JP2000135169A - Coffee maker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to suppress an armor case from becoming hotter than by the presence of a roaster and to rapidly supply the hot water of high temperatures necessary in a coffee liquid extraction stage. SOLUTION: This coffee maker has at least the roaster 20 for roasting raw beans, a pulverizer for pulverizing the roasted beans, an extractor for extracting the coffee liquid from the pulverized and roasted beans and a hot water supplying means for supplying heated water to the extractor. A water tank 50 which is the component member of the hot water supplying means is arranged near above the roaster 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee maker capable of roasting, crushing, and pouring coffee liquid from green beans.

[0002]

2. Description of the Related Art There has been conventionally provided a coffee maker in which extraction of a coffee liquid can be started by roasting green beans. In this kind of coffee maker,
First, the green beans are roasted, then the roasted beans are cooled, the roasted and cooled beans are ground, and then the coffee liquid is extracted from the ground beans. Automatically extracted from beans.

[0003] A roaster is required for roasting the green beans, and the roaster needs to be heated to a high temperature for roasting the green beans. Further, in order to extract the coffee liquid, it is necessary to pour high-temperature hot water into the extractor.

[0004]

However, in the above-mentioned conventional coffee maker, since there is a roaster that is heated to a high temperature, there is a problem that the device exterior body around the roaster is heated and becomes hot. Was. In particular, the roaster is often arranged at an upper position in the exterior body, in which case there is a problem that the top surface of the exterior body becomes hot. In addition, in order to perform the process from roasting to extraction of raw beans quickly and in a short time, it is necessary to quickly produce and supply high-temperature hot water during the extraction step using an extractor, but it is necessary to supply water tanks and the like. It takes a long time to heat and pour the water to a high temperature suitable for extracting the coffee liquid, and as a result, there is a problem that the time required from roasting to extracting the coffee liquid becomes long.

Accordingly, the present invention solves the above-mentioned drawbacks of the conventional fully automatic coffee maker, and can prevent the outer case from becoming hot due to the presence of the roasting machine. It is an object of the present invention to provide a coffee maker capable of quickly supplying hot water having a high temperature.

[0006]

In order to achieve the above object, a coffee maker of the present invention comprises a roaster for roasting green beans, a crusher for crushing roasted beans, and a crusher. An extractor for extracting a coffee liquid from the roasted beans that have been obtained, and a coffee maker comprising at least hot water supply means for supplying heated water to the extractor, wherein the hot water supply means A first feature is that a water tank, which is a constituent member, is arranged near the upper part of the roaster. Further, in addition to the first feature, the coffee maker of the present invention further comprises a donut-shaped water tank, and a feeding passage from a bean charging port provided on a top surface of an outer case through a center hole thereof to a roaster. Is a second feature.
Further, the coffee maker of the present invention has a third feature in that, in addition to the above-described second feature, a smoke removing catalyst filter is provided on a cover of a bean input port.

According to the first feature, since the water tank is disposed above the roaster, heat generated by the roaster and transmitted to the upper part is absorbed by the water tank. Therefore, it is possible to prevent the top surface of the exterior case and the surrounding exterior body from being heated to a high temperature. On the other hand, the water tank absorbs heat during roasting of the green beans, so that the temperature of the water inside is appropriately raised. Therefore, in the coffee liquid extraction step performed later, the water heated to some extent by the heat of the roaster is supplied from the water tank, and this is heated to the required high temperature. The heating time can be shortened, and the time from roasting of the green coffee beans to extraction of the coffee liquid can be shortened as a whole.

[0008] According to the second feature, in addition to the action of the first feature, the water tank is formed in a donut shape.
Since the insertion path to the roaster was formed from the bean input port provided on the top of the outer case through the center hole, even when the water tank was placed above the roaster, the top of the outer case A bean charging port is provided in the roasting machine so that green beans can be charged from above into a roasting device having a pot shape or the like. When the green beans are put in from the side wall or the side of the roaster, the configuration becomes complicated. On the other hand, since the water tank surrounds the charging passage in a donut shape, the water tank also absorbs the hot air rising from the roaster through the charging passage, and the heat absorption in the water tank. Efficiency is improved.

According to the third aspect, in addition to the operation of the second aspect, the provision of the smoke removing catalyst filter on the lid of the bean input port allows the roaster to pass through the input passage. It is possible to remove the smoke that has risen to the bean inlet, and it is possible to suppress the smoke from leaking from the bean inlet to the outside.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A coffee maker according to an embodiment of the present invention will be described below with reference to FIG.
FIG. 1 is a longitudinal sectional view schematically showing a coffee maker according to an embodiment of the present invention.

In the outer case 10, a roaster 20 for roasting green beans, a cooling fan 30 for cooling coffee beans roasted in the roaster 20, and pulverizing the beans. A crusher / extractor 40 is provided, which also serves as a crusher and an extractor for extracting coffee liquid from crushed coffee beans. Although not shown, an instantaneous heating type hot water supply unit for supplying heated water for extraction to the crusher / extractor 40 is provided. A water tank 50 constituting a part of the hot water supply means is disposed above the roasting machine 20. The extracted coffee liquid is sent to the coffee server 6
Stored at zero.

The roasting machine 20 is a container-shaped roasting machine made of, for example, an aluminum alloy material, has a ring-shaped heating ring 21 above the inside thereof, and the beans in the roasting machine 20 are provided at the center of the inner bottom surface. A stirring blade (not shown) for stirring is provided.
The stirring blade is rotated by a rotation drive mechanism 22 such as a motor. In addition, a smoke removing catalyst filter 23 for removing smoke and the like generated during roasting is provided on the ceiling of the roasting machine 20. A part of the lower part of the roasting machine 20 is provided with a bean outlet 24 for dropping and supplying beans to the crushing / extracting unit 40, and is automatically opened and closed by opening and closing means 25. . A part of the upper part of the roasting machine 20 is provided with a blowing port 26 for cooling air by the cooling fan 30.

The top of the outer case 10 has a bean inlet 1
1 and a lid 12 thereof, and a cylindrical charging passage 2 extending from the charging port 11 to the center of the ceiling of the roaster 20.
7 are formed. On the back of the lid 12, a catalyst filter 12a for removing smoke is provided.

A water tank 50 constituting a part of the hot water supply means is provided directly above the roasting machine 20. The water tank 50 is specifically formed in a donut shape having a center hole 51 so that the cylinder of the charging passage 27 passes through the center hole 51 of the water tank 50. The water tank 50 is always mounted in the outer case 10, and a required amount of water is poured into the water tank 50 through a water inlet (not shown) on the top surface of the outer case 10.
The required amount of water to be poured into the water tank 50 is measured in advance using a measuring cup or the like. Of course, the water tank 50 can be easily removed in case the roaster 20 or the water tank 50 itself or its surrounding members need to be repaired. Water tank 50
The water inside is heated from the water tank 50 through a not-shown instantaneous heat exchanger at the time of extracting the coffee liquid, and becomes hot water at a temperature suitable for the extraction. Can come off.

The crusher / extractor 40 includes a blade cutter 41 for crushing beans in a container, a filter 42, and a discharge pipe 43 for discharging the extracted coffee liquid. The pulverizer / extractor 40 is equipped with a mounting table 70.
It is mounted so as to be detachably fitted to the side, and is fitted with the shaft of a rotary drive source 71 such as a motor provided on the mounting table 70 to receive the transmission of rotational force. In the present embodiment, the pulverizer and the extractor are also used as the pulverizer / extractor 40. However, the pulverizer and the extractor do not always need to be used in common.

A controller (not shown) is provided in the mounting table 70 to control the operation of the entire apparatus. Now, according to the required number of cups of coffee liquid, etc., necessary raw beans are thrown into the roasting machine 20 from the bean inlet 11 and the amount of water according to the required number of cups is measured. Water tank 5
By pouring into 0, you are ready. In this state, when an operation switch (not shown) is turned on, heat including far-infrared rays by the heat generating ring 21 of the roaster 20 is started, rotation of the stirring blades is started, and roasting of green beans is started.
Smoke generated during roasting or the like is removed by the smoke removing catalyst filters 12a and 23. When the roasting is completed, the power supply to the heating ring 21 is stopped. Then, the roasted beans are quickly cooled by the cooling fan 30. When the cooling is completed, the bean discharge port 24 is opened by the opening / closing means 25, and the beans inside are dropped from the bean discharge port 24 to the crusher / extractor 40 by the stirring blade. Thereafter, the rotation of the stirring blade is stopped, and the beans discharge port 24 is closed. During the roasting, the heat generated in the roasting machine 20 tends to be transmitted to the surroundings, especially upwards. However, since the water tank 50 is located directly above the water tank 50, the transmission of heat is blocked by the water tank 50, or The heat is absorbed by the roasting device 50, and as a result, the dissipation of heat from the roaster 20 to the surroundings is prevented, and the top surface of the outer case 10 is prevented from being heated to a high temperature. Further, the water in the water tank 50 is heated by absorbing the heat from the roaster 20.

In the crusher / extractor 40 that has received the roasted and cooled beans, the blade cutter 4
1 is rotated for a period of time, whereby the beans are ground to a suitable size. Thereafter, water heated to a temperature suitable for extraction from the water tank 50 via an instantaneous heat exchanger (not shown) is poured into the pulverizer / extractor 40, and extraction is started. The coffee liquid to be extracted is filtered
Through the outlet pipe 43 to the coffee server 60.

In the above description of the operation, the automatic operation when the coffee liquid is continuously obtained from the green beans has been described. However, in the apparatus of the present invention, the roasting by the roasting machine 20 is performed as a partial operation. Only the operation may be performed. Moreover, you may make it perform from roasting to grinding. Further, only the pulverizing operation may be performed in the pulverizer / extractor 40 using the roasted beans. Furthermore, it is also possible to perform only the extraction using the roasted and pulverized bean flour.

[0019]

According to the coffee maker of the first aspect of the present invention, a roaster for roasting green beans and a pulverizer for pulverizing roasted beans are provided. Vessels,
A coffee maker comprising at least an extractor for extracting a coffee liquid from crushed roasted beans, and hot water supply means for supplying heated water to the extractor, wherein the hot water supply means Since the water tank, which is a component member of the roaster, is arranged near the upper part of the roaster, the water generated in the roaster and transmitted to the upper part can be absorbed by the water tank. And the surrounding exterior body can be prevented from being heated to a high temperature. On the other hand, the water tank absorbs the heat radiated from the roaster during roasting of the green beans, so that the temperature of the water inside can be appropriately heated, and accordingly, the water can be more quickly increased. The water can be heated to the required extraction temperature, and the time required for extraction can be shortened. According to the coffee maker of the second aspect, in addition to the effect of the configuration of the first aspect, the water tank is formed in a donut shape, and the beans are provided through the center hole and provided on the top surface of the outer case. Since a charging passage from the mouth to the roaster was formed, even when a water tank was arranged above the roaster, a bean charging port was provided on the top surface of the outer case, and the Raw beans can be added. Therefore, a simple configuration can be achieved as compared with a case in which green beans are thrown in from the side wall or the side of the roaster. Further, the periphery of the charging passage can be surrounded by a water tank, and the hot air rising from the roaster through the charging passage can be absorbed by the water tank, so that the efficiency of heat absorption of the water in the water tank is improved. Further, it is possible to suppress the beans input port on the top surface of the outer case and its surroundings from becoming hot. According to the coffee maker of the third aspect, in addition to the effect of the configuration of the second aspect, since the smoke removing catalyst filter is provided on the lid of the bean input port, the input passage from the roaster can be provided. It is possible to remove the smoke that rises to the bean insertion port and to prevent the smoke from leaking to the outside from the bean insertion port.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view schematically showing a coffee maker according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Outer case 11 Bean inlet 12 Lid 12a Smoke removal catalyst filter 20 Roasting machine 21 Heating ring 22 Rotation drive mechanism 23 Smoke removal catalyst filter 24 Bean outlet 25 Opening / closing means 26 Blow-in port 27 Input passage 40 Extraction also used as crusher Vessel 41 blade cutter 42 filter 43 outlet pipe 50 water tank 51 center hole 60 coffee server 70 mounting table

Claims (3)

[Claims] 1. A roaster for roasting green beans, a crusher for crushing roasted beans, an extractor for extracting a coffee liquid from the crushed roasted beans, A coffee maker comprising at least hot water supply means for supplying heated water to the extractor, wherein a water tank, which is a component of the hot water supply means, is arranged near the upper part of the roaster. A coffee maker, characterized in that: 2. The doughnut-shaped water tank has a central hole formed therein, and a charging passage from a bean charging port provided on a top surface of the outer case to a roaster is formed. Coffee maker. 3. The coffee maker according to claim 2, wherein a catalyst filter for removing smoke is provided on a lid of the bean input port.