CN203117628U - Special back projection type projector for teaching - Google Patents
Special back projection type projector for teaching Download PDFInfo
- Publication number
- CN203117628U CN203117628U CN 201220746516 CN201220746516U CN203117628U CN 203117628 U CN203117628 U CN 203117628U CN 201220746516 CN201220746516 CN 201220746516 CN 201220746516 U CN201220746516 U CN 201220746516U CN 203117628 U CN203117628 U CN 203117628U
- Authority
- CN
- China
- Prior art keywords
- projector
- projection type
- back projection
- teaching
- guide plate
- 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
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- Projection Apparatus (AREA)
Abstract
The utility model discloses a special back projection type projector for teaching, which comprises a projector, wherein a horizontal shading plate and an inclined shading plate are fixed above and below a lens of the projector respectively, the other ends of the horizontal shading plate and the inclined shading plate are fixedly connected with the upper and lower ends of a vertical guide plate respectively, and the lower part of the vertical guide plate is supported by a bracket. The special back projection type projector for teaching solves problems existing in the prior art that a shadow occurs easily and images projected by the projector can not be showed in the sunshine or in an environment with strong light through the shading plates and the guide plate. The special back projection type projector for teaching has the advantages of simple structure, convenient use and low cost.
Description
Technical field
The utility model relates to teaching porjector technology field, relates in particular to a kind of back projection type special-purpose projector of imparting knowledge to students.
Background technology
So-called teaching projector claims micro projector, teacher's projector, palm projector again, TRT-3M portable translucent machine, main by 3M LCOS RGB tricolor projection's ray machine and 720P sheet decoding technique, tradition huge projector's exquisitenessization, portability, microminiaturization, entertainment orientation, practicability, make shadow casting technique closeness to life and amusement more.The teaching projector of prior art in use is prone to shadow, in the sun or the picture of projector institute projection in the stronger environment of light can't manifest, need to improve.
The utility model content
The utility model purpose is exactly in order to remedy the defective of prior art, and a kind of back projection type simple in structure special-purpose projector of imparting knowledge to students is provided.
The utility model is achieved through the following technical solutions:
A kind of back projection type special-purpose projector of imparting knowledge to students, include projector, upper and lower at described projector camera lens fixedly has level shadow plate and inclination shadow shield respectively, the other end of level shadow plate and inclination shadow shield is fixedlyed connected the upper and lower end of a vertical light guide plate respectively, and stent support is passed through in the below of described vertical light guide plate.
Described projector is fixedly mounted on the metope.
The utility model has the advantages that: the utility model has solved by shadow shield and light guide plate and has been prone to shadow and in the sun or the picture of projector institute projection in the stronger environment of the light problem that can't manifest in the prior art, simple in structure, easy to use, cost is low.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of back projection type special-purpose projector of imparting knowledge to students, include projector 1, upper and lower at described projector 1 camera lens 2 fixedly has level shadow plate 3 and inclination shadow shield 4 respectively, the other end of level shadow plate 3 and inclination shadow shield 4 is fixedlyed connected the upper and lower end of a vertical light guide plate 5 respectively, and the below of described vertical light guide plate 5 is supported by support 6.
Described projector 1 is fixedly mounted on the metope 7.
Claims (2)
1. a back projection type special-purpose projector of imparting knowledge to students, it is characterized in that: include projector, upper and lower at described projector camera lens fixedly has level shadow plate and inclination shadow shield respectively, the other end of level shadow plate and inclination shadow shield is fixedlyed connected the upper and lower end of a vertical light guide plate respectively, and stent support is passed through in the below of described vertical light guide plate.
2. the back projection type according to claim 1 special-purpose projector of imparting knowledge to students, it is characterized in that: described projector is fixedly mounted on the metope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746516 CN203117628U (en) | 2012-12-31 | 2012-12-31 | Special back projection type projector for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746516 CN203117628U (en) | 2012-12-31 | 2012-12-31 | Special back projection type projector for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117628U true CN203117628U (en) | 2013-08-07 |
Family
ID=48897958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746516 Expired - Fee Related CN203117628U (en) | 2012-12-31 | 2012-12-31 | Special back projection type projector for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203117628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318812A (en) * | 2014-10-10 | 2015-01-28 | 西安理工大学 | View projection demonstrator |
-
2012
- 2012-12-31 CN CN 201220746516 patent/CN203117628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318812A (en) * | 2014-10-10 | 2015-01-28 | 西安理工大学 | View projection demonstrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20131231 |