CN106028110A - Liquid crystal television or monitor with power supply and environment monitoring function - Google Patents
Liquid crystal television or monitor with power supply and environment monitoring function Download PDFInfo
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- CN106028110A CN106028110A CN201610548544.0A CN201610548544A CN106028110A CN 106028110 A CN106028110 A CN 106028110A CN 201610548544 A CN201610548544 A CN 201610548544A CN 106028110 A CN106028110 A CN 106028110A
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- Prior art keywords
- display
- power supply
- sensor
- lcd
- light source
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
Abstract
The invention relates to a liquid crystal television or monitor with a power supply and environment monitoring function. The liquid crystal television or monitor is characterized by monitoring power supply and environment parameters via a sensor, sending the parameters to a microprocessor in the television or monitor to carry out analysis and storage, and notifying a detection result via an own screen of the television or monitor, or notifying a relevant smart phone/device via an APP manner. In addition to notification and suggestion functions, the liquid crystal television or monitor can be linked to other electrical products at home in an extensible manner, for example, the UV sensor can be connected to an electric curtain to close or open; PM2.5 detection data can be linked to start or shutdown of an air cleaner; a carbon monoxide detector can be linked to a building guard system to achieve more generalized household guard; a temperature-humidity sensor can be connected to an air conditioner and a dehumidifier; a light source detector can be connected to a light adjustable indoor bulb, so that a background light source of the television is adjusted initiatively with indoor lighting; and a power meter can be connected to a smart meter; and therefore, the television/monitor can be taken as a household center.
Description
Technical field
It is contemplated that increase other monitoring device in TV/display, containing electric parameter and the big class of ambient parameter two, user can
Receive, through mobile phone or intelligent apparatus, data that TV detected and control miscellaneous equipment in family when necessary, making TV/display one-tenth
For house centring system, it is specifically related to a kind of LCD TV with power supply and environment monitoring function or display.
Background technology
The popularity rate of TV/display is the hat of whole world electrical equipment, and the rate of planting deeply reaches 99.6%.The framework of traditional tv/display is similar,
All be demodulation input signal after picture is shown on LCD screen.In response to the arriving of intelligent electrical apparatus, TV also makes the transition with display
For intelligent television (SMART TV) and intelligent display (SMART MONITOR).So-called intelligent television or intelligent display,
Refer to increase embedded software interface in traditional tv/display, such as Android or Linux etc..TV/display can be solely
Under conditions of vertical running, use and be internally embedded every software or the APP that formula system is carried, obtain audio-visual letter through Internet connection
Cease and play.Partial TV/display more supports MHL multimedia player system, can connect mobile phone through HDMI to USB, will
Mobile phone screen or picture are projected to TV/display, reach to amplify visual effect.
Along with popularizing of intelligent mobile phone, people obtain the custom of information and are transferred to community forum by newspapers and magazines or TV news,
And read data volume increasingly grow up.For the arriving in response to New Times demand, tradition is intended for playing and connect the traditional tv of network/aobvious
Show that device and intelligent television/display the most do not apply to use.
The present invention combines multinomial detector on TV/display, uses read machine electrically and ambient data, and collocation is externally
Information is given mobile phone or other intelligent apparatus by communication such as bluetooth, Wifi etc., by the Information Statistics obtained, analyzes and controls other
Outside electrical equipment or device.
Summary of the invention
It is an object of the invention to provide a kind of LCD TV with power supply and environment monitoring function or display, it is achieved at TV/aobvious
Showing and increase other monitoring device in device, containing electric parameter and the big class of ambient parameter two, user can pass through mobile phone or intelligent apparatus connects
Receive the data that detected of TV and control miscellaneous equipment in family when necessary, making TV/display become house centring system.
For achieving the above object, the technical scheme is that a kind of LCD TV with power supply and environment monitoring function, including
The microprocessor being arranged on LCD TV and the kilowatt meter being connected with this microprocessor, UV UV sensor, carbon monoxide sensing
Device, acceleration transducer, PM2.5 Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor；Described electric power
Meter is for detecting the output electricity of the input voltage of LCD TV, input current, input power and inside liquid crystal television power supply unit
Pressure, output electric current, output；Described UV UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate pass
Sensor, ambient light source sensor are respectively used to monitor uitraviolet intensity, carbonomonoxide concentration, Airborne particulate around LCD TV
Content, brightness of illumination；Whether described acceleration transducer is for monitoring the angles of LCD TV and being rocked by external force；Described temperature
Humidity sensor is used for monitoring inside liquid crystal television ambient temperature and humidity.
In an embodiment of the present invention, to realize the function of power supply monitoring specific as follows for described kilowatt meter and microprocessor:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to LCD TV more than 75W application demand, internal electric source supply will be according to humorous
Ripple specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase contrast between input voltage and input current；
The output voltage of monitoring inside liquid crystal television power supply unit, output electric current, owing to inside liquid crystal television power supply unit exports
By the voltage source of one group to three group independence, and export one group to three groups different electric current to the load of inside liquid crystal television, therefore one can be obtained
Group, to three groups of voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, loads general power
One group detected for Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter
Output voltage, output electric current to three groups of voltage sources；
According toThe efficiency curve of inside liquid crystal television power supply unit can be obtained, LCD TV parts health time
Efficiency curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding LCD TV parts health, then judge
LCD TV parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or voluntarily reduction liquid crystal electricity
The load of viewing system row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
In an embodiment of the present invention, described microprocessor is also associated with WIFI module or bluetooth module, is used for and air purification device
Connect, to realize when carbonomonoxide concentration, Airborne particulate content exceed threshold value, start air purification device, it is achieved air
Peace and quiet function.
In an embodiment of the present invention, described Temperature Humidity Sensor carries out dividing of LCD TV parts health status based on auxiliary power
Analysis and record use ambient parameter.
In an embodiment of the present invention, the environment light source that described ambient light source sensor is viewed and admired in order to adjust optimum user and liquid crystal electricity
Depending on background light source.
Present invention also offers a kind of display with power supply and environment monitoring function, including the microprocessor being arranged on display
And be connected with this microprocessor kilowatt meter, UV UV sensor, carbon monoxide transducer, acceleration transducer, PM2.5
Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor；Described kilowatt meter is for detecting the input electricity of display
Pressure, input current, input power and the output voltage of display interior power supply unit, output electric current, output；Described UV
UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate sensor, ambient light source sensor are respectively used to monitoring
Uitraviolet intensity, carbonomonoxide concentration, Airborne particulate content, brightness of illumination around display；Described acceleration transducer is used
In the angles of monitor display and whether rocked by external force；Described Temperature Humidity Sensor is warm and humid for monitor display internal medium
Degree.
In an embodiment of the present invention, to realize the function of power supply monitoring specific as follows for described kilowatt meter and microprocessor:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to display more than 75W application demand, internal electric source supply will be according to harmonic wave
Specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase contrast between input voltage and input current；
The output voltage of monitor display internal electric source supply, output electric current, owing to display interior power supply unit exports by one
Group is to the voltage source of three groups of independences, and exports one group to three groups different electric current to the load of display interior, therefore can obtain one group to three
Group voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, load general power is
Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter detect one group is extremely
The output voltage of three groups of voltage sources, output electric current；
According toThe efficiency curve of display interior power supply unit can be obtained, display components health time efficiency
Curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding display components health, then judge display
Parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or reduce the negative of display system voluntarily
Carry row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
In an embodiment of the present invention, described microprocessor is also associated with WIFI module or bluetooth module, is used for and air purification device
Connect, to realize when carbonomonoxide concentration, Airborne particulate content exceed threshold value, start air purification device, it is achieved air
Peace and quiet function.
In an embodiment of the present invention, described Temperature Humidity Sensor carries out the analysis of display components health status based on auxiliary power
And record uses ambient parameter.
In an embodiment of the present invention, described ambient light source sensor is viewed and admired in order to adjust optimum user environment light source and display
Background light source.
Compared to prior art, the method have the advantages that the present invention in addition to the function informed and advise, extendible chain
Receiving other electric equipment products in family, such as UV sensor can connect electrically driven curtain and turn off or on；PM2.5 detecting data
Startup or the closedown of air cleaner can be linked；CO Detector can link the house guard that building guard system reaches more broadly；
Temperature Humidity Sensor can link cold air conditioner and dehumidifier；Light source detector can link tunable optical indoor bulb, makes the bias light of TV
Source is along with room lighting actively regulation；Kilowatt meter can link intelligent electric meter；So, by can be using TV/display as center at home.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram.
Fig. 2 is kilowatt meter functional schematic of the present invention.
Fig. 3 is the efficiency curve diagram of display interior power supply unit.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
A kind of LCD TV with power supply and environment monitoring function of the present invention, including the microprocessor being arranged on LCD TV and
The kilowatt meter that is connected with this microprocessor, UV UV sensor, carbon monoxide transducer, acceleration transducer, PM2.5 air
Suspended particulates sensor, ambient light source sensor, Temperature Humidity Sensor；Described kilowatt meter for detect LCD TV input voltage,
Input current, input power and the output voltage of inside liquid crystal television power supply unit, output electric current, output；Described UV
UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate sensor, ambient light source sensor are respectively used to monitoring
Uitraviolet intensity, carbonomonoxide concentration, Airborne particulate content, brightness of illumination around LCD TV；Described acceleration transducer
For monitoring the angles of LCD TV and whether being rocked by external force；Described Temperature Humidity Sensor is used for monitoring inside liquid crystal television ring
Environmental temperature and humidity.
The function that described kilowatt meter and microprocessor realize power supply monitoring is specific as follows:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to LCD TV such as larger than 75W application demand, internal electric source supply is by foundation
Harmonic wave specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase place between input voltage and input current
Difference；
The output voltage of monitoring inside liquid crystal television power supply unit, output electric current, owing to inside liquid crystal television power supply unit exports
By the voltage source of one group to three group independence, and export one group to three groups different electric current to the load of inside liquid crystal television, therefore one can be obtained
Group, to three groups of voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, loads general power
One group detected for Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter
Output voltage, output electric current to three groups of voltage sources；
According toThe efficiency curve of inside liquid crystal television power supply unit can be obtained, LCD TV parts health time
Efficiency curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding LCD TV parts health, then judge
LCD TV parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or voluntarily reduction liquid crystal electricity
The load of viewing system row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
Described microprocessor is also associated with WIFI module or bluetooth module, for being connected with air purification device, to realize when an oxidation
When concentration of carbon, Airborne particulate content exceed threshold value, start air purification device, it is achieved the function of air cleaning.Described warm and humid
Degree sensor carries out analysis and the record use ambient parameter of LCD TV parts health status based on auxiliary power.Described environment
The environment light source that light source sensor is viewed and admired in order to adjust optimum user and LCD TV background light source.
Present invention also offers a kind of display with power supply and environment monitoring function, including the microprocessor being arranged on display
And be connected with this microprocessor kilowatt meter, UV UV sensor, carbon monoxide transducer, acceleration transducer, PM2.5
Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor；Described kilowatt meter is for detecting the input electricity of display
Pressure, input current, input power and the output voltage of display interior power supply unit, output electric current, output；Described UV
UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate sensor, ambient light source sensor are respectively used to monitoring
Uitraviolet intensity, carbonomonoxide concentration, Airborne particulate content, brightness of illumination around display；Described acceleration transducer is used
In the angles of monitor display and whether rocked by external force；Described Temperature Humidity Sensor is warm and humid for monitor display internal medium
Degree.
The function that described kilowatt meter and microprocessor realize power supply monitoring is specific as follows:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to display such as larger than 75W application demand, internal electric source supply will be according to humorous
Ripple specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase contrast between input voltage and input current；
The output voltage of monitor display internal electric source supply, output electric current, owing to display interior power supply unit exports by one
Group is to the voltage source of three groups of independences, and exports one group to three groups different electric current to the load of display interior, therefore can obtain one group to three
Group voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, load general power is
Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter detect one group is extremely
The output voltage of three groups of voltage sources, output electric current；
According toThe efficiency curve of display interior power supply unit can be obtained, display components health time efficiency
Curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding display components health, then judge display
Parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or reduce the negative of display system voluntarily
Carry row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
Described microprocessor is also associated with WIFI module or bluetooth module, for being connected with air purification device, to realize when an oxidation
When concentration of carbon, Airborne particulate content exceed threshold value, start air purification device, it is achieved the function of air cleaning.Described warm and humid
Degree sensor carries out analysis and the record use ambient parameter of display components health status based on auxiliary power.Described ambient light
The environment light source that source sensor is viewed and admired in order to adjust optimum user and display background light source.
Below for the present invention implement process.
As it is shown in figure 1, apparatus of the present invention include kilowatt meter, UV UV sensor, carbon monoxide transducer, acceleration transducer,
PM2.5 Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor.Wherein kilowatt meter mainly measures TV/display
The input power of device system and output, so-called input power refer to Utilities Electric Co. send into the voltage of TV/display, electric current,
Power three item data；Out-put supply refers to output data during the built-in power supply unit supply load of TV/display.UV is purple
Outer line sensor is used for detecting an oxidation around uitraviolet intensity around TV/display, CO Detector detecting TV/display
Concentration of carbon, acceleration transducer detecting TV/display angles and whether rocked by external force, PM2.5 detecting TV/display week
Enclose Airborne particulate content, the detecting ambient illumination brightness of light source detector, Temperature Humidity Sensor detecting TV/display interior environment
Humiture.
The effect of kilowatt meter, as in figure 2 it is shown, detected voltage/current by Utilities Electric Co.'s input, can obtain after being multiplied by voltage and current
Input power Pin=Vinrms*Iinrms* cos φ, when the power supply unit owing to using is more than 75W application demand, by foundation
Harmonic wave specification builds power factor corrector, therefore cos φ=1, φ=0 °, indicates and does not has phase place between input voltage and input current
Difference.Output suppose there is one group of voltage source to three groups of independences, and provides one group to three groups different electric current to load, and this load is permissible
It is defined as the backlight in TV/display, mainboard, loudspeaker, Tcon etc., so available one group to three groups output
Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, load general power is Po=Po1+Po2+Po3.
After kilowatt meter has measured the input and output power parameter of power supply unit, except can be in addition to interpretation power attenuation instantly and demand, also
Power supply unit conversion efficiency is calculated by signal processorIf Fig. 3 is common power supply unit efficiency curve diagram.
Presenting of efficiency, in addition to being typically expressed as power conversion rate, also it is equal to the generation rate of heat energy.Electricity with general TV/display
As a example by the supply normality design condition of source, total load power is the most all only the 70～80% of design power, its whole efficiency about up to
Between 85%～88%, conversion loss is 12%～15%.Convert with the power supply unit of 250W and lose 37.5W and be allocated in each turn
Changing and open up in general assembly, such heat energy is to be allowed to and to dissipate these heat wastes.
Under kilowatt meter monitors for a long time, this motion can detect power supply health status, that is when known load is about design power
80% time, the efficiency detected should fall within the thick line of Fig. 3.If the input/output effect that kilowatt meter and microprocessor conversion obtain
Rate less than the thick line of Fig. 3, then can represent that this power supply unit opens up the assembly in general block probably due to aging or other inside and outside
Reason is producing abnormal heat energy loss, and microprocessor is gone after should notifying user immediately or reducing system load voluntarily again and detected,
And data are recorded in data base or upload high in the clouds for depositing.
Humiture data in the machine that Temperature Humidity Sensor is measured, can be used for auxiliary power meter and synchronize to judge power supply unit cause of damage.
It is said that in general, the machine of operation under the conditions of hot and humid, its electronic building brick is easier to damage ahead of time because of aging effects, therefore temperature
Can assist to judge the environment that machine is in bad running the most for a long time when efficiency is deteriorated rapidly with two parameter indexs of humidity.
The data that UV UV sensor is detected, it is intended to the user of TV/display is watched in protection for a long time, makes especially daytime
When using machine, Chang Yinwei wants power saving to open curtain, causes a large amount of user to irradiate a large amount of ultraviolet and do not know.To this end, ultraviolet
Line sensor collects UV data timing when TV/display starts, when data are excessive or timing time is long, and in good time police
Show/remind that user closes curtain.
The environment light source data that light source detector is detected, by the backlight intensity set by collocation system, it is proposed that user adjusts the suitableeest
When view and admire brightness.LED illumination is day by day popularized, and directly irradiates to formula low angle owing to LED light source belongs to so that light source easily condenses
At the same area, affecting other needs background light source to show the device of picture.Through the setting of light source detector, can be at environment
In the case of light source deficiency, it is proposed that user turns down TV/display background light-source brightness simultaneously, reduce the stimulation to eyes；Also can be
In the case of environment light source is too strong, it is proposed that user draws high background light source intensity, reach optimal appreciation effect.
As it has been described above, user uses TV/display the ofest short duration time, therefore CO Detector and PNM2.5 detector
Construction, except can in danger time inform user and withdraw in addition to, WIFI or bluetooth device that more permeable TV/display is built-in are opened
Open the air purification device of surrounding, to reach to protect the user from air harm.
It addition, electrical equipment belongs to uprightly furnish under normal operating condition in family, but in special circumstances such as earthquake, child's climbing etc.,
All there is a possibility that this device swings even to topple over.Construction acceleration sensing device can notify when upper sequence situation occurs that system is closed or tight
Suddenly cut off the electricity supply, even produce audio warning and inform other neighbouring user.
It is contemplated that construction power supply and environment detector in TV/display, electric power detecting device is except informing the current machine of user
Outside the power attenuation situation of device, also monitor power supply unit health status.Power Supply Monitoring data can be recorded in high in the clouds or intelligence hands
In machine/device, record the behaviour in service of this machine and analyze use condition, design manufacturer can also be allowed to understand the type machine general simultaneously
Use hobby all over the mode set and user.The detecting of collocation environmental data, more can occur front/rear prompting in mistake and enter one
Step analyzes phenomenon and the reason that mistake occurs, and contributes to promoting next stage design knowledge.Meanwhile, environmental data also has protection use concurrently
Of task, while allowing the eye gaze of user picture, machine is the most helping user to watch whether surrounding produces danger attentively
The factor of evil user.
Be above presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, produced function without departing from
During the scope of technical solution of the present invention, belong to protection scope of the present invention.
Claims (10)
1. a LCD TV with power supply and environment monitoring function, it is characterised in that: include the micro-place being arranged on LCD TV
Reason device and the kilowatt meter being connected with this microprocessor, UV UV sensor, carbon monoxide transducer, acceleration transducer, PM2.5
Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor；Described kilowatt meter is for detecting the input of LCD TV
Voltage, input current, input power and the output voltage of inside liquid crystal television power supply unit, output electric current, output；
Described UV UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate sensor, ambient light source sensor are respectively
For monitoring uitraviolet intensity around LCD TV, carbonomonoxide concentration, Airborne particulate content, brightness of illumination；Described acceleration
Whether degree sensor is for monitoring the angles of LCD TV and being rocked by external force；Described Temperature Humidity Sensor is used for monitoring liquid crystal electricity
Depending on internal medium humiture.
The LCD TV with power supply and environment monitoring function the most according to claim 1, it is characterised in that: described kilowatt meter
The function realizing power supply monitoring with microprocessor is specific as follows:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to LCD TV more than 75W application demand, internal electric source supply will be according to humorous
Ripple specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase contrast between input voltage and input current；
The output voltage of monitoring inside liquid crystal television power supply unit, output electric current, owing to inside liquid crystal television power supply unit exports
One group of voltage source to three groups of independences, and export one group to three groups different electric current to the load of inside liquid crystal television, therefore one group can be obtained
To three groups of voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, load general power is
Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter detect one group is extremely
The output voltage of three groups of voltage sources, output electric current；
According toThe efficiency curve of inside liquid crystal television power supply unit can be obtained, LCD TV parts health time
Efficiency curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding LCD TV parts health, then judge
LCD TV parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or voluntarily reduction liquid crystal electricity
The load of viewing system row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
The LCD TV with power supply and environment monitoring function the most according to claim 1, it is characterised in that: described micro-process
Device is also associated with WIFI module or bluetooth module, for being connected with air purification device, to realize when carbonomonoxide concentration, air hang
When floating fraction of particle exceedes threshold value, start air purification device, it is achieved the function of air cleaning.
The LCD TV with power supply and environment monitoring function the most according to claim 1, it is characterised in that: described humiture
Sensor carries out analysis and the record use ambient parameter of LCD TV parts health status based on auxiliary power.
The LCD TV with power supply and environment monitoring function the most according to claim 1, it is characterised in that: described ambient light
The environment light source that source sensor is viewed and admired in order to adjust optimum user and LCD TV background light source.
6. a display with power supply and environment monitoring function, it is characterised in that: include the microprocessor being arranged on display
And be connected with this microprocessor kilowatt meter, UV UV sensor, carbon monoxide transducer, acceleration transducer, PM2.5
Airborne particulate sensor, ambient light source sensor, Temperature Humidity Sensor；Described kilowatt meter is for detecting the input electricity of display
Pressure, input current, input power and the output voltage of display interior power supply unit, output electric current, output；Described UV
UV sensor, carbon monoxide transducer, PM2.5 Airborne particulate sensor, ambient light source sensor are respectively used to monitoring
Uitraviolet intensity, carbonomonoxide concentration, Airborne particulate content, brightness of illumination around display；Described acceleration transducer is used
In the angles of monitor display and whether rocked by external force；Described Temperature Humidity Sensor is warm and humid for monitor display internal medium
Degree.
The display with power supply and environment monitoring function the most according to claim 6, it is characterised in that: described kilowatt meter with
The function that microprocessor realizes power supply monitoring is specific as follows:
Monitor display input voltage vinrms, electric current Iinrms, and calculate acquisition input power
Pin=Vinrms*Iinrms* cos φ, during due to display more than 75W application demand, internal electric source supply will be according to harmonic wave
Specification builds power factor corrector, therefore cos φ=1, φ=0 °, does not i.e. have phase contrast between input voltage and input current；
The output voltage of monitor display internal electric source supply, output electric current, owing to display interior power supply unit exports by one
Group is to the voltage source of three groups of independences, and exports one group to three groups different electric current to the load of display interior, therefore can obtain one group to three
Group voltage source output power Po1=Vo1*Io1, Po2=Vo2*Io2, Po3=Vo3*Io3, load general power is
Po=Po1+Po2+Po3, Vo1 and Io1, Vo2 Yu Io2, Vo3 and Io3, respectively kilowatt meter detect one group is extremely
The output voltage of three groups of voltage sources, output electric current；
According toThe efficiency curve of display interior power supply unit can be obtained, display components health time efficiency
Curve, if the efficiency eta of monitoring in real time0During less than efficiency in efficiency curve during corresponding display components health, then judge display
Parts are likely to occur aging or produce abnormal heat energy loss, now microprocessor notification user or reduce the negative of display system voluntarily
Carry row monitoring again, and by data record and data base or be uploaded to high in the clouds storage.
The display with power supply and environment monitoring function the most according to claim 6, it is characterised in that: described microprocessor
It is also associated with WIFI module or bluetooth module, for being connected with air purification device, to realize when carbonomonoxide concentration, air suspension
When fraction of particle exceedes threshold value, start air purification device, it is achieved the function of air cleaning.
The display with power supply and environment monitoring function the most according to claim 6, it is characterised in that: described humiture passes
Sensor carries out analysis and the record use ambient parameter of display components health status based on auxiliary power.
The display with power supply and environment monitoring function the most according to claim 6, it is characterised in that: described environment light source
The environment light source that sensor is viewed and admired in order to adjust optimum user and display background light source.
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| CN201610548544.0A CN106028110A (en) | 2016-07-13 | 2016-07-13 | Liquid crystal television or monitor with power supply and environment monitoring function |
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Cited By (1)
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