RU97120873A - ULTRASONIC VIBRATION SYSTEM - Google Patents
ULTRASONIC VIBRATION SYSTEMInfo
- Publication number
- RU97120873A RU97120873A RU97120873/28A RU97120873A RU97120873A RU 97120873 A RU97120873 A RU 97120873A RU 97120873/28 A RU97120873/28 A RU 97120873/28A RU 97120873 A RU97120873 A RU 97120873A RU 97120873 A RU97120873 A RU 97120873A
- Authority
- RU
- Russia
- Prior art keywords
- length
- plates
- cylindrical
- exponential
- revolution
- Prior art date
Links
Claims (1)
l1= k1[c1/ω-2h(c1/c+1)],
lz=ln(N),
l2= k2c2/ω,
где c1, c2 - скорости распространения ультразвуковых колебаний в материалах накладок, (м/с);
c - скорость распространения ультразвуковых колебаний в материале пьезоэлемента, [м/с];
ω/2π - рабочая частота колебательной системы [Гц];
h - толщина используемого пьезоэлемента [м];
k1, k2 - коэффициенты, выбираемые из условия обеспечения требуемого (или максимального при k1=k2) коэффициента усиления К при заданном N.An ultrasonic oscillating system in the form of a body of revolution, formed by two metal plates and two piezoelectric elements arranged in series and acoustically interconnected between the plates, characterized in that the generatrix of the body of revolution of the oscillating system is made in the form of a continuous piecewise-smooth curve consisting of three sections : first cylindrical and a length l 1, exponential or smooth transition radius-length l z, and the second cylindrical length l 2, piezoelectric elements that are disposed between the exponential and the first cylindrical portion, and sections of length are selected from the conditions:
l 1 = k 1 [c 1 / ω-2h (c 1 / c + 1)],
l z = ln (N),
l 2 = k 2 c 2 / ω,
where c 1 , c 2 - the propagation velocity of ultrasonic vibrations in the materials of the plates, (m / s);
c is the propagation velocity of ultrasonic vibrations in the material of the piezoelectric element, [m / s];
ω / 2π is the operating frequency of the oscillatory system [Hz];
h is the thickness of the used piezoelectric element [m];
k 1 , k 2 - coefficients selected from the conditions for ensuring the required (or maximum at k 1 = k 2 ) gain K for a given N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97120873A RU2141386C1 (en) | 1997-12-15 | 1997-12-15 | Ultrasonic oscillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97120873A RU2141386C1 (en) | 1997-12-15 | 1997-12-15 | Ultrasonic oscillation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU97120873A true RU97120873A (en) | 1999-09-27 |
| RU2141386C1 RU2141386C1 (en) | 1999-11-20 |
Family
ID=20200072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU97120873A RU2141386C1 (en) | 1997-12-15 | 1997-12-15 | Ultrasonic oscillation system |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2141386C1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2446030C2 (en) * | 2010-06-02 | 2012-03-27 | Институт машиноведения и металлургии Дальневосточного отделения Российской академии наук | Device to produce castings |
| RU2730421C1 (en) * | 2019-11-29 | 2020-08-21 | федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | High-frequency piezoelectric transducer for ultrasonic coagulation |
-
1997
- 1997-12-15 RU RU97120873A patent/RU2141386C1/en active
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