JP2016130593A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker capable of making a heating chamber look brighter, and making dirt of the heating chamber inconspicuous.SOLUTION: A heating cooker includes: a heating chamber 28 having substantially rectangular parallelepiped shape, on the front face of which a door is provided; grille heating means provided on the upper surface outside of the heating chamber; a hot air unit provided on the depth surface outside of the heating chamber; and a lighting device provided on the right surface or left surface outside of the heating chamber. In the heating cooker, brightnesses or saturations of a right surface 28d, left surface and bottom surface of the heating chamber are higher than brightnesses or saturation of an upper surface 28e or depth surface 28b thereof.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a heating cooker that heats in a heating chamber.

  Some recent cooking devices include an LED in the illumination for illuminating the heating chamber.

  The thing shown in patent document 1 provides what illuminates and illuminates a heating chamber by providing an illuminating device on the upper and lower sides of the cooking plate put on the tray receiving part of a heating chamber.

WO2014 / 136389A1

  Oil scatters and adheres in the heating chamber by cooking. Furthermore, since it is heated, stains are seized. In the heating cooker shown in Patent Document 1, by providing two LED lighting devices, a heating chamber in which a black color that is less noticeable of dirt is applied by light from an LED having higher directivity than an incandescent light bulb. Then there was a problem that the brightness of the light was conspicuous.

  The present invention has been made in order to solve the above-described problem. A heating chamber having a substantially rectangular parallelepiped shape provided with a door on the front surface, grill heating means provided on the outer side of the upper surface of the heating chamber, A heating cooker provided with a hot air unit provided outside the back surface and illumination provided outside the right surface or left surface of the heating chamber, the brightness or saturation of the right surface, left surface, and bottom surface of the heating chamber, It is a heating cooker that is higher than the brightness or saturation of the top or back surface.

  A heating cooker comprising: a substantially rectangular parallelepiped heating chamber provided with a door on the front surface; grill heating means provided outside the upper surface of the heating chamber; and illumination provided outside the right or left side of the heating chamber. In the heating cooker, the brightness or saturation of the right, left, bottom and back surfaces of the heating chamber is higher than the brightness or saturation of the top surface.

  According to the present invention, it is possible to make the heating chamber look bright and to make dirt in the heating chamber inconspicuous.

It is the perspective view which looked at the main part of the cooking-by-heating machine of Example 1 from the front side. It is AA sectional drawing of FIG. It is the perspective view which looked at the state which removed the outer frame from the main body of the heating cooker from the front side. It is the perspective view seen from the back side in the state which removed the outer frame from the main body of the heating cooker. It is the longitudinal cross-sectional view which cut the heating chamber of the heating cooker in the irradiation part. It is the perspective view seen from the left front of the heating chamber of the heating cooker. It is the perspective view seen from the upper left front of the heating chamber of the heating cooker. It is the perspective view seen from the lower left front of the heating chamber of the heating cooker. It is the perspective view seen from the right front of the heating chamber to the heating cooker. It is a block diagram showing the control means of the heating cooker.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the above-described drawings of FIGS.

  The heating cooker of Example 1 is demonstrated using FIGS. 1-4. The main body 1 of the heating cooker has a heating chamber 28 having a substantially rectangular parallelepiped shape with a door 2 on the front surface, and a cooking object is placed in the heating chamber 28 and the heat of microwaves, heaters, and steam is used. Then cook the food to be cooked.

  The door 2 opens and closes in order to put the food to be taken in and out of the heating chamber 28, and when the door 2 is closed, the heating chamber 28 is hermetically sealed to leak microwaves used for heating the food to be cooked. It is possible to prevent heat, contain heat, and heat efficiently.

  The handle 9 is attached to the door 2 and facilitates opening and closing of the door 2, and has a shape that can be easily grasped by a hand.

  The glass window 3 is attached to the door 2 so that the state of food being cooked can be confirmed, and uses glass that can withstand high temperatures due to heat generated by a heater or the like.

  The input means 71 is provided on the operation panel 4 below the front surface of the door 2, and is provided on the outside of the heating chamber upper surface 28e of the heating chamber 28 and a range heating means 77 (FIG. 10) for heating the object to be cooked by microwaves. Hot air of the hot air unit 11 by the grill heating means 12 for heating the food to be cooked by the heater, the water vapor generating means 43 for heating the food to be cooked by steam, the hot air heaters 14a and 14b provided above and below the heating chamber inner wall surface 28b, etc. The operation unit 6 for selecting a heating unit such as an oven heating unit for heating the heating chamber 28 and inputting cooking conditions such as a heating time and an automatic menu, and the contents input from the operation unit 6 and the progress of cooking It is comprised with the display part 5 which displays a state.

  The water tank 42 is a container for storing water necessary for producing water vapor. The water tank 42 is provided on the lower front side of the main body 1 and can be attached and detached from the front surface of the main body 1 to facilitate water supply and drainage. It can be done.

  The outer frame 7 is a cabinet that covers the upper surface and the left and right side surfaces of the main body 1 of the heating cooker.

  The rear plate 10 forms the rear surface of the cabinet described above, and an external exhaust duct 18 is attached to the upper portion of the rear plate 10. Exhaust holes 36 for discharging cooling air (waste heat) 39 after cooling the components are provided.

  The external exhaust duct 18 discharges the cooling air 39 that has passed through the exhaust hole 36 to the outside of the main body 1. Exhaust air is discharged from the external exhaust port 8 of the external exhaust duct 18, and the exhaust discharge direction is the main body 1. The air is exhausted to the upper side and to the front side. The exhaust direction is directed upward and toward the front side, so that the wall surface is not contaminated by the exhaust even when the rear surface is brought close to the wall surface.

  The machine room 20 is provided in a space portion between the heating chamber bottom face 28a and the bottom plate 21 of the main body 1. On the bottom plate 21, a magnetron 33 for heating food, a waveguide 47 connected to the magnetron 33, The control board 23, other components described later, and cooling means 50 (FIG. 10) for cooling these various components are attached.

  The heating chamber left side 28c and the heating chamber right side 28d (FIG. 5) of the heating chamber 28 are provided with a shelf 27 including an upper shelf 27a, an intermediate shelf 27b, and a lower shelf 27c, on which various heating dishes used for cooking are placed.

  The heating chamber bottom surface 28a has a concave shape in the substantially central portion, and the rotating antenna 26 is installed therein, and the microwave radiated from the magnetron 33 is output to the waveguide 47 and the output shaft 46a of the rotating antenna driving means 46. Flows into the lower surface of the rotating antenna 26 through the coupling hole 47a that penetrates, is diffused by the rotating antenna 26, and is radiated into the heating chamber 28. The rotating antenna 26 is connected to the output shaft 46 a of the rotating antenna driving means 46.

  The cooling means 50 is a fan device 15 in which a fan is connected to a cooling motor attached to the bottom plate 21, and the cooling air 39 blown by the cooling means 50 is a magnetron 33 that generates heat in the machine room 20 or an inverter board. 22, the weight detecting means 25 and the like are cooled, flow between the outside of the heating chamber 28 and the outer frame 7 and between the hot air case 11a and the rear plate 10, and the exhaust hole 36 is cooled while cooling the outer frame 7 and the rear plate 10. And is discharged from the external exhaust port 8 of the external exhaust duct 18.

  The hot air unit 11 is attached to the rear part of the heating chamber 28. The hot air unit 11 is provided with a hot air case 11a on the rear side outside the heating chamber inner wall surface 28b, and a hot air fan is provided between the heating chamber inner wall surface 28b and the hot air case 11a. 32 and hot air heaters 14a and 14b are provided so as to be located on the outer peripheral side thereof, the hot air motor 13 is attached to the rear side of the hot air case 11a, and the motor shaft is connected to the hot air fan 32 through a hole provided in the hot air case 11a. ing.

  And the hot air unit 11 is connected through the hot air intake hole 31 and the hot air blowing hole 30 which are air passages provided in the heating chamber inner wall surface 28b, and the hot air fan 32 in the hot air case 11a is rotated by the hot air motor 13, The air between the heating chamber 28 and the hot air unit 11 is circulated, and the air circulated by the hot air heaters 14a and 14b is heated.

  Further, instead of the hot air unit 11, heaters may be provided on the upper and lower surfaces of the heating chamber 28 to heat the heating chamber 28.

  A grill heating means 12 made of a heater is attached to the outside of the heating chamber upper surface 28e. The grill heating means 12 wraps a heater wire around a mica plate to form a flat surface, presses and fixes the mica plate to the outside of the heating chamber upper surface 28e, heats the heating chamber upper surface 28e, and radiates heat to the cooking object in the heating chamber 28. It is something to bake.

  The heating chamber bottom surface 28a is provided with a plurality of weight detecting means 25, for example, a right weight sensor 25a, a left weight sensor 25b on the front left and right, and a back weight sensor 25c on the rear center, on which the table plate 24 is provided. Is placed.

  The table plate 24 is for placing food, has heat resistance so that it can be used for both heater heating and microwave heating, has good microwave permeability, and has no problem in terms of hygiene. It is molded with materials such as porcelain.

  Above the rear of the heating chamber 28, temperature detection means a85 for detecting the temperature in the heating chamber 28 is provided. The temperature detection means a85 is provided at a position that is not directly affected by the hot air blown into the heating chamber 28 from the hot air blowing hole 30 of the grill heating means 12 and the hot air unit 11.

  The steam unit 43 a (FIG. 10) includes a water vapor generating means 43 and a pump means 87.

  The water vapor generating means 43 is attached to the outer side surface of the left side surface 28c of the heating chamber, and the steam outlet 44 from which water vapor is ejected faces the heating chamber 28.

  Further, the water vapor generating means 43 is made by casting aluminum, and a sheathed heater as a boiler heating means 89 (FIG. 10) is embedded so as to be integrated at the time of casting. The power consumption of the heater is as large as around 600 W, and the steam generating means 43 can heat the water to a temperature at which it can be boiled in a short time.

  The water supply to the water vapor generating means 43 is supplied from the water tank 42 to the pump means 87 through the pipe 45 by driving the pump means 87, supplied to the water vapor generating means 43 through the pipe 40, and the water vapor generating means 43. Is heated and boiled, and becomes steam, and is ejected from the steam ejection port 44 to the heating chamber 28.

  The temperature detection means b88 detects the temperature of the water vapor generation means 43, transmits the detection result to the control means 151 (FIG. 10) described later, and controls the boiler heating means 89 and the pump means 87.

  The pump means 87 pumps the water in the water tank 42 to the water vapor generating means 43, and is composed of a pump and a motor that drives the pump. The adjustment of the amount of water supplied to the water vapor generating means 43 is determined by the ON / OFF ratio of the power supplied to the motor.

  The heating chamber 28 in the present embodiment will be described with reference to FIGS. An irradiation unit 28t that illuminates the interior of the heating chamber on the right side 28d or the left side 28c of the heating chamber is provided. FIGS. 5 to 8 are diagrams showing the heating section right side 28d and FIG. 9 showing the heating section left side 28c with an irradiation section 28t. Hereinafter, an example in which the irradiation unit 28t is provided on the right side surface 28d of the heating chamber will be described.

  The irradiation unit 28t includes an irradiation unit upper 28g and an irradiation unit lower 28h. The irradiation unit 28t has an opening on the right side surface 28d of the heating chamber. The irradiation unit upper part 28g is provided above the shelf upper stage 27a, and the irradiation part lower part 28h is provided between the shelf middle stage 27b and the shelf lower stage 27c. This is because when a dish is placed on the middle shelf 27b for cooking, light is irradiated below the middle shelf 27b.

  The LED illumination unit 400 is provided outside the irradiation unit 28t. The LED illumination unit 400 includes an LED illumination unit upper 401 and an LED illumination unit lower 402. A white LED or a daylight color LED is mounted on a substrate in the LED illumination unit 400 and is fixed to the heating chamber 28 by a substrate holding member. The LED illumination unit 400 emits light, and the inside of the heating chamber 28 is irradiated with light from the irradiation unit 28t so that the inside of the heating chamber 28 is brightly illuminated.

  The heating chamber upper surface 28e and the heating chamber inner wall surface 28b, which are heated by the grill heating means 12 and the hot air unit 11, are painted in black or gray. On the other hand, the heating chamber right side surface 28d, the heating chamber left side surface 28c, and the heating chamber bottom surface 28a irradiated with light from the LED illumination unit 400 provided outside the irradiation unit 28t of the heating chamber right side surface 28d or the heating chamber left side surface 28c are: It is painted in a light color like white or ivory. Therefore, the brightness of the heating chamber right side surface 28d, the heating chamber left side surface 28c, and the heating chamber bottom surface 28a of the heating chamber 28 is painted in a lighter color than the brightness of the heating chamber upper surface 28e and the heating chamber back wall surface 28b. In addition, although the example of white or ivory is shown here for the heating chamber right side surface 28d and the like, beige, gray, or silver may be used instead of white or ivory. Further, a color scheme having higher saturation than the heating chamber upper surface 28e such as the heating chamber right side surface 28d may be used.

  The ivory is light yellowish and slightly gray white, and the inside of the heating chamber 28 reflects light from the white LED or the daylight color LED of the LED illumination unit 400 and diffuses and appears bright. Further, oil stains scattered on the wall surface of the heating chamber 28 are made inconspicuous. The interior of the heating chamber 28 is colored with two colors: the heating chamber right side surface 28d, the heating chamber left side surface 28c, and the heating chamber bottom surface 28a, and the heating chamber top surface 28e and the heating chamber back wall surface 28b.

  FIG. 10 is a block diagram showing the control means of the heating cooker. Next, operation | movement of the system of a heating cooker is demonstrated using FIG. The power source 76 is for operating the main body 1 of the cooking device. The hot-air unit 11 includes a hot-air motor 13 on the rear side of the hot-air case 11a provided outside the heating chamber inner wall surface 28b including the hot-air intake holes 31 and the hot-air blowing holes 30, and a hot-air fan 32 is attached to the motor shaft through the holes of the hot-air case 11a. The hot air heaters 14 a and 14 b are provided on the outer peripheral side of the hot air fan 32, and the hot air is circulated and supplied to the heating chamber 28.

  The range heating means 77 is an inverter board 22 on which an inverter circuit that creates a power source for driving the magnetron 33 and the magnetron 33 is mounted. The inverter circuit creates a power supply corresponding to the heating power input from the input means 71 and supplies it to the magnetron 33.

  The grill heating means 12 is composed of a heater provided on the back side of the top surface of the heating chamber 28, and heats the heating chamber upper surface 28 e of the heating chamber 28 to bake the cooking object 130 in the heating chamber 28 by radiant heat. .

  The cooling means 50 is a fan device 15 in which a fan is connected to a cooling motor attached to the bottom plate 21, and the cooling air 39 blown by the cooling means 50 is a magnetron 33 that generates heat in the machine room 20 or an inverter board. 22. Cool the weight detection means 25 and the like.

  The rotating antenna driving means 46 is a motor for driving the rotating antenna 26, and a synchronous motor and a gear for reducing the rotational speed are integrated.

  The weight detection means 25 measures the weight of the food to be cooked placed on the table plate 24.

  The temperature detection means a85 is attached to the heating chamber 28, detects the temperature in the heating chamber 28, and adjusts the power of the heater of the grill heating means 12 by the control means 151.

  The steam unit 43 a is composed of water vapor generating means 43 and pump means 87.

  The water vapor generating means 43 comprises a boiler heating means 89 comprising a heater for heating water, and a temperature detecting means b 88 for detecting the temperature of the water vapor generating means 43, and the control means 151 is configured to heat the boiler from the detection result of the temperature detecting means b 88. The means 89 and the pump means 87 are controlled.

  Reference numeral 71 denotes an input means, which shows the operation unit 6 and the display unit 5 here.

  Reference numeral 151 denotes a control unit which is mounted on the control board 23 and operates to cook food according to the contents input from the input unit 71. The state of the food and the state of the heating chamber are detected from each detection unit. Then, each heating means and driving means are operated as necessary.

  The LED illumination unit 400 is controlled by the control unit 151 to emit light during cooking and illuminate the inside of the heating chamber 28 brightly.

  According to the present embodiment described above, the light emitted from the white or daylight LED lighting unit 400 is reflected or diffused on the side or bottom of the heating chamber, which has high brightness or saturation, and illuminates the inside of the heating chamber 28 brightly. It is possible to make it easier to see the ingredients and dishes placed in the heating chamber 28. Moreover, since the brightness or saturation of the upper surface and the inner surface that are high in temperature is low, it is possible to suppress the attached dirt from being noticeable.

  Next, the heating cooker of Example 2 is demonstrated. Only points different from the first embodiment are shown, and common points are omitted.

  By coating the wall surface of the heating chamber, which is not provided with heating means such as the hot air heater 14 and the grill heating means 12, with white or ivory color, the inside of the heating chamber 28 reflects light from the white LED of the LED illumination unit 400. It diffuses and looks bright.

As described above, according to this embodiment, the inside of the heating chamber 28 looks bright and the dirt in the heating chamber 28 can be made inconspicuous.

11 Hot air unit,
28 Heating chamber 28a Heating chamber bottom surface 28b Heating chamber back wall surface 28c Heating chamber left side surface 28d Heating chamber right side surface 28e Heating chamber top surface 28t Irradiation unit 12 Grill heating means 400 LED illumination unit

Claims (4)

An approximately rectangular parallelepiped heating chamber with a door on the front;
Grill heating means provided outside the upper surface of the heating chamber;
A hot air unit provided outside the inner surface of the heating chamber;
A heating cooker provided with illumination provided on the right or left side of the heating chamber,
A heating cooker characterized in that the lightness or saturation of the right surface, left surface, and bottom surface of the heating chamber is higher than the lightness or saturation of the top surface or the back surface. An approximately rectangular parallelepiped heating chamber with a door on the front;
Grill heating means provided outside the upper surface of the heating chamber;
A heating cooker provided with illumination provided on the right or left side of the heating chamber,
A heating cooker characterized in that the lightness or saturation of the right, left, bottom and back surfaces of the heating chamber is higher than the lightness or saturation of the top surface. The heating cooker according to claim 1 or 2,
The heating cooker characterized in that the right side, the left side, and the bottom side of the heating chamber are white, beige, ivory, gray, or silver. The heating cooker according to any one of claims 1 to 3,
The heating cooker characterized in that the illumination is white or daylight LED illumination.