JPS59137727A - Electronic control cooking apparatus - Google Patents

Abstract

PURPOSE:To confirm a state of heat retaining operation and the temperature kept warm at a time by one indicator, by displaying a cooking temperature and the retained temperature in different displaying forms from each other at the time of cooking and heat retaining operation. CONSTITUTION:A control part (d) is so constituted that a respective cooking and keeping warm temperatures are made to display by a displaying part (c) in different displaying forms A, B from each other at the time of cooking and heat retaining operation, in an electronic control cooking apparatus performing the heat retaining operation to keep food at set temperature after completion of the cooking. The displaying form of the displaying part in the heat retaining operation is constituted so as to display setting heating temperature of 90 deg. by flashing.

Description

[Detailed description of the invention] (b) Industrial application fields The present invention relates to an electronically controlled cooking device such as a microwave oven.

(B) Prior art In conventional microwave ovens, the temperature of the food is detected and the food is cooked at a temperature that reaches a desired temperature, so-called temperature cooking. It is configured to enter a heat retention operation to maintain the desired temperature. As a result, the food will not cool down even if you do not eat it immediately after cooking. Furthermore, during the temperature operation, the current food temperature is displayed on the display, and during the above-mentioned keep-warm operation, in order to notify the cook that cooking has finished, the above-mentioned display displays "keep warm" etc. instead of the temperature display. is displayed.

However, with such a configuration, a person can certainly know the heat retention operation state, but cannot know the heat retention temperature. Therefore, in addition to making the above display always display the food temperature from the temperature question to the keep-warm operation, we added another display.
It may be possible to configure the system to display a message such as "keep warm," but in this case, another display would be required, leading to high costs.

(1) Purpose of the Invention The present invention provides a display unit that displays the thermal insulation operation status and the thermal insulation IIfA.
The purpose is to make it possible to check the degree at the same time.

2) Structure of the Invention In order to achieve the above object, the present invention has a heating means (aJ,
A temperature detection means (bl) for detecting the temperature of the food; a display section (shi) for displaying the temperature; a control section (for driving and controlling the heating means (a)) based on the food temperature detected by the temperature detection means (b); In an electronically controlled cooker that is equipped with d) and performs a heat-retaining operation to keep the food at a warm temperature after the desired cooking is completed, the above-mentioned control part 1 (d) does not cause a large amount of heat during the desired cooking time and during the heat-retaining operation. The cooking temperature and the warming temperature are displayed in different display formats, such as the above-mentioned display 1(c).

(e) Examples A microwave oven according to an embodiment of the present invention will be described below.

In Figures 2 and 3, (1) is the microwave oven main body;
(2) is a heating chamber, (3) is a door on the front of the heating chamber that opens and closes on the same day, (4) is a magnetron that oscillates microwaves to heat the food (5), and (6) is a built-in thermistor. The tip of the temperature probe is inserted into the food (5) to detect the temperature of the food (5), and (7) is a front operation part placed on the front of the main body (1), and the operation part has a fourth As shown in the figure, there is a display section (8) consisting of a fluorescent display tube with four old-fashioned parts and a colon, a time key, a temperature key, an output key, a memory key, a start key, and numeric keys from 0 to 9. A keyhole F+91 consisting of the following is provided.

FIG. 5 shows the circuit of the microwave oven, where 101 is a microcomputer (hereinafter referred to as microcomputer) as a control unit that controls the microwave oven, and (ll) is a digital converter for the signal from the temperature probe (6). ) An analog-to-digital converter that converts into the v signal, (121 is a door switch that turns off and on in conjunction with the opening and closing of the door (3), (13
) is a high-voltage supply circuit for supplying high voltage to the magnetron (4), (1) is a commercial power supply, and (I) is the microcomputer (10) that supplies power from the power supply (14) to the above by heating signal M from I. This is a switching circuit for leading to the high voltage supply circuit (13).

Next, we will explain the operation of the microwave oven by using the microcomputer (lO
) will be explained based on a flowchart showing the flow of the program.

After the power is turned on, the program goes through the S1 step, then the normal S2 step.
It is in a standby state to cycle through S3 Nutsfu.

In step S1, the V register, counter, etc. in the microcomputer (10) are cleared. In step S2, when a key is operated on the keyboard (9), the key is detected, and based on the key detection, heating time, temperature, etc. are set and displayed on the display section (8).

In step S3, the presence or absence of a start key operation is determined by the above-mentioned key detection.

Therefore, as the desired tuning, 1 at 100% microwave output.
Microwave heating is performed for a minute (first nutage), and then microwave heating is performed at 80% microwave output until the food temperature reaches 90° C. (second nutage).

First, push the probe (6) into the food (5) and open the door (3).
Close the , and on the keyboard (9), press II Doen [■ Possible l Possible]. Then, in step S2, the output of the first stage is set to 100%, the heating time is 1 minute, the output is 8096, and the heating temperature is 90°C as the second stage. rl
:00J r80J r90cl is displayed.

Then, when you operate the start key, )' Log Tsum is S
2. The process exits the cycle of S3 step and reaches S4 step.

In this step, microwave heating is started based on the output of the first stage.

In this case, the furthest stage is the first stage, and therefore microwave heating is started at 100% output, that is, by continuously outputting the heating signal M. Next 85. In step it is determined whether the current stage is based on heating time or heating temperature. Since this is the first stage and this stage is based on heating time, the program then proceeds to step S6. In this step, every time a 1 second signal is generated in the microcomputer (10), the heating time is counted down by 1 second from 1 minute, and the counted remaining time is sequentially displayed on the display section (8). be done. In the following footstep S7, it is determined whether the remaining time has become 0 as a result of the game count. The program then cycles through 56 and S7 slaps until the remaining 9 hours are O. When the remaining time becomes 0 in such a circulating state, the first stage ends 9, and the program proceeds to step S8. In this step, it is determined whether the next stage is set. In this case, since the second stage is set as the next stage, the program returns to step S47. In addition, if the next stage has not been set,
At the S9 slap, the output of the heating signal M is thereafter stopped, the cooking is not completed, and the program enters a standby state for the next cooking which cycles through the S2 and S3 steps via the S1 step.

Now, in the above step S4, the first nutage to be performed at the moment is the second stage, the output is 80%, that is, the heating signal M is output for 8 seconds at a cycle of 10 seconds, and for 2 seconds. Microwave heating is started by stopping the output. Since the second stage is based on heating temperature, the program then reaches step 510.

In this step, the temperature of the food is detected by the temperature probe (6) and the temperature is displayed on the display (8). Next Sl
In the l step, the food temperature detected above is the heating temperature 90.
It is determined whether the temperature has been reached. Then, the program cycles through steps S10 and Sll until the food temperature reaches 90°C, and when the temperature reaches 90°C, the second stage ends and the program proceeds to step 812, which is similar to step S8. In this step, if the third stage is set after the second stage, the program returns to step S4 and the third nutage is executed. The desired cooking is completed, and the warming operation starts immediately. After the warm-up operation is completed, the program enters a standby state for the next cooking, which cycles through steps S1, S2, and S3.

Next, the above-mentioned heat retention operation will be explained in detail.

In step H1, microwave heating with an output of 200 W is started by outputting the heating signal M for a predetermined period of time at a cycle of 10 seconds). In the next H2 step, the microcomputer (
A constant heat retention time of 1 hour is set in the heat retention counter HOLD in lO). Continued (In the H3 step, the microcomputer (10
1 second is set in the 1 second counter SEC in ). Next, in step H4, the content of the 1 second counter SEC becomes 0.
．． It is determined whether the time is greater than 6 seconds. In this case, 1
seconds, the program reaches step H5. In this step, "C" is displayed on the display section (8). on the other hand,
If the content of the 1 second counter SEC is 06 seconds or less, the program proceeds to step H6. In this step, the set heating temperature of 90°C in the final stage of the desired cooking, in this case the second stage, is displayed on the display (8) as l'-90°C.
It will be displayed as CJ.

In step M<H7, the open/closed state of the door (3) is determined by the detection of the door switch α2). Now the door (3)
is in the closed state and the program then advances to H87. In this step, the heat retention counter HOLD calculates the heat retention time based on the 1 second signal generated in the microcomputer (10).
A one second car position countdown is performed from one hour.

Then, in the next step H9, it is determined whether the content of the heat retention counter HOLD has become 0 or not. At this moment, the content of the counter is not 0, so the program proceeds to the HIO step.In addition, in the above steps H7 and H9, the closed state of the door (3) or the 0 content of the counter HOLD is determined. And the program reaches) 111 Nudep. In this step, the output of the heating signal -qM is thereafter stopped, and the heat retention operation ends.

Now, in the above HIO step, the temperature of the food is measured by the temperature probe (6). In the next H12 slap, it is determined whether the measured temperature is equal to or higher than the preset heating temperature of 90° C. in the final stage of the desired cooking, in this case the 27th tray.

At this point, the second stage has just finished and the measured temperature is 90°C or higher, so the program proceeds to step H13. In this step, the output of the heating signal M is stopped and the microwave heating at an output of 200 W is stopped. On the other hand, if the temperature measured by the above H12 Nutep is smaller than 90°C, microwave heating with an output of 200 W is started in step H14 by controlling the output of the heating signal M. 8) 1
Steps 12, H13, and H14 are for maintaining the food temperature at the set heating temperature of 90°C.

In the next step H15, the 1 second counter SEC counts down by 0.1 seconds from 1 second based on the 0 and 1 second signals generated in the microcomputer (lO). In the following step H16, it is determined whether the content of the one second counter SEC has become zero. Since it is not 0 now, the program returns to the H4 step and returns H4, H5, H7 to HIO.
1H12, 813 (or H14), H15, H16 (hereinafter referred to as the first loop), and when the content of the 1 second counter SEC becomes 0.6 seconds or less, H4, H6,
H7-H10, H12, H13 (or H14), H15
, H16 steps (hereinafter referred to as the 2nd/v-step), and when the content of the 1-second counter SEC becomes 0, the program passes through the H37 steps and similarly returns to the 1st Iv-step.
B, 2nd/v-p.

Thereafter, the steps of %1lv-b, 2nd/I/-p, H37, and fy are repeated in sequence. And heat retention counter H
When the contents of OLD become (), the heat retention operation ends at step H11 as described above.

Now, as can be seen from the above description, the display form of the display section (8) in the second stage of the desired accounting is such that the current food temperature is sequentially displayed as shown in FIG. 7a. Furthermore, the display form of the display section (8) during the above-mentioned heat retention operation is as follows:
As shown in Figure 7, the set heating temperature of 90°C is displayed blinking.

(f) Effect of invention Above song 1. As is clear, according to the invention.

During the heating operation and during the heat retention operation, the dog care temperature and the heat retention temperature are displayed in different display formats, so the heat retention operation status and the heat retention temperature can be checked at the same time on one display, and therefore the chest temperature It is possible to reduce the cost of the mask.

[Brief explanation of drawings]

The drawings show a mobile range according to an embodiment of the present invention, in which Fig. 1 is a schematic configuration diagram, Fig. 2 is a perspective view, Fig. 3 is a sectional view, Fig. 4 is a front view of the keyboard, and Fig. 5 is a block circuit. Figure 6a
, b are flowcharts showing the flow of the microcomputer program, and FIGS. 7a and 7b are diagrams showing the display form of the display unit. (4)...Magnetron, (6)...Temperature probe, (8)...Display 11s, (lol...Microcomputer. Reduced-181-Kyu1 Faction 7N Leap Day A59-137727 (6) Figure 7

Claims (1)

[Claims] +11 A heating means for heating the food, a temperature detection means for detecting the temperature of the food, a display section for displaying the temperature, and a control section for driving and controlling the heating means based on the food temperature detected by the temperature detection means. In an electronically controlled cooker that performs a keep-warm operation to maintain the food at a keep-warm temperature after desired cooking is completed, the control S is configured to display the cooking temperature and keep-warm temperature in different display formats during the desired cooking and keep-warm operation, respectively. An electronically controlled cooking appliance characterized in that the above-mentioned display unit displays the following information.