CN202217402U - All-purpose projector - Google Patents
All-purpose projector Download PDFInfo
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- CN202217402U CN202217402U CN2011202788552U CN201120278855U CN202217402U CN 202217402 U CN202217402 U CN 202217402U CN 2011202788552 U CN2011202788552 U CN 2011202788552U CN 201120278855 U CN201120278855 U CN 201120278855U CN 202217402 U CN202217402 U CN 202217402U
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Abstract
An all-purpose projector comprises a casing and a control panel, wherein a surface of the casing is provided with a lens hole, a focusing hole, a sound amplifying hole, heat dissipation holes, a whiteboard inducting hole, an infrared receiving window, and an I/O (Input/Output) interface, and the casing is also provided with a short-focus projection module, a computer module, a central control module, an AV (Audio/Video) processing module, an audio amplifying module, a 2.4GHz audio wireless transmission module, an interactive electronic whiteboard module, a USB (Universal Serial Bus) amplifying module, a heat dissipation module and a power supply module therein. The all-purpose projector of the utility model is designed integrally, thus when lifted by a lifting frame, the one all-purpose projector can realize all functions of a multimedia classroom; through the I/O interface arranged at a back side of the casing, the all-purpose projector can input and output various A/V signals and VGA (Video Graphics Array) signals; and through the USB amplifying module, the all-purpose projector also can be conveniently connected with various USB external equipments to extend functions. Therefore, the all-purpose projector of the utility model has the advantages of small size, complete functions, simple operation, and strong practicality, and is suitable for use in occasions such as education trainings, conference demonstrations, and so on.
Description
One, technical field
The utility model relates to a kind of multi-media classroom equipment, particularly relates to a kind of use that is used to lift, and has computing machine, can carry out mutual blank teaching, has the wireless public address system of 2.4GHz, the all-round projector of short out-of-focus projection function.
Two, background technology
In the education sector, along with the development of computing machine and infotech, multimedia teaching is universal day by day as a kind of advanced person's teaching means in modern times.All kinds of education and training units; All building multi-media classroom or multifunctional hall; Traditional construction scheme is to be equipped with equipment such as projector, computing machine, projection screen, video disc player, power amplifier, audio amplifier, wireless microphone, reaches sound, image, the synchronous teaching efficiency of literal.
All adopt separate equipment in traditional multimedia classroom construction scheme, each functions of the equipments is single, needs between equipment and the equipment be connected and could use mutually, has caused in the installation complicacy, and need construct connects up could use; In the use, because various device does not have method of operating together, a complete set of equipment could be normally used in the training that makes the user of service enter; In management, because traditional multimedia teaching equipment is placed in the open classroom, the personnel at all levels passes in and out complicacy, and gently then gadget such as keyboard, mouse is stolen, and is heavy then main frame is stolen, makes school administrator be pestered beyond endurance and increases the weight of school finance and bear.
Three, utility model content
The purpose of the utility model is to propose a kind of integrated traditional multi-media classroom equipment, but advantages of small volume, and multiple functional integrated all-round projector effectively solves above-mentioned construction, use and the managerial problem of traditional multimedia classroom construction scheme.
The content of the utility model is: a kind of all-round projector; Comprise casing and control panel; Surface of shell is provided with camera aperture, focusing hole, the hole that amplifies, louvre, blank sensing hole, infrared receiving window, IO interface, is provided with short out-of-focus projection module, computer module, central control module, audio frequency and video processing module, audio frequency amplification module, 2.4GHz audio wireless transport module, interactive electric whiteboard module, USB amplification module, radiating module, power module in the housing.This utility model is the integrated design, and adopts the suspension bracket lifting to use, all functions that all can projector just realize multi-media classroom.Through the IO interface at housing rear, can import and export various audio frequency and video, VGA signal; Through the USB amplification module, can connect various USB external equipment expanded functions easily.This utility model body machine is small and exquisite, multiple functional, simple to operate, practical, is adapted at occasions such as educational training, meeting demonstration and uses.
Product inner function module: short out-of-focus projection module, computer module, central control module, audio frequency and video processing module, audio frequency amplification module, 2.4GHz audio wireless transport module, interactive electric whiteboard module, USB amplification module, radiating module, power module.Sidewall is provided with the interactive electric whiteboard receiver module in casing the place ahead, and infrared receiving module is provided with megaphone and interface module at the rear wall of casing, is provided with the lifting fixed screw holes at the casing top.
The functional module that device external is supporting: control panel, IR remote controller, 2.4G ANTENNAUDIO transmitter module, interactive electric whiteboard transmitter module, Wireless Keyboard, wireless mouse.
Described all-round projector is except that the supporting control panel in outside, IR remote controller, 2.4G ANTENNAUDIO transmitter module, interactive electric whiteboard transmitter module, Wireless Keyboard, six functional units of wireless mouse; All the other modules all are contained in the inside of same casing; Complete machine is the integrated design, and one of lifting all can projector apparatus just can realize demonstration, the playing function of multi-media classroom in multi-media classroom.
Described short out-of-focus projection module is the projection module with short focal length projecting function.
Described computer module contains computer main frame panel, and is installed in central processing unit, internal memory, hard disk, radio keyboard mouse receiver on the computer main frame panel.
Described projection module and computer module are dispelled the heat by different radiating mechanism respectively, guarantee heat dispersion separately when each module is worked.
The thin film switch formula control panel of described embedded central control module that all can projector be provided with and external band interface function constitutes central control system; Can through thin film switch formula control panel realize all can projector a key open with a key and close; Controlling different Voice & Video signals switches; The size of control sound is controlled the independent switch of inner projection module, the independent switch of control computer module with restart.
Described all can projector can through infrared device realize all can projector a key open with a key and close; Controlling different Voice & Video signals switches; The size of control sound is controlled the independent switch of inner projection module, the independent switch of control computer module with restart.
Describedly all can projector can carry out Long-distance Control through the TCP/IP mixed-media network modules mixed-media; Realize all can projector remote opening, close; The Voice & Video signal that Long-distance Control is different switches, the size of control sound; The independent switch of the inner projection module of Long-distance Control, the independent switch of remote control computer module with restart, and can monitor the ruuning situation of each module.
Analogue audio frequency is imported in the outside to described DSP audio frequency and video processing module and the vision signal real time codec is employed digital audio and video signals of computer module and VGA signal.
Described 2.4GHz ANTENNAUDIO receiver module adopts the 2.4GHz digital transmission technology; Be used to receive digital wireless signal from the 2.4GHz ANTENNAUDIO transmitter module emission of outside; And transmit signals to DSP audio frequency and video processing module, be simulated audio signal by DSP audio frequency and video processing module with digital signal decoding.
Described audio power amplification module carries out power amplification with simulated audio signal, with the megaphone of the rear sidewall device that drives casing.
Describedly all can be provided with the USB amplification module in projector inside; Can usb signal be driven and amplify; Can use 50 meters USB extended line and can not cause the usb signal decay; Using under 50 meters the situation of USB extended line, connecting the normal transmission effect that USB2.0 camera, USB2.0 portable hard drive can reach the USB2.0 interface.
Describedly all can be provided with a high power switching power supply in projector inside, can give interior each functional module power supply simultaneously.
The described interactive electric whiteboard receiver module that all can projector's casing the place ahead sidewall be provided with is formed interactive electric whiteboard system with outside interactive electric whiteboard transmitter module; Can control computer module through the interactive electric whiteboard transmitter module, can on white wall, projection screen, ordinary white clipboard, write and will write in real time the result arbitrarily and be incident upon on the projection reverberation.
Described interface module includes audio frequency IO interface, video IO interface, VGA signal input output interface, microphone input interface, USB interface, network interface, printing interface, serial port, 2.4GHz wireless antenna feeder line interface.
Described all can have the lifting fixed screw holes in the projector top, can cooperate with the omnipotent suspension bracket of projector, all can projector be lifted on wall, the ceiling.
Described rear wall that all can projector's casing is provided with fresh air inlet; Right side wall is provided with the computer module radiator fan; The casing front side wall is provided with the projection module radiator fan, forms forced-ventilated wind-cooling heat dissipating system through fresh air inlet and radiator fan, can guarantee the long-term stable operation of all-round projector.
Described fresh air inlet that all can projector has detachable sponge air filter, prevents that dust from getting into interior.
The beneficial effect of the utility model is following:
1, multi-functional design, equipment replace equipment such as the projector, computing machine, power amplifier, audio amplifier, wireless microphone in traditional classroom.
2, use simply, key ON/OFF formula operation, the back button of switching on gets final product switching on and shutting down.Total system is used Wireless Keyboard/mouse or the control of USB keyboard/mouse, and the meeting computer on-off just can not need carry out special training can be used, and is fit to common teacher and uses.
3, adopt fixedly that suspension bracket is lifted on wall or the ceiling, can effectively solve the theft protection for devices problem.
4, having solved traditional multi-media classroom teacher says and puts courseware, the teaching pattern that the student only sees and listens.The utility model has adopted interactive electric whiteboard, wireless mouse keyboard, and teacher can carry out interactive learning with the student with being intended to walking about in the classroom.
Four, description of drawings
Accompanying drawing 1 is this practical external form part structural drawing.
Figure number explanation: 1: casing.2: the projection module louvre.3: the computer module louvre.4: the power supply heat sinking hole.5: the projection module louvre.6: infrared receiving window.7: the interactive electric whiteboard receiver window.8: the projector lens hole.9: projector focus adjustment hole.
Accompanying drawing 2 is the internal circuit composition frame chart of the utility model.
Five, embodiment
Below will combine accompanying drawing that the embodiment of the utility model is described.
As shown in Figure 1:
All can projector comprise casing 1, the preceding bottom of casing 1 is provided with projector focus adjustment hole 9.Front side wall is provided with projection module louvre 5, infrared receiving window 6, interactive electric whiteboard receiver window 7 and projector lens hole 8, and left side wall is provided with projection module louvre 2, computer module louvre 3 and power supply heat sinking hole 4.
As shown in Figure 2:
1) the all-round projector apparatus sound signal of the utility model is from 2.4GHz ANTENNAUDIO transmitter module 1; Be sent to 2.4GHz ANTENNAUDIO receiver module 2 through wireless mode; Be sent to DSP audio frequency and video processing module 3, be sent to computer module 4, be sent to embedded central control module 5; Be sent to audio power amplification module 17, be sent to megaphone 16.
2) the utility model all can be sent to interactive electric whiteboard transmitter module 12 through wireless mode by supporting interactive electric whiteboard transmitter module 11 signals of projector apparatus; Be sent to computer module 4; Be sent to embedded central control module 5, be sent to projection module 6.
3) the utility model all can be sent to wireless mouse keyboard receiver module 9 with wireless mouse 8 signals through wireless mode by the supporting Wireless Keyboard 7 of projector apparatus; Be sent to USB amplifier module 10; Be sent to computer module 4, be sent to embedded central control module 5, be sent to projection module 6.
4) control signal that the utility model all can projector apparatus is sent to interface board module 18 from versatile interface panel diaphragm type CS 15 and is sent to embedded central control module 5; Sound signal is by computer module 4; Be sent to embedded central control module 5; Be sent to audio power amplification module 17, be sent to megaphone 16.
5) the utility model all can the projector apparatus external audio frequency be sent to interface board module 15 and be sent to audio power amplification module 17, is sent to megaphone 16.
6) control signal that the utility model all can projector apparatus is sent to telepilot receiver module 14 from telepilot transmitter module 13 through wireless mode, is sent to embedded central control module 5 again.
Claims (18)
1. one kind is used for the all-round projector that the suspension bracket lifting is used; Contain casing, control panel; Principal character is: be provided with short out-of-focus projection module, computer module, embedded central control module, DSP audio frequency and video processing module, audio power amplification module, 2.4GHz ANTENNAUDIO receiver module, USB amplification module, radiating module, power module in interior; Sidewall is provided with interactive electric whiteboard receiver module and infrared receiving module in casing the place ahead; Sidewall is provided with louvre in the both sides of casing; Below casing, be provided with the projection lens regulator, sidewall is provided with megaphone and interface module at the rear of casing, in the outside supporting functional module of casing control panel, IR remote controller, 2.4G ANTENNAUDIO transmitter module, interactive electric whiteboard transmitter module, Wireless Keyboard, wireless mouse is arranged.
2. all-round projector according to claim 1 is characterized in that: the use-pattern of described all-round projector is the lift-on/lift-off type use.
3. all-round projector according to claim 1; It is characterized in that: described all-round projector is except that the supporting control panel in outside, IR remote controller, 2.4G ANTENNAUDIO transmitter module, interactive electric whiteboard transmitter module, Wireless Keyboard, six functional units of wireless mouse; All the other modules all are contained in the inside of same casing; Complete machine is the integrated design, and one of lifting all can projector apparatus just can realize demonstration, the playing function of multi-media classroom in multi-media classroom.
4. all-round projector according to claim 1, it is characterized in that: described computer module contains computer main frame panel, and is installed in central processing unit, internal memory, hard disk, radio keyboard mouse receiver on the computer main frame panel.
5. all-round projector according to claim 1, it is characterized in that: described projection module and computer module are dispelled the heat by different radiating mechanism respectively, guarantee heat dispersion separately when each module is worked.
6. all-round projector according to claim 1; It is characterized in that: the thin film switch formula control panel of described embedded central control module that all can projector be provided with and external band interface function constitutes central control system; Can realize that a key of all-round projector is opened and a key closes through thin film switch formula control panel, control different Voice & Video signal switchings, control the size of sound; Control the independent switch of inner projection module, the independent switch of control computer module with restart.
7. all-round projector according to claim 1; It is characterized in that: described all can projector can through infrared device realize all can projector a key open with a key and close; Controlling different Voice & Video signals switches; The size of control sound is controlled the independent switch of inner projection module, the independent switch of control computer module with restart.
8. according to the described all-round projector of claim 1; It is characterized in that: describedly all can projector can carry out Long-distance Control through the TCP/IP mixed-media network modules mixed-media; Realize all-round projector remote opening, close, the Voice & Video signal that Long-distance Control is different switches, the size of control sound, the independent switch of Long-distance Control inside projection module; The independent switch of remote control computer module with restart, and can monitor the ruuning situation of each module.
9. all-round projector according to claim 1, it is characterized in that: analogue audio frequency is imported in the outside to described DSP audio frequency and video processing module and the vision signal real time codec is employed digital audio and video signals of computer module and VGA signal.
10. all-round projector according to claim 1; It is characterized in that: described 2.4GHz ANTENNAUDIO receiver module adopts the 2.4GHz digital transmission technology; Be used to receive digital wireless signal from the 2.4GHz ANTENNAUDIO transmitter module emission of outside; And transmit signals to DSP audio frequency and video processing module, be simulated audio signal by DSP audio frequency and video processing module with digital signal decoding.
11. all-round projector according to claim 1, it is characterized in that: described audio power amplification module carries out power amplification with simulated audio signal, with the megaphone of the rear sidewall device that drives casing.
12. all-round projector according to claim 1; It is characterized in that: describedly all can be provided with the USB amplification module in projector inside; Can usb signal be driven and amplify; Can use 50 meters USB extended line and can not cause usb signal decay, use under 50 meters the situation of USB extended line, connect the normal transmission effect that USB2.0 camera, USB2.0 portable hard drive can reach the USB2.0 interface.
13. all-round projector according to claim 1 is characterized in that: describedly all can be provided with a high power switching power supply in projector inside, supply power for simultaneously each functional module of interior.
14. according to the described all-round projector of claim 1; It is characterized in that: the described interactive electric whiteboard receiver module that all can projector's casing the place ahead sidewall be provided with is formed interactive electric whiteboard system with outside interactive electric whiteboard transmitter module; Can control computer module through the interactive electric whiteboard transmitter module, can on white wall, projection screen, ordinary white clipboard, write and will write in real time the result arbitrarily and be incident upon on the projection reverberation.
15. all-round projector according to claim 1, it is characterized in that: described interface module includes audio frequency IO interface, video IO interface, VGA signal input output interface, microphone input interface, USB interface, network interface, printing interface, serial port, 2.4GHz wireless antenna feeder line interface.
16. according to the described all-round projector of claim 1, it is characterized in that: described all can have the lifting fixed screw holes in the projector top, can cooperate with the omnipotent suspension bracket of projector, all can projector be lifted on wall, the ceiling.
17. according to the described all-round projector of claim 1; It is characterized in that: described rear wall that all can projector's casing is provided with fresh air inlet; Right side wall is provided with the computer module radiator fan; The casing front side wall is provided with the projection module radiator fan, forms forced-ventilated wind-cooling heat dissipating system through fresh air inlet and radiator fan.
18. according to the described all-round projector of claim 1, it is characterized in that: described fresh air inlet that all can projector has detachable sponge air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202788552U CN202217402U (en) | 2011-07-28 | 2011-07-28 | All-purpose projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202788552U CN202217402U (en) | 2011-07-28 | 2011-07-28 | All-purpose projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217402U true CN202217402U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202788552U Expired - Fee Related CN202217402U (en) | 2011-07-28 | 2011-07-28 | All-purpose projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217402U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945623A (en) * | 2012-11-20 | 2013-02-27 | 东北农业大学 | Computer multimedia distance education and training teaching device |
| CN104157173A (en) * | 2014-08-22 | 2014-11-19 | 北京博宇昊业多媒体科技有限公司 | Multimedia mobile player |
| CN105182663A (en) * | 2015-09-30 | 2015-12-23 | 明基电通有限公司 | Control method for projection apparatus and projection apparatus |
| CN105245807A (en) * | 2015-10-30 | 2016-01-13 | 成都市极米科技有限公司 | Built-in sound box projection equipment and sound box control method |
| CN105788376A (en) * | 2016-04-03 | 2016-07-20 | 合肥博雷电子信息技术有限公司 | Multimedia playing device for classrooms |
| CN107734368A (en) * | 2017-10-12 | 2018-02-23 | 沈辉 | A kind of digital movie multifunctional projector |
| CN107910027A (en) * | 2017-10-11 | 2018-04-13 | 侯翠侠 | A kind of digital movie distribution transport unit load devices |
-
2011
- 2011-07-28 CN CN2011202788552U patent/CN202217402U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945623A (en) * | 2012-11-20 | 2013-02-27 | 东北农业大学 | Computer multimedia distance education and training teaching device |
| CN104157173A (en) * | 2014-08-22 | 2014-11-19 | 北京博宇昊业多媒体科技有限公司 | Multimedia mobile player |
| CN105182663A (en) * | 2015-09-30 | 2015-12-23 | 明基电通有限公司 | Control method for projection apparatus and projection apparatus |
| CN105182663B (en) * | 2015-09-30 | 2017-01-11 | 明基电通有限公司 | Control method for projection apparatus and projection apparatus |
| CN105245807A (en) * | 2015-10-30 | 2016-01-13 | 成都市极米科技有限公司 | Built-in sound box projection equipment and sound box control method |
| CN105788376A (en) * | 2016-04-03 | 2016-07-20 | 合肥博雷电子信息技术有限公司 | Multimedia playing device for classrooms |
| CN107910027A (en) * | 2017-10-11 | 2018-04-13 | 侯翠侠 | A kind of digital movie distribution transport unit load devices |
| CN107734368A (en) * | 2017-10-12 | 2018-02-23 | 沈辉 | A kind of digital movie multifunctional projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JI'AN YINGJIA ELECTRONIC TECHNOLOGY CO., LTD. Assignor: Liu Lin|Xie Shuiyuan Contract record no.: 2014360000090 Denomination of utility model: All-purpose projector Granted publication date: 20120509 License type: Exclusive License Record date: 20140604 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |