CN111750941A - Inclined hole gas ultrasonic flowmeter shell - Google Patents
Inclined hole gas ultrasonic flowmeter shell Download PDFInfo
- Publication number
- CN111750941A CN111750941A CN202010522798.1A CN202010522798A CN111750941A CN 111750941 A CN111750941 A CN 111750941A CN 202010522798 A CN202010522798 A CN 202010522798A CN 111750941 A CN111750941 A CN 111750941A
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- inlet
- outlet
- gas ultrasonic
- flow meter
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- 239000004047 hole gas Substances 0.000 title claims abstract description 10
- 238000011161 development Methods 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 abstract description 3
- 230000008676 import Effects 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 239000003345 natural gas Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an inclined hole gas ultrasonic flowmeter shell, wherein a flowmeter shell body is in a cuboid shape. The invention is applicable to inclined hole gas ultrasonic flowmeter shells with various small apertures, and has the advantages of simple structure, small size, light weight, convenient processing and suitability for various small-aperture ultrasonic flowmeters, can realize multiple functions in one body.
Description
Technical Field
The invention relates to an ultrasonic flowmeter, in particular to a gas ultrasonic flowmeter shell suitable for a plurality of small-diameter gas ultrasonic flowmeters.
Background
The ultrasonic flowmeter is a new flowmeter developed in recent years, and although the ultrasonic metering concept is proposed earlier, the application of the ultrasonic flowmeter is promoted by the rapid development of integrated circuits after the 70 s of the 20 th century with real breakthrough progress. The natural gas industry in China is in a period of high development, and the gas ultrasonic flow meter has the following unique advantages: the natural gas flow meter has the advantages of no pressure loss, wide flow range, low flow lower limit, high pressure resistance and the like, and is favored by a large number of natural gas users. One of the core components of the ultrasonic flowmeter, the ultrasonic transducers, are installed in pairs in opposite directions and at certain angles, and more than one pair of ultrasonic transducers need enough installation space, so that the design and manufacture of the small-diameter ultrasonic flowmeter shell are more difficult, and therefore, the novel and reasonable design, which is particularly suitable for the small-diameter gas ultrasonic flowmeter shell, is particularly important.
Disclosure of Invention
【1】 Technical problem to be solved
The invention aims to provide a shell of an inclined hole gas ultrasonic flowmeter suitable for various small-caliber shells, which can be suitable for various calibers below DN50 calibers, and has the advantages of small volume, novel structure, light weight and convenient installation.
【2】 Technical scheme for solving problems
In order to solve the problems, the invention adopts the following scheme:
the utility model provides a gaseous ultrasonic flowmeter casing of inclined hole, includes flowmeter casing body, be provided with the sensor mounting hole on two faces that flowmeter casing body is mutually opposite, be equipped with import, export, import buffer segment and export buffer segment on four other faces of flowmeter casing body respectively, two oppositions that import and export were located, import with be provided with the import development section between the import buffer segment, export and export buffer segment are provided with the export development section, be connected with the rectification section on the import buffer segment, be connected with the test section on the rectification section, the test section with the export buffer segment is connected.
Further compared with the scheme, the flowmeter shell body is in a cuboid shape.
Further compared with the scheme, the inlet is a circular counter bore.
Further compared with the scheme, the inlet development section is an oval counter bore.
Compared with the scheme, the inlet buffer section is a circular counter bore.
Compared with the scheme, the rectifying section and the testing section are circular inclined holes.
Compared with the scheme, the diameter of the round hole of the testing section is smaller than that of the round inclined hole of the rectifying section.
Compared with the scheme, the outlet development section and the inlet development section are of the same structure with the central symmetry of the hole, the outlet buffer section is a circular counter bore, the diameter of the counter bore of the outlet buffer section is the same as that of the counter bore of the inlet buffer section, the directions of the counter bores are opposite, the depth of the counter bore of the outlet buffer section is larger than that of the counter bore of the inlet buffer section, and the outlet end and the inlet end are axially symmetrically distributed.
【3】 Advantageous effects
Has the advantages that: the invention is suitable for the shells of various small-caliber inclined-hole gas ultrasonic flowmeters, has simple structure, small size, light weight and convenient processing, is suitable for various small-caliber ultrasonic flowmeters, and can realize multiple functions as a whole.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a set of engineering drawings of the present invention.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
The invention discloses an inclined hole gas ultrasonic flowmeter shell which comprises a flowmeter shell body 1.
The flowmeter shell body 1 is a cuboid. Be provided with sensor mounting hole 2 on two mutually opposite faces of flowmeter casing body 1, be equipped with import 3, export 4, import buffer segment 5 and export buffer segment 6 on four other faces of flowmeter casing body 1 respectively, import 3 is circular counter bore, import buffer segment 5 is circular counter bore, two opposite faces that import 3 and export 4 were located, import 3 with be provided with import development section 7 between the import buffer segment 5, import development section 7 is oval counter bore, the circular counter bore diameter of import buffer segment 5 is less than place plane 10cm, circular counter bore diameter can be processed into DN20 ~ DN50 according to the engineering needs, can be applicable to more bore ultrasonic flowmeter.
The outlet 4 and the outlet buffer section 6 are provided with an outlet development section 8, the inlet buffer section 7 is connected with a rectification section 9, the rectification section 9 is connected with a test section 10, the test section 10 is connected with the outlet buffer section 6, the diameter of a round hole of the test section 10 is smaller than that of a round inclined hole of the rectification section 9, and the rectification section 9 and the test section 10 are round inclined holes.
The outlet development section 8 and the inlet development section 7 are of the same structure with symmetrical hole centers, the outlet buffer section 6 is a circular counter bore, the diameter of the counter bore of the outlet buffer section 6 is the same as that of the counter bore of the inlet buffer section 5, the directions of the counter bores are opposite, the depth of the counter bore of the outlet buffer section 6 is larger than that of the counter bore of the inlet buffer section 5, and the outlet end and the inlet end are axially symmetrically distributed.
The invention can be installed at the front end of the metering section of the gas ultrasonic flowmeter, fluid enters along the inlet 3 end of the rectifier, firstly enters the first stage rectifying section 9, is divided into a plurality of rotary flows by the first rectifying plate, enters the middle part of the cylinder for mixing and buffering, then sequentially passes through the outlet development section 8 and the outlet buffering section 6, and flows out through the outlet 4.
The ultrasonic flowmeter is a new flowmeter developed in recent years, and although the ultrasonic metering concept is proposed earlier, the application of the ultrasonic flowmeter is promoted by the rapid development of integrated circuits after the 70 s of the 20 th century with real breakthrough progress. The natural gas industry in China is in a period of high development, and the gas ultrasonic flow meter has the following unique advantages: the natural gas flow meter has the advantages of no pressure loss, wide flow range, low flow lower limit, high pressure resistance and the like, and is favored by a large number of natural gas users. One of the core components of the ultrasonic flowmeter, the ultrasonic transducers, are installed in pairs in opposite directions and at certain angles, and more than one pair of ultrasonic transducers need enough installation space, so that the design and manufacture of the small-diameter ultrasonic flowmeter shell are more difficult, and therefore, the novel and reasonable design, which is particularly suitable for the small-diameter gas ultrasonic flowmeter shell, is particularly important.
Compared with the prior art, the invention is suitable for the shells of various small-caliber inclined-hole gas ultrasonic flowmeters, has simple structure, small size, light weight and convenient processing, is suitable for various small-caliber ultrasonic flowmeters, and can realize multiple functions as a whole.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A housing of an inclined hole gas ultrasonic flowmeter is characterized by comprising a flowmeter housing body (1), two opposite surfaces of the flowmeter shell body (1) are provided with sensor mounting holes (2), the other four surfaces of the flowmeter shell body (1) are respectively provided with an inlet (3), an outlet (4), an inlet buffer section (5) and an outlet buffer section (6), the inlet (3) and the outlet (4) are arranged on two opposite surfaces, an inlet development section (7) is arranged between the inlet (3) and the inlet buffer section (5), the outlet (4) and the outlet buffer section (6) are provided with an outlet development section (8), the inlet buffer section (5) is connected with a rectifying section (9), the rectifying section (9) is connected with a testing section (10), and the testing section (10) is connected with the outlet buffer section (6).
2. An inclined bore gas ultrasonic flow meter housing according to claim 1, wherein the flow meter housing body (1) is cuboid.
3. An inclined-bore gas ultrasonic flow meter housing according to claim 1, wherein the inlet (3) is a circular counterbore.
4. An inclined bore gas ultrasonic flow meter housing according to claim 1, wherein the inlet development section (7) is an elliptical counterbore.
5. An inclined-bore gas ultrasonic flow meter housing according to claim 1, wherein the inlet buffer section (5) is a circular counterbore.
6. An inclined bore gas ultrasonic flow meter housing according to claim 1, wherein the rectifying section (9) and the testing section (10) are circular inclined bores.
7. An inclined bore gas ultrasonic flow meter housing according to claim 6, wherein the test section (10) circular bore diameter is less than the fairing section (9) circular inclined bore diameter.
8. The slant hole gas ultrasonic flow meter shell according to claim 1, wherein the outlet development section (8) and the inlet development section (7) are of the same structure with symmetrical hole centers, the outlet buffer section (6) is a circular counter bore, the counter bore diameter of the outlet buffer section (6) is the same as the counter bore diameter of the inlet buffer section (5), and the directions are opposite, the counter bore depth of the outlet buffer section (6) is greater than the counter bore depth of the inlet buffer section (5), and the outlet (4) end and the inlet (3) end are distributed in an axial symmetry manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522798.1A CN111750941A (en) | 2020-06-10 | 2020-06-10 | Inclined hole gas ultrasonic flowmeter shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522798.1A CN111750941A (en) | 2020-06-10 | 2020-06-10 | Inclined hole gas ultrasonic flowmeter shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111750941A true CN111750941A (en) | 2020-10-09 |
Family
ID=72674645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010522798.1A Pending CN111750941A (en) | 2020-06-10 | 2020-06-10 | Inclined hole gas ultrasonic flowmeter shell |
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| Country | Link |
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| CN (1) | CN111750941A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070062305A1 (en) * | 2005-08-31 | 2007-03-22 | GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Flowmeter |
| CN104655212A (en) * | 2015-03-09 | 2015-05-27 | 成都千嘉科技有限公司 | Ultrasonic gas flow meter |
| JP2017096718A (en) * | 2015-11-20 | 2017-06-01 | 愛知時計電機株式会社 | Ultrasonic sound wave flow rate meter |
| CN108414037A (en) * | 2018-03-28 | 2018-08-17 | 上海中核维思仪器仪表有限公司 | Gas ultrasonic flowmeter tests the speed runner |
| CN208520420U (en) * | 2018-07-04 | 2019-02-19 | 湖北锐意自控系统有限公司 | A kind of flow passage structure and gas flowmeter scale based on ultrasonic wave principle |
| JP2019124653A (en) * | 2018-01-19 | 2019-07-25 | アズビル金門株式会社 | Gas meter |
| CN110906995A (en) * | 2019-12-30 | 2020-03-24 | 杭州先锋电子技术股份有限公司 | Ultrasonic gas meter |
| CN212300460U (en) * | 2020-06-10 | 2021-01-05 | 宁波创盛仪表有限公司 | Inclined hole gas ultrasonic flowmeter shell |
-
2020
- 2020-06-10 CN CN202010522798.1A patent/CN111750941A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070062305A1 (en) * | 2005-08-31 | 2007-03-22 | GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG | Flowmeter |
| CN104655212A (en) * | 2015-03-09 | 2015-05-27 | 成都千嘉科技有限公司 | Ultrasonic gas flow meter |
| JP2017096718A (en) * | 2015-11-20 | 2017-06-01 | 愛知時計電機株式会社 | Ultrasonic sound wave flow rate meter |
| JP2019124653A (en) * | 2018-01-19 | 2019-07-25 | アズビル金門株式会社 | Gas meter |
| CN108414037A (en) * | 2018-03-28 | 2018-08-17 | 上海中核维思仪器仪表有限公司 | Gas ultrasonic flowmeter tests the speed runner |
| CN208520420U (en) * | 2018-07-04 | 2019-02-19 | 湖北锐意自控系统有限公司 | A kind of flow passage structure and gas flowmeter scale based on ultrasonic wave principle |
| CN110906995A (en) * | 2019-12-30 | 2020-03-24 | 杭州先锋电子技术股份有限公司 | Ultrasonic gas meter |
| CN212300460U (en) * | 2020-06-10 | 2021-01-05 | 宁波创盛仪表有限公司 | Inclined hole gas ultrasonic flowmeter shell |
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