CN204650786U - A kind of teaching electronic whiteboard with video play device - Google Patents
A kind of teaching electronic whiteboard with video play device Download PDFInfo
- Publication number
- CN204650786U CN204650786U CN201520301410.XU CN201520301410U CN204650786U CN 204650786 U CN204650786 U CN 204650786U CN 201520301410 U CN201520301410 U CN 201520301410U CN 204650786 U CN204650786 U CN 204650786U
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- China
- Prior art keywords
- electronic whiteboard
- video play
- play device
- layer
- projector
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of teaching electronic whiteboard with video play device, comprise electronic whiteboard body, projection screen, infrared laser light source, video play device and projector, described projection screen comprises three layers, is respectively projection rete, rigid substrate layer, grating layer and anti-glare layer; Described rigid substrate layer is PVC board or PC plate or acrylic board; Described projector comprises a housing, a lighting device, a photo engine imaging device and for the electrostatic precipitation plate of attract dust, described lighting device and described photo engine imaging device are arranged on described housing bottom, described housing upper is provided with a vent port, described housing bottom is provided with an air admission hole; Described electrostatic precipitation plate is arranged in described projector by clamping close device, and is arranged on the housing bottom of described air admission hole side, and the utility model structure is simple, and easy to use, video display effect is good.
Description
Technical field
The utility model relates to technical field of media, particularly relates to a kind of teaching electronic whiteboard with video play device.
Background technology
At present, the virtual teaching electronic whiteboard of photoelectricity, when coordinating projector and PC, utilizes electronics light pen or electronic teacher pointer to write, achieves multimedia teaching, thus improve quality of instruction.The electronic whiteboard of the infrared light pen of prior art, the implementation procedure of electronic whiteboard body is: the image unit that CMOS forms catches the light spot image that infrared light pen sends, deliver in signal processor and process, then deliver in the middle of personal computer and hot spot physical location and screen coordinate are overlapped, thus just can realize the functions such as mark, character calligraph of punctuating as mouse with light pen.Sometimes student needs to play relevant instructional video, visually and is acoustically all taken exercise, makes student touch how better teaching material.
At present, the teaching electronic whiteboard with video play device that a kind of result of broadcast is good is lacked.
Utility model content
Technical problem to be solved in the utility model is to provide the good teaching electronic whiteboard with video play device of a kind of result of broadcast.
To achieve these goals, the utility model is achieved through the following technical solutions: the utility model provides a kind of teaching electronic whiteboard with video play device, comprise electronic whiteboard body, projection screen, infrared laser light source, video play device and projector
Described projection screen comprises four layers, is respectively projection rete, rigid substrate layer, grating layer and anti-glare layer; Described rigid substrate layer is PVC board or PC plate or acrylic board;
Described projector comprises a housing, a lighting device, a photo engine imaging device and for the electrostatic precipitation plate of attract dust, described lighting device and described photo engine imaging device are arranged on described housing bottom, described housing upper is provided with a vent port, described housing bottom is provided with an air admission hole; Described electrostatic precipitation plate is arranged in described projector by clamping close device, and is arranged on the housing bottom of described air admission hole side, is provided with interval between described electrostatic precipitation plate and described housing bottom; Described snap-in structure comprises through hole and connecting link, described through hole and connecting link suitable; Described through hole is connected with connecting link grafting;
Described infrared laser light source is arranged on projection screen top; Described video play device is connected with projector by electric connection line;
Described video play device, the video playback module, storage unit and the wireless network card that comprise control module module and be connected with control module module respectively, described control module module is electrically connected with the receiving element circuit can supporting wireless network card, and this receiving element circuit is connected with wireless network card.
Further, described video play device also comprises warning device, and described warning device is connected with control module module.
Further, described electronic whiteboard body also comprises white board marker, the outer wall of described electronic whiteboard body has a groove, and the top of described groove is provided with the lid suitable with groove, and described white board marker is arranged in described groove.
Further, multiple light-emitting component is provided with in described white board marker.
Further, described grating layer comprise transparent transmitting substrate and ink layer two-layer, described ink layer be horizontal uniform intervals be distributed in described transparent transmitting substrate.
Further, described ink layer is perpendicular to the front side surface of described projection rete.
Beneficial effect: the utility model structure is simple, easy to use, reasonable in design, video display effect is good, and eye brain combines, and makes life from the sense of hearing and visually can be taken exercise.Using finger or other opaque articles to operate, making user without the need to using light pen and teacher's pointer, only use finger just can realize the functions such as character calligraph, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of projection screen in the utility model.
Wherein: 1 electronic whiteboard body; 2 projection screens; 201 projection retes; 202 rigid substrate layer; 203 grating layers; 204 anti-glare layers; 3 infrared laser light sources; 4 video play devices; 5 projectors.
Embodiment
Below in conjunction with Figure of description, the utility model is described further.
As shown in Figure 1 to Figure 2, the utility model provides a kind of teaching electronic whiteboard with video play device, comprises electronic whiteboard body 1, projection screen 2, infrared laser light source 3, video play device 4 and projector 5,
Described projection screen 2 comprises four layers, is respectively projection rete 201, rigid substrate layer 202, grating layer 203 and anti-glare layer 204; Described rigid substrate layer 202 is PVC board or PC plate or acrylic board;
Described projector 5 comprises a housing, a lighting device, a photo engine imaging device and for the electrostatic precipitation plate of attract dust, described lighting device and described photo engine imaging device are arranged on described housing bottom, described housing upper is provided with a vent port, described housing bottom is provided with an air admission hole; Described electrostatic precipitation plate is arranged in described projector by clamping close device, and is arranged on the housing bottom of described air admission hole side, is provided with interval between described electrostatic precipitation plate and described housing bottom; Described snap-in structure comprises through hole and connecting link, described through hole and connecting link suitable; Described through hole is connected with connecting link grafting;
Described infrared laser light source 3 is arranged on projection screen top; Described video play device is connected with projector by electric connection line;
Described video play device 4, the video playback module, storage unit and the wireless network card that comprise control module module and be connected with control module module respectively, described control module module is electrically connected with the receiving element circuit can supporting wireless network card, and this receiving element circuit is connected with wireless network card.
Described video play device 4 also comprises warning device, and described warning device is connected with control module module.
Described electronic whiteboard body 1 also comprises white board marker, the outer wall of described electronic whiteboard body 1 has a groove, and the top of described groove is provided with the lid suitable with groove, and described white board marker is arranged in described groove.Multiple light-emitting component is provided with in described white board marker.
Described grating layer 203 comprise transparent transmitting substrate and ink layer two-layer, described ink layer be horizontal uniform intervals be distributed in described transparent transmitting substrate.
Described ink layer is perpendicular to the front side surface of described projection rete.
The utility model structure is simple, easy to use, reasonable in design, and video display effect is good, and eye brain combines, and makes life from the sense of hearing and visually can be taken exercise.Using finger or other opaque articles to operate, making user without the need to using light pen and teacher's pointer, only use finger just can realize the functions such as character calligraph, improve Consumer's Experience.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. with a teaching electronic whiteboard for video play device, it is characterized in that: comprise electronic whiteboard body, projection screen, infrared laser light source, video play device and projector,
Described projection screen comprises four layers, is respectively projection rete, rigid substrate layer, grating layer and anti-glare layer; Described rigid substrate layer is PVC board or PC plate or acrylic board;
Described projector comprises a housing, a lighting device, a photo engine imaging device and for the electrostatic precipitation plate of attract dust, described lighting device and described photo engine imaging device are arranged on described housing bottom, described housing upper is provided with a vent port, described housing bottom is provided with an air admission hole; Described electrostatic precipitation plate is arranged in described projector by clamping close device, and is arranged on the housing bottom of described air admission hole side, is provided with interval between described electrostatic precipitation plate and described housing bottom; Described snap-in structure comprises through hole and connecting link, described through hole and connecting link suitable; Described through hole is connected with connecting link grafting;
Described infrared laser light source is arranged on projection screen top; Described video play device is connected with projector by electric connection line;
Described video play device, the video playback module, storage unit and the wireless network card that comprise control module module and be connected with control module module respectively, described control module module is electrically connected with the receiving element circuit can supporting wireless network card, and this receiving element circuit is connected with wireless network card.
2. the teaching electronic whiteboard with video play device according to claim 1, it is characterized in that: described video play device also comprises warning device, described warning device is connected with control module module.
3. the teaching electronic whiteboard with video play device according to claim 1, it is characterized in that: described electronic whiteboard body also comprises white board marker, the outer wall of described electronic whiteboard body has a groove, the top of described groove is provided with the lid suitable with groove, and described white board marker is arranged in described groove.
4. the teaching electronic whiteboard with video play device according to claim 3, is characterized in that: be provided with multiple light-emitting component in described white board marker.
5. the teaching electronic whiteboard with video play device according to claim 1, is characterized in that: described grating layer comprise transparent transmitting substrate and ink layer two-layer, described ink layer be horizontal uniform intervals be distributed in described transparent transmitting substrate.
6. the teaching electronic whiteboard with video play device according to claim 5, is characterized in that: described ink layer is perpendicular to the front side surface of described projection rete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301410.XU CN204650786U (en) | 2015-05-07 | 2015-05-07 | A kind of teaching electronic whiteboard with video play device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520301410.XU CN204650786U (en) | 2015-05-07 | 2015-05-07 | A kind of teaching electronic whiteboard with video play device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204650786U true CN204650786U (en) | 2015-09-16 |
Family
ID=54103505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520301410.XU Expired - Fee Related CN204650786U (en) | 2015-05-07 | 2015-05-07 | A kind of teaching electronic whiteboard with video play device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204650786U (en) |
-
2015
- 2015-05-07 CN CN201520301410.XU patent/CN204650786U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20170507 |