SU597962A1 - Contactless ultrasonic meter of metal film physical parameters - Google Patents

Description

(54) CONTACTLESS ULTRASONIC MEASUREMENT PHYSICAL PARAMETERS OF METAL FILMS

film 7 of the central beam разв разв разв колеб oscillated Пра 1 1 4. Prana 9 of ultrasonic vibrations through a successively connected receiving amplifier 9 and detector 10 are connected to the measuring device on the device 11. The axis of the receiver 8 of ultrasonic vibrations coincides with the normal 5.

The expansion of the field of application of the Ieme bolt to a wider range of thicknesses is achieved by constructive execution of the radiator and the field of ultraraznukovyh oscillations. In accordance with the first solution (FIG. 2), to the back wall of the radiator 12 (receiver), ultrasonic vibrations are attached to the piezoelement. 13 n basketgus 1 Ya body, 14 screwed on the cap 15 with the sealing ring 16Л1о to the inner and outer / iy contour of the coupling nut 15 Attachment film 17, limiting the air layer 18, and gnawing to the radiating dimension of the contact element 13 contact. the ground surface of the piezoelectric element 13 with the housing is made with the help of a contact wire 19, the sealing of the air layer 18 is carried out with the help of a seal 20.

In accordance with the second (electrical (fkg 3)) cap nut 15 at the sikaat to the 13 piezoelectric element, a hollow E1 by a layer of air in whom In this case no need: i l-; ar g; p1 -; - g :: zytsir. However, for sp; h: s; -l5l;:; y; ::

The master oscillator 1 generates video pulses that are amplified;:; l is amplified by power 2; power is received; and “the receiver 3 ultrasonic oscillations of the sequences emits s direction IE — a measurable film; 7 an ultrasonic pulse of oscillating oscillations 4 ,. Ultrasound vibrations; 4 czdtojf t at Grakkni szkrya film 7 zone poleny zzelanm and rarefied “In view of the talagina gshenkoy her nertsioekoe resistance

-. M: ... J.t- .; ;; WITH. -. vb,. -i .Vt. -G J1o .fj Jri Ci -., .Lf ::., .l-i ---- i - ;. ... with

In addition to TOiOi ggaoz, the specific medium. All sorts of resistance are a ps yldsk less resistance. films, - as gütüz, the role of May ™ au is attached; following three reasons, the area is EXCLUSIVE;: step: th 7. excited by the beam of the ultrasound, oscillation 4., begins to combine forced bending oscillations with almost no vapor compression, o6pa3OMf this section of the film becomes the secondary radiator of the elastic oscillation, and the oscillating vibration of the oscillating oscillation becomes the secondary radiator. D1) PLktuda re-excited cola ™

The banks depend on the surface density of the measured film 7 and its elastic constants. It is these oscillations that are received by the receiver 8 of ultrasonic vibrations, whose axis coincides with the normal 5, ultrasonic vibrations 4, reflected from the measured film 7, do not fall on the receiver 8 fluctuations due to the selected angle cL f not equal to the leg O °,

The received ultrasonic oscillations are converted in the receiver 8 ultrasonic oscillations into electrical oscillations of the voltage amplified by gfy, produced by the amplifier B, After these oscillations are rectified on the detector 10, the constant voltage is applied, Hecyii ee, useful information is fed to the measuring instrument 11

Structural dissipation of ultrasonic oscillations in the half-space of radiation and determination of the surface density of the measured film according to the secondary excitation. ultrasonic vibrations will expand the application area of the appliance in the rolling phases, it is possible to control the front and rear ends of the rolled metal.} you usually cut the waste ™,

 The use of the proposed non-contact measuring instrument for physical parsmetrics of metal films leads to an upper limit on the thickness of the measurement.

Formula of invention

S

- An ultrasonic ultrasonic scanner of physical parameters of metal films; find adi ss in the air ™ XBf containing a series-connected master oscillator, amplifier, ultrasonic ultrasound receiver, ultrasound receiver; receiving amplifier | -1tel detector and optical device, about 5 and 5, so that, in order to improve accuracy by registering the secondary radiation of ultrasound, the emitter and the detector are equipped with an adjustable 5 of its size according to the thickness of the matching nozzles and fill up the internal cavities with gas,

and the axis of the radiator is directed at an angle of jcocH prjvl & ika, coinciding with the normal to the KOHTpojTHpyaMOft surface.

Sources of Information Accepted Into the Expert Examination

1 Copyright svekdedelstvu USSR 360544 class. О- 01 В 17 / 02,1971. 2 Copyright SEN etelstvo USSR 277265, CL 13 01 B 17/02, 1969.