CN104460363B - The automatic shutdown method of display device and the display device using the method - Google Patents
The automatic shutdown method of display device and the display device using the method Download PDFInfo
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- CN104460363B CN104460363B CN201410539724.3A CN201410539724A CN104460363B CN 104460363 B CN104460363 B CN 104460363B CN 201410539724 A CN201410539724 A CN 201410539724A CN 104460363 B CN104460363 B CN 104460363B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
A kind of automatic shutdown method of display device is provided, is comprised the following steps：S1. the user of detection display device gives off multiple infrared spectrum signals of different frequency；S2. the multiple infrared spectrum signal is converted into multiple electric signals, the corresponding temperature value of each electric signal is calculated according to the multiple electric signal respectively；S3. the integrated radiant emittance value T with display device corresponding region is obtained according to the corresponding temperature value of each electric signal for calculating；S4. after the scheduled time of interval, repeat step S1 to S3 obtains multiple integrated radiant emittance value T1~Tn, wherein, n is positive integer；S5. the variation tendency of the multiple integrated radiant emittance value T1~Tn is analyzed, if the variation tendency of the multiple integrated radiant emittance value T1~Tn is default downward trend, judges that user is that, in sleep state, display device performs automatic shutdown operation；If the non-default downward trend of the variation tendency of the multiple integrated radiant emittance value T1~Tn, return to step S1.Whether the method sends the change of infra-red spectral energy by detecting user, judges user in sleep state, so as to perform automatic shutdown operation.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of display device automatic shutdown method and use the method
Display device.
Background technology
As the display devices such as electronic installation such as TV and computer screen enter daily life, display extensively
The more and more diversified demand different to meet user of function that equipment is carried.Timing shutdown is existed to meet user
Into after sleep state, display device still can then shut down to save a function of electric energy.But, timing shutdown function is made
It is a non intelligent application, as quarter-bell, can only be carried out according to fixed pattern, it is impossible to become with the change of objective condition
Change.User can only be estimated, it is impossible to what when accurately judged when timing shutdown is set according to the work and rest situation of oneself
Wait shutdown proper, one can only be selected to compare later time.After timing shutdown has been set, if user falls asleep in advance,
So display device also may proceed to work, until the scheduled time, like this, will result in the waste of substantial amounts of electric energy.In addition,
Because the sound and image of display device will not stop because of the sleep of user, the pollution sources of sound and light can be produced,
The ortho of user is influenceed, is damaged healthy.
Ultrared wavelength between 0.76~100 μm, by the scope of wavelength can be divided into near-infrared, in infrared, far infrared,
The class of extra-far infrared four, its position in electromagnetic wave continuous frequency spectrum is in the region between radio wave and visible ray.It is infrared
Beta radiation is a kind of most commonly used electromagenetic wave radiation present in nature, it be based on any object under conventional environment all
The random motion of molecule and atom of itself can be produced, is not stopped eradiation and is gone out thermal infrared energy, the motion of molecule and atom
More acutely, the energy of radiation is bigger, conversely, the energy of radiation is smaller.Object of the temperature more than absolute zero, all can be because of itself
Molecular motion and give off infrared ray.After the power signal of object radiation is converted into electric signal by pyroscan,
By control process, just can realize carrying out target remote temperature measurement and be analyzed judgement.
At present, only whether there is user to control the side of shutdown using infrared ray sensor sensing display device front
Whether method, be not in sleep state with the control method of automatic shutdown using pyroscan detection user.Therefore,
Whether being necessary can be with the control of automatic shutdown when developing a kind of utilization pyroscan detection user in sleep state
Method, to overcome above mentioned problem, energy-conserving and environment-protective ensure that user's is healthy simultaneously.
The content of the invention
A kind of automatic shutdown method it is an object of the invention to provide display device and the display device using the method,
Using detecting that user sends the change of infra-red spectral energy, by Algorithm Analysis, judge user whether in sleep shape
State, so as to perform automatic shutdown operation, energy-conserving and environment-protective.
According to an aspect of the present invention, there is provided a kind of automatic shutdown method of display device, comprise the following steps：
S1. the user of detection display device gives off multiple infrared spectrum signals of different frequency；
S2. the multiple infrared spectrum signal is converted into multiple electric signals, is counted respectively according to the multiple electric signal
Calculate the corresponding temperature value of each electric signal；
S3. the total radiation energy with display device corresponding region is obtained according to the corresponding temperature value of each electric signal for calculating
Value T；
S4. after the scheduled time of interval, repeat step S1 to S3 obtains multiple integrated radiant emittance value T1~Tn, wherein, n is
Positive integer；
S5. the variation tendency of the multiple integrated radiant emittance value T1~Tn is analyzed, if the multiple integrated radiant emittance value T1
The variation tendency of~Tn is default downward trend, then judge that user is that, in sleep state, display device performs automatic closing
Machine is operated；If the non-default downward trend of the variation tendency of the multiple integrated radiant emittance value T1~Tn, return to step S1.
Further, in the step S3, specifically, being entered to the corresponding temperature value of each electric signal using weight coefficient
Row weighted calculation, so as to obtain the integrated radiant emittance value T with display device corresponding region.
Further, in the step S5, specifically, before the display device performs automatic shutdown operation, if
Occur significantly fluctuating more than twice in the variation tendency of the multiple integrated radiant emittance value T1~Tn, judge at user
In sleep state.
Further, in the step S5, if specifically, the change of the multiple integrated radiant emittance value T1~Tn1
Trend is in continuous decrease trend or does not have continuous fluctuation, and display device enters pre- shutdown mode, wherein, n1<n.
Further, the pre- shutdown mode includes：The display brightness of display device is adjusted to the 50% of original brightness,
Volume is adjusted to the 50% of original volume.
Further, in the step S5, after display device enters pre- shutdown mode, if the multiple total spoke
The variation tendency for penetrating energy value Tn1~Tn is in continuous decrease trend or in moderate tone, and no more than twice by a small margin
Fluctuation, judges that user has been in sleep state, and display device performs automatic shutdown operation.
Further, in the step S1, the multiple infrared spectrum signal is that user's multiple different parts are made
It is the infrared spectrum signal of scanning element.
Further, in the step S2, specifically, the electric signal is voltage signal V.
Further, in the step S2, specifically, calculating the corresponding temperature value of each electric signal using formula (1)：
T=39.949+ (- 0.00926) × V (1)
According to another aspect of the present invention, there is provided a kind of display device, the display device is performed certainly using the above method
Dynamic power-off operation, specifically includes：
Sleep detection module, the user for detecting display device gives off multiple infrared spectrums letter of different frequency
Number；
Sleep judge module, for carrying out translation operation to the multiple infrared spectrum signal, obtains the display and sets
The integrated radiant emittance value T1~Tn of standby corresponding region, wherein, n is positive integer；And analyze the multiple integrated radiant emittance value T1~
The variation tendency of Tn, if the variation tendency of the multiple integrated radiant emittance value T1~Tn is default downward trend, judgement makes
User is, in sleep state, to send user and be in dormant judged result；
Shutdown processing module, receives the user and has been in dormant judged result, to display for basis
Equipment sends shutdown command or standby command.
The automatic shutdown method of the display device provided according to the present invention and the display device using the method, using detection
Whether user sends the change of infra-red spectral energy, by Algorithm Analysis, user is judged in sleep state, if sentenced
Disconnected user has been in sleep state, so as to perform automatic shutdown operation, is automatically switched off display device, and energy-conserving and environment-protective are to use
Person provides convenient.
Brief description of the drawings
By the description to embodiment for carrying out below in conjunction with the accompanying drawings, of the invention above-mentioned and/or other objects and advantages
Will become apparent, wherein：
Fig. 1 shows the flow chart of the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present；
Fig. 2 shows that the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present judges user not
In dormant analysis chart；
Fig. 3 shows that the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present is judged at user
In dormant analysis chart；
Fig. 4 shows the structural representation of the display device for providing according to an exemplary embodiment of the present.
Specific embodiment
Embodiments of the invention are reference will now be made in detail, the example of the embodiment is shown in the drawings, wherein, identical mark
Number identical part is referred to all the time.The embodiment will be below illustrated by referring to accompanying drawing, to explain the present invention.
Fig. 1 shows the flow chart of the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present.Such as
Shown in Fig. 1, in a kind of automatic shutdown method of display device according to an exemplary embodiment of the present invention, comprise the following steps：
S1. the user of detection display device gives off multiple infrared spectrum signals of different frequency；
S2. the multiple infrared spectrum signal is converted into multiple electric signals, is counted respectively according to the multiple electric signal
Calculate the corresponding temperature value of each electric signal；
S3. the total radiation energy with display device corresponding region is obtained according to the corresponding temperature value of each electric signal for calculating
Value T；
S4. after the scheduled time of interval, repeat step S1 to S3 obtains multiple integrated radiant emittance value T1~Tn, wherein, n is
Positive integer；
S5. the variation tendency of the multiple integrated radiant emittance value T1~Tn is analyzed, if the multiple integrated radiant emittance value T1
The variation tendency of~Tn is default downward trend, then judge that user is that, in sleep state, display device performs automatic closing
Machine is operated；If the non-default downward trend of the variation tendency of the multiple integrated radiant emittance value T1~Tn, return to step S1.
In the step S1, the multiple infrared spectrum signal is user's multiple different parts as scanning element
Infrared spectrum signal.
Preferably, in the step S2, the electric signal is voltage signal V, and calculates each telecommunications using formula (1)
Number corresponding temperature value：T=39.949+ (- 0.00926) × V (1)
Preferably, in the step S3, meter is weighted to the corresponding temperature value of each electric signal using weight coefficient
Calculate, so as to obtain the integrated radiant emittance value T with display device corresponding region.
In implementing, infrared remote receiver, infrared remote receiver pair are installed additional on the display device such as TV and computer screen
Receiving area is answered to be locked in the corresponding region in front of display device, such as in general user family, television set front is typically strip
Type sofa, user is sitting on sofa or is recumbent on a sofa and sees TV.TV carries out infrared receiver to the region for covering sofa.
Specifically, infrared remote receiver can be made using infrared displacement sensor newest at present, its special indoor design
The power of itself is relatively low, and to the ambient temperature effect very little for measuring, and the data amplification denoising part of uniqueness can be further
Precision and the degree of accuracy of data are improved, the sensitivity of 9.26 × 10-5 DEG C/mV can be reached.
By using the lucite of specific thermal coefficient of expansion inside infrared remote receiver, when being scanned to specific region, receive
To infrared ray can cause receiver inside lucite thermal expansion, make between lucite and infrared displacement sensor produce
Relative position changes, so as to change the capture area of infrared receiving tube, so that displacement transducer output voltage is also therewith
Change, produce corresponding electric signal.The master chip being then transferred on illustrious equipment mainboard is processed.Because body surface is different
Temperature, can give off the infrared ray of different frequency, and the infrared ray of different frequency is by after infrared remote receiver treatment, can produce not again
Same electric signal, so different electric signals, it is possible to represent the temperature of different scanning elements.Master chip is to the telecommunications that receives
Number corresponding temperature value is calculated into according to formula (1) T=39.949+ (- 0.00926) × V.
Scanning is caught because infrared remote receiver carries out single to specific region, it is actual to be adopted equivalent to a two field picture
Collection, therefore quantitative data can be generated, Y data-signal altogether such as can be generated to scanning area.Just contained in these data
The data points y of correspondence different temperatures.After master chip is according to formula (1) T=39.949+ (- 0.00926) × V temperature point datas,
The classification for referring again to table 1 is classified, and is then weighted according to weight coefficient, obtains a region integrated radiant emittance value
T。
Because employing the calculating that weight coefficient is carried out, the not real infrared energy value of the energy value.Plus
The effect of weight coefficient, is that the data of sensitizing range are amplified, and the data in insensitive region are typically processed.Such as
Body surface temperature change is different, and four limbs shell temperature is relative lower, and the change of the spot temperature such as head, neck is closer
In auxillary temperature change.The temperature change in these regions can more reflect the metabolism even sleep quality of human body.Like this, it is right
The weighting of specific range of temperatures divides also thinner, and weighting coefficient values are also some larger.
Data points y (individual) temperature range (DEG C) weight coefficient data points y (individual) temperature range (DEG C) weight coefficient.
Table 1
The region integrated radiant emittance value that infrared remote receiver is collected into for the first time is designated as T1.
T1=A1 × a+B1 × b+C1 × c+D1 × d+E1 × e+F1 × f+G1 × g+H1 × h+I1 × I+J1 × j+K1 × k
+L1×l+M1×m+N1×n+O1×o+P1×p
The region integrated radiant emittance value that infrared remote receiver is collected into for the second time is designated as T2.
T2=A2 × a+B2 × b+C2 × c+D2 × d+E2 × e+F2 × f+G2 × g+H2 × h+I2 × I+J2 × j+K2 × k
+L2×l+M2×m+N2×n+O2×o+P2×p
………
The rest may be inferred.
On the basis of the calculating of above-mentioned weight coefficient, display device can be spaced the scheduled time, such as every 1 minute, carry out
Single pass is simultaneously calculated as above to obtain Tn values, then carries out cumulative statistics, and operational analysis is carried out to all Tn data for obtaining.
Preferably, in the step S5, before the display device performs automatic shutdown operation, if the multiple total
Occur significantly fluctuating more than twice in the variation tendency of radiation energy value T1~Tn, judge that user is not in shape of sleeping
State.If the variation tendency of the multiple integrated radiant emittance value T1~Tn1 is in continuous decrease trend or does not have continuous fluctuation, show
Show that equipment enters pre- shutdown mode, wherein, n1<n.The pre- shutdown mode includes：The display brightness of display device is adjusted to former
Have the 50% of brightness, volume is adjusted to the 50% of original volume.After display device enters pre- shutdown mode, if the multiple
The variation tendency of integrated radiant emittance value Tn1~Tn is in continuous decrease trend or in moderate tone, and small size no more than twice
The fluctuation of degree, judges that user has been in sleep state, and display device performs automatic shutdown operation.
In implementing, Fig. 2 shows the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present
Judge that user is not in dormant analysis chart.As shown in Fig. 2 in any 10 minutes, body temperature is short twice or more than twice
In time if fluctuation, then display device judges not enter sleep for people, and is only the reduction of activity or other reasons are led
There is downward trend in the body temperature of cause, and centre occurs of short duration ascendant trend several times due to body movement.Like this, display sets
It is standby statistics before to be resetted, calculated since T1 again.
In implementing, Fig. 3 shows the automatic shutdown method of the display device for providing according to an exemplary embodiment of the present
Judge that user is in dormant analysis chart.If as shown in figure 3, the variation tendency of T1~T30 becomes in continuous decrease
Gesture does not have continuous wave emotionally condition, and display device initially enters pre- shutdown mode.The display brightness of display device is adjusted to original
The 50% of brightness, volume is adjusted to the 50% of original volume.
Specifically, the automatic shutdown method of the display device for showing to provide according to an exemplary embodiment of the present in Fig. 3 is sentenced
Disconnected user is on the basis of sleep state, and display device proceeds data acquisition, when T40：
If T31->The variation tendency of T40 continues on a declining curve, and has no more than fuctuation within a narrow range twice (by holding
Continuous time and slope may determine that) if, then when reaching T40, display device judges that user has fallen asleep, and can perform automatically
Power-off operation.
If T31->The variation tendency of T40 be in moderate tone, and have no more than twice fuctuation within a narrow range (by it is lasting when
Between and slope may determine that) if, then reach T40 when, display device also judges that user has fallen asleep, and can automatically perform pass
Machine is operated.
If T31->Being unsatisfactory for if above two condition occurs in the variation tendency of T40, then be considered as user and do not sleep
, statistics resets before, restart to count.
Fig. 4 shows the structural representation of the display device for providing according to an exemplary embodiment of the present.As shown in figure 4, root
According to display device provided in an embodiment of the present invention, the display device performs automatic shutdown and operates using the above method, specific bag
Include：
Sleep detection module 1, the user for detecting display device gives off multiple infrared spectrums of different frequency
Signal；
Sleep judge module 2, for carrying out translation operation to the multiple infrared spectrum signal, obtains the display and sets
The integrated radiant emittance value T1~Tn of standby corresponding region, wherein, n is positive integer；And analyze the multiple integrated radiant emittance value T1~
The variation tendency of Tn, if the variation tendency of the multiple integrated radiant emittance value T1~Tn is default downward trend, judgement makes
User is, in sleep state, to send user and be in dormant judged result；
Shutdown processing module 3, receives the user and has been in dormant judged result, to display for basis
Equipment sends shutdown command or standby command.
Preferably, the electronic equipment can be display, television set, game machine, and mobile terminal etc. has audio frequency and video concurrently and broadcasts
The electronic equipment put.
The automatic shutdown method of the display device provided according to the present invention and the display device using the method, using detection
Whether user sends the change of infra-red spectral energy, by Algorithm Analysis, user is judged in sleep state, if sentenced
Disconnected user has been in sleep state, so as to perform automatic shutdown operation, is automatically switched off display device, and energy-conserving and environment-protective are to use
Person provides convenient.
Each embodiment is merely exemplary more than of the invention, and the present invention is not limited to this.Art technology
Personnel should be appreciated that：Without departing from the principles and spirit of the present invention, can change these embodiments, wherein,
The scope of the present invention is limited in claim and its equivalent.
Claims (8)
1. a kind of automatic shutdown method of display device, comprises the following steps:
S1. the user of detection display device gives off multiple infrared spectrum signals of different frequency；The multiple infrared ray
Spectrum signal is infrared spectrum signal of user's multiple different parts as scanning element；
S2. the multiple infrared spectrum signal is converted into multiple electric signals, is calculated respectively often according to the multiple electric signal
The corresponding temperature value of individual electric signal；
S3. the corresponding temperature value of each electric signal for calculating is weighted using weight coefficient, is obtained and display device
The integrated radiant emittance value T of corresponding region；
S4. after the scheduled time of interval, repeat step Sl to S3 obtains multiple integrated radiant emittance value T1~Tn, wherein, n is just whole
Number；
S5. the variation tendency of the multiple integrated radiant emittance value T1~Tn is analyzed, if the multiple integrated radiant emittance value T1~Tn
Variation tendency then judge that user is that in sleep state, display device performs automatic shutdown behaviour for default downward trend
Make:If the non-default downward trend of the variation tendency of the multiple integrated radiant emittance value T1~Tn, return to step Sl.
2. the automatic shutdown method of display device according to claim 1, it is characterised in that in the step S5, tool
Body, if occurring significantly fluctuating more than twice in the variation tendency of the multiple integrated radiant emittance value T1~Tn, judge
User is not in sleep state.
3. the automatic shutdown method of display device according to claim 1, it is characterised in that in the step S5, institute
Before stating display device execution automatic shutdown operation, if the variation tendency of the multiple integrated radiant emittance value T1~Tn1 is pre-
If in continuous decrease trend or not having continuous fluctuation in the time period, display device enters pre- shutdown mode, wherein, n1<n.
4. the automatic shutdown method of display device according to claim 3, it is characterised in that the pre- shutdown mode bag
Include:The display brightness of display device is adjusted to the 50% of original brightness, and volume is adjusted to the 50% of original volume.
5. the automatic shutdown method of the display device according to claim 3 or 4, it is characterised in that in the step S5,
After display device enters pre- shutdown mode, if the variation tendency of the multiple integrated radiant emittance value Tn1~Tn is in continued
Downward trend or in moderate tone, and no more than fluctuation by a small margin twice, oneself is in sleep state, display to judge user
Equipment performs automatic shutdown operation.
6. the automatic shutdown method of display device according to claim 1, it is characterised in that in the step S2, tool
Body, the electric signal is voltage signal V.
7. the automatic shutdown method of display device according to claim 6, it is characterised in that specifically, using formula (1)
Calculate the corresponding temperature value of each electric signal:
T=39.949+ (- 0.00926) × V (1).
8. a kind of display device, it is characterised in that the method described in the display device usage right requirement any one of 1-7 is performed
Automatic shutdown is operated, and is specifically included:
Sleep detection module, the user for detecting display device gives off multiple infrared spectrum signals of different frequency；
The multiple infrared spectrum signal is infrared spectrum signal of user's multiple different parts as scanning element；
Sleep judge module, for the multiple infrared spectrum signal to be converted into multiple electric signals, according to the multiple electricity
Signal calculates the corresponding temperature value of each electric signal respectively；Using weight coefficient to calculate the corresponding temperature value of each electric signal
It is weighted, obtains the integrated radiant emittance value T1~Tn of the display device corresponding region, wherein, n is positive integer；And point
The variation tendency of the multiple integrated radiant emittance value T1~Tn is analysed, if the variation tendency of the multiple integrated radiant emittance value T1~Tn
It is default downward trend, then judges that user is that, in sleep state, oneself is in dormant judgement knot to send user
Really；
Shutdown processing module, for oneself to be in dormant judged result according to the user is received, to display device
Send shutdown command or standby command.
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| WO2017124537A1 (en) * | 2016-01-24 | 2017-07-27 | 吴晓敏 | Smart television having user state detection function and method for controlling same |
| JP6720033B2 (en) * | 2016-09-14 | 2020-07-08 | 株式会社Ｓｃｒｅｅｎホールディングス | Heat treatment equipment |
| CN109682074B (en) * | 2017-10-19 | 2021-08-06 | 芜湖美的厨卫电器制造有限公司 | Control method of water heater and control method of air conditioner |
| CN109068176A (en) * | 2018-10-26 | 2018-12-21 | 四川长虹电器股份有限公司 | TV suspend mode control system |
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