CN111950307B - Electronic price tag awakening system and method based on electromagnetic signals - Google Patents
Electronic price tag awakening system and method based on electromagnetic signals Download PDFInfo
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- CN111950307B CN111950307B CN202010624759.2A CN202010624759A CN111950307B CN 111950307 B CN111950307 B CN 111950307B CN 202010624759 A CN202010624759 A CN 202010624759A CN 111950307 B CN111950307 B CN 111950307B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002618 waking effect Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
Abstract
The invention relates to the technical field of electronic price tag awakening, in particular to an electronic price tag awakening system and method based on electromagnetic signals, wherein the electronic price tag awakening system comprises an electronic price tag and an AP system for awakening the electronic price tag; the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver and different IDs; the AP system comprises a control chip, wherein the control chip is provided with a signal generator, and the signal generator is provided with an ID identification module; the signal generator sends out electromagnetic signals according to the electronic price tag to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening; the invention adopts an electromagnetic signal remote awakening mode, when an electronic price tag needs to be awakened, the electronic signal matched with the electronic price tag is sent out, and when the electronic price tag does not send out the signal, the electronic price tag is continuously in a dormant state, so that the energy is effectively saved, the cost is effectively saved, the market popularization is facilitated, and the product value is improved.
Description
Technical Field
The invention relates to the technical field of electronic price tag awakening, in particular to an electronic price tag awakening system and method based on electromagnetic signals.
Background
The commodity price label and the commodity price label are the most direct modes for providing commodity information for customers, and the content is complete and mainly comprises bar codes, names, prices, specifications, places of production, grades and other information, wherein the most important information is price information, and other information is usually printed on commodity packages, so that consumers can conveniently and intuitively know commodity prices, and proper commodities are selected. If the commodity is not explicitly priced, the consumer is inconvenienced by selecting the commodity, and some random transaction opportunities may be lost. Therefore, in the place of sales of goods, the price label of goods plays an important role in the sales of goods.
At present, paper price tags are used in places such as supermarkets, fresh shops and the like, on one hand, the paper price tags cannot be reused, so that the use cost is high, and the paper price tags are not friendly to the environment; on the other hand, the price modification is carried out on the supermarket, so that great manpower is required, and the management is disordered; therefore, electronic tags are gradually adopted in places such as partial supermarkets, fresh shops and the like, but the existing electronic tag systems are generally segment code electronic tag systems or dot matrix electronic tag systems, the electronic tag systems are all active RFID communication technologies, and power is supplied by using button batteries.
In the prior art, a low-power-consumption multi-protocol compatible electronic tag system is disclosed, which adopts a mode of timing sleep and awakening to search packet header information of a communication protocol frame to realize awakening. However, by periodically waking up, the electronic price tag consumes a great amount of energy in use, and it cannot be determined that the electronic price tag content is updated every time the electronic price tag is woken up without updating the electronic price tag content. Therefore, there is a need for further improvements in the way electronic tags wake up.
Disclosure of Invention
In order to solve the problems, the invention provides the electronic price tag awakening system and the electronic price tag awakening method based on the electromagnetic signals, which adopt the electromagnetic signal remote awakening mode, can realize awakening by sending the electronic signals matched with a certain electronic price tag when the electronic price tag is awakened, and continuously stay in a dormant state when the electronic price tag is not sent, so that compared with the traditional timed awakening or the electronic price tag sends signals to an AP system, the electronic price tag awakening system and the electronic price tag awakening method based on the electromagnetic signals have the advantages of more energy saving, better control effect, effective cost saving, contribution to market popularization and product value improvement.
The technical scheme adopted by the invention is as follows: an electronic price tag awakening system based on electromagnetic signals comprises an electronic price tag and an AP system for awakening the electronic price tag; the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver for receiving signals of different frequency bands and different IDs; the AP system comprises a control chip capable of sending out electromagnetic signals, wherein the control chip is provided with a signal generator which sends out signals with the same frequency band as the frequency band receiver, and the signal generator is provided with an ID identification module; the signal generator sends out electromagnetic signals according to the electronic price sign to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening.
The electronic price tag comprises a shell, and a control electric plate, a power supply and a display screen which are arranged in the shell, wherein the power supply is connected with the control electric plate and the display screen, and the control electric plate is provided with a frequency band receiver.
The frequency band receiver is further improved to be provided with a first power collecting unit, a second power collecting unit, a signal resetting unit and a switch control unit, wherein the switch control unit is electrically connected with the signal resetting unit, the first power collecting unit and the second power collecting unit.
The scheme is further improved in that the first power collecting unit is provided with a first electromagnetic collecting module for receiving electromagnetic signals and a first adjusting module for adjusting the electromagnetic signal collecting frequency range; the second power collection unit is provided with a second electromagnetic collection module for receiving electromagnetic signals and a second adjusting module for adjusting the electromagnetic signal collection frequency range.
The scheme is further improved in that the first electromagnetic collecting module is used for collecting frequency hopping electromagnetic signals, and the second electromagnetic collecting module is used for collecting long-short frequency electromagnetic signals.
In a further development of the above-described embodiment, the signal resetting unit has a storage medium with a resetting program for generating an electromagnetic signal reset, the resetting program being used for the first and second control modules to control the signal reset.
The switch control unit is connected to the control panel, and comprises a first switch control module for connecting and controlling the signal resetting unit, and a second switch control module for selectively controlling the first power collecting unit and the second power collecting unit.
An electronic price tag awakening method comprises the electronic price tag awakening system based on electromagnetic signals;
the wake-up method comprises the following steps:
step 1, an AP system works at ordinary power and frequency; the electronic price tag is in a hardware sleep state and is displayed in a working state;
step 2, the AP system sends out electromagnetic signals and sends out transient signals in three periods at the same time; the electronic price tag receives electromagnetic signals sent by the AP system, the frequency band receiver drives the frequency band identification unit to identify three signal fingerprints, periods and widths, if the three signals are expected, the width information of the three signals is stored, and meanwhile the electromagnetic signals are synchronized;
step 3, the AP system sends out an electromagnetic signal, and the width of the signal in the previous step is multiplied by a constant to obtain the length of the sent signal; the electronic price tag receives the signal again, meanwhile, the fingerprint and the signal width of the measured signal are compared with the characteristics received last time, and if the fingerprint and the signal width are consistent, the electronic price tag is ready to wake up;
step 4, the AP system sends out electromagnetic signals and sends out electronic price tag ID to be awakened
The electronic price tag receives the signal again, simultaneously analyzes the ID value carried in the signal, and if the ID value is consistent with the ID value, the electronic price tag considers that the electronic price tag is awakened, and the electronic price tag system wakes up.
Firstly, an electromagnetic frequency band is sent out by a signal generator in a control chip, and the electronic price tag is matched through a frequency band receiver according to the electromagnetic frequency band sent out by the signal generator, so that the electronic price tag is awakened after the matching is completed.
The scheme is further improved in that an electromagnetic frequency band signal is sent out by the signal generator to be a frequency hopping signal, an electromagnetic signal matched with the frequency hopping signal is arranged in a first electromagnetic collecting module in the first power collecting unit, and the electronic price tag is controlled to be started by the first electromagnetic collecting module and the switch control unit to wake up.
The scheme is further improved in that an electromagnetic frequency band signal sent by the signal generator is a long-short frequency signal, an electromagnetic signal matched with the long-short frequency signal is arranged in a second electromagnetic collecting module in the second power collecting unit, and the second electromagnetic collecting module controls the electronic price tag to be started with the switch control unit to wake up.
The beneficial effects of the invention are as follows:
compared with the traditional electronic price tag awakening, the electronic price tag awakening system adopts an electromagnetic signal remote awakening mode, when certain electronic price tag is required to be awakened, the electronic signal matched with the electronic price tag is emitted, and when the electronic price tag is not emitted, the electronic price tag is continuously in a dormant state, so that compared with the traditional timed awakening or the electronic price tag emits signals to an AP system, the electronic price tag awakening system is more energy-saving, better in control effect, and is beneficial to market popularization and product value improvement, and the cost is effectively saved. The method specifically comprises the following steps: the AP system comprises an electronic price tag and an AP system for waking up the electronic price tag; the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver for receiving signals of different frequency bands and different IDs; the AP system comprises a control chip capable of sending out electromagnetic signals, wherein the control chip is provided with a signal generator which sends out signals with the same frequency band as the frequency band receiver, and the signal generator is provided with an ID identification module; the signal generator sends out electromagnetic signals according to the electronic price sign to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening. The identification of the electronic price tag is realized by adopting a frequency hopping mode or a long and short frequency mode, so that point-to-point wake-up control is realized, the control effect is good, and the product cost and the energy consumption are saved.
Drawings
FIG. 1 is a schematic diagram illustrating the operation of the electronic price tag wake-up method of the present invention;
FIG. 2 is a schematic diagram illustrating the operation of the electronic price tag wake-up method of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, an electronic price tag wake-up system based on electromagnetic signals comprises an electronic price tag and an AP system for waking up the electronic price tag; the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver for receiving signals of different frequency bands and different IDs; the AP system comprises a control chip capable of sending out electromagnetic signals, wherein the control chip is provided with a signal generator which sends out signals with the same frequency band as the frequency band receiver, and the signal generator is provided with an ID identification module; the signal generator sends out electromagnetic signals according to the electronic price sign to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening.
The electronic price tag comprises a shell, and a control electric plate, a power supply and a display screen which are arranged in the shell, wherein the power supply is connected with the control electric plate and the display screen, the control electric plate is provided with a frequency band receiver, the electronic price tag adopts the control electric plate to realize control, the electronic price tag is used for displaying commodity information through the display screen, the electronic price tag needs to be displayed for a water-ink screen aiming at displaying energy conservation, the water-ink screen can effectively save energy, save electric energy consumption and prolong the service life.
The frequency band receiver is provided with a first power collecting unit, a second power collecting unit, a signal resetting unit and a switch control unit, wherein the switch control unit is electrically connected with the signal resetting unit, the first power collecting unit and the second power collecting unit, specifically, the first power saving unit and the second power receiving unit are used for receiving electromagnetic signals, the signals can be reset through the signal resetting unit so as to be convenient for operation control, and the switch control unit is used for starting and closing the awakening and control of the electronic price tag after receiving the signals, so that the control effect is good.
The first power collection unit is provided with a first electromagnetic collection module for receiving electromagnetic signals and a first adjusting module for adjusting the electromagnetic signal collection frequency range; the second power collecting unit is provided with a second electromagnetic collecting module for receiving electromagnetic signals and a second adjusting module for adjusting the collecting frequency range of the electromagnetic signals, and the collecting frequency range of each group of electronic price sign can be adjusted and set at different awakening points through the adjusting module, and meanwhile, multiple groups of electronic price sign collecting frequency ranges can be set at uniform awakening points to realize simultaneous awakening or point-to-point awakening.
The first electromagnetic collection module is used for collecting frequency hopping electromagnetic signals, the second electromagnetic collection module is used for collecting long-short frequency electromagnetic signals, frequency hopping or long-short frequency control is adopted to achieve awakening, the awakening effect is good, and remote control and point-to-point awakening can be achieved.
The signal resetting unit is provided with a storage medium, the storage medium is provided with a resetting program for generating electromagnetic signal resetting, the resetting program is used for resetting the adjusting signals of the first adjusting module and the second adjusting module, and particularly, the adjusting module can be controlled or reset or adjust the control through the resetting program according to the control action, and the frequency range of the control signal is adjusted so as to realize point-to-point control on the electronic price tag.
The switch control unit is connected to the control electric plate, and comprises a first switch control module used for connecting and controlling the signal resetting unit and a second switch control module capable of selectively controlling the first power collecting unit and the second power collecting unit, the first switch control module is used for turning on and off the power connection of the control signal resetting unit, and when the second switch control module is used for receiving the wake-up signal received by the power collecting unit, the control electric plate and the power supply are turned on, so that the electronic price tag is waken up.
An electronic price tag awakening method comprises an electronic price tag awakening system based on electromagnetic signals;
the wake-up method comprises the following steps:
step 1, an AP system works at ordinary power and frequency; the electronic price tag is in a hardware sleep state and is displayed in a working state;
step 2, the AP system sends out electromagnetic signals and sends out transient signals in three periods at the same time; the electronic price tag receives electromagnetic signals sent by the AP system, the frequency band receiver drives the frequency band identification unit to identify three signal fingerprints, periods and widths, if the three signals are expected, the width information of the three signals is stored, and meanwhile the electromagnetic signals are synchronized;
step 3, the AP system sends out an electromagnetic signal, and the width of the signal in the previous step is multiplied by a constant to obtain the length of the sent signal; the electronic price tag receives the signal again, meanwhile, the fingerprint and the signal width of the measured signal are compared with the characteristics received last time, and if the fingerprint and the signal width are consistent, the electronic price tag is ready to wake up;
step 4, the AP system sends out electromagnetic signals and sends out electronic price tag ID to be awakened
The electronic price tag receives the signal again, simultaneously analyzes the ID value carried in the signal, and if the ID value is consistent with the ID value, the electronic price tag considers that the electronic price tag is awakened, and the electronic price tag system wakes up.
Firstly, an electromagnetic frequency band is sent out by a signal generator in a control chip, and the electronic price tag is matched through a frequency band receiver according to the electromagnetic frequency band sent out by the signal generator, so that the electronic price tag is awakened after the matching is completed.
Example 1
In this embodiment, an electromagnetic frequency band signal is sent out by the signal generator and is a frequency hopping signal, an electromagnetic signal matched with the frequency hopping signal is set in a first electromagnetic collection module in the first power collection unit, and the first electromagnetic collection module controls the electronic price tag to be started with the switch control unit to wake up.
Example 2
In this embodiment, the difference from embodiment 1 described above is that: the signal generator sends out electromagnetic frequency band signals which are long-short frequency signals, electromagnetic signals matched with the long-short frequency signals are arranged in a second electromagnetic collecting module in the second power collecting unit, and the second electromagnetic collecting module controls the electronic price tag to be started with the switch control unit to wake up.
According to the invention, an electromagnetic signal remote awakening mode is adopted, when an electronic price tag needs to be awakened, an electronic signal matched with the electronic price tag is sent out, so that awakening can be realized, and when the electronic price tag does not send out a signal, the electronic price tag is continuously in a dormant state, so that compared with the traditional timed awakening mode or the electronic price tag sends out a signal to an AP system, the electronic price tag has the advantages of more energy saving, better control effect, effective cost saving, contribution to market popularization and product value improvement. The method specifically comprises the following steps: the AP system comprises an electronic price tag and an AP system for waking up the electronic price tag; the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver for receiving signals of different frequency bands and different IDs; the AP system comprises a control chip capable of sending out electromagnetic signals, wherein the control chip is provided with a signal generator which sends out signals with the same frequency band as the frequency band receiver, and the signal generator is provided with an ID identification module; the signal generator sends out electromagnetic signals according to the electronic price sign to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening. The identification of the electronic price tag is realized by adopting a frequency hopping mode or a long and short frequency mode, so that point-to-point wake-up control is realized, the control effect is good, and the product cost and the energy consumption are saved.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A wake-up method of an electronic price tag wake-up system based on electromagnetic signals comprises an electronic price tag and an AP system for waking up the electronic price tag; the method is characterized in that:
the electronic price tag comprises a plurality of groups, and each group of electronic price tag is provided with a frequency band receiver for receiving signals of different frequency bands and different IDs;
the AP system comprises a control chip capable of sending out electromagnetic signals, wherein the control chip is provided with a signal generator which sends out signals with the same frequency band as the frequency band receiver, and the signal generator is provided with an ID identification module;
the signal generator sends out electromagnetic signals according to the electronic price tag to be awakened, and the frequency band receiver receives the frequency band matched with the signal generator to realize awakening;
the awakening method of the electronic price tag awakening system based on the electromagnetic signal comprises the following steps of:
step 1, an AP system works at ordinary power and frequency; the electronic price tag is in a hardware sleep state and is displayed in a working state;
step 2, the AP system sends out electromagnetic signals and sends out transient signals in three periods at the same time; the electronic price tag receives electromagnetic signals sent by the AP system, the frequency band receiver drives the frequency band identification unit to identify three signal fingerprints, periods and widths, if the three signals are expected, the width information of the three signals is stored, and meanwhile the electromagnetic signals are synchronized;
step 3, the AP system sends out an electromagnetic signal, and the width of the signal in the previous step is multiplied by a constant to obtain the length of the sent signal; the electronic price tag receives the signal again, meanwhile, the fingerprint and the signal width of the measured signal are compared with the characteristics received last time, and if the fingerprint and the signal width are consistent, the electronic price tag is ready to wake up;
and 4, the AP system sends out an electromagnetic signal, sends an electronic price tag ID to be awakened to receive the signal again, analyzes an ID value carried in the signal, and considers that the electronic price tag is awakened if the ID value is consistent with the ID value.
2. The method for waking up an electronic price tag wake-up system based on electromagnetic signals according to claim 1, wherein: the electronic price tag comprises a shell, and a control electric plate, a power supply and a display screen which are arranged in the shell, wherein the power supply is connected with the control electric plate and the display screen, and the control electric plate is provided with a frequency band receiver.
3. The method for waking up an electronic price tag wake-up system based on electromagnetic signals according to claim 2, wherein: the frequency band receiver is provided with a first power collecting unit, a second power collecting unit, a signal resetting unit and a switch control unit, wherein the switch control unit is electrically connected with the signal resetting unit, the first power collecting unit and the second power collecting unit.
4. A method of waking up an electronic price tag wake-up system based on electromagnetic signals as claimed in claim 3, wherein: the first power collection unit is provided with a first electromagnetic collection module for receiving electromagnetic signals and a first adjusting module for adjusting the electromagnetic signal collection frequency range; the second power collection unit is provided with a second electromagnetic collection module for receiving electromagnetic signals and a second adjusting module for adjusting the electromagnetic signal collection frequency range.
5. The method for waking up an electronic price tag wake-up system based on an electromagnetic signal according to claim 4, wherein: the first electromagnetic collection module is used for collecting frequency hopping electromagnetic signals, and the second electromagnetic collection module is used for collecting long-short frequency electromagnetic signals.
6. The method for waking up an electronic price tag wake-up system based on electromagnetic signals according to claim 5, wherein: the signal resetting unit has a storage medium with a resetting program for generating an electromagnetic signal reset, which is used for the first and second adjusting modules to adjust the signal reset.
7. The method for waking up an electronic price tag wake-up system based on an electromagnetic signal according to claim 6, wherein: the switch control unit is connected to the control electric board and comprises a first switch control module used for connecting and controlling the signal resetting unit and a second switch control module capable of selectively controlling the first power collecting unit and the second power collecting unit.
8. The method for waking up an electronic price tag wake-up system based on electromagnetic signals according to claim 1, wherein:
the signal generator sends out electromagnetic frequency band signals to be frequency hopping signals, electromagnetic signals matched with the frequency hopping signals are arranged in a first electromagnetic collecting module in the first power collecting unit, and the electronic price tag is controlled to be started by the first electromagnetic collecting module and the switch control unit to wake up.
9. The method for waking up an electronic price tag wake-up system based on electromagnetic signals according to claim 1, wherein:
the signal generator sends out electromagnetic frequency band signals which are long-short frequency signals, electromagnetic signals matched with the long-short frequency signals are arranged in a second electromagnetic collecting module in the second power collecting unit, and the second electromagnetic collecting module controls the electronic price tag to be started with the switch control unit to wake up.
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| CN110490288A (en) * | 2019-08-06 | 2019-11-22 | 上海磐启微电子有限公司 | A kind of electronic labelling system that low-power consumption multi-protocols are compatible |
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