CN202677373U

CN202677373U - Electronic shelf labeling system adopting EPD (Electronic Paper Display) screen

Info

Publication number: CN202677373U
Application number: CN 201220290435
Authority: CN
Inventors: 包进
Original assignee: Wuxi Vision Peak Technology Co Ltd
Current assignee: Wuxi Vision Peak Technology Co Ltd
Priority date: 2012-06-20
Filing date: 2012-06-20
Publication date: 2013-01-16
Anticipated expiration: 2022-06-20

Abstract

The utility model provides an electronic shelf labeling system which adopts an EPD (Electronic Paper Display) screen. A local network is built up in a shopping place through a router, a central switch and a secondary switch; a host computer is used to control a plurality of RF (Radio Frequency) emitters in the shopping place through the network; and the RF emitters send RF signals to an RF receiver to update the content of the EPD screen. The host computer can command all the RF emitters to send RF signals to update the content of the EPD screen and can also command all the RF emitters to send RF signals to change the content of the EPD screen. With the electronic shelf labeling system, the efficiency of a supermarket can be greatly improved.

Description

Adopt the electronic bin tag system of EPD screen

Technical field

The utility model relates to field of electronic display, particularly a kind of electronic bin tag system that is applicable to the employing EPD screen of supermarket, sales field.

Background technology

The EPD screen is a kind of display screen that utilizes electrophoretic display technology (EPD) principle and make.Electrophoretic display technology (EPD) is that charged particle black, in vain dichromatism is packaged in the microcapsule structure, controlled the lifting moving of different electric charge black and white particles by extra electric field, to present the display effect of black and white monochrome, under the effect of electric field, two kinds of different particles of black and white are not stopped transport moving, and when the particle of white rose to upper surface, all ambient lightings were mapped to upper surface and are reflected fully, so just formed white state, namely the state of paper; Behind the exchange electrode, the particle of two kinds of colors can switch, so white particle just can to below gone, above the particle of black was arrived, light was all absorbed by the particle of black, the result just causes black, has also just formed white and black displays.In addition, the state that mixing also can be arranged at upper surface, two kinds of proportional mixing of different particles, can form like this black and white and the different colours of gray-level is arranged, because the EPD technology can present the white and black displays effect of high reflectance, high contrast, and memory effect is arranged simultaneously, after the extra electric field cancellation, the current demonstration that presents of instant playback is such as the content as shown in same the printed paper.Owing to having a bistability, after the power electrical field cancellation, still on the EPD screen, image kept some months or several years.

The characteristic that after the power electrical field cancellation, still can show present image according to the EPD screen, the applicant once proposed a kind of " shelf passive electronic label display system and display packing " in patented claim CN201210052509.1, wherein relate to and utilize remote server to upgrade merchandise news to the intelligent hand-held terminal device synchronization, upgrade again the displaying contents of EPD screen by intelligent hand-held terminal equipment.But in actual applications, the quantity of shielding owing to the EPD in each supermarket, the sales field is huge, when needs upgrade EPD screen data in enormous quantities, still adopts hand-held terminal device to upgrade one by one the displaying contents of EPD screen, and its efficient does not often catch up with requirement.

The utility model content

The purpose of this utility model is to provide a kind of electronic bin tag system of the EPD of employing screen, with the Main Means of RF technology as renewal EPD screen, with the supplementary means of hand-held terminal device as renewal EPD screen, to realize more quick, high efficiency EPD screen data updating function.

The technical solution of the utility model is as follows:

A kind of electronic bin tag system that adopts the EPD screen comprises a principal computer, a router, center switch, one or more hand-held terminal device, a plurality of EPD screen, a plurality of RF transmitter and many secondary switches; Described principal computer, router, center switch and many secondary switches form LAN (Local Area Network) by netting twine; In each space, sales field, arrange a secondary switch and four RF transmitters; Described RF transmitter is arranged in four corners on each space, sales field ceiling, and is connected with secondary switch in the space, corresponding sales field; Described EPD screen is installed on the shelf, and each EPD screen is connected with a RF receiver, carries out Wireless Data Transmission between described RF transmitter and the described RF receiver; Described hand-held terminal device carries out data transmission by data line and EPD screen.

Its further technical scheme is:

Described RF transmitter is made of RF chip and MCU drive plate.Described RF receiver is made of RF chip and MCU drive plate.Described RF receiver and EPD screen become one.

Useful technique effect of the present utility model is:

The utility model is by router, and the equipment such as center switch, secondary switch are built LAN in the sales field, control a plurality of RF transmitters by principal computer, is upgraded the content of EPD screen by RF transmitter transmitting RF signal.Can make all RF transmitter transmitting RF signals upgrade the content of EPD screen, also can make the RF transmitter transmitting RF signal of appointment upgrade the content that relevant EPD shields.Use the utility model, can greatly promote the efficient in supermarket, be embodied in the following aspects:

A. save human resources.According to investigation, the price tag of large supermarket every day is changed need to take 1 ~ 2 hour time of tens employees, run into sales promotion festivals or holidays and then need to spend more energy, and the use electronic shelf label, the employee is therefrom freed, the time is more put in other the work and gone.B. conserves paper and protection of the environment.Use electronic shelf label to can be papery price tags a large amount of under the saving of supermarket, the expense of also having saved a lot of printer inks simultaneously.And except reducing expenses, more contribution has been made in protection of the environment, energy-saving and emission-reduction.C. avoid the price mistake.Use marked price that electronic shelf label guaranteed commodity on the shelf forever all with the POS machine in consistent, thereby the Customer Complaint of thoroughly having stopped to cause because price is inconsistent reaches the various legal consequences of bringing thus.When safeguarding the right to know of client to commodity price, built better shopping environment, so that client trusts the supermarket more, promote the supermarket brand.D. so that large-scale timesharing sales promotion becomes possibility.When using paper labels, because the staff restriction is appraised at the current rate on a large scale and can only be carried out at night, and the use electronic shelf label, the price refresh rate is fast, thereby so that the supermarket carry out in hour extensive sales promotion become possibility, bring more promotion plan, promoted sales volume.But the original ERP system of seamless link e., system compatibility is strong, original paper labels is managed by same set of software systems, the price control system is managing electronic shelf label and common paper labels simultaneously, makes not to be that the Commercial goods labels that often appraises at the current rate also increases work efficiency by this cover management mechanism.

F. frivolous, the easy reading of the EPD of electronic shelf label, not only have the effect that is similar to paper, compare and traditional paper, more can unlimited renewal information, and pass through pc connection, can reach benefit timely, that accurately upgrade, for the merchandise control of hypermarket or large warehoused material handling, the electronic shelf label of employing EPD also meets the trend of automatic management.Easily be converted into standard product, usable range is extensive, shows that cost is low.

In addition, the utility model also can be applicable to the every field such as industrial automation, business automation, communications and transportation control and management, Auto Express-way Toll Collector System, managing system of car parking, Item Management, the streamline production automation, safety discrepancy inspection, warehousing management.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the signal transmission schematic diagram of RF transmitter and RF receiver.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described further.

As shown in Figure 1, the utility model discloses a kind of electronic bin tag system of the EPD of employing screen.System is comprised of principal computer 1, router two, center switch 3, hand-held terminal device 4, a plurality of EPD screen 5, a plurality of RF transmitter 6 and many secondary switches 7.

EPD screen 5 is on a kind of commodity shelf that are placed on the sales field, the electronic display unit of alternative traditionally on paper price tag.EPD screen 5 big or small customizable, its demonstration data can adopt different template datas, also can customize according to customer requirement.

Principal computer 1, router two, interchanger (center switch 3, secondary switch 7) are formed LAN (Local Area Network) by netting twine, according to sales field space layout network.Arrange that in each space, sales field a

secondary switch

7 and 6, four RF transmitters 6 of four RF transmitters all are connected with secondary switch 7.Four RF transmitters 6 are arranged in four corners on the ceiling of sales field, make the coverage of RF wireless signal all normal in the sales field everywhere.

Hand-held terminal device 4 is connected by data line and EPD screen 5, can inquire about easily check, the while can shield 5 to EPD and change separately.

Principle of work of the present utility model is as follows: at first the merchandise news of 1 pair of lane database of principal computer is made coding and is processed, and the information exchanges such as price that then will need to upgrade are crossed the network that is comprised of router two, center switch 3, secondary switch 7 and are sent to RF transmitter 6; The RF radio signal that RF transmitter 6 driven antenna will be loaded with commodity data information is sent to whole sales field; Be installed on EPD screen 5 on the shelf be connected with respectively with the RF receiver 8(of identity code or RF receiver 8 and EPD screen 5 integrate), receiver 8 can be reduced into the RF signal that receives effective digital signal and show at EPD screen 5.The utlity model has point-to-point and two kinds of communication functions of mass-sending, that is: principal computer 1 both can specify EPD screen 5 to transmit data to certain, also can control all EPD screens 5 once.

As shown in Figure 2, around the RF transmitter 6 continuous driven antenna RF radio signal that will be loaded with commodity data information is sent to.Each EPD screen 5 connects a RF receiver 8.The radio signal that RF receiver 8 sends by antenna reception RF transmitter 6.

The RF transmitter is RF chip+MCU drive plate, and is always in running order.The RF chip adopts NRF24LE1 wireless transceiver chip, perhaps similar substitute.The MCU drive plate adopts 8051 single-chip microcomputers.Perhaps similar substitute.

The RF receiver is RF chip+MCU drive plate, and the MCU single-chip microcomputer arranges interval time by programming, generally is in dormant state, open at set intervals, the RF chip is opened in driving, if receive signal, by check and correction, confirm OK, driving power is opened the EPD screen, signal is processed being reduced to effective digital signal by coding, in the EPD screen display out, and then powered-down, continue on the EPD screen to show.Otherwise do not receive the relevant instruction such as renewal, then the MCU Micro Controller Unit (MCU) driving is closed the RF chip, waits until that the next cycle drives search again, circulates with this.

RF receiver of the present utility model, RF transmitter also can use the mechanicss of communication such as Zigbee, IR, RFID, RF, Wi-Fi, 3g, bluetooth to replace simultaneously.

Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from basic conception of the present utility model, all should think to be included within the protection domain of the present utility model.

Claims

1. an electronic bin tag system that adopts the EPD screen is characterized in that: comprise that a principal computer (1), a router (2), a center switch (3), one or more hand-held terminal device (4), a plurality of EPD shield (5), a plurality of RF transmitter (6) and many secondary switches (7);

Described principal computer (1), router (2), center switch (3) form LAN (Local Area Network) with many secondary switches (7) by netting twine; In each space, sales field, arrange a secondary switch (7) and four RF transmitters (6); Described RF transmitter (6) is arranged in four corners on each space, sales field ceiling, and is connected with secondary switch (7) in the space, corresponding sales field; Described EPD screen (5) is installed on the shelf, and each EPD screen (5) is connected with a RF receiver (8), carries out Wireless Data Transmission between described RF transmitter (6) and the described RF receiver (8); Described hand-held terminal device (4) carries out data transmission by data line and EPD screen (5).

2. the electronic bin tag system of described employing EPD screen according to claim 1, it is characterized in that: described RF transmitter (6) is made of RF chip and MCU drive plate.

3. the electronic bin tag system of described employing EPD screen according to claim 1, it is characterized in that: described RF receiver (8) is made of RF chip and MCU drive plate.

4. according to claim 1 or the electronic bin tag systems of 3 described employing EPD screens, it is characterized in that: described RF receiver (8) becomes one with EPD screen (5).