CN216348866U - Vortex street flow sensor easy to disassemble and assemble - Google Patents
Vortex street flow sensor easy to disassemble and assemble Download PDFInfo
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- CN216348866U CN216348866U CN202122587013.1U CN202122587013U CN216348866U CN 216348866 U CN216348866 U CN 216348866U CN 202122587013 U CN202122587013 U CN 202122587013U CN 216348866 U CN216348866 U CN 216348866U
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Abstract
The utility model provides a vortex street flow sensor easy to disassemble and assemble, which comprises: the middle part of the pipeline is provided with a first through hole; the filtering membrane is arranged on one side, close to the inner wall of the pipeline, in the first through hole; the mounting frame is fixedly mounted on the outer side wall of the pipeline, which is provided with the first through hole; the vortex street flow sensor is arranged in the mounting frame and comprises a vortex street flow sensor probe, and the free end of the vortex street flow sensor probe extends into the first through hole; at least one fixing piece detachably connected with the mounting rack, wherein the fixing piece is configured to fix the vortex street flow sensor on the inner wall of the mounting rack. The vortex street flow sensor easy to disassemble and assemble provided by the utility model can effectively filter impurities in fluid contacting with the probe of the vortex street flow sensor, prolongs the service life of the sensor, has a simple structure and is convenient to assemble and disassemble.
Description
Technical Field
The utility model relates to the technical field of vortex street flow sensors, in particular to a vortex street flow sensor easy to disassemble and assemble.
Background
The vortex street flow sensor is a speed type flow meter which is manufactured by using a natural vibration principle of fluid and taking a piezoelectric crystal or a differential capacitor as a detection part according to a Karman vortex street theory. The device has the advantages of no movable part, wide measurement range, wide medium adaptability, high measurement precision, long verification period, long transmission signal distance, small pressure loss and the like, and can be widely applied to single-phase process metering and energy-saving management of various liquids, gases, steam and the like in the industries of petrochemical industry, urban pipeline heat supply, water supply, coal gas and the like.
Most of vortex street flow sensors are directly fixed in a mounting frame when in use, the method is inconvenient for the dismounting and mounting of the vortex street flow sensors, in addition, a probe of the vortex street flow sensor is directly contacted with fluid, impurities contained in the fluid can abrade the fluid, and after the vortex street flow sensor is used for a long time, sensor faults and inaccurate measurement can be caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a vortex street flow sensor that is easy to disassemble and assemble, so as to solve the problems mentioned in the background art.
Based on the above object, the present invention provides an easily detachable vortex street flow sensor, comprising:
the middle part of the pipeline is provided with a first through hole;
the filtering membrane is arranged on one side, close to the inner wall of the pipeline, in the first through hole;
the mounting frame is fixedly mounted on the outer side wall of the pipeline, which is provided with the first through hole;
the vortex street flow sensor is arranged in the mounting frame and comprises a vortex street flow sensor probe, and the free end of the vortex street flow sensor probe extends into the first through hole;
at least one fixing piece detachably connected with the mounting rack, wherein the fixing piece is configured to fix the vortex street flow sensor on the inner wall of the mounting rack.
Further, still include the sealing washer, the sealing washer sets up the free end of vortex street flow sensor probe with between the first through-hole.
Further, the vortex street generator comprises a guide plate and a vortex street generator body, wherein the guide plate is fixedly arranged at the input end of the pipeline, and the vortex street generator body is fixedly arranged between the guide plate and the first through hole.
Further, at least one group of grooves are formed in the mounting frame and used for supporting the fixing piece.
Further, the fixing member includes:
the inner side wall of the sleeve is provided with a rubber pad, and the sleeve is sleeved on the outer wall of the vortex street flow sensor;
the number of the flexible rods is at least two, one end of each flexible rod is connected with the sleeve, and the other end of each flexible rod is inserted into the corresponding groove.
Further, still include link and display device, the display device is fixed on the link, the link is installed the mounting bracket is kept away from the one end of pipeline.
Further, still include the supporting seat, the supporting seat is fixed on the inner wall of link.
Further, still include the converter, the converter is installed in the supporting seat, the converter with the vortex street flow sensor is connected.
Further, the vortex street flow sensor also comprises a sensor lead and a sensor body.
Further, the sensor also comprises a rubber ring, wherein the rubber ring is sleeved outside the sensor lead and fixed on the sensor body.
From the above, according to the vortex street flow sensor easy to disassemble and assemble, fluid is filtered by the filter membrane and then contacts with the vortex street flow sensor probe, so that the abrasion of impurity particles and the like on the vortex street flow sensor probe is reduced, and the service life of the vortex street flow sensor probe is prolonged; a sealing ring is arranged between the free end of the vortex street flow sensor probe and the first through hole, so that fluid can be prevented from entering the mounting frame; the mounting can be dismantled with the mounting bracket and be connected, and then the installation and the dismantlement of vortex street flow sensor in the mounting bracket of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a vortex street flow sensor easy to assemble and disassemble according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a fixing member according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a fitting structure of a vortex street flow sensor probe and a first through hole according to an embodiment of the utility model.
Reference numerals: 1. a pipeline; 2. a baffle; 3. a vortex street generator; 4. a vortex street flow sensor; 4-1, a vortex street flow sensor body; 4-2, a vortex street flow sensor probe; 5. a filtration membrane; 6. a seal ring; 7. a mounting frame; 8. a fixing member; 8-1, a ductile rod; 8-2, sleeving; 8-3, a rubber pad; 9. a rubber ring; 10. a connecting frame; 11. a converter; 12. a supporting seat; 13. a sensor wire; 14. a display device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present application belongs, unless otherwise defined. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Referring to fig. 1, the present invention provides an easily detachable vortex street flow sensor, including: the pipeline comprises a pipeline 1, wherein a first through hole is formed in the middle of the pipeline 1; the filtering membrane 5 is arranged on one side, close to the inner wall of the pipeline 1, in the first through hole; the mounting frame 7 is fixedly mounted on the outer side wall of the pipeline 1, which is provided with the first through hole; the vortex street flow sensor 4 is arranged in the mounting frame 7 and comprises a vortex street flow sensing probe 4-2, and the free end of the vortex street flow sensing probe 4-2 extends into the first through hole; at least one fixing member 8 detachably connected to the mounting frame 7, wherein the fixing member 8 is configured to fix the vortex street flow sensor 4 on the inner wall of the mounting frame 7.
Specifically, pipeline 1 middle part is equipped with first through-hole, and first through-hole sets up along pipeline 1's thickness direction, and filtration membrane 5 installs in first through-hole and is close to one side of pipeline 1 inner wall, and filtration membrane 5's lower terminal surface flushes with pipeline 1's inside wall, and filtration membrane 5 is last to have many small filtration pores, can hold back the impurity in the fluid.
In this embodiment, the thickness of the filter membrane 5 is about 4 mm.
The longitudinal section of the mounting rack 7 is of a step-shaped structure, the inside of the mounting rack is a hollow cavity, and one end, far away from the pipeline 1, of the mounting rack 7 is provided with a hole. The vortex street flow sensor 4 comprises a vortex street flow sensor body 4-1, a vortex street flow sensor probe 4-2 and a sensor lead 13. The free end of the vortex street flow sensor probe 4-2 extends into the first through hole, and a certain distance is reserved between the free end and the filtering membrane 5. The fixing piece 8 is sleeved on the outer side wall of the vortex street flow sensor 4, and two ends of the fixing piece 8 are fixed on the inner wall of the mounting frame 7.
Through the technical scheme in this embodiment, impurity in the fluid can be effectively filtered, reduce its wearing and tearing to vortex street flow sensor probe 4-2, extension vortex street flow sensor 4's life, fix vortex street flow sensor 4 on the inner wall of mounting bracket 7 through mounting 8, and then guarantee the stability of vortex street flow sensor 4 when using, guarantee measurement accuracy, in addition also convenient dismantles vortex street flow sensor 4 from mounting bracket 7.
In some embodiments, as shown in fig. 3, the easy-to-mount vortex street flow sensor further comprises a sealing ring 6, wherein the sealing ring 6 is disposed between the free end of the vortex street flow sensor probe 4-2 and the first through hole.
Specifically, the thickness of the sealing ring 6 is matched with the distance between the free end of the vortex street flow sensor probe 4-2 and the first through hole, so that fluid cannot enter the mounting frame 7.
In some embodiments, the easy-to-mount and dismount vortex street flow sensor further comprises a guide plate 2 and a vortex street generator 3, wherein the guide plate 2 is fixedly mounted at the input end of the pipeline 1, and the vortex street generator 3 is fixedly mounted between the guide plate and the first through hole.
Specifically, the guide plate 2 and the vortex street generator 3 are sequentially arranged at the input end of the pipeline 1 from front to back along the fluid direction. The vortex street generator 3 is an important component of the vortex street flow sensor 4 for flow detection, and has the function that when vortexes are generated at two sides of the vortex street generator 3, a transverse alternating lifting force perpendicular to the direction of a fluid is generated at the same time, the force acts on two sides of the vortex street flow sensor probe 4-2, so that a piezoelectric crystal in the vortex street flow sensor probe 4-2 is deformed, and the vortex street flow sensor 4 outputs an alternating charge signal with the same frequency as the vortexes.
The vortex street generating bodies 3 are all cylinders, the cross section of each vortex street generating body is generally in the shape of a cylinder, a triangular column, a rectangular column, a trapezoidal column or a T-shaped column, and vortex can be separated from the vortex street generating bodies 3 in different shapes in the length direction of the cylinders.
In this embodiment, the vortex street generator 3 is a rectangular column, and has a simple shape, and is easy to assemble, disassemble, manufacture and copy.
In some embodiments, at least one set of grooves is provided in the mounting frame 7 for supporting the fixing member 8.
Specifically, the number of the grooves of each group of grooves is two, the two grooves are arranged symmetrically on the inner wall of the mounting rack 7, and the grooves are in the shape of arc surface shallow grooves.
In this embodiment, the inner side wall of the mounting bracket 7 is provided with two sets of grooves from top to bottom, and the distance between the two sets of grooves is consistent with the distance between the two fixing pieces 8 on the vortex street flow sensor 4. The flexible rods 8-1 at the two ends of the fixing piece 8 are clamped in each group of grooves by means of the elasticity of the flexible rods.
Through the technical scheme in this embodiment, can conveniently dismouting vortex street flow sensor 4, and can not cause irreversible damage to the inner wall of mounting bracket 7 and vortex street flow sensor 4 itself.
As shown in fig. 2, in some embodiments, the fixing member 8 includes: the vortex street flow sensor comprises a sleeve 8-2, wherein a rubber pad 8-3 is arranged on the inner side wall of the sleeve 8-2, and the sleeve 8-2 is sleeved on the outer wall of the vortex street flow sensor 4; at least two flexible rods 8-1 are arranged, one end of each flexible rod 8-1 is connected with the sleeve 8-2, and the other end of each flexible rod 8-1 is inserted into the groove.
Specifically, a hole groove is formed in the center of the sleeve 8-2, the sleeve 8-2 can be cylindrical, rectangular or in any other shape, a circle of rubber pad 8-3 is arranged on the inner side wall of the hole groove, and damage to the sleeve 8-2 due to direct contact of the high-hardness devices and the vortex street flow sensor 4 is avoided. Each sleeve 8-2 is connected with at least two flexible rods 8-1, one end of each flexible rod 8-1, which is far away from the sleeve 8-2, is of a spherical structure, and the size and the shape of the spherical structure are matched with the shape and the size of the groove on the inner wall of the mounting frame 7. In order to fix the vortex flow sensor 4 on the inner wall of the mounting frame 7 more firmly, at least one fixing part 8 is respectively sleeved on the outer side wall of the vortex flow sensor body 4-1 and the outer side wall of the vortex flow sensor probe 4-2.
Furthermore, the sleeve 8-2 is rectangular, two ends of the sleeve 8-2 are respectively provided with a toughness rod 8-1, the toughness rod 8-1 is cylindrical, and one end of the toughness rod 8-1 far away from the sleeve 8-2 is spherical. The outer side walls of the vortex street flow sensor body 4-1 and the vortex street flow sensor probe 4-2 are respectively sleeved with a fixing piece 8.
In some embodiments, the easy-to-mount and easy-to-dismount vortex street flow sensor further comprises a connecting frame 10 and a display device 14, wherein the display device 14 is fixed on the connecting frame 10, and the connecting frame 10 is mounted at one end of the mounting frame 7 far away from the pipeline 1.
Specifically, the display device 14 performs a series of processes on the received data, and may display the current measured medium flow rate, the current measured medium temperature and pressure, or the total accumulated amount of the current medium flow rate.
In some embodiments, the easy-to-mount vortex street flow sensor further comprises a support base 12, and the support base 12 is fixed on the inner wall of the connecting frame 10.
Specifically, the bottom of the supporting seat 12 is provided with a hole, and the inside of the supporting seat 12 is of a hollow structure.
In some embodiments, the easy-to-mount and dismount vortex street flow sensor further comprises a converter 11, the converter 11 is mounted in the support base 12, and the converter 11 is connected with the vortex street flow sensor 4.
Specifically, the sensor wire 13 is connected to the transducer 11 through a hole in the bottom of the support base 12.
In some embodiments, the easy-to-mount and dismount vortex street flow sensor further comprises a rubber ring 9, and the rubber ring 9 is sleeved outside the sensor lead 13 and fixed on the vortex street flow sensor body 4-1.
Specifically, the rubber ring 9 is sleeved on the outer side of the sensor lead 13 on the vortex street flow sensor body 4-1, so that the root of the sensor lead 13 can be prevented from loosening or breaking, and the service life of the vortex street flow sensor 4 is prolonged.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the utility model, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides an easy vortex street flow sensor of dismouting which characterized in that includes:
the middle part of the pipeline is provided with a first through hole;
the filtering membrane is arranged on one side, close to the inner wall of the pipeline, in the first through hole;
the mounting frame is fixedly mounted on the outer side wall of the pipeline, which is provided with the first through hole;
the vortex street flow sensor is arranged in the mounting frame and comprises a vortex street flow sensor probe, and the free end of the vortex street flow sensor probe extends into the first through hole;
at least one fixing piece detachably connected with the mounting rack, wherein the fixing piece is configured to fix the vortex street flow sensor on the inner wall of the mounting rack.
2. The vortex street flow sensor of claim 1, further comprising a sealing ring disposed between the free end of the vortex street flow sensor probe and the first through hole.
3. The vortex street flow sensor easy to assemble and disassemble according to claim 1, further comprising a guide plate and a vortex street generator, wherein the guide plate is fixedly installed at the input end of the pipeline, and the vortex street generator is fixedly installed between the guide plate and the first through hole.
4. The vortex street flow sensor easy to assemble and disassemble according to claim 1, wherein at least one set of grooves is formed in the mounting frame and used for supporting the fixing member.
5. The vortex street flow sensor of claim 4, wherein the fixing member comprises:
the inner side wall of the sleeve is provided with a rubber pad, and the sleeve is sleeved on the outer wall of the vortex street flow sensor;
the number of the flexible rods is at least two, one end of each flexible rod is connected with the sleeve, and the other end of each flexible rod is inserted into the corresponding groove.
6. The vortex street flow sensor easy to disassemble and assemble according to claim 1, further comprising a connecting frame and a display device, wherein the display device is fixed on the connecting frame, and the connecting frame is installed at one end, far away from the pipeline, of the mounting frame.
7. The vortex street flow sensor easy to disassemble and assemble according to claim 6, further comprising a support seat fixed on the inner wall of the connecting frame.
8. The vortex street flow sensor easy to disassemble and assemble according to claim 7, further comprising a converter, wherein the converter is installed in the support base, and the converter is connected with the vortex street flow sensor.
9. The easy-to-disassemble and assemble vortex street flow sensor according to claim 1, wherein the vortex street flow sensor further comprises a sensor wire and a sensor body.
10. The vortex street flow sensor easy to disassemble and assemble according to claim 9, further comprising a rubber ring, wherein the rubber ring is sleeved outside the sensor wire and fixed on the sensor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587013.1U CN216348866U (en) | 2021-10-26 | 2021-10-26 | Vortex street flow sensor easy to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122587013.1U CN216348866U (en) | 2021-10-26 | 2021-10-26 | Vortex street flow sensor easy to disassemble and assemble |
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| Publication Number | Publication Date |
|---|---|
| CN216348866U true CN216348866U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122587013.1U Active CN216348866U (en) | 2021-10-26 | 2021-10-26 | Vortex street flow sensor easy to disassemble and assemble |
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| CN (1) | CN216348866U (en) |
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- 2021-10-26 CN CN202122587013.1U patent/CN216348866U/en active Active
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Address after: 300112 No. 6-6, Yan'an Road, Nankai District, Tianjin Patentee after: Tianjin Suner Technology Co.,Ltd. Address before: 300112 No. 6-6, Yan'an Road, Nankai District, Tianjin Patentee before: TIANJIN SURE INSTRUMENT SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |