JP2000259946A - Beverage extracting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a delicious beverage by enabling adjustment of strength by promoting extraction by stirring coffee powder and hot water by evenly and directly pouring hot water from a hot water supply nozzle toward the entire surface in a cylinder like a shower for period determined by a hot water supply timer means. SOLUTION: A chute 14 is rotated centering on an axis 24 and held so that an exit 14a comes on the cylinder 25 by a chute driving and rotating device 23 by a sale signal. When insertion of the coffee powder 9 into the cylinder 25 is completed, the chute 14 is returned to a stand-by state. A hot water valve 11 of a hot water tank 10 is opened, the hot water 12 is supplied like the shower from an exit 26a of the hot water supply nozzle 26 mounted on a center axis of the cylinder 25 for the period set by a hot water supply control means 33 and a timer counting means 34. The coffee powder and the hot water in the cylinder 25 are stirred by hot water supply like the shower. And mixed liquid 15 passes a filter 3 from an opening 2 on the lower surface, forcedly filtered to a filtered liquid receptor and coffee is extracted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage extracting apparatus capable of adjusting a concentration and extracting a delicious beverage having a low astringency.

[0002]

2. Description of the Related Art Conventionally, as a beverage extracting device, for example, one described in Japanese Patent Application Laid-Open No. 1-158592 is known.

Hereinafter, the above-mentioned conventional beverage brewing apparatus will be described with reference to the drawings.

FIG. 5 is a beverage circuit diagram of a conventional beverage extraction device. In FIG. 5, 1 is a cylinder in which coffee or the like 9 and hot water are mixed, 2 is a lower opening of the cylinder 1, 3 is a filter covering the lower opening 2, and 4 is a filtrate receiver for pressing the filter 3 against the lower opening 2. Reference numeral 5 denotes an upper opening of the cylinder 1, 6 denotes a valve mechanism for closing the upper opening 5, 7 denotes a valve mechanism driving device for driving the valve mechanism 6, and 8 denotes a storage / carrying-out device for storing coffee powder 9.

[0005] 10 is a hot water 12 to the cylinder 1 via a hot water valve 11
Is a hot water tank, 13 is formed in the upper part of the cylinder 1, is a raw material receiver inclined in the direction of the cylinder 1, 14 is a chute for charging the coffee powder 9 into the raw material receiver 13, 15 is a mixed solution of coffee powder and hot water, 16 is An air pump connected to an air inlet 18 at the upper part of the cylinder and an air inlet 19 at the lower part of the cylinder; 20 is a three-way switching valve for sending air to one of the air inlet 18 at the upper part of the cylinder and the air inlet 19 at the lower part of the cylinder; Reference numeral 21 denotes a hot water supply nozzle which communicates with the hot water valve 11 to pour hot water into the cylinder.

[0006] The operation of the beverage brewing apparatus configured as described above will be described below.

First, in the standby state, the valve mechanism 6 is open, coffee powder 9 is supplied from the raw material storage 8 to the raw material receiver 13 via the chute 14 by the sales signal, and is sent out from the hot water tank 10 via the hot water valve 11. The hot water 12 flows from the hot water supply nozzle 21, and the coffee powder 9 on the raw material receiver 13 flows into the cylinder 1. Coffee powder 9 in cylinder 1
Air is blown into the lower air inlet 19 from the air pump 16 through the three-way switching valve 20 into the mixture 15 of the hot water 12 and the hot water 12 for a predetermined time. The mixed air 1
5 is agitated to promote extraction of coffee extract from coffee powder 9. After the mixture 15 has been stirred by the air, the coffee powder and the hot water stay in the cylinder 1 for a predetermined time, and then the valve mechanism 6 causes the valve mechanism 6 to move the valve mechanism 6 to the upper opening 5 of the cylinder 1.
Is closed, and air is blown into the cylinder 1 from the upper air inlet 18 by the three-way switching valve 20 from the pump 16. The inside of the cylinder 1 is pressurized, and the mixed liquid 15 passes through the filter 3 through the lower surface opening 2 and is forcibly filtered by the filtrate receiver 4, and the valve mechanism 6 opens to return to the standby state.

[0008]

However, in the conventional beverage brewing apparatus, the mixture 15 of the coffee powder 9 and the hot water 12 is forcibly and vigorously stirred with air to oxidize the extract.
There was a drawback that the astringency became strong and the taste of the beverage fell.

An object of the present invention is to solve the conventional problems, and an object of the present invention is to provide a beverage extracting apparatus for a delicious beverage having less astringency and capable of adjusting the concentration.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is to supply hot water directly into a cylinder in the form of a shower and make the hot water supply time longer than before so that hot water is supplied by the shower-like hot water supply. It is to extract the coffee extract by stirring the powder. Thereby, the concentration can be adjusted by changing the hot water supply time.

Further, when the shower-like hot water supply is divided into two times, the first hot water supply is performed, the steaming time is set and the second hot water supply is performed, so that a richer and more delicious coffee liquid can be extracted.

Thus, the concentration can be adjusted by changing the hot water supply time or the steaming time, and a delicious drink with less astringency can be extracted because the mixture is not stirred by air.

[0013]

The invention according to claim 1 is to stir a mixture of coffee powder and hot water in a cylinder by showering hot water into the cylinder to promote the extraction of coffee extract. Hot water is directly supplied into the cylinder, and the hot water supply time is set to 5 seconds to 30 seconds, which is longer than the conventional hot water supply time, so that a highly concentrated extract can be obtained. Also, the concentration can be adjusted by changing the hot water supply time. Since the mixture of the coffee powder and the hot water is not agitated by air, a delicious beverage with less astringency is extracted.

According to the second aspect of the present invention, steaming is usually carried out with a single hot water supply and thereafter a mixed liquid of coffee powder and hot water is retained, but the shower hot water supply is divided into two times and the first shower hot water supply is performed. After the hot water supply, a steaming time of 50 seconds or less is provided, and when the second shower-like hot water supply is performed, a richer and more delicious coffee can be extracted as compared with the case of the usual single hot water supply. The concentration can be adjusted by changing the steaming time.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a beverage brewing apparatus according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 shows a beverage circuit diagram of a beverage brewing apparatus. In FIG. 1, reference numeral 23 denotes a chute rotation driving device, and a chute 14 whose upper end is rotatably supported by a shaft 24 is provided. Drive. 25 is a cylinder whose upper part is opened in a substantially conical shape, 26 is a hot water supply nozzle provided on the valve mechanism 6 so as to be capable of showering hot water from the center axis of the horizontal cross section of the cylinder 25, and 30 is a freely rotatable valve mechanism 6. The rotating shaft 31 is supported on the rotating shaft 30 and the shaft body protruding from the rotating shaft 30 and the valve mechanism 6.
Numeral 2 is a coffee powder when the valve mechanism 6 is at a position not close to the cylinder 25 and is in contact with the shaft 31 and has an appropriate angle with the driving direction of the valve mechanism 6 and the valve mechanism 6 is at the top dead center. 9 is a guide rail provided so as to be held at a position where the valve mechanism 6 does not contact the valve mechanism 9. 33 is a hot water supply control means for controlling the amount of hot water supply, and 34 is a hot water supply timer counting means for counting a hot water supply time.

FIG. 2 shows an outlet 26a of the hot water supply nozzle 26.
FIG. As shown in FIG.
6a is a curved surface 26c having a plurality of hot water projecting holes 26b. Even when the hot water supply time is lengthened and the amount of hot water per unit time is reduced, the coffee powder 9 flows down over the entire surface of the coffee powder 9 in the cylinder 25. Stir evenly.

FIG. 3 is a flowchart showing the operation of the beverage brewing apparatus of the embodiment, and FIG. 4 is a time chart of hot water supply time control. Hereinafter, the operation of the beverage extraction device of the embodiment will be described.

In the standby state, the valve mechanism 6 is at the top dead center, and the shaft 31 is held against the guide rail 32.
The hot water supply nozzle 26 attached to the valve mechanism 6 is installed such that the outlet 26 a is located at the center of the upper surface opening 5 of the cylinder 25.

The chute driving / rotating device 23 is operated by a sales signal.
Rotates the chute 14 about the shaft 24 and holds the outlet 14a so that the outlet 14a comes above the cylinder 25 (STEP 1).
When the coffee powder 9 has been put into the cylinder 25 (ST
EP2), the chute 14 returns to the standby state. Hot water valve 11 of hot water tank 10 is opened (STEP 3), and hot water 12 is discharged from outlet 26a of a hot water supply nozzle installed on the central axis of cylinder 25.
Hot water is supplied more like a shower at a time set by hot water supply control means 33 and timer count means 33 (S
TEP4). The coffee powder and the hot water in the cylinder 25 are agitated by this shower-like hot water supply.

After the hot water valve 11 is closed (STEP 5) and the mixed liquid 15 of coffee powder and hot water stays in the cylinder 25, the rotary shaft 30 of the valve body 6 is lowered by the valve body driving device 7 and follows the shaft. The body 31 descends while contacting the guide rail 32. Thereafter, the shaft body 31 leaves the guide rail 32, and the valve mechanism 6 descends vertically to close the upper opening 5 of the cylinder 25 (STEP 6).

Then, air is blown into the cylinder 25 from the air inlet 18 by the pump 16. The inside of the cylinder 25 is pressurized, and the mixed solution 15 is filtered through the opening 2 on the lower surface.
And coffee is extracted by forced filtration into the filtrate receiver 4 (STEP 7).

When the valve mechanism 6 is moved up by the valve mechanism driving device 7 and separated from the cylinder 25 and the shaft body 31 starts to move up while abutting on the guide rail 32, the valve mechanism 6 rises while rotating about the rotary shaft 30 and stands by. Return to the state (STEP 8).

As described above, in the stirring of the coffee powder and hot water in the cylinder by the shower-like hot water supply, the stirring is not performed by blowing the air into the mixture of the coffee powder and hot water, so that a delicious beverage with less astringency is extracted. it can.

FIG. 5 shows the relationship between the shower-like hot water supply time and the concentration. The longer the hot water supply time, the higher the concentration. If the hot water supply time is 5 seconds to 30 seconds longer than in the past, the stirring time by the shower-like hot water supply and the contact time between the coffee powder and the hot water become longer, so that a coffee extract having a high concentration can be obtained.

(Embodiment 2) FIG. 6 shows a beverage circuit diagram of the beverage extraction apparatus of the embodiment. Reference numeral 35 denotes steaming control means for providing steaming by dividing hot water supply into two times, and 36 denotes steaming time for counting steaming time. Timer means.

FIG. 7 is a flowchart showing the operation of the beverage brewing apparatus of the embodiment, and FIG. 8 is a time chart of steaming time control. Hereinafter, the operation of the beverage extraction device of the embodiment will be described.

When the coffee signal 9 is completely charged into the cylinder 25 according to the sales signal (STEP 1), the hot water tank 1
The hot water valve 11 is opened, and the hot water 12 is showered from the outlet 26a of the hot water supply nozzle installed on the central axis of the cylinder 25 in a first shower (25 cc to 50 cc per 10 g of coffee powder).
cc) is performed (STEP 2). After the hot water valve 11 is closed and the first hot water is supplied, the mixed liquid 15 of the coffee powder 9 and the hot water 12 remains in the cylinder 25 as the steaming time (STE).
P3). Thereafter, the hot water valve 11 is opened again to perform the second shower-like hot water supply, and the coffee powder and the hot water are stirred (STEP
4). Thereafter, the valve mechanism 6 closes the upper opening 5 and the mixture 15
Is extracted by pressurizing with a pump 16 (STEP 5).

FIG. 9 shows the relationship between the steaming time and the coffee extract concentration between the first shower-like hot water supply and the second shower-like hot water supply. FIG. 3 shows that the longer the steaming time, the higher the concentration of the coffee extract. Also, the rate of increase is reduced, and the steaming time is 50
The value is almost constant after the second. This allows
By providing a steaming time of 50 seconds or less, a more concentrated extract can be obtained, and the concentration can be adjusted by changing the steaming time.

[0030]

As described above, according to the present invention, the coffee powder and the hot water in the cylinder are agitated by the shower-type hot water supply to promote the extraction of coffee, so that a delicious beverage with less astringency can be extracted.

Further, by performing shower-like hot water supply twice and providing a steaming time after the first hot water supply, extraction with higher concentration can be performed. The concentration can be adjusted by changing the steaming time.

[Brief description of the drawings]

FIG. 1 is a beverage circuit diagram of a beverage extraction device according to a first embodiment of the present invention.

FIG. 2 is a detailed view of a hot water supply nozzle tip portion of the beverage extracting device according to the first and second embodiments of the present invention.

FIG. 3 is a flowchart showing the operation of the beverage brewing apparatus according to the first embodiment.

FIG. 4 is a time chart of hot water supply time control of the embodiment.

FIG. 5 is a characteristic diagram showing a relationship between a shower-like hot water supply time and an extract concentration in Example 1 of the beverage extraction device according to the present invention.

FIG. 6 is a beverage circuit diagram of Embodiment 2 of the beverage extraction device according to the present invention.

FIG. 7 is a flowchart showing the operation of the beverage extraction device of the embodiment.

FIG. 8 is a time chart of the steaming time control of the embodiment.

FIG. 9 is a characteristic diagram showing the relationship between the steaming time and the extract concentration in Example 2 of the beverage extraction device according to the present invention.

FIG. 10 is a beverage circuit diagram of a conventional beverage extraction device.

[Explanation of symbols]

 2 lower surface opening 3 filter 4 filtrate receiver 5 upper surface opening 6 valve mechanism 9 coffee powder 10 hot water tank 11 hot water valve 12 hot water 14 chute 16 pump 18 upper air inlet 25 cylinder 26 hot water supply nozzle 33 hot water supply control means 34 hot water supply timer means 35 Steaming control means 36 Steaming timer means

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Ryo Tanaka 4-2-5 Takaida Hondori, Higashiosaka-shi, Osaka Matsushita Refrigerator Co., Ltd. F-term (reference) 3E047 AA02 BA01 DB08 EB03 EC01 EC05 EC09

Claims (2)

[Claims] 1. A cylinder having an upper opening, a valve mechanism for closing the upper opening of the cylinder, a filter covering the lower opening of the cylinder, and a filter for pressing the filter against the lower opening of the cylinder. A liquid receiver, an air inlet formed in the cylinder, a pump communicating with the air inlet, a chute for guiding coffee to the cylinder, a hot water tank for supplying hot water to the cylinder, and a hot water tank A hot water valve for adjusting the amount of hot water to be supplied from the hot water supply nozzle, and a hot water supply nozzle for discharging hot water in a shower shape into the cylinder,
It comprises hot water supply control means for controlling the hot water valve, and hot water supply timer means for counting the time for opening the hot water valve, and the time determined by the hot water supply timer means, evenly from the hot water supply nozzle toward the entire surface in the cylinder. A beverage extractor that pours hot water directly into a shower to stir the coffee powder and hot water to promote extraction. 2. A steaming control means for controlling a hot-water valve divides a time for supplying hot water uniformly in a shower shape toward the entire surface of the cylinder into two times, and steaming time of the first and second hot water is steamed by a steaming timer means. The beverage extraction device according to claim 1, wherein a time is provided, and the concentration can be adjusted by changing the steaming time.