KR102490282B1 - Dutch coffee extractor - Google Patents

Abstract

The present invention relates to a dutch coffee extractor comprising: a base which includes an inner space unit; a water supplying unit which is arranged in an upper side in the space unit of the base; a filtering unit which is arranged in a lower side of an outlet of the water supplying unit in the space unit of the base, and contains coffee powder inside; and a drip container which is arranged on a bottom of the space unit of the base, and stores an extract filtered by the filtering unit. The present invention further comprises: a first relay unit or a second relay unit which is arranged between the water supplying unit and the filtering unit, and automatically discharges filled water to the filtering unit at once when the water supplied from the water supplying unit is filled to a certain amount. The present invention increases extracting efficiency of the dutch coffee extract, allows a user to visually check from a step of discharging the supplied water to a step of dripping coffee at once during extraction, and allows the user to feel interest, fun, and a sense of mystery.

Description

Dutch coffee extractor with improved water supply structure to reduce concentration deviation of Dutch coffee {DUTCH COFFEE EXTRACTOR}

The present invention relates to a Dutch coffee extractor with an improved water supply structure for reducing the concentration deviation of the Dutch coffee so that the water supplied during Dutch coffee extraction pours and wets the entire coffee powder in the filtration unit.

Coffee is generally drunk by adding coffee powder to hot water, or coffee beans are ground into powder after roasting and then dipped in hot water (so-called 'drip'), but Dutch coffee does not use hot water when dripping. It is a coffee prepared using relatively cold water without hot water, and it is not only easy to drink because it is not hot, but also has a different taste and aroma from ordinary coffee, so the demand for it is increasing recently.

In addition, the extracted extract is matured over time and has a more unique taste and aroma, and since it is extracted using room temperature water, the caffeine content is relatively less and deeper than drip coffee or espresso coffee extracted from high temperature water. It has a characteristic mild taste.

As a technique for extracting such Dutch coffee,

Republic of Korea Utility Model Registration No. 20-0478513 (2015.10.07. Registration, hereinafter referred to as 'Document 1') 『Dutch coffee extraction device』 is proposed,

Document 1 stores water inside and has a water tank equipped with a discharge unit for discharging the stored water at the lower part, and is disposed below the water tank to receive and temporarily store water discharged from the water tank, and to store the stored water at the lower part. A water supply container equipped with a control valve for controlling the water discharge speed as well as discharging it downward, disposed below the water supply container, filled with coffee powder, and supplying water discharged from the water supply container. The present invention relates to a Dutch coffee extracting device capable of maintaining a constant water discharge rate by maintaining a constant water level in a water supply container by including a drip tank for forming and discharging an undiluted coffee solution.

As another technology, Korean Patent Registration No. 10-1661489 (Registration on September 26, 2016, hereinafter referred to as 'Document 2') 『Dutch Coffee Extraction Device』 is proposed,

Document 2 is a container body of a circular upper and lower perforated; A water supply surface located on the top of the container body and inclined downward from the center toward the side surface so that the water supplied through the nozzle is sprayed into the container body, and formed inclined upward toward the side surface at the end of the water supply surface A water flow blocking surface, a plurality of circular water passage holes formed while penetrating the upper and lower surfaces of the water supply surface, and the upper and lower surfaces of points spaced apart at regular intervals from the center of the water supply surface in the outer circumferential direction. Distributing means including a center drop induction means protruding in a ring shape to prevent the supplied water from flowing along the wall surface of the filter container on the surface; an upper stopper of the filtration vessel having a water supply unit for receiving water from the water tank and formed in a shape covering an upper portion of the distribution unit; By including; the upper part is inserted into the inner surface of the lower part of the container body, and the lower part is made of a funnel shape.

A technique for extracting Dutch coffee that allows the supplied water to be evenly distributed inside the filter container to provide constant concentration of Dutch coffee to consumers, and to collect the aroma of Dutch coffee so that it does not volatilize so that the rich aroma of Dutch coffee can be felt. to be.

Document 1. Republic of Korea Utility Model Registration No. 20-0478513 (2015.10.07. Registration) Document 2. Korean Patent Registration No. 10-1661489 (Registration on September 26, 2016)

The present invention relates to a Dutch coffee extractor that allows water to be supplied to all the coffee powder of a filtering unit at once during Dutch coffee extraction to increase extraction efficiency and to give interest and fun to viewers.

Furthermore, the present invention provides a Dutch coffee extractor with an improved water supply structure for reducing the concentration deviation of Dutch coffee so that the water supply can be automatically blocked or opened according to the concentration of the extract so that an extract of a certain concentration can always be obtained. It has a purpose.

In order to solve the above problems, the Dutch coffee extractor with improved water supply structure for reducing the concentration deviation of the Dutch coffee according to the present invention,

a base having an inner space;

A water supply unit disposed on the upper side of the space portion of the base;

a filtration unit disposed below the outlet of the water supply unit in the space of the base and filled with coffee powder therein; and

a drip container disposed at the bottom of the space of the base and storing the extracted liquid filtered by the filtering unit;

made up of

It is disposed between the water supply unit and the filtering unit and further comprises a first relaying means or a second relaying means for automatically discharging water to the filtering unit at once when the water supplied from the water supplying unit is filled to a certain amount. do.

The Dutch coffee extractor with improved water supply structure for reducing the concentration deviation of the Dutch coffee according to the present invention,

It has the biggest effect of increasing the extraction efficiency of the Dutch coffee extract and allowing the viewer to feel the mystery as well as interest and fun by visually checking the process of water being supplied at once during extraction to dripping.

1 is a three-dimensional configuration diagram showing a base in a Dutch coffee extractor according to the present invention;
2 is an exploded front configuration diagram showing a Dutch coffee extractor according to the present invention;
Figure 3 is a front configuration view of the coupling of Figure 2;
4 and 5 are configuration diagrams for showing a first relaying means according to a first embodiment;
6 and 7 are configuration diagrams for showing a second relay means according to the second embodiment;
8 and 9 are configuration diagrams for showing the alignment means.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, so various equivalents that can replace them at the time of this application. It should be understood that there may be waters and variations.

Referring to FIG. 1, the bottom plate side of the base is referred to as the lower or lower direction, and the top plate side is referred to as the upper or upper direction.

As shown in FIGS. 1 to 9, the Dutch coffee extractor with improved water supply structure for reducing the concentration deviation of the Dutch coffee according to the present invention,

It consists largely of a base 10, a water supply unit 20, a filtering unit 30, a drip container 40, and a relay unit.

Looking at each component:

The base 10 is

As shown in Figures 1 and 2,

Square bottom plate (12),

Four posts 13 erected at the four corners of the bottom plate 12,

A holding plate 14 connected to each of the posts 13 and supporting the filtering part 30, and

A top plate 15 connected to the top of each post 13 and supporting the water supply unit 20

made including

At this time, the base 10 is formed with an inner space portion 11 surrounded by the respective posts 13 .

In addition, the bottom plate 12, each post 13, the holding plate 14, and the top plate 15 constituting the base 10 are made of a light-transmitting material, which is the space portion 11 The water supply unit 20, the filter unit 30, the drip container 40, the relay unit, etc. disposed in the water supply unit 20, the drip container 40, and the relay unit are easily checked with the naked eye, so that the process of preparing the Dutch coffee can be easily confirmed.

And, as shown in FIGS. 1 and 2 , a recess 121 having a recessed shape is further formed in the center region of the upper surface of the bottom plate 12 , and the recess 121 is the drip container 40 ) helps to settle down stably.

The water supply unit 20 is

As shown in Figures 2 and 3,

It is disposed on the upper side in the space part 11 of the base 10 to supply water to the relay means,

It is made of a container structure in which the inlet is built toward the bottom and water is stored therein, and it is preferable to be made of a light-transmitting material so that the remaining amount of water inside can be checked.

The filtering unit 30 is

As shown in Figures 2 and 3,

To be disposed on the lower side of the water outlet of the water supply unit 20 in the space portion 11 of the base 10,

Filter paper 31 inserted into the holding hole 141 formed in the holding plate 14 of the base 10 and filled with coffee powder therein, and

A cylindrical guide 32 erected to be seated in the area around the holding hole 141 in a form surrounding the filter paper 31

made including

At this time, the guide 32 has a hollow cylindrical structure, in particular, made of a light-transmitting material like the base 10, so that the filter paper 31 and the extract filtered by it can be easily checked with the naked eye from the outside it is desirable

In addition, the guide 32 may be a straight cylindrical shape vertically, or may have a structure having an internal space with a wide upper part and a narrow upper part and lower part.

Further, an annular seating groove 142 concave downward may be further formed in an area around the holding hole 141 of the holding plate 14, and the guide 32 may be formed in the seating groove 142. As the lower circumference of ) is seated, positioning for the guide 32 is easy.

The drip container 40 is

As shown in Figures 2 and 3,

It is disposed at the bottom of the space part 11 of the base 10 and is for storing the extract filtered by the filtering part 30,

The upper space is wide and has an entrance that gradually becomes narrower as it goes down, and is connected to the storage space 41 formed on the lower side.

made including

At this time, it is preferable that the drip container 40 is made of a light-transmitting material like the base 10 so that the process of storing the extract extracted from the filtering unit 30 can be easily checked with the naked eye. As a result, it is most preferable that the drip container 40 is a glass container having excellent heat resistance and a translucent material.

On the other hand, in the process of water falling on the filter paper 31 of the filtering part 30, the water does not fall all over the coffee powder and falls intensively only on a part of the filter paper 31, so that only the part where water touches is filtered and extracted. However, there is a problem in that Dutch coffee is not properly extracted at a constant concentration. In order to solve this problem, the present invention has provided a relay means.

The relay means is disposed between the water supply unit 20 and the filtering unit 30, and when the water supplied from the water supply unit 20 is filled up to a certain amount, the filled water is automatically discharged toward the filtering unit 30 at once. guide

First of all, the relay means can be largely composed of the first and second embodiments. Hereinafter, the reference numeral for the first relay means according to the first embodiment is '50A' and the second relay means according to the second embodiment. The reference numeral for is divided into '50B' and used.

The first relaying means (50A) is

As shown in Figures 4 and 5,

A first relay container 51 having an upwardly opened inner accommodating portion 511;

A pillar part 52 erected on the bottom of the accommodating part 511 of the first relay container 51, and

After passing through the lower end of the pillar part 52 to be in communication with the receiving part 511, the ?? character passing through the inside of the pillar part 52 and passing through the lower surface of the first relay container 51 Relay line of shape (53)

made including

Eventually, the first relaying means 50A having the above structure is made of a so-called Pythagorean cup structure using the principle of a siphon. The principle of the siphon described above is that when a tube filled with liquid is put into the water in a water tank, if the end of the tube is lower than the water level, the water can flow out as if sucking up even if it passes through a position higher than the starting point in the middle. to be.

Therefore, when water is filled in the accommodating part 511 of the first relay container 51, when the water level of the accommodating part 511 is higher than the highest water level of the relay line 53, the water filled in the accommodating part 511 Through the relay line 53, water is automatically discharged toward the filtering unit 30 all at once.

The second relaying means (50B) is

As shown in Figures 6 and 7,

A second relay container 55 having an inner accommodating portion 551 that is opened upward, and the interior of the accommodating portion 551 is formed asymmetrically forward and backward, and

A shaft 56 inserted in a form crossing the center of the accommodating part 551 of the second relay container 55 and mounted on the base 10

made including

At this time, the space of the accommodating part 551 of the second relay container 55 is asymmetrical in front and back. For example, it can be implemented in a protruding structure so that the rear space is less filled with water than the front space of the accommodating part 551, or The center of gravity may be moved by embedding or hanging a separate weight material in the rear space of the accommodating part 551 so that the center of gravity is changed back and forth.

The shaft 56 is connected to both ends thereof and is fixed by a rod 561 mounted on the post 13 of the base 10 .

Therefore, when water is filled in the accommodating part 551 of the second relay container 55, the center of gravity moves from the rear to the front at the moment, and the water filled in the accommodating part 551 is automatically moved toward the filtering part 30 at once. gets out The water poured at once in this way is evenly wetted throughout the coffee powder filled in the filter paper 31.

Meanwhile, the Dutch coffee extractor according to the present invention further includes an automatic water supply control unit 60.

The water supply automatic control means 60

As shown in Figure 3,

A sensor 61 for measuring the concentration of the extract stored in the drip container 40;

An automatic opening/closing valve 62 provided at the outlet of the water supply unit 20, and

A controller 63 that receives the sensing value from the sensor 61 and controls the automatic opening/closing valve 62 according to a preset value

made including

In the case of Dutch coffee, since the concentration of the extract is about 3 to 4%, in the controller 63, when the concentration value of the extract sensed by the sensor 61 is out of 3 to 4%, the automatic opening/closing valve 62 electrically connected ), it is possible to automatically block the water outlet of the water supply unit 20.

In addition, the automatic opening/closing valve 62 may be made of a conventional solenoid valve structure in which the flange rises when electricity is applied, the valve is opened, and when electricity is cut off, the valve is automatically closed by the weight of the flange.

Meanwhile, the Dutch coffee extractor according to the present invention further includes an alignment means 70.

The alignment means 70 is

As shown in Figures 8 and 9,

For stably fixing the water supply unit 20 inserted into the hole formed in the central region of the top plate 15,

A support 71 connected to and erected at the end of the top plate 15 of the base 10,

A push head 72 spaced apart from the upper side of the water supply unit 20, and

A driving unit 73 that moves the push head 72 up and down and is mounted on the support body 71

made including

At this time, the driving unit 73 has a built-in piston connected to the push head 72 and has a pneumatic cylinder structure that moves the piston up and down by selectively supplying air.

As a result, when the push head 72 is lowered by the drive unit 73, the upper end of the water supply unit 20 is pressed and fixed, thereby stably increasing the water supply unit 20 regardless of the internal water capacity of the water supply unit 20. can be fixed.

In addition, when the water supply unit 20 is pressurized and fixed by the push head 72, watertightness between the water outlet of the water supply unit 20 and the automatic opening/closing valve 62 can be increased, so that water leakage can be prevented.

In the above description of the present invention, the "dutch coffee extractor with improved water supply structure for reducing the concentration deviation of Dutch coffee" having a specific shape and structure has been described with reference to the accompanying drawings, but the present invention is subject to various modifications by those skilled in the art. And changes are possible, and these modifications and changes should be construed as belonging to the protection scope of the present invention.

10: base
11: space part
12: bottom plate
121: recess
13: Post
14: holding plate
141: holding hole
142: seating groove
15: top plate
20: water supply unit
30: filtering unit
31: filter paper
32: Guide
40: drip container
41: storage space
50A: first relay means
51: first relay container
511: receiving unit
52: column part
53: relay line
50B: second relay means
55: second relay container
551: receiving unit
56: shaft
561: load
60: automatic water supply control means
61: sensor
62: automatic shut-off valve
63: Controller
70: alignment means
71: support
72: push head
73: driving unit

Claims (5)

a base 10 having an inner space 11;
A water supply unit 20 disposed on the upper side of the space unit 11 of the base 10;
a filtration unit 30 disposed at a lower side of the outlet of the water supply unit 20 in the space unit 11 of the base 10 and filled with coffee powder therein; and
a drip container 40 disposed at the bottom of the space 11 of the base 10 and storing the extract filtered by the filtration unit 30;
made up of
A first relaying means disposed between the water supply unit 20 and the filtering unit 30 and automatically dispensing the filled water toward the filtering unit 30 at once when the water supplied from the water supply unit 20 is filled up to a certain amount. (50A) or further comprising a second relay means (50B),
The first relaying means (50A) is
A first relay container 51 having an internal accommodating portion 511 opened upward;
A pillar part 52 erected on the bottom of the accommodating part 511 of the first relay container 51,
After passing through the lower end of the pillar part 52 in communication with the receiving part 511, passing through the inside of the pillar part 52 and passing through to the lower surface of the first relay container 51,

Ruler-shaped relay line (53)
When the water level in the accommodation part 511 is higher than the highest water level of the relay line 53 when the water is filled in the accommodation part 511 of the first relay container 51, the water level in the accommodation part 511 The filled water is automatically discharged to the filtering part 30 side at once through the relay line 53,
The second relaying means (50B) is
A second relay container (55) having an upwardly opened inner accommodating portion (551) in which the interior of the accommodating portion (551) is asymmetrically formed forward and backward;
A shaft 56 inserted in a form crossing the center of the accommodating part 551 of the second relay container 55 and mounted on the base 10
When the receiving part 551 of the second relay container 55 is filled with water, the center of gravity moves from the rear to the front at the moment, so that the water filled in the receiving part 551 moves toward the filtering part 30. It is automatically ejected at once,
The sensor 61 for measuring the concentration of the extract liquid stored in the drip container 40, the automatic opening/closing valve 62 provided at the water outlet of the water supply unit 20, and the sensing value are received from the sensor 61 Further comprising an automatic water supply control means 60 consisting of a controller 63 that controls the automatic opening and closing valve 62 according to a preset value,
The base 10 is connected to a bottom plate 12, four posts 13 erected at four corners of the bottom plate 12, and each post 13, and the filtering part 30 It consists of a holding plate 14 for supporting and a top plate 15 connected to the upper end of each post 13 and supporting the water supply unit 20,
The bottom plate 12, each post 13, the holding plate 14, and the top plate 15 constituting the base 10 are made of a light-transmitting material,
A support 71 connected to and erected at the end of the top plate 15 of the base 10, a push head 72 disposed spaced apart on the upper side of the water supply unit 20, and the push head 72 The Dutch coffee extractor with improved water supply structure for reducing the concentration deviation of the Dutch coffee, characterized in that it further comprises an aligning means (70) consisting of a driving unit (73) mounted on the support (71) to move up and down. delete delete delete delete

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