CN203720779U - Energy-saving and consumption-reducing multimedia device - Google Patents
Energy-saving and consumption-reducing multimedia device Download PDFInfo
- Publication number
- CN203720779U CN203720779U CN201420082020.3U CN201420082020U CN203720779U CN 203720779 U CN203720779 U CN 203720779U CN 201420082020 U CN201420082020 U CN 201420082020U CN 203720779 U CN203720779 U CN 203720779U
- Authority
- CN
- China
- Prior art keywords
- circuit unit
- central processing
- cpu
- unit
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an energy-saving and consumption-reducing multimedia device. The multimedia device comprises a central processing unit, a video output circuit unit, an internal display circuit unit, a load detection circuit unit and an infrared detection circuit unit. The multimedia device adopts a detection circuit to detect whether a video interface circuit is connected with an external display device or not, when the external display device is displayed, an own display screen of mobile multimedia equipment is closed to prevent power consumption waste so as to save energy; an infrared detection circuit is adopted to detect whether a user is in front of the multimedia display screen or not, if not, the display screen is closed by a multimedia system to avoid energy waste, and the multimedia system is more humanized and convenient. The energy-saving and consumption-reducing multimedia device disclosed by the utility model is simple in structure and convenient to operate, and better solves the problems that the existing electronic device in the multimedia system has serious waste, and is not humanized and automated.
Description
Technical field
The utility model belongs to multimedia technology field, relates in particular to a kind of energy-saving and cost-reducing multimedia device.
Background technology
In moving multimedia equipment (as notebook computer, mobile TV etc.), because of the restriction of the size of moving multimedia equipment own, display screen is all undersized conventionally.In order to allow user obtain sufficient visual enjoyment, moving multimedia equipment retains video interface circuit, connects the display device (as display, TV or projector etc.) of outside giant-screen.Whether be connected with external display device owing to cannot detecting video interface circuit, in the time that external display device shows, the display screen of moving multimedia equipment itself shows same data, causes power wastage.
In addition, in the time that user watches the play content of electronic installation, can limit because of the position that put of electronic installation user's movement, because existing multimedia system is not had hommization and a robotization, therefore can cause the waste of the electronic installation energy in multimedia system again.Therefore, need badly and want a kind of multimedia device, reduce the energy dissipation of multimedia system, and make multimedia system have more hommization and convenience.
Utility model content
The object of the utility model embodiment is to provide a kind of energy-saving and cost-reducing multimedia device, is intended to solve electronic installation waste in existing multimedia system and seriously, does not have the problem of hommization and robotization.
The utility model embodiment realizes like this, an energy-saving and cost-reducing multimedia device, this energy-saving and cost-reducing multimedia device comprises: CPU (central processing unit), video output circuit unit, inner display circuit unit, load circuit for detecting unit, infrared circuit unit;
CPU (central processing unit), for generation of vision signal;
Video output circuit unit, is connected with CPU (central processing unit), for receiving the vision signal of CPU (central processing unit) output, shows to export inner display circuit unit and external display device to;
Inner display circuit unit, is connected with video output circuit unit, for the vision signal of CPU (central processing unit) output is shown;
Load circuit for detecting unit, is connected with CPU (central processing unit) and video output circuit unit, for detecting the connection status of video output circuit unit and external display device;
Infrared circuit unit, is connected with CPU (central processing unit), carries the position of display for detection of user and multimedia.
Further, CPU (central processing unit) also comprises: produce digital video signal and export the video encoder of digital to analog converter to and the digital video signal receiving is converted to the digital to analog converter of analog video signal according to video data.
Further, the analog video signal of CPU (central processing unit) output comprises line synchronizing signal, colour burst signal and luminance signal, and line synchronizing signal is the undersuing of a predetermined period.
Further, video output circuit unit also comprises filtering circuit and match circuit:
Filtering circuit, for receiving the vision signal of CPU (central processing unit) output, and noise in this vision signal of filtering;
Match circuit, for realizing the impedance matching of video output circuit unit and inner display circuit unit and external display device.
Further, the load resistance of inner display circuit unit and external display device is 75 ohm, and the resistance that match circuit is 75 ohm by resistance forms.
Further, when video output circuit unit is connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit output terminal is negative 0.3 volt; In the time that video output circuit unit is not connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit output terminal is negative 0.6 volt.
The energy-saving and cost-reducing multimedia device that the utility model provides, adopt circuit for detecting detecting video interface circuit whether to be connected with external display device, in the time that external display device shows, can close the display screen of moving multimedia equipment itself, in order to avoid cause power wastage, save the energy; Adopt infrared circuit to detect user whether before multimedia display screen, if user not before multimedia display screen, multimedia system can be closed display screen and shown in order to avoid cause energy dissipation, and makes multimedia system have more hommization and convenience.Of the present utility model simple in structure, easy to operate, preferably resolve electronic installation waste in existing multimedia system and seriously, do not there is the problem of hommization and robotization.
Brief description of the drawings
Fig. 1 is the energy-saving and cost-reducing multimedia device structural representation that the utility model embodiment provides;
In figure: 1, CPU (central processing unit); 2, video output circuit unit; 3, inner display circuit unit; 4, load circuit for detecting unit; 5, infrared circuit unit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1, the energy-saving and cost-reducing multimedia device of the utility model embodiment is mainly made up of CPU (central processing unit) 1, video output circuit unit 2, inner display circuit unit 3, load circuit for detecting unit 4, infrared circuit unit 5;
CPU (central processing unit) 1, for generation of vision signal;
Video output circuit unit 2, is connected with CPU (central processing unit) 1, and the vision signal of exporting for receiving CPU (central processing unit) 1 shows to export inner display circuit unit 3 and external display device to;
Inner display circuit unit 3, is connected with video output circuit unit 2, shows for the vision signal that CPU (central processing unit) 1 is exported;
Load circuit for detecting unit 4, is connected with CPU (central processing unit) 1 and video output circuit unit 2, for detecting the connection status of video output circuit unit 2 and external display device;
Infrared circuit unit 5, is connected with CPU (central processing unit) 1, carries the position of display for detection of user and multimedia;
Principle of work of the present utility model: CPU (central processing unit) 1 is for generation of vision signal, vision signal is analog video signal, CPU (central processing unit) 1 comprises video encoder (digital video encoder) and digital to analog converter (digital to analog converter), and video encoder produces digital video signal and exports digital to analog converter to according to video data.The digital video signal receiving is converted to analog video signal by digital to analog converter, and export video output circuit unit 2 to; The analog video signal that CPU (central processing unit) 1 is exported comprises line synchronizing signal, colour burst signal and luminance signal, and wherein, line synchronizing signal is the undersuing of a predetermined period, and for example, its magnitude of voltage is negative 0.3 volt.
The vision signal that video output circuit unit 2 is exported for receiving CPU (central processing unit) 1, shows to export inner display circuit unit 3 and external display device to.Video output circuit unit 2 comprises filtering circuit and match circuit, and wherein, filtering circuit is for receiving the vision signal that CPU (central processing unit) 1 is exported, and noise in this vision signal of filtering.Match circuit is for realizing the impedance matching of video output circuit unit 2 and inner display circuit unit 3 and external display device.Inner display circuit unit 3 is all about 75 ohm with the load resistance of external display device, and the resistance of match circuit matches with it, and the resistance that is about 75 ohm by resistance forms.
In the time that video output circuit unit 2 is connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit 2 output terminals is negative 0.3 volt.In the time that video output circuit unit 2 is not connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit 2 output terminals is negative 0.6 volt.
Load circuit for detecting unit 4 connects video output circuit unit 2 and CPU (central processing unit) 1, for detecting the connection status of video output circuit unit 2 and external display device, in the time detecting that external display device connects, close multimedia and carry display in order to avoid cause energy dissipation.
Whether infrared circuit unit 5 connects CPU (central processing unit) 1,, if do not existed, send signal notice CPU (central processing unit) 1 and close display before multimedia carries display for detection of user, has saved the energy.
Infrared circuit unit 5 is connected with CPU (central processing unit) 1, whether detects user at display front signal for CPU (central processing unit) 1 provides; CPU (central processing unit) 1 is connected with video output circuit unit 2, for video output circuit unit 2 provides display; Video output circuit unit 2 is connected with inner display circuit unit 3, and video output circuit unit 2 is exported control signal and driven display circuit work; Load circuit for detecting unit 4 is connected with video output circuit unit 2 and CPU (central processing unit) 1, detects on the one hand the connection status of video output circuit unit 2 and external display device, on the other hand testing result is delivered to CPU (central processing unit) 1 and is carried out analyzing and processing; Outer video signal is exported to external display device in video output circuit unit 2.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. an energy-saving and cost-reducing multimedia device, is characterized in that, this energy-saving and cost-reducing multimedia device comprises: CPU (central processing unit), video output circuit unit, inner display circuit unit, load circuit for detecting unit, infrared circuit unit;
CPU (central processing unit), for generation of vision signal;
Video output circuit unit, is connected with CPU (central processing unit), for receiving the vision signal of CPU (central processing unit) output, shows to export inner display circuit unit and external display device to;
Inner display circuit unit, is connected with video output circuit unit, for the vision signal of CPU (central processing unit) output is shown;
Load circuit for detecting unit, is connected with CPU (central processing unit) and video output circuit unit, for detecting the connection status of video output circuit unit and external display device;
Infrared circuit unit, is connected with CPU (central processing unit), carries the position of display for detection of user and multimedia.
2. energy-saving and cost-reducing multimedia device as claimed in claim 1, it is characterized in that, CPU (central processing unit) also comprises: produce digital video signal and export the video encoder of digital to analog converter to and the digital video signal receiving is converted to the digital to analog converter of analog video signal according to video data.
3. energy-saving and cost-reducing multimedia device as claimed in claim 1, is characterized in that, the analog video signal of CPU (central processing unit) output comprises line synchronizing signal, colour burst signal and luminance signal, and line synchronizing signal is the undersuing of a predetermined period.
4. energy-saving and cost-reducing multimedia device as claimed in claim 1, is characterized in that, video output circuit unit also comprises filtering circuit and match circuit:
Filtering circuit, for receiving the vision signal of CPU (central processing unit) output, and noise in this vision signal of filtering;
Match circuit, for realizing the impedance matching of video output circuit unit and inner display circuit unit and external display device.
5. energy-saving and cost-reducing multimedia device as claimed in claim 1, is characterized in that, the load resistance of inner display circuit unit and external display device is 75 ohm, and the resistance that match circuit is 75 ohm by resistance forms.
6. energy-saving and cost-reducing multimedia device as claimed in claim 1, is characterized in that, when video output circuit unit is connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit output terminal is negative 0.3 volt; In the time that video output circuit unit is not connected with external display device, the magnitude of voltage of the line synchronizing signal of video output circuit unit output terminal is negative 0.6 volt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082020.3U CN203720779U (en) | 2014-02-26 | 2014-02-26 | Energy-saving and consumption-reducing multimedia device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082020.3U CN203720779U (en) | 2014-02-26 | 2014-02-26 | Energy-saving and consumption-reducing multimedia device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720779U true CN203720779U (en) | 2014-07-16 |
Family
ID=51159917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082020.3U Expired - Fee Related CN203720779U (en) | 2014-02-26 | 2014-02-26 | Energy-saving and consumption-reducing multimedia device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303514A (en) * | 2016-09-08 | 2017-01-04 | 珠海全志科技股份有限公司 | Analog video interface testing circuit and detection method, integrated chip |
-
2014
- 2014-02-26 CN CN201420082020.3U patent/CN203720779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303514A (en) * | 2016-09-08 | 2017-01-04 | 珠海全志科技股份有限公司 | Analog video interface testing circuit and detection method, integrated chip |
| CN106303514B (en) * | 2016-09-08 | 2019-01-04 | 珠海全志科技股份有限公司 | Analog video interface detection circuit and its detection method, integrated chip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104007392B (en) | Battery electric quantity detecting and displaying method | |
| CN203720779U (en) | Energy-saving and consumption-reducing multimedia device | |
| CN203859565U (en) | Detection display device for electric quantity of battery | |
| CN103237167A (en) | External camera system and method based on Android system terminal | |
| CN205486070U (en) | Electronic equipment | |
| CN206149367U (en) | Mobile phone motherboard with luminance and volume self -adaptation adjustment function | |
| CN204156962U (en) | A kind of law court with front-end collection equipment performs command system | |
| CN103235271A (en) | Method of detecting power of touch pen | |
| CN202305801U (en) | Distance detection device and mobile communication equipment provided with same | |
| CN204069293U (en) | Bluetooth circuit and comprise the blue-tooth device of this Bluetooth circuit | |
| CN203241792U (en) | Digital panel | |
| CN202948371U (en) | Four-way video graphics array (VGA) input-and-output-type touch control all-in-one machine | |
| CN204808134U (en) | Support synchronous video teaching computer in many classrooms | |
| CN204883697U (en) | Multi -functional interface circuit of USB with HDMI interface | |
| CN202351836U (en) | Touch display capable of controlling mobile phone | |
| CN204651962U (en) | A kind of portable power source with lantern slide or video playback | |
| CN203057338U (en) | Mobile phone interaction display terminal based on mobile high-definition link (MHL) interface technology | |
| CN205004565U (en) | Small -size DVI takes balanced function to connect | |
| CN203311410U (en) | Judicial committee data controlling system | |
| CN205486074U (en) | Data pusher based on PLC technique | |
| CN202795997U (en) | Control structure of rotating LED display screen | |
| CN203219396U (en) | External shooting system based on Android system terminal | |
| CN202600654U (en) | System controlled by remote touch screen | |
| CN201986060U (en) | Television auxiliary information display device and television | |
| CN207924572U (en) | A kind of standby power circuit and intelligent interaction tablet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150226 |
|
| EXPY | Termination of patent right or utility model |