CN213956483U

CN213956483U - Flexible and safe multi-sound-path ultrasonic flowmeter

Info

Publication number: CN213956483U
Application number: CN202022676629.1U
Authority: CN
Inventors: 刘丁有
Original assignee: Beijing Great Wall Hua Rui Technology Co ltd
Current assignee: Beijing Great Wall Hua Rui Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-13
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a nimble safe many sound paths ultrasonic flowmeter relates to flowmeter technical field. Including the flowmeter body, the flowmeter body includes fluid pipeline and locale measuring unit, set up transducer mechanism in the fluid pipeline, transducer mechanism includes multiunit survey subassembly, survey the subassembly includes two ultrasonic transducer, two ultrasonic transducer sets up relatively, and ultrasonic transducer installs on the fluid pipeline inner wall, the last cable that sets up of ultrasonic transducer, locale measuring unit one side sets up the control unit, the last display module that sets up of the control unit, the locale measuring unit is connected with survey subassembly, the control unit through the cable. The beneficial effects of the utility model reside in that: the application range is wide, and the transduction mechanism on the fluid pipeline can be effectively protected.

Description

Flexible and safe multi-sound-path ultrasonic flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically is a nimble safe many sound paths ultrasonic flowmeter.

Background

The ultrasonic flowmeter has the advantages of bidirectionality, no flow resistance element, high repeatability, high precision, no pipeline pressure loss and the like, and the ultrasonic flowmeter replaces the traditional orifice plate flowmeter, a turbine flowmeter and the like to become a main device for flow measurement. In the prior art, an ultrasonic flowmeter represented by 201921921875.X includes a flowmeter body and a transducer mechanism disposed in the flowmeter body, where the flowmeter body includes a fluid pipeline, a meter head and a connecting flange, and the transducer mechanism includes multiple sets of measurement components, and ultrasonic transducers disposed on two sides of an inner wall of the fluid pipeline receive and transmit ultrasonic signals simultaneously to form a multi-channel detection channel, so as to achieve multi-channel data acquisition. However, the existing ultrasonic flowmeter is generally installed in a metal fluid pipeline through a flange, the application range is narrow, and the transducer mechanism is easily corroded by the fluid.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model provides a nimble safe many sound paths ultrasonic flowmeter, its application scope is wide, can effectively protect the transduction mechanism on the fluid pipeline.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a nimble safe many sound paths ultrasonic flowmeter, includes the flowmeter body, the flowmeter body includes fluid pipeline and local measuring element, set up transducer mechanism in the fluid pipeline, transducer mechanism includes multiunit survey subassembly, survey subassembly includes two ultrasonic transducer, two ultrasonic transducer sets up relatively, and ultrasonic transducer installs on the fluid pipeline inner wall, ultrasonic transducer is last to set up the cable, local measuring element one side sets up the control unit, the last display module that sets up of the control unit, local measuring element is connected with survey subassembly, the control unit through the cable.

The fluid pipeline is a round pipeline or a square culvert or an open channel of a river channel.

The measuring component is a 4-sound path component, an 8-sound path component or an 18-sound path component.

The flowmeter body is a plurality of, and is a plurality of the flowmeter body all is connected with the control unit.

The control unit is connected with one or more local measurement units through an RS485 bus.

Contrast prior art, the beneficial effects of the utility model are that:

the device can be suitable for different flow measurement, the ultrasonic transducers are arranged on the inner wall of the fluid pipeline 1, the packaged transducers and cables thereof are arranged in the pipeline body, the quantity can be reasonably configured according to the pipe diameter, the transducers are prevented from being abraded by fluid, and the measurement precision is increased.

Drawings

FIG. 1 is a working schematic diagram of the present invention;

FIG. 2 is a schematic view of a fluid pipeline structure according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a fluid pipeline according to embodiment 2 of the present invention.

Reference numerals shown in the drawings: 1. a fluid conduit, 2, an in situ measurement unit; 3. a transducer mechanism; 4. a control unit.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model discloses the standard part that uses in all can purchase from the market, dysmorphism piece all can be customized according to the description with the record of drawing of description, the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding, pasting among the prior art, the circuit connection who adopts is conventional model among the prior art, simultaneously, in order to express relation of connection and theory of operation between each component clearly, the description drawing adopts the mode of the sketch of mechanism motion to arrange and draw, no longer detailed here.

The flexible and safe multi-acoustic-path ultrasonic flowmeter comprises a flowmeter body, wherein the flowmeter body comprises a fluid pipeline 1 and an in-situ measuring unit 2, a transducer mechanism 3 is arranged in the fluid pipeline 1, the transducer mechanism 3 comprises a plurality of groups of measuring assemblies, each measuring assembly comprises two ultrasonic transducers, the two ultrasonic transducers are arranged oppositely, the ultrasonic transducers are arranged on the inner wall of the fluid pipeline 1, cables are arranged on the ultrasonic transducers, a control unit 4 is arranged on one side of the in-situ measuring unit 2, a display module is arranged on the control unit 4, and the in-situ measuring unit periodically receives commands of a display and processing unit and automatically measures acoustic paths connected to the display and processing unit. And uploading the original measurement result and the measurement state to a control unit for processing. If the control unit finds that a certain sound path works abnormally after calculation, the control unit can automatically send a command to the local measurement unit to debug the sound path. The local measuring unit 2 is connected to the measuring assembly and the control unit 4 via cables. This device can be applicable to different flow measurement, and ultrasonic transducer installs on fluid pipeline 1 inner wall, and built-in encapsulation transducer of body and cable thereof, quantity can be according to pipe diameter size rational allocation, and 1 meter of bore to 5 meters diameter runner are the common operating mode, prevent that the transducer from being worn by the fluid abrasion, increase measurement accuracy.

Further, the fluid pipeline 1 is a circular pipeline or a square culvert or an open channel of a river channel. The round pipe can be a concrete pipe, a square culvert, an open channel, a river channel and the like, can be used as a fluid pipeline for measurement, and can be respectively combined by 2, 4 or 8 and 18 sound paths according to the pipeline condition and the requirement on the measurement precision.

Preferably, the measuring component is a 4-sound path component, an 8-sound path component or an 18-sound path component. The measuring assembly can be flexibly arranged according to the caliber of the fluid pipeline and the measuring progress, and the use flexibility of the device is further improved.

Preferably, the flow meter bodies are multiple and are all connected with the control unit 4.

Preferably, the control unit 4 is connected to one or more local measurement units 2 via an RS485 bus. The RS485 bus has mature technology and stable control, and is suitable for the conditions of low requirement on measurement precision and open-loop detection of an acoustic path.

Example 1:

the utility model provides a nimble safe multichannel ultrasonic flowmeter, includes the flowmeter body, its characterized in that: the flowmeter body includes fluid pipeline 1 and local measuring element 2, set up transducer mechanism 3 in the fluid pipeline 1, transducer mechanism 3 includes multiunit survey subassembly, survey the subassembly includes two ultrasonic transducer, two ultrasonic transducer sets up relatively, and ultrasonic transducer installs on fluid pipeline 1 inner wall, the last cable that sets up of ultrasonic transducer, 2 one sides in local measuring element set up control unit 4, the last display module that sets up of control unit 4, local measuring element 2 is connected with survey subassembly, control unit 4 through the cable. The fluid pipeline is a circular pipeline. It may be exposed or buried pressure steel pipe, or may be buried concrete pipe or other pipe. The measuring component is a 4-sound-path component. The flowmeter body is a plurality of, and is a plurality of the flowmeter body all is connected with the control unit 4. The control unit 4 is connected to one or more local measurement units 2 via an RS485 bus. The beneficial effect of this embodiment is: the energy converter is buried in the pipeline in advance, so that the application range is expanded, and the abrasion of the energy converter is reduced.

Example 2:

in this embodiment, on the basis of the above embodiment, the fluid pipeline is replaced by a round pipeline to form an open channel, and 4 acoustic path measurement assemblies and 1 water level meter are installed to measure the flow rate in the channel.

Claims

1. The utility model provides a nimble safe multichannel ultrasonic flowmeter, includes the flowmeter body, its characterized in that: the flowmeter body includes fluid pipeline (1) and locale measuring unit (2), set up transducer mechanism (3) in fluid pipeline (1), transducer mechanism (3) include multiunit survey subassembly, survey the subassembly and include two ultrasonic transducer, two ultrasonic transducer sets up relatively, and ultrasonic transducer installs on fluid pipeline (1) inner wall, the last cable that sets up of ultrasonic transducer, locale measuring unit (2) one side sets up control unit (4), set up display module on control unit (4), locale measuring unit (2) are connected with survey subassembly, control unit (4) through the cable.

2. A flexible and safe multi-acoustic-path ultrasonic flow meter according to claim 1, wherein: the fluid pipeline (1) is a circular pipeline or a square culvert or an open channel of a river channel.

3. A flexible and safe multi-acoustic path ultrasonic flow meter according to claim 1 or 2, wherein: the measuring component is a 4-sound path component, an 8-sound path component or an 18-sound path component.

4. A flexible and safe multi-acoustic-path ultrasonic flow meter according to claim 1, wherein: the flowmeter body is a plurality of, a plurality of the flowmeter body all is connected with the control unit (4).

5. The flexible and safe multi-acoustic-path ultrasonic flow meter according to claim 4, wherein: the control unit (4) is connected with one or more local measuring units (2) through an RS485 bus.