CN101672671A - Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters - Google Patents
Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters Download PDFInfo
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- CN101672671A CN101672671A CN200910035938A CN200910035938A CN101672671A CN 101672671 A CN101672671 A CN 101672671A CN 200910035938 A CN200910035938 A CN 200910035938A CN 200910035938 A CN200910035938 A CN 200910035938A CN 101672671 A CN101672671 A CN 101672671A
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Abstract
The invention relates to a Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters, which comprises a pipe section inlet, a pipe section outlet and a pipe section passage, wherein the pipe section passage is in a Z shape; a linear section communicated with the pipe section inlet and the pipe section outlet is arranged in the pipe section passage; a tubular linear subsection is arranged in the linear section; and the outer wall of the linear subsection and the inner wall of the linear section form an annular cavity, so that a liquid passage in the pipe section rotates reversely. Energy transducers at both ends of the linear section are matched with each other through the linear section, so that the liquid can flow without hindrance, and the flow state is stable, thereby enhancing the measurement precision; the energy transducers can be taken out at any time, thereby being convenient to clean; and the direction of the liquid passage is changed so as to further reduce the pressure loss and the processing difficulty.
Description
Affiliated technical field
The invention belongs to acoustics, field of sensing technologies, particularly utilize ultrasonic detecting technology, the ultrasonic flow rate of fluid flow or heat, calorimeter transducer are applicable to the metering of tubule footpath inner fluid flow, heat with Z type pipeline section in the metering pipeline.Be specially adapted to residents, little power consumption ultrasonic flow rate, calorimeter.
Background technology
At present, domestic existing pipeline ultrasonic flow rate, the transducer of calorimeter, it measures the used pipeline section of passage generally by the pipeline section wall, the sensor mounting hole constitutes, the sensor mounting hole is arranged on the pipeline section wall, with pipeline section endoporus UNICOM, the pipeline section structure mostly is straight length, for example, in use there is following problem in early stage pipeline: at first, sensor that this kind structure transducer is used and assembly thereof take too much space in the pipeline section, have limited the flow of liquid, can't satisfy the traffic requirement of regulation, secondly, liquid is subjected to more obstruction when flowing in pipeline section, the fluidised form fluctuation is bigger, and ultrasound wave needs the reflecting surface in the pipeline section repeatedly to reflect, energy loss is bigger, directly influence measuring accuracy, particularly evident to the precision influence of little caliber, in addition, inner sensor is not quick detachable, and scale problems is difficult to solve; The п type in later stage and u type pipeline section, it is 4 times that current are changed direction, and the pressure loss is bigger, and difficulty of processing strengthens.
Summary of the invention
The object of the invention provides a kind of ultrasonic flow rate, calorimeter transducer Z type pipeline section, to increase space and fluid flow in the pipeline section, not interrupted during liquid flow, flow status is stable, has improved measuring accuracy, and transducer can take out at any time, it is convenient to clean, water (flow) direction adopts the multi-angle conversion, further reduces the pressure loss, reduces difficulty of processing.
Technical scheme of the present invention is: ultrasonic flow rate, calorimeter transducer are the Z type with the pipe internal channel of Z type pipeline section, are provided with one section beeline channel in pipeline section, even fluid passage is through the break-in of opposite sense of rotation in the pipeline section.Be provided with mounting hole on the pipeline section wall at beeline channel two ends in Z type pipeline section, be provided with transducer in the mounting hole, the transducer at two ends is by the corresponding mutually coupling of rectilinear end.
A kind of ultrasonic flow rate, calorimeter transducer Z type pipeline section, comprise pipeline section inlet, pipeline section outlet and pipeline section passage, the pipeline section passage of pipeline section is the Z type, be provided with one section straight-line segment that is communicated with pipeline section inlet and pipeline section outlet in the pipeline section passage, be provided with the sub-straight-line segment of tubulose in the straight-line segment, form toroidal cavity between sub-straight-line segment outer wall and the straight-line segment inwall, make the interior fluid passage of pipeline section pass through the break-in of opposite sense of rotation.
Be respectively equipped with mounting hole on the pipeline section wall at described straight-line segment two ends, be respectively equipped with transducer in the mounting hole, transducer is by straight-line segment and/or the corresponding mutually coupling of sub-straight-line segment.
Described straight-line segment enters the mouth into the angle that 10 degree-90 are spent with pipeline section.
Described straight-line segment exports into the angle that 10 degree-90 are spent with pipeline section.
Described pipeline section inlet and/or pipeline section exit tube wall are provided with thermometer hole, are convenient to install temperature probe.
Angle is 0 degree-90 degree between described sub-straight-line segment and straight-line segment.
Described sub-straight-line segment is straight tube, bend pipe, waveform pipe, spindle pipe or erose body
Described sub-straight-line segment is provided with groove and/or hole.
Described sub-straight-line segment outside is provided with annular projection body or muscle.
Described sub-straight-line segment and straight-line segment are that integral body or sub-straight-line segment are absolute construction.
Adopt the present invention, the flowing through channel of fluid to be measured is: liquid is flowed into by the pipeline section inlet earlier, through entering the straight-line segment in the pipeline section body after the water inlet break-in, again through being flowed out by the pipeline section outlet after the water delivering orifice break-in.Transducer is arranged on that to take in the pipeline section space on the pipeline section wall at straight section of channel two ends less, the fluid flow size is guaranteed, when detecting flow, the transducer that is installed in pipeline section body straight-line segment one end sends ultrasonic signal, the transducer that is installed in the straight-line segment other end receives signal, pass the transducers transmit ultrasonic waves signal by this again, other end transducer receives, and converter calculates fluid flow according to the ultrasonic signal that obtains.
The invention has the beneficial effects as follows:
Fluid flow is stable in the Z type structure pipeline section of the present invention, and signal fluctuation is little, thereby has improved measuring accuracy.In use for some time, transducer cleans if scale formation can be taken out transducer easily from the two ends, the left and right sides of pipeline section body, and Z type structure pipeline section has solved the not problem of easy cleaning of transducer fouling.
Be provided with sub-straight-line segment in the straight-line segment of Z type structure pipeline section of the present invention, form toroidal cavity between sub-straight-line segment outer wall and the straight-line segment inwall, the annular projection body of sub-straight-line segment or muscle are further separated the stream of the liquid in straight-line segment cavity, two cavitys that formation is interconnected simultaneously, form toroidal cavity between sub-straight-line segment outer wall and the straight-line segment inwall, these cavitys can guide and change liquid flow path direction and flow velocity, be beneficial to and form tiny eddy flow, further strengthen liquid stream stability, improve measuring accuracy.
The present invention has rational in infrastructure, increase the fluid to be measured flow, improve measuring accuracy, clean characteristics such as convenient, overcome the shortcoming of present technology, adopt Z type structure pipeline section, improved measuring accuracy, make things convenient for sensor to clean, easy to processly can be widely used in ultrasonic flow rate, calorimetric transducer.
Description of drawings
Fig. 1 is the sectional structure synoptic diagram of the embodiment of the invention.
Among the figure: 1, pipeline section inlet, 2, the pipeline section outlet, 3, transducer, 4, transducer, 5, straight-line segment, 6, thermometer hole, 7, water inlet, 8, water delivering orifice, 9, sub-straight-line segment.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
A kind of ultrasonic flow rate, calorimeter transducer Z type pipeline section, comprise pipeline section inlet 1, pipeline section outlet 2 and pipeline section passage, the pipeline section passage of pipeline section is the Z type, be provided with in the pipeline section passage one section with pipeline section inlet 1 and pipeline section outlet 2 straight-line segments that are communicated with 5, be provided with the sub-straight-line segment 9 of tubulose in the straight-line segment 5, form toroidal cavity between sub-straight-line segment 9 outer walls and straight-line segment 5 inwalls, make the interior fluid passage of pipeline section pass through the break-in of opposite sense of rotation.Leave certain space between sub-straight-line segment 9 two ends and the transducer 3,4, be convenient to the liquid rheology to.
Be respectively equipped with mounting hole on the pipeline section wall at straight-line segment 5 two ends, be respectively equipped with transducer 3,4 in the mounting hole, transducer 3,4 is by straight-line segment 5 and/or the corresponding mutually coupling of sub-straight-line segment 9.
The angle that 1 one-tenth 10 degree of straight-line segment 5 and pipeline section inlet-90 is spent is 45 degree among the embodiment.
Ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that the angle that 2 one-tenth 10 degree of described straight-line segment 5 and pipeline section outlet-90 are spent with Z type pipeline section, are 45 degree among the embodiment.
Pipeline section inlet 1 and/or pipeline section export 2 place's tube walls and are provided with thermometer hole 6, are convenient to install temperature probe.
5 angles of sub-straight-line segment 9 and straight-line segment are 0 degree-90 degree, and embodiment neutron straight-line segment 9 be arranged in parallel with straight-line segment 5, and 5 angles of promptly sub-straight-line segment 9 and straight-line segment are 0 degree.
Sub-straight-line segment 9 is straight tube, bend pipe, waveform pipe, spindle pipe or erose body, and the sub-straight-line segment 9 among the embodiment is the body of both ends open.
Sub-straight-line segment 9 is provided with groove and/or hole, and the effect in this groove and hole is the water conservancy diversion exhaust, and bootable liquid stream flows to and flow velocity, helps the break-in of the opposite sense of rotation of fluid passage process in the pipeline section.Simultaneously, the bubble of generation can be discharged under the effect in groove and/or hole smoothly.
Sub-straight-line segment 9 outsides are provided with annular projection body or muscle, and this annular projection body or muscle can be close to straight-line segment 5 inwalls, and pass through screw retention.Annular projection body or muscle are further separated the stream of the liquid in the straight-line segment 5 cavity, two cavitys that formation is interconnected, simultaneously, form toroidal cavity between sub-straight-line segment 9 outer walls and straight-line segment 5 inwalls, these cavitys can guide and change liquid flow path direction and flow velocity, be beneficial to and form tiny eddy flow, further strengthen liquid stream stability, improve measuring accuracy.
Sub-straight-line segment 9 is that a whole or sub-straight-line segment 9 is absolute construction with straight-line segment 5.
Fluid passage is through the break-in of opposite sense of rotation in the pipeline section.Adopt the present invention, the flowing through channel of fluid to be measured is: liquid is flowed into by pipeline section ingress interface 1 earlier, enters the straight-line segment 5 in the pipeline section body after 7 break-ins of process water inlet,
Again through flowing out by pipeline section discharge coupling 2 after water delivering orifice 8 break-ins.Transducer 3,4 is arranged on the pipeline section wall at straight-line segment 5 passage two ends, it is less to take the interior space of pipeline section, the fluid flow size is guaranteed, when detecting flow, the transducer 3 that is installed in pipeline section body straight-line segment 5 one ends sends ultrasonic signal, and the transducer 4 that is installed in straight-line segment 5 other ends receives signal, and transducer 4 is launched ultrasonic signal again, other end transducer 3 receives signal again, and converter calculates fluid flow according to the ultrasonic signal that obtains.Fluid flow is stable in the Z type structure pipeline section, and signal fluctuation is little, thereby has improved measuring accuracy.
Claims (10)
1, a kind of ultrasonic flow rate, calorimeter transducer Z type pipeline section, comprise pipeline section inlet (1), pipeline section outlet (2) and pipeline section passage, the pipeline section passage that it is characterized in that pipeline section is the Z type, be provided with one section straight-line segment (5) that is communicated with pipeline section inlet (1) and pipeline section outlet (2) in the pipeline section passage, be provided with the sub-straight-line segment (9) of tubulose in the straight-line segment (5), make the interior fluid passage of pipeline section pass through the break-in of opposite sense of rotation.
2, ultrasonic flow rate according to claim 1, calorimeter transducer Z type pipeline section, it is characterized in that being respectively equipped with mounting hole on the pipeline section wall at described straight-line segment (5) two ends, be respectively equipped with transducer (3 in the mounting hole, 4), transducer (3,4) is by straight-line segment (5) and/or the corresponding mutually coupling of sub-straight-line segment (9).
3, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described straight-line segment (5) becomes the angle of 10 degree-90 degree with pipeline section inlet (1).
4, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described straight-line segment (5) becomes the angle of 10 degree-90 degree with pipeline section outlet (2).
5, ultrasonic flow rate according to claim 1, calorimeter transducer be with Z type pipeline section, it is characterized in that described pipeline section inlet (1) and/or pipeline section outlet (2) locates tube wall and be provided with thermometer hole (6).
6, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section angle is 0 degree-90 degree between described sub-straight-line segment (9) and straight-line segment (5).
7, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described sub-straight-line segment (9) is straight tube, bend pipe, waveform pipe, spindle pipe or erose body
8, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described sub-straight-line segment (9) is provided with groove and/or hole.
9, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described sub-straight-line segment (9) outside is provided with annular projection body or muscle.
10, ultrasonic flow rate according to claim 1, calorimeter transducer is characterized in that with Z type pipeline section described sub-straight-line segment (9) and straight-line segment (5) are that integral body or sub-straight-line segment (9) are absolute construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910035938A CN101672671A (en) | 2009-10-14 | 2009-10-14 | Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910035938A CN101672671A (en) | 2009-10-14 | 2009-10-14 | Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters |
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| Publication Number | Publication Date |
|---|---|
| CN101672671A true CN101672671A (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910035938A Pending CN101672671A (en) | 2009-10-14 | 2009-10-14 | Z-shaped pipe section for energy transducers of ultrasonic flowmeters and calorimeters |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680041A (en) * | 2012-05-18 | 2012-09-19 | 史雪丽 | Bulk pipe assembly structure for ultrasonic signal Z-shaped transmission |
| CN110383013A (en) * | 2017-03-14 | 2019-10-25 | 恩德斯+豪斯流量技术股份有限公司 | Ultrasonic flowmeter |
| CN110487340A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Flowmeter pipeline and flowermeter with it |
-
2009
- 2009-10-14 CN CN200910035938A patent/CN101672671A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680041A (en) * | 2012-05-18 | 2012-09-19 | 史雪丽 | Bulk pipe assembly structure for ultrasonic signal Z-shaped transmission |
| CN110383013A (en) * | 2017-03-14 | 2019-10-25 | 恩德斯+豪斯流量技术股份有限公司 | Ultrasonic flowmeter |
| US10895479B2 (en) | 2017-03-14 | 2021-01-19 | Endress+Hauser Flowtec Ag | Ultrasonic flowmeter |
| CN110383013B (en) * | 2017-03-14 | 2021-03-12 | 恩德斯+豪斯流量技术股份有限公司 | Ultrasonic flowmeter |
| CN110487340A (en) * | 2019-07-23 | 2019-11-22 | 广东美的白色家电技术创新中心有限公司 | Flowmeter pipeline and flowermeter with it |
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Open date: 20100317 |