CN203732108U - Ultrasonic water meter pipeline structure with high stability and small initial motion - Google Patents
Ultrasonic water meter pipeline structure with high stability and small initial motion Download PDFInfo
- Publication number
- CN203732108U CN203732108U CN201420008443.0U CN201420008443U CN203732108U CN 203732108 U CN203732108 U CN 203732108U CN 201420008443 U CN201420008443 U CN 201420008443U CN 203732108 U CN203732108 U CN 203732108U
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- Prior art keywords
- ultrasonic
- tube section
- mozzle
- fixed mount
- water meter
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000002604 ultrasonography Methods 0.000 claims description 27
- 230000000977 initiatory effect Effects 0.000 claims description 9
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009433 steel framing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
An ultrasonic water meter pipeline structure with high stability and small initial motion comprises an ultrasonic pipe segment, an ultrasonic transducer mounting hole (1), an ultrasonic transducer mounting hole (2), an ultrasonic fixing frame (1) and an ultrasonic fixing frame (2) and is characterized in that a thread press ring (1) and a thread press ring (2) are arranged on the inner sides of a water inlet and a water outlet of the ultrasonic pipe segment; a flow guide pipe is arranged in a center cavity of the ultrasonic pipe segment; a flow guide pipe positioning hole is formed in the outer side of the ultrasonic pipe segment; the thread press ring (1) and the thread press ring (2) are fixed to the inner wall of the ultrasonic pipe segment through threads respectively, and the flow guide pipe can be fixed to the ultrasonic pipe segment through the flow guide pipe positioning hole and a positioning screw or in a hook-up mode. The fixing frames can be prevented from making displacement and dislocation through the thread press rings of the ultrasonic water meter pipeline structure, diffuse reflection of ultrasonic signals in the pipe segment can be avoided through the flow guide pipe, the initial flow value is reduced, the ultrasonic water meter pipeline structure has flow stabilizing and rectifying effects on fluid, and thus the ultrasonic measurement accuracy is higher.
Description
Technical field
The utility model relates to ultrasonic measurement field, is specifically related to the ultrasonic water meter pipeline structure that a kind of degree of stability is high, stochastic error is little, initiating is little.
Background technology
In fluid measurement field, supersonic technique relies on high, the good stability of its measuring accuracy, can, because drive disk assembly wearing and tearing produce the plurality of advantages such as error in dipping, not be widely used while using for a long time.As the critical component of measuring ultrasonic wave flow, the quality of ultrasonic tube section design performance directly affects the stability of fluid measurement and the adaptability to varying environment.At present conventional ultrasonic tube section generally adopts ultrasound wave fixed mount, establishes support to place the mode of ultrasonic reflections sheet in, around the passage of ultrasonic transmission by metal pipe-wall around, the channel cross-sectional area of ultrasonic transmission is larger.Two reflector plates of general ultrasound wave fixed mount are placed respectively, owing to expanding with heat and contract with cold and being immersed in fluid environment and by fluid impact and being subjected to displacement for a long time, dislocation, thereby the long-time stability that cause error change, general ultrasonic tube section utilizes the mode of Elastic buckle or welding that ultrasound wave fixed mount is fixed on to pipeline section inside, not quick detachable taking-up in the time that the fouling of ultrasound wave fixed mount need to be cleaned, if make ultrasound wave fixed mount adopt the material close with pipeline section expansion coefficient, ultrasound wave fixed mount material will be restricted, and above method can not ensure that ultrasound wave fixed mount can be subjected to displacement scarcely, in addition, general ultrasonic tube section is in the time that ultrasonic signal is measured, can there is diffuse reflection in ultrasound wave metal pipe-wall around, the propagation of true measuring-signal is produced and disturbed, cause that ultrasonic measuring signal is mixed and disorderly, waveform is mixed and disorderly, result is that stochastic error is large, calibration accuracy reduces and even occurs off-gage phenomenon, moreover pipeline section center internal diameter is consistent with pipeline section entery and delivery port internal diameter, in the time that weep is flowed through herein, because flow velocity is difficult for monitoring slowly, make initial-flow large, cause low discharge metering error large, cause damage to administrative authority.
summary of the invention
The purpose of this utility model is to provide the ultrasonic water meter pipeline structure that a kind of degree of stability is high, initiating is little, the threaded pressure ring of the import and export two ends inner side of this structure is as a whole by pressure fixing support, reflector plate, mozzle, has overcome ultrasound wave fixed mount (comprising support or plate or line plate, reflector plate etc.) owing to expanding with heat and contract with cold, the complex environment such as immersion and fluid impact affects the shortcoming being subjected to displacement for a long time; This structure centre cavity place is provided with nonmetallic mozzle in measuring-signal transmission path, avoid the diffuse reflection in pipeline section inside in ultrasound signal transmission process, eliminate the interference that signal is propagated, mozzle internal diameter is less than pipeline section internal diameter simultaneously, while making fluid flow through mozzle, speed is accelerated, reduce initial-flow value, put forward high measurement sensitivity, and convection cell has the effect of current stabilization, rectification, ensure the degree of stability of fluid flow state under complex environment, make Measurement sensibility more reliable, it is more accurate to measure.
To achieve these goals, the technical solution of the utility model is as described below:
The ultrasonic water meter pipeline structure that a kind of degree of stability is high, initiating is little, contain ultrasonic tube section, ultrasonic transducer mounting hole (1), ultrasonic transducer mounting hole (2), ultrasound wave fixed mount (1), ultrasound wave fixed mount (2), it is characterized in that: the entery and delivery port inner side of ultrasonic tube section is respectively arranged with threaded pressure ring (1) and threaded pressure ring (2); Ultrasonic tube section center cavity place is provided with mozzle; Ultrasonic tube section arranged outside has mozzle pilot hole.
Further, described threaded pressure ring (1) and threaded pressure ring (2) are fixed by screw thread and ultrasonic tube section inwall respectively.
Further, described mozzle is made by nonmetal special substance, its external diameter is consistent with ultrasonic tube section internal diameter, can fix by mozzle pilot hole and set screw and ultrasonic tube section, also can fix fixed mount by threaded pressure ring, fixed mount can adopt column, sheet, triangular shape to gain in strength, and fixed mount was fixed in inner linking with mozzle of ultrasonic tube section, and mode all linked with one another and ultrasonic tube section are fixed.
The beneficial effects of the utility model are:
(1) threaded pressure ring that the utility model two-port inner side arranges can prevent that fixed mount is subjected to displacement, misplaces, thereby ensures long-term work repeatability, good stability, and in the time that fixed mount fouling need to be cleaned, threaded pressure ring and fixed mount all can conveniently take out;
(2) mozzle of the present utility model is fixed by mozzle pilot hole and set screw and ultrasonic tube section, or fixing fixed mount, fixed mount by threaded pressure ring is connected fixing mode and ultrasonic tube section and fixes ultrasonic tube section is inner with mozzle, ensure that mozzle can be because environmental change occurrence positions changes, for convenience detach, cleaning;
(3) mozzle of the present utility model adopts nonmetal special substance, can avoid the diffuse reflection in pipeline section inside in ultrasound signal transmission process, eliminate the interference that signal is propagated, increase amplitude and the sensitivity of ultrasonic signal, make ultrasound accuracy of measurement higher, stability is better;
(4) mozzle internal diameter of the present utility model is less than pipeline section internal diameter, and while making fluid flow through mozzle, speed is accelerated, and reduces initial-flow value, and convection cell has the effect of current stabilization, rectification, ensure the degree of stability of fluid flow state under complex environment, make Measurement sensibility more reliable, it is more accurate to measure.
brief description of the drawings
Fig. 1 is section of structure of the present utility model.
Fig. 2 is that ultrasonic signal is at the inner irreflexive communication effect figure of generation of conventional ultrasonic tube section.
To be ultrasonic signal be provided with the communication effect figure of the utility model inside configuration of mozzle to Fig. 3.
In Fig. 1, the 1st, threaded pressure ring (1), the 2nd, ultrasonic tube section, the 3rd, ultrasound wave fixed mount (1), the 4th, ultrasonic transducer mounting hole (1), the 5th, mozzle, the 6th, mozzle pilot hole, the 7th, ultrasound wave fixed mount (2), the 8th, ultrasonic transducer mounting hole (2), the 9th, threaded pressure ring (2).
In Fig. 2 and Fig. 3, solid line represents the normal reflection paths of ultrasonic signal, and dotted line represents the diffuse reflection path of ultrasonic signal.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the ultrasonic water meter pipeline structure that a kind of degree of stability is high, initiating is little, contain ultrasonic tube section 2, ultrasonic transducer mounting hole (1) 4, ultrasonic transducer mounting hole (2) 8, ultrasound wave fixed mount (1) 3, ultrasound wave fixed mount (2) 7, it is characterized in that: the entery and delivery port inner side of ultrasonic tube section 2 is respectively arranged with threaded pressure ring (1) 1 and threaded pressure ring (2) 9; Ultrasonic tube section 2 center cavity places are provided with mozzle 5; Ultrasonic tube section 2 arranged outside have mozzle pilot hole 6.
Described threaded pressure ring (1) 1 and threaded pressure ring (2) 9 are fixed by screw thread and ultrasonic tube section 2 inwalls respectively.
Described mozzle 5 is made by nonmetal special substance, its external diameter is consistent with ultrasonic tube section 2 internal diameters, can fix by mozzle pilot hole 6 and set screw and ultrasonic tube section 2, also can pass through threaded pressure ring (1) 1 and the fixing fixed mount (1) 3 of threaded pressure ring (2) 9 and fixed mount (2) 7, fixed mount (1) 3 and fixed mount (2) 7 and fix in inner linking with mozzle 5 of ultrasonic tube section 2, mode all linked with one another and ultrasonic tube section 2 are fixing.
As shown in Figure 2, very easily there is diffuse reflection in the metal section inside that does not add mozzle 5 in ultrasonic signal, the propagation of true measuring-signal is produced and disturbed, cause that ultrasonic measuring signal is mixed and disorderly, signal intensity reduces, the precision of ultrasonic signal measuring flow is reduced and even occur error count amount phenomenon.
As shown in Figure 3, in the pipeline section inside that is equipped with mozzle 5, because mozzle 5 adopts nonmetal special substance, the diffuse reflection phenomenon of ultrasonic signal is eliminated substantially, increased amplitude and the sensitivity of ultrasonic signal, made ultrasound accuracy of measurement higher, stability is better.
Assembling process of the present utility model and principle are as described below:
The ultrasonic water meter pipeline structure that a kind of degree of stability is high, initiating is little, mozzle 5 is mounted to ultrasonic tube section 2 center cavity places, fix with set screw, or be connected fixing in pipeline section inside with mozzle 5 by ultrasound wave structure-steel framing (1) and ultrasound wave structure-steel framing (2); Respectively ultrasonic transducer (1), ultrasonic transducer (2) are mounted to ultrasonic transducer mounting hole (1) 4, ultrasonic transducer mounting hole (2) 8, respectively ultrasound wave fixed mount (1) 3 and ultrasound wave fixed mount (2) 7 are positioned in ultrasonic tube section 2; Respectively threaded pressure ring (1) 1 and threaded pressure ring (2) 9 are screwed in to the entery and delivery port of ultrasonic tube section 2 and be tightened.The threaded pressure ring that the utility model two-port inner side arranges can prevent that fixed mount is subjected to displacement, misplaces, and in the time that fixed mount fouling need to be cleaned, threaded pressure ring and fixed mount all can conveniently take out; Mozzle is fixing all linked with one another, can not be subjected to displacement because of environmental change, its internal diameter is less than pipeline section internal diameter, has reduced initial-flow value, and convection cell has the effect of current stabilization, rectification, make Measurement sensibility more reliable, it is more accurate to measure, and also can avoid the diffuse reflection in pipeline section inside in ultrasound signal transmission process, eliminates the interference that signal is propagated, the amplitude and the sensitivity that increase ultrasonic signal, make ultrasound accuracy of measurement higher.
Claims (3)
1. the ultrasonic water meter pipeline structure that degree of stability is high, initiating is little, contain ultrasonic tube section, ultrasonic transducer mounting hole (1), ultrasonic transducer mounting hole (2), ultrasound wave fixed mount (1), ultrasound wave fixed mount (2), it is characterized in that: the entery and delivery port inner side of ultrasonic tube section is respectively arranged with threaded pressure ring (1) and threaded pressure ring (2); Ultrasonic tube section center cavity place is provided with mozzle; Ultrasonic tube section arranged outside has mozzle pilot hole.
2. the ultrasonic water meter pipeline structure that a kind of degree of stability according to claim 1 is high, initiating is little, is characterized in that: described threaded pressure ring (1) and threaded pressure ring (2) are fixed by screw thread and ultrasonic tube section inwall respectively.
3. the ultrasonic water meter pipeline structure that a kind of degree of stability according to claim 1 is high, initiating is little, it is characterized in that: described mozzle is made by nonmetal special substance, its external diameter is consistent with ultrasonic tube section internal diameter, can fix by mozzle pilot hole and set screw and ultrasonic tube section, also can fix fixed mount by threaded pressure ring, fixed mount can adopt column, sheet, triangular shape to gain in strength, fixed mount was fixed in inner linking with mozzle of ultrasonic tube section, and mode all linked with one another and ultrasonic tube section are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008443.0U CN203732108U (en) | 2014-01-07 | 2014-01-07 | Ultrasonic water meter pipeline structure with high stability and small initial motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008443.0U CN203732108U (en) | 2014-01-07 | 2014-01-07 | Ultrasonic water meter pipeline structure with high stability and small initial motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732108U true CN203732108U (en) | 2014-07-23 |
Family
ID=51202174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008443.0U Expired - Lifetime CN203732108U (en) | 2014-01-07 | 2014-01-07 | Ultrasonic water meter pipeline structure with high stability and small initial motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732108U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198003A (en) * | 2014-09-22 | 2014-12-10 | 北京昌民技术有限公司 | Ultrasonic flowmeter |
| CN104596602A (en) * | 2015-02-13 | 2015-05-06 | 广东奥迪威传感科技股份有限公司 | Ultrasonic measurement system and measurement method thereof |
| CN104697590A (en) * | 2015-03-17 | 2015-06-10 | 重庆市伟岸测器制造股份有限公司 | Ultrasound water meter |
| CN104931105A (en) * | 2015-04-02 | 2015-09-23 | 烟台五神仪表有限公司 | Integrated reflector for flow sensor of ultrasonic heat energy meter |
| CN105841763A (en) * | 2016-04-18 | 2016-08-10 | 余姚市普源仪表科技有限公司 | Signal reflection bracket on base meter of ultrasonic water meter |
-
2014
- 2014-01-07 CN CN201420008443.0U patent/CN203732108U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198003A (en) * | 2014-09-22 | 2014-12-10 | 北京昌民技术有限公司 | Ultrasonic flowmeter |
| CN104198003B (en) * | 2014-09-22 | 2017-04-26 | 北京昌民技术有限公司 | Ultrasonic flowmeter |
| CN104596602A (en) * | 2015-02-13 | 2015-05-06 | 广东奥迪威传感科技股份有限公司 | Ultrasonic measurement system and measurement method thereof |
| CN104697590A (en) * | 2015-03-17 | 2015-06-10 | 重庆市伟岸测器制造股份有限公司 | Ultrasound water meter |
| CN104931105A (en) * | 2015-04-02 | 2015-09-23 | 烟台五神仪表有限公司 | Integrated reflector for flow sensor of ultrasonic heat energy meter |
| CN105841763A (en) * | 2016-04-18 | 2016-08-10 | 余姚市普源仪表科技有限公司 | Signal reflection bracket on base meter of ultrasonic water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |