JP3264178B2 - Automatic bread maker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic bread maker used in ordinary households.

[0002]

2. Description of the Related Art A conventional automatic bread maker will be described below. In FIG. 15 which is an overall configuration diagram of a conventional example, a baking chamber 1 has a heater 2 as a heating means and a detachable pan case 3, and a belt for transmitting power from a pulley 5 connected to a motor 4. A pulley 8 is installed, which is connected to a kneading blade 6. The thermistor 9 is a firing chamber temperature detecting means in the firing chamber 1 for performing process determination and temperature adjustment.
Is installed. In the upper part of the baking chamber 1, there is a lid 10 and a yeast inlet 11 for introducing yeast, and the yeast inlet 11 drops yeast by an interlocking solenoid 12. Operations such as menu selection, cooking start and cancellation are performed by the operation means 13, and a control means 14 including a microcomputer or the like in accordance with the operation from the operation means 13 is provided with a signal from the thermistor 9 and a signal obtained in advance. According to the kneading and temperature control data, all the baking operations are controlled, and the display means 15 constituted by an LCD, an LED, or the like is turned on or off according to the progress of cooking.

[0003]

However, in the above-described conventional method, the motor for kneading is controlled by constant data, so that the fluorine-processed bread case 3 and the blades 7 which are in contact with the dough by repeating kneading.
Had a problem that the surface was roughened, the water repellency was reduced, and even if kneading was performed for a certain time or a certain number of times, the kneading performance gradually decreased.

The present invention solves the above-mentioned conventional problems. The state of the fluorine surface of the pan case 3 and the mixing blade 7 is determined from the cumulative number of rotations of the mixing blade 7, and the rotation of the motor 4 is adjusted accordingly. By adjusting, it aims at ensuring the cooking performance of stable kneading even if kneading is repeated.

[0005]

In order to solve the above-mentioned problems, an automatic bread maker according to the present invention is provided with a kneading stabilizing means for storing the cumulative number of rotations of kneading and changing the number of rotations of the motor in accordance with this. With such a configuration, from the repetition of kneading, the surfaces of the fluorinated bread case and the kneading blade in contact with the dough are roughened, the water repellency is reduced, and even if the kneading performance is reduced, the kneading performance is accumulated. By judging the surface state of the kneading blades and the pan case from the kneading rotation speed and changing the kneading rotation speed in accordance therewith, stable kneading performance can be obtained even if kneading is repeated.

[0006]

DETAILED DESCRIPTION OF THE INVENTION The invention according to claim 1 is provided in a baking chamber having heating means, a bread baking mold detachably mounted in the baking chamber, and an inner bottom of the baking mold.
Mixing blade driven by a motor, motor control means for controlling the driving of the motor, firing chamber temperature detecting means for detecting the temperature in the firing chamber, rotation speed measuring means for measuring the rotation speed of the mixing blade, Cumulative rotation number storage means for accumulating and storing the rotation number output from the rotation number measurement means, and according to the output from the cumulative rotation number storage means during the kneading process,
A kneading stabilizing means for controlling the number of rotations of the motor so as to change the number of rotations of the kneading blades is provided.From the cumulative number of rotations of the kneading blades, the surface state of the kneading blades and the pan case is determined to determine the rotation of the kneading. By changing the number, stable kneading performance can be obtained even if kneading is repeated.

The invention according to claim 2 is a kneading time measuring means for measuring the time of the kneading process, a kneading time storage means for storing the kneading time, a rotation abnormality display means for notifying an abnormality of the motor, the belt, and the like. The kneading time measuring means and the display control means for controlling the rotation abnormality display means according to the output from the kneading time storage means are provided, and the kneading time of this time is compared with the kneading time of the previous time. Thus, a sudden abnormality such as a motor or a belt can be determined and notified to the user.

According to a third aspect of the present invention, there is provided a rotational speed input means for inputting the cumulative rotational speed of the kneading blades during the kneading process, and an input rotational speed storage means for storing the cumulative rotational speed inputted by the rotational speed input means. Cumulative speed display means for displaying the input cumulative speed, display control means for controlling the cumulative speed display means in accordance with the output of the input speed storage means, and cumulative speed storage means And according to the accumulated rotational speed output from the input rotational speed storage means,
Kneading stabilization means for controlling kneading is provided,
By the rotation speed input means, the user can arbitrarily store and set the cumulative rotation speed of the kneading, create a state of the dough according to the preference, and display the previously set cumulative rotation speed at the next use. It is convenient to use.

According to a fourth aspect of the present invention, there is provided a kneading time display means for displaying a kneading time, and a display control means for controlling the kneading time display means in accordance with the kneading time outputted from the kneading time storage means. This is provided, and by displaying the number of kneadings set last time and the kneading time of the previous time, the user can know the standard of the kneading time this time, and the usability is good.

[0010]

(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a side sectional view of an automatic bread maker,
In FIG. 1, the same components as those in the above-described conventional example are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG.
A magnet 16 is provided on the circumference of the circle, and a Hall IC 17 is provided above the magnet 16.

FIG. 2 is an electric circuit diagram of the present embodiment. As shown in FIG.
And a relay 19 for turning on and off the heater 2, a triac 20 for turning on and off the motor 4, and the control means 14. The control means 14 controls the heating and energization control means 14 a for controlling the relay 19, the motor control means 14 b for controlling the triac 20, the temperature detection means 14 c for judging the temperature in the firing chamber 1 by the thermistor 9, and the display means 15. Display control means 14d, and a rotation speed measuring means 14e for measuring the rotation speed of the kneading blades 7 by the Hall IC 17.
A cumulative rotational speed storage means 14f comprising a non-volatile memory for counting and storing the cumulative rotational speed from the output of the rotational speed measuring means 14e, and controlling the kneading in accordance with the output from the cumulative rotational speed storage means 17f. It is composed of kneading stabilizing means 14g.

The operation of the automatic bread maker constructed as described above will be described with reference to FIGS. FIG. 3 is a flowchart showing the operation of the automatic bread maker.
First, when the control means 14 enters the kneading process, the triac 20 is driven by the motor control means 14b in step 1;
The motor 4 is turned on at the rotation speed N. When the motor 4 rotates, the plurality of magnets 16 mounted on the pulley 8 pass below the Hall IC 17. Therefore, the magnetic force lines pass through the Hall IC 17 each time the magnet 16 passes, and a high signal is output to the rotation speed measuring means 14e. Therefore, in step 2, the rotation speed of the kneading blade 7 when the motor 4 is turned on by the rotation speed measuring means 14e is measured by counting the high signal from the Hall IC 17, and the pulse signal is accumulated every one rotation. Output to the number storage means 14f. The cumulative rotational speed storage unit 14f counts and stores the pulse signal sent from the rotational speed measuring unit 14e, and outputs the counted pulse signal to the kneading stabilizing unit 14g as the cumulative rotational speed N1.

Next, based on the relationship between the cumulative rotation speed and the kneading performance shown in FIG. 4, the kneading stabilizing means 14e is provided with a fluorine-processed bread case in contact with the bread dough due to repeated kneading as the cumulative rotation speed increases. 3 and the surface of the blade 7 are roughened, the water repellency is reduced, and a difference α appears with respect to the desired kneading performance. In Step 3, α obtained by an experiment or the like according to the kneading performance difference α The following corrections are made in order to make the number of revolutions optimal for kneading according to. Kneading stabilizing means 14
"e" determines the on-time t1 of the motor 4 for the kneading performance correction in FIG. 5 representing the drive signal of the motor 4 from the cumulative rotation speed from the cumulative rotation speed storage means 14g, and outputs it to the motor control means 14b. In response to the received t1, the motor control means 14b corrects the ON signal as shown by the dotted line portion of the drive signal of the motor 4 in FIG. 5 and increases the rotation speed, thereby correcting the rotation speed to the optimum rotation speed for kneading. The kneading is performed until the number of revolutions of the kneading reaches a predetermined value.

As described above, according to the present embodiment, the firing chamber 1 having the heater 2, the pan case 3 which can be removably mounted in the firing chamber 1, and the inner bottom of the pan case 3 are provided. , A kneading blade 7 driven by the motor 4, a rotation speed measuring unit 14 e for measuring the rotation speed of the kneading blade 7,
Cumulative rotation speed storage means for accumulating and storing the rotation speed output from the rotation speed measurement means, and a motor 4 for correcting kneading performance in accordance with the output from the cumulative rotation speed storage means 14f during the kneading process. The surface state of the kneading blades 7 and the pan case 3 is determined from the cumulative number of rotations of the kneading blades 7 by providing the kneading stabilizing means 14g that controls the number of rotations of the kneading blades, and the kneading rotation speed is set accordingly. Thereby, a stable kneading performance can be obtained even if kneading is repeated.

(Embodiment 2) Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 6 is a side sectional view of the automatic bread maker,
In FIG. 6, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the display means 15, a rotation abnormality display means 15a for notifying the user of an abnormality of the motor, the belt or the like is provided.

FIG. 7 is an electric circuit diagram of the present embodiment. FIG.
As shown in the figure, a kneading time measuring means 14h for counting the kneading time by the quartz oscillator 21 is provided in the control means 14.
A kneading time storage means 14i comprising a non-volatile memory or the like which stores the previous kneading time and calculates the difference between the previous kneading time and the current kneading time and outputs the difference to the display control means 14d; Display control means 14 for controlling the rotation abnormality display means 15a according to the output from 14i
Install d.

The operation of the automatic bread maker configured as described above will be described with reference to FIG. FIG. 8 is a flowchart showing the operation of the automatic bread maker. First, when the kneading process is started, the kneading time measuring means 14h in step 5
Starts the measurement of the kneading time (T1) by the quartz oscillator 21. Next, in step 6, kneading is performed a predetermined number of times determined in advance by experiments or the like, and it is determined whether or not kneading has been completed. If not, the process returns to step 5. On the other hand, if the kneading time is completed, the kneading time measuring means 14h outputs the measured kneading time (T1) to the kneading time storage means 14i and proceeds to step S7. In step 7, the kneading time storage means 14i compares the difference between the kneading time (T1) measured this time and the previous kneading time (T2). Normally, the motor 4 is adjusted so as to have the same optimum rotational speed.
If the difference becomes equal to or more than K determined in advance by experiments or the like, it is determined that there is a large difference in kneading time due to an abnormality of the motor 4 or the belt 6, etc., and YES is output to the display control means 14d. Move to step 8. In step 8, when the display control means 14d receives the ON signal from the kneading time storage means 14i, it turns on the rotation abnormality display means 15a to notify the user of the trouble of the rotation abnormality. Conversely, step 7
If the difference between T1 and T2 is smaller than K, it is determined that the previous kneading and the current kneading have been completed in almost the same manner, and there is no problem. In step 9, the kneading time storage means 14i updates the previous kneading time (T2) to the current kneading time (T1) and stores it.

As described above, according to the present embodiment, the kneading time measuring means 14h for measuring the time of the kneading process, the kneading time storage means 14i for storing the kneading time, and the abnormality of the motor 4 and the belt 6 are notified. Rotation abnormality display means 15a, the kneading time measuring means 14h, and the kneading time storage means 14
By providing a display control means 14d for controlling the rotation abnormality display means 15a according to the output from i, the kneading time is compared with the kneading time of the previous time and the kneading time of the previous time. Therefore, the user can be notified of the abnormal rotation.

(Embodiment 3) Next, a third embodiment of the present invention will be described with reference to FIGS. FIG. 9 is a side sectional view of the automatic bread maker of the present embodiment. In FIG. 9, the same components as those of the second embodiment are denoted by the same reference numerals and description thereof is omitted. Operation means 1
A switch 13a, which is a rotation speed input means, is provided in the switch 3.
There is. In addition, the accumulated rotation speed display means 1 is displayed in the display means 15.
5b is installed. FIG. 10 is an electric circuit diagram of the automatic bread maker of the present embodiment. As shown in FIG. 10, the switch 13a is provided with an input rotation speed storage unit 14 constituted by a nonvolatile memory or the like.
j.

The operation of the automatic bread maker constructed as described above will be described with reference to FIG. 11 which is a flowchart showing the operation of the automatic bread maker. First, the operating means 13
When the menu of the kneading cumulative rotational speed free setting is selected from the menu, in step 10, the input rotational speed storage means 14j displays the stored previous input rotational speed M, and if not stored, displays M = 0. It outputs to the control means 14d and the kneading stabilizing means 14g. The display control means 14d outputs the input rotational speed M as the rotational speed set by the user to the accumulated rotational speed display means 15b, and displays it. Next, in step 11, the input rotation speed storage means 14j determines whether or not the switch 13a as the rotation speed input means has been pressed. If the button has been pressed, the answer is Yes, and the routine proceeds to step 12. In step 12, the input rotation number storage means 14j determines that the input rotation number has been increased by the user, increments the input rotation number M by 1, stores it, and returns to step 10. Conversely, if the switch 13a is not pressed in step 11, the result is No, and the routine goes to step 13. In step 13, the process waits for the kneading to be started by the operation means 13, and repeats step 10 and subsequent steps until it is started. In step 14, the kneading stabilizing means 14g turns on the motor 4 to start kneading, and proceeds to step 15. In step 15, the cumulative rotational speed storage means 14f measures the cumulative rotational speed N2 from the start of kneading, and
g and output to step 16.

In step 16, the kneading stabilizing means 14g
Cumulative rotational speed N output from cumulative rotational speed storage means 14f
2 is compared with the input rotation speed M output from the input rotation speed storage means 14j. If M ≧ N2, the kneading has not been performed for the number of times set by the user, so that the determination is Yes, and the process returns to step 14 and continues the kneading. Conversely, step 16
If M <N2, the user kneaded the number of times set by the user, and the determination is No, and the process ends.

As described above, according to this embodiment, the rotation speed input means 13a for inputting the cumulative rotation speed of the kneading blades during the kneading process, and the cumulative rotation speed input by the rotation speed input means 13a are stored. Input rotational speed storage means 14j and cumulative rotational speed display means 15b for displaying the input cumulative rotational speed
Display control means 1 for controlling the cumulative rotation number display means 15b in accordance with the output of the input rotation number storage means 14j.
4d, the output from the cumulative rotation speed storage means 14f,
By providing the kneading stabilizing means 14g for controlling kneading in accordance with the cumulative number of rotations output from the input rotation number storage means 14j, the user can arbitrarily store and set the kneading cumulative number of rotations according to preference. This makes it possible to create the condition of the dough, and to display and use the previously set cumulative number of revolutions at the next use, which is convenient.

(Embodiment 4) Next, a fourth embodiment of the present invention will be described with reference to FIGS. FIG. 12 is a side sectional view of the automatic bread maker of the present embodiment. In FIG. 12, the same components as those of the third embodiment are designated by the same reference numerals, and the description is omitted. In the display means 15, a kneading time display means 15c for displaying the previous kneading time is provided. FIG. 13 is an electric circuit diagram of the automatic bread maker of the present embodiment.

The operation of the automatic bread maker constructed as described above will be described with reference to FIG. FIG. 14 is a flowchart showing the operation of the automatic bread maker. In this flowchart, the same operations as those in the third embodiment are denoted by the same reference numerals, and description thereof is omitted. In step 17, the display control unit 14d turns on the kneading time display unit 15c according to the previous kneading time T3 output from the kneading time storage unit 14i, and displays the time required for the previous kneading to the user. When kneading starts, in step 18,
The kneading time measuring means 14h starts counting the kneading time by the quartz oscillator 21. When the kneading is completed, in step 19, the kneading time measuring means 14h outputs the measured kneading time T3 to the kneading time storage means 14i, and the kneading time storage means 14i stores the received kneading time T3.

As described above, according to the present embodiment, the kneading time display means 15c for displaying the kneading time and the control of the kneading time display means 15c in accordance with the kneading time outputted from the kneading time storage means 14i. By providing the display control means 14d for performing the display, the user can know the guideline of the current kneading time by displaying the number of kneadings set last time and the kneading time of the last time, which is convenient.

[0026]

As is apparent from the above description, according to the first aspect of the present invention, there is provided a baking chamber having a heating means, a bread baking mold detachably mounted in the baking chamber, and a baking baking mold. A kneading blade provided on the inner bottom portion and driven by a motor, a motor control means for controlling the driving of the motor, a baking chamber temperature detecting means for detecting a temperature in the baking chamber, and a rotation for measuring the number of rotations of the kneading blade. A number measuring means, a cumulative number of revolutions storage means for accumulating and storing the number of revolutions output from the number of revolutions measuring means, and a number of revolutions of the kneading blades in accordance with an output from the accumulated number of revolutions storing means during the kneading process. By providing kneading stabilizing means for controlling the number of rotations of the motor so as to correct the kneading, the surface state of the kneading blades and the pan case is determined from the cumulative number of rotations of the kneading blades, and the kneading rotation speed is adjusted accordingly. Change It is, it is possible to obtain a stable kneading performance even after repeated kneading.

According to the second aspect of the present invention, kneading time measuring means for measuring the time of the kneading step, kneading time storing means for storing the kneading time, and a rotation abnormality for notifying an abnormality of the motor, the belt and the like. By providing a display means and a display control means for controlling the rotation abnormality display means in accordance with the output from the kneading time measuring means and the kneading time storage means, the present kneading time is compared with the previous kneading time. By doing so, it is possible to determine a sudden abnormality of the motor, the belt, or the like, and notify the user.

According to the third aspect of the present invention, a rotation speed input means for inputting the cumulative rotation speed of the kneading blades during the kneading process, and an input for storing the cumulative rotation speed input by the rotation speed input means. Rotation speed storage means, cumulative rotation speed display means for displaying the input cumulative rotation speed, display control means for controlling the cumulative rotation speed display means in accordance with the output of the input rotation speed storage means, By providing kneading stabilization means for controlling kneading in accordance with the output from the rotation number storage means and the cumulative number of rotations output from the input rotation number storage means, the rotation number input means allows the user The accumulated rotation speed of the kneading is stored and set, and the state of the dough according to the taste can be created. In addition, the next time the use is performed, the previously set accumulated rotation speed can be displayed and used, so that the usability is good. .

Further, according to the present invention, a kneading time display means for displaying kneading time and a display for controlling the kneading time display means in accordance with the kneading time outputted from the kneading time storage means. By providing the control means, the number of kneadings set last time and the time of last kneading can be displayed, so that the user can know the standard of the kneading time this time, and the usability is good.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an automatic bread maker according to a first embodiment of the present invention.

FIG. 2 is an electric circuit diagram of the automatic bread maker.

FIG. 3 is a flowchart showing the operation of the automatic bread maker.

FIG. 4 is a diagram showing the relationship between the cumulative number of revolutions of the automatic bread maker and kneading performance.

FIG. 5 is a motor driving waveform diagram of the automatic bread maker.

FIG. 6 is a side sectional view of an automatic bread maker according to a second embodiment of the present invention.

FIG. 7 is an electric circuit diagram of the automatic bread maker.

FIG. 8 is a flowchart showing the operation of the automatic bread maker.

FIG. 9 is a side sectional view of an automatic bread maker according to a third embodiment of the present invention.

FIG. 10 is an electric circuit diagram of the automatic bread maker.

FIG. 11 is a flowchart showing the operation of the automatic bread maker.

FIG. 12 is a side sectional view of an automatic bread maker according to a fourth embodiment of the present invention.

FIG. 13 is an electric circuit diagram of the automatic bread maker.

FIG. 14 is a flowchart showing the operation of the automatic bread maker.

FIG. 15 is an overall configuration diagram of a conventional automatic bread maker.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 firing chamber 2 heater (heating means) 3 pan case 4 motor 7 mixing blade 9 thermistor (firing chamber temperature detecting means) 13 operating means 13a switch (rotation speed input means) 14 control means 14d display control means 14e rotation speed measurement means 14f Cumulative rotation speed storage means 14g Kneading stabilization means 14h Kneading time measuring means 14i Kneading time storage means 14j Input rotation speed storage means 15 Display means 15a Abnormal rotation display means 15b Cumulative rotation speed display means 15c Kneading time display means

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshikatsu Maeda 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-63-188341 (JP, A) 107043 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47J 37/00 301 A21C 13/00

Claims (4)

(57) [Claims] 1. A baking chamber having heating means, a baking mold removably mountable in the baking chamber, a dough blade provided at an inner bottom of the baking mold and driven by a motor, and a motor driven by a motor. Motor control means for controlling, firing chamber temperature detecting means for detecting the temperature in the firing chamber, rotational speed measuring means for measuring the rotational speed of the mixing blades, and accumulating the rotational speed output from the rotational speed measuring means. And a kneading stabilizing means for controlling the number of revolutions of the motor so that the kneading performance is constant in accordance with the output from the cumulative number of rotations storing means during the kneading process. Bread machine. 2. A kneading time measuring means for measuring a kneading step time, a kneading time storing means for storing kneading time, a rotation abnormality display means for notifying an abnormality of a motor or a belt, and the kneading time measuring means. 2. The automatic bread maker according to claim 1, further comprising: display control means for controlling the rotation abnormality display means in accordance with an output from the kneading time storage means. 3. A number-of-revolutions input means for inputting the cumulative number of rotations of the kneading blades during the kneading process; an input number-of-rotations storage means for storing the cumulative number of rotations input by the number-of-revolutions input means;
And accumulated rotation number display means for displaying the accumulated rotation number that has been input, and a display control means for controlling the accumulated rotation number display means according to an output of the input rotation speed storing means, the accumulated times <br/> rotation the output from the number storage means, in accordance with the accumulated rotation number output from the input rotational speed storing means, automatic bread making machine of claim 1, wherein and a kneading stabilizing means for controlling the kneading. A kneading time display means for displaying 4. A kneading time, according to claim 2 comprising a display control unit in response to the kneading time outputted from the kneading time storage means performs control of the kneading time display means Automatic bread maker.