JP4973065B2 - Cooker - Google Patents

Description

  The present invention relates to an exhaust structure that efficiently exhausts hot air from a cooking device and does not increase the temperature of surrounding walls.

  Conventionally, in this type of heating cooker, an exhaust path is formed by the wall surface of the heating chamber having the exhaust port inside the chamber and the wall surface having the outer exhaust port, and the outer exhaust port provided on the outer wall surface is connected to the heating chamber. The interior exhaust port provided on the wall surface is divided into left and right or upper and lower portions that do not directly face each other, and is configured to face the outer exhaust port. (For example, refer to Patent Document 1).

17, FIG. 18 and FIG. 19 show a conventional cooking device described in Patent Document 1. As shown in FIG. As shown in the figure, a heating chamber 2 is provided inside the main body 1, and a door 3 that can be freely opened and closed is provided on the front surface of the heating chamber 2. An operation panel 4 is provided on the right side of the door 3, and the operation panel 4 includes a display unit 5 for displaying temperature and time and an operation key 6 set for cooking. A machine room 7 is provided behind the operation panel 4, and a cooling fan 8 for cooling the electrical components is further provided behind the operation panel 4. A rear wall surface 9 of the heating chamber is squeezed rearward, and an in-compartment exhaust port 10 having a small hole is provided at the upper left portion. Behind the rear wall surface 9 of the heating chamber is an outer shell 11 squeezed rearward so as to cover the entire rear wall surface 9 of the heating chamber. On the rear wall 9 of the outer shell, an outer exhaust port 12 for directly discharging the exhaust heat from the heating chamber 2 is provided. The outer shell exhaust port 12 provided on the rear wall surface 13 of the outer shell 11 is arranged separately on the left and right sides with respect to the internal exhaust port 10 on the rear wall surface 9 of the heating chamber on the opposite side, and the exhaust heat hits it oppositely. Thus, it is configured in a louver shape. The exhausts exhausted from the outer exhaust port collide with each other and the wind speed in the straight direction of the exhaust heat is moderated, so that the temperature of the wall in the vicinity of the outer exhaust port is not heated.
JP 2004-265818 A

  However, in the conventional configuration, since the outer exhaust ports provided on the outer wall surface face each other, the exhaust exhausted from the outer exhaust ports collide with each other, and the wind speed in the straight direction of the exhaust heat is moderated. When the heating cooker is installed in a closed state, the wall near the outer exhaust port becomes closer, or because of the blocked state, hot air is trapped in the closed space, and the wall of the wall is affected by the exhaust heat from the heating cooker. It had the subject that temperature became hot.

In order to solve the above-described conventional problems, a heating cooker according to the present invention includes a heating chamber that is provided inside a heating cooker body and accommodates an object to be heated, and heating means for cooking the object to be heated, Control means for controlling the heating means, a blower for cooling the electrical components in the machine room, a back plate for blocking heat on the back side of the heating chamber, exhaust heat in the heating chamber and hot air from the heating chamber. A back plate cover to be joined, an exhaust cover that guides exhaust heat from the back plate cover to an exhaust outlet, and an outer shell that is provided outside the heating cooker body and covers and protects the parts. Provided to cover the entire rear side of the heating chamber, provided the back plate cover so as to cover the exhaust surface of the back plate, the exhaust cover is on the upper side of the back plate cover, and the exhaust heat is directed to the front side with evacuated to rectify the said exhaust cover Without removing those where the structure Hazuseru the outer.

As a result, even when the cooking device is installed in a closed state, the exhaust heat exhausted from the rear side of the cooking device is not blown directly behind the back plate cover and exhaust cover, not behind the wall. Thus, it can be discharged to the upper front of the cooking device, and the temperature of the wall around the cooking device can be lowered. Moreover, the temperature of components in the main body of the heating cooker can be lowered by smoothly exhausting and effectively discharging the exhaust heat of the cooking device.
And by attaching so that the outline can be removed without removing the exhaust cover, it is possible to avoid the trouble of removing the exhaust cover when performing maintenance and inspection of the cooking device.

Since the present invention can exhaust hot air smoothly and efficiently even when installed in a closed state, and the temperature of the wall around the heating cooker can not be heated, it uses the energy of electricity, gas, and petroleum. It can be applied to uses such as a heating device that heats, and can be made so that it does not take time to remove the exhaust cover when maintaining and inspecting the cooking device .

A first aspect of the invention is a heating chamber that is provided inside a heating cooker body and houses a heated object, heating means for cooking the heated object, control means for controlling the heating means, and a machine room A blower that cools the electrical components of the heating chamber, a back plate that blocks the heat behind the heating chamber, a back plate cover that joins exhaust heat in the heating chamber and hot air from the heating chamber to guide the exhaust port, and An exhaust cover that exhausts exhaust from the back plate cover and an outer shell that is provided outside the heating cooker body and covers and protects the components, and covers the entire rear side of the heating chamber. The back cover is provided so as to cover the exhaust surface of the back plate, the exhaust cover is on the upper side of the back plate cover, the hot air is rectified and exhausted to the front , and the exhaust cover this also has a configuration that Hazuseru the shell without removing the Therefore, the flow of exhaust heat discharged from the rear side of the cooking device through the back plate cover is smoothly changed from the vertical direction to the forward flow after the cooking device without causing turbulent flow in the exhaust cover. Exhaust heat exhausted from the side can be exhausted to the front of the heating cooker in a flow that does not blow directly to the wall by the back plate cover and exhaust cover instead of behind the wall. The temperature of the wall at can be lowered.

  In the second invention, the upper surface of the exhaust cover is inclined in the front-rear direction, a plurality of rectifying plates are formed, and the angle of the rectifying plates is set to be obliquely upward on the front side, thereby being discharged from the rear side of the heating cooker. The exhaust heat is changed from upward to forward rather than rearward, and it can be smoothly guided and discharged effectively, and the exhaust heat exhausted from the exhaust cover exhaust can be properly dispersed, so it is not concentrated. Therefore, the temperature of the wall above the cooking device can be lowered. Moreover, the temperature of the components in the heating cooker can be lowered by smoothly inducing and discharging the exhaust heat of the heating cooker.

  3rd invention can suppress the exhaust heat of the back discharged | emitted from the discharge | emission part of an exhaust cover by narrowing the space | interval of the some baffle plate formed in the exhaust cover so that it went back, and a heating cooker The temperature of the surrounding wall can be lowered.

  According to a fourth aspect of the present invention, an exhaust heat discharged from the exhaust cover discharge portion is formed by forming a directing plate so that the exhaust heat discharged from the exhaust cover discharge portion is generated from a substantial center of the exhaust cover. It is possible to suppress the flow in the side direction, and the temperature of the walls on both sides of the cooking device can be lowered.

  According to a fifth aspect of the present invention, the upper corner of the discharge part of the exhaust cover is formed in a horizontally long, oval shape, so that the spatial distance between the exhaust cover and the lateral and upper walls can be secured. The temperature of the walls above and below can be lowered.

  According to the sixth aspect of the present invention, since the connection portion between the upper surface and the rear surface of the exhaust cover is formed in a substantially R shape, the exhaust heat flow in the exhaust cover can be prevented from being turbulent and discharged from the heating cooker. Since the exhaust heat can be smoothly guided and discharged from the back plate cover outlet to the exhaust cover outlet, the temperature of components in the heating cooker body can be lowered.

  According to the seventh aspect of the present invention, the exhaust heat discharged from the exhaust portion of the exhaust cover is provided with a rectifying plate that can be freely changed up and down, so that the exhaust heat discharged from the front surface is adjusted and discharged in an appropriate direction. it can.

  According to an eighth aspect of the present invention, when the shape of the discharge part of the exhaust cover is formed substantially symmetrically and the back plate has an intake port, the exhaust cover is discharged by closing a part of the exhaust port closer to the intake port. The space distance between the air inlet and the intake port can be increased, and the temperature of the exhaust heat that enters the intake port can be reduced.

According to the ninth aspect of the present invention, since the projection for taking the separation distance from the wall adjacent to the exhaust cover is formed, the separation distance from the wall behind the cooking can be ensured, and the cooking device The temperature of the rear wall can be lowered.

In the tenth aspect of the invention, the exhaust cover is made of resin, so that it is possible to easily cope with a complicated exhaust shape, and the exhaust heat exhausted from the exhaust portion of the exhaust cover can be appropriately dispersed. In addition, the external shape can be easily shaped to match the cooking device.

In an eleventh aspect of the present invention, a plurality of punching holes are provided on the right side when viewed from the front, and wide square holes are provided on the left side when viewed from the front. By appropriately adjusting the heat distribution, the exhaust heat from the discharge part of the exhaust cover can be adjusted to an appropriate distribution, and the temperature of the wall around the cooking device can be lowered.

The twelfth aspect of the present invention appropriately adjusts the distribution of the exhaust heat exhausted from the rear side of the cooking device by narrowing the opening area of the exhaust port formed on the upper surface of the back plate cover as it goes backward. The exhaust from the exhaust part of the exhaust cover can be adjusted to a required distribution.

In the thirteenth invention, the exhaust heat exhausted from the rear side of the cooking device can be appropriately adjusted by narrowing the opening area of the exhaust port formed on the upper surface of the back plate cover toward the end. Since the exhaust heat discharged from the discharge part of the exhaust guide can be appropriately dispersed, the temperature of the wall around the cooking device can be lowered.

According to a fourteenth aspect of the present invention, a plurality of pressure reducing ports are formed on the lower surface or on the left and right surfaces of the back plate cover, so that the exhaust heat blowing power discharged from the discharge portion of the exhaust cover can be weakened. The temperature of the wall around can be lowered.

In the fifteenth aspect of the invention, a plurality of louvered exhaust ports, or round and square exhaust ports are formed on the rear surface of the back plate, and the arrangement interval of the louvered exhaust ports or round and square exhaust ports is increased. When the back plate has an intake port, the amount of exhaust heat exhausted from the rear side of the heating cooker can be reduced by increasing the distance from the intake port. The temperature of parts can be lowered.

According to a sixteenth aspect of the present invention, after exhausting hot air discharged from the heating chamber into a substantially sealed space formed by the rear wall and the back plate of the heating chamber, the exhaust cover is exhausted from the back plate cover. It is possible to weaken the exhaust power of the exhaust heat discharged from the discharge section, and to suppress the temperature of the wall around the cooking device.

In the seventeenth aspect of the invention, a heat insulating material is inserted between the rear wall and the back plate of the heating chamber, so that heat radiation from the heating chamber can be suppressed, the heater energization time can be reduced, and the component temperature in the heating cooker body can be reduced. The temperature can be lowered and the heat from the heating chamber is not easily transmitted to the back plate, so it is possible to suppress the temperature rise of the exhaust heat by suppressing the heat radiation from the back plate.

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

(Embodiment 1)
FIG. 1 is a perspective view of the heating cooker according to the first embodiment of the present invention with the exterior thereof removed, FIG. 2 is a cross-sectional view of the heating cooker as viewed from the front side, and FIG. FIG. 4 is a perspective view of the appearance of the heating cooker with the back cover and the exhaust cover removed from the rear side, and FIG. 5 is the rear view of the heating cooker with the exhaust cover removed. FIG. 6 is an external perspective view of the heating cooker viewed from the rear side.

  1 to 6, a heating chamber 22 is provided inside the heating cooker body 21, and a door 23 that can be freely opened and closed is provided in front of the heating chamber 22, and an operation panel 24 is provided on the right side of the door 23. There is. On the front surface of the operation panel 24, a display unit 25 for displaying temperature, time, and the like, and operation keys 26 set for cooking are provided. A planar upper heater 27 is built in the upper surface of the heating chamber 22, and a tubular lower heater 28 is built in the lower surface. A magnetron 29 that generates a high frequency is coupled to the right side of the right side surface of the heating chamber 22, and is driven by an inverter 30 located above the magnetron 29.

  A cooling fan 31 is fixed behind the inverter 30 to a back plate 33 attached so as to cover the entire rear wall 32 of the heating chamber 22. An air guide 34 is provided in front of the magnetron 29 to guide the air that has cooled the magnetron 29 to the heating chamber 22. On the right side surface of the heating chamber 22, there is an interior air inlet 35 for introducing cooling air from the air guide 34, the rear wall surface 32 of the heating chamber 22 is squeezed rearward, and a small hole is arranged in the upper right part. An exhaust port 36 is provided. Behind the rear wall surface 32 of the heating chamber 22, there is provided a back plate 33 that covers the rear wall surface 32 of the heating chamber 22 and is attached so as to constitute a sealed space 37.

  On the intake side (left side as viewed from the rear side) of the back plate 33, an intake port 39 for taking in outside air formed by the punching holes 38 is provided, and the exhaust side (right side as viewed from the rear side) of the back plate 33 is provided. Exhaust ports 42a, 42b, 42c, 43 for discharging hot air in the main body 21 formed by the louvers 40a, 40b, 40c and the punching holes 41 are provided on the outside. An exhaust port 45 for exhausting exhaust heat in the heating chamber 22 formed by the louver 44 and hot air in the rear wall surface 32 of the heating chamber 22 is provided inside the back plate 33 on the exhaust side (right side as viewed from the rear side). It is. The back plate cover 46 is attached so as to cover the exhaust ports 42 b, 42 c, 43, 45 of the back plate 33, and an exhaust port formed by a punching hole 47 and a square hole 48 is formed above the back plate cover 46. 49 is provided.

  A pressure reducing port 50 for reducing the pressure in the back plate 46 is provided at the bottom of the back plate cover 46. The exhaust cover 51 is attached so as to cover the exhaust port 49 of the back plate cover 46 and the exhaust port 42 a of the back plate 33. From the vertical direction, the exhaust cover 51 changes the upward flow of the exhaust heat exhausted from the exhaust port 49 of the back plate cover 46 and the exhaust port 42a of the back plate 33 to the flow of blowing air in front of the heating cooker body 21. It is connected in a curved line and has a substantially box shape having an inclined inner wall 52 obliquely upward.

  The upper side of the exhaust part of the exhaust cover 51 has a shape inclined in the front-rear direction, and a plurality of rectifying plates 53 are formed so as to disperse and rectify the exhaust heat appropriately and exhaust it. On the back side of the operation panel 24, a control board 54 for controlling electrical components such as the upper heater 27, the lower heater 28, and the cooling fan 31 is provided. There is an outer shell 55 that covers and protects parts on the outside of the heating cooker body 21.

  Next, the operation and action will be described taking oven cooking as an example.

  FIG. 7: is the perspective view which looked at the state which removed the outline and exhaust cover of the cooking-by-heating machine in the 1st Embodiment of this invention from the rear side.

  1-7, food is put into the heating chamber 22, and a heating setting key (not shown), a temperature setting key (not shown) and a time setting key (not shown) of the operation key 26 of the operation panel 24 are used. After the heating method, cooking temperature and time are set, when the start key (not shown) of the operation key 26 is pressed to start cooking, the upper heater 27 and the lower heater 28 are energized, and the microcomputer (see FIG. The heating chamber 22 is heated with a heating control pattern programmed in (not shown). On the other hand, at the same time as the start of cooking or after a while, the cooling fan 31 rotates and the cool air is sucked from the intake port 39 of the back plate 33, and a part of the cooling air blown out by the cooling fan 31 is magnetron. After passing through the heat radiating portion 29, the air guide 34 passes through the air intake 34 on the right side surface of the heating chamber 22 and is sent into the heating chamber 22.

  The hot air heated in the heating chamber 22 passes through an internal exhaust port 36 provided in the upper right portion of the rear wall surface 32 of the heating chamber 22, and is once discharged into the sealed space 37 of the rear wall surface 32 and the back plate 33 of the heating chamber 22. Then, together with the radiant heat of the rear wall surface 32 of the heating chamber 22, the heat is exhausted from the exhaust port 45 of the back plate 33 into the back plate cover 46. Further, a part of the cooling air blown out by the cooling fan 31 flows forward through the inverter 30, passes through the upper part of the upper heater 27, passes through the exhaust port 42 a of the back plate 33, and outside the back plate 33 upper side. Discharged.

  A part of the cooling air blown out by the cooling fan 31 passes through the side surface of the magnetron 29, flows to the lower side of the main body 21, passes through the lower part of the lower heater 28, and is located on the lower exhaust port 42 b on the lower side of the back plate 33. Through the lower exhaust ports 42 c and 43 of the back plate 33 and discharged into the back plate cover 46. Further, it flows outside the lower side and the right side (viewed from the rear side) of the back plate 33 and is discharged into the back plate cover 46.

  The exhaust heat exhausted into the back plate cover 46 flows upward and is exhausted from the exhaust port 49 on the upper side of the back plate cover 46, and the exhaust heat is exhausted from the exhaust port 42 a of the back plate 33 to the exhaust cover 52. It flows along the shape of the exhaust cover 52, and is appropriately dispersed and discharged from the upper side of the discharge portion by the plurality of rectifying plates 53.

  With the above configuration, the exhaust heat discharged from the rear side of the heating cooker is not directly blown to the wall around the heating cooker main body 21 by the back plate cover 46 and the exhaust cover 51, not behind the wall. And since it discharges | emits to the upper front of a heating cooker, the temperature of the wall around the heating cooker main body 21 can be made low. Moreover, the temperature of the components in the heating cooker can be lowered by smoothly inducing and discharging the exhaust heat of the heating cooker.

(Embodiment 2)
FIG. 8: is a principal part perspective sectional view of the exhaust cover of the heating cooker in the 2nd Embodiment of this invention.

  In FIG. 8, rectifying plates 53a, 53b, and 53c formed at the discharge portion of the exhaust cover 51 are arranged with different gaps (large, medium, and small) and become narrower toward the rear. By this, since the exhaust heat of the back discharged | emitted from the discharge part of the exhaust cover 51 can be suppressed, the temperature of the wall around a cooking-by-heating machine can be made low.

(Embodiment 3)
FIG. 9 is an external view of the exhaust cover of the cooking device according to the third embodiment of the present invention as seen from the front side and the lower side.

6 and 9, in the space in the exhaust cover 51, there are directional plates 56a, 56b, 56c, and 56d that are arranged so as to be directed toward the center. The directivity plates 56a, 56b, 56c, and 56d allow a large amount of exhaust heat to flow in the approximate center of the exhaust cover 51, and prevent the heat from flowing in the side direction. The temperature can be lowered.

(Embodiment 4)
FIG. 10: is the figure which looked at the exhaust cover of the cooking-by-heating machine in the 4th Embodiment of this invention from the front side, and sectional drawing seen from the side.
In FIG. 10, the exhaust cover 51 is divided into a fixed frame portion 57 on the outer side and a movable rectifying plate portion 58 on the inner side, and shaft portions 59 that are movably fixed to both ends of the movable rectifying plate portion 58. At one end, there is a movable operation knob 60 for moving the movable rectifying plate portion 58, and the shaft 59 of the movable rectifying plate portion 58 is pivotally supported by a bearing portion 61 provided in the fixed frame portion 57. Has been fixed. By operating the operation knob 60 up and down, the exhaust heat discharged from the front surface can be adjusted and discharged in an appropriate vertical direction.

(Embodiment 5)
FIG. 11: is a principal part external appearance perspective view of the exhaust cover of the heating cooker in the 5th Embodiment of this invention.

  6 and 11, a large number of exhaust ports 63 partitioned by a rectifying plate 53 and a directing plate 62 are provided in the space inside the exhaust cover 51 to block outflow of exhaust heat from the right side of the exhaust cover 51. A lateral partition wall 64a and a partition wall 64b formed so as to close the exhaust port 63 are provided. The temperature of the exhaust heat exhausted from the exhaust cover 51 and circulated into the intake port 39 by eliminating the exhaust from this portion and increasing the distance from the exhaust part of the exhaust cover 51 to the intake port 39 of the heating cooker body 21. Can lower the component temperature in the heating cooker body 21.

(Embodiment 6)
FIG. 12: is the external view which looked at the heating cooker in the 6th Embodiment of this invention from the rear side.

  In FIG. 12, the exhaust cover 51 is fastened to the back plate 33 with screws 65, avoiding the flange 55 a of the outer shell 55. As a result, the outer shell 55 can be removed without removing the exhaust cover 51, so that it is possible to avoid the trouble of removing the exhaust cover 51 during maintenance inspection of the heating cooker body 21.

(Embodiment 7)
FIG. 13: is the external view which looked at the heating cooker in the 7th Embodiment of this invention from the side.

  In FIG. 13, a convex protrusion 66 is provided on the rear side of the exhaust cover 51. By this, since space can be ensured reliably between the heating cooker main body 21 and the wall in the back, the temperature of the wall behind the heating cooker main body 21 can be lowered.

(Embodiment 8)
FIG. 14: is a principal part external view of the backplate cover of the cooking-by-heating machine in the 7th Embodiment of this invention.

In FIG. 14, on the upper side of the back plate cover 46, there are exhaust ports 67 arranged in a lattice pattern. The opening area of the exhaust port 67 becomes narrower toward both ends of the back plate cover 46. Moreover, it becomes so narrow that it goes to 46 back of a backplate cover. As a result, the exhaust heat exhaust distribution can be adjusted appropriately, and the exhaust heat from the exhaust portion of the exhaust cover 51 can be adjusted to an appropriate exhaust distribution. The temperature can be lowered.

(Embodiment 9)
FIG. 15: is a principal part figure of the backplate cover of the heating cooker in the 8th Embodiment of this invention.

  In FIG. 15, the louvers 44 a, 44 b, 44 c formed on the back plate 33 are arranged so that the louver arrangement interval is gradually widened toward the inlet 39 side of the heating cooker body 21. Thus, the amount of exhaust heat exhausted from the rear side of the heating cooker body 21 can be suppressed, and the component temperature in the heating cooker body 21 can be lowered.

(Embodiment 10)
FIG. 16: is principal part sectional drawing which looked at the heating cooker in the 9th Embodiment of this invention from the side.

  In FIG. 16, a heat insulating material 65 is provided in a sealed space 37 between the rear wall surface 32 of the heating chamber 22 and the back plate 33. On the upper side of the heat insulating material 68, a vent hole 69 through which the exhaust from the heating chamber 22 passes is provided. As a result, the heat radiation from the heating chamber 22 can be suppressed, the heater energization time can be reduced, the component temperature in the heating cooker body 21 can be lowered, and the heat from the heating chamber 22 can be reduced by the back plate 33. Therefore, the temperature rise of the exhaust heat can be suppressed by suppressing the heat radiation from the back plate 33.

  As described above, according to the heating cooker of the present invention, it is possible to smoothly and efficiently exhaust hot air even when installed in a closed state, and not to increase the temperature of the wall around the heating cooker. The present invention can also be applied to uses such as heating equipment that heats using energy of electricity, gas, and petroleum.

The perspective view which removed the exterior of the heating cooker in Embodiment 1 of this invention Sectional view of the heating cooker viewed from the front Sectional view of the same cooking device viewed from the side External perspective view of the state where the back cover and exhaust cover of the cooking device are removed as seen from the rear side External perspective view of the heating cooker with the exhaust cover removed as seen from the rear side External perspective view of the same cooking device viewed from the rear side The perspective view which looked at the state which removed the outline and the exhaust cover of the heating cooker from the rear side The principal part perspective sectional view of the exhaust cover of the cooking-by-heating machine in Embodiment 2 of the present invention. The external view which looked at the exhaust cover of the heating cooker in Embodiment 3 of this invention from the front side and the lower side The figure which looked at the heating cooker in Embodiment 4 of this invention from the front side, and sectional drawing seen from the side The perspective view of the exhaust cover of the heating cooker in Embodiment 5 of this invention External appearance perspective view of the cooking device in Embodiment 6 of the present invention as seen from the rear side The external view which looked at the heating cooker in Embodiment 7 of this invention from the side External appearance perspective view which looked at the state which removed the exhaust cover of the heating cooker in Embodiment 8 of this invention from the rear side The perspective view which looked at the state which removed the back board cover and exhaust cover of the heating cooker in Embodiment 9 of this invention from the rear side Sectional drawing which looked at the cooking-by-heating machine in Embodiment 10 of this invention from the side. Perspective view of a conventional high-frequency heating device Sectional view of the same high-frequency heating device viewed from above Lumbar enlarged cross-sectional view of the same high-frequency heating device

Explanation of symbols

21 Heating cooker body 22 Heating chamber 27 Upper heater (heating means)
28 Lower heater (heating means)
31 Cooling fan (blower)
32 Heating chamber rear wall 33 Back plate 34 Air guide 35 Inside air inlet 36 Inside air outlet 36 Inside air outlet 37 Sealed space 39 Air inlet 42a, 42b, 42c Exhaust port 43 Exhaust port 45 Exhaust port 46 Back plate cover 49 Exhaust port 50 Depressurization Port 51 Exhaust cover 53 Rectifier plate

Claims (17)

A heating chamber provided inside the heating cooker main body for storing an object to be heated, a heating means for cooking the object to be heated, a control means for controlling the heating means, and an electrical component of the machine room are cooled. A blower, a back plate for blocking heat on the back side of the heating chamber, a back plate cover for joining exhaust heat in the heating chamber and hot air from the heating chamber, and exhaust heat from the back plate cover for exhaust An exhaust cover that leads to the heating cooker body and an outer shell that covers and protects the components, and the back plate is provided so as to cover the entire rear side of the heating chamber. The back plate cover is provided so as to cover the surface, the exhaust cover is on the upper side of the back plate cover, the exhaust heat is rectified and exhausted in the front direction, and the outer cover is removed without removing the exhaust cover. characterized in that a configuration in which Hazuseru the Heating cooker. The cooking device according to claim 1, wherein the upper surface of the exhaust cover is inclined in the front-rear direction, a plurality of rectifying plates are formed in the discharge portion, and the angle of the rectifying plates is set obliquely forward. The cooking device according to claim 1 or 2, wherein the interval between the plurality of rectifying plates formed in the discharge portion of the exhaust cover is narrowed toward the rear. The cooking device according to any one of claims 1 to 3, wherein a directional plate is formed so that a large amount of exhaust heat is discharged from a discharge portion of the exhaust cover from substantially the center of the exhaust cover. . The cooking device according to any one of claims 1 to 4, wherein the upper corner of the discharge portion of the exhaust cover is formed in a horizontally long, substantially elliptical shape. The cooking device according to any one of claims 1 to 5, wherein a connecting portion between the upper surface and the rear surface of the exhaust cover is substantially R-shaped. The heating cooker according to any one of claims 1 to 6, further comprising a rectifying plate that can freely change the exhaust heat discharged from the discharge portion of the exhaust cover. 8. The exhaust port according to any one of claims 1 to 7, wherein a shape of a discharge portion of the exhaust cover is substantially bilaterally symmetrical, and when the back plate has an intake port, a part of the exhaust port close to the intake port is closed. The heating cooker described in 1. The heating cooker according to any one of claims 1 to 8, wherein a protrusion is formed to take a separation distance from a wall adjacent to the exhaust cover. The cooking device according to any one of claims 1 to 9, wherein the exhaust cover is made of resin . The cooking device according to any one of claims 1 to 10 , wherein a plurality of punching holes are provided on the right side of the upper surface of the back plate cover when viewed from the front, and substantially square holes having a wide width are provided on the left side . The cooking device according to any one of claims 1 to 10 , wherein an opening area of an exhaust port formed on the upper surface of the back plate cover is narrowed toward the rear . The cooking device according to any one of claims 1 to 10 , wherein an opening area of an exhaust port formed on an upper surface of the back plate cover is narrowed toward an end . The cooking device according to any one of claims 1 to 13 , wherein a plurality of decompression ports are formed on a lower surface of the back plate cover or on the left and right surfaces . A plurality of louvered exhaust ports, or round and square exhaust ports are formed on the rear surface of the back plate, and the arrangement intervals of the louvered exhaust ports or round and square exhaust ports are arranged on the back plate. The cooking device according to any one of claims 1 to 14, wherein the cooking device is made wider as it approaches the intake port . The hot air discharged from the heating chamber is once discharged into a substantially sealed space formed by the rear wall and the back plate of the heating chamber, and then exhausted from the exhaust port of the back plate cover. The cooking device according to any one of -15. The heating cooker according to any one of claims 1 to 16 , wherein a heat insulating material is inserted between the rear wall and the back plate of the heating chamber.

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