Titanium alloy high-power transducer

Abstract

The utility model relates to the technical field of transducers, and provides a titanium alloy high-power transducer which comprises a titanium alloy front cover, an insulating sleeve, an electrode plate, piezoelectric ceramics and an alloy steel rear cover, one side of the titanium alloy front cover is matched with the insulating sleeve, one side, away from the titanium alloy front cover, of the insulating sleeve is matched with the piezoelectric ceramics, and the other side of the insulating sleeve is matched with the alloy steel rear cover. The titanium alloy front cover, the insulating sleeve, the electrode plate, the piezoelectric ceramic and the alloy steel rear cover are combined to form a cavity, a prestressed screw is fixedly connected in the cavity, a connecting tooth hole is formed in an inner cavity of the titanium alloy front cover, a plurality of wrench holes are annularly formed in the surface of the titanium alloy front cover, and a plurality of heat dissipation holes are annularly formed in the surface of the insulating sleeve. According to the utility model, the problem that the front cover is broken during high-power output of the transducer is effectively solved, the threaded holes of the connecting screws cannot be fatigued and slipped during high-power output, the problem that the titanium alloy front cover accumulates heat during high-power output of the transducer is effectively solved, and efficient and rapid heat dissipation is realized by utilizing the efficient heat dissipation characteristic of aluminum alloy.

Description

Technical Field

[0001] The utility model relates to the technical field of transducers, in particular to a high-power titanium alloy transducer. Background Art

[0002] An ultrasonic transducer is a device that realizes the mutual conversion between electrical energy and mechanical energy. After decades of application and research on ultrasonic transducers, the materials and structures of transducers have been continuously improved and developed. Compared with the existing general measurement working environment and requirements, ultrasonic transducers have become relatively mature, and their various acoustic performances have also been greatly improved.

[0003] For example, the ultrasonic transducer with the publication number CN201277871Y discloses an ultrasonic transducer for measuring a corrosive gas medium, which involves the improvement of the ultrasonic transducer, especially the improvement of the corrosion resistance of the transducer, and is applicable to the measurement of gas flow of a corrosive gas medium. The utility model uses a titanium alloy plate to make the front cover (4) and a tungsten steel plate to make the rear cover (6) of the transducer, so that the transducer of the utility model not only has high sensitivity, good anti-interference performance, large signal-to-noise ratio, and high measurement accuracy, effectively ensuring the safety, reliability, and stability of the ultrasonic transducer when working in a gas medium containing corrosive gas, and can be applied to a gas ultrasonic flowmeter to measure the gas flow of a gas medium containing strong corrosive gas. Compared with the existing transducer, the transducer of the utility model broadens the measurement range of the ultrasonic transducer and has good promotion and application prospects.

[0004] However, in the prior art, currently traditional transducers generally have aluminum front covers. Because the characteristics of aluminum alloy are soft and cannot meet the high-power requirements above 5KW, when the power is greater than 5KW, the aluminum front cover will often be broken by vibration, and the service life of the device is affected. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problem in the prior art that currently traditional transducers generally have aluminum front covers. Because the characteristics of aluminum alloy are soft and cannot meet the high-power requirements above 5KW, when the power is greater than 5KW, the aluminum front cover will often be broken by vibration, and the service life of the transducer is shortened.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: it includes a titanium alloy front cover, an insulating sleeve, electrode plates, piezoelectric ceramics, and a steel alloy rear cover. One side of the titanium alloy front cover fits with the insulating sleeve, and the side of the insulating sleeve away from the titanium alloy front cover fits with the piezoelectric ceramics. The titanium alloy front cover, insulating sleeve, electrode plates, piezoelectric ceramics, and steel alloy rear cover are combined to form a cavity, and a prestressed screw is fixedly connected in the cavity.

[0007] As a preferred embodiment, the inner cavity of the titanium alloy front cover is provided with connecting screw holes, and a plurality of wrench holes are annularly formed on the surface of the titanium alloy front cover.

[0008] As a preferred embodiment, a plurality of heat dissipation holes are annularly formed on the surface of the insulating sleeve.

[0009] As a preferred embodiment, electrode plates are fixedly connected in an interspersed manner between adjacent piezoelectric ceramics.

[0010] As a preferred embodiment, one side of the electrode plate is fixedly connected to an alloy steel rear cover.

[0011] As a preferred embodiment, an aluminum heat dissipation intermediate cover is embedded inside the cavity.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0013] The present utility model effectively solves the problem that the front cover breaks when the transducer outputs high power, and the connecting screw holes will not cause fatigue and thread slipping due to high-power output. It also effectively solves the problem of heat accumulation in the titanium alloy front cover when the transducer outputs high power. By utilizing the high-efficiency heat dissipation characteristics of aluminum alloy, heat can be dissipated efficiently and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is an overall structural schematic diagram of a titanium alloy high-power transducer provided by the present utility model;

[0015] Figure 2 FIG. is an overall structural schematic diagram of a titanium alloy high-power transducer provided by the present utility model;

[0016] Figure 3 FIG. is an overall structural sectional schematic diagram of a titanium alloy high-power transducer provided by the present utility model;

[0017] Figure 4 FIG. is an overall structural sectional schematic diagram of a titanium alloy high-power transducer provided by the present utility model.

[0018] LEGEND DESCRIPTION:

[0019] 1. Connecting screw holes; 2. Wrench holes; 3. Heat dissipation holes; 4. Titanium alloy front cover; 5. Prestressing screw; 6. Aluminum heat dissipation intermediate cover; 7. Insulating sleeve; 8. Electrode plate; 9. Piezoelectric ceramic; 10. Alloy steel rear cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 - 4 , the present invention provides a technical solution: a high-power titanium alloy transducer, including a titanium alloy front cover 4, an insulating sleeve 7, an electrode plate 8, a piezoelectric ceramic 9, and a steel alloy rear cover 10. One side of the titanium alloy front cover 4 fits with the insulating sleeve 7, and the side of the insulating sleeve 7 away from the titanium alloy front cover 4 fits with the piezoelectric ceramic 9. The titanium alloy front cover 4, the insulating sleeve 7, the electrode plate 8, the piezoelectric ceramic 9, and the steel alloy rear cover 10 are combined to form a cavity, and a prestressed screw 5 is fixedly connected in the cavity, effectively solving the problem that the front cover breaks when the transducer outputs high power, and the threaded holes of the connecting screws will not cause fatigue and thread slipping due to high-power output. It effectively solves the problem of heat accumulation in the titanium alloy front cover when the transducer outputs high power, and utilizes the high-efficiency heat dissipation characteristics of aluminum alloy to dissipate heat efficiently and quickly.

[0022] As Figures 1 - 4 shown, a connecting threaded hole 1 is provided in the inner cavity of the titanium alloy front cover 4, and a plurality of wrench holes 2 are annularly provided on the surface of the titanium alloy front cover 4. A plurality of heat dissipation holes 3 are annularly provided on the surface of the insulating sleeve 7. The design of the heat dissipation holes 3 improves the overall heat dissipation effect.

[0023] As Figures 1 - 4 shown, an electrode plate 8 is fixedly connected in an interspersed manner between adjacent piezoelectric ceramics 9. In China, it has always been an aluminum front cover + 6 pieces (outer diameter 50mm * inner diameter 20mm * thickness 5mm, piezoelectric ceramic + aluminum rear cover combination, and the maximum effective output power is not large or not durable, and it can no longer meet the market's demand for high-power transducers. The latest transducer technology innovation in China combines a titanium alloy front cover + an aluminum heat dissipation intermediate cover + 6 pieces of piezoelectric ceramics with an outer diameter of 50mm * an inner diameter of 20mm * a thickness of 5mm + a steel alloy rear cover to form a high-power transducer with a maximum output of 8KW. This combination technology is a unique innovation in China, filling the gap in the technology of the maximum output power of 8KW for a 6-piece piezoelectric ceramic combination transducer with an outer diameter of 50mm * an inner diameter of 20mm * a thickness of 5mm.

[0024] As Figures 1 - 4As shown in the figure, one side of the electrode sheet 8 is fixedly connected to an alloy steel rear cover 10. An aluminum heat dissipation intermediate cover 6 is embedded inside the cavity, which effectively solves the problem of heat accumulation on the titanium alloy front cover during high-power output of the transducer. By utilizing the high-efficiency heat dissipation characteristics of aluminum alloy, heat can be dissipated efficiently and quickly. A prestressed screw 5 is fixedly connected to the inner cavity of the alloy steel rear cover 10. The combination of the high-hardness alloy steel rear cover effectively solves the problem that the output power is not large due to plane deformation when prestressing the piezoelectric ceramics, enabling the transducer to output a larger and more stable power.

[0025] Working principle: During use, the connection method of connecting the connecting tooth hole 1 and the prestressed screw 5 is adopted to avoid fatigue wire slipping during high-power output. The titanium alloy front cover accumulates heat, and by utilizing the high-efficiency heat dissipation characteristics of aluminum alloy, heat can be dissipated efficiently and quickly. The combination of the high-hardness alloy steel rear cover effectively solves the problem that the output power is not large due to plane deformation when prestressing the piezoelectric ceramics, enabling the transducer to output a larger and more stable power, extending the service life of the device, and being suitable for large-scale promotion.

[0026] The above is only a preferred embodiment of the present invention, and does not limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A high-power titanium alloy transducer, comprising a titanium alloy front cover (4), an insulating sleeve (7), an electrode plate (8), a piezoelectric ceramic (9), and a steel alloy rear cover (10), characterized in that: One side of the titanium alloy front cover (4) fits with the insulating sleeve (7), one side of the insulating sleeve (7) away from the titanium alloy front cover (4) fits with the piezoelectric ceramic (9), the titanium alloy front cover (4), the insulating sleeve (7), the electrode plate (8), the piezoelectric ceramic (9) and the alloy steel rear cover (10) are combined to form a cavity, and a prestressed screw (5) is fixedly connected in the cavity.

2. The high-power titanium alloy transducer according to claim 1, wherein: A connecting thread hole (1) is arranged in the inner cavity of the titanium alloy front cover (4), and a plurality of wrench holes (2) are annularly arranged on the surface of the titanium alloy front cover (4).

3. A high-power titanium alloy transducer according to claim 1, characterized in that: A plurality of heat dissipation holes (3) are annularly arranged on the surface of the insulating sleeve (7).

4. A high-power titanium alloy transducer according to claim 3, characterized in that: An electrode plate (8) is fixedly connected in an interspersed manner between adjacent piezoelectric ceramics (9).

5. The high-power titanium alloy transducer according to claim 3, wherein: One side of the electrode plate (8) is fixedly connected with an alloy steel rear cover (10).

6. The high-power titanium alloy transducer according to claim 3, wherein: An aluminum heat dissipation intermediate cover (6) is embedded in the cavity.

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