeter in the embodiment is only 232mm, 53.6% of the length of the ultrasonic flowmeter is reduced, and the occupied space of the ultrasonic flowmeter is greatly reduced.
Each of the side surfaces of the shell 1 where the ultrasonic transducer 4 is installed is provided with a front cover plate 8 matched with the side surface, the surface, opposite to the side surface of the shell 1 where the ultrasonic transducer 4 is installed, of the front cover plate 8 is provided with an installation groove 9, and the ultrasonic transducer 4 is arranged in the installation groove 9. The ultrasound transducer 4 is protected by a front cover plate 8.
The included angle between the central axis of the ultrasonic transducer 4 and the central axis of the flange 2 is 60 degrees, the length and the width of the side surface of the casing 1, on which the ultrasonic transducer 4 is mounted, are required to be equal to the length and the width of the front cover plate 8 respectively, unnecessary size is avoided from being increased, and the size of the ultrasonic flowmeter is reduced as much as possible. In order to meet the above angle requirement, the housing 1 is a non-regular hexagonal prism, and the side surface of the mounting flange 2 on the housing 1 is adjacent to the side surface on which the ultrasonic transducer 4 is mounted.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. An ultrasonic flowmeter is characterized by comprising a polygonal-prism-shaped shell (1), flanges (2) fixed on two opposite sides of the shell (1), a transducer (3) fixed on one end face of the shell (1), and at least one pair of ultrasonic transducers (4) fixed on two opposite sides of the shell (1) different from the side where the flanges (2) are located; the shell (1) is provided with a through hole (5) penetrating through the side face of the mounting flange (2) of the shell (1), and two ends of the through hole (5) are respectively communicated with the flanges (2) at the corresponding ends;
One end of the converter (3) is provided with a positioning installation groove, and one end of the converter (3) provided with the positioning installation groove is fixed on one end face of the shell (1) through a screw and forms a wiring cavity (6) with the end face of the shell (1);
The end face of the shell (1) for installing the transducer (3) and the side face of the shell for installing the ultrasonic transducer (4) are both provided with threading holes (7), and the threading holes (7) on the end face of the shell (1) for installing the transducer (3) are communicated with the threading holes (7) on the side face of the shell (1) for installing the ultrasonic transducer (4); the signal wire of the ultrasonic transducer (4) penetrates into the threading hole (7) on the side surface of the shell (1) where the ultrasonic transducer (4) is arranged, penetrates out of the threading hole (7) on the end surface of the shell (1) where the transducer (3) is arranged, and is connected to the transducer (3) in the wiring cavity (6);
Every ultrasonic transducer (4) place all be equipped with on the side of casing (1) rather than complex front shroud (8), front shroud (8) with the relative face of casing (1) side at ultrasonic transducer (4) place is equipped with mounting groove (9), ultrasonic transducer (4) are arranged in mounting groove (9), be used for the installation on casing (1) the length and the width of the side of ultrasonic transducer (4) are equal to respectively the length and the width of front shroud (8).
2. The ultrasonic flowmeter according to claim 1, characterized in that the end face of the housing (1) on which the transducer (3) is mounted is provided with a temperature sensor and a pressure sensor, and the ends of the probes of the temperature sensor and the pressure sensor both pass through the end face of the housing (1) and extend into the through hole (5).
3. Ultrasonic flow meter according to claim 2, characterized in that the signal line of the temperature sensor and the signal line of the pressure sensor are both connected to the transducer (3) in the wiring cavity (6).
4. An ultrasonic flow meter according to claim 3, wherein the housing (1) is a hexagonal or octagonal prism provided with through holes (5) on opposite sides.
5. The ultrasonic flow meter according to claim 4, wherein the central axis of the ultrasonic transducer (4) is at an angle of 60 ° to the central axis of the flange (2).
6. An ultrasonic flow meter according to claim 5, characterized in that the side of the housing (1) on which the flange (2) is mounted is adjacent to the side on which the ultrasonic transducer (4) is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800069.6A CN107631767B (en) | 2017-09-07 | 2017-09-07 | Ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800069.6A CN107631767B (en) | 2017-09-07 | 2017-09-07 | Ultrasonic flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107631767A CN107631767A (en) | 2018-01-26 |
| CN107631767B true CN107631767B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800069.6A Active CN107631767B (en) | 2017-09-07 | 2017-09-07 | Ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107631767B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832793B1 (en) * | 2007-12-05 | 2008-05-27 | (주)윈텍 | Electromagnetic flow meter of capacitance sensors type |
| CN101917909A (en) * | 2008-01-08 | 2010-12-15 | 丹尼尔度量和控制公司 | Transformer board |
| CN103471671A (en) * | 2013-09-28 | 2013-12-25 | 重庆前卫科技集团有限公司 | N-shaped correlation single-pass single channel of gas flow meter |
| CN105102949A (en) * | 2013-01-14 | 2015-11-25 | 通用电气公司 | Apparatus and method for determining temperature |
| CN105222838A (en) * | 2014-06-30 | 2016-01-06 | 上海思达斯易仪器仪表有限公司 | Flowmeter shell and flowmeter |
| CN206321282U (en) * | 2016-12-26 | 2017-07-11 | 重庆川仪自动化股份有限公司 | A kind of parallel Eight-channel ultrasonic flowmeter sensor |
| CN206410745U (en) * | 2017-01-20 | 2017-08-15 | 汇中仪表股份有限公司 | A kind of pipe segment structure of sonac |
| CN207215205U (en) * | 2017-09-07 | 2018-04-10 | 上海一诺仪表有限公司 | A kind of ultrasonic flowmeter |
-
2017
- 2017-09-07 CN CN201710800069.6A patent/CN107631767B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832793B1 (en) * | 2007-12-05 | 2008-05-27 | (주)윈텍 | Electromagnetic flow meter of capacitance sensors type |
| CN101917909A (en) * | 2008-01-08 | 2010-12-15 | 丹尼尔度量和控制公司 | Transformer board |
| CN105102949A (en) * | 2013-01-14 | 2015-11-25 | 通用电气公司 | Apparatus and method for determining temperature |
| CN103471671A (en) * | 2013-09-28 | 2013-12-25 | 重庆前卫科技集团有限公司 | N-shaped correlation single-pass single channel of gas flow meter |
| CN105222838A (en) * | 2014-06-30 | 2016-01-06 | 上海思达斯易仪器仪表有限公司 | Flowmeter shell and flowmeter |
| CN206321282U (en) * | 2016-12-26 | 2017-07-11 | 重庆川仪自动化股份有限公司 | A kind of parallel Eight-channel ultrasonic flowmeter sensor |
| CN206410745U (en) * | 2017-01-20 | 2017-08-15 | 汇中仪表股份有限公司 | A kind of pipe segment structure of sonac |
| CN207215205U (en) * | 2017-09-07 | 2018-04-10 | 上海一诺仪表有限公司 | A kind of ultrasonic flowmeter |
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| Publication number | Publication date |
|---|---|
| CN107631767A (en) | 2018-01-26 |
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