Top board structure of high place installation type air conditioner
一种空调机、顶板的技术,应用在空调系统、照明和加热设备、空间供热和通风等方向,能够解决易产生褶皱、不能满足设计基准、形状复杂等问题
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no. 1 example
[0083] figure 1 and figure 2 The ceiling structure of the high place installation type air conditioner which shows the 1st Embodiment of this invention is shown.
[0084] The top plate 32 is constructed to be most suitable for use with the already described Figure 41 ~ Figure 43 The structure on the main body casing 3 of the ceiling-embedded air conditioner (indoor unit) is the same as that shown in the prior art example.
[0085] In addition, the plate thickness t of the top plate 32 is thinner than the conventional 0.8 mm, and is formed to be about 0.6 mm, for example figure 1 As shown, the shape of the top plate 32 is substantially hexagonal corresponding to the shape of the box-shaped main body casing 3 of the ceiling-embedded air conditioner. And, on the outer periphery of the ceiling 32, an edge portion 32c having a hook-shaped cross section is provided. Figure 41 ) on the outer peripheral side of the upper end.
[0086] In addition, if figure 1 As shown, five...
no. 2 example
[0089] image 3 and Figure 4 The roof structure of the high-altitude air conditioner according to the second embodiment of the present invention is shown.
[0090]At this time, on the top plate 32, there are mixed and formed: parallel reinforcing ribs 35 and non-parallel reinforcing ribs 36 arranged in parallel. The non-parallel portion 36b extending at a predetermined angle is constituted. That is, parallel reinforcing ribs 35 are formed at the outermost positions and central positions in the width direction of the top plate 32 , and non-parallel reinforcing ribs 36 are formed between the parallel reinforcing ribs 35 . In addition, the non-parallel portions 36b of the respective non-parallel reinforcing ribs 36 extend outward at right angles from respective ends of the parallel portions 36a. In addition, a flat portion is formed between the reinforcing ribs 35 , 36 each having a trapezoidal cross section. The rib width w is substantially equal to the distance D between t...
experiment example
[0094] In order to actually confirm the above-mentioned effect, that is, the effect of the number and arrangement of the reinforcing ribs 35 and 36 that affect the characteristics of the top plate 32, various sample top plates (sample No. 1 to sample No. 14) were produced. The maximum deflection and resonant speed of the top plates of these samples were analyzed.
[0095] In this analysis (FEM analysis), finite element analysis software (manufactured by EDF Corporation, I-DEASMS9m2 Model Solution) was used.
[0096] (1) Sample NO.1
[0097] Such as Figure 5 As shown, the top plate 32 is provided with: a plurality of main reinforcing ribs 32a extending radially from the approximately central portion 33 to the outer peripheral portion and recessed downward, having a predetermined width and a predetermined depth; On the outer peripheral side, a stepped portion 32b with a small downward recess; and a plurality of sub-reinforcing ribs 34 adjacent to the main reinforcing rib 32a ...
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