CN201262786Y - Portable multimedia demonstration device - Google Patents
Portable multimedia demonstration device Download PDFInfo
- Publication number
- CN201262786Y CN201262786Y CNU2008200423256U CN200820042325U CN201262786Y CN 201262786 Y CN201262786 Y CN 201262786Y CN U2008200423256 U CNU2008200423256 U CN U2008200423256U CN 200820042325 U CN200820042325 U CN 200820042325U CN 201262786 Y CN201262786 Y CN 201262786Y
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- Prior art keywords
- portable multimedia
- projector
- case lid
- projection
- multimedia presentation
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Abstract
The utility model discloses a portable multimedia demonstration device, comprising a box body, a box cover, a projector, a digital display device, a power supply interface and a multimedia input interface, and the portable multimedia demonstration device further comprises a projection reflection mirror for reflecting a projection image of the projector. The portable multimedia demonstration device has the advantages that the box body and the box cover are made of engineering plastic materials, thereby being beautiful, light, insulating, safe and easy to carry; a digital lens and a telescopic arm are movably connected with the box body, when in use, the two do not need to be removed, when in carry, the two can be folded in the box body, the digital lens and the telescopic arm do not need to be stored additionally, so that the use is very convenient; the projection angle of the projector can be dual-regulated through a projector elevation angle regulating device and a projection reflection mirror regulating device, thereby facilitating the use of operators; and the projection effect with near distance and large image can be realized by the reflection of the projection reflection mirror, thereby greatly enhancing the teaching demonstration effect.
Description
Technical field
The utility model relates to a kind of multimedia electrical teaching exhibiting device, relates in particular to a kind of portable multimedia presentation device.
Background technology
Along with science and technology development, the occasion that the mode of employing multimedia electronic teaching or employing multimedia presentation is carried out various meetings, teaching is more and more general, people wish to use easily the multimedia presentation equipment of multiple dispersion, and multimedia integrated equipment volume is little, in light weight, little power consumption, function is complete, cost is low, be easy to carry.For achieving the above object, China's utility model patent 200520030765.6 instructionss disclose a kind of multimedia teaching apparatus, it has casing, casing adopts aluminium plastic material to make, the casing top is the exhibition booth, the top, exhibition booth is provided with camera head, on the exhibition booth, be provided with fixed orifice, fixed orifice is used to install the adjustable support of camera head, in casing, be provided with projector and voice playing device, be provided with audio frequency, vision signal, power supply input, output plughole and function switch in the side of casing, also be provided with handle at the opposite side of casing.
Above-mentioned the deficiencies in the prior art part is: casing adopts aluminium plastic material to make, though alleviate to some extent than the weight of metal material, but still heavier, be unfavorable for carrying; Camera head and adjustable support thereof are positioned at the casing outside, dismounting trouble when not only at every turn using, and camera head and support thereof also will be deposited separately, and be very inconvenient; Projector's projection angle is fixed, and can only could adjust projection angle by mobile box, uses inconvenience; Casing seals and cooling system is not set, and a large amount of heats that multimedia equipment distributes usually cause temperature too high in closed box, uses for a long time or in summer, influences the usability of multimedia equipment, and even breaks down, and shortens service life of equipment.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of improved portable multimedia presentation device is provided.
The technical solution of the utility model is as follows: a kind of portable multimedia presentation device, comprise casing, case lid, projector's erecting device, power interface, multimedia input interface, and also comprise the projection catoptron, be used for the projection image of reflective projection machine.
Described projection catoptron is installed in described case lid inboard, is provided with angle regulator between described projection catoptron and the described case lid plane.
Described angle regulator comprises rotating shaft, support bar.
Comprise the digital code exhibiting device in the described casing, described digital code exhibiting device comprises digital camera lens, sway brace.
Described projector erecting device is arranged on the bottom surface of described casing.
Described projector erecting device is arranged on the side of described casing.
Described projector erecting device is a supporting plate, and described supporting plate comprises projector's angle regulating device, projector's fixed orifice.
Described angle regulating device is rotating shaft.
Described case lid plane is divided into interconnective two parts up and down, and wherein the top case lid can overturn and be folded in the outside of lower part case lid.
Described casing is provided with power amplifier, audio amplifier, handle, and described casing, case lid are made by engineering plastics, and described multimedia input interface comprises microphone input, VGA input, audio frequency input, video input interface.
The beneficial effect that the utility model compared with prior art has is:
1, casing, case lid adopt engineering plastic materials to make, and light, insulation safety attractive in appearance, are easy to carry;
2, digital camera lens, sway brace and casing flexibly connect, needn't dismounting during use, and the collapsible box house that places when carrying, digital camera lens, sway brace need not to deposit separately, use very convenient;
3, projector's projection angle can pass through angle regulating device, projection catoptron regulating device dual regulation, is convenient to the operator and uses.
4, the reflection by the projection catoptron can realize the closely drop shadow effect of big picture, strengthens the teaching bandwagon effect greatly.
5, multimedia interface is complete, possesses power amplifier, audio amplifier, further strengthens multimedia show function and effect.
When 6, using, case lid is opened, and casing opens wide, and has improved the operating ambient temperature of multimedia equipment greatly, guarantees that multimedia equipment is long-time or in the usability in summer, and the equipment failure of avoiding high temperature to cause prolongs serviceable life of multimedia equipment.
7, because the case lid of opening can block the viewing effect that is sitting near the spectators of case lid, adopt the case lid plane to be divided into interconnective two parts up and down, can the overturn technical scheme in the outside that is folded in the lower part case lid of top case lid, improve above-mentioned spectators' viewing effect, be convenient to simultaneously exchanging of operator and spectators more.
Description of drawings:
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 2 structural representations;
Fig. 3 is the structural representation of the utility model upset case lid;
Fig. 4 is the utility model projection mirror angle regulating device structural representation.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Embodiment 1: a kind of as shown in Figure 1 portable multimedia presentation device, comprise casing 1, case lid 2, projector's erecting device, power interface 5, multimedia input interface 4, and also comprise projection catoptron 6, be used for the projection image of reflective projection machine.Projector's erecting device comprises supporting plate 13, rotating shaft 12, projector's fixed orifice 3.During use, projector is placed on the supporting plate 13, fixing by fixed orifice 3, rotating shaft 12 is used to regulate the projector elevation angle, rotating shaft 12 is two parts in relative rotation, and a part is connected with supporting plate 13, and a part is connected with casing 1 bottom surface, reflection by the projection catoptron can realize the closely drop shadow effect of big picture, strengthens the teaching bandwagon effect greatly.Be provided with the digital code exhibiting device in the case lid 2, the digital code exhibiting device comprises digital camera lens 7, sway brace 8, and digital camera lens 7, sway brace 8 flexibly connect with case lid 2, needn't dismounting during use, collapsible casing 1 inside that places when carrying, digital camera lens 7, sway brace 8 need not to deposit separately, use very convenient.Casing 1 is provided with power amplifier 9, audio amplifier 10, handle 11, and casing 1, case lid 2 are made by engineering plastics, light, insulation safety attractive in appearance, is easy to carry.Multimedia input interface 4 comprises microphone input, VGA input, audio frequency input, video input interface, and multimedia interface is complete, possesses power amplifier, audio amplifier, further strengthens multimedia show function and effect.During use, case lid 2 is opened, and casing 1 opens wide, and has improved the operating ambient temperature of multimedia equipment greatly, guarantees that multimedia equipment is long-time or in the usability in summer, and the equipment failure of avoiding high temperature to cause prolongs serviceable life of multimedia equipment.
As shown in Figure 4, projection catoptron 2 angle regulators comprise rotating shaft 3, support bar 1, projection catoptron 2 is connected with support bar 1, rotating shaft 3 is two parts in relative rotation, a part is connected with support bar 1, a part is connected with the case lid plane, regulates the angle of projection catoptron 2 by the rotation of rotating shaft 3.Projector's projection angle is convenient to the operator and is used by angle regulating device, projection catoptron regulating device dual regulation.
Embodiment 2: as shown in Figure 2, its difference from Example 1 is that rotating shaft 2 is two parts in relative rotation, and a part is connected with supporting plate 1, and a part is connected with the casing side, regulates the projector elevation angle by rotating shaft 2.
Embodiment 3: shown in Fig. 1,3, its difference from Example 1 is that case lid 2 planes are divided into interconnective two parts up and down, and wherein the top case lid can overturn by rotating shaft 14 and be folded in the outside of lower part case lid.Improve the viewing effect that is sitting near the spectators case lid 2, be convenient to exchanging of operator and spectators simultaneously more.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection domain of the utility model requirement.
Claims (10)
1. a portable multimedia presentation device comprises casing, case lid, projector's erecting device, power interface, multimedia input interface, it is characterized in that also comprising the projection catoptron, is used for the projection image of reflective projection machine.
2. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projection catoptron is installed in described case lid inboard, is provided with angle regulator between described projection catoptron and the described case lid plane.
3. a kind of portable multimedia presentation device according to claim 2 is characterized in that described angle regulator comprises rotating shaft, support bar.
4. a kind of portable multimedia presentation device according to claim 1 is characterized in that comprising in the described casing digital code exhibiting device, and described digital code exhibiting device comprises digital camera lens, sway brace.
5. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is arranged on the bottom surface of described casing.
6. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is arranged on the side of described casing.
7. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is a supporting plate, and described supporting plate comprises projector's angle regulating device, projector's fixed orifice.
8. a kind of portable multimedia presentation device according to claim 7 is characterized in that described angle regulating device is rotating shaft.
9. a kind of portable multimedia presentation device according to claim 1 is characterized in that described case lid plane is divided into interconnective two parts up and down, and wherein the top case lid can overturn and be folded in the outside of lower part case lid.
10. a kind of portable multimedia presentation device according to claim 1, it is characterized in that described casing is provided with power amplifier, audio amplifier, handle, described casing, case lid are made by engineering plastics, and described multimedia input interface comprises microphone input, VGA input, audio frequency input, video input interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200423256U CN201262786Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200423256U CN201262786Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262786Y true CN201262786Y (en) | 2009-06-24 |
Family
ID=40809262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200423256U Expired - Fee Related CN201262786Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262786Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration device |
| CN102708714A (en) * | 2012-05-18 | 2012-10-03 | 陈龙 | Multimedia integrated digital classroom |
| CN102956123A (en) * | 2011-08-25 | 2013-03-06 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
-
2008
- 2008-08-06 CN CNU2008200423256U patent/CN201262786Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration device |
| CN102956123A (en) * | 2011-08-25 | 2013-03-06 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
| CN102956123B (en) * | 2011-08-25 | 2015-06-03 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
| CN102708714A (en) * | 2012-05-18 | 2012-10-03 | 陈龙 | Multimedia integrated digital classroom |
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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: 20090624 Termination date: 20140806 |
|
| EXPY | Termination of patent right or utility model |