JP3570065B2 - Beverage vending machine - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a beverage vending machine that mixes a beverage material and hot water into a beverage and sells the beverage.
[0002]
[Prior art]
3A and 3B show a conventional hot water heating apparatus, wherein FIG. 3A is a front view and FIG. 3B is a side view. In FIG. 3, reference numeral 2 denotes a bath of the hot water heating device 1, 3 denotes a hot water inlet, 4 denotes a hot water outlet, 5 denotes a rib for changing the flow direction of the hot water, and 6 denotes a hot water path in the bath 2. In FIG. 3, when a sales command is issued in a beverage vending machine to which the hot water heating device 1 is applied, the hot water heated in the preceding stage reaches the hot water inlet 3 of the hot water heating device 1 through a pipe, and from there. It flows into the tank 2. Since the hot water inlet 3 is disposed on one side wall of the tank 2, the hot water flowing from the hot water inlet 3 flows along the side wall on the side of the hot water inlet 3, and the hot water provided at substantially the center of the side wall. The flow of the fluid flows along the rib 5, which changes the direction of flow, toward the opposite side wall, and flows along the opposite side wall to flow out of the molten metal outlet 4. The path 6 of the hot water in the tank 2 is as shown by the dashed line in the figure.
[0003]
Although not shown, a surface heater is provided on the outer surface of the side wall of the tank 2 to heat the side wall of the tank 2, heat the hot water by the heat transfer, and send out the hot water from the outlet.
[0004]
[Problems to be solved by the invention]
By the way, in the conventional configuration, the flow of the hot water in the bath of the hot water heating device first flows along the side wall on the hot water inlet side and flows along the opposite side wall in the middle of the side wall, and flows out. The left and right side walls thus formed are not effectively used as heat transfer surfaces.
For this purpose, for example, when hot water heated by the hot water heating device is supplied to a coffee extractor called a brewer to prepare regular coffee, when the regular coffee discharged from the coffee extractor is poured into a cup, the target temperature (70) is obtained. ° C).
[0005]
The present invention has been made in order to solve the above-mentioned problems, and an object thereof is to increase the temperature-raising ability of the hot water heating device and to increase the target temperature of the beverage without changing the capacity of the heater of the hot water heating device. It is to provide a drink vending machine which can be secured.
[0006]
[Means for Solving the Problems]
According to the invention as set forth in claim 1, in a beverage vending machine, a beverage material and hot water supplied by being heated and supplied by a hot water heating device are heated and mixed in a hot water tank, and the hot water is supplied to the beverage vending machine. The apparatus has a bottom at left and right side walls parallel to each other, and a hot water inlet at substantially the center of a side wall formed by a curved surface bulging outside the tank provided with front and rear side walls formed by a curved surface bulging outward at the front. An outlet is provided at the bottom opposite to the hot water inlet, and a weir is provided so that hot water flowing into the tank from the hot water inlet flows along the inner surfaces of the left and right parallel side walls. Is a beverage vending machine provided with a heater for heating from outside.
[0007]
With this configuration, the hot water hits the weir and separates to the left and right and flows along both side walls, so that the heat transfer area increases and the heating capacity can be increased accordingly.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a beverage vending machine to which the present invention is applied, and FIG. 2 is a configuration diagram of a main part of an embodiment of the present invention. In FIGS. 1 and 2, members denoted by the same reference numerals as those in the conventional example have approximately the same functions, and therefore description thereof will be omitted. In FIG. 1, reference numeral 8 denotes a water pump that feeds tap water from a water reservoir 8a into the machine, 9 denotes a hot water tank that boils and stores water sent from the water reservoir 8a, and 9a denotes hot water in a hot water tank 9 inside the machine. A hot water supply solenoid valve for supplying hot water to various places, 10 is a hot water heating device for raising and heating the hot water supplied from the hot water tank 9 by a predetermined temperature, 11 is a raw material box for storing various beverage ingredients, and 12 is coffee beans as ground beans. Reference numeral 13 denotes a coffee extractor for extracting coffee from ground beans, 14 denotes a mixing ball, 15 denotes a mixing ball for dissolving a premix (for example, cocoa) in hot water, and 16 denotes a cup. With this configuration, when the beverage to be sold is regular coffee, coffee beans (eg, mocha, blue mountain, Kilimanjaro, etc.) are stored in the raw material box 4 for each type, and a certain amount of the raw material is selected from the raw material box 11 selected according to the sales order. Coffee beans are cut into a mill 12, ground into beans in the mill 12, and discharged to the coffee extractor 13.
[0009]
The hot water stored in the hot water tank 9 is supplied to the hot water heating device 10 via the hot water supply electromagnetic valve 9a, where it is heated and heated by a predetermined temperature and supplied to the coffee extractor 13 together with the ground beans, In it, the air is pressed by compressed air to extract the flavor from the ground coffee beans into coffee, which is discharged to the mixing bowl 14 through a filter (not shown). In the mixing ball 14, the cream and sugar already selected according to the sales order are mixed and poured into the cup 16. The temperature of the hot water tank 9 is controlled so that hot water can always be supplied in the range of 94 to 97 ° C. Even if the hot water tank 9 is mixed with a beverage ingredient other than regular coffee and mixed and poured into the cup 16, the temperature is higher than the target temperature (70 ° C). The temperature can be secured.
[0010]
However, in the case of regular coffee, there is an extra step of extracting coffee from the ground beans with the coffee extractor 12, so there is a temperature drop there, and the hot water supplied from the hot water tank 9 is lower than the lower limit of the temperature control range (94 ° C.). In the case of (1), when the sugar, cream and the like are additionally mixed with the mixing ball 14 in the subsequent process and the mixture is poured into the cup 16, the target temperature (70 ° C.) cannot be secured. I am trying to supply hot water.
[0011]
Other beverage ingredients (e.g., lemon, coffee (instant), primix, etc.) are stored in separate ingredient boxes 11 and discharged from the ingredient box 11 selected by the sales order to the mixing balls 14 or 15, At the same time, the hot water is mixed with the hot water supplied from the hot water tank via the hot water supply electromagnetic valve 9 a and poured into the cup 16.
[0012]
On the other hand, the hot water supplied from the hot water tank 2 is obtained by boiling the water supplied from the tap water through the water reservoir 8a and the water pump 8 in the hot water tank 9 so that the hot water can always be supplied in the range of 94 to 97 ° C. The hot water is supplied via a hot water supply solenoid valve 9a.
In FIG. 2 showing a configuration diagram of a main part of an embodiment of the present invention, reference numeral 2 denotes a tank of the hot water heating device 10, which is composed of parallel left and right side walls and front and rear side walls formed by curved surfaces swelling to the bottom and outside. Have been. 3 is a hot water inlet provided on the front side wall, 4 is a hot water outlet provided on the bottom opposite to the hot water inlet 3, 6 is a hot water path in the tank 2, and 7 is a hot water inlet. A weir that allows the flowing hot water to flow along both side walls of the tank 2 is shown. In FIG. 2, when a sales command is issued in a beverage vending machine to which the hot water heating device 10 is applied, the hot water heated in the preceding stage reaches the hot water inlet 3 of the hot water heating device 10 through a pipe, and from there. It flows into the tank 2. The hot water inlet 3 is arranged at the center of the semicircular side wall of the tank 2, and the hot water flowing from the hot water inlet 3 is distributed right and left by hitting the weir 7, flows along the right and left side walls, and flows out of the hot water outlet 4. leak. The path 6 of the hot water in the tank 2 is as shown by the dashed line in the figure.
[0013]
Although not shown, a surface heater is provided on the outer surface of the side wall of the tank 2, and the side wall of the tank 2 is heated, and the hot water is heated by the heat transfer to be sent out from the outlet.
[0014]
【The invention's effect】
According to the present invention, the hot water flowing into the hot water heating device is divided right and left by the weir and flows along the left and right side walls, so that the heat transfer area with the left and right side walls increases, and the amount of temperature rise increases. This has the effect that the coffee sales temperature can always be higher than the target value.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a beverage vending machine to which the invention is applied. FIG. 2 is a configuration diagram of a main part of an embodiment of the invention. FIG. 3 is a configuration diagram of a conventional example.
2 Bath 3 Hot water inlet 4 Hot water outlet 6 Hot water path 7 Weir 10 Hot water heating device

Claims (1)

In a beverage vending machine in which a beverage material and hot water which is heated and supplied by a hot water heating device and heated and supplied by a hot water heating device are blended into a beverage for sale, the hot water heating device has bottoms on parallel left and right side walls. A hot water inlet is provided at substantially the center of a side wall formed by a curved surface bulging outside the tank provided with front and rear side walls formed by a curved surface bulging outward at least at the front, and at a bottom opposite to the hot water inlet. An outlet was provided, a weir was provided so that hot water flowing into the tank from the hot water inlet flows along the inner surface of the left and right parallel side walls, and a heater for heating the left and right parallel side walls from the outside was provided. A beverage vending machine characterized by the above-mentioned.

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