SU1753402A1 - Acoustic apparatus for researching liquids - Google Patents

Abstract

The invention relates to the field of measurement technology in the power engineering, chemical industry and other sectors of the national household. The purpose of the invention is to improve the accuracy of control with precision measurements. The device contains a C-shaped frame 1, an adjusting device 2, quadrant 3, a laser 4 and a turntable 5 on which the cup 6 is mounted. The device also contains a tape 8, an electric heater 9, an exciter 10, a thermocouple 11 and an ultrasonic measuring element 12 which is connected with a reading unit 13. The acoustic device is applicable for determining the state of various liquids, including corrosive media. 1 il.

Description

The invention relates to measuring equipment in the energy sector, the chemical industry and other sectors of the economy.

Known ultrasonic liquid level switch, containing piezoelectric transducers and waveguides; level switches and level gauges, as well as an ultrasonic level gauge containing transducers and a reading and recording unit.

The disadvantages of these level gauges are inaccuracy of control and difficulty in operation.

The closest technical solution is an ultrasonic level gauge containing a waveguide with piezoelectric elements and rods.

Its disadvantages are inaccuracy of measurements and design complexity.

9, a vibration exciter 10 directional action, a thermocouple 11, as well as an ultrasonic measuring element 12 on the bottom, which is connected to a reading-recording unit 13.

Acoustic device for researching liquids works as follows.

According to quadrant 3, with the help of the adjustment device 2 and the rotary platform 5 on the C-shaped frame 1, the glass 6 is installed in a vertical position, after which its internal space is filled to a predetermined level that is a multiple of half the length of the ultrasonic vibrations. Then, a directional vibration exciter 10 is turned on, which removes air bubbles from the surface of the ultrasonic measuring element 12, if necessary, a thermocouple 11 and an electric heater 9, laser 4 and ultrasonic vibrations and a laser beam pass through the liquid, which, by changing the amplitude of the reflected signal from the surface and by scattering the laser beam with using lens 8, you can determine the purity, clogging and boiling of liquids.

The proposed acoustic device is applicable for determining the state of various liquids, including aggressive environments.

Technical and economic efficiency of the proposed device in comparison with known devices is as follows; increasing accuracy is achieved by eliminating the loss of acoustic energy when moving ultrasound in liquids and reflections, as well as removing bubbles from the ultrasonic measuring element.

In addition, the functionality is expanded, which is achieved through a comprehensive study of liquids with ultrasound and a laser beam, as well as using a device for monitoring various liquids.

Claims (1)

Claim An acoustic device for the study of liquids, containing a case in the form of a glass, an ultrasonic transducer, and an electronic unit electrically connected to it and installed at its bottom, characterized in that. in order to increase the accuracy of control during precision measurements, it is equipped with a C-shaped holder with a straight support section and a rotary platform rigidly connected with its fixed part to the holder, and the movable one with the body so that it provides rotation The purpose of the invention is to increase the accuracy of control. This goal is achieved by the fact that a vibration exciter of directional action is introduced into the ultrasonic device. mounted on the waveguide parallel to its axis, the reflector is C-shaped and rigidly fastened to the radiating end of the waveguide, and the working part of the reflector is made with a thickness that is a multiple of a quarter of the length. This goal is achieved by the fact that the acoustic device is equipped with a C-shaped holder with a straight support section and a rotary platform, rigidly connected with its fixed part with the holder, and the movable one with the body in such a way that ensuring! rotation of the housing around an axis parallel to the support portion of the holder, fixed with a laser and mounted on the side surface of the housing coaxially with the laser optical axis with a lens covering the housing with a heating element with a temperature sensor, directional vibration exciter mounted on the external wall of the housing near the transducer, a quadrant and an adjustment an element mounted on the support portion of the holder, and a part of the housing lying on the optical axis of the laser is optically transparent. The drawing shows a schematic diagram of a device. An acoustic device for researching liquids consists of a C-shaped frame 1 containing an alignment device 2, a quadrant 3, a laser 4, and a turntable 5, on which a glass 6 with an upper part made of transparent material 7 and equipped with a lens 8, an electric heating25 of an axial housing parallel to the support section of the holder, a laser rigidly mounted on the holder and mounted on the side surface of the housing coaxially with the laser optical axis by a lens covering the housing with a heating element with a temperature sensor, vib a directional exciter mounted on the outer wall of the housing near the transducer, a quadrant and an alignment element mounted on the supporting portion of the holder, and a portion of the housing lying on the optical axis of the laser is optically transparent. Compiled by T. Golovkina Editor N. Khimchuk Tehred M. Morgenthal Corrector J. Muska Order 2765 Circulation Subscription VNIIIPI of the State Committee for Inventions and Discoveries at the State Committee for Science and Technology 113035, Moscow, Zh-35, Raushskaya nab., 4/5 Production and Publishing Plant Patent, Uzhgorod, Gagarin St. 101