JP2012245082A5 - - Google Patents

Claims (17)

Inside the main body case (1), a rotating substrate (4) that is rotationally driven by a motor (3), a tank (5) that stores liquid for generating mist, and a liquid that is stored in the tank (5). A liquid feeding means for feeding to (4) is disposed;
An annular collision wall row (56) in which the collision walls (37) and the liquid passages (57) are alternately arranged is provided at least twice in the radial direction so as to surround the rotation center of the rotating substrate (4). A mist generator,
Each collision wall row (56) is arranged in a state where the collision wall (37) of the outer collision wall row (56) faces the liquid passage (57) of the inner collision wall row (56),
The mist generator characterized by the fact that the thickness dimension (T) of the collision wall (37) in the radial direction of the rotating substrate (4) is set smaller than the width dimension (L) of the collision wall (37). Collision wall rows (56) are provided in the radial direction of the rotating substrate (4).
The number of the liquid passages (57) of the collision wall row (56) located on the radially outer side is set to be larger than the number of the liquid passages (57) of the collision wall row (56) located on the radially inner side. Item 2. The mist generator according to Item 1. The narrowest passage width (l) of the liquid passage (57) is set smaller than the width dimension (L) of the collision wall (37),
The mist generator according to claim 1 or 2, wherein a thickness dimension (T) of the collision wall (37) is set smaller than a passage width (l) of the liquid passage (57). A large number of collision walls (37) are erected on the surface of the flat base portion (36) to constitute a rotating substrate (4).
The mist generating device according to any one of claims 1 to 3, wherein a projecting dimension (H) of the collision wall (37) is set smaller than a thickness dimension (H1) of the base portion (36).   The mist generator according to claim 4, wherein a height dimension (H) of the collision wall (37) is set smaller than a thickness dimension (T).   The inner surface (58) of the collision wall (37) facing the center of the rotating substrate (4) is formed of an inwardly convex curved surface having a smaller curvature than the outer peripheral edge of the rotating substrate (4) or a flat surface. Item 6. The mist generator according to any one of Items 1 to 5.   The mist generator according to any one of claims 1 to 6, wherein the passage width of the liquid passage (57) is formed narrower toward the outer peripheral side of the rotating substrate (4).   The mist generating device according to any one of claims 1 to 7, wherein, of the outer surface (59) of the collision wall (37), at least a peripheral surface portion facing the liquid passage (57) is formed in an indented shape.   The rotating board (4) and the top plate (38) covering the upper surface of the collision wall (37) are engaged with the locking protrusions (51) projecting from the support base (32), respectively, and the rotating board (4) is engaged. The mist generating device according to any one of claims 1 to 8, wherein the three members, i.e., the top plate (38) and the support base (32) are integrated so as to be able to rotate together. A ring-shaped introduction body (44) is provided in the center of the top plate (38), and a liquid supply pipe (28) constituting liquid feeding means is inserted through the introduction body (44).
The mist generator according to claim 9, wherein a guide surface (47) having a downwardly expanding taper is formed on the inner surface of the introduction body (44).   The liquid supply port (45) at the lower end of the liquid supply pipe (28) is arranged in a region between the guide surface (47) and the base portion (36) of the rotating substrate (4). Mist generator. Flow promotion protrusions (46) are provided on the upper surface of the rotating substrate (4) facing the liquid supply port (45),
The mist generator according to claim 10 or 11, wherein an upper end portion of the flow promotion protrusion (46) is disposed above an opening surface of the liquid supply port (45).   13. A blade piece (70) for forcibly sending out surrounding air and mist is provided on the upper surface of the support base (32) facing the periphery of the outermost collision wall row (56). The mist generator as described in one.   The mist generator according to claim 13, wherein the blade piece (70) includes a blade surface (71) inclined downward toward the lower side in the rotational direction of the support base (32).   The mist generating device according to claim 13 or 14, wherein the support base (32) is provided with an air guide tube (72) surrounding the outer peripheral surface of the rotating region of the blade piece (70).   The mist according to any one of claims 13 to 15, wherein the support base (32) facing the blade surface (71) of the blade piece (70) has an air introduction vent (73) formed in a vertically penetrating manner. Generator.   A primary electroforming step in which the rotating substrate (4) forms a flat primary electroforming layer (65), and a secondary electroforming layer corresponding to the collision wall (37) on the surface of the primary electroforming layer (65). The mist generating device according to any one of claims 1 to 16, wherein the mist generating device is manufactured through a secondary electroforming step of forming (67).