CN109497836B - Method for automatically brewing coffee and coffee brewing machine - Google Patents
Method for automatically brewing coffee and coffee brewing machine Download PDFInfo
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- CN109497836B CN109497836B CN201811625295.6A CN201811625295A CN109497836B CN 109497836 B CN109497836 B CN 109497836B CN 201811625295 A CN201811625295 A CN 201811625295A CN 109497836 B CN109497836 B CN 109497836B
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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
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
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Abstract
The invention discloses a method for automatically brewing coffee, which is applied to a coffee brewing machine, wherein the coffee brewing machine comprises a brewing plug and a brewing cup, and the method comprises the following steps: s1, controlling the brewing plug to press down; s2, controlling the brewing plug to stop pressing down when the brewing plug is subjected to the counterforce; s3, pumping a first preset amount of water into the brewing cup for pre-wetting; s4, controlling the brewing plug to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce; and S5, pumping water into the brewing cup to brew coffee. After the brewing plug is pressed down for the first time, a proper amount of water is pumped into the brewing cup, so that the originally uneven coffee in the brewing cup becomes flat under the action of the water, at the moment, the brewing plug is controlled to be pressed down to be tightly attached to the coffee powder, and the coffee powder becomes flat under the action of the water, so that the coffee powder can be completely compressed by the brewing plug pressed down for the second time, the pressure during brewing coffee is ensured to reach the optimal state, and the coffee brewing effect is greatly improved. In addition, the invention also discloses a coffee brewing machine.
Description
Technical Field
The invention relates to the technical field of automatic brewing, in particular to a method for automatically brewing coffee, and further relates to a coffee brewing machine.
Background
In the process of brewing coffee, because the coffee powder is solid particles, after the coffee powder is placed in the brewing cup, the coffee powder is piled up in a hill shape, and the brewing plug stops pressing when contacting the coffee powder in the pressing process, so that the brewing plug cannot be well attached to the coffee powder, the pressure of brewing coffee does not reach the optimal effect in the brewing process, and the brewing effect of coffee is influenced.
Therefore, how to solve the problem of poor pressure during the brewing process of coffee is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an automatic coffee brewing method, which can effectively improve the pressure during coffee brewing and enhance the coffee brewing effect.
It is another object of the present invention to provide a coffee brewing apparatus.
In order to achieve the above purpose, the invention provides the following technical scheme:
a method of automatically brewing coffee for use in a coffee brewing machine comprising a brewing plug and a brewing cup, the method comprising:
s1, controlling the brewing plug to press down;
s2, controlling the brewing plug to stop pressing down when the brewing plug is subjected to the counterforce;
s3, pumping a first preset amount of water into the brewing cup for pre-wetting;
s4, controlling the brewing plug to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce;
and S5, pumping water into the brewing cup to brew coffee.
Preferably, between S2 and S3: s21, when the pressing length of the pressing process of the brewing plug (1) is less than a first preset length, executing S22; s22, controlling the brewing plug (1) to reversely move for a length of a first preset distance, and executing S5.
Preferably, between S3 and S4: s31, when the pressing length of the pressing process of the brewing plug is less than the second preset length, controlling the brewing plug to reversely move for the length of the second preset distance, and executing S5.
Preferably, between S4 and S5: and S41, controlling the brewing plug to reversely move for a third preset distance when the pressing length of the brewing plug in the pressing process is smaller than a third preset length.
Preferably, the third predetermined distance is inversely proportional to the length of depression of the brewing plug during depression thereof.
Preferably, the first predetermined amount is 8 grams.
A coffee brewing machine comprises a brewing plug and a brewing cup, and further comprises: the first pressing module is used for controlling the pressing of the brewing plug; the pressing stopping module is used for controlling the brewing plug to stop pressing when the brewing plug is subjected to a counterforce; the pre-wetting module is used for pumping a first preset amount of water into the brewing cup for pre-wetting; the second pressing module is used for controlling the brewing plug to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce; the first pressing module, the pressing stopping module, the pre-wetting module and the second pressing module are all in signal connection with a control system.
Preferably, the brewing device further comprises a detection module for detecting the moving distance of the brewing cup in the pressing process, and the detection module is in signal connection with the control system.
Preferably, the first pressing module and the second pressing module are both motors, threads are arranged on the side wall of the brewing plug, a transmission nut is sleeved on the side wall of the brewing plug, and the motors drive the transmission nut to rotate forward and backward so as to drive the brewing plug to move up and down.
Preferably, the detection device is a revolution sensor for detecting the number of revolutions of the brewing plug, and the revolution sensor is in signal connection with the control system.
According to the method for automatically brewing coffee, after the brewing plug is pressed down to contact with coffee powder for the first time, a proper amount of water is pumped into the brewing cup, so that the originally uneven coffee in the brewing cup becomes flat under the action of the water, at the moment, the brewing plug is controlled to be pressed down to be tightly attached to the coffee powder, and the coffee powder becomes flat under the action of the water, so that the brewing plug pressed down for the second time can completely compress the coffee powder, the pressure during brewing coffee is ensured to reach the optimal state, and the coffee brewing effect is greatly improved.
The invention also provides a coffee brewing machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a first embodiment of the method of automatically brewing coffee provided by the present invention;
FIG. 2 is a schematic view of a second embodiment of the method of automatically brewing coffee provided by the present invention;
FIG. 3 is a schematic view of a portion of an embodiment of a coffee brewing apparatus according to the present invention.
Wherein, the brewing device comprises a brewing plug 1, a motor 2, a revolution sensor 3, a transmission screw cap 4 and a brewing cup 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In view of the above, the core of the present invention is to provide an automatic coffee brewing method, which can effectively improve the pressure during coffee brewing and enhance the coffee brewing effect.
Another core of the invention is to provide a coffee brewing machine.
Referring to fig. 1 to 3, fig. 1 is a schematic view illustrating a first embodiment of an automatic coffee brewing method according to the present invention; FIG. 2 is a schematic view of a second embodiment of the method of automatically brewing coffee provided by the present invention; FIG. 3 is a schematic view of a portion of an embodiment of a coffee brewing apparatus according to the present invention.
The invention provides a method for automatically brewing coffee, which is applied to a coffee brewing machine, wherein the coffee brewing machine comprises a brewing plug and a brewing cup, and the method comprises the following steps:
step S1, controlling the brewing plug 1 to press down;
the brewing plug 1 is of a cylindrical structure matched with the coffee cup, and the brewing plug 1 can be rotated and pressed downwards in the pressing process to reduce the friction force between the brewing cup 5 and the brewing plug 1.
Step S2, when the brewing plug 1 is subjected to the counterforce, controlling the brewing plug 1 to stop pressing down;
in the process that the brewing plug 1 is slowly pressed down, because the coffee powder is in the brewing cup 5, when the brewing plug 1 is pressed down to the coffee powder, the brewing plug 1 can be subjected to the reaction force of the coffee powder, and at the moment, the brewing plug 1 can be controlled to stop pressing down.
Step S3, pumping a first preset amount of water into the brewing cup 5 for prewetting;
since the coffee powder in the brewing cup 5 is not uniform and in most cases the coffee powder in the middle part of the brewing cup 5 will be higher than the surrounding coffee powder, the brewing plug 1 will be subjected to a reaction force with a higher coffee powder in the middle acting on the brewing plug 1 and more space is left around the brewing cup 5, so that the pressure of the brewed coffee cannot reach an optimal state. Thus, after the first depression of the brewing plug 1, a suitable amount of water can be pumped into the brewing cup 5 to keep the ground coffee flat under the action of the water.
Step S4, controlling the brewing plug 1 to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce;
in the process of pumping water into the brewing cup 5, the water can flush the coffee powder with higher middle, and because the coffee powder is solid particles and larger gaps are left in the coffee powder, the water can permeate into the coffee powder, and a certain space is formed between the brewing plug 1 and the coffee powder. Therefore, after pumping water, it is necessary to control the brewing plug 1 to continue to be pressed down until it is subjected to the reaction force of the coffee powder, and the brewing plug 1 is controlled to stop pressing down.
And step S5, pumping water into the brewing cup 5 to brew coffee.
Because the surface of the coffee powder is kept flat basically when the brewing plug 1 is pressed down for the second time, the brewing plug 1 can be attached to the coffee powder as much as possible to ensure that the coffee powder is completely pressed, so that the pressure for brewing coffee can be ensured to reach the optimal state, water is pumped into the coffee cup at the moment to brew coffee, and the coffee brewing effect can be greatly improved.
According to the method for automatically brewing coffee, after the brewing plug is pressed down to contact with coffee powder for the first time, a proper amount of water is pumped into the brewing cup, so that the originally uneven coffee in the brewing cup becomes flat under the action of the water, at the moment, the brewing plug is controlled to be pressed down to be tightly attached to the coffee powder, and the coffee powder becomes flat under the action of the water, so that the brewing plug pressed down for the second time can completely compress the coffee powder, the pressure during brewing coffee is ensured to reach the optimal state, and the coffee brewing effect is greatly improved.
On the basis of the above embodiment, the steps between the step S2 and the step S3 further include:
step S21, when the pressing length of the brewing plug 1 in the pressing process is smaller than the first preset length, executing S22; s22, controlling the brewing plug 1 to move reversely so that the brewing plug 1 moves to the direction far away from the coffee powder by the length of the first preset distance, and executing the step S5.
Consider that if the coffee in the coffee cup is too high and the brewing pressure is too high, the safety valve will open, resulting in coffee loss. Therefore, after the brewing plug 1 is pressed down for the first time, whether the pressing length of the brewing plug 1 is smaller than a first preset length or not can be judged, if the pressing length of the brewing plug 1 after being pressed down for the first time is smaller than the first preset length, the condition that the coffee in the brewing cup 5 is too much is indicated, at the moment, the brewing plug 1 can be controlled to move for the length of a first preset distance in the direction away from coffee powder, so that more space is reserved in the brewing cup 5, the brewing pressure is reduced, and the problem that the safety valve is opened to cause coffee loss can be avoided.
The first preset length may be set according to the capacity of the brewing cup 5, for example, when the coffee powder in the brewing cup 5 reaches one-half of the brewing cup 5, it is considered that the coffee powder is too much, the first preset length is the length from the initial position of the brewing plug 1 to the middle point of the brewing cup 5, and may be set to the length from the initial position of the brewing plug 1 to the one-third or two-thirds of the brewing cup 5, which may be flexibly set according to the requirement.
It should be noted that the length of the first preset distance that the brewing plug 1 moves in the opposite direction should be set according to the actual pressing distance of the brewing plug 1, for example, when the actual pressing distance of the brewing plug 1 is longer, which indicates that the coffee powder in the brewing cup 5 is less, the first preset distance that the brewing plug 1 needs to move is relatively smaller; when the actual pressing distance of the brewing plug 1 is shorter, which indicates that more coffee powder is in the brewing cup 5, the first preset distance that the brewing plug 1 needs to move is relatively longer.
Of course, the above-mentioned determination as to whether the depression length during depression of the brewing plug 1 is less than the preset length may also be performed between step S3 and step S4:
when the pressing length of the brewing plug 1 in the pressing process is smaller than the second preset length, the brewing plug 1 is controlled to move reversely, so that the brewing plug 1 moves to the direction far away from the coffee powder by the length of the second preset distance, and the step S5 is executed.
Or between step S4 and step S5:
when the pressing length of the brewing plug 1 in the pressing process is smaller than a third preset length, the brewing plug 1 is controlled to move reversely, so that the brewing plug 1 moves to a direction far away from the coffee powder by the length of the third preset distance.
The second preset length, the second preset distance, the third preset length, and the third preset distance may be flexibly set by referring to the setting method related to the first preset length and the first preset distance, and details thereof are not repeated herein.
On the basis of the above described embodiment, the third predetermined distance is inversely proportional to the length of depression during depression of the brewing plug 1.
When the coffee powder in the brewing cup 5 is excessive, the brewing plug 1 moves towards the direction far away from the coffee powder, so that more space is reserved in the brewing cup 5, and the distance for the brewing plug 1 to move far away from the coffee powder is related to the quantity of the coffee powder in the brewing cup 5, for example, when the coffee powder in the brewing cup 5 is more, the distance for the brewing plug 1 to move in the reverse direction is a little more, whereas when the coffee powder in the brewing cup 5 is smaller, the distance for the brewing cup 5 to move in the reverse direction is a little less, therefore, the third preset distance and the pressing length of the brewing plug 1 in the pressing-down process can be in inverse proportion, and the specific proportionality coefficient can be flexibly set according to actual needs, and is not limited here.
Similarly, the first predetermined distance and the second predetermined distance may be inversely proportional to the pressing length of the brewing plug 1 during the pressing process.
On the basis of the above described embodiment, it is preferred that the first predetermined amount is 8 grams, considering that after the first depression, too much water and not too little water are pumped into the brewing cup 5, too little water not having the effect of flattening the coffee powder, and too much water taking up too much space in the brewing cup 5.
In addition to the above method for automatically brewing coffee, the present invention also provides a coffee brewing machine comprising a brewing plug 1 and a brewing cup 5, further comprising: the first lower pressing module is used for controlling the brewing plug 1 to press down after coffee powder is added into the brewing cup 5; the pressing stopping module is used for controlling the brewing plug 1 to stop pressing when the brewing plug 1 is subjected to the counterforce of the coffee powder; the pre-wetting module is used for pumping a first preset amount of water into the brewing cup 5 for pre-wetting; the second pressing module is used for controlling the brewing plug 1 to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce of the coffee powder; the first pressing module, the pressing stopping module, the pre-wetting module and the second pressing module are all in signal connection with the control system.
The first pressing module can drive the brewing plug 1 to move towards the brewing cup 5 under the control of the control system, when the brewing plug 1 moves to be in contact with coffee powder and receives a reaction force, the pressing stopping module controls the brewing plug 1 to stop pressing, at the moment, the control system can control the pre-wetting module to pump a first preset amount of water into the brewing cup 5, the pre-wetting module can be a water pump, then the second pressing module continues to drive the brewing plug 1 to press under the control of the control system to ensure that the coffee powder is completely pressed, and finally, water can continue to be pumped into the brewing cup 5 to achieve the optimal pressure for brewing.
On the basis of the embodiment, the coffee brewing device further comprises a detection module for detecting the moving distance of the brewing cup 5 plug in the pressing process, when the moving distance of the brewing cup 5 plug in the pressing process is smaller than a first preset distance, the control system can judge whether the coffee powder in the brewing cup 5 is excessive through the detection module, and when the coffee powder is excessive, the brewing plug 1 can be controlled to move for a distance towards the direction far away from the coffee powder, so that the brewing cup 5 has more space.
On the basis of the above embodiment, the first pressing module and the second pressing module can be both motors 2, the side wall of the brewing plug 1 is provided with threads and sleeved with a transmission nut 4, and the motors 2 drive the brewing plug 1 to move up and down by driving the transmission nut 4 to rotate forward and backward.
The brewing plug 1 is driven to rotate up and down by driving the transmission screw cap 4 to rotate, so that the up-and-down movement precision of the brewing plug 1 can be improved, and the brewing plug 1 moves downwards or upwards by a pitch distance every time the brewing plug 1 rotates for one circle.
On the basis of the above-described embodiment, the detecting means is a revolution sensor 3 for detecting the number of revolutions of the motor 2, and the revolution sensor 3 is signal-connected to the control system.
The revolution sensor 3 can detect the number of times of the rotation of the brewing plug 1 in the process of pressing the brewing plug 1, and the brewing plug 1 can move a distance of a screw pitch every time the brewing plug 1 rotates for one circle, so that the detection of the moving distance of the brewing plug 1 can be realized by detecting the number of times of the rotation of the brewing plug 1, when the brewing plug 1 stops moving due to the reaction force in the process of pressing down, the revolution sensor 3 can detect that the motor 2 does not rotate, and at the moment, the control system can control the motor 2 to stop rotating so as to prevent the motor 2 from continuously applying thrust to the brewing plug 1.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The method for automatically brewing coffee and the coffee brewing machine provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A method for automatically brewing coffee, applied to a coffee brewing machine comprising a brewing plug and a brewing cup, characterized in that it comprises:
s1, controlling the brewing plug (1) to press downwards;
s2, controlling the brewing plug (1) to stop pressing down when the brewing plug (1) is subjected to a counterforce;
s3, pumping a first preset amount of water into the brewing cup (5) for prewetting;
s4, controlling the brewing plug (1) to continuously press down until the brewing plug stops pressing down when the brewing plug receives the counterforce;
s5, pumping water into the brewing cup (5) to brew coffee.
2. The method for automatically brewing coffee as claimed in claim 1, further comprising between S2 and S3:
s21, when the pressing length of the pressing process of the brewing plug (1) is less than a first preset length, executing S22;
s22, controlling the brewing plug (1) to reversely move for a length of a first preset distance, and executing S5.
3. The method for automatically brewing coffee as claimed in claim 1, further comprising between S3 and S4:
s31, when the pressing length of the pressing process of the brewing plug (1) is less than a second preset length, controlling the brewing plug (1) to reversely move for the length of the second preset distance, and executing S5.
4. The method for automatically brewing coffee as claimed in claim 1, further comprising between S4 and S5:
s41, when the pressing length of the pressing process of the brewing plug (1) is smaller than a third preset length, controlling the brewing plug (1) to reversely move for the length of the third preset distance.
5. Method for the automatic brewing of coffee according to claim 4, characterized in that said third preset distance is inversely proportional to the length of depression during the depression of said brewing plug (1).
6. The method of automatically brewing coffee according to any one of claims 1 to 5, wherein said first predetermined amount is 8 grams.
7. A coffee brewing machine comprises a brewing plug (1) and a brewing cup (5), and is characterized by further comprising:
a first pressing module for controlling the pressing of the brewing plug (1);
the pressing stopping module is used for controlling the brewing plug (1) to stop pressing when the brewing plug (1) is subjected to a reaction force;
the pre-wetting module is used for pumping a first preset amount of water into the brewing cup (5) for pre-wetting;
the second pressing module is used for controlling the brewing plug (1) to continuously press down until the brewing plug stops pressing down when reacting force is applied;
the first pressing module, the pressing stopping module, the pre-wetting module and the second pressing module are all in signal connection with a control system.
8. Coffee brewing machine according to claim 7, further comprising a detection module for detecting the distance of movement during depression of the brewing cup (5), said detection module being signally connected to the control system.
9. The coffee brewing machine according to claim 8, wherein the first pressing module and the second pressing module are both motors (2), the side wall of the brewing plug (1) is provided with threads and sleeved with a transmission nut (4), and the motors (2) drive the transmission nut (4) to rotate forward and backward so as to drive the brewing plug (1) to move up and down.
10. Coffee brewing machine according to claim 9, characterized in that said detection module is a revolution sensor (3) for detecting the number of revolutions of the brewing plug (1), said revolution sensor (3) being signal-connected to said control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625295.6A CN109497836B (en) | 2018-12-28 | 2018-12-28 | Method for automatically brewing coffee and coffee brewing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811625295.6A CN109497836B (en) | 2018-12-28 | 2018-12-28 | Method for automatically brewing coffee and coffee brewing machine |
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| CN109497836A CN109497836A (en) | 2019-03-22 |
| CN109497836B true CN109497836B (en) | 2021-08-10 |
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| CN115281525B (en) * | 2022-07-11 | 2024-05-24 | 广东新宝电器股份有限公司 | Coffee machine |
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| CN2475354Y (en) * | 2001-05-15 | 2002-02-06 | 刘增祥 | Device for high pressure pouring boiling water on tea |
| US8479638B2 (en) * | 2010-02-26 | 2013-07-09 | Simatelex Manufactory Co., Ltd. | Tamping device |
| CN203182711U (en) * | 2013-04-17 | 2013-09-11 | 郑翠芬 | Coffee powder pressing machine |
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| EP0948927B1 (en) * | 1998-04-06 | 2002-01-02 | Necta Vending Solutions S.p.A. | Brewing unit for an espresso-type coffee vending machine |
| CN101621948A (en) * | 2007-02-27 | 2010-01-06 | 塞可Ipr有限公司 | Method for automatic adjustment of the quantity of coffee and coffee machine using said method |
| DE102013225127A1 (en) * | 2013-12-06 | 2015-06-11 | Wmf Ag | Electrically operated coffee machine with discharge during wet flour pressing |
| KR20170050266A (en) * | 2015-10-30 | 2017-05-11 | 최대성 | Apparatus for tamping coffee |
| CN108497927A (en) * | 2018-03-14 | 2018-09-07 | 杭州易杯食品科技有限公司 | The method that capsule beverage mechanism makees tea-drinking |
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