WO2021006503A1 - 커피 로스팅 색도 측정 시스템과 그 측정 방법 - Google Patents
커피 로스팅 색도 측정 시스템과 그 측정 방법 Download PDFInfo
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- WO2021006503A1 WO2021006503A1 PCT/KR2020/008114 KR2020008114W WO2021006503A1 WO 2021006503 A1 WO2021006503 A1 WO 2021006503A1 KR 2020008114 W KR2020008114 W KR 2020008114W WO 2021006503 A1 WO2021006503 A1 WO 2021006503A1
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- WIPO (PCT)
- Prior art keywords
- coffee
- chromaticity
- camera
- roasting
- colorimeter
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/10—Treating roasted coffee; Preparations produced thereby
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06146—Multisources for homogeneisation, as well sequential as simultaneous operation
- G01N2201/06153—Multisources for homogeneisation, as well sequential as simultaneous operation the sources being LED's
Definitions
- the present invention relates to a coffee roasting chromaticity measuring system for checking the roasting state of coffee beans (roasted beans or ground powder) and a measuring method thereof.
- coffee beans are not an industrial product, consistent roasting techniques could not be applied depending on many conditions, such as the characteristics of the origin of raw materials, differences in basic quality, various processing methods, and moisture content.
- SCA World Specialty Coffee Association
- the coffee colorimeter as described above is expensive, it is not easy to use by anyone and is mainly used in some coffee shops, and most coffee shops measure the color of coffee beans using Igtron tiles. Roasting status is checked for only some coffee beans, not all coffee beans, and since it is determined by the human eye, the roasting status may feel different depending on the surrounding light.
- the coffee colorimeter measures the reflection value of the infrared sensor of coffee beans, converts it into chromaticity values, stores and displays it.In this case, the previous measurement data can be checked only in the relevant equipment. If you want to create a scent, you have to go to learn the know-how of roasting by other companies, learn roasting heating, roasting time, etc. to develop new coffee beans, and the infrared sensor can detect only light in the infrared band, so it can It was impossible to analyze and express the correct color.
- the problem to be solved by the present invention is a coffee roasting chromaticity measurement system and its measurement to easily measure the roasting chromaticity of coffee beans using a portable terminal such as a smartphone, and to easily distinguish the roasting degree of coffee beans through this. To provide a way.
- the coffee roasting chromaticity measurement system which is a problem solving means of the present invention, includes a portable terminal having a camera and photographing coffee roast beans or coffee ground powder through the camera; An optical terminal that covers the camera and provides illumination for a certain measurement when photographing coffee roast beans or ground coffee powder through the camera; Including, the portable terminal is equipped with a coffee colorimeter app that analyzes a chromaticity value of image information of coffee roasted beans or ground coffee powder photographed by the camera and extracts a roasting chromaticity number corresponding thereto.
- the optical terminal is a dark room in which external light is blocked so that a variable whose chromaticity is changed by ambient light is removed when photographing coffee roasted beans or ground coffee powder through the camera, and incident on the basis of the dark room
- a body portion having a sphere and an exit hole
- a light source unit disposed at one end of the dark room in the main body to irradiate illumination in the direction of the exit hole
- a communication module communicating with the portable terminal;
- a power supply unit supplying driving power to the light source unit and the communication module. It includes.
- the diameter of the entrance port has a diameter that covers the camera
- the diameter of the exit port has a diameter that covers a measuring container in which coffee roasting beans or ground coffee powder are accommodated
- the diameter of the exit port is compared to the diameter of the entrance port.
- the dark room is formed to be inclined to have at least twice as much.
- the power supply unit is a built-in rechargeable battery or a replaceable battery.
- the optical terminal includes a charging circuit unit for charging the built-in rechargeable battery constituting the power supply unit, and a charging terminal electrically connected to the charging circuit unit.
- the light source unit is any one of an LED light source, an OLED light source, and a CCFL light source.
- a light source dispersion layer is formed on the inner wall surface of the dark room to disperse and irradiate the illumination of the light source with coffee roasting beans or coffee ground powder accommodated in the measuring container.
- a lock key is formed on the optical terminal.
- the lock key is a barcode scanned through the camera or a serial number manually inputted to the portable terminal.
- the communication module is automatically paired with the communication unit of the portable terminal when a barcode is scanned by the camera or a serial number is manually inputted to the portable terminal.
- a position coupling sensor is formed on the optical terminal to automatically check the position of the cover entrance and the camera lens, and the position coupling detector is formed on the entrance of the main body.
- the optical terminal is provided with a sheet mounting unit for attaching and detaching the calibration sheet, and the sheet mounting unit detects whether the calibration sheet is detached or detached, and then transmits the detection signal to the coffee colorimeter app through the communication module.
- the detector is formed.
- a first coupling portion is formed on the outlet side of the main body, and a second coupling portion corresponding to the first coupling portion is formed on an upper surface or a circumferential surface of a measuring container in which coffee roasted beans or ground coffee powder are accommodated.
- first coupling portion is a fixed guide protrusion
- second coupling portion is a protruding groove into which the fixed guide protrusion is fitted.
- first coupling portion is a protruding groove
- second coupling portion is a fixed guide protrusion fitted into the protruding groove
- the coffee colorimeter app as well as the chromaticity value of the camera itself, as well as a chromaticity analysis unit for analyzing the chromaticity value of the image information of the coffee roasting beans or coffee grounds photographed by the camera;
- a chromaticity extracting unit for extracting a chromaticity number or an Agtron number corresponding to a chromaticity value of the image information analyzed by the chromaticity analyzer from the chromaticity number or Agtron number distribution values as a reference stored in the internal memory area;
- a display processing unit storing the chromaticity number extracted by the chromaticity extracting unit in the internal memory area and displaying the chromaticity number on the screen of the portable terminal as a number in a percentage unit so that it can be viewed. It includes.
- the coffee colorimeter app includes a calibration processing unit for correcting a chromaticity value and a photographing position for the camera; It is to include more.
- correction of the chromaticity value and the photographing position of the camera by the calibration processing unit uses the calibration sheet having a shape corresponding to the outer shape of the measurement container.
- the calibration sheet has a chromaticity value as a reference, and shape information of the calibration sheet as a reference is stored in an internal memory area of the coffee colorimeter app.
- the calibration processing unit compares the shape information of the calibration sheet, which is a reference stored in the internal memory area, and the photographed image information of the calibration sheet photographed by the camera to determine whether there is a match or inconsistency, and the determination result is recalled. It has the process of displaying on the screen of the mobile terminal.
- the chromaticity analysis unit analyzes the chromaticity value of the camera itself as well as the chromaticity value as a reference in the image information of the calibration sheet photographed by the camera, and then provides it to the calibration processing unit, and the calibration processing unit The chromaticity value of the camera is corrected so that the chromaticity value of the camera has a chromaticity value that is a reference to be analyzed by the chromaticity analyzer.
- the coffee colorimeter app includes a motion recognition unit for converting the calibration processing unit to an active mode when the separation signal of the calibration sheet detected by the calibration sheet sensor is input through the communication module; It is to include more.
- the coffee colorimeter app includes: an authentication processing unit for authenticating lock key information scanned through the mobile terminal or manually input lock key information; It is to include more.
- the chromaticity number result of the coffee roasting bean or coffee ground powder extracted by the chromaticity extraction unit or the chromaticity value information of the camera corrected by the calibration processing unit are used through the communication network of the mobile terminal.
- a clip lens covering the camera is coupled to the portable terminal, and the optical terminal is coupled to the clip lens.
- the portable terminal is mounted on a cradle, a lens mounting portion capable of adjusting movement according to a position of a camera formed in the portable terminal is formed on the cradle, and the optical terminal is coupled to the lens mounting portion.
- a coffee roasting chromaticity measurement method includes: (a) authenticating the portable terminal and the optical terminal to be linked; (b) When the optical terminal authenticates from step (a), the camera of the portable terminal is covered with the incident side of the optical terminal, and the exit side of the optical terminal covers the calibration sheet placed on the measuring container, and the camera Capturing the calibration sheet while receiving illumination from an optical terminal, and correcting a chromaticity value and a photographing position of the camera; (c) After correcting the chromaticity value and photographing position for the camera proceeding from the step (b), inserting coffee roasting beans or ground coffee powder into the measuring container, and operating the camera while receiving illumination from the optical terminal.
- the step (a) may include: (a-1) scanning a bar code of the lock key displayed on the optical terminal using the mobile terminal or manually inputting the lock key information to the mobile terminal; And (a-2) authenticating whether the barcode scan or manual input lock key information from the step (a-1) is registered information. It includes.
- step (b-4) From the step (b-3), the coffee colorimeter app corrects the chromaticity value of the camera based on the chromaticity value of the calibration sheet, while the determination result in step (b-3) is inconsistent. Inducing correction of the photographing position of the camera, and ending the calibration correction for the camera if they match; It includes.
- the calibration correction information for the camera is stored in an internal memory area of the coffee colorimeter app and transmitted to a cloud-based platform server using a communication network of the mobile terminal to be registered; It is to include more.
- the calibration correction information transmitted to and registered with the platform server includes product information on the portable terminal.
- the product information includes any one or all of the model name of the mobile terminal, the manufacturer of the mobile terminal, and a subscription communication network of the mobile terminal.
- the chromaticity number of the measurement target extracted by the coffee colorimeter app is stored in an internal memory area and transmitted to a cloud-based platform server using a communication network of the portable terminal for registration; It is to include more.
- the present invention provides a coffee colorimeter that allows anyone to easily measure the roasting chromaticity value of coffee beans using a portable terminal such as a smartphone, and through this, anyone can easily distinguish the roasting degree of coffee beans, while providing a high level of reliability.
- a portable terminal such as a smartphone
- FIG. 1 is an overall block diagram of a coffee roasting chromaticity measurement system according to an embodiment of the present invention.
- Figure 2 is a schematic perspective view showing the structure of an optical terminal in an embodiment of the present invention.
- FIG. 3 is a schematic cross-sectional view showing the structure of an optical terminal according to an embodiment of the present invention.
- FIG. 4 is a detailed block diagram of an optical terminal according to an embodiment of the present invention.
- FIG. 5 is a detailed block diagram of a coffee colorimeter app as an embodiment of the present invention.
- Figure 6 is a schematic combined state of the optical terminal and the measuring vessel in an embodiment of the present invention.
- FIG. 7 is a state diagram of correcting a measurement position and chromaticity value for a camera of a portable terminal using a calibration sheet according to an embodiment of the present invention.
- FIG. 8 is a schematic cross-sectional view showing a state in which the chromaticity number extraction for roasted coffee beans or ground coffee powder is performed according to an embodiment of the present invention.
- FIG. 9 is a perspective view showing a state in which a clip lens is coupled to a mobile terminal according to an embodiment of the present invention.
- FIG. 10 is a schematic cross-sectional schematic view showing a coupling state of a clip lens coupled to a mobile terminal and an optical terminal according to an embodiment of the present invention.
- FIG. 11 is a perspective view showing a state in which a mobile terminal is coupled to a cradle according to an embodiment of the present invention.
- FIG. 12 is a view showing a state in which the position of the lens mounting part of the cradle is moved and adjusted according to the position of the camera of the mobile terminal according to an embodiment of the present invention.
- FIG. 13 is a schematic cross-sectional schematic view showing a combined state of an optical terminal and a cradle to which a mobile terminal is coupled according to an embodiment of the present invention.
- FIG. 14 is a flow chart showing a coffee roasting chromaticity measurement method according to an embodiment of the present invention.
- 15 is a detailed flowchart showing a state of performing calibration for a camera according to an embodiment of the present invention.
- 16 is a detailed flowchart showing a state of extracting a chromaticity number of a measurement object according to an embodiment of the present invention.
- embodiments described in the present specification will be described with reference to cross-sectional views and/or plan views, which are ideal exemplary views of the present invention. Accordingly, embodiments of the present invention are not limited to the specific form shown, but also include changes in necessary form. For example, the area shown at right angles may be rounded or may have a shape having a predetermined curvature. Accordingly, the regions illustrated in the drawings have schematic properties, and the shapes of the regions illustrated in the drawings are for illustrating a specific shape of the region of the device and are not intended to limit the scope of the invention.
- FIG. 1 is an overall block diagram of a coffee roasting chromaticity measurement system according to an embodiment of the present invention
- FIG. 2 is a schematic perspective view showing the structure of an optical terminal according to an embodiment of the present invention
- FIG. 3 is an embodiment of the present invention.
- a schematic cross-sectional view showing the structure of an optical terminal Figure 4 is a detailed block diagram of the optical terminal in an embodiment of the present invention
- Figure 5 is a detailed block diagram of a coffee colorimeter app as an embodiment of the present invention
- Figure 6 Shows a schematic diagram of a state of coupling an optical terminal and a measuring container according to an embodiment of the present invention.
- a coffee roasting chromaticity measurement system includes a portable terminal 10 and an optical terminal 20, and a coffee colorimeter app mounted on the portable terminal 10. Including 30, and in addition to this, it may be configured to further include a calibration sheet 40.
- the portable terminal 10 is a smartphone equipped with a camera 11 and a communication function is provided, and photographs coffee roasted beans or coffee ground powder C1 accommodated in the measuring container 200 through the camera 11 Is to do.
- the portable terminal 10 has been described as being limited to a smartphone, all portable devices (eg, tablet PCs, etc.) equipped with a camera as well as a communication function can be used.
- the optical terminal 20 covers the camera 11 and provides lighting for a certain measurement when photographing coffee roast beans or coffee ground powder (C1) through the camera 11, which is 21), including a light source unit 22, a communication module 23, and a power supply unit 24, and in addition, a charging circuit unit 25, a light source distribution layer 26, a lock key 27, a position coupling detector 28 ,
- the seat mounting portion 29, the calibration sheet sensor (29a) may be further included.
- the main body 21 is a dark room 21a in which external light is blocked so that a variable whose chromaticity is changed by ambient light is removed when a photograph of the coffee roasted bean or the ground coffee powder C1 is taken through the camera 11. ), and the dark room 21a can be connected to the entrance port T1 and the exit port T2.
- the entrance port (T1) side covers the camera 11, and the exit port (T2) side covers the measuring container 200 in which coffee roasted beans or ground coffee powder (C1) is accommodated, while the dark room ( 21a) can block the inflow of external light.
- the diameter of the entrance port (T1) has a diameter that covers the camera 11, the diameter of the exit port (T2) covers the measuring container 200 in which the coffee roasting head or coffee ground powder (C1) is accommodated.
- Can have a diameter.
- the dark chamber 21a may have an inclined inner wall surface such that the diameter of the exit hole T2 is at least twice as large as the diameter of the entrance hole T1.
- the first coupling portion (21b) is formed on the side of the outlet (T2) of the main body (21), the top or circumferential surface of the measuring container 200 in which coffee roasted beans or coffee ground powder (C1) are accommodated
- the second coupling portion 201 corresponding to the first coupling portion 21 may be formed.
- the first coupling part 21b may be a fixed guide protrusion or a protruding groove
- the second coupling part 201 may be formed as a protruding groove to which the fixed guide protrusion is fitted or a fixed guide protrusion.
- the light source unit 22 is any one of an LED light source, an OLED light source, and a CCFL light source that is disposed in the dark room 21a in the main body 21 to irradiate illumination in the direction of the exit hole T2. Accordingly, the light source distribution layer 26 for distributing and irradiating the illumination of the light source unit 22 may be formed on the inner wall surface of the dark room 21a.
- the light source dispersion layer 26 may be coated on the inner wall surface of the dark room 21a or formed by attaching sheet paper. This is to reflect the light emitted so that the illumination of the light source unit 22 is evenly distributed to the coffee roasting bean or coffee ground powder C1 accommodated in the measuring container 200.
- the communication module 23 is capable of communicating with the mobile terminal 10, which may be any one of Bluetooth, NFC, Wi-Fi, LoRa, ZigBee, and LTE.
- the communication module 23 is configured to enable short-range communication with a communication unit in the portable terminal 10 or through a communication network connection. Accordingly, when a barcode to be described later is scanned by the camera 11 or a serial number to be described later is manually input to the portable terminal 10, the communication unit (not shown) of the portable terminal 10 is automatically paired.
- the power supply unit 24 supplies driving power to the light source unit 22 and the communication module 23. Although not shown in the drawing, this is possible from the on/off operation of the operation switch provided in the main body 21, or the on/off operation is also possible through the coffee colorimeter app.
- the power supply unit 24 may be a built-in rechargeable battery or a replaceable battery (eg, AA or AAA batteries).
- the main body part 21 is electrically connected to the charging circuit part 25 for charging the built-in rechargeable battery constituting the power supply part 24, and the charging circuit part 25
- the connected charging terminal 25a may be configured.
- the locking key 27 may be formed on the outer peripheral surface of the main body 21. This may be a barcode scanned through the camera 11 or a serial number manually inputted to the portable terminal 10.
- the locking key 27 may be printed on the outer circumferential surface of the main body 21 or provided in the form of a sticker.
- the platform server 100 prints a unique lock key 27 to the registered user. It provides an optical terminal (20). Accordingly, even if another member registered as a member receives the optical terminal 20 printed with the lock key from the platform server 100, the coffee colorimeter app 30 installed on the user's mobile terminal 10 through the provided lock key This is to prevent illegal use.
- the position coupling sensor 28 is configured on the entrance port T1 side of the main body 21. This may be configured to automatically check the cover state when the camera 11 is covered, and then transmit the confirmation information to the coffee colorimeter app 30 through the communication module 23.
- the position coupling winding paper 28 transmits a signal through the communication module 23 when the camera 11 and the entrance port T1 of the main body 21 are coupled without a gap. It is sent to (30).
- the position coupling sensor 28 is formed as a physical push switch on the entrance port T1 side of the main body 21, or is formed by any one of a photo sensor, a proximity sensor, and an illuminance sensor, and the communication module 23 ) And can be electrically connected.
- the sheet mounting portion 29 is formed at one end of the body portion 21, which is for detachment and attachment of the calibration sheet 40.
- the seat mounting portion 29 provides a storage space for accommodating the calibration sheet 40 so as to reduce the risk of loss of the calibration sheet 40.
- the calibration sheet detector 29a may be formed on the sheet mounting portion 29.
- the calibration sheet detector 29a is configured to transmit the detection signal to the coffee colorimeter app 30 through the communication module 23 after detecting whether the calibration sheet 40 is attached or detached.
- the calibration sheet sensor 29a is formed of any one of a photo sensor, a proximity sensor, and an illuminance sensor within the sheet mounting part 29, or a communication module such as NFC capable of proximity communication with the calibration sheet 40 (not shown). ) Is built-in to be electrically connected to the communication module 23.
- the coffee colorimeter app 30 may be mounted on the portable terminal 10. This is a coffee roasting bean or coffee ground photographed by the camera 11 as in FIG. 8 attached while forming an internal memory area 30a in which reference chromaticity number or Agtron number distribution values are tabulated and stored. The chromaticity value of the image information of the powder (C1) is analyzed, and the chromaticity number or the Agtron number corresponding thereto can be extracted. Accordingly, the coffee colorimeter app 30 may include a chromaticity analysis unit 31, a chromaticity extraction unit 32, and a display processing unit 33. In addition, the calibration processing unit 34, the motion recognition unit 35, and the authentication processing unit 36, as well as the platform registration unit 37 may be further included.
- the chromaticity analysis unit 31 is the chromaticity value of the photographed image information when the calibration sheet 40 or the coffee bean/coffee ground powder C1 accommodated in the measurement container 100 by the camera 11 is photographed. RGB value) to be analyzed.
- the chromaticity extracting unit 32 determines a chromaticity number or an Agtron number corresponding to the chromaticity value (RGB value) of image information on the coffee roasted coffee beans or ground coffee powder C1 analyzed by the chromaticity analysis unit 31. It is configured to be extracted from the chromaticity number or Agtron number distribution values as a reference stored in the internal memory area 30a.
- the display processing unit 33 stores the chromaticity number or the Agtron number of the coffee roasted beans or ground coffee powder C1 extracted by the chromaticity extraction unit 32 in the internal memory area 30a so that it can be viewed. It is configured to be displayed as a number in percentage units on the screen of the mobile terminal 10.
- the user checks the chromaticity number or the Agtron number, which is a number in percentage units displayed on the screen of the portable terminal 10, while easily checking the roasting status of the coffee roasted bean or coffee ground powder (C1) at any time. It can be.
- the calibration processing unit 34 is for correcting the chromaticity value and the photographing position of the camera 11, and for this purpose, the calibration sheet 40 having a shape corresponding to the outer shape of the measuring container 200 is provided. To use.
- the calibration sheet 40 provides a chromaticity value as a reference for analyzing the chromaticity value of the coffee roasted bean or ground coffee powder C1. This is because the camera 11 of the mobile terminal 10 does not have a common chromaticity value for each manufacturer, but has different chromaticity values, so that the chromaticity value of the camera 11 is the reference given to the calibration sheet 40. This is to correct the chromaticity value.
- the exit port T2 side of the optical terminal 20 is placed on the measurement container 200 on which the calibration sheet 40 is placed. Tightly bonded.
- the camera 11 of the portable terminal 10 is closely coupled to the entrance port T1 of the optical terminal 20.
- the photographed image information is transmitted to the coffee colorimeter app 30.
- the chromaticity analysis unit 31 in the coffee colorimeter app 30 analyzes the chromaticity value of the photographed image for the calibration sheet 40 and provides the analyzed chromaticity value to the calibration processing unit 34.
- the chromaticity analysis unit 31 analyzes the chromaticity value of the camera 11 itself.
- the calibration processing unit 34 may correct the chromaticity value of the camera 11 analyzed by the chromaticity analyzer 31 based on the chromaticity value of the calibration sheet 40 that has been photographed.
- the calibration processing unit 34 stores the chromaticity value of the camera 11 analyzed by the chromaticity analysis unit 31 in the internal memory area 30a based on the chromaticity value of the calibration sheet 40.
- the chromaticity value of the camera 11 is corrected to match the corrected chromaticity reference value.
- the photographing position of the camera 11 can be corrected by the calibration processing unit 34.
- the calibration processing unit 34 compares the calibration sheet information, which is a reference stored in the internal memory area 30a, with the photographed image information of the calibration sheet 40 photographed by the camera 11 to determine whether they match or do not match. Is determined and the determination result is displayed on the screen of the mobile terminal 10.
- the calibration process as described above is performed again to correct the photographing position of the camera 11, and if it is determined as match, the camera 11 This is to end the calibration.
- the reason for correcting the chromaticity value and the shooting position for the camera 11 by using the calibration sheet 40 is that the location as well as the chromaticity value of the camera 11 for each manufacturer of the mobile terminal 10 is Since they are different, this is to correct them.
- the motion recognition unit 35 sets the calibration processing unit 34 to an active mode. It was configured to convert.
- the authentication processing unit 36 is configured to authenticate lock key information scanned through the portable terminal 10 or manually input lock key information.
- the platform registration unit 37 includes a chromaticity number or an Agtron number of the measurement object extracted by the chromaticity extraction unit 32, or a chromaticity value of the camera 11 corrected by the calibration processing unit 34 as well as a photographing position. It is configured to transmit and register information to the cloud-based platform server 100 using the communication network of the mobile terminal 10.
- step (a) the optical terminal 20 for providing illumination for interworking with the portable terminal 10 Is to authenticate.
- the optical terminal 20 is printed or attached with a lock key 27 made of a barcode or serial number, so that the user can scan the lock key 27 through the camera 11 of the mobile terminal 10 or Alternatively, the serial number is manually entered into the mobile terminal 10.
- the authentication processing unit 36 in the coffee colorimeter app 30 mounted on the mobile terminal 10 accesses the cloud-based platform server 100 using the communication network of the mobile terminal 10, and then the lock key ( 27) It is to authenticate information.
- the user covers the camera 11 of the portable terminal 10 with the entrance port T1 of the optical terminal 20, and the The calibration sheet 40 placed on the measuring container 200 is covered by the exit port T2 of the optical terminal 20 and placed.
- the calibration sheet 40 is photographed, and the chromaticity of the camera 11 It is to correct the value and the shooting position.
- the separation signal may be transmitted to the coffee colorimeter app 30 mounted on the portable terminal 10 through the communication module 23. Then, according to the separation signal, the coffee colorimeter app 30 photographs the calibration sheet 40 placed on the measuring container 200 through the camera 11.
- the chromaticity analysis unit 31 in the coffee colorimeter app 30 compares and analyzes the chromaticity value of the calibration sheet 40 photographed by the camera 11 with its own chromaticity value of the camera 11, and then a calibration processing unit (34).
- the calibration processing unit 34 corrects the chromaticity value of the camera 11 itself to a chromaticity value that is a reference of the calibration sheet 40, while a calibration sheet that is a reference stored in the internal memory area 30a.
- the shape information of is compared to determine whether it matches or is inconsistent, and if the determination result is inconsistent, it induces correction of the photographing position of the camera 11, and if it matches, the calibration correction for the camera 11 ends. .
- the calibration processing unit 34 stores the calibration correction information for the camera 11 in the internal memory area 30a and at the same time to the cloud-based platform server 100 using the communication network of the portable terminal 10. You can send and register.
- the transmitted calibration information includes product information (eg, model name, manufacturer, communication network, etc.) for the portable terminal 10.
- the user inserts coffee roasted beans or coffee ground powder (C1) into the measuring container 200, and the optical terminal The coffee bean or coffee ground powder C1 is photographed through the camera 11 on which calibration correction has been made while receiving illumination from 20.
- the chromaticity analysis unit 31 included in the coffee colorimeter app 30 is a chromaticity value from the image information of the coffee roasting bean or coffee ground powder C1 photographed by the camera 11 After analyzing, it may be provided to the chromaticity extraction unit 32. Accordingly, the chromaticity extracting unit 32 may extract the chromaticity number or Agtron number corresponding to the analyzed chromaticity value from the chromaticity number or Agtron number distribution values stored in the internal memory area 30a. In addition, the extracted chroma number or Agtron number can be stored in the internal memory area 30a and transmitted to the cloud-based platform server 100 using the communication network of the portable terminal 10 for registration.
- the display processing unit 33 included in the coffee colorimeter app 30 displays the chromaticity number or Agtron number extracted by the chromaticity extraction unit 32 on the screen of the mobile terminal 10. It can be expressed as a number in percentage units. Accordingly, the user may use the number displayed on the mobile terminal 10 to crush the coffee beans or coffee through the chromaticity number or the Agtron number for the coffee roasted beans or coffee ground powder (C1) accommodated in the measuring container 200. It is possible to check the roasting status of the powder (C1).
- step (d) to the cloud-based platform server 100, the chromaticity number or Agtron number information for the coffee roasted coffee beans or ground coffee powder (C1) to be measured is transmitted and stored. Then, users who have been granted the permission to use the platform server 100 can develop special coffee while sharing advice and know-how on the roasting method by sharing chromaticity information, and the consumption of beans used by region and roasting through the establishment of big data. It is possible to greatly contribute to the development of the coffee industry by creating a coffee trend map by region, such as methods.
- the camera 11 of the portable terminal 10 is not directly coupled to the optical terminal 20, and a separate mounting member (eg, a clip lens , Cradle) or a separate mounting member is fixed to the upper end of the optical terminal 20 to show the embodiments of coupling the camera 11 of the portable terminal 10 to the optical terminal 20.
- a separate mounting member eg, a clip lens , Cradle
- a separate mounting member is fixed to the upper end of the optical terminal 20 to show the embodiments of coupling the camera 11 of the portable terminal 10 to the optical terminal 20.
- the optical terminal 20 is attached to the clip lens 50 in a state in which the clip lens 50 covering the camera 11 is coupled to the mobile terminal 10. To be able to combine.
- the mobile terminal 10 is mounted on a cradle 60 having a lens mounting part 61 capable of adjusting movement, and the lens mounting part 61 is mounted according to the position of the camera 11. It is to be able to move, and in this case, the optical terminal 20 is coupled to the position-adjusted lens mounting part 61.
- the cradle 60 is coupled to the optical terminal 20, but is not necessarily limited to this, and a dedicated terminal in which the optical terminal 20 is integrated with the cradle 60 may be used. There is.
- applying the clip lens 50 or the cradle 60 as described above increases the adhesion between the camera 11 of the portable terminal 10 and the optical terminal 20. While, it is possible to more clearly photograph the image photographing effect of the coffee roasted coffee bean or coffee ground powder (C1) to be measured accommodated in the measurement container 200 through the camera 11. This is to make it possible to extract the color number or Agtron number more clearly through such vivid shooting.
- the present invention enables anyone to easily distinguish the degree of roasting for coffee beans, provides or receives coffee of a high level of reliability, enables online roasting development, and helps to ensure uniform roasting quality. .
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Abstract
Description
Claims (34)
- 카메라를 구비하고, 상기 카메라를 통해 커피 볶음두 또는 커피 분쇄 가루를 촬영하는 휴대 단말; 및, 상기 카메라를 커버하는 것으로, 상기 카메라를 통해 커피 볶음두 또는 커피 분쇄 가루 촬영시 일정한 측정을 위한 조명을 제공하는 광학 단말; 을 포함하고,상기 휴대단말에는 상기 카메라로부터 촬영되는 커피 볶음두 또는 커피 분쇄 가루의 이미지 정보에 대한 색도값을 분석하고 이에 해당하는 색도 넘버 또는 아그트론 넘버를 추출하는 커피 색도계 앱이 탑재되는 것을 특징으로 하는 커피 로스팅 색도 측정시스템.
- 제 1 항에 있어서,상기 광학 단말은,상기 카메라를 통해 커피 볶음두 또는 커피 분쇄 가루에 대한 촬영이 이루어질 때 주변 빛에 의해 색도가 변화되는 변수가 제거되도록 외부 빛이 차단되는 암실, 그리고 상기 암실을 기준으로 입사구와 출사구를 가지는 본체부;상기 본체부내 상기 암실의 일단에 배치되어 상기 출사구의 방향으로 조명을 조사하는 광원부;상기 휴대 단말과 통신하는 통신모듈; 및,상기 광원부와 상기 통신모듈에 구동 전원을 공급하는 전원 공급부; 를 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 2 항에 있어서,상기 입사구의 직경은 상기 카메라를 커버하는 직경을 가지고,상기 출사구의 직경은 커피 볶음두 또는 커피 분쇄 가루가 수용되는 측정용기를 커버하는 직경을 가지며,상기 출사구의 직경은 상기 입사구의 직경 대비 적어도 2배 이상 가지도록 상기 암실은 경사지게 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 3 항에 있어서,상기 전원 공급부는 내장형의 충전 배터리 또는 교체 가능한 배터리로 구성하되, 상기 광학 단말에는 상기 전원 공급부를 이루는 내장형 충전 배터리를 충전시키는 충전 회로부와, 상기 충전 회로부와 전기적으로 연결되는 충전단자를 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 4 항에 있어서,상기 광원부는 LED 광원, OLED 광원, CCFL 광원 중 어느 하나인 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 5 항에 있어서,상기 암실의 내벽면에는 측정용기에 수용되는 커피 볶음두 또는 커피 분쇄 가루로 상기 광원부의 조명을 분산 조사하는 광원 분산층을 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 6 항에 있어서,상기 광학 단말에는 잠금 키를 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 7 항에 있어서,상기 잠금 키는 상기 카메라를 통해 스캔되는 바코드 또는 상기 휴대 단말로 수동 입력되는 시리얼 번호인 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 8 항에 있어서,상기 통신모듈은 상기 카메라에 의해 바코드가 스캔되거나 또는 상기 휴대 단말로 시리얼 번호가 수동 입력시, 상기 휴대 단말의 통신부와 자동 페어링되도록 구성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 9 항에 있어서,상기 광학 단말에는 상기 카메라를 커버시, 그 커버 입사구측과 카메라 렌즈 위치 상태를 자동 확인하는 위치 결합 감지기가 형성되고,상기 위치 결합 감지기는 상기 본체부의 입사구측에 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 10 항에 있어서,상기 광학 단말에는 캘리브레이션 시트의 탈부착을 위한 시트 장착부가 형성되고,상기 시트 장착부에는 상기 캘리브레이션 시트의 탈부착 여부를 감지한 후 그 감지신호를 상기 통신모듈을 통해 상기 커피 색도계 앱으로 전송하는 캘리브레이션 시트 감지기를 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 11 항에 있어서,상기 본체부의 출사구측에는 제 1 결합부가 형성되고, 커피 볶음두 또는 커피 분쇄 가루가 수용된 측정용기의 상면 또는 둘레면에는 상기 제 1 결합부에 대응하는 제 2 결합부를 형성하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 12 항에 있어서,상기 제 1 결합부는 고정 가이드돌기이고, 상기 제 2 결합부는 상기 고정 가이드돌기가 끼움 결합되는 돌기홈인 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 12 항에 있어서,상기 제 1 결합부는 돌기홈이고, 상기 제 2 결합부는 상기 돌기홈에 끼움 결합되는 고정 가이드돌기인 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 12 항에 있어서,상기 커피 색도계 앱에는 기준이 되는 색도 넘버 또는 아그트론 넘버 분포값들을 테이블화하여 저장시킨 내부 메모리 영역이 형성되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 15 항에 있어서,상기 커피 색도계 앱은,상기 카메라 자체의 색도값은 물론, 상기 카메라에 의해 촬영되는 커피 볶음두 또는 커피 분쇄 가루의 이미지 정보에 대한 색도값을 분석하는 색도 분석부;상기 색도 분석부에 의해 분석되는 이미지 정보의 색도값에 해당하는 색도 넘버 또는 아그트론 넘버를 상기 내부 메모리 영역에 저장하여둔 기준이 되는 색도 넘버 또는 아그트론 넘버 분포값들로부터 추출하는 색도 추출부; 및,상기 색도 추출부에 의해 추출된 색도 넘버 또는 아그트론 넘버를 상기 내부 메모리 영역에 저장하면서, 이를 열람 가능하도록 상기 휴대 단말의 화면상에 백분율 단위의 숫자로 표시하는 표시 처리부; 를 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 16 항에 있어서,상기 커피 색도계 앱에는 상기 카메라에 대한 색도값과 촬영 위치를 보정하는 캘리브레이션 처리부; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 17 항에 있어서,상기 캘리브레이션 처리부에 의한 상기 카메라의 색도값과 촬영 위치 보정은 측정 용기의 외형에 대응되는 형상을 가지는 상기 캘리브레이션 시트(calibration sheet)를 이용하되,상기 캘리브레이션 시트는 기준이 되는 색도값을 가진 것이며, 상기 커피 색도계 앱의 내부 메모리 영역에는 기준이 되는 상기 캘리브레이션 시트의 형상 정보가 저장되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 18 항에 있어서,상기 캘리브레이션 처리부는 상기 내부 메모리 영역에 저장되는 기준이 되는 상기 캘리브레이션 시트의 형상 정보와 상기 카메라에 의해 촬영되는 캘리브레이션 시트의 촬영 이미지 정보를 비교하여 일치 또는 불일치 여부를 판정하고 그 판정결과를 상기 휴대단말의 화면상에 표출하는 프로세스를 가지는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 19 항에 있어서,상기 색도 분석부는 상기 카메라 자체의 색도값은 물론, 상기 카메라에 의해 촬영되는 상기 캘리브레이션 시트의 이미지 정보에서 기준이 되는 색도값을 분석한 후 이를 상기 캘리브레이션 처리부에 제공하고,상기 캘리브레이션 처리부는 상기 카메라의 색도값이 상기 색도 분석부에 의해 분석되는 색도값을 기준으로 내부 메모리 영역에 저장되어 있는 보정 색도 기준값과 일치하게 상기 카메라의 색도값을 보정하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 20 항에 있어서,상기 커피 색도계 앱에는 상기 캘리브레이션 시트 감지기에 의해 감지되는 상기 캘리브레이션 시트의 분리 신호가 상기 통신모듈을 통해 입력시, 상기 캘리브레이션 처리부를 활성 모드로 전환시키는 동작 인식부; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 21 항에 있어서,상기 커피 색도계 앱에는 상기 휴대 단말을 통해 스캔되는 잠금 키 정보 또는 수동 입력되는 잠금 키 정보를 인증하는 인증 처리부; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 22 항에 있어서,상기 커피 색도계 앱에는,상기 색도 추출부에 의해 추출되는 커피 볶음두 또는 커피 분쇄 가루의 측정 색도 넘버나 아그트론 넘버 결과 또는 상기 캘리브레이션 처리부에 의해 보정되는 상기 카메라의 색도값 정보를 상기 휴대 단말의 통신망을 이용하여 클라우드 기반의 플랫폼 서버로 전송하여 등록시키는 플랫폼 등록부; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 1 항에 있어서,상기 휴대 단말에는 상기 카메라를 커버하는 클립 렌즈가 결합되고,상기 클립 렌즈에 상기 광학 단말이 결합되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 1 항에 있어서,상기 휴대 단말에는 상기 카메라를 커버하는 클립 렌즈가 결합되고,상기 클립 렌즈에는 상기 광학 단말이 일체로 형성되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 1 항에 있어서,상기 휴대 단말은 크래들에 장착되고, 상기 크래들에는 상기 휴대 단말에 형성되는 카메라의 위치에 따라 이동 조절이 가능한 렌즈 장착부를 형성하며, 상기 렌즈 장착부에 상기 광학 단말이 결합되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- 제 1 항에 있어서,상기 휴대 단말은 크래들에 장착되고, 상기 크래들에는 상기 휴대 단말에 형성되는 카메라의 위치에 따라 이동 조절이 가능한 렌즈 장착부를 형성하며,상기 렌즈 장착부에는 상기 광학 단말이 일체로 형성되는 것을 특징으로 하는 커피 로스팅 색도 측정 시스템.
- (a) 휴대 단말과 광학 단말을 연동시키도록 인증하는 단계;(b) 상기 (a)단계로부터 광학 단말이 인증시, 상기 광학 단말의 입사측으로 휴대 단말의 카메라를 커버하고, 상기 광학 단말의 출사측은 측정용기에 올려진 캘리브레이션 시트를 커버하면서, 상기 카메라가 상기 광학 단말로부터 조명을 제공받으면서 상기 캘리브레이션 시트를 촬영하여, 상기 카메라의 색도값과 촬영 위치를 보정하는 단계;(c) 상기 (b)단계로부터 진행되는 상기 카메라에 대한 색도값과 촬영 위치 보정 이후에, 상기 측정용기에 커피 볶음두 또는 커피 분쇄 가루를 투입하고, 상기 광학 단말로부터 조명을 제공받으면서 상기 카메라를 통해 상기 커피 볶음두 또는 커피 분쇄 가루를 촬영하는 단계;(d) 상기 (c)단계로부터 상기 휴대단말에 탑재된 커피 색도계 앱은 상기 카메라에 의해 촬영된 커피 볶음두 또는 커피 분쇄 가루의 이미지 정보로부터 색도값을 분석하고 그 분석된 색도값에 해당하는 색도 넘버 또는 아그트론 넘버를 내부 메모리 영역에 저장된 색도 넘버 또는 아그트론 넘버 분포값들로부터 추출하는 단계; 및,(e) 상기 (d)단계로부터 색도 넘버 또는 아그트론 넘버가 추출시 이를 상기 휴대단말의 화면상에 백분율 단위의 숫자로 표시하는 단계; 를 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 28 항에 있어서,상기 (a)단계는,(a-1) 광학 단말에 표시되는 잠금 키를 휴대단말을 이용하여 바코드 스캔 또는 상기 휴대단말에 잠금 키 정보를 수동 입력하는 단계; 및,(a-2) 상기 (a-1)단계로부터 바코드 스캔 또는 수동 입력되는 잠금 키 정보가 등록된 정보인지를 인증하는 단계; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 29 항에 있어서,상기 (b)단계는,(b-1) 상기 광학 단말로부터 캘리브레이션 시트가 분리시 그 분리 신호를 커피 색도계 앱으로 전송하는 단계;(b-2) 상기 (b-1)단계로부터 전송되는 분리 신호에 따라 상기 커피 색도계 앱은 상기 카메라를 통해 측정용기에 올려진 상기 캘리브레이션 시트를 촬영하는 단계;(b-3) 상기 (b-2)단계에서 상기 커피 색도계 앱은 상기 카메라에 의해 촬영되는 캘리브레이션 시트의 색도값을 분석하는 한편, 내부 메모리 영역에 저장되는 기준이 되는 캘리브레이션 시트의 형상 정보를 비교하여 일치 또는 불일치 여부를 판정하는 단계; 및,(b-4) 상기 (b-3)단계로부터 상기 커피 색도계 앱은 상기 캘리브레이션 시트의 색도값을 기준으로 내부 메모리 영역에 저장되어 있는 보정 색도 기준값과 일치하게 상기 카메라의 색도값을 보정하는 한편, 상기 (b-3)단계의 판정결과 불일치하면 상기 카메라의 촬영 위치 보정을 유도하고, 일치하면 상기 카메라에 대한 캘리브레이션 보정을 종료하는 단계; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 30 항에 있어서,상기 (b-4)단계에는,상기 카메라에 대한 캘리브레이션 보정 정보를 커피 색도계 앱의 내부 메모리 영역에 저장하면서 상기 휴대 단말의 통신망을 이용하여 클라우드 기반의 플랫폼 서버로 전송하여 등록시키는 단계; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 31 항에 있어서,상기 플랫폼 서버로 전송되어 등록되는 캘리브레이션 보정 정보에는 상기 휴대 단말에 대한 제품 정보를 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 32 항에 있어서,상기 제품 정보는 휴대단말의 모델명, 휴대단말의 제조사, 휴대단말의 가입 통신망 중 어느 하나 또는 이들을 모두 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
- 제 33 항에 있어서,상기 (d)단계에는,상기 커피 색도계 앱에 의해 추출되는 측정대상의 색도 넘버 또는 아그트론 넘버를 내부 메모리 영역에 저장하면서 상기 휴대 단말의 통신망을 이용하여 클라우드 기반의 플랫폼 서버로 전송하여 등록시키는 단계; 를 더 포함하는 것을 특징으로 하는 커피 로스팅 색도 측정 방법.
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