A kind of ultrasonic transducer shell and ultrasonic transducer
A technology for ultrasonic transducers and shells, which is applied in the direction of vibrating fluids, etc., can solve the problems of low pressure resistance, poor temperature characteristics, and large ultrasonic attenuation, etc., to extend the axial joint length, improve quality and performance, and closely match firm effect
Active Publication Date: 2016-03-23
寿光市飞田电子有限公司
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Problems solved by technology
[0007] The problem to be solved by the present invention is to provide an ultrasonic transducer housing for the above problems, which solves the defects of low pressure resistance, large ultrasonic attenuation, poor temperature characteristics, and poor affinity with piezoelectric ceramic sheets in the prior art. After adopting the transducer shell of the present invention, it has the advantages of high pressure resistance, small ultrasonic attenuation, good temperature characteristics, and high affinity with piezoelectric ceramic sheets
Method used
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Embodiment Construction
[0029] Examples such as figure 1 As shown, an ultrasonic transducer shell and an ultrasonic transducer, the ultrasonic transducer shell 3 includes an outer casing 1 and a cover 2 for use in conjunction, the outer casing 1 is made of engineering plastics, and the cover The body 2 is made of titanium alloy, and the outer body 1 made of engineering plastics and the cover body 2 made of titanium alloy are compositely formed. The composite molding method can be realized by means of injection molding, hot melting, thermoplastic or die-casting. It is a conventional technical means adopted by those skilled in the art, so it will not be repeated in this embodiment.
[0030] Such as figure 2 As shown, the outer casing 1 includes a cylindrical sleeve body, and a cylindrical inner hole 1a runs through the cylindrical sleeve body. The cylindrical sleeve body includes a cylindrical inner ring 1b and a cylindrical outer ring 1d, and the cylindrical outer ring 1d is arranged on the cylindri...
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The invention relates to an ultrasonic transducer shell and an ultrasonic transducer. The ultrasonic transducer shell comprises an outer cover body and a cover body in sealing fit. The outer cover body is made of engineering plastics. The cover body is made of titanium alloy. The outer cover body comprises an inner cylinder ring and an outer cylinder ring. An annular groove is formed between the inner cylinder ring and the outer cylinder ring and internally provided with a connecting column, the cover body is provided with a connecting hole matched with the connecting column, and the connecting column on the outer cover body is used for connecting the inner cylinder ring and the outer cylinder ring divided by the annular groove, penetrates through the connecting hole in the cover body and is matched with the connecting hole tightly and firmly. The inner cylinder ring of the outer cover body is higher than the outer cylinder ring, the axial combined length of the outer cover body and the cover body is effectively increased, the quality and the performance of the ultrasonic transducer with the outer shell are effectively improved, accuracy, consistency and reliability of an ultrasonic heat meter and an ultrasonic water meter are improved, and the service life is prolonged.
Description
technical field [0001] The invention relates to a transducer, which is suitable for heat meters or water meters, and is especially suitable for household ultrasonic heat meters and water meters. Specifically, it relates to an ultrasonic transducer shell and an ultrasonic transducer, belonging to transducers technology field. Background technique [0002] With the rapid development of my country's national economy, the demand for resources is increasing. Since the global financial crisis, in order to ensure the sustainable development of my country's national economy, energy conservation has long been put on the agenda, and the country has increased energy conservation efforts. , the corresponding laws and regulations have been promulgated, and it is imperative to charge central heating metering charges and step-by-step water price accurate metering charges. [0003] my country's central heating metering charge meter and ladder water price accurate metering water meter, espec...
Claims
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IPC IPC(8): B06B1/06
Inventor 袁燕飞
Owner 寿光市飞田电子有限公司