KR20020056244A - Structure for preventing over-heating in gas radiation oven range - Google Patents

Abstract

PURPOSE: A structure for preventing over-heating in a gas radiation oven range is provided to prevent a ceramic glass from being heated caused by the convection heat and to fall down the exhaust temperature of the combustion gas. CONSTITUTION: A structure for preventing over-heating in a gas radiation oven range comprises a ceramic glass(20) connected to be sealed with an outer case(10) having an intake port(11) which air is flowed in through and an exhaust port(12) which a combustion gas is discharged through, a burner housing(30) connected to a lower surface of the ceramic glass to form an exhaust passage(F) communicated with the exhaust port together with the ceramic glass, a radiant burner(40) mounted to the burner housing to radiate the radiant wave, and an air inflow guide unit(K) formed at a side of the burner housing to make an outer air flowed in through the intake port to form an air film by flowing follow the bottom surface of the ceramic glass.

Description

Overheat prevention structure of gas radiation cooker {STRUCTURE FOR PREVENTING OVER-HEATING IN GAS RADIATION OVEN RANGE}

The present invention relates to an overheat prevention structure of a gas radiation cooker, and in particular, to prevent heating of the ceramic glass on which the food is placed by the convective heat generated in the process of radiating the radiation by heating the radiant while the mixed gas is burned. It also relates to an overheat prevention structure of the gas radiation cooker to lower the temperature of the combustion gas exhausted to the exhaust port.

The gas radiation cooker is a device that heats a radiator and cooks food by using radiation heat radiated from the radiated radiator.

1 and 2 illustrate an example of a conventional gas copy cooker. As shown in the drawing, the gas copy cooker has an outer case 10 and an outer case 10 formed to have a predetermined inner space with an upper side opened. The ceramic glass 20 which is coupled to the upper end of the ceramic glass 20 is placed in a predetermined shape, and is formed in a predetermined shape and coupled to be in contact with the lower surface of the ceramic glass 20 so that the exhaust passage F together with the lower surface of the ceramic glass 20. And a burner housing 30 coupled to the burner housing 30 to generate radiation while burning the mixed gas.

The outer case 10 is formed in a hexahedral shape with an upper side opened, and an air inlet 11 through which air is introduced is formed on the front side thereof, and an exhaust port 12 is provided on the rear side of the hexahedron.

The ceramic glass 20 is formed to have a predetermined area and a predetermined thickness and is formed of a material through which radiation waves generated from the radiation burner 40 are transmitted. The ceramic glass 20 is coupled to cover the upper end of the outer case 10.

The burner housing 30 has side plate portions 32 which are bent and extended vertically on both sides of the lower plate portion 31 which are formed to have a predetermined width and a predetermined length, respectively, and at one end of the lower plate portion 31. The connecting plate part 33 connecting the both side plate parts 32 is formed to be bent, and the connecting surface part 34 having a predetermined area horizontally is formed on the both side plate parts 32 and the connecting plate part 33, respectively, and is formed to be bent. And a mounting hole 35 formed through the plate portion 31.

The burner housing 30 has an engaging surface portion 34 such that its connecting plate portion 33 is located on the front surface of the outer case 10 and the oppositely opened portion is located on the exhaust port 12 side of the outer case 10. ) Is coupled to be in contact with the bottom surface of the ceramic glass 20, and the exhaust passage together with the bottom plate 31 and both side plate 32 and the connecting plate 33 and the bottom of the ceramic glass 20 of the burner housing. F) is formed.

The radiation burner 40 is fixedly coupled so that the burner head 41 in which the mixing chamber R is formed is located in the mounting hole 35 of the burner housing 30 and communicates with the mixing chamber R of the burner head. The mixed gas pipe 44 is coupled to the burner head 41, and the burner mat 42, which is a radiator radiating radiation by heating as the gas mixed in the mixing chamber R is ejected and combusted, is mixed in the burner head. It is fixedly coupled to the burner head 41 side to cover (R). An ignition and salt detecting means 43 for igniting the mixed gas ejected through the burner mat 42 and detecting the combustion state of the mixed gas is coupled to the side of the burner mat 42.

Reference numeral 45 is a fan motor and a fan motor for driving the blower fan.

The operation of the gas radiation cooker as described above is as follows.

First, when the cooking vessel 50 containing the food is placed on the ceramic glass 20 and the cooker is operated, air and gas are supplied through the mixed gas pipe 44 to the mixing chamber R of the burner head. Inlet and mixed. The mixed gas mixed in the mixing chamber R of the burner head is ejected through the burner mat 42 and is ignited and combusted by an ignition flame generated by the ignition and salt detecting means 43. As the mixed gas is ejected through the burner mat 42 and burned at the same time, the burner mat 42 is heated to radiate radiation from the burner mat 42, and the radiation emitted from the burner mat 42 The cooking vessel 50 is heated while passing through the ceramic glass 20 to cook the food contained in the cooking vessel 50. And the hot combustion gas which is burned while heating the burner mat 42 is exhausted through the exhaust port 12 while flowing along the exhaust passage (F) formed by the burner housing 30 and the ceramic glass 20. .

However, in the conventional structure as described above, as the mixed gas is burned in the radiation burner, convective heat is generated in the process of radiating the radiation wave by heating the burner mat, which is not only heating the ceramic glass but also burning it. By discharging the ceramic glass directly to the exhaust port through the exhaust passage along with the gas, the ceramic glass is heated to shorten the life of the ceramic glass, and the heating of the ceramic glass causes a safety accident for the user. There was a problem that the temperature is high, causing the risk of fire and deformation of parts.

The object of the present invention devised in view of the above problems is to prevent the ceramic glass on which the food is placed by the convective heat generated by the radiant burner that radiates the radiant wave by heating the radiant while the mixed gas is burned. In addition, to provide an overheat prevention structure of the gas radiation cooker to lower the exhaust temperature of the combustion gas.

1 is a perspective view showing a partial gas radiation cooker according to the prior art,

2 is a front sectional view showing the gas radiation cooker;

3 and 4 is a perspective view and a cross-sectional view showing a partial cross-sectional view of the gas radiation cooker equipped with a gas radiation cooker overheat prevention structure of the present invention;

5 is a cross-sectional view showing an operating state of the gas radiation cooker overheating prevention structure of the present invention;

(Explanation of symbols for the main parts of the drawing)

10; Outer case 11; Air intake

12; Exhaust port 20; Ceramic glass

30; Burner housing 40; Copy Burner

60; Flow inlet 61; Flow guide

70; Auxiliary blower fan F; Exhaust passage

K; Air inflow flow guide means

In order to achieve the object of the present invention as described above, the ceramic glass on which the food is placed on the top of the outer case having an air inlet for inflow of air and an exhaust port for exhausting the combustion gas, and a lower surface of the ceramic glass A burner housing comprising a burner housing coupled to contact with the ceramic glass to form an exhaust passage communicating with the exhaust port, and a radiation burner mounted on the burner housing to radiate radiation waves. Gas induction cooker is provided on one side of the burner housing constituting the air inlet flow guide means to form an air film while flowing along the lower surface of the ceramic glass constituting the exhaust passage on one side of the burner housing Overheating prevention structure is provided.

Hereinafter, the gas radiation cooker overheat prevention structure of the present invention will be described according to the embodiment shown in the accompanying drawings.

3 and 4 illustrate a gas radiation cooker equipped with an example of the gas radiation cooker overheat prevention structure of the present invention. As shown in the drawing, first, the gas radiation cooker has an outer space formed to have a predetermined inner space with an upper side opened. The burner housing which is coupled to the ceramic glass 20 on which the food is placed on the upper end of the case 10 and forms an exhaust passage F on the lower surface of the ceramic glass 20 together with the lower surface of the ceramic glass 20. 30 is coupled to the burner housing is coupled to the radiation burner 40 for generating a radiation wave while burning the mixed gas 30.

The outer case 10 is formed in a hexahedral shape with an upper side opened, and an air inlet 11 through which air is introduced is formed on the front side thereof, and the burner housing 30 and the ceramic glass 20 are formed on the rear side of the hexahedron. An exhaust port 12 is provided to communicate with the exhaust passage F formed. The air inlet 11 is formed to be located below the burner housing 30, and the exhaust port 12 is formed to be located above the burner housing 30.

The ceramic glass 20 is formed to have a predetermined area and a predetermined thickness and is formed of a material through which radiation waves generated from the radiation burner 40 are transmitted.

The burner housing 30 has side plate portions 32 which are bent and extended vertically on both sides of the lower plate portion 31 which are formed to have a predetermined width and a predetermined length, respectively, and at one end of the lower plate portion 31. The connecting plate part 33 connecting the both side plate parts 32 is formed to be bent and extended, and the coupling surface part 34 contacting the lower surface of the ceramic glass 20 on the both side plate parts 32 and the connecting plate part 33 has a predetermined area. It is formed to be bent extending to have a mounting hole 35 in which the radiation burner 40 is mounted on the bottom plate 31.

The burner housing 30 has a coupling surface portion 34 such that its connecting plate portion 33 is located on the front surface of the outer case 10 and the opened portion opposite thereto is positioned on the exhaust port 12 side of the outer case. The exhaust passage F is combined with the lower surface of the ceramic glass 20 to be in contact with the lower plate 31 and the both side plate 32 of the burner housing and the connecting plate 33 and the lower surface of the ceramic glass 20. To form.

In addition, the air inflow flows such that external air flowing into the air inlet 11 of the burner housing 31 flows along the bottom surface of the ceramic glass 20 forming the exhaust passage F to form an air film. Guide means (G) is provided.

The air inflow flow guide means (G) is formed to extend through the flow inlet 60 formed in the lower plate portion 31 of the burner housing constituting the exhaust passage (F) and the edge of the flow inlet (60) It consists of a flow guide 61 to guide the flow direction of air flowing into the inlet 60 to the lower surface of the ceramic glass 20. The flow inlet 60 is preferably formed so as to have a predetermined width and length in the horizontal direction of the exhaust passage (F). The flow guide 61 is a predetermined distance from the first guide 62 and the first guide 62 formed to have a predetermined area inclined toward the exhaust port 12 over the inner and outer sides of the lower plate portion 31. It is preferably made of a second guide 63 is formed in parallel.

And the side of the air inlet flow guide means (K) is provided with an auxiliary blowing fan (70) for generating a flow of air to facilitate the inflow of air to the air inflow flow guide means (K).

The radiation burner 40 is fixedly coupled so that the burner head 41 in which the mixing chamber R is formed is located in the mounting hole 35 of the burner housing 30 and communicates with the mixing chamber R of the burner head. The mixed gas pipe 44 is coupled to the burner head 41, and the burner mat 42, which is a radiator radiating radiation by heating as the gas mixed in the mixing chamber R is ejected and combusted, is mixed in the burner head. It is fixedly coupled to the burner head 41 side to cover (R). An ignition and salt detecting means 43 for igniting the mixed gas ejected through the burner mat 42 and detecting the combustion state of the mixed gas is coupled to the side of the burner mat 42.

Reference numeral 45 denotes a blowing fan and a fan motor for driving the blowing fan, and 64 is an auxiliary guide.

Hereinafter, the operational effects of the gas radiation cooker overheat prevention structure of the present invention will be described.

First, when the cooking container 50 containing the food is placed on the ceramic glass 20 and the cooker is operated, the outside air is sucked through the air inlet 11 by the rotation of the blower fan 45. Separately supplied gas is introduced into the mixing chamber R of the burner head through the mixed gas pipe 44 and mixed, and the mixed gas is ejected through the burner mat 42 and at the same time, the ignition and salt detecting means ( It is ignited and burned by the ignition spark generated in 43). As the mixed gas is ejected through the burner mat 42 and burned at the same time, the burner mat 42 is heated to radiate radiation from the burner mat 42, and the radiation emitted from the burner mat 42 The cooking vessel 50 is heated while passing through the ceramic glass 20 to cook the food contained in the cooking vessel 50.

And combustion gas and convective heat generated while the mixed gas is burned is exhausted through the exhaust port 12 while flowing along the exhaust passage (F) formed by the ceramic glass 20 and the burner housing 30, At the same time a portion of the external cold air sucked into the air inlet 11 is introduced into the exhaust passage (F) through the air inlet flow guide means (K), that is, the flow inlet 60 and the flow guide 61 It flows along the lower surface of the ceramic glass 20 and is mixed with the combustion gas and convective heat and exhausted through the exhaust port 12. As the external cold air flows along the lower surface of the ceramic glass 20, as shown in FIG. 5, a cold air film is formed on the lower surface of the ceramic glass 20. 20 is not only prevented from being heated, but also lowers the temperature of the combustion gas exhausted to the exhaust port 12.

On the other hand, when the auxiliary blowing fan 70 is installed on the side of the air inflow flow guide means (K) due to the rotation of the auxiliary blow fan 70 through the air inflow flow guide means (K) The flow rate of the inlet flows faster to prevent the ceramic glass 20 from being heated by convection heat more effectively, and to lower the temperature of the combustion gas exhausted to the exhaust port 12.

As described above, the overheat protection structure of the gas radiation cooker according to the present invention not only prevents the ceramic glass on which the food is placed from being heated by the convective heat generated while the radiation burner radiates the radiation wave, and exhausts the exhaust gas through the exhaust port. By lowering the temperature of the combustion gas, it is possible to prevent deformation of components and prevent safety accidents, and to extend the life of ceramic glass.

Claims (3)

The ceramic glass on which the food is placed is coupled to the top of the outer case provided with an air inlet port through which air is introduced and an exhaust port through which the combustion gas is discharged, and is coupled to contact the lower surface of the ceramic glass, and the exhaust port together with the ceramic glass. A gas radiation cooker comprising a burner housing forming an exhaust passage communicating with the gas, and a radiation burner mounted on the burner housing for radiating radiation, wherein the air inlet is formed at one side of the burner housing forming the exhaust passage. And an air inflow flow guiding means for forming an air film while the incoming outside air flows along the bottom surface of the ceramic glass constituting the exhaust passage. 2. The overheating of the gas radiation cooker according to claim 1, wherein an auxiliary blower fan is installed at a side of the air inflow flow guide means to generate a flow of air to smoothly introduce external air into the air inflow flow guide means. Resistant structure. According to claim 1 or 2, The air inflow flow guide means is formed through the flow inlet formed on one side of the burner housing constituting the exhaust passage and the edge of the flow inlet of the air flowing into the flow inlet The overheat prevention structure of the gas radiation cooker characterized by consisting of a flow guide for inducing the flow direction to the lower surface of the ceramic glass.