JP6504841B2 - Cooking device - Google Patents

Description

  The present invention relates to a heating and cooking apparatus.

  There is known a food humidifying storage with a refrigeration function for distributing food while heating food in a hospital, a nursing home or the like (see Patent Document 1). In Patent Document 1, a cooler that cools the air circulating in the cold storage for the set time of the timer and cools it to a cooling temperature, and heats the air circulating in the cold storage after the timer has timed up to the set temperature It is necessary to have a malfunction by providing a heater to control the humidifier that supplies water vapor to the inside of the compartment so that the inside humidity determined from the output of the humidity sensor is maintained at the set humidity. It is disclosed that the amount of food can be reduced and the food can be reliably heated and humidified.

Utility model registration 3075775 gazette

  In the technique described in Patent Document 1, although the wind circulates along the circulation path by the drive of the fan, since the wind is blown out only from the back into the chamber, the lower tray among the trays stored in multiple stages There is a possibility that a temperature difference may occur between the upper and lower trays.

  An object of the present invention is to provide a heating and cooking apparatus which can reduce the loss of air blowing from the air blower and heat the air evenly.

  The heating and cooking apparatus according to the present invention includes a housing, a storage chamber having a plurality of shelves which are defined inside the housing and arranged in the vertical direction for mounting a heating target, and the housing. An air-blowing unit disposed, a circulation duct defined inside the casing and circulating an air flow delivered by the air-blowing unit inside the casing including the storage chamber, and disposed inside the casing A heater for heating the air flow, wherein the circulation duct includes an upper circulation duct disposed on the upper side of the storage chamber and a side circulation duct disposed on one side surface of the storage chamber. The side circulation duct has a plurality of blow-out holes for introducing the air flow to each shelf of the storage room, and an air volume for guiding the air flow to the bottom of the storage room under the lowermost shelf. Front including the adjustment section and guided to the bottom of the storage room Air flow is directed further toward the other side surface of the housing chamber.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, the side circulation duct forms a back circulation duct disposed on the rear side of the storage chamber, and the air flow guided to the bottom portion is in front of the storage chamber. It is guided towards the department.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, the air volume adjusting unit includes an opening from which the air flow is blown out and a suppression plate forming the opening.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, a guiding recess for guiding the air flow toward the front of the storage chamber is formed at the bottom of the storage chamber, and the air flow of the air volume adjustment unit is measured. The width of the blowout opening is equal to the width of the guiding recess.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, an air inlet communicating with the upper circulation duct from the storage chamber is defined in an upper and front region of the storage chamber.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, a first circulating flow for guiding the air flow from the blowout hole to the air intake through the plurality of shelves of the storage room, and the storage from the air volume adjustment unit A second circulating flow is formed which passes the bottom and the front of the chamber and directs the air flow to the air inlet.

  As one aspect of the heating and cooking apparatus according to the present invention, for example, the total opening area of the blowout holes corresponding to the lower shelf is smaller than the total opening area of the blowout holes corresponding to the upper shelf.

  According to the heating and cooking apparatus of the present invention, uniform heating without unevenness can be performed on a plurality of heating objects by forming two circulating flows circulating from one side to the other side of the storage chamber. .

  In addition, when the side circulation duct forms a back circulation duct, air flow is formed toward each shelf by the air volume adjustment portion of the back circulation duct, and the air flow is induced from the bottom of the storage chamber to the front, The entire chamber can be heated uniformly.

  Furthermore, by changing the total opening area of the blowout holes provided in the rear circulation duct between the upper shelf and the lower shelf, the air flow can be uniformly blown out to the respective shelves disposed above and below. In addition, since the air flow induced to the bottom by the air volume adjustment unit is guided to the front of the storage room, the air flow can be formed in the entire shelf, so that it is reliable and appropriate for each object to be heated. Heating or cooling.

  In addition, since the back surface partition plate has the blowout holes and the suppression plate, the blowout from the heating unit is not biased, and air can be uniformly blown toward the plurality of heating objects uniformly. And, by making the width of the opening of the air flow rate adjustment part equal to the width of the guiding recess at the bottom of the storage chamber, the air flow can be smoothly guided toward the front of the storage chamber without being disturbed. Furthermore, by defining the air inlet in the upper and front area of the storage room, the air flow of the storage room can be guided into the upper circulation duct, and a circulation path of the air flow in the housing is formed. Then, by dividing the air flow flowing into the storage chamber from the rear circulation duct into the first circulation flow and the second circulation flow, the center and the rear side of each shelf are subjected to the first circulation flow, and the front side is the second circulation flow. Can ensure that each is heated or cooled to an appropriate temperature.

The schematic diagram which shows an example of the heat-cooking apparatus which concerns on this invention. The front partial perspective view which shows an example of the heat-cooking apparatus which concerns on this invention. BRIEF DESCRIPTION OF THE DRAWINGS The front perspective view which shows an example of the heat-cooking apparatus which concerns on this invention. The schematic diagram which shows an example of the air volume adjustment part of the heat-cooking apparatus which concerns on this invention. The front perspective view which shows an example of the upper side partition plate of the heat-cooking apparatus which concerns on this invention. An example of the casing of the heat-cooking apparatus which concerns on this invention is shown, (a) Front perspective view, (b) Top view. The perspective view which shows an assembly of the upper side partition plate and casing of the heat-cooking apparatus which concerns on this invention. The schematic diagram explaining the flow of the air of the heating-cooking apparatus which concerns on this invention.

  Hereinafter, a preferred embodiment of the heating and cooking apparatus according to the present invention will be described in detail based on FIGS. 1 to 8.

  FIG. 1 is a schematic view of the cooking device, FIG. 2 is a front partial perspective view of the cooking device, FIG. 3 is a front perspective view of the cooking device, and FIG. One embodiment of the heating and cooking apparatus will be described in detail with reference to FIGS. 1 to 4.

  The heating and cooking apparatus 1 of the present embodiment is used in a facility that provides meals and the like to a large number of people such as a hospital, a care facility, an office, a factory, etc., and the food (heating object) K to be provided is appropriate before serving. The apparatus can be controlled to any heating state, and includes a housing 2, a storage chamber 3, and a blower 10 and a heating unit 20 disposed inside the housing 2. Moreover, you may provide the cooling unit 30 which cools the inside of the storage chamber 3 as needed. In the present embodiment, the heating and cooking apparatus 1 including the cooling unit 30 is described.

  The heating and cooking apparatus 1 is surrounded by a casing 2 which is substantially rectangular and is mainly made of a heat insulating material, and a storage chamber 3 of the object to be heated K defined inside the casing 2 is formed. Further defined by an upper partition 4 disposed on the upper side of the storage chamber 3, a rear partition 5 disposed on the rear side of the storage chamber 3 and extending in the vertical direction of the storage chamber 3, and an open / close door 6 It is done.

  Further, a substantially flat ceiling wall 7 made of a heat insulating material or the like is disposed on the upper side of the upper side partition plate 4 so as to cover the upper portion of the storage chamber 3. Further, in the storage chamber 3, a plurality of shelves (tray support portions) 9 on which a plurality of trays 8 on which a plurality of heating objects K can be placed can be disposed are provided vertically in a horizontal plane. The tray 8 may be provided with a large number of holes for circulating air.

  The circulation duct 60 is disposed on the upper side of the storage chamber 3 and is defined between an upper circulation duct 61 defined between the upper partition 4 and the ceiling wall 7, and between the rear partition 5 and the rear wall 2 b. It includes a back side circulation duct (rear side circulation duct) 62 so that the air flow sent out by the blower 10 blows out from the back side circulation duct 62 to the storage chamber 3 and is sucked into the upper circulation duct 61 and sent out again from the fan 10 It has become. As described above, the circulation duct 60 enables the air sent out by the blower 10 to circulate in the inside of the housing 2 including the storage chamber 3.

  The fan unit 10 is a fan drive disposed between the upper partition plate 4 and the ceiling wall 7 and between the ceiling 2 a of the housing 2 and the ceiling wall 7 to drive the fan unit 11. The fan unit 11 includes an air blower 13 including a sirocco fan or the like, an air intake portion 14 provided on an intake side for sucking in air from the lower side of the air blower 13, and a discharge side for discharging air. It has a discharge part 15 and a casing 16. The blower 13 is housed in a casing 16. Then, the air blower 13 is rotationally driven by the drive of the fan drive unit 12 of the air blower 10, and the air flow V which is sent out by the air blower 13 of the air blower 10 and flows into the housing 2 is formed.

  The heating unit 20 is disposed between the back wall 2 b of the housing 2 disposed on the rear side of the storage chamber 3 and the back partition plate 5, and is a front surface defined so as to extend vertically in the housing 2. A heater 21 (see FIG. 2) having a substantially U-shaped view is provided, and is connected as a path of the air flow V to the discharge portion 15 on the discharge side of the air blower 13. A rear circulation duct 62, which is a path of the air flow V, is formed between the rear wall 2b of the housing 2 and the rear partition plate 5.

  As shown in FIG. 2, a plurality of blowout holes 51 for introducing the air flow V into the storage chamber 3 are opened toward the shelves 9 in the back surface partition plate 5, and the blowout holes 51 correspond to the shelves 9 located on the upper side. The arrangement number and the opening area are different from the arrangement number and the opening area corresponding to the lower shelf 9. In the present embodiment, the total opening area of the blowout holes 51 corresponding to the shelves 9 on the lower side is set smaller than the total opening area of the blowout holes 51 corresponding to the upper shelves 9.

  Further, in the bottom portion 3a of the storage chamber 3 located under the lowermost shelf 9 from the rear surface circulation duct 62, a guiding concave portion 3b having a concave cross section is formed along the front-rear direction. Further, at the lower end of the back surface partition plate 5, an air flow rate adjusting portion 52 for guiding the air flow V to the guide recess 3b is formed. The air flow rate adjusting portion 52 extends in a direction substantially perpendicular to the direction in which the back surface partition plate 5 extends, and between the suppression plate 52a projecting toward the back surface wall 2b of the housing 2 and the tip of the suppression plate 52a and the back surface wall 2b And an opening 52b formed in the And the induction | guidance | derivation recessed part 3b is formed in the width | variety D substantially the same as the opening 52b of the air volume adjustment part 52 (refer FIG. 4).

  There is no change in the width D from the air volume adjustment unit 52 to the front of the storage chamber 3 by forming the induction recess 3b having substantially the same width D as the opening 52b of the air volume adjustment unit 52, and the air flowing inside flows smoothly. Therefore, the air flow V blown out from the opening 52b is guided to the front without being disturbed. And by providing the control board 52a, it is suppressed that the air flow V blows out intensively from the downward direction of the back surface circulation duct 62, and the blowout from the blowout hole 51 into the storage chamber 3 is urged.

  By arranging a plurality of heaters 21 between the rear wall 2 b of the housing 2 and the rear partition plate 5, the single heater 21 is provided with a steam generation unit 26 provided with a water supply unit 25. Also good. The steam generating unit 26 is attached to the heater 21 and generates heat to be supplied to the storage chamber 3 by heating the water supplied from the water supply unit 25.

  The heater 21 disposed substantially in parallel with the back surface partition plate 5 in parallel with the back surface wall 2 b of the housing 2 is disposed along the vertical direction of the back surface circulation duct 62, It will be positioned along, and will not disturb the flow of the air flow V. Moreover, since the contact time with the heater 21 becomes long at the time of heating, air can be efficiently heated. And, since the heating unit 20 and the storage chamber 3 are adjacent to each other through the back surface partition plate 5, the heated air is directly supplied to the storage chamber 3, and the storage is performed without causing the decrease of the heating temperature or the air loss. The heating target K in the chamber 3 can be efficiently heated without unevenness.

  The cooling unit 30 includes a cooler 31 disposed between the upper partition plate 4 and the ceiling wall 7 and a cooling unit body 32 disposed between the ceiling portion 2 a and the ceiling wall 7. The reference numeral 32 has a unit base 33 fixed to the upper surface of the ceiling wall 7 with a bolt or the like, a condenser 34 fixed to the unit base 33, and a cooling drive unit 35. A cooler fixing stand 36 is provided below the unit stand 33, and the cooler 31 is fixed to the cooler fixing stand 36. The cooler fixing base 36 is inserted and placed in a cooling opening 37 formed in the ceiling wall 7. Then, the air flow V passes through the inside of the cooler 31 cooled by the cooling unit main body 32, and is cooled and sent to the blower 13. The air flow V may be cooled by the cooler 31 or may not be cooled because the cooling unit body 32 is stopped.

  Moreover, the control panel S which sets temperature and humidity in the storage chamber 3 and enables time adjustment is provided in the housing | casing 2 of the upper side of the opening-closing door 6 of the heating-cooking apparatus 1. FIG.

  FIG. 5 is a front perspective view of the upper side partition plate 4. The upper partition plate 4 will be described in detail with reference to FIG.

  The upper partition plate 4 is made of a substantially flat metal plate or the like, and serves to divide the blower 13 fixed to the ceiling wall 7 and the cooler 31 from the storage chamber 3 and is delivered by the drive of the blower 13. The air flow V is guided from the cooler 31 to the air intake portion 14 opened below the air blower 13. Furthermore, it receives falling objects and the like from the air blowing unit 10 and the cooling unit 30, and prevents the object from falling into the storage chamber 3.

  The upper partition plate 4 is disposed on the upper side of the storage chamber 3 with one end thereof being separated from the open / close door 6 so that the air from the storage chamber 3 is sucked and the intake port 41 communicated with the upper circulation duct 61 Is formed on the upper side (upper side) and the front side (front side) of the storage chamber 3. In the present embodiment, the inlet 41 is disposed on the front side of the inlet partition 42 projecting upward at one end of the upper partition 4, and a cooler opening through which air flows into the cooler 31 in the inlet partition 42. The part 43 is formed.

  Further, the upper partition plate 4 is bent in the direction of the storage chamber 3 from the shelf 44 located below the cooler 31 and is separated from the lower surface of the air blower 13 from the shelf 44 and the air flow V is And a flat air inlet duct 45 for guiding the The air inlet duct 45 is defined between the upper partition 4 and the blower 13, and the air flow V having passed through the cooler 31 serves to feed the blower 13.

  Furthermore, the upper partition plate 4 has a fold-up portion 46 projecting upward so as to surround the four sides, and receives falling objects falling on the upper partition plate 4, for example, condensation of water vapor contained in the air flow V As a result, water droplets falling from the cooler are guided to the drainage portion 47 provided at the other end of the upper partition plate 4. The upper partition plate 4 engages a plurality of engaging portions 42a provided in the intake port partitioning portion 42 with the cooler 31, and attaches the drainage portion 47 to, for example, a drainage opening 17d described later formed in the casing 16 or the like. It fixes to the upper side of the storage chamber 3 by this.

  6A and 6B show the casing 16 attached to the air blowing unit 10. FIG. 6A is a front perspective view, and FIG. 6B is a top view. The casing 16 will be described in detail with reference to FIG.

  In the present embodiment, the casing 16 has a substantially flat base 17 and a substantially cylindrical frame 18 integrated by welding or the like. The base 17 has a standing wall 17a standing on the upper side, a flat plate 17b bent substantially at right angles to the standing wall 17a, and a locking plate 17c extending downward from the tip of the flat plate 17b. . The upright wall 17 a shields the air flow V passing through the cooler 31 and serves to forcibly feed the air into the intake air introduction duct 45. Further, an open intake portion 14 is formed at the central portion of the flat plate 17b.

  The frame 18 accommodates the blower 13 and has a substantially circular cylindrical portion 18a and a discharge portion 15 so as to surround the intake portion 14. The discharge portion 15 has a substantially U-shaped cross section and a pair of support portions 18b. And an inclined portion 18d inclined downward. In addition, the notch part 18c which avoids the heater 21 is formed in the inclination part 18d.

  According to the above-described configuration, as shown in FIG. 6B, air is forcibly sucked from the intake section 14 to the blower 13 by the rotation of the blower 13, and from the side surface of the blower 13 toward the inner wall of the cylindrical portion 18a. Air is released, and a gentle curved surface of the cylindrical portion 18a forms an air flow V which efficiently flows from the discharge portion 15 toward the heating portion 20.

  FIG. 7 is a perspective view showing the upper partition plate 4 and the casing 16 assembled. The state where the upper side partition plate 4 and the casing 16 are assembled will be described using FIG. 7.

  In the present embodiment, the tip end of the drainage portion 47 of the upper partition plate 4 is inserted into and engaged with the drainage opening 17 d formed in the locking plate 17 c of the casing 16, and the upper partition plate 4 and the casing 16 are joined. The intake air introduction duct 45 is formed by the upper side partition plate 4 and the flat plate 17 b of the casing 16 and the locking plate 17 c, and the intake portion 14 communicating with the intake air introduction duct 45 is formed at the lower part of the casing 16. The cooler 31 is disposed in a portion defined by the cooler opening 43 of the upper partition plate 4 and the upright wall 17 a of the casing 16, and the blower 13 is disposed in the cylindrical portion 18 a of the casing.

  Further, since the upper partition plate 4 is engaged with the cooler 31 and the casing 16, the lower portions of the cooler 31 and the blower 13 can be easily opened, and the maintainability is improved.

  The flow of the air flow V will be described with reference to FIG.

  The fan drive unit 12 of the blower unit 10 is driven to rotate the blower 13. The air in the storage chamber 3 is sucked from the intake port 41, passes through the cooler 31, is cooled if necessary, and is sucked into the intake section 14 from the intake introduction duct 45 provided on the upper partition 4 . The suctioned air is sent from the discharge unit 15 provided on the discharge side of the blower 13 to the heating unit 20.

  The cooler 31 and the blower 13 are arranged substantially in parallel with the ceiling wall 7, and the intake portion 14 of the blower 13 is opened not downward but toward the cooler 31. However, the intake provided in the upper partition plate 4 The air flow V flowing in the upper circulation duct 61 of the upper partition plate 4 and the ceiling wall 7 stably and smoothly flows because the air is guided to the lower side of the blower 13 by the introduction duct 45.

  Moreover, since the discharge part 15 of the ventilation part 10 is connected with the heating part 20, it flows to the heating part 20 directly, and the air sent into the heating part 20 is heated by the heater 21 as needed, and a back surface partition plate An air flow V discharged to the storage chamber 3 from the blowout holes 51 of 5 is formed.

  The heating heater 21 of the heating unit 20 is defined so as to extend in the vertical direction substantially in parallel with the back surface partition plate 5 disposed substantially in parallel with the standing direction of the back surface wall 2 b of the housing 2. The air flow V passing through flows in the back circulation duct 62 without resistance. The air flow V flowing to the back circulation duct 62 stably spreads to the lower part of the back circulation duct 62, and uniformly heats or cools the heating target K placed on each shelf 9 through the plurality of blowout holes 51 and blows out. A first circulating flow 65 is formed which leads the air flow V from the hole 51 to the air inlet 41 through the plurality of shelves 9 of the storage chamber 3.

  The air flow V blown out from the opening 52b of the air flow rate adjustment unit 52 provided on the lower side of the rear circulation duct 62 is a guiding recess formed on the bottom 3a of the storage chamber 3 below the lowermost shelf 9. It is led to 3b. The air flow V can be guided to the front of the storage chamber 3 which is hard to reach from the blowout hole 51 by the guiding recess 3 b. Then, the air flow V induced to the front flows toward the upper side of the storage chamber 3. A second circulating flow 66 is formed which leads the air flow V from the air flow adjustment unit 52 to the air inlet 41 through the bottom 3 a and the front of the storage chamber 3.

  The air flow V can be circulated throughout the storage room 3 by the first circulation flow 65 and the second circulation flow 66 described above. That is, the heating object K at the rear near the rear partition plate 5 is heated or cooled by the air flow V blown out evenly from the blowout hole 51, and the heating object K at the front near the opening and closing door 6 is the air volume adjusting portion The plurality of heating objects K which are blown out from 52 and heated or cooled by the air flow V rising toward the inlet 41 at the front of the storage chamber 3 are placed not only in the upper and lower sides but also in the front and back It is uniformly heated or cooled uniformly.

  Further, the balance of the airflow V between the front and rear sides of the storage chamber 3 is determined by the opening area of the air volume adjustment unit 52. When the opening area is increased, the air volume at the rear of the storage room 3 is weakened, the air volume to the front of the storage room 3 is intensified, and when the opening area is decreased, the air volume at the rear of the storage room 3 is increased. The air flow to the front is reduced. It is appropriately determined by the size, shape, etc. of the storage room.

  Hereinafter, the operation of the heating and cooking apparatus 1 of the present invention will be described.

  When the control panel S is set and the operation is started, the blower 13 is rotated by the drive of the fan drive unit 12. The intake section 14 of the blower section 10 has a negative pressure, and the air at the front of the storage chamber 3 is drawn in from the intake port 41 of the upper circulation duct 61. The blower 13 sends the sucked air from the discharge unit 15 to the back circulation duct 62. The air fed into the rear circulation duct 62 is blown out to the respective shelves 9 from the blowout holes 51 opened in the rear partition plate 5. Furthermore, the air is blown downward from the lowermost shelf 9 from the opening 52 b of the air flow rate adjustment unit 52.

  The air flow V that easily blows out below the rear circulation duct 62 is suppressed from blowing downward because the air flow rate adjustment unit 52 includes the suppression plate 52 a, and is blown out toward the respective shelves 9 from the blowout holes 51. A plurality of blowout holes 51 opened upward and downward toward the rack 9 reduce the opening area of the blowout holes 51 below which the blowout increases on the downstream side in the blowing direction in the rear circulation duct 62, so the blowout amount is downward It blows up and down evenly without being biased.

  The wind blown out from the air flow rate adjustment unit 52 is guided forward along the bottom 3 a of the storage room 3. It is smoothly guided by the guide recessed part 3b formed in the front-back direction of the bottom part 3a of the storage chamber 3. As shown in FIG. The air flow V guided to the front of the storage chamber 3 flows upward, but since the intake port 41 of the upper circulation duct 61 is open at the front of the storage chamber 3, It can flow smoothly upward. Then, the air flow V of the storage chamber 3 passes through the upper circulation duct 61 from the intake port 41 by the rotation of the blower 13 and is sucked by the blower 13.

  And the air sent into the back surface circulation duct 62 by the air blower 13 blows out equally from the upper stage to the lower stage from the blowout holes 51 directed to the respective racks 9 and flows horizontally between the racks 9. Then, when the force becomes weak, the fluid flows toward the air inlet 41 opened to the upper side of the storage chamber 3 and is sucked again by the upper circulation duct 61.

  On the other hand, the air flow V which has flowed to the lower side of the rear circulation duct 62 is blown downward from the lowermost stage of the shelf 9 from the slit-like opening 52b with the rear wall 2b of the housing 2 on the rear side of the storage chamber 3. Be done. The air flow V is smoothly induced to the front (the front) of the storage chamber 3 with the same width D by the guide recess 3 b of the bottom 3 a of the storage chamber 3. When guided to the front, it is directed upward and passes through the front of the storage room 3. Then, the air flows toward the air inlet 41 opened to the upper side of the front of the storage chamber 3.

  The first circulation flow 65 of the air flow V blown out from the rear circulation duct 62 to the rear of the storage chamber 3 by the rear circulation duct 62 described above and the front of the storage chamber 3 from the rear circulation duct 62 Since two circulating flows of the air flow V directed to the part and the second circulating flow 66 are formed over the entire storage chamber 3, the heating object (food material placed on the plurality of shelves 9 of the storage chamber 3) ) K can be uniformly heated or cooled not only up and down but also back and forth.

<Setting on control panel S>
In advance, in the control panel S, the cold storage temperature, the reheating start time, the reheating room temperature, the reheating time, and the humidity are set as needed. The cold storage temperature is preferably set to 3 ° C., for example. The temperature in the reheating room is set, for example, from 80 ° C. to 120 ° C. according to the heating object (food, food, etc.) K, and the reheating time is set, for example, from 30 minutes to 120 minutes according to the amount of heating object K Can. When the core temperature sensor inserted into the heating target K is provided, heating may be performed until the core temperature is heated, for example, at 75 ° C. for one minute or more. The humidity at the time of heating can be set from 0% to 100% depending on the heating object K.

<Setting on control panel S>
<Cold-cooling operation: When the cooling unit is placed>
The open / close door 6 is opened, and the preheated cooled heating object K is stored in the storage chamber 3. When the open / close door 6 is closed and the operation is started from the control panel S, the cold storage operation is started. The blower 13 is rotated by the drive of the fan drive unit 12, and the cooling unit 30 starts driving. The air in the storage chamber 3 is sucked from the intake port 41 of the upper circulation duct 61, and cool air is generated by the cooling unit 30 and is sent to the rear circulation duct 62.

  Cold air is blown out uniformly toward the shelves 9 from the blowout holes 51 opened in the back surface partition plate 5 of the back surface circulation duct 62. Of the heating objects K of each shelf 9, the heating objects K at the center and the rear are cooled by cold air flowing horizontally in each shelf 9. On the other hand, the cold air blown out from the air flow rate adjustment unit 52 of the back circulation duct 62 is guided to the front along the bottom 3 a of the storage room 3. The cold air guided to the front flows upward and is again drawn into the upper circulation duct 61. And the foodstuff in front of each shelf 9 is cooled by the cold wind which flows upward.

<Reheating operation>
When the reheating start time comes, the cooling operation is stopped and the reheating operation is started. The cooling unit 30 is stopped and the heater 21 is driven. The air in the storage chamber 3 sucked from the intake port 41 is heated by the heater 21 and becomes hot air, and passes through the back circulation duct 62. Hot air is uniformly blown out toward each shelf 9 from the blowout holes 51 opened in the back surface partition plate 5 of the back surface circulation duct 62.

  Among the objects to be heated K of the respective shelves 9, the objects to be heated K at the center and the rear are heated by the hot air flowing in the respective shelves 9 horizontally. On the other hand, the hot air blown out from the air flow rate adjustment unit 52 of the back circulation duct 62 is guided to the front along the bottom 3 a of the storage room 3. The hot air guided to the front flows upward and is again drawn into the upper circulation duct 61. The heating target K in front of each shelf 9 is heated by the hot air flowing upward.

  When the heating time has elapsed until the set reheating time, or when the core temperature of the core temperature sensor has reached a predetermined temperature for a predetermined time, the heater 21 and the fan drive unit 12 are stopped and the open / close door 6 is opened to be heated The object K is taken out. At this time, the heat retention operation in which the room temperature is set to, for example, about 80 ° C. is started, and the driving of the heater 21 and the fan drive unit 12 is continued until the worker takes it out to keep the heating object K warm. It is also good.

  The heating and cooking apparatus 1 according to the present embodiment has the open / close door 6 on the opposite side of the back surface partition plate 5, and therefore the suction duct or the blowout duct can not be installed on both sides of each shelf 9. The heating and cooking apparatus 1 of the present embodiment is provided with a back circulation duct 62 on the rear side of the storage room 3 and guides the wind to the front along the bottom 3 a of the storage room 3 and circulates the air flow V directed upward. To compensate for the lack of air flow V at the front (lack of heating or cooling).

  However, the other ducts constituting the circulation duct 60 in combination with the upper circulation duct 61 do not necessarily have to be disposed on the rear side of the storage room 3, ie, the rear face of the storage room 3, like the rear circulation duct 62. , It can arrange also on other side surfaces other than the front of storage room 3, and the back. Therefore, the circulation duct 60 can also be configured by the “side circulation duct” and the upper circulation duct 61 disposed on one side surface (including the back surface) of the storage chamber 3. The “side circulation duct” referred to here includes the back circulation duct 62.

  When the back circulation duct 62 is formed, the air flow directed to the bottom 3 a is directed toward the front of the storage room 3. In the case where the side circulation duct, which is a broader concept, is formed, the air flow guided to the bottom 3 a of the storage chamber 3 is directed toward the other side of the storage chamber 3. For example, when the side circulation duct is formed on the right side surface of the storage chamber 3, the air flow is guided from the right side surface to the bottom 3 a and then directed to the left side surface of the storage chamber 3. Also in this case, two circulating flows (first circulating flow 65 and second circulating flow 66 90 degrees sideways) circulating from one side to the other side of the storage chamber 3 are formed, Uniform heating or cooling can be performed on the object to be heated.

  As described in detail above, forming two circulating flows (a first circulating flow 65 and a second circulating flow 66) in the heating and cooking apparatus 1 circulating from one side to the other side of the storage chamber 3 Thus, uniform heating or cooling can be performed on the plurality of heating targets K without unevenness. For example, even when the open / close door 6 is disposed on the opposite side of the back surface circulation duct 62 and no other circulation duct can be installed, uniform heating or cooling without unevenness even in the top and bottom can be performed.

  The shapes and arrangement states of the upper side partition plate 4, the back surface partition plate 5, the casing 16 and the like described above are an example based on the present embodiment, and are not limited to the shapes described in the present embodiment. The air that has passed through the cooler 31 is sucked by the air blower 13 without difficulty, and the air stably flows from the discharge portion 15 on the discharge side of the air blower 13 to the heating portion 20 and flows smoothly in the back circulation duct 62 It is only necessary to form a circulation duct 60 in which V is formed.

  Although the food or the like placed on the tray 8 and heated is described as the heating object K, this is because the efficiency with which the air is heated in the heating unit 20 is emphasized as one of the features of the present invention. It may be cooled and is not particularly limited to heating.

  The present invention is not limited to the embodiments described above, and appropriate modifications, improvements, etc. are possible. In addition, the materials, shapes, dimensions, numerical values, forms, numbers, locations, etc. of the respective components in the above-described embodiment are arbitrary and not limited as long as the present invention can be achieved.

  The heating and cooking apparatus according to the present invention can be applied to the field of food distribution where an air flow stably flows and an object to be heated in a storage room can appropriately heat an air flow.

DESCRIPTION OF SYMBOLS 1 heating cooking apparatus 2 case 2a ceiling part 2b back wall 3 storage room 3a bottom part 3b induction | guidance | derivation recessed part 4 upper partition plate 5 back partition plate 6 opening / closing door 7 ceiling wall 9 shelf 10 ventilation part 11 fan part 12 fan drive part 13 air blower 14 intake portion 15 discharge portion 16 casing 20 heating portion 21 heating heater 30 cooling unit 31 cooler 41 intake port 45 intake introduction duct 51 blowout hole 52 air flow adjustment portion 52a suppression plate 52b opening 60 circulation duct 61 upper circulation duct 62 back circulation duct (Side circulation duct, rear circulation duct)
65 1st circulation flow 66 2nd circulation flow D width K heating object S control board V air flow

Claims (6)

And
A storage chamber defined inside the housing and having a plurality of shelves disposed vertically in order to mount the object to be heated;
A blower disposed inside the housing;
A circulation duct which is defined in the inside of the housing and circulates the air flow sent out by the blowing unit inside the housing including the storage chamber;
A heater disposed inside the housing for heating the air flow;
The circulation duct includes an upper circulation duct disposed on the upper side of the storage chamber, and a side circulation duct disposed on one side surface of the storage chamber, and the side circulation duct is disposed on each shelf of the storage chamber. And a plurality of blowout holes for introducing an air flow, and an air volume control unit for guiding the air flow to the bottom of the storage chamber under the lowermost shelf,
The air flow directed to the bottom of the storage chamber is further directed toward the other side of the storage chamber ,
The heating and cooking apparatus , wherein the total opening area of the blowout holes corresponding to the lower shelf is smaller than the total opening area of the blowout holes corresponding to the upper shelf . The cooking device according to claim 1, wherein
The side surface circulation duct forms a back surface circulation duct disposed on the rear side of the storage chamber, and the air flow guided to the bottom is directed toward the front of the storage chamber. The cooking device according to claim 1 or 2, wherein
The air flow adjustment unit includes an opening from which the air flow is blown out and a suppression plate that forms the opening. The heating and cooking apparatus according to claim 2,
A guiding recess for guiding the air flow towards the front of the storage chamber is formed in the bottom of the storage chamber;
The width of the opening which blows off the air flow of the said air volume adjustment part is equal to the width | variety of the said guidance recessed part, The heating-cooking apparatus. The heating and cooking apparatus according to claim 2,
The heating and cooking apparatus, wherein an intake port communicating with the upper circulation duct from the storage chamber is defined in an upper and front region of the storage chamber. The heating and cooking apparatus according to claim 5, wherein
A first circulating flow for guiding the air flow from the blowout hole to the air intake through the plurality of shelves of the storage room, and the bottom and the front of the storage room from the air volume adjustment unit A cooking device, wherein a second circulating flow for guiding the air flow to the air inlet is formed.

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