CN220982348U - Vortex shedding flowmeter with bidirectional flow function - Google Patents
Vortex shedding flowmeter with bidirectional flow function Download PDFInfo
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- CN220982348U CN220982348U CN202323196737.9U CN202323196737U CN220982348U CN 220982348 U CN220982348 U CN 220982348U CN 202323196737 U CN202323196737 U CN 202323196737U CN 220982348 U CN220982348 U CN 220982348U
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- connecting pipe
- vortex shedding
- indication arrow
- shedding flowmeter
- indicating
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a vortex shedding flowmeter with a bidirectional flow function, which relates to the technical field of vortex shedding flowmeters and comprises a pipe body and an instrument device arranged at the pipe body, wherein a partition plate is arranged in the pipe body, the partition plate divides the inside of the pipe body into a first channel and a second channel, a first triangular column connected with the inner wall of the pipe body is arranged at the bottom of the partition plate, a second triangular column connected with the inner wall of the pipe body is arranged at the top of the partition plate, the protruding ends of the first triangular column and the second triangular column are opposite, a first connecting pipe and a second connecting pipe are respectively arranged at two ends of the pipe body, a first connecting flange is arranged at the end part of the first connecting pipe, and a second connecting flange is arranged at the end part of the second connecting pipe. The utility model can realize the bidirectional flow function of the vortex shedding flowmeter, thereby widening the application range of the flowmeter, and can also perform bidirectional metering at the same position, thereby ensuring the accuracy of data and reducing errors.
Description
Technical Field
The utility model relates to the technical field of vortex shedding flowmeters, in particular to a vortex shedding flowmeter with a bidirectional flow function.
Background
The vortex street flowmeter is a new type flowmeter developed based on karman vortex street principle. Each vortex shedding flowmeter has a triangular column installed in the center of the pipeline, the triangular column is an obstacle for the flow field, and a piezoelectric sensor for recording the slightest pressure difference generated by flowing fluid is arranged at the downstream of the triangular column. If the fluid does not flow, it will not generate eddies, which will gradually form eddies downstream of the triangular posts once the fluid starts to flow and reaches a certain flow rate, these eddies are alternately separated on both sides of the triangular posts and carried away by the fluid, at which time high and low pressure areas are formed downstream of the triangular posts, so that a phenomenon called "karman vortex street" occurs. These pressure differences are exactly matched to the frequency of the passing vortices and are accurately measured by a piezoelectric sensor, the distance between two successive vortices corresponding to a specific volume of fluid. Thus, counting the eddies that pass can calculate the total flow.
The existing vortex shedding flowmeter only has unidirectional metering performance, when a pipeline needing to be installed in a bidirectional metering mode is encountered, a second reverse vortex shedding flowmeter is installed at different positions of the pipeline, so that in the installation process, the cost is greatly increased, a certain installation difficulty is also increased, and meanwhile, due to the fact that the installation positions of the two vortex shedding flowmeters are different, certain errors exist in detected data, and the follow-up use of the data is affected.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a vortex shedding flowmeter with a bidirectional flow function. The bidirectional flow meter has the advantages that the bidirectional flow function of the vortex shedding flowmeter can be realized by the baffle plate, the first baffle plate and the second baffle plate, so that the application range of the flowmeter is widened, bidirectional metering can be performed at the same position, and the accuracy of data is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a vortex shedding flowmeter with two-way flow function, includes the body, installs instrument of body department, the inside of body is provided with the baffle, the baffle will the inside of body is cut apart into first passageway, second passageway, the bottom of baffle be provided with the first triangular prism that the body inner wall is connected, the top of baffle be provided with the second triangular prism that the body inner wall is connected, first triangular prism is opposite with the protruding end of second triangular prism, the both ends of body are provided with first connecting pipe, second connecting pipe respectively, the tip of first connecting pipe is provided with first flange, the tip of second connecting pipe is provided with second flange, the other end of first connecting pipe is provided with first baffle, the other end of second connecting pipe is provided with the second baffle, first baffle and second baffle can be simultaneously with one of them passageway or second passageway airtight.
The technical scheme is as follows: therefore, the bidirectional flow function can be realized, and the applicability of the vortex shedding flowmeter is ensured.
The utility model is further characterized in that a bearing is arranged at the joint of the first connecting pipe and the first connecting flange, and a bearing is arranged at the joint of the second connecting pipe and the second connecting flange.
The utility model is further arranged that the inner walls of the two ends of the pipe body are respectively provided with an annular track, the first connecting pipe and the second connecting pipe are respectively provided with an annular slide rail matched with the annular tracks, and the annular slide rails are closely abutted with the annular tracks.
The technical scheme is as follows: therefore, tightness after connection is guaranteed, and accuracy of monitoring results is guaranteed.
The utility model is further arranged that the first connecting pipe is provided with a plurality of first indicating arrows and a plurality of second indicating arrows, the second connecting pipe is provided with a plurality of third indicating arrows and a plurality of fourth indicating arrows, the first indicating arrows are consistent with the indicating directions of the third indicating arrows, and the second indicating arrows are consistent with the indicating directions of the fourth indicating arrows.
The technical scheme is as follows: thereby being beneficial to observing the flow direction of the fluid in the pipe and the installation condition of the connecting pipe.
The utility model is further arranged that the number of each of the first indication arrow, the second indication arrow, the third indication arrow and the fourth indication arrow is not less than 2.
The utility model is further arranged that the first indication arrow and the third indication arrow are opposite to the indication directions of the second indication arrow and the fourth indication arrow.
The technical scheme is as follows: thereby more facilitating discrimination of the flow direction of the fluid.
The utility model is further arranged that when the first indication arrow and the third indication arrow are positioned above the second indication arrow and the fourth indication arrow, the direction indicated by the first indication arrow and the third indication arrow is a first flow direction of the fluid in the pipe body; when the second indicating arrow and the fourth indicating arrow are positioned above the first indicating arrow and the third indicating arrow, the direction indicated by the second indicating arrow and the fourth indicating arrow is a second flow direction of the fluid in the pipe body.
The utility model is further arranged such that said first flow direction occurs in said first channel and said second flow direction occurs in said second channel.
The utility model is further arranged that tooth grooves are formed in the first connecting pipe and the second connecting pipe.
The utility model is further arranged such that the tooth slot is capable of engaging a wrench.
The technical scheme is as follows: thereby being more convenient for the installation and the disassembly of the connecting pipe.
The beneficial effects of the utility model are as follows:
1. This a vortex shedding flowmeter for having two-way flow function is through being provided with baffle, first baffle, second baffle to can realize the two-way flow function of vortex shedding flowmeter, thereby widen the application scope of flowmeter, and can also carry out two-way measurement in same position, thereby ensured the accuracy of data, reduced the error.
2. The vortex shedding flowmeter with the bidirectional flow function is provided with the plurality of indication arrows, so that the flow direction of fluid in a restaurant can be more favorably distinguished, and the accuracy of a detection result is ensured.
3. The vortex shedding flowmeter with the bidirectional flow function is provided with the tooth grooves, so that the connecting pipe is convenient to install and detach.
Drawings
FIG. 1 is a schematic diagram of a combined structure of a vortex shedding flowmeter with bidirectional flow function according to the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a vortex shedding flowmeter with bidirectional flow function according to the present utility model;
FIG. 3 is a schematic side view of a vortex shedding flowmeter with bi-directional flow function according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a vortex shedding flowmeter with bi-directional flow function according to the present utility model;
fig. 5 is a schematic diagram of a part of the structure of a vortex shedding flowmeter with a bidirectional flow function according to the present utility model.
In the figure: 1. a tube body; 2. a meter device; 3. a first connection pipe; 4. a second connection pipe; 5. a first connection flange; 6. a second connection flange; 7. tooth slots; 8. an annular slide rail; 9. a first indication arrow; 10. a second indicated arrow; 11. a first baffle; 12. a third indicated arrow; 13. a fourth indicated arrow; 14. a second baffle; 15. a first triangular post; 16. a second triangular post; 17. a partition plate; 18. an endless track.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 5, a vortex shedding flowmeter with bidirectional flow function comprises a pipe body 1 and a meter 2 installed at the pipe body 1, wherein a partition 17 is arranged in the pipe body 1, the partition 17 divides the inside of the pipe body 1 into a first channel and a second channel, a first triangular column 15 connected with the inner wall of the pipe body 1 is arranged at the bottom of the partition 17, a second triangular column 16 connected with the inner wall of the pipe body 1 is arranged at the top of the partition 17, the first triangular column 15 is opposite to the protruding end of the second triangular column 16, a first connecting pipe 3 and a second connecting pipe 4 are respectively arranged at two ends of the pipe body 1, a first connecting flange 5 is arranged at the end part of the first connecting pipe 3, a second connecting flange 6 is arranged at the end part of the second connecting pipe 4, a first baffle 11 is arranged at the other end of the first connecting pipe 3, a second baffle 14 is arranged at the other end of the second connecting pipe 4, and the first baffle 11 and the second baffle 14 can seal one of the first channel or the second channel at the same time.
Specifically, the inner walls of the two ends of the pipe body 1 are respectively provided with an annular track 18, the positions of the first connecting pipe 3 and the second connecting pipe 4 are respectively provided with an annular slide rail 8 matched with the annular track 18, the annular slide rails 8 are closely abutted with the annular tracks 18, the positions of the first connecting pipe 3 are respectively provided with a plurality of first indicating arrows 9 and a plurality of second indicating arrows 10, the positions of the second connecting pipe 4 are respectively provided with a plurality of third indicating arrows 12 and a plurality of fourth indicating arrows 13, the indicating directions of the first indicating arrows 9 and the second indicating arrows 10 are respectively consistent with the indicating directions of the fourth indicating arrows 13, the number of the first indicating arrows 9, the number of the third indicating arrows 12 and the number of the fourth indicating arrows 13 are respectively not less than 2, and the indicating directions of the first indicating arrows 9, the third indicating arrows 12 are respectively opposite to the indicating directions of the second indicating arrows 10 and the fourth indicating arrows 13.
When the first indication arrow 9 and the third indication arrow 12 are positioned above the second indication arrow 10 and the fourth indication arrow 13, the directions indicated by the first indication arrow 9 and the third indication arrow 12 are the first flow direction of the fluid in the pipe body 1; when the second indication arrow 10 and the fourth indication arrow 13 are located above the first indication arrow 9 and the third indication arrow 12, the directions indicated by the second indication arrow 10 and the fourth indication arrow 13 are the second flow direction of the fluid in the pipe body 1, the first flow direction occurs in the first channel, the second flow direction occurs in the second channel, and tooth grooves 7 are formed at the positions of the first connecting pipe 3 and the second connecting pipe 4.
Working principle: when the device is used, the first connecting pipe 3 and the second connecting pipe 4 are connected with the pipe body 1, tight connection between the first connecting pipe 3 and the pipe body and between the second connecting pipe 4 and the pipe body 1 is ensured, then the pipe body 1 is installed at a position required to be detected through the first connecting flange 5 and the second connecting flange 6, then the positions of the first baffle 11 and the second baffle 14 are changed through rotating the first connecting pipe 3 and the second connecting pipe 6, meanwhile, the first baffle 11 and the second baffle 14 can seal one channel in the pipe body 1, and the fluid flow direction in the channel is consistent with the indication direction of an indication arrow at the positions of the first connecting pipe 3 and the second connecting pipe 4; when the detection of the opposite direction is needed, the detection of the opposite direction can be easily realized only by rotating the connecting pipe by 180 degrees.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a vortex shedding flowmeter with two-way flow function, includes body (1), installs instrument (2) of body (1) department, a serial communication port, the inside of body (1) is provided with baffle (17), baffle (17) will the inside of body (1) is cut apart into first passageway, second passageway, the bottom of baffle (17) be provided with body (1) inner wall connection's first triangular prism (15), the top of baffle (17) be provided with body (1) inner wall connection's second triangular prism (16), first triangular prism (15) are opposite with the protruding end of second triangular prism (16), the both ends of body (1) are provided with first connecting pipe (3), second connecting pipe (4) respectively, the tip of first connecting pipe (3) is provided with first flange (5), the tip of second connecting pipe (4) be provided with second flange (6), the other end of first connecting pipe (3) be provided with second baffle (14) can be provided with in the second passageway (14) simultaneously with one of them baffle (14).
2. The vortex shedding flowmeter with the bidirectional flow function according to claim 1, wherein annular tracks (18) are formed on inner walls of two ends of the pipe body (1), annular sliding rails (8) matched with the annular tracks (18) are formed at the first connecting pipe (3) and the second connecting pipe (4), and the annular sliding rails (8) are tightly abutted with the annular tracks (18).
3. A vortex shedding flowmeter with a bidirectional flow function according to claim 1, characterized in that the first connecting pipe (3) is provided with a plurality of first indicating arrows (9) and a plurality of second indicating arrows (10), the second connecting pipe (4) is provided with a plurality of third indicating arrows (12) and a plurality of fourth indicating arrows (13), the first indicating arrows (9) are consistent with the indicating directions of the third indicating arrows (12), and the second indicating arrows (10) are consistent with the indicating directions of the fourth indicating arrows (13).
4. A vortex shedding flowmeter with bi-directional flow according to claim 3, characterized in that the number of each of the first (9), second (10), third (12) and fourth (13) indicator arrows is not less than 2.
5. A vortex shedding flowmeter with bi-directional flow according to claim 4, characterized in that the first (9) and third (12) pointing arrows are opposite to the second (10) and fourth (13) pointing arrows.
6. The vortex shedding flowmeter with the bidirectional flow function according to claim 5, characterized in that when the first indication arrow (9) and the third indication arrow (12) are positioned above the second indication arrow (10) and the fourth indication arrow (13), the directions indicated by the first indication arrow (9) and the third indication arrow (12) are the first flow direction of the fluid in the pipe body (1); when the second indication arrow (10) and the fourth indication arrow (13) are positioned above the first indication arrow (9) and the third indication arrow (12), the direction indicated by the second indication arrow (10) and the fourth indication arrow (13) is the second flow direction of the fluid in the pipe body (1).
7. The vortex shedding flowmeter with bi-directional flow capability of claim 6, wherein the first flow direction occurs within the first channel and the second flow direction occurs within the second channel.
8. Vortex shedding flowmeter with bi-directional flow function according to claim 7, characterized in that the first connecting pipe (3) and the second connecting pipe (4) are provided with tooth slots (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323196737.9U CN220982348U (en) | 2023-11-24 | 2023-11-24 | Vortex shedding flowmeter with bidirectional flow function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323196737.9U CN220982348U (en) | 2023-11-24 | 2023-11-24 | Vortex shedding flowmeter with bidirectional flow function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982348U true CN220982348U (en) | 2024-05-17 |
Family
ID=91041504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323196737.9U Active CN220982348U (en) | 2023-11-24 | 2023-11-24 | Vortex shedding flowmeter with bidirectional flow function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982348U (en) |
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2023
- 2023-11-24 CN CN202323196737.9U patent/CN220982348U/en active Active
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