CN201207125Y - Projection adaptor - Google Patents
Projection adaptor Download PDFInfo
- Publication number
- CN201207125Y CN201207125Y CNU2008200479800U CN200820047980U CN201207125Y CN 201207125 Y CN201207125 Y CN 201207125Y CN U2008200479800 U CNU2008200479800 U CN U2008200479800U CN 200820047980 U CN200820047980 U CN 200820047980U CN 201207125 Y CN201207125 Y CN 201207125Y
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- module
- microcontroller
- interface
- housing
- projector
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- Expired - Fee Related
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- 230000005236 sound signal Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a projection adapter, comprising a shell inside which a circuit board is arranged, a microcontroller arranged on the circuit board, a power supply module which supplies electric power to the microcontroller, a video output module connected with the microcontroller, a WIFI module which is connected with an antenna and inputs signals to the microcontroller, and a memorizer connected with the microcontroller. The projection adapter can wirelessly receive image information from a computer and transmit the image information to a projector, thus providing convenience for people to use a projector in speeches.
Description
Technical field
The utility model relates to a kind of utility appliance of projector, specifically, relates to the projection adapter.
Background technology
Along with popularizing of projector, people use the projection equipment of projector as occasions such as meeting, teaching, training, commercial affairs interchanges more.Existing projector need pass through video signal cable, be connected with computing machine as the VGA connecting line, the image information of receiving computer output, and the image information that receives is projected on the projection screen after treatment, convenient many people watch the needs of computing machine display text and image jointly.
But because existing projector need be connected with computing machine by video signal cable, the distance that computing machine and projector are placed is subjected to the restriction of vision signal line length, is not easy to people computing machine is placed on from projector place use far away.
And, the data storage of use is in computing machine separately if a plurality of speakers will give a lecture separately, then when using projector, each speaker need be given a lecture on document copying to a computing machine that uses, perhaps the switching on and shutting down that projector is carried out are repeatedly operated, so that video signal cable is connected to each computing machine respectively, this brings very big inconvenience to the speaker.
Simultaneously, existing computing machine, especially notebook computer are provided with WIFI (Wireless Fidelity) module mostly, realize the computer radio online, transmit various information with wireless mode.
Summary of the invention
Fundamental purpose of the present utility model provides the projection adapter that a kind of speaker of convenience uses projector.
For realizing above-mentioned fundamental purpose, the projection adapter that the utility model provides comprises housing, one circuit board is set in housing, this circuit board is provided with microcontroller, power module to the microcontroller power supply, the video output module that is connected with microcontroller, to microcontroller input information and the WIFI module that is connected with antenna, and the storer that is connected with microcontroller.
When using the projection adapter, can carry out wireless telecommunications by the WIFI module of WIFI module and computing machine, the image information that receiving computer sends, and image information is sent to the microcontroller processing.Simultaneously, the video output module is connected with projector, and needs the image of projection to projector output.
Like this, microcontroller receives the information of WIFI module input and after treatment, and the image information of needs projection is sent to the video output module, and the video output module is sent to projector with image information, and projector can be with image projection to projection screen.
This shows, the speaker only need start the WIFI module of computing machine when speech, the WIFI module wireless connections of itself and projection adapter are got final product, do not need the data of needs speech is duplicated or with computing machine and operations such as video signal cable is connected, made things convenient for the speaker to use.In addition, because computing machine and projection adapter be by the wireless mode communication, the placement location of computing machine is not subjected to the restriction of vision signal line length, makes things convenient for the speaker to use.
Description of drawings
Fig. 1 is the stereographic map of the utility model projection adapter embodiment;
Fig. 2 is the stereographic map at another visual angle of the utility model projection adapter embodiment;
Fig. 3 is the schematic block circuit diagram of the utility model projection adapter embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 1, the projection adapter has a housing 1, is provided with the antennal interface (not shown) on housing 1, and antenna 2 is installed on the antennal interface, can carry out wireless telecommunications with the WIFI module of computing machine.On the outer wall of housing 1, be provided with infrared ray receiving port 3, cable network pilot lamp 4, wireless network pilot lamp 5 and power light 6.Wherein, infrared ray receiving port 3 is used to receive the infrared signal that equipment such as telepilot send, whether cable network pilot lamp 4 can indicate cable network to connect, wireless network pilot lamp 5 can be indicated whether reception good of wireless network signal, power light 6 then be used to indicate the projection adapter whether with power connection, the state that the speaker can pass through cable network pilot lamp 4, wireless network pilot lamp 5 and power light 6 is judged the situation that is connected of projection adapter and cable network, wireless network and power supply.
Referring to Fig. 2, on the outer wall of housing 1, also be provided with power interface 7, computer interface 8, projector interface 9, wired network interface 10, television interface 11 and audio output port 12.Wherein, power interface 7 is used for being connected with supply socket, to provide power supply to the projection adapter.Computer interface 8 can be connected with computing machine by video signal cable, with the image information of wired mode receiving computer transmission.Projector interface 9, television interface 11 are connected with projector, televisor respectively, and image information is sent on projector or the televisor.Audio output port 12 can be connected with equipment such as sound equipments, with output audio signal.Wired network interface 10 can connect public cable network by the network signal line, to use public cable network input image information.
In the present embodiment, be provided with the circuit board (not shown) in the housing 1, circuit board is provided with a plurality of devices such as microcontroller, power module, storer, and the connection schematic block diagram of these devices as shown in Figure 3.
As seen from Figure 3, the projection adapter is provided with microcontroller 21, power module 22, projector interface module 23, WIFI module 24, wired network interface module 25, flash memory (Flash) 26, random access memory 27, infrared ray receiver module 28, audio frequency output module 29, television interface module 30 and video input module 31.Wherein, projector interface module 23 is formed one group of video output module with projection interface 9, and television interface module 30 is formed another group video output module with television interface 11.And the foregoing circuit module all is integrated on the circuit board, and with housing 1 on corresponding interface connect.
Microcontroller 21 is main control units of projection adapter, be used to receive the image information that WIFI module 24 or wired network interface module 25 etc. send, and, the image information after handling is sent to projector interface module 23 or television interface module 30 to image information processing such as decode.Simultaneously, microcontroller 21 also can be handled the sound signal of input, and the sound signal after will handling is sent to audio frequency output module 29.
Power module 22 is connected with power interface 7, receives the electric energy that power interface 7 provides, and voltage is carried out after rectification, filtering, voltage stabilizing, transformation etc. handle, to microcontroller 21 and the power supply of other circuit module.Certainly, power module 22 provides suitable voltage, current signal according to voltage, the current requirements of difference circuit modules such as microcontroller 21, satisfies the need of work of disparate modules.
WIFI module 24 comprises the wireless signal receiver module, and this wireless signal receiver module is connected with antennal interface, and passes through the image information of the WIFI module transmission of antenna 2, antennal interface receiving computer, and the image information that receives is sent to microcontroller 21.Preferably, WIFI module 24 is for supporting the WIFI module of wireless access function, and convenient speaker uses the projection adapter.
Wired network interface module 25 is connected with wired network interface 10 on the housing 1, can receive the image information that cable network transmits, and the image information that receives is sent to microcontroller 21.Like this, the speaker uses the wireless network transmitted image information except selecting, and can also select to use cable network transmitted image information, makes things convenient for the speaker to use.
Certainly, the speaker can also select directly by video signal cable the image information of computing machine to be sent to the projection adapter.Therefore, also be provided with video input module 31 on the circuit board of present embodiment, it is connected with the computer interface 8 of housing 1, can be under the control of microcontroller 21, reception is from computer picture information, and image information directly is sent to projector interface module 23, be sent to projector by projector interface 9.Like this, microcontroller 21 does not need image information is handled, and when the WIFI module 24 that WIFI module or projection adapter is not set at computing machine breaks down, can use video input module 23 directly image information to be sent to projector.
In the present embodiment, circuit board is provided with flash memory 26 and 27 two kinds of storeies of random access memory.Software systems program, static data and the various configuration data of flash memory 26 main storage projection adapters, random access memory 27 is mainly used in the storage dynamic data, as the data that microcontroller 21 exchanges, stores temporarily, comprise the image information data of microcontroller 21 receptions and processing etc.
Projector interface module 23 is video output modules of present embodiment with television interface module 30, is connected with projector interface 9, television interface 11 on the housing 1 respectively.Projector interface module 23 and television interface module 30 receive the image information after microcontrollers 21 are handled, and transmit these image informations to projector or televisor.
Simultaneously, also be provided with audio frequency output module 29 on the circuit board, be connected with the audio output port 12 of housing 1.Audio frequency output module 29 can receive the sound signal that microcontroller 21 transmits, and the sound signal that receives is reached equipment such as sound equipment by audio output port 12.
Certainly, in the present embodiment, also be provided with infrared ray receiver module 28 on the circuit board, be connected with the infrared ray receiving port 3 of housing 1, receive the infrared signal that telepilots etc. send by infrared ray receiving port 3, and the information that infrared signal carries is sent to microcontroller 21, microcontroller 21 is carried out corresponding operation, as the switching on and shutting down of projection adapter, enter or withdraw from projection state etc.
When using the projection adapter, need to start the WIFI module of computing machine, make the WIFI module of computing machine and the WIFI module 24 of projection adapter carry out communication, be sent in the projection adapter with this image information with computing machine.After WIFI module 24 receives image information, be sent to microcontroller 21,21 pairs of image informations of microcontroller are sent to projector by projector interface module 23, projector interface 9, the image that people can watch projector projects to go out after storing, discern, decode and reducing.
Like this, the speaker can be sent to the projection adapter with wireless mode with image information by the WIFI module of computing machine, and the placement location of computing machine and projection adapter is not subjected to the restriction of vision signal line length.Simultaneously, if a plurality of speakers are when giving a lecture, only need allow the WIFI module 24 of projection adapter get final product with many computer radio communications respectively, the speaker does not just need the data of speech use such as is duplicated at operation, for the speaker provides great convenience.
The projection adapter also is provided with computer interface 8, the wired network interface 10 that is connected with computing machine, and the speaker can also select to use video signal cable or cable network that image information is sent to the projection adapter, makes things convenient for the speaker to use.
Wired network interface module 25 in the present embodiment, television interface module 30, audio frequency output module 29, infrared ray receiver module 28, video input module 31 are the apolegamy module, can partly or entirely adopt when practical application, this does not influence enforcement of the present utility model.
Simultaneously, during the actual use of projection adapter, more variation can also be arranged, as use ROM (read-only memory) (ROM), EEPROM (Electrically Erasable Programmable Read Only Memo) multiple storeies such as (EEPROM) and substitute flash memory or random access memory, perhaps use accumulator etc. as power module, or using the built-in aerial that is arranged in the housing to be connected or the like with the WIFI module, these change still in inventive concept of the present utility model.
It is emphasized that at last the utility model is not limited to above-mentioned embodiment, as power interface or projector interface etc. the change of position is set, the small variations such as change of amount of memory also should be included in the protection domain of the utility model claim.
Claims (9)
1, the projection adapter comprises
Housing;
Be arranged on the circuit board in the housing,
It is characterized in that:
Described circuit board is provided with
Microcontroller;
Power module to the microcontroller power supply;
The video output module that is connected with microcontroller;
To the WIFI of microcontroller input information module, described WIFI module is connected with antenna;
The storer that is connected with microcontroller.
2, projection adapter according to claim 1 is characterized in that:
Described housing is provided with antennal interface;
Described antenna is the external antenna that is arranged on the housing, and described external antenna is connected with described antennal interface.
3, projection adapter according to claim 2 is characterized in that:
Described WIFI module comprises the wireless signal receiver module that is connected with described antennal interface.
4, according to each described projection adapter of claim 1 to 3, it is characterized in that:
Described video output module is for the projector interface module and be connected with the projector interface module and be arranged on projector interface on the housing.
5, according to each described adapter of claim 1 to 3, it is characterized in that:
Described video output module is for the television interface module and be connected with the television interface module and be arranged on television interface on the housing.
6, according to each described projection adapter of claim 1 to 3, it is characterized in that:
Described housing is provided with the infrared ray receiving port;
Also be provided with the infrared ray receiver module that is connected with microcontroller on the described circuit board, described infrared ray receiver module is connected with described infrared ray receiving port.
7, according to each described projection adapter of claim 1 to 3, it is characterized in that:
Described housing is provided with wired network interface;
Described circuit board is provided with the wired network interface module that is connected with microcontroller, and described wired network interface module is connected with described wired network interface.
8, according to each described projection adapter of claim 1 to 3, it is characterized in that:
Described housing is provided with audio output port;
Described circuit board is provided with the audio frequency output module that is connected with microcontroller, and described audio frequency output module is connected with described audio output port.
9, according to each described projection adapter of claim 1 to 3, it is characterized in that:
Described housing is provided with computer interface;
Described circuit board is provided with the video input module that is connected with microcontroller, and described video input module is connected with described computer interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200479800U CN201207125Y (en) | 2008-05-21 | 2008-05-21 | Projection adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200479800U CN201207125Y (en) | 2008-05-21 | 2008-05-21 | Projection adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207125Y true CN201207125Y (en) | 2009-03-11 |
Family
ID=40466185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200479800U Expired - Fee Related CN201207125Y (en) | 2008-05-21 | 2008-05-21 | Projection adaptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201207125Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977280A (en) * | 2010-09-30 | 2011-02-16 | 上海理工大学 | Separated set-top box wireless projection system |
| WO2012083568A1 (en) * | 2010-12-23 | 2012-06-28 | 河南中光学集团有限公司 | Micro-projector |
| CN108272430A (en) * | 2018-01-18 | 2018-07-13 | 江苏美伦影像系统有限公司 | A kind of projection arrangement for dental clinic monitoring |
| CN113315957A (en) * | 2020-05-20 | 2021-08-27 | 上海六联智能科技有限公司 | Screen projection implementation method of projector |
| TWI748429B (en) * | 2020-04-29 | 2021-12-01 | 明基電通股份有限公司 | Pairing method of wireless communications and pairing system of wireless communications |
| US11630626B2 (en) | 2020-04-28 | 2023-04-18 | Benq Intelligent Technology (Shanghai) Co., Ltd | Wireless communications pairing method and wireless communications pairing system |
-
2008
- 2008-05-21 CN CNU2008200479800U patent/CN201207125Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977280A (en) * | 2010-09-30 | 2011-02-16 | 上海理工大学 | Separated set-top box wireless projection system |
| WO2012083568A1 (en) * | 2010-12-23 | 2012-06-28 | 河南中光学集团有限公司 | Micro-projector |
| CN108272430A (en) * | 2018-01-18 | 2018-07-13 | 江苏美伦影像系统有限公司 | A kind of projection arrangement for dental clinic monitoring |
| US11630626B2 (en) | 2020-04-28 | 2023-04-18 | Benq Intelligent Technology (Shanghai) Co., Ltd | Wireless communications pairing method and wireless communications pairing system |
| TWI748429B (en) * | 2020-04-29 | 2021-12-01 | 明基電通股份有限公司 | Pairing method of wireless communications and pairing system of wireless communications |
| CN113315957A (en) * | 2020-05-20 | 2021-08-27 | 上海六联智能科技有限公司 | Screen projection implementation method of projector |
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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: 20090311 Termination date: 20120521 |