CN209894246U

CN209894246U - Ultrasonic flowmeter

Info

Publication number: CN209894246U
Application number: CN201920997334.9U
Authority: CN
Inventors: 刘仁宏
Original assignee: Red Flag Instrument (jiangsu) Co Ltd
Current assignee: Red Flag Instrument (jiangsu) Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-01-03
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an ultrasonic flowmeter, including the flowmeter main part, the instrument is installed to one side of flowmeter main part, black screen white word display screen is installed to one side of instrument, the instrument button is installed to the lower extreme of black screen white word display screen, the instrument protecgulum is installed in the outside of instrument button, the back lid is installed to the opposite side of flowmeter main part, the power access mouth is installed to one side of back lid, the second connection iron sheet is installed to the lower extreme of flowmeter main part, the connecting strut is installed to the lower extreme of second connection iron sheet, first connection iron sheet is installed to the lower extreme of connecting strut, super wave generator is installed to the lower extreme of first connection iron sheet, the pipe is all installed to super wave generator's both sides. The utility model discloses a series of structural design make can effectual improvement device measurement flow's precision, and can improve the life of device greatly.

Description

Ultrasonic flowmeter

Technical Field

The invention relates to the technical field of flowmeters, in particular to an ultrasonic flowmeter.

Background

With the rapid development of social economy and the acceleration of the industrialization process, flowmeters are available in a plurality of production fields in daily life of people, such as process control and measurement in the fields of petroleum, chemical industry, metallurgy, electric power, heat supply, water supply and the like, an ultrasonic flowmeter is a non-contact measuring instrument and can be used for measuring fluid flow and large-pipe-diameter flow which are not easy to contact and observe, the flow state of the fluid cannot be changed, pressure loss cannot be generated, the ultrasonic flowmeter is convenient to install, the ultrasonic flowmeter plays an extremely important role in the current liquid measurement field and cannot be compared with other measuring means, the ultrasonic flowmeter adopts an advanced multi-pulse technology, a signal digital processing technology and an error correction technology, the flowmeter is more suitable for the environment of an industrial field, and the measurement is more convenient, economical and accurate.

However, when the existing device is used, bubbles and noise generated by water flow can affect the measurement precision, thereby bringing large errors to flow measurement; thus, the existing requirements are not met, and an ultrasonic flowmeter is provided for the requirements.

Disclosure of Invention

The invention aims to provide an ultrasonic flowmeter, which solves the problems that bubbles and noise generated by water flow influence the measurement precision when the conventional device proposed in the background art is used, so that large errors are brought to flow measurement, and the like.

In order to achieve the purpose, the invention provides the following technical scheme: an ultrasonic flowmeter, includes the flowmeter main part, the instrument is installed to one side of flowmeter main part, black screen white word display screen is installed to one side of instrument, the instrument button is installed to the lower extreme of black screen white word display screen, the instrument protecgulum is installed to the outside of instrument button, the back lid is installed to the opposite side of flowmeter main part, the power access mouth is installed to one side of back lid, second connection iron sheet is installed to the lower extreme of flowmeter main part, the connecting support is installed to the lower extreme of second connection iron sheet, first connection iron sheet is installed to the lower extreme of connecting support, super generator is installed to the lower extreme of first connection iron sheet, the pipe is all installed to the both sides of super generator, the sensor is installed to the lower extreme of pipe, the runner is installed to super generator's lower extreme, the flange is installed to one side of runner, the silencer is characterized in that a silencing pipe is installed on the other side of the flange, a bubble separator is installed on the other side of the flow channel, an exhaust port is installed at the upper end of the bubble separator, an exhaust valve handle is installed on one side of the exhaust port, and an exhaust position is installed at the upper end of the exhaust port.

Preferably, the meter is mounted on one side of the meter body by screws.

Preferably, the lower end of the connecting strut is connected with the upper end of the connecting iron sheet by welding.

Preferably, the ultrasonic generator is mounted at the upper end of the flow passage by a screw.

Preferably, one side of the flow channel is completely attached to one side of the silencing pipe, and the flow channel is connected with the silencing pipe through a flange.

Preferably, the flange installed at one side of the bubble separator is connected with the silencing pipe through a screw.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention firstly penetrates through a through hole arranged on one side of a flange by using a screw, the device is connected with a pipeline which needs to measure flow, a connector of a power line is inserted into the interior of a power supply access port, so that the device is connected with a power supply, after the device is installed, a water valve is opened, water flows through the device and flows on the inner side of the pipeline, the device is opened by an instrument button, when the water flows through a bubble separator, bubbles generated by the water flow are firstly stored in an internal bubble collector by the bubble separator, then according to the service cycle of the device, the handle of an exhaust valve is rotated anticlockwise regularly, so that gas can be discharged from an exhaust position, the bubbles contain certain oxygen, the pipeline and a machine set are corroded, the measurement precision can be seriously influenced by the bubbles, and the precision of the flow measurement of the device can be effectively improved by the addition of the bubble separator, the service life of the device can be greatly prolonged;

2. when water flows through the silencing pipe, the silencing pipe can effectively eliminate noise generated by the water flow, noise in the pipeline can be attenuated or reflected back by effectively utilizing the pipeline and the elbow with the sound absorption lining or utilizing noise reduction devices such as the pipeline with suddenly changed sectional area and other pipelines with discontinuous acoustic impedances, and the measurement of the device is more accurate by increasing the silencing pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a front view of the present invention in its entirety;

fig. 3 is a side view of the invention as a whole.

In the figure: 1. a flow meter body; 2. a meter; 3. a front cover of the instrument; 4. a rear cover; 5. a power supply access port; 6. connecting the supporting columns; 7. a first connecting iron piece; 8. a sensor; 9. a flange; 10. a conduit; 11. a flow channel; 12. an ultrasonic generator; 13. a black screen and white character display screen; 14. a key of the instrument; 15. a bubble separator; 16. an exhaust port; 17. an exhaust position; 18. an exhaust valve handle; 19. a second connecting iron sheet; 20. a silencing tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The black screen white character display screen 13 (model is LMBS 430), the bubble separator 15 (model is XL-WP), the sensor 8 (model is JYP 300), the ultrasonic generator 12 (model is GS-400) and the silencing tube (model is LXSQ-400) can be purchased from the market or customized by a person.

Referring to fig. 1 to 3, an embodiment of the present invention includes: an ultrasonic flowmeter comprises a flowmeter body 1, an instrument 2 is installed on one side of the flowmeter body 1, a black-screen white-character display screen 13 is installed on one side of the instrument 2, an instrument button 14 is installed at the lower end of the black-screen white-character display screen 13, an instrument front cover 3 is installed on the outer side of the instrument button 14, a rear cover 4 is installed on the other side of the flowmeter body 1, a power supply access port 5 is installed on one side of the rear cover 4, a second connecting iron sheet 19 is installed at the lower end of the flowmeter body 1, a connecting support column 6 is installed at the lower end of the second connecting iron sheet 19, a first connecting iron sheet 7 is installed at the lower end of the connecting support column 6, an ultrasonic generator 12 is installed at the lower end of the first connecting iron sheet 7, guide pipes 10 are installed on both sides of the ultrasonic generator 12, a sensor 8 is installed at the lower end of the guide pipes 10, a flow passage, the other side of the flange 9 is provided with a silencing pipe 20, the other side of the flow passage 11 is provided with a bubble separator 15, the upper end of the bubble separator 15 is provided with an exhaust port 16, one side of the exhaust port 16 is provided with an exhaust valve handle 18, and the upper end of the exhaust port 16 is provided with an exhaust part 17.

Further, the instrument 2 passes through the mounting screw in one side of flowmeter main part 1 for data transfer who will detect through flowmeter main part 1 is to the inside of instrument 2, and then has guaranteed that the staff can be more clear understanding water flow.

Further, the lower extreme of connecting strut 6 is connected with the upper end of first connection iron sheet 7 through the welding for the connection of device is inseparabler, and then has guaranteed that the structure of device is more firm.

Further, the ultrasonic generator 12 is installed at the upper end of the flow passage 11 by screws, ensuring the stability of the connection of the device while making the device easy to maintain and replace parts.

Further, one side of runner 11 and one side of hush pipe 20 are laminated completely, and runner 11 passes through flange 9 with hush pipe 20 and is connected for the device can effectual reduction rivers produce noise when using, and then has guaranteed that the measurement of device can be more accurate.

Further, the flange 9 arranged on one side of the bubble separator 15 is connected with the silencing pipe 20 through screws, so that bubbles generated by water flow can be eliminated when the device is used, and the service life of the device is further prolonged.

The working principle is as follows: when the device is used, the conditions of each mechanism of the device are checked firstly, after no abnormal condition is confirmed, a screw penetrates through a through hole arranged on one side of the flange 9, the device is connected with a pipeline which needs to be subjected to flow measurement, a power supply is connected by inserting a connector of a power line into the power supply inlet 5, after the device is installed, a water valve is opened, water flows through the device, the device is opened through the instrument button 14, when the water flows through the bubble separator 15, bubbles generated by the water flows are stored in a bubble collector in the device by the bubble separator 15, then the exhaust valve handle 18 is rotated anticlockwise at regular time according to the service cycle of the device, so that gas can be exhausted from the exhaust part 17, the bubbles contain certain oxygen, the pipeline and a machine set are corroded, and the bubbles can seriously influence the measurement precision, the increase of the bubble separator 15 can effectively improve the accuracy of the device for measuring the flow, and can greatly improve the service life of the device, when water flows through the silencing pipe 20, the silencing pipe 20 can effectively eliminate noise generated by the water flow, the model of the silencing pipe 20 is LXSQ-400, the silencing pipe can effectively utilize a pipeline and an elbow with a sound absorption lining or noise reduction devices such as a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, and the noise in the pipeline is attenuated or reflected back, and the device can be more accurately measured by the increase of the silencing pipe 20.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An ultrasonic flow meter comprising a flow meter body (1), characterized in that: the flowmeter is characterized in that an instrument (2) is installed on one side of a flowmeter main body (1), a black screen white word display screen (13) is installed on one side of the instrument (2), instrument keys (14) are installed at the lower end of the black screen white word display screen (13), an instrument front cover (3) is installed on the outer side of the instrument keys (14), a rear cover (4) is installed on the other side of the flowmeter main body (1), a power supply access port (5) is installed on one side of the rear cover (4), a second connecting iron sheet (19) is installed at the lower end of the flowmeter main body (1), a connecting strut (6) is installed at the lower end of the second connecting iron sheet (19), a first connecting iron sheet (7) is installed at the lower end of the connecting strut (6), a super generator (12) is installed at the lower end of the first connecting iron sheet (7), and a guide pipe (10) is installed on the two sides of the super, sensor (8) are installed to the lower extreme of pipe (10), runner (11) are installed to the lower extreme of supersonic generator (12), flange (9) are installed to one side of runner (11), hush pipe (20) are installed to the opposite side of flange (9), bubble separator (15) are installed to the opposite side of runner (11), gas vent (16) are installed to the upper end of bubble separator (15), discharge valve handle (18) are installed to one side of gas vent (16), exhaust department (17) are installed to the upper end of gas vent (16).

2. An ultrasonic flow meter according to claim 1, wherein: the meter (2) is installed on one side of the flowmeter body (1) through screws.

3. An ultrasonic flow meter according to claim 1, wherein: the lower end of the connecting strut (6) is connected with the upper end of the connecting iron sheet (7) through welding.

4. An ultrasonic flow meter according to claim 1, wherein: the ultrasonic generator (12) is arranged at the upper end of the flow channel (11) through a screw.

5. An ultrasonic flow meter according to claim 1, wherein: one side of the flow channel (11) is completely attached to one side of the silencing pipe (20), and the flow channel (11) is connected with the silencing pipe (20) through a flange (9).

6. An ultrasonic flow meter according to claim 1, wherein: a flange (9) arranged on one side of the bubble separator (15) is connected with the silencing pipe (20) through screws.