CN201897685U - Projector based on power line network - Google Patents
Projector based on power line network Download PDFInfo
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- CN201897685U CN201897685U CN2010206568260U CN201020656826U CN201897685U CN 201897685 U CN201897685 U CN 201897685U CN 2010206568260 U CN2010206568260 U CN 2010206568260U CN 201020656826 U CN201020656826 U CN 201020656826U CN 201897685 U CN201897685 U CN 201897685U
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- projector
- power line
- line network
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- module
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Abstract
The utility model discloses a projector based on a power line network. The projector is directly inserted on a power socket, which can receive and transmit information from a power line to display projections. A technical scheme adopted is as follows: the projector based on the power line network comprises an optical system implementing projection, and a projector controller implementing projection control. The projector based on the power line network also comprises a power line network bridging module, a digital coding-decoding module, a processor used for coordinating and processing various data, a user application interface, an infrared remote controlling interface, and a signal input interface. The processor is provided with a memory, a projecting information processing module, and a projecting information emitting module. The signal input interface is provided with a television signal decoder, a video signal A/D (analog to digital) converter, and a video signal A/D converter. The user application interface is provided with a group of keys; and the projector controller is provided with a projection information receiving module. The scheme simplifies the mounting and debugging of the projector, saves material and manual fees, and shows the future developing directions for household appliances.
Description
Technical field
The utility model relates to a kind of projector based on power line network, belongs to the Automated Technology in Office field.
Background technology
In recent years, projector has played more and more important effect as the office equipment of necessity, be widely applied to company and enterprise and meeting-place etc., at present along with the raising of the teaching automaticity of school, the universal state of projector has developed into each classroom all must install one degree.In order to use this equipment more easily, projector has begun to move towards networking.
Domestic patent CN 02823651.3 discloses a kind of network projector interface system.This system comprises the client software that is stored on the recordable media and can carries out at least on the client computer on the network, wherein client software provides client end interface, and it is configured to help to be used for demonstration document is directed to selected network projector.This system also comprises the presentation manager software that is stored on the recordable media and can carries out on network, wherein presentation manager software produces the presentation manager of storage and the visit be configured to manage demonstration document, and the network projector of being coupled to projector computer, wherein projector computer is coupled to network and communicates by letter so that show demonstration document on the selected network projector with presentation manager.
Present network projector is that communication is carried out on the basis with the existing Ethernet still, and it is numerous and diverse to exist network to lay, and connects inconvenience, causes cost to increase.
Summary of the invention
The purpose of this utility model is in order to overcome weak point of the prior art, a kind of projector based on power line network to be provided, and is exactly that this projector directly is inserted in the supply socket, can receive and transmission information from line of electric force, realizes Projection Display.This scheme has been simplified the installation and the debugging of projector, has saved material and labour cost, has embodied the direction of following household electrical appliances development.
The technical scheme that its technical matters that solves the utility model adopts is:
Based on the projector of power line network, comprise the optical system of carrying out projection, carry out the projector controller of projection control, also comprise:
-power line network bridge joint module is connected with line of electric force, can receive the numerical information on the line of electric force, can send numerical information to line of electric force simultaneously;
-digital encoding and decoding module is connected with described power line network bridge joint module, is used for the coded message that receives is decoded, and simultaneously the information that sends is encoded;
-processor is connected with described digital encoding and decoding module, is used for coordinating and handling various data;
-user uses interface, is connected with described processor, is used to receive user's order, realizes relevant the setting and function control;
-infrared remote control interface is connected with described processor, is used to realize Remote;
-signal input interface is connected with described processor, is used for input TV signal.
Described processor is provided with the storer of preserving projection information, to the projection information processing module that described projection information is handled, carries out the projection information sending module that described projection information sends.
Described signal input interface is provided with the television signal decoder of isolating specific channel TV signal, analog signal conversion is become the vision signal analog to digital converter and the sound signal analog to digital converter of digital signal.
Described user uses interface, and one group of button is set.
Described projector controller is provided with and carries out the projection information receiver module that described projection information receives.
The beneficial effects of the utility model mainly show: 1, any computer can carry out the projection information transmission by line of electric force in the net, and projector is controlled; 2, easy for installation, saved many signal wires and netting twine.
Description of drawings
Fig. 1 is the inside theory diagram of this projector;
Fig. 2 is the signal input interface theory diagram of this projector;
Fig. 3 is the system construction drawing of this projector.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
With reference to Fig. 1-3, based on the projector of power line network, comprise the optical system 7 of carrying out projection, carry out the projector controller 6 of projection control.Described projector controller 6 forms visual image according to the projection information of input, and carries out optics through described optical system 7 and amplify and strengthen, and projects on the curtain at last.
Also comprise:
-power line network bridge joint module 3 is connected with line of electric force, can receive the numerical information on the line of electric force, can send numerical information to line of electric force simultaneously.This power line network bridge joint module 3 adopts the power line transmission technology, and the high-frequency signal of carrying information is loaded on electric current, uses power line transmission then, also can separate high-frequency information from electric current simultaneously, transmits with realization information.
-digital encoding and decoding module 2 is connected with described power line network bridge joint module 3, is used for the coded message that receives is decoded, and simultaneously the information that sends is encoded.Described power line network bridge joint module 3 is isolated coded message from line of electric force, and sends described digital encoding and decoding module 2 to, and 2 pairs of information of receiving of described digital encoding and decoding module are decoded, and whether identification is projection information.Simultaneously, 2 pairs of transmission information of receiving of described digital encoding and decoding module are encoded according to specific format, and mail to line of electric force by described power line network bridge joint module 3.
-processor 1 is connected with described digital encoding and decoding module 2, is used for coordinating and handling various data.
-user uses interface 4, is connected with described processor 1, is used to receive user's order, realizes relevant the setting and function control.Described user uses interface 4, and one group of button is set, and by single button, the user can be provided with various functions and parameter.
-infrared remote control interface 5 is connected with described processor 1, is used to realize Remote.Described infrared remote control interface 5 has with described user and uses interface 4 identical functions.
-signal input interface 8 is connected with described processor 1, is used for input TV signal.Described signal input interface 8 is provided with the television signal decoder 9 of isolating specific channel TV signal, analog signal conversion is become the vision signal analog to digital converter 10 and the sound signal analog to digital converter 11 of digital signal.Described television signal decoder 9 is isolated the analog video signal and the simulated audio signal of specific channel from input TV signal, and analog video signal is through described vision signal analog to digital converter 10, convert digital video signal to, and send described processor 1 to; Simulated audio signal converts digital audio and video signals to, and sends described processor 1 to through described sound signal analog to digital converter 11.
As seen, be in the processor 1 of core position, not only receive the projection information that described digital encoding and decoding module 2 is sent, the button input instruction of process user and infrared remote control instruction, and responsible digital video signal and the digital audio and video signals that receives described signal input interface 8.
Described processor 1 is provided with the storer of preserving projector information, to projection information projection information processing module of handling and the projection information sending module that carries out the projection information transmission.Described processor 1 is stored in described storer earlier with the projection information of receiving, described projection information processing module is operated the projection information in the described storer, the data layout of generation and described projector controller 6 compatibilities, described then projection information sending module sends data to described projector controller 6 and carries out projection.Described projector controller 6 is provided with and carries out the projection information receiver module that projection information receives, and is used for carrying out interface with described processor 1.
In sum, the utility model can receive and transmission information from line of electric force, realizes Projection Display, line of electric force promptly can be used as power lead power supply is provided, as information channel transmission information, therefore simplify the installation and the debugging of projector again, saved material and labour cost.Further, this utility model also can be operated by the internet, as shown in Figure 2, at first need the broadband network of will register one's residence, by independent power line modem 14, be connected with indoor line of electric force, this utility model socket that can directly plug in just can realize that numerical information receives and sends then, sound equipment 12, PC 13 can be inserted power line networks simultaneously and realize abundant more multimedia.
Claims (5)
1. based on the projector of power line network, comprise the optical system of carrying out projection, carry out the projector controller of projection control, it is characterized in that also comprising:
-power line network bridge joint module is connected with line of electric force, can receive the numerical information on the line of electric force, can send numerical information to line of electric force simultaneously;
-digital encoding and decoding module is connected with described power line network bridge joint module, is used for the coded message that receives is decoded, and simultaneously the information that sends is encoded;
-processor is connected with described digital encoding and decoding module, is used for coordinating and handling various data;
-user uses interface, is connected with described processor, is used to receive user's order, realizes relevant the setting and function control;
-infrared remote control interface is connected with described processor, is used to realize Remote;-signal input interface is connected with described processor, is used for input TV signal.
2. the projector based on power line network as claimed in claim 1, it is characterized in that: described processor, the storer of preserving projection information is set,, carries out the projection information sending module that described projection information sends the projection information processing module that described projection information is handled.
3. the projector based on power line network as claimed in claim 1, it is characterized in that: described signal input interface, the television signal decoder of specific channel TV signal is isolated in setting, analog signal conversion is become the vision signal analog to digital converter and the sound signal analog to digital converter of digital signal.
4. the projector based on power line network as claimed in claim 1 is characterized in that: described user uses interface, and one group of button is set.
5. the projector based on power line network as claimed in claim 1 is characterized in that: described projector controller is provided with and carries out the projection information receiver module that described projection information receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206568260U CN201897685U (en) | 2010-12-03 | 2010-12-03 | Projector based on power line network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206568260U CN201897685U (en) | 2010-12-03 | 2010-12-03 | Projector based on power line network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897685U true CN201897685U (en) | 2011-07-13 |
Family
ID=44255588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206568260U Expired - Fee Related CN201897685U (en) | 2010-12-03 | 2010-12-03 | Projector based on power line network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201897685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664034A (en) * | 2012-05-14 | 2012-09-12 | 慈溪迈思特电子科技有限公司 | Family cinema system based on power line network |
-
2010
- 2010-12-03 CN CN2010206568260U patent/CN201897685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664034A (en) * | 2012-05-14 | 2012-09-12 | 慈溪迈思特电子科技有限公司 | Family cinema system based on power line network |
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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: 20110713 Termination date: 20111203 |