Heating cooking appliance

Abstract

A heating cooking appliance is provided. The heating cooking appliance includes a case, a plate covering a top of the case, a burner system generating heat by combusting mixture gas in the case, a control unit controlling operation of the burner system, and a temperature increase preventing unit preventing a temperature of the control unit from increasing by the heat generated from the burner system. The temperature increase preventing unit is installed on the case.

1 . A heating cooking appliance comprising:
 a case;   a plate covering a top of the case;   a burner system generating heat by combusting mixture gas in the case;   a control unit controlling operation of the burner system; and   a temperature increase preventing unit preventing a temperature of the control unit from increasing by the heat generated from the burner system, the temperature increase preventing unit being installed on the case.   
   
   
       2 . The heating cooking appliance according to  claim 1 , wherein the temperature increase preventing unit includes a barrier preventing the heat from being transferred from the burner system to the control unit. 
   
   
       3 . The heating cooking appliance according to  claim 2 , wherein the barrier includes:
 a first barrier rib for preventing the heat from being transferred from the burner system frontward;   a second barrier rib for preventing the heat from being transferred upward; and   a third barrier rib for preventing the heat from being transferred sideward.   
   
   
       4 . The heating cooking appliance according to  claim 2 , wherein the barrier rib is provided with a hole through which a gas supply pipe for supplying the gas to the burner system passes. 
   
   
       5 . The heating cooking appliance according to  claim 2 , wherein a seating portion for allowing the barrier to securely seating on the case is formed on a lower portion of the barrier. 
   
   
       6 . The heating cooking appliance according to  claim 2 , wherein the barrier divides an internal space of the case into a first space in which the burner system is disposed and a second space in which the control unit is disposed; and a fan for cooling the control unit is disposed in the second space. 
   
   
       7 . The heating cooking appliance according to  claim 6 , wherein the fan is operated in accordance with a detection result of a thermostat detecting a temperature of heat transferred from the burner system. 
   
   
       8 . The heating cooking appliance according to  claim 1 , wherein the temperature increase preventing unit includes a fan for cooling the control unit. 
   
   
       9 . The heating cooking appliance according to  claim 8 , wherein the fan is operated in accordance with a detection result of a thermostat detecting a temperature of heat transferred from the burner system. 
   
   
       10 . The heating cooking appliance according to  claim 1 , wherein the burner system includes a burner pot in which gas and air are mixed with each other;
 a glow plate disposed on the burner pot and heated by combustion heat of the mixture gas; and   a sub-heating unit disposed above the glow plate and further combusting the mixture gas that is not combusted.   
   
   
       11 . The heating cooking appliance according to  claim 10 , wherein the burner system includes a supporting member that supports the sub-heating unit such that the sub-heating unit is spaced apart from the glow plate. 
   
   
       12 . The heating cooking appliance according to  claim 11 , wherein the sub-heating unit is provided in the form of wires wound around the supporting member. 
   
   
       13 . The heating cooking appliance according to  claim 11 , wherein the sub-heating unit is formed in a coil shape and coupled to the supporting member with predetermined elastic force. 
   
   
       14 . A heating cooking appliance comprising:
 a case;   a plate disposed on the case;   at least one burner system provided in the case and generating heat by combusting mixture gas;   a control unit isolated from the burner system and controlling operation of the burner system; and   a fan disposed near the control unit and cooling the control unit.   
   
   
       15 . The heating cooking appliance according to  claim 14 , further comprising a thermostat detecting heat generated from the burner system, wherein the fan operates in accordance with a detecting result of the thermostat. 
   
   
       16 . The heating cooking appliance according to  claim 15 , further comprising a spark plug for igniting the mixture gas of the burner system; and
 a thermal detecting rod protruding into the burner system and extending out of the burner system,   wherein the thermostat detects a temperature transferred to the heat detecting rod.   
   
   
       17 . The heating cooking appliance according to  claim 16 , wherein the spark plug includes a pair of ignition rods and the thermal detecting rod is disposed between the ignition rods. 
   
   
       18 . The heating cooking appliance according to  claim 16 , wherein the spark plug includes a pair of ignition rods and the thermal detecting rod functions as one of the ignition rods. 
   
   
       19 . The heating cooking appliance according to  claim 16 , further comprising a grounding wire connected to the thermal detecting rod and a grounding member coupled to the case, the grounding wire being connected to the grounding member. 
   
   
       20 . The heating cooking appliance according to  claim 16 , wherein the thermal detecting rod is provided to each burner system and the thermal detecting rods are commonly grounded to the grounding member. 
   
   
       21 . The heating cooking appliance according to  claim 16 , wherein the thermostat is supported by a support coupled to an extending portion of the thermal detecting rod. 
   
   
       22 . A heating cooking appliance comprising:
 a case;   a plate disposed on the case;   at least one burner system provided in the case and generating heat by combusting mixture gas; and   a control unit isolated from the burner system and controlling operation of the burner system,   wherein the burner system comprises:   a burner pot providing a space in which gas and air are uniformly mixed with each other;   a first combustion unit for combusting mixture gas in the burner pot;   a second combustion unit for further combusting the mixture gas passing through the first combustion unit; and   a supporting member for supporting the second combustion unit at a location spaced apart from the first combustion unit by a predetermined distance.   
   
   
       23 . The heating cooking appliance according to  claim 22 , wherein a plurality of catching portions for supporting the second combustion unit are formed on the supporting member. 
   
   
       24 . The heating cooking appliance according to  claim 22 , wherein the second combustion unit is provided in the form of wires having a predetermined diameter. 
   
   
       25 . The heating cooking appliance according to  claim 22 , wherein the second combustion unit is formed in a coil shape.