CN205719135U - A kind of modified model column ultrasonic flowmeter base tube - Google Patents
A kind of modified model column ultrasonic flowmeter base tube Download PDFInfo
- Publication number
- CN205719135U CN205719135U CN201620620534.9U CN201620620534U CN205719135U CN 205719135 U CN205719135 U CN 205719135U CN 201620620534 U CN201620620534 U CN 201620620534U CN 205719135 U CN205719135 U CN 205719135U
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- China
- Prior art keywords
- inlet end
- water inlet
- reflecting surface
- water
- water side
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Abstract
The utility model discloses a kind of modified model column ultrasonic flowmeter base tube, including body, water inlet end ultrasonic transducer, water side ultrasonic transducer, temperature sensor, water inlet end reflection pillar and water side reflection pillar, it is characterized in that: the upper end of described water inlet end reflection pillar is provided with water inlet end reflecting surface, the upper end of water side reflection pillar is provided with water side reflecting surface, water inlet end reflecting surface is symmetrical with water side reflecting surface, water inlet end reflecting surface is 135 ° with the angle of horizontal plane, water side reflecting surface is 45 ° with the angle of horizontal plane, the line of centres of water inlet end reflecting surface and water side reflecting surface and the centerline axis parallel of body.The junction of reflecting surface Yu reflection pillar is carried out chamfered by this utility model, the edge, junction processing back reflection face and reflection pillar is circular arc type, can obviously reduce the generation of tube wall eddy current, in making pipeline section, fluid flow resistance reduces, in the case of water velocity is relatively low, still can ensure the measuring accuracy of ultrasonic calorimeter.
Description
Technical field
This utility model relates to the improvement of a kind of ultrasonic flowmeter, specifically a kind of modified model column ultrasound wave
Effusion meter base tube, it is a kind of to have the flow ultrasonic flowmeter base tube from flow stabilizing function.
Background technology
Ultrasonic flowmeter, as a kind of contactless instrument, does not comprise any movable member, has installation in its base tube
Simplicity, mechanical abrasion, do not produce additional drag, the advantage that reliability is high, is a kind of ideal energy-saving instrument.Ultrasonic
There is direct relation in the precision of low flow measurement and flow field.At present, domestic and international existing column ultrasonic flowmeter base
Pipe is typically made up of metal section, transducer, reflector.Owing to cylinder reflector is fixedly mounted at water inlet and the water outlet of tube chamber
End, relatively big to the inhibition of the fluid flowed through at this, affect the distribution of tube chamber flow field, easily produce turbulent flow and eddy current, from
And affect the certainty of measurement of ultrasonic flowmeter, cause measurement error.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in construction, easy for installation, has flow from flow stabilizing function, even if
In the case of water velocity is less, also can guarantee that the modified model column ultrasonic flowmeter base tube of certainty of measurement.
In order to reach object above, this utility model be the technical scheme is that this one modified model column is ultrasonic
Low base tube, including body, water inlet end ultrasonic transducer, water side ultrasonic transducer, temperature sensor, water inlet end
Reflection pillar and water side reflection pillar, the sidewall of the front and back ends of described body is respectively provided with and is installed into water end (W.E.) ultrasonic waves
Can device water inlet end ultrasonic transducer installing hole and for installing the water side ultrasonic wave transducer of water side ultrasonic transducer
Device installing hole, the sidewall of the rear end of body is provided with for temperature sensor mounted temperature sensor fixing hole, in body
Portion is provided with axially arranged tube chamber, is fixed with symmetrical water inlet end reflection pillar and water side reflection in the tube chamber of body
Post, water inlet end reflection pillar is positioned at the underface of water inlet end ultrasonic transducer, and water side reflection pillar is positioned at water side ultrasonic waves
The underface of energy device, it is characterised in that: the upper end of described water inlet end reflection pillar is provided with water inlet end reflecting surface, water side reflection pillar
Upper end is provided with water side reflecting surface, and water inlet end reflecting surface is symmetrical with water side reflecting surface, water inlet end reflecting surface and horizontal plane
Angle is 135 °, and water side reflecting surface is 45 ° with the angle of horizontal plane, and the center of water inlet end reflecting surface and water side reflecting surface is even
Line and the centerline axis parallel of body.
Described water inlet end reflection pillar and water side reflection pillar are all metal cylinder, and water inlet end reflecting surface is anti-with water inlet end
The junction penetrating post carries out chamfered, and water side reflecting surface carries out chamfered with the junction of water side reflection pillar.
The beneficial effects of the utility model are: the junction of reflecting surface Yu reflection pillar is carried out chamfered, after process
Reflecting surface is circular arc type with the edge, junction of reflection pillar, can obviously reduce the generation of tube wall eddy current, improves fluid flow state；Simultaneously
In making pipeline section, fluid flow resistance reduces, and in the case of water velocity is relatively low, still can ensure the metering essence of ultrasonic calorimeter
Degree.
Accompanying drawing explanation
Fig. 1 is structure schematic top plan view of the present utility model.
Fig. 2 is the structure cross-sectional schematic of body of the present utility model.
Fig. 3 is that the structure master of water inlet end reflection pillar of the present utility model regards enlarged diagram.
Fig. 4 is that the structure of water inlet end reflection pillar of the present utility model overlooks enlarged diagram.
In figure: 1, body；2, water inlet end ultrasonic transducer；3, water side ultrasonic transducer；4, temperature sensor；5、
Temperature sensor fixing hole；6, water inlet end reflection pillar；7, water side reflection pillar；8, water inlet end transducer installing hole；9, water side
Transducer installing hole；10, water inlet end reflecting surface；11, water side reflecting surface.
Detailed description of the invention
This utility model is made with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4.This one modified model column ultrasonic flowmeter base tube,
Including body 1, water inlet end ultrasonic transducer 2, water side ultrasonic transducer 3, temperature sensor 4, water inlet end reflection pillar 6 and
Water side reflection pillar 7, the sidewall of the front and back ends of described body 1 is respectively provided with and is installed into water end (W.E.) ultrasonic transducer 2
Water inlet end ultrasonic transducer installing hole 8 and for installing the water side ultrasonic transducer peace of water side ultrasonic transducer 3
Dress hole 9, the sidewall of the rear end of body 1 is provided with the temperature sensor fixing hole 5 for mounting temperature sensor 4, in body 1
Portion is provided with axially arranged tube chamber, is fixed with symmetrical water inlet end reflection pillar 6 and water side reflection in the tube chamber of body 1
Post 7, water inlet end reflection pillar 6 is positioned at the underface of water inlet end ultrasonic transducer 2, and it is ultrasonic that water side reflection pillar 7 is positioned at water side
The underface of wave transducer 3, it is characterised in that: the upper end of described water inlet end reflection pillar 6 is provided with water inlet end reflecting surface 10, water side
The upper end of reflection pillar 7 is provided with water side reflecting surface 11, and water inlet end reflecting surface 10 is symmetrical with water side reflecting surface 11, and water inlet end is anti-
The angle penetrating face 10 and horizontal plane is 135 °, and water side reflecting surface 11 is 45 ° with the angle of horizontal plane, water inlet end reflecting surface 10 He
The line of centres of water side reflecting surface 11 and the centerline axis parallel of body 1.
Described water inlet end reflection pillar 6 and water side reflection pillar 7 are all metal cylinder, water inlet end reflecting surface 10 and water inlet
The junction of end reflection pillar 6 carries out chamfered, and water side reflecting surface 11 is carried out at chamfering with the junction of water side reflection pillar 7
Reason.
This utility model is due to water inlet end reflection pillar 6 and the junction of water inlet end reflecting surface 10, water side reflecting surface 11
Carrying out chamfered with the junction of water side reflection pillar 7, after process, junction is curved, can obviously reduce the product of tube wall eddy current
Raw, improve fluid flow state；In making pipeline section, fluid flow resistance reduces simultaneously, still can ensure to surpass in the case of water velocity is relatively low
The measuring accuracy of acoustic wave flow meter.
Claims (2)
1. a modified model column ultrasonic flowmeter base tube, including body (1), water inlet end ultrasonic transducer (2), water outlet
End ultrasonic transducer (3), temperature sensor (4), water inlet end reflection pillar (6) and water side reflection pillar (7), described body (1)
Front and back ends sidewall on be respectively provided be installed into water end (W.E.) ultrasonic transducer (2) water inlet end ultrasonic transducer peace
Fill hole (8) and be used for installing water side ultrasonic transducer installing hole (9) of water side ultrasonic transducer (3), body (1)
The sidewall of rear end is provided with the temperature sensor fixing hole (5) for mounting temperature sensor (4), and the middle part of body (1) is provided with
Axially arranged tube chamber, is fixed with symmetrical water inlet end reflection pillar (6) and water side reflection pillar in the tube chamber of body (1)
(7), water inlet end reflection pillar (6) is positioned at the underface of water inlet end ultrasonic transducer (2), and water side reflection pillar (7) is positioned at water outlet
The underface of end ultrasonic transducer (3), it is characterised in that: the upper end of described water inlet end reflection pillar (6) is provided with water inlet end reflection
Face (10), the upper end of water side reflection pillar (7) is provided with water side reflecting surface (11), and water inlet end reflecting surface (10) reflects with water side
Face (11) is symmetrical, and water inlet end reflecting surface (10) is 135 ° with the angle of horizontal plane, water side reflecting surface (11) and horizontal plane
Angle is 45 °, the line of centres of water inlet end reflecting surface (10) and water side reflecting surface (11) and the centerline axis parallel of body 1.
A kind of modified model column ultrasonic flowmeter base tube the most according to claim 1, it is characterised in that: described enters
Water end (W.E.) reflection pillar (6) and water side reflection pillar (7) are all metal cylinder, water inlet end reflecting surface (10) and water inlet end reflection pillar
(6) junction carries out chamfered, and water side reflecting surface (11) is carried out at chamfering with the junction of water side reflection pillar (7)
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620534.9U CN205719135U (en) | 2016-06-22 | 2016-06-22 | A kind of modified model column ultrasonic flowmeter base tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620534.9U CN205719135U (en) | 2016-06-22 | 2016-06-22 | A kind of modified model column ultrasonic flowmeter base tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719135U true CN205719135U (en) | 2016-11-23 |
Family
ID=57315420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620620534.9U Expired - Fee Related CN205719135U (en) | 2016-06-22 | 2016-06-22 | A kind of modified model column ultrasonic flowmeter base tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205719135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595793A (en) * | 2016-12-09 | 2017-04-26 | 浙江科技学院 | Ultrasonic water meter reflective surface self-cleaning method based on state monitoring |
-
2016
- 2016-06-22 CN CN201620620534.9U patent/CN205719135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595793A (en) * | 2016-12-09 | 2017-04-26 | 浙江科技学院 | Ultrasonic water meter reflective surface self-cleaning method based on state monitoring |
| CN106595793B (en) * | 2016-12-09 | 2019-04-05 | 浙江科技学院 | A kind of ultrasonic water gauge table reflecting surface self cleaning method based on status monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |