JPS6032854Y2 - refrigeration equipment - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a refrigeration device suitable for application to, for example, an open showcase and stocker with a built-in refrigerator.

Open cases with built-in refrigerators are cheaper to manufacture than those with external refrigerators, and are easier to install than outdoor types when installing a single unit.

However, refrigeration systems with built-in refrigerators also have problems.

First, due to the built-in type, sufficient consideration has not been given to the treatment of hot air accompanying heat exchange.

Conventional refrigeration devices of this type have a space between them and the indoor wall, and this space may be used to discharge air into the room or outside.

Generally, the refrigerator is installed below the refrigeration system to maximize the food storage capacity.

As a result, the position of the hot air outlet is at the bottom of the refrigeration device.

However, when installing refrigeration equipment, in order to secure a large sales floor area, it is often placed as close to the wall as possible, and ducts are rarely led out into the upper part of the room.

Therefore, if you try to install a duct by drilling a hole directly into the wall, you will have to destroy part of the building's foundation.

This makes it meaningless to build a building that conforms to the building standards, and the construction costs are also huge, which is disadvantageous.

In addition, the built-in refrigerator type has a separate built-in drainage receiver for heat exchange condensation, but the amount of drainage during summer use is several times that during winter.

However, if the capacity of the drainage basin is increased to suit the summer season, the food storage capacity becomes relatively small, which is not desirable.

In view of these points, the present invention is a refrigeration system that allows exhaust air to be carried out without drilling holes in the building itself, uses the heat of the exhaust air for indoor heating, and minimizes drainage. The main purpose of the present invention is to eliminate all of the conventional drawbacks at once by providing a device.

Hereinafter, an embodiment of the refrigeration device of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a linear sectional view of an open showcase showing an example of the refrigerator according to the present invention, and FIG. 2 is a plan view thereof.

1 indicates an open case, and 2 indicates a built-in heat exchange device.

An exhaust duct 3 that guides the exhaust heat exchanged by the heat exchange device 2 is arranged to extend upward along the back surface of the open case 1.

In other words, the duct 3 connects the outer back surface 1a and the inner back surface 1 of the case 1.
installed between b.

Although the number of ducts 3 is two in the figure, the number can be changed as appropriate.

And in the middle of each duct 3 is a fan 4 for forced exhaust.
can be provided.

Reference numeral 5 indicates a blower device, which is installed between the heat exchange device 2 and the duct 3 for forced exhaust.

As shown in FIG. 3, the blower device 5 has a heat exchange duct 7 connected inside a housing 6, and an exhaust duct 3 connected to the opposite side.

The hot air resulting from the heat exchange is then exhausted to the exhaust duct 3 by the first fan 8.

Further, in order to heat the room in winter, a leaf-shaped valve 9 and a second fan 10 are provided on the other side of the housing 6, so that the exhaust to the exhaust duct 3 is stopped and the exhaust is exhausted from the valve 9 into the room.

Note that during the summer, when exhaust air is discharged by the 17th Annex 8, the air blowing efficiency does not decrease because the valve 9 is automatically closed due to the negative pressure inside the housing 6.

Then, when heating the room in winter, the wiring circuit is set so that the first fan 8 can be rotated in the opposite direction, and the 27th fan 1 can be rotated as necessary.
0 is activated to exhaust the air outside the open case 1 into the room.

On the other hand, in FIG. 1, 13 indicates a drain pipe.

Considering that a larger amount of water is discharged in the summer than in the winter, the drain pipe 13 is arranged in a spiral or meandering manner around the discharge duct 3 to lead to the waste water receiver 14, as shown in FIG. It's dark.

Reference numeral 13a indicates an evaporated steam vent pipe, which can be installed within the exhaust duct 3.

Therefore, even though the amount of water discharged during summer use is large, the amount of water discharged into the drainage receiver 14 is reduced by evaporating it with exhaust heat, and as a result, the maintenance and inspection of discharging the water in the drainage receiver 14 to the outside can be reduced. This improves the heat exchange operation rate relative to the amount of electricity used.

As described above, according to the present invention, an air blower is provided between the duct from the heat exchanger and the exhaust duct, and the air blower includes a first fan provided on the exhaust duct side, and a heating fan. A drain valve and a second fan are provided separately, and a drain pipe is provided around the exhaust duct to drain the condensed water generated by heat exchange, and the tip of the steam vent pipe is provided in the middle of the drain pipe. Since the leaf valve is inserted into the exhaust duct, during summer use, the exhaust from the first fan is automatically closed due to the negative pressure inside the casing, reducing air blowing efficiency. never goes down.

Furthermore, even though the amount of water discharged is large, it can be evaporated by exhaust heat, so the amount of water discharged to the drainage receiver is reduced, and as a result, the drainage receiver has the effect of reducing the maintenance required to dump the water inside to the outside.

In addition, during winter use, due to the configuration with the leaf valve and the second fan for heating and blowing air provided separately, the exhaust to the exhaust duct is stopped and the leaf valve is opened to allow the outside of the refrigeration equipment to be removed. Exhaust air can be blown into the room and can be used for indoor heating.

After all, in this invention, the amount of water discharged by heat exchange can be designed in advance to be a substantially constant amount throughout summer and winter, and the volume of the waste water receiver can be made as small as possible. This has the effect of greatly reducing storage capacity.

Moreover, even though the heat exchanger of this type of refrigeration system is installed at the bottom, it can be easily vented using windows at the top of the room without damaging the building foundation, significantly reducing the installation work. It is possible to shorten the time and reduce the number of man-hours.

Furthermore, the heat exchange rate relative to the power consumption is dramatically improved compared to the conventional method, improving the performance of this type of device.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view of the open showcase, Figure 2 is a plan view, Figure 3 is a perspective view of an example of a blower, and Figure 4 shows the relationship between the exhaust duct and the drain pipe. FIG. 1... Open case, 3... Exhaust duct, 5... Air blower, 8... First fan, 10... Second Juan, 13...
drain pipe.

Claims (1)

[Scope of utility model registration request] A blower device is provided between the duct from the heat exchange device and the exhaust duct, and the blower device includes a first air blower provided on the exhaust duct side.
A fan, a leaf valve for heating and air blowing, and a second fan are provided separately, and a drain pipe is provided around the exhaust duct to discharge condensed water generated by heat exchange, and a drain pipe is provided in the middle of the drain pipe to discharge condensed water generated by heat exchange. A refrigeration device characterized in that the distal end of the provided steam vent pipe is inserted into the exhaust duct.