CN111990798B - Storage device - Google Patents

Abstract

The invention discloses a storage device, which is suitable for storing a plurality of objects, and each object includes a wireless identification tag. The storage device includes a device casing, a plurality of layered racks and a plurality of reading antenna modules. The layered racks are arranged in the device casing, and a plurality of storage spaces are partitioned in layers in the device casing, wherein at least part of the storage spaces are stacked on each other. The reading antenna modules are respectively disposed in the storage spaces and are suitable for reading the wireless identification tags of the objects.

Description

Storage device

technical field

The present invention relates to a storage device, in particular to a storage device with a reading antenna module.

Background technique

Radio frequency identification (RFID) technology is widely used in warehouse management. In the prior art, there are a plurality of tiered shelves in the storage device, and a plurality of objects are placed on the tiered shelves, and each object includes a wireless identification tag. Since the objects are closely arranged, the reading antenna module in the storage device cannot accurately read the wireless identification tags of each object.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides a storage device to solve the problem of the prior art, which is suitable for storing a plurality of objects, and each object includes a wireless identification tag. The storage device includes a device casing, a plurality of layered racks and a plurality of reading antenna modules. The tiered racks are arranged in the device casing, and a plurality of storage spaces are divided into layers in the device casing, wherein at least part of the storage spaces are stacked on each other. The reading antenna modules are respectively disposed in the storage spaces and are suitable for reading the wireless identification tags of the objects.

In one embodiment, the device housing includes an inner side wall and an opening, the inner side wall includes a first wall, a second wall and a third wall, the first wall and the third wall are opposite to each other, the The second wall faces the opening, and the reading antenna modules are arranged on the inner side wall.

In one embodiment, the layered racks include a first rack, the storage spaces include a first storage space, the first rack defines the first storage space, and the reading antenna modules include a first storage space. a reading antenna module, the first reading antenna module is located in the first receiving space, and the first reading antenna module is arranged on the first wall.

In one embodiment, the first reading antenna module is only located in the first receiving space, the first reading antenna module is only disposed on the first wall, and the layered shelves include a second layered shelf , the storage spaces include a second storage space, the first shelf and the second shelf define the second storage space, the reading antenna modules include a second reading antenna module, the second reading The antenna module is only located in the second receiving space, and the second reading antenna module is only arranged on the second wall.

In one embodiment, the tiered shelves include a third shelf, the storage spaces include a third storage space, the second shelf and the third shelf define the third storage space, the readings The antenna taking module includes a third reading antenna module, the third reading antenna module is only located in the third storage space, and the third reading antenna module is only arranged on the third wall.

In one embodiment, the first reading antenna module is disposed on the first wall and the second wall.

In one embodiment, the first reading antenna module is only located in the first receiving space, the first reading antenna module is only disposed on the first wall and the second wall, and the layered racks include: a second shelf, the storage spaces include a second storage space, the first shelf and the second shelf define the second storage space, the reading antenna modules include a second reading antenna module, The second reading antenna module is only located in the second receiving space, and the second reading antenna module is only disposed on the second wall and the third wall.

In one embodiment, the first reading antenna module is disposed on the first wall, the second wall and the third wall.

In one embodiment, the first reading antenna module is only located in the first storage space, the shelves include a second storage space, the storage spaces include a second storage space, the first storage space and the second shelf defines the second storage space, the reading antenna modules include a second reading antenna module, the second reading antenna module is only located in the second storage space, the second reading antenna module The antenna module is arranged on the first wall, the second wall and the third wall, and on a first projection plane parallel to the layered frames, the first reading antenna module does not partially overlap the second A reading antenna module, the second reading antenna module part does not overlap with the first reading antenna module.

In one embodiment, each of the reading antenna modules includes a plurality of radiators, the first reading antenna module includes a first radiator, a second radiator and a third radiator, the first radiator Located on the first wall, the second radiator is located on the second wall, the third radiator is located on the third wall, on a second projection plane parallel to the first wall and the third wall, the first A radiator is misaligned with the third radiator.

In one embodiment, the distance between the first radiator and the third radiator is less than three meters (meters).

In one embodiment, the first reading antenna module includes a first curved segment portion and a second curved segment portion, the first curved segment portion faces a first direction, and the second curved segment portion faces a second curved segment portion. The first direction is opposite to the second direction, and the second curved section is located between the first curved section and the first shelf in a vertical direction.

In one embodiment, the first curved section includes a crest point, the second curved section includes a trough, and there is a first distance in the vertical direction between the trough and the first shelf. , there is a second distance in the vertical direction between the wave crest point and the wave trough point, and the ratio between the first distance and the second distance ranges from 0.065 to 35.

In one embodiment, the first curved segment has a first radius of curvature and a first center of curvature, and there is a third distance in the vertical direction between the first center of curvature and the first shelf, The ratio of the third distance to the first radius of curvature ranges from 0.4 to 625.

In one embodiment, the storage device further includes a glass door, the glass door is pivotally connected to the device casing and is suitable for closing the opening, the device casing is made of metal, and the glass door includes a metal material.

In one embodiment, a gap exists between each reading antenna module and the inner side wall, and the gap is between 3.5 cm and 4.5 cm.

In one embodiment, the receiving device further includes at least one dielectric material, and the dielectric material is disposed between one of the reading antenna modules and the inner sidewall, and the dielectric constant of the dielectric material is between 0.76 and 0.76. between 1.35.

In the embodiment of the present invention, since a reading antenna module is provided in the storage space of each layer to read the wireless identification tags of the objects, the reading rate can be improved.

Description of drawings

1A is a perspective view of a storage device according to a first embodiment of the present invention;

1B is a schematic diagram of the glass door according to the first embodiment of the present invention;

2A is a front view of the storage device according to the first embodiment of the present invention;

2B is a schematic diagram of a detailed structure of the storage device according to the first embodiment of the present invention;

3 is a schematic structural diagram of the first embodiment of the present invention on a first projection plane;

4 is a schematic structural diagram of the first embodiment of the present invention on a second projection plane;

5 is a schematic diagram of the detailed structure of the reading antenna module of the present invention;

6A is a schematic diagram of a storage device according to a second embodiment of the present invention;

6B is a schematic diagram of a storage device according to the third embodiment of the present invention.

Symbol Description

D1, D2, D3 ~ storage device

1～Device housing

11～Inner side wall

111～First Wall

112～Second Wall

113～The third wall

2～Layered shelf

21～The first shelf

22～Second shelf

23～Third shelf

3, 3', 3" ~ read antenna module

31, 31', 31" ~ the first reading antenna module

311～First Radiator

312～Second Radiator

313～Third Radiator

314～The first bending section

314A～Crest Point

314B～first center of curvature

315～Second bending section

315A～trough point

32, 32', 32"～Second reading antenna module

33, 33'～the third reading antenna module

4～Storage space

41～The first storage space

42～Second storage space

43～The third storage space

5～Conductive material

9～Glass door

P1～the first projection surface

P2～Second projection surface

Z1～the first direction

Z2～Second direction

V～vertical direction

d1～the first distance

d2～Second distance

d3～third distance

r～first radius of curvature

g ~ gap

Detailed ways

Referring to FIG. 1A , it shows a perspective view of a storage device D1 according to a first embodiment of the present invention, which is suitable for storing a plurality of objects (not shown), and each object (not shown) includes a wireless identification tag (not shown). The storage device D1 includes a device casing 1 , a plurality of layered racks 2 and a plurality of reading antenna modules 3 . The tiered racks 2 are disposed in the device casing 1, and a plurality of storage spaces 4 are partitioned in layers within the device casing 1, wherein at least part of the storage spaces 4 are stacked on each other. The reading antenna modules 3 are respectively disposed in the storage spaces 4 and are suitable for reading the wireless identification tags of the objects.

FIG. 2A shows a front view of the storage device D1 according to the first embodiment of the present invention. FIG. 2B shows the detailed structure of the storage device D1 according to the first embodiment of the present invention. Referring to FIGS. 2A and 2B together, in one embodiment, the device casing 1 includes an inner side wall 11 and an opening 12 , and the inner side wall 11 includes a first wall 111 , a second wall 112 and a third wall 113 , the first wall 111 and the third wall 113 are opposite to each other, the second wall 112 faces the opening 12 , and the reading antenna modules 3 are arranged on the inner side wall 11 .

Referring to FIG. 1A , FIG. 2A and FIG. 2B , in one embodiment, the layered racks 2 include a first rack 21 , the storage spaces 4 include a first storage space 41 , and the first rack 21 The first receiving space 41 is defined, and the reading antenna modules 3 include a first reading antenna module 31, the first reading antenna module 31 is located in the first receiving space 41, and the first reading antenna module 31 is located in the first receiving space 41. 31 is provided on the first wall 111 , the second wall 112 and the third wall 113 .

Referring to FIG. 1A , FIG. 2A and FIG. 2B , in this embodiment, the first reading antenna module 31 is only located in the first storage space 41 , and the layered racks 2 include a second layered rack 22 . The storage spaces 4 include a second storage space 42 , the first shelf 21 and the second shelf 22 define the second storage space 42 , and the reading antenna modules 3 include a second reading antenna module 32 , the second reading antenna module 32 is only located in the second receiving space 42 , and the second reading antenna module 32 is disposed on the first wall 111 , the second wall 112 and the third wall 113 .

In the first embodiment of the present invention, since a reading antenna module is provided in the storage space of each layer to read the wireless identification tags of the objects, the reading rate can be improved. In particular, since the antenna modules are disposed on the first wall, the second wall and the third wall to surround the objects in a U-shaped manner, the wireless identification tag further improves the read rate.

In one embodiment, a reading antenna module is arranged in the storage space of each layer, which means that a reading antenna module is arranged in the storage space of each layer, and all the radiators of the reading antenna module are arranged. All are located in the storage space on this floor. In another embodiment, all radiators, conductive lines and feeding points of the read antenna module are located in the storage space of this layer. The above disclosure does not limit the present invention.

In one embodiment, the read rate of the wireless identification tags of the objects in the storage device can reach nearly 100%.

FIG. 3 shows a schematic structural diagram of the first embodiment of the present invention on a first projection plane. Referring to FIG. 3, on the first projection plane P1 parallel to the layered frames, the first reading antenna module 31 does not partially overlap the second reading antenna module 32, and the second reading antenna module part does not overlap 32 does not overlap the first reading antenna module 31 . For the sake of clarity, in FIG. 3 , the first reading antenna module 31 and the second reading antenna module part 32 are shown schematically, and the disclosure does not limit the present invention.

Referring to FIG. 1A , FIG. 2A and FIG. 2B , in one embodiment, each of the reading antenna modules includes a plurality of radiators, and the first reading antenna module 31 includes a first radiator 311 and a second radiator The body 312 and a third radiator 313 , the first radiator 311 is located on the first wall 111 , the second radiator 312 is located on the second wall 112 , and the third radiator 313 is located on the third wall 113 . Referring to FIG. 4 , on a second projection plane P2 parallel to the first wall 111 and the third wall 113 , the first radiator 311 and the third radiator 313 are arranged in a staggered position.

On the first projection plane P1, the first reading antenna module 31 and the second reading antenna module 32 are arranged in a staggered position, which can still provide a good reading effect with a small number of radiators. On the second projection plane P2, the first radiator 311 and the third radiator 313 are arranged in a staggered position, which can further improve the reading rate.

Referring to FIG. 1A , FIG. 2A and FIG. 2B , in one embodiment, the reading antenna modules 3 further include a third reading antenna module 33 , and the position of the third reading antenna module 33 can correspond to the first reading antenna module 33 . Read the antenna module 31 . Or, in another embodiment, the third reading antenna module 33 and the first reading antenna module 31 and the second reading antenna module 32 may be arranged in a staggered position.

Referring to FIG. 2B , in one embodiment, when the power output of the read antenna module is 1 watt (W), the distance between the first radiator 311 and the third radiator 313 is less than three meters.

Referring to FIG. 5 , in one embodiment, the first reading antenna module 31 includes a first curved segment 314 and a second curved segment 315 , the first curved segment faces a first direction Z1 , the first curved segment The two curved sections 315 face a second direction Z2, the first direction is opposite to the second direction, the second curved sections 315 are located between the first curved section 314 and the first shelf in a vertical direction V between 21.

Referring to FIG. 5 , in one embodiment, the first curved segment 314 includes a peak point 314A, the second curved segment 315 includes a valley point 315A, and the valley point 315A and the first shelf 21 are located between There is a first distance d1 in the vertical direction V, there is a second distance d2 between the peak point 314A and the trough point 315A in the vertical direction V, and the difference between the first distance d1 and the second distance d2 The ratio between them ranges from 0.065 to 35. Within this value range, the interference of the layered frame can be reduced to achieve a good reading effect.

Referring to FIG. 5 , in one embodiment, the first curved segment 314 has a first curvature radius r and a first curvature center 314B, and the first curvature center 31B is perpendicular to the first shelf 21 . There is a third distance d3 in the direction, and the ratio of the third distance d3 to the first radius of curvature r ranges from 0.4 to 625. Within this value range, the interference of the layered frame can be reduced to achieve a good reading effect.

Referring to FIG. 1B , in one embodiment, the storage device D1 further includes a glass door 9 , the glass door 9 is pivotally connected to the device casing 1 and is suitable for closing the opening. The device casing 1 is made of metal, and the glass door 9 is made of metal. The glass door 9 contains a metal material, so as to limit the signal reading the antenna module within the storage device D1, in other words, only read the wireless identification tags of the objects in the storage device D1.

Referring to FIG. 2B , in one embodiment, a gap g exists between each reading antenna module 3 and the inner side wall 11 , and the gap g is between 3.5 cm and 4.5 cm. In this embodiment, the receiving device D1 further includes a dielectric material 5, the dielectric material 5 is disposed between the reading antenna module 3 and the inner side wall 11, and the dielectric constant of the dielectric material 5 is between Between 0.76 and 1.35. In one embodiment, the dielectric material 5 is directly attached to the inner sidewall 11 , and the antenna module 3 is directly attached to the surface of the dielectric material 5 . Thereby, the reading effect can be further improved.

In one embodiment, the size of each wireless identification tag is preferably 3cm×1.5cm, so that it can be read smoothly when it is located in the storage device D1, and it can also be prevented from being taken out of the storage device D1. Misreading occurs.

FIG. 6A shows a schematic diagram of a storage device D2 according to a second embodiment of the present invention. Referring to FIG. 6A , in this embodiment, the first reading antenna module 31 ′ is only located in the first storage space 41 . The antenna module 31 ′ is only disposed on the first wall 111 , the layered racks 2 include a second rack 22 , the storage spaces 4 include a second storage space 42 , the first rack 21 and the The second shelf 22 defines the second storage space 42 , the reading antenna modules 3 ′ include a second reading antenna module 32 ′, and the second reading antenna module 32 ′ is only located in the second storage space 42 Among them, the second reading antenna module 32 ′ is only disposed on the second wall 112 .

6A , in this embodiment, the tiered shelves 2 include a third shelf 23 , the storage spaces 4 include a third storage space 43 , the second shelf 22 and the third shelf 23 The third storage space 43 is defined, the reading antenna modules 3 ′ include a third reading antenna module 33 ′, the third reading antenna module 33 ′ is only located in the third storage space 43 , the third reading antenna module 33 ′ The reading antenna module 33 ′ is only disposed on the third wall 113 .

In the storage device D2 of the second embodiment of the present invention, the first reading antenna module 31 ′ can also be used for the wireless identification tags of the objects in the second storage space 42 and the third storage space 43 Provides read functionality. Similarly, the second reading antenna module 32' can also provide a reading function for the wireless identification tags of the objects in the first storage space 41 and the third storage space 43; the third reading antenna The module 33 ′ can also provide a reading function for the wireless identification tags of the objects in the first storage space 41 and the second storage space 42 . Since the first reading antenna module 31 ′, the second reading antenna module 32 ′ and the third reading antenna module 33 ′ are respectively disposed on the first wall 111 , the second wall 112 and the third wall 113, so reading in different directions can still be provided.

Referring to FIG. 6A , in this embodiment, a U-shaped third reading antenna module 34 may also be provided, thereby providing a relatively complete reading effect.

FIG. 6B shows a schematic diagram of the storage device D3 according to the third embodiment of the present invention. Referring to FIG. 6B , in this embodiment, in an embodiment, the first reading antenna module 31 ″ is disposed on the first wall 111 and The second wall 112. In this embodiment, the first reading antenna module 31" is only located in the first receiving space 41, and the first reading antenna module 31" is only disposed on the first wall 111 and the second wall 112, the tiered shelves 2 include a second shelf 22, the storage spaces 4 include a second storage space 42, the first shelf 21 and the second shelf 22 define the first shelf 22 Two storage spaces 42, the reading antenna modules 3" include a second reading antenna module 32", the second reading antenna module 32" is only located in the second storage space 42, the second reading antenna The module 32 ″ is only provided on the second wall 112 and the third wall 113 .

In the storage device D3 of the third embodiment of the present invention, the first reading antenna module 31 ″ can also provide a reading function for the wireless identification tags of the objects in the second storage space 42 . The same , the second reading antenna module 32 ″ can also provide a reading function for the wireless identification tags of the objects in the first storage space 41 . Since the first reading antenna module 31" is disposed on the first wall 111 and the second wall 112, and the second reading antenna module 32" is disposed on the second wall 112 and the third wall 113, Therefore, reading functions in different directions can still be provided.

Although the present invention has been disclosed in conjunction with the above specific preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the art can still make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (10)

1. A storage device adapted to store a plurality of articles, each article including a wireless identification tag, the storage device comprising:

a device housing;

the layered racks are arranged in the device shell and are used for layering and separating a plurality of accommodating spaces in the device shell, wherein at least part of the accommodating spaces are mutually layered; and

a plurality of reading antenna modules, which are respectively and correspondingly arranged in the plurality of accommodating spaces and are suitable for reading the wireless identification tags of the plurality of objects, wherein the device shell comprises an inner side wall and an opening, the inner side wall comprises a first wall, a second wall and a third wall, the first wall and the third wall are opposite to each other, the second wall faces the opening, and the plurality of reading antenna modules are arranged on the inner side wall;

the plurality of layered shelves includes a first layered shelf, the plurality of receiving spaces includes a first receiving space, the first layered shelf defines the first receiving space, the plurality of reading antenna modules includes a first reading antenna module, the first reading antenna module is located in the first receiving space, the first reading antenna module is located on the first wall;

wherein the first read antenna module is disposed on the first wall, the second wall and the third wall;

each reading antenna module comprises a plurality of radiating bodies, each first reading antenna module comprises a first radiating body, a second radiating body and a third radiating body, the first radiating body is located on the first wall, the second radiating body is located on the second wall, the third radiating body is located on the third wall, and the first radiating body and the third radiating body are staggered on a second projection plane parallel to the first wall and the third wall.

2. The receiving device of claim 1, wherein the first reading antenna module is only located in the first receiving space, the plurality of shelves includes a second shelf, the plurality of receiving spaces includes a second receiving space, the first shelf and the second shelf define the second receiving space, the plurality of reading antenna modules includes a second reading antenna module, the second reading antenna module is only located in the second receiving space, the second reading antenna module is disposed on the first wall, the second wall and the third wall, the first reading antenna module does not partially overlap the second reading antenna module on a first projection plane parallel to the plurality of shelves, and the second reading antenna module does not partially overlap the first reading antenna module.

3. The receiving device of claim 2, wherein the plurality of shelves includes a third shelf, the plurality of receiving spaces includes a third receiving space, the second shelf and the third shelf define the third receiving space, the plurality of read antenna modules includes a third read antenna module, the third read antenna module is only located in the third receiving space, the third read antenna module is only located in the third wall.

4. The storage apparatus of claim 1, wherein a distance between the first radiator and the third radiator is less than three meters.

5. The receiving device of claim 1, wherein the first reading antenna module comprises a first curved section and a second curved section, the first curved section faces a first direction, the second curved section faces a second direction, the first direction is opposite to the second direction, and the second curved section is located between the first curved section and the first shelf in a vertical direction.

6. The container of claim 5, wherein the first curved section comprises a peak point, the second curved section comprises a valley point, a first distance exists between the valley point and the first layer and a second distance exists between the peak point and the valley point, and a ratio of the first distance to the second distance is 0.065-0.35.

7. The receiving device of claim 5, wherein the first curved section has a first radius of curvature and a first center of curvature, a third distance exists between the first center of curvature and the first shelf in the vertical direction, and a ratio of the third distance to the first radius of curvature is 0.4-0.625.

8. The storage device of claim 1, further comprising a glass door pivotally connected to the device housing and adapted to close the opening, wherein the device housing is made of metal and the glass door comprises a metal material.

9. The storage device of claim 8, wherein a gap exists between each reading antenna module and the inner sidewall, and the gap is between 3.5 cm and 4.5 cm.

10. The receiving device of claim 9, further comprising at least one dielectric material disposed between one of the read antenna modules and the inner sidewall, the dielectric material having a dielectric constant between 0.76 and 1.35.

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