CN216350784U - Ultrasonic wave velocity of flow measuring device and outer card formula double track ultrasonic flowmeter - Google Patents
Ultrasonic wave velocity of flow measuring device and outer card formula double track ultrasonic flowmeter Download PDFInfo
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- CN216350784U CN216350784U CN202122829434.0U CN202122829434U CN216350784U CN 216350784 U CN216350784 U CN 216350784U CN 202122829434 U CN202122829434 U CN 202122829434U CN 216350784 U CN216350784 U CN 216350784U
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Abstract
The utility model relates to an ultrasonic flow velocity measuring device and an externally clamped dual-channel ultrasonic flowmeter, which comprise an ultrasonic transducer, wherein a shell is arranged outside the ultrasonic transducer, the shell comprises a shell top plate, a lead screw is arranged at the top of the ultrasonic transducer and movably sleeved on the shell top plate, a spring is sleeved on the lead screw between the shell top plate and the ultrasonic transducer, and an adjusting nut is arranged on the lead screw above the shell top plate. The corrosion and the aging of the transducer under the special working conditions of high humidity and high salinity are reduced. The utility model has convenient adjustment and use and wide market prospect.
Description
Technical Field
The utility model relates to the field of liquid flow measurement, in particular to an ultrasonic flow velocity measuring device and an external clamping type dual-channel ultrasonic flowmeter.
Background
The external-clamping ultrasonic flowmeter is mainly used for measuring the flow of liquid in a pipeline, and the sensor is arranged on the pipeline of the measured liquid and used for detecting the flow of the pipeline and sending and receiving ultrasonic signals, so that the external-clamping ultrasonic flowmeter is fast and convenient to install and does not need to cut off the flow.
Outer formula ultrasonic flowmeter transducer of pressing from both sides in market all adopts support or overcoat to fix, and support or overcoat are installed on the measuring tube, and the transducer is direct to be exposed outside like this, under special operating mode, for example the sea is this kind of humidity and the equal very high region of salinity content, and the transducer is corroded and ageing very easily to influence the life of product, also can increase the frequency that equipment repair changed simultaneously, be unfavorable for on a large scale popularization and application.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an ultrasonic flow velocity measuring device and an external clamping type dual-track ultrasonic flowmeter for reducing corrosion and aging of an energy converter under the special working conditions of high humidity and high salinity, which are used for overcoming the defects in the prior art.
The technical scheme adopted by the utility model is as follows: the utility model provides an ultrasonic wave velocity of flow measuring device, includes ultrasonic transducer, ultrasonic transducer's the outside is provided with the casing, the casing include the casing roof, ultrasonic transducer's top is provided with the lead screw, lead screw activity suit is in the casing roof on, casing roof and ultrasonic transducer between the lead screw on the cover be equipped with the spring, the lead screw of casing roof top on be provided with adjusting nut.
Preferably, the shell adopts a box-shaped structure with an opening at the bottom, the box-shaped structure is composed of a shell top plate and four shell side walls, a screw rod mounting hole is formed in the shell top plate, a threading hole is formed in one of the shell side walls, and limiting bulges are arranged at two ends of the shell.
Preferably, the lead screw mounting hole adopts an oval hole-shaped structure, the shell below the threading hole is provided with a glue injection hole, and the glue injection hole is provided with a glue injection plug.
Preferably, a sealant layer is arranged in the inner cavity of the shell at the outer side of the ultrasonic transducer.
The utility model provides an outer card formula binaural ultrasonic flowmeter, is provided with the first velocity of flow measurement group that constitutes by two first velocity of flow measurement subassemblies and the second velocity of flow measurement group that constitutes by two second velocity of flow measurement subassemblies including being surveyed the pipeline on being surveyed the pipeline, first velocity of flow measurement subassembly with second velocity of flow measurement subassembly all adopt as above arbitrary ultrasonic wave velocity of flow measuring device.
Preferably, one of the first flow rate measurement assemblies is installed at the top of a measured pipeline, a second flow rate measurement assembly is installed at the bottom of the measured pipeline below the first flow rate measurement assembly at the top of the measured pipeline, the other second flow rate measurement assembly is installed at one side of the first flow rate measurement assembly at the top of the measured pipeline, and the other first flow rate measurement assembly is installed at the bottom of the measured pipeline below the second flow rate measurement assembly at the top of the measured pipeline.
Preferably, clamp belts are arranged on the first flow rate measuring component positioned at the top of the measured pipeline and the second flow rate measuring component positioned at the bottom of the measured pipeline, and on the second flow rate measuring component positioned at the top of the measured pipeline and the first flow rate measuring component positioned at the bottom of the measured pipeline.
The utility model has the beneficial effects that:
firstly, the shell is arranged, the ultrasonic transducer is packaged in the inner cavity of the shell, the corrosion and aging speed of the ultrasonic transducer under the special working conditions of high humidity and high salinity is delayed, and the durability of the equipment is improved.
Secondly, the sealant layer is arranged in the inner cavity of the shell on the outer side of the ultrasonic transducer, so that the corrosion and aging speed of the ultrasonic transducer is further reduced, and the durability of the equipment is improved.
Finally, the screw rod is movably sleeved on the shell top plate, a spring is sleeved on the screw rod between the shell top plate and the ultrasonic transducer, and an adjusting nut is arranged on the screw rod above the shell top plate. The stability of ultrasonic transducer and the laminating of the pipeline under test is improved, and the stability of the data feedback is improved.
The utility model has the advantages of simple structure, convenient operation, ingenious design, great improvement on the working efficiency, good social and economic benefits and easy popularization and use.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a partially enlarged schematic view of detail a of fig. 2.
Detailed Description
As shown in fig. 1, 2 and 3, an ultrasonic flow velocity measuring device comprises an ultrasonic transducer 1, a housing 2 is arranged on the outer side of the ultrasonic transducer 1, the housing 2 comprises a housing top plate, a lead screw 3 is arranged at the top of the ultrasonic transducer 1, the lead screw 3 is movably sleeved on the housing top plate, a spring 4 is sleeved on the lead screw 3 between the housing top plate and the ultrasonic transducer 1, and an adjusting nut 5 is arranged on the lead screw 3 above the housing top plate.
The shell 2 is of a box-shaped structure with an opening in the bottom and composed of a shell top plate and four shell side walls, a lead screw mounting hole 6 is formed in the shell top plate, one of the shell side walls is provided with a threading hole 7, and limiting bulges 8 are arranged at two ends of the shell 2. The limiting bulge 8 adopts a U-shaped structure. The lead screw mounting hole 6 is of an oval hole-shaped structure, the outer diameter of the adjusting nut 5 is not smaller than the length of a short shaft of the lead screw mounting hole 6, the outer diameter of the adjusting nut 5 is not larger than the length of a long shaft of the lead screw mounting hole 6, a glue injection hole 9 is formed in the shell 2 below the threading hole 7, and a glue injection plug 10 is arranged on the glue injection hole 9. The rubber injection plug 10 is in threaded connection with the rubber injection hole 9.
A sealant layer 11 is arranged in the inner cavity of the shell 2 at the outer side of the ultrasonic transducer 1. The sealant layer 11 adopts BAJ-9082 sealing and pouring glue.
The utility model provides an outer card formula binaural ultrasonic flowmeter, is including being surveyed pipeline 12, is provided with the first velocity of flow measurement group that constitutes by two first velocity of flow measurement subassemblies and the second velocity of flow measurement group that constitutes by two second velocity of flow measurement subassemblies on being surveyed pipeline 12, first velocity of flow measurement subassembly with second velocity of flow measurement subassembly all adopt as above ultrasonic wave velocity of flow measuring device. One of them first velocity of flow measurement subassembly install at measured pipeline 12 top, be located measured pipeline 12 top measured pipeline 12 below on install a second velocity of flow measurement subassembly, be located measured pipeline 12's top first velocity of flow measurement subassembly's the below one side install another second velocity of flow measurement subassembly, be located measured pipeline 12 top second velocity of flow measurement subassembly's the below install another first velocity of flow measurement subassembly on 12 bottom.
The use method of the product is as follows: as shown in fig. 1, 2 and 3, since the external clamp type flowmeter is usually provided with an ultrasonic transducer on the existing pipeline to measure the flow rate, the product is realized by the ultrasonic transducer 1 in terms of measuring the flow rate, but the difference from the prior art lies in the installation process.
The complete installation process of the product is as follows: firstly, carrying out the following steps; installing the two first flow rate measurement assemblies and the two second flow rate measurement assemblies at preset positions, and smearing coupling agent between each ultrasonic transducer 1 and the pipeline 12 to be measured; then, fixing the first flow rate measuring component and the second flow rate measuring component corresponding to the upper part and the lower part of the pipeline 12 to be measured on the pipeline 12 to be measured through the clamp belt 13, completing the connection of a lead of the ultrasonic transducer 1, enabling the connected lead to penetrate out of the threading hole 7, and fixing the lead to the threading hole 7 through a rubber plug; then, screwing corresponding adjusting nuts 5 in sequence to enable each ultrasonic transducer 1 and the pipeline 12 to be detected to be tightly combined; and finally, opening the rubber injection plug 10, injecting the BAJ-9082 sealing and potting adhesive into the inner cavity of the shell 2 at a constant speed until the BAJ-9082 sealing and potting adhesive can overflow from the screw rod mounting hole 6 on the outer side of the adjusting nut 5 at a constant speed, wherein the BAJ-9082 sealing and potting adhesive is full of the inner cavity of the shell 2 at the moment, the rubber injection process is completed, and after the rubber injection process is completed, all the mounting processes of the product are completed. In the measuring process, the staff verifies according to the flow rate data fed back by the first flow rate measuring group and the flow rate data fed back by the second flow rate measuring group and obtains the average value to obtain the flow rate.
Through this embodiment, encapsulate ultrasonic transducer 1 in the inner chamber of casing 2 through casing 2 to add the encapsulating glue through the inner chamber of casing 2 in the ultrasonic transducer 1 outside and form sealant layer 11 and protected ultrasonic transducer 1, delayed ultrasonic transducer 1 by the speed corroded and ageing under the special operating mode condition of high humidity, high salinity, improved the durability of equipment.
The ultrasonic flow velocity measuring device and the external clamping type dual-channel ultrasonic flowmeter meet the requirements of workers in the field of liquid flow measurement, and have wide market prospect.
Claims (7)
1. An ultrasonic flow velocity measuring device, characterized in that: including ultrasonic transducer (1), the outside of ultrasonic transducer (1) is provided with casing (2), casing (2) including the casing roof, the top of ultrasonic transducer (1) is provided with lead screw (3), lead screw (3) activity suit is in the casing roof on, casing roof and ultrasonic transducer (1) between lead screw (3) go up the cover and be equipped with spring (4), lead screw (3) of casing roof top on be provided with adjusting nut (5).
2. The ultrasonic flow-rate measurement device according to claim 1, characterized in that: casing (2) adopt the bottom open-ended box structure of constituteing by casing roof and four casing lateral walls, the casing roof on seted up lead screw mounting hole (6), one of them the casing lateral wall on seted up through wires hole (7), all be provided with spacing arch (8) on the both ends of casing (2).
3. The ultrasonic flow rate measurement device according to claim 2, characterized in that: the lead screw mounting hole (6) adopts an oval hole-shaped structure, a glue injection hole (9) is formed in the shell (2) below the threading hole (7), and a glue injection plug (10) is arranged on the glue injection hole (9).
4. The ultrasonic flow-rate measurement device according to claim 1, characterized in that: a sealant layer (11) is arranged in the inner cavity of the shell (2) at the outer side of the ultrasonic transducer (1).
5. An external clamping type dual-track ultrasonic flowmeter is characterized in that: the ultrasonic flow rate measurement device comprises a measured pipeline (12), wherein a first flow rate measurement group consisting of two first flow rate measurement assemblies and a second flow rate measurement group consisting of two second flow rate measurement assemblies are arranged on the measured pipeline (12), and the first flow rate measurement assembly and the second flow rate measurement assembly both adopt the ultrasonic flow rate measurement device as claimed in any one of claims 1 to 4.
6. The externally ported dual channel ultrasonic flow meter of claim 5, wherein: one of them first velocity of flow measure the subassembly and install at pipeline (12) top under being measured, be located pipeline (12) top under first velocity of flow measure the below install a second velocity of flow measure the subassembly on pipeline (12) bottom under being measured, be located the top of pipeline (12) under being measured one side of first velocity of flow measure the subassembly install another second velocity of flow measure the subassembly, be located pipeline (12) top under second velocity of flow measure the below install another first velocity of flow measure the subassembly on the pipeline (12) bottom under being measured.
7. The externally ported dual channel ultrasonic flow meter of claim 6, wherein: clamping bands (13) are arranged on the first flow rate measuring component positioned at the top of the measured pipeline (12) and the second flow rate measuring component positioned at the bottom of the measured pipeline (12), and on the second flow rate measuring component positioned at the top of the measured pipeline (12) and the first flow rate measuring component positioned at the bottom of the measured pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829434.0U CN216350784U (en) | 2021-11-18 | 2021-11-18 | Ultrasonic wave velocity of flow measuring device and outer card formula double track ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122829434.0U CN216350784U (en) | 2021-11-18 | 2021-11-18 | Ultrasonic wave velocity of flow measuring device and outer card formula double track ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216350784U true CN216350784U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122829434.0U Active CN216350784U (en) | 2021-11-18 | 2021-11-18 | Ultrasonic wave velocity of flow measuring device and outer card formula double track ultrasonic flowmeter |
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| Country | Link |
|---|---|
| CN (1) | CN216350784U (en) |
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2021
- 2021-11-18 CN CN202122829434.0U patent/CN216350784U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: No.38 Bianjing road Kaifeng Henan 475000 Patentee after: KAIFENG INSTRUMENT Co.,Ltd. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: No.38 Bianjing road Kaifeng Henan 475000 Patentee before: KAIFENG INSTRUMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |