CN100578162C - Device for measuring ultrasonic wave flow - Google Patents
Device for measuring ultrasonic wave flow Download PDFInfo
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- CN100578162C CN100578162C CN200810028222A CN200810028222A CN100578162C CN 100578162 C CN100578162 C CN 100578162C CN 200810028222 A CN200810028222 A CN 200810028222A CN 200810028222 A CN200810028222 A CN 200810028222A CN 100578162 C CN100578162 C CN 100578162C
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- ultrasonic wave
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- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000002463 transducing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 230000002411 adverse Effects 0.000 description 5
- 230000008021 deposition Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses an ultrasonic flow measuring device, comprising a flow shell connected with the flow pipe, and two matched ultrasonic energy exchanging guiding components, the ultrasonic energy exchanging guiding component is inserted in the flow shell via installation hole disposed on the flow shell, the ultrasonic energy exchanging guiding component comprises an ultrasonic energy exchanger, a guiding mirror and a support, the support is inserted in the installation hole, an inserting socket is disposed on upper end of the support, the ultrasonic energy exchanger is inserted in the socket, the guiding mirror is embedded in opening on lower end of the support. The ultrasonic flow measuring device according to the invention has convenience for manufacture and assembly with high measuring accuracy.
Description
Technical field
The present invention relates to the flow measurement field, relate in particular to a kind of device for measuring ultrasonic wave flow.
Background technology
Application number is 00207712.4, name is called calorimeter and discloses a kind of device that ultrasonic transducer is inserted into measurement flow in the pipeline with the utility model patent of ultrasonic flow sensor, but this measurement mechanism parts are many, install and assemble all more complicated, ultrasonic transducer need be installed to the pipeline the inside in addition, bad installation, and ultrasonic transducer also is subjected to the influence of environment for use variation easily.
Application number is 01207603.1, the utility model patent that name is called the ultrasonic flow rate survey sensor discloses a kind of ultrasonic flow rate survey sensor, wherein mention two reflecting bodys that become miter angle with pipeline that be complementary are set in pipeline, reflecting body and ultrasonic transducer branch are arranged, and this way exists operability not strong in actual applications.
Summary of the invention
The invention provides a kind of device for measuring ultrasonic wave flow, it is simple in structure, is convenient to install and assembling, and can operates strong.
Technical scheme of the present invention is: a kind of device for measuring ultrasonic wave flow, comprise the flow housing, be connected with flow conduit, also comprise two ultrasonic wave transducer guidance sets that are complementary, described ultrasonic wave transducer guidance set is inserted in the described flow housing by the mounting hole that is provided with on the described flow housing; Wherein said ultrasonic wave transducer guidance set comprises ultrasonic transducer, guidance mirrors and support, described support is inserted in the described mounting hole, upper end at described support is provided with insertion groove, described ultrasonic transducer is inserted in this insertion groove, described guidance mirrors is embedded in the opening part of described support lower end, on described support, the position corresponding with described guidance mirrors be provided with jet orifice.
Device for measuring ultrasonic wave flow of the present invention is simple in structure, and ultrasonic transducer is fixed on the upper end of support, and the ultrasonic transducer ratio is easier to install like this, and does not also allow to be subject to the interior environmental influence of flow housing; Top and bottom and described support that described ultrasonic transducer and described guidance mirrors are fixedly mounted on support respectively are mounted to integrative-structure, and be all more convenient, workable in actual installation and operation.
Description of drawings
Fig. 1 is the sectional structure chart of device for measuring ultrasonic wave flow embodiment of the present invention ();
Fig. 2 is the structural drawing () of ultrasonic wave transducer guidance set among the embodiment ();
Fig. 3 is the structural drawing (two) of ultrasonic wave transducer guidance set among the embodiment ();
Fig. 4 is the cut-open view of ultrasonic wave transducer guidance set among the embodiment ();
Fig. 5 is the sectional structure chart of device for measuring ultrasonic wave flow embodiment of the present invention (two);
Fig. 6 is the side view of device for measuring ultrasonic wave flow among the embodiment (two);
Fig. 7 is the structural drawing () of compact heap on the middle ultrasonic wave transducer guidance set band of embodiment (two);
Fig. 8 is the structural drawing (two) of compact heap on the middle ultrasonic wave transducer guidance set band of embodiment (two);
Fig. 9 is that the middle ultrasonic wave transducer guidance set of embodiment (two) is not with the structural drawing () of going up compact heap;
Figure 10 is that the middle ultrasonic wave transducer guidance set of embodiment (two) is not with the structural drawing (two) of going up compact heap;
Figure 11 is the cut-open view of ultrasonic wave transducer guidance set among the embodiment (two).
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done a detailed elaboration.
Embodiment one
To shown in Figure 4, the device for measuring ultrasonic wave flow in the present embodiment comprises flow housing 1 and two ultrasonic wave transducer guidance sets 3 that are complementary as Fig. 1, and wherein flow housing 1 is connected with the flow conduit (not shown), and its connected mode is to be threaded.Described ultrasonic wave transducer guidance set 3 is inserted in the described flow housing 1 by the mounting hole that is provided with on the described flow housing 1, one of them ultrasonic wave transducer guidance set 3 inserts the upstream that is installed to flow housing 1, another is installed in the downstream of flow housing 1, and this ultrasonic wave transducer guidance set 3 is responsible for hyperacoustic emission, reception and guiding.
Wherein said ultrasonic wave transducer guidance set 3 comprises ultrasonic transducer 32, guidance mirrors 33 and support 31, described support 31 is inserted in the mounting hole that is provided with on the described flow housing 1, be provided with insertion groove 8 in the upper end of described support 31, described ultrasonic transducer 32 is inserted in this insertion groove 8, described guidance mirrors 33 is embedded in the opening part of described support 31 lower ends, and this guidance mirrors 31 becomes miter angle with surface level, can between two ultrasonic transducers, transmit and receive after making ultrasound wave by the emission of the guidance mirrors of two ultrasonic wave transducer guidance sets, on described support 31, the position corresponding with guidance mirrors 33 is provided with jet orifice 6, ultrasonic signal is crossed this jet orifice 6 and can be transmitted and received between two ultrasonic transducers through the reflection of guidance mirrors 33, fluid media (medium) can flow through this jet orifice 6 by higher flow velocity in addition, and guidance mirrors 33 surfaces are washed away, can be difficult for forming the deposition of suspended particle so that guidance mirrors 33 surfaces keep clean.
In order to guarantee the steadiness of described ultrasonic wave transducer guidance set 3, also be provided with compact heap 4 in the upper end of described mounting hole, described ultrasonic wave transducer guidance set 3 is fixed on the described flow housing 1.In order to guarantee the stationarity of ultrasonic transducer 32 and guidance mirrors 33, described ultrasonic transducer 32 is also fixed welding by last friction top 34 or is bonded on the described insertion groove 8, and described guidance mirrors 33 is fixed on the lower ending opening place of described support 31 by following friction top 35.
In the present embodiment, measurement mechanism of the present invention also comprises measuring tube 2, be installed in the inwall of flow housing 1, between two ultrasonic wave transducer guidance sets, it can limit the maximum flow of the measurement mechanism of the present invention of flowing through, by changing the measuring tube 2 of different size, can make measurement mechanism of the present invention adapt to different flow measurement demands.For example, nominal diameter is the device for measuring ultrasonic wave flow of 20mm, and can dispose flow commonly used is 0.6m
3/ h, 1.5m
3/ h, 2.5m
3The measuring tube of plurality of specifications such as/h.
Between described mounting hole and the described ultrasonic wave transducer guidance set 3 and between the inwall of described measuring tube 2 and described flow housing 1 the O-ring seal (not shown) being installed also, can improve the leakproofness and the accuracy of measurement mechanism of the present invention.
For guidance mirrors 33 surfaces are kept clean, be difficult for forming the deposition of suspended particle, described ultrasonic wave transducer guidance set 3 can horizontal direction be placed when installing, the surface that is described guidance mirrors 33 is vertical with surface level, suspended particle in the fluid media (medium) is difficult to equally at the guidance mirrors surface deposition like this, horizontal direction is placed described ultrasonic wave transducer guidance set and is also helped measurement mechanism of the present invention when measuring fluid flow simultaneously, and the bubble in the elimination liquid is to the harmful effect of ultrasonic signal.
On described support, also be provided with tap hole 5, the effect of shunting can be convection cell played in addition, the pressure influence of fluid can also be reduced measurement mechanism of the present invention with the corresponding position of described jet orifice.
Measurement mechanism among this embodiment is when work, and the alternation of two ultrasonic wave transducer guidance sets is transmitting and receiving state.
When the ultrasonic wave transducer guidance set that is installed in flow housing upstream was in emission state, the ultrasonic wave transducer guidance set that is installed in flow housing downstream was in accepting state.Ultrasonic transducer in the ultrasonic wave transducer guidance set of upstream sends ultrasonic signal also through after the 90 degree reflection guiding of the guidance mirrors in this assembly, by fluid media (medium) along fluid moving phase with direction, propagate into the ultrasonic wave transducer guidance set in flow housing downstream, after 90 degree emissions are led once more by the guidance mirrors in the ultrasonic wave transducer guidance set of flow housing downstream, there is the ultrasonic transducer in the ultrasonic wave transducer guidance set of downstream to receive.Ultrasound wave is transmitted into downstream ultrasonic wave transducer guidance set by the ultrasonic wave transducer guidance set of upstream, and to receive the needed time be T+.
When the ultrasonic wave transducer guidance set that is installed in flow housing downstream was in emission state, the ultrasonic wave transducer guidance set that is installed in flow housing upstream was in accepting state.Ultrasonic transducer in the ultrasonic wave transducer guidance set of downstream sends ultrasonic signal also through after the 90 degree guiding of the guidance mirrors in this assembly, by the direction of fluid media (medium) along the fluid flowing opposite, propagate into another ultrasonic wave transducer guidance set of flow housing upstream, and, receive ultrasonic signal by the ultrasonic transducer in the ultrasonic wave transducer guidance set of flow housing upstream through after the 90 degree guiding once more of the guidance mirrors in this assembly.Ultrasound wave by the ultrasonic wave transducer guidance set in downstream be transmitted into upstream ultrasonic wave transducer guidance set receive the needed time be called the adverse current time T-.
Direction is certain because the fluid media (medium) of flow enclosure interior flows, above-mentioned following current time T+and adverse current time T-all the embodied influence of velocity of medium, the following current time T+with adverse current time T-the subtract each other flow velocity that the mistiming Δ T that obtains has just reflected the fluid media (medium) that flows through device for measuring ultrasonic wave flow.The pairing following current time T of different velocity of medium+with adverse current time T-be should be not the same, the mistiming, Δ T was also inequality.Like this according to this following current time T+and adverse current time T-just can measure the flow that flows through device for measuring ultrasonic wave flow of the present invention.
Embodiment two
Arrive shown in Figure 11 as Fig. 5, device for measuring ultrasonic wave flow among this embodiment also comprises flow housing 1 and two ultrasonic wave transducer guidance sets 3 that are complementary, wherein flow housing 1 is connected with the flow conduit (not shown), but its connected mode is a flange form to be connected, shown in the side view of Fig. 6, be provided with screw hole 7 in the side of flow housing 1, described flow housing 1 promptly is connected with screw with described flow conduit by this screw hole 7, also O-ring seal can be installed between described flow housing 1 and the flow conduit, can improve leakproofness like this.All the other structures are identical with embodiment one, do not give unnecessary details at this.
Measurement mechanism among this embodiment is when work, and the alternation of two ultrasonic wave transducer guidance sets is transmitting and receiving state.Its measuring method is identical with embodiment one, does not give unnecessary details at this.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (10)
1, a kind of device for measuring ultrasonic wave flow, comprise the flow housing, be connected with flow conduit, it is characterized in that: also comprise two ultrasonic wave transducer guidance sets that are complementary, described ultrasonic wave transducer guidance set is inserted in the described flow housing by the mounting hole that is provided with on the described flow housing;
Described ultrasonic wave transducer guidance set comprises ultrasonic transducer, guidance mirrors and support, described support is inserted in the described mounting hole, upper end at described support is provided with insertion groove, described ultrasonic transducer is inserted in this insertion groove, described guidance mirrors is embedded in the opening part of described support lower end, on described support, the position corresponding with described guidance mirrors be provided with jet orifice.
2, device for measuring ultrasonic wave flow according to claim 1 is characterized in that: also comprise compact heap, be arranged on described mounting hole above, described ultrasonic wave transducer guidance set is fixed on the described flow housing.
3, device for measuring ultrasonic wave flow according to claim 2, it is characterized in that: also comprise friction top and following friction top, the described friction top of going up is fixed on described ultrasonic transducer in the described insertion groove, and described friction top down is fixed on described guidance mirrors the opening part of described support lower end.
4, according to the described device for measuring ultrasonic wave flow of the arbitrary claim of claim 1 to 3, it is characterized in that: also comprise measuring tube, be arranged on the inwall of described flow housing, between two ultrasonic wave transducer guidance sets.
5, device for measuring ultrasonic wave flow according to claim 4 is characterized in that: described ultrasonic wave transducer guidance set horizontal direction is placed, and described guidance mirrors surface is vertical with surface level.
6, according to the described device for measuring ultrasonic wave flow of the arbitrary claim of claim 1 to 3, it is characterized in that: on described support, the position corresponding with described jet orifice be provided with tap hole.
7, device for measuring ultrasonic wave flow according to claim 4 is characterized in that: on described support, the position corresponding with described jet orifice be provided with tap hole.
8, according to the described device for measuring ultrasonic wave flow of the arbitrary claim of claim 1 to 3, it is characterized in that: also comprise O-ring seal, be installed between described transducing guidance set and the described mounting hole.
9, device for measuring ultrasonic wave flow according to claim 4 is characterized in that: also comprise O-ring seal, be installed between described measuring tube and the described flow inner walls.
10, according to the described device for measuring ultrasonic wave flow of the arbitrary claim of claim 1 to 3, it is characterized in that: described flow housing is connected with described flow conduit screw thread or flange form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028222A CN100578162C (en) | 2008-05-22 | 2008-05-22 | Device for measuring ultrasonic wave flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028222A CN100578162C (en) | 2008-05-22 | 2008-05-22 | Device for measuring ultrasonic wave flow |
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| Publication Number | Publication Date |
|---|---|
| CN101281049A CN101281049A (en) | 2008-10-08 |
| CN100578162C true CN100578162C (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810028222A Active CN100578162C (en) | 2008-05-22 | 2008-05-22 | Device for measuring ultrasonic wave flow |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769801B (en) * | 2010-01-19 | 2012-01-04 | 蒋韵坚 | Flow sensor of ultrasonic heat meter |
| DK177040B1 (en) * | 2010-04-12 | 2011-02-28 | Miitors Aps | Ultrasonic consumer meter with locking mechanism |
| CN101793537B (en) * | 2010-04-29 | 2011-08-10 | 唐山汇中仪表股份有限公司 | Sensor for embedded ultrasonic flowmeter and installation method thereof on pipeline |
| CN102087131A (en) * | 2010-12-27 | 2011-06-08 | 吉林市宏远仪表有限责任公司 | Cleanable ultrasonic heat meter flow tube |
| CN102637046A (en) * | 2012-04-23 | 2012-08-15 | 江苏迈拓智能仪表有限公司 | Ultrasound metering and flow control system |
| CN102706399B (en) * | 2012-06-13 | 2018-05-22 | 广州柏诚智能科技有限公司 | Ultrasonic flowmeter and ultrasonic flow rate measuring method |
| CN103940480B (en) * | 2014-04-10 | 2018-05-01 | 重庆市伟岸测器制造股份有限公司 | A kind of water meter |
| CN105300462B (en) * | 2015-10-30 | 2018-12-21 | 北京控制工程研究所 | Ultrasonic transducer mounting structure and ultrasonic flowmeter |
| JP6747994B2 (en) * | 2017-01-26 | 2020-08-26 | 株式会社キーエンス | Ultrasonic flow sensor and mounting method thereof |
| CN107179106A (en) * | 2017-07-12 | 2017-09-19 | 成都声立德克技术有限公司 | Plug-in type ultrasonic flowmeter, Flow Measuring System and method |
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2008
- 2008-05-22 CN CN200810028222A patent/CN100578162C/en active Active
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| CN101281049A (en) | 2008-10-08 |
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Address after: 510663 Guangzhou City, Guangdong province high tech Industrial Development Zone, Science City Road, No. 182, innovation building, building C1, room tenth, unit 1002 Patentee after: Basic Intelligence Technology Co., Ltd. Address before: 510663 Guangzhou City, Guangzhou province science and Technology Industrial Park, science and technology innovation Avenue, building C3, area eighth, unit 182, level 803, Patentee before: Basic Intelligence Technology Co., Ltd. |
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