JP3263640B2 - Tea liquor extraction equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for extracting black tea liquor.

[0002]

2. Description of the Related Art Conventionally, this type of black tea liquor extraction apparatus is disclosed in, for example, JP-A-5-199936. According to this publication, tea leaves are put into a container, and hot water in a tank is poured into the container. The hot water from which the tea leaves are extracted turns into black tea liquid, passes through a filter provided at the bottom of the container, and is stored in the pot.

[0003]

In the above apparatus, the tea leaves naturally convect with the hot water in the container, so that the extract component of the tea leaves elutes into the hot water to provide a black tea liquid. However, since the movement of the tea leaves is natural convection due to hot water, there is a first drawback that the extract components are not sufficiently eluted and the aroma and taste are not sufficiently satisfactory.

Further, as described above, since the inner surface of the container is soiled after the tea leaves are extracted many times, there is a second disadvantage that the user needs to remove the container and wash the inner surface of the container. . Therefore, the present invention considers such conventional drawbacks, and supplies black tea liquid with excellent aroma and taste by activating the movement of black tea leaves and automatically cleans the inner surface of the container. A liquid extraction device is provided.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a container into which tea leaves are charged, a tank for boiling hot water, and hot water supply means for supplying hot water into the container. Convection means for forcibly convection the tea leaves in the hot water in the container.

[0006] In the first invention, preferably, the convection means is:
It comprises a rotating body and a stirring rod located away from the axis of the rotating body.

According to a second aspect of the present invention, a container into which tea leaves are charged, a tank for boiling hot water, a hot water supply unit for supplying hot water into the container, and hot water are received and rotated and circumferentially discharged. And a rotating body provided in the container for the purpose.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A tea liquor extraction apparatus according to an embodiment of the present invention will be described below with reference to a sectional view of FIG. 1, a perspective view of FIG.
This will be described with reference to the perspective view of the main part of FIG. The container 1 is composed of, for example, a top part 2, a side part 3, a leg part 4, a bottom part 5, and a filter 6.

The upper part 2 is made of, for example, a disk, and three holes are formed at appropriate places, and one opening 7 is formed. The side part 3 is formed in a cylindrical shape, for example, and a cylindrical leg part 4 is fixed to a lower part thereof. A bottom portion 5 is fixed to a lower portion of the leg portion 4, and a concave portion is formed in the bottom portion 5, and a filter 6 is provided in the concave portion.
Is arranged. An opening is formed at an appropriate position on the side part 3, and the liquid supply pipe 8 is fixed to the opening via a hot water supply valve 8a. In this manner, the container 1 is configured so that the tea leaves 9 are introduced through the opening 7 of the container 1 and accumulate at the bottom of the container 1.

The tank 10 for boiling hot water may be formed, for example, in a cylindrical shape with a bottom, and a lid (not shown) may be provided on the upper part thereof. A heater 11 is provided at the bottom of the tank 10, a temperature sensor (not shown) is provided on an outer wall of the tank 10, and a control unit (eg, a boiling temperature) is set so that the temperature of the hot water 12 in the tank 10 becomes high (near boiling temperature). It is controlled by a microcomputer (not shown).

The joint 13 is connected to an opening formed at the bottom of the tank 10. One side of the outlet of the joint 13 is connected to a hot water supply pipe 15 via a hot water supply pump 14.
Is disposed near the upper peripheral edge of the container 1. With these joints 13, hot water supply pump 14 and hot water supply pipe 15,
Hot water supply means 16 is configured. When a voltage is applied to the hot water supply pump 14, the hot water supply means 16 supplies the hot water 12 boiled in the tank 10 into the container 1.

The other side of the outlet of the joint 13 is provided with a cleaning pump 17.
The outlet of the washing tube 18 is arranged near the center of the upper part of the container 1. A hot water supply unit 19 is provided by the joint 13, the cleaning pump 17 and the cleaning pipe 18.
Is configured. When a voltage is applied to the cleaning pump 17, the hot water supply unit 19 supplies the hot water 12 boiled in the tank to the container 1.
Supply hot water inside.

As shown in FIG. 3, the rotating body 20 comprises, for example, a bottom portion 21, side portions 22, and grooves 23. The bottom 21 has a substantially circular planar shape, and a hole 24 is formed at the center.
The side part 22 is substantially cylindrical, and the lower part thereof is formed so as to be connected to the bottom part 21. The groove 23 has a concave cross section and is formed by being connected to an appropriate position of the side part 22. The stirring rod 25 is made of, for example, a stainless steel rod, and is fixed to the bottom 21 so as to face downward substantially orthogonally to the back surface of the bottom 21. The stirring rod 25 is connected to the axis of the rotating body 20 (that is,
4) so as to be located a predetermined distance A away from it.

As shown in FIG. 1, a motor 26 is fixed on the upper part 2 of the container 1, and a shaft 27 a of the motor passes through a hole formed substantially at the center of the upper part 2, and a hole 24 of the rotating body 20 is formed. It penetrates and its tip is fixed with a nut (not shown). A convection means 27 is constituted by the motor 26, the rotating body 20, the stirring rod 25, and the like. When the motor 26 constituting the convection means 27 is energized, the rotating body 20 rotates, and the stirring rod 25 rotates with a radius substantially equal to A. As a result, in the hot water 28 in the container 1, the black tea leaves 29 move (jump) by the forced convections 30 and 31, and the extract of the black tea leaves 29 is extracted into the hot water 28, resulting in excellent taste and aroma. A black tea liquor is produced.

The cleaning means 32 is constituted by the motor 26, the rotating body 20, the hot water supply unit 19 and the like. Hot water 2 in container 1
After using the cleaning means 8, the cleaning pump 17 constituting the cleaning means 32
, The inside of the side portion 22 of the rotating body 20 receives the hot water 12 and discharges the hot water 12 in the circumferential direction through the groove portion 23 while rotating. As a result, the inner surface of the container 1 is washed away by the discharged hot water 12, and the inner surface is cleaned.

The tea discharge container 33 is, for example, a first guide 34.
, Packing 35, tea discharge pipe 36, second guide 37
And a tea discharge tank 38 and the like. The first guide 34 is in contact with the bottom surface of the bottom 5 constituting the container 1 via the packing 35. The tea drain tube 36 is arranged in the first guide 34, and its inlet is connected to the opening of the bottom 5, and its outlet faces into the tea drain tank 38. In this way, the tea drainage container 33 is configured to be detachable in the horizontal direction.

The main body 39 includes, for example, a front portion 40 and a rear portion 41.
And the upper part 42 and the like. The front part 40 has a start button 43, a stop button 44, and a display unit 4
5, a transparent window 46, a hot water supply pipe cover 47, and a mounting portion 4
8 is fixed. The rear part 41 is fixed to the front part 40.

A recess 49 is formed on the front side of the upper part 42,
An opening 50 is formed on the rear side. A charging guide 51 is arranged between the concave portion 49 and the opening 7 of the container 1. The recess 49, the introduction guide 51, and the opening 7 constitute an introduction port 52. A movable inlet cover 53 is arranged to cover the inlet 52. An openable / closable tank cover 54 is arranged to cover the opening 50. With these parts, the tea liquor extraction device 55
Is configured.

Next, the operation of the tea brewing apparatus 55 will be described again with reference to FIGS. First, the user opens the tank cover 54 to supply water into the tank 10,
3 and the tea leaves 9 in the container 1 through the input port 52.
And the pot 56 is placed on the placing section 48.

When the user presses the start button 43, the heater 11 is energized to heat the water in the tank 10, and the temperature sensor keeps the temperature of the hot water 12 in the tank close to the boiling temperature. The hot water supply pump 14 is energized by the control unit, and the hot water 12 is supplied with hot water 28 into the container 1 via the hot water supply pipe 15. At this time, hot water supply valve 8a remains closed.

When the controller determines that the amount of hot water 28 is appropriate, the controller turns on the motor 26. As a result, the rotating body 20 rotates, and the stirring rod 25 rotates with a radius substantially equal to A. The rotation of the stirring rod 25 in the hot water 28 in the container 1 causes the tea leaves 29 to move (jump) by the forced convections 30 and 31. Due to this forced convection, the tea leaves 29 are sufficiently immersed in the hot water 28, the shrunken leaves are widely opened, and the extract component is effectively extracted. The result is a black tea liquor with excellent taste and aroma. In addition, the user can see the jumping state of the tea leaves 29 in the container 1 through the transparent window 46 and enjoy it.

For example, after a predetermined time from the start of energization of the motor 26, the control unit energizes the hot water supply valve 8a to open the valve. Then, the black tea is poured into the pot 55.
The tea leaves of the extracted black tea leaves 29 remain in the filter 6 provided at the lower part of the container 1, and the extracted black tea liquid accumulates in the tea discharge container 33 via the filter 6. Then, after a predetermined time has elapsed from the start of energization of hot water supply valve 8a, the control unit stops energization of hot water supply valve 8a.

As described above, the filter 6 is provided at the lower part of the container 1 and the liquid supply pipe 8 is provided at the side of the container 1 located above the filter 6. You can get a good tea liquor.

For example, the control unit turns on the cleaning pump 17 after a lapse of a predetermined time from the stop of turning on the hot water supply valve 8a. Then, the inside of the side portion 22 of the rotating body 20 receives the hot water 12 through the washing pipe 8, and the rotating body 20 rotates while the groove 23 is formed.
The hot water 12 is discharged in the circumferential direction via the. As a result, the inner surface of the container 1 is washed away by the discharged hot water 12, and the inner surface is cleaned.

Thereafter, the controller stops the power supply to the cleaning pump 17 and ends the operation. Also, if desired, the bottom part 5 is configured to be detachable in the horizontal direction, so that the user takes out the bottom part 5 after the user uses the tea liquid extraction device 55,
The tea residue accumulated in the filter 6 at the bottom 5 can be removed and cleaned. Further, after using the black tea extractor 55, the user can take out the tea drainage container 33, remove the extracted black tea liquid accumulated in the tea drainage container 33, and clean it.

[0026]

As described above, in the first aspect of the present invention, a convection means for forcibly convection the tea leaves in the hot water in the container is provided. Due to this forced convection, the tea leaves are sufficiently immersed in hot water, the shrunken leaves are widely opened, and the extract component is effectively extracted. The result is a black tea liquor with excellent taste and aroma.

In the first aspect of the present invention, the convection means is preferably constituted by a rotating body and a stirring rod located away from the axis of the rotating body. As described above, since the stirring rod rotates around the axis of the rotating body with a radius substantially equal to A, the movement (jumping) of the tea leaves due to forced convection occurs efficiently.

As described above, the hot water in the tank is dropped inside the side of the rotating body, and is discharged in the circumferential direction through the groove while rotating. As a result, the hot water discharged in the circumferential direction tends to fly out due to the centrifugal force, so that the inner surface of the container is washed off cleanly by the discharged hot water. Therefore, the inner surface of the container can be automatically cleaned, and the labor of the conventional manual operation can be omitted.

In the present invention, a filter is desirably provided at a lower portion of the container 1, and a liquid supply pipe is provided at a side portion of the container located above the filter. As a result, the extracted black tea liquor is discharged through the filter, and a fine supernatant black tea liquor can be obtained through the liquid supply pipe. Therefore, a black tea liquor having more excellent taste and aroma can be obtained.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a tea liquor extraction device according to an embodiment of the present invention.

FIG. 2 is a perspective view of the device.

FIG. 3 is a perspective view of a main part of the device.

[Explanation of symbols]

 1 container 10 tank 16 hot water supply means 27 convection means 29 black tea leaves

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-3-188810 (JP, A) JP-A-60-87738 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47J 31/00

Claims (1)

(57) [Claims] 1. A container into which tea leaves are charged, a tank for boiling hot water, a rotating body disposed above the inside of the container,
The inlet is connected to the tank and the outlet is above the rotating body
And a washing pipe arranged in the middle of the washing pipe
A washing pump, wherein the rotating body has a bottom, a side, a groove,
The side portion is formed in a substantially cylindrical shape, and the groove portion is
The cleaning pump is formed concavely outwardly of the side portion, and
When energized, the hot water in the tank is
Around the circumference through the groove while rotating
Configured to be released in a direction and into the interior surface of the container
Coffee liquid extracting apparatus characterized by the fact.