JPH0718883Y2 - Food heating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the operation of a food heating device, in particular, a food heating device in which a high frequency heater having a separate heating chamber and a toaster are housed in a single casing. It relates to improved control.

[Prior Art] In general households, microwave ovens, ovens, toasters and the like are widely used as food heating devices.
In recent years, such a food heating device is multi-functionalized, and a device having a microwave oven, an oven, and a toaster function is used by one device.

In such a conventional multi-functional food heating device, when the functions of a microwave oven and an oven are used, the space of the heating chamber is almost the same size because of the commonality of heating various kinds of foods. Things are needed. Therefore, there is no problem even if the heating is performed in the common heating chamber.

However, when the toaster function is used, the object to be heated is limited to sliced bread, etc., so heating in a heating chamber with a large space such as a microwave oven or an oven can make the toaster function well. Can not. That is, in order to bake the toast with a good taste, it is necessary to bake in a short time before the water contained in the bread does not evaporate. In the case of baking, there was a problem that the toast could not be baked deliciously because it could not be efficiently heated.

Based on this problem, the present applicant has proposed a food heating device in which a heating cooker and a toaster each having a separate heating chamber are incorporated in one casing.

FIG. 3 is a perspective view showing an example of a food heating device in which such a heating cooker and a toaster are combined, and the casing (1) has a toaster (2) in the upper stage and a heating cooker (3) in the lower stage. Are incorporated respectively.

The toaster (2) and the heating cooker (3) each have a separate heating chamber, and the heating chamber of the toaster (2) is formed in a smaller space than the heating chamber of the heating cooker (3). It is said that sliced bread can be baked efficiently.

[Problems to be Solved by the Invention] However, in the device in which the toaster and the heating cooker are incorporated in one casing as described above, since the power supply unit and the like are shared, the current allowable range of the outlet or the like is exceeded. It was necessary to set the power consumption of the toaster (2) and the cooking device (3) so that there was no such problem.

In general households, outlets and plugs with a rated current of 15A are often used, and both the toaster (2) and heating cooker (3) need to have 1500W or less. ) Is set to 750W and the cooking device (3) is set to 750W.

However, under such limitation of electric power, there is a problem that the electric power for making the heating function of the heating cooker sufficient can not be secured. Then, in order to solve such a problem, the rated power consumption of the heating cooker (3) may be set to a sufficient value of about 1000 W to 1200 W so that it cannot be used simultaneously with the toaster (2). Conceivable. For example, it is conceivable to prevent the other from operating even if an instruction to operate the other is given during the operation of either one. However, in the case of such an operating system, in the morning when the usage frequency is high,
There is a problem that the switch operation for instructing the other operation cannot be performed until the operation of one is completed, and the usability is poor.

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the rated power consumption of a heating cooker and a toaster incorporated in one casing is set to a sufficiently large size and is easy to use. To provide a food heating device.

[Means for Solving the Problems] In order to achieve the above object, the food heating apparatus according to the present invention is a food heating apparatus in which a heating cooker having a heating chamber and a toaster are incorporated in one casing. In the above, based on the operation keys provided corresponding to each of the heating cooker and the toaster for instructing the start of operation of each of the heating cooker and the toaster by an ON operation of the operator, and the ON operation of each of these operation keys. An operation switch that is turned on to enable supply of electric power to each of the heating cooker and the toaster, and a control unit that adjusts the on / off of each operation switch. The heating switch corresponding to the operation key that was turned on first ends the operation switch that was turned on, and that operation switch is turned off. Control unit for controlling the switch to be in the off state until both of them are turned on so that both of them are not turned on at the same time.

[Operation] According to the food heating device having the above-described configuration, when the operator turns on the operation key, an instruction to start the operation of either the heating cooker or the toaster is given, and the operation switch corresponding thereto is turned on. By the ON operation of this operation switch,
The corresponding induction heater or toaster is activated.

Next, when the other operation key is turned on during operation of either the cooking device or the toaster, the control unit prevents the operation switch corresponding to the operation key that was turned on later from immediately turning on. Control. That is, it is controlled so that it does not turn on until the heating operation of the one turned on first ends, and turns on immediately after the end of the operation.

With this, it is possible to effectively prevent the heating cooker and the toaster from being operated at the same time, and even if one of them is in operation, the other operation key is turned on to end the operation of one of them. It is possible to reserve in advance so that the other heating unit is activated immediately afterwards.

Therefore, by putting food and bread in the heating cooker and the toaster respectively, and turning on the operation keys in the order in which they are to be operated, each heating section operates in sequence, so that one heating operation is completed. There is no need to perform a troublesome operation of waiting and operating the other operation key again.

[Embodiment] A preferred embodiment of a food heating apparatus according to the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic circuit configuration diagram showing the overall configuration of the embodiment, in which a toaster (2) and a high-frequency heater (3) as a heating cooker are incorporated in a casing (1).

(4a) is an operation key for instructing the start of operation of the toaster (2), and (4b) is an operation key for instructing the start of operation of the high frequency heater (3). These operation keys (4a)
And (4b) are provided on the operation panel on the front surface of the casing (1) and are manually operated by the user.

(5) is a power plug, and an operation switch (6) for the toaster (2) is provided in the electric circuit of the toaster (2) connected to this power plug (5). This operation switch (6) controls the cutoff and supply of electric power to the toaster (2) by its opening / closing operation.

Next, in the electric circuit of the high frequency heater (3) connected to the common power plug (5), the first safety switch (7) that opens and closes in conjunction with the opening and closing operation of the open / close door of the high frequency heater (3). )
And a second safety switch (8), and further a monitor switch (9) which is closed urgently when these safety switches (7) and (8) do not operate due to a failure. By closing the monitor switch (9), the fuse (10) is blown to prevent itself.

Further, an operating switch (11) is provided in the circuit of the high frequency heater (3) as in the circuit of the toaster (2), and the operating switch (11) opens and closes the high frequency heater ( This is to switch off and supply of electric power to 3).

The operation switch (6) for the toaster (2) and the operation switch (11) for the high frequency heater (3) are switched based on the operation of the operation keys (4a) and (4b) by the operator. That is, basically, when the operator turns on the operation key (4a), the operation switch (6) for the toaster is closed and power is supplied to the toaster (2). Then, after the bread is heated for a predetermined time, the operation switch (6) is opened. Then, when the operator turns on the operation key (4b), the operation switch (11) for the high frequency heater is closed, and power is supplied to the high frequency heater (3). Then, after the high frequency heating for a predetermined time, the operation switch (11) is opened.

(12) is a control unit provided in the casing (1), and this control unit detects the operation state of the operation keys (4a) and (4b) to detect the operation switches (6) and (11). The opening and closing are adjusted and controlled. This control is operated by the operation key (4a)
And (4b) to actuating switches (6) and (11) respectively
When it is instructed to turn on (close), the operation switch corresponding to the operation key that was turned on later was opened by the end of the heating operation. It is controlled to turn on later.

Next, an example of the operation of this embodiment will be described with reference to FIG.

First, when only the toaster operation key (4a) is turned on, a signal instructing the operation start of the (100) toaster (2) is sent to the control unit (12), and the control unit (12) operates the toaster. The switch (6) is turned on (104). As a result, electric power is supplied to the toaster (2), and the toaster (2) heats the bread in the heating chamber for a predetermined time.

Next, when the operation key (4b) for the high-frequency heater is turned on, an operation start instruction signal is sent to the control unit (12) (106). In the control unit (12), the toaster (2) that has been turned on first is sent. ) Is monitored by, for example, detecting the on / off state of the operation switch (6) (10
8), When the operation switch (6) is closed and the toaster (2) is still performing heating operation, the operation switch (11) for the high frequency heater is not turned on immediately but maintained in its off state. To control.

Then, when the toaster (2) finishes heating for a predetermined time and the operation switch (6) is opened, the control unit (12) detects this and immediately starts the operation switch (1) for the high frequency heater.
Turn on 1) to supply power to the high frequency heater (3) (1
Ten). Also, the operation key (4b) for the high-frequency heater is first turned on (106), and then the operation key (4b) for the toaster.
When a) is turned on (100), contrary to the above operation, the toaster operation switch (6) turns off when the high frequency heater (3) has finished heating. It is adjusted and controlled until (108, 110). If the other operation switch (6) or (11) is not in the ON state when the operation keys (4a) and (4b) are turned on (102, 108), the operation key that is turned on immediately is corresponded. The activation switch is turned on (104, 110).

As described above, according to the above-described embodiment, power is not supplied to the toaster (2) and the high frequency heater (3) at the same time, and even when the rated power consumption of the high frequency heater (3) is set sufficiently high, The operator can operate the operation keys (4a) and (4b) with peace of mind. Further, it is also possible to turn on the other operation key while either the toaster (2) or the high frequency heater (3) is operating, and at this time, the control unit (12) operates first. At the same time when the heating of the existing heating unit is completed, the other operation switch is turned on to start the power supply, so that it is possible to turn on the operation key of the one that is not performing the heating operation in advance. Therefore, it becomes possible to reserve the operation, which improves the usability of the operator.

The safety switches (7), (8) and the monitor switch (9) incorporated in the electric circuit of the high frequency heater (3).
Is provided in order to prevent the high frequency from leaking to the outside when the opening / closing door of the high frequency heater (3) is opened, and the power supply is immediately cut off when the opening / closing door is opened. Such a safety switch for opening and closing the door is not provided in the electric circuit of the toaster (2) in this embodiment, but a safety switch interlocking with the opening and closing door of the toaster (2) can be provided.

FIG. 2 is an explanatory view showing an example of the operation panel (13) provided on the surface of the casing (1), and includes a timer digital display section (14), a toaster operation section (15), and a heating cooker operation section ( 16) are arranged respectively. The operation key (4a) for the toaster above is the toaster operation section (1
5) is provided inside, and in this example, the start button (15a) performs its function. On the other hand, operation keys for high frequency heater (4b)
Is provided in the heating cooker operation part (16), and in this example, the start button (16a) fulfills its function.

That is, when the start button (15a) for the toaster is turned on and the start button (16a) for the heating cooker is turned on during the heating operation of the toaster, the heating cooker (3) starts heating after the heating of the toaster (2) is completed. Will be done.

In the present embodiment, the device in which the toaster (2) and the high frequency heater (3) are incorporated in one casing has been described, but the present invention is not limited to this, and the heating cooker is not limited to the electronic device. It is also possible to apply to an apparatus that is a high-frequency heater having both functions of a microwave oven and an oven. In this case, when functioning as an oven, the control section (12) similarly adjusts the power supply to the heater and the power supply to the toaster.

[Effects of the Invention] As described above, according to the food heating device of the present invention, in a food heating device in which a heating cooker and a toaster having different heating chambers are incorporated in one casing, By adjusting and controlling the power supply to both, it is possible to avoid simultaneous power supply to both and safety is improved. Then, it becomes possible to set the rated power consumption of each of the toaster and the heating cooker to such a value that the respective functions are sufficiently fulfilled.

Further, it is possible to give an operation instruction for the other heating unit even when one of the heating units is operating, and the troublesomeness of waiting for the completion of one heating operation and then giving the other operation instruction. It has been resolved to improve operability.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment, FIG. 2 is an explanatory diagram showing an example of an operation panel, and FIG. 3 is a perspective view showing an example of a device in which a heating cooker and a toaster are incorporated in one casing,
FIG. 4 is a diagram showing the operation of the embodiment. In the figure, (1) is a casing, (2) is a toaster, (3) is a cooking device, (4a) and (4b) are operation keys,
(6) and (11) are operation switches, and (12) is a control unit. In the drawings, the same reference numerals indicate the same or corresponding parts.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location F24C 11/00 B (56) References JP-A-53-130470 (JP, A) JP-A-62 -245025 (JP, A) Actual Open Sho 58-65798 (JP, U) Actual Open Sho 55-15793 (JP, U) Actual Open Sho 56-64699 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. In a food heating device in which a heating cooker and a toaster each having separate heating chambers are incorporated in a single casing, an operator turns on the heating cooker to start operation of the heating cooker. And a toaster operation key for inputting a toaster-on operation by the operator and instructing to start the operation of the toaster, and an on-operation of each of the heating cooker operation key and the toaster operation key And a control unit that selectively operates one of the heating cooker and the toaster, and is controlled by the control unit to stop the heating cooker.
A heating cooker operation switch to be operated, and the toaster being controlled by the control unit.
A toaster operation switch to be operated, wherein the control unit, if the toaster operation key is turned on while the heating cooker is operating, the heating cooking is finished and the heating cooker operation switch Is turned off before the toaster operation switch is turned off, the heating cooker operation switch is turned off and then the toaster operation switch is turned on, and vice versa. If an on operation is performed on the cooker operation key, the heating cooker operating switch is turned off and the toaster operating switch is turned off before the toast ends and the toaster operating switch is turned off. A food heating device characterized in that the heating cooker operation switch is turned on later.