JP2008071614A - Heating cooking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating cooking device preventing an alarm related to an on-off state of a power source switch from getting hard to catch, without adding a component means. <P>SOLUTION: The device is provided with a combination of heating means 4a, 5a, inputting means 4c, 5c, alarm means 4d, 5d acoustically alarming, and control means 4e, 5e controlling a state of the heating means. Each controlling means 4e, 5e detects an on-off state of the power source switch 2, and only one of the plurality of control means 4e, 5e is to acoustically alarm with an alarm means in relation to the on-off state of the power source switch 2. With this, as the only one of the plurality of alarm means 4d, 5d makes an acoustic alarm in relation to the on-off state of the power source switch 2, an alarm related to the on-off state of the power source switch is prevented from getting hard to catch, without addition of a component means. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a cooking device used in a home kitchen or a commercial kitchen.

  In recent years, this type of cooking device, particularly induction cooking devices, has been recognized and has been widely used because of its excellent features of safety, cleanliness, and high efficiency.

The heating cooker includes a plurality of heating means, and controls the state of each heating means by the operation display unit separately from the control means for controlling the output of each heating means, and changes the state of the heating means. Correspondingly, the notification means is audibly notified, the operation display unit outputs a signal relating to the state of the heating means to each control means, and the operation display unit collectively controls the total power of the plurality of heating means, etc. (For example, refer to Patent Document 1).
JP 2005-158329 A

  However, the conventional configuration has an advantage that it is easy to collectively control the total power of three or more heating means by the operation display unit, but an operation display unit is required separately from the control unit for controlling the output of each heating unit. Therefore, when there are two heating means, the number of main constituent means is two-> three, and the increase rate of the constituent means is large and the cost is high.

  Further, when each of the two heating means drives the notifying means in association with the on / off state of the power switch, the control means and the notifying means for audibly notifying each of the two heating means are controlled. When the detection timing of the ON / OFF state of the power switch is shifted by the means, the notification timing by the notification means is shifted and it becomes difficult to hear.

  An object of the present invention is to solve the above-described conventional problems, and to provide a heating cooker that does not make it difficult to hear a notification associated with an on / off state of a power switch without increasing the number of constituent means. To do.

  In order to solve the conventional problem, the cooking device of the present invention includes a plurality of combinations of heating means, input means, auditory notification means, and control means for controlling the state of the heating means, The control means detects the on / off state of the power switch, and only one of the plurality of control means is audibly notified by the notification means in association with the on / off state of the power switch.

  As a result, only one of a plurality of notification means performs an audible notification associated with the on / off state of the power switch, and does not increase the number of constituent means and associates with the on / off state of the power switch. It is possible to prevent the notification from becoming difficult to hear.

  The cooking device of the present invention can prevent the notification associated with the on / off state of the power switch from becoming difficult to hear without increasing the number of constituent means.

  The first invention includes a plurality of combinations of a power switch, a heating means, an input means, an audible notification means, and a control means for controlling the state of the heating means, and each control means includes the power switch An on / off state is detected, the output state of the heating means is changed based on an input signal from the input means, and the notification means is audibly informed, and any one of the plurality of control means is used. Only in any one of the plurality of notification means, the power switch is associated with the on / off state of the power switch by using a heating cooker configured to be informed by the notification means in association with the on / off state of the power switch. It is possible to prevent the notification associated with the on / off state of the power switch from becoming difficult to hear without increasing the number of constituent means. That.

  In the second invention, in particular, in the first invention, when the control means for performing an audible notification associated with the on / off state of the power switch is malfunctioning, the other control means is associated with the on / off state of the power switch. In the case where the control means for performing the audible notification associated with the on / off state of the power switch is malfunctioning and malfunctioning while obtaining the effect of the first invention by the audible notification by the notification means, Other control means can be audibly informed by the notifying means in association with the on / off state of the power switch, and can be audibly informed as a device related to the on / off state of the power switch.

  According to a third aspect of the present invention, in particular, in the second aspect of the present invention, an audio communication associated with the on / off state of the power switch is detected by detecting a communication failure with the control means for performing an audible notification associated with the on / off state of the power switch. By detecting that the control means for performing the notification is malfunctioning, for example, it is composed of two sets of heating means, input means, notification means, and control means. In the case of a configuration in which communication is performed from a control unit that performs notification associated with an on / off state to another control unit, an auditory notification associated with the on / off state of the power switch is detected without providing a new configuration unit. It is possible to determine that the control means for performing the operation is malfunctioning, and to perform an audible notification associated with the on / off state of the power switch instead.

  According to a fourth aspect of the invention, in particular, in the second aspect of the invention, it is detected that the notification means controlled by the control means for performing an audible notification associated with the on / off state of the power switch is not driven, and the power switch By detecting that the control means for performing the audible notification associated with the on / off state is malfunctioning, it is determined that the notification means for performing the audible notification associated with the on / off state of the power switch is malfunctioning. In addition, an audible notification associated with the on / off state of the power switch can be performed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a heating cooker according to Embodiment 1 of the present invention.

  As shown in the figure, in the cooking device according to the present embodiment, the power switch 2 is constituted by a tact switch, and the power switch detection means 3 indicates the on / off state of the power switch 2 based on the input signal from the power switch 2. Output a signal.

  The power switch detection means 3 switches the on / off state of the power switch 2 alternately from the power switch off state → the power switch on state or the power switch on state → the power switch off state based on the input signal from the power switch 2, The L signal is output when the power switch is off and the H signal is output when the power switch is on.

  In the present embodiment, an example having two induction heating units is shown as an example, and a right induction heating unit 4 and a left induction heating unit 5 are provided. The right induction heating unit 4 is a combination of a heating means 4a composed of a heating coil or the like, an inverter 4b, an input means 4c, an alarming notification means 4d, a control means 4e for controlling the state of the heating means, and a zero point detection means 4f. The left induction heating unit 5 includes a combination of a heating unit 5a, an inverter 5b, an input unit 5c, a notification unit 5d, a control unit 5e, and a zero point detection unit 5f. The input means 4c and 5c are constituted by tact switches and the like, and the notification means 4d and 5d are constituted by buzzers and the like.

  The control means 4e and 5e transmit and receive mutual heating information and the like by serial communication via the first insulating means 6a or the second insulating means 6b of the insulating means 6.

  The control means 4e and 5e control opening and closing of the relay contacts 7a and 7b of the power relay 7, and cut off or connect the commercial power source 1 and the inverters 4b and 5b.

  The zero point detection means 4f and 5f output a signal indicating that the voltage across the commercial power supply 1 is near the zero point.

  The control means 4e and 5e control the inverters 4b and 5b, apply a high frequency current of several tens of kHz to the heating coils 4a and 5a, and inductively heat the pans that are magnetically coupled to the heating coils 4a and 5a.

  The control means 4e and 5e detect the on / off state of the power switch 2 based on the input signal from the power switch detection means 3, and turn off the relay contacts 7a and 7b of the power relay 7 when detecting the power switch off state. When it is detected that the power switch is on, the relay contacts 7a and 7b of the power relay 7 are turned on.

  Further, the control means 4e and 5e are provided in three modes such as a power switch off mode for maintaining heating off when the power switch is turned off, an initial mode for heating off when the power switch is turned on, and a heating mode for heating with a predetermined heating power when the power switch is on. It has an operation mode.

  Further, the control means 4e and 5e receive the input signal from the power switch detection means 3 and the input signal from the input means 4c and 5c as a zero point in order to suppress the influence on the noise of the inverters 4b and 5b superimposed on the input signal. Based on the input signals from the detection means 4f and 5f, an input is made near the zero point of the commercial power supply 1, and the input signal is determined by a continuous coincidence a predetermined number of times.

  Since the zero point detection means 4f and 5f may cause a slight shift in signal output timing due to variations in the components constituting each, the timing at which the control means 4e and 5e detect the power switch on / off state is Depending on the timing at which the zero point of the commercial power supply 1 and the output signal of the power switch detection means 3 change, the half cycle of the commercial power supply 1 may be shifted, and there may be a shift by a multiple of the half cycle of the commercial power supply 1 due to noise. obtain.

  When the control means 4e and 5e detect the power switch off state based on the input signal from the power switch detection means 3, the control means 4e and 5e shift to the power switch off mode and cannot accept the input signals from the input means 4c and 5c. .

  Thereafter, when the control means 4e and 5e detect the power switch off state → the power switch on state based on the input signal from the power switch detection means 3, the operation mode is changed from the power switch off mode to the initial mode, and the input means 4c. 5c can receive the input signal, and only the control means 4e drives the notifying means 4d to notify that the power switch is turned off → on (single 0.1 second sound).

  Thereafter, when the control means 4e and 5e input a signal indicating the start of heating from the input means 4c and 5c, the operation mode is changed from the initial mode to the heating mode, and the inverters 4b and 5b are controlled and heated with a predetermined heating power. At the same time, the notification means 4d and 5d are driven to notify that an input signal from the input means 4c and 5c has been received (single 0.1 second sound). When a signal indicating a change in heating power is input from the input means 4c and 5c, the setting of the heating power is changed, and the notification means 4d and 5d are driven to indicate that an input signal from the input means 4c and 5c has been received. Announcement is made (single for 0.1 seconds).

  Further, after that, when the control means 4e, 5e detect the power switch on state → the power switch off state based on the input signal from the power switch detection means 3, the operation mode is changed from the heating mode or the initial mode → the power switch off mode. Then, the output of the inverters 4b and 5b is stopped and the heating is turned off, and only the control means 4e drives the notification means 4d to notify that the power switch is turned on → off (single 0.5 second sound). Do.

  As described above, in the present embodiment, the control means 4e and 5e independently receive the input signals from the input means 4c and 5c and drive the notification means 4d and 5d (sound for 0.1 seconds). That the power switch is turned off and turned on even when the detection timing of the power switch off state → the power switch on state or the power switch on state → the power switch off state deviates. The notification (single 0.1 second sound) or the notification (0.5 second sounding once) indicating that the power switch is turned on → off is performed only by the notification means 4d of the right induction heating unit 4. Thus, it is possible to prevent the notification timings of the notification means 4d and 5d from being shifted and difficult to hear.

  In FIG. 1, the power switch 2 is constituted by a tact switch, and the control means 4e, 5e control opening / closing of the relay contacts 7a, 7b of the power relay 7 to cut off or connect the commercial power source 1 and the inverters 4b, 5b. However, as shown in FIG. 2, the power switch 8 employs a rocker switch so that the commercial power supply 1 and the inverters 4b and 5b are directly cut off or connected, and the power switch detection means 3 is connected to the power switch 8 and the inverter. The on / off state of the power switch 8 may be detected based on the voltage between the connection point between 4b and 5b and the connection point between the commercial power supply 1 and the inverters 4b and 5b.

  The power switch 8 in FIG. 2 has one contact, but the power switch 8 has two contacts, one contact is connected to the inverter 4b, and the other contact is connected to the inverter 5b. , Detecting the open / closed state of each contact, and outputting a signal related to the open / closed state of the contact connected to the inverter 4b to the control means 4e and a signal related to the open / closed state of the contact connected to the inverter 5e to the control means 5e. You can also.

(Embodiment 2)
Next, the heating cooker in Embodiment 2 of this invention is demonstrated.

  The cooking device in the present embodiment is composed of the same constituent means as in the first embodiment shown in FIG. The difference from the first embodiment is that if the control means 5e of the left induction heating unit 5 cannot normally perform serial communication with the control means 4e of the right induction heating unit 4 via the second insulating means 6b, a notification is made. The means 5d is driven to notify that the power switch is turned off → on (single for 0.1 second) and for the power switch on → off (one 0.5 second sound). ).

  About the heating cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated.

  In the configuration of the first embodiment, for example, when the control unit 4e is inoperable due to a failure of the right induction heating unit 4, induction heating by the heating coil 4a and the inverter 4b, operation modes by the power switch detection unit 3 and the input unit 4c are set. Since the serial communication from the control means 4e of the right induction heating unit 4 to the control means 5e of the left induction heating means 5 through the transfer, driving of the notification means 4d, and the second insulating means 6b cannot be performed, It is possible to give a notification that the power switch is turned off → on (single 0.1 second) and a notification that the power switch is turned on → off (single 0.5 second). Disappear.

  In this embodiment, when the control means 5e of the left induction heating means 5 detects that the serial communication from the control means 4e of the right induction heating unit 4 via the second insulating means 6b is normal, As described in the first embodiment, the notification means 5d provides a notification indicating that the power switch has been turned off → on (single 0.1 second sound) or a notification indicating that the power switch has been turned on → off ( Do not blow for 0.5 seconds once).

  However, when the control means 5e detects that the serial communication from the control means 4e of the right induction heating unit 4 via the second insulating means 6b is abnormal, the control means 5e determines that the right induction heating part 4 is malfunctioning. Then, the notification means 5d is driven to notify that the power switch is turned off → on (single for 0.1 second) or notify that the power switch is turned on → off (0.5 seconds). Blowing once).

  As described above, in the present embodiment, when the control unit 4e of the right induction heating unit 4 cannot operate the notification unit 4d due to malfunction without providing any new constituent unit, the control unit of the left induction heating unit 5 Only for 5e, a notification indicating that the power switch is turned off → on (single 0.1 second sound) or a notification indicating that the power switch is turned on → off (single 0.5 second sound) is performed. Can be.

(Embodiment 3)
FIG. 3 shows a cooking device according to Embodiment 3 of the present invention.

  In the heating cooker in the present embodiment, the difference from the first embodiment is that the first insulating means 6a or the second insulating means 6b of the insulating means 6 does not exist, and the right notification presence / absence detecting means 9 is newly provided. A signal indicating whether or not the notification unit 4d of the right induction heating unit 4 is driven is output, and the control unit 5e of the left induction heating unit 5 is based on a signal input from the power switch detection unit 3 to turn off the power switch → power When a signal indicating that the notification unit 4d is driven from the right notification presence / absence detection unit 9 is not input within 0.05 seconds after detecting the switch on state or the power switch on state → the power switch off state, The notification means 5d is driven to notify that the power switch is turned off and turned on (single 0.1 second sound) or to inform that the power switch is turned on and turned off (one 0.5 second sound). ) It is that you have to perform.

  About the heating cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated.

  In the configuration of the first embodiment, for example, when the control unit 4e and the notification unit 4d are inoperable due to a failure of the right induction heating unit 4, a notification (0.1 indicating that the power switch is turned off → on as a device) It is impossible to make a second sound (single second) and to notify that the power switch is turned on → off (one 0.5 second sound).

  In the present embodiment, the control means 5e of the left induction heating means 5 changes the power switch off state → the power switch on state or the power switch on state → the power switch off state based on the signal input from the power switch detection means 3. As described in the first embodiment, when a signal indicating that the notification means 4d of the right induction heating unit 4 is driven is input from the right notification presence / absence detection means 9 within 0.05 seconds after detection. In the notification means 5d, a notification indicating that the power switch is turned off → on (single 0.1 second sound) or a notification indicating that the power switch is turned on → off (single 0.5 second sound) ) Is not implemented.

  However, the control unit 5e detects the power switch off state → the power switch on state or the power switch on state → the power switch off state based on the signal input from the power switch detection unit 3 within 0.05 seconds. When a signal indicating that the notification unit 4d of the right induction heating unit 4 is driven is not input from the right notification presence / absence detection unit 9, it is determined that the right induction heating unit 4 is malfunctioning, and the notification unit 5d is driven. Then, a notification indicating that the power switch is turned off → on (single 0.1 second sound) or a notification indicating that the power switch is turned on → off (single 0.5 second sound) is performed. .

  As described above, in the present embodiment, when the control unit 4e and the notification unit 4d of the right induction heating unit 4 are inoperable and the notification unit 4d cannot be driven, only the control unit 5e of the left induction heating unit 5 is switched on. A notification indicating that the power switch is turned off to on (once for 0.1 second) or a notification that the power switch is turned on → off (single sound for 0.5 seconds) may be performed. it can.

  In the first to third embodiments described above, the left and right induction heating units are shown, but the present invention is not limited to the embodiment in terms of position and number. Further, the heating means is not limited to the heating coil, and other heating means may be used, or a combined heating system including a radiant heater or a roaster heater may be used.

  As described above, the heating cooker according to the present invention can prevent the notification associated with the on / off state of the power switch from becoming difficult to hear without increasing the number of constituent means, and of course the induction cooking device It can be applied to other cooking devices. It can also be applied to a combined cooking device equipped with a radiant heater or a roaster heater.

The block diagram of the heating cooker in Embodiment 1, 2 of this invention Block diagram showing another example of the cooking device The block diagram of the heating cooker in Embodiment 3 of this invention

Explanation of symbols

2, 8 Power switch 4a, 5a Heating coil 4b, 5b Inverter 4c, 5c Input means 4d, 5d Notification means 4e, 5e Control means 6 Insulation means 9 Right notification presence detection means

Claims (4)

A plurality of combinations of a power switch, a heating means, an input means, an audible notification means, and a control means for controlling the state of the heating means, each control means detects an on / off state of the power switch. And changing the output state of the heating means based on an input signal from the input means and audibly informing the notification means, and only one of the plurality of control means is capable of A heating cooker configured to be audibly informed by an informing means in association with an on / off state. The control means for performing an audible notification associated with the on / off state of the power switch is inoperable when the other control means is audibly notified by the notification means in association with the on / off state of the power switch. The heating cooker described in 1. Detecting a communication failure with the control means for performing an audible notification associated with the on / off state of the power switch, and detecting that the control means for performing the audible notification associated with the on / off state of the power switch is defective. The cooking device according to claim 2. A control means for detecting an audible notification associated with the on / off state of the power switch by detecting that the notification means controlled by the control means for performing the audible notification associated with the on / off state of the power switch is not driven; The cooking device according to claim 2, wherein the cooking device detects that the operation is defective.