JP2005115823A - Automatic vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce power consumption and to prevent warming deterioration of hot drink regarding an automatic vending machine which sells articles such as canned drink by cooling or warming them. <P>SOLUTION: The power consumption is reduced and the warming deterioration of the hot drink is prevented by constituting the automatic vending machine of a cooling system 140 arranged so that article storages 120, 122, 124 sectioned by an adiabatic wall 130 can be cooled, a warming system 180 arranged so that the article storages 122, 124 can be warmed at temperature lower than selling temperature of hot articles and a rapid heating means 205 for heating the hot articles to the selling temperature at the time of sale. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a vending machine that sells products such as can drinks after cooling or heating.

  In recent years, demands for reducing power consumption for vending machines have increased.

  One of the conventional means for reducing power consumption of vending machines is one that uses waste heat generated by cooling (see, for example, Patent Document 1).

  The conventional vending machine will be described below with reference to the drawings.

  FIG. 5 is a refrigerant circuit diagram of a conventional vending machine. As shown in FIG. 5, the heat source side unit 22 having the compressor 10 and the heat source side heat exchanger 20 and the use side units 36, 38, and 40 having the use side heat exchangers 30, 32, and 34 are provided. The heat exchanger 20 is branched and connected to the refrigerant discharge pipe 50 and the refrigerant suction pipe 52 of the compressor 10 via switching valves 54 and 56. A high pressure gas pipe 60 branchedly connected to the refrigerant discharge pipe 50, a low pressure gas pipe 62 branchedly connected to the refrigerant suction pipe 52, and a liquid pipe 64 connected to the heat source side heat exchanger 20 are provided. The use side heat exchangers 32 and 34 are branched and connected to the high pressure gas pipe 60 and the low pressure gas pipe 62 through switching valves 70, 72, 74 and 76, respectively, and the use side units 36, 38 and 40 are respectively connected to the vending machine. It is arranged in each warehouse.

  The operation of the vending machine configured as described above will be described below.

First, when all the interiors are cooled, the switching valves 54, 72, and 76 are opened and the switching valves 56, 70, and 74 are closed, so that the refrigerant discharged from the compressor 10 passes through the refrigerant discharge pipe 50. Then, after flowing through the heat source side heat exchanger 20 acting as a condenser, it is distributed to the respective use side heat exchangers 30, 32, 34 acting as an evaporator via the liquid pipe 64, and flows again in the low pressure gas pipe 62. It merges and is sucked into the compressor 10 through the refrigerant suction pipe 52. Thereby, all the interiors are cooled. Next, when the inside of the cabinet in which the use side units 36 and 38 are arranged is cooled and the inside of the cabinet in which the use side units 40 are arranged is heated, the switching valves 54, 72 and 74 are opened and switched. By closing the valves 56, 70, 76, a part of the refrigerant discharged from the compressor 10 flows through the heat source side heat exchanger 20 acting as a condenser via the refrigerant discharge pipe 50, and the remaining refrigerant is a high-pressure gas. The refrigerant that has condensed in each heat exchanger flows to the utilization side heat exchangers 30 and 32 that act as evaporators via the liquid pipe 64 and flows again through the utilization side heat exchanger 34 that acts as a condenser via the pipe 60. The low-pressure gas pipes 62 join together and are sucked into the compressor 10 through the refrigerant suction pipe 52. Thereby, the interior in which the use side units 36 and 38 are disposed is cooled, and the interior in which the utilization side unit 40 is disposed is heated.
JP 2001-84447 A

  However, the above-described conventional configuration has a problem that the use-side heat exchanger acts as both an evaporator and a condenser, resulting in insufficient capacity in either cooling or heating. In addition, there is a problem that it is necessary to perform heating assistance with an auxiliary heater when the ability is insufficient during heating, and the power consumption cannot be significantly reduced. Furthermore, the above-described conventional configuration heats the entire interior to 55 ° C., which is the selling temperature of hot beverages, during heating, and the contents of the product heated to a high temperature for a long time are altered and deteriorated. There was a problem.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the conventional problems and to provide a vending machine that reduces power consumption and prevents deterioration of products due to heating.

  The invention according to claim 1 of the present invention has a plurality of product storages, cools or heats the products put in the product storages, and carries out the product selected by the user to the sales outlet. In a vending machine that sells and sells, a cooling system in which the inside of the product storage for storing cold products can be cooled, and the inside of the product storage for storing hot products can be heated to a temperature lower than the selling temperature. Since it is equipped with the arranged heating system and rapid heating means that heats hot products selected by the user and delivered to the sales outlet to the sales temperature, the cooling system and the heating system are configured as separate systems Because it can be used, there is no shortage of capacity due to either cooling or heating, and hot products are kept at a temperature lower than the sales temperature and heated to the sales temperature immediately before being taken out. It is possible to reduce, such an action can prevent the deterioration of the product due to heating.

  The invention described in claim 2 has a plurality of product storages, cools or heats the products put in the product storages, and carries the products selected by the user to a sales outlet for sale. In the vending machine, a cooling system in which the inside of the product storage for storing cold products is cooled and a heating system in which the inside of the product storage for storing hot products can be heated to a temperature lower than the selling temperature. Since it is equipped with a temperature system and a local heating means for heating a predetermined number of hot products before sales to the sales temperature, the cooling system and the heating system can be configured as separate systems, so either cooling or heating In addition, there is no shortage of capacity, and hot products other than the predetermined number before sale are kept at a temperature lower than the selling temperature, so that power consumption during keeping can be reduced and heating is performed. It has the effect that it is possible to prevent the deterioration of the product due.

  The invention according to claim 3 is the invention according to claim 1 or claim 2, wherein when at least one of the product storages is in a heating mode, a boundary is set at a substantially center of the product storage in the heating mode. Since the upper part of the product storage is an upper heating layer and the lower part of the product storage is divided to be a lower heating layer, the upper part with a temperature gradient in the product storage The product can be kept warm at a low temperature to reduce the power consumption at the time of keeping warm, and the product can be prevented from deteriorating due to heating.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein at least one of the compressor constituting the cooling system and the compressor constituting the heating system is operated. Since the inverter compressor has a frequency conversion means, the evaporating temperature can be drastically reduced by increasing the operating frequency only when cooling or heating capacity is required at the maximum, such as during startup, and decreasing the operating frequency when stable. In addition, it has the effect of suppressing rapid fluctuations and improving system efficiency.

The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the condenser constituting the cooling system and the evaporator constituting the heating system are respectively arranged outside the commodity storage. Has a function of improving the efficiency of each system.
The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein different refrigerants are used in the cooling system and the heating system, and the optimum refrigerant is used in each system. Thus, the system efficiency can be improved.

  The invention according to claim 7 is the invention according to claim 6, wherein a hydrocarbon-based natural refrigerant is used as a refrigerant for a cooling system, and carbon dioxide is used as a refrigerant for a heating system. By using an optimum natural refrigerant for the system, the system efficiency is improved, the ozone layer of the earth is not destroyed, and global warming is prevented.

  As described above, according to the first aspect of the present invention, since the cooling system and the heating system can be configured as separate systems, there is no shortage of capacity due to either cooling or heating, and hot products are sold. Since the temperature is kept lower than the temperature and heated to the selling temperature immediately before carrying out, there is an effect of reducing power consumption at the time of keeping the temperature and preventing deterioration of the product due to heating.

  In the invention according to claim 2, since the cooling system and the heating system can be configured as separate systems, there is no shortage of capacity due to either cooling or heating, and there is no hot number other than the predetermined number before sales. Since the product is kept at a temperature lower than the selling temperature, it has the effect of reducing power consumption during the insulation and preventing the product from being deteriorated due to heating.

  The invention according to claim 3 has an effect of providing a temperature gradient in the product storage case to keep the product in the upper part at a low temperature and reducing power consumption at the time of keeping warm and preventing deterioration of the product due to heating. .

  The invention according to claim 4 raises the operating frequency only when the cooling capacity or the heating capacity is required at the maximum, such as at the time of starting, and lowers the operating frequency when it is stable. This has the effect of suppressing the problem and improving the system efficiency.

  In addition to the effect described in any one of claims 1 to 4, the invention described in claim 5 constitutes a condenser and a heating system that constitute a cooling system respectively disposed outside the product storage. It has means for exchanging heat in the evaporator, and has the effect of improving the system efficiency of each.

  In addition to the effect described in any one of claims 1 to 5, the invention described in claim 6 uses different refrigerants in the cooling system and the heating system, and the optimum refrigerant in each system By using, there is an effect of improving the system efficiency.

  In addition to the effect described in claim 6, the invention described in claim 7 uses a hydrocarbon-based natural refrigerant as a refrigerant in a cooling system and carbon dioxide as a refrigerant in a heating system. By using a natural refrigerant that is optimal for each system, the system efficiency is improved, the ozone layer of the earth is not destroyed, and global warming is prevented.

The invention according to claim 1 has a plurality of product storages, cools or heats the products put in the product storages, and delivers the products selected by the user to a sales outlet for sale. In the vending machine, a cooling system in which the inside of the product storage for storing cold products is cooled and a heating system in which the inside of the product storage for storing hot products can be heated to a temperature lower than the selling temperature. Since it is equipped with a temperature system and a rapid heating means that heats hot products selected by the user and delivered to the sales outlet to the sales temperature, the cooling system and the heating system can be configured as separate systems, so cooling In addition, there is no shortage of capacity due to either heating, and hot products are kept at a temperature lower than the sales temperature and heated to the sales temperature just before unloading, thus reducing power consumption during heat insulation. The invention according to claim 2 has a plurality of product storages, and cools or heats the products put in the product storages. In a vending machine that warms and sells a product selected by a user to a sales outlet, a cooling system in which the inside of the product storage for storing cold products is arranged to be cooled, and the product for storing hot products A cooling system comprising a heating system arranged so that the inside of the storage can be heated to a temperature lower than the sales temperature, and a local heating means for heating a predetermined number of hot products before the sales to the sales temperature. And the heating system can be configured as separate systems, so there is no shortage of capacity due to either cooling or heating, and hot products other than the specified number before sales are at a lower temperature than the sales temperature. In so incubation it is possible to reduce power consumption during incubation, it is possible to prevent deterioration of the product due to heating.

  The invention according to claim 3 is the invention according to claim 1 or claim 2, wherein when at least one of the product storages is in a heating mode, a boundary is set at a substantially center of the product storage in the heating mode. Since the upper part of the product storage is an upper heating layer and the lower part of the product storage is divided to be a lower heating layer, the upper part with a temperature gradient in the product storage This product can be kept warm at a low temperature to reduce power consumption at the time of keeping warm, and deterioration of the product due to heating can be prevented.

The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein at least one of the compressor constituting the cooling system and the compressor constituting the heating system is operated. Since the inverter compressor has a frequency conversion means, the evaporating temperature can be drastically reduced by increasing the operating frequency only when cooling or heating capacity is required at the maximum, such as during startup, and decreasing the operating frequency when stable. In addition, it has the effect of suppressing rapid fluctuations and improving system efficiency.
The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the condenser constituting the cooling system and the evaporator constituting the heating system are respectively arranged outside the commodity storage. It is possible to improve the efficiency of each system.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein different refrigerants are used in the cooling system and the heating system, and the optimum refrigerant is used in each system. As a result, system efficiency can be improved.

  The invention according to claim 7 is the invention according to claim 6, wherein a hydrocarbon-based natural refrigerant is used as a refrigerant for a cooling system, and carbon dioxide is used as a refrigerant for a heating system. By using an optimum natural refrigerant for the system, the system efficiency can be improved, the ozone layer of the earth can be destroyed, and global warming can be prevented.

  Embodiments of a vending machine according to the present invention will be described below with reference to the drawings. Here, about the same structure as the past, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a schematic configuration diagram of a vending machine cooling system and a heating system according to an embodiment of the present invention as seen from the front of the vending machine.

  FIG. 2 is a schematic configuration diagram of the heating system and the rapid heating means of the vending machine according to the embodiment viewed from the right side of the vending machine.

  FIG. 3 shows the relationship between the cycle efficiency and the suction temperature of a heat pump cycle using R744 (carbon dioxide) which is a refrigerant of the heating system.

  In FIG. 1, the vending machine 110 has a product storage 120 dedicated to cooling on the upper left side, product storages 122 and 124 capable of switching between cooling and heating on the middle and right sides of the upper part, and a machine room 126 on the lower part. doing. Each product storage 120, 122, 124 is insulated from the outside and the machine room 126 by a heat insulating wall 130. Similarly, each product storage 120, 122, 124 is insulated by the heat insulating walls 132, 134 so as to have a desired temperature space. It becomes. In each of the product storage boxes 120, 122, and 124, sales products 136 such as canned drinks are stored.

  In addition, the cooling system 140 includes a compressor 142, a condenser 144, electromagnetic valves 146, 148, 150 that can open and close a flow path, capillary heat transfer tubes 152, 154, 156 as decompression means, 120 in each commodity storage, The evaporators 158, 160, 162 arranged in 122, 124 are connected to an annular circuit by piping, and here, R600a (isobutane), which is a kind of hydrocarbon-based natural refrigerant, is enclosed to constitute a cooling cycle. ing. Blower fans 164, 166, 168, 170 are provided on the condenser 144 and the evaporators 158, 160, 162 side.

  Further, the heating system 180 is arranged at the lower part in the compressor 182, the evaporator 184, the electromagnetic valves 186 and 188 capable of opening and closing the flow path, the expansion valves 190 and 192 as pressure reducing means, and the product storage boxes 122 and 124. The first gas coolers 194 and 196 provided, and the second gas coolers 198 and 200 provided on the upper part are connected to a ring circuit by piping, and R744 (carbon dioxide) is sealed here to perform a heating cycle. It is composed. Blower fans 202 and 204 are provided on the side of each gas cooler 198 and 200. Here, the outlet temperatures of the first gas coolers 194 and 196 are set to 35 ° C., and the outlet temperatures of the second gas coolers 198 and 200 are set to 35 ° C. or less.

  Further, the condenser 144 and the evaporator 184 are configured to exchange heat by means of heat exchange means such as a heat pipe (not shown).

  The can beverage 136 heated by the heating system 180 is heated to the sales temperature by the rapid heating means 205 at the time of sale. In the present embodiment, the rapid heating means 205 is configured by an induction heating device, and heats the canned beverage 136 by induction heating a can wall configured by a magnetic body, thereby rapidly heating the content beverage.

Further, in FIG. 2, for example, air passages 210 and 212 are provided so that the upper center is the upper heating layer 214 and the lower portion is the lower heating layer 216 with the approximate center of each product storage 122 and 124 as a boundary. It is configured to divide. When selling a hot beverage, the can beverage is set on the heating coil 206 of the rapid heating means 205 by a carry-out mechanism (not shown), and a high frequency current is passed through the heating coil 206 to heat the can beverage 136.
The can beverage 136 heated to the sales temperature is discharged to the sales outlet 207.

  The operation of the vending machine configured as described above will be described below.

  First, when cooling the product storage 120, by opening the electromagnetic valve 146 and closing the electromagnetic valves 148 and 150, the refrigerant discharged from the compressor 142 flows as shown by the arrows and flows into the condenser 144. The heat is indirectly exchanged with the outside air blown by the fan 164 and liquefies itself, passes through the open electromagnetic valve 146, is decompressed by the capillary heat transfer tube 152, and flows into the evaporator 158.

  Here, heat is indirectly exchanged with the air in the space in the product storage box 120 blown by the fan 166, and the cycle of vaporizing itself and returning to the compressor 142 is repeated.

  In this way, the air in the space in the product storage box 120 is gradually cooled, and the sales product 136 in contact with the cooling air is gradually cooled to reach a desired temperature (5 ° C.).

  In addition, since the same operation | movement is performed also at the time of cooling of goods storage 122,124, description is abbreviate | omitted here.

  On the other hand, when the product storage 124 is heated, the solenoid valve 188 is opened and the solenoid valves 150 and 186 are closed, whereby the refrigerant discharged from the compressor 182 flows as shown by the arrows, and the opened solenoid valve 188. And then flows into the first gas cooler 196 and indirectly exchanges heat with the air in the lower space in the product storage box 124 blown by the fan 170, thereby lowering the temperature itself, and further the second gas The heat flows into the cooler 200 and indirectly exchanges heat with the air in the upper space of the product storage box 124 blown by the fan 204, so that the temperature further decreases, the pressure is reduced by the expansion valve 192, liquefies, and the evaporator 184 flows into.

  In this embodiment, since the heating system refrigerant is carbon dioxide, a gas cooler and an expansion valve are used. However, when a refrigerant that condenses is used, a condenser or a capillary heat transfer tube is used. Will be.

  Here, heat is indirectly exchanged with the outside air blown by the fan 164 to vaporize itself and return to the compressor 182 again.

In this way, the air in the space in the product storage 124 is gradually heated, and the sales product 136 in contact with the heated air is also gradually heated to reach a desired temperature.
Here, the target temperature by the heating system is set to about 35 ° C., and when selling a hot beverage, the can beverage is set on the heating coil 206 of the rapid heating means 205 by a carry-out mechanism (not shown) and is the selling temperature. Heat to 55 ° C. and discharge to sales outlet 207.

  In addition, since the same operation | movement is performed also when the goods storage 122 is heated, description is abbreviate | omitted here.

  Further, in the present embodiment, the product storage 120 is dedicated to cooling, but it may be a product storage that can be switched between cooling and heating. In that case, the first gas cooler and the second A gas cooler will be arrange | positioned in the goods storage 120. FIG.

  In this way, by performing cooling and heating by independent systems, it becomes possible to optimize the respective capacities, and cooling and heating can be performed without excess or deficiency. Further, the inside of the product storage 122, 124 storing hot products is heated and kept at 35 ° C., which is lower than the sales temperature, and is heated to the sales temperature 55 ° C. by the rapid heating means 205 at the time of sale. It is possible to reduce power consumption at the time of heat retention, and it is not necessary to store the can beverage at a high temperature for a long time, so that deterioration of the product due to heating can be prevented.

  Further, when the gas cooler of the heating system 180 is arranged in one stage, in order to set the product storage boxes 122 and 124 to a desired temperature, for example, 35 ° C., the gas cooler outlet temperature needs to be 35 ° C. or higher. Ability is reduced. Therefore, as in the first embodiment, the gas coolers of the heating system 180 are divided into two stages and connected in series, so that the first gas coolers 194 and 196 disposed in the lower parts of the product storage boxes 122 and 124 are provided. The system efficiency can be improved by setting the outlet temperature to 35 ° C. and the outlet temperature of the second gas coolers 198 and 200 disposed in the upper parts of the product storage units 122 and 124 to be lower, and the product storage unit By providing a temperature gradient in 122 and 124, power consumption during heat insulation can be further reduced, and deterioration of the product due to heating can also be prevented.

  Further, by providing the air passages 210 and 212 with the substantially center of the product storage boxes 122 and 124 as a boundary, the air heated by the first gas coolers 194 and 196 is substantially centered from the bottom of the product storage boxes 122 and 124. The air is sucked into the air passage 212, passes through the first gas coolers 194 and 196 again, circulates, and the air heated by the second gas coolers 198 and 200 flows from the upper parts of the product storage boxes 122 and 124. It descends to substantially the center, is sucked into the air passage 210, passes through the second gas coolers 198 and 200 again, and circulates. As a result, the upper parts of the product storage boxes 122 and 124 can be divided into the upper heating layer 214 and the lower part can be the lower heating layer 216, so that a temperature gradient can be more effectively applied.

  In this embodiment, since R600a is used as the refrigerant of the cooling system 140 and R744 is used as the refrigerant of the heating system 180, high efficiency can be obtained in each system. Global warming can be prevented. As shown in FIG. 3, by using R744 as the refrigerant of the heating system 180, a cycle efficiency of 2.25 is obtained with respect to a suction temperature of 35 ° C. From a cycle efficiency of 1.5 when the suction temperature is 55 ° C. Get higher. Furthermore, the compressor 182 can be reduced in size.

  In the present embodiment, the hydrocarbon-based natural refrigerant used in the cooling system 140 is R600a, but other refrigerants such as R290 or a mixed refrigerant of R600a and R290 are also conceivable.

  Further, since the compressors 142 and 182 are inverter compressors having operating frequency conversion means, the operating frequency is set so that the sales product 136 can reach the desired temperature in a short time, such as at the time of start-up or product introduction. When the desired temperature is reached, the operating frequency can be lowered, thereby reducing the extreme evaporating temperature drop and rapid fluctuations and improving the system efficiency.

  Further, by exchanging heat between the condenser 144 and the evaporator 184, the system efficiency can be improved, and the evaporator 184 can be defrosted effectively.

(Embodiment 2)
FIG. 4 is a configuration diagram of local heating means of the vending machine according to the embodiment of the present invention.
In addition, about the same structure as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  Canned beverages to be sold hot are heated to 35 ° C. in the product storage boxes 122 and 124 by the heating system 180, and a predetermined number (four cans in this embodiment) from the lower ends of the product storage boxes 122 and 124. It is heated to 55 ° C. which is a selling temperature by the local heating means 250. The local heating means 250 is composed of a surface heater or the like, and heats the can beverage to 55 ° C. by placing it in contact with or near the can beverage.

In such a configuration, when selling hot beverages, the carry-out shutter provided at the lower end of the product storage case 124 opens in the direction of the arrow, and is sequentially carried out from the lowermost can beverage.
In addition, by providing the air passages 210 and 212 with the substantially center of the product storage boxes 122 and 124 as a boundary, the air heated by the first gas coolers 194 and 196 is substantially centered from the bottom of the product storage boxes 122 and 124. The air is sucked into the air passage 212, passes through the first gas coolers 194 and 196 again, circulates, and the air heated by the second gas coolers 198 and 200 flows from the upper parts of the product storage boxes 122 and 124. It descends to substantially the center, is sucked into the air passage 210, passes through the second gas coolers 198 and 200 again, and circulates. Thereby, the upper part and the lower part of the product storage boxes 122 and 124 can be divided, and a temperature gradient can be applied more effectively.

  In this embodiment, the air passages 210 and 212 are provided as one of means for providing a temperature gradient in the product storage boxes 122 and 124, but a partition, an air curtain, or the like may be used.

  As described above, the vending machine of the present embodiment heats up to 4 cans before sale from the can beverage heated to 35 ° C. by the heating system 180 to the sales temperature of 55 ° C. by the local heating means 250, Since the air passages 210 and 212 create a temperature gradient in the upper and lower parts of the product storage boxes 122 and 124, it is possible to reduce power consumption during heat retention and to store canned beverages at a high temperature for a long time. It is possible to prevent deterioration of the product due to heating.

  As described above, in the vending machine according to the present invention, hot products are kept warm at a temperature lower than the selling temperature, and are heated up to the selling temperature immediately before carrying out. Therefore, it is possible to prevent the product from being deteriorated by the above-mentioned method, so that it can be applied to uses such as warmed beverage sales in a shoe case.

The schematic block diagram which looked at the cooling system and heating system of the vending machine by Embodiment 1 of this invention from the front of the vending machine The schematic block diagram which looked at the heating system and rapid heating means of the vending machine by Embodiment 1 of this invention from the right side surface of the vending machine. Relationship diagram between cycle efficiency and suction temperature of heating system of vending machine according to embodiment 1 of the present invention The schematic block diagram of the local heating means of the vending machine by Embodiment 2 of this invention Refrigerant circuit diagram of a conventional vending machine

Explanation of symbols

110 Vending machines 120, 122, 124 Product storage 136 Sales products (cans and beverages)
140 Cooling System 142 Compressor 144 Condenser 180 Heating System 182 Compressor 184 Evaporator 210, 212 Upper Heating Layer and Lower Heating Layer Dividing Means (Air Path)
214 Upper heating layer 216 Lower heating layer 205 Rapid heating means 207 Sales outlet 250 Local heating means

Claims (7)

Cold goods are stored in vending machines that have multiple product storages, cool or heat the products put in the product storages, and deliver the products selected by users to sales outlets for sale. A cooling system arranged so that the inside of the product storage can be cooled, a heating system arranged so that the inside of the product storage containing hot products can be heated to a temperature lower than the selling temperature, and when selling hot products A vending machine comprising rapid heating means for additional heating. Cold goods are stored in vending machines that have multiple product storages, cool or heat the products put in the product storages, and deliver the products selected by users to sales outlets for sale. A cooling system arranged so that the inside of the product storage can be cooled, a heating system arranged so that the inside of the product storage containing hot products can be heated to a temperature lower than the selling temperature, and a predetermined number before sale A vending machine comprising a local heating means for heating a hot product up to a sales temperature. When at least one of the product storages is in a heating mode, with the approximate center of the product storage in the heating mode as a boundary, the upper part of the product storage is an upper heating layer, and the lower part of the product storage is The vending machine according to claim 1 or 2, further comprising means for dividing the lower heating layer. The automatic according to any one of claims 1 to 3, wherein at least one of the compressor constituting the cooling system and the compressor constituting the heating system is an inverter compressor having an operation frequency conversion means. Vending machine. 5. The apparatus according to claim 1, further comprising means for exchanging heat between the condenser constituting the cooling system and the evaporator constituting the heating system respectively disposed outside the commodity storage. vending machine. The vending machine according to any one of claims 1 to 5, wherein different refrigerants are used in the cooling system and the heating system. The vending machine according to claim 6, wherein a hydrocarbon-based natural refrigerant is used as a refrigerant of the cooling system, and carbon dioxide is used as a refrigerant of the heating system.

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