JP2017033951A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker which enables a user to visually recognize that the heating cooker is powered on, by successively emitting light-emitting elements of all fire power display means at predetermined time intervals when the heating cooker is powered on.SOLUTION: The heating cooker comprises a power switch, a top panel, fire power display means for displaying fire power of the heating means, temperature detection means, and control means for controlling the heating means and the fire power display means. After the heating cooker is powered on, the control means successively emits the light-emitting elements from a left end of the light-emitting elements of the fire power display means corresponding to the heating means that is disposed at a left side, to a right end of the light-emitting elements of the fire power display means corresponding to the heating means that is disposed at a right side, or from a right end of the light-emitting elements of the fire power display means corresponding to the heating means that is disposed at the right side to a left end of the light-emitting elements of the fire power display means corresponding to the heating means that is disposed at the left side, at predetermined time intervals. When heating is finished and a temperature of the top panel detected by the temperature detection means corresponding to the heating means is equal to or higher than a predetermined temperature T2, the fire power display means is lighted while changing gradations of light emission.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a cooking device provided with a thermal power display means.

  2. Description of the Related Art Conventionally, there has been known a heating cooker that includes a power switch and a heating power display unit corresponding to a heating unit, and the heating power display unit is turned on when the heating power of the heating unit is set (see, for example, Patent Document 1).

Japanese Patent Laying-Open No. 2003-142245 (page 3, FIG. 2)

  However, in the conventional cooking device, when the power is turned on by the power switch, the thermal power display means is not lit, and one LED provided near the power switch is lit or one operation key is lit. Therefore, there is a problem that it is difficult for the user to visually recognize that the power is turned on, and that the user remains uneasy.

  The present invention has been made in view of the above problems, and when the power is turned on, the light-emitting elements of all the thermal power display means are made to emit light sequentially at a predetermined time interval, whereby the user is turned on. An object of the present invention is to provide a heating cooker capable of visually recognizing.

  A cooking device of the present invention that solves the problem is provided in a main body, and is provided with a power switch that turns on and off the power, a top plate that is provided above the main body and on which the object to be heated is placed, and is provided below the top plate, A heating power for displaying the magnitude of the heating power of the heating means by a plurality of heating means for heating the heated object and the number of light emitting elements of the plurality of light emitting elements arranged in a straight line or curve below the top plate for each of the plurality of heating means Provided for each of a plurality of heating means below the display means, a temperature detection means for detecting the temperature of the top board provided corresponding to the heating means, a plurality of heating means, and a heating means for each heating means Control means for controlling the thermal power display means, and after turning on the power by the power switch, the control means from the left end of the light emitting element of the thermal power display means corresponding to the heating means arranged on the left, Against heating means arranged on the right To the right end of the light emitting element of the thermal power display means, or from the right end of the light emitting element of the thermal power display means corresponding to the heating means disposed on the right side of the heating power display means corresponding to the heating means disposed on the left side. The light emitting element sequentially emits light at predetermined time intervals up to the left end of the light emitting element, and the control means finishes heating when heating of any one of the plurality of heating means is finished. When the temperature of the top plate detected by the temperature detection means corresponding to the heating means is equal to or higher than the predetermined temperature T2, the thermal power display means corresponding to the heating means that has finished heating is changed in the light emission gradation of the light emitting element. While it is lit.

  According to the present invention, since the plurality of light emitting elements of all the thermal power display means corresponding to the plurality of heating means are sequentially made to emit light at a predetermined time interval, it is visually confirmed that the user has been turned on. It can be recognized, and a sense of security can be given to the user.

Further, by sequentially emitting light at predetermined time intervals, the heating power display means of a plurality of heating means are turned on in order, so that each heating means can be impressed to the user, and a plurality of heating means can be used by the user. Can be recognized.
In addition, by lighting up while changing the gradation and displaying that the temperature is high, the user can recognize that the top plate above the heating means is high temperature, and be careful of the high temperature part. This improves safety.

It is a perspective view which shows the structure of the heating cooker which concerns on Embodiment 1 of this invention. It is a perspective view of the state which removed the top plate which shows the structure of the heating cooker which concerns on Embodiment 1 of this invention. It is the schematic diagram which removed the top plate which shows the structure of the heating cooker which concerns on Embodiment 1 of this invention, and was seen from upper direction. It is a block diagram which shows the basic composition of the heating cooker which concerns on Embodiment 1 of this invention. (A) Top view which shows one Example of the heating means of the heating cooker which concerns on Embodiment 1 of this invention, (b) Other examples of the heating means of the heating cooker which concerns on Embodiment 1 of this invention FIG. It is a schematic diagram which shows one Example of the lighting order of the light emitting element at the time of power activation of the heating cooker which concerns on Embodiment 1 of this invention. It is a lighting pattern schematic diagram which shows the lighting state of the light emitting element of the heating cooker which concerns on Embodiment 1 of this invention. It is a lighting pattern schematic diagram which shows the lighting state of the multicolor light emitting element of the heating cooker which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows one Example of the lighting order of a light emitting element when lighting a thermal-power display means so that a visual line may be guide | induced to the left display means of the heating cooker which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows the other Example of the lighting order of a light emitting element when lighting a thermal-power display means so that a visual line may be guide | induced to the center display means of the heating cooker which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows one Example of the light emitting element lighting condition of a thermal power display means when setting the thermal power of the left heating means of the heating cooker which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows one Example of the light emitting element lighting condition of a thermal-power display means when performing the high temperature notification of the left heating means of the heating cooker which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows one Example of the light emitting element lighting condition of a thermal-power display means when performing the high temperature notification of the left heating means of the heating cooker which concerns on Embodiment 1 of this invention.

Embodiment 1
(Constitution)
1 is a perspective view showing a configuration of a heating cooker according to Embodiment 1 of the present invention, and FIG. 2 is a perspective view of a state where a top plate showing the configuration of the heating cooker according to Embodiment 1 of the present invention is removed. FIG. 3 is a schematic view of the heating cooker according to Embodiment 1 of the present invention with the top plate removed and seen from above. FIG. 4 is a basic configuration of the heating cooker according to Embodiment 1 of the present invention. FIG. 5 (a) is a plan view showing an example of heating means of the heating cooker according to Embodiment 1 of the present invention, and FIG. 5 (b) is according to Embodiment 1 of the present invention. It is a top view which shows the other Example of the heating means of a heating cooker.

Hereinafter, the structure of the heating cooker according to the first embodiment of the present invention will be described with reference to FIGS.
Note that in each drawing, the same reference numerals are given to the same portions or corresponding portions, and some descriptions may be omitted.

  As shown in FIG. 1, the heating cooker 100 according to Embodiment 1 of the present invention is a non-magnetic material, for example, crystallized, on which a cooking object 10 such as a pot can be placed on the top surface of the main body 1. A top plate 2 made of glass and a top plate 4 provided with a frame 3 made of a metal, for example, stainless steel, fixed to the outer periphery of the top plate 2 with a silicon adhesive (not shown) or the like.

Then, the top panel 4 is provided with an upper surface operation unit 5 for performing various operation inputs. The upper surface operation unit 5 is provided with an upper surface left operation unit 5a corresponding to a left heating unit, which will be described later, an upper surface right operation unit 5b corresponding to a right heating unit, and an upper surface center operation unit 5c corresponding to a central heating unit.

  A front operation unit 6 and a power switch 7 for turning on and off the heating cooker are provided on the front surface of the main body 1. The front operation unit 6 includes a left heating power setting means 6a for setting the heating power of the left heating means, a right heating power setting means 6b for setting the heating power of the right heating means, and a central heating power setting means 6c for setting the heating power of the center heating means. Is provided.

  Reference numeral 8 denotes a cooking chamber in which an object to be cooked such as a fish is placed inside for grill cooking or oven cooking, and a radiant heating means (not shown) is disposed inside. The front side of the cooking chamber 8 is open, and the front side opening of the cooking chamber 8 has a cooking chamber door 9 for closing the opening of the space in which the above-described radiation heating means (not shown) is disposed. It can be pulled out freely.

  The cooking cabinet door 9 is adapted to be able to pull out a placing plate (not shown) and a grill (not shown) on which the object to be cooked is linked in conjunction with the drawer, and the cooking cabinet door 9 is pushed in most. In this state, the front opening of the cooking chamber 8 is closed and cooking can be performed. Cooking operation input can be performed from input means (not shown) of the upper surface operation unit 5 or the front surface operation unit 6.

  A left heating means 11, a right heating means 12, and a central heating means 13 are disposed in the main body 1 below the top plate 2 as shown in FIG. Each is an induction heating means composed of an induction heating coil, and the one provided with three heating means in this way is called a three-neck type heating cooker.

The top plate 2 above the left heating unit 11, the right heating unit 12, and the central heating unit 13 is provided with a left mounting portion 2d and a right heating unit 12 that indicate positions where the pan is placed when the left heating unit 11 is used. The left placement part 2e which shows the position which puts a pan when using it, and the left placement part 2f which shows the position which puts a pot when using the center heating means 13 are represented by printing, for example.

  Here, the induction heating means means a heating means using the principle of electromagnetic induction. For example, the left heating means 11 that is an induction heating coil is applied to the left heating means inverter circuit 25 shown in FIG. Is applied, rotating magnetic field lines are generated and a uniform magnetic field is generated inside the induction heating coil.

When the magnetic field penetrates the induction heating coil, a magnetic field that disturbs the magnetic flux change is generated inside the induction heating coil, and an eddy current flows through the object to be heated and continues to flow by applying a high-frequency AC current, for example, an AC current of 20 to 90 kHz. Therefore, it is a heating method in which the heated object generates heat by generating Joule heat due to the electric resistance and eddy current of the heated object.

In the above description, an example in which three induction heating means are provided has been described. However, in a heating cooker in which three heating means are provided, one of them is a heating means that is not an induction heating means, such as a radiant heater. It may be constituted by a radiant heating means made of such a heating wire, and can be appropriately selected.

  2 and 3, a left display means 18, a right display means 19, and a central display means 20 are provided below the top plate 2, and the left display means 18 is a window provided on the top plate 2. The display contents can be visually recognized from above the top plate 2 by the window 2b for the part 2a, the right display 19 and the window 2c for the central display 20, respectively.

The left and right center display means here are display means using liquid crystal (LCD). However, the present invention is not limited to a liquid crystal (LCD), and an organic electroluminescence (EL) element or the like may be used.

Further, the display in the above-described display means an operation for visually informing the user of the operating conditions of the cooking device and related information to be used for cooking by characters, symbols and illustrations.

The top plate 2 is provided with a left heating power display means 14a corresponding to the left heating means, a right heating power display means 14b corresponding to the right heating means, and a central heating power display means 14c corresponding to the central heating means.

The left heating power display means 14a, the right heating power display means 14b, and the central heating power display means 14c do not light up the top plate 2 itself, but the left heating elements 15a to 15j mounted on the substrate 21 shown in FIGS. The left heating power display means 14a emits light from the light emitting element group 15, the right heating power display means 14b emits light from the right light emitting element group 16 composed of light emitting elements 16a to 16j, and the central light emitting element group 17 composed of light emitting elements 17a to 17e emits light. Lights up.

Each of the light emitting elements 15a to 15j, 16a to 16j, and 17a to 17e is composed of a chip-like LED capable of emitting multicolor light (light emitting diode), which is a semiconductor light emitting element. The group 15 is the light emitting element light guide member 28a for the left thermal power display means, the right light emitting element group 16 is the light emitting element light guide member 28b for the right thermal power display means, and the central light emitting element group 17 is the light emitting element light guide for the central thermal power display means. Light is guided to the back of the top plate 2 by the member 28c, and the left thermal power display means 14a, the right thermal power display means 14b, and the central thermal power display means 14c are displayed by the light of the light emitting element that has passed through the top plate 2.

  As described above, the left heating means 11, the right heating means 12, and the central heating means 13 are induction heating means each composed of an induction heating coil, and are composed of electronic components (not shown) on the side of the cooking cabinet 8. A control board (not shown) including the control means 22 shown in FIG. 4 is provided.

Further, the left heating means inverter circuit 25, the right heating means inverter circuit 26 shown in FIG. 4, which is composed of a switching element (not shown), a rectifier circuit (not shown), and other electronic components (not shown), An inverter board (not shown) including the inverter circuit 27 for central heating means is disposed.

  As shown in FIGS. 3 and 4, the left heating means 11 is provided with a temperature sensor 23a for the left heating means, which is a temperature detection means, in the outer shape thereof. The temperature sensor 23a for the left heating means is a heat transfer type temperature sensor such as a thermistor that detects the temperature by contacting the temperature measurement object, and is brought into contact with the back surface of the top plate 2, and the top above the left heating means 11 The temperature of the plate 2 is detected.

Similarly, the right heating means 12 is provided with a right heating means temperature sensor 23b, which is a temperature detection means, in the outer shape thereof. Reference numeral 23b denotes a heat transfer type temperature sensor, which is brought into contact with the back surface of the top plate 2, and the right heating means. 12 detects the temperature of the top plate 2 above.

The central heating means 13 is provided with a central heating means temperature sensor 23c as a temperature detection means in its outer shape, and 23c is a heat transfer type temperature sensor, which is brought into contact with the back surface of the top plate 2 and above the central heating means 13. The temperature of the top plate 2 is detected.

In the first embodiment of the present invention, an example in which a heat transfer type temperature sensor is used as the temperature detecting means is given. This is because the heat transfer type temperature sensor receives the radiant heat from the top plate 2 and the object to be heated 10 and can reliably detect the temperature of the bottom of the object to be heated 10 and the top plate 2 directly below it, and also detects heat transfer. This is because the temperature of the top plate 2 can be detected even when the article to be heated 10 is moved.

Further, as shown in FIGS. 3 and 4, an example in which one temperature detecting means is provided in each of the outer shapes of a plurality of heating means such as the left heating means 11, the right heating means 12, and the central heating means 13 is given. However, as shown in FIG. 5A, a plurality of temperature detection means, for example, temperature detection means 23a, 30, 31 are included in the outer shape of the left heating means 11 (the same applies to the right heating means 12 and the central heating means 13). Thus, three temperature detection means may be provided, and the detection accuracy of temperature detection can be improved.

Furthermore, it is not limited to the outer shape of the heating means, but may be provided close to the outer shape of the heating means, such as the temperature detection means 32, or may be provided both inside and outside the outer shape.

Then, in the first embodiment of the present invention, the induction heating coil of each heating means is given an example in which it is operated by one inverter circuit. However, the present invention is not limited to this, and FIG. An external heating coil 29a as shown, and a heating coil 29c provided with a predetermined space and connected in series, and an inner heating coil 29b composed of a heating coil 29d may be energized by independent inverter circuits.

Further, as shown in FIG. 5B, the outer heating coil is provided with a predetermined space between the inner heating coil 29b and the inner heating coil 29b can be energized independently or in sets of two. You may comprise with a some heating coil like the outer coil 1 (33a), the outer coil 2 (33b), the outer coil 3 (33c), and the outer coil 4 (33d).

(Operation)
Next, an example of the operation of the heating cooker according to the first embodiment of the present invention will be described with reference to FIGS. 4 and 6 to 10 described above. FIG. 6 is a schematic view showing an example of the lighting sequence of the light emitting elements when the cooking device according to Embodiment 1 of the present invention is turned on, and FIG. 7 is a cooking device according to Embodiment 1 of the present invention. FIG. 8 is a lighting pattern schematic diagram showing the lighting state of the multicolor light emitting elements of the heating cooker according to Embodiment 1 of the present invention, and FIG. FIG. 10 is a schematic diagram showing an example of the lighting sequence of the light emitting elements when the thermal power display means is turned on so as to guide the line of sight to the left display means of the heating cooker according to Embodiment 1, and FIG. 10 is Embodiment 1 of the present invention. The schematic diagram which shows the other Example of the lighting sequence of the light emitting element when lighting a thermal-power display means so that a visual line may be guide | induced to the center display means of the heating cooker which concerns on FIG. 11, FIG. 11 concerns on Embodiment 1 of this invention Thermal power table when setting the thermal power of the left heating means of the cooking device Is a schematic view showing an embodiment of a light emitting element lighting conditions means.

  When the power is turned on by the power switch 7, the control means 22 is provided at the leftmost end of the light emitting element group 15 of the left heating power display means 14a corresponding to the left heating means 11 by an IC driver that controls the lighting of the LED. Light emission and lighting are sequentially performed at predetermined time intervals in the direction of arrow A shown in FIG. 6 from the light emitting elements 15a to 15j.

Following the left heating power display means 14a, the light emitting elements 17a of the central heating power display means 14c corresponding to the central heating means 13 from the light emitting elements 17a to 17e provided at the leftmost end of the light emitting element group 17c are shown in FIG. Light is emitted and turned on sequentially in the direction at predetermined time intervals.

Further, following the central heating power display means 14c, the arrows shown in FIG. 6 from the leftmost light emitting elements 16a to 16j of the light emitting element group 16 of the right heating power display means 14b corresponding to the right heating means 12. In the direction B, light is emitted and turned on sequentially at predetermined time intervals.

At this time, the light emitting element is not simply turned on, but the control means 22 is turned on by the IC driver 24 while changing each gradation. The gradation refers to gradations of stepped colors and brightness. The more gradations, the light can be turned on while smoothly changing the light emission.

FIG. 7 shows a lighting pattern in a single color. As an example, one frame has a light emission time of 40 seconds. However, the light emission time per frame is not limited to this, and can be selected and changed as appropriate.

The light-emitting element 15a changes the lighting pattern from light emission to gradually dark light emission in units of one frame, and after continuing dark light emission for several frames, changes the lighting pattern from light emission to light emission gradually in units of one frame and turns off. It is supposed to be. All the light emitting elements are set at predetermined time intervals such that the light emitting element 15b is turned on after one frame (40 seconds) has elapsed since the light emitting element 15a started lighting, and the light emitting element 15c is turned on after one frame has elapsed. The light is emitted and turned on sequentially.

As described above, since the light emitting elements are sequentially lit and turned on after a predetermined time has elapsed since the previous light emitting element was turned on, as shown in FIG. 7, the light emitting element is turned on before the previous light emitting element is turned off. .

In other words, when the light emitting element adjacent to the control unit 22, for example, 15b is turned on, 15a is controlled so as not to be turned off yet.

Although an example of monochromatic light emission has been described above, the light emitting elements 15a to 15j, 16a to 16j, and 17a to 17e according to Embodiment 1 of the present invention are each configured by LEDs capable of multicolor light emission. FIG. 8 shows an example of a lighting pattern in two colors.

In FIG. 8, the light emitting element 15a is first turned on with a light emission of red, and the light emission pattern is gradually changed to a dark emission in units of one frame. Start lighting.

When red and blue light are emitted simultaneously, light emission is bright purple or pink, and the light can be lit while changing the color tone in addition to the gradation. The number of frames that change from light emission to dark light emission is the same for both red and blue, but the number of frames that continue to emit deep light is set to be smaller for blue, and red and blue are turned off at the same timing. It is supposed to be.

After the light emitting element 15a starts to light in red, the light emitting element 15b lights in red after a lapse of one frame (40 seconds). At this time, the blue color of the light emitting element 15a is not yet lit, and the blue color of the light emitting element 15a is lit at the same timing as the red color of the light emitting element 15f is lit.

The same light emitting element is made to emit light of different colors at different times, and all the light emitting elements 15a to 15j, 16a to 16j, and 17a to 17e are sequentially emitted and lighted at predetermined time intervals while changing the gradation and tone. It has become.

In this example, the light emitting element 15a to the light emitting element 16j are sequentially emitted and lit at a predetermined time interval. However, the light emission and lighting may be repeated a plurality of times at the predetermined time interval. You may make it light-emit and light up one by one at predetermined time intervals toward the light emitting element 15a from the light emitting element 16j on the opposite side.

Alternatively, the light emitting element 15a to the light emitting element 16j may be sequentially lighted and turned on at a predetermined time interval, and may be turned on so as to return from 16j to 15a.

It should be noted that the predetermined time interval does not have to be constant at all until the light emitting element at the light emission start position sequentially emits light and ends, and the time interval can be shortened while sequentially emitting and lighting. It may be long.

In addition, light is emitted and lighted while sequentially shortening the time interval from the light emitting element at the light emission start position to the light emitting element at the intermediate position, and light emission is performed so that the time interval is sequentially returned from the light emitting element at the intermediate position to the light emitting element at the last position Alternatively, it may be lit.

In this way, when the power is turned on, all the light emitting elements of the thermal power display means sequentially emit light and turn on at predetermined time intervals, so that the user can be visually impressed that the power is turned on. In addition, since all the light emitting elements of the thermal power display means are turned on in order when the power is turned on, it is possible to check for problems such as the light emitting elements of the thermal power display means not lighting before starting cooking. Can improve the sense of security.

As shown in FIGS. 1 to 3, the arrangement positions of the light emitting elements of the left light emitting element group 15, the right light emitting element group 16, and the central light emitting element group 17 are operated by a user who operates the power switch so that the user can easily see the light emitting elements. On the side close to.

Furthermore, since it is installed long in the horizontal direction so as to intersect the straight line connecting the user and the position where the object to be heated 10 such as a pan is placed, a predetermined time interval so as to cross the user's line of sight Since the lights are turned on and turned on sequentially, the user can be more visually impressed that the power is turned on.

In a situation where the heating state is continued to some extent during use, for example, when the power is stopped once due to a power failure and the power is turned on again, the light emitting elements of the thermal power display means may not sequentially emit light at a predetermined time interval.

For example, a power failure occurs while the left heating unit 11 is in use, and the temperature detected by the temperature detection unit 23a that detects the temperature of the top plate 2 above the left heating unit 11 described later is equal to or higher than a predetermined temperature T1 after the power is turned on again. If so, the control means 22 determines that the left heating means 11 is in a heated state, and prevents the light emitting elements of the thermal power display means from sequentially emitting light at predetermined time intervals.

As a result, when the heating power display or the heating condition display before the power failure stored in the storage means (not shown) is continuously displayed when the power is turned on again, the cooking can be continued as it is, so that the user can use it easily. Can be improved.

Next, an example of lighting when inputting heating conditions for operating the left heating unit 11 from the upper surface left operation unit 5a of the upper surface operation unit 5 will be described. When there is an input from the upper left operation section 5a, the heating condition input for operating the left heating means 11 is displayed on the left display means 18 by the control means 22.

The control means 22 displays the heating conditions of the left heating means 11 on the left display means 18 and, as shown in FIG. 9, an arrow from the light emitting elements 16j to 16a of the right heating power display means 14b farthest from the left display means 18. In the direction D, light is emitted and turned on sequentially at predetermined time intervals.

Following the light emitting elements 16j to 16a of the right thermal power display means 14b, the light is emitted and turned on sequentially at predetermined time intervals in the direction of arrow E toward the light emitting elements 17e to 17a of the central thermal power display means 14c. Light is emitted and lighted sequentially at predetermined time intervals in the direction of arrow F from 15j toward the light emitting element 15a of the near left heating power display means 14a. In this case, the light emitting element may be lit in a single color or lit in multiple colors, and lighting from 16j to 15a may be sequentially emitted and lit at a predetermined time interval a plurality of times.

In this way, the light emitting elements are sequentially emitted at predetermined time intervals and turned on, so that the light emitting elements are predetermined toward the left display means 18 displaying the heating condition of the left heating means 11 in this case. By sequentially emitting light and turning it on at time intervals, it is possible to guide the user's line of sight to the display means that the user wants to see, and to improve the visibility of the user.

Here, all the light-emitting elements of the thermal power display means are sequentially lit and lit at predetermined time intervals. However, when guiding the line of sight to the left display means 18, the light-emitting elements 15j of the left thermal power display means 14a are used. You may make it light-emit and light 15a 15a sequentially in the direction of the arrow F at a predetermined time interval.

Further, the example in which the line of sight is guided to the left display unit 18 has been described, but when the line of sight is guided to the right display unit 19, the light emitting element 16j closest to the right display unit 19 from the light emitting element 15a farthest from the right display unit 19 is described. Then, light emission and lighting may be sequentially performed at predetermined time intervals.

Next, an example of lighting when inputting heating conditions for operating the central heating means 13 from the upper surface central operation unit 5c of the upper surface operation unit 5 will be described. When there is an input from the upper surface central operation unit 5 c, the heating condition input to operate the central heating means 13 is displayed on the central display means 20 by the control means 22.

The control means 22 displays the heating conditions of the central heating means 13 on the central display means 20, and, as shown in FIG. 10, the arrow points from the light emitting elements 15a to 15j of the left heating power display means 14a farthest from the central display means 18. At the same time as turning on continuously in the direction of A, light is emitted and turned on sequentially at predetermined time intervals in the direction of arrow D from the light emitting elements 16j to 16a of the right heating power display means 14b.

In this case, the light emitting element may be lit in a single color or lit in multiple colors, and the lighting from 15a to 15j and 16j to 16a may be sequentially emitted and lit several times at a predetermined time interval. Moreover, the lighting start of 15a and 16a may be synchronized, and lighting may be started by shifting predetermined time.

Since the light emitting elements are sequentially emitted and lit at predetermined time intervals from the left and right toward the central display means 20 that the user wants to see, the user's line of sight is displayed on the central display means 20 that the user wants to see. Therefore, the user's visibility can be improved.

Next, an example of lighting when all the heating means of the left heating means 11, the right heating means 12, and the central heating means 13 are used will be described. The heating condition input of the left heating means 11 is input from the upper left operation section 5a, the heating condition input of the right heating means 12 is input from the upper left operation section 5b, and the heating condition input of the central heating means 13 is input from the upper left operation section. Start from 5c.

At this time, the left thermal power display means 14a, the right thermal power display means 14b, and the central thermal power display means 14c are lit in a light emission state in a standby state of the thermal power setting input. Each thermal power setting condition is performed by a left thermal power setting means 6a, a right thermal power setting means 6b, and a central thermal power setting means 6c provided in the front operation unit 6.

Here, the heating power setting of the left heating means 11 is set by the left heating power setting means 6a. As shown in FIGS. 1 and 2, the left heating power setting means 6 a is provided on the front side of the main body 1 on a surface different from the surface on which the left heating power display means 14 a is provided.

For this reason, it is difficult to set the thermal power while looking at the hand to be operated, and the operation is performed without looking at the hand, so that the user may not know whether the thermal power setting means to be operated can be operated.

Therefore, when the left heating means 11a starts to set the heating power of the left heating means 11, the light emitting element group 15 of the left heating power display means 14a is replaced with the light emitting element group 16 of the right heating power display means 14b, as shown in FIG. By changing the lighting state to a higher (darker) gradation different from the light emission in the light standby state of the light emitting element group 17 of the central heating power display means 14c, the heating power of the left heating means 11 is set without looking at the hand. Since the user can recognize this, the operability is improved.

  Even if the heating condition and heating power are set and cooking progresses, the heating is completed and the article to be heated 10 is moved, the top plate 2 above the heating means used for heating is hot immediately after heating, so that it can be burned when touched. There is a fear.

For example, when the left heating unit 11 is used, if the temperature detected by the temperature detection unit 23a is equal to or higher than the temperature at which there is a risk of burns even after the heating is finished, the control unit 22 uses the light emitting element group of the left heating power display unit 14a. 15 is turned on while changing the gradation at a predetermined interval as shown in FIGS.

Thereby, even after the heating is finished, the user can recognize that the top plate 2 above the left heating means 11 that has been used is hot, and the high temperature part can be taken care of. Will improve.

In addition to turning on the light emitting elements 15a to 15j in the same way as shown in FIG. 12 as well as changing the gray scale, 15e and 15f near the center are shown as high (dark) gray scale as shown in FIG. 13 (a). Then, the gradation level is changed from 15e and 15f to lower (lighter) gradations toward the outer 15a and 15j, or 15e and 15f near the center are changed to low (lighter) gradations as shown in FIG. 13 (b). The top plate 2 above the left heating means 11 that has been used may be changed from 15e and 15f to higher (darker) gradations toward the outer 15a and 15j. The user can recognize that the temperature is high, and the high temperature part can be taken care of, so safety is improved.

When the temperature of the top plate 2 above the left heating unit 11 detected by the temperature detecting unit 23a is lowered to a predetermined temperature T5 after the start of displaying that the temperature is high, the gradation of (a) shown in FIG. Is turned on while changing the gradation at predetermined intervals in (b) and (c).

Further, when the temperature of the top plate 2 falls to a predetermined temperature T4, lighting at the gradations (a) and (b) shown in FIG. 12 is not performed, and (c) and a floor lower than (c) (not shown). It is lit while changing the gradation at predetermined intervals.

And when it becomes lower than the predetermined temperature T2 at which there is no fear of burns, the control means 22 turns off the light emitting element group 15 of the left heating power display means 14a.

  As an example of displaying the high temperature state of the top plate above the heating means in the thermal power display means, it is possible to display not only in a normal state but also in a state where the heating means has an abnormally high temperature.

For example, when the left heating unit 11 is used, when the temperature of the top plate 2 above the left heating unit 11 detected by the temperature detection unit 23a is equal to or higher than a predetermined temperature T3 that is impossible in normal use, The control unit 22 determines that the left heating unit 11 is in an abnormal state, and controls the left heating unit inverter circuit 25 to stop the left heating unit 11.

Since the top plate 2 above the left heating means 11 is at a high temperature, the control means 22 displays the light emitting element group 15 of the left heating power display means 14a as shown in FIG. As shown in (a) to (c), lighting is performed while changing the gradation at a predetermined interval to display that the temperature is high.

As a result, the user can recognize that the top plate 2 above the left heating means 11 is at a high temperature, and the high temperature portion can be taken care of, so that safety is improved. In order to distinguish the display from the normal high-temperature state, it is desirable to light the display different from the normal high-temperature state display, for example, by changing the interval for changing the gradation.

Then, when the temperature becomes high in an abnormal state, not only the left heating power display means 14a displays the high temperature state, but also the left display means 18 displays that it is in an abnormal state, stopped in the abnormal state, etc. Alternatively, the user can be made aware that heating has stopped in an abnormal state.

As described above, since the light emitting element of the thermal power display means is lit while continuously changing the gradation and color tone, the user's cognition and lighting distinguishability are improved, and the thermal power that is easy for the user to visually recognize A display means can be realized.

A arrow, B arrow, C arrow, D arrow, E arrow, F arrow, 1 body, 2 top plate, 2a window part, 2b window part, 2c window part, 2d left placement part, 2e right placement part, 2f Central mounting unit, 3 frame body, 4 top plate, 5 upper surface operation unit, 5a upper surface left operation unit, 5b upper surface right operation unit, 5c upper surface center operation unit, 6 front operation unit, 6a left heating power setting means, 6b right heating power Setting means, 6c Central heating power setting means, 7 Power switch, 8 Cooking chamber, 9 Cooking door, 10 Heated object, 11 Left heating means, 12 Right heating means, 13 Central heating means, 14a Left heating power display means, 14b Right Thermal power display means, 14c Central thermal power display means, 15 Left light emitting element group, 15a to 15j light emitting element, 16 Right light emitting element group, 16a to 16j Light emitting element, 17 Central light emitting element group, 17a to 17e Light emitting element, 18 Left display means, 19 Right display means, 20 Center display means, 21 Substrate, 22 Control means, 23a Temperature sensor for left heating means, 23b Temperature sensor for right heating means, 23c Temperature sensor for central heating means, 24 IC driver, 25 Inverter circuit for left heating means, 26 Inverter circuit for right heating means, 27 Inverter circuit for central heating means, 28a Light emitting element light guide member for left heating power display means, 28b Light emitting element light guide member for right heating power display means, 28c Central heating power Light emitting element light guide member for display means, 29a outer heating coil, 29b inner heating coil, 29c heating coil, 29d heating coil, 30 temperature sensor, 31 temperature sensor, 32 temperature sensor, 33a outer heating coil 1, 33b outer heating coil 2 33c outer heating coil 3, 33d outer heating coil 4, 00 heating cooker.

Claims (3)

A power switch provided on the main body to turn the power on and off;
A top plate provided above the main body, on which an object to be heated is placed;
A plurality of heating means provided below the top plate for heating the object to be heated;
Thermal power display means for displaying the magnitude of the thermal power of the heating means according to the number of light emitting elements of the plurality of light emitting elements provided in a straight line or curved line below the top plate for each of the plurality of heating means;
Below the top plate, for each of the plurality of heating means, temperature detection means for detecting the temperature of the top plate provided corresponding to the heating means,
A plurality of the heating means, and a control means for controlling the heating power display means provided for each of the heating means,
After the power is turned on by the power switch, the control means corresponds to the heating means arranged on the right side from the left end of the light emitting element of the thermal power display means corresponding to the heating means arranged on the left side. Thermal power display means corresponding to the heating means arranged on the left side from the right end of the light emitting element of the thermal power display means corresponding to the heating means arranged on the right side to the right end of the light emitting element of the thermal power display means The light emitting element is made to emit light sequentially at a predetermined time interval until the left end of the light emitting element,
When the heating of any one of the plurality of heating units is completed, the control unit detects that the temperature of the top plate detected by the temperature detection unit corresponding to the heating unit that has finished heating is a predetermined temperature. When it is T2 or more, a heating cooker characterized in that the heating power display means corresponding to the heating means that has finished heating is turned on while changing the gradation of light emission of the light emitting element.   The control means turns on the thermal power display means while gradually decreasing the light emission gradation of the light emitting element until the temperature of the top plate detected by the temperature detection means becomes lower than the predetermined temperature T2, The cooking device according to claim 1, wherein when the temperature of the top plate becomes lower than the predetermined temperature T2, the heating power display means is turned off.   The control means is such that the temperature of the top plate detected by the temperature detection means corresponding to the heating means being heated is equal to or higher than a predetermined temperature T3 while any one of the plurality of heating means is heating. When the heating means is judged to be abnormal, heating of the heating means during heating is stopped, and the heating power display means corresponding to the heating means that has stopped heating is changed while changing the gradation of light emission of the light emitting element. The cooking device according to claim 1, wherein the cooking device is lit.

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