CN102819327A - Interactive projection system of infrared positioning wireless control and realizing method thereof - Google Patents
Interactive projection system of infrared positioning wireless control and realizing method thereof Download PDFInfo
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- CN102819327A CN102819327A CN201210261053XA CN201210261053A CN102819327A CN 102819327 A CN102819327 A CN 102819327A CN 201210261053X A CN201210261053X A CN 201210261053XA CN 201210261053 A CN201210261053 A CN 201210261053A CN 102819327 A CN102819327 A CN 102819327A
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Abstract
The invention relates to an interactive projection system of infrared positioning wireless control and a realizing method of the interactive projection system. An infrared control pen comprises a battery, an infrared light emitting diode, a wireless fidelity (wifi) module and a key component. An infrared camera component comprises an infrared receiving element, a wifi module and a central control chip. A computer is connected with a projector. The infrared light emitting diode, the infrared camera component and the infrared receiving element are in the same plane and are wirelessly connected. Infrared lightspot images projected from a projection area by the infrared emitting diode are collected and received by an infrared camera. A wifi module of the infrared control pen is wirelessly connected with the wifi module of the infrared camera component. The infrared camera component is connected with the computer. By facing a projection screen to operate the infrared control pen, the on-off control to files of a computer host is realized, the picture drawing and marking operations are realized, and the manual identifying input function is realized. The interactive projection system disclosed by the invention has the advantages of low cost, convenience in movement and simple structure.
Description
Technical field
The present invention relates to a kind ofly to demonstrate at the scene, teaching, business meetings, news is performed in a radio or TV programme, the meteorologic analysis aspect is used the wireless interactive projection system of controlling in infrared location and its implementation.
Background technology
At present interactive electric whiteboard and shadow casting technique have replaced traditional blackboard gradually, become the important tool of education, training etc., demonstrate at the scene, teaching, business meetings, news are performed in a radio or TV programme, meteorologic analysis etc. is used widely.But it is loaded down with trivial details, inconvenient that this technology and equipment layout are got up, and receiving restrictions such as place, environment can not move flexibly, costs an arm and a leg or the like to be popularized in colony of domestic consumer.Thereby need design the interactive projection system that a kind of cost is low, equipment simple, conveniently move.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art and provide that a kind of cost is low, conveniently moving, the wireless interactive projection system of controlling in infrared location and its implementation simple in structure.
Method of the present invention is achieved in that
The wireless interactive projection system of controlling in a kind of infrared location; Comprise that infrared ray controls pen, infrared pick-up assembly, computing machine, projector and projection screen five parts; Its middle infrared (Mid-IR) is controlled pen and is comprised battery, infrared light-emitting diode, wifi module and button assembly; The infrared pick-up assembly comprises infrared pick-up head, wifi module and middle control chip, and it is characterized in that: computing machine is connected with projector through circuit; Infrared ray is controlled the infrared light-emitting diode of pen and the infrared receiver component of infrared pick-up head is in a plane and wireless connections, and infrarede emitting diode can be received by the collection of infrared pick-up head to the infrared ray bright spot image of view field's projection; Infrared ray is controlled the wifi module of pen and the wifi module of infrared pick-up assembly is passed through the wifi wireless connections, and the infrared pick-up assembly is connected with computing machine through the USB connecting line.
The battery that infrared ray is controlled pen is used to infrared ray and controls each parts of pen sufficient power supply is provided; Infrarede emitting diode is used to launch infrared bright spot at projection screen, forms the infrared brightness dot image; The button assembly that infrared ray is controlled pen comprises shift knob, correcting key button, left button right button button; The wifi module that infrared ray is controlled pen is used to send the actuation of keys signal of button assembly; Left button right button button replaces mouse realization right and left key to click, double-click and drag and lead function; The correcting key button is used for the computer display angle point and view field's angle point is done initialization at once; Play the fixing effect of confirming, all button operations are all controlled pen aligning view field through infrared ray and are carried out.
It is other assembly power supplies of this equipment that the infrared pick-up assembly inserts computing machine through the USB connecting line; The infrared camera of infrared pick-up assembly is used to gather infrared ray and controls infrared brightness dot image and the positional information of pen on projection screen; And send to computing machine through the wifi module of infrared pick-up assembly; The middle control chip of infrared pick-up assembly is used for that infrared ray is controlled the actuation of keys incident that the wifi module of pen sends to be analyzed, handles; Send corresponding order and program, computing machine execution of command operations through the wifi module to computing machine; Data and the infrared ray that the wifi module of infrared pick-up assembly is used for receiving the infrared camera collection control that pen wifi module sends the actuation of keys signal, the data after simultaneously the data of camera collection and middle control chip being handled send to computing machine through the wifi module.
Computing machine is used for the image information of infrared camera collection is analyzed and handled; The coordinate position of computer display each point and the relative coordinate position of view field are calculated and change; The information that infrared camera is collected through computing machine; Form with cursor of mouse simulates on computer display, and the user is when writing, and computer software is through contrast front-back direction coordinate; Simulate infrared ray and control the motion track image of pen, deposit content the typing of in computer realization computword through converting.
Projector is to the image of projection screen projection computer display and moving of cursor; Projection screen be common curtain, metope, blank any one.
The interactive projection system implementation method that a kind of infrared location is wireless to be controlled is characterized in that: comprise following step:
Step 1), startup computing machine, projector, infrared ray are controlled pen, infrared pick-up assembly;
Step 2), the computing machine position coordinates of accurately orienting cursor with computer desktop be divided into upper right, bottom right, a left side down, upper left four angle points and center origin; Cursor of mouse is fixed on the center origin position as initial position with the cruciform sign; And project on the projection screen, the prompting user controls pen through infrared ray and proofreaies and correct affirmation;
Step 3), user open infrared ray and control pen, and the tracking cross of centering adjustment initial point is pressed correcting key, and computing machine converses the center origin position of view field, then successively to upper right, bottom right, a left side down, upper left four angle points proofread and correct affirmation;
Step 4), computing machine converse the position coordinates that each point of projection in zone corresponds to each point on the computer display according to five points after proofreading and correct;
Step 5), user aim at view field and move infrared ray and control pen, and infrared camera is caught infrared ray and controlled the track that pen moves and carry out acquisition and recording and send to computing machine;
Step 6), computing machine receive and analyze and handle from the data of infrared camera collection and through computing machine; New coordinate position and coordinate position are before compared; Identify infrared ray and control movement locus and the direction of pen on projection screen, the form that infrared bright spot is converted into cursor simulates corresponding cursor position and motion track on computer display;
Step 7), projector are to the image of projection screen projection computer desktop and moving of cursor;
Step 8), user click or double-click infrared ray facing to the virtual desktop on the projection screen as required and control the built-in right and left key with mouse right and left key function of pen, realize breaking away from the purpose of mouse action computer; The user is when writing, and computing machine simulates the motion track image that infrared ray is controlled pen through contrast front-back direction coordinate, deposits content the typing of in computer realization computword through converting.
Characteristics of the present invention and good effect are following: native system is for the convenience of the user in demonstration, when explanation, controls pen through infrared ray and aims at simulation desktop icons that view field shows and double-click, click etc. and just can replace the operation of mouse to file in the main frame.Simultaneously, control pen through infrared ray and can on projection screen, realize operations such as noncontact is drawn at a distance, note, emphasis prompting.Compare with existing interactive electric whiteboard, have low, the portable advantage of cost, more flexible, more convenient.Because all operations all are to control pen through small and exquisite infrared ray, accomplish facing to projection screen, therefore, the speaker does not receive the restriction of locus, and the far distance controlled computing machine can be realized writing, operation such as mark.
Description of drawings
Fig. 1 is the structural drawing of the wireless interactive projection system of controlling in infrared location of the present invention.
Fig. 2 is the wireless interactive projection system implementation method operational flowchart of controlling in infrared location of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 1: the wireless interactive projection system of controlling in a kind of infrared location comprises that infrared ray controls pen 1 (hereinafter to be referred as the infrared pen of controlling), infrared pick-up assembly 2, computing machine 3, projector 4 and projection screen 5 (perhaps being projection screen).The wherein infrared pen 1 of controlling comprises battery 9, infrared light-emitting diode 7, wifi module 6 and button assembly 8, and infrared pick-up assembly 2 comprises infrared pick-up head 11, wifi module 10 and middle control chip 12.
Computing machine 3 is connected with projector 4 through circuit; The infrared infrared receiver component of controlling pen 1 infrared light-emitting diode 7 and infrared pick-up head 11 is in a plane and wireless connections, and infrarede emitting diode 7 can be gathered by infrared pick-up head 11 to the infrared ray bright spot image of view field's projection and receive; Infrared ray is controlled the wifi module 6 of pen 1 and is passed through the wifi wireless connections with the wifi module 10 of infrared pick-up assembly 2, and infrared pick-up assembly 2 is connected with computing machine 3 through the USB connecting line.
The described infrared pen 1 of controlling comprises battery 9, infrarede emitting diode 7, wifi module 6 and button assembly 8.Battery 9 is used to infrared pen 1 each parts of controlling sufficient power supply is provided; Infrarede emitting diode 7 is used to launch infrared bright spot at projection screen 5, forms the infrared brightness dot image; Wifi module 6 is used to send the actuation of keys signal; Right and left key can replace mouse realization right and left key to click, double-click and drag and lead function; Correcting key is used for the computer display angle point and view field's angle point is done initialization at once; Play the fixing effect of confirming, all button operations all carry out through the infrared pen aligning view field that controls.
Described infrared pick-up assembly 2 comprises infrared camera 11, wifi module 10 and middle control chip 12.Infrared camera 11 is used to gather infraredly controls infrared brightness dot image and the positional information of pen 1 on projection screen, and sends to computing machine through the wifi module 10 of infrared pick-up assembly 2; Middle control chip 12 is used for the actuation of keys incident that the infrared wifi module 6 of controlling pen 1 is sent is analyzed, handled, and sends to computing machine through camera assembly 2 terminal wifi modules 10 and orders and program the computing machine execution of command operations accordingly; Wifi module 10 is used for receiving the actuation of keys signal that data that infrared camera 1 gathers and infrared control that pen 1 wifi module 6 sends, and the data after data of simultaneously camera 11 being gathered and middle control chip 12 are handled send to computing machine 3 through wifi module 10.
Computing machine 3 is used for the image information of infrared camera collection is analyzed and handled; The coordinate position of computer display each point and the relative coordinate position of view field are calculated and change; The information that can infrared camera 11 be collected through the computer-internal process software simulates on computer display with the form of cursor of mouse.The user is when writing, and computing machine simulates the infrared motion track image of controlling pen 1 through contrast front-back direction coordinate, deposits content the typing of in computer realization computword through converting.
Described projector 4 is to the image of projection screen 5 projection computer displays and moving of cursor.Described projection screen 5 be common curtain, metope, blank etc. any one.
Interactive projection system implementation method as shown in Figure 2, that a kind of infrared location is wireless to be controlled comprises following step:
Step 1), startup operation computing machine, projector, infrared pen, the infrared pick-up assembly controlled;
Step 2), computing machine for the position coordinates of accurately orienting cursor with computer desktop be divided into upper right, bottom right, a left side down, upper left four angle points and center origin; Cursor of mouse is fixed on the center origin position as initial position with criss-cross sign; And project on the projection screen, the prompting user proofreaies and correct affirmation through the infrared pen of controlling;
Step 3), user open the infrared pen of controlling, and the tracking cross of centering adjustment initial point is pressed correcting key, and computing machine converses the center origin position of view field like this, then successively to upper right, bottom right, a left side down, upper left four angle points proofread and correct affirmation;
Step 4), computing machine just can converse the position coordinates that each point of projection in zone corresponds to each point on the computer display according to five points after proofreading and correct;
Step 5), user aim at view field and move the infrared pen of controlling, and infrared camera is caught the infrared mobile track of pen of controlling and carried out acquisition and recording and send to computing machine;
Step 6), computing machine receive and analyze and handle from the data of infrared camera collection and through computing machine; New coordinate position and coordinate position are before compared; Identify infrared movement locus and the direction of pen on projection screen of controlling, the form that infrared bright spot is converted into cursor simulates corresponding cursor position and motion track on computer display;
Step 7), projector are to the image of projection screen projection computer desktop and moving of cursor;
Step 8), user click or double-click the infrared built-in right and left key with mouse right and left key function of pen of controlling facing to the virtual desktop on the projection screen as required, realize breaking away from the purpose of mouse action computer.The user is when writing, and computing machine simulates the infrared motion track image of controlling pen through contrast front-back direction coordinate, deposits content the typing of in computer realization computword through converting.
In sum, the present invention operates facing to projection screen through an infrared pen of controlling at lower cost, just can realize that handwriting recognition typing, mouse right and left key are clicked, double-click function.The restriction that has broken away from mouse, keyboard, it is interactive to make that speaker and audience can realize more directly, more efficiently, and cost is low, can be accepted by vast domestic consumer.Therefore, the present invention has very big developing market.
Claims (6)
1. wireless interactive projection system of controlling in infrared location; Comprise that infrared ray controls pen, infrared pick-up assembly, computing machine, projector and projection screen; Its middle infrared (Mid-IR) is controlled pen and is comprised battery, infrared light-emitting diode, wifi module and button assembly; The infrared pick-up assembly comprises infrared pick-up head, wifi module and middle control chip, and it is characterized in that: computing machine is connected with projector through circuit; Infrared ray is controlled the infrared light-emitting diode of pen and the infrared receiver component of infrared pick-up head is in a plane and wireless connections, and infrarede emitting diode can be received by the collection of infrared pick-up head as the infrared ray bright spot image of view field's projection; Infrared ray is controlled the wifi module of pen and the wifi module of infrared pick-up assembly is passed through the wifi wireless connections, and the infrared pick-up assembly is connected with computing machine through the USB connecting line.
2. the wireless interactive projection system of controlling in infrared location as claimed in claim 1 is characterized in that: the battery that infrared ray is controlled pen is used to infrared ray and controls each parts of pen sufficient power supply is provided; Infrarede emitting diode is used to launch infrared bright spot at projection screen, forms the infrared brightness dot image; The button assembly that infrared ray is controlled pen comprises shift knob, correcting key button, left button right button button; The wifi module that infrared ray is controlled pen is used to send the actuation of keys signal of button assembly; Left button right button button replaces mouse realization right and left key to click, double-click and drag and lead function; The correcting key button is used for the computer display angle point and view field's angle point is done initialization at once; Play the fixing effect of confirming, all button operations are all controlled pen aligning view field through infrared ray and are carried out.
3. the wireless interactive projection system of controlling in infrared location as claimed in claim 1; It is characterized in that: it is other assembly power supplies of this equipment that the infrared pick-up assembly inserts computing machine through the USB connecting line; The infrared camera of infrared pick-up assembly is used to gather infrared ray and controls infrared brightness dot image and the positional information of pen on projection screen; And send to computing machine through the wifi module of infrared pick-up assembly; The middle control chip of infrared pick-up assembly is used for that infrared ray is controlled the actuation of keys incident that the wifi module of pen sends to be analyzed, handles, and sends corresponding order and program, computing machine execution of command operations through the wifi module to computing machine; Data and the infrared ray that the wifi module of infrared pick-up assembly is used for receiving the infrared camera collection control that pen wifi module sends the actuation of keys signal, the data after simultaneously the data of camera collection and middle control chip being handled send to computing machine through the wifi module.
4. the wireless interactive projection system of controlling in infrared location as claimed in claim 1; It is characterized in that: computing machine is used for the image information of infrared camera collection is analyzed and handled; The coordinate position of computer display each point and the relative coordinate position of view field are calculated and change, and the information that infrared camera is collected through computing machine simulates on computer display with the form of cursor of mouse; The user is when writing; Computer software simulates the motion track image that infrared ray is controlled pen through contrast front-back direction coordinate, deposits content the typing of in computer realization computword through converting.
5. the wireless interactive projection system of controlling in infrared location as claimed in claim 1 is characterized in that: projector is to the image of projection screen projection computer display and moving of cursor; Projection screen be common curtain, metope, blank any one.
6. wireless interactive projection system implementation method of controlling in infrared location is characterized in that: comprise following step:
Step 1), startup computing machine, projector, infrared ray are controlled pen, infrared pick-up assembly;
Step 2), the computing machine position coordinates of accurately orienting cursor with computer desktop be divided into upper right, bottom right, a left side down, upper left four angle points and center origin; Cursor of mouse is fixed on the center origin position as initial position with criss-cross sign; And project on the projection screen, the prompting user controls pen through infrared ray and proofreaies and correct affirmation;
Step 3), user open infrared ray and control pen, and the tracking cross of centering adjustment initial point is pressed correcting key, and computing machine converses the center origin position of view field, then successively to upper right, bottom right, a left side down, upper left four angle points proofread and correct affirmation;
Step 4), computing machine converse the position coordinates that each point of projection in zone corresponds to each point on the computer display according to five points after proofreading and correct;
Step 5), user aim at view field and move infrared ray and control pen, and infrared camera is caught infrared ray and controlled the track that pen moves and carry out acquisition and recording and send to computing machine;
Step 6), computing machine receive and analyze and handle from the data of infrared camera collection and through computing machine; New coordinate position and coordinate position are before compared; Identify infrared ray and control movement locus and the direction of pen on projection screen, the form that infrared bright spot is converted into cursor simulates corresponding cursor position and motion track on computer display;
Step 7), projector are to the image of projection screen projection computer desktop and moving of cursor;
Step 8), user click or double-click infrared ray facing to the virtual desktop on the projection screen as required and control the built-in right and left key with mouse right and left key function of pen, realize breaking away from the purpose of mouse action computer; The user is when writing, and computing machine simulates the motion track image that infrared ray is controlled pen through contrast front-back direction coordinate, deposits content the typing of in computer realization computword through converting.
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| CN103631401A (en) * | 2013-11-04 | 2014-03-12 | 南京信息职业技术学院 | Portable interactive projection equipment and method |
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| CN104866120A (en) * | 2015-06-10 | 2015-08-26 | 沈阳工业大学 | Multimedia projection system of wearable intelligent ring |
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| CN111385619A (en) * | 2018-12-28 | 2020-07-07 | 宏正自动科技股份有限公司 | Video interaction system |
| CN111385619B (en) * | 2018-12-28 | 2022-02-25 | 宏正自动科技股份有限公司 | Video interaction system |
| CN110033655A (en) * | 2019-05-13 | 2019-07-19 | 安庆师范大学 | A kind of projection writing method and its system based on laser pen |
| CN111552393A (en) * | 2020-05-09 | 2020-08-18 | 扬州哈工科创机器人研究院有限公司 | Multimedia conference screen control method and system |
| CN113946238A (en) * | 2021-10-15 | 2022-01-18 | 北京京东方技术开发有限公司 | Display and method for operating display by using infrared rays |
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Application publication date: 20121212 |