CN214253601U - Experimental device for verifying speed of light and observer speed relation - Google Patents

Abstract

The utility model discloses an experimental device for verify speed of light and observer speed relation, including shading screen, shading screen horizontal central line left front end is equipped with first laser light source, shading screen horizontal central line right front end is equipped with second laser light source, the right side that shades the screen surface is equipped with the second aperture, the left side that shades the screen surface is equipped with first aperture, one side that the shading screen corresponds is provided with the speculum, the central department swing joint of speculum has the pivot. The utility model discloses a setting of anti-dazzling screen, first laser light source, second laser light source, first aperture, pivot, speculum and second aperture can be so that play the effect of the unchangeable principle of velocity of light at the in-process of test, has avoided the velocity of light to appear the superimposed phenomenon of velocity of light at the in-process of test, has solved the in-process of current verification velocity of light simultaneously and has need used the experimental structure, but can't play the effect of the unchangeable principle of velocity of light at the in-process of test.

Description

Experimental device for verifying speed of light and observer speed relation

Technical Field

The utility model relates to an experimental apparatus technical field specifically is an experimental apparatus who verifies speed of light and observer speed relation.

Background

The modern optical theory of light speed considers that: the propagation speed of light in vacuum has special physical property, that is, the light speed does not satisfy Galileo speed synthesis rule, which is independent of the motion speed of light source, the result of the constant propagation speed of light in vacuum, which is called the principle of constant light speed, is one of the basic premises of the most famous physicist einstein creating narrow relativity theory in the twentieth century, regardless of the moving speed of the observer, however, the result is suspected by many physicists, and an experiment is designed herein, after light emitted from the light source is emitted to the plane mirror under the conditions that the light source is static and the observer respectively stands still and moves, the light is reflected, determining the position of the corresponding light spot on the same screen, observing whether the light spots are separated or not under the two conditions, and observing whether the interval of the light spots is changed along with the increase of the rotating speed of the reflecting mirror or not, wherein if the interval of the light spots is not changed, the propagation speed of the light is irrelevant to the movement speed of an observer; if the light speed is changed, the propagation speed of the light is related to the movement speed of an observer, so that whether the propagation speed of the light in vacuum is related to the movement speed of the observer or not can be verified, an experimental structure is needed in the existing light speed verification process, but the light speed does not play a role of a light speed invariant principle in the test process, so that the phenomenon that the light speeds are superposed in the test process is caused, the use efficiency of the experimental structure is reduced, and the test level is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an experimental apparatus for verify light speed and observer velocity relation possesses the advantage of the unchangeable principle of light speed, has solved the in-process of current verification light speed and has need used experimental structure, but can't play the effect of the unchangeable principle of light speed at the in-process of test, leads to the light speed superimposed phenomenon to appear at the in-process of test, has reduced the availability factor of experimental structure, has reduced the problem of test level.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an experimental device for verify speed of light and observer speed relation, includes and hides the light screen, it is equipped with first laser light source to hide light screen horizontal central line left front end, it is equipped with second laser light source to hide light screen horizontal central line right front end, the right side that hides the light screen surface is equipped with the second aperture, it is equipped with first aperture to hide the left side on light screen surface, the one side that hides the light screen and corresponds is provided with the speculum, the center department swing joint of speculum has the pivot.

Preferably, the reflector reflects the light and then emits the light to the shading screen, and the right side of the first laser light source reflects the light and then emits the light to the reflector.

Preferably, a through groove matched with the reflector is formed in the surface of the first small hole, and the joint of the surface of the rotating shaft and the reflector is movably connected through a bearing.

Preferably, the bottom of the shading screen is fixedly connected with a fixed seat, and the surface of the fixed seat is provided with an anti-slip pad.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a shading screen, first laser light source, second laser light source, first aperture, the apparatus further comprises a rotating shaft, speculum and second aperture setting, can be so that play the effect of the unchangeable principle of velocity of light at the in-process of test, the superimposed phenomenon of velocity of light has been avoided the velocity of light to appear at the in-process of test, the in-process of having solved current verification velocity of light has simultaneously need used the experimental structure, but can't play the effect of the unchangeable principle of velocity of light at the in-process of test, lead to the velocity of light to appear the superimposed phenomenon of velocity of light at the in-process of test, the availability factor of experimental structure has been reduced, the problem of test level has been reduced.

2. The utility model discloses a setting through the groove can be so that first aperture is more convenient at the in-process of reflection, has avoided first aperture to appear the phenomenon of shading at the in-process of reflection, through the setting of bearing, can be so that the pivot is more stable at the pivoted in-process, has avoided the pivot to appear spacing phenomenon at the pivoted in-process, through the setting of fixing base, can be so that the in-process of using is more stable at the shading screen, has avoided the phenomenon that the displacement appears at the in-process of using in the shading screen.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a shading screen; 2. a first laser light source; 3. a second laser light source; 4. a first aperture; 5. a rotating shaft; 6. a mirror; 7. a second aperture.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1, an experimental device for verifying the relationship between the light speed and the speed of an observer comprises a light-shielding screen 1, wherein a fixed seat is fixedly connected to the bottom of the light-shielding screen 1, a non-slip mat is arranged on the surface of the fixed seat, the light-shielding screen 1 can be more stable in the using process through the arrangement of the fixed seat, the displacement phenomenon of the light-shielding screen 1 in the using process is avoided, a first laser light source 2 is arranged at the left front end of the horizontal center line of the light-shielding screen 1, a reflector 6 is reflected to the light-shielding screen 1, the right side of the first laser light source 2 is reflected to the reflector 6, a second laser light source 3 is arranged at the right front end of the horizontal center line of the light-shielding screen 1, a second small hole 7 is arranged on the right side of the surface of the light-shielding screen 1, a first small hole 4 is arranged on the left side of the surface of the light-shielding screen 1, a through groove matched with the reflector 6 is arranged on the surface of the first small hole 4, the surface of a rotating shaft 5 is movably connected with the reflector 6 through a bearing, through the setting that leads to the groove, can be so that first aperture 4 is more convenient at the in-process of reflection, the phenomenon of shading has been avoided first aperture 4 to appear at the in-process of reflection, setting through the bearing, can be so that pivot 5 is more stable at the pivoted in-process, avoided pivot 5 to appear spacingly phenomenon at the pivoted in-process, the one side that anti-dazzling screen 1 corresponds is provided with speculum 6, the center department swing joint of speculum 6 has pivot 5, through anti-dazzling screen 1, first laser source 2, second laser source 3, first aperture 4, pivot 5, the setting of speculum 6 and second aperture 7, can be so that play the effect of the unchangeable principle of velocity of light at the in-process of test, the superimposed phenomenon of velocity of light has been avoided the velocity of light to appear at the in-process of test.

All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.

When the device is used, a user energizes the two laser light sources to emit two laser beams, and when the reflector 6 is static, the position of the shading screen 1 is adjusted to enable the two laser beams to shoot to the reflector 6 through the first small hole 4 and the second small hole 7 on the screen; the emitting direction of the first laser light source 2 is adjusted, the laser beam emitted to the reflecting mirror 6 is emitted to the shading screen 1 against the incident direction after being reflected by the plane mirror, and bright spots are projected on the screen, the adjusting difficulty is large because the first laser light source 2 and the second laser light source 3 are far away from the plane reflecting mirror 6, then the reflecting mirror 6 is rotated, whether the bright spots are divided into two bright spots is observed, whether the distance between the two bright spots is increased along with the increase of the rotating speed of the reflecting mirror 6, the distance between the first laser light source 2 and the second laser light source 3 is 1 meter, the shading screen 1 is close to the second laser light source 3, the distance between the shading screen 1 and the plane reflecting mirror 6 is L750 meters, the rotating speed n of the reflecting mirror 6 is 90 revolutions per second, when the reflecting mirror 6 rotates, the speed synthesis law is adopted, two points of B, C are 2 pi Rn (2L/c) 2 is 3.14 ^ 90 ^ 1 (2X 3) ^8 (2X 3) m (750 cm) 8), when the disc is static and rotates, only one bright spot is projected on the shading screen 1 according to the principle that the light speed is unchanged; according to the speed synthesis rule, under the above conditions, the distance between two bright spots projected on the shading screen 1 is 0.565cm, and the distance can be clearly observed and judged only by human eyes, it needs to be pointed out that the luminous power of the first laser light source 2 and the second laser light source 3 needs to reach a certain value, because the light is reflected by the plane mirror to have a long round trip distance after being emitted, if the power is insufficient, the bright spot formed by transmitting the reflected light to the screen is not clear, when the reflector 6 is static, only one bright spot is on the shading screen 1, after the reflector 6 rotates, whether the bright spot on the screen is separated or not is observed, the bright spot is not separated, the light speed is irrelevant to the speed of an observer, and the principle of constant light speed is correct; the bright spots are separated, and the distance between the two bright spots is increased along with the increase of the rotating speed of the reflector 6, so that the light speed is related to the speed of an observer, and the light speed meets the Galileo speed synthesis rule.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides an experimental apparatus for verify speed of light and observer's speed relation, includes shading screen (1), its characterized in that: shading screen (1) horizontal central line left front end is equipped with first laser light source (2), shading screen (1) horizontal central line right front end is equipped with second laser light source (3), the right side on shading screen (1) surface is equipped with second aperture (7), the left side on shading screen (1) surface is equipped with first aperture (4), the one side that shading screen (1) corresponds is provided with speculum (6), the center department swing joint of speculum (6) has pivot (5).

2. The experimental apparatus for verifying speed of light in relation to speed of an observer as claimed in claim 1, wherein: the reflector (6) reflects and then emits to the shading screen (1), and the right side of the first laser light source (2) reflects and then emits to the reflector (6).

3. The experimental apparatus for verifying speed of light in relation to speed of an observer as claimed in claim 1, wherein: the surface of the first small hole (4) is provided with a through groove matched with the reflector (6) for use, and the joint of the surface of the rotating shaft (5) and the reflector (6) is movably connected through a bearing.

4. The experimental apparatus for verifying speed of light in relation to speed of an observer as claimed in claim 1, wherein: the bottom of the shading screen (1) is fixedly connected with a fixed seat, and the surface of the fixed seat is provided with an anti-slip pad.

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