CN104616629A - Power carrier-based electronic price tag - Google Patents
Power carrier-based electronic price tag Download PDFInfo
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- CN104616629A CN104616629A CN201510028461.4A CN201510028461A CN104616629A CN 104616629 A CN104616629 A CN 104616629A CN 201510028461 A CN201510028461 A CN 201510028461A CN 104616629 A CN104616629 A CN 104616629A
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- price tag
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- electronics price
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Abstract
The invention relates to a power carrier-based electronic price tag. The power carrier-based electronic price tag comprises a control device and an electronic price tag terminal, wherein the control device is connected with the electronic price tag terminal through a power line and comprises a PC (Personal Computer); the electronic price tag terminal comprises a carrier module, a display, a microprocessor and a memory; the microprocessor is connected with the carrier module, the display and the memory respectively; the PC exchanges commodity information with the microprocessor through the carrier module; the microprocessor is used for storing the commodity information through the memory and controlling the display to display the commodity information. According to the power carrier-based electronic price tag, a power line becomes a communication carrier of the PC in the electronic price tag terminal and the control device while power is provided for the electronic price tag terminal by the power line, so that the maintenance cost is reduced.
Description
Technical field
The present invention relates to electronics price tag field, refer in particular to a kind of communication simply based on the electronics price tag of power carrier.
Background technology
The display of commodity information such as existing supermarket, convenience store, pharmacy have paper label and electronics price tag, and paper label display information can not change flexibly, must change the information on paper label, make with maintenance cost large meeting the price reduction that gives a discount, when changing commodity, sales promotion; Electronics price tag is mostly wireless mode or wired mode transmission merchandise news, and in electronics price tag terminal display of commodity information, common super incity commodity may have hundreds and thousands of kinds of commodity or more, often kind of commodity use an electronics price tag terminal demonstration merchandise news, if use wire communication mode, make wiring complexity, O&M cost large; If use wireless communication mode, hundreds and thousands of wireless launchers then can cause that whole supermarket is all wireless radiation, real-time communication is poor, occupy many radio frequency resources, for this reason, we have developed a kind of line of electric force allow line of electric force become while powering electronics price tag based on power line carrier, PLC that PC in electronics price tag terminal and control device carries out communications carrier to electronics price tag terminal, thus reduce maintenance cost.
Summary of the invention
The present invention seeks to provide a kind of communication simply based on the electronics price tag of power carrier to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of electronics price tag based on power carrier, comprises control device, electronics price tag terminal; Described control device is connected by line of electric force with electronics price tag terminal; Described control device comprises PC; Described electronics price tag terminal comprises carrier module, display, microprocessor and storer; Described microprocessor is connected with carrier module, display and storer respectively; Described PC is by carrier module and microprocessor trade goods information; Described microprocessor by storer store commodity information, and controls display and demonstrates merchandise news.
Preferably, described microprocessor refers to conventional at present 8,16 or 32-bit microprocessor; Described microprocessor is respectively arranged with the full duplex communicated with carrier module or semiduplex asynchronous serial communication mouth, I2C or the SPI interface consistent with storer, the interface that display shows can be controlled.
Preferably, described carrier module directly can access civil power, asynchronous serial communication on microprocessor is demodulated to carrier communication and is sent on line of electric force by described carrier module, also the carrier communication on line of electric force can be demodulated to asynchronous serial communication and send to microprocessor.
Preferably, described control device also comprises power line carrier, PLC modular converter, cashier; Carrier communication is converted to the communication interface that PC can connect by described power line carrier, PLC modular converter, realizes the two-way communication of PC and electronics price tag terminal.
Preferably, described PC is connected with multiple cashier.
Preferably, described display can demonstrate the information such as trade name, the commodity place of production, cargo price, promotional flag, tank farm stock; Described display can be the LCD display device of dot matrix LCD, character LCD, dot matrix OLED, charactron or customization.
Preferably, described storer is the storer of I2C or SPI interface, can erasable more than 10,000 times, keep the storer of a kind of power-off maintenance of more than 10 years.
Preferably, described electronics price tag terminal also comprises power supply; Described power supply is that one converts civil power AC220V/50Hz alternating current to galvanic device, for display, microprocessor and storer provide operating voltage.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, the making using papery price tag and maintenance cost is significantly reduced;
2, avoid as each electronics price tag terminal arrangement order wire, reduce wiring and maintenance cost;
3, avoid as wireless device established by each electronics price tag end-frame, reduce the wireless radiation that wireless device brings, improve the reliability of communication, do not take radio frequency resources.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the terminal structure schematic diagram of the electronics price tag based on power carrier of the present invention;
Accompanying drawing 2 is the enforcement structural representation of the electronics price tag based on power carrier of the present invention;
Wherein: 1, line of electric force; 2, carrier module; 3, display; 4, microprocessor; 5, storer; 6, power supply; 7, electronics price tag terminal; 8, power line carrier, PLC modular converter; 9, PC; 10, cashier.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-2 is the electronics price tag based on power carrier of the present invention, comprises control device, electronics price tag terminal 7; Described control device is connected by line of electric force 1 with electronics price tag terminal 7; Described control device comprises power line carrier, PLC modular converter 8, PC 9, cashier 10; Described electronics price tag terminal 7 comprises carrier module 2, display 3, microprocessor 4 and storer 5, power supply 6; Described microprocessor 4 refers to conventional at present 8,16 or 32-bit microprocessor, and described microprocessor 4 is connected with carrier module 2, display 3 and storer 5 respectively; Described microprocessor 4 is respectively arranged with the full duplex that carrier module 2 communicates or semiduplex asynchronous serial communication mouth, I2C or the SPI interface consistent with storer 5, the interface that display 3 shows can be controlled; Described PC 9 is believed by carrier module 2 and microprocessor 4 trade goods; Described carrier module 2 directly can access civil power, asynchronous serial communication on microprocessor 4 is demodulated to carrier communication and is sent on line of electric force 1 by described carrier module 2, also the carrier communication on line of electric force 1 can be demodulated to asynchronous serial communication and send to microprocessor 4; Carrier communication is converted to the communication interface that PC 9 can connect by described power line carrier, PLC modular converter 8, realizes the two-way communication of PC 9 and electronics price tag terminal 7; Described microprocessor 4 by storer 5 store commodity information, and controls display 3 and demonstrates merchandise news; Described display 3 can demonstrate the information such as trade name, the commodity place of production, cargo price, promotional flag, tank farm stock, can be the LCD display device of dot matrix LCD, character LCD, dot matrix OLED, charactron or customization; Described storer 5 is the storer of I2C or SPI interface, can erasable more than 10,000 times, the storer that keeps a kind of power-off of more than 10 years to keep, encode for the parameter value of store commodity information, store electrons price tag terminal operating, store electrons price tag terminal address; Described power supply 6 is that one converts civil power AC220V/50Hz alternating current to galvanic device, for display 3, microprocessor 4 and storer 5 provide operating voltage; Described PC 9 is connected with multiple cashier 10, is convenient to transaction.
During use: electronics price tag terminal 7 before being taken into use, writes and the unduplicated geocoding of other electronics price tag terminal 7 in fixed address in the memory 5.After electronics price tag terminal 7 powers on, initialization is carried out to microprocessor 4, display 5.Judge to show in storer 5 and whether have merchandise news for display, as there is no merchandise news then the sending to of outstanding message, then from storer 5 fixed address, read the RAM that merchandise news puts into microprocessor 4 if any merchandise news, and the data in RAM are converted to certain form and send display 3 to show, in control device, PC 9 circulating rolling mode sends information, the merchandise news of geocoding electronics price tag terminal 7 correspondence therewith containing each electronics price tag terminal 7 in every frame information, each electronics price tag terminal 7 is after receiving the information that in control device, PC 9 is sent, whether the geocoding in analytical information is identical with the geocoding of this terminal, difference does not then do any process, if geocoding is identical, then take out merchandise news from the information received, if take out merchandise news and storer 5 in merchandise news inconsistent, new merchandise news thought by microprocessor in electronics price tag terminal 74, this information is saved to the displaying contents of also refresh display 3 in storer 5, electronics price tag terminal 7 returns response message to the PC 9 of commodity management system simultaneously, normal to show electronics price tag terminal 7, if the merchandise news that the merchandise news received and storer have had is consistent, no longer preserve merchandise news in the storer 5 of electronics price tag terminal 7.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, the making using papery price tag and maintenance cost is significantly reduced;
2, avoid as each electronics price tag terminal arrangement order wire, reduce wiring and maintenance cost;
3, avoid as wireless device established by each electronics price tag end-frame, reduce the wireless radiation that wireless device brings, improve the reliability of communication, do not take radio frequency resources.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within rights protection scope of the present invention.
Claims (8)
1. based on an electronics price tag for power carrier, it is characterized in that: comprise control device, electronics price tag terminal; Described control device is connected by line of electric force with electronics price tag terminal; Described control device comprises PC; Described electronics price tag terminal comprises carrier module, display, microprocessor and storer; Described microprocessor is connected with carrier module, display and storer respectively; Described PC is by carrier module and microprocessor trade goods information; Described microprocessor by storer store commodity information, and controls display and demonstrates merchandise news.
2. the electronics price tag based on power carrier according to claim 1, is characterized in that: described microprocessor refers to conventional at present 8,16 or 32-bit microprocessor; Described microprocessor is respectively arranged with the full duplex communicated with carrier module or semiduplex asynchronous serial communication mouth, I2C or the SPI interface consistent with storer, the interface that display shows can be controlled.
3. the electronics price tag based on power carrier according to claim 1, it is characterized in that: described carrier module directly can access civil power, asynchronous serial communication on microprocessor is demodulated to carrier communication and is sent on line of electric force by described carrier module, also the carrier communication on line of electric force can be demodulated to asynchronous serial communication and send to microprocessor.
4. the electronics price tag based on power carrier according to claim 1, is characterized in that: described control device also comprises power line carrier, PLC modular converter, cashier; Carrier communication is converted to the communication interface that PC can connect by described power line carrier, PLC modular converter, realizes the two-way communication of PC and electronics price tag terminal.
5. the electronics price tag based on power carrier according to claim 4, is characterized in that: described PC is connected with multiple cashier.
6. the electronics price tag based on power carrier according to claim 1, is characterized in that: described display can demonstrate the information such as trade name, the commodity place of production, cargo price, promotional flag, tank farm stock; Described display can be the LCD display device of dot matrix LCD, character LCD, dot matrix OLED, charactron or customization.
7. the electronics price tag based on power carrier according to claim 1, is characterized in that: described storer is the storer of I2C or SPI interface, can erasable more than 10,000 times, keep the storer of a kind of power-off maintenance of more than 10 years.
8. the electronics price tag based on power carrier according to claim 1, is characterized in that: described electronics price tag terminal also comprises power supply; Described power supply is that one converts civil power AC220V/50Hz alternating current to galvanic device, for display, microprocessor and storer provide operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028461.4A CN104616629A (en) | 2015-01-21 | 2015-01-21 | Power carrier-based electronic price tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028461.4A CN104616629A (en) | 2015-01-21 | 2015-01-21 | Power carrier-based electronic price tag |
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| Publication Number | Publication Date |
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| CN104616629A true CN104616629A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510028461.4A Pending CN104616629A (en) | 2015-01-21 | 2015-01-21 | Power carrier-based electronic price tag |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683835A (en) * | 2018-09-26 | 2019-04-26 | 厦门贝尔斯特科技有限公司 | A kind of electronics price tag system based on POWERBUS bus |
| WO2021163983A1 (en) * | 2020-02-21 | 2021-08-26 | 汉朔科技股份有限公司 | Electronic price tag positioning apparatus, system and method, and computer readable storage medium |
| WO2021163984A1 (en) * | 2020-02-21 | 2021-08-26 | 汉朔科技股份有限公司 | Apparatus, system and method for locating electronic price tag, and computer-readable storage medium |
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2015
- 2015-01-21 CN CN201510028461.4A patent/CN104616629A/en active Pending
Patent Citations (11)
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| US5404149A (en) * | 1990-11-07 | 1995-04-04 | Rasec Communication (Societe Anonyme) | Electronic data display device |
| CN2638337Y (en) * | 2003-07-03 | 2004-09-01 | 亚奇宝通电子技术（深圳）有限公司 | Flush power line carrier communication modem |
| CN1952989A (en) * | 2006-10-09 | 2007-04-25 | 林南潮 | A multifunctional intelligentized electronic caution board system |
| US20090021504A1 (en) * | 2007-07-19 | 2009-01-22 | Chi-Kun Oh Yang | Display apparatus integrated with power line communication function |
| CN101609645A (en) * | 2009-05-19 | 2009-12-23 | 深圳市金立翔科技有限公司 | A kind of LED display control system |
| CN102222206A (en) * | 2011-05-18 | 2011-10-19 | 韩梅 | System with multiple-electric-price-tag group |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683835A (en) * | 2018-09-26 | 2019-04-26 | 厦门贝尔斯特科技有限公司 | A kind of electronics price tag system based on POWERBUS bus |
| WO2021163983A1 (en) * | 2020-02-21 | 2021-08-26 | 汉朔科技股份有限公司 | Electronic price tag positioning apparatus, system and method, and computer readable storage medium |
| WO2021163984A1 (en) * | 2020-02-21 | 2021-08-26 | 汉朔科技股份有限公司 | Apparatus, system and method for locating electronic price tag, and computer-readable storage medium |
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Application publication date: 20150513 |
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| RJ01 | Rejection of invention patent application after publication |