CN212064759U

CN212064759U - Shielding box

Info

Publication number: CN212064759U
Application number: CN202020853628.7U
Authority: CN
Inventors: 马长春; 万鹏飞
Original assignee: Hangzhou Yongxie Technology Co ltd
Current assignee: Shanghai Fachen Electronic Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-01
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to the technical field of shielding boxes, and discloses a shielding box, which is characterized by comprising an upper box body and a lower box body, wherein the upper box body is hinged with the lower box body through a stainless steel hinge, one side of the upper box body is hinged with a shielding door through the stainless steel hinge, a power strip and an acrylic plate for placing a test object are arranged in the upper box body, the upper box body and the lower box body adopt an inside-outside full welding process, the problem of shielding performance caused by the existence of gaps between the upper box body and the lower box body is effectively reduced, and go up the box and all adopt double-deck fluting with lower box department of opening and shutting to fill conductive gasket in double-deck fluting, form double-deck shielding, increase shielding performance, close through latched device between shield door and the last box, increased the leakproofness between shield door and the last box, make the test result of the determinand in the last box can reappear relatively easily.

Description

Shielding box

Technical Field

The utility model relates to a shielded cell technical field, more specifically the utility model relates to a shielded cell that says so.

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. The conduction and the radiation are processed to realize equipment for providing an interference-free testing environment for the tested wireless communication equipment;

at present, some existing shielding boxes are poor in shielding performance and easy to be interfered by the outside, so that the test result of an object to be tested is difficult to reproduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a shielded cell for increase shielded cell's shielding property, and make the test result of determinand can reappear.

In order to achieve the above purpose, the utility model provides a following technical scheme: a shielding box comprises an upper box body and a lower box body, wherein the upper box body is hinged with the lower box body through a stainless steel hinge, the upper box body is internally provided with a power strip and an acrylic plate for placing a test object, the upper box body and the lower box body adopt an internal and external full welding process, one side of the upper box body is hinged with a shielding door through a stainless steel hinge, a locking mechanism is arranged between the movable end of the shielding door and the upper box body, the locking mechanism limits the rotation of the shielding door, the top of the lower box body is arranged in an open manner, the bottom of the upper box body is used for sealing the open top of the lower box body, the upper box body and the lower box body are both provided with an interface board and a plurality of ventilation waveguide windows, heat dissipation parts are arranged in the upper box body and the lower box body, the opening and closing positions of the upper box body and the lower box body are both provided with double-layer grooves, and the double-layer grooves are filled with conductive gaskets.

As a further improvement of the utility model, the bottom of the upper box body and the lower box body are fixedly connected with a gas strut hydraulic rod.

As a further improvement, be provided with power filter, net twine filter and radio frequency interface on the interface board, install the WIFI antenna on the radio frequency interface, the WIFI antenna adopts the even crisscross distribution setting in interval, is located go up on the box the WIFI antenna is located go up in the box, be located on the lower box the WIFI antenna is located in the lower box.

As a further improvement of the present invention, the connector is provided with a waveguide tube on the interface board, which is located on the lower box body, on which an HDMI filter is provided.

As a further improvement of the utility model, a computer is arranged in the lower box body.

As a further improvement, the lower box is provided with a computer switch filter, the computer switch filter is electrically connected with the computer.

As a further improvement of the utility model, the lower box body is provided with a plurality of hasps matched with the upper box body.

As a further improvement of the utility model, the two opposite sides of the lower box body are also provided with stainless steel handles.

As a further improvement of the utility model, the locking mechanism comprises two tightening door handles which are symmetrical up and down, and a handle is connected between the tightening door handles.

As a further improvement of the present invention, the heat dissipating portion includes a plurality of fans, the fans correspond to the ventilation waveguide windows one to one.

The utility model has the advantages that: the utility model discloses well upper box and lower box adopt inside and outside full weld technology, effectively reduce the shielding performance problem that leads to because of the existence in last box and lower box gap, and go up the box and all adopt double-deck fluting with lower box department of opening and shutting, and fill conductive gasket in double-deck fluting, form double-deck shielding, increase shielding performance, it is closed through latched device between shield door and the last box, the leakproofness between shield door and the last box has been increased, make the test result of the determinand in the last box can reappear relatively easily.

Drawings

Fig. 1 is a schematic perspective view of the shield door of the present invention when opened;

FIG. 2 is a schematic view of the upper and lower cases of the present invention showing a three-dimensional structure when opened;

FIG. 3 is a top view of the interior of the lower box of the present invention;

fig. 4 is a rear view of the present invention;

fig. 5 is a schematic perspective view of the shield door of the present invention when closed.

Reference numerals: 1. an upper box body; 11. a power strip; 12. acrylic plates; 2. a lower box body; 21. a computer; 22. a computer switching filter; 23. a stainless steel handle; 3. a shield door; 4. a latch mechanism; 41. tightening the door handle; 42. a grip; 5. an interface board; 51. a power supply filter; 52. a network cable filter; 53. a radio frequency interface; 531. a WIFI antenna; 54. a waveguide; 55. an HDMI filter; 6. a ventilation waveguide window; 7. a heat dissipating section; 71. a fan; 8. double-layer grooving; 9. a gas strut hydraulic rod; 10. a hasp is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 5, a shielding box of this embodiment includes an upper box 1 and a lower box 2, the upper box 1 is hinged to the lower box 2 through a stainless steel hinge, a power strip 11 and an acrylic board 12 for placing a test object are disposed in the upper box 1, the upper box 1 and the lower box 2 adopt an inside-outside full-welding process, the full-welding process can effectively reduce the problem of poor shielding performance caused by the existence of a gap between the upper box 1 and the lower box 2, a shielding door 3 is hinged to one side of the upper box 1 through a stainless steel hinge, a locking mechanism 4 is disposed between the movable end of the shielding door 3 and the upper box 1, the locking mechanism 4 limits the rotation of the shielding door 3, the arrangement of the locking mechanism 4 increases the sealing performance between the shielding door 3 and the upper box 1, thereby increasing the shielding performance of the upper box 1, the top of the lower box 2 is open, the bottom of the upper box 1 is used for sealing the top of the lower box 2, go up and all be provided with interface board 5 and a plurality of ventilation waveguide window 6 on box 1 and the lower box 2, upward be equipped with radiating part 7 in box 1 and the lower box 2, radiating part 7 dispels the heat to the inside of last box 1 and lower box 2, go up box 1 and the lower box 2 department of opening and shutting and all set up double-deck fluting 8, double-deck fluting 8 intussuseption conductive liner, double-deck fluting 8 and conductive liner have increased the shielding nature of last box 1 and lower box 2.

Referring to fig. 2, an air-supported hydraulic rod 9 is fixedly connected between the bottom of the upper box 1 and the lower box 2. The air supporting hydraulic rod 9 facilitates opening and closing between the upper box body 1 and the lower box body 2.

Referring to fig. 3 and 4, a power filter 51, a network cable filter 52 and a radio frequency interface 53 are arranged on an interface board 5, a WIFI antenna 531 is installed on the radio frequency interface 53, the WIFI antenna 531 is arranged in an evenly staggered manner at intervals, so that WIFI signals from different WIFI sources can be evenly distributed in the upper box 1 and the lower box 2, the signal strength received by test objects at different positions is approximately the same, the sensitivity of the test objects at the position of a shielding box is reduced, test results are easy to reappear, debugging and testing time is saved, testing efficiency is greatly improved, the WIFI antenna 531 on the upper box 1 is located in the upper box 1, and the WIFI antenna 531 on the lower box 2 is located in the lower box 2. The interface board 5 on the upper case 1 is provided with a waveguide 54, and the interface board 5 on the lower case 2 is provided with an HDMI filter 55. The HDMI filter 55 adopts the design of HDMI drive chip cooperation filtering unit, supports the super clear data display of 4K, can realize the long-distance super clear display of 10 meters between computer 21 host computer and the display screen, can effectually solve the interference in the shielded wire simultaneously, is provided with the computer 21 in the lower box 2. The computer 21 is convenient for remote control and operation, the lower box body 2 is provided with the computer 21 switch filter, the computer 21 switch filter is electrically connected with the computer 21, the lower box body 2 can be started and restarted without being opened due to the arrangement of the computer 21 switch filter, and the HDMI filter 55, the network cable filter 52 and the like are arranged, so that the function of controlling the state of the computer 21 outside the lower box body 2 is realized. The upper box body 1 is internally provided with a double-port USB filter which is used for transmitting data in the computer 21 in the lower box body 2 and the upper box body 1.

Referring to fig. 1, 2 and 5, the lower case 2 is provided with a plurality of buckles 10 which are matched with the upper case 1. The sealing performance between the upper box body 1 and the lower box body 2 is increased.

Referring to fig. 2 and 5, stainless steel handles 23 are further provided at opposite sides of the lower case 2. The stainless steel handle 23 is convenient for manually lifting the lower box body 2.

Referring to fig. 2 and 5, the latch mechanism 4 includes two tightening door handles 41 that are symmetrical up and down, and a grip 42 is connected between the two tightening door handles 41. Tightening the door handle 41 increases the sealability between the screen door 3 and the upper case 1.

Referring to fig. 1 and 2, the heat dissipation unit 7 includes a plurality of fans 71, the fans 71 correspond to the ventilation waveguide windows 6 one by one, and the fans 71 and the ventilation waveguide windows 6 dissipate heat from the inside of the upper case 1 and the lower case 2. The bottom of the lower box body 2 is provided with a plurality of foot pads, which is convenient for placing the lower box body 2.

The working principle is as follows: go up and prop through gas between box 1 and the lower box 2 and prop hydraulic stem 9, can be convenient open and shut, go up box 1 and can do solitary shielded cell, also can seal lower box 2, shield door 3 seals last box 1 through latched device 4, place the determinand and can test on the ya keli board, place computer 21 in the lower box 2, computer 21 switch filter realizes computer 21's start and restart, through HDMI wave filter 55, radio frequency connector and net twine wave filter 52 can let the tester at the state of box 2 external control computer 21 down.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. 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. The utility model provides a shielded cell, includes box (1) and lower box (2), go up box (1) with it articulates through the stainless steel hinge down between box (2), it has shielding door (3) to go up box (1) one side and articulate through the stainless steel hinge, it inserts row (11) and inferior gram force board (12) that are used for placing the test article to be provided with the power in box (1), its characterized in that: the upper box body (1) and the lower box body (2) adopt an inside and outside full welding process, a locking mechanism (4) is arranged between the movable end of the shielding door (3) and the upper box body (1), the locking mechanism (4) limits the rotation of the shielding door (3), the top of the lower box body (2) is arranged in an open manner, the bottom of the upper box body (1) is used for sealing the top of the lower box body (2) in an open manner, an interface board (5) and a plurality of ventilation waveguide windows (6) are arranged on the upper box body (1) and the lower box body (2), a heat dissipation part (7) is arranged in the upper box body (1) and the lower box body (2), a double-layer groove (8) is formed in the opening and closing position of the upper box body (1) and the lower box body (2), and a conductive gasket is filled in the double-layer groove (.

2. A shielding cage according to claim 1, wherein: an air supporting hydraulic rod (9) is fixedly connected between the bottom of the upper box body (1) and the lower box body (2).

3. A shielding cage according to claim 1, wherein: the interface board (5) is provided with a power filter (51), a network cable filter (52) and a radio frequency interface (53), the radio frequency interface (53) is provided with WIFI antennas (531), the WIFI antennas (531) are uniformly distributed in a staggered mode at intervals, the WIFI antennas (531) on the upper box body (1) are located in the upper box body (1), and the WIFI antennas (531) on the lower box body (2) are located in the lower box body (2).

4. A shielding cage according to claim 3, wherein: the interface board (5) on the upper box body (1) is provided with a waveguide tube (54), and the interface board (5) on the lower box body (2) is provided with an HDMI filter (55).

5. A shielding cage according to claim 4, wherein: a computer (21) is arranged in the lower box body (2).

6. A shielding cage according to claim 5, wherein: the lower box body (2) is provided with a computer (21) switch filter, and the computer (21) switch filter is electrically connected with the computer (21).

7. A shielding cage according to claim 1, wherein: the lower box body (2) is provided with a plurality of hasps (10) matched with the upper box body (1).

8. A shielding cage according to claim 7, wherein: and stainless steel handles (23) are arranged on two opposite sides of the lower box body (2).

9. A shielding cage according to claim 1, wherein: the locking mechanism (4) comprises tightening door handles (41) which are symmetrical up and down, and a handle (42) is connected between the two tightening door handles (41).

10. A shielding cage according to claim 1, wherein: the heat dissipation part (7) comprises a plurality of fans (71), and the fans (71) correspond to the ventilation waveguide windows (6) one by one.