CN103187000B - Universal projector for teaching experiments - Google Patents
Universal projector for teaching experiments Download PDFInfo
- Publication number
- CN103187000B CN103187000B CN201110462343.6A CN201110462343A CN103187000B CN 103187000 B CN103187000 B CN 103187000B CN 201110462343 A CN201110462343 A CN 201110462343A CN 103187000 B CN103187000 B CN 103187000B
- Authority
- CN
- China
- Prior art keywords
- projector
- light
- screw thread
- mirror
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The invention relates to a teaching instrument, in particular relates to a universal projector for teaching experiments and is used for solving the problem that resource is seriously wasted after the existing projector is replaced by other multimedia. Eleven optical experiment functions are added besides the functions of the original projector. The universal projector for teaching experiments is used for demonstrating many optical experiments in primary school science and middle school physics and comprises a projector box, a lens lifting rod and a projection reflective mirror, wherein a screw condensing lens above the projector box is designed to be a lift type, and switching between parallel light and condensed light is realized by virtue of lifting of the screw condensing lens; and an optical path board and various optical tools are matched. Composition of light, a propagation route of the light and functions of various optical tools can be demonstrated, and micro projection can be carried out; The universal projector for teaching experiments is multipurpose and has strong functionality and interestingness; as the light of the projector is extremely strong and an automatic light shielding plate assembly is arranged in the projector box, the demonstration effect is visual, vivid and interesting.Thus, the existing optical instrument can not catch up the universal projector for teaching experiments, and the universal projector for teaching experiments has good popularization value and use value.
Description
Technical field
Patent of the present invention relates to a kind of instruments used for education, is specially a kind of education experiment Universal projector.
Background technology
Electronic teaching is one of teaching development direction, and projector carries out academic discuss, classroom instruction aspect is applied also commonplace in universities or the good middle and primary schools of condition in use at present, and projector is the most widely used educational technology equipment of Classroom Teaching with Multi-Medium.But along with carrying out of long-distance education, multimedia universal, original projector goes out of use gradually, rough calculation, according to every platform 800 yuan calculating, this batch of frequency in the whole nation faces superseded resource value more than 30,000,000,000, causes the very large wasting of resources.How to integrate and utilize these discarded audio-visual education programme equipment to become problem demanding prompt solution.
Summary of the invention
Patent of the present invention, in order to after solving existing projector and being substituted by other multimedia, causes the problem of very large resource waste, provides a kind of education experiment Universal projector.
Patent of the present invention adopts following technical scheme to realize: education experiment Universal projector, comprise projector casing, be placed in the light source in projector casing, reflector, radiator fan, power supply module and be fixed on the camera lens elevating lever of projector casing side, camera lens elevating lever is connected with the platform of projection reflective mirror and device projection lens, prism, microlens.
The innovative point of patent of the present invention is:
(1), the screw thread condenser that changes former projector fixing is lift screw thread condenser, and rise focus and shift to above light source, the light penetrated above is optically focused, and platform fills projection lens, still can carry out Conventional projection,
(2) screw thread condenser, is fallen, focus overlaps with pointolite, the light penetrated above switches to directional light, the free cheek mirror (becoming 45 degree with stripping formula grating) designed on screw thread mirror cover plate coordinates with stripping formula grating above and the light tool inserted in the light path board of projector casing side, can carry out the round experimental demonstration of light.For making demonstrating effect vivid and interesting more, facilitate teacher explains, above light source, device drives shadow shield by the deceleration small machine of bidirectional rotation, and due to the to-and-fro movement of shadow shield, the light image in light path board presents dynamic effect.
(3), fall screw thread condenser, become parallel light, device prism on platform, can demonstrate prismatic colors.Rise screw thread condenser, prismatic colors become the rainbow of beauty very true to nature together.
(4), plane mirror is pulled turn over to back, specimen support is vertically cocked, plant specimen is put on it, rise screw thread condenser, device microlens on platform, just can carry out microprojection (amplified by vegetable cell be projected in screen allows observation of students).
(5), former projector lifting lens assembly only have single projecting function, the present invention is adapted as removable jew, can device imaging lens, Rhizoma Sparganii mirror holder bracket component, microlens assembly multifunctional platform.Only need change assembly, just can carry out multinomial experiment.
Described lift screw thread condenser, with locking device, is convenient to lock when screw thread picture frame rises.
Described screw thread mirror is stamped two cover plate assemblies can be used alternatingly:
1, device free cheek mirror, grating socket, collapsible specimen support on the first cover plate, for carrying out experiment and the microprojection of the round of light.
2, the second cover-plate type device has red, yellow, blue three pieces of circular glass, above glass device can up and down, the movable level crossing in left and right, cover it, fall screw thread mirror switching directional light, the allotment of " three primary colors " can be demonstrated in screen.
Patent of the present invention utilizes discarded projector to integrate, and allows discarded audio-visual education programme equipment " come back to life, to radiate the vigour of youth ", continues as Teaching Service and specially designed.The present invention makes simply, only need lifting optically focused screw thread mirror, realize the replacing of directional light and optically focused, replace with cover plate and various smooth tool simultaneously, by different assembling forms, just can demonstrate the Most experiments of associated optical knowledge in Middle School Physics and school science visual in imagely.Because projector light is strong especially, in addition device stripping formula grating, with automatic shading assembly, can realize light dynamic demonstration effect, this is that other optical instrument existing not reached, functional, interest is stronger, can excite the strong learning interest of student, and structure is simple, cost of manufacture is low, powerful, there is good promotional value and use value.
This experimental provision can carry out following lecture experiment:
(1), rainbow simulated experiment after prismatic colors and rain; (2), the rectilinear propagation experiment of light; (3), convex lens optically focused and focus experiment; (4), concavees lens astigmatism effect experiment; (5), concave mirror optically focused effect experiment; (6), the diffuse reflection experiment of light; (7), periscope Experiment of Principle; (8), reflection angle equals incident angle experiment; (9), the refraction experiment of light; (10), microprojection (directly the eucaryotic cell structures such as plant can be amplified and be projected in screen); (11), trichromatic allotment demonstration (for fine arts lessons).
Accompanying drawing explanation;
Fig. 1 is that the present invention imparts knowledge to students-test Universal projector overall design drawing;
Fig. 2 is the first screw thread mirror cover plate schematic diagram of testing for the round of light;
Fig. 3 is the second screw thread mirror cover plate schematic diagram for three primary colors allotment demonstration;
Fig. 4 is the motor-driven optical occluder component schematic diagram of demonstration light image dynamic effect;
Fig. 5 is microprojector's schematic diagram;
Fig. 6 be use the present invention carry out light rectilinear propagation experiment time light path principle figure;
Fig. 7 be use the present invention carry out convex lens optically focused effect experiment time light path principle figure;
Fig. 8 be use the present invention carry out concavees lens astigmatism effect experiment time light path principle figure;
Fig. 9 be use the present invention carry out concave mirror optically focused effect experiment time light path principle figure;
Figure 10 be use the present invention carry out light diffuse reflection experiment time light path principle figure;
Figure 11 is light path principle figure when using the present invention to carry out periscope Experiment of Principle;
Figure 12 be use the present invention carry out reflection angle equal incident angle experiment time light path principle figure;
Figure 13 is light path principle figure when using the present invention to carry out the refraction experiment of light;
Figure 14 is light path principle figure when using the present invention to carry out microprojection;
Figure 15 is the three primary colors coordination effect figure of use second screw thread mirror cover plate demonstration on screen.
In Fig. 1: 1, projector casing; 2, elevating screw thread optically focused mirror case; 3, projector lens elevating lever; 4, free cheek mirror; 5, lens bracket lifting knob; 6, free cheek reflective mirror; 7, lens assembly platform; 8, light tool jack; 9, light path board; 10, bath of glass box; 11, two-way deceleration motor; 12, shadow shield; 13, shadow shield traction rope; 14, projector light source; 15, shadow shield guide pole; 16, fixed pulley; 17, screw thread condenser; 18, motor switch; 19, screw thread condenser cover plate; 20, screw thread mirror case lifting locking device; 21, stripping formula grating.
In Fig. 21, free cheek mirror; 2, light path board socket; 3, grating socket; 4, level crossing support; 5, screw thread condenser; 6, cover latch on screw thread mirror; 7, free cheek mirror rotating shaft; 8, collapsible specimen support.
In Fig. 3: 1,3,5, the blue three look glass of reddish yellow; 2,4,6, free cheek mirror.
In Fig. 4: 1, projector casing; 2, the transformer that light source is subsidiary; 3, shadow shield; 9, projector light source; 10, two-way deceleration motor.
In Fig. 5: 1, screw thread condenser cover plate; 2, projector casing; 3, elevating screw thread optically focused mirror case; 4, screw thread condenser; 5, free cheek mirror; 6, projector lens elevating lever; 7, lens bracket lifting knob; 8, free cheek reflective mirror; 9, lens assembly platform; 10, collapsible specimen support; 11, projection lens; 12, prism assembly; 13, microlens assembly.
In Fig. 6: 1, light path board; 2, strip parallel rays; 3, stripping formula grating; 4, free cheek mirror; 4, light tool jack.
In Fig. 7: 1, light path board; 2, focus; 3, convex lens; 4, stripping formula grating; 5, free cheek reflective mirror.
In Fig. 8: 1, light path board; 2, concavees lens; 3, stripping formula grating; 4, free cheek mirror.
In Fig. 9: 1, light path board; 2, concave mirror; 3, focus; 4, stripping formula grating; 5, free cheek mirror.
In Figure 10: 1, diffuse reflector; 2, light path board; 3, stripping formula grating; 4, free cheek mirror.
In Figure 11: 1, the first parallel plane reflective mirror; 2, the second parallel plane reflective mirror; 3, light path board; 4, stripping formula grating; 5, free cheek mirror.
In Figure 12: 1, light path board; 2, normal rotating disk; 3, stripping formula grating; 4, free cheek mirror; 5, normal.
In Figure 13: 1, bath of glass box; 2, light path board; 3, stripping formula grating; 4, free cheek mirror.
In Figure 14: 1, screen; 2, micro-image; 3, lens assembly platform; 4, projector casing; 5, elevating screw thread optically focused mirror case; 6, projector lens elevating lever; 7, sample and collapsible specimen support; 8, microlens; 9, free cheek reflective mirror.
Figure 15 is the three primary colors coordination effect figure of use second screw thread mirror cover plate (Fig. 3) demonstration on screen.
Embodiment
Education experiment Universal projector, retain basic structure and the function of original projector, comprise projector casing, light reflector bowl, radiator fan, power supply module and be fixed on the projector lens elevating lever of projector casing side, projector lens elevating lever is connected with free cheek reflective mirror.
Innovative point of the present invention is:
1, the projection lens of projector lens elevating lever upper end is adapted as self-mountable & dismountuble, unload projection lens, load onto the experiment that prism can carry out spectrum demonstration and rainbow simulation, the microlens that changes the outfit can carry out microprojection (directly amplifying in screen micro-for vegetable cell).
2, original retaining thread condenser is adapted as lift, realizes the switching of directional light and optically focused.Use known the principles of science to carry out many Experiments of Optics, when falling screw thread condenser, its focus is just in time positioned on projector pointolite, and the light through the injection of screw thread condenser becomes directional light, utilizes directional light can do the experiment of spectrum demonstration and experiment one to experiment nine.When rising screw thread condenser, focus leaves projector pointolite, and the light through the injection of screw thread condenser switches to optically focused, utilizes optically focused not only can carry out Conventional projection, and can carry out rainbow analog demenstration and microprojection.
3, device optical occluder component above the light source of projector, comprises the subsidiary transformer of two-way deceleration motor, shadow shield, fixed pulley, shadow shield traction rope, shadow shield guide pole and two-way deceleration motor and power switch.Due to the to-and-fro movement of shadow shield, the parallel light belt of strip being mapped to light path board through stripping formula grating becomes dynamic image (note: use this device will clarify ray velocity 300000km per second to student, in light path board, striation speed is the speed of shadow shield, works the effect helping teacher explains).
4, the removable cover plate assembly of device above screw thread condenser, the first screw thread mirror cover plate is designed with free cheek mirror, grating socket, light path board socket, collapsible specimen support, joins individual use, can carry out the experiment of experiment one to experiment ten with various smooth tool; The blue three look glass of device reddish yellow on second screw thread mirror cover plate, and configuration can change arbitrarily the free cheek mirror of reflection direction, load onto it and fall screw thread condenser and switch to directional light, trichromatic allotment (for art teaching) can be demonstrated in screen, slowly toward hoisting screw thread condenser, the color circle on screen can slowly become large.
The present invention is adopted to carry out following experiment:
Experiment one: rainbow simulated experiment after prismatic colors and rain
Install instrument according to shown in Fig. 5, collapsible specimen support was fallen, prism assembly is placed on lens assembly platform, open projector, adjustable lens lifting knob, to appropriate location, is fallen screw thread condenser and is switched directional light, screen just can be got beautiful bright-coloured prismatic colors.Rise screw thread condenser and switch to optically focused, the spectrum in screen becomes the rainbow of one beauty.
Experiment ten: microprojection
Instrument is installed according to shown in Fig. 5, prism assembly is taken off, be replaced by microlens object lens, cocked collapsible specimen support is also placed on it by sample, open projector, rise screw thread condenser switch to optically focused and make its focus just to microlens center, lens fine-tuning lifting knob, till regulating objective focal length to present clear vivid enlarged image in screen.
Install instrument according to shown in Fig. 1, carry out following experiment:
Experiment two: the rectilinear propagation experiment of light: the shading cutting in four light grooves is extracted out, open projector, the power switch opening two-way deceleration motor makes shadow shield to-and-fro movement, when shadow shield outwards moves, light path board just presents the light belt that four shown in Fig. 6 move in parallel.(prompting student: the light velocity is 300000km per second, and light path board glazing Tape movement is not the light velocity.)
Experiment three: the optically focused effect of convex lens and focus experiment: convex lens are hung in light path board, the light transmition figure shown in Fig. 7 can be seen, focus visual pattern, vivid and interesting.
Experiment four: the effect of concavees lens astigmatism is tested: hung over by concavees lens in light path board, can see the even disperse light propagation figure up and down of the light belt shown in Fig. 8.
Experiment five: the effect of concave mirror optically focused is tested: be inserted in by concave mirror in the light tool jack above light path board, can see that the light belt shown in Fig. 9 to gather below concave mirror certain any light transmition figure.
Experiment six: the diffuse reflection experiment of light: diffuse reflection eyeglass is inserted jack in light path board, the light belt directive at random light transmition figure from all directions shown in Figure 10 can be seen.
Experiment seven: periscope Experiment of Principle: the two shading strippings being positioned at below are inserted light groove and only stays top two light grooves exposure, then two pieces of level crossings are parallel to each other and insert light tool jack, and make it to become miter angle formation index path as shown in figure 11 relative to exposure light groove.Under driving mechanism effect, two light belts slowly move, and show periscope principle visual in imagely.
Experiment eight: reflection angle equals the experiment of incident angle: be inserted in by normal rotating disk in the jack just to light groove above grating, close three light grooves of below, level crossing under a light belt direct projection normal intersection point above allowing, rotary turnplate, can show the science reason that reflection angle equals incident angle forever visually.
Experiment nine: the refraction experiment of light: the water box filling water is placed on the water box claw below light path board, level crossing is inserted in the jack of light path board, rotating mirror, a branch of light belt is injected in water sideling, light reflects in water, inject the level crossing bottom water box, then go out the water surface by flat mirror reflects.Form light transmition figure as shown in fig. 13 that.
Test 11: unload the first screw thread mirror cover plate, change the second screw thread mirror cover plate, the free cheek mirror above the blue three blocks of glass of adjustment reddish yellow, changes the reflection direction of light, can demonstrate three primary colors allotment on screen.
Claims (3)
1. an education experiment Universal projector, is characterized in that comprising projector casing, is placed in light source in projector casing and subsidiary transformer, reflector, radiator fan, the power supply module of light source; Be fixed with projector lens elevating lever in projector casing side, projector lens elevating lever is connected with free cheek reflective mirror and lens assembly platform, in order to device prism, microprojection camera lens or Conventional projection camera lens on lens assembly platform; The elevating screw thread optically focused mirror case that above projector casing, device can be elevated, establishes lifting locking device in this screw thread optically focused mirror case, projector can be made to realize the switching of directional light and optically focused; Elevating screw thread optically focused mirror case is coated with removably screw thread condenser cover plate, this screw thread condenser cover plate covers when carrying out Experiments of Optics, sheds when Conventional projection; Device free cheek mirror and stripping formula grating on screw thread condenser cover plate, free cheek mirror dead ahead is embedded with light path board in projector casing side, light path board there is light tool jack, for fixing various smooth tool: comprise convex lens, concavees lens, parallel plane mirror, concave mirror, diffuse reflector or normal rotating disk; Bath of glass box and water box claw is had for doing the refraction experiment of light under light path board; For making the various index path pictures in light path board produce dynamic effect assisted teacher explanation, in projector casing, design AUTOMATIC SUNSHADE; AUTOMATIC SUNSHADE is made up of the subsidiary transformer of two-way deceleration motor, shadow shield, shadow shield traction rope, fixed pulley, two-way deceleration motor and power switch.
2. education experiment Universal projector according to claim 1, is characterized in that utilizing the liter of screw thread condenser and falling, realizes the switching of directional light and optically focused, complete Conventional projection and Experiments of Optics dual role.
3. education experiment Universal projector according to claim 1, is characterized in that screw thread condenser cover plate is also designed with stripping grating socket and collapsible specimen support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462343.6A CN103187000B (en) | 2011-12-29 | 2011-12-29 | Universal projector for teaching experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462343.6A CN103187000B (en) | 2011-12-29 | 2011-12-29 | Universal projector for teaching experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187000A CN103187000A (en) | 2013-07-03 |
| CN103187000B true CN103187000B (en) | 2015-06-03 |
Family
ID=48678151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110462343.6A Expired - Fee Related CN103187000B (en) | 2011-12-29 | 2011-12-29 | Universal projector for teaching experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103187000B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021713B (en) * | 2014-03-28 | 2016-03-30 | 温州市龙湾区永强中学 | A kind of interference of light, diffraction, reflection, refraction effect space multistory demonstrator |
| CN105894867B (en) * | 2015-01-13 | 2018-07-13 | 郭茂清 | Three primary colors educational projector |
| CN109345930A (en) * | 2018-12-04 | 2019-02-15 | 杭州鹏龙科技有限公司 | High-resolution light has optical path demonstration device |
| CN112164291B (en) * | 2020-08-27 | 2022-06-17 | 浙江水利水电学院 | Emotion experience device for subject blending system |
| CN112908144A (en) * | 2021-02-02 | 2021-06-04 | 无锡商业职业技术学院 | Three-dimensional display device based on building earlier stage structure |
| CN116092358B (en) * | 2022-09-09 | 2024-05-24 | 长江大学文理学院 | Optical principle experimental device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089599A (en) * | 1975-11-18 | 1978-05-16 | Fuji Photo Film Co., Ltd. | Device for correcting distortion of a projected image |
| CN201689585U (en) * | 2010-06-11 | 2010-12-29 | 郭茂清 | Multifunctional teaching projector experiment device |
-
2011
- 2011-12-29 CN CN201110462343.6A patent/CN103187000B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089599A (en) * | 1975-11-18 | 1978-05-16 | Fuji Photo Film Co., Ltd. | Device for correcting distortion of a projected image |
| CN201689585U (en) * | 2010-06-11 | 2010-12-29 | 郭茂清 | Multifunctional teaching projector experiment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103187000A (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103187000B (en) | Universal projector for teaching experiments | |
| CN203658705U (en) | A color film substrate, a display panel and a display device | |
| CN103150955A (en) | Geometric-optical comprehensive demonstration instrument | |
| CN104508361A (en) | Collimation and homogenization system for an led luminaire | |
| CN102818221B (en) | A kind of optical system for stage lamp | |
| CN205749977U (en) | Backlight module and display device | |
| CN111694142A (en) | Portable digital microscope | |
| CN104167142A (en) | Multifunctional optical experiment instrument | |
| CN103544873A (en) | Optical fiber communication principle demonstration instrument | |
| CN104266109A (en) | Stage lamp optical system having soft light and light beam effects | |
| CN201689585U (en) | Multifunctional teaching projector experiment device | |
| CN103168265A (en) | Imaging systems and associated methods thereof | |
| CN203134231U (en) | Comprehensive demonstration instrument for geometrical optics | |
| CN105261272B (en) | Refractometer teaching mode | |
| CN203910133U (en) | Multifunctional optical device used in physics experiments | |
| CN202735586U (en) | LED photoelectric multifunctional microscope | |
| CN204213728U (en) | There is the stage lighting optical system of sheen and beam effect | |
| CN1249480C (en) | Projection picture display device | |
| CN106200102A (en) | Panel construction and preparation method thereof, optical projection system | |
| CN208689813U (en) | A kind of optics lens experimental bench | |
| CN2141583Y (en) | Imitation demonstration device for lens image forming | |
| CN215450603U (en) | Teaching demonstration device | |
| CN105374250B (en) | Journalism teaching display machine | |
| CN209822111U (en) | Multifunctional optical experiment demonstrator | |
| CN103273795A (en) | Sand painting platform device based on projector and capable of adjusting colors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Baocheng Inventor before: Guo Maoqing |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170522 Address after: 510000 Guangdong city of Guangzhou province Tianhe District Zhuji Road No. 61 building 201 C (not for plant use) (only for office use) Patentee after: Guangdong Leon Electronic Technology Co., Ltd. Address before: 031800 Shanxi East Yushe County Street No. 20 middle school of Yushe Patentee before: Guo Maoqing |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |