CN201422220Y - Enclosures for flat assemblies - Google Patents

Abstract

The utility model relates to a case for a flat assembly (18), which has a bottom plate (2), two side parts (3, 4), a top cover (6) and an exhaust fan (92), wherein the flat assembly ( 18) can be inserted parallel to the bottom plate (2) of the enclosure (1); the first side part (3) of the enclosure (1) has an air inlet (10), the second side part (4) on the opposite An air outlet (11); and a forwardly removable ventilation assembly (9) are provided on the first side portion (3) of the cabinet (1).

Description

Enclosures for flat assemblies

technical field

The utility model relates to a case for flat components, the case is provided with an exhaust fan for cooling.

Background technique

A flat module or a printed circuit board with optical and/or electrical components is arranged in a generally constructed housing. The required exhaust fans for cooling are installed above or below the flat assembly and generate a vertical upward air flow.

This has the disadvantage that a sufficient intermediate space must be provided between the housings, which are usually installed one above the other in the rack. The chassis must be removed from the rack when replacing the exhaust fan.

The vertically arranged flat components also prevent a space-saving design, which on the other hand can be achieved through ever-smaller miniaturization.

Utility model content

The object of the invention described in claim 1 is to achieve a flat construction and to enable problem-free replacement of the exhaust fan and, if necessary, the air filter.

A flat construction can be achieved by the horizontal arrangement of the flat components. Like the flat assembly, the ventilation assembly can also be pulled forward and replaced with a new one. The air filter can be part of the ventilation assembly and is also easy to replace. Compared with the air filter which can be taken out separately, this has the advantage that when the filter is replaced, dust will not enter into the fan and thus into the casing due to vibration.

Since the height of the ventilation component is smaller than that of the chassis, the connecting cables can be routed above (or below) the component, and there is no need to move it when replacing the exhaust fan.

It is also advantageous if an intermediate space is left between the ventilating element and the flat element. Thus, even with lower ventilated components, air can circulate around the flat components above. The area of the intermediate cavity can be used on the front of the cabinet by cable trays, for example for fiberglass cables, which prevent below the minimum allowable bend radius.

Further advantages of the invention are stated in the other dependent claims.

Description of drawings

Embodiments of the utility model will be described in detail with reference to accompanying drawings 1 and 2.

Fig. 1 is the perspective view of the cabinet of the present utility model; With

Figure 2 is a front view of the chassis.

Detailed ways

The case 1 shown in FIG. 1 is mainly composed of a bottom plate 2 , a first side part 3 , a second side part 4 , a rear wall 5 and a case top cover 6 . All or several of these parts, such as the two side parts and the base, can be produced from sheet metal.

On one side of the enclosure 1, here on the left in the enclosure, a ventilation assembly 9 is inserted into the enclosure, the ventilation assembly 9 containing an exhaust fan 92 (axial fan) and an air filter, shown only schematically in FIG. 2 91. The side walls of the ventilation assembly are either open or also have ventilation openings. The electrical connection to the ventilation module is made via plug contacts.

The first side part 3 has an air inlet 10 and the second, opposite side part 4 has an air outlet 11 . Other air outlets can be provided on the rear wall 5 . The overall height 12 of the ventilation unit is smaller than the overall height of the housing, so that above the ventilation unit there is an empty space 13 through which connecting cables 14 can be passed and, if necessary, also fastened.

The flat assembly 18 can be inserted horizontally into the cabinet from the front, parallel to the base plate 2; for the sake of clarity, only one flat assembly is shown. These flat components are fastened here on two vertical fastening rails 7 and 8 .

There is an empty intermediate space 15 between the ventilation element 9 and the flat element. Even though the ventilation unit 9 and thus the exhaust fan are smaller than the height and possibly also the width of the housing 1 , a horizontal air flow 17 is formed which covers the entire housing cross section.

The front area of the intermediate cavity 15 can be used for a cable tray 16 for securing the connection cables while preventing below the minimum bending radius in the case of optical cables.

The ventilation assembly 9 can be pulled forward without changing the position of the connection cable 14 , and the air filter or the complete ventilation assembly can then be replaced without problems.

Power to the flat assembly and exhaust fan is provided via a power cable 19 connected to the back of the cabinet or via plug connectors on the rear wall circuit board.

List of reference signs

1 Chassis

2 bottom plate

3 first side part

4 second side part

5 rear wall

6 Chassis top cover

7, 8 fixed rail

9 ventilation components

91 air filter

92 axial fan

10 air inlet

11 air outlet

12 Structural height of ventilation components

13 empty space

14 Connecting cables

15 middle cavity

16 cable tray

17 air flow

18 flat components

19 Power cable

Claims (8)

1. a cabinet that is used for flat assembly (18) has base plate (2), two lateral parts (3,4) and top cover (6) and ventilating fan (92), it is characterized in that:

The base plate (2) that-described flat assembly (18) can be parallel to described cabinet (1) is inserted into;

First lateral parts (3) of-described cabinet (1) has air intake (10), and second lateral parts (4) that is positioned at the opposite has air outlet slit (11); With

-the ventilation assembly (9) that can take out forward is arranged on first lateral parts (3) of described cabinet (1).

2. cabinet as claimed in claim 1 is characterized in that: the structure height (12) of described ventilation assembly (9) is less than the height of described cabinet (1).

3. cabinet as claimed in claim 2 is characterized in that: described ventilation assembly (9) has sky spacing (13) in upper area.

4. cabinet as claimed in claim 3 is characterized in that: described ventilation assembly (9) has the empty spacing (13) that is used to connect connection cable (14) of upward opening in front in upper area.

5. as each described cabinet in the claim 1 to 4, it is characterized in that: between the peaceful assembly of described ventilation assembly (9) (20), be provided with intermediate cavity (15).

6. cabinet as claimed in claim 5 is characterized in that: described ventilation assembly (9) contains axial fan (92) and removable air cleaner (91).

7. cabinet as claimed in claim 6 is characterized in that: the front in described cabinet (1) is equipped with cable chute (16) in the zone of described intermediate cavity (15).

8. each described cabinet in the claim as described above, it is characterized in that: described flat assembly (18) can be inserted into the described cabinet (1) from the front.

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