There is disclosed a low-temperature showcase in which dew condensation water from outer surfaces of transparent walls is securely treated and in which air can smoothly be blown from a mechanical chamber to the outer surfaces of the transparent walls. The low-temperature showcase includes a showroom
There is disclosed a low-temperature showcase in which dew condensation water from outer surfaces of transparent walls is securely treated and in which air can smoothly be blown from a mechanical chamber to the outer surfaces of the transparent walls. The low-temperature showcase includes a showroom having the transparent walls, the mechanical chamber constituted under this showroom, and a cooling unit constituted of a compressor, a condenser, a fan for the condenser and the like arranged in the mechanical chamber. The low-temperature showcase further comprises blow-off portions which are formed at lower portions of the transparent walls and which blow air discharged from the fan for the condenser in the mechanical chamber toward outer surfaces of the transparent walls, and water receiving portions which are defined between the blow-off portions and the outer surfaces of the transparent walls and which allows inflow of dew condensation water flowing down along the outer surfaces of the transparent walls.
대표청구항▼
1. A low-temperature showcase including a showroom having transparent walls, a mechanical chamber constituted under the showroom, and a cooling unit constituted of a compressor, a condenser, and a fan for the condenser arranged in the mechanical chamber, the low-temperature showcase further comprisi
1. A low-temperature showcase including a showroom having transparent walls, a mechanical chamber constituted under the showroom, and a cooling unit constituted of a compressor, a condenser, and a fan for the condenser arranged in the mechanical chamber, the low-temperature showcase further comprising: blow-off portions which are formed at lower portions of the transparent walls and which are configured to blow air discharged from the fan for the condenser in the mechanical chamber toward outer surfaces of the transparent walls;an evaporation pan provided in the mechanical chamber;a cooling chamber provided under the showroom and above the mechanical chamber with an insulating wall provided between the cooling chamber and the mechanical chamber, said cooling chamber communicating with the evaporation pan; anddew condensation water inflow portions which are defined between the blow-off portions and the outer surfaces of the transparent walls and which allow inflow of dew condensation water flowing down along the outer surfaces of the transparent walls into the cooling chamber comprising an evaporator and a fan, the dew condensation water being discharged to the evaporation pan from the cooling chamber. 2. The low-temperature showcase according to claim 1, wherein the showroom has four surrounding surfaces which are surrounded with the plurality of transparent walls, and the blow-off portions and the dew condensation water inflow portions are formed at the lower portions of the transparent walls of all the surfaces. 3. The low-temperature showcase according to claim 1, further comprising: a cold air discharge port and a cold air suction port which are formed inwardly from the lower portions of the transparent walls and via which cold air is circulated through the showroom,wherein an amount of the air to be blown from the blow-off portion formed at the lower portion of the transparent wall on the side of the cold air discharge port is set to be larger than an amount of the air to be blown from the blow-off portion formed at the lower portion of the transparent wall on the side of the cold air suction port. 4. The low-temperature showcase according to claim 1, further comprising: a door which openably closes an opening of the showroom and which includes at least one of the transparent walls and a sash to hold the at least one transparent wall; anda lower blow-off port which is formed under the sash and which blows the air discharged from the fan for the condenser away from the door,wherein the blow-off portion is formed at a lower side of the sash, and the air blown from the lower blow-off port flows into the blow-off portion in a state in which the door is closed. 5. The low-temperature showcase according to claim 2, further comprising: a cold air discharge port and a cold air suction port which are formed inwardly from the lower portions of the transparent walls and via which cold air is circulated through the showroom,wherein an amount of the air to be blown from the blow-off portion formed at the lower portion of the transparent wall on the side of the cold air discharge port is set to be larger than an amount of the air to be blown from the blow-off portion formed at the lower portion of the transparent wall on the side of the cold air suction port. 6. The low-temperature showcase according to claim 2, further comprising: a door which openably closes an opening of the showroom and which includes at least one of the transparent walls and a sash to hold the at least one transparent wall; anda lower blow-off port which is formed under the sash and which blows the air discharged from the fan for the condenser away from the door,wherein the blow-off portion is formed at a lower side of the sash, and the air blown from the lower blow-off port flows into the blow-off portion in a state in which the door is closed. 7. The low-temperature showcase according to claim 3, further comprising: a door which openably closes an opening of the showroom and which includes at least one of the transparent walls and a sash to hold the at least one transparent wall; anda lower blow-off port which is formed under the sash and which blows the air discharged from the fan for the condenser away from the door,wherein the blow-off portion is formed at a lower side of the sash, and the air blown from the lower blow-off port flows into the blow-off portion in a state in which the door is closed. 8. The low-temperature showcase according to claim 5, further comprising: a door which openably closes an opening of the showroom and which includes at least one of the transparent walls and sash to hold the at least one transparent wall; anda lower blow-off port which is formed under the sash and which blows the air discharged from the fan for the condenser away from the door,wherein the blow-off portion is formed at a lower side of the sash, and the air blown from the lower blow-off port flows into the blow-off portion in a state in which the door is closed. 9. The low-temperature showcase according to claim 1, wherein the dew condensation water that flows into the cooling chamber is discharged to the evaporation pan together with defrosting water from the evaporator provided in the cooling chamber.
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