CN110375813A - A kind of integrated transducer and measurement method measuring fluid temperature (F.T.) and vortex frequency - Google Patents
A kind of integrated transducer and measurement method measuring fluid temperature (F.T.) and vortex frequency Download PDFInfo
- Publication number
- CN110375813A CN110375813A CN201910648322.XA CN201910648322A CN110375813A CN 110375813 A CN110375813 A CN 110375813A CN 201910648322 A CN201910648322 A CN 201910648322A CN 110375813 A CN110375813 A CN 110375813A
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- area
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- seal
- potting
- positioning ring
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- 239000012530 fluid Substances 0.000 title claims abstract description 63
- 238000000691 measurement method Methods 0.000 title claims abstract description 7
- 238000004382 potting Methods 0.000 claims abstract description 138
- 238000001514 detection method Methods 0.000 claims abstract description 65
- 238000002955 isolation Methods 0.000 claims abstract description 63
- 239000000523 sample Substances 0.000 claims abstract description 44
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
- G01F1/3209—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters using Karman vortices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
Abstract
The invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducers and measurement method of vortex frequency, including vortex street probe empennage, vortical signals detection sensor, temperature sensor, potting area, press seal disk, positioning ring, seal off area, moisture seal area, first vortex signal line and the second vortex signal line, vortex street probe empennage upper end connects potting area, wherein potting area upper end connects press seal disk, press seal disk upper end connects positioning ring, wherein positioning ring upper end connection seal isolation area, the seal isolation area upper end connects moisture seal area, the vortical signals detection sensor, temperature sensor is set to inside potting area, wherein the first vortex signal line passes through moisture seal area, seal off area, positioning ring, press seal disk and potting area are connect with vortical signals detection sensor, wherein the second vortex signal line passes through anti- Damp seal area, seal isolation area, positioning ring, press seal disk and potting area are connect with temperature sensor.
Description
Technical field
The invention belongs to fluid flow signal field of measuring technique more particularly to a kind of measurement fluid temperature (F.T.) and vortex frequencies
Integrated transducer and measurement method.
Background technique
Vortex-shedding meter is the operating condition volume flow that fluid, steam or liquid are measured according to Karman vortex street principle, mark condition body
The volume flowmeter of product flow or mass flow.Triangle column type swirl generating body is set in a fluid, then from swirl generating body two
Top-cross alternately generates the two column vortexs for being proportional to flow velocity, and this vortex is known as toll bar vortex.The release frequency of vortex and flow through rotation
The fluid average speed and swirl generating body characteristic width of whirlpool generating body are related, can calculate stream by measuring vortex frequency
The fluid average speed for crossing swirl generating body, then calculates operating condition volume flow.Such as to measure the mark condition volume flow of fluid
Meter, then also need to measure fluid temperature (F.T.) and pressure, this just needs vortex-shedding meter design to have measurement fluid temperature (F.T.), pressure and vortex
The sensor of frequency, traditional vortex-shedding meter is by the individually designed installation of three of the above sensor, and structure is more complex, the prior art
There are no by fluid temperature (F.T.) and the combined sensor of vortex frequency, existing sensor is easy to loosen, and be easy to cause measurement
Vortex frequency distortion.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of measurement fluid temperature (F.T.) and vortex frequency are provided
Integrated transducer and measurement method, overcome in the prior art 1: traditional vortex-shedding meter individually sets three kinds of sensors
Meter installation, structure are more complex；2: the prior art is not by fluid temperature (F.T.) and the combined sensor of vortex frequency；3: existing
The problems such as technical sensor is easy to loosen, and causes measurement vortex frequency distortion.
In order to solve technical problem, the technical scheme is that the one of a kind of measurement fluid temperature (F.T.) and vortex frequency
Change sensor, including vortex street probe empennage, vortical signals detection sensor, temperature sensor, potting area, press seal disk, positioning ring,
Seal off area, moisture seal area, the first vortex signal line and the second vortex signal line, the connection of vortex street probe empennage upper end
Potting area, wherein potting area upper end connects press seal disk, and press seal disk upper end connects positioning ring, and wherein the connection of positioning ring upper end is close
Isolated area is sealed, the seal isolation area upper end connects moisture seal area, and the vortical signals detection sensor, temperature sensor are set
It is placed in inside potting area, wherein the first vortex signal line passes through moisture seal area, seal isolation area, positioning ring, press seal disk and tank
Envelope area is connect with vortical signals detection sensor, wherein the second vortex signal line passes through moisture seal area, seal isolation area, positioning
Ring, press seal disk and potting area are connect with temperature sensor.
Preferably, the vortical signals detection sensor is piezo chips, and wherein temperature sensor is thermal resistance.
Preferably, the piezo chips and thermal resistance are set to the bottom in potting area close to vortex street probe empennage, wherein pressing
Electrical chip is set to thermal resistance lower part.
Preferably, the vortex street probe empennage and the shell in potting area are integrally formed, wherein vortex street probe empennage and potting
The shell in area is cylindrical structure, and wherein the diameter of the housing in potting area is greater than the diameter of vortex street probe empennage.
Preferably, the shell in the potting area, seal isolation area and moisture seal area is cylindrical structure, wherein potting
The shell in area, seal isolation area and moisture seal area is 304 stainless steels, the potting area, seal isolation area and moisture seal
The enclosure interior in area is filled by ceramic glue.
Preferably, the press seal disk is cylindrical structure, and wherein the diameter of press seal disk is greater than the diameter in potting area, the pressure
It is set in closing disk there are two threading hole, two of them threading hole is passed through for the first vortex signal line and the second vortex signal line.
Preferably, the positioning ring is fixedly welded on press seal disk, and wherein positioning ring also is provided with two threading holes, wherein fixed
Two threading holes on the ring of position are corresponding with two threading hole sites on press seal disk.
Preferably, the positioning ring is equipped with positioning protrusion far from an end face of press seal disk, and wherein positioning protrusion is two points
Two sides are not set to it.
Preferably, the measurement of the integrated transducer of a kind of as above described in any item measurement fluid temperature (F.T.)s and vortex frequency
Method, comprising the following steps:
Integrated transducer is fixed in flowmeter bodies by step 1) using gland, wherein the positioning ring of integrated transducer with
Locating slot occlusion on gland, wherein integrated transducer is perpendicular to flowmeter bodies, while integrated transducer is installed on rotation
Behind the generating body of whirlpool；
For step 2 when fluid flows meter ontology, swirl generating body generates vortex, the vortex street probe tail of integrated transducer
The wing experiences the shock of fluid whirl, and the shock of vortex is passed to vortical signals detection sensor by vortex street probe empennage, temperature passes
Sensor, wherein vortical signals detection sensor detects fluid vortex frequency signal, and temperature sensor detects fluid temperature signal；
Step 3) passes through the first vortex signal line and the second vortex signal line for vortical signals detection sensor and temperature sensor
The signal acquisition of detection is transmitted to instrument and carries out processing analysis.
Compared with the existing technology, the present invention has the advantages that
(1) sensor design for measuring fluid whirl frequency and fluid temperature (F.T.) is integrally changed sensor by the present invention, can reduce biography
The aperture in flowmeter bodies when sensor is installed simplifies flowmeter bodies structure, while the positioning ring designed is conducive to one
Change sensor installation to fix, avoiding integrated transducer from rotating in the case where fluid collides for a long time leads to measure vortex frequency mistake
Very；
(2) present invention is by piezo chips, thermal resistance sealing in potting area bottom, while potting area enclosure interior is filled out by ceramic glue
It fills, wherein the first vortex signal line and the second vortex signal line pass through moisture seal area, seal isolation area, positioning ring, press seal disk
It is connect respectively with piezo chips and thermal resistance with potting area, wherein what the first vortex signal line and the second vortex signal line will test
Signal is transmitted to instrument and carries out processing analysis, realizes the automatic detection of fluid whirl frequency and fluid temperature (F.T.)；
(3) the generally not isometrical cylindrical structure of integrated transducer of the present invention, structure is simple, easy to operate, ingenious in design, at
This is low, and integrated transducer can tightly be fixed with gland and flowmeter bodies, and convenient disassembly, and measurement efficiency is high.
Detailed description of the invention
The structural schematic diagram of the integrated transducer of a kind of measurement fluid temperature (F.T.) of Fig. 1, the present invention and vortex frequency；
The integrated transducer mounting structure schematic diagram of a kind of measurement fluid temperature (F.T.) of Fig. 2, the present invention and vortex frequency.
Description of symbols:
1- vortex street probe empennage, 2- piezo chips, 3- thermal resistance, 4- potting area, 5- press seal disk, 6- threading hole, 7- positioning ring, 8-
Seal off area, 9- moisture seal area, 10- positioning protrusion, 11- the first vortex signal line, 12- the second vortex signal line.
Specific embodiment
The specific embodiment of the invention is described below with reference to embodiment:
It should be noted that structure, ratio, size etc. that this specification is illustrated, only to cooperate specification revealed
Content is not intended to limit the invention enforceable qualifications, Ren Hejie so that those skilled in the art understands and reads
The modification of structure, the change of proportionate relationship or the adjustment of size are not influencing the effect of present invention can be generated and can reach
Under purpose, should all still it fall in the range of disclosed technology contents can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated convenient for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
Piezo chips, thermal resistance, ceramic glue, gland and flowmeter bodies of the present invention are the prior art.
Embodiment 1
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
Embodiment 2
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
Embodiment 3
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
Embodiment 4
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
Embodiment 5
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
As shown in Figure 1, it is preferred that the shell in the potting area 4, seal isolation area 8 and moisture seal area 9 is cylinder
Structure, wherein the shell in potting area 4, seal isolation area 8 and moisture seal area 9 is 304 stainless steels, the potting area 4, sealing
Isolated area 8 and the enclosure interior in moisture seal area 9 are filled by ceramic glue.
Embodiment 6
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
As shown in Figure 1, it is preferred that the shell in the potting area 4, seal isolation area 8 and moisture seal area 9 is cylinder
Structure, wherein the shell in potting area 4, seal isolation area 8 and moisture seal area 9 is 304 stainless steels, the potting area 4, sealing
Isolated area 8 and the enclosure interior in moisture seal area 9 are filled by ceramic glue.
As shown in Figure 1, it is preferred that the press seal disk 5 is cylindrical structure, and wherein the diameter of press seal disk 5 is greater than potting area 4
Diameter, set on the press seal disk 5 there are two threading hole 6, two of them threading hole 6 is used for the first vortex signal line 11 and second
Vortex signal line 12 passes through.
Embodiment 7
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
As shown in Figure 1, it is preferred that the shell in the potting area 4, seal isolation area 8 and moisture seal area 9 is cylinder
Structure, wherein the shell in potting area 4, seal isolation area 8 and moisture seal area 9 is 304 stainless steels, the potting area 4, sealing
Isolated area 8 and the enclosure interior in moisture seal area 9 are filled by ceramic glue.
As shown in Figure 1, it is preferred that the press seal disk 5 is cylindrical structure, and wherein the diameter of press seal disk 5 is greater than potting area 4
Diameter, set on the press seal disk 5 there are two threading hole 6, two of them threading hole 6 is used for the first vortex signal line 11 and second
Vortex signal line 12 passes through.
As shown in Figure 1, it is preferred that the positioning ring 7 is fixedly welded on press seal disk 5, and wherein positioning ring 7 also is provided with two
Threading hole 6, wherein two threading holes 6 on positioning ring 7 are corresponding with two 6 positions of threading hole on press seal disk 5.
Embodiment 8
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
As shown in Figure 1, it is preferred that the shell in the potting area 4, seal isolation area 8 and moisture seal area 9 is cylinder
Structure, wherein the shell in potting area 4, seal isolation area 8 and moisture seal area 9 is 304 stainless steels, the potting area 4, sealing
Isolated area 8 and the enclosure interior in moisture seal area 9 are filled by ceramic glue.
As shown in Figure 1, it is preferred that the press seal disk 5 is cylindrical structure, and wherein the diameter of press seal disk 5 is greater than potting area 4
Diameter, set on the press seal disk 5 there are two threading hole 6, two of them threading hole 6 is used for the first vortex signal line 11 and second
Vortex signal line 12 passes through.
As shown in Figure 1, it is preferred that the positioning ring 7 is fixedly welded on press seal disk 5, and wherein positioning ring 7 also is provided with two
Threading hole 6, wherein two threading holes 6 on positioning ring 7 are corresponding with two 6 positions of threading hole on press seal disk 5.
As shown in Figure 1, it is preferred that the positioning ring 7 is equipped with positioning protrusion 10 far from an end face of press seal disk 5, wherein fixed
Position protrusion 10 is respectively arranged at two sides for two.
Embodiment 9
As shown in Figure 1, the invention discloses a kind of measurement fluid temperature (F.T.) and the integrated transducer of vortex frequency, including vortex street is visited
The wing 1, vortical signals detection sensor, temperature sensor, potting area 4, press seal disk 5, positioning ring 7, seal isolation area 8, anti-end to end
Damp seal area 9, the first vortex signal line 11 and the second vortex signal line 12,1 upper end of vortex street probe empennage connect potting area
4, wherein 4 upper end of potting area connects press seal disk 5, and 5 upper end of press seal disk connects positioning ring 7, and wherein the connection of 7 upper end of positioning ring is close
Isolated area 8 is sealed, 8 upper end of seal isolation area connects moisture seal area 9, the vortical signals detection sensor, temperature sensing
Device is set to inside potting area 4, wherein the first vortex signal line 11 pass through moisture seal area 9, seal isolation area 8, positioning ring 7,
Press seal disk 5 and potting area 4 are connect with vortical signals detection sensor, wherein the second vortex signal line 12 pass through moisture seal area 9,
Seal isolation area 8, positioning ring 7, press seal disk 5 and potting area 4 are connect with temperature sensor.
As shown in Figure 1, it is preferred that the vortical signals detection sensor is piezo chips 2, and wherein temperature sensor is heat
Resistance 3.
As shown in Figure 1, it is preferred that the piezo chips 2 and thermal resistance 3 are set to the bottom in potting area 4 close to vortex street spy
The wing 1 end to end, wherein piezo chips 2 are set to 3 lower part of thermal resistance.
As shown in Figure 1, it is preferred that the vortex street probe empennage 1 and the shell in potting area 4 are integrally formed, and wherein vortex street is visited
The wing 1 and the shell in potting area 4 are cylindrical structure end to end, and wherein the diameter of the housing in potting area 4 is greater than vortex street probe empennage 1
Diameter.
As shown in Figure 1, it is preferred that the shell in the potting area 4, seal isolation area 8 and moisture seal area 9 is cylinder
Structure, wherein the shell in potting area 4, seal isolation area 8 and moisture seal area 9 is 304 stainless steels (S15/S25), the tank
The enclosure interior in envelope area 4, seal isolation area 8 and moisture seal area 9 is filled by ceramic glue.
As shown in Figure 1, it is preferred that the press seal disk 5 is cylindrical structure, and wherein the diameter of press seal disk 5 is greater than potting area 4
Diameter, set on the press seal disk 5 there are two threading hole 6, two of them threading hole 6 is used for the first vortex signal line 11 and second
Vortex signal line 12 passes through.
As shown in Figure 1, it is preferred that the positioning ring 7 is fixedly welded on press seal disk 5, and wherein positioning ring 7 also is provided with two
Threading hole 6, wherein two threading holes 6 on positioning ring 7 are corresponding with two 6 positions of threading hole on press seal disk 5.
As shown in Figure 1, it is preferred that the positioning ring 7 is equipped with positioning protrusion 10 far from an end face of press seal disk 5, wherein fixed
Position protrusion 10 is respectively arranged at two sides for two.
As shown in Figure 1 and 2, it is preferred that the integration of a kind of as above described in any item measurement fluid temperature (F.T.)s and vortex frequency
The measurement method of sensor, comprising the following steps:
Integrated transducer is fixed in flowmeter bodies by step 1) using gland, wherein the positioning ring 7 of integrated transducer
It is engaged with the locating slot on gland, wherein integrated transducer is perpendicular to flowmeter bodies, while integrated transducer is installed on
Behind swirl generating body；
For step 2 when fluid flows meter ontology, swirl generating body generates vortex, the vortex street probe tail of integrated transducer
The wing 1 experiences the shock of fluid whirl, and the shock of vortex is passed to vortical signals detection sensor, temperature by vortex street probe empennage 1
Sensor, wherein vortical signals detection sensor detects fluid vortex frequency signal, and temperature sensor detects fluid temperature signal；
Step 3) is passed vortical signals detection sensor and temperature by the first vortex signal line 11 and the second vortex signal line 12
The signal acquisition of sensor detection is transmitted to instrument and carries out processing analysis.
The thermal resistance model PT1000/500/100.
Working principle of the present invention is as follows:
The vortex street probe empennage 1 of integrated transducer of the present invention experiences the shock of fluid whirl, and vortex street probe empennage 1 is by vortex
Shock passes to vortical signals detection sensor, temperature sensor, wherein vortical signals detection sensor detection fluid whirl frequency
Rate signal, temperature sensor detect fluid temperature signal；By the first vortex signal line 11 and the second vortex signal line 12 by whirlpool
Whirlpool signal detection sensor and the signal acquisition of temperature sensor detection are transmitted to instrument and carry out processing analysis.
Piezo chips 2 of the present invention and thermal resistance 3 are filled in together in potting area 4, and encapsulating area 4 is filled out using ceramic glue
It fills, is used for press seal encapsulating area 4 for the fixed piezo chips 2 of encapsulating and thermal resistance 3, the press seal disk 5, is solid cylinder knot
Structure；Positioning ring 7 is solid, positioning ring 7 and 5 medium design of press seal disk have for orientation when installing integrated transducer
Two threading holes 6, for passing through the first vortex signal line 11 and the second vortex signal line 12；Sealing off 8 filler of area is pottery
Porcelain cement is used for further isolating seal encapsulating area 4；9 filler of moisture seal area is ceramic glue, prevents the first vortex signal line 11
It makes moist with the second vortex signal line 12.
The sensor design for measuring fluid whirl frequency and fluid temperature (F.T.) is integrally changed sensor by the present invention, can reduce biography
The aperture in flowmeter bodies when sensor is installed simplifies flowmeter bodies structure, while the positioning ring designed is conducive to one
Change sensor installation to fix, avoiding integrated transducer from rotating in the case where fluid collides for a long time leads to measure vortex frequency mistake
Very.
The present invention is by piezo chips, thermal resistance sealing in potting area bottom, while potting area enclosure interior passes through ceramic glue
Filling, wherein the first vortex signal line and the second vortex signal line pass through moisture seal area, seal isolation area, positioning ring, press seal
Disk and potting area are connect with piezo chips and thermal resistance respectively, wherein the first vortex signal line and the second vortex signal line will test
Signal be transmitted to instrument and carry out processing analysis, realize the automatic detection of fluid whirl frequency and fluid temperature (F.T.).
The generally not isometrical cylindrical structure of integrated transducer of the present invention, structure is simple, easy to operate, designs very skilful
Wonderful, at low cost, integrated transducer can tightly be fixed with gland and flowmeter bodies, and convenient disassembly, and measurement efficiency is high.
The preferred embodiment for the present invention is explained in detail above, but the present invention is not limited to the above embodiments,
Those of ordinary skill in the art within the scope of knowledge, can also make various without departing from the purpose of the present invention
Variation.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (9)
1. the integrated transducer of a kind of measurement fluid temperature (F.T.) and vortex frequency, it is characterised in that: including vortex street probe empennage
(1), vortical signals detection sensor, temperature sensor, potting area (4), press seal disk (5), positioning ring (7), seal isolation area
(8), moisture seal area (9), the first vortex signal line (11) and the second vortex signal line (12), the vortex street probe empennage (1)
Upper end connects potting area (4), wherein potting area (4) upper end connection press seal disk (5), and press seal disk (5) upper end connects positioning ring
(7), wherein positioning ring (7) upper end connection seal isolation area (8), the seal isolation area (8) upper end connect moisture seal area
(9), the vortical signals detection sensor, temperature sensor are set to potting area (4) inside, wherein the first vortex signal line
(11) moisture seal area (9), seal isolation area (8), positioning ring (7), press seal disk (5) and potting area (4) and vortical signals are passed through
Detection sensor connection, wherein the second vortex signal line (12) passes through moisture seal area (9), seal isolation area (8), positioning ring
(7), press seal disk (5) and potting area (4) are connect with temperature sensor.
2. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 1 and vortex frequency, it is characterised in that:
The vortical signals detection sensor is piezo chips (2), and wherein temperature sensor is thermal resistance (3).
3. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 2 and vortex frequency, it is characterised in that:
The piezo chips (2) and thermal resistance (3) are set to the bottom in potting area (4) close to vortex street probe empennage (1), wherein piezoelectricity core
Piece (2) is set to thermal resistance (3) lower part.
4. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 1 and vortex frequency, it is characterised in that:
The shell of the vortex street probe empennage (1) and potting area (4) is integrally formed, wherein vortex street probe empennage (1) and potting area (4)
Shell is cylindrical structure, and wherein the diameter of the housing of potting area (4) is greater than the diameter of vortex street probe empennage (1).
5. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 1 and vortex frequency, it is characterised in that:
The potting area (4), seal off area (8) and moisture seal area (9) shell be cylindrical structure, wherein potting area (4),
Seal off area (8) and moisture seal area (9) shell be 304 stainless steels, the potting area (4), seal off area (8) and
The enclosure interior in moisture seal area (9) is filled by ceramic glue.
6. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 1 and vortex frequency, it is characterised in that:
The press seal disk (5) is cylindrical structure, and wherein the diameter of press seal disk (5) is greater than the diameter of potting area (4), the press seal disk
(5) it is set on there are two threading hole (6), two of them threading hole (6) is used for the first vortex signal line (11) and the second vortex signal
Line (12) passes through.
7. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 6 and vortex frequency, it is characterised in that:
The positioning ring (7) is fixedly welded on press seal disk (5), and wherein positioning ring (7) also is provided with two threading holes (6), wherein positioning
Two threading holes (6) on ring (7) are corresponding with two threading hole (6) positions on press seal disk (5).
8. the integrated transducer of a kind of measurement fluid temperature (F.T.) according to claim 7 and vortex frequency, it is characterised in that:
The positioning ring (7) is equipped with positioning protrusion (10) far from an end face of press seal disk (5), and wherein positioning protrusion (10) is two difference
It is set to two sides.
9. a kind of such as the integrated transducer of described in any item measurement fluid temperature (F.T.)s and vortex frequency according to claim 1 ~ 8
Measurement method, which comprises the following steps:
Integrated transducer is fixed in flowmeter bodies by step 1) using gland, wherein the positioning ring of integrated transducer
(7) it is engaged with the locating slot on gland, wherein integrated transducer is perpendicular to flowmeter bodies, while integrated transducer is installed
Behind swirl generating body；
For step 2 when fluid flows meter ontology, swirl generating body generates vortex, the vortex street probe tail of integrated transducer
The wing (1) experiences the shock of fluid whirl, vortex street probe empennage (1) by the shock of vortex pass to vortical signals detection sensor,
Temperature sensor, wherein vortical signals detection sensor detects fluid vortex frequency signal, and temperature sensor detects fluid temperature (F.T.)
Signal；
Step 3) passes through the first vortex signal line (11) and the second vortex signal line (12) for vortical signals detection sensor and temperature
The signal acquisition of degree sensor detection is transmitted to instrument and carries out processing analysis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910648322.XA CN110375813A (en) | 2019-07-18 | 2019-07-18 | A kind of integrated transducer and measurement method measuring fluid temperature (F.T.) and vortex frequency |
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|---|---|---|---|
| CN201910648322.XA CN110375813A (en) | 2019-07-18 | 2019-07-18 | A kind of integrated transducer and measurement method measuring fluid temperature (F.T.) and vortex frequency |
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| CN201910648322.XA Pending CN110375813A (en) | 2019-07-18 | 2019-07-18 | A kind of integrated transducer and measurement method measuring fluid temperature (F.T.) and vortex frequency |
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| RU195982U1 (en) * | 2019-11-12 | 2020-02-12 | Акционерное общество "Промышленная группа "Метран" | FIXING UNIT FOR VORTEX AND TEMPERATURE SENSORS IN THE FLOWING PART OF THE VORTEX FLOW METER |
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
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