CN216246571U

CN216246571U - Multichannel ultrasonic wave flow measuring device based on Smart Enthalpy principle

Info

Publication number: CN216246571U
Application number: CN202122807301.3U
Authority: CN
Inventors: 吴超峰
Original assignee: Jinan Zhihan Energy Saving Environmental Protection Technology Co ltd
Current assignee: Jinan Zhihan Energy Saving Environmental Protection Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a multichannel ultrasonic flow measuring device based on a Smart Enthalpy principle, which comprises a pipeline, wherein an installation ring is arranged on the outer side of the pipeline, a measuring device is connected above the installation ring, the left side of the measuring device is connected with a knob, the right side of the knob is connected with a lead screw, a thread block is arranged on the periphery of the lead screw, connecting shafts are connected on two sides of the thread block, a sliding groove is arranged on the outer side of the connecting shaft, an angle plate is connected on the outer side of the sliding groove, an energy converter is connected on one side of the angle plate, a rotating shaft is connected below the angle plate, and a connecting ring is arranged on the periphery of the pipeline. The multichannel ultrasonic flow measuring device based on the Smart engineering principle transmits and receives sound wave signals penetrating through the wall of a pipeline through the arranged transducer through the ultrasonic transducer, and the refraction angle of fluid is determined by Snell's law of refraction, so that detection is realized through the pipeline without contacting liquid.

Description

Multichannel ultrasonic wave flow measuring device based on Smart Enthalpy principle

Technical Field

The utility model relates to the technical field of flow detection, in particular to a multi-channel ultrasonic flow measuring device based on the Smart Enthalpy principle.

Background

In modern industrial production, it is accurate to chemical production needs all material ratios, can control through weighing to solid material, and liquid material just needs to use flow detection device, detects what of the liquid volume of sending into chemical production, realizes quantitative ratio, but flow detection device on the existing market still has following problem:

1. the existing flow detection device needs to contact with the liquid inside, so that the flow is converted by using the detected liquid flow velocity and the pipeline area, and the detection mode has certain delay, and is in direct contact with the liquid, so that the liquid pollution and the corrosion of a detection structure are easily caused;

2. current flow detection device, when examining, need through taking place the ultrasonic wave to pipeline inside, thereby utilize the resilience of sound wave to confirm the flow, easily receive the influence of pipeline, and to the testing process, launch angle has certain requirement, and in the installation, often can lead to the angle skew, finally causes the inaccuracy that detects.

Aiming at the problems, the novel design is carried out on the basis of the original flow detection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multichannel ultrasonic flow measuring device based on Smart Enthalpy principle, which aims to solve the problems that the existing flow detecting device proposed by the background technology needs to contact the liquid inside, so that the flow is converted by using the detected liquid flow velocity and the pipeline area, the detection mode has certain delay, and is directly contacted with the liquid, so that the liquid pollution and the corrosion of a detection structure are easily caused.

In order to achieve the purpose, the utility model provides the following technical scheme: multichannel ultrasonic wave flow measuring device based on Smart Enthalpy principle, including the pipeline, the pipeline outside is provided with the collar, the collar top is connected with the apparatus, the apparatus left side is connected with the knob, the knob right side is connected with the lead screw, the lead screw periphery is provided with the screw thread piece, the screw thread piece both sides are connected with the connecting axle, the connecting axle outside is provided with the spout, the spout outside is connected with the angle board, angle board one side is connected with the transducer, angle board below is connected with the pivot, the pipeline periphery is provided with the go-between.

Preferably, the pipeline is fixedly connected with the mounting ring, the outer diameter of the pipeline is equal to the inner diameter of the mounting ring, and the mounting ring and the measuring device are integrally arranged.

Preferably, the measuring device is rotatably connected with the knob, the knob is coaxially and fixedly connected with the screw rod, the thread turning direction on the surface of the screw rod is reversely arranged relative to the central line of the screw rod, the screw rod is rotatably connected with the measuring device, the screw rod is in threaded connection with the thread block, the thread block is integrally arranged with the connecting shaft, and the connecting shaft is symmetrically arranged relative to the transverse central line of the thread block.

Preferably, the thread block forms a sliding structure with the sliding groove through a connecting shaft, the connecting shaft is rotatably connected with the sliding groove, the sliding groove is symmetrically arranged relative to a transverse central line of the angle plate, the angle plate is rotatably connected with the rotating shaft, the angle plate is fixedly connected with the transducer, and the angle plate is symmetrically arranged relative to a vertical central line of the measuring instrument.

Preferably, the inside connection structure that is provided with of go-between, and connection structure include spread groove, reset spring, slider, fixture block and draw-in groove, the go-between outside is provided with the spread groove, and the inside draw-in groove that is provided with of spread groove to spread groove internal connection has the slider, the slider both sides are provided with the fixture block, and fixture block one side is provided with reset spring.

Preferably, the connecting ring is fixedly connected with the pipeline, the connecting ring is fixedly connected with the connecting groove, the connecting groove is arranged on the connecting ring in an annular matrix, the connecting groove is slidably connected with the sliding block, the sliding block and the measuring device are integrally arranged, the sliding block is slidably connected with the clamping block, the clamping block is clamped with the clamping groove, and the clamping block and the return spring form a spring return structure.

Compared with the prior art, the utility model has the beneficial effects that: the multi-channel ultrasonic flow measuring device based on the Smart Enthalpy principle,

1. by arranging the transducer, transmitting and receiving sound wave signals passing through the wall of the pipeline by the ultrasonic transducer, wherein the refraction angle of the fluid is determined by Snell's law of refraction, so that the detection is realized by separating the pipeline without contacting liquid;

2. through the lead screw structure that sets up to make can adjust the ultrasonic wave angle that the transducer jetted into, guarantee the accuracy of taking in the angle, thereby make testing result more accurate, through mutually perpendicular's survey ware, make can be at the flow in-process, the medium takes place to change and can detect and remeasure it, guarantee to measure the accuracy.

Drawings

FIG. 1 is a schematic diagram of an overall front view cross-sectional structure according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an overall left-side cross-sectional structure according to an embodiment of the present invention;

FIG. 3 is a schematic three-dimensional structure of an angle plate according to an embodiment of the present invention;

FIG. 4 is a schematic left-side view of a cross-sectional structure of a second embodiment of the present invention;

FIG. 5 is an enlarged cross-sectional view taken at A in FIG. 4 according to the present invention.

In the figure: 1. a pipeline; 2. a mounting ring; 3. a measuring device; 4. a knob; 5. a thread block; 6. a chute; 7. an angle plate; 8. a rotating shaft; 9. a screw rod; 10. a transducer; 11. a connecting shaft; 12. a connecting ring; 13. Connecting grooves; 14. a return spring; 15. a slider; 16. a clamping block; 17. a clamping groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one: referring to fig. 1-3, a multichannel ultrasonic flow measuring device based on Smart engineering principle includes a pipe 1, in order to make the detection more accurate, a mounting ring 2 is disposed outside the pipe 1, a measuring device 3 is connected above the mounting ring 2, a knob 4 is connected to the left side of the measuring device 3, a lead screw 9 is connected to the right side of the knob 4, a screw block 5 is disposed on the periphery of the lead screw 9, connecting shafts 11 are connected to both sides of the screw block 5, a sliding chute 6 is disposed outside the connecting shafts 11, an angle plate 7 is connected outside the sliding chute 6, an energy converter 10 is connected to one side of the angle plate 7, a rotating shaft 8 is connected below the angle plate 7, the pipe 1 is fixedly connected to the mounting ring 2, the outer diameter of the pipe 1 is equal to the inner diameter of the mounting ring 2, the mounting ring 2 and the measuring device 3 are integrally disposed with the measuring device 3, the measuring device 3 is rotatably connected to the knob 4, and the knob 4 is coaxially and fixedly connected to the lead screw 9, the screw thread of the surface of the screw rod 9 is reversely arranged relative to the central line of the screw rod 9, the screw rod 9 is rotatably connected with the determinator 3, the screw rod 9 is in threaded connection with the thread block 5, the thread block 5 is integrally arranged with the connecting shaft 11, the connecting shaft 11 is symmetrically arranged relative to the transverse central line of the thread block 5, the thread block 5 forms a sliding structure with the sliding groove 6 through the connecting shaft 11, the connecting shaft 11 is rotatably connected with the sliding groove 6, the sliding groove 6 is symmetrically arranged relative to the transverse central line of the angle plate 7, the angle plate 7 is rotatably connected with the rotating shaft 8, the angle plate 7 is fixedly connected with the transducer 10, the angle plate 7 is symmetrically arranged relative to the vertical central line of the determinator 3, the thread block 5 is driven by the screw rod 9 which is arranged, the angle of the angle plate 7 is changed, the incident angle of ultrasonic waves can be adjusted, and the detection accuracy is guaranteed.

Example two: referring to fig. 4 and 5, in the embodiment, a connection ring 12 is disposed on the periphery of the pipe 1, a connection structure is disposed inside the connection ring 12, the connection structure includes a connection groove 13, a return spring 14, a slider 15, a latch 16 and a latch groove 17, the connection groove 13 is disposed outside the connection ring 12, the latch groove 17 is disposed inside the connection groove 13, the slider 15 is connected inside the connection groove 13, the latch 16 is disposed on both sides of the slider 15, the return spring 14 is disposed on one side of the latch 16, the connection ring 12 is fixedly connected to the pipe 1, the connection ring 12 is fixedly connected to the connection groove 13, the connection groove 13 is disposed on the connection ring 12 in an annular matrix, the connection groove 13 is slidably connected to the slider 15, the slider 15 is integrally disposed with the measuring device 3, the slider 15 is slidably connected to the latch 16, and the latch 16 is engaged with the latch groove 17, and the fixture block 16 and the return spring 14 form a spring return structure, and a double-channel detection structure can be formed by the arranged slide block 15, so that the change of the fluid medium can be detected.

The transducer 10 in the second embodiment and the transducer 104 in the first embodiment achieve the same effect, and in the second embodiment, the connecting groove 13 on the connecting ring 12 is used to fixedly connect a plurality of measuring devices, so as to realize the detection of the fluid medium.

The working principle is as follows: example one: according to fig. 1-3, when in use, the measuring device 3 is connected to the pipe 1 through the mounting ring 2, then the knob 4 is rotated to make the knob 4 drive the screw rod 9, during the rotation of the screw rod 9, the screw block 5 is moved, at this time, the screw block 5 pushes the angle plate 7 through the connecting shaft 11, at this time, the angle plate 7 rotates around the rotating shaft 8, the angle is changed, and at the same time, the connecting shaft 11 slides on the chute 6, when the angle adjustment is completed, the transducer 10 works, the ultrasonic transducer 10 transmits and receives the sound wave signal passing through the wall of the pipe 1, the fluid refraction angle is determined by snell's law, the external clip type transducer 10 adopts a reflection type mounting structure sin θ c/V Φ, c is the speed of the sound wave in the fluid, V Φ is the phase speed (constant in the pipe wall) and the flow meter automatically compensates the sound speed (or beam angle) in the fluid, the time required for the sound wave to propagate in the fluid (tfluid) can be calculated by subtracting the calculated intrinsic time (in the transducer 10 and the pipe wall) from the measured average propagation time in response to the change in the average time difference between the transducers 10A and B, the time taken for the sound wave to propagate downstream (TA, B) being shorter than the time taken for the sound wave to propagate upstream (TB, a), and the time difference (Δ T) being used to calculate the flow rate of the fluid in the pipe 1, as follows: once the fluid flow rate is determined, the reynolds number (Re) of the fluid must be determined to ensure the stable state of the fluid, which needs to consider the dynamic viscosity (visc) of the fluid as shown in the following formula, where Q represents the final fluid state after compensating the volumetric flow rate, and Re Di · V/visc · Q ═ k (Re) · (pi/4 · Di2) · V, V ═ flow rate visc ═ μ/ρ ═ dynamic viscosity/density (k) (Re) · reynolds number fluid state compensation, so as to obtain flow data;

example two: according to fig. 4 and 5, the effect that two knobs 4 and lead screw 9 reach in the example is the same, in order to detect more accurate detection to flowing medium, can detect through setting up the binary channels this moment, utilize two determiners 3 to carry out each other and survey with certain contained angle, fixed with pipeline 1 through go-between 12 this moment, later according to required binary channels contained angle, slide slider 15 in spread groove 13, this moment fixture block 16 and draw-in groove 17 looks mutual block under reset spring 14's effect, thereby make whole determiners 3 fixed, later survey again, broadband transducer 10 (high accuracy) this moment, it utilizes the pipe wall as the megaphone to optimize the SNR, increase the vibration range, this kind of transducer 10 can detect when the fluid medium changes, thereby confirm the flow of different fluid media.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Multichannel ultrasonic wave flow measurement device based on Smart Enthalpy principle includes the pipeline, its characterized in that: the pipeline outside is provided with the collar, the collar top is connected with the apparatus, the apparatus left side is connected with the knob, the knob right side is connected with the lead screw, the lead screw periphery is provided with the screw thread piece, the screw thread piece both sides are connected with the connecting axle, the connecting axle outside is provided with the spout, the spout outside is connected with the angle board, angle board one side is connected with the transducer, angle board below is connected with the pivot, the pipeline periphery is provided with the go-between.

2. The Smart estimate-based multichannel ultrasonic flow measurement device of claim 1, wherein: the pipeline is fixedly connected with the mounting ring, the outer diameter of the pipeline is equal to the inner diameter of the mounting ring, and the mounting ring and the measuring device are integrally arranged.

3. The Smart estimate-based multichannel ultrasonic flow measurement device of claim 1, wherein: the measuring device is rotatably connected with the knob, the knob is coaxially and fixedly connected with the screw rod, the screw thread direction on the surface of the screw rod is reversely arranged relative to the central line of the screw rod, the screw rod is rotatably connected with the measuring device, the screw rod is in threaded connection with the thread block, the thread block is integrally arranged with the connecting shaft, and the connecting shaft is symmetrically arranged relative to the transverse central line of the thread block.

4. The Smart estimate-based multichannel ultrasonic flow measurement device of claim 1, wherein: the thread block forms a sliding structure through a connecting shaft and a sliding groove, the connecting shaft is rotatably connected with the sliding groove, the sliding groove is symmetrically arranged relative to a transverse central line of an angle plate, the angle plate is rotatably connected with a rotating shaft, the angle plate is fixedly connected with the transducer, and the angle plate is symmetrically arranged relative to a vertical central line of the measuring device.

5. The Smart estimate-based multichannel ultrasonic flow measurement device of claim 1, wherein: the inside connection structure that is provided with of go-between, and connection structure include spread groove, reset spring, slider, fixture block and draw-in groove, the go-between outside is provided with the spread groove, and the inside draw-in groove that is provided with of spread groove to spread groove internal connection has the slider, the slider both sides are provided with the fixture block, and fixture block one side is provided with reset spring.

6. The Smart estimate-based multichannel ultrasonic flow measurement device of claim 1, wherein: the connecting ring is fixedly connected with the pipeline, the connecting ring is fixedly connected with the connecting groove, the connecting groove is arranged on the connecting ring in an annular matrix mode, the connecting groove is connected with the sliding block in a sliding mode, the sliding block and the measuring device are integrally arranged, the sliding block is connected with the clamping block in a sliding mode, the clamping block is clamped with the clamping groove, and the clamping block and the reset spring form a spring reset structure.