CN204988388U - Ultrasonic flowmeter's meter buret segment structure - Google Patents
Ultrasonic flowmeter's meter buret segment structure Download PDFInfo
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- CN204988388U CN204988388U CN201520675098.0U CN201520675098U CN204988388U CN 204988388 U CN204988388 U CN 204988388U CN 201520675098 U CN201520675098 U CN 201520675098U CN 204988388 U CN204988388 U CN 204988388U
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Abstract
The utility model discloses an ultrasonic flowmeter's meter buret segment structure belongs to instrument design technical field, meter buret segment structure includes the body, the body is provided with the installation position that is used for the ultrasonic measurement unit mount, still is provided with the adapter that is used for the pipe diameter conversion on the body, the utility model discloses an ultrasonic flowmeter's meter buret segment structure avoids coming the design according to the installation pipe diameter of difference through the adapter that is used for the pipe diameter to change on the meter buret section body and counts the pipe diameter of buret section body, has overcome because of the shortcomings that the ultrasonic flowmeter specification is various that meter buret section pipe diameter specification difference leads to, reaches the reduction design degree of difficulty and improves and assemble the precision purpose, also reaches the purpose of the meter buret section commonality of the different pipe diameters of improvement.
Description
Technical field
The utility model relates to a kind of structure of instrument and meter for automation, and particularly a kind of gauge line segment structure of ultrasonic flow meter, belongs to instrument design technical field.
Background technology
Ultrasonic flowmeter is to the instrument of the work of supersonic beam (or ultrasonic pulse) in order to measuring flow by test fluid flowing.According to the difference of Cleaning Principle, draw together ultrasonic flowmeter and can be divided into propagation speed differential method (direct time difference method, time difference method, phase difference method and frequency-difference method), beam deviation method, Doppler method, cross-correlation method, space filter method and Noise Method etc.
Ultrasonic flowmeter is generally the caliber designing metering pipeline section body according to different installation calibers, and it is various that such mode result in metering pipeline section caliber specification.Because ultrasonic flow meter requires higher to design accuracy and assembly precision, metering pipeline section caliber specification is more brings adverse effect to flowmeter accuracy design and assembly precision, also brings problem to the versatility between different tube diameters metering pipeline section and installation body and compatibility simultaneously.
In addition, hyperacoustic measuring process and measuring principle require that ultrasonic measurement assembly should have higher installation accuracy on metering pipeline section, measure pipeline section simultaneously and also should possess good mechanical endurance, to ensure to measure the reliable of pipeline section physical construction, because of cold and hot, the external force of metering pipeline section or aging distortion, the accuracy of ultrasonic measurement assemblies meter is not had a negative impact.The body of the metering pipeline section of therefore traditional ultrasonic flow meter generally adopts metal material to make, reliable to ensure in its structure.
But in some special mounting environment, such as should not adopt in the environment of metal as metering pipeline section, or require that metering pipeline section has lighter volume, again or the metering pipeline section design needing a kind of cost cheaper, the metering pipeline section that the body of plastic material is used as ultrasonic flow meter is that one is preferably selected.But plastic material body has cold and hot, the external force or aging distortion that there is metering pipeline section and the factor had a negative impact to the metering accuracy of ultrasonic measurement assembly, and the metering pipeline section making traditional unitary plastic body be used as ultrasonic flow meter is restricted.
Than that described above, in order to avoid traditional communication velocity contrast method causes error to ultrasonic flow rate measurement amount, there is a kind of design proposal installing reflecting body in flow channels (metering pipeline section): in body, be provided with two pieces of reflecting bodys be oppositely arranged in miter angle, the ultrasonic signal sensor being positioned at top body sends ultrasonic signal to the first piece reflecting body, second piece of reflecting body is reached by its reflection, again after primary event receive by the ultrasonic sensor of top, complete one-shot measurement, its process as schematically shown in Figure 1, form a kind of mounting means and transmission path of " u " type.Effectively can avoid relying in classic method tube wall to reflect by reflecting body reflective design and causing self interference of ultrasonic signal, the shortcoming such as directivity is poor, intensity is low like this.
But the mounting means of above-mentioned ultrasonic flow meter " u " type and transmission path cause tubular body 2 pieces of reflecting bodys and cause disturbance to a certain extent to current, and the structure of reflecting body produces certain impact to flow characteristics.Under this mentality of designing, transmission path is comparatively complicated simultaneously, the installation of 2 reflecting bodys and location comparatively difficulty, requires higher in the assembling of table body to assembly precision.
Summary of the invention
Goal of the invention of the present utility model is: for above-mentioned Problems existing, a kind of gauge line segment structure of ultrasonic flow meter is provided to design, the caliber that need design different metering pipeline section body according to different installation calibers is avoided by the design of measuring pipeline section, thus the shortcoming that the metering pipeline section caliber specification caused is various, reach and reduce design difficulty and improve assembly precision object, also reach the versatility improving different tube diameters metering pipeline section and assemble with assembling pipeline enclosure.
The technical solution adopted in the utility model is as follows:
The gauge line segment structure of ultrasonic flow meter, comprises body, and described body is provided with the installation position of installing for ultrasonic measurement assembly, body is also provided with the adapter for caliber conversion.
Further, described adapter and body are one-piece construction.Or described adapter is connected removably with body.
Further, described body adopts plastic material to make, and body is provided with the body enhancement Layer strengthened for plastic material body.The material that described body enhancement Layer adopts intensity and hardness to be greater than plastic material body is made, to play the effect strengthening body.
Further, described body enhancement Layer adopts metal material to make, and described body and body enhancement Layer are injection molded one-piece constructions.
Further, the DN of described body is 15mm-200mm.
Further, the described installation position for the installation of ultrasonic measurement assembly comprises first sensor installation position and the second sensor installation position, is provided with 1 reflecting body installation position of installing for ultrasonic signal reflecting body with on the body of position corresponding to described first sensor installation position and the second sensor installation position.Arrange 1 by the position corresponding with the second sensor installation position in first sensor installation position and only have 1 reflecting body installation position, form the ultrasonic transmission path of first sensor installation position-sensor installation position, reflecting body installation position-the second, realize the metering of fluid flow.
Further, described reflecting body installation position is positioned on the perpendicular bisector of first sensor installation position and the second sensor installation position line.
Further, also comprise the reflecting body being positioned at reflecting body installation position, the reflecting surface of described reflecting body parallels with the axis of body.
Further, the tube wall of position, described reflecting body installation position is provided with dismountable lid.
Further, also comprise the ultrasonic sensor being positioned at first sensor installation position and the second sensor installation position, described ultrasonic sensor comprises ultrasonic transmitting element and ultrasonic wave receive unit.
Further, described body is also provided with valve, institute's valve and body are injection molded one-piece constructions, the valve body of described valve are provided with valve body enhancement Layer.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, the gauge line segment structure of ultrasonic flow meter of the present utility model, the caliber that need design metering pipeline section body according to different installation calibers is avoided by the adapter for caliber conversion on metering pipeline section body, overcome the shortcoming that ultrasonic flow meter specification that is that cause is various because metering pipeline section caliber specification is different, reach and reduce design difficulty and improve assembly precision object, also reach the object improving the versatility that different tube diameters metering pipeline section assembles with assembling pipeline enclosure;
2, the gauge line segment structure of ultrasonic flow meter of the present utility model, by arranging the body enhancement Layer being used for plastic material body and strengthening at the body of metering pipeline section, realize the object of plastic material for the metering tube manufacture of ultrasonic flow meter, on the reliability basis of metering pipeline section ensureing ultrasonic flow meter, traditional metal material metering pipeline section can be substituted;
3, the gauge line segment structure of ultrasonic flow meter of the present utility model, described body is only provided with and only has 1 reflecting body installation position, compared to 2 reflecting bodys that " u " type transmission path and mounting means have, effectively reduce the interference of reflecting body to body inner fluid, for measurement accuracy lays the first stone; Compare with the ultrasonic flow meter of mounting means with " u " type transmission path, owing to decreasing the quantity of reflecting body, and eliminate the accurate adaptation requirement of assembling angle between two reflecting bodys, two sensors, therefore the utility model has the advantage lower to assembly precision requirement between reflecting body, sensor.
Accompanying drawing explanation
Fig. 1 is the gauge line segment structure schematic diagram of ultrasonic flow meter of the present utility model;
Fig. 2 is the mounting structure schematic diagram of the metering pipeline section of existing ultrasonic flow meter;
Fig. 3 is one of mounting structure schematic diagram of the metering pipeline section of ultrasonic flow meter of the present utility model;
Fig. 4 is the mounting structure schematic diagram two of the metering pipeline section of ultrasonic flow meter of the present utility model;
Fig. 5 is the mounting structure schematic diagram three of the metering pipeline section of ultrasonic flow meter of the present utility model;
Fig. 6 is the mounting structure schematic diagram four of the metering pipeline section of ultrasonic flow meter of the present utility model;
Fig. 7 be body of the present utility model with body enhancement Layer in conjunction with one of schematic diagram;
Fig. 8 be body of the present utility model with body enhancement Layer in conjunction with schematic diagram two;
Fig. 9 be body of the present utility model with body enhancement Layer in conjunction with schematic diagram three;
Figure 10 be body of the present utility model with body enhancement Layer in conjunction with schematic diagram four.
Mark in figure: 1-body, 1a-body enhancement Layer, 2-first sensor installation position, 3-second sensor installation position, 4-reflecting body installation position, 5-lid, 6-ultrasonic sensor, 7-reflecting body, 8-valve, 8a-valve body, 8b-valve body enhancement Layer, 9-adapter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
The gauge line segment structure of ultrasonic flow meter of the present utility model, as shown in Figure 1.Metering pipeline section comprises body 1, and described body 1 is provided with the installation position of installing for ultrasonic measurement assembly, and body 1 end is provided with the adapter 9 for caliber conversion.Described adapter 9 and body 1 can be made of one piece, and also can connect removably, and the mode of removably connecting comprises being threaded as shown in Figure 1 or Flange joint (not illustrating).
The gauge line segment structure of ultrasonic flow meter of the present utility model, the caliber need installing caliber to design according to difference metering pipeline section body is avoided by the adapter 9 for caliber conversion on metering pipeline section body, overcome the shortcoming that ultrasonic flow meter specification that is that cause is various because metering pipeline section caliber is different, reach and reduce design difficulty and improve assembly precision object, also reach the object improving the versatility that different tube diameters metering pipeline section assembles with assembling pipeline enclosure.In the present embodiment, Fig. 2 to Fig. 6 eliminates the signal of adapter 9, its with as Fig. 1 principle and structure similar, do not affect the understanding that those skilled in the art are arranged adapter 9.
In the present embodiment, the DN of described body is that 15mm-200mm is optional.Adapter 9 can transfer into the larger or less caliber of caliber according to user demand.
In the present embodiment, adapter 9 and body 1 adopt screw thread to removably connect.
Body 1, adapter 9 can adopt metal or plastic material to make.Body 1 described in the present embodiment adopts plastic material to make, and body 1 is provided with the body enhancement Layer 1a strengthened for plastic material body, as shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.The material that described body enhancement Layer 1a adopts intensity and hardness to be greater than plastic material body is made, and to play the effect strengthening body, further this body enhancement Layer 1a adopts metal material to make, as the material such as stainless steel or carbon steel.Preferably described body 1 and body enhancement Layer 1a are injection molded one-piece constructions, to ensure the globality of two assemblies.
Fig. 7 to Figure 10 illustrates the several specifically in conjunction with schematic diagram of body 1 and body enhancement Layer 1a: Fig. 7 middle tube body enhancement Layer 1a fits in the inwall of body 1; On the inwall that Fig. 8 middle tube body enhancement Layer 1a is embedded in body 1 and inside surface flush; It is inner that Fig. 9 middle tube body enhancement Layer 1a is embedded at body 1 completely; Figure 10 middle tube body enhancement Layer 1a fits in the outer wall of body 1; Similar with Fig. 8, on the outer wall that body enhancement Layer 1a also can be embedded in body 1 and outside surface flush.
The gauge line segment structure of ultrasonic flow meter of the present utility model, by arranging the body enhancement Layer 1a being used for plastic material body and strengthening at the body 1 of metering pipeline section, realize the object of plastic material for the metering tube manufacture of ultrasonic flow meter, on the reliability basis of metering pipeline section ensureing ultrasonic flow meter, traditional metal material metering pipeline section can be substituted.
Described for ultrasonic measurement assembly install installation position can conveniently principle or mounting means ultrasonic flow meter design.
As shown in Figure 2, it represents that the design proposal of reflecting body 4 is installed in a kind of existing employing broadcast based on velocity contrast method in flow channels (metering pipeline section), two pieces of reflecting bodys 4 be oppositely arranged in miter angle are provided with in body, the ultrasonic sensor 6 being positioned at top body sends ultrasonic signal to the first piece reflecting body 4, second piece of reflecting body 4 is reached by its reflection, again after primary event receive by the ultrasonic sensor 6 of top, complete one-shot measurement.Described reflecting body 7 generally adopts metal alloy to make, and its reflecting surface is through retrofit, fine to ultrasonic reflections effect.
The gauge line segment structure of ultrasonic flow meter of the present utility model, it can also as Fig. 3 for the installation position that ultrasonic measurement assembly is installed, Fig. 4, shown in Fig. 5 and Fig. 6, comprise body 1, body 1 is provided with the first sensor installation position 2 and the second sensor installation position 3 of installing for ultrasonic sensor, 1 reflecting body installation position 4 of installing for ultrasonic signal reflecting body is provided with on the body 1 of position corresponding to described first sensor installation position 2 and the second sensor installation position 3, in order to form the ultrasonic transmission path of first sensor installation position-sensor installation position, reflecting body installation position-the second.
1 reflecting body installation position 4 of the present utility model, body 1 has following set-up mode:
(1) as indicated at 3, first sensor installation position 2 and the second sensor installation position 3 are positioned at the same side of body 1, reflecting body installation position 4 is positioned at relative opposite side, and reflecting body installation position 4 is positioned on the perpendicular bisector of first sensor installation position 2 and the second sensor installation position 3 line;
(2) as shown in Figure 4, first sensor installation position 2 and the second sensor installation position 3 are positioned at the same side of body 1, reflecting body installation position 4 is positioned at relative opposite side, on the position of reflecting body installation position 4 corresponding body 1 between first sensor installation position 2 and the second sensor installation position 3, but reflecting body installation position 4 is not positioned on the perpendicular bisector of first sensor installation position 2 and the second sensor installation position 3 line;
(3) as shown in Figure 5, first sensor installation position 2 and the second sensor installation position 3 are positioned at the same side of body 1, reflecting body installation position 4 is positioned at relative opposite side, and reflecting body installation position 4 is positioned on the position of corresponding body 1 outside first sensor installation position 2 and the second sensor installation position 3;
(4) as shown in Figure 6, first sensor installation position 2 and the second sensor installation position 3 lay respectively at the not homonymy of body 1, and reflecting body installation position 4 is positioned on first sensor installation position 2 or the second place, sensor installation position 3 side pipe body 1.
Above-mentioned set-up mode (1), (2) and (4) then describe the schematic diagram on the position of reflecting body installation position 4 corresponding body 1 between first sensor installation position 2 and the second sensor installation position 3 in detail.
Based on the fundamental design idea of above-mentioned gauge line segment structure, the utility model is as the further realization of function of measuring, the gauge line segment structure of ultrasonic flow meter also comprises the reflecting body 7 being positioned at reflecting body installation position 4, be positioned at the ultrasonic sensor 6 of first sensor installation position 2 and the second sensor installation position 3, to form the ultrasonic transmission path of first sensor installation position-sensor installation position, reflecting body installation position-the second.The setting angle of ultrasonic sensor 6 and reflecting body 7 can carry out accommodation according to incident, reflexive property.As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, dotted line wherein represents the path of ultrasonic propagation.
In the utility model, described ultrasonic sensor 6 comprises ultrasonic transmitting element and ultrasonic wave receive unit, realize the ultrasound wave transmission of sensor and the function of acceptance, to realize the two-way signaling transmission of co-current flow and counter-current flow between first sensor installation position in body 1-sensor installation position, reflecting body installation position-the second, to improve accuracy of measurement.
In order to improve the accuracy of Signal transmissions, reduce the installation complexity of metering pipeline section simultaneously, as preferably mode in above-mentioned design: first sensor installation position 2 and the second sensor installation position 3 are positioned at the same side of body 1, reflecting body installation position 4 is positioned at relative opposite side, reflecting body installation position 4 is positioned on the perpendicular bisector of first sensor installation position 2 and the second sensor installation position 3 line, the installation form that the reflecting surface of reflecting body 7 parallels with the axis of body 1, the at right angle setting of reflecting body 7 in pipeline can be realized like this, be convenient to the degree of accuracy and the convenience that ensure installation, as shown in figures 1 and 3.
In order to improve the facility that reflecting body 7 is installed, body 1 outer wall of position, described reflecting body installation position 4 is provided with dismountable lid 5, and reflecting body 7, by after opening lid 5, is installed by the mounting hole on body 1.
In addition, the present embodiment is provided with valve 8 on body 1, and described valve 8 is injection molded one-piece construction with body 1.In order to ensure the reliability of valve further, the valve body 8a of described valve 8 is provided with valve body enhancement Layer 8b, as shown in Figure 1.Valve body enhancement Layer 8b action principle is identical with the present embodiment middle tube body enhancement Layer 1a with set-up mode.
The gauge line segment structure of ultrasonic flow meter of the present utility model, body is only provided with and only has 1 reflecting body installation position, compared to 2 reflecting bodys that " u " type transmission path and mounting means have, effectively reduce the interference of reflecting body to body inner fluid, for measurement accuracy lays the first stone; Compare with the ultrasonic flow meter of mounting means with " u " type transmission path, owing to decreasing the quantity of reflecting body, and eliminate the accurate adaptation requirement of assembling angle between two reflecting bodys, two sensors, therefore the utility model has the advantage lower to assembly precision requirement between reflecting body, sensor concurrently; In addition, reflecting body installation position is positioned on the perpendicular bisector of first sensor installation position and the second sensor installation position line, or the reflecting surface of reflecting body parallels with the axis of body, then greatly reduce the installation accuracy requirement of reflecting body.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the gauge line segment structure of ultrasonic flow meter, is characterized in that: comprise body (1), and described body (1) is provided with the installation position of installing for ultrasonic measurement assembly, body (1) is also provided with the adapter (9) for caliber conversion.
2. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: described body (1) adopts plastic material to make, and body (1) is provided with the body enhancement Layer (1a) strengthened for plastic material body.
3. the gauge line segment structure of ultrasonic flow meter as claimed in claim 2, it is characterized in that: described body enhancement Layer (1a) adopts metal material to make, described body (1) and body enhancement Layer (1a) are injection molded one-piece constructions.
4. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: the DN of described body (1) is 15mm-200mm.
5. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, it is characterized in that: the described installation position for the installation of ultrasonic measurement assembly comprises first sensor installation position (2) and the second sensor installation position (3), be provided with 1 reflecting body installation position (4) of installing for ultrasonic signal reflecting body with on the body (1) of the corresponding position of described first sensor installation position (2) and the second sensor installation position (3).
6. the gauge line segment structure of ultrasonic flow meter as claimed in claim 5, is characterized in that: described reflecting body installation position (4) is positioned on the perpendicular bisector of first sensor installation position (2) and the second sensor installation position (3) line.
7. the gauge line segment structure of ultrasonic flow meter as claimed in claim 5, it is characterized in that: also comprise the reflecting body (7) being positioned at reflecting body installation position (4), the reflecting surface of described reflecting body (7) parallels with the axis of body (1).
8. the gauge line segment structure of ultrasonic flow meter as claimed in claim 5, is characterized in that: body (1) outer wall of described reflecting body installation position (4) position is provided with dismountable lid (5).
9. the gauge line segment structure of ultrasonic flow meter as claimed in claim 5, it is characterized in that: also comprise the ultrasonic sensor (6) being positioned at first sensor installation position (2) and the second sensor installation position (3), described ultrasonic sensor (6) comprises ultrasonic transmitting element and ultrasonic wave receive unit.
10. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, it is characterized in that: described body (1) is also provided with valve (8), institute's valve (8) and body (1) are injection molded one-piece constructions, and the valve body (8a) of described valve (8) is provided with valve body enhancement Layer (8b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675098.0U CN204988388U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520675098.0U CN204988388U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
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| CN204988388U true CN204988388U (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019152040A1 (en) * | 2018-02-01 | 2019-08-08 | Reliance Worldwide Corporation | Flow tube for hosting a flow meter and a shut-off valve |
| US11118949B2 (en) | 2018-02-01 | 2021-09-14 | Reliance Worldwide Corporation | Sensor mount |
-
2015
- 2015-09-02 CN CN201520675098.0U patent/CN204988388U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019152040A1 (en) * | 2018-02-01 | 2019-08-08 | Reliance Worldwide Corporation | Flow tube for hosting a flow meter and a shut-off valve |
| US11118949B2 (en) | 2018-02-01 | 2021-09-14 | Reliance Worldwide Corporation | Sensor mount |
| US11293562B2 (en) | 2018-02-01 | 2022-04-05 | Streamlabs, Inc. | Flow tube for hosting a flow meter and a shut-off valve |
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