CN2070936U - Optical experiment demonstrator - Google Patents
Optical experiment demonstrator Download PDFInfo
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- CN2070936U CN2070936U CN 90215291 CN90215291U CN2070936U CN 2070936 U CN2070936 U CN 2070936U CN 90215291 CN90215291 CN 90215291 CN 90215291 U CN90215291 U CN 90215291U CN 2070936 U CN2070936 U CN 2070936U
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- screen
- photomask
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Abstract
The utility model relates to an optical experiment demonstrator, belonging to teaching appliances. The utility model provides an idea experiment education appliance for physics teaching in middle schools. The optical experiment demonstrator can conveniently and clearly demonstrate convergence, divergence, reflection, refraction and imaging phenomena to light of spherical mirrors, lenses, plane mirrors or two transparent materials. The utility model can simultaneously demonstrate phenomena of many kinds of light to compare and can demonstrate dynamically. The optical experiment demonstrator is characterized in that the box of the optical experiment demonstrator is provided with two screens; a lightproof membrane is arranged near the inner surface of the screens; the lightproof membrane is provided with projection holes corresponding to the position of each group of bulb holders on the corresponding circuit board which is fixed in the box; a switch is arranged on the box; the bulb holders are arranged on the circuit board; a light separating plate is arranged between each two groups of bulb holders.
Description
The Experiments of Optics demonstration device is a kind of teaching appliance.
The teaching of opticator in the physics textbook of middle school, the general rudimental knowledge that only relates to light, the student depends on intuitively optical phenomena to a great extent to the understanding of the notion of light, rule but does not still have a kind of inexpensive desirable middle school teaching experimental demonstration device that can make things convenient for, clearly demonstrate multiple optical phenomena at present.
The purpose of this utility model is: a kind of Experiments of Optics demonstration device is provided, low price, can be convenient, clearly demonstrate multiple optical phenomena, be applicable to middle school physical optics teaching and experimental demonstration, in order to the object teaching of optical phenomena, improve teaching efficiency.
Embodiment of the present utility model is: the Experiments of Optics demonstration device is by casing, photomask, circuit board, constitute every tabula rasa, lamp socket, bulb, switch and transformer.Casing constitutes six rectangular parallelepipeds by P screen N screen, casing top panel, casing lower panel, left and right sides box side.Circuit board is fixed in the casing, lighttightly is vertically fixed on the circuit board every tabula rasa, and lamp socket is contained on the circuit board, lamp socket is divided into some groups, and every group of lamp socket is with its switch series connection, and bulb is contained in the lamp socket, each is organized has lighttightly every tabula rasa between the lamp socket, guarantee respectively to organize between the light and be independent of each other.Photomask is positioned at casing near the screen inside surface, be fixed in the casing, or directly be coated with, be attached to the screen inside surface, all have on the photomask of P screen and N screen with the corresponding circuits plate on every group of corresponding projection hole of lamp holder position, to guarantee on the circuit board that the bulb light on every group of lamp socket can project on the screen by corresponding projection hole, photomask, the casing top panel, lower panel, left and right sides box side is manufactured with light-proof material, screen is manufactured with trnaslucent materials, and the static and dynamic demonstration switch of P screen is housed on the casing top panel, the handle transfer switch, the N screen reflection, refraction demonstration switch and spherical mirror, 220 volts of electricity of lens demonstration switch convert low pressure input demonstration device to through transformer.
The N offscreen surface is decorated with source of parallel light pattern, concave mirror pattern, normal, convex lens pattern, concavees lens pattern, two kinds of transparency material boundary expression lines, convex mirror pattern or puts the model identical with pattern in the position of above-mentioned pattern, and semi-transparent film is partly arranged beyond the incident light district of N screen inside surface and N screen photomask convex mirror divergent rays projection hole correspondence position.Part has semi-transparent film beyond the converging light district of N screen inside surface and N screen photomask concave mirror converging ray projection hole correspondence position.Every tabula rasa and circuit board is white.The photomask of plate system is fixed on casing top panel, lower panel or the box side, and the photomask that light tight film is made is attached to the screen inside surface, and the photomask of light tight coating system directly is coated in the screen inside surface.
Further specify below in conjunction with drawings and Examples:
Fig. 1: Experiments of Optics demonstration device diagrammatic sketch,
The A-A cut-open view of Fig. 2: Fig. 1,
Fig. 3: P screen photomask diagrammatic sketch,
Fig. 4: P screen illustrative circuitry plate diagrammatic sketch,
Fig. 5: P screen illustrative circuitry figure,
Fig. 6: N screen photomask diagrammatic sketch,
Fig. 7: N screen illustrative circuitry plate diagrammatic sketch,
Fig. 8: N screen reflection refraction illustrative circuitry figure,
Fig. 9: N screen concave mirror illustrative circuitry figure,
Figure 10: N screen convex mirror illustrative circuitry figure;
Figure 11: N screen convex lens illustrative circuitry figure,
Figure 12: N screen concavees lens illustrative circuitry figure,
Figure 13: N offscreen surface pattern diagrammatic sketch,
Figure 14: the semi-transparent film diagrammatic sketch of N screen inside surface,
Figure 15: P screen dynamic demonstration switch diagrammatic sketch,
Figure 16: N screen reflection, refraction demonstration switch diagrammatic sketch,
Figure 17: the transfer switch diagrammatic sketch,
Figure 18: convex lens model diagrammatic sketch,
Figure 19: level crossing model diagrammatic sketch,
Figure 20: convex lens main axis diagrammatic sketch.
Among the figure: 1, the static demonstration of P screen switch, 2, P screen dynamic demonstration switch, 3, the casing top panel, 3a, the casing lower panel, 4, handle, 5, transfer switch, 6, the N screen reflection, refraction demonstration switch, 7, spherical mirror, lens demonstration switch, 8, box side, 9, the P screen, 10, convex lens main axis point of fixity, 11, level crossing model hitch point, 12, convex lens model hitch point, 13, P screen photomask, 14, P screen illustrative circuitry plate, 15, every tabula rasa, 16, N screen illustrative circuitry plate, 17, N screen photomask, 18, the N screen, 19, bulb, 20,21,22,23,24,25,26, demonstrate upright object light projection hole, 20a, 21a, 22a, 23a, 24a, 25a, 26a, with the upright object light projection hole 20 of demonstration, 21,22,23,24,25,26 not corresponding convex lens imaging holes, 25b, the mirror imaging hole corresponding with the upright object light projection hole of demonstration 25, (virtual image), 26b, the mirror imaging hole (virtual image) corresponding with the upright object light projection hole of demonstration 26,27, flat mirror reflects light path projection hole, 28, lamp socket, 29, power light, 30, transformer, 31, attaching plug, 32, concave mirror converging ray projection hole, 33,34, the incident ray projection hole, 35, incident, the reflection ray projection hole, 33a, reflection ray projection hole corresponding or the refracted ray projection hole corresponding with incident ray projection hole 36 with incident ray projection hole 33,34a, the reflection ray projection hole corresponding with incident ray projection hole 34,33b, 34b, 35b, with incident ray projection hole 33,34,35 corresponding respectively refracted ray projection hole, 36, the incident ray projection hole corresponding with refracted ray projection hole 33a, 37, demonstration object light projection hole, 37a, the imaging hole corresponding with demonstration object light projection hole 37,38, convex mirror divergent rays projection hole, 39, convex lens converging ray projection hole, 40, concavees lens divergent rays projection hole, 41, lamp socket, 42, the source of parallel light pattern, 43, the concave mirror pattern, 44, normal, 45, the convex lens pattern, 46, the concavees lens pattern, 47, two kinds of transparency material boundary expression lines, 48, the convex mirror pattern, 49, level crossing model point of fixity on the box side 8,50,51, semitransparent thin film, 52, suppending hole, 53, suppending hole, 54, fixed orifice.
Embodiment:
Experiments of Optics demonstration device (seeing Fig. 1, Fig. 2) is by casing, photomask, circuit board, form every tabula rasa, lamp socket, bulb, switch and transformer.Casing is connected and is formed by P screen 9, N screen 18, casing top panel 3, casing lower panel 3a, left and right sides box side 8.The static demonstration of P screen switch 1, P screen dynamic demonstration switch 2, handle 4, transfer switch 5, N screen reflection, refraction demonstration switch 6, spherical mirror, lens demonstration switch 7 are housed on the casing top panel 3.Casing top panel 3, casing lower panel 3a and left and right sides box side 8 are all manufactured with light-proof material, and screen is manufactured with frosted glass or translucent plastic.N offscreen surface (seeing Figure 13) is decorated with source of parallel light pattern 42, concave mirror pattern 43, normal 44, convex lens 45, concavees lens pattern 46, two kind of transparency material boundary expression line 47, convex mirror pattern 48, N screen inside surface (seeing Figure 14) has semitransparent thin film 50,51, the drawn also available model identical with pattern of pattern of N offscreen surface is placed on the relevant position, is convenient to when not required take off.
Photomask light tight film of 13,17 usefulness or plate are manufactured, and plate system photomask is fixed on the casing, and film system photomask is attached to the screen inside surface, or directly coats the opaque paint layer at the screen inside surface.Demonstration object light projection hole 20,21,22,23,24,25,26 is arranged on photomask 13 (see figure 3)s of P screen, flat mirror reflects light path projection hole 27, convex lens imaging hole 20a, 21a, 22a, 23a, 24a, 25a, the 26a not corresponding with demonstration object light projection hole 20,21,22,23,24,25,26, the mirror imaging hole 25b corresponding, corresponding mirror imaging hole 26b with demonstrating object light projection hole 26 with demonstration object light projection hole 25.On photomask 17 (see figure 6)s of N screen concave mirror converging ray projection hole 32 is arranged, incident ray projection hole 33,34, incident, reflection ray projection hole 35, reflection ray projection hole corresponding or the refracted ray projection hole 33a corresponding with incident ray projection hole 36 with incident ray projection hole 33, the reflection ray projection hole 34a corresponding with incident ray projection hole 34, with incident ray projection hole 32,34,35 corresponding respectively refracted ray projection hole 33b, 34b, 35b, the incident ray projection hole 36 corresponding with refracted ray projection hole 33a, demonstration object light projection hole 37, the imaging hole 37a corresponding with demonstration object light projection hole 37, convex mirror divergent rays projection hole 38, convex lens converging ray projection hole 39, concavees lens divergent rays projection hole 40.The size in hole, shape, number can be demonstrated needs according to Experiments of Optics and change on the photomask 13,17.The pitch of holes coca is decided according to the rule of different minute surfaces and light.
On the P screen illustrative circuitry plate 14 lamp socket 28 (see figure 4)s are arranged, lamp socket is divided into some groups, every group of lamp socket is more than 4, the position of every group of lamp socket is corresponding one by one with projection hole or imaging hole difference on the P screen photomask 13, the light that guarantees bulb just in time projects on the P screen by the hole of correspondence, each is organized has lighttightly every tabula rasa 15 between lamp socket, make and respectively organize the light that bulb sends out and be independent of each other.
On the N screen illustrative circuitry plate 16 lamp socket 41 (see figure 7)s are arranged, lamp socket is divided into some groups, every group of lamp socket is more than 4, the position of every group of lamp socket is corresponding one by one with projection hole or imaging hole on the N screen photomask 17, the light that guarantees bulb just in time projects on the N screen by the hole of correspondence, each is organized has lighttightly every tabula rasa 15 between lamp socket, make and respectively organize the light that bulb sends out and be independent of each other.
Circuit board 14,16 and every tabula rasa 15 manufacture for the light-proof material of white or the circuit board of coloured light-proof material and on tabula rasa the coated white coating.Be vertically fixed on (see figure 2) on circuit board 14 and 16 every tabula rasa 15.
Lamp socket is contained on the circuit board by the position of lamp socket 41 on lamp socket on Fig. 4 28 and Fig. 7, bulb is contained in the lamp socket, every group of 4 above bulbs are with its switch series connection, P screen illustrative circuitry connection method is seen Fig. 6, N screen illustrative circuitry connection method is seen Fig. 8, Fig. 9, Figure 10 Figure 11, Figure 12,220 volts of power supplys are transformed into low pressure input demonstration device through transformer 30, and the voltage of every bulb is 2.5 volts.
When transfer switch was in the position of T, the static demonstration of P screen switch 1 was by K
1K
2, K
3, K
4, K
5, K
6, K
7Seven keyswitches are formed (see Fig. 1, Fig. 5), and P screen dynamic demonstration switch 2 is double-pole 9 bit switches (seeing Fig. 1, Fig. 5, Figure 15), after double-pole 9 bit switches 2 push the position of ON, presses K again
1To K
7In any button, by to that button, the bulb group of series connection with it is just bright; As with K
1To K
7In any two or more buttons just bright by last bulb group of then connect with this keyswitch, then luminous successively one by one as if double-pole 9 bit switches 2 are pushed 7 position successively continuously from 1 with the bulb group that double-pole 9 bit switches 2 are connected respectively, dynamic demonstration; When power supply changed the position of switch virgin B, 6,7 positions of double-pole 9 bit switches 2 were mirror imaging position of the switch, and 8 positions on double-pole 9 bit switches 2 are flat mirror reflects light path switch positions.
N screen reflection, refraction demonstration switch 6 (seeing Fig. 1, Fig. 8, Figure 16) are three cuttves, 9 bit switches, I, II among the figure, III and corresponding the 1,2, the 3rd, the flat mirror reflects demonstration position of the switch, I ', II ', III ', IV and corresponding 1 ', 2 ', 3 ', the 1st, light is through the transparency material refraction demonstration position of the switch of two kinds of different densities, IV and corresponding 1, V are the transparency material dioptric imaging demonstration position of the switch of object light through two kinds of different densities, and OF is the power supply open position.
Suppending hole 52 (seeing Figure 18) is arranged on the convex lens model, during demonstration, for sense directly perceived is arranged, the suppending hole 52 of convex lens model is hung on the convex lens model hitch point 12 of demonstration device casing top panel 3, the time spent does not take off.
Suppending hole 53 and fixed orifice 54 (seeing Figure 19) are arranged on the level crossing model, during demonstration, for sense directly perceived is arranged, the one, the suppending hole 53 of level crossing model is hung on the level crossing model hitch point 11 of demonstration device casing top panel 8, the time spent does not take off; The 2nd, on the level crossing model point of fixity 49 that the suppending hole 53 and the fixed orifice 54 of level crossing model is separately fixed at demonstration device N screen left and right sides box side 8 (seeing Figure 13), the time spent does not take off.
Convex lens main axis (seeing Figure 20) more slightly has colo(u)r streak to manufacture with one, the position of O on line, F, 2F is installed with pearl, when expression convex lens center, focus, 2 times of focal lengths demonstrations the two ends of line are fixed on (see figure 1) on the convex lens main axis point of fixity 10 of demonstration device left side stone box side 8, the time spent does not take off.
Claims (4)
1, the Experiments of Optics demonstration device, it is characterized in that: by casing, photomask, circuit board, every tabula rasa, lamp socket, bulb, switch and transformer constitute, casing is admired by the P screen, N screen casing top panel, the casing lower panel, left and right sides box side constitutes six rectangular parallelepipeds, circuit board is fixed in the casing, be vertically fixed on the circuit board every tabula rasa, lamp socket is contained on the circuit board, lamp socket is divided into some groups, every group of lamp socket is with its switch series connection, bulb is contained in the lamp socket, each organize have between the lamp socket lighttight every tabula rasa, photomask is positioned at casing near the screen inside surface, be fixed in the casing or directly be coated with, be attached to the screen inside surface, all have on the photomask of P screen and N screen with the corresponding circuits plate on every group of corresponding projection hole of lamp holder position, photomask, the casing top panel, lower panel, left and right sides box side is manufactured with light-proof material, screen is manufactured with trnaslucent materials, and the static and dynamic demonstration switch of P screen is housed on the casing top panel, handle, transfer switch, the N screen reflection, refraction demonstration switch and spherical mirror, lens demonstration switch.
2, according to the described demonstration device of claim 1, it is characterized in that: the N offscreen surface is decorated with source of parallel light pattern, concave mirror pattern, normal, convex lens pattern, two kinds of transparency material boundary of concavees lens pattern expression line, convex mirror pattern, or puts the model identical with pattern in the corresponding positions of above-mentioned pattern.Part has semi-transparent film beyond the incident light district of N screen inside surface and N screen photomask convex mirror divergent rays projection hole correspondence position, and part has semi-transparent film beyond the converging light district of N screen inside surface and N screen photomask concave mirror converging ray projection hole correspondence position.
3, according to the described demonstration device of claim 1, it is characterized in that: the photomask of plate system is fixed on casing top panel, lower panel or the box side, the photomask that light tight film is made is attached to the screen inside surface, and the film of light tight coating system directly is coated in the screen inside surface.
4, according to the described demonstration device of claim 1, it is characterized in that: be white every tabula rasa and circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90215291 CN2070936U (en) | 1990-09-04 | 1990-09-04 | Optical experiment demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90215291 CN2070936U (en) | 1990-09-04 | 1990-09-04 | Optical experiment demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2070936U true CN2070936U (en) | 1991-02-06 |
Family
ID=4894594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90215291 Withdrawn CN2070936U (en) | 1990-09-04 | 1990-09-04 | Optical experiment demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2070936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930761A (en) * | 2012-11-07 | 2013-02-13 | 上海理工大学 | Flash synchronization demonstration system and demonstration method of complex network |
| CN104916198A (en) * | 2015-06-25 | 2015-09-16 | 陕西师范大学 | Self-focusing lens light-concentrating principle simulation demonstration device and experimental method |
-
1990
- 1990-09-04 CN CN 90215291 patent/CN2070936U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930761A (en) * | 2012-11-07 | 2013-02-13 | 上海理工大学 | Flash synchronization demonstration system and demonstration method of complex network |
| CN104916198A (en) * | 2015-06-25 | 2015-09-16 | 陕西师范大学 | Self-focusing lens light-concentrating principle simulation demonstration device and experimental method |
| CN104916198B (en) * | 2015-06-25 | 2017-05-17 | 陕西师范大学 | Self-focusing lens light-concentrating principle simulation demonstration device and experimental method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |