CN111034356A - Heating cooking system, method for notifying installation state of temperature detection unit used in heating cooker, and method for adjusting installation state of temperature detection unit used in heating cooker - Google Patents

Abstract

Provided is a heating cooking system, wherein a temperature detection unit for detecting the temperature of the top plate of a heating cooking device from above is arranged at an appropriate position. The heating cooking system comprises: a top plate on which a container for accommodating a cooking object is placed; a heating portion provided below the top plate; a temperature detection unit that detects a temperature distribution on the top plate from above; a control unit having a heating area determination unit that determines whether or not the heating unit is present within a field of view of the temperature detection unit, based on the temperature distribution on the top plate; and a notification unit that notifies the determination result of the heating region determination unit.

Description

Heating cooking system, method for notifying installation state of temperature detection unit used in heating cooker, and method for adjusting installation state of temperature detection unit used in heating cooker

Technical Field

The present disclosure relates to a heating cooking system for recognizing a cooking state of an object to be heated, a method for notifying an installation state of a temperature detector used in a heating cooking device, and a method for adjusting an installation state of a temperature detector used in a heating cooking device.

Background

Conventionally, the heating power of a heating cooker is adjusted according to the temperature of a pan bottom. The temperature of the pan bottom is detected by a temperature detecting element disposed below the plate. However, when a temperature difference occurs between the temperature in the pan and the temperature of the pan bottom, the temperature transmission from the pan to the pan bottom is delayed, and the detection accuracy of the temperature detection element is lowered. For example, even if the temperature of the pot is lowered by the food material put into the pot, if the temperature of the bottom of the pot is maintained high, it takes time to return the temperature of the pot to the original temperature. Further, for example, even if the temperature in the pan rapidly becomes high, if the temperature of the bottom of the pan is kept low, it takes time to lower the temperature in the pan, and there is a case where the heating power is unstable due to scorching or the like.

Therefore, for example, in the heating cooker of patent document 1, a temperature detection device is disposed to be attachable to and detachable from the duct. The temperature detection device can communicate with the heating cooker and detect the temperature of the object to be heated from above.

The heating cooker of patent document 1 adjusts the installation position of the temperature detection device using an infrared element mounted on a temperature detection element disposed above. The infrared rays irradiated from the infrared ray element are received in a plurality of communication units disposed below a plate of the heating cooker. The position of the temperature detection element is calculated from the difference in the amount of light received in each communication section.

Documents of the prior art

Patent document

Patent document 1: japanese patent laid-open publication No. 2015-106462

Disclosure of Invention

Problems to be solved by the invention

However, in the heating cooker of patent document 1, when infrared communication is cut off by placing a cooking container or the like on any of the plurality of communication units, the position of the temperature detection element cannot be calculated appropriately. As a result, the position of the temperature detection device cannot be adjusted.

Therefore, an object of the present disclosure is to solve the above-described problem, and a temperature detection unit that detects the temperature of the top plate of the heating cooker from above is disposed at an appropriate position.

Means for solving the problems

In order to achieve the above object, a heating cooking system according to one aspect of the present disclosure includes a top plate, a heat generating portion, a temperature detecting portion, a control portion, and a notification portion. The top plate is provided with a container for accommodating a cooking object. The heating part is arranged below the top plate. The temperature detection unit detects a temperature distribution on the top plate from above. The heating area determination unit determines whether or not the heat generation unit is present within a visual field of the temperature detection unit based on the temperature distribution on the top plate. The notification unit notifies a determination result of the heating region determination unit.

In addition, one aspect of the present disclosure is a method of notifying an installation state of a temperature detection unit used in a heating cooker including: a top plate on which a container for accommodating a cooking object is placed; and a heat generating portion provided below the top plate. The method includes a detection step of detecting a temperature distribution on the top plate from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit. The method includes a reporting step of reporting the determination result output in the determining step.

Another aspect of the present disclosure is a method of adjusting a state of installation of a temperature detection unit used in a heating cooker including: a top plate on which a container for accommodating a cooking object is placed; and a heat generating portion provided below the top plate. The method includes a detection step of detecting a temperature distribution on the top plate from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit. The method includes a guidance step of outputting guidance information for guiding a change in the installation state of the temperature detection unit based on a determination result in the determination step.

ADVANTAGEOUS EFFECTS OF INVENTION

Thus, in the present disclosure, the temperature detection unit that detects the temperature of the top plate of the heating cooker from above is disposed at an appropriate position.

Drawings

Fig. 1 is a perspective view of a heating cooking system according to embodiment 1.

Fig. 2 is a plan view of the heating cooker.

Fig. 3 is an explanatory diagram showing a state of installation of the heating cooking system in a side view.

Fig. 4 is a block diagram showing a control system of the heating cooking system according to embodiment 1.

Fig. 5 is an explanatory diagram illustrating an example of the temperature state of the top plate.

Fig. 6 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 7 is a flowchart showing a processing procedure of the cooking state recognition unit.

Fig. 8 is a flowchart showing a processing procedure of the control section of the main body.

Fig. 9 is a flowchart showing a processing procedure of the control section of the main body.

Fig. 10 is an explanatory diagram showing an example of the predetermined area information.

Fig. 11 is an explanatory diagram showing an example of the predetermined area information.

Fig. 12 is an explanatory diagram illustrating an example of the predetermined area information.

Fig. 13 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit having a deviated direction.

Fig. 14 is an explanatory diagram illustrating an example of the correction guidance of the deviation of the cooking state recognition unit.

Fig. 15 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit having a deviated direction.

Fig. 16 is an explanatory diagram illustrating an example of the correction guidance of the deviation of the cooking state recognition unit.

Fig. 17 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit having a deviated direction.

Fig. 18 is an explanatory diagram illustrating an example of the correction guidance of the deviation of the cooking state recognition unit.

Fig. 19 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit having a deviated direction.

Fig. 20 is an explanatory diagram illustrating an example of the correction guidance of the deviation of the cooking state recognition unit.

Fig. 21 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit having a direction deviation.

Fig. 22 is an explanatory diagram illustrating an example of the guidance for correcting the deviation of the cooking state recognition unit.

Fig. 23 is a flowchart showing the processing procedure in the cooking mode using temperature information.

Fig. 24 is an explanatory diagram illustrating an example of the temperature state of the top plate.

Fig. 25 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 26 is an explanatory diagram illustrating an example of the temperature state of the top plate.

Fig. 27 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 28 is an explanatory diagram illustrating an example of the temperature state of the top plate.

Fig. 29 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 30 is an explanatory diagram showing an example of the temperature state of the top plate.

Fig. 31 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 32 is a block diagram showing a control system of a heating cooking system according to embodiment 2.

Fig. 33 is a flowchart showing a processing procedure of the cooking state recognition unit.

Fig. 34 is a flowchart showing the processing procedure in the cooking mode using temperature information.

Fig. 35 is a perspective view of a heating cooking system according to embodiment 3.

Fig. 36 is a block diagram showing a control system of a heating cooking system according to embodiment 3.

Fig. 37 is a flowchart showing a processing procedure of the cooking state recognition unit.

Fig. 38 is a flowchart showing a processing procedure of the cooking state recognition unit.

Fig. 39 is a flowchart showing the processing procedure of the cooking state recognition unit.

Fig. 40 is a flowchart showing a processing procedure of the cooking state recognition unit.

Fig. 41 is a flowchart showing the processing procedure of the portable terminal.

Fig. 42 is a flowchart showing the processing procedure of the mobile terminal.

Fig. 43 is an explanatory diagram illustrating an example of correction guidance for deviation of the cooking state recognition unit in the mobile terminal.

Fig. 44 is a side view of the heating cooking system in a state where the cooking state recognition unit is mounted on a wall.

Fig. 45 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 46 is a side view of the heating cooking system in a state where the cooking state recognition unit is mounted on a wall.

Fig. 47 is an explanatory view showing an example of the thermal image detected by the temperature detection unit.

Fig. 48 is a side view showing a state of arrangement of the heating cooking system.

Fig. 49 is an explanatory diagram illustrating an example of the temperature state of the top plate.

Fig. 50 is an explanatory diagram showing an example of the thermal image detected by the temperature detection unit.

Fig. 51 is a side view showing a state of installation of the heating cooking system.

Fig. 52 is a side view showing a state of installation of the heating cooking system.

Detailed Description

One embodiment of the present disclosure is a heating cooking system including a top plate, a heat generating unit, a temperature detecting unit, a control unit, and a notification unit. The top plate mounts a container for accommodating a cooking object. The heating part is arranged below the top plate. The temperature detection unit detects a temperature distribution on the top plate from above. The heating area determination unit determines whether or not the heat generation unit is present within a visual field of the temperature detection unit based on the temperature distribution on the top plate. The notification unit notifies a determination result of the heating region determination unit.

Predetermined region information may be input to the heating region determination unit, the predetermined region information specifying a region in which the heat generating portion is disposed within the visual field of the temperature detection unit. The heating region determination unit may compare position information indicating a position of the heating portion included in the temperature distribution on the top plate with the predetermined region information.

The heat generating portion may be a heating coil that heats the container from below.

The heat generating portion may be a heating coil that heats the container from below. The heating cooking system may also have: a coil control unit that controls a heating amount of the heating coil; and a container detection sensor that detects the container placed above the heating coil. The control unit may output guidance information for guiding a user to place the container above the heating coil to the notification unit. The coil control unit may start heating the heating coil when the container detection sensor detects placement of the container. The position information indicating the position of the heat generating portion included in the temperature distribution may correspond to temperature information of at least one of the container and the cooking object in the container included in the temperature distribution.

The control unit may set an adjustment mode different from a normal cooking mode when the power is turned on for the first time. In the adjustment mode, the temperature detector may detect a heated region of the top plate. The heating region determination unit may determine whether the heating portion is present in the field of view based on whether the heated region is present in the field of view.

The heating cooking system may further include an operation input unit that receives a setting of an adjustment mode of the temperature detection unit that is different from a normal cooking mode. When the operation input unit accepts the setting of the adjustment mode, the temperature detection unit detects a heated region on the top plate. The heating region determination unit may determine whether the heating portion is present in the field of view based on whether the heated region is present in the field of view.

The control unit may output guidance information for placing a part of the human body in a predetermined area to the notification unit. The heating area determination unit may determine whether or not the heating portion is present within the visual field of the temperature detection unit, based on temperature information of the part of the human body included in the temperature distribution detected by the temperature detection unit.

The heating cooking system may also have: a grill cooking unit disposed below the top plate and configured to heat a cooking object; and an exhaust port for exhausting air generated in the grill cooking part. The heat generating portion may be the exhaust port.

The heating cooking system may also have a heating coil that heats the container from below. The heat generating portion may be a detection heat generating body different from the heating coil.

The temperature detection unit may be provided in the cooking state recognition unit. The cooking state recognition unit may include a communication unit capable of transmitting information to the mobile terminal by wireless communication. The communication unit may be configured to transmit information of the temperature distribution on the top plate detected by the temperature detection unit to the portable terminal.

The heating cooking system may also have: a drive unit that adjusts a detection direction of the temperature detection unit; and a drive control unit that controls at least one of a drive direction and a drive amount of the drive unit. The drive control unit may calculate at least one of the drive direction and the drive amount of the drive unit based on a determination result of the heating region determination unit, and perform drive control of the drive unit.

The control unit may generate guidance information for guiding a detection direction of the temperature detection unit based on the determination result of whether or not the heating unit is within the visual field of the temperature detection unit, and output the guidance information to the notification unit.

The notification unit may output a visual display using at least one of a character and an image.

The notification unit may perform notification using at least one of sound, light, and vibration.

The predetermined area information may be obtained from a server via a communication network.

The temperature detection unit may have an imaging surface with 64 or more pixels arranged in a plane.

The distance from the temperature detection unit to the top plate may be 600mm to 2000 mm.

The temperature detection unit may be at least one of an infrared sensor and a thermal image camera.

One embodiment of the present disclosure is a method of notifying an installation state of a temperature detection unit used in a heating cooker. The heating cooker comprises: a top plate on which a container for accommodating a cooking object is placed; and a heat generating portion provided below the top plate. The method includes a detection step of detecting a temperature distribution on the top plate from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit. The method includes a reporting step of reporting the determination result output in the determining step.

Another aspect of the present disclosure is a method of adjusting a state of installation of a temperature detection unit used in a heating cooker including: a top plate on which a container for accommodating a cooking object is placed; and a heat generating portion provided below the top plate. The method includes a detection step of detecting a temperature distribution on the top plate from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit. The method includes a guidance step of outputting guidance information for guiding a change in the installation state of the temperature detection unit based on a determination result in the determination step.

(embodiment mode 1)

A heating cooking system according to embodiment 1 of the present disclosure will be described below with reference to fig. 1 to 4. Fig. 1 is a perspective view of a heating cooking system 100 according to embodiment 1 of the present disclosure. Fig. 2 is a plan view of heating cooker 1 according to embodiment 1. Fig. 3 is a side view showing a state of arrangement of the heating cooking system 100. Fig. 4 is a block diagram showing a control system of the heating cooking system 100. In the figure, the X-axis direction represents the longitudinal direction of the heating cooker 1, the Y-axis direction represents the front-rear direction, and the Z-axis direction represents the height direction. The positive direction of the X axis is the right, and the negative direction of the X axis is the left. The positive direction of the Y axis is set as the rear, and the negative direction of the Y axis is set as the front.

As shown in fig. 1, the heating cooking system 100 includes a heating cooker 1 and a cooking state recognition unit 19. The heating cooker 1 includes a main body 3 and a top plate 5 as an upper side portion of the main body 3 on which a container Cr is placed. The container Cr accommodates an object to be heated Tc to be cooked such as stew.

In embodiment 1, the heating cooker 1 is an induction heating cooker. As shown in fig. 1, heating coils 7A, 7B, and 7C are disposed as heating portions of the heating cooker 1 below a region of the top plate 5 where the container Cr is placed (hereinafter referred to as a container placement region) and inside the main body 3. Ring-shaped marks 8A, 8B, and 8C indicating container placement areas are printed on the top plate 5 above the corresponding heating coils 7A, 7B, and 7C, respectively. The heating coils 7A to 7C generate an induction magnetic field to heat the container Cr. The coil control unit 10 supplies high-frequency current to the heating coils 7A to 7C to heat the container Cr. The coil control unit 10 controls the amount of current flowing through the heating coils 7A to 7C.

Further, in a plan view, light emitting units 6A, 6B, and 6C that emit light annularly are disposed on the top plate 5 outside the heating coils 7A, 7B, and 7C, respectively. The light emitting units 6A, 6B, and 6C emit light when, for example, a current flows through the corresponding heating coils 7A, 7B, and 7C. Each of the Light Emitting units 6A to 6C has, for example, an LED (Light Emitting Diode) Light Emitting substrate.

A plurality of operation input units 9A, 9B, and 9C for a user to operate the heating coils 7A to 7C, respectively, are disposed on the front side of the top plate 5 of the heating cooker 1. The operation input units 9A to 9C may be touch keys or touch panels, for example. The operation input unit 9A corresponds to the heating coil 7A, the operation input unit 9B corresponds to the heating coil 7B, and the operation input unit 9C corresponds to the heating coil 7C. The coil control unit 10 controls the start or stop of heating by the heating coil 7A in accordance with an operation instruction from the operation input unit 9A. The coil control unit 10 adjusts the heating level of the heating coil 7A in 4 stages, for example, in accordance with the operation instruction of the operation input unit 9A.

The main body 3 further includes a notification unit 4, and the notification unit 4 notifies information on heating of the heating coils 7A to 7C. The notification unit 4 includes a display unit 11 and a sound output unit 15. Display unit 11 is disposed on the front side of top plate 5 of heating cooker 1, and displays the heating levels of heating coils 7A to 7C. The display unit 11 has, for example, a band shape extending in the longitudinal direction of the top plate 5. The display unit 11 is a black-and-white liquid crystal panel, but may be a color liquid crystal panel. Sound output unit 15 is disposed on the front surface side of cooking device 1, and outputs sound guidance to the user. The sound output unit 15 is, for example, a speaker.

Setting unit 13 is provided on the front surface side of main body 3 of heating cooker 1 so that the user can set heating by heating coils 7A to 7C in detail. The setting unit 13 is capable of being put into and taken out from the main body 3, and includes: a setting key 13a for setting heating by the heating coils 7A to 7C in detail; and a setting display unit 13b for displaying the setting contents and the detailed states of the heating coils 7A to 7C. The setting unit 13 sets at least one of a heating temperature, a heating time, a timer, and the like of the heating coils 7A to 7C, for example.

The heating cooker 1 includes a grill cooking portion 14 and an exhaust port 16 for exhausting air generated in the grill cooking portion 14. The grill cooking unit 14 includes, for example, a grill heater (not shown) heated by electricity. The grill cooking unit 14 heats a cooking object in its space in the chamber by a grill heater. The hot air in the space in the grill cooking unit 14 is discharged from the air outlet 16 to the outside of the main body 3.

A range hood 17 is disposed above the heating cooker 1. The range hood 17 sucks air above the heating cooker 1 into the interior through a hood portion 17a provided at a lower portion, and discharges the air from a discharge port communicating with the outside.

The heating cooker 1 further includes a cooking state recognition unit 19 for recognizing a cooking state of the object Tc to be heated on the top plate 5 from above. The cooking state recognition unit 19 is disposed at a position separated from the top plate 5, and is, for example, disposed so as to be detachable from the center of the cover portion 17a of the range hood 17. Specifically, the cooking state identification unit 19 is attached by, for example, a magnet, an adhesive, or a clip.

The cooking state recognition unit 19 includes a temperature detection unit 19a that detects a temperature distribution on the top plate 5 from above. The temperature detection unit 19a is a temperature sensor that detects a temperature distribution in the visual field, and is, for example, an infrared sensor or a thermal image camera. The visual field range is a range in which the temperature detection unit 19a can collect infrared rays. The thermal image detected by the temperature detector 19a includes information on the temperature distribution on the top plate 5. The temperature detector 19a can capture an image of the entire top 5 from above as long as it is set in an appropriate imaging direction. The cooking state recognition unit 19 may be disposed in a ventilation fan, a duct, a ceiling, or a wall, in addition to the range hood 17.

The distance from the temperature detector 19a to the top plate 5 is, for example, 600mm to 2000 mm. The temperature detection unit 19a has a number of pixels of 64 pixels or more arranged on a plane. The temperature detection unit 19a according to embodiment 1 has an imaging surface, which includes 256 pixels, for example, 16 pixels in the vertical direction × 16 pixels in the horizontal direction.

The main body 3 has a communication part 21, and the cooking condition recognition part 19 has a communication part 23 for wireless communication between the main body 3 and the cooking condition recognition part 19. The thermal image detected by the temperature detector 19a is transmitted through the communication unit 23, and received by the main body 3 through the communication unit 21. The communication units 21 and 23 each have an antenna, and are wirelessly connected by wireless communication such as Wi-Fi (registered trademark), Bluetooth (registered trademark), or BLE (Bluetooth Low Energy). Instead of having the communication units 21 and 23, the main body 3 and the cooking state recognition unit 19 may be connected by a wire.

The heating cooker 1 includes a control unit 25 and a storage unit 27 inside the main body 3. The control Unit 25 is a Processing device such as a CPU (Central Processing Unit) or a microprocessor, for example, and is configured to implement various functions by executing programs stored in the storage Unit 27 such as a ROM (Read Only Memory), a RAM (Random Access Memory), a hard disk, and an SSD (Solid State Drive).

The control unit 25 includes a heating area determination unit 25a and a guide information output unit 25 b. The heating region determination unit 25a determines whether or not the regions of the heating coils 7A to 7C, which are heat generating portions, are present within the visual field of the temperature detection unit 19a, based on the temperature distribution on the top plate 5. The result of the determination is notified to the user from the notification unit 4. Thereby, the user can know whether the cooking state recognition unit 19 is set in the correct direction. That is, the user can recognize whether the installation state of the temperature detection unit 19a is normal or abnormal.

With reference to fig. 5 and 6, a case where the respective regions of the heating coils 7A to 7C exist within the visual field of the temperature detection unit 19a will be described. Fig. 5 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. Fig. 6 is an explanatory diagram illustrating an example of the thermal image 19aa detected by the temperature detection unit 19 a.

In fig. 5, the temperature on the top plate 5 is 30 ℃ which is the same as the ambient temperature, and heating zones 29A, 29B, and 29C heated by heating coils 7A, 7B, and 7C are 50 ℃. Since the hot air is not discharged from the grill cooking portion 14, the exhaust port 16 is 30 ℃ which is the same as the ambient temperature. Since each of the heating coils 7A to 7C has a resistance component, when a current flows, each of the heating coils generates heat. The heating coils 7A to 7C that generate heat directly above the respective heating coils 7A to 7C in the top plate 5. These heating sections are heating zones 29A to 29C.

Since the heating regions 29A to 29C correspond to the regions of the heating coils 7A to 7C, if the heating regions 29A to 29C in the thermal image detected by the temperature detector 19A are present at predetermined positions, it can be determined that the regions of the heating coils 7A to 7C are present within the visual field of the temperature detector 19A.

Fig. 6 shows a reference thermal image 19aa as a thermal image when the cooking state recognition unit 19 is appropriately disposed. In the thermal images described below, white dots represent the area from 30 ℃ to 39 ℃. In addition, the heating zones 31A, 31B, and 31C on the reference thermal image 19aa corresponding to the respective heating zones 29A, 29B, and 29C are detected as the zones from 50 ℃ to 59 ℃.

The heating area determination unit 25a compares the thermal image detected by the temperature detection unit 19a with the predetermined area information stored in the storage unit 27. Here, the predetermined area information is information stored in the storage unit 27 in advance, and will be described in detail later. That is, the heating area determination unit 25a determines whether or not the heating areas 31A to 31C on the detected thermal image match each of the areas in the predetermined area information. This makes it possible to determine whether or not the respective regions of the heating coils 7A to 7C are present within the visual field of the temperature detection unit 19 a.

Next, a method of adjusting the heating coils 7A to 7C so that the regions are included in the visual field of the temperature detection unit will be described with reference to fig. 7 to 9. Fig. 7 is a flowchart showing the processing procedure of the cooking state recognition unit 19. Fig. 8 and 9 are flowcharts showing the processing procedure of the control unit 25 of the main body 3.

The cooking state recognition unit 19 is attached to the cover portion 17a of the range hood 17 and is powered on by the user. Thereby, the adjustment procedure of the cooking state recognition unit 19 is started.

In step S1, the communication unit 23 of the cooking state recognition unit 19 and the communication unit 21 of the main body 3 are connected. This connection process also includes connection request transmission/reception between the communication units 23 and 21 and status confirmation between the temperature detection unit 19a of the cooking status recognition unit 19 and the control unit 25 of the main body 3.

If the communication unit 23 of the cooking state recognizer 19 and the communication unit 21 of the main body 3 are successfully connected in step S2, the process proceeds to step S3. In step S2, if the connection between the communication unit 23 of the cooking state recognition unit 19 and the communication unit 21 of the main body 3 is not successful, step S1 is executed again.

In step S3, the temperature detection unit 19a acquires temperature information. As the temperature information, for example, a thermal image in the visual field of the temperature detection unit 19a is acquired.

In step S4, the temperature detection unit 19a transmits the acquired temperature information to the control unit 25 of the main body 3 via the communication units 23 and 21.

After the temperature information is transmitted, in step S5, the connection between the communication unit 23 of the cooking state recognition unit 19 and the communication unit 21 of the main body 3 is disconnected. This reduces the power consumption of the cooking state recognition unit 19. After the lapse of the predetermined time, the processing from step S1 is performed again, and the temperature information at predetermined time intervals is transmitted from the cooking state recognition unit 19 to the control unit 25.

Next, a process procedure of the control unit 25 of the main body 3 will be described with reference to fig. 8. When the adjustment mode is set when the power is turned on for the first time in the main body 3 or when the user selects the cooking mode using the temperature information, the following processing steps are performed. The adjustment mode is an adjustment mode of the cooking state recognition unit 19 and is a mode different from a normal cooking mode in which cooking is performed. In the present embodiment, the adjustment mode is set by the user inputting through the setting key 13 a.

In step S11, the connection process between the control unit 25 of the main body 3 and the temperature detection unit 19a of the cooking state recognition unit 19 is performed via the communication units 21 and 23.

If the communication unit 23 of the cooking state recognition unit 19 and the communication unit 21 of the main body 3 are not successfully connected in step S12, a guidance indicating that the communication connection between the main body 3 and the cooking state recognition unit 19 has failed is output from the display unit 11 and the sound output unit 15 in step S13. With this guidance, the user can confirm whether or not the cooking state recognition unit 19 is powered on. After a predetermined time has elapsed since the guidance of the communication connection failure is output, the processing is performed again from step S11.

When the control unit 25 of the main body 3 and the temperature detection unit 19a of the cooking state recognition unit 19 are successfully connected in step S12, the control unit 25 notifies the display unit 11 and the sound output unit 15 of the guidance of successful communication connection between the main body 3 and the cooking state recognition unit 19 in step S14.

In step S15, the control unit 25 determines whether or not the initial setting of the cooking state recognition unit 19 is completed. If the initial setting of the cooking state recognition unit 19 is completed as in yes at step S15, the process proceeds to another processing step L in which the temperature information is used to detect the cooking object.

If the initial setting of the cooking state identifier 19 is not completed as in no at step S15, the controller 25 notifies the display unit 11 and the sound output unit 15 of guidance that the initial setting of the cooking state identifier 19 is not completed at step S16. When the initial setting of the cooking state recognition unit 19 is not completed, the control unit 25 performs the processing of adjusting the mode of the cooking state recognition unit 19. The control unit 25 instructs the coil control unit 10 to adjust the mode.

In step S17, the coil control unit 10 controls the heating coils 7A to 7C using the output in the adjustment mode. Thereby, the heating coils 7A to 7C are heated, and after a predetermined time has elapsed, the heating zones 29A to 29C are heated to at least 5 ℃ higher than the ambient temperature. Then processing step M is entered.

Next, the steps from step S17 will be described with reference to fig. 9. In step S18, control unit 25 determines whether or not reception of the temperature information acquired by temperature detection unit 19a is completed after a predetermined time has elapsed since coil control unit 10 outputted heating coils 7A to 7C.

If the reception of the temperature information has not been completed as in no at step S18, the control unit 25 waits for a predetermined time period for the temperature information to be sent from the temperature detection unit 19 a. When the control unit 25 confirms that the reception of the temperature information from the temperature detection unit 19a is completed as in yes at step S18, the control unit 25 acquires the predetermined area information from the storage unit 27 at step S19.

Here, the predetermined area information will be described with reference to fig. 10 to 12. Fig. 10 to 12 are explanatory views each showing an example of the predetermined area information. The predetermined region information is information for defining the arrangement region of the heating coils 7A to 7C of the heating cooker 1 within the visual field of the temperature detection unit 19 a. The predetermined area information is information that differs according to the layout of the heating coils 7A to 7C of the heating cooker 1. The predetermined area information is stored in the storage unit 27 in advance.

For example, in the case of the layout of the heating coils 7A to 7C in the heating cooker 1 according to embodiment 1, as an example of the predetermined area information, there is illustrated information shown in fig. 10 in which 3 areas, that is, an area a, an area B, and an area C, are defined in the rear part, the area B is defined in the front left part, and the area C is defined in the front right part, in the image area 19B of the thermal image acquired by the temperature detection unit 19 a. The positional information of these areas a to C with respect to the image area 19b is included in the predetermined area information.

When there are 1 temperature region higher than the temperature of the top plate 5 in each of these regions a to C, the heating region determination unit 25a can determine that the heating coils 7A to 7C are correctly included in the visual field range of the temperature detection unit 19 a.

As another example of the predetermined area information, there is given information shown in fig. 11, in which 3 areas, that is, an area E defined at the rear and having 4 × 4 pixels, an area F defined at the front left and having 5 × 5 pixels, and an area G defined at the front right and having 5 × 5 pixels, are defined in the image area 19b of the thermal image. The positional information of these areas E to G with respect to the image area 19b is included in the predetermined area information.

When there are temperature regions higher than the temperature of the top plate 5 in each of these regions E to G, the heating region determination unit 25a can determine that the heating coils 7A to 7C are correctly included in the visual field range of the temperature detection unit 19 a. In this example, the visual field range of the temperature detection unit 19a can be more appropriately directed to the regions of the heating coils 7A to 7C.

As another example of the predetermined area information, as shown in fig. 12, there is given information that, in the image area 19b of the thermal image, the areas E to G are located at positions separated by at least 1 pixel from the outer end of the image area. In this example, a high-temperature region around the heating coils 7A to 7C can be detected. Thus, for example, in the case where overflow from the container occurs, overflow can be detected at the pixels on the outer periphery of each of the areas E to G.

After the heating region determining unit 25a acquires the predetermined region information from the storage unit 27, the predetermined region information is compared with the temperature information received from the temperature detecting unit 19a in step S20. By this comparison, the heating region determination unit 25a can determine whether or not the regions of the heating coils 7A to 7C are present within the visual field of the temperature detection unit 19 a.

In step S21, when the temperature information received from the temperature detector 19a matches the predetermined area information shown in fig. 12, for example, that is, when the comparison between the predetermined area information and the temperature information is successful, in step S22, the notification unit 4 notifies that the comparison is successful. In step S23, the control unit 25 registers the completion of the initial setting of the cooking state recognizing unit 19 in the storage unit 27. After the registration of the initial setting is completed, the process may be ended, or the process may be directly performed in the processing step L in the cooking mode using the temperature information.

With reference to fig. 13 to 22, a case will be described where the temperature information received from the temperature detection unit 19a in step S21 does not match the predetermined area information. Fig. 13 is an explanatory diagram showing an example of a thermal image detected by the temperature detection unit when the detection direction of the temperature detection unit 19a is deviated, and fig. 14 is an explanatory diagram showing an example of guidance for correcting the deviation of the cooking state recognition unit 19.

Fig. 13 shows a thermal image 33 in a case where the detection direction of the temperature detection unit 19a is deviated forward. When the temperature information does not match the predetermined region information, the heating region determination unit 25a detects the direction and amount of deviation from each region defined by the predetermined region information to each high-temperature region in the thermal image. For example, in fig. 13, the high-temperature region 33c in which 4 × 4 pixels are detected is shifted forward by 9 pixels from the predetermined region E in fig. 12 by image processing such as template matching.

Based on the detected direction and amount of deviation, the guidance information output unit 25b outputs guidance information for guiding the user to the direction in which the deviation is to be eliminated to the notification unit 4. For example, when the cooking state recognition unit 19 is shifted forward as shown in fig. 13, a backward arrow is displayed on the display unit 11, and the backward arrow guides the cooking state recognition unit to face backward.

Fig. 15 shows a thermal image 35 in the case where the detection direction of the temperature detection unit 19a is deviated to the right. The heating region determination unit 25a detects a 5 × 5 pixel region G in the predetermined region information as a 5 × 3 pixel high-temperature region 35b in fig. 15 by image processing such as template matching, and detects a right-side missing of the region G. Based on the detection result, the guidance information output unit 25b displays a leftward arrow on the display unit 11, for example, as shown in fig. 16, and guides the cooking state recognition unit 19 to the left.

Fig. 17 shows a thermal image 37 in the case where the temperature detection unit 19a is rotationally displaced. For example, the heating region determination unit 25a detects that the high temperature regions 37a, 37b, and 37c in the thermal image 37 of fig. 17 are positioned in the clockwise rotation of the regions E to G of the predetermined region information by image processing such as template matching. Based on the detection result, the guidance information output unit 25b displays a counterclockwise arrow that guides the cooking state recognition unit 19 to rotate counterclockwise on the display unit 11, for example, as shown in fig. 18.

Fig. 19 shows a thermal image 39 in the case where the temperature detector 19a is distant from the top plate 5. That is, the height position (hereinafter referred to as the installation height) at which the temperature detection unit 19a is installed is high. The high-temperature region 39a in the thermal image 39 of fig. 19 is a region in which the regions F, G of the predetermined region information are merged. The image in such a state is stored in the storage unit 27, and the heating region determination unit 25a detects that the image is in a distant state by image processing such as template matching. Based on the detection result, the guidance information output unit 25b displays 2 images with arrows facing each other as shown in fig. 20, for example, and guides the cooking state recognition unit 19 so as to approach the top plate 5.

Fig. 21 is a thermal image 41 showing a case where the temperature detection unit 19a is close to the top plate 5. That is, the installation height of the temperature detector 19a is low. The high-temperature regions 41a to 41c in the thermal image 41 in fig. 21 have a larger number of pixels than the corresponding predetermined region information regions E to G. Accordingly, the heating region determining unit 25a detects that the temperature detecting unit 19a is in a close state by image processing such as template matching. Further, based on the detection result, the guidance information output unit 25b displays an image in which 2 arrows are directed in opposite directions as shown in fig. 22, for example, and guides the cooking state recognition unit 19 so as to be away from the top plate 5.

Next, a flow of detecting a positional deviation of the cooking state recognition unit 19 during cooking in the cooking mode using the temperature information will be described with reference to fig. 23. During cooking, it is periodically determined whether or not the detection direction of the temperature detector 19a is not deviated. Therefore, in step S24, the control unit 25 determines whether or not a predetermined time has elapsed. If the predetermined time has not elapsed as in no at step S24, the determination at step S24 is performed again after the predetermined time has elapsed.

When the predetermined time has elapsed as in yes at step S24, at step S25, controller 25 requests temperature detector 19a to acquire temperature information, and acquires the temperature information from temperature detector 19 a. Next, in step S26, the heating region determining unit 25a performs comparison between the predetermined region information and the temperature information.

Here, temperature information obtained by the temperature detector 19a in cooking will be described with reference to fig. 24 to 31. Fig. 24 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. Fig. 25 is an explanatory diagram showing an example of the thermal image 45 detected by the temperature detection unit 19a with respect to the top panel 5 of fig. 24.

In fig. 24, containers 43A to 43C are placed on heating coils 7A to 7C, respectively. For example, the temperature of the top plate 5 is 30 ℃, the temperature of the object to be heated in each of the containers 43A to 43C is 50 ℃, and the side walls of the containers 43A to 43C are 40 ℃.

Since the side walls of the containers 43A to 43C are in contact with the outside air, the temperature is lower than the temperature of the object to be heated in the containers 43A to 43C. Fig. 25 shows a thermal image 45 obtained by the temperature detector 19a with respect to the top 5 in such a state.

In the thermal image 45, heat of 50 ℃ is detected in the central region of each of the high temperature regions 45a to 45c, and the temperature of the peripheral region is detected to be lower than that of the central region.

In cooking, when only 1 container is placed on the heating coil, the heating coil on which no container is placed may be heated or may not be heated. In the step of detecting the positional deviation of the cooking state recognition unit 19, when heating the heating coil on which the container is not placed, it is possible to confirm not only whether the heating coil in use is properly in the visual field range but also whether the heating coil not in use is properly in the visual field range. Further, it is possible to easily confirm whether or not the container is properly viewed only for the container being heated without heating the heating coil on which the container is not mounted.

Fig. 26 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. In fig. 26, the heating zones 29A and 29B of the top plate 5 on the heating coils 7A and 7B are not loaded with the container, and the heating coils 7A and 7B are heated so that the temperatures rise to 40 ℃ and 45 ℃, respectively. Further, a container 43C is placed on the top plate 5 above the heating coil 7C. For example, the temperature of the object to be heated in the container 43C is 50 ℃, and the temperature of the side wall of the container 43C is 40 ℃. Fig. 27 shows a thermal image 47 obtained by the temperature detector 19a with respect to the top 5 in such a state.

In the thermal image 47 shown in fig. 27, since 3 high-temperature regions 47a to 47c as temperature information are detected, the cooking state recognition unit 19 can perform detailed position adjustment by comparing the temperature information with predetermined region information.

Fig. 28 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. In fig. 28, the heating zones 29A and 29C of the top plate 5 on the heating coils 7A and 7C are not loaded with the container, and the heating coils 7A and 7C are not heated, and the respective temperatures are 30 ℃. Further, a container 43B is placed on the top plate 5 above the heating coil 7B. For example, the temperature of the object to be heated in the container 43B is 50 ℃, and the temperature of the side wall of the container 43B is 40 ℃. Fig. 29 shows a thermal image 49 obtained by the temperature detector 19a with respect to the top 5 in such a state.

In the thermal image 49 shown in fig. 29, since the high-temperature region 49B corresponding to the container 43B on the heating coil 7B is detected, the high-temperature region 49B shown in the temperature information can be compared with the corresponding predetermined region information, and the cooking state recognition unit 19 can easily check the position. Since the region for confirming whether or not the region is included in the field of view of the temperature detector 19a is limited to the heating coil currently in use, the confirmation can be performed easily and quickly.

Fig. 30 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. In fig. 30, heating areas 29A and 29B of the top plate 5 on the heating coils 7A and 7B are not loaded with a container, and the heating coils 7A and 7B are not heated, and the respective temperatures are 30 ℃. Further, a container 43C is placed on the top plate 5 above the heating coil 7C. A container 43D is placed on a region where the heating coil is not disposed below the top plate 5. The container 43D is assumed to be a container that has moved during heating.

The temperature of the object to be heated in the container 43C is, for example, 50 ℃, and the temperature of the side wall of the container 43C is 40 ℃. The temperature of the object to be heated in the container 43D was 40 ℃, and the temperature of the side wall of the container 43D was 30 ℃. Fig. 31 shows a thermal image 51 obtained by the temperature detector 19a with respect to the top 5 in such a state.

In the thermal image 51 shown in fig. 31, since the high-temperature region 51C corresponding to the container 43C on the heating coil 7C is detected, the high-temperature region 51C as the temperature information can be checked against the corresponding predetermined region information, thereby allowing the cooking state recognition unit 19 to easily confirm the position. Since the region for confirming whether or not the region is included in the field of view of the temperature detector 19a is limited to the heating coil currently in use, the confirmation can be performed easily and quickly. Further, the container 43D moved from the heating coil in the middle can be tracked by referring to the time-series thermal image information, and it is possible to prevent the container 43D from outputting the matching result erroneously.

If the matching is successful in step S27, the guidance information output unit 25b notifies the notification unit 4 of guidance for successful matching in step S28. Then, step S24 is performed again. In step S27, if the matching is not successful, the guidance information output unit 25b notifies the notification unit 4 of guidance of the matching failure in step S29. Then, the process returns to step S24, and the process is repeated again.

As described above, the heating cooking system 100 according to embodiment 1 includes: a top plate 5 on which a container Cr containing an object to be heated Tc to be cooked is placed; heating coils 7A to 7C (an example of a heat generating portion of the present disclosure) provided below the top plate 5; a temperature detection unit 19a that detects a temperature distribution on the top plate 5 from above; a heating area determination unit 25a that determines whether or not the heating coils 7A to 7C are present within the field of view of the temperature detection unit 19a, based on the temperature distribution on the top plate 5; and a notification unit 4 that notifies the determination result of the heating region determination unit 25 a. Therefore, the user can understand whether or not the heating coils 7A to 7C are properly present in the visual field of the temperature detector 19a, and can properly measure the temperature of the object being heated during cooking. Further, even if the container Cr containing the object to be heated Tc is not placed on the top plate 5, the cooking state identifier 19 can be adjusted in position.

In the present embodiment, predetermined region information that defines in advance the regions in which the heating coils 7A to 7C are arranged within the visual field of the temperature detector 19a is input to the heating region determination unit 25 a. The predetermined area information is, for example, the reference thermal image 19aa shown in fig. 6 or the image information shown in fig. 10 and 11. The heating region determination unit 25a compares position information indicating the positions of the heating coils 7A to 7C included in the temperature distribution on the top plate 5 with predetermined region information. Thus, the heating region determination unit 25a can determine whether or not the heating coils 7A to 7B are included in more appropriate regions in the visual field range.

In the present embodiment, the heat generating portions are heating coils 7A to 7C that heat the container Cr from below. Thus, the heat generating portion may not be provided only for adjusting the visual field range of the temperature detecting portion 19 a.

In the present embodiment, the control unit 25 sets an adjustment mode different from the normal cooking mode when the power is turned on for the first time. Then, in the adjustment mode, the temperature detection unit 19a detects the heated region of the top plate 5. The heating region determination unit 25a determines whether or not the heating coils 7A to 7C are present within the field of view by determining whether or not there is a heated region within the field of view. Thus, the heating cooking system can prompt the user to adjust the visual field range of the temperature detection unit 19a when the power is turned on for the first time. In the present embodiment, the adjustment mode is manually set by the user, but may be automatically set when the power is turned on.

In the present embodiment, the cooking device may further include an operation input unit that receives a setting of an adjustment mode of the temperature detection unit 19a different from a normal cooking mode. In the present embodiment, the operation input unit is a setting key 13 a. The operation input unit is not limited to the setting key 13a, and may be at least one of the operation input units 9A to 9C, or the display unit 11, for example. When the setting key 13a accepts the setting of the adjustment mode, the temperature detector 19a detects the heated area on the top panel 5. The heating region determination unit 25a determines whether or not the heating coils 7A to 7C are present within the field of view by determining whether or not there is a heated region within the field of view. Thus, the heating cooking system can prompt the user to adjust the visual field range of the temperature detection unit 19a when the power is turned on for the first time.

In the present embodiment, the control unit 25 generates guidance information for guiding the detection direction of the temperature detection unit 19a based on the determination result of whether or not the heating coils 7A to 7C are present within the visual field of the temperature detection unit 19a, and outputs the guidance information to the notification unit 4. This enables the heating cooking system to prompt the user to appropriately adjust the visual field range of the temperature detector 19 a.

In the present embodiment, the notification unit 4 outputs a visual display using at least one of a character and an image. Thus, the notification unit 4 can output guidance information and the like by visual display.

In the present embodiment, the notification unit 4 notifies the guidance information by voice. Alternatively, the notification unit 4 may notify the guidance information using at least one of light and vibration instead of or in addition to the sound.

In the present embodiment, the temperature detection unit 19a has an imaging surface with 64 or more pixels arranged in a plane. This enables the temperature detector 19a to detect the temperature distribution with higher accuracy.

In the present embodiment, the distance from the temperature detector 19a to the top plate 5 is 600mm to 2000 mm. Thus, the temperature detection unit 19a can detect the temperature distribution by using a general-purpose temperature sensor, a thermal image camera, or the like.

In the present embodiment, the temperature detection unit 19a is at least one of an infrared sensor and a thermal image camera. This allows the temperature detector 19a to easily detect the temperature distribution.

In addition, in the present embodiment, a method of notifying an installation state of the temperature detection unit 19a used in the heating cooker 1 is disclosed, in which the heating cooker 1 includes: a top plate 5 on which a container Cr for accommodating a cooking object Tc is placed; and heating coils 7A to 7C provided below the top plate 5. The method includes a detection step of detecting the temperature distribution on the top plate 5 from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit 19 a. The method further includes a notification step of notifying a determination result. The temperature detector 19a can detect not only a local heat generation region but also a local cooling region. This enables the heating cooking system to prompt the user to adjust the field of view of the temperature detector 19a, i.e., the installation state.

In the present embodiment, the method of adjusting the installation state of the temperature detection unit 19a used in the heating cooker 1 is a method in which the heating cooker 1 includes: a top plate 5 on which a container Cr for accommodating a cooking object Tc is placed; and heating coils 7A to 7C provided below the top plate 5. The method includes a detection step of detecting the temperature distribution on the top plate 5 from above. The method includes a determination step of determining whether or not at least one of a local heat generation region and a local cooling region is present within a visual field range of the temperature detection unit 19 a. The method includes a guidance information output step of outputting guidance information for guiding the change of the installation state of the temperature detection unit 19a based on the determination result. Thus, the heating cooking system can more specifically prompt the user to adjust the field of view of the temperature detection unit 19a, that is, the installation state.

In the present embodiment, the storage unit 27, the heating area determination unit 25a, and the guide information output unit 25b are disposed in the main body 3, respectively, but at least one of the storage unit 27, the heating area determination unit 25a, and the guide information output unit 25b may be disposed in the cooking state recognition unit 19. The heating area determination unit 25a and the guidance information output unit 25b may be configured by hardware such as a device or a circuit, or may be configured by software. At least one of the heating region determining unit 25a and the guide information outputting unit 25b may be shared with the coil control unit 10.

In the present embodiment, the notification unit 4 is disposed in the main body 3, but the notification unit 4 may be disposed in the cooking state recognition unit 19. Alternatively, the notification unit 4 may be disposed on both the main body 3 and the cooking state recognition unit 19.

(embodiment mode 2)

Next, a heating cooking system 61 according to embodiment 2 will be described with reference to fig. 32. Fig. 32 is a block diagram showing a control system of a heating cooking system 61 according to embodiment 2. The heating cooking system 100 according to embodiment 1 transmits and receives temperature information to and from the main body 3 and the cooking state recognition unit 19 via the communication units 21 and 23. The determination as to whether or not the subject is within the visual field is performed by the control unit 25 of the main body 3. In contrast, in the heating cooking system 61 of embodiment 2, the main body 63 and the cooking state recognition unit 65 are not connected. The heating cooking system 61 of embodiment 2 is similar to the heating cooking system 100 of embodiment 1 except for the following matters.

The cooking state recognition unit 65 according to embodiment 2 includes an operation input unit 67, a control unit 69, a storage unit 71, and a notification unit 73. The operation input unit 67 is constituted by, for example, a button or a touch key. The control unit 69 includes a heating area determination unit 69a and a guide information output unit 69 b. The notification unit 73 includes a display unit 73a and a sound output unit 73 b. The display section 73a is, for example, a liquid crystal panel. The sound output unit 73b is, for example, a speaker.

The control unit 69 is a processing device such as a CPU or a microprocessor, for example, and is configured to implement various functions by executing programs stored in the storage unit 71 such as a ROM, a RAM, a hard disk, and an SSD. The control unit 69 has the same function as the control unit 25.

Next, a method of adjusting so that the regions of the heating coils 7A to 7C are included in the visual field of the temperature detection unit 19a in embodiment 2 will be described with reference to fig. 33 to 34. Fig. 33 is a flowchart showing the processing procedure of the cooking state recognition unit 65. Fig. 34 is a flowchart showing the processing procedure of the control unit 69 of the cooking state recognition unit 65.

After the cooking state recognition unit 65 is powered on, the control unit 69 of the cooking state recognition unit 65 determines whether or not the initial setting is completed in step S41. When the initial setting is completed, the initial setting is registered in the storage unit 71. Therefore, the control section 69 determines whether the initial setting has been registered or not.

If the initial setting is completed as in yes at step S41, the process proceeds to processing step N, which is a cooking mode using temperature information. If the initial setting is not completed as in no at step S41, the guidance information output unit 69b of the control unit 69 outputs guidance indicating that the initial setting is not completed to the notification unit 73 at step S42. The guidance is output by voice from the voice output unit 73b of the notification unit 73, or by characters or symbols from the display unit 73a of the notification unit 73.

In step S43, the heating area determination unit 69a of the control unit 69 acquires the predetermined area information stored in the storage unit 71. The storage unit 71 stores predetermined area information corresponding to the type of the main body 63 of the heating cooking system 61. The user can select predetermined region information corresponding to the layout of the heating coils 7A to 7C of the main body 63 by, for example, inputting the model number of the main body 63 from the operation input unit 67 of the cooking state recognition unit 65.

In step S44, the temperature detector 19a acquires temperature information on the top plate 5 of the main body 63. In step S45, the heating region determination unit 69a compares the predetermined region information with the temperature information, as in embodiment 1. When the comparison between the predetermined area information and the temperature information is successful in step S46, the notification unit 73 notifies that the comparison is successful in step S47. In step S48, the control unit 69 registers the completion of the initial setting of the cooking state recognition unit 65 in the storage unit 71. After the initial setting is registered, the process may be terminated, or the process may be directly performed in the process step N in the cooking mode using the temperature information.

In step S46, when the temperature information received from the temperature detection unit 19a does not match the predetermined area information, that is, when the matching fails, the notification unit 73 notifies that the matching failed. Then, the processing is executed from step S44.

Next, a flow of the positional deviation detection of the cooking state recognition unit 19 in the cooking mode using the temperature information will be described with reference to fig. 34. During cooking, the control unit 69 periodically determines whether or not the detection direction of the temperature detection unit 19a is not deviated. Therefore, in step S50, the control unit 69 determines whether or not a predetermined time has elapsed. If the predetermined time has not elapsed as in no at step S50, the determination at step S50 is performed again after the predetermined time has elapsed.

When the predetermined time has elapsed as in yes at step S50, at step S51, the controller 69 requests the temperature detector 19a to acquire temperature information, and acquires temperature information on the top plate 5 from the temperature detector 19 a. Next, in step S52, the heating region determining unit 69a performs comparison between the predetermined region information and the temperature information.

If the matching is successful in step S53, the guidance information output unit 69b notifies the notification unit 73 of the guidance of the successful matching in step S54. Then, step S50 is performed again. If the matching is not successful in step S53, the guidance information output unit 69b outputs guidance indicating that the matching has failed to the notification unit 73 in step S55. Then, the process returns to step S50, and the process is repeated again.

In the heating cooking system 61 according to embodiment 2, even if the main body 63 and the cooking state recognition unit 65 are not connected, it is possible to notify the user whether or not they are included in the visual field by the cooking state recognition unit 65 alone. Thus, even in the conventional heating cooker, the cooking state recognition unit can be installed in a later mounting manner.

In embodiment 2, the main body 63 may have the notification portion 4 and the control portion 64. The notification unit 4 may include the audio output unit 15 and the display unit 11 as in embodiment 1. The control unit 64 may also have a guidance information output unit 64 a. The control unit 64 is a processing device such as a microprocessor, and executes programs stored in the storage unit 27 such as ROM, RAM, hard disk, SSD, and the like to realize various functions.

The main body 63 may have a temperature detection unit for detecting the temperature of the heating coils 7A to 7C. The temperature detection unit of the main body 63 may be disposed independently of the temperature detection unit 19a of the cooking state recognition unit 65. For example, the control unit 64 may input at least one of the temperature and the output of the heating coils 7A to 7C, and output guidance information through the guidance information output unit 64 a.

The guidance information is, for example, detected temperature or output, information urging the user to perform the next operation, information indicating an abnormality in temperature or output, or the like. The guidance information output from the guidance information output unit 64a may be output on the display unit 11 by characters, symbols, or the like. Alternatively, the guidance information output from the guidance information output unit 64a may be output by the audio output unit 15 by audio.

(embodiment mode 3)

Next, a heating cooking system according to embodiment 3 will be described with reference to fig. 35 and 36. The heating cooking system 100 according to embodiment 1 transmits and receives temperature information to and from the main body 3 and the cooking state recognition unit 19 via the communication units 21 and 23. In contrast, in the heating cooking system 81 according to embodiment 3, since the cooking state recognition unit 83 and the mobile terminal 93 are connected via the communication units 91 and 95, the positional deviation of the cooking state recognition unit 83 can be confirmed by the notification unit 99 of the mobile terminal 93. That is, the heating cooking system 81 of the present embodiment includes a heating cooker, a cooking state recognition unit 83, and a portable terminal 93. The heating cooking system 81 of embodiment 3 is the same as the heating cooking systems 100 and 61 of embodiments 1 and 2 except for the following matters.

Cooking state recognition unit 83 according to embodiment 3 includes temperature detection unit 19a, control unit 85, storage unit 87, notification unit 89, and communication unit 91. The control unit 85 includes a heating area determination unit 85a and a guide information output unit 85 b. The notification unit 89 includes a display unit 89a and a sound output unit 89 b. The display portion 89a is, for example, a liquid crystal panel. The sound output unit 89b is, for example, a speaker.

The control unit 85 is a processing device such as a CPU or a microprocessor, for example, and is configured to implement various functions by executing programs stored in the storage unit 87 such as a ROM, a RAM, a hard disk, and an SSD. The control unit 85 has the same function as the control unit 25 of embodiment 1.

The portable terminal 93 is, for example, a smartphone or a tablet terminal. The portable terminal 93 includes a communication unit 95, a control unit 97, a notification unit 99, and a storage unit 101. The control unit 97 includes a heating area determination unit 97a and a guidance information output unit 97 b. The notification unit 99 includes a display unit 99a and a sound output unit 99 b. The display portion 99a is, for example, a liquid crystal panel. The sound output unit 99b is, for example, a speaker.

The control unit 97 is a processing device such as a CPU or a microprocessor, for example, and is configured to implement various functions by executing application programs stored in the storage unit 101 such as a ROM, a RAM, a hard disk, and an SSD. The control unit 97 has the same function as the control unit 25.

Next, a method of adjusting so that the regions of the heating coils 7A to 7C are included in the visual field of the temperature detection unit 19a in embodiment 3 will be described with reference to fig. 37 to 42. Fig. 37 is a flowchart showing the processing procedure of the cooking state recognition unit 83.

After the cooking state recognition unit 83 is powered on, the control unit 85 of the cooking state recognition unit 83 determines whether or not the initial setting is completed in step S61. When the initial setting is completed, the initial setting is registered in the storage unit 87. Therefore, the control section 85 determines whether the initial setting has been registered or not.

If the initial setting is completed as in yes at step S61, the process proceeds to processing step P, which is a cooking mode using temperature information. If the initial setting is not completed as in no at step S61, the guidance information output unit 85b of the control unit 85 outputs guidance that the initial setting is not completed to the notification unit 89 at step S62. The guidance is outputted by voice from the voice output section 89b of the notification section 89, or by characters or symbols from the display section 89a of the notification section 89. Then, the process proceeds to a processing step R of correcting the positional deviation of the cooking state recognition unit 83 using the portable terminal 93.

As shown in fig. 38, in step S63, the control unit 85 of the cooking state recognition unit 83 performs a connection process with the control unit 97 of the portable terminal 93 via the communication units 91 and 95. If the connection fails as in no at step S64, the notification unit 89 notifies the communication connection failure as in step S65, and the process returns to step S63 again to perform the connection process between the cooking state recognition unit 83 and the mobile terminal 93. If the connection is successful as "yes" in step S64, the notification unit 89 notifies that the communication connection is successful as in step S66, and the process proceeds to the next processing step R.

When the cooking state recognition unit 83 and the portable terminal 93 are successfully connected, the temperature detection unit 19a of the cooking state recognition unit 83 acquires the thermal image as temperature information of the top plate 5 in step S67. The acquired temperature information is transmitted to the mobile terminal 93 via the communication units 91 and 95. In the mobile terminal 93, the temperature information transmitted is compared with the predetermined area information by the heating area determination unit 97 a. The comparison result is transmitted from the mobile terminal 93 to the cooking state recognition unit 83. In step S69, the control unit 85 of the cooking state recognition unit 83 determines whether or not the matching is successfully notified from the portable terminal 93.

If the collation success is not notified from the mobile terminal 93 as in no at step S69, the notification unit 89 notifies the failure of the collation at step S70. Then, the processing is performed again from step S67. If the notification of the matching success from the mobile terminal 93 is present as in yes at step S69, the notification unit 89 notifies the matching success at step S71. Then, the process advances to step S.

As shown in fig. 39, in the processing step M, when the heating area determination unit 97a determines in step S71 that the matching is successful, the cooking state recognition unit 83 receives the predetermined area information in step S72 because the predetermined area information is transmitted from the mobile terminal 93.

In step S73, the received predetermined area information is stored in the storage unit 87. In step S74, the control unit 85 registers the completion of the initial setting of the cooking state recognition unit 83 in the storage unit 87. After the registration of the initial setting is completed, the process may be ended, or the process may directly proceed to process step P in the cooking mode using the temperature information.

In steps S62, S65, S66, S70, and S71 in fig. 37 and 38, the guidance information output unit 97b of the mobile terminal 93 may output guidance information, and various kinds of guidance may be notified from the notification unit 99 based on the output guidance information. Alternatively, various guidance may be notified from both the notification unit 89 of the cooking state recognition unit 83 and the notification unit 99 of the portable terminal 93.

Next, a flow of detecting a positional deviation of the cooking state recognition unit 83 in the cooking mode using the temperature information will be described with reference to fig. 40. During cooking, the control unit 85 periodically determines whether or not the detection direction of the temperature detection unit 19a is not deviated. Therefore, in step S75, the control unit 85 determines that a predetermined time as a determination cycle has elapsed. If the predetermined time has not elapsed as in no at step S75, the determination at step S75 is performed again after the predetermined time has elapsed.

When the predetermined time has elapsed as in yes at step S75, at step S76, controller 85 requests temperature detector 19a to acquire temperature information, and acquires the temperature information from temperature detector 19 a. Next, in step S77, the heating region determining unit 85a performs comparison between the predetermined region information and the temperature information.

When the matching by the heating region determining unit 85a is successful in step S78, the guidance information output unit 85b reports guidance of successful matching to the notification unit 89 in step S79. Then, step S75 is performed again. If the matching by the heating region determining unit 85a has not succeeded in step S78, the guidance information output unit 85b outputs guidance of the failed matching to the notification unit 89 in step S80. Then, since the cooking state recognition unit 83 is out of position, the processing step R is performed using the portable terminal 93.

By performing the processing step R from step S63 to step S71, the positional deviation of the cooking state recognizer 83 is corrected again using the portable terminal 93. After the correction is completed and the matching success is reported in step S71, the process returns to step P instead of step M, and the direction of the cooking state recognizer 83 is periodically determined.

Next, the processing procedure of the mobile terminal 93 will be described with reference to fig. 41 and 42. In step S91, the user starts an application program for cooking state detection stored in the storage unit 101 of the portable terminal 93. In step S92, the control unit 97 of the portable terminal 93 performs a connection process with the cooking state recognition unit 83. If the connection is not successful as in no at step S93, the notification unit 99 provides guidance of the connection failure, and the user confirms whether or not the cooking state recognition unit 83 is powered on. If the connection fails, the connection process with the cooking state recognition unit 83 in step S92 is performed. If the connection between the portable terminal 93 and the cooking state recognition unit 83 is successful as in yes at step S93, the process proceeds to step T.

Next, fig. 42 is referred to. When the connection between the portable terminal 93 and the cooking state identification unit 83 is successful, the cooking state identification unit 83 transmits the temperature information to the portable terminal 93, and therefore, in step S94, the control unit 97 of the portable terminal 93 determines whether or not the reception of the temperature information is completed. If the reception of the temperature information is not completed as in no at step S94, the determination at step S94 is performed again after waiting for a predetermined time. When the reception of the temperature information is completed as in yes at step S94, the heating region determining unit 97a acquires the predetermined region information stored in the storage unit 101 at step S95.

The predetermined area information stored in the storage unit 101 is acquired from the internet 107 in advance. The control unit 97 accesses the internet 107, downloads predetermined region information corresponding to the heating coil layout of the heating cooker from the server, and stores the information in the storage unit 101.

In step S96, the heating region determining unit 97a compares the acquired predetermined region information with the received temperature information. At this time, in step S97, the heating region determination unit 97a generates a comparison image of the predetermined region information and the temperature information. In step S98, the heating region determination unit 97a determines whether or not the matching is successful based on the matching image.

If the matching fails as in no at step S98, the guide information output unit 97b displays the guide image 111 on the display unit 99a as shown in fig. 43, for example, and the guide image 111 guides the correction of the positional deviation between the matching image 109 and the cooking state recognition unit 83. Further, the audio output unit 99b may output audio guidance. The user corrects the positional deviation of the cooking state recognition unit 83 in accordance with the guidance. After a predetermined time has elapsed or in response to an input instruction from the user to the portable terminal 93, the temperature detection unit 19a of the cooking state recognition unit 83 acquires temperature information on the top plate 5. Then, the process returns to step S94, and the determination of step S94 is performed again.

If the matching is successful in step S98, the controller 97 of the mobile terminal 93 notifies the cooking state identifier 83 of the successful matching in step S99. In step S100, when there is a request for the predetermined area information from the cooking state recognition unit 83, the predetermined area information is transmitted from the storage unit 101 to the storage unit 87 of the cooking state recognition unit 83. If there is no request for the predetermined area information from the cooking state recognition unit 83 in step S100, or if the predetermined area information is transmitted in step S101, the cooking state recognition unit 83 performs initial setting registration. During this period, the process is terminated after a predetermined time elapses after waiting for the elapse of the predetermined time in step S102.

In the heating cooking system according to embodiment 3, since the portable terminal is connected to the cooking state recognition unit 83, the arrangement direction of the cooking state recognition unit 83 can be confirmed by hand. In addition, when the portable terminal is connected to the server, predetermined information on the layout of the heating coils of the top plate 5 can be acquired, and thus the portable terminal can be applied to various heating cookers.

That is, in the present embodiment, the cooking state recognition unit 19 includes the communication unit 91 capable of transmitting information to the mobile terminal 93 by wireless communication. The communication unit 91 is configured to transmit information of the temperature distribution on the top panel 5 detected by the temperature detection unit 19a to the mobile terminal 93. Thus, the portable terminal 93 determines whether or not at least one of the local heat generation region and the local cooling region exists within the visual field of the temperature detection unit 19 a. Further, the mobile terminal 93 can output guidance information for guiding the change of the installation state of the temperature detector 19 a.

In the present embodiment, the predetermined area information can be obtained from a server via a communication network. This makes it possible to obtain predetermined area information corresponding to various cooking devices.

(embodiment mode 4)

Next, a heating cooking system according to embodiment 4 will be described with reference to fig. 44 to 47. In the heating cooking system 100 according to embodiment 1, the cooking state recognition unit 19 is attached to the range hood 17. In contrast, in the heating cooking system 122 according to embodiment 4, the cooking state recognition unit 19 is attached to the wall 121 located behind the cooking state recognition unit 19. The heating cooking system 122 of embodiment 4 is the same as the heating cooking system of embodiment 1 except for the following matters.

Refer to fig. 44 and 45. Fig. 44 is a side view of the heating cooking system 122 in a case where the temperature detector 19 is mounted on the wall 121. Fig. 45 is an explanatory diagram showing an example of the thermal image 123 detected by the temperature detection unit 19.

As shown in fig. 44, when cooking state identifier 19 is attached to wall 121 and the attachment position is not sufficiently far from top plate 5, temperature detector 19a may detect the temperature of the side wall of container Cr and not the temperature of the object to be heated inside container Cr. Fig. 44 shows a state where the temperature of the side wall of the container Cr in contact with the heated object Tc is 50 ℃ and the temperature of the side wall of the container Cr not in contact with the heated object Tc is 40 ℃.

In the state shown in fig. 44, when the temperature of the container Cr is detected from the lateral direction, the thermal image 123 is obtained. In such a state, the heating area determination unit 25a detects that the height is low by template matching or the like with a thermal image obtained at a low position in advance stored in the storage unit 27, and the guidance information output unit 25b guides the cooking state recognition unit 19 to be attached to a higher position.

In addition, as shown in fig. 46, when the cooking state identifier 19 is disposed at an appropriate height on the wall 121, the temperature regions 125A to 125C of the object Tc to be heated inside the container Cr in the obtained thermal image 125 are rectangular or elliptical as shown in fig. 47. The storage unit 27 stores predetermined area information in a case where the cooking state recognition unit 19 is disposed at a plurality of height positions on the wall 121. Therefore, the heating area determining unit 25a can determine the installation height position of the cooking state recognizing unit 19 and whether or not the height position is appropriate by comparing the obtained thermal image with the predetermined area information. In addition, the heating region determination unit 25a may determine that the matching is successful when the predetermined region information E to F detected from the upper side does not completely match and the high-temperature regions are accommodated inside the predetermined region information E to F.

(embodiment 5)

Next, a heating cooking system according to embodiment 5 will be described with reference to fig. 48 to 50. The heating cooking system 100 according to embodiment 1 detects the position of the heating coils 7A to 7C or the container Cr heated directly above the heating coils 7A to 7C, thereby detecting the positional deviation of the cooking state recognition unit 19. In contrast, in the heating cooking system 126 of embodiment 5, as shown in fig. 48, the heating element 127 dedicated to detecting the positional deviation is disposed at the lower portion of the top plate 5. The heating cooking system 126 of embodiment 5 is the same as the heating cooking system 100 of embodiment 1 except for the following matters.

The heating element 127 is, for example, a small resistor, and generates heat by flowing a current. The current flowing to the heating element 127 is controlled by the coil control unit 10. Fig. 49 is an explanatory diagram illustrating an example of the temperature state of the top plate 5. As shown in fig. 49, the heating region 129 on the top plate 5 is heated by the heating element 127. The heating zone 129 is a zone having a temperature higher than the temperature of the surrounding top plate 5. For example, the temperature on the top plate 5 is 30 ℃ which is the same as the ambient temperature, and the heating zone 129 heated by the heating element 127 is 50 ℃.

The cooking state recognition unit 19 disposed in the ventilation fan 128 acquires a thermal image obtained by detecting the temperature distribution on the top plate 5. The heating area determination unit 25a determines whether or not the thermal image is the reference thermal image 131 in the case where the cooking state recognition unit 19 is appropriately arranged as shown in fig. 50. When the high-temperature region on the thermal image matches the predetermined region 131a, the cooking state recognition unit 19 is appropriately disposed. This also makes it possible to determine whether or not the cooking state recognition unit 19 is appropriately arranged.

In the present embodiment, the heating cooking system 126 includes a heating element 127 (an example of a heating element for detection of the present disclosure) different from the heating coils 7A to 7C. Thus, the visual field range of the temperature detection unit 19a can be determined by heating the minimum necessary region.

(embodiment mode 6)

Next, a heating cooking system 132 according to embodiment 6 will be described with reference to fig. 51. The cooking state recognition unit 19 according to embodiment 1 corrects the positional deviation by the user. In contrast, the cooking state recognition unit 134 according to embodiment 6 includes a drive unit 135 for correcting the positional deviation. The heating cooking system 132 according to embodiment 6 is similar to the heating cooking system 100 according to embodiment 1 except for the following matters. In fig. 51, the cooking state recognition unit 134 is provided on the wall 121, and the ventilation fan 133 is disposed below the cooking state recognition unit 134.

The cooking state recognition unit 134 includes a drive unit 135 for adjusting the detection direction of the temperature detection unit 19a, and a drive control unit 137 for controlling the drive direction and the drive amount of the drive unit 135. The drive control unit 137 calculates the drive direction and the drive amount of the drive unit 135 based on the comparison result of the heating region determination unit 25 a. That is, the drive control unit 137 calculates the direction and amount of deviation between the high-temperature region in the thermal image acquired by the temperature detection unit 19a and the region in the predetermined region information. The drive control unit 137 also performs drive control of the drive unit 135 based on the calculated drive direction and drive amount. The driving unit 135 includes, for example, a 2-axis servo motor that can rotate in the vertical direction and the horizontal direction.

This automatically corrects the misalignment of the cooking state recognition unit 134, thereby reducing the burden on the user in relation to the position adjustment.

As described above, the heating cooking system 132 of the present embodiment includes the driving unit 135 that adjusts the detection direction of the temperature detection unit 19a, and the drive control unit 137 that controls at least one of the driving direction and the driving amount of the driving unit 135. The drive control unit 137 calculates at least one of the driving direction and the driving amount of the driving unit 135 based on the determination result of the heating region determination unit 25a, and performs drive control of the driving unit 135. The drive control unit 137 may be integrated with another control unit (for example, the control unit 25).

(embodiment 7)

Next, a heating cooking system 140 according to embodiment 7 will be described with reference to fig. 52. The heating cooking system 140 according to embodiment 7 includes a temperature sensor 141 in the center of the top plate 5. The heating cooking system 140 according to embodiment 5 is similar to the heating cooking system 100 according to embodiment 1 except for the following matters.

The temperature sensor 141 detects the temperature of the top plate 5. The temperature sensor 141 is connected to the coil control unit 10. In the adjustment mode, when the temperature sensor 141 detects a predetermined temperature, the coil control unit 10 stops heating of the heating coils 7A to 7C. This can improve safety when the cooking state recognition unit 19 is adjusted in position in the empty state of the heating coils 7A to 7C.

Further, the temperature sensor 141 may be provided as an infrared sensor below at least one of the heating coils 7A to 7C together with a light emitting unit (not shown), so that the temperature sensor 141 can function as a container detection sensor. As disclosed in japanese patent application laid-open publication No. 2011-204362, the light emitted from the light emitting unit only passes through the top plate 5 when the container Cr is not placed on the top plate 5. However, when the container Cr is placed on the top plate 5, the light emitted from the light emitting unit is reflected by the container Cr and enters the temperature sensor 141. When the amount of light received by the temperature sensor 141 is equal to or greater than a certain amount of light received, the control unit 25 or the control unit 64 determines that the container Cr is placed on the top plate 5.

The controllers 25 and 64 notify the notification units 4 and 99 to place the container Cr in the heating region of the top plate 5 above the heating coils 7A to 7C. When the temperature sensor 141 detects that the container Cr is placed, the coil control unit 10 starts heating the heating coils 7A to 7C. Heating region determination units 25a and 85a may determine whether or not regions of heating coils 7A to 7C are present within the visual field of temperature detection unit 19a, based on container Cr and at least 1 temperature region of the cooking object in container Cr.

As the container detection sensor, as described in japanese patent laid-open No. 2012-14839, a weight sensor may be provided below the top plate 5 to detect whether or not the container Cr is placed. Further, as described in japanese patent application laid-open publication No. 2014-186813, it is also possible to detect whether or not the container Cr is placed by detecting the current or voltage flowing through the heating coils 7A to 7C.

As described above, in the heating cooking system 152 of the present embodiment, the heat generating portions are the heating coils 7A to 7C that heat the vessel Cr from below. The heating cooking system 152 may include a coil control unit 10 that controls the heating amount of the heating coils 7A to 7C, and a temperature sensor 141 (an example of a container detection sensor of the present disclosure) that detects the container Cr placed above the heating coils 7A to 7C. In this case, the temperature sensor 141 is used together with the light emitting unit.

The control unit 25 outputs guidance information for guiding the user to place the container Cr above the heating coils 7A to 7C to the notification unit 4. When the temperature sensor 141 detects the placement of the container Cr, the coil control unit 10 starts heating the heating coils 7A to 7C. The position information showing the positions of the heating coils 7A to 7C included in the temperature distribution corresponds to the temperature information of at least 1 of the container Cr and the cooking object Tc in the container Cr included in the temperature distribution. This can improve safety when the cooking state recognition unit 19 is adjusted in position in the empty state of the heating coils 7A to 7C.

The present disclosure is not limited to the above-described embodiments, and can be implemented as modifications as follows.

(1) In the above embodiment, the heating coils 7A to 7C are heated in the adjustment mode, but the present invention is not limited thereto. An object to be heated without using the heating cooker 1 may be placed on the region of the top plate 5 directly above the heating coils 7A to 7C. Further, an object having a temperature lower than the ambient temperature, for example, ice may be placed on the region of the top plate 5 directly above the heating coils 7A to 7C. That is, the heating zone determining unit 25a may determine whether or not a local cooling zone is present within the visual field range of the temperature detecting unit 19a, instead of determining whether or not a local heating zone is present within the visual field range of the temperature detecting unit 19 a. When it is determined that either one of the local heating region and the local cooling region is present, a temperature region different from the ambient temperature is detected on the thermal image of the temperature detection unit 19a, and therefore, the temperature can be checked against the predetermined region information.

Instead of the object or ice to be heated, a part of the human body, for example, a hand may be placed on the region of the top plate 5 directly above the heating coils 7A to 7C to detect it as a heat generating body. The temperature detector 19a can recognize, for example, a hand region at 35 ℃ and a top plate 5 region at an ambient temperature of, for example, 30 ℃. The heating region determination units 25a, 69a, 85a, and 97A determine whether or not there are regions of the heating coils 7A to 7C that match the predetermined region information within the visual field range of the temperature detection unit 19a, based on the temperature region of a part of the human body on the thermal image. When entering the adjustment mode, the notification unit 4 guides the user to place a part of the human body at a predetermined position.

That is, the control unit 25 of the heating cooking system may output guidance information for placing a part of the human body in a predetermined area to the notification unit 4. The heating area determination unit 25a may determine whether or not the heating areas of the heating coils 7A to 7C are present within the visual field of the temperature detection unit 19a based on temperature information of a part of the human body included in the temperature distribution detected by the temperature detection unit 19 a. This allows the installation state of the temperature detection unit 19a to be detected without heating the heating coils 7A to 7C.

(2) In the above embodiment, the 3 heating coils 7A to 7C are heated at the same time, but the present invention is not limited thereto. The cooking state recognition unit and the coil control unit 10 may cooperate to sequentially heat the heating coils 7A to 7C, and sequentially perform matching between the regions corresponding to the respective heating coils 7A to 7C and the predetermined region information. This reduces the high-temperature area on the top plate, thereby reducing the burden on the user.

(3) In the above embodiment, the predetermined area information is stored in the storage unit in advance, or the predetermined area information is downloaded via the internet 107, but the present invention is not limited thereto. The predetermined area information may be generated by drawing or arranging a predetermined area on the screen of the mobile terminal 93 by the user. For example, in the case of the mobile terminal 93 with a camera, the control unit 97 of the mobile terminal 93 may generate predetermined area information by designating the heating areas 29A to 29C on the image obtained by imaging the top panel 5 by the user.

(4) In the above embodiment, the positional deviation adjustment of the cooking state recognition unit 19 is performed using the heating coils 7A to 7C as the heating elements, but the present invention is not limited thereto. The exhaust port 16 may be used as a heat generating body. In this case, the predetermined region is a region where the exhaust port 16 is located within the visual field of the temperature detector 19 a.

That is, the heating and cooking system may include a grill cooking unit 14 provided below the top plate 5 and heating a cooking object, and an exhaust port 16 for exhausting air generated in the grill cooking unit 14. The heat generating portion may be the exhaust port 16. In this case, the heating zone determining unit 25a can determine whether or not the exhaust port 16 is present in the visual field of the temperature detecting unit 19a based on the temperature distribution on the top plate 5. This allows the installation state of the temperature detection unit 19a to be detected without heating the heating coils 7A to 7C.

(5) In the above embodiment, various guidance is output from the notification unit having the display unit and the sound output unit, but the present invention is not limited thereto. For example, the notification unit may be a vibrator that generates vibration or the light emitting units 6A to 6C. Various guides can be conveyed to the user by various vibrations or light patterns.

(6) In the above embodiment, the cooking state recognition unit 19 includes 1 temperature detection unit 19a, but is not limited thereto. For example, a plurality of temperature detection units 19a may be provided, and the top plate 5 may be divided to detect the temperature distribution. This enables temperature detection even with an infrared sensor having a small number of pixels.

In addition, by appropriately combining any of the various embodiments and modifications described above, the effects each has can be obtained.

The present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, but it is needless to say that various modifications and corrections can be made by those skilled in the art. Such variations and modifications are to be understood as being included in the appended claims, unless they depart from the scope of the disclosure as set forth in the following claims. Further, combinations of elements and changes in the order of the elements in the embodiments can be implemented without departing from the scope and spirit of the present disclosure.

Description of the reference symbols

1: a heating cooker; 3: a main body; 4: a notification unit; 5: a top plate; 6A, 6B, 6C: a light emitting section; 7A, 7B, 7C: a heating coil; 8A, 8B, 8C: marking; 9A, 9B, 9C: an operation input unit; 10: a coil control unit; 11: a display unit; 13: a setting unit; 13 a: a setting key; 13 b: a setting display unit; 14: a grill cooking section; 15: a sound output unit; 16: an exhaust port; 17: a range hood; 17 a: a cover portion; 19: a cooking state recognition unit; 19 a: a temperature detection unit; 19 aa: a reference thermal image; 19 ab: a thermal image; 19 b: an image area; 21: a communication unit; 23: a communication unit; 25: a control unit; 25 a: a heating region determination unit; 25 b: a guidance information output unit; 27: a storage unit; 29A, 29B, 29C: a heating zone; 31A, 31B, 31C: a heating zone; 33: a thermal image; 33 c: a high temperature region; 35: a thermal image; 35 b: a high temperature region; 37: a thermal image; 37a, 37b, 37 c: a high temperature region; 39: a thermal image; 39a, 39 c: a high temperature region; 41: a thermal image; 41a, 41b, 41 c: a high temperature region; 43A, 43B, 43C, 43D: a container; 45: a thermal image; 45a, 45b, 45 c: a high temperature region; 47: a thermal image; 47a, 47b, 47 c: a high temperature region; 49: a thermal image; 49 c: a high temperature region; 51: a thermal image; 51c, 51 d: a high temperature region; 61: a heating cooking system; 63: a main body; 64: a control unit; 64 a: a guidance information output unit; 65: a cooking state recognition unit; 67: an operation input unit; 69: a control unit; 69 a: a heating region determination unit; 69 b: a guidance information output unit; 71: a storage unit; 73: a notification unit; 73 a: a display unit; 73 b: a sound output unit; 81: a heating cooker; 83: a cooking state recognition unit; 85: a control unit; 85 a: a heating region determination unit; 85 b: a guidance information output unit; 87: a storage unit; 89: a notification unit; 89 a: a display unit; 89 b: a sound output unit; 91: a communication unit; 93: a portable terminal; 95: a communication unit; 97: a control unit; 97 a: a heating region determination unit; 97 b: a guidance information output unit; 99: a notification unit; 99 a: a display unit; 99 b: a sound output unit; 100: a heating cooking system; 101: a storage unit; 103: a router; 105: a local area network; 107: an internet; 109: comparing the images; 111: a guide image; 121: a wall; 122: a heating cooking system; 123. 125: a thermal image; 125A, 125B, 125C: a temperature region; 126: a heating cooking system; 127: a heating element; 128: a ventilator; 129: a heating zone; 131: a reference thermal image; 132: a heating cooking system; 133: a ventilator; 134: a cooking state recognition unit; 135: a drive section; 137: a drive control unit; 140: a heating cooking system; 141: a temperature sensor; cr: a container; tc: an object to be heated.

Claims (20)

1. A heat cooking system, the heat cooking system having:

a top plate on which a container for accommodating a cooking object is placed;

a heating portion provided below the top plate;

a temperature detection unit that detects a temperature distribution on the top plate from above;

a control unit having a heating area determination unit that determines whether or not the heating unit is present within a field of view of the temperature detection unit, based on the temperature distribution on the top plate; and

and a notification unit that notifies the determination result of the heating region determination unit.

2. The heat cooking system according to claim 1,

inputting predetermined region information, which defines in advance a region in which the heat generating portion is disposed within the visual field of the temperature detecting portion, to the heating region determining portion,

the heating region determination unit compares positional information indicating a position of the heating portion included in the temperature distribution on the top plate with the predetermined region information.

3. The heating cooking system according to claim 1 or 2,

the heat generating portion is a heating coil that heats the container from below.

4. The heat cooking system according to claim 2,

the heat generating portion is a heating coil that heats the container from below,

the heating cooking system has:

a coil control unit that controls a heating amount of the heating coil; and

a container detection sensor that detects the container placed above the heating coil,

the control unit outputs guidance information for guiding a user to place the container above the heating coil to the notification unit,

the coil control unit starts heating of the heating coil when the container detection sensor detects placement of the container,

the position information indicating the position of the heat generating portion included in the temperature distribution corresponds to temperature information of at least 1 of the container and the cooking object in the container included in the temperature distribution.

5. The heat cooking system according to any one of claims 1 to 4,

the control part sets an adjustment mode different from a normal cooking mode when the power is turned on for the first time,

in the case of the adjustment mode,

the temperature detection unit detects a heated region of the top plate,

the heating region determination unit determines whether the heating portion is present in the field of view based on whether the heated region is present in the field of view.

6. The heat cooking system according to any one of claims 1 to 4,

the heating cooking system includes an operation input unit that receives a setting of an adjustment mode of the temperature detection unit different from a normal cooking mode,

when the operation input unit accepts the setting of the adjustment mode,

the temperature detection unit detects a heated region on the top plate,

the heating region determination unit determines whether the heating portion is present in the field of view based on whether the heated region is present in the field of view.

7. The heat cooking system according to any one of claims 1, 2, 5 and 6, wherein,

the control unit outputs guidance information for placing a part of the human body in a predetermined area to the notification unit,

the heating area determination unit determines whether or not the heating unit is present within the visual field of the temperature detection unit, based on temperature information of the part of the human body included in the temperature distribution detected by the temperature detection unit.

8. The heating cooking system according to claim 1 or 2,

the heating cooking system has:

a grill cooking unit provided below the top plate and configured to heat a cooking object: and

an exhaust port for exhausting air generated in the grill cooking part,

the heat generating portion is the exhaust port.

9. The heating cooking system according to claim 1 or 2,

the heating cooking system has a heating coil that heats the container from below,

the heating portion is a detection heating element different from the heating coil.

10. The heat cooking system according to any one of claims 1 to 9,

the temperature detection part is arranged on the cooking state identification part,

the cooking state recognition unit has a communication unit capable of transmitting information to the portable terminal by wireless communication,

the communication unit is configured to transmit information of the temperature distribution on the top plate detected by the temperature detection unit to the portable terminal.

11. The heat cooking system according to any one of claims 1 to 10,

the heating cooking system has:

a drive unit that adjusts a detection direction of the temperature detection unit; and

a drive control unit that controls at least one of a drive direction and a drive amount of the drive unit,

the drive control unit calculates at least one of the drive direction and the drive amount of the drive unit based on the determination result of the heating region determination unit, and performs drive control of the drive unit.

12. The heat cooking system according to any one of claims 1 to 11,

the control unit generates guidance information for guiding a detection direction of the temperature detection unit based on the determination result of whether the heating unit is present in the visual field of the temperature detection unit, and outputs the guidance information to the notification unit.

13. The heat cooking system according to any one of claims 1 to 12,

the notification unit outputs a visual display using at least one of a character and an image.

14. The heat cooking system according to any one of claims 1 to 13,

the notification unit performs notification using at least one of sound, light, and vibration.

15. The heat cooking system according to claim 2,

the predetermined area information can be obtained from a server via a communication network.

16. The heat cooking system according to any one of claims 1 to 15,

the temperature detection unit has an imaging surface with 64 or more pixels arranged in a plane.

17. The heat cooking system according to any one of claims 1 to 16,

the distance from the temperature detection unit to the top plate is 600mm to 2000 mm.

18. The heat cooking system according to any one of claims 1 to 17,

the temperature detection unit is at least one of an infrared sensor and a thermal image camera.

19. A method for informing the installation state of a temperature detection part used in a heating cooker,

the heating cooker comprises:

a top plate on which a container for accommodating a cooking object is placed; and

a heating part disposed below the top plate,

in the method:

the temperature distribution on the top plate is detected from above,

determining whether at least one of a local heat generation region and a local cooling region is present in a visual field of the temperature detection unit,

the result of the determination is reported.

20. A method for adjusting the installation state of a temperature detection part used in a heating cooker,

the heating cooker comprises:

a top plate on which a container for accommodating a cooking object is placed; and

a heating part disposed below the top plate,

in the method:

the temperature distribution on the top plate is detected from above,

determining whether at least one of a local heat generation region and a local cooling region is present in a visual field of the temperature detection unit,

based on the result of the determination, guidance information for guiding a change in the installation state of the temperature detection unit is output.

Images