CN210051374U - Vortex street flowmeter - Google Patents
Vortex street flowmeter Download PDFInfo
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- CN210051374U CN210051374U CN201921335772.5U CN201921335772U CN210051374U CN 210051374 U CN210051374 U CN 210051374U CN 201921335772 U CN201921335772 U CN 201921335772U CN 210051374 U CN210051374 U CN 210051374U
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Abstract
A vortex street flowmeter comprises a pipeline, wherein a flow sensor is arranged inside the pipeline, a display is arranged outside the pipeline, the flow sensor is connected with the display through a circuit, a first vortex street generating device and a second vortex street generating device are further arranged on the pipeline, and the first vortex street generating device is positioned on the front side of the second vortex street generating device; first vortex street generating device includes first mounting bracket, and the lateral part of first mounting bracket is equipped with first piston telescopic link, and first piston telescopic link's flexible end sets up downwards, and the bottom of the flexible end of first piston telescopic link is equipped with first vortex street generator downwards, and inside first vortex street generator passed the pipeline and extended to the pipeline, first vortex street generator and pipeline seal sliding connection. The utility model provides a vortex flowmeter compares with current vortex flowmeter, need not change vortex flowmeter, realizes the flow measurement operation of different media through the vortex generator of the different specifications on the conversion vortex flowmeter.
Description
Technical Field
The utility model belongs to the technical field of pipeline flow monitoring equipment, concretely relates to vortex flowmeter.
Background
The vortex street flowmeter measures the medium flow by using the Karman vortex street principle and is mainly used for measuring the medium flow of an industrial pipeline at present. The vortex street flowmeter mainly makes the medium generate regular vortex through a vortex generator in a pipeline of the vortex street flowmeter, and measures the vortex through a sensor to calculate the flow of the medium. The vortex shedding generators in the existing vortex shedding flowmeters are all fixed in pipelines, after the types of media in the pipelines are changed, in order to accurately measure the flow of different types of media, the vortex shedding flowmeters of the vortex shedding generators with different specifications generally need to be replaced, and particularly, when the types of the media in the pipelines are changed and the attribute difference of the changed media is larger than that of the previous media, the vortex shedding flowmeters with different specifications need to be replaced to measure different media, and the difference of the vortex shedding flowmeters with different specifications is mainly reflected in the difference of the size and the specification of the vortex shedding generators. Therefore, the vortex shedding flowmeter is designed, when the medium in the pipeline changes, the vortex shedding flowmeter does not need to be replaced, and the flow measurement requirement after the medium type in the pipeline changes can be met only by controlling a plurality of vortex shedding generators with different specifications on the vortex shedding flowmeter to change the use state, so that the technical problem to be solved at present is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vortex flowmeter compares with current vortex flowmeter, need not change vortex flowmeter, realizes the flow measurement operation of different media through the vortex generator of the different specifications on the conversion vortex flowmeter.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a vortex street flowmeter comprises a pipeline, wherein a flow sensor is arranged inside the pipeline, a display is arranged outside the pipeline, the flow sensor is connected with the display through a circuit, a first vortex street generating device and a second vortex street generating device are further arranged on the pipeline, and the first vortex street generating device is positioned on the front side of the second vortex street generating device; the first vortex street generator comprises a first mounting frame, a first piston telescopic rod is arranged on the side part of the first mounting frame, the telescopic end of the first piston telescopic rod is arranged downwards, a first vortex street generator is arranged downwards at the bottom of the telescopic end of the first piston telescopic rod, the first vortex street generator penetrates through the pipeline and extends into the pipeline, and the first vortex street generator is in sealed sliding connection with the pipeline; the second vortex street generator comprises a second mounting frame, a second piston telescopic rod is arranged on the side portion of the second mounting frame, the telescopic end of the second piston telescopic rod is arranged downwards, a second vortex street generator is arranged downwards at the bottom of the telescopic end of the second piston telescopic rod, the second vortex street generator penetrates through the pipeline and extends to the interior of the pipeline, the second vortex street generator is connected with the pipeline in a sealing and sliding mode, and the size of the first vortex street generator is larger than that of the second vortex street generator.
The pipeline is provided with an observation window.
And the first piston telescopic rod and the second piston telescopic rod are both electric push rods.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the vortex street flowmeter adopts two sets of vortex street devices, namely a first vortex street generator and a second vortex street generator, wherein the first vortex street generator on the first vortex street generator is larger than the second vortex street generator on the second vortex street generator, when the medium in the pipeline is changed and the attribute of the medium is greatly different from that of the previous medium, compared with the existing vortex street flowmeter, the vortex street flowmeter does not need to be replaced, only the vortex street generators on the first vortex street generator and the second vortex street generator need to be controlled to be changed in use state, the specific operation is that the first vortex street generator on the first vortex street generator is used before the medium in the pipeline is not changed, when the medium in the pipeline is changed and the attribute of the changed medium is greatly different from that of the previous medium, in order to accurately measure the flow rate of the other medium, the first piston telescopic link of control shrink action, upwards pack up first vortex generator, then control second piston telescopic link downward movement, with second vortex generator in the pipeline of propelling movement down, use second vortex generator to carry out the flow measurement operation to the medium of changing, compare with current vortex flowmeter, need not change vortex flowmeter, realize the flow measurement operation of different media through the vortex generator of the different specifications on the conversion vortex flowmeter.
To sum up, the utility model provides a vortex flowmeter compares with current vortex flowmeter, need not change vortex flowmeter, realizes the flow measurement operation of different media through the vortex generator of the different specifications on the conversion vortex flowmeter.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
as shown in fig. 1, a vortex shedding flowmeter comprises a pipeline 1, wherein a flow sensor 2 is arranged inside the pipeline 1, a display 3 is arranged outside the pipeline 1, the flow sensor 2 is connected with the display 3 through a line, a first vortex street generating device and a second vortex street generating device are further arranged on the pipeline 1, and the first vortex street generating device is positioned on the front side of the second vortex street generating device; the first vortex street generator comprises a first mounting frame 4, a first piston telescopic rod 5 is arranged on the side portion of the first mounting frame 4, the telescopic end of the first piston telescopic rod 5 is arranged downwards, a first vortex street generator 6 is arranged downwards at the bottom of the telescopic end of the first piston telescopic rod 5, the first vortex street generator 6 penetrates through the pipeline 1 and extends into the pipeline 1, and the first vortex street generator 6 is connected with the pipeline 1 in a sealing sliding manner; second vortex street generating device includes second mounting bracket 7, the lateral part of second mounting bracket 7 is equipped with second piston telescopic link 8, the flexible end of second piston telescopic link 8 sets up downwards, the bottom of the flexible end of second piston telescopic link 8 is equipped with second vortex street generator 9 downwards, second vortex street generator 9 passes pipeline 1 and extends to inside the pipeline 1, second vortex street generator 9 and pipeline 1 sealed sliding connection, first vortex street generator 6's size is bigger than second vortex street generator 9's size.
The pipeline 1 is provided with an observation window.
First piston telescopic link 5 and second piston telescopic link 8 are electric putter, and first piston telescopic link 5, second piston telescopic link 8 are hydraulic telescoping rod or pneumatic telescoping rod.
Adopt above-mentioned technical scheme, the utility model discloses a working process does:
the vortex street flowmeter adopts two sets of vortex street devices, namely a first vortex street generator 6 and a second vortex street generator, wherein the first vortex street generator 6 on the first vortex street generator is larger than the second vortex street generator 9 on the second vortex street generator, when the medium in the pipeline 1 is changed and the attribute difference of the medium and the prior medium is larger, compared with the existing vortex street flowmeter, the vortex street flowmeter does not need to be replaced, the vortex street generators on the first vortex street generator and the second vortex street generator only need to be controlled to be changed in use state, the specific operation is that the first vortex street generator 6 on the first vortex street generator is used before the medium in the pipeline 1 is not changed, when the medium in the pipeline 1 is changed and the attribute difference of the changed medium and the prior medium is larger, in order to accurately measure the flow rate of the other medium, the contraction action of the first piston telescopic rod 5 is controlled, the first vortex generator 6 is upwards packed, then the second piston telescopic rod 8 is controlled to downwards act, the second vortex generator 9 is downwards pushed into the pipeline 1, the second vortex generator 9 is used for carrying out flow measurement operation on the replaced medium, compared with the existing vortex flowmeter, the vortex flowmeter does not need to be replaced, and the flow measurement operation of different media is realized by converting vortex generators of different specifications on the vortex flowmeter. A plurality of vortex street generating devices can be arranged on the pipeline 1 according to actual needs so as to meet the flow measurement operation of various different media of the pipeline 1.
To sum up, the utility model provides a vortex flowmeter compares with current vortex flowmeter, need not change vortex flowmeter, realizes the flow measurement operation of different media through the vortex generator of the different specifications on the conversion vortex flowmeter.
The flow sensor 2 and the display 3 used in the present invention are conventional technologies, and their specific structures are not described in detail.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. The utility model provides a vortex flowmeter, includes the pipeline, and the inside of pipeline is equipped with flow sensor, and the outside of pipeline is equipped with the display, and flow sensor passes through the circuit to be connected its characterized in that with the display: the pipeline is also provided with a first vortex street generating device and a second vortex street generating device, and the first vortex street generating device is positioned at the front side of the second vortex street generating device; the first vortex street generator comprises a first mounting frame, a first piston telescopic rod is arranged on the side part of the first mounting frame, the telescopic end of the first piston telescopic rod is arranged downwards, a first vortex street generator is arranged downwards at the bottom of the telescopic end of the first piston telescopic rod, the first vortex street generator penetrates through the pipeline and extends into the pipeline, and the first vortex street generator is in sealed sliding connection with the pipeline; the second vortex street generator comprises a second mounting frame, a second piston telescopic rod is arranged on the side portion of the second mounting frame, the telescopic end of the second piston telescopic rod is arranged downwards, a second vortex street generator is arranged downwards at the bottom of the telescopic end of the second piston telescopic rod, the second vortex street generator penetrates through the pipeline and extends to the interior of the pipeline, the second vortex street generator is connected with the pipeline in a sealing and sliding mode, and the size of the first vortex street generator is larger than that of the second vortex street generator.
2. The vortex shedding flowmeter of claim 1, wherein: the pipeline is provided with an observation window.
3. The vortex shedding flowmeter of claim 2, wherein: and the first piston telescopic rod and the second piston telescopic rod are both electric push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335772.5U CN210051374U (en) | 2019-08-17 | 2019-08-17 | Vortex street flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335772.5U CN210051374U (en) | 2019-08-17 | 2019-08-17 | Vortex street flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN210051374U true CN210051374U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921335772.5U Active CN210051374U (en) | 2019-08-17 | 2019-08-17 | Vortex street flowmeter |
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| CN (1) | CN210051374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670392A (en) * | 2021-07-28 | 2021-11-19 | 余姚市银环流量仪表有限公司 | Vortex street flowmeter |
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2019
- 2019-08-17 CN CN201921335772.5U patent/CN210051374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670392A (en) * | 2021-07-28 | 2021-11-19 | 余姚市银环流量仪表有限公司 | Vortex street flowmeter |
| CN113670392B (en) * | 2021-07-28 | 2024-05-14 | 余姚市银环流量仪表有限公司 | Vortex street flowmeter |
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