JP2019184100A - Heating cooker - Google Patents

Abstract

To provide a heating cooker capable of letting a user properly recognize an arrangement place of a transmission part and a reception part for body detection signal if sticking matter such as the boiling-over sticks on a top face of the arrangement place of the transmission part and reception part for body detection signal.SOLUTION: A body detector 10 of a heating cooker 1 is configured to detect, when detecting a body having reflected a body detection signal transmitted from a transmission part 10a, whether the body is in contact with a top face 2a of the heating cooker 1. The heating cooker 1 comprises a notification part (a light emission part 11 and a control part 12) which generates, when the body in contact with the top face 2a is detected, notice output indicating the arrangement place of the transmission part 10a and a reception part 10b of the body detector 10 having detected the body.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a cooking device such as a gas stove.

  Conventionally, as seen in Patent Document 1, for example, the infrared ray is transmitted above the top plate and the reflected signal is received on the lower side of the top plate of the stove device, so that it exists above the top plate. A gesture sensor that can detect an object such as a hand is arranged, and when an object such as a hand is detected by the gesture sensor, the burner's firepower is automatically weakened.

  Further, for example, in Patent Document 2, infrared rays are transmitted from the transmission unit of the heating cooking device to the receiving unit of the ventilation fan above the cooking device, and a print mark indicating the position of the transmission unit of the heating cooking device is provided on the top plate. The ones attached to are described.

JP, 2006-188714, A JP 2003-229240 A

  As can be seen in Patent Document 1, in order to detect an object above the cooking device, an object detector having a transmission unit that transmits an object detection signal such as infrared rays and a reception unit that receives the reflection signal In the cooking device, there are many cases where deposits such as spills adhere to the top surface of the casing of the cooking device facing the transmitter or receiver.

  And when such a deposit | attachment adheres to a top | upper surface, since transmission / reception of the signal for an object detection will be inhibited, there exists a possibility that it may become impossible to detect the object above a heating cooking apparatus appropriately.

  In view of this, when a deposit such as a spillage adheres to a location facing the transmitter or receiver of the object detector, it is conceivable to notify the user of cleaning the deposited location.

  However, the transmission unit and the reception unit are generally small and are usually mounted on the cooking device so that they are not visible or difficult to see. For this reason, when performing notifications as described above, it is desirable that the user can easily recognize the locations where the transmission unit and the reception unit are to be cleaned.

  In this case, it is conceivable that a print mark as shown in, for example, Patent Document 2 is attached to an arrangement place of the transmission unit and the reception unit of the object detector. However, such a printed mark is liable to deteriorate the design of the cooking device, and is not easily visible due to the progress of dirt over time or peeling. In addition, since the print mark merely indicates the location where the transmission unit and the reception unit are arranged, it is difficult for the user to determine the timing at which the location should be cleaned.

  The present invention has been made in view of such a background, and when an adhering material such as spillage adheres to the top surface of the transmitting portion and the receiving portion of the object detection signal, the transmitting portion and the receiving portion It aims at providing the cooking device which can make a user recognize a placement location appropriately.

In order to achieve the above object, the heating cooking apparatus of the present invention includes one or more heating units that heat an object to be heated that is disposed above the top surface;
A set of a transmission unit that transmits an object detection signal from the lower side of the top surface to the upper side of the top surface and a reception unit that receives a reflected signal of the object detection signal is provided on the lower side of the top surface, One or more object detectors that are capable of detecting an object that is present above the top surface and reflects the object detection signal;
The object detector is configured to detect whether or not the object is an object in contact with the top surface when detecting an object reflecting the object detection signal.
A notification unit that generates a notification output indicating an arrangement location of the transmission unit and the reception unit of the object detector that has detected the top surface contact object when a top surface contact object that is an object in contact with the top surface is detected; (First invention).

  In the present invention, the “location where the transmission unit and the reception unit are arranged” refers to a local location on the top surface facing each or both of the transmission unit and the reception unit, or close to the local location. Means a place.

  According to the first aspect of the present invention, when an adhering material such as boiled spillage adheres to the top surface of the object detector where the transmitting unit and the receiving unit are arranged, the object detector detects the top surface contact object. The Then, at this time, the notification unit generates a notification output indicating an arrangement location of the transmission unit and the reception unit of the object detector that has detected the top surface contact object. By this notification output, the user can recognize the arrangement locations of the transmission unit and the reception unit of the object detector. Further, since the notification output is generated in response to the detection of the top surface contact object, the user can recognize that it is the timing to clean the location where the transmission unit and the reception unit of the object detector are arranged.

  Therefore, when an adhering material such as a simmer is attached to the top surface of the location where the object detection signal transmitting unit and the receiving unit are arranged, the user can appropriately recognize the location of the transmitting unit and the receiving unit. . As a result, the user can appropriately clean the location.

  In the first invention, the notifying unit has a light emitting unit provided at an arrangement position of the transmitting unit and the receiving unit of the object detector, and the top detector is detected by the object detector. As the notification output, it is possible to adopt an aspect in which the light emitting unit is configured to emit light (second invention).

  According to this, the user can easily recognize the arrangement location of the transmission unit and the reception unit of the object detector by the light emission of the light emitting unit. In the second invention, in addition to transmitting the object detection signal, in addition to transmitting the object detection signal, the transmission unit functions as the light-emitting unit. Can be. A dedicated light emitting unit for the notification unit is not required.

  In the said 2nd invention, when the heat cooking apparatus is provided with the said some object detector, the said alerting | reporting part has the said light emission part for every each object detector, and any object detector When the top contact object is detected by the above, it is preferable that only the light emitting unit corresponding to the object detector that detects the top contact object emits light (third invention).

  According to this, when the top surface contact object is detected by any object detector, only the light emitting unit corresponding to the object detector that detected the top surface contact object is caused to emit light. Only necessary portions can be cleaned.

  In the first to third aspects of the invention, the notification unit starts generating a notification output indicating an arrangement location of the transmission unit and the reception unit of the object detector that has detected the top surface contact object, and then When the surface contact object is no longer detected by the object detector, the notification output is preferably stopped after a predetermined delay time has elapsed (fourth invention).

  According to this, it becomes easy for the user to confirm that the notification output of the notification unit is stopped by removing the top surface contact object. In particular, when the fourth invention is combined with the second invention or the third invention, the following effects can be obtained.

  That is, when an object such as a cooking container is placed on the top surface at the position where the transmission unit or the reception unit of the object detector is disposed, the object such as the cooking container is detected as the top surface contact object. There is a case. In this case, in the second or third invention, the light emitting unit emits light as the notification output.

  However, in this case, the emitted light emitting unit may be hidden under an object such as a cooking container, and as a result, the user may not be aware of the light emitted from the light emitting unit. However, when the fourth invention is combined with the second invention or the third invention, the transmitter or receiver of the object detector that detects an object such as a cooking container placed on the top surface as a top surface contact object. When the light is removed from the portion where the light is placed, the light emission of the light emitting portion continues thereafter until the delay time elapses. For this reason, the user can recognize that light emission of the light emitting unit was performed at a place where an object such as a cooking container was placed. As a result, the user can easily recognize that an object such as a cooking container should not be placed in the vicinity of the portion where the light emitting unit emits light.

The top view which looked at the heat cooking apparatus (stove) of one Embodiment of this invention from upper direction. The block diagram which shows the structure which concerns on operation control of the heat cooking apparatus of embodiment.

  An embodiment of the present invention will be described below with reference to FIGS. With reference to FIG. 1, the heating cooking apparatus 1 of this embodiment is a gas stove, for example, and heats a to-be-heated object (a cooking thing, a cooking container etc.) on the top | upper surface 2a (upper surface) of the housing | casing 2. FIG. A plurality of (three in the illustrated example) burners 3a, 3b, 3c serving as heating units are arranged so as to be exposed from the inside of the housing 2, and five virtues 4a are provided around each of the burners 3a, 3b, 3c. , 4b, 4c are arranged.

  In the cooking device 1 of the illustrated example, each of the burners 3a, 3b, 3c is disposed at the left front portion, right front portion, and rear center portion of the top surface 2a. Hereinafter, each of the burners 3a, 3b, and 3c may be referred to as a left burner 3a, a right burner 3b, and a rear burner 3c.

  Further, an exhaust port 5 for exhausting a grill box (not shown) in the housing 2 is provided at the rear end of the top surface 2a. Although not shown in the drawings, the front surface of the housing 2 has an operation unit for igniting and extinguishing the burners 3a, 3b, and 3c and adjusting the thermal power, a power switch, and an operation for automatic cooking operation. Etc. are provided.

  Inside the housing 2, a plurality of object detectors 10 capable of detecting an object (for example, a user's hand or arm) existing above the top surface 2 a and the same number of light emitting units 11 as the object detector 10. And the control part 12 which performs the operation control (including operation control of the light emission part 11) of the heating cooking apparatus 1 is mounted.

  In the present embodiment, the object detector 10 is, for example, a burner 3a, 3b on the left side and the front side of the left burner 3a, the right side and the front side of the right burner 3b, and the front side of the rear burner 3c. It is arranged in five places between each.

  Among these object detectors 10, the object detector 10 at the left side of the left burner 3 a is such that the user places his / her left hand to the left burner 3 a for moving the cooking container at the position of the left burner 3 a. The detector that enables detection of the left hand or the tip end portion of the left arm when approaching to the object detector 10 on the front side of the left burner 3a allows the user to cook, for example, the position of the rear burner 3c. This is a detector that can detect the left hand or a portion near the tip of the left arm when the left hand of the container is brought close to the rear burner 3c for moving the container or the like.

  Further, the object detector 10 on the right side of the right burner 3b is used when the user brings his / her right hand close to the right burner 3b, for example, to move the cooking container at the position of the right burner 3a. Alternatively, the detector that enables detection of a portion near the tip of the right arm, the object detector 10 at the front side of the right burner 3b, allows the user to move the cooking container at the position of the rear burner 3c, for example. This is a detector that can detect the right hand or a portion near the tip of the right arm when the user's right hand is brought close to the rear burner 3c.

  In addition, the object detector 10 at a position between the burners 3a and 3b in front of the rear burner 3c allows the user to place his / her right hand on the left burner 3a for moving the cooking container at the position of the left burner 3a, for example. The left hand when detecting the right hand or a portion near the tip of the right arm when moving close to the right burner, or when moving the left hand close to the right burner 3b, for example, to move the cooking container at the position of the right burner 3b Alternatively, it is a detector that makes it possible to detect a portion near the tip of the left arm.

  Each object detector 10 includes, for example, an infrared gesture sensor or a distance measuring sensor, and transmits an infrared ray as an object detection signal from the lower side to the upper side of the top surface 2a, and the transmission unit. A receiving unit 10b that receives an infrared reflected signal (reflected wave) transmitted from 10a. The transmitter 10a and the receiver 10b are provided close to each other. The top surface 2a is configured to allow infrared light to pass through at least a portion facing each of the transmission unit 10a and the reception unit 10b of each object detector 10.

  Each object detector 10 has an object that reflects the infrared rays transmitted from the transmitting unit 10a in the direction of infrared transmission (above the object detector 10), and receives an infrared reflected signal from the object. When the signal is received by the unit 10b, the object can be detected.

  In this case, when detecting an object, each object detector 10 is based on a reflected signal received by the receiving unit 10b by a known method such as a TOF method (TOF: Time of Flight) or a triangulation method. The distance to the detected object (or the magnitude) is measured. When each object detector 10 detects an object in an area where the measured value of the distance (or the degree of magnitude) is within a predetermined range (an area away from the top surface 2a to some extent), this is indicated. The detection signal shown is output. Accordingly, each object detector 10 can detect when a user's hand or arm is moved above the object detector 10 due to movement of the cooking container or the like.

  Further, each object detector 10 is directly above the object detector 10 when an object whose measured distance (or its magnitude) matches or substantially matches the distance to the top surface 2a is detected. A detection signal indicating that an object in contact with the top surface 2a (specifically, a portion of the top surface 2a facing the transmission unit 10a and the reception unit 10b of the object detector 10) is detected is output.

  Thereby, each object detector 10 is attached to the top surface 2a immediately above the object detector 10 when a deposit due to spilled food is attached or a cooking container such as a pan is placed. It is possible to detect the presence of an object in contact with the top surface 2a immediately above the object detector 10 (hereinafter referred to as a top surface contact object).

  Each of the light emitting units 11 constitutes a notification unit according to the present invention together with the control unit 12, and is configured by a light emitting diode or the like capable of emitting visible light of a predetermined color. Each light emitting unit 11 is provided close to each object detector 10 associated therewith. In addition, the part facing each light emission part 11 of the top | upper surface 2a is comprised so that the visible light which this light emission part 11 light-emits can be permeate | transmitted, or it is opened so that this light emission part 11 may be exposed.

  Here, since each light emitting unit 11 is provided in the vicinity of the corresponding object detector 10, when the light emitting unit 11 is caused to emit light, the light emitting portion corresponds to the light emitting unit 11 in the vicinity thereof. It is possible to notify the user that the object detector 10 to be placed is arranged (the arrangement location of the transmission unit 10a and the reception unit 10b of the object detector 10 is in the vicinity of the light emission location).

  Note that a plurality of light emitting units 11 corresponding to each object detector 10 may be provided around the object detector 10.

  The control unit 12 includes, for example, one or more electronic circuit units including a microcomputer, a processor, a memory, an interface circuit, and the like. As shown in FIG. 2, detection signals from the object detectors 10 are input to the control unit 12, and operation signals from an operation unit (not shown) of the cooking device 1 and detection signals from various sensors are input to the control unit 12. The And the control part 12 has a function which performs operation control of each burner 3a, 3b, 3c by the function implement | achieved by one or both of the mounted hardware structure and program (software structure), and each light emission part 11 has a function of controlling light emission.

  Next, the action | operation of the heat cooking apparatus 1 of this embodiment is demonstrated. First, an operation in the case where there is no object such as an adhering substance in contact with the top surface 2a immediately above each object detector 10 and infrared light is normally transmitted through the top surface 2a will be described.

  Each object detector 10 operates in a state where the cooking device 1 is turned on, and infrared rays as an object detection signal are transmitted from the transmission unit 10a of each object detector 10. In this state, when the combustion operation of the left burner 3a or the right burner 3b is started, the control unit 12 monitors the output of each object detector 10.

  At this time, for example, during the combustion operation with the thermal power equal to or higher than the predetermined thermal power of the left burner 3a, the control unit 12 detects the left or front object detector 10 of the left burner 3a, or the left burner 3a and the right burner 3b. An object was detected from one of the object detectors 10 in the region where the measured value of the distance (or the degree of magnitude) from the object detector 10 was a value within a predetermined range. When a detection signal indicating this is input, control is performed so that the heating power of the left burner 3a is weakened to a low heating power.

  In addition, the control unit 12 performs, for example, the object detector 10 on the right side or the front side of the right burner 3b or the left burner 3a and the right burner 3b during the combustion operation at a heating power higher than a predetermined heating power of the right burner 3b. An object has been detected from any of the object detectors 10 in the area in which the measured value of the distance (or degree of magnitude) from the object detector 10 is a value within a predetermined range. When a detection signal indicating is input, control is performed so that the heating power of the right burner 3b is weakened to a low heating power.

  Accordingly, when the user performs an action of bringing his / her hand or arm closer to the upper side of the left burner 3a or the right burner 3b during the combustion operation with a heating power equal to or higher than a predetermined heating power, the heating power of the left burner 3a or the right burner 3b is increased. It is automatically weakened.

  If there is no object such as a deposit (top surface contact object) in contact with the top surface 2a immediately above each object detector 10 and infrared light passes through the top surface 2a normally, each object is detected. The detector 10 does not output a detection signal indicating that a top contact object has been detected. In this situation, the control unit 12 maintains each light emitting unit 11 in the extinguished state.

  Next, the operation in the case where an adhering material such as spilled material is attached to the top surface 2a immediately above any object detector 10 will be described.

  When an adhering material such as simmered is attached to the top surface 2a immediately above the object detector 10 that transmits infrared light, the infrared light reflected by the adhering material is received by the receiving unit 10b. The measured value of the distance (or the degree of magnitude) by the object detector 10 coincides with or substantially coincides with the distance (or degree of magnitude thereof) to the top surface 2a. As a result, the object detector 10 detects the presence of a top surface contact object, and outputs a detection signal (hereinafter referred to as a contact object detection signal) indicating that to the control unit 12.

  At this time, the control unit 12 controls the light emitting unit 11 corresponding to the object detector 10 outputting the contact object detection signal to light (or blink). Thereby, the light emission part 11 corresponding to the object detector 10 of the position of the deposit | attachment adhering to the top | upper surface 2a light-emits the vicinity of this object detector 10. FIG. Then, the user who visually recognizes the light emission can recognize that the adhering material is attached in the vicinity of the light emitting unit 11 and can perform the removing operation of the adhering material (cleaning of the corresponding portion of the top surface 2a). .

  In addition, when detecting the top surface contact object by the object detector 10, in addition to causing the light emitting unit 11 corresponding to the object detector 10 to emit light, further, by display on a display (not shown), audio output, etc. You may make it alert | report that the top | upper surface 2a of the vicinity of a light emission location should be cleaned.

  When the top surface 2a immediately above the object detector 10 returns to a state in which infrared rays can normally pass through the work of removing the deposit on the top surface 2a immediately above the object detector 10, the object detector 10 The contact object detection signal is not output. In response to this, the control unit 12 stops the light emission of the light emitting unit 11 corresponding to the object detector 10. Thereby, the user can confirm that the removal work of the deposit on the top surface 2a immediately above the object detector 10 has been appropriately performed.

  By the way, each object detector 10 is not limited to the case where a deposit is attached to the top surface 2a immediately above the object detector 10, but even when a cooking container or the like is placed on the top surface 2a immediately above, The presence of a top surface contact object in contact with the top surface 2a is detected, and the contact object detection signal is output. As a result, the control part 12 makes the light emission part 11 corresponding to the object detector 10 which output this contact object detection signal light-emit (it lights or blinks).

  In this case, when the object detector 10 stops outputting the contact object detection signal in response to the removal of the top surface contact object (attachment or a placed object such as a cooking container) just above the object detector 10, It is possible to adopt a mode in which light emission of the light emitting unit 11 corresponding to the object detector 10 is immediately stopped.

  However, when the top surface contact object immediately above the object detector 10 is a placing object such as a cooking container, the object is placed only during the period when the placing object is placed on the top surface 2a immediately above the object detector 10. Since the light emitting unit 11 that is not directly visible or difficult to visually recognize is emitted under the mounted object, and the light emitting unit 11 stops emitting light immediately after the mounted object is removed, the user stops the light emitting unit 11. The user does not notice the light emission or feels uncomfortable with the light emission.

  Therefore, in the present embodiment, the control unit 12 causes the object detector 10 to pass after a slight delay time (for example, a delay time of about several seconds) has elapsed since the object detector 10 no longer outputs the contact object detection signal. The light emission of the light emitting unit 11 corresponding to 10 is stopped. As a result, when the user places a placing object such as a cooking container on the top surface 2a immediately above the object detector 10, the light emission unit 11 emits light and the placed object is removed. For example, it is possible to appropriately recognize that the light emission of the light emitting unit 11 is stopped and to recognize that the placement object should not be placed at the corresponding location.

  Further, in the case where a deposit is attached to the top surface 2a immediately above the object detector 10, the light emitting unit 11 corresponding to the object detector 10 emits light even if the placed object is not placed at the corresponding location. Is continuously performed, the user can easily recognize that the corresponding portion should be cleaned.

  According to the embodiment described above, when an adhering material such as a spilled material adheres to the top surface 2a immediately above each object detector 10, the light emitting unit 11 corresponding to the object detector 10 is caused to emit light, The removal of the deposit (cleaning of the top surface 2a) can be promoted, and the user can easily recognize the location where the deposit should be removed.

  In this case, since only the light emitting unit 11 corresponding to the object detector 10 in which the top surface contact object is detected emits light, the cleaning work by the user only needs to be performed in the vicinity of the light emitting portion of the top surface 2a. Can do.

  In addition, the light emission of the light emitting unit 11 corresponding to the object detector 10 in which the top surface contact object is detected is stopped after a certain delay time has elapsed since the top surface contact object is no longer detected. In addition to the case where the top surface contact object is a deposit such as a spill, it is ensured that the light emission of the light emitting unit 11 stops after the top surface contact object is removed even when the top surface contact object is a placed object such as a cooking container. Can be recognized. For this reason, the user can easily recognize that the object should not be placed near the light emitting unit 11.

  In addition, this invention is not limited to embodiment described above, Other embodiment can also be employ | adopted. Several other embodiments will be described below.

  In the said embodiment, what provided the light emission part 11 different from this object detector 10 for every object detector 10 was illustrated. However, for example, when the transmission unit 10a of the object detector 10 can output visible light in addition to infrared rays as an object detection signal by its output control or the like, the transmission unit 10a emits light. When the top surface contact object is detected, the transmitter 10a may emit visible light. In such a case, the light emitting unit 11 different from each object detector 10 can be omitted.

  Moreover, in the said embodiment, only the light emission part 11 corresponding to the object detector 10 from which the top-surface contact object was detected was made to light-emit. However, when a top surface contact object is detected by any of the object detectors 10, for example, all the light emitting units 11 can emit light. In this way, the top surface 2a immediately above all the object detectors 10 can be easily kept clean.

  Moreover, in the said embodiment, although the light emission of the light emission part 11 was used as an alerting | reporting output which shows the arrangement | positioning location of the transmission part 10a of each object detector 10, and the receiving part 10b, the indicator with which the heating cooking apparatus 1 was equipped, etc. In addition, it is possible to display the location of the object detector 10 that has detected the top surface contact object (location of the transmission unit 10a and the reception unit 10b).

  Moreover, in the said embodiment, since the transmission part 10a and the receiving part 10b of each object detector 10 are adjoining, the light emission part 11 corresponding to each object detector 10 is the transmission part 10a of this object detector 10, and It corresponds to both of the receiving unit 10b. However, when the transmission unit 10a and the reception unit 10b of each object detector 10 are arranged at some distance from each other, a notification unit such as the light emitting unit 11 is provided for each of the transmission unit 10a and the reception unit 10b. You may make it prepare.

  Moreover, in the said embodiment, the heat cooking apparatus 1 provided with the some object detector 10 was illustrated. However, the present invention can also be applied to a cooking device including a single object detector. The cooking device to which the present invention is applied is not limited to a gas stove, and may be a cooking device having an electric heater or an IH heater as a heating unit.

DESCRIPTION OF SYMBOLS 1 ... Heat cooking apparatus, 2a ... Top surface, 3a, 3b, 3c ... Burner (heating part), 10 ... Object detector, 10a ... Transmission part, 10b ... Reception part, 11 ... Light emission part (notification part), 12 ... Control unit (notification unit).

Claims (4)

One or more heating units for heating an object to be heated arranged on the upper side of the top surface;
A set of a transmission unit that transmits an object detection signal from the lower side of the top surface to the upper side of the top surface and a reception unit that receives a reflection signal of the object detection signal is provided on the lower side of the top surface, One or more object detectors capable of detecting an object that exists above the top surface and reflects the object detection signal;
The object detector is configured to detect whether or not the object is an object in contact with the top surface when detecting an object reflecting the object detection signal.
A notification unit that generates a notification output indicating an arrangement location of the transmission unit and the reception unit of the object detector that has detected the top surface contact object when a top surface contact object that is an object in contact with the top surface is detected; A heating cooking apparatus comprising: The cooking apparatus according to claim 1, wherein
The notification unit has a light emitting unit provided at the arrangement location of the transmission unit and reception unit of the object detector, and when the top surface contact object is detected by the object detector, as the notification output, A heating cooking apparatus configured to emit light of the light emitting unit. The cooking apparatus according to claim 2,
A plurality of the object detectors,
The notification unit has the light emitting unit separately for each object detector, and the object detector that detects the top surface contact object when the top surface contact object is detected by any object detector A cooking apparatus characterized by being configured to emit light only from the light emitting section corresponding to the above. In the heat cooking apparatus of any one of Claims 1-3,
The notification unit starts generating a notification output indicating an arrangement location of the transmission unit and the reception unit of the object detector that has detected the top surface contact object, and then the top surface contact object is detected by the object detector. A cooking apparatus characterized by being configured to stop the notification output after elapse of a predetermined delay time when it is no longer detected.