CN115693099A - Radio frequency antenna module for goods shelf - Google Patents
Radio frequency antenna module for goods shelf Download PDFInfo
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- CN115693099A CN115693099A CN202211297700.2A CN202211297700A CN115693099A CN 115693099 A CN115693099 A CN 115693099A CN 202211297700 A CN202211297700 A CN 202211297700A CN 115693099 A CN115693099 A CN 115693099A
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Abstract
The invention belongs to the field of intelligent storage, and discloses a radio frequency antenna module for a goods shelf, which comprises the goods shelf and an antenna module, wherein the goods shelf comprises a plurality of side column units, a plurality of beam units and a bearing unit, two ends of the plurality of beam units are respectively connected with the side column units, a placing area for placing the bearing unit is formed, and the top end of the goods shelf is provided with a top expanding area for accessing the antenna module; the antenna module comprises an antenna plate and a placing plate, the placing plate comprises a bottom shielding surface, a front shielding surface, a rear shielding surface, a left shielding surface and a right shielding surface, the front shielding surface, the rear shielding surface, the left shielding surface and the right shielding surface are arranged around the bottom shielding surface, the antenna plate is arranged inside the placing plate, and the antenna plate emits or receives electromagnetic waves towards the top end of the goods shelf; the distance between an antenna layer and a non-identification area is effectively shortened, and the space utilization rate of the warehousing equipment is increased; further packaging is beneficial to the durability of the antenna board; the durability of the antenna is improved, and the use space is reduced.
Description
Technical Field
The invention belongs to the field of intelligent warehousing, and particularly relates to a radio frequency antenna module for a goods shelf.
Background
The goods shelf is used as an important carrier for material management in storage logistics, along with the development of the industrial Internet of things, the business form of the goods shelf has upgrading requirements, more intelligent and efficient material management is realized, the goods shelf is a favorable way for realizing cost reduction and efficiency improvement of factories, and the application of the Internet of things technology to the goods shelf enables the information and digital response capability of the traditional goods shelf;
among various internet of things technologies, the radio frequency identification technology has been rapidly developed in recent years due to the non-contact, high identification efficiency, mature technology and mature upstream and downstream supply chains, and the existing radio frequency shelf is paved with antennas on a common shelf, and a directional radio frequency antenna board for storage equipment is usually installed in the storage equipment in an exposed manner to transmit and receive electromagnetic fields to radio frequency tags in the transmitting direction. Along with the increase of complexity of storage forms and material identification, multiple material states need a single radio frequency antenna assembly to finish identification, wherein at least two identification state materials are placed in an identification area and a non-identification area of the antenna assembly; the expansion antenna is laid on a laminate of the existing shelf, so that the laying position and the laying effect have more uncertain factors due to different shelves and operators, and the effect after laying is influenced; the radio frequency identification has large errors, and a plurality of shielding measures cannot be well carried out even are not shielded at all because the expanded antenna is laid on the basis of a shelf laminate and are limited by the laminate; the space utilization rate is mainly due to the fact that the radio frequency host occupies a large space in use space such as a cargo channel space and the periphery, and the other reason is that shielding measures are not forced to force a larger distance to avoid data serial reading, such as increasing the distance from a layer where an antenna is located;
however, in the existing storage equipment, the materials in the non-identification area need to be separated from the antenna module by a relatively large distance to avoid reading, so that the space of the storage equipment is wasted, the durability of the antenna module is affected by various complex factors such as temperature, humidity, dust and scraping due to the loss of the protective measures of the antenna plate, the service life is shortened, and the service life and the durability of the antenna are restricted by the packaging form of the antenna using process.
The prior art has defects and needs to be improved.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a radio frequency antenna module for a shelf.
The technical scheme of the invention is as follows: a radio frequency antenna module for a shelf comprises the shelf and an antenna module, wherein the shelf comprises a plurality of side column units, a plurality of beam units and a plurality of bearing units, two ends of the beam units are respectively connected with the side column units, a placing area for placing the bearing units is formed, and a top expanding area for connecting the antenna module is arranged at the top end of the shelf; the antenna module comprises an antenna plate and a placing plate, wherein the placing plate comprises a bottom shielding surface, a front shielding surface, a rear shielding surface, a left shielding surface and a right shielding surface, the front shielding surface, the rear shielding surface, the left shielding surface and the right shielding surface are arranged around the bottom shielding surface, the antenna plate is arranged inside the placing plate, the antenna plate emits or receives electromagnetic waves towards the top end of the goods shelf, and the antenna plate is shielded by one or more of the front shielding surface, the rear shielding surface, the left shielding surface and the right shielding surface in a normal projection mode.
Preferably, the antenna board is a directional antenna, and the antenna board transmits or receives the same electromagnetic wave signal as that in a coil in the antenna board towards the upper side of the shelf.
Preferably, the frequency of the antenna board for inventing or receiving electromagnetic waves is 900-1000MHz.
Preferably, the antenna board is provided with a feeder line connected with the radio frequency reader-writer, and a signal shielding layer isolated from the goods passage area is arranged in a wiring area of the feeder line on the goods shelf.
Preferably, the antenna module further includes a side shield, the side shield includes a side shield fixing portion and a side shield shielding portion, and the side shield shielding portion reflects or absorbs electromagnetic wave signals within a height range between a distance from a top end of the shielding portion to the fixing portion.
Preferably, the antenna module further comprises a wire-passing shield, the wire-passing shield comprises a wire-passing shield fixing part and a wire-passing shield shielding part, and the wire-passing shield shielding part reflects electromagnetic wave signals within a height range between the top end of the shielding part and the fixing part; the wire passing shield is also used for feeder wiring, and the feeder is arranged on one side of the wire passing shield part and the antenna board.
Preferably, the front shield, the rear shield, the left shield and the right shield are respectively provided with a front shield connecting wall, a rear shield connecting wall, a left shield connecting wall and a right shield connecting wall.
Preferably, the antenna module further comprises a cover plate covering the antenna board, the cover plate is abutted against the front shield connecting wall, the rear shield connecting wall, the left shield connecting wall and the right shield connecting wall and forms an enclosure with the placing board, and the cover plate covers the antenna board and forms a flat placing surface on the antenna board for placing the radio frequency tag carrier.
Preferably, the antenna module further comprises a plurality of support plates arranged between the antenna plate and the bottom shielding surface of the placing plate, and the support plates are used for enhancing the integrity of the placing plate and are connected with the antenna plate; the supporting plate is provided with a supporting plate connecting hole for connecting an antenna coil, and the antenna plate is connected to the reinforcing plate through the supporting plate connecting hole.
Preferably, the antenna module further comprises a containing line concentration area for concentrating the joint of the feeder line of the antenna board and the switching feeder line and a part of the feeder line, and the line concentration area is provided with a line concentration area through hole for the penetration of the feeder line; the line concentration area comprises a shell and a cover body, the shell and the cover body are fixedly connected after the feeders are arranged, the top surface of the line concentration area is flush with the top of the antenna board, and the cover board is supported in the supporting performance near the line concentration area.
Compared with the prior art, the invention has the advantages that the identification accuracy of the antenna is effectively improved, the radio frequency interference is reduced, the distance between an antenna layer and a non-identification area is effectively shortened, and the space utilization rate of the storage equipment is increased; further packaging is beneficial to the durability of the antenna board; the antenna can be used as a configuration module of storage equipment, is used for intelligent upgrade of a traditional goods shelf, prolongs the service life, improves the durability of the antenna and reduces the use space.
Drawings
FIG. 1 is a schematic view of the overall structure of the pallet of the present invention;
fig. 2 is a schematic view of the overall structure of the antenna module according to the present invention;
fig. 3 is a schematic diagram of the internal structure of the antenna module according to the present invention;
fig. 4 is a schematic view of a material identification area/non-identification area of an antenna module according to the present invention;
FIG. 5 is a schematic view of the placement of the antenna module of the present invention on a shelf module;
fig. 6 is a schematic structural diagram of the shelf system of the present invention.
The antenna module comprises a shelf 1, an antenna module 2, a side column unit 11, a beam unit 12, a bearing unit 13, a top extension area 14, an antenna board 21, a placing board 22, a side shield 23, a wire passing shield 24, a covering board 25, a supporting board 26, a wire collecting area 27, a bottom shielding surface 221, a front shielding surface 222, a rear shielding surface 223, a left shielding surface 224, a right shielding surface 225, a side shield fixing part 231, a side shield shielding part 232, a wire passing shield fixing part 241, a wire passing shield part 242, a front shield connecting wall 2221, a rear shield connecting wall 2231, a left shield connecting wall 2241, a right shield connecting wall 2251, a supporting board connecting hole 261, a wire collecting area through hole 273, a housing 271 and a cover 272.
Detailed Description
The above features are combined with each other to form various embodiments not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
In order to facilitate an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be described in detail with reference to the accompanying drawings.
One embodiment is shown in fig. 1-4: a radio frequency antenna module 2 for a shelf 1 comprises the shelf 1 and an antenna module 2, wherein the shelf 1 comprises side column units 11, beam units 12 and bearing units 13, the number of the beam units 12 is multiple, two ends of the multiple beam units 12 are respectively connected with the side column units 11, a placing area for placing the bearing units 13 is formed, and a top expanding area 14 for connecting the antenna module 2 is arranged at the top end of the shelf 1; the antenna module 2 comprises an antenna plate 21 and a placing plate 22, wherein the placing plate 22 comprises a bottom shielding surface 221, a front shielding surface 222, a rear shielding surface 223, a left shielding surface 224 and a right shielding surface 225 which are arranged around the bottom shielding surface 221, the antenna plate 21 is arranged inside the placing plate 22, the antenna plate 21 emits or receives electromagnetic waves towards the top end of the goods shelf 1, and the antenna plate 21 is shielded by one or more of the front shielding surface 222, the rear shielding surface 223, the left shielding surface 224 and the right shielding surface 225 in a normal projection manner;
it should be noted that, the anti-interference capability of the radio frequency antenna module 2 for signal transmission and reception is effectively improved, so that the accuracy and stability of radio frequency identification are improved, and the distance from the antenna layer is reduced, which is beneficial to improving the space utilization rate of the shelf 1; secondly, the space utilization rate of the goods shelf 1 is improved to 100 percent by the creative layout of the host; finally, all parts of the modularized radio frequency shelf 1 can be quickly installed and connected, so that the intelligent modification and deployment speed of the shelf 1 is greatly improved.
One embodiment as shown in fig. 2: the antenna plate 21 is a directional antenna, and the antenna plate 21 transmits or receives the same electromagnetic wave signal as that in the coil in the antenna plate 21 to the upper side of the shelf 1; the frequency of the antenna plate 21 for inventing or receiving electromagnetic waves is 900-1000MHz;
it should be noted that, the rf antenna module 2 is disposed on the top, and a placement surface formed by a column and a beam may be directly embedded, and usually these placement surfaces may also be used to place a flat plate and a connecting fluency strip, when the antenna module 2 is placed in the top expanded area 14, the bottom shielding surface 221 formed by surrounding the antenna board 21 is provided by the placement plate 22 of the antenna module 2 itself, the front shielding surface 222 and the rear shielding surface 223 may be provided by the beam unit 12 (such as one side of an angle steel), the left shielding surface 224 and the right shielding surface 225 may be provided by shielding parts of the antenna module 2, and the antenna board 21 shields the directional projections of the above five shielding surfaces; the radio frequency antenna plate 21 is a circularly polarized flat antenna, and when the radio frequency antenna plate is in normal operation, a spirally progressive electromagnetic field is transmitted towards the normal direction of the plane of the antenna plate 21 where the antenna coil is located, but due to physical properties such as the influence of vertical lobes of electromagnetic waves, the antenna plate 21 is determined to emit magnetic fields towards a plurality of symmetrical directions, the five shielding surfaces effectively inhibit the reflection and diffraction of the electromagnetic field from influencing the electromagnetic radiation intensity below the antenna module 2, in addition, the loss of the electromagnetic field diffused towards the edge in the transmission from a space wave to the plane is increased, and the serial reading of labels is effectively reduced.
One embodiment as shown in fig. 2: a feeder S1 connected with the radio frequency reader-writer is arranged on the antenna board 21, and a signal shielding layer isolated from the goods passage area is arranged in a wiring area of the feeder S1 on the goods shelf 1;
it should be noted that the feeder S1 is connected to the radio frequency reader and the antenna board 21, and a signal shielding layer is disposed in a wiring area of the feeder S1, and is used for blocking a condition that the feeder S1 transmits or receives an electromagnetic field to a cargo channel area, where the signal shielding layer does not refer to a shielding metal enclosure carried by the feeder S1, but refers to a physical isolation outside the feeder S1, such as a metal plate.
One embodiment is shown in fig. 3: the antenna module 2 further comprises a side shield 23, the side shield 23 comprises a side shield fixing part 231 and a side shield shielding part 232, and the side shield shielding part 232 reflects or absorbs electromagnetic wave signals within a height range between the top end of the shielding part and the fixing part; the antenna module 2 further comprises a wire-passing shield 24, the wire-passing shield 24 comprises a wire-passing shield fixing part 241 and a wire-passing shield shielding part 242, and the wire-passing shield shielding part 242 reflects electromagnetic wave signals within a height range between the top end of the shielding part and the fixing part; the wire-passing shield 24 is also used for the wiring of a feeder line S1, and the feeder line S1 is arranged at one side of the wire-passing shield shielding part 242 and the antenna panel 21;
the side extension areas are provided in the non-cargo bed areas such as the side thickness areas or the side outside areas of the cargo bed 1.
One embodiment as illustrated in fig. 3: the front shield 222, the rear shield 223, the left shield 224 and the right shield 225 are respectively provided with a front shield connecting wall 2221, a rear shield connecting wall 2231, a left shield connecting wall 2241 and a right shield connecting wall 2251; the antenna module 2 further includes a cover plate 25 covering the antenna board 21, the cover plate 25 abutting against the front shield connecting wall 2221, the rear shield connecting wall 2231, the left shield connecting wall 2241 and the right shield connecting wall 2251 and forming an enclosure with the placement board 22, the cover plate 25 covering the antenna board 21 and forming a flat placement surface on the antenna board 21 for placing a radio frequency tag carrier;
it should be noted that at least one surface of the covering plate 25 is a frosted surface or a grained surface; the covering plate 25 is an organic high molecular polymer, and can be one of ABS, PE, PP, PA, PVC and PC; the covering plate 25 is provided with a wire passing notch for the feeder line S1, the feeder line S1 led out from the antenna plate 21 passes through the wire passing notch of the feeder line S1 after completing the wiring under the covering plate 25, and the wire passing notches of the feeder line S1 are preferably arranged at four corners of the covering plate 25.
One embodiment as illustrated in fig. 3: the antenna module 2 further comprises a plurality of supporting plates arranged between the antenna plate 21 and the bottom shielding surface 221 of the placing plate 22, and the supporting plates are used for enhancing the integrity of the placing plate 22 and connecting the antenna plate 21; the support plate is provided with a support plate attachment hole 261 for attaching an antenna coil, and the antenna plate 21 is attached to the reinforcing plate 26 through the support plate attachment hole 261;
it should be noted that, the identification accuracy of the antenna is effectively improved, the radio frequency interference is reduced, the distance between the antenna layer and the non-identification area is effectively shortened, and the space utilization rate of the warehousing equipment is increased.
One embodiment as illustrated in fig. 3: the antenna module 2 further comprises a joint for the feeder line S1 of the centralized antenna board 21 and the transfer feeder line S1 and a containing line concentration area 27 for receiving a part of the feeder line S1, wherein the line concentration area is provided with a line concentration area through hole 273 for the penetration of the feeder line (S1); the line concentration area comprises a shell 271 and a cover 272, the shell 271 and the cover 272 are fixedly connected after the feeder lines (S1) are arranged, the top surface of the line concentration area is flush with the top of the antenna board 21, and the support performance of the cover board 25 near the line concentration area is supported;
it should be noted that, the top surface of the concentration area is flush with the top of the antenna board 21, and the support rigidity of the cover board 25 near the connection concentration area is supported, which further contributes to the durability of the antenna board 21; can be used as a configuration module of the warehousing equipment.
The above features are combined with each other to form various embodiments not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The radio frequency antenna module for the shelf is characterized by comprising the shelf (1) and an antenna module (2), wherein the shelf (1) comprises side column units (11), beam units (12) and bearing units (13), the beam units (12) are arranged in a plurality, two ends of the beam units (12) are respectively connected with the side column units (11) to form a placing area for placing the bearing units (13), and a top expanding area (14) for connecting the antenna module (2) is arranged at the top end of the shelf (1); the antenna module (2) comprises an antenna plate (21) and a placing plate (22), wherein the placing plate (22) comprises a bottom shielding surface (221) and a front shielding surface (222), a rear shielding surface (223), a left shielding surface (224) and a right shielding surface (225) which are arranged around the bottom shielding surface (221), the antenna plate (21) is arranged inside the placing plate (22), the antenna plate (21) emits or receives electromagnetic waves towards the top end of the goods shelf (1), and the antenna plate (21) is shielded by one or more of the front shielding surface (222), the rear shielding surface (223), the left shielding surface (224) and the right shielding surface (225) in a normal projection mode.
2. A radio frequency antenna module (2) for a shelf (1) according to claim 1, characterized in that the antenna board (21) is a directional antenna, the antenna board (21) transmitting or receiving the same electromagnetic wave signals as in the coil in the antenna board (21) towards above the shelf (1).
3. A radio frequency antenna module (2) for a shelf (1) according to claim 1, characterized in that the antenna board (21) invents or receives electromagnetic waves with a frequency of 900-1000MHz.
4. The radio frequency antenna module (2) for the shelf (1) according to claim 1, wherein the antenna board (21) is provided with a feeder (S1) connected with a radio frequency reader, and the feeder (S1) is provided with a signal shielding layer isolated from a cargo channel region in a wiring region on the shelf (1).
5. A radio frequency antenna module (2) for a shelf (1) according to claim 1, characterized in that the antenna module (2) further comprises a side shield (23), the side shield (23) comprising a side shield fixing portion (231) and a side shield shielding portion (232), the side shield shielding portion (232) reflecting or absorbing electromagnetic wave signals in a height range between the top end of the shielding portion and the fixing portion.
6. The radio frequency antenna module (2) for the shelf (1) according to claim 1, wherein the antenna module (2) further comprises a wire-passing shield (24), the wire-passing shield (24) comprises a wire-passing shield fixing part (241) and a wire-passing shield (24) shielding part, and the wire-passing shield (24) shielding part reflects electromagnetic wave signals within a height range between the top end of the shielding part and the fixing part; the wire passing shield (24) is also used for wiring of a feeder line (S1), and the feeder line (S1) is arranged on one side of the wire passing shield (24) part and the antenna board (21).
7. A radio frequency antenna module (2) for a shelf (1) according to claim 1, characterized in that the front shield face (222), the rear shield face (223), the left shield (224) and the right shield (225) are provided with a front shield connection wall (2221), a rear shield connection wall (2231), a left shield connection wall (2241) and a right shield connection wall (2251), respectively.
8. A radio frequency antenna module (2) for a shelf (1) according to claim 1, wherein the antenna module (2) further comprises a cover plate (25) covering the antenna plate (21), the cover plate (25) abutting against the front shield connecting wall (2221), the rear shield connecting wall (2231), the left shield connecting wall (2241) and the right shield connecting wall (2251) and forming an enclosure with the placement plate (22), the cover plate (25) covering the antenna plate (21) and forming a flat placement surface on the antenna plate (21) for placing a radio frequency tag carrier.
9. A radio frequency antenna module (2) for a shelving (1) as defined in claim 1, wherein the antenna module (2) further comprises a plurality of support plates disposed between the antenna plate (21) and a bottom shielding surface (221) of a placement plate (22) for enhancing the integrity of the placement plate (22) and connecting the antenna plate (21); the support plate is provided with a support plate connection hole for connecting an antenna coil, and the antenna plate (21) is connected to the reinforcing plate (26) through the support plate connection hole.
10. A radio frequency antenna module (2) for a shelf (1) according to claim 1, characterized in that the antenna module (2) further comprises a containing concentration area (27) for concentrating the junction of the antenna panel (21) own feeder (S1) with the transit feeder (S1) and a part of the feeder (S1) itself, the concentration area being provided with a concentration area through hole (273) for the penetration of the feeder (S1); the line concentration area comprises a shell (271) and a cover body (272), the shell (271) and the cover body (272) are fixedly connected after the feeder lines (S1) are arranged, the top surface of the line concentration area is flush with the top of the antenna board (21), and the support performance of the covering board (25) near the line concentration area is supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211297700.2A CN115693099A (en) | 2022-10-22 | 2022-10-22 | Radio frequency antenna module for goods shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211297700.2A CN115693099A (en) | 2022-10-22 | 2022-10-22 | Radio frequency antenna module for goods shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115693099A true CN115693099A (en) | 2023-02-03 |
Family
ID=85067512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211297700.2A Pending CN115693099A (en) | 2022-10-22 | 2022-10-22 | Radio frequency antenna module for goods shelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115693099A (en) |
-
2022
- 2022-10-22 CN CN202211297700.2A patent/CN115693099A/en active Pending
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