SU873123A1 - Method and device for grain natural determination - Google Patents

Description

(5) METHOD FOR DETERMINING NATURAL GRAIN

AND DEVICE FOR ITS IMPLEMENTATION

one

The invention relates to indirectly. . Node quality assessment of grain and its products and can be used to create tools for rapid assessment of the quality of grain, in particular nature, which is an important characteristic of its properties and state, and is used to evaluate millers | grain properties.

There is a known method for determining the nature of the grain and providing for the sample to fill the grain with a normalized volume with the subsequent registration of the value characterizing the nature of the grain

on D.:

The disadvantage of this method. is the participation of the operator in the measurement process, which introduces subjectivity in the result of the determination and significant time spent on the analysis.

A device is known for determining the nature of the grain, which contains a transducer, meter and recorder G2 .:.

The disadvantage of this device is the duration of the determination.

The purpose of the invention is to increase the speed of determining the nature of the grain.

This goal is achieved by the fact that, according to the method of determining the nature of the grain, which involves filling the sample with breakdown of the grain

10 of the volume with the subsequent registration of the value characterizing the nature of the grain, the sample of grain is affected by the pulses varying in amplitude, and the nature of the grain is determined by

IS

.. the formula:

H

K-ik -KjKi and grain type, g / l;

where K.

TO

o K1, K. — constant coefficients of the system of equations; , S, S.-volt-second pL-spad of output signals with two different amplitudes of the acting signal. A device for determining the grain nature, containing a transducer, meter and recorder, is equipped with a pulse generator, an additional meter and a counting unit, the inputs of which are connected to the meters, and the output is connected to the recorder and through the control unit to the pulse generator. the converter input, while the output of the latter through the switch is connected to the meters. The drawing shows the structures on the scheme of the device that implements the method. The device contains a generator 1 connected to a converter 2, in the course of which is connected to a switch 3, the outputs of the latter are connected to meters respectively and 5, the output of each of which is connected to the input of the counting unit 6, and the latter is connected to the recorder 7 and a control unit 8, which is associated with the control input of the generator 1. The method for determining the nature of the grain includes | The sample is placed in the transducer 2, which is connected to the measuring circuit. A pulsed signal is applied, for example, a rectangular signal from generator 1 to a transducer with a test grain at two different amplitudes of the acting signal. At the output of converter 2, two electrical signals appear, each of which has a volt-second area S in the meter. The values obtained are S and S / j. The obtained values of S ,, and the 5lV system of equations are introduced, which connects the electrical quantities in kind of grain and another interfering parameter of the grain K2-V / 5 (1 КзН + .К4 K. are constant K., K, K efficiencies of these equations; And - grain nature, g / l; W - grain quality interfering parameter. 3.4 Solving the system of equations (1) with respect to the grain nature allows determining the last PS of electrical quantities and constant equation coefficients. (2) Example 1. For the sample wheat grain when determining the nature of the grain according to the proposed method, receive values of electric The large values of Si are 105.0 and S 276.0, the values of constant coefficients. To 0.3;, 3;, 1;, 7. Substituting in formula (2), get, 276.0x2.7-105.0x4 , 3 0,3x2,7-t, 3xO, 1 773 g / l Determining the nature of the grain according to GOST gives the value g / l. PRI mme R 2. For sampling the grain, when determining the nature by this method, the values of electrical quantities are obtained 5,116 , 6; 295.5, the values of the constant coefficients are the same as in the first example. Determining the nature of the grain gives the value M - 295.5x2.7-116,, 3 296.4 n. ALF 780 g / l The determination of the nature of the grain according to GOST for this sample gives the value of the nature g / l. EXAMPLE 3. For sampling a grain according to the proposed method, in determining the nature of the grain, the values of electrical quantities, 0, are obtained; , 3 and calculate U 289.0x2.7-117.3x4.3 275.9 - BTTTZN 726 g / l The determination of the nature of the grain according to GOST for this sample of grain gives the value g / l. In total, more than 300 samples of grain were analyzed in this way. The maximum variations between the values of nature obtained by the proposed method and the model one are less than ir 5 g / l. The time taken to measure the nature of the grain according to the proposed method is less than 10 s. Measurements completely exclude manual labor, hence the analysis is more objective. Expected during the reception period (3 months) economic effect from the implementation of the invention on one average.

Claims (1)

Claim 1. The method of determining the nature of the grain, providing for filling a breakdown of grain of a normalized volume with subsequent registration of a value characterizing the nature of the grain, characterized in that, in order to increase the speed of determination, the grain sample is affected by pulses of varying amplitude, and the value characterizing the nature of the grain is determined according to the formula: m = ~ SflKQ, K _and Kd - ¹ where N is the nature of the grain, g / l; K ,,, K.Q, K ^, Kd are constant coefficients