KR20200009669A - User Customized Semi-automatic Coffee Machine - Google Patents

Abstract

The present invention relates to a user-customized semi-automatic coffee machine comprising: a housing; a hot water boiler including a first heater; a portafilter; a group head; a second heater installed inside the group head; a pressure regulator; a sensor unit measuring the temperature and pressure of hot water; and a control unit controlling the pressure and temperature, wherein the control unit controls the pressure and temperature based on input coffee bean information. The user-customized semi-automatic coffee machine of the present invention can control the temperature, pressure, and amount of coffee extraction of the semi-automatic coffee machine depending on the type of coffee beans, roasting condition of the coffee beans, a blending ratio of the roasted beans, and grinding condition, and also can freely adjust the acidity, flavor, body, and aftertaste of the extracted coffee beans.

Description

User Customized Semi-automatic Coffee Machine

The present invention relates to a user-customizable semi-automatic coffee machine, and more particularly, a housing, a hot water boiler including a first heater, a pota filter, a group head, a second heater installed inside the group head, a pressure control unit, hot water It includes a sensor unit for measuring the temperature and pressure and a control unit for controlling the pressure and temperature, the control unit relates to a user-customized semi-automatic coffee machine to adjust the pressure and temperature based on the input beans information.

Coffee drinks made using coffee beans are divided into instant coffee and ground coffee. Methods of extracting coffee from coffee beans include filtration, decoction, brewing, and pressure extraction, and the most used are drip coffee, which is a filtration method, and espresso coffee, which is a pressure extraction method.

Espresso coffee is a very dark Italian coffee, in which the compressed air is extracted into a glass of Demtasse. The coffee is extracted by supplying high-pressure hot water to the ground coffee beans and extracting the coffee in a short time. to be.

The apparatus for extracting such espresso coffee includes a filter unit (porta filter) for accommodating pulverized coffee beans and a coffee extractor, a boiler for supplying hot water, and a pump for supplying hot water to the coffee beans. It includes.

Such espresso coffee extraction devices have been developed in various forms for use in coffee shops, industries, companies, and homes. In particular, one of the conventional espresso coffee extraction device, after crushing the roasted coffee beans and put them in the filter of the reverse triangular cone shape, using the extractor called coffee drip, the ground coffee beans are placed on the filter, and the heated water is poured When the user grabs the hook of the cup receiving the coffee with one hand and pushes it like a drawer under the outlet formed under the filter position of the extractor, the switch installed in the extractor operates to operate the heating means, where the water is heated to If it is, the espresso is extracted, and there is a device that allows the espresso to be extracted downward by the influence of gravity.

The most important factors that determine the flavor of an espresso coffee are the type of coffee beans and roasting (roasted coffee beans). In the fruit of the coffee tree are two seeds, called green beans. In the green state, it has no taste and is just a hard seed, but when roasting, the flavor is different depending on the type of green beans.

Roasting is a time temperature dependent process that applies heat to green beans to expand tissues and cause chemical changes to bring out taste and aroma. During the roasting process, the unpleasant flavored green beans are transformed into dark brown savory beans, which are reborn into coffee beans. The roasting process is known to produce more than 600 different chemicals in green beans.

The types and degree of roasting described above are in an uncontrollable area at the espresso machine level. The five control variables affecting the flavor of the espresso coffee extracted at the machine level are grain grinding, tempering pressure, water pressure, water temperature and extraction amount. to be.

Looking at the patent literature related to the espresso machine that can adjust the coffee flavor, KR Patent Application No. 10-2015-7027732 (name of the invention: a method and apparatus for duplicating the coffee flavor) provides for brewing of coffee beverages. A computer-implemented method for controlling, comprising: providing instructions for receiving an identifier for the coffee beverage associated with a set of brew parameters used to make a coffee beverage; And retrieving the set of brew parameters using the identifier from a database that stores the set of brew parameters, a computer-implemented method for controlling brewing a coffee beverage.

However, there is a problem in the above-mentioned patent document that it is not possible to present a specific method in which the brew parameters are implemented in an espresso machine.

Throughout this specification, many papers and patent documents are referenced and their citations are indicated. The disclosures of cited papers and patent documents are incorporated herein by reference in their entirety, and the level of the technical field to which the present invention belongs and the contents of the present invention are more clearly described.

The inventors of the present invention have made extensive efforts to develop a user-customizable semi-automatic coffee machine that can adjust the temperature, pressure, and extraction amount of coffee of the semi-automatic coffee machine according to the roasting state and the grinding state of the beans. As a result, the user-customized semi-automatic coffee machine is a housing, a hot water boiler including a first heater, a pota filter, a group head, a second heater installed inside the group head, a pressure controller, a sensor for measuring the temperature and pressure of the hot water It includes a control unit for controlling the unit, pressure and temperature, and the controller can solve the above-mentioned problem when adjusting the pressure, temperature and the amount of extracted coffee based on the input information and the grinding information of the beans Discovered to complete the present invention.

Therefore, an object of the present invention is to provide a user-customized semi-automatic coffee machine.

Other objects and advantages of the present invention will become apparent from the following detailed description, claims and drawings.

The present invention provides a semi-automatic coffee machine.

The inventors of the present invention have made extensive efforts to develop a user-customizable semi-automatic coffee machine that can adjust the temperature, pressure, and extraction amount of coffee of the semi-automatic coffee machine according to the roasting state and the grinding state of the beans. As a result, the user-customized semi-automatic coffee machine is a housing, a hot water boiler including a first heater, a pota filter, a group head, a second heater installed inside the group head, a pressure controller, a sensor for measuring the temperature and pressure of the hot water It includes a control unit for controlling the unit, pressure and temperature, and the controller can solve the above-mentioned problem when adjusting the pressure, temperature and the amount of extracted coffee based on the input information and the grinding information of the beans Confirmed.

According to an aspect of the present invention, the present invention is provided in the housing, the housing, connected to the water tank and the supply pipe is supplied with water used to extract coffee, the first heater provided therein in the water tank A hot water boiler for heating hot water to generate hot water, containing a pulverized coffee powder, a pota filter having an extraction hole through which the extracted coffee is discharged, and a detachable pota filter, and the hot water boiler and the hot water supply pipe. A group head installed in the group head for supplying hot water supplied through the hot water supply pipe to the porta filter and extracting coffee, and a second heater reheating the hot water supplied to the porta filter; The pressure controller is provided on the hot water supply pipe, and adjusts a pressing force of hot water supplied to the group head according to a user's setting. And a controller for measuring the temperature, pressure, and amount of extracted coffee, and a controller for controlling the pressure controller, the first heater, the second heater, and the amount of extracted coffee. It provides a user-specific semi-automatic coffee machine to adjust the pressure of the pressure control unit and the temperature of the first heater and the second heater based on.

As used herein, the term “pota filter” may refer to any coffee filter that is formed at the bottom of the coffee accommodating part and the coffee outlet is formed and attached to and detached from the semi-automatic coffee machine.

As used herein, the term “group head” may mean a part of a semi-automatic coffee machine that fixes, heats, and supplies hot water into the porter filter.

As used herein, the term 'Reference Matching Table Algorithm' refers to the 'number experiments' and / or' predictions of the expected results of combinations and effects of a number of variables included in the coffee bean information on coffee taste. Simulation 'can mean any algorithm that can derive the optimal coffee taste.

According to a preferred aspect of the present invention, the bean information of the present invention may be preferably bean roasting information.

In the present invention, it is very important that the bean information is bean roasting information. This is because a key factor for determining the extracted coffee taste is coffee beans roasting information, and the hot water temperature, hot water pressure and amount of coffee extracted in the semi-automatic coffee machine are determined based on the coffee beans roasting information.

According to a preferred aspect of the present invention, the bean roasting information of the present invention may be preferably input through a QR code, RFID, NFC recognition or dedicated application input, more preferably QR code, NFC recognition or dedicated application It may be input through an input, and more preferably may be input through QR code recognition or a dedicated application input, and most preferably may be input through QR code recognition.

According to a preferred aspect of the present invention, the QR code of the present invention may be preferably printed on bean packaging.

In the present invention, it is very important to input the roasting information on the basis of the QR code printed on the bean packaging. Because, the semi-automatic coffee machine of the present invention controls the product through a smart phone application, because when inputting a variety of coffee beans roasting information through the QR code printed on the coffee beans packaging can simplify the process of entering the complex coffee roasting information.

According to a preferred aspect of the present invention, the control unit of the present invention may be controlled by the operation of the smartphone application in conjunction with a smartphone application (App).

In the present invention, controlling the semi-automatic coffee machine through the smartphone application operation is a very important configuration. This is because a variety of coffee machine control solutions can be provided using a communication network included in a smartphone.

According to a preferred aspect of the present invention, the smartphone application of the present invention may preferably be operated including the following steps: (a) executing an application for running a user-customized semi-automatic coffee machine; (b) recognizing a QR code including coffee beans roasting information using a smart phone; And (c) setting the taste of the coffee to be extracted.

According to a preferred embodiment of the present invention, the step of setting the taste of the coffee of the present invention may preferably be to set acidity, flavor, body and aftertaste.

According to a preferred embodiment of the present invention, the coffee beans roasting information of the present invention may be preferably selected from the group comprising coffee beans, bean origin, coffee beans roasting degree, coffee beans moisture content and coffee hardness.

According to a preferred aspect of the present invention, the pressure control unit of the present invention may be to include a bypass valve for controlling the pressing force of the hot water supplied to the group head by selectively draining according to the user's setting.

According to a preferred aspect of the present invention, the control unit of the present invention preferably substitutes the input bean information into a reference matching table algorithm so that the pressure of the pressure adjusting unit and the first heater and the second heater It may be to control the temperature of.

Using the reference matching table algorithm in the present invention is a very important configuration. This is because it is impossible to calculate the optimal semi-automatic coffee machine setting value according to various beans conditions such as coffee beans type, coffee bean origin, coffee beans roasting degree, coffee beans moisture content and coffee hardness, without using the reference matching table algorithm.

According to another aspect of the present invention, the present invention is provided in the housing, the housing, connected to the water tank and the supply pipe is supplied with water used to extract coffee, the first heater provided therein in the water tank A hot water boiler for heating hot water to generate hot water, containing a pulverized coffee powder, a pota filter having an extraction hole through which the extracted coffee is discharged, and a detachable pota filter, and the hot water boiler and the hot water supply pipe. A group head installed in the group head for supplying hot water supplied through the hot water supply pipe to the porta filter and extracting coffee, and a second heater reheating the hot water supplied to the porta filter; Is provided on the hot water supply pipe, the pressure control unit for adjusting the pressing force of the hot water supplied to the group head according to the user's setting, the A sensor unit for measuring the temperature of water, the pressure, and the amount of coffee extracted; and a controller for controlling the pressure adjusting unit, the first heater, the second heater, and the amount of coffee extracted; Adjust the pressure of the pressure control unit and the temperature of the first heater and the second heater based on, wherein the coffee beans information is coffee beans roasting information and coffee beans grinding information, the controller is a smartphone application (App) It is linked with and provides a user-specific semi-automatic coffee machine controlled by the operation of the smartphone application.

According to a preferred aspect of the present invention, the coffee grinder of the present invention may be preferably connected for information exchange with the smartphone or a user-customized semi-automatic coffee machine.

In the present invention, including a grinder interlocked with a smartphone or a user-customized semi-automatic coffee machine is a very important configuration. This is because, when including a smart phone or a user-specific semi-automatic coffee machine interlocked with the grinder can be automatically calculated based on the input beans roasting information can be calculated and entered.

According to a preferred aspect of the present invention, the bean grinder of the present invention may be preferably provided with a plurality of hoppers (Hopper) for storing roasted beans.

In the present invention, including a grinder having a plurality of hoppers is a very important configuration. This is because, when storing various kinds of roasted beans in the grinder hopper, coffee of various flavors can be extracted by mixing various kinds of ground beans according to a user's selection.

According to a preferred embodiment of the present invention, the plurality of hoppers (Hopper) for storing the beans of the present invention may be a roasted beans preferably stored in different states.

According to a preferred aspect of the present invention, the control unit of the present invention preferably substitutes the input bean information into a reference matching table algorithm, so that the pressure of the pressure adjusting unit, the first heater and the second heater The temperature and the degree of ground coffee of the ground coffee grinder may be adjusted.

According to a preferred embodiment of the present invention, the coffee beans roasting information of the present invention may be preferably selected from the group comprising coffee beans, bean origin, coffee beans roasting degree, coffee beans moisture content and coffee hardness.

According to a preferred embodiment of the present invention, the coffee beans roasting information of the present invention may be preferably input in accordance with the type of beans each stored in the plurality of hopper (Hopper).

According to another aspect of the invention, the present invention is provided in the housing, the housing, connected to the water tank and the supply pipe is supplied with water used to extract coffee, the water tank with a first heater provided therein Hot water boiler to heat the water supplied from the water to generate hot water, accommodates the crushed coffee powder, a pota filter having an extracting outlet for discharging the extracted coffee, the pota filter is detachable, the hot water boiler and hot water A second head connected to a supply pipe and installed in the group head for supplying hot water supplied through the hot water supply pipe to the porta filter, to extract coffee, and inside the group head, and reheating the hot water supplied to the porta filter. Is provided on the hot water supply pipe, the pressure control unit for adjusting the pressing force of the hot water supplied to the group head according to the user's setting, phase Semi-automatic coffee machine, The semi-automatic coffee machine comprising a sensor unit for measuring the temperature of the hot water, the pressure and the amount of coffee extracted, and a pressure controller, a first heater, a second heater and a control unit for controlling the amount of extracted coffee And semi-automatic coffee machine including a smart phone with a smart phone application (App) for controlling the control unit and a coffee grinder having a plurality of hopper (hopper) for storing the roasted coffee beans connected for information exchange Provide a system.

According to a preferred aspect of the present invention, the controller of the present invention preferably adjusts the pressure of the pressure control unit and the temperature of the first heater and the second heater based on the input bean information, the bean information is preferably For example, the roasting information of the coffee beans and ground coffee of the coffee grinder may be information.

According to a preferred embodiment of the present invention, the ground coffee grinder of the present invention may be preferably connected directly or wirelessly or indirectly with the semi-automatic coffee machine or via the smart phone.

According to a preferred embodiment of the present invention, the plurality of hoppers (Hopper) for the storage of the coffee beans of the present invention, preferably roasted beans of different states may be stored.

According to a preferred aspect of the present invention, the roasted beans in different states contained in the plurality of hoppers for storing the beans of the present invention are preferably crushed degree of the roasted beans according to the command of the controller and It may be to determine the blending ratio.

According to a preferred aspect of the present invention, the smart phone application (App) of the present invention may preferably include a QR code generation unit including a bean roasting cannon.

In the present invention, it is very important configuration to include a QR code generating unit for automatically generating a QR code when inputting the roasting information into the smart phone. This is because, if a separate program is used to generate the QR code, the procedure for generating the QR code is complicated and the roasting information can not be directly transmitted to the semi-automatic coffee machine for use.

The features and advantages of the present invention are summarized as follows:

(a) The present invention is provided in the housing, the housing, connected to the water tank and the supply pipe is supplied with water used to extract coffee, and the water supplied from the water tank is heated by a first heater provided therein A hot water boiler that generates sea hot water, accommodates pulverized coffee powder, a pota filter having a lower extraction port through which the extracted coffee is discharged, and the pota filter is detached and connected to the hot water boiler and the hot water supply pipe. A group head installed in the group head for supplying hot water supplied through a hot water supply pipe to the pota filter and extracting coffee, and a second heater reheating the hot water supplied to the porta filter on the hot water supply pipe. Is provided, the pressure control unit for adjusting the pressing force of the hot water supplied to the group head according to the user's setting, the temperature, pressure and extracted of the hot water And a control unit for measuring the amount of blood, and a control unit for controlling the pressure adjusting unit, the first heater, the second heater, and the amount of extracted coffee, wherein the control unit controls the pressure and It provides a user-customizable semi-automatic coffee machine to adjust the temperature of the first heater and the second heater.

(b) The user-customized semi-automatic coffee machine can adjust the temperature, pressure and extraction amount of coffee of the semi-automatic coffee machine according to the type of beans, the roasting state of the beans, the mixing ratio of the ground beans and the grinding state, as well as extraction It provides the advantage of freely controlling acidity, flavor, body and aftertaste of the ground coffee.

1 shows a conceptual diagram of a user-customizable semi-automatic coffee machine system.
2 shows a reference diagram associated with inputted bean information.
3 shows an initial menu of a smartphone application.
Figure 4 shows the case of clicking the 'roasting information input' in the initial menu of the smartphone application.
5 shows a state in which the bean information is recognized through the QR code recognition unit by clicking the 'roasting information scan' of the roasting information input page.
Figure 6 shows the case of clicking the 'automatic coffee flavor selection' of the smartphone application initial menu.
7 illustrates a case in which coffee flavor is determined through a reference matching table algorithm when coffee flavor is automatically selected.
FIG. 8 illustrates a case in which a manual coffee flavor selection is clicked among initial smartphone application menus.
9 illustrates a case where a 'menu' is clicked among the initial menus of a smartphone application.
FIG. 10 illustrates a case in which a “community” is clicked among initial smartphone application menus.

As the present invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

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

1 is a conceptual diagram of a user-customizable semi-automatic coffee machine system 100 according to an embodiment of the present invention.

Referring to FIG. 1, a user-customizable semi-automatic coffee machine system 100 according to an embodiment of the present invention includes a housing 10, a hot water boiler 20, a supply pipe 21, a first heater 22, and a water tank ( 23, the pota filter 30, the extraction port 31, the hot water supply pipe 40, the pressure control unit 41, the group head 50, the second heater 51, the sensor unit 60 and the control unit 70 Semi-automatic coffee machine (1) including, a coffee grinder (2) including a multi-hopper (2-1), smart phone (3) and QR code (4-1), QR code generation unit (4-2) , An application 4 including a QR code recognition unit 4-3, a user input unit 4-4, and an operation unit 4-5.

The semi-automatic coffee machine 1 is a housing 10, hot water boiler 20, supply pipe 21, the first heater 22, water tank 23, pota filter 30, extraction port 31, hot water Supply pipe 40, pressure regulator 41, group head 50, the second heater 51, the sensor unit 60 and the control unit 70.

Referring to FIG. 1, first, a housing 10 constituting the main body of the semi-automatic coffee machine 1 is provided, and a hot water boiler 20 is provided inside the housing 10. The hot water boiler 20 is connected by a water tank 23 and a supply pipe 21 outside the housing 10, and used to extract coffee from the water tank 23 through the supply pipe 21. Water will be supplied.

The water tank 23 is stored in the water supplied to the hot water boiler 20, therein is a float valve for blocking the water flowing through the inlet pipe (not shown) from the outside in accordance with the level of water received ( Not shown) is preferably provided.

The hot water boiler 20 is provided with a first heater 22 for heating hot water supplied from the water tank 23 to generate hot water, and the hot water boiler 20 is provided inside the hot water boiler 20. It is preferable that a first sensor (sensor part) 60 for measuring the temperature of hot water heated by the first heater 22 in the). The temperature of the hot water in the hot water boiler 20 measured by the first sensor (sensor unit 60) is transmitted to the controller 70 to be described later.

The hot water boiler 20 is connected to the hot water discharge pipe (not shown) for discharging the generated hot water, the hot water discharge pipe (not shown) is provided with a hot water discharge valve (not shown) according to the user's selective opening and closing The hot water in the hot water boiler 20 is discharged to the outside.

The water contained in the water tank 23 is supplied to the hot water boiler 20 by a water supply pump (not shown) provided in the supply pipe 21, and the supply pipe 21 branches to the supply pipe 21. Is provided with a return pipe (not shown), the return pipe (not shown) serves to return the water supplied through the supply pipe 21 back to the water tank (23).

A relief valve (not shown) is provided on the return pipe (not shown). The relief valve (not shown) is selectively opened according to the internal pressure of the supply pipe 21 to return water back to the water tank 23. It serves to adjust the internal pressure of the supply pipe 21.

The housing 10 has a group head 50 connected to the hot water boiler 20 and a hot water supply pipe 40 to receive hot water in the hot water boiler 20, and the group head 50 is crushed. Pota filter 30 to accommodate the coffee powder is detachable, it is preferable that the port filter 30 is provided with an extraction port 31 for discharging the extracted coffee in the lower portion.

The group head 50 is connected to the hot water boiler 20 and the hot water supply pipe 40, and the hot water supplied through the hot water supply pipe 40 is supplied to the pota filter 30 to extract coffee. A second heater 51 is provided inside the group head 50, and the second heater 51 selectively heats hot water supplied to the pota filter 30 according to a temperature set by a drinker or a user. Reheat to allow hot water to be supplied to the food and drink or user set temperature. The group head 50 is preferably provided with a second sensor (sensor portion, 60) for measuring the temperature of the hot water supplied to the porter filter 30, the second sensor (sensor portion, 60) is The measured temperature is transmitted to the controller 70.

The control unit 70 is a temperature of the hot water in the hot water boiler 20 set by the user and the temperature of the hot water supplied to the porter filter 30 through the group head 50 and the first sensor (sensor unit, 60) ) And the temperature of the hot water in the hot water boiler 20 and the hot water supplied to the portafilter 30 by comparing the temperature measured by the second sensor (sensor unit, 60) to maintain the set temperature (Proportional Integral and Derivative) It controls the operation of the first heater 22 and the second heater 51 through the control. The controller 70 maintains the temperature of the hot water in the hot water boiler 20 and the temperature of the hot water supplied to the pota filter 30 at a predetermined temperature through PID control.

A bypass valve (not shown) is provided on the hot water supply pipe 40 for supplying hot water in the hot water boiler 20 to the group head 50. The bypass valve (not shown) serves to selectively adjust the pressure of the hot water supplied to the group head 50 by selectively draining the hot water supplied to the hot water supply pipe 40 according to the user's setting, The operation of the pass valve (not shown) is preferably controlled by the controller 70. On the hot water supply pipe 40 is preferably provided with a pressure gauge (not shown) for measuring the internal pressure of the hot water supply pipe (40).

The hot water boiler 20 and the group head 50 are provided with a sensor unit 60 is supplied to the temperature filter of the hot water in the hot water boiler 20 and the pota filter 30 in the group head 50. Measure the temperature of hot water. In the hot water boiler 20, a first sensor (sensor part) 60 is provided, and a second sensor (sensor part) 60 is provided in the group head 50.

Temperature information measured by the first sensor (sensor unit 60) and the second sensor (sensor unit, 60) is transmitted to the control unit 70, the control unit 70 is the first sensor (sensor unit, 60) and the temperature information measured by the second sensor (sensor unit 60) is input and compared with the temperature set by the user so that the temperature of the hot water measured by the sensor unit 60 is maintained at the temperature set by the user. It controls the operation of the first heater 22 and the second heater 51 through the Proportional Integral and Derivative (PID) control, and controls the operation of the bypass valve (not shown). A drainage tray is located below the group head 50, and the drainage tray receives the residual water discharged through the residual water discharge pipe branched from the hot water supply pipe 40.

Referring to FIG. 1, a variable pressure withdrawal pipe (not shown) is branched from the hot water supply pipe 40, and the variable pressure withdrawal pipe (not shown) controls the internal pressure of the hot water supplied to the group head 50. In order to selectively discharge a portion of the hot water supplied to the group head 50 to the drain tray.

A second bypass valve (not shown) is provided on the variable pressure withdrawal pipe (not shown), and the second bypass valve (not shown) is selectively supplied to the group head 50 according to a user's setting. A part of the hot water is drained to control the pressing force of the hot water supplied to the group head 50. It is preferable that the operation of the second bypass valve (not shown) is also controlled by the controller 70.

Preferably, the bypass valve (not shown) and the second bypass valve (not shown) may be electronically configured to control the opening amount of the controller 70, but the present invention is not limited thereto. The user can manually adjust the opening amount, and the position of the second bypass valve (not shown) may be provided anywhere on the hot water supply pipe 40 and the variable pressure withdrawal pipe (not shown).

Looking at the embodiment of the semi-automatic coffee machine 1 according to the configuration of the present invention.

The water contained in the water tank 23 is supplied to the hot water boiler 20 through the supply pipe 21 by driving a water supply pump (not shown). A return pipe (not shown) is branched to the supply pipe 21, and a relief valve (not shown) provided on the return pipe (not shown) when water supplied through the supply pipe 21 is supplied above a set pressure. Is opened to return a portion of the water supplied through the supply pipe 21 back to the water tank 23 to adjust the pressure of the supply pipe 21.

The water supplied into the hot water boiler 20 is generated as hot water while being heated by the first heater 22, and the generated hot water is pota in which the coffee powder is received through the group head 50 through the hot water supply pipe 40. It is supplied to the filter 30.

At this time, the hot water is supplied at a high pressure by the pressure generated by the hot water boiler 20, branched from the hot water supply pipe 40 to the residual water discharge pipe (not shown) and the variable pressure withdrawal pipe (not shown) to adjust the pressure of the hot water. The bypass valve (not shown) and the second bypass valve (not shown) are opened to drain a part of the hot water supplied to the drain tray so that hot water is supplied at a predetermined pressure by a preset pressure or a user's operation. The pressure in 40 is adjusted.

A first sensor (sensor part) 60 and a second sensor (sensor part, 60) are respectively provided in the hot water boiler 20 and the group head 50, and the temperature and group of the hot water in the hot water boiler 20 are provided. The temperature of the hot water supplied to the pota filter 30 through the head 50 is measured, and the measured information is transmitted to the controller 70.

The control unit 70 compares the temperature information measured by the first sensor (sensor unit 60) and the second sensor (sensor unit 60) with the temperature information set by the user, and the first sensor (sensor unit 60). And the first heater 22 and the group head 50 in the temperature boiler 110 through PID control to maintain the temperature set by the user when the temperature of the hot water measured by the second sensor (sensor unit 60) is low. The second heater 51 is operated to raise the temperature to supply hot water at a temperature set by the user to the portafilter 30.

Therefore, the pressure of the hot water supplied to the porter filter 130 can be arbitrarily adjusted and can be extracted while adjusting the concentration of the coffee by adjusting the pressure, and can reproduce not only espresso but also the filtered drip coffee to the taste of the drinker. It is possible to provide a coffee, and the controller 70 operates the first heater 22 in the hot water boiler 20 and the second heater 51 in the group head 50 through the PID control to the hot water boiler 20. The temperature of the hot water and the temperature of the hot water supplied to the pota filter 30 can be maintained at a temperature set by the user, thereby extracting high quality coffee.

The coffee grinder 2 comprises a multi hopper 2-1. Since the coffee grinder 2 including the multi hopper 2-1 includes a plurality of hoppers on the top of the coffee grinder, it is possible to accommodate different beans in each hopper, and under the control of the controller 70, Each time a different ratio of beans can be blended and ground.

The controller 70 adjusts the type of coffee beans, blending ratio, grinding degree, temperature of hot water, pressure and extraction amount through the smart phone application 4 included in the smart phone 3.

The smartphone application 4 includes a QR code generation unit 4-2, a QR code recognition unit 4-3, a user input unit 4-4 and a calculation unit 4-5.

The QR code generator 4-2 generates a QR code 4-1 including roasting information of the beans. When the roaster inputs the type, ratio, and roasting degree of roasted beans to the QR code generator 4-2, a QR code 4-1 including the input information is generated. At this time, the roaster prints the generated QR code 4-1 and attaches it to the packaging for bean packaging or starts it on an Internet sales site, so that the user can download the bean roasting information through the QR code 4-1 at any time. do.

The QR code 4-1 generated through the QR code generation unit 4-2 is recognized through the QR code recognition unit 4-3 included in the smart phone application 4.

When the user roasts the coffee beans directly, the user can directly input data such as the roasted beans, the blending ratio, and the roasting degree through the user input unit 4-4 without the QR code 4-1 recognition process.

When the user inputs the roasted beans information and the taste of the coffee (acidity, flavor, density, aftertaste, etc.) that the user wants to drink, the calculating unit 4-5 uses the reference matching table algorithm as the input information. The optimum ratio of beans, beans grinding, hot water temperature, extraction pressure and extraction amount is determined by substituting.

3 to 10 are reference diagrams related to the method of using the smart phone application 4 included in the user-customized semi-automatic coffee machine system 100 according to an embodiment of the present invention.

Referring to Figure 3, the smartphone application 4 included in the user-customized semi-automatic coffee machine system 100 according to an embodiment of the present invention is 1) roasting information input part, 2) coffee flavor automatic selection part, 3) Coffee flavor manual selection part, 4) menu part, and 5) community party.

4 and 5, the roasting information input part according to an embodiment of the present invention, the roasting information scanning part, the roasting information manual input part, the multi-hopper bean selection part through the QR code recognition unit 4-3 , Enemies selection complete part and my roasting library part.

Referring to FIG. 5, the roasting information scanning part recognizes the QR code 4-1 through the QR code recognizing unit 4-3 and transmits coffee beans roasting information to one of the multi hoppers 2-1. Type in At this time, it is preferable that roasted bean information of different states is input to each hopper.

Referring to FIG. 4, the roasting information manual input part directly inputs roasted coffee beans into one of the multi-hoppers 2-1. At this time, it is preferable that roasted bean information of different states is input to each hopper.

Referring to FIG. 4, the multi-hopper bean selection part serves to designate a hopper to which the user inputs coffee beans roasting information among the plurality of multi-hoppers 2-1. The user may select one or a plurality of hoppers and input the desired roasting information of the beans.

Referring to FIG. 4, the roasting box part serves to store the beans information input by the user, and selects one of the plurality of beans information among the stored plurality of beans information of one of the multi-hoppers 2-1. Enter into the hopper.

Referring to FIG. 4, after all the beans information is input to each of the multi-hoppers 2-1, the beans selection completed part transmits the input beans information to the semi-automatic coffee machine 1 when the beans selection complete part is clicked. do.

6 and 7, in the coffee flavor automatic selection part according to an embodiment of the present invention, when the user inputs the acidity, flavor, density, and aftertaste of the coffee extracted directly, the types of beans and beans are matched with the input information. The grinding degree, the temperature of the hot water, the pressure of the hot water and the amount of extracted coffee to adjust the coffee to suit the user's taste.

Here, the type of beans, the degree of grinding of the beans, the temperature of the hot water, the pressure of the hot water, and the amount of extracted coffee are determined through a calculation process of a reference matching table algorithm included in the controller 70.

Referring to Figure 8, the coffee flavor manual selection part according to an embodiment of the present invention, the user can determine the type of coffee beans, the blending ratio of coffee beans, the degree of grinding, the temperature of hot water, the pressure of hot water and the amount of extracted coffee Designate yourself to brew coffee.

Referring to FIG. 9, the menu part according to an embodiment of the present invention stores the coffee bean extraction recipe stored by the user in the process of using the coffee machine, and extracts the coffee by touching the stored recipe once.

Referring to FIG. 10, the community part according to an embodiment of the present invention uploads coffee bean extraction recipes used by the semi-automatic coffee machine users and distributes them for free or for a fee.

Here, the user who has downloaded the coffee bean extraction recipe may add his own know-how to the downloaded information to improve the coffee bean extraction recipe, and then reshare it to the community part.

Semi-automatic coffee machines 1 Coffee grinders 2
Multi Hopper 2-1 Smartphone 3
Application 4 QR Code 4-1
QR code generator 4-2 QR code reader 4-3
User Input 4-4 Operator 4-5
Housing 10 Hot Water Boiler 20
Supply line 21 First heater 22
Water Tank 23 Potter Filter 30
Dispenser 31 Hot Water Supply Pipe 40
Pressure regulator 41 Group head 50
Second heater 51 sensor 60
Controls 70 Custom Semi-Automatic Coffee Machine System 100

Claims (10)

housing,
A hot water boiler provided in the housing and connected to a water tank and a supply pipe to supply water used to extract coffee, and to generate hot water by heating the water supplied from the water tank with a first heater provided therein;
Pota filter accommodating the pulverized coffee powder, the extraction port for discharging the extracted coffee is provided at the bottom,
The group filter is detachable, the group head is connected to the hot water boiler and the hot water supply pipe, and supplies the hot water supplied through the hot water supply pipe to the porta filter to extract the coffee,
A second heater installed inside the group head and reheating hot water supplied to the pota filter;
Is provided on the hot water supply pipe, the pressure adjusting unit for adjusting the pressing pressure of the hot water supplied to the group head according to the user's setting,
Sensor unit for measuring the temperature, pressure of the hot water and the amount of coffee extracted;
And a controller for controlling the pressure controller, the first heater, the second heater, and the amount of extracted coffee.
The control unit adjusts the pressure of the pressure adjusting unit and the temperature of the first heater and the second heater based on the input bean information.
Custom semi-automatic coffee machine.
The method of claim 1,
The coffee beans information is customized semi-automatic coffee machine, characterized in that the coffee beans roasting information.
The method of claim 2,
The bean roasting information is a user-customized semi-automatic coffee machine, characterized in that input via QR code, RFID or NFC recognition.
The method of claim 3, wherein
The coffee beans roasting information is input through the QR code recognition, the QR code is a user-customized semi-automatic coffee machine, characterized in that printed on the bean packaging.
The method of claim 4, wherein
The control unit is linked with a smartphone application (App) customized semi-automatic coffee machine, characterized in that controlled by the operation of the smartphone application.
The method of claim 5, wherein
The smart phone application is a user-customizable semi-automatic coffee machine, characterized in that the operation comprises the following steps: (a) executing an application for running a user-specific semi-automatic coffee machine; (b) recognizing a QR code including coffee beans roasting information using a smart phone; And (c) setting the taste of the coffee to be extracted.
The method of claim 6,
The step of setting the taste of the coffee is a user-customizable semi-automatic coffee machine, characterized in that it sets the acidity (Flavor), the density (Body) and the aftertaste (Aftertaste).

The method of claim 7, wherein
The coffee beans roasting information is a user-customized semi-automatic coffee machine, characterized in that selected from the group containing beans, beans origin, degree of roasting beans, moisture content and hardness of the beans.
The method of claim 8,
The pressure control unit is a user-customized semi-automatic coffee machine, characterized in that it comprises a bypass valve for selectively draining according to the user's setting to adjust the pressure of the hot water supplied to the group head.
The method of claim 9,
The controller may control the pressure of the pressure controller and the temperature of the first heater and the second heater by substituting the input bean information into a reference matching table algorithm. .

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