Beverage supply apparatus

A beverage supply apparatus comprising a cooling device which has a storage chamber partitioned by a partition wall and which cools air in the storage chamber, a liquid beverage container accommodated in the storage chamber, and a detection device for detecting presence or absence of or a remaining amount of a liquid beverage in the liquid beverage container, wherein the beverage supply apparatus supplies a beverage including the liquid beverage cooled by the cooling device to an outer portion, wherein

• the partition wall is a box body having a multilayer structure, and an end part of the box body has an opening that is closed by a predetermined closing member,
• the detection device has a first light guide body provided to penetrate a predetermined part of the partition wall, a second light guide body provided to penetrate a predetermined part of the partition wall which faces the first light guide body, a light projection unit which is attached to a partition-wall outer-surface-side end of the first light guide body and which projects light toward the liquid beverage container via the first light guide body, and a light receiving unit which is attached to a partition-wall outer-surface-side end of the second light guide body and which can receive the light transmitted through the liquid beverage container via the second light guide body, the detection device detects the presence or absence of, or the remaining amount of, the liquid beverage based on a light reception state in the light receiving unit, and
• the liquid beverage container is made of a member in which at least parts corresponding to the first light guide body and the second light guide body can transmit the light.