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housing for electrical equipment

A technology for electrical equipment and shells, which is applied in the field of shells of electrical equipment, and can solve the problems of enlarged dimensions of finished products

Active Publication Date: 2018-05-15
东芝施耐德变换器公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The blade part 3 protrudes from the side of the plate 2 to the outside, correspondingly, the outer dimension of the finished product becomes larger

Method used

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  • housing for electrical equipment
  • housing for electrical equipment
  • housing for electrical equipment

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other Embodiment approach

[0025] In the above-mentioned embodiment, the second plate 14 is constituted by a part of the housing 11 , but the first plate 13 and the second plate 14 constituting the louver structure 12 may be formed separately from the housing 11 .

[0026] The joining method of the first plate material 13 and the second plate material 14 may be welding.

[0027] The electrical equipment is not limited to an inverter device, and any electrical equipment that requires internal cooling may be used.

[0028] As described above, according to the housing of the electrical equipment of the present embodiment, the first plate material having the first opening and the vane plate bent toward the rear side, and the second plate having the second opening communicating with the first opening are formed. The two boards overlap to form a shutter structure. Thereby, a drip-proof louver structure is provided, and the protruding portion protruding outward from the housing can be eliminated, and there is...

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Abstract

The present invention provides a casing of an electric device, which has a drip-proof louver structure, can remove a protruding portion protruding outward from the casing, and does not need to manufacture a molding die for forming the louver structure. The louver structure of the casing of the electrical equipment includes a first metal plate material and a second metal plate material arranged on the front surface of the first plate material. The first plate has a first opening, and has a tongue-shaped blade plate, the blade plate is located in the first opening, the lower end is connected to the first plate, and the left and right ends and the upper end are separated from the first plate. After cutting, the lower end is used as a fulcrum, and the upper end is bent toward the back side of the first board. The second plate has a second opening whose area is smaller than an area where the first opening and the blade plate are formed. The louver structure is formed by overlapping the first plate material and the second plate material in a state where the second opening communicates with the first opening.

Description

technical field [0001] Embodiments of the present invention relate to housings of electrical equipment. Background technique [0002] A casing of an electric device such as an inverter device is formed of a metal plate such as iron. In this housing, when the opening provided on the side surface of the housing is required to have a drip-proof structure for the purpose of cooling the inside of the housing, etc., generally adopt Figure 4 and Figure 5 Shutter construction 1 shown. This is a structure called a louver, in which a metal plate 2 constituting the housing is provided with multiple layers of blades 3 and openings 4 that protrude outwardly in a vertical direction. The upper end and left and right ends of each blade plate portion 3 are connected to the plate 2 , and the lower end is cut off from the plate 2 to form an opening 4 inside the lower end. In this structure, air permeability inside and outside the casing can be ensured by the opening 4 to cool the inside o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/16
CPCH05K5/0214H05K5/0213H05K5/0004H05K5/0217H05K5/03
Inventor 堀田佳宏
Owner 东芝施耐德变换器公司