CN211978004U

CN211978004U - Precession vortex flowmeter

Info

Publication number: CN211978004U
Application number: CN202021061924.XU
Authority: CN
Inventors: 于国军; 张超; 王耀平; 张克军
Original assignee: Weihai Naer Instrument Technology Co ltd
Current assignee: Weihai Naer Instrument Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-11-20
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a precession vortex flowmeter, which comprises a shell, wherein a flow metering structure is arranged in the shell; the flow metering structure comprises: subassembly, connecting rod, data processor, display, flowmeter, temperature sensor, pressure sensor and vortex elimination subassembly take place for the swirl, the utility model relates to a gas flowmeter technical field, the beneficial effect of present case is: the flow measurement structure that the present case adopted takes place the subassembly through built-in swirl and makes gaseous swirl that produces, mutually supports between each detection to reach flow measurement's purpose, the flowmeter, temperature sensor and the pressure sensor that the present case adopted all install inside the casing, and it is external that the effectual traditional vortex flowmeter sensor that has solved is external, and the sensor that exists is impaired technical problem easily, and the present case still has, simple structure, beneficial effect such as sealing performance is good.

Description

Precession vortex flowmeter

Technical Field

The utility model relates to a gas flowmeter technical field specifically is a precession vortex flowmeter.

Background

The precession vortex flowmeter is a high-precision gas flow meter, is used for accurately measuring the total amount of gas flowing through a closed pipeline, is suitable for measuring natural gas, urban gas, propane, nitrogen, industrial inert gas, coal bed gas, oil field associated gas and the like, uses the gas as one of main energy sources, and has rapidly increased dosage, and the following measurement problems are more and more prominent.

The traditional gas precession vortex flowmeter has the defects that the sensor is not beautiful externally, the sensor is easy to damage, the manufacturing cost of a company is increased invisibly, and the installation space is large.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a precession vortex flowmeter has solved current precession vortex flowmeter's shortcoming that the sensor is external neither pleasing to the eye, and the sensor is also damaged easily, has just increased company manufacturing cost's technical problem in intangible like this.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a precession vortex flowmeter comprises a shell, wherein a flow metering structure is arranged in the shell;

the flow metering structure comprises: the vortex generating assembly, the connecting rod, the data processor, the display, the flowmeter, the temperature sensor, the pressure sensor and the vortex eliminating assembly;

the vortex generation assembly is fixedly embedded in one side of the shell, the connecting rod is fixedly installed on the upper wall surface of the shell, the data processor is fixedly installed on the rear wall surface of the connecting rod, the display is fixedly installed on the front wall surface of the connecting rod and is electrically connected with the data processor, the flow meter is fixedly embedded in the lower wall surface of the shell and is electrically connected with the data processor, the temperature sensor is fixedly embedded in the upper wall surface of the shell and is electrically connected with the data processor, the pressure sensor is fixedly embedded in the upper wall surface of the shell and is electrically connected with the data processor, and the vortex elimination assembly is fixedly embedded in the other end of the shell.

Preferably, the vortex generating assembly comprises: the first fixing block and the helical blade;

the outer wall surface of the first fixed block is tightly connected with the inner wall surface of one side of the shell, and the helical blade is embedded in the inner wall surface of the first fixed block.

Preferably, the vortex elimination assembly comprises: the second fixing block and the through holes are formed in the base;

the outer wall surface of the second fixed block is tightly connected with the inner wall surface of the other side of the shell, and the through holes are all located on the second fixed block.

Preferably, the two sides of the shell are provided with flange plates.

Preferably, the data processor and the display are provided with protective covers outside.

Preferably, a pressure relief hole is formed in the lower wall surface of the shell.

Advantageous effects

The utility model provides a precession vortex flowmeter possesses following beneficial effect: the flow measurement structure that the present case adopted takes place the subassembly through built-in swirl and makes gaseous swirl that produces, mutually supports between each detection to reach flow measurement's purpose, the flowmeter, temperature sensor and the pressure sensor that the present case adopted all install inside the casing, and it is external that the effectual traditional vortex flowmeter sensor that has solved is external, and the sensor that exists is impaired technical problem easily, and the present case still has, simple structure, beneficial effect such as sealing performance is good.

Drawings

Fig. 1 is a schematic structural view of a precession vortex flowmeter according to the present invention.

Fig. 2 is a schematic side view of the precession vortex flowmeter of the present invention.

Fig. 3 is a block diagram of a structure of a precession vortex flowmeter according to the present invention.

In the figure: 1-a shell; 2-a connecting rod; 3-a data processor; 4-a display; 5-a flow meter; 6-temperature sensor; 7-a pressure sensor; 8-a first fixed block; 9-helical blades; 10-a second fixed block; 11-a through hole; 12-a flange plate; 13-a protective cover; 14-pressure relief hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a precession vortex flowmeter, the major assembly of this scheme is: the flow metering device comprises a shell 1, wherein a flow metering structure is arranged in the shell 1;

when the flow rate of the gas needs to be measured, the device is mounted on a designated instrument or pipeline, and the measurement is performed by a built-in flow rate metering structure.

In a specific implementation process, the flow metering structure comprises: the vortex generating assembly, the connecting rod 2, the data processor 3, the display 4, the flowmeter 5, the temperature sensor 6, the pressure sensor 7 and the vortex eliminating assembly;

the vortex generating assembly is fixedly embedded in one side of the shell 1, the connecting rod 2 is fixedly installed on the upper wall surface of the shell 1, the data processor 3 is fixedly installed on the rear wall surface of the connecting rod 2, the display 4 is fixedly installed on the front wall surface of the connecting rod 2 and is electrically connected with the data processor 3, the flow meter 5 is fixedly embedded in the lower wall surface of the shell 1 and is electrically connected with the data processor 3, the temperature sensor 6 is fixedly embedded in the upper wall surface of the shell 1 and is electrically connected with the data processor 3, the pressure sensor 7 is fixedly embedded in the upper wall surface of the shell 1 and is electrically connected with the data processor 3, and the vortex eliminating assembly is fixedly embedded in the other end of the shell 1.

When the gas flow rate needs to be measured, the device is attached to a predetermined position, the gas is swirled by the swirl generating unit, the flow rate is detected by the flow meter 5 embedded in the casing 1, the gas temperature is detected by the temperature sensor 6, the gas pressure is detected by the pressure sensor 7, the data detected by the flow meter 5, the temperature sensor 6, and the pressure sensor 7 is processed by the data processor 3, the data is transmitted to the display 4 to be displayed, and the gas after detection is passed through the swirl eliminating unit to eliminate the swirls generated by the gas and then is sent to the predetermined position.

In a specific implementation, the vortex generating assembly comprises: a first fixed block 8 and a helical blade 9;

the outer wall surface of the first fixed block 8 is tightly connected with the inner wall surface of one side of the shell 1, and the helical blade 9 is embedded at the inner wall surface of the first fixed block 8.

When the gas is required to be conveyed and detected by generating a vortex, the gas is conveyed into the casing 1 to be detected by generating a vortex by the helical blade 9 fitted to the first fixed block 8.

In a specific implementation, the vortex elimination assembly includes: a second fixing block 10 and a plurality of through holes 11;

the outer wall surface of the second fixing block 10 is tightly connected with the inner wall surface of the other side of the shell 1, and the through holes 11 are all located on the second fixing block 10.

When the detected gas needs to be transported, the gas passes through the plurality of through holes 11 embedded in the second fixed block 10, and then is transported to a designated position after vortex elimination.

In the specific implementation process, furthermore, flanges 12 are arranged on two sides of the shell 1 for convenient installation.

In the implementation process, furthermore, a protective cover 13 with a protection function is arranged outside the data processor 3 and the display 4.

In the specific implementation process, further, a pressure relief hole 14 for facilitating pressure relief is formed in the lower wall surface of the housing 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The statement that an element defined by the phrase "comprises an … … does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A precession vortex flowmeter comprises a shell (1), and is characterized in that a flow metering structure is arranged in the shell (1);

the flow metering structure comprises: the vortex generating assembly, the connecting rod (2), the data processor (3), the display (4), the flowmeter (5), the temperature sensor (6), the pressure sensor (7) and the vortex eliminating assembly;

the vortex generating component is fixedly embedded in one side of the shell (1), the connecting rod (2) is fixedly arranged on the upper wall surface of the shell (1), the data processor (3) is fixedly arranged on the rear wall surface of the connecting rod (2), the display (4) is fixedly arranged on the front wall of the connecting rod (2) and is electrically connected with the data processor (3), the flowmeter (5) is fixedly embedded at the inner lower wall surface of the shell (1) and is electrically connected with the data processor (3), the temperature sensor (6) is fixedly embedded on the inner upper wall surface of the shell (1) and is electrically connected with the data processor (3), the pressure sensor (7) is fixedly embedded in the upper wall surface of the shell (1) and is electrically connected with the data processor (3), and the vortex elimination assembly is fixedly embedded in the other end of the shell (1).

2. A precession vortex flowmeter according to claim 1 wherein the vortex generating assembly comprises: a first fixed block (8) and a helical blade (9);

the outer wall surface of the first fixed block (8) is tightly connected with the inner wall surface of one side of the shell (1), and the helical blade (9) is embedded on the inner wall surface of the first fixed block (8).

3. A precession vortex flowmeter according to claim 1 wherein the vortex elimination assembly comprises: a second fixing block (10) and a plurality of through holes (11);

the outer wall surface of the second fixing block (10) is tightly connected with the inner wall surface of the other side of the shell (1), and the through holes (11) are all located on the second fixing block (10).

4. A precession vortex flowmeter according to claim 1, characterised in that the casing (1) is provided with flanges (12) on both sides.

5. A precession vortex flowmeter according to claim 1, characterised in that the data processor (3) and the display (4) are externally provided with protective covers (13).

6. A precession vortex flowmeter according to claim 1, characterised in that a pressure relief hole (14) is provided at the lower wall of the casing (1).