CN117804561A - Coriolis mass flowmeter sensor - Google Patents
Coriolis mass flowmeter sensor Download PDFInfo
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- CN117804561A CN117804561A CN202311830732.9A CN202311830732A CN117804561A CN 117804561 A CN117804561 A CN 117804561A CN 202311830732 A CN202311830732 A CN 202311830732A CN 117804561 A CN117804561 A CN 117804561A
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- measuring tube
- distance piece
- mass flowmeter
- coriolis mass
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- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000008093 supporting effect Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007847 structural defect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of measurement, and particularly discloses a Coriolis mass flowmeter sensor, which is characterized in that a measuring tube is provided with a distance piece set, wherein the distance piece set comprises a first distance piece and a second distance piece, the included angle between the first distance piece and the horizontal direction is a, and the included angle between the first distance piece and the second distance piece is b; the support piece is provided with an input end and an output end, the input end and the output end are respectively provided with a split body, and two ends of the measuring tube respectively penetrate into the support piece and are connected with the split bodies; the detection assembly is arranged on the measuring tube and is used for detecting the mass flow of a medium, and the mechanical property of connection between the split flow body and the measuring tube is improved by changing the split flow body structure, so that the stability and the accuracy of measurement are ensured, the specific installation position of the distance piece is changed, better measurement performance can be realized, the measurement performance and the anti-seismic performance of the sensor are improved, and the service life of the sensor is prolonged.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a Coriolis mass flowmeter sensor.
Background
The measurement of a coriolis mass flowmeter is based on the principle that a coriolis force, which is proportional to the mass flow rate, will be generated when a fluid flows in a vibrating tube. The flowmeter consists of a sensor and a transmitter. The sensor is used for detecting flow signals and mainly comprises a flow divider, a measuring tube, a drive, a detection coil, a drive and detection magnetic steel; the transducer is used for the conversion, operation and flow display of sensor driving and flow detection signals and signal output, and mainly comprises partial circuits of power supply, driving, detection, display and the like.
The key structure of the coriolis mass flowmeter sensor is a measuring tube assembly part, the measuring tube assembly of a good coriolis mass flowmeter should have symmetry of structure, material and weight, in the prior art, the measuring tube of the coriolis mass flowmeter generally adopts a U-shaped structure, two ends of the measuring tube are respectively connected with a split body, the split body is cast and formed integrally, and then the split body and the measuring tube are welded to realize connection, but because the mechanical property of a metal casting is poor, the surface quality is poor, especially the casting with a larger volume is easier to generate structural defects, adverse effects are generated on high-precision measuring instruments such as the coriolis mass flowmeter, and the applicant has the benefit that the coriolis mass flowmeter sensor is proposed.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a coriolis mass flowmeter sensor for solving the problem that the coriolis mass flowmeter sensor in the prior art has a reduced accuracy in mounting.
To achieve the above and other related objects, the present invention provides a coriolis mass flowmeter sensor comprising:
the measuring tube is provided with a distance piece group, the distance piece group comprises a first distance piece and a second distance piece, the included angle between the first distance piece and the horizontal direction is a, and the included angle between the first distance piece and the second distance piece is b;
the support piece is provided with an input end and an output end, the input end and the output end are respectively provided with a split body, and two ends of the measuring tube respectively penetrate into the support piece and are connected with the split bodies;
and the detection assembly is arranged on the measuring tube and is used for detecting the mass flow of the medium.
Optionally, the supporting piece is of a tubular structure, and the split body is fixedly connected to the input end and the output end of the supporting piece.
Optionally, the support member is provided with a connecting groove, and the measuring tube passes through the connecting groove and is fixedly connected with the split body.
Optionally, the shunt body includes the main part and sets up the shunt way in the main part, the shunt way runs through the main part sets up, the buret pass the shunt way and with main part fixed connection.
Optionally, the measuring tube includes first circular arc portion, straight tube portion and second circular arc portion, first circular arc portion and second circular arc portion pass through straight tube portion connects, first circular arc portion, straight tube portion and second circular arc portion integrated into one piece, wherein, the diameter of measuring tube is D, and the radius of first circular arc portion is R1, and the radius of second circular arc portion is R2, and R1 > 5D, R2 > 5D.
Optionally, an included angle between the axis of the straight pipe portion and the vertical direction is 5 degrees, and the inclined direction of the straight pipe portion extends from bottom to top to be close to the center of the second circular arc portion.
Optionally, the included angle a between the first spacing piece and the horizontal direction is in the range of 8 degrees or more and less than or equal to 10 degrees or less.
Optionally, the included angle b between the first distance piece and the second distance piece ranges from b to 50 degrees to a to 52 degrees.
Optionally, a housing is fixedly connected to the support member, and the measuring tube is located inside the housing.
Optionally, the detection assembly includes drive unit and detecting element, the detection is closed and is equipped with the mount pad, drive unit and detecting element all set up on the mount pad.
As described above, the coriolis mass flowmeter sensor provided by the invention has the following beneficial effects:
(1) According to the invention, the split body is connected with the supporting piece, and the two ends of the measuring tube are respectively connected with the split bodies at the two ends of the supporting piece, so that the overall size of the split body is reduced, the measuring tube can be stably connected with the split body when the split body is connected with the measuring tube, structural defects are not easy to occur when the split body is connected with the measuring tube, the integrity of the measuring tube is ensured, and the accuracy of medium measurement is improved.
(2) According to the invention, the positions of the first distance piece and the second distance piece are changed, so that the first distance piece and the horizontal direction have an included angle a, and the first distance piece and the second distance piece have an included angle b, so that the measurement accuracy can be improved during measurement.
(3) According to the invention, through the support piece, a good supporting effect can be provided for the detection tube, and meanwhile, the detection tube is protected, so that the capability of resisting external factor interference is enhanced.
Drawings
FIG. 1 shows a cross-sectional view of a structure of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 shows a cross-sectional view of a support member according to an embodiment of the present invention;
FIG. 4 is a schematic view of a measuring tube according to an embodiment of the present invention;
fig. 5 shows a cross-sectional view of a fluid separation in an embodiment of the invention.
Reference numerals illustrate:
the device comprises a support 1, an input end 101, an output end 102, a connecting groove 103, a split body 2, a split channel 201, a connecting flange 3, a measuring tube 4, a first circular arc part 401, a straight tube part 402, a second circular arc part 403, a first spacing piece 5, a second spacing piece 6, a connecting block 7, a connecting seat 8, a detecting unit 9 and a driving unit 10.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
As shown in fig. 1-5, the present invention proposes a coriolis mass flowmeter sensor.
In an exemplary embodiment, a coriolis mass flowmeter sensor includes:
the measuring tube 4 is provided with a distance piece group, the distance piece group comprises a first distance piece 5 and a second distance piece 6, the included angle between the first distance piece 5 and the horizontal direction is a, and the included angle between the first distance piece 5 and the second distance piece 6 is b;
the support piece 1 is provided with an input end 101 and an output end 102, the input end 101 and the output end 102 are respectively provided with a split body 2, and two ends of the measuring tube 4 respectively penetrate into the support piece 1 and are connected with the split body 2;
and the detection assembly is arranged on the measuring tube 4 and is used for detecting the mass flow of the medium.
In this embodiment, be connected with support 1 through dividing the fluid 2, make dividing the fluid 2 divide into two connecting pieces from an holistic large-scale foundry goods, the rethread is connected the both ends of survey pipe 4 with the reposition of redundant personnel body 2 at support 1 both ends respectively, reduced the overall dimension of reposition of redundant personnel body 2, when connecting dividing the fluid 2 and survey pipe 4, make survey pipe 4 can realize stable connection with reposition of redundant personnel body 2, be difficult for appearing structural defect when connecting, ensured survey pipe 4's integrality, improved the accuracy of medium measurement.
In this embodiment, by changing the positions of the first spacer 5 and the second spacer 6, the first spacer 5 has an included angle a with the horizontal direction, and the first spacer 5 and the second spacer 6 have an included angle b, so that the measurement accuracy of the present invention can be improved during measurement.
In this embodiment, through the support member 1, a good supporting effect can be provided for the detection tube, and meanwhile, the detection tube is protected, so that the capability of resisting external factor interference of the invention is enhanced.
In an exemplary embodiment, the support 1 is a tubular structure, and the fluid separation body 2 is fixedly connected to the input end 101 and the output end 102 of the support 1.
In this embodiment, since the split body 2 has a circular shape, the support member 1 is provided in a tubular structure so as to be connected to the split body 2.
In the present embodiment, the split bodies 2 are welded to two ends of the support member 1, wherein the left end of the support member 1 is an input end 101 and the right end is an output end 102
In this embodiment, the outer end surfaces of the split bodies 2 are each fixedly provided with a connecting flange 3, and the medium can be guided into the split bodies 2 or guided out of the split bodies 2 through the connecting flanges 3.
It should be noted that in this embodiment, the split body 2 includes a main body and a split channel 201 formed on the main body, the split channel 201 penetrates through the main body, the measuring tube 4 penetrates through the split channel 201 and is fixedly connected with the main body, the number of the split channels 201 is the same as that of the measuring tube 4, in this embodiment, the measuring tube 4 is two tubes with the same shape, therefore, the number of the split channels 201 is two as well, and if the number of the measuring tube 4 is a single, the number of the split channels 201 is also a single.
In an exemplary embodiment, the support 1 is provided with a connecting slot 103, through which connecting slot 103 the measuring tube 4 is fixedly connected to the separating body 2.
In this embodiment, through the connecting groove 103, both ends of the measuring tube 4 can enter the supporting member 1 and then be connected with the split body 2.
Illustratively, in the present embodiment, the connecting groove 103 is formed in an elliptical shape, which communicates with the inner space of the support 1 and is capable of accommodating the measuring tube 4 therethrough.
It should be noted that the number of the connecting grooves 103 in the present embodiment is two, so that both ends of the measuring tube 4 enter the supporting member 1.
In an exemplary embodiment, the measuring tube 4 includes a first circular arc portion 401, a straight tube portion 402, and a second circular arc portion 403, the first circular arc portion 401 and the second circular arc portion 403 are connected by the straight tube portion 402, the first circular arc portion 401, the straight tube portion 402, and the second circular arc portion 403 are integrally formed, wherein the diameter of the measuring tube 4 is D, the radius of the first circular arc portion 401 is R1, the radius of the second circular arc portion 403 is R2, and the relationship between R1 and R2 and D is: r1 > 5D and R2 > 5D.
In this embodiment, because the relationship between the radius R1 of the first arc portion 401, the radius R2 of the second arc portion 403 and the diameter of the detection tube has the relationship of R1 > 5D and R2 > 5D, the bending deformation of the steel tube is ensured to be small, and meanwhile, the steel tube has good fluxion, the influence of fluid fluctuation on the vibration of the measurement tube 4 is reduced, the conventional detection tube adopts a U-shaped right-angle structure, and the medium is subjected to resistance at the position from flowing to the corner, thereby affecting the circulation performance of the medium.
In an exemplary embodiment, the axis of the straight tube portion 402 forms an angle of 5 ° with the vertical direction, and the inclined direction of the straight tube portion 402 extends from bottom to top near the center of the second circular arc portion 403.
In this embodiment, since the axis of the straight tube portion 402 has an included angle with the vertical direction, and the inclination direction defining the included angle is inclined from top to bottom outwards as shown in fig. 1 and 4, when the present invention is vertically installed (rotated 90 ° clockwise or counterclockwise in fig. 1), when the medium stops flowing, the medium flows to the split body 2 at the output end 102 due to the gravity of the medium itself, so that the sensor has a certain self-emptying capability, and the deposition of the medium is prevented.
In an exemplary embodiment, the angle a of the first distance piece 5 to the horizontal direction ranges from 8 deg. to 10 deg., preferably 9 deg., and the angle b between the first distance piece 5 and the second distance piece 6 ranges from 50 deg. to 52 deg., preferably 51 deg..
In the embodiment, the installation position (angle a, b) of the distance piece has a great influence on the vibration resistance of the whole measuring component, and the influence of the simulation test distance piece on the medium flow in a certain range is used for obtaining that the included angle a between the first distance piece 5 and the horizontal direction is more than or equal to 8 degrees and less than or equal to 10 degrees, the optimal angle is 9 degrees, the included angle b between the first distance piece 5 and the second distance piece 6 is more than or equal to 50 degrees and less than or equal to 52 degrees, and the optimal angle is 51 degrees.
In an exemplary embodiment, a housing is fixedly connected to the support 1, and the measuring tube 4 is located inside the housing.
In the present embodiment, the connecting blocks 7 are symmetrically welded to the support member 1 after the measuring tube 4 is mounted, and the cover is welded to the connecting blocks 7 to protect the measuring tube 4 inside.
In an exemplary embodiment, the detection assembly comprises a driving unit 10 and a detection unit 9, the detection switch is provided with a mounting seat, and the driving unit 10 and the detection unit 9 are arranged on the mounting seat.
In this embodiment, the connecting seat 8 is used for connecting the driving unit 10 and the detecting unit 9, the driving unit 10 is an excitation unit, and the detecting unit 9 is a vibration pickup unit, so as to realize a corresponding detecting function.
Illustratively, the connecting seat 8 of the present embodiment is welded to the bottom of the support 1.
Illustratively, the mounting is welded to the vibrating tube, and both the drive unit 10 and the detection unit 9 are mounted to the vibrating tube via the mounting to perform the corresponding functions.
In summary, according to the invention, by changing the structure of the split fluid 2, the mechanical property of the split fluid 2 connected with the measuring tube 4 is improved, the stability and accuracy of measurement are ensured, and the specific installation position of the distance piece is changed, so that better measurement performance can be realized, the measurement performance and the anti-seismic performance of the sensor are improved, and the service life of the sensor is prolonged.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A coriolis mass flowmeter sensor comprising:
the measuring tube is provided with a distance piece group, the distance piece group comprises a first distance piece and a second distance piece, the included angle between the first distance piece and the horizontal direction is a, and the included angle between the first distance piece and the second distance piece is b;
the support piece is provided with an input end and an output end, the input end and the output end are respectively provided with a split body, and two ends of the measuring tube respectively penetrate into the support piece and are connected with the split bodies;
and the detection assembly is arranged on the measuring tube and is used for detecting the mass flow of the medium.
2. The coriolis mass flowmeter sensor of claim 1, wherein: the supporting piece is of a tubular structure, and the split body is fixedly connected with the input end and the output end of the supporting piece.
3. The coriolis mass flowmeter sensor of claim 2, wherein: the support piece is provided with a connecting groove, and the measuring tube penetrates through the connecting groove and is fixedly connected with the split body.
4. The coriolis mass flowmeter sensor of claim 3, wherein: the shunt body comprises a main body and a shunt channel arranged on the main body, the shunt channel penetrates through the main body, and the measuring tube penetrates through the shunt channel and is fixedly connected with the main body.
5. The coriolis mass flowmeter sensor of claim 1, wherein: the measuring tube comprises a first arc part, a straight tube part and a second arc part, wherein the first arc part and the second arc part are connected through the straight tube part, the first arc part, the straight tube part and the second arc part are integrally formed, the diameter of the measuring tube is D, the radius of the first arc part is R1, the radius of the second arc part is R2, and the relation between R1 and R2 and D is: r1 > 5D and R2 > 5D.
6. The coriolis mass flowmeter sensor of claim 5, wherein: the included angle between the axis of the straight pipe part and the vertical direction is 5 degrees, and the inclined direction of the straight pipe part extends from bottom to top to be close to the center of the second circular arc part.
7. The coriolis mass flowmeter sensor of claim 1, wherein: the included angle a between the first spacing piece and the horizontal direction is more than or equal to 8 degrees and less than or equal to 10 degrees.
8. The coriolis mass flowmeter sensor of claim 7, wherein: the included angle b between the first spacing piece and the second spacing piece is in the range of b being more than or equal to 50 degrees and less than or equal to 52 degrees.
9. The coriolis mass flowmeter sensor of claim 1, wherein: and the support piece is fixedly connected with an outer cover, and the measuring tube is positioned inside the outer cover.
10. The coriolis mass flowmeter sensor of claim 1, wherein: the detection assembly comprises a driving unit and a detection unit, the detection switch is provided with a mounting seat, and the driving unit and the detection unit are both arranged on the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830732.9A CN117804561A (en) | 2023-12-27 | 2023-12-27 | Coriolis mass flowmeter sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311830732.9A CN117804561A (en) | 2023-12-27 | 2023-12-27 | Coriolis mass flowmeter sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117804561A true CN117804561A (en) | 2024-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311830732.9A Pending CN117804561A (en) | 2023-12-27 | 2023-12-27 | Coriolis mass flowmeter sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117804561A (en) |
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2023
- 2023-12-27 CN CN202311830732.9A patent/CN117804561A/en active Pending
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