CN108981833A - A kind of Ultrasonic water meter, flowmeter, heat table structure and its assemble method - Google Patents
A kind of Ultrasonic water meter, flowmeter, heat table structure and its assemble method Download PDFInfo
- Publication number
- CN108981833A CN108981833A CN201811067985.4A CN201811067985A CN108981833A CN 108981833 A CN108981833 A CN 108981833A CN 201811067985 A CN201811067985 A CN 201811067985A CN 108981833 A CN108981833 A CN 108981833A
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- segment body
- positioning column
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 153
- 239000007787 solid Substances 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of Ultrasonic water meter, flowmeter, heat table structure and its assemble methods to belong to acoustics, sensor technical field for fluid flow in metering conduit.Technical solution is: comprising pipeline section type ultrasonic sensor and measurement host, measurement host is made of measurement main case (6) and machine core (16)；Pipeline section type ultrasonic sensor includes measurement pipe segment body (5) and a pair of above ultrasonic transducer (7), measurement pipe segment body (5) is equipped with energy converter mounting base (8), in energy converter mounting base (8), measurement main case (6), which is matched by location hole with positioning column, to be arranged on measurement pipe segment body (5) for ultrasonic transducer (7) setting.Beneficial effects of the present invention: it is whole to reduce instrument altitude, it avoids host from interfering with well lid, simplifies structure, also improve production efficiency while reducing measurement pipe segment body production cost；It is more favorable to energy conservation and environmental protection simultaneously, reduces because of environmental pollution brought by the processing of measurement pipe segment body.
Description
Technical field
The present invention relates to a kind of Ultrasonic water meter, flowmeter, heat table structure and its assemble methods, for liquid in metering conduit
Body flow belongs to acoustics, sensor technical field.
Background technique
Currently, existing pipeline section type Ultrasonic water meter, flowmeter, calorimeter are usually by pipeline section type ultrasonic sensor and measurement host
Composition, pipeline section type ultrasonic sensor include ultrasonic transducer and measurement pipe segment body again, and setting energy converter is installed on measurement pipe segment body
Seat, energy converter are mounted in energy converter mounting base.This structure there are problems that in actual production and use process with: for peace
The certain table wells in dress scene, pipe laying is closer apart from table well top surface, and measurement host may be with table well lid after causing instrument to install
Interference, is not available, details can refer to attached drawing 1.Measurement pipe segment body is divided into two kinds of structures: the first structure by manufacture craft
It is welded by measurement straight tube, energy converter mounting base, penetration pipe and converter mounting base, referring to attached drawing 2, energy converter mounting hole is set
It sets on measurement straight pipe wall, with pipeline section inner hole connection；Penetration pipe respectively with energy converter mounting hole, converter mounting base connection；This
The major defect of kind structure is: 1, penetration pipe is easy to damage in transport and installation process, this can by the operation for directly affecting instrument
By property and complete machine leakproofness；2, this kind of production method complex process, period are long, are difficult to realize batch production；Second of structure be
Measurement straight tube and energy converter mounting hole, penetration pipe, converter mounting base are integrally cast out using cast form, or will measurement
Straight tube and energy converter mounting hole, penetration pipe, converter shell integrally cast out；The major defect of this structure is: 1, forming technology
Complexity, difficulty are big, especially the forming technology of penetration pipe；2, it is limited to forming technology feature, formed product wall thickness is thicker, finally
Cause product weight big, at high cost；3, its forming technology energy-output ratio is big, while also will cause air pollution, is unfavorable for saving
It can environmental protection.
Summary of the invention
It is an object of the present invention to provide a kind of Ultrasonic water meter, flowmeter, heat table structure and its assemble method, structure is simple,
Easy to assembly, manufacturing process energy conservation and environmental protection reduces instrument whole height, host is avoided to interfere with well lid, solves background skill
The problem of art.
The technical scheme is that
A kind of Ultrasonic water meter, flowmeter, heat table structure, comprising pipeline section type ultrasonic sensor and measurement host, measurement host by
Measure main case and machine core composition；Pipeline section type ultrasonic sensor includes measurement pipe segment body and a pair of above ultrasonic transducer, measurement
Pipeline section body is equipped with energy converter mounting base, and ultrasonic transducer is arranged in energy converter mounting base, and special feature is: measurement host
Shell, which is matched by location hole with positioning column, to be arranged on measurement pipe segment body.
The positioning column quantity is more than one.
The positioning column can be set on measurement pipe segment body, and measurement main case bottom is equipped with location hole, measure main case
It is matched and is arranged on measurement pipe segment body with positioning column by location hole.
The positioning column can be set in measurement main case bottom, and measurement pipe segment body is equipped with location hole, measure main case
It is matched and is arranged on measurement pipe segment body with positioning column by location hole.
The positioning column can be hollow structure, and sensor wire is passed through out of positioning column hollow structure, pickup wire
Cable one end is connect with machine core, and the other end is connect with ultrasonic transducer.
The positioning column can be solid construction, and sensor wire is formed by between measurement host and measurement pipe segment body
Gap is led in measurement host.
The positioning column is vertically set on the energy converter installation seating face of measurement pipe segment body.
The measurement pipe segment body is equipped with fixing bolt, and measurement main case bottom is equipped with fixation hole, and fixing bolt passes through solid
Determine hole, is fixed on measurement pipe segment body by fixture nut by main case is measured.
The ultrasonic transducer, energy converter mounting base and positioning column quantity are equal, more than a pair, each energy converter installation
Seat is equipped with a ultrasonic transducer, is vertically equipped with a positioning column in each energy converter mounting base；It is multiple fixed that fixing bolt is located at
Position column center.
The present invention measures host and is arranged on measurement pipe segment body by positioning column, measures and does not have between host and measurement pipe segment body
There are the guard blocks such as Cable protecting tube and converter mounting base, the whole height of measuring instrumentss can be reduced.
The measurement pipe segment body is integrated with energy converter mounting base, can be integrally casting shaping, is also possible to welding, is glued
It is connected into type.
The measurement main case is panel beating molding, can also be molded or casting and forming.Measure main case by with measurement
Set positioning column is positioned on pipeline section body, is then fixed by fixing bolt.
The measurement main case can also be integrally wrapped on the outside of measurement pipe segment body, and energy converter is wrapped in measurement pipe
Among segment body and measurement main case, then it is fixed on the positioning by the positioning bolt being arranged on measurement tube body.The measurement
Main case can be to be divide into upper part and lower part and fix with measurement pipe segment body, can also be divided into left and right two parts and measurement pipe segment body is solid
It is fixed.
It is a kind of ultrasound Ultrasonic water meter, flowmeter, heat table structure assemble method, comprise the following steps:
The measurement pipe segment body of pipeline section type ultrasonic sensor is equipped with energy converter mounting base, and ultrasonic transducer is mounted on energy converter peace
It fills in seat；Measurement pipe segment body is equipped with positioning column；The positioning column be hollow structure, by the sensor wire of ultrasonic transducer from
It is passed through in the hollow structure of positioning column；
Measurement pipe segment body is equipped with fixing bolt；Ultrasonic transducer, energy converter mounting base and positioning column quantity are equal, for it is a pair of with
On, each energy converter mounting base is equipped with a ultrasonic transducer, is vertically equipped with a positioning column in each energy converter mounting base；Gu
Determine bolt and is located at multiple positioning column centers；
The measurement main case bottom of instrument be equipped with match with positioning column, the location hole that quantity is equal；The measurement main case of instrument
Bottom is equipped with the fixation hole to match with fixing bolt；
Measurement main case is placed on measurement pipe segment body, measurement main case matches setting with positioning column by location hole and measuring
On pipeline section body, measurement main case is positioned；Fixing bolt passes through the fixation hole of measurement main case bottom, passes through fixture nut
Measurement main case is fixed on measurement pipe segment body.
The measurement host includes measurement main case and machine core, and location hole setting is in measurement host shell bottom, positioning column
The sensor wire being pierced by is connect with machine core.
The bottom of measurement main case shell is arranged in fixation hole.
This invention simplifies pipeline section type Ultrasonic water meter, flowmeter, calorimeter overall structures, simplify production and processing technology,
Measurement pipe segment body difficulty of processing and processing cost are reduced, packaging efficiency is improved, reduces height on the whole, keeps pipeline section type super
It is sonic transducer more reasonable structure, simpler.
Beneficial effects of the present invention: it due to simplifying pipeline section type Ultrasonic water meter, flowmeter, calorimeter overall structure, both solved
It has determined because instrument building block is more in original technology scheme, the whole higher pipe laying that can not be mounted on of instrument altitude is apart from table well
Problem in the nearlyr table well in top surface, and solve in original technology because of instrument structure brought by penetration pipe, converter mounting base
Complexity also improves production efficiency while reducing measurement pipe segment body production cost；It is more favorable to energy conservation and environmental protection simultaneously,
Reduce because of environmental pollution brought by the processing of measurement pipe segment body.
Detailed description of the invention
Fig. 1 is background technique table well instrument installation interference schematic diagram；
Fig. 2 is background technique measurement pipe segment body structural schematic diagram；
Fig. 3 is one structural schematic diagram of the embodiment of the present invention；
Fig. 4 is one assembling structure schematic diagram of the embodiment of the present invention；
Fig. 5 is one measurement pipe segment body structural schematic diagram of the embodiment of the present invention；
Fig. 6 is two structural schematic diagram of the embodiment of the present invention；
Fig. 7 is that inventive embodiments instrument altitude reduces schematic diagram；
Fig. 8 is that the embodiment of the present invention one measures host bottom schematic view；
In figure: table well 1, well lid 2, installation pipeline 3, installation instrument 4, measurement pipe segment body 5, measurement main case 6, ultrasonic transducer 7,
Energy converter mounting base 8, penetration pipe 9, converter mounting base 10, positioning column 11, fixing bolt 12, sensor wire 13, location hole
14, fixation hole 15, machine core 16.
Specific embodiment
Below in conjunction with attached drawing, the invention is further illustrated by the examples.
A kind of Ultrasonic water meter, flowmeter, heat table structure include pipeline section type ultrasonic sensor and measurement host, measurement master
Machine is made of measurement main case 6 and machine core 16；Pipeline section type ultrasonic sensor includes measurement pipe segment body 5 and a pair of above ultrasonic transduction
Device 7, measurement pipe segment body 5 be equipped with energy converter mounting base 8, ultrasonic transducer 7 be arranged in energy converter mounting base 8, especially it
Place is: measurement main case 6, which is matched by location hole 14 with positioning column 11, to be arranged on measurement pipe segment body 5.
The positioning column quantity is more than one.
The positioning column 11 can be set on measurement pipe segment body 5, and measurement 6 bottom of main case is equipped with location hole 14, measurement
Main case 6, which is matched by location hole 14 with positioning column 11, to be arranged on measurement pipe segment body 5.
The positioning column can be set in measurement main case bottom, and measurement pipe segment body is equipped with location hole, and measurement host is logical
It crosses location hole and is matched with positioning column and is arranged on measurement pipe segment body.
The positioning column 11 can be hollow structure, and sensor wire 13 is passed through out of positioning column 11 hollow structure, pass
13 one end of sensor cable is connect with machine core 16, and the other end is connect with ultrasonic transducer 7.
The positioning column can be solid construction, and sensor wire is formed between measurement main case and measurement pipe segment body
Gap lead to measurement host in.
Embodiment one:
The positioning column 11 is vertically set on 8 surface of energy converter mounting base of measurement pipe segment body 5.
The measurement pipe segment body 5 is equipped with fixing bolt 12, and measurement 6 bottom of main case is equipped with fixation hole 15, fixing bolt
12 pass through fixation hole 15, are fixed on measurement pipe segment body 5 by fixture nut by main case 6 is measured.
The ultrasonic transducer 7, energy converter mounting base 8 are equal with 11 quantity of positioning column, more than a pair, each energy converter
Mounting base 8 is equipped with a ultrasonic transducer 7, is vertically equipped with a positioning column 11 in each energy converter mounting base 8；Fixing bolt 12
Positioned at multiple 11 centers of positioning column.
The positioning column 11 can be set on measurement pipe segment body 5, and measurement 6 bottom of main case is equipped with location hole 14, measurement
Main case 6, which is matched by location hole 14 with positioning column 11, to be arranged on measurement pipe segment body 5.
It is a kind of ultrasound Ultrasonic water meter, flowmeter, heat table structure assemble method, comprise the following steps:
The measurement pipe segment body 5 of pipeline section type ultrasonic sensor is equipped with energy converter mounting base 8, and ultrasonic transducer 7 is mounted on transducing
In device mounting base 8；Measurement pipe segment body 5 is equipped with positioning column 11；The positioning column 11 is hollow structure, by ultrasonic transducer 7
Sensor wire 13 is passed through out of positioning column 11 hollow structure；
Measurement pipe segment body 5 is equipped with fixing bolt 12；Ultrasonic transducer 7, energy converter mounting base 8 are equal with 11 quantity of positioning column,
More than a pair, each energy converter mounting base 8 is equipped with a ultrasonic transducer 7, is vertically equipped with one in each energy converter mounting base 8
A positioning column 11；Fixing bolt 12 is located at multiple 11 centers of positioning column；
6 bottom of measurement main case of instrument be equipped with match with positioning column 11, the location hole 14 that quantity is equal；The measurement master of instrument
6 bottom of casing is equipped with the fixation hole 15 to match with fixing bolt 12；
Measurement main case 6 is placed on measurement pipe segment body 5, measurement main case 6 is matched with positioning column 11 by location hole 14 and set
It sets on measurement pipe segment body 5, measurement main case 6 is positioned；Fixing bolt 12 passes through the fixation hole of measurement 6 bottom of main case
15, it is fixed on measurement pipe segment body 5 by fixture nut by main case 6 is measured.
The measurement host includes measurement main case 6 and machine core 16, and location hole setting is determined in measurement 6 bottom of host shell
The sensor wire 13 that position column 11 is pierced by is connect with machine core 16.
The bottom of measurement 6 shell of main case is arranged in fixation hole 15.
Embodiment two:
The measurement main case 6 is whole to be wrapped on 5 outside of measurement pipe segment body, and ultrasonic transducer 7 is wrapped in measurement pipeline section
Among body 5 and measurement main case 6, then it is fixed on the positioning by the positioning bolt being arranged on measurement tube body 5.
Claims (10)
1. a kind of Ultrasonic water meter, flowmeter, heat table structure measure host comprising pipeline section type ultrasonic sensor and measurement host
It is made of measurement main case (6) and machine core (16)；Pipeline section type ultrasonic sensor includes measurement pipe segment body (5) and a pair of above ultrasound
Energy converter (7), measurement pipe segment body (5) are equipped with energy converter mounting base (8), and ultrasonic transducer (7) is arranged in energy converter mounting base
(8) in, it is characterised in that: measurement main case (6), which is matched by location hole with positioning column, to be arranged on measurement pipe segment body (5)；Institute
Stating positioning column quantity is more than one.
2. a kind of Ultrasonic water meter according to claim 1, flowmeter, heat table structure, it is characterised in that: the positioning column
(11) it is arranged on measurement pipe segment body (5), measurement main case (6) bottom is equipped with location hole (14), and it is fixed that measurement main case (6) passes through
Position hole (14) is matched with positioning column (11) to be arranged on measurement pipe segment body (5).
3. a kind of Ultrasonic water meter according to claim 1, flowmeter, heat table structure, it is characterised in that: the positioning column
In measurement main case bottom, measurement pipe segment body is equipped with location hole for setting, and measurement main case is matched by location hole with positioning column
It is arranged on measurement pipe segment body.
4. a kind of Ultrasonic water meter according to claim 1, flowmeter, heat table structure, it is characterised in that: the positioning column
It (11) is hollow structure, sensor wire (13) is passed through out of positioning column (11) hollow structure, sensor wire (13) one end
It is connect with machine core (16), the other end is connect with ultrasonic transducer (7).
5. a kind of Ultrasonic water meter according to claim 1, flowmeter, heat table structure, it is characterised in that: the positioning column
For solid construction, sensor wire is led in measurement host from gap is formed by between measurement main case and measurement pipe segment body.
6. a kind of Ultrasonic water meter according to claim 2, flowmeter, heat table structure, it is characterised in that: the positioning column
(11) it is vertically set on energy converter mounting base (8) surface of measurement pipe segment body (5).
7. a kind of Ultrasonic water meter according to claim 1, flowmeter, heat table structure, it is characterised in that: the measurement pipe
Segment body (5) is equipped with fixing bolt (12), and measurement main case (6) bottom is equipped with fixation hole (15), and fixing bolt (12) passes through solid
Determine hole (15), main case (6) will be measured by fixture nut and be fixed on measurement pipe segment body (5).
8. a kind of Ultrasonic water meter according to claim 6, flowmeter, heat table structure, it is characterised in that: the ultrasound is changed
Energy device (7), energy converter mounting base (8) and positioning column (11) quantity are equal, and more than a pair, each energy converter mounting base (8) is set
There is a ultrasonic transducer (7), is vertically equipped with a positioning column (11) on each energy converter mounting base (8).
9. a kind of Ultrasonic water meter according to claim 7, flowmeter, heat table structure, it is characterised in that: the fixed spiral shell
Bolt (12) is located at multiple positioning columns (11) center.
10. the assemble method of a kind of ultrasound Ultrasonic water meter, flowmeter, heat table structure, characterized by comprising the steps of:
The measurement pipe segment body (5) of pipeline section type ultrasonic sensor is equipped with energy converter mounting base (8), and ultrasonic transducer (7) are installed
In energy converter mounting base (8)；Measurement pipe segment body (5) is equipped with positioning column (11)；The positioning column (11) is hollow structure, will
The sensor wire (13) of ultrasonic transducer (7) is passed through out of positioning column (11) hollow structure；
Measurement pipe segment body (5) is equipped with fixing bolt (12)；Ultrasonic transducer (7), energy converter mounting base (8) and positioning column (11)
Quantity is equal, and more than a pair, each energy converter mounting base (8) is equipped with a ultrasonic transducer (7), each energy converter mounting base
(8) positioning column (11) is vertically equipped on；Fixing bolt (12) is located at multiple positioning columns (11) center；
Measurement main case (6) bottom of instrument be equipped with match with positioning column (11), the location hole (14) that quantity is equal；Instrument
Measurement main case (6) bottom is equipped with the fixation hole (15) to match with fixing bolt (12)；
Measurement main case (6) is placed on measurement pipe segment body (5), measurement main case (6) passes through location hole (14) and positioning column
(11) matching is arranged on measurement pipe segment body (5), positions to measurement main case (6)；Fixing bolt (12) passes through measurement master
The fixation hole (15) of casing (6) bottom will measure main case (6) by fixture nut and be fixed on measurement pipe segment body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067985.4A CN108981833B (en) | 2018-09-13 | 2018-09-13 | Ultrasonic water meter, flowmeter, calorimeter structure and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067985.4A CN108981833B (en) | 2018-09-13 | 2018-09-13 | Ultrasonic water meter, flowmeter, calorimeter structure and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108981833A true CN108981833A (en) | 2018-12-11 |
| CN108981833B CN108981833B (en) | 2024-01-16 |
Family
ID=64546047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811067985.4A Active CN108981833B (en) | 2018-09-13 | 2018-09-13 | Ultrasonic water meter, flowmeter, calorimeter structure and assembly method thereof |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076674A (en) * | 2021-11-20 | 2022-02-22 | 西北工业大学 | Acoustic measurement device and method suitable for outlet of cascade rectangular pipeline |
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| US20050210999A1 (en) * | 2004-03-26 | 2005-09-29 | Endress + Hauser Flowtec Ag | Sonic- or ultrasonic flowmeter |
| EP2236992A1 (en) * | 2009-04-02 | 2010-10-06 | Kamstrup A/S | Ultrasonic flow meter capsule |
| CN201697666U (en) * | 2009-12-02 | 2011-01-05 | 唐山汇中仪表股份有限公司 | Reflector positioning structure in measuring tube section of ultrasound flow/heat meter |
| CN106768107A (en) * | 2017-01-20 | 2017-05-31 | 汇中仪表股份有限公司 | The pipe segment structure and sonac assemble method of a kind of sonac |
| CN207636132U (en) * | 2017-12-15 | 2018-07-20 | 瑞纳智能设备股份有限公司 | A kind of integral type sonac |
-
2018
- 2018-09-13 CN CN201811067985.4A patent/CN108981833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050210999A1 (en) * | 2004-03-26 | 2005-09-29 | Endress + Hauser Flowtec Ag | Sonic- or ultrasonic flowmeter |
| EP2236992A1 (en) * | 2009-04-02 | 2010-10-06 | Kamstrup A/S | Ultrasonic flow meter capsule |
| CN201697666U (en) * | 2009-12-02 | 2011-01-05 | 唐山汇中仪表股份有限公司 | Reflector positioning structure in measuring tube section of ultrasound flow/heat meter |
| CN106768107A (en) * | 2017-01-20 | 2017-05-31 | 汇中仪表股份有限公司 | The pipe segment structure and sonac assemble method of a kind of sonac |
| CN207636132U (en) * | 2017-12-15 | 2018-07-20 | 瑞纳智能设备股份有限公司 | A kind of integral type sonac |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076674A (en) * | 2021-11-20 | 2022-02-22 | 西北工业大学 | Acoustic measurement device and method suitable for outlet of cascade rectangular pipeline |
| CN114076674B (en) * | 2021-11-20 | 2024-01-16 | 西北工业大学 | Acoustic measurement device and method suitable for blade grid rectangular pipeline outlet |
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| Publication number | Publication date |
|---|---|
| CN108981833B (en) | 2024-01-16 |
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