Heating apparatus and method for cooking

Abstract

A heating apparatus for cooking, which ventilates the insides of cooking chambers after the cooking of food in the cooking chambers is completed, to rapidly cook the insides of the cooking chambers, and selectively ventilates one out of the cooking chambers. The heating apparatus for cooking includes a main body including a plurality of cooking chambers, which are separable from each other; a plurality of heaters for respectively heating the cooking chambers; and a ventilating device for ventilating the cooking chambers by introducing external air, wherein the ventilating device includes an air blowing unit for blowing the external air to the insides of the cooking chambers, and a flow change unit for selectively supplying air blown by the air blowing unit to the cooking chambers. In addition, methods to achieve the above are disclosed.

1 . A heating apparatus for cooking comprising: 
 a main body comprising a plurality of cooking chambers which are separable from each other;    a plurality of heaters for respectively heating the plurality of cooking chambers; and    a ventilating device for ventilating at least one of the plurality of cooking chambers by introducing external air,    wherein the ventilating device comprises an air blowing unit for blowing the external air to insides of the at least one of the plurality of cooking chambers, and a flow change unit for selectively supplying air blown by the air blowing unit to the at least one of the plurality of cooking chambers.    
   
   
       2 . The heating apparatus as set forth in  claim 1 , wherein the plurality of cooking chambers comprises a first cooking chamber and a second cooking chamber, and the plurality of heaters comprises a first heater for heating the first cooking chamber and a second heater for heating the second cooking chamber.  
   
   
       3 . The heating apparatus as set forth in  claim 2 , wherein the flow change unit comprises: 
 a housing having an inlet connected to an outlet of the air blowing unit, and a first outlet and a second outlet respectively connected to the first and the second cooking chambers;    an adjusting member rotatably installed in the housing for selectively opening one of the first and the second outlets; and    a flow control motor for rotating the adjusting member.    
   
   
       4 . The heating apparatus as set forth in  claim 3 , wherein: 
 the housing and the adjusting member have a cylindrical structure; and    the adjusting member comprises an inlet having a width larger than a rotating range of the adjusting member, and a third outlet having a width corresponding to the width of the first or the second outlet of the housing.    
   
   
       5 . The heating apparatus as set forth in  claim 4 , wherein the flow change unit further comprises a sensing unit for sensing a position of the third outlet of the adjusting member.  
   
   
       6 . The heating apparatus as set forth in  claim 5 , wherein the sensing unit comprises: 
 a plurality of sensing switches for respectively sensing whether or not the third outlet of the adjusting member coincides with the first outlet of the housing concides with the second outlet of the housing, or is located between the first and the second outlets of the housing; and    a sensing cam connected to a shaft of the flow control motor so that the sensing cam can selectively contact one of the plurality of sensing switches.    
   
   
       7 . The heating apparatus as set forth in  claim 3 , wherein the ventilating device comprises: 
 a first air supply guide member connecting the air blowing unit and the inlet of the housing;    a second air supply guide member connecting the first outlet of the housing and the first cooking chamber;    a third air supply guide member connecting the second outlet of the housing and the second cooking chamber; and    a first air exhaust guide member and a second air exhaust guide member for respectively exhausting air from the first and the second cooking chambers.    
   
   
       8 . The cooking chamber as set forth in  claim 2 , wherein the first and second cooking chambers are separated from each other by installing a detachable partition, or communicate with each other by eliminating the partition.  
   
   
       9 . A heating apparatus for cooking comprising: 
 a main body comprising a cooking chamber;    a heater for heating an inside of the cooking chamber;    a ventilating device for ventilating the cooking chamber; and    a control unit for controlling the ventilating device so that the ventilating device is operated when cooking of food is completed.    
   
   
       10 . The heating apparatus as set forth in  claim 9 , wherein the ventilating device comprises: 
 an air blowing unit for blowing external air to the inside of the cooking chamber;    an air supply guide member for guiding air blown by the air blowing unit; and    an air exhaust guide member for guiding air exhausted from the cooking chamber to the outside.    
   
   
       11 . A heating apparatus for cooking comprising: 
 a main body comprising a plurality of cooking chambers which are separable from each other;    a plurality of heaters for respectively heating the plurality of cooking chambers; and    a ventilating device for ventilating at least one of the plurality of cooking chambers by introducing external air,    wherein the ventilating device comprises an air blowing unit for blowing the external air to insides of the at least one of the plurality of cooking chambers, and a flow change unit formed integrally with the air blowing unit for selectively supplying air blown by the air blowing unit to the at least one of the plurality of cooking chambers.    
   
   
       12 . The heating apparatus as set forth in  claim 11 , wherein the air blowing unit comprises: 
 a housing comprising an inlet formed through a central portion thereof, and a plurality of outlets formed through separated positions of a circumference thereof;    an air blowing fan installed in the housing; and    an air blowing motor installed outside the housing for rotating the air blowing fan.    
   
   
       13 . The heating apparatus as set forth in  claim 12 , wherein the flow change unit comprises: 
 a cylindrical adjusting member rotatably installed in the housing, and comprising an outlet selectively communicating with one of the plurality of outlets of the housing; and    a flow control motor for rotating the adjusting member.    
   
   
       14 . The heating apparatus as set forth in  claim 13 , further comprising: 
 a connection shaft extended from a rotary center of the adjusting member to an outside of the housing, and provided with a through hole formed through the central portion thereof for passing a shaft of the air blowing motor; and    a plurality of gears installed outside the housing for transmitting a rotation of the flow control motor to the connection shaft.    
   
   
       15 . The heating apparatus as set forth in  claim 12 , further comprising: 
 a plurality of air supply guide members for respectively connecting the plurality of outlets of the housing and the plurality of cooking chambers; and    a plurality of air exhaust guide members for exhausting air from the plurality of cooking chambers.    
   
   
       16 . A method for cooking comprising: 
 receiving external air;    selectively supplying the external air to one of a plurality of air supply guides to generate guided air;    introducing the guided air into one of a plurality of cooking chambers, the one of the plurality of cooking chamber having heated air; and    cooling the heated air in the one of the plurality of cooking chambers.    
   
   
       17 . The method of  claim 16 , wherein the operation of selectively supplying the external air comprises: 
 communicating one of the plurality of air supply guides to the received external air if the one of the plurality of cooking chambers is to be cooled; and    alternatingly communicating two of the plurality of air supply guides to the received external air if two of the plurality of cooking chambers are to be cooled.