CN211234570U

CN211234570U - Ultrasonic flowmeter

Info

Publication number: CN211234570U
Application number: CN201922221347.XU
Authority: CN
Inventors: 苏映新; 赵旭超; 李祖军
Original assignee: Eastern Liaoning University
Current assignee: Eastern Liaoning University
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-11
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an ultrasonic flowmeter, the power distribution box comprises a box body, the top of box is provided with the case lid, the inboard of case lid is provided with the display screen, the top symmetry of case lid is provided with the dop, box top intermediate position is provided with the keyboard, the left and right sides symmetry of keyboard is provided with the convex groove, bilateral symmetry is provided with the wire casing around the keyboard, box one side is provided with the handle, the bilateral symmetry of handle is provided with buckle mechanism, the left side bottom of box is provided with a plurality of outlet, outlet one side is provided with a plurality of data interface, all be provided with the connecting wire on the outlet, the one end that the box was kept away from to the connecting wire is provided with the probe, one side of probe is provided with the coupling plate, the both ends of coupling plate all are provided. Has the advantages that: structural design is reasonable, portable, and long service life has the advantage that the integrated level is high, the consumption reduces, the reliability improves.

Description

Ultrasonic flowmeter

Technical Field

The utility model relates to a flowmeter technical field particularly, relates to an ultrasonic flowmeter.

Background

The ultrasonic wave is a sound wave with the frequency higher than 20000 Hz, has good directivity and strong penetrating power, is easy to obtain more concentrated sound energy, has long propagation distance in water, and can be used for distance measurement, speed measurement, cleaning, welding, stone breaking, sterilization, disinfection and the like. Ultrasonic flow meters perform flow measurement based on the principle of the velocity difference of ultrasonic pulses through different media.

In present production life, traditional ultrasonic flowmeter is the tube segment flowmeter mostly, generally is used for detecting the fluid flow of pipeline and certain point of closure container, direct contact between general ultrasonic flowmeter and the fluid during the while measurement, and the long service life is difficult to avoid causing the measured data inaccuracy because of pipeline impurity siltation, and the pipe-line system is complicated and lengthy in addition in actual production life, sets up a plurality of tube segment flowmeters and must increase pipeline construction's cost, and in case the installation is fixed the back position unchangeable.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an ultrasonic flowmeter to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an ultrasonic flowmeter comprises a box body, wherein a box cover is arranged at the top end of the box body, a display screen is arranged on the inner side of the box cover, clamping heads are symmetrically arranged at the top end of the box cover, a keyboard is arranged at the middle position of the top end of the box body, convex grooves are symmetrically arranged on the left side and the right side of the keyboard, wire grooves are symmetrically arranged on the front side and the rear side of the keyboard, a handle is arranged on one side of the box body, buckling mechanisms are symmetrically arranged on the two sides of the handle, a plurality of wire outlets are arranged at the bottom of the left side of the box body, a plurality of data interfaces are arranged on one side of the wire outlets, connecting wires are arranged on the wire outlets, a probe is arranged at one end of each connecting wire, which is far away from the box body, a coupling plate is arranged on, an integrated circuit board is arranged in the box body, and a control unit is arranged on the integrated circuit board; wherein, the inside ultrasonic transducer that all is provided with of probe, one side of ultrasonic transducer just is located the inside of probe is provided with ultrasonic receiver, ultrasonic transducer with ultrasonic receiver's bottom is provided with organic glass, organic glass is inside to be inlayed and to have a plurality of energy collecting cups.

Furthermore, in order to enable the clamping head to be matched with the buckling mechanism, the box body and the box cover are convenient to lock and carry, the clamping head comprises a first fixing seat arranged on the box cover, and a clamping plate is arranged inside the first fixing seat.

Furthermore, in order to enable the inclined surface to be matched with the through hole, when the chuck is pressed downwards, the shifting plate is driven to move under the action of the inclined surface until the clamping plate penetrates through the through hole, so that the box body and the box cover are automatically locked, a limiting groove is formed in the middle of one side of the clamping plate, the inclined surface is arranged at the bottom of the clamping plate, and an included angle formed between the inclined surface and the horizontal plane is an acute angle.

Further, in order to make the spring two with dial the board and cooperate, make it supports all the time when locking the revolving stage to dial the board the cardboard, buckle mechanism is including setting up the fixing base two of box one side, the inside bottom of fixing base two is provided with spring one, the top of spring one is provided with the kicking block, the intermediate position of fixing base two is provided with the cavity board, the inside one end of cavity board is provided with spring two, the one end of spring two is provided with dials the board.

Furthermore, in order to enable the clamping block to be matched with the limiting groove, the freedom degree of the clamping plate is limited, the clamping plate is locked, and the purpose that the box is automatically locked is achieved.

Furthermore, in order to make the coupling plate match with the probe, the coupling plate is an elastic body, so that the coupling body can be suitable for surfaces with different curvatures, the attaching degree of the probe and the measured surface is increased, the accuracy of measured data is guaranteed, the coupling plate is of an arc-shaped structure and is an elastic body, and a groove is formed in the middle of the top end of the coupling plate.

Further, in order to make two opposite settings in the measurement process the probe is conveniently connected, simultaneously the coil spring with the connecting band cooperatees to adapt to the pipeline of different diameters, conveniently measure it, expand the measuring range of probe, simultaneously through between the connecting band the magic is pasted and is cooperateed, conveniently connects, has improved work efficiency, connecting device is including setting up the casing at coupling plate both ends, the casing circumference outside is provided with the breach, the center of casing is provided with the pivot, the both ends of pivot are provided with the bearing, the circumference outside of pivot is provided with the coil spring.

Furthermore, in order to enable the measuring process to be more intelligent, the human-computer interaction interface to be more convenient and faster, and the output of various secondary signals is convenient for the output of the measuring result, the control unit comprises a power module, an input module, an output module, a display module, a storage module, a calculation module, a correction module and a chip module.

Furthermore, in order to enable the measurement to be more accurate, the design parameter value of the pipeline is input through the design parameter input module during measurement, the change condition of the fluid flow in the pipeline can be known more clearly through comparison with the detection result, and the input module comprises an environment data input module, a measured material input module and a design parameter input module.

The utility model has the advantages that:

(1) the utility model has the advantages of reasonable design, portable is difficult to damage more no mechanical transmission part, and long service life makes the circuit optimize more, the integrated level is high, the consumption reduces, the reliability improves, realizes high intelligent standard signal output simultaneously, adds man-machine interface, multiple secondary signal output, the fluid flow of different positions in the convenient detection pipeline.

(2) The inclined plane is matched with the through hole through the arrangement, when the clamping head is pressed downwards, the shifting plate is driven to move under the action of the inclined plane until the clamping plate penetrates through the through hole, and the box body and the box cover are automatically locked.

(3) The utility model discloses a coupling device, including coupling plate, coupling plate and connecting band, through setting up the coupling plate and cooperating with connecting device and connecting band, because the coupling plate is the elastomer, and then make the coupling body can be applicable to the surface of different curvatures, the laminating degree of probe and measured surface has been increased, and then measured data's accuracy nature has been guaranteed, make double-phase probe convenient connection to setting up simultaneously in the measurement process, the wind spring cooperatees with the connecting band, in order to adapt to the pipeline of different diameters, it is convenient to measure it, the measuring range of probe has been expanded, be connected through the magic subsides between the connecting band, convenient connection, and.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an ultrasonic flow meter according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural diagram of a fastening mechanism of an ultrasonic flow meter according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an ultrasonic flow meter connector according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a control unit of an ultrasonic flow meter according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an input module of an ultrasonic flow meter according to an embodiment of the present invention.

In the figure:

1. a box body; 2. a box cover; 3. a display screen; 4. clamping a head; 401. a first fixed seat; 402. clamping a plate; 403. a limiting groove; 404. an inclined surface; 5. a keyboard; 6. a convex groove; 7. a wire slot; 8. a handle; 9. a buckle mechanism; 901. a second fixed seat; 902. a first spring; 903. a top block; 904. a hollow plate; 905. a second spring; 906. dialing a plate; 907. a spherical bulge; 908. a through hole; 909. a clamping block; 10. an outlet; 11. a connecting wire; 12. a probe; 13. a coupling plate; 1301. a groove; 14. a connecting device; 1401. a housing; 1402. a notch; 1403. a rotating shaft; 1404. a bearing; 1405. a coil spring; 15. a connecting belt; 16. magic tape; 17. an integrated circuit board; 18. a control unit; 1801. a power supply module; 1802. an input module; 1803. an output module; 1804. a display module; 1805. a storage module; 1806. a calculation module; 1807. a correction module; 1808. an environment data input module; 1809. a tested material input module; 1810. a design parameter input module; 1811. a chip module; 19. an ultrasonic transducer; 20. an ultrasonic receiver; 21. organic glass; 22. an energy gathering cup; 23. and a data interface.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an ultrasonic flowmeter.

Referring now to the drawings and the detailed description, as shown in fig. 1-6, an ultrasonic flowmeter according to an embodiment of the present invention includes a case 1, a case cover 2 is disposed on a top end of the case 1, a display screen 3 is disposed on an inner side of the case cover 2, chucks 4 are symmetrically disposed on a top end of the case cover 2, a keyboard 5 is disposed at a middle position of a top end of the case 1, convex grooves 6 are symmetrically disposed on left and right sides of the keyboard 5, wire grooves 7 are symmetrically disposed on front and rear sides of the keyboard 5, a handle 8 is disposed on one side of the case 1, a fastening mechanism 9 is symmetrically disposed on two sides of the handle 8, a plurality of wire outlets 10 are disposed on a bottom of a left side of the case 1, a plurality of data interfaces 23 are disposed on one side of the wire outlets 10, a connecting wire 11 is disposed on each wire outlet 10, and a probe 12 is disposed on an end, a coupling plate 13 is arranged on one side of the probe 12, connecting devices 14 are arranged at two ends of the coupling plate 13, a connecting belt 15 is arranged in each connecting device 14, magic tapes 16 are arranged on each connecting belt 15, an integrated circuit board 17 is arranged in the box body 1, and a control unit 18 is arranged on each integrated circuit board 17; wherein, the inside ultrasonic transducer 19 that all is provided with of probe 12, one side of ultrasonic transducer 19 just is located the inside of probe 12 is provided with ultrasonic receiver 20, ultrasonic transducer 19 with ultrasonic receiver 20's bottom is provided with organic glass 21, a plurality of energy collecting cups 22 have been inlayed to organic glass 21 inside.

By means of the above scheme to make structural design reasonable, portable is difficult to damage more no mechanical transmission part, and long service life makes the circuit optimize more, the integrated level is high, the consumption reduces, the reliability improves, realizes high intelligent standard signal output simultaneously, adds human-computer interaction interface, multiple secondary signal output, conveniently detects the fluid flow of different positions in the pipeline.

In one embodiment, the chuck 4 includes a first fixing seat 401 disposed on the box cover 2, and a clamping plate 402 is disposed inside the first fixing seat 401, so that the chuck 4 cooperates with the fastening mechanism 9 to facilitate locking of the box body 1 and the box cover 2, which is convenient to carry.

In one embodiment, a limiting groove 403 is formed in the middle of one side of the clamping plate 402, an inclined surface 404 is formed at the bottom of the clamping plate 402, and an included angle formed between the inclined surface 404 and the horizontal plane is an acute angle, so that the inclined surface 404 is matched with the through hole 908, when the chuck 4 is pressed down, the shifting plate 906 is driven to move under the action of the inclined surface 404 until the clamping plate 402 passes through the through hole 908, and thus the automatic locking of the box body 1 and the box cover 2 is realized.

In one embodiment, the fastening mechanism 9 includes a second fixing seat 901 disposed on one side of the box 1, a first spring 902 is disposed at the bottom end inside the second fixing seat 901, a top block 903 is disposed at the top end of the first spring 902, a hollow plate 904 is disposed at the middle position of the second fixing seat 901, a second spring 905 is disposed at one end inside the hollow plate 904, and a toggle plate 906 is disposed at one end of the second spring 905, so that the second spring 905 is matched with the toggle plate 906, and the toggle plate 906 always abuts against the snap plate 402 when the rotary table is locked.

In one embodiment, a spherical protrusion 907 is disposed at one end of the dial plate 906, a through hole 908 is disposed at a middle position of the dial plate 906, and a fixture block 909 is disposed on a hole wall of the through hole 908, so that the fixture block 909 is matched with the limiting groove 403, the degree of freedom of the clamping plate 402 is limited, the clamping plate 402 is locked, and the purpose of automatically locking the box is achieved.

In one embodiment, the coupling plate 13 is an arc-shaped structure, the coupling plate 13 is an elastic body, and a groove 1301 is formed in the middle position of the top end of the coupling plate 13, so that the coupling plate 13 is matched with the probe 12, and the coupling body can be suitable for surfaces with different curvatures because the coupling plate 13 is an elastic body, so that the attaching degree of the probe 12 and the surface to be measured is increased, and the accuracy of measured data is further ensured.

In one embodiment, the connecting device 14 includes housings 1401 disposed at two ends of the coupling plate 13, notches 1402 are disposed at outer sides of circumferences of the housings 1401, a rotating shaft 1403 is disposed at a center of the housing 1401, bearings 1404 are disposed at two ends of the rotating shaft 1403, and a coil spring 1405 is disposed at outer sides of circumferences of the rotating shaft 1403, so that two oppositely disposed probes 12 can be conveniently connected in a measuring process, and meanwhile, the coil spring 1405 is matched with the connecting band 15 to adapt to pipelines with different diameters, so that the measuring range of the probes 12 is expanded, and meanwhile, the connecting bands 15 are matched through the magic tapes 16, so that the connecting is convenient, and the working efficiency is improved.

In one embodiment, the control unit 18 includes a power module 1801, an input module 1802, an output module 1803, a display module 1804, a storage module 1805, a calculation module 1806, a correction module 1807, and a chip module 1811, so that the measurement process is more intelligent, the human-computer interaction interface is more convenient and faster, and the output of multiple secondary signals is convenient for outputting the measurement result.

In one embodiment, the input module 1802 includes an environmental data input module 1808, a measured material input module 1809, and a design parameter input module 1810, so as to make the measurement more accurate, and when the measurement is performed, the design parameter value is input through the design parameter input module 1810, and the change of the fluid flow in the pipe can be known more clearly through comparing with the detection result.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the spherical protrusion 907 is firstly shifted in the opposite direction, at this time, the fixture block 909 leaves the limiting groove 403, under the action of the first spring 902, the top block 903 pushes the clamping plate 402 to pop out the second fixing seat 901, then the probe 12 is taken out of the convex groove 6, the connecting line 11 is taken out of the wire groove 7, two ends of the connecting line 11 are respectively connected with the probe 12 and the wire outlet 10, at this time, the probe 12 is matched with the coupling plate 13, fixed on the outer side of the circumference of the measured pipeline, and the two probes 12 are symmetrically arranged, at this time, the connecting device 14 is matched with the connecting band 15, the connecting band 15 is pulled out of the shell 1401, so that the coil spring 1405 starts to store energy, the connecting band 15 is connected through the magic tape 16, at this time, the keyboard 5 is started, the control unit 18 selects the input module 1802 to input environmental data, the material and design parameters of the measured pipeline, when the measurement is started, the control unit 18 controls the ultrasonic transducer 19 to emit ultrasonic waves, the ultrasonic wave receiver 20 receives the ultrasonic waves, the calculation module 1806 calculates the flow rate of liquid in the measurement round pipe according to the principle of a speed difference method, the measurement result is displayed on the display screen 3 through the display module 1804 after being corrected by the correction module 1807, and meanwhile the storage module 1805 stores the measurement result.

In conclusion, with the aid of the technical scheme of the utility model, through setting up inclined plane 404 with through-hole 908 cooperatees, works as dop 4 pushes down the effect on inclined plane 404 drives dial plate 906 and remove until cardboard 402 passes through-hole 908, in order to realize box 1 with the automatic locking of case lid 2. Through setting up the coupling plate 13 with connecting device 14 reaches connecting band 15 cooperatees, because coupling plate 13 is the elastomer, and then makes the coupling body can be applicable to the surface of different curvatures, has increased the laminating degree of probe 12 and measured surface, and then has guaranteed measured data's accuracy nature, makes two phase to setting up simultaneously in the measurement process probe 12 conveniently connects, wind spring 1405 with connecting band 15 cooperatees to adapt to the pipeline of different diameters, conveniently measure it, has expanded probe 12's measuring range, pass through between the connecting band 15 the magic subsides 16 are connected, and convenient the connection has improved work efficiency. Thereby make structural design reasonable, portable is difficult to damage more no mechanical transmission part, and long service life makes the circuit optimize more, the integrated level is high, the consumption reduces, the reliability improves, realizes high intelligent standard signal output simultaneously, adds man-machine interface, multiple secondary signal output, conveniently detects the fluid flow of different positions in the pipeline.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic flowmeter is characterized by comprising a box body (1), wherein a box cover (2) is arranged at the top end of the box body (1), a display screen (3) is arranged on the inner side of the box cover (2), clamping heads (4) are symmetrically arranged at the top end of the box cover (2), a keyboard (5) is arranged at the middle position of the top end of the box body (1), convex grooves (6) are symmetrically arranged at the left side and the right side of the keyboard (5), wire grooves (7) are symmetrically arranged at the front side and the rear side of the keyboard (5), a handle (8) is arranged at one side of the box body (1), buckling mechanisms (9) are symmetrically arranged at the two sides of the handle (8), a plurality of wire outlets (10) are arranged at the bottom of the left side of the box body (1), a plurality of data interfaces (23) are arranged at one side of the wire outlets (10), a probe (12) is arranged at one end, away from the box body (1), of the connecting line (11), a coupling plate (13) is arranged at one side of the probe (12), connecting devices (14) are arranged at two ends of the coupling plate (13), a connecting band (15) is arranged in the connecting devices (14), magic tapes (16) are arranged on the connecting band (15), an integrated circuit board (17) is arranged in the box body (1), and a control unit (18) is arranged on the integrated circuit board (17);

wherein, probe (12) inside all is provided with ultrasonic transducer (19), one side of ultrasonic transducer (19) just is located the inside of probe (12) is provided with ultrasonic receiver (20), ultrasonic transducer (19) with the bottom of ultrasonic receiver (20) is provided with organic glass (21), a plurality of energy-gathering cups (22) have been inlayed to organic glass (21) inside.

2. An ultrasonic flow meter according to claim 1, wherein the cartridge (4) comprises a first fixing seat (401) provided on the lid (2), the first fixing seat (401) having a snap plate (402) provided therein.

3. An ultrasonic flow meter according to claim 2, wherein the clamping plate (402) is provided with a limiting groove (403) at a middle position on one side, the bottom of the clamping plate (402) is provided with an inclined surface (404), and the inclined surface (404) forms an acute angle with the horizontal plane.

4. An ultrasonic flow meter according to claim 1, wherein the fastening mechanism (9) comprises a second fixing seat (901) disposed on one side of the tank (1), a first spring (902) is disposed at the bottom end of the inside of the second fixing seat (901), a top block (903) is disposed at the top end of the first spring (902), a hollow plate (904) is disposed at the middle position of the second fixing seat (901), a second spring (905) is disposed at one end of the inside of the hollow plate (904), and a dial plate (906) is disposed at one end of the second spring (905).

5. An ultrasonic flow meter according to claim 4, wherein one end of the dial plate (906) is provided with a spherical protrusion (907), a through hole (908) is formed in the middle position of the dial plate (906), and a block (909) is formed on the hole wall of the through hole (908).

6. An ultrasonic flow meter according to claim 1, wherein the coupling plate (13) is of an arc-shaped structure, the coupling plate (13) is an elastomer, and a groove (1301) is provided at a middle position of a top end of the coupling plate (13).

7. An ultrasonic flow meter according to claim 1, wherein the connection means (14) comprises a housing (1401) provided at both ends of the coupling plate (13), a gap (1402) is provided at the outer circumferential side of the housing (1401), a rotation shaft (1403) is provided at the center of the housing (1401), bearings (1404) are provided at both ends of the rotation shaft (1403), and a coil spring (1405) is provided at the outer circumferential side of the rotation shaft (1403).

8. An ultrasonic flow meter according to claim 1, wherein the control unit (18) comprises a power supply module (1801), an input module (1802), an output module (1803), a display module (1804), a storage module (1805), a calculation module (1806), a correction module (1807) and a chip module (1811).

9. An ultrasonic flow meter according to claim 8, wherein the input module (1802) comprises an environmental data input module (1808), a measured material input module (1809) and a design parameter input module (1810).