CN2434750Y - Multifunctional optical tester - Google Patents

Abstract

The utility model relates to a multifunctional optical tester which belongs to the teaching appliances of physical optics experiments in middle schools. The multifunctional optical tester comprises a light source, a rotatable handle, an optical disk, a bracket, and an optical element case, wherein, the light source is composed of three laser diodes, a light source box is installed at the plug position of the rotatable handle through jacks, the upper part of the optical disk is provided with an outer circular graduated disk and an inner circular graduated disk, the coupling part of the optical disk and a shaft of the rotatable handle is provided with an annular magnet for adsorbing magnetic disks, and the bracket comprises a pedestal and a vertical shaft that is installed on the pedestal. The utility model has the advantages of simple structure, high visualization, convenient operation, low cost, and capability of experimentally demonstrating the reflection law and the refraction law of light, the phenomenon of interference and diffraction of physical optics, etc.

Description

The multifunctional optical experiment instrument

The utility model belongs to Experiments of Optics instruments used for education in the physics subject of middle school.

The existing optical instrument in middle school physical experiment chamber has three kinds: 1. optical disk (sixties with), the 2. helium-neon laser (now superseded) produced of the Xin Chuan of Sichuan Province Educational Instrument Factory, 3. J2501-1 (G-GP-FC-2) optical disk produced of optical instrument factory, Taizhou, Zhejiang.These three kinds of optics instrument all belong to demonstration instrument, are not suitable for student experimenting.First kind of optical disk adopts sunshine to do light source, and the incident direction of light must be controlled with flat mirror reflects, and is not easy to operate, is subjected to the time conditions restriction very big, does light source with spot light lamp bulb, and cannot see light at education experiment daytime.The optical disk that optical instrument factory, Taizhou, Zhejiang produces, what light source adopted is spot light lamp bulb, can only test in the darkroom.These three kinds of instrument experiments are subjected to the big teacher's majority of condition restriction to be reluctant that usefulness, these instruments are that shelve in the laboratory.Rural middle school particularly is badly in need of a kind of optical instrument of suitable rural middle school condition.

The purpose of this utility model provides a kind of multifunctional experimental instrument, has adopted new light source technology, is combined by three laser diodes, and is easy to assembly, and it is convenient to change.Daytime is high-visible at education experiment light, and can produce 1-3 bar light; Light source adopts the incident direction of turning handle technology to change arbitrarily in 360 ° of scopes; CD adopts plastic disc and light source turning handle freely to rotate on surface level around vertical axes with disk, and this experimental apparatus can be used for student experimenting or teacher's experimental demonstration.

Outstanding advantage of the present utility model: simple in structure, intuitive is strong, and is easy to use, and cost is low; Usable range comprises: but the 1. reflection of the reflection law in the experimental demonstration reflection of light, direct reflection, diffuse reflection, concave mirror reflection and convex mirror etc.; But the 2. refraction and the total reflection of the refraction of the refraction law of hitting in vain of experimental demonstration light, water and refractive index, prism, glass block, semicircle glass block, the dispersing and convergence etc. of concave-convex lens; 3. also can demonstrate physioptial interference and diffraction phenomena etc.

The utility model comprises that mainly light source, turning handle, CD, support and optical element case constitute.

The utility model is described with reference to the accompanying drawings as follows:

Fig. 1 is the experiment instrument overall schematic; Fig. 2 is the CD front elevation; Fig. 3 is the CD side view; Fig. 4 is the turning handle front elevation; Fig. 5 is the turning handle side view; Fig. 6 is the turning handle rear view; Fig. 7 is the light source box synoptic diagram; Fig. 8 is a circuit diagram.

As shown in the figure, the 1st, CD, the 2nd, turning handle, the 3rd, light source, the 4th, vertical axes, the 5th, base, the 6th, normal laser head, the 7th, interior scale, the 8th, interface, the 9th, EXT scale, the 10th, absorption disk, the 11st, turning handle axle, the 12nd, magnet, the 13rd, vertical axle sleeve, the 14th, turning handle axle sleeve, the 15th, light source plug, the 16th, bone beam, the 17th, optical screen plug, the 18th, circuit, the 19th, switch, the 20th, power pack, the 21st, glass bar, the 22nd, light source box jack, the 23rd, light source line latch plate.

The Lights section: form by light source box, light source, Circular glass rod.Be provided with three light source sockets in the light source box, light source is made up of three laser diodes, and laser diode directly inserts socket; The light source box bottom is provided with jack, and light source box is contained in the plug place of turning handle by jack.

The turning handle part: test used circuit, power supply, light source and all be contained on the turning handle, turning handle is contained on the transverse axis.Turning handle is a fusiformis, one end is the light source box plug, the other end is the optical screen plug, the centre is the turning handle axle sleeve, the bone beam is housed on the turning handle plane, also is provided with power pack, circuit, three toggle switches on the turning handle, being connected of light source and circuit, adopt the mortise lock formula, so light source box and laser head can change easily all.

The CD part: cd centre partly is provided with the absorption disk, and CD is provided with cylindrical and two index dials of interior circle, and transverse axis that rotates for turning handle and the vertical axle sleeve that rotates for CD are housed on the CD.

CD is a disk, and the CD front is an angle scale, a bull nose scale and filleted corner scale.Vertically diameter is a normal, and the normal two ends are 0 °, and horizontal diameter is the interface, and the two ends, interface are designated as 90 °, inside and outside circle scale correspondence.The thick axle of turning handle is being fixed at the back side of CD; The thick axle of turning handle is provided with the CD turning set, and thick axle of turning handle and CD joint are equipped with ring-shaped magnet (absorption disk).

The optical element case: optical element has level crossing, curved mirror, convex mirror, concave mirror, water tank, prism, glass block, semicircle glass block, total reflection prism, convex lens, concavees lens, double slit, single seam, grating, optical screen ...

Support: comprise base and vertical axes, vertical axes is loaded on the base.

Light source box of the present utility model, turning handle, CD, power pack are the plastic plate goods, and light source adopts the laser diode in the laser pen, and the absorption disk adopts ring-shaped magnet, and componentry: water tank organic plates system, water tank opposite is equipped with adsorpting iron plate.All the other elements are finished product basically, and bracket base and vertical axes are ironworks, are three joint No.5 cells by power supply.Cost accounting 30-50 unit/part.

The utility model is applicable to the content of the opticator in the secondary and high school physics teaching, particularly rural middle school, is badly in need of experimental apparatus, so this experiment instrument market and market have a extensive future.

Application Example 1

With this novel experiment instrument research reflection of light law (direct reflection and diffuse reflection), level crossing is placed on the absorption disk, minute surface overlaps with the disc level diameter, allow incident ray incide the intersection point place (center of circle) of normal and minute surface along certain angle, promptly get reflection ray, change incident angle, reflection angle changes thereupon.Just can sum up the reflection of light law by experiment.

Application Example 2

Refraction law with this novel experiment instrument research light, and ask the refractive index of water, water tank is placed on the absorption disk, allow the water surface overlap with the disc level diameter, allow incident ray enter in the water along intersection point place (center of circle) light that a certain angle incides the normal and the water surface, the direction of propagation changes, and promptly obtains refraction effect, and the readable refraction angle that goes out in airborne incident angle and the water.Change incident angle, the refraction angle changes thereupon.Can obtain the refractive index of water by incident angle i and refraction angle r. $n=\frac{\sin i}{\sin r}=\frac{\sin {40}^o}{\sin {30}^o}=1.3$

Application Example 3

The semicircle glass block is placed on the absorption disk, and semicircle glass block plane (diametral plane) overlaps with horizontal diameter, allows incident ray along a certain angle incident, can observe and study: the 1. direction of propagation of reflection ray and refracted ray; 2. reflection ray and refracted ray situation about changing with incident angle; 3. total reflection situation and critical angle.

Claims (2)

1. a multifunctional optical experiment instrument is characterized in that it mainly comprises light source, turning handle, CD, support and light

Learning the element case constitutes;

Said the Lights section is made up of light source box, light source, Circular glass rod, be provided with three light source sockets in the light source box, light source is made up of three laser diodes, and laser diode directly inserts socket, the light source box bottom is provided with jack, and light source box is contained in the plug place of turning handle by jack;

The used circuit of experiment, power supply, light source are housed on the said turning handle, and turning handle is contained on the transverse axis; Turning handle is a fusiformis, and an end is the light source box plug, and the other end is the optical screen plug, the centre is the turning handle axle sleeve, and the bone beam is housed on the turning handle plane, also is provided with power pack, circuit, three toggle switches on the turning handle, being connected of light source and circuit, adopt the mortise lock formula, light source box and laser head all can change easily;

Said cd centre partly is provided with the absorption disk, the CD front is an angle scale, CD is provided with cylindrical and two index dials of interior circle, transverse axis that rotates for turning handle and the vertical axle sleeve that rotates for CD are housed on the CD, vertically diameter is a normal, and the normal two ends are 0 °, and horizontal diameter is the interface, the two ends, interface are designated as 90 °, inside and outside circle scale correspondence; The thick axle of turning handle is being fixed at the back side of CD; The thick axle of turning handle is provided with the CD turning set, and thick axle of turning handle and CD joint are equipped with ring-shaped magnet absorption disk;

Said optical element case is the Experiments of Optics elements;

Said support is to comprise base and vertical axes, and vertical axes is loaded on the base.

2. according to the said multifunctional optical experiment instrument of claim 1, it is characterized in that said Experiments of Optics element comprises level crossing, curved mirror, convex mirror, concave mirror, water tank, prism, glass block, semicircle glass block, total reflection prism, convex lens, concavees lens, double slit, single seam, grating or optical screen.

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