Seat air-conditioning device

A seat air-conditioning device provided in a compartment of a vehicle which supplies air generated by a blower to a seated passenger, comprising:

• a pad wrapped in a skin, and
• a ventilation sheet which is formed in a plate shape and supplies air to the seated passenger, wherein
• the pad has an internal space,
• the ventilation sheet is disposed in the internal space,
• the internal space includes a first space and a second space through which the air passes,
• the first space includes a seating side opening communicated to an external space of the pad on the side of the seated passenger,
• the second space is communicated to the first space and to the blower in the external space of the pad,
• a groove connected to a wall surface surrounding the second space is formed in a wall surrounding the first space in the pad,
• the ventilation sheet has a plurality of straight tubes that are arranged side by side in a predetermined direction,
• each of the plurality of straight tubes extends along a direction intersecting the predetermined direction,
• the ventilation sheet has a seat ventilation passage which is an internal space of each of the plurality of straight tubes, a first seat opening formed in each of the plurality of straight tubes and connected to each of the seating side opening and the seat ventilation passage, and a second seat opening formed in each of the plurality of straight tubes and connected to each of the seat ventilation passage and the second space,
• the groove extends in the predetermined direction, and
• the air diffuses in the predetermined direction by flowing through a space surrounded by the groove so as to flow into the corresponding second seat opening.