CN205002816U - Ultrasonic flowmeter's meter buret segment structure - Google Patents
Ultrasonic flowmeter's meter buret segment structure Download PDFInfo
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- CN205002816U CN205002816U CN201520675228.0U CN201520675228U CN205002816U CN 205002816 U CN205002816 U CN 205002816U CN 201520675228 U CN201520675228 U CN 201520675228U CN 205002816 U CN205002816 U CN 205002816U
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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 is provided with the first sensor installation position and second sensor installation position that are used for the ultrasonic sensor installation on the body, and be provided with 1 reflector that is used for the ultrasonic signal reflector to install on the body of first sensor installation position and the second sensor installation position that the position corresponds and install, the utility model discloses being provided with on the body and only having 1 reflector installation position, compare 2 reflectors that type transmission route had in " u ", the effectual internal fluidic of reflector geminate transistors that has reduced disturbs, simultaneously owing to reduced the quantity of reflector, and has reduced the accurate adaptation requirement of assembling the angle between two reflectors, two sensors.
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, ultrasonic flowmeter 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.
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, 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, comprise body, body is provided with the first sensor installation position and the second sensor installation position of installing for ultrasonic sensor, 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.
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 adopts metal or plastics to make.
Further, the DN of described body is 15mm-200mm.
Further, described body is provided with valve.
Further, at least one end of described body is provided with the adapter for caliber conversion, and described adapter is connected removably with body.
The gauge line segment structure of ultrasonic flow meter of the present utility model, 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, realized the metering of fluid flow by propagation speed differential method.
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, 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;
2, 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 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;
3, 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, greatly reduces the installation accuracy requirement of reflecting body;
4, the utility model design, simple for structure, effectively reduce production cost and assembly cost, improve Product Assembly qualification rate.
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.
Mark in figure: 1-body, 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, 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
Fig. 1 is " u " type transmission path with 2 reflecting bodys 7 based on existing propagation speed differential method and mounting means.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, as shown in Fig. 2, Fig. 3, 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, in order to form the ultrasonic transmission path of first sensor installation position-sensor installation position, reflecting body installation position-the second with on the body 1 of position corresponding to described first sensor installation position 2 and the second sensor installation position 3.
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 homonymy 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 homonymy 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, with the function of the ultrasound wave transmission and acceptance that realize sensor, 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, described body 1 adopts metal or plastics to make, and its DN is that 15mm-200mm is optional.
In addition, the present embodiment is provided with valve 8 on body 1.
In order to realize the relatively fixing and unified of the specification of body 1, at least one end of described body 1 is provided with the adapter 9 for caliber conversion, described adapter 9 is connected removably with body 1, 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: 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, is 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).
2. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, 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).
3. the gauge line segment structure of ultrasonic flow meter as claimed in claim 2, 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.
4. the gauge line segment structure of ultrasonic flow meter as claimed in claim 3, 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).
5. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: body (1) outer wall of described reflecting body installation position (4) position is provided with dismountable lid (5).
6. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, 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.
7. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: described body (1) adopts metal or plastics to make.
8. 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.
9. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, is characterized in that: described body (1) is provided with valve (8).
10. the gauge line segment structure of ultrasonic flow meter as claimed in claim 1, it is characterized in that: at least one end of described body (1) is provided with the adapter (9) for caliber conversion, and described adapter (9) is connected removably with body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675228.0U CN205002816U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675228.0U CN205002816U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002816U true CN205002816U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520675228.0U Active CN205002816U (en) | 2015-09-02 | 2015-09-02 | Ultrasonic flowmeter's meter buret segment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205002816U (en) |
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2015
- 2015-09-02 CN CN201520675228.0U patent/CN205002816U/en active Active
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