JP2009052817A - Cooking apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooking apparatus hardly causing damage to an infrared ray generating means even when taking in and out a heat reception object during cooking, and obscuring smudge adhered to the infrared ray generating means. <P>SOLUTION: The cooking apparatus has a heating chamber 11 provided with a front face opening, recessed parts 25a, 25b formed on a ceiling face of the heating chamber 11, and a tube heater 21 housed in the recessed parts 25a, 25b. The tube heater 21 is provided adjacent to the front face opening side inner walls 25af, 25bf of the recessed parts 25a, 25b, tube heater 21 lower end parts are positioned in recessed part 25a, 25b outer sides above a rim part of a heating chamber 11 front face opening side, and it is arranged so that the tube heater 21 is hidden from a user from the front face opening side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cooking device that cooks an object to be heated using a tube heater.

  Conventionally, the steam generated by the steam generating means of the cooking device is supplied into the heating chamber, the infrared generating means is provided in the heating chamber, and the food that is the object to be heated using the infrared rays generated by the infrared generating means. There is known a cooking device that cooks food (see, for example, Patent Document 1).

  In this type of cooking device, the steam supplied to the heating chamber is cooked in an overheated state by infrared generation means, and the heat transfer area is reduced by using infrared rays of a predetermined range of wavelengths, The superheater is downsized and the low pressure loss is reduced.

Moreover, it is desired that the infrared rays from the infrared ray generating means are efficiently irradiated to the object to be heated.
Japanese Patent No. 2897645

  However, in the heating and cooking apparatus described in Patent Document 1 described above, the object to be heated is heated using water vapor that has been overheated by infrared generation means that is exposed in the heating chamber, and cooking is performed. Therefore, when putting an object to be heated in the heating chamber or taking the object to be heated out of the heating chamber after heating, the object to be heated comes into contact with the infrared ray generating means attached to the ceiling surface of the heating chamber and damages the infrared ray generating means. There was a problem of fear.

  In addition, dirt during cooking tends to adhere to the infrared generating means in the heating chamber, and when the user looks in the heating chamber from the front opening of the heating chamber when putting in and out the object to be heated, it adheres to the infrared generating means. There was a problem that the black-colored stains were conspicuous, the appearance was very poor, and an unsanitary impression could be given.

  The present invention has been made to solve the conventional problems, and is a cooking device that hardly damages the infrared ray generating means even when an object to be heated is taken in and out during cooking, and the dirt attached to the infrared ray generating means is not noticeable. The purpose is to provide.

  The cooking device according to the present invention includes a heating chamber provided with a front opening, a recess formed in the ceiling surface of the heating chamber, and a tube heater housed in the recess, and the tube heater is located on the front side of the recess. Provided adjacent to the inner wall, the lower end of the tube heater is located outside the recess and above the edge of the front opening side of the heating chamber, and the tube heater is blinded to the user from the front opening side. It is arranged so that.

  As a result, when the heated object is taken in and out during cooking, the tube heater, which is an infrared ray generating means, functions as a guard bar at the front inner wall of the recess and the edge on the front side of the heating chamber, and the tube heater does not directly hit the tube heater. Thus, the tube heater is not easily damaged, and the tube heater is not visible to the user during cooking, so that the dirt attached to the tube heater is not noticeable.

  The present invention makes it difficult for the infrared ray generating means to be damaged even when an object to be heated is taken in and out during cooking, and stains attached to the infrared ray generating means can be made inconspicuous.

  1st invention has the heating chamber which provided the front opening, the recessed part formed in the said heating chamber ceiling surface, and the pipe | heater heater accommodated in the said recessed part, The said pipe heater is on the front side inner wall of the said recessed part. The pipe heater lower end is located outside the recess and above the edge on the front opening side of the heating chamber so that the pipe heater is hidden from the front opening side to the user. By providing, the tube heater which is an infrared ray generation means is not easily damaged even when an object to be heated is taken in and out during cooking, and the dirt attached to the tube heater can be made inconspicuous.

  According to a second aspect of the present invention, in the first aspect, the inner wall of the recess on the front opening side of the heating chamber hangs substantially vertically, so that it is difficult to damage the Miraclone heater when the heated object is taken in and out during cooking. It is possible to make the dirt adhering to the Miraclone heater, which is easily noticeable, less noticeable.

  According to a third aspect of the present invention, in the first or second aspect, the inner wall of the concave portion on the back side of the heating chamber is formed so as to be inclined downward so as to spread downward toward the top surface. In addition, it is possible to make the Argon heater and the Miraclone heater less likely to be damaged, and to make the dirt adhering to the Miraclone heater easy to be noticeable.

  According to a fourth invention, in the first or second invention, the Miraclone heater is disposed on the opening side of the recess, so that the Miraclone heater is not easily damaged when the heated object is taken in and out during cooking, and the dirt is stained. It is possible to make the dirt adhering to the MIRACRON heater inconspicuous.

  According to a fifth invention, in the first or second invention, the inner wall of the concave portion on the rear side of the heating chamber is formed so as to be inclined downward toward the top surface, and is adjacent to the inner wall surface on the opening side of the front side of the heating chamber. By attaching an Argon heater behind the Miraclone heater, it adheres to the Miraclone heater, which is less likely to damage the Argon heater and the Miraclone heater when the heated object is taken in and out during cooking. As a result, the infrared rays of the argon heater can be widely irradiated into the heating chamber.

  A sixth aspect of the present invention is the fifth aspect of the present invention, in which at least two or more recesses on the ceiling surface of the heating chamber are formed and at least the miraclon heater is disposed, so that the miraclon heater is less likely to be damaged and dirt is easily noticeable. Dirt attached to the heater can be made inconspicuous.

  According to a seventh invention, in the fourth or fifth invention, the miraclon heater is formed of a white tube, so that the dielectric constant is relatively low and the radio wave absorption is small, so that it can be applied to a microwave oven. At the same time, it is possible to dispose the dirt inconspicuously.

  According to an eighth invention, in the sixth invention, by providing a heater protection guard bar on the rear side of the Miraclon heater and before and after the argon heater, the inside of the object to be heated is heated by infrared rays from the argon heater, The infrared rays from the Ron heater can easily cook the surface of the heated object, and can make it difficult to hit the guard bar when the heated object is taken in and out during cooking.

  According to a ninth invention, in the first to eighth inventions, the inner wall of the recess constitutes a reflector, so that the energy of the tube heater can be efficiently applied to the object to be heated.

  A tenth aspect of the present invention is that, in the eighth or ninth aspect, the guard bar and the reflecting plate are made dark, thereby making the dirt adhering to the guard bar and the reflecting plate inconspicuous and increasing the radiant energy to be heated. You can easily burn things.

  According to an eleventh aspect, in the eighth to tenth aspects, by positioning the lower end of the guard bar above the ceiling surface, the heated object can be made less likely to hit the guard bar when the heated object is taken in and out during cooking.

  In a twelfth aspect based on the first to eleventh aspects, a steam generating means for supplying steam into the heating chamber, a high frequency generating section for generating a high frequency, a heating chamber being vertically divided and an object to be heated are placed. The surface of the object to be heated is crisp and the contents are succulent while the surface of the object to be heated is prevented from being excessively burned by providing a wave dish and a radio wave absorption heating element on the bottom of the corner dish. It can be performed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the present embodiment.

(Embodiment 1)
FIG. 1 is a cross-sectional view of the cooking device according to the first embodiment of the present invention cut to the left and right, FIG. 2 is a cross-sectional view of the top plate, and FIG. 3 absorbs water vapor with respect to the wavelength of light. FIG. 4 is a cross-sectional view of the cooking device cut back and forth, FIGS. 5A and 5D are perspective views of the main part of the heating chamber ceiling surface portion of the cooking device as viewed from above, and FIG. 5 (b) and 5 (c) are perspective views of the main part when the heating chamber ceiling surface part is viewed from below, FIG. 6 is a side view of the argon heater, FIG. 7 is a perspective view showing an end of the argon heater, and FIG. FIG. 9A is a front view showing the support member, FIG. 9B is a plan view of the support member, FIG. 9 is a sectional view showing a state in which the heating chamber is partitioned vertically by a square plate, and FIG. 10 is a perspective view of the square plate.

  As shown in FIG. 1 and FIG. 2, the cooking device 10 according to the embodiment of the present invention includes a heating chamber 11, steam generating means 50 that generates steam in the heating chamber 11, and infrared rays that easily transmit steam. And infrared generation means 20 for generating the infrared rays.

  In the present embodiment, the steam generation means 50 is provided in the heating chamber 11, but steam generated outside the heating chamber 11 may be supplied into the heating chamber 11.

  This cooking device 10 is a microwave oven using a method of rotating two antennas, and a high frequency generating means 40 that supplies a high frequency from the lower side of the bottom surface 11a of the heating chamber 11 in which the food item 12 to be heated is placed. This is an example in which a magnetron 41 which is a high-frequency generating means 40 is provided on the right side. A waveguide 42 that guides the high frequency generated from the magnetron 41 into the heating chamber 11 and a rotating antenna 43 that generates radio waves to the heating chamber 11 are provided.

  In addition, as shown in FIG. 4, a communication passage 14, a circulation fan 15, and a heater 16 are provided behind the partition plate 11 c at the back of the heating chamber 11, and air in the heating chamber 11 is removed by the circulation fan 15. The air is sucked and heated by the heater 16, and the air heated from the discharge hole provided in the partition plate 11 c can be sent into the heating chamber 11.

As shown in FIG. 4, the heating chamber 11 is provided with a plurality of (three in this case) tube heaters 21 for generating infrared rays as the infrared ray generating means 20, and each of the tube heaters 21 and the magnetron. 41 is controlled by the control means 13, and the tube heater 21 radiates infrared light having a wavelength that is difficult to be absorbed by water vapor, transmits water vapor existing in the heating chamber 11, and hits the food 12 for cooking.

  As shown in FIG. 3, the wavelength of infrared rays generated by the tube heater 21 that generates a plurality of wavelengths is 1.5 μm or more and less than 1.7 μm, or 2.0 μm or more and 2. The control means 13 controls each tube heater 21 so that any one wavelength of less than 3 μm or 3.4 μm or more and less than 4.5 μm is generated as a peak.

  As a result, the wavelength of the region where the water vapor absorption rate is low is from 1.5 μm to less than 1.7 μm, from 2.0 μm to less than 2.3 μm, or from 3.4 μm to less than 4.5 μm. Infrared rays having a peak at one wavelength are radiated into the heating chamber 11, and the infrared rays are transmitted through the infrared ray without being absorbed by the water vapor to radiately heat the food 12 that is to be heated.

  As a result, the food 12 placed in the heating chamber 14 can be directly and uniformly heated more quickly. Further, when infrared rays are directly radiated to the surface of the food 12, the surface of the food 12 is crisp and the burnt eyes can be quickly applied. Furthermore, since the steam circulates and is supplied one after another, the steam density in the area in contact with the food 12 does not become zero, and the surface of the food 12 can be prevented from being excessively burnt. Moreover, since the surface is given appropriate humidity, the surface of the food 12 is wrapped with steam, moisture inside the food 12 becomes difficult to escape, the surface is crisp, and the contents are cooked juicy. Will be able to.

  As shown in FIG. 4, the tube heater 21 provided in the left-right direction on the ceiling surface 11b of the heating chamber 11 is provided with an argon heater 21a in the center of the ceiling surface 11b, and Miraclon on both the front and rear sides of the argon heater 21a. A heater 21b is provided to generate infrared light having a desired wavelength as described above.

  The argon heater 21a has a core wire of tungsten wire, and the transparent tube member 22 is filled with argon gas. The argon heater 21a has a feature that the start-up of the operation is quicker than that of the miraclon heater 21b.

  The miraclon heater 21b has been used conventionally, but has a longer wavelength than the argon heater 21a, rises more quickly than a mica heater or the like, and is suitable for imparting a burnt color to the surface of the food 12. In addition, the cost is low.

  Here, when the miraclon heater 21b is mounted in a microwave oven, the miraclon heater 21b absorbs microwaves and generates heat, which may melt the glass material being used. It is desirable to employ a white tube MIRACRON heater 21b that hardly absorbs waves.

  The argon heater 21a and the miraclon heater 21b are collectively referred to as a tube heater 21.

  As shown in FIGS. 5A to 5D, the ceiling surface 11b of the heating chamber 11 is formed with two recesses 25a and 25b in the front-rear direction, and in the recess 25a on the front opening side. Argon heater 21a and miraclon heater 21b are accommodated. A miraclon heater 21 b is accommodated in the back side recess 25 b of the heating chamber 11.

  The inner wall 25af of the recess 25a on the front opening side of the heating chamber 11 is formed to hang substantially vertically. Further, the inner wall 25bf of the recess 25b on the front opening side of the heating chamber 11 is also formed to hang substantially vertically.

  The miraclon heater 21b is provided adjacent to the front inner walls 25af and 25bf of the heating chamber 11. And the lower end part of the miraclon heater 21b is the ceiling surface 11b in the heating chamber 11 outside the recesses 25a and 25b so that the user can hardly see the miraclon heater 21b from the front opening side, and the heating chamber 11 front opening side. The Miraclone heater 21b is disposed from the front opening side so as to be hidden from the user.

  This point is shown, for example, in FIG. That is, the Miraclone heater 21b is blindfolded and cannot be confirmed even when the ceiling surface 11b of the heating chamber 11 is looked up obliquely from the user's normal use position on both the front opening side and the back side. As shown in FIG. 5 (c), the user can see the Miraclone heater 21b for the first time by bringing his face closer to the heating chamber 11 side.

  The distance between the miraclon heater 21b and the inner walls 25af and 25bf on the front side of the heating chamber 11 may be set such that, for example, a mug is inserted and does not contact the miraclon heater 21b.

  Further, the argon heater 21a and the miraclon heater 21b housed in the recess 25a are arranged with a communication space 25as therebetween. And both inner wall 25ar, 25br of the back surface of the heating chamber 11 of recessed part 25a, 25b is inclined so that it may spread below toward the ceiling surface 11b.

  As a result, a blindfold 11d is formed on the edge of the heating chamber 11 front opening side, which is the ceiling surface 11b inside the heating chamber 11 outside the recesses 25a and 25b so that the user can hardly see the Miraclone heater 21b from the front opening side. The lower end of the Miraclone heater 21b is located outside the recesses 25a and 25b and above the edge on the front opening side of the heating chamber 11, so that the Miraclone heater 21b is hidden from the front opening side to the user. Therefore, when the heated object is taken in and out during cooking, the argon heater 21a and the miraclon heater 21b are not easily damaged, and the dirt attached to the miraclon heater 21b is easily noticeable. Can do.

  A substantially U-shaped heater protection guard bar 26 as viewed from the front is provided on the rear side of the Miraclone heater 21b and on the front and rear sides of the argon heater 21a. The lower end of the guard bar 26 is positioned above the ceiling surface 11b, and makes it difficult for the heated object to hit the guard bar when the heated object is taken in and out during cooking.

  Further, it is desirable that the guard bar 26 is inclined in the left-right direction (the direction orthogonal to the paper surface in FIG. 4) to guide water droplets condensed on the guard bar 26 to a predetermined position. For example, by raising one end of the left and right end portions of the guard bar 26 and lowering the other end, water droplets can be guided to one end portion side. Or you may make it guide a water droplet to the right-and-left both ends by raising the center part between the branches of the guard bar 26 and lowering both left-right ends. Alternatively, a protrusion projecting downward may be provided on the lower surface of the guard bar 26, and water droplets may be dropped along the protrusion.

  In addition, it is desirable to seal the inner walls of the recesses 25a and 25b and the portion where the tube heater 21 is attached to the heating chamber 11 with an insulator such as a mica plate to prevent vapor leakage. In addition, since the pipe heater 21 and the guard bar 26 are provided and it is difficult to clean the inner walls of the recesses 25a and 25b, at least a self-cleaning paint should be applied to the lower surface of the inner walls of the recesses 25a and 25b. desirable. Similarly, by applying the guard bar 26 in a dark color, for example, black, the dirt attached to the guard bar 26 is made inconspicuous, and the radiant energy is increased so that the object to be heated can be easily burnt.

  At this time, black is desirable. This is because the reflectance in the far-infrared region of 3 μm or more than the near-infrared can be lowered. For example, when ceramic such as alumina or zirconia is mixed with paint, it reflects a lot of near infrared rays with low water vapor absorption, makes it easy for food 12 to absorb radiant energy, and makes it easy to burn the object to be heated. It is. Moreover, you may add a black pigment so that stain | pollution | contamination etc. may become inconspicuous.

  As shown in FIGS. 6 and 7, the tube heater 21 includes a cylindrical tube member 22 made of quartz glass and a coil-shaped heat generating member 23 accommodated in the tube member 22. The heat generating member 23 is supported by a support member 24 that contacts the inner surface of the tube member 22. As a result, the heat generating member 23 is not in direct contact with the tube member 22, and the tube member 22 is prevented from being heated excessively, thereby preventing devitrification of the tube member 22 and improving the heating efficiency. The decline is prevented. Note that the surface of the tube member 22 may be coated to prevent devitrification.

  The pipe member 22 is attached with insulators 22a with the cross-sections of both ends thereof being narrowed. The tube member 22 is provided with a gas injection port 22b for enclosing an inert gas (argon gas) therein, and is sealed after the gas injection. Since the gas inlet 22b eventually protrudes, it is desirable to attach the tube heater 21 so that the gas inlet 22b faces back. Thereby, appearance can be improved.

  The heat generating member 23 has a spiral portion 23a wound in a coil shape and a linear portion 23b provided between the spiral portions 23a. The above-described support member 24 is desirably provided on the straight portion 23b. Thereby, since the support member 24 does not inhibit the heat generation of the spiral portion 23a, it can be supported without lowering the heat generation efficiency. In addition, it is desirable that the heat generating member 23 is appropriately provided with a play portion 23c so as to absorb the expansion and contraction of the heat generating member 23 due to heat.

  As shown in FIG. 8, the support member 24 has an endless shape that continues along the direction intersecting the axis of the tube member 22. That is, the support member 24 includes a leg portion 24a that holds the heat generating member 23 and supports it in the radial direction, and a peripheral portion 24b that contacts the inner surface of the tube member 22, and the peripheral portion 24b is endless by at least one turn. It has a shape. At this time, if the outer diameter of the peripheral portion 24b is formed to be slightly larger than the inner diameter of the tube member 22, and the peripheral portion 24b is released after being compressed and inserted into the tube member 22, the peripheral portion 24b. Is deformed in the direction of expanding the diameter, the support member 24 is firmly held by the tube member 22. The peripheral portion 24b is provided in a direction that intersects (here, intersects at right angles) the heat generating member 23 provided along the axis of the tube member 22. Thereby, the heat generating member 23 can be reliably supported. Further, since the support member 24 has an endless shape by welding or the like, the occurrence of sparks can be suppressed.

  As shown in FIG. 9, a locking portion 17 (see FIG. 2) provided on the standing walls 11 d and 11 d facing each other in the heating chamber 11, and the heating chamber 11 is vertically partitioned by being supported by the locking portion 17. In addition, a square dish 30 on which the food 12 can be placed is provided.

  As shown in FIG. 10, resin handles 33 are provided on the left and right sides of the overall rectangular plate-shaped square dish 30, and can be taken in and out along the locking portion 17 of the heating chamber 11. In addition, a communication hole 31 that communicates the heating chamber 11 up and down is provided in the peripheral portion of the square dish 30. As a result, steam is generated below the heating chamber 11 partitioned by the square dish 30, and the generated steam is guided upward from the communication hole 31 provided in the peripheral portion of the square dish 30 and placed on the square dish 30. The placed food 12 is cooked by heating. At this time, the water vapor rising from the communication hole 31 on the periphery of the square plate 30 is guided by the recesses 25a and 25b provided on the ceiling surface 11b of the heating chamber 11 as shown by an arrow A in FIG. Since it circulates, the foodstuff 12 can be heated uniformly.

  Further, it is desirable to provide a radio wave absorption heating element 32 such as ferrite rubber which absorbs the high frequency generated by the high frequency generating means 40 and generates heat on the bottom surface of the square plate 30. Thereby, the foodstuff 12 mounted on the square plate 30 will be heated from the lower side, and the foodstuff 12 can be cooked from both upper and lower sides. In addition, by making unpainted the lower surface of the square plate 30 which contact | connects the electromagnetic wave absorption heat generating body 32, heat conductivity can improve and cooking time can be shortened.

  In the present embodiment, two recesses 25a and 25b are provided. However, three or more recesses may be formed, and at least a miraclon heater 21b may be provided in each recess.

(Embodiment 2)
Next, with reference to FIG. 11, 2nd Embodiment of the heat cooking apparatus concerning this invention is described. In addition, the same code | symbol is attached | subjected to the site | part which is common in 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.

  A recess 25c is formed in the ceiling surface 11b of the heating chamber 11, and an argon heater 21a and two miraclon heaters 21b are accommodated in the recess 25c. The front opening side miraclon heater 21b is provided adjacent to the inner wall 25cf on the front opening side of the heating chamber 11, and outside the recess 25c so that the user can hardly see the front side opening side miraclon heater 21b from the front opening side. A blindfold 11d is formed on the ceiling surface 11b of the heating chamber 11 at the edge of the heating chamber 11 on the front opening side, and is blindfolded.

  Communication space portions 25cs are provided between the front opening side miraclon heater 21b and the argon heater 21a and between the argon heater 21a and the back side miraclon heater 21b, respectively. Further, the argon heater 21a and the miraclon heater 21b housed in the recess 25c are arranged with a communication space 25cs therebetween. The inner wall 25cr on the back side of the recess 25c is inclined so as to spread downward toward the ceiling surface 11b of the heating chamber 11.

  The substantially U-shaped heater protection guard bars 26 when viewed from the front are provided on the rear side of the Miraclone heater 21b on the front opening side, on the front and back of the argon heater 21a, and on the back and front of the Miraclone heater 21b on the back side. It is desirable to apply at least a black self-cleaning paint to the lower surface, which is the side surface of the heating chamber 11, of the inner walls of the recesses 25a and 25b. Similarly, the guard bar 26 and the back side miraclon heater 21b are painted dark, for example, black, so that the dirt adhering to the guard bar 26 and the back side miraclon heater 21b is made inconspicuous, and radiation energy is increased. It is easy to burn the heated object.

  This makes it difficult to damage the argon heater 21a and the miraclon heater 21b even when the heated object is taken in and out during cooking, and the dirt attached to the miraclon heater 21b where the dirt is conspicuous can be made inconspicuous.

(Embodiment 3)
Next, with reference to FIG. 12, 3rd Embodiment of the heat cooking apparatus concerning this invention is described. In addition, the same code | symbol is attached | subjected to the site | part which is common in 1st and 2nd embodiment mentioned above, and the overlapping description is abbreviate | omitted.

  A recess 25d is formed in the ceiling surface 11b of the heating chamber 11, and an argon heater 21a and two miraclon heaters 21b are accommodated in the recess 25d. The recess 25c is inclined so that the front inner wall 25df extends downward toward the front opening toward the ceiling surface 11b, and the rear inner wall 25dr extends downward toward the ceiling surface 11b.

  The two Miraclone heaters 21b are blackened with a self-cleaning paint, so that the user can hardly see the front and rear Miraclone heaters 21b from the front opening side.

  Communication space portions 25cs are provided between the front opening side miraclon heater 21b and the argon heater 21a and between the argon heater 21a and the back side miraclon heater 21b, respectively. Further, the argon heater 21a and the miraclon heater 21b housed in the recess 25c are arranged with a communication space 25cs therebetween.

  The substantially U-shaped heater protection guard bars 26 as viewed from the front are provided before and after the Miraclone heater 21b on the front opening side, before and after the argon heater 21a, and before and after the Miraclone heater 21b on the back side.

  This makes it difficult to damage the argon heater 21a and the miraclon heater 21b even when the object to be heated is taken in and out during cooking, and the dirt attached to the miraclon heater 21b where the dirt is conspicuous can be made inconspicuous.

  In addition, the heat cooking apparatus of this invention is not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

  For example, in each of the embodiments described above, the three tube heaters 21 are provided as the infrared ray generating means 20, but the number of tube heaters 21 is not limited to this.

  As described above, the heating cooking apparatus according to the present invention has the effect that the infrared ray generating means is not easily damaged even when the object to be heated is taken in and out during cooking, and the dirt attached to the infrared ray generating means can be made inconspicuous. And is useful as a cooking device such as a microwave oven, oven, grill, etc., for cooking an object to be heated using a tube heater.

Sectional drawing which cut | disconnected the heat cooking apparatus concerning 1st Embodiment of this invention right and left Sectional view of the top plate of the heating chamber cut Graph showing the ratio of water vapor absorption energy to light wavelength Sectional view of the cooking device cut back and forth Perspective view of main part of cooking device Argon heater side view Perspective view showing end of argon heater (A) is a front view showing a support member (b) is a plan view of the support member Sectional drawing which shows the state which divided the heating chamber up and down with the square plate Perspective view of a square plate Sectional drawing which cut | disconnected the heat cooking apparatus concerning 2nd Embodiment of this invention right and left Sectional drawing which cut | disconnected the heat cooking apparatus concerning 3rd Embodiment of this invention right and left

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Cooking apparatus 11 Heating chamber 11b Ceiling surface 11d Standing wall 11e Blindfold 12 Food (object to be heated)
17 Locking portion 20 Infrared ray generating means 21 Tube heater 21a Argon heater 21b Miraclone heater 25a, 25b, 25c, 25d Recessed portion 25af, 25bf, 25cf, 25df Front side inner wall 25as, 25bs, 25cs, 25ds Communication space 25ar, 25br, 25cr , 25dr Rear side wall 26 Guard bar 30 Square plate 31 Communication hole 32 Radio wave absorbing heating element 40 High frequency generator 50 Steam generating means

Claims (12)

A heating chamber provided with a front opening; a recess formed in the ceiling surface of the heating chamber; and a tube heater housed in the recess,
The tube heater is provided adjacent to the front inner wall of the recess, and the tube heater lower end is located outside the recess and above the edge of the heating chamber front opening side. A cooking device in which the heater is arranged to be hidden from the user. The heating cooking apparatus according to claim 1, wherein the inner wall of the recess on the front opening side of the heating chamber is suspended substantially vertically. The heating cooking apparatus according to claim 1 or 2, wherein the inner wall of the concave portion on the rear side of the heating chamber is formed so as to be inclined downward toward the top surface. The cooking apparatus according to claim 1 or 2, wherein a miraclon heater is disposed on the opening side of the recess. The inner wall of the recess on the rear side of the heating chamber is formed so as to be inclined downward toward the top surface, and a Miraclone heater is disposed adjacent to the inner wall surface on the opening side of the heating chamber, and an argon heater is disposed behind it. The cooking apparatus according to claim 1 or 2. The cooking device according to claim 5, wherein at least two or more recesses in the heating chamber ceiling surface are formed, and at least a miraclon heater is provided. The cooking device according to claim 4 or 5, wherein the miraclon heater is formed of a white tube. The cooking apparatus according to claim 6, wherein heater protection guard bars are provided on the rear side of the miraclon heater and before and after the argon heater. The cooking device according to any one of claims 1 to 8, wherein the inner wall of the recess constitutes a reflector. The cooking device according to claim 8 or 9, wherein the guard bar and the reflector are dark. The cooking device according to any one of claims 8 to 10, wherein a lower end of the guard bar is positioned above the ceiling surface. Steam generating means for supplying steam into the heating chamber, a high frequency generator for generating a high frequency, a square plate that divides the heating chamber into upper and lower parts and on which a heated object can be placed, and radio wave absorption heat generation on the bottom surface of the square plate The heating cooking apparatus of any one of Claim 1 to 11 which provided the body.