CN205002815U - Ultrasonic flowmeter's meter buret segment structure - Google Patents
Ultrasonic flowmeter's meter buret segment structure Download PDFInfo
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- CN205002815U CN205002815U CN201520675197.9U CN201520675197U CN205002815U CN 205002815 U CN205002815 U CN 205002815U CN 201520675197 U CN201520675197 U CN 201520675197U CN 205002815 U CN205002815 U CN 205002815U
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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, including the body of plastics material, the body is provided with the installation position that is used for the ultrasonic measurement unit mount, and the body still is provided with the body enhancement layer that is used for plastics material body to strengthen, the utility model discloses an ultrasonic flowmeter's meter buret segment structure through the body enhancement layer that the body setting in meter buret section is used for plastics material body to strengthen, realizes that the plastics material is used for the purpose of ultrasonic flowmeter's meter buret section preparation, on the reliability basis of the meter buret section of guaranteeing ultrasonic flowmeter, can substitute traditional metal material meter buret section to adapt to special installation environment demand, perhaps effective manufacturing cost who reduces meter buret section.
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.
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.
In addition, 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, make it possible to the body of the metering pipeline section utilizing plastic material body as ultrasonic flow meter, and the defect had when effective elimination unitary plastic body is applied to the metering pipeline section of ultrasonic flow meter.Another object of the utility model is also the gauge line segment structure providing a kind of ultrasonic flow meter, overcome the mounting means of above-mentioned ultrasonic flow meter " u " type and the defect existing for transmission path, simplify assembling and transmission structure, reduce reflecting body to the disturbance of current, reduce metering pipeline section in assembling process to the requirement of precision.
The technical solution adopted in the utility model is as follows:
The gauge line segment structure of ultrasonic flow meter, comprises the body of plastic material, and described body is provided with the installation position of installing for ultrasonic measurement assembly, and body is also 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.
Further, described body and body enhancement Layer are injection molded one-piece constructions.
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, on the position of described reflecting body installation position corresponding body between first sensor installation position and the second sensor installation position.
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, 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;
2, 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, the utility model is owing to decreasing the quantity of reflecting body, and eliminate two reflecting bodys, the accurate adaptation requirement at angle is assembled between two sensors, therefore the utility model has reflecting body, between sensor, assembly precision requires lower advantage,
3, the utility model design, simple for structure, effectively reduce production cost and assembly cost, improve Product Assembly qualification rate;
4, the utility model is provided with the valve of same material on plastic material metering pipeline section, the valve body of described valve is also provided with valve body enhancement Layer, improves the reliability that valve uses too.
Accompanying drawing explanation
Fig. 1 is the gauge line segment structure schematic diagram of existing ultrasonic flow meter;
Fig. 2 is one of gauge line segment structure schematic diagram of ultrasonic flow meter of the present utility model;
Fig. 3 is the gauge line segment structure schematic diagram two of ultrasonic flow meter of the present utility model;
Fig. 4 is the gauge line segment structure schematic diagram three of ultrasonic flow meter of the present utility model;
Fig. 5 is the gauge line segment structure schematic diagram four of ultrasonic flow meter of the present utility model;
Fig. 6 is the gauge line segment structure schematic diagram five 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 Figures 2 to 6.Metering pipeline section comprises the body 1 of plastic material, and described body 1 is provided with the installation position of installing for ultrasonic measurement assembly, and body 1 is also provided with the body enhancement Layer 1a strengthened for plastic material body.
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.Body 1 described in the present embodiment and body enhancement Layer 1a are injection molded one-piece constructions, to ensure the globality of two assemblies.In the present embodiment Fig. 1 body 1 in do not illustrate body enhancement Layer 1a, itself and Fig. 2 to Fig. 6 principle and structure similar, do not affect the understanding that those skilled in the art are arranged body enhancement Layer 1a.
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 1, 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. 2 for the installation position that ultrasonic measurement assembly is installed, Fig. 3, shown in Fig. 4 and Fig. 5, 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 shown in Figure 2, 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 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, 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 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, 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 5, 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 Figure 2 and Figure 6.
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 the utility model, the DN of described body 1 is that 15mm-200mm is optional.
In addition, the present embodiment is provided with valve 8 on body 1, and institute's valve 8 and body 1 are injection molded one-piece constructions.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 6.Valve body enhancement Layer 8b action principle is identical with the present embodiment middle tube body enhancement Layer 1a with set-up mode.
In order to realize the relatively fixing and unified of the specification of body 1, described body 1 end is provided with the adapter 9 for caliber conversion.Described adapter 9 and body 1 can form by integrated injection molding, also can connect removably, and the mode of removably connecting comprises being threaded as shown in Figure 6 or Flange joint (not illustrating).Like this to realize the switching of caliber, to reduce the specifications design of body 1, to simplify design, to produce and assembling.
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, it is characterized in that: the body (1) comprising plastic material, described body (1) is provided with the installation position of installing for ultrasonic measurement assembly, and body (1) is also provided with the body enhancement Layer (1a) strengthened for plastic material body.
2. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: described body enhancement Layer (1a) adopts metal material to make.
3. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: 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, 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).
5. the gauge line segment structure of ultrasonic flow meter as claimed in claim 4, is characterized in that: described reflecting body installation position (4) is positioned on the position of corresponding body (1) between 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 4, 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 4, 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).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675197.9U CN205002815U (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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| CN201520675197.9U CN205002815U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
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| CN205002815U true CN205002815U (en) | 2016-01-27 |
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| CN201520675197.9U Active CN205002815U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414039A (en) * | 2018-05-18 | 2018-08-17 | 广东万家乐燃气具有限公司 | A kind of water flow, water temperature detection method and water flow sensor |
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2015
- 2015-09-02 CN CN201520675197.9U patent/CN205002815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414039A (en) * | 2018-05-18 | 2018-08-17 | 广东万家乐燃气具有限公司 | A kind of water flow, water temperature detection method and water flow sensor |
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