CN114145633A - Automatic evaluation optimization method and system for coffee machine - Google Patents
Automatic evaluation optimization method and system for coffee machine Download PDFInfo
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- CN114145633A CN114145633A CN202111313459.3A CN202111313459A CN114145633A CN 114145633 A CN114145633 A CN 114145633A CN 202111313459 A CN202111313459 A CN 202111313459A CN 114145633 A CN114145633 A CN 114145633A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
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Abstract
The invention provides an automatic evaluation optimization method of a coffee machine, which comprises the following steps: s10, obtaining preset brewing target parameters of the coffee machine; s20, obtaining brewing operation parameters when the coffee machine operates; s30, judging whether the brewing operation parameters meet the brewing target parameters; and S40, judging the error type when the brewing operation parameter does not accord with the brewing target parameter, and configuring an automatic optimization execution instruction according to the error type. The invention also provides an automatic evaluation and optimization system of the coffee machine. The coffee machine is provided with a sensor to obtain brewing operation parameters, and whether errors occur in the coffee machine at present is judged by judging the matching condition of the brewing target parameters and the brewing operation parameters in real time each time the coffee machine operates. And when the coffee maker has an error, judging the error type, making a corresponding automatic optimization execution instruction, automatically correcting the error, re-operating after automatically correcting the error, and repeating the steps S10 to S40 until the prepared coffee flavor meets the coffee flavor required by the user, so that the maintenance frequency of professionals is reduced, the equipment failure rate is reduced, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of coffee machines, in particular to an automatic evaluation optimization method and system for a coffee machine.
Background
With the rise of the domestic coffee market, the full-automatic coffee machine is arranged in a plurality of beverage shops, office places or home places, and coffee beverages can be prepared quickly and efficiently. However, as for the full-automatic coffee machine, the coffee flavor changes due to internal problems of the coffee machine along with the prolonging of the service time, the regular calibration and the maintenance need to be carried out on the coffee machine so as to maintain the good flavor of the coffee drink produced by the coffee machine, and the calibration or maintenance work takes time and costs.
Disclosure of Invention
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The invention provides an automatic evaluation optimization method of a coffee machine, which comprises the following steps:
s10, obtaining preset brewing target parameters of the coffee machine;
s20, obtaining brewing operation parameters when the coffee machine operates;
s30, judging whether the brewing operation parameters meet the brewing target parameters;
and S40, judging the error type when the brewing operation parameter does not accord with the brewing target parameter, and configuring an automatic optimization execution instruction according to the error type.
Preferably, step S40 includes the steps of:
s411, when the error type is that the operation density of the coffee powder cake in the extraction assembly of the coffee machine is smaller than the preset target density of the coffee powder cake of the coffee machine, configuring an automatic step-by-step fine-adjustment optimization instruction of a coarse-fine grinding gear of a grinding assembly of the coffee machine so as to enable the operation density of the coffee powder cake to accord with the target density of the coffee powder cake.
Preferably, the brewing target parameter comprises an extraction target time t1Target flow velocity V of extraction1Target extraction pressure P1(ii) a The brewing operation parameter comprises an extraction operation time t2And the extraction operation flow velocity V2Extraction operating pressure P2；
In step S411, when t is reached2<t1，V2>V1，P2<P1And judging that the running density of the coffee powder cake is less than the target density of the coffee powder cake.
Preferably, the method further comprises step S412:
after the automatic fine-tuning optimization step by step in step S411, the continuous n is automatically evaluated1The operating density of the coffee powder cake is still less than the target density of the coffee powder cake in the cup making process, and the powder pressing force gear of the extraction component of the coffee machine is configured to automatically increase an optimization instruction step by step so as to ensure that the coffee powder cake is enabled to be smaller than the target density of the coffee powder cakeThe running density meets the target density of the coffee powder cake; wherein n is1≥3。
Preferably, the method further comprises step S413:
when the powder pressing force gear is automatically increased and optimized step by step in the step S412, the continuous n is automatically evaluated2In the cup making process, the running density of the coffee powder cake is still less than the target density of the coffee powder cake, and the coffee machine is provided with a fault alarm; wherein n is2≥3。
Preferably, said brewing target parameter comprises a first preset temperature T at the milk foamer inlet of the coffee machine2And a second predetermined temperature T at the outlet4(ii) a The brewing operating parameter comprises a first operating temperature T at the inlet of the milk frothing device1And a second operating temperature T at the outlet3；
Step S40 includes the following steps:
s421, when the first operation temperature T is1Is not equal to the first preset temperature T2The coffee machine is provided with milk temperature warning;
s422, when the second operation temperature T3Is not equal to the second preset temperature T4The coffee machine automatically adjusts the milk pump flow rate to optimize the second predetermined temperature T3。
Preferably, the method further comprises step S423:
when the first operating temperature T1Equal to a first predetermined temperature T2While matching the first operating temperature T1The air inflow and the rotating speed of the corresponding milk pump are used for automatically optimizing milk foam.
The invention also provides an automatic evaluation and optimization system of the coffee machine, which comprises:
the acquisition module is used for acquiring brewing target parameters and brewing operation parameters;
the evaluation module is used for comparing the brewing target parameter and the brewing operation parameter and judging the error type;
and the optimization module is used for configuring an automatic optimization execution instruction according to the error type.
Preferably, the acquisition module comprises a first pressure sensor, a flow sensor and a timing sensor; the first pressureThe force sensor is used for acquiring a pressure value in the coffee boiler so as to represent extraction operating pressure P in an extraction assembly communicated with an outlet end of the coffee boiler2(ii) a The flow sensor is arranged at the outlet of the water pump of the coffee machine and used for acquiring the extraction operation flow velocity V2(ii) a The timing sensor is used for acquiring the extraction running time t of the extraction assembly2；
The evaluation module is an operation element integrated in the control unit, and the control unit sends an optimization demand instruction to the optimization module according to the error type of operation;
the optimization module comprises a coarse-fine grinding gear adjusting module and a powder pressing force gear adjusting module.
Preferably, the optimization module further comprises:
the coffee boiler pressure control module is used for adjusting the extraction operation pressure;
the water pump flow rate control module is used for adjusting the extraction operation flow rate;
the coffee boiler temperature control module is used for adjusting the temperature of the brewing water;
the steam boiler temperature control module and the steam boiler pressure control module are used for adjusting the heating temperature of the milk in the trigger;
and the milk pump flow rate control module is used for adjusting the milk flow rate.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an automatic evaluation and optimization method of a coffee machine, wherein the coffee machine is provided with a sensor to obtain brewing operation parameters, and whether the inside of the coffee machine has errors currently is judged by judging the matching condition of the brewing target parameters and the brewing operation parameters in real time each time the coffee machine runs. And when the coffee maker has an error, judging the error type, making a corresponding automatic optimization execution instruction, automatically correcting the error, re-operating after automatically correcting the error, and repeating the steps S10 to S40 until the prepared coffee flavor meets the coffee flavor required by the user, so that the maintenance frequency of professionals is reduced, the equipment failure rate is reduced, and the maintenance cost is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of an automated evaluation optimization method of the present invention;
FIG. 2 is a flowchart illustrating the error-determining optimization procedure according to an embodiment of the present invention;
FIG. 3 is a block diagram of an automated valuation optimization system of the present invention;
fig. 4 is a fluid line pipe connection relationship diagram of the automatic evaluation optimization system of the present invention.
In the figure: 10. a water pump; 11. a flow sensor; 20. a coffee boiler; 21. a first pressure sensor; 22. a first temperature sensor; 30. a grinding assembly; 40. an extraction assembly; 41. a timing sensor; 50. a steam boiler; 51. a second temperature sensor; 52. a second pressure sensor; 60. a hair pin; 70. a milk pump; 81. an intake valve; 82. a first valve; 83. a second valve; 84. a third valve; 85. a fourth valve; 86. a fifth valve; 90. a beverage placing table;
101. an acquisition module; 102. an evaluation module; 103. an optimization module; 104. a control unit.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example 1
The invention provides an automatic evaluation optimization method of a coffee machine, which comprises the following steps as shown in figure 1:
s10, obtaining preset brewing target parameters of the coffee machine;
s20, obtaining brewing operation parameters when the coffee machine operates;
s30, judging whether the brewing operation parameters meet the brewing target parameters;
and S40, judging the error type when the brewing operation parameter does not accord with the brewing target parameter, and configuring an automatic optimization execution instruction according to the error type. Specifically, the coffee machine is provided with a storage module, a user inputs brewing target parameters according to the requirement, and the brewing target parameters are stored in the storage module. The coffee machine is provided with a sensor to obtain brewing operation parameters, and whether errors occur in the coffee machine at present is judged by judging the matching condition of the brewing target parameters and the brewing operation parameters in real time each time the coffee machine operates. And when the coffee maker has an error, judging the error type, making a corresponding automatic optimization execution instruction, automatically correcting the error, re-operating after automatically correcting the error, and repeating the steps S10 to S40 until the prepared coffee flavor meets the coffee flavor required by the user, so that the maintenance frequency of professionals is reduced, the equipment failure rate is reduced, and the maintenance cost is reduced.
Further, the brewing target parameter and/or the brewing operation parameter includes, but is not limited to, a water pump flow rate, an extraction temperature, an extraction time, an extraction pressure, a coffee powder compaction force, a milk beverage making temperature, a milk pump flow rate, and an air intake amount.
In one embodiment, as shown in fig. 2, step S40 includes the following steps:
s411, when the error type is that the operation density of the coffee powder cake in the extraction assembly of the coffee machine is smaller than the preset target density of the coffee powder cake of the coffee machine, configuring an automatic step-by-step fine-adjustment optimization instruction of a coarse-fine grinding gear of a grinding assembly of the coffee machine so as to enable the operation density of the coffee powder cake to accord with the target density of the coffee powder cake.
Specifically, as shown in fig. 4, the coffee maker includes a water pump 10, a coffee boiler 20, a grinding assembly 30, and an extraction assembly 40. The water pump 10, the coffee boiler 20, the grinding assembly 30 and the extraction assembly 40 form a coffee liquid making line, two ends of the coffee boiler 20 are respectively communicated with the water pump 10 and the extraction assembly 40, and a flow sensor 11 is arranged on a water path communicated with the water pump 10 and the coffee boiler 20 and used for detecting the extraction operation flow velocity V2(ii) a The coffee boiler 20 is used for providing heating water, and is provided with a first pressure sensor 21 and a first temperature sensor 22 for respectively obtaining a pressure value and a temperature value in the coffee boiler 20 to represent an extraction operating pressure P2And the extraction operation temperature; grinding assembly 30 is separate from the fluid path conduit of the coffee maker, grinding assembly 30 is connected to extraction assembly 40, and grinding assembly 30 is configured to grind coffee beans to form coffee grounds and deliver the coffee grounds to extraction assembly 40. Filling the grinding assembly 30 with coffee beans, the grinding assembly 30 opening the grinding to form coffee powder and directing the coffee powder into the extraction assembly 40; the extraction assembly 40 compacts the coffee powder to form a coffee powder cake of a desired thickness; the water pump 10 supplies water into the coffee boiler 20, the coffee boiler 20 heats the water and then pours the water into the extraction assembly 40, the hot water flushes the coffee powder cake, the hot water penetrates the compacted coffee powder cake layer by layer as external pressure, and the coffee powder can separate out caffeine and tannin under the synergistic action of temperature and pressureDissolving the components in water, and extracting the flavor essence in the coffee powder cake to obtain coffee liquid, wherein the coffee liquid is guided to a coffee liquid outlet end of the coffee machine through a water path. The thickness of the powder in the coffee powder cake and the thickness of the powder cake can influence the extraction effect.
When the coffee machine is used initially, after the brewing target parameters are input by a user, the coffee liquid made by the coffee machine according to the brewing target parameters meets the taste of the user. As the service life of the coffee machine is prolonged, the abrasion amount of the grinding blades of the grinding assembly 30 of the coffee machine is increased, which results in a reduced grinding effect and a coarser ground coffee, further resulting in that the ground coffee is not easily compacted under the same compaction force of the extraction assembly 40, the thickness of the formed cake is increased, the pores between adjacent powder are increased, the density of the formed cake is reduced, brewing operation parameters are affected, the extraction flow rate is accelerated, the extraction is insufficient, and the flavor of the coffee is poor. Obtaining brewing target parameters and brewing operation parameters; the brewing target parameter and the brewing operation parameter are obtained through real-time comparison, the grinding effect is judged according to the comparison of the brewing target parameter and the brewing operation parameter, the thickness grinding gear is automatically adjusted to be fine, the size of ground powder is reduced, the extraction assembly 40 is conveniently compacted into the required cake thickness, and pores between adjacent powder are controlled, so that the coffee cake operation density meets the coffee cake target density, and the flavor of coffee liquid prepared through extraction is automatically adjusted to meet the flavor formed under the brewing target parameter condition preset by a user.
In one embodiment, the brewing target parameter comprises an extraction target time t1Target flow velocity V of extraction1Target extraction pressure P1(ii) a The brewing operation parameter comprises an extraction operation time t2And the extraction operation flow velocity V2Extraction operating pressure P2；
In step S411, when t is reached2<t1，V2>V1，P2<P1And judging that the running density of the coffee powder cake is less than the target density of the coffee powder cake. Specifically, taking espresso coffee as an example for illustration, the espresso coffee keeps the preferred extraction rate at 18% -22%, which corresponds to the extraction target time t1Is 20-30s, extraction target flow velocity V10.85-1.5ml/s, extraction target pressure P16-8bar, the extraction operation temperature is 85-95 ℃, and the powder pressing force of the extraction component 40 is 25-40 Kg. When the amount of abrasion of the grinding blade of the grinding unit 30 increases, the thickness of the coffee cake compacted in the extraction unit 40 increases, the porosity increases, the density of the coffee cake decreases, and the extraction operation time t is reduced2Reduced, extraction operating flow velocity V2Accelerated, extraction operating pressure P2And becomes smaller. By obtaining and evaluating the extraction run time t2And the extraction operation flow velocity V2Extraction operating pressure P2The change of the grinding cutter is determined to cause the coffee powder to be thickened to cause errors due to the fact that the grinding cutter is abraded, then the coffee powder can be automatically adjusted to be fine step by step through a coarse grinding gear, the coffee powder thickness is controlled in time, then the follow-up extraction effect is controlled, and the coffee flavor which is used by a user is maintained.
It should be understood that when the extraction is run time t2And the extraction operation flow velocity V2Extraction operating pressure P2The change in one or both of these parameters cannot be directly determined to be caused by the coarsening of the coffee powder due to the wear of the grinding blade, possibly due to an improper control of the operating parameters of a certain component of the coffee machine. For example, improper control of the coffee boiler pressure control module results in an extraction operating pressure P2And the extraction target pressure P1The inconsistency cannot represent that the grinding tool is damaged to cause the coffee powder to become coarse, and only the coffee boiler pressure control module is adjusted to cause the extraction operation pressure P2And the extraction target pressure P1And (5) matching.
Further, the method further includes step S412:
after the automatic fine-tuning optimization step by step in step S411, the continuous n is automatically evaluated1In the cup making process, the running density of the coffee powder cake is still smaller than the target density of the coffee powder cake, and the powder pressing force of the extraction assembly of the coffee machine automatically increases an optimization instruction step by step so that the running density of the coffee powder cake meets the target density of the coffee powder cake; wherein n is1Not less than 3. Specifically, when the automatic fine adjustment is optimized to the gear limit, the fine adjustment can not be continued, and the automatic evaluation result still judges the running density of the coffee powder cakeIf the density is still less than the target density of the coffee powder cake, namely the coffee powder is still coarse, the extraction is influenced, and the required extraction rate is achieved by increasing the powder pressing force gear, namely increasing the powder pressing force to compact and press the fine coffee powder. In actual operation, the relatively coarse powder in the coffee machine before optimization still remains in the initial optimization stage, and after automatic optimization, at least a third cup is used for continuous evaluation and test n1Taste of cup coffee, i.e. continuous evaluation of residual coarse powder after consumption1And (4) making coffee in a cup.
Further, the method further includes step S413:
when the powder pressing force gear is automatically increased and optimized step by step in the step S412, the continuous n is automatically evaluated2In the cup making process, the running density of the coffee powder cake is still less than the target density of the coffee powder cake, and the coffee machine is provided with a fault alarm; wherein n is2Not less than 3. Specifically, after the fine grinding gear is adjusted and the powder pressing force gear optimization instruction is increased step by step automatically, the operating density of the coffee powder cake is still smaller than the target density of the coffee powder cake, and the coffee machine still judges wrongly, a fault warning is configured and needs to be adjusted manually. Likewise, after automatic optimization, at least a continuous evaluation n is performed starting from the third cup2Taste of cup coffee, i.e. continuous evaluation of residual coarse powder after consumption2And (4) making coffee in a cup.
Further, the method further includes step S414:
when the coffee machine automatically optimizes to enable the coffee powder cake operation density to accord with the coffee powder cake target density, the brewing target parameter and the brewing operation parameter are not matched, and the coffee machine automatically optimizes the brewing operation parameter. Specifically, after error correction and optimization of the coffee machine, the coffee powder cake operation density is made to accord with the coffee powder cake target density, namely, the error type is automatically solved, the brewing target parameter and the brewing operation parameter are not matched yet, which indicates that the control of the component corresponding to the unmatched brewing operation parameter has a problem, and the control instruction of the component is automatically optimized, so that the brewing operation parameter accords with the brewing target parameter.
In an embodiment, said brewing target parameter comprises a first preset temperature T at the milk foamer inlet of the coffee machine2And a second predetermined temperature T at the outlet4(ii) a The brewing operating parameter comprises a first operating temperature T at the inlet of the milk frothing device1And a second operating temperature T at the outlet3；
Step S40 includes the following steps:
s421, when the first operation temperature T is1Is not equal to the first preset temperature T2The coffee machine is provided with milk temperature warning;
s422, when the second operation temperature T3Is not equal to the second preset temperature T4The coffee machine automatically adjusts the milk pump flow rate to optimize the second predetermined temperature T3。
Specifically, as shown in fig. 4, the coffee maker further includes a steam boiler 50, a generator 60, a milk pump 70, and an air intake valve 81. The water pump 10, the coffee boiler 20, the steam boiler 50, the whipper 60, the milk pump 70 and the air inlet valve 81 form a milk beverage making line, two ends of the steam boiler 50 are communicated with the coffee boiler 20 and the whipper 60, and two ends of the whipper 60 are communicated with the milk pump 70 and the milk outlet. The water pump 10 supplies water into the coffee boiler 20, the coffee boiler 20 heats the water and then pours the water into the steam boiler 50, and the steam boiler 50 heats the water to form steam to heat the milk in the whipper 60, so as to maintain the temperature of the milk in the whipper 60 within a desired temperature range, and sterilize the milk at a high temperature. The air inlet valve 81 is used to introduce a desired amount of air into the milk pump 70 to mix with milk and create milk foam through the whipper 60, which is directed to the milk outlet of the coffee maker via the water path. As shown, the coffee outlet and the milk outlet are opposite to the beverage placing table 90, and the beverage placing table 90 is used for placing the beverage cup.
Further, a first preset temperature T is defined2At 2-10 deg.C, when the first operation temperature T is1Below 2 ℃, the milk is at risk of freezing, when the first operating temperature T1Above 10 deg.C, the milk beverage has poor milk foaming effect. In order to ensure that the mouthfeel temperature of the prepared milk beverage is better, a second preset temperature T is limited460-65 ℃; when the second operation temperature T is3Below 60 ℃, the control unit of the coffee machine controls the milk pump 70 to reduce the flow rate so as to prolong the heating time of the milk in the whipper 60; on the contrary, when the second operation temperature T is3Above 65 deg.C, the control unit of the coffee machine controls the milk pump 70 andthe flow rate is fast to reduce the heating time of the milk in the beater 60.
Further, step S423 is also included:
when the first operating temperature T1Equal to a first predetermined temperature T2While matching the first operating temperature T1The air inflow and the rotating speed of the corresponding milk pump are used for automatically optimizing milk foam. In particular, the air intake valve 81 is a variable-ratio air valve, and the control unit in the coffee maker controls the air intake quantity of the air intake valve 81 to match different first operating temperatures T1The gas solubility of the milk at the time of use, to formulate a better foaming effect to which the user is accustomed.
Example 2
The invention provides an automatic evaluation and optimization system of a coffee machine, as shown in fig. 3 and 4, comprising:
the acquisition module 101 is used for acquiring brewing target parameters and brewing operation parameters;
the evaluation module 102 is used for comparing the brewing target parameter and the brewing operation parameter and judging the error type;
and the optimization module 103 is used for configuring an automatic optimization execution instruction according to the error type. Specifically, the acquisition module 101 is a sensor element with a corresponding acquisition function, and the brewing target parameters and the brewing operation parameters acquired by the acquisition module 101 are stored in the storage module 102; the evaluation module 102 comprises a computer program for judging an error type according to the brewing target parameter and the brewing operation parameter; the optimization module 103 configures the execution instructions for error correction for each component in the coffee machine that executes the brewing process.
Further, the device also comprises a storage module used for storing the brewing target parameter and the brewing operation parameter.
In one embodiment, the acquisition module 101 includes a first pressure sensor 21, a flow sensor 11, a timing sensor 41; the first pressure sensor 21 is used for acquiring a pressure value in the coffee boiler to represent an extraction operating pressure P in an extraction assembly communicated with an outlet end of the coffee boiler2(ii) a The flow sensor is arranged at the outlet of the water pump of the coffee machine and used for acquiring the extraction operation flow velocity V2(ii) a The timing sensor is used for acquiring the extraction running time t of the extraction assembly2；
The evaluation module 102 is an operation element integrated in the control unit 104, and the control unit sends an optimization demand instruction to the optimization module according to the error type of the operation;
the optimization module 103 comprises a coarse-fine grinding gear adjusting module and a powder pressing force gear adjusting module; the coarse and fine grinding gear adjusting module is arranged on the grinding assembly 30, and the powder pressing force gear adjusting module is arranged on the extraction assembly 40. In particular, when the amount of wear of the grinding knives of the grinding assembly 30 of the coffee machine increases with the time of use of the machine, the thickness of the cake formed increases and the porosity between adjacent powders increases, the density of the coffee cake decreases. The extraction running time t is obtained by configuring a timing sensor, the flow sensor 11 and the first pressure sensor 212And the extraction operation flow velocity V2Extraction operating pressure P2To the extraction target time t1Target flow velocity V of extraction1Target extraction pressure P1And matching operation, when the evaluation module judges that the result is wrong, automatically adjusting the density of the coffee powder cake through a coarse-fine grinding gear adjusting module and a powder pressing force gear adjusting module according to the priority, and judging whether error correction is successful or not by trying to prepare the flavor of the coffee beverage in the gear-by-gear adjusting process.
In one embodiment, the timing sensor 41 is integrated into the control unit 104.
Further, the acquisition module 101 further includes:
a first temperature sensor 22 disposed in the coffee boiler 20 for obtaining the temperature of the water in the coffee boiler 20;
a second temperature sensor 51 disposed in the steam boiler 50 for obtaining the temperature of the steam in the steam boiler 50;
a second pressure sensor 52 disposed on the steam boiler 50 for obtaining the pressure value inside the steam boiler 50;
a third temperature sensor 61 arranged at the inlet of the milk whipper 60 for obtaining a first operating temperature T1；
Third temperature sensor62 arranged at the outlet of the milk whipper 60 for obtaining a second operating temperature T3。
Further, the optimization module 103 further includes:
a coffee boiler pressure control module configured to the coffee boiler 20 for adjusting the extraction operation pressure;
the water pump flow rate control module is configured on the water pump 10 and used for adjusting the extraction operation flow rate;
a coffee boiler temperature control module, configured to the coffee boiler 20, for adjusting the brewing water temperature;
the steam boiler temperature control module and the steam boiler pressure control module are arranged on the steam boiler 50 and used for adjusting the heating temperature of the milk in the trigger;
a milk pump flow rate control module is configured to the milk pump 70 for adjusting the milk flow rate. Specifically, according to the error type obtained by the evaluation module 102, the corresponding optimization module 103 is adopted to perform corresponding brewing parameter adjustment so as to automatically adjust and configure the beverage flavor which is used by the user.
Further, the optimization module 103 further comprises a flushing module, and when the evaluation module judges that the error type is powder blockage, the flushing module is operated to flush the pipeline to keep smooth.
Example 3
The invention provides a full-automatic coffee machine, as shown in figure 4, the coffee machine comprises a water pump 10, a coffee boiler 20, a grinding assembly 30 and an extraction assembly 40. The water pump 10, the coffee boiler 20, the grinding assembly 30, the extraction assembly 40 form a coffee making line. The first valve 82 is disposed on the communication line between the coffee boiler 20 and the extraction module 40 for opening and closing the communication path.
Further, the coffee maker comprises a steam boiler 50, a dispenser 60, a milk pump 70 and an air inlet valve 81. The water pump 10, the coffee boiler 20, the steam boiler 50, the whipper 60, the milk pump 70, and the air inlet valve 81 form a milk drink making line. The coffee boiler 20 is connected to the steam boiler 50 by a second valve 83 for opening and closing the passage. The communication line between the coffee boiler 20 and the dispenser 60 is provided with a third valve 84 for opening and closing the communication path. The inlet of the milk pump 70 is provided with a fourth valve 85 for opening and closing the milk introducing pipeline.
Furthermore, the coffee machine further comprises a milk cleaning water path, a pipeline is arranged between the water pump 10 and the milk pump 70, the pipeline is provided with a fifth valve 86, and the water pump 10 introduces clean water into the milk flowing pipeline through the pipeline for cleaning.
In one embodiment, the coffee machine is in communication connection with the server to upload the brewing target parameters, the brewing operation parameters, the error reporting information and the error correction information acquired by the acquisition module to the server for the user to view.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The automatic evaluation optimization method of the coffee machine is characterized by comprising the following steps:
s10, obtaining preset brewing target parameters of the coffee machine;
s20, obtaining brewing operation parameters when the coffee machine operates;
s30, judging whether the brewing operation parameters meet the brewing target parameters;
and S40, judging the error type when the brewing operation parameter does not accord with the brewing target parameter, and configuring an automatic optimization execution instruction according to the error type.
2. The automatic evaluation optimization method of the coffee machine according to claim 1, characterized in that the step S40 comprises the following steps:
s411, when the error type is that the operation density of the coffee powder cake in the extraction assembly of the coffee machine is smaller than the preset target density of the coffee powder cake of the coffee machine, configuring an automatic step-by-step fine-adjustment optimization instruction of a coarse-fine grinding gear of a grinding assembly of the coffee machine so as to enable the operation density of the coffee powder cake to accord with the target density of the coffee powder cake.
3. Method for the automatic evaluation and optimization of a coffee machine according to claim 2, characterized in that said brewing target parameter comprises an extraction target time t1Target flow velocity V of extraction1Target extraction pressure P1(ii) a The brewing operation parameter comprises an extraction operation time t2And the extraction operation flow velocity V2Extraction operating pressure P2；
In step S411, when t is reached2<t1，V2>V1，P2<P1And judging that the running density of the coffee powder cake is less than the target density of the coffee powder cake.
4. The automatic evaluation optimization method of a coffee machine according to claim 3, further comprising step S412:
after the automatic fine-tuning optimization step by step in step S411, the continuous n is automatically evaluated1In the cup making process, the running density of the coffee powder cake is still smaller than the target density of the coffee powder cake, and a powder pressing force gear of an extraction assembly of the coffee machine is configured to automatically increase an optimization instruction step by step so that the running density of the coffee powder cake meets the target density of the coffee powder cake; wherein n is1≥3。
5. The automatic evaluation optimization method of a coffee machine according to claim 4, further comprising step S413:
when the powder pressing force gear is automatically increased and optimized step by step in the step S412, the continuous n is automatically evaluated2In the cup making process, the running density of the coffee powder cake is still less than the target density of the coffee powder cake, and the coffee machine is provided with a fault alarm; wherein n is2≥3。
6. Automatic evaluation of a coffee machine according to any of claims 1 to 5Optimization method, characterized in that said brewing target parameter comprises a first preset temperature T at the inlet of a milk whisk of a coffee machine2And a second predetermined temperature T at the outlet4(ii) a The brewing operating parameter comprises a first operating temperature T at the inlet of the milk frothing device1And a second operating temperature T at the outlet3；
Step S40 includes the following steps:
s421, when the first operation temperature T is1Is not equal to the first preset temperature T2The coffee machine is provided with milk temperature warning;
s422, when the second operation temperature T3Is not equal to the second preset temperature T4The coffee machine automatically adjusts the milk pump flow rate to optimize the second predetermined temperature T3。
7. The automatic evaluation optimization method of coffee machine according to claim 6, characterized in that it further comprises step S423:
when the first operating temperature T1Equal to a first predetermined temperature T2While matching the first operating temperature T1The air inflow and the rotating speed of the corresponding milk pump are used for automatically optimizing milk foam.
8. Automatic evaluation optimization system of coffee machine, characterized by, includes:
the acquisition module is used for acquiring brewing target parameters and brewing operation parameters;
the evaluation module is used for comparing the brewing target parameter and the brewing operation parameter and judging the error type;
and the optimization module is used for configuring an automatic optimization execution instruction according to the error type.
9. The automatic evaluation and optimization system of a coffee machine of claim 8, wherein the acquisition module comprises a first pressure sensor, a flow sensor, a timing sensor; the first pressure sensor is used for acquiring a pressure value in the coffee boiler so as to represent extraction operating pressure P in an extraction assembly communicated with an outlet end of the coffee boiler2(ii) a The flow sensor is arranged at the outlet of the water pump of the coffee machine and used for acquiring the extraction operation flow velocity V2(ii) a The timing sensor is used for acquiring the extraction running time t of the extraction assembly2；
The evaluation module is an operation element integrated in the control unit, and the control unit sends an optimization demand instruction to the optimization module according to the error type of operation;
the optimization module comprises a coarse-fine grinding gear adjusting module and a powder pressing force gear adjusting module.
10. The automatic evaluation optimization system of a coffee machine of claim 9, wherein the optimization module further comprises:
the coffee boiler pressure control module is used for adjusting the extraction operation pressure;
the water pump flow rate control module is used for adjusting the extraction operation flow rate;
the coffee boiler temperature control module is used for adjusting the temperature of the brewing water;
the steam boiler temperature control module and the steam boiler pressure control module are used for adjusting the heating temperature of the milk in the trigger;
and the milk pump flow rate control module is used for adjusting the milk flow rate.
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