CN205594948U - Projecting apparatus teaching aid - Google Patents
Projecting apparatus teaching aid Download PDFInfo
- Publication number
- CN205594948U CN205594948U CN201620186763.4U CN201620186763U CN205594948U CN 205594948 U CN205594948 U CN 205594948U CN 201620186763 U CN201620186763 U CN 201620186763U CN 205594948 U CN205594948 U CN 205594948U
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- China
- Prior art keywords
- convex lens
- optically focused
- riser
- teaching aid
- base
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Abstract
The utility model relates to a projecting apparatus teaching aid, have simple structure, small, energy -conserving, the equipment is easy, convenient to detach's advantage, conveniently change and observe in the student. The utility model discloses a formation of image convex lens, first spotlight convex lens, second spotlight convex lens, formation of image convex lens, first spotlight convex lens, second spotlight convex lens set up in order on the base, and top one side is provided with the slide in the base, and the slide is connected with the slide, and the setting of formation of image convex lens is at the front end of slide, riser and layer board are installed respectively to base upper surface both ends, and the protruding lens fixation of first spotlight is on the riser, and the one side that faces toward with the formation of image convex lens on the riser is equipped with the screen sheet draw -in groove, and the position that faces toward with first spotlight convex lens middle part on the riser is equipped with the opening, install second spotlight convex lens, LED lamp pearl on the layer board in order, formation of image convex lens, first spotlight convex lens, second spotlight convex lens, LED lamp pearl are on same water flat line, inside electronic circuit board, the power transformer of being equipped with of base.
Description
Technical field
This utility model belongs to teaching aid technical field, particularly relates to a kind of projector teaching aid.
Background technology
At present, the projector of teaching is replaced by multimedia, but the operation principle of projector, structure, index path etc. remain the important component part of junior physics teaching material optical knowledge, are the Physics Course contents to be learnt as junior middle school student；The purpose that conventional projector is used is to project, but conventional projector volume is big, power is big, dismoutability is poor, and structure complexity is not easy to student and changes and observe；Therefore, the experimental implementation of student can be affected, cause student the most readily understood to the principle of projector.
Summary of the invention
This utility model is aiming at the problems referred to above, makes up the deficiencies in the prior art, it is provided that a kind of projector teaching aid；This utility model has simple in construction, volume is little, energy-conservation, assemble advantage easy, easy-to-dismount, is convenient to student and changes and observe.
For achieving the above object, this utility model adopts the following technical scheme that.
This utility model one projector teaching aid, including imaging convex lens, the first optically focused convex lens, the second optically focused convex lens, its structural feature is: described imaging convex lens, the first optically focused convex lens, the second optically focused convex lens are sequentially arranged on base, in described base, side, top is provided with slideway, described slideway connects has slide plate, described imaging convex lens to be arranged on the front end of slide plate；Described base upper surface two ends are separately installed with riser and supporting plate, described first optically focused convex lens is fixed on riser, the side faced toward with imaging convex lens on riser is provided with transparency draw-in groove, and the position faced toward with the first optically focused convex lens middle part on riser is provided with opening；Sequentially installing the second optically focused convex lens, LED lamp bead on described supporting plate, described imaging convex lens, the first optically focused convex lens, the second optically focused convex lens, LED lamp bead are in the same horizontal line；Described chassis interior is provided with electronic circuit board, mains transformer, and the input of mains transformer connects power line, and the outfan of mains transformer is connected with the input of electronic circuit board, and the outfan of electronic circuit board is connected with LED lamp bead.
As a kind of preferred version of the present utility model, the bore of described imaging convex lens is 4cm, focal length is 10cm, and the bore of described first optically focused convex lens is 5cm, focal length is 15cm, and the bore of described second optically focused convex lens is 3cm, focal length is 15cm.
As a kind of preferred version of the present utility model, described base be arranged over upper cover, described upper cover is fastened and connected with base.
Further, described upper cover uses macromolecule organic plates to make.
As another kind of preferred version of the present utility model, the bottom of described riser and supporting plate is respectively provided with magnetic sheet, described riser and supporting plate and is adsorbed on base by magnetic sheet；Removable, can assemble, can arbitrarily change the first optically focused convex lens, the position of the second optically focused convex lens, it is achieved that removably connect.
As another kind of preferred version of the present utility model, on supporting plate, the rear of LED lamp bead be additionally provided with fan, described fan is connected with the outfan of electronic circuit board.
As another kind of preferred version of the present utility model, described LED lamp bead uses 5W large-power LED light bead；There is the advantage that power is little, brightness high-low voltage is safe.
As another kind of preferred version of the present utility model, described electronic circuit board is connected formed by electric capacity, three terminal regulator LM317, variable resistance, fixed resistance.
This utility model beneficial effect.
1, a kind of projector teaching aid provided by the utility model, facilitate removable, can assemble, can arbitrarily change the position of convex lens；The structure of projector, operation principle can be showed student intuitively, student is made the most skillfully to have grasped relevant optical knowledge, temper again operating ability, significantly excite the interest of Students ' Learning physics, enhance memory, enhance student and the physical knowledge learned is applied to the consciousness of practical experience of life.
2, this utility model have for education experiment uses economical and practical, draw materials easily, without special；Also there is the advantage that volume is little, energy-conservation.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described further below in conjunction with the accompanying drawings.This utility model protection domain is not only limited to the statement of herein below.
Fig. 1 is the cross-sectional view of this utility model a kind of projector teaching aid.
Fig. 2 is that the chassis interior electronic device of this utility model a kind of projector teaching aid connects circuit theory diagrams.
In figure, 1 be imaging convex lens, 2 be slide plate, 3 be base, 4 be transparency draw-in groove, 5 be riser, 6 be the first optically focused convex lens, 7 be magnetic sheet, 8 be slideway, 9 be upper cover, 10 be electronic circuit board, 11 be the second optically focused convex lens, 12 be mains transformer, 13 be LED lamp bead, 14 be supporting plate, 15 for fan.
Detailed description of the invention
As shown in Figure 1, this utility model one projector teaching aid, including imaging convex lens the 1, first optically focused convex lens the 6, second optically focused convex lens 11, its structural feature is: described imaging convex lens the 1, first optically focused convex lens the 6, second optically focused convex lens 11 is sequentially arranged on the base 3, in described base 3, side, top is provided with slideway 8, described slideway 8 connects has slide plate 2, described imaging convex lens 1 to be arranged on the front end of slide plate 2；Described base 3 upper surface two ends are separately installed with riser 5 and supporting plate 14, described first optically focused convex lens 6 is fixed on riser 5, the side faced toward with imaging convex lens 1 on riser 5 is provided with transparency draw-in groove 4, and the position faced toward with the first optically focused convex lens 6 middle part on riser 5 is provided with opening；Sequentially installing the second optically focused convex lens 11, LED lamp bead 13 on described supporting plate 14, described imaging convex lens the 1, first optically focused convex lens the 6, second optically focused convex lens 11, LED lamp bead 13 are in the same horizontal line；Described base 3 is internal is provided with electronic circuit board 10, mains transformer 12, and the input of mains transformer 12 connects power line, and the outfan of mains transformer 12 is connected with the input of electronic circuit board 10, and the outfan of electronic circuit board 10 is connected with LED lamp bead 13.
The bore of described imaging convex lens 1 is 4cm, focal length is 10cm, and the bore of described first optically focused convex lens 6 is 5cm, focal length is 15cm, and the bore of described second optically focused convex lens 11 is 3cm, focal length is 15cm.
Described base 3 be arranged over upper cover 9, described upper cover 9 is fastened and connected with base 3.
Further, described upper cover 9 uses macromolecule organic plates to make.
The bottom of described riser 5 and supporting plate 14 is respectively provided with magnetic sheet 7, described riser 5 and supporting plate 14 and is adsorbed on the base 3 by magnetic sheet 7；Removable, can assemble, can arbitrarily change the position of first optically focused convex lens the 6, second optically focused convex lens 11, it is achieved that removably connect；It is convenient to student change and observe, makes student can be visually observed that the structure of projector, operation principle.
On supporting plate 14, the rear of LED lamp bead 13 be additionally provided with fan 15, described fan 15 is connected with the outfan of electronic circuit board 10.
Described LED lamp bead 13 uses 5W large-power LED light bead；There is the advantage that power is little, brightness high-low voltage is safe.
As in figure 2 it is shown, be the chassis interior electronic device connection circuit theory diagrams of this utility model a kind of projector teaching aid；Described electronic circuit board is connected formed by electric capacity, three terminal regulator LM317, variable resistance, fixed resistance；In figure, mains transformer is connected by connecting commutator one end respectively with electric capacity, three terminal regulator LM317, and the another two ends of three terminal regulator LM317 are connected with variable resistance, fixed resistance respectively.
1 experimental implementation process of the present utility model is described below in conjunction with the accompanying drawings: first, by being linked on 220V power supply by the power line of projector, upper cover 9 of taking away, change the position of first optically focused convex lens the 6, second optically focused convex lens 11, observe optically focused situation；Then transparency is added in transparency draw-in groove 4, is adjusted the position of imaging convex lens 1 by pull slide plate 2, transparency obtains clearly as, change transparency to the distance of imaging convex lens 1, observation imaging size.
Above content is to combine the further description that this utility model is made by concrete preferred implementation; it cannot be assumed that of the present utility model being embodied as is confined to these explanations; for this utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the protection domain that claims that this utility model submitted to determine.
Claims (8)
1. a projector teaching aid, including imaging convex lens (1), the first optically focused convex lens (6), the second optically focused convex lens (11), it is characterized in that: described imaging convex lens (1), the first optically focused convex lens (6), the second optically focused convex lens (11) are sequentially arranged on base (3), side, described base (3) interior top is provided with slideway (8), described slideway (8) connects has slide plate (2), described imaging convex lens (1) to be arranged on the front end of slide plate (2)；Described base (3) upper surface two ends are separately installed with riser (5) and supporting plate (14), described first optically focused convex lens (6) is fixed on riser (5), the side that and imaging convex lens (1) upper at riser (5) faces toward is provided with transparency draw-in groove (4), is provided with opening in the upper position faced toward with the first optically focused convex lens (6) middle part of riser (5)；Sequentially installing the second optically focused convex lens (11), LED lamp bead (13) on described supporting plate (14), described imaging convex lens (1), the first optically focused convex lens (6), the second optically focused convex lens (11), LED lamp bead (13) are in the same horizontal line；Described base (3) is internal is provided with electronic circuit board (10), mains transformer (12), the input of mains transformer (12) connects power line, the outfan of mains transformer (12) is connected with the input of electronic circuit board (10), and the outfan of electronic circuit board (10) is connected with LED lamp bead (13).
A kind of projector teaching aid the most according to claim 1, it is characterized in that: the bore of described imaging convex lens (1) is 4cm, focal length is 10cm, the bore of described first optically focused convex lens (6) is 5cm, focal length is 15cm, and the bore of described second optically focused convex lens (11) is 3cm, focal length is 15cm.
A kind of projector teaching aid the most according to claim 1, it is characterised in that: described base (3) be arranged over upper cover (9), described upper cover (9) is fastened and connected with base (3).
A kind of projector teaching aid the most according to claim 3, it is characterised in that: described upper cover (9) uses macromolecule organic plates to make.
A kind of projector teaching aid the most according to claim 1, it is characterised in that: the bottom of described riser (5) and supporting plate (14) is respectively provided with magnetic sheet (7), described riser (5) and supporting plate (14) and is adsorbed on base (3) by magnetic sheet (7).
A kind of projector teaching aid the most according to claim 1, it is characterised in that:, the rear of LED lamp bead (13) upper at supporting plate (14) is additionally provided with fan (15), and described fan (15) is connected with the outfan of electronic circuit board (10).
A kind of projector teaching aid the most according to claim 1, it is characterised in that: described LED lamp bead (13) uses 5W large-power LED light bead.
A kind of projector teaching aid the most according to claim 1, it is characterised in that: described electronic circuit board (10) is connected formed by electric capacity, three terminal regulator LM317, variable resistance, fixed resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186763.4U CN205594948U (en) | 2016-03-11 | 2016-03-11 | Projecting apparatus teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186763.4U CN205594948U (en) | 2016-03-11 | 2016-03-11 | Projecting apparatus teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205594948U true CN205594948U (en) | 2016-09-21 |
Family
ID=56929402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620186763.4U Expired - Fee Related CN205594948U (en) | 2016-03-11 | 2016-03-11 | Projecting apparatus teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205594948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058482A (en) * | 2019-05-21 | 2019-07-26 | 成都极米科技股份有限公司 | Exhibition system and exhibiting method |
-
2016
- 2016-03-11 CN CN201620186763.4U patent/CN205594948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058482A (en) * | 2019-05-21 | 2019-07-26 | 成都极米科技股份有限公司 | Exhibition system and exhibiting method |
| CN110058482B (en) * | 2019-05-21 | 2024-03-08 | 成都极米科技股份有限公司 | Exhibition system and exhibition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20170311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |