CN202996141U - Soap bubble non-polar molecule polarization demonstration instrument - Google Patents

Abstract

The invention discloses a soap bubble type non-polar molecular polarization demonstration instrument, which belongs to the field of teaching instruments and relates to a demonstration instrument which uses soap bubbles to simulate the polarization process of non-polar molecules. The utility model is composed of a reflector and a pole plate, the reflector and the pole plate are placed on the track in parallel, and the pole plate can move along the track; an air nozzle is arranged in front of the upper part of the reflector, and the air nozzle faces downward , and at a distance of 1-2 cm from the reflector, the gas nozzle is connected with a pumping ball with a regulating valve. When in use, the polar plate is connected to a high-voltage power supply, and a soap bubble is blown out by an air nozzle and adsorbed on the mirror. Through the reflection of the mirror, the soap bubble is still in the shape of a sphere, and the soap bubble is elongated under the action of the electric field, thus simulating the infinite Molecular polarization process. The utility model simulates the process of polarization of the non-polar molecules by utilizing the light and easy deformation of the soap bubbles and the function of the reflector, and fills in the blank for the demonstration of the polarization of the non-polar molecules.

Description

Soap bubble non-polar molecular polarization demonstration instrument

technical field

The utility model belongs to the field of teaching instruments and relates to a demonstrator which uses soap bubbles to simulate the polarization process of nonpolar molecules.

Background technique

The polarization of dielectric is an important content in the teaching of electromagnetism. The polarization of the dielectric includes polar molecular polarization and non-polar molecular polarization. Among them, the principle demonstrator of polar molecular polarization already exists, but the principle demonstrator of non-polar molecular polarization has not yet appeared. The reason is that it can be seen that there are very few deformed substances through the weak electric field force, and there is such a thing. Matter is generally liquid, but liquid is difficult to be confined outside the container, so it is difficult to see its overall deformation.

Contents of the invention

In order to realize the demonstration of the polarization of the nonpolar molecules, the utility model provides a demonstration instrument which uses soap bubbles to deform under the action of an electric field to simulate the polarization process of the nonpolar molecules.

In order to achieve the above object, the utility model has taken the following technical solutions:

The soap bubble type non-polar molecular polarization demonstration instrument is composed of a reflector and a polar plate, the reflector is placed on the track parallel to the polar plate, and the polar plate can move along the track; it is set in front of the upper part of the reflector Gas nozzle, the gas nozzle is downward, and is spaced 1-2 centimeters from the reflector, and the gas nozzle is connected with a pumping ball with a regulating valve. The device uses an air nozzle to blow out soap bubbles; uses a reflector to make the soap bubbles attached to the reflector appear spherical.

The pole plate is moved by a hand-operated screw, so that the distance between the mirror and the pole plate can be precisely adjusted. When the pole plate generates an electric field to elongate the soap bubble, the distance between the mirror and the pole plate can be adjusted to deform the soap bubble without being pulled break.

An illuminating device is arranged in front of the reflector, so that the soap bubbles can be made clearer, for example, a circle of light-emitting diodes is inlaid on the edge of the reflector.

The utility model simulates the polarization process of the non-polar molecules by using the light and easy deformation of the soap bubbles and the function of the reflector, and fills in the gaps in the demonstration of the polarization of the non-polar molecules.

Description of drawings

Fig. 1 is a structural schematic diagram of a preferred embodiment of the soap bubble type non-polar molecular polarization demonstrator of the present invention.

Among the figure: 1, pole plate, 2, reflector, 3, air nozzle, 4, air pipe, 5, hand screw, 6, slide rail, 7, pole plate base, 8, base.

Detailed ways

The utility model will be further described below in conjunction with the embodiment shown in the accompanying drawings.

In this embodiment, the polar plate 1 and the reflector 2 are installed on the base 8 , and the base 8 is provided with two parallel slide rails 6 as rails, and a hand screw 5 is provided between the two slide rails 6 . The pole plate 1 and the reflector 2 are arranged in parallel, the reflector 2 is fixed on the end of the slide rail 6, the pole plate base 7 is arranged under the pole plate 1, and the two slide rails 6 and the hand screw 5 pass through the pole plate base 7 , the pole plate base 7 can slide on the two slide rails 6, and the pole plate base 7 is provided with threads that cooperate with the hand screw 5, and turning the hand screw 5 can drive the pole plate base 7 to move on the slide rails 6 .

The air nozzle 3 is installed on the reflector 2 top, and there is a distance of 1-2 centimeters between the air nozzle 3 and the reflector 2. Gas nozzle 3 is connected with the inflating ball that has regulating valve by trachea 4.

When the device is in use, the pole plate 1 is connected to an electrode of the high-voltage power supply; dip the gas nozzle 3 in soapy water, and use a balloon to blow out a soap bubble. Since the gas nozzle is relatively close to the reflector, the soap bubble will be adsorbed on the reflector Above, soap bubbles still appear as spherical shapes reflected by the mirror. By turning the hand-operated screw 5, the polar plate 1 approaches the mirror, and the soap bubbles in the mirror appear polarized charges on the surface under the action of the electric field, and are attracted by the polar plate 1, and the soap bubbles are elongated, and the spherical soap bubbles become ellipsoids. Spherical, simulating the polarized form of non-polar molecules.

In order to make the soap bubbles more clearly visible, an illumination device can be installed between the polar plate 1 and the reflector 2, such as a circle of light-emitting diodes is set on the edge of the reflector 2, and when the light-emitting diodes are lit, the soap bubbles will be clearer.

Claims (4)

1. soap bubble formula nonpolar molecule polarization demonstrator, be comprised of catoptron and pole plate, and it is characterized in that: described catoptron and described pole plate are placed in parallel on track, and the pole plate track-movable; Front on described catoptron top arranges valve, valve down, and with mirror separation 1-2 centimetre, valve connects the inflating ball with variable valve.

2. soap bubble formula nonpolar molecule as claimed in claim 1 polarization demonstrator, it is characterized in that: described pole plate moves by hand leading screw.

3. soap bubble formula nonpolar molecule polarization demonstrator as claimed in claim 1 or 2, is characterized in that: be provided with lighting device before described catoptron.

4. soap bubble formula nonpolar molecule as claimed in claim 3 polarization demonstrator, it is characterized in that: described lighting device is the light emitting diode that is set in the catoptron edge.

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