CN220356990U - Ultrasonic-based liquid concentration measuring device - Google Patents

Abstract

The utility model provides a liquid concentration measuring device based on ultrasonic waves, which comprises a top component, a bottom component, a wire cover component and a cylinder, wherein the wire cover component comprises a rotating shaft, and a rotating cap and a wire cover which are connected to two ends of the rotating shaft; the top assembly comprises a top shell, a transmitting transducer and a temperature sensor, wherein the transmitting transducer and the temperature sensor are inserted into the bottom of the top shell; the bottom assembly includes a receiving transducer disposed on the bottom cover in tight engagement with one end of the cylinder, and a detachably connected bottom cover and bottom housing detachably connected to the wire cover. According to the embodiment, the temperature sensor, the transmitting transducer and the receiving transducer are arranged, so that the propagation speed of ultrasonic waves corresponding to transparent liquid and non-transparent liquid at different temperatures can be detected. In addition, the rotary cap is rotatably connected with the wire cover, so that the relative positions of the transmitting transducer and the receiving transducer can be adjusted, and the detection accuracy can be correspondingly improved.

Description

Ultrasonic-based liquid concentration measuring device

Technical Field

The utility model relates to the technical field of ultrasonic measurement, in particular to a liquid concentration measuring device based on ultrasonic waves.

Background

Measurement of liquid concentration is an important task in production and research.

Ultrasonic waves are longitudinal waves propagating in an elastic medium with a frequency range between 20kHz and about 1 GHz. The ultrasonic wave has high frequency, is easy to converge into a beam for directional propagation, and has stronger penetrating capacity. Because the propagation speed of ultrasonic waves in the medium is related to factors such as the characteristics and the state of the medium, the received ultrasonic signals carry information of parameters to be measured in the medium, and therefore the concentration of liquid can be obtained through sound velocity measurement in the medium.

In the course of the study, it was necessary to experimentally derive the propagation velocity of ultrasonic waves through the liquid at different temperatures of the transparent and non-transparent liquid. There is therefore a need for a new measuring device that solves this problem.

Disclosure of Invention

The summary of the utility model is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

The utility model provides a liquid concentration measuring device based on ultrasonic waves, which solves the technical problems mentioned in the background art section.

The ultrasonic-based liquid concentration measuring device comprises a top component, a bottom component, a wire cover component and a cylinder, wherein the wire cover component comprises a rotating shaft, and a rotating cap and a wire cover which are connected to two ends of the rotating shaft; the top assembly includes a top housing removably connected to the rotating cap, and a transmitting transducer and a temperature sensor interposed to a bottom of the top housing; the bottom assembly includes a receiving transducer disposed to the bottom cover, the bottom cover being in tight engagement with one end of the cylinder, and a bottom cover and a bottom housing detachably connected to the wire cover.

Optionally, the top casing is provided with two first dogs symmetrically, and the rotating cap is provided with two butt joint grooves symmetrically, and in the assembled state, two first dogs are inserted into two butt joint grooves in a one-to-one correspondence manner.

Optionally, the top assembly further comprises a top cover that snaps into a first recess in the top end of the top housing.

Optionally, the top assembly further comprises a processor with an operation panel, wherein the processor is clamped to the bottom of the top cover, and the operation panel passes through the top cover.

Optionally, the top casing is provided with first cable mouth, and rotatory cap is provided with the second cable mouth, under the state of assembled, first cable mouth with second cable mouth intercommunication, the power cable of treater passes first cable mouth, second cable mouth and pivot and enters into the wire cover.

Optionally, the bottom cover is fastened to the second groove at the top end of the bottom shell, a third groove is formed in the bottom cover, and the cylinder is placed on the third groove.

Optionally, the third groove is glued to the cylinder.

Optionally, the bottom shell is provided with the U type groove, the bottom of wire rod cover is provided with two symmetrical second dogs, and in the state of assembled, two the second dogs insert and establish the U type groove.

Optionally, the bottom housing is provided with a third cable port, the bottom of the wire cover is provided with a fourth cable port, in the assembled state, the third cable port is communicated with the fourth cable port, and the cable of the receiving transducer passes through the third cable port, the fourth cable port, the second cable port and the first cable port to be connected to the processor.

Optionally, a fifth cable port is disposed on an opposite side of the fourth cable port, and a power cable of the processor is connected to an external power supply through the fifth cable port.

The above embodiment of the present utility model has the following advantageous effects: the propagation speed of ultrasonic waves passing through the preset height liquid in the cylinder can be determined by arranging the transmitting transducer and the receiving transducer at the upper end and the lower end of the cylinder.

The temperature of the liquid can be acquired by arranging a temperature sensor. Therefore, the propagation speed corresponding to the ultrasonic wave passing through the liquid at different temperatures can be detected.

In addition, above-mentioned rotatory cap is rotationally connected through the pivot with the wire rod cover, because rotatory cap is connected with the top casing, consequently can drive the top casing and rotate when rotatory cap, and then can adjust the relative position of transmitting transducer and receiving transducer for transmitting transducer coincides with receiving transducer's axis mutually, and then can improve the precision that detects. In addition, when a certain deviation occurs in the relative positions of the transmitting transducer and the receiving transducer, the accuracy is ensured by correcting through a correlation algorithm, however, the correction capability of different algorithms is different, and repeated tests can be performed through the measuring device.

Finally, rotation of the top housing also facilitates the addition of liquid to the cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of one embodiment of an ultrasonic-based liquid concentration measurement device of the present utility model;

FIG. 2 is an exploded view of the top assembly of the present utility model;

FIG. 3 is an exploded view of the bottom assembly of the present utility model.

Reference numerals illustrate:

1: a top cover; 11: a second mounting hole; 2: a processor; 3: a top housing; 31: a first groove; 32: a first stopper; 33: a first cable port; 4: a temperature sensor; 5: a transmitting transducer; 6: rotating the cap; 61: a butt joint groove; 7: a bottom cover; 71: a third groove; 72: a third mounting hole; 8: a receiving transducer; 9: a bottom housing; 91: a second groove; 92: a U-shaped groove; 93: third cable port 10: a wire cover; 101: a second stopper; 102: a fifth cable port; 11: a rotating shaft; 12: a cylinder.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The ultrasonic-based liquid concentration measuring device includes a top assembly, a bottom assembly, a wire cap assembly, and a cylinder assembly, and the top assembly is described below with reference to fig. 1 and 2. FIG. 1 is a cross-sectional view of one embodiment of an ultrasonic-based liquid concentration measurement device of the present utility model; fig. 2 is an exploded view of the top assembly of the present utility model. As shown in fig. 1 and 2, the top assembly includes a top cover 1 and a top housing 3, which are detachably connected, a transmitting transducer 5, and a temperature sensor 4.

A first recess 31 is provided at the upper end of the top case 3, and the top cover 1 can be fastened to the first recess 31, and the top cover 1 and the top case 3 form a first hollow structure.

Two first mounting holes are provided on the bottom plate of the top case 3 for detachably placing the transmitting transducer 5 and the temperature sensor 4. The transmitting transducer 5 is used for transmitting ultrasonic waves and the temperature sensor 4 is used for detecting the temperature of the liquid.

With continued reference to fig. 1, the wire housing 10 assembly includes a rotating shaft 11 and rotating caps 6 and wire housings 10 connected to both ends of the rotating shaft 11. The rotary cap 6 is rotatable with respect to the wire cover 10 via a rotary shaft 11. As an example, the upper end (direction in fig. 1) of the above-mentioned rotating shaft 11 may be fixedly connected to the rotating cap 6, and the lower end of the rotating shaft 11 is rotatably inserted to the wire cover 10.

With continued reference to fig. 1 and 2, the top housing 3 is removably connected to the swivel cap 6. Specifically, the top case 3 is symmetrically provided with two first stoppers 32, and the spin cap 6 is symmetrically provided with two docking grooves 61. In the assembled state, the two first stoppers 32 are inserted into the two docking grooves 61 in one-to-one correspondence, so that the spin cap 6 is detachably coupled with the top case 3.

Next, the bottom assembly will be described with reference to fig. 1 and 3, and fig. 3 is an exploded view of the bottom assembly of the present utility model. As shown in fig. 1 and 3, the bottom assembly includes a bottom cover 7, a bottom housing 9, a transmitting transducer 5, and a receiving transducer 8. The bottom cover 7 is fastened to the second groove 91, and the bottom cover 7 and the bottom housing 9 form a second hollow structure. The upper end surface of the bottom cover 7 is provided with a third groove 71, and the bottom of the cylinder 12 is placed in the third groove 71 and is glued with the bottom cover 7. The cylinder 12 is used for placing liquid, and the cylinder 12 can be made of plexiglas. The third groove 71 is provided with a third mounting hole 72, and the receiving transducer 8 passes through the third mounting hole 72 from the bottom of the bottom cover 7, so that the receiving end of the receiving transducer 8 is in the same plane with the bottom of the cylinder 12.

The bottom housing 9 is provided with a U-shaped groove, and the bottom of the wire cover 10 is provided with two symmetrical second stoppers 101. In the assembled state, the two second stoppers 101 are inserted into the U-shaped grooves, so that the bottom housing 9 is detachably connected with the wire cover 10.

Referring back to fig. 1 and 2, the top assembly further includes a processor 2, where the processor 2 may include a display screen and a man-machine interaction button, where the processor 2 is capable of receiving the liquid temperature collected by the temperature sensor 4 and receiving the ultrasonic signal received by the transducer 8, and where the processor 4 processes the ultrasonic signal to obtain a time difference between the transmission and the reception of the ultrasonic signal. The man-machine interaction button may comprise a key for a staff member to input the liquid level, so that the liquid level is known, and the temperature, the time difference or the ultrasonic propagation speed can be displayed on a display screen. The person skilled in the art can determine the concentration of the liquid by means of the above-mentioned ultrasonic propagation speed and temperature according to common knowledge. The processor 2 may be a terminal device having information receiving and transmitting, information processing, and control functions, such as a single chip microcomputer.

The top cover 1 is provided with a second mounting hole 11, the size of the second mounting hole 11 is matched with that of a display screen and a man-machine interaction button, the display screen and the man-machine interaction button penetrate through the second mounting hole 11 from the bottom of the top cover 1, and therefore workers can conveniently view the display screen and operate the man-machine interaction button.

Since the processor 2 is communicatively connected to the temperature sensor 4, the transmitting transducer 5 and the receiving transducer 8, a first cable port 33 is provided in the top housing 3 and a second cable port is provided in the rotating cap 6. In the assembled state, the first cable port 33 communicates with the second cable port. The power supply cable of the processor 2 passes through the first cable port 33, the second cable port and the rotating shaft 11 from the first hollow structure to enter the wire cover 10. The shaft 11 may be hollow.

Referring back to fig. 1 and 3, the bottom housing 9 is provided with a third cable port 93, and the bottom of the wire cover 10 is provided with a fourth cable port. In the assembled state, the third cable port 93 communicates with the fourth cable port, and the cable of the receiving transducer 8 passes through the third cable port 93 and the fourth cable port from the second hollow structure to enter the wire cover 10, and then passes through the rotating shaft 11, the second cable port and the first cable port 33 to be connected to the processor 2.

Alternatively, when the processor 2 needs to be connected to an external power source, the opposite side of the fourth cable port may be provided with a fifth cable port 102. Further, the power supply cable of the processor 2 is connected to an external power source through the fifth cable port 102.

Finally, the operation of the measuring device will be briefly described.

Liquid is first injected into the cylinder 12, pushing the top housing 3, rotating the top housing 3 above the cylinder 12 with the assistance of the spindle 11. Next, the temperature sensor 4 and the transmitting transducer 5 are placed into the first mounting hole. The top cover 1 is then mounted to the top housing 3. The top housing 3 is then rotated further, so that the axis of the transmitting transducer 5 coincides with the axis of the receiving transducer 8. In order to test whether the receiving transducer 8 can well receive the ultrasonic wave sent by the transmitting transducer 5, the transmitting transducer 5 can be controlled to send test ultrasonic wave, and the receiving condition of the receiving transducer 8 is determined. If the reception is poor, the top housing 3 continues to be rotated until the reception is good.

In the measuring process, a heating belt can be arranged on the outer wall of the cylinder 12, and when the temperature acquired by the temperature sensor 4 corresponds to the preset temperature, the heating belt stops heating. At this time, the worker can control the height of the liquid input by the man-machine interaction button, then control the transmitting transducer 5 to transmit ultrasonic waves, and the receiving transducer 8 to receive the ultrasonic waves. In this way, the controller can determine the ultrasonic signal received by the receiving transducer 8, and further determine the propagation speed of the ultrasonic wave and display the propagation speed on the display screen.

After the measurement is completed, the top cover 1 is opened, the temperature sensor 4 and the emission transducer 5 are taken out, and the top case 3 is rotated. Finally, the cylinder 12 and the bottom cover 7 are removed together, and the liquid is poured out.

The top shell, the rotary cap and the wire cover are detachably connected with the bottom shell, so that the device is convenient to assemble, disassemble and maintain, and convenience is provided for staff.

In addition, the relative position of the transmitting transducer and the receiving transducer can be adjusted by rotating the top shell, so that the receiving condition of the receiving transducer can be improved, and the reliability of the measuring device is improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. An ultrasonic-based liquid concentration measuring device is characterized by comprising a top component, a bottom component, a wire cover component and a cylinder, wherein,

the wire cover assembly comprises a rotating shaft, and a rotating cap and a wire cover which are connected to two ends of the rotating shaft;

the top assembly includes a top housing removably connected to the rotating cap, and a transmitting transducer and a temperature sensor interposed to a bottom of the top housing;

the bottom assembly includes a receiving transducer disposed to the bottom cover, the bottom cover being in tight engagement with one end of the cylinder, and a bottom cover and a bottom housing detachably connected to the wire cover.

2. The ultrasonic-based liquid concentration measuring device according to claim 1, wherein the top case is symmetrically provided with two first stoppers, the rotary cap is symmetrically provided with two docking grooves, and in an assembled state, the two first stoppers are inserted into the two docking grooves in one-to-one correspondence.

3. The ultrasonic-based liquid concentration measurement device of claim 2, wherein the top assembly further comprises a top cover that snaps into a first recess in the top end of the top housing.

4. The ultrasonic-based liquid concentration measurement device of claim 3, wherein the top assembly further comprises a processor having an operating panel, the processor being snapped to the bottom of the top cover, the operating panel passing through the top cover.

5. The ultrasonic-based liquid concentration measurement device of claim 4, wherein the top housing is provided with a first cable port, the swivel cap is provided with a second cable port, the first cable port communicates with the second cable port in the assembled state, and a power cable of the processor enters the wire cover through the first cable port, the second cable port, and the swivel shaft.

6. The ultrasonic-based liquid concentration measuring device of claim 5, wherein the bottom cover is snapped into a second recess in the top end of the bottom housing, a third recess is provided in the bottom cover, and the cylinder is placed in the third recess.

7. The ultrasonic-based liquid concentration measurement device of claim 6, wherein the third groove is glued to the cylinder.

8. The ultrasonic-based liquid concentration measuring device of claim 7, wherein the bottom housing is provided with a U-shaped groove, and the bottom of the wire cover is provided with two symmetrical second stoppers, which are inserted into the U-shaped groove in an assembled state.

9. The ultrasonic-based liquid concentration measurement device of claim 8, wherein the bottom housing is provided with a third cable port, the bottom of the wire cover is provided with a fourth cable port, the third cable port communicates with the fourth cable port in the assembled state, and the cable of the receiving transducer is connected to the processor through the third cable port, the fourth cable port, the second cable port, and the first cable port.

10. The ultrasonic-based liquid concentration measurement device of claim 9, wherein a fifth cable port is provided on an opposite side of the fourth cable port, and a power cable of the processor is connected to an external power source through the fifth cable port.