CN204788578U - Ultrasonic wave fluidflowmeter pipeline - Google Patents
Ultrasonic wave fluidflowmeter pipeline Download PDFInfo
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- CN204788578U CN204788578U CN201520553908.5U CN201520553908U CN204788578U CN 204788578 U CN204788578 U CN 204788578U CN 201520553908 U CN201520553908 U CN 201520553908U CN 204788578 U CN204788578 U CN 204788578U
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Abstract
The utility model discloses an ultrasonic wave fluidflowmeter pipeline belongs to measuring device technical field. It includes one -level ladder pipeline section, the person in charge's section that tests the speed (3), two axial correlation formula ultrasonic transducer (1), one -level ladder pipeline section is the metal material, and its both ends are standard bore pipeline section (6), the pipe diameter of interlude standard bore pipeline section for the pipe diameter is less than and one -level reducing pipe section (7) coaxial with standard bore pipeline section, it has two mounting hole (8), two to open on the pipe wall of one -level reducing pipe section (7) ultrasonic transducer (1) set up to be in through two mounting hole (8) respectively in one -level reducing pipe section (7) to form the correlation state along the pipeline axis, the person in charge's section (3) that tests the speed is in for the straight tube section of a plasticity material, its coaxial setting in one -level reducing pipe section (7) and lie in between two mounting hole (8). The utility model discloses easily processing and installation, received signal strength height, measurement accuracy are high.
Description
Technical field
The utility model relates to a kind of ultrasonic liquid flow meter pipeline, belongs to measurement mechanism technical field.
Background technology
More a kind of flowmeter applied in current commercial production by ultrasonic flow meter, particularly adopts the ultrasonic flow meter of insert cartridge to apply more extensive.Along with the continuous progress of science and technology, in production, the measuring accuracy of fluid flow is had higher requirement.When utilizing ultrasonic flow rate measurement amount flow, the shape, structure, bore, tube wall situation, liquid flowing state etc. of pipeline all can on measurement data generation impacts in various degree.Ultrasonic liquid flow meter pipeline many employings circular cone gradation type undergauge mode of the prior art, reflection pillar is embedded on the inclined-plane of circular cone undergauge transition, not only make to process relative difficulty, and fluid is through circular cone undergauge transition and reflection pillar, stronger eddy current can be produced, cause its liquid flow path direction and flow stream velocity all to have greatly changed, affect its measuring accuracy.
Utility model content
For the above-mentioned defect existed in prior art, the utility model provides a kind of ultrasonic liquid flow meter pipeline being easy to process and install, received signal strength is high, measuring accuracy is high.
The utility model is achieved by the following technical solution: a kind of ultrasonic liquid flow meter pipeline, it comprises step pipeline section, test the speed main leg, two axial correlation type ultrasonic transducers, described step pipeline section is metal material, its two ends are standard gauge pipeline section, interlude is that caliber is less than the caliber of standard gauge pipeline section and the one-level undergauge pipeline section coaxial with standard gauge pipeline section, the tube wall of described one-level undergauge pipeline section has two mounting holes, ultrasonic transducer described in two is arranged in described one-level undergauge pipeline section respectively by two mounting holes, and form correlation state along pipeline axis, the described main leg of testing the speed is the straight length of a plastic material, and it to be coaxially arranged in described one-level undergauge pipeline section and between two mounting holes.
When the utility model uses, be connected to by the standard gauge pipeline section at step pipeline section two ends and measure on pipeline.Liquid is transitioned into through one-level undergauge pipeline section the main leg that tests the speed by standard gauge pipeline section, then arrives standard gauge pipeline section by the main leg that tests the speed through one-level undergauge pipeline section, flow stream velocity can be made to obtain smooth transition, reduce turbulent flow, reach the object improving measuring accuracy.The mode of two ultrasonic transducers at the two ends of the main leg that tests the speed by axial correlation is measured the flow rate of liquid in flowing pipe.
The main leg that tests the speed in the utility model locates at step pipeline section internal fixtion by various ways, and for ease of assembling, the main leg that tests the speed described in the utility model positions by the stud be arranged on one-level undergauge pipeline section and fixed.
In order to ensure the smooth transition of duct fluid flow speed, reduce turbulent flow, improve measuring accuracy, described ultrasonic transducer be cone end conical structure outwardly dorsad, the neck cross section of described ultrasonic transducer is fusiformis, and the major axis of described fusiformis is consistent with the axis direction of pipeline.
In order to reduce the turbulent flow of liquid at pipeline transition section to greatest extent, further raising measuring accuracy, the utility model passes through chamfering structure transition by between the tube chamber of standard gauge pipeline section and the tube chamber of one-level undergauge pipeline section, and the two ends of the main leg that tests the speed are transitioned into one-level undergauge pipeline section by chamfering structure.At reducing pipeline section place by chamfering structure transition, flow stream velocity can be made to obtain smooth transition, be conducive to improving measuring accuracy.
The beneficial effects of the utility model are: the step pipeline section in the utility model and test the speed to adopt between main leg and combine assembly structure, and it is easy to processing and installs; By adopting axial correlation type ultrasonic transducer mounting means to improve received signal strength, greatly reducing because a variety of causes causes signal intensity reduction to cause Received signal strength to cross weak and measuring failed probability; By adopting staircase structure pipeline, make liquid be transitioned into through one-level undergauge pipeline section the main leg that tests the speed by standard gauge pipeline section, then arrive standard gauge pipeline section by the main leg that tests the speed through one-level undergauge pipeline section, flow stream velocity obtains smooth transition, reduce turbulent flow, thus improve measuring accuracy; In addition, the utility model is by adopting chamfering structure transition testing the speed between main leg and one-level undergauge pipeline section and between one-level undergauge pipeline section and standard gauge pipeline section, turbulent flow can be reduced further, improve measuring accuracy, in addition, the utility model, by being designed to ultrasonic transducer conical structure dorsad and being fusiformis by the neck Cross section Design of ultrasonic transducer, also further ensures the smooth transition of flow stream velocity, reduce turbulent flow, make measuring accuracy higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is ultrasonic transducer, and 2 is studs, and 3 is the main legs that test the speed, and 4 is ultrasonic transducer fusiformis cross section necks, and 5 is conical structures dorsad of ultrasonic transducer, and 6 is standard gauge pipeline sections, and 7 is one-level undergauge pipeline sections, and 8 is mounting holes.
Embodiment
Also by reference to the accompanying drawings the utility model is further described below by embodiment:
As shown in drawings, a kind of ultrasonic liquid flow meter pipeline, it comprises step pipeline section, test the speed main leg's 3, two axial correlation type ultrasonic transducers 1.Described step pipeline section is metal material, its two ends are standard gauge pipeline section 6, interlude is that caliber is less than the caliber of standard gauge pipeline section 6 and the one-level undergauge pipeline section 7 coaxial with standard gauge pipeline section 6, the tube wall of described one-level undergauge pipeline section 7 has two mounting holes 8, ultrasonic transducer 1 described in two is arranged in described one-level undergauge pipeline section 7 respectively by two mounting holes 8, and forms correlation state along pipeline axis.For ensureing the smooth transition of duct fluid flow speed, reduce turbulent flow, being designed to dorsad of described ultrasonic transducer 1 bores end conical structure outwardly, and the neck Cross section Design of described ultrasonic transducer 1 is fusiformis, and the major axis of described fusiformis is consistent with the axis direction of pipeline.The described main leg of testing the speed 3 is the straight length of a plastic material, and it is coaxially arranged in described one-level undergauge pipeline section 7 and between two mounting holes 8, two ultrasonic transducers 1 lay respectively at outside the two ends of the main leg 3 that tests the speed.When the main leg 3 that tests the speed assembles with step pipeline section, by testing the speed, main leg 3 one end from step pipeline section pushes and locates, form complete secondary ladder undergauge structure, this structure is easy to processing and installs, described in the main leg 3 that tests the speed position by the stud 2 be arranged on one-level undergauge pipeline section 7 and fix.
In order to ensure the smooth transition of duct fluid flow speed, reduce turbulent flow, improve measuring accuracy, the utility model passes through chamfering structure transition by between the tube chamber of standard gauge pipeline section 6 and the tube chamber of one-level undergauge pipeline section 7, and the two ends of the main leg 3 that tests the speed are transitioned into one-level undergauge pipeline section 7 by chamfering structure.
When the utility model uses, be connected to by the standard gauge pipeline section 6 at step pipeline section two ends and measure on pipeline.Liquid is transitioned into through one-level undergauge pipeline section 7 main leg 3 that tests the speed by standard gauge pipeline section 6, standard gauge pipeline section 6 is arrived through one-level undergauge pipeline section 7 again by the main leg 3 that tests the speed, make flow stream velocity obtain smooth transition, reduce turbulent flow, reach the object improving measuring accuracy.The mode of two ultrasonic transducers 1 at the two ends of the main leg that tests the speed by axial correlation is measured the flow rate of liquid in flowing pipe, adopt axial correlation transducer mounting means to improve received signal strength, greatly reduce because a variety of causes causes signal intensity reduction to cause Received signal strength to cross weak and measure failed probability.
Other parts of the present utility model adopt known technology, do not repeat them here.
Claims (4)
1. a ultrasonic liquid flow meter pipeline, it is characterized in that: comprise step pipeline section, test the speed main leg (3), two axial correlation type ultrasonic transducers (1), described step pipeline section is metal material, its two ends are standard gauge pipeline section (6), interlude is that caliber is less than the caliber of standard gauge pipeline section and the one-level undergauge pipeline section (7) coaxial with standard gauge pipeline section, the tube wall of described one-level undergauge pipeline section (7) has two mounting holes (8), ultrasonic transducer (1) described in two is arranged in described one-level undergauge pipeline section (7) respectively by two mounting holes (8), and form correlation state along pipeline axis, the described main leg of testing the speed (3) is the straight length of a plastic material, and it to be coaxially arranged in described one-level undergauge pipeline section (7) and to be positioned between two mounting holes (8).
2. a kind of ultrasonic liquid flow meter pipeline according to claim 1, is characterized in that: described in the main leg (3) that tests the speed position by the stud (2) be arranged on one-level undergauge pipeline section (7) and fix.
3. a kind of ultrasonic liquid flow meter pipeline according to claim 1, it is characterized in that: described ultrasonic transducer (1) be cone end conical structure outwardly dorsad, the neck cross section of described ultrasonic transducer (1) is fusiformis, and the major axis of described fusiformis is consistent with the axis direction of pipeline.
4. a kind of ultrasonic liquid flow meter pipeline according to claim 1 or 2 or 3, it is characterized in that: by chamfering structure transition between the tube chamber of standard gauge pipeline section (6) and the tube chamber of one-level undergauge pipeline section (7), the two ends of the main leg that tests the speed (3) are transitioned into one-level undergauge pipeline section (7) by chamfering structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553908.5U CN204788578U (en) | 2015-07-28 | 2015-07-28 | Ultrasonic wave fluidflowmeter pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553908.5U CN204788578U (en) | 2015-07-28 | 2015-07-28 | Ultrasonic wave fluidflowmeter pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN204788578U true CN204788578U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520553908.5U Active CN204788578U (en) | 2015-07-28 | 2015-07-28 | Ultrasonic wave fluidflowmeter pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595785A (en) * | 2017-01-23 | 2017-04-26 | 青岛海威茨仪表有限公司 | Opposite type small-bore ultrasonic flowmeter |
-
2015
- 2015-07-28 CN CN201520553908.5U patent/CN204788578U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595785A (en) * | 2017-01-23 | 2017-04-26 | 青岛海威茨仪表有限公司 | Opposite type small-bore ultrasonic flowmeter |
| WO2018133462A1 (en) * | 2017-01-23 | 2018-07-26 | 李新兴 | Small-diameter ultrasonic flow meter having opposing transducers |
| US10948324B2 (en) | 2017-01-23 | 2021-03-16 | Qingdao Hiwits Meter Co., Ltd. | Small-diameter ultrasonic flow meter having opposing transducers |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266071 Room 601, Building 3, Qingdao Software Park, 288 Ningxia Road, Shinan District, Qingdao City, Shandong Province Patentee after: Qingdao Jicheng electronic Limited by Share Ltd Address before: 266101 Shandong Province, Qingdao city Laoshan District Songling Road No. 169 Building No. 1 Room 202 Patentee before: Qingdao Integrated Electronic Co., Ltd. |