CN113010002A - Power utilization control system and method based on big data - Google Patents
Power utilization control system and method based on big data Download PDFInfo
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3231—Monitoring the presence, absence or movement of users
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention discloses a big data-based power utilization control system and a big data-based power utilization control method, wherein the control system comprises a user reading database, a trigger detection module, a reading mode acquisition module, a manual mode analysis and judgment module and an automatic mode analysis and judgment module, the user reading database is used for storing historical reading keywords of a user, the trigger detection module is used for detecting whether an electronic reader enters an electronic book page or not, when the electronic book page is detected to enter, the reading mode acquisition module is used for acquiring the current reading mode of the electronic reader, the reading mode comprises automatic page turning and manual page turning, and when the current reading mode is manual page turning, the manual mode analysis and judgment module is used for analyzing the current reading page and judging whether the electronic reader is used for turning the screen.
Description
Technical Field
The invention relates to the technical field of screen control, in particular to a power utilization control system and method based on big data.
Background
Although the traditional paper books are textured when being held in hands, the traditional paper books are inconvenient to carry, and especially when people go out, the traditional paper books are uncomfortable to carry with thick books, so that people who love reading are inconvenient. With the rapid development of technology, electronic readers have appeared. An e-reader is a portable device dedicated to displaying digital versions of written material from books, magazines, newspapers and other sources of print, and may carry several, tens or hundreds of books.
In the prior art, when a user uses an electronic reader and does not use the electronic reader for reading, the user often forgets to lock the screen of the electronic reader, so that the screen of the electronic reader is always in a bright screen state, and electric energy is consumed.
Disclosure of Invention
The present invention is directed to a power consumption control system and method based on big data, so as to solve the problems mentioned in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a big data-based power consumption control system comprises a user reading database, a trigger detection module, a reading mode acquisition module, a manual mode analysis and judgment module and an automatic mode analysis and judgment module, wherein the user reading database is used for storing historical reading keywords of a user, the trigger detection module is used for detecting whether an electronic reader enters an electronic book page or not, when the electronic book page is detected to enter, the reading mode acquisition module is used for acquiring the current reading mode of the electronic reader, the reading mode comprises automatic page turning and manual page turning, when the current reading mode is manual page turning, the manual mode analysis and judgment module is used for analyzing and judging the current reading page to screen the electronic reader, when the current reading mode is automatic page turning, the automatic mode analysis and judgment module is used for acquiring the page turning state of the electronic reader, and judging whether the electronic reader needs to be turned off.
Furthermore, the manual mode analysis module comprises a retention time analysis module, a text number acquisition and comparison module, a first analysis module and a second analysis module, wherein the retention time analysis module is used for acquiring the retention time of the electronic reader on the current reading page when manual page turning is performed, when the retention time is greater than or equal to a retention time threshold value, the text number acquisition and comparison module is used for acquiring the text number of the interface to be analyzed, comparing the text number with a text number threshold value, when the text number is less than or equal to the text number threshold value, the first analysis module is enabled to work, and when the text number is greater than the text number threshold value, the second analysis module is enabled to work; the first analysis module comprises a non-character image recognition module, a brightness adjustment module and a brightness change detection module, wherein the non-character image recognition module is used for recognizing whether a non-character image exists on an interface to be analyzed, when the non-character image exists, the brightness adjustment module is used for adjusting the display brightness of the electronic reader, the brightness change detection module is used for detecting whether the display brightness of the electronic reader is adjusted by the outside in a preset first time period after the display brightness is adjusted, and if the display brightness of the electronic reader exists, the electronic reader is kept to be a bright screen; the second analysis module includes keyword splitting module, vocabulary reference statistics module and vocabulary reference comparison module, keyword splitting module is used for splitting the characters on the interface to be analyzed into a plurality of keywords to be assessed, the number of the keywords to be assessed in the interface to be analyzed is set to be m0, the number mq of the keywords to be assessed in the user reading database is counted by the vocabulary reference statistics module, and the vocabulary reference p is mq/m0 according to the number, the vocabulary reference comparison module compares the vocabulary reference with the vocabulary reference threshold, and the electronic reader is switched on the screen when the vocabulary reference is greater than or equal to the vocabulary reference threshold.
Further, the automatic mode analysis module comprises a page turning duration acquisition module, a page turning duration adjustment module, an external pressure detection module, a third analysis module and a fourth analysis module, wherein the page turning duration acquisition module acquires a current automatic page turning interval duration t of the electronic reader when the page turning mode is automatic page turning, and marks the reading page corresponding to the current time as a first return page, the page turning duration adjustment module is used for adjusting the automatic page turning interval duration of the electronic reader from t to at, wherein a is a decimal number between 0 and 1, the external pressure detection module is used for detecting whether the electronic reader receives external pressure within a preset time period after the automatic page turning interval duration is adjusted, if the external pressure is received, the third analysis module returns the first return page from the current reading page, and adjusts the automatic page turning interval duration of the electronic reader from at to t, and when the external pressure is not received, enabling a fourth analysis module to work, wherein the fourth analysis module comprises an automatic page turning control module and a first preferred return page selection module, the automatic page turning control module is used for closing automatic page turning of the electronic reader when the external pressure is not received, the first preferred return page selection module is used for collecting a reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where a page number in the middle between the second return page and the first return page as a first preferred return page, and returning the first preferred return page from the current reading page to a screen after the first preferred return page is returned.
Further, the fourth analysis module further includes a wake-up trigger module, a first page turning control module and a second page turning control module, where the wake-up trigger module is configured to, when detecting that the electronic reading screen is woken up, acquire a page turning direction of the electronic reading screen, when detecting that the page turning direction is turned over before the first preferred return page, cause the first page turning control module to jump to the second preferred return page, and when detecting that the page turning direction is turned over after the first preferred return page, cause the second page turning control module to jump to the third preferred return page, where the second preferred return page is a page where a page number between the second return page and the first preferred return page is located, and the third preferred return page is a page where a page number between the first preferred return page and the first return page is located.
A power utilization control method based on big data comprises the following steps:
acquiring a user identifier of a current login of an electronic reader, and acquiring a user reading database according to the user identifier, wherein the user reading database is used for storing historical reading keywords of a user;
when detecting that the electronic reader enters the page of the electronic reader, acquiring a current reading mode of the electronic reader, wherein the reading mode comprises automatic page turning and manual page turning,
if the current reading mode is manual page turning, the retention time of the current reading page is obtained, if the retention time is larger than or equal to the retention time threshold, the current reading page is collected as an interface to be analyzed, and the interface to be analyzed is analyzed to judge whether the electronic reader needs to be turned on;
if the current reading mode is automatic page turning, the duration of the automatic page turning is obtained, and if the duration is larger than or equal to the duration threshold, the page turning state of the electronic reader is adjusted to judge whether the electronic reader needs to be turned off.
Further, the adjusting the page turning state of the electronic reader and then determining whether to turn off the electronic reader comprises:
acquiring the current automatic page turning interval duration t of the electronic reader, marking the reading page corresponding to the current time as a first return page, and adjusting the automatic page turning interval duration of the electronic reader from t to a x t, wherein a is a decimal between 0 and 1;
in a preset time period after the automatic page turning interval duration is adjusted, if the electronic reader is detected to receive external pressure, returning to a first return page from the current reading page, and adjusting the automatic page turning interval duration of the electronic reader from a x t to t;
otherwise, closing the automatic page turning of the electronic reader, collecting the reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where the page number in the middle between the second return page and the first return page is located as a first preferred return page, and returning to the screen after the first preferred return page from the current reading page.
Further, the analyzing the interface to be analyzed to determine whether to turn off the screen of the electronic reader includes:
acquiring the number of characters of an interface to be analyzed, identifying whether a non-character image exists on the interface to be analyzed if the number of characters is less than or equal to a character number threshold value, adjusting the display brightness of an electronic reader if the non-character image exists, and keeping the electronic reader as a bright screen if the display brightness of the electronic reader is detected to be adjusted by the outside within a preset first time period after the display brightness is adjusted;
otherwise, turning off the screen of the electronic reader;
if the number of the characters is larger than the threshold value of the number of the characters, dividing the characters of the interface to be analyzed into a plurality of keywords to be evaluated, setting the number of the keywords to be evaluated in the interface to be analyzed as m0,
counting the number mq of the keywords to be distinguished belonging to the keywords in the user reading database, wherein the reference amount p of the vocabulary is mq/m0,
and if the vocabulary reference quantity is larger than or equal to the vocabulary reference threshold value, turning off the screen of the electronic reader.
Further, the returning to the screen after the first preferred return page from the current reading page further comprises:
when the electronic reading screen is detected to be woken up, the page turning direction of the electronic reading screen is acquired,
jumping to the second preferred return page if the detected page-turning direction is forward to the first preferred return page, jumping to the third preferred return page if the detected page-turning direction is backward to the first preferred return page,
the second preferred return page is a reading page with a page number which is the middle between the second preferred return page and the first preferred return page, and the third preferred return page is a reading page with a page number which is the middle between the first preferred return page and the first preferred return page.
Further, the adjusting the display brightness of the electronic reader comprises the following steps:
and acquiring the area S0 of the bright color area in the non-character image and the area Sz of the whole non-character image, if the area ratio reference S0/Sz is more than or equal to the area ratio threshold value, increasing the display brightness of the electronic reader, and otherwise, decreasing the display brightness of the electronic reader.
Compared with the prior art, the invention has the following beneficial effects: the invention is used for controlling the power consumption state of the screen of the electronic reader, and the invention respectively carries out different analysis and detection on the electronic reader under the manual page turning mode and the automatic page turning mode to judge whether the electronic reader needs to be turned on the screen or not, judges whether the electronic reader needs to be turned on the screen or not through the number of characters and the display brightness during the manual page turning, and judges whether the electronic reader needs to be turned on the screen or not through adjusting the page turning interval duration during the automatic page turning.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of a big data based power utilization control system according to 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.
Referring to fig. 1, the present invention provides a technical solution: a big data-based power consumption control system comprises a user reading database, a trigger detection module, a reading mode acquisition module, a manual mode analysis and judgment module and an automatic mode analysis and judgment module, wherein the user reading database is used for storing historical reading keywords of a user, the trigger detection module is used for detecting whether an electronic reader enters an electronic book page or not, when the electronic book page is detected to enter, the reading mode acquisition module is used for acquiring the current reading mode of the electronic reader, the reading mode comprises automatic page turning and manual page turning, when the current reading mode is manual page turning, the manual mode analysis and judgment module is used for analyzing and judging the current reading page to screen the electronic reader, when the current reading mode is automatic page turning, the automatic mode analysis and judgment module is used for acquiring the page turning state of the electronic reader, and judging whether the electronic reader needs to be turned off.
The manual mode analysis module comprises a stay time analysis module, a character number acquisition and comparison module, a first analysis module and a second analysis module, wherein the stay time analysis module is used for acquiring the stay time of the electronic reader on the current reading page when manual page turning is performed, when the stay time is more than or equal to a stay time threshold value, the character number acquisition and comparison module is used for acquiring the character number of an interface to be analyzed, the character number is compared with a character number threshold value, when the character number is less than or equal to the character number threshold value, the first analysis module is enabled to work, and when the character number is more than the character number threshold value, the second analysis module is enabled to work; the first analysis module comprises a non-character image recognition module, a brightness adjustment module and a brightness change detection module, wherein the non-character image recognition module is used for recognizing whether a non-character image exists on an interface to be analyzed, when the non-character image exists, the brightness adjustment module is used for adjusting the display brightness of the electronic reader, the brightness change detection module is used for detecting whether the display brightness of the electronic reader is adjusted by the outside in a preset first time period after the display brightness is adjusted, and if the display brightness of the electronic reader exists, the electronic reader is kept to be a bright screen; the second analysis module includes keyword splitting module, vocabulary reference statistics module and vocabulary reference comparison module, keyword splitting module is used for splitting the characters on the interface to be analyzed into a plurality of keywords to be assessed, the number of the keywords to be assessed in the interface to be analyzed is set to be m0, the number mq of the keywords to be assessed in the user reading database is counted by the vocabulary reference statistics module, and the vocabulary reference p is mq/m0 according to the number, the vocabulary reference comparison module compares the vocabulary reference with the vocabulary reference threshold, and the electronic reader is switched on the screen when the vocabulary reference is greater than or equal to the vocabulary reference threshold.
The automatic mode analysis module comprises a page turning duration acquisition module, a page turning duration adjustment module, an external pressure detection module, a third analysis module and a fourth analysis module, wherein the page turning duration acquisition module acquires the current automatic page turning interval duration t of the electronic reader when the page turning mode is automatic page turning and marks the reading page corresponding to the current time as a first return page, the page turning duration adjustment module is used for adjusting the automatic page turning interval duration of the electronic reader from t to a t, wherein a is a decimal number between 0 and 1, the external pressure detection module is used for detecting whether the electronic reader receives external pressure within a preset time period after the automatic page turning interval duration is adjusted, if the external pressure is received, the third analysis module returns the first return page from the current reading page and adjusts the automatic page turning interval duration of the electronic reader from a t to t, and when the external pressure is not received, enabling a fourth analysis module to work, wherein the fourth analysis module comprises an automatic page turning control module and a first preferred return page selection module, the automatic page turning control module is used for closing automatic page turning of the electronic reader when the external pressure is not received, the first preferred return page selection module is used for collecting a reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where a page number in the middle between the second return page and the first return page as a first preferred return page, and returning the first preferred return page from the current reading page to a screen after the first preferred return page is returned.
The fourth analysis module further comprises a wake-up trigger module, a first page turning control module and a second page turning control module, wherein the wake-up trigger module is used for acquiring a page turning direction of the electronic reading screen when the wake-up electronic reading screen is detected to be woken up, the first page turning control module is enabled to jump to a second preferred return page when the page turning direction is detected to be turned over before the first preferred return page, and the second page turning control module is enabled to jump to a third preferred return page when the page turning direction is detected to be turned over after the first preferred return page, wherein the second preferred return page is a page where a page number between the second return page and the first preferred return page is located, and the third preferred return page is a page where a page number between the first preferred return page and the first return page is located.
A power utilization control method based on big data comprises the following steps:
acquiring a user identifier of a current login of an electronic reader, and acquiring a user reading database according to the user identifier, wherein the user reading database is used for storing historical reading keywords of a user; the historical reading keywords are keywords in an electronic book which is historically read by a user;
when the electronic reader is detected to enter the page of the electronic reader, acquiring a current reading mode of the electronic reader, wherein the reading mode comprises automatic page turning and manual page turning;
if the current reading mode is manual page turning, the retention time of the current reading page is obtained, if the retention time is larger than or equal to the retention time threshold, the current reading page is collected as an interface to be analyzed, and the interface to be analyzed is analyzed to judge whether the electronic reader needs to be turned on;
the analyzing the interface to be analyzed to judge whether to turn off the screen of the electronic reader comprises the following steps:
acquiring the number of characters of an interface to be analyzed, identifying whether a non-character image exists on the interface to be analyzed if the number of characters is less than or equal to a character number threshold value, adjusting the display brightness of an electronic reader if the non-character image exists, and keeping the electronic reader as a bright screen if the display brightness of the electronic reader is detected to be adjusted by the outside within a preset first time period after the display brightness is adjusted; non-textual images refer to pictures;
otherwise, turning off the screen of the electronic reader; when the fact that the non-character image does not exist in the interface to be analyzed and the fact that the display brightness of the electronic reader is adjusted by the outside is not detected, the electronic reader is turned on;
if the number of the characters is larger than the threshold value of the number of the characters, dividing the characters of the interface to be analyzed into a plurality of keywords to be evaluated, setting the number of the keywords to be evaluated in the interface to be analyzed as m0,
counting the number mq of the keywords to be distinguished belonging to the keywords in the user reading database, wherein the reference amount p of the vocabulary is mq/m0,
if the vocabulary reference quantity is larger than or equal to the vocabulary reference threshold value, turning off the screen of the electronic reader; if the vocabulary reference quantity is smaller than the vocabulary reference threshold value, the fact that the keywords which are not seen by the user on the interface to be analyzed are more indicates that the current state of the electronic reader is kept unchanged;
if the current reading mode is automatic page turning, the duration of the automatic page turning is obtained, and if the duration is larger than or equal to the duration threshold, the page turning state of the electronic reader is adjusted to judge whether the electronic reader needs to be turned off.
The adjusting the page turning state of the electronic reader and then judging whether to turn off the electronic reader comprises the following steps:
acquiring the current automatic page turning interval duration t of the electronic reader, marking the reading page corresponding to the current time as a first return page, and adjusting the automatic page turning interval duration of the electronic reader from t to a x t, wherein a is a decimal between 0 and 1; in this embodiment, a is 0.2, that is, if the automatic page turning interval time t of the original electronic reader is 5 seconds, the automatic interval time is adjusted to 1 s;
in a preset time period after the automatic page turning interval duration is adjusted, if the electronic reader is detected to receive external pressure, returning to a first return page from the current reading page, and adjusting the automatic page turning interval duration of the electronic reader from a x t to t;
otherwise, closing the automatic page turning of the electronic reader, collecting the reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where the page number in the middle between the second return page and the first return page is located as a first preferred return page, and returning to the screen after the first preferred return page from the current reading page.
The returning to the background screen of the first preferred return page from the current reading page further comprises:
when the electronic reading screen is detected to be woken up, the page turning direction of the electronic reading screen is acquired,
jumping to the second preferred return page if the detected page-turning direction is forward to the first preferred return page, jumping to the third preferred return page if the detected page-turning direction is backward to the first preferred return page,
the second preferred return page is a reading page with a page number in the middle between the second return page and the first preferred return page, and the third preferred return page is a reading page with a page number in the middle between the first preferred return page and the first return page, so that a user can quickly return to a previous reading page;
the adjusting the display brightness of the electronic reader comprises the following steps:
and acquiring the area S0 of the bright color area in the non-character image and the area Sz of the whole non-character image, if the area ratio reference S0/Sz is more than or equal to the area ratio threshold value, increasing the display brightness of the electronic reader, and otherwise, decreasing the display brightness of the electronic reader. The electronic reader in the application is a black-and-white electronic book reader, a bright color area is a white area in a non-text image, a non-bright color area is a black area, the color is very important to the picture, when the brightness of the picture is too high, the detail points of the white area part on the image become blurred and unclear, when the brightness of the picture is too low, the detail points of the black area part on the image become blurred and unclear, if the stay time of the current reading page is prolonged due to the fact that a user watches the picture through appreciation, the brightness of the reader can be adjusted to enable the user to see the picture clearly, and therefore when the brightness is adjusted from the outside, the user is indicated to be using the electronic reader.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A big data-based power consumption control system is characterized by comprising a user reading database, a trigger detection module, a reading mode acquisition module, a manual mode analysis and judgment module and an automatic mode analysis and judgment module, wherein the user reading database is used for storing historical reading keywords of a user, the trigger detection module is used for detecting whether an electronic reader enters an electronic book page or not, when the electronic book page is detected to enter, the reading mode acquisition module is used for acquiring the current reading mode of the electronic reader, the reading mode comprises automatic page turning and manual page turning, when the current reading mode is manual page turning, the manual mode analysis and judgment module is used for analyzing and judging the current reading page to display the electronic reader or not, and when the current reading mode is automatic page turning, the automatic mode analysis and judgment module is used for acquiring the page turning state of the electronic reader, and judging whether the electronic reader needs to be turned off.
2. The big data based power consumption control system according to claim 1, wherein: the manual mode analysis module comprises a stay time analysis module, a character number acquisition and comparison module, a first analysis module and a second analysis module, wherein the stay time analysis module is used for acquiring the stay time of the electronic reader on the current reading page when manual page turning is performed, when the stay time is more than or equal to a stay time threshold value, the character number acquisition and comparison module is used for acquiring the character number of an interface to be analyzed, the character number is compared with a character number threshold value, when the character number is less than or equal to the character number threshold value, the first analysis module is enabled to work, and when the character number is more than the character number threshold value, the second analysis module is enabled to work.
3. The big data based power consumption control system according to claim 2, wherein: the first analysis module comprises a non-character image recognition module, a brightness adjustment module and a brightness change detection module, wherein the non-character image recognition module is used for recognizing whether a non-character image exists on an interface to be analyzed, when the non-character image exists, the brightness adjustment module is used for adjusting the display brightness of the electronic reader, the brightness change detection module is used for detecting whether the display brightness of the electronic reader is adjusted by the outside in a preset first time period after the display brightness is adjusted, and if the display brightness of the electronic reader exists, the electronic reader is kept to be a bright screen; the second analysis module includes keyword splitting module, vocabulary reference statistics module and vocabulary reference comparison module, keyword splitting module is used for splitting the characters on the interface to be analyzed into a plurality of keywords to be assessed, the number of the keywords to be assessed in the interface to be analyzed is set to be m0, the number mq of the keywords to be assessed in the user reading database is counted by the vocabulary reference statistics module, and the vocabulary reference p is mq/m0 according to the number, the vocabulary reference comparison module compares the vocabulary reference with the vocabulary reference threshold, and the electronic reader is switched on the screen when the vocabulary reference is greater than or equal to the vocabulary reference threshold.
4. The big data based power consumption control system according to claim 1, wherein: the automatic mode analysis module comprises a page turning duration acquisition module, a page turning duration adjustment module, an external pressure detection module, a third analysis module and a fourth analysis module, wherein the page turning duration acquisition module acquires the current automatic page turning interval duration t of the electronic reader when the page turning mode is automatic page turning and marks the reading page corresponding to the current time as a first return page, the page turning duration adjustment module is used for adjusting the automatic page turning interval duration of the electronic reader from t to a t, wherein a is a decimal number between 0 and 1, the external pressure detection module is used for detecting whether the electronic reader receives external pressure within a preset time period after the automatic page turning interval duration is adjusted, if the external pressure is received, the third analysis module returns the first return page from the current reading page and adjusts the automatic page turning interval duration of the electronic reader from a t to t, and when the external pressure is not received, enabling a fourth analysis module to work, wherein the fourth analysis module comprises an automatic page turning control module and a first preferred return page selection module, the automatic page turning control module is used for closing automatic page turning of the electronic reader when the external pressure is not received, the first preferred return page selection module is used for collecting a reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where a page number in the middle between the second return page and the first return page as a first preferred return page, and returning the first preferred return page from the current reading page to a screen after the first preferred return page is returned.
5. The big data based power consumption control system according to claim 4, wherein: the fourth analysis module further comprises a wake-up trigger module, a first page turning control module and a second page turning control module, wherein the wake-up trigger module is used for acquiring a page turning direction of the electronic reading screen when the wake-up electronic reading screen is detected to be woken up, the first page turning control module is enabled to jump to a second preferred return page when the page turning direction is detected to be turned over before the first preferred return page, and the second page turning control module is enabled to jump to a third preferred return page when the page turning direction is detected to be turned over after the first preferred return page, wherein the second preferred return page is a page where a page number between the second return page and the first preferred return page is located, and the third preferred return page is a page where a page number between the first preferred return page and the first return page is located.
6. A power utilization control method based on big data is characterized in that: the control method comprises the following steps:
acquiring a user identifier of a current login of an electronic reader, and acquiring a user reading database according to the user identifier, wherein the user reading database is used for storing historical reading keywords of a user;
when detecting that the electronic reader enters the page of the electronic reader, acquiring a current reading mode of the electronic reader, wherein the reading mode comprises automatic page turning and manual page turning,
if the current reading mode is manual page turning, the retention time of the current reading page is obtained, if the retention time is larger than or equal to the retention time threshold, the current reading page is collected as an interface to be analyzed, and the interface to be analyzed is analyzed to judge whether the electronic reader needs to be turned on;
if the current reading mode is automatic page turning, the duration of the automatic page turning is obtained, and if the duration is larger than or equal to the duration threshold, the page turning state of the electronic reader is adjusted to judge whether the electronic reader needs to be turned off.
7. The big data-based power utilization control method according to claim 6, wherein: the adjusting the page turning state of the electronic reader and then judging whether to turn off the electronic reader comprises the following steps:
acquiring the current automatic page turning interval duration t of the electronic reader, marking the reading page corresponding to the current time as a first return page, and adjusting the automatic page turning interval duration of the electronic reader from t to a x t, wherein a is a decimal between 0 and 1;
in a preset time period after the automatic page turning interval duration is adjusted, if the electronic reader is detected to receive external pressure, returning to a first return page from the current reading page, and adjusting the automatic page turning interval duration of the electronic reader from a x t to t;
otherwise, closing the automatic page turning of the electronic reader, collecting the reading page where the electronic reader detects the pressure last time as a second return page, selecting the reading page where the page number in the middle between the second return page and the first return page is located as a first preferred return page, and returning to the screen after the first preferred return page from the current reading page.
8. The big data-based power utilization control method according to claim 6, wherein: the analyzing the interface to be analyzed to judge whether to turn off the screen of the electronic reader comprises the following steps:
acquiring the number of characters of an interface to be analyzed, identifying whether a non-character image exists on the interface to be analyzed if the number of characters is less than or equal to a character number threshold value, adjusting the display brightness of an electronic reader if the non-character image exists, and keeping the electronic reader as a bright screen if the display brightness of the electronic reader is detected to be adjusted by the outside within a preset first time period after the display brightness is adjusted;
otherwise, turning off the screen of the electronic reader;
if the number of the characters is larger than the threshold value of the number of the characters, dividing the characters of the interface to be analyzed into a plurality of keywords to be evaluated, setting the number of the keywords to be evaluated in the interface to be analyzed as m0,
counting the number mq of the keywords to be distinguished belonging to the keywords in the user reading database, wherein the reference amount p of the vocabulary is mq/m0,
and if the vocabulary reference quantity is larger than or equal to the vocabulary reference threshold value, turning off the screen of the electronic reader.
9. The big data-based power consumption control method according to claim 7, wherein: the returning to the background screen of the first preferred return page from the current reading page further comprises:
when the electronic reading screen is detected to be woken up, the page turning direction of the electronic reading screen is acquired,
jumping to the second preferred return page if the detected page-turning direction is forward to the first preferred return page, jumping to the third preferred return page if the detected page-turning direction is backward to the first preferred return page,
the second preferred return page is a reading page with a page number which is the middle between the second preferred return page and the first preferred return page, and the third preferred return page is a reading page with a page number which is the middle between the first preferred return page and the first preferred return page.
10. The big data-based power consumption control method according to claim 8, wherein: the adjusting the display brightness of the electronic reader comprises the following steps:
and acquiring the area S0 of the bright color area in the non-character image and the area Sz of the whole non-character image, if the area ratio reference S0/Sz is more than or equal to the area ratio threshold value, increasing the display brightness of the electronic reader, and otherwise, decreasing the display brightness of the electronic reader.
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