CN114733740B - Modularized high-power ultrasonic transducer - Google Patents

Abstract

The invention discloses a modularized high-power ultrasonic transducer, comprising: an output module assembly, a back-end module assembly and a plurality of power module assemblies, all the power module assemblies are connected in series, and the power module assembly at one end is connected to the output module assembly, The power module assembly at the other end is connected to the back-end module assembly, and the natural frequencies of the output module assembly, the back-end module assembly and each power module assembly are consistent. By increasing the number of power module components, the power capacity of the single transducer is effectively improved. Since the natural frequencies of the output module components, the back-end module components and each power module component are consistent, only one power amplifier matching circuit can be provided to the output The high-frequency electrical signal is input into the module component, the back-end module component and multiple power module components, and finally the ultrasonic wave is output from the front end of the output module component, which is convenient for adjusting the ultrasonic power during the ultrasonic treatment test process. It has high flexibility, high power, and connection Flexible and convenient, low heat and many other advantages.

Description

A modular high-power ultrasonic transducer

technical field

The invention relates to the technical field of power ultrasound, more specifically, to a modular high-power ultrasonic transducer.

Background technique

The ultra-high-power rod-type ultrasonic system structure in the prior art is only a simple series connection of single transducers, and it is difficult to achieve the same frequency resonance between the individual monomers. Therefore, multiple power matching circuits are configured in the ultrasonic signal generation circuit. To implement This kind of complex power regulation is very difficult technically. In the ultrasonic treatment test process, if you want to achieve different treatment effects, you need to adjust the transducer power frequently. When the existing ultrasonic system structure adjusts the transducer power , it takes a lot of time and manpower.

To sum up, how to solve the problems of difficulty in power regulation and low efficiency of transducer adjustment during ultrasonic treatment testing in the existing rod-type ultrasonic system structure is an urgent problem to be solved by those skilled in the art.

Contents of the invention

In view of this, the purpose of the present invention is to provide a modular high-power ultrasonic transducer, only one power amplifier matching circuit is required, which reduces the difficulty of power regulation.

In order to achieve the above object, the present invention provides the following technical solutions:

A modular high-power ultrasonic transducer, comprising: an output module assembly, a back-end module assembly and a plurality of power module assemblies, all of the power module assemblies are connected in series, and the power module assembly at one end is connected to the output module assembly The power module assembly at the other end is connected to the back-end module assembly, and the natural frequencies of the output module assembly, the back-end module assembly, and each of the power module assemblies are consistent.

Preferably, the output module assembly includes several first piezoelectric elements, a first front cover, a first rear cover pad, a first rear cover and a first screw, the first front cover, all of the first A piezoelectric element, the first rear cover pad and the first rear cover are arranged in sequence, and the first screw rod is arranged along the first central screw hole of the first front cover, all the first piezoelectric elements The center of the element, the first rear cover pad and the first rear cover plate passes through, and the rear end of the first screw protrudes from the first rear cover pad.

Preferably, the power module assembly includes a plurality of second piezoelectric elements, a second front cover, a second rear cover pad, a second rear cover and a second screw, the second front cover, all of the first Two piezoelectric elements, the second rear cover pad and the second rear cover are arranged in sequence, and the second screw rod is arranged along the second front cover, all the second piezoelectric elements, the second The rear cover pad and the center of the second rear cover plate pass through, the rear end of the second screw protrudes from the second rear cover pad, and the end surface of the second front cover plate is provided with a first receiving groove, When the power module assembly is connected to the output module assembly, the rear end of the first screw is inserted into the second central screw hole of the second front cover.

Preferably, the rear-end module assembly includes several third piezoelectric elements, a third front cover, a third rear cover pad, a third rear cover and a third screw, the third front cover, all of the The third piezoelectric element, the third rear cover pad, and the third rear cover are arranged in sequence, and the third screw rod is arranged along the third front cover, all the third piezoelectric elements, the first Three rear cover pads and the center of the third rear cover plate pass through, the rear end of the third screw rod is flush with the third rear cover pad, and the end surface of the third front cover plate is configured to accommodate the The second receiving groove of the second rear cover pad, when the power module assembly is connected with the output module assembly, the rear end of the second screw is inserted into the third central screw hole of the third front cover.

Preferably, the natural frequencies of the output module components, the back-end module components and all the power module components are half-wavelength frequencies.

The modular high-power ultrasonic transducer provided by the application effectively improves the power capacity of the single transducer by increasing the number of power module components, because the output module components, the back-end module components and each of the power The natural frequencies of the module components are the same, and only one power amplifier matching circuit can be used to input high-frequency electrical signals to the output module component, the back-end module component and multiple power module components, and finally the front end of the output module component outputs ultrasonic waves, which is convenient for ultrasonic Adjusting the ultrasonic power during the treatment test can achieve different treatment effects. It has many advantages such as high flexibility, high power, flexible and convenient connection, and low heat generation.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the sectional view of the modular high-power ultrasonic transducer provided by the present invention;

Fig. 2 is a sectional view of the output module assembly provided by the present invention;

3 is a cross-sectional view of a power module assembly provided by the present invention;

Fig. 4 is a sectional view of the back-end module assembly provided by the present invention;

Fig. 5 is a schematic diagram of the natural frequencies of the output module assembly, the back-end module assembly and all power module assemblies provided by the present invention.

In Figure 1-5:

1-output module assembly, 2-power module assembly, 3-rear end module assembly, 4-first front cover, 5-first piezoelectric element, 6-first rear cover pad, 7-first rear cover , 8-the first screw, 9-the first receiving groove, 10-the second front cover, 11-the second piezoelectric element, 12-the second rear cover pad, 13-the second rear cover, 14-the second Screw rod, 15-the second receiving groove, 16-the third front cover plate, 17-the third piezoelectric element, 18-the third rear cover pad, 19-the third rear cover plate, 20-the third screw rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The core of the present invention is to provide a modular high-power ultrasonic transducer, only one power amplifier matching circuit is required, which reduces the difficulty of power regulation.

Please refer to Figures 1-5, a modular high-power ultrasonic transducer, including: output module assembly 1, back-end module assembly 3 and multiple power module assemblies 2, all power module assemblies 2 are connected in series, and the power module at one end The component 2 is connected to the output module component 1, and the power module component 2 at the other end is connected to the back-end module component 3. The natural frequencies of the output module component 1, the back-end module component 3 and each power module component 2 are consistent.

It should be noted that the 3 back-end module components, all the power module components 2 and the output module component 1 are transducers, which can convert high-frequency electrical signals into high-frequency vibrations and amplify the amplitude, and the current signals are transmitted by the back-end Module component 3, all power module components 2 and output module components 1 are input, and finally the back-end module component 3, all power module components 2 and output module components 1 output high-frequency vibrations to the front end of output module component 1 to generate ultrasonic waves.

The modular high-power ultrasonic transducer provided by this application effectively improves the power capacity of the single transducer by increasing the number of power module components 2, because the output module component 1, the back-end module component 3 and each power module The natural frequency of component 2 is consistent, and only one power amplifier matching circuit can be used to input high-frequency electrical signals to output module component 1, back-end module component 3 and multiple power module components 2, and finally output ultrasonic waves from the front end of output module component 1 , It is convenient to adjust the ultrasonic power during the ultrasonic treatment test, and can achieve different treatment effects. It has many advantages such as high flexibility, high power, flexible and convenient connection, and low heat generation.

On the basis of the above embodiments, as a further preference, the output module assembly 1 includes several first piezoelectric elements 5, a first front cover 4, a first rear cover pad 6, a first rear cover 7 and a first screw 8. The first front cover plate 4, all the first piezoelectric elements 5, the first rear cover pad 6 and the first rear cover plate 7 are arranged in sequence, and the first screw rod 8 is arranged along the first central screw hole of the first front cover plate 4. , the centers of all the first piezoelectric elements 5 , the first rear cover pad 6 and the first rear cover plate 7 pass through, and the rear end of the first screw rod 8 protrudes from the first rear cover pad 6 .

The first piezoelectric element 5 is an annular plate-shaped structure, the first front cover 4, the first rear cover pad 6 and the first rear cover 7 are all circular cylindrical structures, and the first front cover 4, The hollow parts of the first rear cover pad 6 and the first rear cover plate 7 are all provided with internal threads, and the first screw rod 8 runs along all the first piezoelectric element 5, the first front cover plate 4, the first rear cover pad 6 and the first Through the back cover 7, all the first piezoelectric elements 5 are arranged side by side, and all the first piezoelectric elements 5 are clamped by the first front cover 4 and the first rear cover pad 6 along both sides of all the first piezoelectric elements 5. Electrical components 5. The rear end of the first screw rod 8 protrudes from the first rear cover pad 6 for easy connection with the power module assembly 2 .

On the basis of the above embodiments, as a further preference, the power module assembly 2 includes several second piezoelectric elements 11, a second front cover 10, a second rear cover pad 12, a second rear cover 13 and a second screw 14. The second front cover 10, all the second piezoelectric elements 11, the second rear cover pad 12 and the second rear cover 13 are arranged in sequence, and the second screw 14 is arranged along the second front cover 10, all the second piezoelectric elements The center of the element 11, the second rear cover pad 12 and the second rear cover plate 13 passes through, the rear end of the second screw rod 14 protrudes from the second rear cover pad 12, and the end surface of the second front cover plate 10 is provided with a first accommodating slot 9 , when the power module assembly 2 is connected to the output module assembly 1 , the rear end of the first screw rod 8 is inserted into the second central screw hole of the second front cover plate 10 .

The second piezoelectric element 11 is an annular plate-shaped structure, the second front cover 10, the second rear cover pad 12 and the second rear cover 13 are all circular cylindrical structures, and the second front cover 10, The hollow parts of the second rear cover pad 12 and the second rear cover plate 13 are all provided with internal threads, and the second screw rod 14 runs along all the second piezoelectric element 11, the second front cover plate 10, the second rear cover pad 12 and the second Through the rear cover 13, all the second piezoelectric elements 11 are arranged side by side, and all the second piezoelectric elements 11 are clamped by the second front cover 10 and the second rear cover pad 12 along both sides of the second piezoelectric elements 11. Electric component 11. The rear end of the second screw rod 14 protrudes from the second rear cover pad 12 to facilitate connection with the power module assembly 2 .

When the output module assembly 1 is connected to the power module assembly 2 , the first screw rod 8 is inserted and connected along the central screw hole of the second front cover plate 10 , and the first rear cover pad 6 is inserted into the first receiving groove 9 . When each power module assembly 2 is connected to each other, the second screw rod 14 of the power module assembly 2 at the front end is inserted and connected along the central screw hole of the second front cover plate 10 of the power module assembly 2 at the rear end, and the power module assembly at the front end The second rear cover gasket 12 of 2 is inserted into the first receiving groove 9 of the power module assembly 2 at the rear end.

On the basis of the above embodiments, as a further preference, the rear module assembly 3 includes several third piezoelectric elements 17, a third front cover 16, a third rear cover pad 18, a third rear cover 19 and a third The screw rod 20, the third front cover plate 16, all the third piezoelectric elements 17, the third rear cover pad 18 and the third rear cover plate 19 are arranged in sequence, and the third screw rod 20 is arranged along the third front cover plate 16, all the third piezoelectric elements The center of the electric element 17, the third rear cover pad 18 and the third rear cover plate 19 passes through, the rear end of the third screw rod 20 is flush with the third rear cover pad 18, and the end surface of the third front cover plate 16 is arranged for The second receiving groove 15 accommodates the second rear cover gasket 12 , and when the power module assembly 2 is connected to the output module assembly 1 , the rear end of the second screw rod 14 is inserted into the third central screw hole of the third front cover plate 16 .

The third piezoelectric element 17 is an annular plate-shaped structure, the third front cover plate 16, the third rear cover pad 18 and the third rear cover plate 19 are all circular cylindrical structures, and the third front cover plate 16, The hollow parts of the third rear cover pad 18 and the third rear cover plate 19 are all provided with internal threads, and the third screw rod 20 runs along all the third piezoelectric element 17, the third front cover plate 16, the third rear cover pad 18 and the third Through the rear cover 19, all the third piezoelectric elements 17 are arranged side by side, and all the third piezoelectric elements 17 are clamped by the third front cover 16 and the third rear cover pad 18 along both sides of all the third piezoelectric elements 17. Electric component 17.

When the power module assembly 2 is connected to the rear module assembly 3 , the second screw rod 14 is inserted and connected along the central screw hole of the third front cover plate 16 , and the second rear cover gasket 12 is inserted into the second receiving groove 15 .

On the basis of the above embodiments, as a further preference, the natural frequencies of the output module assembly 1 , the back-end module assembly 3 and all the power module assemblies 2 are half-wavelength frequencies. As shown in FIG. 5 , the half-wavelength frequency is the half-wavelength of the wavelength passing through the output module component 1 , the back-end module component 3 and all the power module components 2 .

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The modular high-power ultrasonic transducer provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (1)

1. A modular high power ultrasonic transducer comprising: the power module comprises an output module assembly (1), a rear end module assembly (3) and a plurality of power module assemblies (2), wherein all the power module assemblies (2) are connected in series, the power module assembly (2) at one end is connected with the output module assembly (1), the power module assembly (2) at the other end is connected with the rear end module assembly (3), and the natural frequencies of the output module assembly (1), the rear end module assembly (3) and each power module assembly (2) are consistent;

the natural frequencies of the output module assembly (1), the rear end module assembly (3) and all the power module assemblies (2) are half-wavelength frequencies;

the output module assembly (1) comprises a plurality of first piezoelectric elements (5), a first front cover plate (4), a first rear cover pad (6), a first rear cover plate (7) and a first screw rod (8), wherein the first front cover plate (4), all the first piezoelectric elements (5), the first rear cover pad (6) and the first rear cover plate (7) are sequentially arranged, the first screw rod (8) penetrates through the centers of the first central screw hole of the first front cover plate (4), all the first piezoelectric elements (5), the first rear cover pad (6) and the first rear cover plate (7), and the rear end of the first screw rod (8) protrudes out of the first rear cover pad (6);

the power module assembly (2) comprises a plurality of second piezoelectric elements (11), a second front cover plate (10), a second rear cover pad (12), a second rear cover plate (13) and a second screw rod (14), wherein the second front cover plate (10), all the second piezoelectric elements (11), the second rear cover pad (12) and the second rear cover plate (13) are sequentially arranged, the second screw rod (14) penetrates through the centers of the second front cover plate (10), all the second piezoelectric elements (11), the second rear cover pad (12) and the second rear cover plate (13), the rear end of the second screw rod (14) protrudes out of the second rear cover pad (12), a first accommodating groove (9) is formed in the end face of the second front cover plate (10), and when the power module assembly (2) is connected with the output module screw hole assembly (1), the rear end of the first screw rod (8) is inserted into the second center of the second front cover plate (10).

The rear end module assembly (3) comprises a plurality of third piezoelectric elements (17), a third front cover plate (16), a third rear cover plate pad (18), a third rear cover plate (19) and a third screw rod (20), wherein the third front cover plate (16), all the third piezoelectric elements (17), the third rear cover plate pad (18) and the third rear cover plate (19) are sequentially arranged, the third screw rod (20) penetrates through the centers of the third front cover plate (16), all the third piezoelectric elements (17), the third rear cover pad (18) and the third rear cover plate (19), the rear end of the third screw rod (20) is flush with the third rear cover plate (19), the end face of the third front cover plate (16) is provided with a second accommodating groove (15) for accommodating the second rear cover plate (13), and when the power module assembly (2) is connected with the rear end module assembly (3), the rear end of the second screw rod (14) is inserted into the third front cover plate (16).