摘要:
An air-conditioning apparatus includes: an air temperature detection unit configured to detect air temperature in an air-conditioned space; a human body detection unit configured to detect human bodies in the air-conditioned space; an estimation unit configured to estimate thermal sensation of persons detected by the human body detection unit; and a control unit configured to correct a value of the air temperature or set temperature based on the thermal sensation of all of the detected persons estimated by the estimation unit, and to control a refrigeration cycle by using the corrected value.
摘要:
A fan of the invention includes an impeller 100 having a plurality of blades 2 and rotating around a rotation axis 5, and at least one balance weight 10 having at least one claw portion 11 and attached to the impeller 100 to correct the center of gravity of the impeller 100. The impeller 100 has a circumferential convex portion 31 formed along the circumferential direction, and on which the claw portion 11 is hooked to restrict a range of movement of the balance weight 10 in the radial direction of the impeller 100, and at least one radial concave-convex portion 32 formed along the radial direction, and on which the claw portion 11 is hooked to restrict the range of movement of the balance weight 10 in the circumferential direction of the impeller 100.
摘要:
A blade front edge 4a of a turbo fan 1 has, between a main-plate-side blade front edge 4a1 and a shroud-side blade front edge 4a2, a projecting blade front edge 4a3 which distances away from a blade rear edge 4b (located in a rotation direction A) as it furthers away from a main plate 2 ,which curves to a position away from a rotation center O, and, in a range close to the main plate 2, a main-plate-side front-edge skirt portion 41a1 which distances away from the blade rear edge 4b and inclines away from the rotation center O as it becomes closer to the main plate 2. On the other hand, a main-plate-side blade rear edge 4b1, which is a range close to the main plate 2 of the blade rear edge 4b, is substantially perpendicular to the main plate 2 and a shroud-side blade rear edge 4b2, which is a range close to a shroud 3, is inclined so as to gradually distance away from the blade front edge 4a (behind in the rotation direction A) as it furthers away from the main plate 2.
摘要:
Provided is a centrifugal fan (3), including: a main plate (3b) ; a shroud (3g) ; and a plurality of blades (3a). The main plate (3b) includes a base (3cd), a hub (3c), and a guide portion (51). The hub (3c) projects toward the shroud (3g) in a central portion of the main plate (3cd). The base (3cd) is positioned on a periphery of the hub (3c). The guide portion (51) is positioned outside the hub (3c). The guide portion (51) includes a rotating wall (30) and an induction portion (31). The rotating wall (30) extends to be inclined with respect to a direction in which the base (3cd) extends when viewed in vertical section. The induction portion (31) is formed on an outer surface of the guide portion (51) on an upstream side of the rotating wall (30).
摘要:
Provided is an air conditioning apparatus, including: a main body (20) having at least one air inlet and at least one air outlet (9) each being formed at a lower part of the main body; and a heat exchanger (3) housed inside the main body and arranged in a flow passage of air to be sucked into the main body through the air inlet and blown out to a target space through the air outlet. The air outlet is formed between a heat exchanger outlet-side air duct wall (10) and an opposing air duct wall (11), which is opposed to the heat exchanger outlet-side air duct wall. A thickness (L1) of the heat exchanger outlet-side air duct wall is 0.15L2 to 0.25L2, where L2 represents an inlet width of the air outlet.
摘要:
A centrifugal fan 1 includes a main plate 10, a shroud 20, and a plurality of blades 30 provided between the main plate 10 and the shroud 20. The blade 30 includes abutting surfaces 34, 35a, and 35b that respectively abut on abutted surfaces 12a, 22a, and another abutted surface formed on at least one of the main plate 10 and the shroud 20. The abutting surfaces 34, 35a, and 35b includes projections 36, 37a, and 37b formed thereon, respectively, and extending in a straight or curved line. The abutting surfaces 34, 35a, and 35b and the abutted surfaces 12a, 22a, and the other abutted surface are respectively welded to each other by laser beams 40 and 41 respectively directed onto and moved along the projection 36 and the projections 37a and 37b.
摘要:
An indoor unit includes: a main body having an opening near an air-conditioning target space and attached to an installation section; a panel having an air inlet through which air is suctioned and an air outlet through which the suctioned air is discharged, and covering the opening of the main body; a fan provided to the main body and generating flow of air that is suctioned from the air inlet of the panel and blown out from the air outlet of the panel; a bell mouth provided upstream of the fan in the main body and guiding the air suctioned from the air inlet toward the fan; and an electric component box provided upstream of the bell mouth in the main body, to thereby define an air-flowing space between the electric component box and the bell mouth, and accommodating a control unit that controls operation of the fan.
摘要:
Provided is an air-conditioning apparatus (100), including: a case (1) mounted in a ceiling (15a) of a room (15) being a space to be air-conditioned; and a centrifugal fan (3) serving as an air blowing unit and a heat exchanger (6), which are mounted in a ceiling in the case (1), in which at least one air outlet (2b) and at least one air inlet (2a) are formed at a lower portion of the case (1), and in which a step portion (10) projecting toward the space to be air-conditioned is formed between the air inlet (2a) and the air outlet (2b). For example, the air inlet (2a) and a projected end (10b) of the step portion (10) may be positioned so as to be flush with each other, and the air inlet (2a) may be positioned on an inner side of the case (1) with respect to the projected end (10b) of the step portion (10).