JP2005166507A - System of induction heating cooker and ventilator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a system to exhaust cooking smell, greasy fumes, and vapor outside the room at a high efficiency without operating a ventilator more frequently than necessary. <P>SOLUTION: An induction heating cooker 2 comprises: an induction heating circuit; a current detecting circuit 2b; a cooker control circuit 2c which controls power supply to the induction heating circuit so that a current value detected by the current detecting circuit becomes a specified current value, and which generates a command signal for fan rotation in response to the detected current value; and a transmitter 2d of infrared type or radio type for transmitting the command signal generated by the cooker control circuit for the fan rotation. A ventilator 4 comprises: a ventilation fan 4c; a receiver 4a of infrared type or radio type for receiving the command signal; and a ventilation fan control circuit which controls operation starting, rotation speed increasing/decreasing, and operation stopping of the ventilation fan 4c on the basis of the command signal received by the infrared receiver or the radio receiver. The induction heating cooker 2 and the ventilatior 4 constitute the system. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a system in which an induction heating cooker and a ventilation fan operate in conjunction with one another or in cooperation with each other.

  This type of conventional induction heating cooker and ventilation fan system sets the number of rotations of the ventilation fan according to the rated input, which is the heating power set by the heating power adjustment dial, on the induction heating cooker side, and the drive signal (rotation) Number signal) is transmitted wirelessly, and the rotation speed of the ventilation fan is controlled on the ventilation fan side according to the received rotation speed signal. (For example, refer to Patent Document 1).

  In addition, in a ventilator using a gas stove, a gas sensor is provided, and the amount of air blown by a ventilation fan is set according to the amount of gas generated detected by the gas sensor. A technique has been proposed in which the ventilation total air volume for operation is obtained and the ventilation fan is extended based on this (see, for example, Patent Document 2).

  In addition, a temperature sensor that detects the temperature of the food and a stew key that sets the cooking (boiled cooking) mode that automatically changes the input are provided, and at least the output of the temperature sensor or the heating time after starting heating at the rated input In response to this, a technique has been proposed that shifts to a second input lower than the rated input (see, for example, Patent Document 3).

JP 2003-83550 A Japanese Patent Laid-Open No. 7-190432 Japanese Patent Laid-Open No. 11-102777

  However, in the induction heating cooker and ventilation fan system of Patent Document 1 in which the ventilation fan is controlled in accordance with the set heating power (rated input) by the heating power adjustment dial, the temperature sensor and timer as in Patent Document 3 are used. If the cooking mode that automatically controls the input is not supported and this automatic cooking mode is incorporated in the system of Patent Document 1, the ventilation fan cannot be controlled in conjunction with cooking. Therefore, in this case, not only must the ventilation fan be driven and stopped by manual operation, but also rotation control corresponding to cooking is not possible, so if the input becomes low during cooking as in stew cooking mode In addition, the rotation speed of the ventilation fan does not decrease, the rotation speed of the ventilation fan remains high, and efficient operation is not performed.

  In addition, in a ventilating apparatus such as Patent Document 2 in which gas generated during cooking by a gas stove is detected by a gas sensor to determine the total ventilation volume, a gas sensor for controlling a ventilation fan is required, which increases costs. Become.

  A technical problem of the present invention is to enable cooking odor, oily smoke, and steam to be discharged to the outside with high efficiency without operating the ventilation fan more than necessary.

  The electromagnetic induction heating circuit, the current detection circuit, and energization control to the electromagnetic induction heating circuit so that the current value detected by the current detection circuit becomes a predetermined current value, and commands for fan rotation operation according to the detected current value An induction heating cooker comprising: a cooker control circuit that generates a signal; an infrared transmitter or a wireless transmitter that transmits a command signal for fan rotation generated by the cooker control circuit; and a ventilation fan; An infrared receiver or a wireless receiver that receives the command signal, and a ventilation fan that controls operation start, increase / decrease, and operation stop of the ventilation fan based on the command signal received by the infrared receiver or wireless receiver. And a ventilating fan provided with a control circuit.

  In the induction heating cooker and ventilation fan system of the present invention, the cooking status is estimated by the detected current value of the induction heating cooker, and based on this, the operation of the ventilation fan is started, the number of rotations is increased and decreased, and the operation stop is controlled. Therefore, the ventilation fan is not operated more than necessary, power consumption can be reduced, and the life of the ventilation fan can be extended.

Embodiment 1 FIG.
The present invention will be described below with reference to illustrated embodiments.
FIG. 1 is a block diagram of an induction heating cooker and ventilation fan system according to claim 1 of the present invention.

  The induction heating cooker and ventilation fan system according to the first embodiment includes an induction heating cooker 2 having an electromagnetic induction heating circuit using an AC power source 1 as a power source, and a ventilation fan 4 connected to the induction heating cooker 2 by infrared rays or wirelessly. Composed.

  More specifically, the induction heating cooker 2 includes a rectifier circuit 2a, an input current or output current detection circuit (hereinafter referred to as a current detection circuit) 2b, and a current detected by the current detection circuit 2b. The energization control to the electromagnetic induction heating circuit is performed so that the value becomes a predetermined current value, and the cooker control circuit 2c that generates a command signal for fan rotation operation according to the detected current value and the cooker control circuit 2c Infrared or wireless transmitter 2d for transmitting a fan rotation operation command signal, switching elements 2e and 2f forming an electromagnetic induction heating circuit, a heating coil 2g, and a capacitor 2h are provided. A pan 3 is placed on the top.

  On the other hand, in the ventilation fan 4, ventilation is based on the ventilation fan 4c, the infrared or wireless receiver 4a that receives the command signal sent from the transmitter 2d, and the command signal received by the receiver 4a. A ventilation fan control circuit 4b is provided for controlling the start of operation of the fan 4c, increase / decrease in the number of revolutions, and stop of operation.

  Next, the operation of the induction heating cooker and ventilation fan system of the present embodiment configured as described above will be described with reference to FIG. First, when the induction heating cooker 2 starts operation, the voltage of the AC power source 1 is full-wave rectified by the rectifier circuit 2a. The cooker control circuit 2c operates the switching elements 2e and 2f alternately at a high frequency, converts the full-wave rectified voltage into a high-frequency voltage, and causes a high-frequency current to flow through the heating coil 2g and the capacitor 2h. Due to this high-frequency current, a magnetic flux is generated from the heating coil 2g, the magnetic flux reaches the pan 3 placed on the heating coil 2g, and this magnetic flux generates an eddy current inside the pan 3 and the pan 3 itself generates heat. . The current detection circuit 2b detects the current flowing into the induction heating cooker 2 from the AC power source 1 continuously or every predetermined time (for example, 5 seconds), and the cooker control circuit 2c controls the switching elements 2e and 2f. The feedback control is performed so that the detected current value, that is, the electric power supplied to the pan 3 becomes a predetermined current value.

  In addition, when the current detection circuit 2b detects the input current, the cooker control circuit 2c estimates that cooking has started, and transmits an operation start command signal from the transmitter 2d to the ventilation fan 4. When the input current increases, it is estimated that there are many cooking odors, oily smoke, and steam, and a command signal is transmitted so as to increase the rotational speed of the ventilation fan 4c. Further, when the input current decreases, it is estimated that cooking odor, oil smoke, and steam are small, and a command signal is transmitted so as to reduce the rotational speed of the ventilation fan 4c. If the input current is no longer detected, it is estimated that cooking has ended, and an operation stop command signal is transmitted so as to stop the operation of the ventilation fan 4. On the ventilation fan 4 side, the command signal sent from the transmitter 2d on the cooking device side is received by the receiver 4a, and the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c based on the received signal, the increase / decrease in the rotational speed, Controls operation stop.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, the heating state of the pan 3 is detected by the input current of the induction heating cooker 2, and the ventilation fan 4 is operated based on this. Therefore, the ventilation fan 4 is not operated more than necessary, power consumption can be reduced, and the life of the ventilation fan 4 can be extended.

  Moreover, when there is little oil smoke etc., since the ventilation fan 4 rotates at low speed rotation, there also exists a noise reduction effect.

  Further, the amount of cooking odor, oily smoke, and steam generated (cooking state) is estimated from the detected current value obtained by the current detection circuit 2b for power control feedback of the induction heating cooker 2, and the ventilation fan 4 is controlled. Therefore, it is not necessary to provide a new sensor for controlling the ventilation fan, and the system can be constructed at low cost.

  Moreover, since these operations can be automatically performed, usability is improved.

  Moreover, since the operation command from the induction heating cooker 2 to the ventilation fan 4 is performed by infrared rays or wirelessly, wiring between them is unnecessary, and installation is easy.

Embodiment 2. FIG.
FIG. 2 is a configuration diagram of an induction heating cooker and ventilation fan system according to claims 1 and 2 of the present invention, and FIG. 3 is a graph for explaining the operation, in which the vertical axis represents delay time and the horizontal axis just before stopping. The input current or drive time (cooking time) or the product of drive time and input current. In FIG. 2, the same parts as those of the first embodiment shown in FIG.

  In the induction heating cooker and ventilation fan system according to the second embodiment, when the current of the electromagnetic induction heating circuit stops in the cooker control circuit 2c of the induction heating cooker 2, the detected current value and the drive time immediately before the stop. Alternatively, a delay time setting unit 11 that obtains and sets a delay time from the product of the detected current value and the drive time is provided, and when the current of the electromagnetic induction heating circuit stops, the delay time set by the delay time setting unit 11 After the elapse of time, a stop command signal is transmitted from the transmitter 2d to the ventilation fan 4.

  That is, the input current value immediately before the input current disappears after heating of the pan 3 is stopped, or the cooking time that is the time from when the input current starts to flow until it stops, or the product of the cooking time and the input current value, that is, the pan 3 3 is different from that of the first embodiment described above in that the delay time T is obtained and set according to the total amount of heat input to the first embodiment. The same as in the first embodiment.

  Next, the operation of the induction heating cooker and ventilation fan system of the present embodiment configured as described above will be described with reference to FIG. In addition, since the operation | movement (feedback control) of the pan 3 and the operation | movement of the ventilation fan 4 during cooking are the same as that of the above-mentioned Embodiment 1, description is abbreviate | omitted. First, when the induction heating cooker 2 starts its operation, the control circuit 2c of the induction heating cooker 2 starts cooking time counting and continuously detects the input current or detects every predetermined time (for example, 5 seconds). The ventilation fan 4 starts and the operation starts.

  When cooking is finished and the input current is no longer detected, the delay time setting unit 11 stops the heating of the pan 3 and the input current value detected immediately before the input current disappears, the cooking time, or the cooking time and the input current. The delay time T is obtained and set as shown in the graph of FIG. 3 according to the total heat quantity which is the product of the values. Thereby, the cooking appliance control circuit 2c transmits an operation stop command signal from the transmitter 2d to the ventilation fan 4 after the delay time T has elapsed since cooking was completed. On the ventilation fan control circuit 4b side of the ventilation fan 4, the transmitted operation stop command signal is received by the receiver 4a, and the rotation of the ventilation fan 4c is stopped.

  The amount of cooking odor, smoke, and steam generated is proportional to the input current value immediately before the end of cooking when the input current disappears, or the cooking time, or the total amount of heat input to the pan 3, and from these values, the cooking is completed. The amount of cooking odor, oil smoke, and steam generated from the pan 3 and the amount of cooking odor, oil smoke, and steam remaining in the room can be estimated.

  Therefore, as in the induction heating cooker and ventilation fan system of the present embodiment, the heating time of the pan 3 is stopped and the input current value immediately before the input current disappears, or the time from when the input current starts flowing until it stops. A delay time T is obtained and set according to a certain cooking time or a total heat amount which is a product of the cooking time and the input current, and after the cooking is finished, the operation stop of the ventilation fan 4 is delayed by the delay time T. Thus, the cooking odor, oily smoke, and steam generated from the pan 3 after cooking is finished, and the cooking odor, oily smoke, and steam remaining in the room can be efficiently discharged.

  In addition, the ventilation fan 4 is not operated more than necessary, power consumption can be reduced, and the ventilation fan 4 has a long life.

  Moreover, since the operation | movement to the ventilation fan stop after cooking completion can be performed automatically, usability improves.

  Further, since the operation command is transmitted from the induction heating cooker 2 to the ventilation fan 4 by infrared rays or wirelessly, wiring between them is unnecessary and installation is easy.

Embodiment 3 FIG.
FIG. 4 is a block diagram of an induction heating cooker and ventilating fan system according to claim 3 of the present invention. In the figure, the same parts as those in FIG. 1 of the first embodiment are denoted by the same reference numerals.

  In the induction heating cooker and ventilation fan system of Embodiment 3, the induction heating cooker 2 is provided with a temperature sensor 2j for detecting the temperature of the pan 3, and the cooker control circuit 2c is set so that the detected temperature becomes a predetermined temperature. Is configured to control the energization of the electromagnetic induction heating circuit, generate a command signal for fan rotation operation according to the detected temperature, and transmit the command signal from the infrared or wireless transmitter 2d. The configuration is different from that of the first embodiment, and the other configuration is the same as that of the first embodiment.

  Next, the operation of the induction heating cooker and ventilation fan system of the present embodiment configured as described above will be described with reference to FIG. First, when the induction heating cooker 2 starts operation, the voltage of the AC power source 1 is full-wave rectified by the rectifier circuit 2a. The cooker control circuit 2c operates the switching elements 2e and 2f alternately at a high frequency, converts the full-wave rectified voltage into a high-frequency voltage, and causes a high-frequency current to flow through the heating coil 2g and the capacitor 2h. Due to this high-frequency current, a magnetic flux is generated from the heating coil 2g, the magnetic flux reaches the pan 3 placed on the heating coil 2g, and this magnetic flux generates an eddy current inside the pan 3 and the pan 3 itself generates heat. . The cooker control circuit 2c reads the signal from the temperature sensor 2j, estimates the temperature of the pan 3 from the detected temperature, and controls the switching elements 2e and 2f, so that the temperature of the pan 3 becomes a predetermined temperature. Feedback control.

  When the temperature detected by the temperature sensor 2j exceeds a predetermined value, the cooker control circuit 2c estimates that the pot 3 generates heat and cooking odors, oil smoke, and steam are generated, and the ventilation fan 4 is transmitted from the transmitter 2d. An operation start command signal is transmitted to. Further, when the temperature detected by the temperature sensor 2j is high, it is estimated that there is a large amount of cooking odor, oily smoke, and steam, and a command signal is transmitted to increase the rotational speed of the ventilation fan 4c. Further, when the temperature detected by the temperature sensor 2j is lowered, it is estimated that the amount of cooking odor, oil smoke, and steam generated is small, and a command signal is transmitted so as to reduce the rotational speed of the ventilation fan 4c. Further, when the temperature detected by the temperature sensor 2j is equal to or lower than a predetermined value, it is estimated that cooking has ended, and a stop command signal is transmitted so as to stop the operation of the ventilation fan 4. On the ventilation fan 4 side, the command signal sent from the transmitter 2d on the cooking device side is received by the receiver 4a, and the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c based on the received signal, the increase / decrease in the rotational speed, Controls operation stop.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, the heating state of the pan 3 is detected by the temperature sensor 2j provided on the induction heating cooker 2 side, and the ventilation fan is set based on this. Since it is made to operate, the ventilation fan 4 is not operated more than necessary, power consumption can be reduced, and the life of the ventilation fan 4 can be extended.

  Moreover, when there is little oil smoke etc., since the ventilation fan 4 rotates at low speed rotation, there also exists a noise reduction effect.

  Moreover, since the cooking state is estimated from the detected temperature obtained by the temperature sensor 2j for temperature control feedback of the induction heating cooker 2 and the ventilation fan 4 is controlled, a new sensor is provided for the ventilation fan control. There is no need and the system can be constructed at low cost.

  In addition, since these operations are automatically performed, usability is improved.

  Moreover, since the operation command from the induction heating cooker 2 to the ventilation fan 4 is performed by infrared rays or wirelessly, wiring between them is unnecessary, and installation is easy.

Embodiment 4 FIG.
FIG. 5 is a block diagram of an induction heating cooker and ventilating fan system according to claims 1, 2, 3, and 4 of the present invention, in which the same parts as those in FIG. Is attached.

  The induction heating cooker and ventilation fan system of the fourth embodiment is provided with the tempura mode switch 2n in the induction heating cooker 2, and when the tempura mode is selected, the cooker control circuit 2c is not related to the current setting. The point which generated the command signal which raises the rotation speed of the ventilation fan 4c, and was made to transmit from the transmitter 2d of an infrared system or a radio | wireless system differs from the thing of above-mentioned Embodiment 3, and other than that structure This is the same as that of the third embodiment described above. Needless to say, the tempura mode switch 2n of the present embodiment can be applied to other embodiments of the present invention.

  The operation of heating the pan 3 (feedback control) and the operation of the ventilating fan 4 during cooking in the induction heating cooker and ventilating fan system of the present embodiment configured as described above will be described in the third embodiment. Since it is the same as that of FIG.

  In the present embodiment, when the tempura mode switch 2n is pressed and the tempura mode is selected, the cooker control circuit 2c controls the switching elements 2e and 2f to allow the temperature of the pan 3 to be tempura cooked. A command signal for increasing the temperature and increasing the rotational speed of the ventilation fan 4c regardless of the current setting is generated and transmitted from the transmitter 2d. On the ventilation fan 4 side, the command signal sent from the transmitter 2d on the cooking device side is received by the receiver 4a, and the ventilation fan control circuit 4b rotates so as to increase the rotation speed of the ventilation fan 4c based on the received signal. Perform number control.

  In this way, tempura cooking that needs to increase the rotation speed of the ventilation fan 4c in particular can be detected by pressing the tempura mode switch 2n, so there is no need to provide a new sensor for the determination, and the cost is low. You can build a system with

  In addition, when the main tempura mode switch 2n is pressed, the rotation speed of the ventilation fan 4c is increased based on this, so that the ventilation fan 4 is not operated more than necessary, and the power consumption can be reduced. The life of the ventilation fan 4 can be extended.

  Further, when there is little oil smoke or the like in normal cooking, this is detected by the temperature sensor 2j as in the third embodiment, and the ventilation fan 4 rotates at a low speed based on this, so there is also a noise reduction effect.

  In addition, since these operations are automatically performed, usability is improved.

  Further, since the operation command is transmitted from the induction heating cooker 2 to the ventilation fan 4 by infrared rays or wirelessly, wiring between them is unnecessary and installation is easy.

Embodiment 5 FIG.
FIG. 6 is a block diagram showing a ventilating fan portion of the induction heating cooker and ventilating fan system according to claims 1, 2, 3, 4 and 5 of the present invention, and in FIG. 1 and FIG. The same parts are denoted by the same reference numerals. In the description, reference is made to FIG.

  The induction heating cooker and ventilation fan system according to the fifth embodiment is turned on when the ventilation fan 4c starts operating, and turns off when the ventilation fan 4c stops operating. 4f is provided on the side of the ventilation fan 4 so as to face the induction heating cooker 2, and the other configuration is the same as that of the first embodiment. Needless to say, the illumination 4f of the present embodiment can be applied to other embodiments of the present invention.

  The operation of heating the pan 3 (feedback control) and the operation of the ventilating fan 4 during cooking in the induction heating cooker and ventilating fan system of the present embodiment configured as described above will be described in the first embodiment. Since it is the same as that of FIG.

  In the present embodiment, when the receiver 4a in the ventilation fan 4 receives the operation start command signal from the induction heating cooker 2, the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c and lights the illumination 4f. When the receiver 4a receives the operation stop command signal from the induction heating cooker 2, the ventilation fan control circuit 4b stops the operation of the ventilation fan 4c and turns off the illumination 4f.

  The ventilation fan 4c operates in conjunction with the cooking operation of the induction heating cooker 2 as described in the first embodiment. For this reason, when cooking is started, the ventilation fan 4c automatically starts operating in conjunction with this, and the illumination 4f provided at the position for illuminating the cooking device 2 is automatically turned on in conjunction with this. . When cooking is finished, the ventilation fan 4c automatically stops correspondingly, and the illumination 4f is automatically turned off in conjunction with this. Therefore, usability is improved.

  In addition, since the lights are automatically turned off at the same time as cooking is completed, it is possible to avoid forgetting to turn them off, thereby preventing unnecessary power consumption.

  Further, since the operation command is transmitted from the induction heating cooker 2 to the ventilation fan 4 by infrared rays or wirelessly, wiring between them is unnecessary and installation is easy.

Embodiment 6 FIG.
FIG. 7 is a block diagram showing a ventilating fan part of the induction heating cooker and ventilating fan system according to claims 1, 2, 3, 4, 5 and 6 of the present invention, in which the first embodiment and the implementation described above are shown. The same reference numerals are given to the same parts as those of the fifth embodiment. In the description, reference is made to FIG.

  In the induction heating cooker and ventilation fan system according to the sixth embodiment, various operation buttons of the ventilation fan 4c, that is, a “stop” button for stopping the operation of the ventilation fan 4c, and “low” for rotating the ventilation fan 4c at a low speed. Button, “Medium” button that rotates ventilation fan 4c at medium speed, “High” button that rotates ventilation fan 4c at high speed, “On” and “Off” buttons for lighting 4f, and these operations automatically An operation panel 4g having an "automatic" button for returning to the ventilation fan 4 is provided in the ventilation fan 4, and the ventilation fan control circuit 4b is configured to give priority to the operation by the operation panel 4g. Is the same as that of the first embodiment. Needless to say, the operation panel 4g installed on the ventilation fan side of the present embodiment can be applied to other embodiments of the present invention.

  The operation of heating the pan 3 (feedback control) and the operation of the ventilating fan 4 during cooking in the induction heating cooker and ventilating fan system of the present embodiment configured as described above will be described in the first embodiment. Since it is the same as that of FIG.

  In the present embodiment, when the receiver 4a in the ventilation fan 4 receives the command signal from the induction heating cooker 2, the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c, increases or decreases the rotation speed, and stops the operation based on the command signal. Control. The ventilation fan control circuit 4b turns on the illumination 4f while the ventilation fan 4c is in operation, and turns off the illumination 4f when the ventilation fan 4c is stopped. However, during this automatic operation mode, one of the “stop”, “low”, “medium”, “high”, and illumination “off” operation buttons on the operation panel 4g installed on the ventilation fan 4 side is pressed. If it is, the ventilation fan control circuit 4b stops the automatic operation, switches to the manual operation mode, and performs the operation specified by the operation button. Thereafter, when the “automatic” button is pressed, the automatic operation mode is restored.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, the manual operation is prioritized over the automatic operation of the ventilation fan 4, so that the operation desired by the cook is performed and the usability is improved. improves.

  In addition, since the automatic operation mode can be restored at any time by pressing the “automatic” button, the usability is further improved.

Embodiment 7 FIG.
FIG. 8 is a configuration diagram of the induction heating cooker and ventilation fan system according to claims 1, 2, 3, 4, 5, and 7 of the present invention, and in the figure, the first embodiment and the sixth embodiment described above, The same parts are denoted by the same reference numerals.

  In the induction heating cooker and ventilation fan system according to the seventh embodiment, various operation buttons of the ventilation fan 4c, that is, a “stop” button for stopping the operation of the ventilation fan 4c, and “low” for rotating the ventilation fan 4c at a low speed. Button, “Medium” button that rotates ventilation fan 4c at medium speed, “High” button that rotates ventilation fan 4c at high speed, “On” and “Off” buttons for lighting 4f, and these operations automatically An operation panel 4g provided with an "automatic" button for returning to the induction heating cooker 2 is provided in the induction heating cooker 2, and the cooker control circuit 2c is configured to give priority to the operation by the operation panel 4g. Other configurations are the same as those of the first embodiment. In addition, it cannot be overemphasized that the operation panel 4g of the induction heating cooking appliance side installation of this Embodiment is applicable also to other embodiment of this invention.

  The operation of heating the pan 3 (feedback control) and the operation of the ventilating fan 4 during cooking in the induction heating cooker and ventilating fan system of the present embodiment configured as described above are those of the first embodiment described above. Since it is the same as that of FIG.

  In the present embodiment, when the receiver 4a in the ventilation fan 4 receives the command signal from the induction heating cooker 2, the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c, increases or decreases the rotation speed, and stops the operation based on the command signal. Control. The ventilation fan control circuit 4b turns on the illumination 4f while the ventilation fan 4c is in operation, and turns off the illumination 4f when the ventilation fan 4c is stopped. However, during this automatic operation mode, any one of “stop”, “low”, “medium”, “high”, and illumination “off” on the operation panel 4g installed on the induction heating cooker 2 side is operated. When the button is pressed, the ventilation fan control circuit 4b stops the automatic operation, switches to the manual operation mode, and performs the operation specified by the operation button. Thereafter, when the “automatic” button is pressed, the automatic operation mode is restored.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, the operation button of the ventilation fan 4 installed at a high position is installed on the induction heating cooker 2 side of the cook. Therefore, operation is easy and usability is improved.

  Moreover, since it is set as the structure which gives priority to manual operation over the automatic driving | operation of the ventilation fan 4 similarly to above-mentioned Embodiment 6, a chef's desired operation is performed and usability improves.

  In addition, since the automatic operation mode can be restored at any time by pressing the “automatic” button, the usability is further improved.

Embodiment 8 FIG.
FIG. 9 is a block diagram of an induction heating cooker and ventilation fan system according to claim 8 of the present invention. In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals.

  The induction heating cooker and ventilation fan system according to the eighth embodiment includes a smoke sensor 4e and an infrared or wireless transmitter 4d in the ventilation fan 4, and when the output of the smoke sensor 4e exceeds a predetermined value, The ventilation fan control circuit 4b generates a cooking stop command signal and transmits it from the transmitter 4d. In addition, an induction heating cooker 2 is provided with an infrared or wireless receiver 2m that receives a cooking stop command signal sent from the transmitter 4d of the ventilation fan 4, and the cooking stop command signal is received by the receiver 2m. Is different from that of the first embodiment described above in that the cooker control circuit 2c is configured to stop energization of the electromagnetic induction heating circuit, and other configurations are the same as those described in the first embodiment. It is the same as that of the form 1.

  Next, the operation of the induction heating cooker and ventilation fan system of the present embodiment configured as described above will be described with reference to FIG. First, when the induction heating cooker 2 starts operation, the voltage of the AC power source 1 is full-wave rectified by the rectifier circuit 2a. The cooker control circuit 2c operates the switching elements 2e and 2f alternately at a high frequency, converts the full-wave rectified voltage into a high-frequency voltage, and causes a high-frequency current to flow through the heating coil 2g and the capacitor 2h. Due to this high-frequency current, a magnetic flux is generated from the heating coil 2g, the magnetic flux reaches the pan 3 placed on the heating coil 2g, and this magnetic flux generates an eddy current inside the pan 3 and the pan 3 itself generates heat. .

  On the ventilation fan 4 side, when the smoke sensor 4e detects smoke, the ventilation fan control circuit 4b starts the operation of the ventilation fan 4c and discharges oily smoke generated during cooking. Further, the ventilating fan control circuit 4b is connected to the induction heating cooker 2 from the transmitter 4d when the signal from the smoke sensor 4e continues for a predetermined time or the instantaneous amount of smoke detected by the smoke sensor 4e exceeds a predetermined value. Send a stop command signal to. On the induction heating cooker 2 side, the stop command signal sent from the ventilation fan 4 is received by the receiver 2m, and the operation of the switching elements 2e and 2f is stopped in response to the stop command signal.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, when the output of the smoke sensor 4e provided on the ventilation fan 4 side exceeds a predetermined value or when the output of the smoke sensor 4e exceeds a predetermined value. Since the induction heating cooker 2 is stopped when it continues for a predetermined time, safety is ensured even if forgetting to turn off, and wasteful power consumption is prevented.

  Moreover, since the operation command from the ventilation fan 4 to the induction heating cooker 2 is performed by infrared rays or wirelessly, wiring between them is unnecessary and installation is easy.

Embodiment 9 FIG.
FIG. 10 is a block diagram of an induction heating cooker and ventilating fan system according to claim 9 of the present invention. In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals.

  In the induction heating cooker and ventilation fan system according to the ninth embodiment, the ventilation fan 4 is provided with an infrared temperature sensor 4h that keeps the cooker within the field of view and an infrared or wireless transmitter 4d. The output temperature data is transmitted from the transmitter 4d. The induction heating cooker 2 is provided with an infrared or wireless receiver 2m that receives temperature data transmitted from the transmitter 4d of the ventilation fan 4, and is based on the temperature data received by the receiver 2m. The cooker control circuit 2c is different from that of the first embodiment in that the energization control of the electromagnetic induction heating circuit is performed, and other configurations are the same as those of the first embodiment. It is the same as that.

  Next, the operation of the induction heating cooker and ventilation fan system of the present embodiment configured as described above will be described with reference to FIG. First, when the induction heating cooker 2 starts operation, the voltage of the AC power source 1 is full-wave rectified by the rectifier circuit 2a. The cooker control circuit 2c operates the switching elements 2e and 2f alternately at a high frequency, converts the full-wave rectified voltage into a high-frequency voltage, and causes a high-frequency current to flow through the heating coil 2g and the capacitor 2h. Due to this high-frequency current, a magnetic flux is generated from the heating coil 2g, the magnetic flux reaches the pan 3 placed on the heating coil 2g, and this magnetic flux generates an eddy current inside the pan 3 and the pan 3 itself generates heat. .

  On the side of the ventilation fan 4, the infrared temperature sensor 4h detects the temperature of the pan 3, and the ventilation fan control circuit 4b transmits the temperature data detected by the infrared temperature sensor 4h to the induction heating cooker 2 from the transmitter 4d. The receiver 2m of the induction heating cooker 2 receives the temperature data, and the cooker control circuit 2c controls the switching elements 2e and 2f so that the received temperature data becomes a predetermined temperature. Further, when the temperature data reaches a predetermined temperature, the driving of the switching elements 2e and 2f is stopped.

  As described above, in the induction heating cooker and ventilation fan system of the present embodiment, the infrared temperature sensor 4h is attached to the ventilation fan 4 at a position overlooking the induction heating cooker 2, and the temperature data is transmitted to the induction heating cooker 2. And since the cooking appliance control circuit 2c adjusts the electric power input into the pan 3 based on this temperature data, the temperature of the pan 3 can be adjusted accurately.

  Moreover, since the induction heating cooker 2 is stopped when the temperature data reaches a predetermined temperature, useless power consumption is prevented.

  Moreover, since the operation command from the ventilation fan 4 to the induction heating cooker 2 is performed by infrared rays or wirelessly, wiring between them is unnecessary and installation is easy.

Embodiment 10 FIG.
FIG. 11 is a waveform diagram for explaining the operation of the induction heating cooker and ventilator system according to claims 5, 6, 7, 8, 9, and 10 of the present invention. In the description, reference is made to FIG. 8 described above.

  In the induction heating cooker and ventilation fan system according to the tenth embodiment, the induction heating cooker 2 operates the ventilation fan 4c corresponding to a plurality of manufacturer formats, that is, operation start, increase / decrease in rotation speed, and operation stop. The transmission code of the command signal or the transmission code of the illumination on / off command signal or the transmission code of the automatic operation command signal is continuously transmitted from the infrared or wireless transmitter 2d to the ventilation fan 4. Is. Needless to say, the transmission scheme of this embodiment can be applied to other embodiments of the present invention.

  That is, in the present embodiment, when transmitting instructions such as operation start, rotation speed increase / decrease, operation stop, illumination on / off, automatic operation, etc. from the induction heating cooker 2 to the ventilation fan 4, the same command is sent to the plurality of It is converted into a code corresponding to the manufacturer of and sent continuously. FIG. 11 shows an example in which an operation start command is transmitted from the induction heating cooker 2 to the ventilation fan 4. First, an operation start code suitable for the ventilation fan of the company A is transmitted, and then the operation start suitable for the ventilation fan of the company B is started. A code is transmitted, and an operation start code suitable for the ventilation fan of company C is transmitted.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, since a plurality of manufacturer codes are transmitted from the induction heating cooker 2 to the ventilation fan 4, the induction heating cooker 2 and When the system of the ventilation fan 4 is constructed, it becomes a configuration in which ventilation fans of a plurality of manufacturers can be used, and usability is improved.

Embodiment 11 FIG.
FIG. 12 is a flowchart for explaining the operation of the induction heating cooker and ventilation fan system according to claims 5, 6, 7, 8, 9, 10, and 11 of the present invention. In the description, reference is made to FIG. 8 described above.

  In the induction heating cooker and ventilating fan system of the eleventh embodiment, the ventilating fan 4 has a fan rotation operation signal corresponding to a plurality of manufacturer formats, that is, an operation start signal, a rotation speed increase / decrease signal, and an operation stop signal. An instruction code, an illumination on / off instruction code, and an automatic operation instruction code are stored therein, and the received code of the infrared or wireless transmitter 2d is an instruction code corresponding to the stored multiple manufacturer format. In this way, the meaning of the received code is identified, and control is performed based on this. Needless to say, the reception method of this embodiment can also be applied to other embodiments of the present invention.

  That is, in the present embodiment, when the ventilation fan 4 receives a command signal such as operation start, rotation speed increase / decrease, operation stop, lighting on / off, automatic operation, etc., the reception code is sent to a plurality of manufacturers as shown in FIG. The meaning of the received code is identified in comparison with the command code corresponding to the above, and the operation control of the ventilation fan 4c and the on / off control of the lighting 4f are performed according to the identified command.

  Thus, in the induction heating cooker and ventilation fan system of the present embodiment, the meaning of the instruction codes of a plurality of manufacturers can be identified on the ventilation fan 4 side. When constructing the system, it is possible to use induction heating cookers from a plurality of manufacturers, improving usability.

It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 1 of this invention. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 2 of this invention. It is a graph for demonstrating operation | movement of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 2. FIG. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 3 of this invention. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 4 of this invention. It is a block diagram which shows the ventilation fan part of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 5 of this invention. It is a block diagram which shows the ventilation fan part of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 6 of this invention. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 7 of this invention. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 8 of this invention. It is a block diagram of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 9 of this invention. It is a wave form diagram for demonstrating operation | movement of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 10 of this invention. It is a flowchart for demonstrating operation | movement of the system of the induction heating cooking appliance and ventilation fan which concerns on Embodiment 11 of this invention.

Explanation of symbols

2 induction heating cooker, 2a rectifier circuit, 2b current detection circuit, 2c cooker control circuit, 2d, 4d transmitter, 2e, 2f switching element, 2g heating coil, 2h capacitor, 2m, 4a receiver, 4 ventilation fan, 4b Ventilation fan control circuit, 11 delay time setting unit, 2j temperature detection means, 2n tempura mode switch, 4f illumination, 4g operation panel, 4e smoke sensor, 4h infrared temperature sensor.

Claims (11)

An electromagnetic induction heating circuit, a current detection circuit, and energization control to the electromagnetic induction heating circuit so that a current value detected by the current detection circuit becomes a predetermined current value, and fan rotation corresponding to the detected current value An induction heating cooker comprising: a cooker control circuit that generates an operation command signal; and an infrared transmitter or a wireless transmitter that transmits a fan rotation operation command signal generated by the cooker control circuit;
A ventilation fan, an infrared receiver or a wireless receiver that receives the command signal, and an operation start of the ventilation fan based on the command signal received by the infrared receiver or the wireless receiver; A ventilation fan including a ventilation fan control circuit that performs stop control;
An induction heating cooker and ventilation fan system characterized by comprising:   When the current of the electromagnetic induction heating circuit stops in the cooker control circuit, the induction heating cooker obtains the delay time from the detected current value immediately before the stop, the driving time, or the product of the detected current value and the driving time. The induction heating cooker according to claim 1, wherein a delay command setting unit is set, and a stop command signal is transmitted after a delay time set by the delay time setting unit has elapsed. Ventilation fan system. An electromagnetic induction heating circuit, a temperature detection means, a heating state is determined based on the temperature detected by the temperature detection means, energization control is performed on the electromagnetic induction heating circuit so as to obtain a predetermined current value, and the detected temperature An induction device comprising: a cooker control circuit that generates a fan rotation operation command signal in accordance with the above; and an infrared transmitter or a wireless transmitter that transmits the fan rotation operation command signal generated by the cooker control circuit. A heating cooker,
A ventilation fan, an infrared receiver or a wireless receiver that receives the command signal, and an operation start of the ventilation fan based on the command signal received by the infrared receiver or the wireless receiver; A ventilation fan including a ventilation fan control circuit that performs stop control;
An induction heating cooker and ventilation fan system characterized by comprising:   The induction heating cooker has a tempura mode switch, and when the tempura mode is selected, the cooker control circuit generates a command signal for increasing the fan rotation speed and transmits the command signal from an infrared transmitter or a wireless transmitter. The induction heating cooker and ventilation fan system according to any one of claims 1 to 3, wherein   When the ventilation fan starts to operate, it lights up in conjunction with this, and when the ventilation fan stops operating, the lighting that turns off in conjunction with this is provided on the side of the ventilation fan facing the cooker. The induction heating cooker and ventilation fan system according to any one of claims 1 to 4.   The ventilation fan has an operation panel with an operation button for the ventilation fan, an on / off button for lighting, and an automatic button for automatically returning these operations, and the ventilation fan control circuit is configured to give priority to the operation by the operation panel. The induction heating cooker and ventilation fan system according to claim 5, wherein   An operation panel having an operation button for the ventilation fan, an on / off button for lighting, and an automatic button for automatically returning these operations is provided in the induction heating cooker, and the cooker control circuit receives a command signal by operating the operation panel. 6. The induction heating cooker and ventilation fan system according to claim 5, wherein the induction heating cooker and the ventilation fan are configured so as to be transmitted from the infrared transmitter or the wireless transmitter to the ventilation fan with priority. A ventilation fan, a smoke sensor, a ventilation fan control circuit that generates a cooking stop command signal when the output of the smoke sensor exceeds a predetermined value, and an infrared transmitter that transmits a cooking stop command signal generated by the control circuit; A ventilation fan with a wireless transmitter;
An electromagnetic induction heating circuit, an infrared receiver or a wireless receiver that receives the cooking stop command signal, and the electromagnetic induction heating circuit based on the cooking stop command signal received by the infrared receiver or wireless receiver An induction heating cooker comprising: a cooker control circuit for stopping energization;
An induction heating cooker and ventilation fan system characterized by comprising: A ventilation fan, an infrared temperature sensor that keeps the cooker within the field of view, an infrared transmitter or a wireless transmitter that transmits temperature data output from the infrared temperature sensor, an electromagnetic induction heating circuit, An infrared receiver or a wireless receiver that receives the temperature data; and a cooker control circuit that controls energization of the electromagnetic induction heating circuit based on the temperature data received by the infrared receiver or the wireless receiver; An induction heating cooker with
An induction heating cooker and ventilation fan system characterized by comprising:   An induction heating cooker is a fan rotation operation command signal transmission code, illumination on / off command signal transmission code, or automatic operation command signal transmission code corresponding to a plurality of manufacturer formats, an infrared transmitter or a wireless transmitter. The induction heating cooker and ventilation fan system according to any one of claims 5 to 9, wherein the induction heating cooker and the ventilation fan are configured to continuously transmit to the ventilation fan. The ventilation fan internally stores fan rotation operation signals corresponding to a plurality of manufacturer formats, illumination on / off signals, and automatic operation signal command codes, and stores the reception codes of infrared receivers or wireless receivers. 11. The system according to claim 5, wherein the received code is identified with respect to an instruction code corresponding to a plurality of manufacturer formats, and control is performed based on the identified meaning. Induction heating cooker and ventilation fan system as described in.

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