CN218895846U - Transducer of ultrasonic equipment - Google Patents

Abstract

The utility model discloses an ultrasonic equipment transducer, comprising: the transducer main body comprises a shell, a joint is fixedly arranged at the left end of the shell, the joint is in a conical design, and a conical end fillet is designed. The connector is in a conical design, the conical end is in a round angle design, the speed of fluid flowing through the circular arc surface of the connector is faster than that of a cylinder, the circular arc profile streamline is smoother, the flow state of the fluid flowing through the circular arc surface is more stable, the ultrasonic signals are more easily captured, and the metering precision is improved.

Description

Transducer of ultrasonic equipment

Technical Field

The utility model relates to the technical field of ultrasonic equipment, in particular to an ultrasonic equipment transducer.

Background

The transducer is used for transmitting and receiving ultrasonic signals and is an important part for influencing the measurement accuracy of the ultrasonic flowmeter. Under the action of the control circuit, the transducers simultaneously transmit ultrasonic signals and simultaneously receive ultrasonic signals transmitted by the other party, and due to the influence of flow velocity, the ultrasonic signals received by the two ultrasonic transducers are different in time, so that a time difference delta t exists.

As shown in FIG. 3, the prior transducers are mostly cylindrical bodies a and b, and the stability of fluid flowing through the surface of the cylindrical body a is poor, and the stability is an important factor affecting the measuring precision of the ultrasonic water meter.

Therefore, we propose an ultrasonic device transducer in order to solve the problems set forth in the above.

Disclosure of Invention

The present utility model is directed to an ultrasonic transducer for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an ultrasonic device transducer, comprising: the transducer main body comprises a shell, a joint is fixedly arranged at the left end of the shell, the joint is in a conical design, and a conical end fillet is designed.

Preferably, a fixing piece is integrally arranged on the shell of the transducer main body and is fixedly connected with external equipment.

Preferably, the transducer body further comprises an electrical cable, a piezoelectric patch and a patch panel.

Preferably, the piezoelectric sheet and the wiring board are fixedly installed in the housing.

Preferably, the cable is penetrated by a wire guide hole formed in the fixing piece, and the cable is connected with the wiring board in a conductive manner.

Preferably, a matching layer is arranged among the wiring board, the piezoelectric sheet and the shell, and the matching layer mainly consists of an adhesive.

Compared with the prior art, the utility model has the beneficial effects that:

the joint is fixedly arranged at the left end of the shell, the joint is in conical design, the conical end is in round angle design, the speed of fluid flowing through the circular arc surface of the joint is faster than that of a cylinder, the circular arc appearance streamline is smoother, the flow state of the fluid flowing through the circular arc surface is more stable, ultrasonic signals are more easily captured, and the metering precision is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a prior art structure of the present utility model.

In the figure: 1. a transducer body; 2. a joint; 3. a fixing member; 4. a cable; 5. a piezoelectric sheet; 6. a wiring board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

Referring to fig. 1-2, the present utility model provides a technical solution: an ultrasonic device transducer, comprising: the transducer comprises a transducer main body 1, wherein the transducer main body 1 comprises a shell, a joint 2 is fixedly arranged at the left end of the shell, the joint 2 is in a conical design, a conical end fillet is designed, the flow speed of fluid flowing through the circular arc surface of the joint 2 is faster than that of a cylinder, the circular arc profile streamline is smoother, the flow state of the fluid flowing through the circular arc surface is more stable, an ultrasonic signal is more easily captured, and the metering precision is improved;

a fixing piece 3 is integrally arranged on the shell of the transducer main body 1 and is used for being fixedly connected with external equipment;

the transducer main body 1 further comprises a cable 4, a piezoelectric sheet 5 and a wiring board 6, wherein the piezoelectric sheet 5 and the wiring board 6 are fixedly arranged in the shell, the cable 4 is penetrated by a wire guide hole formed in the fixing piece 3, and the cable 4 is in conductive connection with the wiring board 6;

and a matching layer is arranged among the wiring board 6, the piezoelectric sheet 5 and the shell, and the matching layer mainly consists of an adhesive.

Working principle: the connector 2 receives an ultrasonic signal, the ultrasonic signal enters the transducer main body 1 through the connector 2, and the transducer main body 1 converts the received signal into an electric signal and outputs the electric signal.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An ultrasonic device transducer, comprising: transducer main body (1), transducer main body (1) contains shell, its characterized in that: the left end of the shell is fixedly provided with a joint (2), the joint (2) is in conical design, and the conical end is in round angle design.

2. An ultrasonic device transducer according to claim 1, characterized in that the transducer body (1) is provided with a fixing member (3) integrally on the housing, the fixing member (3) being fixedly connected with an external device.

3. An ultrasonic device transducer according to claim 1, characterized in that the transducer body (1) further comprises an electrical cable (4), a piezoelectric patch (5) and a patch panel (6).

4. An ultrasonic device transducer according to claim 3, characterized in that the piezoelectric patch (5) and the patch panel (6) are fixedly mounted within the housing.

5. An ultrasonic device transducer according to claim 4, characterized in that the cable (4) is penetrated by a wire guide provided in the fixing member (3), the cable (4) being electrically connected to the terminal block (6).

6. An ultrasonic device transducer according to claim 5, characterized in that a matching layer is arranged between the wiring board (6), the piezoelectric plate (5) and the housing, the matching layer mainly consisting of an adhesive.

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