CN211557867U

CN211557867U - Shielding cabinet

Info

Publication number: CN211557867U
Application number: CN202020143048.9U
Authority: CN
Inventors: 曹宝华
Original assignee: NANJING JIEXI TECHNOLOGY CO LTD
Current assignee: NANJING JIEXI TECHNOLOGY CO LTD
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-09-22
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a shielding cabinet, including box, first shield door and first stand, the box is equipped with the opening, first shield door with the box is connected in order to shield or show the opening, first stand is located the inside of box, first stand can the inside removal of box is in order to adjust first stand with distance between the first shield door. The utility model discloses effectively solved the problem of the size of the piece that awaits measuring and the not adaptation of shielding cabinet inner space.

Description

Shielding cabinet

Technical Field

The utility model relates to a and shielding case technical field especially relates to a shielding rack.

Background

Nowadays, mobile communication is continuously upgraded, a commercial system covers 2G to 5G, and for switching of multiple cells in the same system or switching among multiple systems, a research and development department of a main equipment manufacturer needs to perform a large amount of tests. In such a test, a research and development department of a main equipment provider often needs to distribute a large number of RRUs (remote radio units) and other testing instruments and devices in a laboratory.

For the conventional base stations from 2G to 4G, because the number of antenna ports is small and the power of a single port is large, a Radio frequency cable, generally an N-type connector or an L29 connector, is used for connecting an RRU (Remote Radio Unit) and an antenna, and in a laboratory, the RRU can be directly connected with other test instruments and equipment by using the cable, and the connection signal is not easy to leak.

For the 5G new base station, since a Massive MIMO (Massive Multiple-Input-Multiple-Output) antenna technology is adopted, the number of antenna ports increases to 64 or even 128 ports, and a radio frequency cable cannot be used for connection, an SMP fast-plug connector is adopted. In a laboratory, an adapter and a cable are needed to connect an RU (Remote Unit) with other testing instruments and equipment, and since SMP is a quick-plug interface, the connection is not tight and signal leakage is easily caused, which causes interference to other testing equipment in the laboratory. Therefore, it is necessary to place the 5G base station RU (Remote Unit) and other testing instruments and equipment in a shielded cabinet to form an independent testing station, so as to reduce mutual interference. However, different base stations have different sizes, and therefore the shielding cabinet with fixed internal sizes cannot be adapted to test, and the internal space of the shielding cabinet cannot be effectively utilized due to the large reserved space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shielding cabinet, the problem of effective solution is because surveyed the different technical problem that cause the shielding cabinet space can not obtain rational utilization of base station size.

In order to solve the problem, the embodiment of the utility model provides a shielding cabinet, including box, first shield door and first stand, the box is equipped with the opening, first shield door with the box is connected in order to shield or show the opening, first stand is located the inside of box, first stand can the box is inside to be removed in order to adjust first stand with distance between the first shield door.

Further, the box still is equipped with the curb plate, the curb plate with first shield door is connected, the shielding rack still is equipped with horizontal muscle, horizontal muscle is on a parallel with the curb plate sets up, first stand with horizontal muscle is connected.

Further, be provided with a plurality of fixed orificess on the horizontal muscle, first stand pass through the fixed orifices with horizontal muscle is connected.

Furthermore, a sliding groove connected with the first upright post is formed in the transverse rib, and the first upright post slides along the sliding groove.

Further, the first stand is provided with a pulley, and the first stand slides along the sliding groove through the pulley.

Further, the lateral plates comprise a first lateral plate and a second lateral plate, the first lateral plate and the second lateral plate are respectively connected with the first shielding door, and the first lateral plate and the second lateral plate are both provided with the transverse ribs.

Further, the box still includes the bottom plate, the shielding rack still includes being close to the pull tray subassembly that the bottom plate set up, the pull tray subassembly includes pull tray and slide rail, the pull tray parallel with the bottom plate.

Further, be equipped with first fixed part on the first stand, the shielding rack is still including putting thing tray assembly, put thing tray assembly and include a plurality of second stands and put the thing tray, the second stand is equipped with the second fixed part, first fixed part with the second fixed part all is used for fixing put the thing tray.

Furthermore, the first upright column is arranged at one end, close to the bottom plate, of the box body, and the second upright column is arranged at one end, far away from the bottom plate, of the box body.

Furthermore, the box body further comprises a third side plate and a waveguide window, the third side plate is parallel to the first shielding door, the waveguide window comprises a first waveguide window and a second waveguide window, the first waveguide window is provided with one side, close to the bottom plate, of the third side plate, and the second waveguide window is arranged at the top of the box body.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses first stand can follow the bottom plate and remove in order to adjust the distance between first stand and the first shield door, and the shielding rack is when using, and the piece that awaits measuring holds the space between first stand and the first shield door, the utility model discloses well distance between first stand and the first shield door can the adaptation size of the piece that awaits measuring be adjusted for the shielding cabinet has suitable space to hold the piece that awaits measuring, has solved the problem of the piece size that awaits measuring and the not adaptation of shielding cabinet inner space, makes shielding cabinet inner space can obtain rational utilization.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a shielding cabinet according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a shielding cabinet according to an embodiment of the present invention.

Fig. 3 is an exploded schematic view of a shielding cabinet according to another embodiment of the present invention.

Wherein the reference numerals in the figures correspond to: 1-cabinet, 2-first column, 21-first fixed part, 3-first screen door, 31-first folded part, 4-bottom plate, 5-side plate, 51-first side plate, 52-second side plate, 53-third side plate, 6-transverse bar, 61-fixed hole, 7-drawing tray component, 71-drawing tray, 72-sliding rail, 8-placing tray component, 81-second column, 82-placing tray, 811-second fixed part, 91-first waveguide window, 92-second waveguide window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the following description, for clarity and conciseness of description, not all of the various components shown in the figures have been described, which show the various components to provide a fully enabling disclosure of the present invention to those of ordinary skill in the art. The operation of many of the components is familiar and obvious to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more of those features, in the description of the invention "plurality" means two or more unless specifically defined otherwise.

In this embodiment, a shielding cabinet is provided, as shown in fig. 1 and 2, including a box 1, a first shielding door 3 and a first upright post 2, the box is provided with an opening, the first shielding door 3 is connected with the box 1 to shield or expose the opening, the first upright post 2 is provided inside the box 1, the first upright post 2 can move inside the box 1 to adjust a distance between the first upright post 2 and the first shielding door 3.

During the use, the space that awaits measuring the piece and hold between first stand and first shield door, because the distance between first stand and the first shield door can the size of adaptation piece that awaits measuring be adjusted for the shielding cabinet has suitable space to hold the piece that awaits measuring, has solved the problem that the piece size that awaits measuring and shielding cabinet inner space do not adapt, makes shielding cabinet inner space can obtain rational utilization.

The utility model provides a shielding rack still includes wave filter, fiber waveguide, radio frequency adapter, ground connection and rotation truckle isotructure to realize corresponding function.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the first shielding door 3 and the opening-fitted position are provided with the first bending portion 31, the opening position is provided with the second bending portion, the first bending portion 31 and the surface of the second bending portion are attached to each other, so that the reflection path of the electromagnetic signal is increased, and the attenuation of the electromagnetic signal is achieved in the reflection process through the first bending portion 31 and the second bending portion. The first bending portion 31 comprises at least two bending units, so that the reflection path of the electromagnetic signal is increased, and the electromagnetic shielding function of the shielding cabinet is improved.

In the embodiment of the present invention, as shown in fig. 1 and 2, the surfaces of the first bending portion 31 and the second bending portion are provided with a first shielding layer. The first shielding layer can be conductive foam or other materials with shielding function.

The embodiment of the utility model provides an in, the shielding rack still sets up the fixed bolster, and the fixed bolster is used for connecting ground and box 1, and the bottom of box 1 is located to the fixed bolster, the fixed bolster with the connection can be dismantled to the box, through being connected box 1 with ground, has increased the stability of shielding rack.

In the embodiment of the present invention, as shown in fig. 1 and 2, the box body 1 is further provided with a side plate 5, the side plate 5 is connected to the first shielding door 3, the shielding cabinet is further provided with a transverse rib 6, the transverse rib 6 is parallel to the side plate 5, specifically, the transverse rib 6 can be arranged on the surface of the side plate 5, and can also be arranged on the plane parallel to the side plate 5. First stand 2 with horizontal muscle 6 is connected, first stand 2 with the connection of horizontal muscle 6 is for dismantling the connection, in order to satisfy first stand 2 with the hookup location of horizontal muscle 6 changes, and then adjusts first stand 2 with distance between the first shield door 3.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, a plurality of fixing holes 61 are provided on the horizontal rib 6, the first column 2 passes through the fixing holes 61 and the horizontal rib 6 are connected, and by changing the fixing holes 61 connected with the first column 2, the change of the connecting position of the horizontal rib 6 and the first column 2 can be realized, and further the distance between the first column 2 and the first shield door 3 is changed, specifically, the first column 2 is connected with the horizontal rib 6 through the bolt inserted into the fixing holes 61.

The embodiment of the utility model provides an in, be provided with on the horizontal muscle 6 with the spout that first stand 2 is connected, first stand 2 is followed the spout slides, conveniently adjusts the position of first stand 2.

The embodiment of the utility model provides an in, first stand 2 is equipped with the pulley, first stand 2 passes through the pulley edge the spout slides, the pulley has self-locking function, has reduced first stand 2 with frictional force between the spout makes the position of first stand 2 removes more conveniently.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the side plate 5 includes a first side plate 51 and a second side plate 52, the first side plate 51 and the second side plate 52 are respectively connected to the first shield door 3, the first side plate 51 and the second side plate 52 are both provided with the transverse rib 6, accordingly, the first column 2 can be set to two, and respectively cooperate with the transverse rib 6 provided on the first side plate 51 and the second side plate 52, so as to increase the structural stability.

In the embodiment of the utility model, as shown in fig. 1 and fig. 2, box 1 still includes bottom plate 4, the shielding rack is still including being close to the pull tray subassembly 7 that bottom plate 4 set up, pull tray subassembly 7 includes pull tray 71 and slide rail 72, pull tray 71 parallel with bottom plate 4, during the use, will pull tray 71 is pulled out along slide rail 72, puts into and pushes into behind the piece that awaits measuring in box 1, convenient operation.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the first fixing portion 21 is disposed on the first column 2, the shielding cabinet further includes a tray assembly 8, the tray assembly 8 includes a plurality of second columns 81 and a tray 82, and the tray 82 is used for accommodating a testing device. The second upright 81 is provided with a second fixing portion 811, and the first fixing portion 21 and the second fixing portion 811 are both used for fixing the storage tray 82. Specifically, the first fixing portion 21 and the second fixing portion 811 may be a connecting member, such as a bolt, a rivet, or the like. The arrangement is favorable for fully utilizing the space of the shielding cabinet, and the practicability of the shielding cabinet is improved.

In the embodiment of the present invention, as shown in fig. 3, the first upright 2 is disposed at one end of the box 1 close to the bottom plate 4, and the second upright 81 is disposed at one end of the box 1 away from the bottom plate 4. Because the piece to be measured is positioned at one end of the box body 1 close to the bottom plate 4, the first upright post 2 is arranged at one end of the box body 1 close to the bottom plate 4, the distance between the first upright post 2 and the first shielding door can be conveniently adjusted, so that the arrangement position of the first upright post 2 can meet the space adjustment requirement when accommodating base stations with different sizes, the second upright column 81 is arranged at one end of the box body 1 far away from the bottom plate 4, so that the second upright column 81 can be used for automatically arranging the object placing tray 82 according to needs, the space above the object to be measured can be fully utilized, without being limited by the position of the first upright 2, preferably, the second upright 81 is disposed at a position close to the first shielding door 3, so that a larger-sized storage tray 82 can be conveniently disposed at one end far away from the bottom plate 4 as required. In a specific embodiment, the first upright column 2 and the second upright column 81 are both perpendicular to the bottom plate 4, and according to a use requirement, the first upright column 2 and the second upright column 81 may be disposed on a surface of the side wall, or may not be disposed in close contact with the side wall.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the box body 1 further includes a third side plate 5 and a waveguide window, and a fan may be disposed near the waveguide window to increase the efficiency of air flow. In an embodiment, the third side plate 5 may be configured as a second shielding door, and the second shielding door may be used to conveniently set the equipment on the storage tray 82, thereby facilitating the operation. The third side plate 53 is parallel to the first shielded door 3, the waveguide window comprises a first waveguide window 91 and a second waveguide window 92, the first waveguide window 91 is provided with one side of the third side plate 53 close to the bottom plate 4, the second waveguide window 92 is arranged at the top of the box body 1, and different positions of the first waveguide window 91 and the second waveguide window 92 enable the inside of the box body 1 to form an air flow channel, so that heat dissipation of equipment in the box body is facilitated. In one embodiment, the second waveguide window 92 is disposed above the dut to facilitate air flow to remove heat generated by the dut.

The above disclosure is only illustrative of the preferred embodiments of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a shielding cabinet, its characterized in that, includes box (1), first shield door (3) and first stand (2), the box is equipped with the opening, first shield door (3) with box (1) is connected in order to shield or show the opening, first stand (2) are located the inside of box (1), first stand (2) can box (1) inside removal is in order to adjust first stand (2) with distance between first shield door (3).

2. Shielding cabinet according to claim 1, wherein the cabinet (1) is further provided with a side plate (5), the side plate (5) is connected with the first shielding door (3), the shielding cabinet is further provided with a transverse rib (6), the transverse rib (6) is arranged in parallel with the side plate (5), and the first upright (2) is connected with the transverse rib (6).

3. Shielding cabinet according to claim 2, characterized in that the transverse rib (6) is provided with a plurality of fixing holes (61), and the first upright (2) is connected with the transverse rib (6) through the fixing holes (61).

4. Shielding cabinet according to claim 2, characterized in that the transverse rib (6) is provided with a sliding groove connected with the first upright (2), along which the first upright (2) slides.

5. Shielding cabinet according to claim 4, wherein the first upright (2) is provided with a pulley, by means of which the first upright (2) slides along the sliding groove.

6. Shielding cabinet according to claim 2, wherein the side panels (5) comprise a first side panel (51) and a second side panel (52), the first side panel (51) and the second side panel (52) are respectively connected with the first shielding door (3), and the first side panel (51) and the second side panel (52) are both provided with the transverse rib (6).

7. Shielding cabinet according to claim 1, wherein the cabinet (1) further comprises a bottom plate (4), the shielding cabinet further comprising a drawing tray assembly (7) arranged close to the bottom plate (4), the drawing tray assembly (7) comprising a drawing tray (71) and a sliding rail (72), the drawing tray (71) being parallel to the bottom plate (4).

8. The shielding cabinet according to claim 7, wherein a first fixing portion (21) is provided on the first upright (2), the shielding cabinet further comprises a tray assembly (8), the tray assembly (8) comprises a plurality of second uprights (81) and a tray (82), the second uprights (81) are provided with second fixing portions (811), and the first fixing portion (21) and the second fixing portions (811) are both used for fixing the tray (82).

9. Shielding cabinet according to claim 8, wherein the first upright (2) is provided at an end of the cabinet (1) close to the bottom plate (4), and the second upright (81) is provided at an end of the cabinet (1) remote from the bottom plate (4).

10. Shielding cabinet according to claim 7, wherein the cabinet (1) further comprises a third side plate (5) and a waveguide window, the third side plate (53) being parallel to the first shielding door (3), the waveguide window comprising a first waveguide window (91) and a second waveguide window (92), the first waveguide window (91) being provided with a side of the third side plate (53) near the bottom plate (4), the second waveguide window (92) being provided at the top of the cabinet (1).