CN109472339B - Electronic tag control method, electronic tag and readable storage medium - Google Patents
Electronic tag control method, electronic tag and readable storage medium Download PDFInfo
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- CN109472339B CN109472339B CN201811407246.5A CN201811407246A CN109472339B CN 109472339 B CN109472339 B CN 109472339B CN 201811407246 A CN201811407246 A CN 201811407246A CN 109472339 B CN109472339 B CN 109472339B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0722—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips comprising an arrangement for testing the record carrier
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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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention provides an electronic tag control method, an electronic tag and a readable storage medium, which can prolong the service life of the electronic tag. The electronic tag control method comprises the following steps: judging whether a refreshing stage is entered; in response to entering a refresh stage, detecting a signal of a server by adopting a first detection interval; in response to not entering the refresh phase, a signal of the server is sensed with a second sensing interval that is greater than the first sensing interval. The embodiment of the invention can ensure reliable communication between the electronic tag and the server, effectively reduce the energy consumption of the electronic tag and prolong the service life of the electronic tag, thereby reducing the cost of the electronic tag and widening the use scene of the electronic tag.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an electronic tag control method, an electronic tag and a readable storage medium.
Background
With the continuous development and maturity of intelligent information technology, the intelligence of commodity information becomes an inevitable product of the times. In public places such as superstores, supermarkets and the like, the electronic tags not only can provide more comprehensive and accurate commodity information for consumers, but also greatly reduce the manpower of the superstores and supermarkets, change the information more timely and rapidly, and change operation is more convenient and concise, so that the electronic tags are favored by the markets, the supermarkets and the consumers once coming out, and the electronic tags gradually replace traditional paper tags. The electronic label system architecture is shown in fig. 1.
Since the electronic tag is generally powered by the button battery, and the energy of the button battery is limited, the service life of the electronic tag becomes a limitation to its popularization. According to daily energy loss analysis of the existing electronic tag, the existing electronic tag generally uses 2 button batteries, and the electric quantity of the button batteries is basically exhausted when the electronic tag is used for about 5 years.
Disclosure of Invention
The embodiment of the invention provides an electronic tag control method, an electronic tag and a readable storage medium, which can reduce the energy consumption of the electronic tag and prolong the service life of the electronic tag.
In one aspect, an embodiment of the present invention provides an electronic tag control method, including:
judging whether a refreshing stage is entered;
in response to entering a refresh phase, detecting a signal of the server with a first detection interval;
in response to not entering the refresh phase, a signal of the server is sensed with a second sensing interval that is greater than the first sensing interval.
Optionally, the second detection interval comprises one or more detection intervals.
Optionally, the determining whether to enter a refresh phase includes: when the first timer reaches the first set time, the first timer is judged to be in a refreshing stage, the second timer is triggered to start timing, the first timer is initialized, when the second timer reaches the second set time, the second timer is judged to be in a non-refreshing stage, the first timer is triggered to start timing, and the second timer is initialized;
the first set time is the duration of a non-refreshing stage, and the second set time is the duration of a refreshing stage.
Optionally, the value range of the first detection interval is [3,15 ] s, and the value range of the second detection interval is [30,60] s.
On the other hand, an embodiment of the present invention further provides an electronic tag, including: battery, screen and treater, the treater includes timer module, control module and communication module, wherein:
the timer module is used for judging whether to enter a refreshing stage;
the control module is used for controlling the communication module to adopt a signal of a first detection interval detection server when the timer module judges that the refreshing stage is entered, and is used for controlling the communication module to adopt a signal of a second detection interval detection server which is larger than the first detection interval when the timer module judges that the refreshing stage is not entered;
and the communication module is used for controlling the signal of the detection server based on the control module.
Optionally, the timer module includes at least two timers, a first set time of the first timer is a non-refresh period duration, and a second set time of the second timer is a refresh period duration.
In yet another aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which computer instructions are stored, and the instructions, when executed by a processor, implement the steps of the above method.
In another aspect, an embodiment of the present invention further provides an electronic tag, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the foregoing method when executing the program.
The scheme provides an electronic tag with ultra-low power consumption and a control method of the electronic tag, and the detection time interval is shortened in the time period when the related information in the electronic tag needs to be refreshed, so that the electronic tag can carry out high-frequency detection. And in other time periods, the detection time interval is increased, so that the electronic tag carries out low-frequency detection. Therefore, reliable communication between the electronic tag and the server can be guaranteed, energy consumption of the electronic tag can be effectively reduced, the service life of the electronic tag is prolonged, the cost of the electronic tag is reduced, and the use scene of the electronic tag is wider.
Of course, it is not necessary for any product or method to achieve all of the above-described advantages at the same time for practicing the invention. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings 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 example serve to explain the principles of the invention and not to limit the invention. The shapes and sizes of the various elements in the drawings are not to scale and are merely illustrative of the principles of the invention.
FIG. 1 is a prior art electronic tag system architecture;
FIG. 2 is a flowchart of an electronic tag control method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an electronic tag according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating an exemplary smart detection of an electronic tag according to the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The applicant analyzes and discovers energy consumption of each part of the existing electronic tags for low-power communication such as Wi-Fi (wireless network)/BLE (bluetooth low energy) 5.0, and energy consumption (or called power consumption) of the electronic tags is mainly related to dormant current (or called standby current or quiescent current), detection current and refresh current and corresponding time of the dormant current and the quiescent current. Therefore, the daily energy consumption of the electronic tag can be reduced as much as possible from the three parts of current and the corresponding time, and the service life of the electronic tag is prolonged. The applicant analyzes and finds that the sleep current of the electronic tag is generally 2-3 uA, the current is very small, and the standby time per day is basically unchanged, so that the energy consumption cannot be changed. The electronic tag needs to be refreshed 2-4 times a day, the refreshing current is 5-30 mA unequal pulse current, the refreshing time is 20-40 s, the refreshing time per day is fixed, and the reduction of the refreshing time is not a fundamental measure for reducing the energy consumption, so the part of the energy consumption can not be changed basically. In order to ensure refresh communication of the electronic tag, in the prior art, the electronic tag is mostly detected every 15s, the detection time is 6-100 ms, and thus 5760 times of detection are required every day, so most of the energy consumption of the electronic tag is consumed by detection.
The applicant discovers through analysis of a process of refreshing an electronic tag by a server, and the process of refreshing the electronic tag by the server generally comprises the following steps: when the server needs to refresh the electronic tag, firstly, the server broadcasts and sends a wake-up signal, the electronic tag returns state information to the server after receiving the wake-up signal belonging to the electronic tag, and the server starts a refresh process after receiving the state information of the electronic tag. Therefore, the electronic tag needs to detect the signal of the server all the time to ensure that the refreshing is not missed.
Based on the above analysis and research in the practical application process, the applicant finds that the time period for refreshing the electronic tag by the server is regular and is not refreshed at any time, so that the applicant designs a method for intelligently controlling the energy consumption of the electronic tag, namely an intelligent detection mechanism, and the implementation method is shown in fig. 2 and comprises steps 21 to 23. The method can be applied to the electronic tags used for displaying the price information and the electronic tags needing to refresh other information, so that the energy consumption is reduced, and the service life is prolonged.
Step 21, judging whether a refreshing stage is entered, executing step 22 in response to entering the refreshing stage, and executing step 23 in response to not entering the refreshing stage;
step 22, detecting a signal of the server by using a first detection interval;
step 23, detecting the signal of the server by using a detection interval larger than the first detection interval.
The method shortens the detection time interval in the time period of needing to refresh the information in the electronic tag, so that the electronic tag carries out high-frequency detection. And in other time periods, the detection time interval is increased, so that the electronic tag carries out low-frequency detection. Therefore, reliable communication between the electronic tag and the server can be guaranteed, energy consumption of the electronic tag can be effectively reduced, and the service life of the electronic tag is prolonged.
In an alternative embodiment, in step 21, a timer device such as a counter or a timer may be used to determine whether to enter the refresh phase, for example, two timers may be set: when the first timer reaches the first set time, the first timer is judged to be in a refreshing stage, the second timer is triggered to start timing, the first timer is initialized, when the second timer reaches the second set time, the second timer is judged to be in a non-refreshing stage, the first timer is triggered to start timing, and the second timer is initialized; the first set time is the duration of a non-refreshing stage, and the second set time is the duration of a refreshing stage. The refresh phase may be determined based on historical refresh times, e.g., which time periods the server will typically be refreshing in, which are considered refresh phases. Or, the refreshing stage may be determined according to the passenger flow volume, for example, a time period in which the passenger flow volume exceeds a preset threshold is considered as the refreshing stage, so as to avoid bad experience brought to the customer due to untimely price refreshing. The refresh phase may also be determined in conjunction with historical refresh times and passenger traffic, for example, taking as the refresh phase the union of time periods determined separately by two factors. The refresh phase in this embodiment refers to a time period in which information in the electronic tag needs to be refreshed, where the information includes any information that needs to be updated. For example, the information may be image information, and in the non-refresh phase, the image of the electronic tag is in a static state.
In an optional embodiment, in step 22, a signal of the server is detected by using a first detection interval, where a value of the first detection interval is [3,15 ] s, for example, the first detection interval is 3s, or 4s, or 5s.
In an optional embodiment, in step 23, a signal of the server is detected by using a second detection interval greater than the first detection interval, wherein one or more detection intervals greater than the first detection interval may be used, and the value of the second detection interval is in a range of [30,60] sec.
In alternative embodiments, the second detection interval larger than the first detection interval may include only one detection interval, or may include a plurality of detection intervals. For example, the non-refresh phase may be divided into a plurality of time periods according to needs, and different time periods are set to adopt different detection intervals, so as to detect the signal of the server in different time periods with different detection intervals. The division basis may refer to a division rule of the refresh phase and the non-refresh phase.
The electronic tag for implementing the method is shown in fig. 3, and includes: a battery 31, a screen 32, and a processor 33, wherein the processor 33 includes a timer module 331, a control module 332, and a communication module 333, wherein:
the timer module 331 is configured to determine whether to enter a refresh phase;
the control module 332 is configured to control the communication module 333 to use a signal of a first detection interval detection server when the timer module 331 determines that the refresh stage is entered, and to control the communication module 333 to use a signal of a second detection interval detection server larger than the first detection interval when the timer module 331 determines that the refresh stage is not entered;
the communication module 333 is configured to detect a signal of the server based on the control of the control module 332.
Optionally, the timer module 331 is implemented by a counter or a timer. The timer module may include at least two timers, a first set time of the first timer is a non-refresh period duration, and a second set time of the second timer is a refresh period duration.
Application example
The electronic tag with the long service life is mainly characterized in that the detection frequency of the electronic tag is controlled through a software platform, and the power consumption of the electronic tag is reduced. Because the electronic tag needs to detect the signal sent by the server before refreshing data, the existing electronic tag generally detects the signal once every 15s, and after receiving the signal of the server, the information of the electronic tag is fed back to the server. Theoretically, when the electronic tag refreshes information, data refreshing can be performed after waiting for 15s at most, and the detected energy consumption is the main energy consumption consumed by the electronic tag every day. However, in an actual scene such as a shopping mall or a supermarket, the time for updating information such as image information by the electronic tag is generally fixed, and is generally about 8 am and about 7 pm, so that the present example is to adopt software timer control, in a time period without information refreshing, the detection interval can be set to 30-60 s, and before and after the time period of refreshing information, the detection time interval can be set to 3s or 5s, so that the refresh mode can be entered more quickly, and the refresh waiting time can be saved.
The energy consumption analysis of the electronic tag shows that the energy consumption of the electronic tag is mainly determined by refreshing current and time, detecting current and time, and static current and time, taking button cells CR2450 as an example, the electric quantity of each button cell is 620mAh, and the electric quantities of two button cells in the electronic tag are 1240mAh.
Battery energy consumption = sleep current standby time + refresh current refresh time + refresh times/day + detection current detection times/day.
The dormancy current of the electronic tag is generally 2-3 uA, the dormancy power consumption of the electronic tag is averagely 0.06mAh every 24 hours every day; the average current for refreshing the electronic ink screen (namely the average current value for refreshing the electronic ink screen) of the electronic tag is generally 6-20 mA, the refreshing time is 20-40 s each time, and the refreshing time is 2-4 times each day, so that the refreshing power consumption of the electronic tag is 0.07 mAh-0.8 mAh each day; the detection current of the electronic tag is generally 5-27 mA, the detection time is 6-100 ms every time, the detection is carried out every 15s, the detection is carried out 5760 times every day, and the detection power consumption of the electronic tag is actually measured to be 0.183 mAh-0.26 mAh. Because the refreshing times and power consumption requirements of the electronic tag are unchanged every day, the time for updating the picture every day is basically fixed, and before the picture is updated, the server needs to detect the information returned by the electronic tag end, the detection frequency can be controlled by the software timer to be accelerated in the period of time before and after the picture is refreshed, for example, the detection is performed once in 3s to 5s, so that the time for waiting for refreshing is reduced, and in other periods, the detection frequency is reduced to 60s, the detection power consumption is effectively reduced, and the power consumption utilization rate of the electronic tag is improved.
In this example, the counter is used to implement the change of the detection interval, as shown in fig. 4, which includes the following steps:
step 41, initializing a counter 1 and a counter 2;
step 42, the counter 1 enters a counting mode and starts counting;
step 43, judging whether the count value of the counter 1 is equal to m, if not, executing step 44, and if yes, executing step 45;
the m is a preset total count value of the non-refresh period, and in this example, when the count value of the counter 1 is less than m, the detection time interval is 60s.
Step 44, adding 1 to the value of the counter 1, and returning to step 43 until the value counted by the counter 1 = m;
step 45, setting the detection time interval to be 3s (3 s is taken as an example in the present example, and other values may be set in other examples);
step 46, the counter 2 enters a counting mode and starts to count;
step 47, judging whether the count value of the counter 2 is equal to n, if not, executing step 48, and if so, executing step 49;
n is a preset total count value of the refresh period, and in this example, when the count value of the counter 2 does not reach n, the detection time interval is 3s.
Step 48, adding 1 to the value of the counter 2, and returning to step 47 until the value of the counter 2 is = n;
step 49, setting the detection time interval to 60s (in this example, 60s is taken as an example, and in other examples, other values may be set), returning to step 41, and repeating the above operations.
In this example, the counter is used for implementation, and in other embodiments, other timers such as a timer may also be used for implementation.
If the detection current of the electronic tag is 6mA, the detection time is 20ms each time, the detection time interval is 60s, the image information is refreshed 2 times each day, 20min before refreshing, and the detection time interval is increased to 3s, then the detection power consumption per day is calculated as follows:
the detection time interval is 3s of total detection times: (20 × 60 × 2)/3 =800 times;
the detection time interval is 3s of total detection time: 800X 20X 10 -3 ＝16s；
The detection time interval is 60s of total detection times: [ (24 × 60 × 60) - (20 × 60 × 2) ]/60=1400 times;
the detection time interval is 60s of total detection time: 1400X 20X 10 -3 ＝28s；
Detecting power consumption every day: w = [ (6 × 16) + (6 × 28) ]/3600=0.07333mah.
Therefore, the detection power consumption of the electronic tag in the design is reduced by nearly half, and the energy consumption per day can be saved by more than half, so that the service life of the electronic tag can be prolonged by 1 time theoretically, and the design purpose is achieved.
The embodiment of the invention also provides an electronic tag, which comprises a memory and a processor connected with the memory, wherein: the memory is for storing a computer program executable on the processor; the processor realizes the steps shown in fig. 2 when executing the computer program.
The embodiment of the invention also provides a computer storage medium, wherein the computer storage medium stores a computer program; the computer program can implement the electronic tag control method provided by one or more of the foregoing embodiments after being executed, for example, execute the method shown in fig. 2.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical units; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An electronic tag control method, characterized in that the method comprises:
in the detection process, whether the electronic tag enters a refreshing stage or not is judged;
responding to a refresh stage, the electronic tag adopts a first detection interval to detect a signal of a server, the server broadcasts and sends a wake-up signal to the electronic tag, and the electronic tag returns state information to the server after detecting the wake-up signal of the electronic tag, so that the server starts a refresh process after receiving the state information of the electronic tag; the refreshing stage is determined according to historical refreshing time, or is determined according to passenger flow, or a union of time periods respectively determined by the historical refreshing time and the passenger flow is used as the refreshing stage;
in response to a non-refresh stage, the electronic tag detects a signal of the server by using a second detection interval larger than a first detection interval, where the second detection interval includes one or more detection intervals, and when the non-refresh stage includes a plurality of detection intervals, the non-refresh stage includes a plurality of time periods, different time periods are set to use different detection intervals, so as to detect a signal of the server by using different detection intervals in different time periods, and a value range of the first detection interval is [3,15) seconds, so that the electronic tag enters a refresh mode more quickly, and refresh waiting time is saved, and a value range of the second detection interval is [30,60] seconds.
2. The electronic tag control method according to claim 1, wherein the determining whether to enter a refresh phase comprises:
when the first timer reaches the first set time, the first timer is judged to be in a refreshing stage, the second timer is triggered to start timing, the first timer is initialized, when the second timer reaches the second set time, the second timer is judged to be in a non-refreshing stage, the first timer is triggered to start timing, and the second timer is initialized;
the first set time is the duration of a non-refreshing stage, and the second set time is the duration of a refreshing stage.
3. An electronic tag, comprising: battery, screen and treater, its characterized in that, the treater includes timer module, control module and communication module, wherein:
the timer module is used for judging whether to enter a refreshing stage in a detection process;
the control module is used for controlling the communication module to adopt a signal of a first detection interval detection server when the timer module judges that the electronic tag enters a refresh stage, the signal of the server is a wake-up signal broadcasted by the server to the electronic tag, the electronic tag returns state information to the server after detecting the wake-up signal belonging to the electronic tag, so that the server starts a refresh process after receiving the state information of the electronic tag, the refresh stage is determined according to historical refresh time, or determined according to passenger flow, or a union of time periods respectively determined by the historical refresh time and the passenger flow is used as a refresh stage, and when the timer module judges that the refresh stage does not enter the refresh stage, the control module adopts a signal of a second detection interval detection server which is larger than the first detection interval, the second detection interval comprises one or more detection intervals, when the timer module comprises a plurality of detection intervals, the non-refresh stage comprises a plurality of time periods, different detection intervals are set so that the signals of the different detection intervals are adopted in different time periods, the value range of the first detection interval is 3238 seconds, so that the electronic tag enters a 3262-time-saving mode of waiting for the refresh of the electronic tag, and saving 3262 seconds;
and the communication module is used for controlling the signal of the detection server based on the control module.
4. The electronic tag according to claim 3,
the timer module comprises at least two timers, wherein the first set time of the first timer is the duration of the non-refreshing stage, and the second set time of the second timer is the duration of the refreshing stage.
5. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any one of claims 1-2.
6. An electronic tag comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1-2 are implemented when the processor executes the program.
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| CN108053011A (en) * | 2017-12-18 | 2018-05-18 | 广州科政数码科技有限公司 | The electronic tag display methods and its display device that low-power consumption is shown with screen with partitioned |
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