CN2786922Y

CN2786922Y - Universal shielding cabinet

Info

Publication number: CN2786922Y
Application number: CN 200420054292
Authority: CN
Inventors: 江文兵; 万钧; 张晖
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2004-12-13
Filing date: 2004-12-13
Publication date: 2006-06-07
Anticipated expiration: 2014-12-13

Abstract

The utility model provides a universal shielding cabinet which is used in the field of communication and comprises a machine frame and cabinet doors arranged on the machine frame, wherein the contact point of the cabinet doors and the machine frame and compression joints among the cabinet doors both adopt elastic conducting materials, and the machine frame and the cabinet doors jointly form an enclosed and continuous shield; the machine frame comprises a framework, a spacer plate and also a plurality of socket switching panel, wherein the spacer plate forms a reliable lap joint with the framework, the socket switching panel forms a reliable lap joint with the framework, and a communication cable needs to be switched by a core punching capacitor filter socket arranged on the socket switching panel to come in or go out of the machine frame; a feed through filter is arranged in a filter hut at an upper frame of the machine frame, a filter casing forms a reliable lap joint with the filter hut and the machine frame, and an inlet wire of a power supply is coupled in from the feed through filter at the top of the machine. The utility model has the advantage of good performance of electromagnetic shielding.

Description

A kind of general shielding rack

Technical field

The utility model relates to the general instrument rack of the communications field, relates in particular to the good general shielding rack of a kind of Electro Magnetic Compatibility.

Background technology

Communication apparatus or electronic equipment need the authentication by 3C at home now, and market for example needs the authentication by CE in the European market abroad, all need in the authentication to test by Electromagnetic Compatibility.

Existing communication cabinet if subrack (sub-frame) cascade screen can't be satisfied the EMC requirement of complete machine, then also needs to take rack cascade screen measure.So it is a kind of all reasonable at aspects such as structural design, space layouts how to design, and can satisfy the communication cabinet that EMC requires, just become the industry urgent problem.

The utility model content

The purpose of this utility model provides the good general shielding rack of a kind of Electro Magnetic Compatibility, and must be rational in infrastructure, and cost is moderate.

For achieving the above object, the utility model adopts with technical scheme:

A kind of general shielding rack comprises frame and rack-mounted cabinet door, and the tooled joint between cabinet door and frame contact position and the cabinet door all adopts elastic conducting material, and frame and cabinet door are formed shield sealing, continuous jointly; Frame comprises framework, dividing plate, reliably overlap between dividing plate and the framework, wherein, frame also comprises some socket adapters, reliably overlap between described socket adapter and the framework, communications cable turnover frame all needs be transferred by the feed-through capacitor filter socket that is installed on the socket adapter, makes the shielding properties that can not reduce rack when communications cable turnover frame is arranged; Feed-through filter is contained in the filter hut of frame upper ledge, and filter housing and filter hut and frame reliably overlap, and electric power incoming line slave top feed-through filter inserts, and makes that the interference signal on the power line can not be incorporated in the frame.

Described general shielding rack, wherein, the cabinet door comprises side door, and the side door inboard is provided with the cabling space that satisfies the communication equipment requirement, and the signal cable of going out sidles in side door, promptly connects in the frame outside, thereby can not destroy the conduction continuity of rack.

Described general shielding rack, wherein, when multimachine cabinet and cabinet, be provided with independent cabling chamber between two racks, the frame on cabling chamber and both sides is fixed, and the signal cable of turnover frame is all walked in the cabling chamber and in the rack side door, promptly connect, can not destroy the conduction continuity of rack in the frame outside.

Described general shielding rack wherein, when multimachine cabinet and cabinet, is provided with telescopic shielding cable tray between frame, reliably overlaps with frame, and for line cabling between frame, thus the conduction continuity of assurance rack.

Compared with prior art, the utility model frame is provided with some socket adapters, and communications cable turnover frame all needs to be transferred by the feed-through capacitor filter socket that is installed on the socket adapter, thereby has reached reliable Electro Magnetic Compatibility.

Description of drawings

Fig. 1 is the cabinet style schematic perspective view of single cabinet attitude of the general shielding rack of the utility model;

Fig. 2 is a cabinet style schematic perspective view general shielding rack of the utility model and the cabinet attitude;

Fig. 3 is support body formula (removing left and right door, a side door and cabling chamber door) the schematic perspective view general shielding rack of the utility model and the cabinet attitude;

Fig. 4 is the frame schematic perspective view of the general shielding rack of the utility model;

Fig. 5 is the schematic diagram of the feed-through capacitor filter multi-tap of the general shielding rack of the utility model;

Fig. 6 a is the filter of the general shielding rack of the utility model and the front view of filter hut scheme of installation;

Fig. 6 b is the filter of the general shielding rack of the utility model and the vertical view of filter hut scheme of installation;

Fig. 7 is the cabling chamber schematic diagram of the general shielding rack of the utility model;

Fig. 8 is the door-plate opening schematic diagram in the cabling chamber of the general shielding rack of the utility model;

Fig. 9 is the shielding cable tray structural representation of the general shielding rack of the utility model;

Figure 10 is the shielding cable tray installation site schematic diagram of the general shielding rack of the utility model;

Figure 11 is the outlet method floor map of the general shielding rack of the utility model.

Embodiment

Further describe concrete enforcement of the present utility model below in conjunction with accompanying drawing.

Fig. 1 is the cabinet style schematic perspective view of single cabinet attitude of the general shielding rack of the utility model, comprise: frame 1 and the left-hand door 2, right side door 3, the side door 4 that are installed on the frame 1, all adopt elastic conducting material with the tooled joint between Over-The-Counter door and frame 1 contact position and the cabinet door, common composition shield sealing, continuous.

Fig. 2 is a cabinet style schematic perspective view general shielding rack of the utility model and the cabinet attitude, its structure and single cabinet attitude are roughly identical, difference is: and must dispose cabling chamber 5 during the cabinet attitude, and cabling chamber 5 is installed between two racks, as the passage of cable turnover; In addition, and must dispose shielding cable tray 6 during the cabinet attitude, as the passage of line between frame.

Fig. 3 is a support body formula schematic perspective view general shielding rack of the utility model and the cabinet attitude, and frame 1 outside and 5 inside, cabling chamber are cabling space, and line is by telescopic shielding cable tray 6 turnover between frame.

Fig. 4 is the frame schematic perspective view of general shielding rack, and as shown in the figure, frame 1 comprises: framework 11, left clapboard 12, right clapboard 13 and

socket adapter

14,15,16.Its middle frame 11 by upper and lower frame with about two root posts be formed by connecting, to guarantee frame 1 enough intensity and rigidity are arranged; Between

socket adapter

14,15,16 and left clapboard 12, the right clapboard 13, and all adopt the mode that is spirally connected affixed between left clapboard 12, right clapboard 13 and the framework 11.Go out the communications cable of rack, must transfer by feed-through capacitor filter multi-tap 71, feed-through capacitor filter multi-tap 71 just is mounted on the

socket adapter

14,15,16, reliably overlap by

socket adapter

14,15,16 and frame 1, make when cable turnover rack is arranged, can not reduce the shielding properties of rack; Installing hole on the

socket adapter

14,15,16 is offered according to the form and the quantity of feed-through capacitor filter, and for adapting to different configuration needs, available elastic conduction pressing plate hides perforate redundant on the keyset.

Fig. 5 is the schematic diagram of the feed-through capacitor filter multi-tap 71 of the general shielding rack of the utility model, feed-through capacitor filter multi-tap 71 is by carrying the socket adapter 14 of screw in

frame

1,15, on 16, and reliably overlap (low resistance earthing) with frame 1, outer cable 72, inner cable 73 is used plug 74 with holes respectively, 75 are connected with feed-through capacitor filter multi-tap 71, guarantee frame 1 become one complete, continuous shield, high frequency noise inside and outside the frame is diverted on the housing of feed-through capacitor filter multi-tap 71 by electric capacity, is discharged into the earth by frame 1 again.

Fig. 6 a, Fig. 6 b is the filter and the filter hut scheme of installation of the general shielding rack of the utility model, in the upper ledge 111 of framework 11, a filter hut 17 is installed, filter hut 17 reliably overlaps with frame 1, feed-through filter 18 is contained in the filter hut 17, the shell of feed-through filter 18 and filter hut 17 reliably overlap, power supply lambda line 181 is connected on filter input end (the filter hut outside), power outlet 182 is connected on filter output (filter hut inboard), thereby guarantees that the interference signal on the power line can not be incorporated in the frame 1.

Fig. 7 is cabling chamber 5 schematic diagrames of the general shielding rack of the utility model, and 5 in cabling chamber is used in and the frame state, and is installed between two frames 1 during frame, fixing by the installing that is spirally connected with the frame 1 on both sides, be the passage of cable turnover, cabling chamber 5 is one independently whole, can be used as the annex delivery.Cabling chamber 5 comprises: upper side frame 511, lower frame 512 and at least two column 513 common chassis body of forming that are connected with lower frame 512 with upper side frame 511; And former and later two identical door-plates 52, on the door-plate 52 handle is installed; Suction by magnet between door-plate 52 and chassis body keeps closed condition, and the centre is added with beam, with the sound that reduces to collide.

Fig. 8 is that cabling chamber 5 door-plates 52 of the general shielding rack of the utility model are opened schematic diagram, and when equipment was installed or safeguarded, door-plate 52 can be opened or pull down, and was convenient to operation.

Fig. 9 is the structural representation of the shielding cable tray 6 of the general shielding rack of the utility model, and rack room has line when multimachine cabinet and cabinet, and these cables directly from shielding cable tray 6 lines, can reduce cost without the switching of feed-through capacitor filter.Shielding cable tray 6 is made up of with rear slot track 62 two parts preceding conduit 61, and on-the-spot the installation is convenient in two parts scalable adjusting in front and back, and elastic conducting material 63 is equipped with in the coupling part.

Figure 10 is the shielding cable tray 6 installation site schematic diagrames of the general shielding rack of the utility model, and shielding cable tray and frame 1 reliably overlap, and guarantees the conduction continuity of rack.

Figure 11 is the outlet method floor map of the general shielding rack of the utility model, consider Single Cabinet and and cabinet after two sides be convenient to cabling, be provided with the cabling space that satisfies the communication apparatus requirement in the side door inboard, go out signal cable all from side door 4 interior or cabling chamber 5 interior cablings, promptly connect, can not destroy the conduction continuity of frame 1 in frame 1 outside.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims

1. a general shielding rack comprises frame and rack-mounted cabinet door, and the tooled joint between cabinet door and frame contact position and the cabinet door all adopts elastic conducting material, and frame and cabinet door are formed shield sealing, continuous jointly; Its mid frame comprises framework, dividing plate, reliably overlap between dividing plate and the framework, it is characterized in that: frame also comprises some socket adapters, reliably overlap between described socket adapter and the framework, communications cable turnover frame all needs be transferred by the feed-through capacitor filter socket that is installed on the socket adapter; Feed-through filter is contained in the filter hut of frame upper ledge, and filter housing and filter hut and frame reliably overlap, and electric power incoming line slave top feed-through filter inserts.

2. according to the described general shielding rack of claim 1, it is characterized in that described cabinet door comprises side door, the side door inboard is provided with the cabling space that satisfies the communication equipment requirement, and the signal cable of going out sidles in side door, promptly connects in the frame outside.

3. according to the described general shielding rack of claim 1, it is characterized in that, when multimachine cabinet and cabinet, between two racks, be provided with independent cabling chamber, the frame on cabling chamber and both sides is fixed, and the signal cable of turnover frame is all walked in the cabling chamber and in the rack side door, promptly connects in the frame outside.

4. according to the described general shielding rack of claim 1, it is characterized in that, when multimachine cabinet and cabinet, be provided with telescopic shielding cable tray between frame, reliably overlap, for line cabling between frame with frame.