JP2589165B2 - Beverage supply device - Google Patents

Description

The present invention relates to a beverage brewing machine including a beverage brewing machine for obtaining a brewed beverage from a coffee powder material and a cooling water tank for cooling the beverage.

(B) Conventional technology Conventionally, as a beverage supply device provided with a beverage extraction machine and a cooling water tank, a beverage supply device disclosed in Japanese Utility Model Laid-Open No. 62-179689 is well known.

In the beverage supply device disclosed in this publication, two types of conduits are provided for sending the coffee extracted by the extraction filtration device to a cup mounted on the beverage supply unit,
One conduit communicates with the cup via the mixing vessel and the other conduit communicates with the cup via the cooling water bath.

Then, the two pipes are switched by a switching valve.
It allows you to choose between hot and cold coffee.

(C) Problems to be Solved by the Invention Generally, in a beverage supply device equipped with a beverage brewing machine, in order to deliver the powdered coffee material from the canister to the beverage brewing machine, the canister is arranged above the beverage brewing machine, Delivery is performed by dropping coffee powder raw materials.

For this reason, it is common that the canister is arranged above the beverage supply device. For example, if such a beverage supply device is arranged in a vending machine, the beverage supply device is arranged above the vending machine. Because the vending machine has heat sources such as drying heaters, fluorescent lamps, and electrical boxes, the upper part of the vending machine usually has a higher temperature than the outside air temperature, and therefore, the coffee powder raw material contained in the canister has a high temperature. Will be saved below.

However, the vending machine with the extraction filtration device disclosed in the above-mentioned publication uses a cooling water tank to cool the extracted coffee, but prevents the coffee in the canister from being stored at a high temperature. Therefore, even if the storage temperature of the coffee powder raw material is higher than 20 ° C. or less, there is a problem that the canister cannot be cooled and the quality of the coffee is deteriorated.

In order to solve the above-mentioned problems, the present invention surrounds a canister with an insulating box, and cools the inside of the insulating box with a cooling water tank used for cooling beverages as a heat source, so that coffee is stored at a high temperature. It is intended to provide a beverage supply device capable of preventing the quality from being reduced by the above.

(D) Means for Solving the Problems The first invention has been made to solve the above problems, and is a beverage extraction method in which a mixture of a powdered coffee material and hot water is filtered through a filter to obtain an extracted beverage. Machine, a cooling water tank that exchanges heat with a cooling coil piped in a beverage supply pipe that guides the beverage stored in the beverage storage section to the beverage supply section, and cools the water stored in the cooling water tank. In a beverage supply device provided with a cooling unit, a heat insulating box formed of a heat insulating material surrounding a canister for accommodating the powdered coffee material and shielding the air from outside air, the cooling water tank having a meandering shape on the inner wall of the heat insulating box A cooling water circulation pipe arranged to circulate the cold water stored in the cooling water tank between the heat insulation box and a pump for pumping the water stored in the cooling water tank to the cooling circulation pipe. Having Solves the above problem.

Further, the second invention is also made to solve the above problems, and a beverage brewing machine that obtains an brewed beverage by filtering a mixture of coffee powder raw material and hot water through a filter, and a beverage brewer stored in a beverage storage unit. Supply device, comprising: a cooling water tank that exchanges heat with a cooling coil that is piped in a beverage supply pipe that guides the heated beverage to a beverage supply unit; and a cooling unit that cools water stored in the cooling water tank. A heat insulating box formed of a heat insulating material surrounding a canister for accommodating the powdered coffee material and shielding the air from outside air, a part of which is attached by being immersed in cold water stored in the cooling water tank, and using the cold water as a heat absorbing source. A cool air sending means including a heat exchanger for performing exchange and a blower for sending cool air through the heat exchanger, and a blow duct for guiding cool air sent from the cool air sending means into the heat insulating box. To do Ri is intended to solve the above problems.

(E) Function According to the beverage supply apparatus of the first invention, piping is provided so that cold water circulates between the cooling water tank and the inside of the heat insulating box which surrounds the canister containing the coffee powder raw material and shuts off the outside air. The inside of the heat insulation box is cooled by pumping the cold water stored in the cooling water tank to the cold water circulation pipe that is arranged in a meandering manner on the inner wall of the heat insulation box, thereby cooling the coffee powder material stored in the canister under high temperature. To prevent it from being saved.

Further, according to the beverage supply device of the second invention, the blower blows the air through the heat exchanger which is attached by immersing a part in the cold water stored in the cooling water tank and performs heat exchange using the cold water as a heat absorbing source. The cool air sent from the cool air sending means is sent through an air duct into an insulated box surrounding the canister containing the powdered coffee material and shielding the canister from the outside, and the inside of the insulated box is cooled. Prevents stored coffee powder raw materials from being stored at high temperatures.

(F) Embodiments Embodiments of the first invention and the second invention will be described with reference to the drawings. FIG. 1 is a schematic diagram for explaining a main part configuration of a beverage supply device as an embodiment of the first invention. FIG. 2 is a longitudinal sectional view showing the vicinity of a canister used in the apparatus, FIG. 3 is a schematic view for explaining a main configuration of a beverage supply apparatus as an embodiment of the second invention, and FIG. FIG. 3 is a vertical cross-sectional view near a canister used in the first embodiment.

First, the reference numerals and the configuration of a beverage supply device as an embodiment of the first invention shown in FIGS. 1 and 2 will be described.
Is a canister containing coffee grounds,
A plurality of units are arranged side by side on the mounting table (2).

Reference numeral (3) denotes a powder material feed port provided at the bottom of the front surface of the canister (1), which is driven by an auger (not shown) rotated by driving a material discharge motor (4) through a material chute (5). A fixed amount of coffee powder raw material is sent to the extractor (6).

In addition, the beverage extractor (6) mixes a mixed solution of the coffee powder raw material that is quantitatively delivered from the powder raw material outlet (3) of the canister (1) and hot water that is quantitatively supplied from a hot water supply pipe (7). It is filtered by a filter (8) to obtain coffee as an extracted beverage, and the extracted coffee is sent to a beverage supply unit (not shown) through a beverage nozzle (9).

Reference numeral (10) denotes a heat insulating box formed of a heat insulating material surrounding the canister (1) and shielding the canister from the outside air. The heat insulating box includes a door (11) that is opened for replenishing raw materials to the canister (1). .

(12) is a cooling water tank, which stores therein water tank water (13), and the water tank water (13) exchanges heat with the evaporator (15) guided from the cooling unit (14) and cools to about 0 ° C. Have been.

The cooling unit (14) includes a compressor (16), a condenser (17), and a condenser fan motor (18).

(19) is a cold water circulation pipe as a cold water circulation pipe arranged to circulate cold water between the inside of the heat insulation box (10) and the cooling water tank (12). In the figure, piping is formed in a meandering shape along the inner wall of the heat insulation box (10), and a cold water feed section (19a) and a cold water return section (19b) are provided outside the heat insulation box (10).

A pump (20) is provided at an end of the cold water circulation pipe (19) on the side of the cold water feed section (19a), and is driven by a pump motor (21) to feed the cold water circulation pipe (19). The tank water (13) stored in the cooling water tank (12) is pumped to the part (19a) side, and after passing through the heat insulation box (10), the water is returned through the cold water return part (19b). Return to the cooling water tank (12).

A cooling coil (22) is disposed in the cooling water tank (12), cools a beverage guided from a beverage delivery line (23) communicating with a beverage storage unit (not shown), and cools a beverage supply unit (FIG. (Not shown) to a beverage supply line (24).

The above is the description of the reference numerals and the configuration of the beverage supply device as an embodiment of the first invention shown in FIGS. 1 and 2. In the case of supplying coffee with such a configuration, the material supply motor (4) is used. When driven, a fixed amount of the coffee powder raw material contained in the canister (1) is sent from the powder raw material discharge port (3) to the beverage extractor (6) via the raw material chute (5), and a hot water supply pipe (7). To the beverage extractor (6) from a fixed amount, and the extracted coffee obtained by filtering the mixed liquid of the coffee powder and the hot water through the filter (8) is supplied to the beverage extractor (9) through the beverage nozzle (9). It is sent to a supply unit (not shown).

In the case of supplying a cold beverage, the beverage delivered from a beverage storage unit (not shown) via a beverage delivery line (23) is cooled by a cooling coil (22) arranged in a cooling water tank (12). Then, it is delivered to a beverage supply unit (not shown) via the beverage supply line (24).

On the other hand, at this time, the pump motor (21) of the pump (20) is driven, and the water tank water (13) in the cooling water tank (12) is pressure-fed to the cold water feed section (19a) side of the cold water circulation pipe (19). The water tank water (13) passes through the cold water circulation pipe (19) arranged in a meandering manner in the heat insulation box (10), and the cold water circulation pipe (19)
Is returned to the cooling water tank (12) from the cold water return part (19b) side. Since the aquarium water (13) is cooled by the operation of the cooling unit (14), the adiabatic box (10) is cooled by the passage of the aquarium water (13), whereby the canister (1) is cooled. It prevents the coffee powder raw material from being stored under high temperature and prevents the quality of the coffee powder raw material from deteriorating.

The above is the description of the beverage supply device as the embodiment of the first invention.

Next, the reference numerals and structures of the beverage supply device as an embodiment of the second invention shown in FIGS. 3 and 4 will be described. First, the same components as those in FIGS. 1 and 2 in FIGS. 3 and 4 will be described. Symbols indicate the same or equivalent.

3 and 4, (25) is a cooling water tank (12)
The heat exchanger is a part of the water exchanger that is partially immersed in water tank water (13) cooled by the cooling unit (14) and cooled by performing heat exchange with the water tank water.

(26) is a blower arranged to face the heat exchanger (25) and blows air toward the heat exchanger (25).

(27) is a cool air sending device as an air sending means,
It is formed by surrounding the heat exchanger (25) and the blower (26) with a cover member (28), so that cool air can be sent out from the upper opening (29).

An air duct (30) guides the cool air sent from the upper opening (29) of the cool air sending device (27) to an air outlet (31) provided at the upper part of the heat insulating box (10).

The above is the description of the reference numerals and the configuration of the second invention shown in FIGS. 3 and 4. In such a configuration, the coffee supply operation using the coffee beverage extractor (6) and the cooling coil (2
The supply of the cooled beverage using 2) performs the same operation as that of the beverage supply device shown in FIGS. 1 and 2 described above.

However, the cooling operation of the canister (1) is different, and the blower (26) exchanges heat with the water tank water (13) stored in the cooling water tank (12) cooled by the operation of the cooling unit (14) to be cooled. Is blown toward the heat exchanger (25), and the air blown by the blower (26) is blown to the heat exchanger (25) to be cooled. Guided to opening (29).

The cool air cooled through the heat exchanger (25) as described above passes through the air duct (30) and blows through the air inlet (31) of the heat insulation box (10).
, Whereby the inside of the heat insulating box (10) is cooled. Therefore, the coffee powder raw material in the canister (1) is stored in a state of being kept cool, and it is possible to prevent quality deterioration due to the coffee powder raw material being stored at a high temperature.

The above is the description of the beverage supply device as the embodiment of the second invention.

In the beverage supply device according to the first and second embodiments of the present invention, the operation of the pump (20) and the blower (26) is performed by providing a temperature sensor in the heat insulation box (10). 10) If the temperature sensor detects that the inside has become a predetermined temperature or more, it may be controlled to operate.

(G) Effects of the Invention According to the beverage supply device of the first invention, a cooling water tank is provided in a cold water circulation pipe that is arranged in a meandering manner in an insulated box surrounding a canister containing a coffee powder material and shielding the outside air. The inside of the heat insulation box is cooled by pumping and supplying and circulating cold water stored in the heat insulation box, so the heat insulation inside the heat insulation box can be efficiently cooled and kept with a very simple configuration, and the coffee stored in the canister can be cooled. The deterioration of quality can be prevented by storing the powder raw material at a high temperature.

On the other hand, according to the beverage supply device of the second invention, a part is immersed and attached to the cold water stored in the cooling water tank, and the heat exchanger performs heat exchange using the cold water as a heat absorbing source and the heat exchanger. A cool air sent by a cool air sending means having a blower for sending cool air is sent to the inside of the heat insulating box which surrounds the canister containing the powdered coffee material and is shielded from the outside by a blow duct for guiding the inside of the heat insulating box. Therefore, it is possible to cool the inside of the heat insulating box with a very simple configuration without attaching a complicated cooling water pipe, and thereby the coffee powder raw material stored in the canister is stored at a high temperature. Quality can be prevented.

[Brief description of the drawings]

FIG. 1 is a schematic view of a beverage supply apparatus as an embodiment of the first invention, FIG. 2 is a longitudinal sectional view near a canister used in the apparatus, and FIG. 3 is a beverage supply as an embodiment of the second invention. FIG. 4 is a schematic view of the apparatus, and FIG. 4 is a longitudinal sectional view near a canister used in the apparatus. (1) canister, (6) beverage extractor,
(8)… Filter, (10)… Insulated box, (12)…
Cooling water tank, (13) ... water tank water, (14) ... cooling unit, (19) ... cold water circulation pipe, (20) ... pump,
(22) ... cooling coil, (25) ... heat exchanger, (26) ...
… Blower, (27)… Cool air blower, (30)… Blower duct.

Claims (2)

(57) [Claims] 1. A beverage extractor for filtering a mixture of a coffee powder raw material and hot water with a filter to obtain an extracted beverage, and a beverage supply line for guiding a beverage stored in a beverage storage to a beverage supply. In a beverage supply device including a cooling water tank for performing heat exchange with a cooling coil provided in a cooling water tank, and a cooling unit for cooling water stored in the cooling water tank, a canister accommodating a coffee powder raw material is surrounded by a canister. A heat insulating box formed of a heat insulating material that shields from the heat insulating pipe, and a pipe formed so as to circulate the cold water stored in the cooling water tank between the cooling water tank and the heat insulating box while forming a meandering shape on the inner wall of the heat insulating box. A beverage supply device, comprising: a cooled water circulation line; and a pump for pumping water stored in the cooling water tank to the cooling water circulation line. 2. A beverage extractor for filtering a mixture of a coffee powder raw material and hot water through a filter to obtain an extracted beverage, and a beverage supply line for guiding the beverage stored in the beverage storage to the beverage supply. In a beverage supply device including a cooling water tank for performing heat exchange with a cooling coil provided in a cooling water tank, and a cooling unit for cooling water stored in the cooling water tank, a canister accommodating a coffee powder raw material is surrounded by a canister. A heat insulating box formed of a heat insulating material that shields from the heat exchanger, and a heat exchanger and a heat exchanger that perform heat exchange using the cold water as a heat absorbing source, a part of which is attached by being immersed in cold water stored in the cooling water tank. A beverage supply device, comprising: a cool air sending means having a blower for sending cool air; and a blow duct for guiding cool air sent from the cool air sending means into the heat insulating box.