CN217155492U - Conduction sound wave structure - Google Patents
Conduction sound wave structure Download PDFInfo
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- CN217155492U CN217155492U CN202122285038.6U CN202122285038U CN217155492U CN 217155492 U CN217155492 U CN 217155492U CN 202122285038 U CN202122285038 U CN 202122285038U CN 217155492 U CN217155492 U CN 217155492U
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- acoustic wave
- sound wave
- transducer
- flow channel
- cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a conduction sound wave structure, include: the device comprises a cylinder body, wherein a flow channel is arranged in the cylinder body; a transmitting acoustic wave assembly comprising a first acoustic wave transducer and an acoustic conduction transmitting member, a first end of the acoustic conduction transmitting member being connected to the first acoustic wave transducer, a second end of the acoustic conduction transmitting member passing through the body of the cylinder and extending into the flow channel; a sound receiving assembly including a second sound wave transducer and a sound receiving and conducting member, a first end of the sound receiving and conducting member being connected to the second sound wave transducer, a second end of the sound receiving and conducting member passing through the body of the cylinder and extending into the flow channel; and, the acoustic wave conduction transmission member may transmit an ultrasonic wave signal to the acoustic wave reception conduction member through the flow channel. The technical scheme of the utility model the decay of sound wave signal can be avoided, transmission efficiency is improved.
Description
Technical Field
The utility model relates to an ultrasonic flowmeter technical field, concretely relates to conduction sound wave structure.
Background
Ultrasonic flow meters are meters that measure flow by detecting the effect of fluid flow on an ultrasonic beam (or pulse). The flow meter adopts advanced multi-pulse technology, signal digital processing technology and error correction technology, so that the flow meter can be more suitable for the environment of an industrial field, and the metering is more convenient, economic and accurate.
In the prior art, a 45-degree inclined reflecting surface is usually arranged at the center of a flow channel by adopting a supporting structure, and the sound wave emitted towards a transducer and arranged on a pipe wall is reflected twice to a receiving surface of another transducer which is also arranged on the pipe wall. The disadvantages of this approach include:
1. the coupling surface of the transducer itself needs to be immersed in the fluid and the transducer needs to be able to withstand the pressure of the fluid
2. The coupling plane of the transducer is mounted on the wall of the circular flow channel, which can damage the cross section shape of the flow channel;
3. the reflecting surface and the supporting structure thereof generate interference to a flow field, and are more obvious particularly in a large-flow state; 4. fouling of the reflective surfaces results in reduced reflectivity and significant attenuation of the acoustic signal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a conduction sound wave structure aims at having avoided the decay of sound wave signal, improves transmission efficiency.
The utility model discloses the above-mentioned problem that will solve is through following technical scheme in order to realize:
a conducted acoustic wave structure, comprising:
a barrel comprising a flow channel, the flow channel located inside the barrel;
the sound wave transmitting assembly comprises a first sound wave transducer and a sound wave conduction transmitting component, the first sound wave transducer is connected to the outer end of the cylinder, the first end of the sound wave conduction transmitting component is connected with the first sound wave transducer, and the second end of the sound wave conduction transmitting component penetrates through the body of the cylinder and extends into the flow channel;
the sound wave receiving and conducting component comprises a second sound wave transducer and a sound wave receiving and conducting component, the second sound wave transducer is connected to the outer end of the cylinder, the first end of the sound wave receiving and conducting component is connected with the second sound wave transducer, and the second end of the sound wave receiving and conducting component penetrates through the body of the cylinder and extends into the flow channel;
and, the acoustic wave conduction transmission member may transmit an ultrasonic wave signal to the acoustic wave reception conduction member through the flow channel.
Preferably, the input end of the first acoustic wave transducer is provided with a first electric wire, and the first electric wire is used for being connected with an electric signal input terminal.
Preferably, the input end of the second sound wave transducer is provided with a second electric wire, and the second electric wire is used for being connected with an electric signal receiving terminal.
Preferably, the first acoustic transducer and the second acoustic transducer are located on the same straight line parallel to the fluid flow direction of the flow passage, and both the first acoustic transducer and the second acoustic transducer are connected to the outer wall of the cylinder.
Preferably, sound wave conduction emission part includes first vibration arm and transmitter, the first end of first vibration arm is connected on first acoustic wave transducer's the first coupling point, the second end of first vibration arm passes the barrel and with the transmitter is connected, the transmitter is located flow channel's inside.
Preferably, the emitting member is located at an inner center position of the flow passage, and a cross section of the emitting member along the axial direction of the cylinder is perpendicular to a fluid flowing direction of the flow passage.
Preferably, a first through hole is formed in the cylinder, the first through hole is communicated with the flow channel, and the inner wall of the first through hole is connected with the outer wall of the first vibration arm.
Preferably, the sound wave receiving and conducting member includes a second vibration arm and a receiving member, a first end of the second vibration arm is connected to the second coupling point of the second sound wave transducer, a second end of the second vibration arm passes through the cylinder and is connected to the receiving member, and the receiving member is located inside the flow passage.
Preferably, the receiver is located at an inner center position of the flow passage, and a cross section of the receiver along an axial direction of the cartridge body is perpendicular to a fluid flow direction of the flow passage.
Preferably, a second through hole is formed in the cylinder, the second through hole is communicated with the flow channel, and the inner wall of the second through hole is connected with the outer wall of the second vibration arm.
Has the advantages that: the technical scheme of the utility model is that through first sound wave transducer outside flow channel's barrel, again by first sound wave transducer with acoustic energy transfer to sound wave conduction emission part, then again by acoustic conduction emission part transmission acoustic energy through flow channel to acoustic wave receive conduction part, receive conduction part transmission acoustic energy to second sound wave transducer by the sound wave immediately again, accomplish the conduction of sound wave; furthermore, the design of the installation reflecting surface can be reduced, the interference of the installation transducer to the flow field is effectively reduced, the attenuation of sound wave signals is avoided, and the transmission efficiency is improved; meanwhile, the transducer can be prevented from bearing excessive pressure of fluid, and the service life of the transducer is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a conducted acoustic wave structure according to the present invention.
Fig. 2 is a schematic structural diagram of a transmitting acoustic wave assembly according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a receiving acoustic wave assembly according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of an embodiment of a conducted acoustic wave structure according to the present invention.
The reference numbers illustrate: 100-barrel body; 101-a flow channel; 102-a first via; 103-a second via; 200-a transmitting acoustic wave assembly; 210-a first acoustic wave transducer; 211 — a first coupling point; 212 — a first wire; 220-a sound wave conductive transmission member; 221-a first vibrating arm; 222-a transmitter; 230-a first support; 300-a receive acoustic wave assembly; 310-a second acoustic transducer; 311-second coupling point; 312 — a second wire; 320-an acoustic wave receiving conductive member; 321-a second vibrating arm; 322-receiver; 330-second support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a conduction sound wave structure.
As shown in fig. 1 and 4, in an embodiment of the present invention, the conductive acoustic wave structure; the method comprises the following steps:
a cartridge 100, said cartridge 100 comprising a flow channel 101, said flow channel 101 being located inside said cartridge 100;
a transmitting acoustic wave assembly 200, said transmitting acoustic wave assembly 200 comprising a first acoustic wave transducer 210 and an acoustic wave conductive transmitting member 220, said first acoustic wave transducer 210 being attached to the outer end of said cylinder 100, a first end of said acoustic wave conductive transmitting member 220 being attached to said first acoustic wave transducer 210, a second end of said acoustic wave conductive transmitting member 220 passing through the body of said cylinder 100 and extending into said flow channel 101;
a receiving acoustic wave assembly 300, wherein the receiving acoustic wave assembly 300 comprises a second acoustic wave transducer 310 and an acoustic wave receiving and conducting member 320, the second acoustic wave transducer 310 is connected to the outer end of the cylinder 100, a first end of the acoustic wave receiving and conducting member 320 is connected to the second acoustic wave transducer 310, and a second end of the acoustic wave receiving and conducting member 320 passes through the body of the cylinder 100 and extends into the flow channel 101; wherein the outer end can be directly or indirectly connected to the barrel 100;
also, the acoustic wave conduction transmission member 220 may transmit an ultrasonic wave signal to the acoustic wave reception conduction member 320 through the flow channel 101.
The technical scheme of the utility model is that through first sound wave transducer outside flow channel's barrel, again by first sound wave transducer with acoustic energy transfer to sound wave conduction emission part, then again by acoustic conduction emission part transmission acoustic energy through flow channel to acoustic wave receive conduction part, receive conduction part transmission acoustic energy to second sound wave transducer by the sound wave immediately again, accomplish the conduction of sound wave; furthermore, the design of the installation reflecting surface can be reduced, the interference of the installation transducer to the flow field is effectively reduced, the attenuation of sound wave signals is avoided, and the transmission efficiency is improved; meanwhile, the transducer can be prevented from bearing excessive pressure of fluid, and the service life of the transducer is prolonged.
The ultrasonic transducer is also called as an ultrasonic transducer, and the ultrasonic transducer has the function of converting input electric power into mechanical power (namely ultrasonic wave) and then transmitting the mechanical power, and consumes a part of power. One of the transducers consists of a shell, a matching layer, a piezoelectric ceramic disc transducer, a back lining, a lead-out cable and a Cymbal array receiver. The piezoelectric ceramic disc transducer is made of PZT-5 piezoelectric materials polarized in the thickness direction, and the Cymbal array receiver is composed of 8-16 Cymbal (brass disc) transducers, two metal rings and a rubber gasket.
Specifically, as shown in fig. 4, the input end of the first acoustic wave transducer 210 is provided with a first electric wire 212, and the first electric wire 212 is used for connecting with an electric signal input terminal;
the input of the second acoustic transducer 310 is provided with a second electrical wire 312, said second electrical wire 312 being for connection to an electrical signal receiving terminal.
In this embodiment, both the electrical signal input terminal and the electrical signal receiving terminal can be selected as the control terminal, and the control terminal can include a communication control terminal such as a mobile phone and a computer.
In the present embodiment, as shown in fig. 4, the first acoustic transducer 210 is connected to the outer wall of the cylindrical body 100 via the first holder 230, and the second acoustic transducer 310 is connected to the outer wall of the cylindrical body 100 via the second holder 330.
Specifically, as shown in fig. 4, in the present embodiment, the first acoustic transducer 210 and the second acoustic transducer 310 are located on the same straight line parallel to the fluid flowing direction of the flow channel 101, and both the first acoustic transducer 210 and the second acoustic transducer 310 are connected to the outer wall of the cylinder 100; the first acoustic wave transducer and the second acoustic wave transducer which are arranged in the same horizontal linear direction can ensure the smoothness of acoustic wave transmission, and meanwhile, the attractiveness of the structure can be ensured.
Specifically, as shown in fig. 2 and 4, the acoustic wave transmission member 220 includes a first vibration arm 221 and a radiator 222, a first end of the first vibration arm 221 is connected to the first coupling point 211 of the first acoustic wave transducer 210, a second end of the first vibration arm 221 passes through the cylinder 100 and is connected to the radiator 222, and the radiator 222 is located inside the flow channel 101.
As shown in fig. 2, in the present embodiment, the emitting member 222 is located at the inner center of the flow channel 101, and the cross section of the emitting member 222 along the axial direction of the cylinder 100 is perpendicular to the fluid flowing direction of the flow channel 101. In one embodiment, the launching member 222 may be a first vibration hammer, which is cylindrical or spherical.
Specifically, as shown in fig. 4, in the present embodiment, a first through hole 102 is provided on the cylinder 100, the first through hole 102 communicates with the flow channel 101, and an inner wall of the first through hole 102 is connected to an outer wall of the first vibration arm 221.
Specifically, as shown in fig. 3 and 4, the sound wave receiving and conducting member 320 includes a second vibration arm 321 and a receiving member 322, a first end of the second vibration arm 321 is connected to the second coupling point of the second sound wave transducer, a second end of the second vibration arm 321 passes through the cylinder 100 and is connected to the receiving member 322, and the receiving member 322 is located inside the flow channel 101.
As shown in fig. 3, in the present embodiment, the receiving member 322 is located at an inner center position of the flow channel 101, and a cross section of the receiving member 322 along the axial direction of the cartridge 100 is perpendicular to the fluid flowing direction of the flow channel 101. In one embodiment, the receiving member 322 may be a second vibration hammer, which is cylindrical or spherical.
It will also be appreciated that the receiving element 322 and the emitting element 222 are both located on the same axis in the inner center of the flow channel 101; the sound wave transmission efficiency can be guaranteed, and excessive interference is avoided.
Specifically, as shown in fig. 4, in the present embodiment, the cylinder 100 is provided with a second through hole 103, the second through hole 103 communicates with the flow channel 101, and an inner wall of the second through hole 103 is connected to an outer wall of the second vibration arm 321.
Only a small through hole is needed on the wall of the flow channel to serve as a fulcrum of the vibrating arm, and the cross section shape of the flow channel can be kept to the maximum extent by combining the fulcrum structure design with the arc inner side, so that the interference of the installed transducer on the flow field is effectively reduced.
The vibration hammer can transmit and receive sound waves in the axial direction at the center of the flow channel, and the efficiency reduction caused by the performance reduction of the reflecting surface is avoided without the reflecting surface.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A conducted acoustic wave structure, comprising:
a barrel comprising a flow channel, the flow channel located inside the barrel;
the sound wave transmitting assembly comprises a first sound wave transducer and a sound wave conduction transmitting component, the first sound wave transducer is connected to the outer end of the cylinder, the first end of the sound wave conduction transmitting component is connected with the first sound wave transducer, and the second end of the sound wave conduction transmitting component penetrates through the body of the cylinder and extends into the flow channel;
the sound wave receiving and conducting component comprises a second sound wave transducer and a sound wave receiving and conducting component, the second sound wave transducer is connected to the outer end of the cylinder, the first end of the sound wave receiving and conducting component is connected with the second sound wave transducer, and the second end of the sound wave receiving and conducting component penetrates through the body of the cylinder and extends into the flow channel;
and, the sound wave conduction transmission member may transmit an ultrasonic wave signal to the sound wave reception conduction member through the flow channel.
2. A conducted acoustic wave structure according to claim 1, wherein the input of the first acoustic wave transducer is provided with a first electrical wire for connection to an electrical signal input terminal.
3. A conducted acoustic wave structure according to claim 1, wherein the input of the second acoustic wave transducer is provided with a second electrical wire for connection to an electrical signal receiving terminal.
4. A conducted acoustic wave structure according to claim 1, wherein the first acoustic wave transducer and the second acoustic wave transducer are in the same line parallel to the direction of fluid flow in the flow channel, and both the first acoustic wave transducer and the second acoustic wave transducer are attached to the outer wall of the cylinder.
5. A conducted acoustic wave structure according to claim 1, wherein the acoustic wave transmitting member includes a first vibrating arm and a radiator, a first end of the first vibrating arm is connected to the first coupling point of the first acoustic wave transducer, a second end of the first vibrating arm passes through the cylinder and is connected to the radiator, and the radiator is located inside the flow channel.
6. A conducted acoustic wave structure according to claim 5, wherein the radiator is located at an inner center position of the flow channel, and a cross section of the radiator along an axial direction of the cylinder is perpendicular to a fluid flowing direction of the flow channel.
7. A conducting acoustic wave structure according to claim 5, wherein a first through hole is provided in the cylinder, said first through hole communicates with said flow path, and an inner wall of said first through hole is connected to an outer wall of said first vibrating arm.
8. A conducting acoustic wave structure according to claim 1, wherein the acoustic wave receiving and conducting member includes a second vibrating arm and a receiving member, a first end of the second vibrating arm is connected to the second coupling point of the second acoustic wave transducer, a second end of the second vibrating arm passes through the cylinder and is connected to the receiving member, and the receiving member is located inside the flow channel.
9. A conducting acoustic wave structure according to claim 8, wherein said receiver is located at an inner center position of said flow passage, and a cross section of said receiver along an axial direction of said barrel is perpendicular to a fluid flowing direction of said flow passage.
10. A structure for conducting acoustic waves according to claim 8, wherein said cylinder is provided with a second through hole, said second through hole communicating with said flow path, and an inner wall of said second through hole being connected to an outer wall of said second vibrating arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122285038.6U CN217155492U (en) | 2021-09-18 | 2021-09-18 | Conduction sound wave structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122285038.6U CN217155492U (en) | 2021-09-18 | 2021-09-18 | Conduction sound wave structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155492U true CN217155492U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122285038.6U Active CN217155492U (en) | 2021-09-18 | 2021-09-18 | Conduction sound wave structure |
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| CN (1) | CN217155492U (en) |
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2021
- 2021-09-18 CN CN202122285038.6U patent/CN217155492U/en active Active
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