초록 ▼

Silencing equipment provided with one or more flow channels through which cooling air flows has a flow channel forming member that forms the flow channel, and an acoustic absorbent member that is fixed to the flow channel forming member. A resonance type silencer is formed on a wall surface of the f

Silencing equipment provided with one or more flow channels through which cooling air flows has a flow channel forming member that forms the flow channel, and an acoustic absorbent member that is fixed to the flow channel forming member. A resonance type silencer is formed on a wall surface of the flow channel by providing a cavity for the resonance type silencer in the acoustic absorbent member and an aperture for the resonance type silencer in a portion of the flow channel forming member. The resonance type silencer sets a frequency of noise necessary to be reduced based on a peak frequency of noise generated by a fan. The silencing equipment further has a slide member which slides by a slide mechanism to adjust the area of the top of the aperture. The silencing equipment for electronic devices capable of cooling heat generating sections thereof with air has a small and simple structure and can improve a silencing effect by blowing air.

대표청구항 ▼

1. Silencing equipment for electronic devices, the silencing equipment being adapted to be installed to an electronic device having a fan that blows cooling air to cool a heat generating section, the silencing equipment comprising: a flow channel forming member that forms a flow channel through whic

1. Silencing equipment for electronic devices, the silencing equipment being adapted to be installed to an electronic device having a fan that blows cooling air to cool a heat generating section, the silencing equipment comprising: a flow channel forming member that forms a flow channel through which the cooling air flows, wherein an aperture is provided in a portion of the flow channel forming member;a cavity communicating with the aperture and formed by bending the flow channel forming member;a slide member configured to slide via a slide mechanism, wherein the slide member is provided on top of the aperture to adjust an area of the top of the aperture; andacoustic absorbent members, wherein the acoustic absorbent members are attached to the flow channel forming member and the slide member,wherein the aperture and the cavity form a resonance type silencer on a wall surface of the flow channel by making a cross sectional area of at least one part of the cavity larger than that of an interface between the aperture and the cavity. 2. The silencing equipment according to claim 1, wherein the slide member includes a plurality of holes formed thereon. 3. The silencing equipment according to claim 1, wherein the flow channel forming member is made of a more rigid material than the acoustic absorbing member.