KR20000055957A - A vending machine - Google Patents

Abstract

PURPOSE: A vending machine is provided to increase cooling efficiency of products, by independently cooling a can receiving closet and a snack receiving closet through an evaporator and a pan motor. CONSTITUTION: A vending machine comprises a cabinet(10), a can/snack receiving closet(13), and a cooler. The cabinet stores cans of drinks and snacks. The can/snack receiving closet receives the cans of the drinks and the snacks. The cooler generating a cool air. An evaporator(36)/a pan motor(38) are equipped in a lower side of the can/snack receiving closet. A guide duct equipped in an upper side of the evaporator guides the cool air to the can/snack receiving closet.

Description

Vending machine {A vending machine}

The present invention relates to a vending machine, and more particularly, to a vending machine for automatically storing goods such as cans and snacks in a cabinet without a seller.

In general, a vending machine is a device that automatically provides goods and services when a coin, a bill, or a card that replaces the same for a desired product is inserted into the inlet. Vending machines mainly sell beverages, tobacco, food, stamps, postcards, lotteries, etc., of which beverage vending machines dominate the mainstream. In addition, a combination vending machine that sells two or more products together, such as drinks, snacks, lottery tickets, and cigarettes, is frequently used.

An example of a vending machine that sells snacks and beverages among such complex vending machines is shown in FIG. 1.

As shown, a conventional vending machine includes a cabinet 10 and a cooling device 20.

The front surface of the cabinet 10 is opened, and the door 11 for opening and closing the front opening is rotatably fixed to one side of the front surface thereof.

The inside of the cabinet 10 includes a can storage box 12 in which a plurality of cans are stored, and a snack storage box 13 having a plurality of racks in which a plurality of snacks are stored. In the lower part of the cabinet 10, a chute 14 for guiding canned beverages and snacks to the discharge port of the door 11 is provided, and an apparatus chamber 15 is provided below the chute 14. Between the apparatus chamber 15 and between the apparatus chamber 15 and the chute 14, a cooling device 20 for generating cold air is provided.

A configuration diagram of the cooling device 20 is shown in FIG. 3, and the cooling device 20 maintains a constant temperature therein in order to freshen the goods stored in the can holder 12 and the snack holder 13. It is to keep it. The cooling device 20 includes a compressor 21 for compressing a heat exchange medium (hereinafter referred to as a refrigerant) to a high temperature, high pressure steam state, and a condenser for condensing the refrigerant compressed by the compressor 21 to a liquid state at room temperature and high pressure ( 22) a capillary tube 23 for reducing the refrigerant from the condenser 22 to a low temperature low pressure liquid state, and an evaporator for evaporating the refrigerant from the capillary tube 23 to a low temperature low pressure vapor state. It consists of 24.

At the rear of the condenser 22, a condenser fan motor 25 for forcibly blowing the condenser 22 is installed so that heat exchange is performed between the refrigerant flowing in the condenser 22 and the blown air.

And, in front of the evaporator 24, an evaporator fan motor 26 for sending the surrounding air which is changed to cold by the heat exchange action of the evaporator 24 to the can holder 12 and the snack holder 13 is provided. It is installed.

That is, the refrigerant compressed by the compressor 21 and moved to the condenser 22 is reduced in the liquid state of low temperature and low pressure while passing through the capillary tube 23 after heat exchange is performed in the condenser 22. Then, the refrigerant introduced into the evaporator 24 is evaporated in a gaseous state as heat exchange occurs between the air around the evaporator 24. As the refrigerant evaporates in the evaporator 24, the air around the evaporator 24 is converted into cold.

The cold air is circulated upward from the lower portion of the can holder 12 and the snack holder 13 in which cans and snacks are stored by the fan motor 26 for the evaporator provided in front of the evaporator 24.

On the other hand, the can drink is stored from the upper side of the can holder (12) is loaded and stored, the snacks are placed on the rack provided in multiple stages in the snack holder (13), respectively.

Here, the can drink is sold when the can drink at the bottom of the can holder 12 is sold at the time of sale, and after the can drink at the bottom of the can holder 12 is sold, the can drink on the can holder ( Supplied to the bottom of 12), the canned beverage is in a waiting state for sale. That is, the can drink is always sold at the bottom of the can holder 12 at the time of sale.

In addition, snacks are sold by dropping a snack placed on the rack of the snack holder 13 at the time of sale, the snack is dropped and sold at the position of the rack of the snack holder (13). In other words, the snacks placed on the rack on the upper side of the snack holder 13 are also sold on the upper side of the snack holder 13.

However, according to the conventional vending machine as described above, there are the following problems.

The interior of the can holder 12 and the snack holder 13 in which the cans and snacks are stored are gradually cooled from the bottom to the top by cold air circulated by the operation of the fan motor 26 for the evaporator.

Therefore, since the cold air is not transferred to the snack located at the upper portion of the snacks placed on the plurality of racks of the snack holder 13, the snack stored in the upper portion of the snack holder 13 is sold in a cool state. However, there was a problem in that consumers could not be supplied with fresh snacks.

Therefore, the present invention has been made in order to solve the above problems, the object of the present invention is to install the evaporator in each of the snacks and cans, the snack storage box and can storage box containing cans and snacks of different sales methods It is to provide a vending machine for cooling each independently.

1 is a front view showing a part of the conventional vending machine cut;

Figure 2 is a side cross-sectional view showing a conventional vending machine,

3 is a configuration diagram showing a refrigeration cycle of a cooling device applied to a conventional vending machine,

Figure 4a and 4b is a side cross-sectional view showing a vending machine according to the present invention,

5 is a configuration diagram showing a refrigeration cycle applied to the vending machine according to the present invention,

6 is a circuit diagram of a power supply unit of the vending machine according to the present invention.

Explanation of symbols on the main parts of the drawings

10; Cabinet 11; door

12; Can holder 13; Snack box

14; Chute 15; Equipment room

16,17; Guide duct 30; Chiller

31; Compressor 32; Condenser

33; Capillary tubing 34; Expansion valve

35,36; Evaporator 37,38; Fan motor

40; Thermostat 41; Overload Protection Relay

The vending machine according to the present invention for achieving the above object is a cabinet formed in the compartment for storing canned beverages and snacks, cans and snack storage boxes installed in the cans and snacks storage cans and snacks, In the vending machine including a cooling device which is installed in the equipment compartment partitioned into a chute in the bottom of the can and the snack compartment to generate cold air, an evaporator and a fan motor are respectively installed in the can compartment and the lower side of the snack compartment. A guide duct for guiding the cold air into the can and the snack storage compartment is installed at an upper side of the evaporator inside the can and the snack snack compartment, respectively, so as to independently cool the can and the snack storage compartment.

The fan motor inside the cans is installed to suck cold air from one side of the evaporator and send it to the bottom of the can storage box, and the fan motor of the snacks inside side sends cold air to the top of the snack container by blowing the evaporator on one side. Is installed.

The evaporator installed in the can and snack compartment is provided with a thermostat which prevents its temperature from falling below a set temperature, and the compressor is provided with an overload protection relay which prevents its overload.

According to the present invention, the can storage box and the snack storage box containing cans and snacks of different sales methods are independently cooled by the evaporator and the fan motor installed in the can and the snack compartment, respectively, thereby cooling the cans and snacks. Efficiency can be raised, thereby improving the reliability of the product on which the product is sold.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 4a and Figure 4b is a side cross-sectional view showing a brief interior of the vending machine according to the invention, Figure 5 is a block diagram showing a refrigeration cycle of the vending machine according to the invention, Figure 6 is a view of the vending machine according to the invention It is a circuit diagram of a power supply part.

As shown, the vending machine according to the present invention includes a cabinet 10, cans and snack boxes 12, 13, and a cooling device 30.

In the cabinet 10, two goods, for example, cans and cans, in which cans and snacks are stored, and cans and snack boxes 12 and 13, in which cans and snacks are arranged, are partitioned by partitions. The chute 14 which guides a can and a snack to the exit of the door 11 side is provided in the snack compartment and the lower side of a can store, and the apparatus room 15 is provided below this chute 14. In the apparatus chamber 15, a cooling device 30 for generating cold air is provided.

The configuration of the cooling device 30 is shown in FIG. 5, which is a compressor 31, a condenser 32, a capillary tube 33 and an expansion valve 34. Two evaporators (35, 36).

The compressor 31 compresses the refrigerant in a high temperature, high pressure steam state, and is provided below the cabinet 10. The condenser 32 condenses the refrigerant at high temperature and high pressure in a liquid state at room temperature and high pressure, and is installed in the vicinity of the compressor 31.

Two condensers 32 and 36 are connected to the condenser 32 by the capillary tube 33 and the expansion valve 34 and are installed in the can and the snack compartment.

Here, the capillary tube 33 and the expansion valve 34 depressurizes the refrigerant to a low temperature and low pressure in a liquid state, and the evaporators 35 and 36 evaporate the refrigerant to a low temperature and low pressure gas state.

In the vicinity of each evaporator (35, 36) installed in the cans and snacks to improve its evaporation action, a fan motor for guiding the cold air generated by the evaporators (35, 36) into the cans and snacks (37) (38) are provided, respectively.

On the upper side of the evaporator 36 installed in the snack compartment is provided a guide duct 16 for guiding the cold air to the upper portion of the snack storage box (13). In addition, a guide duct 17 is provided above the evaporator 35 provided in the can to guide the cold air circulated toward the evaporator 35.

Here, the fan motor 37 provided on the inner side of the can is provided to suck cold air from the evaporator 35 and to supply cold air to the lower side of the can holder 12. In addition, the fan motor 38 installed on the inside of the snack box is provided to blow the evaporator 36 to send cold air toward the guide duct 16 of the snack box.

On the other hand, the evaporator (35, 36) installed in the lower portion of the can and the snack compartment is provided with a thermostat (40) for detecting its temperature to prevent falling below a set temperature, the compressor (31) An overload protection relay 41 for detecting an overload is provided.

Referring to the operation of the vending machine according to the present invention configured as described above are as follows.

When the vending machine is operated, the refrigerant flowing into the evaporators 35 and 36 in the can and snack snacks is heat-exchanged by the fan motors 37 and 38 outside thereof, thereby surrounding the evaporators 35 and 36. Air is converted to cold.

Then, the cold air inside the snack high is guided to the upper guide duct 16 by the blowing of the fan motor 38 and is supplied to the upper portion of the snack container (13). Accordingly, the snack box 13 is cooled from the top to the bottom. On the other hand, the cold air inside the can be supplied to the lower portion of the can holder 12 by the suction action of the fan motor 37. Accordingly, the can holder 12 is cooled from the bottom to the top.

Therefore, since the snack storage box 13, in which the snacks sold by dropping from the stacked position are stored, is cooled from the upper side to the lower side, the snacks placed on the upper side of the snack storage box 13 and sold later are also sold in a fresh state. Product reliability can be improved.

As described above, according to the automatic vending machine according to the present invention, an evaporator for generating cold air is provided in the can and the snack compartment, respectively, and a guide duct is installed in the upper part of the evaporator, and the snack storage box is moved from the upper part to the lower part. By cooling, the can holder is cooled from the bottom to the top, there is an advantage that can be supplied freshly to the consumer snacks that are located on the top of the snack holder to be sold later.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (3)

A cabinet is formed in the compartment for storing canned beverages and snacks, Cans and snacks storage compartments installed in the cans and snacks, and cans and snacks storage compartments, and a compartment in the lower compartment of the cans and snacks In the vending machine including a cooling device installed to generate cold air, The apparatus chamber is provided with a compressor and a condenser for compressing and condensing refrigerant, and an evaporator and a fan motor are respectively installed in the can compartment and the lower portion of the snack compartment, and the can and the upper part of the evaporator inside the can and snack compartment. A guide duct for guiding cold air into a snack storage box is installed to independently cool the can and the snack storage box. The vending machine of claim 1, wherein the fan motor inside the snack hight is installed to blow toward the evaporator, and the fan motor inside the can hight is installed to suck air from the evaporator. According to claim 1, wherein the compressor of the cooling device is provided with an overload protection relay to prevent overload, and the evaporator in the snack compartment and the canister is a thermostat which prevents the temperature thereof from falling below the set temperature rises. Vending machine, characterized in that provided.