JP2019111068A - Beverage extraction apparatus - Google Patents

Abstract

Provided is a beverage extraction device capable of suppressing variation in stirring and mixing of beverages in a cylinder. The beverage extraction device includes a paper filter housing, and the paper filter housing houses a paper filter wound in a roll shape. A filter block 16 is provided at the center of the beverage extraction device. Above the filter block 16, there is provided a cylinder 21 whose lower part is open. A first stirring and mixing circuit for charging the beverage raw material 20 and hot water into the cylinder, refilling the beverage extracted through the paper filter into the cylinder, and agitating and mixing the raw material and hot water in the cylinder with the recharged beverage. 150. [Selection diagram] FIG.

Description

  The present invention relates to a beverage extraction device.

DESCRIPTION OF RELATED ART Conventionally, the drink extraction apparatus which can extract drinks, such as coffee, for example via a paper filter is known (for example, refer patent document 1).
In this type of beverage extraction apparatus, it is known that air agitation is performed to agitate the inside of a cylinder by depositing raw materials on a paper filter and conveying air from under the paper filter.

Unexamined-Japanese-Patent No. 2006-244448

However, since there is a variation in the space of the paper filter, if only air agitation for conveying the air from under the paper filter is used, variation in the air mixing is likely to cause variation in agitation mixing of the beverage in the cylinder. There is still room for improvement.
This invention solves the subject mentioned above, and it aims at providing the drink extraction apparatus which can suppress the variation in the stirring and mixing of the drink in a cylinder.

  In order to achieve the above object, according to the present invention, in a beverage extracting apparatus for charging beverage raw material and hot water into a cylinder and extracting the beverage through a paper filter, the beverage extracted through the paper filter is contained in the cylinder And a first agitation and mixing circuit for agitating and mixing the raw material and the hot water in the cylinder by the recharged beverage.

  ADVANTAGE OF THE INVENTION According to this invention, since the raw material and hot water in a cylinder are stir-mixed by the drink thrown in again, the drink extraction apparatus which can suppress the variation in the stirring and mixing of the drink in a cylinder can be provided.

The schematic diagram which looked at the drink extraction apparatus which concerns on embodiment of this invention from the front Perspective view of the inside of the beverage brewing device Schematic diagram of the first agitation mixing circuit and the second agitation mixing circuit Diagram showing mixing of raw materials and hot water

The beverage extraction apparatus according to the first aspect of the present invention is a beverage extraction apparatus for injecting beverage raw materials and hot water into a cylinder and extracting the beverage through a paper filter, wherein the beverage extracted through the paper filter is reintroduced into the cylinder It is characterized by having provided the 1st stirring mixing circuit which carries out stirring mixing of the raw material in the said cylinder, and hot water by this drink which was thrown in and reintroduced.
According to the present invention, since the raw material and hot water in the cylinder are stirred and mixed by the re-injected beverage, it is possible to provide a beverage extraction device capable of suppressing variation in the stirring and mixing of the beverage in the cylinder.

The beverage extraction apparatus according to the second invention is characterized in that, in the first invention, the extracted beverage is re-injected into the central portion of the cylinder in plan view.
According to the present invention, since the beverage is re-injected into the central portion of the cylinder in plan view, the re-injected beverage promotes uniform agitation throughout the cylinder. In addition, stirring and mixing can be performed even when the amount of raw material set in advance and the amount of hot water set in advance are changed and the water level in the cylinder changes. Thus, it is possible to provide a beverage extraction device capable of suppressing variation in agitation and mixing of the beverage in the cylinder.

The beverage extraction device according to a third aspect of the invention is the second aspect according to the first aspect or the second aspect, wherein the air is transported into the cylinder, and the raw material and hot water in the cylinder are stirred and mixed by the transported air. A circuit is provided.
According to this aspect of the invention, the raw material and hot water in the cylinder can be stirred and mixed by conveying the air into the cylinder in addition to the stirring and mixing of the raw material in the cylinder and the hot water by the recharged beverage. The means can be increased. Therefore, when stirring and mixing the raw material and hot water in the cylinder, an appropriate means can be selected according to the situation. Thus, it is possible to provide a beverage extraction device capable of suppressing variation in agitation and mixing of the beverage in the cylinder.

A beverage extraction apparatus according to a fourth aspect of the present invention is the beverage extraction apparatus according to the third aspect, wherein stirring and mixing by circulation of the beverage is performed via the first agitation mixing circuit and the second agitation mixing circuit at one extraction. It is characterized by performing stirring and mixing by air.
According to the present invention, the means for stirring can be increased, and the means for stirring and mixing the raw material and the hot water in the cylinder can be selected according to the situation. Thus, it is possible to provide a beverage extraction device capable of suppressing variation in agitation and mixing of the beverage in the cylinder.

The beverage extraction apparatus according to the fifth invention is characterized in that, in the beverage extraction apparatus according to the third invention or the fourth invention, the circulation flow rate of the beverage and / or the air volume of the air is controlled.
According to this invention, the strength of the stirring can be changed, and also the time for stirring can be changed. Therefore, the flavor of the beverage to be extracted can be arbitrarily selected.

  An extraction device according to a sixth aspect of the invention is characterized in that in the beverage extraction device according to the first aspect, the extracted beverage is dispersed to the whole of the cylinder in plan view. Thereby, the re-injected beverage promotes uniform agitation throughout the cylinder.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited by the present embodiment.

FIG. 1 is a schematic view of a beverage extraction device 1 according to an embodiment of the present invention as viewed from the front. FIG. 2 is a perspective view of the inside of the beverage brewing apparatus 1. FIG. 3 is a schematic view showing the first stirring and mixing circuit 150 and the second stirring and mixing circuit 200. As shown in FIG.
The right side is defined as right, the left side is left, the upper side is upper, the lower side is lower, the back side is rear, and the near side is front, with reference to the front view of the beverage extraction device 1 in FIG. Moreover, let the front-back direction in the drink extraction apparatus 1 be front-back direction, let the left-right direction in the drink extraction apparatus 1 be the left-right direction, and let the up-down direction in the drink extraction apparatus 1 be a height direction.

Hereinafter, the structure of the drink extraction apparatus 1 which concerns on this Embodiment is demonstrated.
The beverage extraction device 1 according to the present embodiment is a device for extracting a coffee beverage by dripping. The beverage extraction device 1 can extract a coffee beverage by dripping through the paper filter 10 on the filter block 16, and the paper filter 10 after coffee beverage extraction is moved along the conveyance path 100 by the conveyance unit 60. , And is stored in the storage unit 30 provided in the lower part of the beverage brewing apparatus 1.

  As shown to FIG. 1 and FIG. 2, the drink extraction apparatus 1 is equipped with the paper filter accommodating part 11 in upper left part. The paper filter accommodating portion 11 accommodates the paper filter 10 wound in a roll shape. A filter block 16 is provided on the right side of the paper filter accommodating portion 11 and at the central portion of the beverage extraction device 1.

The filter block 16 has a mechanism for moving up and down.
As shown in FIG. 3, the inside of the filter block 16 is formed with a tapered portion 48 which widens upward.
A filter portion 18 is provided at the center portion of the upper surface of the filter block 16, in other words, the upper end portion of the tapered portion 48. As shown in FIG. 2, a packing 17 is provided on the entire circumferential direction of the filter portion 18.
At the lower end portion of the tapered portion 48, a discharge port 59 is provided.

Above the filter block 16 is provided a cylinder 21 which is open at the bottom.
The cylinder 21 includes a body 26, a head 28, and a recess 27 provided between the body 26 and the head 28. The lower end 26 a of the body 26 closely contacts the packing 17 via the paper filter 10 when the filter block 16 is lifted. The paper filter 10 surrounded by the lower end 26 a of the body portion 26 corresponds to the filter portion 18.
The body 26 of the cylinder 21 is supported by the support arm 22 at two places on the left and right. The support arm 22 is fixed to a housing 29 arranged at the rear in the beverage brewing device 1.

The head 28 of the cylinder 21 is covered by a cover member 40. The cover member 40 is fixed to a housing 29 disposed at the rear in the beverage brewing apparatus 1.
The cover member 40 includes a main cover 41 having a size that covers the entire head portion 28 of the cylinder 21 in a plan view. In addition, the cover member 40 includes a sub cover 49 which is detachable from the main cover 41 as a separate member. The sub cover 49 is provided between the main cover 41 and the head 28 of the cylinder 21 and is slidable along the main cover 41 and is detachable.

  The main cover 41 includes a raw material inlet 43 for charging the ground coffee beans powder which is the raw material 20 of the coffee beverage into the cylinder 21, a hot water inlet 44 for injecting hot water into the cylinder 21, and the inside of the cylinder 21. A steaming port 45 for drawing steam, and a circulation / stirring input port 47 used when circulating and stirring the beverage to extract, for example, a coffee beverage, are provided. An upper pipe 71 is connected to the circulation stirring input port 47.

The circulation stirring inlet 47 is provided at the center of the cylinder 21 in a plan view of the cylinder 21. Further, the circulation stirring input port 47 is located at the top of the cylinder 21.
Thereby, the extracted coffee beverage is re-injected into the central portion of the cylinder 21 in a plan view by using circulation stirring described later. Since the extracted beverage is reloaded into the central portion of the cylinder 21, the entire beverage in the cylinder 21 can be efficiently stirred.

  In order to deposit the raw material 20 introduced into the cylinder 21 through the raw material inlet 43 in the central portion of the cylinder 21, the raw material inlet 43 may be provided with its lower portion directed toward the central portion of the cylinder 21. .

  Alternatively, the coffee beverage extracted toward the raw material 20 deposited in the cylinder 21 may be reloaded. In this case, the direction of the circulation / stirring input port 47 may be disposed toward the portion where the raw material 20 is deposited in the cylinder.

As shown in FIG. 3, the other end of the upper pipe 71 is connected to the circulation stirring input port 47. One end of the upper pipe 71 is connected to a beverage providing pipe 80 described later.
The upper pipe 71 is provided with a first adjusting means 72. The first adjusting means 72 can open and close the upper pipe 71 and adjust the flow rate. For example, a solenoid valve or the like can be used as the first adjustment means 72.

The beverage brewing apparatus 1 comprises a pump 46. The pump 46 is disposed at the lower right of the beverage brewing apparatus 1 as shown in FIGS. 1 and 2.
As shown in FIG. 3, a beverage supply pipe 80 is connected to the pump 46.
The beverage provision pipe 80 includes a second adjustment unit 82. The second adjustment means 82 can open and close the beverage supply pipe 80 and adjust the flow rate. For example, a solenoid valve or the like can be used for the second adjustment means 82.
One end of the above-mentioned upper pipe 71 is connected between the pump 46 and the second adjusting means 82 in the beverage providing pipe 80.

  The other end of the lower pipe 73 is connected to the pump 46. One end of the lower pipe 73 is connected to the discharge port 59.

The beverage brewing apparatus 1 comprises a first stirring and mixing circuit 150.
The first stirring and mixing circuit 150 according to the present embodiment includes a cylinder 21, a pump 46 for circulating a coffee beverage extracted in the cylinder 21, a beverage providing pipe 80 connected to the pump 46, and a beverage providing pipe at one end. The upper pipe 71 is connected to the upper end of the cylinder 21 and the lower pipe 73 has one end connected to the discharge port 59 and the other end connected to the pump 46.

The pump 46 circulates the coffee beverage extracted through the paper filter 10 into the first stirring and mixing circuit 150 in the order of the lower pipe 73, the pump 46, the beverage providing pipe 80, the upper pipe 71, and the cylinder 21.
Thus, the coffee beverage is extracted through the paper filter 10, and the extracted coffee beverage is again introduced into the cylinder 21 by circulating it to the first stirring and mixing circuit 150, and the cylinder 21 is re-injected by the re-introduced coffee beverage. The method of stirring and mixing the ingredients inside and hot water is called circulating stirring (stirring mixing by circulation of beverage).
The first agitation mixing circuit 150 can be used when performing circulation agitation.

The first stirring and mixing circuit 150 according to the present embodiment uses the existing beverage providing pipe 80 by connecting one end of the upper pipe 71 to the beverage providing pipe 80.
However, the first stirring and mixing circuit 150 is not necessarily limited to this form, as long as the extracted coffee beverage is re-injected into the cylinder 21. For example, one end of the upper pipe 71 may be connected to the pump 46.
That is, for example, the first stirring and mixing circuit 150 includes a cylinder 21, a pump 46 for circulating a coffee beverage extracted in the cylinder 21, and an upper pipe having one end connected to the pump 46 and the other end disposed above the cylinder 21. 71 and a lower pipe 73 whose one end is connected to the lower part of the cylinder 21 and whose other end is connected to the pump 46.

The beverage brewing apparatus 1 comprises a second stirring and mixing circuit 200.
The second stirring and mixing circuit 200 includes a cylinder 21, a pump 46 for transporting air, and a lower pipe 73 connected to the discharge port 59 at one end and to the pump 46 at the other end.

The pump 46 conveys air into the cylinder 21 via the lower pipe 73, the discharge port 59 and the filter portion 18.
Thus, air is conveyed into the cylinder 21 through the lower pipe 73 by the pump 46, and the raw material and hot water in the cylinder 21 are stirred and mixed by the air conveyed into the cylinder 21 (air agitation (air agitation) Mixed).
The second agitation mixing circuit 200 can be used when performing air agitation.

In the present embodiment, the first mixing and mixing circuit 150 and the second mixing and mixing circuit 200 are realized by the same components. That is, the cylinder 21 and the pump 46 used in the second stirring and mixing circuit, and the lower pipe 73 whose one end is connected to the lower portion of the cylinder 21 and the other end is connected to the pump 46 are also used in the first stirring and mixing circuit 150 .
Thereby, the first agitation mixing circuit 150 and the second agitation mixing circuit 200 can be provided in the beverage extraction device 1 without increasing the number of parts of the beverage extraction device 1.
Of course, different parts may be used for the first stirring and mixing circuit 150 and the second stirring and mixing circuit 200, respectively.

  The beverage extraction device 1 includes a control unit 300 including a CPU or the like as a control configuration. The control unit 300 comprehensively controls each part of the beverage extraction device 1 by the CPU reading and executing a control program installed in advance.

The controller 300 controls the pump 46.
The control unit 300 can change and set the flow rate of the extracted coffee beverage to be reintroduced into the cylinder 21 by changing the number of rotations of the motor of the pump 46 when performing the circulation stirring.
Further, when performing the air agitation, the control unit 300 can change and set the air volume of the air conveyed into the cylinder 21 by changing the number of rotations of the motor of the pump 46.
The rotational speed of the motor of these pumps 46 can be varied by, for example, PWM control or voltage control.
The control unit 300 adjusts the opening / closing and the opening degree of the first adjusting unit 72 and the second adjusting unit 82.

An example of the process of extracting a coffee drink in the drink extraction apparatus 1 is shown.
First, as shown by the arrow in FIG. 4A, the raw material 20 is introduced into the cylinder 21 from the raw material inlet 43. Further, hot water is introduced into the cylinder 21 from the hot water inlet 44.
As a result, the raw material 20 is deposited in the hot water introduced into the cylinder 21, and the coffee beverage is extracted in the cylinder 21.
At this time, the control unit 300 opens the first adjustment unit 72. Further, the control unit 300 closes the second adjustment unit 82.

Next, as shown in FIG. 4B, the control unit 300 causes the pump 46 to operate in the forward direction. At this time, the first adjusting means 72 is opened. Also, the second adjusting means 82 is closed.
The coffee beverage extracted in the cylinder 21 flows from the inside of the cylinder 21 to the lower pipe 73, the pump 46, the beverage providing pipe 80, and the upper pipe 71 from the inside of the cylinder 21 by the pump 46, and is again introduced into the cylinder 21 from the circulation stirring inlet 47. Ru.
The process shown in FIG. 4 (B) is circulation stirring.

Next, when the circulation and agitation are completed, as shown in FIG. 4C, the control unit 300 reverses the pump 46 so that the coffee beverage collected in the upper pipe 71 is returned from the discharge port 59 into the cylinder 21. Run in the direction. This process is called a return process.
By returning the extracted coffee beverage accumulated in the upper pipe 71 by the returning step back to the cylinder 21, the extracted coffee beverage is prevented from remaining in the upper pipe 71. Thereby, the hygiene aspect by a coffee beverage remaining in upper piping 71 can be improved.
At this time, the first adjusting means 72 is opened. Also, the second adjusting means 82 is closed.

Next, when the return process is completed, as shown in FIG. 4D, the control unit 300 causes the pump 46 to operate in the reverse direction, and the inside of the cylinder 21 through the lower pipe 73, the discharge port 59 and the filter unit 18. Transport air to the
As a result, the raw material 20 and the extracted coffee beverage are sufficiently stirred in the cylinder 21 by circulation stirring, and then the raw material 20 and the extracted coffee beverage are stirred, so that the portion where the raw material 20 deposits is biased, etc. Even in the case, it is possible to promote efficient stirring of the entire inside of the cylinder 21.
In addition, by performing air agitation after circulation agitation, even if there is a void variation in the paper filter 10, the beverage passes through the paper filter 10 once by circulation agitation, so that air can be ejected uniformly into the cylinder 21. . Therefore, the mixing variation of the raw material 20 in the cylinder 21 and the hot water can be reduced.
At this time, the first adjusting means 72 is opened. Also, the second adjusting means 82 is closed.
The step shown in FIG. 4D is air agitation.

In the present embodiment, in the coffee beverage extraction process, circulation agitation is performed first, and after the return process, air agitation is performed.
In addition, the order and frequency | count which perform circulation stirring and air stirring are changeable suitably.

When the coffee beverage extraction process is finished, as shown in FIG. 4 (E), the first adjusting means 72 is closed and the second adjusting means 82 is opened.
The control unit 300 operates the pump 46 in the positive direction, and provides the beverage in the cylinder 21 to the user of the beverage extraction device 1 via the beverage providing pipe 80.

  After providing the user of the beverage extraction device 1 with the beverage, as shown in FIG. 4 (F), the filter block 16 is lowered. The raw material 20 that has become the extraction residue is transported by the transport unit 60 together with the paper filter 10.

As described above, the beverage extraction device 1 according to the present embodiment supplies the beverage raw material 20 and the hot water into the cylinder 21 and extracts the beverage through the paper filter 10 in the beverage extraction device 1. The beverage extracted through the above is re-injected into the cylinder 21, and the first agitation mixing circuit 150 is provided to agitate and mix the raw material 20 in the cylinder 21 and hot water by the re-introduced beverage.
According to this, since the raw material 20 and hot water in the cylinder 21 are stirred and mixed by the re-injected beverage, it is possible to provide the beverage extraction device 1 capable of suppressing variation in the stirring and mixing of the beverage in the cylinder 21.

Further, according to the present embodiment, the extracted beverage is re-injected into the central portion of the cylinder in plan view.
According to this, since the beverage is re-injected into the central portion of the cylinder 21 in plan view, the re-injected beverage promotes uniform stirring of the entire inside of the cylinder 21. Thereby, the drink extraction apparatus 1 which can suppress the variation in the stirring and mixing of the drink in the cylinder 21 can be provided.
In addition, according to the present embodiment, the circulation and stirring input port 47 is provided at the central portion of the cylinder 21, but the present invention is not necessarily limited to this. For example, the extracted beverage may be spread over the entire cylinder 21 in plan view. Specifically, the circulation stirring inlet 47 is provided at the periphery of the cylinder 21, and a shower nozzle (not shown) provided at the circulation inlet 47 reinjects the beverage extracted uniformly throughout the whole including the central part. It is also good. Also by this, the re-injected beverage promotes uniform stirring throughout the cylinder 21.

Further, according to the present embodiment, the air is conveyed into the cylinder 21 and the second stirring / mixing circuit 200 for stirring and mixing the raw material 20 in the cylinder 21 and the hot water by the conveyed air is provided.
According to this, it is possible to stir and mix the raw material 20 in the cylinder 21 and the hot water by transporting the air into the cylinder 21 in addition to the stirring and mixing of the raw material 20 in the cylinder 21 and the hot water by the reintroduced beverage. Therefore, the means of stirring can be increased. Therefore, when stirring and mixing the raw material 20 and hot water in the cylinder 21, an appropriate means can be selected according to the situation. Thereby, the drink extraction apparatus 1 which can suppress the dispersion of the stirring and mixing of the drink in the cylinder 21 can be provided.

Further, according to the present embodiment, stirring and mixing by circulation of the beverage and stirring and mixing by air are performed via the first stirring and mixing circuit 150 and the second stirring and mixing circuit 200 in one extraction. That is, the control unit 300 controls the pump 46 to perform both agitation mixing and air mixing in one extraction by the beverage extraction device 1.
According to this, the means of stirring can be increased, and when stirring and mixing the raw material 20 in the cylinder 21 and the hot water, an appropriate means can be selected according to the situation. Thereby, the drink extraction apparatus 1 which can suppress the dispersion of the stirring and mixing of the drink in the cylinder 21 can be provided.
Moreover, in extraction of a coffee drink, the setting of a wide variation width of a taste is attained by circulation stirring, air stirring, or these combination.
Further, for example, in order to break up the pile of the raw material 20 deposited on the paper filter 10 by combination of the circulating stirring and the air stirring, the circulating stirring is performed, and then the air stirring is performed; Mixing efficiency can be improved. In particular, when circulating agitation is performed first and then air agitation is performed, the beverage passes through the paper filter 10 by the circulating agitation, so that material variations in the gaps of the paper filter 10 are homogenized, so the position of the paper filter 10 Thus, it is possible to further improve the mixing efficiency of the raw material 20 and the hot water in the cylinder 21 by suppressing the variation of the air stirring due to the above.

Further, according to the present embodiment, control unit 300 controls the circulation flow rate of the beverage and / or the air flow rate of air.
According to this, even if the amount of the raw material 20 set in advance or the amount of the hot water set in advance is changed and the water level in the cylinder 21 changes, the stirring and mixing can be performed.

  As mentioned above, although the present invention was explained based on one embodiment, the present invention is not limited to this embodiment. Since the present invention merely illustrates one embodiment of the present invention, arbitrary modifications and applications are possible without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Beverage extraction apparatus 10 Paper filter 18 Filter part 20 Raw material 21 cylinder 43 Raw material inlet 44 Hot water inlet 46 Pump 47 Circulation stirring inlet 59 Discharge port 71 Upper piping 72 1st adjustment means 73 Lower piping 80 Beverage supply piping 82 2nd Adjustment means 150 1st stirring mixing circuit 200 2nd stirring mixing circuit 300 control part

Claims (6)

In a beverage extracting apparatus for charging beverage ingredients and hot water into a cylinder and extracting the beverage through a paper filter,
A beverage extraction characterized in that a beverage extracted through the paper filter is re-injected into the cylinder, and the material and hot water in the cylinder are agitated and mixed by the recharged beverage. apparatus.   The beverage extraction device according to claim 1, wherein the extracted beverage is re-injected into a central portion of the cylinder in a plan view.   The beverage extraction according to claim 1 or 2, further comprising a second stirring and mixing circuit for conveying air into the cylinder and stirring and mixing the raw material and the hot water in the cylinder by the conveyed air. apparatus.   The beverage extraction according to claim 3, characterized in that agitation mixing by circulation of the beverage and agitation mixing by air are performed via the first agitation mixing circuit and the second agitation mixing circuit in one extraction. apparatus.   The beverage extraction device according to claim 3, wherein a circulation flow rate of the beverage and / or an air volume of the air are controlled. The beverage extraction device according to claim 1, wherein the extracted beverage is spread over the entire cylinder in plan view.

Images