KR20210086523A - Espresso coffee extractor based on sentiment - Google Patents

Abstract

The present invention relates to an espresso machine based on emotion and, more specifically, to an espresso machine based on emotion which captures a consumer's expression to extract emotion and providing ground coffee by adjusting a coffee extraction pressure and the like on the basis of the emotion, thereby extracting and providing a personalized beverage. According to the present invention, the espresso machine based on emotion comprises: an espresso machine body; a group head unit installed on the espresso machine body and having a portafilter installed therein; a pressure control unit installed in the group head unit to adjust the pressure of hot water supplied to the portafilter; an adjustment driving unit generating and applying a driving force for operating the pressure control unit; an expression detection means detecting a customer's expression; and an extraction control unit extracting the consumer's emotions on the basis of information obtained from the expression detection means and controlling operation of the adjustment driving unit on the basis of extracted emotion data.

Description

Sentiment-based espresso extractor {ESPRESSO COFFEE EXTRACTOR BASED ON SENTIMENT}

The present invention relates to an emotion-based espresso extraction device, and more specifically, to an emotion-based espresso that can extract and provide a personalized beverage by capturing a consumer's expression, extracting emotion, and adjusting coffee extraction pressure based on this. It is about the extraction device.

In general, there is instant coffee in which coffee is extracted and processed in large quantities using coffee beans, but instant extraction that can feel the unique flavor of coffee by extracting coffee liquid immediately after grinding roasted coffee beans to an appropriate size Espresso, a coffee, is widely consumed.

In particular, espresso refers to a method of extracting coffee in a short time by providing hot water at high pressure to ground coffee beans, and coffee extracted through such a method. And, the apparatus for extracting espresso coffee is provided with a porter filter (Porter Filter) for extracting coffee by receiving the ground coffee beans, and a boiler and a pump for providing hot water to the coffee beans.

On the other hand, as factors determining the flavor of espresso coffee, there are the type of coffee beans, the degree to which the coffee beans are roasted, and the size of the grinded coffee beans.

In addition, even if the same coffee beans are used, the espresso may vary depending on the pressure of water and the temperature of the water.

Accordingly, coffee lovers wish to drink the extracted espresso by adjusting the extraction pressure according to personal taste according to the natural environment such as season, temperature, humidity, etc. or changes in individual emotions.

However, although a general automatic coffee machine can control the water pressure, it is difficult and cumbersome because it has to rely on manual labor, and there is a limitation in that it is not possible to quickly and appropriately provide personalized espresso because it is not easy to know the customer's taste.

Korean Patent No. 10-1392410 "Espresso Coffee Machine" Korean Patent No. 10-0920237 "Coffee Extraction Device" Korean Patent No. 10-1931534 "Pressure extraction method coffee machine"

The present invention has been proposed in view of the above, and it is an object of the present invention to provide an espresso extracting apparatus based on emotion that allows the extraction pressure of coffee to be conveniently and quickly adjusted.

Another object of the present invention is to provide an emotion-based espresso extraction device capable of extracting emotions by capturing a consumer's facial expression and controlling coffee extraction pressure based on this to extract and provide a personalized beverage.

In order to achieve the above object, the emotion-based espresso extraction apparatus according to the present invention is an espresso extraction apparatus, comprising: an extraction apparatus body; a group head part installed in the extraction device body and having a portafilter installed; a pressure control unit installed in the group head unit to adjust the pressure of hot water supplied to the portafilter; and a control driving unit for generating and applying a driving force for operating the pressure control unit.

Preferably, in order to achieve the above object, the emotion-based espresso extraction apparatus according to the present invention is an espresso extraction apparatus, comprising: an extraction apparatus body; a group head part installed in the extraction device body and having a portafilter installed; a pressure control unit installed in the group head unit to adjust the pressure of hot water supplied to the portafilter; and a control driving unit for generating and applying a driving force for operating the pressure control unit. Expression detection means for detecting the facial expression of the consumer; and an extraction control unit for extracting the consumer's emotions based on the information obtained from the expression detecting means and controlling the driving of the adjustment driving unit based on the extracted emotion data.

The extraction control unit may be equipped with an automated determination algorithm matching the taste flavor wheel (Coffee Taster's Wheel) based on the emotion data.

The emotion-based espresso extraction apparatus according to the present invention may include a water supply unit having a heating means for heating the water supplied to the group head unit to a temperature set under the control of the extraction control unit.

And, the emotion-based espresso extraction apparatus according to the present invention includes a pressure pump for pumping hot water from the water supply unit to the group head unit, and the pressure adjusting unit controls the pressure of the hot water supplied to the group head unit under the control of the extraction control unit. It may further include a pressure control valve for varying.

According to the emotion-based espresso extraction apparatus according to the present invention, there is an effect that the extraction pressure and temperature during coffee extraction can be quickly and conveniently ground without manual operation. In particular, it provides consumers with a customized extraction pressure and temperature by means of an automated decision algorithm that extracts consumer emotions based on the information obtained from the expression detection means and matches them to the Coffee Taster's Wheel. It is possible to extract and provide customized coffee based on emotion, which has the effect of maximizing satisfaction.

1 is a block diagram illustrating an emotion-based espresso extraction apparatus according to an embodiment of the present invention.
2 is a relationship diagram of emotional result matching through a coffee taster's wheel.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings 1 and 2, and the same reference numerals are given to the same components in FIG. 1 to be described.

On the other hand, in each drawing, a detailed description of a configuration that can be easily recognized by a person of ordinary skill in the art from a general technique, and an action and effect thereof will be simplified or omitted. In addition, since the present invention has a feature of the emotion-based espresso extraction apparatus, it is illustrated and described mainly related parts, and the description of the remaining parts will be simplified or omitted.

1 is a block diagram illustrating an emotion-based espresso extraction apparatus according to an embodiment of the present invention.

1, the emotion-based espresso extraction apparatus according to an embodiment of the present invention includes an extraction apparatus body (not shown) forming the skeleton of a coffee machine, and a plurality of portafilters (2) in the extraction apparatus body A group head part 3 is provided, and a pressure control part 4 installed in the group head part 3 to adjust the pressure of hot water supplied to the portafilter 2 is provided.

Here, the extraction device body (not shown) refers to the machine body of a general automatic coffee machine provided for extracting espresso in a general coffee shop, and the specific illustration is omitted, and the group head part 3 is provided in a plurality of the machine body. As a result of a group head mounted on a dog, the detailed illustration is omitted and simplified. And, as is well known, the group head is a part that supplies water to the portafilter and is composed of an injection port, a water supply valve, a shower screen, and a group gasket, which fixes the portafilter 2 and discharges and heats the water. perform the function that makes it

The pressure control unit 4 is configured in the group head unit 3 to control the pressure of hot water used for espresso extraction, and an outlet control mechanism (not shown) for controlling the opening degree of the hot water outlet or the inside of the group head unit. It may be composed of a pressure maintaining unit (not shown) that maintains a constant pressure.

And the pressure regulating unit 4 may be configured to include a pressure regulating valve 42 for varying the pressure of the hot water supplied from the pressure feeding pump 8, which will be described later, under the control of the extraction control unit 6 .

In particular, the emotion-based espresso extraction device according to the present invention extracts emotions by capturing the consumer's expression, and adjusts the coffee extraction pressure based on this to adjust the pressure of water that is additionally ejected to extract and provide a personalized beverage. A control drive unit 5 for generating and applying a driving force for operating the unit 4 is further configured.

The control drive unit 5 may be configured with a control motor that operates the pressure control unit 4 .

On the other hand, the emotion-based espresso extraction apparatus according to the present invention is a water supply unit 7 having a heating means 72 for heating the water supplied to the group head unit 3 to a temperature set under the control of the extraction control unit 6 . ) is provided.

In addition, the water supply unit 7 is provided with a temperature sensing means 73 such as a temperature sensor to sense the temperature of the water supplied to the group head unit 3 and apply it to the extraction control unit 6 .

In addition, the emotion-based espresso extraction apparatus according to the present invention is provided with a pressure pump 8 for pressurizing the hot water from the water supply unit 7 to the group head unit 3 through a pipe.

On the other hand, the emotion-based espresso extraction device according to an embodiment of the present invention captures the consumer's facial expression, extracts the emotion, and adjusts the extraction pressure of ground coffee beans based on the emotion-based espresso extraction device to provide a personalized beverage. Expression detection means (9) for detecting the expression detection means (9), extracting the consumer's emotions based on the information obtained from the expression detection means (9), based on the extracted emotion data extraction control unit for controlling the driving of the adjustment drive unit (5) (6) is constituted.

The expression detecting means 9 is a means for sensing the emotion by capturing the expression of the consumer, and may be composed of an imaging means such as a camera.

The extraction control unit 6 is equipped with an automated determination algorithm that matches the taster flavor wheel (Coffee Taster's Wheel) based on emotion data.

For example, the determination algorithm may consist of a face detection step, a face tracking step, and an emotion recognition step, as can be seen through the personal emotion extraction process of Table 3 to be described later.

Referring to Tables 3 and 4, the face detection step consists of a face detection process, a face point detection process, and a facial muscle definition process in the order, and the face tracking step may consist of a muscle movement tracking process and an effective emotional parameter extraction process, The emotion recognition step may consist of a rule base construction process and an emotion recognition process.

Emotional factors that can determine the state through the above determination algorithm include happiness, sadness, surprise, anger, disgust, fear, and the like.

Here, the tasters flavor wheel (Coffee Taster's Wheel) means a chart expressing the coffee flavor composition principle and method presented by the American Specialty Coffee Association in two circles. These two charts contain changes due to various factors that affect coffee, such as the composition of coffee, roasting, defective beans, and storage, and are analytical and systematic in order to help the global coffee industry workers understand the flavor characteristics of coffee. It is used as a material for

Hereinafter, the operation of the emotion-based espresso extraction apparatus according to an embodiment of the present invention will be briefly described.

The emotion-based espresso extraction device according to an embodiment of the present invention is desired by the consumer by adjusting the extraction pressure by the pressure control unit 4 provided in the group head unit 3 rotated according to the driving of the control driving unit 5 . It can be provided by extracting the flavored espresso.

In this extraction process, when the face image of the consumer photographed through the expression detecting means 9 such as the imaging means is applied to the extraction control unit 6, the extraction control unit 6 is based on the information obtained from the expression detection means 9 The pressure of the hot water used for coffee extraction is adjusted by controlling the driving of the adjustment driving unit 5 by a determination algorithm based on the extracted emotion data and extracting the consumer's emotions and operating the pressure adjusting unit 4 .

As described above, the emotion-based espresso extracting apparatus according to an embodiment of the present invention is based on the information obtained from the expression detecting means 9 to match the taster's flavor wheel. figure out

And, by reading the extraction pressure matching the emotional state identified by the determination algorithm, it can be individually adjusted and provided through the drive control of the adjustment drive unit 5 as described above, and through this, the consumer can be provided based on the emotion. One custom espresso can be brewed.

In addition, in the process of controlling the extraction pressure as described above, by controlling the driving of the heating means 72 based on the temperature signal sensed from the temperature sensing means 73 to adjust the temperature of the water supplied to the group head unit 3 , The advantage is that the brewing pressure can be more effectively controlled and the consumer can provide the desired temperature of espresso.

More specifically, although there are various products, the automatic coffee machine extracts coffee by setting the extraction pressure to about 1 to 20 bar, and as the extraction pressure value increases, the concentrated taste can be felt, but usually 6 to 10 bar extraction pressure is extracted with

The emotion-based espresso extraction device according to the present invention recognizes the face of the consumer, analyzes the recognized facial expression, and varies the pressure control valve 42 under the control of the extraction control unit 6 according to the analyzed result value to give the individual Espresso with a suitable taste can be extracted. For example, in the case of a happy expression as a result of analyzing the consumer's face, the extraction control unit 6 controls the pressure regulating valve 42 so that the extraction pressure becomes 6 bar so that the espresso with a relatively soft taste is extracted due to the low concentration level, and analyzes the consumer's face As a result, in the case of a sad expression, the extraction control unit 6 may control the pressure control valve 42 so that the extraction pressure becomes 10 bar so that the concentration is high and the espresso with a relatively high concentration taste is extracted. In addition, by adjusting the extraction time, you can adjust the body of the coffee.

Hereinafter, the process of identifying the emotional state by the above-described determination algorithm will be described in more detail.

The emotion applied in the emotion-based espresso extraction apparatus according to the present invention is applied to the emotion recognition solution using the facial structure and muscle stiffness as illustrated in Table 1.

The emotions applied in the emotion-based espresso extraction device according to the present invention are combined with the basic indicators of happiness, sadness, surprise, anger, disgust, and fear that are generated through emotional recognition, as illustrated in Table 2, so that a person can express 30 Several emotional situations can be derived.

The relationship between the derived emotional factors and coffee is connected to the emotional recognition results through the Coffee Tasters Flavor Wheel and matching coffee beans are matched.

Table 3 below shows the personal emotion extraction process. In order to recognize the user's emotion, the process of Table 3 is followed and the emotional state is identified. The emotional element to be applied in this embodiment is a total of six emotional states: happiness, sadness, surprise, anger, disgust, and fear.

And, the emotional solution development element definition can be defined as shown in Table 4.

division Item Detail Characteristic

One

face detection
-Haar models based on facial features
Viola-Jones algorithm using -Overcoming limitations due to lighting compared to existing color-based models based on facial features
- It can be applied to real-time processes as it shows less computational cost than the AAM-based method, which is a statistical approach based on the face model. 2 face point detection -DLIB based RegressionTrees
Ensemble Algorithm - 68 face points detection for eyes, nose, mouth, etc. 3 facial muscle definition -Define facial muscles based on facial points according to the Facial Action Coding System - 39 revisions of facial muscles sensitive to expressions 4 muscle movement tracking -Face according to video frame
muscle movement tracking - XY coordinates and area of facial muscles according to expression
change tracking

5
Effective emotional parameter extraction
-Face for 6 basic emotions
Effectiveness based on muscle movement characteristics
Emotional parameter extraction -Happiness: AU6, AU12
- Sadness: AU1, AU4, AU15
- Surprise: AU1, AU2, AU5, AU26
- South Korea: AU4, AU5, AU7, AU23
- Disgust: AU9, AU15, AU16
- Fear: AU1, AU2, AU4, AU5, AU7, AU20, AU26
6 Rule base construction - from real facial expression data
Establishment of rule base for emotion recognition -Overcoming personalization problem using universal neutral face model
-Establishment of a face model for emotion recognition through the establishment of a rule base based on statistical analysis 7 Sentiment Recognition -Fuzzy-based emotion recognition algorithm

Matching the emotional recognition result and coffee through the process as described above is selected by linking the emotional state and the coffee characteristics, and emotional matching is performed through the coffee taste flavor wheel.

Although the configuration and operation of the emotion-based espresso extraction apparatus according to an embodiment of the present invention described above have been described, this is an example and those of ordinary skill in the art described above without departing from the technical spirit of the present invention. It will be appreciated that substitutions and variations of some of the embodiments are possible.

Therefore, it should be understood that the protection scope of the present invention extends to the invention described in the claims and their equivalents.

2: Portafilter
3: group head
4: pressure control unit
42: pressure control valve
5: Control drive part
6: Extraction control unit
7: Water supply unit
72: heating means
8: pressure pump
9: Facial expression detection means

Claims (5)

In the espresso extraction apparatus,
extraction device body;
a group head part installed in the extraction device body and having a portafilter installed;
a pressure control unit installed in the group head unit to adjust the pressure of hot water supplied to the portafilter; and
Sensitivity-based espresso extraction apparatus comprising a; a control driving unit for generating and applying a driving force for operating the pressure control unit.
In the espresso extraction apparatus,
extraction device body;
a group head part installed in the extraction device body and having a portafilter installed;
a pressure control unit installed in the group head unit to adjust the pressure of hot water supplied to the portafilter; and
a control driving unit for generating and applying a driving force for operating the pressure control unit;
Expression detection means for detecting the facial expression of the consumer; and
Emotion-based espresso extraction apparatus comprising a; extracting the consumer's emotions based on the information obtained from the expression detecting means and controlling the driving of the adjustment driving unit based on the extracted emotion data.
3. The method of claim 2,
Emotion-based espresso extraction device, characterized in that the extraction control unit is equipped with an automated determination algorithm that matches the taster flavor wheel (Coffee Taster's Wheel) based on the emotion data.
3. The method of claim 2,
Emotion-based espresso extraction apparatus comprising a water supply unit having a heating means for heating the water supplied to the group head unit to a temperature set under the control of the extraction control unit.
5. The method of claim 4,
and a pressure pump for pumping hot water from the water supply unit to the group head unit,
The pressure control unit sensibility-based espresso extraction apparatus comprising a pressure control valve for varying the pressure of the hot water supplied to the group head unit under the control of the extraction control unit.

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