KR101562179B1 - Extraction system for dutch coffee with a cooler and sterilizer - Google Patents

Abstract

The present invention relates to a large capacity batch coffee extracting and refrigerating and sterilizing system comprising a plurality of casters provided on a lower surface, a door provided with an opening and closing handle and pivotally opened and closed at one end, a first cradle installed inside the chamber, A second cradle installed to be spaced apart from a lower portion of the cradle; a casing having a plurality of ventilation holes formed in a rear surface of the chamber; A cooler installed on a rear surface of the casing to supply and circulate air cooled through the vent hole into the chamber; A water purifier communicating with an outside water line and having a water purification valve installed at a lower end thereof; A plurality of Dutch coffee extractors spaced apart from the first cradle and each having a control valve at a lower end thereof; A plurality of coffee filling containers spaced apart from the second cradle and arranged at vertically spaced positions of the control valve of the Dutch coffee extractor; A plurality of ultraviolet sterilizing lamps installed in front of the chamber; And a controller for controlling the cooler, the water purifier, the control valve, and the ultraviolet sterilizing lamp. The plurality of Dutch coffee extractors are installed in the chamber in which the cooler is installed, It is possible to extract a large amount of good Dutch coffee and to prevent the propagation of microorganisms by the ultraviolet sterilizing device, thereby providing a long-term storage of Dutch coffee having good flavor.

Description

{Extraction system for dutch coffee with a cooler and sterilizer}

The present invention relates to a large capacity Dutch coffee extract refrigeration system. In particular, the present invention relates to a Dutch coffee extracting system in which a plurality of Dutch coffee extractors are installed in a chamber provided with a refrigerator and a sterilizer, and simultaneously a large amount of Dutch coffee can be extracted, stored, and sterilized while maintaining the flavor.

Dutch coffee is characterized by low caffeine and good flavor because it extracts coffee at low temperature or at room temperature for a long time.

Korean Registered Patent No. 1371904 (registered on March 3, 2014, entitled "Dutch Coffee Dripping Apparatus") comprises a holder having a length in the vertical direction as shown in FIG. 1; A rotation driving unit installed on a lower side of the cradle; A drip server positioned above the rotary drive unit and rotated by the rotary drive unit, the drip server receiving coffee to be extracted therein; A drip unit positioned above the drip server and rotated by a rotation operation of the rotation drive unit or the drip server and containing coffee powder therein; And a water drip tube installed at an upper side of the drip tray and having a water drip inside the water drip tube and dropping the water into the drip unit, wherein the lower end of the water drip tube has an eccentric And the plurality of water drip pipes are provided with a flow rate control valve for controlling the amount of water to be dropped, respectively.

In this conventional technique, since the water falling through the water drip tube of the water supply vessel is eccentric from the rotation center of the driper, when the drip server and the drier are rotated together by the rotation drive unit located at the lower portion of the mount, It is said that the effect of extracting coffee with more flavor and fragrance is more effective than extracting coffee because it extracts coffee while spreading uniformly over the dropper as the position of falling water changes. On the other hand, There was a problem.

As shown in FIG. 2 and FIG. 3, Korean Patent No. 1306268 (registered on March 3, 2013, entitled "Large Capacity Low Temperature Transmission Liquid Coffee Extractor and Liquid Coffee Extraction Method"), An extractor in which coffee liquid is extracted while chilled water is permeated for a long time; And an injector for supplying cold water into the extractor, wherein the injector includes an upper injector for supplying cold water into the extractor at an upper portion of the extractor, and a side injector for supplying cold water into the extractor at a side of the extractor, And the coffee liquid can be extracted even when the stored coffee powder is uniformly transmitted through the cold water.

In this conventional technique, chilled water is first fed into the extractor from the upper injector and the side injector to moisten the coffee powder stored in the extractor to blow coffee powder, and then, secondarily, from the upper injector, cold water is fed into the extractor from the upper portion of the extractor, Is able to extract the liquid coffee while passing through the coffee powder called from top to bottom and thus it is possible to extract the liquid coffee from the coffee powder stored in the large capacity extractor by the low temperature transmission method, And a large amount of coffee can be extracted, but there is a fundamental problem that it can not be stored or sterilized.

In addition to these conventional technologies, Korean Utility Model No. 2013-7346 (published on December 31, 2013, designation: Dutch coffee extracting apparatus for water drip) in which a plurality of Dutch coffee extractors are installed has been disclosed, There has been a problem that storage, sterilization, etc. can not be carried out as in the case of the problem.

An object of the present invention, which is created to solve the above problems, is to extract a large amount of Dutch coffee using a plurality of Dutch coffee extractors and to extract the coffee in a chamber having a cooler capable of maintaining a low temperature extraction atmosphere, Which is capable of storing a long-term Dutch coffee having a good quality. It is another object of the present invention to provide an ultraviolet sterilizing device inside the chamber, which is capable of preventing microbial propagation from occurring.

An object of the present invention is to provide a caster comprising a plurality of casters provided on a lower surface, a door provided with an opening / closing handle and pivotally opened and closed with reference to one end, a first cradle installed inside the chamber, A casing having a plurality of ventilation holes formed in a rear surface of the chamber; A cooler installed on a rear surface of the casing to supply and circulate air cooled through the vent hole into the chamber; A water purifier communicating with an outside water line and having a water purification valve installed at a lower end thereof; A plurality of Dutch coffee extractors spaced apart from the first cradle and each having a control valve at a lower end thereof; A plurality of coffee filling containers spaced apart from the second cradle and arranged at vertically spaced positions of the control valve of the Dutch coffee extractor; A plurality of ultraviolet sterilizing lamps installed in front of the chamber; And a control means for controlling the cooler, the water purifier, the control valve, and the ultraviolet sterilizing lamp, provided at an upper end of the door, by a large capacity Dutch coffee extracting and refrigerating and sterilizing system.

Preferably, the door of the present invention is characterized in that a glass-made nozzle is provided.

Preferably, the water control system further comprises a tap water control valve installed on the tap water inlet side of the water purifier connected to the tap water line of the present invention, and a water control valve interposed between the Dutch coffee extractor and the tap water valve, And the tap water control valve and the water control valve are controlled.

Preferably, the lower end of the coffee filling vessel of the present invention further comprises a load cell provided to prevent overfilling of the coffee extract, wherein the control means receives a real time weight value of the coffee filling vessel from the load cell .

Preferably, the lower end of the casing of the present invention further comprises a water receptacle provided detachably.

In the present invention as described above, a plurality of Dutch coffee extractors are installed in a chamber equipped with a cooler to extract a large amount of hot coffee having a good flavor, and a microbial propagation is cut off by an ultraviolet sterilizing device, It is possible to realize long-term storage.

1 is a perspective view showing a Dutch coffee dripping apparatus according to an embodiment of the prior art.
FIG. 2 and FIG. 3 are cross-sectional views showing a large capacity low-temperature-permeation liquid coffee extractor according to another embodiment of the prior art.
4 is a perspective view showing a large capacity Dutch coffee extracting refrigeration and disinfection system according to the present invention.
5 is a front view of Fig.
FIG. 6 is a schematic view showing the extraction process of the large capacity Dutch coffee extracting refrigeration sterilizing system of FIG. 4; FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

4 to 6, a large capacity Dutch coffee extract refrigeration and disinfection system 100 according to the present invention includes a casing 10, a cooler 20, a water purifier 30, a Dutch coffee extractor 40, 50, an ultraviolet sterilizing lamp 60, and a control means 70.

The casing 10 includes a plurality of casters 11 provided on a lower surface thereof, a water receiver 13 detachably attached to a lower end thereof, a door 15 provided with an opening / closing handle 18 and pivotally opened / A first cradle 17 provided inside the chamber CH and a second cradle 19 provided apart from the lower portion of the first cradle 17. [

The casing (10) has a plurality of ventilation holes (12) formed on the back surface of the chamber (CH). Further, the door 15 is provided with a window 14 made of glass.

The cooler 20 is installed on the rear surface of the casing 10 to supply and circulate the cooled air into the chamber CH. Here, the cooling air of the cooler 20 flows through the vent hole 12 formed in the back surface of the chamber CH, flows out, and circulates. The cooler 20 adjusts the temperature inside the chamber CH within a range of -5 to 20 占 폚.

The water purifier 30 communicates with an external water line (no number), and a water purification valve Vo is provided at a lower end thereof. Here, the reference symbol "Vi" is a tap water control valve provided on the tap water inflow side of the water purifier connected to the tap water line.

A plurality of Dutch coffee extractors (40) are spaced apart from the first cradle (17), and a control valve (45) is provided at a lower end thereof. Here, the Dutch coffee extractor 40 is in communication with the water purification valve Vo of the water purifier 30, and the water control valve Vw is provided between the Dutch coffee extractor 40 and the water purification valve Vo .

A plurality of coffee filling containers 50 are spaced apart from the second loading table 19 and each coffee filling container 50 is arranged at a vertically spaced position of the control valve 45 of the Dutch coffee extractor 40 . Thus, the coffee extract liquid dropped through the control valve 45 is charged into the coffee filling container 50. [ Here, a load cell 55 is provided at the lower end of the coffee filling container 50 to prevent the coffee extract solution from being overcharged.

The ultraviolet sterilizing lamps 60 are installed in the upper, lower, left, and right sides of the inside of the chamber CH. This ultraviolet sterilizing lamp 60 prevents the propagation of microorganisms in the chamber CH, while performing the function of mood lighting.

The control means 70 is provided at an upper outer side of the door 15 and includes a cooler 20, a water purifier 30, a control valve 45, a load cell 55, an ultraviolet sterilizing lamp 60, (Vi), the water purification valve (Vo) and the water control valve (Vw).

The operation of the large capacity Dutch coffee extracting and refrigeration system 100 having the above structure will be described as follows.

First, the large capacity Dutch coffee extract refrigeration and disinfection system 100 of the present invention is prepared in a state in which the cooler 20, the water purifier 30 and the ultraviolet germicidal lamp 60 are activated by the control means 70.

Then, after the user has filled the coffee extractor 40 with the coffee raw material (powder) and then mounted on the first cradle 17, the control means 70 is operated to start the coffee extraction. Here, the control means 70 opens the water purification valve Vo and supplies the purified water into each of the Dutch coffee extractors 40. At this time, the control means 70 adjusts the water control valve Vw to supply the optimum amount of purified water, and the optimal amount of purified water means the amount of purified water supplied when the extraction completion time is 12 to 16 hours.

The control valve 45 is all opened so that the coffee extract is freely dropped into the coffee filling container 50 and charged and detected by the load cell 55 in real time. Here, the coffee filling container 50 in which the buffering is detected by the load cell 55 blocks the purified water supply of the corresponding Dutch coffee extractor 40, and then cuts off the corresponding control valve 45.

Then, when all the extraction processes are completed, the control means 70 closes the tap water control valve Vi, the water purification valve Vo, the water control valve Vw and the control valve 45.

The control means 70 operates the cooler 20 to maintain the temperature inside the chamber CH at -5 to 20 DEG C and operates the ultraviolet sterilizing lamp 60 to control the microbial propagation inside the chamber CH do. Here, when the large capacity Dutch coffee extracting refrigeration and disinfection system 100 according to the present invention is operated, the cooler 20 and the ultraviolet germicidal lamp 60 are preferably operated in principle.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

10: Casing
11: Casters 12: Vents
13: water receiver 14:
15: Door
17, 19: Cradle
20: Cooler
30: Water purifier
40: Dutch coffee extractor
50: coffee filling vessel 55: load cell
60: ultraviolet sterilization lamp
70:
100: Large Capacity Dutch Coffee Extraction Refrigerated Sterilization System

Claims (5)

A first cradle installed inside the chamber; a second cradle installed apart from a lower portion of the first cradle; and a second cradle provided on the lower cradle, A casing having a plurality of ventilation holes formed in a rear surface of the chamber;
A cooler installed on a rear surface of the casing to supply and circulate air cooled through the vent hole into the chamber;
A water purifier communicating with an outside water line and having a water purification valve installed at a lower end thereof;
A plurality of Dutch coffee extractors spaced apart from the first cradle and each having a control valve at a lower end thereof;
A plurality of coffee filling containers spaced apart from the second cradle and arranged at vertically spaced positions of the control valve of the Dutch coffee extractor;
A plurality of ultraviolet sterilizing lamps installed in front of the chamber;
A controller for controlling the cooler, the water purifier, the control valve, and the ultraviolet sterilizing lamp,
The door is provided with a window made of glass,
Further comprising a water control valve provided on the water inflow side of the water purifier connected to the water line and a water control valve interposed between the Dutch coffee extractor and the water purification valve, Controlling the regulating valve,
Wherein a lower end of the coffee filling vessel further comprises a load cell provided to prevent overfilling of the coffee extract, wherein the control means receives a real time weight value of the coffee filling vessel from the load cell,
Further comprising a water receiver provided at a lower end of the casing so as to be detachable. delete delete delete delete

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