CN103531136A - Display device - Google Patents
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- CN103531136A CN103531136A CN201310526715.6A CN201310526715A CN103531136A CN 103531136 A CN103531136 A CN 103531136A CN 201310526715 A CN201310526715 A CN 201310526715A CN 103531136 A CN103531136 A CN 103531136A
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Abstract
The invention provides a display device which comprises a power unit, a signal generating unit, a signal processing unit and a propagating unit. The power unit is used for supplying power for the signal generating unit, the signal processing unit and the propagating unit, the signal generating unit is used for generating mite-removing electrical signals and transmitting the mite-removing electrical signals to the signal processing unit, the signal processing unit is used for processing the mite-removing electrical signals and transmitting the processed mite-removing electrical signals to the propagating unit, the propagating unit is used for converting the processed mite-removing electrical signals into mite-removing signals and propagating the mite-removing signals, and the mite-removing signals are ultrasonic signals. The display device can normally display images and can also remove mites by the aid of inherent signal generating, controlling, processing and propagating units in the display device, so that the configured cost of a mite-removing device is saved, space occupied by the mite-removing device is also saved, and various needs of consumers can be met.
Description
Technical field
The present invention relates to display technique field, particularly, relate to and a kind ofly having except mite function
Display device.
Background technology
Acarid is a kind of universal small insect, and kind reaches several thousand kinds, and human eye is difficult to see.Acarid is prevalent in the environment of human living, and data shows in more than 75% room and has acarid.Acarid can cause the many allergic reactions of human body, and as allergic asthma, allergic rhinitis, allergic skin diseases etc., along with the concern of people to quality of life, the harm that acarid causes earns widespread respect.
How acarid is eliminated and become current urgent problem.Adopt at present conventionally the method for the medicine mite of going out, as sprayed in the place that is having acarid or smearing liquid medicine and eliminate the acarid in room, or eliminate acarid in human body etc. by the method for edible medicine.But, because acarid cannot be seen by naked eyes, thus spray or the method for smearing liquid medicine very blindly, be difficult to find a large amount of places of assembling of acarid; In addition, because medicine usually can produce spinoff more or less to human body, so the acarid of eliminating in human body by edible medicine also exists certain risk.
At present, on market, also occurred that some have the ultrasonic electronic equipment except mite function, but price is all relatively high, and uses these electronic equipments all to need to configure independently power interface.In addition, if used in room, due to the limitation of ultrasound wave except mite scope, often need to buy a plurality of ultrasonic electronic equipment, be configured to respectively in the spaces spaced apart from each other such as bedroom, parlor, toilet, both increased power configuration cost, taken again the space in room.
Summary of the invention
The present invention is directed to the above-mentioned technical matters existing in prior art, a kind of display device is provided, this display device is by inner intrinsic signal generating unit, control module, processing unit and propagation unit, make its normally display frame, can remove mite again, thereby not only saved the deployment cost except mite, and realizing except in mite, also saved the space that need to take except mite.
The invention provides a kind of display device, comprising: power supply unit, signal generating unit, signal processing unit and propagation unit; Described power supply unit is used to described signal generating unit, described signal processing unit and described propagation unit that power supply is provided, and described signal generating unit is for generation of except mite electric signal, and will describedly remove mite electric signal and be sent to described signal processing unit; Described signal processing unit is used for the described mite electric signal that removes to process, and the described mite electric signal that removes after processing is sent to described propagation unit; Described propagation unit is for described after processing is converted to except mite signal except mite electric signal, and propagates, described except mite signal be ultrasonic signal.
Preferably, described signal generating unit is also for according to the corresponding audio electrical signal of video signal generating, and described audio electrical signal is sent to described signal processing unit; Described signal processing unit is also for described audio electrical signal is processed, and the described audio electrical signal after processing is sent to described propagation unit; Described propagation unit is also for described audio electrical signal being changed into the voice signal in people's ear earshot, and plays.
Preferably, described signal processing unit comprises amplification module, described amplification module is connected between described signal generating unit and described propagation unit, for the described power except mite electric signal is amplified, and the described mite electric signal that removes after amplifying is sent to described propagation unit, the described mite electric signal that removes after amplification can obtain the described ultrasonic signal being suitable for except mite power after described propagation unit conversion; Described amplification module is also for amplifying the power of described audio electrical signal, and the described audio electrical signal after amplifying is sent to described propagation unit, the described audio electrical signal after amplification can obtain the voice signal being suitable in people's ear earshot after described propagation unit conversion.
Preferably, described signal processing unit also comprises adjustment module, described adjustment module is connected between described signal generating unit and described amplification module, for the described frequency except mite electric signal is regulated, make the described mite electric signal that removes after adjusting can obtain the described ultrasonic signal being suitable for except mite frequency after described propagation unit conversion, and the described mite electric signal that removes after regulating is sent to described amplification module;
Described adjustment module also regulates for the frequency to described audio electrical signal, make described audio electrical signal can obtain the voice signal being suitable in people's ear earshot after described propagation unit conversion, and the described audio electrical signal after regulating is sent to described amplification module.
Preferably, described display device also comprises control module, and described control module is connected with described signal generating unit, for controlling described audio electrical signal and described generation and switching except mite electric signal.
Preferably, described control module comprises time block and handover module, wherein:
Described time block is for described audio electrical signal that described signal generating unit is produced and describedly carry out timing controlled except mite electric signal, makes described audio electrical signal and described except the generation of staggering the time of mite electric signal;
Described handover module is used for controlling described signal generating unit and switches except between mite electric signal at the described audio electrical signal of generation with described in producing.
Preferably, described display device also comprises input block, in order to receive the steering order that user inputs and described steering order is sent to described control module; Described input block is touching display screen, and described touching display screen receives the described steering order that user adopts touch manner input; Or described input block is input block, described input block comprises button, driving lever or slide key.
Preferably, described input block adopts wired or wireless transmission mode to send described steering order to described control module.
Preferably, described propagation unit adopts the loudspeaker of described display device, and described loudspeaker adopts piezoelectric ceramics, and the frequency range that described piezoelectric ceramics is changed out is suitable for except the ultrasonic signal of mite is 20000Hz-40000Hz.
Preferably, described display device comprises central processing unit, telepilot and/or integrated button, described signal generating unit, described signal processing unit and described control module are integrated in the central processing unit of described display device, and described input block is integrated in described telepilot and/or described integrated button.
Beneficial effect of the present invention: the present invention is by intrinsic signal generating unit, control module, processing unit and propagation unit in display device, make its normally display frame, can remove mite again, thereby not only saved the deployment cost except mite equipment, also save the space that need to take except mite equipment, can meet consumer's multiple demand.
Accompanying drawing explanation
Fig. 1 is the structural representation of display device in the embodiment of the present invention 1;
Fig. 2 is the structural representation of display device in the embodiment of the present invention 2.
Description of reference numerals wherein:
1. power supply unit; 2. signal generating unit; 3. signal processing unit; 31. amplification modules; 32. adjustment modules; 4. propagation unit; 5. control module; 51. time blocks; 52. handover modules; 6. input block.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, a kind of display device of the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of display device, and as shown in Figure 1, this display device comprises: power supply unit 1, signal generating unit 2, signal processing unit 3 and propagation unit 4.Power supply unit 1 is used to signal generating unit 2, signal processing unit 3 and propagation unit 4 that power supply is provided, and signal generating unit 2 is for generation of except mite electric signal, and will be sent to signal processing unit 3 except mite electric signal.Signal processing unit 3 is for processing except mite electric signal, and will after processing, be sent to propagation unit 4 except mite electric signal.Propagation unit 4 is for by being converted to except mite signal except mite electric signal after processing, and propagates, wherein, and except mite signal is ultrasonic signal.
Wherein, signal generating unit 2 is also for according to the corresponding audio electrical signal of video signal generating, and audio electrical signal is sent to signal processing unit 3.Signal processing unit 3 is also for audio electrical signal is processed, and the audio electrical signal after processing is sent to propagation unit 4.Propagation unit 4 is also for audio electrical signal being changed into the voice signal in people's ear earshot, and plays.
Embodiment 2:
The present embodiment provides a kind of display device.As shown in Figure 2, this display device has been carried out improvement and refinement on the basis of embodiment 1.
In the present embodiment, power supply unit 1 is used to signal generating unit 2, signal processing unit 3 and propagation unit 4 that power supply is provided, signal processing unit 3 comprises amplification module 31, amplification module 31 is connected between signal generating unit 2 and propagation unit 4, for the power to except mite electric signal, amplify, and will after amplifying, be sent to propagation unit 4 except mite electric signal, after amplification, after propagation unit 4 conversions, can obtain the ultrasonic signal that is suitable for removing mite power except mite electric signal.Amplification module 31 is also for the power of audio electrical signal is amplified, and the audio electrical signal after amplifying is sent to propagation unit 4, and the audio electrical signal after amplification can obtain the voice signal being suitable in people's ear earshot after propagation unit 4 conversions.
Preferably, signal processing unit 3 also comprises adjustment module 32, adjustment module 32 is connected between signal generating unit 2 and amplification module 31, for the frequency to except mite electric signal, regulate, make after propagation unit 4 conversions, can obtain the ultrasonic signal being suitable for except mite frequency except mite electric signal after regulating, and the mite electric signal that removes after adjusting is sent to amplification module 31.In addition, adjustment module 32 also regulates for the frequency to audio electrical signal, makes audio electrical signal can obtain the voice signal being suitable in people's ear earshot after propagation unit 4 conversions, and the audio electrical signal after regulating is sent to amplification module 31.
In the present embodiment, display device also comprises control module 5, and control module 5 is connected with signal generating unit 2, for generation and the switching of controlling audio electrical signal and removing mite electric signal.
Control module 5 comprises time block 51 and handover module 52.Wherein, time block 51 carries out timing controlled for audio electrical signal that signal generating unit 2 is produced with except mite electric signal, makes audio electrical signal and except the generation of staggering the time of mite electric signal.The described generation of staggering the time, signal generating unit 2, when producing audio electrical signal, does not produce except mite electric signal; Signal generating unit 2, when producing except mite electric signal, does not produce audio electrical signal, audio electrical signal and mutually staggering except the generation time of mite electric signal.Stagger the time to produce and can avoid audio electrical signal and crosstalk except between mite electric signal, make audio electrical signal and can propagate independently respectively except mite electric signal, to guarantee audio frequency effect and to remove mite effect, be independent of each other.
Here it should be understood that as described in the present embodiment, in display device, adopt the mode of time-sharing multiplex, or effective anti-crosstalk unit is set, all can realize Presentation Function and remove mite function.
In addition, time block 51 can also be controlled the time length except mite electric signal and audio electrical signal generation, as controlled in the whole stand-by time of display device except mite electric signal is lasting, produces, and can compare lasting killing to acarid like this; Also can control during in holding state in display device and at interval of a bit of time, produce once except mite electric signal, acarid be carried out to discontinuity and kill.
In the present embodiment, display device also comprises input block 6, in order to receive the steering order that user inputs and steering order is sent to control module 5.Input block 6 is touching display screen, and touching display screen receives the steering order that user adopts touch manner input.
Need in addition explanation, input block 6 can be also other input blocks, as button, driving lever or slide key.
The entering apparatus adopting according to input block 6 is different, and its input form adopting is not identical yet, and input block 6 adopts wired or wireless transmission mode to control module 5 sending controling instructions.In the present embodiment, touching display screen is integrated on telepilot, and the mode (as infrared induction transmission) of remote control touching display screen by wireless transmission is to control module 5 sending controling instructions.
It should be noted that, input block 6 also can adopt wired transmission mode to control module 5 sending controling instructions.As touching display screen is integrated on the keyboard that display device connects by cable, in this case, the mode of touching display screen by wire transmission is to control module 5 sending controling instructions.
In the present embodiment, propagation unit 4 adopts the loudspeaker of display device, and loudspeaker adopts piezoelectric ceramics.Piezoelectric ceramic energy is according to the audio electrical signal of the different capacity after signal processing unit 3 processing and frequency with except mite electric signal, by piezoelectricity transition effects, by audio electrical signal with except mite electric signal is converted to respectively, be suitable for the voice signal of people's ear earshot or be suitable for the ultrasonic signal except mite, so that display device can normally show, can remove mite again.Wherein, the frequency range that piezoelectric ceramics is changed out is suitable for except the ultrasonic signal of mite is 20000Hz-40000Hz.The ultrasonic signal of this frequency range can be killed more effectively to acarid, also can not damage human body simultaneously.In addition, research shows, ultrasound wave more than 20000Hz-40000Hz is propagated in air, decays relatively slow, is enough to acarid effectively to be killed.
In the present embodiment, display device comprises central processing unit, telepilot and integrated button.Integrated button is integrated in the manual button in display device for the mode by wired connection, as is arranged on the button for menu setting on display screen frame.Signal generating unit 2, signal processing unit 3 and control module 5 are integrated in the central processing unit of display device, and input block 6 is integrated in telepilot or integrated button.
In the present embodiment, the specific works process of display device is:
When display device (comprises the system initialization moment before display program broadcasting after start in holding state, and the holding state before start), time, by the touching display screen on telepilot, to the control module 5 being integrated in display device central processing unit, send the steering order (pressing " except the mite " key on telepilot touch-screen as touched) except mite.
Control module 5 receives steering order, by handover module 52, to signal generating unit 2, send control signal, with control signal generating unit 2, start except mite electric signal, be that signal generating unit 2 produces except mite electric signal (as the square-wave signal of certain power and frequency), and will be sent to signal processing unit 3 except mite electric signal.Wherein, signal generating unit 2 can produce a plurality of frequency ranges except mite electric signal.
Here it should be noted that, if signal generating unit 2 produce except in the power of mite electric signal and power and frequency range that frequency can have been changed in piezoelectric ceramics, remove mite electric signal just without regulating again and amplifying.Generally, in the power except mite electric signal producing due to signal generating unit 2 and the power and frequency range that frequency can not be changed at piezoelectric ceramics, preferably by it through overregulating and amplifying processing, power and the frequency range that can change to meet piezoelectric ceramics.
When display device enters show state, control module 5 starts the generation of audio electrical signal by handover module 52 control signal generating units 2 automatically, and closes down the generation except mite electric signal simultaneously.Be signal generating unit 2 according to the vision signal in display device input signal source, produce corresponding audio electrical signal, and audio electrical signal be sent to signal processing unit 3.
In signal processing unit 3, by adjustment module 32 by the frequency adjustment of audio electrical signal to being suitable in frequency range that in propagation unit 4, piezoelectric ceramics can be changed; And signal processing unit 3 by amplification module 31 by the power amplification of audio electrical signal to being suitable in power bracket that piezoelectric ceramics can change, then, signal processing unit 3 is sent to propagation unit 4 by the audio electrical signal regulating and amplify after processing.
Here it should be noted that, with except mite electric signal, to convert ultrasonic signal to identical, if in power and frequency range that the power of the audio electrical signal that signal generating unit 2 produces and frequency can have been changed in piezoelectric ceramics, audio electrical signal is without regulating and amplifying.Generally, in the power of the audio electrical signal producing due to signal generating unit 2 and the power and frequency range that frequency can not be changed at piezoelectric ceramics, preferably by it through overregulating and amplifying processing, power and the frequency range that can change to meet piezoelectric ceramics.
Embodiment 3:
The present embodiment provides a kind of display device, different from embodiment 1-2, and signal generating unit not only can produce except mite electric signal in holding state in display device, and also can produce except mite electric signal when show state.
It should be noted that, when display device is during in show state, signal generating unit is according to the corresponding audio electrical signal of video signal generating, within the quiescent interval of audio electrical signal (do not have as only having video some interval that sound sends in the period), signal generating unit also can occur except mite electric signal.At this audio frequency, in the quiescent interval, the startup producing except mite electric signal can, for automatically switching by handover module, can be also artificial manual switchover.Wherein, the quiescent interval of described audio electrical signal is the artificial mute state of setting, or the voiceless sound time period in signal source.Within this quiescent interval, can display device be switched to except mite function by the switching mode of automatic or manual, once but occur voice signal in mute state one end or signal source, except mite function just can be closed down immediately.Normal generation and the broadcasting of sound signal in the time of can not affecting demonstration except mite function.
It should be noted that; no matter be to automatically switch or manual switchover; when signal generating unit produces audio electrical signal; except the generation of mite electric signal all can automatically be closed down immediately or cannot be activated at all; be audio electrical signal and can not produce except mite electric signal simultaneously; therefore also just make display device can remove mite, do not affect again it and normally show.
In embodiment 3, other structures of display device and the course of work are identical with embodiment 1-2, repeat no more herein.
The beneficial effect of embodiment 1-3: by signal generating unit intrinsic in display device, control module, processing unit and propagation unit, it can normally be shown, can remove mite again, thereby not only saved the deployment cost except mite equipment, also save the space that need to take except mite equipment, can meet consumer's multiple demand.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a display device, comprising: power supply unit, signal generating unit, signal processing unit and propagation unit; Described power supply unit is used to described signal generating unit, described signal processing unit and described propagation unit that power supply is provided, it is characterized in that, described signal generating unit is for generation of except mite electric signal, and will describedly remove mite electric signal and be sent to described signal processing unit; Described signal processing unit is used for the described mite electric signal that removes to process, and the described mite electric signal that removes after processing is sent to described propagation unit; Described propagation unit is for described after processing is converted to except mite signal except mite electric signal, and propagates, described except mite signal be ultrasonic signal.
2. display device according to claim 1, is characterized in that, described signal generating unit is also for according to the corresponding audio electrical signal of video signal generating, and described audio electrical signal is sent to described signal processing unit; Described signal processing unit is also for described audio electrical signal is processed, and the described audio electrical signal after processing is sent to described propagation unit; Described propagation unit is also for described audio electrical signal being changed into the voice signal in people's ear earshot, and plays.
3. display device according to claim 2, it is characterized in that, described signal processing unit comprises amplification module, described amplification module is connected between described signal generating unit and described propagation unit, for the described power except mite electric signal is amplified, and the described mite electric signal that removes after amplifying is sent to described propagation unit, the described mite electric signal that removes after amplification can obtain the described ultrasonic signal being suitable for except mite power after described propagation unit conversion; Described amplification module is also for amplifying the power of described audio electrical signal, and the described audio electrical signal after amplifying is sent to described propagation unit, the described audio electrical signal after amplification can obtain the voice signal being suitable in people's ear earshot after described propagation unit conversion.
4. display device according to claim 3, it is characterized in that, described signal processing unit also comprises adjustment module, described adjustment module is connected between described signal generating unit and described amplification module, for the described frequency except mite electric signal is regulated, make the described mite electric signal that removes after adjusting can obtain the described ultrasonic signal being suitable for except mite frequency after described propagation unit conversion, and the described mite electric signal that removes after regulating is sent to described amplification module;
Described adjustment module also regulates for the frequency to described audio electrical signal, make described audio electrical signal can obtain the voice signal being suitable in people's ear earshot after described propagation unit conversion, and the described audio electrical signal after regulating is sent to described amplification module.
5. display device according to claim 4, is characterized in that, described display device also comprises control module, and described control module is connected with described signal generating unit, for controlling described audio electrical signal and described generation and switching except mite electric signal.
6. display device according to claim 5, is characterized in that, described control module comprises time block and handover module, wherein:
Described time block is for described audio electrical signal that described signal generating unit is produced and describedly carry out timing controlled except mite electric signal, makes described audio electrical signal and described except the generation of staggering the time of mite electric signal;
Described handover module is used for controlling described signal generating unit and switches except between mite electric signal at the described audio electrical signal of generation with described in producing.
7. display device according to claim 6, is characterized in that, described display device also comprises input block, in order to receive the steering order that user inputs and described steering order is sent to described control module; Described input block is touching display screen, and described touching display screen receives the described steering order that user adopts touch manner input; Or described input block is input block, described input block comprises button, driving lever or slide key.
8. display device according to claim 7, is characterized in that, described input block adopts wired or wireless transmission mode to send described steering order to described control module.
9. display device according to claim 8, it is characterized in that, described propagation unit adopts the loudspeaker of described display device, and described loudspeaker adopts piezoelectric ceramics, and the frequency range that described piezoelectric ceramics is changed out is suitable for except the ultrasonic signal of mite is 20000Hz-40000Hz.
10. display device according to claim 9, it is characterized in that, described display device comprises central processing unit, telepilot and/or integrated button, described signal generating unit, described signal processing unit and described control module are integrated in the central processing unit of described display device, and described input block is integrated in described telepilot and/or described integrated button.
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