CN209435742U - A kind of metallic shield - Google Patents
A kind of metallic shield Download PDFInfo
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- CN209435742U CN209435742U CN201821523986.0U CN201821523986U CN209435742U CN 209435742 U CN209435742 U CN 209435742U CN 201821523986 U CN201821523986 U CN 201821523986U CN 209435742 U CN209435742 U CN 209435742U
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- metallic shield
- cover body
- mesh
- metal cover
- shield according
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Abstract
The utility model relates to a kind of metallic shields, comprising: metal cover body；And multiple mesh in metal cover body are set, the distance between any two points are less than 150mm in the size of the mesh.Metallic shield provided by the embodiment of the utility model is applied in Intelligent cargo cabinet, is plastic material relative to cabin cover board under traditional sales counter, electromagnetic wave leakage can be effectively prevented, to improve the accuracy for cargo of making an inventory, is reduced and is generated order mistake.
Description
Technical field
The utility model relates to Intelligent cargo cabinet technical field, a kind of particularly metallic shield.
Background technique
Science and technology is maked rapid progress, and the quick of Internet of Things is popularized, and people's shopping way quietly changes.Intelligent cargo cabinet is just
In coming into people's lives.Intelligent cargo cabinet occupied area is small, and cost of labor is low, and more humanized.
What Intelligent cargo cabinet mostly used is RFID label tag to carry out business suspended and goods statistics.However, current intelligent goods
Cabin cover board uses plastic material under cabinet, does not have any effect to shielding electromagnetic signal, electromagnetic signal is easy to cause to leak, thus
So that there is mistake in commodity of making an inventory.
Utility model content
For the technical problems in the prior art, the utility model proposes a kind of metallic shields, comprising: metal
Cover；And multiple mesh in metal cover body are set, the distance between any two points are less than in the multiple mesh
150mm。
Metallic shield as described above, distance is in 10-12mm between the mesh and mesh.
Metallic shield as described above, when mesh form is rectangle, Diagonal Dimension is less than 15mm；Alternatively, working as net
When hole is round, round diameter size is less than 15mm；Alternatively, triangle longest edge size is less than when mesh is triangle
15mm。
Metallic shield as described above, the metal cover body includes multiple sides of foreboard and the foreboard edge, described
The multiple side at foreboard and the foreboard edge forms dented space.
Metallic shield as described above, the upside of the metal cover body include top, are provided with electricity on the top
Magnetic sealing strip.
Metallic shield as described above, the metal cover body right side includes the right, is provided with electromagnetism on described the right
Sealing strip.
Metallic shield as described above, the metal cover body include bottom plate, and the bottom plate is vertical with the foreboard to be fixed
Connection.
Multiple openings are arranged on the bottom plate in metallic shield as described above, at least one in the multiple opening is set
There is metal baffle.
Metallic shield as described above, the metal baffle include the flange to bend inwards.
Metallic shield as described above, the bottom plate include that one or more is turned over from the outwardly extending metal of the bottom plate
Side.
Metallic shield provided by the embodiment of the utility model is applied in Intelligent cargo cabinet, relative to machine under traditional sales counter
Hatchway cover is plastic material, and electromagnetic wave leakage can be effectively prevented, to improve the accuracy for cargo of making an inventory, reduces to generate and order
Single mistake.
Detailed description of the invention
In the following, preferred embodiments of the present invention will be described in more detail in conjunction with attached drawing, in which:
Fig. 1 is the metal cover body structural schematic diagram of one embodiment according to the present utility model；
Fig. 2 is the metal cover body and structural diagram of base plate of one embodiment according to the present utility model；And
Fig. 3 is the structural diagram of base plate of one embodiment according to the present utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the following detailed description, the specific embodiment for being used to illustrate the application as the application a part may refer to
Each Figure of description.In the accompanying drawings, similar appended drawing reference describes substantially similar component in different drawings.This Shen
Each specific embodiment please has carried out description detailed enough following, so that having the general of ability domain-dependent knowledge and technology
Logical technical staff can implement the technical solution of the application.It should be appreciated that can also be using other embodiments or to the application
Embodiment carry out structure, logic or electrical property change.
Fig. 1 is the metal cover body structural schematic diagram of one embodiment according to the present utility model.As shown in Figure 1, metal cap
Body 101 is rectangular box structure, and metal cover body 101 is the metal material with certain degree of hardness.101 front surface of metal cover body is uniform
It is distributed mesh 102.Because electromagnetic signal wavelength of the work in 900MHz or so is 300mm or so, in order to effectively shield electromagnetism letter
Number, the size of mesh 102 is less than the half of wavelength, i.e. the size of mesh 102 is less than 150mm, the preferably size of mesh 102
Less than 15mm, the distance between mesh 102 is in 10-12mm.Lower cabin is dispersed with the equipment such as compressor, condenser, evaporator, work
Heat can be generated when making, and can be given equipment ventilation and heat by mesh, be guaranteed that equipment works normally.
By taking mesh 102 is rectangle as an example, as shown in Figure 1, needing to guarantee that rectangle Diagonal Dimension is less than 15mm, then rectangle
Size can be 5.5*11mm, naturally it is also possible to be 5.5*10mm, 5.5*12mm etc.；Alternatively, when mesh 102 is round, circle
Shape diameter dimension is less than 15mm；Or when mesh 102 is triangle, triangle longest edge is less than 15mm.
Fig. 2 is the metal cover body and structural diagram of base plate of one embodiment according to the present utility model.Fig. 2 mainly includes
204 two large divisions of metal cover body 101 and bottom plate.Metal cover body 101 includes dented space 201, upper electromagnetism sealing strip 202, right electricity
Magnetic sealing strip 203.As shown in Fig. 2, multiple sides at foreboard and foreboard edge formation dented space 201, dented space 201 deep 60~
70mm, dented space 201 can accept a part such as compressor, condenser, evaporator, and there are segment spaces, for leading to
Wind heat dissipation.
One embodiment according to the present utility model includes top on the upside of metal cover body 101, is provided with electromagnetism on top
Sealing strip 202.When in conjunction with counter cabinet, upper electromagnetism sealing strip 202 is embedded in counter cabinet upper electromagnetism sealing strip 202,
It avoids making to reveal electromagnetic signal there are gap.
One embodiment according to the present utility model includes the right on the right side of metal cover body 101, is provided with right electromagnetism on the right
Sealing strip 203.When in conjunction with counter cabinet, sealing strip 203 is embedded in counter cabinet sealing strip 203, avoids that there are gaps
So that leakage electromagnetic signal.
One embodiment according to the present utility model includes the left side, not set electromagnetism envelope on the left side on the left of metal cover body 101
Close item.The left side is bonded with counter cabinet, is not needed screw and is fixed, and without aperture, does not need setting electromagnetism sealing strip.
One embodiment according to the present utility model has for being fixed on counter on electromagnetism sealing strip 202, sealing strip 203
The diameter of aperture on cabinet, aperture is respectively less than 15mm.
One embodiment according to the present utility model, metallic shield include bottom plate 204.Bottom plate 204 can pass through clamping
Mode with metal cover body 101 is orthogonal links together.Herein with no restrictions, it is also possible to other connection types.
Fig. 3 is the structural diagram of base plate of one embodiment according to the present utility model.Multiple openings are set on bottom plate, it is more
At least one in a opening is equipped with metal baffle.It is used to fix as shown in figure 3, being provided with symmetrical two rectangles 301 on bottom plate
Equipment.Electromagnetic wave leakage protrudes baffle 302 in rectangle side in order to prevent, can be to avoid there are gaps.
One embodiment according to the present utility model, as shown in figure 3, baffle 302 includes a flange to bend inwards
305.Flange 305 can be with reception device, while preventing electromagnetic wave leakage.
One embodiment according to the present utility model, bottom plate include that one or more is turned over from the outwardly extending metal of bottom plate
Side.As shown in figure 3, there are rear metal flange 303, preceding metal flange 304 in bottom plate front and rear sides respectively.Metal flange 303 will be with afterwards
Counter cabinet is fixed together, and metal flange is parallel with counter cabinet to be bonded, and prevents from leaving gap.
One embodiment according to the present utility model, as shown in figure 3, having on bottom plate not of uniform size and variform small
Hole, equipment of these apertures by being used to be fixed on bottom plate.In order to guarantee not have electromagnetic wave leakage, the full-size of aperture is equal
Less than 15mm.
Above-described embodiment is only for illustration of the utility model, and is not limitations of the present invention, related technology
The those of ordinary skill in field can also make a variety of changes and modification in the case where not departing from the scope of the utility model, because
This, all equivalent technical solutions also should belong to scope disclosed by the utility model.
Claims (10)
1. a kind of metallic shield characterized by comprising
Metal cover body；
And multiple mesh in metal cover body are set, the distance between any two points are less than 150mm in the mesh.
2. metallic shield according to claim 1, which is characterized in that distance is in 10- between the mesh and mesh
12mm。
3. metallic shield according to claim 1, which is characterized in that the mesh is set as following any mode:
Mesh form is rectangle, and Diagonal Dimension is less than 15mm；
Alternatively, mesh form is circle, round diameter size is less than 15mm；
Alternatively, mesh form is triangle, triangle longest edge size is less than 15mm.
4. metallic shield according to claim 1, which is characterized in that the metal cover body includes foreboard and the foreboard
The multiple side at multiple sides at edge, the foreboard and the foreboard edge forms dented space.
5. metallic shield according to claim 4, which is characterized in that the upside of the metal cover body includes top,
Electromagnetism sealing strip is provided on the top.
6. metallic shield according to claim 4, which is characterized in that include the right, institute on the right side of the metal cover body
It states and is provided with electromagnetism sealing strip on the right.
7. metallic shield according to claim 4, which is characterized in that the metal cover body includes bottom plate, the bottom plate
It is vertical with the metal cover body to connect.
8. metallic shield according to claim 7, which is characterized in that multiple openings are set on the bottom plate, it is described more
At least one in a opening is equipped with metal baffle.
9. metallic shield according to claim 8, which is characterized in that the metal baffle includes one and bends inwards
Flange.
10. metallic shield according to claim 7, which is characterized in that the bottom plate includes one or more from described
The outwardly extending metal flange of bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523986.0U CN209435742U (en) | 2018-09-18 | 2018-09-18 | A kind of metallic shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523986.0U CN209435742U (en) | 2018-09-18 | 2018-09-18 | A kind of metallic shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209435742U true CN209435742U (en) | 2019-09-24 |
Family
ID=68006841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821523986.0U Active CN209435742U (en) | 2018-09-18 | 2018-09-18 | A kind of metallic shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209435742U (en) |
-
2018
- 2018-09-18 CN CN201821523986.0U patent/CN209435742U/en active Active
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