Energy-saving digital photo frame with olfactory sensations and its working methodTechnical field
The invention belongs to photo frame technical fields, more particularly to the energy-saving digital photo frame with olfactory sensations and its working method.
Background technology
Digital Frame is directly can to show or play the Novel photograph frame of digital multimedia document, is usually controlled by microprocessorThe components such as system, display screen, storage medium form.To meet user's different demands, present Digital Frame can generally have quietState or loop play audio, video, lantern slide, electronic book documentary, are arranged alarm clock and calendar, and by network download photo,Browse the function of webpage.Existing Digital Frame, has the following disadvantages：
1, displaying pattern it is single, can only static status display picture or dynamic play audio-video document, cannot be realized according to user settingEither statically or dynamically a variety of play mode；
2, people's vision, Auditory Perception can only be given to experience；
3, lack power saving function setting.
Invention content
It is an object of the present invention in view of the above-mentioned problems, propose the energy-saving digital photo frame with olfactory sensations.
Energy-saving digital photo frame with olfactory sensations, including control process unit, human body induction module, electronics heat aroma diffusing mouldBlock, audio playing unit, display unit, storage unit, extended interface unit；The human body induction module, electronics heat aroma diffusingModule, audio playing unit, display unit, storage unit, extended interface unit are connected with control process unit respectively；The peopleBody induction module is for incuding whether someone is close, to carry out Energy Saving Control；The electronics heating aroma diffusing module is used for notIt is heated with smell fragrance fumette.
Further, the extended interface unit includes usb expansion interface.
Further, the electronics heating aroma diffusing module includes selection control circuit, multiple heater circuits；The selection controlCircuit processed is connected with multiple heater circuits, for carrying out gating control to each heater circuit.
Further, the selection control circuit includes relay drive circuit, relay；The control process unit is logicalRelay drive circuit is crossed with relay to be connected；The relay is connected with heater circuit.
Further, the relay drive circuit includes first resistor, second resistance, diode, triode, relayDevice, 5V power supplys；The 5V power supplys are connected by second resistance with diode cathode, relay main contacts coil first end；ControlProcessing unit output end is connected by first resistor with transistor base；The transistor collector connects diode cathode, relayDevice main contacts coil second end；The transistor emitter ground connection.
Further, the human body induction module is at infrared human body induction module, including human body sensor, signalManage circuit, infrared thermal release electric processing chip and its peripheral circuit；The human body sensor, signal processing circuit, infrared heatElectric treatment core is released to be sequentially connected.
Working method based on the energy-saving digital photo frame with olfactory sensations, which is characterized in that include the following steps：
S1：Detect induction region whether someone, if so, then turning S2；If nothing, enter standby detecting state；
S2：Audio video file is read and parsed, judges the type of currently playing audio video file content；
S3：Decode audio video file, setting play mode, reproduction time；
S4：Audio video file after broadcast decoder；
S5：Different type fragrance fumette is heated in conjunction with the type gating heater circuit of audio video file content；
S6：Whether testing staff leaves, if personnel leave, stops playing in setting time and disconnects heater circuit；If personnelIt does not leave, then turns S2.
Further, the play mode includes for loop play pattern, shuffle play mode and single play mode.
Further, the setting time is that present video video file plays end or personnel setting time.
Further, the audio video file is avi file.
The beneficial effects of the present invention are：The band that the present invention designs depending on, listen, the energy-saving digital photo frame of olfactory sensations have sectionIt the characteristics of energy, showing except multimedia audio-video content, user setting realizes static display or dynamic play various modes, thisOutside, while showing multimedia audio-video content, heating aroma diffusing module by electronics, to give user's vision, the sense of hearing, smell comprehensiveThe sensory experience of conjunction.
Description of the drawings
Fig. 1 is the schematic diagram of the energy-saving digital photo frame with olfactory sensations；
Fig. 2 is the flow chart of work methods of the energy-saving digital photo frame with olfactory sensations；
Fig. 3 is relay drive circuit schematic diagram.
Specific implementation mode
To keep the purpose, technical scheme and advantage of inventive embodiments clearer, below in conjunction in the embodiment of the present inventionAttached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is thisInvention a part of the embodiment, instead of all the embodiments.Embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawingsComponent can arrange and design with a variety of different configurations.Based on the embodiments of the present invention, ordinary skill peopleThe every other embodiment that member is obtained without creative efforts, shall fall within the protection scope of the present invention.
The present embodiment provides the energy-saving digital photo frame with olfactory sensations, including microcontroller, human body infrared inductive pick-up andIts signal processing circuit, 2 group relay circuits, touch screen display unit, usb expansion interface；Touch screen display unit includes touchingScreen and touch screen interface circuit are touched, touch screen is connected by touch screen interface circuit with microcontroller；2 group relay circuits are all by phaseRelay even and relay drive circuit are connected, including the first relay circuit and the second relay circuit.MicroprocessorOne output end is connected with the first relay drive circuit input terminal, microprocessor second output and the second relay drive circuitInput terminal is connected.
As shown in figure 3, the first relay drive circuit includes first resistor, second resistance, the first diode, the first three-levelPipe, the first relay, 5V power supplys；The 5V power supplys pass through second resistance and the first diode cathode, the first relay main contactsCoil first end is connected；The first output end of microprocessor is connected by first resistor with the first transistor base；Described 1stPole pipe collector connects the second diode cathode, the first relay main contacts coil second end；First transistor emitter connectsGround.
Second relay drive circuit include 3rd resistor, the 4th resistance, the second diode, the second triode, second afterElectric appliance, 5V power supplys；The 5V power supplys pass through the 4th resistance and the second diode cathode, the second relay main contacts coil first endIt is connected；Microprocessor second output is connected by 3rd resistor with the second transistor base；Second transistor collectorConnect the second diode cathode, the second relay main contacts coil second end；The second transistor emitter ground connection.
First relay normally open contact connects first group of heater circuit switch, and the second relay normally open contact connects second group of heatingContactor.
Based on the energy-saving digital photo frame with olfactory sensations, work step is as follows：
S1：Detect induction region whether someone, if so, then turning S2；If nothing, enter standby detecting state；
S2：Audio video file is read and parsed, judges the type of currently playing audio video file content；
S3：Decode audio video file, setting play mode, reproduction time；
S4：Audio video file after broadcast decoder；
S5：Different type fragrance fumette is heated in conjunction with the type gating heater circuit of audio video file content；
S6：Whether testing staff leaves, if personnel leave, stops playing in setting time and disconnects heater circuit；If personnelIt does not leave, then turns S2.
When personnel close to when, human body infrared inductive pick-up detects that human body signal, touch screen are powered on, user selectionAvi file plays out.Digital Frame reads and parses avi file, judges the class of currently playing audio video file contentType decodes audio video file.User can self-defined setting play mode, setting reproduction time, the play mode of acquiescence isLoop play pattern, acquiescence reproduction time be that the broadcasting of current avi file terminates, user self-defined is revised as single broadcasting to itsPattern, reproduction time are five minutes；Audio video file after Digital Frame broadcast decoder, in conjunction with audio video file contentType gating electric-heating-wire-heating circuit heats different type fragrance fumette.
First heater circuit is for heating lemon fragrance fumette, and the second heater circuit is for heating santal fragrance fumette；If worked asThe audio frequency and video of preceding broadcasting is brisk type, then microcontroller controls the first relay circuit and opens the first heater circuit heating lemonFragrance fumette；If currently playing audio frequency and video is type of releiving, microcontroller the second relay circuit of control is opened second and is addedHeater circuit heats santal fragrance fumette.After the personnel of detecting leave, after five minutes, broadcasting terminates, and microcontroller controls heater circuitIt disconnects.