CN215841275U - Focusing ultrasonic beauty transducer - Google Patents
Focusing ultrasonic beauty transducer Download PDFInfo
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- CN215841275U CN215841275U CN202122400856.6U CN202122400856U CN215841275U CN 215841275 U CN215841275 U CN 215841275U CN 202122400856 U CN202122400856 U CN 202122400856U CN 215841275 U CN215841275 U CN 215841275U
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Abstract
The utility model relates to a focusing ultrasonic beauty transducer, belonging to the technical field of beauty instruments. The energy converter comprises a chip of a lens type focusing energy converter, and the chip of the lens type focusing energy converter is tightly combined with the beauty head body; the differences are: the chip of the lens type focusing transducer is made of 1-3 piezoelectric composite materials, and the high mechanical quality Qm value is more than or equal to 900; the beauty head body comprises a cylindrical base and a cambered surface circular truncated cone; the optimal geometric dimension of each part of the beauty head body is obtained by actual debugging; the beauty head body is made of titanium alloy stainless steel. Compared with the prior art, the ultrasonic beauty transducer has the characteristics of high vibration massage efficiency, small heating loss, lower cost, small volume and the like.
Description
Technical Field
The utility model relates to the technical field of beauty instruments, in particular to an ultrasonic beauty energy conversion device.
Background
The application range of the ultrasonic technology in medical health care, medical cosmetology and the like is rapidly expanded, such as ultrasonic weight loss, ultrasonic scar removal, ultrasonic skin cleaning and the like. To realize the beauty functions, a device for converting electric energy into ultrasonic waves is needed, and the key device is an ultrasonic beauty transducer which is a key device for cleaning skin, activating skin and other beauty functions.
The ultrasonic beauty instrument is connected to the ultrasonic beauty transducer through a cable, the beauty instrument sends high-pulse (or sub-wave) electric signals to a piezoelectric chip of the ultrasonic beauty transducer, and the piezoelectric chip converts the electric signals into high-frequency oscillating ultrasonic waves which are transmitted to the beauty head body through an amplitude transformer. The ultrasonic pulse is transmitted to the human body contact end face through the cosmetic head body, so that the cosmetic head body synchronously generates mechanical vibration.
In order to reduce the size of the cosmetic transducer, it is often desirable to eliminate the separate provision of the horn. However, the technical disadvantages are: the matching design of the acoustic impedance of the transducer to the cosmetic head body is often not reasonable. The matching degree of acoustic impedance of the transducer and the cosmetic head body is poor, and the ultrasonic energy propagation loss is large, so that the cosmetic effect is greatly reduced. In addition, the poor acoustic impedance matching degree between the transducer and the beauty head body easily causes the transducer to generate heat, so that the high mechanical quality factor Qm value of the transducer is sharply reduced, and the skin may be damaged.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects commonly existing in the existing market, the utility model provides a focusing ultrasonic beauty transducer which has the characteristics of small ultrasonic energy transmission loss, small temperature rise and heat generation, lower cost, small volume and the like compared with the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: a focusing ultrasonic beauty energy converter comprises a chip of a lens type focusing energy converter, wherein the chip of the lens type focusing energy converter is tightly combined with a beauty head body; the differences are: the chip of the lens type focusing transducer is made of 1-3 piezoelectric composite materials, and the high mechanical quality Qm value is more than or equal to 900;
the beauty head body comprises a cylindrical base 4 and a cambered surface circular truncated cone;
the diameter of the cylindrical base is 34.1-34.3 mm, and the height of the cylindrical base is 5.4-5.6 mm; the radius of the cambered surface cone is 40 mm; the height of the beauty head body is 14.0-14.2 mm, and the diameter of the upper surface of the cambered surface circular truncated cone is 9.8-10 mm;
the beauty head body is made of titanium alloy stainless steel.
The diameter of the chip of the lenticular focusing transducer is 20 mm.
The utility model has the beneficial effects that: the piezoelectric chip of the medical focusing cosmetic head adopts the piezoelectric chip with high mechanical quality factor. The high mechanical quality (Qm value up to 900) developed by the factory is applied, so that the loss of the chip during the electro-acoustic energy conversion is reduced, and the heat productivity of the chip is reduced. When a piezoelectric chip of the beauty treatment head is researched, the electromechanical coupling number of parameters related to the conversion efficiency is also considered, the electromechanical coupling coefficient applied to the beauty treatment head body reaches 0.56, and the parameters represent the efficiency of converting an electric signal sent by a beauty treatment instrument into an ultrasonic signal. Because the beauty head applies high mechanical quality factor and high electromechanical coupling coefficient, the defect that the common beauty head is easy to generate heat is overcome, and the use safety is greatly improved.
In order to improve the utilization efficiency of the ultrasonic wave to the maximum extent, the cosmetic head body is designed into a focusing mode. According to the propagation characteristics of the ultrasonic waves, the focusing curve of the beauty head body is designed by combining material parameters such as density and acoustic impedance of the beauty head body material, so that the sound wave energy emitted by the chip of the lens type focusing transducer can be transmitted and collected on the surface of the beauty head body contacting with the skin to the maximum extent. In addition, because the positions of the two sides of the nose wing of the face, the periphery of the eyelid and the like are narrow, the positions are difficult to contact and maintain, and the cosmetic head with the cambered surface truncated cone is very suitable for the contact and maintenance of the positions by adopting the focusing ultrasonic cosmetic transducer.
In addition, the cosmetic head body is made of titanium alloy stainless steel with low density and low acoustic impedance, so that the cosmetic head body can be matched with the acoustic impedance of the chip, and the loss of sound waves in the transmission process is minimized.
Compared with the prior art, the ultrasonic cosmetic transducer has the characteristics of small ultrasonic energy transmission loss, small heating, low cost, high yield and the like.
Drawings
Fig. 1 is a schematic diagram of the structure of the focused ultrasound cosmetic transducer of the present invention.
Figure 2 is a schematic top view of a focused ultrasound cosmetic transducer of the present invention.
Fig. 3 is a graphical representation of high mechanical quality Qm values versus temperature for an ultrasonic cosmetic transducer.
The reference symbols: 1-chip of a lenticular focusing transducer; 2-cosmetic head body; 3-cambered surface round table body; 4-a cylindrical base; 5-cambered surface of the cambered surface cone; 6-the upper surface of the cambered surface round table.
Detailed Description
The utility model is explained in further detail below with reference to the drawing.
A focusing ultrasonic beauty energy converter comprises a chip 1 of a lens type focusing energy converter, wherein the chip 1 of the lens type focusing energy converter is tightly combined with a beauty head body 2; the differences are: the chip 1 of the lens type focusing transducer is made of 1-3 piezoelectric composite materials, and the high mechanical quality Qm value is more than or equal to 900;
the beauty head body 2 comprises a cylindrical base 4 and a cambered surface circular truncated cone 3;
the diameter of the cylindrical base 4 is 34.1-34.3 mm, and the height of the cylindrical base 4 is 5.4-5.6 mm; the radius of the cambered surface 5 of the cambered surface cone is 40 mm; the height of the beauty head body 2 is 14.0-14.2 mm, and the diameter of the upper surface 6 of the cambered surface circular truncated cone is 9.8-10 mm;
the beauty head body 2 is made of titanium alloy stainless steel.
The diameter of the chip 1 of the lenticular focusing transducer is 20 mm.
The optimal geometric dimension of each part of the beauty head body is obtained by actual debugging.
Claims (2)
1. A focusing ultrasonic beauty transducer comprises a chip (1) of a lens type focusing transducer, wherein the chip (1) of the lens type focusing transducer is tightly combined with a beauty head body (2); the method is characterized in that: the chip (1) of the lens type focusing transducer is made of 1-3 piezoelectric composite materials, and the high mechanical quality Qm value is more than or equal to 900;
the beauty head body (2) comprises a cylindrical base (4) and an arc-surface round table body (3);
the diameter of the cylindrical base (4) is 34.1-34.3 mm, and the height of the cylindrical base (4) is 5.4-5.6 mm; the radius of the cambered surface (5) of the cambered surface cone is 40 mm; the height of the beauty head body (2) is 14.0-14.2 mm, and the diameter of the upper surface (6) of the cambered surface circular truncated cone is 9.8-10 mm;
the beauty head body (2) is made of titanium alloy stainless steel.
2. The focused ultrasound cosmetic transducer of claim 1, wherein: the diameter of the chip (1) of the lenticular focusing transducer is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400856.6U CN215841275U (en) | 2021-10-02 | 2021-10-02 | Focusing ultrasonic beauty transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400856.6U CN215841275U (en) | 2021-10-02 | 2021-10-02 | Focusing ultrasonic beauty transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215841275U true CN215841275U (en) | 2022-02-18 |
Family
ID=80258916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400856.6U Active CN215841275U (en) | 2021-10-02 | 2021-10-02 | Focusing ultrasonic beauty transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215841275U (en) |
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2021
- 2021-10-02 CN CN202122400856.6U patent/CN215841275U/en active Active
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