SU717545A1 - Drop calibrator - Google Patents

Description

(54) CALIBRATOR DROPS

717545 second - p the master oscillator, and тtzhoDSchem YOG coincides) r the last Y6 syoedinen with a single vibrator, an amplifier, power, the output electromagnet is turned on. The cjceMa electrolyte regulates the time it takes for a drop to fall and be removed from the dropper needle. . ". In order to obtain droplet sizes in a given range, the electronic circuit generator is made with a frequency to be changed. To regulate the speed, the droplets of vibrations are made in the form of a stand, on which the base can be height-moved, where there is an electromagnet, on the bark of which the dropper is made, in the form of a fitting with a needle. The supply tank with water is fixed on the bracket and connected by a rubber hose with the iiei oM.:.; .V. . . Fig. 1 shows: 1 - a pulse generator with a controlled frequency; 2 - counters of pulses., 3 - decoder, 4 - assembly, - all the diodes and keys of the size set: and the order of droplets 5, b - inverters / 7 - sovy De, NIN, 8 - one-mode, 9 - power amplifier , 10 - s.Toyka, 11 - bracket 12. - consumable tank, 13 - fitting / 14 - needle; 15 - measles; 16. -electro magnet, 17 - base. On. Figure 2 shows the time diagrams of the calibrator operation (3 variants) and shows the examples of the distribution of droplets obtained with the aid of the calibrator when working with a sixteen WF & D meter. The first (I) and second (P) variants differ in the sequence of falling drops of various sizes (see output 14) with the same distribution laws V, - (d). V-, / .. А, „™ the laws of distribution are shown in fig. on right, , . , where - the probability of occurrence of droplets of a given size G is equal to the relative intensity of the droplets this time. measure 111 to rbshche1; (Gu number -. drops N g ,,,.. - х -; - -; | 3 diameter of the drop - ;,: -. The first and second variations are determined from the third (and) variant. the formation of various laws of droplet size distribution (see Fig. 2, output 14, and distribution 1.1, n). The drop calibrator works as follows C5m. The pulses from the generator 1 are counted with counter 2 and from the output of the decoder 3 Received on assembly 4, consisting of diodes and keys. Depending on the state of the dial keys, a certain time sequence of pulses appears at the output of assembly 4, which cutting two inverters 5 and b, supplies one input of coincidence circuit 7, and the second input of circuit 7 receives impulses from generator 1. The output of the coincidence circuit is connected to a single-oscillator, which forms a short pulse arriving through amplifier 9 to electromagnet 16. The electromagnet is triggered by pulling the bark 15 with the clamp 13 and the needle 14, and the droplet is detached from the needle ... IF all the keys are closed, pulses will appear at the input of the electromagnet after identical pauses. T (Fig. 2) equal to the period of the generator. Drops of the same size are formed; limit the generator frequency. If one key is not closed; then at the output of the coincidence circuit there is no signal at this moment, the electromagnet does not work and the rise time of the drop is doubled. A double pause is -t -t. If, however, you do not lock two or more keys further, then the time of increase of the drop increases three or more times, i.e., a, and ak further, and, consequently, the size of the drop being opened increases. Changing the alternation of pauses, we can alternate the alternation of following the size of detached drops. To obtain the desired distribution law of drops and order. Following each other, the corresponding keys of assembly 4 are closed. If the key is closed, then at a certain moment in time at the output of amplifier 9 a positive signal, the electromagnet 16 will work, a drop will occur. If the key is not closed, the preamplifier will not have a signal, the electromagnet will not operate at that moment and the droplet will continue to grow on the needle needle. If on exit, -. : the amplifier 9 will repeat the signals at the instants of time corresponding to 1, 3, 5.8, 9, 11, 13, 16 pulses (Fig. 2 - Option Opt. 9) along the time axis (the corresponding key assemblies are closed 4) or 3.5, 7, 8, 11, 13, 15, 16 (Fig. 2 1 option - output 9), then we obtain the same distribution laws with the order of the order of droplets. If, however, the frequency of the master oscillator is adjusted multiple-fold by the length of the length of all the pauses, the range of the size of the shaping dies / wah drops while maintaining the number of drops in the fraction. Lowering and raising the base 17 (Fig. 1), changing the height of the fall

drops, 4to imply a change in their speed.

Fundamentally / apply to more widespread schemes, it is possible to obtain all possible distribution laws with a large number of classes in size.

The use of the proposed calibrator drops favorably distinguishes it from the specified prototype. Using one proposed calibrator, it is possible to obtain various laws of droplet size distribution, different combinations of droplet size falling one after another, adjustable; vat drop rate of droplets.

In addition, the use of this calibrator will make it possible to qualitatively improve and shorten the time and amount of equipment to check the measurers and the droplet analyzer. Formula and Gain

Claims (3)

1. The droplet calibrator, containing, a base with a fixed electromagnet on it, the measles of which is connected with the drip, a supply tank, a control circuit that distinguishes itself from the fact that it regulates the i-th; lyra of droplet size range, speed of fall, and formation of third 1; aya. ag "ge 4aive"; y§Sha bu, t-, ",, ai1-1a ga4vayda5 adn№agv" 1 agZhvaa5 | 6 The distribution of droplets by diameter with a certain alternation in size / control circuit is produced in the form of series-connected generators. binary chip, decoder, assembly, state of diodes and distribution set keys, two inverters, a matching circuit, one input of which is connected to the output of the inverter, the second - to the generator output, and the output of the falling circuit - to the single-vibrator input, output which through the power amplifier is connected to the electromagnet. 2. Calibrator droplets under item 1, characterized in that 5 the generator is made with adjustable frequency. V 3. The droplet calibrator according to claim 1, characterized in that the base has the ability to move relative to the stand. Sources of information taken into account in the examination 1. Authors certificate USSR 395726, cl. G 01 F .13 / 00. five 2. Gunn R. Collision character drop of water falling water drop Seince 1965, vol 150, No. 3669. n l / " bsTTF L /; jf 17 {6