CN112991892A - Flexible double-slit device for double-slit experiment - Google Patents
Flexible double-slit device for double-slit experiment Download PDFInfo
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- CN112991892A CN112991892A CN202110265319.7A CN202110265319A CN112991892A CN 112991892 A CN112991892 A CN 112991892A CN 202110265319 A CN202110265319 A CN 202110265319A CN 112991892 A CN112991892 A CN 112991892A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention belongs to the technical field of double-slit experimental equipment, and particularly relates to a flexible double-slit device for a double-slit experiment. The invention achieves the purpose that the seam distance and the seam width of the double-seam structure can be independently and flexibly adjusted by arranging the fixed perforated plate unit, the movable perforated plate unit and the two movable baffle plates on the perforated bottom plate unit. The invention has the following advantages: the dislocation adjusting function between the fixed perforated plate unit and the movable perforated plate unit can ensure that the seam distance is flexibly adjustable within a certain range; the two movable baffle units can be independently and slidably adjusted, so that the seam widths at two sides can be independently and flexibly adjusted to meet various optical teaching requirements; the whole double-slit device is high in structural stability, simple and convenient to adjust and operate, high in precision and very compact in overall structure.
Description
Technical Field
The invention belongs to the technical field of double-slit experimental equipment, and particularly relates to a flexible double-slit device for a double-slit experiment.
Background
In the optical double-slit experiment teaching process, at least the double-slit device needs to be adjusted as follows, so that the teaching requirements of various different optical systems can be met, and the students can understand the double-slit principle better and more deeply: firstly, under the condition of unchanging the seam width, the seam distance is adjusted, and the adjustment range of the seam distance is generally 0.5-1.0 mm; secondly, both slot width parameters are adjusted symmetrically or asymmetrically with a constant slot pitch.
On the existing teaching device, the method for meeting the two requirements is to continuously replace various types of double-slit plates, and the specification parameters of the double-slit plates are prefabricated and fixed and are nonadjustable, so that the whole double-slit teaching device comprises dozens of or even dozens of double-slit plates, which brings great trouble to the double-slit experiment.
Therefore, in view of the above, there is a need for a double-seam device capable of flexibly adjusting two parameters, namely seam width and seam distance, and the two parameters can be independently adjusted.
The patent publication No. CN209641194U, Chinese utility model patent No. 2019.11.15 discloses an integrated double-slit interferometer, which comprises a box body, a light emitting device is fixed on the rear side wall of the box body, a measuring device is fixed on the front side wall of the box body, and a shading cylinder is fixed in the middle of the box body through a bracket; the light emitting device consists of a battery box, an LED light source and a switch button, wherein the battery box and the LED light source are arranged in the box body, and the switch button is arranged outside the box body and connected together by punching a hole on the rear side wall of the box body; the measuring device consists of a vernier caliper and a measuring head and is fixed with the shading cylinder in the box body by punching on the front side wall of the box body; the single-slit double-slit lens is solidified and installed on the shading cylinder, so that secondary debugging is avoided; the front end of the single-slit double-slit lens is provided with an optical filter.
But the utility model discloses a double slit interferometer in, the specification of its single slit double slit camera lens is fixed nonadjustable, so just there is the not comprehensive problem inadequately in the double slit experiment, can not deepen the experiment and understand.
Disclosure of Invention
The invention provides a flexible double-slit device for a double-slit experiment, which can achieve the purpose that the slit distance and the slit width of a double-slit structure can be independently and flexibly adjusted by arranging a fixed perforated plate unit, a movable perforated plate unit and two movable baffle plates on a perforated bottom plate unit.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a nimble type double-slit device for double-slit experiment, includes the trompil bottom plate unit of vertical setting, sets up on the vertical side of trompil bottom plate unit and be used for forming the fixed trompil board unit of initial seam distance, set up on the vertical side of trompil bottom plate unit and through horizontal sliding on the vertical side of fixed trompil board unit and then adjusting the mode of overlapping region size is in order to be used for adjusting the activity trompil board unit of double-slit seam distance, and set up and be in on the vertical side of trompil bottom plate unit and be located respectively the both sides of fixed trompil board unit are through horizontal sliding's mode is in order to be used for independently adjusting two movable baffle units of two seam width parameters on the vertical side of activity trompil.
The further preferred technical scheme is as follows: the tapping bottom plate unit comprises a vertical plate body, a bottom plate tapping arranged on the vertical plate body, convex supporting plates arranged on the side surfaces of the vertical plate body and below the bottom plate tapping and used for supporting the fixed tapping plate unit, the movable tapping plate unit and the two movable baffle plate units, vertical limiting plates arranged on the upper surfaces of the convex supporting plates and used for clamping and limiting the outer side surfaces of the two movable baffle plate units, and a first vertical plate arranged on the upper surfaces of the convex supporting plates and positioned at the inner sides of the vertical limiting plates and used for clamping and fixing the fixed tapping plate unit and clamping and limiting the movable tapping plate unit, and the second vertical plate is arranged on the upper surface of the protruding supporting plate, is positioned on the inner side of the vertical limiting plate and is used for clamping and fixing the other side of the fixed perforated plate unit and allowing the movable perforated plate unit to slide through.
The further preferred technical scheme is as follows: the protruding thickness of the second vertical plate on the vertical side surface of the vertical plate body is smaller than that of the first vertical plate.
The further preferred technical scheme is as follows: fixed trompil board unit is including setting up fixed rectangular plate in the U type frame that first vertical board, protrusion backup pad and the vertical board three of second are constituteed sets up fixed plate trompil on the fixed rectangular plate, and set up and be in the fixed plate is in and is used for forming the vertical strip of fixed plate of initial seam distance.
The further preferred technical scheme is as follows: the movable perforated plate unit comprises a sliding rectangular plate, a plate body pushing part, a sliding plate opening and a sliding plate vertical strip, wherein the sliding rectangular plate is arranged on the protruding supporting plate and is located between the first vertical plate and the movable baffle plate unit, the plate body pushing part is arranged on the side face of the vertical plate body and is located above the movable baffle plate unit and close to one side of the second vertical plate, the sliding plate opening is arranged on the sliding rectangular plate, and the sliding plate opening is arranged on the sliding plate opening and forms the sliding plate vertical strip in the overlapping area together with the fixed plate vertical strip.
The further preferred technical scheme is as follows: the plate body pushing portion comprises a fixing plate arranged on the side face of the vertical plate body, a pulling spring arranged between the fixing plate and the opposite side face of the sliding rectangular plate, and a bolt for adjusting the gap distance, wherein the bolt is used for adjusting the effective gap distance in a mode of the sliding rectangular plate through transverse pushing after the fixing plate penetrates through the pulling spring.
The further preferred technical scheme is as follows: the adjustable fender unit is including setting up protruding backup pad is last and the lateral surface laminating vertical limiting plate, medial surface laminating slip rectangular plate is used for forming the sword template of double-slit structure outside seam limit, sets up on the sword template medial surface and slide on the vertical plate body side and be used for giving fixed trompil board unit with the backup pad in space is used for the internal installation is vacated to activity trompil board unit, and sets up and be in be used for promoting on the vertical plate body side and adjust the wide regulation portion of seam of sword template.
The further preferred technical scheme is as follows: the transverse section of the knife-shaped plate is in a right trapezoid shape, and the edge of the knife-shaped plate corresponding to the acute angle of the right trapezoid is the outer side seam edge of the double-seam structure.
The further preferred technical scheme is as follows: the seam width adjusting part comprises a side fixing plate arranged on the side face of the vertical plate body, a reset spring arranged between the side fixing plate and the opposite side face of the cutter-shaped plate, and a bolt for adjusting the seam width parameter of the double-seam structure in a manner that the cutter-shaped plate is jacked towards the middle.
The further preferred technical scheme is as follows: the number of the reset springs is two, and the adjusting bolt is arranged between the upper reset spring and the lower reset spring.
The invention has the following advantages: firstly, the perforated bottom plate unit, the fixed perforated plate unit, the movable perforated plate unit and the movable baffle plate unit are provided with overlapped perforated areas on a light path, so that light rays can smoothly pass through the perforated bottom plate unit, the fixed perforated plate unit, the movable perforated plate unit and the movable baffle plate unit; secondly, the dislocation adjusting function between the fixed perforated plate unit and the movable perforated plate unit can ensure that the seam distance is flexibly adjustable within a certain range; thirdly, the two movable baffle plate units can be independently and slidably adjusted, so that the seam widths at two sides can be independently and flexibly adjusted to meet various optical teaching requirements; fourthly, the whole double-slit device is high in structural stability, simple and convenient to adjust and operate, high in precision and very compact in overall structure.
Drawings
Fig. 1 is a schematic structural view of an open-pore floor unit according to the present invention.
Fig. 2 is a schematic structural view from a front view.
Fig. 3 is a schematic structural diagram of the present invention in a top view.
Fig. 4 is a schematic structural view of a fixed apertured plate unit according to the present invention.
Fig. 5 is a schematic structural view of the movable apertured plate unit in accordance with the present invention.
Fig. 6 is a schematic structural diagram of the position of the flapper unit in a top view.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, a flexible double-slit apparatus for double-slit experiments comprises a vertically arranged perforated base plate unit 1, a fixed perforated plate unit 2 arranged on the vertical side of the perforated base plate unit 1 and used for forming an initial slit distance, a movable perforated plate unit 3 arranged on the vertical side of the perforated base plate unit 1 and used for adjusting the double-slit distance in a manner of transversely sliding on the vertical side of the fixed perforated plate unit 2 and then adjusting the size of an overlapped area, and two movable baffle plate units 4 arranged on the vertical side of the perforated base plate unit 1 and respectively located on two sides of the fixed perforated plate unit 2 and used for independently adjusting two slit width parameters in a manner of transversely sliding on the vertical side of the movable perforated plate unit 3.
In the embodiment, the seam distance adjusting mode of the double seam structure is based on the fixed perforated plate unit 2 and the movable perforated plate unit 3 which have the same size, the former fixes the latter to slide, so that the originally overlapped areas for forming the seam distance can be pulled apart, the seam distance is smaller when the two overlapped areas are pulled apart, otherwise, the two overlapped areas are completely overlapped to be the minimum seam distance value, certainly, the two overlapped areas cannot be pulled apart completely, otherwise, the two overlapped areas are changed into a ' three seam structure ', and the three seam structure ' is not allowed.
Secondly, two the adjustable fender unit 4 can be independently freely pull open to both sides, and the seam width of this double slit structure has just also can be adjusted in a flexible way, finally guarantees wholly the double slit device has the flexible adjustable effect of seam distance and seam width.
The perforated bottom plate unit 1 comprises a vertical plate body 101, a bottom plate perforated plate 102 arranged on the vertical plate body 101 is arranged on the side surface of the vertical plate body 101 and is positioned below the bottom plate perforated plate 102 and used for supporting the fixed perforated plate unit 2, the movable perforated plate unit 3 and two projected support plates 103 of the movable baffle plate unit 4, vertical limiting plates 104 arranged on the upper surface of the projected support plates 103 and used for clamping and fixing the two outer side surfaces of the movable baffle plate unit 4, first vertical plates 105 arranged on the upper surface of the projected support plates 103 and positioned on the inner side of the vertical limiting plates 104 and used for clamping and fixing the fixed perforated plate unit 2, clamping and limiting the movable perforated plate unit 3, and a bottom plate perforated plate 102 arranged on the upper surface of the projected support plates 103 and used for clamping and fixing the other side of the fixed perforated plate unit 2, A second vertical plate 106 allowing said movable aperture plate unit 3 to slide through.
In this embodiment, vertical plate body 101, protruding backup pad 103 and vertical limiting plate 104 form the similar U type structure on the parallel light direction of advance for guarantee two of the outside the adjustable fender unit 4 is difficult to turn and drops, and first vertical plate 105, protruding backup pad 103 and the vertical plate 106 of second form the ascending U type structure of perpendicular light direction of advance, guarantee fixed trompil board unit 2 can not unexpected the removal, finally movable trompil board unit 3 steadily slides in order to be used for adjusting the seam distance adjustable fender unit 4 steadily slides in order to be used for adjusting the seam width, finally guarantees the effective use of double-seam device.
The second vertical plate 106 has a smaller projection thickness on the vertical side of the vertical plate body 101 than the first vertical plate 105.
In this embodiment, the basic perforated plate structure of the fixed perforated plate unit 2 and the movable perforated plate unit 3 has the same size in consideration of more uniform and simple production and manufacture, so the first vertical plate 105 can be relatively thick and used for clamping the fixed perforated plate unit 2 and limiting the movable perforated plate unit 3 on one side, but at this time, if the second vertical plate 106 has the same thickness, the movable perforated plate unit 3 cannot slide, so the thickness of the second vertical plate 106 is relatively small, and only the fixed perforated plate unit 2 can be clamped, so that the movable perforated plate unit 3 can be ensured to slide smoothly.
The fixed perforated plate unit 2 includes a fixed rectangular plate 201 disposed in a U-shaped frame formed by the first vertical plate 105, the protruding support plate 103, and the second vertical plate 106, a fixed plate opening 202 disposed on the fixed rectangular plate 201, and a fixed plate vertical bar 203 disposed in the fixed plate opening 202 and configured to form an initial gap distance.
The movable perforated plate unit 3 includes a sliding rectangular plate 301 disposed on the protruding support plate 103 and located between the first vertical plate 105 and the flapper unit 4, a plate body pushing portion 302 disposed on the side surface of the vertical plate body 101 and located at a position above the flapper unit 4 near the second vertical plate 106, a sliding plate opening hole 303 disposed on the sliding rectangular plate 301, and a sliding plate vertical bar 304 disposed on the sliding plate opening hole 303 and forming the overlapping area together with the fixed plate vertical bar 203.
In this embodiment, the fixed rectangular plate 201, the fixed plate opening 202, the fixed plate vertical bar 203, and the sliding rectangular plate 301, the sliding plate opening 303, and the sliding plate vertical bar 304 are all the same in size and are replaceable, and the movable apertured plate unit 3 only passes through: firstly, the plate pushing part 302 is additionally arranged; second, the second vertical plate 106 does not block the sliding rectangular plate 301, so as to ensure that the movable apertured plate unit 3 can slide smoothly.
The plate body pushing portion 302 includes a fixing plate 302a disposed on a side surface of the vertical plate body 101, a pulling spring 302b disposed between the fixing plate 302a and an opposite side surface of the sliding rectangular plate 301, and a gap distance adjusting bolt 302c passing through the fixing plate 302a and for adjusting an effective gap distance by pushing the sliding rectangular plate 301 in a lateral direction.
In this embodiment, the gap-adjusting bolt 302c is finally used to push and adjust the position of the sliding plate vertical bar 304, and the pulling spring 302b is used to "press" the sliding rectangular plate 301 against the gap-adjusting bolt 302c, so as to ensure that the sliding rectangular plate 301 is fixed after adjustment.
In this embodiment, the trapezoidal knife-shaped plate 401 can ensure that the boundary forming the seam edge is a relatively "sharp" acute-angled edge, and ensure that the double seam boundary is clearer, and the supporting plate 402 makes the inner side of the knife-shaped plate 401 can accommodate the fixed apertured plate unit 2 and the movable apertured plate unit 3, so as to ensure that the whole double seam structure can be smoothly formed,
in addition, the above attaching means that the distance between the inner side surface of the vertical limiting plate 104 and the outer side surface of the sliding rectangular plate 301 is 0.1-0.2mm larger than the thickness of the knife-shaped plate 401, so that the sliding rectangular plate 301 and the knife-shaped plate 401 can slide relatively in a labor-saving and stable manner.
The slit width adjusting part 403 comprises a side fixing plate 403a arranged on the side surface of the vertical plate body 101, a return spring 403b arranged between the side fixing plate 403a and the opposite side surface of the cutting plate 401, and an adjusting bolt 403c which is screwed on the side fixing plate 403a and is used for adjusting the slit width parameter of the double slit structure by jacking the cutting plate 401 towards the middle. The number of the return springs 403b is two, and the adjusting bolt 403c is provided between the upper and lower return springs 403 b.
In this embodiment, the structure of the slot width adjusting portion 403 is identical to that of the plate pushing portion 302, and the two portions only have differences in installation position, size and purpose of use, and the purpose of the slot width adjusting portion 403 is to ensure that the knife-shaped plate 401 can slide stably and can be fixed after sliding to a desired position without being loosened accidentally.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (10)
1. The utility model provides a nimble type double slit device for double slit experiment which characterized in that: trompil bottom plate unit (1) including vertical setting sets up on the vertical side of trompil bottom plate unit (1) and be used for forming initial seam apart from fixed trompil board unit (2), set up on the vertical side of trompil bottom plate unit (1) and through on the vertical side of fixed trompil board unit (2) lateral sliding and then adjust the mode of overlapping area size with being used for adjusting the activity trompil board unit (3) that the double slit seam apart from, and set up and be in on the vertical side of trompil bottom plate unit (1) and be located respectively the both sides of fixed trompil board unit (2) are through two movable baffle unit (4) of two wide parameters of independent regulation with being used for of mode lateral sliding on the vertical side of activity trompil board unit (3).
2. The flexible double slit apparatus for double slit experiments according to claim 1, wherein: the perforated bottom plate unit (1) comprises a vertical plate body (101), a bottom plate perforated hole (102) arranged on the vertical plate body (101), a protruding support plate (103) arranged on the side surface of the vertical plate body (101) and positioned below the bottom plate perforated hole (102) and used for supporting the fixed perforated plate unit (2), the movable perforated plate unit (3) and the two movable baffle plate units (4), a vertical limiting plate (104) arranged on the upper surface of the protruding support plate (103) and used for clamping and limiting on the outer side surfaces of the two movable baffle plate units (4), and a first vertical plate (105) arranged on the upper surface of the protruding support plate (103) and positioned on the inner side of the vertical limiting plate (104) and used for clamping and fixing the fixed perforated plate unit (2) and clamping and limiting the movable perforated plate unit (3), and a second vertical plate (106) which is arranged on the upper surface of the convex support plate (103), is positioned inside the vertical limiting plate (104), is used for clamping and fixing the other side of the fixed perforated plate unit (2) and allows the movable perforated plate unit (3) to slide through.
3. The flexible double slit apparatus for double slit experiments according to claim 2, wherein: the second vertical plate (106) has a smaller projection thickness on the vertical side of the vertical plate body (101) than the first vertical plate (105).
4. The flexible double slit apparatus for double slit experiments according to claim 2, wherein: the fixed perforated plate unit (2) comprises a fixed rectangular plate (201) arranged in a U-shaped frame formed by the first vertical plate (105), the protruding support plate (103) and the second vertical plate (106), a fixed plate opening (202) arranged on the fixed rectangular plate (201), and a fixed plate vertical strip (203) arranged in the fixed plate opening (202) and used for forming an initial seam distance.
5. The flexible double slit apparatus for double slit experiments as claimed in claim 4, wherein: the movable perforated plate unit (3) comprises a sliding rectangular plate (301) which is arranged on the protruding support plate (103) and is positioned between the first vertical plate (105) and the movable baffle plate unit (4), a plate body pushing part (302) which is arranged on the side surface of the vertical plate body (101) and is positioned above the movable baffle plate unit (4) and is close to one side of the second vertical plate (106), a sliding plate opening hole (303) which is arranged on the sliding rectangular plate (301), and a sliding plate vertical strip (304) which is arranged on the sliding plate opening hole (303) and forms the overlapping area together with the fixed plate vertical strip (203).
6. The flexible double slit apparatus for double slit experiments as claimed in claim 5, wherein: the plate body pushing portion (302) comprises a fixing plate (302 a) arranged on the side face of the vertical plate body (101), a pulling spring (302 b) arranged between the fixing plate (302 a) and the opposite side face of the sliding rectangular plate (301), and a gap distance adjusting bolt (302 c) which penetrates through the fixing plate (302 a) and is used for adjusting an effective gap distance in a mode of pushing the sliding rectangular plate (301) transversely.
7. The flexible double slit apparatus for double slit experiments as claimed in claim 5, wherein: activity baffle unit (4) are including setting up protruding backup pad (103) are gone up and the lateral surface laminating vertical limiting plate (104), medial surface laminating slip rectangular plate (301) and be used for forming board (401) of the seam limit in the double slit structure outside, set up on board (401) medial surface and be in slide on vertical plate body (101) side and be used for giving fixed trompil board unit (2) with support plate (402) in space for the internally mounted is vacated in activity trompil board unit (3), and sets up and be in be used for promoting the regulation on vertical plate body (101) side wide regulation part (403) of seam of board (401).
8. The flexible double slit apparatus for double slit experiments as claimed in claim 7, wherein: the transverse section of the knife-shaped plate (401) is in a right trapezoid shape, and the edge of the knife-shaped plate (401) corresponding to the acute angle of the right trapezoid shape is an outer side seam edge of a double-seam structure.
9. The flexible double slit apparatus for double slit experiments as claimed in claim 7, wherein: the seam width adjusting part (403) comprises a side fixing plate (403 a) arranged on the side face of the vertical plate body (101), a return spring (403 b) arranged between the side fixing plate (403 a) and the opposite side face of the knife-shaped plate (401), and an adjusting bolt (403 c) which is arranged on the side fixing plate (403 a) in a threaded manner and is used for adjusting seam width parameters of the double-seam structure in a mode of jacking the knife-shaped plate (401) towards the middle.
10. The flexible double slit apparatus for double slit experiments according to claim 9, wherein: the number of the return springs (403 b) is two, and the adjusting bolt (403 c) is arranged between the upper return spring (403 b) and the lower return spring (403 b).
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| CN202110265319.7A CN112991892B (en) | 2021-03-11 | 2021-03-11 | Flexible double-slit device for double-slit experiment |
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| CN202110265319.7A CN112991892B (en) | 2021-03-11 | 2021-03-11 | Flexible double-slit device for double-slit experiment |
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| CN210664768U (en) * | 2019-10-11 | 2020-06-02 | 深圳市柯宝原科技有限公司 | Novel regulation formula optics slit device |
| CN212057386U (en) * | 2020-04-15 | 2020-12-01 | 舒伟 | Novel adjustable movable push-pull type biomass furnace cover |
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