SU58599A1 - Automatic meter for liquids - Google Patents

Description

Automatic measuring units for liquids are known: sastoyaschie from two cross-filled and empty chambers equipped with instruments for measuring the degree of filling of these chambers with liquid, closing circuit contacts of the electrical circuit ONE of the two solenoids, used to open and close the measuring valve inlet valves.

In the proposed automatic liquid measuring device, liquid is measured in weight units. For this purpose, hydrostatic devices are used as the source for measuring the degree of filling of the chambers, instead of using floaters that serve to close the Solenoid circuits.

In FIG. 1 depicts the proposed liquid measuring device — VED, and partly in section, FIG. 2 is a top view “a of the rubber bag 10 of FIG. one.

The measuring part of the measuring device consists of a flat rubber bag 10, the ends of which, at the joints with the metal stopper 8 and the brass tube 11, are sealed and clamped with a metal tool. This part of the measuring device is installed at the bottom of the vessel.

and is attached by paw 12 to its wall.

The bag is made of flexible non-expandable rubber and, together with part of the tube 11, is filled with a liquid whose density is equal to the average density of the liquid being measured, if the liquid with a change is measured, it is dense. If, however, a liquid with a constant content of solids, but with its varying temperature, is measured, the bag and part of the tube 11 are filled with a liquid with a density equal to the density of the liquid being measured.

An aluminum float 13 floats in the fluid inside the tube And. The neck of the float is made in the forks. The four screws 14 are guides to the float and prevent it from rotating.

At the top, the bob neck ends with a ball. Tightening the ball can lengthen or shorten the length of the float neck. When a liquid sticks into a vessel, its pressure on the flexible walls of the rubber bag increases, and when the pressure of the liquid column outside exceeds the pressure of the liquid column inside the bag, the latter will begin to compress, changing

your volume; the level of the liquid; d1x sti in the tube will begin to rise and at the same time the float will float.

When the quantity of the liquid to be measured is determined in the vessel “alley”, the float ball 13 closes the contacts 16.

The descriptive contact assembly can also be used independently as a gauge of the amount of fluids in the reservoir, with inductive transfer of indications to a distance, with a recording and pointing device. To do this, instead of a ball at the end of the п-float, the iron core of the induction sensor is fixed, which is mounted above the tube 11.

The proposed co-on-site assembly can be used to provide a signal and Can serve to regulate the pumping of liquids from tanks.

For the continuity of the automatic measuring device, the vessel has two compartments. In each Department, there is a measuring unit, as described above.

When pouring a liquid into one compartment, at the same time from another compartment, the liquid is poured out, and the liquid is poured faster than it is poured.

Four cranes 1, 2, 3, 4, connected by a cable, are attached to the iron by the same cable; the cores 6 and 22 of the solenoids 5 and 23. When the contacts 16 are closed, the iron core 6 is drawn into the solenoid 5. In the left compartment of the vessel, the inlet valve 2 closes and the outlet edge 1 opens, and in the right compartment the inlet valve 3 opens the outlet valve 4 closes.

When the contacts 20 are closed, the core 22 is drawn into the solenoid 23, closing taps 1 and 3 with this and opening taps 2 and 4, etc.

The scale 17 serves to adjust the system. Raising or releasing the contacts supported by the nut 19 on the Ebonite plate 18 can change the number of kilograms of each pumping.

The compartments of the measuring device must be adjusted to the same pumping amount.

The measure of the work of the measuring device is carried out in the following way. Water is poured into the vessel to a level (up to the control line); at the same time, the arrow 15 must indicate a certain number of kilograms, marked on the 17th scale with a red chip. The adjustment is made by turning the ball up. The number of mi (capacity in the tube is regulated by the zero control line on the scale 17. In the absence of fluid in the measuring device, the arrow 15 should indicate zero.

In order to keep the tube in the tube And not evaporate, a thin layer of oil is poured onto its surface; however, the fluid level must still be monitored on a zero scale.

To account for the number of pumped gauges, an electric meter 21 is turned on in the solenoid circuit. The contact node is closed with a cap with glass to read the scale.

Crane 9 serves to stop the operation of the measuring device, its valve & lu &g; also automate so that when the valve is closed after the measuring baths (in the factory setting) the latter stop. This is easily accomplished with the help of two solenoids, one of which is turned on when the valve is closed after the mernik (the veytil is not shown in the drawing), closed at; This valve 9, the other solenoid is turned on when the valve is opened after the gauges and opens the valve 9. The solenoids are turned on by closing the contact switch on the valve.

The fact that the proposed measuring device measures the amount of liquid in kilograms is its advantage over the existing surrounding measuring devices (for example, in the sugar industry measuring equipment for diffusion juice). However, diffusion juice odors used in the sugar industry can be easily automated using the proposed system.