JPS63143013A - Coffee brewer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a coffee boiler having a coffee bean grinding function.

(Prior Art) Conventionally, there is a fully automatic coffee brewer in which a coffee bean grinding mechanism and a drip mechanism are integrated, and the coffee brewing mechanism is automatically switched to the drip mechanism after coffee beans are ground. Examples thereof are shown in FIGS. 3 to 6. This coffee brewer is
Coffee bean grinding cutter 3 driven and rotated by motor 2
It has a container 1 that is integrated with a coffee bean grinding chamber equipped with a coffee bean grinding chamber and a basket 9 which forms a filtration chamber in which extract liquid and residue are separated by a filter 4, and an appropriate amount of coffee is poured into the grinding chamber of the container 1. The main body 11 is fitted with a container lid 10 to prevent the coffee beans from flying out of the container 1 during grinding.
After grinding the coffee beans for a certain period of time with the cutter 3, the water stored in the tank 5 is introduced into the water pipe 8 formed integrally with the heater 7 through the check valve 6. A discharge pipe 8' located above the basket 9 pushes up the hot water using the steam pressure generated by heating the water.
By pouring hot water into the basket 9 from the discharge pipe 8', a coffee extract is obtained.

In the above operation, in order to prevent the coffee beans from flying out when the coffee beans are ground, the container lid 10 is placed on the container 1 installed at a predetermined position in the main body ll, and then the main body cover 12 is closed.
Beans cannot be crushed unless the main body 11 is completely covered by closing it as shown by the arrow in Fig. 3. Its structure is such that when a container covered with a container lid 10 is placed in a predetermined position inside the main body 11 and the main body cover 12 is closed, a protrusion 12' provided on the main body cover 12 passes through a protrusion 10' on the container lid 10. By pushing the lever shaft 13 and closing the contacts 14 and 15, it is detected that the container 1 and the container lid 10 are normally installed. This detection means is a difference detection means 21, which will be described later. Coffee beans cannot be ground unless the container 1 and container lid 10 are properly installed.

By the way, many coffee brewers these days come equipped with a built-in timer that allows the user to freely set the time for grinding coffee beans so that the user can enjoy coffee immediately when he or she wakes up or returns home from an outing. It has become.

An operational block diagram of a conventional example using such a timer is shown in FIG. 7, and an explanatory diagram of its operation is shown in FIG.

In FIG. 7, 20 is a switch to be operated when immediately grinding coffee beans, 21 is the above-mentioned difference detection means, 22 is a motor control means for controlling the motor 6, and 23
When the switch 20 is operated, the information of the difference detection means 21 is checked and the motor control means 22 is turned on.

Immediate operation determination means for outputting an off signal, 24 an operation start time setting means for setting when to start grinding coffee beans at an arbitrary time, and 25 a time until the time set by this operation start time setting means. 26 is a time measurement start means for starting the operation of the time measurement means 25; and 27 is an operation start time determination means for determining whether the set time has come.

With this structure, when the coffee beans are ground immediately, the switch 20 is operated.

The immediate action determining means 23 examines the information of the difference detecting means 21.

If it is normal, a motor-on signal is output to the motor control means 22, and the motor 2 starts operating. However, if it is not normal, the motor 2 will not operate.Also, when grinding coffee beans at an arbitrary time using a timer, after setting the desired time using the operation start time setting means 24, the time measurement start means 26 When operated, the time measurement means 25 starts measuring the time up to the time set by . Based on this measured time, the operation start time determination means 27 determines whether or not the set time has come, and only measures the time until the set time, and only when the time is set, the immediate operation determination means 23 Accordingly, the information of the difference detection means 21 is checked.

(Problem to be solved by the invention) When we examine the actual usage of the device configured as above, we find that
When using a timer, even though the time for grinding coffee beans was set, the container 1 and container lid 10 were accidentally damaged.
Quite often, the grinding machine is not properly placed in the main body 11, so that no grinding is carried out at all, and this fact becomes apparent only after a predetermined time has elapsed. That is, when a timer is used, there is a problem in that it is not known whether or not normal operation is being performed until the set time has elapsed.

(Means for Solving the Problems) In order to solve these problems, the present invention provides a coffee boiler configured as described above, in which the grinding operation of raw materials is performed at an arbitrary time. An operation start state determining means is provided in the chamber for checking information from the difference detecting means until a predetermined time elapses after the means is operated.

(Function) With this configuration, even when the timer is used to perform the coffee bean grinding operation, the operation start state determination means always checks the information of the difference detection means after the time measurement start means is operated. Therefore, it can be determined whether or not the coffee beans can be ground in a normal state even if the set time has not arrived.

(Embodiment) Fig. 1 is an operational block diagram of an embodiment of the present invention, Fig. 2 is an explanatory diagram of its operation, and the mechanical structure is similar to the conventional coffee brewer shown in Figs. 3 to 6. Similarly, in FIG. 1, the same parts as those in the conventional example shown in FIGS. 7 and 8 are denoted by the same reference numerals, and the explanation of these parts will be omitted. In FIG. 1, reference numeral 28 indicates the grinding operation of coffee beans at an arbitrary time, so after setting the desired time using the operation start time setting means 24, the time measuring start means 26 is operated, and after that the raw material grinding operation is started. This is an operation start state determination means that checks information from the difference detection means 21 until completion.

In the apparatus configured as described above, a case will be described in which the coffee beans are ground at an arbitrary time. The operation start time setting means 24 sets the desired time for grinding coffee beans, and the time measurement start means 26
When the timer operation is started by operating , the operation start state determining means 28 checks the information of the difference detecting means 21, and if the arrival state is normal, the time measuring means 25 starts measuring the time up to the set time. . However, if the information from the difference detection means 21 is not a normal wearing condition, the 1 hour measurement means 2
5 does not start time measurement.Also, even if the information of the difference detection means 21 is normal when the timer starts operating, if the information of the difference detection means 21 becomes incorrect during the process of time measurement by the time measurement means 25, Time measurement stops at that point. When grinding coffee beans immediately, the same operation as before is performed, so when grinding coffee beans using a timer, the information of the difference detection means 21 is constantly checked from the start of the timer operation until the grinding is completed. There is. Therefore, the user can know whether or not the device is ready for normal operation at any time after the timer operation starts.

Note that if the information from the difference detection means 21 indicates that the wearing condition is not normal, the user can be notified more accurately by issuing a warning using sound, light, or the like.

(Effects of the Invention) As described above, according to the present invention, even when the coffee bean grinding operation is performed at a desired time by the timer operation, the information of the difference detection means is always checked after the time measurement means is operated. It is possible to know whether or not the normal operation is being performed even before the time has elapsed, and the inconvenience of knowing that the coffee bean grinding operation is not being performed is eliminated until the setting is made as in the past.

[Brief explanation of the drawing]

FIG. 1 is an operational block diagram of the embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of the embodiment of FIG. 1, FIGS. 3 and 4 are perspective views of an example of a conventional coffee brewer, and FIG. Figure 5 is Figure 4A-
B-C sectional view, Fig. 6 is Fig. 4 D-E-B-C sectional view,
Figure 7 is an operational block diagram of a conventional coffee brewer, Figure 8
This figure is an explanatory diagram of the operation shown in FIG. 7. 1... Container, 2... Motor, 3... Cutter,
DESCRIPTION OF SYMBOLS 10... Container lid, 11... Main body, 21... Difference detection means, 23... Immediate operation determination means, 24...
・Operation start time setting means, 25... Time measuring means, 2
6... Time measurement start means, 27... Operation start time determination means, 28... Operation start state determination means. Patent Applicant: Matsushita Electric Industrial Co., Ltd. Figure 1 Figure 2 Figure 1 Figure 4 Figure 11, Ippon I Book 5 Figure 2 Itoyo 10 - 宕 4 Shi I Figure 6 Figure 7 Figure 8 Figure ■-11

Claims (1)

[Claims] a container containing a raw material crushing cutter driven and rotated by a motor provided in the main body; a lid for sealing the container; a lid detection means for detecting whether the lid is installed normally; a control means for checking the information of the lid detection means and outputting an on/off signal to the motor control means; an operation start time setting means to be set; a time measurement means for measuring the time up to the time set by the operation start time setting means; a time measurement start means for starting the operation of the time measurement means; and a time measurement means for starting the operation of the time measurement means; In a coffee boiler equipped with an operation start determination means for determining whether or not the time is reached, in order to perform the raw material crushing operation at any time, the time measurement start means is operated until the raw material crushing operation is completed. A coffee boiler characterized in that an operation start state determining means is provided for constantly checking information from the lid detecting means.