CN203848888U - Ultrasonic flowmeter probe with transmitting angle adjustable - Google Patents
Ultrasonic flowmeter probe with transmitting angle adjustable Download PDFInfo
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- CN203848888U CN203848888U CN201420230938.8U CN201420230938U CN203848888U CN 203848888 U CN203848888 U CN 203848888U CN 201420230938 U CN201420230938 U CN 201420230938U CN 203848888 U CN203848888 U CN 203848888U
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- ultrasonic flowmeter
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- 239000000523 sample Substances 0.000 title claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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Abstract
The utility model relates to an ultrasonic flowmeter probe with transmitting angle adjustable. The probe comprises a piezoelectric crystal plate, a first sound wedge, a second sound wedge, dovetail grooves, silica gel, a cable and an outer shell. The piezoelectric effect of piezoelectric materials is utilized, a proper transmitting circuit is used for adding electric energy to a piezoelectric element of a transmitting transducer, and the piezoelectric element is made to generate ultrasonic vibration. The first sound wedge and the second sound wedge are connected through a plurality of dovetail grooves on the same arc face, and the ultrasonic wave transmitting angle is adjusted by changing meshing modes of the dovetail grooves, so that ultrasonic waves are transmitted into fluid with a proper angle, a travel path of the ultrasonic waves in the measured fluid is changed, and the mounting distance of two probes is changed. The ultrasonic flowmeter probe is simple in structure and convenient to mount, and the portable ultrasonic flowmeter probe can be used in a more compact and narrower space and on a shorter pipeline.
Description
Technical field
The utility model belongs to fluid measurement technical field, is specifically related to the adjustable probe of ultrasonic flowmeter device of a kind of novel portable emission angle.
Background technology
Ultrasonic flow meter is to flow to the work of supersonic beam (or ultrasonic pulse) in order to measuring flow by test fluid.The angle that the piezoelectric chip of traditional ultrasonic probe and tube contacts face are is fixed, the angle theta that is acoustic beam and liquid flow direction is a definite value, like this propagation trajectories of acoustic beam in fluid fixed, two probes need to be arranged on corresponding position to ensure normal transmission and reception, and the mounting distance between them will reach measurement requirement.
In the time that traditional ultrasonic probe is measured, may run into that the part of the suitable installation probe of pipeline is shorter or space is less, the mounting distances cannot ensure two the normal work of probe time.
Utility model content
The technical problems to be solved in the utility model is to provide the adjustable probe of ultrasonic flowmeter of a kind of emission angle simple in structure, easy to install, it changes propagation trajectories and two mounting distances of popping one's head in while normally working of acoustic beam in fluid flexibly, to adapt to site environment complicated and changeable.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of emission angle is adjustable probe of ultrasonic flowmeter, its gordian technique is: it comprises shell, in described shell, be filled with silica gel, the piezoelectric chip that is provided with radiating circuit module in described shell and joins with it, one side of described shell is provided with first sound voussoir and the second sound voussoir of mutual interlock, and described first sound voussoir contacts with piezoelectric chip; Described radiating circuit module is connected with the cable being positioned on shell;
Described occlusion structure is specially: first sound voussoir is provided with the dovetail groove that multiple specifications are identical, and second sound voussoir on the other side is provided with the identical projection of multiple specifications matching with dovetail groove; Between first, second sound voussoir by dovetail groove, mutually interlock of projection.
The model of described radiating circuit module is the AD9223 type that ADI company produces.
This ultrasonic flow meter adopts time difference type measuring principle: a probe transmits through after tube wall, medium, opposite side tube wall, received by another probe, simultaneously, second probe transmits equally and received by first probe, owing to being subject to the impact of velocity of medium, the poor Δ t of the two life period, according to calculating the angle theta, acoustic beam that can draw flow velocity V and mistiming Δ t, acoustic beam and the liquid flow direction conversion relation between the parameters such as rectilinear propagation number of times M, the internal diameter of the pipeline D of liquid, and then can obtain flow value Q.
Sound wedge is divided into two parts: first sound wedge and second sound wedge, in the time making the sound wedge part of probe, circular arc joint face is made respectively to swallow-tailed " projection " and " groove " of multiple identical specifications, to between two sound wedges, be connected by some dovetail grooves on an arc surface, and then can be by changing oat tail groove structure interlock mode to adjust ultrasound wave emission angle, realize the variation of angle between piezoelectric chip and object contact face, thereby change flexibly the emission angle of ultrasonic signal, by changing the emission angle of ultrasonic signal, change its travel path in detected fluid, and then change the mounting distance between two probes, can on less space and shorter pipeline section, probe be installed like this.
The beneficial effect that adopts technique scheme to produce is:
The utility model is simple in structure, easy for installation, and portable type ultrasonic flowmeter probe can used on compacter more narrow space and shorter pipeline.Originally two sound voussoirs of novel setting can pass through to change interlock mode, and then change emission angle, change flexibly propagation trajectories and two mounting distances of popping one's head in while normally work of acoustic beam in fluid, better adapt to regard to site environment complicated and changeable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model uses schematic diagram;
Wherein, 1 first sound wedge, 2, surface of contact, 3, dovetail groove, 4, silica gel, 5, shell, 6, cable, 7, radiating circuit module, 8, piezoelectric chip, 9, second sound wedge, 10, adjust the angle of aft beam and liquid flow direction, 11, adjust the angle of front acoustic beam and liquid flow direction, 12, adjust after probe between distance, 13, adjust before probe between distance, 14, adjust before acoustic beam propagation trajectories in fluid, 15, adjust aft beam propagation trajectories in fluid, 16, projection.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to accompanying drawing 1 and accompanying drawing 2, the present embodiment comprises shell 5, in described shell 5, be filled with silica gel 4, the piezoelectric chip 8 that is provided with radiating circuit module 7 and joins with it in described shell 5, one side of described shell 5 is provided with first sound voussoir 1 and the second sound voussoir 9 of mutual interlock, and described first sound voussoir 1 contacts with piezoelectric chip 8; Described radiating circuit module 7 is connected with the cable 6 being positioned on shell 5; Described occlusion structure is specially: first sound voussoir 1 is provided with the dovetail groove 3 that multiple specifications are identical, and second sound voussoir 9 on the other side is provided with the identical projection 16 of multiple specifications matching with dovetail groove 3; Between first, second sound voussoir by dovetail groove 3, projection 16 mutual interlocks.First sound wedge 1 is by the second sound wedge 9 that is connected of some dovetail grooves 3 on an arc surface.The model of described radiating circuit module 7 is the AD9223 type that ADI company produces, and also can adopt the radiating circuit module of other models, meets request for utilization.Dotted line (first sound voussoir part) in Fig. 1 represents that first sound voussoir 1 turns over the schematic diagram of another location after certain angle, has changed the interlock mode between first sound voussoir 1, second sound voussoir 9, and then has changed emission angle.
The utility model utilizes the piezoelectric effect of piezoelectric, and the electric energy that adopts applicable radiating circuit 7 that cable 6 is provided is added on piezoelectric chip 8, makes it produce ultrasonic vibration, and ultrasound wave is injected in fluid and propagated at an angle by surface of contact 2.What in shell 5, wrap up is silica gel 4, and its object is absorb the ultrasound wave of piezoelectricity chip back surface radiation and be converted into heat energy, reduces the interference that back side radiation produces.
To pop one's head in while installing and measuring ducted fluid flow by " V " type mode, as seen from Figure 2, when the angle 11 of probe piezoelectric chip and object contact face, the angle of acoustic beam and liquid flow direction is θ
1time, the propagation trajectories of acoustic beam in fluid is that between 14, two probes, distance is 13.When adjusting the be connected mode of first sound wedge 1 with second sound wedge 9, the angle of piezoelectric chip and object contact face makes to pop one's head in, the angle that is acoustic beam and liquid flow direction becomes at 10 o'clock, and the propagation trajectories of acoustic beam in fluid is that between 15, two probes, distance is reduced to 12.This can use portable type ultrasonic flowmeter probe on compacter more narrow space and shorter pipeline.
In the time making the sound wedge part of probe, circular arc joint face is made respectively to swallow-tailed " projection " and " groove " of multiple identical specifications, will between two sound wedges, be connected by dovetail groove.By changing the oat tail groove structure interlock mode of the series of identical specification between first sound wedge and second sound wedge, realize the variation of angle between piezoelectric chip and object contact face, thereby change flexibly the emission angle of ultrasonic signal.By changing the emission angle of ultrasonic signal, change its travel path in detected fluid, and then change the mounting distance between two probes, can on less space and shorter pipeline section, probe be installed like this.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. the adjustable probe of ultrasonic flowmeter of emission angle, it is characterized in that: it comprises shell (5), in described shell (5), be filled with silica gel (4), the piezoelectric chip (8) that is provided with radiating circuit module (7) in described shell (5) and join with it, one side of described shell (5) is provided with first sound voussoir (1) and the second sound voussoir (9) of mutual interlock, and described first sound voussoir (1) contacts with piezoelectric chip (8); Described radiating circuit module (7) is connected with the cable (6) being positioned on shell (5);
Described occlusion structure is specially: first sound voussoir (1) is provided with the dovetail groove that multiple specifications are identical (3), and second sound voussoir on the other side (9) is provided with the identical projection (16) of multiple specifications matching with dovetail groove (3); Between first, second sound voussoir by dovetail groove (3), mutually interlock of projection (16).
2. the adjustable probe of ultrasonic flowmeter of emission angle according to claim 1, is characterized in that: the model of described radiating circuit module (7) is the AD9223 type that ADI company produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230938.8U CN203848888U (en) | 2014-05-07 | 2014-05-07 | Ultrasonic flowmeter probe with transmitting angle adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230938.8U CN203848888U (en) | 2014-05-07 | 2014-05-07 | Ultrasonic flowmeter probe with transmitting angle adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848888U true CN203848888U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420230938.8U Expired - Fee Related CN203848888U (en) | 2014-05-07 | 2014-05-07 | Ultrasonic flowmeter probe with transmitting angle adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848888U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064552A (en) * | 2017-04-10 | 2017-08-18 | 中国科学院合肥物质科学研究院 | A kind of ultrasonic Doppler speed measuring device |
| CN107121168A (en) * | 2017-06-05 | 2017-09-01 | 深圳市建恒测控股份有限公司 | A kind of probe of ultrasonic flowmeter and the ultrasonic flowmeter comprising the probe |
| CN107796879A (en) * | 2017-11-29 | 2018-03-13 | 辽宁红阳检测有限公司 | A kind of multi-angle circumferentially detects Ultrasonic wave angle probe |
| EP3413019A2 (en) | 2017-06-05 | 2018-12-12 | Cong Xiao | Compact ultrasonic flowmeter with adjustment for various flow diameters |
| WO2018223264A1 (en) * | 2017-06-05 | 2018-12-13 | 深圳市建恒测控股份有限公司 | Probe of ultrasonic flowmeter and ultrasonic flowmeter including probe |
| CN110657848A (en) * | 2019-10-18 | 2020-01-07 | 卢添胜 | Ultrasonic flow meter with self-adjusting fluid section |
| US10801869B2 (en) | 2017-05-27 | 2020-10-13 | Ordos Yuansheng Optoelectronics Co., Ltd. | Ultrasonic flowrate measurement device having an attachment portion with receivers for determining size of a pipe |
| CN112729432A (en) * | 2021-02-04 | 2021-04-30 | 大连博克斯流体科技有限公司 | Clamping type double-track water meter |
-
2014
- 2014-05-07 CN CN201420230938.8U patent/CN203848888U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064552A (en) * | 2017-04-10 | 2017-08-18 | 中国科学院合肥物质科学研究院 | A kind of ultrasonic Doppler speed measuring device |
| US10801869B2 (en) | 2017-05-27 | 2020-10-13 | Ordos Yuansheng Optoelectronics Co., Ltd. | Ultrasonic flowrate measurement device having an attachment portion with receivers for determining size of a pipe |
| CN107121168A (en) * | 2017-06-05 | 2017-09-01 | 深圳市建恒测控股份有限公司 | A kind of probe of ultrasonic flowmeter and the ultrasonic flowmeter comprising the probe |
| EP3413019A2 (en) | 2017-06-05 | 2018-12-12 | Cong Xiao | Compact ultrasonic flowmeter with adjustment for various flow diameters |
| WO2018223264A1 (en) * | 2017-06-05 | 2018-12-13 | 深圳市建恒测控股份有限公司 | Probe of ultrasonic flowmeter and ultrasonic flowmeter including probe |
| EP3413019A3 (en) * | 2017-06-05 | 2019-02-06 | Cong Xiao | Compact ultrasonic flowmeter with adjustment for various flow diameters |
| CN107121168B (en) * | 2017-06-05 | 2019-03-12 | 深圳市建恒测控股份有限公司 | A kind of probe of ultrasonic flowmeter and ultrasonic flowmeter comprising the probe |
| US10551231B2 (en) | 2017-06-05 | 2020-02-04 | Cong Xiao | Compact ultrasonic flowmeter with adjustment for various flow diameters |
| CN107796879A (en) * | 2017-11-29 | 2018-03-13 | 辽宁红阳检测有限公司 | A kind of multi-angle circumferentially detects Ultrasonic wave angle probe |
| CN110657848A (en) * | 2019-10-18 | 2020-01-07 | 卢添胜 | Ultrasonic flow meter with self-adjusting fluid section |
| CN110657848B (en) * | 2019-10-18 | 2020-10-09 | 恩乐曼仪表(徐州)有限公司 | Ultrasonic flow meter with self-adjusting fluid section |
| CN112729432A (en) * | 2021-02-04 | 2021-04-30 | 大连博克斯流体科技有限公司 | Clamping type double-track water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20160507 |