CN201503288U - Pipe section for transducers of ultrasonic flowmeter and ultrasonic heat meter - Google Patents
Pipe section for transducers of ultrasonic flowmeter and ultrasonic heat meter Download PDFInfo
- Publication number
- CN201503288U CN201503288U CN2009202361808U CN200920236180U CN201503288U CN 201503288 U CN201503288 U CN 201503288U CN 2009202361808 U CN2009202361808 U CN 2009202361808U CN 200920236180 U CN200920236180 U CN 200920236180U CN 201503288 U CN201503288 U CN 201503288U
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- pipeline section
- transducer
- guiding conical
- flow guiding
- outlet connection
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Abstract
A pipe section for transducers of an ultrasonic flowmeter and an ultrasonic heat meter is characterized in that the pipe section consists of an inlet joint, an outlet joint and a rectilinear pipe segment, wherein the inlet joint and the outlet joint are arranged at both ends of the rectilinear pipe segment; a diversion conical cover is respectively arranged in the inlet joint and the outlet joint; and a cavity is respectively formed between the diversion conical cover and the inner walls of the inlet joint and the outlet joint, so that a fluid passage in the pipe section changes the direction. Transducers are respectively arranged in the diversion conical covers and are correspondingly matched with each other through the rectilinear segment. The pipe section has the advantages of reasonable structure and convenient cleaning, and can increase the flow rate of fluid to be measured and improve the measurement accuracy. The pipe section also overcomes the disadvantages of the prior art, and can save the space by using the diversion conical cover to change the flow direction. Furthermore, the cavities formed between the diversion conical cover and the inner walls of the pipe section can enhance the flow stability, improve the measurement accuracy and facilitate cleaning of the transducer. Accordingly, the pipe section can be processed conveniently, and can be widely used for transducers of ultrasonic flowmeter and ultrasonic heat meter.
Description
Affiliated technical field
The utility model belongs to acoustics, field of sensing technologies, particularly utilizes ultrasonic detecting technology, and ultrasonic flow rate, the calorimeter transducer pipeline section of fluid flow or heat in the metering pipeline are applicable to the metering of tubule footpath inner fluid flow, heat.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 Π 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 utility model purpose provides a kind of ultrasonic flow rate, calorimeter transducer 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 conveniently take out, it is convenient to clean, adopt flow guiding conical shade to change the liquid flow path direction, further reduce the pressure loss, reduce difficulty of processing.
The technical solution of the utility model is: ultrasonic flow rate, calorimeter transducer are the linear pattern passage with the pipe internal channel of pipeline section, at the pipeline section middle part is one section straight-line segment, the straight-line segment two ends are pipeline section inlet attack and pipeline section outlet connection, be equipped with flow guiding conical shade in pipeline section inlet attack and the pipeline section outlet connection, be provided with transducer in the flow guiding conical shade, transducer is positioned at the straight-line segment two ends, and transducer is by the corresponding mutually coupling of rectilinear end.
A kind of ultrasonic flow rate, calorimeter transducer pipeline section, form by pipeline section inlet attack, pipeline section outlet connection and straight-line segment, pipeline section inlet attack, pipeline section outlet connection are arranged on the straight-line segment two ends, be respectively equipped with flow guiding conical shade in pipeline section inlet attack and the pipeline section outlet connection, flow guiding conical shade forms cavity respectively and between the pipeline section inlet attack, pipeline section outlet connection inwall, makes fluid passage break-in in the pipeline section.
Be respectively equipped with transducer in the described flow guiding conical shade, transducer is by the corresponding mutually coupling of straight-line segment.
Described flow guiding conical shade is convex cone face, concave cone face or plane towards the end face of pipeline section inlet attack opening.
Described flow guiding conical shade is convex cone face, concave cone face or plane towards the end face of pipeline section outlet connection opening.
Flow guiding conical shade is preferably taper, so that guided liquid-flow forms annular liquid flow cavity.
Described flow guiding conical shade connects as one by flow guiding conical shade dowel and pipeline section inlet attack and pipeline section outlet connection inwall respectively.
Described flow guiding conical shade upper end is provided with bracket socket, is provided with contact base in the bracket socket, is provided with the wire guide that is communicated with flow guiding conical shade inside and bracket socket in the flow guiding conical shade dowel, and the transducer connector lug passes the contact on the wire guide connection contact base.
Be respectively equipped with the transducer cover plate on the described flow guiding conical shade, the transducer cover plate is provided with water conservancy diversion air discharge duct or water conservancy diversion vent port.
Described pipeline section inlet attack, pipeline section outlet connection and straight-line segment are an one-piece construction or divide body structure.
Described pipeline section inlet attack, pipeline section outlet connection structure is identical and be symmetrical arranged.
Described pipeline section inlet attack and/or pipeline section outlet connection are provided with thermometer hole, are used for mounting temperature sensor.
Adopt the utility model, the flowing through channel of fluid to be measured is: liquid is flowed into by the pipeline section inlet attack earlier, through entering the straight-line segment in the pipeline section body after the flow guiding conical shade break-in, again through being flowed out by the pipeline section outlet connection after the flow guiding conical shade break-in.Transducer is arranged in the flow guiding conical shade at straight section of channel two ends, it is less to take the interior space of pipeline section, 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, and the transducer that is installed in the straight-line segment other end receives signal, passes 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 beneficial effects of the utility model are:
Ultrasonic flow rate of the present utility model, calorimeter transducer are stablized with fluid flow in the pipeline section, and signal fluctuation is little, thereby has improved measuring accuracy.In use for some time, transducer takes off transducer if scale formation can unload pipeline section inlet attack or pipeline section outlet connection easily from the two ends, the left and right sides of straight-line segment in flow guiding conical shade, clean, solved the not problem of easy cleaning of transducer fouling.
The utlity model 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 flow guiding conical shade carry out the liquid rheology to, not only saved the space, more owing to form cavity between flow guiding conical shade and the pipeline section inwall, strengthened the stability of liquid stream, improve measuring accuracy, made things convenient for sensor to clean, easy to processly can be widely used in ultrasonic flow rate, calorimetric transducer.
The flow guiding conical shade upper end is provided with bracket socket, is provided with contact base in the bracket socket, is provided with the wire guide that is communicated with flow guiding conical shade inside and bracket socket in the flow guiding conical shade dowel, and the transducer connector lug passes the contact on the wire guide connection contact base.Fully electric elements and liquid stream are completely cut off, guaranteed the serviceable life of electrical equipment.Support flow guiding conical shade by the flow guiding conical shade dowel, not only firm reliable, more can realize the effect that drainage and stabilizing solution flow.
Description of drawings
Fig. 1 is an one-piece construction cross-sectional schematic of the present utility model.
Fig. 2 looks synoptic diagram for the master of pipeline section inlet attack of the present utility model or pipeline section outlet connection.
Fig. 3 is the schematic rear view of pipeline section inlet attack of the present utility model or pipeline section outlet connection.
Fig. 4 is the schematic top plan view of pipeline section inlet attack of the present utility model or pipeline section outlet connection.
Fig. 5 is an E-E direction cut-open view among Fig. 2.
Fig. 6 is a user mode perspective view of the present utility model.
Among the figure: 1, pipeline section inlet attack, 2, transducer, 3, transducer, 4, pipeline section outlet connection, 5, straight-line segment, 6, flow guiding conical shade, 7, flow guiding conical shade, 8, the transducer cover plate, 9, the transducer cover plate, 10, water conservancy diversion air discharge duct, 11, flow guiding conical shade dowel, 12, bracket socket, 13, wire guide, 14, contact base, 15, support.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
A kind of ultrasonic flow rate, calorimeter transducer pipeline section, form by pipeline section inlet attack 1, pipeline section outlet connection 4 and straight-line segment 5, pipeline section inlet attack 1, pipeline section outlet connection 4 are arranged on straight-line segment 5 two ends, be respectively equipped with flow guiding conical shade 6,7 in pipeline section inlet attack 1 and the pipeline section outlet connection 4, flow guiding conical shade 6,7 forms cavity respectively and between the pipeline section inlet attack 1, pipeline section outlet connection 4 inwalls, makes fluid passage break-in in the pipeline section.
Be respectively equipped with transducer 2,3 in the flow guiding conical shade 6,7, transducer 2,3 is by the corresponding mutually coupling of straight-line segment 5.
Flow guiding conical shade 6 is convex cone face, concave cone face or plane towards the end face of pipeline section inlet attack 1 opening.
Flow guiding conical shade 7 is convex cone face, concave cone face or plane towards the end face of pipeline section outlet connection 4 openings.
Flow guiding conical shade 6,7 is preferably taper, so that guided liquid-flow forms annular liquid flow cavity.
Flow guiding conical shade 6,7 connects as one by flow guiding conical shade dowel 11 and pipeline section inlet attack 1 and pipeline section outlet connection 4 inwalls respectively.
Flow guiding conical shade 6,7 upper ends are provided with bracket socket 12, be provided with contact base 14 in the bracket socket 12, be provided with the wire guide 13 that is communicated with flow guiding conical shade 6,7 inside and bracket socket 12 in the flow guiding conical shade dowel 11, transducer 2,3 connector lugs pass the contact that wire guide 13 connects on the contact base 14.Mounting bracket 15 on the bracket socket 12, and the wiring of contact is arranged from internal stent and drawn.Design is not only handsome in appearance like this, and plays the effect of protection wiring.
Be respectively equipped with transducer cover plate 8,9 on the flow guiding conical shade 6,7, transducer cover plate 8,9 is an Open architecture, itself and 6,7 of flow guiding conical shade are provided with the O RunddichtringO, and transducer cover plate 8,9 opening parts are provided with the pass body of a bit of opening, and this inboard wall of tube body is provided with water conservancy diversion air discharge duct 10 or water conservancy diversion vent port.
The effect of water conservancy diversion air discharge duct 10 or water conservancy diversion vent port is that guided liquid-flow flows to and flow velocity, prevents that liquid stream from directly impacting transducer 2,3, and simultaneously, the bubble of generation can be discharged under the effect of water conservancy diversion air discharge duct 10 or water conservancy diversion vent port smoothly.
Pipeline section inlet attack 1, pipeline section outlet connection 4 are an one-piece construction with straight-line segment 5 or divide body structure.Straight-line segment 5 is provided with the reinforcement that row in length and breadth establishes, to guarantee than the straight-line segment 5 of minor diameter excellent mechanical intensity being arranged.Pipeline section inlet attack 1, pipeline section outlet connection 4 is provided with joint flange with the connectivity port of straight-line segment 5, and pipeline section inlet attack 1, straight-line segment 5 and after pipeline section outlet connection 4 docks successively connect by screw retention.
Pipeline section inlet attack 1, pipeline section outlet connection 4 structures are identical and be symmetrical arranged, and when implementing to manufacture, pipeline section inlet attack 1 can be identical structure with pipeline section outlet connection 4, so that produce in batches.
Pipeline section inlet attack 1 and/or pipeline section outlet connection 4 are provided with thermometer hole, are used for mounting temperature sensor.
When detecting flow, the transducer 2 that is installed in pipeline section body straight-line segment 5 one ends sends ultrasonic signal, the transducer 3 that is installed in straight-line segment 5 other ends receives signal, 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 pipeline section, and signal fluctuation is little, thereby has improved measuring accuracy.
Claims (10)
1. a ultrasonic flow rate, calorimeter transducer pipeline section, it is characterized in that forming by pipeline section inlet attack (1), pipeline section outlet connection (4) and straight-line segment (5), pipeline section inlet attack (1), pipeline section outlet connection (4) are arranged on straight-line segment (5) two ends, be respectively equipped with flow guiding conical shade (6 in pipeline section inlet attack (1) and the pipeline section outlet connection (4), 7), flow guiding conical shade (6,7) form cavity respectively and between the pipeline section inlet attack (1), pipeline section outlet connection (4) inwall, make fluid passage break-in in the pipeline section.
2. ultrasonic flow rate according to claim 1, calorimeter transducer pipeline section is characterized in that being respectively equipped with in the described flow guiding conical shade (6,7) transducer (2,3), and transducer (2,3) is by the corresponding mutually coupling of straight-line segment (5).
3. ultrasonic flow rate according to claim 1 and 2, calorimeter transducer pipeline section is characterized in that described flow guiding conical shade (6) is convex cone face, concave cone face or plane towards the end face of pipeline section inlet attack (1) opening.
4. ultrasonic flow rate according to claim 1 and 2, calorimeter transducer pipeline section is characterized in that described flow guiding conical shade (7) is convex cone face, concave cone face or plane towards the end face of pipeline section outlet connection (4) opening.
5. ultrasonic flow rate according to claim 1, calorimeter transducer pipeline section is characterized in that described flow guiding conical shade (6,7) connects as one by flow guiding conical shade dowel (11) and pipeline section inlet attack (1) and pipeline section outlet connection (4) inwall respectively.
6. according to claim 2 or 5 described ultrasonic flow rates, calorimeter transducer pipeline section, it is characterized in that described flow guiding conical shade (6,7) upper end is provided with bracket socket (12), be provided with the wire guide (13) that is communicated with flow guiding conical shade (6,7) inside and bracket socket (12) in the flow guiding conical shade dowel (11).
7. ultrasonic flow rate according to claim 2, calorimeter transducer pipeline section is characterized in that being respectively equipped with transducer cover plate (8,9) on the described flow guiding conical shade (6,7), and transducer cover plate (8,9) is provided with water conservancy diversion air discharge duct (10) or water conservancy diversion vent port.
8. ultrasonic flow rate according to claim 1, calorimeter transducer pipeline section is characterized in that described pipeline section inlet attack (1), pipeline section outlet connection (4) are an one-piece construction with straight-line segment (5) or divide body structure.
9. ultrasonic flow rate according to claim 1, calorimeter transducer pipeline section is characterized in that described pipeline section inlet attack (1), pipeline section outlet connection (4) structure is identical and be symmetrical arranged.
10. ultrasonic flow rate according to claim 1, calorimeter transducer pipeline section is characterized in that described pipeline section inlet attack (1) and/or pipeline section outlet connection (4) are provided with thermometer hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202361808U CN201503288U (en) | 2009-10-14 | 2009-10-14 | Pipe section for transducers of ultrasonic flowmeter and ultrasonic heat meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202361808U CN201503288U (en) | 2009-10-14 | 2009-10-14 | Pipe section for transducers of ultrasonic flowmeter and ultrasonic heat meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503288U true CN201503288U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202361808U Expired - Lifetime CN201503288U (en) | 2009-10-14 | 2009-10-14 | Pipe section for transducers of ultrasonic flowmeter and ultrasonic heat meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949748A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN111121895A (en) * | 2020-01-10 | 2020-05-08 | 青岛海威茨仪表有限公司 | Large-caliber ultrasonic flowmeter |
-
2009
- 2009-10-14 CN CN2009202361808U patent/CN201503288U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949748A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN101949748B (en) * | 2010-08-27 | 2013-02-06 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN111121895A (en) * | 2020-01-10 | 2020-05-08 | 青岛海威茨仪表有限公司 | Large-caliber ultrasonic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211178 No. 3, Xiang Feng Road, Jiangning Binjiang Economic Development Zone, Nanjing, Jiangsu Patentee after: Maxtor instrument Limited by Share Ltd Address before: 211178 No. 3, Xiang Feng Road, Jiangning Binjiang Economic Development Zone, Nanjing, Jiangsu Patentee before: Jiangsu Maituo Intelligent Meter Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100609 |
|
| CX01 | Expiry of patent term |