CN111597843B - Commodity display method, commodity display system and electronic tag shielding system - Google Patents
Commodity display method, commodity display system and electronic tag shielding system Download PDFInfo
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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
- G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10079—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- 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
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0641—Shopping interfaces
- G06Q30/0643—Graphical representation of items or shoppers
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Abstract
The invention discloses a commodity display method, a commodity display system and an electronic tag shielding system, wherein the commodity display method comprises the following steps: the consumer picks up the commodity with the electronic tag, and triggers the electronic tag to send a radio frequency signal; the card reader reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the host; the host computer sends commodity information to the display screen; and displaying the commodity information on a display screen. The triggering mechanism is realized through the shielding structure, when the commodity is placed on the goods shelf, the electronic tag signal is shielded, and when the commodity on the goods shelf is picked up, the electronic tag signal can be read by the card reader. The brand-new commodity display method and system are realized through the technical scheme, the system is low in price and can be deployed in a large quantity, the far-field antenna coverage range is wide, the interaction reaction speed is high, the requirement on a card reader is low, and only the picked-up tag is read.
Description
Technical Field
The invention relates to the technical field of commodity display, in particular to the technical field of related commodity display systems realized by using electronic tags.
Background
At present, most off-line retailers display commodity information through a display screen in a store, but the display mode is a single and fixed display mode and has no interactivity.
The existing emerging commodity state recognition scheme is based on camera deep learning recognition; secondly, article picking and identifying based on an electronic scale and an infrared proximity sensor; the camera identification can not distinguish the differences among a plurality of same commodities, and the camera identification needs very large calculation amount, and generally needs to lay local servers, GPU (graphic processing unit) and other computing equipment on site, so that the cost is high; article pick-up identification based on electronic scale and infrared proximity sensor can not handle SKU misplacement problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a commodity display method, a commodity display system and an electronic tag shielding system.
In order to solve the technical problems, the invention is solved by the following technical scheme:
a merchandise display method comprising the steps of:
the consumer picks up the commodity and triggers the commodity information corresponding to the commodity to be transmitted to the host;
and receiving the commodity information sent by the host computer by a display screen related to the commodity, and displaying the commodity information.
Optionally, the consumer picks up the merchandise at location one;
the display screen related to the first position receives the commodity information and displays the commodity information;
the commodity moves from the first position to the second position;
and the display screen related to the second position receives the commodity information and displays the commodity information.
Optionally, the consumer picks up the commodity with the electronic tag, and triggers the electronic tag to send a radio frequency signal;
the card reader reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the host;
the host computer sends commodity information to the display screen;
and displaying the commodity information on a display screen.
Optionally, the consumer picks up the commodity with the electronic tag at the first position, and triggers the electronic tag to send a radio frequency signal;
the card reader corresponding to the first position reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the first host;
the host sends commodity information to a display screen at the first position;
the display screen at the first position receives the commodity information and displays the commodity information;
when the commodity with the electronic tag at the first position moves to a second position;
the second position corresponds to the card reader to read the radio frequency signal, acquire the information of the picked up commodity and send the information to the second host;
and the display screen at the second position receives the commodity information and displays the commodity information.
Optionally, the commodity information content displayed in the first position is different from that displayed in the second position.
Optionally, when the goods are placed on the shelf, the electronic tag signal is shielded, and when the goods on the shelf are picked up, the electronic tag signal can be read by the card reader.
The invention also provides an electronic tag shielding system which comprises an article, a storage rack, a card reader and a shielding structure, wherein the shielding structure comprises an electronic tag and a shielding layer, when the article is placed on the storage rack, the electronic tag is close to the shielding layer, and when the article is away from the storage rack, the electronic tag is far away from the shielding layer.
The invention also provides a commodity display system for realizing the commodity display method, which comprises a display screen, a host and the electronic tag shielding system, wherein the host acquires commodity information from a card reader, sends the commodity information to the display screen, and the display screen displays the commodity information.
The commodity display system also comprises a plurality of display screens and a host computer corresponding to the display screens, and the same electronic tag can be read by at least 1 card reader.
The invention has the beneficial effects that:
1. according to the technical scheme, a brand new commodity display method and system are realized, the state of the commodity is perceived by using the RFID technology, and the state identification and dynamic interaction are carried out on the commodity, so that the purposes of better drainage conversion and customer behavior data analysis are achieved. The system has low price, can be deployed in a large quantity, has wide coverage range by using far-field antennas, has high interactive response speed and low requirement on a card reader, and can only read a picked-up tag.
2. The technical scheme comprises an electronic tag and a card reader. The electronic tag is adhered to the surface of the commodity, and the card reader is arranged on or near the goods shelf. When the commodity is picked up or put down, the state that the card reader reads the electronic tag is changed, so that whether the commodity is picked up or not is judged, and the commodity display application of the market is further carried out.
3. The RFID card reader of the technical scheme can trigger the equipment to send information only when the state is changed and only when the state is not read. When the article moves a little, the article does not cross the card reading boundary of the card reader, and information display cannot be triggered. Therefore, the information transmission can not be triggered when the consumer dials the commodity or accidentally moves the commodity, so that the management is more convenient and the identification is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a merchandise display system;
fig. 2 is a schematic view of an electronic tag shielding structure of embodiment 2;
FIG. 3 is a schematic view of the shielding structure of the electronic tag of embodiment 3;
fig. 4 is a schematic view of the shielding structure of the electronic tag of embodiment 4;
fig. 5 is a schematic view of the shielding structure of the electronic tag of embodiment 5.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention thereto.
Example 1
A merchandise display method comprising the steps of:
the consumer picks up the commodity with the electronic tag, and triggers the electronic tag to send a radio frequency signal;
the card reader reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the host;
the host computer sends commodity information to the display screen;
and displaying the commodity information on a display screen.
The triggering mechanism is realized through the shielding structure, when the commodity is placed on the goods shelf, the electronic tag signal is shielded, and when the commodity on the goods shelf is picked up, the electronic tag signal can be read by the card reader.
In this embodiment, the reading function of the RFID cross-device group is mainly implemented, and the specific implementation steps are as follows:
the consumer picks up the commodity with the electronic tag at the first position and triggers the electronic tag to send a radio frequency signal;
the card reader corresponding to the first position reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the first host;
the host sends commodity information to a display screen at the first position;
the display screen at the first position receives the commodity information and displays the commodity information;
when the commodity with the electronic tag at the first position moves to a second position;
the second position corresponds to the card reader to read the radio frequency signal, acquire the information of the picked up commodity and send the information to the second host;
and the display screen at the second position receives the commodity information and displays the commodity information.
And the commodity information content displayed in the first position is different from that displayed in the second position.
The first position is the position of the shelf, and the second position is the fitting room. The specific application of commodity display can be that a consumer can view commodities at a commodity display position, and related display screens around a goods shelf can display related commodities picked up by the consumer; when the commodity is clothes, the commodity can be taken to a fitting room, at the moment, RFID signals can be read by the fitting room, and commodity information is displayed on a display screen of the fitting room. The commodity information displayed by the display screen of the fitting room and the commodity information displayed by the related display screen around the goods shelf can be different, for example, the related display screen around the goods shelf displays basic commodity information, and the display screen of the fitting room displays wearing-related commodity information.
The hardware part of the embodiment comprises a host (white Hub), a display screen, a card reader, an antenna, an electronic tag and shielding materials.
The ID of the electronic tag (called tag ID later) is bound with information of the commodity, after the card reader receives the tag ID, the card reader number and the time stamp are packed into a data packet, finally the packed information is transmitted to the host through a USB interface or other transmission modes, the host corresponds to the originally bound commodity information through the received electronic tag ID change, and then the commodity information is displayed on a screen. (the core is to detect the change of the signal of the RFID read currently, and then feedback the change through software, wherein the feedback is that the related content of the originally set commodity is displayed in the corresponding screen.)
As shown, position one has a first host (white Hub), a first display screen, a first card reader and a first antenna,
the second position is provided with a second host (white Hub), a second display screen, a second card reader and a second antenna.
When the commodity with the electronic tag is picked up in the shielding material at the first position and read by the first card reader at the first position, related commodity information or interaction information is displayed on the first display screen at the first position;
and moving the commodity with the electronic tag from the first position to the second position, wherein the tag ID is read by a second card reader at the second position, and related commodity information or interaction information is also displayed on a second display screen at the second position.
The antenna is a far-field antenna, the card reading distance is generally about 2-3 meters (the distance is shortened due to shielding, please take actual scene test as the standard), and the far-field antenna can be arranged on the ceiling above the goods shelf or at the bottom of the goods shelf. When the antenna is installed, the antenna is considered to be in a conical area with the front 106 degrees, and when the object to be identified is lifted, the antenna is considered to be in the recognition range.
It should be noted that this solution is not useful for metallic SKUs and liquid SKUs, which can significantly attenuate the card reading distance.
The technical solution needs to have a shielding system capable of receiving the RFID signal after picking up the commodity, and the specific description of the shielding system is performed by embodiment 2, embodiment 3, embodiment 4 and embodiment 5.
Example 2
The embodiment provides an electronic tag shielding system, as shown in fig. 2, including a commodity 10, a goods shelf and a card reader, wherein an electronic tag 30 is arranged on a contact surface of the commodity and the goods shelf, a shielding structure 40 is arranged on a contact surface of the goods shelf and the commodity, when the commodity leaves the goods shelf, a signal of the electronic tag can be read by the card reader, and when the commodity is placed on the goods shelf, the card reader cannot read the signal of the electronic tag.
Specifically, the shielding structure is fixed on the goods shelf in a bonding mode; an electronic tag is fixed on the contact surface of the commodity, which is contacted with the goods shelf, and the fixing mode comprises bonding; when the goods are placed on the goods shelf, the electronic tag is contacted with the shielding structure, so that shielding is realized; when the goods are picked up and leave the goods shelf, the electronic tag is far away from the shielding structure and is not shielded.
The electronic tag shielding system provided by the embodiment can further comprise a far-field antenna, wherein the far-field antenna is arranged on the top layer of the goods shelf and is used for receiving signals of the electronic tag and reading the signals by the card reader;
in this embodiment, the card reader for transmitting and receiving data to and from the electronic tag may be arbitrarily placed, and the reason why the antenna is fixed to the top layer of the shelf is that the coverage signal range is large when the antenna is provided on the top layer of the shelf.
The electronic tags are attached to the commodities and are bound with the commodities, and each commodity corresponds to a tag ID of one electronic tag; the electronic tag receives the microwave signal transmitted by the card reader and acquires energy through the electromagnetic induction coil to supply power to the electronic tag for a short time, so that information exchange is completed; the electronic tag includes a transmitting/receiving antenna, an AC/DC circuit, a demodulation circuit, a logic control circuit, an ID memory, and a modulation circuit.
In this embodiment, the electronic tag, the card reader, the antenna, etc. are all of the prior art, and the detailed description of the other specific structures and the connection relationship of the electronic tag, the card reader, the antenna, etc. is omitted.
The shielding structure includes one or more of a metal plate, a metal mesh, and a radio wave shielding film; specifically, in this embodiment, the shielding structure may be any shielding material, for example: metal plates, metal nets, and radio wave shielding films.
Can inlay into goods shelves with the shielding layer, goods shelves plywood is metal or spreads the one deck metal sheet promptly, and electronic tags pastes in commodity SKU bottom moreover, when commodity placed on goods shelves, electronic tags contacted with the shielding layer, played the effect of shielding signal, and what needs to be explained is: the closer the electronic tag is to the shielding structure, the better the shielding effect, so when the electronic tag is clung to the shielding structure, the shielding effect is the best.
When the commodity is picked up, the electronic tag is separated from the shielding structure, namely when the electronic tag leaves the shielding structure, the electronic tag can receive data sent by the card reader and send the tag ID of the electronic tag back to the card reader, the antenna receives radio frequency signals and reads the radio frequency signals by the card reader, decodes the tag ID of the electronic tag, packages the serial numbers of the card reader together, transmits information containing the tag ID and the serial numbers of the card reader to the host through the USB interface, the host recognizes the commodity category through the received tag ID, obtains the position range of the commodity through the serial numbers of the card reader, and displays commodity information on a corresponding display screen.
The invention discloses an electronic tag shielding system, which comprises a commodity, a goods shelf and a card reader, wherein an electronic tag is arranged on the contact surface of the commodity, which is contacted with the goods shelf, a shielding structure is arranged on the contact surface of the goods shelf, and when the commodity leaves the goods shelf, a far-field antenna receives a radio frequency signal of the electronic tag and is read by the card reader; when the goods are placed on the goods shelves, the electronic tag clings to the shielding structure, and signals of the electronic tag are shielded; when the commodity is picked up by a customer, the electronic tag leaves the shielding structure, the electronic tag can receive data sent by the card reader and send the tag ID back to the card reader, and the card reader can complete identification of the commodity according to the received tag ID.
Example 3
The embodiment provides an electronic tag shielding structure, which comprises a shielding body, wherein the shielding body comprises an upper layer and a lower layer which are folded, one layer is a shielding layer, the other layer connected with the shielding layer is provided with an electronic tag, and the upper layer and the lower layer of the shielding body can be separated; when the shielding main body is stressed, the shielding layer approaches the electronic tag, and the signal of the electronic tag is shielded. When the shielding main body is not stressed, the shielding layer is far away from the electronic tag, and signals of the electronic tag are not shielded.
The shielding layer is close to the electronic tag, specifically includes: the shielding layer is contacted with the electronic tag. The shielding layer is provided with shielding materials, and the shielding materials comprise one or more of metal plates, metal meshes and radio wave shielding films, and specifically: in this embodiment, the shielding layer may be any shielding material, for example: a metal plate, a metal mesh, or a radio wave shielding film, and the metal plate may be a copper foil.
It should be noted that, each commodity corresponds to an electronic tag, and the electronic tag is attached to the commodity and forms binding with the commodity; the electronic tag comprises a receiving and transmitting antenna, an AC/DC circuit, a demodulation circuit, a logic control circuit, an ID memory and a modulation circuit; the electronic tag receives microwave signals transmitted by the card reader and acquires energy through the electromagnetic induction coil to supply power to the electronic tag for a short time, so that information exchange is completed.
In this embodiment, the electronic tag and the card reader are both in the prior art, and the specific structure and part of the connection relationship of the electronic tag and the card reader are not described in detail in this embodiment.
In this embodiment, the shielding body includes upper and lower layers in a folded shape; the method specifically comprises the following steps:
as shown in fig. 3, the shielding layer 41 is fixed as an upper layer to the bottom of the article 10; one layer 42 provided with the electronic tag 30 is a lower layer; or one layer provided with the electronic tag is used as an upper layer to be fixed at the bottom of the commodity, and the shielding layer is used as a lower layer of the shielding body.
When the shielding main body is pressed, the shielding layer is contacted with the electronic tag, and signals of the electronic tag are shielded; the method specifically comprises the following steps:
the shielding layer is connected with one layer provided with the electronic tag on only one side, but all parts except the connected side are not required to be contacted, and the shielding layer is only required to be contacted with the electronic tag, so that the effect of shielding signals is finally realized; it should be noted that, the closer the electronic tag is to the shielding structure, the better the shielding effect, so when the electronic tag is closely attached to the shielding structure, the shielding effect is the best.
When the shielding main body is not stressed, the shielding layer is far away from the electronic tag, and signals of the electronic tag are not shielded; the method specifically comprises the following steps:
when no pressure is applied, the upper layer and the lower layer of the shielding body are connected on one side, and other parts are folded in a separated state. The electronic tag with the shielding layer can not shield the signal of the electronic tag, and can receive and transmit the signal.
The shielding body can also comprise a bending part, one side of the bending part is connected with the shielding layer, and the other side of the bending part is connected with a layer provided with an electronic tag; the kink has elasticity, and when no pressure was acted on, the kink is normal bending state, and shielding layer and electronic tags are the separation state, and when pressure was acted on, the kink received external force extrusion for the state of buckling more for shielding layer and electronic tags are the state of contacting mutually, finally realize shielding signal's effect.
It should be noted that the shielding structure can be applied to any application scenario requiring the shielding structure, and the invention is not limited.
Based on the same inventive concept, the embodiment also separately provides an electronic tag identification system, and the specific structure and function of the shielding structure can be referred to the related description, and the repetition is not repeated.
The commodity storage rack is used for storing commodities; the contact surface of the commodity and the goods shelf is provided with the shielding body, when the commodity leaves the goods shelf, the signal of the electronic tag is read by the card reader, and when the commodity is placed on the goods shelf, the card reader cannot read the signal of the electronic tag.
The electronic tag reader also comprises a far-field antenna, wherein the far-field antenna is arranged on the top layer of the goods shelf and is used for receiving signals of the electronic tag and reading the signals by the card reader.
In this embodiment, the card reader for receiving and transmitting data with the electronic tag may be optionally placed, the antenna may be fixed on the top layer of the shelf, and the coverage signal range is large when the antenna is disposed on the top layer of the shelf.
When goods are placed on a goods shelf, the upper layer and the lower layer of the shielding body are contacted, and the shielding body specifically comprises:
the shielding layer is stuck to the bottom of the commodity, the commodity is placed on a goods shelf, and at the moment, the electronic tag is stuck to the shielding layer to play a role in shielding; or, the lower layer provided with the electronic tag is stuck to the bottom of the commodity, the commodity is placed on a goods shelf, and at the moment, the electronic tag is stuck to the shielding layer to play a role in shielding;
when goods are picked up, the upper and lower two-layer separation of shielding body specifically includes:
when the commodity is picked up, the pressure disappears, the upper layer and the lower layer of the shielding body are separated, the shielding effect of the shielding layer on the electronic tag is eliminated, the electronic tag can accept data sent by the card reader, the electronic tag returns a tag ID corresponding to the electronic tag to the card reader, the card reader receives a signal, decodes the tag ID, packs the number of the card reader into the number, finally transmits the packed information to the host through the USB interface, and the host recognizes the commodity category through the received tag ID.
The invention discloses an electronic tag shielding structure and a shielding system, wherein the electronic tag shielding structure comprises commodities, a goods shelf, a card reader and a shielding body, wherein the goods shelf is used for placing the commodities; the antenna is used for reading data sent by the card reader; the shielding body comprises an upper layer and a lower layer which are folded, wherein one layer is a shielding layer, and the other layer is provided with an electronic tag; when the goods are placed on the goods shelf, the shielding layer is provided with a layer of electronic tags, the electronic tags are clung to the shielding layer, and signals of the electronic tags are shielded; when the commodity is picked up, the two layers of the shielding body are separated except for other parts of the connecting part, the electronic tag leaves the shielding layer, data sent by the card reader can be received, the tag ID is returned to the card reader, and the card reader can finish the identification of the commodity according to the received tag ID.
Example 4
The embodiment provides an electronic tag shielding structure, as shown in fig. 4, which comprises a shielding body, wherein the shielding body comprises two layers connected through an elastic structure, one layer is a shielding layer 41, and the other layer is provided with an electronic tag 30; when the spring structure 50 is in a compressed state, the two layers of the shielding body are in contact; when the spring structure is in an extended state, the two layers of the shielding body are separated.
The elastic structure comprises a spring; it should be noted that the elastic structure in fig. 1 is a schematic view, and is merely a schematic effect, and the actual shape may depend on the specific shape of the different elastic structures.
The shielding layer is provided with shielding materials, and the shielding materials comprise one or more of metal plates, metal meshes and radio wave shielding films, and specifically comprise: the shielding layer may be any shielding material, for example: a metal plate, a metal mesh, and a radio wave shielding film; the metal plate may be a copper foil.
Each commodity 10 corresponds to a tag ID of an electronic tag 30, and the electronic tag is attached to the commodity and forms binding with the commodity; the electronic tag receives the microwave signal transmitted by the card reader and acquires energy through the electromagnetic induction coil to supply power to the electronic tag for a short time, so that information exchange is completed; the electronic tag includes a transmitting/receiving antenna, an AC/DC circuit, a demodulation circuit, a logic control circuit, an ID memory, and a modulation circuit.
In this embodiment, the electronic tag, the card reader, and the antenna are all of the prior art, and the specific structure and the partial connection relationship of the electronic tag, the card reader, and the antenna are not described in detail.
The shielding layer is an upper layer, the other layer containing the electronic tag is a lower layer, or the one layer containing the electronic tag is an upper layer, and the shielding layer is a lower layer; the lower layer is fixed on the goods shelf and is attached to the goods shelf; the upper layer is in contact with the commodity.
When the commodity is placed on the goods shelf, the elastic structure is in a compressed state, the electronic tag is close to the shielding layer, and the electronic tag signal is shielded; when the commodity is taken up, the elastic structure is in an extension state, two layers of the shielding body are separated, the electronic tag is far away from the shielding layer, and the electronic tag signal is not shielded.
It should be noted that, the closer the electronic tag is to the shielding structure, the better the shielding effect, so when the electronic tag 30 is closely attached to the shielding structure, the shielding effect is the best; moreover, the shielding structure can be applied to any application scene where the shielding structure can be used, and the invention is not limited.
Based on the same inventive concept, the embodiment also provides an electronic tag shielding system, and the specific structure and function of the shielding body can be referred to the related description, and the repetition will not be repeated.
The device also comprises a commodity, a goods shelf and a card reader, wherein a shielding body is arranged on the contact surface of the goods shelf and the commodity; the shielding body includes two-layer through elastic structure connection, and one layer is the shielding layer, and another layer is equipped with electronic tags, leaves the goods shelves when commodity, and electronic tags's signal is read by the card reader, places in the goods shelves when commodity, and the card reader can't read electronic tags's signal.
The electronic tag reader also comprises a far-field antenna, wherein the far-field antenna is arranged on the top layer of the goods shelf and is used for receiving signals of the electronic tag and reading the signals by the card reader.
In this embodiment, the card reader for receiving and transmitting data with the electronic tag may be arbitrarily placed, and the reason for fixing the antenna on the top layer of the shelf is that the coverage signal range is large when the antenna is disposed on the top layer of the shelf.
When commodity is placed on goods shelves, elastic structure receives commodity's pressure, and elastic structure is compressed, and shielding body's upper strata and lower floor form to hug closely, and shielding layer and electronic tags hug closely promptly, and at this moment, electronic tags all are shielded by shielding layer, can't accept external information.
When the commodity is taken up, the elastic structure loses pressure and returns to a normal extension state, the upper layer and the lower layer of the shielding body are separated, namely the electronic tag is also separated from the shielding layer, the electronic tag can receive signals sent by the card reader and send back tag ID to the card reader, the card reader receives the signals, decodes the tag ID, packs the serial number of the card reader into the serial number, finally transmits the packed information to the host through the USB interface, and the host recognizes the commodity category through the received electronic tag ID and obtains the position range of the commodity through the serial number of the card reader.
The invention discloses an electronic tag shielding structure and a shielding system, wherein the electronic tag shielding structure comprises a commodity, a goods shelf and a card reader, and a shielding body is arranged on a contact surface of the goods shelf and the commodity; the shielding body comprises two layers connected through an elastic structure, wherein one layer comprises a shielding layer, and the other layer comprises an electronic tag; when the commodity is placed on the goods shelf, the elastic structure is in a compressed state, and two layers of the shielding body are tightly attached; when the commodity is picked up, the elastic structure is in an extension state, and two layers of the shielding body are separated; when the goods are placed on the goods shelf, the signals of the electronic tag are shielded, when the goods are picked up by a customer, the electronic tag leaves the shielding layer, data sent by the card reader can be received, the tag ID is returned to the card reader, and the card reader can complete identification of the goods according to the received tag ID.
Example 5
The embodiment provides an electronic tag, as shown in fig. 5, which comprises an antenna 33 and a chip 31, wherein a normally closed switch 32 is arranged on a connecting line of the antenna and the chip, and when the normally closed switch is disconnected under the action of external force, the electronic tag cannot receive and transmit signals; when no external force acts, the normally closed switch is closed, and the electronic tag can send and receive signals.
Specifically, the normally closed switch is arranged on an antenna line where the antenna and the chip are connected.
The chip includes an AC/DC circuit, a demodulation circuit, a logic control circuit, an ID memory, and a modulation circuit.
In this embodiment, each commodity corresponds to an ID of an electronic tag; the RFID is attached to the commodity and bound with the commodity; the RFID receives microwave signals transmitted by the card reader, and obtains energy through the electromagnetic induction coil to supply power to the RFID for a short time, so that information exchange is completed.
The chip is connected with the antenna, and the antenna is provided with a normally closed switch which is a film normally closed switch.
The normally closed switch refers to a switch which is in a closed state under the condition that no external force acts on the switch, and when a person dials a switch button or the switch is controlled by an automatic device to dial, the switch is converted into an open state.
In this embodiment, the membrane normally closed switch includes the atress point, when receiving external pressure, and the atress point can receive pressure, makes the switch break, will form a circuit breaker in the middle of the antenna, leads to the signal of chip to send out, finally realizes the effect that electronic tags's signal is shielded.
When no external pressure is applied, the stress point is not stressed, and the switch 35 is in a closed state as shown in fig. 1, so that the antenna can receive external signals and can send out signals of the chip.
Based on the same conception, the invention also provides an electronic tag identification system which comprises a commodity, a goods shelf and a card reader, wherein the electronic tag is arranged on the contact surface of the commodity, which is in contact with the goods shelf, and comprises an antenna, the antenna is provided with a film normally-closed switch, when the antenna is acted by external force, the film normally-closed switch is disconnected, and the signal of the electronic tag cannot be read by the card reader; when the film normally-closed switch is closed under the action of no external force, the signal of the electronic tag can be read by the card reader.
And the RFID reader also comprises a far-field antenna, wherein the far-field antenna is used for receiving signals of the RFID and reading the signals by the card reader.
In this embodiment, the card reader for transmitting and receiving data to and from the electronic tag may be arbitrarily placed, and the reason why the antenna is fixed to the top layer of the shelf is that the coverage signal range is large when the antenna is provided on the top layer of the shelf.
Specifically, the electronic tag is attached to the bottom of a commodity, the commodity is placed on a goods shelf, the normally closed switch of a film arranged on the antenna is disconnected due to the weight of the electronic tag, the antenna of the electronic tag is in a non-conducting state, and the chip of the electronic tag is unreadable; when the commodity is picked up, the film closing switch at the antenna end is converted into a closing state, the antenna of the electronic tag is conducted, data sent by the card reader can be received, the tag ID is returned to the card reader, the card reader receives signals, decodes the tag ID, packages the number of the card reader, finally transmits packaged information to the host through the USB interface, and the host identifies the commodity category through the received electronic tag ID.
The invention provides an electronic tag and an identification system thereof, wherein the electronic tag comprises an antenna and a chip, a film normally-closed switch is arranged on a connecting path of the antenna and the chip, and when the film normally-closed switch is acted by external force, the film normally-closed switch is disconnected, and signals of the electronic tag can not be transmitted and received; when no external force acts, the membrane normally closed switch is closed, and the signal of the electronic tag can send and receive signals.
In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. A merchandise display method comprising the steps of:
the consumer picks up the commodity and triggers the commodity information corresponding to the commodity to be transmitted to the host;
the display screen related to the commodity receives the commodity information sent by the host computer and displays the commodity information;
the consumer picks up the commodity with the electronic tag at the first position and triggers the electronic tag to send a radio frequency signal;
the card reader corresponding to the first position reads the radio frequency signal, acquires the information of the picked up commodity and sends the information to the first host;
the host sends commodity information to a display screen at the first position;
the display screen at the first position receives the commodity information and displays the commodity information;
when the commodity with the electronic tag at the first position moves to a second position;
the second position corresponds to the card reader to read the radio frequency signal, acquire the information of the picked up commodity and send the information to the second host;
the display screen at the second position receives the commodity information and displays the commodity information;
the commodity information content displayed in the first position is different from the commodity information content displayed in the second position;
the method for realizing the triggering of the electronic tag to send the radio frequency signal comprises the following steps of: when goods are placed on the goods shelf, the electronic tag signals are shielded, and when the goods on the goods shelf are picked up, the electronic tag signals can be read by the card reader, and the specific structure comprises: the electronic tag comprises an antenna and a chip, a film normally-closed switch is arranged on a connecting passage of the antenna and the chip, and when the film normally-closed switch is acted by external force, the film normally-closed switch is disconnected, and signals of the electronic tag can not be transmitted and received; when no external force acts, the film normally closed switch is closed, and the signal of the electronic tag can send and receive signals; the electronic tag is attached to the bottom of a commodity, the commodity is placed on a goods shelf, the film normally-closed switch arranged on the antenna is disconnected due to the weight of the electronic tag, the antenna of the electronic tag is in a non-conducting state, and the chip of the electronic tag is unreadable; when the commodity is picked up, the film closing switch at the antenna end is converted into a closing state, the antenna of the electronic tag is conducted, data sent by the card reader is received, the tag ID is returned to the card reader, the card reader receives a signal, decodes the tag ID, packages the number of the card reader, finally transmits packaged information to the host, and the host identifies the commodity category through the received electronic tag ID.
2. A commodity display system, which is used for realizing the commodity display method according to claim 1, and comprises a display screen and a host, wherein the host acquires commodity information from a card reader, sends the commodity information to the display screen, and the display screen displays the commodity information.
3. The merchandise display system of claim 2, comprising a plurality of display screens and a host computer corresponding to the display screens, wherein the same electronic tag is readable by at least 1 card reader.
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| CN111967832A (en) * | 2020-09-07 | 2020-11-20 | 杭州拼便宜网络科技有限公司 | Commodity inventory processing method, electronic device, platform and storage medium |
| CN113192445B (en) * | 2021-04-21 | 2023-05-26 | 中国农业银行股份有限公司苏州分行 | Multimedia display system |
| CN114176368A (en) * | 2021-12-10 | 2022-03-15 | 杭州座头鲸科技有限公司 | Intelligent goods shelf system based on RFID technology |
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