JPS6149937A - Cooking appliance - Google Patents

Abstract

PURPOSE:To automatically cook foods to suit the user's preference by providing input keys for finished condition of the cooked food so that by operating the keys, the cooking program that is retained may be corrected and memorized. CONSTITUTION:The first memory 12 comprises a ROM that memorizes and stores the action program and cooking program of a micro computer 17. The second memory 13 comprises a RAM that memorizes the cooking program which is read from the first memory 12 in response to the key operation of the main key board. A baffer 16 retains the cooking program that is read from the second memory 13 by the micro computer 17. The micro computer 17 is operated in accordance with the action program memorized in the first memory 12, and controls the operation of a magnetron based on the cooking program retained in the baffer 16 so as to correct the cooking program retained in the baffer 16 for storage in the second memory 13 in response to the key operation on the auxiliary key board 8 that inputs the finishing condition.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cooking device such as a microwave oven that automatically cooks food according to a predetermined cooking program.

[Conventional technology]

In the past, cooking devices such as microwave ovens that automatically adjust food have been developed, and this type of microwave oven is equipped with a microcomputer that stores the heating time and degree of heating for each food item in the computer's memory.

A cooking program consisting of cooking conditions such as heating output is stored, and a predetermined cooking program force is read out from the storage section in response to a key operation on the keyboard, and the Macnetron, which is a heating means, is operated by the computer according to the read cooking program. The operation is controlled and food is automatically cooked.

By the way, in the above-mentioned microwave oven, all the same type of food is automatically cooked according to the same cooking program, so it is easy to set all the cooking conditions for each cooking, and it is easy to operate without having to follow the steps. There are inherent differences, even with meat dishes (some people prefer grilled meat, others prefer it less grilled, etc.), but there are differences in the finished state of automatically cooked food using the same cooking program. The downside is that it doesn't suit my tastes, and it lacks practicality.

Therefore, a microwave oven (Japanese Patent Application No. 58-144042) has been proposed in which the cooking conditions of the cooking program stored in the storage section of the computer can be modified.

[Problem that the invention attempts to solve]

However, with this type of microwave oven, the user can select the heating time, heating output, etc. to suit his or her preference during or after cooking.

The user has to input the information to correct the cooking program, which places a great burden on the user, and the user cannot tell whether the corrected cooking program matches the user's preferences until he or she tries cooking. Otherwise, it is necessary to repeatedly input the heating time, etc., which is very time-consuming and difficult to use.

[Means for Solving the Problems] Therefore, the present invention makes it possible to automatically cook food in a finished state and condition that matches the user's preference by modifying the cooking program with a simple operation, Powerful heating means and heating time for cooking food.

A storage means that stores all cooking programs consisting of cooking conditions such as heating output, and a storage means that reads out the cooking program from the storage means and stores it in the holding means, and reads out the cooking program from the storage means and stores the cooking program based on the cooking program held by the holding means. ? A control means for regulating the operation, and an input key for indicating the finished state of the food cooked by the heating means, such as overcooked, normal, undercooked, etc., and is held in the holding means according to the operated key. The cooking apparatus is characterized in that it is provided with a modification means for modifying the cooking program and storing the modified cooking program in the storage means.

[Effect]

Moreover, this invention allows the finished state of food cooked according to a predetermined cooking program to be overcooked or normal.

Is it undercooked? (Judging if you are using Y
1% The heating time of the cooking program held in the holding means so that the food is finished in the optimum state for the user by operating the input key of the positive means.

The heating output etc. are corrected, the cooking program is corrected, the corrected cooking program is newly stored in the storage means, and when cooking the next food, the next food is adjusted according to the user's preference according to the corrected cooking program. The food is cooked to the desired finish.

〔Example〕

The present invention will now be described in detail with reference to drawings showing an embodiment of the invention applied to a microwave oven.

First, from Figure 2 to Figure 3, l+I is an electronic renocine body, (2) is a door that opens and closes the cooking t formed in the main body (1), and (3) is a door (to the right of 21). The handle (, 1) is provided on the front right end of the main body flll, and the handle (, 1) is located on the right edge of the front of the main body. The operating panel (8) is a sub-keyboard which is a correction means that is slidably provided in the opening at the bottom of the nosafu (6) and can appear and retract freely. 7
10 heat, normal 2 underheat keys (92), (9b)
, (9C), clear key (9d).

The end key (9e) and each of the above-mentioned finishing conditions and conditions are further divided into 4 stages, troublesome j; /N6 of the rear surface of the flange αQ of the front end and the periphery of the opening
The contact point (11a) of the limit switch that detects the appearance and retraction of the sub-keyboard (8) at the lower end of the panel (6) and the activation 1=
i (llb) respectively.

Next, FIG. 1 showing the block configuration will be explained.

In the figure, +121 represents the operation program of the microcomputer and the heating time for each food item, which will be described later.

Memorizes cooking programs consisting of cooking conditions such as heating output,
The first memory (131, is i
The microcomputer (to be described later) stores the first memory +121 in response to key operations on the main keyboard (7).
A second memo, which is a memory means consisting of a RAM, stores a predetermined cooking program that is read and retrieved from the computer.
14+ is the second memo IJ [/\rackup power supply for preventing memory content loss of 131, (15) is the power supply #u4], and the output voltage of the second memo IJ (131 is compared with the memory retention voltage of 131), and the output voltage is a voltage comparator that outputs a full comparison signal to a microcomputer (to be described later) when the voltage has dropped below the holding voltage (161 is a holding means for holding a cooking program read out from a second memory (131) by the microcomputer (to be described later); A certain buffer, Q7) is a microcomputer (hereinafter referred to as microcomputer) that is a control means, and is reset by inputting a reset signal when the power is turned on, and operates according to the operation program stored in the first memory IJ (+21). The operation of a magnetron (not shown), which is a heating means, is controlled based on the cooking program held in the buffer 00, and the cooking program held in the buffer 1 is controlled according to the operated key on the sub-keyboard (8). It is corrected and stored in the second memory α3.

Next, FIG. 4 showing the connections of both keyboards +41 and (81) will be explained.

Same picture, +181, (191 is both keyboard 1
'+41, (8117) key matrix,
At the intersection of each row line and each column line, each key (6) of the main keyboard (4) and each key (9a) to (
91) are cross-connected. (20) is the first line which is provided between each row line of the key matrix [+81 and each key signal input terminal of the microcomputer α power, and whose control terminal is connected to the power supply terminal (10B) via the resistor (R,)i. Bidirectional switch, I
n is a control terminal provided between each row line of the key matrix (I9) and each of the key input terminals, or a second bidirectional terminal connected to the 1frt control terminal of the first bidirectional switch 2ω by valving the inverter I221. Switch, (231 has one end grounded and the other end connected to a resistor (R).
) is a limit switch connected to the key matrix (19), and when the keyboard (keyboard) is pulled out, the switch 123) is turned off and the two-way switch (20+, i7!It is turned off and on, respectively), and only the signal from the key matrix (19) is turned off. is the second two-way switch (microcontroller 07 via 2+1i)
input to the key input terminal.

Next, the operation of the embodiment will be explained with reference to the flowcharts shown in FIGS. 5 and 6.

As shown in FIG. 5, after the power is turned on, the microcomputer Q71 determines whether or not automatic cooking is to be performed in step S1.
Then, the process moves to step S2, and in step S2, it is determined whether or not the start of cooking has been instructed by operating the start key of the keyboard (4), and the answer is N.

Press to move to other processing, and press YES to step S3.
In step S3, the contents of the buffer (161) are cleared by the microcomputer (171), and then the keyboard (
4), a predetermined cooking program is read out from the first memory (121) by the microcomputer (+71) and stored in the second memo IJ (13), is held in the buffer (161, and is read out by the microcomputer (171) from the first memory (121). Memory 1121
The food is cooked according to the automatic cooking operation program stored in the automatic cooking operation program and the circular program held in the buffer α61, and it is determined in step S4 whether or not cooking of the food has been completed.

Then, if NO in step S4, the process moves to other processing, and if YES, the process moves to step S5. In step S5, the keyboard (8) is pulled out and the switch (c) is turned off, so that the keyboard (8) can be used. It is determined whether or not the first two-way switch is turned off by turning off the switch (23) and switching to the key fob (41). is in an unusable state, that is, in an off state, and in step S7, step S
Each key (9a) to (9c), (9
f)-(9i) (Input by the D operation to move to the 1'ω normal sequence of the cooking program shown in FIG. 6.

That is, as shown in FIG. 6, in steps R and I, the microcomputer (171) determines whether or not the operated key is the overheating key (9a).
7' Move to R2, 8 in step R2! r" is determined whether the key is a normal key (9b), and N
If O, the process moves to step R3K, and in step R3 it is determined whether it is the swept key or the underheated key (9c), and if NO, the process returns to step RIK, and step R1tl-
If the answer is YES, the process goes to step R4, where the initial heating time T of the cooking conditions of the cooking program held in the buffer f161 in step S3 is (T-6).
0 seconds) and moves on to step R5, and similarly passes through step R31 with YES, in step R6, the initial heating time T is replaced with (T+60 seconds) and moves on to step 1-5, and steps R, 2eYES
If it passes, the process directly advances to step R5.

Then, in step R5, the microcomputer (171) loads the buffer (16) in the previous step S3.
The heating output for the cooking conditions of the cooking program held at.

That is, it is determined whether the output of the Macnetron is the full power 100 yen or not, and if YES, the process moves to step R7, and in step R7, it is determined whether or not the first split key (9f) of the keyboard (8) has been operated. If the answer is YES, the process moves to step R8, and the above-mentioned step R4 or R
The heating time T replaced in Step 6 or the buffer (or the original heating time T held in Ifj (T+24 seconds) when passing through step R2 with YES, or transitioning to step R9 with No). In step R9, it is determined whether or not the second split key (9g) of the keyboard (8) has been operated, and if YES, the process moves to step RIO, where the heating time T replaced in step R4 or R6 or the step It is replaced with the original time T (T+12 seconds) held in the buffer 1161 when R2 was passed with YES, and N.

Then, the process moves to step R11.

At the same time, in step R11, it is determined whether or not the third division key (9h) of the key fob (8) has been operated, and if YES, the process moves to step R12, where the initial heating held in the buffer 061Vc at the time of the above operation is performed. Time T? (T
-12 seconds), and if NO, the process moves to step R13, where it is determined whether or not the fourth split key (9I) of the key fob (8) has been operated.
If YES, proceed to step R14, and perform the step R described above.
4 or the heating time T replaced by 3 in R6, or the buffer (1
When the initial heating time T held at step 61 is replaced with (T-24 seconds) and passed at step R13'kNO, the heating time is replaced at steps R, 8, R10, R12, and FL14, respectively. After that, the process moves to step R15 in the same way as in step R15, and in step R15, the process returns to step S8 of the cooking sequence shown in FIG.

At this time, the user determines the finished state of the cooked food or whether it is undercooked, operates the undercooking key (9C), and selects a correction sequence from step R, 6 to step R5.
Step R8・RIO・R12・R14=l[
'xilvrijii%, each su-r 7' R8,R
The heating time replaced in IO, R12°R14 is determined by the buffer (
16), (T+84 seconds), (T+72 seconds), (T+4
8 seconds).

(T+36 seconds) and step ]'%7. R
9゜R11, R13it Hete NO Te A] Dl, Tatoki (
7) Add (T+60 seconds) and (T+84 seconds) then (T+
The heating time will be adjusted in 5 steps from 12 seconds (36 seconds) to 12 seconds (36 seconds), and the overheating key (9a ) or the normal key (9b) is operated and the correction sequence advances from steps R2 and R4 through steps ■±5 to step R7 and onwards, similarly, from (T+24 seconds) to ( The heating time will be modified in 5 steps every 12 seconds from (T-24 seconds) and 05 steps of 12 seconds from (T-36 seconds) to (T-84 seconds). The output remains at full power, and the initial heating time T is (T+
84 seconds) to (T-84 seconds) in 15 steps every 12 seconds.

Also, in step R5, the microcomputer (17)
If it is determined in step S3 that the heating output of the cooking conditions of the cooking program held in the buffer (161) is not full power, the process moves to step R16,
In step R16, it is determined whether or not the first division key (9f) of the key fob (8) has been operated.If YES, the process moves to step R17, and in step S3 described above, the cooking program held in the buffer (16) is The initial heating output P l:4] which is the magnetron output is CP
+6%), and if No, the process moves to step R18fC, and in step R18, the second
It is determined whether the split key (9g) was operated or not, and Y
With ES, move to step R19 and set the initial Ka1 Tsuru output P or (P + 3%) to 1, and with No, step R20
to move to.

Finally, in step R20, it is determined whether or not the third division key (9h) of the keyboard (8) has been operated, and if YES, the process moves to step R21 and the initial heating output P is determined.
(P-3 jealousy), and if NO, step R, 2
2, and in step R, 22, the keyboard (8
), it is determined whether the fourth division key (91) has been operated or not, and if YES, the process moves to step R23, where the initial heating output P is replaced with CP-6), and step R22i
If it passes with NO, steps R17, R19, R21,
After the original heating output is replaced in R23, the process moves to step R24 and the correction sequence ends, and in step R24, the process returns to step S8 of the cooking sequence shown in FIG. 5.

At this time, the user operates the overheating key (9a), normal key (9b), or undercooking key (9C) after determining that the cooked food is undercooked, overcooked, or undercooked. , the modification sequence is step R
Steps R, 17, R19, R21, and R23 are proceeded from each of Steps 4, R2, and R6 via the stamp box 5; if the steps proceed sequentially, the initial heating time is T (T-60 seconds).

After each adjustment was made at T and (T+60 seconds), the heating output was determined for each correction time (P+6 section).

(P+3%), (P-3%), (P-6%)vc
l:'F; Corrected and further steps R16, R18, R
20, R22 are all N O7 = The uncorrected heating output P when passed is corrected in 5 stages, and the correct combination of heating time and heating output is 15 stages.

When the process returns to step S8 of the cooking sequence shown in FIG. 5, the microcomputer (171) determines whether or not the end key (9e) of the keyboard (8) has been operated.
Then, the process returns to step 571C, and if YES, the process moves to step S9. After the cooking program is modified, it is determined in step 810 whether or not the limit switch is on.If NO, the limit switch is stored in the keyboard (8) or the main body (1). If it is Y'E S, it is determined that the keyboard (8) is stored in the main body fil, and the process moves to step S11. The new cooking program after modification saved in the second memo IJ (+3
) is newly written and stored, and the process moves on to the next step in step 812, after which the same type of food is cooked based on the new cooking program modified as described above. ) After performing the all selection operation, further modifications to the modified cooking program can be made by repeating the above operations.

In addition, for other types of foods, the cooking program may be modified to suit the user's preference using the same operating procedure as described above.

Incidentally, in the above embodiment, the key fob (8) has four divided keys, but it may be possible to use five or more keys so that the entire cooking program can be roughly and finely modified.

〔Effect of the invention〕

According to the cooking device of the present invention, after the first cooking is completed, the user can simply enter the determined finished state of the food by key operation on the keyboard (8), and the cooking conditions such as υ0 heat time can be determined. There is no need to select values, and the cooking program can be modified to cook subsequent foods to suit the user's tastes.Moreover, the modification sequence f(S) allows the heating time and heating output values to be adjusted. Keyhole 1' (8) vD J":> Automatically selects and corrects the keys according to the operation key, so it can be adjusted to suit the user's preference with a single operation, without having to repeat all the corrections many times as in the past. It is possible to correct the cooking program in this way, improve operability, and obtain significant effects.

[Brief explanation of the drawing]

The drawings fully show one embodiment of the cooking device of the present invention, FIG. 1 is a block diagram, FIG. 2 is an εF view, FIG. 3 is a partial plan view, and FIG. 4 is a partial wiring diagram. , 435 and 6 are flowcharts for explaining the operation, respectively. (8)--Sub keyboard, (9a) to (9C)
...Key, 13+ -2nd memory, (+S+ buffer, 0η...Microcomputer. Agent Patent Attorney Fuji 1) Ryutabe S1 Figure. Figure 6

Claims (1)

[Claims] (1) A heating means for cooking food; a storage means for storing a cooking program consisting of cooking conditions such as heating time and heating output; and a storage means for reading out the cooking program from the storage means and holding it in a holding means; A control means for controlling the operation of the heating means based on the cooking program held by the heating means, and an input key for inputting the finished state of the food cooked by the heating means, such as overheating, normal heating, undercooking, etc. and a modifying means for modifying the cooking program held in the holding means in accordance with the key pressed and storing the modified cooking program in the storage means.