magnetic water. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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magnetic water. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Home, household, hobby

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Ordinary water and a magnet. How can a magnetic field affect a medium that does not have magnetic properties? Scientists are trying to answer this question, and with them young technicians from the laboratory of automation and telemechanics of the station of young technicians in the city of Ryazan, where, under the guidance of an experienced teacher and engineer N. Yegin, for three years the guys have been conducting interesting experiments. Last year, the guys assembled and tested the device on a small plot where onions were planted. One plot was watered with ordinary tap water. Another - the same water, but magnetized. The effect is amazing. Magnetized water seemed to give the plants new strength. Onion sprouts sprouted faster, they were all larger, and there is nothing to say about the harvest - it increased by 30%. The guys plan to carry out their experiments this year as well. And they invite readers of "Young Technician" to take part in them.

In your experiments, you can use the installation that the Ryazan schoolchildren designed. It consists of a power supply and a magnetizing device - a solenoid.

Let's analyze the work of the power supply. Its schematic diagram is shown in Figure 1. The main components are a step-down power transformer T1 and a rectifier based on diodes V1-V4.

(click to enlarge)

Mains voltage is supplied to the primary winding of the transformer through fuse F1 and switch S1. To indicate the inclusion of the power supply in parallel with the primary winding, a neon bulb H1 is connected through the resistor R1. Resistor R1 limits the current through the neon lamp and thus determines the brightness of its glow.

From the secondary winding of the transformer (two more windings can be connected to it with switch S2), the alternating voltage is supplied to the rectifier, assembled on diodes V1-V4 in a bridge circuit. The ripple of the rectified voltage is smoothed out by the electrolytic capacitor C1. The rectified voltage is supplied to the pointer devices for indicating voltage, current strength and then through the fuse F2 to the solenoid.

Diodes V1-V4 can be used in the D242A series or others designed for a current of 10A and a voltage of 50V. It is better to make a capacitor of four types K50-6 with a capacity of 500 microfarads, connected in parallel. Resistor R1 - type MLT-1. Power transformer - self-made, on the core Ш30x40. Winding 1 contains 1100 turns of wire PEV-1 0,35, winding II - 60, III and IV - 8 turns of wire PEV-1 1,5 each. Fuses F1 for a current of 2A, and F2 for 10 A. Indicators of any type with a current of arrow deflection per final scale division of 10A and a voltage of 15V.

Assemble the parts of the power supply on a board made of textolite (you can getinaks) with a thickness of 3-4 mm. Connect the leads of the resistor, capacitor and diodes to the copper rivets with a diameter of 1,5-2 mm installed on the board and connect them with an insulated mounting wire to the transformer leads, indicating devices and fuses. The power switch, indicator, switches, holders with fuses are placed on the front wall of the housing. Through the holes on the rear wall, wires are output: one - network with a two-pole plug, the other - for powering the solenoid.

The solenoid is assembled from the parts shown in the figure: 1 - inlet rubber hose; 2 - fitting; 3 - shielding casing; 4 - coil; 5 - magnetic circuit; 6 - fitting and 7 - outlet rubber hose. Turn fittings 2 and 6 from duralumin, parts 3 and 5 from permoloy, and coil 4 from brass. Wind 1000 turns of PEL 0,8 wire onto the finished coil.

Lay transformer paper between layers. The ends of the turns must be brought out through the holes previously drilled in the end walls of the coil, the shielding casing, and carefully insulated. For better sealing of the surface of parts, coat with oil paint before final assembly. The inner annular edge of the casing must be flared (see Fig. ).

Use the device like this. Install the power supply in a dry area near a 220V outlet. Unwind the patch cord and connect it to the solenoid near the area to be watered. Put rubber hoses on fittings. Tighten the wire clamps - then the hoses will not slip from the fittings under the pressure of water. Connect the connecting wire of the solenoid to the power supply. Run water through the solenoid and turn on the appliance. It can work for several hours. It should only be remembered that turning on the solenoid without water supply can lead to its overheating and failure.

And a few more tips. Under no circumstances should the solenoid be switched on. When transferring the hose with the solenoid to another part of the site, the device must be disconnected from the mains.

Author: B.Sergeev

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