CN114664212A - Method for realizing low power consumption of polarized light converter for LCD projection - Google Patents
Method for realizing low power consumption of polarized light converter for LCD projection Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a method for realizing low power consumption of a polarized light converter of LCD projection, which is characterized in that after an analyzed LCD projection device is obtained, data interception is carried out on the use habit of a user corresponding to the LCD projection to obtain the target use times Yj, the target segment occupation ratios Ej alpha j and beta j corresponding to all standard time periods Zj; then, according to the obtained standard use times Yj of the standard time interval Zj and the obtained standard segment occupation ratios Ej, alpha j and beta j, performing segment analysis, and analyzing specific parameters of each time interval to obtain all random time intervals, key time intervals and common time intervals; and then, according to different time period attributes, performing energy-saving control on the automatic power supply of the target equipment according to the time period properties, and considering two factors of convenience and energy saving for users in different time periods to perform related control on the automatic power supply.
Description
Technical Field
The invention relates to the technical field of automatic power supply low power consumption, in particular to a method for realizing low power consumption of a polarized light converter for LCD projection.
Background
The patent with publication number CN213457719U discloses a low-power consumption intelligent power supply management and control system of radio monitoring equipment, which comprises a battery, a power supply switch circuit, a low-power consumption single chip microcomputer, a power supply chip special for the single chip microcomputer, a power supply chip special for a ZYNQ device and a ZYNQ device, wherein the battery is connected with the power supply switch circuit and the ZYNQ device; the power switch circuit is connected with the low-power-consumption singlechip, a power chip special for the singlechip and a power chip special for the ZYNQ device; the power supply chip special for the single chip microcomputer is connected with the low-power-consumption single chip microcomputer; the power supply chip special for the ZYNQ device is connected with the ZYNQ device; the low-power consumption singlechip is connected with the ZYNQ device and a special power chip for the ZYNQ device. According to the power-on or power-off dormancy of the ZYNQ device, the ZYNQ device is communicated with the low-power-consumption single chip, the low-power-consumption single chip controls the enabling or disabling of the special power chip of the ZYNQ device, and therefore the invalid power consumption of the ZYNQ system in an idle state is reduced.
Although the patent discloses a related patent of low power consumption of the device, a reasonable analysis mode of the use state of the target device is lacked for the polarized light converter automatic power supply of the LCD projection device, some regular data can be arranged according to the use habit, and the power supply low power consumption energy saving is conveniently provided with some auxiliary data.
Disclosure of Invention
The invention aims to provide a method for realizing low power consumption of a polarized light converter for LCD projection;
the purpose of the invention can be realized by the following technical scheme:
a method for realizing low power consumption of a polarized light converter for LCD projection specifically comprises the following steps:
the method comprises the following steps: the method comprises the following steps of intercepting data of the use habit of a user corresponding to the LCD projection equipment, wherein the main mode of intercepting the data is as follows:
s1: after the LCD projection equipment is marked as target equipment, firstly, time interval division is carried out, and one day is divided into m standard time intervals;
s2: then, determining the number of times of use and the segment occupation ratio according to the use condition of the target equipment user in each standard time period in the approaching stage;
s3: then according to the number of use times and the segment usage ratio of the target equipment in each standard time period, determining respective deviation evaluation values U by means of the average value of the group of values of all the number of use times and the whole group of values, determining deviation correction values according to the relation between the deviation evaluation values U and X1, determining deviation correction ratio according to the proportion of the deviation correction values and the number of the values in the number of use times, and determining to mark the corresponding time period as an unordered time period or mark the average value of the values of the rest Ci after corresponding deletion as the mark use times of the corresponding standard time period according to the comparison result;
s4: then, any standard time interval is selected in sequence, the segment occupation ratio in the approach stage of the standard time interval is obtained, the deviation correction occupation ratio of the standard time interval is obtained according to the same principle of the step S3 and is marked as the deviation correction occupation ratio, and when the deviation correction occupation ratio exceeds B1, the corresponding time interval is marked as the disordered occupation segment;
synchronously marking the value of the corresponding mark using times calculated by the formula as the mark segment ratio according to the same principle;
s5: obtaining the standard use times and the standard segment occupation ratios of all the standard time periods, obtaining the standard time periods which are correspondingly marked as the unordered time periods and the unordered occupation segments, and obtaining the standard use times Yj, the standard segment occupation ratios Ej, alpha j and beta j of the standard time period Zj according to the marking condition, wherein j =1,. and m;
step three: according to the obtained standard time interval Zj standard use times Yj, standard segment occupation ratios Ej, alpha j and beta j, performing segment analysis, wherein the specific mode of the segment analysis is as follows:
s01: calculating segment essential values Qj of all standard time segments Zj according to a formula, and marking the time segments with the values of zero as random time segments;
s02: then removing the random time interval, marking the rest standard time interval as a coreable time interval, calculating second-stage essential values of all the coreable time intervals by using a formula, and sequencing the coreable time intervals from large to small according to the sequence of the second-stage essential values from large to small to obtain a coreable time interval sequence;
s03: marking the first B2 proportional number of the sequence of the checkable time periods as the key time periods, and the rest as the common time periods;
step four: performing energy-saving control on an automatic power supply of the target equipment according to the random time interval, the key time interval and the common time interval, and performing energy-saving control by using T2 time as reference time in the common time interval;
performing energy-saving control by taking T3 time as reference time in a key time period;
the power saving control is performed at a random period using the time T4 as a reference time.
The invention has the beneficial effects that:
according to the method, after the analyzed LCD projection equipment is obtained, data interception is carried out on the use habits of users corresponding to the LCD projection, and the target use times Yj, the target segment occupation ratios Ej alpha j and beta j corresponding to all standard time periods Zj are obtained; then, according to the obtained standard use times Yj of the standard time interval Zj and the obtained standard segment occupation ratios Ej, alpha j and beta j, performing segment analysis, and analyzing specific parameters of each time interval to obtain all random time intervals, key time intervals and common time intervals;
and then, according to different time period attributes, performing energy-saving control on the automatic power supply of the target equipment according to the time period properties, and considering two factors of convenience and energy saving for users in different time periods to perform related control on the automatic power supply.
Drawings
Fig. 1 is a flowchart of a first embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is a method for realizing low power consumption of a polarized light converter for LCD projection;
as a first embodiment of the present invention, the method provided by the present application specifically includes the following steps:
the method comprises the following steps: firstly, selecting the corresponding LCD projection equipment to be analyzed;
step two: the method comprises the following steps of carrying out data interception on the use habit of a user corresponding to the LCD projection equipment, wherein the specific mode of the data interception is as follows:
s1: marking the LCD projection as a target device;
s2: dividing time intervals, namely dividing one day into 24 standard time intervals, starting the standard time intervals from zero, setting the time intervals from zero to one point as a first time interval, and repeating the steps to obtain all the standard time intervals;
s3: acquiring the use times and the segment use ratio of the target equipment in each time period;
the number of times of use refers to that the target equipment stops after being used, if the target equipment is not used again after T1 time, the numerical value of the number of times of use is automatically added by one, whether the number of times of use is generated or not is continuously judged, and the number of times of use corresponding to the standard time period is obtained;
t1 is a time value preset by the administrator, and the specific value in this embodiment is 5 minutes;
the segment occupancy ratio refers to the time length of the target equipment used in the standard time period, and the obtained numerical value is marked as the segment occupancy ratio by dividing the total time length of the standard time period;
s4: obtaining the use times and the segment use ratio of all the standard time segments according to the mode of the step S3;
s5: selecting a standard time period optionally, and acquiring the use times of the target equipment in the standard time period in each day of the last half year;
s6: marking all the use times as Ci, i =1,.., n, where n may specifically take a value of 180, specifically referring to that the last half year in the foregoing step S5 specifically means that the current time is counted from the current time and the current time is pushed forward for 180 days, the current day data of the obtained use times is not included, C1 is pushed forward for 180 days, and Cn is the previous day data of the obtained use times of the target device;
s7: obtaining the mean value of n groups of Ci values, and marking the mean value as P;
s8: calculating a partial evaluation value U corresponding to the n groups of using times Ci by using a formula, wherein the specific calculation formula of the partial evaluation value U is as follows:
when U exceeds X1, X1 is a preset value, and the numerical value is deleted by setting by a manager according to the requirement, wherein the specific mode of deleting the numerical value is as follows:
sequentially acquiring corresponding Ci values according to the sequence of Ci-P from big to small, automatically deleting one Ci value when acquiring the one Ci value, recalculating U values of the rest Ci after deleting, judging again, selecting the next Ci value according to the sequence if U still exceeds X1, and recalculating U values until the U value does not exceed X1;
s8: acquiring the number of the deleted Ci values, marking the number as a deviation correction value, automatically dividing the deviation correction value by n to obtain a deviation correction ratio, and marking the corresponding time period as an unordered time period when the deviation correction ratio exceeds B1; here, B1 is a preset value, and is less than 1, usually 0.5;
otherwise, correspondingly marking the mean value of the rest Ci values as the marking use times of the corresponding time period;
if the U value is not more than X1 initially or is marked as a disordered time period, marking the average value of all Ci as the mark using times;
s9: then obtaining the next standard time interval, repeating the steps S5-S9, and obtaining the standard use times and the unordered time intervals of all the standard time intervals after all the standard time intervals are processed;
s10: then, optionally selecting a standard time period again, acquiring the segment occupancy ratio of the next half year, and marking the segment occupancy ratio as Di, i =1,. once, n;
s11: then, calculating the average value of Di by using a formula, marking the average value as E, and then calculating the ionomeric value L of the segment occupancy ratio by using the formula, wherein the specific calculation formula is as follows:
when L exceeds X1, the numerical value deletion is automatically carried out, and the specific mode of the numerical value deletion is as follows:
sequentially acquiring corresponding Di values according to the sequence of Di-E from large to small, and automatically deleting the Di values when one Di value is acquired;
recalculating the L value of the residual Di after deletion, judging again, if the L still exceeds X1, selecting the next Di value according to the sequence, and recalculating the L value until the L value does not exceed X1;
s12: acquiring the number of the deleted Di values, marking the number as a separation-correction value, automatically dividing the separation-correction value by n to obtain a separation-correction ratio, and when the separation-correction ratio exceeds B1, marking the corresponding time period as an unordered occupied section;
otherwise, correspondingly marking the average value of the residual Di values as the mark segment ratio of the corresponding time period; in the step, if L is not more than X1 initially or is marked as a disordered occupation section, marking the average value of all Di as a mark section occupation ratio;
s13: then, selecting a standard time interval, repeating the steps S10-S13, and obtaining the standard time interval ratio and the unordered time interval after all the standard time intervals are processed;
s14: obtaining the standard use times and the standard segment ratio of all the standard time segments, obtaining the standard time segments marked as the unordered time segments and the unordered occupied segments correspondingly, and defining specific numerical values of alpha and beta according to the marking conditions:
when any standard time interval is marked as an unordered time interval, marking the value of alpha as 0, otherwise, marking the value of alpha as 1;
when any standard time period is marked as an unordered occupying period, marking the value of beta as 0, otherwise, marking as 1;
s15: marking the standard time period as Zj, j =1, ·, 24; the corresponding target usage times are labeled Yj, j =1, ·, 24; segment proportion is marked as Ej, j =1, ·, 24; corresponding to α j and β j, j =1, · 24;
step three: according to the obtained standard time interval Zj standard use times Yj, standard segment occupation ratios Ej, alpha j and beta j, performing segment analysis, wherein the specific mode of the segment analysis is as follows:
s01: calculating segment essential values Qj of all standard time segments Zj according to a formula, wherein the specific calculation formula is as follows:
Qj=0.47*（（Yj+1）*αj）+0.53*（（Ej+1）*βj）；
here, 0.47 and 0.53 are both preset weights for reflecting different importance of different factors, and managers can modify according to actual conditions;
s02: obtaining Qj values of all standard time periods Zj, and marking the time period with the value of zero as a random time period;
s03: and then removing the random time interval, marking the rest standard time interval as a coreable time interval, and calculating two-stage important values of all the coreable time intervals by using a formula, wherein the specific calculation formula is as follows:
secondary importance =0.47 × (Yj × (α j + 1)) +0.53 × (Ej × (β j + 1));
in the formula, Yj, alpha j, Ej, beta j and the checkable time interval are in one-to-one correspondence;
s04: then, sequencing the coreable time intervals from large to small according to the sequence of the two essential values from large to small to obtain a coreable time interval sequence;
s05: marking the diagnosable time intervals corresponding to the quantity of the first B2 proportion of the diagnosable time interval sequence as key time intervals, and automatically rounding during calculation; the remaining markers are normal periods;
step four: acquiring all random time periods, key time periods and common time periods, and performing energy-saving control on the automatic power supply of the target equipment according to the properties of the time periods, wherein the specific energy-saving control mode is as follows:
SS 1: when the current time interval is in the ordinary time interval, if the T2 time of the target equipment is not used, namely no new video source is input, the sleep state is automatically entered, and when the T2 time which is 1.5 times that of the target equipment is not used, the power supply is automatically cut off;
SS 2: when the current time interval is in a key time interval, if the T3 time of the target equipment is not used, namely no new video source is input, the target equipment automatically enters a dormant state, and when the T3 time which is 2 times that of the target equipment is not used, power supply is automatically cut off;
SS 3: when the current time interval is in the random time interval, if the T4 time of the target equipment is not used, namely no new video source is input, the sleep state is automatically entered, and when the T4 time which is 2.5 times that of the target equipment is not used, the power supply is automatically cut off;
here, T2, T3, and T4 are all preset times, and satisfy T2< T3< T4; where T4 is 10 minutes or less; in this embodiment, T4 takes 10 minutes, T3 takes 7 minutes, and T2 takes 5 minutes;
step five: and finishing the automatic power supply low-power consumption control method of the target equipment.
As an embodiment two of the present invention, in the specific implementation of the present application, compared to the embodiment one, the difference is that in the embodiment, T4 is taken as 8 minutes, T3 is taken as 5 minutes, and T2 is taken as 3 minutes;
randomly walking the first embodiment and the second embodiment on a plurality of experiments for experiencing for half a year, correspondingly collecting sample data, wherein the sample data comprises an evaluation score and the average power consumption of a single day, the evaluation score is an average value of specific scores given by experience users, comparing the two data, and obtaining the following conclusion after synthesis:
| example one | Example two | |
| Evaluation score | 87% | 115% |
| Average power consumption | 125% | 80% |
The data in the table are indicated as eighty-seven percent of the evaluation score of the first embodiment, and one hundred-fifteen percent of the evaluation score of the second embodiment; the remaining average power consumption remains consistent with this definition;
as a third embodiment of the present invention,
in practical implementation, the specific implementation manner provided by the method is different from that of the first embodiment only in that one day is divided into 24 standard time intervals, and the day is modified into 48 time intervals, wherein each half hour is one standard time interval and starts from the zero point;
as a fourth embodiment of the present invention,
in specific implementation, the difference of the other third embodiment is only that in this embodiment, T4 is taken to be 8 minutes, T3 is taken to be 5 minutes, and T2 is taken to be 3 minutes;
as a supplement to the embodiments of the present invention, specific values of T4, T3, and T2 in the embodiments provided in the present application may be adjusted according to actual requirements, and it is only necessary to ensure that the value of T4 does not exceed ten minutes;
based on the above-mentioned experiments, the manager can determine a suitable preferred embodiment as needed.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A method for realizing low power consumption of a polarized light converter for LCD projection is characterized by comprising the following steps:
the method comprises the following steps: the method comprises the following steps of intercepting data of the use habit of a user corresponding to the LCD projection equipment, wherein the main mode of intercepting the data is as follows:
s1: after the LCD projection equipment is marked as target equipment, firstly, time interval division is carried out, and one day is divided into m standard time intervals;
s2: then, determining the number of times of use and the segment occupation ratio according to the use condition of the target equipment user in each standard time period in the approaching stage;
s3: then according to the number of use times and the segment usage ratio of the target equipment in each standard time period, determining respective deviation evaluation values U by means of the average value of the group of values of all the number of use times and the whole group of values, determining deviation correction values according to the relation between the deviation evaluation values U and X1, determining deviation correction ratio according to the proportion of the deviation correction values and the number of the values in the number of use times, and determining to mark the corresponding time period as an unordered time period or mark the average value of the values of the rest Ci after corresponding deletion as the mark use times of the corresponding standard time period according to the comparison result;
s4: then, any standard time interval is selected in sequence, the segment occupation ratio in the approach stage of the standard time interval is obtained, the deviation correction occupation ratio of the standard time interval is obtained according to the same principle of the step S3 and is marked as the deviation correction occupation ratio, and when the deviation correction occupation ratio exceeds B1, the corresponding time interval is marked as the disordered occupation segment;
synchronously marking the value of the corresponding mark using times calculated by the formula as the mark segment ratio according to the same principle;
s5: obtaining the mark use times and mark segment occupation ratios of all standard time periods, obtaining the standard time periods correspondingly marked as disordered time periods and disordered occupation segments, and obtaining the mark use times Yj, mark segment occupation ratios Ej, alpha j and beta j of the standard time period Zj according to the marking condition, wherein j =1, · m;
step two: according to the obtained standard time interval Zj standard use times Yj, standard segment occupation ratios Ej, alpha j and beta j, performing segment analysis, wherein the specific mode of the segment analysis is as follows:
s01: calculating segment essential values Qj of all standard time segments Zj according to a formula, and marking the time segments with the values of zero as random time segments;
s02: then removing the random time interval, marking the rest standard time interval as a coreable time interval, calculating second-stage essential values of all the coreable time intervals by using a formula, and sequencing the coreable time intervals from large to small according to the sequence of the second-stage essential values from large to small to obtain a coreable time interval sequence;
s03: marking the first B2 proportional number of the sequence of the checkable time periods as the key time periods, and the rest as the common time periods;
step three: according to the random time interval, the key time interval and the common time interval, the automatic power supply of the target equipment is subjected to energy-saving control, and the method specifically comprises the following steps:
the energy-saving control is performed by using the time T2 as the reference time in the ordinary time period, the energy-saving control is performed by using the time T3 as the reference time in the important time period, and the energy-saving control is performed by using the time T4 as the reference time in the random time period.
2. A method for realizing low power consumption of polarized light converter for LCD projection as claimed in claim 1,
when the time period is divided in step S1, a day is divided into 24 standard time periods, where the standard time period starts from zero, and the time from zero to one point is the first standard time period, and so on, so as to obtain all the standard time periods.
3. The method for realizing low power consumption of the polarized light converter for LCD projection as claimed in claim 1, wherein the specific way of acquiring the number of uses and the segment occupation ratio of the target device in each standard time period in the approach phase in step S2 is as follows:
the number of times of use refers to that the target equipment stops after being used, if the target equipment is not used again within T1 time after the target equipment stops being used, the number of times of use is automatically added by one, whether the number of times of use is generated or not is continuously judged, and the number of times of use corresponding to the standard time period is obtained;
t1 is a time value preset by a manager, and the specific value is 5 minutes;
the segment occupancy ratio refers to the time length of the target equipment used in the standard time period, and the obtained numerical value is marked as the segment occupancy ratio by dividing the total time length of the standard time period;
the number of uses and the segment occupancy ratio of all the standard time segments are obtained in the above manner.
4. The method for realizing low power consumption of the polarized light converter for LCD projection as claimed in claim 1, wherein the specific way of determining the disordered time period or the target use times in step S3 is as follows:
optionally selecting a standard time period, acquiring the use times of the target device in the approach stage every day in the standard time period, and marking all the use times as Ci, wherein i =1,. once, n is a positive integer;
obtaining the average value of n Ci values, marking the average value as P, and calculating a partial evaluation value U corresponding to n groups of using times Ci by using a formula, wherein the specific calculation formula of the partial evaluation value U is as follows:
when the U value exceeds X1, X1 is a preset value, numerical value deletion is carried out, and the U value is recalculated after the numerical value deletion until the U value does not exceed X1;
acquiring the number of the deleted Ci values, marking the number as a deviation correction value, and automatically dividing the deviation correction value by n to obtain a deviation correction ratio;
and then comparing the deviation correction ratio with B1, and determining to mark the corresponding time interval as an unordered time interval or mark the average value of the values of the rest Ci after deletion as the marked use times of the corresponding standard time interval according to the comparison result.
5. A method for realizing low power consumption of polarized light converter for LCD projection as claimed in claim 4,
n is 180, specifically, the approach phase refers to a time period of pushing forward for 180 days from the current time, the current day data of the obtained use times is not included, C1 refers to pushing forward for 180 days, and Cn refers to the previous day data of the obtained use times of the target device.
6. The method of claim 4, wherein the numerical value is deleted by:
sequentially acquiring corresponding Ci values according to the sequence of Ci-P from big to small;
when a Ci value is obtained, the Ci value is automatically deleted, and the U values of the rest Ci are recalculated after the Ci value is deleted;
and re-judging the relation between the U value and X1, if U still exceeds X1, selecting the next Ci value in sequence, and re-calculating the U value until the U value does not exceed X1.
7. The method for realizing low power consumption of the polarized light converter for LCD projection as claimed in claim 1 or 4, wherein the specific way of comparing the skew correction duty ratio with B1 to determine the disordered time period or the standard use times is as follows:
when the deviation correction ratio exceeds B1, marking the corresponding time period as an unordered time period; here B1 is a preset value and it is less than 1;
otherwise, correspondingly marking the mean value of the residual Ci values as the mark using times corresponding to the standard time period;
if the value of U does not initially exceed X1 or is marked as a period of unordered time, the average of all Ci is marked as the number of marked uses.
8. The method for realizing low power consumption of the polarized light converter for LCD projection as claimed in claim 2, wherein the specific manner of obtaining the index-use times Yj, the index-segment ratios Ej, α j and β j of the standard time period Zj in step S5 is as follows:
when any standard time interval is marked as an unordered time interval, marking the value of alpha as 0, otherwise, marking the value of alpha as 1;
when any standard time period is marked as an unordered occupying period, marking the value of beta as 0, otherwise, marking the value of beta as 1;
marking the standard time period as Zj, j =1, · 24; the corresponding target usage times are labeled Yj, j =1, ·, 24; segment proportion is marked as Ej, j =1, ·, 24; corresponding to α j and β j, j =1, ·, 24.
9. The method of claim 1, wherein the specific formula of the important value Qj in step S01 is as follows:
Qj=0.47*（（Yj+1）*αj）+0.53*（（Ej+1）*βj）；
the specific calculation formula of the second-class essential value in step S02 is:
secondary importance =0.47 × (Yj × (α j + 1)) +0.53 × (Ej × (β j + 1));
in the formula, Yj, α j, Ej, β j and the coreable time period are in one-to-one correspondence.
10. The method of claim 1, wherein the step three of controlling the automatic power supply of the target device in a power-saving manner comprises:
the method comprises the following steps of performing energy-saving control on an automatic power supply of target equipment according to the properties of time periods at random time periods, key time periods and common time periods, wherein the specific energy-saving control mode is as follows:
SS 1: when the current time interval is in the ordinary time interval, if the T2 time of the target equipment is not used, namely no new video source is input, the sleep state is automatically entered, and when the T2 time which is 1.5 times that of the target equipment is not used, the power supply is automatically cut off;
SS 2: when the current time interval is in the key time interval, if the target equipment T3 is not used, namely no new video source is input, the sleep state is automatically entered, and when the time 2 times T3 is not used, the power supply is automatically cut off;
SS 3: when the current time interval is in the random time interval, if the T4 time of the target equipment is not used, namely no new video source is input, the sleep state is automatically entered, and when the T4 time which is 2.5 times that of the target equipment is not used, the power supply is automatically cut off;
here, T2, T3, and T4 are all preset times, and satisfy T2< T3< T4; and T4 satisfies 10 minutes or less.
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