CN215841274U - Medical spherical ultrasonic beauty transducer - Google Patents
Medical spherical ultrasonic beauty transducer Download PDFInfo
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- CN215841274U CN215841274U CN202122400855.1U CN202122400855U CN215841274U CN 215841274 U CN215841274 U CN 215841274U CN 202122400855 U CN202122400855 U CN 202122400855U CN 215841274 U CN215841274 U CN 215841274U
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Abstract
The utility model relates to a medical spherical ultrasonic beauty transducer, belonging to the technical field of beauty instruments. The transducer comprises a chip of an ultrasonic beauty transducer, and the chip of the ultrasonic beauty transducer is tightly combined with a beauty head body; the differences are: the chip of the ultrasonic beauty 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 convex spherical body; the optimal geometric dimension of the beauty head body is obtained through 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 ultrasonic beauty instrument is good for beauty, and has the characteristics of great importance on the maintenance of the skin of people along with the enhancement of aesthetic concepts of people.
In the prior art, an ultrasonic beauty instrument is connected to an ultrasonic beauty transducer through a cable, the beauty instrument sends a high-pulse (or sub-wave) electric signal to a piezoelectric chip of the ultrasonic beauty transducer, and the piezoelectric chip converts the electric signal into high-frequency oscillating ultrasonic waves which are transmitted to a 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 the medical spherical ultrasonic cosmetic 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 medical spherical ultrasonic beauty transducer comprises a chip of the ultrasonic beauty transducer, wherein the chip of the ultrasonic beauty transducer is tightly combined with a beauty head body; the differences are: the chip of the ultrasonic beauty 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 convex spherical body;
the diameter of the cylindrical base is 42.0-42.1 mm, and the height of the cylindrical base is 4.9-5.1 mm; the radius of the convex spherical body is 110 mm; the height of the beauty head body is 8.0-8.2 mm;
the beauty head body is made of titanium alloy stainless steel.
The diameter of the chip of the ultrasonic beauty transducer is 20 mm.
The utility model has the beneficial effects that: the piezoelectric chip of the ultrasonic beauty transducer adopts the piezoelectric chip with high mechanical quality factor, and the high mechanical quality (Qm value up to 900) chip which is self-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 0.57, 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 ultrasonic waves to the maximum, the sizes of all parts of the beauty treatment head body are designed according to the propagation characteristics of the ultrasonic waves and material parameters such as density and acoustic impedance of materials of the beauty treatment head body, so that the sound wave energy emitted by a chip of the ultrasonic beauty treatment transducer can be transmitted and collected on the surface of the beauty treatment head body contacting with the skin to the maximum extent. The whole spherical surface of the beauty head can be tightly attached to the skin at the positions of cheeks and the like, so that the skin at the positions of cheeks, noses, the periphery of eyeframes and the like can be well maintained.
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 beauty transducer has the characteristics of small ultrasonic energy transmission loss, small heating and warming, lower cost, small volume and the like.
Drawings
Fig. 1 is a schematic structural diagram of a medical spherical ultrasonic cosmetic transducer of the utility model.
Fig. 2 is a schematic top view of a spherical ultrasound cosmetic medical 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 ultrasonic beauty transducer; 2-cosmetic head body; 3-a convex spherical body; 4-cylindrical base.
Detailed Description
The utility model is explained in further detail below with reference to the drawing.
A medical spherical ultrasonic beauty transducer comprises a chip 1 of the ultrasonic beauty transducer, wherein the chip 1 of the ultrasonic beauty transducer is tightly combined with a beauty head body 2; the differences are: the chip 1 of the ultrasonic beauty 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 convex spherical body 3;
the diameter of the cylindrical base 4 is 42.0-42.1 mm, and the height of the cylindrical base 4 is 4.9-5.1 mm; the radius of the convex spherical body 3 is 110 mm; the height of the beauty head body 2 is 8.0-8.2 mm;
the beauty head body 2 is made of titanium alloy stainless steel.
The diameter of the chip 1 of the ultrasonic beauty 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 medical spherical ultrasonic beauty transducer comprises a chip (1) of the ultrasonic beauty transducer, wherein the chip (1) of the ultrasonic beauty transducer is tightly combined with a beauty head body (2); the method is characterized in that: the chip (1) of the ultrasonic beauty 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 convex spherical body (3);
the diameter of the cylindrical base (4) is 42.0-42.1 mm, and the height of the cylindrical base (4) is 4.9-5.1 mm; the radius of the convex spherical body (3) is 110 mm; the height of the beauty head body (2) is 8.0-8.2 mm;
the beauty head body (2) is made of titanium alloy stainless steel.
2. The spherical medical ultrasonic cosmetic transducer according to claim 1, wherein: the diameter of the chip (1) of the ultrasonic beauty transducer is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400855.1U CN215841274U (en) | 2021-10-02 | 2021-10-02 | Medical spherical ultrasonic beauty transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400855.1U CN215841274U (en) | 2021-10-02 | 2021-10-02 | Medical spherical ultrasonic beauty transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215841274U true CN215841274U (en) | 2022-02-18 |
Family
ID=80258963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400855.1U Active CN215841274U (en) | 2021-10-02 | 2021-10-02 | Medical spherical ultrasonic beauty transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215841274U (en) |
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2021
- 2021-10-02 CN CN202122400855.1U patent/CN215841274U/en active Active
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