JP5278025B2 - vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the amount of heat dissipated to the outside, and reduce power consumption by reducing temperature rise of a commodity storage floor face due to radiant heat of a heater. <P>SOLUTION: In a wind tunnel installed on the floor face 19 of the commodity storage 1 and leading to a circulation duct 11, there are provided a blowing means 9 for circulating air inside at least the commodity storage 1, and the heater 7 heating the circulation air. In the wind tunnel, there is provided a partition plate 31 partitioning a heater installation part space 30 into a lower space 32a and an upper space 32b. At least, the upper space 32b is configured as a passage through which the circulation air passes, and the hearer 7 is fixed on a top wall inside the passage. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a vending machine that heats or cools a product such as a beverage contained in a container such as a can, a bottle, a pack, or a plastic bottle for sale.

  5 and 6 show a conventional vending machine, FIG. 5 is a longitudinal sectional view of the whole, and FIG. 6 is a refrigeration circuit diagram dedicated to cooling.

  As shown in FIGS. 5 and 6, the conventional vending machine 100 cools the internal temperature of the product storage 1 and the product storage 1 consisting of a casing that is internally insulated into a plurality of chambers, and sets the internal temperature of the storage. It has the cooling device 5 for making predetermined temperature (low temperature), and the heater 7 for heating the internal air of the goods storage 1 and making internal temperature into predetermined temperature (high temperature). The product 3 here is a product such as a beverage in a container such as a can, a bottle, or a plastic bottle, and indicates the product itself or a container in which the product is enclosed.

At the lower part of the front wall 12 (left side in the figure) of the product storage 1 is provided a product take-out port 10 for taking out the product, a shooter 2 inclined toward the product take-out port 10 is arranged, and the shooter 2 is a product. The interior of the storage 1 is partitioned up and down.
A product rack 4 for collecting the products 3 is disposed above the shooter 2, and a heat exchange chamber 8 is disposed below the shooter 2.

Further, a circulation duct 11 is arranged substantially parallel to the rear wall 13 (right side in the figure) of the product storage 1. A circulation duct suction port 17 that opens to reach the position of the product rack 4 is provided above the circulation duct 11, and a circulation duct blowout port 15 that opens to communicate with the heat exchange chamber 8 is provided below the circulation duct 11. It has been.
Therefore, the air sent by the air blowing means 9 (hereinafter referred to as an internal fan) is sucked into the circulation duct 11 via the inside of the product rack 4 and circulates in the product storage 1.

The heat exchange chamber 8 is installed on the floor surface 19 of the product storage 1 and communicates with the circulation duct outlet 15 of the circulation duct 11. And the heating / cooling means (the heater 7 and the evaporator 6) for maintaining the air in the product storage 1 at a predetermined temperature, and the air in the product storage 1 are circulated between them. The internal fan 9 is accommodated. In addition, the heater 7 is fixed to the top wall side of the heat exchange chamber 8 and hangs down.
Therefore, the air descending the circulation duct 11 first passes through the evaporator 6, is then sucked into the internal fan 9, and finally passes through the heater 7.

  As shown in FIG. 6, the cooling device 5 includes a compressor 21 that compresses the refrigerant, a condenser 22 that cools the refrigerant compressed by the compressor 21, and an expansion valve 23 that expands the refrigerant cooled by the condenser 22. A plurality of evaporators 6 provided corresponding to the respective chambers of the product storage 1 and evaporating the refrigerant expanded by the expansion valve 23, and the refrigerant is supplied to a predetermined evaporator among the plurality of evaporators 6. And a plurality of solenoid valves 24 as refrigerant distributing means.

  The evaporator 6 is installed in each room of the product storage 1 to cool the stored product. That is, the evaporator 6 is connected to a cooling unit (the compressor 21, the condenser 22, and the electromagnetic valve 24) installed outside (downward) the commodity storage 1 and is supplied with predetermined cold heat. The evaporator 6 and the heater 7 are properly used according to the type of product and the change in season. The condenser 22 has an outside fan 25.

  The shooter 2 is inclined so as to gradually become lower toward the front (left side in the figure), and sends the product 3 dropped from the product rack 4 to the product carry-out port 10. The shooter 2 is also ventilated to allow air (heated or cooled air) blown from the heat exchange chamber 8 by the internal fan 9 to flow above the shooter 2 and circulate inside the product storage 1. A hole (not shown) is drilled.

Since the conventional vending machine 100 has the above-described configuration, the air blown out by the internal fan 9 (heated or cooled air) blows out above the shooter 2 and exchanges heat with the product 3 in the product rack 4. Then, it is sucked into the heat exchange chamber 8 again via the circulation duct 11. That is, the air in the product storage 1 is circulated while repeating heat exchange.
For example, when the cooling device 5 is operated to supply cold heat to the evaporator 6, the air cooled in the evaporator 6 blows out toward the product rack 4 through the vent holes, and the product 3 accumulated in the product rack 4 is collected. Cooling. Then, the warm air returns to the evaporator 6 again via the circulation duct 11.
On the other hand, when the heater 7 is operated, the heated air is blown out toward the product rack 4 through the ventilation holes, and the product 3 accumulated in the product rack 4 is heated. And the cooled air returns to the heater 7 again via the circulation duct 11 (for example, refer patent document 1).

Japanese Patent Laid-Open No. 10-188112 (page 2-3, FIG. 1)

  Thus, the product heating of this type of vending machine is performed by the heater 7 installed in the warehouse. That is, the heat generation for heating the product is performed by turning on the heater 7 and allowing the air from the internal fan 9 to flow around the air, so that the air generates heat from the heater 7.

  By the way, at the time of heat generation, the heater surface temperature reaches about 500 ° C., and even if air is blown around the heater 7, the floor surface 19 is heated to 100 ° C. or more by radiant heat. For this reason, the amount of heat radiation from the floor surface 19 to the outside of the warehouse increases, and the amount of power consumption increases.

  The technical problem of the present invention is to be able to reduce the increase in the temperature of the product storage floor due to the radiant heat of the heater so as to suppress the amount of heat released to the outside and reduce the power consumption. .

(1) The vending machine according to the present invention has the following configuration. In other words, the wind tunnel is provided on the floor of the product storage and is connected to the circulation duct . The wind tunnel includes a first heat exchange chamber and a second heat exchange chamber connected to the downstream side thereof. It is, in the first heat exchange chamber, and an evaporator of the cooling device, is installed and the blower means order to circulate the air in the commodity storage chamber, the second heat exchange chamber, the circulating air In a vending machine provided with a heater for heating, a partition plate is provided that defines a second heat exchange chamber in the wind tunnel into a lower space and an upper space, and circulating air is provided between the lower space and the upper space. It is configured as two passages through which a heater is fixed on the top wall in the upper space .

In the vending machine according to the present invention, a partition plate for defining the second heat exchange chamber in the wind tunnel into a lower space and an upper space is provided, and the lower space and the upper space have two systems through which circulating air passes. configured as a passage, the top wall of the upper space, since the fixing heater, to be able to pass also circulating air in the lower space, the temperature of the partition plate as a bottom plate of the headspace from the partition plate lower surface side Can also be taken away by circulating air. For this reason, the heat exchange efficiency is improved, and at the same time, the cooling effect of the partition plate can be obtained, the temperature of the product storage floor can be lowered, the heat radiation amount to the outside of the warehouse can be reduced, and the energy saving effect can be enhanced. it can.

It is the longitudinal cross-sectional view and perspective view which show schematic structure of the principal part of the vending machine which concerns on Embodiment 1 of this invention. It is the longitudinal cross-sectional view and perspective view which show schematic structure of the principal part of the vending machine concerning Embodiment 2 of this invention. It is a perspective view which shows schematic structure of the principal part of the vending machine which concerns on Embodiment 3 of this invention. It is a perspective view which shows schematic structure of the principal part of the vending machine which concerns on Embodiment 4 of this invention. It is sectional drawing which looked at the whole structure of the conventional vending machine from the side. It is a freezing circuit diagram only for cooling of a vending machine.

Embodiment 1. FIG.
The present invention will be described below with reference to illustrated embodiments.
FIG. 1 is a longitudinal sectional view and a perspective view showing a schematic configuration of a main part of a vending machine according to Embodiment 1 of the present invention. is there.

  In the vending machine according to the present embodiment, a wind tunnel installed on the floor surface 19 of the commodity storage 1 and connected to the circulation duct 11 is connected to the first heat exchange chamber 8 and the downstream side thereof. The first heat exchange chamber 8 is provided with an evaporator 6 of a cooling device and an internal fan 9 that is a blowing means for circulating the air in the product storage 1. Yes. The second heat exchange chamber 30 constitutes a heater installation space, and the inside is defined by a partition plate 31 into a lower space 32a and an upper space 32b. Of these, the upper space 32b is configured as a passage that communicates with the first heat exchange chamber 8 and through which the circulating air passes, and the heater 7 is fixed to the top wall in the passage (upper space 32b). On the other hand, the lower space 32a is not in communication with the first heat exchange chamber 8, and here is configured as a heat insulating space in which no wind flows. Further, the front end (downstream end) 33 of the partition plate 31 is formed obliquely upward, and functions as a wind direction plate for directing the wind that has passed through the upper space 32b of the second heat exchange chamber 30 upward. ing. Other configurations including the cooling device are the same as those in FIGS. 5 and 6.

  Thus, in the vending machine of the present embodiment, the partition plate 31 that defines the heater installation space in the wind tunnel, that is, the second heat exchange chamber 30, into the lower space 32a and the upper space 32b is provided. Since the upper space 32b is configured as a passage through which circulating air passes and the heater 7 is fixed to the top wall in the passage, the lower space 32a becomes a heat insulating space, and the temperature of the product storage floor 19 is increased by the radiant heat of the heater 7. Can be reduced. That is, the partition plate 31 that is the bottom plate of the upper space 32a is heated to about 100 ° C. to 150 ° C., but the temperature of the lower product storage floor 19 is lower than that of the prior art because there is a heat insulating space in between. . For this reason, the amount of heat radiation to the outside of the warehouse is reduced, and the amount of power consumption can be reduced.

Embodiment 2. FIG.
FIG. 2 is a longitudinal sectional view and a perspective view showing a schematic configuration of a main part of a vending machine according to Embodiment 2 of the present invention. In FIG. is there.

  The vending machine according to the present embodiment has a lower space by a partition plate 41 so that the heater installation space in the wind tunnel, that is, the inside of the second heat exchange chamber 40 is configured as two passages through which circulating air passes. 44a and upper space 44b.

More specifically, the base plate (upstream end) 42 of the partition plate 41 is formed obliquely upward, whereby a part of the outlet of the internal fan 9 is applied to the lower space 44a, and the lower space 44a. The wind can also flow. The partition plate 41 has a tip (downstream end) that is shorter than that of the first embodiment. On the other hand, at the tip of the bottom surface of the second heat exchange chamber 40, the wind direction that directs the two passages of the second heat exchange chamber 40, that is, the wind passing through the upper space 44b and the lower space 44a upward. A plate 45 is provided, and an air outlet 43 of the lower passage (lower space 44 a) is formed between the wind direction plate 45 and the tip of the partition plate 41. Other configurations including the cooling device are the same as those in FIGS. 5 and 6.

Thus, in the vending machine of the present embodiment, the lower space 44a through which the circulating air passes above and below the partition plate 41 that defines the heater installation space in the wind tunnel, that is, the space in the second heat exchange chamber 40. And the upper space 44b are provided with two systems of passages, and the circulating air is also passed through the lower space 44a, whereby the temperature of the partition plate 41 serving as the bottom plate of the upper space 44b is also taken away from the lower surface of the partition plate by the circulating air. since There was Kiruyo Unishi with, at the same time the heat exchange efficiency is improved, the cooling effect of the partition plate 41 can be obtained, thereby further reducing the temperature of the product storage floor 19. For this reason, it is possible to further reduce the amount of heat released to the outside of the warehouse, and the energy saving effect can be enhanced.

Embodiment 3. FIG.
FIG. 3 is a perspective view showing a schematic configuration of a main part of a vending machine according to Embodiment 3 of the present invention. In FIG.

  In the vending machine according to the present embodiment, the heater installation portion in the above-described first embodiment, that is, the peripheral wall 35 of the lower space 32a of the second heat exchange chamber 30A is configured with a low thermal conductivity, for example, a resin member. Is. Other configurations including the cooling device are the same as those in FIGS. 5 and 6.

  In the vending machine of the present embodiment, the peripheral wall 35 of the lower space 32a of the second heat exchange chamber 30A is made of a resin member having a low thermal conductivity, so that the heat insulation performance can be improved, and the product storage The temperature of the floor surface can be further reduced.

Embodiment 4 FIG.
FIG. 4 is a perspective view showing a schematic configuration of a main part of a vending machine according to Embodiment 4 of the present invention. In FIG.

  The vending machine of the present embodiment removes the peripheral wall of the lower space 32a of the heater installation portion, that is, the second heat exchange chamber 30B in the above-described first embodiment, to make a blow-off, and the floor surface 19 (see FIG. The second heat exchange chamber 30B is supported by a plurality of leg members 36 having a small contact area with the floor surface. Other configurations including the cooling device are the same as those in FIGS. 5 and 6.

  In the vending machine of the present embodiment, the lower space 32a of the second heat exchange chamber 30B is formed by a blow-off, and the second heat exchange chamber 30B is constituted by a plurality of leg members 36 having a small contact area with the floor surface. Since it is supported, heat does not accumulate in the lower space 32a, and heat transfer to the product storage floor 19 can be further suppressed.

1 Product Storage 7 Heater 8 First Heat Exchange Room (Wind Tunnel)
9 Internal fan (air blowing means)
11 Circulation duct 19 Floor 30, 30A, 30B, 40 Second heat exchange chamber (heater installation space)
31, 41 Partition plate 32a, 44a Lower space 32b, 44b Upper space 35 Perimeter wall of lower space 36 Leg member 100 Vending machine

Claims (1)

The wind tunnel is provided on the floor of the product storage and is connected to the circulation duct, and the wind tunnel includes a first heat exchange chamber and a second heat exchange chamber connected to the downstream side thereof, wherein the first heat exchange chamber, and an evaporator of the cooling device, is installed and the blower means order to circulate the air in the commodity storage chamber, said second heat exchange chamber, the circulating air in vending machine heater for heating is formed by installing,
A partition plate for defining the second heat exchange chamber in the wind tunnel into a lower space and an upper space;
The lower space and the upper space are configured as two passages through which the circulating air passes,
A vending machine , wherein the heater is fixed to a top wall in the upper space .

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