CN201655266U - Projector with wireless communication function - Google Patents
Projector with wireless communication function Download PDFInfo
- Publication number
- CN201655266U CN201655266U CN2009202144789U CN200920214478U CN201655266U CN 201655266 U CN201655266 U CN 201655266U CN 2009202144789 U CN2009202144789 U CN 2009202144789U CN 200920214478 U CN200920214478 U CN 200920214478U CN 201655266 U CN201655266 U CN 201655266U
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- Prior art keywords
- projector
- wireless communication
- module
- control module
- wireless
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Projection Apparatus (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model provides a projector with wireless communication function which comprises a projector body as well as a wireless communication system arranged inside the projector and connected with the projector body; and the wireless communication system includes a control module as well as a wireless communication module and an input control module respectively connected with the control module. The projector with wireless communication function is provided with the wireless communication system which realizes the wireless communication between the projector and a multimedia device, leads the installation positions of the projector and the multimedia device to be more flexible, and leads multimedia playing to be simpler and more convenient; moreover, the projector with wireless communication function adopts three wireless communication ways including an infrared communication module, a Bluetooth communication module and a wireless communication module, and broadens the applicability of wireless communication of the projector. An input control module is arranged between the three wireless communication ways for selecting to run only one wireless module so as to save energies.
Description
Technical field
The utility model relates to a kind of projector, is specifically related to a kind of projector with wireless communication function.
Background technology
At present, the existing projector equipment that is absolutely necessary in the multimedia conferencing place, it is provided with the various interfaces that are applicable to the distinct device requirement, can connect various multimedia hardware equipment, its shortcoming is to need wired connection between existing projector and the multimedia equipment, and projector and multimedia equipment all need firm installation, the installation site of having limited to projector makes that the broadcast condition of projector is more harsh, and is easy inadequately.
The utility model content
The utility model provides a kind of projector with wireless communication function, can with the multimedia equipment wireless connections, the position that projector is installed is more flexible, operates easier.
For achieving the above object, the utility model provides a kind of projector with wireless communication function, and this projector comprises projector main body; It is characterized in that this projector also comprises and is arranged on projector inside and the wireless telecommunication system that is connected with projector main body; Described wireless telecommunication system comprises control module, and wireless communication module that is connected with control module respectively and input control module.
Above-mentioned control module also is connected with projector main body.
Above-mentioned wireless communication module comprises infrared-ray communication module, bluetooth communication module and the radiocommunication module that is connected with control module respectively; This wireless communication module and multimedia equipment are by wireless connections.
The projector that the utlity model has wireless communication function is compared with existing projector, its advantage is, the utility model projector is provided with wireless telecommunication system, the wireless telecommunications of projector and multimedia equipment have been realized, make the installation position of projector and multimedia equipment more flexible, make multimedia easier;
The utility model has adopted infrared-ray communication module, bluetooth communication module and three kinds of wireless communication modes of radiocommunication module, makes the applicability of projector wireless telecommunications more extensive;
Be provided with input control module between three kinds of wireless communication modes of the utility model, in order to select the wireless mode of operation, the same time only starts a kind of wireless module, saves the energy.
Description of drawings
Fig. 1 is the general structure sketch that the utlity model has the projector of wireless communication function;
Fig. 2 is the structural representation of wireless telecommunication system that the utlity model has the projector of wireless communication function.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
See also shown in Figure 1, the projector that the utlity model has wireless communication function comprises projector main body 1, projector main body 1 comprises mainboard, signal interface board, liquid crystal drive plate, working power and optical system, signal interface board is connected mainboard with the liquid crystal drive plate, the liquid crystal drive plate also is connected with optical system, and working power provides required working power to total system.
On the signal interface board scope of application that promotes projector, be provided with various interface, comprise VGA interface, DVI interface, S terminal, AV interface, HDMI interface, USB interface, RS-232 interface, RJ45 interface etc., multi-media signal inserts signal interface board, signal interface board comes out the r.g.b Signal Separation in the vision signal, after processing of circuit such as buffering, exporting, give mainboard; Mainboard comprises: signal processing circuit and control circuit two large divisions, the core of control circuit is exactly a main control microprocessor, main control microprocessor receives artificial operational order and exports the order that the various circuit of projector are specifically controlled, control circuit also comprises storer d/a in addition, the a/d transducer, complete machine Monitoring and Controlling etc.; Signal processing circuit is a signal that signal interface board is sent here through deciphering, and the processing that separation matrix etc. are concrete realizes that a series of adjustment such as brightness, contrast, colourity are then sending to the liquid crystal driving circuit; The liquid crystal drive plate transforms into the liquid crystal driving signal that exchanges ac to the video signal of bringing after handling through signal interface board and mainboard, the switch angle of each unit of control optical system, thus control the imaging that how much comes of light output quantity.
The power supply of projector has two parts: main working power and lamp working power.The main working power of projector is to the needed power supply of circuitry work, so the direct current dc power supply of a stable 300v-380v is the burning voltages of many groups with what guarantee that the lamp working power can operate as normal exports behind power circuit, with various needs of back level altogether; The lamp working power provides one tens kilovolts to twenties kilovolts startup high pressure to projection lamp, punctures two metallic element gases between the electricity level, is transferring normal power supply to then.
As shown in Figure 2, projector of the present utility model also comprises and is arranged on projector inside, and the wireless telecommunication system 2 that is connected with projector main body 1; Wireless telecommunication system 2 comprises control module 21, and wireless communication module 22 that is connected with control module 21 respectively and input control module 23.Control module 21 adopts the ATmega128 singlechip chip in the utility model; Input control module 23 adopts touch pad, is arranged on the projector fuselage, and touch pad comprises three kinds of model selections and wireless telecommunications start function button.
The singlechip chip of control module 21 also is connected with projector main body 1, picking out one road VGA interface by the signal interface board in the projector main body 1 is connected with control module 21, connect a VGA interface circuit on the ATmega128 singlechip chip and be connected with the VGA interface of projector main body 1, realization wireless telecommunication system 2 is set up with projector main body 1 and is communicated by letter.
Wireless communication module 22 comprises infrared-ray communication module, bluetooth communication module and the radiocommunication module that is connected with control module 21 respectively in the utility model; Described wireless communication module 22 and multimedia equipment 3 are connected by wireless mode.
The infrared-ray communication module comprises infrared transmitter circuit and infrared radiation receiving circuit, and infrared transtation mission circuit comprises parts such as pulse oscillator, triode and infrared transmitting tube.Wherein pulse oscillator is made up of NE555 timer, resistance and electric capacity, be used to produce the pulse train of 38kHz as carrier signal, the TSAL6238 that infrared transmitting tube HG selects for use Vishay company to produce, be used for outwards launching the infrared beam of 950nm, triode is sent and driven to serial data by the serial output terminal TXD of single-chip microcomputer, numerical digit " O " makes the triode conducting. and be modulated into the carrier signal of 38kHz by the multi-resonant oscillating circuit that has NE555 to constitute, and utilize infrared transmitting tube outwards to send with the form of light pulse.Numerical digit " 1 " is ended triode, and infrared transmitting tube is not launched infrared light; The special-purpose infrared receiving module TSOP1738 that infrared receiving circuit selects for use Vishay company to produce, is that the pulsed infrared light signal of 38kHz is converted to electric signal by infrared optical sensor with the carrier frequency that receives, and carries out processing and amplifying by prime amplifier and automatic gain control circuit again.Then, carry out filtering by bandpass filter, filtered signal carries out demodulation by demodulator circuit.At last, oppositely amplify output by output-stage circuit.
Bluetooth communication module adopts the ROK101007/1 bluetooth module, and it mainly comprises baseband controller, flash memory and radio-frequency module, and its radio-frequency module has PBA313 01/2 type Bluetooth RF circuit to realize that frequency range is 2.4GHz～2.5GHz.Radiocommunication module has adopted TR100400K narrow band data communication transceiver, is fit to high stable, small size, low-power consumption, short-distance wireless control cheaply and data transmission applications.
Its operation method is, start wireless telecommunication system 2 by touch-screen, and select required wireless module, corresponding wireless communication line is connected communication on wireless communication line by this module and the multimedia equipment 3, realize the wireless telecommunications of projector and multimedia equipment 3, the multimedia messages that is obtained projects formulation view field by projector main body 1 by its optical system.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (3)
1. projector with wireless communication function, this projector comprises projector main body (1); It is characterized in that this projector also comprises and is arranged on projector inside, the wireless telecommunication system (2) that is connected with projector main body (1); Described wireless telecommunication system (2) comprises control module (21), and wireless communication module (22) that is connected with control module (21) respectively and input control module (23).
2. the projector with wireless communication function as claimed in claim 1 is characterized in that, described control module (21) also is connected with projector main body (1).
3. the projector with wireless communication function as claimed in claim 1 is characterized in that, described wireless communication module (22) comprises infrared-ray communication module, bluetooth communication module and the radiocommunication module that is connected with control module (21) respectively; Described wireless communication module (22) and multimedia equipment (3) are by wireless connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202144789U CN201655266U (en) | 2009-11-30 | 2009-11-30 | Projector with wireless communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202144789U CN201655266U (en) | 2009-11-30 | 2009-11-30 | Projector with wireless communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655266U true CN201655266U (en) | 2010-11-24 |
Family
ID=43120510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202144789U Expired - Fee Related CN201655266U (en) | 2009-11-30 | 2009-11-30 | Projector with wireless communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655266U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104424794A (en) * | 2013-09-11 | 2015-03-18 | 深圳市云立方信息科技有限公司 | Data transmission device and data transmission method thereof |
| CN104808419A (en) * | 2015-03-17 | 2015-07-29 | 上海青葱网络科技有限公司 | Automobile projection communication method |
| CN106034212A (en) * | 2015-03-10 | 2016-10-19 | 深圳富泰宏精密工业有限公司 | Projection device, control device and wearable projection system |
| CN108562781A (en) * | 2018-04-28 | 2018-09-21 | 国网江苏省电力有限公司苏州供电分公司 | DC leakage-current test device |
| CN108594056A (en) * | 2018-04-28 | 2018-09-28 | 国网江苏省电力有限公司苏州供电分公司 | Arrester DC leakage-current test device |
-
2009
- 2009-11-30 CN CN2009202144789U patent/CN201655266U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104424794A (en) * | 2013-09-11 | 2015-03-18 | 深圳市云立方信息科技有限公司 | Data transmission device and data transmission method thereof |
| CN106034212A (en) * | 2015-03-10 | 2016-10-19 | 深圳富泰宏精密工业有限公司 | Projection device, control device and wearable projection system |
| CN104808419A (en) * | 2015-03-17 | 2015-07-29 | 上海青葱网络科技有限公司 | Automobile projection communication method |
| CN108562781A (en) * | 2018-04-28 | 2018-09-21 | 国网江苏省电力有限公司苏州供电分公司 | DC leakage-current test device |
| CN108594056A (en) * | 2018-04-28 | 2018-09-28 | 国网江苏省电力有限公司苏州供电分公司 | Arrester DC leakage-current test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20111130 |