Control method of coffee making equipment and coffee making equipment

Abstract

The invention relates to the technical field of coffee making, and discloses a control method of coffee making equipment and the coffee making equipment, the coffee making equipment is provided with a water tank, and the method comprises the steps that in the coffee making process, the first water amount of the water tank and the liquid outlet amount of the coffee making equipment are obtained; when the first water quantity reaches the lowest water level, determining a second water quantity required for completing coffee making according to the liquid outlet quantity; and controlling the coffee making process according to the relationship between the first water volume and the second water volume. Dynamic decision can be made according to the remaining water amount and the water amount required for reflecting the coffee making progress, making continues when the remaining water amount is enough to support the coffee making, or making stops and low-water-amount reminding is conducted when the remaining water amount is insufficient to support the coffee making, the continuity of coffee making is guaranteed to the maximum degree, and the coffee making efficiency is improved. Coffee quality is guaranteed, raw material waste is reduced, the technical effect of stable flavor of coffee is achieved, and user experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coffee making, in particular to a control method of a coffee making device and the coffee making device. BACKGROUND

[0002] Coffee is more and more popular, and fully automatic coffee products are more and more popular. At present, fully automatic coffee machines are widely used in families and commercial places, and the working principle is to deliver the water in the water tank to the extraction device by the water pump, so as to perform high-pressure extraction on the coffee powder in the extraction device, thereby completing coffee making.

[0003] In the coffee making process, if the water tank water quantity is directly stopped when it is lower than the minimum water level, the coffee taste will be affected, thereby causing waste of coffee powder and poor user experience. SUMMARY

[0004] The present application provides a control method of a coffee making device and the coffee making device to solve the problem that the coffee making process cannot be accurately controlled when the water quantity is low.

[0005] In a first aspect, the present application provides a control method of a coffee making device, the coffee making device being provided with a water tank, the method comprising: in the coffee making process, acquiring a first water quantity of the water tank and an already discharged liquid quantity of the coffee making device; when the first water quantity reaches a minimum water level, determining a second water quantity required for completing coffee making according to the already discharged liquid quantity; and controlling the coffee making process according to the size relationship between the first water quantity and the second water quantity.

[0006] The control method of the coffee making device provided by the present application can make dynamic decisions according to the remaining water quantity and the required water quantity reflecting the coffee making progress, continue making coffee when the remaining water quantity is sufficient to support this coffee making, or stop making coffee and give a low water quantity reminder when the remaining water quantity is insufficient to support this coffee making, thereby guaranteeing the continuity of coffee making to the greatest extent, ensuring the coffee quality, reducing the waste of raw materials, achieving the technical effect of stable coffee making flavor, and improving the user experience.

[0007] In an optional embodiment, determining the second water quantity required for completing coffee making according to the already discharged liquid quantity comprises: acquiring a coffee type of the currently made coffee, and determining a total liquid quantity according to the coffee type; and determining the second water quantity required for completing coffee making according to the difference between the total liquid quantity and the already discharged liquid quantity.

[0008] The application can dynamically monitor the water consumption required for the current coffee making by obtaining the total liquid amount and the liquid amount that has been discharged, thereby providing a basis for judging whether the water amount in the water tank can support the completion of the current coffee making, so as to stop making and perform low water amount reminding only when it cannot be supported, thereby avoiding stopping making regardless of whether the remaining water in the water tank can complete the current making when the set low water amount level is reached, and causing the coffee flavor to be damaged.

[0009] In an optional embodiment, when determining the total liquid amount according to the coffee type, the method further comprises: obtaining raw material information of the current coffee making, and determining the total liquid amount according to the coffee type and the raw material information.

[0010] The application can consider the influence of the raw material information on the final liquid amount when determining the total liquid amount, thereby improving the accuracy of the total liquid amount and the control accuracy of the coffee making process.

[0011] In an optional embodiment, the coffee making process is controlled according to the size relationship between the first water amount and the second water amount, including: if the second water amount is less than the product of the first water amount and a pre-set residual error coefficient, the coffee making process is continued, and low water amount reminding is performed after the coffee making is completed.

[0012] The application does not stop making when it is determined that the remaining water amount in the water tank can meet the current coffee making, thereby avoiding forced suspension of the making process, maximizing the continuity of coffee making, and thereby ensuring the coffee flavor and providing user experience.

[0013] In an optional embodiment, the coffee making process is controlled according to the size relationship between the first water amount and the second water amount, and further includes: if the second water amount is not less than the product of the first water amount and a pre-set residual error coefficient, it is judged whether the coffee making process is in the extraction stage; if not, the coffee making process is stopped, and low water amount reminding is performed after the making is stopped.

[0014] The application can directly suspend coffee making and perform low water amount reminding when the coffee extraction stage that affects the coffee flavor has ended or is not performed, thereby ensuring the coffee flavor and avoiding waste of coffee powder.

[0015] In an optional embodiment, the coffee making process is controlled according to the size relationship between the first water amount and the second water amount, and further includes: if it is in the extraction stage, the making process in the extraction stage is controlled according to the size relationship between the residual extraction liquid amount of the extraction stage and the first water amount.

[0016] The present application can accurately determine whether the residual water in the water tank can support the completion of the current coffee extraction stage by judging the size relationship between the residual extraction liquid and the residual first water when in the extraction stage, thereby ensuring the continuity of the extraction stage as much as possible and avoiding the influence of coffee flavor.

[0017] In an optional embodiment, the residual extraction liquid is the difference between the target extraction liquid and the extracted extraction liquid, and the production process of the extraction stage is controlled according to the size relationship between the residual extraction liquid and the first water of the extraction stage, including: if the residual extraction liquid is less than the product of the first water and a pre-set residual error coefficient, the production process of the extraction stage is continued, and the coffee production process is stopped after the extraction stage is completed, and a low water amount reminder is performed after the production is stopped; if the residual extraction liquid is not less than the product of the first water and the residual error coefficient, the production process of the extraction stage is stopped, and a low water amount reminder is performed after the production is stopped.

[0018] The present application can dynamically monitor whether the residual water can support the extraction stage of the current coffee production by judging whether the residual water meets the water requirement of the extraction stage, so as to stop the extraction only when it is insufficient to support, thereby ensuring the continuity of the extraction to the greatest extent and avoiding the influence of the coffee taste caused by the interruption of the extraction.

[0019] In an optional embodiment, the extracted liquid amount and the extracted extraction liquid amount of the coffee production device are determined, including: obtaining the extracted liquid amount of the coffee production device detected by the liquid amount detection device; determining the extracted extraction liquid amount according to the total liquid amount and the extracted liquid amount, or obtaining the extracted extraction liquid amount of the coffee production device detected by the liquid amount detection device.

[0020] The present application can determine the progress of the extraction stage in turn for the reference by determining the total extracted liquid amount or the extracted extraction liquid amount of the extraction stage when the minimum water level is triggered, and determine the water amount required for the end of the extraction, thereby providing accurate data support for ensuring the continuity of the extraction stage.

[0021] In an optional embodiment, the determination process of the residual error coefficient includes: obtaining the fourth water amount of the water tank when reaching the minimum water level multiple times; judging the stability between the multiple fourth amounts, and selecting the residual error coefficient within the pre-set error range based on the stability.

[0022] The present application can ensure that there is still some water left in the water tank after the coffee production is completed by setting the residual error coefficient when judging whether the residual water in the water amount meets the current coffee production, thereby avoiding the use of all the remaining water after the minimum water level in the coffee production, and avoiding the safety hazards caused by the pumping of air and the dry burning of the heating system, and ensuring the safety of the equipment and the user.

[0023] In an alternative embodiment, after stopping the coffee making process or the making process of the extraction stage, the method further comprises: in response to detecting that the first water quantity is higher than the minimum water level, and / or in response to receiving a making instruction from the user, controlling the coffee making device to continue the current stopped coffee making process.

[0024] The present application can complete the current coffee making process by continuing the coffee making process after adding water or after the user's instruction, thereby avoiding waste of coffee powder.

[0025] In a second aspect, the present application provides a control device of a coffee making device, the coffee making device being provided with a water tank, and the device comprising: a used water quantity monitoring module configured to acquire a first water quantity of the water tank and a liquid output quantity of the coffee making device during a coffee making process; a required water quantity determining module configured to determine a second water quantity required for completing the coffee making process according to the liquid output quantity when the first water quantity reaches a minimum water level; and a coffee making control module configured to control the coffee making process according to a size relationship between the first water quantity and the second water quantity.

[0026] In a third aspect, the present application provides a coffee making device, comprising: a controller, a water tank, a water level detection device, and a liquid output quantity detection device, the water level detection device and the liquid output quantity detection device being connected to the controller, and the water level detection device being arranged in the water tank; the controller comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the computer instructions to perform the control method of the coffee making device according to the first aspect or any one of the corresponding embodiments thereof.

[0027] The present application can make a dynamic decision according to the remaining water quantity and the required water quantity reflecting the coffee making progress by detecting the remaining water quantity in the water tank of the coffee making device and detecting the liquid output quantity, and can continue the coffee making process when the remaining water quantity is sufficient to support the current coffee making process, or stop the coffee making process and give a low water quantity warning when the remaining water quantity is insufficient to support the current coffee making process, thereby maximizing the continuity of the coffee making process, ensuring the coffee quality, reducing the waste of raw materials, achieving the technical effect of stable coffee making flavor, and improving the user experience.

[0028] In a fourth aspect, the present application provides a computer readable storage medium, the computer readable storage medium storing computer instructions, the computer instructions being configured to cause a computer to execute the control method of the coffee making device according to the first aspect or any one of the corresponding embodiments thereof.

[0029] In a fifth aspect, the present application provides a computer program product, comprising computer instructions, the computer instructions being configured to cause a computer to execute the control method of the coffee making device according to the first aspect or any one of the corresponding embodiments thereof. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the drawings required to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0031] Figure 1 is a schematic diagram of an application scenario according to an embodiment of the present application; Figure 2 is a first flowchart of a control method of a coffee making device according to an embodiment of the present application; Figure 3 is a second flowchart of a control method of a coffee making device according to an embodiment of the present application; Figure 4 is a condition judgment flowchart of a control method of a coffee making device according to an embodiment of the present application; Figure 5 is a third flowchart of a control method of a coffee making device according to an embodiment of the present application; Figure 6 is a structural block diagram of a control device of a coffee making device according to an embodiment of the present application; Figure 7 is a hardware structure schematic diagram of a controller according to an embodiment of the present application.

[0032] The drawing description label: 100-coffee making device; 101-controller; 102-water tank; 103-water level detection device; 104-outflow amount detection device. EMBODIMENT

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] It can be understood that before using the technical solutions disclosed in the embodiments of the present application, the type, use range, use scenario and the like of the personal information involved in the present application should be informed to the user and the authorization of the user should be obtained through appropriate means according to relevant laws and regulations.

[0035] The terms "first", "second", "third", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality" is two or more, unless otherwise explicitly and specifically limited.

[0036] As an optional application scenario of an embodiment of the present application, as shown in Figure 1 The coffee making device 100 includes a controller 101, a water tank 102, a water level detection device 103, and a liquid output detection device 104. The water level detection device 103 is arranged in the water tank 102. The water level detection device 103 can be a magnetic float detection device, a pressure sensor, an inductive liquid level sensor, etc. According to the specific water level detection device 103, multiple water level detection points can be arranged in the water tank 102, or multiple water level thresholds can be arranged in the water level detection logic, so that different water level prompts can be given when different water levels are reached, such as high water level, medium water level, and low water level. However, the lowest water level must be set to avoid water shortage during coffee making, which may cause air to be pumped in, the heating system to be dry, etc.

[0037] Taking a coffee machine as an example of the coffee making device 100, during use, water in the water tank is delivered to the heating system by a water pump, and after being heated, high-pressure extraction is performed on coffee powder, thereby completing coffee making. If the user does not notice the water level prompt before coffee making, and the water amount in the water tank 102 gradually decreases during coffee making, the water amount in the water tank 102 may reach the lowest water level during coffee making at a certain time. If the controller 101 cannot intelligently judge the remaining water amount, it may cause the remaining water amount to be sufficient but be paused, or the remaining water amount to be insufficient but continue to be made, thereby affecting the taste of coffee or causing safety hazards, etc.

[0038] Therefore, in order to ensure the flavor of coffee, water shortage must be avoided to ensure the continuity of coffee making, especially the continuity of the extraction stage. If the extraction is directly ended after water shortage, the extraction will not be complete, the extraction amount of concentrated liquid will be insufficient, the extraction of flavoring substances will be insufficient, the coffee will be tasteless and flavorless, there will be no rich feeling, and the coffee powder will be wasted. If the extraction is paused after water shortage and then continued after water is added, the extraction will be interrupted, the temperature will fluctuate, the pressure will be interrupted, or the powder cake will be soaked for a long time, thereby destroying the extraction environment, causing the flavor of coffee to be unbalanced, and the taste to be messy.

[0039] For example, after adding water and restarting extraction, low-temperature hot water can cause insufficient extraction of subsequent flavor substances, resulting in a sour and light taste, and the part extracted at a high temperature in the early stage can have a bitter taste due to a long soaking time, finally forming a contradictory taste of bitterness in the early stage and lightness in the late stage; after the high-pressure extraction is suddenly stopped, the powder cake will loosen and have gaps due to the disappearance of the pressure, and after restarting, the high-pressure water flow will quickly penetrate through the gaps (channel effect), resulting in insufficient extraction of part of the coffee powder not fully contacted with hot water and over-extraction of part of the coffee powder, finally the coffee liquid has both astringent and bitter taste, and the layers are mixed; during the pause, the coffee powder will continue to soak in the extracted coffee liquid, which is equivalent to an additional extension of the pre-soaking time, which is easy to separate too much bitter and astringent substances such as caffeine and tannic acid, resulting in a bitter and astringent taste and loss of smoothness.

[0040] The embodiment of the present application provides a control method of a coffee making device, which compares the remaining water quantity and the required water quantity to achieve dynamic decision-making in the coffee making process, and ensures the safe and reliable coffee making and stable flavor effect.

[0041] According to the embodiment of the present application, a control method of a coffee making device is provided, and it should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a group of computer executable instructions, and although the logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that here.

[0042] In the embodiment, a control method of a coffee making device is provided, which can be used in the coffee making device described above, Figure 2 The flowchart of the control method of the coffee making device according to the embodiment of the present application is shown in the flowchart as Figure 2 The flowchart includes the following steps: Step S201, in the coffee making process, the first water quantity of the water tank and the liquid quantity of the coffee making device are obtained.

[0043] Specifically, in the embodiment of the present application, a full-automatic coffee machine is taken as an example. The full-automatic coffee machine is usually provided with a selection button of different coffee types, or an operation panel is provided, and a user can select a coffee type on the operation panel. The coffee types include espresso, American coffee, latte coffee, etc. After the user selects the type of coffee to be made, the full-automatic coffee machine automatically executes the corresponding coffee making process according to the coffee type.

[0044] The automatic coffee machine is provided with a water tank. During the coffee making process, water is automatically pumped from the water tank when needed to complete the corresponding steps. Among them, after reaching the extraction stage, the powder-liquid ratio will produce concentrated liquid, that is, different liquid volumes of concentrated coffee liquid will be extracted according to the amount of coffee powder, for example, 18g of powder corresponds to 25-30ml of concentrated liquid, the more the powder, the more the concentrated liquid, and the extraction includes cold extraction and hot extraction, which is determined by the type of coffee. At the same time, the type of coffee also has different basic requirements for the amount of concentrated liquid, for example, 25-30ml of concentrated single cup, 27-29ml of milk coffee base liquid, which is only an example and is not limited to this. Before or after extraction, according to the type of coffee and the total liquid volume selected by the user, it is determined whether to add water and the amount of water added, for example, concentrated coffee does not need to add water, while American coffee needs to add water according to the total liquid volume selected by the user.

[0045] In some optional embodiments, in order to monitor the remaining water volume in the water tank, the water tank is provided with a water level detection device. If the user does not pay attention to the current water level detection result and starts to make coffee before making coffee, that is, the coffee machine is not in use, the user can supplement the water tank according to the water level detection result. In order to ensure the continuity of the coffee making process, the controller in the coffee machine obtains the first water volume of the water tank in real time during the coffee making process, that is, the remaining water volume in the water tank, or obtains the first water volume of the water tank when the minimum water level is triggered. At the same time, the liquid output detection device of the coffee machine detects the current output liquid volume in real time, for example, using a flow meter to detect the extracted coffee liquid volume in the extraction stage and the water added later.

[0046] Further, the coffee making process at least includes an extraction stage, and the making process of part of the coffee types also includes a water adding stage, and the water adding stage may be before the extraction stage or after the extraction stage, for example, American coffee enters the water adding stage after the extraction stage is completed. Therefore, the output liquid volume may only include the extracted liquid volume, may only include the added water volume, or may include both the added water volume and the extracted liquid volume.

[0047] Step S202, when the first water volume reaches the minimum water level, the second water volume required for completing the coffee making is determined according to the output liquid volume.

[0048] Specifically, in the embodiment of the present application, if the first water amount reaches the minimum water level as the water amount in the water tank gradually decreases during the coffee making process. When the minimum water level is reached, a certain amount of residual water, for example, 100ml-500ml, is usually reserved in the water tank to avoid safety hazards such as air pumping, heating system interference, etc., and different types of coffee machines set different amounts of residual water when triggering the minimum water level. Unlike the prior art, which directly stops coffee making after detecting that the first water amount in the water tank reaches the minimum water level to perform a low water amount reminder, the embodiment of the present application determines the second water amount required for the completion of coffee making according to the current liquid amount determines the second water amount required for the completion of coffee making , so as to determine whether to perform a low water amount reminder based on the second water amount required .

[0049] Step S203: controlling the coffee making process according to the size relationship between the first water amount and the second water amount.

[0050] Specifically, in the embodiment of the present application, the first water amount is the residual water amount when the water tank reaches the minimum water level, and the second water amount is the water amount required for the completion of coffee making, so the size relationship between the first water amount and the second water amount can be determined, and the coffee making process is controlled according to the determination result, i.e., whether to stop the coffee making process. If the coffee making process needs to be stopped, it proves that the current residual water amount is insufficient to support this coffee making, and if the residual water amount is used up after ensuring the continuity of coffee making, air will be pumped in, and if the extraction stage is hot extraction, the heating system will also be in a dry burning state, so the coffee making needs to be stopped and a low water amount reminder is performed after stopping, and the coffee making continues after the user adds water. If the coffee making process does not need to be stopped, it proves that the current residual water amount is sufficient to support this coffee making, so the coffee making can continue according to the original process, and a low water amount reminder is performed after the coffee making is completed.

[0051] The control method of the coffee making device provided by the present application can determine the second water amount required for the completion of coffee making according to the current liquid amount when the first water amount of the water tank reaches the minimum water level during the coffee making process, and control the coffee making process according to the size relationship between the first water amount and the second water amount, so as to dynamically decide whether to continue the coffee making when the residual water amount is sufficient to support this coffee making or to stop the coffee making and perform a low water amount reminder when the residual water amount is insufficient to support this coffee making, thereby maximizing the continuity of coffee making, ensuring the quality of coffee, reducing the waste of raw materials, achieving the technical effect of stable coffee making flavor, and improving the user experience.

[0052] In the present embodiment, a control method of a coffee making device is provided, which can be applied to the coffee making device as described above, such as a coffee machine, etc. Figure 3 is a flowchart of the control method of the coffee making device according to an embodiment of the present application, as shown in the figure, which comprises the following steps: Figure 3 Step S301, during the coffee making process, the first water amount of the water tank and the amount of liquid already discharged from the coffee making device are obtained. For details, please refer to step S201 of the embodiment shown in Figure 2 , which will not be described here again.

[0053] Step S302, when the first water amount reaches the minimum water level, the second water amount required for completing the coffee making is determined according to the amount of liquid already discharged.

[0054] Specifically, the above step S302 comprises: Step S3021, the coffee type of the coffee being made is obtained, and the total liquid amount is determined according to the coffee type.

[0055] Specifically, in the present embodiment, the water amount required for different coffee types is different, for example, the water amount corresponding to a standard cup of American coffee is 150-200ml, and the water amount corresponding to espresso coffee is 25-30ml. According to the minimum water level of the water tank device, the residual water amount can usually meet the requirement of making espresso coffee, i.e. the residual water amount is greater than the total water amount, so there is no need to stop; the water amount required for American coffee and the like is relatively large, and the residual water amount may be less than the total water amount, so it is necessary to determine whether the residual water amount can support the making of American coffee. When the minimum water level is triggered, the coffee type and the raw material information of the coffee being made are obtained, and the final total liquid amount corresponding to the total water amount required for coffee making is determined according to the coffee type and the raw material information. Meanwhile, if the user selects different cup amounts, the total liquid amount needs to be further determined according to the cup amounts.

[0056] Meanwhile, the raw material information such as the type of coffee beans and / or the fineness of coffee powder can also affect the final water amount, so when the total liquid amount is determined according to the coffee type, the influence of the raw material information on the total liquid amount can also be considered.

[0057] Further, according to different coffee types, the coffee making process at least includes an extraction stage, and the making process of some coffee types also includes a water adding stage, so the total liquid amount at least includes a target extraction liquid amount , and may also include a water adding amount .

[0058] ​Step S3022: Determine the second amount of water required to complete the coffee making process based on the difference between the total liquid volume and the amount of liquid already dispensed.

[0059] Specifically, in this embodiment of the invention, the total liquid volume This represents the volume of coffee liquid achieved after brewing, corresponding to the total water usage, and the volume of liquid dispensed. The total liquid volume is calculated based on the amount of coffee liquid already prepared when the minimum water level is triggered, corresponding to the amount of water already used. With the amount of liquid already discharged The difference between the total water usage and the amount of water already used is used to determine the second amount of water needed to complete the coffee brewing process. .

[0060] Correspondingly, because the coffee-making process includes at least the extraction stage, and some coffee types also include a water-addition stage, which may occur before or after the extraction stage, the second water volume... It may include only the amount of unextracted liquid, only the amount of water not added, or both the amount of unextracted liquid and the amount of water added, or both the amount of water not added and the target amount of extract.

[0061] Step S303: If the second water volume is less than the product of the first water volume and the preset residual error coefficient, the coffee making process continues, and a low water volume reminder is issued after the coffee is made.

[0062] Specifically, in embodiments of the present invention, such as Figure 4 As shown, if the minimum water level is triggered, the second amount of water required to complete coffee brewing is determined. The first water volume corresponding to the lowest water level With the allowance error coefficient The product of, i.e. This proves that the remaining water in the tank is sufficient to support the coffee brewing process, regardless of whether the brewing process includes adding water, and that there is still water remaining in the tank after brewing. The water level will remain low even if a low water level is triggered, without issuing a low water warning or stopping the coffee brewing process until the coffee is finished. Users can add water to the tank after brewing to ensure there is no water shortage interruption during the next coffee brewing session.

[0063] In some optional implementations, embodiments of the present invention pre-set a margin error coefficient. This is to ensure that the remaining water in the tank is sufficient to support the coffee brewing process, and to ensure that a certain amount of water remains in the tank after the coffee is brewed. The water level is adjusted to allow for a safe level of water in the tank, thus preventing safety hazards from occurring if the tank runs out of water. (Balance error coefficient) The process of determining this includes: Step a1, multiple times to obtain the fourth water amount when the water tank reaches the minimum water level.

[0064] Step a2, judge the stability between multiple fourth amounts, and select the residual error coefficient within the preset error range based on the stability.

[0065] Specifically, in the embodiment of the present application, when the minimum water level is triggered, the residual water amount in the water tank may fluctuate to a certain extent, therefore, in order to ensure the rationality of the residual error coefficient, multiple same type coffee machines are tested in advance, or the same coffee machine is tested, so that the fourth water amount when the water tank reaches the minimum water level is obtained multiple times The stability between multiple fourth amounts is judged, for example, by calculating the standard deviation of multiple fourth water amounts , and the residual error coefficient is selected within the preset range according to the stability . For example, the preset range is 0.5~0.9, if the fourth water amount when the minimum water level is triggered of multiple coffee machines is relatively stable, the residual error coefficient is taken as 0.9, if it is unstable, the deviation is large, the residual error coefficient is taken as 0.5.

[0066] The control method of the coffee making equipment provided by the present application can dynamically decide according to the residual water amount and the required water amount reflecting the coffee making progress, continue making when the residual water amount is sufficient to support this coffee making, or stop making and give a low water amount reminder when the residual water amount is insufficient to support this coffee making, thereby guaranteeing the continuity of coffee making to the greatest extent, ensuring the coffee quality, reducing the waste of raw materials, achieving the technical effect of stable coffee making flavor, and improving the user experience.

[0067] In the embodiment, a control method of a coffee making equipment is provided, which can be used in the coffee making equipment described above, such as a coffee machine, Figure 5 The flow chart of the control method of the coffee making equipment according to the embodiment of the present application is shown in Figure 5 , which includes the following steps: Step S501, in the coffee making process, the first water amount of the water tank and the discharged liquid amount of the coffee making equipment are obtained. For details, please refer to step S301 of the embodiment shown in Figure 3 , which will not be repeated here.

[0068] ​​​Step S502: When the first water volume reaches the minimum water level, determine the second water volume required to complete coffee brewing based on the amount of liquid already dispensed. See details below. Figure 3 Step S302 of the illustrated embodiment will not be described again here.

[0069] Step S503: Control the coffee making process according to the relationship between the first water volume and the second water volume.

[0070] Specifically, step S503 includes: Step S5031: If the second water volume is not less than the product of the first water volume and the residual error coefficient, then determine whether the coffee making process is in the extraction stage.

[0071] Specifically, in embodiments of the present invention, such as Figure 4 As shown, if the minimum water level is triggered, the second amount of water required to complete coffee brewing is determined. Not less than the first water volume corresponding to the lowest water level With the allowance error coefficient The product of, i.e. This indicates that the remaining water in the tank is insufficient to support the current coffee brewing. However, the extraction stage is the primary factor affecting the coffee's flavor. If the remaining water in the tank can ensure the continuity of the extraction stage, coffee brewing should be stopped before or after the extraction stage begins, and a low water level warning should be issued. Therefore, in this embodiment of the invention, after triggering the minimum water level and determining that the remaining water in the tank is insufficient to support the current coffee brewing, the first step is to determine whether the extraction stage is currently underway.

[0072] In step S5032, if the coffee making process is not in the extraction stage, stop the coffee making process and issue a low water level reminder after stopping the process.

[0073] Specifically, in embodiments of the present invention, such as Figure 4 As shown, if the minimum water level is triggered, and it is determined that the remaining water in the tank is insufficient to support this coffee brewing, but the extraction stage has not yet been reached ( It is 0, or (corresponding to the amount of water added), or the extraction stage has ended ( The specific timing depends on the type of coffee. If the brewing process is stopped, a low water level warning will be displayed. Stopping at this point will not affect the final taste of the coffee, so users can add water to the tank to continue brewing. However, if the selected coffee type stops brewing after the extraction stage, the brewing process is complete. If so, no further hydration is needed after replenishing water.

[0074] Step S5033: If the extraction stage is in progress, the production process of the extraction stage is controlled according to the relationship between the amount of remaining extract in the extraction stage and the amount of first water.

[0075] Specifically, in this embodiment of the invention, if the minimum water level is triggered, and it is determined that although the remaining water in the tank is insufficient to support the current coffee brewing, the extraction stage is still in progress, then the continuity of the extraction stage is ensured as much as possible. Therefore, the target extraction volume is determined based on the type of coffee being brewed. And based on the total volume of coffee being made. and the amount of liquid discharged Determine the volume of extract produced. Alternatively, the volume of extract that has been dispensed can be directly obtained from the flow meter. Then, based on the target extract volume and the amount of extract already produced The difference determines the amount of residual extract in the extraction stage. Based on the amount of remaining extract and the first water volume The size relationship determines whether the remaining water in the tank can support the production of this extraction stage.

[0076] In some alternative implementations, based on the total liquid volume and the amount of liquid discharged Determine the volume of extract produced. According to the target extract volume and the amount of extract already produced The difference determines the amount of residual extract in the extraction stage. When making coffee, it is necessary to determine the current coffee-making process, which includes three types: only the extraction stage, the extraction stage followed by the water addition stage (extraction first, then water addition), and the water addition stage followed by the extraction stage (water addition first, then extraction).

[0077] Therefore, if it is in the extraction stage, and the production process only includes the extraction stage, then the total liquid volume Equal to the target extract volume The amount of extract already produced Equal to the amount of liquid discharged ,Right now:

[0078]

[0079]

[0080] If the process is in the extraction stage, and the production flow includes both extraction and water addition stages, then it indicates that the water addition stage has not yet been reached, and the extracted liquid volume has already been produced. Equal to the amount of liquid discharged ,Right now:

[0081]

[0082]

[0083] If the process is in the extraction stage, and the production process includes the water addition stage and the extraction stage in sequence, then it proves that the water addition stage has been completed, and therefore the amount of extract has been obtained. Equal to the amount of liquid discharged and the amount of water added The difference, that is:

[0084]

[0085]

[0086] In some optional implementations, step S5033 includes: Step b1: If the remaining amount of extract is less than the product of the first water volume and the preset residual error coefficient, the extraction stage continues, and the coffee making process is stopped after the extraction stage is completed. A low water volume reminder is issued after the process is stopped.

[0087] Step b2: If the amount of remaining extract is not less than the product of the first water volume and the residual error coefficient, then stop the extraction process and issue a low water volume reminder after stopping the process.

[0088] Specifically, in this embodiment of the invention, the remaining extract volume With the first water volume With the allowance error coefficient Compare the product of the two values, and then the residual error coefficient is calculated. With the above-mentioned margin error coefficient The same applies, but adjustments can be made based on actual operating conditions; no specific limitations are set here. For example... Figure 4 As shown, if the remaining extract volume The first water volume corresponding to the lowest water level With the allowance error coefficient The product of, i.e. This proves that the remaining water in the tank is sufficient to support the extraction process, and that the tank still retains water after extraction. The water level will be set to zero. Even if the minimum water level is reached, no low water warning will be issued, and the coffee extraction process will not be stopped until extraction is complete. If there are subsequent coffee-making processes that require water, such as additional water addition stages, then... If the water level drops too low, the coffee brewing process will stop and a low water warning will be issued; if no further coffee brewing is planned, the process will continue. If the water level is low, the coffee brewing process can be stopped immediately, and a low water warning will be issued. If there are subsequent coffee brewing processes that do not require water, then... The system can either stop the coffee brewing process and issue a low water level warning, or continue brewing until the process is complete and a low water level warning is issued. Users can add water to the tank after brewing has stopped to smoothly complete subsequent coffee brewing.

[0089] For example, the total volume of Americano coffee selected by the user The volume is 150ml. When the low water level is triggered during the extraction stage, 100ml of water remains in the tank. The volume of liquid dispensed when the low water level is triggered is... The water volume is 20ml, so 130ml more water is needed to make the coffee. The remaining water in the tank is insufficient for this batch; however, the target extraction volume... The water tank contains 50ml of water, so 30ml of water is needed for the extraction stage. The water in the tank is sufficient to support the extraction stage, so the extraction stage is not paused to ensure the coffee flavor. After extraction, there is 70ml of water left in the tank, but 100ml of water needs to be added to the concentrate, making it impossible to complete the subsequent production. Therefore, coffee production is stopped, and production will continue after the user adds water.

[0090] Furthermore, such as Figure 4 As shown, if the remaining extract volume Not less than the first water volume corresponding to the lowest water level With the allowance error coefficient The product of, i.e. This indicates that the remaining water in the tank is insufficient to support the current extraction stage (too much extract). Therefore, the extraction stage needs to be stopped, a low water level warning should be issued, and extraction should continue only after the user adds water to the tank. Meanwhile, at this time... This indicates that too much coffee liquid has been extracted, which inevitably leads to over-extraction. Over-extraction is determined by the type of coffee selected by the user, so pausing the extraction process will not affect the flavor.

[0091] For example, the total liquid volume corresponding to the long-brewed black coffee selected by the user. The volume is 150ml, and all 150ml needs to be extracted. When a low water level is triggered during the extraction stage, 100ml of water remains in the tank. The volume of liquid already extracted when the low water level is triggered... For 20ml, thus the coffee making is completed with 130ml of water, and the extraction phase is completed with 130ml of water, the remaining water in the tank cannot support the coffee extraction phase, i.e. cannot support the coffee making, thus the coffee extraction is directly stopped, and the extraction is continued after the user adds water. The extraction of 150ml itself represents the bitterness brought by the over-extraction preferred by the user, thus the interruption of the extraction has little effect on the final taste.

[0092] In step S504, in response to the detection of the first water level being higher than the minimum water level, and / or in response to the reception of the user's making instruction, the coffee making device is controlled to continue the current stopped coffee making process.

[0093] Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction. Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction.

[0094] Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction. Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction.

[0095] Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction. Specifically, in the embodiment of the present application, if it is determined that the remaining water in the tank is insufficient to support the current coffee making, and the coffee making is not in the extraction phase, the coffee making process is stopped, and a low water level warning is given. The user adds water to the tank according to the low water level warning, and the water level detection device continues the coffee making after detecting that the first water level in the tank is higher than the minimum water level, or asks the user whether to continue the coffee making, so as to continue the coffee making in response to the user's making instruction.

[0096] The control method of the coffee making device provided by the application can make a dynamic decision according to the remaining water quantity and the required water quantity reflecting the coffee making progress, continue the coffee making when the remaining water quantity is sufficient to support the coffee making, or stop the coffee making and give a low water quantity warning when the remaining water quantity is insufficient to support the coffee making, thereby guaranteeing the continuity of the coffee making, guaranteeing the coffee quality, reducing the raw material waste, achieving the technical effect of stable coffee making flavor, and improving the user experience.

[0097] In the embodiment, a control device of the coffee making device is also provided, which is used for implementing the above-mentioned embodiments and preferred embodiments, and will not be described again. As used below, the term "module" can be a combination of software and / or hardware that implements a predetermined function. Although the device described in the following embodiments is preferably implemented in software, implementation of hardware, or a combination of software and hardware, is also possible and is contemplated.

[0098] The embodiment provides a control device of a coffee making device, as shown in the accompanying drawings, comprising: Figure 6 A used water quantity monitoring module 601 is configured to acquire a first water quantity of a water tank and a used liquid quantity of the coffee making device during a coffee making process.

[0099] A required water quantity calculation module 602 is configured to determine a second water quantity required for completing the coffee making according to the used liquid quantity when the first water quantity reaches a minimum water level.

[0100] A coffee making control module 603 is configured to control the coffee making process according to a size relationship between the first water quantity and the second water quantity.

[0101] In some optional embodiments, the required water quantity calculation module 602 comprises: A first total liquid quantity determination unit is configured to acquire a coffee type of the coffee being made, and determine a total liquid quantity according to the coffee type, wherein the total liquid quantity at least comprises a target extraction liquid quantity.

[0102] A second total liquid quantity determination unit is configured to acquire raw material information of the coffee being made, and determine the total liquid quantity according to the coffee type and the raw material information.

[0103] A required water quantity calculation unit is configured to determine the second water quantity required for completing the coffee making according to a difference between the total liquid quantity and the used liquid quantity.

[0104] In some optional embodiments, the coffee making control module 603 comprises: ​The first control subunit is configured to continue the coffee making process if the second water quantity is less than the product of the first water quantity and a preset margin error coefficient, and to perform a low water quantity reminding after the coffee making process is completed.

[0105] The stage judgment unit is configured to judge whether the coffee making process is in the extraction stage if the second water quantity is not less than the product of the first water quantity and the margin error coefficient.

[0106] The second control unit is configured to stop the coffee making process if the coffee making process is not in the extraction stage, and to perform a low water quantity reminding after the coffee making process is stopped.

[0107] The third control unit is configured to control the coffee making process in the extraction stage according to the size relationship between the residual extraction liquid quantity and the first water quantity if the coffee making process is in the extraction stage.

[0108] In some optional embodiments, the residual extraction liquid quantity is the difference between the target extraction liquid quantity and the extracted extraction liquid quantity, and the third control unit comprises: The first control subunit is configured to continue the coffee making process in the extraction stage if the residual extraction liquid quantity is less than the product of the first water quantity and the preset margin error coefficient, and to stop the coffee making process after the extraction stage is completed, and to perform a low water quantity reminding after the coffee making process is stopped.

[0109] The second control subunit is configured to stop the coffee making process in the extraction stage if the residual extraction liquid quantity is not less than the product of the first water quantity and the margin error coefficient, and to perform a low water quantity reminding after the coffee making process is stopped.

[0110] In some optional embodiments, the device further comprises an extracted liquid quantity determination module configured to obtain the extracted liquid quantity of the coffee making equipment detected by the extracted liquid quantity detection device, and to determine the extracted extraction liquid quantity according to the total liquid quantity and the extracted liquid quantity, or to obtain the extracted extraction liquid quantity of the coffee making equipment detected by the extracted liquid quantity detection device.

[0111] In some optional embodiments, the device further comprises a coffee making continuation module configured to control the coffee making equipment to continue the coffee making process that is currently stopped if the first water quantity is detected to be higher than the minimum water level, and / or in response to receiving a making instruction from a user.

[0112] In some optional embodiments, the device further comprises a coefficient determination module configured to obtain a fourth water quantity of the water tank when the water tank reaches the minimum water level multiple times, to judge the stability between the multiple fourth quantities, and to select the margin error coefficient within a preset error range based on the stability.

[0113] The control device of the coffee making equipment provided by the embodiments of the present application can execute the control method of the coffee making equipment provided by any of the embodiments of the present application, and has the function modules and beneficial effects corresponding to the execution method. The further function description of each module and unit is the same as that of the corresponding embodiments, and will not be repeated here.

[0114] Figure 7 A structural schematic diagram of a controller in a coffee making equipment provided by the embodiments of the present application is shown.

[0115] Reference will be made below in detail Figure 7 which shows a structural schematic diagram of a controller suitable for being used to implement the embodiments of the present application. The controller can include a processor (for example, a central processor, a graphic processor, etc.) 701, which can execute various appropriate actions and processes according to a program stored in a read-only memory (ROM) 702 or a program loaded from a memory 708 into a random access memory (RAM) 703. In the RAM 703, various programs and data required for the operation of the controller are also stored. The processor 701, the ROM 702, and the RAM 703 are connected to each other through a bus 704. An input / output (I / O) interface 705 is also connected to the bus 704.

[0116] Generally, the following devices can be connected to the I / O interface 705: an input device 706 including, for example, a touch screen, a touch pad, a keyboard, a mouse, a camera, a microphone, an accelerometer, a gyroscope, etc.; an output device 707 including, for example, a liquid crystal display (LCD), a speaker, a vibrator, etc.; a memory 708 including, for example, a magnetic tape, a hard disk, etc.; and a communication device 709. The communication device 709 can allow the controller to communicate with other devices wirelessly or by wire to exchange data. Although Figure 7 The controller with various devices is shown, but it should be understood that it is not required to implement or have all the shown devices, and more or less devices can be implemented or have instead.

[0117] In particular, according to the embodiments of the present application, the processes described above with reference to the flowcharts can be implemented as a computer software program. For example, the embodiments of the present application include a computer program product including a computer program carried on a non-transitory computer readable medium, the computer program containing program codes for executing the method shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network through the communication device 709, or installed from the memory 708, or installed from the ROM 702. When the computer program is executed by the processor 701, the above-mentioned functions defined in the control method of the coffee making equipment of the embodiments of the present application are executed.

[0118] Figure 7The controller shown is merely an example and should not impose any limitation on the function and use range of the embodiments of the present application.

[0119] The embodiments of the present application also provide a computer readable storage medium, the method according to the embodiments of the present application can be implemented in hardware, firmware, or recorded in a storage medium, or stored in a remote storage medium or a non-transitory machine readable storage medium and downloaded to a local storage medium through network, so that the method described herein can be processed by such software on a storage medium using a general purpose computer, a special purpose processor, or programmable or special purpose hardware. The storage medium can be a magnetic disk, an optical disk, a read-only memory, a random access memory, a flash memory, a hard disk or a solid state disk, etc. Further, the storage medium can also include a combination of the above-mentioned memories. It can be understood that the computer, processor, microprocessor controller or programmable hardware includes a storage component that can store or receive software or computer code, when the software or computer code is accessed and executed by the computer, processor or hardware, the control method of the coffee making device shown in the above embodiments is implemented.

[0120] Part of the present application can be applied as a computer program product, for example, computer program instructions, when executed by a computer, the operation of the computer can invoke or provide the method and / or technical solutions according to the present application. Those skilled in the art should understand that the form of computer program instructions in computer readable medium includes but is not limited to source file, executable file, installation package file, etc. Correspondingly, the way of computer program instructions executed by computer includes but is not limited to: the computer directly executes the instructions, or the computer compiles the instructions and then executes the corresponding compiled program, or the computer reads and executes the instructions, or the computer reads and installs the instructions and then executes the corresponding installed program. Here, the computer readable medium can be any available computer readable storage medium or communication medium accessible to the computer.

[0121] Although the embodiments of the present application are described in conjunction with the accompanying drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. A control method for a coffee-making device, the coffee-making device being equipped with a water tank, characterized in that, The method includes: During the coffee making process, the first water volume in the water tank and the liquid volume dispensed by the coffee making equipment are obtained; When the first water volume reaches the minimum water level, the second water volume required to complete the coffee making is determined based on the amount of liquid already dispensed. The coffee-making process is controlled based on the relationship between the first and second water volumes.

2. The method according to claim 1, characterized in that, The step of determining the second amount of water required to complete coffee preparation based on the amount of liquid already dispensed includes: Obtain the type of coffee being brewed and determine the total liquid volume based on the coffee type; The second amount of water required to complete the coffee brewing process is determined based on the difference between the total liquid volume and the amount of liquid already dispensed.

3. The method according to claim 2, characterized in that, When determining the total liquid volume based on the coffee type, the method also includes: Obtain the raw material information for the current coffee making process, and determine the total liquid volume based on the coffee type and the raw material information.

4. The method according to claim 1, characterized in that, The control of the coffee-making process based on the relationship between the first and second water volumes includes: If the second water volume is less than the product of the first water volume and the preset margin error coefficient, the coffee making process continues, and a low water volume reminder is issued after the coffee is made.

5. The method according to claim 1, characterized in that, The method of controlling the coffee-making process based on the relationship between the first water volume and the second water volume also includes: If the second water volume is not less than the product of the first water volume and the preset residual error coefficient, then it is determined whether the coffee making process is in the extraction stage. If the coffee brewing process is not in the extraction stage, stop the coffee brewing process and issue a low water level reminder after the brewing process stops.

6. The method according to claim 5, characterized in that, The method of controlling the coffee-making process based on the relationship between the first water volume and the second water volume also includes: If it is in the extraction stage, the production process of the extraction stage is controlled according to the relationship between the amount of remaining extract in the extraction stage and the amount of the first water.

7. The method according to claim 6, characterized in that, The remaining extract volume is the difference between the target extract volume and the extracted extract volume. Controlling the extraction process based on the relationship between the remaining extract volume and the first water volume includes: If the remaining extract volume is less than the product of the first water volume and the preset residual error coefficient, the extraction stage continues, and the coffee making process is stopped after the extraction stage is completed. A low water volume reminder is issued after the process is stopped. If the amount of remaining extract is not less than the product of the first amount of water and the residual error coefficient, then the extraction process is stopped, and a low water level reminder is issued after the process is stopped.

8. The method according to claim 2, characterized in that, Determining the target extraction volume for the current coffee brewing process, and determining the output volume and extracted volume of the coffee brewing equipment, includes: The target extract volume is determined based on the coffee type; The amount of liquid dispensed from the coffee-making equipment is obtained by the liquid dispensing detection device. The amount of extracted liquid is determined based on the total liquid volume and the amount of liquid already dispensed, or the amount of extracted liquid dispensed by the coffee making equipment is obtained by a liquid volume detection device.

9. The method according to any one of claims 4, 5, or 7, characterized in that, The process of determining the margin error coefficient includes: The water volume in the tank is measured multiple times when the minimum water level is reached; Determine the stability among multiple fourth quantities, and select the margin error coefficient within a preset error range based on the stability.

10. The method according to any one of claims 5 or 7, characterized in that, After stopping the coffee-making process or the extraction phase, the method further includes: Upon detecting that the first water level is higher than the minimum water level, and / or, in response to receiving a user's brewing instruction, the coffee brewing equipment is controlled to continue the currently suspended coffee brewing process.

11. A coffee-making device, characterized in that, include: The system includes a controller, a water tank, a water level detection device, and a liquid output detection device, wherein the water level detection device and the liquid output detection device are connected to the controller, and the water level detection device is deployed in the water tank. The controller includes a memory and a processor, which are communicatively connected to each other. The memory stores computer instructions, and the processor executes the computer instructions to perform the control method of the coffee making device according to any one of claims 1 to 10.

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