CN2738340Y - Optical reflection and optical refraction and plane mirror imaging combined demonstrator - Google Patents

Optical reflection and optical refraction and plane mirror imaging combined demonstrator Download PDF

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Publication number
CN2738340Y
CN2738340Y CN 200420037201 CN200420037201U CN2738340Y CN 2738340 Y CN2738340 Y CN 2738340Y CN 200420037201 CN200420037201 CN 200420037201 CN 200420037201 U CN200420037201 U CN 200420037201U CN 2738340 Y CN2738340 Y CN 2738340Y
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path plate
light path
light
optical
reflection
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CN 200420037201
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Chinese (zh)
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戴建初
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Abstract

The performance of optical source of a present optical reflection law or optical refraction law demonstrator is not ideal, and reflected rays, refracted rays, and incident rays demonstrated by an optical path plate are not clear. The present demonstrator does not have convenient operation or good experiment teaching effect, and takes a large space and is easy to be damaged. The utility model provides an optical reflection and optical refraction and plane mirror imaging combined demonstrator, comprising a laser source, a plane mirror, a first optical path plate, a second optical path plate, a refracted optical path plate, a transparent plate, a candle holding plate, a candle holding base, a support base, etc. The optical reflection and optical refraction and plane mirror imaging combined demonstrator can be used for teaching experiments of optical reflection law and optical refraction law and plane mirror imaging law. The magnetic adsorption laser source is easy to be fixed to adjust rays positions. The optical reflection and optical refraction and plane mirror imaging combined demonstrator can clearly and conveniently demonstrate the positions of the reflected rays, the refracted rays, the incident rays and the normal line, can measure the angular dimension of a reflected angle and an incidence angle, can compare the size of the refracted angle and the incidence angle, and can certify that the reflected rays or the refracted rays are in the same plane with the incident rays and the normal line. The candle does not lodge during the plane mirror imaging experiment, and the position of the candle is convenient to adjust. The experiment process is complete and is simple to operate, the accordion structure of the optical reflection and optical refraction and plane mirror imaging combined demonstrator saves storing space.

Description

The refraction of reflection of light and light and mirror imaging combined demonstrater
Technical field
The utility model relates to the device of good demonstration reflected light path, refractive light paths feature, especially can the complete efficient convenient combined teaching method experimental provision of demonstrating reflection of light law and law of refraction and mirror imaging.
Background technology
The demonstration device of existing reflection of light law is (as the 26th page of Fig. 1-38 of compulsory education curricular standard experiment textbook second edition second in Dec, 2002, the J2528 instrument) generally adopts the separate piece level crossing, the white screen board of collapsible band protractor, ordinary light source (or boundling lasing light emitter), the ordinary light source collimation is all relatively poor, must be converted into directional light through slit, device is complicated, and its intensity a little less than, light is unintelligible, its stability of layout of manual mode operation light source is poor, the teacher operates before plate during demonstration, block student's sight line, be unfavorable for observation of students, inconvenient operation, the time-consuming teaching efficiency that influences; Also there is employing optical disk (J2501) to experimentize in addition, but impact effects all with the coplanarity of the coplanarity that can not demonstrate sure reflection ray and incident ray or refracted ray and incident ray, and also trouble of operation; Mirror imaging tester (J2530) is that a middle mosaic glass is a main body with the plank, the boiling hot oil of candle is positioned on the plank tests, otherwise candle lodges easily during experiment, inconvenient again mobile candle behind the boiling hot oil, experiment is obviously inconvenient, and this imaging experiment device takes up room greatly in instrument storage, and glass also breaks up damage easily.Above instrument has only special purpose.
Summary of the invention
Undesirable for the law of refraction demonstration instrument light source performance that overcomes existing reflection of light law or light, the light path plate shows that reflection, refracted ray, incident ray are unintelligible, inconvenient operation, the deficiency of inaccessible experimental teaching good result; Also in order to overcome existing mirror imaging tester experimental implementation inconvenience, the instrument storage takes up room greatly and the weakness of damaging easily.This novel practical provides the refraction and the mirror imaging combined demonstrater of a kind of reflection of light and light, this demonstration device is used for the law of refraction education experiment of reflection of light law and light, not only LASER Light Source is convenient to fix, can clear show reflection ray easily, the position of refracted ray and incident ray and normal, can measure the angular dimension of reflection angle and incident angle easily, the size that compares refraction angle and incident angle easily, and it is motionless to be presented at the input path plate easily, and another light path plate is when turning over behind the certain angle not with input path plate copline, reflection ray or refracted ray can not occur on this light path plate, thus proof reflection ray or refracted ray and incident ray and normal copline; This demonstration device is used for the mirror imaging education experiment, can prevent from that candle lodging is unexpected to occur, and moves the position of adjusting two candles easily, and the position of clear demonstration picture and candle reaches the effect directly perceived of mirror imaging.
The technical scheme that its technical matters that solves the utility model adopts is: the refraction of a kind of reflection of light and light and mirror imaging combined demonstrater, comprise LASER Light Source, level crossing, and the first light path plate, the second light path plate, refractive optical board, transparent panel, candle holder, 2 candle holding seats and 3 bearings; Described LASER Light Source is a magnetic adsorption type; Described level crossing is fixed on and constitutes the level crossing assembly on the microscope base; The described first light path plate, the second light path plate are all selected the smooth rectangle clear sheet in the positive coarse back side for use, from top to bottom measure the hornwork scale in its front from vertically being provided with 0~90 to the horizontal direction mark, lay 90 degree arc iron sheets respectively, and be connected with the left side 0 degree axis place hinge of the second light path plate in the right side of the first light path plate, on the first light path plate and the second light path plate the 0 degree line and the center of circle are overlapped, thereby form left-right symmetric; Described refractive optical board is selected the smooth rectangle clear sheet in coarse front, the back side for use, from bottom to top measures the hornwork scale from vertically being provided with 0~90 to the horizontal direction mark at its back side; The left side of described transparent panel is connected with the right side hinge of the second light path plate; Be demonstration reflection of light law, described level crossing assembly can be installed on the first light path plate or the second light path plate, one end is fixed, the other end extends to another light path plate (i.e. the second light path plate or the first light path plate) and locates, wherein the level crossing minute surface overlaps with an angle of 90 degrees degree line that light path plate subscript is established, perhaps for demonstrating the law of refraction of light, can for described refractive optical board is installed on the first light path plate or the second light path plate, one side is fixed, opposite side extends to another light path plate (i.e. the second light path plate or the first light path plate) and locates, and wherein the refractive optical board subscript an angle of 90 degrees degree line and the center of circle of establishing overlaps with an angle of 90 degrees degree line and the center of circle that the first light path plate or the second light path plate subscript are established.
The described first light path plate and the second light path plate can be positive rectangle transparent plexiglass plates through frosted, also can be positive other rectangle transparent plastic sheets through frosted.
Described refractive optical board can be the rectangle transparent plexiglass plate of the back side through frosted, also can be the back side other rectangle clear sheet through frosted.
Described candle holder can adopt the irony section bar of upper surface band scale, also can be the sheet material of iron sheet that upper surface is provided with the band scale, can also be formed by being movably hinged to be connected by the sheet material that two upper surfaces are provided with the iron sheet of band scale.
Described candle holding seat is a magnetic adsorption type.
The utility model design science is reasonable, to the described first light path plate and the second light path plate, easily produce diffuse reflection according to rough object surface, make the observer of all directions see the principle of the light of process easily, the poly (methyl methacrylate) plate of flat transparent has been carried out the single face frosted, and it is smooth that the back side keeps; Establish 0~90 tolerance hornwork scale at the positive mark of frosted, be convenient to measure reflection angle and incident angle; 2 90 degree arc iron sheets are fixed the heart in protractor scale outer, be convenient to adjust and fixing magnetic adsorption type LASER Light Source, also be convenient to regulate the position of light; The first light path plate is connected at 0 degree axis place hinge with the second light path plate, and the degree line of 0 on the two light path plates and the center of circle are overlapped, thereby form left-right symmetric.Level crossing assembly and refractive optical board can be selected to install respectively when the law of refraction demonstration of carrying out demonstration of reflection of light law and light.Demonstration is absolutely necessary and the setting of transparent panel is for the mirror imaging rule; Candle holder is irony section bar or the iron sheet that is provided with the band scale, with the supporting use of magnetic adsorption type candle holding seat, is convenient to adjust distance, also candle holder can be arranged to foldablely, and candle holder and candle holding seat are the stand-alone assemblies that is equipped with for mirror imaging rule demonstration.The utility model many places are provided with hinge and connect, and can fold, and the assembly that has is that stand-alone assembly maybe can be dismantled, thereby storage is convenient, saves storage space.
Practical application of the present utility model has three kinds of situations:
The demonstration of reflection of light law.Downside at the first light path plate that is connected, the second light path plate and transparent panel is installed a bearing respectively, by suitable adjusting, makes it steadily to erect in phase to put in desktop, and the first light path plate and the second light path plate are in same plane.The level crossing assembly is installed on the first light path plate or the second light path plate, and an end is fixed, and the other end extends to another light path plate (i.e. the second light path plate or the first light path plate) and locates, and wherein the level crossing minute surface overlaps with an angle of 90 degrees degree line that light path plate subscript is established.On the arc iron sheet of the light path plate of fixed pan mirror assembly, set up the magnetic adsorption type LASER Light Source, open light source, make the level crossing of the circle centre position of light amount of alignment hornwork scale, just do not demonstrate reflected light on the light path plate of fixed pan mirror assembly, Direct observation reflection ray and incident ray separation are in the normal both sides, reflection ray and incident ray and normal at grade, read reflection angle and incident angle directly relatively size whether equate, thereby the easy reflection of light law that draws intuitively.After rotating after the light path plate winding alignment of fixed pan mirror assembly not, reflection ray no longer appears on this light path plate, has proved that reflection ray and incident ray have to the isoplanars.Adjust incident angle and can do experiment easily again.
The law of refraction demonstration of light.Downside at the first light path plate that is connected, the second light path plate and transparent panel is installed a bearing respectively, by suitable adjusting, makes it steadily to erect in phase to put in desktop, and the first light path plate and the second light path plate are in same plane.Refractive optical board is installed on the first light path plate or the second light path plate, one side is fixed, opposite side extends to another light path plate (i.e. the second light path plate or the first light path plate) and locates, and wherein the refractive optical board subscript an angle of 90 degrees degree line and the center of circle of establishing overlaps with an angle of 90 degrees degree line and the center of circle that the first light path plate or the second light path plate subscript are established.On the arc iron sheet of fixing that light path plate of refractive optical board, set up the magnetic adsorption type LASER Light Source, open light source, make the circle centre position on the light aligning refractive optical board, demonstrate incident light and refract light on input path plate and the refractive optical board respectively, Direct observation refracted ray and incident ray separation are in the normal both sides, refracted ray and incident ray and normal at grade, read refraction angle and incident angle directly relatively size whether equate, thereby easy law of refraction that intuitively must bright dipping.After rotating after that light path plate winding alignment of fixing refractive optical board, refracted ray no longer appears on this light path plate, and only appears on the refractive optical board, has proved that refracted ray and incident ray have to the isoplanars.Adjust incident angle and can do experiment easily again.
The demonstration of mirror imaging rule.Downside at the first light path plate that is connected, the second light path plate and transparent panel is installed a bearing respectively, by suitable adjusting, makes it steadily to erect in phase to put in desktop.Candle holder is lain in a horizontal plane in the position vertical with transparent panel, make 0 scale mark just in time be in the below of transparent panel, before and after transparent panel, respectively place a magnetic adsorption type candle holding seat on the candle holder of both sides, and plug same candle, light the candle of front, the position of adjusting the back candle holding seat makes the back candle overlap with the front candle, and back candle also image point has fired, but the image space of Direct observation candle flame.Because two magnetic adsorption type candle sockets can not fall down from candle holder,, lift candle holder and allow the observer watch two candle holding seats to be the position of candle and picture, to be convenient to draw the mirror imaging rule so also can remove transparent panel.The second light path plate smooth backside and transparent panel are changed into≤180 degree angles around vertical axes, in angle, place the candle of lighting, can carry out the experiment of two mirror imaging numbers.
The beneficial effects of the utility model are: when carrying out the experiment of reflection of light law, can put LASER Light Source easily, adjust the light position by magnetic adsorption type, the operation demonstrator is positioned at the back, observer of demonstration device towards demonstration device, can both clearly see incident ray and reflection ray or refracted ray, experimentation is complete and easy and simple to handle, reaches the requirement of instructional objective regulation.When carrying out the mirror imaging experiment, prevent the candle lodging, be convenient to adjust the candle position, be convenient to show and read image distance and object distance.Can also carry out the imaging number experiment of two level crossing angle≤180 when spending.The utility model is collapsible, saves storage space.
Description of drawings
Fig. 1 is a kind of embodiment synoptic diagram of the utility model, comprises the required level crossing assembly of demonstration reflection of light law among the figure.
Fig. 2 is another synoptic diagram of a kind of embodiment of the utility model shown in Figure 1, does not comprise the required level crossing assembly of demonstration reflection of light law that Fig. 1 comprises among the figure, and has comprised the required refractive optical board of law of refraction of demonstration light.
Fig. 3 is the structural representation of Fig. 1 midplane mirror assembly.
Fig. 4 is the structural representation of refractive optical board among Fig. 1.
Fig. 5 is the structural representation of candle holder among Fig. 1.
Fig. 6 is the broken section structural representation of candle holder in another embodiment of the utility model.
Fig. 7 is the structural representation of magnetic adsorption type candle holding seat among Fig. 1.
Fig. 8 is the structural representation of magnetic adsorption type candle holding seat in another embodiment of the utility model.
Embodiment
Embodiment 1:
Illustrated in figures 1 and 2 is a kind of embodiment of the present utility model.It comprises LASER Light Source 5, level crossing 11, and the first light path plate 1, the second light path plate 2, refractive optical board 10, transparent panel 3,7,2 candle holding seats 8 of candle holder and 3 bearings 9.LASER Light Source 5 is magnetic adsorption types; With bonding agent level crossing 11 is fixed on formation level crossing assembly 6 on the microscope base 12, as shown in Figure 3, wherein microscope base 12 is provided with two holes, and the relevant position also is provided with the hole on the second light path plate 2, so that can level crossing assembly 6 be installed on the second light path plate 2 with screw; The first light path plate 1, the second light path plate 2 are all selected rectangle transparent plexiglass plate material for use, handle through frosted in the front, it is smooth that the back side keeps, and from top to bottom measure the hornwork scale from vertically painting seal 0~90 to horizontal direction in its front, 2 90 degree arc iron sheet 4 usefulness bonding agents are fixed in protractor scale outer to the heart, and be connected with two hinge hinges with the 0 degree axis place, left side of the second light path plate 2 in the right side of the first light path plate 1, the 0 degree line and the center of circle of the first light path plate 1 and the second light path plate 2 are overlapped, thereby form left-right symmetric; Refractive optical board 10 is selected thick rectangle transparent plexiglass plate material for use, handle through frosted at the back side, positive maintenance is smooth, as Fig. 4, from bottom to top measure the hornwork scale at its back side from vertically painting seal 0~90 to horizontal direction, also be provided with two holes on it, the relevant position also is provided with the hole on the second light path plate 2, so that can it be installed on the second light path plate 2 with screw; Transparent panel 3 is selected rectangle transparent plexiglass plate material for use, and its left side and the right side of the second light path plate 2 are with two hinge hinges.Among Fig. 1, level crossing assembly 6 usefulness screws are installed on the second light path plate 2, an end is fixed, and the other end extends to the first light path plate, 1 place, and wherein the minute surface of level crossing 11 overlaps with an angle of 90 degrees degree line that light path plate subscript is established, to adapt to the needs of demonstration reflection of light law.Among Fig. 2, refractive optical board 10 usefulness screws are installed on the second light path plate 2, one side is fixed, opposite side extends to the first light path plate, 1 place, wherein the refractive optical board 10 subscripts an angle of 90 degrees degree line and the center of circle of establishing overlaps with an angle of 90 degrees degree line and the center of circle that the second light path plate, 2 subscripts are established, to adapt to the needs of the law of refraction of demonstrating light.Candle holder 7 adopts irony section bar (14), and upper surface is pasted the plastic foil (13) that mark is established scale, and 0 scale mark is placed in the middle, as shown in Figure 5.Candle holding seat 8 is magnetic adsorption types, is made of the magnet ring 19 of inserting candle tube 18 and overcoat, as shown in Figure 7.
Embodiment 2:
Candle holder 7 is by two isometric shortages 17, respectively will be with bonding agent with the left side iron sheet 15 and right side iron sheet 16 surfaces fixed thereon of scale, then be formed by connecting with the hinge hinge, as shown in Figure 6, wherein left side iron sheet 15 and right side iron sheet 16 are painted the stamp degree by hinge one end is installed to the other end, after the connection of hinge hinge, 0 scale mark of left side iron sheet 15 and right side iron sheet 16 overlaps.Candle holding seat 8 also is a magnetic adsorption type, constitutes by inserting candle tube 18 and built-in magnet ring 20, as shown in Figure 8.Except that candle holder 7 and candle holding seat 8, the structure of present embodiment is identical with embodiment 1.

Claims (5)

1. the refraction and the mirror imaging combined demonstrater of reflection of light and light, comprise LASER Light Source (5), level crossing (11), it is characterized in that, also comprise the first light path plate (1), the second light path plate (2), refractive optical board (10), transparent panel (3), candle holder (7), 2 candle holding seats (8) and 3 bearings (9); Described LASER Light Source (5) is a magnetic adsorption type; Described level crossing (11) is fixed on microscope base (12) and goes up formation level crossing assembly (6); The described first light path plate (1), the second light path plate (2) are all selected the smooth rectangle clear sheet in the positive coarse back side for use, from top to bottom measure the hornwork scale in its front from vertically being provided with 0~90 to the horizontal direction mark, lay 90 degree arc iron sheets (4) respectively, and be connected with the left side 0 degree axis place hinge of the second light path plate (2) in the right side of the first light path plate (1), on the first light path plate (1) and the second light path plate (2) the 0 degree line and the center of circle are overlapped, thereby form left-right symmetric; Described refractive optical board (10) is selected the smooth rectangle clear sheet in coarse front, the back side for use, from bottom to top measures the hornwork scale from vertically being provided with 0~90 to the horizontal direction mark at its back side; The left side of described transparent panel (3) is connected with the right side hinge of the second light path plate (2); Be demonstration reflection of light law, described level crossing assembly (6) can be installed on the first light path plate (1) or the second light path plate (2), one end is fixed, the other end extends to another light path plate place, wherein level crossing (11) minute surface overlaps with an angle of 90 degrees degree line that light path plate subscript is established, perhaps for demonstrating the law of refraction of light, can for described refractive optical board (10) is installed on the first light path plate (1) or the second light path plate (2), one side is fixed, opposite side extends to another light path plate place, and wherein refractive optical board (10) the subscript an angle of 90 degrees degree line and the center of circle of establishing overlaps with an angle of 90 degrees degree line and the center of circle that the first light path plate (1) or second light path plate (2) subscript are established.
2. the refraction of reflection of light according to claim 1 and light and mirror imaging combined demonstrater, it is characterized in that, the described first light path plate (1) and the second light path plate (2) can be positive rectangle transparent plexiglass plates through frosted, also can be positive other rectangle transparent plastic sheets through frosted.
3. the refraction of reflection of light according to claim 1 and light and mirror imaging combined demonstrater, it is characterized in that, described refractive optical board (10) can be the rectangle transparent plexiglass plate of the back side through frosted, also can be the back side other rectangle clear sheet through frosted.
4. the refraction of reflection of light according to claim 1 and light and mirror imaging combined demonstrater, it is characterized in that, described candle holder (7) can adopt the irony section bar (14) of upper surface band scale, also can be the sheet material of iron sheet that upper surface is provided with the band scale, can also be formed by connecting by sheet material (17) hinge that two upper surfaces are provided with the iron sheet of band scale.
5. the refraction of reflection of light according to claim 1 and light and mirror imaging combined demonstrater is characterized in that, described candle holding seat (8) is a magnetic adsorption type.
CN 200420037201 2004-06-29 2004-06-29 Optical reflection and optical refraction and plane mirror imaging combined demonstrator Expired - Fee Related CN2738340Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101976527A (en) * 2010-10-30 2011-02-16 种振 Light reflection demonstrator
CN104167142A (en) * 2013-05-18 2014-11-26 王廷杰 Multifunctional optical experiment instrument
CN106023754A (en) * 2016-07-30 2016-10-12 董亚伦 Refraction teaching demonstration device of light
CN108172087A (en) * 2018-03-29 2018-06-15 范科晨 A kind of Physical Experiment optical teaching aid
CN108682250A (en) * 2018-08-02 2018-10-19 周万夫 Convex lens light supply apparatus
CN109272840A (en) * 2018-12-05 2019-01-25 怀化学院 Experiments of Optics demonstrator
CN110873700A (en) * 2018-08-30 2020-03-10 张怡宁 Simple method for measuring refractive indexes of colloid, solid and liquid

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101976527A (en) * 2010-10-30 2011-02-16 种振 Light reflection demonstrator
CN104167142A (en) * 2013-05-18 2014-11-26 王廷杰 Multifunctional optical experiment instrument
CN106023754A (en) * 2016-07-30 2016-10-12 董亚伦 Refraction teaching demonstration device of light
CN106023754B (en) * 2016-07-30 2019-03-15 董亚伦 The refraction teaching demonstration device of light
CN108172087A (en) * 2018-03-29 2018-06-15 范科晨 A kind of Physical Experiment optical teaching aid
CN108682250A (en) * 2018-08-02 2018-10-19 周万夫 Convex lens light supply apparatus
CN110873700A (en) * 2018-08-30 2020-03-10 张怡宁 Simple method for measuring refractive indexes of colloid, solid and liquid
CN109272840A (en) * 2018-12-05 2019-01-25 怀化学院 Experiments of Optics demonstrator
CN109272840B (en) * 2018-12-05 2021-01-05 怀化学院 Optical experiment demonstration instrument

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