CN209980593U

CN209980593U - Portable Young double-slit interference demonstration device

Info

Publication number: CN209980593U
Application number: CN201822219014.9U
Authority: CN
Inventors: 李让峰
Original assignee: Tianjin Liangyi Science And Technology Co Ltd
Current assignee: Tianjin Liangyi Science And Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-21
Anticipated expiration: 2028-12-27

Abstract

The utility model relates to a presentation device is interfered to young double slit convenient to carry, the power distribution box comprises a box body, a serial communication port, the fixed handle that is equipped with in middle part in the box top outside, the middle part on second slider top is passed through the dead lever and is connected with the fixed clamp is fixed, the other end of slide rail slides and is equipped with the third slider, the fixed baffle that is equipped with in top of third slider keeps away from the second slider one side of third slider is equipped with the fourth slider, the fourth slider with the slide rail slides and sets up. The utility model has the advantages of reasonable design, it is simple and convenient to use, accomodate whole device through the box, remove whole box through the handle, the removal of the whole device of being convenient for with carry, through the slip of two slides, adjust the interval between two printing opacity grooves, through continuous regulation to interval between two printing opacity grooves, observe and contrast the formation of image of interference to can be more effectual elucidate the influence factor to interference phenomenon.

Description

Portable Young double-slit interference demonstration device

Technical Field

The utility model relates to an optical instrument technical field especially relates to a portable's young double slit interferes presentation device.

Background

The optical instrument is composed of single or multiple optical devices. Optical instruments mainly fall into two main categories, one is an optical instrument for real image, such as a slide projector, a camera and the like; another type is virtual imaging optical instruments such as telescopes, microscopes, loupes, etc.

The young's double slit interference test is a well-known optical test in which a candle is placed in front of a piece of paper with a small hole, thus forming a point source of light emanating from a point. Now a further sheet of paper is placed behind the sheet, except that the second sheet is provided with two parallel slits. The light emitted from the small hole passes through the two slits and is projected on a screen to form a series of light and dark alternate fringes, which are now known as double-slit interference fringes, and the existing interference demonstration device is inconvenient to carry in the use process and the distance between the two slits is not adjustable.

Disclosure of Invention

The utility model discloses aim at solving prior art not enough, and provide a portable's young double slit interference presentation device to solve the inconvenient problem that carries and the interval between two gaps is not adjustable of the interference presentation device that proposes in the above-mentioned background art.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

a portable Young's double-slit interference demonstration device comprises a box body and is characterized in that a handle is fixedly arranged in the middle of the outer side of the top end of the box body, fixed plates are fixedly arranged in the two sides of the box body, the top ends of the two fixed plates are fixedly connected with one ends of two first electric telescopic rods respectively, the other ends of the two first electric telescopic rods are fixedly connected with the two ends of the bottom of a sealing plate respectively, the sealing plate is mounted at the top end of the inner portion of the box body, the bottom end of the inner portion of the box body is fixedly connected with the bottom ends of two second electric telescopic rods respectively, the top ends of the two second electric telescopic rods are fixedly connected with the two ends of the bottom of a sliding rail respectively, one end of the sliding rail is slidably connected with a first sliding block, the top end of the first sliding block is fixedly connected with an, the middle part of the top end of the second sliding block is fixedly connected with the fixed clamp through a fixed rod, the other end of the sliding rail is provided with a third sliding block in a sliding manner, the top end of the third sliding block is fixedly provided with a baffle, the middle part of the baffle is provided with a through groove, the top end and the bottom end of the through groove are both provided with sliding grooves, the sliding grooves are respectively in sliding connection with sliding blocks fixedly arranged at two ends of two sliding plates, the middle parts of the two sliding plates are both provided with light transmission grooves, one side of the third sliding block, far away from the second sliding block, is provided with a fourth sliding block, the fourth sliding block is in sliding arrangement with the sliding rail, the top end of the fourth sliding block is fixedly provided with an imaging plate, one side of the outer part of the box body is fixedly provided with a switch panel, a first electric telescopic rod control button, a second electric telescopic, The second electric telescopic rod and the illuminating lamp are respectively electrically connected with the power supply through the first electric telescopic rod control button, the second electric telescopic rod control button and the illuminating lamp control button.

And shading cloth is arranged on one side of each of the two sliding plates and inside the two ends of the through groove, and the shading cloth is arranged between the two sliding plates.

And limiting blocks are fixedly arranged at two ends of the sliding rail.

And locking bolts are inserted into one side of the first sliding block, one side of the second sliding block, one side of the third sliding block and one side of the fourth sliding block.

The utility model has the advantages that: the utility model has the advantages of reasonable design, it is simple and convenient to use, accomodate whole device through the box, remove whole box through the handle, the removal of the whole device of being convenient for with carry, through the slip of two slides, adjust the interval between two printing opacity grooves, through continuous regulation to interval between two printing opacity grooves, observe and contrast the formation of image of interference to can be more effectual elucidate the influence factor to interference phenomenon.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic view of the slide plate structure of the present invention;

in the figure: 1-a box body; 2, fixing a plate; 3-a first electric telescopic rod; 4-sealing plate; 5-a limiting block; 6-lighting lamp; 7-a first slider; 8-a slide rail; 9-a fixing clip; 10-a second slide; 11-a baffle plate; 12-a third slide; 13-a second electric telescopic rod; 14-shade cloth; 15-a chute; 16-a slide block; 17-a slide plate; 18-a light-transmitting slot;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in the figure, the portable Young double-slit interference demonstration device comprises a box body 1 and is characterized in that a handle is fixedly arranged in the middle of the outer side of the top end of the box body 1, fixed plates 2 are fixedly arranged in the two sides of the box body 1, the top ends of the two fixed plates 2 are fixedly connected with one ends of two first electric telescopic rods 3 respectively, the other ends of the two first electric telescopic rods 3 are fixedly connected with the two ends of the bottom of a sealing plate 4 respectively, the sealing plate 4 is arranged at the top end of the inner part of the box body 1, the bottom end of the inner part of the box body 1 is fixedly connected with the bottom ends of two second electric telescopic rods 13 respectively, the top ends of the two second electric telescopic rods 13 are fixedly connected with the two ends of the bottom of a sliding rail 8 respectively, one end of the sliding rail 8 is slidably connected with a first sliding block 7, and the top end, the middle part of the slide rail 8 is provided with a second slide block 10 in a sliding manner, the middle part of the top end of the second slide block 10 is fixedly connected with a fixing clamp 9 through a fixing rod, the other end of the slide rail 8 is provided with a third slide block 12 in a sliding manner, the top end of the third slide block 12 is fixedly provided with a baffle 11, the middle part of the baffle 11 is provided with a through groove, the top end and the bottom end of the through groove are both provided with slide grooves 15, the slide grooves 15 are respectively in sliding connection with slide blocks 16 fixedly arranged at the two ends of two slide plates 17, the middle parts of the two slide plates 17 are both provided with light transmission grooves 18, one side of the third slide block 12 far away from the second slide block 10 is provided with a fourth slide block, the fourth slide block is arranged with the slide rail 8 in a sliding manner, the top end of the fourth slide block is fixedly provided with an image presenting plate, one, Second electric telescopic rod control button and light control button, first electric telescopic handle 3, second electric telescopic handle 13 and light 6 are respectively through first electric telescopic rod control button, second electric telescopic rod control button and light control button and power electric connection.

Shading cloth 14 is arranged on one side of each of the two sliding plates 17 and inside the two ends of each through groove, and the shading cloth 14 is arranged between the two sliding plates 17.

And two ends of the sliding rail 8 are fixedly provided with limiting blocks 5.

And locking bolts are inserted into one side of the first sliding block 7, one side of the second sliding block 10, one side of the third sliding block 12 and one side of the fourth sliding block.

When the utility model needs demonstration, the box body 1 is lifted to a proper position through the handle, the operator can carry and move the box body 1 through the handle, the carrying is more convenient, the first electric telescopic rod 3 is controlled to extend through the first electric telescopic rod control button, the first electric telescopic rod 3 moves the sealing plate 4 upwards, the second electric telescopic rod 13 is controlled to extend through the second electric telescopic rod control button, the slide rail 8 is moved upwards to a proper position, the paper with small holes is clamped through the fixing clamp 9, the locking bolt is loosened, the positions of the first slider 7, the second slider 10, the third slider 12 and the fourth slider are adjusted and locked through the locking bolt, the movement in the using process is avoided, the first slider 7, the second slider 10, the third slider 12 and the fourth slider are limited through the limiting block 5, avoid the slide rail 8 that drops, control light 6 through the light lamp control button and begin work, light is sent to light 6, form the pointolite under the effect of aperture, shine to baffle 11 on, slide in the inside of spout 15 through slider 16, interval to between two slides 17 is adjusted, thereby interval to between two light trap 18 is adjusted, other position shelters from the light through shading cloth 14, shelter from other position through shading cloth 14, thereby guarantee that only two light trap 18 have the light to pass through, guarantee going on of interfering, light shines to being like the board through two light trap 18, it changes to interfering like being like through changing the interval between two light trap 18, thereby better expounds the factor that influences interference phenomenon.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A portable Young's double-slit interference demonstration device comprises a box body (1) and is characterized in that a handle is fixedly arranged in the middle of the outer side of the top end of the box body (1), fixing plates (2) are fixedly arranged in the two sides of the box body (1), the top ends of the two fixing plates (2) are fixedly connected with one ends of two first electric telescopic rods (3) respectively, the other ends of the two first electric telescopic rods (3) are fixedly connected with the two ends of the bottom of a sealing plate (4) respectively, the sealing plate (4) is installed at the top end of the inner portion of the box body (1), the bottom end of the inner portion of the box body (1) is fixedly connected with the bottom ends of two second electric telescopic rods (13) respectively, the top ends of the two second electric telescopic rods (13) are fixedly connected with the two ends of the bottom of a sliding rail (8) respectively, and one end of the sliding rail (8) is connected with, the top end of the first sliding block (7) is fixedly connected with an illuminating lamp (6) through a lamp holder, the middle part of the sliding rail (8) is provided with a second sliding block (10) in a sliding manner, the middle part of the top end of the second sliding block (10) is fixedly connected with a fixing clamp (9) through a fixing rod, the other end of the sliding rail (8) is provided with a third sliding block (12) in a sliding manner, the top end of the third sliding block (12) is fixedly provided with a baffle (11), the middle part of the baffle (11) is provided with a through groove, the top end and the bottom end of the through groove are both provided with sliding grooves (15), the sliding grooves (15) are respectively in sliding connection with sliding blocks (16) fixedly arranged at the two ends of two sliding plates (17), the middle parts of the two sliding plates (17) are both provided with light transmission grooves (18), one side of the third sliding block (12) far away from the second sliding block (10, the fixed imaging plate that is equipped with in top of fourth slider, the fixed flush mounting plate that is equipped with in one side of box (1) outside, first electric telescopic rod control button, the electric telescopic rod control button of second and the light control button that are equipped with on the flush mounting plate, first electric telescopic rod (3), second electric telescopic rod (13) and light (6) are respectively through first electric telescopic rod control button, the electric telescopic rod control button of second and light control button and power electric connection.

2. A portable young's double slit interference demonstration apparatus as claimed in claim 1, wherein a shading cloth (14) is provided on one side of the two sliding plates (17) and inside of both ends of the through groove, and a shading cloth (14) is provided between the two sliding plates (17).

3. The portable young double-slit interference demonstration device as claimed in claim 1, wherein two ends of the sliding rail (8) are both fixedly provided with a limiting block (5).

4. A portable young's double slit interference demonstration apparatus according to claim 1, wherein a locking bolt is inserted into one side of the first slider (7), one side of the second slider (10), one side of the third slider (12) and one side of the fourth slider.