CN210166003U - Speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel - Google Patents
Speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel Download PDFInfo
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- CN210166003U CN210166003U CN201822040767.3U CN201822040767U CN210166003U CN 210166003 U CN210166003 U CN 210166003U CN 201822040767 U CN201822040767 U CN 201822040767U CN 210166003 U CN210166003 U CN 210166003U
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- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 5
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 3
- 241001553178 Arachis glabrata Species 0.000 claims description 3
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 3
- 235000018262 Arachis monticola Nutrition 0.000 claims description 3
- 206010062767 Hypophysitis Diseases 0.000 claims description 3
- 235000020232 peanut Nutrition 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000001817 pituitary effect Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
A speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel comprises a flow channel, a transducer gland, a transducer seat, a transducer and a rubber ring. The inner side of the flow passage is a flattened double-ellipse intersecting structure. A plurality of metal commutator segments are arranged in the straight cavity in the middle of the flow passage. The transducer gland is a hollow semi-artificial pituitary structure, and a plurality of transducer compression columns are arranged in the transducer gland. After the rubber ring is installed in cooperation with the transducer, the transducer is tightly compacted and fixed in the transducer seat, and a reserved hole with the size corresponding to that of piezoelectric ceramic is reserved on the piezoelectric ceramic side of the transducer seat, so that the ultrasonic wave can conveniently enter and exit the channel. The outer part of the transducer seat is uniformly provided with a plurality of perturbation flow grids along the circumferential side, one part of the grids are vertical to the tangential direction of the circumference, and the other part of the grids form a certain angle with the central axis. And one part of the perturbation flow grid outside the transducer seat is higher than other grids and is matched and fixed with the channels reserved at the openings at the two ends of the flow channel. The utility model discloses a special-shaped runner of perturbation flow grid of specific design, even gas field distributes, becomes stable mobile state with gaseous rectification, and the good application scope of stabilizing effect is wide.
Description
Technical Field
The utility model belongs to the technical field of the metering device, especially, relate to take the ultrasonic measurement passageway of rectification, can be used to the gas table and the flowmeter of gas measurement.
Background
The ultrasonic gas flowmeter generally adopts a common circular tubular flow passage, and the professional flow field analysis shows that the flow velocity at the edge of the pipeline is higher, the flow velocity at the center is lower, so that the flow velocity difference of the common circular flow passage on the cross section is larger, the linear velocity at the center point is used for representing the velocity of each point of the whole cross section, and great measurement error can be caused during measurement.
Compared with various ultrasonic measurement paths, the opposite type is undoubtedly an installation mode with the least attenuation and the largest receiving amplitude.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a little vortex grid abnormal shape gas flow way of speed formula ultrasonic meter, when can making little velocity of flow, velocity of flow distribution is more stable, breaks the laminar flow, improves measurement accuracy.
The technical scheme is as follows:
the micro-turbulence grid special-shaped gas flow channel of the speed type ultrasonic meter comprises a flow channel, a transducer gland, a transducer seat, a transducer and a rubber ring;
the technical points are as follows:
the whole flow channel is of a left-right mirror symmetry structure, the cross section of the opening at two ends is of a peanut shape with two large ends and a small middle part, and the middle part of the flow channel is of a straight cavity structure;
the inner side of the flow channel is a flattened double-ellipse intersecting structure, and the joint is in smooth transition;
a plurality of metal commutator segments are arranged in the straight cavity in the middle of the flow passage;
the transducer gland is of a hollow semi-hypophysis-imitating structure, a plurality of transducer pressing columns are arranged in the transducer gland, a transducer wire outlet hole is formed in the upper side of the transducer gland, and clamping grooves fixed with the transducer seat are assembled on the two sides of the transducer gland;
the transducer seat is internally of a multilayer step type structure, is matched with a transducer mounting rubber ring and is tightly compacted and fixed in the transducer seat, and a reserved hole matched with piezoelectric ceramics is reserved on the piezoelectric ceramics side of the transducer seat;
a plurality of perturbation flow grids are uniformly arranged outside the transducer seat along the circumferential side, comprise a plurality of perturbation flow grids vertical to the circumferential tangential direction and a plurality of perturbation flow grids forming a certain angle with the central axis and are arranged according to corresponding rules;
the multiple perturbation flow grids outside the transducer seat comprise multiple high grids which are matched, matched and fixedly connected with channels reserved at openings at two ends of the flow channel.
The advantages are that:
the utility model discloses a to the design of gas flow measurement, it is through the special-shaped runner of the little disturbed flow grid of specific design, and even gas field distributes, and it is not high to solve ultrasonic wave gas table measurement accuracy, measures inaccurate scheduling problem. Has the advantages of convenient use, good effect, economy, strong usability, more accurate detection and the like. Can be widely applied to occasions such as families, industrial and mining, and the like.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is a front view of the flow channel.
Fig. 3 is a left side view of the flow channel.
Fig. 4 is a cross-sectional view of the flow passage along the axis.
Fig. 5 is a front view of the transducer gland.
Fig. 6 is a left side view of the transducer gland.
FIG. 7 is a cross-sectional view of the transducer gland along an axis.
Figure 8 is a front view of the transducer mount.
Fig. 9 is a left side view of the transducer mount.
Detailed Description
The micro-turbulence grid special-shaped gas flow channel comprises a flow channel 1, a transducer gland 2, a transducer seat 3, a transducer 4 and a rubber ring 5;
the whole flow channel 1 is of a left-right mirror symmetry structure, the cross section of the opening at two ends is of a peanut shape with two large ends and a small middle part, and the middle part of the flow channel 1 is of a straight cavity structure;
the inner side of the flow channel 1 is a flattened double-ellipse intersecting structure, and the joint is in smooth transition;
a plurality of metal commutator segments are arranged in the straight cavity in the middle of the flow passage 1;
the transducer gland 2 is a hollow semi-hypophysis-imitating structure, a plurality of transducer pressing columns are arranged in the transducer gland, a transducer wire outlet hole is formed in the upper side of the transducer gland, and clamping grooves fixed with the transducer seat are assembled on the two sides of the transducer gland;
the interior of the transducer seat 3 is of a multilayer step structure, the transducer seat is matched with a mounting rubber ring 5 of a transducer 4 and is tightly compacted and fixed in the transducer seat 3, and a reserved hole matched with piezoelectric ceramics is reserved on the piezoelectric ceramic side of the transducer seat 3;
a plurality of perturbation flow grids are uniformly arranged on the outer part of the transducer seat 3 along the circumferential side, and the perturbation flow grids comprise a plurality of perturbation flow grids vertical to the circumferential tangential direction and a plurality of perturbation flow grids forming a certain angle with the central axis and are arranged according to corresponding rules;
the multiple perturbation flow grids outside the transducer seat 3 comprise multiple high grids which are matched, matched and fixedly connected with channels reserved at openings at two ends of the flow channel 1.
Claims (3)
1. The micro-turbulence grid special-shaped gas flow channel of the speed type ultrasonic meter comprises a flow channel, a transducer gland, a transducer seat, a transducer and a rubber ring;
the method is characterized in that:
the whole flow channel is of a left-right mirror symmetry structure, the cross section of the opening at two ends is of a peanut shape with two large ends and a small middle part, and the middle part of the flow channel is of a straight cavity structure;
the inner side of the flow channel is a flattened double-ellipse intersecting structure, and the joint is in smooth transition;
a plurality of metal commutator segments are arranged in the straight cavity in the middle of the flow passage;
the transducer gland is of a hollow semi-hypophysis-imitating structure, a plurality of transducer pressing columns are arranged in the transducer gland, a transducer wire outlet hole is formed in the upper side of the transducer gland, and clamping grooves fixed with the transducer seat are assembled on the two sides of the transducer gland;
the transducer seat is internally of a multilayer step type structure, is matched with a transducer mounting rubber ring and is tightly compacted and fixed in the transducer seat, and a reserved hole matched with piezoelectric ceramics is reserved on the piezoelectric ceramics side of the transducer seat;
a plurality of perturbation flow grids are uniformly arranged outside the transducer seat along the circumferential side, comprise a plurality of perturbation flow grids vertical to the circumferential tangential direction and a plurality of perturbation flow grids forming a certain angle with the central axis and are arranged according to corresponding rules;
the multiple perturbation flow grids outside the transducer seat comprise multiple high grids which are matched, matched and fixedly connected with channels reserved at openings at two ends of the flow channel.
2. The turbulent grating heterotypic gas flow channel of speed formula ultrasonic meter of claim 1, characterized in that: the number of the micro-turbulence grids is 4.
3. The turbulent grating heterotypic gas flow channel of speed formula ultrasonic meter of claim 1, characterized in that: the number of the metal commutator segments is 3-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040767.3U CN210166003U (en) | 2018-12-06 | 2018-12-06 | Speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040767.3U CN210166003U (en) | 2018-12-06 | 2018-12-06 | Speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210166003U true CN210166003U (en) | 2020-03-20 |
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ID=69786889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040767.3U Active CN210166003U (en) | 2018-12-06 | 2018-12-06 | Speed type ultrasonic meter micro-turbulence grid special-shaped gas flow channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210166003U (en) |
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2018
- 2018-12-06 CN CN201822040767.3U patent/CN210166003U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220317 Address after: 110000 No. 68-d2, guizhuxiang street, Sujiatun District, Shenyang City, Liaoning Province Patentee after: Shuifa hangyuxing IOT Technology (Liaoning) Co.,Ltd. Address before: 110000 No. 6, Kaixiang Second Street, Dadong District, Shenyang City, Liaoning Province Patentee before: Guan Hongjun |