CN103345865B - Liquid crystal display revelation principle demonstration model - Google Patents
Liquid crystal display revelation principle demonstration model Download PDFInfo
- Publication number
- CN103345865B CN103345865B CN201310320372.8A CN201310320372A CN103345865B CN 103345865 B CN103345865 B CN 103345865B CN 201310320372 A CN201310320372 A CN 201310320372A CN 103345865 B CN103345865 B CN 103345865B
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- liquid crystal
- crystal display
- flat plate
- slide block
- guide rail
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 42
- 230000005484 gravity Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display revelation principle demonstration model, belonging to the technical field of teaching instruments. The liquid crystal display revelation principle demonstration model comprises two flat plates, two pairs of guide tracks, a plurality of sliding blocks and a releasing device, wherein the two flat plates are provided with gaps parallel to one another; the gaps of the upper flat plate and the lower flat plate are perpendicular in different surfaces; the two pairs of guide tracks comprise straight guide tracks and curve guide tracks which are all arranged vertically between the two flat plates; the upper end connection line and the lower end connection line of two grooves of each curve guide track are perpendicular in different surfaces; the sliding blocks are rod-shaped; the releasing device is formed by three bottomless boxes and baffles, which are mounted on the upper flat plate. The two flat plates represent upper and lower polaroids of a liquid crystal display; the straight guide tracks represent liquid crystals with voltage; the curve guide tracks represent liquid crystals without voltage; the motion of the sliding blocks represents the transmission of light waves. The model is capable of demonstrating the liquid crystal display revelation principle, has the effects of low carbon and environment protection, is visible and visual, is convenient to operate, enables learning of liquid crystal display knowledge hard to imagine becomes easy, interesting, understandable and efficient, and also can assist in developing the exploration and creation capability of students.
Description
Technical field
The present invention relates to teaching aid technical field, belong to a kind of demonstrating model, specifically belong to a kind of liquid crystal display revelation principle demonstration model.
Background technology
Liquid crystal display is because of advantages such as its low pressure, Micro Energy Lose, Low emissivity, low stain, flat structures, and apply very extensive in our daily life, wherein mobile phone, computer, digital camera etc. have become the necessity of people's life and work.Although liquid crystal display and our daily life are closely related, its displaying principle is seldom known.Students ' Learning liquid crystal display displaying principle relevant knowledge, iff the oral preach relying on textbook and teacher, seem uninteresting, hard to understand, poor efficiency., the equipment of liquid crystal display displaying principle is not also demonstrated at present.The study of the giving lessons of teacher, student, science popularization is shown all needs relevant equipment, is used for demonstrating liquid crystal display displaying principle vividly, allows study become interesting, understandable, efficient.
Summary of the invention
The object of this invention is to provide one and can demonstrate liquid crystal display displaying principle, and low-carbon environment-friendly, visual pattern, easy to operate model.
For achieving the above object, technical scheme of the present invention is: liquid crystal display revelation principle demonstration model, comprises two pieces of flat boards, two secondary guide rails, multiple slide block and releasing means.Two pieces of described flat boards have upper flat plate, lower flat board, and its face is parallel to each other, is supported in-between by column; Two pieces of described flat boards all have the rectangular slot that many long and narrow, the gap on same flat board is parallel to each other, and upper flat plate is vertical with the gap antarafacial of lower flat board.Described two secondary guide rails have straight guide, bent guide rail, all stand between two pieces of flat boards, guide rail are rectified the gap to upper flat plate; Straight guide is two parallel relative grooves, and the same side, lower end of two grooves is jagged, takes out slide block when being convenient to demonstration; Bent guide rail is the relative groove of two distortions, and this groove xsect distance is in the same horizontal line always equal, and equals the distance between straight guide two grooves; The upper end line of this bent guide rail two grooves is vertical with its lower end line antarafacial.This slide block is bar-shaped, and length equals the distance between guide rail two grooves substantially, can fall from guide rail upper end sidewards.Described releasing means can stop or release slider falls, and is made up of three boxes and baffle plate; Described three boxes are the same bottomless boxes of rectangular parallelepiped of fixed connection together three, be arranged on upper flat plate, one of them cassette length direction is vertical with the direction, gap of upper flat plate, another two cassette length directions are consistent with the direction, gap of upper flat plate, and the end of two boxes is relative with guide rail upper end; Box can hold slide block or allow slide block pass; The thickness of this baffle plate is slightly less than the distance of three box bottom surfaces to upper flat plate.
As a further improvement on the present invention, described upper flat plate is marked with word " upper polarizer ", and lower flat board indicates word " lower polaroid ", and straight guide is marked with word " alive liquid crystal ", bent guide rail is marked with word " not alive liquid crystal ", and slide block is marked with word " light wave ".
As a further improvement on the present invention, the groove of described two secondary guide rails is circular trough, and the xsect of this groove is the circular arc being greater than semicircle; The two ends of slide block are spheroid, and match with the inwall of guide-track groove.
As a further improvement on the present invention, in this slide block, segment length accounts for the part of slide block 1/3rd is irony round bar, and other parts are hollow tubular and hollow ball.Heavy in the middle of slide block two ends are light, make slide block quality mainly concentrate on its stage casing, its center of gravity remains on its geometric center.
Beneficial effect of the present invention is as follows: the present invention has filled up a blank of liquid crystal display revelation principle demonstration model, the upper and lower polaroid of liquid crystal display is represented with two pieces of flat boards, two secondary guide rails represent the liquid crystal under two kinds of voltage statuss, the movement representation light wave propagation of slide block.Utilize releasing means to discharge three slide blocks simultaneously, by movement locus and the final position of observation and comparison three slide blocks, teachers and students can be allowed to understand the displaying principle of liquid crystal display intuitively, meet their needs.With the motion of macroscopic view vivid present the rule of microcosmic, make knowledge hard to understand that is uninteresting, that not easily imagine, study is got up also funny and relaxed, efficiently understandable, excite simultaneously with training student probe into innovation ability.This model can be used as realia, also can be used as exhibition article.Slide block moves under gravity, not power consumption, therefore this model low-carbon environment-friendly.This modelling is reasonable, and structure is simple, easy to manufacture, easy to operate, easy to utilize.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation of demonstrating model of the present invention;
Fig. 2 is the Facad structure schematic diagram of demonstrating model of the present invention;
Fig. 3 is the circular trough track cross-section structural representation containing slide block.
Embodiment
Liquid crystal display revelation principle demonstration model of the present invention as shown in Figure 1 and Figure 2, comprise two pieces of flat boards, two secondary guide rails, multiple slide block 6 and releasing means, the upper and lower polaroid of liquid crystal display is represented with two pieces of flat boards, the liquid crystal under two kinds of voltage statuss is represented, with the movement representation light wave propagation of slide block 6 with two secondary guide rails.
Two pieces of described flat boards have upper flat plate 1, lower dull and stereotyped 2, and its face is parallel to each other, is supported in-between by column; Described two pieces of flat boards all have the rectangular slot 3 that many long and narrow, the gap 3 on same flat board is parallel to each other, and upper flat plate 1 is vertical with the lower gap of dull and stereotyped 23 antarafacial; The direction in this gap 3 represents the polarization direction of polaroid.Described two secondary guide rails have straight guide 4, bent guide rail 5, all stand between two pieces of flat boards, guide rail are rectified the gap 3 to upper flat plate 1; Straight guide 4 is the same side, lower end jagged 9 of two parallel relative grooves, two grooves, and slide block 6 can be allowed from then on to take out at breach 9 place; Bent guide rail 5 is the relative groove of two distortions, and this groove xsect distance is in the same horizontal line always equal, and equals the distance between straight guide 4 two grooves; The upper end line of this bent guide rail 5 two grooves is vertical with its lower end line antarafacial, makes slide block 6 slide into lower end by bent guide rail 5 upper end and realizes turning to.This straight guide 4 represents alive liquid crystal, and bent guide rail 5 represents not alive liquid crystal.This slide block 6 is bar-shaped, and length equals the distance between guide rail two grooves substantially, and multiple slide block 6 can be easy to use.Releasing means can stop or release slider 6 falls, and is made up of three boxes 7 and baffle plate 8; Described three boxes 7 are the same bottomless boxes 7 of rectangular parallelepiped of fixed connection together three, be arranged on upper flat plate 1, one of them box 7 length direction is vertical with the direction, gap 3 of upper flat plate 1, another two box 7 length directions are consistent with the direction, gap 3 of upper flat plate 1, and the end of two boxes 7 is relative with guide rail upper end; Box 7 can hold slide block 6 or allow slide block 6 pass, and like this, three bottomless boxes 7 just become three passwaies of slide block 6; The difference of box 7 length direction, determines the axis direction that three slide blocks 6 are initial, represents the different polarization direction of light wave thus; The thickness of this baffle plate 8 is slightly less than the distance of three box 7 bottom surfaces to upper flat plate 1.
During use, first this model is placed steadily, baffle plate 8 is inserted below three bottomless boxes 7, block the bottom of box 7, three slide blocks 6 are put into three boxes 7 respectively, then rapid baffle plate 8 is detached bottom box 7, now, three slide block 6 free-fallings simultaneously under gravity.Can observe: the slide block 6 of the box 7 li vertical with direction, upper flat plate 1 gap 3, can be blocked on upper flat plate 1, represent that the light wave of polarization direction perpendicular to polaroid polarization direction be not by polaroid.Two slide blocks 6 of two boxes 7 li consistent with direction, upper flat plate 1 gap 3, can pass through upper flat plate 1 smoothly, then enter guide rail, and along the groove landing of guide rail, the light ware energy that expression polarization direction is parallel to polaroid polarization direction passes through polaroid.Because upper flat plate 1 is that antarafacial is vertical with the lower gap of dull and stereotyped 23, so see that the slide block 6 in straight guide 4 is stopped by lower dull and stereotyped 2, represent light wave through alive liquid crystal not by lower polaroid; And only have the slide block 6 horizontally rotating 90 ° by bent guide rail 5 smoothly by the lower gap of dull and stereotyped 23, finally can to fall, namely represent that light wave is not through having alive liquid crystal can by lower polaroid.Releasing means discharges three identical slide blocks 6 simultaneously, and they have different movement locus, by comparing the result that three slide blocks 6 finally move, discloses the characteristic of polarized light and the electrooptical effect of liquid crystal, shows that light wave passes through condition and the process of liquid crystal display.Slide block 6 can take out, and reuses, and wherein can be taken out from the breach 9 of straight guide 4 groove by the slide block 6 of straight guide 4.
As another embodiment of the invention, at the appropriate location of this model mark word: described upper flat plate 1 is marked with word " upper polarizer ", and lower dull and stereotyped 2 are marked with word " lower polaroid "; Straight guide 4 is marked with word " alive liquid crystal ", and bent guide rail 5 is marked with word " not alive liquid crystal "; Slide block 6 is marked with word " light wave ".Like this, use the meeting of this model more convenient.
As another embodiment of the invention, as shown in Figure 3, the groove of described two secondary guide rails adopts circular trough, and this circular trough xsect is the circular arc 10 being greater than semicircle; The two ends of slide block 6 adopt spheroid 11, and match with the inwall of guide-track groove.Like this, slide block 6 two ends spheroid 11 achieves linear contact lay with the inwall of this circular trough, makes their cooperation the most perfect, also can glide normally even if light one end, slide block 6 one end is heavy.
As another embodiment of the invention, as shown in Figure 3, during this slide block 6 adopts, segment length accounts for the part of slide block 1/6th three is irony round bar 12, and other parts are hollow tubular and hollow ball.Heavy in the middle of slide block 6 two ends are light, make slide block 6 quality mainly concentrate on its stage casing, its center of gravity remains on its geometric center, like this, slide block 6 from guide rail upper end sidewards free-falling time steady, smooth and easy.Certainly, the part that segment length accounts for slide block 1/6th three in slide block 6 also can adopt the sealed tube filling gravel, and this can make slide block 6 quality mainly concentrate on its stage casing equally.
This model, by simple motion, moves with the light wave of the slide block 6 movement representation microcosmic of macroscopic view, and visual pattern ground shows that light wave is by polaroid, along the motion process of liquid crystal, allows people be readily appreciated that the displaying principle of liquid crystal display.
Claims (4)
1. liquid crystal display revelation principle demonstration model, comprises two pieces of flat boards, two secondary guide rails, multiple slide block and releasing means, it is characterized in that: two pieces of described flat boards have upper flat plate, lower flat board, and its face is parallel to each other, is supported in-between by column; Described two pieces of flat boards all have the rectangular slot that many long and narrow, the gap on same flat board is parallel to each other, and upper flat plate is vertical with the gap antarafacial of lower flat board; Described two secondary guide rails have straight guide, bent guide rail, all stand between two pieces of flat boards, guide rail are rectified the gap to upper flat plate; Straight guide is two parallel relative grooves, and the same side, lower end of two grooves is jagged; Bent guide rail is the relative groove of two distortions, and this groove xsect distance is in the same horizontal line always equal, and equals the distance between straight guide two grooves; The upper end line of this bent guide rail two grooves is vertical with its lower end line antarafacial; Described slide block is bar-shaped, and length equals the distance between guide rail two grooves substantially; Described releasing means is made up of three boxes and baffle plate; Described three boxes are the bottomless box of rectangular parallelepiped of fixed connection three equal sizes together, be arranged on upper flat plate, one of them cassette length direction is vertical with the direction, gap of upper flat plate, another two cassette length directions are consistent with the direction, gap of upper flat plate, and the end of two boxes is relative with guide rail upper end; The thickness of this baffle plate is slightly less than the distance of three box bottom surfaces to upper flat plate.
2. liquid crystal display revelation principle demonstration model according to claim 1, it is characterized in that: described upper flat plate is marked with word " upper polarizer ", lower flat board indicates word " lower polaroid ", straight guide is marked with word " alive liquid crystal ", bent guide rail is marked with word " not alive liquid crystal ", and slide block is marked with word " light wave ".
3. liquid crystal display revelation principle demonstration model according to claim 1, is characterized in that: the groove of described two secondary guide rails is circular trough, and the xsect of this groove is the circular arc being greater than semicircle; The two ends of slide block are spheroid, and match with the inwall of guide-track groove.
4. the liquid crystal display revelation principle demonstration model according to claim 1,2 or 3, it is characterized in that: in described slide block, segment length accounts for the part of slide block 1/3rd is irony round bar, other parts are hollow tubular and hollow ball, and its center of gravity remains on its geometric center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320372.8A CN103345865B (en) | 2013-07-27 | 2013-07-27 | Liquid crystal display revelation principle demonstration model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320372.8A CN103345865B (en) | 2013-07-27 | 2013-07-27 | Liquid crystal display revelation principle demonstration model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103345865A CN103345865A (en) | 2013-10-09 |
| CN103345865B true CN103345865B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310320372.8A Expired - Fee Related CN103345865B (en) | 2013-07-27 | 2013-07-27 | Liquid crystal display revelation principle demonstration model |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658386A (en) * | 2013-11-20 | 2015-05-27 | 南京化工职业技术学院 | Test demonstration table of liquid crystal television |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916996A (en) * | 2006-01-23 | 2007-02-21 | 北京交通大学 | Demo instrument for principle of dislay |
| KR20130015567A (en) * | 2011-08-04 | 2013-02-14 | 최형근 | Swiching wiring breadboard |
| CN203366603U (en) * | 2013-07-27 | 2013-12-25 | 程林 | Display principle demonstration model of liquid crystal display (LCD) |
-
2013
- 2013-07-27 CN CN201310320372.8A patent/CN103345865B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916996A (en) * | 2006-01-23 | 2007-02-21 | 北京交通大学 | Demo instrument for principle of dislay |
| KR20130015567A (en) * | 2011-08-04 | 2013-02-14 | 최형근 | Swiching wiring breadboard |
| CN203366603U (en) * | 2013-07-27 | 2013-12-25 | 程林 | Display principle demonstration model of liquid crystal display (LCD) |
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| CN103345865A (en) | 2013-10-09 |
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Granted publication date: 20150520 |
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