CN216358000U

CN216358000U - Wireless signal shielding equipment

Info

Publication number: CN216358000U
Application number: CN202121835273.XU
Authority: CN
Inventors: 高梦雨
Original assignee: Dongguan Helong Machinery Co ltd
Current assignee: Dongguan Helong Machinery Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-04-19
Anticipated expiration: 2031-08-07

Abstract

The utility model relates to the technical field of shielding box bodies, in particular to a wireless signal shielding device which comprises a shielding box body, the front end of the shielding box body is connected with a control panel through screws, a plurality of first USB ports are embedded in the front end of the control panel, the shielding box body is provided with a left end and a right end, a partition board is inserted between the left end and the right end, an inner box body is arranged in the shielding box body and in front of the partition board, a plurality of circuit board boxes are arranged in the inner box body, different circuit boards are arranged on the mounting frames in the circuit board boxes to be separated, connecting the circuit board wire with the thin metal strip, pushing the circuit board box into the inner box body and sealing with the plug strip to make the thin metal strip contact with the thick metal strip for connection, the circuit board box prevents a plurality of circuit boards from interfering with each other, and the problem that the accuracy of data is influenced due to the fact that electromagnetic interference is generated inside the existing wireless signal shielding equipment is solved.

Description

Wireless signal shielding equipment

Technical Field

The utility model relates to the technical field of shielding boxes, in particular to wireless signal shielding equipment.

Background

The shielding box is a metal body which is made of conductive or magnetic conductive materials and has various shapes, limits the electromagnetic capacity in a certain space range and is used for inhibiting radiation interference. And the conduction and the radiation are processed to realize the equipment for providing an interference-free testing environment for the tested wireless communication equipment. During the use, need place the equipment that treats the shielding in the shielding box, make equipment and external radio signal isolated temporarily, couple together equipment and shielding box through the data line, the outside data exchange's of rethread shielding box port communicates. It is commonly used in judicial agencies to extract electronic evidence of cases involved in devices and research personnel to perform radio wave interference tests on the researched devices.

First, sometimes a plurality of shielded devices need to be placed in the wireless signal shielding box, and a circuit inside the device generates an electromagnetic field in the working process, so that electromagnetic interference is generated and interference electromagnetic waves are emitted, but the interference among the plurality of shielded devices causes errors of data transmitted by a data line; second, different work circuit boards may be installed in different wireless signal shielding boxes, but electromagnetic waves may be generated between each work circuit board to interfere with each other, so that data transmitted by the data line is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a wireless signal shielding device which has the advantages of preventing mutual interference among internal circuit boards, preventing mutual interference among a plurality of shielded devices and the like, and solves the problem that the data accuracy is influenced due to electromagnetic interference generated in the conventional wireless signal shielding device.

(II) technical scheme

In order to achieve the purposes of preventing mutual interference among internal circuit boards, preventing mutual interference among a plurality of shielded devices and the like, the utility model provides the following technical scheme: a wireless signal shielding device comprises a shielding box body, wherein the front end of the shielding box body is connected with a control panel through screws, the front end of the control panel is inlaid with a plurality of first USB ports, a partition board is inserted between the left end and the right end inside the shielding box body, an inner box body is arranged inside the shielding box body and positioned in front of the partition board, a plurality of circuit board boxes are arranged inside the inner box body, layered boards are fixed at the front end, the rear end, the left end and the right end inside the inner box body and positioned between the circuit board boxes, the layered boards are distributed up and down, plug strips are inlaid at the front end of the inner box body and positioned between the layered boards, the tail end of each plug strip extends into the inner box body, a plurality of thick metal strips are inlaid at the rear end of the inner box body and positioned between the layered boards, and the tail end of each thick metal strip extends into the inner box body, a plurality of thin metal strips are embedded at the rear end of each circuit board box, the thin metal strips are in contact with the thick metal strips, a magnetic block is fixed at the lower end of the inner box body, a metal block is fixed at the bottom end inside the shielding box body and in front of the isolation plate, and the metal block is in contact with the magnetic block; the utility model discloses a shielding box, including shielding box body, baffle, lid, sealing washer, lid downside and lie in the square top and open there is the opening, the opening inboard lies in the square top and has the side cap through hinge connection.

Further advantage, the upper end of the inner box body is connected with two portable handles through screws.

Further advantage, every circuit board box upper end all is connected with the visor through the screw, every circuit board box inside bottom all is fixed with the mounting bracket.

Further advantage, the sealing washer contacts with shielding box body upper end.

Further advantageously, the first USB port and the second USB port are electrically connected to the thick metal strip through a shielding cable.

Further advantage, lid body inboard upper portion both corners department is fixed with shielding box body top front end both corners department through the bolt.

(III) advantageous effects

Compared with the prior art, the utility model provides a wireless signal shielding device, which has the following beneficial effects: firstly, different circuit boards are arranged on mounting frames in a plurality of circuit board boxes to be separated, circuit board wires are connected with thin metal strips, the circuit board boxes are pushed into an inner box body and sealed by plug strips, the thin metal strips are contacted with thick metal strips to be connected, and a single circuit board is arranged in each circuit box and sealed, so that the different circuit boards are separated, the circuit boxes are shielded from each other, electromagnetic interference caused by electric fields generated among the different circuit boards is avoided, errors of transmitted data are reduced, the accuracy of the transmitted data is ensured, and the circuit boards are prevented from being interfered with each other; second, put into the square respectively with every equipment of treating shielding, couple together equipment and second USB port through the data line, cover lid and side cap simultaneously, the sealing washer can make and closely laminate between lid and the shielding box body, the sealing washer can strengthen the sealing performance between lid and the shielding box body, can make the square top cover after the lid is closed, make the inside little check of each of square form sealed space, can separate various equipment and avoid electromagnetic interference of each other through the square, carry out data exchange through first USB port, it only can to open the side cap to take out equipment.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the inner case of the present invention;

fig. 3 is a schematic view of the external structure of the inner case of the present invention.

In the figure: 1-shielding box body, 2-control panel, 3-first USB port, 4-inner box body, 5-portable handle, 6-stopper bar, 7-protective cover, 8-circuit board box, 9-mounting rack, 10-thin metal bar, 11-thick metal bar, 12-metal block, 13-magnetic block, 14-square, 15-second USB port, 16-isolation board, 17-box cover, 18-opening, 19-side cover, 20-sealing ring and 21-layered board.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

In the first embodiment, as shown in fig. 1-3, the utility model discloses a wireless signal shielding device, which comprises a shielding box body 1, wherein the front end of the shielding box body 1 is connected with a control panel 2 through screws, the front end of the control panel 2 is embedded with a plurality of first USB ports 3, a partition plate 16 is inserted between the left end and the right end inside the shielding box body 1, an inner box body 4 is arranged inside the shielding box body 1 and positioned in front of the partition plate 16, a plurality of circuit board boxes 8 are arranged inside the inner box body 4, a layered plate 21 is fixed between the circuit board boxes 8 at the front end, the left end, the right end, the front end, the rear end and the left end inside the inner box body 4, the layered plates 21 are distributed up and down, the plugs 6 are embedded at the front end of the inner box body 4 and positioned between the layered plates 21, the tail end of each plug 6 extends into the inner box body 4, a plurality of thick metal strips 11 are embedded at the rear end of the inner box body 4 and positioned between the layered plates 21, the tail end of each thick metal strip 11 extends into the inner box body 4, a plurality of thin metal strips 10 are inlaid at the rear end of each circuit board box 8, the thin metal strips 10 are in contact with the thick metal strips 11, a magnetic block 13 is fixed at the lower end of each inner box body 4, a metal block 12 is fixed at the bottom end of the inner part of the shielding box body 1 and in front of the partition plate 16, the metal block 12 is in contact with the magnetic block 13, and the inner box body 4 is effectively fixed in the shielding box body 1 through mutual attraction between the metal block 12 and the magnetic block 13;

the upper end of the inner box body 4 is connected with two hand handles 5 through screws, the upper end of each circuit board box 8 is connected with a protective cover 7 through screws, the bottom end inside each circuit board box 8 is fixed with a mounting rack 9, the protective cover 7 is opened, different circuit boards are mounted on the mounting racks 9 in the circuit board boxes 8 through screws, connecting the circuit board lead with the thin metal strip 10, closing the protective cover 7, pushing the circuit board box 8 into the inner box body 4 and plugging the inner box body with the plug strip 6 to make the thin metal strip 10 contact with and connect with the thick metal strip 11, through the isolation between a plurality of circuit board boxes 8, prevent to interfere with each other between the inside circuit board of a plurality of circuit board boxes 8, hold portable handle 5 and can place interior box body 4 in shielding box body 1 fast, metal block 12 attracts and fixes with magnetic path 13, can hold portable handle 5 simultaneously and take out interior box body 4 from shielding box body 1.

In the second embodiment, as shown in fig. 1-3, on the basis of the first embodiment, a plurality of square grids 14 are arranged inside the shielding box body 1 and behind a partition plate 16, a second USB port 15 is embedded in an inner wall of each square grid 14, a box cover 17 is connected to the rear side of the upper end of the shielding box body 1 through a hinge, a sealing ring 20 is embedded in the box cover 17 and above the shielding box body 1, an opening 18 is formed in the lower side of the box cover 17 and above the square grids 14, and a side cover 19 is connected to the inner side of the opening 18 and above the square grids 14 through a hinge;

the sealing ring 20 is contacted with the upper end of the shielding box body 1, the first USB port 3 and the second USB port 15 are both electrically connected with the thick metal strip 11 through a shielding cable, two corners of the inner upper part of the box cover 17 body are fixed with two corners of the front end of the top of the shielding box body 1 through bolts, the box cover 17 is closed, the box cover 17 can be tightly attached to the shielding box body 1 through the sealing ring 20, the side cover 19 is opened, each device to be shielded is respectively placed into the square grids 14, the side cover 19 is closed, the device is connected with the second USB port 15 through a data line, various devices can be separated through the square grids 14 to avoid mutual electromagnetic interference, the data line is inserted through the first USB port 3, the first USB port 3 is communicated with the circuit board on the mounting rack 9 through the shielding cable, the thick metal strip 11 and the thin metal strip 10 in sequence, and as the rear end of the circuit board box 8 is provided with a plurality of thin metal strips 10 to form two groups of structures similar to a wiring terminal, and the rear end of the inner box body 4 is provided with a plurality of thick metal strips 11 in total to form two groups of structures similar to the wiring terminals, each thick metal strip 11 is in one-to-one contact with each thin metal strip 10, one group is used for input and the other group is used for output, the two groups are respectively connected with shielding cables, after the signals are processed by a circuit board in the circuit board box 8, the signals are output through a circuit board output end in the circuit board box 8, the other shielding cable connected with the other group of output thin metal strips 10, the other group of output thick metal strips 11 and the other group of output thick metal strips 11 in sequence is connected to a second USB port 15, the signals are connected with shielded equipment in the square 14 through the second USB port 15, then data exchange can be carried out, and the equipment is taken out only by opening the side cover 19.

The embodiments described above employ: the shielding box comprises a shielding box body 1, a control panel 2, a first USB port 3, an inner box body 4, a portable handle 5, a stopper 6, a protective cover 7, a circuit board box 8, a mounting rack 9, a thin metal strip 10, a thick metal strip 11, a metal block 12, a magnetic block 13, a square 14, a second USB port 15, a separation plate 16, a box cover 17, an opening 18, a side cover 19, a sealing ring 20 and a layering plate 21, and can be obtained through market purchase or private customization.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A wireless signal shielding apparatus includes a shield case body (1), characterized in that: the front end of the shielding box body (1) is connected with a control panel (2) through screws, the front end of the control panel (2) is inlaid with a plurality of first USB ports (3), the left end and the right end inside the shielding box body (1) are inserted with partition boards (16), an inner box body (4) is arranged inside the shielding box body (1) and positioned in front of the partition boards (16), a plurality of circuit board boxes (8) are arranged inside the inner box body (4), four ends of the inner box body (4) are arranged at the front, the back, the left end, the right end, the front end, the left end, the right end, the left end, the right end, the left end, the right end, the left end, the right end, the left, the tail end of each thick metal strip (11) extends into the inner box body (4), a plurality of thin metal strips (10) are inlaid at the rear end of each circuit board box (8), the thin metal strips (10) are in contact with the thick metal strips (11), magnetic blocks (13) are fixed at the lower end of the inner box body (4), metal blocks (12) are fixed at the bottom end of the inner part of the shielding box body (1) and in front of the isolating plate (16), and the metal blocks (12) are in contact with the magnetic blocks (13); shielding box body (1) is inside and be located division board (16) rear and be provided with a plurality of square (14), every square (14) inner wall is all inlayed and is had second USB port (15), shielding box body (1) upper end rear side has lid (17) through hinge connection, lid (17) inboard is located shielding box body (1) top and is inlayed and has sealing washer (20), lid (17) downside is located square (14) top and is opened there is opening (18), opening (18) inboard is located square (14) top and has side cap (19) through hinge connection.

2. A radio signal shielding device according to claim 1, wherein: the upper end of the inner box body (4) is connected with two portable handles (5) through screws.

3. A radio signal shielding device according to claim 1, wherein: every circuit board box (8) upper end all is connected with visor (7) through the screw, every circuit board box (8) inside bottom all is fixed with mounting bracket (9).

4. A radio signal shielding device according to claim 1, wherein: the sealing ring (20) is in contact with the upper end of the shielding box body (1).

5. A radio signal shielding device according to claim 1, wherein: the first USB port (3) and the second USB port (15) are electrically connected with the thick metal strip (11) through shielding cables.

6. A radio signal shielding device according to claim 1, wherein: two corners of the upper part of the inner side of the box cover (17) body are fixed with two corners of the front end of the top of the shielding box body (1) through bolts.