CN212432247U - Plug-in type gas ultrasonic flowmeter - Google Patents
Plug-in type gas ultrasonic flowmeter Download PDFInfo
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- CN212432247U CN212432247U CN202021061293.1U CN202021061293U CN212432247U CN 212432247 U CN212432247 U CN 212432247U CN 202021061293 U CN202021061293 U CN 202021061293U CN 212432247 U CN212432247 U CN 212432247U
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Abstract
A plug-in type gas ultrasonic flowmeter comprises a connecting assembly and a flowmeter body, wherein the connecting assembly is connected with the flowmeter body through welding, an integrating instrument connecting seat is arranged above the connecting assembly, a pressure sensor is arranged on one side inside the connecting assembly, a sensor fixing seat is arranged below the pressure sensor, a temperature sensor is arranged on the other side of the connecting assembly, a pipeline fixing seat is arranged below the integrating instrument connecting seat, the integrating instrument connecting seat and the pipeline fixing seat are fixed through an adjusting fixing flange, an extension section is arranged inside the pipeline fixing seat, the flowmeter body is arranged below the connecting assembly, a sealing assembly for sealing is arranged at the upper end of the flowmeter body, an ultrasonic sensor is arranged inside the flowmeter body, the ultrasonic sensor is fixed through a compression nut, a rectifier is arranged on one side of the flowmeter, the lower end of the flowmeter is also provided with an ultrasonic sensor which is fixed through a compression nut and sealed through a sealing cover.
Description
Technical Field
The utility model relates to an ultrasonic flowmeter field especially relates to a bayonet gaseous ultrasonic flowmeter suitable for heavy-calibre.
Background
The ultrasonic flowmeter is a new flowmeter developed in recent years, and although the ultrasonic metering concept is proposed earlier, the application of the ultrasonic flowmeter is promoted by the rapid development of integrated circuits after the 70 s of the 20 th century with real breakthrough progress. The natural gas industry in China is in a period of high development, and the gas ultrasonic flow meter has the following unique advantages: the natural gas flow meter has the advantages of no pressure loss, wide flow range, low flow lower limit, high pressure resistance and the like, and is favored by a large number of natural gas users.
An important factor influencing the metering accuracy of the ultrasonic flowmeter is the influence of the fluid state of the fluid, the ultrasonic metering principle is mainly time difference method metering, the purpose of measuring the gas flow is realized by measuring the speed of sound waves propagating in the fluid, the existence of a valve, a space elbow, a reducing pipe and the like in a pipeline causes the instability of a flow field, and complex and variable flow field ghost images such as secondary flow and the like exist to influence the propagation of the sound waves, so that the metering accuracy is influenced. The large-caliber gas ultrasonic flowmeter needs to be provided with a plurality of sensor channels, and performs weighted average calculation on data acquired by each channel, so that the large-caliber gas ultrasonic flowmeter is close to the real average flow rate of a pipeline, has a complex structure, large calculation amount, high cost and inconvenient field installation. Therefore, the plug-in type structural design is carried out, the structure is simple, the installation is convenient, the calculated amount is saved, the metering performance can be ensured, and the great innovation is realized.
SUMMERY OF THE UTILITY MODEL
【1】 Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide a bayonet ultrasonic flowmeter suitable for heavy-calibre can be applicable to multiple bore, and is small, simple structure, and simple to operate saves the cost, and measurement accuracy is high.
【2】 Technical scheme for solving problems
In order to solve the above problem, the utility model provides a following technical scheme:
an inserted gas ultrasonic flowmeter comprises a connecting assembly and a flowmeter body, wherein an integrating instrument connecting seat is arranged above the connecting assembly, a pressure sensor is arranged on one side inside the connecting assembly, a sensor fixing seat for reinforcement is arranged below the pressure sensor, a temperature sensor is arranged on the other side of the connecting assembly, a pipeline fixing seat is arranged below the integrating instrument connecting seat, the integrating instrument connecting seat and the pipeline fixing seat are fixed through a regulating fixing flange, an extension section is arranged inside the pipeline fixing seat, a flowmeter body is arranged below the connecting assembly, a sealing assembly for sealing is arranged at the upper end of the flowmeter body, an ultrasonic sensor is arranged inside the flowmeter body and fixed through a compression nut, a rectifier is arranged on one side of the flowmeter body, and an ultrasonic sensor is also arranged at the lower end of the flowmeter body, the lower part of the device is sealed by a sealing cover.
Still further compared with the scheme, the connecting assembly is connected with the flowmeter body through welding.
Further compared with the scheme, the rectifier is in a honeycomb shape.
Compared with the scheme, the rectifier is further fixed on one side of the flowmeter body through screws. Compare above-mentioned scheme further, the sensor fixing base divide into pressure sensor fixing base and temperature sensor fixing base.
【3】 Advantageous effects
The utility model discloses simple structure is compact, and the installation is maintained conveniently, is particularly useful for the heavy-calibre pipeline, need not the multichannel design, saves the cost, and the measurement is accurate, can be according to different pipe diameter adjustment depth of insertion.
Drawings
FIG. 1 is a view of the present invention in conjunction with a pipeline;
FIG. 2 is a cross-sectional view of the present invention in conjunction with a pipeline;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a side view of the present invention in cooperation with a pipeline.
Detailed Description
The invention will be further described with reference to specific embodiments, but the scope of the invention is not limited thereto.
The utility model discloses a bayonet gaseous ultrasonic flowmeter.
The device comprises a connecting assembly 1 and a flowmeter body 2, wherein the connecting assembly 1 is in threaded connection with the flowmeter body 2, an integrating instrument connecting seat 3 is arranged above the connecting assembly 1, a sensor fixing seat 4 for reinforcement is arranged on one side inside the connecting assembly 1, the sensor fixing seat 4 is in threaded connection with the integrating instrument connecting seat 3, a pressure sensor 14 and a temperature sensor 5 are arranged on the sensor fixing seat 4, a pipeline fixing seat 6 is arranged below the integrating instrument connecting seat 3, the integrating instrument connecting seat 3 and the pipeline fixing seat 6 are fixed through a flange 7, the adjusting flange 7 is a movable flange, an extension section 8 is arranged inside the pipeline fixing seat 6, the extension section 8 is connected with the sensor fixing seat 4 through bolts, and the length of the extension section 8 can be adjusted according to the diameter of a pipeline and the insertion depth, the flow meter connecting section 15 is arranged below the extension section 8, the flow meter connecting section 15 is a bent pipe, and the bending angle of the bent pipe of the flow meter connecting section 15 is adjustable.
The utility model discloses in the case implementation, at first will flowmeter body 2 with flowmeter linkage segment 15 links to each other, will again flowmeter linkage segment 15 with extension segment 8 is connected, will again extension segment 8 with sensor fixing base 4 is connected, will again sensor fixing base 4 with the integrating instrument fixing base is connected, constitutes a whole subassembly promptly insertion assembly 3 more. And welding the pipeline fixing seat on the holed pipeline, inserting the inserting assembly 3 into the pipeline to enable the central line of the flow channel of the flowmeter body to be coincident with the central line of the pipeline, adjusting the adjusting flange 7, and fixing the adjusting flange and the pipeline fixing seat 4 through bolts.
The ultrasonic flowmeter is a new flowmeter developed in recent years, and although the ultrasonic metering concept is proposed earlier, the application of the ultrasonic flowmeter is promoted by the rapid development of integrated circuits after the 70 s of the 20 th century with real breakthrough progress. The natural gas industry in China is in a period of high development, and the gas ultrasonic flowmeter has unique advantages: has no pressure loss, wide flow range, low lower flow limit, high pressure resistance and the like
An important factor influencing the metering accuracy of the ultrasonic flowmeter is the influence of the fluid state of the fluid, the ultrasonic metering principle is mainly time difference method metering, the purpose of measuring the gas flow is realized by measuring the speed of sound waves propagating in the fluid, the existence of a valve, a space elbow, a reducing pipe and the like in a pipeline causes the instability of a flow field, and complex and variable flow field ghost images such as secondary flow and the like exist to influence the propagation of the sound waves, so that the metering accuracy is influenced. The large-caliber gas ultrasonic flowmeter needs to be provided with a plurality of sensor channels, and performs weighted average calculation on data acquired by each channel, so that the large-caliber gas ultrasonic flowmeter is close to the real average flow rate of a pipeline, has a complex structure, large calculation amount, high cost and inconvenient field installation. Therefore, the plug-in type structural design is carried out, the structure is simple, the installation is convenient, the calculated amount is saved, the metering performance can be ensured, and the great innovation is realized.
Compared with the prior art, the utility model discloses simple structure is compact, and the installation is maintained conveniently, is particularly useful for the heavy-calibre pipeline, need not the multichannel design, saves the cost, and the measurement is accurate, can be according to different pipe diameter adjustment insertion depth.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (5)
1. The utility model provides a bayonet gaseous ultrasonic flowmeter, its characterized in that, includes coupling assembling (1) and flowmeter body (2), coupling assembling (1) top is equipped with integrating instrument connecting seat (3), coupling assembling (1) inside one side is equipped with pressure sensor (14), pressure sensor (14) below is equipped with and is used for reinforced (rfd) sensor fixing base (4), coupling assembling (1) opposite side is provided with temperature sensor (5), integrating instrument connecting seat (3) below is equipped with pipeline fixing base (6), integrating instrument connecting seat (3) are fixed through adjusting mounting flange (7) with pipeline fixing base (6), pipeline fixing base (6) inside is equipped with extension section (8), coupling assembling (1) below is flowmeter body (2), flowmeter body (2) upper end is equipped with seal assembly (9) that play the sealing effect, flowmeter body (2) inside is equipped with ultrasonic sensor (10), ultrasonic sensor (10) are fixed through gland nut (11), flowmeter body (2) one side is provided with rectifier (12), flowmeter body (2) lower extreme is equipped with ultrasonic sensor (10) equally, through gland nut (11) are fixed, and the below is sealed through closing cap (13).
2. Plug-in ultrasonic gas meter according to claim 1, characterized in that the connection assembly (1) is connected to the meter body (2) by welding.
3. An inserted ultrasonic gas meter according to claim 1, characterized in that the flow straightener (12) is honeycomb shaped.
4. An inserted ultrasonic gas meter according to claim 3, characterized in that the rectifier (12) is fixed to the meter body (2) side by screws (1201).
5. An insertable gas ultrasonic flow meter according to claim 1, characterized in that the sensor holder (4) is divided into a pressure sensor holder (401) and a temperature sensor holder (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021061293.1U CN212432247U (en) | 2020-06-10 | 2020-06-10 | Plug-in type gas ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021061293.1U CN212432247U (en) | 2020-06-10 | 2020-06-10 | Plug-in type gas ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432247U true CN212432247U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021061293.1U Active CN212432247U (en) | 2020-06-10 | 2020-06-10 | Plug-in type gas ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432247U (en) |
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2020
- 2020-06-10 CN CN202021061293.1U patent/CN212432247U/en active Active
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