CN216494285U - Limited area radio frequency read-write device and intelligent goods shelf - Google Patents
Limited area radio frequency read-write device and intelligent goods shelf Download PDFInfo
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- CN216494285U CN216494285U CN202122291025.XU CN202122291025U CN216494285U CN 216494285 U CN216494285 U CN 216494285U CN 202122291025 U CN202122291025 U CN 202122291025U CN 216494285 U CN216494285 U CN 216494285U
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Abstract
The utility model relates to the technical field of radio frequency identification and application, in particular to a limited area radio frequency reading-writing device and an intelligent goods shelf capable of accurately checking goods in a specific area in a shelf body, which are characterized in that a plate type antenna module is provided with a metal shell, at least two groups of radio frequency antenna mechanisms are arranged in the metal shell, an antenna coil is arranged in each group of radio frequency antenna mechanisms, a window is arranged on the upper surface of the metal shell of the plate type antenna module corresponding to the antenna coil, and a plastic cover plate is arranged on the window; compared with the prior art, the radio frequency antenna mechanism is respectively connected with the radio frequency reader-writer, realizes the accurate reading of the tags in a plurality of limited areas in the same horizontal space by utilizing a group of radio frequency reader-writers to match with a plurality of radio frequency antennas, and has the remarkable advantages of reasonable structure, low cost, high accuracy and the like.
Description
The technical field is as follows:
the utility model relates to the technical field of radio frequency identification and application, in particular to a limited area radio frequency read-write device and an intelligent shelf, wherein the limited area radio frequency read-write device can accurately count goods in a specific area in a shelf body.
Background art:
the conventional radio frequency intelligent checking device can realize batch reading of a plurality of labels in the same space, but can not realize accurate read-write operation on the labels in different areas in the same space. In order to achieve the purpose, patent document CN207684280U discloses an intelligent shelf with information display and sensing functions, which is provided with a shelf body, multiple layers of shelf shelves are arranged on the shelf body, in order to realize accurate reading and writing of labels recording goods information in spaces between adjacent shelf shelves, in this document, multiple grooves are arranged at intervals on the shelf of the shelf, an RFID reader is arranged in each groove, and accurate reading of labels in different areas in the same space is realized by independent operation of multiple groups of RFID readers, which obviously causes sharp increase of equipment cost and high complexity of controller wiring.
The utility model content is as follows:
aiming at the defects and shortcomings in the prior art, the utility model provides the limited area radio frequency reading and writing device and the intelligent goods shelf which are reasonable in structure, low in cost and capable of realizing accurate reading and writing operation of tags in different areas in the same space by a group of RFID reading and writing mechanisms.
The utility model is achieved by the following measures:
a limited area radio frequency read-write device is provided with a radio frequency reader-writer and a plate type antenna module, and is characterized in that the plate type antenna module is provided with a metal shell, at least two groups of radio frequency antenna mechanisms are arranged in the metal shell, an antenna coil is arranged in each group of radio frequency antenna mechanisms, a window is arranged on the upper surface of the metal shell of the plate type antenna module corresponding to the antenna coil, and a plastic cover plate is arranged on the window; and the radio frequency antenna mechanisms are respectively connected with the radio frequency reader-writer.
The more than two antenna coils in the metal shell are arranged at intervals.
The antenna coil adopts a rectangular coil and an anti-metal antenna, and the upper surface of the metal shell is provided with a rectangular window which is matched with the shape of the antenna coil, so that the radio frequency read-write signal of each antenna coil is only output through the window, and the reading and writing of the label in the limited area are completed.
The utility model is also provided with an indicator light mechanism which comprises an indicator light control circuit and more than two indicator lights arranged on the plate type antenna module, wherein the more than two indicator lights are respectively in one-to-one correspondence with more than two radio frequency antenna mechanisms in the plate type antenna module.
The utility model also provides an intelligent goods shelf which is provided with a goods shelf body and is characterized in that the radio frequency reader-writer and the plate type antenna modules are arranged on the goods shelf body, and more than two plate type antenna modules are arranged on the goods shelf body to form a plurality of partition spaces.
The shelf comprises a shelf body, wherein more than two plate-type antenna modules are arranged on the shelf body and connected with a radio frequency reader-writer, and indicator lights of the more than two plate-type antenna modules are respectively connected with an indicator light controller.
The shelf body is also provided with a touch all-in-one machine used for providing a user interaction interface, a touch display screen of the touch all-in-one machine can be arranged on the side surface of the shelf body, and the touch all-in-one machine adopts a power supply circuit independent of a radio frequency mechanism.
When the storage rack is applied, the plate type antenna modules are used for forming the multilayer partition plates on the storage rack main body, a storage space is formed between the adjacent plate type antenna modules, more than two goods placing areas are arranged on the upper surface of the metal shell of each plate type antenna module corresponding to the position of the antenna coil in the shell, a window is arranged on the position of each goods placing area corresponding to the antenna coil in the metal shell, a plastic cover plate is arranged, and in the using process, radio-frequency signals output by each antenna coil in the plate type antenna modules only pass through the corresponding window and are limited by the metal partition plates in other directions, so that tags in different areas are effectively prevented from being read; after the properties to be checked are attached with the radio frequency tags, the properties are placed in a one-to-one correspondence mode according to the goods placing areas arranged on the surface of the plate type antenna module, the radio frequency reading and writing device is started, the radio frequency reading and writing device is used for accurately reading the goods in different areas in the same partition space, and goods taking and placing registration is completed according to the tag reading result of a specific area.
Compared with the prior art, the utility model realizes the accurate reading of the tags in a plurality of limited areas in the same horizontal space by utilizing a group of radio frequency reader-writer to match with a plurality of radio frequency antennas, and has the obvious advantages of reasonable structure, low cost, high accuracy and the like.
Description of the drawings:
fig. 1 is a schematic structural diagram of a patch antenna module according to the present invention.
Fig. 2 is a schematic diagram of an internal structure of the patch antenna module according to the present invention.
Fig. 3 is a schematic structural diagram of the intelligent shelf in the utility model.
Reference numerals: the device comprises a metal shell 1, a plastic cover plate 2, an antenna coil 3, a metal baffle plate 4, an indicator lamp 5, a shelf body 6, a radio frequency reader-writer 7, an indicator lamp controller 8, a touch type integrated machine 9, a laminate 10, a beam 11, a stand column 12, a rat guard plate 13, a row guard plate 14, an electric control box 15 and a top box body 16.
The specific implementation mode is as follows:
the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the utility model provides a limited area radio frequency reading and writing device, which is provided with a radio frequency reader and a plate type antenna module, wherein the plate type antenna module is provided with a metal shell 1, at least two groups of radio frequency antenna mechanisms are arranged in the metal shell 1, an antenna coil 3 is arranged in each group of radio frequency antenna mechanisms, a metal shell part on the side surface of the antenna coil 3 forms a metal baffle 4 around the antenna coil 3, a window is arranged on the upper surface of the metal shell 1 of the plate type antenna module, which corresponds to the antenna coil, and a plastic cover plate 2 is arranged on the window; and the radio frequency antenna mechanisms are respectively connected with the radio frequency reader-writer.
More than two antenna coils 3 in the metal shell 1 are arranged at intervals, and a strip-shaped metal partition plate 5 arranged along the width direction of the metal shell 1 is arranged between the adjacent antenna coils 3 and used for reducing the reading possibility of the antenna.
The antenna coil 3 adopts a rectangular coil, and the upper surface of the metal shell 1 is provided with a rectangular window which is adaptive to the shape of the antenna coil 3, so that the radio frequency read-write signal of each antenna coil 3 is only output through the window, and the reading and writing of the label in the limited area are completed.
The utility model is also provided with an indicator light mechanism which comprises an indicator light control circuit and more than two indicator lights 5 arranged on the plate type antenna module, wherein the more than two indicator lights 5 are respectively in one-to-one correspondence with more than two radio frequency antenna mechanisms in the plate type antenna module.
The utility model also provides an intelligent goods shelf which is provided with a goods shelf body 6, wherein the radio frequency reader-writer and the plate type antenna modules are arranged on the goods shelf body 6, and more than two plate type antenna modules are arranged on the goods shelf body to form a plurality of partition spaces.
More than two plate type antenna modules on the goods shelf body 6 are connected with a radio frequency reader-writer 7, and indicator lights of more than two plate type antenna modules are respectively connected with an indicator light controller 8.
The shelf body 6 is also provided with a touch all-in-one machine 9 used for providing a user interaction interface, a touch display screen of the touch all-in-one machine 9 can be arranged on the side surface of the shelf body, and the touch all-in-one machine 9 adopts a power supply circuit independent of a radio frequency mechanism.
Example 1:
as shown in fig. 3, the present example provides an intelligent shelf for managing property related to cases based on RFID, the shelf body is a beam type shelf, a plurality of layers are distributed on the shelf body, each layer is designed with a plurality of article carrier placing areas, and the intelligent shelf mainly comprises: the touch type all-in-one machine comprises a touch type all-in-one machine 9, an electric control box, a radio frequency reader-writer 7, an indicator lamp controller 8, a plate type antenna module, a laminate, a beam, a stand column, a row guard board, a top box body, a rat guard and an antenna area PC plastic cover plate on the upper surface of a metal shell of the plate type antenna module.
The touch all-in-one machine 9 adopts a high-configuration industrial android main board, is high in running speed, safe and stable, and has rich peripheral interfaces; the peripheral interface mainly used is a network interface and is used for communicating with an upper-layer server; the structure is fixedly arranged on the column guard plate and is designed into a single-side door opening mode, so that later debugging and maintenance are facilitated;
the electric control box is provided with a power supply input port, a network interface and a power supply communication output port. A power conversion module and a communication conversion module are designed in the electric control box; the power supply input port is a commercial power 220V alternating current input port, and after level conversion is carried out by a power supply conversion module in the electric control box, working power supplies are provided for all the radio frequency reader-writers 7 and the indicator lamp controllers 8 which are cascaded under the electric control box through a power supply communication output port; the network interface is mainly used for communicating with an upper-layer server and converting a communication protocol through a communication conversion module in the electric control box; the power supply communication output port is designed into two independent power supply communication interfaces, and when the multiple shelf sections are cascaded, the power supply communication output port respectively supplies power supply and communication for the radio frequency reader-writer 7 and the indicator lamp controller 8 of the multiple shelf sections; the electric control box is placed in the top box body, and when each row of the plurality of shelf sections are cascaded, the electric control box 15 is placed in the top box body 16 of the first shelf section;
the radio frequency reader-writer 7 is provided with two power supply communication interfaces and two radio frequency interfaces, the two power supply communication interfaces are mainly used for power supply and communication of the radio frequency reader-writer 7, and cascade connection among the radio frequency reader-writers 7 can be realized when a plurality of goods shelves are cascaded; a plurality of radio frequency interfaces are designed, and the switching of the radio frequency interfaces is controlled through the inside of the radio frequency reader-writer 7 and is used for respectively connecting antenna interfaces of a plurality of plate-type antenna modules in the goods shelf so as to realize the transmission and the reception of radio frequency signals;
the indicator light controller 8 is provided with two power supply communication interfaces and two indicator light control interfaces, the two power supply communication interfaces are mainly used for power supply and communication of the indicator light controller 8, and cascade connection among the radio frequency readers 8 can be realized when a plurality of shelves are cascaded; the indicator light control interface is mainly used for connecting the antenna and the indicator light interface of the indicator light module 8 and controlling each indicator light;
the plate type antenna module is provided with an antenna interface and an indicator light interface, and comprises an antenna 3 and an indicator light 5, after the plate type antenna module is installed on a frame body, the antenna 3 is positioned right below a PC plastic cover plate 2 of an antenna area and corresponds to the label pasting position of an article carrier, so that the in-place state detection of the corresponding article carrier is realized; the antenna 3 is arranged in a metal box body of the plate type antenna module, and a metal-resistant antenna form is adopted to prevent the tags outside an antenna area from being read;
the indicator light 5 is penetrated out through an opening at a position corresponding to the cross beam and is used for indicating the state of the correspondingly placed article carrier; the light emitting colors of the indicator lamp 5 comprise red, green and blue, so that different state indications can be realized; the interfaces of the indicator lamps 5 adopt a one-in one-out mode, and the cascade connection of the interfaces of the indicator lamps on the same layer is realized; the radio frequency line of the plate type antenna module is wired in the column body close to the rear of the upright post of the frame body, and the control line of the indicating lamp 5 is wired in the column body close to the front of the upright post 12, so that the interference between the radio frequency line and the control line is avoided; the plate-type antenna module is hung and installed at the bottom of the laminate 10 through a structural design clamping position, and later maintenance and repair are facilitated.
In this example, the laminate 10, the cross beam 11, the upright 12, the row guard plates 14, the top box 16 and the rat guard plate 13 form a basic frame body, wherein the upright 12 is in an "H" shaped structure and forms a basic frame of the shelf frame body with the cross beam 11, two cross beams 11 are used in front and at the back of each layer of shelf, and the cross beams 11 are clamped into hanging holes of the upright 12 through buckles at the two ends; when the multiple sections of goods shelves are cascaded, two adjacent sections of goods shelves share one upright post 12; the first section of each row of goods shelves is provided with a row guard board 14, and the row guard board 14 is hung on the upright post 12 through a hook; the laminated plate 10 is arranged between the two cross beams 11 on each layer, and the cross beams 11 are designed with inward folded edges for bearing the laminated plate 10; the beam 11 is provided with an elliptical hole at the position of each corresponding article carrier placing area, and a light homogenizing cover is arranged at the position of the elliptical hole and used for emitting light of the indicator light; a square window is designed at the position of each corresponding article carrier placing area of the layer plate 10, and an antenna area PC plate is buckled and installed, so that radio frequency signals of antennas below can be conveniently emitted; the top box body is installed and hung between the upright posts through bolts; the rat guard is used for sealing the space below the lowest layer plate of the goods shelf.
When the storage rack is applied, the plate type antenna modules are used for forming the multilayer partition plates on the storage rack main body, a storage space is formed between the adjacent plate type antenna modules, more than two goods placing areas are arranged on the upper surface of the metal shell of each plate type antenna module corresponding to the position of the antenna coil in the shell, a window is arranged on the position of each goods placing area corresponding to the antenna coil in the metal shell, a plastic cover plate is arranged, and in the using process, radio-frequency signals output by each antenna coil in the plate type antenna modules only pass through the corresponding window and are limited by the metal partition plates in other directions, so that the tags in different areas are effectively prevented from being read; after the properties to be checked are attached with the radio frequency tags, the properties are placed in a one-to-one correspondence mode according to the goods placing areas arranged on the surface of the plate type antenna module, the radio frequency reading and writing device is started, the radio frequency reading and writing device is used for accurately reading the goods in different areas in the same partition space, and goods taking and placing registration is completed according to the tag reading result of a specific area.
Compared with the prior art, the utility model realizes the accurate reading of the tags in a plurality of limited areas in the same horizontal space by utilizing a group of radio frequency reader-writer to match with a plurality of radio frequency antennas, and has the obvious advantages of reasonable structure, low cost, high accuracy and the like.
Claims (7)
1. A limited area radio frequency read-write device is provided with a radio frequency reader-writer and a plate type antenna module, and is characterized in that the plate type antenna module is provided with a metal shell, at least two groups of radio frequency antenna mechanisms are arranged in the metal shell, an antenna coil is arranged in each group of radio frequency antenna mechanisms, a window is arranged on the upper surface of the metal shell of the plate type antenna module corresponding to the antenna coil, and a plastic cover plate is arranged on the window; and the radio frequency antenna mechanisms are respectively connected with the radio frequency reader-writer.
2. The defined area radio frequency reader-writer device according to claim 1, wherein more than two antenna coils are spaced apart in said metal housing.
3. The defined area radio frequency reading and writing device of claim 1, wherein the antenna coil is a rectangular coil and is a metal-resistant antenna, and a rectangular window adapted to the shape of the antenna coil is formed on the upper surface of the metal shell, so that the radio frequency reading and writing signal of each antenna coil is output only through the window to complete reading and writing of the tag in the defined area.
4. The restricted area radio frequency reading and writing device according to claim 1, further comprising an indicator light mechanism, comprising an indicator light control circuit and two or more indicator lights disposed on the panel antenna module, wherein the two or more indicator lights correspond to the two or more radio frequency antenna mechanisms in the panel antenna module one-to-one.
5. An intelligent goods shelf is provided with a goods shelf body, and is characterized in that the radio frequency reader-writer and the plate-type antenna modules according to any one of claims 1 to 4 are arranged on the goods shelf body, and more than two plate-type antenna modules are arranged on the goods shelf body to form a plurality of partition spaces.
6. The intelligent shelf according to claim 5, wherein more than two plate antenna modules on the shelf body are connected with a radio frequency reader-writer, and the indicator lights of more than two plate antenna modules are respectively connected with an indicator light controller.
7. The intelligent storage rack according to claim 5, wherein a touch all-in-one machine is further arranged on the storage rack body and used for providing a user interaction interface, a touch display screen of the touch all-in-one machine is arranged on the side face of the storage rack body, and the touch all-in-one machine adopts a power supply circuit independent of the radio frequency mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291025.XU CN216494285U (en) | 2021-09-22 | 2021-09-22 | Limited area radio frequency read-write device and intelligent goods shelf |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291025.XU CN216494285U (en) | 2021-09-22 | 2021-09-22 | Limited area radio frequency read-write device and intelligent goods shelf |
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| Publication Number | Publication Date |
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| CN216494285U true CN216494285U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122291025.XU Active CN216494285U (en) | 2021-09-22 | 2021-09-22 | Limited area radio frequency read-write device and intelligent goods shelf |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474778A (en) * | 2022-10-10 | 2022-12-16 | 北京兰德华电子技术有限公司 | Storage module and storage equipment suitable for all-metal narrow and small space |
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2021
- 2021-09-22 CN CN202122291025.XU patent/CN216494285U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474778A (en) * | 2022-10-10 | 2022-12-16 | 北京兰德华电子技术有限公司 | Storage module and storage equipment suitable for all-metal narrow and small space |
| CN115474778B (en) * | 2022-10-10 | 2024-01-09 | 北京兰德华电子技术有限公司 | Storage module and storage equipment suitable for all-metal narrow space |
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