CN112798066A - Ultrasonic flowmeter with rectangular flow channel - Google Patents
Ultrasonic flowmeter with rectangular flow channel Download PDFInfo
- Publication number
- CN112798066A CN112798066A CN202011631531.2A CN202011631531A CN112798066A CN 112798066 A CN112798066 A CN 112798066A CN 202011631531 A CN202011631531 A CN 202011631531A CN 112798066 A CN112798066 A CN 112798066A
- Authority
- CN
- China
- Prior art keywords
- pipe section
- flowmeter
- ultrasonic
- gas
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000523 sample Substances 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation 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
Abstract
The invention discloses an ultrasonic flowmeter with a rectangular flow channel, which comprises: a body; the upper cover is covered on the body, the lower cover is covered at the bottom of the body, and the upper cover is communicated with the inside of the body to form an inner cavity of the flowmeter; the gas inlet pipe section is connected with the side surface of the body; the flow measurement pipe section is connected with the gas inlet pipe section and communicated with the inner cavity of the flowmeter; the ultrasonic probes are distributed in the flow measurement pipe section; the flowmeter head is arranged on the upper cover and is in data connection with the ultrasonic probes; and the gas outlet pipe section is connected with the side surface of the body. The invention adopts the rectangular flow channel, the air flow is more stable and uniform, and the invention is more suitable for the measurement of the flowmeter; an internal and external separation structure is adopted, so that even if the outside is impacted, the internal flow measurement pipe section is not influenced; a bent vertical structure is adopted, so that the horizontal space is saved, and the installation applicability is strong; by adopting the arrangement of multiple ultrasonic probes, not only the result is more accurate, but also the mutual redundancy is realized.
Description
Technical Field
The invention relates to the technical field of fluid flowmeters, in particular to an ultrasonic flowmeter with a rectangular flow channel.
Background
In the prior art, the tubular sections of the fluid, especially the gas flowmeter, are all cylindrical, which is an inherent way of convention, and although not standard, the tubular sections are almost standardized, and indeed, the tubular sections with the same length have the largest volume and the most stable structure compared with the tubular sections with other shapes, but for the metering instrument of the gas flowmeter, stable fluid flow, especially gas flow, is required, and the gas flow is uniform and stable, but the gas flow of the tubular sections has the defects of non-uniform and unstable flow, which is fatal to the metering instrument.
Disclosure of Invention
According to an embodiment of the present invention, there is provided an ultrasonic flowmeter having a rectangular flow channel, including:
a body;
the upper cover is covered on the body, the lower cover is covered at the bottom of the body, and the upper cover is communicated with the inside of the body to form an inner cavity of the flowmeter;
the gas inlet pipe section is connected with the side surface of the body and is used for inputting gas into the body;
the flow measurement pipe section is connected with the gas inlet pipe section and communicated with the inner cavity of the flowmeter;
the ultrasonic probes are distributed in the flow measurement pipe section;
the flowmeter head is arranged on the upper cover and is in data connection with the ultrasonic probes;
and the gas outlet pipe section is connected with the side surface of the body and used for outputting gas in the inner cavity of the flowmeter.
Further, the flow measurement pipe section comprises:
the bent pipe section is arranged in the body, one end of the bent pipe section is horizontally connected with the gas inlet pipe section, and the other end of the bent pipe section is vertically upward;
the vertical pipe section is vertically arranged in the inner cavity of the flowmeter, the lower end of the vertical pipe section is connected with the other end of the bent pipe section, and the upper end of the vertical pipe section is communicated with the inner cavity of the flowmeter.
Further, the cross section of the gas flow passage of the gas inlet pipe section is circular.
Further, the sections of the gas flow passages of the bent pipe section and the vertical pipe section are rectangular.
Further, the method also comprises the following steps: the rectifier is arranged at the air inlet of the air inlet pipe section.
Further, the plurality of ultrasonic probes comprise two pairs of ultrasonic probes, the two pairs of ultrasonic probes are symmetrically arranged in the vertical pipe section, and the two pairs of ultrasonic probes work in pairs respectively and independently.
Further, the cross section of the gas flow passage of the gas outlet pipe section is circular.
According to the ultrasonic flowmeter with the rectangular flow channel, the rectangular flow channel is adopted, so that the air flow is more stable and uniform, and the ultrasonic flowmeter is more suitable for measurement of the flowmeter; an internal and external separation structure is adopted, so that even if the outside is impacted, the internal flow measurement pipe section is not influenced; a bent vertical structure is adopted, so that the horizontal space is saved, and the installation applicability is strong; by adopting the arrangement of multiple ultrasonic probes, not only the result is more accurate, but also the mutual redundancy is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
FIG. 1 is a perspective view of an ultrasonic flow meter with a rectangular flow channel according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of an ultrasonic flow meter with a rectangular flow channel according to an embodiment of the invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
First, an ultrasonic flowmeter with a rectangular flow channel according to an embodiment of the present invention will be described with reference to fig. 1 to 3, which is applied to a gas flowmeter and has a wide application range.
As shown in fig. 1 to 3, the ultrasonic flowmeter with a rectangular flow channel according to the embodiment of the present invention includes a body 1, an upper cover 2, a lower cover 3, a gas inlet pipe section 4, a flow measurement pipe section 5, a plurality of ultrasonic probes 6, a flowmeter head 7, and a gas outlet pipe section 8.
Specifically, as shown in fig. 1 to 3, the upper cover 2 is fixed on the body 1 through a flange, the lower cover 3 is covered at the bottom of the body 1, and the upper cover 2 is communicated with the inside of the body 1 to form a flow meter cavity 11.
Specifically, as shown in fig. 1 to 3, a gas inlet pipe section 4 is connected to a side surface of the body 1 for inputting gas into the body 1, and a flow measurement pipe section 5 is connected to the gas inlet pipe section 4 and is communicated with the inner cavity 11 of the flowmeter. The gas inlet pipe section 4 and the flow measurement pipe section 5 are separated from each other, so that even if the outside is deformed by external impact such as impact, the flow measurement pipe section 5 in the body 1 is not affected, and the stable and accurate work can be still realized.
Further, as shown in fig. 2, the flow measurement pipe section 5 includes: a bent pipe section 51 and a vertical pipe section 52. Wherein, the elbow section 51 sets up in body 1, and elbow section 51's one end level and gas inlet pipe section 4 are connected, and the other end is vertical upwards, and vertical setting of vertical pipe section 52 is in flowmeter inner chamber 11, and elbow section 51's the other end is connected to vertical pipe section 52's lower extreme, and vertical pipe section 52's upper end intercommunication flowmeter inner chamber 11 is through crooked vertical structure for horizontal space saves more, and the installation suitability is strong.
As shown in fig. 1-2, in the present embodiment, the cross section of the gas flow channel of the gas inlet pipe section 4 is circular, and further, as shown in fig. 3, the cross sections of the gas flow channels of the bent pipe section 51 and the vertical pipe section 52 are rectangular, and through simulation of three-dimensional software solidworks, the gas flow in the rectangular pipe section is more stable and uniform than the gas flow in the circular pipe section under the same cross section area, and is more suitable for measurement by a flow meter.
Further, as shown in fig. 1 to 2, in this embodiment, the ultrasonic flowmeter with a rectangular flow channel according to the embodiment of the present invention further includes: rectifier 9 sets up the air inlet at gas inlet pipeline section 4, consequently, is connected through circular pipeline section and rectangle pipeline section, and cooperation rectifier 9 makes gas entering flowmeter more even stable to guarantee that measuring result is more accurate.
Further, the gas flow passage of the gas outlet pipe section 8 is also circular in cross section.
In particular, as shown in fig. 2, several ultrasound probes 6 are distributed in the flow measurement pipe section 5, the plurality of ultrasound probes 6 making the results more accurate.
Further, as shown in fig. 2, the plurality of ultrasonic probes 6 includes two pairs of ultrasonic probes 6, the two pairs of ultrasonic probes 6 are symmetrically disposed in the vertical pipe section 52, the two pairs of ultrasonic probes 6 respectively work independently in pairs and are redundant to each other, and the ultrasonic flowmeter can still work normally as long as one pair of ultrasonic probes 6 is normal.
Specifically, as shown in fig. 1 to 3, a flow meter head 7 is arranged on the upper cover 2, and the flow meter head 7 is in data connection with a plurality of ultrasonic probes 6.
Specifically, as shown in fig. 1-3, a gas outlet pipe section 8 is connected with the side surface of the body 1 for outputting gas in the inner cavity 11 of the flowmeter.
When the gas flowmeter works, gas enters the flowmeter from the gas inlet pipe section 4, flows through the vertical pipe section 52 through the bent pipe section 51, measures the gas flow rate through the ultrasonic probe 6 in the vertical pipe section 52, the ultrasonic probe 6 transmits data to the flowmeter head 7, and the gas flows out of the vertical pipe section 52, passes through the flowmeter inner cavity 8 and flows out of the gas outlet pipe section 8.
In the ultrasonic flowmeter with rectangular flow channels according to the embodiments of the present invention, with reference to fig. 1 to 3, the rectangular flow channels are adopted, so that the air flow is more stable and uniform, and the ultrasonic flowmeter is more suitable for measurement; an internal and external separation structure is adopted, so that even if the outside is impacted, the internal flow measurement pipe section 5 is not influenced; a bent vertical structure is adopted, so that the horizontal space is saved, and the installation applicability is strong; by adopting the arrangement of multiple ultrasonic probes, not only the result is more accurate, but also the mutual redundancy is realized.
It should be noted that, in the present specification, 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. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (7)
1. An ultrasonic flow meter with a rectangular flow channel, comprising:
a body;
the upper cover is arranged on the body in a covering mode, the lower cover is arranged at the bottom of the body in a covering mode, and the upper cover is communicated with the inside of the body to form a flowmeter inner cavity;
the gas inlet pipe section is connected with the side surface of the body and is used for inputting gas into the body;
the flow measurement pipe section is connected with the gas inlet pipe section and communicated with the inner cavity of the flowmeter;
the ultrasonic probes are distributed in the flow measurement pipe section;
the flowmeter head is arranged on the upper cover and is in data connection with the ultrasonic probes;
and the gas outlet pipe section is connected with the side surface of the body and is used for outputting the gas in the inner cavity of the flowmeter.
2. The rectangular flow channel ultrasonic flow meter of claim 1, wherein said flow measurement tube section comprises:
the bent pipe section is arranged in the body, one end of the bent pipe section is horizontally connected with the gas inlet pipe section, and the other end of the bent pipe section is vertically upward;
the vertical pipe section is vertically arranged in the inner cavity of the flowmeter, the lower end of the vertical pipe section is connected with the other end of the bent pipe section, and the upper end of the vertical pipe section is communicated with the inner cavity of the flowmeter.
3. An ultrasonic flow meter with a rectangular flow channel according to claim 2, wherein the gas flow channel of the gas inlet section is circular in cross-section.
4. The rectangular flow path ultrasonic flow meter of claim 3, wherein said gas flow paths of said elbow section and said vertical section are rectangular in cross-section.
5. The rectangular flow channel ultrasonic flow meter of claim 1 or 3, further comprising: the rectifier is arranged at the air inlet of the air inlet pipe section.
6. An ultrasonic flow meter with a rectangular flow channel according to claim 2, wherein the plurality of ultrasonic probes comprises two pairs of ultrasonic probes, the two pairs of ultrasonic probes are symmetrically arranged in the vertical pipe section, and the two pairs of ultrasonic probes work independently in pairs.
7. The rectangular flow channel ultrasonic flow meter of claim 1, wherein said gas flow channel of said gas outlet pipe section is circular in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631531.2A CN112798066A (en) | 2020-12-31 | 2020-12-31 | Ultrasonic flowmeter with rectangular flow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631531.2A CN112798066A (en) | 2020-12-31 | 2020-12-31 | Ultrasonic flowmeter with rectangular flow channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112798066A true CN112798066A (en) | 2021-05-14 |
Family
ID=75808325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011631531.2A Pending CN112798066A (en) | 2020-12-31 | 2020-12-31 | Ultrasonic flowmeter with rectangular flow channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112798066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236513A1 (en) * | 2022-06-08 | 2023-12-14 | 西安热工研究院有限公司 | Processing method for flue gas and air duct measurement section, and flue gas and air duct measurement section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795820U (en) * | 2010-08-20 | 2011-04-13 | 威海米特智能仪表有限公司 | Base table of ultrasonic flow meter |
| CN202083425U (en) * | 2011-06-02 | 2011-12-21 | 唐山汇中仪表股份有限公司 | Ultrasonic measurement pipe section for water meter and heat meter |
| JP2015148529A (en) * | 2014-02-07 | 2015-08-20 | パナソニックＩｐマネジメント株式会社 | Gas flowmeter |
| CN106323392A (en) * | 2015-06-23 | 2017-01-11 | 威海市天罡仪表股份有限公司 | An anti-interference measuring pipe segment of an ultrasonic flow sensor |
| CN110285861A (en) * | 2019-06-23 | 2019-09-27 | 上海玮轩电子科技有限公司 | A kind of ultrasonic flowmeter |
| CN211824578U (en) * | 2020-04-07 | 2020-10-30 | 郑州引领科技有限公司 | Gas ultrasonic flowmeter without straight pipe section wide range |
-
2020
- 2020-12-31 CN CN202011631531.2A patent/CN112798066A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795820U (en) * | 2010-08-20 | 2011-04-13 | 威海米特智能仪表有限公司 | Base table of ultrasonic flow meter |
| CN202083425U (en) * | 2011-06-02 | 2011-12-21 | 唐山汇中仪表股份有限公司 | Ultrasonic measurement pipe section for water meter and heat meter |
| JP2015148529A (en) * | 2014-02-07 | 2015-08-20 | パナソニックＩｐマネジメント株式会社 | Gas flowmeter |
| CN106323392A (en) * | 2015-06-23 | 2017-01-11 | 威海市天罡仪表股份有限公司 | An anti-interference measuring pipe segment of an ultrasonic flow sensor |
| CN110285861A (en) * | 2019-06-23 | 2019-09-27 | 上海玮轩电子科技有限公司 | A kind of ultrasonic flowmeter |
| CN211824578U (en) * | 2020-04-07 | 2020-10-30 | 郑州引领科技有限公司 | Gas ultrasonic flowmeter without straight pipe section wide range |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236513A1 (en) * | 2022-06-08 | 2023-12-14 | 西安热工研究院有限公司 | Processing method for flue gas and air duct measurement section, and flue gas and air duct measurement section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4365518A (en) | Flow straighteners in axial flowmeters | |
| US3838598A (en) | Capillary flow meter | |
| US4961344A (en) | Multiple tube flowmeter | |
| US7404337B2 (en) | Mass flow meter with fluid lens | |
| JP2010533868A (en) | Two-phase flow meter | |
| CN108303149A (en) | Orifice union, rectification and flow measurement device | |
| US20100138168A1 (en) | Apparatus and a method of measuring the flow of a fluid | |
| CN1143182A (en) | Flow sensor device and its method | |
| JP2011501129A (en) | Flowmeter | |
| RU2705757C2 (en) | Mini-bearing array of transducers for ultrasonic flowmeter | |
| CN112798066A (en) | Ultrasonic flowmeter with rectangular flow channel | |
| WO2011071932A1 (en) | Kinetic flow meter | |
| US3981193A (en) | Fluid pressure sensing apparatus | |
| JP2008116283A (en) | Flow meter | |
| WO2005040732A1 (en) | Wet gas measurement apparatus and method | |
| CN108332807A (en) | Orifice union, rectification and flow measurement device | |
| CN108303150A (en) | Orifice union, rectification and flow measurement device | |
| KR101326189B1 (en) | Average pitot tube type flow meter | |
| KR20190009714A (en) | Combined ultrasonic temperature and conductivity sensor assembly | |
| NO20171056A1 (en) | Ultrasonic viscometer | |
| CN207976188U (en) | Orifice union, rectification and flow measurement device | |
| JP2007121036A (en) | Flowmeter | |
| JP4984348B2 (en) | Flow measuring device | |
| JP2869054B1 (en) | Insertion type vortex flowmeter and method for determining its probe line length | |
| KR102181980B1 (en) | Multi-Pitot Average Differential Pressure Measurement Sensor and Differential Pressure Measurement Method Using thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210514 |
|
| RJ01 | Rejection of invention patent application after publication |