JPS5910541Y2 - Refrigerated open showcase - Google Patents

Description

[Detailed description of the invention] The present invention provides a main cooler for cooling the airflow in the airflow circulation path formed in the main body case, and a main cooler located upstream of the main cooler than the main cooler. The present invention relates to a refrigerated open showcase that is provided with a dehumidifying cooler with a high temperature level, and is provided with refrigeration units that supply cooling medium to the main cooler and the dehumidifying cooler, respectively.

The following will be explained with reference to FIG. 1 showing an embodiment of the present invention.
Reference numeral 1 denotes a main case having an opening formed on the front surface, 2 a storage chamber for articles, 3 an air flow circulation path formed between the main case 1 and the storage chamber 2, and 4 the circulation path 3. The main cooler 5 provided in the main cooler 5 is a dehumidifying cooler provided in the circulation path 3 upstream of the main cooler 4, and has a higher humidity level than the main cooler 4 and is set to approximately 0°C.

A refrigeration unit that supplies a cooling medium to the dehumidifying cooler 5 is provided independently of the refrigeration unit of the main cooler 4.

Reference numeral 6 denotes a machine room that houses the refrigeration unit provided at the bottom of the main body case 1, and 7 is a design panel provided at the front of the machine room 6, with a plurality of through holes provided at the bottom as shown in Fig. 2. ing.

The feature of the present invention is that the condenser 8 of the dehumidifying cooler 5 is installed above the condenser 9 of the main cooler 4 in the machine room 6.

Both of these condensers 8 and 9 are air-cooled, and the fin 10 of the condenser 8 and the fin 11 of the condenser 9 are integrated.

Reference numeral 13 indicates a blower provided behind the condensers 8 and 9, and a compressor 13 provided behind the blower 12.

In the above structure, when the refrigerated open showcase starts operating, that is, when the temperature of the storage chamber is high, the air sucked in from the air intake port contains a large amount of moisture, so first, only the refrigeration unit of the dehumidifying cooler is operated. The dehumidifying cooler dehumidifies the air and lowers the temperature of the storage chamber to a certain extent, and then the refrigeration unit of the main cooler is activated to further cool the air cooled by the dehumidifying cooler before supplying it to the storage room. It cools the storage room to a predetermined humidity.

The moisture condensed on the surface of the dehumidifying cooler is discharged to the outside through a drain hole (not shown).

Next, the operation of the refrigerated open showcase with this structure will be explained.

If the ventilation holes in the design panel are only on the lower side, the air sucked in by the blower will be more in the lower part and less in the upper part, so the condensation temperature of the condenser of the main cooler will be the same as that of the condenser of the dehumidifying cooler. The temperature level is low compared to the temperature, so the condensing capacity of the condenser of the main cooler is not reduced.

Also, the amount of air that passes through the condenser of a dehumidifying cooler is small and the condensing temperature level is high, but the evaporation temperature in the dehumidifying cooler is high, and in that case, the higher the condensing temperature, the lower the flow of the cooling medium. Are you okay? The refrigerating capacity of the dehumidifying cooler does not decrease because the dehumidifying cooler exhibits a sufficient effect without decreasing its cooling capacity.

By installing the condenser of the dehumidifying cooler above the condenser of the main cooler in this way, the number of holes in the design panel can be reduced, reducing the number of processing steps and creating a cleaner design, which improves the display effect. We can provide refrigerated open showcases with excellent performance.

[Brief explanation of the drawing]

Figure 1 is a longitudinal sectional view showing the refrigerated open showcase of the present invention, Figure 2 is a perspective view of the design panel, and Figure 3 is a side view showing the relationship between the condenser of the main cooler and the condenser of the dehumidifying cooler. be. In the figure, 3 is a circulation path, 4 is a main cooler, 5 is a dehumidifying cooler,
6 is a machine room, 8 is a condenser of the dehumidifying cooler 5, 9 is a condenser of the main cooler 4, and 10 is a fin.

Claims (2)

[Scope of utility model registration request] (1) A main cooler for cooling the airflow is provided in the airflow circulation path formed inside the main body case, and a dehumidifying cooler with a higher temperature level than the main cooler is installed upstream of the main cooler. A refrigeration open showcase is provided, in which a refrigeration unit for supplying refrigerant to the dehumidification cooler is provided independently of the refrigeration unit of the main cooler, and a condenser of each refrigeration unit is installed in the machine room. A refrigerated open showcase characterized in that the condenser of the cooler is installed above the condenser of the main cooler. (2) The refrigerated open showcase according to claim 1, wherein the fins of the condenser of the dehumidifying cooler and the fins of the condenser of the main cooler are integrated.