JP3063749B2 - Cooking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking device used in ordinary households.

[0002]

2. Description of the Related Art As shown in FIG. 10, a conventional cooking device comprises a heating chamber for accommodating an object to be heated and cooking, and an energization control section 7 'for energizing the far-infrared heater 3. Based on the temperature information from the temperature sensor 5, the microcomputer 9 controls the far-infrared heater 3 to be energized by the energization control unit when the temperature is lower than the set temperature, and to stop energization when the temperature is equal to or higher than the set temperature. I was Further, a window made of glass or the like for confirming the cooking condition of the object to be heated as shown in FIG. 2 is provided.

[0003]

However, in the conventional configuration, if the time during which the heater is turned off due to the temperature control function during heating cooking is long, there is a feeling of anxiety that the heater may be out of order. There is also a problem that the heating chamber is difficult to see when used in a dark place, and it is difficult to confirm the cooking condition of the object to be heated. Also,
If a display device and a light source are separately provided in addition to the heater in order to brighten the inside of the heating chamber, the cost increases.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a heating apparatus for storing and heating an object to be heated.
Chamber, and a far-infrared heater mounted in the heating chamber
A near-infrared heater that can be a light source;
An energization control unit for energizing the heater, and a temperature in the heating chamber.
And a temperature sensor for measuring the temperature.
The far-infrared heater when the temperature sensor signal is higher than the specified temperature
Off, and turn on the far-infrared heater below the specified temperature.
And for a predetermined time regardless of the temperature of the heating chamber
Characterized by forcibly energizing the near infrared heater
In a heating cooker , the near-infrared heater is forcibly energized regardless of the temperature of the heating chamber for a predetermined time even when the energization of the heater is stopped when the inside of the refrigerator is in a high temperature state. It can be seen that the device operates normally when the power is supplied. Further, if a relatively bright heater that can be used as a light source when a near-infrared heater is energized is used, anxiety can be further reduced, and the heating chamber can be brightened to check an object to be heated.

If the near-infrared heater is forcibly energized by moving a door for storing an object to be heated in the heating chamber, the heating chamber can be checked even in a dark place.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is a heating chamber for storing and heating an object to be heated, a far-infrared heater mounted in the heating chamber, and a near-infrared ray which can be a light source.
A heater, an energization control unit that energizes the far-infrared heater, and a temperature sensor that measures the temperature in the heating chamber, wherein the energization control unit activates the far-infrared heater when a signal from the temperature sensor is equal to or higher than a predetermined temperature. Turn off and below the specified temperature
A heating cooker characterized by turning on the far-infrared heater and forcibly energizing the near-infrared heater for a predetermined time regardless of the temperature of the heating chamber.

[0007] According to a second aspect of the invention, after the lapse of cooking of a predetermined time after the start, the heating cooker of claim 1 Symbol mounting, characterized in that forcibly energized for a predetermined time near infrared heater.

[0008] According to a third aspect, the heating cooker of claim 1 Symbol mounting, characterized in that forcibly energized for a predetermined time near infrared heater from the start of cooking.

[0009] The invention of claim 4, wherein, the heating cooker of claim 1 Symbol mounting, characterized in that forcibly energized for a predetermined time near infrared heater over the cooking start after multiple.

[0010] According to a fifth aspect, be higher than the heating chamber is a first predetermined temperature to energize the near-infrared heater predetermined time except a predetermined period of time the same or different temperatures above the first predetermined temperature 2. The heating cooker according to claim 1, wherein the near infrared heater is turned off.

According to a sixth aspect of the present invention, the near-infrared heater is forcibly energized for a predetermined time after the door for storing the object to be heated is moved in the heating chamber. 1
The heating cooker described above.

[0012] The invention of claim 7, wherein the heating cooker of claim 1, wherein the forcibly energizing between near-infrared heater is moving the door for accommodating the article to be heated in the heating chamber And

The invention according to claim 8 is the heating cooker according to any one of claims 1 to 8, wherein the near-infrared heater uses a halogen lamp or an argon lamp.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) In FIG. 1, a heating chamber 2 is provided in a main body 1, and a far-infrared heater 3 such as a Milacron heater and a near-infrared ray usable as a light source such as a halogen lamp or an argon amplifier are provided in the heating chamber. A heater 4, a temperature sensor 5 for detecting the temperature in the heating chamber, and a grill 6 are arranged. Reference numeral 7 denotes an energization control unit A for energizing the far-infrared heater 3, and reference numeral 8 denotes an energization control unit B for energizing the near-infrared heater. Reference numeral 9 denotes a microcomputer, which is a temperature sensor 5 during cooking.
A signal is sent to the energization control units A and B according to the signal from the control unit A, and the on / off control of the far-infrared heater 3 and the near-infrared heater 4 is performed. A signal is output to turn on and off the near infrared heater 4. The above configuration is an embodiment of the present invention, and a configuration including only a near-infrared heater or the like alone may be considered as a heater configuration.

In FIG. 2, reference numeral 12 denotes a window made of glass or the like for observing the degree of baking of an object to be heated in a heating chamber. At the start of cooking, during cooking, or the like, even when the temperature of the heating chamber is higher than the set temperature and the far-infrared heater 3 and the near-infrared heater 4 must be turned off, the microcomputer 9 controls the energization controller A to control the near-infrared heater 4. Is turned on for a predetermined time to brighten the heating chamber, clearly indicating that the heating cooker is operating reliably, and confirming the degree of baking of the object to be heated in the heating chamber.

Next, the operation flow will be described with reference to the operation flowchart of FIG. When the cooking is started, it is checked in step (101) whether the predetermined time has elapsed.
In 2), the near-infrared heater 4 (an argon lamp is used in the embodiment) is turned on regardless of the temperature of the heating chamber. After turning on the argon lamp 4 for a predetermined time (for example, 5 seconds) in (103), the argon lamp 4 is turned off in (104). In the following, an example of the operation during the heating and cooking will be described. In step (105), the temperature information of the temperature sensor 5 is input, and it is confirmed whether the value is lower than the set temperature for cooking (106). If it is low, the far infrared heater 3 at (107)
And the argon lamp 4 are energized, and if high, the far infrared heater 3 and the argon lamp 4 are turned off at (108). (1
At 09), it is checked whether the cooking time has elapsed. If the cooking time has not elapsed, the process returns to (105).

(Embodiment 2) The configuration is the same as that of Embodiment 1, but only a part of the operation will be described with reference to an operation flowchart of FIG. Immediately after cooking is started (102), the only difference is that the argon lamp 4 is turned on regardless of the heating chamber temperature.

(Embodiment 3) The configuration is the same as that of Embodiment 1, but the operation is different.
The operation flow will be described with reference to the operation flowchart of FIG.
When the cooking is started, the temperature information of the temperature sensor 5 is inputted in (111) and it is confirmed whether the value is lower than the set temperature of the cooking (1).
12). If it is low, the far-infrared heater 3 is set at (113).
And the argon lamp 4 is energized. If higher, (11
In step 4), it is checked whether the time after the energization of the argon lamp 4 has ended has exceeded a certain time. If it is longer than the predetermined time, the argon lamp 4 is turned on for a predetermined time in (115) and (116), and the argon lamp 4 is turned off in (117). If it is less than the predetermined time in (114), the process proceeds to (117). If it is determined in (118) that the cooking time has elapsed, it is determined that the cooking time has not elapsed, and the process returns to (111).

(Embodiment 4) The configuration is the same as that of Embodiment 1, but the operation is different.
The operation flow will be described with reference to the operation flowchart of FIG.
When the cooking is started (121), the temperature information of the temperature sensor 5 is inputted, and it is confirmed whether the value is lower than a second set temperature higher than the set temperature of the cooking (122). When it is low, a normal cooking operation is performed. Even if it is high, it is determined whether or not the time after the energization of the argon lamp 4 is completed in (123) is longer than a predetermined time.
At 5), the argon lamp 4 is turned on for a predetermined time (12).
In 6), the argon lamp 4 is turned off, and the process returns to (121). If it is less than the predetermined time in (123), the process proceeds to (126). In the present embodiment, the case where the second set temperature is higher than the set temperature for cooking has been described. However, it is apparent that the same description can be given even if the second set temperature is the same temperature or another temperature.

(Embodiment 5) The configuration is different from Embodiment 1 only in that a door switch 11 is added to FIG. In FIG. 7, when the door 10 is opened to put an object to be heated into the heating chamber, the door switch 11 using a limit switch or the like operates to detect that the door 10 is opened.

Next, the operation flow will be described with reference to the operation flowchart of FIG. Check if the door is open at (131), and when it opens, turn on the argon lamp 4 at (132),
After waiting for a predetermined time in (133), the argon lamp 4 is turned off in (134) when the predetermined time has elapsed.

(Embodiment 6) The configuration is the same as that of Embodiment 5, but the operation is different.
The operation flow will be described with reference to the operation flowchart of FIG.
Check if the door is open in (141) and open it (14)
In step 2), the argon lamp 4 is turned on. At (143), the process waits for the door to close, and when closed, the argon lamp 4 is turned off at (144).

[0024]

According to the first, second, fourth, and fifth aspects of the present invention, even when the heating chamber is in a high temperature state and the heater is off for a long time, the heater is used as a light source for a predetermined time. By making the heating room brighter, it is possible to eliminate the anxiety that the operation may be stopped due to a failure, and it is possible to heat by heating only for a predetermined time so as not to affect the object to be heated. Excessive heating of the object can be prevented. In addition, since a heater for heating an object to be heated is used without providing a separate illumination light or the like, the configuration can be made inexpensively.

According to the third aspect of the present invention, in addition to the effects described above, the heater is turned on as a light source for a predetermined time immediately after the start of cooking to brighten the heating chamber, so that the operation of the appliance can be ensured immediately. Can be notified to the user.

According to the sixth and seventh aspects of the present invention, even if the apparatus is placed in a dark place, the heating chamber becomes bright when the door is opened, so that the object to be heated can be easily confirmed. Since it is not necessary to provide the device, it can be constructed at a low cost.

According to the eighth aspect of the present invention, by using a relatively bright heater which can also be used as a light source such as a halogen lamp or an argon lamp, it is possible to clearly inform the user that cooking is being performed, or to use the heater to be heated. You can check the condition of the product.

[Brief description of the drawings]

FIG. 1 is a block diagram of a heating cooker according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a cooking device showing a first embodiment of the present invention.

FIG. 3 is a flowchart illustrating the operation of the heating cooker according to the first embodiment of the present invention.

FIG. 4 is a flowchart for explaining the operation of the heating cooker according to the second embodiment of the present invention.

FIG. 5 is a flowchart for explaining the operation of the heating cooker according to the third embodiment of the present invention.

FIG. 6 is a flowchart for explaining the operation of the heating cooker according to the fourth embodiment of the present invention.

FIG. 7 is a block diagram of a heating cooker according to a fifth embodiment of the present invention.

FIG. 8 is a flowchart illustrating the operation of the heating cooker according to the fifth embodiment of the present invention.

FIG. 9 is a flowchart illustrating the operation of the heating cooker according to the sixth embodiment of the present invention.

FIG. 10 is a block diagram of a conventional heating cooker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Heating room 3 Far-infrared heater 4 Near-infrared heater 5 Temperature sensor 6 Grid net 10 Door 11 Door switch

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24C 7/04 301 F24C 15/18 A47J 37/08

Claims (8)

(57) [Claims] 1. A heating chamber for storing and heating an object to be heated, a far-infrared heater mounted in the heating chamber,
A near-infrared heater that can be a light source, an energization control unit that controls energization of the far-infrared heater, and a temperature sensor that measures the temperature in the heating chamber, wherein the energization control unit outputs a signal from the temperature sensor at a predetermined temperature or higher. in turns off the far infrared heaters, with turn on the far-infrared heater is lower than the predetermined temperature, a near irrespective of the temperature of the heating chamber for a predetermined time
A cooking device characterized by forcibly energizing an outside line heater. Wherein after the lapse cooking of a predetermined time after the start, the heating cooker of claim 1 Symbol mounting, characterized in that forcibly energized for a predetermined time near infrared heater. 3. The method according to claim 1, wherein the predetermined time from the start of the heating cooking is near red.
Heating cooker of claim 1 Symbol mounting, characterized in that forcibly energizing the external heater. 4. A predetermined time over a plurality of times after the start of cooking, cooking device of claim 1 Symbol mounting, characterized in that forcibly energizing the near-infrared heater. 5. The near-infrared heater is energized for a predetermined time even if the temperature of the heating chamber is higher than a first predetermined temperature, and the near-infrared light is heated at a temperature equal to or different from the first predetermined temperature except for a predetermined time. > heating cooker of claim 1 Symbol mounting, characterized in that to turn off the motor. 6. The heating cooker according to claim 1, wherein the near-infrared heater is forcibly energized for a predetermined time after the door for storing the object to be heated is moved in the heating chamber. 7. The heating cooker according to claim 1, wherein the forcibly energizing between near-infrared heater is moving the door for accommodating the article to be heated in the heating chamber. 8. The cooking device according to claim 1, wherein the near-infrared heater uses a halogen lamp or an argon lamp.