Wireless interaction optical projection system
Technical field
The utility model relates to audio-visual devices field, more precisely relates to a kind of wireless interaction optical projection system.
Background technology
Along with the progress of human society and scientific and technical development, people also improve day by day to the requirement of sci-tech product, not only wish multi-functional, high integration, the features such as convenience, the attributes such as user's experience and interactive experience also become the developing direction of sci-tech product, projector equipment is as audio-visual devices, its audio-visual devices relatively backlight has many advantages, often be used in cinema, meeting room, the public places such as lecture theater, interactively projector equipment is experienced and favored by people owing to having man-machine interaction, there is in the use limitation in interactive projector equipment in the market, existing equipment interface is single, generally only has VGA, the wireline interfaces such as HDMI, wireless data cannot be realized mutual, mobile phone, the mobile devices such as IPAD cannot be connected with projector, general interactive projector equipment is only supported Windows system, the mobile device that Android and Mac system are installed cannot be attached thereto.
Chinese patent CN10153971A, a kind of interactive projector equipment, open day on September 23rd, 2009, the invention provides the miniature interactive projector equipment of a kind of projection and imaging optical path partial common, interactive projector equipment comprises projecting cell, interactive information converting unit, respectively with projecting cell and the two-way data processing module being connected of interactive information converting unit, and with the two-way external interface being connected of data processing module, also comprise: light path separates adjustment unit, the projected image that projecting cell can either be sent converges and projects projection screen, can gather again the light signal that interactive information input block sends and be sent to interactive information converting unit, the invention has the advantages that, interactive projector equipment is simply compact, easy to carryly meet " the projection at any time of hand-held interactive projector equipment completely, mutual at any time " requirement, but this invention belongs to traditional interactive projector equipment, interface is single, do not possess radio function.
As can be seen here, still Shortcomings of current projector equipment, exists and promotes room for improvement.
In view of the deficiency of current projector equipment existence, the design people is based on being engaged in this type of product design manufacture for many years, long-pending have abundant professional knowledge and practical experience, consults pertinent literature and audio-visual devices innovation example, actively innovation research in addition, to designing a kind of novel interactive projector equipment, can improve current projector equipment, make it have more competitiveness and practicality, through constantly studying, designing, and after repeatedly studying sample and improving, finally create the utility model of true tool use value.
Summary of the invention
Technical problem underlying to be solved in the utility model is, overcome the deficiency that current projector equipment exists, and provide a kind of wireless interaction optical projection system, overcome current projector equipment interface single, can not expand the problem of interface and use wave point, a kind of wireless interaction projector equipment that possesses wireless telecommunications is provided, overcome current projector equipment operating system single, the problem of the wireless device that matches limitation, provide a kind of Android of being provided with system can with the mobile device of the multiple operating system wireless interaction projector equipment being connected that matches.
The utility model solves its technical problem underlying and is achieved through the following technical solutions, according to the wireless interaction optical projection system the utility model proposes, wireless interaction optical projection system comprises wireless interaction projector equipment, infrared pen and mobile device, wireless interaction projector equipment comprises Android master control borad, projector module, infrared camera and communication module, Android master control borad respectively with projector module, infrared camera, communication module realizes electricity and connects, communication module is passed through AirPlay, DLNA, Miracast wireless communication technique is connected with mobile device, the infrared light spot that the infrared pen of infrared camera charge capture sends, 940nm infrared LED and touch-switch are equipped with in infrared front, in the time that infrared pen is put to metope, touch-switch is opened, LED sends 940nm infrared light, 940nm optical filter is installed in the camera lens front of infrared camera, visible ray is filtered, only have the infrared light of 940nm wavelength can enter camera lens, captured by the CCD in infrared camera, what send due to infrared pen is the infrared light of 940nm, so infrared camera can only capture the light that infrared pen sends, mobile device is Android, the mobile phone of Mac or Windows operating system or panel computer, support AirPlay, DLNA, Miracast wireless communication function.
Communication module in interactive projector equipment is passed through AirPlay, DLNA, the technology such as Miracast are connected with mobile device, receive the image on mobile device, image converted to the data layout that projection module can receive on Android master control borad and send projection module to, projection module projects the image passing over from Android master control borad, an infrared camera is installed on projection lens side, an arrowband 940nm optical filter is equipped with in infrared camera inside, this optical filter can only pass through the infrared light of 940nm wavelength, shielding visible ray, the infrared LED of a touch-switch and 940nm is housed before infrared pen, trigger switch in the time of pen contact wall, LED sends infrared light, the field range of infrared camera is arranged to overlap with projector projects field range in software, each pixel in the corresponding projection image of each pixel in camera photographic images, the picture that camera captures in the time that infrared pen is lighted in camera field range is to have a white point in the background of black, camera sends this image to Android master control borad, Android master control borad carries out image processing after receiving the picture signal that camera transmits, adopt threshold values filter method that the interference sections in image is filtered out, only leave the hickie that infrared pen presents.Hickie is carried out to closed operation, try to achieve the centre coordinate of hickie, coordinate in the centre coordinate of hickie in image and projected image is thought to correspondence, draw infrared pen corresponding coordinate on mobile device screen this moment, Android master control borad sends infrared coordinate signal and operational order to mobile device in real time by communication module to carry out with mobile device alternately.
Wireless interaction optical projection system described in the utility model, the beneficial effect of its generation is: adopt the Android master control borad that Android operating system is installed, this master control borad connects communication module and passes through AirPlay, DLNA, the mobile device of Miracast wireless technology and several operation systems is connected, picture on mobile device can be cast out, mutual projection program is also installed on Android master control borad, coordinate infrared camera and infrared remote control pen to use and can make projector and mobile device real-time, interactive, can the operation of capture operation person on projected picture, and by operational feedback to mobile device, make operator and mobile device can realize content exchange, promote the practicality of projector, increase the user's that knows clearly operating experience.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present utility model.
Fig. 2 is the relative position rough schematic of embodiment of the present utility model.
Description of reference numerals: 1, wireless interaction projector equipment; 2, infrared pen; 3, mobile device; 4, Android master control borad; 5, projector module; 6, infrared camera; 7, communication module.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.
Refer to shown in Fig. 1 to Fig. 2, wireless interaction optical projection system of the present utility model, wireless interaction optical projection system comprises wireless interaction projector equipment 1, infrared pen 2 and mobile device 3, wireless interaction projector equipment 1 comprises Android master control borad 4, projector module 5, infrared camera 6 and communication module 7, Android master control borad 4 respectively with projector module 5, infrared camera 6, communication module 7 realizes electricity and connects, communication module 7 is passed through AirPlay, DLNA, Miracast wireless communication technique is connected with mobile device 3, the infrared pen of infrared camera 6 charge captures 2 infrared light spots that send, 940nm infrared LED and touch-switch are equipped with in infrared pen 2 fronts, in the time that infrared pen is put to metope, touch-switch is opened, LED sends 940nm infrared light, 940nm optical filter is installed in the camera lens front of infrared camera 6, visible ray is filtered, only have the infrared light of 940nm wavelength can enter camera lens, captured by the CCD in infrared camera 6, what send due to infrared pen 2 is the infrared light of 940nm, so infrared camera 6 can only capture infrared pen 2 light that send, mobile device 3 is Android, the mobile phone of Mac or Windows operating system or panel computer, support AirPlay, DLNA, Miracast wireless communication function.
Wireless interaction projector equipment can also be made an independent Andorid master control borad, separates with projector, is connected with any projector by general-purpose interface.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong to the scope of technical solutions of the utility model.