CN204214483U - The integrated detection architecture of vortex shedding flow meter - Google Patents
The integrated detection architecture of vortex shedding flow meter Download PDFInfo
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- CN204214483U CN204214483U CN201420691025.6U CN201420691025U CN204214483U CN 204214483 U CN204214483 U CN 204214483U CN 201420691025 U CN201420691025 U CN 201420691025U CN 204214483 U CN204214483 U CN 204214483U
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Abstract
The utility model relates to a kind of integrated detection architecture of vortex shedding flow meter.Temperature detector is fixed on the bottom of flow detector, flow detector and the temperature connecting line be connected with temperature detector are encapsulated in by filling material pops one's head in chamber, probe holder is fixed on the tube wall of casing of vortex shedding flowmeter, the low side of probe is successively through the hole of probe holder, probe hole is placed in the pipe interior of casing of vortex shedding flowmeter, circular flange and the probe holder of probe upper end are fixed, sounding body is fixed in casing of vortex shedding flowmeter, the gas outlet of sounding body communicates with the access opening of casing of vortex shedding flowmeter, S shape pipe is fixed on the access opening of casing of vortex shedding flowmeter.Effect is: achieve temperature, pressure versus flow point is measured simultaneously; simultaneously; the utility model is by infusion epoxy resin or inorganic glue; realize sounding body and the more efficiently seal protection of probe; and the effect played insulation and moisture, prevent connecting line from mutually disturbing, ensure that the normal table of sensor runs further.
Description
Technical field
The utility model relates to a kind of integrated detection architecture of vortex shedding flow meter.
Background technology
The vortex shedding flow meter of prior art is a kind of fluid concussion type instrument be developed into according to " Karman vortex street ", triangular prism sounding body is adopted to isolate toll bar whirlpool, the frequency that whirlpool is separated is directly proportional to flow, vortex frequency is detected by piezoelectric ceramics, and convert alternating signal to, and then measure volumetric flow rate and instantaneous delivery.
Conventional vortex shedding flow meter is used for measuring fluid flow, if need measurement gas, then, while needing to measure flow, also needs measuring tempeature, pressure, with the deviation effects of supplementary density to gas flow; Existing gas vortex shedding flow meter needs on table body or pipeline, offer pressure port in addition and get warm hole, and weld pressure and get warm device, as shown in Figure 4, Figure 5, such one side borehole accuracy is difficult to hold, increase operation and the time of processing, what on the other hand vortex shedding flow meter structure is become is more complicated, especially in use increases the hidden danger of fluid leaks.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of integrated detection architecture of vortex shedding flow meter, temperature detector and pressure detector are integrated into respectively sounding body and probe inside, while simplifying vortex shedding flow meter structural design, prevent from escaping gas in measuring process and producing flow deviation.
The utility model for achieving the above object, the technical scheme taked is: a kind of integrated detection architecture of vortex shedding flow meter, comprise the casing of vortex shedding flowmeter be connected with pipeline, it is characterized in that: also comprise sounding body, S shape pipe, probe holder, probe, temperature connecting line, flow detector, temperature detector, filling material, described sounding body is trigone, be provided with air intake opening at sounding body sidewall, be provided with gas outlet at sounding body top, air intake opening and gas outlet form L-type pilot passage, described probe is the cylindrical body with inner chamber, and probe upper end is provided with circular flange, and for boss rises below circular flange, probe both sides, lower end are two vertical planes, and two vertical planes and cylindrical body junction are cambered surface, the tube wall of described casing of vortex shedding flowmeter is provided with access opening and probe hole, described temperature detector is fixed on the bottom of flow detector, described flow detector and the temperature connecting line be connected with temperature detector are encapsulated in by filling material pops one's head in chamber, described probe holder is fixed on the tube wall of casing of vortex shedding flowmeter, the low side of probe is successively through the hole of probe holder, probe hole is placed in the pipe interior of casing of vortex shedding flowmeter, the both sides cambered surface of probe is corresponding with casing of vortex shedding flowmeter tube wall, the boss of probe upper end plays the groove clearance fit with fixture, circular flange and the probe holder of probe upper end are fixed together, described sounding body is fixed in casing of vortex shedding flowmeter, the air intake opening of sounding body flows side meeting of pipeline, perpendicular to pipeline section, the gas outlet of sounding body communicates with the access opening of casing of vortex shedding flowmeter, described S shape pipe is fixed on the access opening of casing of vortex shedding flowmeter.
The beneficial effects of the utility model are: design by being connected with sounding body with probe integrative packaging, S bend pipe by temperature sensor, on the one hand, and measurement while achieving temperature, pressure versus flow point; On the other hand, simplify the structural design of vortex shedding flow meter, reduce the leakage hidden danger produced by manufacturing procedures such as boring, welding, and avoid temperature and pressure structure to the disturbance of whirlpool and affect the picking up signal of flow detector to whirlpool; Again, the utility model, by infusion epoxy resin or inorganic glue, achieves sounding body and the more efficiently seal protection of probe, and the effect serving insulation and moisture, prevent connecting line from mutually disturbing, ensure that the normal table of sensor runs further.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model probe;
Fig. 3 is the structural representation of the utility model shedder;
Fig. 4 is the structural representation of the vortex shedding flow meter that prior art carries temperature, pressure is measured;
Fig. 5 is that prior art temperature, laminated structure design are at the structural representation of the vortex shedding flow meter of pipeline.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, the integrated detection architecture of vortex shedding flow meter, comprise the casing of vortex shedding flowmeter 9 be connected with pipeline, also comprise sounding body 1, S shape pipe 2, probe holder 3, probe 4, temperature connecting line 5, flow detector 6, temperature detector 7, filling material 8.
Sounding body 1 is trigone, is provided with air intake opening 1-1 at sounding body 1 sidewall, is provided with gas outlet 1-2 at sounding body 1 top, and gas outlet 1-2 is located at the centre of gravity place of sounding body 1 top end face, and air intake opening 1-1 and gas outlet 1-2 forms L-type pilot passage.
Probe 4 is the cylindrical body with inner chamber, and 4 upper ends of popping one's head in are provided with circular flange 4-1, and for boss plays 4-2 below circular flange 4-1,4 both sides, lower end of popping one's head in are two vertical planes, and two vertical planes and cylindrical body junction are cambered surface 4-3.
The tube wall of casing of vortex shedding flowmeter 9 is provided with access opening 9-1 and probe hole 9-2.
Temperature detector 7 is adhesively fixed on the bottom of flow detector 6, flow detector 6 and the temperature connecting line 5 that is connected with temperature detector 7 are encapsulated in probe 4 chamber by filling material 8.Filling material 8 is epoxy resin or inorganic glue, and the encapsulation of filling material 8 prevents the fluid impact probe 4 of pipe interior from causing vibrations, causes the output signal thread breakage of temperature detector 6 and flowmeter detecting device 7.Temperature connecting line 5 outputs signal the converter circuit plate of access vortex shedding flow meter, has clearance requirement bottom temperature detector 7 and probe 4.
Probe holder 3 is weldingly fixed on the tube wall of casing of vortex shedding flowmeter 9, the low side of probe 4 is placed in the pipe interior of casing of vortex shedding flowmeter 9 successively through the hole of probe holder 3, probe hole 9-2, the both sides cambered surface 4-3 of probe 4 is corresponding with casing of vortex shedding flowmeter 9 tube wall, the boss of 4 upper ends of popping one's head in plays the groove clearance fit of 4-2 and fixture 3, to pop one's head in the circular flange 4-1 coating butter of 4 upper ends, be fixed together by four plus screw and probe holder 3.Sounding body 1 is weldingly fixed in casing of vortex shedding flowmeter 9 manages, the air intake opening 1-1 of sounding body 1 is corresponding with the import of casing of vortex shedding flowmeter 9 and be in same axial line, air intake opening 1-1 distance casing of vortex shedding flowmeter 9 bottom end face 1/3rd place, the gas outlet 1-2 of sounding body 1 communicates with the access opening 9-1 of casing of vortex shedding flowmeter 9.Be weldingly fixed on the access opening 9-1 of casing of vortex shedding flowmeter 9 by S shape pipe 2, S shape pipe 2 communicates with air intake opening 1-1, and is provided with condensed fluid.
Principle of work: at the fluid of pipeline through sounding body 1, fluid enters the L-type pilot passage of sounding body 1 inside, by being connected with S shape pipe 2, acts on pressure sensing diaphragm, produces pressure signal and is transferred to converter; Fluid ring walks around shedder 1, produces the staggered whirlpool of two row, measure whirlpool cross frequence, produce flow signal by flow detector 6 in its both sides, rear portion; Meanwhile, the temperature detector 7 of 4 inside of popping one's head in can measure temperature signal; Designed by integrated morphology, import flow signal and temperature detection signal into converter circuit plate simultaneously, while simplifying structure, pressure, flow, temperature signal can be measured simultaneously.
Claims (3)
1. the integrated detection architecture of a vortex shedding flow meter, comprise the casing of vortex shedding flowmeter (9) be connected with pipeline, it is characterized in that: also comprise sounding body (1), S shape pipe (2), probe holder (3), probe (4), temperature connecting line (5), flow detector (6), temperature detector (7), filling material (8), described sounding body (1) is trigone, air intake opening (1-1) is provided with at sounding body (1) sidewall, be provided with gas outlet (1-2) at sounding body (1) top, air intake opening (1-1) and gas outlet (1-2) form L-type pilot passage, described probe (4) is the cylindrical body with inner chamber, probe (4) upper end is provided with circular flange (4-1), circular flange (4-1) is below for boss rises (4-2), and probe (4) both sides, lower end are two vertical planes, and two vertical planes and cylindrical body junction are cambered surface (4-3), the tube wall of described casing of vortex shedding flowmeter (9) is provided with access opening (9-1) and probe hole (9-2), described temperature detector (7) is fixed on the bottom of flow detector (6), described flow detector (6) and the temperature connecting line (5) be connected with temperature detector (7) are encapsulated in by filling material (8) pops one's head in (4) chamber, described probe holder (3) is fixed on the tube wall of casing of vortex shedding flowmeter (9), the low side of probe (4) is successively through the hole of probe holder (3), probe hole (9-2) is placed in the pipe interior of casing of vortex shedding flowmeter (9), the both sides cambered surface (4-3) of probe (4) is corresponding with casing of vortex shedding flowmeter (9) tube wall, the boss of probe (4) upper end plays the groove clearance fit of (4-2) and fixture (3), the circular flange (4-1) of probe (4) upper end is fixed together with probe holder (3), described sounding body (1) is fixed in casing of vortex shedding flowmeter (9), the air intake opening (1-1) of sounding body (1) flows side meeting of pipeline, perpendicular to pipeline section, the gas outlet (1-2) of sounding body (1) communicates with the access opening (9-1) of casing of vortex shedding flowmeter (9), described S shape pipe (2) is fixed on the access opening (9-1) of casing of vortex shedding flowmeter (9).
2. the integrated detection architecture of vortex shedding flow meter according to claim 1, is characterized in that: air intake opening (1-1) distance casing of vortex shedding flowmeter (9) bottom end face 1/3rd place of described L-type pilot passage.
3. the integrated detection architecture of vortex shedding flow meter according to claim 1, is characterized in that: described filling material (8) is epoxy resin or inorganic glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691025.6U CN204214483U (en) | 2014-11-18 | 2014-11-18 | The integrated detection architecture of vortex shedding flow meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691025.6U CN204214483U (en) | 2014-11-18 | 2014-11-18 | The integrated detection architecture of vortex shedding flow meter |
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| CN204214483U true CN204214483U (en) | 2015-03-18 |
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| CN201420691025.6U Active CN204214483U (en) | 2014-11-18 | 2014-11-18 | The integrated detection architecture of vortex shedding flow meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374436A (en) * | 2014-11-18 | 2015-02-25 | 中环天仪股份有限公司 | Integrated detection structure of vortex flowmeter |
| CN111664902A (en) * | 2020-06-24 | 2020-09-15 | 江苏杰创流量仪表有限公司 | Novel temperature compensation vortex shedding flowmeter |
-
2014
- 2014-11-18 CN CN201420691025.6U patent/CN204214483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374436A (en) * | 2014-11-18 | 2015-02-25 | 中环天仪股份有限公司 | Integrated detection structure of vortex flowmeter |
| CN111664902A (en) * | 2020-06-24 | 2020-09-15 | 江苏杰创流量仪表有限公司 | Novel temperature compensation vortex shedding flowmeter |
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