KR101301657B1 - Milk dispenser - Google Patents

Abstract

A milk supply system is disclosed. Milk supply system of the present invention, the milk pack refrigerated storage unit for storing the milk pack refrigerated; A milk supply line disposed at one end of the milk pack refrigeration storage unit and immersed in milk in the milk pack, and at the other end of the milk pack refrigeration storage unit to supply milk in the milk pack; A milk heating unit disposed on one side of the milk supply line to heat the milk supplied along the milk supply line; A milk foaming unit for foaming the milk heated by the milk heating unit; And a line washing unit selectively connected to the milk supply line at one side of the milk supply line to wash the internal flow path of the milk supply line.

Description

Milk supply system {Milk dispenser}

The present invention relates to a milk supply system, and more specifically, not only can store the perishable milk as a milk pack for a long time as it is easy to wash the milk supply line to which milk is supplied to drink various types of coffee It is possible to increase the convenience of the user, and more particularly to a milk supply system that can improve the work efficiency by making a series of operations for supplying the heated milk more convenient than conventional.

Conventional coffee making apparatus is provided with a raw material container for storing coffee powder, sugar and prim, etc. corresponding to the raw material of the coffee, and when the desired type of coffee is selected by the user, the selected coffee is mixed by mixing a predetermined amount of raw material. To provide.

The coffee provided through this type of coffee making machine is limited to, for example, milk coffee, prim coffee, or black coffee, so that the user has a narrow choice.

As the standard of living improves, various types of coffee are released and used. In other words, coffee powder, sugar, and prim ingredients are mixed with each other, and the coffee extract is extracted from simple coffee varieties such as milk coffee, prim coffee, or black coffee, and various additives are added to cappuccinos and cafes. Various coffees such as latte, café mocha and caramel macchiato have been released and are being consumed by consumers.

Coffee such as cappuccino, café latte, caffe mocha, caramel macchiato, etc. cannot be prepared by mixing sugar or prim in the coffee powder, and in particular, various additives, including milk, must be prepared while mixing in order as required. Because it can provide taste and aroma, it is difficult for an untrained non-specialist to make it arbitrarily. Thus, coffee is generally purchased through a coffee shop.

Meanwhile, in order to supply hot milk instead of cold milk to coffee extracted from a coffee maker such as an espresso machine, every time an order is received, the chilled milk stored in the refrigerator is removed from the refrigerator and installed next to the espresso machine. The air is heated up and then supplied to the coffee, and every time an order is taken to the refrigerator to remove or replenish milk, it causes considerable inconvenience and hassle. Therefore, there is a need for a new type of milk supply system that makes it possible to carry out a series of tasks to supply heated milk more conveniently, thereby improving work efficiency and further reducing labor costs.

An object of the present invention, not only can store the perishable milk as a milk pack for a long time as well as easy to wash the milk supply line is supplied with milk can increase the convenience of the user to drink a variety of coffee, in particular It is to provide a milk supply system that can perform a series of operations for supplying the heated milk more conveniently than the conventional to improve the work efficiency.

According to an aspect of the invention, the milk pack refrigerated storage unit for the milk pack refrigerated; A milk supply line disposed at one end of the milk pack refrigeration storage unit and immersed in the milk in the milk pack, and at the other end of the milk pack refrigeration storage unit to supply milk in the milk pack; A milk heating unit disposed at one side of the milk supply line to heat milk supplied along the milk supply line; A milk foaming unit for foaming the milk heated by the milk heating unit; And a line washing unit selectively connected to the milk supply line at one side of the milk supply line to wash the internal flow path of the milk supply line.

The milk pack refrigeration storage unit may include: a first unit casing in which a milk pack storage space in which the milk pack is stored is formed, and sidewalls are filled with a heat insulating material; A door detachably coupled to one side of the first unit casing to selectively open and close the milk carton storage space; And a Peltier module provided at the other side of the first unit casing to cool and maintain the milk pack storage space.

The door may be disposed above the first unit casing, the Peltier module may be disposed below the first unit casing, and the Peltier module may be disposed in a lower region of the first unit casing where the Peltier module is disposed. A cooling block may be provided that separates the area where the milk pack storage space is disposed from the cold pack storage space and transfers cool air from the Peltier module to the milk pack storage space.

The side wall of the first unit casing may include a cylindrical portion having the same upper and lower widths; And a cone formed at a lower portion of the cylindrical portion, the width of which is gradually narrowed toward the Peltier module.

A milk pack buffer space may be further provided inside the first unit casing to surround the milk pack storage space.

The Peltier module may include a peltier device disposed toward the cooling block; A heat sink coupled to the Peltier element at opposite sides of the cooling block with the Peltier element interposed therebetween; And a cooling fan connected to the heat sink.

The milk pack refrigerating storage unit may further include a milk pack combining line coupled to the milk supply line is coupled to the milk pack to deliver the milk in the milk pack to the milk supply line.

The milk heating unit may include a second unit casing having a portion of the milk supply line disposed therein and having sidewalls filled with a heat insulating material; And coupled to the second unit casing may include a heater for heating the space in the second unit casing.

A portion of the milk supply line disposed in the second unit casing may be arranged in a zigzag shape.

A temperature sensor coupled to the second unit casing for sensing a temperature in the second unit casing; And a controller configured to control an operation or an intensity of the heater based on the sensing signal of the temperature sensor.

The milk foaming unit, the air pump (air pump) disposed on one side of the milk supply line; And a bubble nozzle connected to the air pump and disposed toward the milk supply line.

The milk supply line in which the foam nozzle is disposed may be provided with a two way valve.

The line washing unit, the tank for storing the washing water therein; A washing water supply line having one end immersed in the washing water in the tank and the other end exposed to the outside of the tank; And a three-way valve coupled to a region where the washing water supply line and the milk supply line are connected.

The tank may be provided with a water level sensor for detecting the water level of the washing water.

A pump for pumping the milk flowing along the milk supply line may be coupled to the milk supply line, and an end of the milk supply line may discharge the milk foam formed into the foam by the milk foaming unit. A plurality of milk discharge lines may be connected, and each of the milk discharge lines may be coupled to a milk foam discharge nozzle for discharging the milk foam.

A nozzle head supporting the milk foam discharge nozzle; And a head moving part which moves the nozzle head in at least one direction.

A plurality of syrup cartridges in which syrups are stored by type; A plurality of first syrup supply lines connected to each of the syrup cartridges to supply corresponding syrups; A plurality of peristaltic valves respectively provided at ends of the plurality of first syrup supply lines; A single second syrup supply line connected to the plurality of peristaltic valves; And a three-way valve connecting the second syrup supply line and the plurality of milk discharge lines.

It may further include a cartridge storage box for storing the plurality of syrup cartridges.

A plurality of powder boxes disposed at an end region of the milk supply line and storing powders according to types; A transfer screw rotatably disposed in the powder discharge port regions of the powder boxes; And a motor connected with the conveying screw to drive the conveying screw in the forward and reverse directions.

According to the present invention, not only the perishable milk can be refrigerated for a long time as it is, but also easy to wash the milk supply line is supplied with milk can increase the convenience of the user to drink a variety of coffee, in particular heating It is possible to improve the work efficiency by making it easier to perform a series of tasks for supplying the milk.

1 is a block diagram of a milk supply system according to an embodiment of the present invention.
FIG. 2 is an enlarged structural diagram of the powder box region shown in FIG. 1.
3 is a side structural view of FIG. 2.
4 is a block diagram of a milk supply system according to another embodiment of the present invention.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

1 is a configuration diagram of a milk supply system according to an embodiment of the present invention, Figure 2 is an enlarged structural diagram of the powder box region shown in Figure 1, Figure 3 is a side structural view of FIG.

Referring to these drawings, but mainly referring to Figure 1, the milk supply system of the present embodiment, the milk pack refrigerated storage unit 10 and the milk carton refrigerated storage unit 10, the milk pack is stored refrigerated storage unit 10 side milk It is immersed in the milk in the pack, the other end is disposed on the outside of the milk pack refrigeration storage unit 10 to supply milk in the milk pack and the milk supply line 20, which is disposed on one side of the milk supply line 20 Milk heating unit 30 for heating the milk supplied along the supply line 20, Milk foaming unit 40 for foaming the milk heated by the milk heating unit 30, Milk supply line 20 One side of the milk supply line 20 is selectively connected to the washing line 50 for washing the inner flow path of the milk supply line (20).

In Figure 1, the milk supply system of the present embodiment is shown as a schematic system structure, but the milk supply system of the present embodiment can be applied to a coffee production apparatus capable of providing coffee such as cappuccino, café latte, cafe mocha, caramel macchiato, and the like. .

For example, when the cappuccino making button provided in the coffee making device is pressed, the coffee foam liquid (espresso) extracted from an espresso machine is foamed with milk froth, which is foamed with milk warmed by approximately 70 degrees to 80 degrees Celsius by the milk supply system of this embodiment. Cappuccino can be obtained by adding about 1/3 of the stock solution and then sprinkling cinnamon.

If the caramel macchiato button is prepared, caramel macchiato can be obtained by sprinkling caramel syrup on the surface instead of cinnamon powder. Other types of coffee are also manufactured in a corresponding way.

Hereinafter, looking at each configuration including the milk supply system of the present embodiment, first, the milk pack refrigeration storage unit 10 forms a place where the milk pack is refrigerated.

The conventional milk supply system has no configuration for refrigerated milk, so the milk pack is prepared and used separately from the milk supply system, or even if there is a cold storage container has been used to put the milk in the cold storage container was inevitable to use.

However, in the present embodiment, since the milk pack purchased in the mart can be used as it is, the user's convenience may be much increased than before.

The milk pack refrigeration storage unit 10 includes a milk pack storage space 10a in which a milk pack is stored, and a first unit casing 11 and a first unit casing 11 in which sidewalls are filled with a heat insulating material. Peltier module detachably coupled to one side of the door 12 for selectively opening and closing the milk carton storage space (10a) and provided on the other side of the first unit casing (11) to cool the milk carton storage space (10a) (13).

Since the side wall of the first unit casing 11 is filled with a heat insulating material (a part hatched in FIG. 1), the cool air in the first unit casing 11 is hardly transferred to the outside, thereby providing a space in the first unit casing 11. You can keep it cold.

A milk pack storage space 10a is formed inside the first unit casing 11, and a milk pack buffer space 10b is formed around the milk pack storage space 10a. When the milk carton buffer space 10b is formed as in the present embodiment, the milk carton may be stored in advance and thus may be convenient for use.

Inside the milk pack refrigeration storage unit 10 of the present embodiment is directly coupled to the milk pack in order to deliver the milk in the milk pack to the milk supply line 20, the milk pack coupling line 15 is connected to the milk supply line 20 ) Is further provided. In some cases, the milk pack combining line 15 may be regarded as a part of the milk supply line 20.

However, when the milk pack combining line 15 is further provided, a union (not shown) may be interposed therebetween for easy coupling between the milk pack combining line 15 and the milk supply line 20.

The side wall of the first unit casing 11 has a cylindrical portion 11a having the same upper and lower widths, and a cone portion 11b formed at the lower portion of the cylindrical portion 11a and gradually narrowing toward the Peltier module 13. ).

By presenting a structural feature in which the Peltier module 13 is partially arranged in a space within a narrow width of the cone portion 11b, it is possible to structurally prevent the phenomenon of cold air generated from the Peltier module 13.

In the milk carton refrigeration storage unit 10, the door 12 is disposed above the first unit casing 11, and the Peltier module 13 is disposed below the first unit casing 11. However, since the scope of the present invention is not limited to the shape of the drawings, the positions of the door 12 and the Peltier module 13 may be changed.

In the lower region of the first unit casing 11 in which the Peltier module 13 is disposed, the region in which the Peltier module 13 is disposed and the milk carton storage space 10a and the milk carton buffer space 10b are isolated, but the Peltier module ( A cooling block 11c is provided to transfer the cold air from 13 to the milk carton storage space 10a and the milk carton buffer space 10b. The cooling block 11c may be made of an aluminum material which is light and has excellent thermal conductivity.

The Peltier module 13 is a Peltier element 13a, 31b, peltier disposed toward the cooling block 11c, and the Peltier element 13 on the opposite side of the cooling block 11c with the Peltier elements 13a, 13b interposed therebetween. A heat sink 13c coupled to the 13a and 13b and a cooling fan 13d coupled to the heat sink 13c.

The Peltier elements 13a and 13b are semiconductor elements having a thin plate shape and both surfaces function as the heat absorbing portion 13a and the heat generating portion 13b, respectively, as shown. When the power is applied, the heat absorbing portion 13a absorbs the surrounding heat and falls below room temperature (usually below zero), while all of the heat lost electrical energy of the heat absorbing portion 13a is emitted from the heat generating portion 13b.

The heat sink 13c is in contact with the heat generating portion 13b to cool the heat dissipated from the heat generating portion 13b. The cooling fan 13d provides cooling air toward the heat sink 13c.

Next, the milk supply line 20 is one end is disposed on the side of the milk pack refrigerated storage unit 10 is immersed in the milk in the milk pack, the other end is disposed outside the milk pack refrigerated storage unit 10 is in the milk pack Feed the milk.

In order to supply milk, a pump 21 for pumping milk flowing along the milk supply line 20 is coupled on the milk supply line 20.

And the end of the milk supply line 20 is connected to a plurality of milk discharge line 22 which is discharged milk foam formed by the foam by the milk foaming unit 40.

In the present embodiment, two milk discharge lines 22 are disclosed but their number may be greater than two. At each end of the milk discharge lines 22, a milk foam discharge nozzle 23 through which milk foam is discharged is coupled.

Next, the milk heating unit 30 is disposed on one side of the milk supply line 20 to heat the milk supplied along the milk supply line 20.

The milk heating unit 30 is coupled to the second unit casing 31 and the second unit casing 31 having a portion of the milk supply line 20 disposed therein and having sidewalls filled with a heat insulating material. The heater 32 which heats the space in the casing 31 is included.

In this structure, a part of the milk supply line 20 disposed in the second unit casing 31 may be arranged in a zigzag shape. As such, when a part of the milk supply line 20 disposed in the second unit casing 31 is arranged in a zigzag shape, the heat transfer contact area increases in this region, so that the milk can be heated in a short time with low power.

The milk heating unit 30 includes a temperature sensor 33 coupled to the second unit casing 31 and sensing a temperature in the second unit casing 31, and a heater 32 based on a sensing signal of the temperature sensor 33. ) Or the intensity of control may be controlled by the controller.

For example, the milk should be heated to about 70 to 80 degrees Celsius by the heater 32. After the temperature sensor 33 senses the temperature at this time, the milk transmits the information to the controller. Then, the controller may control to turn on or increase the strength of the heater 32 so that the temperature of the milk passing through the second unit casing 31 may be heated to about 70 to 80 degrees Celsius. .

Next, the milk foaming unit 40 serves to foam the milk heated by the milk heating unit 30.

As described above, since foamed milk is used in cappuccino manufacturing, a milk foaming unit 40 is provided in the present system.

The milk foaming unit 40 is an air pump 41 disposed on one side of the milk supply line 20, and a foam nozzle connected to the air pump 41 but disposed toward the milk supply line 20 ( 42).

At this time, the two-way valve (45, 2 way valve) is provided in the milk supply line 20 in which the foam nozzle 42 is disposed. The two-way valve 45 may serve to suppress a phenomenon in which the milk foam which is not yet completed is discharged.

Next, the line washing unit 50 is selectively connected to the milk supply line 20 at one side of the milk supply line 20 to wash the internal flow path of the milk supply line 20.

As described above, conventionally, the structure for cleaning the milk supply line 20 is not properly equipped, and thus the user's convenience is reduced. In other words, an expert had to be put in to clean the line, or it had to be done through complicated equipment.

However, the line washing unit 50 of the present embodiment has a simple and efficient structure to wash the internal flow path of the milk supply line 20.

The line washing unit 50 has a tank 51 in which washing water is stored therein, and one end is immersed in the washing water in the tank 51, and the other end thereof is exposed to the outside of the tank 51. 3 way valves (53, 3 way valve) coupled to the supply line 52, the region for connecting the washing water supply line 52 and the milk supply line 20, and the water for washing provided in the tank 51 It includes a water level sensor 54 for detecting the water level.

The capacity of the tank 51 may be set in proportion to the number of milk cartons used. The three-way valve 53 blocks the milk toward the milk pack during the washing operation, and the washing water passes through the milk supply line 20 through the washing water supply line 52 and through the milk foam discharge nozzle 23. To be discharged. The milk supply line 20 connected to the milk pack may be separately washed or replaced with a new milk pack.

The level sensor 54 serves to detect the level of water for washing in the tank 51. If the amount of the washing water is less than the desired amount as a result of the sensing of the water level sensor 54, the washing water may be automatically supplied into the tank 51. Therefore, the tank 51 may be further formed with a supply unit (not shown) to be supplied with the washing water.

On the other hand, since the syrup is required to prepare caramel macchiato and the like, the milk supply system of this embodiment is further equipped with such a means.

That is, the milk supply system of the present embodiment includes a plurality of syrup cartridges 61 in which syrups are stored for each type, and a plurality of first syrup supply lines connected to the syrup cartridges 61 to supply corresponding syrups ( 62), a plurality of peristaltic valves 63 respectively provided at ends of the plurality of first syrup supply lines 62, and a single second syrup supply line 64 connected to the plurality of peristaltic valves 63; And a three-way valve 65 connecting the second syrup supply line 64 and the plurality of milk discharge lines 22.

The syrup cartridges 61 may be, for example, caramel syrup, chocolate syrup, etc., which may be stored in the cartridge storage box 66. The cartridge storage box 66 may also be a cold storage box, such as the Peltier module 13 described above.

The syrup provided from the syrup cartridges 61 can be supplied in line only when the type of coffee for which syrup is desired, such as caramel macchiato or the like, is selected.

In order to manufacture a cappuccino or the like, a powder such as cinnamon is required, so the milk supply system of this embodiment is further equipped with such a means.

That is, the milk supply system of the present embodiment, as shown in Figures 1 to 3, is disposed in the milk foam discharge nozzle 23 region, a plurality of powder box 71 and the powder such as cinnamon powder is stored by type , A feed screw 73 rotatably disposed in the powder discharge ports 72 of the powder boxes 71, and a motor 74 connected to the feed screw 73 to drive the feed screw 73 in the forward and reverse directions. Include.

All of the powder boxes 71 are made of a hopper type. That is, it has a hopper structure that is wider at the top and narrower at the bottom. The powder discharge port 72 may be manufactured in the form of a gumshoes to the outside of the powder box 71 at the lower end of the powder box 71. The size does not need to be large, and it is sufficient that the conveying screw 73 can be disposed inside and operated.

The feed screw 73 pushes the powder during rotation by the motor 74. Since the amount of powder discharged may vary according to the rotational speed and the rotational speed, the motor 74 which is responsible for the rotation of the conveying screw 73 may be controlled more precisely by the controller.

Referring to the operation of the milk supply system having such a configuration as follows.

First, when the cappuccino manufacturing button provided in the coffee making apparatus equipped with the present system is pressed, the milk warmed by the milk supply system of the present embodiment is foamed into the coffee stock solution (espresso) extracted from the espresso machine. The milk froth is then added to about one third of the coffee liquor. Then, the cappuccino can be obtained by providing cinnamon powder on either powder box 71 side.

If the caramel macchiato button is prepared, caramel macchiato may be obtained by being prepared in the same process as cappuccino, but by providing caramel syrup on one of the syrup cartridges 61 instead of cinnamon powder.

On the other hand, when used to some extent and press the washing button, the three-way valve 53 is operated by the control unit to block the milk toward the milk carton, the other two parts are opened. Then, the washing water in the tank 51 is discharged through the milk supply line 20 and the milk foam discharge nozzle 23 through the washing water supply line 52 so that the line can be washed. You can make coffee again.

If the milk is exhausted, after opening the door 12 of the milk carton refrigeration storage unit 10, take out the empty milk carton, put a new milk carton and close the door 12 again in terms of storage of milk In addition, in terms of refrigerated storage of milk does not spoil, it can provide a much better effect than the conventional.

As described above, according to the present embodiment, not only the perishable milk can be refrigerated for a long time as it is, but also easy to wash the milk supply line 20 to which milk is supplied. It is possible to increase, and in particular, a series of operations for supplying heated milk can be performed more conveniently than before, thereby improving work efficiency.

4 is a block diagram of a milk supply system according to another embodiment of the present invention.

Referring to this figure, a nozzle head 81 supporting the milk foam discharge nozzle 23 is provided around the milk foam discharge nozzle 23, and the nozzle head 81 is at least moved by the head moving part 82. The position can be moved in one direction.

The head moving part 82 may be applied by a chain method, a linear motor method, or a cylinder driving method. When the head moving part 82 is applied to move the nozzle head 81 in at least one direction, Shapes, such as heart-shaped milk froth, can give a more unusual effect.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

10: milk carton refrigerated storage unit 10a: milk carton storage space
10b: milk carton buffer space 11: the first unit casing
11c: cooling block 12: door
13: Peltier Module 20: Milk Supply Line
21: pump 22: milk discharge line
23: milk foam discharge nozzle 30: milk heating unit
31: second unit casing 32: heater
33: temperature sensor 40: milk foaming unit
41: air pump 42: foam nozzle
45: 2-way valve 50: line cleaning unit
51 tank 52 washing water supply line
53: 3-way valve 54: water level sensor
61 syrup cartridge 62 first syrup supply line
63: peristaltic valve 64: second syrup supply line
65: three-way valve 66: cartridge storage box
71: powder box 72: powder discharge port
73: feed screw 74: motor
81: nozzle head 82: head moving part

Claims (19)

A milk pack refrigeration storage unit in which the milk pack is refrigerated;
A milk supply line disposed at one end of the milk pack refrigeration storage unit and immersed in the milk in the milk pack, and at the other end of the milk pack refrigeration storage unit to supply milk in the milk pack;
A milk heating unit disposed at one side of the milk supply line to heat milk supplied along the milk supply line;
A milk foaming unit for foaming the milk heated by the milk heating unit; And
A line washing unit selectively connected to the milk supply line at one side of the milk supply line to wash the internal flow path of the milk supply line,
The line washing unit,
A tank in which washing water is stored therein;
A washing water supply line having one end immersed in the washing water in the tank and the other end exposed to the outside of the tank; And
And a three way valve coupled to an area where the washing water supply line and the milk supply line are connected. The method of claim 1,
The milk pack cold storage unit,
A first unit casing having a milk carton storage space in which the milk carton is stored, the side wall of which is filled with an insulating material;
A door detachably coupled to one side of the first unit casing to selectively open and close the milk carton storage space; And
And a Peltier module provided at the other side of the first unit casing to keep the milk pack storage space cooled. The method of claim 2,
The door is disposed above the first unit casing, the Peltier module is disposed below the first unit casing,
A cooling block separating the area where the Peltier module is disposed from the milk pack storage space in a lower area of the first unit casing in which the Peltier module is disposed, and transferring cold air from the Peltier module to the milk pack storage space Milk supply system provided with a block). The method of claim 2,
The side wall of the first unit casing,
A cylindrical portion having the same upper and lower widths; And
And a conical portion formed below the cylindrical portion, the width of which gradually narrows toward the Peltier module. The method of claim 2,
A milk supply system further comprising a milk pack buffer space around the milk pack storage space in the first unit casing. The method of claim 3,
The Peltier module,
A peltier disposed toward the cooling block;
A heat sink coupled to the Peltier element at opposite sides of the cooling block with the Peltier element interposed therebetween; And
And a cooling fan connected to the heat sink. The method of claim 1,
And a milk pack combining line coupled to the milk pack and connected to the milk supply line to transfer the milk in the milk pack to the milk supply line in the milk pack refrigeration storage unit. The method of claim 1,
The milk heating unit,
A second unit casing having a portion of the milk supply line disposed therein and having sidewalls filled with insulation; And
And a heater coupled to the second unit casing to heat a space in the second unit casing. 9. The method of claim 8,
And a portion of the milk supply line disposed in the second unit casing is arranged in a zigzag shape. 9. The method of claim 8,
A temperature sensor coupled to the second unit casing for sensing a temperature in the second unit casing; And
And a controller for controlling the operation or the intensity of the heater based on the sensing signal of the temperature sensor. The method of claim 1,
The milk foaming unit,
An air pump disposed on one side of the milk supply line; And
And a foam nozzle connected to the air pump and disposed toward the milk supply line. 12. The method of claim 11,
The milk supply system in which the foam nozzle is disposed is provided with a two-way valve (2 way valve). delete The method of claim 1,
The tank is a milk supply system further provided with a water level sensor for detecting the water level of the washing water. The method of claim 1,
On the milk supply line is coupled a pump (pump) for pumping the milk flowing along the milk supply line,
The end of the milk supply line is connected to a plurality of milk discharge line for discharging the milk foam formed by the foam by the milk foaming unit,
And a milk foam discharge nozzle for discharging the milk foam to each of the milk discharge lines. 16. The method of claim 15,
A nozzle head supporting the milk foam discharge nozzle; And
And a head moving part for moving the nozzle head in at least one direction. 16. The method of claim 15,
A plurality of syrup cartridges in which syrups are stored by type;
A plurality of first syrup supply lines connected to each of the syrup cartridges to supply corresponding syrups;
A plurality of peristaltic valves respectively provided at ends of the plurality of first syrup supply lines;
A single second syrup supply line connected to the plurality of peristaltic valves; And
And a three way valve connecting the second syrup supply line and the plurality of milk discharge lines. 18. The method of claim 17,
And a cartridge storage box for storing the plurality of syrup cartridges. The method of claim 1,
A plurality of powder boxes disposed at an end region of the milk supply line and storing powders according to types;
A transfer screw rotatably disposed in the powder discharge port regions of the powder boxes; And
And a motor connected to the transfer screw to drive the transfer screw in the forward and reverse directions.

Images